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Bug fix #137: Auto-detect screen changes 

Attempt to auto-detect screen changes to address the issue reported by
Feltzer.
This commit is contained in:
Richard Grenville 2013-08-28 21:47:16 +08:00
parent 5d4ed8f43f
commit 4600f435dd
2 changed files with 17 additions and 10 deletions
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24
src/compton.c
View File

@ -4114,12 +4114,15 @@ ev_shape_notify(session_t *ps, XShapeEvent *ev) {
static void
ev_screen_change_notify(session_t *ps,
XRRScreenChangeNotifyEvent __attribute__((unused)) *ev) {
if (!ps->o.refresh_rate) {
if (ps->o.xinerama_shadow_crop)
cxinerama_upd_scrs(ps);
if (ps->o.sw_opti && !ps->o.refresh_rate) {
update_refresh_rate(ps);
if (!ps->refresh_rate) {
fprintf(stderr, "ev_screen_change_notify(): Refresh rate detection "
"failed, software VSync disabled.");
ps->o.vsync = VSYNC_NONE;
"failed, --sw-opti disabled.");
ps->o.sw_opti = false;
}
}
}
@ -5714,11 +5717,6 @@ swopti_init(session_t *ps) {
if (!ps->refresh_rate)
return false;
// Monitor screen changes only if vsync_sw is enabled and we are using
// an auto-detected refresh rate
if (ps->randr_exists && !ps->o.refresh_rate)
XRRSelectInput(ps->dpy, ps->root, RRScreenChangeNotify);
return true;
}
@ -6710,11 +6708,11 @@ session_init(session_t *ps_old, int argc, char **argv) {
get_cfg(ps, argc, argv, false);
// Query X RandR
if (ps->o.sw_opti && !ps->o.refresh_rate) {
if ((ps->o.sw_opti && !ps->o.refresh_rate) || ps->o.xinerama_shadow_crop) {
if (XRRQueryExtension(ps->dpy, &ps->randr_event, &ps->randr_error))
ps->randr_exists = true;
else
printf_errf("(): No XRandR extension, automatic refresh rate "
printf_errf("(): No XRandR extension, automatic screen change "
"detection impossible.");
}
@ -6775,6 +6773,12 @@ session_init(session_t *ps_old, int argc, char **argv) {
if (ps->o.sw_opti)
ps->o.sw_opti = swopti_init(ps);
// Monitor screen changes if vsync_sw is enabled and we are using
// an auto-detected refresh rate, or when Xinerama features are enabled
if (ps->randr_exists && ((ps->o.sw_opti && !ps->o.refresh_rate)
|| ps->o.xinerama_shadow_crop))
XRRSelectInput(ps->dpy, ps->root, RRScreenChangeNotifyMask);
// Initialize VSync
if (!vsync_init(ps))
exit(1);

3
src/compton.h
View File

@ -1233,6 +1233,9 @@ cxinerama_win_upd_scr(session_t *ps, win *w) {
#endif
}
static void
cxinerama_upd_scrs(session_t *ps);
static session_t *
session_init(session_t *ps_old, int argc, char **argv);