mirror of https://github.com/GNOME/gimp.git
660 lines
21 KiB
C
660 lines
21 KiB
C
/* The GIMP -- an image manipulation program
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* Copyright (C) 1995-2002 Spencer Kimball, Peter Mattis and others
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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 "tools-types.h"
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#include "core/gimpimage.h"
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#include "core/gimptoolinfo.h"
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#include "display/gimpdisplay.h"
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#include "display/gimpdisplayshell.h"
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#include "display/gimpdisplayshell-cursor.h"
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#include "display/gimpstatusbar.h"
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#include "gimptool.h"
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#include "gimptoolcontrol.h"
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enum
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{
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PROP_0,
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PROP_TOOL_INFO
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};
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static void gimp_tool_finalize (GObject *object);
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static void gimp_tool_set_property (GObject *object,
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guint property_id,
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const GValue *value,
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GParamSpec *pspec);
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static void gimp_tool_get_property (GObject *object,
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guint property_id,
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GValue *value,
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GParamSpec *pspec);
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static gboolean gimp_tool_real_has_display (GimpTool *tool,
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GimpDisplay *display);
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static GimpDisplay * gimp_tool_real_has_image (GimpTool *tool,
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GimpImage *image);
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static gboolean gimp_tool_real_initialize (GimpTool *tool,
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GimpDisplay *display);
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static void gimp_tool_real_control (GimpTool *tool,
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GimpToolAction action,
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GimpDisplay *display);
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static void gimp_tool_real_button_press (GimpTool *tool,
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GimpCoords *coords,
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guint32 time,
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GdkModifierType state,
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GimpDisplay *display);
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static void gimp_tool_real_button_release (GimpTool *tool,
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GimpCoords *coords,
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guint32 time,
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GdkModifierType state,
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GimpDisplay *display);
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static void gimp_tool_real_motion (GimpTool *tool,
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GimpCoords *coords,
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guint32 time,
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GdkModifierType state,
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GimpDisplay *display);
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static gboolean gimp_tool_real_key_press (GimpTool *tool,
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GdkEventKey *kevent,
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GimpDisplay *display);
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static void gimp_tool_real_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 *display);
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static void gimp_tool_real_oper_update (GimpTool *tool,
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GimpCoords *coords,
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GdkModifierType state,
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gboolean proximity,
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GimpDisplay *display);
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static void gimp_tool_real_cursor_update (GimpTool *tool,
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GimpCoords *coords,
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GdkModifierType state,
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GimpDisplay *display);
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G_DEFINE_TYPE (GimpTool, gimp_tool, GIMP_TYPE_OBJECT)
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#define parent_class gimp_tool_parent_class
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static gint global_tool_ID = 1;
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static void
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gimp_tool_class_init (GimpToolClass *klass)
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{
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GObjectClass *object_class = G_OBJECT_CLASS (klass);
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object_class->finalize = gimp_tool_finalize;
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object_class->set_property = gimp_tool_set_property;
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object_class->get_property = gimp_tool_get_property;
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klass->has_display = gimp_tool_real_has_display;
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klass->has_image = gimp_tool_real_has_image;
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klass->initialize = gimp_tool_real_initialize;
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klass->control = gimp_tool_real_control;
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klass->button_press = gimp_tool_real_button_press;
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klass->button_release = gimp_tool_real_button_release;
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klass->motion = gimp_tool_real_motion;
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klass->key_press = gimp_tool_real_key_press;
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klass->modifier_key = gimp_tool_real_modifier_key;
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klass->oper_update = gimp_tool_real_oper_update;
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klass->cursor_update = gimp_tool_real_cursor_update;
