]> git.saurik.com Git - wxWidgets.git/blobdiff - src/gtk/dnd.cpp
wxFrame::Set/GetClientSize() uses toolbar area again,
[wxWidgets.git] / src / gtk / dnd.cpp
index 8618f4de2d5afea57f35422288749dca7aa06f13..fbd0ec5b86f7cee4c9b943c7449ef3455c7cc298 100644 (file)
@@ -54,47 +54,6 @@ extern bool g_blockEventsOnDrag;
 // standard icons
 //----------------------------------------------------------------------------
 
-/* XPM */
-static char * gv_xpm[] = {
-"40 34 3 1",
-"         s None c None",
-".        c black",
-"X        c white",
-"                                        ",
-"                                        ",
-"                  ......                ",
-"                ..XXXXXX..              ",
-"               .XXXXXXXXXX.             ",
-"              .XXXXXXXXXXXX.            ",
-"              .XXXXXXXXXXXX.            ",
-"             .XXXXXXXXXXXXXX.           ",
-"             .XXX..XXXX..XXX.           ",
-"          ....XX....XX....XX.           ",
-"         .XXX.XXX..XXXX..XXX....        ",
-"        .XXXXXXXXXXXXXXXXXXX.XXX.       ",
-"        .XXXXXXXXXXXXXXXXXXXXXXXX.      ",
-"        .XXXXXXXXXXXXXXXXXXXXXXXX.      ",
-"         ..XXXXXXXXXXXXXXXXXXXXXX.      ",
-"           .XXXXXXXXXXXXXXXXXX...       ",
-"           ..XXXXXXXXXXXXXXXX.          ",
-"            .XXXXXXXXXXXXXXXX.          ",
-"            .XXXXXXXXXXXXXXXX.          ",
-"            .XXXXXXXXXXXXXXXXX.         ",
-"            .XXXXXXXXXXXXXXXXX.         ",
-"            .XXXXXXXXXXXXXXXXXX.        ",
-"            .XXXXXXXXXXXXXXXXXXX.       ",
-"           .XXXXXXXXXXXXXXXXXXXXX.      ",
-"           .XXXXXXXXXXXXXX.XXXXXXX.     ",
-"          .XXXXXXX.XXXXXXX.XXXXXXX.     ",
-"         .XXXXXXXX.XXXXXXX.XXXXXXX.     ",
-"         .XXXXXXX...XXXXX...XXXXX.      ",
-"         .XXXXXXX.  .....   .....       ",
-"         ..XXXX..                       ",
-"           ....                         ",
-"                                        ",
-"                                        ",
-"                                        "};
-
 /* XPM */
 static char * page_xpm[] = {
 /* width height ncolors chars_per_pixel */
@@ -188,8 +147,11 @@ static gboolean target_drag_motion( GtkWidget *WXUNUSED(widget),
        this is only valid for the duration of this call */
     drop_target->SetDragContext( context );
 
-    wxDragResult result = wxDragMove;
-    if (context->suggested_action == GDK_ACTION_COPY) result = wxDragCopy;
+    wxDragResult result;
+    if ( context->suggested_action == GDK_ACTION_COPY )
+        result = wxDragCopy;
+    else
+        result = wxDragMove;
 
     if (drop_target->m_firstMotion)
     {
@@ -202,12 +164,16 @@ static gboolean target_drag_motion( GtkWidget *WXUNUSED(widget),
         result = drop_target->OnDragOver( x, y, result );
     }
 
-    bool ret = result != wxDragNone;
+    bool ret = wxIsDragResultOk( result );
     if (ret)
     {
-        GdkDragAction action = GDK_ACTION_MOVE;
-       if (result == wxDragCopy) action == GDK_ACTION_COPY;
-        gdk_drag_status( context, context->suggested_action, time );
+        GdkDragAction action;
+        if (result == wxDragCopy)
+            action = GDK_ACTION_COPY;
+        else
+            action = GDK_ACTION_MOVE;
+
+        gdk_drag_status( context, action, time );
     }
 
