[PATCH 4/5] riched20: Enable and show the scrollbar before updating its position and range.
Huw Davies
huw at codeweavers.com
Mon Mar 22 03:55:52 CDT 2021
Signed-off-by: Huw Davies <huw at codeweavers.com>
---
dlls/riched20/paint.c | 38 ++++++++++++++++++++------------------
1 file changed, 20 insertions(+), 18 deletions(-)
diff --git a/dlls/riched20/paint.c b/dlls/riched20/paint.c
index c9e2fab0be6..0b29aba4f9f 100644
--- a/dlls/riched20/paint.c
+++ b/dlls/riched20/paint.c
@@ -1033,6 +1033,14 @@ static void draw_paragraph( ME_Context *c, ME_Paragraph *para )
SetTextAlign( c->hDC, align );
}
+static void enable_show_scrollbar( ME_TextEditor *editor, INT bar, BOOL enable )
+{
+ if (enable || editor->scrollbars & ES_DISABLENOSCROLL)
+ ITextHost_TxEnableScrollBar( editor->texthost, bar, enable ? 0 : ESB_DISABLE_BOTH );
+ if (!(editor->scrollbars & ES_DISABLENOSCROLL))
+ ITextHost_TxShowScrollBar( editor->texthost, bar, enable );
+}
+
static void set_scroll_range_pos( ITextHost *host, INT bar, SCROLLINFO *info, BOOL set_range )
{
LONG max_pos = info->nMax, pos = info->nPos;
@@ -1145,6 +1153,12 @@ void ME_UpdateScrollBar(ME_TextEditor *editor)
return;
}
+ if (editor->scrollbars & WS_HSCROLL && !enable ^ !editor->horz_sb_enabled)
+ {
+ editor->horz_sb_enabled = enable;
+ enable_show_scrollbar( editor, SB_HORZ, enable );
+ }
+
if (editor->horz_si.nMax != editor->nTotalWidth || editor->horz_si.nPage != editor->sizeWindow.cx)
{
editor->horz_si.nMax = editor->nTotalWidth;
@@ -1154,15 +1168,6 @@ void ME_UpdateScrollBar(ME_TextEditor *editor)
set_scroll_range_pos( editor->texthost, SB_HORZ, &editor->horz_si, TRUE );
}
- if (editor->scrollbars & WS_HSCROLL && !enable ^ !editor->horz_sb_enabled)
- {
- if (enable || editor->scrollbars & ES_DISABLENOSCROLL)
- ITextHost_TxEnableScrollBar( editor->texthost, SB_HORZ, enable ? 0 : ESB_DISABLE_BOTH );
- if (!(editor->scrollbars & ES_DISABLENOSCROLL))
- ITextHost_TxShowScrollBar( editor->texthost, SB_HORZ, enable );
- editor->horz_sb_enabled = enable;
- }
-
/* Update vertical scrollbar */
enable = editor->nTotalLength > editor->sizeWindow.cy && (editor->props & TXTBIT_MULTILINE);
@@ -1173,6 +1178,12 @@ void ME_UpdateScrollBar(ME_TextEditor *editor)
return;
}
+ if (editor->scrollbars & WS_VSCROLL && !enable ^ !editor->vert_sb_enabled)
+ {
+ editor->vert_sb_enabled = enable;
+ enable_show_scrollbar( editor, SB_VERT, enable );
+ }
+
if (editor->vert_si.nMax != editor->nTotalLength || editor->vert_si.nPage != editor->sizeWindow.cy)
{
editor->vert_si.nMax = editor->nTotalLength;
@@ -1181,15 +1192,6 @@ void ME_UpdateScrollBar(ME_TextEditor *editor)
if ((enable || editor->vert_sb_enabled) && editor->scrollbars & WS_VSCROLL)
set_scroll_range_pos( editor->texthost, SB_VERT, &editor->vert_si, TRUE );
}
-
- if (editor->scrollbars & WS_VSCROLL && !enable ^ !editor->vert_sb_enabled)
- {
- if (enable || editor->scrollbars & ES_DISABLENOSCROLL)
- ITextHost_TxEnableScrollBar( editor->texthost, SB_VERT, enable ? 0 : ESB_DISABLE_BOTH );
- if (!(editor->scrollbars & ES_DISABLENOSCROLL))
- ITextHost_TxShowScrollBar( editor->texthost, SB_VERT, enable );
- editor->vert_sb_enabled = enable;
- }
}
void editor_ensure_visible( ME_TextEditor *editor, ME_Cursor *cursor )
--
2.23.0
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