// Name: dnd.cpp
// Purpose: wxDropTarget class
// Author: Robert Roebling
-// Copyright: Robert Roebling
-// Licence: wxWindows license
+// Id: $Id$
+// Copyright: (c) 1998 Robert Roebling
+// Licence: wxWindows licence
///////////////////////////////////////////////////////////////////////////////
#ifdef __GNUG__
extern bool g_blockEventsOnDrag;
+#ifdef NEW_GTK_DND_CODE
+
+#include "gtk/gtkdnd.h"
+#include "gtk/gtkselection.h"
+
// ----------------------------------------------------------------------------
-// wxDropTarget
+// "drag_leave"
// ----------------------------------------------------------------------------
-wxDropTarget::wxDropTarget()
+static void target_drag_leave( GtkWidget *WXUNUSED(widget),
+ GdkDragContext *WXUNUSED(context),
+ guint WXUNUSED(time) )
{
-};
+ printf( "leave.\n" );
+}
-wxDropTarget::~wxDropTarget()
+// ----------------------------------------------------------------------------
+// "drag_motion"
+// ----------------------------------------------------------------------------
+
+static gboolean target_drag_motion( GtkWidget *WXUNUSED(widget),
+ GdkDragContext *context,
+ gint WXUNUSED(x),
+ gint WXUNUSED(y),
+ guint time )
+{
+ printf( "motion.\n" );
+ gdk_drag_status( context, context->suggested_action, time );
+ return TRUE;
+}
+
+// ----------------------------------------------------------------------------
+// "drag_drop"
+// ----------------------------------------------------------------------------
+
+static gboolean target_drag_drop( GtkWidget *widget,
+ GdkDragContext *context,
+ gint x,
+ gint y,
+ guint time )
{
-};
+ printf( "drop at: %d,%d.\n", x, y );
+
+ if (context->targets)
+ {
+ gtk_drag_get_data( widget,
+ context,
+ GPOINTER_TO_INT (context->targets->data),
+ time );
+ }
+ return FALSE;
+}
+
+// ----------------------------------------------------------------------------
+// "drag_data_received"
+// ----------------------------------------------------------------------------
-void wxDropTarget::Drop( GdkEvent *event, int x, int y )
+static void target_drag_data_received( GtkWidget *WXUNUSED(widget),
+ GdkDragContext *context,
+ gint x,
+ gint y,
+ GtkSelectionData *data,
+ guint WXUNUSED(info),
+ guint time )
{
- printf( "Drop data is of type %s.\n", event->dropdataavailable.data_type );
+ printf( "data receive at: %d,%d.\n", x, y );
+
+ if ((data->length >= 0) && (data->format == 8))
+ {
+ wxString str = (const char*)data->data;
+ printf( "Received %s\n.", WXSTRINGCAST str );
+ gtk_drag_finish( context, TRUE, FALSE, time );
+ return;
+ }
- OnDrop( x, y, (char *)event->dropdataavailable.data);
-};
+ gtk_drag_finish (context, FALSE, FALSE, time);
+}
+
+// ----------------------------------------------------------------------------
+// wxDropTarget
+// ----------------------------------------------------------------------------
+
+wxDropTarget::wxDropTarget()
+{
+}
+
+wxDropTarget::~wxDropTarget()
+{
+}
void wxDropTarget::UnregisterWidget( GtkWidget *widget )
{
- if (!widget) return;
+ wxCHECK_RET( widget != NULL, "unregister widget is NULL" );
- gtk_widget_dnd_drop_set( widget, FALSE, NULL, 0, FALSE );
-};
+ gtk_drag_dest_set( widget,
