1052 lines
31 KiB
C
1052 lines
31 KiB
C
/* PIKA - Photo and Image Kooker Application
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* a rebranding of The GNU Image Manipulation Program (created with heckimp)
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* A derived work which may be trivial. However, any changes may be (C)2023 by Aldercone Studio
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*
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* Original copyright, applying to most contents (license remains unchanged):
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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 3 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, see <https://www.gnu.org/licenses/>.
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*/
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#include "config.h"
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#include <string.h>
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#include <gegl.h>
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#include <gtk/gtk.h>
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#include "libpikaconfig/pikaconfig.h"
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#include "tools-types.h"
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#include "core/pika.h"
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#include "core/pikacontainer.h"
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#include "core/pikaimage.h"
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#include "core/pikatoolgroup.h"
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#include "core/pikatoolinfo.h"
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#include "core/pikatooloptions.h"
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#include "core/pikatoolpreset.h"
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#include "display/pikadisplay.h"
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#include "widgets/pikacairo-mascot.h"
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#include "pikagegltool.h"
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#include "pikatool.h"
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#include "pikatoolcontrol.h"
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#include "pikatransformgridtool.h"
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#include "tool_manager.h"
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typedef struct _PikaToolManager PikaToolManager;
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struct _PikaToolManager
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{
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Pika *pika;
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PikaTool *active_tool;
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GSList *tool_stack;
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PikaToolGroup *active_tool_group;
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PikaImage *image;
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GQuark image_clean_handler_id;
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GQuark image_dirty_handler_id;
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GQuark image_saving_handler_id;
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};
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/* local function prototypes */
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static PikaToolManager * tool_manager_get (Pika *pika);
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static void tool_manager_select_tool (PikaToolManager *tool_manager,
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PikaTool *tool);
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static void tool_manager_set_active_tool_group (PikaToolManager *tool_manager,
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PikaToolGroup *tool_group);
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static void tool_manager_tool_changed (PikaContext *user_context,
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PikaToolInfo *tool_info,
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PikaToolManager *tool_manager);
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static void tool_manager_preset_changed (PikaContext *user_context,
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PikaToolPreset *preset,
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PikaToolManager *tool_manager);
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static void tool_manager_image_clean_dirty (PikaImage *image,
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PikaDirtyMask dirty_mask,
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PikaToolManager *tool_manager);
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static void tool_manager_image_saving (PikaImage *image,
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PikaToolManager *tool_manager);
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static void tool_manager_tool_ancestry_changed (PikaToolInfo *tool_info,
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PikaToolManager *tool_manager);
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static void tool_manager_group_active_tool_changed (PikaToolGroup *tool_group,
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PikaToolManager *tool_manager);
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static void tool_manager_image_changed (PikaContext *context,
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PikaImage *image,
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PikaToolManager *tool_manager);
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static void tool_manager_selected_layers_changed (PikaImage *image,
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PikaToolManager *tool_manager);
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static void tool_manager_active_tool_deactivated (PikaContext *context,
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PikaToolManager *tool_manager);
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static void tool_manager_cast_spell (PikaToolInfo *tool_info);
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static GQuark tool_manager_quark = 0;
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/* public functions */
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void
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tool_manager_init (Pika *pika)
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{
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PikaToolManager *tool_manager;
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PikaContext *user_context;
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g_return_if_fail (PIKA_IS_PIKA (pika));
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g_return_if_fail (tool_manager_quark == 0);
