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output-layout: improve API

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- wlr_output_layout_add{,_auto}() now return a bool indicating whether
  the function has succeeded.
- wlr_output_layout_move() is removed.

Closes: https://gitlab.freedesktop.org/wlroots/wlroots/-/issues/1083
This commit is contained in:
Kirill Primak 2022-08-30 19:05:38 +03:00 committed by Simon Ser
parent 27ea18cc33
commit 097ea84cda
2 changed files with 51 additions and 69 deletions
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37
include/wlr/types/wlr_output_layout.h
View file

@ -28,7 +28,7 @@ struct wlr_output_layout {
struct wl_list outputs;
struct {
struct wl_signal add;
struct wl_signal add; // struct wlr_output_layout_output *
struct wl_signal change;
struct wl_signal destroy;
} events;
@ -77,14 +77,30 @@ struct wlr_output *wlr_output_layout_output_at(
/**
* Add the output to the layout at the specified coordinates. If the output is
* already part of the output layout, this moves the output.
* already a part of the output layout, it will become manually configured and
* will be moved to the specified coordinates.
*
* Returns true on success, false on a memory allocation error.
*/
void wlr_output_layout_add(struct wlr_output_layout *layout,
bool wlr_output_layout_add(struct wlr_output_layout *layout,
struct wlr_output *output, int lx, int ly);
void wlr_output_layout_move(struct wlr_output_layout *layout,
struct wlr_output *output, int lx, int ly);
/**
* Add the output to the layout as automatically configured. This will place
* the output in a sensible location in the layout. The coordinates of
* the output in the layout will be adjusted dynamically when the layout
* changes. If the output is already a part of the layout, it will become
* automatically configured.
*
* Returns true on success, false on a memory allocation error.
*/
bool wlr_output_layout_add_auto(struct wlr_output_layout *layout,
struct wlr_output *output);
/**
* Remove the output from the layout. If the output is already not a part of
* the layout, this function is a no-op.
*/
void wlr_output_layout_remove(struct wlr_output_layout *layout,
struct wlr_output *output);
@ -117,17 +133,6 @@ void wlr_output_layout_closest_point(struct wlr_output_layout *layout,
void wlr_output_layout_get_box(struct wlr_output_layout *layout,
struct wlr_output *reference, struct wlr_box *dest_box);
/**
* Add an auto configured output to the layout. This will place the output in a
* sensible location in the layout. The coordinates of the output in the layout
* may adjust dynamically when the layout changes. If the output is already in
* the layout, it will become auto configured. If the position of the output is
* set such as with wlr_output_layout_move(), the output will become manually
* configured.
*/
void wlr_output_layout_add_auto(struct wlr_output_layout *layout,
struct wlr_output *output);
/**
* Get the output closest to the center of the layout extents.
*/

83
types/wlr_output_layout.c
View file

@ -165,28 +165,51 @@ static struct wlr_output_layout_output *output_layout_output_create(
return l_output;
}
void wlr_output_layout_add(struct wlr_output_layout *layout,
struct wlr_output *output, int lx, int ly) {
static bool output_layout_add(struct wlr_output_layout *layout,
struct wlr_output *output, int lx, int ly,
bool auto_configured) {
struct wlr_output_layout_output *l_output =
wlr_output_layout_get(layout, output);
bool is_new = l_output == NULL;
if (!l_output) {
if (is_new) {
l_output = output_layout_output_create(layout, output);
if (!l_output) {
wlr_log(WLR_ERROR, "Failed to create wlr_output_layout_output");
return;
if (l_output == NULL) {
return false;
}
}
l_output->x = lx;
l_output->y = ly;
l_output->auto_configured = false;
l_output->auto_configured = auto_configured;
output_layout_reconfigure(layout);
output_update_global(output);
if (is_new) {
wl_signal_emit_mutable(&layout->events.add, l_output);
}
return true;
}
bool wlr_output_layout_add(struct wlr_output_layout *layout,
struct wlr_output *output, int lx, int ly) {
return output_layout_add(layout, output, lx, ly, false);
}
bool wlr_output_layout_add_auto(struct wlr_output_layout *layout,
struct wlr_output *output) {
return output_layout_add(layout, output, 0, 0, true);
}
void wlr_output_layout_remove(struct wlr_output_layout *layout,
struct wlr_output *output) {
struct wlr_output_layout_output *l_output =
wlr_output_layout_get(layout, output);
if (l_output != NULL) {
output_layout_output_destroy(l_output);
output_layout_reconfigure(layout);
}
}
struct wlr_output_layout_output *wlr_output_layout_get(
@ -256,30 +279,6 @@ struct wlr_output *wlr_output_layout_output_at(struct wlr_output_layout *layout,
return NULL;
}
void wlr_output_layout_move(struct wlr_output_layout *layout,
struct wlr_output *output, int lx, int ly) {
struct wlr_output_layout_output *l_output =
wlr_output_layout_get(layout, output);
if (l_output) {
l_output->x = lx;
l_output->y = ly;
l_output->auto_configured = false;
output_layout_reconfigure(layout);
} else {
wlr_log(WLR_ERROR, "output not found in this layout: %s", output->name);
}
}
void wlr_output_layout_remove(struct wlr_output_layout *layout,
struct wlr_output *output) {
struct wlr_output_layout_output *l_output =
wlr_output_layout_get(layout, output);
if (l_output) {
output_layout_output_destroy(l_output);
output_layout_reconfigure(layout);
}
}
void wlr_output_layout_output_coords(struct wlr_output_layout *layout,
struct wlr_output *reference, double *lx, double *ly) {
assert(layout && reference);
@ -381,28 +380,6 @@ void wlr_output_layout_get_box(struct wlr_output_layout *layout,
}
}
void wlr_output_layout_add_auto(struct wlr_output_layout *layout,
struct wlr_output *output) {
struct wlr_output_layout_output *l_output =
wlr_output_layout_get(layout, output);
bool is_new = l_output == NULL;
if (!l_output) {
l_output = output_layout_output_create(layout, output);
if (!l_output) {
wlr_log(WLR_ERROR, "Failed to create wlr_output_layout_output");
return;
}
}
l_output->auto_configured = true;
output_layout_reconfigure(layout);
output_update_global(output);
if (is_new) {
wl_signal_emit_mutable(&layout->events.add, l_output);
}
}
struct wlr_output *wlr_output_layout_get_center_output(
struct wlr_output_layout *layout) {
if (wl_list_empty(&layout->outputs)) {