X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/f03fc89fff2d6e823e7d4d14fbe14822ad6777b1..6bbd334480935bcb47955797fa1f18cd8d9b21a8:/src/gtk/listbox.cpp

diff --git a/src/gtk/listbox.cpp b/src/gtk/listbox.cpp
index 4e6c9af4c4..50145c9978 100644
--- a/src/gtk/listbox.cpp
+++ b/src/gtk/listbox.cpp
@@ -64,36 +64,30 @@ extern bool g_isIdle;
 extern bool   g_blockEventsOnDrag;
 extern bool   g_blockEventsOnScroll;
 
+static bool   g_hasDoubleClicked = FALSE;
+
 //-----------------------------------------------------------------------------
-// "button_press_event"
+// "button_release_event"
 //-----------------------------------------------------------------------------
 
+/* we would normally emit a wxEVT_COMMAND_LISTBOX_DOUBLECLICKED event once
+   a GDK_2BUTTON_PRESS occurs, but this has the particular problem of the
+   listbox keeping the focus until it receives a GDK_BUTTON_RELEASE event.
+   this can lead to race conditions so that we emit the dclick event
+   after the GDK_BUTTON_RELEASE event after the GDK_2BUTTON_PRESS event */
+
 static gint
-gtk_listbox_button_press_callback( GtkWidget *widget, GdkEventButton *gdk_event, wxListBox *listbox )
+gtk_listbox_button_release_callback( GtkWidget *widget, GdkEventButton *gdk_event, wxListBox *listbox )
 {
     if (g_isIdle) wxapp_install_idle_handler();
 
     if (g_blockEventsOnDrag) return FALSE;
     if (g_blockEventsOnScroll) return FALSE;
 
-    if (!listbox->HasVMT()) return FALSE;
+    if (!listbox->m_hasVMT) return FALSE;
 
-    int sel = listbox->GetIndex( widget );
-
-    if ((listbox->m_hasCheckBoxes) && (gdk_event->x < 15) && (gdk_event->type != GDK_2BUTTON_PRESS))
-    {
-        wxCheckListBox *clb = (wxCheckListBox *)listbox;
-
-        clb->Check( sel, !clb->IsChecked(sel) );
-
-        wxCommandEvent event( wxEVT_COMMAND_CHECKLISTBOX_TOGGLED, listbox->GetId() );
-        event.SetEventObject( listbox );
-        event.SetInt( sel );
-        listbox->GetEventHandler()->ProcessEvent( event );
-    }
+    if (!g_hasDoubleClicked) return FALSE;
 
-    if (gdk_event->type == GDK_2BUTTON_PRESS)
-    {
         wxCommandEvent event( wxEVT_COMMAND_LISTBOX_DOUBLECLICKED, listbox->GetId() );
         event.SetEventObject( listbox );
 
@@ -114,7 +108,39 @@ gtk_listbox_button_press_callback( GtkWidget *widget, GdkEventButton *gdk_event,
 
         listbox->GetEventHandler()->ProcessEvent( event );
 
+    return FALSE;
+}
+
+//-----------------------------------------------------------------------------
+// "button_press_event"
+//-----------------------------------------------------------------------------
+
+static gint
+gtk_listbox_button_press_callback( GtkWidget *widget, GdkEventButton *gdk_event, wxListBox *listbox )
+{
+    if (g_isIdle) wxapp_install_idle_handler();
+
+    if (g_blockEventsOnDrag) return FALSE;
+    if (g_blockEventsOnScroll) return FALSE;
+
+    if (!listbox->m_hasVMT) return FALSE;
+
+    int sel = listbox->GetIndex( widget );
+
+    if ((listbox->m_hasCheckBoxes) && (gdk_event->x < 15) && (gdk_event->type != GDK_2BUTTON_PRESS))
+    {
+        wxCheckListBox *clb = (wxCheckListBox *)listbox;
+
+        clb->Check( sel, !clb->IsChecked(sel) );
+
+        wxCommandEvent event( wxEVT_COMMAND_CHECKLISTBOX_TOGGLED, listbox->GetId() );
+        event.SetEventObject( listbox );
+        event.SetInt( sel );
+        listbox->GetEventHandler()->ProcessEvent( event );
     }
+    
+    /* emit wxEVT_COMMAND_LISTBOX_DOUBLECLICKED later */
+    g_hasDoubleClicked = (gdk_event->type == GDK_2BUTTON_PRESS);
 
     return FALSE;
 }
@@ -130,7 +156,7 @@ gtk_listbox_key_press_callback( GtkWidget *widget, GdkEventKey *gdk_event, wxLis
 
     if (g_blockEventsOnDrag) return FALSE;
 
-    if (!listbox->HasVMT()) return FALSE;
+    if (!listbox->m_hasVMT) return FALSE;
 
     if (gdk_event->keyval != ' ') return FALSE;
 
@@ -156,7 +182,7 @@ static void gtk_listitem_select_callback( GtkWidget *WXUNUSED(widget), wxListBox
 {
     if (g_isIdle) wxapp_install_idle_handler();
 
-    if (!listbox->HasVMT()) return;
+    if (!listbox->m_hasVMT) return;
     if (g_blockEventsOnDrag) return;
 
     wxCommandEvent event(wxEVT_COMMAND_LISTBOX_SELECTED, listbox->GetId() );
@@ -269,6 +295,11 @@ bool wxListBox::Create( wxWindow *parent, wxWindowID id,
                             (GtkSignalFunc)gtk_listbox_button_press_callback,
                             (gpointer) this );
 
+        gtk_signal_connect_after( GTK_OBJECT(list_item),
+                            "button_release_event",
+                            (GtkSignalFunc)gtk_listbox_button_release_callback,
+                            (gpointer) this );
+
         if (m_hasCheckBoxes)
         {
             gtk_signal_connect( GTK_OBJECT(list_item),
@@ -426,6 +457,11 @@ void wxListBox::AppendCommon( const wxString &item )
                         (GtkSignalFunc)gtk_listbox_button_press_callback,
                         (gpointer) this );
 
+    gtk_signal_connect_after( GTK_OBJECT(list_item),
+                        "button_release_event",
+                        (GtkSignalFunc)gtk_listbox_button_release_callback,
+                        (gpointer) this );
+
     if (m_hasCheckBoxes)
     {
        gtk_signal_connect( GTK_OBJECT(list_item),