d76fec130d
git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/branches/WX_2_4_BRANCH@17781 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
1271 lines
34 KiB
C++
1271 lines
34 KiB
C++
/////////////////////////////////////////////////////////////////////////////
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// Name: app.cpp
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// Purpose: wxApp
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// Author: Julian Smart
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// Modified by:
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// Created: 17/09/98
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// RCS-ID: $Id$
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// Copyright: (c) Julian Smart
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// Licence: wxWindows licence
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/////////////////////////////////////////////////////////////////////////////
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#ifdef __GNUG__
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#pragma implementation "app.h"
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#endif
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#include "wx/frame.h"
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#include "wx/app.h"
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#include "wx/utils.h"
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#include "wx/gdicmn.h"
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#include "wx/icon.h"
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#include "wx/dialog.h"
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#include "wx/log.h"
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#include "wx/module.h"
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#include "wx/memory.h"
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#include "wx/log.h"
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#include "wx/intl.h"
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#include "wx/evtloop.h"
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#include "wx/timer.h"
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#include "wx/filename.h"
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#include "wx/univ/theme.h"
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#include "wx/univ/renderer.h"
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#define ABS(a) (((a) < 0) ? -(a) : (a))
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#if wxUSE_THREADS
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#include "wx/thread.h"
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#endif
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#if wxUSE_WX_RESOURCES
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#include "wx/resource.h"
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#endif
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#include "wx/x11/private.h"
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#include <string.h>
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//------------------------------------------------------------------------
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// global data
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//------------------------------------------------------------------------
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extern wxList wxPendingDelete;
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wxHashTable *wxWidgetHashTable = NULL;
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wxHashTable *wxClientWidgetHashTable = NULL;
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wxApp *wxTheApp = NULL;
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// This is set within wxEntryStart -- too early on
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// to put these in wxTheApp
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static bool g_showIconic = FALSE;
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static wxSize g_initialSize = wxDefaultSize;
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// This is required for wxFocusEvent::SetWindow(). It will only
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// work for focus events which we provoke ourselves (by calling
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// SetFocus()). It will not work for those events, which X11
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// generates itself.
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static wxWindow *g_nextFocus = NULL;
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static wxWindow *g_prevFocus = NULL;
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//------------------------------------------------------------------------
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// X11 error handling
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//------------------------------------------------------------------------
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#ifdef __WXDEBUG__
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typedef int (*XErrorHandlerFunc)(Display *, XErrorEvent *);
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XErrorHandlerFunc gs_pfnXErrorHandler = 0;
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static int wxXErrorHandler(Display *dpy, XErrorEvent *xevent)
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{
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// just forward to the default handler for now
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if (gs_pfnXErrorHandler)
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return gs_pfnXErrorHandler(dpy, xevent);
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else
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return 0;
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}
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#endif // __WXDEBUG__
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//------------------------------------------------------------------------
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// wxApp
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//------------------------------------------------------------------------
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long wxApp::sm_lastMessageTime = 0;
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WXDisplay *wxApp::ms_display = NULL;
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IMPLEMENT_DYNAMIC_CLASS(wxApp, wxEvtHandler)
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BEGIN_EVENT_TABLE(wxApp, wxEvtHandler)
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EVT_IDLE(wxApp::OnIdle)
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END_EVENT_TABLE()
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bool wxApp::Initialize()
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{
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wxClassInfo::InitializeClasses();
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#if wxUSE_INTL
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wxFont::SetDefaultEncoding(wxLocale::GetSystemEncoding());
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#endif
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// GL: I'm annoyed ... I don't know where to put this and I don't want to
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// create a module for that as it's part of the core.
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#if wxUSE_THREADS
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wxPendingEventsLocker = new wxCriticalSection();
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#endif
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wxTheColourDatabase = new wxColourDatabase(wxKEY_STRING);
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wxTheColourDatabase->Initialize();
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wxInitializeStockLists();
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wxInitializeStockObjects();
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#if wxUSE_WX_RESOURCES
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wxInitializeResourceSystem();
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#endif
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wxWidgetHashTable = new wxHashTable(wxKEY_INTEGER);
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wxClientWidgetHashTable = new wxHashTable(wxKEY_INTEGER);
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wxModule::RegisterModules();
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if (!wxModule::InitializeModules()) return FALSE;
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return TRUE;
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}
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void wxApp::CleanUp()
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{
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delete wxWidgetHashTable;
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wxWidgetHashTable = NULL;
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delete wxClientWidgetHashTable;
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wxClientWidgetHashTable = NULL;
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wxModule::CleanUpModules();
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#if wxUSE_WX_RESOURCES
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wxCleanUpResourceSystem();
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#endif
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delete wxTheColourDatabase;
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wxTheColourDatabase = NULL;
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wxDeleteStockObjects();
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wxDeleteStockLists();
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delete wxTheApp;
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wxTheApp = NULL;
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wxClassInfo::CleanUpClasses();
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#if wxUSE_THREADS
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delete wxPendingEvents;
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delete wxPendingEventsLocker;
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#endif
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#if (defined(__WXDEBUG__) && wxUSE_MEMORY_TRACING) || wxUSE_DEBUG_CONTEXT
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// At this point we want to check if there are any memory
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// blocks that aren't part of the wxDebugContext itself,
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// as a special case. Then when dumping we need to ignore
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// wxDebugContext, too.
