[v2 PATCH 3/4] comctl32: Introduce Edit control
Nikolay Sivov
nsivov at codeweavers.com
Thu Feb 1 01:09:05 CST 2018
Signed-off-by: Nikolay Sivov <nsivov at codeweavers.com>
---
dlls/comctl32/Makefile.in | 3 +-
dlls/comctl32/comctl32.h | 1 +
dlls/comctl32/commctrl.c | 18 +
dlls/comctl32/edit.c | 5075 ++++++++++++++++++++++++++++++++++++++++++++
dlls/comctl32/tests/edit.c | 7 -
dlls/user32/class.c | 1 -
6 files changed, 5096 insertions(+), 9 deletions(-)
create mode 100644 dlls/comctl32/edit.c
diff --git a/dlls/comctl32/Makefile.in b/dlls/comctl32/Makefile.in
index e6ca764c44..438da91ca0 100644
--- a/dlls/comctl32/Makefile.in
+++ b/dlls/comctl32/Makefile.in
@@ -1,7 +1,7 @@
EXTRADEFS = -D_COMCTL32_
MODULE = comctl32.dll
IMPORTLIB = comctl32
-IMPORTS = uuid user32 gdi32 advapi32
+IMPORTS = uuid user32 gdi32 advapi32 usp10 imm32
DELAYIMPORTS = winmm uxtheme
C_SRCS = \
@@ -13,6 +13,7 @@ C_SRCS = \
dpa.c \
draglist.c \
dsa.c \
+ edit.c \
flatsb.c \
header.c \
hotkey.c \
diff --git a/dlls/comctl32/comctl32.h b/dlls/comctl32/comctl32.h
index aa527d7ab8..cb66ad420d 100644
--- a/dlls/comctl32/comctl32.h
+++ b/dlls/comctl32/comctl32.h
@@ -179,6 +179,7 @@ extern void COMBOEX_Register(void) DECLSPEC_HIDDEN;
extern void COMBOEX_Unregister(void) DECLSPEC_HIDDEN;
extern void DATETIME_Register(void) DECLSPEC_HIDDEN;
extern void DATETIME_Unregister(void) DECLSPEC_HIDDEN;
+extern void EDIT_Register(void) DECLSPEC_HIDDEN;
extern void FLATSB_Register(void) DECLSPEC_HIDDEN;
extern void FLATSB_Unregister(void) DECLSPEC_HIDDEN;
extern void HEADER_Register(void) DECLSPEC_HIDDEN;
diff --git a/dlls/comctl32/commctrl.c b/dlls/comctl32/commctrl.c
index d3ba314c47..3bf4649112 100644
--- a/dlls/comctl32/commctrl.c
+++ b/dlls/comctl32/commctrl.c
@@ -93,6 +93,20 @@ static const WCHAR strCC32SubclassInfo[] = {
'C','C','3','2','S','u','b','c','l','a','s','s','I','n','f','o',0
};
+static void unregister_versioned_classes(void)
+{
+#define VERSION "6.0.2600.2982!"
+ static const char *classes[] =
+ {
+ VERSION WC_EDITA,
+ };
+ int i;
+
+ for (i = 0; i < sizeof(classes)/sizeof(classes[0]); i++)
+ UnregisterClassA(classes[i], NULL);
+
+#undef VERSION
+}
/***********************************************************************
* DllMain [Internal]
@@ -153,6 +167,8 @@ BOOL WINAPI DllMain(HINSTANCE hinstDLL, DWORD fdwReason, LPVOID lpvReserved)
TREEVIEW_Register ();
UPDOWN_Register ();
+ EDIT_Register ();
+
/* subclass user32 controls */
THEMING_Initialize ();
break;
@@ -185,6 +201,8 @@ BOOL WINAPI DllMain(HINSTANCE hinstDLL, DWORD fdwReason, LPVOID lpvReserved)
TREEVIEW_Unregister ();
UPDOWN_Unregister ();
+ unregister_versioned_classes ();
+
/* delete local pattern brush */
DeleteObject (COMCTL32_hPattern55AABrush);
DeleteObject (COMCTL32_hPattern55AABitmap);
diff --git a/dlls/comctl32/edit.c b/dlls/comctl32/edit.c
new file mode 100644
index 0000000000..6801832e78
--- /dev/null
+++ b/dlls/comctl32/edit.c
@@ -0,0 +1,5075 @@
+/*
+ * Edit control
+ *
+ * Copyright David W. Metcalfe, 1994
+ * Copyright William Magro, 1995, 1996
+ * Copyright Frans van Dorsselaer, 1996, 1997
+ *
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
+ *
+ * NOTES
+ *
+ * This code was audited for completeness against the documented features
+ * of Comctl32.dll version 6.0 on Oct. 8, 2004, by Dimitrie O. Paun.
+ *
+ * Unless otherwise noted, we believe this code to be complete, as per
+ * the specification mentioned above.
+ * If you discover missing features, or bugs, please note them below.
+ *
+ * TODO:
+ * - EDITBALLOONTIP structure
+ * - EM_GETCUEBANNER/Edit_GetCueBannerText
+ * - EM_HIDEBALLOONTIP/Edit_HideBalloonTip
+ * - EM_SETCUEBANNER/Edit_SetCueBannerText
+ * - EM_SHOWBALLOONTIP/Edit_ShowBalloonTip
+ * - EM_GETIMESTATUS, EM_SETIMESTATUS
+ * - EN_ALIGN_LTR_EC
+ * - EN_ALIGN_RTL_EC
+ * - ES_OEMCONVERT
+ *
+ */
+
+#include "config.h"
+
+#include <stdarg.h>
+#include <string.h>
+#include <stdlib.h>
+
+#include "windef.h"
+#include "winbase.h"
+#include "winnt.h"
+#include "imm.h"
+#include "usp10.h"
+#include "commctrl.h"
+#include "wine/unicode.h"
+#include "wine/debug.h"
+
+WINE_DEFAULT_DEBUG_CHANNEL(edit);
+
+#define BUFLIMIT_INITIAL 30000 /* initial buffer size */
+#define GROWLENGTH 32 /* buffers granularity in bytes: must be power of 2 */
+#define ROUND_TO_GROW(size) (((size) + (GROWLENGTH - 1)) & ~(GROWLENGTH - 1))
+#define HSCROLL_FRACTION 3 /* scroll window by 1/3 width */
+
+/*
+ * extra flags for EDITSTATE.flags field
+ */
+#define EF_MODIFIED 0x0001 /* text has been modified */
+#define EF_FOCUSED 0x0002 /* we have input focus */
+#define EF_UPDATE 0x0004 /* notify parent of changed state */
+#define EF_VSCROLL_TRACK 0x0008 /* don't SetScrollPos() since we are tracking the thumb */
+#define EF_HSCROLL_TRACK 0x0010 /* don't SetScrollPos() since we are tracking the thumb */
+#define EF_AFTER_WRAP 0x0080 /* the caret is displayed after the last character of a
+ wrapped line, instead of in front of the next character */
+#define EF_USE_SOFTBRK 0x0100 /* Enable soft breaks in text. */
+#define EF_DIALOGMODE 0x0200 /* Indicates that we are inside a dialog window */
+
+#define ID_CB_LISTBOX 1000
+
+typedef enum
+{
+ END_0 = 0, /* line ends with terminating '\0' character */
+ END_WRAP, /* line is wrapped */
+ END_HARD, /* line ends with a hard return '\r\n' */
+ END_SOFT, /* line ends with a soft return '\r\r\n' */
+ END_RICH /* line ends with a single '\n' */
+} LINE_END;
+
+typedef struct tagLINEDEF {
+ INT length; /* bruto length of a line in bytes */
+ INT net_length; /* netto length of a line in visible characters */
+ LINE_END ending;
+ INT width; /* width of the line in pixels */
+ INT index; /* line index into the buffer */
+ SCRIPT_STRING_ANALYSIS ssa; /* Uniscribe Data */
+ struct tagLINEDEF *next;
+} LINEDEF;
+
+typedef struct
+{
+ BOOL is_unicode; /* how the control was created */
+ LPWSTR text; /* the actual contents of the control */
+ UINT text_length; /* cached length of text buffer (in WCHARs) - use get_text_length() to retrieve */
+ UINT buffer_size; /* the size of the buffer in characters */
+ UINT buffer_limit; /* the maximum size to which the buffer may grow in characters */
+ HFONT font; /* NULL means standard system font */
+ INT x_offset; /* scroll offset for multi lines this is in pixels
+ for single lines it's in characters */
+ INT line_height; /* height of a screen line in pixels */
+ INT char_width; /* average character width in pixels */
+ DWORD style; /* sane version of wnd->dwStyle */
+ WORD flags; /* flags that are not in es->style or wnd->flags (EF_XXX) */
+ INT undo_insert_count; /* number of characters inserted in sequence */
+ UINT undo_position; /* character index of the insertion and deletion */
+ LPWSTR undo_text; /* deleted text */
+ UINT undo_buffer_size; /* size of the deleted text buffer */
+ INT selection_start; /* == selection_end if no selection */
+ INT selection_end; /* == current caret position */
+ WCHAR password_char; /* == 0 if no password char, and for multi line controls */
+ INT left_margin; /* in pixels */
+ INT right_margin; /* in pixels */
+ RECT format_rect;
+ INT text_width; /* width of the widest line in pixels for multi line controls
+ and just line width for single line controls */
+ INT region_posx; /* Position of cursor relative to region: */
+ INT region_posy; /* -1: to left, 0: within, 1: to right */
+ void *word_break_proc; /* 32-bit word break proc: ANSI or Unicode */
+ INT line_count; /* number of lines */
+ INT y_offset; /* scroll offset in number of lines */
+ BOOL bCaptureState; /* flag indicating whether mouse was captured */
+ BOOL bEnableState; /* flag keeping the enable state */
+ HWND hwndSelf; /* the our window handle */
+ HWND hwndParent; /* Handle of parent for sending EN_* messages.
+ Even if parent will change, EN_* messages
+ should be sent to the first parent. */
+ HWND hwndListBox; /* handle of ComboBox's listbox or NULL */
+ INT wheelDeltaRemainder; /* scroll wheel delta left over after scrolling whole lines */
+ /*
+ * only for multi line controls
+ */
+ INT lock_count; /* amount of re-entries in the EditWndProc */
+ INT tabs_count;
+ LPINT tabs;
+ LINEDEF *first_line_def; /* linked list of (soft) linebreaks */
+ HLOCAL hloc32W; /* our unicode local memory block */
+ HLOCAL hloc32A; /* alias for ANSI control receiving EM_GETHANDLE
+ or EM_SETHANDLE */
+ HLOCAL hlocapp; /* The text buffer handle belongs to the app */
+ /*
+ * IME Data
+ */
+ UINT composition_len; /* length of composition, 0 == no composition */
+ int composition_start; /* the character position for the composition */
+ /*
+ * Uniscribe Data
+ */
+ SCRIPT_LOGATTR *logAttr;
+ SCRIPT_STRING_ANALYSIS ssa; /* Uniscribe Data for single line controls */
+} EDITSTATE;
+
+
+#define SWAP_UINT32(x,y) do { UINT temp = (UINT)(x); (x) = (UINT)(y); (y) = temp; } while(0)
+#define ORDER_UINT(x,y) do { if ((UINT)(y) < (UINT)(x)) SWAP_UINT32((x),(y)); } while(0)
+
+/* used for disabled or read-only edit control */
+#define EDIT_NOTIFY_PARENT(es, wNotifyCode) \
+ do \
+ { /* Notify parent which has created this edit control */ \
+ TRACE("notification " #wNotifyCode " sent to hwnd=%p\n", es->hwndParent); \
+ SendMessageW(es->hwndParent, WM_COMMAND, \
+ MAKEWPARAM(GetWindowLongPtrW((es->hwndSelf),GWLP_ID), wNotifyCode), \
+ (LPARAM)(es->hwndSelf)); \
+ } while(0)
+
+static LRESULT EDIT_EM_PosFromChar(EDITSTATE *es, INT index, BOOL after_wrap);
+
+/*********************************************************************
+ *
+ * EM_CANUNDO
+ *
+ */
+static inline BOOL EDIT_EM_CanUndo(const EDITSTATE *es)
+{
+ return (es->undo_insert_count || strlenW(es->undo_text));
+}
+
+
+/*********************************************************************
+ *
+ * EM_EMPTYUNDOBUFFER
+ *
+ */
+static inline void EDIT_EM_EmptyUndoBuffer(EDITSTATE *es)
+{
+ es->undo_insert_count = 0;
+ *es->undo_text = '\0';
+}
+
+static HBRUSH EDIT_NotifyCtlColor(EDITSTATE *es, HDC hdc)
+{
+ HBRUSH hbrush;
+ UINT msg;
+
+ if ((!es->bEnableState || (es->style & ES_READONLY)))
+ msg = WM_CTLCOLORSTATIC;
+ else
+ msg = WM_CTLCOLOREDIT;
+
+ /* Why do we notify to es->hwndParent, and we send this one to GetParent()? */
+ hbrush = (HBRUSH)SendMessageW(GetParent(es->hwndSelf), msg, (WPARAM)hdc, (LPARAM)es->hwndSelf);
+ if (!hbrush)
+ hbrush = (HBRUSH)DefWindowProcW(GetParent(es->hwndSelf), msg, (WPARAM)hdc, (LPARAM)es->hwndSelf);
+ return hbrush;
+}
+
+
+static inline UINT get_text_length(EDITSTATE *es)
+{
+ if(es->text_length == (UINT)-1)
+ es->text_length = strlenW(es->text);
+ return es->text_length;
+}
+
+
+/*********************************************************************
+ *
+ * EDIT_WordBreakProc
+ *
+ * Find the beginning of words.
+ * Note: unlike the specs for a WordBreakProc, this function can
+ * only be called without linebreaks between s[0] up to
+ * s[count - 1]. Remember it is only called
+ * internally, so we can decide this for ourselves.
+ * Additionally we will always be breaking the full string.
+ *
+ */
+static INT EDIT_WordBreakProc(EDITSTATE *es, LPWSTR s, INT index, INT count, INT action)
+{
+ INT ret = 0;
+
+ TRACE("s=%p, index=%d, count=%d, action=%d\n", s, index, count, action);
+
+ if(!s) return 0;
+
+ if (!es->logAttr)
+ {
+ SCRIPT_ANALYSIS psa;
+
+ memset(&psa,0,sizeof(SCRIPT_ANALYSIS));
+ psa.eScript = SCRIPT_UNDEFINED;
+
+ es->logAttr = HeapAlloc(GetProcessHeap(), 0, sizeof(SCRIPT_LOGATTR) * get_text_length(es));
+ ScriptBreak(es->text, get_text_length(es), &psa, es->logAttr);
+ }
+
+ switch (action) {
+ case WB_LEFT:
+ if (index)
+ index--;
+ while (index && !es->logAttr[index].fSoftBreak)
+ index--;
+ ret = index;
+ break;
+ case WB_RIGHT:
+ if (!count)
+ break;
+ while (index < count && s[index] && !es->logAttr[index].fSoftBreak)
+ index++;
+ ret = index;
+ break;
+ case WB_ISDELIMITER:
+ ret = es->logAttr[index].fWhiteSpace;
+ break;
+ default:
+ ERR("unknown action code, please report !\n");
+ break;
+ }
+ return ret;
+}
+
+
+/*********************************************************************
+ *
+ * EDIT_CallWordBreakProc
+ *
+ * Call appropriate WordBreakProc (internal or external).
+ *
+ * Note: The "start" argument should always be an index referring
+ * to es->text. The actual wordbreak proc might be
+ * 16 bit, so we can't always pass any 32 bit LPSTR.
+ * Hence we assume that es->text is the buffer that holds
+ * the string under examination (we can decide this for ourselves).
+ *
+ */
+static INT EDIT_CallWordBreakProc(EDITSTATE *es, INT start, INT index, INT count, INT action)
+{
+ INT ret;
+
+ if (es->word_break_proc)
+ {
+ if(es->is_unicode)
+ {
+ EDITWORDBREAKPROCW wbpW = (EDITWORDBREAKPROCW)es->word_break_proc;
+ ret = wbpW(es->text + start, index, count, action);
+ }
+ else
+ {
+ EDITWORDBREAKPROCA wbpA = (EDITWORDBREAKPROCA)es->word_break_proc;
+ INT countA;
+ CHAR *textA;
+
+ countA = WideCharToMultiByte(CP_ACP, 0, es->text + start, count, NULL, 0, NULL, NULL);
+ textA = HeapAlloc(GetProcessHeap(), 0, countA);
+ WideCharToMultiByte(CP_ACP, 0, es->text + start, count, textA, countA, NULL, NULL);
+ ret = wbpA(textA, index, countA, action);
+ HeapFree(GetProcessHeap(), 0, textA);
+ }
+ }
+ else
+ ret = EDIT_WordBreakProc(es, es->text, index+start, count+start, action) - start;
+
+ return ret;
+}
+
+static inline void EDIT_InvalidateUniscribeData_linedef(LINEDEF *line_def)
+{
+ if (line_def->ssa)
+ {
+ ScriptStringFree(&line_def->ssa);
+ line_def->ssa = NULL;
+ }
+}
+
+static inline void EDIT_InvalidateUniscribeData(EDITSTATE *es)
+{
+ LINEDEF *line_def = es->first_line_def;
+ while (line_def)
+ {
+ EDIT_InvalidateUniscribeData_linedef(line_def);
+ line_def = line_def->next;
+ }
+ if (es->ssa)
+ {
+ ScriptStringFree(&es->ssa);
+ es->ssa = NULL;
+ }
+}
+
+static SCRIPT_STRING_ANALYSIS EDIT_UpdateUniscribeData_linedef(EDITSTATE *es, HDC dc, LINEDEF *line_def)
+{
+ if (!line_def)
+ return NULL;
+
+ if (line_def->net_length && !line_def->ssa)
+ {
+ int index = line_def->index;
+ HFONT old_font = NULL;
+ HDC udc = dc;
+ SCRIPT_TABDEF tabdef;
+ HRESULT hr;
+
+ if (!udc)
+ udc = GetDC(es->hwndSelf);
+ if (es->font)
+ old_font = SelectObject(udc, es->font);
+
+ tabdef.cTabStops = es->tabs_count;
+ tabdef.iScale = GdiGetCharDimensions(udc, NULL, NULL);
+ tabdef.pTabStops = es->tabs;
+ tabdef.iTabOrigin = 0;
+
+ hr = ScriptStringAnalyse(udc, &es->text[index], line_def->net_length,
+ (1.5*line_def->net_length+16), -1,
+ SSA_LINK|SSA_FALLBACK|SSA_GLYPHS|SSA_TAB, -1,
+ NULL, NULL, NULL, &tabdef, NULL, &line_def->ssa);
+ if (FAILED(hr))
+ {
+ WARN("ScriptStringAnalyse failed (%x)\n",hr);
+ line_def->ssa = NULL;
+ }
+
+ if (es->font)
+ SelectObject(udc, old_font);
+ if (udc != dc)
+ ReleaseDC(es->hwndSelf, udc);
+ }
+
+ return line_def->ssa;
+}
+
+static SCRIPT_STRING_ANALYSIS EDIT_UpdateUniscribeData(EDITSTATE *es, HDC dc, INT line)
+{
+ LINEDEF *line_def;
+
+ if (!(es->style & ES_MULTILINE))
+ {
+ if (!es->ssa)
+ {
+ INT length = get_text_length(es);
+ HFONT old_font = NULL;
+ HDC udc = dc;
+
+ if (!udc)
+ udc = GetDC(es->hwndSelf);
+ if (es->font)
+ old_font = SelectObject(udc, es->font);
+
+ if (es->style & ES_PASSWORD)
+ ScriptStringAnalyse(udc, &es->password_char, length, (1.5*length+16), -1, SSA_LINK|SSA_FALLBACK|SSA_GLYPHS|SSA_PASSWORD, -1, NULL, NULL, NULL, NULL, NULL, &es->ssa);
+ else
+ ScriptStringAnalyse(udc, es->text, length, (1.5*length+16), -1, SSA_LINK|SSA_FALLBACK|SSA_GLYPHS, -1, NULL, NULL, NULL, NULL, NULL, &es->ssa);
+
+ if (es->font)
+ SelectObject(udc, old_font);
+ if (udc != dc)
+ ReleaseDC(es->hwndSelf, udc);
+ }
+ return es->ssa;
+ }
+ else
+ {
+ line_def = es->first_line_def;
+ while (line_def && line)
+ {
+ line_def = line_def->next;
+ line--;
+ }
+
+ return EDIT_UpdateUniscribeData_linedef(es,dc,line_def);
+ }
+}
+
+static inline INT get_vertical_line_count(EDITSTATE *es)
+{
+ INT vlc = (es->format_rect.bottom - es->format_rect.top) / es->line_height;
+ return max(1,vlc);
+}
+
+/*********************************************************************
+ *
+ * EDIT_BuildLineDefs_ML
+ *
+ * Build linked list of text lines.
