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Add scroll list

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This commit is contained in:
Laurent Vivier 2007-08-15 10:53:11 +00:00
parent 70be974956
commit 8d02f4dac4
3 changed files with 87 additions and 1 deletions
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2
libui/Makefile
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@ -10,7 +10,7 @@ CPPFLAGS = -I$(TOP) -DARCH_M68K
LIBRARY = libui.a
SOURCES = window.c progressbar.c
SOURCES = window.c progressbar.c scrolllist.c
HEADERS =

9
libui/libui.h
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@ -15,12 +15,21 @@ typedef struct emile_progressbar {
int current;
} emile_progressbar_t;
typedef struct emile_list {
char** item;
int nb;
int current;
} emile_list_t;
extern void console_set_cursor_position(int l, int c);
extern void console_video_inverse(void);
extern void console_video_normal(void);
extern void console_select_charset(char c);
extern void console_cursor_off();
extern void emile_window(emile_window_t *win);
extern emile_progressbar_t* emile_progressbar_create(emile_window_t *win, int max);
extern void emile_progressbar_value(emile_progressbar_t* bar, int value);
extern void emile_progressbar_delete(emile_progressbar_t* bar);
extern int emile_scrolllist(emile_window_t *win, emile_list_t *list);

77
libui/scrolllist.c Normal file
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@ -0,0 +1,77 @@
/*
*
* (c) 2007 Laurent Vivier <Laurent@lvivier.info>
*
*/
#include <stdio.h>
#include <string.h>
#include "libui.h"
static int display_list(emile_window_t *win, emile_list_t *list, int base)
{
int i, j;
for (i = 0; i < win->h; i++)
{
console_set_cursor_position(win->l + i, win->c);
if (i + base < list->nb)
{
char* current = list->item[i + base];
int len = strlen(current);
if ( (i + base) == list->current)
console_video_inverse();
for (j = 0; j < win->w; j++)
{
if (j < len)
putchar(current[j]);
else
putchar(' ');
}
console_video_normal();
}
else
for (j = 0; j < win->w; j++)
putchar(' ');
}
return list->current;
}
int emile_scrolllist(emile_window_t *win, emile_list_t *list)
{
char c;
int base = 0;
console_cursor_off();
emile_window(win);
display_list(win, list, base);
while((c = getchar()) != -1)
{
if (c == '\033')
{
c = getchar();
if (c != '[')
continue;
c = getchar();
if ( (c == 'B') && (list->current < list->nb - 1) )
{
list->current++;
if (list->current > win->h - 1)
base = list->current - win->h + 1;
}
else if ( (c == 'A') && (list->current > 0) )
{
list->current--;
if (list->current < base)
base--;
}
display_list(win, list, base);
}
else
break;
}
return c;
}