mirror of https://github.com/GNOME/gimp.git
288 lines
11 KiB
C
288 lines
11 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 "display-types.h"
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#include "core/gimpimage.h"
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#include "gimpdisplay.h"
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#include "gimpdisplayshell.h"
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#include "gimpdisplayshell-callbacks.h"
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#include "gimpdisplayshell-handlers.h"
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#include "gimpdisplayshell-scale.h"
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#include "gimpstatusbar.h"
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#include "gimprc.h"
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/* local function prototypes */
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static void gimp_display_shell_clean_dirty_handler (GimpImage *gimage,
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GimpDisplayShell *shell);
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static void gimp_display_shell_undo_event_handler (GimpImage *gimage,
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gint event,
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GimpDisplayShell *shell);
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static void gimp_display_shell_name_changed_handler (GimpImage *gimage,
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GimpDisplayShell *shell);
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static void gimp_display_shell_selection_control_handler (GimpImage *gimage,
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GimpSelectionControl control,
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GimpDisplayShell *shell);
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static void gimp_display_shell_size_changed_handler (GimpImage *gimage,
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GimpDisplayShell *shell);
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static void gimp_display_shell_resolution_changed_handler (GimpImage *gimage,
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GimpDisplayShell *shell);
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static void gimp_display_shell_unit_changed_handler (GimpImage *gimage,
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GimpDisplayShell *shell);
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static void gimp_display_shell_qmask_changed_handler (GimpImage *gimage,
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GimpDisplayShell *shell);
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static void gimp_display_shell_update_guide_handler (GimpImage *gimage,
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GimpGuide *guide,
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GimpDisplayShell *shell);
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static void gimp_display_shell_invalidate_preview_handler (GimpImage *gimage,
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GimpDisplayShell *shell);
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static gboolean gimp_display_shell_idle_update_icon (gpointer data);
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/* public functions */
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void
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gimp_display_shell_connect (GimpDisplayShell *shell)
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{
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GimpImage *gimage;
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g_return_if_fail (GIMP_IS_DISPLAY_SHELL (shell));
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g_return_if_fail (GIMP_IS_DISPLAY (shell->gdisp));
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g_return_if_fail (GIMP_IS_IMAGE (shell->gdisp->gimage));
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gimage = shell->gdisp->gimage;
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g_signal_connect (G_OBJECT (gimage), "clean",
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G_CALLBACK (gimp_display_shell_clean_dirty_handler),
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shell);
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g_signal_connect (G_OBJECT (gimage), "dirty",
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G_CALLBACK (gimp_display_shell_clean_dirty_handler),
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shell);
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g_signal_connect (G_OBJECT (gimage), "undo_event",
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G_CALLBACK (gimp_display_shell_undo_event_handler),
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shell);
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g_signal_connect (G_OBJECT (gimage), "name_changed",
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G_CALLBACK (gimp_display_shell_name_changed_handler),
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shell);
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g_signal_connect (G_OBJECT (gimage), "selection_control",
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G_CALLBACK (gimp_display_shell_selection_control_handler),
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shell);
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g_signal_connect (G_OBJECT (gimage), "size_changed",
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G_CALLBACK (gimp_display_shell_size_changed_handler),
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shell);
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g_signal_connect (G_OBJECT (gimage), "resolution_changed",
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G_CALLBACK (gimp_display_shell_resolution_changed_handler),
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shell);
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g_signal_connect (G_OBJECT (gimage), "unit_changed",
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G_CALLBACK (gimp_display_shell_unit_changed_handler),
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shell);
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g_signal_connect (G_OBJECT (gimage), "qmask_changed",
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G_CALLBACK (gimp_display_shell_qmask_changed_handler),
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shell);
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g_signal_connect (G_OBJECT (gimage), "update_guide",
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G_CALLBACK (gimp_display_shell_update_guide_handler),
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shell);
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g_signal_connect (G_OBJECT (gimage), "invalidate_preview",
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G_CALLBACK (gimp_display_shell_invalidate_preview_handler),
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shell);
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gimp_display_shell_invalidate_preview_handler (gimage, shell);
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}
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void
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gimp_display_shell_disconnect (GimpDisplayShell *shell)
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{
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GimpImage *gimage;
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g_return_if_fail (GIMP_IS_DISPLAY_SHELL (shell));
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g_return_if_fail (GIMP_IS_DISPLAY (shell->gdisp));
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g_return_if_fail (GIMP_IS_IMAGE (shell->gdisp->gimage));
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gimage = shell->gdisp->gimage;
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if (shell->icon_idle_id)
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{
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g_source_remove (shell->icon_idle_id);
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shell->icon_idle_id = 0;
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}
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g_signal_handlers_disconnect_by_func (G_OBJECT (gimage),
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gimp_display_shell_invalidate_preview_handler,
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shell);
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g_signal_handlers_disconnect_by_func (G_OBJECT (gimage),
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gimp_display_shell_update_guide_handler,
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shell);
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g_signal_handlers_disconnect_by_func (G_OBJECT (gimage),
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gimp_display_shell_qmask_changed_handler,
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shell);
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g_signal_handlers_disconnect_by_func (G_OBJECT (gimage),
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gimp_display_shell_unit_changed_handler,
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shell);
