dlls/user/edit.c

Ge van Geldorp gvg at reactos.com
Thu Nov 25 15:59:31 CST 2004


Changelog:
  Ge van Geldorp <gvg at reactos.com>
  - Fix vertical position of text in single-line edit controls
  - Add tests for this

Index: dlls/user/edit.c
===================================================================
RCS file: /home/wine/wine/dlls/user/edit.c,v
retrieving revision 1.7
diff -u -r1.7 edit.c
--- dlls/user/edit.c	8 Nov 2004 22:10:05 -0000	1.7
+++ dlls/user/edit.c	25 Nov 2004 22:51:30 -0000
@@ -2186,13 +2186,39 @@
  */
 static void EDIT_SetRectNP(EDITSTATE *es, LPRECT rc)
 {
+	RECT ClientRect;
+	LONG_PTR ExStyle;
+
 	CopyRect(&es->format_rect, rc);
-	if (es->style & WS_BORDER) {
-		INT bw = GetSystemMetrics(SM_CXBORDER) + 1;
-		es->format_rect.left += bw;
-		es->format_rect.top += bw;
-		es->format_rect.right -= bw;
-		es->format_rect.bottom -= bw;
+	if (es->style & ES_MULTILINE)
+	{
+		if (es->style & WS_BORDER) {
+			INT bw = GetSystemMetrics(SM_CXBORDER) + 1;
+			es->format_rect.left += bw;
+			es->format_rect.right -= bw;
+			es->format_rect.top += bw;
+			es->format_rect.bottom -= bw;
+		}
+	}
+	else
+	{
+		ExStyle = GetWindowLongPtrW(es->hwndSelf, GWL_EXSTYLE);
+		if (ExStyle & WS_EX_CLIENTEDGE) {
+			if (es->line_height + 2 <=
+			    es->format_rect.bottom - es->format_rect.top) {
+				es->format_rect.top++;
+				es->format_rect.bottom--;
+			}
+		} else if (es->style & WS_BORDER) {
+			INT bw = GetSystemMetrics(SM_CXBORDER) + 1;
+			es->format_rect.left += bw;
+			es->format_rect.right -= bw;
+			if (es->line_height + 2 * bw <=
+			    es->format_rect.bottom - es->format_rect.top) {
+				es->format_rect.top += bw;
+				es->format_rect.bottom -= bw;
+			}
+		}
 	}
 	es->format_rect.left += es->left_margin;
 	es->format_rect.right -= es->right_margin;
@@ -2223,6 +2249,10 @@
 	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, strlenW(es->text), 0, NULL);
Index: dlls/user/tests/edit.c
===================================================================
RCS file: /home/wine/wine/dlls/user/tests/edit.c,v
retrieving revision 1.1
diff -u -r1.1 edit.c
--- dlls/user/tests/edit.c	8 Nov 2004 22:10:05 -0000	1.1
+++ dlls/user/tests/edit.c	25 Nov 2004 22:51:30 -0000
@@ -23,11 +23,12 @@
 
 #include "wine/test.h"
 
-HWND create_editcontrol (DWORD style)
+HWND create_editcontrol (DWORD style, DWORD exstyle)
 {
     HWND handle;
 
-    handle = CreateWindow("EDIT",
+    handle = CreateWindowEx(exstyle,
+			  "EDIT",
 			  NULL,
 			  ES_AUTOHSCROLL | ES_AUTOVSCROLL | style,
 			  10, 10, 300, 300,
@@ -61,17 +62,33 @@
 	);
 }
 