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if (wxDebugContext::CountObjectsLeft(TRUE) > 0)
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{
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wxLogDebug("There were memory leaks.");
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wxDebugContext::Dump();
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wxDebugContext::PrintStatistics();
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}
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#endif
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// do it as the very last thing because everything else can log messages
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wxLog::DontCreateOnDemand();
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// do it as the very last thing because everything else can log messages
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delete wxLog::SetActiveTarget(NULL);
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}
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// NB: argc and argv may be changed here, pass by reference!
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int wxEntryStart( int& argc, char *argv[] )
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{
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#ifdef __WXDEBUG__
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#if !wxUSE_NANOX
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// install the X error handler
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gs_pfnXErrorHandler = XSetErrorHandler( wxXErrorHandler );
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#endif
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#endif // __WXDEBUG__
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char *displayName = NULL;
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bool syncDisplay = FALSE;
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int i;
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for (i = 0; i < argc; i++)
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{
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if (strcmp( argv[i], "-display") == 0)
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{
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if (i < (argc - 1))
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{
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i ++;
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displayName = argv[i];
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continue;
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}
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}
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else if (strcmp( argv[i], "-geometry") == 0)
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{
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if (i < (argc - 1))
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{
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i ++;
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int w, h;
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if (sscanf(argv[i], "%dx%d", &w, &h) != 2)
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{
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wxLogError( _("Invalid geometry specification '%s'"), wxString::FromAscii(argv[i]).c_str() );
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}
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else
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{
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g_initialSize = wxSize(w, h);
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}
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continue;
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}
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}
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else if (strcmp( argv[i], "-sync") == 0)
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{
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syncDisplay = TRUE;
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continue;
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}
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else if (strcmp( argv[i], "-iconic") == 0)
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{
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g_showIconic = TRUE;
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continue;
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}
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}
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// X11 display stuff
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Display* xdisplay = XOpenDisplay( displayName );
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if (!xdisplay)
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{
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wxLogError( _("wxWindows could not open display. Exiting.") );
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return -1;
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}
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if (syncDisplay)
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XSynchronize(xdisplay, True);
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wxApp::ms_display = (WXDisplay*) xdisplay;
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XSelectInput( xdisplay, XDefaultRootWindow(xdisplay), PropertyChangeMask);
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// Misc.
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wxSetDetectableAutoRepeat( TRUE );
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#if wxUSE_UNICODE
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// Glib's type system required by Pango
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g_type_init();
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#endif
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if (!wxApp::Initialize())
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return -1;
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return 0;
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}
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int wxEntryInitGui()
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{
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int retValue = 0;
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if ( !wxTheApp->OnInitGui() )
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retValue = -1;
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return retValue;
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}
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int wxEntry( int argc, char *argv[] )
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{
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#if (defined(__WXDEBUG__) && wxUSE_MEMORY_TRACING) || wxUSE_DEBUG_CONTEXT
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// This seems to be necessary since there are 'rogue'
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// objects present at this point (perhaps global objects?)
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// Setting a checkpoint will ignore them as far as the
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// memory checking facility is concerned.
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// Of course you may argue that memory allocated in globals should be
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// checked, but this is a reasonable compromise.
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wxDebugContext::SetCheckpoint();
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#endif
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int err = wxEntryStart(argc, argv);
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if (err)
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return err;
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if (!wxTheApp)
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{
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if (!wxApp::GetInitializerFunction())
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{
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printf( "wxWindows error: No initializer - use IMPLEMENT_APP macro.\n" );
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return 0;
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}
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wxTheApp = (wxApp*) (* wxApp::GetInitializerFunction()) ();
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}
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if (!wxTheApp)
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{
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printf( "wxWindows error: wxTheApp == NULL\n" );
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return 0;
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}
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// Command line argument stuff
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wxTheApp->argc = argc;
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#if wxUSE_UNICODE
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wxTheApp->argv = new wxChar*[argc+1];
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int mb_argc = 0;
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while (mb_argc < argc)
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{
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wxString tmp = wxString::FromAscii( argv[mb_argc] );
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wxTheApp->argv[mb_argc] = wxStrdup( tmp.c_str() );
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mb_argc++;
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}
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wxTheApp->argv[mb_argc] = (wxChar *)NULL;
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#else
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wxTheApp->argv = argv;
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#endif
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if (wxTheApp->argc > 0)
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{
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wxFileName fname( wxTheApp->argv[0] );
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wxTheApp->SetAppName( fname.GetName() );
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}
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wxTheApp->m_showIconic = g_showIconic;
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wxTheApp->m_initialSize = g_initialSize;
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int retValue;
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retValue = wxEntryInitGui();
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// Here frames insert themselves automatically into wxTopLevelWindows by
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// getting created in OnInit().
