roar/libgui/CanvasWidget.hpp

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2020-01-14 20:21:49 +00:00
/*
* roar -- mIRC art editor for Windows & Linux
* Copyright (C) 2018, 2019 Lucio Andrés Illanes Albornoz <lucio@lucioillanes.de>
*
* 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 <https://www.gnu.org/licenses/>.
*/
#ifndef _CANVAS_WIDGET_HPP_
#define _CANVAS_WIDGET_HPP_
#include <wchar.h>
#include <functional>
#include <map>
#include <vector>
#include <QtWidgets/QOpenGLWidget>
#include <QtGui/QOpenGLFunctions>
#include "../librtl/rtldef.hpp"
#include "../libcanvas/Canvas.hpp"
/*
* Public types
*/
class CanvasWidget : public QOpenGLWidget, protected QOpenGLFunctions {
Q_OBJECT
public:
typedef std::vector<std::vector<Canvas::COLOUR>>
CHAR_MAP_ITEM;
typedef std::map<wchar_t, CHAR_MAP_ITEM>
CHAR_MAP;
typedef enum event_type_e {
ETYPE_NONE = 0,
ETYPE_KEYBOARD_PRESS = 1,
ETYPE_KEYBOARD_RELEASE = 2,
ETYPE_MOUSE_MOVE = 3,
ETYPE_MOUSE_PRESS = 4,
ETYPE_MOUSE_RELEASE = 5,
ETYPE_MOUSE_WHEEL = 6,
} EVENT_TYPE;
typedef std::function<bool(QKeyEvent *, QMouseEvent *, QWheelEvent *, EVENT_TYPE)>
EVENT_DISPATCHER;
typedef struct rect_either_s {
Rtl::Either<bool, Canvas::POINT>
p0;
Canvas::POINT p1;
} RECT_EITHER;
CanvasWidget(QWidget *parent=nullptr, Canvas::SIZE cellSize={7, 13}, Canvas::SIZE sizeDefault={100, 35});
bool focusNextPrevChild(bool next);
bool import(Rtl::STATUS& pstatus, const std::wstring& data, Canvas::DATA_TYPE type);
bool import(Rtl::STATUS& pstatus, Canvas::CELL_MAP& cells, Canvas::SIZE size);
void keyPressEvent(QKeyEvent *event);
void keyReleaseEvent(QKeyEvent *event);
QSize minimumSizeHint() const override;
void mouseMoveEvent(QMouseEvent *event);
void mousePressEvent(QMouseEvent *event);
void mouseReleaseEvent(QMouseEvent *event);
Rtl::Either<bool, Canvas::RECT> renderCells(bool isCursor, const Canvas::CELL_LIST& cells);
void setEventDispatcher(EVENT_DISPATCHER eventDispacher);
QSize sizeHint() const override;
void wheelEvent(QWheelEvent *event);
Canvas canvas;
Canvas::SIZE cellSize;
CHAR_MAP charMap;
EVENT_DISPATCHER eventDispatcher;
QFont font;
QImage image;
QSize imageSize;
QWidget * parent;
Canvas::SIZE sizeDefault;
private:
Canvas::CELL cellFetch(const Canvas::CELL& cell, bool fromCanvas);
protected:
void initializeGL();
};
#endif /* _CANVAS_WIDGET_HPP_ */