+ * Lines can end with '\0' (last line), a character (if it is wrapped),
+ * a soft return '\r\r\n' or a hard return '\r\n'
+ *
+ */
+static void EDIT_BuildLineDefs_ML(EDITSTATE *es, INT istart, INT iend, INT delta, HRGN hrgn)
+{
+ LPWSTR current_position, cp;
+ INT fw;
+ LINEDEF *current_line;
+ LINEDEF *previous_line;
+ LINEDEF *start_line;
+ INT line_index = 0, nstart_line, nstart_index;
+ INT line_count = es->line_count;
+ INT orig_net_length;
+ RECT rc;
+ INT vlc;
+
+ if (istart == iend && delta == 0)
+ return;
+
+ previous_line = NULL;
+ current_line = es->first_line_def;
+
+ /* Find starting line. istart must lie inside an existing line or
+ * at the end of buffer */
+ do {
+ if (istart < current_line->index + current_line->length ||
+ current_line->ending == END_0)
+ break;
+
+ previous_line = current_line;
+ current_line = current_line->next;
+ line_index++;
+ } while (current_line);
+
+ if (!current_line) /* Error occurred start is not inside previous buffer */
+ {
+ FIXME(" modification occurred outside buffer\n");
+ return;
+ }
+
+ /* Remember start of modifications in order to calculate update region */
+ nstart_line = line_index;
+ nstart_index = current_line->index;
+
+ /* We must start to reformat from the previous line since the modifications
+ * may have caused the line to wrap upwards. */
+ if (!(es->style & ES_AUTOHSCROLL) && line_index > 0)
+ {
+ line_index--;
+ current_line = previous_line;
+ }
+ start_line = current_line;
+
+ fw = es->format_rect.right - es->format_rect.left;
+ current_position = es->text + current_line->index;
+ vlc = get_vertical_line_count(es);
+ do {
+ if (current_line != start_line)
+ {
+ if (!current_line || current_line->index + delta > current_position - es->text)
+ {
+ /* The buffer has been expanded, create a new line and
+ insert it into the link list */
+ LINEDEF *new_line = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(LINEDEF));
+ new_line->next = previous_line->next;
+ previous_line->next = new_line;
+ current_line = new_line;
+ es->line_count++;
+ }
+ else if (current_line->index + delta < current_position - es->text)
+ {
+ /* The previous line merged with this line so we delete this extra entry */
+ previous_line->next = current_line->next;
+ HeapFree(GetProcessHeap(), 0, current_line);
+ current_line = previous_line->next;
+ es->line_count--;
+ continue;
+ }
+ else /* current_line->index + delta == current_position */
+ {
+ if (current_position - es->text > iend)
+ break; /* We reached end of line modifications */
+ /* else recalculate this line */
+ }
+ }
+
+ current_line->index = current_position - es->text;
+ orig_net_length = current_line->net_length;
+
+ /* Find end of line */
+ cp = current_position;
+ while (*cp) {
+ if (*cp == '\n') break;
+ if ((*cp == '\r') && (*(cp + 1) == '\n'))
+ break;
+ cp++;
+ }
+
+ /* Mark type of line termination */
+ if (!(*cp)) {
+ current_line->ending = END_0;
+ current_line->net_length = strlenW(current_position);
+ } else if ((cp > current_position) && (*(cp - 1) == '\r')) {
+ current_line->ending = END_SOFT;
+ current_line->net_length = cp - current_position - 1;
+ } else if (*cp == '\n') {
+ current_line->ending = END_RICH;
+ current_line->net_length = cp - current_position;
+ } else {
+ current_line->ending = END_HARD;
+ current_line->net_length = cp - current_position;
+ }
+
+ if (current_line->net_length)
+ {
+ const SIZE *sz;
+ EDIT_InvalidateUniscribeData_linedef(current_line);
+ EDIT_UpdateUniscribeData_linedef(es, NULL, current_line);
+ if (current_line->ssa)
+ {
+ sz = ScriptString_pSize(current_line->ssa);
+ /* Calculate line width */
+ current_line->width = sz->cx;
+ }
+ else current_line->width = es->char_width * current_line->net_length;
+ }
+ else current_line->width = 0;
+
+ /* FIXME: check here for lines that are too wide even in AUTOHSCROLL (> 32767 ???) */
+
+/* Line breaks just look back from the end and find the next break and try that. */
+
+ if (!(es->style & ES_AUTOHSCROLL)) {
+ if (current_line->width > fw && fw > es->char_width) {
+
+ INT prev, next;
+ int w;
+ const SIZE *sz;
+ float d;
+
+ prev = current_line->net_length - 1;
+ w = current_line->net_length;
+ d = (float)current_line->width/(float)fw;
+ if (d > 1.2f) d -= 0.2f;
+ next = prev/d;
+ if (next >= prev) next = prev-1;
+ do {
+ prev = EDIT_CallWordBreakProc(es, current_position - es->text,
+ next, current_line->net_length, WB_LEFT);
+ current_line->net_length = prev;
+ EDIT_InvalidateUniscribeData_linedef(current_line);
+ EDIT_UpdateUniscribeData_linedef(es, NULL, current_line);
+ if (current_line->ssa)
+ sz = ScriptString_pSize(current_line->ssa);
+ else sz = 0;
+ if (sz)
+ current_line->width = sz->cx;
+ else
+ prev = 0;
+ next = prev - 1;
+ } while (prev && current_line->width > fw);
+ current_line->net_length = w;
+
+ if (prev == 0) { /* Didn't find a line break so force a break */
+ INT *piDx;
+ const INT *count;
+
+ EDIT_InvalidateUniscribeData_linedef(current_line);
+ EDIT_UpdateUniscribeData_linedef(es, NULL, current_line);
+
+ if (current_line->ssa)
+ {
+ count = ScriptString_pcOutChars(current_line->ssa);
+ piDx = HeapAlloc(GetProcessHeap(),0,sizeof(INT) * (*count));
+ ScriptStringGetLogicalWidths(current_line->ssa,piDx);
+
+ prev = current_line->net_length-1;
+ do {
+ current_line->width -= piDx[prev];
+ prev--;
+ } while ( prev > 0 && current_line->width > fw);
+ if (prev<=0)
+ prev = 1;
+ HeapFree(GetProcessHeap(),0,piDx);
+ }
+ else
+ prev = (fw / es->char_width);
+ }
+
+ /* If the first line we are calculating, wrapped before istart, we must
+ * adjust istart in order for this to be reflected in the update region. */
+ if (current_line->index == nstart_index && istart > current_line->index + prev)
+ istart = current_line->index + prev;
+ /* else if we are updating the previous line before the first line we
+ * are re-calculating and it expanded */
+ else if (current_line == start_line &&
+ current_line->index != nstart_index && orig_net_length < prev)
+ {
+ /* Line expanded due to an upwards line wrap so we must partially include
+ * previous line in update region */
+ nstart_line = line_index;
+ nstart_index = current_line->index;
+ istart = current_line->index + orig_net_length;
+ }
+
+ current_line->net_length = prev;
+ current_line->ending = END_WRAP;
+
+ if (current_line->net_length > 0)
+ {
+ EDIT_UpdateUniscribeData_linedef(es, NULL, current_line);
+ if (current_line->ssa)
+ {
+ sz = ScriptString_pSize(current_line->ssa);
+ current_line->width = sz->cx;
+ }
+ else
+ current_line->width = 0;
+ }
+ else current_line->width = 0;
+ }
+ else if (current_line == start_line &&
+ current_line->index != nstart_index &&
+ orig_net_length < current_line->net_length) {
+ /* The previous line expanded but it's still not as wide as the client rect */
+ /* The expansion is due to an upwards line wrap so we must partially include
+ it in the update region */
+ nstart_line = line_index;
+ nstart_index = current_line->index;
+ istart = current_line->index + orig_net_length;
+ }
+ }
+
+
+ /* Adjust length to include line termination */
+ switch (current_line->ending) {
+ case END_SOFT:
+ current_line->length = current_line->net_length + 3;
+ break;
+ case END_RICH:
+ current_line->length = current_line->net_length + 1;
+ break;
+ case END_HARD:
+ current_line->length = current_line->net_length + 2;
+ break;
+ case END_WRAP:
+ case END_0:
+ current_line->length = current_line->net_length;
+ break;
+ }
+ es->text_width = max(es->text_width, current_line->width);
+ current_position += current_line->length;
+ previous_line = current_line;
+
+ /* Discard data for non-visible lines. It will be calculated as needed */
+ if ((line_index < es->y_offset) || (line_index > es->y_offset + vlc))
+ EDIT_InvalidateUniscribeData_linedef(current_line);
+
+ current_line = current_line->next;
+ line_index++;
+ } while (previous_line->ending != END_0);
+
+ /* Finish adjusting line indexes by delta or remove hanging lines */
+ if (previous_line->ending == END_0)
+ {
+ LINEDEF *pnext = NULL;
+
+ previous_line->next = NULL;
+ while (current_line)
+ {
+ pnext = current_line->next;
+ EDIT_InvalidateUniscribeData_linedef(current_line);
+ HeapFree(GetProcessHeap(), 0, current_line);
+ current_line = pnext;
+ es->line_count--;
+ }
+ }
+ else if (delta != 0)
+ {
+ while (current_line)
+ {
+ current_line->index += delta;
+ current_line = current_line->next;
+ }
+ }
+
+ /* Calculate rest of modification rectangle */
+ if (hrgn)
+ {
+ HRGN tmphrgn;
+ /*
+ * We calculate two rectangles. One for the first line which may have
+ * an indent with respect to the format rect. The other is a format-width
+ * rectangle that spans the rest of the lines that changed or moved.
+ */
+ rc.top = es->format_rect.top + nstart_line * es->line_height -
+ (es->y_offset * es->line_height); /* Adjust for vertical scrollbar */
+ rc.bottom = rc.top + es->line_height;
+ if ((es->style & ES_CENTER) || (es->style & ES_RIGHT))
+ rc.left = es->format_rect.left;
+ else
+ rc.left = LOWORD(EDIT_EM_PosFromChar(es, nstart_index, FALSE));
+ rc.right = es->format_rect.right;
+ SetRectRgn(hrgn, rc.left, rc.top, rc.right, rc.bottom);
+
+ rc.top = rc.bottom;
+ rc.left = es->format_rect.left;
+ rc.right = es->format_rect.right;
+ /*
+ * If lines were added or removed we must re-paint the remainder of the
+ * lines since the remaining lines were either shifted up or down.
+ */
+ if (line_count < es->line_count) /* We added lines */
+ rc.bottom = es->line_count * es->line_height;
+ else if (line_count > es->line_count) /* We removed lines */
+ rc.bottom = line_count * es->line_height;
+ else
+ rc.bottom = line_index * es->line_height;
+ rc.bottom += es->format_rect.top;
+ rc.bottom -= (es->y_offset * es->line_height); /* Adjust for vertical scrollbar */
+ tmphrgn = CreateRectRgn(rc.left, rc.top, rc.right, rc.bottom);
+ CombineRgn(hrgn, hrgn, tmphrgn, RGN_OR);
+ DeleteObject(tmphrgn);
+ }
+}
+
+/*********************************************************************
+ *
+ * EDIT_CalcLineWidth_SL
+ *
+ */
+static void EDIT_CalcLineWidth_SL(EDITSTATE *es)
+{
+ EDIT_UpdateUniscribeData(es, NULL, 0);
+ if (es->ssa)
+ {
+ const SIZE *size;
+ size = ScriptString_pSize(es->ssa);
+ es->text_width = size->cx;
+ }
+ else
+ es->text_width = 0;
+}
+
+/*********************************************************************
+ *
+ * EDIT_CharFromPos
+ *
+ * Beware: This is not the function called on EM_CHARFROMPOS
+ * The position _can_ be outside the formatting / client
+ * rectangle
+ * The return value is only the character index
+ *
+ */
+static INT EDIT_CharFromPos(EDITSTATE *es, INT x, INT y, LPBOOL after_wrap)
+{
+ INT index;
+
+ if (es->style & ES_MULTILINE) {
+ int trailing;
+ INT line = (y - es->format_rect.top) / es->line_height + es->y_offset;
+ INT line_index = 0;
+ LINEDEF *line_def = es->first_line_def;
+ EDIT_UpdateUniscribeData(es, NULL, line);
+ while ((line > 0) && line_def->next) {
+ line_index += line_def->length;
+ line_def = line_def->next;
+ line--;
+ }
+
+ x += es->x_offset - es->format_rect.left;
+ if (es->style & ES_RIGHT)
+ x -= (es->format_rect.right - es->format_rect.left) - line_def->width;
+ else if (es->style & ES_CENTER)
+ x -= ((es->format_rect.right - es->format_rect.left) - line_def->width) / 2;
+ if (x >= line_def->width) {
+ if (after_wrap)
+ *after_wrap = (line_def->ending == END_WRAP);
+ return line_index + line_def->net_length;
+ }
+ if (x <= 0 || !line_def->ssa) {
+ if (after_wrap)
+ *after_wrap = FALSE;
+ return line_index;
+ }
+
+ ScriptStringXtoCP(line_def->ssa, x , &index, &trailing);
+ if (trailing) index++;
+ index += line_index;
+ if (after_wrap)
+ *after_wrap = ((index == line_index + line_def->net_length) &&
+ (line_def->ending == END_WRAP));
+ } else {
+ INT xoff = 0;
+ INT trailing;
+ if (after_wrap)
+ *after_wrap = FALSE;
+ x -= es->format_rect.left;
+ if (!x)
+ return es->x_offset;
+
+ if (!es->x_offset)
+ {
+ INT indent = (es->format_rect.right - es->format_rect.left) - es->text_width;
+ if (es->style & ES_RIGHT)
+ x -= indent;
+ else if (es->style & ES_CENTER)
+ x -= indent / 2;
+ }
+
+ EDIT_UpdateUniscribeData(es, NULL, 0);
+ if (es->x_offset)
+ {
+ if (es->ssa)
+ {
+ if (es->x_offset>= get_text_length(es))
+ {
+ const SIZE *size;
+ size = ScriptString_pSize(es->ssa);
+ xoff = size->cx;
+ }
+ ScriptStringCPtoX(es->ssa, es->x_offset, FALSE, &xoff);
+ }
+ else
+ xoff = 0;
+ }
+ if (x < 0)
+ {
+ if (x + xoff > 0 || !es->ssa)
+ {
+ ScriptStringXtoCP(es->ssa, x+xoff, &index, &trailing);
+ if (trailing) index++;
+ }
+ else
+ index = 0;
+ }
+ else
+ {
+ if (x)
+ {
+ const SIZE *size = NULL;
+ if (es->ssa)
+ size = ScriptString_pSize(es->ssa);
+ if (!size)
+ index = 0;
+ else if (x > size->cx)
+ index = get_text_length(es);
+ else if (es->ssa)
+ {
+ ScriptStringXtoCP(es->ssa, x+xoff, &index, &trailing);
+ if (trailing) index++;
+ }
+ else
+ index = 0;
+ }
+ else
+ index = es->x_offset;
+ }
+ }
+ return index;
+}
+
+
+/*********************************************************************
+ *
+ * EDIT_ConfinePoint
+ *
+ * adjusts the point to be within the formatting rectangle
+ * (so CharFromPos returns the nearest _visible_ character)
+ *
+ */
+static void EDIT_ConfinePoint(const EDITSTATE *es, LPINT x, LPINT y)
+{
+ *x = min(max(*x, es->format_rect.left), es->format_rect.right - 1);
+ *y = min(max(*y, es->format_rect.top), es->format_rect.bottom - 1);
+}
+
+
+/*********************************************************************
+ *
+ * EM_LINEFROMCHAR
+ *
+ */
+static INT EDIT_EM_LineFromChar(EDITSTATE *es, INT index)
+{
+ INT line;
+ LINEDEF *line_def;
+
+ if (!(es->style & ES_MULTILINE))
+ return 0;
+ if (index > (INT)get_text_length(es))
+ return es->line_count - 1;
+ if (index == -1)
+ index = min(es->selection_start, es->selection_end);
+
+ line = 0;
+ line_def = es->first_line_def;
+ index -= line_def->length;
+ while ((index >= 0) && line_def->next) {
+ line++;
+ line_def = line_def->next;
+ index -= line_def->length;
+ }
+ return line;
+}
+
+
+/*********************************************************************
+ *
+ * EM_LINEINDEX
+ *
+ */
+static INT EDIT_EM_LineIndex(const EDITSTATE *es, INT line)
+{
+ INT line_index;
+ const LINEDEF *line_def;
+
+ if (!(es->style & ES_MULTILINE))
+ return 0;
+ if (line >= es->line_count)
+ return -1;
+
+ line_index = 0;
+ line_def = es->first_line_def;
+ if (line == -1) {
+ INT index = es->selection_end - line_def->length;
+ while ((index >= 0) && line_def->next) {
+ line_index += line_def->length;
+ line_def = line_def->next;
+ index -= line_def->length;
+ }
+ } else {
+ while (line > 0) {
+ line_index += line_def->length;
+ line_def = line_def->next;
+ line--;
+ }
+ }
+ return line_index;
+}
+
+
+/*********************************************************************
+ *
+ * EM_LINELENGTH
+ *
+ */
+static INT EDIT_EM_LineLength(EDITSTATE *es, INT index)
+{
+ LINEDEF *line_def;
+
+ if (!(es->style & ES_MULTILINE))
+ return get_text_length(es);
+
+ if (index == -1) {
+ /* get the number of remaining non-selected chars of selected lines */
+ INT32 l; /* line number */
+ INT32 li; /* index of first char in line */
+ INT32 count;
+ l = EDIT_EM_LineFromChar(es, es->selection_start);
+ /* # chars before start of selection area */
+ count = es->selection_start - EDIT_EM_LineIndex(es, l);
+ l = EDIT_EM_LineFromChar(es, es->selection_end);
+ /* # chars after end of selection */
+ li = EDIT_EM_LineIndex(es, l);
+ count += li + EDIT_EM_LineLength(es, li) - es->selection_end;
+ return count;
+ }
+ line_def = es->first_line_def;
+ index -= line_def->length;
+ while ((index >= 0) && line_def->next) {
+ line_def = line_def->next;
+ index -= line_def->length;
+ }
+ return line_def->net_length;
+}
+
+
+/*********************************************************************
+ *
+ * EM_POSFROMCHAR
+ *
+ */
+static LRESULT EDIT_EM_PosFromChar(EDITSTATE *es, INT index, BOOL after_wrap)
+{
+ INT len = get_text_length(es);
+ INT l;
+ INT li;
+ INT x = 0;
+ INT y = 0;
+ INT w;
+ INT lw;
+ LINEDEF *line_def;
+
+ index = min(index, len);
+ if (es->style & ES_MULTILINE) {
+ l = EDIT_EM_LineFromChar(es, index);
+ EDIT_UpdateUniscribeData(es, NULL, l);
+
+ y = (l - es->y_offset) * es->line_height;
+ li = EDIT_EM_LineIndex(es, l);
+ if (after_wrap && (li == index) && l) {
+ INT l2 = l - 1;
+ line_def = es->first_line_def;
+ while (l2) {
+ line_def = line_def->next;
+ l2--;
+ }
+ if (line_def->ending == END_WRAP) {
+ l--;
+ y -= es->line_height;
+ li = EDIT_EM_LineIndex(es, l);
+ }
+ }
+
+ line_def = es->first_line_def;
+ while (line_def->index != li)
+ line_def = line_def->next;
+
+ lw = line_def->width;
+ w = es->format_rect.right - es->format_rect.left;
+ if (line_def->ssa)
+ {
+ ScriptStringCPtoX(line_def->ssa, (index - 1) - li, TRUE, &x);
+ x -= es->x_offset;
+ }
+ else
+ x = es->x_offset;
+
+ if (es->style & ES_RIGHT)
+ x = w - (lw - x);
+ else if (es->style & ES_CENTER)
+ x += (w - lw) / 2;
+ } else {
+ INT xoff = 0;
+ INT xi = 0;
+ EDIT_UpdateUniscribeData(es, NULL, 0);
+ if (es->x_offset)
+ {
+ if (es->ssa)
+ {
+ if (es->x_offset >= get_text_length(es))
+ {
+ int leftover = es->x_offset - get_text_length(es);
+ if (es->ssa)
+ {
+ const SIZE *size;
+ size = ScriptString_pSize(es->ssa);
+ xoff = size->cx;
+ }
+ else
+ xoff = 0;
+ xoff += es->char_width * leftover;
+ }
+ else
+ ScriptStringCPtoX(es->ssa, es->x_offset, FALSE, &xoff);
+ }
+ else
+ xoff = 0;
+ }
+ if (index)
+ {
+ if (index >= get_text_length(es))
+ {
+ if (es->ssa)
+ {
+ const SIZE *size;
+ size = ScriptString_pSize(es->ssa);
+ xi = size->cx;
+ }
+ else
+ xi = 0;
+ }
+ else if (es->ssa)
+ ScriptStringCPtoX(es->ssa, index, FALSE, &xi);
+ else
+ xi = 0;
+ }
+ x = xi - xoff;
+
+ if (index >= es->x_offset) {
+ if (!es->x_offset && (es->style & (ES_RIGHT | ES_CENTER)))
+ {
+ w = es->format_rect.right - es->format_rect.left;
+ if (w > es->text_width)
+ {
+ if (es->style & ES_RIGHT)
+ x += w - es->text_width;
+ else if (es->style & ES_CENTER)
+ x += (w - es->text_width) / 2;
+ }
+ }
+ }
+ y = 0;
+ }
+ x += es->format_rect.left;
+ y += es->format_rect.top;
+ return MAKELONG((INT16)x, (INT16)y);
+}
+
+
+/*********************************************************************
+ *
+ * EDIT_GetLineRect
+ *
+ * Calculates the bounding rectangle for a line from a starting
+ * column to an ending column.
+ *
+ */
+static void EDIT_GetLineRect(EDITSTATE *es, INT line, INT scol, INT ecol, LPRECT rc)
+{
+ SCRIPT_STRING_ANALYSIS ssa;
+ INT line_index = 0;
+ INT pt1, pt2, pt3;
+
+ if (es->style & ES_MULTILINE)
+ {
+ const LINEDEF *line_def = NULL;
+ rc->top = es->format_rect.top + (line - es->y_offset) * es->line_height;
+ if (line >= es->line_count)
+ return;
+
+ line_def = es->first_line_def;
+ if (line == -1) {
+ INT index = es->selection_end - line_def->length;
+ while ((index >= 0) && line_def->next) {
+ line_index += line_def->length;
+ line_def = line_def->next;
+ index -= line_def->length;
+ }
+ } else {
+ while (line > 0) {
+ line_index += line_def->length;
+ line_def = line_def->next;
+ line--;
+ }
+ }
+ ssa = line_def->ssa;
+ }
+ else
+ {
+ line_index = 0;
+ rc->top = es->format_rect.top;
+ ssa = es->ssa;
+ }
+
+ rc->bottom = rc->top + es->line_height;
+ pt1 = (scol == 0) ? es->format_rect.left : (short)LOWORD(EDIT_EM_PosFromChar(es, line_index + scol, TRUE));
+ pt2 = (ecol == -1) ? es->format_rect.right : (short)LOWORD(EDIT_EM_PosFromChar(es, line_index + ecol, TRUE));
+ if (ssa)
+ {
+ ScriptStringCPtoX(ssa, scol, FALSE, &pt3);
+ pt3+=es->format_rect.left;
+ }
+ else pt3 = pt1;
+ rc->right = max(max(pt1 , pt2),pt3);
+ rc->left = min(min(pt1, pt2),pt3);
+}
+
+
+static inline void text_buffer_changed(EDITSTATE *es)
+{
+ es->text_length = (UINT)-1;
+
+ HeapFree( GetProcessHeap(), 0, es->logAttr );
+ es->logAttr = NULL;
+ EDIT_InvalidateUniscribeData(es);
+}
+
+/*********************************************************************
+ * EDIT_LockBuffer
+ *
+ */
+static void EDIT_LockBuffer(EDITSTATE *es)
+{
+ if (!es->text) {
+
+ if(!es->hloc32W) return;
+
+ if(es->hloc32A)
+ {
+ CHAR *textA = LocalLock(es->hloc32A);
+ HLOCAL hloc32W_new;
+ UINT countW_new = MultiByteToWideChar(CP_ACP, 0, textA, -1, NULL, 0);
+ if(countW_new > es->buffer_size + 1)
+ {
+ UINT alloc_size = ROUND_TO_GROW(countW_new * sizeof(WCHAR));
+ TRACE("Resizing 32-bit UNICODE buffer from %d+1 to %d WCHARs\n", es->buffer_size, countW_new);
+ hloc32W_new = LocalReAlloc(es->hloc32W, alloc_size, LMEM_MOVEABLE | LMEM_ZEROINIT);
+ if(hloc32W_new)
+ {
+ es->hloc32W = hloc32W_new;
+ es->buffer_size = LocalSize(hloc32W_new)/sizeof(WCHAR) - 1;
+ TRACE("Real new size %d+1 WCHARs\n", es->buffer_size);
+ }
+ else
+ WARN("FAILED! Will synchronize partially\n");
+ }
+ es->text = LocalLock(es->hloc32W);
+ MultiByteToWideChar(CP_ACP, 0, textA, -1, es->text, es->buffer_size + 1);
+ LocalUnlock(es->hloc32A);
+ }
+ else es->text = LocalLock(es->hloc32W);
+ }
+ es->lock_count++;
+}
+
+
+/*********************************************************************
+ *
+ * EDIT_UnlockBuffer
+ *
+ */
+static void EDIT_UnlockBuffer(EDITSTATE *es, BOOL force)
+{
+ /* Edit window might be already destroyed */
+ if(!IsWindow(es->hwndSelf))
+ {
+ WARN("edit hwnd %p already destroyed\n", es->hwndSelf);
+ return;
+ }
+
+ if (!es->lock_count) {
+ ERR("lock_count == 0 ... please report\n");
+ return;
+ }
+ if (!es->text) {
+ ERR("es->text == 0 ... please report\n");
+ return;
+ }
+ if (force || (es->lock_count == 1)) {
+ if (es->hloc32W) {
+ UINT countA = 0;
+ UINT countW = get_text_length(es) + 1;
+
+ if(es->hloc32A)
+ {
+ UINT countA_new = WideCharToMultiByte(CP_ACP, 0, es->text, countW, NULL, 0, NULL, NULL);
+ TRACE("Synchronizing with 32-bit ANSI buffer\n");
+ TRACE("%d WCHARs translated to %d bytes\n", countW, countA_new);
+ countA = LocalSize(es->hloc32A);
+ if(countA_new > countA)
+ {
+ HLOCAL hloc32A_new;
+ UINT alloc_size = ROUND_TO_GROW(countA_new);
+ TRACE("Resizing 32-bit ANSI buffer from %d to %d bytes\n", countA, alloc_size);
+ hloc32A_new = LocalReAlloc(es->hloc32A, alloc_size, LMEM_MOVEABLE | LMEM_ZEROINIT);
+ if(hloc32A_new)
+ {
+ es->hloc32A = hloc32A_new;
+ countA = LocalSize(hloc32A_new);
+ TRACE("Real new size %d bytes\n", countA);
+ }
+ else
+ WARN("FAILED! Will synchronize partially\n");
+ }
+ WideCharToMultiByte(CP_ACP, 0, es->text, countW,
+ LocalLock(es->hloc32A), countA, NULL, NULL);
+ LocalUnlock(es->hloc32A);
+ }
+
+ LocalUnlock(es->hloc32W);
+ es->text = NULL;
+ }
+ else {
+ ERR("no buffer ... please report\n");
+ return;
+ }
+ }
+ es->lock_count--;
+}
+
+
+/*********************************************************************
+ *
+ * EDIT_MakeFit
+ *
+ * Try to fit size + 1 characters in the buffer.