+static void set_client_height(HWND Wnd, unsigned Height)
+{
+    RECT ClientRect, WindowRect;
+
+    GetWindowRect(Wnd, &WindowRect);
+    GetClientRect(Wnd, &ClientRect);
+    SetWindowPos(Wnd, NULL, WindowRect.left, WindowRect.top,
+                 WindowRect.right - WindowRect.left,
+                 Height + (WindowRect.bottom - WindowRect.top) - (ClientRect.bottom - ClientRect.top),
+                 SWP_NOMOVE | SWP_NOZORDER);
+}
+
 static void test_edit_control(void)
 {
     HWND hwEdit;
     MSG msMessage;
     int i;
     LONG r;
+    HFONT Font, OldFont;
+    HDC Dc;
+    TEXTMETRIC Metrics;
+    RECT FormatRect;
 
     msMessage.message = WM_KEYDOWN;
 
     trace("EDIT: Single line\n");
-    hwEdit = create_editcontrol(0);
+    hwEdit = create_editcontrol(0, 0);
     r = get_edit_style(hwEdit);
     ok(r == (ES_AUTOVSCROLL | ES_AUTOHSCROLL), "Wrong style expected 0xc0 got: 0x%lx\n", r); 
     for (i=0;i<65535;i++)
@@ -84,7 +101,7 @@
     DestroyWindow (hwEdit);
 
     trace("EDIT: Single line want returns\n");
-    hwEdit = create_editcontrol(ES_WANTRETURN);
+    hwEdit = create_editcontrol(ES_WANTRETURN, 0);
     r = get_edit_style(hwEdit);
     ok(r == (ES_AUTOVSCROLL | ES_AUTOHSCROLL | ES_WANTRETURN), "Wrong style expected 0x10c0 got: 0x%lx\n", r); 
     for (i=0;i<65535;i++)
@@ -97,7 +114,7 @@
     DestroyWindow (hwEdit);
 
     trace("EDIT: Multiline line\n");
-    hwEdit = create_editcontrol(ES_MULTILINE | WS_VSCROLL | ES_AUTOVSCROLL);
+    hwEdit = create_editcontrol(ES_MULTILINE | WS_VSCROLL | ES_AUTOVSCROLL, 0);
     r = get_edit_style(hwEdit);
     ok(r == (ES_AUTOHSCROLL | ES_AUTOVSCROLL | ES_MULTILINE), "Wrong style expected 0xc4 got: 0x%lx\n", r); 
     for (i=0;i<65535;i++)
@@ -110,7 +127,7 @@
     DestroyWindow (hwEdit);
 
