Drag works.
Drop works, Drag'n'Drop doesn't work. git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@2147 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
This commit is contained in:
Robert Roebling
parent
fde7d98ecd
commit
4ba47b4019
@ -94,6 +94,8 @@ public:
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wxIcon m_goIcon;
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wxIcon m_stopIcon;
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bool m_waiting;
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};
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#include "gtk/gtk.h"
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@ -94,6 +94,8 @@ public:
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wxIcon m_goIcon;
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wxIcon m_stopIcon;
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bool m_waiting;
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};
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#include "gtk/gtk.h"
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219
src/gtk/dnd.cpp
219
src/gtk/dnd.cpp
@ -128,6 +128,7 @@ static char * page_xpm[] = {
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#include "gtk/gtkdnd.h"
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#include "gtk/gtkselection.h"
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// ----------------------------------------------------------------------------
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// "drag_leave"
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// ----------------------------------------------------------------------------
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@ -211,6 +212,8 @@ static gboolean target_drag_drop( GtkWidget *widget,
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the drop, call gtk_drag_finish() with success == FALSE
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otherwise call gtk_drag_data_get()" */
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// printf( "drop.\n" );
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/* this seems to make a difference between not accepting
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due to wrong target area and due to wrong format. let
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us hope that this is not required.. */
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@ -274,6 +277,8 @@ static void target_drag_data_received( GtkWidget *WXUNUSED(widget),
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/* Owen Taylor: "call gtk_drag_finish() with
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success == TRUE" */
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// printf( "data received.\n" );
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/* strangely, we get a "drag_data_received" event even when
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we don't request them. this checks this. */
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if (!drop_target->m_currentDataObject) return;
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@ -317,9 +322,9 @@ static void target_drag_data_received( GtkWidget *WXUNUSED(widget),
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drop_target->m_waiting = FALSE;
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}
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// ----------------------------------------------------------------------------
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//----------------------------------------------------------------------------
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// wxDropTarget
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// ----------------------------------------------------------------------------
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//----------------------------------------------------------------------------
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wxDropTarget::wxDropTarget()
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{
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@ -362,8 +367,8 @@ bool wxDropTarget::IsSupported( wxDataFormat format )
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{
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GdkAtom formatAtom = (GdkAtom) GPOINTER_TO_INT(child->data);
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/* char *name = gdk_atom_name( formatAtom );
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if (name) printf( "Format available: %s.\n", name ); */
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// char *name = gdk_atom_name( formatAtom );
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// if (name) printf( "Format available: %s.\n", name );
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if (formatAtom == format.GetAtom()) return TRUE;
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child = child->next;
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@ -387,8 +392,13 @@ bool wxDropTarget::GetData( wxDataObject *data )
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m_dragTime );
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/* wait for the "drag_data_received" event */
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// printf( "pre wait.\n" );
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m_waiting = TRUE;
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while (m_waiting) gtk_main_iteration();
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while (m_waiting) wxYield();
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// printf( "post wait.\n" );
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m_currentDataObject = (wxDataObject*) NULL;
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@ -542,14 +552,99 @@ void wxFileDropTarget::OnData( int x, int y )
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free( files );
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}
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//-------------------------------------------------------------------------
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// wxDropSource
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//-------------------------------------------------------------------------
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//----------------------------------------------------------------------------
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// "drag_data_get"
