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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 18:30:19 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 18:30:19 +0000
commit5c1676dfe6d2f3c837a5e074117b45613fd29a72 (patch)
treecbffb45144febf451e54061db2b21395faf94bfe /app/tools/tool_manager.c
parentInitial commit. (diff)
downloadgimp-5c1676dfe6d2f3c837a5e074117b45613fd29a72.tar.xz
gimp-5c1676dfe6d2f3c837a5e074117b45613fd29a72.zip
Adding upstream version 2.10.34.upstream/2.10.34upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'app/tools/tool_manager.c')
-rw-r--r--app/tools/tool_manager.c966
1 files changed, 966 insertions, 0 deletions
diff --git a/app/tools/tool_manager.c b/app/tools/tool_manager.c
new file mode 100644
index 0000000..3b8bc88
--- /dev/null
+++ b/app/tools/tool_manager.c
@@ -0,0 +1,966 @@
+/* GIMP - The GNU Image Manipulation Program
+ * Copyright (C) 1995 Spencer Kimball and Peter Mattis
+ *
+ * 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 <string.h>
+
+#include <gegl.h>
+#include <gtk/gtk.h>
+
+#include "libgimpconfig/gimpconfig.h"
+
+#include "tools-types.h"
+
+#include "core/gimp.h"
+#include "core/gimpcontext.h"
+#include "core/gimplist.h"
+#include "core/gimpimage.h"
+#include "core/gimptoolgroup.h"
+#include "core/gimptoolinfo.h"
+#include "core/gimptooloptions.h"
+#include "core/gimptoolpreset.h"
+
+#include "display/gimpdisplay.h"
+
+#include "widgets/gimpcairo-wilber.h"
+
+#include "gimptool.h"
+#include "gimptoolcontrol.h"
+#include "tool_manager.h"
+
+
+typedef struct _GimpToolManager GimpToolManager;
+
+struct _GimpToolManager
+{
+ Gimp *gimp;
+
+ GimpTool *active_tool;
+ GSList *tool_stack;
+
+ GimpToolGroup *active_tool_group;
+
+ GQuark image_clean_handler_id;
+ GQuark image_dirty_handler_id;
+ GQuark image_saving_handler_id;
+};
+
+
+/* local function prototypes */
+
+static void tool_manager_set (Gimp *gimp,
+ GimpToolManager *tool_manager);
+static GimpToolManager * tool_manager_get (Gimp *gimp);
+
+static void tool_manager_select_tool (GimpToolManager *tool_manager,
+ GimpTool *tool);
+
+static void tool_manager_set_active_tool_group (GimpToolManager *tool_manager,
+ GimpToolGroup *tool_group);
+
+static void tool_manager_tool_changed (GimpContext *user_context,
+ GimpToolInfo *tool_info,
+ GimpToolManager *tool_manager);
+static void tool_manager_preset_changed (GimpContext *user_context,
+ GimpToolPreset *preset,
+ GimpToolManager *tool_manager);
+static void tool_manager_image_clean_dirty (GimpImage *image,
+ GimpDirtyMask dirty_mask,
+ GimpToolManager *tool_manager);
+static void tool_manager_image_saving (GimpImage *image,
+ GimpToolManager *tool_manager);
+static void tool_manager_tool_ancestry_changed (GimpToolInfo *tool_info,
+ GimpToolManager *tool_manager);
+static void tool_manager_group_active_tool_changed (GimpToolGroup *tool_group,
+ GimpToolManager *tool_manager);
+
+static void tool_manager_cast_spell (GimpToolInfo *tool_info);
+
+
+/* public functions */
+
+void
+tool_manager_init (Gimp *gimp)
+{
+ GimpToolManager *tool_manager;
+ GimpContext *user_context;
+
+ g_return_if_fail (GIMP_IS_GIMP (gimp));
+
+ tool_manager = g_slice_new0 (GimpToolManager);
+
+ tool_manager->gimp = gimp;
+ tool_manager->active_tool = NULL;
+ tool_manager->tool_stack = NULL;
