Add doc for wxGraphicsContext.Create(), which is a lightweight context with no target...

[wxWidgets.git] / src / gtk / dnd.cpp

diff --git a/src/gtk/dnd.cpp b/src/gtk/dnd.cpp
index 08adfeb885df3d8cf5056a8672664480bd23d4df..4679fd0bbd055932c9a1755695e5b796ab633b4b 100644 (file)
--- a/src/gtk/dnd.cpp
+++ b/src/gtk/dnd.cpp
@@ -26,6 +26,7 @@
 #include "wx/scopeguard.h"
 
 #include <gtk/gtk.h>
 #include "wx/scopeguard.h"
 
 #include <gtk/gtk.h>

+#include "wx/gtk/private/gtk2-compat.h"

 
 //----------------------------------------------------------------------------
 // global data
 
 //----------------------------------------------------------------------------
 // global data


@@ -239,8 +240,8 @@ static gboolean target_drag_motion( GtkWidget *WXUNUSED(widget),
         result_action = GDK_ACTION_MOVE;
 
     // is result action actually supported
         result_action = GDK_ACTION_MOVE;
 
     // is result action actually supported

-    bool ret ((result_action != GDK_ACTION_DEFAULT) &&
-              (context->actions & result_action));
+    bool ret = (result_action != GDK_ACTION_DEFAULT) &&
+               (gdk_drag_context_get_actions(context) & result_action);

 
     if (ret)
         gdk_drag_status( context, result_action, time );
 
     if (ret)
         gdk_drag_status( context, result_action, time );


@@ -363,7 +364,7 @@ static void target_drag_data_received( GtkWidget *WXUNUSED(widget),
     /* Owen Taylor: "call gtk_drag_finish() with
        success == TRUE" */
 
     /* Owen Taylor: "call gtk_drag_finish() with
        success == TRUE" */
 

-    if ((data->length <= 0) || (data->format != 8))
+    if (gtk_selection_data_get_length(data) <= 0 || gtk_selection_data_get_format(data) != 8)

     {
         /* negative data length and non 8-bit data format
            qualifies for junk */
     {
         /* negative data length and non 8-bit data format
            qualifies for junk */


@@ -378,7 +379,7 @@ static void target_drag_data_received( GtkWidget *WXUNUSED(widget),
        this is only valid for the duration of this call */
     drop_target->GTKSetDragData( data );
 
        this is only valid for the duration of this call */
     drop_target->GTKSetDragData( data );
 

-    wxDragResult result = ConvertFromGTK(context->action);
+    wxDragResult result = ConvertFromGTK(gdk_drag_context_get_selected_action(context));

 
     if ( wxIsDragResultOk( drop_target->OnData( x, y, result ) ) )
     {
 
     if ( wxIsDragResultOk( drop_target->OnData( x, y, result ) ) )
     {


@@ -442,11 +443,12 @@ wxDragResult wxDropTarget::GTKFigureOutSuggestedAction()
     // only good if we don't have our own preferences - but also the actions
     // field
     wxDragResult suggested_action = wxDragNone;
     // only good if we don't have our own preferences - but also the actions
     // field
     wxDragResult suggested_action = wxDragNone;

+    const GdkDragAction actions = gdk_drag_context_get_actions(m_dragContext);

     if (GetDefaultAction() == wxDragNone)
     {
         // use default action set by wxDropSource::DoDragDrop()
         if ( (gs_flagsForDrag & wxDrag_DefaultMove) == wxDrag_DefaultMove &&
     if (GetDefaultAction() == wxDragNone)
     {
         // use default action set by wxDropSource::DoDragDrop()
         if ( (gs_flagsForDrag & wxDrag_DefaultMove) == wxDrag_DefaultMove &&

-            (m_dragContext->actions & GDK_ACTION_MOVE ) )
+            (actions & GDK_ACTION_MOVE))

         {
             // move is requested by the program and allowed by GTK+ - do it, even
             // though suggested_action may be currently wxDragCopy
         {
             // move is requested by the program and allowed by GTK+ - do it, even
             // though suggested_action may be currently wxDragCopy


@@ -454,7 +456,7 @@ wxDragResult wxDropTarget::GTKFigureOutSuggestedAction()
         }
         else // use whatever GTK+ says we should
         {
         }
         else // use whatever GTK+ says we should
         {

-            suggested_action = ConvertFromGTK(m_dragContext->suggested_action);
+            suggested_action = ConvertFromGTK(gdk_drag_context_get_suggested_action(m_dragContext));

 
 #if 0
             // RR: I don't understand the code below: if the drag comes from
 
 #if 0
             // RR: I don't understand the code below: if the drag comes from