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//----------------------------------------------------------------------------
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static void
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source_drag_data_get (GtkWidget *WXUNUSED(widget),
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GdkDragContext *context,
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GtkSelectionData *selection_data,
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guint WXUNUSED(info),
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guint WXUNUSED(time),
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wxDropSource *drop_source )
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{
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char *name = gdk_atom_name( selection_data->target );
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if (name) printf( "Format requested: %s.\n", name );
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wxNode *node = drop_source->m_data->m_dataObjects.First();
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while (node)
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{
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wxDataObject *data_object = (wxDataObject*) node->Data();
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if (data_object->GetFormat().GetAtom() == selection_data->target)
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{
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size_t data_size = data_object->GetSize();
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if (data_size > 0)
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{
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guchar *buffer = new guchar[data_size];
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data_object->WriteData( buffer );
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gtk_selection_data_set( selection_data,
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selection_data->target,
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8, /* 8-bit */
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buffer,
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data_size );
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free( buffer );
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/* so far only copy, no moves. TODO. */
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drop_source->m_retValue = wxDragCopy;
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return;
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}
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}
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node = node->Next();
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}
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drop_source->m_retValue = wxDragCancel;
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}
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//----------------------------------------------------------------------------
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// "drag_data_delete"
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//----------------------------------------------------------------------------
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static void source_drag_data_delete( GtkWidget *WXUNUSED(widget),
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GdkDragContext *WXUNUSED(context),
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wxDropSource *drop_source )
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{
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// printf( "Delete the data!\n" );
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drop_source->m_retValue = wxDragMove;
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}
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//----------------------------------------------------------------------------
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// "drag_begin"
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//----------------------------------------------------------------------------
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static void source_drag_begin( GtkWidget *WXUNUSED(widget),
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GdkDragContext *WXUNUSED(context),
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wxDropSource *WXUNUSED(drop_source) )
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{
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// printf( "drag_begin.\n" );
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}
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//----------------------------------------------------------------------------
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// "drag_end"
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//----------------------------------------------------------------------------
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static void source_drag_end( GtkWidget *WXUNUSED(widget),
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GdkDragContext *WXUNUSED(context),
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wxDropSource *drop_source )
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{
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// printf( "drag_end.\n" );
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drop_source->m_waiting = FALSE;
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}
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//---------------------------------------------------------------------------
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// wxDropSource
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//---------------------------------------------------------------------------
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wxDropSource::wxDropSource( wxWindow *win, const wxIcon &go, const wxIcon &stop )
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{
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g_blockEventsOnDrag = TRUE;
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m_waiting = TRUE;
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m_window = win;
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m_widget = win->m_widget;
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@ -569,7 +664,7 @@ wxDropSource::wxDropSource( wxWindow *win, const wxIcon &go, const wxIcon &stop