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tool_manager_quark = g_quark_from_static_string ("pika-tool-manager");
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tool_manager = g_slice_new0 (PikaToolManager);
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tool_manager->pika = pika;
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g_object_set_qdata (G_OBJECT (pika), tool_manager_quark, tool_manager);
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tool_manager->image_clean_handler_id =
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pika_container_add_handler (pika->images, "clean",
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G_CALLBACK (tool_manager_image_clean_dirty),
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tool_manager);
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tool_manager->image_dirty_handler_id =
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pika_container_add_handler (pika->images, "dirty",
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G_CALLBACK (tool_manager_image_clean_dirty),
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tool_manager);
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tool_manager->image_saving_handler_id =
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pika_container_add_handler (pika->images, "saving",
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G_CALLBACK (tool_manager_image_saving),
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tool_manager);
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user_context = pika_get_user_context (pika);
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g_signal_connect (user_context, "tool-changed",
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G_CALLBACK (tool_manager_tool_changed),
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tool_manager);
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g_signal_connect (user_context, "tool-preset-changed",
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G_CALLBACK (tool_manager_preset_changed),
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tool_manager);
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g_signal_connect (user_context, "image-changed",
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G_CALLBACK (tool_manager_image_changed),
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tool_manager);
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tool_manager_image_changed (user_context,
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pika_context_get_image (user_context),
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tool_manager);
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tool_manager_selected_layers_changed (pika_context_get_image (user_context),
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tool_manager);
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tool_manager_tool_changed (user_context,
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pika_context_get_tool (user_context),
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tool_manager);
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}
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void
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tool_manager_exit (Pika *pika)
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{
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PikaToolManager *tool_manager;
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PikaContext *user_context;
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g_return_if_fail (PIKA_IS_PIKA (pika));
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tool_manager = tool_manager_get (pika);
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g_return_if_fail (tool_manager != NULL);
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user_context = pika_get_user_context (pika);
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g_signal_handlers_disconnect_by_func (user_context,
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tool_manager_tool_changed,
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tool_manager);
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g_signal_handlers_disconnect_by_func (user_context,
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tool_manager_preset_changed,
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tool_manager);
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g_signal_handlers_disconnect_by_func (user_context,
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tool_manager_image_changed,
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tool_manager);
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if (tool_manager->image)
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g_signal_handlers_disconnect_by_func (tool_manager->image,
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tool_manager_selected_layers_changed,
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tool_manager);
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pika_container_remove_handler (pika->images,
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tool_manager->image_clean_handler_id);
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pika_container_remove_handler (pika->images,
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tool_manager->image_dirty_handler_id);
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pika_container_remove_handler (pika->images,
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tool_manager->image_saving_handler_id);
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if (tool_manager->active_tool)
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{
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g_signal_handlers_disconnect_by_func (
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tool_manager->active_tool->tool_info,
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tool_manager_tool_ancestry_changed,
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tool_manager);
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g_clear_object (&tool_manager->active_tool);
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}
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tool_manager_set_active_tool_group (tool_manager, NULL);
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g_slice_free (PikaToolManager, tool_manager);
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g_object_set_qdata (G_OBJECT (pika), tool_manager_quark, NULL);
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}
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PikaTool *
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tool_manager_get_active (Pika *pika)
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{
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PikaToolManager *tool_manager;
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g_return_val_if_fail (PIKA_IS_PIKA (pika), NULL);
