rockbox/apps/player/keyboard.c
Mats Lidell cad6f24a50 Synched with recorder: Starts editing at the end of the string.
Bug with long strings fixed (Strings longer than newchars was
truncated.)


git-svn-id: svn://svn.rockbox.org/rockbox/trunk@3431 a1c6a512-1295-4272-9138-f99709370657
2003-03-11 15:05:04 +00:00

309 lines
9.7 KiB
C

/***************************************************************************
* __________ __ ___.
* Open \______ \ ____ ____ | | _\_ |__ _______ ___
* Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
* Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
* Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
* \/ \/ \/ \/ \/
* $Id$
*
* Copyright (C) 2002 by Björn Stenberg
*
* All files in this archive are subject to the GNU General Public License.
* See the file COPYING in the source tree root for full license agreement.
*
* This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
* KIND, either express or implied.
*
****************************************************************************/
#include "lcd.h"
#include "button.h"
#include "kernel.h"
#include "version.h"
#include "debug_menu.h"
#include "sprintf.h"
#include <string.h>
#include "lcd-player-charset.h"
#include "lang.h"
#include "debug.h"
#define KEYBOARD_PAGES 3
unsigned short *lcd_ascii;
static unsigned short* kbd_setupkeys(int page, int* len)
{
static unsigned short lines[128];
unsigned short ch;
int i = 0;
switch (page) {
case 0: /* Capitals */
for (ch = 'A'; ch <= 'Z'; ch++)
lines[i++] = ch;
for (ch = 0xc0; ch <= 0xdd; ch++)
if (lcd_ascii[ch] != NOCHAR_NEW && lcd_ascii[ch] != NOCHAR_OLD)
lines[i++] = ch;
break;
case 1: /* Small */
for (ch = 'a'; ch <= 'z'; ch++)
lines[i++] = ch;
for (ch = 0xdf; ch <= 0xff; ch++)
if (lcd_ascii[ch] != NOCHAR_NEW && lcd_ascii[ch] != NOCHAR_OLD)
lines[i++] = ch;
break;
case 2: /* Others */
for (ch = ' '; ch <= '@'; ch++)
lines[i++] = ch;
break;
}
lines[i] = 0;
*len = i;
return lines;
}
/* Delimiters for highlighting the character selected for insertion */
#define KEYBOARD_INSERT_LEFT 0x81
#define KEYBOARD_INSERT_RIGHT 0x82
#define KEYBOARD_CURSOR 0x7f
#define KEYBOARD_ARROW 0x92
#define MENU_LINE_INPUT 0
#define MENU_LINE_NEWCHARS 1
#define MENU_LINE_BACKSPACE 2
#define MENU_LINE_DELETE 3
#define MENU_LINE_ACCEPT 4
#define MENU_LINE_QUIT 5
#define MENU_LINE_LAST 5
int kbd_input(char* text, int buflen)
{
bool done = false;
int page=0, x=0;
int linelen;
unsigned short* line = kbd_setupkeys(page, &linelen);
int menu_line=0;
int cursor_pos=0;
int button_pressed;
unsigned char temptext[12];
int old_cursor_pos=0; /* Windowed cursor movement */
int left_pos=0;
lcd_clear_display();
old_cursor_pos=cursor_pos=strlen(text);
if (9<cursor_pos)
left_pos=cursor_pos-9;
while (!done) {
int i, p;
int len = strlen(text);
/* draw input */
if (old_cursor_pos<cursor_pos && 7<(cursor_pos-left_pos) && cursor_pos<(len-1))
left_pos++;
else
if (cursor_pos<old_cursor_pos && (cursor_pos-left_pos)<2 && 0<left_pos)
left_pos--;
p=0;
i = left_pos;
while (p<10 && text[i]) {
temptext[p++]=text[i++];
}
temptext[p]=0;
lcd_remove_cursor();
lcd_puts(1, 0, temptext);
lcd_put_cursor(cursor_pos-left_pos+1, 0, 0x7f);
old_cursor_pos=cursor_pos;
switch (menu_line) {
