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gimp/app/widgets/gimptoolbutton.c

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/* GIMP - The GNU Image Manipulation Program
* Copyright (C) 1995 Spencer Kimball and Peter Mattis
*
* gimptoolbutton.c
* Copyright (C) 2020 Ell
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <https://www.gnu.org/licenses/>.
*/
#include "config.h"
#include <string.h>
#include <gegl.h>
#include <gtk/gtk.h>
#include "libgimpbase/gimpbase.h"
#include "libgimpmath/gimpmath.h"
#include "libgimpwidgets/gimpwidgets.h"
#include "widgets-types.h"
#include "core/gimp.h"
#include "core/gimp-gui.h"
#include "core/gimpcontainer.h"
#include "core/gimpcontext.h"
#include "core/gimptoolgroup.h"
#include "core/gimptoolinfo.h"
#include "actions/tools-commands.h"
#include "gimpaction.h"
#include "gimpdock.h"
#include "gimptoolbox.h"
#include "gimptoolbutton.h"
#include "gimpuimanager.h"
#include "gimpwidgets-utils.h"
#include "gimpwindowstrategy.h"
#define ARROW_SIZE 0.125 /* * 100% */
#define ARROW_BORDER 3 /* px */
#define MENU_TIMEOUT 250 /* milliseconds */
enum
{
PROP_0,
PROP_TOOLBOX,
PROP_TOOL_ITEM
};
struct _GimpToolButtonPrivate
{
GimpToolbox *toolbox;
GimpToolItem *tool_item;
GtkWidget *palette;
GtkWidget *menu;
GHashTable *menu_items;
gint menu_timeout_id;
GdkEvent *menu_timeout_event;
};
/* local function prototypes */
static void gimp_tool_button_constructed (GObject *object);
static void gimp_tool_button_dispose (GObject *object);
static void gimp_tool_button_set_property (GObject *object,
guint property_id,
const GValue *value,
GParamSpec *pspec);
static void gimp_tool_button_get_property (GObject *object,
guint property_id,
GValue *value,
GParamSpec *pspec);
static void gimp_tool_button_hierarchy_changed (GtkWidget *widget,
GtkWidget *previous_toplevel);
static gboolean gimp_tool_button_draw (GtkWidget *widget,
cairo_t *cr);
static void gimp_tool_button_toggled (GtkToggleToolButton *toggle_tool_button);
static gboolean gimp_tool_button_button_press (GtkWidget *widget,
GdkEventButton *event,
GimpToolButton *tool_button);
static gboolean gimp_tool_button_button_release (GtkWidget *widget,
GdkEventButton *event,
GimpToolButton *tool_button);
static gboolean gimp_tool_button_scroll (GtkWidget *widget,
GdkEventScroll *event,
GimpToolButton *tool_button);
static void gimp_tool_button_tool_changed (GimpContext *context,
GimpToolInfo *tool_info,
GimpToolButton *tool_button);
static void gimp_tool_button_active_tool_changed (GimpToolGroup *tool_group,
GimpToolButton *tool_button);
static void gimp_tool_button_tool_add (GimpContainer *container,
GimpToolInfo *tool_info,
GimpToolButton *tool_button);
static void gimp_tool_button_tool_remove (GimpContainer *container,
GimpToolInfo *tool_info,
GimpToolButton *tool_button);
static void gimp_tool_button_tool_reorder (GimpContainer *container,
GimpToolInfo *tool_info,
gint new_index,
GimpToolButton *tool_button);
static void gimp_tool_button_icon_size_notify (GtkToolPalette *palette,
const GParamSpec *pspec,
GimpToolButton *tool_button);
static void gimp_tool_button_menu_popped_up (GtkMenu *menu,
const GdkRectangle *flipped_rect,
const GdkRectangle *final_rect,
gboolean flipped_x,
gboolean flipped_y,
GimpToolButton *tool_button);
static void gimp_tool_button_menu_deactivate (GtkMenu *menu,
GimpToolButton *tool_button);
static gboolean gimp_tool_button_menu_timeout (GimpToolButton *tool_button);
