X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/887dd52f06a985ec0455e91f4b3d2b091a1b1c7b..cd560c961a09a8ae80b9c32856e195ed784cc547:/src/x11/app.cpp

diff --git a/src/x11/app.cpp b/src/x11/app.cpp
index d45ff95d4a..34416b4f9b 100644
--- a/src/x11/app.cpp
+++ b/src/x11/app.cpp
@@ -37,32 +37,37 @@
     #include "wx/resource.h"
 #endif
 
-#ifdef __VMS__
-#pragma message disable nosimpint
-#endif
-#include <X11/Xlib.h>
-#include <X11/Xutil.h>
-#include <X11/Xatom.h>
-
-#ifdef __VMS__
-#pragma message enable nosimpint
-#endif
-
 #include "wx/x11/private.h"
 
 #include <string.h>
 
+//------------------------------------------------------------------------
+//   global data
+//------------------------------------------------------------------------
+
 extern wxList wxPendingDelete;
 
+wxHashTable *wxWidgetHashTable = NULL;
+
 wxApp *wxTheApp = NULL;
 
-wxHashTable *wxWidgetHashTable = NULL;
+// This is set within wxEntryStart -- too early on
+// to put these in wxTheApp
+static int g_newArgc = 0;
+static wxChar** g_newArgv = NULL;
+static bool g_showIconic = FALSE;
+static wxSize g_initialSize = wxDefaultSize;
 
-IMPLEMENT_DYNAMIC_CLASS(wxApp, wxEvtHandler)
+// This is required for wxFocusEvent::SetWindow(). It will only
+// work for focus events which we provoke ourselves (by calling
+// SetFocus()). It will not work for those events, which X11
+// generates itself.
+static wxWindow *g_nextFocus = NULL;
+static wxWindow *g_prevFocus = NULL;
 
-BEGIN_EVENT_TABLE(wxApp, wxEvtHandler)
-    EVT_IDLE(wxApp::OnIdle)
-END_EVENT_TABLE()
+//------------------------------------------------------------------------
+//   X11 error handling
+//------------------------------------------------------------------------
 
 #ifdef __WXDEBUG__
 typedef int (*XErrorHandlerFunc)(Display *, XErrorEvent *);
@@ -72,19 +77,25 @@ XErrorHandlerFunc gs_pfnXErrorHandler = 0;
 static int wxXErrorHandler(Display *dpy, XErrorEvent *xevent)
 {
     // just forward to the default handler for now
-    return gs_pfnXErrorHandler(dpy, xevent);
+    if (gs_pfnXErrorHandler)
+        return gs_pfnXErrorHandler(dpy, xevent);
+    else
+        return 0;
 }
 #endif // __WXDEBUG__
 
+//------------------------------------------------------------------------
+//   wxApp
+//------------------------------------------------------------------------
+
 long wxApp::sm_lastMessageTime = 0;
 WXDisplay *wxApp::ms_display = NULL;
 
-// This is set within wxEntryStart -- too early on
-// to put these in wxTheApp
-static int g_newArgc = 0;
-static wxChar** g_newArgv = NULL;
-static bool g_showIconic = FALSE;
-static wxSize g_initialSize = wxDefaultSize;
+IMPLEMENT_DYNAMIC_CLASS(wxApp, wxEvtHandler)
+
+BEGIN_EVENT_TABLE(wxApp, wxEvtHandler)
+    EVT_IDLE(wxApp::OnIdle)
+END_EVENT_TABLE()
 
 bool wxApp::Initialize()
 {
@@ -169,8 +180,10 @@ void wxApp::CleanUp()
 int wxEntryStart( int& argc, char *argv[] )
 {
 #ifdef __WXDEBUG__
+#if !wxUSE_NANOX
     // install the X error handler
     gs_pfnXErrorHandler = XSetErrorHandler( wxXErrorHandler );
+#endif
 #endif // __WXDEBUG__
 
     wxString displayName;
@@ -230,11 +243,11 @@ int wxEntryStart( int& argc, char *argv[] )
         g_newArgc ++;
     }
 
-    Display* xdisplay;
+    Display* xdisplay = NULL;
     if (displayName.IsEmpty())
         xdisplay = XOpenDisplay(NULL);
     else
-        xdisplay = XOpenDisplay(displayName);
+        xdisplay = XOpenDisplay((char*) displayName.c_str());
 
     if (!xdisplay)
     {
@@ -390,7 +403,7 @@ bool wxApp::Initialized()
 
 int wxApp::MainLoop()
 {
-     int rt;
+    int rt;
     m_mainLoop = new wxEventLoop;
 
     rt = m_mainLoop->Run();
@@ -400,15 +413,53 @@ int wxApp::MainLoop()
     return rt;
 }
 
