]> git.saurik.com Git - wxWidgets.git/blobdiff - src/gtk/window.cpp
Add wxTranslations::GetTranslatedString().
[wxWidgets.git] / src / gtk / window.cpp
index e6d8aeba8ab5ee75587771f11ded2a00fd5385c1..1d2ab472d794d551552280fda4e2f3a83410c61b 100644 (file)
@@ -2,7 +2,6 @@
 // Name:        src/gtk/window.cpp
 // Purpose:     wxWindowGTK implementation
 // Author:      Robert Roebling
-// Id:          $Id$
 // Copyright:   (c) 1998 Robert Roebling, Julian Smart
 // Licence:     wxWindows licence
 /////////////////////////////////////////////////////////////////////////////
@@ -755,10 +754,10 @@ wxTranslateGTKKeyEventToWx(wxKeyEvent& event,
 
     KeySym keysym = gdk_event->keyval;
 
-    wxLogTrace(TRACE_KEYS, wxT("Key %s event: keysym = %ld"),
+    wxLogTrace(TRACE_KEYS, wxT("Key %s event: keysym = %lu"),
                event.GetEventType() == wxEVT_KEY_UP ? wxT("release")
                                                     : wxT("press"),
-               keysym);
+               static_cast<unsigned long>(keysym));
 
     long key_code = wxTranslateKeySymToWXKey(keysym, false /* !isChar */);
 
@@ -1615,30 +1614,18 @@ gtk_window_motion_notify_callback( GtkWidget * WXUNUSED(widget),
 // "scroll_event" (mouse wheel event)
 //-----------------------------------------------------------------------------
 
-static gboolean
-window_scroll_event_hscrollbar(GtkWidget*, GdkEventScroll* gdk_event, wxWindow* win)
+// Compute lines/columns per action the same way as private GTK+ function
+// _gtk_range_get_wheel_delta()
+static inline int GetWheelScrollActionDelta(GtkRange* range)
 {
-    if (gdk_event->direction != GDK_SCROLL_LEFT &&
-        gdk_event->direction != GDK_SCROLL_RIGHT)
-    {
-        return false;
-    }
-
-    GtkRange *range = win->m_scrollBar[wxWindow::ScrollDir_Horz];
-
-    if (range && gtk_widget_get_visible(GTK_WIDGET(range)))
+    int delta = 3;
+    if (range)
     {
         GtkAdjustment* adj = gtk_range_get_adjustment(range);
-        double delta = gtk_adjustment_get_step_increment(adj) * 3;
-        if (gdk_event->direction == GDK_SCROLL_LEFT)
-            delta = -delta;
-
-        gtk_range_set_value(range, gtk_adjustment_get_value(adj) + delta);
-
-        return TRUE;
+        const double page_size = gtk_adjustment_get_page_size(adj);
+        delta = wxRound(pow(page_size, 2.0 / 3.0));
     }
-
-    return FALSE;
+    return delta;
 }
 
 static gboolean
@@ -1647,69 +1634,92 @@ window_scroll_event(GtkWidget*, GdkEventScroll* gdk_event, wxWindow* win)
     wxMouseEvent event(wxEVT_MOUSEWHEEL);
     InitMouseEvent(win, event, gdk_event);
 
-    // FIXME: Get these values from GTK or GDK
-    event.m_linesPerAction = 3;
-    event.m_columnsPerAction = 3;
     event.m_wheelDelta = 120;
 