     trace("EDIT: Multi line want returns\n");
-    hwEdit = create_editcontrol(ES_MULTILINE | WS_VSCROLL | ES_AUTOVSCROLL | ES_WANTRETURN);
+    hwEdit = create_editcontrol(ES_MULTILINE | WS_VSCROLL | ES_AUTOVSCROLL | ES_WANTRETURN, 0);
     r = get_edit_style(hwEdit);
     ok(r == (ES_WANTRETURN | ES_AUTOHSCROLL | ES_AUTOVSCROLL | ES_MULTILINE), "Wrong style expected 0x10c4 got: 0x%lx\n", r); 
     for (i=0;i<65535;i++)
@@ -121,6 +138,129 @@
 	    "Expected DLGC_WANTCHARS | DLGC_HASSETSEL | DLGC_WANTALLKEYS | DLGC_WANTARROWS got %lx\n", r);
     }
     DestroyWindow (hwEdit);
+
+    /* Get a stock font for which we can determine the metrics */
+    Font = GetStockObject(SYSTEM_FONT);
+    assert(NULL != Font);
+    Dc = GetDC(NULL);
+    assert(NULL != Dc);
+    OldFont = SelectObject(Dc, Font);
+    assert(NULL != OldFont);
+    if (! GetTextMetrics(Dc, &Metrics))
+    {
+	assert(FALSE);
+    }
+    SelectObject(Dc, OldFont);
+    ReleaseDC(NULL, Dc);
+
+    trace("EDIT: vertical text position\n");
+    hwEdit = create_editcontrol(WS_POPUP, 0);
+    SendMessage(hwEdit, WM_SETFONT, (WPARAM) Font, (LPARAM) FALSE);
+    set_client_height(hwEdit, Metrics.tmHeight - 1);
+    SendMessage(hwEdit, EM_GETRECT, 0, (LPARAM) &FormatRect);
+    ok(0 == FormatRect.top, "wrong vertical position expected 0 got %ld\n", FormatRect.top);
+    ok(Metrics.tmHeight - 1 == FormatRect.bottom - FormatRect.top, "wrong height expected %ld got %ld\n", Metrics.tmHeight - 1, FormatRect.bottom - FormatRect.top);
+    set_client_height(hwEdit, Metrics.tmHeight);
+    SendMessage(hwEdit, EM_GETRECT, 0, (LPARAM) &FormatRect);
+    ok(0 == FormatRect.top, "wrong vertical position expected 0 got %ld\n", FormatRect.top);
+    ok(Metrics.tmHeight == FormatRect.bottom - FormatRect.top, "wrong height expected %ld got %ld\n", Metrics.tmHeight, FormatRect.bottom - FormatRect.top);
+    set_client_height(hwEdit, Metrics.tmHeight + 1);
+    SendMessage(hwEdit, EM_GETRECT, 0, (LPARAM) &FormatRect);
+    ok(0 == FormatRect.top, "wrong vertical position expected 0 got %ld\n", FormatRect.top);
+    ok(Metrics.tmHeight == FormatRect.bottom - FormatRect.top, "wrong height expected %ld got %ld\n", Metrics.tmHeight, FormatRect.bottom - FormatRect.top);
+    set_client_height(hwEdit, Metrics.tmHeight + 2);
+    SendMessage(hwEdit, EM_GETRECT, 0, (LPARAM) &FormatRect);
+    ok(0 == FormatRect.top, "wrong vertical position expected 0 got %ld\n", FormatRect.top);
+    ok(Metrics.tmHeight == FormatRect.bottom - FormatRect.top, "wrong height expected %ld got %ld\n", Metrics.tmHeight, FormatRect.bottom - FormatRect.top);
+    set_client_height(hwEdit, Metrics.tmHeight + 10);
+    SendMessage(hwEdit, EM_GETRECT, 0, (LPARAM) &FormatRect);
+    ok(0 == FormatRect.top, "wrong vertical position expected 0 got %ld\n", FormatRect.top);
+    ok(Metrics.tmHeight == FormatRect.bottom - FormatRect.top, "wrong height expected %ld got %ld\n", Metrics.tmHeight, FormatRect.bottom - FormatRect.top);
+    DestroyWindow(hwEdit);
+
+    hwEdit = create_editcontrol(WS_POPUP | WS_BORDER, 0);
+    SendMessage(hwEdit, WM_SETFONT, (WPARAM) Font, (LPARAM) FALSE);
+    set_client_height(hwEdit, Metrics.tmHeight - 1);
+    SendMessage(hwEdit, EM_GETRECT, 0, (LPARAM) &FormatRect);
+    ok(0 == FormatRect.top, "wrong vertical position expected 0 got %ld\n", FormatRect.top);
