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Update screen geometry and outputs on changes 

Signed-off-by: Uli Schlachter <psychon@znc.in>
This commit is contained in:
Uli Schlachter 2016-04-16 17:37:04 +02:00
parent 66ad236d2e
commit 8ca65cbc26
1 changed files with 43 additions and 0 deletions
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43
objects/screen.c
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@ -524,6 +524,41 @@ screen_removed(lua_State *L, int sidx)
}
}
static void
screen_modified(screen_t *existing_screen, screen_t *other_screen)
{
lua_State *L = globalconf_get_lua_State();
if(!AREA_EQUAL(existing_screen->geometry, other_screen->geometry)) {
existing_screen->geometry = other_screen->geometry;
luaA_object_push(L, existing_screen);
luaA_object_emit_signal(L, -1, "property::geometry", 0);
luaA_object_emit_signal(L, -1, "property::workarea", 0);
lua_pop(L, 1);
}
bool outputs_changed = existing_screen->outputs.len != other_screen->outputs.len;
if(!outputs_changed)
for(int i = 0; i < existing_screen->outputs.len; i++) {
screen_output_t *existing_output = &existing_screen->outputs.tab[i];
screen_output_t *other_output = &other_screen->outputs.tab[i];
outputs_changed |= existing_output->mm_width != other_output->mm_width;
outputs_changed |= existing_output->mm_height != other_output->mm_height;
outputs_changed |= A_STRNEQ(existing_output->name, other_output->name);
}
/* Brute-force update the outputs by swapping */
screen_output_array_t tmp = other_screen->outputs;
other_screen->outputs = existing_screen->outputs;
existing_screen->outputs = tmp;
if(outputs_changed) {
luaA_object_push(L, existing_screen);
luaA_object_emit_signal(L, -1, "property::outputs", 0);
lua_pop(L, 1);
}
}
void
screen_refresh(void)
{
@ -576,6 +611,12 @@ screen_refresh(void)
}
}
/* Update changed screens */
foreach(existing_screen, globalconf.screens)
foreach(new_screen, new_screens)
if((*existing_screen)->xid == (*new_screen)->xid)
screen_modified(*existing_screen, *new_screen);
foreach(screen, new_screens)
luaA_object_unref(L, *screen);
screen_array_wipe(&new_screens);
@ -1019,6 +1060,8 @@ screen_class_setup(lua_State *L)
NULL);
signal_add(&screen_class.signals, "property::workarea");
signal_add(&screen_class.signals, "property::geometry");
signal_add(&screen_class.signals, "property::outputs");
/**
* @signal .primary_changed
*/