-    // Determine the scroll direction.
-    switch (gdk_event->direction)
-    {
-        case GDK_SCROLL_UP:
-        case GDK_SCROLL_RIGHT:
-            event.m_wheelRotation = 120;
-            break;
-
-        case GDK_SCROLL_DOWN:
-        case GDK_SCROLL_LEFT:
-            event.m_wheelRotation = -120;
-            break;
 #if GTK_CHECK_VERSION(3,4,0)
-        case GDK_SCROLL_SMOOTH:
-            // TODO
-#endif
-        default:
-            return false;  // Unknown/unhandled direction
+    if (gdk_event->direction == GDK_SCROLL_SMOOTH)
+    {
+        bool processed_x = false;
+        if (gdk_event->delta_x)
+        {
+            event.m_wheelAxis = wxMOUSE_WHEEL_HORIZONTAL;
+            event.m_wheelRotation = int(event.m_wheelDelta * gdk_event->delta_x);
+            GtkRange* range = win->m_scrollBar[wxWindow::ScrollDir_Horz];
+            event.m_linesPerAction = GetWheelScrollActionDelta(range);
+            event.m_columnsPerAction = event.m_linesPerAction;
+            processed_x = win->GTKProcessEvent(event);
+        }
+        bool processed_y = false;
+        if (gdk_event->delta_y)
+        {
+            event.m_wheelAxis = wxMOUSE_WHEEL_VERTICAL;
+            event.m_wheelRotation = int(event.m_wheelDelta * gdk_event->delta_y);
+            GtkRange* range = win->m_scrollBar[wxWindow::ScrollDir_Vert];
+            event.m_linesPerAction = GetWheelScrollActionDelta(range);
+            event.m_columnsPerAction = event.m_linesPerAction;
+            processed_y = win->GTKProcessEvent(event);
+        }
+        return processed_x || processed_y;
     }
-
-    // And the scroll axis.
+#endif // GTK_CHECK_VERSION(3,4,0)
+    GtkRange *range;
     switch (gdk_event->direction)
     {
         case GDK_SCROLL_UP:
         case GDK_SCROLL_DOWN:
+            range = win->m_scrollBar[wxWindow::ScrollDir_Vert];
             event.m_wheelAxis = wxMOUSE_WHEEL_VERTICAL;
             break;
-
         case GDK_SCROLL_LEFT:
         case GDK_SCROLL_RIGHT:
+            range = win->m_scrollBar[wxWindow::ScrollDir_Horz];
             event.m_wheelAxis = wxMOUSE_WHEEL_HORIZONTAL;
             break;
-#if GTK_CHECK_VERSION(3,4,0)
-        case GDK_SCROLL_SMOOTH:
-            // TODO
-            break;
-#endif
+        default:
+            return false;
     }
 
-    if (win->GTKProcessEvent(event))
-      return TRUE;
-
-    GtkRange *range = win->m_scrollBar[wxWindow::ScrollDir_Vert];
-
-    if (range && gtk_widget_get_visible(GTK_WIDGET(range)))
+    event.m_wheelRotation = event.m_wheelDelta;
+    if (gdk_event->direction == GDK_SCROLL_UP ||
+        gdk_event->direction == GDK_SCROLL_LEFT)
     {
-        GtkAdjustment* adj = gtk_range_get_adjustment(range);
-        double delta = gtk_adjustment_get_step_increment(adj) * 3;
-        if (gdk_event->direction == GDK_SCROLL_UP)
-            delta = -delta;
+        event.m_wheelRotation = -event.m_wheelRotation;
+    }
+    event.m_linesPerAction = GetWheelScrollActionDelta(range);
+    event.m_columnsPerAction = event.m_linesPerAction;
 
-        gtk_range_set_value(range, gtk_adjustment_get_value(adj) + delta);
+    return win->GTKProcessEvent(event);
+}
 
-        return TRUE;
+#if GTK_CHECK_VERSION(3,4,0)
+static gboolean
+hscrollbar_scroll_event(GtkWidget* widget, GdkEventScroll* gdk_event, wxWindow* win)
+{
+    GdkEventScroll event2;
+    if (gdk_event->direction == GDK_SCROLL_SMOOTH && gdk_event->delta_x == 0)
+    {
+        memcpy(&event2, gdk_event, sizeof(event2));
+        event2.delta_x = event2.delta_y;
+        event2.delta_y = 0;
+        gdk_event = &event2;
     }
+    return window_scroll_event(widget, gdk_event, win);
+}
 
-    return FALSE;
+static gboolean
+vscrollbar_scroll_event(GtkWidget* widget, GdkEventScroll* gdk_event, wxWindow* win)
+{
+    GdkEventScroll event2;
+    if (gdk_event->direction == GDK_SCROLL_SMOOTH && gdk_event->delta_y == 0)
+    {
+        memcpy(&event2, gdk_event, sizeof(event2));
+        event2.delta_y = event2.delta_x;
+        event2.delta_x = 0;
+        gdk_event = &event2;
+    }
+    return window_scroll_event(widget, gdk_event, win);
 }
+#endif // GTK_CHECK_VERSION(3,4,0)
 
