// 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__
#endif
#include "wx/dnd.h"
+
+#if wxUSE_DRAG_AND_DROP
+
#include "wx/window.h"
#include "wx/app.h"
#include "wx/gdicmn.h"
-#include <wx/intl.h>
+#include "wx/intl.h"
+#include "wx/utils.h"
+#include "gdk/gdk.h"
+#include "gtk/gtk.h"
#include "gdk/gdkprivate.h"
#include <X11/Xlib.h>
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;
}
-void wxDropTarget::Drop( GdkEvent *event, int x, int y )
+// ----------------------------------------------------------------------------
+// "drag_data_received"
+// ----------------------------------------------------------------------------
+
+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 );
- OnDrop( x, y, (char *)event->dropdataavailable.data);
+ 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;
+ }
+
+ 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" );
+ GtkTargetEntry format;
+ format.info = 0;
+ format.flags = 0;
+ char buf[100];
+
+ 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;
+ case wxDF_PRIVATE:
+ wxPrivateDropTarget *pdt = (wxPrivateDropTarget *)this;
+ strcpy( buf, WXSTRINGCAST pdt->GetID() );
+ format.target = buf;
+ valid++;
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;
}
// 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++;
+
+ 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;
+ }
- return OnDropFiles(x, y, 1, &str );
+ bool ret = OnDropFiles( x, y, 1, files );
+
+ free( files );
+
+ return ret;
}
size_t wxFileDropTarget::GetFormatCount() const
// wxDropSource
//-------------------------------------------------------------------------
-//-----------------------------------------------------------------------------
-// drag request
-
-void gtk_drag_callback( GtkWidget *widget, GdkEvent *event, wxDropSource *source )
-{
- printf( "Data requested for dropping.\n" );
-
- wxDataObject *data = source->m_data;
-
- size_t size = data->GetDataSize();
- char *ptr = new char[size];
- data->GetDataHere( ptr );
-
- gtk_widget_dnd_data_set( widget, event, ptr, size );
-
- delete ptr;
-
- source->m_retValue = wxDropSource::Copy;
-}
-
wxDropSource::wxDropSource( wxWindow *win )
{
g_blockEventsOnDrag = TRUE;
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 );
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;
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;
-
wxASSERT_MSG( m_data, "wxDragSource: no data" );
- if (!m_data) return None;
- if (m_data->GetDataSize() == 0) return None;
-
- GdkWindowPrivate *wp = (GdkWindowPrivate*) m_widget->window;
+ if (!m_data) return (wxDragResult) wxDragNone;
+ if (m_data->GetDataSize() == 0) return (wxDragResult) wxDragNone;
RegisterWindow();
- gdk_dnd.drag_perhaps = TRUE;
-
- gdk_dnd.dnd_drag_start.x = 5;
- gdk_dnd.dnd_drag_start.y = 5;
- gdk_dnd.real_sw = wp;
-
- if (gdk_dnd.drag_startwindows)
- {
- g_free( gdk_dnd.drag_startwindows );
- gdk_dnd.drag_startwindows = NULL;
- }
- gdk_dnd.drag_numwindows = gdk_dnd.drag_really = 0;
-
- XWindowAttributes dnd_winattr;
- XGetWindowAttributes( gdk_display, wp->xwindow, &dnd_winattr );
- wp->dnd_drag_savedeventmask = dnd_winattr.your_event_mask;
-
- gdk_dnd_drag_addwindow( m_widget->window );
-
- GdkEventDragBegin ev;
- ev.type = GDK_DRAG_BEGIN;
- ev.window = m_widget->window;
- ev.u.allflags = 0;
- ev.u.flags.protocol_version = DND_PROTOCOL_VERSION;