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wxDropSource::wxDropSource( wxDataObject *data, wxWindow *win, const wxIcon &go, const wxIcon &stop )
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{
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g_blockEventsOnDrag = TRUE;
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m_waiting = TRUE;
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m_window = win;
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m_widget = win->m_widget;
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@ -597,8 +692,6 @@ wxDropSource::wxDropSource( wxDataObject *data, wxWindow *win, const wxIcon &go,
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wxDropSource::wxDropSource( wxDataBroker *data, wxWindow *win )
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{
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g_blockEventsOnDrag = TRUE;
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m_window = win;
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m_widget = win->m_widget;
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if (win->m_wxwindow) m_widget = win->m_wxwindow;
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@ -645,53 +738,89 @@ wxDragResult wxDropSource::DoDragDrop( bool WXUNUSED(bAllowMove) )
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if (!m_data) return (wxDragResult) wxDragNone;
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static GtkWidget *drag_icon = (GtkWidget*) NULL;
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static GtkWidget *drop_icon = (GtkWidget*) NULL;
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g_blockEventsOnDrag = TRUE;
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GdkPoint hotspot_1 = {0,-5 };
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RegisterWindow();
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if (!drag_icon)
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m_waiting = TRUE;
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GtkTargetList *target_list = gtk_target_list_new( (GtkTargetEntry*) NULL, 0 );
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gtk_target_list_add( target_list, gdk_atom_intern( "STRING", FALSE ), 0, 0 );
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GdkEventMotion event;
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event.window = m_widget->window;
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int x = 0;
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int y = 0;
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GdkModifierType state;
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gdk_window_get_pointer( event.window, &x, &y, &state );
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event.x = x;
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event.y = y;
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event.state = state;
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/* GTK wants to know which button was pressed which caused the dragging */
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int button_number = 0;
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if (event.state & GDK_BUTTON1_MASK) button_number = 1;
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else if (event.state & GDK_BUTTON2_MASK) button_number = 2;
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else if (event.state & GDK_BUTTON3_MASK) button_number = 3;
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/* don't start dragging if no button is down */
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if (button_number)
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{
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/*
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drag_icon = shape_create_icon ( m_stopIcon,
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440, 140, 0,0, GTK_WINDOW_POPUP);
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GdkDragContext *context = gtk_drag_begin( m_widget,
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target_list,
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GDK_ACTION_COPY,
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button_number, /* number of mouse button which started drag */
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(GdkEvent*) &event );
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gtk_signal_connect (GTK_OBJECT (drag_icon), "destroy",
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GTK_SIGNAL_FUNC(gtk_widget_destroyed),
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&drag_icon);
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wxMask *mask = m_goIcon.GetMask();
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GdkBitmap *bm = (GdkBitmap *) NULL;
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if (mask) bm = mask->GetBitmap();
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GdkPixmap *pm = m_goIcon.GetPixmap();
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gtk_widget_hide (drag_icon);
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*/
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gtk_drag_set_icon_pixmap( context,
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gtk_widget_get_colormap( m_widget ),
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pm,
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bm,
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0,
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0 );
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while (m_waiting) wxYield();
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}
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GdkPoint hotspot_2 = {-5,-5};
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g_blockEventsOnDrag = FALSE;
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if (!drop_icon)
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{
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/*
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drop_icon = shape_create_icon ( m_goIcon,
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440, 140, 0,0, GTK_WINDOW_POPUP);
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UnregisterWindow();
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gtk_signal_connect (GTK_OBJECT (drop_icon), "destroy",
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GTK_SIGNAL_FUNC(gtk_widget_destroyed),
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&drop_icon);
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gtk_widget_hide (drop_icon);
