PIKApp/app/widgets/pikatooloptionseditor.c

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2023-09-26 00:35:21 +02:00
/* PIKA - Photo and Image Kooker Application
* a rebranding of The GNU Image Manipulation Program (created with heckimp)
* A derived work which may be trivial. However, any changes may be (C)2023 by Aldercone Studio
*
* Original copyright, applying to most contents (license remains unchanged):
* Copyright (C) 1995 Spencer Kimball and Peter Mattis
*
* pikatooloptionseditor.c
* Copyright (C) 2003 Michael Natterer <mitch@gimp.org>
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <https://www.gnu.org/licenses/>.
*/
#include "config.h"
#include <gegl.h>
#include <gtk/gtk.h>
#include "libpikabase/pikabase.h"
#include "libpikawidgets/pikawidgets.h"
#include "widgets-types.h"
#include "core/pika.h"
#include "core/pikacontext.h"
#include "core/pikalist.h"
#include "core/pikatoolinfo.h"
#include "core/pikatooloptions.h"
#include "pikadnd.h"
#include "pikadocked.h"
#include "pikahelp-ids.h"
#include "pikamenufactory.h"
#include "pikapropwidgets.h"
#include "pikaview.h"
#include "pikaviewrenderer.h"
#include "pikatooloptionseditor.h"
#include "pikauimanager.h"
#include "pikawidgets-utils.h"
#include "pika-intl.h"
enum
{
PROP_0,
PROP_PIKA,
};
struct _PikaToolOptionsEditorPrivate
{
Pika *pika;
GtkWidget *scrolled_window;
GtkWidget *options_vbox;
GtkWidget *title_label;
GtkWidget *save_button;
GtkWidget *restore_button;
GtkWidget *delete_button;
GtkWidget *reset_button;
PikaToolOptions *visible_tool_options;
};
static void pika_tool_options_editor_docked_iface_init (PikaDockedInterface *iface);
static void pika_tool_options_editor_constructed (GObject *object);
static void pika_tool_options_editor_dispose (GObject *object);
static void pika_tool_options_editor_set_property (GObject *object,
guint property_id,
const GValue *value,
GParamSpec *pspec);
static void pika_tool_options_editor_get_property (GObject *object,
guint property_id,
GValue *value,
GParamSpec *pspec);
static GtkWidget * pika_tool_options_editor_get_preview (PikaDocked *docked,
PikaContext *context,
GtkIconSize size);
static gchar * pika_tool_options_editor_get_title (PikaDocked *docked);
static gboolean pika_tool_options_editor_get_prefer_icon (PikaDocked *docked);
static void pika_tool_options_editor_save_clicked (GtkWidget *widget,
PikaToolOptionsEditor *editor);
static void pika_tool_options_editor_restore_clicked (GtkWidget *widget,
PikaToolOptionsEditor *editor);
static void pika_tool_options_editor_delete_clicked (GtkWidget *widget,
PikaToolOptionsEditor *editor);
static void pika_tool_options_editor_drop_tool (GtkWidget *widget,
gint x,
gint y,
PikaViewable *viewable,
gpointer data);
static void pika_tool_options_editor_tool_changed (PikaContext *context,
PikaToolInfo *tool_info,
PikaToolOptionsEditor *editor);
static void pika_tool_options_editor_presets_update (PikaToolOptionsEditor *editor);
G_DEFINE_TYPE_WITH_CODE (PikaToolOptionsEditor, pika_tool_options_editor,
PIKA_TYPE_EDITOR,
G_ADD_PRIVATE (PikaToolOptionsEditor)
G_IMPLEMENT_INTERFACE (PIKA_TYPE_DOCKED,
pika_tool_options_editor_docked_iface_init))
#define parent_class pika_tool_options_editor_parent_class
static void
pika_tool_options_editor_class_init (PikaToolOptionsEditorClass *klass)
{
GObjectClass *object_class = G_OBJECT_CLASS (klass);
object_class->constructed = pika_tool_options_editor_constructed;
object_class->dispose = pika_tool_options_editor_dispose;