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g_object_class_install_property (object_class, PROP_TOOL_INFO,
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g_param_spec_object ("tool-info",
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NULL, NULL,
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GIMP_TYPE_TOOL_INFO,
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GIMP_PARAM_READWRITE |
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G_PARAM_CONSTRUCT_ONLY));
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}
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static void
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gimp_tool_init (GimpTool *tool)
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{
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tool->tool_info = NULL;
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tool->ID = global_tool_ID++;
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tool->control = g_object_new (GIMP_TYPE_TOOL_CONTROL, NULL);
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tool->display = NULL;
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tool->drawable = NULL;
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tool->focus_display = NULL;
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tool->modifier_state = 0;
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}
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static void
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gimp_tool_finalize (GObject *object)
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{
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GimpTool *tool = GIMP_TOOL (object);
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if (tool->tool_info)
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{
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g_object_unref (tool->tool_info);
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tool->tool_info = NULL;
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}
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if (tool->control)
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{
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g_object_unref (tool->control);
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tool->control = NULL;
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}
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G_OBJECT_CLASS (parent_class)->finalize (object);
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}
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static void
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gimp_tool_set_property (GObject *object,
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guint property_id,
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const GValue *value,
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GParamSpec *pspec)
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{
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GimpTool *tool = GIMP_TOOL (object);
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switch (property_id)
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{
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case PROP_TOOL_INFO:
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tool->tool_info = GIMP_TOOL_INFO (g_value_dup_object (value));
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break;
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default:
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G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);
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break;
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}
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}
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static void
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gimp_tool_get_property (GObject *object,
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guint property_id,
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GValue *value,
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GParamSpec *pspec)
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{
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GimpTool *tool = GIMP_TOOL (object);
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switch (property_id)
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{
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case PROP_TOOL_INFO:
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g_value_set_object (value, tool->tool_info);
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break;
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default:
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G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);
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break;
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}
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}
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/* standard member functions */
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static gboolean
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gimp_tool_real_has_display (GimpTool *tool,
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GimpDisplay *display)
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{
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return (display == tool->display);
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}
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static GimpDisplay *
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gimp_tool_real_has_image (GimpTool *tool,
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GimpImage *image)
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{
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if (tool->display)
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{
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if (image && tool->display->image == image)
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return tool->display;
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/* NULL image means any display */
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if (! image)
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return tool->display;
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}
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return NULL;
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}
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static gboolean
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gimp_tool_real_initialize (GimpTool *tool,
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GimpDisplay *display)
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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_tool_real_control (GimpTool *tool,
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GimpToolAction action,
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GimpDisplay *display)
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{
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switch (action)
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{
