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gimp/app/widgets/gimpdock.c

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/* GIMP - The GNU Image Manipulation Program
* Copyright (C) 1995 Spencer Kimball and Peter Mattis
*
* gimpdock.c
* Copyright (C) 2001-2005 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 <http://www.gnu.org/licenses/>.
*/
#include "config.h"
#include <gegl.h>
#include <gtk/gtk.h>
#include "libgimpwidgets/gimpwidgets.h"
#include "widgets-types.h"
#include "menus/menus.h"
#include "core/gimp.h"
#include "core/gimpcontext.h"
#include "core/gimpmarshal.h"
#include "gimpdialogfactory.h"
#include "gimpdock.h"
#include "gimpdockable.h"
#include "gimpdockbook.h"
#include "gimpdockcolumns.h"
#include "gimpdockcontainer.h"
#include "gimpdockwindow.h"
#include "gimppanedbox.h"
#include "gimpuimanager.h"
#include "gimpwidgets-utils.h"
#include "gimp-intl.h"
#define DEFAULT_DOCK_FONT_SCALE PANGO_SCALE_SMALL
enum
{
BOOK_ADDED,
BOOK_REMOVED,
DESCRIPTION_INVALIDATED,
GEOMETRY_INVALIDATED,
LAST_SIGNAL
};
struct _GimpDockPrivate
{
GtkWidget *temp_vbox;
GtkWidget *main_vbox;
GtkWidget *paned_vbox;
GList *dockbooks;
gint ID;
};
static void gimp_dock_dispose (GObject *object);
static void gimp_dock_style_set (GtkWidget *widget,
GtkStyle *prev_style);
static gchar * gimp_dock_real_get_description (GimpDock *dock,
gboolean complete);
static void gimp_dock_real_book_added (GimpDock *dock,
GimpDockbook *dockbook);
static void gimp_dock_real_book_removed (GimpDock *dock,
GimpDockbook *dockbook);
static void gimp_dock_invalidate_description (GimpDock *dock);
static gboolean gimp_dock_dropped_cb (GtkWidget *source,
gint insert_index,
gpointer data);
G_DEFINE_TYPE (GimpDock, gimp_dock, GTK_TYPE_BOX)
#define parent_class gimp_dock_parent_class
static guint dock_signals[LAST_SIGNAL] = { 0 };
static void
gimp_dock_class_init (GimpDockClass *klass)
{
GObjectClass *object_class = G_OBJECT_CLASS (klass);
GtkWidgetClass *widget_class = GTK_WIDGET_CLASS (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);
dock_signals[DESCRIPTION_INVALIDATED] =
g_signal_new ("description-invalidated",
G_TYPE_FROM_CLASS (klass),
G_SIGNAL_RUN_FIRST,
G_STRUCT_OFFSET (GimpDockClass, description_invalidated),
NULL, NULL,
gimp_marshal_VOID__VOID,
G_TYPE_NONE, 0);
dock_signals[GEOMETRY_INVALIDATED] =
g_signal_new ("geometry-invalidated",
G_TYPE_FROM_CLASS (klass),
G_SIGNAL_RUN_FIRST,
G_STRUCT_OFFSET (GimpDockClass, geometry_invalidated),
NULL, NULL,
gimp_marshal_VOID__VOID,
G_TYPE_NONE, 0);
object_class->dispose = gimp_dock_dispose;
widget_class->style_set = gimp_dock_style_set;
klass->get_description = gimp_dock_real_get_description;
klass->set_host_geometry_hints = NULL;
klass->book_added = gimp_dock_real_book_added;
klass->book_removed = gimp_dock_real_book_removed;
klass->description_invalidated = NULL;
klass->geometry_invalidated = NULL;
gtk_widget_class_install_style_property (widget_class,
g_param_spec_double ("font-scale",
NULL, NULL,
0.0,
G_MAXDOUBLE,
DEFAULT_DOCK_FONT_SCALE,
GIMP_PARAM_READABLE));
g_type_class_add_private (klass, sizeof (GimpDockPrivate));
}
static void
gimp_dock_init (GimpDock *dock)
{
static gint dock_ID = 1;
gchar *name = NULL;
gtk_orientable_set_orientation (GTK_ORIENTABLE (dock),
GTK_ORIENTATION_VERTICAL);
dock->p = G_TYPE_INSTANCE_GET_PRIVATE (dock,
