]> git.saurik.com Git - wxWidgets.git/blobdiff - src/gtk1/window.cpp
Removed a line of debug code that got left in
[wxWidgets.git] / src / gtk1 / window.cpp
index 254545aa5bd8088fd6fa12ca17a8d3f5c558daa1..57925258007e5fa548330408d93a403d28e62d18 100644 (file)
@@ -208,7 +208,6 @@ extern wxCursor   g_globalCursor;
 // inside it
 static wxWindowGTK  *g_captureWindow = (wxWindowGTK*) NULL;
 static bool g_captureWindowHasMouse = FALSE;
-static wxWindowList g_capturedWindows;
 
 /* extern */ wxWindowGTK  *g_focusWindow = (wxWindowGTK*) NULL;
 
@@ -217,6 +216,11 @@ static wxWindowList g_capturedWindows;
 // keeps its previous value
 static wxWindowGTK *g_focusWindowLast = (wxWindowGTK *)NULL;
 
+// the frame that is currently active (i.e. its child has focus). It is
+// used to generate wxActivateEvents
+static wxWindowGTK *g_activeFrame = (wxWindowGTK *)NULL;
+static bool g_activeFrameLostFocus = FALSE;
+
 // if we detect that the app has got/lost the focus, we set this variable to
 // either TRUE or FALSE and an activate event will be sent during the next
 // OnIdle() call and it is reset to -1: this value means that we shouldn't
@@ -359,6 +363,16 @@ wxWindow *wxFindFocusedChild(wxWindowGTK *win)
     return (wxWindow *)NULL;
 }
 
+// Returns toplevel grandparent of given window:
+static wxWindowGTK* wxGetTopLevelParent(wxWindowGTK *win)
+{
+    wxWindowGTK *p = win;
+    while (p && !p->IsTopLevel())
+         p = p->GetParent();
+    return p;
+}
+
+
 static void draw_frame( GtkWidget *widget, wxWindowGTK *win )
 {
     // wxUniversal widgets draw the borders and scrollbars themselves
@@ -472,10 +486,21 @@ static void gtk_window_own_draw_callback( GtkWidget *widget, GdkRectangle *WXUNU
 
 static long map_to_unmodified_wx_keysym( GdkEventKey *event )
 {
+    // VZ: it seems that GDK_KEY_RELEASE event doesn't set event->string
+    //     but only event->keyval which is quite useless to us, so remember
+    //     the last character from GDK_KEY_PRESS and resue it as last resort
+    //
+    // NB: should be MT-neutral as always called from main thread only
+    static struct
+    {
+        KeySym keysym;
+        long   keycode;
+    } s_lastKeyPress = { 0, 0 };
+
     KeySym keysym = event->keyval;
-    guint key_code = 0;
+    long key_code;
 
-    switch (keysym)
+    switch ( keysym )
     {
         case GDK_Shift_L:
         case GDK_Shift_R:       key_code = WXK_SHIFT;       break;
@@ -568,20 +593,45 @@ static long map_to_unmodified_wx_keysym( GdkEventKey *event )
         case GDK_F12:           key_code = WXK_F12;         break;
         default:
         {
-        if (event->length == 1)
-        {
-            key_code = toupper( (unsigned char)*event->string );
-        }
-        else if ((keysym & 0xFF) == keysym)
+            // do we have the translation?
+            if ( event->length == 1 )
             {
-                guint upper = gdk_keyval_to_upper( (guint)keysym );
-                keysym = (upper != 0 ? upper : keysym ); /* to be MSW compatible */
-                key_code = (guint)keysym;
+                keysym = (KeySym)event->string[0];
+            }
+            else if ( (keysym & 0xFF) != keysym )
+            {
+                // non ASCII key, what to do?
+
+                if ( event->type == GDK_KEY_RELEASE )
+                {
+                    // reuse the one from the last keypress if any
+                    if ( keysym == s_lastKeyPress.keysym )
+                    {
+                        key_code = s_lastKeyPress.keycode;
+
+                        // skip "return 0"
+                        break;
+                    }
+                }
+
+                // ignore this one, we don't know it
+                return 0;
+            }
+            //else: ASCII key, ok
+
+            guint upper = gdk_keyval_to_upper( (guint)keysym );
+            key_code = upper ? upper : keysym;
+
+            if ( event->type == GDK_KEY_PRESS )
+            {
+                // remember it to be reused below later
+                s_lastKeyPress.keysym = keysym;
+                s_lastKeyPress.keycode = key_code;
             }
         }
     }
 
