static VALUE
rg_m_set_icon(int argc, VALUE *argv, VALUE self)
{
VALUE context, obj, pixmap = Qnil, mask = Qnil, hot_x, hot_y;
if (argc == 6) {
rb_scan_args(argc, argv, "60", &context, &obj, &pixmap, &mask, &hot_x, &hot_y);
gtk_drag_set_icon_pixmap(RVAL2DC(context),
GDK_COLORMAP(RVAL2GOBJ(obj)),
GDK_PIXMAP(RVAL2GOBJ(pixmap)),
GDK_BITMAP(RVAL2GOBJ(mask)),
NUM2INT(hot_x), NUM2INT(hot_y));
} else {
rb_scan_args(argc, argv, "40", &context, &obj, &hot_x, &hot_y);
if (TYPE(obj) == T_SYMBOL){
gtk_drag_set_icon_stock(RVAL2DC(context), rb_id2name(SYM2ID(obj)),
NUM2INT(hot_x), NUM2INT(hot_y));
} else if (rb_obj_is_kind_of(obj, GTYPE2CLASS(GTK_TYPE_WIDGET))){
gtk_drag_set_icon_widget(RVAL2DC(context), RVAL2WIDGET(obj),
NUM2INT(hot_x), NUM2INT(hot_y));
} else if (rb_obj_is_kind_of(obj, GTYPE2CLASS(GDK_TYPE_PIXBUF))){
gtk_drag_set_icon_pixbuf(RVAL2DC(context),
GDK_PIXBUF(RVAL2GOBJ(obj)),
NUM2INT(hot_x), NUM2INT(hot_y));
} else {
rb_raise(rb_eArgError, "invalid argument %s", rb_class2name(CLASS_OF(obj)));
}
}
return self;
}
static void
carrick_list_drag_begin (GtkWidget *widget,
GdkDragContext *context,
CarrickList *list)
{
CarrickListPrivate *priv = list->priv;
gint x, y;
carrick_service_item_set_active (CARRICK_SERVICE_ITEM (widget), FALSE);
/* save old place in list for drag-failures */
gtk_container_child_get (GTK_CONTAINER (priv->box),
widget,
"position", &priv->drag_position,
NULL);
priv->drop_position = priv->drag_position;
/* remove widget from list and setup dnd popup window */
priv->drag_window = gtk_window_new (GTK_WINDOW_POPUP);
gtk_widget_set_size_request (priv->drag_window,
widget->allocation.width,
widget->allocation.height);
gtk_widget_get_pointer (widget, &x, &y);
gtk_widget_reparent (widget, priv->drag_window);
gtk_drag_set_icon_widget (context,
priv->drag_window,
x, y);
}
static void
window_drag_begin (GtkWidget *widget,
GdkDragContext *context,
gpointer data)
{
GdkPixbuf *pixbuf;
GtkWidget *window;
GtkWidget *image;
int hotspot;
hotspot = GPOINTER_TO_INT (g_object_get_data (G_OBJECT (data), "hotspot"));
window = g_object_get_data (G_OBJECT (widget), "drag window");
if (window == NULL)
{
window = gtk_window_new (GTK_WINDOW_POPUP);
g_print ("creating new drag widget\n");
pixbuf = get_image_pixbuf (GTK_IMAGE (data));
image = gtk_image_new_from_pixbuf (pixbuf);
g_object_unref (pixbuf);
gtk_widget_show (image);
gtk_container_add (GTK_CONTAINER (window), image);
g_object_ref (window);
g_object_set_data (G_OBJECT (widget), "drag window", window);
g_signal_connect (window, "destroy", G_CALLBACK (window_destroyed), widget);
}
else
g_print ("reusing drag widget\n");
gtk_drag_set_icon_widget (context, window, 0, 0);
if (hotspot == CENTER)
g_signal_connect (widget, "drag-end", G_CALLBACK (window_drag_end), window);
}
static void
spinner_drag_begin (GtkWidget *widget,
GdkDragContext *context,
gpointer data)
{
GtkWidget *spinner;
g_print ("GtkWidget::drag-begin\n");
spinner = g_object_new (GTK_TYPE_SPINNER,
"visible", TRUE,
"active", TRUE,
NULL);
gtk_drag_set_icon_widget (context, spinner, 0, 0);
g_object_set_data (G_OBJECT (context), "spinner", spinner);
}
void wxDropSource::PrepareIcon( int action, GdkDragContext *context )
{
// get the right icon to display
wxIcon *icon = NULL;
if ( action & GDK_ACTION_MOVE )
icon = &m_iconMove;
else if ( action & GDK_ACTION_COPY )
icon = &m_iconCopy;
else
icon = &m_iconNone;
GdkBitmap *mask;
if ( icon->GetMask() )
mask = icon->GetMask()->GetBitmap();
else
mask = NULL;
GdkPixmap *pixmap = icon->GetPixmap();
gint width,height;
gdk_window_get_size (pixmap, &width, &height);
GdkColormap *colormap = gtk_widget_get_colormap( m_widget );
