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ff2c33e42e
A Button that changes functionality. * right click: show a drop-down to pick what left click will do * left click: activate selected action
129 lines
3 KiB
C++
129 lines
3 KiB
C++
/*
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* Copyright (C) 2025 Robin Gareus <robin@gareus.org>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License along
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* with this program; if not, write to the Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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*/
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#include "gtkmm2ext/utils.h"
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#include "widgets/metabutton.h"
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using namespace Gtk;
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using namespace std;
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using namespace ArdourWidgets;
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MetaButton::MetaButton ()
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: _active (0)
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{
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_menu.signal_size_request ().connect (sigc::mem_fun (*this, &MetaButton::menu_size_request));
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_menu.set_reserve_toggle_size (false);
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add_elements (default_elements);
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add_elements (ArdourButton::Menu);
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}
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MetaButton::~MetaButton ()
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{
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}
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void
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MetaButton::menu_size_request (Requisition* req)
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{
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req->width = max (req->width, get_allocation ().get_width ());
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}
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void
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MetaButton::clear_items ()
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{
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_menu.items ().clear ();
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}
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void
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MetaButton::add_item (std::string const& label, std::string const& menutext, sigc::slot<void> const& cb)
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{
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using namespace Menu_Helpers;
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add_sizing_text (label);
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MenuList& items = _menu.items ();
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items.push_back (MetaElement (label, menutext, cb, sigc::mem_fun (*this, &MetaButton::activate_item)));
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if (items.size () == 1) {
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_menu.set_active (0);
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set_text (label);
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}
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}
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bool
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MetaButton::on_button_press_event (GdkEventButton* ev)
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{
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MetaMenuItem const* current_active = dynamic_cast<MetaMenuItem*> (_menu.get_active ());
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if (ev->type == GDK_BUTTON_PRESS && ev->button == 3) {
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Gtkmm2ext::anchored_menu_popup (&_menu, this, current_active ? current_active->menutext () : "", 3, ev->time);
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}
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if (ev->type == GDK_BUTTON_PRESS && ev->button == 1) {
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if (current_active) {
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current_active->activate ();
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}
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}
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return true;
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}
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void
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MetaButton::activate_item (MetaMenuItem const* e)
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{
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set_text (e->label ());
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e->activate ();
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}
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void
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MetaButton::set_active (std::string const& menulabel)
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{
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guint c = 0;
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bool found = false;
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for (auto& i : _menu.items ()) {
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if (i.get_label () == menulabel) {
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if (_menu.get_active () != &i) {
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_menu.set_active (c);
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}
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set_text (dynamic_cast<MetaMenuItem*> (&i)->label ());
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set_active_state (Gtkmm2ext::ExplicitActive);
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_active = c;
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found = true;
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break;
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}
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++c;
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}
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if (!found) {
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set_active_state (Gtkmm2ext::Off);
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}
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StateChanged (); /* EMIT SIGNAL */
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}
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void
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MetaButton::set_index (guint index)
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{
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guint c = 0;
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for (auto& i : _menu.items ()) {
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if (c == index) {
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_menu.set_active (c);
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set_text (dynamic_cast<MetaMenuItem*> (&i)->label ());
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break;
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}
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++c;
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}
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}
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