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livetrax/libs/gtkmm2ext/utils.cc

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/*
Copyright (C) 1999 Paul Barton-Davis
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 2 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, write to the Free Software
Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
$Id$
*/
#include <map>
#include <gtk/gtkpaned.h>
#include <gtk/gtk.h>
#include <gtkmm2ext/utils.h>
#include <gtkmm/widget.h>
#include <gtkmm/button.h>
#include <gtkmm/window.h>
#include <gtkmm/paned.h>
#include <gtkmm/comboboxtext.h>
#include "i18n.h"
using namespace std;
void
Gtkmm2ext::get_ink_pixel_size (Glib::RefPtr<Pango::Layout> layout,
int& width,
int& height)
{
Pango::Rectangle ink_rect = layout->get_ink_extents ();
width = (ink_rect.get_width() + PANGO_SCALE / 2) / PANGO_SCALE;
height = (ink_rect.get_height() + PANGO_SCALE / 2) / PANGO_SCALE;
}
void
get_pixel_size (Glib::RefPtr<Pango::Layout> layout,
int& width,
int& height)
{
layout->get_pixel_size (width, height);
}
void
Gtkmm2ext::set_size_request_to_display_given_text (Gtk::Widget &w, const gchar *text,
gint hpadding, gint vpadding)
{
int width, height;
w.ensure_style ();
get_pixel_size (w.create_pango_layout (text), width, height);
w.set_size_request(width + hpadding, height + vpadding);
}
void
Gtkmm2ext::set_size_request_to_display_given_text (Gtk::Widget &w,
const std::vector<std::string>& strings,
gint hpadding, gint vpadding)
{
int width, height;
int width_max = 0;
int height_max = 0;
w.ensure_style ();
for (vector<string>::const_iterator i = strings.begin(); i != strings.end(); ++i) {
get_pixel_size (w.create_pango_layout (*i), width, height);
width_max = max(width_max,width);
height_max = max(height_max, height);
}
w.set_size_request(width_max + hpadding, height_max + vpadding);
}
void
Gtkmm2ext::init ()
{
// Necessary for gettext
(void) bindtextdomain(PACKAGE, LOCALEDIR);
}
void
Gtkmm2ext::set_popdown_strings (Gtk::ComboBoxText& cr, const vector<string>& strings, bool set_size, gint hpadding, gint vpadding)
{
vector<string>::const_iterator i;
cr.clear ();
if (set_size) {
vector<string> copy;
for (i = strings.begin(); i != strings.end(); ++i) {
if ((*i).find_first_of ("gy") != string::npos) {
/* contains a descender */
break;
}
}
if (i == strings.end()) {
/* make a copy of the strings then add one that has a descener */
copy = strings;
copy.push_back ("g");
set_size_request_to_display_given_text (cr, copy, COMBO_FUDGE+10+hpadding, 15+vpadding);
} else {
set_size_request_to_display_given_text (cr, strings, COMBO_FUDGE+10+hpadding, 15+vpadding);
}
}
for (i = strings.begin(); i != strings.end(); ++i) {
cr.append_text (*i);
}
}
GdkWindow*
Gtkmm2ext::get_paned_handle (Gtk::Paned& paned)
{
return GTK_PANED(paned.gobj())->handle;
}
void
Gtkmm2ext::set_decoration (Gtk::Window* win, Gdk::WMDecoration decor)
{
win->get_window()->set_decorations (decor);
}
void Gtkmm2ext::set_treeview_header_as_default_label(Gtk::TreeViewColumn* c)
{
gtk_tree_view_column_set_widget( c->gobj(), GTK_WIDGET(0) );
}
void
Gtkmm2ext::detach_menu (Gtk::Menu& menu)
{
/* its possible for a Gtk::Menu to have no gobj() because it has
not yet been instantiated. Catch this and provide a safe
detach method.
*/
if (menu.gobj()) {
if (menu.get_attach_widget()) {
menu.detach ();
}
}
}