+ tool_manager->active_tool_group = NULL;
+ tool_manager->image_clean_handler_id = 0;
+ tool_manager->image_dirty_handler_id = 0;
+ tool_manager->image_saving_handler_id = 0;
+
+ tool_manager_set (gimp, tool_manager);
+
+ tool_manager->image_clean_handler_id =
+ gimp_container_add_handler (gimp->images, "clean",
+ G_CALLBACK (tool_manager_image_clean_dirty),
+ tool_manager);
+
+ tool_manager->image_dirty_handler_id =
+ gimp_container_add_handler (gimp->images, "dirty",
+ G_CALLBACK (tool_manager_image_clean_dirty),
+ tool_manager);
+
+ tool_manager->image_saving_handler_id =
+ gimp_container_add_handler (gimp->images, "saving",
+ G_CALLBACK (tool_manager_image_saving),
+ tool_manager);
+
+ user_context = gimp_get_user_context (gimp);
+
+ g_signal_connect (user_context, "tool-changed",
+ G_CALLBACK (tool_manager_tool_changed),
+ tool_manager);
+ g_signal_connect (user_context, "tool-preset-changed",
+ G_CALLBACK (tool_manager_preset_changed),
+ tool_manager);
+
+ tool_manager_tool_changed (user_context,
+ gimp_context_get_tool (user_context),
+ tool_manager);
+}
+
+void
+tool_manager_exit (Gimp *gimp)
+{
+ GimpToolManager *tool_manager;
+ GimpContext *user_context;
+
+ g_return_if_fail (GIMP_IS_GIMP (gimp));
+
+ tool_manager = tool_manager_get (gimp);
+ tool_manager_set (gimp, NULL);
+
+ user_context = gimp_get_user_context (gimp);
+
+ g_signal_handlers_disconnect_by_func (user_context,
+ tool_manager_tool_changed,
+ tool_manager);
+ g_signal_handlers_disconnect_by_func (user_context,
+ tool_manager_preset_changed,
+ tool_manager);
+
+ gimp_container_remove_handler (gimp->images,
+ tool_manager->image_clean_handler_id);
+ gimp_container_remove_handler (gimp->images,
+ tool_manager->image_dirty_handler_id);
+ gimp_container_remove_handler (gimp->images,
+ tool_manager->image_saving_handler_id);
+
+ if (tool_manager->active_tool)
+ {
+ g_signal_handlers_disconnect_by_func (
+ tool_manager->active_tool->tool_info,
+ tool_manager_tool_ancestry_changed,
+ tool_manager);
+
+ g_clear_object (&tool_manager->active_tool);
+ }
+
+ tool_manager_set_active_tool_group (tool_manager, NULL);
+
+ g_slice_free (GimpToolManager, tool_manager);
+}
+
+GimpTool *
+tool_manager_get_active (Gimp *gimp)
+{
+ GimpToolManager *tool_manager;
+
+ g_return_val_if_fail (GIMP_IS_GIMP (gimp), NULL);
+
+ tool_manager = tool_manager_get (gimp);
+
+ return tool_manager->active_tool;
+}
+
+void
+tool_manager_push_tool (Gimp *gimp,
+ GimpTool *tool)
+{
+ GimpToolManager *tool_manager;
+ GimpDisplay *focus_display = NULL;
+
+ g_return_if_fail (GIMP_IS_GIMP (gimp));
+ g_return_if_fail (GIMP_IS_TOOL (tool));
+
+ tool_manager = tool_manager_get (gimp);
+
+ if (tool_manager->active_tool)
+ {
+ focus_display = tool_manager->active_tool->focus_display;
+
+ tool_manager->tool_stack = g_slist_prepend (tool_manager->tool_stack,
+ tool_manager->active_tool);
+
+ g_object_ref (tool_manager->tool_stack->data);
+ }
+
+ tool_manager_select_tool (tool_manager, tool);
+
+ if (focus_display)
+ tool_manager_focus_display_active (gimp, focus_display);
+}
+
+void
+tool_manager_pop_tool (Gimp *gimp)
+{
+ GimpToolManager *tool_manager;
+
+ g_return_if_fail (GIMP_IS_GIMP (gimp));
+
+ tool_manager = tool_manager_get (gimp);
+
+ if (tool_manager->tool_stack)
+ {
