PIKApp/app/widgets/pikadockable.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
*
* pikadockable.c
* Copyright (C) 2001-2003 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 "libpikabase/pikabase.h"
#include "libpikawidgets/pikawidgets.h"
#include "widgets-types.h"
#include "core/pikacontext.h"
#include "menus/menus.h"
#include "pikadialogfactory.h"
#include "pikadnd.h"
#include "pikadock.h"
#include "pikadockable.h"
#include "pikadockbook.h"
#include "pikadocked.h"
#include "pikadockwindow.h"
#include "pikahelp-ids.h"
#include "pikapanedbox.h"
#include "pikasessioninfo-aux.h"
#include "pikasessionmanaged.h"
#include "pikauimanager.h"
#include "pikawidgets-utils.h"
#include "pika-intl.h"
enum
{
PROP_0,
PROP_LOCKED
};
struct _PikaDockablePrivate
{
gchar *name;
gchar *blurb;
gchar *icon_name;
gchar *help_id;
PikaTabStyle tab_style;
gboolean locked;
PikaDockbook *dockbook;
PikaContext *context;
};
static void pika_dockable_session_managed_iface_init (PikaSessionManagedInterface *iface);
static void pika_dockable_dispose (GObject *object);
static void pika_dockable_set_property (GObject *object,
guint property_id,
const GValue *value,
GParamSpec *pspec);
static void pika_dockable_get_property (GObject *object,
guint property_id,
GValue *value,
GParamSpec *pspec);
static void pika_dockable_style_updated (GtkWidget *widget);
static void pika_dockable_add (GtkContainer *container,
GtkWidget *widget);
static GType pika_dockable_child_type (GtkContainer *container);
static GList * pika_dockable_get_aux_info (PikaSessionManaged *managed);
static void pika_dockable_set_aux_info (PikaSessionManaged *managed,
GList *aux_info);
G_DEFINE_TYPE_WITH_CODE (PikaDockable, pika_dockable, GTK_TYPE_BIN,
G_ADD_PRIVATE (PikaDockable)
G_IMPLEMENT_INTERFACE (PIKA_TYPE_SESSION_MANAGED,
pika_dockable_session_managed_iface_init))
#define parent_class pika_dockable_parent_class
static const GtkTargetEntry dialog_target_table[] = { PIKA_TARGET_NOTEBOOK_TAB };
static void
pika_dockable_class_init (PikaDockableClass *klass)
{
GObjectClass *object_class = G_OBJECT_CLASS (klass);
GtkWidgetClass *widget_class = GTK_WIDGET_CLASS (klass);
GtkContainerClass *container_class = GTK_CONTAINER_CLASS (klass);
object_class->dispose = pika_dockable_dispose;
object_class->set_property = pika_dockable_set_property;
object_class->get_property = pika_dockable_get_property;
widget_class->style_updated = pika_dockable_style_updated;
container_class->add = pika_dockable_add;
container_class->child_type = pika_dockable_child_type;
gtk_container_class_handle_border_width (container_class);
g_object_class_install_property (object_class, PROP_LOCKED,
g_param_spec_boolean ("locked", NULL, NULL,
FALSE,
PIKA_PARAM_READWRITE));
gtk_widget_class_install_style_property (widget_class,
g_param_spec_int ("content-border",
NULL, NULL,
0,
G_MAXINT,
0,
PIKA_PARAM_READABLE));
}
static void
pika_dockable_init (PikaDockable *dockable)
{
dockable->p = pika_dockable_get_instance_private (dockable);
dockable->p->tab_style = PIKA_TAB_STYLE_PREVIEW;
gtk_drag_dest_set (GTK_WIDGET (dockable),
0,
dialog_target_table, G_N_ELEMENTS (dialog_target_table),
GDK_ACTION_MOVE);
}
static void
pika_dockable_session_managed_iface_init (PikaSessionManagedInterface *iface)
{
