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check in the 'selective yield' patch (see ticket #10320):

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- implements YieldFor() with event filtering for wxMSW and wxGTK,
  adds TODO markers in other ports;
- replaces wxYield() in GTK's clipboard code with a wxTheApp->YieldFor() call, thus fixing possible reentrancies 
(and modifies clipboard sample to test synchronous IsSupported calls)
- replaces wxYieldIfNeeded() calls in wxProgressDialog with wxTheApp->YieldFor() calls, so that it processes only 
UI/user-input events, thus fixing the race condition visible in the "thread" sample
- documents the new functions


git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@58654 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
This commit is contained in:
Francesco Montorsi
2009-02-04 17:42:28 +00:00
parent a721fd82b7
commit d48b06bd90
39 changed files with 777 additions and 111 deletions
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17
samples/clipboard/clipboard.cpp
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@@ -1,6 +1,6 @@
/////////////////////////////////////////////////////////////////////////////
// Name: clipboard.cpp
// Purpose: clipbaord wxWidgets sample
// Purpose: clipboard wxWidgets sample
// Author: Robert Roebling
// RCS-ID: $Id: minimal.cpp 53461 2008-05-05 23:30:33Z VZ $
// Copyright: (c) Robert Roebling
@@ -9,7 +9,7 @@
// For compilers that support precompilation, includes "wx/wx.h".
#include "wx/wxprec.h"
#ifdef __BORLANDC__
#pragma hdrstop
#endif
@@ -27,7 +27,7 @@
#endif
#define USE_ASYNCHRONOUS_CLIPBOARD_REQUEST 1
#define USE_ASYNCHRONOUS_CLIPBOARD_REQUEST 0
class MyApp : public wxApp
{
@@ -94,7 +94,7 @@ bool MyApp::OnInit()
MyFrame *frame = new MyFrame("wxClipboard sample");
frame->Show(true);
return true;
}
@@ -103,7 +103,7 @@ MyFrame::MyFrame(const wxString& title)
{
// set the frame icon
SetIcon(wxICON(sample));
#if USE_ASYNCHRONOUS_CLIPBOARD_REQUEST
m_request = Idle;
m_clipboardSupportsText = false;
@@ -129,7 +129,7 @@ MyFrame::MyFrame(const wxString& title)
#endif // wxUSE_MENUS
wxPanel *panel = new wxPanel( this, -1 );
wxBoxSizer *main_sizer = new wxBoxSizer( wxVERTICAL );
main_sizer->Add( new wxButton( panel, ID_Write, "Get clipboard text" ) );
m_textctrl = new wxTextCtrl( panel, ID_Text, "", wxDefaultPosition,
@@ -148,7 +148,7 @@ void MyFrame::OnWriteClipboardContents(wxCommandEvent& WXUNUSED(event))
wxTheClipboard->GetData( data );
m_textctrl->Clear();
m_textctrl->SetValue( data.GetText() );
}
wxTheClipboard->Close();
}
@@ -175,7 +175,7 @@ void MyFrame::OnUpdateUI(wxUpdateUIEvent&event)
}
m_request = Waiting;
event.Enable( m_clipboardSupportsText ); // not yet known, assume last value
}
}
else if (m_request == Waiting)
{
event.Enable( m_clipboardSupportsText ); // not yet known, assume last value
@@ -198,6 +198,7 @@ void MyFrame::OnQuit(wxCommandEvent& WXUNUSED(event))
void MyFrame::OnAbout(wxCommandEvent& WXUNUSED(event))
{
wxMessageBox("Clipboard sample", "About clipboard", wxOK|wxICON_INFORMATION, this);
}