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gimp/app/widgets/gimpdock.c

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/* The GIMP -- an image manipulation program
* Copyright (C) 1995 Spencer Kimball and Peter Mattis
*
* gimpdock.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 2 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, write to the Free Software
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*/
#include "config.h"
#include <gtk/gtk.h>
#include "libgimpwidgets/gimpwidgets.h"
#include "widgets-types.h"
#include "config/gimpguiconfig.h"
#include "core/gimp.h"
#include "core/gimpcontext.h"
#include "core/gimpmarshal.h"
#include "gimpdialogfactory.h"
#include "gimpdnd.h"
#include "gimpdock.h"
#include "gimpdockable.h"
#include "gimpdockbook.h"
#include "gimpwidgets-utils.h"
#include "gimp-intl.h"
#define DEFAULT_DOCK_HEIGHT 300
#define DEFAULT_SEPARATOR_HEIGHT 6
enum
{
PROP_0,
PROP_CONTEXT,
PROP_DIALOG_FACTORY
};
enum
{
BOOK_ADDED,
BOOK_REMOVED,
LAST_SIGNAL
};
static void gimp_dock_class_init (GimpDockClass *klass);
static void gimp_dock_init (GimpDock *dock);
static GObject * gimp_dock_constructor (GType type,
guint n_params,
GObjectConstructParam *params);
static void gimp_dock_set_property (GObject *object,
guint property_id,
const GValue *value,
GParamSpec *pspec);
static void gimp_dock_get_property (GObject *object,
guint property_id,
GValue *value,
GParamSpec *pspec);
static void gimp_dock_destroy (GtkObject *object);
static gboolean gimp_dock_key_press_event (GtkWidget *widget,
GdkEventKey *kevent);
static void gimp_dock_style_set (GtkWidget *widget,
GtkStyle *prev_style);
static void gimp_dock_real_book_added (GimpDock *dock,
GimpDockbook *dockbook);
static void gimp_dock_real_book_removed (GimpDock *dock,
GimpDockbook *dockbook);
static GtkWidget * gimp_dock_separator_new (GimpDock *dock);
static void gimp_dock_separator_drag_leave (GtkWidget *widget,
GdkDragContext *context,
guint time,
gpointer data);
static gboolean gimp_dock_separator_drag_motion (GtkWidget *widget,
GdkDragContext *context,
gint x,
gint y,
guint time,
gpointer data);
static gboolean gimp_dock_separator_drag_drop (GtkWidget *widget,
GdkDragContext *context,
gint x,
gint y,
guint time,
GimpDock *dock);
static GtkWindowClass *parent_class = NULL;
static guint dock_signals[LAST_SIGNAL] = { 0 };
static GtkTargetEntry dialog_target_table[] =
{
GIMP_TARGET_DIALOG
};
GType
gimp_dock_get_type (void)
{
static GType dock_type = 0;
if (! dock_type)
{
static const GTypeInfo dock_info =
{
sizeof (GimpDockClass),
NULL, /* base_init */
NULL, /* base_finalize */
(GClassInitFunc) gimp_dock_class_init,
NULL, /* class_finalize */
NULL, /* class_data */
sizeof (GimpDock),
0, /* n_preallocs */
(GInstanceInitFunc) gimp_dock_init,
};
dock_type = g_type_register_static (GTK_TYPE_WINDOW,
"GimpDock",
&dock_info, 0);
}
return dock_type;
}
static void
gimp_dock_class_init (GimpDockClass *klass)
{
GObjectClass *object_class;
GtkObjectClass *gtk_object_class;
GtkWidgetClass *widget_class;
object_class = G_OBJECT_CLASS (klass);
gtk_object_class = GTK_OBJECT_CLASS (klass);
widget_class = GTK_WIDGET_CLASS (klass);
parent_class = g_type_class_peek_parent (klass);
dock_signals[BOOK_ADDED] =
g_signal_new ("book_added",
G_TYPE_FROM_CLASS (klass),
G_SIGNAL_RUN_FIRST,
G_STRUCT_OFFSET (GimpDockClass, book_added),
NULL, NULL,
gimp_marshal_VOID__OBJECT,
G_TYPE_NONE, 1,
GIMP_TYPE_DOCKBOOK);
dock_signals[BOOK_REMOVED] =
g_signal_new ("book_removed",
G_TYPE_FROM_CLASS (klass),
G_SIGNAL_RUN_FIRST,
G_STRUCT_OFFSET (GimpDockClass, book_removed),
NULL, NULL,
gimp_marshal_VOID__OBJECT,
G_TYPE_NONE, 1,
GIMP_TYPE_DOCKBOOK);
