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output: use suggested position for output by default

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Some virtualised outputs provide a suggested position which indicates
the relative position of the outputs in the host WM. This change uses
these positions for outputs with no configured position.
This commit is contained in:
Daniel Playfair Cal 2021-01-10 20:38:32 +11:00
parent 3eb9cf4a45
commit 57ae17b620
3 changed files with 45 additions and 10 deletions
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1
include/sway/output.h
View file

@ -45,6 +45,7 @@ struct sway_output {
struct wl_listener commit;
struct wl_listener mode;
struct wl_listener available_modes;
struct wl_listener suggested_position;
struct wl_listener present;
struct wl_listener damage_destroy;
struct wl_listener damage_frame;

41
sway/config/output.c
View file

@ -331,6 +331,18 @@ static int compute_default_scale(struct wlr_output *output) {
return 2;
}
static float get_effective_scale(struct output_config *oc,
struct wlr_output *wlr_output) {
float scale;
if (oc && oc->scale > 0) {
scale = oc->scale;
} else {
scale = compute_default_scale(wlr_output);
sway_log(SWAY_DEBUG, "Auto-detected output scale: %f", scale);
}
return scale;
}
static void queue_output_config(struct output_config *oc,
struct sway_output *output) {
if (output == root->noop_output) {
@ -371,13 +383,7 @@ static void queue_output_config(struct output_config *oc,
// Apply the scale last before the commit, because the scale auto-detection
// reads the pending output size
float scale;
if (oc && oc->scale > 0) {
scale = oc->scale;
} else {
scale = compute_default_scale(wlr_output);
sway_log(SWAY_DEBUG, "Auto-detected output scale: %f", scale);
}
float scale = get_effective_scale(oc, output->wlr_output);
if (scale != wlr_output->scale) {
sway_log(SWAY_DEBUG, "Set %s scale to %f", wlr_output->name, scale);
wlr_output_set_scale(wlr_output, scale);
@ -451,9 +457,24 @@ bool apply_output_config(struct output_config *oc, struct sway_output *output) {
}
// Find position for it
if (oc && (oc->x != -1 || oc->y != -1)) {
sway_log(SWAY_DEBUG, "Set %s position to %d, %d", oc->name, oc->x, oc->y);
wlr_output_layout_add(root->output_layout, wlr_output, oc->x, oc->y);
int32_t effective_x = -1, effective_y = -1;
float effective_scale = get_effective_scale(oc, output->wlr_output);
if (output->wlr_output->suggested_x != -1) {
effective_x = output->wlr_output->suggested_x / effective_scale;
}
if (output->wlr_output->suggested_y != -1) {
effective_y = output->wlr_output->suggested_y / effective_scale;
}
if (oc && oc->x != -1) {
effective_x = oc->x;
}
if (oc && oc->y != -1) {
effective_y = oc->y;
}
if (effective_x != -1 || effective_y != -1) {
sway_log(SWAY_DEBUG, "Set %s position to %d, %d", oc ? oc->name : wlr_output->name, effective_x, effective_y);
wlr_output_layout_add(root->output_layout, wlr_output, effective_x, effective_y);
} else {
wlr_output_layout_add_auto(root->output_layout, wlr_output);
}

13
sway/desktop/output.c
View file

@ -883,6 +883,17 @@ static void handle_available_modes(struct wl_listener *listener, void *data) {
update_output_manager_config(output->server);
}
static void handle_suggested_position(struct wl_listener *listener, void *data) {
struct sway_output *output = wl_container_of(listener, output, suggested_position);
struct output_config *oc = find_output_config(output);
apply_output_config(oc, output);
free_output_config(oc);
transaction_commit_dirty();
update_output_manager_config(output->server);
}
static void update_textures(struct sway_container *con, void *data) {
container_update_title_textures(con);
container_update_marks_textures(con);
@ -941,6 +952,8 @@ void handle_new_output(struct wl_listener *listener, void *data) {
output->mode.notify = handle_mode;
wl_signal_add(&wlr_output->events.available_modes, &output->available_modes);
output->available_modes.notify = handle_available_modes;
wl_signal_add(&wlr_output->events.suggested_position, &output->suggested_position);
output->suggested_position.notify = handle_suggested_position;
wl_signal_add(&wlr_output->events.present, &output->present);
output->present.notify = handle_present;
wl_signal_add(&output->damage->events.frame, &output->damage_frame);