mirror of https://github.com/GNOME/gimp.git
450 lines
16 KiB
C
450 lines
16 KiB
C
/* GIMP - The GNU Image Manipulation Program
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* Copyright (C) 1995 Spencer Kimball and Peter Mattis
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*
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* gimp-tool-options-manager.c
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* Copyright (C) 2018 Michael Natterer <mitch@gimp.org>
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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 <gegl.h>
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#include <gtk/gtk.h>
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#include "libgimpconfig/gimpconfig.h"
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#include "tools-types.h"
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#include "config/gimpcoreconfig.h"
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#include "core/gimp.h"
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#include "core/gimptoolinfo.h"
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#include "paint/gimppaintoptions.h"
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#include "gimp-tool-options-manager.h"
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typedef struct _GimpToolOptionsManager GimpToolOptionsManager;
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struct _GimpToolOptionsManager
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{
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Gimp *gimp;
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GimpPaintOptions *global_paint_options;
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GimpContextPropMask global_props;
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GimpToolInfo *active_tool;
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};
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/* local function prototypes */
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static GimpContextPropMask
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tool_options_manager_get_global_props
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(GimpCoreConfig *config);
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static void tool_options_manager_global_notify (GimpCoreConfig *config,
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const GParamSpec *pspec,
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GimpToolOptionsManager *manager);
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static void tool_options_manager_paint_options_notify
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(GimpPaintOptions *src,
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const GParamSpec *pspec,
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GimpPaintOptions *dest);
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static void tool_options_manager_copy_paint_props
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(GimpPaintOptions *src,
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GimpPaintOptions *dest,
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GimpContextPropMask prop_mask);
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static void tool_options_manager_tool_changed (GimpContext *user_context,
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GimpToolInfo *tool_info,
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GimpToolOptionsManager *manager);
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static GQuark manager_quark = 0;
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/* public functions */
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void
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gimp_tool_options_manager_init (Gimp *gimp)
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{
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GimpToolOptionsManager *manager;
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GimpContext *user_context;
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GList *list;
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g_return_if_fail (GIMP_IS_GIMP (gimp));
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g_return_if_fail (manager_quark == 0);
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manager_quark = g_quark_from_static_string ("gimp-tool-options-manager");
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manager = g_slice_new0 (GimpToolOptionsManager);
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g_object_set_qdata (G_OBJECT (gimp), manager_quark, manager);
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manager->gimp = gimp;
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manager->global_paint_options =
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g_object_new (GIMP_TYPE_PAINT_OPTIONS,
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"gimp", gimp,
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"name", "tool-options-manager-global-paint-options",
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NULL);
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manager->global_props = tool_options_manager_get_global_props (gimp->config);
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user_context = gimp_get_user_context (gimp);
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for (list = gimp_get_tool_info_iter (gimp);
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list;
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list = g_list_next (list))
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{
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GimpToolInfo *tool_info = list->data;
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/* the global props that are actually used by the tool are
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* always shared with the user context by undefining them...
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*/
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gimp_context_define_properties (GIMP_CONTEXT (tool_info->tool_options),
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manager->global_props &
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tool_info->context_props,
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FALSE);
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/* ...and setting the user context as parent
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*/
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gimp_context_set_parent (GIMP_CONTEXT (tool_info->tool_options),
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user_context);
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/* make sure paint tools also share their brush, dynamics,
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* gradient properties if the resp. context properties are
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* global
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*/
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if (GIMP_IS_PAINT_OPTIONS (tool_info->tool_options))
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{
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g_signal_connect (tool_info->tool_options, "notify",
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G_CALLBACK (tool_options_manager_paint_options_notify),
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manager->global_paint_options);
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g_signal_connect (manager->global_paint_options, "notify",
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G_CALLBACK (tool_options_manager_paint_options_notify),
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tool_info->tool_options);
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tool_options_manager_copy_paint_props (manager->global_paint_options,
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GIMP_PAINT_OPTIONS (tool_info->tool_options),
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tool_info->context_props &
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manager->global_props);
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}
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}
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g_signal_connect (gimp->config, "notify::global-brush",
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G_CALLBACK (tool_options_manager_global_notify),
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manager);
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g_signal_connect (gimp->config, "notify::global-dynamics",
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G_CALLBACK (tool_options_manager_global_notify),
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manager);
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g_signal_connect (gimp->config, "notify::global-pattern",
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G_CALLBACK (tool_options_manager_global_notify),
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manager);
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g_signal_connect (gimp->config, "notify::global-palette",
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G_CALLBACK (tool_options_manager_global_notify),
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manager);
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g_signal_connect (gimp->config, "notify::global-gradient",
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G_CALLBACK (tool_options_manager_global_notify),
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manager);
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g_signal_connect (gimp->config, "notify::global-font",
