rt-thread/examples/gui/demo_view_progressbar.c

104 lines
2.8 KiB
C

#include "demo_view.h"
#include <rtgui/rtgui_system.h>
#include <rtgui/widgets/label.h>
#include <rtgui/widgets/progressbar.h>
static rtgui_progressbar_t *hbar;
static rtgui_progressbar_t *vbar;
static rtgui_timer_t *bar_timer = RT_NULL;
void progressbar_timeout(struct rtgui_timer *timer, void *parameter)
{
static rt_uint32_t value = 0;
value++;
if (value == 100)
value = 0;
rtgui_progressbar_set_value(hbar, value);
rtgui_progressbar_set_value(vbar, value);
}
static rt_bool_t start_timer(struct rtgui_object *object, struct rtgui_event *event)
{
if (bar_timer != RT_NULL)
rtgui_timer_start(bar_timer);
return RT_TRUE;
}
static rt_bool_t stop_timer(struct rtgui_object *object, struct rtgui_event *event)
{
if (bar_timer != RT_NULL)
rtgui_timer_stop(bar_timer);
return RT_TRUE;
}
static rt_bool_t progressbar_event_handler(struct rtgui_object *object, rtgui_event_t *event)
{
struct rtgui_widget *widget = RTGUI_WIDGET(object);
if (event->type == RTGUI_EVENT_SHOW)
{
rtgui_container_event_handler(object, event);
start_timer(object, event);
}
else if (event->type == RTGUI_EVENT_HIDE)
{
rtgui_container_event_handler(object, event);
stop_timer(object, event);
}
else
{
/* 调用默认的事件处理函数 */
return rtgui_progressbar_event_handler(object, event);
}
return RT_FALSE;
}
rtgui_container_t *demo_view_progressbar(void)
{
rtgui_container_t *container;
rtgui_rect_t rect;
rtgui_label_t *label;
/* create a demo container */
container = demo_view("ProgressBar View");
/* get demo container rect */
demo_view_get_rect(container, &rect);
label = rtgui_label_create("水平进度条:");
rtgui_container_add_child(container, RTGUI_WIDGET(label));
rect.x1 += 5;
rect.x2 -= 5;
rect.y1 += 5;
rect.y2 = rect.y1 + 18;
rtgui_widget_set_rect(RTGUI_WIDGET(label), &rect);
rect.y1 += 20;
rect.y2 = rect.y1 + 18;
hbar = rtgui_progressbar_create(RTGUI_HORIZONTAL, 100, &rect);
rtgui_container_add_child(container, RTGUI_WIDGET(hbar));
/* get demo container rect */
demo_view_get_rect(container, &rect);
label = rtgui_label_create("垂直进度条:");
rtgui_container_add_child(container, RTGUI_WIDGET(label));
rect.x1 += 5;
rect.x2 -= 5;
rect.y1 += 45;
rect.y2 = rect.y1 + 18;
rtgui_widget_set_rect(RTGUI_WIDGET(label), &rect);
rect.x1 += 110;
rect.x2 = rect.x1 + 20;
rect.y1 += 18 + 5;
rect.y2 = rect.y1 + 150;
vbar = rtgui_progressbar_create(RTGUI_VERTICAL, 100, &rect);
rtgui_container_add_child(container, RTGUI_WIDGET(vbar));
bar_timer = rtgui_timer_create(50, RT_TIMER_FLAG_PERIODIC,
progressbar_timeout, RT_NULL);
return container;
}