PIKApp/app/widgets/pikaitemtreeview.c

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2023-09-26 00:35:21 +02:00
/* PIKA - Photo and Image Kooker Application
* a rebranding of The GNU Image Manipulation Program (created with heckimp)
* A derived work which may be trivial. However, any changes may be (C)2023 by Aldercone Studio
*
* Original copyright, applying to most contents (license remains unchanged):
* Copyright (C) 1995 Spencer Kimball and Peter Mattis
*
* pikaitemtreeview.c
* Copyright (C) 2001-2011 Michael Natterer <mitch@gimp.org>
*
* 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 "libpikamath/pikamath.h"
#include "libpikawidgets/pikawidgets.h"
#include "widgets-types.h"
#include "core/pika.h"
#include "core/pikachannel.h"
#include "core/pikacontainer.h"
#include "core/pikacontext.h"
#include "core/pikaimage.h"
#include "core/pikaimage-undo.h"
#include "core/pikaimage-undo-push.h"
#include "core/pikaitem-exclusive.h"
#include "core/pikaitemundo.h"
#include "core/pikatreehandler.h"
#include "core/pikaundostack.h"
#include "vectors/pikavectors.h"
#include "pikaaction.h"
#include "pikacontainertreestore.h"
#include "pikacontainerview.h"
#include "pikadnd.h"
#include "pikadocked.h"
#include "pikaitemtreeview.h"
#include "pikamenufactory.h"
#include "pikaviewrenderer.h"
#include "pikauimanager.h"
#include "pikawidgets-utils.h"
#include "pika-intl.h"
enum
{
SET_IMAGE,
LAST_SIGNAL
};
struct _PikaItemTreeViewPrivate
{
PikaImage *image;
GtkWidget *options_box;
GtkSizeGroup *options_group;
GtkWidget *eye_header_image;
GtkWidget *lock_header_image;
PikaItem *lock_box_item;
GtkTreePath *lock_box_path;
GtkWidget *lock_popover;
GtkWidget *lock_box;
GList *locks;
GtkWidget *new_button;
GtkWidget *raise_button;
GtkWidget *lower_button;
GtkWidget *duplicate_button;
GtkWidget *delete_button;
gint model_column_visible;
gint model_column_viewable;
gint model_column_locked;
gint model_column_lock_icon;
gint model_column_color_tag;
GtkCellRenderer *eye_cell;
GtkCellRenderer *lock_cell;
PikaTreeHandler *visible_changed_handler;
PikaTreeHandler *color_tag_changed_handler;
};
typedef struct
{
GtkWidget *toggle;
const gchar *icon_name;
PikaIsLockedFunc is_locked;
PikaCanLockFunc can_lock;
PikaSetLockFunc lock;
PikaUndoLockPush undo_push;
const gchar *tooltip;
const gchar *help_id;
/* Signal handling when lock is changed from core. */
const gchar *signal_name;
PikaTreeHandler *changed_handler;
/* Undo types and labels. */
PikaUndoType undo_type;
PikaUndoType group_undo_type;
const gchar *undo_lock_desc;
const gchar *undo_unlock_desc;
const gchar *undo_exclusive_desc;
} LockToggle;
static void pika_item_tree_view_view_iface_init (PikaContainerViewInterface *view_iface);
static void pika_item_tree_view_docked_iface_init (PikaDockedInterface *docked_iface);
static void pika_item_tree_view_constructed (GObject *object);
static void pika_item_tree_view_dispose (GObject *object);
static void pika_item_tree_view_style_updated (GtkWidget *widget);
static void pika_item_tree_view_real_set_image (PikaItemTreeView *view,
PikaImage *image);
static void pika_item_tree_view_image_flush (PikaImage *image,
gboolean invalidate_preview,
PikaItemTreeView *view);
static gboolean
pika_item_tree_view_image_flush_idle (gpointer user_data);
static void pika_item_tree_view_set_container (PikaContainerView *view,
PikaContainer *container);
static void pika_item_tree_view_set_context (PikaContainerView *view,
PikaContext *context);
static gpointer pika_item_tree_view_insert_item (PikaContainerView *view,
PikaViewable *viewable,
gpointer parent_insert_data,
gint index);
static void pika_item_tree_view_insert_items_after (PikaContainerView *view);
static gboolean pika_item_tree_view_select_items (PikaContainerView *view,
GList *items,
GList *paths);
static void pika_item_tree_view_activate_item (PikaContainerView *view,
PikaViewable *item,
gpointer insert_data);
static gboolean pika_item_tree_view_drop_possible (PikaContainerTreeView *view,
PikaDndType src_type,
GList *src_viewables,
PikaViewable *dest_viewable,
GtkTreePath *drop_path,
GtkTreeViewDropPosition drop_pos,
GtkTreeViewDropPosition *return_drop_pos,
GdkDragAction *return_drag_action);
static void pika_item_tree_view_drop_viewables (PikaContainerTreeView *view,
GList *src_viewables,
PikaViewable *dest_viewable,
GtkTreeViewDropPosition drop_pos);
static void pika_item_tree_view_new_dropped (GtkWidget *widget,
gint x,
gint y,
PikaViewable *viewable,
gpointer data);
static void pika_item_tree_view_new_list_dropped (GtkWidget *widget,
gint x,
gint y,
GList *viewables,
gpointer data);
static void pika_item_tree_view_item_changed (PikaImage *image,
PikaItemTreeView *view);
static void pika_item_tree_view_size_changed (PikaImage *image,
PikaItemTreeView *view);
static void pika_item_tree_view_name_edited (GtkCellRendererText *cell,
const gchar *path,
const gchar *new_name,
PikaItemTreeView *view);
static void pika_item_tree_view_visible_changed (PikaItem *item,
PikaItemTreeView *view);
static void pika_item_tree_view_color_tag_changed (PikaItem *item,
PikaItemTreeView *view);
static void pika_item_tree_view_lock_changed (PikaItem *item,
PikaItemTreeView *view);
static void pika_item_tree_view_eye_clicked (GtkCellRendererToggle *toggle,
gchar *path,
GdkModifierType state,
PikaItemTreeView *view);
static void pika_item_tree_view_lock_clicked (GtkCellRendererToggle *toggle,
gchar *path,
GdkModifierType state,
PikaItemTreeView *view);
static gboolean pika_item_tree_view_lock_button_release (GtkWidget *widget,
GdkEvent *event,
PikaItemTreeView *view);
static void pika_item_tree_view_lock_toggled (GtkWidget *widget,
PikaItemTreeView *view);
static void pika_item_tree_view_update_lock_box (PikaItemTreeView *view,
PikaItem *item,
GtkTreePath *path);
static gboolean pika_item_tree_view_popover_button_press (GtkWidget *widget,
GdkEvent *event,
PikaItemTreeView *view);
static gboolean pika_item_tree_view_item_pre_clicked(PikaCellRendererViewable *cell,
const gchar *path_str,
GdkModifierType state,
PikaItemTreeView *item_view);
static void pika_item_tree_view_row_expanded (GtkTreeView *tree_view,
GtkTreeIter *iter,
GtkTreePath *path,
PikaItemTreeView *item_view);
static gint pika_item_tree_view_get_n_locks (PikaItemTreeView *view,
PikaItem *item,
const gchar **icon_name);
G_DEFINE_TYPE_WITH_CODE (PikaItemTreeView, pika_item_tree_view,
PIKA_TYPE_CONTAINER_TREE_VIEW,
G_ADD_PRIVATE (PikaItemTreeView)
G_IMPLEMENT_INTERFACE (PIKA_TYPE_CONTAINER_VIEW,
pika_item_tree_view_view_iface_init)
G_IMPLEMENT_INTERFACE (PIKA_TYPE_DOCKED,
pika_item_tree_view_docked_iface_init))
#define parent_class pika_item_tree_view_parent_class
static PikaContainerViewInterface *parent_view_iface = NULL;
static guint view_signals[LAST_SIGNAL] = { 0 };
static void
pika_item_tree_view_class_init (PikaItemTreeViewClass *klass)
{
GObjectClass *object_class = G_OBJECT_CLASS (klass);
GtkWidgetClass *widget_class = GTK_WIDGET_CLASS (klass);
PikaContainerTreeViewClass *tree_view_class;
tree_view_class = PIKA_CONTAINER_TREE_VIEW_CLASS (klass);
view_signals[SET_IMAGE] =
g_signal_new ("set-image",
G_TYPE_FROM_CLASS (klass),
G_SIGNAL_RUN_LAST,
G_STRUCT_OFFSET (PikaItemTreeViewClass, set_image),
NULL, NULL, NULL,
G_TYPE_NONE, 1,
PIKA_TYPE_OBJECT);
object_class->constructed = pika_item_tree_view_constructed;
object_class->dispose = pika_item_tree_view_dispose;
widget_class->style_updated = pika_item_tree_view_style_updated;
