///////////////////////////////////////////////////////////////////////////////
-// 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"
extern void wxapp_install_idle_handler();
extern bool g_isIdle;
-//-----------------------------------------------------------------------------
-// thread system
-//-----------------------------------------------------------------------------
-
-#if wxUSE_THREADS
-#endif
-
//----------------------------------------------------------------------------
// global data
//----------------------------------------------------------------------------
// 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
drop_target->m_firstMotion = true;
/* after this, invalidate the drop_target's GdkDragContext */
- drop_target->SetDragContext( (GdkDragContext*) NULL );
+ drop_target->SetDragContext( NULL );
}
}
}
/* after this, invalidate the drop_target's GdkDragContext */
- drop_target->SetDragContext( (GdkDragContext*) NULL );
+ drop_target->SetDragContext( NULL );
/* this has to be done because GDK has no "drag_enter" event */
drop_target->m_firstMotion = false;
}
/* after this, invalidate the drop_target's GdkDragContext */
- drop_target->SetDragContext( (GdkDragContext*) NULL );
+ drop_target->SetDragContext( NULL );
/* after this, invalidate the drop_target's drag widget */
- drop_target->SetDragWidget( (GtkWidget*) NULL );
+ drop_target->SetDragWidget( NULL );
/* this has to be done because GDK has no "drag_enter" event */
drop_target->m_firstMotion = true;
}
/* after this, invalidate the drop_target's drag data */
- drop_target->SetDragData( (GtkSelectionData*) NULL );
+ drop_target->SetDragData( NULL );
}
}
: wxDropTargetBase( data )
{
m_firstMotion = true;
- m_dragContext = (GdkDragContext*) NULL;
- m_dragWidget = (GtkWidget*) NULL;
- m_dragData = (GtkSelectionData*) NULL;
+ m_dragContext = NULL;
+ m_dragWidget = NULL;
+ m_dragData = NULL;
m_dragTime = 0;
}
{
// 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
-#ifdef __WXDEBUG__
- wxLogNull noLog;
-#endif // Debug
-
- return (GetMatchingPair() != (GdkAtom) 0) ? def : wxDragNone;
+ // disable the debug message from GetMatchingPair() by passing true to it
+ return (GetMatchingPair(true) != (GdkAtom) 0) ? def : wxDragNone;
}
bool wxDropTarget::OnDrop( wxCoord WXUNUSED(x), wxCoord WXUNUSED(y) )
return GetData() ? def : wxDragNone;
}
-GdkAtom wxDropTarget::GetMatchingPair()
+GdkAtom wxDropTarget::GetMatchingPair(bool quiet)
{
if (!m_dataObject)
return (GdkAtom) 0;
GdkAtom formatAtom = GPOINTER_TO_INT(child->data);
wxDataFormat format( formatAtom );
-#ifdef __WXDEBUG__
- wxLogTrace(TRACE_DND, wxT("Drop target: drag has format: %s"),
- format.GetId().c_str());
-#endif // Debug
+ if ( !quiet )
+ {
+ wxLogTrace(TRACE_DND, wxT("Drop target: drag has format: %s"),
+ format.GetId().c_str());
+ }
if (m_dataObject->IsSupportedFormat( format ))
return formatAtom;
gtk_drag_dest_set( widget,
(GtkDestDefaults) 0, /* no default behaviour */
- (GtkTargetEntry*) NULL, /* we don't supply any formats here */
+ NULL, /* we don't supply any formats here */
0, /* number of targets = 0 */
(GdkDragAction) 0 ); /* we don't supply any actions here */
extern "C" {
static void source_drag_data_delete( GtkWidget *WXUNUSED(widget),
- GdkDragContext *context,
+ GdkDragContext *WXUNUSED(context),
wxDropSource *WXUNUSED(drop_source) )
{
if (g_isIdle)
{
m_waiting = true;
- m_iconWindow = (GtkWidget*) NULL;
+ m_iconWindow = NULL;
m_window = win;
m_widget = win->m_widget;
SetData( data );
- m_iconWindow = (GtkWidget*) NULL;
+ m_iconWindow = NULL;
m_window = win;
m_widget = win->m_widget;
if ( icon->GetMask() )
mask = icon->GetMask()->GetBitmap();
else
- mask = (GdkBitmap *)NULL;
+ mask = NULL;
GdkPixmap *pixmap = icon->GetPixmap();
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;
m_waiting = true;
- GtkTargetList *target_list = gtk_target_list_new( (GtkTargetEntry*) NULL, 0 );
+ GtkTargetList *target_list = gtk_target_list_new( NULL, 0 );
wxDataFormat *array = new wxDataFormat[ m_data->GetFormatCount() ];
m_data->GetAllFormats( array );
}
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;
projects / wxWidgets.git / blobdiff