static void gimp_tool_button_update (GimpToolButton *tool_button);
static void gimp_tool_button_update_toggled (GimpToolButton *tool_button);
static void gimp_tool_button_add_menu_item (GimpToolButton *tool_button,
GimpToolInfo *tool_info,
gint index);
static void gimp_tool_button_remove_menu_item (GimpToolButton *tool_button,
GimpToolInfo *tool_info);
static void gimp_tool_button_reconstruct_menu (GimpToolButton *tool_button);
static void gimp_tool_button_destroy_menu (GimpToolButton *tool_button);
static gboolean gimp_tool_button_show_menu (GimpToolButton *tool_button,
const GdkEvent *trigger_event);
static GimpAction * gimp_tool_button_get_action (GimpToolButton *tool_button,
GimpToolInfo *tool_info);
G_DEFINE_TYPE_WITH_PRIVATE (GimpToolButton, gimp_tool_button,
GTK_TYPE_TOGGLE_TOOL_BUTTON)
#define parent_class gimp_tool_button_parent_class
/* private functions */
static void
gimp_tool_button_class_init (GimpToolButtonClass *klass)
{
GObjectClass *object_class = G_OBJECT_CLASS (klass);
GtkWidgetClass *widget_class = GTK_WIDGET_CLASS (klass);
GtkToggleToolButtonClass *toggle_tool_button_class = GTK_TOGGLE_TOOL_BUTTON_CLASS (klass);
object_class->constructed = gimp_tool_button_constructed;
object_class->dispose = gimp_tool_button_dispose;
object_class->get_property = gimp_tool_button_get_property;
object_class->set_property = gimp_tool_button_set_property;
widget_class->hierarchy_changed = gimp_tool_button_hierarchy_changed;
widget_class->draw = gimp_tool_button_draw;
toggle_tool_button_class->toggled = gimp_tool_button_toggled;
g_object_class_install_property (object_class, PROP_TOOLBOX,
g_param_spec_object ("toolbox",
NULL, NULL,
GIMP_TYPE_TOOLBOX,
GIMP_PARAM_READWRITE |
G_PARAM_CONSTRUCT_ONLY));
g_object_class_install_property (object_class, PROP_TOOL_ITEM,
g_param_spec_object ("tool-item",
NULL, NULL,
GIMP_TYPE_TOOL_ITEM,
GIMP_PARAM_READWRITE));
}
static void
gimp_tool_button_init (GimpToolButton *tool_button)
{
tool_button->priv = gimp_tool_button_get_instance_private (tool_button);
}
static void
gimp_tool_button_constructed (GObject *object)
{
GimpToolButton *tool_button = GIMP_TOOL_BUTTON (object);
GimpContext *context;
G_OBJECT_CLASS (parent_class)->constructed (object);
context = gimp_toolbox_get_context (tool_button->priv->toolbox);
/* Make sure the toolbox buttons won't grab focus, which has
* nearly no practical use, and prevents various actions until
* you click back in canvas.
*/
gtk_widget_set_can_focus (gtk_bin_get_child (GTK_BIN (tool_button)), FALSE);
gtk_widget_add_events (gtk_bin_get_child (GTK_BIN (tool_button)),
GDK_SCROLL_MASK);
g_signal_connect (gtk_bin_get_child (GTK_BIN (tool_button)),
"button-press-event",
G_CALLBACK (gimp_tool_button_button_press),
tool_button);
g_signal_connect (gtk_bin_get_child (GTK_BIN (tool_button)),
"button-release-event",
G_CALLBACK (gimp_tool_button_button_release),
tool_button);
g_signal_connect (gtk_bin_get_child (GTK_BIN (tool_button)),
"scroll-event",
G_CALLBACK (gimp_tool_button_scroll),
tool_button);
g_signal_connect_object (context, "tool-changed",
G_CALLBACK (gimp_tool_button_tool_changed),
tool_button,
0);
gimp_tool_button_update (tool_button);
}
static void
gimp_tool_button_dispose (GObject *object)
{
GimpToolButton *tool_button = GIMP_TOOL_BUTTON (object);
gimp_tool_button_set_tool_item (tool_button, NULL);
G_OBJECT_CLASS (parent_class)->dispose (object);
}
static void
gimp_tool_button_set_property (GObject *object,