tree_view_class->drop_possible = pika_item_tree_view_drop_possible;
tree_view_class->drop_viewables = pika_item_tree_view_drop_viewables;
klass->set_image = pika_item_tree_view_real_set_image;
klass->item_type = G_TYPE_NONE;
klass->signal_name = NULL;
klass->get_container = NULL;
klass->get_selected_items = NULL;
klass->set_selected_items = NULL;
klass->add_item = NULL;
klass->remove_item = NULL;
klass->new_item = NULL;
klass->action_group = NULL;
klass->new_action = NULL;
klass->new_default_action = NULL;
klass->raise_action = NULL;
klass->raise_top_action = NULL;
klass->lower_action = NULL;
klass->lower_bottom_action = NULL;
klass->duplicate_action = NULL;
klass->delete_action = NULL;
klass->lock_content_icon_name = NULL;
klass->lock_content_tooltip = NULL;
klass->lock_content_help_id = NULL;
klass->lock_position_icon_name = NULL;
klass->lock_position_tooltip = NULL;
klass->lock_position_help_id = NULL;
klass->lock_visibility_icon_name = NULL;
klass->lock_visibility_tooltip = NULL;
klass->lock_visibility_help_id = NULL;
}
static void
pika_item_tree_view_view_iface_init (PikaContainerViewInterface *iface)
{
parent_view_iface = g_type_interface_peek_parent (iface);
iface->set_container = pika_item_tree_view_set_container;
iface->set_context = pika_item_tree_view_set_context;
iface->insert_item = pika_item_tree_view_insert_item;
iface->insert_items_after = pika_item_tree_view_insert_items_after;
iface->select_items = pika_item_tree_view_select_items;
iface->activate_item = pika_item_tree_view_activate_item;
}
static void
pika_item_tree_view_docked_iface_init (PikaDockedInterface *iface)
{
iface->get_preview = NULL;
}
static void
pika_item_tree_view_init (PikaItemTreeView *view)
{
PikaContainerTreeView *tree_view = PIKA_CONTAINER_TREE_VIEW (view);
view->priv = pika_item_tree_view_get_instance_private (view);
view->priv->model_column_visible =
pika_container_tree_store_columns_add (tree_view->model_columns,
&tree_view->n_model_columns,
G_TYPE_BOOLEAN);
view->priv->model_column_viewable =
pika_container_tree_store_columns_add (tree_view->model_columns,
&tree_view->n_model_columns,
G_TYPE_BOOLEAN);
view->priv->model_column_locked =
pika_container_tree_store_columns_add (tree_view->model_columns,
&tree_view->n_model_columns,
G_TYPE_BOOLEAN);
view->priv->model_column_lock_icon =
pika_container_tree_store_columns_add (tree_view->model_columns,
&tree_view->n_model_columns,
G_TYPE_STRING);
view->priv->model_column_color_tag =
pika_container_tree_store_columns_add (tree_view->model_columns,
&tree_view->n_model_columns,
GDK_TYPE_RGBA);
pika_container_tree_view_set_dnd_drop_to_empty (tree_view, TRUE);
view->priv->image = NULL;
}
static void
pika_item_tree_view_constructed (GObject *object)
{
PikaItemTreeViewClass *item_view_class = PIKA_ITEM_TREE_VIEW_GET_CLASS (object);
PikaEditor *editor = PIKA_EDITOR (object);
PikaContainerTreeView *tree_view = PIKA_CONTAINER_TREE_VIEW (object);
PikaItemTreeView *item_view = PIKA_ITEM_TREE_VIEW (object);
GtkTreeViewColumn *column;
GtkWidget *image;
GtkIconSize button_icon_size = GTK_ICON_SIZE_SMALL_TOOLBAR;
gint pixel_icon_size = 16;
gint button_spacing;
G_OBJECT_CLASS (parent_class)->constructed (object);
gtk_tree_view_set_headers_visible (tree_view->view, TRUE);
gtk_widget_style_get (GTK_WIDGET (item_view),
"button-icon-size", &button_icon_size,
"button-spacing", &button_spacing,
NULL);
gtk_icon_size_lookup (button_icon_size, &pixel_icon_size, NULL);
pika_container_tree_view_connect_name_edited (tree_view,
G_CALLBACK (pika_item_tree_view_name_edited),
item_view);
g_signal_connect (tree_view->view, "row-expanded",
G_CALLBACK (pika_item_tree_view_row_expanded),
tree_view);
g_signal_connect (tree_view->renderer_cell, "pre-clicked",
G_CALLBACK (pika_item_tree_view_item_pre_clicked),
item_view);
column = gtk_tree_view_column_new ();
image = gtk_image_new_from_icon_name (PIKA_ICON_VISIBLE, button_icon_size);
gtk_tree_view_column_set_widget (column, image);
gtk_widget_show (image);
gtk_tree_view_insert_column (tree_view->view, column, 0);
item_view->priv->eye_header_image = image;
item_view->priv->eye_cell = pika_cell_renderer_toggle_new (PIKA_ICON_VISIBLE);
g_object_set (item_view->priv->eye_cell,
"xpad", 0,
"ypad", 0,
"icon-size", pixel_icon_size,
"override-background", TRUE,
NULL);
gtk_tree_view_column_pack_start (column, item_view->priv->eye_cell, FALSE);
gtk_tree_view_column_set_attributes (column, item_view->priv->eye_cell,
"active",
item_view->priv->model_column_visible,
"inconsistent",
item_view->priv->model_column_viewable,
"cell-background-rgba",
item_view->priv->model_column_color_tag,
NULL);
pika_container_tree_view_add_toggle_cell (tree_view,
item_view->priv->eye_cell);
g_signal_connect (item_view->priv->eye_cell, "clicked",
G_CALLBACK (pika_item_tree_view_eye_clicked),
item_view);
column = gtk_tree_view_column_new ();
image = gtk_image_new_from_icon_name (PIKA_ICON_LOCK, button_icon_size);
gtk_tree_view_column_set_widget (column, image);
gtk_widget_show (image);
gtk_tree_view_insert_column (tree_view->view, column, 1);
item_view->priv->lock_header_image = image;
item_view->priv->lock_cell = pika_cell_renderer_toggle_new (PIKA_ICON_LOCK_MULTI);
g_object_set (item_view->priv->lock_cell,
"xpad", 0,
"ypad", 0,
"icon-size", pixel_icon_size,
NULL);
gtk_tree_view_column_pack_start (column, item_view->priv->lock_cell, FALSE);
gtk_tree_view_column_set_attributes (column, item_view->priv->lock_cell,
"active",
item_view->priv->model_column_locked,
"icon-name",
item_view->priv->model_column_lock_icon,
NULL);
pika_container_tree_view_add_toggle_cell (tree_view,
item_view->priv->lock_cell);
g_signal_connect (item_view->priv->lock_cell, "clicked",
G_CALLBACK (pika_item_tree_view_lock_clicked),
item_view);
/* disable the default PikaContainerView drop handler */
pika_container_view_set_dnd_widget (PIKA_CONTAINER_VIEW (item_view), NULL);
pika_dnd_drag_dest_set_by_type (GTK_WIDGET (tree_view->view),
GTK_DEST_DEFAULT_HIGHLIGHT,
item_view_class->item_type,
TRUE,
GDK_ACTION_MOVE | GDK_ACTION_COPY);
item_view->priv->new_button =
pika_editor_add_action_button (editor, item_view_class->action_group,
item_view_class->new_action,
item_view_class->new_default_action,
GDK_SHIFT_MASK,
NULL);
/* connect "drop to new" manually as it makes a difference whether
* it was clicked or dropped
*/
pika_dnd_viewable_list_dest_add (item_view->priv->new_button,
item_view_class->item_type,
pika_item_tree_view_new_list_dropped,
item_view);
pika_dnd_viewable_dest_add (item_view->priv->new_button,
item_view_class->item_type,
pika_item_tree_view_new_dropped,
item_view);
item_view->priv->raise_button =
pika_editor_add_action_button (editor, item_view_class->action_group,
item_view_class->raise_action,
item_view_class->raise_top_action,
GDK_SHIFT_MASK,
NULL);
item_view->priv->lower_button =
pika_editor_add_action_button (editor, item_view_class->action_group,
item_view_class->lower_action,
item_view_class->lower_bottom_action,
GDK_SHIFT_MASK,
NULL);
item_view->priv->duplicate_button =
pika_editor_add_action_button (editor, item_view_class->action_group,
item_view_class->duplicate_action, NULL);
pika_container_view_enable_dnd (PIKA_CONTAINER_VIEW (item_view),
GTK_BUTTON (item_view->priv->duplicate_button),
item_view_class->item_type);
item_view->priv->delete_button =
pika_editor_add_action_button (editor, item_view_class->action_group,
item_view_class->delete_action, NULL);