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tool_manager = tool_manager_get (pika);
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return tool_manager->active_tool;
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}
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void
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tool_manager_push_tool (Pika *pika,
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PikaTool *tool)
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{
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PikaToolManager *tool_manager;
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PikaDisplay *focus_display = NULL;
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g_return_if_fail (PIKA_IS_PIKA (pika));
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g_return_if_fail (PIKA_IS_TOOL (tool));
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tool_manager = tool_manager_get (pika);
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if (tool_manager->active_tool)
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{
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focus_display = tool_manager->active_tool->focus_display;
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tool_manager->tool_stack = g_slist_prepend (tool_manager->tool_stack,
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tool_manager->active_tool);
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g_object_ref (tool_manager->tool_stack->data);
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}
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tool_manager_select_tool (tool_manager, tool);
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if (focus_display)
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tool_manager_focus_display_active (pika, focus_display);
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}
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void
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tool_manager_pop_tool (Pika *pika)
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{
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PikaToolManager *tool_manager;
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g_return_if_fail (PIKA_IS_PIKA (pika));
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tool_manager = tool_manager_get (pika);
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if (tool_manager->tool_stack)
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{
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PikaTool *tool = tool_manager->tool_stack->data;
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tool_manager->tool_stack = g_slist_remove (tool_manager->tool_stack,
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tool);
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tool_manager_select_tool (tool_manager, tool);
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g_object_unref (tool);
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}
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}
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gboolean
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tool_manager_initialize_active (Pika *pika,
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PikaDisplay *display)
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{
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PikaToolManager *tool_manager;
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g_return_val_if_fail (PIKA_IS_PIKA (pika), FALSE);
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g_return_val_if_fail (PIKA_IS_DISPLAY (display), FALSE);
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tool_manager = tool_manager_get (pika);
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if (tool_manager->active_tool)
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{
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PikaTool *tool = tool_manager->active_tool;
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if (pika_tool_initialize (tool, display))
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{
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PikaImage *image = pika_display_get_image (display);
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g_list_free (tool->drawables);
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tool->drawables = pika_image_get_selected_drawables (image);
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return TRUE;
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}
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}
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return FALSE;
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}
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void
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tool_manager_control_active (Pika *pika,
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PikaToolAction action,
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PikaDisplay *display)
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{
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PikaToolManager *tool_manager;
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g_return_if_fail (PIKA_IS_PIKA (pika));
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tool_manager = tool_manager_get (pika);
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if (tool_manager->active_tool)
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{
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PikaTool *tool = tool_manager->active_tool;
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if (display && pika_tool_has_display (tool, display))
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{
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pika_tool_control (tool, action, display);
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}
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else if (action == PIKA_TOOL_ACTION_HALT)
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{
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if (pika_tool_control_is_active (tool->control))
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pika_tool_control_halt (tool->control);
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}
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}
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}
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void
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tool_manager_button_press_active (Pika *pika,
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const PikaCoords *coords,
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guint32 time,
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GdkModifierType state,
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PikaButtonPressType press_type,
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PikaDisplay *display)
