static void
gimp_display_shell_quick_mask_changed_handler (GimpImage *image,
GimpDisplayShell *shell)
{
GtkImage *gtk_image;
gboolean quick_mask_state;
gtk_image = GTK_IMAGE (gtk_bin_get_child (GTK_BIN (shell->quick_mask_button)));
g_signal_handlers_block_by_func (shell->quick_mask_button,
gimp_display_shell_quick_mask_toggled,
shell);
quick_mask_state = gimp_image_get_quick_mask_state (image);
gtk_toggle_button_set_active (GTK_TOGGLE_BUTTON (shell->quick_mask_button),
quick_mask_state);
if (quick_mask_state)
gtk_image_set_from_icon_name (gtk_image, GIMP_STOCK_QUICK_MASK_ON,
GTK_ICON_SIZE_MENU);
else
gtk_image_set_from_icon_name (gtk_image, GIMP_STOCK_QUICK_MASK_OFF,
GTK_ICON_SIZE_MENU);
g_signal_handlers_unblock_by_func (shell->quick_mask_button,
gimp_display_shell_quick_mask_toggled,
shell);
}
void
gimp_display_shell_quick_mask_toggled (GtkWidget *widget,
GimpDisplayShell *shell)
{
GimpImage *image = gimp_display_get_image (shell->display);
gboolean active = gtk_toggle_button_get_active (GTK_TOGGLE_BUTTON (widget));
if (active != gimp_image_get_quick_mask_state (image))
{
gimp_image_set_quick_mask_state (image, active);
gimp_image_flush (image);
}
}
void
quick_mask_toggle_cmd_callback (GtkAction *action,
gpointer data)
{
GimpImage *image;
gboolean active;
return_if_no_image (image, data);
active = gtk_toggle_action_get_active (GTK_TOGGLE_ACTION (action));
if (active != gimp_image_get_quick_mask_state (image))
{
gimp_image_set_quick_mask_state (image, active);
gimp_image_flush (image);
}
}
void
gimp_display_shell_quick_mask_toggled (GtkWidget *widget,
GimpDisplayShell *shell)
{
GimpImage *image = gimp_display_get_image (shell->display);
gboolean active = gtk_toggle_button_get_active (GTK_TOGGLE_BUTTON (widget));
if (active != gimp_image_get_quick_mask_state (image))
{
GimpImageWindow *window = gimp_display_shell_get_window (shell);
if (window)
{
GimpUIManager *manager = gimp_image_window_get_ui_manager (window);
gimp_ui_manager_toggle_action (manager,
"quick-mask", "quick-mask-toggle",
active);
}
}
}
void
gimp_image_set_quick_mask_state (GimpImage *image,
gboolean active)
{
GimpChannel *selection;
GimpChannel *mask;
gboolean channel_was_active;
g_return_if_fail (GIMP_IS_IMAGE (image));
if (active == gimp_image_get_quick_mask_state (image))
return;
/* Keep track of the state so that we can make the right drawable
* active again when deactiviting quick mask (see bug #134371).
*/
if (image->quick_mask_state)
channel_was_active = (image->quick_mask_state & CHANNEL_WAS_ACTIVE) != 0;
else
channel_was_active = gimp_image_get_active_channel (image) != NULL;
/* Set image->quick_mask_state early so we can return early when
* being called recursively.
*/
image->quick_mask_state = (active
? TRUE | (channel_was_active ?
CHANNEL_WAS_ACTIVE : 0)
: FALSE);
selection = gimp_image_get_mask (image);
mask = gimp_image_get_quick_mask (image);
if (active)
{
if (! mask)
{
gimp_image_undo_group_start (image, GIMP_UNDO_GROUP_IMAGE_QUICK_MASK,
_("Enable Quick Mask"));
if (gimp_channel_is_empty (selection))
{
/* if no selection */
GimpLayer *floating_sel = gimp_image_floating_sel (image);
if (floating_sel)
floating_sel_to_layer (floating_sel);
mask = gimp_channel_new (image,
image->width,
image->height,
GIMP_IMAGE_QUICK_MASK_NAME,
&image->quick_mask_color);
/* Clear the mask */
gimp_channel_clear (mask, NULL, FALSE);
}
else
{
/* if selection */
mask = GIMP_CHANNEL (gimp_item_duplicate (GIMP_ITEM (selection),
GIMP_TYPE_CHANNEL,
FALSE));
/* Clear the selection */
gimp_channel_clear (selection, NULL, TRUE);
gimp_channel_set_color (mask, &image->quick_mask_color, FALSE);
gimp_item_rename (GIMP_ITEM (mask), GIMP_IMAGE_QUICK_MASK_NAME);
}
if (image->quick_mask_inverted)
gimp_channel_invert (mask, FALSE);
gimp_image_add_channel (image, mask, 0);
gimp_image_undo_group_end (image);
}
}
else
{
if (mask)
{
GimpLayer *floating_sel = gimp_image_floating_sel (image);
gimp_image_undo_group_start (image, GIMP_UNDO_GROUP_IMAGE_QUICK_MASK,
_("Disable Quick Mask"));
if (image->quick_mask_inverted)
gimp_channel_invert (mask, TRUE);
if (floating_sel && floating_sel->fs.drawable == GIMP_DRAWABLE (mask))
floating_sel_anchor (floating_sel);
gimp_selection_load (gimp_image_get_mask (image), mask);
gimp_image_remove_channel (image, mask);
if (! channel_was_active)
gimp_image_unset_active_channel (image);
gimp_image_undo_group_end (image);
}
}
gimp_image_quick_mask_changed (image);
}
