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https://github.com/hyprwm/wlroots-hyprland.git
synced 2024-11-02 03:45:58 +01:00
refactor device mapping calculation
This commit is contained in:
parent
5e06d61e42
commit
0dc3aecfd4
3 changed files with 103 additions and 115 deletions
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@ -97,6 +97,7 @@ static struct wlr_cursor_device *get_cursor_device(struct wlr_cursor *cur,
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}
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}
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static void wlr_cursor_warp_unchecked(struct wlr_cursor *cur, double x, double y) {
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static void wlr_cursor_warp_unchecked(struct wlr_cursor *cur, double x, double y) {
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assert(cur->state->layout);
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int hotspot_x = 0;
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int hotspot_x = 0;
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int hotspot_y = 0;
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int hotspot_y = 0;
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@ -119,145 +120,111 @@ static void wlr_cursor_warp_unchecked(struct wlr_cursor *cur, double x, double y
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}
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}
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}
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}
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/**
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* Get the most specific mapping box for the device in this order:
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*
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* 1. device geometry mapping
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* 2. device output mapping
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* 3. cursor geometry mapping
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* 4. cursor output mapping
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*
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* Absolute movement for touch and pen devices will be relative to this box and
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* pointer movement will be constrained to this box.
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*
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* If none of these are set, returns NULL and absolute movement should be
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* relative to the extents of the layout.
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*/
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static struct wlr_geometry *get_mapping(struct wlr_cursor *cur,
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struct wlr_input_device *dev) {
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assert(cur->state->layout);
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struct wlr_cursor_device *c_device = get_cursor_device(cur, dev);
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if (c_device) {
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if (c_device->mapped_geometry) {
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return c_device->mapped_geometry;
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}
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if (c_device->mapped_output) {
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return wlr_output_layout_get_geometry(cur->state->layout,
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c_device->mapped_output);
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}
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}
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if (cur->state->mapped_geometry) {
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return cur->state->mapped_geometry;
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}
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if(cur->state->mapped_output) {
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return wlr_output_layout_get_geometry(cur->state->layout,
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cur->state->mapped_output);
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}
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return NULL;
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}
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bool wlr_cursor_warp(struct wlr_cursor *cur, struct wlr_input_device *dev,
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bool wlr_cursor_warp(struct wlr_cursor *cur, struct wlr_input_device *dev,
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double x, double y) {
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double x, double y) {
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assert(cur->state->layout);
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assert(cur->state->layout);
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struct wlr_output *output;
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bool result = false;
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output = wlr_output_layout_output_at(cur->state->layout, x, y);
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struct wlr_output *mapped_output = NULL;
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struct wlr_geometry *mapping = get_mapping(cur, dev);
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struct wlr_cursor_device *c_device = get_cursor_device(cur, dev);
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if (c_device && c_device->mapped_output) {
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mapped_output = c_device->mapped_output;
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} else {
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mapped_output = cur->state->mapped_output;
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}
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if (!output) {
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return false;
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}
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if (mapped_output &&
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!wlr_output_layout_contains_point(cur->state->layout, mapped_output,
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x, y)) {
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return false;
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}
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if (mapping) {
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if (wlr_geometry_contains_point(mapping, x, y)) {
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wlr_cursor_warp_unchecked(cur, x, y);
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wlr_cursor_warp_unchecked(cur, x, y);
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return true;
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result = true;
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}
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} else if (wlr_output_layout_contains_point(cur->state->layout, NULL, x, y)) {
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wlr_cursor_warp_unchecked(cur, x, y);
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result = true;
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}
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return result;
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}
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}
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void wlr_cursor_warp_absolute(struct wlr_cursor *cur,
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void wlr_cursor_warp_absolute(struct wlr_cursor *cur,
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struct wlr_input_device *dev, double x_mm, double y_mm) {
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struct wlr_input_device *dev, double x_mm, double y_mm) {
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// convert from absolute to global coordinates
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assert(cur->state->layout);
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assert(cur->state->layout);
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struct wlr_output *mapped_output = NULL;
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struct wlr_cursor_device *c_device = get_cursor_device(cur, dev);
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if (c_device && c_device->mapped_output) {
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struct wlr_geometry *mapping = get_mapping(cur, dev);
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mapped_output = c_device->mapped_output;
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if (!mapping) {
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} else {
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mapping = wlr_output_layout_get_geometry(cur->state->layout, NULL);
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mapped_output = cur->state->mapped_output;
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}
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}
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struct wlr_geometry *constraints = calloc(1, sizeof(struct wlr_geometry));
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double x = mapping->width * x_mm + mapping->x;
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// XXX how do we express infinite regions?