pika_container_view_enable_dnd (PIKA_CONTAINER_VIEW (item_view),
GTK_BUTTON (item_view->priv->delete_button),
item_view_class->item_type);
/* Lock box. */
item_view->priv->lock_box = gtk_box_new (GTK_ORIENTATION_HORIZONTAL, button_spacing);
/* Lock box: content toggle */
pika_item_tree_view_add_lock (item_view,
item_view_class->lock_content_icon_name,
(PikaIsLockedFunc) pika_item_get_lock_content,
(PikaCanLockFunc) pika_item_can_lock_content,
(PikaSetLockFunc) pika_item_set_lock_content,
(PikaUndoLockPush) pika_image_undo_push_item_lock_content,
"lock-content-changed",
PIKA_UNDO_ITEM_LOCK_CONTENT,
PIKA_UNDO_GROUP_ITEM_LOCK_CONTENTS,
_("Lock content"),
_("Unlock content"),
_("Set Item Exclusive Content Lock"),
item_view_class->lock_content_tooltip,
item_view_class->lock_content_help_id);
/* Lock box: position toggle */
pika_item_tree_view_add_lock (item_view,
item_view_class->lock_position_icon_name,
(PikaIsLockedFunc) pika_item_get_lock_position,
(PikaCanLockFunc) pika_item_can_lock_position,
(PikaSetLockFunc) pika_item_set_lock_position,
(PikaUndoLockPush) pika_image_undo_push_item_lock_position,
"lock-position-changed",
PIKA_UNDO_ITEM_LOCK_POSITION,
PIKA_UNDO_GROUP_ITEM_LOCK_POSITION,
_("Lock position"),
_("Unlock position"),
_("Set Item Exclusive Position Lock"),
item_view_class->lock_position_tooltip,
item_view_class->lock_position_help_id);
/* Lock box: visibility toggle */
pika_item_tree_view_add_lock (item_view,
item_view_class->lock_visibility_icon_name,
(PikaIsLockedFunc) pika_item_get_lock_visibility,
(PikaCanLockFunc) pika_item_can_lock_visibility,
(PikaSetLockFunc) pika_item_set_lock_visibility,
(PikaUndoLockPush) pika_image_undo_push_item_lock_visibility,
"lock-visibility-changed",
PIKA_UNDO_ITEM_LOCK_VISIBILITY,
PIKA_UNDO_GROUP_ITEM_LOCK_VISIBILITY,
_("Lock visibility"),
_("Unlock visibility"),
_("Set Item Exclusive Visibility Lock"),
item_view_class->lock_visibility_tooltip,
item_view_class->lock_visibility_help_id);
/* Lock popover. */
item_view->priv->lock_popover = gtk_popover_new (GTK_WIDGET (tree_view->view));
gtk_popover_set_modal (GTK_POPOVER (item_view->priv->lock_popover), TRUE);
g_signal_connect (item_view->priv->lock_popover,
"button-press-event",
G_CALLBACK (pika_item_tree_view_popover_button_press),
item_view);
gtk_container_add (GTK_CONTAINER (item_view->priv->lock_popover), item_view->priv->lock_box);
gtk_widget_show (item_view->priv->lock_box);
}
static void
pika_item_tree_view_dispose (GObject *object)
{
PikaItemTreeView *view = PIKA_ITEM_TREE_VIEW (object);
if (view->priv->image)
pika_item_tree_view_set_image (view, NULL);
if (view->priv->lock_popover)
{
gtk_widget_destroy (view->priv->lock_popover);
view->priv->lock_popover = NULL;
}
if (view->priv->lock_box_path)
{
gtk_tree_path_free (view->priv->lock_box_path);
view->priv->lock_box_path = NULL;
}
if (view->priv->locks)
{
g_list_free_full (view->priv->locks,
(GDestroyNotify) g_free);
view->priv->locks = NULL;
}
G_OBJECT_CLASS (parent_class)->dispose (object);
}
static void
pika_item_tree_view_style_updated (GtkWidget *widget)
{
PikaItemTreeView *view = PIKA_ITEM_TREE_VIEW (widget);
GList *children;
GList *list;
const gchar *old_icon_name;
gchar *icon_name;
GtkReliefStyle button_relief;
GtkIconSize old_size;
GtkIconSize button_icon_size = GTK_ICON_SIZE_SMALL_TOOLBAR;
gint pixel_icon_size = 16;
gint content_spacing;
gint button_spacing;
gtk_widget_style_get (widget,
"button-relief", &button_relief,
"button-icon-size", &button_icon_size,
"content-spacing", &content_spacing,
"button-spacing", &button_spacing,
NULL);
if (view->priv->options_box)
{
gtk_box_set_spacing (GTK_BOX (view->priv->options_box), content_spacing);
children =
gtk_container_get_children (GTK_CONTAINER (view->priv->options_box));
for (list = children; list; list = g_list_next (list))
{
GtkWidget *child = list->data;
if (GTK_IS_BOX (child))
gtk_box_set_spacing (GTK_BOX (child), button_spacing);
}
g_list_free (children);
}
if (view->priv->lock_box)
{
gtk_box_set_spacing (GTK_BOX (view->priv->lock_box), button_spacing);
children =
gtk_container_get_children (GTK_CONTAINER (view->priv->lock_box));
for (list = children; list; list = g_list_next (list))
{
GtkWidget *child = list->data;
if (GTK_IS_BUTTON (child))
{
GtkWidget *image;
gtk_button_set_relief (GTK_BUTTON (child), button_relief);
image = gtk_bin_get_child (GTK_BIN (child));
if (GTK_IS_IMAGE (image))
{
GtkIconSize old_size;
gtk_image_get_icon_name (GTK_IMAGE (image),
&old_icon_name, &old_size);
if (button_icon_size != old_size)
{
icon_name = g_strdup (old_icon_name);
gtk_image_set_from_icon_name (GTK_IMAGE (image),
icon_name, button_icon_size);
g_free (icon_name);
}
}
}
}
g_list_free (children);
}
gtk_image_get_icon_name (GTK_IMAGE (view->priv->lock_header_image),
&old_icon_name, &old_size);
if (button_icon_size != old_size)
{
icon_name = g_strdup (old_icon_name);
gtk_image_set_from_icon_name (GTK_IMAGE (view->priv->lock_header_image),
icon_name, button_icon_size);
g_free (icon_name);
}
gtk_image_get_icon_name (GTK_IMAGE (view->priv->eye_header_image),
&old_icon_name, &old_size);
if (button_icon_size != old_size)
{
icon_name = g_strdup (old_icon_name);
gtk_image_set_from_icon_name (GTK_IMAGE (view->priv->eye_header_image),
icon_name, button_icon_size);
g_free (icon_name);
}
/* force the eye and toggle cells to recreate their icon */
gtk_icon_size_lookup (button_icon_size, &pixel_icon_size, NULL);
g_object_set (view->priv->eye_cell,
"icon-name", PIKA_ICON_VISIBLE,
"icon-size", pixel_icon_size,
NULL);
g_object_set (view->priv->lock_cell,
"icon-name", PIKA_ICON_LOCK_MULTI,
"icon-size", pixel_icon_size,
NULL);
GTK_WIDGET_CLASS (parent_class)->style_updated (widget);
}
GtkWidget *
pika_item_tree_view_new (GType view_type,
gint view_size,
gint view_border_width,
gboolean multiple_selection,
PikaImage *image,
PikaMenuFactory *menu_factory,
const gchar *menu_identifier,
const gchar *ui_path)
{
PikaItemTreeView *item_view;
g_return_val_if_fail (g_type_is_a (view_type, PIKA_TYPE_ITEM_TREE_VIEW), NULL);
g_return_val_if_fail (view_size > 0 &&
view_size <= PIKA_VIEWABLE_MAX_PREVIEW_SIZE, NULL);
g_return_val_if_fail (view_border_width >= 0 &&
view_border_width <= PIKA_VIEW_MAX_BORDER_WIDTH,
NULL);
g_return_val_if_fail (image == NULL || PIKA_IS_IMAGE (image), NULL);
g_return_val_if_fail (PIKA_IS_MENU_FACTORY (menu_factory), NULL);
g_return_val_if_fail (menu_identifier != NULL, NULL);
g_return_val_if_fail (ui_path != NULL, NULL);
item_view = g_object_new (view_type,
"reorderable", TRUE,
"menu-factory", menu_factory,
"menu-identifier", menu_identifier,
"ui-path", ui_path,
"selection-mode", multiple_selection ? GTK_SELECTION_MULTIPLE : GTK_SELECTION_SINGLE,
NULL);
pika_container_view_set_view_size (PIKA_CONTAINER_VIEW (item_view),
view_size, view_border_width);
pika_item_tree_view_set_image (item_view, image);
return GTK_WIDGET (item_view);
}
void
pika_item_tree_view_set_image (PikaItemTreeView *view,
PikaImage *image)
{
g_return_if_fail (PIKA_IS_ITEM_TREE_VIEW (view));
g_return_if_fail (image == NULL || PIKA_IS_IMAGE (image));
g_signal_emit (view, view_signals[SET_IMAGE], 0, image);
pika_ui_manager_update (pika_editor_get_ui_manager (PIKA_EDITOR (view)), view);
}
PikaImage *
pika_item_tree_view_get_image (PikaItemTreeView *view)
{
g_return_val_if_fail (PIKA_IS_ITEM_TREE_VIEW (view), NULL);
return view->priv->image;
}
void
pika_item_tree_view_add_options (PikaItemTreeView *view,