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if ( retValue == 0 )
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{
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if ( !wxTheApp->OnInit() )
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retValue = -1;
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}
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if ( retValue == 0 )
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{
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if (wxTheApp->Initialized()) retValue = wxTheApp->OnRun();
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}
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// flush the logged messages if any
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wxLog *pLog = wxLog::GetActiveTarget();
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if ( pLog != NULL && pLog->HasPendingMessages() )
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pLog->Flush();
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delete wxLog::SetActiveTarget(new wxLogStderr); // So dialog boxes aren't used
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// for further messages
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if (wxTheApp->GetTopWindow())
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{
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delete wxTheApp->GetTopWindow();
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wxTheApp->SetTopWindow(NULL);
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}
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wxTheApp->DeletePendingObjects();
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wxTheApp->OnExit();
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wxApp::CleanUp();
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return retValue;
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};
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// Static member initialization
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wxAppInitializerFunction wxAppBase::m_appInitFn = (wxAppInitializerFunction) NULL;
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wxApp::wxApp()
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{
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// TODO: parse the command line
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argc = 0;
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argv = NULL;
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m_mainColormap = (WXColormap) NULL;
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m_topLevelWidget = (WXWindow) NULL;
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m_maxRequestSize = 0;
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m_mainLoop = NULL;
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m_showIconic = FALSE;
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m_initialSize = wxDefaultSize;
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#if !wxUSE_NANOX
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m_visualColormap = NULL;
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m_colorCube = NULL;
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#endif
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}
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wxApp::~wxApp()
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{
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#if !wxUSE_NANOX
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if (m_colorCube)
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free( m_colorCube );
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if (m_visualColormap)
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delete [] (XColor*)m_visualColormap;
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#endif
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}
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bool wxApp::Initialized()
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{
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if (GetTopWindow())
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return TRUE;
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else
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return FALSE;
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}
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int wxApp::MainLoop()
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{
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int rt;
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m_mainLoop = new wxEventLoop;
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rt = m_mainLoop->Run();
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delete m_mainLoop;
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m_mainLoop = NULL;
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return rt;
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}
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#if !wxUSE_NANOX
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//-----------------------------------------------------------------------
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// X11 predicate function for exposure compression
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//-----------------------------------------------------------------------
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struct wxExposeInfo
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{
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Window window;
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Bool found_non_matching;
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};
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static Bool expose_predicate (Display *display, XEvent *xevent, XPointer arg)
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{
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wxExposeInfo *info = (wxExposeInfo*) arg;
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if (info->found_non_matching)
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return FALSE;
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if (xevent->xany.type != Expose)
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{
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info->found_non_matching = TRUE;
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return FALSE;
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}
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if (xevent->xexpose.window != info->window)
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{
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info->found_non_matching = TRUE;
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return FALSE;
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}
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return TRUE;
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}
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#endif
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// wxUSE_NANOX
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//-----------------------------------------------------------------------
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// Processes an X event, returning TRUE if the event was processed.
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//-----------------------------------------------------------------------
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bool wxApp::ProcessXEvent(WXEvent* _event)
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{
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XEvent* event = (XEvent*) _event;
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wxWindow* win = NULL;
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Window window = XEventGetWindow(event);
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#if 0
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Window actualWindow = window;
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#endif
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// Find the first wxWindow that corresponds to this event window
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// Because we're receiving events after a window
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// has been destroyed, assume a 1:1 match between
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// Window and wxWindow, so if it's not in the table,
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// it must have been destroyed.
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win = wxGetWindowFromTable(window);
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if (!win)
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{
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#if wxUSE_TWO_WINDOWS
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win = wxGetClientWindowFromTable(window);
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if (!win)
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#endif
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return FALSE;
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}
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#ifdef __WXDEBUG__
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wxString windowClass = win->GetClassInfo()->GetClassName();
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#endif
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switch (event->type)
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{
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case Expose:
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{
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#if wxUSE_TWO_WINDOWS && !wxUSE_NANOX
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if (event->xexpose.window != (Window)win->GetClientAreaWindow())
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{
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XEvent tmp_event;
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wxExposeInfo info;
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info.window = event->xexpose.window;
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info.found_non_matching = FALSE;
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while (XCheckIfEvent( wxGlobalDisplay(), &tmp_event, expose_predicate, (XPointer) &info ))
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{
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// Don't worry about optimizing redrawing the border etc.
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}
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win->NeedUpdateNcAreaInIdle();
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}
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else
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#endif
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{
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win->GetUpdateRegion().Union( XExposeEventGetX(event), XExposeEventGetY(event),
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XExposeEventGetWidth(event), XExposeEventGetHeight(event));
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win->GetClearRegion().Union( XExposeEventGetX(event), XExposeEventGetY(event),
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XExposeEventGetWidth(event), XExposeEventGetHeight(event));
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#if !wxUSE_NANOX
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XEvent tmp_event;
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wxExposeInfo info;
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info.window = event->xexpose.window;
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info.found_non_matching = FALSE;
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while (XCheckIfEvent( wxGlobalDisplay(), &tmp_event, expose_predicate, (XPointer) &info ))
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{
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win->GetUpdateRegion().Union( tmp_event.xexpose.x, tmp_event.xexpose.y,
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tmp_event.xexpose.width, tmp_event.xexpose.height );
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win->GetClearRegion().Union( tmp_event.xexpose.x, tmp_event.xexpose.y,
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tmp_event.xexpose.width, tmp_event.xexpose.height );
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}
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#endif
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// This simplifies the expose and clear areas to simple
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// rectangles.
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win->GetUpdateRegion() = win->GetUpdateRegion().GetBox();
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win->GetClearRegion() = win->GetClearRegion().GetBox();
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// If we only have one X11 window, always indicate
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// that borders might have to be redrawn.
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if (win->GetMainWindow() == win->GetClientAreaWindow())
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win->NeedUpdateNcAreaInIdle();
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// Only erase background, paint in idle time.
