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Started implementing event reduction.

This commit is contained in:
Eric Pouech 2002-03-23 18:45:57 +00:00 committed by Alexandre Julliard
parent 7e00f87470
commit ead221211f
1 changed files with 39 additions and 2 deletions
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41
programs/wineconsole/wineconsole.c
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@ -196,8 +196,8 @@ BOOL WINECON_GetConsoleTitle(HANDLE hConIn, WCHAR* buffer, size_t len)
*/
int WINECON_GrabChanges(struct inner_data* data)
{
struct console_renderer_event evts[16];
int i, num;
struct console_renderer_event evts[256];
int i, num, curs = -1;
HANDLE h;
SERVER_START_REQ( get_console_renderer_events )
@ -211,6 +211,43 @@ int WINECON_GrabChanges(struct inner_data* data)
if (!num) {Trace(0, "hmm renderer signaled but no events available\n"); return 1;}
/* FIXME: should do some event compression here (cursor pos, update) */
/* step 1: keep only last cursor pos event */
for (i = num - 1; i >= 0; i--)
{
if (evts[i].event == CONSOLE_RENDERER_CURSOR_POS_EVENT)
{
if (curs == -1)
curs = i;
else
{
memmove(&evts[i], &evts[i+1], (num - i - 1) * sizeof(evts[0]));
num--;
}
}
}
/* step 2: manage update events */
for (i = 0; i < num - 1; i++)
{
if (evts[i].event == CONSOLE_RENDERER_UPDATE_EVENT &&
evts[i+1].event == CONSOLE_RENDERER_UPDATE_EVENT)
{
/* contiguous */
if (evts[i].u.update.bottom + 1 == evts[i+1].u.update.top)
{
evts[i].u.update.bottom = evts[i+1].u.update.bottom;
memmove(&evts[i+1], &evts[i+2], (num - i - 2) * sizeof(evts[0]));
num--; i--;
}
/* already handled cases */
else if (evts[i].u.update.top <= evts[i+1].u.update.top &&
evts[i].u.update.bottom >= evts[i+1].u.update.bottom)
{
memmove(&evts[i+1], &evts[i+2], (num - i - 2) * sizeof(evts[0]));
num--; i--;
}
}
}
Trace(1, "Change notification:");
for (i = 0; i < num; i++)
{