// Author: Robert Roebling
// Id: $Id$
// Copyright: (c) 1998 Robert Roebling
-// Licence: wxWindows licence
+// Licence: wxWindows licence
///////////////////////////////////////////////////////////////////////////////
#ifdef __GNUG__
#include "gtk/gtk.h"
#include "gdk/gdkprivate.h"
-#include <X11/Xlib.h>
+#include "gtk/gtkdnd.h"
+#include "gtk/gtkselection.h"
+
+//-----------------------------------------------------------------------------
+// idle system
+//-----------------------------------------------------------------------------
+
+extern void wxapp_install_idle_handler();
+extern bool g_isIdle;
//----------------------------------------------------------------------------
// global data
/* XPM */
static char * gv_xpm[] = {
"40 34 3 1",
-" s None c None",
-". c black",
-"X c white",
+" s None c None",
+". c black",
+"X c white",
" ",
" ",
" ...... ",
" ",
" ",
" "};
-
+
/* 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",
+" s None c None",
+". c black",
+"X c wheat",
+"o c tan",
+"O c #6699FF",
/* pixels */
" ................... ",
" .XXXXXXXXXXXXXXXXX.. ",
" .XXXXXXXXXXXXXXXXXXXXXXX. ",
" .XXXXXXXXXXXXXXXXXXXXXXX. ",
" ......................... "};
-
-
-#if (GTK_MINOR_VERSION > 0)
-#include "gtk/gtkdnd.h"
-#include "gtk/gtkselection.h"
// ----------------------------------------------------------------------------
// ----------------------------------------------------------------------------
static void target_drag_leave( GtkWidget *WXUNUSED(widget),
- GdkDragContext *context,
- guint WXUNUSED(time),
- wxDropTarget *drop_target )
+ GdkDragContext *context,
+ guint WXUNUSED(time),
+ wxDropTarget *drop_target )
{
+ if (g_isIdle) wxapp_install_idle_handler();
+
/* inform the wxDropTarget about the current GdkDragContext.
this is only valid for the duration of this call */
drop_target->SetDragContext( context );
-
+
/* we don't need return values. this event is just for
information */
drop_target->OnLeave();
-
+
/* this has to be done because GDK has no "drag_enter" event */
drop_target->m_firstMotion = TRUE;
-
+
/* after this, invalidate the drop_target's GdkDragContext */
drop_target->SetDragContext( (GdkDragContext*) NULL );
}
// ----------------------------------------------------------------------------
static gboolean target_drag_motion( GtkWidget *WXUNUSED(widget),
- GdkDragContext *context,
- gint x,
- gint y,
- guint time,
- wxDropTarget *drop_target )
+ GdkDragContext *context,
+ gint x,
+ gint y,
+ guint time,
+ wxDropTarget *drop_target )
{
+ if (g_isIdle) wxapp_install_idle_handler();
+
/* Owen Taylor: "if the coordinates not in a drop zone,
return FALSE, otherwise call gtk_drag_status() and
return TRUE" */
-
+
/* inform the wxDropTarget about the current GdkDragContext.
this is only valid for the duration of this call */
drop_target->SetDragContext( context );
-
+
if (drop_target->m_firstMotion)
{
/* the first "drag_motion" event substitutes a "drag_enter" event */
- drop_target->OnEnter();
+ drop_target->OnEnter();
}
-
+
/* give program a chance to react (i.e. to say no by returning FALSE) */
bool ret = drop_target->OnMove( x, y );
-
+
/* we don't yet handle which "actions" (i.e. copy or move)
the target accepts. so far we simply accept the
suggested action. TODO. */
if (ret)
gdk_drag_status( context, context->suggested_action, time );
-
+
/* after this, invalidate the drop_target's GdkDragContext */
drop_target->SetDragContext( (GdkDragContext*) NULL );
-
+
/* this has to be done because GDK has no "drag_enter" event */
drop_target->m_firstMotion = FALSE;
-
+
return ret;
}
// ----------------------------------------------------------------------------
static gboolean target_drag_drop( GtkWidget *widget,
- GdkDragContext *context,
- gint x,
- gint y,
- guint time,
- wxDropTarget *drop_target )
+ GdkDragContext *context,
+ gint x,
+ gint y,
+ guint time,
+ wxDropTarget *drop_target )
{
+ if (g_isIdle) wxapp_install_idle_handler();
+
/* Owen Taylor: "if the drop is not in a drop zone,
return FALSE, otherwise, if you aren't accepting
the drop, call gtk_drag_finish() with success == FALSE
otherwise call gtk_drag_data_get()" */
// printf( "drop.\n" );
-
+
/* this seems to make a difference between not accepting
due to wrong target area and due to wrong format. let
us hope that this is not required.. */
-
+
/* inform the wxDropTarget about the current GdkDragContext.
