Make wxComboBox spit out a bit fewer surplis

   events when holding down the mouse button.
 Enable key based navigation through notebook
   tabs as in the native control with Left and
   right keys. Support for vetoing.

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@29668 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

diff --git a/src/gtk/combobox.cpp b/src/gtk/combobox.cpp
index 557d3e1b5dab71cae59a5b56d92edb17f29ae689..fc3754d399d9a3065795ff03bbb4b291e4352a7e 100644 (file)
--- a/src/gtk/combobox.cpp
+++ b/src/gtk/combobox.cpp
@@ -54,18 +54,18 @@ gtk_combo_select_child_callback( GtkList *WXUNUSED(list), GtkWidget *WXUNUSED(wi
 
     int curSelection = combo->GetSelection();
 
-    if (combo->m_prevSelection != curSelection)
-    {
-        GtkWidget *list = GTK_COMBO(combo->m_widget)->list;
-        gtk_list_unselect_item( GTK_LIST(list), combo->m_prevSelection );
-    }
+    if (combo->m_prevSelection == curSelection) return;
+
+    GtkWidget *list = GTK_COMBO(combo->m_widget)->list;
+    gtk_list_unselect_item( GTK_LIST(list), combo->m_prevSelection );
+    
     combo->m_prevSelection = curSelection;
 
     wxCommandEvent event( wxEVT_COMMAND_COMBOBOX_SELECTED, combo->GetId() );
     event.SetInt( curSelection );
     event.SetString( combo->GetStringSelection() );
     event.SetEventObject( combo );
-
+    
     combo->GetEventHandler()->ProcessEvent( event );
 }
 

diff --git a/src/gtk/notebook.cpp b/src/gtk/notebook.cpp
index c3dd7241a1f4c8cf857dfe36a8023cb61668ff81..75a64b0233c0da3a925461760caf5dd7904d9f01 100644 (file)
--- a/src/gtk/notebook.cpp
+++ b/src/gtk/notebook.cpp
@@ -185,32 +185,60 @@ gtk_notebook_realized_callback( GtkWidget * WXUNUSED(widget), wxWindow *win )
 // "key_press_event"
 //-----------------------------------------------------------------------------
 
-static gint gtk_notebook_key_press_callback( GtkWidget *widget, GdkEventKey *gdk_event, wxNotebook *win )
+static gint gtk_notebook_key_press_callback( GtkWidget *widget, GdkEventKey *gdk_event, wxNotebook *notebook )
 {
     if (g_isIdle)
         wxapp_install_idle_handler();
 
-    if (!win->m_hasVMT) return FALSE;
+    if (!notebook->m_hasVMT) return FALSE;
     if (g_blockEventsOnDrag) return FALSE;
+    
+    /* win is a control: tab can be propagated up */
+    if ((gdk_event->keyval == GDK_Left) || (gdk_event->keyval == GDK_Right))
+    {
+        int page;
+        int nMax = notebook->GetPageCount();
+        if ( nMax-- ) // decrement it to get the last valid index
+        {
+            int nSel = notebook->GetSelection();
+
+            // change selection wrapping if it becomes invalid
+            page = (gdk_event->keyval != GDK_Left) ? nSel == nMax ? 0
+                                       : nSel + 1
+                        : nSel == 0 ? nMax
+                                    : nSel - 1;
+        }
+        else // notebook is empty, no next page
+        {
+            return FALSE;
+        }
+    
+        // m_selection = page;
+        gtk_notebook_set_page( GTK_NOTEBOOK(widget), page );
+        
+        gtk_signal_emit_stop_by_name( GTK_OBJECT(widget), "key_press_event" );
+        return TRUE;
+    }
 
     /* win is a control: tab can be propagated up */
     if ((gdk_event->keyval == GDK_Tab) || (gdk_event->keyval == GDK_ISO_Left_Tab))
     {
-        int sel = win->GetSelection();
+        int sel = notebook->GetSelection();
         if (sel == -1)
             return TRUE;
-        wxGtkNotebookPage *nb_page = win->GetNotebookPage(sel);
+        wxGtkNotebookPage *nb_page = notebook->GetNotebookPage(sel);
         wxCHECK_MSG( nb_page, FALSE, _T("invalid selection in wxNotebook") );
 
         wxNavigationKeyEvent event;
-        event.SetEventObject( win );
+        event.SetEventObject( notebook );
         /* GDK reports GDK_ISO_Left_Tab for SHIFT-TAB */
         event.SetDirection( (gdk_event->keyval == GDK_Tab) );
         /* CTRL-TAB changes the (parent) window, i.e. switch notebook page */
-        event.SetWindowChange( (gdk_event->state & GDK_CONTROL_MASK) );
-        event.SetCurrentFocus( win );
+        event.SetWindowChange( (gdk_event->state & GDK_CONTROL_MASK) || 
+                               (gdk_event->keyval == GDK_Left) || (gdk_event->keyval == GDK_Right) );
+        event.SetCurrentFocus( notebook );
 