iface->get_aux_info = pika_dockable_get_aux_info;
iface->set_aux_info = pika_dockable_set_aux_info;
}
static void
pika_dockable_dispose (GObject *object)
{
PikaDockable *dockable = PIKA_DOCKABLE (object);
if (dockable->p->context)
pika_dockable_set_context (dockable, NULL);
g_clear_pointer (&dockable->p->blurb, g_free);
g_clear_pointer (&dockable->p->name, g_free);
g_clear_pointer (&dockable->p->icon_name, g_free);
g_clear_pointer (&dockable->p->help_id, g_free);
G_OBJECT_CLASS (parent_class)->dispose (object);
}
static void
pika_dockable_set_property (GObject *object,
guint property_id,
const GValue *value,
GParamSpec *pspec)
{
PikaDockable *dockable = PIKA_DOCKABLE (object);
switch (property_id)
{
case PROP_LOCKED:
pika_dockable_set_locked (dockable, g_value_get_boolean (value));
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);
break;
}
}
static void
pika_dockable_get_property (GObject *object,
guint property_id,
GValue *value,
GParamSpec *pspec)
{
PikaDockable *dockable = PIKA_DOCKABLE (object);
switch (property_id)
{
case PROP_LOCKED:
g_value_set_boolean (value, dockable->p->locked);
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);
break;
}
}
static void
pika_dockable_style_updated (GtkWidget *widget)
{
gint content_border;
GTK_WIDGET_CLASS (parent_class)->style_updated (widget);
gtk_widget_style_get (widget,
"content-border", &content_border,
NULL);
gtk_container_set_border_width (GTK_CONTAINER (widget), content_border);
}
static void
pika_dockable_add (GtkContainer *container,
GtkWidget *widget)
{
PikaDockable *dockable;
g_return_if_fail (gtk_bin_get_child (GTK_BIN (container)) == NULL);
GTK_CONTAINER_CLASS (parent_class)->add (container, widget);
/* not all tab styles are supported by all children */
dockable = PIKA_DOCKABLE (container);
pika_dockable_set_tab_style (dockable, dockable->p->tab_style);
}
static GType
pika_dockable_child_type (GtkContainer *container)
{
if (gtk_bin_get_child (GTK_BIN (container)))
return G_TYPE_NONE;
return PIKA_TYPE_DOCKED;
}
static GtkWidget *
pika_dockable_new_tab_widget_internal (PikaDockable *dockable,
PikaContext *context,
PikaTabStyle tab_style,
GtkIconSize size,
gboolean dnd)
{
GtkWidget *tab_widget = NULL;
GtkWidget *label = NULL;
GtkWidget *icon = NULL;
switch (tab_style)
{
case PIKA_TAB_STYLE_NAME:
case PIKA_TAB_STYLE_ICON_NAME:
case PIKA_TAB_STYLE_PREVIEW_NAME:
label = gtk_label_new (dockable->p->name);
break;
case PIKA_TAB_STYLE_BLURB:
case PIKA_TAB_STYLE_ICON_BLURB:
case PIKA_TAB_STYLE_PREVIEW_BLURB:
label = gtk_label_new (dockable->p->blurb);
break;
default:
break;
}
switch (tab_style)
{
case PIKA_TAB_STYLE_ICON:
case PIKA_TAB_STYLE_ICON_NAME:
case PIKA_TAB_STYLE_ICON_BLURB:
icon = pika_dockable_get_icon (dockable, size);
break;
case PIKA_TAB_STYLE_PREVIEW:
case PIKA_TAB_STYLE_PREVIEW_NAME:
case PIKA_TAB_STYLE_PREVIEW_BLURB:
{
GtkWidget *child = gtk_bin_get_child (GTK_BIN (dockable));
if (child)
icon = pika_docked_get_preview (PIKA_DOCKED (child),
context, size);
if (! icon)
icon = pika_dockable_get_icon (dockable, size);
}
break;
default:
break;
}
if (label && dnd)
pika_label_set_attributes (GTK_LABEL (label),
PANGO_ATTR_WEIGHT, PANGO_WEIGHT_SEMIBOLD,
-1);
switch (tab_style)
{
case PIKA_TAB_STYLE_ICON:
case PIKA_TAB_STYLE_PREVIEW:
tab_widget = icon;
break;