this is only valid for the duration of this call */
drop_target->SetDragContext( context );
-
+
/* inform the wxDropTarget about the current drag widget.
this is only valid for the duration of this call */
drop_target->SetDragWidget( widget );
-
+
/* inform the wxDropTarget about the current drag time.
this is only valid for the duration of this call */
drop_target->SetDragTime( time );
-
+
bool ret = drop_target->OnDrop( x, y );
-
+
if (!ret)
{
/* cancel the whole thing */
gtk_drag_finish( context,
- FALSE, /* no success */
- FALSE, /* don't delete data on dropping side */
- time );
+ FALSE, /* no success */
+ FALSE, /* don't delete data on dropping side */
+ time );
}
-
+
/* after this, invalidate the drop_target's GdkDragContext */
drop_target->SetDragContext( (GdkDragContext*) NULL );
-
+
/* after this, invalidate the drop_target's drag widget */
drop_target->SetDragWidget( (GtkWidget*) NULL );
-
+
/* this has to be done because GDK has no "drag_enter" event */
drop_target->m_firstMotion = TRUE;
-
+
return ret;
}
// ----------------------------------------------------------------------------
static void target_drag_data_received( GtkWidget *WXUNUSED(widget),
- GdkDragContext *context,
- gint x,
- gint y,
- GtkSelectionData *data,
- guint WXUNUSED(info),
- guint time,
- wxDropTarget *drop_target )
+ GdkDragContext *context,
+ gint x,
+ gint y,
+ GtkSelectionData *data,
+ guint WXUNUSED(info),
+ guint time,
+ wxDropTarget *drop_target )
{
+ if (g_isIdle) wxapp_install_idle_handler();
+
/* Owen Taylor: "call gtk_drag_finish() with
success == TRUE" */
// printf( "data received.\n" );
-
+
if ((data->length <= 0) || (data->format != 8))
{
/* negative data length and non 8-bit data format
qualifies for junk */
gtk_drag_finish (context, FALSE, FALSE, time);
-
- return;
+
+// printf( "no data.\n" );
+
+ return;
}
-
+
/* inform the wxDropTarget about the current GtkSelectionData.
this is only valid for the duration of this call */
drop_target->SetDragData( data );
-
+
if (drop_target->OnData( x, y ))
{
- /* tell GTK that data transfer was successfull */
+ /* tell GTK that data transfer was successfull */
gtk_drag_finish( context, TRUE, FALSE, time );
}
else
{
- /* tell GTK that data transfer was not successfull */
+ /* tell GTK that data transfer was not successfull */
gtk_drag_finish( context, FALSE, FALSE, time );
}
-
+
/* after this, invalidate the drop_target's drag data */
drop_target->SetDragData( (GtkSelectionData*) NULL );
}
{
if (!m_dragContext) return FALSE;
if (!m_dragWidget) return FALSE;
-
+
+/*
+ wxPrintf( _T("format: %s.\n"), format.GetId().c_str() );
+ if (format.GetType() == wxDF_PRIVATE) wxPrintf( _T("private data.\n") );
+ if (format.GetType() == wxDF_TEXT) wxPrintf( _T("text data.\n") );
+*/
+
/* this should trigger an "drag_data_received" event */
- gtk_drag_get_data( m_dragWidget,
- m_dragContext,
- format.GetAtom(),
- m_dragTime );
-
+ gtk_drag_get_data( m_dragWidget,
+ m_dragContext,
+ format.GetAtom(),
+ m_dragTime );
+
return TRUE;
}
bool wxDropTarget::IsSupported( wxDataFormat format )
-{
+{
if (!m_dragContext) return FALSE;
-
+
GList *child = m_dragContext->targets;
while (child)
{
GdkAtom formatAtom = (GdkAtom) GPOINTER_TO_INT(child->data);
-
+
// char *name = gdk_atom_name( formatAtom );
// if (name) printf( "Format available: %s.\n", name );
-
+
if (formatAtom == format.GetAtom()) return TRUE;
child = child->next;
}
return FALSE;
}
