View Issue Details
| ID | Project | Category | View Status | Date Submitted | Last Update |
|---|---|---|---|---|---|
| 0024941 | Lazarus | LCL | public | 2013-09-02 13:28 | 2013-10-08 21:49 |
| Reporter | Andrey Zubarev | Assigned To | Zeljan Rikalo | ||
| Priority | normal | Severity | minor | Reproducibility | have not tried |
| Status | assigned | Resolution | open | ||
| Summary | 0024941: TListView.onCustomDrawSubItem | ||||
| Description | LCL&Win32 with customdraw TListView have youself to paint the background subitem, it is impossible to do the right thing (http://forum.lazarus.freepascal.org/index.php/topic,21921). In Delphi background is painted in VCL before to the call CustomDrawSubItem, to care about this unnecessary | ||||
| Tags | No tags attached. | ||||
| Fixed in Revision | |||||
| LazTarget | - | ||||
| Widgetset | Win32/Win64 | ||||
| Attached Files |
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| related to | 0007059 | resolved | Zeljan Rikalo | TListView: OnCustomDraw event |
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Please attach example. |
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win32subitempaint.diff (586 bytes)
Index: lcl/interfaces/win32/win32wscustomlistview.inc
===================================================================
--- lcl/interfaces/win32/win32wscustomlistview.inc (revision 43157)
+++ lcl/interfaces/win32/win32wscustomlistview.inc (working copy)
@@ -186,6 +186,7 @@
begin
// subitem 0 is handled by dtItem
if DrawInfo^.iSubItem = 0 then Exit;
+ ALV.Canvas.FillRect(DrawInfo^.nmcd.rc);
DrawResult := ALV.IntfCustomDraw(dtSubItem, Stage,
DrawInfo^.nmcd.dwItemSpec, DrawInfo^.iSubItem,
ConvState(DrawInfo^.nmcd.uItemState), nil);
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Please test attached patch and see if that fixes issue. |
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Unfortunately no, this patch is only drawn background for the SubItems with DefaultDraw:=true |
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Please attach example which shows exact problem (I don't understand what's your exact point). |
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I also stopped to understand something)) Since the bug report the situation has changed. I attach an example that I have is not working properly. do not draw the background for custom SubItems, some elements are sometimes not drawn. |
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Inside there is an example of Lazarus source and Delphi source&exe - see how it works there |
| Date Modified | Username | Field | Change |
|---|---|---|---|
| 2013-09-02 13:28 | Andrey Zubarev | New Issue | |
| 2013-10-07 14:25 | Zeljan Rikalo | Relationship added | related to 0007059 |
| 2013-10-07 16:02 | Zeljan Rikalo | LazTarget | => - |
| 2013-10-07 16:02 | Zeljan Rikalo | Note Added: 0070617 | |
| 2013-10-07 16:02 | Zeljan Rikalo | Assigned To | => Zeljan Rikalo |
| 2013-10-07 16:02 | Zeljan Rikalo | Status | new => feedback |
| 2013-10-07 16:11 | Zeljan Rikalo | File Added: win32subitempaint.diff | |
| 2013-10-07 16:11 | Zeljan Rikalo | Note Added: 0070619 | |
| 2013-10-08 20:45 | Andrey Zubarev | Note Added: 0070674 | |
| 2013-10-08 20:45 | Andrey Zubarev | Status | feedback => assigned |
| 2013-10-08 20:53 | Zeljan Rikalo | Note Added: 0070676 | |
| 2013-10-08 20:53 | Zeljan Rikalo | Status | assigned => feedback |
| 2013-10-08 21:44 | Andrey Zubarev | Note Added: 0070679 | |
| 2013-10-08 21:44 | Andrey Zubarev | Status | feedback => assigned |
| 2013-10-08 21:44 | Andrey Zubarev | File Added: bug3.zip | |
| 2013-10-08 21:49 | Andrey Zubarev | Note Added: 0070681 |