case PIKA_TAB_STYLE_NAME:
case PIKA_TAB_STYLE_BLURB:
tab_widget = label;
break;
case PIKA_TAB_STYLE_ICON_NAME:
case PIKA_TAB_STYLE_ICON_BLURB:
case PIKA_TAB_STYLE_PREVIEW_NAME:
case PIKA_TAB_STYLE_PREVIEW_BLURB:
tab_widget = gtk_box_new (GTK_ORIENTATION_HORIZONTAL, dnd ? 6 : 2);
gtk_box_pack_start (GTK_BOX (tab_widget), icon, FALSE, FALSE, 0);
gtk_widget_show (icon);
gtk_box_pack_start (GTK_BOX (tab_widget), label, FALSE, FALSE, 0);
gtk_widget_show (label);
break;
}
return tab_widget;
}
/* public functions */
GtkWidget *
pika_dockable_new (const gchar *name,
const gchar *blurb,
const gchar *icon_name,
const gchar *help_id)
{
PikaDockable *dockable;
g_return_val_if_fail (name != NULL, NULL);
g_return_val_if_fail (icon_name != NULL, NULL);
g_return_val_if_fail (help_id != NULL, NULL);
dockable = g_object_new (PIKA_TYPE_DOCKABLE, NULL);
dockable->p->name = g_strdup (name);
dockable->p->icon_name = g_strdup (icon_name);
dockable->p->help_id = g_strdup (help_id);
if (blurb)
dockable->p->blurb = g_strdup (blurb);
else
dockable->p->blurb = g_strdup (dockable->p->name);
pika_help_set_help_data (GTK_WIDGET (dockable), NULL, help_id);
return GTK_WIDGET (dockable);
}
void
pika_dockable_set_dockbook (PikaDockable *dockable,
PikaDockbook *dockbook)
{
g_return_if_fail (PIKA_IS_DOCKABLE (dockable));
g_return_if_fail (dockbook == NULL ||
PIKA_IS_DOCKBOOK (dockbook));
dockable->p->dockbook = dockbook;
}
PikaDockbook *
pika_dockable_get_dockbook (PikaDockable *dockable)
{
g_return_val_if_fail (PIKA_IS_DOCKABLE (dockable), NULL);
return dockable->p->dockbook;
}
void
pika_dockable_set_tab_style (PikaDockable *dockable,
PikaTabStyle tab_style)
{
GtkWidget *child;
g_return_if_fail (PIKA_IS_DOCKABLE (dockable));
child = gtk_bin_get_child (GTK_BIN (dockable));
if (child && ! PIKA_DOCKED_GET_IFACE (child)->get_preview)
tab_style = pika_preview_tab_style_to_icon (tab_style);
dockable->p->tab_style = tab_style;
}
PikaTabStyle
pika_dockable_get_tab_style (PikaDockable *dockable)
{
g_return_val_if_fail (PIKA_IS_DOCKABLE (dockable), -1);
return dockable->p->tab_style;
}
void
pika_dockable_set_locked (PikaDockable *dockable,
gboolean lock)
{
g_return_if_fail (PIKA_IS_DOCKABLE (dockable));
if (dockable->p->locked != lock)
{
dockable->p->locked = lock ? TRUE : FALSE;
g_object_notify (G_OBJECT (dockable), "locked");
}
}
gboolean
pika_dockable_get_locked (PikaDockable *dockable)
{
g_return_val_if_fail (PIKA_IS_DOCKABLE (dockable), FALSE);
return dockable->p->locked;
}
const gchar *
pika_dockable_get_name (PikaDockable *dockable)
{
g_return_val_if_fail (PIKA_IS_DOCKABLE (dockable), NULL);
return dockable->p->name;
}
const gchar *
pika_dockable_get_blurb (PikaDockable *dockable)
{
g_return_val_if_fail (PIKA_IS_DOCKABLE (dockable), NULL);
return dockable->p->blurb;
}
const gchar *
pika_dockable_get_help_id (PikaDockable *dockable)
{
g_return_val_if_fail (PIKA_IS_DOCKABLE (dockable), NULL);
return dockable->p->help_id;
}
const gchar *
pika_dockable_get_icon_name (PikaDockable *dockable)
{
g_return_val_if_fail (PIKA_IS_DOCKABLE (dockable), NULL);
return dockable->p->icon_name;
}
GtkWidget *
pika_dockable_get_icon (PikaDockable *dockable,
GtkIconSize size)
{
g_return_val_if_fail (PIKA_IS_DOCKABLE (dockable), NULL);
return gtk_image_new_from_icon_name (dockable->p->icon_name, size);