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G_CALLBACK (tool_options_manager_global_notify),
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manager);
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g_signal_connect (user_context, "tool-changed",
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G_CALLBACK (tool_options_manager_tool_changed),
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manager);
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tool_options_manager_tool_changed (user_context,
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gimp_context_get_tool (user_context),
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manager);
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}
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void
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gimp_tool_options_manager_exit (Gimp *gimp)
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{
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GimpToolOptionsManager *manager;
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GimpContext *user_context;
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GList *list;
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g_return_if_fail (GIMP_IS_GIMP (gimp));
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manager = g_object_get_qdata (G_OBJECT (gimp), manager_quark);
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g_return_if_fail (manager != NULL);
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user_context = gimp_get_user_context (gimp);
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g_signal_handlers_disconnect_by_func (user_context,
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tool_options_manager_tool_changed,
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manager);
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g_signal_handlers_disconnect_by_func (gimp->config,
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tool_options_manager_global_notify,
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manager);
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for (list = gimp_get_tool_info_iter (gimp);
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list;
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list = g_list_next (list))
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{
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GimpToolInfo *tool_info = list->data;
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gimp_context_set_parent (GIMP_CONTEXT (tool_info->tool_options), NULL);
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if (GIMP_IS_PAINT_OPTIONS (tool_info->tool_options))
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{
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g_signal_handlers_disconnect_by_func (tool_info->tool_options,
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tool_options_manager_paint_options_notify,
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manager->global_paint_options);
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g_signal_handlers_disconnect_by_func (manager->global_paint_options,
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tool_options_manager_paint_options_notify,
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tool_info->tool_options);
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}
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}
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g_clear_object (&manager->global_paint_options);
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g_slice_free (GimpToolOptionsManager, manager);
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g_object_set_qdata (G_OBJECT (gimp), manager_quark, NULL);
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}
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/* private functions */
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static GimpContextPropMask
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tool_options_manager_get_global_props (GimpCoreConfig *config)
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{
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GimpContextPropMask global_props = 0;
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/* FG and BG are always shared between all tools */
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global_props |= GIMP_CONTEXT_PROP_MASK_FOREGROUND;
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global_props |= GIMP_CONTEXT_PROP_MASK_BACKGROUND;
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if (config->global_brush)
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global_props |= GIMP_CONTEXT_PROP_MASK_BRUSH;
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if (config->global_dynamics)
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global_props |= GIMP_CONTEXT_PROP_MASK_DYNAMICS;
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if (config->global_pattern)
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global_props |= GIMP_CONTEXT_PROP_MASK_PATTERN;
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if (config->global_palette)
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global_props |= GIMP_CONTEXT_PROP_MASK_PALETTE;
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if (config->global_gradient)
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global_props |= GIMP_CONTEXT_PROP_MASK_GRADIENT;
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if (config->global_font)
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global_props |= GIMP_CONTEXT_PROP_MASK_FONT;
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return global_props;
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}
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static void
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tool_options_manager_global_notify (GimpCoreConfig *config,
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const GParamSpec *pspec,
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GimpToolOptionsManager *manager)
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{
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GimpContextPropMask global_props;
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GimpContextPropMask enabled_global_props;
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GimpContextPropMask disabled_global_props;
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GList *list;
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global_props = tool_options_manager_get_global_props (config);
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enabled_global_props = global_props & ~manager->global_props;
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disabled_global_props = manager->global_props & ~global_props;
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/* copy the newly enabled global props to all tool options, and
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* disconnect the newly disabled ones from the user context
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*/
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for (list = gimp_get_tool_info_iter (manager->gimp);
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list;
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list = g_list_next (list))
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{
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GimpToolInfo *tool_info = list->data;
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/* don't change the active tool, it is always fully connected
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* to the user_context anyway because we set its
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* defined/undefined context props in tool_changed()
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*/
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if (tool_info == manager->active_tool)
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continue;
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/* defining the newly disabled ones disconnects them from the
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* parent user context
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*/
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gimp_context_define_properties (GIMP_CONTEXT (tool_info->tool_options),
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tool_info->context_props &
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disabled_global_props,
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TRUE);
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/* undefining the newly enabled ones copies the value from the
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* parent user context
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*/
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gimp_context_define_properties (GIMP_CONTEXT (tool_info->tool_options),
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tool_info->context_props &
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enabled_global_props,
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FALSE);
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if (GIMP_IS_PAINT_OPTIONS (tool_info->tool_options))
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tool_options_manager_copy_paint_props (manager->global_paint_options,
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GIMP_PAINT_OPTIONS (tool_info->tool_options),
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tool_info->context_props &