object_class->constructor = gimp_dock_constructor;
object_class->set_property = gimp_dock_set_property;
object_class->get_property = gimp_dock_get_property;
gtk_object_class->destroy = gimp_dock_destroy;
widget_class->key_press_event = gimp_dock_key_press_event;
widget_class->style_set = gimp_dock_style_set;
klass->setup = NULL;
klass->book_added = gimp_dock_real_book_added;
klass->book_removed = gimp_dock_real_book_removed;
g_object_class_install_property (object_class, PROP_CONTEXT,
g_param_spec_object ("context", NULL, NULL,
GIMP_TYPE_CONTEXT,
G_PARAM_READWRITE |
G_PARAM_CONSTRUCT_ONLY));
g_object_class_install_property (object_class, PROP_DIALOG_FACTORY,
g_param_spec_object ("dialog-factory", NULL, NULL,
GIMP_TYPE_DIALOG_FACTORY,
G_PARAM_READWRITE |
G_PARAM_CONSTRUCT_ONLY));
gtk_widget_class_install_style_property (widget_class,
g_param_spec_int ("default_height",
NULL, NULL,
-1,
G_MAXINT,
DEFAULT_DOCK_HEIGHT,
G_PARAM_READABLE));
gtk_widget_class_install_style_property (widget_class,
g_param_spec_int ("separator_height",
NULL, NULL,
0,
G_MAXINT,
DEFAULT_SEPARATOR_HEIGHT,
G_PARAM_READABLE));
}
static void
gimp_dock_init (GimpDock *dock)
{
GtkWidget *separator;
dock->context = NULL;
gtk_window_set_role (GTK_WINDOW (dock), "gimp-dock");
gtk_window_set_resizable (GTK_WINDOW (dock), TRUE);
dock->main_vbox = gtk_vbox_new (FALSE, 0);
gtk_container_add (GTK_CONTAINER (dock), dock->main_vbox);
gtk_widget_show (dock->main_vbox);
dock->vbox = gtk_vbox_new (FALSE, 0);
gtk_container_add (GTK_CONTAINER (dock->main_vbox), dock->vbox);
gtk_widget_show (dock->vbox);
separator = gimp_dock_separator_new (dock);
gtk_box_pack_start (GTK_BOX (dock->vbox), separator, FALSE, FALSE, 0);
gtk_widget_show (separator);
}
static void
gimp_dock_set_property (GObject *object,
guint property_id,
const GValue *value,
GParamSpec *pspec)
{
GimpDock *dock = GIMP_DOCK (object);
switch (property_id)
{
case PROP_CONTEXT:
dock->context = GIMP_CONTEXT (g_value_dup_object (value));
break;
case PROP_DIALOG_FACTORY:
dock->dialog_factory = GIMP_DIALOG_FACTORY (g_value_get_object (value));
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);
break;
}
}
static void
gimp_dock_get_property (GObject *object,
guint property_id,
GValue *value,
GParamSpec *pspec)
{
GimpDock *dock = GIMP_DOCK (object);
switch (property_id)
{
case PROP_CONTEXT:
g_value_set_object (value, dock->context);
break;
case PROP_DIALOG_FACTORY:
g_value_set_object (value, dock->dialog_factory);
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);
break;
}
}
static GObject *
gimp_dock_constructor (GType type,
guint n_params,
GObjectConstructParam *params)
{
GObject *object;
GimpDock *dock;
GimpGuiConfig *config;
object = G_OBJECT_CLASS (parent_class)->constructor (type, n_params, params);
dock = GIMP_DOCK (object);
g_assert (GIMP_IS_CONTEXT (dock->context));
g_assert (GIMP_IS_DIALOG_FACTORY (dock->dialog_factory));
config = GIMP_GUI_CONFIG (dock->context->gimp->config);
gimp_window_set_hint (GTK_WINDOW (dock), config->dock_window_hint);
return object;
}
static void
gimp_dock_destroy (GtkObject *object)
{
GimpDock *dock = GIMP_DOCK (object);
while (dock->dockbooks)
gimp_dock_remove_book (dock, GIMP_DOCKBOOK (dock->dockbooks->data));
if (dock->context)
{
g_object_unref (dock->context);
dock->context = NULL;
}
GTK_OBJECT_CLASS (parent_class)->destroy (object);
}
static gboolean
gimp_dock_key_press_event (GtkWidget *widget,
GdkEventKey *event)
{
GtkWindow *window = GTK_WINDOW (widget);
gboolean handled = FALSE;
/* we're overriding the GtkWindow implementation here to give
* the focus widget precedence over unmodified accelerators
* before the accelerator activation scheme.