object_class->set_property = pika_tool_options_editor_set_property;
object_class->get_property = pika_tool_options_editor_get_property;
g_object_class_install_property (object_class, PROP_PIKA,
g_param_spec_object ("pika",
NULL, NULL,
PIKA_TYPE_PIKA,
PIKA_PARAM_READWRITE |
G_PARAM_CONSTRUCT_ONLY));
}
static void
pika_tool_options_editor_docked_iface_init (PikaDockedInterface *docked_iface)
{
docked_iface->get_preview = pika_tool_options_editor_get_preview;
docked_iface->get_title = pika_tool_options_editor_get_title;
docked_iface->get_prefer_icon = pika_tool_options_editor_get_prefer_icon;
}
static void
pika_tool_options_editor_init (PikaToolOptionsEditor *editor)
{
GtkScrolledWindow *scrolled_window;
editor->p = pika_tool_options_editor_get_instance_private (editor);
gtk_widget_set_size_request (GTK_WIDGET (editor), -1, 200);
pika_dnd_viewable_dest_add (GTK_WIDGET (editor),
PIKA_TYPE_TOOL_INFO,
pika_tool_options_editor_drop_tool,
editor);
/* The label containing the tool options title */
editor->p->title_label = gtk_label_new (NULL);
gtk_label_set_xalign (GTK_LABEL (editor->p->title_label), 0.0);
pika_label_set_attributes (GTK_LABEL (editor->p->title_label),
PANGO_ATTR_WEIGHT, PANGO_WEIGHT_BOLD,
-1);
gtk_box_pack_start (GTK_BOX (editor), editor->p->title_label,
FALSE, FALSE, 0);
gtk_widget_show (editor->p->title_label);
editor->p->scrolled_window = gtk_scrolled_window_new (NULL, NULL);
scrolled_window = GTK_SCROLLED_WINDOW (editor->p->scrolled_window);
gtk_scrolled_window_set_policy (scrolled_window,
GTK_POLICY_AUTOMATIC,
GTK_POLICY_AUTOMATIC);
gtk_scrolled_window_set_overlay_scrolling (scrolled_window, FALSE);
gtk_box_pack_start (GTK_BOX (editor), editor->p->scrolled_window,
TRUE, TRUE, 0);
gtk_widget_show (editor->p->scrolled_window);
/* The vbox containing the tool options */
editor->p->options_vbox = gtk_box_new (GTK_ORIENTATION_VERTICAL, 0);
gtk_container_add (GTK_CONTAINER (scrolled_window), editor->p->options_vbox);
gtk_widget_show (editor->p->options_vbox);
}
static void
pika_tool_options_editor_constructed (GObject *object)
{
PikaToolOptionsEditor *editor = PIKA_TOOL_OPTIONS_EDITOR (object);
PikaContext *user_context;
G_OBJECT_CLASS (parent_class)->constructed (object);
editor->p->save_button =
pika_editor_add_button (PIKA_EDITOR (editor),
PIKA_ICON_DOCUMENT_SAVE,
_("Save Tool Preset..."),
PIKA_HELP_TOOL_OPTIONS_SAVE,
G_CALLBACK (pika_tool_options_editor_save_clicked),
NULL,
G_OBJECT (editor));
editor->p->restore_button =
pika_editor_add_button (PIKA_EDITOR (editor),
PIKA_ICON_DOCUMENT_REVERT,
_("Restore Tool Preset..."),
PIKA_HELP_TOOL_OPTIONS_RESTORE,
G_CALLBACK (pika_tool_options_editor_restore_clicked),
NULL,
G_OBJECT (editor));
editor->p->delete_button =
pika_editor_add_button (PIKA_EDITOR (editor),
PIKA_ICON_EDIT_DELETE,
_("Delete Tool Preset..."),
PIKA_HELP_TOOL_OPTIONS_DELETE,
G_CALLBACK (pika_tool_options_editor_delete_clicked),
NULL,
G_OBJECT (editor));
editor->p->reset_button =
pika_editor_add_action_button (PIKA_EDITOR (editor), "tool-options",
"tool-options-reset",
"tool-options-reset-all",
GDK_SHIFT_MASK,
NULL);
user_context = pika_get_user_context (editor->p->pika);
g_signal_connect_object (user_context, "tool-changed",
G_CALLBACK (pika_tool_options_editor_tool_changed),
editor,
0);
pika_tool_options_editor_tool_changed (user_context,
pika_context_get_tool (user_context),
editor);
}
static void
pika_tool_options_editor_dispose (GObject *object)
{