     /* after this, invalidate the drop_target's GdkDragContext */
@@ -265,7 +231,7 @@ static gboolean target_drag_drop( GtkWidget *widget,
     if (!ret)
     {
         wxLogDebug( wxT( "Drop target: OnDrop returned TRUE") );
-        
+
         /* cancel the whole thing */
         gtk_drag_finish( context,
                           FALSE,        /* no success */
@@ -275,7 +241,7 @@ static gboolean target_drag_drop( GtkWidget *widget,
     else
     {
         wxLogDebug( wxT( "Drop target: OnDrop returned TRUE") );
-        
+
 #if wxUSE_THREADS
         /* disable GUI threads */
         wxapp_uninstall_thread_wakeup();
@@ -283,11 +249,11 @@ static gboolean target_drag_drop( GtkWidget *widget,
 
         GdkAtom format = drop_target->GetMatchingPair();
         wxASSERT( format );
-        
+
 /*
         GdkDragAction action = GDK_ACTION_MOVE;
-       if (result == wxDragCopy) action == GDK_ACTION_COPY;
-       context->action = action;
+        if (result == wxDragCopy) action == GDK_ACTION_COPY;
+        context->action = action;
 */
         /* this should trigger an "drag_data_received" event */
         gtk_drag_get_data( widget,
@@ -331,7 +297,6 @@ static void target_drag_data_received( GtkWidget *WXUNUSED(widget),
     /* Owen Taylor: "call gtk_drag_finish() with
        success == TRUE" */
 
-
     if ((data->length <= 0) || (data->format != 8))
     {
         /* negative data length and non 8-bit data format
@@ -342,22 +307,28 @@ static void target_drag_data_received( GtkWidget *WXUNUSED(widget),
     }
 
     wxLogDebug( wxT( "Drop target: data received event") );
-    
+
     /* inform the wxDropTarget about the current GtkSelectionData.
        this is only valid for the duration of this call */
     drop_target->SetDragData( data );
 
-    if (drop_target->OnData( x, y ))
+    wxDragResult result;
+    if ( context->suggested_action == GDK_ACTION_COPY )
+        result = wxDragCopy;
+    else
+        result = wxDragMove;
+
+    if ( wxIsDragResultOk( drop_target->OnData( x, y, result ) ) )
     {
         wxLogDebug( wxT( "Drop target: OnData returned TRUE") );
-        
+
         /* tell GTK that data transfer was successfull */
         gtk_drag_finish( context, TRUE, FALSE, time );
     }
     else
     {
         wxLogDebug( wxT( "Drop target: OnData returned FALSE") );
-        
+
         /* tell GTK that data transfer was not successfull */
         gtk_drag_finish( context, FALSE, FALSE, time );
     }
@@ -370,8 +341,8 @@ static void target_drag_data_received( GtkWidget *WXUNUSED(widget),
 // wxDropTarget
 //----------------------------------------------------------------------------
 
-wxDropTarget::wxDropTarget( wxDataObject *data ) 
-  : wxDropTargetBase( data )
+wxDropTarget::wxDropTarget( wxDataObject *data )
+            : wxDropTargetBase( data )
 {
     m_firstMotion = TRUE;
     m_dragContext = (GdkDragContext*) NULL;
@@ -384,7 +355,7 @@ wxDragResult wxDropTarget::OnDragOver( wxCoord WXUNUSED(x),
                                        wxCoord WXUNUSED(y),
                                        wxDragResult def )
 {
-    // GetMatchingPair() checks for m_dataObject too, no need to do it here 
+    // GetMatchingPair() checks for m_dataObject too, no need to do it here
 
     // disable the debug message from GetMatchingPair() - there are too many
     // of them otherwise
@@ -399,27 +370,28 @@ bool wxDropTarget::OnDrop( wxCoord WXUNUSED(x), wxCoord WXUNUSED(y) )
 {
     if (!m_dataObject)
         return FALSE;
-        
+
     return (GetMatchingPair() != (GdkAtom) 0);
 }
 