*/
/* invoke control/alt accelerators */
if (! handled && event->state & (GDK_CONTROL_MASK | GDK_MOD1_MASK))
handled = gtk_window_activate_key (window, event);
/* invoke focus widget handlers */
if (! handled)
handled = gtk_window_propagate_key_event (window, event);
/* invoke non-(control/alt) accelerators */
if (! handled && ! (event->state & (GDK_CONTROL_MASK | GDK_MOD1_MASK)))
handled = gtk_window_activate_key (window, event);
/* chain up, bypassing gtk_window_key_press(), to invoke binding set */
if (! handled)
handled = GTK_WIDGET_CLASS (g_type_class_peek (g_type_parent (GTK_TYPE_WINDOW)))->key_press_event (widget, event);
return handled;
}
static void
gimp_dock_style_set (GtkWidget *widget,
GtkStyle *prev_style)
{
GimpDock *dock;
GList *children;
GList *list;
gint default_height;
gint separator_height;
dock = GIMP_DOCK (widget);
if (GTK_WIDGET_CLASS (parent_class)->style_set)
GTK_WIDGET_CLASS (parent_class)->style_set (widget, prev_style);
gtk_widget_style_get (widget,
"default_height", &default_height,
"separator_height", &separator_height,
NULL);
gtk_window_set_default_size (GTK_WINDOW (widget), -1, default_height);
children = gtk_container_get_children (GTK_CONTAINER (dock->vbox));
for (list = children; list; list = g_list_next (list))
{
if (GTK_IS_EVENT_BOX (list->data))
gtk_widget_set_size_request (GTK_WIDGET (list->data),
-1, separator_height);
}
g_list_free (children);
}
static void
gimp_dock_real_book_added (GimpDock *dock,
GimpDockbook *dockbook)
{
}
static void
gimp_dock_real_book_removed (GimpDock *dock,
GimpDockbook *dockbook)
{
if (dock->dockbooks == NULL)
gtk_widget_destroy (GTK_WIDGET (dock));
}
static GtkWidget *
gimp_dock_separator_new (GimpDock *dock)
{
GtkWidget *event_box;
GtkWidget *frame;
gint separator_height;
event_box = gtk_event_box_new ();
gtk_widget_set_name (event_box, "gimp-dock-separator");
gtk_widget_style_get (GTK_WIDGET (dock),
"separator_height", &separator_height,
NULL);
gtk_widget_set_size_request (event_box, -1, separator_height);
frame = gtk_frame_new (NULL);
gtk_frame_set_shadow_type (GTK_FRAME (frame), GTK_SHADOW_OUT);
gtk_container_add (GTK_CONTAINER (event_box), frame);
gtk_widget_show (frame);
gimp_help_set_help_data (event_box,
_("You can drop dockable dialogs here."), NULL);
gtk_drag_dest_set (GTK_WIDGET (event_box),
GTK_DEST_DEFAULT_ALL,
dialog_target_table, G_N_ELEMENTS (dialog_target_table),
GDK_ACTION_MOVE);
g_signal_connect (event_box, "drag_leave",
G_CALLBACK (gimp_dock_separator_drag_leave),
NULL);
g_signal_connect (event_box, "drag_motion",
G_CALLBACK (gimp_dock_separator_drag_motion),
NULL);
g_signal_connect (event_box, "drag_drop",
G_CALLBACK (gimp_dock_separator_drag_drop),
dock);
return event_box;
}
void
gimp_dock_setup (GimpDock *dock,
const GimpDock *template)
{
g_return_if_fail (GIMP_IS_DOCK (dock));
g_return_if_fail (GIMP_IS_DOCK (template));
if (GIMP_DOCK_GET_CLASS (dock)->setup)
GIMP_DOCK_GET_CLASS (dock)->setup (dock, template);
}
void
gimp_dock_set_aux_info (GimpDock *dock,
GList *aux_info)
{
g_return_if_fail (GIMP_IS_DOCK (dock));
if (GIMP_DOCK_GET_CLASS (dock)->set_aux_info)
