gimp/app/widgets/gimpbrushfactoryview.c

248 lines
9.0 KiB
C

/* GIMP - The GNU Image Manipulation Program
* Copyright (C) 1995 Spencer Kimball and Peter Mattis
*
* gimpbrushfactoryview.c
* Copyright (C) 2001 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 <gegl.h>
#include <gtk/gtk.h>
#include "libgimpwidgets/gimpwidgets.h"
#include "widgets-types.h"
#include "core/gimpcontainer.h"
#include "core/gimpcontext.h"
#include "core/gimpbrush.h"
#include "core/gimpbrushgenerated.h"
#include "core/gimpdatafactory.h"
#include "gimpbrushfactoryview.h"
#include "gimpcontainerview.h"
#include "gimpmenufactory.h"
#include "gimpspinscale.h"
#include "gimpviewrenderer.h"
#include "gimp-intl.h"
static void gimp_brush_factory_view_dispose (GObject *object);
static void gimp_brush_factory_view_select_item (GimpContainerEditor *editor,
GimpViewable *viewable);
static void gimp_brush_factory_view_spacing_changed (GimpBrush *brush,
GimpBrushFactoryView *view);
static void gimp_brush_factory_view_spacing_update (GtkAdjustment *adjustment,
GimpBrushFactoryView *view);
G_DEFINE_TYPE (GimpBrushFactoryView, gimp_brush_factory_view,
GIMP_TYPE_DATA_FACTORY_VIEW)
#define parent_class gimp_brush_factory_view_parent_class
static void
gimp_brush_factory_view_class_init (GimpBrushFactoryViewClass *klass)
{
GObjectClass *object_class = G_OBJECT_CLASS (klass);
GimpContainerEditorClass *editor_class = GIMP_CONTAINER_EDITOR_CLASS (klass);
object_class->dispose = gimp_brush_factory_view_dispose;
editor_class->select_item = gimp_brush_factory_view_select_item;
}
static void
gimp_brush_factory_view_init (GimpBrushFactoryView *view)
{
view->spacing_adjustment = gtk_adjustment_new (0.0, 1.0, 5000.0,
1.0, 10.0, 0.0);
view->spacing_scale = gimp_spin_scale_new (view->spacing_adjustment,
_("Spacing"), 1);
gimp_spin_scale_set_scale_limits (GIMP_SPIN_SCALE (view->spacing_scale),
1.0, 200.0);
gimp_help_set_help_data (view->spacing_scale,
_("Percentage of width of brush"),
NULL);
g_signal_connect (view->spacing_adjustment, "value-changed",
G_CALLBACK (gimp_brush_factory_view_spacing_update),
view);
}
static void
gimp_brush_factory_view_dispose (GObject *object)
{
GimpBrushFactoryView *view = GIMP_BRUSH_FACTORY_VIEW (object);
GimpContainerEditor *editor = GIMP_CONTAINER_EDITOR (object);
if (view->spacing_changed_handler_id)
{
GimpDataFactory *factory;
GimpContainer *container;
factory = gimp_data_factory_view_get_data_factory (GIMP_DATA_FACTORY_VIEW (editor));
container = gimp_data_factory_get_container (factory);
gimp_container_remove_handler (container,
view->spacing_changed_handler_id);
view->spacing_changed_handler_id = 0;
}
G_OBJECT_CLASS (parent_class)->dispose (object);
}
GtkWidget *
gimp_brush_factory_view_new (GimpViewType view_type,
GimpDataFactory *factory,
GimpContext *context,
gboolean change_brush_spacing,
gint view_size,
gint view_border_width,
GimpMenuFactory *menu_factory)
{
GimpBrushFactoryView *factory_view;
GimpContainerEditor *editor;
g_return_val_if_fail (GIMP_IS_DATA_FACTORY (factory), NULL);
g_return_val_if_fail (GIMP_IS_CONTEXT (context), NULL);
g_return_val_if_fail (view_size > 0 &&
view_size <= GIMP_VIEWABLE_MAX_PREVIEW_SIZE, NULL);
