diff options
Diffstat (limited to 'rootston')
| -rw-r--r-- | rootston/layer_shell.c | 76 | 
1 files changed, 67 insertions, 9 deletions
| diff --git a/rootston/layer_shell.c b/rootston/layer_shell.c index 6795cb58..4ce4c293 100644 --- a/rootston/layer_shell.c +++ b/rootston/layer_shell.c @@ -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); | 