-// Processes an X event.
-void wxApp::ProcessXEvent(WXEvent* _event)
+#if !wxUSE_NANOX
+//-----------------------------------------------------------------------
+// X11 predicate function for exposure compression
+//-----------------------------------------------------------------------
+
+struct wxExposeInfo
+{
+    Window window;
+    Bool found_non_matching;
+};
+
+static Bool expose_predicate (Display *display, XEvent *xevent, XPointer arg)
+{
+    wxExposeInfo *info = (wxExposeInfo*) arg;
+    
+    if (info->found_non_matching)
+       return FALSE;
+    
+    if (xevent->xany.type != Expose)
+    {
+        info->found_non_matching = TRUE;
+        return FALSE;
+    }
+    
+    if (xevent->xexpose.window != info->window)
+    {
+        info->found_non_matching = TRUE;
+        return FALSE;
+    }
+    
+    return TRUE;
+}
+#endif
+    // wxUSE_NANOX
+
+//-----------------------------------------------------------------------
+// Processes an X event, returning TRUE if the event was processed.
+//-----------------------------------------------------------------------
+
+bool wxApp::ProcessXEvent(WXEvent* _event)
 {
     XEvent* event = (XEvent*) _event;
 
     wxWindow* win = NULL;
-    Window window = event->xany.window;
+    Window window = XEventGetWindow(event);
     Window actualWindow = window;
-    
+
     // Find the first wxWindow that corresponds to this event window
     // Because we're receiving events after a window
     // has been destroyed, assume a 1:1 match between
@@ -417,72 +468,69 @@ void wxApp::ProcessXEvent(WXEvent* _event)
 
     win = wxGetWindowFromTable(window);
     if (!win)
-	    return;
+        return FALSE;
 
+#ifdef __WXDEBUG__
+    wxString windowClass = win->GetClassInfo()->GetClassName();
+#endif
+    
     switch (event->type)
     {
         case KeyPress:
         {
-            if (win && !win->IsEnabled())
-                return;
+            if (!win->IsEnabled())
+                return FALSE;
 
-            {
-                if (win)
-                {
-                    wxKeyEvent keyEvent(wxEVT_KEY_DOWN);
-                    wxTranslateKeyEvent(keyEvent, win, window, event);
+            wxKeyEvent keyEvent(wxEVT_KEY_DOWN);
+            wxTranslateKeyEvent(keyEvent, win, window, event);
                     
-                    wxLogDebug( "OnKey from %s", win->GetName().c_str() );
+            // wxLogDebug( "OnKey from %s", win->GetName().c_str() );
         
-                    // We didn't process wxEVT_KEY_DOWN, so send
-                    // wxEVT_CHAR
-                    if (!win->GetEventHandler()->ProcessEvent( keyEvent ))
-                    {
-                        keyEvent.SetEventType(wxEVT_CHAR);
-                        win->GetEventHandler()->ProcessEvent( keyEvent );
-                    }
-
-                    // We intercepted and processed the key down event
-                    return;
-                }
+            // We didn't process wxEVT_KEY_DOWN, so send
+            // wxEVT_CHAR
+            if (!win->GetEventHandler()->ProcessEvent( keyEvent ))
+            {
+                keyEvent.SetEventType(wxEVT_CHAR);
+                if (!win->GetEventHandler()->ProcessEvent( keyEvent ))
+                    return FALSE;
             }
-            return;
+            return TRUE;
         }
         case KeyRelease:
         {
-            if (win && !win->IsEnabled())
-                return;
+            if (!win->IsEnabled())
+                return FALSE;
 
-            if (win)
-            {
-                wxKeyEvent keyEvent(wxEVT_KEY_UP);
-                wxTranslateKeyEvent(keyEvent, win, window, event);
+            wxKeyEvent keyEvent(wxEVT_KEY_UP);
+            wxTranslateKeyEvent(keyEvent, win, window, event);
         
-                win->GetEventHandler()->ProcessEvent( keyEvent );
-            }
-            return;
+            return win->GetEventHandler()->ProcessEvent( keyEvent );
         }
         case ConfigureNotify:
         {
-            // Not clear if this is the same in NanoX
-            if (win)
+#if wxUSE_NANOX
+            if (event->update.utype == GR_UPDATE_SIZE)
+#endif
             {
-                wxSizeEvent sizeEvent( wxSize(event->xconfigure.width,event->xconfigure.height), win->GetId() );
+                //wxLogDebug("ConfigureNotify: %s", windowClass.c_str());
+                wxSizeEvent sizeEvent( wxSize(XConfigureEventGetWidth(event), XConfigureEventGetHeight(event)), win->GetId() );
                 sizeEvent.SetEventObject( win );
                 
