static void rtgui_textbox_timeout(rtgui_timer_t *timer, void *parameter)
{
rtgui_textbox_t *box;
box = RTGUI_TEXTBOX(parameter);
/* set caret flag */
if (box->flag & RTGUI_TEXTBOX_CARET_SHOW)
box->flag &= ~RTGUI_TEXTBOX_CARET_SHOW;
else
box->flag |= RTGUI_TEXTBOX_CARET_SHOW;
rtgui_textbox_draw_caret(box, box->position);
}
static rt_bool_t rtgui_textbox_onunfocus(struct rtgui_object* object, struct rtgui_event* event)
{
struct rtgui_textbox* box;
RTGUI_WIDGET_EVENT_HANDLER_PREPARE
box = RTGUI_TEXTBOX(object);
/* stop caret timer */
rtgui_timer_stop(box->caret_timer);
/* set caret to hide */
box->flag &= ~RTGUI_TEXTBOX_CARET_SHOW;
return RT_TRUE;
}
static rt_bool_t rtgui_textbox_onfocus(struct rtgui_object *widget, rtgui_event_t *event)
{
rtgui_textbox_t *box = RTGUI_TEXTBOX(widget);
/* if there is already a timer, don't create another one. */
if (box->caret_timer == RT_NULL)
{
box->caret_timer = rtgui_timer_create(50, RT_TIMER_FLAG_PERIODIC, rtgui_textbox_timeout, box);
/* set caret to show */
box->flag |= RTGUI_TEXTBOX_CARET_SHOW;
/* start caret timer */
if (box->caret_timer != RT_NULL)
rtgui_timer_start(box->caret_timer);
}
return RT_TRUE;
}
static rt_bool_t rtgui_textbox_onunfocus(struct rtgui_object *widget, rtgui_event_t *event)
{
rtgui_textbox_t *box = RTGUI_TEXTBOX(widget);
/* stop caret timer */
if (box->caret_timer != RT_NULL)
{
rtgui_timer_stop(box->caret_timer);
rtgui_timer_destory(box->caret_timer);
box->caret_timer = RT_NULL;
}
/* set caret to hide */
box->flag &= ~RTGUI_TEXTBOX_CARET_SHOW;
rtgui_textbox_draw_caret(box, box->position);
if (box->on_enter != RT_NULL)
box->on_enter(box, event);
return RT_TRUE;
}
rt_bool_t rtgui_textbox_event_handler(struct rtgui_object *object, rtgui_event_t *event)
{
rtgui_widget_t *widget = RTGUI_WIDGET(object);
rtgui_textbox_t *box = RTGUI_TEXTBOX(object);
switch (event->type)
{
case RTGUI_EVENT_PAINT:
#ifndef RTGUI_USING_SMALL_SIZE
if (widget->on_draw != RT_NULL)
widget->on_draw(RTGUI_OBJECT(widget), event);
else
#endif
rtgui_textbox_ondraw(box);
break;
case RTGUI_EVENT_MOUSE_BUTTON:
#ifndef RTGUI_USING_SMALL_SIZE
if (widget->on_mouseclick != RT_NULL)
widget->on_mouseclick(RTGUI_OBJECT(widget), event);
else
#endif
rtgui_textbox_onmouse(box, (struct rtgui_event_mouse *)event);
return RT_TRUE;
case RTGUI_EVENT_KBD:
#ifndef RTGUI_USING_SMALL_SIZE
if (widget->on_key != RT_NULL)
widget->on_key(RTGUI_OBJECT(widget), event);
else
#endif
rtgui_textbox_onkey(RTGUI_OBJECT(box), (struct rtgui_event *)event);
return RT_TRUE;
default:
return rtgui_widget_event_handler(RTGUI_OBJECT(widget), event);
}
return RT_FALSE;
}
rt_bool_t rtgui_textbox_event_handler(struct rtgui_object* object, struct rtgui_event* event)
{
struct rtgui_textbox* box;
RTGUI_WIDGET_EVENT_HANDLER_PREPARE
box = RTGUI_TEXTBOX(object);
switch (event->type)
{
case RTGUI_EVENT_PAINT:
#ifndef RTGUI_USING_SMALL_SIZE
if (widget->on_draw != RT_NULL) widget->on_draw(widget, event);
else
#endif
rtgui_theme_draw_textbox(box);
break;
case RTGUI_EVENT_MOUSE_BUTTON:
if (!RTGUI_WIDGET_IS_ENABLE(widget) || RTGUI_WIDGET_IS_HIDE(widget)) return RT_FALSE;
#ifndef RTGUI_USING_SMALL_SIZE
if (widget->on_mouseclick != RT_NULL) widget->on_mouseclick(widget, event);
else
#endif
rtgui_textbox_onmouse(box, (struct rtgui_event_mouse*)event);