GIMP_TYPE_DOCK,
GimpDockPrivate);
dock->p->ID = dock_ID++;
name = g_strdup_printf ("gimp-internal-dock-%d", dock->p->ID);
gtk_widget_set_name (GTK_WIDGET (dock), name);
g_free (name);
dock->p->temp_vbox = gtk_box_new (GTK_ORIENTATION_VERTICAL, 0);
gtk_box_pack_start (GTK_BOX (dock), dock->p->temp_vbox, FALSE, FALSE, 0);
/* Never show it */
dock->p->main_vbox = gtk_box_new (GTK_ORIENTATION_VERTICAL, 0);
gtk_box_pack_start (GTK_BOX (dock), dock->p->main_vbox, TRUE, TRUE, 0);
gtk_widget_show (dock->p->main_vbox);
dock->p->paned_vbox = gimp_paned_box_new (FALSE, 0, GTK_ORIENTATION_VERTICAL);
gimp_paned_box_set_dropped_cb (GIMP_PANED_BOX (dock->p->paned_vbox),
gimp_dock_dropped_cb,
dock);
gtk_box_pack_start (GTK_BOX (dock->p->main_vbox), dock->p->paned_vbox,
TRUE, TRUE, 0);
gtk_widget_show (dock->p->paned_vbox);
}
static void
gimp_dock_dispose (GObject *object)
{
GimpDock *dock = GIMP_DOCK (object);
while (dock->p->dockbooks)
{
GimpDockbook *dockbook = dock->p->dockbooks->data;
g_object_ref (dockbook);
gimp_dock_remove_book (dock, dockbook);
gtk_widget_destroy (GTK_WIDGET (dockbook));
g_object_unref (dockbook);
}
G_OBJECT_CLASS (parent_class)->dispose (object);
}
static void
gimp_dock_style_set (GtkWidget *widget,
GtkStyle *prev_style)
{
GimpDock *dock = GIMP_DOCK (widget);
gdouble font_scale = 1.0;
GTK_WIDGET_CLASS (parent_class)->style_set (widget, prev_style);
gtk_widget_style_get (widget,
"font-scale", &font_scale,
NULL);
if (font_scale != 1.0)
{
PangoContext *context;
PangoFontDescription *font_desc;
gint font_size;
gchar *font_str;
gchar *rc_string;
context = gtk_widget_get_pango_context (widget);
font_desc = pango_context_get_font_description (context);
font_desc = pango_font_description_copy (font_desc);
font_size = pango_font_description_get_size (font_desc);
font_size = font_scale * font_size;
pango_font_description_set_size (font_desc, font_size);
font_str = pango_font_description_to_string (font_desc);
pango_font_description_free (font_desc);
rc_string =
g_strdup_printf ("style \"gimp-dock-style\""
"{"
" font_name = \"%s\""
"}"
"widget \"*.gimp-internal-dock-%d.*\" style \"gimp-dock-style\"",
font_str,
dock->p->ID);
g_free (font_str);
gtk_rc_parse_string (rc_string);
g_free (rc_string);
gtk_widget_reset_rc_styles (widget);
}
}
static gchar *
gimp_dock_real_get_description (GimpDock *dock,
gboolean complete)
{
GString *desc;
GList *list;
desc = g_string_new (NULL);
for (list = gimp_dock_get_dockbooks (dock);
list;
list = g_list_next (list))
{
GimpDockbook *dockbook = list->data;
GList *children;
GList *child;
if (complete)
{
/* Include all dockables */
children = gtk_container_get_children (GTK_CONTAINER (dockbook));
}
else
{
GtkWidget *dockable = NULL;
gint page_num = 0;
page_num = gtk_notebook_get_current_page (GTK_NOTEBOOK (dockbook));
dockable = gtk_notebook_get_nth_page (GTK_NOTEBOOK (dockbook), page_num);
/* Only include active dockables */
children = g_list_append (NULL, dockable);
}
for (child = children; child; child = g_list_next (child))
{
GimpDockable *dockable = child->data;
g_string_append (desc, gimp_dockable_get_name (dockable));
if (g_list_next (child))
g_string_append (desc, GIMP_DOCK_DOCKABLE_SEPARATOR);
}
g_list_free (children);
if (g_list_next (list))
g_string_append (desc, GIMP_DOCK_BOOK_SEPARATOR);
}
