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output-layout: make wlr_output_layout_get_box() take a box as parameter 

Closes https://gitlab.freedesktop.org/wlroots/wlroots/-/issues/812
This commit is contained in:
Kirill Primak 2022-01-29 23:06:09 +03:00 committed by Simon Ser
parent 2c59435e82
commit 498f30aad1
3 changed files with 92 additions and 85 deletions
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6
include/wlr/types/wlr_output_layout.h
View File

@ -107,10 +107,10 @@ void wlr_output_layout_closest_point(struct wlr_output_layout *layout,
/**
* Get the box of the layout for the given reference output in layout
* coordinates. If `reference` is NULL, the box will be for the extents of the
* entire layout.
* entire layout. If the output isn't in the layout, the box will be empty.
*/
struct wlr_box *wlr_output_layout_get_box(
struct wlr_output_layout *layout, struct wlr_output *reference);
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

54
types/wlr_cursor.c
View File

@ -237,33 +237,32 @@ static void cursor_warp_unchecked(struct wlr_cursor *cur,
* Absolute movement for touch and pen devices will be relative to this box and
* pointer movement will be constrained to this box.
*
* If none of these are set, returns NULL and absolute movement should be
* If none of these are set, empties the box and absolute movement should be
* relative to the extents of the layout.
*/
static struct wlr_box *get_mapping(struct wlr_cursor *cur,
struct wlr_input_device *dev) {
static void get_mapping(struct wlr_cursor *cur,
struct wlr_input_device *dev, struct wlr_box *box) {
assert(cur->state->layout);
struct wlr_cursor_device *c_device = get_cursor_device(cur, dev);
if (c_device) {
if (c_device->mapped_box) {
return c_device->mapped_box;
}
if (c_device->mapped_output) {
return wlr_output_layout_get_box(cur->state->layout,
c_device->mapped_output);
*box = *c_device->mapped_box;
} else if (c_device->mapped_output) {
wlr_output_layout_get_box(cur->state->layout,
c_device->mapped_output, box);
}
return;
}
if (cur->state->mapped_box) {
return cur->state->mapped_box;
*box = *cur->state->mapped_box;
} else if (cur->state->mapped_output) {
wlr_output_layout_get_box(cur->state->layout,
cur->state->mapped_output, box);
} else {
box->width = box->height = 0;
}
if (cur->state->mapped_output) {
return wlr_output_layout_get_box(cur->state->layout,
cur->state->mapped_output);
}
return NULL;
}
bool wlr_cursor_warp(struct wlr_cursor *cur, struct wlr_input_device *dev,
@ -271,9 +270,10 @@ bool wlr_cursor_warp(struct wlr_cursor *cur, struct wlr_input_device *dev,
assert(cur->state->layout);
bool result = false;
struct wlr_box *mapping = get_mapping(cur, dev);
if (mapping) {
result = wlr_box_contains_point(mapping, lx, ly);
struct wlr_box mapping;
get_mapping(cur, dev, &mapping);
if (!wlr_box_empty(&mapping)) {
result = wlr_box_contains_point(&mapping, lx, ly);
} else {
result = wlr_output_layout_contains_point(cur->state->layout, NULL,
lx, ly);
@ -288,9 +288,10 @@ bool wlr_cursor_warp(struct wlr_cursor *cur, struct wlr_input_device *dev,
void wlr_cursor_warp_closest(struct wlr_cursor *cur,
struct wlr_input_device *dev, double lx, double ly) {
struct wlr_box *mapping = get_mapping(cur, dev);
if (mapping) {
wlr_box_closest_point(mapping, lx, ly, &lx, &ly);
struct wlr_box mapping;
get_mapping(cur, dev, &mapping);
if (!wlr_box_empty(&mapping)) {
wlr_box_closest_point(&mapping, lx, ly, &lx, &ly);
if (isnan(lx) || isnan(ly)) {
lx = 0;
ly = 0;
@ -308,13 +309,14 @@ void wlr_cursor_absolute_to_layout_coords(struct wlr_cursor *cur,
double *lx, double *ly) {
assert(cur->state->layout);
struct wlr_box *mapping = get_mapping(cur, dev);
if (!mapping) {
mapping = wlr_output_layout_get_box(cur->state->layout, NULL);
struct wlr_box mapping;
get_mapping(cur, dev, &mapping);
if (wlr_box_empty(&mapping)) {
wlr_output_layout_get_box(cur->state->layout, NULL, &mapping);
}
*lx = !isnan(x) ? mapping->width * x + mapping->x : cur->x;
*ly = !isnan(y) ? mapping->height * y + mapping->y : cur->y;
*lx = !isnan(x) ? mapping.width * x + mapping.x : cur->x;
*ly = !isnan(y) ? mapping.height * y + mapping.y : cur->y;
}
void wlr_cursor_warp_absolute(struct wlr_cursor *cur,

