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[XCB] Try to correct for rotated monitors.

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This commit is contained in:
Dave Davenport 2022-07-08 22:04:06 +02:00
parent 4d8f733033
commit f3634d4ff3
1 changed files with 19 additions and 0 deletions
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19
source/xcb.c
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@ -426,6 +426,23 @@ static void x11_monitors_free(void) {
}
}
/**
* Quick function that tries to fix the size (for dpi calculation)
* when monitor is rotate. This assumes the density is kinda equal in both X/Y
* direction.
*/
static void x11_workarea_fix_rotation(workarea *w) {
double ratio_res = w->w / (double)w->h;
double ratio_size = w->mw / (double)w->mh;
if ((ratio_res < 1.0 && ratio_size > 1.0) ||
(ratio_res > 1.0 && ratio_size < 1.0)) {
// Oposite ratios, swap them.
int nh = w->mw;
w->mw = w->mh;
w->mh = nh;
}
}
/**
* Create monitor based on output id
*/
@ -454,6 +471,7 @@ static workarea *x11_get_monitor_from_output(xcb_randr_output_t out) {
retv->mw = op_reply->mm_width;
retv->mh = op_reply->mm_height;
x11_workarea_fix_rotation(retv);
char *tname = (char *)xcb_randr_get_output_info_name(op_reply);
int tname_len = xcb_randr_get_output_info_name_length(op_reply);
@ -504,6 +522,7 @@ x11_get_monitor_from_randr_monitor(xcb_randr_monitor_info_t *mon) {
// Physical
retv->mw = mon->width_in_millimeters;
retv->mh = mon->height_in_millimeters;
x11_workarea_fix_rotation(retv);
// Name
retv->name =