-
+
bool wxDropTarget::GetData( wxDataObject *data_object )
{
if (!m_dragData) return FALSE;
-
+
if (m_dragData->target != data_object->GetFormat().GetAtom()) return FALSE;
-
+
if (data_object->GetFormat().GetType() == wxDF_TEXT)
{
wxTextDataObject *text_object = (wxTextDataObject*)data_object;
text_object->SetText( (const char*)m_dragData->data );
} else
-
+
if (data_object->GetFormat().GetType() == wxDF_FILENAME)
{
} else
-
+
if (data_object->GetFormat().GetType() == wxDF_PRIVATE)
{
- wxPrivateDataObject *priv_object = (wxPrivateDataObject*)data_object;
- priv_object->SetData( (const char*)m_dragData->data, (size_t)m_dragData->length );
+ wxPrivateDataObject *priv_object = (wxPrivateDataObject*)data_object;
+ priv_object->SetData( (const char*)m_dragData->data, (size_t)m_dragData->length );
}
-
+
return TRUE;
}
-
+
void wxDropTarget::UnregisterWidget( GtkWidget *widget )
{
- wxCHECK_RET( widget != NULL, "unregister widget is NULL" );
-
+ wxCHECK_RET( widget != NULL, _T("unregister widget is NULL") );
+
gtk_drag_dest_unset( widget );
-
+
gtk_signal_disconnect_by_func( GTK_OBJECT(widget),
- GTK_SIGNAL_FUNC(target_drag_leave), (gpointer) this );
+ 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_FUNC(target_drag_motion), (gpointer) this );
gtk_signal_disconnect_by_func( GTK_OBJECT(widget),
- GTK_SIGNAL_FUNC(target_drag_drop), (gpointer) this );
+ 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 );
+ GTK_SIGNAL_FUNC(target_drag_data_received), (gpointer) this );
}
void wxDropTarget::RegisterWidget( GtkWidget *widget )
{
- wxCHECK_RET( widget != NULL, "register widget is NULL" );
-
+ wxCHECK_RET( widget != NULL, _T("register widget is NULL") );
+
/* gtk_drag_dest_set() determines what default behaviour we'd like
GTK to supply. we don't want to specify out targets (=formats)
or actions in advance (i.e. not GTK_DEST_DEFAULT_MOTION and
not GTK_DEST_DEFAULT_DROP). instead we react individually to
"drag_motion" and "drag_drop" events. this makes it possible
- to allow dropping on only a small area. we should set
+ to allow dropping on only a small area. we should set
GTK_DEST_DEFAULT_HIGHLIGHT as this will switch on the nice
highlighting if dragging over standard controls, but this
seems to be broken without the other two. */
-
+
gtk_drag_dest_set( widget,
- (GtkDestDefaults) 0, /* no default behaviour */
- (GtkTargetEntry*) NULL, /* we don't supply any formats here */
- 0, /* number of targets = 0 */
- (GdkDragAction) 0 ); /* we don't supply any actions here */
-
+ (GtkDestDefaults) 0, /* no default behaviour */
+ (GtkTargetEntry*) NULL, /* we don't supply any formats here */
+ 0, /* number of targets = 0 */
+ (GdkDragAction) 0 ); /* we don't supply any actions here */
+
gtk_signal_connect( GTK_OBJECT(widget), "drag_leave",
- GTK_SIGNAL_FUNC(target_drag_leave), (gpointer) this );
+ 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_FUNC(target_drag_motion), (gpointer) this );
gtk_signal_connect( GTK_OBJECT(widget), "drag_drop",
- GTK_SIGNAL_FUNC(target_drag_drop), (gpointer) this );
+ 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 );
+ GTK_SIGNAL_FUNC(target_drag_data_received), (gpointer) this );
}
//-------------------------------------------------------------------------
if (IsSupported( wxDF_TEXT ))
{
RequestData( wxDF_TEXT );
- return TRUE;
+ return TRUE;
}
-
+
return FALSE;
}
{
wxTextDataObject data;
if (!GetData( &data )) return FALSE;