-
- gdk_event_put( (GdkEvent*)&ev );
-
- XGrabPointer( gdk_display, wp->xwindow, False,
- ButtonMotionMask | ButtonPressMask | ButtonReleaseMask | PointerMotionMask,
- GrabModeAsync, GrabModeAsync, gdk_root_window, None, CurrentTime );
-
- gdk_dnd_set_drag_cursors( m_defaultCursor.GetCursor(), m_goaheadCursor.GetCursor() );
-
- gdk_dnd.dnd_grabbed = TRUE;
- gdk_dnd.drag_really = 1;
-
- int x = 0;
- int y = 0;
- gdk_window_get_pointer( m_widget->window, &x, &y, NULL );
-
- gdk_dnd_display_drag_cursor( x, y, FALSE, TRUE );
-
- while (gdk_dnd.drag_really || gdk_dnd.drag_perhaps) wxYield();
+ // TODO
UnregisterWindow();
formats += "text/plain";
break;
case wxDF_FILENAME:
- formats += "url:any";
+ formats += "file:ALL";
break;
default:
break;
char *str = WXSTRINGCAST formats;
- gtk_widget_dnd_drag_set( m_widget, TRUE, &str, 1 );
-
- gtk_signal_connect( GTK_OBJECT(m_widget), "drag_request_event",
- GTK_SIGNAL_FUNC(gtk_drag_callback), (gpointer)this );
+ // TODO
}
void wxDropSource::UnregisterWindow(void)
{
if (!m_widget) return;
- gtk_widget_dnd_drag_set( m_widget, FALSE, NULL, 0 );
+ // TODO
+}
+
+
+#else // NEW_CODE
+
+GtkWidget *shape_create_icon (char **data,
+ gint x,
+ gint y,
+ gint px,
+ gint py,
+ gint window_type);
+
+/* 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 */
+"32 32 5 1",
+/* colors */
+" s None c None",
+". c black",
+"X c wheat",
+"o c tan",
+"O c #6699FF",
+/* pixels */
+" ................... ",
+" .XXXXXXXXXXXXXXXXX.. ",
+" .XXXXXXXXXXXXXXXXX.o. ",
+" .XXXXXXXXXXXXXXXXX.oo. ",
+" .XXXXXXXXXXXXXXXXX.ooo. ",
+" .XXXXXXXXXXXXXXXXX.oooo. ",
+" .XXXXXXXXXXXXXXXXX....... ",
+" .XXXXXOOOOOOOOOOXXXooooo. ",
+" .XXXXXXXXXXXXXXXXXXooooo. ",
+" .XXXXXOOOOOOOOOOXXXXXXXX. ",
+" .XXXXXXXXXXXXXXXXXXXXXXX. ",
+" .XXXXXXXOOOOOOOOOXXXXXXX. ",
+" .XXXXXXXXXXXXXXXXXXXXXXX. ",
+" .XXXXXXOOOOOOOOOOXXXXXXX. ",
+" .XXXXXXXXXXXXXXXXXXXXXXX. ",
+" .XXXXXOOOOOOOOOOXXXXXXXX. ",
+" .XXXXXXXXXXXXXXXXXXXXXXX. ",
+" .XXXXXXXOOOOOOOOOXXXXXXX. ",
+" .XXXXXXXXXXXXXXXXXXXXXXX. ",
+" .XXXXXXOOOOOOOOOOXXXXXXX. ",
+" .XXXXXXXXXXXXXXXXXXXXXXX. ",
+" .XXXXXOOOOOOOOOOXXXXXXXX. ",
+" .XXXXXXXXXXXXXXXXXXXXXXX. ",
+" .XXXXXXOOOOOOOOOOXXXXXXX. ",
+" .XXXXXXXXXXXXXXXXXXXXXXX. ",
+" .XXXXXOOOOOOOXXXXXXXXXXX. ",
+" .XXXXXXXXXXXXXXXXXXXXXXX. ",
+" .XXXXXXXXXXXXXXXXXXXXXXX. ",
+" .XXXXXXXXXXXXXXXXXXXXXXX. ",
+" .XXXXXXXXXXXXXXXXXXXXXXX. ",
+" .XXXXXXXXXXXXXXXXXXXXXXX. ",
+" ......................... "};
+
+
+//-----------------------------------------------------------------------------
+// globals
+//-----------------------------------------------------------------------------
+
+wxDropSource *gs_currentDropSource = (wxDropSource*) NULL;
+
+//-----------------------------------------------------------------------------
+// "drop_enter_event"
+//-----------------------------------------------------------------------------
+
+static void gtk_target_enter_callback( GtkWidget *WXUNUSED(widget),
+ GdkEventDropEnter *WXUNUSED(event),
+ wxDropTarget *target )
+{
+ if (target)
+ target->OnEnter();
+}
+
+//-----------------------------------------------------------------------------
+// "drop_leave_event"
+//-----------------------------------------------------------------------------
+
+static void gtk_target_leave_callback( GtkWidget *WXUNUSED(widget),
+ GdkEventDropLeave *WXUNUSED(event),
