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