@@ -471,18 +473,18 @@ wxDragResult wxDropTarget::GTKFigureOutSuggestedAction()
         }
     }
     else if (GetDefaultAction() == wxDragMove &&
         }
     }
     else if (GetDefaultAction() == wxDragMove &&

-            (m_dragContext->actions & GDK_ACTION_MOVE))
+            (actions & GDK_ACTION_MOVE))

     {
 
         suggested_action = wxDragMove;
     }
     else
     {
     {
 
         suggested_action = wxDragMove;
     }
     else
     {

-        if (m_dragContext->actions & GDK_ACTION_COPY)
+        if (actions & GDK_ACTION_COPY)

             suggested_action = wxDragCopy;
             suggested_action = wxDragCopy;

-        else if (m_dragContext->actions & GDK_ACTION_MOVE)
+        else if (actions & GDK_ACTION_MOVE)

             suggested_action = wxDragMove;
             suggested_action = wxDragMove;

-        else if (m_dragContext->actions & GDK_ACTION_LINK)
+        else if (actions & GDK_ACTION_LINK)

             suggested_action = wxDragLink;
         else
             suggested_action = wxDragNone;
             suggested_action = wxDragLink;
         else
             suggested_action = wxDragNone;


@@ -504,7 +506,7 @@ GdkAtom wxDropTarget::GTKGetMatchingPair(bool quiet)
     if (!m_dragContext)
         return (GdkAtom) 0;
 
     if (!m_dragContext)
         return (GdkAtom) 0;
 

-    GList *child = m_dragContext->targets;
+    const GList* child = gdk_drag_context_list_targets(m_dragContext);

     while (child)
     {
         GdkAtom formatAtom = (GdkAtom)(child->data);
     while (child)
     {
         GdkAtom formatAtom = (GdkAtom)(child->data);


@@ -533,12 +535,14 @@ bool wxDropTarget::GetData()
     if (!m_dataObject)
         return false;
 
     if (!m_dataObject)
         return false;
 

-    wxDataFormat dragFormat( m_dragData->target );
+    wxDataFormat dragFormat(gtk_selection_data_get_target(m_dragData));

 
     if (!m_dataObject->IsSupportedFormat( dragFormat ))
         return false;
 
 
     if (!m_dataObject->IsSupportedFormat( dragFormat ))
         return false;
 

-    m_dataObject->SetData( dragFormat, (size_t)m_dragData->length, (const void*)m_dragData->data );
+    m_dataObject->SetData(dragFormat,
+        (size_t)gtk_selection_data_get_length(m_dragData),
+        (const void*)gtk_selection_data_get_data(m_dragData));

 
     return true;
 }
 
     return true;
 }


@@ -605,7 +609,7 @@ source_drag_data_get  (GtkWidget          *WXUNUSED(widget),
                        guint               WXUNUSED(time),
                        wxDropSource       *drop_source )
 {
                        guint               WXUNUSED(time),
                        wxDropSource       *drop_source )
 {

-    wxDataFormat format( selection_data->target );
+    wxDataFormat format(gtk_selection_data_get_target(selection_data));

 
     wxLogTrace(TRACE_DND, wxT("Drop source: format requested: %s"),
                format.GetId().c_str());
 
     wxLogTrace(TRACE_DND, wxT("Drop source: format requested: %s"),
                format.GetId().c_str());


@@ -644,10 +648,10 @@ source_drag_data_get  (GtkWidget          *WXUNUSED(widget),
         return;
     }
 
         return;
     }
 

-    drop_source->m_retValue = ConvertFromGTK( context->action );
+    drop_source->m_retValue = ConvertFromGTK(gdk_drag_context_get_selected_action(context));

 
     gtk_selection_data_set( selection_data,
 
     gtk_selection_data_set( selection_data,

-                            selection_data->target,
+                            gtk_selection_data_get_target(selection_data),

                             8,   // 8-bit
                             d,
                             size );
                             8,   // 8-bit
                             d,
                             size );


@@ -677,7 +681,7 @@ extern "C" {
 static gint
 gtk_dnd_window_configure_callback( GtkWidget *WXUNUSED(widget), GdkEventConfigure *WXUNUSED(event), wxDropSource *source )
 {
 static gint
 gtk_dnd_window_configure_callback( GtkWidget *WXUNUSED(widget), GdkEventConfigure *WXUNUSED(event), wxDropSource *source )
 {

-    source->GiveFeedback( ConvertFromGTK(source->m_dragContext->action) );
+    source->GiveFeedback(ConvertFromGTK(gdk_drag_context_get_selected_action(source->m_dragContext)));

 
     return 0;
 }
 
     return 0;
 }


@@ -734,11 +738,11 @@ void wxDropSource::SetIcons(const wxIcon &iconCopy,
     m_iconMove = iconMove;
     m_iconNone = iconNone;
 
     m_iconMove = iconMove;
     m_iconNone = iconNone;
 

