mirror of https://github.com/GNOME/gimp.git
98 lines
2.7 KiB
C
98 lines
2.7 KiB
C
/* The GIMP -- an image manipulation program
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* Copyright (C) 1999 Manish Singh
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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 "gimpdisplayshell.h"
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#include "gimpdisplayshell-filter.h"
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/* local function prototypes */
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static void gimp_display_shell_filter_changed (GimpColorDisplayStack *stack,
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GimpDisplayShell *shell);
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/* public functions */
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void
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gimp_display_shell_filter_set (GimpDisplayShell *shell,
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GimpColorDisplayStack *stack)
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{
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g_return_if_fail (GIMP_IS_DISPLAY_SHELL (shell));
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g_return_if_fail (stack == NULL || GIMP_IS_COLOR_DISPLAY_STACK (stack));
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if (stack == shell->filter_stack)
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return;
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if (shell->filter_stack)
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{
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g_signal_handlers_disconnect_by_func (shell->filter_stack,
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gimp_display_shell_filter_changed,
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shell);
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g_object_unref (shell->filter_stack);
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}
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shell->filter_stack = stack;
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if (shell->filter_stack)
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{
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g_object_ref (shell->filter_stack);
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g_signal_connect (shell->filter_stack, "changed",
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G_CALLBACK (gimp_display_shell_filter_changed),
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shell);
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}
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gimp_display_shell_filter_changed (NULL, shell);
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}
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/* private functions */
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static gboolean
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gimp_display_shell_filter_changed_idle (gpointer data)
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{
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GimpDisplayShell *shell = data;
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gimp_display_shell_expose_full (shell);
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shell->filter_idle_id = 0;
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return FALSE;
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}
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static void
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gimp_display_shell_filter_changed (GimpColorDisplayStack *stack,
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GimpDisplayShell *shell)
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{
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if (shell->filter_idle_id)
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g_source_remove (shell->filter_idle_id);
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shell->filter_idle_id =
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g_idle_add_full (G_PRIORITY_LOW,
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gimp_display_shell_filter_changed_idle,
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shell, NULL);
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}
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