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win->SendEraseEvents();
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// win->Update();
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}
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return TRUE;
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}
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#if !wxUSE_NANOX
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case GraphicsExpose:
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{
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printf( "GraphicExpose event\n" );
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wxLogTrace( _T("expose"), _T("GraphicsExpose from %s"), win->GetName().c_str());
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win->GetUpdateRegion().Union( event->xgraphicsexpose.x, event->xgraphicsexpose.y,
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event->xgraphicsexpose.width, event->xgraphicsexpose.height);
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win->GetClearRegion().Union( event->xgraphicsexpose.x, event->xgraphicsexpose.y,
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event->xgraphicsexpose.width, event->xgraphicsexpose.height);
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if (event->xgraphicsexpose.count == 0)
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{
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// Only erase background, paint in idle time.
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win->SendEraseEvents();
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// win->Update();
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}
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return TRUE;
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}
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#endif
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case KeyPress:
|
|
{
|
|
if (!win->IsEnabled())
|
|
return FALSE;
|
|
|
|
wxKeyEvent keyEvent(wxEVT_KEY_DOWN);
|
|
wxTranslateKeyEvent(keyEvent, win, window, event);
|
|
|
|
// wxLogDebug( "OnKey from %s", win->GetName().c_str() );
|
|
|
|
// We didn't process wxEVT_KEY_DOWN, so send wxEVT_CHAR
|
|
if (win->GetEventHandler()->ProcessEvent( keyEvent ))
|
|
return TRUE;
|
|
|
|
keyEvent.SetEventType(wxEVT_CHAR);
|
|
if (win->GetEventHandler()->ProcessEvent( keyEvent ))
|
|
return TRUE;
|
|
|
|
if ( (keyEvent.m_keyCode == WXK_TAB) &&
|
|
win->GetParent() && (win->GetParent()->HasFlag( wxTAB_TRAVERSAL)) )
|
|
{
|
|
wxNavigationKeyEvent new_event;
|
|
new_event.SetEventObject( win->GetParent() );
|
|
/* GDK reports GDK_ISO_Left_Tab for SHIFT-TAB */
|
|
new_event.SetDirection( (keyEvent.m_keyCode == WXK_TAB) );
|
|
/* CTRL-TAB changes the (parent) window, i.e. switch notebook page */
|
|
new_event.SetWindowChange( keyEvent.ControlDown() );
|
|
new_event.SetCurrentFocus( win );
|
|
return win->GetParent()->GetEventHandler()->ProcessEvent( new_event );
|
|
}
|
|
|
|
return FALSE;
|
|
}
|
|
case KeyRelease:
|
|
{
|
|
if (!win->IsEnabled())
|
|
return FALSE;
|
|
|
|
wxKeyEvent keyEvent(wxEVT_KEY_UP);
|
|
wxTranslateKeyEvent(keyEvent, win, window, event);
|
|
|
|
return win->GetEventHandler()->ProcessEvent( keyEvent );
|
|
}
|
|
case ConfigureNotify:
|
|
{
|
|
#if wxUSE_NANOX
|
|
if (event->update.utype == GR_UPDATE_SIZE)
|
|
#endif
|
|
{
|
|
if (win->IsTopLevel())
|
|
{
|
|
wxTopLevelWindow *tlw = (wxTopLevelWindow*) win;
|
|
tlw->SetConfigureGeometry( XConfigureEventGetX(event), XConfigureEventGetY(event),
|
|
XConfigureEventGetWidth(event), XConfigureEventGetHeight(event) );
|
|
}
|
|
|
|
if (win->IsTopLevel() && win->IsShown())
|
|
{
|
|
wxTopLevelWindowX11 *tlw = (wxTopLevelWindowX11 *) win;
|
|
tlw->SetNeedResizeInIdle();
|
|
}
|
|
else
|
|
{
|
|
wxSizeEvent sizeEvent( wxSize(XConfigureEventGetWidth(event), XConfigureEventGetHeight(event)), win->GetId() );
|
|
sizeEvent.SetEventObject( win );
|
|
|
|
return win->GetEventHandler()->ProcessEvent( sizeEvent );
|
|
}
|
|
}
|
|
return FALSE;
|
|
break;
|
|
}
|
|
#if !wxUSE_NANOX
|
|
case PropertyNotify:
|
|
{
|
|
//wxLogDebug("PropertyNotify: %s", windowClass.c_str());
|
|
return HandlePropertyChange(_event);
|
|
}
|
|
case ClientMessage:
|
|
{
|
|
if (!win->IsEnabled())
|
|
return FALSE;
|
|
|
|
Atom wm_delete_window = XInternAtom(wxGlobalDisplay(), "WM_DELETE_WINDOW", True);
|
|
Atom wm_protocols = XInternAtom(wxGlobalDisplay(), "WM_PROTOCOLS", True);
|
|
|
|
if (event->xclient.message_type == wm_protocols)
