rawTherapee/rtgui/ilabel.cc

65 lines
2.0 KiB
C++

/*
* This file is part of RawTherapee.
*
* Copyright (c) 2004-2010 Gabor Horvath <hgabor@rawtherapee.com>
*
* RawTherapee 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.
*
* RawTherapee 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 RawTherapee. If not, see <http://www.gnu.org/licenses/>.
*/
#include "ilabel.h"
ILabel::ILabel (Glib::ustring lab) : label(lab) {}
void ILabel::on_realize()
{
Gtk::DrawingArea::on_realize();
add_events(Gdk::EXPOSURE_MASK);
Glib::RefPtr<Pango::Layout> fn = create_pango_layout(label);
fn->set_markup (label);
int labw, labh;
fn->get_pixel_size (labw, labh);
set_size_request (2 + labw, 2 + labh);
}
bool ILabel::on_expose_event (GdkEventExpose* event)
{
Glib::RefPtr<Gtk::Style> style = get_style ();
Glib::RefPtr<Gdk::Window> window = get_window();
Glib::RefPtr<Gdk::GC> gc_ = style->get_bg_gc(get_state());
Cairo::RefPtr<Cairo::Context> cr = window->create_cairo_context();
Gdk::Color c = style->get_fg (get_state());
cr->set_source_rgb (c.get_red_p(), c.get_green_p(), c.get_blue_p());
cr->rectangle (0, 0, get_width (), get_height());
cr->fill ();
Glib::RefPtr<Pango::Layout> fn = create_pango_layout (label);
fn->set_markup (label);
window->draw_layout(gc_, 1, 1, fn);
return true;
}
void ILabel::on_style_changed (const Glib::RefPtr<Gtk::Style>& style)
{
Glib::RefPtr<Pango::Layout> fn = create_pango_layout(label);
fn->set_markup (label);
int labw, labh;
fn->get_pixel_size (labw, labh);
set_size_request (2 + labw, 2 + labh);
}