static void rtgui_textbox_onmouse(rtgui_textbox_t *box, struct rtgui_event_mouse *event) { rt_size_t length; rt_uint16_t posbak = box->position; RT_ASSERT(box != RT_NULL); RT_ASSERT(event != RT_NULL); length = rt_strlen((char*)box->text); if (event->button & RTGUI_MOUSE_BUTTON_LEFT && event->button & RTGUI_MOUSE_BUTTON_DOWN) { rt_int32_t x; /* single line text */ /* set caret position */ x = event->x - RTGUI_WIDGET(box)->extent.x1; if (x < 0) { box->position = 0; } else if (x > (length - box->first_pos) * box->font_width) { box->position = length - box->first_pos; } else { box->position = x / box->font_width; } 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); if (box->caret_timer != RT_NULL) rtgui_timer_start(box->caret_timer); } rtgui_textbox_init_caret(box, box->position); box->flag |= RTGUI_TEXTBOX_CARET_SHOW; rtgui_textbox_draw_caret(box, box->position); } }
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 *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; }
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; }