+ (GtkDestDefaults) 0,
+ (GtkTargetEntry*) NULL,
+ 0,
+ (GdkDragAction) 0 );
+
+ gtk_signal_disconnect_by_func( GTK_OBJECT(widget),
+ GTK_SIGNAL_FUNC(target_drag_leave), (gpointer) this );
+
+ gtk_signal_disconnect_by_func( GTK_OBJECT(widget),
+ GTK_SIGNAL_FUNC(target_drag_motion), (gpointer) this );
+
+ gtk_signal_disconnect_by_func( GTK_OBJECT(widget),
+ GTK_SIGNAL_FUNC(target_drag_drop), (gpointer) this );
+
+ gtk_signal_disconnect_by_func( GTK_OBJECT(widget),
+ GTK_SIGNAL_FUNC(target_drag_data_received), (gpointer) this );
+}
void wxDropTarget::RegisterWidget( GtkWidget *widget )
{
- wxString formats;
- int valid = 0;
+ wxCHECK_RET( widget != NULL, "register widget is NULL" );
- for ( uint i = 0; i < GetFormatCount(); i++ )
+ GtkTargetEntry format;
+ format.info = 0;
+ format.flags = 0;
+
+ int valid = 0;
+ for ( size_t i = 0; i < GetFormatCount(); i++ )
{
wxDataFormat df = GetFormat( i );
switch (df)
{
case wxDF_TEXT:
- if (i > 0) formats += ";";
- formats += "text/plain";
+ format.target = "text/plain";
valid++;
break;
case wxDF_FILENAME:
- if (i > 0) formats += ";";
- formats += "url:any";
+ format.target = "file:ALL";
valid++;
break;
default:
break;
- };
+ }
}
- char *str = WXSTRINGCAST formats;
+ wxASSERT_MSG( valid != 0, "No valid DnD format supported." );
- gtk_widget_dnd_drop_set( widget, TRUE, &str, valid, FALSE );
-};
+ gtk_drag_dest_set( widget,
+ GTK_DEST_DEFAULT_ALL,
+ &format,
+ 1,
+ (GdkDragAction)(GDK_ACTION_COPY | GDK_ACTION_MOVE) );
+
+ gtk_signal_connect( GTK_OBJECT(widget), "drag_leave",
+ GTK_SIGNAL_FUNC(target_drag_leave), (gpointer) this );
+
+ gtk_signal_connect( GTK_OBJECT(widget), "drag_motion",
+ GTK_SIGNAL_FUNC(target_drag_motion), (gpointer) this );
+
+ gtk_signal_connect( GTK_OBJECT(widget), "drag_drop",
+ GTK_SIGNAL_FUNC(target_drag_drop), (gpointer) this );
+
+ gtk_signal_connect( GTK_OBJECT(widget), "drag_data_received",
+ GTK_SIGNAL_FUNC(target_drag_data_received), (gpointer) this );
+}
// ----------------------------------------------------------------------------
// wxTextDropTarget
// ----------------------------------------------------------------------------
-bool wxTextDropTarget::OnDrop( long x, long y, const void *pData )
+bool wxTextDropTarget::OnDrop( long x, long y, const void *data, size_t WXUNUSED(size) )
{
- OnDropText( x, y, (const char*)pData );
+ OnDropText( x, y, (const char*)data );
return TRUE;
-};
+}
bool wxTextDropTarget::OnDropText( long x, long y, const char *psz )
{
printf( "Got dropped text: %s.\n", psz );
printf( "At x: %d, y: %d.\n", (int)x, (int)y );
return TRUE;
-};
+}
size_t wxTextDropTarget::GetFormatCount() const
{
// wxFileDropTarget
// ----------------------------------------------------------------------------
-bool wxFileDropTarget::OnDropFiles( long x, long y, size_t nFiles, const char * const WXUNUSED(aszFiles)[] )
+bool wxFileDropTarget::OnDropFiles( long x, long y, size_t nFiles, const char * const aszFiles[] )
{
printf( "Got %d dropped files.\n", (int)nFiles );
printf( "At x: %d, y: %d.\n", (int)x, (int)y );
+ for (size_t i = 0; i < nFiles; i++)
+ {
+ printf( aszFiles[i] );
+ printf( "\n" );
