Merge branch 'master' into feature/data-device-selection

.editorconfig

@@ -7,3 +7,7 @@ charset = utf-8
 indent_style = tab
 indent_size = 4
 trim_trailing_whitespace = true
+
+[*.xml]
+indent_style = space
+indent_size = 2

backend/drm/drm.c

@@ -470,7 +470,7 @@ static void wlr_drm_connector_transform(struct wlr_output *output,
 
 static bool wlr_drm_connector_set_cursor(struct wlr_output *output,
 		const uint8_t *buf, int32_t stride, uint32_t width, uint32_t height,
-		int32_t hotspot_x, int32_t hotspot_y) {
+		int32_t hotspot_x, int32_t hotspot_y, bool update_pixels) {
 	struct wlr_drm_connector *conn = (struct wlr_drm_connector *)output;
 	struct wlr_drm_backend *drm = conn->drm;
 	struct wlr_drm_renderer *renderer = &drm->renderer;
@@ -478,7 +478,8 @@ static bool wlr_drm_connector_set_cursor(struct wlr_output *output,
 	struct wlr_drm_crtc *crtc = conn->crtc;
 	struct wlr_drm_plane *plane = crtc->cursor;
 
-	if (!buf) {
+	if (!buf && update_pixels) {
+		// Hide the cursor
 		return drm->iface->crtc_set_cursor(drm, crtc, NULL);
 	}
 
@@ -566,6 +567,11 @@ static bool wlr_drm_connector_set_cursor(struct wlr_output *output,
 		break;
 	}
 
+	if (!update_pixels) {
+		// Only update the cursor hotspot
+		return true;
+	}
+
 	struct gbm_bo *bo = plane->cursor_bo;
 	uint32_t bo_width = gbm_bo_get_width(bo);
 	uint32_t bo_height = gbm_bo_get_height(bo);

backend/wayland/output.c

@@ -54,13 +54,24 @@ static void wlr_wl_output_transform(struct wlr_output *_output,
 
 static bool wlr_wl_output_set_cursor(struct wlr_output *_output,
 		const uint8_t *buf, int32_t stride, uint32_t width, uint32_t height,
-		int32_t hotspot_x, int32_t hotspot_y) {
+		int32_t hotspot_x, int32_t hotspot_y, bool update_pixels) {
 	struct wlr_wl_backend_output *output = (struct wlr_wl_backend_output *)_output;
 	struct wlr_wl_backend *backend = output->backend;
 
+	if (!update_pixels) {
+		// Update hotspot without changing cursor image
+		wlr_wl_output_update_cursor(output, output->enter_serial, hotspot_x,
+			hotspot_y);
+		return true;
+	}
 	if (!buf) {
-		wl_pointer_set_cursor(output->backend->pointer, output->enter_serial,
-			NULL, 0, 0);
+		// Hide cursor
+		wl_surface_destroy(output->cursor_surface);
+		munmap(output->cursor_data, output->cursor_buf_size);
+		output->cursor_surface = NULL;
+		output->cursor_buf_size = 0;
+		wlr_wl_output_update_cursor(output, output->enter_serial, hotspot_x,
+			hotspot_y);
 		return true;
 	}
 
@@ -153,7 +164,7 @@ static void wlr_wl_output_destroy(struct wlr_output *_output) {
 
 void wlr_wl_output_update_cursor(struct wlr_wl_backend_output *output,
 			uint32_t serial, int32_t hotspot_x, int32_t hotspot_y) {
-	if (output->cursor_surface && output->backend->pointer && serial) {
+	if (output->backend->pointer && serial) {
 		wl_pointer_set_cursor(output->backend->pointer, serial,
 			output->cursor_surface, hotspot_x, hotspot_y);
 	}

include/rootston/input.h

@@ -88,8 +88,8 @@ struct roots_input {
 	struct wlr_xcursor_theme *theme;
 	struct wlr_xcursor *xcursor;
 	struct wlr_seat *wl_seat;
-	struct roots_view *client_cursor_view;
 	struct wl_list drag_icons;
+	struct wl_client *cursor_client;
 
 	enum roots_cursor_mode mode;
 	struct roots_view *active_view, *last_active_view;

