mirror of
https://gitlab.gnome.org/GNOME/gimp
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613e328f13
2004-01-21 Michael Natterer <mitch@gimp.org> * app/tools/gimptool.[ch]: added boolean return value to GimpTool::initialize(). Returning FALSE means the tool could not be initialized and doesn't want to receive button events. Return TRUE from the default implementation. * app/tools/tool_manager.[ch]: added boolean return value to tool_manager_initialize_active(). Don't set the tool's display or drawable if initialize() returns FALSE. * app/display/gimpdisplayshell-callbacks.c: don't send button events to the tool if initialize() returns FALSE. * app/tools/gimpbrightnesscontrasttool.c * app/tools/gimpcolorbalancetool.c * app/tools/gimpcolorizetool.c * app/tools/gimpcurvestool.c * app/tools/gimphuesaturationtool.c * app/tools/gimplevelstool.c * app/tools/gimpposterizetool.c * app/tools/gimpthresholdtool.c: return FALSE for NULL and indexed drawables. * app/tools/gimpimagemaptool.c: always return TRUE because our subclasses already checked if the active drawable is OK. * app/tools/gimptransformtool.c: return FALSE for layers with masks. Fixes bug #132089. Some random cleanups.
443 lines
13 KiB
C
443 lines
13 KiB
C
/* 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/gimp.h"
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#include "core/gimpcontext.h"
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#include "core/gimpdrawable.h"
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#include "core/gimpimage.h"
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#include "core/gimpimage-pick-color.h"
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#include "core/gimpimagemap.h"
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#include "core/gimptoolinfo.h"
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#include "widgets/gimpitemfactory.h"
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#include "widgets/gimptooldialog.h"
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#include "widgets/gimpviewabledialog.h"
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#include "display/gimpdisplay.h"
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#include "display/gimpdisplayshell.h"
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#include "gimpcoloroptions.h"
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#include "gimpimagemaptool.h"
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#include "gimptoolcontrol.h"
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#include "gimp-intl.h"
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/* local function prototypes */
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static void gimp_image_map_tool_class_init (GimpImageMapToolClass *klass);
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static void gimp_image_map_tool_init (GimpImageMapTool *image_map_tool);
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static void gimp_image_map_tool_finalize (GObject *object);
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static gboolean gimp_image_map_tool_initialize (GimpTool *tool,
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GimpDisplay *gdisp);
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static void gimp_image_map_tool_control (GimpTool *tool,
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GimpToolAction action,
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GimpDisplay *gdisp);
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static gboolean gimp_image_map_tool_pick_color (GimpColorTool *color_tool,
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gint x,
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gint y,
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GimpImageType *sample_type,
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GimpRGB *color,
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gint *color_index);
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static void gimp_image_map_tool_map (GimpImageMapTool *image_map_tool);
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static void gimp_image_map_tool_dialog (GimpImageMapTool *image_map_tool);
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static void gimp_image_map_tool_reset (GimpImageMapTool *image_map_tool);
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static void gimp_image_map_tool_flush (GimpImageMap *image_map,
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GimpImageMapTool *image_map_tool);
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static void gimp_image_map_tool_response (GtkWidget *widget,
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gint response_id,
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GimpImageMapTool *image_map_tool);
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static void gimp_image_map_tool_preview_toggled (GtkWidget *widget,
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GimpImageMapTool *image_map_tool);
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static GimpToolClass *parent_class = NULL;
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GType
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gimp_image_map_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 (GimpImageMapToolClass),
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(GBaseInitFunc) NULL,
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(GBaseFinalizeFunc) NULL,
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(GClassInitFunc) gimp_image_map_tool_class_init,
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NULL, /* class_finalize */
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NULL, /* class_data */
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sizeof (GimpImageMapTool),
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0, /* n_preallocs */
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(GInstanceInitFunc) gimp_image_map_tool_init,
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};
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tool_type = g_type_register_static (GIMP_TYPE_COLOR_TOOL,
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"GimpImageMapTool",
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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_image_map_tool_class_init (GimpImageMapToolClass *klass)
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{
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GObjectClass *object_class;
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GimpToolClass *tool_class;
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GimpColorToolClass *color_tool_class;
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object_class = G_OBJECT_CLASS (klass);
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tool_class = GIMP_TOOL_CLASS (klass);
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color_tool_class = GIMP_COLOR_TOOL_CLASS (klass);
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parent_class = g_type_class_peek_parent (klass);
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object_class->finalize = gimp_image_map_tool_finalize;
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tool_class->initialize = gimp_image_map_tool_initialize;
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tool_class->control = gimp_image_map_tool_control;
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color_tool_class->pick = gimp_image_map_tool_pick_color;
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klass->map = NULL;
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klass->dialog = NULL;
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klass->reset = NULL;
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}
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static void
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gimp_image_map_tool_init (GimpImageMapTool *image_map_tool)
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{
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GimpTool *tool = GIMP_TOOL (image_map_tool);
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gimp_tool_control_set_scroll_lock (tool->control, TRUE);
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gimp_tool_control_set_preserve (tool->control, FALSE);
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image_map_tool->drawable = NULL;
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image_map_tool->image_map = NULL;
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image_map_tool->preview = TRUE;
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image_map_tool->shell_desc = NULL;
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image_map_tool->shell = NULL;
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image_map_tool->main_vbox = NULL;
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}
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void