guint property_id,
const GValue *value,
GParamSpec *pspec)
{
GimpToolButton *tool_button = GIMP_TOOL_BUTTON (object);
switch (property_id)
{
case PROP_TOOLBOX:
tool_button->priv->toolbox = g_value_get_object (value);
break;
case PROP_TOOL_ITEM:
gimp_tool_button_set_tool_item (tool_button, g_value_get_object (value));
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);
break;
}
}
static void
gimp_tool_button_get_property (GObject *object,
guint property_id,
GValue *value,
GParamSpec *pspec)
{
GimpToolButton *tool_button = GIMP_TOOL_BUTTON (object);
switch (property_id)
{
case PROP_TOOLBOX:
g_value_set_object (value, tool_button->priv->toolbox);
break;
case PROP_TOOL_ITEM:
g_value_set_object (value, tool_button->priv->tool_item);
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);
break;
}
}
static void
gimp_tool_button_hierarchy_changed (GtkWidget *widget,
GtkWidget *previous_toplevel)
{
GimpToolButton *tool_button = GIMP_TOOL_BUTTON (widget);
GtkWidget *palette;
if (GTK_WIDGET_CLASS (parent_class)->hierarchy_changed)
{
GTK_WIDGET_CLASS (parent_class)->hierarchy_changed (widget,
previous_toplevel);
}
palette = gtk_widget_get_ancestor (GTK_WIDGET (tool_button),
GTK_TYPE_TOOL_PALETTE);
if (palette != tool_button->priv->palette)
{
if (tool_button->priv->palette)
{
g_signal_handlers_disconnect_by_func (
tool_button->priv->palette,
gimp_tool_button_icon_size_notify,
tool_button);
}
tool_button->priv->palette = palette;
if (tool_button->priv->palette)
{
g_signal_connect (
tool_button->priv->palette, "notify::icon-size",
G_CALLBACK (gimp_tool_button_icon_size_notify),
tool_button);
}
}
gimp_tool_button_update (tool_button);
gimp_tool_button_reconstruct_menu (tool_button);
}
static gboolean
gimp_tool_button_draw (GtkWidget *widget,
cairo_t *cr)
{
GimpToolButton *tool_button = GIMP_TOOL_BUTTON (widget);
if (GTK_WIDGET_CLASS (parent_class)->draw)
GTK_WIDGET_CLASS (parent_class)->draw (widget, cr);
if (GIMP_IS_TOOL_GROUP (tool_button->priv->tool_item))
{
GtkStyleContext *style = gtk_widget_get_style_context (widget);
GtkStateFlags state = gtk_widget_get_state_flags (widget);
GdkRGBA fg;
GtkAllocation allocation;
gint size;
gint x1, y1;
gint x2, y2;
gtk_style_context_get_color (style, state, &fg);
gtk_widget_get_allocation (widget, &allocation);
size = MIN (allocation.width, allocation.height);
x1 = SIGNED_ROUND (allocation.width -
(ARROW_BORDER + size * ARROW_SIZE));
y1 = SIGNED_ROUND (allocation.height -
(ARROW_BORDER + size * ARROW_SIZE));
x2 = SIGNED_ROUND (allocation.width - ARROW_BORDER);
y2 = SIGNED_ROUND (allocation.height - ARROW_BORDER);
cairo_save (cr);
cairo_move_to (cr, x2, y1);
cairo_line_to (cr, x2, y2);
cairo_line_to (cr, x1, y2);
cairo_close_path (cr);
gdk_cairo_set_source_rgba (cr, &fg);
cairo_fill (cr);
cairo_restore (cr);
}
return FALSE;
}
static void
gimp_tool_button_toggled (GtkToggleToolButton *toggle_tool_button)
{
GimpToolButton *tool_button = GIMP_TOOL_BUTTON (toggle_tool_button);
GimpContext *context;
GimpToolInfo *tool_info;
if (GTK_TOGGLE_TOOL_BUTTON_CLASS (parent_class)->toggled)
GTK_TOGGLE_TOOL_BUTTON_CLASS (parent_class)->toggled (toggle_tool_button);
context = gimp_toolbox_get_context (tool_button->priv->toolbox);
tool_info = gimp_tool_button_get_tool_info (tool_button);
if (tool_info)
{
if (gtk_toggle_tool_button_get_active (toggle_tool_button))
gimp_context_set_tool (context, tool_info);
else if (tool_info == gimp_context_get_tool (context))