gtk_widget_push_visual (gdk_colormap_get_visual (colormap));
gtk_widget_push_colormap (colormap);
m_iconWindow = gtk_window_new (GTK_WINDOW_POPUP);
gtk_widget_set_events (m_iconWindow, GDK_BUTTON_PRESS_MASK | GDK_BUTTON_RELEASE_MASK);
gtk_widget_set_app_paintable (GTK_WIDGET (m_iconWindow), TRUE);
gtk_widget_pop_visual ();
gtk_widget_pop_colormap ();
gtk_widget_set_usize (m_iconWindow, width, height);
gtk_widget_realize (m_iconWindow);
gtk_signal_connect( GTK_OBJECT(m_iconWindow), "configure_event",
GTK_SIGNAL_FUNC(gtk_dnd_window_configure_callback), (gpointer)this );
gdk_window_set_back_pixmap (m_iconWindow->window, pixmap, FALSE);
if (mask)
gtk_widget_shape_combine_mask (m_iconWindow, mask, 0, 0);
gtk_drag_set_icon_widget( context, m_iconWindow, 0, 0 );
}
int
clip_GTK_DRAGSETICONWIDGET(ClipMachine * cm)
{
C_object *ccontext = _fetch_co_arg(cm);
C_widget *cwid = _fetch_cwidget(cm, _clip_spar(cm, 2));
gint hot_x = _clip_parni(cm, 3);
gint hot_y = _clip_parni(cm, 4);
CHECKCWID(cwid, GTK_IS_WIDGET);
if (!ccontext || ccontext->type != GDK_TYPE_DRAG_CONTEXT)
goto err;
CHECKARG(3, NUMERIC_t);
CHECKARG(4, NUMERIC_t);
gtk_drag_set_icon_widget((GdkDragContext*)ccontext->object,
GTK_WIDGET(cwid->widget),
hot_x, hot_y );
return 0;
err:
return 1;
}
static void
hand_display_drag_begin (GtkWidget *hand, GdkDragContext *dc, gpointer data /* unused */)
{
HandDisplay *handdisp = HAND_DISPLAY (hand);
assert (handdisp->cur_drag >= 0 && handdisp->cur_drag < 52);
handdisp->cards[handdisp->cur_drag] |= HAND_DISPLAY_INVISIBLE_CARD;
handdisp->cur_click = -1;
redraw_card (hand, handdisp->cur_drag);
/* create drag widget */
if (drag_win) { /* should be NULL, but happens sometimes */
gtk_widget_destroy (drag_win);
drag_win = NULL;
}
drag_win = gtk_window_new (GTK_WINDOW_POPUP);
GtkWidget *card = hand_display_new (HAND_DISPLAY_MODE_CARD);
hand_display_set_style (HAND_DISPLAY (card), handdisp->style);
hand_display_card_set_card (HAND_DISPLAY (card), handdisp->cur_drag);
gtk_container_add (GTK_CONTAINER (drag_win), card);
gtk_drag_set_icon_widget (dc, drag_win, 0, 0);
gtk_widget_show_all (drag_win);
}
static void
gimp_color_area_drag_begin (GtkWidget *widget,
GdkDragContext *context)
{
GimpRGB color;
GtkWidget *window;
GtkWidget *frame;
GtkWidget *color_area;
window = gtk_window_new (GTK_WINDOW_POPUP);
gtk_window_set_type_hint (GTK_WINDOW (window), GDK_WINDOW_TYPE_HINT_DND);
gtk_window_set_screen (GTK_WINDOW (window), gtk_widget_get_screen (widget));
gtk_widget_realize (window);
frame = gtk_frame_new (NULL);
gtk_frame_set_shadow_type (GTK_FRAME (frame), GTK_SHADOW_OUT);
gtk_container_add (GTK_CONTAINER (window), frame);
gimp_color_area_get_color (GIMP_COLOR_AREA (widget), &color);
color_area = gimp_color_area_new (&color,
GIMP_COLOR_AREA (widget)->type,
0);
gtk_widget_set_size_request (color_area,
DRAG_PREVIEW_SIZE, DRAG_PREVIEW_SIZE);
gtk_container_add (GTK_CONTAINER (frame), color_area);
gtk_widget_show (color_area);
gtk_widget_show (frame);
g_object_set_data_full (G_OBJECT (widget),
"gimp-color-area-drag-window",
window,
(GDestroyNotify) gtk_widget_destroy);
gtk_drag_set_icon_widget (context, window,
DRAG_ICON_OFFSET, DRAG_ICON_OFFSET);
}
void DragIcon::useForDrag(GdkDragContext* context, const IntPoint& hotspot)
{
gtk_drag_set_icon_widget(context, m_window, hotspot.x(), hotspot.y());
}
static void
gstyle_color_widget_drag_gesture_update (GtkGestureDrag *gesture,
gdouble offset_x,
gdouble offset_y,
GstyleColorWidget *self)
{
GdkDragContext *context;
GdkEventSequence *sequence;
const GdkEvent *event;
gdouble start_x, start_y;
GtkAllocation allocation;
GstylePaletteWidgetDndLockFlags dnd_lock;
