| LibGII API Manual | ||
|---|---|---|
| Prev | Chapter 5. Event Structures | |
If an application loses the focus and is not physically displayed (e.g. console switching, iconifying), it may be stopped. Some targets may implement a backbuffer and allow continuing, though.
After reactivation, the application will receive a redraw event, evExpose. This is its structure, describing the region which needs to be redrawn:
typedef struct gii_expose_event {
COMMON_DATA;
uint32 x,y;
uint32 h,w;
} gii_expose_event;
Example 5-1. How to use
ggi_event ev;
/* ... wait and get the event... */
if (ev.any.type == evExpose) {
/* redraw part of screen... */
redraw_screen(ev.expose.x, ev.expose.y,
ev.expose.w, ev.expose.h);
}
/* ... etc ... */