-    return (key_code);
+    return key_code;
 }
 
 static long map_to_wx_keysym( GdkEventKey *event )
@@ -671,19 +721,17 @@ static long map_to_wx_keysym( GdkEventKey *event )
         case GDK_F11:           key_code = WXK_F11;         break;
         case GDK_F12:           key_code = WXK_F12;         break;
         default:
-        {
-        if (event->length == 1)
-        {
-            key_code = (unsigned char)*event->string;
-        }
-        else if ((keysym & 0xFF) == keysym)
+            if (event->length == 1)
+            {
+                key_code = (unsigned char)*event->string;
+            }
+            else if ((keysym & 0xFF) == keysym)
             {
                 key_code = (guint)keysym;
             }
-        }
     }
 
-    return (key_code);
+    return key_code;
 }
 
 //-----------------------------------------------------------------------------
@@ -953,6 +1001,9 @@ static void gtk_window_draw_callback( GtkWidget *widget,
 // "key_press_event" from any window
 //-----------------------------------------------------------------------------
 
+// turn on to see the key event codes on the console
+#undef DEBUG_KEY_EVENTS
+
 static gint gtk_window_key_press_callback( GtkWidget *widget,
                                            GdkEventKey *gdk_event,
                                            wxWindow *win )
@@ -966,23 +1017,23 @@ static gint gtk_window_key_press_callback( GtkWidget *widget,
     if (g_blockEventsOnDrag) return FALSE;
 
 
-/*
-    wxString tmp;
-    tmp += (char)gdk_event->keyval;
-    printf( "KeyDown-Code is: %s.\n", tmp.c_str() );
-    printf( "KeyDown-ScanCode is: %d.\n", gdk_event->keyval );
-*/
-
     int x = 0;
     int y = 0;
     GdkModifierType state;
-    if (gdk_event->window) gdk_window_get_pointer(gdk_event->window, &x, &y, &state);
+    if (gdk_event->window)
+        gdk_window_get_pointer(gdk_event->window, &x, &y, &state);
 
     bool ret = FALSE;
 
     long key_code = map_to_unmodified_wx_keysym( gdk_event );
+
+#ifdef DEBUG_KEY_EVENTS
+    wxPrintf(_T("Key press event: %d => %ld\n"), gdk_event->keyval, key_code);
+#endif // DEBUG_KEY_EVENTS
+
     /* sending unknown key events doesn't really make sense */
-    if (key_code == 0) return FALSE;
+    if (key_code == 0)
+        return FALSE;
 
     wxKeyEvent event( wxEVT_KEY_DOWN );
     event.SetTimestamp( gdk_event->time );
@@ -1017,39 +1068,37 @@ static gint gtk_window_key_press_callback( GtkWidget *widget,
     }
 #endif // wxUSE_ACCEL
 
-    /* wxMSW doesn't send char events with Alt pressed */
     /* Only send wxEVT_CHAR event if not processed yet. Thus, ALT-x
        will only be sent if it is not in an accelerator table. */
-    key_code = map_to_wx_keysym( gdk_event );
-
-    if ( (!ret) &&
-         (key_code != 0))
+    if ( !ret )
     {
-        wxKeyEvent event2( wxEVT_CHAR );
-        event2.SetTimestamp( gdk_event->time );
-        event2.m_shiftDown = (gdk_event->state & GDK_SHIFT_MASK);
-        event2.m_controlDown = (gdk_event->state & GDK_CONTROL_MASK);
-        event2.m_altDown = (gdk_event->state & GDK_MOD1_MASK);
-        event2.m_metaDown = (gdk_event->state & GDK_MOD2_MASK);
-        event2.m_keyCode = key_code;
-        event2.m_scanCode = gdk_event->keyval;
-        event2.m_x = x;
-        event2.m_y = y;
-        event2.SetEventObject( win );
-        ret = win->GetEventHandler()->ProcessEvent( event2 );
+        key_code = map_to_wx_keysym( gdk_event );
+
+        if ( key_code )
+        {
+#ifdef DEBUG_KEY_EVENTS
+            wxPrintf(_T("Char event: %ld\n"), key_code);
+#endif // DEBUG_KEY_EVENTS
+
+            // reuse the ame event object, just change its type and use the
+            // translated keycode instead of the raw one
+            event.SetEventType(wxEVT_CHAR);
+            event.m_keyCode = key_code;
+
+            ret = win->GetEventHandler()->ProcessEvent( event );
+        }
     }
 