117
types/wlr_output_layout.c
View File

@ -73,15 +73,13 @@ void wlr_output_layout_destroy(struct wlr_output_layout *layout) {
free(layout);
}
static struct wlr_box *output_layout_output_get_box(
struct wlr_output_layout_output *l_output) {
l_output->state->_box.x = l_output->x;
l_output->state->_box.y = l_output->y;
int width, height;
wlr_output_effective_resolution(l_output->output, &width, &height);
l_output->state->_box.width = width;
l_output->state->_box.height = height;
return &l_output->state->_box;
static void output_layout_output_get_box(
struct wlr_output_layout_output *l_output,
struct wlr_box *box) {
box->x = l_output->x;
box->y = l_output->y;
wlr_output_effective_resolution(l_output->output,
&box->width, &box->height);
}
/**
@ -98,15 +96,17 @@ static void output_layout_reconfigure(struct wlr_output_layout *layout) {
// find the rightmost x coordinate occupied by a manually configured output
// in the layout
struct wlr_output_layout_output *l_output;
struct wlr_box output_box;
wl_list_for_each(l_output, &layout->outputs, link) {
if (l_output->state->auto_configured) {
continue;
}
struct wlr_box *box = output_layout_output_get_box(l_output);
if (box->x + box->width > max_x) {
max_x = box->x + box->width;
max_x_y = box->y;
output_layout_output_get_box(l_output, &output_box);
if (output_box.x + output_box.width > max_x) {
max_x = output_box.x + output_box.width;
max_x_y = output_box.y;
}
}
@ -120,10 +120,10 @@ static void output_layout_reconfigure(struct wlr_output_layout *layout) {
if (!l_output->state->auto_configured) {
continue;
}
struct wlr_box *box = output_layout_output_get_box(l_output);
output_layout_output_get_box(l_output, &output_box);
l_output->x = max_x;
l_output->y = max_x_y;
max_x += box->width;
max_x += output_box.width;
}
wlr_signal_emit_safe(&layout->events.change, layout);
@ -242,8 +242,9 @@ bool wlr_output_layout_contains_point(struct wlr_output_layout *layout,
if (reference) {
struct wlr_output_layout_output *l_output =
wlr_output_layout_get(layout, reference);
struct wlr_box *box = output_layout_output_get_box(l_output);
return wlr_box_contains_point(box, lx, ly);
struct wlr_box output_box;
output_layout_output_get_box(l_output, &output_box);
return wlr_box_contains_point(&output_box, lx, ly);
} else {
return !!wlr_output_layout_output_at(layout, lx, ly);
}
@ -256,9 +257,9 @@ bool wlr_output_layout_intersects(struct wlr_output_layout *layout,
if (reference == NULL) {
struct wlr_output_layout_output *l_output;
wl_list_for_each(l_output, &layout->outputs, link) {
struct wlr_box *output_box =
output_layout_output_get_box(l_output);
if (wlr_box_intersection(&out_box, output_box, target_lbox)) {
struct wlr_box output_box;
output_layout_output_get_box(l_output, &output_box);
if (wlr_box_intersection(&out_box, &output_box, target_lbox)) {
return true;
}
}
@ -270,8 +271,9 @@ bool wlr_output_layout_intersects(struct wlr_output_layout *layout,
return false;
}
struct wlr_box *output_box = output_layout_output_get_box(l_output);
return wlr_box_intersection(&out_box, output_box, target_lbox);
struct wlr_box output_box;
output_layout_output_get_box(l_output, &output_box);
return wlr_box_intersection(&out_box, &output_box, target_lbox);
}
}
@ -279,8 +281,9 @@ struct wlr_output *wlr_output_layout_output_at(struct wlr_output_layout *layout,
double lx, double ly) {
struct wlr_output_layout_output *l_output;
wl_list_for_each(l_output, &layout->outputs, link) {
struct wlr_box *box = output_layout_output_get_box(l_output);
if (wlr_box_contains_point(box, lx, ly)) {
struct wlr_box output_box;
output_layout_output_get_box(l_output, &output_box);
if (wlr_box_contains_point(&output_box, lx, ly)) {
return l_output->output;
}
}
@ -342,8 +345,9 @@ void wlr_output_layout_closest_point(struct wlr_output_layout *layout,
}
double output_x, output_y, output_distance;
struct wlr_box *box = output_layout_output_get_box(l_output);
wlr_box_closest_point(box, lx, ly, &output_x, &output_y);
