editor/dialog.c

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#include "editor.h"

//{{{
int show_dialog(const char *message, int x, int y, int width, int height)
{
    draw_rect(x, y, width, height);
    draw_string(message, x+3, y+3);
    return read_char();
}
//}}}
//{{{
// Reads a string. (Editing support is quite primitive, however, and
// only characters legal in filenames are recognized.)
int dialog_read_string(const char *message, char *buffer, int x, int y,
                       int width, int height)
{
    int key;
    int string_pos = 0;
    draw_rect(x, y, width, height);
    draw_string(message, x+3, y+3);
    
    do
    {
        draw_rect(x+3, y+height-11, width-7, 9);
        draw_string(buffer, x+5, y+height-9);
        key = read_char();
        
        if(key==KEY_BACKSPACE || key==KEY_LEFT)
        {
            if(string_pos>0)
                buffer[--string_pos] = '\0';
        }
        
        if(key==KEY_ENTER)
            return 1;
        if(key==KEY_ESC)
            return 0;
        
    
        if(key>0 && key<256)
        {
            buffer[string_pos++] = key;
            buffer[string_pos] = '\0';
        }
        
    } while(1);
}
//}}}

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