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  • Committer: Bazaar Package Importer
  • Author(s): Sebastien Bacher
  • Date: 2005-04-04 14:51:23 UTC
  • Revision ID: james.westby@ubuntu.com-20050404145123-9py049eeelfymur8
Tags: upstream-2.2.2
Import upstream version 2.2.2

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app/tools/gimperasertool.c
 
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/* The GIMP -- an image manipulation program
 
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 * Copyright (C) 1995 Spencer Kimball and Peter Mattis
 
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 *
 
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 * This program is free software; you can redistribute it and/or modify
 
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 * it under the terms of the GNU General Public License as published by
 
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 * the Free Software Foundation; either version 2 of the License, or
 
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 * (at your option) any later version.
 
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 *
 
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 * This program is distributed in the hope that it will be useful,
 
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 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 
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 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 
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 * GNU General Public License for more details.
 
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 *
 
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 * You should have received a copy of the GNU General Public License
 
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 * along with this program; if not, write to the Free Software
 
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 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
 
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 */
 
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#include "config.h"
 
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#include <gtk/gtk.h>
 
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#include "libgimpwidgets/gimpwidgets.h"
 
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#include "tools-types.h"
 
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#include "core/gimptoolinfo.h"
 
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#include "paint/gimperaseroptions.h"
 
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#include "widgets/gimphelp-ids.h"
 
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#include "widgets/gimppropwidgets.h"
 
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#include "widgets/gimpwidgets-utils.h"
 
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#include "gimperasertool.h"
 
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#include "gimppaintoptions-gui.h"
 
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#include "gimptoolcontrol.h"
 
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#include "gimp-intl.h"
 
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static void   gimp_eraser_tool_class_init    (GimpEraserToolClass  *klass);
 
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static void   gimp_eraser_tool_init          (GimpEraserTool       *eraser);
 
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static void   gimp_eraser_tool_modifier_key  (GimpTool             *tool,
 
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                                              GdkModifierType       key,
 
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                                              gboolean              press,
 
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                                              GdkModifierType       state,
 
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                                              GimpDisplay          *gdisp);
 
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static void   gimp_eraser_tool_cursor_update (GimpTool             *tool,
 
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                                              GimpCoords           *coords,
 
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                                              GdkModifierType       state,
 
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                                              GimpDisplay          *gdisp);
 
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static GtkWidget * gimp_eraser_options_gui   (GimpToolOptions      *tool_options);
 
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static GimpPaintToolClass *parent_class = NULL;
 
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void
 
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gimp_eraser_tool_register (GimpToolRegisterCallback  callback,
 
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                           gpointer                  data)
 
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{
 
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  (* callback) (GIMP_TYPE_ERASER_TOOL,
 
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                GIMP_TYPE_ERASER_OPTIONS,
 
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                gimp_eraser_options_gui,
 
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                GIMP_PAINT_OPTIONS_CONTEXT_MASK,
 
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                "gimp-eraser-tool",
 
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                _("Eraser"),
 
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                _("Erase to background or transparency"),
 
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                N_("_Eraser"), "<shift>E",
 
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                NULL, GIMP_HELP_TOOL_ERASER,
 
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                GIMP_STOCK_TOOL_ERASER,
 
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                data);
 
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}
 
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GType
 
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gimp_eraser_tool_get_type (void)
 
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{
 
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  static GType tool_type = 0;
 
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  if (! tool_type)
 
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    {
 
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      static const GTypeInfo tool_info =
 
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      {
 
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        sizeof (GimpEraserToolClass),
 
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        (GBaseInitFunc) NULL,
 
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        (GBaseFinalizeFunc) NULL,
 
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        (GClassInitFunc) gimp_eraser_tool_class_init,
 
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        NULL,           /* class_finalize */
 
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        NULL,           /* class_data     */
 
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        sizeof (GimpEraserTool),
 
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        0,              /* n_preallocs    */
 
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        (GInstanceInitFunc) gimp_eraser_tool_init,
 