|
|
{
|
|
if ((Atom) (event->xclient.data.l[0]) == wm_delete_window)
|
|
{
|
|
win->Close(FALSE);
|
|
return TRUE;
|
|
}
|
|
}
|
|
return FALSE;
|
|
}
|
|
#if 0
|
|
case DestroyNotify:
|
|
{
|
|
printf( "destroy from %s\n", win->GetName().c_str() );
|
|
break;
|
|
}
|
|
case CreateNotify:
|
|
{
|
|
printf( "create from %s\n", win->GetName().c_str() );
|
|
break;
|
|
}
|
|
case MapRequest:
|
|
{
|
|
printf( "map request from %s\n", win->GetName().c_str() );
|
|
break;
|
|
}
|
|
case ResizeRequest:
|
|
{
|
|
printf( "resize request from %s\n", win->GetName().c_str() );
|
|
|
|
Display *disp = (Display*) wxGetDisplay();
|
|
XEvent report;
|
|
|
|
// to avoid flicker
|
|
report = * event;
|
|
while( XCheckTypedWindowEvent (disp, actualWindow, ResizeRequest, &report));
|
|
|
|
wxSize sz = win->GetSize();
|
|
wxSizeEvent sizeEvent(sz, win->GetId());
|
|
sizeEvent.SetEventObject(win);
|
|
|
|
return win->GetEventHandler()->ProcessEvent( sizeEvent );
|
|
}
|
|
#endif
|
|
#endif
|
|
#if wxUSE_NANOX
|
|
case GR_EVENT_TYPE_CLOSE_REQ:
|
|
{
|
|
if (win)
|
|
{
|
|
win->Close(FALSE);
|
|
return TRUE;
|
|
}
|
|
return FALSE;
|
|
break;
|
|
}
|
|
#endif
|
|
case EnterNotify:
|
|
case LeaveNotify:
|
|
case ButtonPress:
|
|
case ButtonRelease:
|
|
case MotionNotify:
|
|
{
|
|
if (!win->IsEnabled())
|
|
return FALSE;
|
|
|
|
// Here we check if the top level window is
|
|
// disabled, which is one aspect of modality.
|
|
wxWindow *tlw = win;
|
|
while (tlw && !tlw->IsTopLevel())
|
|
tlw = tlw->GetParent();
|
|
if (tlw && !tlw->IsEnabled())
|
|
return FALSE;
|
|
|
|
if (event->type == ButtonPress)
|
|
{
|
|
if ((win != wxWindow::FindFocus()) && win->AcceptsFocus())
|
|
{
|
|
// This might actually be done in wxWindow::SetFocus()
|
|
// and not here. TODO.
|
|
g_prevFocus = wxWindow::FindFocus();
|
|
g_nextFocus = win;
|
|
|
|
wxLogTrace( _T("focus"), _T("About to call SetFocus on %s of type %s due to button press"), win->GetName().c_str(), win->GetClassInfo()->GetClassName() );
|
|
|
|
// Record the fact that this window is
|
|
// getting the focus, because we'll need to
|
|
// check if its parent is getting a bogus
|
|
// focus and duly ignore it.
|
|
// TODO: may need to have this code in SetFocus, too.
|
|
extern wxWindow* g_GettingFocus;
|
|
g_GettingFocus = win;
|
|
win->SetFocus();
|
|
}
|
|
}
|
|
|
|
#if !wxUSE_NANOX
|
|
if (event->type == LeaveNotify || event->type == EnterNotify)
|
|
{
|
|
// Throw out NotifyGrab and NotifyUngrab
|
|
if (event->xcrossing.mode != NotifyNormal)
|
|
return FALSE;
|
|
}
|
|
#endif
|
|
wxMouseEvent wxevent;
|
|
wxTranslateMouseEvent(wxevent, win, window, event);
|
|
return win->GetEventHandler()->ProcessEvent( wxevent );
|
|
}
|
|
case FocusIn:
|
|
{
|
|
#if !wxUSE_NANOX
|
|
if ((event->xfocus.detail != NotifyPointer) &&
|
|
(event->xfocus.mode == NotifyNormal))
|
|
#endif
|
|
{
|
|
wxLogTrace( _T("focus"), _T("FocusIn from %s of type %s"), win->GetName().c_str(), win->GetClassInfo()->GetClassName() );
|
|
|
|
extern wxWindow* g_GettingFocus;
|
|
if (g_GettingFocus && g_GettingFocus->GetParent() == win)
|
|
{
|
|
// Ignore this, this can be a spurious FocusIn
|
|
// caused by a child having its focus set.
|
|
g_GettingFocus = NULL;
|
|
wxLogTrace( _T("focus"), _T("FocusIn from %s of type %s being deliberately ignored"), win->GetName().c_str(), win->GetClassInfo()->GetClassName() );
|
|
return TRUE;
|
|
}
|
|
else
|
|
{
|
|
wxFocusEvent focusEvent(wxEVT_SET_FOCUS, win->GetId());
|
|
focusEvent.SetEventObject(win);
|
|
focusEvent.SetWindow( g_prevFocus );
|
|
g_prevFocus = NULL;
|
|
|
|
return win->GetEventHandler()->ProcessEvent(focusEvent);
|
|
}
|
|
}
|
|
return FALSE;
|
|
break;
|
|
}
|
|
case FocusOut:
|
|
{
|
|
#if !wxUSE_NANOX
|
|
if ((event->xfocus.detail != NotifyPointer) &&
|
|
(event->xfocus.mode == NotifyNormal))
|
|
#endif
|
|
{
|
|
wxLogTrace( _T("focus"), _T("FocusOut from %s of type %s"), win->GetName().c_str(), win->GetClassInfo()->GetClassName() );
|
|
|
|
wxFocusEvent focusEvent(wxEVT_KILL_FOCUS, win->GetId());
|
|
focusEvent.SetEventObject(win);
|
|
focusEvent.SetWindow( g_nextFocus );
|
|
g_nextFocus = NULL;
|
|
return win->GetEventHandler()->ProcessEvent(focusEvent);
|
|
}
|
|
return FALSE;
|
|
break;
|
|
}
|
|
default:
|
|
{
|
|
#ifdef __WXDEBUG__
|
|
//wxString eventName = wxGetXEventName(XEvent& event);
|
|
//wxLogDebug(wxT("Event %s not handled"), eventName.c_str());
|
|
#endif
|
|
return FALSE;
|
|
break;
|
|
}
|
|
}
|
|
return FALSE;
|
|
}
|
|
|
|
// Returns TRUE if more time is needed.