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*/
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}
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return FALSE;
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return m_retValue;
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}
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void wxDropSource::RegisterWindow(void)
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{
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if (!m_data) return;
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}
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void wxDropSource::UnregisterWindow(void)
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void wxDropSource::RegisterWindow()
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{
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if (!m_widget) return;
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gtk_signal_connect( GTK_OBJECT(m_widget), "drag_data_get",
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GTK_SIGNAL_FUNC (source_drag_data_get), (gpointer) this);
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gtk_signal_connect (GTK_OBJECT(m_widget), "drag_data_delete",
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GTK_SIGNAL_FUNC (source_drag_data_delete), (gpointer) this );
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gtk_signal_connect (GTK_OBJECT(m_widget), "drag_begin",
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GTK_SIGNAL_FUNC (source_drag_begin), (gpointer) this );
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gtk_signal_connect (GTK_OBJECT(m_widget), "drag_end",
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GTK_SIGNAL_FUNC (source_drag_end), (gpointer) this );
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}
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void wxDropSource::UnregisterWindow()
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{
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if (!m_widget) return;
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gtk_signal_disconnect_by_func( GTK_OBJECT(m_widget),
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GTK_SIGNAL_FUNC(source_drag_data_get), (gpointer) this );
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gtk_signal_disconnect_by_func( GTK_OBJECT(m_widget),
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GTK_SIGNAL_FUNC(source_drag_data_delete), (gpointer) this );
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gtk_signal_disconnect_by_func( GTK_OBJECT(m_widget),
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GTK_SIGNAL_FUNC(source_drag_begin), (gpointer) this );
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gtk_signal_disconnect_by_func( GTK_OBJECT(m_widget),
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GTK_SIGNAL_FUNC(source_drag_end), (gpointer) this );
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}
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219
src/gtk1/dnd.cpp
219
src/gtk1/dnd.cpp
@ -128,6 +128,7 @@ static char * page_xpm[] = {
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#include "gtk/gtkdnd.h"
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#include "gtk/gtkselection.h"
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// ----------------------------------------------------------------------------
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// "drag_leave"
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// ----------------------------------------------------------------------------
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@ -211,6 +212,8 @@ static gboolean target_drag_drop( GtkWidget *widget,
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the drop, call gtk_drag_finish() with success == FALSE
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otherwise call gtk_drag_data_get()" */
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// printf( "drop.\n" );
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/* this seems to make a difference between not accepting
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due to wrong target area and due to wrong format. let
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us hope that this is not required.. */
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@ -274,6 +277,8 @@ static void target_drag_data_received( GtkWidget *WXUNUSED(widget),
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/* Owen Taylor: "call gtk_drag_finish() with
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success == TRUE" */
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// printf( "data received.\n" );
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/* strangely, we get a "drag_data_received" event even when
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we don't request them. this checks this. */
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if (!drop_target->m_currentDataObject) return;
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@ -317,9 +322,9 @@ static void target_drag_data_received( GtkWidget *WXUNUSED(widget),
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drop_target->m_waiting = FALSE;
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}
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// ----------------------------------------------------------------------------
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//----------------------------------------------------------------------------
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// wxDropTarget
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// ----------------------------------------------------------------------------
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//----------------------------------------------------------------------------
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wxDropTarget::wxDropTarget()
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{
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@ -362,8 +367,8 @@ bool wxDropTarget::IsSupported( wxDataFormat format )
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{
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GdkAtom formatAtom = (GdkAtom) GPOINTER_TO_INT(child->data);
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/* char *name = gdk_atom_name( formatAtom );
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if (name) printf( "Format available: %s.\n", name ); */