+    ok(Metrics.tmHeight - 1 == FormatRect.bottom - FormatRect.top, "wrong height expected %ld got %ld\n", Metrics.tmHeight - 1, FormatRect.bottom - FormatRect.top);
+    set_client_height(hwEdit, Metrics.tmHeight);
+    SendMessage(hwEdit, EM_GETRECT, 0, (LPARAM) &FormatRect);
+    ok(0 == FormatRect.top, "wrong vertical position expected 0 got %ld\n", FormatRect.top);
+    ok(Metrics.tmHeight == FormatRect.bottom - FormatRect.top, "wrong height expected %ld got %ld\n", Metrics.tmHeight, FormatRect.bottom - FormatRect.top);
+    set_client_height(hwEdit, Metrics.tmHeight + 2);
+    SendMessage(hwEdit, EM_GETRECT, 0, (LPARAM) &FormatRect);
+    ok(0 == FormatRect.top, "wrong vertical position expected 0 got %ld\n", FormatRect.top);
+    ok(Metrics.tmHeight == FormatRect.bottom - FormatRect.top, "wrong height expected %ld got %ld\n", Metrics.tmHeight, FormatRect.bottom - FormatRect.top);
+    set_client_height(hwEdit, Metrics.tmHeight + 3);
+    SendMessage(hwEdit, EM_GETRECT, 0, (LPARAM) &FormatRect);
+    ok(0 == FormatRect.top, "wrong vertical position expected 0 got %ld\n", FormatRect.top);
+    ok(Metrics.tmHeight == FormatRect.bottom - FormatRect.top, "wrong height expected %ld got %ld\n", Metrics.tmHeight, FormatRect.bottom - FormatRect.top);
+    set_client_height(hwEdit, Metrics.tmHeight + 4);
+    SendMessage(hwEdit, EM_GETRECT, 0, (LPARAM) &FormatRect);
+    ok(2 == FormatRect.top, "wrong vertical position expected 2 got %ld\n", FormatRect.top);
+    ok(Metrics.tmHeight == FormatRect.bottom - FormatRect.top, "wrong height expected %ld got %ld\n", Metrics.tmHeight, FormatRect.bottom - FormatRect.top);
+    set_client_height(hwEdit, Metrics.tmHeight + 10);
+    SendMessage(hwEdit, EM_GETRECT, 0, (LPARAM) &FormatRect);
+    ok(2 == FormatRect.top, "wrong vertical position expected 0 got %ld\n", FormatRect.top);
+    ok(Metrics.tmHeight == FormatRect.bottom - FormatRect.top, "wrong height expected %ld got %ld\n", Metrics.tmHeight, FormatRect.bottom - FormatRect.top);
+    DestroyWindow(hwEdit);
+
+    hwEdit = create_editcontrol(WS_POPUP, WS_EX_CLIENTEDGE);
+    SendMessage(hwEdit, WM_SETFONT, (WPARAM) Font, (LPARAM) FALSE);
+    set_client_height(hwEdit, Metrics.tmHeight - 1);
+    SendMessage(hwEdit, EM_GETRECT, 0, (LPARAM) &FormatRect);
+    ok(0 == FormatRect.top, "wrong vertical position expected 0 got %ld\n", FormatRect.top);
+    ok(Metrics.tmHeight - 1 == FormatRect.bottom - FormatRect.top, "wrong height expected %ld got %ld\n", Metrics.tmHeight - 1, FormatRect.bottom - FormatRect.top);
+    set_client_height(hwEdit, Metrics.tmHeight);
+    SendMessage(hwEdit, EM_GETRECT, 0, (LPARAM) &FormatRect);
+    ok(0 == FormatRect.top, "wrong vertical position expected 0 got %ld\n", FormatRect.top);
+    ok(Metrics.tmHeight == FormatRect.bottom - FormatRect.top, "wrong height expected %ld got %ld\n", Metrics.tmHeight, FormatRect.bottom - FormatRect.top);
+    set_client_height(hwEdit, Metrics.tmHeight + 1);
+    SendMessage(hwEdit, EM_GETRECT, 0, (LPARAM) &FormatRect);
+    ok(0 == FormatRect.top, "wrong vertical position expected 0 got %ld\n", FormatRect.top);
+    ok(Metrics.tmHeight == FormatRect.bottom - FormatRect.top, "wrong height expected %ld got %ld\n", Metrics.tmHeight, FormatRect.bottom - FormatRect.top);
+    set_client_height(hwEdit, Metrics.tmHeight + 2);
+    SendMessage(hwEdit, EM_GETRECT, 0, (LPARAM) &FormatRect);
+    ok(1 == FormatRect.top, "wrong vertical position expected 1 got %ld\n", FormatRect.top);
