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New virtual keyboard for player: (1) Much more user friendly (button directions, no submenu). (2) Now voiced like the recorder keypad. (3) More compact and straightforward code.

git-svn-id: svn://svn.rockbox.org/rockbox/trunk@5819 a1c6a512-1295-4272-9138-f99709370657
This commit is contained in:
Jens Arnold 2005-02-06 23:23:49 +00:00
parent a83ffb208f
commit 5c55e7f8ad

View file

@ -19,13 +19,16 @@
#include "lcd.h"
#include "button.h"
#include "kernel.h"
#include "system.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"
#include "settings.h"
#include "status.h"
#include "talk.h"
#include "misc.h"
#define KEYBOARD_PAGES 3
@ -38,27 +41,28 @@ static unsigned short* kbd_setupkeys(int page, int* len)
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)
switch (page)
{
case 0: /* Capitals */
for (ch = 'A'; ch <= 'Z'; ch++)
lines[i++] = ch;
break;
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)
case 1: /* Small */
for (ch = 'a'; ch <= 'z'; ch++)
lines[i++] = ch;
break;
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;
case 2: /* Others */
for (ch = ' '; ch <= '@'; ch++)
lines[i++] = ch;
break;
}
lines[i] = 0;
@ -74,254 +78,204 @@ static unsigned short* kbd_setupkeys(int page, int* len)
#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
/* helper function to spell a char if voice UI is enabled */
static void kbd_spellchar(char c)
{
static char spell_char[2] = "\0\0"; /* store char to pass to talk_spell */
if (global_settings.talk_menu) /* voice UI? */
{
spell_char[0] = c;
talk_spell(spell_char, false);
}
}
int kbd_input(char* text, int buflen)
{
bool done = false;
int page=0, x=0;
bool redraw = true;
bool line_edit = false;
int page = 0, x = 0;
int linelen;
int len, i;
int editpos, curpos, leftpos;
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;
char c;
lcd_clear_display();
int button, lastbutton = 0;
old_cursor_pos=cursor_pos=strlen(text);
if (9<cursor_pos)
left_pos=cursor_pos-9;
editpos = strlen(text);
while (!done) {
int i, p;
int len = strlen(text);
int scrpos;
int dir;
if (global_settings.talk_menu) /* voice UI? */
talk_spell(text, true); /* spell initial text */
scrpos = cursor_pos - left_pos;
dir = cursor_pos - old_cursor_pos;
/* Keep the cursor on screen, with a 2 character scroll margin */
if(dir < 0) {
if(scrpos < 2) {
left_pos = cursor_pos - 2;
if(left_pos < 0)
left_pos = 0;
}
}
if(dir > 0) {
if(scrpos > 7) {
left_pos = cursor_pos - 9;
if(left_pos < 0)
left_pos = 0;
if(left_pos > len - 9)
left_pos = len - 9;
}
}
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_PLAY:
case BUTTON_PLAY | BUTTON_REPEAT:
if (cursor_pos<len)
cursor_pos++;
button_pressed=BUTTON_NONE;
break;
case BUTTON_STOP:
case BUTTON_STOP | BUTTON_REPEAT:
if (cursor_pos>0)
cursor_pos--;
button_pressed=BUTTON_NONE;
break;
}
break;
case MENU_LINE_NEWCHARS:
switch (button_pressed)
{
case BUTTON_PLAY:
case BUTTON_PLAY | BUTTON_REPEAT:
x=(x+1+linelen)%linelen;
button_pressed=BUTTON_NONE;
break;
case BUTTON_STOP:
case BUTTON_STOP | 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+1; 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;
while (!done)
{
len = strlen(text);
if (redraw)
{
if (line_edit)
{
lcd_putc(0, 0, ' ');
lcd_putc(0, 1, KEYBOARD_ARROW);
}
else
{
lcd_putc(0, 0, KEYBOARD_ARROW);
lcd_putc(0, 1, ' ');
}
/* 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, 0, temptext);
/* write out the text */
curpos = MIN(editpos, 9 - MIN(len - editpos, 2));
leftpos = editpos - curpos;
strncpy(temptext, text + leftpos, 10);
temptext[10] = 0;
if (leftpos)
temptext[0] = '<';
if (len - leftpos > 10)
temptext[9] = '>';
lcd_remove_cursor();
lcd_puts(1, 1, temptext);
lcd_put_cursor(curpos + 1, 1, KEYBOARD_CURSOR);
status_draw(true);
}
/* The default action is to redraw */
redraw = true;
button = button_get_w_tmo(HZ/2);
switch (button)
{
case BUTTON_STOP: /* abort */
return -1;
break;
case BUTTON_MENU: /* page flip */
if (++page == KEYBOARD_PAGES)
page = 0;
line = kbd_setupkeys(page, &linelen);
if (x > linelen - 1)
x = linelen - 1;
kbd_spellchar(line[x]);
break;
case BUTTON_ON: /* toggle mode */
line_edit = !line_edit;
if (!line_edit)
kbd_spellchar(line[x]);
break;
case BUTTON_RIGHT:
case BUTTON_RIGHT | BUTTON_REPEAT:
if (menu_line<MENU_LINE_LAST)
menu_line++;
if (line_edit)
{
if (editpos < len)
{
editpos++;
kbd_spellchar(text[editpos]);
}
}
else
menu_line=0;
{
if (x < linelen - 1)
x++;
else
x = 0;
kbd_spellchar(line[x]);
}
break;
case BUTTON_LEFT:
case BUTTON_LEFT | BUTTON_REPEAT:
if (menu_line>0)
menu_line--;
if (line_edit)
{
if (editpos)
{
editpos--;
kbd_spellchar(text[editpos]);
}
}
else
menu_line=MENU_LINE_LAST;
{
if (x)
x--;
else
x = linelen - 1;
kbd_spellchar(line[x]);
}
break;
case BUTTON_PLAY | BUTTON_REPEAT:
/* accepts what was entered and continues */
done = true;
break;
case BUTTON_PLAY | BUTTON_REL:
if (lastbutton != BUTTON_PLAY)
break;
if (line_edit) /* backspace in line_edit */
{
if (editpos > 0)
{
for (i = editpos; i < len; i++)
text[i-1] = text[i];
text[i-1] = '\0';
editpos--;
}
}
else /* inserts the selected char */
{
if (len < buflen)
{
c = line[x];
if (editpos == len)
{
text[len] = c;
text[len+1] = 0;
}
else
{
for (i = len ; i >= editpos; i--)
text[i+1] = text[i];
text[editpos] = c;
}
editpos++;
}
}
if (global_settings.talk_menu) /* voice UI? */
talk_spell(text, false); /* speak revised text */
break;
case BUTTON_NONE:
status_draw(false);
redraw = false;
break;
default:
default_event_handler(button);
break;
}
if (button != BUTTON_NONE)
lastbutton = button;
}
return 0;
}