include/rootston/view.h

@@ -17,8 +17,6 @@ struct roots_wl_shell_surface {
 	struct wl_listener request_set_maximized;
 
 	struct wl_listener surface_commit;
-
-	bool initialized;
 };
 
 struct roots_xdg_surface_v6 {
@@ -32,8 +30,6 @@ struct roots_xdg_surface_v6 {
 	struct wl_listener request_move;
 	struct wl_listener request_resize;
 	struct wl_listener request_show_window_menu;
-
-	bool initialized;
 };
 
 struct roots_xwayland_surface {
@@ -85,6 +81,6 @@ void view_activate(struct roots_view *view, bool active);
 void view_resize(struct roots_view *view, uint32_t width, uint32_t height);
 void view_close(struct roots_view *view);
 bool view_center(struct roots_view *view);
-bool view_initialize(struct roots_view *view);
+void view_initialize(struct roots_view *view);
 
 #endif

include/wlr/interfaces/wlr_output.h

@@ -11,7 +11,7 @@ struct wlr_output_impl {
 		enum wl_output_transform transform);
 	bool (*set_cursor)(struct wlr_output *output, const uint8_t *buf,
 		int32_t stride, uint32_t width, uint32_t height,
-			int32_t hotspot_x, int32_t hotspot_y);
+		int32_t hotspot_x, int32_t hotspot_y, bool update_pixels);
 	bool (*move_cursor)(struct wlr_output *output, int x, int y);
 	void (*destroy)(struct wlr_output *output);
 	void (*make_current)(struct wlr_output *output);

include/wlr/types/wlr_output_layout.h

@@ -84,4 +84,10 @@ struct wlr_box *wlr_output_layout_get_box(
 void wlr_output_layout_add_auto(struct wlr_output_layout *layout,
 		struct wlr_output *output);
 
+/**
+ * Get the output closest to the center of the layout extents.
+ */
+struct wlr_output *wlr_output_layout_get_center_output(
+		struct wlr_output_layout *layout);
+
 #endif

include/wlr/types/wlr_xdg_shell_v6.h

@@ -106,6 +106,7 @@ struct wlr_xdg_surface_v6 {
 	struct wl_list popup_link;
 
 	bool configured;
+	bool added;
 	struct wl_event_source *configure_idle;
 	struct wl_list configure_list;
 

rootston/cursor.c

@@ -86,10 +86,16 @@ void cursor_update_position(struct roots_input *input, uint32_t time) {
 	case ROOTS_CURSOR_PASSTHROUGH:
 		view = view_at(desktop, input->cursor->x, input->cursor->y, &surface,
 			&sx, &sy);
-		if (view != input->client_cursor_view) {
+		bool set_compositor_cursor = !view && input->cursor_client;
+		if (view) {
+			struct wl_client *view_client =
+				wl_resource_get_client(view->wlr_surface->resource);
+			set_compositor_cursor = view_client != input->cursor_client;
+		}
+		if (set_compositor_cursor) {
 			wlr_log(L_DEBUG, "Switching to compositor cursor");
 			cursor_set_xcursor_image(input, input->xcursor->images[0]);
-			input->client_cursor_view = NULL;
+			input->cursor_client = NULL;
 		}
 		if (view) {
 			wlr_seat_pointer_notify_enter(input->wl_seat, surface, sx, sy);
@@ -355,18 +361,16 @@ static void handle_request_set_cursor(struct wl_listener *listener,
 		request_set_cursor);
 	struct wlr_seat_pointer_request_set_cursor_event *event = data;
 
-	struct wlr_surface *focused_surface = NULL;
-	double sx, sy;
-	struct roots_view *focused_view = view_at(input->server->desktop,
-		input->cursor->x, input->cursor->y, &focused_surface, &sx, &sy);
-	bool ok = focused_surface != NULL;
-	if (focused_surface != NULL) {
+	struct wlr_surface *focused_surface =
+		event->seat_handle->wlr_seat->pointer_state.focused_surface;
+	bool ok = focused_surface != NULL && focused_surface->resource != NULL;
+	if (ok) {
 		struct wl_client *focused_client =
 			wl_resource_get_client(focused_surface->resource);
 		ok = event->client == focused_client;
 	}
 	if (!ok) {
-		wlr_log(L_DEBUG, "Denying request to set cursor outside view");
+		wlr_log(L_DEBUG, "Denying request to set cursor from unfocused client");
 		return;
 	}
 