}
GtkWidget *
pika_dockable_create_tab_widget (PikaDockable *dockable,
PikaContext *context,
PikaTabStyle tab_style,
GtkIconSize size)
{
g_return_val_if_fail (PIKA_IS_DOCKABLE (dockable), NULL);
g_return_val_if_fail (PIKA_IS_CONTEXT (context), NULL);
return pika_dockable_new_tab_widget_internal (dockable, context,
tab_style, size, FALSE);
}
void
pika_dockable_set_context (PikaDockable *dockable,
PikaContext *context)
{
g_return_if_fail (PIKA_IS_DOCKABLE (dockable));
g_return_if_fail (context == NULL || PIKA_IS_CONTEXT (context));
if (context != dockable->p->context)
{
GtkWidget *child = gtk_bin_get_child (GTK_BIN (dockable));
if (child)
pika_docked_set_context (PIKA_DOCKED (child), context);
dockable->p->context = context;
}
}
PikaUIManager *
pika_dockable_get_menu (PikaDockable *dockable,
const gchar **ui_path,
gpointer *popup_data)
{
GtkWidget *child;
g_return_val_if_fail (PIKA_IS_DOCKABLE (dockable), NULL);
g_return_val_if_fail (ui_path != NULL, NULL);
g_return_val_if_fail (popup_data != NULL, NULL);
child = gtk_bin_get_child (GTK_BIN (dockable));
if (child)
return pika_docked_get_menu (PIKA_DOCKED (child), ui_path, popup_data);
return NULL;
}
void
pika_dockable_detach (PikaDockable *dockable)
{
PikaDialogFactory *dialog_factory;
PikaMenuFactory *menu_factory;
PikaDockWindow *src_dock_window;
PikaDock *src_dock;
GtkWidget *dock;
PikaDockWindow *dock_window;
GtkWidget *dockbook;
g_return_if_fail (PIKA_IS_DOCKABLE (dockable));
g_return_if_fail (PIKA_IS_DOCKBOOK (dockable->p->dockbook));
src_dock = pika_dockbook_get_dock (dockable->p->dockbook);
src_dock_window = pika_dock_window_from_dock (src_dock);
dialog_factory = pika_dock_get_dialog_factory (src_dock);
menu_factory = menus_get_global_menu_factory (pika_dialog_factory_get_context (dialog_factory)->pika);
dock = pika_dock_with_window_new (dialog_factory,
pika_widget_get_monitor (GTK_WIDGET (dockable)),
FALSE /*toolbox*/);
dock_window = pika_dock_window_from_dock (PIKA_DOCK (dock));
gtk_window_set_position (GTK_WINDOW (dock_window), GTK_WIN_POS_MOUSE);
if (src_dock_window)
pika_dock_window_setup (dock_window, src_dock_window);
dockbook = pika_dockbook_new (menu_factory);
pika_dock_add_book (PIKA_DOCK (dock), PIKA_DOCKBOOK (dockbook), 0);
g_object_ref (dockable);
gtk_container_remove (GTK_CONTAINER (dockable->p->dockbook),
GTK_WIDGET (dockable));
gtk_notebook_append_page (GTK_NOTEBOOK (dockbook),
GTK_WIDGET (dockable), NULL);
g_object_unref (dockable);
gtk_widget_show (GTK_WIDGET (dock_window));
gtk_widget_show (dock);
}
/* private functions */
static GList *
pika_dockable_get_aux_info (PikaSessionManaged *session_managed)
{
PikaDockable *dockable;
GtkWidget *child;
g_return_val_if_fail (PIKA_IS_DOCKABLE (session_managed), NULL);
dockable = PIKA_DOCKABLE (session_managed);
child = gtk_bin_get_child (GTK_BIN (dockable));
if (child)
return pika_docked_get_aux_info (PIKA_DOCKED (child));
return NULL;
}
static void
pika_dockable_set_aux_info (PikaSessionManaged *session_managed,
GList *aux_info)
{
PikaDockable *dockable;
GtkWidget *child;
g_return_if_fail (PIKA_IS_DOCKABLE (session_managed));
dockable = PIKA_DOCKABLE (session_managed);
child = gtk_bin_get_child (GTK_BIN (dockable));
if (child)
pika_docked_set_aux_info (PIKA_DOCKED (child), aux_info);
}