+ GimpTool *tool = tool_manager->tool_stack->data;
+
+ tool_manager->tool_stack = g_slist_remove (tool_manager->tool_stack,
+ tool);
+
+ tool_manager_select_tool (tool_manager, tool);
+
+ g_object_unref (tool);
+ }
+}
+
+gboolean
+tool_manager_initialize_active (Gimp *gimp,
+ GimpDisplay *display)
+{
+ GimpToolManager *tool_manager;
+
+ g_return_val_if_fail (GIMP_IS_GIMP (gimp), FALSE);
+ g_return_val_if_fail (GIMP_IS_DISPLAY (display), FALSE);
+
+ tool_manager = tool_manager_get (gimp);
+
+ if (tool_manager->active_tool)
+ {
+ GimpTool *tool = tool_manager->active_tool;
+
+ if (gimp_tool_initialize (tool, display))
+ {
+ GimpImage *image = gimp_display_get_image (display);
+
+ tool->drawable = gimp_image_get_active_drawable (image);
+
+ return TRUE;
+ }
+ }
+
+ return FALSE;
+}
+
+void
+tool_manager_control_active (Gimp *gimp,
+ GimpToolAction action,
+ GimpDisplay *display)
+{
+ GimpToolManager *tool_manager;
+
+ g_return_if_fail (GIMP_IS_GIMP (gimp));
+
+ tool_manager = tool_manager_get (gimp);
+
+ if (tool_manager->active_tool)
+ {
+ GimpTool *tool = tool_manager->active_tool;
+
+ if (display && gimp_tool_has_display (tool, display))
+ {
+ gimp_tool_control (tool, action, display);
+ }
+ else if (action == GIMP_TOOL_ACTION_HALT)
+ {
+ if (gimp_tool_control_is_active (tool->control))
+ gimp_tool_control_halt (tool->control);
+ }
+ }
+}
+
+void
+tool_manager_button_press_active (Gimp *gimp,
+ const GimpCoords *coords,
+ guint32 time,
+ GdkModifierType state,
+ GimpButtonPressType press_type,
+ GimpDisplay *display)
+{
+ GimpToolManager *tool_manager;
+
+ g_return_if_fail (GIMP_IS_GIMP (gimp));
+
+ tool_manager = tool_manager_get (gimp);
+
+ if (tool_manager->active_tool)
+ {
+ gimp_tool_button_press (tool_manager->active_tool,
+ coords, time, state, press_type,
+ display);
+ }
+}
+
+void
+tool_manager_button_release_active (Gimp *gimp,
+ const GimpCoords *coords,
+ guint32 time,
+ GdkModifierType state,
+ GimpDisplay *display)
+{
+ GimpToolManager *tool_manager;
+
+ g_return_if_fail (GIMP_IS_GIMP (gimp));
+
+ tool_manager = tool_manager_get (gimp);
+
+ if (tool_manager->active_tool)
+ {
+ gimp_tool_button_release (tool_manager->active_tool,
+ coords, time, state,
+ display);
+ }
+}
+
+void
+tool_manager_motion_active (Gimp *gimp,
+ const GimpCoords *coords,
+ guint32 time,
+ GdkModifierType state,
+ GimpDisplay *display)
+{
+ GimpToolManager *tool_manager;
+
+ g_return_if_fail (GIMP_IS_GIMP (gimp));
+
+ tool_manager = tool_manager_get (gimp);
+
+ if (tool_manager->active_tool)
+ {
+ gimp_tool_motion (tool_manager->active_tool,
+ coords, time, state,
+ display);
+ }
+}
+
+gboolean
+tool_manager_key_press_active (Gimp *gimp,
+ GdkEventKey *kevent,
+ GimpDisplay *display)
+{
+ GimpToolManager *tool_manager;
+
+ g_return_val_if_fail (GIMP_IS_GIMP (gimp), FALSE);
+
+ tool_manager = tool_manager_get (gimp);
+
+ if (tool_manager->active_tool)
+ {
+ return gimp_tool_key_press (tool_manager->active_tool,
+ kevent,
+ display);
+ }
+
+ return FALSE;
+}
+
+gboolean
+tool_manager_key_release_active (Gimp *gimp,
+ GdkEventKey *kevent,
+ GimpDisplay *display)
+{
+ GimpToolManager *tool_manager;
+
+ g_return_val_if_fail (GIMP_IS_GIMP (gimp), FALSE);
+
+ tool_manager = tool_manager_get (gimp);
+
+ if (tool_manager->active_tool)
+ {