const gchar *label,
GtkWidget *options)
{
gint content_spacing;
gint button_spacing;
g_return_if_fail (PIKA_IS_ITEM_TREE_VIEW (view));
g_return_if_fail (GTK_IS_WIDGET (options));
gtk_widget_style_get (GTK_WIDGET (view),
"content-spacing", &content_spacing,
"button-spacing", &button_spacing,
NULL);
if (! view->priv->options_box)
{
PikaItemTreeViewClass *item_view_class;
item_view_class = PIKA_ITEM_TREE_VIEW_GET_CLASS (view);
view->priv->options_box = gtk_box_new (GTK_ORIENTATION_VERTICAL, content_spacing);
gtk_box_pack_start (GTK_BOX (view), view->priv->options_box,
FALSE, FALSE, 0);
gtk_box_reorder_child (GTK_BOX (view), view->priv->options_box, 0);
gtk_widget_show (view->priv->options_box);
if (! view->priv->image ||
! item_view_class->get_selected_items (view->priv->image))
{
gtk_widget_set_sensitive (view->priv->options_box, FALSE);
}
}
if (label)
{
GtkWidget *hbox;
GtkWidget *label_widget;
gboolean group_created = FALSE;
hbox = gtk_box_new (GTK_ORIENTATION_HORIZONTAL, button_spacing);
gtk_box_pack_start (GTK_BOX (view->priv->options_box), hbox,
FALSE, FALSE, 0);
gtk_widget_show (hbox);
if (! view->priv->options_group)
{
view->priv->options_group = gtk_size_group_new (GTK_SIZE_GROUP_HORIZONTAL);
group_created = TRUE;
}
label_widget = gtk_label_new (label);
gtk_label_set_xalign (GTK_LABEL (label_widget), 0.0);
gtk_size_group_add_widget (view->priv->options_group, label_widget);
gtk_box_pack_start (GTK_BOX (hbox), label_widget, FALSE, FALSE, 0);
gtk_widget_show (label_widget);
if (group_created)
g_object_unref (view->priv->options_group);
gtk_box_pack_start (GTK_BOX (hbox), options, TRUE, TRUE, 0);
gtk_widget_show (options);
}
else
{
gtk_box_pack_start (GTK_BOX (view->priv->options_box), options,
FALSE, FALSE, 0);
gtk_widget_show (options);
}
}
void
pika_item_tree_view_add_lock (PikaItemTreeView *view,
const gchar *icon_name,
PikaIsLockedFunc is_locked,
PikaCanLockFunc can_lock,
PikaSetLockFunc lock,
PikaUndoLockPush undo_push,
const gchar *signal_name,
PikaUndoType undo_type,
PikaUndoType group_undo_type,
const gchar *undo_lock_desc,
const gchar *undo_unlock_desc,
const gchar *undo_exclusive_desc,
const gchar *tooltip,
const gchar *help_id)
{
LockToggle *data;
GtkWidget *toggle = gtk_toggle_button_new ();
GtkWidget *image;
GtkIconSize icon_size;
data = g_new0 (LockToggle, 1);
data->toggle = toggle;
data->icon_name = icon_name;
data->is_locked = is_locked;
data->can_lock = can_lock;
data->lock = lock;
data->undo_push = undo_push;
data->signal_name = signal_name;
data->tooltip = tooltip;
data->help_id = help_id;
data->undo_type = undo_type;
data->group_undo_type = group_undo_type;
data->undo_lock_desc = undo_lock_desc;
data->undo_unlock_desc = undo_unlock_desc;
data->undo_exclusive_desc = undo_exclusive_desc;
view->priv->locks = g_list_prepend (view->priv->locks, data);
gtk_box_pack_end (GTK_BOX (view->priv->lock_box), toggle, FALSE, FALSE, 0);
gtk_box_reorder_child (GTK_BOX (view->priv->lock_box), toggle, 0);
gtk_widget_show (toggle);
g_object_set_data (G_OBJECT (toggle), "lock-data", data);
g_signal_connect (toggle, "toggled",
G_CALLBACK (pika_item_tree_view_lock_toggled),
view);
g_signal_connect (toggle, "button-release-event",
G_CALLBACK (pika_item_tree_view_lock_button_release),
view);
pika_help_set_help_data (toggle, tooltip, help_id);
gtk_widget_style_get (GTK_WIDGET (view),
"button-icon-size", &icon_size,
NULL);
image = gtk_image_new_from_icon_name (icon_name, icon_size);
gtk_container_add (GTK_CONTAINER (toggle), image);
gtk_widget_show (image);
}
void
pika_item_tree_view_blink_lock (PikaItemTreeView *view,
PikaItem *item)
{
GtkTreeIter *iter;
GtkTreePath *path;
GdkRectangle rect;
g_return_if_fail (PIKA_IS_ITEM_TREE_VIEW (view));
g_return_if_fail (PIKA_IS_ITEM (item));
/* Find the item in the tree view. */
iter = pika_container_view_lookup (PIKA_CONTAINER_VIEW (view),
(PikaViewable *) item);
path = gtk_tree_model_get_path (PIKA_CONTAINER_TREE_VIEW (view)->model, iter);
/* Scroll dockable to make sure the cell is showing. */
gtk_tree_view_scroll_to_cell (PIKA_CONTAINER_TREE_VIEW (view)->view, path,
gtk_tree_view_get_column (PIKA_CONTAINER_TREE_VIEW (view)->view, 1),
FALSE, 0.0, 0.0);
/* Now blink the lock cell of the specified item. */
gtk_tree_view_get_cell_area (PIKA_CONTAINER_TREE_VIEW (view)->view, path,
gtk_tree_view_get_column (PIKA_CONTAINER_TREE_VIEW (view)->view, 1),
&rect);
gtk_tree_view_convert_bin_window_to_widget_coords (PIKA_CONTAINER_TREE_VIEW (view)->view,
rect.x, rect.y, &rect.x, &rect.y);
pika_widget_blink_rect (GTK_WIDGET (PIKA_CONTAINER_TREE_VIEW (view)->view), &rect);
gtk_tree_path_free (path);
}
GtkWidget *
pika_item_tree_view_get_new_button (PikaItemTreeView *view)
{
g_return_val_if_fail (PIKA_IS_ITEM_TREE_VIEW (view), NULL);
return view->priv->new_button;
}
GtkWidget *
pika_item_tree_view_get_delete_button (PikaItemTreeView *view)
{
g_return_val_if_fail (PIKA_IS_ITEM_TREE_VIEW (view), NULL);
return view->priv->delete_button;
}
gint
pika_item_tree_view_get_drop_index (PikaItemTreeView *view,
PikaViewable *dest_viewable,
GtkTreeViewDropPosition drop_pos,
PikaViewable **parent)
{
gint index = -1;
g_return_val_if_fail (PIKA_IS_ITEM_TREE_VIEW (view), -1);
g_return_val_if_fail (dest_viewable == NULL ||
PIKA_IS_VIEWABLE (dest_viewable), -1);
g_return_val_if_fail (parent != NULL, -1);
*parent = NULL;
if (dest_viewable)
{
*parent = pika_viewable_get_parent (dest_viewable);
index = pika_item_get_index (PIKA_ITEM (dest_viewable));
if (drop_pos == GTK_TREE_VIEW_DROP_INTO_OR_AFTER)
{
PikaContainer *children = pika_viewable_get_children (dest_viewable);
if (children)
{
*parent = dest_viewable;
index = 0;
}
else
{
index++;
}
}
else if (drop_pos == GTK_TREE_VIEW_DROP_AFTER)
{
index++;
}
}
return index;
}
static void
pika_item_tree_view_real_set_image (PikaItemTreeView *view,
PikaImage *image)
{
if (view->priv->image == image)
return;
if (view->priv->image)
{
g_signal_handlers_disconnect_by_func (view->priv->image,
pika_item_tree_view_item_changed,
view);
g_signal_handlers_disconnect_by_func (view->priv->image,
pika_item_tree_view_size_changed,
view);
pika_container_view_set_container (PIKA_CONTAINER_VIEW (view), NULL);
g_signal_handlers_disconnect_by_func (view->priv->image,
pika_item_tree_view_image_flush,
view);
}
view->priv->image = image;
if (view->priv->image)
{
PikaContainer *container;
container =
PIKA_ITEM_TREE_VIEW_GET_CLASS (view)->get_container (view->priv->image);
pika_container_view_set_container (PIKA_CONTAINER_VIEW (view), container);
g_signal_connect (view->priv->image,
PIKA_ITEM_TREE_VIEW_GET_CLASS (view)->signal_name,
G_CALLBACK (pika_item_tree_view_item_changed),
view);
g_signal_connect (view->priv->image, "size-changed",
G_CALLBACK (pika_item_tree_view_size_changed),
view);
g_signal_connect (view->priv->image, "flush",
G_CALLBACK (pika_item_tree_view_image_flush),
view);
pika_item_tree_view_item_changed (view->priv->image, view);
}
}
static void
pika_item_tree_view_image_flush (PikaImage *image,
gboolean invalidate_preview,
PikaItemTreeView *view)
{
g_idle_add_full (G_PRIORITY_LOW,
(GSourceFunc) pika_item_tree_view_image_flush_idle,
g_object_ref (view), g_object_unref);
}
static gboolean
pika_item_tree_view_image_flush_idle (gpointer user_data)
{
PikaItemTreeView *view = user_data;
/* This needs to be run as idle because we want this to be run in the main
* thread even when the flush happened in a thread (e.g. from the paint
* thread).