+ wxDropTarget *target )
+{
+ if (target)
+ target->OnLeave();
+}
+
+//-----------------------------------------------------------------------------
+// "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()
+{
+ m_format = (wxDataFormat*) NULL;
+}
+
+wxDropTarget::~wxDropTarget()
+{
+ if (m_format) delete m_format;
+}
+
+wxDataFormat &wxDropTarget::GetFormat(size_t n) const
+{
+ return (*m_format);
+}
+
+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++ )
+ {
+ switch (GetFormat(i).GetType())
+ {
+ case wxDF_TEXT:
+ {
+ if (i > 0) formats += ";";
+ formats += "text/plain";
+ valid++;
+ break;
+ }
+ case wxDF_FILENAME:
+ {
+ if (i > 0) formats += ";";
+ formats += "file:ALL";
+ valid++;
+ break;
+ }
+ case wxDF_PRIVATE:
+ {
+ if (i > 0) formats += ";";
+ wxPrivateDropTarget *pdt = (wxPrivateDropTarget *)this;
+ formats += pdt->GetId();
+ valid++;
+ break;
+ }
+ default:
+ break;
+ }
+ }
+
+ char *str = WXSTRINGCAST formats;
+
+ gtk_widget_dnd_drop_set( widget, TRUE, &str, valid, FALSE );
- gtk_signal_disconnect_by_data( GTK_OBJECT(m_widget), (gpointer)this );
+ gtk_signal_connect( GTK_OBJECT(widget), "drop_data_available_event",
+ GTK_SIGNAL_FUNC(gtk_target_callback), (gpointer) this );
+
+ gtk_signal_connect( GTK_OBJECT(widget), "drop_enter_event",
+ GTK_SIGNAL_FUNC(gtk_target_enter_callback), (gpointer) this );
+
+ gtk_signal_connect( GTK_OBJECT(widget), "drop_leave_event",
+ GTK_SIGNAL_FUNC(gtk_target_leave_callback), (gpointer) this );
+}
+
+// ----------------------------------------------------------------------------
+// wxTextDropTarget
+// ----------------------------------------------------------------------------
+
+wxTextDropTarget::wxTextDropTarget()
+{
+ m_format = new wxDataFormat( wxDF_TEXT );
+}
+
+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;
+}
+
+// ----------------------------------------------------------------------------
+// wxPrivateDropTarget
+// ----------------------------------------------------------------------------
+
+wxPrivateDropTarget::wxPrivateDropTarget()
+{
+ m_id = wxTheApp->GetAppName();
+ m_format = new wxDataFormat( m_id );
+}
+
+void wxPrivateDropTarget::SetId( const wxString& id )
+{
+ m_id = id;
+ m_format->SetId( id );
+}
+
+size_t wxPrivateDropTarget::GetFormatCount() const
+{
+ return 1;
+}
+
+// ----------------------------------------------------------------------------
+// wxFileDropTarget
+// ----------------------------------------------------------------------------
+
+wxFileDropTarget::wxFileDropTarget()
+{
+ m_format = new wxDataFormat( wxDF_FILENAME );
+}
+
+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;
+}
+
+//-------------------------------------------------------------------------
+// wxDropSource
+//-------------------------------------------------------------------------
+
+static void
+shape_motion (GtkWidget *widget,
+ GdkEventMotion * /*event*/);
+
+//-----------------------------------------------------------------------------
+// "drag_request_event"
+//-----------------------------------------------------------------------------
+
+void gtk_drag_callback( GtkWidget *widget, GdkEventDragRequest *event, wxDropSource *source )
+{
+ wxDataBroker *data = source->m_data;
+
+ if (!data) return;
+
+ wxNode *node = data->m_dataObjects.First();
+ {
+ wxDataObject *dobj = (wxDataObject*) node->Data();