     /* win is a control: tab can be propagated up */
-    if ( (!ret) &&
+    if ( !ret &&
          ((gdk_event->keyval == GDK_Tab) || (gdk_event->keyval == GDK_ISO_Left_Tab)) &&
 // VZ: testing for wxTE_PROCESS_TAB shouldn't be done here the control may
 //     have this style, yet choose not to process this particular TAB in which
 //     case TAB must still work as a navigational character
 #if 0
-         (!win->HasFlag(wxTE_PROCESS_TAB)) &&
+         !win->HasFlag(wxTE_PROCESS_TAB) &&
 #endif // 0
-         (win->GetParent()) &&
-         (win->GetParent()->HasFlag( wxTAB_TRAVERSAL)) )
+         win->GetParent() && (win->GetParent()->HasFlag( wxTAB_TRAVERSAL)) )
     {
         wxNavigationKeyEvent new_event;
         new_event.SetEventObject( win->GetParent() );
@@ -1062,7 +1111,7 @@ static gint gtk_window_key_press_callback( GtkWidget *widget,
     }
 
     /* generate wxID_CANCEL if <esc> has been pressed (typically in dialogs) */
-    if ( (!ret) &&
+    if ( !ret &&
          (gdk_event->keyval == GDK_Escape) )
     {
         wxCommandEvent new_event(wxEVT_COMMAND_BUTTON_CLICKED,wxID_CANCEL);
@@ -1070,10 +1119,9 @@ static gint gtk_window_key_press_callback( GtkWidget *widget,
         ret = win->GetEventHandler()->ProcessEvent( new_event );
     }
 
-#if (GTK_MINOR_VERSION > 0)
-    /* Pressing F10 will activate the menu bar of the top frame. */
     /* Doesn't work. */
-/*
+#if 0 // (GTK_MINOR_VERSION > 0)
+    /* Pressing F10 will activate the menu bar of the top frame. */
     if ( (!ret) &&
          (gdk_event->keyval == GDK_F10) )
     {
@@ -1099,8 +1147,7 @@ static gint gtk_window_key_press_callback( GtkWidget *widget,
             ancestor = ancestor->GetParent();
         }
     }
-*/
-#endif
+#endif // 0
 
     if (ret)
     {
@@ -1125,28 +1172,20 @@ static gint gtk_window_key_release_callback( GtkWidget *widget, GdkEventKey *gdk
     if (!win->m_hasVMT) return FALSE;
     if (g_blockEventsOnDrag) return FALSE;
 
-/*
-    printf( "KeyUp-ScanCode is: %d.\n", gdk_event->keyval );
-    if (gdk_event->state & GDK_SHIFT_MASK)
-      printf( "ShiftDown.\n" );
-    else
-      printf( "ShiftUp.\n" );
-    if (gdk_event->state & GDK_CONTROL_MASK)
-      printf( "ControlDown.\n" );
-    else
-      printf( "ControlUp.\n" );
-    printf( "\n" );
-*/
-
     long key_code = map_to_unmodified_wx_keysym( gdk_event );
 
+#ifdef DEBUG_KEY_EVENTS
+    wxPrintf(_T("Key release event: %d => %ld\n"), gdk_event->keyval, key_code);
+#endif // DEBUG_KEY_EVENTS
+
     /* sending unknown key events doesn't really make sense */
     if (key_code == 0) return FALSE;
 
     int x = 0;
     int y = 0;
     GdkModifierType state;
-    if (gdk_event->window) gdk_window_get_pointer(gdk_event->window, &x, &y, &state);
+    if (gdk_event->window)
+        gdk_window_get_pointer(gdk_event->window, &x, &y, &state);
 
     wxKeyEvent event( wxEVT_KEY_UP );
     event.SetTimestamp( gdk_event->time );
@@ -1710,14 +1749,25 @@ static gint gtk_window_focus_in_callback( GtkWidget *widget,
     }
 #endif // wxUSE_CARET
 
-    if (win->IsTopLevel())
+    wxWindowGTK *active = wxGetTopLevelParent(win);
+    if ( active != g_activeFrame )
     {
-        wxActivateEvent event( wxEVT_ACTIVATE, TRUE, win->GetId() );
-        event.SetEventObject( win );
+        if ( g_activeFrame )
+        {
+            wxLogTrace(wxT("activate"), wxT("Deactivating frame %p (from focus_in)"), g_activeFrame);
+            wxActivateEvent event(wxEVT_ACTIVATE, FALSE, g_activeFrame->GetId());
+            event.SetEventObject(g_activeFrame);
+            g_activeFrame->GetEventHandler()->ProcessEvent(event);
+        }
 
