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cursor: Split node_at_coords into smaller functions

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Alexander Orzechowski 2024-08-26 17:13:47 -04:00
parent 6ceade3ad2
commit 1ee209dc56
2 changed files with 49 additions and 26 deletions
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8
include/sway/input/cursor.h
View file

@ -84,6 +84,14 @@ struct sway_cursor {
struct sway_node;
struct wlr_scene_node *scene_node_at_coords(
double lx, double ly, double *sx, double *sy);
struct wlr_surface *surface_try_from_scene_node(struct wlr_scene_node *node);
struct sway_node *sway_node_try_from_scene_node(struct wlr_scene_node *node,
double lx, double ly);
struct sway_node *node_at_coords(
double lx, double ly, struct wlr_surface **surface, double *sx, double *sy);

67
sway/input/cursor.c
View file

@ -38,14 +38,8 @@ static uint32_t get_current_time_msec(void) {
return now.tv_sec * 1000 + now.tv_nsec / 1000000;
}
/**
* Returns the node at the cursor's position. If there is a surface at that
* location, it is stored in **surface (it may not be a view).
*/
struct sway_node *node_at_coords(double lx, double ly,
struct wlr_surface **surface, double *sx, double *sy) {
struct wlr_scene_node *scene_node = NULL;
struct wlr_scene_node *scene_node_at_coords(
double lx, double ly, double *sx, double *sy) {
struct wlr_scene_node *node;
wl_list_for_each_reverse(node, &root->layer_tree->children, link) {
struct wlr_scene_tree *layer = wlr_scene_tree_from_node(node);
@ -56,28 +50,37 @@ struct sway_node *node_at_coords(double lx, double ly,
continue;
}
scene_node = wlr_scene_node_at(&layer->node, lx, ly, sx, sy);
if (scene_node) {
break;
struct wlr_scene_node *node = wlr_scene_node_at(&layer->node, lx, ly, sx, sy);
if (node) {
return node;
}
}
if (scene_node) {
// determine what wlr_surface we clicked on
if (scene_node->type == WLR_SCENE_NODE_BUFFER) {
struct wlr_scene_buffer *scene_buffer =
wlr_scene_buffer_from_node(scene_node);
struct wlr_scene_surface *scene_surface =
wlr_scene_surface_try_from_buffer(scene_buffer);
return NULL;
}
if (scene_surface) {
*surface = scene_surface->surface;
}
}
struct wlr_surface *surface_try_from_scene_node(struct wlr_scene_node *node) {
if (!node || node->type != WLR_SCENE_NODE_BUFFER) {
return NULL;
}
struct wlr_scene_buffer *scene_buffer =
wlr_scene_buffer_from_node(node);
struct wlr_scene_surface *scene_surface =
wlr_scene_surface_try_from_buffer(scene_buffer);
if (scene_surface) {
return scene_surface->surface;
}
return NULL;
}
struct sway_node *sway_node_try_from_scene_node(struct wlr_scene_node *node,
double lx, double ly) {
if (node) {
struct sway_container *con =
scene_descriptor_find(scene_node, SWAY_SCENE_DESC_CONTAINER);
scene_descriptor_find(node, SWAY_SCENE_DESC_CONTAINER);
if (con) {
// If this condition succeeds, the container is currently in the
// process of being destroyed. In this case, ignore the container
@ -90,12 +93,12 @@ struct sway_node *node_at_coords(double lx, double ly,
// if we clicked on a layer shell or unmanaged xwayland we don't
// want to return the workspace node.
if (scene_descriptor_find(scene_node, SWAY_SCENE_DESC_LAYER_SHELL)) {
if (scene_descriptor_find(node, SWAY_SCENE_DESC_LAYER_SHELL)) {
return NULL;
}
#if WLR_HAS_XWAYLAND
if (scene_descriptor_find(scene_node, SWAY_SCENE_DESC_XWAYLAND_UNMANAGED)) {
if (scene_descriptor_find(node, SWAY_SCENE_DESC_XWAYLAND_UNMANAGED)) {
return NULL;
}
#endif
@ -122,6 +125,18 @@ struct sway_node *node_at_coords(double lx, double ly,
return &ws->node;
}
/**
* Returns the node at the cursor's position. If there is a surface at that
* location, it is stored in **surface (it may not be a view).
*/
struct sway_node *node_at_coords(double lx, double ly,
struct wlr_surface **surface, double *sx, double *sy) {
struct wlr_scene_node *scene_node = scene_node_at_coords(lx, ly, sx, sy);
*surface = surface_try_from_scene_node(scene_node);
return sway_node_try_from_scene_node(scene_node, lx, ly);
}
void cursor_rebase(struct sway_cursor *cursor) {
uint32_t time_msec = get_current_time_msec();
seatop_rebase(cursor->seat, time_msec);