return RT_TRUE;
case RTGUI_EVENT_KBD:
if (!RTGUI_WIDGET_IS_ENABLE(widget) || RTGUI_WIDGET_IS_HIDE(widget)) return RT_FALSE;
#ifndef RTGUI_USING_SMALL_SIZE
if (widget->on_key != RT_NULL) widget->on_key(widget, event);
else
#endif
rtgui_textbox_onkey(box, (struct rtgui_event_kbd*)event);
return RT_TRUE;
}
return RT_FALSE;
}
static rt_bool_t rtgui_textbox_onkey(struct rtgui_object *widget, rtgui_event_t *event)
{
rtgui_textbox_t *box = RTGUI_TEXTBOX(widget);
struct rtgui_event_kbd *ekbd = (struct rtgui_event_kbd *)event;
rt_size_t length;
rt_uint16_t posbak = box->position;
RT_ASSERT(box != RT_NULL);
RT_ASSERT(ekbd != RT_NULL);
/* handle the key at down time and nothing to do with up */
if (RTGUI_KBD_IS_UP(ekbd))
return RT_TRUE;
if (box->dis_length == 0)
{
rtgui_rect_t rect;
rtgui_widget_get_rect(RTGUI_WIDGET(box), &rect);
if (box->font_width == 0)
return RT_FALSE;
box->dis_length = ((rtgui_rect_width(rect) - 5) / box->font_width) & ~0x1;
}
length = rt_strlen((char*)box->text);
if (ekbd->key == RTGUIK_DELETE)
{
int chw;
unsigned char *c;
if (TB_ABSPOS(box) == length)
{
goto _exit;
}
chw = _string_char_width((char*)box->text, length, TB_ABSPOS(box)).char_width;
/* remove character */
for (c = &box->text[TB_ABSPOS(box)]; c[chw] != '\0'; c++)
*c = c[chw];
*c = '\0';
}
else if (ekbd->key == RTGUIK_BACKSPACE)
{
/* delete front character */
if (box->position == 0)
{
if(box->first_pos == 0)
goto _exit;
if(box->first_pos > box->dis_length)
{
int head_fix;
int chw = _string_char_width((char*)box->text, length, TB_ABSPOS(box) - 1).char_width;
rt_memmove(box->text + TB_ABSPOS(box) - chw,
box->text + TB_ABSPOS(box),
length - TB_ABSPOS(box) + 1);
head_fix = 0;
/* FIXME: */
if (box->text[box->first_pos - box->dis_length - chw] > 0x80)
{
int i;
for (i = box->first_pos - box->dis_length - chw;
i < box->first_pos;
i++)
{
if (box->text[i] > 0x80)
head_fix++;
else
break;
}
/* if the head is in middle of wide char, move one less
* byte */
head_fix = head_fix % 2;
}
box->first_pos = box->first_pos - box->dis_length
+ head_fix - chw;
box->position = box->dis_length - head_fix;
}
else
{
int chw;
if (box->text[TB_ABSPOS(box) - 1] < 0x80)
{
/* also copy the \0 */
rt_memmove(box->text + TB_ABSPOS(box) - 1,
box->text + TB_ABSPOS(box),
length - TB_ABSPOS(box) + 1);
chw = 1;
}
else
{
rt_memmove(box->text + TB_ABSPOS(box) - 2,
box->text + TB_ABSPOS(box),
length - TB_ABSPOS(box) + 1);
chw = 2;
}
box->position = box->first_pos - chw;
box->first_pos = 0;
}
}
else
{
unsigned char *c;
int chw;
chw = _string_char_width((char*)box->text, length, TB_ABSPOS(box) - 1).char_width;
/* remove character */
for (c = &box->text[TB_ABSPOS(box) - chw]; c[chw] != '\0'; c++)
*c = c[chw];
*c = '\0';
box->position -= chw;
}
}
else if (ekbd->key == RTGUIK_LEFT)
{
int chw;
if (box->first_pos == 0 && box->position == 0)
goto _exit;
if (box->text[TB_ABSPOS(box) - 1] > 0x80)
chw = 2;
else
chw = 1;
/* move to prev */
if (box->position >= chw)
{
box->position -= chw;
}
else
{
if (box->first_pos >= chw)
box->first_pos -= chw;
else
box->first_pos = 0;
}
}
else if (ekbd->key == RTGUIK_RIGHT)
{
int chw;
if ((TB_ABSPOS(box) + 2) <= length &&
box->text[TB_ABSPOS(box)] > 0x80)
chw = 2;
else
chw = 1;
/* move to next */
if (TB_ABSPOS(box) < length)
{