-
+
OnDropText( x, y, data.GetText() );
-
+
return TRUE;
}
bool wxPrivateDropTarget::OnDrop( int WXUNUSED(x), int WXUNUSED(y) )
{
if (!IsSupported( m_id ))
- {
+ {
RequestData( m_id );
return FALSE;
}
-
+
return FALSE;
}
bool wxPrivateDropTarget::OnData( int x, int y )
{
if (!IsSupported( m_id )) return FALSE;
-
+
wxPrivateDataObject data;
if (!GetData( &data )) return FALSE;
-
+
OnDropData( x, y, data.GetData(), data.GetSize() );
-
+
return TRUE;
}
if (IsSupported( wxDF_FILENAME ))
{
RequestData( wxDF_FILENAME );
- return TRUE;
+ return TRUE;
}
-
+
return FALSE;
}
size_t number = 0;
size_t i;
size_t size = data.GetFiles().Length();
- char *text = WXSTRINGCAST data.GetFiles();
+ wxChar *text = WXSTRINGCAST data.GetFiles();
for ( i = 0; i < size; i++)
if (text[i] == 0) number++;
if (number == 0) return FALSE;
-
- char **files = new char*[number];
-
+
+ wxChar **files = new wxChar*[number];
+
text = WXSTRINGCAST data.GetFiles();
for (i = 0; i < number; i++)
{
files[i] = text;
- int len = strlen( text );
+ int len = wxStrlen( text );
text += len+1;
}
- OnDropFiles( x, y, number, files );
-
+ OnDropFiles( x, y, number, files );
+
free( files );
-
+
return TRUE;
}
// "drag_data_get"
//----------------------------------------------------------------------------
-static void
+static void
source_drag_data_get (GtkWidget *WXUNUSED(widget),
- GdkDragContext *context,
- GtkSelectionData *selection_data,
- guint WXUNUSED(info),
- guint WXUNUSED(time),
- wxDropSource *drop_source )
+ GdkDragContext *context,
+ GtkSelectionData *selection_data,
+ guint WXUNUSED(info),
+ guint WXUNUSED(time),
+ wxDropSource *drop_source )
{
+ if (g_isIdle) wxapp_install_idle_handler();
+
+// printf( "Provide data!\n" );
+
// char *name = gdk_atom_name( selection_data->target );
// if (name) printf( "Format requested: %s.\n", name );
-
+
wxNode *node = drop_source->m_data->m_dataObjects.First();
while (node)
{
wxDataObject *data_object = (wxDataObject*) node->Data();
- if (data_object->GetFormat().GetAtom() == selection_data->target)
- {
- size_t data_size = data_object->GetSize();
- if (data_size > 0)
- {
- guchar *buffer = new guchar[data_size];
- data_object->WriteData( buffer );
-
+ if (data_object->GetFormat().GetAtom() == selection_data->target)
+ {
+// printf( "format found.\n" );
+
+ size_t data_size = data_object->GetSize();
+
+ if (data_size > 0)
+ {
+// printf( "data size: %d.\n", (int)data_size );
+
+ guchar *buffer = new guchar[data_size];
+ data_object->WriteData( buffer );
+
gtk_selection_data_set( selection_data,
- selection_data->target,
- 8, /* 8-bit */
- buffer,
- data_size );
-
- free( buffer );
-
- /* so far only copy, no moves. TODO. */
+ selection_data->target,
+ 8, // 8-bit
+ buffer,
+ data_size );
+
+ free( buffer );
+
+ /* so far only copy, no moves. TODO. */
drop_source->m_retValue = wxDragCopy;
-
- return;
- }
- }
-
+
+ return;
+ }
+ }
+
node = node->Next();
}
-
+
drop_source->m_retValue = wxDragCancel;
}
-
+
//----------------------------------------------------------------------------
// "drag_data_delete"
//----------------------------------------------------------------------------
static void source_drag_data_delete( GtkWidget *WXUNUSED(widget),
- GdkDragContext *WXUNUSED(context),
- wxDropSource *drop_source )
+ GdkDragContext *WXUNUSED(context),
+ wxDropSource *drop_source )
{
+ if (g_isIdle) wxapp_install_idle_handler();
+
// printf( "Delete the data!\n" );