@@ -378,7 +382,7 @@ static void handle_request_set_cursor(struct wl_listener *listener,
 			event->hotspot_x, event->hotspot_y);
 	}
 
-	input->client_cursor_view = focused_view;
+	input->cursor_client = event->client;
 }
 
 void cursor_initialize(struct roots_input *input) {

rootston/desktop.c

@@ -67,36 +67,43 @@ void view_close(struct roots_view *view) {
 bool view_center(struct roots_view *view) {
 	struct wlr_box size;
 	view_get_size(view, &size);
-	if (size.width == 0 && size.height == 0) {
-		return false;
-	}
 
 	struct roots_desktop *desktop = view->desktop;
 	struct wlr_cursor *cursor = desktop->server->input->cursor;
-	struct wlr_output *output = wlr_output_layout_output_at(desktop->layout,
-		cursor->x, cursor->y);
-	const struct wlr_output_layout_output *output_layout =
-		wlr_output_layout_get(desktop->layout, output);
+
+	struct wlr_output *output =
+		wlr_output_layout_output_at(desktop->layout, cursor->x, cursor->y);
+
+	if (!output) {
+		output = wlr_output_layout_get_center_output(desktop->layout);
+	}
+
 	if (!output) {
+		// empty layout
 		return false;
 	}
 
-	view->x = (double)(output->width - size.width) / 2
-		+ output_layout->x;
-	view->y = (double)(output->height - size.height) / 2
-		+ output_layout->y;
+	const struct wlr_output_layout_output *l_output =
+		wlr_output_layout_get(desktop->layout, output);
+
+	int width, height;
+	wlr_output_effective_resolution(output, &width, &height);
+
+	view->x = (double)(width - size.width) / 2
+		+ l_output->x;
+	view->y = (double)(height - size.height) / 2
+		+ l_output->y;
+
 	return true;
 }
 
-bool view_initialize(struct roots_view *view) {
-	bool centered = view_center(view);
-	if (centered) {
+void view_initialize(struct roots_view *view) {
+	view_center(view);
 	struct roots_input *input = view->desktop->server->input;
+
 	set_view_focus(input, view->desktop, view);
 	wlr_seat_keyboard_notify_enter(input->wl_seat, view->wlr_surface);
 }
-	return centered;
-}
 
 struct roots_view *view_at(struct roots_desktop *desktop, double lx, double ly,
 		struct wlr_surface **surface, double *sx, double *sy) {

rootston/wl_shell.c

@@ -50,14 +50,7 @@ static void handle_request_resize(struct wl_listener *listener, void *data) {
 }
 
 static void handle_surface_commit(struct wl_listener *listener, void *data) {
-	struct roots_wl_shell_surface *roots_surface =
-		wl_container_of(listener, roots_surface, surface_commit);
-	struct roots_view *view = roots_surface->view;
-
-	if (view->wl_shell_surface->state == WLR_WL_SHELL_SURFACE_STATE_TOPLEVEL &&
-			!roots_surface->initialized) {
-		roots_surface->initialized = view_initialize(view);
-	}
+	// TODO do we need to do anything here?
 }
 
 static void handle_destroy(struct wl_listener *listener, void *data) {
@@ -137,4 +130,5 @@ void handle_wl_shell_surface(struct wl_listener *listener, void *data) {
 	view->desktop = desktop;
 	roots_surface->view = view;
 	list_add(desktop->views, view);
+	view_initialize(view);
 }

rootston/xdg_shell_v6.c

@@ -68,14 +68,7 @@ static void handle_request_resize(struct wl_listener *listener, void *data) {
 }
 
 static void handle_commit(struct wl_listener *listener, void *data) {
-	struct roots_xdg_surface_v6 *roots_xdg_surface =
-		wl_container_of(listener, roots_xdg_surface, commit);
-	struct roots_view *view = roots_xdg_surface->view;
-
-	if (view->xdg_surface_v6->role == WLR_XDG_SURFACE_V6_ROLE_TOPLEVEL &&
-			!roots_xdg_surface->initialized) {
-		roots_xdg_surface->initialized = view_initialize(view);
-	}
+	// TODO is there anything we need to do here?
 }
 