+ }
return TRUE;
}
-bool wxFileDropTarget::OnDrop(long x, long y, const void *WXUNUSED(pData) )
+bool wxFileDropTarget::OnDrop(long x, long y, const void *data, size_t size )
{
- char *str = "/this/is/a/path.txt";
+ size_t number = 0;
+ char *text = (char*) data;
+ for (size_t i = 0; i < size; i++)
+ if (text[i] == 0) number++;
- return OnDropFiles(x, y, 1, &str );
+ if (number == 0) return TRUE;
+
+ char **files = new char*[number];
+
+ text = (char*) data;
+ for (size_t i = 0; i < number; i++)
+ {
+ files[i] = text;
+ int len = strlen( text );
+ text += len+1;
+ }
+
+ bool ret = OnDropFiles( x, y, 1, files );
+
+ free( files );
+
+ return ret;
}
size_t wxFileDropTarget::GetFormatCount() const
// wxDropSource
//-------------------------------------------------------------------------
+wxDropSource::wxDropSource( wxWindow *win )
+{
+ g_blockEventsOnDrag = TRUE;
+
+ m_window = win;
+ m_widget = win->m_widget;
+ if (win->m_wxwindow) m_widget = win->m_wxwindow;
+
+ m_data = (wxDataObject *) NULL;
+ m_retValue = wxDragCancel;
+
+ m_defaultCursor = wxCursor( wxCURSOR_NO_ENTRY );
+ m_goaheadCursor = wxCursor( wxCURSOR_HAND );
+}
+
+wxDropSource::wxDropSource( wxDataObject &data, wxWindow *win )
+{
+ g_blockEventsOnDrag = TRUE;
+
+ m_window = win;
+ m_widget = win->m_widget;
+ if (win->m_wxwindow) m_widget = win->m_wxwindow;
+ m_retValue = wxDragCancel;
+
+ m_data = &data;
+
+ m_defaultCursor = wxCursor( wxCURSOR_NO_ENTRY );
+ m_goaheadCursor = wxCursor( wxCURSOR_HAND );
+}
+
+void wxDropSource::SetData( wxDataObject &data )
+{
+ m_data = &data;
+}
+
+wxDropSource::~wxDropSource(void)
+{
+// if (m_data) delete m_data;
+
+ g_blockEventsOnDrag = FALSE;
+}
+
+wxDragResult wxDropSource::DoDragDrop( bool WXUNUSED(bAllowMove) )
+{
+ wxASSERT_MSG( m_data, "wxDragSource: no data" );
+
+ if (!m_data) return (wxDragResult) wxDragNone;
+ if (m_data->GetDataSize() == 0) return (wxDragResult) wxDragNone;
+
+ RegisterWindow();
+
+ // TODO
+
+ UnregisterWindow();
+
+ g_blockEventsOnDrag = FALSE;
+
+ return m_retValue;
+}
+
+void wxDropSource::RegisterWindow(void)
+{
+ if (!m_data) return;
+
+ wxString formats;
+
+ wxDataFormat df = m_data->GetPreferredFormat();
+
+ switch (df)
+ {
+ case wxDF_TEXT:
+ formats += "text/plain";
+ break;
+ case wxDF_FILENAME:
+ formats += "file:ALL";
+ break;
+ default:
+ break;
+ }
+
+ char *str = WXSTRINGCAST formats;
+
+ // TODO
+}
+
+void wxDropSource::UnregisterWindow(void)
+{
+ if (!m_widget) return;
+
+ // TODO
+}
+
+
+#else // NEW_CODE
+
+
+
+//-----------------------------------------------------------------------------
+// "drop_data_available_event"
+//-----------------------------------------------------------------------------
+
+static void gtk_target_callback( GtkWidget *widget,
+ GdkEventDropDataAvailable *event,
+ wxDropTarget *target )
+{
+ if (target)
+ {
+ int x = 0;
+ int y = 0;
+ gdk_window_get_pointer( widget->window, &x, &y, (GdkModifierType *) NULL );
+
+ printf( "Drop data is of type %s.\n", event->data_type );
+
+ target->OnDrop( x, y, (const void*)event->data, (size_t)event->data_numbytes );
+ }
+
+/*
+ g_free (event->data);
+ g_free (event->data_type);