-        // ignore return value
-        win->GetEventHandler()->ProcessEvent( event );
+        wxLogTrace(wxT("activate"), wxT("Activating frame %p (from focus_in)"), active);
+        g_activeFrame = active;
+        wxActivateEvent event(wxEVT_ACTIVATE, TRUE, g_activeFrame->GetId());
+        event.SetEventObject(g_activeFrame);
+        g_activeFrame->GetEventHandler()->ProcessEvent(event);
     }
+    g_activeFrameLostFocus = FALSE;
+
 
     wxFocusEvent event( wxEVT_SET_FOCUS, win->GetId() );
     event.SetEventObject( win );
@@ -1736,6 +1786,8 @@ static gint gtk_window_focus_in_callback( GtkWidget *widget,
 // "focus_out_event"
 //-----------------------------------------------------------------------------
 
+static GtkWidget *gs_widgetLastFocus = NULL;
+
 static gint gtk_window_focus_out_callback( GtkWidget *widget, GdkEvent *WXUNUSED(event), wxWindowGTK *win )
 {
     DEBUG_MAIN_THREAD
@@ -1746,6 +1798,24 @@ static gint gtk_window_focus_out_callback( GtkWidget *widget, GdkEvent *WXUNUSED
     if (!win->m_hasVMT) return FALSE;
     if (g_blockEventsOnDrag) return FALSE;
 
+    // VZ: this is really weird but GTK+ seems to call us from inside
+    //     gtk_widget_grab_focus(), i.e. it first sends "focus_out" signal to
+    //     this widget and then "focus_in". This is totally unexpected and
+    //     completely breaks wxUniv code so ignore this dummy event (we can't
+    //     be losing focus if we're about to acquire it!)
+    if ( widget == gs_widgetLastFocus )
+    {
+        gs_widgetLastFocus = NULL;
+
+        return FALSE;
+    }
+
+    if ( !g_activeFrameLostFocus && g_activeFrame )
+    {
+        wxASSERT_MSG( wxGetTopLevelParent(win) == g_activeFrame, wxT("unfocusing window that haven't gained focus properly") )
+        g_activeFrameLostFocus = TRUE;
+    }
+
     // if the focus goes out of our app alltogether, OnIdle() will send
     // wxActivateEvent, otherwise gtk_window_focus_in_callback() will reset
     // g_sendActivateEvent to -1
@@ -1778,15 +1848,6 @@ static gint gtk_window_focus_out_callback( GtkWidget *widget, GdkEvent *WXUNUSED
     }
 #endif // wxUSE_CARET
 
-    if (win->IsTopLevel())
-    {
-        wxActivateEvent event( wxEVT_ACTIVATE, FALSE, win->GetId() );
-        event.SetEventObject( win );
-
-        // ignore return value
-        win->GetEventHandler()->ProcessEvent( event );
-    }
-
     wxFocusEvent event( wxEVT_KILL_FOCUS, win->GetId() );
     event.SetEventObject( win );
 
@@ -2475,11 +2536,12 @@ bool wxWindowGTK::Create( wxWindow *parent,
 
 wxWindowGTK::~wxWindowGTK()
 {
-    wxASSERT_MSG( g_capturedWindows.IndexOf(this) == wxNOT_FOUND, wxT("trying to destroy window that didn't release focus") );
-
     if (g_focusWindow == this)
         g_focusWindow = NULL;
 
+    if (g_activeFrame == this)
+        g_activeFrame = NULL;
+
     m_isBeingDeleted = TRUE;
     m_hasVMT = FALSE;
 
@@ -2799,6 +2861,19 @@ void wxWindowGTK::OnInternalIdle()
         wxTheApp->SetActive(activate, (wxWindow *)g_focusWindowLast);
     }
 
+    if ( g_activeFrameLostFocus )
+    {
+        if ( g_activeFrame )
+        {
+            wxLogTrace(wxT("activate"), wxT("Deactivating frame %p (from idle)"), g_activeFrame);
+            wxActivateEvent event(wxEVT_ACTIVATE, FALSE, g_activeFrame->GetId());
+            event.SetEventObject(g_activeFrame);
+            g_activeFrame->GetEventHandler()->ProcessEvent(event);
+            g_activeFrame = NULL;
+        }
+        g_activeFrameLostFocus = FALSE;
+    }
+
     wxCursor cursor = m_cursor;
     if (g_globalCursor.Ok()) cursor = g_globalCursor;
 
@@ -2992,20 +3067,8 @@ void wxWindowGTK::DoGetPosition( int *x, int *y ) const
         dy = pizza->yoffset;
     }
     