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{
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PikaToolManager *tool_manager;
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g_return_if_fail (PIKA_IS_PIKA (pika));
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tool_manager = tool_manager_get (pika);
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if (tool_manager->active_tool)
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{
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pika_tool_button_press (tool_manager->active_tool,
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coords, time, state, press_type,
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display);
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}
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}
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void
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tool_manager_button_release_active (Pika *pika,
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const PikaCoords *coords,
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guint32 time,
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GdkModifierType state,
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PikaDisplay *display)
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{
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PikaToolManager *tool_manager;
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g_return_if_fail (PIKA_IS_PIKA (pika));
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tool_manager = tool_manager_get (pika);
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if (tool_manager->active_tool)
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{
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pika_tool_button_release (tool_manager->active_tool,
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coords, time, state,
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display);
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}
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}
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void
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tool_manager_motion_active (Pika *pika,
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const PikaCoords *coords,
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guint32 time,
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GdkModifierType state,
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PikaDisplay *display)
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{
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PikaToolManager *tool_manager;
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g_return_if_fail (PIKA_IS_PIKA (pika));
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tool_manager = tool_manager_get (pika);
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if (tool_manager->active_tool)
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{
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pika_tool_motion (tool_manager->active_tool,
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coords, time, state,
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display);
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}
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}
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gboolean
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tool_manager_key_press_active (Pika *pika,
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GdkEventKey *kevent,
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PikaDisplay *display)
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{
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PikaToolManager *tool_manager;
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g_return_val_if_fail (PIKA_IS_PIKA (pika), FALSE);
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tool_manager = tool_manager_get (pika);
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if (tool_manager->active_tool)
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{
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return pika_tool_key_press (tool_manager->active_tool,
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kevent,
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display);
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}
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return FALSE;
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}
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gboolean
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tool_manager_key_release_active (Pika *pika,
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GdkEventKey *kevent,
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PikaDisplay *display)
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{
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PikaToolManager *tool_manager;
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g_return_val_if_fail (PIKA_IS_PIKA (pika), FALSE);
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tool_manager = tool_manager_get (pika);
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if (tool_manager->active_tool)
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{
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return pika_tool_key_release (tool_manager->active_tool,
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kevent,
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display);
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}
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return FALSE;
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}
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void
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tool_manager_focus_display_active (Pika *pika,
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PikaDisplay *display)
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{
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PikaToolManager *tool_manager;
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g_return_if_fail (PIKA_IS_PIKA (pika));
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tool_manager = tool_manager_get (pika);
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if (tool_manager->active_tool &&
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! pika_tool_control_is_active (tool_manager->active_tool->control))
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{
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pika_tool_set_focus_display (tool_manager->active_tool,
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display);
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}
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}
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void
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tool_manager_modifier_state_active (Pika *pika,