*/
if (pika_editor_get_ui_manager (PIKA_EDITOR (view)))
pika_ui_manager_update (pika_editor_get_ui_manager (PIKA_EDITOR (view)), view);
return G_SOURCE_REMOVE;
}
/* PikaContainerView methods */
static void
pika_item_tree_view_set_container (PikaContainerView *view,
PikaContainer *container)
{
PikaItemTreeView *item_view = PIKA_ITEM_TREE_VIEW (view);
PikaContainer *old_container;
GList *list;
old_container = pika_container_view_get_container (view);
if (old_container)
{
pika_tree_handler_disconnect (item_view->priv->visible_changed_handler);
item_view->priv->visible_changed_handler = NULL;
pika_tree_handler_disconnect (item_view->priv->color_tag_changed_handler);
item_view->priv->color_tag_changed_handler = NULL;
for (list = item_view->priv->locks; list; list = list->next)
{
LockToggle *data = list->data;
pika_tree_handler_disconnect (data->changed_handler);
data->changed_handler = NULL;
}
}
parent_view_iface->set_container (view, container);
if (container)
{
item_view->priv->visible_changed_handler =
pika_tree_handler_connect (container, "visibility-changed",
G_CALLBACK (pika_item_tree_view_visible_changed),
view);
item_view->priv->color_tag_changed_handler =
pika_tree_handler_connect (container, "color-tag-changed",
G_CALLBACK (pika_item_tree_view_color_tag_changed),
view);
for (list = item_view->priv->locks; list; list = list->next)
{
LockToggle *data = list->data;
data->changed_handler = pika_tree_handler_connect (container,
data->signal_name,
G_CALLBACK (pika_item_tree_view_lock_changed),
view);
}
}
}
static void
pika_item_tree_view_set_context (PikaContainerView *view,
PikaContext *context)
{
PikaContainerTreeView *tree_view = PIKA_CONTAINER_TREE_VIEW (view);
PikaItemTreeView *item_view = PIKA_ITEM_TREE_VIEW (view);
PikaImage *image = NULL;
PikaContext *old_context;
old_context = pika_container_view_get_context (view);
if (old_context)
{
g_signal_handlers_disconnect_by_func (old_context,
pika_item_tree_view_set_image,
item_view);
g_signal_handlers_disconnect_by_func (old_context->pika->config,
G_CALLBACK (pika_item_tree_view_style_updated),
item_view);
}
parent_view_iface->set_context (view, context);
if (context)
{
if (! tree_view->dnd_pika)
tree_view->dnd_pika = context->pika;
g_signal_connect_swapped (context, "image-changed",
G_CALLBACK (pika_item_tree_view_set_image),
item_view);
g_signal_connect_object (context->pika->config,
"notify::theme",
G_CALLBACK (pika_item_tree_view_style_updated),
item_view, G_CONNECT_AFTER | G_CONNECT_SWAPPED);
g_signal_connect_object (context->pika->config,
"notify::override-theme-icon-size",
G_CALLBACK (pika_item_tree_view_style_updated),
item_view, G_CONNECT_AFTER | G_CONNECT_SWAPPED);
g_signal_connect_object (context->pika->config,
"notify::custom-icon-size",
G_CALLBACK (pika_item_tree_view_style_updated),
item_view, G_CONNECT_AFTER | G_CONNECT_SWAPPED);
image = pika_context_get_image (context);
}
pika_item_tree_view_set_image (item_view, image);
}
static gpointer
pika_item_tree_view_insert_item (PikaContainerView *view,
PikaViewable *viewable,
gpointer parent_insert_data,
gint index)
{
PikaContainerTreeView *tree_view = PIKA_CONTAINER_TREE_VIEW (view);
PikaItemTreeView *item_view = PIKA_ITEM_TREE_VIEW (view);
PikaItem *item = PIKA_ITEM (viewable);
GtkTreeIter *iter;
PikaRGB color;
gboolean has_color;
const gchar *icon_name;
gint n_locks;
iter = parent_view_iface->insert_item (view, viewable,
parent_insert_data, index);
has_color = pika_get_color_tag_color (pika_item_get_merged_color_tag (item),
&color,
pika_item_get_color_tag (item) ==
PIKA_COLOR_TAG_NONE);
n_locks = pika_item_tree_view_get_n_locks (item_view, item, &icon_name);
gtk_tree_store_set (GTK_TREE_STORE (tree_view->model), iter,
item_view->priv->model_column_visible,
pika_item_get_visible (item),
item_view->priv->model_column_viewable,
pika_item_get_visible (item) &&
! pika_item_is_visible (item),
item_view->priv->model_column_locked,
n_locks > 0,
item_view->priv->model_column_lock_icon,
icon_name,
item_view->priv->model_column_color_tag,
has_color ? (GdkRGBA *) &color : NULL,
-1);
return iter;
}
static void
pika_item_tree_view_insert_items_after (PikaContainerView *view)
{
PikaItemTreeView *item_view = PIKA_ITEM_TREE_VIEW (view);
PikaItemTreeViewClass *item_view_class;
GList *selected_items;
item_view_class = PIKA_ITEM_TREE_VIEW_GET_CLASS (item_view);
selected_items = item_view_class->get_selected_items (item_view->priv->image);
pika_container_view_select_items (view, selected_items);
}
static gboolean
pika_item_tree_view_select_items (PikaContainerView *view,
GList *items,
GList *paths)
{
PikaItemTreeView *tree_view = PIKA_ITEM_TREE_VIEW (view);
gboolean options_sensitive = FALSE;
gboolean success;
success = parent_view_iface->select_items (view, items, paths);
if (items)
{
PikaItemTreeViewClass *item_view_class;
item_view_class = PIKA_ITEM_TREE_VIEW_GET_CLASS (tree_view);
if (TRUE) /* XXX: test if new selection same as old. */
{
item_view_class->set_selected_items (tree_view->priv->image, items);
items = item_view_class->get_selected_items (tree_view->priv->image);
}
options_sensitive = TRUE;
}
pika_ui_manager_update (pika_editor_get_ui_manager (PIKA_EDITOR (tree_view)), tree_view);