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double y = mapping->height * y_mm + mapping->y;
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constraints->x = INT_MIN / 2;
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constraints->y = INT_MIN / 2;
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constraints->width = INT_MAX;
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constraints->height = INT_MAX;
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if (cur->state->mapped_geometry) {
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wlr_geometry_intersection(cur->state->mapped_geometry, constraints,
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&constraints);
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}
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if (c_device->mapped_geometry) {
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wlr_geometry_intersection(c_device->mapped_geometry, constraints,
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&constraints);
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}
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struct wlr_geometry *geo;
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if (mapped_output) {
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geo = wlr_output_layout_get_geometry(cur->state->layout, mapped_output);
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wlr_geometry_intersection(geo, constraints, &constraints);
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}
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geo = wlr_output_layout_get_geometry(cur->state->layout, NULL);
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wlr_geometry_intersection(geo, constraints, &constraints);
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if (wlr_geometry_empty(constraints)) {
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goto out;
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}
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double x = constraints->width * x_mm + constraints->x;
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double y = constraints->height * y_mm + constraints->y;
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wlr_cursor_warp_unchecked(cur, x, y);
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wlr_cursor_warp_unchecked(cur, x, y);
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out:
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if (constraints) {
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free(constraints);
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}
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}
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}
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void wlr_cursor_move(struct wlr_cursor *cur, struct wlr_input_device *dev,
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void wlr_cursor_move(struct wlr_cursor *cur, struct wlr_input_device *dev,
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double delta_x, double delta_y) {
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double delta_x, double delta_y) {
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assert(cur->state->layout);
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assert(cur->state->layout);
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struct wlr_output *mapped_output = NULL;
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struct wlr_cursor_device *c_device = get_cursor_device(cur, dev);
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if (c_device && c_device->mapped_output) {
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mapped_output = c_device->mapped_output;
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} else {
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mapped_output = cur->state->mapped_output;
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}
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double x = cur->x + delta_x;
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double x = cur->x + delta_x;
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double y = cur->y + delta_y;
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double y = cur->y + delta_y;
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// geometry constraints
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struct wlr_geometry *mapping = get_mapping(cur, dev);
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struct wlr_geometry *constraints = NULL;
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if (cur->state->mapped_geometry != NULL ||
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c_device->mapped_geometry != NULL) {
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constraints = calloc(1, sizeof(struct wlr_geometry));
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if (!wlr_geometry_intersection(cur->state->mapped_geometry,
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if (mapping) {
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c_device->mapped_geometry, &constraints)) {
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int boundary_x, boundary_y;
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// TODO handle no possible movement
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if (!wlr_geometry_contains_point(mapping, x, y)) {
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goto out;
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wlr_geometry_closest_boundary(mapping, x, y, &boundary_x,
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&boundary_y, NULL);
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x = boundary_x;
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y = boundary_y;
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}
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}
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} else {
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int closest_x, closest_y;
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if (!wlr_output_layout_contains_point(cur->state->layout, NULL, x, y)) {
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wlr_geometry_closest_boundary(constraints, x, y,
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double boundary_x, boundary_y;
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&closest_x, &closest_y, NULL);
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wlr_output_layout_closest_boundary(cur->state->layout, NULL, x, y,
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x = closest_x;
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&boundary_x, &boundary_y);
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y = closest_y;
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x = boundary_x;
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y = boundary_y;
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}
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}
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// layout constraints
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struct wlr_output *output;
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output = wlr_output_layout_output_at(cur->state->layout, x, y);
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if (!output || (mapped_output && mapped_output != output)) {
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double closest_x, closest_y;
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wlr_output_layout_closest_boundary(cur->state->layout, mapped_output, x,
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y, &closest_x, &closest_y);
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x = closest_x;
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y = closest_y;
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}
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if (constraints && !wlr_geometry_contains_point(constraints, x, y)) {