 //-----------------------------------------------------------------------------
 // "popup-menu"
@@ -1928,9 +1938,11 @@ size_allocate(GtkWidget*, GtkAllocation* alloc, wxWindow* win)
     GtkAllocation a;
     gtk_widget_get_allocation(win->m_widget, &a);
     // update position for widgets in native containers, such as wxToolBar
-    // (for widgets in a wxPizza, the values should already be the same)
-    win->m_x = a.x;
-    win->m_y = a.y;
+    if (!WX_IS_PIZZA(gtk_widget_get_parent(win->m_widget)))
+    {
+        win->m_x = a.x;
+        win->m_y = a.y;
+    }
     win->m_useCachedClientSize = true;
     if (win->m_clientWidth != w || win->m_clientHeight != h)
     {
@@ -2088,12 +2100,14 @@ void wxWindowGTK::GTKHandleUnrealize()
 
 wxWindow *wxWindowBase::DoFindFocus()
 {
+#if wxUSE_MENUS
     // For compatibility with wxMSW, pretend that showing a popup menu doesn't
     // change the focus and that it remains on the window showing it, even
     // though the real focus does change in GTK.
     extern wxMenu *wxCurrentPopupMenu;
     if ( wxCurrentPopupMenu )
         return wxCurrentPopupMenu->GetInvokingWindow();
+#endif // wxUSE_MENUS
 
     wxWindowGTK *focus = gs_pendingFocus ? gs_pendingFocus : gs_currentFocus;
     // the cast is necessary when we compile in wxUniversal mode
@@ -2422,9 +2436,6 @@ wxWindowGTK::~wxWindowGTK()
     // destroy children before destroying this window itself
     DestroyChildren();
 
-    if (m_widget)
-        Show( false );
-
     // delete before the widgets to avoid a crash on solaris
     if ( m_imContext )
     {
@@ -2638,12 +2649,21 @@ void wxWindowGTK::ConnectWidget( GtkWidget *widget )
 
     g_signal_connect (widget, "scroll_event",
                       G_CALLBACK (window_scroll_event), this);
-    if (m_scrollBar[ScrollDir_Horz])
-        g_signal_connect (m_scrollBar[ScrollDir_Horz], "scroll_event",
-                      G_CALLBACK (window_scroll_event_hscrollbar), this);
-    if (m_scrollBar[ScrollDir_Vert])
-        g_signal_connect (m_scrollBar[ScrollDir_Vert], "scroll_event",
-                      G_CALLBACK (window_scroll_event), this);
+    for (int i = 0; i < 2; i++)
+    {
+        GtkRange* range = m_scrollBar[i];
+        if (range)
+        {
+#if GTK_CHECK_VERSION(3,4,0)
+            GCallback cb = GCallback(i == ScrollDir_Horz
+                ? hscrollbar_scroll_event
+                : vscrollbar_scroll_event);
+#else
+            GCallback cb = GCallback(window_scroll_event);
+#endif
+            g_signal_connect(range, "scroll_event", cb, this);
+        }
+    }
 
     g_signal_connect (widget, "popup_menu",
                      G_CALLBACK (wxgtk_window_popup_menu_callback), this);
@@ -3374,6 +3394,8 @@ void wxWindowGTK::SetFocus()
 
 void wxWindowGTK::SetCanFocus(bool canFocus)
 {
+    wxCHECK_RET(m_widget, "invalid window");
+
     gtk_widget_set_can_focus(m_widget, canFocus);
 
     if ( m_wxwindow && (m_widget != m_wxwindow) )
@@ -4365,6 +4387,13 @@ bool wxWindowGTK::DoPopupMenu( wxMenu *menu, int x, int y )
                   gtk_get_current_event_time()
                 );
 
+    // it is possible for gtk_menu_popup() to fail
+    if (!gtk_widget_get_visible(GTK_WIDGET(menu->m_menu)))
+    {
+        menu->m_popupShown = false;
+        return false;
+    }
+
     while (menu->m_popupShown)
     {
         gtk_main_iteration();
@@ -4594,7 +4623,9 @@ int wxWindowGTK::GetScrollRange( int orient ) const
 //   difference due to possible inexactness in floating point arithmetic
 static inline bool IsScrollIncrement(double increment, double x)
 {
-    wxASSERT(increment > 0);
+    wxASSERT(increment >= 0);
+    if ( increment == 0. )
+        return false;
     const double tolerance = 1.0 / 1024;
     return fabs(increment - fabs(x)) < tolerance;
 }