+ */
+static BOOL EDIT_MakeFit(EDITSTATE *es, UINT size)
+{
+ HLOCAL hNew32W;
+
+ if (size <= es->buffer_size)
+ return TRUE;
+
+ TRACE("trying to ReAlloc to %d+1 characters\n", size);
+
+ /* Force edit to unlock its buffer. es->text now NULL */
+ EDIT_UnlockBuffer(es, TRUE);
+
+ if (es->hloc32W) {
+ UINT alloc_size = ROUND_TO_GROW((size + 1) * sizeof(WCHAR));
+ if ((hNew32W = LocalReAlloc(es->hloc32W, alloc_size, LMEM_MOVEABLE | LMEM_ZEROINIT))) {
+ TRACE("Old 32 bit handle %p, new handle %p\n", es->hloc32W, hNew32W);
+ es->hloc32W = hNew32W;
+ es->buffer_size = LocalSize(hNew32W)/sizeof(WCHAR) - 1;
+ }
+ }
+
+ EDIT_LockBuffer(es);
+
+ if (es->buffer_size < size) {
+ WARN("FAILED ! We now have %d+1\n", es->buffer_size);
+ EDIT_NOTIFY_PARENT(es, EN_ERRSPACE);
+ return FALSE;
+ } else {
+ TRACE("We now have %d+1\n", es->buffer_size);
+ return TRUE;
+ }
+}
+
+
+/*********************************************************************
+ *
+ * EDIT_MakeUndoFit
+ *
+ * Try to fit size + 1 bytes in the undo buffer.
+ *
+ */
+static BOOL EDIT_MakeUndoFit(EDITSTATE *es, UINT size)
+{
+ UINT alloc_size;
+
+ if (size <= es->undo_buffer_size)
+ return TRUE;
+
+ TRACE("trying to ReAlloc to %d+1\n", size);
+
+ alloc_size = ROUND_TO_GROW((size + 1) * sizeof(WCHAR));
+ if ((es->undo_text = HeapReAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, es->undo_text, alloc_size))) {
+ es->undo_buffer_size = alloc_size/sizeof(WCHAR) - 1;
+ return TRUE;
+ }
+ else
+ {
+ WARN("FAILED ! We now have %d+1\n", es->undo_buffer_size);
+ return FALSE;
+ }
+}
+
+
+/*********************************************************************
+ *
+ * EDIT_UpdateTextRegion
+ *
+ */
+static void EDIT_UpdateTextRegion(EDITSTATE *es, HRGN hrgn, BOOL bErase)
+{
+ if (es->flags & EF_UPDATE) {
+ es->flags &= ~EF_UPDATE;
+ EDIT_NOTIFY_PARENT(es, EN_UPDATE);
+ }
+ InvalidateRgn(es->hwndSelf, hrgn, bErase);
+}
+
+
+/*********************************************************************
+ *
+ * EDIT_UpdateText
+ *
+ */
+static void EDIT_UpdateText(EDITSTATE *es, const RECT *rc, BOOL bErase)
+{
+ if (es->flags & EF_UPDATE) {
+ es->flags &= ~EF_UPDATE;
+ EDIT_NOTIFY_PARENT(es, EN_UPDATE);
+ }
+ InvalidateRect(es->hwndSelf, rc, bErase);
+}
+
+/*********************************************************************
+ *
+ * EDIT_SL_InvalidateText
+ *
+ * Called from EDIT_InvalidateText().
+ * Does the job for single-line controls only.
+ *
+ */
+static void EDIT_SL_InvalidateText(EDITSTATE *es, INT start, INT end)
+{
+ RECT line_rect;
+ RECT rc;
+
+ EDIT_GetLineRect(es, 0, start, end, &line_rect);
+ if (IntersectRect(&rc, &line_rect, &es->format_rect))
+ EDIT_UpdateText(es, &rc, TRUE);
+}
+
+/*********************************************************************
+ *
+ * EDIT_ML_InvalidateText
+ *
+ * Called from EDIT_InvalidateText().
+ * Does the job for multi-line controls only.
+ *
+ */
+static void EDIT_ML_InvalidateText(EDITSTATE *es, INT start, INT end)
+{
+ INT vlc = get_vertical_line_count(es);
+ INT sl = EDIT_EM_LineFromChar(es, start);
+ INT el = EDIT_EM_LineFromChar(es, end);
+ INT sc;
+ INT ec;
+ RECT rc1;
+ RECT rcWnd;
+ RECT rcLine;
+ RECT rcUpdate;
+ INT l;
+
+ if ((el < es->y_offset) || (sl > es->y_offset + vlc))
+ return;
+
+ sc = start - EDIT_EM_LineIndex(es, sl);
+ ec = end - EDIT_EM_LineIndex(es, el);
+ if (sl < es->y_offset) {
+ sl = es->y_offset;
+ sc = 0;
+ }
+ if (el > es->y_offset + vlc) {
+ el = es->y_offset + vlc;
+ ec = EDIT_EM_LineLength(es, EDIT_EM_LineIndex(es, el));
+ }
+ GetClientRect(es->hwndSelf, &rc1);
+ IntersectRect(&rcWnd, &rc1, &es->format_rect);
+ if (sl == el) {
+ EDIT_GetLineRect(es, sl, sc, ec, &rcLine);
+ if (IntersectRect(&rcUpdate, &rcWnd, &rcLine))
+ EDIT_UpdateText(es, &rcUpdate, TRUE);
+ } else {
+ EDIT_GetLineRect(es, sl, sc,
+ EDIT_EM_LineLength(es,
+ EDIT_EM_LineIndex(es, sl)),
+ &rcLine);
+ if (IntersectRect(&rcUpdate, &rcWnd, &rcLine))
+ EDIT_UpdateText(es, &rcUpdate, TRUE);
+ for (l = sl + 1 ; l < el ; l++) {
+ EDIT_GetLineRect(es, l, 0,
+ EDIT_EM_LineLength(es,
+ EDIT_EM_LineIndex(es, l)),
+ &rcLine);
+ if (IntersectRect(&rcUpdate, &rcWnd, &rcLine))
+ EDIT_UpdateText(es, &rcUpdate, TRUE);
+ }
+ EDIT_GetLineRect(es, el, 0, ec, &rcLine);
+ if (IntersectRect(&rcUpdate, &rcWnd, &rcLine))
+ EDIT_UpdateText(es, &rcUpdate, TRUE);
+ }
+}
+
+
+/*********************************************************************
+ *
+ * EDIT_InvalidateText
+ *
+ * Invalidate the text from offset start up to, but not including,
+ * offset end. Useful for (re)painting the selection.
+ * Regions outside the linewidth are not invalidated.
+ * end == -1 means end == TextLength.
+ * start and end need not be ordered.
+ *
+ */
+static void EDIT_InvalidateText(EDITSTATE *es, INT start, INT end)
+{
+ if (end == start)
+ return;
+
+ if (end == -1)
+ end = get_text_length(es);
+
+ if (end < start) {
+ INT tmp = start;
+ start = end;
+ end = tmp;
+ }
+
+ if (es->style & ES_MULTILINE)
+ EDIT_ML_InvalidateText(es, start, end);
+ else
+ EDIT_SL_InvalidateText(es, start, end);
+}
+
+
+/*********************************************************************
+ *
+ * EDIT_EM_SetSel
+ *
+ * note: unlike the specs say: the order of start and end
+ * _is_ preserved in Windows. (i.e. start can be > end)
+ * In other words: this handler is OK
+ *
+ */
+static void EDIT_EM_SetSel(EDITSTATE *es, UINT start, UINT end, BOOL after_wrap)
+{
+ UINT old_start = es->selection_start;
+ UINT old_end = es->selection_end;
+ UINT len = get_text_length(es);
+
+ if (start == (UINT)-1) {
+ start = es->selection_end;
+ end = es->selection_end;
+ } else {
+ start = min(start, len);
+ end = min(end, len);
+ }
+ es->selection_start = start;
+ es->selection_end = end;
+ if (after_wrap)
+ es->flags |= EF_AFTER_WRAP;
+ else
+ es->flags &= ~EF_AFTER_WRAP;
+ /* Compute the necessary invalidation region. */
+ /* Note that we don't need to invalidate regions which have
+ * "never" been selected, or those which are "still" selected.
+ * In fact, every time we hit a selection boundary, we can
+ * *toggle* whether we need to invalidate. Thus we can optimize by
+ * *sorting* the interval endpoints. Let's assume that we sort them
+ * in this order:
+ * start <= end <= old_start <= old_end
+ * Knuth 5.3.1 (p 183) assures us that this can be done optimally
+ * in 5 comparisons; i.e. it is impossible to do better than the
+ * following: */
+ ORDER_UINT(end, old_end);
+ ORDER_UINT(start, old_start);
+ ORDER_UINT(old_start, old_end);
+ ORDER_UINT(start, end);
+ /* Note that at this point 'end' and 'old_start' are not in order, but
+ * start is definitely the min. and old_end is definitely the max. */
+ if (end != old_start)
+ {
+/*
+ * One can also do
+ * ORDER_UINT32(end, old_start);
+ * EDIT_InvalidateText(es, start, end);
+ * EDIT_InvalidateText(es, old_start, old_end);
+ * in place of the following if statement.
+ * (That would complete the optimal five-comparison four-element sort.)
+ */
+ if (old_start > end )
+ {
+ EDIT_InvalidateText(es, start, end);
+ EDIT_InvalidateText(es, old_start, old_end);
+ }
+ else
+ {
+ EDIT_InvalidateText(es, start, old_start);
+ EDIT_InvalidateText(es, end, old_end);
+ }
+ }
+ else EDIT_InvalidateText(es, start, old_end);
+}
+
+
+/*********************************************************************
+ *
+ * EDIT_UpdateScrollInfo
+ *
+ */
+static void EDIT_UpdateScrollInfo(EDITSTATE *es)
+{
+ if ((es->style & WS_VSCROLL) && !(es->flags & EF_VSCROLL_TRACK))
+ {
+ SCROLLINFO si;
+ si.cbSize = sizeof(SCROLLINFO);
+ si.fMask = SIF_PAGE | SIF_POS | SIF_RANGE | SIF_DISABLENOSCROLL;
+ si.nMin = 0;
+ si.nMax = es->line_count - 1;
+ si.nPage = (es->format_rect.bottom - es->format_rect.top) / es->line_height;
+ si.nPos = es->y_offset;
+ TRACE("SB_VERT, nMin=%d, nMax=%d, nPage=%d, nPos=%d\n",
+ si.nMin, si.nMax, si.nPage, si.nPos);
+ SetScrollInfo(es->hwndSelf, SB_VERT, &si, TRUE);
+ }
+
+ if ((es->style & WS_HSCROLL) && !(es->flags & EF_HSCROLL_TRACK))
+ {
+ SCROLLINFO si;
+ si.cbSize = sizeof(SCROLLINFO);
+ si.fMask = SIF_PAGE | SIF_POS | SIF_RANGE | SIF_DISABLENOSCROLL;
+ si.nMin = 0;
+ si.nMax = es->text_width - 1;
+ si.nPage = es->format_rect.right - es->format_rect.left;
+ si.nPos = es->x_offset;
+ TRACE("SB_HORZ, nMin=%d, nMax=%d, nPage=%d, nPos=%d\n",
+ si.nMin, si.nMax, si.nPage, si.nPos);
+ SetScrollInfo(es->hwndSelf, SB_HORZ, &si, TRUE);
+ }
+}
+
+
+/*********************************************************************
+ *
+ * EDIT_EM_LineScroll_internal
+ *
+ * Version of EDIT_EM_LineScroll for internal use.
+ * It doesn't refuse if ES_MULTILINE is set and assumes that
+ * dx is in pixels, dy - in lines.
+ *
+ */
+static BOOL EDIT_EM_LineScroll_internal(EDITSTATE *es, INT dx, INT dy)
+{
+ INT nyoff;
+ INT x_offset_in_pixels;
+ INT lines_per_page = (es->format_rect.bottom - es->format_rect.top) /
+ es->line_height;
+
+ if (es->style & ES_MULTILINE)
+ {
+ x_offset_in_pixels = es->x_offset;
+ }
+ else
+ {
+ dy = 0;
+ x_offset_in_pixels = (short)LOWORD(EDIT_EM_PosFromChar(es, es->x_offset, FALSE));
+ }
+
+ if (-dx > x_offset_in_pixels)
+ dx = -x_offset_in_pixels;
+ if (dx > es->text_width - x_offset_in_pixels)
+ dx = es->text_width - x_offset_in_pixels;
+ nyoff = max(0, es->y_offset + dy);
+ if (nyoff >= es->line_count - lines_per_page)
+ nyoff = max(0, es->line_count - lines_per_page);
+ dy = (es->y_offset - nyoff) * es->line_height;
+ if (dx || dy) {
+ RECT rc1;
+ RECT rc;
+
+ es->y_offset = nyoff;
+ if(es->style & ES_MULTILINE)
+ es->x_offset += dx;
+ else
+ es->x_offset += dx / es->char_width;
+
+ GetClientRect(es->hwndSelf, &rc1);
+ IntersectRect(&rc, &rc1, &es->format_rect);
+ ScrollWindowEx(es->hwndSelf, -dx, dy,
+ NULL, &rc, NULL, NULL, SW_INVALIDATE);
+ /* force scroll info update */
+ EDIT_UpdateScrollInfo(es);
+ }
+ if (dx && !(es->flags & EF_HSCROLL_TRACK))
+ EDIT_NOTIFY_PARENT(es, EN_HSCROLL);
+ if (dy && !(es->flags & EF_VSCROLL_TRACK))
+ EDIT_NOTIFY_PARENT(es, EN_VSCROLL);
+ return TRUE;
+}
+
+/*********************************************************************
+ *
+ * EM_LINESCROLL
+ *
+ * NOTE: dx is in average character widths, dy - in lines;
+ *
+ */
+static BOOL EDIT_EM_LineScroll(EDITSTATE *es, INT dx, INT dy)
+{
+ if (!(es->style & ES_MULTILINE))
+ return FALSE;
+
+ dx *= es->char_width;
+ return EDIT_EM_LineScroll_internal(es, dx, dy);
+}
+
+
+/*********************************************************************
+ *
+ * EM_SCROLL
+ *
+ */
+static LRESULT EDIT_EM_Scroll(EDITSTATE *es, INT action)
+{
+ INT dy;
+
+ if (!(es->style & ES_MULTILINE))
+ return (LRESULT)FALSE;
+
+ dy = 0;
+
+ switch (action) {
+ case SB_LINEUP:
+ if (es->y_offset)
+ dy = -1;
+ break;
+ case SB_LINEDOWN:
+ if (es->y_offset < es->line_count - 1)
+ dy = 1;
+ break;
+ case SB_PAGEUP:
+ if (es->y_offset)
+ dy = -(es->format_rect.bottom - es->format_rect.top) / es->line_height;
+ break;
+ case SB_PAGEDOWN:
+ if (es->y_offset < es->line_count - 1)
+ dy = (es->format_rect.bottom - es->format_rect.top) / es->line_height;
+ break;
+ default:
+ return (LRESULT)FALSE;
+ }
+ if (dy) {
+ INT vlc = get_vertical_line_count(es);
+ /* check if we are going to move too far */
+ if(es->y_offset + dy > es->line_count - vlc)
+ dy = max(es->line_count - vlc, 0) - es->y_offset;
+
+ /* Notification is done in EDIT_EM_LineScroll */
+ if(dy) {
+ EDIT_EM_LineScroll(es, 0, dy);
+ return MAKELONG(dy, TRUE);
+ }
+
+ }
+ return (LRESULT)FALSE;
+}
+
+
+/*********************************************************************
+ *
+ * EDIT_SetCaretPos
+ *
+ */
+static void EDIT_SetCaretPos(EDITSTATE *es, INT pos,
+ BOOL after_wrap)
+{
+ LRESULT res = EDIT_EM_PosFromChar(es, pos, after_wrap);
+ TRACE("%d - %dx%d\n", pos, (short)LOWORD(res), (short)HIWORD(res));
+ SetCaretPos((short)LOWORD(res), (short)HIWORD(res));
+}
+
+
+/*********************************************************************
+ *
+ * EM_SCROLLCARET
+ *
+ */
+static void EDIT_EM_ScrollCaret(EDITSTATE *es)
+{
+ if (es->style & ES_MULTILINE) {
+ INT l;
+ INT vlc;
+ INT ww;
+ INT cw = es->char_width;
+ INT x;
+ INT dy = 0;
+ INT dx = 0;
+
+ l = EDIT_EM_LineFromChar(es, es->selection_end);
+ x = (short)LOWORD(EDIT_EM_PosFromChar(es, es->selection_end, es->flags & EF_AFTER_WRAP));
+ vlc = get_vertical_line_count(es);
+ if (l >= es->y_offset + vlc)
+ dy = l - vlc + 1 - es->y_offset;
+ if (l < es->y_offset)
+ dy = l - es->y_offset;
+ ww = es->format_rect.right - es->format_rect.left;
+ if (x < es->format_rect.left)
+ dx = x - es->format_rect.left - ww / HSCROLL_FRACTION / cw * cw;
+ if (x > es->format_rect.right)
+ dx = x - es->format_rect.left - (HSCROLL_FRACTION - 1) * ww / HSCROLL_FRACTION / cw * cw;
+ if (dy || dx || (es->y_offset && (es->line_count - es->y_offset < vlc)))
+ {
+ /* check if we are going to move too far */
+ if(es->x_offset + dx + ww > es->text_width)
+ dx = es->text_width - ww - es->x_offset;
+ if(dx || dy || (es->y_offset && (es->line_count - es->y_offset < vlc)))
+ EDIT_EM_LineScroll_internal(es, dx, dy);
+ }
+ } else {
+ INT x;
+ INT goal;
+ INT format_width;
+
+ x = (short)LOWORD(EDIT_EM_PosFromChar(es, es->selection_end, FALSE));
+ format_width = es->format_rect.right - es->format_rect.left;
+ if (x < es->format_rect.left) {
+ goal = es->format_rect.left + format_width / HSCROLL_FRACTION;
+ do {
+ es->x_offset--;
+ x = (short)LOWORD(EDIT_EM_PosFromChar(es, es->selection_end, FALSE));
+ } while ((x < goal) && es->x_offset);
+ /* FIXME: use ScrollWindow() somehow to improve performance */
+ EDIT_UpdateText(es, NULL, TRUE);
+ } else if (x > es->format_rect.right) {
+ INT x_last;
+ INT len = get_text_length(es);
+ goal = es->format_rect.right - format_width / HSCROLL_FRACTION;
+ do {
+ es->x_offset++;
+ x = (short)LOWORD(EDIT_EM_PosFromChar(es, es->selection_end, FALSE));
+ x_last = (short)LOWORD(EDIT_EM_PosFromChar(es, len, FALSE));
+ } while ((x > goal) && (x_last > es->format_rect.right));
+ /* FIXME: use ScrollWindow() somehow to improve performance */
+ EDIT_UpdateText(es, NULL, TRUE);
+ }
+ }
+
+ if(es->flags & EF_FOCUSED)
+ EDIT_SetCaretPos(es, es->selection_end, es->flags & EF_AFTER_WRAP);
+}
+
+
+/*********************************************************************
+ *
+ * EDIT_MoveBackward
+ *
+ */
+static void EDIT_MoveBackward(EDITSTATE *es, BOOL extend)
+{
+ INT e = es->selection_end;
+
+ if (e) {
+ e--;
+ if ((es->style & ES_MULTILINE) && e &&
+ (es->text[e - 1] == '\r') && (es->text[e] == '\n')) {
+ e--;
+ if (e && (es->text[e - 1] == '\r'))
+ e--;
+ }
+ }
+ EDIT_EM_SetSel(es, extend ? es->selection_start : e, e, FALSE);
+ EDIT_EM_ScrollCaret(es);
+}
+
+
+/*********************************************************************
+ *
+ * EDIT_MoveDown_ML
+ *
+ * Only for multi line controls
+ * Move the caret one line down, on a column with the nearest
+ * x coordinate on the screen (might be a different column).
