rt-thread-official/components/rtgui/widgets/progressbar.c

105 lines
2.3 KiB
C

#include <rtgui/dc.h>
#include <rtgui/rtgui_theme.h>
#include <rtgui/widgets/progressbar.h>
#define RTGUI_PROGRESSBAR_DEFAULT_RANGE 100
static void _rtgui_progressbar_constructor(rtgui_progressbar_t *bar)
{
rtgui_rect_t rect = {0, 0, DEFAULT_WIDTH, DEFAULT_HEIGHT};
rtgui_object_set_event_handler(RTGUI_OBJECT(bar), rtgui_progressbar_event_handler);
rtgui_widget_set_rect(RTGUI_WIDGET(bar), &rect);
bar->orient = RTGUI_HORIZONTAL;
bar->range = RTGUI_PROGRESSBAR_DEFAULT_RANGE;
bar->position = 0;
/* set gc */
RTGUI_WIDGET_TEXTALIGN(RTGUI_WIDGET(bar)) = RTGUI_ALIGN_CENTER_HORIZONTAL | RTGUI_ALIGN_CENTER_VERTICAL;
}
DEFINE_CLASS_TYPE(progressbar, "progressbar",
RTGUI_WIDGET_TYPE,
_rtgui_progressbar_constructor,
RT_NULL,
sizeof(struct rtgui_progressbar));
rt_bool_t rtgui_progressbar_event_handler(struct rtgui_object* object,
struct rtgui_event* event)
{
struct rtgui_progressbar* bar;
RTGUI_WIDGET_EVENT_HANDLER_PREPARE
bar = RTGUI_PROGRESSBAR(object);
switch (event->type)
{
case RTGUI_EVENT_PAINT:
rtgui_theme_draw_progressbar(bar);
break;
}
return RT_FALSE;
}
struct rtgui_progressbar* rtgui_progressbar_create(int orientation, int range,
rtgui_rect_t* r)
{
struct rtgui_progressbar* bar;
bar = (struct rtgui_progressbar*) rtgui_widget_create (RTGUI_PROGRESSBAR_TYPE);
if (bar != RT_NULL)
{
if (r != RT_NULL)
rtgui_widget_set_rect(RTGUI_WIDGET(bar), r);
bar->orient = orientation;
bar->range = range;
}
return bar;
}
void rtgui_progressbar_destroy(struct rtgui_progressbar* bar)
{
rtgui_widget_destroy(RTGUI_WIDGET(bar));
}
void rtgui_progressbar_set_value(struct rtgui_progressbar *bar, int value)
{
RT_ASSERT(bar != RT_NULL);
if (!RTGUI_WIDGET_IS_ENABLE(RTGUI_WIDGET(bar))) return;
bar->position = value;
rtgui_theme_draw_progressbar(bar);
return;
}
int rtgui_progressbar_get_value(struct rtgui_progressbar *bar)
{
RT_ASSERT(bar != RT_NULL);
return bar->position;
}
void rtgui_progressbar_set_range(struct rtgui_progressbar *bar, int range)
{
RT_ASSERT(bar != RT_NULL);
bar->range = range;
rtgui_theme_draw_progressbar(bar);
return;
}
int rtgui_progressbar_get_range(struct rtgui_progressbar *bar)
{
RT_ASSERT(bar != RT_NULL);
return bar->range;
}