-    int nx = m_x - dx;
-    int ny = m_y - dy;
-    
-    if ( !IsTopLevel() && m_parent )
-    {
-        // We may be faking the client origin. So a window that's really at (0,
-        // 30) may appear (to wxWin apps) to be at (0, 0).
-        wxPoint pt(m_parent->GetClientAreaOrigin());
-        nx -= pt.x;
-        ny -= pt.y;
-    }
-
-    if (x) (*x) = nx;
-    if (y) (*y) = ny;
+    if (x) (*x) = m_x - dx;
+    if (y) (*y) = m_y - dy;
 }
 
 void wxWindowGTK::DoClientToScreen( int *x, int *y ) const
@@ -3168,11 +3231,13 @@ void wxWindowGTK::SetFocus()
     if (m_wxwindow)
     {
         if (!GTK_WIDGET_HAS_FOCUS (m_wxwindow))
+        {
+            // see comment in gtk_window_focus_out_callback()
+            gs_widgetLastFocus = m_wxwindow;
             gtk_widget_grab_focus (m_wxwindow);
-        return;
+        }
     }
-
-    if (m_widget)
+    else if (m_widget)
     {
         if (GTK_WIDGET_CAN_FOCUS(m_widget) && !GTK_WIDGET_HAS_FOCUS (m_widget) )
         {
@@ -3754,17 +3819,19 @@ bool wxWindowGTK::SetFont( const wxFont &font )
     return TRUE;
 }
 
-static void wxDoCaptureMouse(wxWindowGTK *wnd)
+void wxWindowGTK::CaptureMouse()
 {
+    wxCHECK_RET( m_widget != NULL, wxT("invalid window") );
+
     GdkWindow *window = (GdkWindow*) NULL;
-    if (wnd->m_wxwindow)
-        window = GTK_PIZZA(wnd->m_wxwindow)->bin_window;
+    if (m_wxwindow)
+        window = GTK_PIZZA(m_wxwindow)->bin_window;
     else
-        window = wnd->GetConnectWidget()->window;
+        window = GetConnectWidget()->window;
 
     wxCHECK_RET( window, _T("CaptureMouse() failed") );
 
-    wxCursor* cursor = &wnd->GetCursor();
+    wxCursor* cursor = & m_cursor;
     if (!cursor->Ok())
         cursor = wxSTANDARD_CURSOR;
 
@@ -3777,54 +3844,27 @@ static void wxDoCaptureMouse(wxWindowGTK *wnd)
                       (GdkWindow *) NULL,
                       cursor->GetCursor(),
                       (guint32)GDK_CURRENT_TIME );
-    g_captureWindow = wnd;
+    g_captureWindow = this;
     g_captureWindowHasMouse = TRUE;
-    wxLogDebug("captured %p", wnd);
 }
 
-static void wxDoReleaseMouse(wxWindowGTK *wnd)
+void wxWindowGTK::ReleaseMouse()
 {
-    wxLogDebug("trying to release %p", wnd);
+    wxCHECK_RET( m_widget != NULL, wxT("invalid window") );
+
     wxCHECK_RET( g_captureWindow, wxT("can't release mouse - not captured") );
 
     GdkWindow *window = (GdkWindow*) NULL;
-    if (wnd->m_wxwindow)
-        window = GTK_PIZZA(wnd->m_wxwindow)->bin_window;
+    if (m_wxwindow)
+        window = GTK_PIZZA(m_wxwindow)->bin_window;
     else
-        window = wnd->GetConnectWidget()->window;
+        window = GetConnectWidget()->window;
 
     if (!window)
         return;
 
     gdk_pointer_ungrab ( (guint32)GDK_CURRENT_TIME );
     g_captureWindow = (wxWindowGTK*) NULL;
-    wxLogDebug("released %p", wnd);
-}
-
-void wxWindowGTK::CaptureMouse()
-{
-     wxCHECK_RET( m_widget != NULL, wxT("invalid window") );
-
-    wxLogDebug("CAPTURE %p", this);
-    wxWindowList::Node *last = g_capturedWindows.GetLast();
-    if (last)
-        wxDoReleaseMouse(last->GetData());
-
-     g_capturedWindows.Append(this);
-     wxDoCaptureMouse(this);
-}
-
-void wxWindowGTK::ReleaseMouse()
-{
-    wxCHECK_RET( m_widget != NULL, wxT("invalid window") );
-
-    wxLogDebug("RELEASE %p", this);
-    wxDoReleaseMouse(this);   
-    g_capturedWindows.DeleteObject(this);
-
-    wxWindowList::Node *last = g_capturedWindows.GetLast();
-    if (last)
-        wxDoCaptureMouse(last->GetData());
 }
 
 /* static */