-        wxNotebookPage *client = win->GetPage(sel);
+        wxNotebookPage *client = notebook->GetPage(sel);
         if ( !client->GetEventHandler()->ProcessEvent( event ) )
         {
              client->SetFocus();

diff --git a/src/gtk1/combobox.cpp b/src/gtk1/combobox.cpp
index 557d3e1b5dab71cae59a5b56d92edb17f29ae689..fc3754d399d9a3065795ff03bbb4b291e4352a7e 100644 (file)
--- a/src/gtk1/combobox.cpp
+++ b/src/gtk1/combobox.cpp
@@ -54,18 +54,18 @@ gtk_combo_select_child_callback( GtkList *WXUNUSED(list), GtkWidget *WXUNUSED(wi
 
     int curSelection = combo->GetSelection();
 
-    if (combo->m_prevSelection != curSelection)
-    {
-        GtkWidget *list = GTK_COMBO(combo->m_widget)->list;
-        gtk_list_unselect_item( GTK_LIST(list), combo->m_prevSelection );
-    }
+    if (combo->m_prevSelection == curSelection) return;
+
+    GtkWidget *list = GTK_COMBO(combo->m_widget)->list;
+    gtk_list_unselect_item( GTK_LIST(list), combo->m_prevSelection );
+    
     combo->m_prevSelection = curSelection;
 
     wxCommandEvent event( wxEVT_COMMAND_COMBOBOX_SELECTED, combo->GetId() );
     event.SetInt( curSelection );
     event.SetString( combo->GetStringSelection() );
     event.SetEventObject( combo );
-
+    
     combo->GetEventHandler()->ProcessEvent( event );
 }
 

diff --git a/src/gtk1/notebook.cpp b/src/gtk1/notebook.cpp
index c3dd7241a1f4c8cf857dfe36a8023cb61668ff81..75a64b0233c0da3a925461760caf5dd7904d9f01 100644 (file)
--- a/src/gtk1/notebook.cpp
+++ b/src/gtk1/notebook.cpp
@@ -185,32 +185,60 @@ gtk_notebook_realized_callback( GtkWidget * WXUNUSED(widget), wxWindow *win )
 // "key_press_event"
 //-----------------------------------------------------------------------------
 
-static gint gtk_notebook_key_press_callback( GtkWidget *widget, GdkEventKey *gdk_event, wxNotebook *win )
+static gint gtk_notebook_key_press_callback( GtkWidget *widget, GdkEventKey *gdk_event, wxNotebook *notebook )
 {
     if (g_isIdle)
         wxapp_install_idle_handler();
 
-    if (!win->m_hasVMT) return FALSE;
+    if (!notebook->m_hasVMT) return FALSE;
     if (g_blockEventsOnDrag) return FALSE;
+    
+    /* win is a control: tab can be propagated up */
+    if ((gdk_event->keyval == GDK_Left) || (gdk_event->keyval == GDK_Right))
+    {
+        int page;
+        int nMax = notebook->GetPageCount();
+        if ( nMax-- ) // decrement it to get the last valid index
+        {
+            int nSel = notebook->GetSelection();
+
+            // change selection wrapping if it becomes invalid
+            page = (gdk_event->keyval != GDK_Left) ? nSel == nMax ? 0
+                                       : nSel + 1
+                        : nSel == 0 ? nMax
+                                    : nSel - 1;
+        }
+        else // notebook is empty, no next page
+        {
+            return FALSE;
+        }
+    
+        // m_selection = page;
+        gtk_notebook_set_page( GTK_NOTEBOOK(widget), page );
+        
+        gtk_signal_emit_stop_by_name( GTK_OBJECT(widget), "key_press_event" );
+        return TRUE;
+    }
 
     /* win is a control: tab can be propagated up */
     if ((gdk_event->keyval == GDK_Tab) || (gdk_event->keyval == GDK_ISO_Left_Tab))
     {
-        int sel = win->GetSelection();
+        int sel = notebook->GetSelection();
         if (sel == -1)
             return TRUE;
-        wxGtkNotebookPage *nb_page = win->GetNotebookPage(sel);
+        wxGtkNotebookPage *nb_page = notebook->GetNotebookPage(sel);
         wxCHECK_MSG( nb_page, FALSE, _T("invalid selection in wxNotebook") );
 
         wxNavigationKeyEvent event;
-        event.SetEventObject( win );
+        event.SetEventObject( notebook );
         /* GDK reports GDK_ISO_Left_Tab for SHIFT-TAB */
         event.SetDirection( (gdk_event->keyval == GDK_Tab) );
         /* CTRL-TAB changes the (parent) window, i.e. switch notebook page */
-        event.SetWindowChange( (gdk_event->state & GDK_CONTROL_MASK) );
-        event.SetCurrentFocus( win );
+        event.SetWindowChange( (gdk_event->state & GDK_CONTROL_MASK) || 
+                               (gdk_event->keyval == GDK_Left) || (gdk_event->keyval == GDK_Right) );
+        event.SetCurrentFocus( notebook );
 
-        wxNotebookPage *client = win->GetPage(sel);
+        wxNotebookPage *client = notebook->GetPage(sel);
         if ( !client->GetEventHandler()->ProcessEvent( event ) )
         {
              client->SetFocus();