Implemented wxEventLoop for wxMotif, and used it in wxDialog::ShowModal,

wxWindow::DoPopupMenu and for the application main loop.
  Implemented wxWakeUpIdle.
  Fixed crash when a popup menu entry is used to close/destroy the parent
window of the menu.


git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@19078 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

include/wx/motif/app.h

@@ -20,7 +20,6 @@
 // headers
 // ----------------------------------------------------------------------------
 
-#include "wx/gdicmn.h"
 #include "wx/event.h"
 
 // ----------------------------------------------------------------------------
@@ -32,6 +31,7 @@ class WXDLLEXPORT wxWindow;
 class WXDLLEXPORT wxApp;
 class WXDLLEXPORT wxKeyEvent;
 class WXDLLEXPORT wxLog;
+class WXDLLEXPORT wxEventLoop;
 
 // ----------------------------------------------------------------------------
 // the wxApp class for Motif - see wxAppBase for more details
@@ -43,7 +43,7 @@ class WXDLLEXPORT wxApp : public wxAppBase
         
 public:
     wxApp();
-    ~wxApp() {}
+    virtual ~wxApp();
     
     // override base class (pure) virtuals
     // -----------------------------------
@@ -71,20 +71,6 @@ public:
     // Returns TRUE if more idle time is requested.
     bool SendIdleEvents(wxWindow* win);
     
-    // Motif implementation.
-    
-    // Processes an X event.
-    virtual void ProcessXEvent(WXEvent* event);
-    
-    // Returns TRUE if an accelerator has been processed
-    virtual bool CheckForAccelerator(WXEvent* event);
-    
-    // Returns TRUE if a key down event has been processed
-    virtual bool CheckForKeyDown(WXEvent* event);
-    
-    // Returns TRUE if a key up event has been processed
-    virtual bool CheckForKeyUp(WXEvent* event);
-    
 protected:
     bool                  m_showOnInit;
     
@@ -105,12 +91,11 @@ public:
     // This handler is called when a property change event occurs
     virtual void   HandlePropertyChange(WXEvent *event);
     
-public:
+private:
     static long    sm_lastMessageTime;
     int            m_nCmdShow;
-    
-protected:
-    bool                  m_keepGoing;
+
+    wxEventLoop*    m_eventLoop;
     
     // Motif-specific
     WXAppContext          m_appContext;

include/wx/motif/dialog.h

@@ -18,6 +18,8 @@
 
 WXDLLEXPORT_DATA(extern const char*) wxDialogNameStr;
 
+class WXDLLEXPORT wxEventLoop;
+
 // Dialog boxes
 class WXDLLEXPORT wxDialog : public wxDialogBase
 {
@@ -102,6 +104,7 @@ private:
 
     //// Motif-specific
     bool          m_modalShowing;
+    wxEventLoop*  m_eventLoop;
 
 protected:
     virtual void DoSetSize(int x, int y,

include/wx/motif/menu.h

@@ -93,7 +93,8 @@ public:
     WXWidget GetHandle() const { return m_menuWidget; }
     
     bool IsTearOff() const { return (m_style & wxMENU_TEAROFF) != 0; }
-    
+
+    void DestroyWidgetAndDetach();
 public:
     // Motif-specific data
     int               m_numColumns;

include/wx/motif/private.h

@@ -25,10 +25,12 @@
 // ----------------------------------------------------------------------------
 
 // All widgets should have this as their resize proc.
-extern void wxWidgetResizeProc(Widget w, XConfigureEvent *event, String args[], int *num_args);
+extern void wxWidgetResizeProc(Widget w, XConfigureEvent *event, 
+                               String args[], int *num_args);
 
 // For repainting arbitrary windows
-void wxUniversalRepaintProc(Widget w, XtPointer WXUNUSED(c_data), XEvent *event, char *);
+void wxUniversalRepaintProc(Widget w, XtPointer WXUNUSED(c_data), 
+                            XEvent *event, char *);
 
 // ----------------------------------------------------------------------------
 // we maintain a hash table which contains the mapping from Widget to wxWindow
@@ -51,11 +53,17 @@ extern XmString wxFindAcceleratorText (const char *s);
 // ----------------------------------------------------------------------------
 // TranslateXXXEvent() functions - translate Motif event to wxWindow one
 // ----------------------------------------------------------------------------
-extern bool wxTranslateMouseEvent(wxMouseEvent& wxevent, wxWindow *win, Widget widget, XEvent *xevent);
-extern bool wxTranslateKeyEvent(wxKeyEvent& wxevent, wxWindow *win, Widget widget, XEvent *xevent);
 
-extern void wxDoChangeForegroundColour(WXWidget widget, wxColour& foregroundColour);
-extern void wxDoChangeBackgroundColour(WXWidget widget, wxColour& backgroundColour, bool changeArmColour = FALSE);
+extern bool wxTranslateMouseEvent(wxMouseEvent& wxevent, wxWindow *win,
+                                  Widget widget, XEvent *xevent);
+extern bool wxTranslateKeyEvent(wxKeyEvent& wxevent, wxWindow *win,
+                                Widget widget, XEvent *xevent);
+
+extern void wxDoChangeForegroundColour(WXWidget widget,
+                                       wxColour& foregroundColour);
+extern void wxDoChangeBackgroundColour(WXWidget widget,
+                                       wxColour& backgroundColour,
+                                       bool changeArmColour = FALSE);
 
 #define wxNO_COLORS   0x00
 #define wxBACK_COLORS 0x01
@@ -78,6 +86,11 @@ extern XColor itemColors[5] ;
 class wxXmString
 {
 public:
+    wxXmString(const char* str)
+    {
+        m_string = XmStringCreateLtoR((char *)str, XmSTRING_DEFAULT_CHARSET);
+    }
+
     wxXmString(const wxString& str)
     {
         m_string = XmStringCreateLtoR((char *)str.c_str(),
@@ -94,6 +107,15 @@ private:
     XmString m_string;
 };
 
+// ----------------------------------------------------------------------------
+// executes one main loop iteration (implemented in src/motif/evtloop.cpp)
+// ----------------------------------------------------------------------------
+
+class wxEventLoop;
+
+// returns true if the loop should be exited
+bool wxDoEventLoopIteration( wxEventLoop& evtLoop );
+
 // ----------------------------------------------------------------------------
 // macros to avoid casting WXFOO to Foo all the time
 // ----------------------------------------------------------------------------