Adding upstream version 2.10.34.upstream/2.10.34upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 116 insertions, 0 deletions

diff --git a/app/display/gimpdisplayshell-filter.c b/app/display/gimpdisplayshell-filter.c
new file mode 100644
index 0000000..1cf60e8
--- /dev/null
+++ b/app/display/gimpdisplayshell-filter.c
@@ -0,0 +1,116 @@
+/* GIMP - The GNU Image Manipulation Program
+ * Copyright (C) 1999 Manish Singh
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+#include "config.h"
+
+#include <gegl.h>
+#include <gtk/gtk.h>
+
+#include "libgimpwidgets/gimpwidgets.h"
+
+#include "display-types.h"
+
+#include "gimpdisplayshell.h"
+#include "gimpdisplayshell-expose.h"
+#include "gimpdisplayshell-filter.h"
+#include "gimpdisplayshell-profile.h"
+
+
+/*  local function prototypes  */
+
+static void   gimp_display_shell_filter_changed (GimpColorDisplayStack *stack,
+                                                 GimpDisplayShell      *shell);
+
+
+/*  public functions  */
+
+void
+gimp_display_shell_filter_set (GimpDisplayShell      *shell,
+                               GimpColorDisplayStack *stack)
+{
+  g_return_if_fail (GIMP_IS_DISPLAY_SHELL (shell));
+  g_return_if_fail (stack == NULL || GIMP_IS_COLOR_DISPLAY_STACK (stack));
+
+  if (stack == shell->filter_stack)
+    return;
+
+  if (shell->filter_stack)
+    {
+      g_signal_handlers_disconnect_by_func (shell->filter_stack,
+                                            gimp_display_shell_filter_changed,
+                                            shell);
+    }
+
+  g_set_object (&shell->filter_stack, stack);
+
+  if (shell->filter_stack)
+    {
+      g_signal_connect (shell->filter_stack, "changed",
+                        G_CALLBACK (gimp_display_shell_filter_changed),
+                        shell);
+    }
+
+  gimp_display_shell_filter_changed (NULL, shell);
+}
+
+gboolean
+gimp_display_shell_has_filter (GimpDisplayShell *shell)
+{
+  g_return_val_if_fail (GIMP_IS_DISPLAY_SHELL (shell), FALSE);
+
+  if (shell->filter_stack)
+    {
+      GList *iter;
+
+      for (iter = shell->filter_stack->filters; iter; iter = g_list_next (iter))
+        {
+          if (gimp_color_display_get_enabled (GIMP_COLOR_DISPLAY (iter->data)))
+            return TRUE;
+        }
+    }
+
+  return FALSE;
+}
+
+
+/*  private functions  */
+
+static gboolean
+gimp_display_shell_filter_changed_idle (gpointer data)
+{
+  GimpDisplayShell *shell = data;
+
+  gimp_display_shell_profile_update (shell);
+  gimp_display_shell_expose_full (shell);
+
+  shell->filter_idle_id = 0;
+
+  return FALSE;
+}
+
+static void
+gimp_display_shell_filter_changed (GimpColorDisplayStack *stack,
+                                   GimpDisplayShell      *shell)
+{
+  if (shell->filter_idle_id)
+    g_source_remove (shell->filter_idle_id);
+
+  shell->filter_idle_id =
+    g_idle_add_full (G_PRIORITY_LOW,
+                     gimp_display_shell_filter_changed_idle,
+                     shell, NULL);
+}