if (tree_view->priv->options_box)
gtk_widget_set_sensitive (tree_view->priv->options_box, options_sensitive);
return success;
}
static void
pika_item_tree_view_activate_item (PikaContainerView *view,
PikaViewable *item,
gpointer insert_data)
{
PikaItemTreeViewClass *item_view_class = PIKA_ITEM_TREE_VIEW_GET_CLASS (view);
if (parent_view_iface->activate_item)
parent_view_iface->activate_item (view, item, insert_data);
if (item_view_class->activate_action)
{
pika_ui_manager_activate_action (pika_editor_get_ui_manager (PIKA_EDITOR (view)),
item_view_class->action_group,
item_view_class->activate_action);
}
}
static gboolean
pika_item_tree_view_drop_possible (PikaContainerTreeView *tree_view,
PikaDndType src_type,
GList *src_viewables,
PikaViewable *dest_viewable,
GtkTreePath *drop_path,
GtkTreeViewDropPosition drop_pos,
GtkTreeViewDropPosition *return_drop_pos,
GdkDragAction *return_drag_action)
{
GList *iter;
gboolean other_image_items;
if (src_viewables)
other_image_items = TRUE;
else
other_image_items = FALSE;
for (iter = src_viewables; iter; iter = iter->next)
{
PikaViewable *src_viewable = iter->data;
if (! PIKA_IS_ITEM (src_viewable) ||
(dest_viewable != NULL &&
pika_item_get_image (PIKA_ITEM (src_viewable)) ==
pika_item_get_image (PIKA_ITEM (dest_viewable))))
{
/* Not an item or from the same image. */
other_image_items = FALSE;
break;
}
}
if (other_image_items)
{
if (return_drop_pos)
*return_drop_pos = drop_pos;
if (return_drag_action)
*return_drag_action = GDK_ACTION_COPY;
return TRUE;
}
return PIKA_CONTAINER_TREE_VIEW_CLASS (parent_class)->drop_possible (tree_view,
src_type,
src_viewables,
dest_viewable,
drop_path,
drop_pos,
return_drop_pos,
return_drag_action);
}
static void
pika_item_tree_view_drop_viewables (PikaContainerTreeView *tree_view,
GList *src_viewables,
PikaViewable *dest_viewable,
GtkTreeViewDropPosition drop_pos)
{
PikaItemTreeViewClass *item_view_class;
PikaItemTreeView *item_view = PIKA_ITEM_TREE_VIEW (tree_view);
GList *iter;
PikaImage *src_image = NULL;
GType src_viewable_type = G_TYPE_NONE;
gint dest_index = -1;
gboolean src_viewables_reversed = FALSE;
g_return_if_fail (g_list_length (src_viewables) > 0);
item_view_class = PIKA_ITEM_TREE_VIEW_GET_CLASS (item_view);
for (iter = src_viewables; iter; iter = iter->next)
{
PikaViewable *src_viewable = iter->data;
/* All dropped viewables must be of the same finale type and come
* from the same source image.
*/
if (src_viewable_type == G_TYPE_NONE)
src_viewable_type = G_TYPE_FROM_INSTANCE (src_viewable);
else
{
if (g_type_is_a (src_viewable_type,
G_TYPE_FROM_INSTANCE (src_viewable)))
/* It is possible to move different types of a same
* parenting hierarchy, for instance PikaLayer and
* PikaGroupLayer.
*/
src_viewable_type = G_TYPE_FROM_INSTANCE (src_viewable);
g_return_if_fail (g_type_is_a (G_TYPE_FROM_INSTANCE (src_viewable),
src_viewable_type));
}
if (src_image == NULL)
src_image = pika_item_get_image (PIKA_ITEM (iter->data));
else
g_return_if_fail (src_image == pika_item_get_image (PIKA_ITEM (iter->data)));
}
if (drop_pos == GTK_TREE_VIEW_DROP_AFTER ||
(drop_pos == GTK_TREE_VIEW_DROP_INTO_OR_AFTER &&
dest_viewable &&
pika_viewable_get_children (dest_viewable)))
{
src_viewables_reversed = TRUE;
src_viewables = g_list_reverse (src_viewables);
}
if (item_view->priv->image != src_image ||
! g_type_is_a (src_viewable_type, item_view_class->item_type))
{
GType item_type = item_view_class->item_type;
pika_image_undo_group_start (item_view->priv->image,
PIKA_UNDO_GROUP_LAYER_ADD,
_("Drop layers"));
for (iter = src_viewables; iter; iter = iter->next)
{
PikaViewable *src_viewable = iter->data;
PikaItem *new_item;
PikaItem *parent;
if (g_type_is_a (src_viewable_type, item_type))
item_type = G_TYPE_FROM_INSTANCE (src_viewable);
dest_index = pika_item_tree_view_get_drop_index (item_view, dest_viewable,
drop_pos,
(PikaViewable **) &parent);
new_item = pika_item_convert (PIKA_ITEM (src_viewable),
item_view->priv->image, item_type);
item_view_class->add_item (item_view->priv->image, new_item,
parent, dest_index, TRUE);
}
}
else if (dest_viewable)
{
pika_image_undo_group_start (item_view->priv->image,
PIKA_UNDO_GROUP_IMAGE_ITEM_REORDER,
PIKA_ITEM_GET_CLASS (src_viewables->data)->reorder_desc);
for (iter = src_viewables; iter; iter = iter->next)
{
PikaViewable *src_viewable = iter->data;
PikaItem *src_parent;
PikaItem *dest_parent;
gint src_index;
gint dest_index;
src_parent = PIKA_ITEM (pika_viewable_get_parent (src_viewable));
src_index = pika_item_get_index (PIKA_ITEM (src_viewable));
dest_index = pika_item_tree_view_get_drop_index (item_view, dest_viewable,
drop_pos,
(PikaViewable **) &dest_parent);
if (src_parent == dest_parent)
{
if (src_index < dest_index)
dest_index--;
}
pika_image_reorder_item (item_view->priv->image,
PIKA_ITEM (src_viewable),
dest_parent,
dest_index,
TRUE, NULL);
}
}
if (src_viewables_reversed)
/* The caller keeps a copy to src_viewables to free it. If we
* reverse it, the pointer stays valid yet ends up pointing to the
* now last (previously first) element of the list. So we leak the
* whole list but this element. Let's reverse back the list to have
* next and prev pointers same as call time.
