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Make multi-monitor CM work better with xiccd

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Let's assume the profile it picks is appropriate for all monitors.
This commit is contained in:
Přemysl Eric Janouch 2023-10-17 14:37:48 +02:00
parent 72bf913f3d
commit b07fba0c9c
Signed by: p
GPG Key ID: A0420B94F92B9493
1 changed files with 24 additions and 14 deletions
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38
fiv-view.c
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@ -459,6 +459,26 @@ out:
//
// Note that Wayland does not have any appropriate protocol, as of writing:
// https://gitlab.freedesktop.org/wayland/wayland-protocols/-/merge_requests/14
static FivIoProfile
monitor_cms_profile(GdkWindow *root, int num)
{
char atom[32] = "";
g_snprintf(atom, sizeof atom, "_ICC_PROFILE%c%d", num ? '_' : '\0', num);
// Sadly, there is no nice GTK+/GDK mechanism to watch this for changes.
int format = 0, length = 0;
GdkAtom type = GDK_NONE;
guchar *data = NULL;
FivIoProfile result = NULL;
if (gdk_property_get(root, gdk_atom_intern(atom, FALSE), GDK_NONE, 0,
8 << 20 /* MiB */, FALSE, &type, &format, &length, &data)) {
if (format == 8 && length > 0)
result = fiv_io_profile_new(data, length);
g_free(data);
}
return result;
}
static void
reload_screen_cms_profile(FivView *self, GdkWindow *window)
{
@ -488,6 +508,7 @@ reload_screen_cms_profile(FivView *self, GdkWindow *window)
GdkDisplay *display = gdk_window_get_display(window);
GdkMonitor *monitor = gdk_display_get_monitor_at_window(display, window);
GdkWindow *root = gdk_screen_get_root_window(gdk_window_get_screen(window));
int num = -1;
for (int i = gdk_display_get_n_monitors(display); num < 0 && i--; )
@ -496,20 +517,9 @@ reload_screen_cms_profile(FivView *self, GdkWindow *window)
if (num < 0)
goto out;
char atom[32] = "";
g_snprintf(atom, sizeof atom, "_ICC_PROFILE%c%d", num ? '_' : '\0', num);
// Sadly, there is no nice GTK+/GDK mechanism to watch this for changes.
int format = 0, length = 0;
GdkAtom type = GDK_NONE;
guchar *data = NULL;
GdkWindow *root = gdk_screen_get_root_window(gdk_window_get_screen(window));
if (gdk_property_get(root, gdk_atom_intern(atom, FALSE), GDK_NONE, 0,
8 << 20 /* MiB */, FALSE, &type, &format, &length, &data)) {
if (format == 8 && length > 0)
self->screen_cms_profile = fiv_io_profile_new(data, length);
g_free(data);
}
// Cater to xiccd limitations (agalakhov/xiccd#33).
if (!(self->screen_cms_profile = monitor_cms_profile(root, num)) && num)
self->screen_cms_profile = monitor_cms_profile(root, 0);
out:
if (!self->screen_cms_profile)