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livetrax/gtk2_ardour/stripable_colorpicker.cc
Robin Gareus 4050ca5633
Update GPL boilerplate and (C)
Copyright-holder and year information is extracted from git log.

git history begins in 2005. So (C) from 1998..2005 is lost. Also some
(C) assignment of commits where the committer didn't use --author.
2019-08-03 15:53:15 +02:00

192 lines
5.7 KiB
C++

/*
* Copyright (C) 2017-2018 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 "public_editor.h"
#include "stripable_colorpicker.h"
#include "ui_config.h"
#include "utils.h"
#include "pbd/i18n.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));
#ifdef __APPLE__
/* hide eyedropper button -- which does not work on OSX:
* " the problem is worse than just `not getting the color' though.
* The action doesn't actually complete, and window focus is in a
* `weird state' until you click inside the color-picker dialog twice;
* then it all seems back to normal (but no color got picked)"
*
* the alternative is to patch gtk's source:
* gtk/gtkcolorsel.c gtk_color_selection_init() which packs
*
* top_hbox [ VBOX [ triangle || hbox [ sample-area || picker-button] ] || ... ]
*/
ColorSelection* cs = get_colorsel(); // IS-A VBOX
if (!cs) { return ; }
Gtk::HBox* top_hbox = dynamic_cast<Gtk::HBox*> (cs->children()[0].get_widget());
if (!top_hbox) { return ; }
Gtk::VBox* vbox = dynamic_cast<Gtk::VBox*> (top_hbox->children()[0].get_widget());
if (!vbox) { return ; }
Gtk::HBox* hbox = dynamic_cast<Gtk::HBox*> (vbox->children()[1].get_widget());
if (!hbox) { return ; }
Gtk::Button* picker = dynamic_cast<Gtk::Button*> (hbox->children()[1].get_widget());
if (!picker) { return ; }
picker->hide ();
#endif
}
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 (const std::string& name, uint32_t color)
{
set_title (string_compose (_("Color Selection: %1"), name));
_initial_color = color;
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.disconnect ();
_color_changed_connection = get_colorsel()->signal_color_changed().connect (sigc::mem_fun (*this, &StripableColorDialog::color_changed));
present ();
}
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);
popup (s->name(), _stripable->presentation_info().color ());
}
void
StripableColorDialog::finish_color_edit (int response)
{
ARDOUR::RouteList rl = PublicEditor::instance().get_selection().tracks.routelist();
if (response == RESPONSE_OK) {
ColorChanged (gdk_color_to_rgba (get_colorsel()->get_current_color())); /* EMIT SIGNAL */
}
if (_stripable && response == RESPONSE_OK) {
for (ARDOUR::RouteList::iterator i = rl.begin(); i != rl.end(); ++i) {
(*i)->presentation_info().set_color (gdk_color_to_rgba (get_colorsel()->get_current_color()));
}
_stripable->presentation_info().set_color (gdk_color_to_rgba (get_colorsel()->get_current_color()));
} else if (_stripable) {
_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()));
}
}
ArdourColorButton::ArdourColorButton ()
{
_color_picker.ColorChanged.connect (sigc::mem_fun(*this, &ArdourColorButton::color_selected));
}
void
ArdourColorButton::on_clicked ()
{
_color_picker.popup ("", gdk_color_to_rgba (get_color ()));
_color_picker.get_window ()->set_transient_for (get_window ());
}
void
ArdourColorButton::color_selected (uint32_t color)
{
Gdk::Color c;
set_color_from_rgba (c, color);
set_color (c);
g_signal_emit_by_name (GTK_WIDGET(gobj()), "color-set", 0);
}