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Bugfix: Fix clone mode with new RandR code (Thanks Merovius)

This commit is contained in:
Michael Stapelberg 2010-03-05 14:32:48 +01:00
parent d73f1748db
commit 718d62a3cd
3 changed files with 65 additions and 26 deletions
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5
include/data.h
View File

@ -513,6 +513,11 @@ struct xoutput {
* mode) */
bool active;
/** Internal flags, necessary for querying RandR screens (happens in
* two stages) */
bool changed;
bool to_be_disabled;
/** Current workspace selected on this virtual screen */
Workspace *current_workspace;

79
src/randr.c
View File

@ -270,14 +270,14 @@ static void output_change_mode(xcb_connection_t *conn, Output *output) {
/*
* Gets called by randr_query_screens() for each output. The function adds new
* outputs to the list of outputs, checks if the mode of existing outputs has
* been changed or if an existing output has been disabled.
* been changed or if an existing output has been disabled. It will then change
* either the "changed" or the "to_be_deleted" flag of the output, if
* appropriate.
*
*/
static void handle_output(xcb_connection_t *conn, xcb_randr_output_t id,
xcb_randr_get_output_info_reply_t *output,
xcb_timestamp_t cts, resources_reply *res) {
Workspace *ws;
/* each CRT controller has a position in which we are interested in */
crtc_info *crtc;
@ -303,15 +303,7 @@ static void handle_output(xcb_connection_t *conn, xcb_randr_output_t id,
if (!existing)
TAILQ_INSERT_TAIL(&outputs, new, outputs);
else if (new->active) {
new->active = false;
new->current_workspace = NULL;
DLOG("Output %s disabled (no CRTC)\n", new->name);
TAILQ_FOREACH(ws, workspaces, workspaces) {
if (ws->output != new)
continue;
workspace_assign_to(ws, get_first_output());
}
new->to_be_disabled = true;
}
free(output);
@ -348,7 +340,7 @@ static void handle_output(xcb_connection_t *conn, xcb_randr_output_t id,
return;
}
output_change_mode(conn, new);
new->changed = true;
}
/*
@ -356,6 +348,7 @@ static void handle_output(xcb_connection_t *conn, xcb_randr_output_t id,
*
*/
void randr_query_screens(xcb_connection_t *conn) {
Workspace *ws;
xcb_randr_get_screen_resources_current_cookie_t rcookie;
resources_reply *res;
/* timestamp of the configuration so that we get consistent replies to all
@ -380,8 +373,9 @@ void randr_query_screens(xcb_connection_t *conn) {
ocookie[i] = xcb_randr_get_output_info(conn, randr_outputs[i], cts);
/* Loop through all outputs available for this X11 screen */
xcb_randr_get_output_info_reply_t *output;
for (int i = 0; i < len; i++) {
xcb_randr_get_output_info_reply_t *output;
if ((output = xcb_randr_get_output_info_reply(conn, ocookie[i], NULL)) == NULL)
continue;
@ -390,15 +384,17 @@ void randr_query_screens(xcb_connection_t *conn) {
free(res);
Output *screen, *oscreen;
/* Check for clones and reduce the mode to the lowest common mode */
/* Check for clones and reduce the mode to the lowest common mode */
TAILQ_FOREACH(screen, &outputs, outputs) {
if (!screen->active)
if (!screen->active || screen->to_be_disabled)
continue;
DLOG("screen %p, position (%d, %d), checking for clones\n",
screen, screen->rect.x, screen->rect.y);
TAILQ_FOREACH(oscreen, &outputs, outputs) {
if (oscreen == screen || !oscreen->active)
for (oscreen = screen;
oscreen != TAILQ_END(&outputs);
oscreen = TAILQ_NEXT(oscreen, outputs)) {
if (oscreen == screen || !oscreen->active || oscreen->to_be_disabled)
continue;
if (oscreen->rect.x != screen->rect.x ||
@ -412,12 +408,13 @@ void randr_query_screens(xcb_connection_t *conn) {
if (update_if_necessary(&(screen->rect.width), width) |
update_if_necessary(&(screen->rect.height), height))
output_change_mode(conn, screen);
screen->changed = true;
if (update_if_necessary(&(oscreen->rect.width), width) |
update_if_necessary(&(oscreen->rect.height), height))
output_change_mode(conn, oscreen);
update_if_necessary(&(oscreen->rect.width), width);
update_if_necessary(&(oscreen->rect.height), height);
DLOG("disabling screen %p (%s)\n", oscreen, oscreen->name);
oscreen->to_be_disabled = true;
DLOG("new screen mode %d x %d, oscreen mode %d x %d\n",
screen->rect.width, screen->rect.height,
@ -425,13 +422,49 @@ void randr_query_screens(xcb_connection_t *conn) {
}
}
Output *output, *first;
TAILQ_FOREACH(output, &outputs, outputs) {
if (output->to_be_disabled) {
output->active = false;
DLOG("Output %s disabled, re-assigning workspaces/docks\n", output->name);
if ((first = get_first_output()) == NULL)
die("No usable outputs available\n");
bool needs_init = (first->current_workspace == NULL);
TAILQ_FOREACH(ws, workspaces, workspaces) {
if (ws->output != output)
continue;
workspace_assign_to(ws, first);
if (!needs_init)
continue;
initialize_output(conn, first, ws);
needs_init = false;
}
Client *dock;
while (!SLIST_EMPTY(&(output->dock_clients))) {
dock = SLIST_FIRST(&(output->dock_clients));
SLIST_INSERT_HEAD(&(first->dock_clients), dock, dock_clients);
SLIST_REMOVE_HEAD(&(output->dock_clients), dock_clients);
}
output->current_workspace = NULL;
output->to_be_disabled = false;
} else if (output->changed) {
output_change_mode(conn, output);
output->changed = false;
}
}
ewmh_update_workarea();
/* Just go through each active output and associate one workspace */
TAILQ_FOREACH(screen, &outputs, outputs) {
if (!screen->active || screen->current_workspace != NULL)
continue;
Workspace *ws = get_first_workspace_for_screen(screen);
ws = get_first_workspace_for_screen(screen);
initialize_output(conn, screen, ws);
}

7
src/workspace.c
View File

@ -207,6 +207,7 @@ void workspace_show(xcb_connection_t *conn, int workspace) {
void workspace_assign_to(Workspace *ws, Output *output) {
Client *client;
bool empty = true;
bool visible = workspace_is_visible(ws);
ws->output = output;
@ -228,14 +229,14 @@ void workspace_assign_to(Workspace *ws, Output *output) {
render_workspace(global_conn, output, ws);
/* …unless we want to see them at the moment, we should hide that workspace */
if (workspace_is_visible(ws))
if (visible)
return;
workspace_unmap_clients(global_conn, ws);
if (c_ws == ws) {
DLOG("Need to adjust c_ws...\n");
c_ws = output->current_workspace;
DLOG("Need to adjust output->current_workspace...\n");
output->current_workspace = c_ws;
}
}