///////////////////////////////////////////////////////////////////////////////
-// Name: dnd.cpp
+// Name: src/gtk1/dnd.cpp
// Purpose: wxDropTarget class
// Author: Robert Roebling
// Id: $Id$
// For compilers that support precompilation, includes "wx.h".
#include "wx/wxprec.h"
-#include "wx/dnd.h"
-#include "wx/log.h"
-
-
#if wxUSE_DRAG_AND_DROP
-#include "wx/window.h"
-#include "wx/app.h"
-#include "wx/gdicmn.h"
-#include "wx/intl.h"
-#include "wx/utils.h"
+#include "wx/dnd.h"
+
+#ifndef WX_PRECOMP
+ #include "wx/intl.h"
+ #include "wx/log.h"
+ #include "wx/app.h"
+ #include "wx/utils.h"
+ #include "wx/window.h"
+ #include "wx/gdicmn.h"
+#endif
#include "wx/gtk1/private.h"
// the trace mask we use with wxLogTrace() - call
// wxLog::AddTraceMask(TRACE_DND) to enable the trace messages from here
// (there are quite a few of them, so don't enable this by default)
-static const wxChar *TRACE_DND = _T("dnd");
+#define TRACE_DND _T("dnd")
+
+// global variables because GTK+ DnD want to have the
+// mouse event that caused it
+extern GdkEvent *g_lastMouseEvent;
+extern int g_lastButtonNumber;
//----------------------------------------------------------------------------
// standard icons
GdkAtom format = drop_target->GetMatchingPair();
// this does happen somehow, see bug 555111
- wxCHECK_MSG( format, FALSE, _T("no matching GdkAtom for format?") )
+ wxCHECK_MSG( format, FALSE, _T("no matching GdkAtom for format?") );
/*
GdkDragAction action = GDK_ACTION_MOVE;
extern "C" {
static void source_drag_data_delete( GtkWidget *WXUNUSED(widget),
- GdkDragContext *context,
+ GdkDragContext *WXUNUSED(context),
wxDropSource *WXUNUSED(drop_source) )
{
if (g_isIdle)
if (g_blockEventsOnDrag)
return wxDragNone;
+ // don't start dragging if no button is down
+ if (g_lastButtonNumber == 0)
+ return wxDragNone;
+
+ // we can only start a drag after a mouse event
+ if (g_lastMouseEvent == NULL)
+ return wxDragNone;
+
// disabled for now
g_blockEventsOnDrag = true;
}
delete[] array;
- 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;
- event.time = (guint32)GDK_CURRENT_TIME;
-
- /* 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;
-
-#if wxUSE_THREADS
- /* disable GUI threads */
-#endif
-
- /* don't start dragging if no button is down */
- if (button_number)
- {
int action = GDK_ACTION_COPY;
if ( flags & wxDrag_AllowMove )
action |= GDK_ACTION_MOVE;
GdkDragContext *context = gtk_drag_begin( m_widget,
target_list,
(GdkDragAction)action,
- button_number, /* number of mouse button which started drag */
- (GdkEvent*) &event );
+ g_lastButtonNumber, // number of mouse button which started drag
+ (GdkEvent*) g_lastMouseEvent );
m_dragContext = context;
m_retValue = ConvertFromGTK(context->action);
if ( m_retValue == wxDragNone )
m_retValue = wxDragCancel;
- }
-
-#if wxUSE_THREADS
- /* re-enable GUI threads */
-#endif
g_blockEventsOnDrag = false;