-                win->GetEventHandler()->ProcessEvent( sizeEvent );
+                return win->GetEventHandler()->ProcessEvent( sizeEvent );
             }
+            return FALSE;
+            break;
         }
 #if !wxUSE_NANOX
         case PropertyNotify:
         {
-            HandlePropertyChange(_event);
-            return;
+            //wxLogDebug("PropertyNotify: %s", windowClass.c_str());
+            return HandlePropertyChange(_event);
         }
         case ClientMessage:
         {
-            if (win && !win->IsEnabled())
-                return;
+            if (!win->IsEnabled())
+                return FALSE;
 
             Atom wm_delete_window = XInternAtom(wxGlobalDisplay(), "WM_DELETE_WINDOW", True);
             Atom wm_protocols = XInternAtom(wxGlobalDisplay(), "WM_PROTOCOLS", True);
@@ -491,13 +539,11 @@ void wxApp::ProcessXEvent(WXEvent* _event)
             {
                 if ((Atom) (event->xclient.data.l[0]) == wm_delete_window)
                 {
-                    if (win)
-                    {
-                        win->Close(FALSE);
-                    }
+                    win->Close(FALSE);
+                    return TRUE;
                 }
             }
-            return;
+            return FALSE;
         }
         case ResizeRequest:
         {
@@ -519,10 +565,10 @@ void wxApp::ProcessXEvent(WXEvent* _event)
                 wxSizeEvent sizeEvent(sz, win->GetId());
                 sizeEvent.SetEventObject(win);
 
-                win->GetEventHandler()->ProcessEvent( sizeEvent );
+                return win->GetEventHandler()->ProcessEvent( sizeEvent );
             }
 
-            return;
+            return FALSE;
         }
 #endif
 #if wxUSE_NANOX
@@ -531,120 +577,163 @@ void wxApp::ProcessXEvent(WXEvent* _event)
             if (win)
             {
                 win->Close(FALSE);
+                return TRUE;
             }
+            return FALSE;
             break;
         }
 #endif
         case Expose:
         {
-            if (win)
+            //wxLogDebug("Expose: %s", windowClass.c_str());
+            win->GetUpdateRegion().Union( XExposeEventGetX(event), XExposeEventGetY(event),
+                                          XExposeEventGetWidth(event), XExposeEventGetHeight(event));
+                                              
+            win->GetClearRegion().Union( XExposeEventGetX(event), XExposeEventGetY(event),
+                                         XExposeEventGetWidth(event), XExposeEventGetHeight(event));
+                                              
+
+#if !wxUSE_NANOX
+            XEvent tmp_event;
+            wxExposeInfo info;
+            info.window = event->xexpose.window;
+            info.found_non_matching = FALSE;
+            while (XCheckIfEvent( wxGlobalDisplay(), &tmp_event, expose_predicate, (XPointer) &info ))
             {
-                win->GetUpdateRegion().Union( event->xexpose.x, event->xexpose.y,
-                                              event->xexpose.width, event->xexpose.height);
+                win->GetUpdateRegion().Union( tmp_event.xexpose.x, tmp_event.xexpose.y,
+                                              tmp_event.xexpose.width, tmp_event.xexpose.height );
                                               
-                win->GetClearRegion().Union( event->xexpose.x, event->xexpose.y,
-                                             event->xexpose.width, event->xexpose.height);
-                
-                if (event->xexpose.count == 0)
-                {
-                    // Only erase background, paint in idle time.
-                    win->SendEraseEvents();
-                }
+                win->GetClearRegion().Union( tmp_event.xexpose.x, tmp_event.xexpose.y,
+                                             tmp_event.xexpose.width, tmp_event.xexpose.height );
             }
+#endif
+
+            win->SendEraseEvents();
 
-            return;
+            return TRUE;
         }
+#if !wxUSE_NANOX
         case GraphicsExpose:
         {
-            if (win)
-            {
-                // wxLogDebug( "GraphicsExpose from %s", win->GetName().c_str(),
-                //                              event->xgraphicsexpose.x, event->xgraphicsexpose.y,
-                //                              event->xgraphicsexpose.width, event->xgraphicsexpose.height);
+            // wxLogDebug( "GraphicsExpose from %s", win->GetName().c_str(),
+            //                              event->xgraphicsexpose.x, event->xgraphicsexpose.y,
+            //                              event->xgraphicsexpose.width, event->xgraphicsexpose.height);
                     