struct wlr_box output_box;
output_layout_output_get_box(l_output, &output_box);
wlr_box_closest_point(&output_box, lx, ly, &output_x, &output_y);
// calculate squared distance suitable for comparison
output_distance =
@ -368,17 +372,17 @@ void wlr_output_layout_closest_point(struct wlr_output_layout *layout,
}
}
struct wlr_box *wlr_output_layout_get_box(
struct wlr_output_layout *layout, struct wlr_output *reference) {
void wlr_output_layout_get_box(struct wlr_output_layout *layout,
struct wlr_output *reference, struct wlr_box *dest_box) {
struct wlr_output_layout_output *l_output;
if (reference) {
// output extents
l_output = wlr_output_layout_get(layout, reference);
if (l_output) {
return output_layout_output_get_box(l_output);
output_layout_output_get_box(l_output, dest_box);
} else {
return NULL;
dest_box->width = dest_box->height = 0;
}
} else {
// layout extents
@ -387,31 +391,28 @@ struct wlr_box *wlr_output_layout_get_box(
min_x = min_y = INT_MAX;
max_x = max_y = INT_MIN;
wl_list_for_each(l_output, &layout->outputs, link) {
struct wlr_box *box = output_layout_output_get_box(l_output);
if (box->x < min_x) {
min_x = box->x;
struct wlr_box output_box;
output_layout_output_get_box(l_output, &output_box);
if (output_box.x < min_x) {
min_x = output_box.x;
}
if (box->y < min_y) {
min_y = box->y;
if (output_box.y < min_y) {
min_y = output_box.y;
}
if (box->x + box->width > max_x) {
max_x = box->x + box->width;
if (output_box.x + output_box.width > max_x) {
max_x = output_box.x + output_box.width;
}
if (box->y + box->height > max_y) {
max_y = box->y + box->height;
if (output_box.y + output_box.height > max_y) {
max_y = output_box.y + output_box.height;
}
}
}
layout->state->_box.x = min_x;
layout->state->_box.y = min_y;
layout->state->_box.width = max_x - min_x;
layout->state->_box.height = max_y - min_y;
return &layout->state->_box;
dest_box->x = min_x;
dest_box->y = min_y;
dest_box->width = max_x - min_x;
dest_box->height = max_y - min_y;
}
// not reached
}
void wlr_output_layout_add_auto(struct wlr_output_layout *layout,
@ -442,9 +443,10 @@ struct wlr_output *wlr_output_layout_get_center_output(
return NULL;
}
struct wlr_box *extents = wlr_output_layout_get_box(layout, NULL);
double center_x = extents->width / 2. + extents->x;
double center_y = extents->height / 2. + extents->y;
struct wlr_box extents;
wlr_output_layout_get_box(layout, NULL, &extents);
double center_x = extents.width / 2. + extents.x;
double center_y = extents.height / 2. + extents.y;
double dest_x = 0, dest_y = 0;
wlr_output_layout_closest_point(layout, NULL, center_x, center_y,
@ -464,7 +466,8 @@ static struct wlr_output *wlr_output_layout_output_in_direction(
enum distance_selection_method distance_method) {
assert(reference);
struct wlr_box *ref_box = wlr_output_layout_get_box(layout, reference);
struct wlr_box ref_box;
wlr_output_layout_get_box(layout, reference, &ref_box);
double min_distance = (distance_method == NEAREST) ? DBL_MAX : DBL_MIN;
struct wlr_output *closest_output = NULL;
@ -473,21 +476,23 @@ static struct wlr_output *wlr_output_layout_output_in_direction(
if (reference != NULL && reference == l_output->output) {
continue;
}
struct wlr_box *box = output_layout_output_get_box(l_output);
struct wlr_box box;
output_layout_output_get_box(l_output, &box);
bool match = false;
// test to make sure this output is in the given direction
if (direction & WLR_DIRECTION_LEFT) {
match = box->x + box->width <= ref_box->x || match;
match = box.x + box.width <= ref_box.x || match;
}
if (direction & WLR_DIRECTION_RIGHT) {
match = box->x >= ref_box->x + ref_box->width || match;
match = box.x >= ref_box.x + ref_box.width || match;
}
if (direction & WLR_DIRECTION_UP) {
match = box->y + box->height <= ref_box->y || match;
match = box.y + box.height <= ref_box.y || match;
}
if (direction & WLR_DIRECTION_DOWN) {
match = box->y >= ref_box->y + ref_box->height || match;
match = box.y >= ref_box.y + ref_box.height || match;
}
if (!match) {
continue;