+ return gimp_tool_key_release (tool_manager->active_tool,
+ kevent,
+ display);
+ }
+
+ return FALSE;
+}
+
+void
+tool_manager_focus_display_active (Gimp *gimp,
+ GimpDisplay *display)
+{
+ GimpToolManager *tool_manager;
+
+ g_return_if_fail (GIMP_IS_GIMP (gimp));
+
+ tool_manager = tool_manager_get (gimp);
+
+ if (tool_manager->active_tool &&
+ ! gimp_tool_control_is_active (tool_manager->active_tool->control))
+ {
+ gimp_tool_set_focus_display (tool_manager->active_tool,
+ display);
+ }
+}
+
+void
+tool_manager_modifier_state_active (Gimp *gimp,
+ GdkModifierType state,
+ GimpDisplay *display)
+{
+ GimpToolManager *tool_manager;
+
+ g_return_if_fail (GIMP_IS_GIMP (gimp));
+
+ tool_manager = tool_manager_get (gimp);
+
+ if (tool_manager->active_tool &&
+ ! gimp_tool_control_is_active (tool_manager->active_tool->control))
+ {
+ gimp_tool_set_modifier_state (tool_manager->active_tool,
+ state,
+ display);
+ }
+}
+
+void
+tool_manager_active_modifier_state_active (Gimp *gimp,
+ GdkModifierType state,
+ GimpDisplay *display)
+{
+ GimpToolManager *tool_manager;
+
+ g_return_if_fail (GIMP_IS_GIMP (gimp));
+
+ tool_manager = tool_manager_get (gimp);
+
+ if (tool_manager->active_tool)
+ {
+ gimp_tool_set_active_modifier_state (tool_manager->active_tool,
+ state,
+ display);
+ }
+}
+
+void
+tool_manager_oper_update_active (Gimp *gimp,
+ const GimpCoords *coords,
+ GdkModifierType state,
+ gboolean proximity,
+ GimpDisplay *display)
+{
+ GimpToolManager *tool_manager;
+
+ g_return_if_fail (GIMP_IS_GIMP (gimp));
+
+ tool_manager = tool_manager_get (gimp);
+
+ if (tool_manager->active_tool &&
+ ! gimp_tool_control_is_active (tool_manager->active_tool->control))
+ {
+ gimp_tool_oper_update (tool_manager->active_tool,
+ coords, state, proximity,
+ display);
+ }
+}
+
+void
+tool_manager_cursor_update_active (Gimp *gimp,
+ const GimpCoords *coords,
+ GdkModifierType state,
+ GimpDisplay *display)
+{
+ GimpToolManager *tool_manager;
+
+ g_return_if_fail (GIMP_IS_GIMP (gimp));
+
+ tool_manager = tool_manager_get (gimp);
+
+ if (tool_manager->active_tool &&
+ ! gimp_tool_control_is_active (tool_manager->active_tool->control))
+ {
+ gimp_tool_cursor_update (tool_manager->active_tool,
+ coords, state,
+ display);
+ }
+}
+
+const gchar *
+tool_manager_can_undo_active (Gimp *gimp,
+ GimpDisplay *display)
+{
+ GimpToolManager *tool_manager;
+
+ g_return_val_if_fail (GIMP_IS_GIMP (gimp), NULL);
+
+ tool_manager = tool_manager_get (gimp);
+
+ if (tool_manager->active_tool)
+ {
+ return gimp_tool_can_undo (tool_manager->active_tool,
+ display);
+ }
+
+ return NULL;
+}
+
+const gchar *
+tool_manager_can_redo_active (Gimp *gimp,
+ GimpDisplay *display)
+{
+ GimpToolManager *tool_manager;
+
+ g_return_val_if_fail (GIMP_IS_GIMP (gimp), NULL);
+
+ tool_manager = tool_manager_get (gimp);
+
+ if (tool_manager->active_tool)
+ {
+ return gimp_tool_can_redo (tool_manager->active_tool,
+ display);
+ }
+
+ return NULL;
+}
+
+gboolean
+tool_manager_undo_active (Gimp *gimp,
+ GimpDisplay *display)
+{
+ GimpToolManager *tool_manager;
+
+ g_return_val_if_fail (GIMP_IS_GIMP (gimp), FALSE);
+
+ tool_manager = tool_manager_get (gimp);
+
+ if (tool_manager->active_tool)
+ {
+ return gimp_tool_undo (tool_manager->active_tool,
+ display);
+ }
+
+ return FALSE;
+}
+
