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Introduce common functions to create, map, unmap, destroy views

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emersion 2018-03-31 17:49:40 -04:00
parent 122b96abed
commit b2c2ee693b
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8 changed files with 212 additions and 150 deletions
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73
sway/desktop/output.c
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@ -39,6 +39,32 @@ static void rotate_child_position(double *sx, double *sy, double sw, double sh,
}
}
/**
* Checks whether a surface at (lx, ly) intersects an output. If `box` is not
* NULL, it populates it with the surface box in the output, in output-local
* coordinates.
*/
static bool surface_intersect_output(struct wlr_surface *surface,
struct wlr_output_layout *output_layout, struct wlr_output *wlr_output,
double lx, double ly, float rotation, struct wlr_box *box) {
double ox = lx, oy = ly;
wlr_output_layout_output_coords(output_layout, wlr_output, &ox, &oy);
if (box != NULL) {
box->x = ox * wlr_output->scale;
box->y = oy * wlr_output->scale;
box->width = surface->current->width * wlr_output->scale;
box->height = surface->current->height * wlr_output->scale;
}
struct wlr_box layout_box = {
.x = lx, .y = ly,
.width = surface->current->width, .height = surface->current->height,
};
wlr_box_rotated_bounds(&layout_box, rotation, &layout_box);
return wlr_output_layout_intersects(output_layout, wlr_output, &layout_box);
}
static void render_surface(struct wlr_surface *surface,
struct wlr_output *wlr_output, struct timespec *when,
double lx, double ly, float rotation) {
@ -48,29 +74,21 @@ static void render_surface(struct wlr_surface *surface,
if (!wlr_surface_has_buffer(surface)) {
return;
}
struct wlr_output_layout *layout = root_container.sway_root->output_layout;
int width = surface->current->width;
int height = surface->current->height;
int render_width = width * wlr_output->scale;
int render_height = height * wlr_output->scale;
int owidth, oheight;
wlr_output_effective_resolution(wlr_output, &owidth, &oheight);
// FIXME: view coords are inconsistently assumed to be in output or layout coords
struct wlr_box layout_box = {
.x = lx + wlr_output->lx, .y = ly + wlr_output->ly,
.width = render_width, .height = render_height,
};
if (wlr_output_layout_intersects(layout, wlr_output, &layout_box)) {
struct wlr_box render_box = {
.x = lx, .y = ly,
.width = render_width, .height = render_height
};
struct wlr_output_layout *layout = root_container.sway_root->output_layout;
struct wlr_box box;
bool intersects = surface_intersect_output(surface, layout, wlr_output,
lx, ly, rotation, &box);
if (intersects) {
float matrix[9];
wlr_matrix_project_box(matrix, &render_box, surface->current->transform,
0, wlr_output->transform_matrix);
wlr_render_texture_with_matrix(renderer, surface->texture, matrix,
1.0f); // TODO: configurable alpha
enum wl_output_transform transform =
wlr_output_transform_invert(surface->current->transform);
wlr_matrix_project_box(matrix, &box, transform, rotation,
wlr_output->transform_matrix);
// TODO: configurable alpha
wlr_render_texture_with_matrix(renderer, surface->texture, matrix, 1.0f);
wlr_surface_send_frame_done(surface, when);
}
@ -80,9 +98,8 @@ static void render_surface(struct wlr_surface *surface,
struct wlr_surface_state *state = subsurface->surface->current;
double sx = state->subsurface_position.x;
double sy = state->subsurface_position.y;
double sw = state->buffer_width / state->scale;
double sh = state->buffer_height / state->scale;
rotate_child_position(&sx, &sy, sw, sh, width, height, rotation);
rotate_child_position(&sx, &sy, state->width, state->height,
surface->current->width, surface->current->height, rotation);
render_surface(subsurface->surface, wlr_output, when,
lx + sx, ly + sy, rotation);
@ -338,6 +355,12 @@ static void handle_transform(struct wl_listener *listener, void *data) {
arrange_windows(output->swayc, -1, -1);
}
static void handle_scale(struct wl_listener *listener, void *data) {
struct sway_output *output = wl_container_of(listener, output, scale);
arrange_layers(output);
arrange_windows(output->swayc, -1, -1);
}
void handle_new_output(struct wl_listener *listener, void *data) {
struct sway_server *server = wl_container_of(listener, server, new_output);
struct wlr_output *wlr_output = data;
@ -378,6 +401,8 @@ void handle_new_output(struct wl_listener *listener, void *data) {
output->mode.notify = handle_mode;
wl_signal_add(&wlr_output->events.transform, &output->transform);
output->transform.notify = handle_transform;
wl_signal_add(&wlr_output->events.scale, &output->scale);
output->scale.notify = handle_scale;
wl_signal_add(&output->damage->events.frame, &output->damage_frame);
output->damage_frame.notify = damage_handle_frame;