drop_source->m_retValue = wxDragMove;
}
-
+
//----------------------------------------------------------------------------
// "drag_begin"
//----------------------------------------------------------------------------
static void source_drag_begin( GtkWidget *WXUNUSED(widget),
- GdkDragContext *WXUNUSED(context),
- wxDropSource *WXUNUSED(drop_source) )
+ GdkDragContext *WXUNUSED(context),
+ wxDropSource *WXUNUSED(drop_source) )
{
+ if (g_isIdle) wxapp_install_idle_handler();
+
// printf( "drag_begin.\n" );
}
-
+
//----------------------------------------------------------------------------
// "drag_end"
//----------------------------------------------------------------------------
static void source_drag_end( GtkWidget *WXUNUSED(widget),
- GdkDragContext *WXUNUSED(context),
- wxDropSource *drop_source )
+ GdkDragContext *WXUNUSED(context),
+ wxDropSource *drop_source )
{
+ if (g_isIdle) wxapp_install_idle_handler();
+
// printf( "drag_end.\n" );
drop_source->m_waiting = FALSE;
}
-
+
//---------------------------------------------------------------------------
// wxDropSource
//---------------------------------------------------------------------------
{
g_blockEventsOnDrag = TRUE;
m_waiting = 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 );
-
+
m_goIcon = go;
if (wxNullIcon == go) m_goIcon = wxIcon( page_xpm );
m_stopIcon = stop;
wxDropSource::wxDropSource( wxDataObject *data, wxWindow *win, const wxIcon &go, const wxIcon &stop )
{
m_waiting = 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 );
+ m_data->Add( data );
}
else
{
m_defaultCursor = wxCursor( wxCURSOR_NO_ENTRY );
m_goaheadCursor = wxCursor( wxCURSOR_HAND );
-
+
m_goIcon = go;
if (wxNullIcon == go) m_goIcon = wxIcon( page_xpm );
m_stopIcon = stop;
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 );
void wxDropSource::SetData( wxDataObject *data )
{
if (m_data) delete m_data;
-
+
if (data)
{
m_data = new wxDataBroker();
- m_data->Add( data );
+ m_data->Add( data );
}
else
{
void wxDropSource::SetData( wxDataBroker *data )
{
if (m_data) delete m_data;
-
+
m_data = data;
}
g_blockEventsOnDrag = FALSE;
}
-
+
wxDragResult wxDropSource::DoDragDrop( bool WXUNUSED(bAllowMove) )
{
- wxASSERT_MSG( m_data, "wxDragSource: no data" );
-
+ wxASSERT_MSG( m_data, _T("wxDragSource: no data") );
+
if (!m_data) return (wxDragResult) wxDragNone;
-
+
g_blockEventsOnDrag = TRUE;
-
+
RegisterWindow();
-
+
m_waiting = TRUE;
+ GdkAtom atom = gdk_atom_intern( "STRING", FALSE );
+// wxPrintf( _T("atom id: %d.\n"), (int)atom );
+
GtkTargetList *target_list = gtk_target_list_new( (GtkTargetEntry*) NULL, 0 );
- gtk_target_list_add( target_list, gdk_atom_intern( "STRING", FALSE ), 0, 0 );
-
+ gtk_target_list_add( target_list, atom, 0, 0 );
+
GdkEventMotion event;
event.window = m_widget->window;
int x = 0;
event.x = x;
event.y = y;
event.state = state;
-
+ event.time = 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;
{
GdkDragContext *context = gtk_drag_begin( m_widget,
target_list,
- GDK_ACTION_COPY,
- button_number, /* number of mouse button which started drag */
- (GdkEvent*) &event );
-
+ GDK_ACTION_COPY,
+ button_number, /* number of mouse button which started drag */
+ (GdkEvent*) &event );
+
wxMask *mask = m_goIcon.GetMask();
GdkBitmap *bm = (GdkBitmap *) NULL;
if (mask) bm = mask->GetBitmap();
- GdkPixmap *pm = m_goIcon.GetPixmap();
-
+ GdkPixmap *pm = m_goIcon.GetPixmap();
+