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enabled_global_props);
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}
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manager->global_props = global_props;
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}
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static void
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tool_options_manager_paint_options_notify (GimpPaintOptions *src,
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const GParamSpec *pspec,
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GimpPaintOptions *dest)
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{
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Gimp *gimp = GIMP_CONTEXT (src)->gimp;
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GimpCoreConfig *config = gimp->config;
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GimpToolOptionsManager *manager;
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GimpToolInfo *tool_info;
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GimpContextPropMask prop_mask = 0;
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gboolean active = FALSE;
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manager = g_object_get_qdata (G_OBJECT (gimp), manager_quark);
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/* one of the options is the global one, the other is the tool's,
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* get the tool_info from the tool's options
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*/
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if (manager->global_paint_options == src)
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tool_info = gimp_context_get_tool (GIMP_CONTEXT (dest));
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else
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tool_info = gimp_context_get_tool (GIMP_CONTEXT (src));
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if (tool_info == manager->active_tool)
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active = TRUE;
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if ((active || config->global_brush) &&
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tool_info->context_props & GIMP_CONTEXT_PROP_MASK_BRUSH)
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{
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prop_mask |= GIMP_CONTEXT_PROP_MASK_BRUSH;
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}
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if ((active || config->global_dynamics) &&
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tool_info->context_props & GIMP_CONTEXT_PROP_MASK_DYNAMICS)
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{
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prop_mask |= GIMP_CONTEXT_PROP_MASK_DYNAMICS;
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}
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if ((active || config->global_gradient) &&
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tool_info->context_props & GIMP_CONTEXT_PROP_MASK_GRADIENT)
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{
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prop_mask |= GIMP_CONTEXT_PROP_MASK_GRADIENT;
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}
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if (gimp_paint_options_is_prop (pspec->name, prop_mask))
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{
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GValue value = G_VALUE_INIT;
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g_value_init (&value, pspec->value_type);
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g_object_get_property (G_OBJECT (src), pspec->name, &value);
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g_signal_handlers_block_by_func (dest,
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tool_options_manager_paint_options_notify,
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src);
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g_object_set_property (G_OBJECT (dest), pspec->name, &value);
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g_signal_handlers_unblock_by_func (dest,
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tool_options_manager_paint_options_notify,
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src);
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g_value_unset (&value);
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}
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}
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static void
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tool_options_manager_copy_paint_props (GimpPaintOptions *src,
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GimpPaintOptions *dest,
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GimpContextPropMask prop_mask)
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{
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g_signal_handlers_block_by_func (dest,
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tool_options_manager_paint_options_notify,
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src);
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gimp_paint_options_copy_props (src, dest, prop_mask);
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g_signal_handlers_unblock_by_func (dest,
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tool_options_manager_paint_options_notify,
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src);
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}
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static void
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tool_options_manager_tool_changed (GimpContext *user_context,
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GimpToolInfo *tool_info,
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GimpToolOptionsManager *manager)
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{
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if (tool_info == manager->active_tool)
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return;
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/* FIXME: gimp_busy HACK
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* the tool manager will stop the emission, so simply return
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*/
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if (manager->gimp->busy)
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return;
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if (manager->active_tool)
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{
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GimpToolInfo *active = manager->active_tool;
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/* disconnect the old active tool from all context properties
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* it uses, but are not currently global
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*/
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gimp_context_define_properties (GIMP_CONTEXT (active->tool_options),
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active->context_props &
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~manager->global_props,
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TRUE);
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}
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manager->active_tool = tool_info;
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if (manager->active_tool)
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{
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GimpToolInfo *active = manager->active_tool;
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/* copy the new tool's context properties that are not
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* currently global to the user context, so they get used by
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* everything
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*/
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gimp_context_copy_properties (GIMP_CONTEXT (active->tool_options),
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gimp_get_user_context (manager->gimp),
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active->context_props &
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~manager->global_props);
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if (GIMP_IS_PAINT_OPTIONS (active->tool_options))
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tool_options_manager_copy_paint_props (GIMP_PAINT_OPTIONS (active->tool_options),
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manager->global_paint_options,
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active->context_props &
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~manager->global_props);
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/* then, undefine these properties so the tool syncs with the
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* user context automatically
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*/
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gimp_context_define_properties (GIMP_CONTEXT (active->tool_options),
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active->context_props &
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~manager->global_props,
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FALSE);
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}
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}
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