gtk_toggle_tool_button_set_active (toggle_tool_button, TRUE);
}
else
{
gtk_toggle_tool_button_set_active (toggle_tool_button, FALSE);
}
}
static gboolean
gimp_tool_button_button_press (GtkWidget *widget,
GdkEventButton *event,
GimpToolButton *tool_button)
{
if (GIMP_IS_TOOL_GROUP (tool_button->priv->tool_item))
{
if (gdk_event_triggers_context_menu ((GdkEvent *) event) &&
gimp_tool_button_show_menu (tool_button, (GdkEvent *) event))
{
return TRUE;
}
else if (event->type == GDK_BUTTON_PRESS && event->button == 1 &&
! tool_button->priv->menu_timeout_id)
{
GdkEventButton *timeout_event;
timeout_event = (GdkEventButton *) gdk_event_copy (
(GdkEvent *) event);
timeout_event->time += MENU_TIMEOUT;
tool_button->priv->menu_timeout_event = (GdkEvent *) timeout_event;
tool_button->priv->menu_timeout_id = g_timeout_add (
MENU_TIMEOUT,
(GSourceFunc) gimp_tool_button_menu_timeout,
tool_button);
}
}
if (event->type == GDK_2BUTTON_PRESS && event->button == 1)
{
GimpContext *context;
GimpDock *dock;
context = gimp_toolbox_get_context (tool_button->priv->toolbox);
dock = GIMP_DOCK (tool_button->priv->toolbox);
gimp_window_strategy_show_dockable_dialog (
GIMP_WINDOW_STRATEGY (gimp_get_window_strategy (context->gimp)),
context->gimp,
gimp_dock_get_dialog_factory (dock),
gimp_widget_get_monitor (widget),
"gimp-tool-options");
return TRUE;
}
return FALSE;
}
static gboolean
gimp_tool_button_button_release (GtkWidget *widget,
GdkEventButton *event,
GimpToolButton *tool_button)
{
if (event->button == 1 && tool_button->priv->menu_timeout_id)
{
g_source_remove (tool_button->priv->menu_timeout_id);
tool_button->priv->menu_timeout_id = 0;
g_clear_pointer (&tool_button->priv->menu_timeout_event, gdk_event_free);
}
return FALSE;
}
static gboolean
gimp_tool_button_scroll (GtkWidget *widget,
GdkEventScroll *event,
GimpToolButton *tool_button)
{
GimpToolInfo *tool_info;
gint delta;
tool_info = gimp_tool_button_get_tool_info (tool_button);
switch (event->direction)
{
case GDK_SCROLL_UP:
delta = -1;
break;
case GDK_SCROLL_DOWN:
delta = +1;
break;
default:
return FALSE;
}
if (tool_info && GIMP_IS_TOOL_GROUP (tool_button->priv->tool_item))
{
GimpContainer *children;
gint n_children;
gint index;
gint i;
children = gimp_viewable_get_children (
GIMP_VIEWABLE (tool_button->priv->tool_item));
n_children = gimp_container_get_n_children (children);
index = gimp_container_get_child_index (children,
GIMP_OBJECT (tool_info));
for (i = 1; i < n_children; i++)
{
GimpToolInfo *new_tool_info;
gint new_index;
new_index = (index + i * delta) % n_children;
if (new_index < 0) new_index += n_children;
new_tool_info = GIMP_TOOL_INFO (
gimp_container_get_child_by_index (children, new_index));
if (gimp_tool_item_get_visible (GIMP_TOOL_ITEM (new_tool_info)))
{
gimp_tool_group_set_active_tool_info (
GIMP_TOOL_GROUP (tool_button->priv->tool_item), new_tool_info);
break;
}
}
}
return FALSE;
}
static void
gimp_tool_button_tool_changed (GimpContext *context,
GimpToolInfo *tool_info,
GimpToolButton *tool_button)
{
gimp_tool_button_update_toggled (tool_button);
}
static void
gimp_tool_button_active_tool_changed (GimpToolGroup *tool_group,
GimpToolButton *tool_button)
{
gimp_tool_button_update (tool_button);
}
static void
gimp_tool_button_tool_add (GimpContainer *container,
GimpToolInfo *tool_info,
GimpToolButton *tool_button)
{
gint index;
index = gimp_container_get_child_index (container, GIMP_OBJECT (tool_info));
gimp_tool_button_add_menu_item (tool_button, tool_info, index);
