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// SPDX-License-Identifier: GPL-2.0-or-later
/** \file
* Gtk <themes> helper code.
*/
/*
* Authors:
* Jabiertxof
* Martin Owens
*
* Copyright (C) 2017-2021 Authors
*
* Released under GNU GPL v2+, read the file 'COPYING' for more information.
*/
#ifndef UI_THEMES_H_SEEN
#define UI_THEMES_H_SEEN
#include <cstring>
#include <glibmm.h>
#include <gtkmm.h>
#include <map>
#include <utility>
#include <vector>
#include <sigc++/signal.h>
#include "preferences.h"
namespace Inkscape {
namespace UI {
/**
* A simple mediator class that sets the state of a Gtk::ToggleToolButton when
* a preference is changed. Unlike the PrefPusher class, this does not provide
* the reverse process, so you still need to write your own handler for the
* "toggled" signal on the ToggleToolButton.
*/
typedef std::map<Glib::ustring, bool> gtkThemeList;
class ThemeContext
{
public:
ThemeContext();
~ThemeContext() = default;
// Name of theme -> has dark theme
typedef std::map<Glib::ustring, bool> gtkThemeList;
void inkscape_fill_gtk(const gchar *path, gtkThemeList &themes);
std::map<Glib::ustring, bool> get_available_themes();
void add_gtk_css(bool only_providers, bool cached = false);
void add_icon_theme();
Glib::ustring get_symbolic_colors();
Glib::RefPtr<Gtk::CssProvider> getColorizeProvider() { return _colorizeprovider;}
Glib::RefPtr<Gtk::CssProvider> getContrastThemeProvider() { return _contrastthemeprovider;}
Glib::RefPtr<Gtk::CssProvider> getThemeProvider() { return _themeprovider;}
Glib::RefPtr<Gtk::CssProvider> getStyleProvider() { return _styleprovider;}
sigc::signal<void> getChangeThemeSignal() { return _signal_change_theme;}
// set application-wide font size adjustment by a factor, where 1 is 100% (no change)
void adjust_global_font_scale(double factor);
// True if current theme (applied one) is dark
bool isCurrentThemeDark(Gtk::Container *window);
static std::vector<guint32> getHighlightColors(Gtk::Window *window);
private:
// user change theme
sigc::signal<void> _signal_change_theme;
Glib::RefPtr<Gtk::CssProvider> _styleprovider;
Glib::RefPtr<Gtk::CssProvider> _themeprovider;
Glib::RefPtr<Gtk::CssProvider> _contrastthemeprovider;
Glib::RefPtr<Gtk::CssProvider> _colorizeprovider;
Glib::RefPtr<Gtk::CssProvider> _spinbuttonprovider;
#if __APPLE__
Glib::RefPtr<Gtk::CssProvider> _macstyleprovider;
#endif
std::unique_ptr<Preferences::Observer> _spinbutton_observer;
Glib::RefPtr<Gtk::CssProvider> _fontsizeprovider = Gtk::CssProvider::create();
};
}
}
#endif /* !UI_THEMES_H_SEEN */
/*
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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