+
+ if ((strcmp(event->data_type,"file:ALL") == 0) &&
+ (dobj->GetFormat().GetType() == wxDF_FILENAME))
+ {
+ wxFileDataObject *file_object = (wxFileDataObject*) dobj;
+
+ wxString text = file_object->GetFiles();
+
+ char *s = WXSTRINGCAST text;
+
+ gtk_widget_dnd_data_set( widget,
+ (GdkEvent*)event,
+ (unsigned char*) s,
+ (int) text.Length()+1 );
+
+ source->m_retValue = wxDragCopy;
+
+ return;
+ }
+
+ if ((strcmp(event->data_type,"text/plain") == 0) &&
+ (dobj->GetFormat().GetType() == wxDF_TEXT))
+ {
+ wxTextDataObject *text_object = (wxTextDataObject*) dobj;
+
+ wxString text = text_object->GetText();
+
+ char *s = WXSTRINGCAST text;
+
+ gtk_widget_dnd_data_set( widget,
+ (GdkEvent*)event,
+ (unsigned char*) s,
+ (int) text.Length()+1 );
+
+ source->m_retValue = wxDragCopy;
+
+ return;
+ }
+
+ if (dobj->GetFormat().GetType() == wxDF_PRIVATE)
+ {
+ wxPrivateDataObject *pdo = (wxPrivateDataObject*) dobj;
+
+ if (pdo->GetId() == event->data_type)
+ {
+ gtk_widget_dnd_data_set( widget,
+ (GdkEvent*)event,
+ (unsigned char*) pdo->GetData(),
+ (int) pdo->GetSize() );
+
+ source->m_retValue = wxDragCopy;
+
+ return;
+ }
+ }
+
+ node = node->Next();
+ }
+}
+
+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 = (wxDataBroker*) 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;
+
+ if (data)
+ {
+ m_data = new wxDataBroker();
+ m_data->Add( data );
+ }
+ else
+ {
+ m_data = (wxDataBroker*) NULL;
+ }
+
+ m_defaultCursor = wxCursor( wxCURSOR_NO_ENTRY );
+ m_goaheadCursor = wxCursor( wxCURSOR_HAND );
+}
+
+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;
+ m_retValue = wxDragCancel;
+
+ m_data = data;
+
+ m_defaultCursor = wxCursor( wxCURSOR_NO_ENTRY );
+ m_goaheadCursor = wxCursor( wxCURSOR_HAND );
+}
+
+void wxDropSource::SetData( wxDataObject *data )
+{
+ if (m_data) delete m_data;
+
+ if (data)
+ {
+ m_data = new wxDataBroker();
+ m_data->Add( data );
+ }
+ else
+ {
+ m_data = (wxDataBroker*) NULL;
+ }
+}
+
+void wxDropSource::SetData( wxDataBroker *data )
+{
+ if (m_data) delete m_data;
+
+ m_data = data;
+}
+
+wxDropSource::~wxDropSource(void)
+{
+ if (m_data) delete m_data;
+
+ g_blockEventsOnDrag = FALSE;
+}
+
+wxDragResult wxDropSource::DoDragDrop( bool WXUNUSED(bAllowMove) )
+{
+ if (gdk_dnd.dnd_grabbed) return (wxDragResult) wxDragNone;
+ if (gdk_dnd.drag_really) return (wxDragResult) wxDragNone;
+
+ wxASSERT_MSG( m_data, "wxDragSource: no data" );
+
+ if (!m_data) return (wxDragResult) wxDragNone;
+
+ static GtkWidget *drag_icon = (GtkWidget*) NULL;
+ static GtkWidget *drop_icon = (GtkWidget*) NULL;
+
+ GdkPoint hotspot_1 = {0,-5 };
+
+ if (!drag_icon)
+ {
+ drag_icon = shape_create_icon ( gv_xpm,
+ 440, 140, 0,0, GTK_WINDOW_POPUP);
+
+ gtk_signal_connect (GTK_OBJECT (drag_icon), "destroy",
+ GTK_SIGNAL_FUNC(gtk_widget_destroyed),
+ &drag_icon);
+
+ gtk_widget_hide (drag_icon);
+ }
+
+ GdkPoint hotspot_2 = {-5,-5};
+
+ if (!drop_icon)
+ {
+ drop_icon = shape_create_icon ( page_xpm,
+ 440, 140, 0,0, GTK_WINDOW_POPUP);
+
+ gtk_signal_connect (GTK_OBJECT (drop_icon), "destroy",
+ GTK_SIGNAL_FUNC(gtk_widget_destroyed),
+ &drop_icon);
+
+ gtk_widget_hide (drop_icon);
+ }
+
+
+ gdk_dnd_set_drag_shape( drag_icon->window,
+ &hotspot_1,
+ drop_icon->window,
+ &hotspot_2);
+
+
+ GdkWindowPrivate *wp = (GdkWindowPrivate*) m_widget->window;