}
static void
gimp_tool_button_tool_remove (GimpContainer *container,
GimpToolInfo *tool_info,
GimpToolButton *tool_button)
{
gimp_tool_button_remove_menu_item (tool_button, tool_info);
}
static void
gimp_tool_button_tool_reorder (GimpContainer *container,
GimpToolInfo *tool_info,
gint new_index,
GimpToolButton *tool_button)
{
gimp_tool_button_remove_menu_item (tool_button, tool_info);
gimp_tool_button_add_menu_item (tool_button, tool_info, new_index);
}
static void
gimp_tool_button_icon_size_notify (GtkToolPalette *palette,
const GParamSpec *pspec,
GimpToolButton *tool_button)
{
gimp_tool_button_reconstruct_menu (tool_button);
}
static void
gimp_tool_button_menu_popped_up (GtkMenu *menu,
const GdkRectangle *flipped_rect,
const GdkRectangle *final_rect,
gboolean flipped_x,
gboolean flipped_y,
GimpToolButton *tool_button)
{
/* avoid initializing the selected tool */
tools_select_cmd_block_initialize ();
}
static gboolean
gimp_tool_button_menu_deactivate_idle (gpointer data)
{
tools_select_cmd_unblock_initialize ();
return G_SOURCE_REMOVE;
}
static void
gimp_tool_button_menu_deactivate (GtkMenu *menu,
GimpToolButton *tool_button)
{
g_idle_add (gimp_tool_button_menu_deactivate_idle, NULL);
}
static gboolean
gimp_tool_button_menu_timeout (GimpToolButton *tool_button)
{
GdkEvent *event = tool_button->priv->menu_timeout_event;
tool_button->priv->menu_timeout_id = 0;
tool_button->priv->menu_timeout_event = NULL;
gimp_tool_button_show_menu (tool_button, event);
gdk_event_free (event);
/* work around gtk not properly redrawing the button in the toggled state */
if (gtk_toggle_tool_button_get_active (GTK_TOGGLE_TOOL_BUTTON (tool_button)))
{
gtk_toggle_tool_button_set_active (GTK_TOGGLE_TOOL_BUTTON (tool_button),
FALSE);
}
return G_SOURCE_REMOVE;
}
static void
gimp_tool_button_update (GimpToolButton *tool_button)
{
GimpToolInfo *tool_info;
GimpAction *action;
tool_info = gimp_tool_button_get_tool_info (tool_button);
action = gimp_tool_button_get_action (tool_button, tool_info);
gtk_tool_button_set_icon_name (
GTK_TOOL_BUTTON (tool_button),
tool_info ? gimp_viewable_get_icon_name (GIMP_VIEWABLE (tool_info)) :
NULL);
if (action)
{
gimp_widget_set_accel_help (GTK_WIDGET (tool_button), action);
}
else if (tool_info)
{
gimp_help_set_help_data (GTK_WIDGET (tool_button),
tool_info->tooltip, tool_info->help_id);
}
else
{
gimp_help_set_help_data (GTK_WIDGET (tool_button), NULL, NULL);
}
gimp_tool_button_update_toggled (tool_button);
}
static void
gimp_tool_button_update_toggled (GimpToolButton *tool_button)
{
GimpContext *context;
GimpToolInfo *tool_info;
context = gimp_toolbox_get_context (tool_button->priv->toolbox);
tool_info = gimp_tool_button_get_tool_info (tool_button);
gtk_toggle_tool_button_set_active (
GTK_TOGGLE_TOOL_BUTTON (tool_button),
tool_info && tool_info == gimp_context_get_tool (context));
}
static void
gimp_tool_button_add_menu_item (GimpToolButton *tool_button,
GimpToolInfo *tool_info,
gint index)
{
GimpUIManager *ui_manager;
GimpAction *action;
GtkWidget *item;
GtkWidget *hbox;
GtkWidget *image;
GtkWidget *label;
GtkIconSize icon_size = GTK_ICON_SIZE_MENU;
ui_manager = gimp_dock_get_ui_manager (
GIMP_DOCK (tool_button->priv->toolbox));
action = gimp_tool_button_get_action (tool_button, tool_info);
if (tool_button->priv->palette)
{
icon_size = gtk_tool_palette_get_icon_size (
GTK_TOOL_PALETTE (tool_button->priv->palette));
}
item = gtk_menu_item_new ();