|
|
// Note that this duplicates wxEventLoopImpl::SendIdleEvent
|
|
// but ProcessIdle may be needed by apps, so is kept.
|
|
bool wxApp::ProcessIdle()
|
|
{
|
|
wxIdleEvent event;
|
|
event.SetEventObject(this);
|
|
ProcessEvent(event);
|
|
|
|
return event.MoreRequested();
|
|
}
|
|
|
|
void wxApp::ExitMainLoop()
|
|
{
|
|
if (m_mainLoop)
|
|
m_mainLoop->Exit(0);
|
|
}
|
|
|
|
// Is a message/event pending?
|
|
bool wxApp::Pending()
|
|
{
|
|
return wxEventLoop::GetActive()->Pending();
|
|
}
|
|
|
|
// Dispatch a message.
|
|
void wxApp::Dispatch()
|
|
{
|
|
wxEventLoop::GetActive()->Dispatch();
|
|
}
|
|
|
|
// This should be redefined in a derived class for
|
|
// handling property change events for XAtom IPC.
|
|
bool wxApp::HandlePropertyChange(WXEvent *event)
|
|
{
|
|
// by default do nothing special
|
|
// TODO: what to do for X11
|
|
// XtDispatchEvent((XEvent*) event);
|
|
return FALSE;
|
|
}
|
|
|
|
void wxApp::OnIdle(wxIdleEvent& event)
|
|
{
|
|
static bool s_inOnIdle = FALSE;
|
|
|
|
// Avoid recursion (via ProcessEvent default case)
|
|
if (s_inOnIdle)
|
|
return;
|
|
|
|
s_inOnIdle = TRUE;
|
|
|
|
// Resend in the main thread events which have been prepared in other
|
|
// threads
|
|
ProcessPendingEvents();
|
|
|
|
// 'Garbage' collection of windows deleted with Close()
|
|
DeletePendingObjects();
|
|
|
|
// Send OnIdle events to all windows
|
|
bool needMore = SendIdleEvents();
|
|
|
|
if (needMore)
|
|
event.RequestMore(TRUE);
|
|
|
|
s_inOnIdle = FALSE;
|
|
}
|
|
|
|
void wxWakeUpIdle()
|
|
{
|
|
// **** please implement me! ****
|
|
// Wake up the idle handler processor, even if it is in another thread...
|
|
}
|
|
|
|
|
|
// Send idle event to all top-level windows
|
|
bool wxApp::SendIdleEvents()
|
|
{
|
|
bool needMore = FALSE;
|
|
|
|
wxWindowList::Node* node = wxTopLevelWindows.GetFirst();
|
|
while (node)
|
|
{
|
|
wxWindow* win = node->GetData();
|
|
if (SendIdleEvents(win))
|
|
needMore = TRUE;
|
|
node = node->GetNext();
|
|
}
|
|
|
|
return needMore;
|
|
}
|
|
|
|
// Send idle event to window and all subwindows
|
|
bool wxApp::SendIdleEvents(wxWindow* win)
|
|
{
|
|
bool needMore = FALSE;
|
|
|
|
wxIdleEvent event;
|
|
event.SetEventObject(win);
|
|
|
|
win->GetEventHandler()->ProcessEvent(event);
|
|
|
|
if (event.MoreRequested())
|
|
needMore = TRUE;
|
|
|
|
wxNode* node = win->GetChildren().First();
|
|
while (node)
|
|
{
|
|
wxWindow* win = (wxWindow*) node->Data();
|
|
if (SendIdleEvents(win))
|
|
needMore = TRUE;
|
|
|
|
node = node->Next();
|
|
}
|
|
|
|
win->OnInternalIdle();
|
|
|
|
return needMore;
|
|
}
|
|
|
|
void wxApp::DeletePendingObjects()
|
|
{
|
|
wxNode *node = wxPendingDelete.First();
|
|
while (node)
|
|
{
|
|
wxObject *obj = (wxObject *)node->Data();
|
|
|
|
delete obj;
|
|
|
|
if (wxPendingDelete.Member(obj))
|
|
delete node;
|
|
|
|
// Deleting one object may have deleted other pending
|
|
// objects, so start from beginning of list again.
