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// SPDX-License-Identifier: GPL-2.0-or-later
/*
* Utility functions for UI
*
* Authors:
* Tavmjong Bah
* John Smith
*
* Copyright (C) 2004, 2013, 2018 Authors
* Released under GNU GPL v2+, read the file 'COPYING' for more information.
*/
#include "util.h"
#include <gtkmm.h>
/*
* Ellipse text if longer than maxlen, "50% start text + ... + ~50% end text"
* Text should be > length 8 or just return the original text
*/
Glib::ustring ink_ellipsize_text(Glib::ustring const &src, size_t maxlen)
{
if (src.length() > maxlen && maxlen > 8) {
size_t p1 = (size_t) maxlen / 2;
size_t p2 = (size_t) src.length() - (maxlen - p1 - 1);
return src.substr(0, p1) + "…" + src.substr(p2);
}
return src;
}
/**
* Show widget, if the widget has a Gtk::Reveal parent, reveal instead.
*
* @param widget - The child widget to show.
*/
void reveal_widget(Gtk::Widget *widget, bool show)
{
auto revealer = dynamic_cast<Gtk::Revealer *>(widget->get_parent());
if (revealer) {
revealer->set_reveal_child(show);
}
if (show) {
widget->show();
} else if (!revealer) {
widget->hide();
}
}
bool is_widget_effectively_visible(Gtk::Widget* widget) {
if (!widget) return false;
// TODO: what's the right way to determine if widget is visible on the screen?
return widget->get_child_visible();
}
namespace Inkscape {
namespace UI {
void resize_widget_children(Gtk::Widget *widget) {
if(widget) {
Gtk::Allocation allocation;
int baseline;
widget->get_allocated_size(allocation, baseline);
widget->size_allocate(allocation, baseline);
}
}
}
}
Gdk::RGBA get_background_color(const Glib::RefPtr<Gtk::StyleContext> &context,
Gtk::StateFlags state) {
GdkRGBA *c;
gtk_style_context_get(context->gobj(),
static_cast<GtkStateFlags>(state),
GTK_STYLE_PROPERTY_BACKGROUND_COLOR, &c,
nullptr);
auto bg_color = Glib::wrap(c);
return bg_color;
}
/*
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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