#include #include #include static void _rtgui_checkbox_constructor(rtgui_checkbox_t *box) { /* init widget and set event handler */ RTGUI_WIDGET(box)->flag |= RTGUI_WIDGET_FLAG_FOCUSABLE; rtgui_widget_set_event_handler(RTGUI_WIDGET(box), rtgui_checkbox_event_handler); /* set status */ box->status_down = RTGUI_CHECKBOX_STATUS_UNCHECKED; /* set default gc */ RTGUI_WIDGET_TEXTALIGN(RTGUI_WIDGET(box)) = RTGUI_ALIGN_LEFT | RTGUI_ALIGN_CENTER_VERTICAL; } rtgui_type_t *rtgui_checkbox_type_get(void) { static rtgui_type_t *checkbox_type = RT_NULL; if (!checkbox_type) { checkbox_type = rtgui_type_create("checkbox", RTGUI_LABEL_TYPE, sizeof(rtgui_checkbox_t), RTGUI_CONSTRUCTOR(_rtgui_checkbox_constructor), RT_NULL); } return checkbox_type; } rt_bool_t rtgui_checkbox_event_handler(struct rtgui_widget* widget, struct rtgui_event* event) { struct rtgui_checkbox* box = (struct rtgui_checkbox*)widget; switch (event->type) { case RTGUI_EVENT_PAINT: #ifndef RTGUI_USING_SMALL_SIZE if (widget->on_draw != RT_NULL) { return widget->on_draw(widget, event); } else #endif rtgui_theme_draw_checkbox(box); break; case RTGUI_EVENT_MOUSE_BUTTON: { if (RTGUI_WIDGET_IS_ENABLE(widget) && !RTGUI_WIDGET_IS_HIDE(widget)) { struct rtgui_event_mouse* emouse = (struct rtgui_event_mouse*)event; if (emouse->button & RTGUI_MOUSE_BUTTON_LEFT && emouse->button & RTGUI_MOUSE_BUTTON_UP) { /* set focus */ RTGUI_WIDGET_FOCUS(widget); if (box->status_down & RTGUI_CHECKBOX_STATUS_UNCHECKED) { /* check it */ box->status_down = RTGUI_CHECKBOX_STATUS_CHECKED; } else { /* un-check it */ box->status_down = RTGUI_CHECKBOX_STATUS_UNCHECKED; } } /* draw checkbox */ rtgui_theme_draw_checkbox(box); #ifndef RTGUI_USING_SMALL_SIZE /* call user callback */ if (widget->on_mouseclick != RT_NULL) { return widget->on_mouseclick(widget, event); } #endif } return RT_TRUE; } } return RT_FALSE; } struct rtgui_checkbox* rtgui_checkbox_create(unsigned char* text) { struct rtgui_checkbox* box; box = (struct rtgui_checkbox*) rtgui_widget_create (RTGUI_CHECKBOX_TYPE); if (box != RT_NULL) { rtgui_rect_t rect; /* set default rect */ rtgui_font_get_metrics(rtgui_font_default(), text, &rect); rect.x2 += RTGUI_BORDER_DEFAULT_WIDTH + 5 + (RTGUI_BORDER_DEFAULT_WIDTH << 1); rect.y2 += (RTGUI_BORDER_DEFAULT_WIDTH << 1); rtgui_widget_set_rect(RTGUI_WIDGET(box), &rect); rtgui_label_set_text(RTGUI_LABEL(box), text); } return box; } void rtgui_checkbox_destroy(rtgui_checkbox_t* box) { rtgui_widget_destroy(RTGUI_WIDGET(box)); }