|
|
node = wxPendingDelete.First();
|
|
}
|
|
}
|
|
|
|
static void wxCalcPrecAndShift( unsigned long mask, int *shift, int *prec )
|
|
{
|
|
*shift = 0;
|
|
*prec = 0;
|
|
|
|
while (!(mask & 0x1))
|
|
{
|
|
(*shift)++;
|
|
mask >>= 1;
|
|
}
|
|
|
|
while (mask & 0x1)
|
|
{
|
|
(*prec)++;
|
|
mask >>= 1;
|
|
}
|
|
}
|
|
|
|
// Create display, and other initialization
|
|
bool wxApp::OnInitGui()
|
|
{
|
|
// Eventually this line will be removed, but for
|
|
// now we don't want to try popping up a dialog
|
|
// for error messages.
|
|
delete wxLog::SetActiveTarget(new wxLogStderr);
|
|
|
|
if (!wxAppBase::OnInitGui())
|
|
return FALSE;
|
|
|
|
GetMainColormap( wxApp::GetDisplay() );
|
|
|
|
m_maxRequestSize = XMaxRequestSize( (Display*) wxApp::GetDisplay() );
|
|
|
|
#if !wxUSE_NANOX
|
|
// Get info about the current visual. It is enough
|
|
// to do this once here unless we support different
|
|
// visuals, displays and screens. Given that wxX11
|
|
// mostly for embedded things, that is no real
|
|
// limitation.
|
|
Display *xdisplay = (Display*) wxApp::GetDisplay();
|
|
int xscreen = DefaultScreen(xdisplay);
|
|
Visual* xvisual = DefaultVisual(xdisplay,xscreen);
|
|
int xdepth = DefaultDepth(xdisplay, xscreen);
|
|
|
|
XVisualInfo vinfo_template;
|
|
vinfo_template.visual = xvisual;
|
|
vinfo_template.visualid = XVisualIDFromVisual( xvisual );
|
|
vinfo_template.depth = xdepth;
|
|
|
|
int nitem = 0;
|
|
XVisualInfo *vi = XGetVisualInfo( xdisplay, VisualIDMask|VisualDepthMask, &vinfo_template, &nitem );
|
|
wxASSERT_MSG( vi, wxT("No visual info") );
|
|
|
|
m_visualType = vi->visual->c_class;
|
|
m_visualScreen = vi->screen;
|
|
|
|
m_visualRedMask = vi->red_mask;
|
|
m_visualGreenMask = vi->green_mask;
|
|
m_visualBlueMask = vi->blue_mask;
|
|
|
|
if (m_visualType != GrayScale && m_visualType != PseudoColor)
|
|
{
|
|
wxCalcPrecAndShift( m_visualRedMask, &m_visualRedShift, &m_visualRedPrec );
|
|
wxCalcPrecAndShift( m_visualGreenMask, &m_visualGreenShift, &m_visualGreenPrec );
|
|
wxCalcPrecAndShift( m_visualBlueMask, &m_visualBlueShift, &m_visualBluePrec );
|
|
}
|
|
|
|
m_visualDepth = xdepth;
|
|
if (xdepth == 16)
|
|
xdepth = m_visualRedPrec + m_visualGreenPrec + m_visualBluePrec;
|
|
|
|
m_visualColormapSize = vi->colormap_size;
|
|
|
|
XFree( vi );
|
|
|
|
if (m_visualDepth > 8)
|
|
return TRUE;
|
|
|
|
m_visualColormap = new XColor[m_visualColormapSize];
|
|
XColor* colors = (XColor*) m_visualColormap;
|
|
|
|
for (int i = 0; i < m_visualColormapSize; i++)
|
|
colors[i].pixel = i;
|
|
|
|
XQueryColors( xdisplay, DefaultColormap(xdisplay,xscreen), colors, m_visualColormapSize );
|
|
|
|
m_colorCube = (unsigned char*)malloc(32 * 32 * 32);
|
|
|
|
for (int r = 0; r < 32; r++)
|
|
{
|
|
for (int g = 0; g < 32; g++)
|
|
{
|
|
for (int b = 0; b < 32; b++)
|
|
{
|
|
int rr = (r << 3) | (r >> 2);
|
|
int gg = (g << 3) | (g >> 2);
|
|
int bb = (b << 3) | (b >> 2);
|
|
|
|
int index = -1;
|
|
|
|
if (colors)
|
|
{
|
|
int max = 3 * 65536;
|
|
|
|
for (int i = 0; i < m_visualColormapSize; i++)
|
|
{
|
|
int rdiff = ((rr << 8) - colors[i].red);
|
|
int gdiff = ((gg << 8) - colors[i].green);
|
|
int bdiff = ((bb << 8) - colors[i].blue);
|
|
int sum = ABS (rdiff) + ABS (gdiff) + ABS (bdiff);
|
|
if (sum < max)
|
|
{
|
|
index = i; max = sum;
|
|
}
|
|
}
|
|
}
|
|
else
|
|
{
|
|
// assume 8-bit true or static colors. this really exists
|
|
index = (r >> (5 - m_visualRedPrec)) << m_visualRedShift;
|
|
index |= (g >> (5 - m_visualGreenPrec)) << m_visualGreenShift;
|
|
index |= (b >> (5 - m_visualBluePrec)) << m_visualBlueShift;
|
|
}
|
|
m_colorCube[ (r*1024) + (g*32) + b ] = index;