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      };
 
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      tool_type = g_type_register_static (GIMP_TYPE_PAINT_TOOL,
 
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                                          "GimpEraserTool",
 
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                                          &tool_info, 0);
 
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    }
 
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  return tool_type;
 
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}
 
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static void
 
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gimp_eraser_tool_class_init (GimpEraserToolClass *klass)
 
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{
 
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  GimpToolClass *tool_class = GIMP_TOOL_CLASS (klass);
 
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  parent_class = g_type_class_peek_parent (klass);
 
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  tool_class->modifier_key  = gimp_eraser_tool_modifier_key;
 
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  tool_class->cursor_update = gimp_eraser_tool_cursor_update;
 
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}
 
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static void
 
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gimp_eraser_tool_init (GimpEraserTool *eraser)
 
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{
 
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  GimpTool *tool = GIMP_TOOL (eraser);
 
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  gimp_tool_control_set_tool_cursor            (tool->control,
 
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                                                GIMP_TOOL_CURSOR_ERASER);
 
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  gimp_tool_control_set_toggle_tool_cursor     (tool->control,
 
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                                                GIMP_TOOL_CURSOR_ERASER);
 
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  gimp_tool_control_set_toggle_cursor_modifier (tool->control,
 
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                                                GIMP_CURSOR_MODIFIER_MINUS);
 
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  gimp_paint_tool_enable_color_picker (GIMP_PAINT_TOOL (eraser),
 
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                                       GIMP_COLOR_PICK_MODE_BACKGROUND);
 
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}
 
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static void
 
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gimp_eraser_tool_modifier_key (GimpTool        *tool,
 
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                               GdkModifierType  key,
 
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                               gboolean         press,
 
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                               GdkModifierType  state,
 
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                               GimpDisplay     *gdisp)
 
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{
 
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  if (key == GDK_MOD1_MASK)
 
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    {
 
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      GimpEraserOptions *options;
 
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      options = GIMP_ERASER_OPTIONS (tool->tool_info->tool_options);
 
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      g_object_set (options,
 
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                    "anti-erase", ! options->anti_erase,
 
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                    NULL);
 
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    }
 
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151
  GIMP_TOOL_CLASS (parent_class)->modifier_key (tool, key, press, state, gdisp);
 
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}
 
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154
static void
 
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gimp_eraser_tool_cursor_update (GimpTool        *tool,
 
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                                GimpCoords      *coords,
 
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                                GdkModifierType  state,
 
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                                GimpDisplay     *gdisp)
 
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{
 
160
  GimpEraserOptions *options;
 
161
 
 
162
  options = GIMP_ERASER_OPTIONS (tool->tool_info->tool_options);
 
163
 
 
164
  gimp_tool_control_set_toggle (tool->control, options->anti_erase);
 
165
 
 
166
  GIMP_TOOL_CLASS (parent_class)->cursor_update (tool, coords, state, gdisp);
 
167
}
 
168
 
 
169
 
 
170
/*  tool options stuff  */
 
171
 
 
172
static GtkWidget *
 
173
gimp_eraser_options_gui (GimpToolOptions *tool_options)
 
174
{
 
175
  GObject   *config;
 
176
  GtkWidget *vbox;
 
177
  GtkWidget *button;
 
178
  gchar     *str;
 
179
 
 
180
  config = G_OBJECT (tool_options);
 
181
 
 
182
  vbox = gimp_paint_options_gui (tool_options);
 
183
 
 
184
  /* the anti_erase toggle */
 
185
  str = g_strdup_printf (_("Anti erase  %s"),
 
186
                         gimp_get_mod_string (GDK_MOD1_MASK));
 
187
 
 
188
  button = gimp_prop_check_button_new (config, "anti-erase", str);
 
189
  gtk_box_pack_start (GTK_BOX (vbox), button, FALSE, FALSE, 0);
 
190
  gtk_widget_show (button);
 
191
 
 
192
  g_free (str);
 
193
 
 
194
  return vbox;
 
195
}