GIMP_DOCK_GET_CLASS (dock)->set_aux_info (dock, aux_info);
}
GList *
gimp_dock_get_aux_info (GimpDock *dock)
{
g_return_val_if_fail (GIMP_IS_DOCK (dock), NULL);
if (GIMP_DOCK_GET_CLASS (dock)->get_aux_info)
return GIMP_DOCK_GET_CLASS (dock)->get_aux_info (dock);
return NULL;
}
void
gimp_dock_add (GimpDock *dock,
GimpDockable *dockable,
gint section,
gint position)
{
GimpDockbook *dockbook;
g_return_if_fail (GIMP_IS_DOCK (dock));
g_return_if_fail (GIMP_IS_DOCKABLE (dockable));
g_return_if_fail (dockable->dockbook == NULL);
dockbook = GIMP_DOCKBOOK (dock->dockbooks->data);
gimp_dockbook_add (dockbook, dockable, position);
}
void
gimp_dock_remove (GimpDock *dock,
GimpDockable *dockable)
{
g_return_if_fail (GIMP_IS_DOCK (dock));
g_return_if_fail (GIMP_IS_DOCKABLE (dockable));
g_return_if_fail (dockable->dockbook != NULL);
g_return_if_fail (dockable->dockbook->dock == dock);
gimp_dockbook_remove (dockable->dockbook, dockable);
}
void
gimp_dock_add_book (GimpDock *dock,
GimpDockbook *dockbook,
gint index)
{
gint old_length;
g_return_if_fail (GIMP_IS_DOCK (dock));
g_return_if_fail (GIMP_IS_DOCKBOOK (dockbook));
g_return_if_fail (dockbook->dock == NULL);
old_length = g_list_length (dock->dockbooks);
if (index >= old_length || index < 0)
index = old_length;
dockbook->dock = dock;
dock->dockbooks = g_list_insert (dock->dockbooks, dockbook, index);
if (old_length == 0)
{
GtkWidget *separator;
gtk_box_pack_start (GTK_BOX (dock->vbox), GTK_WIDGET (dockbook),
TRUE, TRUE, 0);
separator = gimp_dock_separator_new (dock);
gtk_box_pack_end (GTK_BOX (dock->vbox), separator, FALSE, FALSE, 0);
gtk_widget_show (separator);
}
else
{
GtkWidget *old_book;
GtkWidget *parent;
GtkWidget *paned;
if (index == 0)
old_book = g_list_nth_data (dock->dockbooks, index + 1);
else
old_book = g_list_nth_data (dock->dockbooks, index - 1);
parent = old_book->parent;
if ((old_length > 1) && (index > 0))
{
GtkWidget *grandparent;
grandparent = parent->parent;
old_book = parent;
parent = grandparent;
}
g_object_ref (old_book);
gtk_container_remove (GTK_CONTAINER (parent), old_book);
paned = gtk_vpaned_new ();
if (GTK_IS_VPANED (parent))
gtk_paned_pack1 (GTK_PANED (parent), paned, TRUE, FALSE);
else
gtk_box_pack_start (GTK_BOX (parent), paned, TRUE, TRUE, 0);
gtk_widget_show (paned);
if (index == 0)
{
gtk_paned_pack1 (GTK_PANED (paned), GTK_WIDGET (dockbook),
TRUE, FALSE);
gtk_paned_pack2 (GTK_PANED (paned), old_book,
TRUE, FALSE);
}
else
{
gtk_paned_pack1 (GTK_PANED (paned), old_book,
TRUE, FALSE);
gtk_paned_pack2 (GTK_PANED (paned), GTK_WIDGET (dockbook),
TRUE, FALSE);
}
g_object_unref (old_book);
}
gtk_widget_show (GTK_WIDGET (dockbook));
g_signal_emit (dock, dock_signals[BOOK_ADDED], 0, dockbook);
}
void
gimp_dock_remove_book (GimpDock *dock,
GimpDockbook *dockbook)
{
gint old_length;
gint index;
g_return_if_fail (GIMP_IS_DOCK (dock));
g_return_if_fail (GIMP_IS_DOCKBOOK (dockbook));
g_return_if_fail (dockbook->dock == dock);
old_length = g_list_length (dock->dockbooks);
index = g_list_index (dock->dockbooks, dockbook);
dockbook->dock = NULL;
dock->dockbooks = g_list_remove (dock->dockbooks, dockbook);
