scummvm/gui/message.h

131 lines
4.0 KiB
C++

/* ScummVM - Graphic Adventure Engine
*
* ScummVM is the legal property of its developers, whose names
* are too numerous to list here. Please refer to the COPYRIGHT
* file distributed with this source distribution.
*
* 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 3 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, see <http://www.gnu.org/licenses/>.
*
*/
#ifndef MESSAGE_DIALOG_H
#define MESSAGE_DIALOG_H
#include "gui/dialog.h"
#include "common/str.h"
#include "common/str-array.h"
namespace GUI {
class CommandSender;
class StaticTextWidget;
class ButtonWidget;
enum {
kMessageOK = 0,
kMessageAlt = 1
};
/**
* Simple message dialog ("alert box"): presents a text message in a dialog with up to two buttons.
*/
class MessageDialog : public Dialog {
public:
MessageDialog(const Common::U32String &message,
const Common::U32String &defaultButton = Common::U32String("OK"),
const Common::U32String &altButton = Common::U32String(),
Graphics::TextAlign alignment = Graphics::kTextAlignCenter,
const char *url = nullptr,
const Common::U32String &extraMessage = Common::U32String());
MessageDialog(const Common::String &message,
const Common::String &defaultButton = "OK",
const Common::String &altButton = Common::String(),
Graphics::TextAlign alignment = Graphics::kTextAlignCenter,
const char *url = nullptr);
MessageDialog(const Common::U32String &message,
const Common::U32String &defaultButton,
const Common::U32StringArray &altButtons,
Graphics::TextAlign alignment = Graphics::kTextAlignCenter);
void handleCommand(CommandSender *sender, uint32 cmd, uint32 data) override;
void reflowLayout() override;
private:
const char *_url;
void init(const Common::U32String &message,
const Common::U32String &defaultButton,
const Common::U32StringArray &altButtons,
Graphics::TextAlign alignment,
const char *url,
const Common::U32String &extraMessage);
protected:
Common::U32String _message;
Graphics::TextAlign _alignment;
Common::Array<StaticTextWidget *> _lines;
Common::Array<ButtonWidget *> _buttons;
StaticTextWidget *_extraMessage;
};
/**
* Timed message dialog: displays a message to the user for brief time period.
*/
class TimedMessageDialog : public MessageDialog {
public:
TimedMessageDialog(const Common::U32String &message, uint32 duration);
void handleTickle() override;
protected:
uint32 _timer;
};
/**
* Timed message dialog: displays a message with a countdown.
*/
class CountdownMessageDialog : public MessageDialog {
public:
CountdownMessageDialog(const Common::U32String &message,
uint32 duration,
const Common::U32String &defaultButton = Common::U32String("OK"),
const Common::U32String &altButton = Common::U32String(),
Graphics::TextAlign alignment = Graphics::kTextAlignCenter,
const Common::U32String &countdownMessage = Common::U32String(""));
void handleTickle() override;
protected:
void updateCountdown();
uint32 _timer;
uint32 _startTime;
Common::U32String _countdownMessage;
};
/**
* Message dialog with button to open a specified URL
*/
class MessageDialogWithURL : public MessageDialog {
public:
MessageDialogWithURL(const Common::U32String &message, const char *url, const Common::U32String &defaultButton = Common::U32String("OK"), Graphics::TextAlign alignment = Graphics::kTextAlignCenter);
MessageDialogWithURL(const Common::String &message, const char *url, const char *defaultButton = "OK", Graphics::TextAlign alignment = Graphics::kTextAlignCenter);
};
} // End of namespace GUI
#endif