 static void handle_destroy(struct wl_listener *listener, void *data) {
@@ -141,4 +134,6 @@ void handle_xdg_shell_v6_surface(struct wl_listener *listener, void *data) {
 	view->desktop = desktop;
 	roots_surface->view = view;
 	list_add(desktop->views, view);
+
+	view_initialize(view);
 }

types/wlr_output.c

@@ -127,7 +127,7 @@ static bool set_cursor(struct wlr_output *output, const uint8_t *buf,
 		int32_t hotspot_y) {
 	if (output->impl->set_cursor
 			&& output->impl->set_cursor(output, buf, stride, width, height,
-				hotspot_x, hotspot_y)) {
+				hotspot_x, hotspot_y, true)) {
 		output->cursor.is_sw = false;
 		return true;
 	}
@@ -179,6 +179,10 @@ static inline int64_t timespec_to_msec(const struct timespec *a) {
 
 static void commit_cursor_surface(struct wlr_output *output,
 		struct wlr_surface *surface) {
+	if (output->cursor.is_sw) {
+		return;
+	}
+
 	struct wl_shm_buffer *buffer = wl_shm_buffer_get(surface->current->buffer);
 	if (buffer == NULL) {
 		return;
@@ -231,14 +235,19 @@ static void handle_cursor_surface_destroy(struct wl_listener *listener,
 
 void wlr_output_set_cursor_surface(struct wlr_output *output,
 		struct wlr_surface *surface, int32_t hotspot_x, int32_t hotspot_y) {
-	if (surface && strcmp(surface->role, "cursor") != 0) {
+	if (surface && strcmp(surface->role, "wl_pointer-cursor") != 0) {
 		return;
 	}
 
 	output->cursor.hotspot_x = hotspot_x;
 	output->cursor.hotspot_y = hotspot_y;
 
-	if (surface && output->cursor.surface == surface) {
+	if (surface && surface == output->cursor.surface) {
+		if (output->impl->set_cursor && !output->cursor.is_sw) {
+			// Only update the hotspot
+			output->impl->set_cursor(output, NULL, 0, 0, 0, hotspot_x,
+				hotspot_y, false);
+		}
 		return;
 	}
 
@@ -248,11 +257,22 @@ void wlr_output_set_cursor_surface(struct wlr_output *output,
 		output->cursor.surface = NULL;
 	}
 
+	// Disable hardware cursor
+	// TODO: support hardware cursors
+	output->cursor.is_sw = true;
+	if (output->impl->set_cursor) {
+		output->impl->set_cursor(output, NULL, 0, 0, 0, hotspot_x, hotspot_y,
+			true);
+	}
+
+	//output->cursor.is_sw = output->impl->set_cursor == NULL;
 	output->cursor.surface = surface;
 
 	if (surface != NULL) {
 		wl_signal_add(&surface->events.commit, &output->cursor.surface_commit);
-		wl_signal_add(&surface->events.destroy, &output->cursor.surface_destroy);
+		wl_signal_add(&surface->events.destroy,
+			&output->cursor.surface_destroy);
+		commit_cursor_surface(output, surface);
 	} else {
 		set_cursor(output, NULL, 0, 0, 0, hotspot_x, hotspot_y);
 	}
@@ -333,10 +353,20 @@ void wlr_output_swap_buffers(struct wlr_output *output) {
 		glViewport(0, 0, output->width, output->height);
 		glEnable(GL_BLEND);
 		glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
+
+		struct wlr_texture *texture = output->cursor.texture;
+		struct wlr_renderer *renderer = output->cursor.renderer;
+		if (output->cursor.surface) {
+			texture = output->cursor.surface->texture;
+			renderer = output->cursor.surface->renderer;
+		}
+
+		if (texture && renderer) {
 			float matrix[16];
-		wlr_texture_get_matrix(output->cursor.texture, &matrix, &output->transform_matrix,
+			wlr_texture_get_matrix(texture, &matrix, &output->transform_matrix,
 				output->cursor.x, output->cursor.y);
-		wlr_render_with_matrix(output->cursor.renderer, output->cursor.texture, &matrix);
+			wlr_render_with_matrix(renderer, texture, &matrix);
+		}
 	}
 