return g_string_free (desc, FALSE);
}
static void
gimp_dock_real_book_added (GimpDock *dock,
GimpDockbook *dockbook)
{
g_signal_connect_object (dockbook, "switch-page",
G_CALLBACK (gimp_dock_invalidate_description),
dock, G_CONNECT_SWAPPED);
}
static void
gimp_dock_real_book_removed (GimpDock *dock,
GimpDockbook *dockbook)
{
g_signal_handlers_disconnect_by_func (dockbook,
gimp_dock_invalidate_description,
dock);
}
static void
gimp_dock_invalidate_description (GimpDock *dock)
{
g_return_if_fail (GIMP_IS_DOCK (dock));
g_signal_emit (dock, dock_signals[DESCRIPTION_INVALIDATED], 0);
}
static gboolean
gimp_dock_dropped_cb (GtkWidget *source,
gint insert_index,
gpointer data)
{
GimpDock *dock = GIMP_DOCK (data);
GimpDockable *dockable = gimp_dockbook_drag_source_to_dockable (source);
GtkWidget *dockbook = NULL;
if (!dockable )
return FALSE;
/* if dropping to the same dock, take care that we don't try
* to reorder the *only* dockable in the dock
*/
if (gimp_dockbook_get_dock (gimp_dockable_get_dockbook (dockable)) == dock)
{
GList *children;
gint n_books;
gint n_dockables;
n_books = g_list_length (gimp_dock_get_dockbooks (dock));
children = gtk_container_get_children (GTK_CONTAINER (gimp_dockable_get_dockbook (dockable)));
n_dockables = g_list_length (children);
g_list_free (children);
if (n_books == 1 && n_dockables == 1)
return TRUE; /* successfully do nothing */
}
/* Detach the dockable from the old dockbook */
g_object_ref (dockable);
gimp_dockbook_remove (gimp_dockable_get_dockbook (dockable), dockable);
/* Create a new dockbook */
dockbook = gimp_dockbook_new (global_menu_factory);
gimp_dock_add_book (dock, GIMP_DOCKBOOK (dockbook), insert_index);
/* Add the dockable to new new dockbook */
gimp_dockbook_add (GIMP_DOCKBOOK (dockbook), dockable, -1);
g_object_unref (dockable);
return TRUE;
}
/* public functions */
/**
* gimp_dock_get_description:
* @dock:
* @complete: If %TRUE, only includes the active dockables, i.e. not the
* dockables in a non-active GtkNotebook tab
*
* Returns: A string describing the contents of the dock.
**/
gchar *
gimp_dock_get_description (GimpDock *dock,
gboolean complete)
{
g_return_val_if_fail (GIMP_IS_DOCK (dock), NULL);
if (GIMP_DOCK_GET_CLASS (dock)->get_description)
return GIMP_DOCK_GET_CLASS (dock)->get_description (dock, complete);
return NULL;
}
/**
* gimp_dock_set_host_geometry_hints:
* @dock: The dock
* @window: The #GtkWindow to adapt to hosting the dock
*
* Some docks have some specific needs on the #GtkWindow they are
* in. This function allows such docks to perform any such setup on
* the #GtkWindow they are in/will be put in.
**/
void
gimp_dock_set_host_geometry_hints (GimpDock *dock,
GtkWindow *window)
{
g_return_if_fail (GIMP_IS_DOCK (dock));
g_return_if_fail (GTK_IS_WINDOW (window));
if (GIMP_DOCK_GET_CLASS (dock)->set_host_geometry_hints)
GIMP_DOCK_GET_CLASS (dock)->set_host_geometry_hints (dock, window);
}
/**
* gimp_dock_invalidate_geometry:
* @dock:
*
* Call when the dock needs to setup its host #GtkWindow with
* GtkDock::set_host_geometry_hints().
**/
void
gimp_dock_invalidate_geometry (GimpDock *dock)
{
g_return_if_fail (GIMP_IS_DOCK (dock));
g_signal_emit (dock, dock_signals[GEOMETRY_INVALIDATED], 0);
}
/**
* gimp_dock_update_with_context:
* @dock:
* @context:
*
* Set the @context on all dockables in the @dock.