+*/
+}
+
+// ----------------------------------------------------------------------------
+// wxDropTarget
+// ----------------------------------------------------------------------------
+
+wxDropTarget::wxDropTarget()
+{
+}
+
+wxDropTarget::~wxDropTarget()
+{
+}
+
+void wxDropTarget::UnregisterWidget( GtkWidget *widget )
+{
+ if (!widget) return;
+
+ gtk_signal_disconnect_by_func( GTK_OBJECT(widget),
+ GTK_SIGNAL_FUNC(gtk_target_callback), (gpointer) this );
+
+ gtk_widget_dnd_drop_set( widget, FALSE, (gchar **) NULL, 0, FALSE );
+}
+
+void wxDropTarget::RegisterWidget( GtkWidget *widget )
+{
+ wxString formats;
+ int valid = 0;
+
+ for ( size_t i = 0; i < GetFormatCount(); i++ )
+ {
+ wxDataFormat df = GetFormat( i );
+ switch (df)
+ {
+ case wxDF_TEXT:
+ if (i > 0) formats += ";";
+ formats += "text/plain";
+ valid++;
+ break;
+ case wxDF_FILENAME:
+ if (i > 0) formats += ";";
+ formats += "file:ALL";
+ valid++;
+ break;
+ default:
+ break;
+ }
+ }
+
+ char *str = WXSTRINGCAST formats;
+
+ gtk_widget_dnd_drop_set( widget, TRUE, &str, valid, FALSE );
+
+ gtk_signal_connect( GTK_OBJECT(widget), "drop_data_available_event",
+ GTK_SIGNAL_FUNC(gtk_target_callback), (gpointer) this );
+}
+
+// ----------------------------------------------------------------------------
+// wxTextDropTarget
+// ----------------------------------------------------------------------------
+
+bool wxTextDropTarget::OnDrop( long x, long y, const void *data, size_t WXUNUSED(size) )
+{
+ OnDropText( x, y, (const char*)data );
+ return TRUE;
+}
+
+bool wxTextDropTarget::OnDropText( long x, long y, const char *psz )
+{
+ printf( "Got dropped text: %s.\n", psz );
+ printf( "At x: %d, y: %d.\n", (int)x, (int)y );
+ return TRUE;
+}
+
+size_t wxTextDropTarget::GetFormatCount() const
+{
+ return 1;
+}
+
+wxDataFormat wxTextDropTarget::GetFormat(size_t WXUNUSED(n)) const
+{
+ return wxDF_TEXT;
+}
+
+// ----------------------------------------------------------------------------
+// wxFileDropTarget
+// ----------------------------------------------------------------------------
+
+bool wxFileDropTarget::OnDropFiles( long x, long y, size_t nFiles, const char * const aszFiles[] )
+{
+ printf( "Got %d dropped files.\n", (int)nFiles );
+ printf( "At x: %d, y: %d.\n", (int)x, (int)y );
+ for (size_t i = 0; i < nFiles; i++)
+ {
+ printf( aszFiles[i] );
+ printf( "\n" );
+ }
+ return TRUE;
+}
+
+bool wxFileDropTarget::OnDrop(long x, long y, const void *data, size_t size )
+{
+ size_t number = 0;
+ char *text = (char*) data;
+ for (size_t i = 0; i < size; i++)
+ if (text[i] == 0) number++;
+
+ if (number == 0) return TRUE;
+
+ char **files = new char*[number];
+
+ text = (char*) data;
+ for (size_t i = 0; i < number; i++)
+ {
+ files[i] = text;
+ int len = strlen( text );
+ text += len+1;
+ }
+
+ bool ret = OnDropFiles( x, y, 1, files );
+
+ free( files );
+
+ return ret;
+}
+
+size_t wxFileDropTarget::GetFormatCount() const
+{
+ return 1;
+}
+
+wxDataFormat wxFileDropTarget::GetFormat(size_t WXUNUSED(n)) const
+{
+ return wxDF_FILENAME;
+}
+
+//-------------------------------------------------------------------------