gtk_menu_shell_insert (GTK_MENU_SHELL (tool_button->priv->menu), item, index);
gtk_activatable_set_related_action (GTK_ACTIVATABLE (item),
GTK_ACTION (action));
gimp_help_set_help_data (item, tool_info->tooltip, tool_info->help_id);
g_object_bind_property (tool_info, "visible",
item, "visible",
G_BINDING_SYNC_CREATE);
g_object_set_data (G_OBJECT (item), "gimp-tool-info", tool_info);
gimp_gtk_container_clear (GTK_CONTAINER (item));
hbox = gtk_box_new (GTK_ORIENTATION_HORIZONTAL, 4);
gtk_container_add (GTK_CONTAINER (item), hbox);
gtk_widget_show (hbox);
image = gtk_image_new_from_icon_name (
gimp_viewable_get_icon_name (GIMP_VIEWABLE (tool_info)),
icon_size);
gtk_box_pack_start (GTK_BOX (hbox), image, FALSE, FALSE, 0);
gtk_widget_show (image);
label = gtk_accel_label_new (tool_info->label);
gtk_label_set_xalign (GTK_LABEL (label), 0.0);
gtk_box_pack_start (GTK_BOX (hbox), label, TRUE, TRUE, 0);
gtk_widget_show (label);
if (action)
{
gtk_accel_label_set_accel_closure (GTK_ACCEL_LABEL (label),
gimp_action_get_accel_closure (
action));
if (ui_manager)
{
g_signal_emit_by_name (ui_manager, "connect-proxy",
action, item);
}
}
g_hash_table_insert (tool_button->priv->menu_items, tool_info, item);
}
static void
gimp_tool_button_remove_menu_item (GimpToolButton *tool_button,
GimpToolInfo *tool_info)
{
GtkWidget *item;
item = g_hash_table_lookup (tool_button->priv->menu_items, tool_info);
gtk_container_remove (GTK_CONTAINER (tool_button->priv->menu), item);
g_hash_table_remove (tool_button->priv->menu_items, tool_info);
}
static void
gimp_tool_button_reconstruct_menu_add_menu_item (GimpToolInfo *tool_info,
GimpToolButton *tool_button)
{
gimp_tool_button_add_menu_item (tool_button, tool_info, -1);
}
static void
gimp_tool_button_reconstruct_menu (GimpToolButton *tool_button)
{
gimp_tool_button_destroy_menu (tool_button);
if (GIMP_IS_TOOL_GROUP (tool_button->priv->tool_item))
{
GimpUIManager *ui_manager;
GimpContainer *children;
ui_manager = gimp_dock_get_ui_manager (
GIMP_DOCK (tool_button->priv->toolbox));
children = gimp_viewable_get_children (
GIMP_VIEWABLE (tool_button->priv->tool_item));
tool_button->priv->menu = gtk_menu_new ();
gtk_menu_attach_to_widget (GTK_MENU (tool_button->priv->menu),
GTK_WIDGET (tool_button), NULL);
g_signal_connect (tool_button->priv->menu, "popped-up",
G_CALLBACK (gimp_tool_button_menu_popped_up),
tool_button);
g_signal_connect (tool_button->priv->menu, "deactivate",
G_CALLBACK (gimp_tool_button_menu_deactivate),
tool_button);
if (ui_manager)
{
gtk_menu_set_accel_group (
GTK_MENU (tool_button->priv->menu),
gimp_ui_manager_get_accel_group (ui_manager));
}
tool_button->priv->menu_items = g_hash_table_new (g_direct_hash,
g_direct_equal);
gimp_container_foreach (
children,
(GFunc) gimp_tool_button_reconstruct_menu_add_menu_item,
tool_button);
}
}
static void
gimp_tool_button_destroy_menu (GimpToolButton *tool_button)
{
if (tool_button->priv->menu)
{
gtk_menu_detach (GTK_MENU (tool_button->priv->menu));
tool_button->priv->menu = NULL;
g_clear_pointer (&tool_button->priv->menu_items, g_hash_table_unref);
if (tool_button->priv->menu_timeout_id)
{
g_source_remove (tool_button->priv->menu_timeout_id);
tool_button->priv->menu_timeout_id = 0;
g_clear_pointer (&tool_button->priv->menu_timeout_event,
gdk_event_free);
}
}
}
static gboolean
gimp_tool_button_show_menu (GimpToolButton *tool_button,
const GdkEvent *trigger_event)
{
if (! tool_button->priv->menu)
return FALSE;