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gimp_image_map_tool_preview (GimpImageMapTool *image_map_tool)
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{
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GimpTool *tool;
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g_return_if_fail (GIMP_IS_IMAGE_MAP_TOOL (image_map_tool));
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tool = GIMP_TOOL (image_map_tool);
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if (image_map_tool->preview)
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{
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gimp_tool_control_set_preserve (tool->control, TRUE);
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gimp_image_map_tool_map (image_map_tool);
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gimp_tool_control_set_preserve (tool->control, FALSE);
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}
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}
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static void
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gimp_image_map_tool_finalize (GObject *object)
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{
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GimpImageMapTool *image_map_tool = GIMP_IMAGE_MAP_TOOL (object);
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if (image_map_tool->shell)
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{
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gtk_widget_destroy (image_map_tool->shell);
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image_map_tool->shell = NULL;
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image_map_tool->main_vbox = NULL;
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}
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G_OBJECT_CLASS (parent_class)->finalize (object);
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}
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#define RESPONSE_RESET 1
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static gboolean
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gimp_image_map_tool_initialize (GimpTool *tool,
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GimpDisplay *gdisp)
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{
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GimpImageMapTool *image_map_tool = GIMP_IMAGE_MAP_TOOL (tool);
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GimpToolInfo *tool_info;
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GimpDrawable *drawable;
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tool_info = tool->tool_info;
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/* set gdisp so the dialog can be hidden on display destruction */
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tool->gdisp = gdisp;
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if (! image_map_tool->shell)
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{
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GtkWidget *shell;
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GtkWidget *vbox;
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GtkWidget *toggle;
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const gchar *stock_id;
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stock_id = gimp_viewable_get_stock_id (GIMP_VIEWABLE (tool_info));
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image_map_tool->shell = shell =
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gimp_tool_dialog_new (tool_info,
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gdisp->shell,
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image_map_tool->shell_desc,
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GIMP_STOCK_RESET, RESPONSE_RESET,
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GTK_STOCK_CANCEL, GTK_RESPONSE_CANCEL,
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GTK_STOCK_OK, GTK_RESPONSE_OK,
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NULL);
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g_signal_connect_object (shell, "response",
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G_CALLBACK (gimp_image_map_tool_response),
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G_OBJECT (image_map_tool), 0);
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image_map_tool->main_vbox = vbox = gtk_vbox_new (FALSE, 4);
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gtk_container_set_border_width (GTK_CONTAINER (vbox), 6);
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gtk_container_add (GTK_CONTAINER (GTK_DIALOG (shell)->vbox), vbox);
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/* The preview toggle */
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toggle = gtk_check_button_new_with_mnemonic (_("_Preview"));
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gtk_toggle_button_set_active (GTK_TOGGLE_BUTTON (toggle),
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image_map_tool->preview);
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gtk_box_pack_end (GTK_BOX (image_map_tool->main_vbox), toggle,
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FALSE, FALSE, 0);
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gtk_widget_show (toggle);
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g_signal_connect (toggle, "toggled",
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G_CALLBACK (gimp_image_map_tool_preview_toggled),
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image_map_tool);
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/* Fill in subclass widgets */
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gimp_image_map_tool_dialog (image_map_tool);
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gtk_widget_show (vbox);
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}
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drawable = gimp_image_active_drawable (gdisp->gimage);
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gimp_viewable_dialog_set_viewable (GIMP_VIEWABLE_DIALOG (image_map_tool->shell),
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GIMP_VIEWABLE (drawable));
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gtk_widget_show (image_map_tool->shell);
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image_map_tool->drawable = drawable;
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image_map_tool->image_map = gimp_image_map_new (TRUE, drawable,
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tool_info->blurb);
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g_signal_connect (image_map_tool->image_map, "flush",
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G_CALLBACK (gimp_image_map_tool_flush),
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image_map_tool);
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{
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GimpDisplayShell *shell = GIMP_DISPLAY_SHELL (gdisp->shell);
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gimp_item_factory_update (shell->menubar_factory, shell);
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gimp_item_factory_update (shell->popup_factory, shell);
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}
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return TRUE;
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}
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static void
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gimp_image_map_tool_control (GimpTool *tool,
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GimpToolAction action,
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GimpDisplay *gdisp)
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{
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GimpImageMapTool *image_map_tool = GIMP_IMAGE_MAP_TOOL (tool);
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switch (action)
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{
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case HALT:
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if (image_map_tool->shell)
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gtk_dialog_response (GTK_DIALOG (image_map_tool->shell),
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GTK_RESPONSE_CANCEL);
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break;
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default:
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break;
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}
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GIMP_TOOL_CLASS (parent_class)->control (tool, action, gdisp);
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}
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static gboolean
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gimp_image_map_tool_pick_color (GimpColorTool *color_tool,
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gint x,