g_return_val_if_fail (view_border_width >= 0 &&
view_border_width <= GIMP_VIEW_MAX_BORDER_WIDTH,
NULL);
g_return_val_if_fail (menu_factory == NULL ||
GIMP_IS_MENU_FACTORY (menu_factory), NULL);
factory_view = g_object_new (GIMP_TYPE_BRUSH_FACTORY_VIEW,
"view-type", view_type,
"data-factory", factory,
"context", context,
"view-size", view_size,
"view-border-width", view_border_width,
"menu-factory", menu_factory,
"menu-identifier", "<Brushes>",
"ui-path", "/brushes-popup",
"action-group", "brushes",
NULL);
factory_view->change_brush_spacing = change_brush_spacing;
editor = GIMP_CONTAINER_EDITOR (factory_view);
gtk_box_pack_end (GTK_BOX (editor->view), factory_view->spacing_scale,
FALSE, FALSE, 0);
gtk_widget_show (factory_view->spacing_scale);
factory_view->spacing_changed_handler_id =
gimp_container_add_handler (gimp_data_factory_get_container (factory), "spacing-changed",
G_CALLBACK (gimp_brush_factory_view_spacing_changed),
factory_view);
return GTK_WIDGET (factory_view);
}
static void
gimp_brush_factory_view_select_item (GimpContainerEditor *editor,
GimpViewable *viewable)
{
GimpBrushFactoryView *view = GIMP_BRUSH_FACTORY_VIEW (editor);
GimpContainer *container;
gboolean spacing_sensitive = FALSE;
if (GIMP_CONTAINER_EDITOR_CLASS (parent_class)->select_item)
GIMP_CONTAINER_EDITOR_CLASS (parent_class)->select_item (editor, viewable);
container = gimp_container_view_get_container (editor->view);
if (viewable && gimp_container_have (container, GIMP_OBJECT (viewable)))
{
GimpBrush *brush = GIMP_BRUSH (viewable);
spacing_sensitive = TRUE;
g_signal_handlers_block_by_func (view->spacing_adjustment,
gimp_brush_factory_view_spacing_update,
view);
gtk_adjustment_set_value (view->spacing_adjustment,
gimp_brush_get_spacing (brush));
g_signal_handlers_unblock_by_func (view->spacing_adjustment,
gimp_brush_factory_view_spacing_update,
view);
}
gtk_widget_set_sensitive (view->spacing_scale, spacing_sensitive);
}
static void
gimp_brush_factory_view_spacing_changed (GimpBrush *brush,
GimpBrushFactoryView *view)
{
GimpContainerEditor *editor = GIMP_CONTAINER_EDITOR (view);
GimpContext *context;
context = gimp_container_view_get_context (editor->view);
if (brush == gimp_context_get_brush (context))
{
g_signal_handlers_block_by_func (view->spacing_adjustment,
gimp_brush_factory_view_spacing_update,
view);
gtk_adjustment_set_value (view->spacing_adjustment,
gimp_brush_get_spacing (brush));
g_signal_handlers_unblock_by_func (view->spacing_adjustment,
gimp_brush_factory_view_spacing_update,
view);
}
}
static void
gimp_brush_factory_view_spacing_update (GtkAdjustment *adjustment,
GimpBrushFactoryView *view)
{
GimpContainerEditor *editor = GIMP_CONTAINER_EDITOR (view);
GimpContext *context;
GimpBrush *brush;
context = gimp_container_view_get_context (editor->view);
brush = gimp_context_get_brush (context);
if (brush && view->change_brush_spacing)
{
g_signal_handlers_block_by_func (brush,
gimp_brush_factory_view_spacing_changed,
view);
gimp_brush_set_spacing (brush, gtk_adjustment_get_value (adjustment));
g_signal_handlers_unblock_by_func (brush,
gimp_brush_factory_view_spacing_changed,
view);
}
}