*/
src_viewables = g_list_reverse (src_viewables);
pika_image_undo_group_end (item_view->priv->image);
pika_image_flush (item_view->priv->image);
}
/* "New" functions */
static void
pika_item_tree_view_new_dropped (GtkWidget *widget,
gint x,
gint y,
PikaViewable *viewable,
gpointer data)
{
PikaItemTreeViewClass *item_view_class = PIKA_ITEM_TREE_VIEW_GET_CLASS (data);
PikaContainerView *view = PIKA_CONTAINER_VIEW (data);
if (item_view_class->new_default_action &&
viewable && pika_container_view_lookup (view, viewable))
{
PikaAction *action;
action = pika_ui_manager_find_action (pika_editor_get_ui_manager (PIKA_EDITOR (view)),
item_view_class->action_group,
item_view_class->new_default_action);
if (action)
{
g_object_set (action, "viewable", viewable, NULL);
pika_action_activate (action);
g_object_set (action, "viewable", NULL, NULL);
}
}
}
static void
pika_item_tree_view_new_list_dropped (GtkWidget *widget,
gint x,
gint y,
GList *viewables,
gpointer data)
{
PikaItemTreeViewClass *item_view_class = PIKA_ITEM_TREE_VIEW_GET_CLASS (data);
PikaContainerView *view = PIKA_CONTAINER_VIEW (data);
PikaAction *action;
action = pika_ui_manager_find_action (pika_editor_get_ui_manager (PIKA_EDITOR (view)),
item_view_class->action_group,
item_view_class->new_default_action);
if (item_view_class->new_default_action && viewables && action &&
pika_container_view_contains (view, viewables))
pika_action_activate (action);
}
/* PikaImage callbacks */
static void
pika_item_tree_view_item_changed (PikaImage *image,
PikaItemTreeView *view)
{
GList *items;
items = PIKA_ITEM_TREE_VIEW_GET_CLASS (view)->get_selected_items (view->priv->image);
pika_container_view_select_items (PIKA_CONTAINER_VIEW (view), items);
}
static void
pika_item_tree_view_size_changed (PikaImage *image,
PikaItemTreeView *tree_view)
{
PikaContainerView *view = PIKA_CONTAINER_VIEW (tree_view);
gint view_size;
gint border_width;
view_size = pika_container_view_get_view_size (view, &border_width);
pika_container_view_set_view_size (view, view_size, border_width);
}
static void
pika_item_tree_view_name_edited (GtkCellRendererText *cell,
const gchar *path_str,
const gchar *new_name,
PikaItemTreeView *view)
{
PikaContainerTreeView *tree_view = PIKA_CONTAINER_TREE_VIEW (view);
GtkTreePath *path;
GtkTreeIter iter;
path = gtk_tree_path_new_from_string (path_str);
if (gtk_tree_model_get_iter (tree_view->model, &iter, path))
{
PikaViewRenderer *renderer;
PikaItem *item;
const gchar *old_name;
GError *error = NULL;
renderer = pika_container_tree_store_get_renderer (PIKA_CONTAINER_TREE_STORE (tree_view->model),
&iter);
item = PIKA_ITEM (renderer->viewable);
old_name = pika_object_get_name (item);
if (! old_name) old_name = "";
if (! new_name) new_name = "";
if (strcmp (old_name, new_name) &&
pika_item_rename (item, new_name, &error))
{
pika_image_flush (pika_item_get_image (item));
}
else
{
gchar *name = pika_viewable_get_description (renderer->viewable, NULL);
gtk_tree_store_set (GTK_TREE_STORE (tree_view->model), &iter,
PIKA_CONTAINER_TREE_STORE_COLUMN_NAME, name,
-1);
g_free (name);
if (error)
{
pika_message_literal (view->priv->image->pika, G_OBJECT (view),
PIKA_MESSAGE_WARNING,
error->message);
g_clear_error (&error);
}
}
g_object_unref (renderer);
}
gtk_tree_path_free (path);
}
/* "Visible" callbacks */
static void
pika_item_tree_view_visible_changed (PikaItem *item,
PikaItemTreeView *view)
{
PikaContainerView *container_view = PIKA_CONTAINER_VIEW (view);
PikaContainerTreeView *tree_view = PIKA_CONTAINER_TREE_VIEW (view);
GtkTreeIter *iter;
iter = pika_container_view_lookup (container_view,
(PikaViewable *) item);
if (iter)
{
PikaContainer *children;
gtk_tree_store_set (GTK_TREE_STORE (tree_view->model), iter,
view->priv->model_column_visible,
pika_item_get_visible (item),
view->priv->model_column_viewable,
pika_item_get_visible (item) &&
! pika_item_is_visible (item),
-1);
children = pika_viewable_get_children (PIKA_VIEWABLE (item));
if (children)
pika_container_foreach (children,
(GFunc) pika_item_tree_view_visible_changed,
view);
}
}
static void
pika_item_tree_view_eye_clicked (GtkCellRendererToggle *toggle,
gchar *path_str,
GdkModifierType state,
PikaItemTreeView *view)
{
PikaContainerTreeView *tree_view = PIKA_CONTAINER_TREE_VIEW (view);
GtkTreePath *path;
GtkTreeIter iter;
path = gtk_tree_path_new_from_string (path_str);
if (gtk_tree_model_get_iter (tree_view->model, &iter, path))
{
PikaContext *context;
PikaViewRenderer *renderer;
PikaItem *item;
PikaImage *image;
gboolean active;
context = pika_container_view_get_context (PIKA_CONTAINER_VIEW (view));
renderer = pika_container_tree_store_get_renderer (PIKA_CONTAINER_TREE_STORE (tree_view->model),
&iter);
g_object_get (toggle,
"active", &active,
NULL);
item = PIKA_ITEM (renderer->viewable);
g_object_unref (renderer);
image = pika_item_get_image (item);
if ((state & GDK_SHIFT_MASK) ||
(state & GDK_MOD1_MASK))
{
pika_item_toggle_exclusive_visible (item, (state & GDK_MOD1_MASK), context);
}
else
{
PikaUndo *undo;
gboolean push_undo = TRUE;
undo = pika_image_undo_can_compress (image, PIKA_TYPE_ITEM_UNDO,
PIKA_UNDO_ITEM_VISIBILITY);
if (undo && PIKA_ITEM_UNDO (undo)->item == item)
push_undo = FALSE;
if (! pika_item_set_visible (item, ! active, push_undo))
pika_item_tree_view_blink_lock (view, item);
if (!push_undo)
pika_undo_refresh_preview (undo, context);
}
pika_image_flush (image);
}
gtk_tree_path_free (path);
}
/* "Locked" callbacks */
static void
pika_item_tree_view_lock_clicked (GtkCellRendererToggle *toggle,
gchar *path_str,
GdkModifierType state,
PikaItemTreeView *view)
{
GtkTreePath *path;
GtkTreeIter iter;
path = gtk_tree_path_new_from_string (path_str);
if (gtk_tree_model_get_iter (PIKA_CONTAINER_TREE_VIEW (view)->model,
&iter, path))
{
PikaViewRenderer *renderer;
PikaContainerTreeStore *store;
PikaItem *item;
GdkRectangle rect;
/* Update the lock state. */
store = PIKA_CONTAINER_TREE_STORE (PIKA_CONTAINER_TREE_VIEW (view)->model);
renderer = pika_container_tree_store_get_renderer (store, &iter);
item = PIKA_ITEM (renderer->viewable);
g_object_unref (renderer);
pika_item_tree_view_update_lock_box (view, item, path);
/* Change popover position. */
gtk_tree_view_get_cell_area (PIKA_CONTAINER_TREE_VIEW (view)->view, path,
gtk_tree_view_get_column (PIKA_CONTAINER_TREE_VIEW (view)->view, 1),
&rect);
gtk_tree_view_convert_bin_window_to_widget_coords (PIKA_CONTAINER_TREE_VIEW (view)->view,
rect.x, rect.y, &rect.x, &rect.y);
gtk_popover_set_pointing_to (GTK_POPOVER (view->priv->lock_popover), &rect);
gtk_widget_show (view->priv->lock_popover);
}
}
/* "Color Tag" callbacks */
static void
pika_item_tree_view_color_tag_changed (PikaItem *item,
PikaItemTreeView *view)
{
PikaContainerView *container_view = PIKA_CONTAINER_VIEW (view);
PikaContainerTreeView *tree_view = PIKA_CONTAINER_TREE_VIEW (view);
GtkTreeIter *iter;
iter = pika_container_view_lookup (container_view,
(PikaViewable *) item);
if (iter)
{
PikaContainer *children;
PikaRGB color;
gboolean has_color;
has_color = pika_get_color_tag_color (pika_item_get_merged_color_tag (item),
&color,
pika_item_get_color_tag (item) ==
PIKA_COLOR_TAG_NONE);
gtk_tree_store_set (GTK_TREE_STORE (tree_view->model), iter,
view->priv->model_column_color_tag,
has_color ? (GdkRGBA *) &color : NULL,
-1);
children = pika_viewable_get_children (PIKA_VIEWABLE (item));
if (children)
pika_container_foreach (children,
(GFunc) pika_item_tree_view_color_tag_changed,
view);
}
}
/* "Lock Content" callbacks */
static void
pika_item_tree_view_lock_changed (PikaItem *item,
PikaItemTreeView *view)
{
PikaContainerView *container_view = PIKA_CONTAINER_VIEW (view);
PikaContainerTreeView *tree_view = PIKA_CONTAINER_TREE_VIEW (view);
GtkTreeIter *iter;
const gchar *icon_name;
gint n_locks;
iter = pika_container_view_lookup (container_view,
(PikaViewable *) item);
n_locks = pika_item_tree_view_get_n_locks (view, item, &icon_name);
if (iter)
gtk_tree_store_set (GTK_TREE_STORE (tree_view->model), iter,
view->priv->model_column_locked,
n_locks > 0,
view->priv->model_column_lock_icon,
icon_name,
-1);
if (view->priv->lock_box_item == item)
pika_item_tree_view_update_lock_box (view, item, NULL);
}
static gboolean
pika_item_tree_view_lock_button_release (GtkWidget *widget,
GdkEvent *event,
PikaItemTreeView *view)
{
GdkEventButton *bevent = (GdkEventButton *) event;
LockToggle *data;
GdkModifierType modifiers;
data = g_object_get_data (G_OBJECT (widget), "lock-data");
modifiers = bevent->state & pika_get_all_modifiers_mask ();
if (modifiers == GDK_SHIFT_MASK ||
modifiers == GDK_MOD1_MASK)
pika_item_toggle_exclusive (view->priv->lock_box_item,
data->is_locked,
data->lock,
data->can_lock,
NULL,
data->undo_push,
data->undo_exclusive_desc,
data->group_undo_type,
(modifiers == GDK_MOD1_MASK),
NULL);
else
return GDK_EVENT_PROPAGATE;
return GDK_EVENT_STOP;
}
static void
pika_item_tree_view_lock_toggled (GtkWidget *widget,
PikaItemTreeView *view)
{
PikaImage *image = view->priv->image;
LockToggle *data;
PikaUndo *undo;
const gchar *undo_label;
gboolean push_undo = TRUE;
gboolean locked;
locked = gtk_toggle_button_get_active (GTK_TOGGLE_BUTTON (widget));
data = g_object_get_data (G_OBJECT (widget), "lock-data");
if (! data->can_lock (view->priv->lock_box_item) ||
locked == data->is_locked (view->priv->lock_box_item))
return;
undo = pika_image_undo_can_compress (image, PIKA_TYPE_ITEM_UNDO,
data->undo_type);
if (undo && PIKA_ITEM_UNDO (undo)->item == view->priv->lock_box_item)
push_undo = FALSE;
if (push_undo)
{
if (locked)
undo_label = data->undo_lock_desc;
else
undo_label = data->undo_unlock_desc;
pika_image_undo_group_start (image, data->group_undo_type,
undo_label);
}
/* TODO: maybe we should also have a modifier-interaction where we can
* lock all same-level items (Shift-click for instance like eye click)
* and maybe another modifier for all selected items at once.