+gboolean
+tool_manager_redo_active (Gimp *gimp,
+ GimpDisplay *display)
+{
+ GimpToolManager *tool_manager;
+
+ g_return_val_if_fail (GIMP_IS_GIMP (gimp), FALSE);
+
+ tool_manager = tool_manager_get (gimp);
+
+ if (tool_manager->active_tool)
+ {
+ return gimp_tool_redo (tool_manager->active_tool,
+ display);
+ }
+
+ return FALSE;
+}
+
+GimpUIManager *
+tool_manager_get_popup_active (Gimp *gimp,
+ const GimpCoords *coords,
+ GdkModifierType state,
+ GimpDisplay *display,
+ const gchar **ui_path)
+{
+ GimpToolManager *tool_manager;
+
+ g_return_val_if_fail (GIMP_IS_GIMP (gimp), NULL);
+
+ tool_manager = tool_manager_get (gimp);
+
+ if (tool_manager->active_tool)
+ {
+ return gimp_tool_get_popup (tool_manager->active_tool,
+ coords, state,
+ display,
+ ui_path);
+ }
+
+ return NULL;
+}
+
+
+/* private functions */
+
+static GQuark tool_manager_quark = 0;
+
+static void
+tool_manager_set (Gimp *gimp,
+ GimpToolManager *tool_manager)
+{
+ if (! tool_manager_quark)
+ tool_manager_quark = g_quark_from_static_string ("gimp-tool-manager");
+
+ g_object_set_qdata (G_OBJECT (gimp), tool_manager_quark, tool_manager);
+}
+
+static GimpToolManager *
+tool_manager_get (Gimp *gimp)
+{
+ if (! tool_manager_quark)
+ tool_manager_quark = g_quark_from_static_string ("gimp-tool-manager");
+
+ return g_object_get_qdata (G_OBJECT (gimp), tool_manager_quark);
+}
+
+static void
+tool_manager_select_tool (GimpToolManager *tool_manager,
+ GimpTool *tool)
+{
+ Gimp *gimp = tool_manager->gimp;
+
+ /* reset the previously selected tool, but only if it is not only
+ * temporarily pushed to the tool stack
+ */
+ if (tool_manager->active_tool)
+ {
+ if (! tool_manager->tool_stack ||
+ tool_manager->active_tool != tool_manager->tool_stack->data)
+ {
+ GimpTool *active_tool = tool_manager->active_tool;
+ GimpDisplay *display;
+
+ /* NULL image returns any display (if there is any) */
+ display = gimp_tool_has_image (active_tool, NULL);
+
+ tool_manager_control_active (gimp, GIMP_TOOL_ACTION_HALT, display);
+ tool_manager_focus_display_active (gimp, NULL);
+ }
+ }
+
+ g_set_object (&tool_manager->active_tool, tool);
+}
+
+static void
+tool_manager_set_active_tool_group (GimpToolManager *tool_manager,
+ GimpToolGroup *tool_group)
+{
+ if (tool_group != tool_manager->active_tool_group)
+ {
+ if (tool_manager->active_tool_group)
+ {
+ g_signal_handlers_disconnect_by_func (
+ tool_manager->active_tool_group,
+ tool_manager_group_active_tool_changed,
+ tool_manager);
+ }
+
+ g_set_weak_pointer (&tool_manager->active_tool_group, tool_group);
+
+ if (tool_manager->active_tool_group)
+ {
+ g_signal_connect (
+ tool_manager->active_tool_group, "active-tool-changed",
+ G_CALLBACK (tool_manager_group_active_tool_changed),
+ tool_manager);
+ }
+ }
+}
+
+static void
+tool_manager_tool_changed (GimpContext *user_context,
+ GimpToolInfo *tool_info,
+ GimpToolManager *tool_manager)
+{
+ GimpTool *new_tool = NULL;
+
+ if (! tool_info)
+ return;
+
+ if (! g_type_is_a (tool_info->tool_type, GIMP_TYPE_TOOL))
+ {
+ g_warning ("%s: tool_info->tool_type is no GimpTool subclass",
+ G_STRFUNC);
+ return;
+ }
+
+ /* FIXME: gimp_busy HACK */
+ if (user_context->gimp->busy)
+ {
+ /* there may be contexts waiting for the user_context's "tool-changed"
+ * signal, so stop emitting it.
