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// SPDX-License-Identifier: GPL-2.0-or-later
/**
* @file
* Shift Gtk::MenuItems with icons to align with Toggle and Radio buttons.
*/
/*
* Authors:
* Tavmjong Bah <tavmjong@free.fr>
* Patrick Storz <eduard.braun2@gmx.de>
*
* Copyright (C) 2020 Authors
*
* The contents of this file may be used under the GNU General Public License Version 2 or later.
* Read the file 'COPYING' for more information.
*
*/
#include "menu-icon-shift.h"
#include <iostream>
#include <gtkmm.h>
#include "inkscape-application.h" // Action extra data
// Could be used to update status bar.
// bool on_enter_notify(GdkEventCrossing* crossing_event, Gtk::MenuItem* menuitem)
// {
// return false;
// }
/*
* Install CSS to shift icons into the space reserved for toggles (i.e. check and radio items).
* The CSS will apply to all menu icons but is updated as each menu is shown.
*/
bool
shift_icons(Gtk::MenuShell* menu)
{
gint width, height;
gtk_icon_size_lookup(GTK_ICON_SIZE_MENU, &width, &height);
bool shifted = false;
// Calculate required shift. We need an example!
// Search for Gtk::MenuItem -> Gtk::Box -> Gtk::Image
static auto app = InkscapeApplication::instance();
auto &label_to_tooltip_map = app->get_menu_label_to_tooltip_map();
for (auto child : menu->get_children()) {
auto menuitem = dynamic_cast<Gtk::MenuItem *>(child);
if (menuitem) { //we need to go here to know we are in RTL maybe we can check in otehr way and simplify
auto submenu = menuitem->get_submenu();
if (submenu) {
shifted = shift_icons(submenu);
}
Gtk::Box *box = nullptr;
auto label = menuitem->get_label();
if (label.empty()) {
box = dynamic_cast<Gtk::Box *>(menuitem->get_child());
if (!box) {
continue;
}
std::vector<Gtk::Widget *> children = box->get_children();
if (children.size() == 2) {
auto label_widget = dynamic_cast<Gtk::Label *>(children[1]);
if (!label_widget) {
label_widget = dynamic_cast<Gtk::Label *>(children[0]);
}
if (label_widget) {
label = label_widget->get_label();
}
}
}
if (label.empty()) {
continue;
}
auto it = label_to_tooltip_map.find(label);
if (it != label_to_tooltip_map.end()) {
menuitem->set_tooltip_text(it->second);
}
if (shifted || !box) {
continue;
}
width += box->get_spacing() * 1.5; //2 elements 3 halfs to measure
std::string css_str;
Glib::RefPtr<Gtk::CssProvider> provider = Gtk::CssProvider::create();
auto const screen = Gdk::Screen::get_default();
Gtk::StyleContext::add_provider_for_screen(screen, provider, GTK_STYLE_PROVIDER_PRIORITY_APPLICATION);
if (menuitem->get_direction() == Gtk::TEXT_DIR_RTL) {
css_str = ".shifticonmenu box {margin-right:-" + std::to_string(width) + "px;}";
} else {
css_str = ".shifticonmenu box {margin-left:-" + std::to_string(width) + "px;}";
}
provider->load_from_data(css_str);
shifted = true;
}
}
return shifted;
}
/*
Local Variables:
mode:c++
c-file-style:"stroustrup"
c-file-offsets:((innamespace . 0)(inline-open . 0)(case-label . +))
indent-tabs-mode:nil
fill-column:99
End:
*/
// vim: filetype=cpp:expandtab:shiftwidth=4:tabstop=8:softtabstop=4:fileencoding=utf-8:textwidth=99 :
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