**/
void
gimp_dock_update_with_context (GimpDock *dock,
GimpContext *context)
{
GList *iter = NULL;
for (iter = gimp_dock_get_dockbooks (dock);
iter;
iter = g_list_next (iter))
{
GimpDockbook *dockbook = GIMP_DOCKBOOK (iter->data);
gimp_dockbook_update_with_context (dockbook, context);
}
}
/**
* gimp_dock_get_context:
* @dock:
*
* Returns: The #GimpContext for the #GimpDockWindow the @dock is in.
**/
GimpContext *
gimp_dock_get_context (GimpDock *dock)
{
GimpContext *context = NULL;
g_return_val_if_fail (GIMP_IS_DOCK (dock), NULL);
/* First try GimpDockColumns */
if (! context)
{
GimpDockColumns *dock_columns;
dock_columns =
GIMP_DOCK_COLUMNS (gtk_widget_get_ancestor (GTK_WIDGET (dock),
GIMP_TYPE_DOCK_COLUMNS));
if (dock_columns)
context = gimp_dock_columns_get_context (dock_columns);
}
/* Then GimpDockWindow */
if (! context)
{
GimpDockWindow *dock_window = gimp_dock_window_from_dock (dock);
if (dock_window)
context = gimp_dock_window_get_context (dock_window);
}
return context;
}
/**
* gimp_dock_get_dialog_factory:
* @dock:
*
* Returns: The #GimpDialogFactory for the #GimpDockWindow the @dock
* is in.
**/
GimpDialogFactory *
gimp_dock_get_dialog_factory (GimpDock *dock)
{
GimpDialogFactory *dialog_factory = NULL;
g_return_val_if_fail (GIMP_IS_DOCK (dock), NULL);
/* First try GimpDockColumns */
if (! dialog_factory)
{
GimpDockColumns *dock_columns;
dock_columns =
GIMP_DOCK_COLUMNS (gtk_widget_get_ancestor (GTK_WIDGET (dock),
GIMP_TYPE_DOCK_COLUMNS));
if (dock_columns)
dialog_factory = gimp_dock_columns_get_dialog_factory (dock_columns);
}
/* Then GimpDockWindow */
if (! dialog_factory)
{
GimpDockWindow *dock_window = gimp_dock_window_from_dock (dock);
if (dock_window)
dialog_factory = gimp_dock_window_get_dialog_factory (dock_window);
}
return dialog_factory;
}
/**
* gimp_dock_get_ui_manager:
* @dock:
*
* Returns: The #GimpUIManager for the #GimpDockWindow the @dock is
* in.
**/
GimpUIManager *
gimp_dock_get_ui_manager (GimpDock *dock)
{
GimpUIManager *ui_manager = NULL;
g_return_val_if_fail (GIMP_IS_DOCK (dock), NULL);
/* First try GimpDockColumns */
if (! ui_manager)
{
GimpDockColumns *dock_columns;
dock_columns =
GIMP_DOCK_COLUMNS (gtk_widget_get_ancestor (GTK_WIDGET (dock),
GIMP_TYPE_DOCK_COLUMNS));
if (dock_columns)
ui_manager = gimp_dock_columns_get_ui_manager (dock_columns);
}
/* Then GimpDockContainer */
if (! ui_manager)
{
GimpDockWindow *dock_window = gimp_dock_window_from_dock (dock);
if (dock_window)
{
GimpDockContainer *dock_container = GIMP_DOCK_CONTAINER (dock_window);
ui_manager = gimp_dock_container_get_ui_manager (dock_container);
}
}
return ui_manager;
}
GList *
gimp_dock_get_dockbooks (GimpDock *dock)
{
g_return_val_if_fail (GIMP_IS_DOCK (dock), NULL);
return dock->p->dockbooks;
}
gint
gimp_dock_get_n_dockables (GimpDock *dock)
{
GList *list = NULL;
gint n = 0;
g_return_val_if_fail (GIMP_IS_DOCK (dock), 0);
for (list = dock->p->dockbooks; list; list = list->next)
n += gtk_notebook_get_n_pages (GTK_NOTEBOOK (list->data));
return n;
}
GtkWidget *
gimp_dock_get_main_vbox (GimpDock *dock)
{
g_return_val_if_fail (GIMP_IS_DOCK (dock), NULL);
return dock->p->main_vbox;
}
GtkWidget *
gimp_dock_get_vbox (GimpDock *dock)
{
g_return_val_if_fail (GIMP_IS_DOCK (dock), NULL);