 	wl_signal_emit(&output->events.swap_buffers, &output);

types/wlr_output_layout.c

@@ -343,3 +343,20 @@ void wlr_output_layout_add_auto(struct wlr_output_layout *layout,
 	l_output->state->auto_configured = true;
 	wlr_output_layout_reconfigure(layout);
 }
+
+struct wlr_output *wlr_output_layout_get_center_output(
+		struct wlr_output_layout *layout) {
+	if (wl_list_empty(&layout->outputs)) {
+		return NULL;
+	}
+
+	struct wlr_box *extents = wlr_output_layout_get_box(layout, NULL);
+	double center_x = extents->width / 2 + extents->x;
+	double center_y = extents->height / 2 + extents->y;
+
+	double dest_x = 0, dest_y = 0;
+	wlr_output_layout_closest_point(layout, NULL, center_x, center_y,
+		&dest_x, &dest_y);
+
+	return wlr_output_layout_output_at(layout, dest_x, dest_y);
+}

types/wlr_seat.c

@@ -29,7 +29,7 @@ static void wl_pointer_set_cursor(struct wl_client *client,
 	if (surface_resource != NULL) {
 		surface = wl_resource_get_user_data(surface_resource);
 
-		if (wlr_surface_set_role(surface, "cursor", resource,
+		if (wlr_surface_set_role(surface, "wl_pointer-cursor", resource,
 				WL_POINTER_ERROR_ROLE) < 0) {
 			return;
 		}

types/wlr_xdg_shell_v6.c

@@ -9,6 +9,7 @@
 #include <wlr/types/wlr_surface.h>
 #include <wlr/types/wlr_seat.h>
 #include <wlr/util/log.h>
+#include <wlr/render/interface.h>
 #include "xdg-shell-unstable-v6-protocol.h"
 
 static const char *wlr_desktop_xdg_toplevel_role = "xdg_toplevel";
@@ -802,10 +803,7 @@ static void xdg_surface_ack_configure(struct wl_client *client,
 		break;
 	}
 
-	if (!surface->configured) {
 	surface->configured = true;
-		wl_signal_emit(&surface->client->shell->events.new_surface, surface);
-	}
 
 	wl_signal_emit(&surface->events.ack_configure, surface);
 
@@ -843,6 +841,10 @@ static const struct zxdg_surface_v6_interface zxdg_surface_v6_implementation = {
 static bool wlr_xdg_surface_v6_toplevel_state_compare(
 		struct wlr_xdg_toplevel_v6 *state) {
 	// is pending state different from current state?
+	if (!state->base->configured) {
+		return false;
+	}
+
 	if (state->pending.activated != state->current.activated) {
 		return false;
 	}
@@ -996,7 +998,7 @@ static void wlr_xdg_surface_v6_toplevel_committed(
 		struct wlr_xdg_surface_v6 *surface) {
 	assert(surface->role == WLR_XDG_SURFACE_V6_ROLE_TOPLEVEL);
 
-	if (!surface->surface->current->buffer && !surface->toplevel_state->added) {
+	if (!surface->surface->texture->valid && !surface->toplevel_state->added) {
 		// on the first commit, send a configure request to tell the client it
 		// is added
 		wlr_xdg_surface_v6_schedule_configure(surface, true);
@@ -1004,7 +1006,7 @@ static void wlr_xdg_surface_v6_toplevel_committed(
 		return;
 	}
 
-	if (!surface->surface->current->buffer) {
+	if (!surface->surface->texture->valid) {
 		return;
 	}
 
@@ -1026,7 +1028,7 @@ static void handle_wlr_surface_committed(struct wl_listener *listener,
 	struct wlr_xdg_surface_v6 *surface =
 		wl_container_of(listener, surface, surface_commit_listener);
 
