static void
e_minicard_label_realize (GnomeCanvasItem *item)
{
EMinicardLabel *e_minicard_label;
GnomeCanvasGroup *group;
e_minicard_label = E_MINICARD_LABEL (item);
group = GNOME_CANVAS_GROUP ( item );
if (GNOME_CANVAS_ITEM_CLASS ( parent_class )->realize)
(* GNOME_CANVAS_ITEM_CLASS ( parent_class )->realize) (item);
e_canvas_item_request_reflow (item);
e_minicard_label->rect =
gnome_canvas_item_new ( group,
gnome_canvas_rect_get_type (),
"x1", (double) 0,
"y1", (double) 0,
"x2", (double) e_minicard_label->width - 1,
"y2", (double) e_minicard_label->height - 1,
"outline_color", NULL,
NULL );
e_minicard_label->fieldname =
gnome_canvas_item_new ( group,
e_text_get_type (),
"clip_width", (double) ( e_minicard_label->width / 2 - 4 ),
"clip", TRUE,
"use_ellipsis", TRUE,
"fill_color", "black",
"draw_background", FALSE,
"im_context", E_CANVAS (item->canvas)->im_context,
NULL );
e_canvas_item_move_absolute (e_minicard_label->fieldname, 2, 1);
e_minicard_label->field =
gnome_canvas_item_new ( group,
e_text_get_type (),
"clip_width", (double) ( ( e_minicard_label->width + 1 ) / 2 - 4 ),
"clip", TRUE,
"use_ellipsis", TRUE,
"fill_color", "black",
"editable", FALSE, /* e_minicard_label->editable, */
"draw_background", FALSE,
"im_context", E_CANVAS (item->canvas)->im_context,
NULL );
e_canvas_item_move_absolute (e_minicard_label->field, ( e_minicard_label->width / 2 + 2), 1);
set_colors (e_minicard_label);
e_canvas_item_request_reflow (item);
}
static void
e_canvas_dispose (GObject *object)
{
ECanvas *canvas = E_CANVAS(object);
if (canvas->idle_id)
g_source_remove(canvas->idle_id);
canvas->idle_id = 0;
if (canvas->grab_cancelled_check_id)
g_source_remove (canvas->grab_cancelled_check_id);
canvas->grab_cancelled_check_id = 0;
if (canvas->toplevel) {
if (canvas->visibility_notify_id)
g_signal_handler_disconnect (canvas->toplevel,
canvas->visibility_notify_id);
canvas->visibility_notify_id = 0;
g_object_unref (canvas->toplevel);
canvas->toplevel = NULL;
}
if (canvas->im_context) {
g_object_unref (canvas->im_context);
canvas->im_context = NULL;
}
e_canvas_hide_tooltip(canvas);
if ((G_OBJECT_CLASS (e_canvas_parent_class))->dispose)
(*(G_OBJECT_CLASS (e_canvas_parent_class))->dispose) (object);
}
static gint
canvas_focus_out_event (GtkWidget *widget,
GdkEventFocus *event)
{
GnomeCanvas *canvas;
ECanvas *ecanvas;
GdkEvent full_event = { 0 };
canvas = GNOME_CANVAS (widget);
ecanvas = E_CANVAS (widget);
/* XXX Can't access flags directly anymore, but is it really needed?