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case GIMP_TOOL_ACTION_PAUSE:
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case GIMP_TOOL_ACTION_RESUME:
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break;
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case GIMP_TOOL_ACTION_HALT:
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tool->display = 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_tool_real_button_press (GimpTool *tool,
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GimpCoords *coords,
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guint32 time,
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GdkModifierType state,
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GimpDisplay *display)
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{
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tool->display = display;
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tool->drawable = gimp_image_active_drawable (display->image);
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gimp_tool_control_activate (tool->control);
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}
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static void
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gimp_tool_real_button_release (GimpTool *tool,
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GimpCoords *coords,
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guint32 time,
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GdkModifierType state,
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GimpDisplay *display)
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{
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gimp_tool_control_halt (tool->control);
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}
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static void
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gimp_tool_real_motion (GimpTool *tool,
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GimpCoords *coords,
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guint32 time,
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GdkModifierType state,
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GimpDisplay *display)
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{
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}
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static gboolean
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gimp_tool_real_key_press (GimpTool *tool,
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GdkEventKey *kevent,
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GimpDisplay *display)
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{
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return FALSE;
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}
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static void
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gimp_tool_real_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 *display)
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{
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}
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static void
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gimp_tool_real_oper_update (GimpTool *tool,
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GimpCoords *coords,
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GdkModifierType state,
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gboolean proximity,
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GimpDisplay *display)
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{
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}
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static void
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gimp_tool_real_cursor_update (GimpTool *tool,
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GimpCoords *coords,
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GdkModifierType state,
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GimpDisplay *display)
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{
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gimp_tool_set_cursor (tool, display,
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gimp_tool_control_get_cursor (tool->control),
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gimp_tool_control_get_tool_cursor (tool->control),
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gimp_tool_control_get_cursor_modifier (tool->control));
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}
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/* public functions */
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gboolean
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gimp_tool_has_display (GimpTool *tool,
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GimpDisplay *display)
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{
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g_return_val_if_fail (GIMP_IS_TOOL (tool), FALSE);
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g_return_val_if_fail (GIMP_IS_DISPLAY (display), FALSE);
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return GIMP_TOOL_GET_CLASS (tool)->has_display (tool, display);
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}
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GimpDisplay *
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gimp_tool_has_image (GimpTool *tool,
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GimpImage *image)
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{
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g_return_val_if_fail (GIMP_IS_TOOL (tool), NULL);
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g_return_val_if_fail (image == NULL || GIMP_IS_IMAGE (image), NULL);
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return GIMP_TOOL_GET_CLASS (tool)->has_image (tool, image);
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}
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gboolean
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gimp_tool_initialize (GimpTool *tool,
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GimpDisplay *display)
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{
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g_return_val_if_fail (GIMP_IS_TOOL (tool), FALSE);
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g_return_val_if_fail (GIMP_IS_DISPLAY (display), FALSE);
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return GIMP_TOOL_GET_CLASS (tool)->initialize (tool, display);
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}
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void
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gimp_tool_control (GimpTool *tool,
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GimpToolAction action,
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GimpDisplay *display)
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{
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g_return_if_fail (GIMP_IS_TOOL (tool));
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switch (action)
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{