+ *
+ */
+static void EDIT_MoveDown_ML(EDITSTATE *es, BOOL extend)
+{
+ INT s = es->selection_start;
+ INT e = es->selection_end;
+ BOOL after_wrap = (es->flags & EF_AFTER_WRAP);
+ LRESULT pos = EDIT_EM_PosFromChar(es, e, after_wrap);
+ INT x = (short)LOWORD(pos);
+ INT y = (short)HIWORD(pos);
+
+ e = EDIT_CharFromPos(es, x, y + es->line_height, &after_wrap);
+ if (!extend)
+ s = e;
+ EDIT_EM_SetSel(es, s, e, after_wrap);
+ EDIT_EM_ScrollCaret(es);
+}
+
+
+/*********************************************************************
+ *
+ * EDIT_MoveEnd
+ *
+ */
+static void EDIT_MoveEnd(EDITSTATE *es, BOOL extend, BOOL ctrl)
+{
+ BOOL after_wrap = FALSE;
+ INT e;
+
+ /* Pass a high value in x to make sure of receiving the end of the line */
+ if (!ctrl && (es->style & ES_MULTILINE))
+ e = EDIT_CharFromPos(es, 0x3fffffff,
+ HIWORD(EDIT_EM_PosFromChar(es, es->selection_end, es->flags & EF_AFTER_WRAP)), &after_wrap);
+ else
+ e = get_text_length(es);
+ EDIT_EM_SetSel(es, extend ? es->selection_start : e, e, after_wrap);
+ EDIT_EM_ScrollCaret(es);
+}
+
+
+/*********************************************************************
+ *
+ * EDIT_MoveForward
+ *
+ */
+static void EDIT_MoveForward(EDITSTATE *es, BOOL extend)
+{
+ INT e = es->selection_end;
+
+ if (es->text[e]) {
+ e++;
+ if ((es->style & ES_MULTILINE) && (es->text[e - 1] == '\r')) {
+ if (es->text[e] == '\n')
+ e++;
+ else if ((es->text[e] == '\r') && (es->text[e + 1] == '\n'))
+ e += 2;
+ }
+ }
+ EDIT_EM_SetSel(es, extend ? es->selection_start : e, e, FALSE);
+ EDIT_EM_ScrollCaret(es);
+}
+
+
+/*********************************************************************
+ *
+ * EDIT_MoveHome
+ *
+ * Home key: move to beginning of line.
+ *
+ */
+static void EDIT_MoveHome(EDITSTATE *es, BOOL extend, BOOL ctrl)
+{
+ INT e;
+
+ /* Pass the x_offset in x to make sure of receiving the first position of the line */
+ if (!ctrl && (es->style & ES_MULTILINE))
+ e = EDIT_CharFromPos(es, -es->x_offset,
+ HIWORD(EDIT_EM_PosFromChar(es, es->selection_end, es->flags & EF_AFTER_WRAP)), NULL);
+ else
+ e = 0;
+ EDIT_EM_SetSel(es, extend ? es->selection_start : e, e, FALSE);
+ EDIT_EM_ScrollCaret(es);
+}
+
+
+/*********************************************************************
+ *
+ * EDIT_MovePageDown_ML
+ *
+ * Only for multi line controls
+ * Move the caret one page down, on a column with the nearest
+ * x coordinate on the screen (might be a different column).
+ *
+ */
+static void EDIT_MovePageDown_ML(EDITSTATE *es, BOOL extend)
+{
+ INT s = es->selection_start;
+ INT e = es->selection_end;
+ BOOL after_wrap = (es->flags & EF_AFTER_WRAP);
+ LRESULT pos = EDIT_EM_PosFromChar(es, e, after_wrap);
+ INT x = (short)LOWORD(pos);
+ INT y = (short)HIWORD(pos);
+
+ e = EDIT_CharFromPos(es, x,
+ y + (es->format_rect.bottom - es->format_rect.top),
+ &after_wrap);
+ if (!extend)
+ s = e;
+ EDIT_EM_SetSel(es, s, e, after_wrap);
+ EDIT_EM_ScrollCaret(es);
+}
+
+
+/*********************************************************************
+ *
+ * EDIT_MovePageUp_ML
+ *
+ * Only for multi line controls
+ * Move the caret one page up, on a column with the nearest
+ * x coordinate on the screen (might be a different column).
+ *
+ */
+static void EDIT_MovePageUp_ML(EDITSTATE *es, BOOL extend)
+{
+ INT s = es->selection_start;
+ INT e = es->selection_end;
+ BOOL after_wrap = (es->flags & EF_AFTER_WRAP);
+ LRESULT pos = EDIT_EM_PosFromChar(es, e, after_wrap);
+ INT x = (short)LOWORD(pos);
+ INT y = (short)HIWORD(pos);
+
+ e = EDIT_CharFromPos(es, x,
+ y - (es->format_rect.bottom - es->format_rect.top),
+ &after_wrap);
+ if (!extend)
+ s = e;
+ EDIT_EM_SetSel(es, s, e, after_wrap);
+ EDIT_EM_ScrollCaret(es);
+}
+
+
+/*********************************************************************
+ *
+ * EDIT_MoveUp_ML
+ *
+ * Only for multi line controls
+ * Move the caret one line up, on a column with the nearest
+ * x coordinate on the screen (might be a different column).
+ *
+ */
+static void EDIT_MoveUp_ML(EDITSTATE *es, BOOL extend)
+{
+ INT s = es->selection_start;
+ INT e = es->selection_end;
+ BOOL after_wrap = (es->flags & EF_AFTER_WRAP);
+ LRESULT pos = EDIT_EM_PosFromChar(es, e, after_wrap);
+ INT x = (short)LOWORD(pos);
+ INT y = (short)HIWORD(pos);
+
+ e = EDIT_CharFromPos(es, x, y - es->line_height, &after_wrap);
+ if (!extend)
+ s = e;
+ EDIT_EM_SetSel(es, s, e, after_wrap);
+ EDIT_EM_ScrollCaret(es);
+}
+
+
+/*********************************************************************
+ *
+ * EDIT_MoveWordBackward
+ *
+ */
+static void EDIT_MoveWordBackward(EDITSTATE *es, BOOL extend)
+{
+ INT s = es->selection_start;
+ INT e = es->selection_end;
+ INT l;
+ INT ll;
+ INT li;
+
+ l = EDIT_EM_LineFromChar(es, e);
+ ll = EDIT_EM_LineLength(es, e);
+ li = EDIT_EM_LineIndex(es, l);
+ if (e - li == 0) {
+ if (l) {
+ li = EDIT_EM_LineIndex(es, l - 1);
+ e = li + EDIT_EM_LineLength(es, li);
+ }
+ } else {
+ e = li + EDIT_CallWordBreakProc(es, li, e - li, ll, WB_LEFT);
+ }
+ if (!extend)
+ s = e;
+ EDIT_EM_SetSel(es, s, e, FALSE);
+ EDIT_EM_ScrollCaret(es);
+}
+
+
+/*********************************************************************
+ *
+ * EDIT_MoveWordForward
+ *
+ */
+static void EDIT_MoveWordForward(EDITSTATE *es, BOOL extend)
+{
+ INT s = es->selection_start;
+ INT e = es->selection_end;
+ INT l;
+ INT ll;
+ INT li;
+
+ l = EDIT_EM_LineFromChar(es, e);
+ ll = EDIT_EM_LineLength(es, e);
+ li = EDIT_EM_LineIndex(es, l);
+ if (e - li == ll) {
+ if ((es->style & ES_MULTILINE) && (l != es->line_count - 1))
+ e = EDIT_EM_LineIndex(es, l + 1);
+ } else {
+ e = li + EDIT_CallWordBreakProc(es,
+ li, e - li + 1, ll, WB_RIGHT);
+ }
+ if (!extend)
+ s = e;
+ EDIT_EM_SetSel(es, s, e, FALSE);
+ EDIT_EM_ScrollCaret(es);
+}
+
+
+/*********************************************************************
+ *
+ * EDIT_PaintText
+ *
+ */
+static INT EDIT_PaintText(EDITSTATE *es, HDC dc, INT x, INT y, INT line, INT col, INT count, BOOL rev)
+{
+ COLORREF BkColor;
+ COLORREF TextColor;
+ LOGFONTW underline_font;
+ HFONT hUnderline = 0;
+ HFONT old_font = 0;
+ INT ret;
+ INT li;
+ INT BkMode;
+ SIZE size;
+
+ if (!count)
+ return 0;
+ BkMode = GetBkMode(dc);
+ BkColor = GetBkColor(dc);
+ TextColor = GetTextColor(dc);
+ if (rev) {
+ if (es->composition_len == 0)
+ {
+ SetBkColor(dc, GetSysColor(COLOR_HIGHLIGHT));
+ SetTextColor(dc, GetSysColor(COLOR_HIGHLIGHTTEXT));
+ SetBkMode( dc, OPAQUE);
+ }
+ else
+ {
+ HFONT current = GetCurrentObject(dc,OBJ_FONT);
+ GetObjectW(current,sizeof(LOGFONTW),&underline_font);
+ underline_font.lfUnderline = TRUE;
+ hUnderline = CreateFontIndirectW(&underline_font);
+ old_font = SelectObject(dc,hUnderline);
+ }
+ }
+ li = EDIT_EM_LineIndex(es, line);
+ if (es->style & ES_MULTILINE) {
+ ret = (INT)LOWORD(TabbedTextOutW(dc, x, y, es->text + li + col, count,
+ es->tabs_count, es->tabs, es->format_rect.left - es->x_offset));
+ } else {
+ TextOutW(dc, x, y, es->text + li + col, count);
+ GetTextExtentPoint32W(dc, es->text + li + col, count, &size);
+ ret = size.cx;
+ }
+ if (rev) {
+ if (es->composition_len == 0)
+ {
+ SetBkColor(dc, BkColor);
+ SetTextColor(dc, TextColor);
+ SetBkMode( dc, BkMode);
+ }
+ else
+ {
+ if (old_font)
+ SelectObject(dc,old_font);
+ if (hUnderline)
+ DeleteObject(hUnderline);
+ }
+ }
+ return ret;
+}
+
+
+/*********************************************************************
+ *
+ * EDIT_PaintLine
+ *
+ */
+static void EDIT_PaintLine(EDITSTATE *es, HDC dc, INT line, BOOL rev)
+{
+ INT s = 0;
+ INT e = 0;
+ INT li = 0;
+ INT ll = 0;
+ INT x;
+ INT y;
+ LRESULT pos;
+ SCRIPT_STRING_ANALYSIS ssa;
+
+ if (es->style & ES_MULTILINE) {
+ INT vlc = get_vertical_line_count(es);
+
+ if ((line < es->y_offset) || (line > es->y_offset + vlc) || (line >= es->line_count))
+ return;
+ } else if (line)
+ return;
+
+ TRACE("line=%d\n", line);
+
+ ssa = EDIT_UpdateUniscribeData(es, dc, line);
+ pos = EDIT_EM_PosFromChar(es, EDIT_EM_LineIndex(es, line), FALSE);
+ x = (short)LOWORD(pos);
+ y = (short)HIWORD(pos);
+
+ if (es->style & ES_MULTILINE)
+ {
+ int line_idx = line;
+ x = -es->x_offset;
+ if (es->style & ES_RIGHT || es->style & ES_CENTER)
+ {
+ LINEDEF *line_def = es->first_line_def;
+ int w, lw;
+
+ while (line_def && line_idx)
+ {
+ line_def = line_def->next;
+ line_idx--;
+ }
+ w = es->format_rect.right - es->format_rect.left;
+ lw = line_def->width;
+
+ if (es->style & ES_RIGHT)
+ x = w - (lw - x);
+ else if (es->style & ES_CENTER)
+ x += (w - lw) / 2;
+ }
+ x += es->format_rect.left;
+ }
+
+ if (rev)
+ {
+ li = EDIT_EM_LineIndex(es, line);
+ ll = EDIT_EM_LineLength(es, li);
+ s = min(es->selection_start, es->selection_end);
+ e = max(es->selection_start, es->selection_end);
+ s = min(li + ll, max(li, s));
+ e = min(li + ll, max(li, e));
+ }
+
+ if (ssa)
+ ScriptStringOut(ssa, x, y, 0, &es->format_rect, s - li, e - li, FALSE);
+ else if (rev && (s != e) &&
+ ((es->flags & EF_FOCUSED) || (es->style & ES_NOHIDESEL))) {
+ x += EDIT_PaintText(es, dc, x, y, line, 0, s - li, FALSE);
+ x += EDIT_PaintText(es, dc, x, y, line, s - li, e - s, TRUE);
+ x += EDIT_PaintText(es, dc, x, y, line, e - li, li + ll - e, FALSE);
+ } else
+ x += EDIT_PaintText(es, dc, x, y, line, 0, ll, FALSE);
+}
+
+
+/*********************************************************************
+ *
+ * EDIT_AdjustFormatRect
+ *
+ * Adjusts the format rectangle for the current font and the
+ * current client rectangle.
+ *
+ */
+static void EDIT_AdjustFormatRect(EDITSTATE *es)
+{
+ RECT ClientRect;
+
+ es->format_rect.right = max(es->format_rect.right, es->format_rect.left + es->char_width);
+ if (es->style & ES_MULTILINE)
+ {
+ INT fw, vlc, max_x_offset, max_y_offset;
+
+ vlc = get_vertical_line_count(es);
+ es->format_rect.bottom = es->format_rect.top + vlc * es->line_height;
+
+ /* correct es->x_offset */
+ fw = es->format_rect.right - es->format_rect.left;
+ max_x_offset = es->text_width - fw;
+ if(max_x_offset < 0) max_x_offset = 0;
+ if(es->x_offset > max_x_offset)
+ es->x_offset = max_x_offset;
+
+ /* correct es->y_offset */
+ max_y_offset = es->line_count - vlc;
+ if(max_y_offset < 0) max_y_offset = 0;
+ if(es->y_offset > max_y_offset)
+ es->y_offset = max_y_offset;
+
+ /* force scroll info update */
+ EDIT_UpdateScrollInfo(es);
+ }
+ else
+ /* Windows doesn't care to fix text placement for SL controls */
+ es->format_rect.bottom = es->format_rect.top + es->line_height;
+
+ /* Always stay within the client area */
+ GetClientRect(es->hwndSelf, &ClientRect);
+ es->format_rect.bottom = min(es->format_rect.bottom, ClientRect.bottom);
+
+ if ((es->style & ES_MULTILINE) && !(es->style & ES_AUTOHSCROLL))
+ EDIT_BuildLineDefs_ML(es, 0, get_text_length(es), 0, NULL);
+
+ EDIT_SetCaretPos(es, es->selection_end, es->flags & EF_AFTER_WRAP);
+}
+
+
+/*********************************************************************
+ *
+ * EDIT_SetRectNP
+ *
+ * note: this is not (exactly) the handler called on EM_SETRECTNP
+ * it is also used to set the rect of a single line control
+ *
+ */
+static void EDIT_SetRectNP(EDITSTATE *es, const RECT *rc)
+{
+ LONG_PTR ExStyle;
+ INT bw, bh;
+ ExStyle = GetWindowLongPtrW(es->hwndSelf, GWL_EXSTYLE);
+
+ CopyRect(&es->format_rect, rc);
+
+ if (ExStyle & WS_EX_CLIENTEDGE) {
+ es->format_rect.left++;
+ es->format_rect.right--;
+
+ if (es->format_rect.bottom - es->format_rect.top
+ >= es->line_height + 2)
+ {
+ es->format_rect.top++;
+ es->format_rect.bottom--;
+ }
+ }
+ else if (es->style & WS_BORDER) {
+ bw = GetSystemMetrics(SM_CXBORDER) + 1;
+ bh = GetSystemMetrics(SM_CYBORDER) + 1;
+ InflateRect(&es->format_rect, -bw, 0);
+ if (es->format_rect.bottom - es->format_rect.top >= es->line_height + 2 * bh)
+ InflateRect(&es->format_rect, 0, -bh);
+ }
+
+ es->format_rect.left += es->left_margin;
+ es->format_rect.right -= es->right_margin;
+ EDIT_AdjustFormatRect(es);
+}
+
+
+/*********************************************************************
+ *
+ * EM_CHARFROMPOS
+ *
+ * returns line number (not index) in high-order word of result.
+ * NB : Q137805 is unclear about this. POINT * pointer in lParam apply
+ * to Richedit, not to the edit control. Original documentation is valid.
+ * FIXME: do the specs mean to return -1 if outside client area or
+ * if outside formatting rectangle ???
+ *
+ */
+static LRESULT EDIT_EM_CharFromPos(EDITSTATE *es, INT x, INT y)
+{
+ POINT pt;
+ RECT rc;
+ INT index;
+
+ pt.x = x;
+ pt.y = y;
+ GetClientRect(es->hwndSelf, &rc);
+ if (!PtInRect(&rc, pt))
+ return -1;
+
+ index = EDIT_CharFromPos(es, x, y, NULL);
+ return MAKELONG(index, EDIT_EM_LineFromChar(es, index));
+}
+
+
+/*********************************************************************
+ *
+ * EM_FMTLINES
+ *
+ * Enable or disable soft breaks.
+ *
+ * This means: insert or remove the soft linebreak character (\r\r\n).
+ * Take care to check if the text still fits the buffer after insertion.
+ * If not, notify with EN_ERRSPACE.
+ *
+ */
+static BOOL EDIT_EM_FmtLines(EDITSTATE *es, BOOL add_eol)
+{
+ es->flags &= ~EF_USE_SOFTBRK;
+ if (add_eol) {
+ es->flags |= EF_USE_SOFTBRK;
+ FIXME("soft break enabled, not implemented\n");
+ }
+ return add_eol;
+}
+
+
+/*********************************************************************
+ *
+ * EM_GETHANDLE
+ *
+ * Hopefully this won't fire back at us.
+ * We always start with a fixed buffer in the local heap.
+ * Despite of the documentation says that the local heap is used
+ * only if DS_LOCALEDIT flag is set, NT and 2000 always allocate
+ * buffer on the local heap.
+ *
+ */
+static HLOCAL EDIT_EM_GetHandle(EDITSTATE *es)
+{
+ HLOCAL hLocal;
+
+ if (!(es->style & ES_MULTILINE))
+ return 0;
+
+ if(es->is_unicode)
+ hLocal = es->hloc32W;
+ else
+ {
+ if(!es->hloc32A)
+ {
+ CHAR *textA;
+ UINT countA, alloc_size;
+ TRACE("Allocating 32-bit ANSI alias buffer\n");
+ countA = WideCharToMultiByte(CP_ACP, 0, es->text, -1, NULL, 0, NULL, NULL);
+ alloc_size = ROUND_TO_GROW(countA);
+ if(!(es->hloc32A = LocalAlloc(LMEM_MOVEABLE | LMEM_ZEROINIT, alloc_size)))
+ {
+ ERR("Could not allocate %d bytes for 32-bit ANSI alias buffer\n", alloc_size);
+ return 0;
+ }
+ textA = LocalLock(es->hloc32A);
+ WideCharToMultiByte(CP_ACP, 0, es->text, -1, textA, countA, NULL, NULL);
+ LocalUnlock(es->hloc32A);
+ }
+ hLocal = es->hloc32A;
+ }
+
+ EDIT_UnlockBuffer(es, TRUE);
+
+ /* The text buffer handle belongs to the app */
+ es->hlocapp = hLocal;
+
+ TRACE("Returning %p, LocalSize() = %ld\n", hLocal, LocalSize(hLocal));
+ return hLocal;
+}
+
+
+/*********************************************************************
+ *
+ * EM_GETLINE
+ *
+ */
+static INT EDIT_EM_GetLine(EDITSTATE *es, INT line, LPWSTR dst)
+{
+ INT line_len, dst_len;
+ LPWSTR src;
+ INT i;
+
+ if (es->style & ES_MULTILINE)
+ {
+ if (line >= es->line_count)
+ return 0;
+ }
+ else
+ line = 0;
+
+ i = EDIT_EM_LineIndex(es, line);
+ src = es->text + i;
+ line_len = EDIT_EM_LineLength(es, i);
+ dst_len = *(WORD *)dst;
+
+ if (dst_len <= line_len)
+ {
+ memcpy(dst, src, dst_len * sizeof(WCHAR));
+ return dst_len;
+ }
+ else /* Append 0 if enough space */
+ {
+ memcpy(dst, src, line_len * sizeof(WCHAR));
+ dst[line_len] = 0;
+ return line_len;
+ }
+}
+
+
+/*********************************************************************
+ *
+ * EM_GETSEL
+ *
+ */
+static LRESULT EDIT_EM_GetSel(const EDITSTATE *es, PUINT start, PUINT end)
+{
+ UINT s = es->selection_start;
+ UINT e = es->selection_end;
+
+ ORDER_UINT(s, e);
+ if (start)
+ *start = s;
+ if (end)
+ *end = e;
+ return MAKELONG(s, e);
+}
+
+
+/*********************************************************************
+ *
+ * EM_REPLACESEL
+ *
+ * FIXME: handle ES_NUMBER and ES_OEMCONVERT here
+ *
+ */
+static void EDIT_EM_ReplaceSel(EDITSTATE *es, BOOL can_undo, const WCHAR *lpsz_replace, UINT strl,
+ BOOL send_update, BOOL honor_limit)
+{
+ UINT tl = get_text_length(es);
+ UINT utl;
+ UINT s;
+ UINT e;
+ UINT i;
+ UINT size;
+ LPWSTR p;
+ HRGN hrgn = 0;
+ LPWSTR buf = NULL;
+ UINT bufl;
+
+ TRACE("%s, can_undo %d, send_update %d\n",
+ debugstr_w(lpsz_replace), can_undo, send_update);
+
+ s = es->selection_start;
+ e = es->selection_end;
+
+ EDIT_InvalidateUniscribeData(es);
+ if ((s == e) && !strl)
+ return;
+
+ ORDER_UINT(s, e);
+
+ size = tl - (e - s) + strl;
+ if (!size)
+ es->text_width = 0;
+
+ /* Issue the EN_MAXTEXT notification and continue with replacing text
+ * so that buffer limit is honored. */
+ if ((honor_limit) && (size > es->buffer_limit)) {
+ EDIT_NOTIFY_PARENT(es, EN_MAXTEXT);
+ /* Buffer limit can be smaller than the actual length of text in combobox */
+ if (es->buffer_limit < (tl - (e-s)))
+ strl = 0;
+ else
+ strl = min(strl, es->buffer_limit - (tl - (e-s)));
+ }
+
+ if (!EDIT_MakeFit(es, tl - (e - s) + strl))
+ return;
+
+ if (e != s) {
+ /* there is something to be deleted */
+ TRACE("deleting stuff.\n");
+ bufl = e - s;
+ buf = HeapAlloc(GetProcessHeap(), 0, (bufl + 1) * sizeof(WCHAR));
+ if (!buf) return;
+ memcpy(buf, es->text + s, bufl * sizeof(WCHAR));
+ buf[bufl] = 0; /* ensure 0 termination */
+ /* now delete */
+ strcpyW(es->text + s, es->text + e);
+ text_buffer_changed(es);
+ }
+ if (strl) {
+ /* there is an insertion */
+ tl = get_text_length(es);
+ TRACE("inserting stuff (tl %d, strl %d, selstart %d (%s), text %s)\n", tl, strl, s, debugstr_w(es->text + s), debugstr_w(es->text));
+ for (p = es->text + tl ; p >= es->text + s ; p--)
+ p[strl] = p[0];
+ for (i = 0 , p = es->text + s ; i < strl ; i++)
+ p[i] = lpsz_replace[i];
+ if(es->style & ES_UPPERCASE)
+ CharUpperBuffW(p, strl);
+ else if(es->style & ES_LOWERCASE)
+ CharLowerBuffW(p, strl);
+ text_buffer_changed(es);
+ }
+ if (es->style & ES_MULTILINE)
+ {
+ INT st = min(es->selection_start, es->selection_end);
+ INT vlc = get_vertical_line_count(es);
+
+ hrgn = CreateRectRgn(0, 0, 0, 0);
+ EDIT_BuildLineDefs_ML(es, st, st + strl,
+ strl - abs(es->selection_end - es->selection_start), hrgn);
+ /* if text is too long undo all changes */
+ if (honor_limit && !(es->style & ES_AUTOVSCROLL) && (es->line_count > vlc)) {
+ if (strl)
+ strcpyW(es->text + e, es->text + e + strl);
+ if (e != s)
+ for (i = 0 , p = es->text ; i < e - s ; i++)
+ p[i + s] = buf[i];
+ text_buffer_changed(es);
+ EDIT_BuildLineDefs_ML(es, s, e,
+ abs(es->selection_end - es->selection_start) - strl, hrgn);
+ strl = 0;
+ e = s;
+ hrgn = CreateRectRgn(0, 0, 0, 0);
+ EDIT_NOTIFY_PARENT(es, EN_MAXTEXT);
+ }
+ }
+ else {
+ INT fw = es->format_rect.right - es->format_rect.left;
+ EDIT_InvalidateUniscribeData(es);
+ EDIT_CalcLineWidth_SL(es);
+ /* remove chars that don't fit */
+ if (honor_limit && !(es->style & ES_AUTOHSCROLL) && (es->text_width > fw)) {
+ while ((es->text_width > fw) && s + strl >= s) {
+ strcpyW(es->text + s + strl - 1, es->text + s + strl);
+ strl--;
+ es->text_length = -1;
+ EDIT_InvalidateUniscribeData(es);
+ EDIT_CalcLineWidth_SL(es);
+ }
+ text_buffer_changed(es);
+ EDIT_NOTIFY_PARENT(es, EN_MAXTEXT);
+ }
+ }
+
+ if (e != s) {
+ if (can_undo) {
+ utl = strlenW(es->undo_text);
+ if (!es->undo_insert_count && (*es->undo_text && (s == es->undo_position))) {
+ /* undo-buffer is extended to the right */
+ EDIT_MakeUndoFit(es, utl + e - s);
+ memcpy(es->undo_text + utl, buf, (e - s)*sizeof(WCHAR));
+ (es->undo_text + utl)[e - s] = 0; /* ensure 0 termination */
+ } else if (!es->undo_insert_count && (*es->undo_text && (e == es->undo_position))) {
+ /* undo-buffer is extended to the left */
+ EDIT_MakeUndoFit(es, utl + e - s);
+ for (p = es->undo_text + utl ; p >= es->undo_text ; p--)
+ p[e - s] = p[0];
+ for (i = 0 , p = es->undo_text ; i < e - s ; i++)
+ p[i] = buf[i];
+ es->undo_position = s;
+ } else {
+ /* new undo-buffer */
+ EDIT_MakeUndoFit(es, e - s);
+ memcpy(es->undo_text, buf, (e - s)*sizeof(WCHAR));
+ es->undo_text[e - s] = 0; /* ensure 0 termination */
+ es->undo_position = s;
+ }
+ /* any deletion makes the old insertion-undo invalid */
+ es->undo_insert_count = 0;
+ } else
+ EDIT_EM_EmptyUndoBuffer(es);
+ }
+ if (strl) {
+ if (can_undo) {
+ if ((s == es->undo_position) ||
+ ((es->undo_insert_count) &&
+ (s == es->undo_position + es->undo_insert_count)))
+ /*
+ * insertion is new and at delete position or
+ * an extension to either left or right
+ */
+ es->undo_insert_count += strl;
+ else {
+ /* new insertion undo */
+ es->undo_position = s;
+ es->undo_insert_count = strl;
+ /* new insertion makes old delete-buffer invalid */
+ *es->undo_text = '\0';
+ }
+ } else
+ EDIT_EM_EmptyUndoBuffer(es);
+ }
+
+ HeapFree(GetProcessHeap(), 0, buf);
+
+ s += strl;
+
+ /* If text has been deleted and we're right or center aligned then scroll rightward */
+ if (es->style & (ES_RIGHT | ES_CENTER))
+ {
+ INT delta = strl - abs(es->selection_end - es->selection_start);
+
+ if (delta < 0 && es->x_offset)
+ {
+ if (abs(delta) > es->x_offset)
+ es->x_offset = 0;
+ else
+ es->x_offset += delta;
+ }
+ }
+
+ EDIT_EM_SetSel(es, s, s, FALSE);
+ es->flags |= EF_MODIFIED;
+ if (send_update) es->flags |= EF_UPDATE;
+ if (hrgn)
+ {
+ EDIT_UpdateTextRegion(es, hrgn, TRUE);
+ DeleteObject(hrgn);
+ }
+ else
+ EDIT_UpdateText(es, NULL, TRUE);
+
+ EDIT_EM_ScrollCaret(es);
+
+ /* force scroll info update */
+ EDIT_UpdateScrollInfo(es);
+
+
+ if(send_update || (es->flags & EF_UPDATE))
+ {
+ es->flags &= ~EF_UPDATE;
+ EDIT_NOTIFY_PARENT(es, EN_CHANGE);
+ }
+ EDIT_InvalidateUniscribeData(es);
+}
+
+
+/*********************************************************************
+ *
+ * EM_SETHANDLE
+ *
+ * FIXME: ES_LOWERCASE, ES_UPPERCASE, ES_OEMCONVERT, ES_NUMBER ???