+// wxDropSource
+//-------------------------------------------------------------------------
+
//-----------------------------------------------------------------------------
// drag request
wxDataObject *data = source->m_data;
- uint size = data->GetDataSize();
+ size_t size = data->GetDataSize();
char *ptr = new char[size];
data->GetDataHere( ptr );
delete ptr;
- source->m_retValue = wxDropSource::Copy;
-};
+ source->m_retValue = wxDragCopy;
+}
wxDropSource::wxDropSource( wxWindow *win )
{
m_widget = win->m_widget;
if (win->m_wxwindow) m_widget = win->m_wxwindow;
- m_data = NULL;
- m_retValue = Cancel;
+ m_data = (wxDataObject *) NULL;
+ m_retValue = wxDragCancel;
m_defaultCursor = wxCursor( wxCURSOR_NO_ENTRY );
m_goaheadCursor = wxCursor( wxCURSOR_HAND );
-};
+}
wxDropSource::wxDropSource( wxDataObject &data, wxWindow *win )
{
m_window = win;
m_widget = win->m_widget;
if (win->m_wxwindow) m_widget = win->m_wxwindow;
- m_retValue = Cancel;
+ m_retValue = wxDragCancel;
m_data = &data;
m_defaultCursor = wxCursor( wxCURSOR_NO_ENTRY );
m_goaheadCursor = wxCursor( wxCURSOR_HAND );
-};
+}
void wxDropSource::SetData( wxDataObject &data )
{
m_data = &data;
-};
+}
wxDropSource::~wxDropSource(void)
{
// if (m_data) delete m_data;
g_blockEventsOnDrag = FALSE;
-};
+}
-wxDropSource::DragResult wxDropSource::DoDragDrop( bool WXUNUSED(bAllowMove) )
+wxDragResult wxDropSource::DoDragDrop( bool WXUNUSED(bAllowMove) )
{
- if (gdk_dnd.dnd_grabbed) return None;
- if (gdk_dnd.drag_really) return None;
+ if (gdk_dnd.dnd_grabbed) return (wxDragResult) wxDragNone;
+ if (gdk_dnd.drag_really) return (wxDragResult) wxDragNone;
- wxASSERT_MSG( data, "wxDragSource: no data" );
+ wxASSERT_MSG( m_data, "wxDragSource: no data" );
- if (!m_data) return None;
- if (m_data->GetDataSize() == 0) return None;
+ if (!m_data) return (wxDragResult) wxDragNone;
+ if (m_data->GetDataSize() == 0) return (wxDragResult) wxDragNone;
GdkWindowPrivate *wp = (GdkWindowPrivate*) m_widget->window;
if (gdk_dnd.drag_startwindows)
{
g_free( gdk_dnd.drag_startwindows );
- gdk_dnd.drag_startwindows = NULL;
- };
+ gdk_dnd.drag_startwindows = (GdkWindow **) NULL;
+ }
gdk_dnd.drag_numwindows = gdk_dnd.drag_really = 0;
XWindowAttributes dnd_winattr;
int x = 0;
int y = 0;
- gdk_window_get_pointer( m_widget->window, &x, &y, NULL );
+ gdk_window_get_pointer( m_widget->window, &x, &y, (GdkModifierType *) NULL );
gdk_dnd_display_drag_cursor( x, y, FALSE, TRUE );
g_blockEventsOnDrag = FALSE;
return m_retValue;
-};
+}
void wxDropSource::RegisterWindow(void)
{
formats += "text/plain";
break;
case wxDF_FILENAME:
- formats += "url:any";
+ formats += "file:ALL";
break;
default:
break;
gtk_signal_connect( GTK_OBJECT(m_widget), "drag_request_event",
GTK_SIGNAL_FUNC(gtk_drag_callback), (gpointer)this );
-};
+}
void wxDropSource::UnregisterWindow(void)
{
if (!m_widget) return;
- gtk_widget_dnd_drag_set( m_widget, FALSE, NULL, 0 );
+ gtk_widget_dnd_drag_set( m_widget, FALSE, (gchar **) NULL, 0 );
gtk_signal_disconnect_by_data( GTK_OBJECT(m_widget), (gpointer)this );
-};
+}
+
+#endif
+ // NEW_GTK_DND_CODE
+
projects / wxWidgets.git / blobdiff