+
+ RegisterWindow();
+
+ gdk_dnd.drag_perhaps = TRUE;
+
+ gdk_dnd.dnd_drag_start.x = 5;
+ gdk_dnd.dnd_drag_start.y = 5;
+ gdk_dnd.real_sw = wp;
+
+ if (gdk_dnd.drag_startwindows)
+ {
+ g_free( gdk_dnd.drag_startwindows );
+ gdk_dnd.drag_startwindows = (GdkWindow **) NULL;
+ }
+ gdk_dnd.drag_numwindows = gdk_dnd.drag_really = 0;
+
+ XWindowAttributes dnd_winattr;
+ XGetWindowAttributes( gdk_display, wp->xwindow, &dnd_winattr );
+ wp->dnd_drag_savedeventmask = dnd_winattr.your_event_mask;
+
+ gdk_dnd_drag_addwindow( m_widget->window );
+
+ GdkEventDragBegin ev;
+ ev.type = GDK_DRAG_BEGIN;
+ ev.window = m_widget->window;
+ ev.u.allflags = 0;
+ ev.u.flags.protocol_version = DND_PROTOCOL_VERSION;
+
+ gdk_event_put( (GdkEvent*)&ev );
+
+ XGrabPointer( gdk_display, wp->xwindow, False,
+ ButtonMotionMask | ButtonPressMask | ButtonReleaseMask | PointerMotionMask,
+ GrabModeAsync, GrabModeAsync, gdk_root_window, None, CurrentTime );
+
+ gdk_dnd_set_drag_cursors( m_defaultCursor.GetCursor(), m_goaheadCursor.GetCursor() );
+
+ gdk_dnd.dnd_grabbed = TRUE;
+ gdk_dnd.drag_really = 1;
+
+ int x = 0;
+ int y = 0;
+ wxGetMousePosition( &x, &y );
+
+ gdk_dnd_display_drag_cursor( x, y, FALSE, TRUE );
+
+ gs_currentDropSource = this;
+
+ while (gdk_dnd.drag_really || gdk_dnd.drag_perhaps) wxYield();
+
+ gs_currentDropSource = (wxDropSource*) NULL;
+
+ UnregisterWindow();
+
+ g_blockEventsOnDrag = FALSE;
+
+ return m_retValue;
+}
+
+void wxDropSource::RegisterWindow(void)
+{
+ if (!m_data) return;
+
+ wxString formats;
+
+ wxNode *node = m_data->m_dataObjects.First();
+ while (node)
+ {
+ wxDataObject* dobj = (wxDataObject*) node->Data();
+
+ switch (dobj->GetFormat().GetType())
+ {
+ case wxDF_TEXT:
+ {
+ formats += "text/plain";
+ break;
+ }
+ case wxDF_FILENAME:
+ {
+ formats += "file:ALL";
+ break;
+ }
+ case wxDF_PRIVATE:
+ {
+ wxPrivateDataObject* pdo = (wxPrivateDataObject*) m_data;
+ formats += pdo->GetId();
+ break;
+ }
+ default:
+ break;
+ }
+ node = node->Next();
+ }
+
+ char *str = WXSTRINGCAST formats;
+
+ gtk_widget_dnd_drag_set( m_widget, TRUE, &str, 1 );
+
+ 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, (gchar **) NULL, 0 );
+
+ gtk_signal_disconnect_by_data( GTK_OBJECT(m_widget), (gpointer)this );
+}
+
+
+/*
+ * Shaped Windows
+ */
+static GdkWindow *root_win = (GdkWindow*) NULL;
+
+typedef struct _cursoroffset {gint x,y;} CursorOffset;
+
+static void
+shape_pressed (GtkWidget *widget, GdkEventButton *event)
+{
+ CursorOffset *p;
+
+ /* ignore double and triple click */
+ if (event->type != GDK_BUTTON_PRESS)
+ return;
+
+ p = (CursorOffset *)gtk_object_get_user_data (GTK_OBJECT(widget));
+ p->x = (int) event->x;
+ p->y = (int) event->y;
+
+ gtk_grab_add (widget);
+ gdk_pointer_grab (widget->window, TRUE,
+ (GdkEventMask)
+ (GDK_BUTTON_RELEASE_MASK |
+ GDK_BUTTON_MOTION_MASK |
+ GDK_POINTER_MOTION_HINT_MASK),
+ (GdkWindow*)NULL,
+ (GdkCursor*) NULL, 0);
+}
+
+
+static void
+shape_released (GtkWidget *widget)
+{
+ gtk_grab_remove (widget);
+ gdk_pointer_ungrab (0);
+}
+
+static void
+shape_motion (GtkWidget *widget,
+ GdkEventMotion * /*event*/ )
+{
+ gint xp, yp;
+ CursorOffset * p;
+ GdkModifierType mask;
+
+ p = (CursorOffset *)gtk_object_get_user_data (GTK_OBJECT (widget));
+
+ /*
+ * Can't use event->x / event->y here
+ * because I need absolute coordinates.