if(box->position + chw <= box->dis_length)
box->position += chw;
else
{
/* always move one wide char when the first char is wide */
if (box->text[box->first_pos] > 0x80)
{
box->first_pos += 2;
if (chw == 2)
{
int i;
int head_fix = 0;
for (i = box->first_pos;
i < box->first_pos + box->dis_length;
i++)
{
if (box->text[i] > 0x80)
head_fix++;
}
head_fix %= 2;
if (head_fix)
{
box->first_pos += 2;
box->position = box->dis_length - 1;
}
}
else if (chw == 1)
/* we have moved the box by 2 bytes but the last one is
* a narrow char */
box->position -= 1;
else
RT_ASSERT(0);
}
else
box->first_pos += chw;
}
}
}
else if (ekbd->key == RTGUIK_HOME)
{
/* move cursor to start */
box->position = 0;
box->first_pos = 0;
}
else if (ekbd->key == RTGUIK_END)
{
/* move cursor to end */
if(length > box->dis_length)
{
box->position = box->dis_length;
box->first_pos = length - box->dis_length;
}
else
{
box->position = length;
box->first_pos = 0;
}
}
else if (ekbd->key == RTGUIK_RETURN)
{
if (box->on_enter != RT_NULL)
{
box->on_enter(box, event);
}
}
else if (ekbd->key == RTGUIK_NUMLOCK)
{
/* change numlock state */
/*
extern void update_number_lock(void);
update_number_lock();
*/
}
else
{
rt_uint16_t chr;
int chw;
if (!(ekbd->unicode || isprint(ekbd->key)))
goto _exit;
if (ekbd->unicode)
{
chr = ekbd->unicode;
chw = 2;
}
else
{
chr = ekbd->key;
chw = 1;
}
if (box->flag & RTGUI_TEXTBOX_DIGIT)
{
/* only input digit */
if (!isdigit(chr))
{
/* exception: '.' and '-' */
if (chr != '.' && chr != '-')return RT_FALSE;
if (chr == '.' && strchr((char*)box->text, '.'))return RT_FALSE;
if (chr == '-')
{
if (length + chw > box->line_length) return RT_FALSE;
if (strchr((char*)box->text, '-'))
{
unsigned char *c;
for (c = &box->text[0]; c != &box->text[length]; c++)
*c = *(c + 1);
box->text[length] = '\0';
box->position --;
goto _exit;
}
else
{
unsigned char *c;
for (c = &box->text[length]; c != &box->text[0]; c--)
*c = *(c - 1);
box->text[0] = '-';
box->text[length + 1] = '\0';
box->position ++;
goto _exit;
}
}
}
}
if (length + chw > box->line_length)
return RT_FALSE;
if (TB_ABSPOS(box) <= length - 1)
{
unsigned char *c;
for (c = &box->text[length + chw - 1];
c != &box->text[TB_ABSPOS(box)];
c -= 1)
*c = *(c - chw);
}
if (chw == 1)
{
box->text[TB_ABSPOS(box)] = chr;
}
else if (chw == 2)
{
box->text[TB_ABSPOS(box)] = chr >> 8;
box->text[TB_ABSPOS(box)+1] = chr & 0xFF;
}
else
{
static rt_bool_t rtgui_textbox_onkey(struct rtgui_object *widget, rtgui_event_t *event)
{
rtgui_textbox_t *box = RTGUI_TEXTBOX(widget);
struct rtgui_event_kbd *ekbd = (struct rtgui_event_kbd *)event;
rt_size_t length;
rt_uint16_t posbak = box->position;
RT_ASSERT(box != RT_NULL);
RT_ASSERT(ekbd != RT_NULL);
/* handle the key at down time and nothing to do with up */
if (RTGUI_KBD_IS_UP(ekbd))
return RT_TRUE;
if (box->dis_length == 0)
{
rtgui_rect_t rect;
rtgui_widget_get_rect(RTGUI_WIDGET(box), &rect);
if (box->font_width == 0)
return RT_FALSE;
box->dis_length = (rtgui_rect_width(rect) - 5) / box->font_width;
}
length = rt_strlen(box->text);
if (ekbd->key == RTGUIK_DELETE)
{
/* delete latter character */
if (box->first_pos + box->position == length - 1)
{
box->text[box->first_pos + box->position] = '\0';
}
else
{
char *c;
/* remove character */