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// char *name = gdk_atom_name( formatAtom );
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// if (name) printf( "Format available: %s.\n", name );
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if (formatAtom == format.GetAtom()) return TRUE;
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child = child->next;
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@ -387,8 +392,13 @@ bool wxDropTarget::GetData( wxDataObject *data )
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m_dragTime );
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/* wait for the "drag_data_received" event */
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// printf( "pre wait.\n" );
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m_waiting = TRUE;
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while (m_waiting) gtk_main_iteration();
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while (m_waiting) wxYield();
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// printf( "post wait.\n" );
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m_currentDataObject = (wxDataObject*) NULL;
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@ -542,14 +552,99 @@ void wxFileDropTarget::OnData( int x, int y )
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free( files );
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}
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//-------------------------------------------------------------------------
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// wxDropSource
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//-------------------------------------------------------------------------
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//----------------------------------------------------------------------------
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// "drag_data_get"
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//----------------------------------------------------------------------------
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static void
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source_drag_data_get (GtkWidget *WXUNUSED(widget),
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GdkDragContext *context,
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GtkSelectionData *selection_data,
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guint WXUNUSED(info),
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guint WXUNUSED(time),
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wxDropSource *drop_source )
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{
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char *name = gdk_atom_name( selection_data->target );
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if (name) printf( "Format requested: %s.\n", name );
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wxNode *node = drop_source->m_data->m_dataObjects.First();
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while (node)
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{
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wxDataObject *data_object = (wxDataObject*) node->Data();
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if (data_object->GetFormat().GetAtom() == selection_data->target)
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{
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size_t data_size = data_object->GetSize();
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if (data_size > 0)
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{
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guchar *buffer = new guchar[data_size];
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data_object->WriteData( buffer );
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gtk_selection_data_set( selection_data,
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selection_data->target,
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8, /* 8-bit */
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buffer,
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data_size );
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free( buffer );
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/* so far only copy, no moves. TODO. */
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drop_source->m_retValue = wxDragCopy;
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return;
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}
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}
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node = node->Next();
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}
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drop_source->m_retValue = wxDragCancel;
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}
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//----------------------------------------------------------------------------
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// "drag_data_delete"
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//----------------------------------------------------------------------------
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static void source_drag_data_delete( GtkWidget *WXUNUSED(widget),
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GdkDragContext *WXUNUSED(context),
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wxDropSource *drop_source )
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{
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// printf( "Delete the data!\n" );
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drop_source->m_retValue = wxDragMove;
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}
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//----------------------------------------------------------------------------
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// "drag_begin"
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//----------------------------------------------------------------------------
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static void source_drag_begin( GtkWidget *WXUNUSED(widget),
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GdkDragContext *WXUNUSED(context),
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wxDropSource *WXUNUSED(drop_source) )
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{
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// printf( "drag_begin.\n" );