PikaToolOptionsEditor *editor = PIKA_TOOL_OPTIONS_EDITOR (object);
if (editor->p->options_vbox)
{
GList *options;
GList *list;
options =
gtk_container_get_children (GTK_CONTAINER (editor->p->options_vbox));
for (list = options; list; list = g_list_next (list))
{
gtk_container_remove (GTK_CONTAINER (editor->p->options_vbox),
GTK_WIDGET (list->data));
}
g_list_free (options);
editor->p->options_vbox = NULL;
}
G_OBJECT_CLASS (parent_class)->dispose (object);
}
static void
pika_tool_options_editor_set_property (GObject *object,
guint property_id,
const GValue *value,
GParamSpec *pspec)
{
PikaToolOptionsEditor *editor = PIKA_TOOL_OPTIONS_EDITOR (object);
switch (property_id)
{
case PROP_PIKA:
editor->p->pika = g_value_get_object (value);
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);
break;
}
}
static void
pika_tool_options_editor_get_property (GObject *object,
guint property_id,
GValue *value,
GParamSpec *pspec)
{
PikaToolOptionsEditor *editor = PIKA_TOOL_OPTIONS_EDITOR (object);
switch (property_id)
{
case PROP_PIKA:
g_value_set_object (value, editor->p->pika);
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);
break;
}
}
static GtkWidget *
pika_tool_options_editor_get_preview (PikaDocked *docked,
PikaContext *context,
GtkIconSize size)
{
GtkWidget *view;
gint width;
gint height;
gtk_icon_size_lookup (size, &width, &height);
view = pika_prop_view_new (G_OBJECT (context), "tool", context, height);
PIKA_VIEW (view)->renderer->size = -1;
pika_view_renderer_set_size_full (PIKA_VIEW (view)->renderer,
width, height, 0);
return view;
}
static gchar *
pika_tool_options_editor_get_title (PikaDocked *docked)
{
PikaToolOptionsEditor *editor = PIKA_TOOL_OPTIONS_EDITOR (docked);
PikaContext *context;
PikaToolInfo *tool_info;
context = pika_get_user_context (editor->p->pika);
tool_info = pika_context_get_tool (context);
return tool_info ? g_strdup (tool_info->label) : NULL;
}
static gboolean
pika_tool_options_editor_get_prefer_icon (PikaDocked *docked)
{
/* We support get_preview() for tab tyles, but we prefer to show our
* icon
*/
return TRUE;
}
/* public functions */
GtkWidget *
pika_tool_options_editor_new (Pika *pika,
PikaMenuFactory *menu_factory)
{
g_return_val_if_fail (PIKA_IS_PIKA (pika), NULL);
g_return_val_if_fail (PIKA_IS_MENU_FACTORY (menu_factory), NULL);
return g_object_new (PIKA_TYPE_TOOL_OPTIONS_EDITOR,
"pika", pika,
"menu-factory", menu_factory,
"menu-identifier", "<ToolOptions>",
"ui-path", "/tool-options-popup",
NULL);
}
PikaToolOptions *
pika_tool_options_editor_get_tool_options (PikaToolOptionsEditor *editor)
{
g_return_val_if_fail (PIKA_IS_TOOL_OPTIONS_EDITOR (editor), NULL);
return editor->p->visible_tool_options;
}
/* private functions */
static void
pika_tool_options_editor_menu_popup (PikaToolOptionsEditor *editor,
GtkWidget *button,
const gchar *path)
{
PikaEditor *pika_editor = PIKA_EDITOR (editor);
pika_ui_manager_update (pika_editor_get_ui_manager (pika_editor),
pika_editor_get_popup_data (pika_editor));
pika_ui_manager_ui_popup_at_widget (pika_editor_get_ui_manager (pika_editor),
path, NULL, NULL,
button,
GDK_GRAVITY_WEST,
GDK_GRAVITY_NORTH_EAST,
NULL,
NULL, NULL);
}
static void
pika_tool_options_editor_save_clicked (GtkWidget *widget,
PikaToolOptionsEditor *editor)
{
if (gtk_widget_get_sensitive (editor->p->restore_button) /* evil but correct */)
{
pika_tool_options_editor_menu_popup (editor, widget,
"/tool-options-popup/Tool Options Menu/Save Tool Preset");
}
else
{