+    ok(Metrics.tmHeight == FormatRect.bottom - FormatRect.top, "wrong height expected %ld got %ld\n", Metrics.tmHeight, FormatRect.bottom - FormatRect.top);
+    set_client_height(hwEdit, Metrics.tmHeight + 4);
+    SendMessage(hwEdit, EM_GETRECT, 0, (LPARAM) &FormatRect);
+    ok(1 == FormatRect.top, "wrong vertical position expected 1 got %ld\n", FormatRect.top);
+    ok(Metrics.tmHeight == FormatRect.bottom - FormatRect.top, "wrong height expected %ld got %ld\n", Metrics.tmHeight, FormatRect.bottom - FormatRect.top);
+    set_client_height(hwEdit, Metrics.tmHeight + 10);
+    SendMessage(hwEdit, EM_GETRECT, 0, (LPARAM) &FormatRect);
+    ok(1 == FormatRect.top, "wrong vertical position expected 1 got %ld\n", FormatRect.top);
+    ok(Metrics.tmHeight == FormatRect.bottom - FormatRect.top, "wrong height expected %ld got %ld\n", Metrics.tmHeight, FormatRect.bottom - FormatRect.top);
+    DestroyWindow(hwEdit);
+
+    hwEdit = create_editcontrol(WS_POPUP | WS_BORDER, WS_EX_CLIENTEDGE);
+    SendMessage(hwEdit, WM_SETFONT, (WPARAM) Font, (LPARAM) FALSE);
+    set_client_height(hwEdit, Metrics.tmHeight - 1);
+    SendMessage(hwEdit, EM_GETRECT, 0, (LPARAM) &FormatRect);
+    ok(0 == FormatRect.top, "wrong vertical position expected 0 got %ld\n", FormatRect.top);
+    ok(Metrics.tmHeight - 1 == FormatRect.bottom - FormatRect.top, "wrong height expected %ld got %ld\n", Metrics.tmHeight - 1, FormatRect.bottom - FormatRect.top);
+    set_client_height(hwEdit, Metrics.tmHeight);
+    SendMessage(hwEdit, EM_GETRECT, 0, (LPARAM) &FormatRect);
+    ok(0 == FormatRect.top, "wrong vertical position expected 0 got %ld\n", FormatRect.top);
+    ok(Metrics.tmHeight == FormatRect.bottom - FormatRect.top, "wrong height expected %ld got %ld\n", Metrics.tmHeight, FormatRect.bottom - FormatRect.top);
+    set_client_height(hwEdit, Metrics.tmHeight + 1);
+    SendMessage(hwEdit, EM_GETRECT, 0, (LPARAM) &FormatRect);
+    ok(0 == FormatRect.top, "wrong vertical position expected 0 got %ld\n", FormatRect.top);
+    ok(Metrics.tmHeight == FormatRect.bottom - FormatRect.top, "wrong height expected %ld got %ld\n", Metrics.tmHeight, FormatRect.bottom - FormatRect.top);
+    set_client_height(hwEdit, Metrics.tmHeight + 2);
+    SendMessage(hwEdit, EM_GETRECT, 0, (LPARAM) &FormatRect);
+    ok(1 == FormatRect.top, "wrong vertical position expected 1 got %ld\n", FormatRect.top);
+    ok(Metrics.tmHeight == FormatRect.bottom - FormatRect.top, "wrong height expected %ld got %ld\n", Metrics.tmHeight, FormatRect.bottom - FormatRect.top);
+    set_client_height(hwEdit, Metrics.tmHeight + 4);
+    SendMessage(hwEdit, EM_GETRECT, 0, (LPARAM) &FormatRect);
+    ok(1 == FormatRect.top, "wrong vertical position expected 1 got %ld\n", FormatRect.top);
+    ok(Metrics.tmHeight == FormatRect.bottom - FormatRect.top, "wrong height expected %ld got %ld\n", Metrics.tmHeight, FormatRect.bottom - FormatRect.top);
+    set_client_height(hwEdit, Metrics.tmHeight + 10);
+    SendMessage(hwEdit, EM_GETRECT, 0, (LPARAM) &FormatRect);
+    ok(1 == FormatRect.top, "wrong vertical position expected 1 got %ld\n", FormatRect.top);
+    ok(Metrics.tmHeight == FormatRect.bottom - FormatRect.top, "wrong height expected %ld got %ld\n", Metrics.tmHeight, FormatRect.bottom - FormatRect.top);
+    DestroyWindow(hwEdit);
 }
 
 START_TEST(edit)



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