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}
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//----------------------------------------------------------------------------
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// "drag_end"
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//----------------------------------------------------------------------------
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static void source_drag_end( GtkWidget *WXUNUSED(widget),
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GdkDragContext *WXUNUSED(context),
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wxDropSource *drop_source )
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{
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// printf( "drag_end.\n" );
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drop_source->m_waiting = FALSE;
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}
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//---------------------------------------------------------------------------
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// wxDropSource
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//---------------------------------------------------------------------------
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wxDropSource::wxDropSource( wxWindow *win, const wxIcon &go, const wxIcon &stop )
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{
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g_blockEventsOnDrag = TRUE;
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m_waiting = TRUE;
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m_window = win;
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m_widget = win->m_widget;
|
||||
@ -569,7 +664,7 @@ wxDropSource::wxDropSource( wxWindow *win, const wxIcon &go, const wxIcon &stop
|
||||
|
||||
wxDropSource::wxDropSource( wxDataObject *data, wxWindow *win, const wxIcon &go, const wxIcon &stop )
|
||||
{
|
||||
g_blockEventsOnDrag = TRUE;
|
||||
m_waiting = TRUE;
|
||||
|
||||
m_window = win;
|
||||
m_widget = win->m_widget;
|
||||
@ -597,8 +692,6 @@ wxDropSource::wxDropSource( wxDataObject *data, wxWindow *win, const wxIcon &go,
|
||||
|
||||
wxDropSource::wxDropSource( wxDataBroker *data, wxWindow *win )
|
||||
{
|
||||
g_blockEventsOnDrag = TRUE;
|
||||
|
||||
m_window = win;
|
||||
m_widget = win->m_widget;
|
||||
if (win->m_wxwindow) m_widget = win->m_wxwindow;
|
||||
@ -645,53 +738,89 @@ wxDragResult wxDropSource::DoDragDrop( bool WXUNUSED(bAllowMove) )
|
||||
|
||||
if (!m_data) return (wxDragResult) wxDragNone;
|
||||
|
||||
static GtkWidget *drag_icon = (GtkWidget*) NULL;
|
||||
static GtkWidget *drop_icon = (GtkWidget*) NULL;
|
||||
g_blockEventsOnDrag = TRUE;
|
||||
|
||||
GdkPoint hotspot_1 = {0,-5 };
|
||||
RegisterWindow();
|
||||
|
||||
if (!drag_icon)
|
||||
m_waiting = TRUE;
|
||||
|
||||
GtkTargetList *target_list = gtk_target_list_new( (GtkTargetEntry*) NULL, 0 );
|
||||
gtk_target_list_add( target_list, gdk_atom_intern( "STRING", FALSE ), 0, 0 );
|
||||
|
||||
GdkEventMotion event;
|
||||
event.window = m_widget->window;
|
||||
int x = 0;
|
||||
int y = 0;
|
||||
GdkModifierType state;
|
||||
gdk_window_get_pointer( event.window, &x, &y, &state );
|
||||
event.x = x;
|
||||
event.y = y;
|
||||
event.state = state;
|
||||
|
||||
/* GTK wants to know which button was pressed which caused the dragging */
|
||||
int button_number = 0;
|
||||
if (event.state & GDK_BUTTON1_MASK) button_number = 1;
|
||||
else if (event.state & GDK_BUTTON2_MASK) button_number = 2;
|
||||
else if (event.state & GDK_BUTTON3_MASK) button_number = 3;
|
||||
|
||||
/* don't start dragging if no button is down */
|
||||
if (button_number)
|
||||
{
|
||||
/*
|
||||
drag_icon = shape_create_icon ( m_stopIcon,
|
||||
440, 140, 0,0, GTK_WINDOW_POPUP);
|
||||
GdkDragContext *context = gtk_drag_begin( m_widget,
|
||||
target_list,
|
||||
GDK_ACTION_COPY,
|
||||
button_number, /* number of mouse button which started drag */
|
||||
(GdkEvent*) &event );
|
||||
|
||||
gtk_signal_connect (GTK_OBJECT (drag_icon), "destroy",
|
||||
GTK_SIGNAL_FUNC(gtk_widget_destroyed),
|
||||
&drag_icon);
|
||||
wxMask *mask = m_goIcon.GetMask();
|
||||
GdkBitmap *bm = (GdkBitmap *) NULL;
|
||||
if (mask) bm = mask->GetBitmap();
|
||||
GdkPixmap *pm = m_goIcon.GetPixmap();
|
||||
|
||||
gtk_widget_hide (drag_icon);
|
||||
*/
|
||||
gtk_drag_set_icon_pixmap( context,
|
||||
gtk_widget_get_colormap( m_widget ),
|
||||
pm,
|
||||
bm,
|
||||
0,
|
||||
0 );
|
||||
|
||||
while (m_waiting) wxYield();
|
||||
}
|
||||
|
||||
GdkPoint hotspot_2 = {-5,-5};
|
||||
g_blockEventsOnDrag = FALSE;
|
||||
|
||||
if (!drop_icon)
|
||||
{
|
||||
/*
|
||||
drop_icon = shape_create_icon ( m_goIcon,
|
||||
440, 140, 0,0, GTK_WINDOW_POPUP);
|
||||
UnregisterWindow();
|
||||
|
||||
gtk_signal_connect (GTK_OBJECT (drop_icon), "destroy",
|
||||
GTK_SIGNAL_FUNC(gtk_widget_destroyed),
|
||||
&drop_icon);
|
||||
|
||||
gtk_widget_hide (drop_icon);
|
||||
*/
|
||||
}
|
||||
|
||||
|
||||
return FALSE;
|
||||
return m_retValue;
|
||||
}
|
||||
|
||||
void wxDropSource::RegisterWindow(void)
|
||||
{
|
||||
if (!m_data) return;
|
||||
}
|
||||
|
||||
void wxDropSource::UnregisterWindow(void)
|
||||
void wxDropSource::RegisterWindow()
|
||||
{
|
||||
if (!m_widget) return;
|
||||
|
||||
gtk_signal_connect( GTK_OBJECT(m_widget), "drag_data_get",
|
||||
GTK_SIGNAL_FUNC (source_drag_data_get), (gpointer) this);
|
||||
gtk_signal_connect (GTK_OBJECT(m_widget), "drag_data_delete",
|
||||
GTK_SIGNAL_FUNC (source_drag_data_delete), (gpointer) this );
|
||||
gtk_signal_connect (GTK_OBJECT(m_widget), "drag_begin",
|
||||
GTK_SIGNAL_FUNC (source_drag_begin), (gpointer) this );
|
||||
gtk_signal_connect (GTK_OBJECT(m_widget), "drag_end",
|
||||
GTK_SIGNAL_FUNC (source_drag_end), (gpointer) this );
|
||||
|
||||
}
|
||||
|
||||
void wxDropSource::UnregisterWindow()
|
||||
{
|
||||
if (!m_widget) return;
|
||||
|
||||
gtk_signal_disconnect_by_func( GTK_OBJECT(m_widget),
|
||||
GTK_SIGNAL_FUNC(source_drag_data_get), (gpointer) this );
|
||||
gtk_signal_disconnect_by_func( GTK_OBJECT(m_widget),
|
||||
GTK_SIGNAL_FUNC(source_drag_data_delete), (gpointer) this );
|
||||
gtk_signal_disconnect_by_func( GTK_OBJECT(m_widget),
|
||||
GTK_SIGNAL_FUNC(source_drag_begin), (gpointer) this );
|
||||
gtk_signal_disconnect_by_func( GTK_OBJECT(m_widget),
|
||||
GTK_SIGNAL_FUNC(source_drag_end), (gpointer) this );
|
||||
}
|
||||
|
||||
|
||||
|
||||
Loading…
Reference in New Issue
Block a user