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case GIMP_TOOL_ACTION_PAUSE:
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if (! gimp_tool_control_is_paused (tool->control))
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GIMP_TOOL_GET_CLASS (tool)->control (tool, action, display);
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gimp_tool_control_pause (tool->control);
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break;
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case GIMP_TOOL_ACTION_RESUME:
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if (gimp_tool_control_is_paused (tool->control))
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{
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gimp_tool_control_resume (tool->control);
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if (! gimp_tool_control_is_paused (tool->control))
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GIMP_TOOL_GET_CLASS (tool)->control (tool, action, display);
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}
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else
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{
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g_warning ("gimp_tool_control: unable to RESUME tool with "
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"tool->control->paused_count == 0");
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}
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break;
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case GIMP_TOOL_ACTION_HALT:
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GIMP_TOOL_GET_CLASS (tool)->control (tool, action, display);
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if (gimp_tool_control_is_active (tool->control))
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gimp_tool_control_halt (tool->control);
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break;
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}
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}
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void
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gimp_tool_button_press (GimpTool *tool,
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GimpCoords *coords,
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guint32 time,
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GdkModifierType state,
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GimpDisplay *display)
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{
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g_return_if_fail (GIMP_IS_TOOL (tool));
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g_return_if_fail (coords != NULL);
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g_return_if_fail (GIMP_IS_DISPLAY (display));
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GIMP_TOOL_GET_CLASS (tool)->button_press (tool, coords, time, state, display);
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}
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void
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gimp_tool_button_release (GimpTool *tool,
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GimpCoords *coords,
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guint32 time,
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GdkModifierType state,
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GimpDisplay *display)
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{
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g_return_if_fail (GIMP_IS_TOOL (tool));
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g_return_if_fail (coords != NULL);
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g_return_if_fail (GIMP_IS_DISPLAY (display));
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GIMP_TOOL_GET_CLASS (tool)->button_release (tool, coords, time, state, display);
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}
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void
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gimp_tool_motion (GimpTool *tool,
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GimpCoords *coords,
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guint32 time,
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GdkModifierType state,
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GimpDisplay *display)
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{
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g_return_if_fail (GIMP_IS_TOOL (tool));
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g_return_if_fail (coords != NULL);
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g_return_if_fail (GIMP_IS_DISPLAY (display));
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g_return_if_fail (gimp_tool_control_is_active (tool->control));
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GIMP_TOOL_GET_CLASS (tool)->motion (tool, coords, time, state, display);
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}
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void
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gimp_tool_set_focus_display (GimpTool *tool,
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GimpDisplay *display)
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{
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g_return_if_fail (GIMP_IS_TOOL (tool));
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g_return_if_fail (display == NULL || GIMP_IS_DISPLAY (display));
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#ifdef DEBUG_FOCUS
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g_printerr ("gimp_tool_set_focus_display: display: %p focus_display: %p\n",
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display, tool->focus_display);
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#endif
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if (display != tool->focus_display)
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{
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if (tool->focus_display)
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{
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if (tool->modifier_state != 0)
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gimp_tool_set_modifier_state (tool, 0, tool->focus_display);
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}
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tool->focus_display = display;
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}
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}
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gboolean
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gimp_tool_key_press (GimpTool *tool,
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GdkEventKey *kevent,
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GimpDisplay *display)
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{
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g_return_val_if_fail (GIMP_IS_TOOL (tool), FALSE);
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g_return_val_if_fail (GIMP_IS_DISPLAY (display), FALSE);
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g_return_val_if_fail (display == tool->focus_display, FALSE);