+ */
+ g_signal_stop_emission_by_name (user_context, "tool-changed");
+
+ if (G_TYPE_FROM_INSTANCE (tool_manager->active_tool) !=
+ tool_info->tool_type)
+ {
+ g_signal_handlers_block_by_func (user_context,
+ tool_manager_tool_changed,
+ tool_manager);
+
+ /* explicitly set the current tool */
+ gimp_context_set_tool (user_context,
+ tool_manager->active_tool->tool_info);
+
+ g_signal_handlers_unblock_by_func (user_context,
+ tool_manager_tool_changed,
+ tool_manager);
+ }
+
+ return;
+ }
+
+ g_return_if_fail (tool_manager->tool_stack == NULL);
+
+ if (tool_manager->active_tool)
+ {
+ GimpTool *active_tool = tool_manager->active_tool;
+ GimpDisplay *display;
+
+ /* NULL image returns any display (if there is any) */
+ display = gimp_tool_has_image (active_tool, NULL);
+
+ /* commit the old tool's operation before creating the new tool
+ * because creating a tool might mess with the old tool's
+ * options (old and new tool might be the same)
+ */
+ if (display)
+ tool_manager_control_active (user_context->gimp, GIMP_TOOL_ACTION_COMMIT,
+ display);
+
+ g_signal_handlers_disconnect_by_func (active_tool->tool_info,
+ tool_manager_tool_ancestry_changed,
+ tool_manager);
+ }
+
+ g_signal_connect (tool_info, "ancestry-changed",
+ G_CALLBACK (tool_manager_tool_ancestry_changed),
+ tool_manager);
+
+ tool_manager_tool_ancestry_changed (tool_info, tool_manager);
+
+ new_tool = g_object_new (tool_info->tool_type,
+ "tool-info", tool_info,
+ NULL);
+
+ tool_manager_select_tool (tool_manager, new_tool);
+
+ g_object_unref (new_tool);
+
+ /* ??? */
+ tool_manager_cast_spell (tool_info);
+}
+
+static void
+tool_manager_copy_tool_options (GObject *src,
+ GObject *dest)
+{
+ GList *diff;
+
+ diff = gimp_config_diff (src, dest, G_PARAM_READWRITE);
+
+ if (diff)
+ {
+ GList *list;
+
+ g_object_freeze_notify (dest);
+
+ for (list = diff; list; list = list->next)
+ {
+ GParamSpec *prop_spec = list->data;
+
+ if (g_type_is_a (prop_spec->owner_type, GIMP_TYPE_TOOL_OPTIONS) &&
+ ! (prop_spec->flags & G_PARAM_CONSTRUCT_ONLY))
+ {
+ GValue value = G_VALUE_INIT;
+
+ g_value_init (&value, prop_spec->value_type);
+
+ g_object_get_property (src, prop_spec->name, &value);
+ g_object_set_property (dest, prop_spec->name, &value);
+
+ g_value_unset (&value);
+ }
+ }
+
+ g_object_thaw_notify (dest);
+
+ g_list_free (diff);
+ }
+}
+
+static void
+tool_manager_preset_changed (GimpContext *user_context,
+ GimpToolPreset *preset,
+ GimpToolManager *tool_manager)
+{
+ GimpToolInfo *preset_tool;
+
+ if (! preset || user_context->gimp->busy)
+ return;
+
+ preset_tool = gimp_context_get_tool (GIMP_CONTEXT (preset->tool_options));
+
+ /* first, select the preset's tool, even if it's already the active
+ * tool
+ */
+ gimp_context_set_tool (user_context, preset_tool);
+
+ /* then, copy the context properties the preset remembers, possibly
+ * changing some tool options due to the "link brush stuff to brush
+ * defaults" settings in gimptooloptions.c
+ */
+ gimp_context_copy_properties (GIMP_CONTEXT (preset->tool_options),