+ *
+ */
+static void EDIT_EM_SetHandle(EDITSTATE *es, HLOCAL hloc)
+{
+ if (!(es->style & ES_MULTILINE))
+ return;
+
+ if (!hloc)
+ return;
+
+ EDIT_UnlockBuffer(es, TRUE);
+
+ if(es->is_unicode)
+ {
+ if(es->hloc32A)
+ {
+ LocalFree(es->hloc32A);
+ es->hloc32A = NULL;
+ }
+ es->hloc32W = hloc;
+ }
+ else
+ {
+ INT countW, countA;
+ HLOCAL hloc32W_new;
+ WCHAR *textW;
+ CHAR *textA;
+
+ countA = LocalSize(hloc);
+ textA = LocalLock(hloc);
+ countW = MultiByteToWideChar(CP_ACP, 0, textA, countA, NULL, 0);
+ if(!(hloc32W_new = LocalAlloc(LMEM_MOVEABLE | LMEM_ZEROINIT, countW * sizeof(WCHAR))))
+ {
+ ERR("Could not allocate new unicode buffer\n");
+ return;
+ }
+ textW = LocalLock(hloc32W_new);
+ MultiByteToWideChar(CP_ACP, 0, textA, countA, textW, countW);
+ LocalUnlock(hloc32W_new);
+ LocalUnlock(hloc);
+
+ if(es->hloc32W)
+ LocalFree(es->hloc32W);
+
+ es->hloc32W = hloc32W_new;
+ es->hloc32A = hloc;
+ }
+
+ es->buffer_size = LocalSize(es->hloc32W)/sizeof(WCHAR) - 1;
+
+ /* The text buffer handle belongs to the control */
+ es->hlocapp = NULL;
+
+ EDIT_LockBuffer(es);
+ text_buffer_changed(es);
+
+ es->x_offset = es->y_offset = 0;
+ es->selection_start = es->selection_end = 0;
+ EDIT_EM_EmptyUndoBuffer(es);
+ es->flags &= ~EF_MODIFIED;
+ es->flags &= ~EF_UPDATE;
+ EDIT_BuildLineDefs_ML(es, 0, get_text_length(es), 0, NULL);
+ EDIT_UpdateText(es, NULL, TRUE);
+ EDIT_EM_ScrollCaret(es);
+ /* force scroll info update */
+ EDIT_UpdateScrollInfo(es);
+}
+
+
+/*********************************************************************
+ *
+ * EM_SETLIMITTEXT
+ *
+ * NOTE: this version currently implements WinNT limits
+ *
+ */
+static void EDIT_EM_SetLimitText(EDITSTATE *es, UINT limit)
+{
+ if (!limit) limit = ~0u;
+ if (!(es->style & ES_MULTILINE)) limit = min(limit, 0x7ffffffe);
+ es->buffer_limit = limit;
+}
+
+
+/*********************************************************************
+ *
+ * EM_SETMARGINS
+ *
+ * EC_USEFONTINFO is used as a left or right value i.e. lParam and not as an
+ * action wParam despite what the docs say. EC_USEFONTINFO calculates the
+ * margin according to the textmetrics of the current font.
+ *
+ * When EC_USEFONTINFO is used in the non_cjk case the margins only
+ * change if the edit control is equal to or larger than a certain
+ * size. Though there is an exception for the empty client rect case
+ * with small font sizes.
+ */
+static BOOL is_cjk(UINT charset)
+{
+ switch(charset)
+ {
+ case SHIFTJIS_CHARSET:
+ case HANGUL_CHARSET:
+ case GB2312_CHARSET:
+ case CHINESEBIG5_CHARSET:
+ return TRUE;
+ }
+ /* HANGUL_CHARSET is strange, though treated as CJK by Win 8, it is
+ * not by other versions including Win 10. */
+ return FALSE;
+}
+
+static void EDIT_EM_SetMargins(EDITSTATE *es, INT action,
+ WORD left, WORD right, BOOL repaint)
+{
+ TEXTMETRICW tm;
+ INT default_left_margin = 0; /* in pixels */
+ INT default_right_margin = 0; /* in pixels */
+
+ /* Set the default margins depending on the font */
+ if (es->font && (left == EC_USEFONTINFO || right == EC_USEFONTINFO)) {
+ HDC dc = GetDC(es->hwndSelf);
+ HFONT old_font = SelectObject(dc, es->font);
+ LONG width = GdiGetCharDimensions(dc, &tm, NULL);
+ RECT rc;
+
+ /* The default margins are only non zero for TrueType or Vector fonts */
+ if (tm.tmPitchAndFamily & ( TMPF_VECTOR | TMPF_TRUETYPE )) {
+ if (!is_cjk(tm.tmCharSet)) {
+ default_left_margin = width / 2;
+ default_right_margin = width / 2;
+
+ GetClientRect(es->hwndSelf, &rc);
+ if (rc.right - rc.left < (width / 2 + width) * 2 &&
+ (width >= 28 || !IsRectEmpty(&rc)) ) {
+ default_left_margin = es->left_margin;
+ default_right_margin = es->right_margin;
+ }
+ } else {
+ /* FIXME: figure out the CJK values. They are not affected by the client rect. */
+ default_left_margin = width / 2;
+ default_right_margin = width / 2;
+ }
+ }
+ SelectObject(dc, old_font);
+ ReleaseDC(es->hwndSelf, dc);
+ }
+
+ if (action & EC_LEFTMARGIN) {
+ es->format_rect.left -= es->left_margin;
+ if (left != EC_USEFONTINFO)
+ es->left_margin = left;
+ else
+ es->left_margin = default_left_margin;
+ es->format_rect.left += es->left_margin;
+ }
+
+ if (action & EC_RIGHTMARGIN) {
+ es->format_rect.right += es->right_margin;
+ if (right != EC_USEFONTINFO)
+ es->right_margin = right;
+ else
+ es->right_margin = default_right_margin;
+ es->format_rect.right -= es->right_margin;
+ }
+
+ if (action & (EC_LEFTMARGIN | EC_RIGHTMARGIN)) {
+ EDIT_AdjustFormatRect(es);
+ if (repaint) EDIT_UpdateText(es, NULL, TRUE);
+ }
+
+ TRACE("left=%d, right=%d\n", es->left_margin, es->right_margin);
+}
+
+
+/*********************************************************************
+ *
+ * EM_SETPASSWORDCHAR
+ *
+ */
+static void EDIT_EM_SetPasswordChar(EDITSTATE *es, WCHAR c)
+{
+ LONG style;
+
+ if (es->style & ES_MULTILINE)
+ return;
+
+ if (es->password_char == c)
+ return;
+
+ style = GetWindowLongW( es->hwndSelf, GWL_STYLE );
+ es->password_char = c;
+ if (c) {
+ SetWindowLongW( es->hwndSelf, GWL_STYLE, style | ES_PASSWORD );
+ es->style |= ES_PASSWORD;
+ } else {
+ SetWindowLongW( es->hwndSelf, GWL_STYLE, style & ~ES_PASSWORD );
+ es->style &= ~ES_PASSWORD;
+ }
+ EDIT_InvalidateUniscribeData(es);
+ EDIT_UpdateText(es, NULL, TRUE);
+}
+
+
+/*********************************************************************
+ *
+ * EM_SETTABSTOPS
+ *
+ */
+static BOOL EDIT_EM_SetTabStops(EDITSTATE *es, INT count, const INT *tabs)
+{
+ if (!(es->style & ES_MULTILINE))
+ return FALSE;
+ HeapFree(GetProcessHeap(), 0, es->tabs);
+ es->tabs_count = count;
+ if (!count)
+ es->tabs = NULL;
+ else {
+ es->tabs = HeapAlloc(GetProcessHeap(), 0, count * sizeof(INT));
+ memcpy(es->tabs, tabs, count * sizeof(INT));
+ }
+ EDIT_InvalidateUniscribeData(es);
+ return TRUE;
+}
+
+
+/*********************************************************************
+ *
+ * EM_SETWORDBREAKPROC
+ *
+ */
+static void EDIT_EM_SetWordBreakProc(EDITSTATE *es, void *wbp)
+{
+ if (es->word_break_proc == wbp)
+ return;
+
+ es->word_break_proc = wbp;
+
+ if ((es->style & ES_MULTILINE) && !(es->style & ES_AUTOHSCROLL)) {
+ EDIT_BuildLineDefs_ML(es, 0, get_text_length(es), 0, NULL);
+ EDIT_UpdateText(es, NULL, TRUE);
+ }
+}
+
+
+/*********************************************************************
+ *
+ * EM_UNDO / WM_UNDO
+ *
+ */
+static BOOL EDIT_EM_Undo(EDITSTATE *es)
+{
+ INT ulength;
+ LPWSTR utext;
+
+ /* As per MSDN spec, for a single-line edit control,
+ the return value is always TRUE */
+ if( es->style & ES_READONLY )
+ return !(es->style & ES_MULTILINE);
+
+ ulength = strlenW(es->undo_text);
+
+ utext = HeapAlloc(GetProcessHeap(), 0, (ulength + 1) * sizeof(WCHAR));
+
+ strcpyW(utext, es->undo_text);
+
+ TRACE("before UNDO:insertion length = %d, deletion buffer = %s\n",
+ es->undo_insert_count, debugstr_w(utext));
+
+ EDIT_EM_SetSel(es, es->undo_position, es->undo_position + es->undo_insert_count, FALSE);
+ EDIT_EM_EmptyUndoBuffer(es);
+ EDIT_EM_ReplaceSel(es, TRUE, utext, ulength, TRUE, TRUE);
+ EDIT_EM_SetSel(es, es->undo_position, es->undo_position + es->undo_insert_count, FALSE);
+ /* send the notification after the selection start and end are set */
+ EDIT_NOTIFY_PARENT(es, EN_CHANGE);
+ EDIT_EM_ScrollCaret(es);
+ HeapFree(GetProcessHeap(), 0, utext);
+
+ TRACE("after UNDO:insertion length = %d, deletion buffer = %s\n",
+ es->undo_insert_count, debugstr_w(es->undo_text));
+ return TRUE;
+}
+
+
+/* Helper function for WM_CHAR
+ *
+ * According to an MSDN blog article titled "Just because you're a control
+ * doesn't mean that you're necessarily inside a dialog box," multiline edit
+ * controls without ES_WANTRETURN would attempt to detect whether it is inside
+ * a dialog box or not.
+ */
+static inline BOOL EDIT_IsInsideDialog(EDITSTATE *es)
+{
+ return (es->flags & EF_DIALOGMODE);
+}
+
+
+/*********************************************************************
+ *
+ * WM_PASTE
+ *
+ */
+static void EDIT_WM_Paste(EDITSTATE *es)
+{
+ HGLOBAL hsrc;
+ LPWSTR src, ptr;
+ int len;
+
+ /* Protect read-only edit control from modification */
+ if(es->style & ES_READONLY)
+ return;
+
+ OpenClipboard(es->hwndSelf);
+ if ((hsrc = GetClipboardData(CF_UNICODETEXT))) {
+ src = GlobalLock(hsrc);
+ len = strlenW(src);
+ /* Protect single-line edit against pasting new line character */
+ if (!(es->style & ES_MULTILINE) && ((ptr = strchrW(src, '\n')))) {
+ len = ptr - src;
+ if (len && src[len - 1] == '\r')
+ --len;
+ }
+ EDIT_EM_ReplaceSel(es, TRUE, src, len, TRUE, TRUE);
+ GlobalUnlock(hsrc);
+ }
+ else if (es->style & ES_PASSWORD) {
+ /* clear selected text in password edit box even with empty clipboard */
+ EDIT_EM_ReplaceSel(es, TRUE, NULL, 0, TRUE, TRUE);
+ }
+ CloseClipboard();
+}
+
+
+/*********************************************************************
+ *
+ * WM_COPY
+ *
+ */
+static void EDIT_WM_Copy(EDITSTATE *es)
+{
+ INT s = min(es->selection_start, es->selection_end);
+ INT e = max(es->selection_start, es->selection_end);
+ HGLOBAL hdst;
+ LPWSTR dst;
+ DWORD len;
+
+ if (e == s) return;
+
+ len = e - s;
+ hdst = GlobalAlloc(GMEM_MOVEABLE | GMEM_DDESHARE, (len + 1) * sizeof(WCHAR));
+ dst = GlobalLock(hdst);
+ memcpy(dst, es->text + s, len * sizeof(WCHAR));
+ dst[len] = 0; /* ensure 0 termination */
+ TRACE("%s\n", debugstr_w(dst));
+ GlobalUnlock(hdst);
+ OpenClipboard(es->hwndSelf);
+ EmptyClipboard();
+ SetClipboardData(CF_UNICODETEXT, hdst);
+ CloseClipboard();
+}
+
+
+/*********************************************************************
+ *
+ * WM_CLEAR
+ *
+ */
+static inline void EDIT_WM_Clear(EDITSTATE *es)
+{
+ /* Protect read-only edit control from modification */
+ if(es->style & ES_READONLY)
+ return;
+
+ EDIT_EM_ReplaceSel(es, TRUE, NULL, 0, TRUE, TRUE);
+}
+
+
+/*********************************************************************
+ *
+ * WM_CUT
+ *
+ */
+static inline void EDIT_WM_Cut(EDITSTATE *es)
+{
+ EDIT_WM_Copy(es);
+ EDIT_WM_Clear(es);
+}
+
+
+/*********************************************************************
+ *
+ * WM_CHAR
+ *
+ */
+static LRESULT EDIT_WM_Char(EDITSTATE *es, WCHAR c)
+{
+ BOOL control;
+
+ control = GetKeyState(VK_CONTROL) & 0x8000;
+
+ switch (c) {
+ case '\r':
+ /* If it's not a multiline edit box, it would be ignored below.
+ * For multiline edit without ES_WANTRETURN, we have to make a
+ * special case.
+ */
+ if ((es->style & ES_MULTILINE) && !(es->style & ES_WANTRETURN))
+ if (EDIT_IsInsideDialog(es))
+ break;
+ case '\n':
+ if (es->style & ES_MULTILINE) {
+ if (es->style & ES_READONLY) {
+ EDIT_MoveHome(es, FALSE, FALSE);
+ EDIT_MoveDown_ML(es, FALSE);
+ } else {
+ static const WCHAR cr_lfW[] = {'\r','\n'};
+ EDIT_EM_ReplaceSel(es, TRUE, cr_lfW, 2, TRUE, TRUE);
+ }
+ }
+ break;
+ case '\t':
+ if ((es->style & ES_MULTILINE) && !(es->style & ES_READONLY))
+ {
+ static const WCHAR tabW[] = {'\t'};
+ if (EDIT_IsInsideDialog(es))
+ break;
+ EDIT_EM_ReplaceSel(es, TRUE, tabW, 1, TRUE, TRUE);
+ }
+ break;
+ case VK_BACK:
+ if (!(es->style & ES_READONLY) && !control) {
+ if (es->selection_start != es->selection_end)
+ EDIT_WM_Clear(es);
+ else {
+ /* delete character left of caret */
+ EDIT_EM_SetSel(es, (UINT)-1, 0, FALSE);
+ EDIT_MoveBackward(es, TRUE);
+ EDIT_WM_Clear(es);
+ }
+ }
+ break;
+ case 0x03: /* ^C */
+ if (!(es->style & ES_PASSWORD))
+ SendMessageW(es->hwndSelf, WM_COPY, 0, 0);
+ break;
+ case 0x16: /* ^V */
+ if (!(es->style & ES_READONLY))
+ SendMessageW(es->hwndSelf, WM_PASTE, 0, 0);
+ break;
+ case 0x18: /* ^X */
+ if (!((es->style & ES_READONLY) || (es->style & ES_PASSWORD)))
+ SendMessageW(es->hwndSelf, WM_CUT, 0, 0);
+ break;
+ case 0x1A: /* ^Z */
+ if (!(es->style & ES_READONLY))
+ SendMessageW(es->hwndSelf, WM_UNDO, 0, 0);
+ break;
+
+ default:
+ /*If Edit control style is ES_NUMBER allow users to key in only numeric values*/
+ if( (es->style & ES_NUMBER) && !( c >= '0' && c <= '9') )
+ break;
+
+ if (!(es->style & ES_READONLY) && (c >= ' ') && (c != 127))
+ EDIT_EM_ReplaceSel(es, TRUE, &c, 1, TRUE, TRUE);
+ break;
+ }
+ return 1;
+}
+
+
+/*********************************************************************
+ *
+ * EDIT_ContextMenuCommand
+ *
+ */
+static void EDIT_ContextMenuCommand(EDITSTATE *es, UINT id)
+{
+ switch (id) {
+ case EM_UNDO:
+ SendMessageW(es->hwndSelf, WM_UNDO, 0, 0);
+ break;
+ case WM_CUT:
+ SendMessageW(es->hwndSelf, WM_CUT, 0, 0);
+ break;
+ case WM_COPY:
+ SendMessageW(es->hwndSelf, WM_COPY, 0, 0);
+ break;
+ case WM_PASTE:
+ SendMessageW(es->hwndSelf, WM_PASTE, 0, 0);
+ break;
+ case WM_CLEAR:
+ SendMessageW(es->hwndSelf, WM_CLEAR, 0, 0);
+ break;
+ case EM_SETSEL:
+ SendMessageW(es->hwndSelf, EM_SETSEL, 0, -1);
+ break;
+ default:
+ ERR("unknown menu item, please report\n");
+ break;
+ }
+}
+
+
+/*********************************************************************
+ *
+ * WM_CONTEXTMENU
+ *
+ * Note: the resource files resource/sysres_??.rc cannot define a
+ * single popup menu. Hence we use a (dummy) menubar
+ * containing the single popup menu as its first item.
+ *
+ * FIXME: the message identifiers have been chosen arbitrarily,
+ * hence we use MF_BYPOSITION.
+ * We might as well use the "real" values (anybody knows ?)
+ * The menu definition is in resources/sysres_??.rc.
+ * Once these are OK, we better use MF_BYCOMMAND here
+ * (as we do in EDIT_WM_Command()).