-    if ( !m_iconCopy.Ok() )
+    if ( !m_iconCopy.IsOk() )

         m_iconCopy = wxIcon(page_xpm);
         m_iconCopy = wxIcon(page_xpm);

-    if ( !m_iconMove.Ok() )
+    if ( !m_iconMove.IsOk() )

         m_iconMove = m_iconCopy;
         m_iconMove = m_iconCopy;

-    if ( !m_iconNone.Ok() )
+    if ( !m_iconNone.IsOk() )

         m_iconNone = m_iconCopy;
 }
 
         m_iconNone = m_iconCopy;
 }
 


@@ -757,36 +761,56 @@ void wxDropSource::PrepareIcon( int action, GdkDragContext *context )
     else
         icon = &m_iconNone;
 
     else
         icon = &m_iconNone;
 

+#ifndef __WXGTK3__

     GdkBitmap *mask;
     if ( icon->GetMask() )
     GdkBitmap *mask;
     if ( icon->GetMask() )

-        mask = icon->GetMask()->GetBitmap();
+        mask = *icon->GetMask();

     else
         mask = NULL;
 
     GdkPixmap *pixmap = icon->GetPixmap();
 
     else
         mask = NULL;
 
     GdkPixmap *pixmap = icon->GetPixmap();
 

-    gint width,height;
-    gdk_drawable_get_size (pixmap, &width, &height);
-

     GdkColormap *colormap = gtk_widget_get_colormap( m_widget );
     gtk_widget_push_colormap (colormap);
     GdkColormap *colormap = gtk_widget_get_colormap( m_widget );
     gtk_widget_push_colormap (colormap);

+#endif

 
     m_iconWindow = gtk_window_new (GTK_WINDOW_POPUP);
     gtk_widget_set_events (m_iconWindow, GDK_BUTTON_PRESS_MASK | GDK_BUTTON_RELEASE_MASK);
     gtk_widget_set_app_paintable (m_iconWindow, TRUE);
 
 
     m_iconWindow = gtk_window_new (GTK_WINDOW_POPUP);
     gtk_widget_set_events (m_iconWindow, GDK_BUTTON_PRESS_MASK | GDK_BUTTON_RELEASE_MASK);
     gtk_widget_set_app_paintable (m_iconWindow, TRUE);
 

+#ifdef __WXGTK3__
+    gtk_widget_set_visual(m_iconWindow, gtk_widget_get_visual(m_widget));
+#else

     gtk_widget_pop_colormap ();
     gtk_widget_pop_colormap ();

+#endif

 
 

-    gtk_widget_set_size_request (m_iconWindow, width, height);
+    gtk_widget_set_size_request (m_iconWindow, icon->GetWidth(), icon->GetHeight());

     gtk_widget_realize (m_iconWindow);
 
     g_signal_connect (m_iconWindow, "configure_event",
                       G_CALLBACK (gtk_dnd_window_configure_callback), this);
 
     gtk_widget_realize (m_iconWindow);
 
     g_signal_connect (m_iconWindow, "configure_event",
                       G_CALLBACK (gtk_dnd_window_configure_callback), this);
 

-    gdk_window_set_back_pixmap (m_iconWindow->window, pixmap, FALSE);
+#ifdef __WXGTK3__
+    cairo_t* cr = gdk_cairo_create(gtk_widget_get_window(m_iconWindow));
+    icon->SetSourceSurface(cr, 0, 0);
+    cairo_pattern_t* pattern = cairo_get_source(cr);
+    gdk_window_set_background_pattern(gtk_widget_get_window(m_iconWindow), pattern);
+    cairo_destroy(cr);
+    cairo_surface_t* mask = NULL;
+    if (icon->GetMask())
+        mask = *icon->GetMask();
+    if (mask)
+    {
+        cairo_region_t* region = gdk_cairo_region_create_from_surface(mask);
+        gtk_widget_shape_combine_region(m_iconWindow, region);
+        cairo_region_destroy(region);
+    }
+#else
+    gdk_window_set_back_pixmap(gtk_widget_get_window(m_iconWindow), pixmap, false);

 
     if (mask)
         gtk_widget_shape_combine_mask (m_iconWindow, mask, 0, 0);
 
     if (mask)
         gtk_widget_shape_combine_mask (m_iconWindow, mask, 0, 0);

+#endif

 
     gtk_drag_set_icon_widget( context, m_iconWindow, 0, 0 );
 }
 
     gtk_drag_set_icon_widget( context, m_iconWindow, 0, 0 );
 }