Fixed a crash when GetMonthControl returns NULL

[wxWidgets.git] / src / motif / window.cpp

diff --git a/src/motif/window.cpp b/src/motif/window.cpp
index 456b75c71560c12cc2021d57e09277c016dae6be..e51b353f980b61795fd9209a41ff9bc859bbc48d 100644 (file)
--- a/src/motif/window.cpp
+++ b/src/motif/window.cpp
@@ -80,6 +80,8 @@ static const int SCROLL_MARGIN = 4;
 // ----------------------------------------------------------------------------
 
 extern wxHashTable *wxWidgetHashTable;
+static wxWindow* g_captureWindow = NULL;
+
 
 // ----------------------------------------------------------------------------
 // private functions
@@ -224,7 +226,7 @@ bool wxWindow::Create(wxWindow *parent, wxWindowID id,
 
     parent->AddChild(this);
 
-    m_backgroundColour = wxSystemSettings::GetSystemColour(wxSYS_COLOUR_3DFACE);
+    m_backgroundColour = wxSystemSettings::GetColour(wxSYS_COLOUR_3DFACE);
     m_foregroundColour = *wxBLACK;
 
     //// TODO: we should probably optimize by only creating a
@@ -355,7 +357,7 @@ bool wxWindow::Create(wxWindow *parent, wxWindowID id,
 
     // Scrolled widget needs to have its colour changed or we get a little blue
     // square where the scrollbars abutt
-    wxColour backgroundColour = wxSystemSettings::GetSystemColour(wxSYS_COLOUR_3DFACE);
+    wxColour backgroundColour = wxSystemSettings::GetColour(wxSYS_COLOUR_3DFACE);
     DoChangeBackgroundColour(m_scrolledWindow, backgroundColour, TRUE);
     DoChangeBackgroundColour(m_drawingArea, backgroundColour, TRUE);
 
@@ -374,7 +376,7 @@ bool wxWindow::Create(wxWindow *parent, wxWindowID id,
     // Without this, the cursor may not be restored properly (e.g. in splitter
     // sample).
     SetCursor(*wxSTANDARD_CURSOR);
-    SetFont(wxSystemSettings::GetSystemFont(wxSYS_DEFAULT_GUI_FONT));
+    SetFont(wxSystemSettings::GetFont(wxSYS_DEFAULT_GUI_FONT));
     SetSize(pos.x, pos.y, size.x, size.y);
 
     return TRUE;
@@ -383,6 +385,9 @@ bool wxWindow::Create(wxWindow *parent, wxWindowID id,
 // Destructor
 wxWindow::~wxWindow()
 {
+    if (g_captureWindow == this)
+       g_captureWindow = NULL;
+    
     m_isBeingDeleted = TRUE;
     
     // Motif-specific actions first
@@ -504,7 +509,7 @@ void wxWindow::CreateScrollbar(wxOrientation orientation)
 
         m_hScrollBar = (WXWidget) hScrollBar;
 
-        wxColour backgroundColour = wxSystemSettings::GetSystemColour(wxSYS_COLOUR_3DFACE);
+        wxColour backgroundColour = wxSystemSettings::GetColour(wxSYS_COLOUR_3DFACE);
         DoChangeBackgroundColour(m_hScrollBar, backgroundColour, TRUE);
 
         XtRealizeWidget(hScrollBar);
@@ -539,7 +544,7 @@ void wxWindow::CreateScrollbar(wxOrientation orientation)
             NULL);
 
         m_vScrollBar = (WXWidget) vScrollBar;
-        wxColour backgroundColour = wxSystemSettings::GetSystemColour(wxSYS_COLOUR_3DFACE);
+        wxColour backgroundColour = wxSystemSettings::GetColour(wxSYS_COLOUR_3DFACE);
         DoChangeBackgroundColour(m_vScrollBar, backgroundColour, TRUE);
 
         XtRealizeWidget(vScrollBar);
@@ -708,8 +713,9 @@ wxString wxWindow::GetTitle() const
     return wxString(title);
 }
 
-void wxWindow::CaptureMouse()
+void wxWindow::DoCaptureMouse()
 {
+    g_captureWindow = this;
     if ( m_winCaptured )
         return;
 
@@ -720,8 +726,9 @@ void wxWindow::CaptureMouse()
     m_winCaptured = TRUE;
 }
 
-void wxWindow::ReleaseMouse()
+void wxWindow::DoReleaseMouse()
 {
+    g_captureWindow = NULL;
     if ( !m_winCaptured )
         return;
 
@@ -1359,17 +1366,6 @@ wxPoint wxWindow::GetClientAreaOrigin() const
     return wxPoint(0, 0);
 }
 
-// Makes an adjustment to the window position (for example, a frame that has
-// a toolbar that it manages itself).
-void wxWindow::AdjustForParentClientOrigin(int& x, int& y, int sizeFlags)
-{
-    if (((sizeFlags & wxSIZE_NO_ADJUSTMENTS) == 0) && GetParent())
-    {
-        wxPoint pt(GetParent()->GetClientAreaOrigin());
-        x += pt.x; y += pt.y;
-    }
-}
-
 void wxWindow::SetSizeHints(int minW, int minH, int maxW, int maxH, int incW, int incH)
 {
     m_minWidth = minW;
@@ -1669,8 +1665,8 @@ bool wxWindow::ProcessAccelerator(wxKeyEvent& event)
         wxAcceleratorEntry* entry = & (entries[i]);
         if (entry->MatchesEvent(event))
         {
-            // Bingo, we have a match. Now find a control that matches the entry
-            // command id.
+            // Bingo, we have a match. Now find a control that matches the
+           // entry command id.
 