+ *
+ */
+static void EDIT_WM_ContextMenu(EDITSTATE *es, INT x, INT y)
+{
+ HMENU menu = LoadMenuA(GetModuleHandleA("user32.dll"), "EDITMENU");
+ HMENU popup = GetSubMenu(menu, 0);
+ UINT start = es->selection_start;
+ UINT end = es->selection_end;
+ UINT cmd;
+ POINT pt;
+
+ ORDER_UINT(start, end);
+
+ /* undo */
+ EnableMenuItem(popup, 0, MF_BYPOSITION | (EDIT_EM_CanUndo(es) && !(es->style & ES_READONLY) ? MF_ENABLED : MF_GRAYED));
+ /* cut */
+ EnableMenuItem(popup, 2, MF_BYPOSITION | ((end - start) && !(es->style & ES_PASSWORD) && !(es->style & ES_READONLY) ? MF_ENABLED : MF_GRAYED));
+ /* copy */
+ EnableMenuItem(popup, 3, MF_BYPOSITION | ((end - start) && !(es->style & ES_PASSWORD) ? MF_ENABLED : MF_GRAYED));
+ /* paste */
+ EnableMenuItem(popup, 4, MF_BYPOSITION | (IsClipboardFormatAvailable(CF_UNICODETEXT) && !(es->style & ES_READONLY) ? MF_ENABLED : MF_GRAYED));
+ /* delete */
+ EnableMenuItem(popup, 5, MF_BYPOSITION | ((end - start) && !(es->style & ES_READONLY) ? MF_ENABLED : MF_GRAYED));
+ /* select all */
+ EnableMenuItem(popup, 7, MF_BYPOSITION | (start || (end != get_text_length(es)) ? MF_ENABLED : MF_GRAYED));
+
+ pt.x = x;
+ pt.y = y;
+
+ if (pt.x == -1 && pt.y == -1) /* passed via VK_APPS press/release */
+ {
+ RECT rc;
+
+ /* Windows places the menu at the edit's center in this case */
+ GetClientRect(es->hwndSelf, &rc);
+ pt.x = rc.left + (rc.right - rc.left) / 2;
+ pt.y = rc.top + (rc.bottom - rc.top) / 2;
+ ClientToScreen(es->hwndSelf, &pt);
+ }
+
+ if (!(es->flags & EF_FOCUSED))
+ SetFocus(es->hwndSelf);
+
+ cmd = TrackPopupMenu(popup, TPM_LEFTALIGN | TPM_RIGHTBUTTON | TPM_RETURNCMD | TPM_NONOTIFY,
+ pt.x, pt.y, 0, es->hwndSelf, NULL);
+
+ if (cmd)
+ EDIT_ContextMenuCommand(es, cmd);
+
+ DestroyMenu(menu);
+}
+
+
+/*********************************************************************
+ *
+ * WM_GETTEXT
+ *
+ */
+static INT EDIT_WM_GetText(const EDITSTATE *es, INT count, LPWSTR dst)
+{
+ if (!count)
+ return 0;
+
+ lstrcpynW(dst, es->text, count);
+ return strlenW(dst);
+}
+
+/*********************************************************************
+ *
+ * EDIT_CheckCombo
+ *
+ */
+static BOOL EDIT_CheckCombo(EDITSTATE *es, UINT msg, INT key)
+{
+ HWND hLBox = es->hwndListBox;
+ HWND hCombo;
+ BOOL bDropped;
+ int nEUI;
+
+ if (!hLBox)
+ return FALSE;
+
+ hCombo = GetParent(es->hwndSelf);
+ bDropped = TRUE;
+ nEUI = 0;
+
+ TRACE("[%p]: handling msg %x (%x)\n", es->hwndSelf, msg, key);
+
+ if (key == VK_UP || key == VK_DOWN)
+ {
+ if (SendMessageW(hCombo, CB_GETEXTENDEDUI, 0, 0))
+ nEUI = 1;
+
+ if (msg == WM_KEYDOWN || nEUI)
+ bDropped = (BOOL)SendMessageW(hCombo, CB_GETDROPPEDSTATE, 0, 0);
+ }
+
+ switch (msg)
+ {
+ case WM_KEYDOWN:
+ if (!bDropped && nEUI && (key == VK_UP || key == VK_DOWN))
+ {
+ /* make sure ComboLBox pops up */
+ SendMessageW(hCombo, CB_SETEXTENDEDUI, FALSE, 0);
+ key = VK_F4;
+ nEUI = 2;
+ }
+
+ SendMessageW(hLBox, WM_KEYDOWN, key, 0);
+ break;
+
+ case WM_SYSKEYDOWN: /* Handle Alt+up/down arrows */
+ if (nEUI)
+ SendMessageW(hCombo, CB_SHOWDROPDOWN, !bDropped, 0);
+ else
+ SendMessageW(hLBox, WM_KEYDOWN, VK_F4, 0);
+ break;
+ }
+
+ if (nEUI == 2)
+ SendMessageW(hCombo, CB_SETEXTENDEDUI, TRUE, 0);
+
+ return TRUE;
+}
+
+
+/*********************************************************************
+ *
+ * WM_KEYDOWN
+ *
+ * Handling of special keys that don't produce a WM_CHAR
+ * (i.e. non-printable keys) & Backspace & Delete
+ *
+ */
+static LRESULT EDIT_WM_KeyDown(EDITSTATE *es, INT key)
+{
+ BOOL shift;
+ BOOL control;
+
+ if (GetKeyState(VK_MENU) & 0x8000)
+ return 0;
+
+ shift = GetKeyState(VK_SHIFT) & 0x8000;
+ control = GetKeyState(VK_CONTROL) & 0x8000;
+
+ switch (key) {
+ case VK_F4:
+ case VK_UP:
+ if (EDIT_CheckCombo(es, WM_KEYDOWN, key) || key == VK_F4)
+ break;
+
+ /* fall through */
+ case VK_LEFT:
+ if ((es->style & ES_MULTILINE) && (key == VK_UP))
+ EDIT_MoveUp_ML(es, shift);
+ else
+ if (control)
+ EDIT_MoveWordBackward(es, shift);
+ else
+ EDIT_MoveBackward(es, shift);
+ break;
+ case VK_DOWN:
+ if (EDIT_CheckCombo(es, WM_KEYDOWN, key))
+ break;
+ /* fall through */
+ case VK_RIGHT:
+ if ((es->style & ES_MULTILINE) && (key == VK_DOWN))
+ EDIT_MoveDown_ML(es, shift);
+ else if (control)
+ EDIT_MoveWordForward(es, shift);
+ else
+ EDIT_MoveForward(es, shift);
+ break;
+ case VK_HOME:
+ EDIT_MoveHome(es, shift, control);
+ break;
+ case VK_END:
+ EDIT_MoveEnd(es, shift, control);
+ break;
+ case VK_PRIOR:
+ if (es->style & ES_MULTILINE)
+ EDIT_MovePageUp_ML(es, shift);
+ else
+ EDIT_CheckCombo(es, WM_KEYDOWN, key);
+ break;
+ case VK_NEXT:
+ if (es->style & ES_MULTILINE)
+ EDIT_MovePageDown_ML(es, shift);
+ else
+ EDIT_CheckCombo(es, WM_KEYDOWN, key);
+ break;
+ case VK_DELETE:
+ if (!(es->style & ES_READONLY) && !(shift && control)) {
+ if (es->selection_start != es->selection_end) {
+ if (shift)
+ EDIT_WM_Cut(es);
+ else
+ EDIT_WM_Clear(es);
+ } else {
+ if (shift) {
+ /* delete character left of caret */
+ EDIT_EM_SetSel(es, (UINT)-1, 0, FALSE);
+ EDIT_MoveBackward(es, TRUE);
+ EDIT_WM_Clear(es);
+ } else if (control) {
+ /* delete to end of line */
+ EDIT_EM_SetSel(es, (UINT)-1, 0, FALSE);
+ EDIT_MoveEnd(es, TRUE, FALSE);
+ EDIT_WM_Clear(es);
+ } else {
+ /* delete character right of caret */
+ EDIT_EM_SetSel(es, (UINT)-1, 0, FALSE);
+ EDIT_MoveForward(es, TRUE);
+ EDIT_WM_Clear(es);
+ }
+ }
+ }
+ break;
+ case VK_INSERT:
+ if (shift) {
+ if (!(es->style & ES_READONLY))
+ EDIT_WM_Paste(es);
+ } else if (control)
+ EDIT_WM_Copy(es);
+ break;
+ case VK_RETURN:
+ /* If the edit doesn't want the return send a message to the default object */
+ if(!(es->style & ES_MULTILINE) || !(es->style & ES_WANTRETURN))
+ {
+ DWORD dw;
+
+ if (!EDIT_IsInsideDialog(es)) break;
+ if (control) break;
+ dw = SendMessageW(es->hwndParent, DM_GETDEFID, 0, 0);
+ if (HIWORD(dw) == DC_HASDEFID)
+ {
+ HWND hwDefCtrl = GetDlgItem(es->hwndParent, LOWORD(dw));
+ if (hwDefCtrl)
+ {
+ SendMessageW(es->hwndParent, WM_NEXTDLGCTL, (WPARAM)hwDefCtrl, TRUE);
+ PostMessageW(hwDefCtrl, WM_KEYDOWN, VK_RETURN, 0);
+ }
+ }
+ }
+ break;
+ case VK_ESCAPE:
+ if ((es->style & ES_MULTILINE) && EDIT_IsInsideDialog(es))
+ PostMessageW(es->hwndParent, WM_CLOSE, 0, 0);
+ break;
+ case VK_TAB:
+ if ((es->style & ES_MULTILINE) && EDIT_IsInsideDialog(es))
+ SendMessageW(es->hwndParent, WM_NEXTDLGCTL, shift, 0);
+ break;
+ }
+ return TRUE;
+}
+
+
+/*********************************************************************
+ *
+ * WM_KILLFOCUS
+ *
+ */
+static LRESULT EDIT_WM_KillFocus(EDITSTATE *es)
+{
+ es->flags &= ~EF_FOCUSED;
+ DestroyCaret();
+ if(!(es->style & ES_NOHIDESEL))
+ EDIT_InvalidateText(es, es->selection_start, es->selection_end);
+ EDIT_NOTIFY_PARENT(es, EN_KILLFOCUS);
+ /* throw away left over scroll when we lose focus */
+ es->wheelDeltaRemainder = 0;
+ return 0;
+}
+
+
+/*********************************************************************
+ *
+ * WM_LBUTTONDBLCLK
+ *
+ * The caret position has been set on the WM_LBUTTONDOWN message
+ *
+ */
+static LRESULT EDIT_WM_LButtonDblClk(EDITSTATE *es)
+{
+ INT s;
+ INT e = es->selection_end;
+ INT l;
+ INT li;
+ INT ll;
+
+ es->bCaptureState = TRUE;
+ SetCapture(es->hwndSelf);
+
+ l = EDIT_EM_LineFromChar(es, e);
+ li = EDIT_EM_LineIndex(es, l);
+ ll = EDIT_EM_LineLength(es, e);
+ s = li + EDIT_CallWordBreakProc(es, li, e - li, ll, WB_LEFT);
+ e = li + EDIT_CallWordBreakProc(es, li, e - li, ll, WB_RIGHT);
+ EDIT_EM_SetSel(es, s, e, FALSE);
+ EDIT_EM_ScrollCaret(es);
+ es->region_posx = es->region_posy = 0;
+ SetTimer(es->hwndSelf, 0, 100, NULL);
+ return 0;
+}
+
+
+/*********************************************************************
+ *
+ * WM_LBUTTONDOWN
+ *
+ */
+static LRESULT EDIT_WM_LButtonDown(EDITSTATE *es, DWORD keys, INT x, INT y)
+{
+ INT e;
+ BOOL after_wrap;
+
+ es->bCaptureState = TRUE;
+ SetCapture(es->hwndSelf);
+ EDIT_ConfinePoint(es, &x, &y);
+ e = EDIT_CharFromPos(es, x, y, &after_wrap);
+ EDIT_EM_SetSel(es, (keys & MK_SHIFT) ? es->selection_start : e, e, after_wrap);
+ EDIT_EM_ScrollCaret(es);
+ es->region_posx = es->region_posy = 0;
+ SetTimer(es->hwndSelf, 0, 100, NULL);
+
+ if (!(es->flags & EF_FOCUSED))
+ SetFocus(es->hwndSelf);
+
+ return 0;
+}
+
+
+/*********************************************************************
+ *
+ * WM_LBUTTONUP
+ *
+ */
+static LRESULT EDIT_WM_LButtonUp(EDITSTATE *es)
+{
+ if (es->bCaptureState) {
+ KillTimer(es->hwndSelf, 0);
+ if (GetCapture() == es->hwndSelf) ReleaseCapture();
+ }
+ es->bCaptureState = FALSE;
+ return 0;
+}
+
+
+/*********************************************************************
+ *
+ * WM_MBUTTONDOWN
+ *
+ */
+static LRESULT EDIT_WM_MButtonDown(EDITSTATE *es)
+{
+ SendMessageW(es->hwndSelf, WM_PASTE, 0, 0);
+ return 0;
+}
+
+
+/*********************************************************************
+ *
+ * WM_MOUSEMOVE
+ *
+ */
+static LRESULT EDIT_WM_MouseMove(EDITSTATE *es, INT x, INT y)
+{
+ INT e;
+ BOOL after_wrap;
+ INT prex, prey;
+
+ /* If the mouse has been captured by process other than the edit control itself,
+ * the windows edit controls will not select the strings with mouse move.
+ */
+ if (!es->bCaptureState || GetCapture() != es->hwndSelf)
+ return 0;
+
+ /*
+ * FIXME: gotta do some scrolling if outside client
+ * area. Maybe reset the timer ?
+ */
+ prex = x; prey = y;
+ EDIT_ConfinePoint(es, &x, &y);
+ es->region_posx = (prex < x) ? -1 : ((prex > x) ? 1 : 0);
+ es->region_posy = (prey < y) ? -1 : ((prey > y) ? 1 : 0);
+ e = EDIT_CharFromPos(es, x, y, &after_wrap);
+ EDIT_EM_SetSel(es, es->selection_start, e, after_wrap);
+ EDIT_SetCaretPos(es,es->selection_end,es->flags & EF_AFTER_WRAP);
+ return 0;
+}
+
+
+/*********************************************************************
+ *
+ * WM_PAINT
+ *
+ */
+static void EDIT_WM_Paint(EDITSTATE *es, HDC hdc)
+{
+ PAINTSTRUCT ps;
+ INT i;
+ HDC dc;
+ HFONT old_font = 0;
+ RECT rc;
+ RECT rcClient;
+ RECT rcLine;
+ RECT rcRgn;
+ HBRUSH brush;
+ HBRUSH old_brush;
+ INT bw, bh;
+ BOOL rev = es->bEnableState &&
+ ((es->flags & EF_FOCUSED) ||
+ (es->style & ES_NOHIDESEL));
+ dc = hdc ? hdc : BeginPaint(es->hwndSelf, &ps);
+
+ /* The dc we use for calculating may not be the one we paint into.
+ This is the safest action. */
+ EDIT_InvalidateUniscribeData(es);
+ GetClientRect(es->hwndSelf, &rcClient);
+
+ /* get the background brush */
+ brush = EDIT_NotifyCtlColor(es, dc);
+
+ /* paint the border and the background */
+ IntersectClipRect(dc, rcClient.left, rcClient.top, rcClient.right, rcClient.bottom);
+
+ if(es->style & WS_BORDER) {
+ bw = GetSystemMetrics(SM_CXBORDER);
+ bh = GetSystemMetrics(SM_CYBORDER);
+ rc = rcClient;
+ if(es->style & ES_MULTILINE) {
+ if(es->style & WS_HSCROLL) rc.bottom+=bh;
+ if(es->style & WS_VSCROLL) rc.right+=bw;
+ }
+
+ /* Draw the frame. Same code as in nonclient.c */
+ old_brush = SelectObject(dc, GetSysColorBrush(COLOR_WINDOWFRAME));
+ PatBlt(dc, rc.left, rc.top, rc.right - rc.left, bh, PATCOPY);
+ PatBlt(dc, rc.left, rc.top, bw, rc.bottom - rc.top, PATCOPY);
+ PatBlt(dc, rc.left, rc.bottom - 1, rc.right - rc.left, -bw, PATCOPY);
+ PatBlt(dc, rc.right - 1, rc.top, -bw, rc.bottom - rc.top, PATCOPY);
+ SelectObject(dc, old_brush);
+
+ /* Keep the border clean */
+ IntersectClipRect(dc, rc.left+bw, rc.top+bh,
+ max(rc.right-bw, rc.left+bw), max(rc.bottom-bh, rc.top+bh));
+ }
+
+ GetClipBox(dc, &rc);
+ FillRect(dc, &rc, brush);
+
+ IntersectClipRect(dc, es->format_rect.left,
+ es->format_rect.top,
+ es->format_rect.right,
+ es->format_rect.bottom);
+ if (es->style & ES_MULTILINE) {
+ rc = rcClient;
+ IntersectClipRect(dc, rc.left, rc.top, rc.right, rc.bottom);
+ }
+ if (es->font)
+ old_font = SelectObject(dc, es->font);
+
+ if (!es->bEnableState)
+ SetTextColor(dc, GetSysColor(COLOR_GRAYTEXT));
+ GetClipBox(dc, &rcRgn);
+ if (es->style & ES_MULTILINE) {
+ INT vlc = get_vertical_line_count(es);
+ for (i = es->y_offset ; i <= min(es->y_offset + vlc, es->y_offset + es->line_count - 1) ; i++) {
+ EDIT_UpdateUniscribeData(es, dc, i);
+ EDIT_GetLineRect(es, i, 0, -1, &rcLine);
+ if (IntersectRect(&rc, &rcRgn, &rcLine))
+ EDIT_PaintLine(es, dc, i, rev);
+ }
+ } else {
+ EDIT_UpdateUniscribeData(es, dc, 0);
+ EDIT_GetLineRect(es, 0, 0, -1, &rcLine);
+ if (IntersectRect(&rc, &rcRgn, &rcLine))
+ EDIT_PaintLine(es, dc, 0, rev);
+ }
+ if (es->font)
+ SelectObject(dc, old_font);
+
+ if (!hdc)
+ EndPaint(es->hwndSelf, &ps);
+}
+
+
+/*********************************************************************
+ *
+ * WM_SETFOCUS
+ *
+ */
+static void EDIT_WM_SetFocus(EDITSTATE *es)
+{
+ es->flags |= EF_FOCUSED;
+
+ if (!(es->style & ES_NOHIDESEL))
+ EDIT_InvalidateText(es, es->selection_start, es->selection_end);
+
+ /* single line edit updates itself */
+ if (IsWindowVisible(es->hwndSelf) && !(es->style & ES_MULTILINE))
+ {
+ HDC hdc = GetDC(es->hwndSelf);
+ EDIT_WM_Paint(es, hdc);
+ ReleaseDC(es->hwndSelf, hdc);
+ }
+
+ CreateCaret(es->hwndSelf, 0, 1, es->line_height);
+ EDIT_SetCaretPos(es, es->selection_end,
+ es->flags & EF_AFTER_WRAP);
+ ShowCaret(es->hwndSelf);
+ EDIT_NOTIFY_PARENT(es, EN_SETFOCUS);
+}
+
+
+/*********************************************************************
+ *
+ * WM_SETFONT
+ *
+ * With Win95 look the margins are set to default font value unless
+ * the system font (font == 0) is being set, in which case they are left
+ * unchanged.
+ *
+ */
+static void EDIT_WM_SetFont(EDITSTATE *es, HFONT font, BOOL redraw)
+{
+ TEXTMETRICW tm;
+ HDC dc;
+ HFONT old_font = 0;
+ RECT clientRect;
+
+ es->font = font;
+ EDIT_InvalidateUniscribeData(es);
+ dc = GetDC(es->hwndSelf);
+ if (font)
+ old_font = SelectObject(dc, font);
+ GetTextMetricsW(dc, &tm);
+ es->line_height = tm.tmHeight;
+ es->char_width = tm.tmAveCharWidth;
+ if (font)
+ SelectObject(dc, old_font);
+ ReleaseDC(es->hwndSelf, dc);
+
+ /* Reset the format rect and the margins */
+ GetClientRect(es->hwndSelf, &clientRect);
+ EDIT_SetRectNP(es, &clientRect);
+ EDIT_EM_SetMargins(es, EC_LEFTMARGIN | EC_RIGHTMARGIN,
+ EC_USEFONTINFO, EC_USEFONTINFO, FALSE);
+
+ if (es->style & ES_MULTILINE)
+ EDIT_BuildLineDefs_ML(es, 0, get_text_length(es), 0, NULL);
+ else
+ EDIT_CalcLineWidth_SL(es);
+
+ if (redraw)
+ EDIT_UpdateText(es, NULL, TRUE);
+ if (es->flags & EF_FOCUSED) {
+ DestroyCaret();
+ CreateCaret(es->hwndSelf, 0, 1, es->line_height);
+ EDIT_SetCaretPos(es, es->selection_end,
+ es->flags & EF_AFTER_WRAP);
+ ShowCaret(es->hwndSelf);
+ }
+}
+
+
+/*********************************************************************
+ *
+ * WM_SETTEXT
+ *
+ * NOTES
+ * For multiline controls (ES_MULTILINE), reception of WM_SETTEXT triggers:
+ * The modified flag is reset. No notifications are sent.
+ *
+ * For single-line controls, reception of WM_SETTEXT triggers:
+ * The modified flag is reset. EN_UPDATE and EN_CHANGE notifications are sent.
+ *
+ */
+static void EDIT_WM_SetText(EDITSTATE *es, LPCWSTR text)
+{
+ if (es->flags & EF_UPDATE)
+ /* fixed this bug once; complain if we see it about to happen again. */
+ ERR("SetSel may generate UPDATE message whose handler may reset "
+ "selection.\n");
+
+ EDIT_EM_SetSel(es, 0, (UINT)-1, FALSE);
+ if (text)
+ {
+ TRACE("%s\n", debugstr_w(text));
+ EDIT_EM_ReplaceSel(es, FALSE, text, strlenW(text), FALSE, FALSE);
+ }
+ else
+ {
+ TRACE("<NULL>\n");
+ EDIT_EM_ReplaceSel(es, FALSE, NULL, 0, FALSE, FALSE);
+ }
+ es->x_offset = 0;
+ es->flags &= ~EF_MODIFIED;
+ EDIT_EM_SetSel(es, 0, 0, FALSE);
+
+ /* Send the notification after the selection start and end have been set
+ * edit control doesn't send notification on WM_SETTEXT
+ * if it is multiline, or it is part of combobox
+ */
+ if( !((es->style & ES_MULTILINE) || es->hwndListBox))
+ {
+ EDIT_NOTIFY_PARENT(es, EN_UPDATE);
+ EDIT_NOTIFY_PARENT(es, EN_CHANGE);
+ }
+ EDIT_EM_ScrollCaret(es);
+ EDIT_UpdateScrollInfo(es);
+ EDIT_InvalidateUniscribeData(es);
+}
+
+
+/*********************************************************************
+ *
+ * WM_SIZE
+ *
+ */
+static void EDIT_WM_Size(EDITSTATE *es, UINT action)
+{
+ if ((action == SIZE_MAXIMIZED) || (action == SIZE_RESTORED)) {
+ RECT rc;
+ GetClientRect(es->hwndSelf, &rc);
+ EDIT_SetRectNP(es, &rc);
+ EDIT_UpdateText(es, NULL, TRUE);
+ }
+}
+
+
+/*********************************************************************
+ *
+ * WM_STYLECHANGED
+ *
+ * This message is sent by SetWindowLong on having changed either the Style
+ * or the extended style.