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g_signal_handlers_disconnect_by_func (G_OBJECT (gimage),
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gimp_display_shell_resolution_changed_handler,
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shell);
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g_signal_handlers_disconnect_by_func (G_OBJECT (gimage),
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gimp_display_shell_size_changed_handler,
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shell);
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g_signal_handlers_disconnect_by_func (G_OBJECT (gimage),
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gimp_display_shell_selection_control_handler,
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shell);
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g_signal_handlers_disconnect_by_func (G_OBJECT (gimage),
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gimp_display_shell_name_changed_handler,
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shell);
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g_signal_handlers_disconnect_by_func (G_OBJECT (gimage),
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gimp_display_shell_undo_event_handler,
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shell);
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g_signal_handlers_disconnect_by_func (G_OBJECT (gimage),
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gimp_display_shell_clean_dirty_handler,
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shell);
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}
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/* private functions */
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static void
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gimp_display_shell_clean_dirty_handler (GimpImage *gimage,
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GimpDisplayShell *shell)
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{
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shell->title_dirty = TRUE;
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}
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static void
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gimp_display_shell_undo_event_handler (GimpImage *gimage,
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gint event,
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GimpDisplayShell *shell)
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{
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shell->title_dirty = TRUE;
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}
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static void
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gimp_display_shell_name_changed_handler (GimpImage *gimage,
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GimpDisplayShell *shell)
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{
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shell->title_dirty = TRUE;
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}
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static void
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gimp_display_shell_selection_control_handler (GimpImage *gimage,
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GimpSelectionControl control,
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GimpDisplayShell *shell)
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{
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gimp_display_shell_selection_visibility (shell, control);
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}
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static void
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gimp_display_shell_size_changed_handler (GimpImage *gimage,
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GimpDisplayShell *shell)
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{
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gimp_statusbar_resize_cursor (GIMP_STATUSBAR (shell->statusbar));
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gimp_display_shell_scale_resize (shell, gimprc.resize_windows_on_resize, TRUE);
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}
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static void
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gimp_display_shell_resolution_changed_handler (GimpImage *gimage,
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GimpDisplayShell *shell)
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{
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gimp_display_shell_scale_setup (shell);
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gimp_statusbar_resize_cursor (GIMP_STATUSBAR (shell->statusbar));
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}
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static void
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gimp_display_shell_unit_changed_handler (GimpImage *gimage,
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GimpDisplayShell *shell)
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{
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gimp_display_shell_scale_setup (shell);
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gimp_statusbar_resize_cursor (GIMP_STATUSBAR (shell->statusbar));
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}
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static void
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gimp_display_shell_qmask_changed_handler (GimpImage *gimage,
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GimpDisplayShell *shell)
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{
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GtkImage *image;
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image = GTK_IMAGE (GTK_BIN (shell->qmask)->child);
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g_signal_handlers_block_by_func (G_OBJECT (shell->qmask),
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gimp_display_shell_qmask_toggled,
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shell);
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gtk_toggle_button_set_active (GTK_TOGGLE_BUTTON (shell->qmask),
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shell->gdisp->gimage->qmask_state);
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if (shell->gdisp->gimage->qmask_state)
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gtk_image_set_from_stock (image, GIMP_STOCK_QMASK_ON, GTK_ICON_SIZE_MENU);
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else
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gtk_image_set_from_stock (image, GIMP_STOCK_QMASK_OFF, GTK_ICON_SIZE_MENU);
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g_signal_handlers_unblock_by_func (G_OBJECT (shell->qmask),
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gimp_display_shell_qmask_toggled,
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shell);
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}
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static void
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gimp_display_shell_update_guide_handler (GimpImage *gimage,
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GimpGuide *guide,
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GimpDisplayShell *shell)
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{
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gimp_display_shell_expose_guide (shell, guide);
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}
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static void
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gimp_display_shell_invalidate_preview_handler (GimpImage *gimage,
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GimpDisplayShell *shell)
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{
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if (shell->icon_idle_id)
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{
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g_source_remove (shell->icon_idle_id);
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}
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shell->icon_idle_id = g_idle_add_full (G_PRIORITY_LOW,
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gimp_display_shell_idle_update_icon,
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shell,
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NULL);
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}
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static gboolean
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gimp_display_shell_idle_update_icon (gpointer data)
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{
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GimpDisplayShell *shell;
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shell = GIMP_DISPLAY_SHELL (data);
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shell->icon_idle_id = 0;
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gimp_display_shell_update_icon (shell);
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return FALSE;
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}
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