gtk_drag_set_icon_pixmap( context,
- gtk_widget_get_colormap( m_widget ),
- pm,
- bm,
- 0,
- 0 );
-
- gdk_flush();
-
- while (m_waiting) wxYield();
+ gtk_widget_get_colormap( m_widget ),
+ pm,
+ bm,
+ 0,
+ 0 );
+
+ while (m_waiting) gtk_main_iteration();;
}
g_blockEventsOnDrag = FALSE;
-
+
UnregisterWindow();
return m_retValue;
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_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_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_FUNC (source_drag_begin), (gpointer) this );
gtk_signal_connect (GTK_OBJECT(m_widget), "drag_end",
- GTK_SIGNAL_FUNC (source_drag_end), (gpointer) this );
+ 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_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_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_FUNC(source_drag_begin), (gpointer) this );
gtk_signal_disconnect_by_func( GTK_OBJECT(m_widget),
- GTK_SIGNAL_FUNC(source_drag_end), (gpointer) this );
-}
-
-
-#else // NEW_CODE
-
-//----------------------------------------------------------------------------
-// forward
-//----------------------------------------------------------------------------
-
-GtkWidget *shape_create_icon ( const wxIcon &shape,
- gint x,
- gint y,
- gint px,
- gint py,
- gint window_type);
-
-//-----------------------------------------------------------------------------
-// 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_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;
- size_t i;
- char *text = (char*) data;
- for ( i = 0; i < size; i++)
- if (text[i] == 0) number++;
-
- if (number == 0) return TRUE;
-
- char **files = new char*[number];
-
- text = (char*) data;
- for (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, const wxIcon &go, const wxIcon &stop )
-{
- 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 );
-
- m_goIcon = go;
- if (wxNullIcon == go) m_goIcon = wxIcon( page_xpm );
- m_stopIcon = stop;
- if (wxNullIcon == stop) m_stopIcon = wxIcon( gv_xpm );
-}
-
-wxDropSource::wxDropSource( wxDataObject *data, wxWindow *win, const wxIcon &go, const wxIcon &stop )
-{
- 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 );
-
- m_goIcon = go;
- if (wxNullIcon == go) m_goIcon = wxIcon( page_xpm );
- m_stopIcon = stop;
- if (wxNullIcon == stop) m_stopIcon = wxIcon( gv_xpm );
-}
-
-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 ( m_stopIcon,
- 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 ( m_goIcon,
- 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 (const wxIcon &shape,
- gint x,
- gint y,
- gint px,
- gint py,
- gint window_type)
-{
- /*
- * GDK_WINDOW_TOPLEVEL works also, giving you a title border
- */
- GtkWidget *window = gtk_window_new ((GtkWindowType)window_type);
-
- GtkWidget *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);
-
- GdkBitmap *mask = (GdkBitmap*) NULL;
- if (shape.GetMask()) mask = shape.GetMask()->GetBitmap();
-
- GtkWidget *pixmap = gtk_pixmap_new (shape.GetPixmap(), mask);
- gtk_fixed_put (GTK_FIXED (fixed), pixmap, px,py);
- gtk_widget_show (pixmap);
-
- gtk_widget_shape_combine_mask (window, 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);
-
- CursorOffset*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;
+ GTK_SIGNAL_FUNC(source_drag_end), (gpointer) this );
}
-#endif
- // NEW_GTK_DND_CODE
-
#endif
- // wxUSE_DRAG_AND_DROP
\ No newline at end of file
+ // wxUSE_DRAG_AND_DROP
projects / wxWidgets.git / blobdiff