Comments (8)
vadz
commented on June 11, 2024
Just to check, when you say "latest", it's really latest, including #24423 (~a week ago)?
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tobiolo
commented on June 11, 2024
Just to check, when you say "latest", it's really latest, including #24423 (~a week ago)?
Thanks for your quick reply. Yes, it does include #24423.
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tobiolo
commented on June 11, 2024
Just for information:
(gdb) b wxGTKIsSameFormat(_GdkAtom*, _GdkAtom*)
Breakpoint 1 at 0x429db8: file /home/t2b3/development/treesheets/lib/wxWidgets/src/gtk/dataobj.cpp, line 179.
Thread 1 "treesheets" hit Breakpoint 1, wxGTKIsSameFormat (atom1=0x47, atom2=0x4e) at /home/t2b3/development/treesheets/lib/wxWidgets/src/gtk/dataobj.cpp:179
179 if (atom1 == atom2)
(gdb) f
#0 wxGTKIsSameFormat (atom1=0x47, atom2=0x4e) at /home/t2b3/development/treesheets/lib/wxWidgets/src/gtk/dataobj.cpp:179
179 if (atom1 == atom2)
(gdb) s
182 if (atom1 == g_u8strAtom && atom2 == g_u8textAtom)
(gdb) p g_u8strAtom
$4 = {m_name = 0x555555e814cb "UTF8_STRING", m_atom = 0x47}
(gdb) p g_u8textAtom
$5 = {m_name = 0x555555e814de "text/plain;charset=utf-8", m_atom = 0x4e}
(gdb) p atom1
$6 = (GdkAtom) 0x47
(gdb) p atom2
$7 = (GdkAtom) 0x4e
(gdb) s
(anonymous namespace)::operator== (atom=0x47, wxatom=...) at /home/t2b3/development/treesheets/lib/wxWidgets/src/gtk/dataobj.cpp:68
68 return atom == wxatom.Get();
(gdb) p atom
$8 = (GdkAtom) 0x47
(gdb) p wxatom
$9 = (const (anonymous namespace)::wxGdkAtom &) @0x555556233610: {m_name = 0x555555e814cb "UTF8_STRING", m_atom = 0x47}
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tobiolo
commented on June 11, 2024
I guess the relevant breakpoints are
(gdb) info b
Num Type Disp Enb Address What
1 breakpoint keep y 0x000055555597860f in wxClipboard::DoGetTarget(wxDataFormat const&) at /home/t2b3/development/treesheets/lib/wxWidgets/src/gtk/clipbrd.cpp:561
breakpoint already hit 11 times
2 breakpoint keep y 0x0000555555975e96 in wxClipboard::GTKOnTargetReceived(wxDataFormat const&) at /home/t2b3/development/treesheets/lib/wxWidgets/src/gtk/clipbrd.cpp:181
breakpoint already hit 1 time
3 breakpoint keep y 0x0000555555975e7b in wxClipboard::GTKOnTargetReceived(wxDataFormat const&) at /home/t2b3/development/treesheets/lib/wxWidgets/src/gtk/clipbrd.cpp:178
breakpoint already hit 22 times
``
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tobiolo
commented on June 11, 2024
I think that this should illustrate the issue and the interplay between wxClipboard::DoGetTarget(wxDataFormat const&) and wxClipboard::GTKOnTargetReceived(wxDataFormat const&).
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vadz
commented on June 11, 2024
Sorry, I'm a bit lost here, could you please clarify what exactly the problem is and how can it be reproduced? The fact that the atom doesn't "match" is not necessarily a problem per se, it's just an implementation detail, so I'd like to understand what actually goes wrong at the application level.
As usual, having (the smallest possible) patch to the text sample would be ideal. TIA!
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tobiolo
commented on June 11, 2024
Here is the smallest patch.
diff --git a/samples/text/text.cpp b/samples/text/text.cpp
index 172128b090..baa589a33d 100644
--- a/samples/text/text.cpp
+++ b/samples/text/text.cpp
@@ -1345,20 +1345,22 @@ void MyPanel::DoPasteFromClipboard()
#endif // wxUSE_LOG
}
- wxTextDataObject data;
+ wxDataObjectComposite* datac = new wxDataObjectComposite();
+ wxTextDataObject* data = new wxTextDataObject();
+ datac->Add(data);
- if (wxTheClipboard->IsSupported( data.GetFormat() ))
+ if (wxTheClipboard->IsSupported( data->GetFormat() ))
{
#if wxUSE_LOG
*m_log << "Clipboard supports requested format.\n";
#endif // wxUSE_LOG
- if (wxTheClipboard->GetData( data ))
+ if (wxTheClipboard->GetData( *datac ))
{
#if wxUSE_LOG
*m_log << "Successfully retrieved data from the clipboard.\n";
#endif // wxUSE_LOG
- GetFocusedText()->AppendText(data.GetText());
+ GetFocusedText()->AppendText(data->GetText());
}
else
{
When you run the application with Wayland, copy some text from GNOME Nautilus or from the address bar in Google Chrome (examples only using the two text/plain mimetype atoms) and then try to paste with the menubar action in the application you get an assert error:
/home/t2b3/development/treesheets/lib/wxWidgets/src/common/dobjcmn.cpp(210): assert "dataObj" failed in SetData(): unsupported format in wxDataObjectComposite
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vadz
commented on June 11, 2024
Should be fixed by #24505, please let me know if you still see any problems. TIA!
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