|
|
}
|
|
}
|
|
}
|
|
#endif
|
|
|
|
return TRUE;
|
|
}
|
|
|
|
#if wxUSE_UNICODE
|
|
|
|
#include <pango/pango.h>
|
|
#include <pango/pangox.h>
|
|
#include <pango/pangoxft.h>
|
|
|
|
PangoContext* wxApp::GetPangoContext()
|
|
{
|
|
static PangoContext *ret = NULL;
|
|
if (ret)
|
|
return ret;
|
|
|
|
Display *xdisplay = (Display*) wxApp::GetDisplay();
|
|
|
|
#if 1
|
|
int xscreen = DefaultScreen(xdisplay);
|
|
static int use_xft = -1;
|
|
if (use_xft == -1)
|
|
{
|
|
wxString val = wxGetenv( L"GDK_USE_XFT" );
|
|
use_xft = (val == L"1");
|
|
}
|
|
|
|
if (use_xft)
|
|
ret = pango_xft_get_context( xdisplay, xscreen );
|
|
else
|
|
#endif
|
|
ret = pango_x_get_context( xdisplay );
|
|
|
|
if (!PANGO_IS_CONTEXT(ret))
|
|
wxLogError( wxT("No pango context.") );
|
|
|
|
return ret;
|
|
}
|
|
#endif
|
|
|
|
WXColormap wxApp::GetMainColormap(WXDisplay* display)
|
|
{
|
|
if (!display) /* Must be called first with non-NULL display */
|
|
return m_mainColormap;
|
|
|
|
int defaultScreen = DefaultScreen((Display*) display);
|
|
Screen* screen = XScreenOfDisplay((Display*) display, defaultScreen);
|
|
|
|
Colormap c = DefaultColormapOfScreen(screen);
|
|
|
|
if (!m_mainColormap)
|
|
m_mainColormap = (WXColormap) c;
|
|
|
|
return (WXColormap) c;
|
|
}
|
|
|
|
Window wxGetWindowParent(Window window)
|
|
{
|
|
wxASSERT_MSG( window, "invalid window" );
|
|
|
|
return (Window) 0;
|
|
|
|
Window parent, root = 0;
|
|
#if wxUSE_NANOX
|
|
int noChildren = 0;
|
|
#else
|
|
unsigned int noChildren = 0;
|
|
#endif
|
|
Window* children = NULL;
|
|
|
|
// #define XQueryTree(d,w,r,p,c,nc) GrQueryTree(w,p,c,nc)
|
|
int res = 1;
|
|
#if !wxUSE_NANOX
|
|
res =
|
|
#endif
|
|
XQueryTree((Display*) wxGetDisplay(), window, & root, & parent,
|
|
& children, & noChildren);
|
|
if (children)
|
|
XFree(children);
|
|
if (res)
|
|
return parent;
|
|
else
|
|
return (Window) 0;
|
|
}
|
|
|
|
void wxExit()
|
|
{
|
|
int retValue = 0;
|
|
if (wxTheApp)
|
|
retValue = wxTheApp->OnExit();
|
|
|
|
wxApp::CleanUp();
|
|
/*
|
|
* Exit in some platform-specific way. Not recommended that the app calls this:
|
|
* only for emergencies.
|
|
*/
|
|
exit(retValue);
|
|
}
|
|
|
|
// Yield to other processes
|
|
|
|
bool wxApp::Yield(bool onlyIfNeeded)
|
|
{
|
|
// Sometimes only 2 yields seem
|
|
// to do the trick, e.g. in the
|
|
// progress dialog
|
|
int i;
|
|
for (i = 0; i < 2; i++)
|
|
{
|
|
bool s_inYield = FALSE;
|
|
|
|
if ( s_inYield )
|
|
{
|
|
if ( !onlyIfNeeded )
|
|
{
|
|
wxFAIL_MSG( wxT("wxYield called recursively" ) );
|
|
}
|
|
|
|
return FALSE;
|
|
}
|
|
|
|
s_inYield = TRUE;
|
|
|
|
// Make sure we have an event loop object,
|
|
// or Pending/Dispatch will fail
|
|
wxEventLoop* eventLoop = wxEventLoop::GetActive();
|
|
wxEventLoop* newEventLoop = NULL;
|
|
if (!eventLoop)
|
|
{
|
|
newEventLoop = new wxEventLoop;
|
|
wxEventLoop::SetActive(newEventLoop);
|
|
}
|
|
|
|
while (wxTheApp && wxTheApp->Pending())
|
|
wxTheApp->Dispatch();
|
|
|
|
#if wxUSE_TIMER
|
|
wxTimer::NotifyTimers();
|
|
#endif
|
|
ProcessIdle();
|
|
|
|
if (newEventLoop)
|
|
{
|
|
wxEventLoop::SetActive(NULL);
|
|
delete newEventLoop;
|
|
}
|
|
|
|
s_inYield = FALSE;
|
|
}
|
|
|
|
return TRUE;
|
|
}
|
|
|
|
#ifdef __WXDEBUG__
|
|
|
|
void wxApp::OnAssert(const wxChar *file, int line, const wxChar* cond, const wxChar *msg)
|
|
{
|
|
// While the GUI isn't working that well, just print out the
|
|
// message.
|
|
#if 1
|
|
wxAppBase::OnAssert(file, line, cond, msg);
|
|
#else
|
|
wxString msg2;
|
|
msg2.Printf("At file %s:%d: %s", file, line, msg);
|
|
wxLogDebug(msg2);
|
|
#endif
|
|
}
|
|
|
|
#endif // __WXDEBUG__
|
|
|