-	if (surface->surface->current->buffer && !surface->configured) {
+	if (surface->surface->texture->valid && !surface->configured) {
 		wl_resource_post_error(surface->resource,
 			ZXDG_SURFACE_V6_ERROR_UNCONFIGURED_BUFFER,
 			"xdg_surface has never been configured");
@@ -1055,6 +1057,11 @@ static void handle_wlr_surface_committed(struct wl_listener *listener,
 		break;
 	}
 
+	if (surface->configured && !surface->added) {
+		surface->added = true;
+		wl_signal_emit(&surface->client->shell->events.new_surface, surface);
+	}
+
 	wl_signal_emit(&surface->events.commit, surface);
 }
 
@@ -1090,7 +1097,7 @@ static void xdg_shell_get_xdg_surface(struct wl_client *wl_client,
 		&zxdg_surface_v6_interface, wl_resource_get_version(client_resource),
 		id);
 
-	if (surface->surface->current->buffer != NULL) {
+	if (surface->surface->texture->valid) {
 		wl_resource_post_error(surface->resource,
 			ZXDG_SURFACE_V6_ERROR_UNCONFIGURED_BUFFER,
 			"xdg_surface must not have a buffer at creation");
@@ -1258,42 +1265,49 @@ void wlr_xdg_surface_v6_ping(struct wlr_xdg_surface_v6 *surface) {
 void wlr_xdg_toplevel_v6_set_size(struct wlr_xdg_surface_v6 *surface,
 		uint32_t width, uint32_t height) {
 	assert(surface->role == WLR_XDG_SURFACE_V6_ROLE_TOPLEVEL);
+	bool force =
+		(surface->toplevel_state->pending.width != width ||
+		 surface->toplevel_state->pending.height != height);
 	surface->toplevel_state->pending.width = width;
 	surface->toplevel_state->pending.height = height;
 
-	wlr_xdg_surface_v6_schedule_configure(surface, false);
+	wlr_xdg_surface_v6_schedule_configure(surface, force);
 }
 
 void wlr_xdg_toplevel_v6_set_activated(struct wlr_xdg_surface_v6 *surface,
 		bool activated) {
 	assert(surface->role == WLR_XDG_SURFACE_V6_ROLE_TOPLEVEL);
+	bool force = surface->toplevel_state->pending.activated != activated;
 	surface->toplevel_state->pending.activated = activated;
 
-	wlr_xdg_surface_v6_schedule_configure(surface, false);
+	wlr_xdg_surface_v6_schedule_configure(surface, force);
 }
 
 void wlr_xdg_toplevel_v6_set_maximized(struct wlr_xdg_surface_v6 *surface,
 		bool maximized) {
 	assert(surface->role == WLR_XDG_SURFACE_V6_ROLE_TOPLEVEL);
+	bool force = surface->toplevel_state->pending.maximized != maximized;
 	surface->toplevel_state->pending.maximized = maximized;
 
-	wlr_xdg_surface_v6_schedule_configure(surface, false);
+	wlr_xdg_surface_v6_schedule_configure(surface, force);
 }
 
 void wlr_xdg_toplevel_v6_set_fullscreen(struct wlr_xdg_surface_v6 *surface,
 		bool fullscreen) {
 	assert(surface->role == WLR_XDG_SURFACE_V6_ROLE_TOPLEVEL);
+	bool force = surface->toplevel_state->pending.fullscreen != fullscreen;
 	surface->toplevel_state->pending.fullscreen = fullscreen;
 
-	wlr_xdg_surface_v6_schedule_configure(surface, false);
+	wlr_xdg_surface_v6_schedule_configure(surface, force);
 }
 
 void wlr_xdg_toplevel_v6_set_resizing(struct wlr_xdg_surface_v6 *surface,
 		bool resizing) {
 	assert(surface->role == WLR_XDG_SURFACE_V6_ROLE_TOPLEVEL);
-	surface->toplevel_state->pending.fullscreen = resizing;
+	bool force = surface->toplevel_state->pending.resizing != resizing;
+	surface->toplevel_state->pending.resizing = resizing;
 
-	wlr_xdg_surface_v6_schedule_configure(surface, false);
+	wlr_xdg_surface_v6_schedule_configure(surface, force);
 }
 
 void wlr_xdg_toplevel_v6_send_close(struct wlr_xdg_surface_v6 *surface) {