+ *
+ * We ensure that the window's version of the styles and the EDITSTATE's agree.
+ *
+ * See also EDIT_WM_NCCreate
+ *
+ * It appears that the Windows version of the edit control allows the style
+ * (as retrieved by GetWindowLong) to be any value and maintains an internal
+ * style variable which will generally be different. In this function we
+ * update the internal style based on what changed in the externally visible
+ * style.
+ *
+ * Much of this content as based upon the MSDN, especially:
+ * Platform SDK Documentation -> User Interface Services ->
+ * Windows User Interface -> Edit Controls -> Edit Control Reference ->
+ * Edit Control Styles
+ */
+static LRESULT EDIT_WM_StyleChanged ( EDITSTATE *es, WPARAM which, const STYLESTRUCT *style)
+{
+ if (GWL_STYLE == which) {
+ DWORD style_change_mask;
+ DWORD new_style;
+ /* Only a subset of changes can be applied after the control
+ * has been created.
+ */
+ style_change_mask = ES_UPPERCASE | ES_LOWERCASE |
+ ES_NUMBER;
+ if (es->style & ES_MULTILINE)
+ style_change_mask |= ES_WANTRETURN;
+
+ new_style = style->styleNew & style_change_mask;
+
+ /* Number overrides lowercase overrides uppercase (at least it
+ * does in Win95). However I'll bet that ES_NUMBER would be
+ * invalid under Win 3.1.
+ */
+ if (new_style & ES_NUMBER) {
+ ; /* do not override the ES_NUMBER */
+ } else if (new_style & ES_LOWERCASE) {
+ new_style &= ~ES_UPPERCASE;
+ }
+
+ es->style = (es->style & ~style_change_mask) | new_style;
+ } else if (GWL_EXSTYLE == which) {
+ ; /* FIXME - what is needed here */
+ } else {
+ WARN ("Invalid style change %ld\n",which);
+ }
+
+ return 0;
+}
+
+/*********************************************************************
+ *
+ * WM_SYSKEYDOWN
+ *
+ */
+static LRESULT EDIT_WM_SysKeyDown(EDITSTATE *es, INT key, DWORD key_data)
+{
+ if ((key == VK_BACK) && (key_data & 0x2000)) {
+ if (EDIT_EM_CanUndo(es))
+ EDIT_EM_Undo(es);
+ return 0;
+ } else if (key == VK_UP || key == VK_DOWN) {
+ if (EDIT_CheckCombo(es, WM_SYSKEYDOWN, key))
+ return 0;
+ }
+ return DefWindowProcW(es->hwndSelf, WM_SYSKEYDOWN, key, key_data);
+}
+
+
+/*********************************************************************
+ *
+ * WM_TIMER
+ *
+ */
+static void EDIT_WM_Timer(EDITSTATE *es)
+{
+ if (es->region_posx < 0) {
+ EDIT_MoveBackward(es, TRUE);
+ } else if (es->region_posx > 0) {
+ EDIT_MoveForward(es, TRUE);
+ }
+/*
+ * FIXME: gotta do some vertical scrolling here, like
+ * EDIT_EM_LineScroll(hwnd, 0, 1);
+ */
+}
+
+/*********************************************************************
+ *
+ * WM_HSCROLL
+ *
+ */
+static LRESULT EDIT_WM_HScroll(EDITSTATE *es, INT action, INT pos)
+{
+ INT dx;
+ INT fw;
+
+ if (!(es->style & ES_MULTILINE))
+ return 0;
+
+ if (!(es->style & ES_AUTOHSCROLL))
+ return 0;
+
+ dx = 0;
+ fw = es->format_rect.right - es->format_rect.left;
+ switch (action) {
+ case SB_LINELEFT:
+ TRACE("SB_LINELEFT\n");
+ if (es->x_offset)
+ dx = -es->char_width;
+ break;
+ case SB_LINERIGHT:
+ TRACE("SB_LINERIGHT\n");
+ if (es->x_offset < es->text_width)
+ dx = es->char_width;
+ break;
+ case SB_PAGELEFT:
+ TRACE("SB_PAGELEFT\n");
+ if (es->x_offset)
+ dx = -fw / HSCROLL_FRACTION / es->char_width * es->char_width;
+ break;
+ case SB_PAGERIGHT:
+ TRACE("SB_PAGERIGHT\n");
+ if (es->x_offset < es->text_width)
+ dx = fw / HSCROLL_FRACTION / es->char_width * es->char_width;
+ break;
+ case SB_LEFT:
+ TRACE("SB_LEFT\n");
+ if (es->x_offset)
+ dx = -es->x_offset;
+ break;
+ case SB_RIGHT:
+ TRACE("SB_RIGHT\n");
+ if (es->x_offset < es->text_width)
+ dx = es->text_width - es->x_offset;
+ break;
+ case SB_THUMBTRACK:
+ TRACE("SB_THUMBTRACK %d\n", pos);
+ es->flags |= EF_HSCROLL_TRACK;
+ if(es->style & WS_HSCROLL)
+ dx = pos - es->x_offset;
+ else
+ {
+ INT fw, new_x;
+ /* Sanity check */
+ if(pos < 0 || pos > 100) return 0;
+ /* Assume default scroll range 0-100 */
+ fw = es->format_rect.right - es->format_rect.left;
+ new_x = pos * (es->text_width - fw) / 100;
+ dx = es->text_width ? (new_x - es->x_offset) : 0;
+ }
+ break;
+ case SB_THUMBPOSITION:
+ TRACE("SB_THUMBPOSITION %d\n", pos);
+ es->flags &= ~EF_HSCROLL_TRACK;
+ if(GetWindowLongW( es->hwndSelf, GWL_STYLE ) & WS_HSCROLL)
+ dx = pos - es->x_offset;
+ else
+ {
+ INT fw, new_x;
+ /* Sanity check */
+ if(pos < 0 || pos > 100) return 0;
+ /* Assume default scroll range 0-100 */
+ fw = es->format_rect.right - es->format_rect.left;
+ new_x = pos * (es->text_width - fw) / 100;
+ dx = es->text_width ? (new_x - es->x_offset) : 0;
+ }
+ if (!dx) {
+ /* force scroll info update */
+ EDIT_UpdateScrollInfo(es);
+ EDIT_NOTIFY_PARENT(es, EN_HSCROLL);
+ }
+ break;
+ case SB_ENDSCROLL:
+ TRACE("SB_ENDSCROLL\n");
+ break;
+ /*
+ * FIXME : the next two are undocumented !
+ * Are we doing the right thing ?
+ * At least Win 3.1 Notepad makes use of EM_GETTHUMB this way,
+ * although it's also a regular control message.
+ */
+ case EM_GETTHUMB: /* this one is used by NT notepad */
+ {
+ LRESULT ret;
+ if(GetWindowLongW( es->hwndSelf, GWL_STYLE ) & WS_HSCROLL)
+ ret = GetScrollPos(es->hwndSelf, SB_HORZ);
+ else
+ {
+ /* Assume default scroll range 0-100 */
+ INT fw = es->format_rect.right - es->format_rect.left;
+ ret = es->text_width ? es->x_offset * 100 / (es->text_width - fw) : 0;
+ }
+ TRACE("EM_GETTHUMB: returning %ld\n", ret);
+ return ret;
+ }
+ case EM_LINESCROLL:
+ TRACE("EM_LINESCROLL16\n");
+ dx = pos;
+ break;
+
+ default:
+ ERR("undocumented WM_HSCROLL action %d (0x%04x), please report\n",
+ action, action);
+ return 0;
+ }
+ if (dx)
+ {
+ INT fw = es->format_rect.right - es->format_rect.left;
+ /* check if we are going to move too far */
+ if(es->x_offset + dx + fw > es->text_width)
+ dx = es->text_width - fw - es->x_offset;
+ if(dx)
+ EDIT_EM_LineScroll_internal(es, dx, 0);
+ }
+ return 0;
+}
+
+
+/*********************************************************************
+ *
+ * WM_VSCROLL
+ *
+ */
+static LRESULT EDIT_WM_VScroll(EDITSTATE *es, INT action, INT pos)
+{
+ INT dy;
+
+ if (!(es->style & ES_MULTILINE))
+ return 0;
+
+ if (!(es->style & ES_AUTOVSCROLL))
+ return 0;
+
+ dy = 0;
+ switch (action) {
+ case SB_LINEUP:
+ case SB_LINEDOWN:
+ case SB_PAGEUP:
+ case SB_PAGEDOWN:
+ TRACE("action %d (%s)\n", action, (action == SB_LINEUP ? "SB_LINEUP" :
+ (action == SB_LINEDOWN ? "SB_LINEDOWN" :
+ (action == SB_PAGEUP ? "SB_PAGEUP" :
+ "SB_PAGEDOWN"))));
+ EDIT_EM_Scroll(es, action);
+ return 0;
+ case SB_TOP:
+ TRACE("SB_TOP\n");
+ dy = -es->y_offset;
+ break;
+ case SB_BOTTOM:
+ TRACE("SB_BOTTOM\n");
+ dy = es->line_count - 1 - es->y_offset;
+ break;
+ case SB_THUMBTRACK:
+ TRACE("SB_THUMBTRACK %d\n", pos);
+ es->flags |= EF_VSCROLL_TRACK;
+ if(es->style & WS_VSCROLL)
+ dy = pos - es->y_offset;
+ else
+ {
+ /* Assume default scroll range 0-100 */
+ INT vlc, new_y;
+ /* Sanity check */
+ if(pos < 0 || pos > 100) return 0;
+ vlc = get_vertical_line_count(es);
+ new_y = pos * (es->line_count - vlc) / 100;
+ dy = es->line_count ? (new_y - es->y_offset) : 0;
+ TRACE("line_count=%d, y_offset=%d, pos=%d, dy = %d\n",
+ es->line_count, es->y_offset, pos, dy);
+ }
+ break;
+ case SB_THUMBPOSITION:
+ TRACE("SB_THUMBPOSITION %d\n", pos);
+ es->flags &= ~EF_VSCROLL_TRACK;
+ if(es->style & WS_VSCROLL)
+ dy = pos - es->y_offset;
+ else
+ {
+ /* Assume default scroll range 0-100 */
+ INT vlc, new_y;
+ /* Sanity check */
+ if(pos < 0 || pos > 100) return 0;
+ vlc = get_vertical_line_count(es);
+ new_y = pos * (es->line_count - vlc) / 100;
+ dy = es->line_count ? (new_y - es->y_offset) : 0;
+ TRACE("line_count=%d, y_offset=%d, pos=%d, dy = %d\n",
+ es->line_count, es->y_offset, pos, dy);
+ }
+ if (!dy)
+ {
+ /* force scroll info update */
+ EDIT_UpdateScrollInfo(es);
+ EDIT_NOTIFY_PARENT(es, EN_VSCROLL);
+ }
+ break;
+ case SB_ENDSCROLL:
+ TRACE("SB_ENDSCROLL\n");
+ break;
+ /*
+ * FIXME : the next two are undocumented !
+ * Are we doing the right thing ?
+ * At least Win 3.1 Notepad makes use of EM_GETTHUMB this way,
+ * although it's also a regular control message.
+ */
+ case EM_GETTHUMB: /* this one is used by NT notepad */
+ {
+ LRESULT ret;
+ if(GetWindowLongW( es->hwndSelf, GWL_STYLE ) & WS_VSCROLL)
+ ret = GetScrollPos(es->hwndSelf, SB_VERT);
+ else
+ {
+ /* Assume default scroll range 0-100 */
+ INT vlc = get_vertical_line_count(es);
+ ret = es->line_count ? es->y_offset * 100 / (es->line_count - vlc) : 0;
+ }
+ TRACE("EM_GETTHUMB: returning %ld\n", ret);
+ return ret;
+ }
+ case EM_LINESCROLL:
+ TRACE("EM_LINESCROLL %d\n", pos);
+ dy = pos;
+ break;
+
+ default:
+ ERR("undocumented WM_VSCROLL action %d (0x%04x), please report\n",
+ action, action);
+ return 0;
+ }
+ if (dy)
+ EDIT_EM_LineScroll(es, 0, dy);
+ return 0;
+}
+
+/*********************************************************************
+ *
+ * EM_GETTHUMB
+ *
+ * FIXME: is this right ? (or should it be only VSCROLL)
+ * (and maybe only for edit controls that really have their
+ * own scrollbars) (and maybe only for multiline controls ?)
+ * All in all: very poorly documented
+ *
+ */
+static LRESULT EDIT_EM_GetThumb(EDITSTATE *es)
+{
+ return MAKELONG(EDIT_WM_VScroll(es, EM_GETTHUMB, 0),
+ EDIT_WM_HScroll(es, EM_GETTHUMB, 0));
+}
+
+
+/********************************************************************
+ *
+ * The Following code is to handle inline editing from IMEs
+ */
+
+static void EDIT_GetCompositionStr(HIMC hIMC, LPARAM CompFlag, EDITSTATE *es)
+{
+ LONG buflen;
+ LPWSTR lpCompStr;
+ LPSTR lpCompStrAttr = NULL;
+ DWORD dwBufLenAttr;
+
+ buflen = ImmGetCompositionStringW(hIMC, GCS_COMPSTR, NULL, 0);
+
+ if (buflen < 0)
+ {
+ return;
+ }
+
+ lpCompStr = HeapAlloc(GetProcessHeap(),0,buflen);
+ if (!lpCompStr)
+ {
+ ERR("Unable to allocate IME CompositionString\n");
+ return;
+ }
+
+ if (buflen)
+ ImmGetCompositionStringW(hIMC, GCS_COMPSTR, lpCompStr, buflen);
+
+ if (CompFlag & GCS_COMPATTR)
+ {
+ /*
+ * We do not use the attributes yet. it would tell us what characters
+ * are in transition and which are converted or decided upon
+ */
+ dwBufLenAttr = ImmGetCompositionStringW(hIMC, GCS_COMPATTR, NULL, 0);
+ if (dwBufLenAttr)
+ {
+ dwBufLenAttr ++;
+ lpCompStrAttr = HeapAlloc(GetProcessHeap(),0,dwBufLenAttr+1);
+ if (!lpCompStrAttr)
+ {
+ ERR("Unable to allocate IME Attribute String\n");
+ HeapFree(GetProcessHeap(),0,lpCompStr);
+ return;
+ }
+ ImmGetCompositionStringW(hIMC,GCS_COMPATTR, lpCompStrAttr,
+ dwBufLenAttr);
+ lpCompStrAttr[dwBufLenAttr] = 0;
+ }
+ }
+
+ /* check for change in composition start */
+ if (es->selection_end < es->composition_start)
+ es->composition_start = es->selection_end;
+
+ /* replace existing selection string */
+ es->selection_start = es->composition_start;
+
+ if (es->composition_len > 0)
+ es->selection_end = es->composition_start + es->composition_len;
+ else
+ es->selection_end = es->selection_start;
+
+ EDIT_EM_ReplaceSel(es, FALSE, lpCompStr, buflen / sizeof(WCHAR), TRUE, TRUE);
+ es->composition_len = abs(es->composition_start - es->selection_end);
+
+ es->selection_start = es->composition_start;
+ es->selection_end = es->selection_start + es->composition_len;
+
+ HeapFree(GetProcessHeap(),0,lpCompStrAttr);
+ HeapFree(GetProcessHeap(),0,lpCompStr);
+}
+
+static void EDIT_GetResultStr(HIMC hIMC, EDITSTATE *es)
+{
+ LONG buflen;
+ LPWSTR lpResultStr;
+
+ buflen = ImmGetCompositionStringW(hIMC, GCS_RESULTSTR, NULL, 0);
+ if (buflen <= 0)
+ {
+ return;
+ }
+
+ lpResultStr = HeapAlloc(GetProcessHeap(),0, buflen);
+ if (!lpResultStr)
+ {
+ ERR("Unable to alloc buffer for IME string\n");
+ return;
+ }
+
+ ImmGetCompositionStringW(hIMC, GCS_RESULTSTR, lpResultStr, buflen);
+
+ /* check for change in composition start */
+ if (es->selection_end < es->composition_start)
+ es->composition_start = es->selection_end;
+
+ es->selection_start = es->composition_start;
+ es->selection_end = es->composition_start + es->composition_len;
+ EDIT_EM_ReplaceSel(es, TRUE, lpResultStr, buflen / sizeof(WCHAR), TRUE, TRUE);
+ es->composition_start = es->selection_end;
+ es->composition_len = 0;
+
+ HeapFree(GetProcessHeap(),0,lpResultStr);
+}
+
+static void EDIT_ImeComposition(HWND hwnd, LPARAM CompFlag, EDITSTATE *es)
+{
+ HIMC hIMC;
+ int cursor;
+
+ if (es->composition_len == 0 && es->selection_start != es->selection_end)
+ {
+ EDIT_EM_ReplaceSel(es, TRUE, NULL, 0, TRUE, TRUE);
+ es->composition_start = es->selection_end;
+ }
+
+ hIMC = ImmGetContext(hwnd);
+ if (!hIMC)
+ return;
+
+ if (CompFlag & GCS_RESULTSTR)
+ {
+ EDIT_GetResultStr(hIMC, es);
+ cursor = 0;
+ }
+ else
+ {
+ if (CompFlag & GCS_COMPSTR)
+ EDIT_GetCompositionStr(hIMC, CompFlag, es);
+ cursor = ImmGetCompositionStringW(hIMC, GCS_CURSORPOS, 0, 0);
+ }
+ ImmReleaseContext(hwnd, hIMC);
+ EDIT_SetCaretPos(es, es->selection_start + cursor, es->flags & EF_AFTER_WRAP);
+}
+
+
+/*********************************************************************
+ *
+ * WM_NCCREATE
+ *
+ * See also EDIT_WM_StyleChanged
+ */
+static LRESULT EDIT_WM_NCCreate(HWND hwnd, LPCREATESTRUCTW lpcs)
+{
+ EDITSTATE *es;
+ UINT alloc_size;
+
+ TRACE("Creating edit control, style = %08x\n", lpcs->style);
+
+ if (!(es = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(*es))))
+ return FALSE;
+ SetWindowLongPtrW( hwnd, 0, (LONG_PTR)es );
+
+ /*
+ * Note: since the EDITSTATE has not been fully initialized yet,
+ * we can't use any API calls that may send
+ * WM_XXX messages before WM_NCCREATE is completed.
+ */
+
+ es->is_unicode = TRUE;
+ es->style = lpcs->style;
+
+ es->bEnableState = !(es->style & WS_DISABLED);
+
+ es->hwndSelf = hwnd;
+ /* Save parent, which will be notified by EN_* messages */
+ es->hwndParent = lpcs->hwndParent;
+
+ if (es->style & ES_COMBO)
+ es->hwndListBox = GetDlgItem(es->hwndParent, ID_CB_LISTBOX);
+
+ /* FIXME: should we handle changes to WS_EX_RIGHT style after creation? */
+ if (lpcs->dwExStyle & WS_EX_RIGHT) es->style |= ES_RIGHT;
+
+ /* Number overrides lowercase overrides uppercase (at least it
+ * does in Win95). However I'll bet that ES_NUMBER would be
+ * invalid under Win 3.1.
+ */
+ if (es->style & ES_NUMBER) {
+ ; /* do not override the ES_NUMBER */
+ } else if (es->style & ES_LOWERCASE) {
+ es->style &= ~ES_UPPERCASE;
+ }
+ if (es->style & ES_MULTILINE) {
+ es->buffer_limit = BUFLIMIT_INITIAL;
+ if (es->style & WS_VSCROLL)
+ es->style |= ES_AUTOVSCROLL;
+ if (es->style & WS_HSCROLL)
+ es->style |= ES_AUTOHSCROLL;
+ es->style &= ~ES_PASSWORD;
+ if ((es->style & ES_CENTER) || (es->style & ES_RIGHT)) {
+ /* Confirmed - RIGHT overrides CENTER */
+ if (es->style & ES_RIGHT)
+ es->style &= ~ES_CENTER;
+ es->style &= ~WS_HSCROLL;
+ es->style &= ~ES_AUTOHSCROLL;
+ }
+ } else {
+ es->buffer_limit = BUFLIMIT_INITIAL;
+ if ((es->style & ES_RIGHT) && (es->style & ES_CENTER))
+ es->style &= ~ES_CENTER;
+ es->style &= ~WS_HSCROLL;
+ es->style &= ~WS_VSCROLL;
+ if (es->style & ES_PASSWORD)
+ es->password_char = '*';
+ }
+
+ alloc_size = ROUND_TO_GROW((es->buffer_size + 1) * sizeof(WCHAR));
+ if(!(es->hloc32W = LocalAlloc(LMEM_MOVEABLE | LMEM_ZEROINIT, alloc_size)))
+ goto cleanup;
+ es->buffer_size = LocalSize(es->hloc32W)/sizeof(WCHAR) - 1;
+
+ if (!(es->undo_text = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, (es->buffer_size + 1) * sizeof(WCHAR))))
+ goto cleanup;
+ es->undo_buffer_size = es->buffer_size;
+
+ if (es->style & ES_MULTILINE)
+ if (!(es->first_line_def = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(LINEDEF))))
+ goto cleanup;
+ es->line_count = 1;
+
+ /*
+ * In Win95 look and feel, the WS_BORDER style is replaced by the
+ * WS_EX_CLIENTEDGE style for the edit control. This gives the edit
+ * control a nonclient area so we don't need to draw the border.
+ * If WS_BORDER without WS_EX_CLIENTEDGE is specified we shouldn't have
+ * a nonclient area and we should handle painting the border ourselves.
+ *
+ * When making modifications please ensure that the code still works
+ * for edit controls created directly with style 0x50800000, exStyle 0
+ * (which should have a single pixel border)
+ */
+ if (lpcs->dwExStyle & WS_EX_CLIENTEDGE)
+ es->style &= ~WS_BORDER;
+ else if (es->style & WS_BORDER)
+ SetWindowLongW(hwnd, GWL_STYLE, es->style & ~WS_BORDER);
+
+ return TRUE;
+
+cleanup:
+ SetWindowLongPtrW(es->hwndSelf, 0, 0);
+ EDIT_InvalidateUniscribeData(es);
+ HeapFree(GetProcessHeap(), 0, es->first_line_def);
+ HeapFree(GetProcessHeap(), 0, es->undo_text);
+ if (es->hloc32W) LocalFree(es->hloc32W);
+ HeapFree(GetProcessHeap(), 0, es->logAttr);
+ HeapFree(GetProcessHeap(), 0, es);
+ return FALSE;
+}
+
+
+/*********************************************************************
+ *
+ * WM_CREATE
+ *
+ */
+static LRESULT EDIT_WM_Create(EDITSTATE *es, LPCWSTR name)
+{
+ RECT clientRect;
+
+ TRACE("%s\n", debugstr_w(name));
+ /*
+ * To initialize some final structure members, we call some helper
+ * functions. However, since the EDITSTATE is not consistent (i.e.