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GdkModifierType state,
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PikaDisplay *display)
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{
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PikaToolManager *tool_manager;
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g_return_if_fail (PIKA_IS_PIKA (pika));
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tool_manager = tool_manager_get (pika);
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if (tool_manager->active_tool &&
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! pika_tool_control_is_active (tool_manager->active_tool->control))
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{
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pika_tool_set_modifier_state (tool_manager->active_tool,
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state,
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display);
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}
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}
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void
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tool_manager_active_modifier_state_active (Pika *pika,
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GdkModifierType state,
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PikaDisplay *display)
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{
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PikaToolManager *tool_manager;
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g_return_if_fail (PIKA_IS_PIKA (pika));
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tool_manager = tool_manager_get (pika);
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if (tool_manager->active_tool)
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{
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pika_tool_set_active_modifier_state (tool_manager->active_tool,
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state,
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display);
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}
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}
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void
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tool_manager_oper_update_active (Pika *pika,
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const PikaCoords *coords,
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GdkModifierType state,
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gboolean proximity,
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PikaDisplay *display)
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{
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PikaToolManager *tool_manager;
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g_return_if_fail (PIKA_IS_PIKA (pika));
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tool_manager = tool_manager_get (pika);
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if (tool_manager->active_tool &&
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! pika_tool_control_is_active (tool_manager->active_tool->control))
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{
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pika_tool_oper_update (tool_manager->active_tool,
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coords, state, proximity,
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display);
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}
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}
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|
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void
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tool_manager_cursor_update_active (Pika *pika,
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const PikaCoords *coords,
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GdkModifierType state,
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PikaDisplay *display)
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{
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PikaToolManager *tool_manager;
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g_return_if_fail (PIKA_IS_PIKA (pika));
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|
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tool_manager = tool_manager_get (pika);
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if (tool_manager->active_tool &&
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! pika_tool_control_is_active (tool_manager->active_tool->control))
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{
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pika_tool_cursor_update (tool_manager->active_tool,
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coords, state,
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display);
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}
|
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}
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|
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const gchar *
|
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tool_manager_can_undo_active (Pika *pika,
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PikaDisplay *display)
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{
|
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PikaToolManager *tool_manager;
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|
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g_return_val_if_fail (PIKA_IS_PIKA (pika), NULL);
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|
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tool_manager = tool_manager_get (pika);
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|
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if (tool_manager->active_tool)
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{
|
|
return pika_tool_can_undo (tool_manager->active_tool,
|
|
display);
|
|
}
|
|
|
|
return NULL;
|
|
}
|
|
|
|
const gchar *
|
|
tool_manager_can_redo_active (Pika *pika,
|
|
PikaDisplay *display)
|
|
{
|
|
PikaToolManager *tool_manager;
|
|
|
|
g_return_val_if_fail (PIKA_IS_PIKA (pika), NULL);
|
|
|
|
tool_manager = tool_manager_get (pika);
|
|
|
|
if (tool_manager->active_tool)
|
|
{
|
|
return pika_tool_can_redo (tool_manager->active_tool,
|
|
display);
|
|
}
|
|
|
|
return NULL;
|
|
}
|
|
|
|
gboolean
|
|
tool_manager_undo_active (Pika *pika,
|
|
PikaDisplay *display)
|
|
{
|
|
PikaToolManager *tool_manager;
|
|
|
|
g_return_val_if_fail (PIKA_IS_PIKA (pika), FALSE);
|
|
|
|
tool_manager = tool_manager_get (pika);
|
|
|
|
if (tool_manager->active_tool)
|
|
{
|
|
return pika_tool_undo (tool_manager->active_tool,
|
|
display);
|
|
}
|
|
|
|
return FALSE;
|
|
}
|
|
|
|
gboolean
|
|
tool_manager_redo_active (Pika *pika,
|
|
PikaDisplay *display)