-bool wxDropTarget::OnData( wxCoord WXUNUSED(x), wxCoord WXUNUSED(y) )
+wxDragResult wxDropTarget::OnData( wxCoord WXUNUSED(x), wxCoord WXUNUSED(y),
+                                   wxDragResult def )
 {
     if (!m_dataObject)
-        return FALSE;
-        
+        return wxDragNone;
+
     if (GetMatchingPair() == (GdkAtom) 0)
-        return FALSE;
-        
-    return GetData();
+        return wxDragNone;
+
+    return GetData() ? def : wxDragNone;
 }
 
 GdkAtom wxDropTarget::GetMatchingPair()
 {
-    if (!m_dataObject) 
+    if (!m_dataObject)
         return (GdkAtom) 0;
 
-    if (!m_dragContext) 
+    if (!m_dragContext)
         return (GdkAtom) 0;
 
     GList *child = m_dragContext->targets;
@@ -429,8 +401,7 @@ GdkAtom wxDropTarget::GetMatchingPair()
         wxDataFormat format( formatAtom );
 
 #ifdef __WXDEBUG__
-        char *name = gdk_atom_name( formatAtom );
-        wxLogDebug("Drop target: drag has format: %s", name ? name : "unnamed");
+        wxLogDebug("Drop target: drag has format: %s", format.GetId().c_str() );
 #endif // Debug
 
         if (m_dataObject->IsSupportedFormat( format ))
@@ -444,14 +415,14 @@ GdkAtom wxDropTarget::GetMatchingPair()
 
 bool wxDropTarget::GetData()
 {
-    if (!m_dragData) 
+    if (!m_dragData)
         return FALSE;
 
-    if (!m_dataObject) 
+    if (!m_dataObject)
         return FALSE;
 
     wxDataFormat dragFormat( m_dragData->target );
-    
+
     if (!m_dataObject->IsSupportedFormat( dragFormat ))
         return FALSE;
 
@@ -526,41 +497,6 @@ void wxDropTarget::RegisterWidget( GtkWidget *widget )
                       GTK_SIGNAL_FUNC(target_drag_data_received), (gpointer) this );
 }
 
-// ----------------------------------------------------------------------------
-// wxTextDropTarget
-// ----------------------------------------------------------------------------
-
-wxTextDropTarget::wxTextDropTarget()
-                : wxDropTarget(new wxTextDataObject)
-{
-}
-
-bool wxTextDropTarget::OnData(wxCoord x, wxCoord y)
-{
-    if ( !GetData() )
-        return FALSE;
-
-    return OnDropText(x, y, ((wxTextDataObject *)m_dataObject)->GetText());
-}
-
-// ----------------------------------------------------------------------------
-// wxFileDropTarget
-// ----------------------------------------------------------------------------
-
-wxFileDropTarget::wxFileDropTarget()
-                : wxDropTarget(new wxFileDataObject)
-{
-}
-
-bool wxFileDropTarget::OnData(wxCoord x, wxCoord y)
-{
-    if ( !GetData() )
-        return FALSE;
-
-    return OnDropFiles(x, y,
-                       ((wxFileDataObject *)m_dataObject)->GetFilenames());
-}
-
 //----------------------------------------------------------------------------
 // "drag_data_get"
 //----------------------------------------------------------------------------
@@ -576,13 +512,13 @@ source_drag_data_get  (GtkWidget          *WXUNUSED(widget),
     if (g_isIdle) wxapp_install_idle_handler();
 
     wxDataFormat format( selection_data->target );
-    
+
     wxLogDebug( wxT("Drop source: format requested: %s"), format.GetId().c_str() );
 
     drop_source->m_retValue = wxDragCancel;
-    
+
     wxDataObject *data = drop_source->GetDataObject();
-    
+
     if (!data)
     {
         wxLogDebug( wxT("Drop source: no data object") );
@@ -600,13 +536,13 @@ source_drag_data_get  (GtkWidget          *WXUNUSED(widget),
         wxLogDebug( wxT("Drop source: empty data") );
         return;
     }
-    
+
     size_t size = data->GetDataSize(format);
 