*/
data->lock (view->priv->lock_box_item, locked, push_undo);
pika_image_flush (image);
if (push_undo)
pika_image_undo_group_end (image);
}
static gboolean
pika_item_tree_view_item_pre_clicked (PikaCellRendererViewable *cell,
const gchar *path_str,
GdkModifierType state,
PikaItemTreeView *item_view)
{
PikaContainerTreeView *tree_view = PIKA_CONTAINER_TREE_VIEW (item_view);
GtkTreePath *path;
GtkTreeIter iter;
GdkModifierType modifiers = (state & pika_get_all_modifiers_mask ());
gboolean handled = FALSE;
path = gtk_tree_path_new_from_string (path_str);
/* Alt modifier at least and none other than Alt, Shift and Ctrl. */
if ((modifiers & GDK_MOD1_MASK) &&
! (modifiers & ~(GDK_MOD1_MASK | GDK_SHIFT_MASK | GDK_CONTROL_MASK)) &&
gtk_tree_model_get_iter (tree_view->model, &iter, path))
{
PikaImage *image = pika_item_tree_view_get_image (item_view);
PikaViewRenderer *renderer = NULL;
renderer = pika_container_tree_store_get_renderer (PIKA_CONTAINER_TREE_STORE (tree_view->model),
&iter);
if (renderer)
{
PikaItem *item = PIKA_ITEM (renderer->viewable);
PikaChannelOps op = pika_modifiers_to_channel_op (state);
pika_item_to_selection (item, op,
TRUE, FALSE, 0.0, 0.0);
pika_image_flush (image);
g_object_unref (renderer);
/* Don't select the clicked layer */
handled = TRUE;
}
}
gtk_tree_path_free (path);
return handled;
}
static void
pika_item_tree_view_update_lock_box (PikaItemTreeView *view,
PikaItem *item,
GtkTreePath *path)
{
GList *list;
for (list = view->priv->locks; list; list = list->next)
{
LockToggle *data = list->data;
if (data->is_locked (item) !=
gtk_toggle_button_get_active (GTK_TOGGLE_BUTTON (data->toggle)))
{
g_signal_handlers_block_by_func (data->toggle,
pika_item_tree_view_lock_toggled,
view);
g_signal_handlers_block_by_func (data->toggle,
pika_item_tree_view_lock_button_release,
view);
gtk_toggle_button_set_active (GTK_TOGGLE_BUTTON (data->toggle),
data->is_locked (item));
g_signal_handlers_unblock_by_func (data->toggle,
pika_item_tree_view_lock_toggled,
view);
g_signal_handlers_unblock_by_func (data->toggle,
pika_item_tree_view_lock_button_release,
view);
}
gtk_widget_set_sensitive (data->toggle, data->can_lock (item));
}
view->priv->lock_box_item = item;
if (path)
{
if (view->priv->lock_box_path)
gtk_tree_path_free (view->priv->lock_box_path);
view->priv->lock_box_path = path;
}
}
static gboolean
pika_item_tree_view_popover_button_press (GtkWidget *widget,
GdkEvent *event,
PikaItemTreeView *view)
{
PikaContainerTreeView *tree_view = PIKA_CONTAINER_TREE_VIEW (view);
GdkEventButton *bevent = (GdkEventButton *) event;
GdkEvent *new_event;
GtkTreeViewColumn *column;
GtkTreePath *path;
/* If we get to the popover signal handling, it means we didn't click
* inside popover's buttons, which would have stopped the signal
* first. So we were going to hide the popover anyway.
* Nevertheless I do with with gtk_widget_hide() instead of
* gtk_popover_popdown() because the animation stuff is very buggy
* (sometimes the popup stays displayed even though it doesn't react,
* blocking the GUI for a second or so).
* Moreover I directly retransfer the event as though it was sent to
* the item tree view. This allows much faster GUI interaction, not
* having to click twice, once to close the popup, then a second for
* the actual action (like eye switching or lock on another item or
* item selection).
*/
gtk_widget_hide (widget);
if (gtk_tree_view_get_path_at_pos (tree_view->view,
bevent->x, bevent->y,
&path, &column, NULL, NULL))
{
/* Clicking on the lock cell from the currently displayed lock box
* should only toggle-hide the lock box.
*/
if (gtk_tree_path_compare (path, view->priv->lock_box_path) != 0 ||
column != gtk_tree_view_get_column (PIKA_CONTAINER_TREE_VIEW (view)->view, 1))
{
/* Propagate the press event to the tree view. */
new_event = gdk_event_copy (event);
g_object_unref (new_event->any.window);
new_event->any.window = g_object_ref (gtk_widget_get_window (GTK_WIDGET (tree_view->view)));
new_event->any.send_event = TRUE;
gtk_main_do_event (new_event);
/* Also immediately pass a release event at same position.
* Without this, we get weird pointer as though a quick drag'n
* drop occured.
*/
new_event->type = GDK_BUTTON_RELEASE;
gtk_main_do_event (new_event);
gdk_event_free (new_event);
}
gtk_tree_path_free (path);
}
return GDK_EVENT_STOP;
}
/* GtkTreeView callbacks */
static void
pika_item_tree_view_row_expanded (GtkTreeView *tree_view,
GtkTreeIter *iter,
GtkTreePath *path,
PikaItemTreeView *item_view)
{
PikaItemTreeViewClass *item_view_class;
GList *selected_items;
GList *list;
item_view_class = PIKA_ITEM_TREE_VIEW_GET_CLASS (item_view);
selected_items = item_view_class->get_selected_items (item_view->priv->image);
if (selected_items)
{
PikaContainerTreeStore *store;
PikaViewRenderer *renderer;
PikaItem *expanded_item;
store = PIKA_CONTAINER_TREE_STORE (PIKA_CONTAINER_TREE_VIEW (item_view)->model);
renderer = pika_container_tree_store_get_renderer (store, iter);
expanded_item = PIKA_ITEM (renderer->viewable);
g_object_unref (renderer);
for (list = selected_items; list; list = list->next)
{
/* don't select an item while it is being inserted */
if (! pika_container_view_lookup (PIKA_CONTAINER_VIEW (item_view),
list->data))
return;
/* select items only if they were made visible by expanding
* their immediate parent. See bug #666561.
*/
if (pika_item_get_parent (list->data) != expanded_item)
return;
}
pika_container_view_select_items (PIKA_CONTAINER_VIEW (item_view),
selected_items);
}
}
/* Helper functions. */
static gint
pika_item_tree_view_get_n_locks (PikaItemTreeView *view,
PikaItem *item,
const gchar **icon_name)
{
GList *list;
gint n_locks = 0;
*icon_name = PIKA_ICON_LOCK_MULTI;
for (list = view->priv->locks; list; list = list->next)
{
LockToggle *data = list->data;
n_locks += (gint) data->is_locked (item);
}
if (n_locks == 1)
{
for (list = view->priv->locks; list; list = list->next)
{
LockToggle *data = list->data;
if (data->is_locked (item))
{
*icon_name = data->icon_name;
break;
}
}
}
return n_locks;
}