gtk_menu_popup_at_widget (
GTK_MENU (tool_button->priv->menu),
GTK_WIDGET (tool_button),
GDK_GRAVITY_NORTH_EAST,
GDK_GRAVITY_NORTH_WEST,
trigger_event);
return TRUE;
}
static GimpAction *
gimp_tool_button_get_action (GimpToolButton *tool_button,
GimpToolInfo *tool_info)
{
GimpUIManager *ui_manager;
GimpAction *action = NULL;
ui_manager = gimp_dock_get_ui_manager (
GIMP_DOCK (tool_button->priv->toolbox));
if (ui_manager && tool_info)
{
gchar *name;
name = gimp_tool_info_get_action_name (tool_info);
action = gimp_ui_manager_find_action (ui_manager, "tools", name);
g_free (name);
}
return action;
}
/* public functions */
GtkToolItem *
gimp_tool_button_new (GimpToolbox *toolbox,
GimpToolItem *tool_item)
{
g_return_val_if_fail (GIMP_IS_TOOLBOX (toolbox), NULL);
g_return_val_if_fail (tool_item == NULL ||
GIMP_IS_TOOL_ITEM (tool_item), NULL);
return g_object_new (GIMP_TYPE_TOOL_BUTTON,
"toolbox", toolbox,
"tool-item", tool_item,
NULL);
}
GimpToolbox *
gimp_tool_button_get_toolbox (GimpToolButton *tool_button)
{
g_return_val_if_fail (GIMP_IS_TOOL_BUTTON (tool_button), NULL);
return tool_button->priv->toolbox;
}
void
gimp_tool_button_set_tool_item (GimpToolButton *tool_button,
GimpToolItem *tool_item)
{
g_return_if_fail (GIMP_IS_TOOL_BUTTON (tool_button));
g_return_if_fail (tool_item == NULL || GIMP_IS_TOOL_ITEM (tool_item));
if (tool_item != tool_button->priv->tool_item)
{
if (GIMP_IS_TOOL_GROUP (tool_button->priv->tool_item))
{
GimpContainer *children;
children = gimp_viewable_get_children (
GIMP_VIEWABLE (tool_button->priv->tool_item));
g_signal_handlers_disconnect_by_func (
tool_button->priv->tool_item,
gimp_tool_button_active_tool_changed,
tool_button);
g_signal_handlers_disconnect_by_func (
children,
gimp_tool_button_tool_add,
tool_button);
g_signal_handlers_disconnect_by_func (
children,
gimp_tool_button_tool_remove,
tool_button);
g_signal_handlers_disconnect_by_func (
children,
gimp_tool_button_tool_reorder,
tool_button);
gimp_tool_button_destroy_menu (tool_button);
}
g_set_object (&tool_button->priv->tool_item, tool_item);
if (GIMP_IS_TOOL_GROUP (tool_button->priv->tool_item))
{
GimpContainer *children;
children = gimp_viewable_get_children (
GIMP_VIEWABLE (tool_button->priv->tool_item));
g_signal_connect (
tool_button->priv->tool_item, "active-tool-changed",
G_CALLBACK (gimp_tool_button_active_tool_changed),
tool_button);
g_signal_connect (
children, "add",
G_CALLBACK (gimp_tool_button_tool_add),
tool_button);
g_signal_connect (
children, "remove",
G_CALLBACK (gimp_tool_button_tool_remove),
tool_button);
g_signal_connect (
children, "reorder",
G_CALLBACK (gimp_tool_button_tool_reorder),
tool_button);
gimp_tool_button_reconstruct_menu (tool_button);
}
gimp_tool_button_update (tool_button);
g_object_notify (G_OBJECT (tool_button), "tool-item");
}
}
GimpToolItem *
gimp_tool_button_get_tool_item (GimpToolButton *tool_button)
{
g_return_val_if_fail (GIMP_IS_TOOL_BUTTON (tool_button), NULL);
return tool_button->priv->tool_item;
}
GimpToolInfo *
gimp_tool_button_get_tool_info (GimpToolButton *tool_button)
{
g_return_val_if_fail (GIMP_IS_TOOL_BUTTON (tool_button), NULL);
if (tool_button->priv->tool_item)
{
if (GIMP_IS_TOOL_INFO (tool_button->priv->tool_item))
{
return GIMP_TOOL_INFO (tool_button->priv->tool_item);
}
else
{
return gimp_tool_group_get_active_tool_info (
GIMP_TOOL_GROUP (tool_button->priv->tool_item));
}
}
return NULL;
}
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