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randr: use effective CRTC width/height, not its mode (Thanks moemoe) 

This fixes setups which use panning and cloning.
This commit is contained in:
Michael Stapelberg 2010-03-17 15:56:26 +01:00
parent a604af6340
commit 1680071555
1 changed files with 5 additions and 28 deletions
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33
src/randr.c
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@ -215,24 +215,6 @@ void disable_randr(xcb_connection_t *conn) {
randr_disabled = true;
}
/*
* Searches for a mode in the current RandR configuration by the mode id.
* Returns NULL if no such mode could be found (should never happen).
*
*/
static mode_info *get_mode_by_id(resources_reply *reply, xcb_randr_mode_t mode) {
xcb_randr_mode_info_iterator_t it;
for (it = xcb_randr_get_screen_resources_current_modes_iterator(reply);
it.rem > 0;
xcb_randr_mode_info_next(&it)) {
if (it.data->id == mode)
return it.data;
}
return NULL;
}
/*
* This function needs to be called when changing the mode of an output when
* it already has some workspaces (or a bar window) assigned.
@ -296,10 +278,6 @@ static void handle_output(xcb_connection_t *conn, xcb_randr_output_t id,
/* each CRT controller has a position in which we are interested in */
crtc_info *crtc;
/* the CRTC runs in a specific mode, while the position is stored in
* the output itself */
mode_info *mode;
Output *new = get_output_by_id(id);
bool existing = (new != NULL);
if (!existing)
@ -327,10 +305,9 @@ static void handle_output(xcb_connection_t *conn, xcb_randr_output_t id,
xcb_randr_get_crtc_info_cookie_t icookie;
icookie = xcb_randr_get_crtc_info(conn, output->crtc, cts);
if ((crtc = xcb_randr_get_crtc_info_reply(conn, icookie, NULL)) == NULL ||
(mode = get_mode_by_id(res, crtc->mode)) == NULL) {
DLOG("Skipping output %s: could not get CRTC/mode (%p/%p)\n",
new->name, crtc, mode);
if ((crtc = xcb_randr_get_crtc_info_reply(conn, icookie, NULL)) == NULL) {
DLOG("Skipping output %s: could not get CRTC (%p)\n",
new->name, crtc);
free(new);
free(output);
return;
@ -339,8 +316,8 @@ static void handle_output(xcb_connection_t *conn, xcb_randr_output_t id,
new->active = true;
bool updated = update_if_necessary(&(new->rect.x), crtc->x) |
update_if_necessary(&(new->rect.y), crtc->y) |
update_if_necessary(&(new->rect.width), mode->width) |
update_if_necessary(&(new->rect.height), mode->height);
update_if_necessary(&(new->rect.width), crtc->width) |
update_if_necessary(&(new->rect.height), crtc->height);
DLOG("mode: %dx%d+%d+%d\n", new->rect.width, new->rect.height,
new->rect.x, new->rect.y);