GtkWidget *container;
GdkDragAction drag_action;
gint button;
g_assert (GTK_IS_GESTURE (gesture));
g_assert (GSTYLE_IS_COLOR_WIDGET (self));
dnd_lock = get_palette_widget_dnd_lock (self);
if ((dnd_lock & GSTYLE_PALETTE_WIDGET_DND_LOCK_FLAGS_DRAG) != 0)
return;
button = gtk_gesture_single_get_current_button (GTK_GESTURE_SINGLE (gesture));
if (!gtk_drag_check_threshold (GTK_WIDGET (self), 0, 0, offset_x, offset_y) ||
button != GDK_BUTTON_PRIMARY)
return;
gtk_widget_get_allocation (GTK_WIDGET (self), &allocation);
self->dnd_color_widget = gstyle_color_widget_copy (self);
if (self->filter_func != NULL && GSTYLE_IS_COLOR (self->filtered_color))
gstyle_color_widget_set_color (self->dnd_color_widget, self->filtered_color);
self->dnd_window = gtk_window_new (GTK_WINDOW_POPUP);
gtk_widget_set_size_request (self->dnd_window, allocation.width, allocation.height);
gtk_window_set_screen (GTK_WINDOW (self->dnd_window), gtk_widget_get_screen (GTK_WIDGET (self)));
gtk_container_add (GTK_CONTAINER (self->dnd_window), GTK_WIDGET (self->dnd_color_widget));
gtk_widget_show_all (self->dnd_window);
gtk_widget_set_opacity (self->dnd_window, GSTYLE_COLOR_WIDGET_DRAG_ICON_OPACITY);
sequence = gtk_gesture_single_get_current_sequence (GTK_GESTURE_SINGLE (gesture));
gtk_gesture_drag_get_start_point (GTK_GESTURE_DRAG (gesture), &start_x, &start_y);
event = gtk_gesture_get_last_event (GTK_GESTURE (gesture), sequence);
container = gtk_widget_get_ancestor (GTK_WIDGET (self), GSTYLE_TYPE_PALETTE_WIDGET);
if (container != NULL && GSTYLE_IS_PALETTE_WIDGET (container))
drag_action = (GDK_ACTION_MOVE | GDK_ACTION_COPY);
else
drag_action = GDK_ACTION_COPY;
context = gtk_drag_begin_with_coordinates (GTK_WIDGET (self),
self->target_list,
drag_action,
button,
(GdkEvent*)event,
start_x, start_y);
gtk_drag_set_icon_widget (context, self->dnd_window, 0, 0);
}
void wxDropSource::PrepareIcon( int action, GdkDragContext *context )
{
// get the right icon to display
wxIcon *icon = NULL;
if ( action & GDK_ACTION_MOVE )
icon = &m_iconMove;
else if ( action & GDK_ACTION_COPY )
icon = &m_iconCopy;
else
icon = &m_iconNone;
#ifndef __WXGTK3__
GdkBitmap *mask;
if ( icon->GetMask() )
mask = *icon->GetMask();
else
mask = NULL;
GdkPixmap *pixmap = icon->GetPixmap();
GdkColormap *colormap = gtk_widget_get_colormap( m_widget );
gtk_widget_push_colormap (colormap);
#endif
m_iconWindow = gtk_window_new (GTK_WINDOW_POPUP);
gtk_widget_set_events (m_iconWindow, GDK_BUTTON_PRESS_MASK | GDK_BUTTON_RELEASE_MASK);
gtk_widget_set_app_paintable (m_iconWindow, TRUE);
#ifdef __WXGTK3__
gtk_widget_set_visual(m_iconWindow, gtk_widget_get_visual(m_widget));
#else
gtk_widget_pop_colormap ();
#endif
gtk_widget_set_size_request (m_iconWindow, icon->GetWidth(), icon->GetHeight());
gtk_widget_realize (m_iconWindow);
g_signal_connect (m_iconWindow, "configure_event",
G_CALLBACK (gtk_dnd_window_configure_callback), this);
#ifdef __WXGTK3__
cairo_t* cr = gdk_cairo_create(gtk_widget_get_window(m_iconWindow));
icon->SetSourceSurface(cr, 0, 0);
cairo_pattern_t* pattern = cairo_get_source(cr);
gdk_window_set_background_pattern(gtk_widget_get_window(m_iconWindow), pattern);
cairo_destroy(cr);
cairo_surface_t* mask = NULL;
if (icon->GetMask())
mask = *icon->GetMask();
if (mask)
{
cairo_region_t* region = gdk_cairo_region_create_from_surface(mask);
gtk_widget_shape_combine_region(m_iconWindow, region);
cairo_region_destroy(region);
}
#else
gdk_window_set_back_pixmap(gtk_widget_get_window(m_iconWindow), pixmap, false);
if (mask)
gtk_widget_shape_combine_mask (m_iconWindow, mask, 0, 0);
#endif
gtk_drag_set_icon_widget( context, m_iconWindow, 0, 0 );
}