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Merge pull request #1196 from dcz-purism/surface_move

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rootston/surface_layers: fix clicking after surface moved
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Brian Ashworth 2018-08-28 22:15:50 -04:00 committed by GitHub
commit 939a4ea60f
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GPG key ID: 4AEE18F83AFDEB23
1 changed files with 67 additions and 9 deletions
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76
rootston/layer_shell.c
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@ -1,6 +1,12 @@
#ifndef _POSIX_C_SOURCE
#define _POSIX_C_SOURCE 200112L
#endif
#include <assert.h>
#include <errno.h>
#include <stdbool.h>
#include <stdlib.h>
#include <string.h>
#include <time.h>
#include <wayland-server.h>
#include <wlr/types/wlr_box.h>
#include <wlr/types/wlr_surface.h>
@ -73,7 +79,32 @@ static void apply_exclusive(struct wlr_box *usable_area,
}
}
static void arrange_layer(struct wlr_output *output, struct wl_list *list,
static void update_cursors(struct roots_layer_surface *roots_surface,
struct wl_list *seats /* struct roots_seat */) {
struct roots_seat *seat;
wl_list_for_each(seat, seats, link) {
double sx, sy;
struct wlr_surface *surface = desktop_surface_at(
seat->input->server->desktop,
seat->cursor->cursor->x, seat->cursor->cursor->y, &sx, &sy, NULL);
if (surface == roots_surface->layer_surface->surface) {
struct timespec time;
if (clock_gettime(CLOCK_MONOTONIC, &time) == 0) {
roots_cursor_update_position(seat->cursor,
time.tv_sec * 1000 + time.tv_nsec / 1000000);
} else {
wlr_log(WLR_ERROR, "Failed to get time, not updating"
"position. Errno: %s\n", strerror(errno));
}
}
}
}
static void arrange_layer(struct wlr_output *output,
struct wl_list *seats /* struct *roots_seat */,
struct wl_list *list /* struct *roots_layer_surface */,
struct wlr_box *usable_area, bool exclusive) {
struct roots_layer_surface *roots_surface;
struct wlr_box full_area = { 0 };
@ -143,12 +174,25 @@ static void arrange_layer(struct wlr_output *output, struct wl_list *list,
wlr_layer_surface_close(layer);
continue;
}
// Apply
struct wlr_box old_geo = roots_surface->geo;
roots_surface->geo = box;
apply_exclusive(usable_area, state->anchor, state->exclusive_zone,
state->margin.top, state->margin.right,
state->margin.bottom, state->margin.left);
wlr_layer_surface_configure(layer, box.width, box.height);
// Having a cursor newly end up over the moved layer will not
// automatically send a motion event to the surface. The event needs to
// be synthesized.
// Only update layer surfaces which kept their size (and so buffers) the
// same, because those with resized buffers will be handled separately.
if (roots_surface->geo.x != old_geo.x
|| roots_surface->geo.y != old_geo.y) {
update_cursors(roots_surface, seats);
}
}
}
@ -158,16 +202,16 @@ void arrange_layers(struct roots_output *output) {
&usable_area.width, &usable_area.height);
// Arrange exclusive surfaces from top->bottom
arrange_layer(output->wlr_output,
arrange_layer(output->wlr_output, &output->desktop->server->input->seats,
&output->layers[ZWLR_LAYER_SHELL_V1_LAYER_OVERLAY],
&usable_area, true);
arrange_layer(output->wlr_output,
arrange_layer(output->wlr_output, &output->desktop->server->input->seats,
&output->layers[ZWLR_LAYER_SHELL_V1_LAYER_TOP],
&usable_area, true);
arrange_layer(output->wlr_output,
arrange_layer(output->wlr_output, &output->desktop->server->input->seats,
&output->layers[ZWLR_LAYER_SHELL_V1_LAYER_BOTTOM],
&usable_area, true);
arrange_layer(output->wlr_output,
arrange_layer(output->wlr_output, &output->desktop->server->input->seats,
&output->layers[ZWLR_LAYER_SHELL_V1_LAYER_BACKGROUND],
&usable_area, true);
memcpy(&output->usable_area, &usable_area, sizeof(struct wlr_box));
@ -180,16 +224,16 @@ void arrange_layers(struct roots_output *output) {
}
// Arrange non-exlusive surfaces from top->bottom
arrange_layer(output->wlr_output,
arrange_layer(output->wlr_output, &output->desktop->server->input->seats,
&output->layers[ZWLR_LAYER_SHELL_V1_LAYER_OVERLAY],
&usable_area, false);
arrange_layer(output->wlr_output,
arrange_layer(output->wlr_output, &output->desktop->server->input->seats,
&output->layers[ZWLR_LAYER_SHELL_V1_LAYER_TOP],
&usable_area, false);
arrange_layer(output->wlr_output,
arrange_layer(output->wlr_output, &output->desktop->server->input->seats,
&output->layers[ZWLR_LAYER_SHELL_V1_LAYER_BOTTOM],
&usable_area, false);
arrange_layer(output->wlr_output,
arrange_layer(output->wlr_output, &output->desktop->server->input->seats,
&output->layers[ZWLR_LAYER_SHELL_V1_LAYER_BACKGROUND],
&usable_area, false);
@ -238,6 +282,20 @@ static void handle_surface_commit(struct wl_listener *listener, void *data) {
struct roots_output *output = wlr_output->data;
struct wlr_box old_geo = layer->geo;
arrange_layers(output);
// Cursor changes which happen as a consequence of resizing a layer
// surface are applied in arrange_layers. Because the resize happens
// before the underlying surface changes, it will only receive a cursor
// update if the new cursor position crosses the *old* sized surface in
// the *new* layer surface.
// Another cursor move event is needed when the surface actually
// changes.
struct wlr_surface *surface = layer_surface->surface;
if (surface->previous.width != surface->current.width ||
surface->previous.height != surface->current.height) {
update_cursors(layer, &output->desktop->server->input->seats);
}
if (memcmp(&old_geo, &layer->geo, sizeof(struct wlr_box)) != 0) {
output_damage_whole_local_surface(output, layer_surface->surface,
old_geo.x, old_geo.y, 0);