diff --git a/examples/compositor.c b/examples/compositor.c index 63041615..085cbb0e 100644 --- a/examples/compositor.c +++ b/examples/compositor.c @@ -7,6 +7,8 @@ #include #include #include +// TODO: BSD et al +#include #include #include #include @@ -17,6 +19,7 @@ #include #include #include +#include #include #include #include "wlr/types/wlr_compositor.h" @@ -27,6 +30,7 @@ #include #include "config.h" #include "shared.h" +#include // TODO: move to common header? int os_create_anonymous_file(off_t size); @@ -57,12 +61,19 @@ struct sample_state { struct wl_listener cursor_button; struct wl_listener cursor_axis; + struct wl_listener tool_axis; + struct wl_listener tool_tip; + struct wl_listener tool_button; + struct wl_listener new_xdg_surface_v6; + + struct wlr_xdg_surface_v6 *focused_surface; }; struct example_xdg_surface_v6 { struct wlr_xdg_surface_v6 *surface; + // position of the wlr_surface in the layout struct { int lx; int ly; @@ -76,6 +87,29 @@ struct example_xdg_surface_v6 { struct wl_listener request_show_window_menu_listener; }; +static void example_set_focused_surface(struct sample_state *sample, + struct wlr_xdg_surface_v6 *surface) { + if (sample->focused_surface == surface) { + return; + } + + // set activated state of the xdg surfaces + struct wlr_xdg_surface_v6 *xdg_surface; + struct wlr_xdg_client_v6 *xdg_client; + wl_list_for_each(xdg_client, &sample->xdg_shell->clients, link) { + wl_list_for_each(xdg_surface, &xdg_client->surfaces, link) { + if (!xdg_surface->configured || + xdg_surface->role != WLR_XDG_SURFACE_V6_ROLE_TOPLEVEL) { + continue; + } + wlr_xdg_toplevel_v6_set_activated(xdg_surface, + xdg_surface == surface); + } + } + + sample->focused_surface = surface; +} + /* * Convert timespec to milliseconds */ @@ -222,11 +256,13 @@ static void handle_output_frame(struct output_state *output, struct wlr_xdg_client_v6 *xdg_client; wl_list_for_each(xdg_client, &sample->xdg_shell->clients, link) { wl_list_for_each(xdg_surface, &xdg_client->surfaces, link) { - if (xdg_surface->role == WLR_XDG_SURFACE_V6_ROLE_NONE) { + if (!xdg_surface->configured) { continue; } struct example_xdg_surface_v6 *esurface = xdg_surface->data; + assert(esurface); + int width = xdg_surface->surface->current.buffer_width; int height = xdg_surface->surface->current.buffer_height; @@ -307,12 +343,65 @@ static void handle_keyboard_bound(struct wl_listener *listener, void *data) { } } +static struct wlr_xdg_surface_v6 *example_xdg_surface_at( + struct sample_state *sample, int lx, int ly) { + struct wlr_xdg_surface_v6 *xdg_surface; + struct wlr_xdg_client_v6 *xdg_client; + wl_list_for_each(xdg_client, &sample->xdg_shell->clients, link) { + wl_list_for_each(xdg_surface, &xdg_client->surfaces, link) { + if (!xdg_surface->configured) { + continue; + } + + struct example_xdg_surface_v6 *esurface = xdg_surface->data; + + double window_x = esurface->position.lx + xdg_surface->geometry->x; + double window_y = esurface->position.ly + xdg_surface->geometry->y; + + if (sample->cursor->x >= window_x && + sample->cursor->y >= window_y && + sample->cursor->x <= window_x + + xdg_surface->geometry->width && + sample->cursor->y <= window_y + + xdg_surface->geometry->height) { + return xdg_surface; + } + } + } + + return NULL; +} + +static void update_pointer_position(struct sample_state *sample, + uint32_t time_sec) { + struct wlr_xdg_surface_v6 *surface = + example_xdg_surface_at(sample, sample->cursor->x, sample->cursor->y); + + if (surface) { + struct example_xdg_surface_v6 *esurface = surface->data; + + double sx = sample->cursor->x - esurface->position.lx; + double sy = sample->cursor->y - esurface->position.ly; + + // TODO z-order + wlr_seat_pointer_enter(sample->wl_seat, surface->surface, + sx, sy); + wlr_seat_pointer_send_motion(sample->wl_seat, time_sec, + sx, sy); + } else { + wlr_seat_pointer_clear_focus(sample->wl_seat); + } +} + static void handle_cursor_motion(struct wl_listener *listener, void *data) { struct sample_state *sample = wl_container_of(listener, sample, cursor_motion); struct wlr_event_pointer_motion *event = data; + wlr_cursor_move(sample->cursor, event->device, event->delta_x, event->delta_y); + + update_pointer_position(sample, event->time_sec); } static void handle_cursor_motion_absolute(struct wl_listener *listener, @@ -321,8 +410,10 @@ static void handle_cursor_motion_absolute(struct wl_listener *listener, wl_container_of(listener, sample, cursor_motion_absolute); struct wlr_event_pointer_motion_absolute *event = data; - wlr_cursor_warp_absolute(sample->cursor, event->device, event->x_mm, - event->y_mm); + wlr_cursor_warp_absolute(sample->cursor, event->device, + event->x_mm / event->width_mm, event->y_mm / event->height_mm); + + update_pointer_position(sample, event->time_sec); } static void handle_cursor_axis(struct wl_listener *listener, void *data) { @@ -333,10 +424,42 @@ static void handle_cursor_axis(struct wl_listener *listener, void *data) { } static void handle_cursor_button(struct wl_listener *listener, void *data) { - //struct sample_state *sample = - //wl_container_of(listener, sample, cursor_button); - //struct wlr_event_pointer_button *event = data; - wlr_log(L_DEBUG, "TODO: handle cursor button"); + struct sample_state *sample = + wl_container_of(listener, sample, cursor_button); + struct wlr_event_pointer_button *event = data; + + struct wlr_xdg_surface_v6 *surface = + example_xdg_surface_at(sample, sample->cursor->x, sample->cursor->y); + + example_set_focused_surface(sample, surface); + + wlr_seat_pointer_send_button(sample->wl_seat, event->time_sec, + event->button, event->state); +} + +static void handle_tool_axis(struct wl_listener *listener, void *data) { + struct sample_state *sample = + wl_container_of(listener, sample, tool_axis); + struct wlr_event_tablet_tool_axis *event = data; + if ((event->updated_axes & WLR_TABLET_TOOL_AXIS_X) && + (event->updated_axes & WLR_TABLET_TOOL_AXIS_Y)) { + wlr_cursor_warp_absolute(sample->cursor, event->device, + event->x_mm / event->width_mm, event->y_mm / event->height_mm); + update_pointer_position(sample, event->time_sec); + } +} + +static void handle_tool_tip(struct wl_listener *listener, void *data) { + struct sample_state *sample = + wl_container_of(listener, sample, tool_tip); + struct wlr_event_tablet_tool_tip *event = data; + + struct wlr_xdg_surface_v6 *surface = + example_xdg_surface_at(sample, sample->cursor->x, sample->cursor->y); + example_set_focused_surface(sample, surface); + + wlr_seat_pointer_send_button(sample->wl_seat, event->time_sec, + BTN_MOUSE, event->state); } static void handle_input_add(struct compositor_state *state, @@ -436,6 +559,12 @@ int main(int argc, char *argv[]) { wl_signal_add(&state.cursor->events.axis, &state.cursor_axis); state.cursor_axis.notify = handle_cursor_axis; + wl_signal_add(&state.cursor->events.tablet_tool_axis, &state.tool_axis); + state.tool_axis.notify = handle_tool_axis; + + wl_signal_add(&state.cursor->events.tablet_tool_tip, &state.tool_tip); + state.tool_tip.notify = handle_tool_tip; + compositor_init(&compositor); state.renderer = wlr_gles2_renderer_create(compositor.backend); @@ -462,6 +591,7 @@ int main(int argc, char *argv[]) { wlr_gamma_control_manager_create(compositor.display); state.wl_seat = wlr_seat_create(compositor.display, "seat0"); + assert(state.wl_seat); state.keyboard_bound.notify = handle_keyboard_bound; wl_signal_add(&state.wl_seat->events.keyboard_bound, &state.keyboard_bound); wlr_seat_set_capabilities(state.wl_seat, WL_SEAT_CAPABILITY_KEYBOARD diff --git a/include/wlr/types/wlr_cursor.h b/include/wlr/types/wlr_cursor.h index 5fc0ec76..88390e0d 100644 --- a/include/wlr/types/wlr_cursor.h +++ b/include/wlr/types/wlr_cursor.h @@ -11,7 +11,7 @@ struct wlr_cursor_state; struct wlr_cursor { struct wlr_cursor_state *state; - int x, y; + double x, y; struct { struct wl_signal motion; diff --git a/include/wlr/types/wlr_seat.h b/include/wlr/types/wlr_seat.h index 69f17b1e..4b433ccb 100644 --- a/include/wlr/types/wlr_seat.h +++ b/include/wlr/types/wlr_seat.h @@ -1,5 +1,7 @@ #ifndef _WLR_TYPES_SEAT_H #define _WLR_TYPES_SEAT_H +#include +#include #include /** @@ -19,13 +21,25 @@ struct wlr_seat_handle { struct wl_list link; }; +struct wlr_seat_pointer_state { + struct wlr_seat *wlr_seat; + struct wlr_seat_handle *focused_handle; + struct wlr_surface *focused_surface; + + struct wl_listener focus_surface_destroy_listener; + struct wl_listener focus_resource_destroy_listener; +}; + struct wlr_seat { struct wl_global *wl_global; + struct wl_display *display; struct wl_list handles; char *name; uint32_t capabilities; struct wlr_data_device *data_device; + struct wlr_seat_pointer_state pointer_state; + struct { struct wl_signal client_bound; struct wl_signal client_unbound; @@ -54,11 +68,45 @@ struct wlr_seat_handle *wlr_seat_handle_for_client(struct wlr_seat *wlr_seat, * Updates the capabilities available on this seat. * Will automatically send them to all clients. */ -void wlr_seat_set_capabilities(struct wlr_seat *wlr_seat, uint32_t capabilities); +void wlr_seat_set_capabilities(struct wlr_seat *wlr_seat, + uint32_t capabilities); /** * Updates the name of this seat. * Will automatically send it to all clients. */ void wlr_seat_set_name(struct wlr_seat *wlr_seat, const char *name); +/** + * Whether or not the surface has pointer focus + */ +bool wlr_seat_pointer_surface_has_focus(struct wlr_seat *wlr_seat, + struct wlr_surface *surface); + +/** + * Send a pointer enter event to the given surface and consider it to be the + * focused surface for the pointer. This will send a leave event to the last + * surface that was entered. Coordinates for the enter event are surface-local. + */ +void wlr_seat_pointer_enter(struct wlr_seat *wlr_seat, + struct wlr_surface *surface, double sx, double sy); + +/** + * Clear the focused surface for the pointer and leave all entered surfaces. + */ +void wlr_seat_pointer_clear_focus(struct wlr_seat *wlr_seat); + +/** + * Send a motion event to the surface with pointer focus. Coordinates for the + * motion event are surface-local. + */ +void wlr_seat_pointer_send_motion(struct wlr_seat *wlr_seat, uint32_t time, + double sx, double sy); + +/** + * Send a button event to the surface with pointer focus. Coordinates for the + * button event are surface-local. + */ +void wlr_seat_pointer_send_button(struct wlr_seat *wlr_seat, uint32_t time, + uint32_t button, uint32_t state); + #endif diff --git a/types/wlr_seat.c b/types/wlr_seat.c index 2c1abd94..9a254b35 100644 --- a/types/wlr_seat.c +++ b/types/wlr_seat.c @@ -4,6 +4,7 @@ #include #include #include +#include #include static void resource_destroy(struct wl_client *client, @@ -12,11 +13,11 @@ static void resource_destroy(struct wl_client *client, } static void wl_pointer_set_cursor(struct wl_client *client, - struct wl_resource *resource, - uint32_t serial, - struct wl_resource *surface, - int32_t hotspot_x, - int32_t hotspot_y) { + struct wl_resource *resource, + uint32_t serial, + struct wl_resource *surface, + int32_t hotspot_x, + int32_t hotspot_y) { wlr_log(L_DEBUG, "TODO: wl_pointer_set_cursor"); } @@ -109,8 +110,12 @@ static void wl_seat_get_touch(struct wl_client *client, handle, &wl_touch_destroy); } -static void wl_seat_destroy(struct wl_resource *resource) { +static void wlr_seat_handle_resource_destroy(struct wl_resource *resource) { struct wlr_seat_handle *handle = wl_resource_get_user_data(resource); + if (handle == handle->wlr_seat->pointer_state.focused_handle) { + handle->wlr_seat->pointer_state.focused_handle = NULL; + } + if (handle->pointer) { wl_resource_destroy(handle->pointer); } @@ -140,7 +145,8 @@ static void wl_seat_bind(struct wl_client *wl_client, void *_wlr_seat, struct wlr_seat *wlr_seat = _wlr_seat; assert(wl_client && wlr_seat); if (version > 6) { - wlr_log(L_ERROR, "Client requested unsupported wl_seat version, disconnecting"); + wlr_log(L_ERROR, + "Client requested unsupported wl_seat version, disconnecting"); wl_client_destroy(wl_client); return; } @@ -149,7 +155,7 @@ static void wl_seat_bind(struct wl_client *wl_client, void *_wlr_seat, wl_client, &wl_seat_interface, version, id); handle->wlr_seat = wlr_seat; wl_resource_set_implementation(handle->wl_resource, &wl_seat_impl, - handle, wl_seat_destroy); + handle, wlr_seat_handle_resource_destroy); wl_list_insert(&wlr_seat->handles, &handle->link); wl_seat_send_capabilities(handle->wl_resource, wlr_seat->capabilities); wl_signal_emit(&wlr_seat->events.client_bound, handle); @@ -160,6 +166,9 @@ struct wlr_seat *wlr_seat_create(struct wl_display *display, const char *name) { if (!wlr_seat) { return NULL; } + + wlr_seat->pointer_state.wlr_seat = wlr_seat; + struct wl_global *wl_global = wl_global_create(display, &wl_seat_interface, 6, wlr_seat, wl_seat_bind); if (!wl_global) { @@ -167,11 +176,17 @@ struct wlr_seat *wlr_seat_create(struct wl_display *display, const char *name) { return NULL; } wlr_seat->wl_global = wl_global; + wlr_seat->display = display; wlr_seat->name = strdup(name); wl_list_init(&wlr_seat->handles); + wl_signal_init(&wlr_seat->events.client_bound); wl_signal_init(&wlr_seat->events.client_unbound); wl_signal_init(&wlr_seat->events.keyboard_bound); + + wl_list_init(&wlr_seat->pointer_state.focus_resource_destroy_listener.link); + wl_list_init(&wlr_seat->pointer_state.focus_surface_destroy_listener.link); + return wlr_seat; } @@ -182,7 +197,8 @@ void wlr_seat_destroy(struct wlr_seat *wlr_seat) { struct wlr_seat_handle *handle, *tmp; wl_list_for_each_safe(handle, tmp, &wlr_seat->handles, link) { - wl_resource_destroy(handle->wl_resource); // will destroy other resources as well + // will destroy other resources as well + wl_resource_destroy(handle->wl_resource); } wl_global_destroy(wlr_seat->wl_global); @@ -220,3 +236,116 @@ void wlr_seat_set_name(struct wlr_seat *wlr_seat, const char *name) { wl_seat_send_name(handle->wl_resource, name); } } + +bool wlr_seat_pointer_surface_has_focus(struct wlr_seat *wlr_seat, + struct wlr_surface *surface) { + return surface == wlr_seat->pointer_state.focused_surface; +} + +static void handle_pointer_focus_surface_destroyed( + struct wl_listener *listener, void *data) { + struct wlr_seat_pointer_state *state = + wl_container_of(listener, state, focus_surface_destroy_listener); + + state->focused_surface = NULL; + wlr_seat_pointer_clear_focus(state->wlr_seat); +} + +static void handle_pointer_focus_resource_destroyed( + struct wl_listener *listener, void *data) { + struct wlr_seat_pointer_state *state = + wl_container_of(listener, state, focus_resource_destroy_listener); + + state->focused_surface = NULL; + wlr_seat_pointer_clear_focus(state->wlr_seat); +} + +void wlr_seat_pointer_enter(struct wlr_seat *wlr_seat, + struct wlr_surface *surface, double sx, double sy) { + assert(wlr_seat); + + if (wlr_seat->pointer_state.focused_surface == surface) { + // this surface already got an enter notify + return; + } + + struct wlr_seat_handle *handle = NULL; + + if (surface) { + struct wl_client *client = wl_resource_get_client(surface->resource); + handle = wlr_seat_handle_for_client(wlr_seat, client); + } + + struct wlr_seat_handle *focused_handle = + wlr_seat->pointer_state.focused_handle; + struct wlr_surface *focused_surface = + wlr_seat->pointer_state.focused_surface; + + // leave the previously entered surface + if (focused_handle && focused_surface) { + uint32_t serial = wl_display_next_serial(wlr_seat->display); + wl_pointer_send_leave(focused_handle->pointer, serial, + focused_surface->resource); + wl_pointer_send_frame(focused_handle->pointer); + } + + // enter the current surface + if (handle) { + uint32_t serial = wl_display_next_serial(wlr_seat->display); + wl_pointer_send_enter(handle->pointer, serial, surface->resource, + wl_fixed_from_double(sx), wl_fixed_from_double(sy)); + wl_pointer_send_frame(handle->pointer); + } + + // reinitialize the focus destroy events + wl_list_remove( + &wlr_seat->pointer_state.focus_surface_destroy_listener.link); + wl_list_init(&wlr_seat->pointer_state.focus_surface_destroy_listener.link); + wl_list_remove( + &wlr_seat->pointer_state.focus_resource_destroy_listener.link); + wl_list_init(&wlr_seat->pointer_state.focus_resource_destroy_listener.link); + if (surface) { + wl_signal_add(&surface->signals.destroy, + &wlr_seat->pointer_state.focus_surface_destroy_listener); + wl_resource_add_destroy_listener(surface->resource, + &wlr_seat->pointer_state.focus_resource_destroy_listener); + wlr_seat->pointer_state.focus_resource_destroy_listener.notify = + handle_pointer_focus_resource_destroyed; + wlr_seat->pointer_state.focus_surface_destroy_listener.notify = + handle_pointer_focus_surface_destroyed; + } + + wlr_seat->pointer_state.focused_handle = handle; + wlr_seat->pointer_state.focused_surface = surface; + + // TODO: send focus change event +} + +void wlr_seat_pointer_clear_focus(struct wlr_seat *wlr_seat) { + wlr_seat_pointer_enter(wlr_seat, NULL, 0, 0); +} + +void wlr_seat_pointer_send_motion(struct wlr_seat *wlr_seat, uint32_t time, + double sx, double sy) { + if (!wlr_seat->pointer_state.focused_handle) { + // nobody to send the event to + return; + } + + wl_pointer_send_motion(wlr_seat->pointer_state.focused_handle->pointer, + time, wl_fixed_from_double(sx), wl_fixed_from_double(sy)); + wl_pointer_send_frame(wlr_seat->pointer_state.focused_handle->pointer); +} + +void wlr_seat_pointer_send_button(struct wlr_seat *wlr_seat, uint32_t time, + uint32_t button, uint32_t state) { + if (!wlr_seat->pointer_state.focused_handle) { + // nobody to send the event to + return; + } + + uint32_t serial = wl_display_next_serial(wlr_seat->display); + wl_pointer_send_button(wlr_seat->pointer_state.focused_handle->pointer, + serial, time, button, state); + wl_pointer_send_frame(wlr_seat->pointer_state.focused_handle->pointer); +}