pika_ui_manager_activate_action (pika_editor_get_ui_manager (PIKA_EDITOR (editor)),
"tool-options",
"tool-options-save-new-preset");
}
}
static void
pika_tool_options_editor_restore_clicked (GtkWidget *widget,
PikaToolOptionsEditor *editor)
{
pika_tool_options_editor_menu_popup (editor, widget,
"/tool-options-popup/Tool Options Menu/Restore Tool Preset");
}
static void
pika_tool_options_editor_delete_clicked (GtkWidget *widget,
PikaToolOptionsEditor *editor)
{
pika_tool_options_editor_menu_popup (editor, widget,
"/tool-options-popup/Tool Options Menu/Delete Tool Preset");
}
static void
pika_tool_options_editor_drop_tool (GtkWidget *widget,
gint x,
gint y,
PikaViewable *viewable,
gpointer data)
{
PikaToolOptionsEditor *editor = PIKA_TOOL_OPTIONS_EDITOR (data);
PikaContext *context;
context = pika_get_user_context (editor->p->pika);
pika_context_set_tool (context, PIKA_TOOL_INFO (viewable));
}
static void
pika_tool_options_editor_tool_changed (PikaContext *context,
PikaToolInfo *tool_info,
PikaToolOptionsEditor *editor)
{
PikaContainer *presets;
GtkWidget *options_gui;
if (tool_info && tool_info->tool_options == editor->p->visible_tool_options)
return;
if (editor->p->visible_tool_options)
{
presets = editor->p->visible_tool_options->tool_info->presets;
if (presets)
g_signal_handlers_disconnect_by_func (presets,
pika_tool_options_editor_presets_update,
editor);
options_gui = pika_tools_get_tool_options_gui (editor->p->visible_tool_options);
if (options_gui)
gtk_widget_hide (options_gui);
editor->p->visible_tool_options = NULL;
}
if (tool_info && tool_info->tool_options)
{
presets = tool_info->presets;
if (presets)
{
g_signal_connect_object (presets, "add",
G_CALLBACK (pika_tool_options_editor_presets_update),
G_OBJECT (editor), G_CONNECT_SWAPPED);
g_signal_connect_object (presets, "remove",
G_CALLBACK (pika_tool_options_editor_presets_update),
G_OBJECT (editor), G_CONNECT_SWAPPED);
g_signal_connect_object (presets, "thaw",
G_CALLBACK (pika_tool_options_editor_presets_update),
G_OBJECT (editor), G_CONNECT_SWAPPED);
}
options_gui = pika_tools_get_tool_options_gui (tool_info->tool_options);
if (! gtk_widget_get_parent (options_gui))
gtk_box_pack_start (GTK_BOX (editor->p->options_vbox), options_gui,
FALSE, FALSE, 0);
gtk_widget_show (options_gui);
editor->p->visible_tool_options = tool_info->tool_options;
pika_help_set_help_data (editor->p->scrolled_window, NULL,
tool_info->help_id);
pika_tool_options_editor_presets_update (editor);
}
if (editor->p->title_label != NULL)
{
gchar *title;
title = pika_docked_get_title (PIKA_DOCKED (editor));
gtk_label_set_text (GTK_LABEL (editor->p->title_label), title);
g_free (title);
}
pika_docked_title_changed (PIKA_DOCKED (editor));
}
static void
pika_tool_options_editor_presets_update (PikaToolOptionsEditor *editor)
{
PikaToolInfo *tool_info = editor->p->visible_tool_options->tool_info;
gboolean save_sensitive = FALSE;
gboolean restore_sensitive = FALSE;
gboolean delete_sensitive = FALSE;
gboolean reset_sensitive = FALSE;
if (tool_info->presets)
{
save_sensitive = TRUE;
reset_sensitive = TRUE;
if (! pika_container_is_empty (tool_info->presets))
{
restore_sensitive = TRUE;
delete_sensitive = TRUE;
}
}
gtk_widget_set_sensitive (editor->p->save_button, save_sensitive);
gtk_widget_set_sensitive (editor->p->restore_button, restore_sensitive);
gtk_widget_set_sensitive (editor->p->delete_button, delete_sensitive);
gtk_widget_set_sensitive (editor->p->reset_button, reset_sensitive);
}