rt-thread/rtgui/widgets/progressbar.c

115 lines
2.6 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_widget_set_event_handler(RTGUI_WIDGET(bar), rtgui_progressbar_event_handler);
rtgui_widget_set_rect(RTGUI_WIDGET(bar), &rect);
bar->orientation = 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;
}
rtgui_type_t *rtgui_progressbar_type_get(void)
{
static rtgui_type_t *progressbar_type = RT_NULL;
if (!progressbar_type)
{
progressbar_type = rtgui_type_create("progressbar", RTGUI_WIDGET_TYPE,
sizeof(rtgui_progressbar_t), RTGUI_CONSTRUCTOR(_rtgui_progressbar_constructor), RT_NULL);
}
return progressbar_type;
}
rt_bool_t rtgui_progressbar_event_handler(struct rtgui_widget* widget,
struct rtgui_event* event)
{
struct rtgui_progressbar* bar = (struct rtgui_progressbar*)widget;
switch (event->type)
{
case RTGUI_EVENT_PAINT:
#ifndef RTGUI_USING_SMALL_SIZE
if (widget->on_draw != RT_NULL) widget->on_draw(widget, event);
else
#endif
{
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->orientation = 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);
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;
}