src/messagefield.c

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/* {{{
 * CalcRogue, a roguelike game for PCs, calculators and PDAs
 * Copyright (C) 2003 Jim Babcock
 * 
 * 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., 675 Mass Ave, Cambridge, MA 02139, USA.
 * }}} */
// messagefield.c

#include "crogue.h"
#include "export.h"

#define MESSAGEFIELD_X 0
#define MESSAGEFIELD_Y 0
#define MESSAGEFIELD_ROWS 2
#define MESSAGEFIELD_HEIGHT 16
#define MESSAGEFIELD_WIDTH SCREEN_WIDTH

static void _UI_MF_savemsg(const char *msg);
static draw_string_info MF_state;

//{{{
void message(const char *format, ...)
{
    va_list args;
    va_start(args, format);
    vmessage(format, args);
}
//}}}
//{{{
void vmessage(const char *format, va_list args)
{
    char buf[512];
    
    w->interrupt = 1;
    
    vsprintf(buf, format, args);
    
    if(!w->messagevis)
        UI_MF_clear();

    _UI_MF_savemsg(buf);
    UI_MF_sendmsg(buf);
    w->messagevis = 1;
}
//}}}

//{{{
void UI_MF_clear(void)
{
#ifdef USE_CURSES
    int i;
#endif
    // Reset pos
    MF_state.curX = 0;
    MF_state.curRow = 0;
    
#ifdef IS_CALCULATOR
    SetFont(w->options[OPTION_FONTSIZE]);
    clear_string(0, 0, MESSAGEFIELD_WIDTH, MESSAGEFIELD_ROWS);
#endif
#ifdef USE_CURSES
    for(i=0; i<MESSAGEFIELD_ROWS; i++)
        clear_line(i);
#endif
#ifdef PALMOS
    Graph_ClearRect(MESSAGEFIELD_X, MESSAGEFIELD_Y,
                    MESSAGEFIELD_WIDTH, MESSAGEFIELD_HEIGHT);
#endif
}
//}}}

static char message_buf[MESSAGEBUF_SIZE];

//{{{
static void _UI_MF_savemsg(const char *msg)
{
    int i;
    
    // Make room for new message
    while(strlen(message_buf) + strlen(msg) + 2 > MESSAGEBUF_SIZE)
    {
        // Find start of next string
        for(i=0; i<strlen(message_buf); i++)
            if(message_buf[i] == '\n')
                break;
        strcpy(message_buf, message_buf+i+1);
    }
    
    strcat(message_buf, msg);
    strcat(message_buf, "\n");
}
//}}}
//{{{
void UI_MF_history(void)
{
    char converted_buf[MESSAGEBUF_SIZE]; // For converting newlines to spaces
    draw_string_info state = {0, 0};
    int i;
    strcpy(converted_buf, message_buf);
    
    for(i=0; i<MESSAGEBUF_SIZE; i++)
        if(converted_buf[i] == '\n') converted_buf[i] = ' ';
    
    Graph_ClrScr();
#ifdef IS_CALCULATOR
    SetFont(w->options[OPTION_FONTSIZE]);
#endif
    draw_string(converted_buf, &state, 0, 0, SCREEN_WIDTH, SCREEN_HEIGHT, 1);
    read_char();
    full_redraw();
}
//}}}
//{{{
void UI_MF_sendmsg(const char *msg)
{
#ifdef IS_CALCULATOR
    SetFont(w->options[OPTION_FONTSIZE]);
#endif
    
    if(MF_state.curX)
        draw_string(" ", &MF_state, MESSAGEFIELD_X, MESSAGEFIELD_Y, MESSAGEFIELD_WIDTH, MESSAGEFIELD_HEIGHT, 1);
    
    draw_string(msg, &MF_state, MESSAGEFIELD_X, MESSAGEFIELD_Y, MESSAGEFIELD_WIDTH, MESSAGEFIELD_HEIGHT, 1);
    
#ifdef CURSES
    refresh();
#endif
}
//}}}
//{{{
void UI_MF_wait(void)
{
    UI_MF_sendmsg(gettext("-More-"));
    read_char();
    UI_MF_clear();
}
//}}}

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