+ */
+
+ gdk_window_get_pointer (root_win, &xp, &yp, &mask);
+ gtk_widget_set_uposition (widget, xp - p->x, yp - p->y);
+
+ if (gs_currentDropSource) gs_currentDropSource->GiveFeedback( wxDragCopy, FALSE );
+}
+
+GtkWidget *
+shape_create_icon (char **data,
+ gint x,
+ gint y,
+ gint px,
+ gint py,
+ gint window_type)
+{
+ GtkWidget *window;
+ GtkWidget *pixmap;
+ GtkWidget *fixed;
+ CursorOffset* icon_pos;
+ GdkGC* gc;
+ GdkBitmap *gdk_pixmap_mask;
+ GdkPixmap *gdk_pixmap;
+ GtkStyle *style;
+
+ style = gtk_widget_get_default_style ();
+ gc = style->black_gc;
+
+ /*
+ * GDK_WINDOW_TOPLEVEL works also, giving you a title border
+ */
+ window = gtk_window_new ((GtkWindowType)window_type);
+
+ fixed = gtk_fixed_new ();
+ gtk_widget_set_usize (fixed, 100,100);
+ gtk_container_add (GTK_CONTAINER (window), fixed);
+ gtk_widget_show (fixed);
+
+ gtk_widget_set_events (window,
+ gtk_widget_get_events (window) |
+ GDK_BUTTON_MOTION_MASK |
+ GDK_POINTER_MOTION_HINT_MASK |
+ GDK_BUTTON_PRESS_MASK);
+
+ gtk_widget_realize (window);
+
+ gdk_pixmap = gdk_pixmap_create_from_xpm_d (window->window, &gdk_pixmap_mask,
+ &style->bg[GTK_STATE_NORMAL],
+ (gchar**) data );
+
+ pixmap = gtk_pixmap_new (gdk_pixmap, gdk_pixmap_mask);
+ gtk_fixed_put (GTK_FIXED (fixed), pixmap, px,py);
+ gtk_widget_show (pixmap);
+
+ gtk_widget_shape_combine_mask (window, gdk_pixmap_mask, px,py);
+
+
+ gtk_signal_connect (GTK_OBJECT (window), "button_press_event",
+ GTK_SIGNAL_FUNC (shape_pressed),NULL);
+ gtk_signal_connect (GTK_OBJECT (window), "button_release_event",
+ GTK_SIGNAL_FUNC (shape_released),NULL);
+ gtk_signal_connect (GTK_OBJECT (window), "motion_notify_event",
+ GTK_SIGNAL_FUNC (shape_motion),NULL);
+
+ icon_pos = g_new (CursorOffset, 1);
+ gtk_object_set_user_data(GTK_OBJECT(window), icon_pos);
+
+ gtk_widget_set_uposition (window, x, y);
+ gtk_widget_show (window);
+
+ return window;
+}
+
+#endif
+ // NEW_GTK_DND_CODE
+
+#endif
+
+ // wxUSE_DRAG_AND_DROP
\ No newline at end of file
projects / wxWidgets.git / blobdiff