|
|
{
|
|
PikaToolManager *tool_manager;
|
|
|
|
g_return_val_if_fail (PIKA_IS_PIKA (pika), FALSE);
|
|
|
|
tool_manager = tool_manager_get (pika);
|
|
|
|
if (tool_manager->active_tool)
|
|
{
|
|
return pika_tool_redo (tool_manager->active_tool,
|
|
display);
|
|
}
|
|
|
|
return FALSE;
|
|
}
|
|
|
|
PikaUIManager *
|
|
tool_manager_get_popup_active (Pika *pika,
|
|
const PikaCoords *coords,
|
|
GdkModifierType state,
|
|
PikaDisplay *display,
|
|
const gchar **ui_path)
|
|
{
|
|
PikaToolManager *tool_manager;
|
|
|
|
g_return_val_if_fail (PIKA_IS_PIKA (pika), NULL);
|
|
|
|
tool_manager = tool_manager_get (pika);
|
|
|
|
if (tool_manager->active_tool)
|
|
{
|
|
return pika_tool_get_popup (tool_manager->active_tool,
|
|
coords, state,
|
|
display,
|
|
ui_path);
|
|
}
|
|
|
|
return NULL;
|
|
}
|
|
|
|
|
|
/* private functions */
|
|
|
|
static PikaToolManager *
|
|
tool_manager_get (Pika *pika)
|
|
{
|
|
return g_object_get_qdata (G_OBJECT (pika), tool_manager_quark);
|
|
}
|
|
|
|
static void
|
|
tool_manager_select_tool (PikaToolManager *tool_manager,
|
|
PikaTool *tool)
|
|
{
|
|
Pika *pika = tool_manager->pika;
|
|
|
|
/* 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)
|
|
{
|
|
PikaTool *active_tool = tool_manager->active_tool;
|
|
PikaDisplay *display;
|
|
|
|
/* NULL image returns any display (if there is any) */
|
|
display = pika_tool_has_image (active_tool, NULL);
|
|
|
|
tool_manager_control_active (pika, PIKA_TOOL_ACTION_HALT, display);
|
|
tool_manager_focus_display_active (pika, NULL);
|
|
}
|
|
}
|
|
|
|
g_set_object (&tool_manager->active_tool, tool);
|
|
}
|
|
|
|
static void
|
|
tool_manager_set_active_tool_group (PikaToolManager *tool_manager,
|
|
PikaToolGroup *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 (PikaContext *user_context,
|
|
PikaToolInfo *tool_info,
|
|
PikaToolManager *tool_manager)
|
|
{
|
|
PikaTool *new_tool = NULL;
|
|
|
|
if (! tool_info)
|
|
return;
|
|
|
|
if (! g_type_is_a (tool_info->tool_type, PIKA_TYPE_TOOL))
|
|
{
|
|
g_warning ("%s: tool_info->tool_type is no PikaTool subclass",
|
|
G_STRFUNC);
|
|
return;
|
|
}
|
|
|
|
/* FIXME: pika_busy HACK */
|
|
if (user_context->pika->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 */
|
|
pika_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 (PIKA_IS_TRANSFORM_GRID_TOOL (new_tool) ||
|
|
PIKA_IS_GEGL_TOOL (new_tool))
|
|
{
|
|
PikaDisplay *new_display;
|
|
|
|
new_display = pika_context_get_display (user_context);
|
|
if (new_display && pika_display_get_image (new_display))
|
|
tool_manager_initialize_active (user_context->pika, new_display);
|
|
}
|
|
|
|
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 = pika_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, PIKA_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 (PikaContext *user_context,
|
|
PikaToolPreset *preset,
|
|
PikaToolManager *tool_manager)
|
|
{
|
|
PikaToolInfo *preset_tool;
|
|
|
|
if (! preset || user_context->pika->busy)
|
|
return;
|
|
|
|
preset_tool = pika_context_get_tool (PIKA_CONTEXT (preset->tool_options));
|
|
|
|
/* first, select the preset's tool, even if it's already the active
|
|
* tool
|
|
*/
|
|
pika_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 pikatooloptions.c
|
|
*/
|
|
pika_context_copy_properties (PIKA_CONTEXT (preset->tool_options),
|
|
user_context,
|
|
pika_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 (PikaImage *image,
|
|
PikaDirtyMask dirty_mask,
|
|
PikaToolManager *tool_manager)
|
|
{
|
|
PikaTool *tool = tool_manager->active_tool;
|
|
|
|
if (tool &&
|
|
! pika_tool_control_get_preserve (tool->control) &&
|
|
(pika_tool_control_get_dirty_mask (tool->control) & dirty_mask))
|
|
{
|
|
PikaDisplay *display = pika_tool_has_image (tool, image);
|
|
|
|
if (display)
|
|
{
|
|
tool_manager_control_active (
|
|
image->pika,
|
|
pika_tool_control_get_dirty_action (tool->control),
|
|
display);
|
|
}
|
|
}
|
|
}
|
|
|
|
static void
|
|
tool_manager_image_saving (PikaImage *image,
|
|
PikaToolManager *tool_manager)
|
|
{
|
|
PikaTool *tool = tool_manager->active_tool;
|
|
|
|
if (tool &&
|
|
! pika_tool_control_get_preserve (tool->control))
|
|
{
|
|
PikaDisplay *display = pika_tool_has_image (tool, image);
|
|
|
|
if (display)
|
|
tool_manager_control_active (image->pika, PIKA_TOOL_ACTION_COMMIT,
|
|
display);
|
|
}
|
|
}
|
|
|
|
static void
|
|
tool_manager_tool_ancestry_changed (PikaToolInfo *tool_info,
|
|
PikaToolManager *tool_manager)
|
|
{
|
|
PikaViewable *parent;
|
|
|
|
parent = pika_viewable_get_parent (PIKA_VIEWABLE (tool_info));
|
|
|
|
if (parent)
|
|
{
|
|
pika_tool_group_set_active_tool_info (PIKA_TOOL_GROUP (parent),
|
|
tool_info);
|
|
}
|
|
|
|
tool_manager_set_active_tool_group (tool_manager, PIKA_TOOL_GROUP (parent));
|
|
}
|
|
|
|
static void
|
|
tool_manager_group_active_tool_changed (PikaToolGroup *tool_group,
|
|
PikaToolManager *tool_manager)
|
|
{
|
|
pika_context_set_tool (tool_manager->pika->user_context,
|
|
pika_tool_group_get_active_tool_info (tool_group));
|
|
}
|
|
|
|
static void
|
|
tool_manager_image_changed (PikaContext *context,
|
|
PikaImage *image,
|
|
PikaToolManager *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 &&
|
|
(PIKA_IS_TRANSFORM_GRID_TOOL (tool_manager->active_tool) ||
|
|
PIKA_IS_GEGL_TOOL (tool_manager->active_tool)))
|
|
{
|
|
pika_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 (PikaImage *image,
|
|
PikaToolManager *tool_manager)
|
|
{
|
|
/* Re-activate transform tools when changing selected layers */
|
|
if (image &&
|
|
(PIKA_IS_TRANSFORM_GRID_TOOL (tool_manager->active_tool) ||
|
|
PIKA_IS_GEGL_TOOL (tool_manager->active_tool)))
|
|
{
|
|
pika_context_set_tool (tool_manager->pika->user_context,
|
|
tool_manager->active_tool->tool_info);
|
|
|
|
tool_manager_tool_changed (tool_manager->pika->user_context,
|
|
pika_context_get_tool (
|
|
tool_manager->pika->user_context),
|
|
tool_manager);
|
|
}
|
|
}
|
|
|
|
static void
|
|
tool_manager_active_tool_deactivated (PikaContext *context,
|
|
PikaToolManager *tool_manager)
|
|
{
|
|
PikaDisplay *display;
|
|
|
|
display = pika_tool_has_image (tool_manager->active_tool, NULL);
|
|
|
|
/* NULL image returns any display (if there is any) */
|
|
if (display)
|
|
tool_manager_control_active (context->pika, PIKA_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 (PikaToolInfo *tool_info)
|
|
{
|
|
typedef struct
|
|
{
|
|
const gchar *sequence;
|
|
GCallback func;
|
|
} Spell;
|
|
|
|
static const Spell spells[] =
|
|
{
|
|
{ .sequence = "pika-warp-tool\0"
|
|
"pika-iscissors-tool\0"
|
|
"pika-gradient-tool\0"
|
|
"pika-vector-tool\0"
|
|
"pika-ellipse-select-tool\0"
|
|
"pika-rect-select-tool\0",
|
|
.func = pika_cairo_mascot_toggle_pointer_eyes
|
|
}
|
|
};
|
|
|
|
static const gchar *spell_progress[G_N_ELEMENTS (spells)];
|
|
const gchar *tool_name;
|
|
gint i;
|
|
|
|
tool_name = pika_object_get_name (PIKA_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;
|
|
}
|
|
}
|
|
}
|
|
}
|