for (c = &box->text[box->first_pos + box->position]; c[1] != '\0'; c++)
*c = c[1];
*c = '\0';
}
}
else if (ekbd->key == RTGUIK_BACKSPACE)
{
/* delete front character */
if (box->position == 0)
{
if(box->first_pos > 0)
{
if(box->first_pos > box->dis_length)
{
box->first_pos -= box->dis_length;
box->position = box->dis_length;
}
else
{
box->position = box->first_pos;
box->first_pos = 0;
}
}
}
else if (box->position == length-box->first_pos)
{
box->text[box->first_pos + box->position - 1] = '\0';
box->position --;
}
else if (box->position != 0)
{
/* remove current character */
if (box->position != 0)
{
char *c;
/* remove character */
for (c = &box->text[box->position - 1]; c[1] != '\0'; c++)
*c = c[1];
*c = '\0';
}
box->position --;
}
}
else if (ekbd->key == RTGUIK_LEFT)
{
/* move to prev */
if (box->position > 0)
{
box->position --;
}
else
{
if(box->first_pos > 0)
box->first_pos -= 1;//DEBUG
}
}
else if (ekbd->key == RTGUIK_RIGHT)
{
/* move to next */
if (box->first_pos + box->position < length)
{
if(box->position < box->dis_length)
box->position ++;
else
box->first_pos += 1;//DEBUG
}
}
else if (ekbd->key == RTGUIK_HOME)
{
/* move cursor to start */
box->position = 0;
box->first_pos = 0;
}
else if (ekbd->key == RTGUIK_END)
{
/* move cursor to end */
if(length > box->dis_length)
{
box->position = box->dis_length;
box->first_pos = length - box->dis_length;
}
else
{
box->position = length;
box->first_pos = 0;
}
}
else if (ekbd->key == RTGUIK_RETURN)
{
if (box->on_enter != RT_NULL)
{
box->on_enter(box, event);
}
}
else if (ekbd->key == RTGUIK_NUMLOCK)
{
/* change numlock state */
/*
extern void update_number_lock(void);
update_number_lock();
*/
}
else
{
if (isprint(ekbd->key))
{
/* it's may print character */
/* no buffer on this line */
if (box->flag & RTGUI_TEXTBOX_DIGIT)
{
/* only input digit */
if (!isdigit(ekbd->key))
{
/* exception: '.' and '-' */
if (ekbd->key != '.' && ekbd->key != '-')return RT_FALSE;
if (ekbd->key == '.' && strchr(box->text, '.'))return RT_FALSE;
if (ekbd->key == '-')
{
if (length + 1 > box->line_length) return RT_FALSE;
if (strchr(box->text, '-'))
{
char *c;
for (c = &box->text[0]; c != &box->text[length]; c++)
*c = *(c + 1);
box->text[length] = '\0';
box->position --;
goto _exit;
}
else
{
char *c;
for (c = &box->text[length]; c != &box->text[0]; c--)
*c = *(c - 1);
box->text[0] = '-';
box->text[length + 1] = '\0';
box->position ++;
goto _exit;
}
}
}
}
if (length + 1 > box->line_length) return RT_FALSE;
if (box->first_pos + box->position <= length - 1)
{
char *c;
for (c = &box->text[length]; c != &box->text[box->first_pos + box->position]; c--)
*c = *(c - 1);
box->text[length + 1] = '\0';
}
box->text[box->first_pos + box->position] = ekbd->key;
if(box->position < box->dis_length)
box->position ++;
else
box->first_pos ++;
}
}
_exit:
if (box->flag & RTGUI_TEXTBOX_CARET_SHOW)
{
if (box->caret_timer != RT_NULL)
rtgui_timer_stop(box->caret_timer);
box->flag &= ~RTGUI_TEXTBOX_CARET_SHOW;
rtgui_textbox_draw_caret(box, posbak);/* refresh it */
if (box->caret_timer != RT_NULL)
rtgui_timer_start(box->caret_timer);
}
/* re-draw text box */
rtgui_textbox_ondraw(box);
rtgui_textbox_init_caret(box, box->position);
box->flag |= RTGUI_TEXTBOX_CARET_SHOW;
rtgui_textbox_draw_caret(box, box->position);
return RT_TRUE;
}