 //  printf( "data size: %d.\n", (int)data_size );
 
     guchar *d = new guchar[size];
-    
+
     if (!data->GetDataHere( format, (void*)d ))
     {
         delete[] d;
@@ -630,7 +566,7 @@ source_drag_data_get  (GtkWidget          *WXUNUSED(widget),
 #endif
 
     delete[] d;
-    
+
     /* so far only copy, no moves. TODO. */
     drop_source->m_retValue = wxDragCopy;
 }
@@ -678,49 +614,62 @@ static void source_drag_end( GtkWidget          *WXUNUSED(widget),
     drop_source->m_waiting = FALSE;
 }
 
+//-----------------------------------------------------------------------------
+// "configure_event" from m_iconWindow
+//-----------------------------------------------------------------------------
+
+static gint
+gtk_dnd_window_configure_callback( GtkWidget *WXUNUSED(widget), GdkEventConfigure *WXUNUSED(event), wxDropSource *source )
+{
+    if (g_isIdle)
+        wxapp_install_idle_handler();
+
+    wxDragResult action = wxDragNone;
+    if (source->m_dragContext->action == GDK_ACTION_COPY) action = wxDragCopy;
+    if (source->m_dragContext->action == GDK_ACTION_MOVE) action = wxDragMove;
+
+    source->GiveFeedback( action, FALSE );
+
+    return 0;
+}
+
 //---------------------------------------------------------------------------
 // wxDropSource
 //---------------------------------------------------------------------------
 
-wxDropSource::wxDropSource( wxWindow *win, const wxIcon &go, const wxIcon &stop )
+wxDropSource::wxDropSource( wxWindow *win, const wxIcon &icon )
 {
     g_blockEventsOnDrag = TRUE;
     m_waiting = TRUE;
 
+    m_iconWindow = (GtkWidget*) NULL;
+
     m_window = win;
     m_widget = win->m_widget;
     if (win->m_wxwindow) m_widget = win->m_wxwindow;
 
     m_retValue = wxDragCancel;
 
-    m_defaultCursor = wxCursor( wxCURSOR_NO_ENTRY );
-    m_goaheadCursor = wxCursor( wxCURSOR_HAND );
-
-    m_goIcon = go;
-    if (wxNullIcon == go) m_goIcon = wxIcon( page_xpm );
-    m_stopIcon = stop;
-    if (wxNullIcon == stop) m_stopIcon = wxIcon( gv_xpm );
+    m_icon = icon;
+    if (wxNullIcon == icon) m_icon = wxIcon( page_xpm );
 }
 
-wxDropSource::wxDropSource( wxDataObject& data, wxWindow *win,
-                            const wxIcon &go, const wxIcon &stop )
+wxDropSource::wxDropSource( wxDataObject& data, wxWindow *win, const wxIcon &icon )
 {
     m_waiting = TRUE;
-    
+
     SetData( data );
 
+    m_iconWindow = (GtkWidget*) NULL;
+
     m_window = win;
     m_widget = win->m_widget;
     if (win->m_wxwindow) m_widget = win->m_wxwindow;
-    m_retValue = wxDragCancel;
 
-    m_defaultCursor = wxCursor( wxCURSOR_NO_ENTRY );
-    m_goaheadCursor = wxCursor( wxCURSOR_HAND );
+    m_retValue = wxDragCancel;
 
