13
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livetrax/gtk2_ardour/stripable_colorpicker.cc

128 lines
3.6 KiB
C++

/*
* Copyright (C) 2017 Robin Gareus <robin@gareus.org>
*
* 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*/
#include "pbd/compose.h"
#include "pbd/i18n.h"
#include "stripable_colorpicker.h"
#include "ui_config.h"
#include "utils.h"
using namespace Gtk;
using namespace ARDOUR_UI_UTILS;
bool StripableColorDialog::palette_initialized = false;
Gtk::ColorSelection::SlotChangePaletteHook StripableColorDialog::gtk_palette_changed_hook;
StripableColorDialog::StripableColorDialog ()
{
initialize_color_palette ();
signal_response().connect (sigc::mem_fun (*this, &StripableColorDialog::finish_color_edit));
}
StripableColorDialog::~StripableColorDialog ()
{
reset ();
}
void
StripableColorDialog::palette_changed_hook (const Glib::RefPtr<Gdk::Screen>& s, const Gdk::ArrayHandle_Color& c)
{
std::string p = std::string (ColorSelection::palette_to_string (c));
UIConfiguration::instance ().set_stripable_color_palette (p);
gtk_palette_changed_hook (s, c);
}
void
StripableColorDialog::initialize_color_palette ()
{
// non-static member, because it needs a screen()
if (palette_initialized) {
return;
}
gtk_palette_changed_hook =
get_colorsel()->set_change_palette_hook (&StripableColorDialog::palette_changed_hook);
std::string cp = UIConfiguration::instance ().get_stripable_color_palette ();
if (!cp.empty()) {
Gdk::ArrayHandle_Color c = ColorSelection::palette_from_string (cp);
gtk_palette_changed_hook (get_screen (), c);
}
palette_initialized = true;
}
void
StripableColorDialog::reset ()
{
hide ();
if (_stripable && _stripable->active_color_picker() == this) {
_stripable->set_active_color_picker (0);
}
_stripable.reset ();
_color_changed_connection.disconnect ();
}
void
StripableColorDialog::popup (boost::shared_ptr<ARDOUR::Stripable> s)
{
if (s && s->active_color_picker()) {
s->active_color_picker()->present ();
return;
}
if (_stripable == s) {
/* keep modified color */
present ();
return;
}
_stripable = s;
_stripable->set_active_color_picker (this);
_initial_color = _stripable->presentation_info().color ();
set_title (string_compose (_("Color Selection: %1"), s->name()));
get_colorsel()->set_has_opacity_control (false);
get_colorsel()->set_has_palette (true);
Gdk::Color c = gdk_color_from_rgba (_initial_color);
get_colorsel()->set_previous_color (c);
get_colorsel()->set_current_color (c);
_color_changed_connection = get_colorsel()->signal_color_changed().connect (sigc::mem_fun (*this, &StripableColorDialog::color_changed));
present ();
}
void
StripableColorDialog::finish_color_edit (int response)
{
if (_stripable && response == RESPONSE_OK) {
_stripable->presentation_info().set_color (gdk_color_to_rgba (get_colorsel()->get_current_color()));
} else {
_stripable->presentation_info().set_color (_initial_color);
}
reset ();
}
void
StripableColorDialog::color_changed ()
{
if (_stripable) {
_stripable->presentation_info().set_color (gdk_color_to_rgba (get_colorsel()->get_current_color()));
}
}