-                win->GetUpdateRegion().Union( event->xgraphicsexpose.x, event->xgraphicsexpose.y,
-                                              event->xgraphicsexpose.width, event->xgraphicsexpose.height);
-                                              
-                win->GetClearRegion().Union( event->xgraphicsexpose.x, event->xgraphicsexpose.y,
-                                             event->xgraphicsexpose.width, event->xgraphicsexpose.height);
+            win->GetUpdateRegion().Union( event->xgraphicsexpose.x, event->xgraphicsexpose.y,
+                                          event->xgraphicsexpose.width, event->xgraphicsexpose.height);
+                                             
+            win->GetClearRegion().Union( event->xgraphicsexpose.x, event->xgraphicsexpose.y,
+                                         event->xgraphicsexpose.width, event->xgraphicsexpose.height);
                                               
-                if (event->xgraphicsexpose.count == 0)
-                {
-                    // Only erase background, paint in idle time.
-                    win->SendEraseEvents();
-                }
+            if (event->xgraphicsexpose.count == 0)
+            {
+                // Only erase background, paint in idle time.
+                win->SendEraseEvents();
             }
 
-            return;
+            return TRUE;
         }
+#endif
         case EnterNotify:
         case LeaveNotify:
         case ButtonPress:
         case ButtonRelease:
         case MotionNotify:
         {
-            if (!win)
-                return;
-                
             if (!win->IsEnabled())
-                return;
-            
-#if 1
+                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())
-                   win->SetFocus();
+                {
+                    // This might actually be done in wxWindow::SetFocus()
+                    // and not here. TODO.
+                    g_prevFocus = wxWindow::FindFocus();
+                    g_nextFocus = win;
+                    
+                    win->SetFocus();
+                    // return TRUE;
+                }
+            }
+            
+#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);
-            win->GetEventHandler()->ProcessEvent( wxevent );
-            return;
+            return win->GetEventHandler()->ProcessEvent( wxevent );
         }
         case FocusIn:
             {
 #if !wxUSE_NANOX
-                if (win && event->xfocus.detail != NotifyPointer)
+                if ((event->xfocus.detail != NotifyPointer) &&
+                    (event->xfocus.mode == NotifyNormal))
 #endif
                 {
-                    wxLogDebug( "FocusIn from %s", win->GetName().c_str() );
+                    // wxLogDebug( "FocusIn from %s of type %s", win->GetName().c_str(), win->GetClassInfo()->GetClassName() );
                     
                     wxFocusEvent focusEvent(wxEVT_SET_FOCUS, win->GetId());
                     focusEvent.SetEventObject(win);
-                    win->GetEventHandler()->ProcessEvent(focusEvent);
+                    focusEvent.SetWindow( g_prevFocus );
+                    g_prevFocus = NULL;
+                    
+                    return win->GetEventHandler()->ProcessEvent(focusEvent);
                 }
+                return FALSE;
                 break;
             }
         case FocusOut:
             {
 #if !wxUSE_NANOX
-                if (win && event->xfocus.detail != NotifyPointer)
+                if ((event->xfocus.detail != NotifyPointer) &&
+                    (event->xfocus.mode == NotifyNormal))
 #endif
                 {
-                    wxLogDebug( "FocusOut from %s", win->GetName().c_str() );
+                    // wxLogDebug( "FocusOut from %s of type %s", win->GetName().c_str(), win->GetClassInfo()->GetClassName() );
                     
                     wxFocusEvent focusEvent(wxEVT_KILL_FOCUS, win->GetId());
                     focusEvent.SetEventObject(win);
-                    win->GetEventHandler()->ProcessEvent(focusEvent);
+                    focusEvent.SetWindow( g_nextFocus );
+                    g_nextFocus = NULL;
+                    return win->GetEventHandler()->ProcessEvent(focusEvent);
                 }
+                return FALSE;
                 break;
             }
-        case DestroyNotify:
+#ifndef wxUSE_NANOX
+         case DestroyNotify:
             {
                 // Do we want to process this (for top-level windows)?
                 // But we want to be able to veto closes, anyway
+                return FALSE;
                 break;
             }
+#endif
         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.
@@ -679,11 +768,12 @@ void wxApp::Dispatch()
 
 // This should be redefined in a derived class for
 // handling property change events for XAtom IPC.
-void wxApp::HandlePropertyChange(WXEvent *event)
+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)
@@ -791,7 +881,7 @@ bool wxApp::OnInitGui()
     delete wxLog::SetActiveTarget(new wxLogStderr);
     
     if (!wxAppBase::OnInitGui())
-	return FALSE;
+    return FALSE;
     
     GetMainColormap( wxApp::GetDisplay() );
 
@@ -823,10 +913,20 @@ Window wxGetWindowParent(Window window)
     return (Window) 0;
 
     Window parent, root = 0;
+#if wxUSE_NANOX
+    int noChildren = 0;
+#else
     unsigned int noChildren = 0;
+#endif
     Window* children = NULL;
-    int res = XQueryTree((Display*) wxGetDisplay(), window, & root, & parent,
-			 & children, & noChildren);
+
+    // #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)