-    m_goIcon = go;
-    if (wxNullIcon == go) m_goIcon = wxIcon( page_xpm );
-    m_stopIcon = stop;
-    if (wxNullIcon == stop) m_stopIcon = wxIcon( gv_xpm );
+    m_icon = icon;
+    if (wxNullIcon == icon) m_icon = wxIcon( page_xpm );
 }
 
 wxDropSource::~wxDropSource()
@@ -728,16 +677,50 @@ wxDropSource::~wxDropSource()
     g_blockEventsOnDrag = FALSE;
 }
 
+void wxDropSource::PrepareIcon( int hot_x, int hot_y, GdkDragContext *context )
+{
+    GdkBitmap *mask = (GdkBitmap *) NULL;
+    if (m_icon.GetMask()) mask = m_icon.GetMask()->GetBitmap();
+    GdkPixmap *pixmap = m_icon.GetPixmap();
+
+    gint width,height;
+    gdk_window_get_size (pixmap, &width, &height);
+
+    GdkColormap *colormap = gtk_widget_get_colormap( m_widget );
+    gtk_widget_push_visual (gdk_colormap_get_visual (colormap));
+    gtk_widget_push_colormap (colormap);
+
+    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 (GTK_WIDGET (m_iconWindow), TRUE);
+
+    gtk_widget_pop_visual ();
+    gtk_widget_pop_colormap ();
+
+    gtk_widget_set_usize (m_iconWindow, width, height);
+    gtk_widget_realize (m_iconWindow);
+
+    gtk_signal_connect( GTK_OBJECT(m_iconWindow), "configure_event",
+        GTK_SIGNAL_FUNC(gtk_dnd_window_configure_callback), (gpointer)this );
+
+    gdk_window_set_back_pixmap (m_iconWindow->window, pixmap, FALSE);
+
+    if (mask)
+        gtk_widget_shape_combine_mask (m_iconWindow, mask, 0, 0);
+
+    gtk_drag_set_icon_widget( context, m_iconWindow, hot_x, hot_y );
+}
+
 wxDragResult wxDropSource::DoDragDrop( bool WXUNUSED(bAllowMove) )
 {
     wxASSERT_MSG( m_data, wxT("wxDragSource: no data") );
 
-    if (!m_data) 
+    if (!m_data)
         return (wxDragResult) wxDragNone;
 
-    if (m_data->GetFormatCount() == 0) 
+    if (m_data->GetFormatCount() == 0)
         return (wxDragResult) wxDragNone;
-        
+
     g_blockEventsOnDrag = TRUE;
 
     RegisterWindow();
@@ -745,7 +728,7 @@ wxDragResult wxDropSource::DoDragDrop( bool WXUNUSED(bAllowMove) )
     m_waiting = TRUE;
 
     GtkTargetList *target_list = gtk_target_list_new( (GtkTargetEntry*) NULL, 0 );
-    
+
     wxDataFormat *array = new wxDataFormat[ m_data->GetFormatCount() ];
     m_data->GetAllFormats( array );
     for (size_t i = 0; i < m_data->GetFormatCount(); i++)
@@ -783,21 +766,13 @@ wxDragResult wxDropSource::DoDragDrop( bool WXUNUSED(bAllowMove) )
     {
         GdkDragContext *context = gtk_drag_begin( m_widget,
                                               target_list,
-                                              GDK_ACTION_COPY,
+                                              (GdkDragAction)(GDK_ACTION_COPY|GDK_ACTION_MOVE),
                                               button_number,  /* number of mouse button which started drag */
                                               (GdkEvent*) &event );
 
-        wxMask *mask = m_goIcon.GetMask();
-        GdkBitmap *bm = (GdkBitmap *) NULL;
-        if (mask) bm = mask->GetBitmap();
-        GdkPixmap *pm = m_goIcon.GetPixmap();
-
-        gtk_drag_set_icon_pixmap( context,
-                                  gtk_widget_get_colormap( m_widget ),
-                                  pm,
-                                  bm,
-                                  0,
-                                  0 );
+        m_dragContext = context;
+
+        PrepareIcon( 0, 0, context );
 
         while (m_waiting) gtk_main_iteration();;
     }