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return GIMP_TOOL_GET_CLASS (tool)->key_press (tool, kevent, display);
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}
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static void
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gimp_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 *display)
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{
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g_return_if_fail (GIMP_IS_TOOL (tool));
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g_return_if_fail (GIMP_IS_DISPLAY (display));
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g_return_if_fail (display == tool->focus_display);
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GIMP_TOOL_GET_CLASS (tool)->modifier_key (tool, key, press, state, display);
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}
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void
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gimp_tool_set_modifier_state (GimpTool *tool,
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GdkModifierType state,
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GimpDisplay *display)
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{
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g_return_if_fail (GIMP_IS_TOOL (tool));
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g_return_if_fail (GIMP_IS_DISPLAY (display));
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#ifdef DEBUG_FOCUS
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g_printerr ("gimp_tool_set_modifier_state: display: %p focus_display: %p\n",
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display, tool->focus_display);
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#endif
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g_return_if_fail (display == tool->focus_display);
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if ((tool->modifier_state & GDK_SHIFT_MASK) != (state & GDK_SHIFT_MASK))
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{
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gimp_tool_modifier_key (tool, GDK_SHIFT_MASK,
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(state & GDK_SHIFT_MASK) ? TRUE : FALSE, state,
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display);
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}
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if ((tool->modifier_state & GDK_CONTROL_MASK) != (state & GDK_CONTROL_MASK))
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{
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gimp_tool_modifier_key (tool, GDK_CONTROL_MASK,
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(state & GDK_CONTROL_MASK) ? TRUE : FALSE, state,
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display);
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}
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if ((tool->modifier_state & GDK_MOD1_MASK) != (state & GDK_MOD1_MASK))
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{
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gimp_tool_modifier_key (tool, GDK_MOD1_MASK,
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(state & GDK_MOD1_MASK) ? TRUE : FALSE, state,
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display);
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}
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tool->modifier_state = state;
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}
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void
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gimp_tool_oper_update (GimpTool *tool,
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GimpCoords *coords,
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GdkModifierType state,
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gboolean proximity,
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GimpDisplay *display)
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{
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g_return_if_fail (GIMP_IS_TOOL (tool));
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g_return_if_fail (coords != NULL);
|
|
g_return_if_fail (GIMP_IS_DISPLAY (display));
|
|
|
|
GIMP_TOOL_GET_CLASS (tool)->oper_update (tool, coords, state, proximity,
|
|
display);
|
|
}
|
|
|
|
void
|
|
gimp_tool_cursor_update (GimpTool *tool,
|
|
GimpCoords *coords,
|
|
GdkModifierType state,
|
|
GimpDisplay *display)
|
|
{
|
|
g_return_if_fail (GIMP_IS_TOOL (tool));
|
|
g_return_if_fail (coords != NULL);
|
|
g_return_if_fail (GIMP_IS_DISPLAY (display));
|
|
|
|
GIMP_TOOL_GET_CLASS (tool)->cursor_update (tool, coords, state, display);
|
|
}
|
|
|
|
void
|
|
gimp_tool_push_status (GimpTool *tool,
|
|
GimpDisplay *display,
|
|
const gchar *message)
|
|
{
|
|
GimpDisplayShell *shell;
|
|
|
|
g_return_if_fail (GIMP_IS_TOOL (tool));
|
|
g_return_if_fail (GIMP_IS_DISPLAY (display));
|
|
|
|
shell = GIMP_DISPLAY_SHELL (display->shell);
|
|
|
|
gimp_statusbar_push (GIMP_STATUSBAR (shell->statusbar),
|
|
G_OBJECT_TYPE_NAME (tool),
|
|
message);
|
|
}
|
|
|
|
void
|
|
gimp_tool_push_status_coords (GimpTool *tool,
|
|
GimpDisplay *display,
|
|
const gchar *title,
|
|
gdouble x,
|
|
const gchar *separator,
|
|
gdouble y)
|
|
{
|
|
GimpDisplayShell *shell;
|
|
|
|
g_return_if_fail (GIMP_IS_TOOL (tool));
|
|
g_return_if_fail (GIMP_IS_DISPLAY (display));
|
|
|
|
shell = GIMP_DISPLAY_SHELL (display->shell);
|
|
|
|
gimp_statusbar_push_coords (GIMP_STATUSBAR (shell->statusbar),
|
|
G_OBJECT_TYPE_NAME (tool),
|
|
title, x, separator, y);
|
|
}
|
|
|
|
void
|
|
gimp_tool_push_status_length (GimpTool *tool,
|
|
GimpDisplay *display,
|
|
const gchar *title,
|
|
GimpOrientationType axis,
|
|
gdouble value)
|
|
{
|
|
GimpDisplayShell *shell;
|
|
|
|
g_return_if_fail (GIMP_IS_TOOL (tool));
|
|
g_return_if_fail (GIMP_IS_DISPLAY (display));
|
|
|
|
shell = GIMP_DISPLAY_SHELL (display->shell);
|
|
|
|
gimp_statusbar_push_length (GIMP_STATUSBAR (shell->statusbar),
|
|
G_OBJECT_TYPE_NAME (tool),
|
|
title, axis, value);
|
|
}
|
|
|
|
void
|
|
gimp_tool_replace_status (GimpTool *tool,
|
|
GimpDisplay *display,
|
|
const gchar *message)
|
|
{
|
|
GimpDisplayShell *shell;
|
|
|
|
g_return_if_fail (GIMP_IS_TOOL (tool));
|
|
g_return_if_fail (GIMP_IS_DISPLAY (display));
|
|
|
|
shell = GIMP_DISPLAY_SHELL (display->shell);
|
|
|
|
gimp_statusbar_replace (GIMP_STATUSBAR (shell->statusbar),
|
|
G_OBJECT_TYPE_NAME (tool),
|
|
message);
|
|
}
|
|
|
|
void
|
|
gimp_tool_pop_status (GimpTool *tool,
|
|
GimpDisplay *display)
|
|
{
|
|
GimpDisplayShell *shell;
|
|
|
|
g_return_if_fail (GIMP_IS_TOOL (tool));
|
|
g_return_if_fail (GIMP_IS_DISPLAY (display));
|
|
|
|
shell = GIMP_DISPLAY_SHELL (display->shell);
|
|
|
|
gimp_statusbar_pop (GIMP_STATUSBAR (shell->statusbar),
|
|
G_OBJECT_TYPE_NAME (tool));
|
|
}
|
|
|
|
void
|
|
gimp_tool_set_cursor (GimpTool *tool,
|
|
GimpDisplay *display,
|
|
GimpCursorType cursor,
|
|
GimpToolCursorType tool_cursor,
|
|
GimpCursorModifier modifier)
|
|
{
|
|
g_return_if_fail (GIMP_IS_TOOL (tool));
|
|
g_return_if_fail (GIMP_IS_DISPLAY (display));
|
|
|
|
gimp_display_shell_set_cursor (GIMP_DISPLAY_SHELL (display->shell),
|
|
cursor, tool_cursor, modifier);
|
|
}
|