+ * not fully initialized), we should be very careful which
+ * functions can be called, and in what order.
+ */
+ EDIT_WM_SetFont(es, 0, FALSE);
+ EDIT_EM_EmptyUndoBuffer(es);
+
+ /* We need to calculate the format rect
+ (applications may send EM_SETMARGINS before the control gets visible) */
+ GetClientRect(es->hwndSelf, &clientRect);
+ EDIT_SetRectNP(es, &clientRect);
+
+ if (name && *name) {
+ EDIT_EM_ReplaceSel(es, FALSE, name, strlenW(name), FALSE, FALSE);
+ /* if we insert text to the editline, the text scrolls out
+ * of the window, as the caret is placed after the insert
+ * pos normally; thus we reset es->selection... to 0 and
+ * update caret
+ */
+ es->selection_start = es->selection_end = 0;
+ /* Adobe Photoshop does NOT like this. and MSDN says that EN_CHANGE
+ * Messages are only to be sent when the USER does something to
+ * change the contents. So I am removing this EN_CHANGE
+ *
+ * EDIT_NOTIFY_PARENT(es, EN_CHANGE);
+ */
+ EDIT_EM_ScrollCaret(es);
+ }
+ /* force scroll info update */
+ EDIT_UpdateScrollInfo(es);
+ /* The rule seems to return 1 here for success */
+ /* Power Builder masked edit controls will crash */
+ /* if not. */
+ /* FIXME: is that in all cases so ? */
+ return 1;
+}
+
+
+/*********************************************************************
+ *
+ * WM_NCDESTROY
+ *
+ */
+static LRESULT EDIT_WM_NCDestroy(EDITSTATE *es)
+{
+ LINEDEF *pc, *pp;
+
+ /* The app can own the text buffer handle */
+ if (es->hloc32W && (es->hloc32W != es->hlocapp)) {
+ LocalFree(es->hloc32W);
+ }
+ if (es->hloc32A && (es->hloc32A != es->hlocapp)) {
+ LocalFree(es->hloc32A);
+ }
+ EDIT_InvalidateUniscribeData(es);
+ pc = es->first_line_def;
+ while (pc)
+ {
+ pp = pc->next;
+ HeapFree(GetProcessHeap(), 0, pc);
+ pc = pp;
+ }
+
+ SetWindowLongPtrW( es->hwndSelf, 0, 0 );
+ HeapFree(GetProcessHeap(), 0, es->undo_text);
+ HeapFree(GetProcessHeap(), 0, es);
+
+ return 0;
+}
+
+static LRESULT CALLBACK EDIT_WindowProc(HWND hwnd, UINT msg, WPARAM wParam, LPARAM lParam)
+{
+ EDITSTATE *es = (EDITSTATE *)GetWindowLongPtrW(hwnd, 0);
+ LRESULT result = 0;
+ RECT *rect;
+
+ TRACE("hwnd=%p msg=%#x wparam=%lx lparam=%lx\n", hwnd, msg, wParam, lParam);
+
+ if (!es && msg != WM_NCCREATE)
+ return DefWindowProcW(hwnd, msg, wParam, lParam);
+
+ if (es && (msg != WM_NCDESTROY))
+ EDIT_LockBuffer(es);
+
+ switch (msg)
+ {
+ case EM_GETSEL:
+ result = EDIT_EM_GetSel(es, (UINT *)wParam, (UINT *)lParam);
+ break;
+
+ case EM_SETSEL:
+ EDIT_EM_SetSel(es, wParam, lParam, FALSE);
+ EDIT_EM_ScrollCaret(es);
+ result = 1;
+ break;
+
+ case EM_GETRECT:
+ rect = (RECT *)lParam;
+ if (rect)
+ *rect = es->format_rect;
+ break;
+
+ case EM_SETRECT:
+ if ((es->style & ES_MULTILINE) && lParam)
+ {
+ EDIT_SetRectNP(es, (RECT *)lParam);
+ EDIT_UpdateText(es, NULL, TRUE);
+ }
+ break;
+
+ case EM_SETRECTNP:
+ if ((es->style & ES_MULTILINE) && lParam)
+ EDIT_SetRectNP(es, (LPRECT)lParam);
+ break;
+
+ case EM_SCROLL:
+ result = EDIT_EM_Scroll(es, (INT)wParam);
+ break;
+
+ case EM_LINESCROLL:
+ result = (LRESULT)EDIT_EM_LineScroll(es, (INT)wParam, (INT)lParam);
+ break;
+
+ case EM_SCROLLCARET:
+ EDIT_EM_ScrollCaret(es);
+ result = 1;
+ break;
+
+ case EM_GETMODIFY:
+ result = ((es->flags & EF_MODIFIED) != 0);
+ break;
+
+ case EM_SETMODIFY:
+ if (wParam)
+ es->flags |= EF_MODIFIED;
+ else
+ es->flags &= ~(EF_MODIFIED | EF_UPDATE); /* reset pending updates */
+ break;
+
+ case EM_GETLINECOUNT:
+ result = (es->style & ES_MULTILINE) ? es->line_count : 1;
+ break;
+
+ case EM_LINEINDEX:
+ result = (LRESULT)EDIT_EM_LineIndex(es, (INT)wParam);
+ break;
+
+ case EM_SETHANDLE:
+ EDIT_EM_SetHandle(es, (HLOCAL)wParam);
+ break;
+
+ case EM_GETHANDLE:
+ result = (LRESULT)EDIT_EM_GetHandle(es);
+ break;
+
+ case EM_GETTHUMB:
+ result = EDIT_EM_GetThumb(es);
+ break;
+
+ /* these messages missing from specs */
+ case 0x00bf:
+ case 0x00c0:
+ case 0x00c3:
+ case 0x00ca:
+ FIXME("undocumented message 0x%x, please report\n", msg);
+ result = DefWindowProcW(hwnd, msg, wParam, lParam);
+ break;
+
+ case EM_LINELENGTH:
+ result = (LRESULT)EDIT_EM_LineLength(es, (INT)wParam);
+ break;
+
+ case EM_REPLACESEL:
+ {
+ const WCHAR *textW = (const WCHAR *)lParam;
+
+ EDIT_EM_ReplaceSel(es, (BOOL)wParam, textW, strlenW(textW), TRUE, TRUE);
+ result = 1;
+ break;
+ }
+
+ case EM_GETLINE:
+ result = (LRESULT)EDIT_EM_GetLine(es, (INT)wParam, (LPWSTR)lParam);
+ break;
+
+ case EM_SETLIMITTEXT:
+ EDIT_EM_SetLimitText(es, wParam);
+ break;
+
+ case EM_CANUNDO:
+ result = (LRESULT)EDIT_EM_CanUndo(es);
+ break;
+
+ case EM_UNDO:
+ case WM_UNDO:
+ result = (LRESULT)EDIT_EM_Undo(es);
+ break;
+
+ case EM_FMTLINES:
+ result = (LRESULT)EDIT_EM_FmtLines(es, (BOOL)wParam);
+ break;
+
+ case EM_LINEFROMCHAR:
+ result = (LRESULT)EDIT_EM_LineFromChar(es, (INT)wParam);
+ break;
+
+ case EM_SETTABSTOPS:
+ result = (LRESULT)EDIT_EM_SetTabStops(es, (INT)wParam, (LPINT)lParam);
+ break;
+
+ case EM_SETPASSWORDCHAR:
+ EDIT_EM_SetPasswordChar(es, wParam);
+ break;
+
+ case EM_EMPTYUNDOBUFFER:
+ EDIT_EM_EmptyUndoBuffer(es);
+ break;
+
+ case EM_GETFIRSTVISIBLELINE:
+ result = (es->style & ES_MULTILINE) ? es->y_offset : es->x_offset;
+ break;
+
+ case EM_SETREADONLY:
+ {
+ DWORD old_style = es->style;
+
+ if (wParam)
+ {
+ SetWindowLongW(hwnd, GWL_STYLE, GetWindowLongW(hwnd, GWL_STYLE) | ES_READONLY);
+ es->style |= ES_READONLY;
+ }
+ else
+ {
+ SetWindowLongW(hwnd, GWL_STYLE, GetWindowLongW(hwnd, GWL_STYLE) & ~ES_READONLY);
+ es->style &= ~ES_READONLY;
+ }
+
+ if (old_style ^ es->style)
+ InvalidateRect(es->hwndSelf, NULL, TRUE);
+
+ result = 1;
+ break;
+ }
+
+ case EM_SETWORDBREAKPROC:
+ EDIT_EM_SetWordBreakProc(es, (void *)lParam);
+ result = 1;
+ break;
+
+ case EM_GETWORDBREAKPROC:
+ result = (LRESULT)es->word_break_proc;
+ break;
+
+ case EM_GETPASSWORDCHAR:
+ result = es->password_char;
+ break;
+
+ case EM_SETMARGINS:
+ EDIT_EM_SetMargins(es, (INT)wParam, LOWORD(lParam), HIWORD(lParam), TRUE);
+ break;
+
+ case EM_GETMARGINS:
+ result = MAKELONG(es->left_margin, es->right_margin);
+ break;
+
+ case EM_GETLIMITTEXT:
+ result = es->buffer_limit;
+ break;
+
+ case EM_POSFROMCHAR:
+ if ((INT)wParam >= get_text_length(es)) result = -1;
+ else result = EDIT_EM_PosFromChar(es, (INT)wParam, FALSE);
+ break;
+
+ case EM_CHARFROMPOS:
+ result = EDIT_EM_CharFromPos(es, (short)LOWORD(lParam), (short)HIWORD(lParam));
+ break;
+
+ /* End of the EM_ messages which were in numerical order; what order
+ * are these in? vaguely alphabetical?
+ */
+
+ case WM_NCCREATE:
+ result = EDIT_WM_NCCreate(hwnd, (LPCREATESTRUCTW)lParam);
+ break;
+
+ case WM_NCDESTROY:
+ result = EDIT_WM_NCDestroy(es);
+ es = NULL;
+ break;
+
+ case WM_GETDLGCODE:
+ result = DLGC_HASSETSEL | DLGC_WANTCHARS | DLGC_WANTARROWS;
+
+ if (es->style & ES_MULTILINE)
+ result |= DLGC_WANTALLKEYS;
+
+ if (lParam)
+ {
+ MSG *msg = (MSG *)lParam;
+ es->flags |= EF_DIALOGMODE;
+
+ if (msg->message == WM_KEYDOWN)
+ {
+ int vk = (int)msg->wParam;
+
+ if (es->hwndListBox)
+ {
+ if (vk == VK_RETURN || vk == VK_ESCAPE)
+ if (SendMessageW(GetParent(hwnd), CB_GETDROPPEDSTATE, 0, 0))
+ result |= DLGC_WANTMESSAGE;
+ }
+ }
+ }
+ break;
+
+ case WM_IME_CHAR:
+ case WM_CHAR:
+ {
+ WCHAR charW = wParam;
+
+ if (es->hwndListBox)
+ {
+ if (charW == VK_RETURN || charW == VK_ESCAPE)
+ {
+ if (SendMessageW(GetParent(hwnd), CB_GETDROPPEDSTATE, 0, 0))
+ SendMessageW(GetParent(hwnd), WM_KEYDOWN, charW, 0);
+ break;
+ }
+ }
+ result = EDIT_WM_Char(es, charW);
+ break;
+ }
+
+ case WM_UNICHAR:
+ if (wParam == UNICODE_NOCHAR) return TRUE;
+ if (wParam <= 0x000fffff)
+ {
+ if (wParam > 0xffff) /* convert to surrogates */
+ {
+ wParam -= 0x10000;
+ EDIT_WM_Char(es, (wParam >> 10) + 0xd800);
+ EDIT_WM_Char(es, (wParam & 0x03ff) + 0xdc00);
+ }
+ else
+ EDIT_WM_Char(es, wParam);
+ }
+ return 0;
+
+ case WM_CLEAR:
+ EDIT_WM_Clear(es);
+ break;
+
+ case WM_CONTEXTMENU:
+ EDIT_WM_ContextMenu(es, (short)LOWORD(lParam), (short)HIWORD(lParam));
+ break;
+
+ case WM_COPY:
+ EDIT_WM_Copy(es);
+ break;
+
+ case WM_CREATE:
+ result = EDIT_WM_Create(es, ((LPCREATESTRUCTW)lParam)->lpszName);
+ break;
+
+ case WM_CUT:
+ EDIT_WM_Cut(es);
+ break;
+
+ case WM_ENABLE:
+ es->bEnableState = (BOOL) wParam;
+ EDIT_UpdateText(es, NULL, TRUE);
+ break;
+
+ case WM_ERASEBKGND:
+ /* we do the proper erase in EDIT_WM_Paint */
+ result = 1;
+ break;
+
+ case WM_GETFONT:
+ result = (LRESULT)es->font;
+ break;
+
+ case WM_GETTEXT:
+ result = (LRESULT)EDIT_WM_GetText(es, (INT)wParam, (LPWSTR)lParam);
+ break;
+
+ case WM_GETTEXTLENGTH:
+ result = get_text_length(es);
+ break;
+
+ case WM_HSCROLL:
+ result = EDIT_WM_HScroll(es, LOWORD(wParam), (short)HIWORD(wParam));
+ break;
+
+ case WM_KEYDOWN:
+ result = EDIT_WM_KeyDown(es, (INT)wParam);
+ break;
+
+ case WM_KILLFOCUS:
+ result = EDIT_WM_KillFocus(es);
+ break;
+
+ case WM_LBUTTONDBLCLK:
+ result = EDIT_WM_LButtonDblClk(es);
+ break;
+
+ case WM_LBUTTONDOWN:
+ result = EDIT_WM_LButtonDown(es, wParam, (short)LOWORD(lParam), (short)HIWORD(lParam));
+ break;
+
+ case WM_LBUTTONUP:
+ result = EDIT_WM_LButtonUp(es);
+ break;
+
+ case WM_MBUTTONDOWN:
+ result = EDIT_WM_MButtonDown(es);
+ break;
+
+ case WM_MOUSEMOVE:
+ result = EDIT_WM_MouseMove(es, (short)LOWORD(lParam), (short)HIWORD(lParam));
+ break;
+
+ case WM_PRINTCLIENT:
+ case WM_PAINT:
+ EDIT_WM_Paint(es, (HDC)wParam);
+ break;
+
+ case WM_PASTE:
+ EDIT_WM_Paste(es);
+ break;
+
+ case WM_SETFOCUS:
+ EDIT_WM_SetFocus(es);
+ break;
+
+ case WM_SETFONT:
+ EDIT_WM_SetFont(es, (HFONT)wParam, LOWORD(lParam) != 0);
+ break;
+
+ case WM_SETREDRAW:
+ /* FIXME: actually set an internal flag and behave accordingly */
+ break;
+
+ case WM_SETTEXT:
+ EDIT_WM_SetText(es, (const WCHAR *)lParam);
+ result = TRUE;
+ break;
+
+ case WM_SIZE:
+ EDIT_WM_Size(es, (UINT)wParam);
+ break;
+
+ case WM_STYLECHANGED:
+ result = EDIT_WM_StyleChanged(es, wParam, (const STYLESTRUCT *)lParam);
+ break;
+
+ case WM_STYLECHANGING:
+ result = 0; /* See EDIT_WM_StyleChanged */
+ break;
+
+ case WM_SYSKEYDOWN:
+ result = EDIT_WM_SysKeyDown(es, (INT)wParam, (DWORD)lParam);
+ break;
+
+ case WM_TIMER:
+ EDIT_WM_Timer(es);
+ break;
+
+ case WM_VSCROLL:
+ result = EDIT_WM_VScroll(es, LOWORD(wParam), (short)HIWORD(wParam));
+ break;
+
+ case WM_MOUSEWHEEL:
+ {
+ int wheelDelta;
+ UINT pulScrollLines = 3;
+ SystemParametersInfoW(SPI_GETWHEELSCROLLLINES,0, &pulScrollLines, 0);
+
+ if (wParam & (MK_SHIFT | MK_CONTROL))
+ {
+ result = DefWindowProcW(hwnd, msg, wParam, lParam);
+ break;
+ }
+
+ wheelDelta = GET_WHEEL_DELTA_WPARAM(wParam);
+ /* if scrolling changes direction, ignore left overs */
+ if ((wheelDelta < 0 && es->wheelDeltaRemainder < 0) ||
+ (wheelDelta > 0 && es->wheelDeltaRemainder > 0))
+ es->wheelDeltaRemainder += wheelDelta;
+ else
+ es->wheelDeltaRemainder = wheelDelta;
+
+ if (es->wheelDeltaRemainder && pulScrollLines)
+ {
+ int cLineScroll;
+ pulScrollLines = (int) min((UINT) es->line_count, pulScrollLines);
+ cLineScroll = pulScrollLines * (float)es->wheelDeltaRemainder / WHEEL_DELTA;
+ es->wheelDeltaRemainder -= WHEEL_DELTA * cLineScroll / (int)pulScrollLines;
+ result = EDIT_EM_LineScroll(es, 0, -cLineScroll);
+ }
+ break;
+ }
+
+ /* IME messages to make the edit control IME aware */
+ case WM_IME_SETCONTEXT:
+ break;
+
+ case WM_IME_STARTCOMPOSITION:
+ es->composition_start = es->selection_end;
+ es->composition_len = 0;
+ break;
+
+ case WM_IME_COMPOSITION:
+ EDIT_ImeComposition(hwnd, lParam, es);
+ break;
+
+ case WM_IME_ENDCOMPOSITION:
+ if (es->composition_len > 0)
+ {
+ EDIT_EM_ReplaceSel(es, TRUE, NULL, 0, TRUE, TRUE);
+ es->selection_end = es->selection_start;
+ es->composition_len= 0;
+ }
+ break;
+
+ case WM_IME_COMPOSITIONFULL:
+ break;
+
+ case WM_IME_SELECT:
+ break;
+
+ case WM_IME_CONTROL:
+ break;
+
+ case WM_IME_REQUEST:
+ switch (wParam)
+ {
+ case IMR_QUERYCHARPOSITION:
+ {
+ IMECHARPOSITION *chpos = (IMECHARPOSITION *)lParam;
+ LRESULT pos;
+
+ pos = EDIT_EM_PosFromChar(es, es->selection_start + chpos->dwCharPos, FALSE);
+ chpos->pt.x = LOWORD(pos);
+ chpos->pt.y = HIWORD(pos);
+ chpos->cLineHeight = es->line_height;
+ chpos->rcDocument = es->format_rect;
+ MapWindowPoints(hwnd, 0, &chpos->pt, 1);
+ MapWindowPoints(hwnd, 0, (POINT*)&chpos->rcDocument, 2);
+ result = 1;
+ break;
+ }
+ }
+ break;
+
+ default:
+ result = DefWindowProcW(hwnd, msg, wParam, lParam);
+ break;
+ }
+
+ if (IsWindow(hwnd) && es && msg != EM_GETHANDLE)
+ EDIT_UnlockBuffer(es, FALSE);
+
+ TRACE("hwnd=%p msg=%x -- 0x%08lx\n", hwnd, msg, result);
+
+ return result;
+}
+
+void EDIT_Register(void)
+{
+ WNDCLASSW wndClass;
+
+ memset(&wndClass, 0, sizeof(wndClass));
+ wndClass.style = CS_GLOBALCLASS | CS_DBLCLKS;
+ wndClass.lpfnWndProc = EDIT_WindowProc;
+ wndClass.cbClsExtra = 0;
+#ifdef __i386__
+ wndClass.cbWndExtra = sizeof(EDITSTATE *) + sizeof(WORD);
+#else
+ wndClass.cbWndExtra = sizeof(EDITSTATE *);
+#endif
+ wndClass.hCursor = LoadCursorW(0, (LPWSTR)IDC_IBEAM);
+ wndClass.hbrBackground = NULL;
+ wndClass.lpszClassName = WC_EDITW;
+ RegisterClassW(&wndClass);
+}
diff --git a/dlls/comctl32/tests/edit.c b/dlls/comctl32/tests/edit.c
index 262ea72c30..0d95df3371 100644
--- a/dlls/comctl32/tests/edit.c
+++ b/dlls/comctl32/tests/edit.c
@@ -2755,7 +2755,6 @@ static void test_EM_GETHANDLE(void)
buffer = LocalLock(hmem);
ok(buffer != NULL, "got %p (expected != NULL)\n", buffer);
len = lstrlenW(buffer);
-todo_wine
ok(len == lstrlenW(str1W) && !lstrcmpW(buffer, str1W), "Unexpected buffer contents %s, length %d.\n",
wine_dbgstr_w(buffer), len);
LocalUnlock(hmem);
@@ -2780,7 +2779,6 @@ todo_wine
lstrcpyA(current, str0);
r = SendMessageA(hEdit, WM_GETTEXT, sizeof(current), (LPARAM)current);
-todo_wine
ok(r == lstrlenA(str1_1) && !lstrcmpA(current, str1_1),
"Unexpected retval %d and text \"%s\" (expected %d and \"%s\")\n", r, current, lstrlenA(str1_1), str1_1);
@@ -2789,7 +2787,6 @@ todo_wine
ok(r, "Failed to set text.\n");
buffer = LocalLock(hmem);
-todo_wine
ok(buffer != NULL && buffer[0] == '1', "Unexpected buffer contents\n");
LocalUnlock(hmem);
@@ -2797,7 +2794,6 @@ todo_wine
ok(r, "Failed to replace selection.\n");
buffer = LocalLock(hmem);
-todo_wine
ok(buffer != NULL && buffer[0] == '2', "Unexpected buffer contents\n");
LocalUnlock(hmem);
@@ -2819,12 +2815,10 @@ todo_wine
SendMessageA(hEdit, EM_SETHANDLE, (WPARAM)halloc, 0);
len = SendMessageA(hEdit, WM_GETTEXTLENGTH, 0, 0);
-todo_wine
ok(len == lstrlenA(str2), "got %d (expected %d)\n", len, lstrlenA(str2));
lstrcpyA(current, str0);
r = SendMessageA(hEdit, WM_GETTEXT, sizeof(current), (LPARAM)current);
-todo_wine
ok(r == lstrlenA(str2) && !lstrcmpA(current, str2),
"got %d and \"%s\" (expected %d and \"%s\")\n", r, current, lstrlenA(str2), str2);
@@ -2949,7 +2943,6 @@ static void test_EM_GETLINE(void)
char buff[16];
int r;
- todo_wine_if(i == 0)
ok(IsWindowUnicode(hwnd[i]), "Expected unicode window.\n");
SendMessageA(hwnd[i], WM_SETTEXT, 0, (LPARAM)str);
diff --git a/dlls/user32/class.c b/dlls/user32/class.c
index a70bcb1a04..fd9af7f6ea 100644
--- a/dlls/user32/class.c
+++ b/dlls/user32/class.c
@@ -168,7 +168,6 @@ static BOOL is_builtin_class( const WCHAR *name )
{'B','u','t','t','o','n',0},
{'C','o','m','b','o','B','o','x',0},
{'C','o','m','b','o','L','B','o','x',0},
- {'E','d','i','t',0},
{'I','M','E',0},
{'L','i','s','t','B','o','x',0},
{'M','D','I','C','l','i','e','n','t',0},
--
2.15.1
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