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gint y,
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GimpImageType *sample_type,
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GimpRGB *color,
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gint *color_index)
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{
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GimpImageMapTool *tool = GIMP_IMAGE_MAP_TOOL (color_tool);
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*sample_type = gimp_drawable_type (tool->drawable);
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return gimp_image_pick_color_by_func (GIMP_OBJECT (tool->image_map), x, y,
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(GimpImagePickColorFunc) gimp_image_map_get_color_at,
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color_tool->options->sample_average,
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color_tool->options->average_radius,
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color, color_index);
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}
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static void
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gimp_image_map_tool_map (GimpImageMapTool *image_map_tool)
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{
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GIMP_IMAGE_MAP_TOOL_GET_CLASS (image_map_tool)->map (image_map_tool);
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}
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static void
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gimp_image_map_tool_dialog (GimpImageMapTool *image_map_tool)
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{
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GIMP_IMAGE_MAP_TOOL_GET_CLASS (image_map_tool)->dialog (image_map_tool);
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}
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static void
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gimp_image_map_tool_reset (GimpImageMapTool *image_map_tool)
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{
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GIMP_IMAGE_MAP_TOOL_GET_CLASS (image_map_tool)->reset (image_map_tool);
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}
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static void
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gimp_image_map_tool_flush (GimpImageMap *image_map,
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GimpImageMapTool *image_map_tool)
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{
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GimpTool *tool = GIMP_TOOL (image_map_tool);
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gimp_display_flush_now (tool->gdisp);
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}
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static void
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gimp_image_map_tool_response (GtkWidget *widget,
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gint response_id,
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GimpImageMapTool *image_map_tool)
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{
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GimpDisplayShell *shell;
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GimpTool *tool;
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tool = GIMP_TOOL (image_map_tool);
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switch (response_id)
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{
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case RESPONSE_RESET:
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gimp_image_map_tool_reset (image_map_tool);
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gimp_image_map_tool_preview (image_map_tool);
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break;
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case GTK_RESPONSE_OK:
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/* Fix for bug #126524 - only set shell in the case
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* where we need it */
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shell = GIMP_DISPLAY_SHELL (tool->gdisp->shell);
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gtk_widget_hide (image_map_tool->shell);
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gimp_tool_control_set_preserve (tool->control, TRUE);
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if (! image_map_tool->preview)
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{
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gimp_image_map_tool_map (image_map_tool);
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}
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if (image_map_tool->image_map)
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{
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gimp_image_map_commit (image_map_tool->image_map);
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image_map_tool->image_map = NULL;
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}
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gimp_tool_control_set_preserve (tool->control, FALSE);
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gimp_item_factory_update (shell->menubar_factory, shell);
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if (shell->gdisp == gimp_context_get_display
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(gimp_get_user_context (shell->gdisp->gimage->gimp)))
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gimp_item_factory_update (shell->popup_factory, shell);
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tool->gdisp = NULL;
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tool->drawable = NULL;
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break;
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default:
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gtk_widget_hide (image_map_tool->shell);
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if (image_map_tool->image_map)
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{
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gimp_tool_control_set_preserve (tool->control, TRUE);
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gimp_image_map_abort (image_map_tool->image_map);
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image_map_tool->image_map = NULL;
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gimp_tool_control_set_preserve (tool->control, FALSE);
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gimp_image_flush (tool->gdisp->gimage);
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}
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tool->gdisp = NULL;
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tool->drawable = NULL;
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break;
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}
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}
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static void
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gimp_image_map_tool_preview_toggled (GtkWidget *widget,
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GimpImageMapTool *image_map_tool)
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{
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GimpTool *tool = GIMP_TOOL (image_map_tool);
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image_map_tool->preview = GTK_TOGGLE_BUTTON (widget)->active;
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if (image_map_tool->preview)
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{
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gimp_tool_control_set_preserve (tool->control, TRUE);
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gimp_image_map_tool_map (image_map_tool);
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gimp_tool_control_set_preserve (tool->control, FALSE);
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}
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else
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{
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if (image_map_tool->image_map)
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{
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gimp_tool_control_set_preserve (tool->control, TRUE);
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gimp_image_map_clear (image_map_tool->image_map);
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gimp_tool_control_set_preserve (tool->control, FALSE);
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gimp_image_flush (tool->gdisp->gimage);
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}
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}
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}
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