* If so, could we call gtk_widget_send_focus_change() instead? */
#if 0
GTK_WIDGET_UNSET_FLAGS (widget, GTK_HAS_FOCUS);
#endif
gtk_im_context_focus_out (ecanvas->im_context);
if (canvas->focused_item) {
full_event.type = event->type;
full_event.focus_change = *event;
return canvas_emit_event (canvas, &full_event);
} else {
return FALSE;
}
}
static void
canvas_dispose (GObject *object)
{
ECanvas *canvas = E_CANVAS (object);
if (canvas->idle_id)
g_source_remove (canvas->idle_id);
canvas->idle_id = 0;
if (canvas->grab_cancelled_check_id)
g_source_remove (canvas->grab_cancelled_check_id);
canvas->grab_cancelled_check_id = 0;
if (canvas->toplevel) {
if (canvas->visibility_notify_id)
g_signal_handler_disconnect (
canvas->toplevel,
canvas->visibility_notify_id);
canvas->visibility_notify_id = 0;
g_object_unref (canvas->toplevel);
canvas->toplevel = NULL;
}
if (canvas->im_context) {
g_object_unref (canvas->im_context);
canvas->im_context = NULL;
}
/* Chain up to parent's dispose() method. */
G_OBJECT_CLASS (e_canvas_parent_class)->dispose (object);
}
void
e_canvas_item_request_reflow (GnomeCanvasItem *item)
{
if (item->object.flags & GNOME_CANVAS_ITEM_REALIZED) {
item->object.flags |= E_CANVAS_ITEM_NEEDS_REFLOW;
e_canvas_item_descendent_needs_reflow(item);
add_idle(E_CANVAS(item->canvas));
}
}
static void
e_canvas_realize (GtkWidget *widget)
{
ECanvas *ecanvas = E_CANVAS (widget);
if (GTK_WIDGET_CLASS (e_canvas_parent_class)->realize)
(* GTK_WIDGET_CLASS (e_canvas_parent_class)->realize) (widget);
gdk_window_set_back_pixmap (GTK_LAYOUT (widget)->bin_window, NULL, FALSE);
gtk_im_context_set_client_window (ecanvas->im_context, widget->window);
}
void
e_canvas_item_set_cursor (GnomeCanvasItem *item, gpointer id)
{
GList *list;
int flags;
ECanvas *canvas;
ECanvasSelectionInfo *info;
ECanvasItemSelectionFunc func;
g_return_if_fail(item != NULL);
g_return_if_fail(GNOME_IS_CANVAS_ITEM(item));
g_return_if_fail(item->canvas != NULL);
g_return_if_fail(E_IS_CANVAS(item->canvas));
canvas = E_CANVAS(item->canvas);
flags = E_CANVAS_ITEM_SELECTION_DELETE_DATA;
for (list = canvas->selection; list; list = g_list_next(list)) {
info = list->data;
func = (ECanvasItemSelectionFunc)g_object_get_data(G_OBJECT(info->item),
"ECanvasItem::selection_callback");
if (func)
func(info->item, flags, info->id);
g_message ("ECANVAS: free info (2): item %p, id %p",
info->item, info->id);
g_object_unref (info->item);
g_free(info);
}
g_list_free(canvas->selection);
canvas->selection = NULL;
gnome_canvas_item_grab_focus(item);
info = g_new(ECanvasSelectionInfo, 1);
info->item = item;
g_object_ref (info->item);
info->id = id;
g_message ("ECANVAS: new info item %p, id %p", item, id);
flags = E_CANVAS_ITEM_SELECTION_SELECT | E_CANVAS_ITEM_SELECTION_CURSOR;
func = (ECanvasItemSelectionFunc)g_object_get_data(G_OBJECT(item),
"ECanvasItem::selection_callback");
if (func)
func(item, flags, id);
canvas->selection = g_list_prepend(canvas->selection, info);
canvas->cursor = info;
}
static void
e_canvas_unrealize (GtkWidget *widget)
{
ECanvas * ecanvas = E_CANVAS (widget);
if (ecanvas->idle_id) {
g_source_remove(ecanvas->idle_id);
ecanvas->idle_id = 0;
}
gtk_im_context_set_client_window (ecanvas->im_context, NULL);
if (GTK_WIDGET_CLASS (e_canvas_parent_class)->unrealize)
(* GTK_WIDGET_CLASS (e_canvas_parent_class)->unrealize) (widget);
}
static void
canvas_realize (GtkWidget *widget)
{
ECanvas *ecanvas = E_CANVAS (widget);
GdkWindow *window;
/* Chain up to parent's realize() method. */
GTK_WIDGET_CLASS (e_canvas_parent_class)->realize (widget);
window = gtk_layout_get_bin_window (GTK_LAYOUT (widget));
gdk_window_set_background_pattern (window, NULL);
window = gtk_widget_get_window (widget);