return dock->p->paned_vbox;
}
gint
gimp_dock_get_id (GimpDock *dock)
{
g_return_val_if_fail (GIMP_IS_DOCK (dock), 0);
return dock->p->ID;
}
void
gimp_dock_set_id (GimpDock *dock,
gint ID)
{
g_return_if_fail (GIMP_IS_DOCK (dock));
dock->p->ID = ID;
}
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 (gimp_dockable_get_dockbook (dockable) == NULL);
dockbook = GIMP_DOCKBOOK (dock->p->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 (gimp_dockable_get_dockbook (dockable) != NULL);
g_return_if_fail (gimp_dockbook_get_dock (gimp_dockable_get_dockbook (dockable)) == dock);
gimp_dockbook_remove (gimp_dockable_get_dockbook (dockable), dockable);
}
void
gimp_dock_add_book (GimpDock *dock,
GimpDockbook *dockbook,
gint index)
{
g_return_if_fail (GIMP_IS_DOCK (dock));
g_return_if_fail (GIMP_IS_DOCKBOOK (dockbook));
g_return_if_fail (gimp_dockbook_get_dock (dockbook) == NULL);
gimp_dockbook_set_dock (dockbook, dock);
g_signal_connect_object (dockbook, "dockable-added",
G_CALLBACK (gimp_dock_invalidate_description),
dock, G_CONNECT_SWAPPED);
g_signal_connect_object (dockbook, "dockable-removed",
G_CALLBACK (gimp_dock_invalidate_description),
dock, G_CONNECT_SWAPPED);
g_signal_connect_object (dockbook, "dockable-reordered",
G_CALLBACK (gimp_dock_invalidate_description),
dock, G_CONNECT_SWAPPED);
dock->p->dockbooks = g_list_insert (dock->p->dockbooks, dockbook, index);
gimp_paned_box_add_widget (GIMP_PANED_BOX (dock->p->paned_vbox),
GTK_WIDGET (dockbook),
index);
gtk_widget_show (GTK_WIDGET (dockbook));
gimp_dock_invalidate_description (dock);
g_signal_emit (dock, dock_signals[BOOK_ADDED], 0, dockbook);
}
void
gimp_dock_remove_book (GimpDock *dock,
GimpDockbook *dockbook)
{
g_return_if_fail (GIMP_IS_DOCK (dock));
g_return_if_fail (GIMP_IS_DOCKBOOK (dockbook));
g_return_if_fail (gimp_dockbook_get_dock (dockbook) == dock);
gimp_dockbook_set_dock (dockbook, NULL);
g_signal_handlers_disconnect_by_func (dockbook,
gimp_dock_invalidate_description,
dock);
/* Ref the dockbook so we can emit the "book-removed" signal and
* pass it as a parameter before it's destroyed
*/
g_object_ref (dockbook);
dock->p->dockbooks = g_list_remove (dock->p->dockbooks, dockbook);
gimp_paned_box_remove_widget (GIMP_PANED_BOX (dock->p->paned_vbox),
GTK_WIDGET (dockbook));
gimp_dock_invalidate_description (dock);
g_signal_emit (dock, dock_signals[BOOK_REMOVED], 0, dockbook);
g_object_unref (dockbook);
}
/**
* gimp_dock_temp_add:
* @dock:
* @widget:
*
* Method to temporarily add a widget to the dock, for example to make
* font-scale style property to be applied temporarily to the
* child.
**/
void
gimp_dock_temp_add (GimpDock *dock,
GtkWidget *child)
{
g_return_if_fail (GIMP_IS_DOCK (dock));
g_return_if_fail (GTK_IS_WIDGET (child));
gtk_box_pack_start (GTK_BOX (dock->p->temp_vbox), child, FALSE, FALSE, 0);
}
/**
* gimp_dock_temp_remove:
* @dock:
* @child:
*
* Removes a temporarly child added with gimp_dock_temp_add().
**/
void
gimp_dock_temp_remove (GimpDock *dock,
GtkWidget *child)
{
g_return_if_fail (GIMP_IS_DOCK (dock));
g_return_if_fail (GTK_IS_WIDGET (child));
gtk_container_remove (GTK_CONTAINER (dock->p->temp_vbox), child);
}
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