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Added wxPrivateDropTarget

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git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@1402 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
This commit is contained in:
Robert Roebling
1999-01-14 00:24:03 +00:00
parent bba6f3bd3c
commit ab8884aca6
9 changed files with 440 additions and 231 deletions
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278
src/gtk/dnd.cpp
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@@ -102,10 +102,10 @@ static void target_drag_data_received( GtkWidget *WXUNUSED(widget),
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;
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);
@@ -153,6 +153,7 @@ void wxDropTarget::RegisterWidget( GtkWidget *widget )
GtkTargetEntry format;
format.info = 0;
format.flags = 0;
char buf[100];
int valid = 0;
for ( size_t i = 0; i < GetFormatCount(); i++ )
@@ -168,6 +169,12 @@ void wxDropTarget::RegisterWidget( GtkWidget *widget )
format.target = "file:ALL";
valid++;
break;
case wxDF_PRIVATE:
wxPrivateDropTarget *pdt = (wxPrivateDropTarget *)this;
strcpy( buf, "applications/" );
strcat( buf, WXSTRINGCAST pdt->GetID() );
format.target = buf;
valid++;
default:
break;
}
@@ -478,9 +485,9 @@ static void gtk_target_callback( GtkWidget *widget,
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 );
/*
printf( "Drop data is of type %s.\n", event->data_type );
*/
target->OnDrop( x, y, (const void*)event->data, (size_t)event->data_numbytes );
}
@@ -523,22 +530,35 @@ void wxDropTarget::RegisterWidget( GtkWidget *widget )
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:
{
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 += "applications/";
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",
@@ -557,8 +577,10 @@ bool wxTextDropTarget::OnDrop( long x, long y, const void *data, size_t WXUNUSED
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;
}
@@ -572,6 +594,25 @@ wxDataFormat wxTextDropTarget::GetFormat(size_t WXUNUSED(n)) const
return wxDF_TEXT;
}
// ----------------------------------------------------------------------------
// wxPrivateDropTarget
// ----------------------------------------------------------------------------
wxPrivateDropTarget::wxPrivateDropTarget()
{
m_id = wxTheApp->GetAppName();
}
size_t wxPrivateDropTarget::GetFormatCount() const
{
return 1;
}
wxDataFormat wxPrivateDropTarget::GetFormat(size_t WXUNUSED(n)) const
{
return wxDF_PRIVATE;
}
// ----------------------------------------------------------------------------
// wxFileDropTarget
// ----------------------------------------------------------------------------
@@ -580,11 +621,13 @@ bool wxFileDropTarget::OnDropFiles( long x, long y, size_t nFiles, const char *
{
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;
}
@@ -641,6 +684,17 @@ void gtk_drag_callback( GtkWidget *widget, GdkEvent *event, wxDropSource *source
switch (data->GetFormat())
{
case wxDF_PRIVATE:
{
wxPrivateDataObject *pdo = (wxPrivateDataObject*) data;
gtk_widget_dnd_data_set( widget,
event,
(unsigned char*) pdo->GetData(),
(int) pdo->GetDataSize() );
break;
}
case wxDF_TEXT:
{
wxTextDataObject *text_object = (wxTextDataObject*) data;
@@ -684,62 +738,62 @@ void gtk_drag_callback( GtkWidget *widget, GdkEvent *event, wxDropSource *source
wxDropSource::wxDropSource( wxWindow *win )
{
g_blockEventsOnDrag = TRUE;
g_blockEventsOnDrag = TRUE;
m_window = win;
m_widget = win->m_widget;
if (win->m_wxwindow) m_widget = win->m_wxwindow;
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_data = (wxDataObject *) NULL;
m_retValue = wxDragCancel;
m_defaultCursor = wxCursor( wxCURSOR_NO_ENTRY );
m_goaheadCursor = wxCursor( wxCURSOR_HAND );
m_defaultCursor = wxCursor( wxCURSOR_NO_ENTRY );
m_goaheadCursor = wxCursor( wxCURSOR_HAND );
}
wxDropSource::wxDropSource( wxDataObject &data, wxWindow *win )
{
g_blockEventsOnDrag = TRUE;
g_blockEventsOnDrag = TRUE;
m_window = win;
m_widget = win->m_widget;
if (win->m_wxwindow) m_widget = win->m_wxwindow;
m_retValue = wxDragCancel;
m_window = win;
m_widget = win->m_widget;
if (win->m_wxwindow) m_widget = win->m_wxwindow;
m_retValue = wxDragCancel;
m_data = &data;
m_data = &data;
m_defaultCursor = wxCursor( wxCURSOR_NO_ENTRY );
m_goaheadCursor = wxCursor( wxCURSOR_HAND );
