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Fix crash when disabling focused mon 

m->link.next leads to errors if the monitor to disable doesn't have a
"next" (right) monitor and is currently focused. dirtmon() does more
checks.

In some previous commits m->link.next is told to be left monitor, which
is wrong

Also focusclient() explicitly checks for disabled monitors (this fixes
in case of more than one disabled monitor)
main
Stivvo 2020-10-31 12:43:07 +01:00
parent 60a63b637c
commit 25671d7905
1 changed files with 14 additions and 4 deletions
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18
dwl.c
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@ -1459,16 +1459,26 @@ outputmgrapplyortest(struct wlr_output_configuration_v1 *config, bool test)
{
struct wlr_output_configuration_head_v1 *config_head;
bool ok = true;
Arg ar = {.i = -1};
wl_list_for_each(config_head, &config->heads, link) {
struct wlr_output *wlr_output = config_head->state.output;
Monitor *m, *newmon;
if (!config_head->state.enabled) {
wl_list_for_each(m, &mons, link) {
if (m->wlr_output->name == wlr_output->name) {
// make sure that the monitor to clean is focused
selmon = m;
focusclient(selclient(), focustop(selmon), 1);
// focus the left monitor (relative to the current focus)
focusmon(&ar);
closemon(m, wl_container_of(&selmon->link, newmon, link));
}
}
}
wlr_output_enable(wlr_output, config_head->state.enabled);
if (!config_head->state.enabled)
wl_list_for_each(m, &mons, link)
if (m->wlr_output->name == wlr_output->name)
closemon(m, wl_container_of(m->link.next, newmon, link));
if (config_head->state.enabled) {
if (config_head->state.mode)