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livetrax/gtk2_ardour/luadialog.h

149 lines
3.7 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.
*/
#ifndef _gtk2ardour_luadialog_h_
#define _gtk2ardour_luadialog_h_
#include <cassert>
#include <gtkmm/table.h>
#include <gtkmm/progressbar.h>
#include "LuaBridge/LuaBridge.h"
#include "ardour_message.h"
namespace LuaDialog {
class Message {
public:
enum MessageType {
Info, Warning, Question, Error
};
enum ButtonType {
OK, Close, Cancel, Yes_No, OK_Cancel
};
Message (std::string const&, std::string const&, Message::MessageType, Message::ButtonType);
int run ();
private:
Message (Message const&); // prevent copy construction
static Gtk::ButtonsType to_gtk_bt (ButtonType bt);
static Gtk::MessageType to_gtk_mt (MessageType mt);
ArdourMessageDialog _message_dialog;
};
class LuaDialogWidget {
public:
LuaDialogWidget (std::string const& key, std::string const& label, int col = 0, int colspan = -1)
: _key (key), _label (label), _col (col), _colspan (colspan)
{
if (_colspan < 0) {
_colspan = label.empty () ? 1 : 2;
}
}
virtual ~LuaDialogWidget () {}
virtual Gtk::Widget* widget () = 0;
virtual void assign (luabridge::LuaRef* rv) const = 0;
std::string const& label () const { return _label; }
std::string const& key () const { return _key; }
int col () const { return _col; }
int span () const { return _colspan; }
void set_col (int col) { _col = col; }
void set_span (int span) { _colspan = span; }
protected:
std::string _key;
std::string _label;
int _col;
int _colspan;
};
class Dialog {
public:
Dialog (std::string const&, luabridge::LuaRef);
~Dialog ();
int run (lua_State *L);
private:
Dialog (Dialog const&); // prevent copy construction
void table_size_alloc (Gtk::Allocation&);
ArdourDialog _ad;
Gtk::ScrolledWindow _scroller;
typedef std::vector<LuaDialogWidget*> DialogWidgets;
DialogWidgets _widgets;
std::string _title;
};
/** Synchronous GUI-thread Progress dialog
*
* This shows a modal progress dialog with an optional
* "Cancel" button. Since it runs in the UI thread
* the script needs to regularly call progress(),
* as well as close the dialog, as needed.
*/
class ProgressWindow : public ArdourDialog
{
public:
/** Create a new progress window.
* @param title Window title
* @param allow_cancel include a "Cancel" option
*/
ProgressWindow (std::string const& title, bool allow_cancel);
/** Report progress and update GUI.
* @param prog progress in range 0..1 show a bar, values outside this range show a pulsing dialog.
* @param text optional text to show on the progress-bar
* @return true if cancel was clicked, false otherwise
*/
bool progress (float prog, std::string const& text = "");
bool canceled () const {
return _canceled;
}
/** Close and hide the dialog.
*
* This is required to be at the end, since the dialog
* is modal and prevents other UI operations while visible.
*/
void done ();
private:
void cancel_clicked () {
_canceled = true;
}
Gtk::ProgressBar _bar;
bool _canceled;
};
}; // namespace
#endif