terminal.h
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/*
* Copyright 2008, Banco do Brasil S.A.
*
* This file is part of g3270
*
* This program file 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; version 3 of the License.
*
* 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 in a file named COPYING; if not, write to the
* Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor,
* Boston, MA 02110-1301 USA
*
* Authors:
*
* Perry Werneck<perry.werneck@gmail.com>
*
*/
#ifndef TERMINAL_H_INCLUDED
#define TERMINAL_H_INCLUDED
#include <gtk/gtk.h>
#include <gdk/gdk.h>
// #define SCREEN_ELEMENT gchar
// #define FONT_ELEMENT GdkFont
/**
* Objeto representando uma fonte.
*/
class FontElement
{
public:
FontElement();
void Load(const char *descr);
/**
* Obtem a largura da fonte.
*
*/
int Width(void)
{
return width;
}
/**
* Obtem a altura da fonte.
*
*/
int Height(void)
{
return height;
}
GdkFont *Font(void)
{
return fn;
}
private:
GdkFont *fn;
int width;
int height;
};
/**
* Objeto representando um componente da tela.
*
*/
class ScreenElement
{
public:
ScreenElement();
void expose(GtkWidget *widget, FontElement *font, int x, int y);
void Set(gchar chr, unsigned short attr)
{
this->chr = chr;
}
private:
gchar chr;
};
/**
* Objeto representando um terminal.
*
*/
#define TERMINAL_HPAD 2
#define TERMINAL_VPAD 2
class Terminal
{
public:
Terminal(int rows = 25, int cols = 80);
~Terminal();
int Print(int row, int col, unsigned short attr, const char *fmt, ...);
void SetContainer(GtkContainer *ctg);
/* Callbacks */
gboolean expose(GtkWidget *widget, GdkEventExpose *event);
void resize(GtkWidget *widget, GtkAllocation *allocation);
private:
GtkWidget *widget;
int rows;
int cols;
int left;
int top;
FontElement *fontlist;
FontElement *font;
ScreenElement *screen;
void SetFont(FontElement *fn)
{
font = fn;
}
};
#endif