gtk_im_context_set_client_window (ecanvas->im_context, window);
}
void
e_canvas_item_remove_selection (GnomeCanvasItem *item, gpointer id)
{
int flags;
ECanvas *canvas;
ECanvasSelectionInfo *info;
GList *list;
g_return_if_fail(item != NULL);
g_return_if_fail(GNOME_IS_CANVAS_ITEM(item));
g_return_if_fail(item->canvas != NULL);
g_return_if_fail(E_IS_CANVAS(item->canvas));
flags = E_CANVAS_ITEM_SELECTION_DELETE_DATA;
canvas = E_CANVAS(item->canvas);
for (list = canvas->selection; list; list = g_list_next(list)) {
info = list->data;
if (info->item == item) {
ECanvasItemSelectionCompareFunc compare_func;
compare_func = (ECanvasItemSelectionCompareFunc)g_object_get_data(G_OBJECT(info->item),
"ECanvasItem::selection_compare_callback");
if (compare_func(info->item, info->id, id, 0) == 0) {
ECanvasItemSelectionFunc func;
func = (ECanvasItemSelectionFunc) g_object_get_data(G_OBJECT(info->item),
"ECanvasItem::selection_callback");
if (func)
func(info->item, flags, info->id);
canvas->selection = g_list_remove_link(canvas->selection, list);
if (canvas->cursor == info)
canvas->cursor = NULL;
g_message ("ECANVAS: removing info: item %p, info %p",
info->item, info->id);
g_object_unref (info->item);
g_free(info);
g_list_free_1(list);
break;
}
}
}
}
/* Idle handler for the e-canvas. It deals with pending reflows. */
static gint
idle_handler (gpointer data)
{
ECanvas *canvas;
GDK_THREADS_ENTER();
canvas = E_CANVAS (data);
do_reflow (canvas);
/* Reset idle id */
canvas->idle_id = 0;
g_signal_emit (canvas,
e_canvas_signals [REFLOW], 0);
GDK_THREADS_LEAVE();
return FALSE;
}
/* Focus out handler for the canvas */
static gint
e_canvas_focus_out (GtkWidget *widget, GdkEventFocus *event)
{
GnomeCanvas *canvas;
ECanvas *ecanvas;
GdkEvent full_event;
canvas = GNOME_CANVAS (widget);
ecanvas = E_CANVAS (widget);
GTK_WIDGET_UNSET_FLAGS (widget, GTK_HAS_FOCUS);
gtk_im_context_focus_out (ecanvas->im_context);
if (canvas->focused_item) {
full_event.focus_change = *event;
return emit_event (canvas, &full_event);
} else {
return FALSE;
}
}
void
e_canvas_item_add_selection (GnomeCanvasItem *item, gpointer id)
{
int flags;
ECanvas *canvas;
ECanvasSelectionInfo *info;
ECanvasItemSelectionFunc func;
GList *list;
g_return_if_fail(item != NULL);
g_return_if_fail(GNOME_IS_CANVAS_ITEM(item));
g_return_if_fail(item->canvas != NULL);
g_return_if_fail(E_IS_CANVAS(item->canvas));
flags = E_CANVAS_ITEM_SELECTION_SELECT;
canvas = E_CANVAS(item->canvas);
if (canvas->cursor) {
func = (ECanvasItemSelectionFunc)g_object_get_data(G_OBJECT(canvas->cursor->item),
"ECanvasItem::selection_callback");
if (func)
func(canvas->cursor->item, flags, canvas->cursor->id);
}
gnome_canvas_item_grab_focus(item);
flags = E_CANVAS_ITEM_SELECTION_SELECT | E_CANVAS_ITEM_SELECTION_CURSOR;
for (list = canvas->selection; list; list = g_list_next(list)) {
ECanvasSelectionInfo *search;
search = list->data;
if (search->item == item) {
ECanvasItemSelectionCompareFunc compare_func;
compare_func = (ECanvasItemSelectionCompareFunc)g_object_get_data(G_OBJECT(search->item),
"ECanvasItem::selection_compare_callback");
if (compare_func(search->item, search->id, id, 0) == 0) {
canvas->cursor = search;
func = (ECanvasItemSelectionFunc)g_object_get_data(G_OBJECT(item),
"ECanvasItem::selection_callback");
if (func)
func(item, flags, search->id);
return;
}
}
}
info = g_new(ECanvasSelectionInfo, 1);
info->item = item;
g_object_ref (info->item);
info->id = id;
g_message ("ECANVAS: new info (2): item %p, id %p", item, id);
func = (ECanvasItemSelectionFunc)g_object_get_data(G_OBJECT(item),
"ECanvasItem::selection_callback");
if (func)
func(item, flags, id);
canvas->selection = g_list_prepend(canvas->selection, info);
canvas->cursor = info;
}