/* Recomputes the bounding box of an icon text item */
static void
recompute_bounding_box (GnomeIconTextItem *iti)
{
GnomeCanvasItem *item;
double x1, y1, x2, y2;
int width_c, height_c;
int width_w, height_w;
int max_width_w;
item = GNOME_CANVAS_ITEM (iti);
width_c = iti->_priv->layout_width + 2 * MARGIN_X;
height_c = iti->_priv->layout_height + 2 * MARGIN_Y;
width_w = ROUND (width_c / item->canvas->pixels_per_unit);
height_w = ROUND (height_c / item->canvas->pixels_per_unit);
max_width_w = ROUND (iti->width / item->canvas->pixels_per_unit);
x1 = iti->x;
y1 = iti->y;
gnome_canvas_item_i2w (item, &x1, &y1);
x1 += ROUND ((max_width_w - width_w) / 2);
x2 = x1 + width_w;
y2 = y1 + height_w;
gnome_canvas_w2c_d (item->canvas, x1, y1, &item->x1, &item->y1);
gnome_canvas_w2c_d (item->canvas, x2, y2, &item->x2, &item->y2);
}
static gint
sp_canvas_arena_event (SPCanvasItem *item, GdkEvent *event)
{
SPCanvasArena *arena;
NRArenaItem *new_arena;
gint ret;
/* fixme: This sucks, we have to handle enter/leave notifiers */
arena = SP_CANVAS_ARENA (item);
ret = FALSE;
switch (event->type) {
case GDK_ENTER_NOTIFY:
if (!arena->cursor) {
if (arena->active) {
g_warning ("Cursor entered to arena with already active item");
nr_object_unref ((NRObject *) arena->active);
}
arena->cursor = TRUE;
#if 0
gnome_canvas_w2c_d (item->canvas, event->crossing.x, event->crossing.y, &arena->cx, &arena->cy);
#else
arena->cx = event->crossing.x;
arena->cy = event->crossing.y;
#endif
/* fixme: Not sure abut this, but seems the right thing (Lauris) */
nr_arena_item_invoke_update (arena->root, NULL, &arena->gc, NR_ARENA_ITEM_STATE_PICK, NR_ARENA_ITEM_STATE_NONE);
arena->active = nr_arena_item_invoke_pick (arena->root, arena->cx, arena->cy, nr_arena_global_delta, arena->sticky);
if (arena->active) nr_object_ref ((NRObject *) arena->active);
ret = sp_canvas_arena_send_event (arena, event);
}
break;
case GDK_LEAVE_NOTIFY:
if (arena->cursor) {
ret = sp_canvas_arena_send_event (arena, event);
if (arena->active) nr_object_unref ((NRObject *) arena->active);
arena->active = NULL;
arena->cursor = FALSE;
}
break;
case GDK_MOTION_NOTIFY:
#if 0
gnome_canvas_w2c_d (item->canvas, event->motion.x, event->motion.y, &arena->cx, &arena->cy);
#else
arena->cx = event->motion.x;
arena->cy = event->motion.y;
#endif
/* fixme: Not sure abut this, but seems the right thing (Lauris) */
nr_arena_item_invoke_update (arena->root, NULL, &arena->gc, NR_ARENA_ITEM_STATE_PICK, NR_ARENA_ITEM_STATE_NONE);
new_arena = nr_arena_item_invoke_pick (arena->root, arena->cx, arena->cy, nr_arena_global_delta, arena->sticky);
if (new_arena != arena->active) {
GdkEventCrossing ec;
ec.window = event->motion.window;
ec.send_event = event->motion.send_event;
ec.subwindow = event->motion.window;
ec.time = event->motion.time;
ec.x = event->motion.x;
ec.y = event->motion.y;
/* fixme: */
if (arena->active) {
ec.type = GDK_LEAVE_NOTIFY;
ret = sp_canvas_arena_send_event (arena, (GdkEvent *) &ec);
}
if (arena->active) nr_object_unref ((NRObject *) arena->active);
arena->active = new_arena;
if (arena->active) nr_object_ref ((NRObject *) arena->active);
if (arena->active) {
ec.type = GDK_ENTER_NOTIFY;
ret = sp_canvas_arena_send_event (arena, (GdkEvent *) &ec);
}
}
ret = sp_canvas_arena_send_event (arena, event);
break;
default:
/* Just send event */
ret = sp_canvas_arena_send_event (arena, event);
break;
}
return ret;
}
static gboolean
gnome_icon_text_item_event (GnomeCanvasItem *item, GdkEvent *event)
{
GnomeIconTextItem *iti;
GnomeIconTextItemPrivate *priv;
int idx;
double cx, cy;
iti = GNOME_ICON_TEXT_ITEM (item);
priv = iti->_priv;
switch (event->type) {
case GDK_KEY_PRESS:
if (!iti->editing) {
break;
}
switch(event->key.keyval) {
/* Pass these events back to parent */
case GDK_Escape:
case GDK_Return:
case GDK_KP_Enter:
return FALSE;
/* Handle up and down arrow keys. GdkEntry does not know
* how to handle multi line items */
case GDK_Up:
case GDK_Down:
iti_handle_arrow_key_event(iti, event);
break;
default:
/* Check for control key operations */
if (event->key.state & GDK_CONTROL_MASK) {
return FALSE;
}
/* Handle any events that reach us */
gtk_widget_event (GTK_WIDGET (priv->entry), event);
break;
}
/* Update text item to reflect changes */
update_pango_layout (iti);
priv->need_text_update = TRUE;
gnome_canvas_item_request_update (item);
return TRUE;
case GDK_BUTTON_PRESS:
if (!iti->editing) {
break;
}
if (event->button.button == 1) {
gnome_canvas_w2c_d (item->canvas, event->button.x, event->button.y, &cx, &cy);
idx = get_layout_index (iti,
(cx - item->x1) + MARGIN_X,
(cy - item->y1) + MARGIN_Y);
iti_start_selecting (iti, idx, event->button.time);
}
return TRUE;
case GDK_MOTION_NOTIFY:
if (!priv->selecting)
break;
gtk_widget_event (GTK_WIDGET (priv->entry), event);
gnome_canvas_w2c_d (item->canvas, event->button.x, event->button.y, &cx, &cy);
idx = get_layout_index (iti,
floor ((cx - (item->x1 + MARGIN_X)) + .5),
floor ((cy - (item->y1 + MARGIN_Y)) + .5));
iti_selection_motion (iti, idx);
return TRUE;
case GDK_BUTTON_RELEASE:
if (priv->selecting && event->button.button == 1)
iti_stop_selecting (iti, event->button.time);
else
break;
return TRUE;
default:
break;
}
return FALSE;
}
