wxUSE_THREADS in sckint.h; wxMotif Clone error fixed; JPEG makefile.unx for wxMotif

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

diff --git a/src/motif/window.cpp b/src/motif/window.cpp
index 8ec4c0d3b5d2d5e2b69c67851df8b0a8bf101801..620a925f4e36f1329a1665c38f65c860ffa2e9b4 100644 (file)
--- a/src/motif/window.cpp
+++ b/src/motif/window.cpp
@@ -86,6 +86,7 @@ END_EVENT_TABLE()
 wxWindow::wxWindow()
 {
     // Generic
+    m_isWindow = TRUE; // An optimization
     m_windowId = 0;
     m_windowStyle = 0;
     m_windowParent = NULL;
@@ -144,14 +145,6 @@ wxWindow::wxWindow()
 // Destructor
 wxWindow::~wxWindow()
 {
-    // Remove potential dangling pointer
-    if (GetParent() && GetParent()->IsKindOf(CLASSINFO(wxPanel)))
-    {
-        wxPanel* panel = (wxPanel*) GetParent();
-        if (panel->GetLastFocus() == this)
-            panel->SetLastFocus((wxWindow*) NULL);
-    }
-
     //// Motif-specific
     
     if (GetMainWidget())
@@ -235,7 +228,11 @@ wxWindow::~wxWindow()
     // Destroy the window
     if (GetMainWidget())
     {
-        wxDeleteWindowFromTable((Widget) GetMainWidget());
+        // If this line (XtDestroyWidget) causes a crash, you may comment it out.
+        // Child widgets will get destroyed automatically when a frame
+        // or dialog is destroyed, but before that you may get some memory
+        // leaks and potential layout problems if you delete and then add
+        // child windows.
         XtDestroyWidget((Widget) GetMainWidget());
         SetMainWidget((WXWidget) NULL);
     }
@@ -269,6 +266,7 @@ bool wxWindow::Create(wxWindow *parent, wxWindowID id,
                       const wxString& name)
 {
     // Generic
+    m_isWindow = TRUE; // An optimization
     m_windowId = 0;
     m_windowStyle = 0;
     m_windowParent = NULL;
@@ -751,7 +749,7 @@ void wxWindow::GetClientSize(int *x, int *y) const
     *x = xx; *y = yy;
 }
 
-void wxWindow::SetSize(int x, int y, int width, int height, int sizeFlags)
+void wxWindow::DoSetSize(int x, int y, int width, int height, int sizeFlags)
 {
     // A bit of optimization to help sort out the flickers.
     int oldX, oldY, oldW, oldH;
@@ -823,7 +821,7 @@ void wxWindow::SetSize(int x, int y, int width, int height, int sizeFlags)
     */
 }
 
-void wxWindow::SetClientSize(int width, int height)
+void wxWindow::DoSetClientSize(int width, int height)
 {
     if (m_drawingArea)
     {
@@ -1586,8 +1584,30 @@ bool wxWindow::Validate()
 // Get the window with the focus
 wxWindow *wxWindow::FindFocus()
 {
-    // TODO
-    return NULL;
+    // TODO Problems:
+    // (1) Can there be multiple focussed widgets in an application?
+    // In which case we need to find the top-level window that's
+    // currently active.
+    // (2) The widget with the focus may not be in the widget table
+    // depending on which widgets I put in the table
+
+    wxNode *node = wxTopLevelWindows.First();
+    while (node)
+    {
+        wxWindow *win = (wxWindow *)node->Data();
+
+        Widget w = XmGetFocusWidget ((Widget) win->GetTopWidget()) ;
+
+        if (w != (Widget) NULL)
+        {
+            wxWindow* focusWin = wxGetWindowFromTable(w);
+            if (focusWin)
+                return focusWin;
+        }
+
+        node = node->Next();
+    }
+    return (wxWindow*) NULL;
 }
 
 void wxWindow::AddChild(wxWindow *child)
@@ -2141,7 +2161,7 @@ void wxWindow::SetValidator(const wxValidator& validator)
 {
     if ( m_windowValidator )
         delete m_windowValidator;
-    m_windowValidator = validator.Clone();
+    m_windowValidator = (wxValidator*) validator.Clone();
     
     if ( m_windowValidator )
         m_windowValidator->SetWindow(this) ;
@@ -2311,12 +2331,18 @@ void wxDeleteWindowFromTable(Widget w)
 // Get the underlying X window and display
 WXWindow wxWindow::GetXWindow() const
 {
-    return (WXWindow) XtWindow((Widget) GetMainWidget());
+    if (GetMainWidget())
+        return (WXWindow) XtWindow((Widget) GetMainWidget());
+    else
+        return (WXWindow) 0;
 }
 
 WXDisplay *wxWindow::GetXDisplay() const
 {
-    return (WXDisplay*) XtDisplay((Widget) GetMainWidget());
+    if (GetMainWidget())
+        return (WXDisplay*) XtDisplay((Widget) GetMainWidget());
+    else
+        return (WXDisplay*) NULL;
 }
 
 WXWidget wxWindow::GetMainWidget() const
@@ -3584,3 +3610,40 @@ bool wxNoOptimize::CanOptimize()
     return (m_count == 0);
 }
 
+// For repainting arbitrary windows
+void wxUniversalRepaintProc(Widget w, XtPointer WXUNUSED(c_data), XEvent *event, char *)
+{
+    Window window;
+    Display *display;
+    
+    wxWindow* win = (wxWindow *)wxWidgetHashTable->Get((long)w);
+    if (!win)
+        return;
+    
+    switch(event -> type)
+    {
+    case Expose :
+        {
+            window = (Window) win -> GetXWindow();
+            display = (Display *) win -> GetXDisplay();
+            
+            wxRect* rect = new wxRect(event->xexpose.x, event->xexpose.y,
+                event->xexpose.width, event->xexpose.height);
+            win->m_updateRects.Append((wxObject*) rect);
+            
+            if (event -> xexpose.count == 0)
+            {
+                win->DoPaint();
+                
+                win->ClearUpdateRects();
+            }
+            break;
+        }
+    default :
+        {
+            cout << "\n\nNew Event ! is = " << event -> type << "\n";
+            break;
+        }
+    }
+}
+