m_defaultCursor = wxCursor( wxCURSOR_NO_ENTRY );
m_goaheadCursor = wxCursor( wxCURSOR_HAND );
}
void wxDropSource::SetData( wxDataObject &data )
{
m_data = &data;
m_data = &data;
}
wxDropSource::~wxDropSource(void)
{
// if (m_data) delete m_data;
g_blockEventsOnDrag = FALSE;
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;
if (gdk_dnd.dnd_grabbed) return (wxDragResult) wxDragNone;
if (gdk_dnd.drag_really) return (wxDragResult) wxDragNone;
wxASSERT_MSG( m_data, "wxDragSource: no data" );
wxASSERT_MSG( m_data, "wxDragSource: no data" );
if (!m_data) return (wxDragResult) wxDragNone;
if (!m_data) return (wxDragResult) wxDragNone;
static GtkWidget *drag_icon = (GtkWidget*) NULL;
static GtkWidget *drop_icon = (GtkWidget*) NULL;
static GtkWidget *drag_icon = (GtkWidget*) NULL;
static GtkWidget *drop_icon = (GtkWidget*) NULL;
GdkPoint hotspot_1 = {0,-5 };
GdkPoint hotspot_1 = {0,-5 };
if (!drag_icon)
{
if (!drag_icon)
{
drag_icon = shape_create_icon ( gv_xpm,
440, 140, 0,0, GTK_WINDOW_POPUP);
@@ -748,12 +802,12 @@ wxDragResult wxDropSource::DoDragDrop( bool WXUNUSED(bAllowMove) )
&drag_icon);
gtk_widget_hide (drag_icon);
}
}
GdkPoint hotspot_2 = {-5,-5};
GdkPoint hotspot_2 = {-5,-5};
if (!drop_icon)
{
if (!drop_icon)
{
drop_icon = shape_create_icon ( page_xpm,
440, 140, 0,0, GTK_WINDOW_POPUP);
@@ -762,7 +816,7 @@ wxDragResult wxDropSource::DoDragDrop( bool WXUNUSED(bAllowMove) )
&drop_icon);
gtk_widget_hide (drop_icon);
}
}
gdk_dnd_set_drag_shape( drag_icon->window,
@@ -771,101 +825,107 @@ wxDragResult wxDropSource::DoDragDrop( bool WXUNUSED(bAllowMove) )
&hotspot_2);
GdkWindowPrivate *wp = (GdkWindowPrivate*) m_widget->window;
GdkWindowPrivate *wp = (GdkWindowPrivate*) m_widget->window;
RegisterWindow();
RegisterWindow();
gdk_dnd.drag_perhaps = TRUE;
gdk_dnd.drag_perhaps = TRUE;
gdk_dnd.dnd_drag_start.x = 5;
gdk_dnd.dnd_drag_start.y = 5;
gdk_dnd.real_sw = wp;
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;
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;
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 );
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;
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 );
gdk_event_put( (GdkEvent*)&ev );
XGrabPointer( gdk_display, wp->xwindow, False,
ButtonMotionMask | ButtonPressMask | ButtonReleaseMask | PointerMotionMask,
GrabModeAsync, GrabModeAsync, gdk_root_window, None, CurrentTime );
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_set_drag_cursors( m_defaultCursor.GetCursor(), m_goaheadCursor.GetCursor() );
gdk_dnd.dnd_grabbed = TRUE;
gdk_dnd.drag_really = 1;
gdk_dnd.dnd_grabbed = TRUE;
gdk_dnd.drag_really = 1;
int x = 0;
int y = 0;
wxGetMousePosition( &x, &y );
int x = 0;
int y = 0;
wxGetMousePosition( &x, &y );
gdk_dnd_display_drag_cursor( x, y, FALSE, TRUE );
gdk_dnd_display_drag_cursor( x, y, FALSE, TRUE );
/*
shape_motion( drag_icon, (GdkEventMotion *)NULL );
shape_motion( drop_icon, (GdkEventMotion *)NULL );
*/
while (gdk_dnd.drag_really || gdk_dnd.drag_perhaps) wxYield();
while (gdk_dnd.drag_really || gdk_dnd.drag_perhaps) wxYield();
UnregisterWindow();
UnregisterWindow();
g_blockEventsOnDrag = FALSE;
g_blockEventsOnDrag = FALSE;
return m_retValue;
return m_retValue;
}
void wxDropSource::RegisterWindow(void)
{
if (!m_data) return;
if (!m_data) return;
wxString formats;
wxString formats;
wxDataFormat df = m_data->GetFormat();
wxDataFormat df = m_data->GetFormat();
switch (df)
{
case wxDF_TEXT:
formats += "text/plain";
break;
case wxDF_FILENAME:
formats += "file:ALL";
break;
default:
break;
case wxDF_TEXT:
{
formats += "text/plain";
break;
}
case wxDF_FILENAME:
{
formats += "file:ALL";
break;
}
case wxDF_PRIVATE:
{
wxPrivateDataObject* pdo = (wxPrivateDataObject*) m_data;
formats += "applications/";
formats += pdo->GetId();
break;
}
default:
break;
}
char *str = WXSTRINGCAST formats;
char *str = WXSTRINGCAST formats;
gtk_widget_dnd_drag_set( m_widget, TRUE, &str, 1 );
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 );
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;
if (!m_widget) return;
gtk_widget_dnd_drag_set( m_widget, FALSE, (gchar **) NULL, 0 );
gtk_widget_dnd_drag_set( m_widget, FALSE, (gchar **) NULL, 0 );
gtk_signal_disconnect_by_data( GTK_OBJECT(m_widget), (gpointer)this );
gtk_signal_disconnect_by_data( GTK_OBJECT(m_widget), (gpointer)this );
}