x11_interface.h

/*-
 * Copyright (C) Pietro Cerutti <gahr@gahr.ch>
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 *
 * THIS SOFTWARE IS PROVIDED BY AUTHOR AND CONTRIBUTORS ``AS IS'' AND
 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED.  IN NO EVENT SHALL AUTHOR OR CONTRIBUTORS BE LIABLE
 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 * SUCH DAMAGE.
 */

#ifndef X11INTERFACE_H
#define X11INTERFACE_H

#include <string>

typedef struct {
    enum EventType {
        Evt_Expose,
        Evt_KeyPress,
        Evt_Other
    } type;
    uint16_t key;
    int state;
} X11Event;

struct X11Interface {
    virtual ~X11Interface() { }
    virtual bool createWindow(int x, int y, int width, int height) =0;
    virtual bool setupGC(const std::string& bgColor, const std::string& fgColor, const std::string& fontDesc) =0;
    virtual bool grabKeyboard() =0;
    virtual bool redraw(const std::string& command, std::string::size_type cursorPos) =0;
    virtual bool nextEvent(X11Event& ev) =0;

    static X11Interface * create();
};

#endif /* !X11INTERFACE_H */