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src/cursor.c: Keep sending motion events for out-of-layer-surface

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Previously, motion events for a cursor which had been pressed on a surface
and then moved out of the surface were only sent for XDG and X11 surfaces.

This patch includes layer surfaces as well.

Fixes #483
This commit is contained in:
Consolatis 2022-08-14 14:40:56 +02:00 • committed by Johan Malm
parent 8e6d37772e
commit 921c877f79
3 changed files with 36 additions and 21 deletions
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5
include/labwc.h
View file

@ -95,8 +95,8 @@ struct seat {
struct wlr_layer_surface_v1 *focused_layer;
/**
* pressed view/surface will usually be NULL and is only set on button
* press while the mouse is over a view surface and reset to NULL on
* pressed view/surface/node will usually be NULL and is only set on
* button press while the mouse is over a surface and reset to NULL on
* button release.
* It is used to send cursor motion events to a surface even though
* the cursor has left the surface in the meantime.
@ -106,6 +106,7 @@ struct seat {
*/
struct {
struct view *view;
struct wlr_scene_node *node;
struct wlr_surface *surface;
} pressed;

32
src/cursor.c
View file

@ -289,30 +289,37 @@ process_cursor_motion(struct server *server, uint32_t time)
* or selecting text even if the cursor moves outside of
* the surface.
*/
int lx, ly;
view = server->seat.pressed.view;
if (!view) {
/* Button press originated on a layer surface, just ignore */
if (view) {
lx = view->x;
ly = view->y;
} else if (wlr_surface_is_layer_surface(server->seat.pressed.surface)) {
wlr_scene_node_coords(server->seat.pressed.node, &lx, &ly);
} else {
wlr_log(WLR_ERROR, "Can't detect surface for out-of-surface movement");
return;
}
sx = server->seat.cursor->x - view->x;
sy = server->seat.cursor->y - view->y;
sx = server->seat.cursor->x - lx;
sy = server->seat.cursor->y - ly;
if (view && view->type == LAB_XDG_SHELL_VIEW) {
/*
* X11 apps expect to be able to receive motion events outside
* the window area (this is necessary for client-side move/resize
* handles to work properly). So do not clamp the motion
* coordinates for XWayland surfaces.
* handles to work properly). So only clamp the motion coordinates
* for XDG surfaces.
*/
if (view->type == LAB_XDG_SHELL_VIEW) {
sx = sx < 0 ? 0 : (sx > view->w ? view->w : sx);
sy = sy < 0 ? 0 : (sy > view->h ? view->h : sy);
}
if (view->type == LAB_XDG_SHELL_VIEW && view->xdg_surface) {
/* Take into account invisible CSD borders */
if (view->xdg_surface) {
struct wlr_box geo;
wlr_xdg_surface_get_geometry(view->xdg_surface, &geo);
sx += geo.x;
sy += geo.y;
}
}
wlr_seat_pointer_notify_motion(server->seat.seat, time, sx, sy);
} else if (surface && !input_inhibit_blocks_surface(
&server->seat, surface->resource)) {
@ -367,6 +374,7 @@ start_drag(struct wl_listener *listener, void *data)
struct seat *seat = wl_container_of(listener, seat, start_drag);
struct wlr_drag *wlr_drag = data;
seat->pressed.view = NULL;
seat->pressed.node = NULL;
seat->pressed.surface = NULL;
seat->drag_icon = wlr_drag->icon;
if (!seat->drag_icon) {
@ -715,6 +723,7 @@ cursor_button(struct wl_listener *listener, void *data)
/* handle _release_ */
if (event->state == WLR_BUTTON_RELEASED) {
seat->pressed.view = NULL;
seat->pressed.node = NULL;
if (seat->pressed.surface && seat->pressed.surface != surface) {
/*
* Button released but originally pressed over a different surface.
@ -755,8 +764,9 @@ cursor_button(struct wl_listener *listener, void *data)
/* Handle _press */
if (surface) {
server->seat.pressed.view = view;
server->seat.pressed.surface = surface;
seat->pressed.view = view;
seat->pressed.node = node;
seat->pressed.surface = surface;
}
if (server->input_mode == LAB_INPUT_STATE_MENU) {

4
src/layers.c
View file

@ -145,6 +145,10 @@ unmap(struct lab_layer_surface *layer)
if (seat->focused_layer == layer->scene_layer_surface->layer_surface) {
seat_set_focus_layer(seat, NULL);
}
if (seat->pressed.surface == layer->scene_layer_surface->layer_surface->surface) {
seat->pressed.node = NULL;
seat->pressed.surface = NULL;
}
}
static void