+ user_context,
+ gimp_tool_preset_get_prop_mask (preset));
+
+ /* finally, copy all tool options properties, overwriting any
+ * changes resulting from setting the context properties above, we
+ * really want exactly what is in the preset and nothing else
+ */
+ tool_manager_copy_tool_options (G_OBJECT (preset->tool_options),
+ G_OBJECT (preset_tool->tool_options));
+}
+
+static void
+tool_manager_image_clean_dirty (GimpImage *image,
+ GimpDirtyMask dirty_mask,
+ GimpToolManager *tool_manager)
+{
+ GimpTool *tool = tool_manager->active_tool;
+
+ if (tool &&
+ ! gimp_tool_control_get_preserve (tool->control) &&
+ (gimp_tool_control_get_dirty_mask (tool->control) & dirty_mask))
+ {
+ GimpDisplay *display = gimp_tool_has_image (tool, image);
+
+ if (display)
+ {
+ tool_manager_control_active (
+ image->gimp,
+ gimp_tool_control_get_dirty_action (tool->control),
+ display);
+ }
+ }
+}
+
+static void
+tool_manager_image_saving (GimpImage *image,
+ GimpToolManager *tool_manager)
+{
+ GimpTool *tool = tool_manager->active_tool;
+
+ if (tool &&
+ ! gimp_tool_control_get_preserve (tool->control))
+ {
+ GimpDisplay *display = gimp_tool_has_image (tool, image);
+
+ if (display)
+ tool_manager_control_active (image->gimp, GIMP_TOOL_ACTION_COMMIT,
+ display);
+ }
+}
+
+static void
+tool_manager_tool_ancestry_changed (GimpToolInfo *tool_info,
+ GimpToolManager *tool_manager)
+{
+ GimpViewable *parent;
+
+ parent = gimp_viewable_get_parent (GIMP_VIEWABLE (tool_info));
+
+ if (parent)
+ {
+ gimp_tool_group_set_active_tool_info (GIMP_TOOL_GROUP (parent),
+ tool_info);
+ }
+
+ tool_manager_set_active_tool_group (tool_manager, GIMP_TOOL_GROUP (parent));
+}
+
+static void
+tool_manager_group_active_tool_changed (GimpToolGroup *tool_group,
+ GimpToolManager *tool_manager)
+{
+ gimp_context_set_tool (tool_manager->gimp->user_context,
+ gimp_tool_group_get_active_tool_info (tool_group));
+}
+
+static void
+tool_manager_cast_spell (GimpToolInfo *tool_info)
+{
+ typedef struct
+ {
+ const gchar *sequence;
+ GCallback func;
+ } Spell;
+
+ static const Spell spells[] =
+ {
+ { .sequence = "gimp-warp-tool\0"
+ "gimp-iscissors-tool\0"
+ "gimp-gradient-tool\0"
+ "gimp-vector-tool\0"
+ "gimp-ellipse-select-tool\0"
+ "gimp-rect-select-tool\0",
+ .func = gimp_cairo_wilber_toggle_pointer_eyes
+ }
+ };
+
+ static const gchar *spell_progress[G_N_ELEMENTS (spells)];
+ const gchar *tool_name;
+ gint i;
+
+ tool_name = gimp_object_get_name (GIMP_OBJECT (tool_info));
+
+ for (i = 0; i < G_N_ELEMENTS (spells); i++)
+ {
+ if (! spell_progress[i])
+ spell_progress[i] = spells[i].sequence;
+
+ while (spell_progress[i])
+ {
+ if (! strcmp (tool_name, spell_progress[i]))
+ {
+ spell_progress[i] += strlen (spell_progress[i]) + 1;
+
+ if (! *spell_progress[i])
+ {
+ spell_progress[i] = NULL;
+
+ spells[i].func ();
+ }
+
+ break;
+ }
+ else
+ {
+ if (spell_progress[i] == spells[i].sequence)
+ spell_progress[i] = NULL;
+ else
+ spell_progress[i] = spells[i].sequence;
+ }
+ }
+ }
+}