gimp/app/tools/tool_manager.c
Alx Sa ceb9747e23 libgimpwidgets: New API to check system animation status
Ports the animation code started in e13cc635
to an independent gimp_widget_animation_enabled()
function. This allows plug-in authors to
also conditionally turn off animations if
the user's system settings say to do so.

The function is applied to the About
Dialogue animation as well as two Easter
Egg animations:
* Wilber's eyes blinking after 23 minutes
on an empty canvas
* Wilber's eyes following the mouse after
a certain sequence of tools is clicked
2024-06-10 13:47:25 +00:00

1051 lines
31 KiB
C

/* 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 "libgimpwidgets/gimpwidgets.h"
#include "tools-types.h"
#include "core/gimp.h"
#include "core/gimpcontainer.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 "gimpgegltool.h"
#include "gimptool.h"
#include "gimptoolcontrol.h"
#include "gimptransformgridtool.h"
#include "tool_manager.h"
typedef struct _GimpToolManager GimpToolManager;
struct _GimpToolManager
{
Gimp *gimp;
GimpTool *active_tool;
GSList *tool_stack;
GimpToolGroup *active_tool_group;
GimpImage *image;
GQuark image_clean_handler_id;
GQuark image_dirty_handler_id;
GQuark image_saving_handler_id;
};
/* local function prototypes */
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_image_changed (GimpContext *context,
GimpImage *image,
GimpToolManager *tool_manager);
static void tool_manager_selected_layers_changed (GimpImage *image,
GimpToolManager *tool_manager);
static void tool_manager_active_tool_deactivated (GimpContext *context,
GimpToolManager *tool_manager);
static void tool_manager_cast_spell (GimpToolInfo *tool_info);
static GQuark tool_manager_quark = 0;
/* public functions */
void
tool_manager_init (Gimp *gimp)
{
GimpToolManager *tool_manager;
GimpContext *user_context;
g_return_if_fail (GIMP_IS_GIMP (gimp));
g_return_if_fail (tool_manager_quark == 0);
tool_manager_quark = g_quark_from_static_string ("gimp-tool-manager");
tool_manager = g_slice_new0 (GimpToolManager);
tool_manager->gimp = gimp;
g_object_set_qdata (G_OBJECT (gimp), tool_manager_quark, 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);
g_signal_connect (user_context, "image-changed",
G_CALLBACK (tool_manager_image_changed),
tool_manager);
tool_manager_image_changed (user_context,
gimp_context_get_image (user_context),
tool_manager);
tool_manager_selected_layers_changed (gimp_context_get_image (user_context),
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);
g_return_if_fail (tool_manager != 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);
g_signal_handlers_disconnect_by_func (user_context,
tool_manager_image_changed,
tool_manager);
if (tool_manager->image)
g_signal_handlers_disconnect_by_func (tool_manager->image,
tool_manager_selected_layers_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);
g_object_set_qdata (G_OBJECT (gimp), tool_manager_quark, NULL);
}
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);
g_list_free (tool->drawables);
tool->drawables = gimp_image_get_selected_drawables (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 GimpToolManager *
tool_manager_get (Gimp *gimp)
{
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)
{
tool_manager_active_tool_deactivated (user_context, 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);
/* Auto-activate any transform or GEGL operation tools */
if (GIMP_IS_TRANSFORM_GRID_TOOL (new_tool) ||
GIMP_IS_GEGL_TOOL (new_tool))
{
GimpDisplay *new_display;
new_display = gimp_context_get_display (user_context);
if (new_display && gimp_display_get_image (new_display))
tool_manager_initialize_active (user_context->gimp, new_display);
}
g_object_unref (new_tool);
if (gimp_widget_animation_enabled ())
{
/* ??? */
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_image_changed (GimpContext *context,
GimpImage *image,
GimpToolManager *tool_manager)
{
if (tool_manager->image)
{
g_signal_handlers_disconnect_by_func (tool_manager->image,
tool_manager_selected_layers_changed,
tool_manager);
}
tool_manager->image = image;
/* Turn off auto-activated tools when switching images */
if (image &&
(GIMP_IS_TRANSFORM_GRID_TOOL (tool_manager->active_tool) ||
GIMP_IS_GEGL_TOOL (tool_manager->active_tool)))
{
gimp_context_set_tool (context,
tool_manager->active_tool->tool_info);
tool_manager_active_tool_deactivated (context, tool_manager);
}
if (image)
g_signal_connect (tool_manager->image, "selected-layers-changed",
G_CALLBACK (tool_manager_selected_layers_changed),
tool_manager);
}
static void
tool_manager_selected_layers_changed (GimpImage *image,
GimpToolManager *tool_manager)
{
/* Re-activate transform tools when changing selected layers */
if (image &&
(GIMP_IS_TRANSFORM_GRID_TOOL (tool_manager->active_tool) ||
GIMP_IS_GEGL_TOOL (tool_manager->active_tool)))
{
gimp_context_set_tool (tool_manager->gimp->user_context,
tool_manager->active_tool->tool_info);
tool_manager_tool_changed (tool_manager->gimp->user_context,
gimp_context_get_tool (
tool_manager->gimp->user_context),
tool_manager);
}
}
static void
tool_manager_active_tool_deactivated (GimpContext *context,
GimpToolManager *tool_manager)
{
GimpDisplay *display;
display = gimp_tool_has_image (tool_manager->active_tool, NULL);
/* NULL image returns any display (if there is any) */
if (display)
tool_manager_control_active (context->gimp, GIMP_TOOL_ACTION_COMMIT,
display);
/* 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)
*/
g_signal_handlers_disconnect_by_func (tool_manager->active_tool->tool_info,
tool_manager_tool_ancestry_changed,
tool_manager);
}
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;
}
}
}
}