case MENU_LINE_INPUT:
case MENU_LINE_NEWCHARS:
/* Draw insert chars */
temptext[0]=KEYBOARD_INSERT_LEFT;
temptext[1]=line[x%linelen];
temptext[2]=KEYBOARD_INSERT_RIGHT;
for (i=1; i < 8; i++) {
temptext[i+2]=line[(i+x)%linelen];
}
temptext[i+2]=0;
lcd_puts(1, 1, temptext);
break;
case MENU_LINE_BACKSPACE:
lcd_puts_scroll(1, 1, str(LANG_PLAYER_KEYBOARD_BACKSPACE));
break;
case MENU_LINE_DELETE:
lcd_puts_scroll(1, 1, str(LANG_PLAYER_KEYBOARD_DELETE));
break;
case MENU_LINE_ACCEPT:
lcd_puts_scroll(1, 1, str(LANG_PLAYER_KEYBOARD_ACCEPT));
break;
case MENU_LINE_QUIT:
lcd_puts_scroll(1, 1, str(LANG_PLAYER_KEYBOARD_ABORT));
break;
}
if (menu_line==MENU_LINE_INPUT) {
lcd_putc(0, 0, KEYBOARD_ARROW);
lcd_putc(0, 1, ' ');
} else {
lcd_putc(0, 0, ' ');
lcd_putc(0, 1, KEYBOARD_ARROW);
}
lcd_update();
button_pressed=button_get(true);
switch (menu_line)
{
case MENU_LINE_INPUT:
switch (button_pressed)
{
case BUTTON_UP:
case BUTTON_UP | BUTTON_REPEAT:
if (cursor_pos<len)
cursor_pos++;
button_pressed=BUTTON_NONE;
break;
case BUTTON_DOWN:
case BUTTON_DOWN | BUTTON_REPEAT:
if (cursor_pos>0)
cursor_pos--;
button_pressed=BUTTON_NONE;
break;
}
break;
case MENU_LINE_NEWCHARS:
switch (button_pressed)
{
case BUTTON_UP:
case BUTTON_UP | BUTTON_REPEAT:
x=(x+1+linelen)%linelen;
button_pressed=BUTTON_NONE;
break;
case BUTTON_DOWN:
case BUTTON_DOWN | BUTTON_REPEAT:
x=(x-1+linelen)%linelen;
button_pressed=BUTTON_NONE;
break;
case BUTTON_MENU:
/* shift */
if (++page == KEYBOARD_PAGES)
page = 0;
line = kbd_setupkeys(page, &linelen);
break;
case BUTTON_ON:
if (len < buflen) {
/* ON insert the char */
for (i=len; i>cursor_pos; i--) {
text[i]=text[i-1];
}
text[cursor_pos]=line[x];
button_pressed=BUTTON_NONE;
cursor_pos++;
}
break;
}
break;
case MENU_LINE_BACKSPACE:
switch (button_pressed) {
case BUTTON_ON:
case BUTTON_PLAY:
case BUTTON_PLAY | BUTTON_REPEAT:
button_pressed=BUTTON_NONE;
if (0 < cursor_pos) {
for (i=--cursor_pos; i<=len; i++) {
text[i]=text[i+1];
}
}
break;
case BUTTON_STOP:
case BUTTON_STOP | BUTTON_REPEAT:
button_pressed=BUTTON_NONE;
for (i=cursor_pos; i<=len; i++) {
text[i]=text[i+1];
}
break;
}
break;
case MENU_LINE_DELETE:
switch (button_pressed) {
case BUTTON_ON:
case BUTTON_PLAY:
case BUTTON_PLAY | BUTTON_REPEAT:
button_pressed=BUTTON_NONE;
for (i=cursor_pos; i<=len; i++) {
text[i]=text[i+1];
}
break;
case BUTTON_STOP:
case BUTTON_STOP | BUTTON_REPEAT:
button_pressed=BUTTON_NONE;
if (0 < cursor_pos)
for (i=--cursor_pos; i<=len; i++) {
text[i]=text[i+1];
}
break;
}
break;
case MENU_LINE_ACCEPT:
switch (button_pressed) {
case BUTTON_ON:
case BUTTON_PLAY:
case BUTTON_PLAY | BUTTON_REPEAT:
button_pressed=BUTTON_NONE;
done=true;
break;
}
break;
case MENU_LINE_QUIT:
switch (button_pressed) {
case BUTTON_ON:
case BUTTON_PLAY:
case BUTTON_PLAY | BUTTON_REPEAT:
return 1;
break;
}
break;
}
/* Handle unhandled events */
switch (button_pressed) {
case BUTTON_NONE:
/* button is already handled */
break;
case BUTTON_MENU | BUTTON_STOP:
break;
case BUTTON_RIGHT:
case BUTTON_RIGHT | BUTTON_REPEAT:
if (menu_line<MENU_LINE_LAST)
menu_line++;
else
menu_line=0;
break;
case BUTTON_LEFT:
case BUTTON_LEFT | BUTTON_REPEAT:
if (menu_line>0)
menu_line--;
else
menu_line=MENU_LINE_LAST;
break;
}
}
return 0;
}