g_object_ref (dockbook);
if (old_length == 1)
{
GtkWidget *separator;
GList *children;
children = gtk_container_get_children (GTK_CONTAINER (dock->vbox));
separator = g_list_nth_data (children, 2);
gtk_container_remove (GTK_CONTAINER (dock->vbox), separator);
gtk_container_remove (GTK_CONTAINER (dock->vbox), GTK_WIDGET (dockbook));
g_list_free (children);
}
else
{
GtkWidget *other_book;
GtkWidget *parent;
GtkWidget *grandparent;
parent = GTK_WIDGET (dockbook)->parent;
grandparent = parent->parent;
if (index == 0)
other_book = GTK_PANED (parent)->child2;
else
other_book = GTK_PANED (parent)->child1;
g_object_ref (other_book);
gtk_container_remove (GTK_CONTAINER (parent), other_book);
gtk_container_remove (GTK_CONTAINER (parent), GTK_WIDGET (dockbook));
gtk_container_remove (GTK_CONTAINER (grandparent), parent);
if (GTK_IS_VPANED (grandparent))
gtk_paned_pack1 (GTK_PANED (grandparent), other_book, TRUE, FALSE);
else
gtk_box_pack_start (GTK_BOX (dock->vbox), other_book, TRUE, TRUE, 0);
g_object_unref (other_book);
}
g_signal_emit (dock, dock_signals[BOOK_REMOVED], 0, dockbook);
g_object_unref (dockbook);
}
static void
gimp_dock_separator_drag_leave (GtkWidget *widget,
GdkDragContext *context,
guint time,
gpointer data)
{
gtk_widget_modify_bg (widget, GTK_STATE_NORMAL, NULL);
}
static gboolean
gimp_dock_separator_drag_motion (GtkWidget *widget,
GdkDragContext *context,
gint x,
gint y,
guint time,
gpointer data)
{
GdkColor *color = gtk_widget_get_style (widget)->bg + GTK_STATE_SELECTED;
gtk_widget_modify_bg (widget, GTK_STATE_NORMAL, color);
return FALSE;
}
static gboolean
gimp_dock_separator_drag_drop (GtkWidget *widget,
GdkDragContext *context,
gint x,
gint y,
guint time,
GimpDock *dock)
{
GtkWidget *source = gtk_drag_get_source_widget (context);
if (source)
{
GimpDockable *dockable;
if (GIMP_IS_DOCKABLE (source))
dockable = GIMP_DOCKABLE (source);
else
dockable = (GimpDockable *) g_object_get_data (G_OBJECT (source),
"gimp-dockable");
if (dockable)
{
GtkWidget *dockbook;
GList *children;
gint index;
g_object_set_data (G_OBJECT (dockable),
"gimp-dock-drag-widget", NULL);
children = gtk_container_get_children (GTK_CONTAINER (widget->parent));
index = g_list_index (children, widget);
g_list_free (children);
if (index == 0)
index = 0;
else if (index == 2)
index = -1;
/* if dropping to the same dock, take care that we don't try
* to reorder the *only* dockable in the dock
*/
if (dockable->dockbook->dock == dock)
{
gint n_books;
gint n_dockables;
n_books = g_list_length (dock->dockbooks);
children =
gtk_container_get_children (GTK_CONTAINER (dockable->dockbook));
n_dockables = g_list_length (children);
g_list_free (children);
if (n_books == 1 && n_dockables == 1)
return TRUE; /* successfully do nothing */
}
g_object_ref (dockable);
gimp_dockbook_remove (dockable->dockbook, dockable);
dockbook = gimp_dockbook_new (dock->dialog_factory->menu_factory);
gimp_dock_add_book (dock, GIMP_DOCKBOOK (dockbook), index);
gimp_dockbook_add (GIMP_DOCKBOOK (dockbook), dockable, -1);
g_object_unref (dockable);
return TRUE;
}
}
return FALSE;
}
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