             // Need to go up to the top of the window hierarchy, since it might
             // be e.g. a menu item
@@ -2099,22 +2095,21 @@ static void wxCanvasInputEvent(Widget drawingArea,
                     {
                         // I have a dclick
                         canvas->SetLastClick(0, ts);
-                        switch ( eventType )
+
+                        wxEventType typeDouble;
+                        if ( eventType == wxEVT_LEFT_DOWN )
+                            typeDouble = wxEVT_LEFT_DCLICK;
+                        else if ( eventType == wxEVT_MIDDLE_DOWN )
+                            typeDouble = wxEVT_MIDDLE_DCLICK;
+                        else if ( eventType == wxEVT_RIGHT_DOWN )
+                            typeDouble = wxEVT_RIGHT_DCLICK;
+                        else
+                            typeDouble = wxEVT_NULL;
+
+                        if ( typeDouble != wxEVT_NULL )
                         {
-                        case wxEVT_LEFT_DOWN:
-                            wxevent.SetEventType(wxEVT_LEFT_DCLICK);
-                            break;
-                        case wxEVT_MIDDLE_DOWN:
-                            wxevent.SetEventType(wxEVT_MIDDLE_DCLICK);
-                            break;
-                        case wxEVT_RIGHT_DOWN:
-                            wxevent.SetEventType(wxEVT_RIGHT_DCLICK);
-                            break;
-
-                        default :
-                            break;
+                            wxevent.SetEventType(typeDouble);
                         }
-
                     }
                     else
                     {
@@ -2141,12 +2136,13 @@ static void wxCanvasInputEvent(Widget drawingArea,
     case KeyPress:
         {
             KeySym keySym;
+            static char buf[100];
 #if 0
             XComposeStatus compose;
-            (void) XLookupString ((XKeyEvent *) & local_event, wxBuffer, 20, &keySym, &compose);
+            (void) XLookupString ((XKeyEvent *) & local_event, buf, 20, &keySym, &compose);
 #endif // 0
 
-            (void) XLookupString ((XKeyEvent *) & local_event, wxBuffer, 20, &keySym, NULL);
+            (void) XLookupString ((XKeyEvent *) & local_event, buf, 20, &keySym, NULL);
             int id = wxCharCodeXToWX (keySym);
 
             wxEventType eventType = wxEVT_CHAR;
@@ -2194,8 +2190,9 @@ static void wxCanvasInputEvent(Widget drawingArea,
         }
     case KeyRelease:
         {
+            static char buf[100];
             KeySym keySym;
-            (void) XLookupString ((XKeyEvent *) & local_event, wxBuffer, 20, &keySym, NULL);
+            (void) XLookupString ((XKeyEvent *) & local_event, buf, 20, &keySym, NULL);
             int id = wxCharCodeXToWX (keySym);
 
             wxKeyEvent event (wxEVT_KEY_UP);
@@ -2656,22 +2653,12 @@ bool wxTranslateMouseEvent(wxMouseEvent& wxevent, wxWindow *win, Widget widget,
                 {
                     // I have a dclick
                     win->SetLastClick(0, ts);
-                    switch ( eventType )
-                    {
-                        case wxEVT_LEFT_DOWN:
-                            eventType = wxEVT_LEFT_DCLICK;
-                            break;
-                        case wxEVT_MIDDLE_DOWN:
-                            eventType = wxEVT_MIDDLE_DCLICK;
-                            break;
-                        case wxEVT_RIGHT_DOWN:
-                            eventType = wxEVT_RIGHT_DCLICK;
-                            break;
-
-                        default :
-                            break;
-                    }
-                    
+                    if ( eventType == wxEVT_LEFT_DOWN )
+                        eventType = wxEVT_LEFT_DCLICK;
+                    else if ( eventType == wxEVT_MIDDLE_DOWN )
+                        eventType = wxEVT_MIDDLE_DCLICK;
+                    else if ( eventType == wxEVT_RIGHT_DOWN )
+                        eventType = wxEVT_RIGHT_DCLICK;
                 }
                 else
                 {
@@ -2874,7 +2861,7 @@ void wxWindow::ChangeBackgroundColour()
         DoChangeBackgroundColour(m_scrolledWindow, m_backgroundColour);
         // Have to set the scrollbar colours back since
         // the scrolled window seemed to change them
-        wxColour backgroundColour = wxSystemSettings::GetSystemColour(wxSYS_COLOUR_3DFACE);
+        wxColour backgroundColour = wxSystemSettings::GetColour(wxSYS_COLOUR_3DFACE);
 
         if (m_hScrollBar)
             DoChangeBackgroundColour(m_hScrollBar, backgroundColour);
@@ -2988,6 +2975,13 @@ wxWindow *wxGetActiveWindow()
     return NULL;
 }
 
+/* static */
+wxWindow *wxWindowBase::GetCapture()
+{
+    return (wxWindow *)g_captureWindow;
+}
+
+
 // Find the wxWindow at the current mouse position, returning the mouse
 // position.
 wxWindow* wxFindWindowAtPointer(wxPoint& pt)
@@ -3012,12 +3006,10 @@ wxPoint wxGetMousePosition()
     return wxPoint(rootX, rootY);
 }
 
+
 // ----------------------------------------------------------------------------
 // wxNoOptimize: switch off size optimization
 // ----------------------------------------------------------------------------
 
 int wxNoOptimize::ms_count = 0;
 
-
-
-