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// TODO handle no possible movement
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goto out;
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}
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}
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wlr_cursor_warp_unchecked(cur, x, y);
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wlr_cursor_warp_unchecked(cur, x, y);
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cur->x = x;
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cur->x = x;
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cur->y = y;
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cur->y = y;
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out:
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if (constraints) {
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free(constraints);
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}
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}
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}
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static void handle_pointer_motion(struct wl_listener *listener, void *data) {
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static void handle_pointer_motion(struct wl_listener *listener, void *data) {
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@ -416,15 +383,28 @@ void wlr_cursor_map_input_to_output(struct wlr_cursor *cur,
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}
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}
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void wlr_cursor_map_to_region(struct wlr_cursor *cur, struct wlr_geometry *geo) {
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void wlr_cursor_map_to_region(struct wlr_cursor *cur, struct wlr_geometry *geo) {
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if (geo && wlr_geometry_empty(geo)) {
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wlr_log(L_ERROR, "cannot map cursor to an empty region");
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return;
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}
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cur->state->mapped_geometry = geo;
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cur->state->mapped_geometry = geo;
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}
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}
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void wlr_cursor_map_input_to_region(struct wlr_cursor *cur,
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void wlr_cursor_map_input_to_region(struct wlr_cursor *cur,
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struct wlr_input_device *dev, struct wlr_geometry *geo) {
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struct wlr_input_device *dev, struct wlr_geometry *geo) {
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struct wlr_cursor_device *c_device = get_cursor_device(cur, dev);
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if (geo && wlr_geometry_empty(geo)) {
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if (!c_device) {
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wlr_log(L_ERROR, "cannot map device \"%s\" input to an empty region",
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wlr_log(L_ERROR, "Cannot map device \"%s\" to geometry (not found in this cursor)", dev->name);
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dev->name);
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return;
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return;
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}
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}
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struct wlr_cursor_device *c_device = get_cursor_device(cur, dev);
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if (!c_device) {
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wlr_log(L_ERROR, "Cannot map device \"%s\" to geometry (not found in"
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"this cursor)", dev->name);
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return;
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}
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c_device->mapped_geometry = geo;
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c_device->mapped_geometry = geo;
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}
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}
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@ -77,6 +77,10 @@ bool wlr_geometry_intersection(struct wlr_geometry *geo_a,
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}
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}
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bool wlr_geometry_contains_point(struct wlr_geometry *geo, int x, int y) {
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bool wlr_geometry_contains_point(struct wlr_geometry *geo, int x, int y) {
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if (wlr_geometry_empty(geo)) {
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return false;
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} else {
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return x >= geo->x && x <= geo->x + geo->width &&
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return x >= geo->x && x <= geo->x + geo->width &&
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y >= geo->y && y <= geo->y + geo->height;
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y >= geo->y && y <= geo->y + geo->height;
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}
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}
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}
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@ -76,10 +76,14 @@ static bool output_contains_point( struct wlr_output_layout_output *l_output,
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bool wlr_output_layout_contains_point(struct wlr_output_layout *layout,
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bool wlr_output_layout_contains_point(struct wlr_output_layout *layout,
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struct wlr_output *reference, int x, int y) {
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struct wlr_output *reference, int x, int y) {
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if (reference) {
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struct wlr_output_layout_output *layout_output = wlr_output_layout_get(layout, reference);
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struct wlr_output_layout_output *layout_output = wlr_output_layout_get(layout, reference);
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int width, height;
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int width, height;
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wlr_output_effective_resolution(layout_output->output, &width, &height);
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wlr_output_effective_resolution(layout_output->output, &width, &height);
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return output_contains_point(layout_output, x, y, width, height);
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return output_contains_point(layout_output, x, y, width, height);
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} else {
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return !!wlr_output_layout_output_at(layout, x, y);
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}
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}
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}
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bool wlr_output_layout_intersects(struct wlr_output_layout *layout,
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bool wlr_output_layout_intersects(struct wlr_output_layout *layout,
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