compositor: add dpms and backlight support
DPMS kicks in only when wscreensaver is launched, in the moment that shell
call lock() for the second time. Backlight control internals are managed by
libbacklight:
http://cgit.freedesktop.org/~vignatti/libbacklight/
Signed-off-by: Tiago Vignatti <tiago.vignatti@intel.com>
diff --git a/src/shell.c b/src/shell.c
index a28302b..01e5cf6 100644
--- a/src/shell.c
+++ b/src/shell.c
@@ -1311,10 +1311,16 @@
struct weston_surface *tmp;
struct weston_input_device *device;
struct shell_surface *shsurf;
+ struct weston_output *output;
uint32_t time;
- if (shell->locked)
+ if (shell->locked) {
+ wl_list_for_each(output, &shell->compositor->output_list, link)
+ /* TODO: find a way to jump to other DPMS levels */
+ if (output->set_dpms)
+ output->set_dpms(output, WESTON_DPMS_STANDBY);
return;
+ }
shell->locked = true;
@@ -1834,6 +1840,34 @@
}
static void
+backlight_binding(struct wl_input_device *device, uint32_t time,
+ uint32_t key, uint32_t button, uint32_t state, void *data)
+{
+ struct weston_compositor *compositor = data;
+ struct weston_output *output;
+
+ /* TODO: we're limiting to simple use cases, where we assume just
+ * control on the primary display. We'd have to extend later if we
+ * ever get support for setting backlights on random desktop LCD
+ * panels though */
+ output = get_default_output(compositor);
+ if (!output)
+ return;
+
+ if (!output->set_backlight)
+ return;
+
+ if ((key == KEY_F9 || key == KEY_BRIGHTNESSDOWN) &&
+ output->backlight_current > 1)
+ output->backlight_current--;
+ else if ((key == KEY_F10 || key == KEY_BRIGHTNESSUP) &&
+ output->backlight_current < 10)
+ output->backlight_current++;
+
+ output->set_backlight(output, output->backlight_current);
+}
+
+static void
shell_destroy(struct weston_shell *base)
{
struct wl_shell *shell = container_of(base, struct wl_shell, shell);
@@ -1905,10 +1939,19 @@
weston_compositor_add_binding(ec, 0, BTN_LEFT,
MODIFIER_SUPER | MODIFIER_ALT,
rotate_binding, NULL);
-
weston_compositor_add_binding(ec, KEY_TAB, 0, MODIFIER_SUPER,
switcher_binding, ec);
+ /* brightness */
+ weston_compositor_add_binding(ec, KEY_F9, 0, MODIFIER_CTRL,
+ backlight_binding, ec);
+ weston_compositor_add_binding(ec, KEY_BRIGHTNESSDOWN, 0, 0,
+ backlight_binding, ec);
+ weston_compositor_add_binding(ec, KEY_F10, 0, MODIFIER_CTRL,
+ backlight_binding, ec);
+ weston_compositor_add_binding(ec, KEY_BRIGHTNESSUP, 0, 0,
+ backlight_binding, ec);
+
ec->shell = &shell->shell;
return 0;