diff --git a/include/swaybar/bar.h b/include/swaybar/bar.h index 1bf2ea2d5..74292519f 100644 --- a/include/swaybar/bar.h +++ b/include/swaybar/bar.h @@ -2,20 +2,39 @@ #define _SWAYBAR_BAR_H #include #include "pool-buffer.h" -#include "list.h" struct swaybar_config; struct swaybar_output; struct swaybar_workspace; +struct swaybar_pointer { + struct wl_pointer *pointer; + struct wl_cursor_theme *cursor_theme; + struct wl_cursor_image *cursor_image; + struct wl_surface *cursor_surface; + struct swaybar_output *current; + int x, y; +}; + +struct swaybar_hotspot { + struct wl_list link; + int x, y, width, height; + void (*callback)(struct swaybar_output *output, + int x, int y, uint32_t button, void *data); + void (*destroy)(void *data); + void *data; +}; + struct swaybar { struct wl_display *display; struct wl_compositor *compositor; struct zwlr_layer_shell_v1 *layer_shell; struct wl_shm *shm; + struct wl_seat *seat; struct swaybar_config *config; struct swaybar_output *focused_output; + struct swaybar_pointer pointer; struct status_line *status; int ipc_event_socketfd; @@ -32,6 +51,7 @@ struct swaybar_output { struct zwlr_layer_surface_v1 *layer_surface; struct wl_list workspaces; + struct wl_list hotspots; char *name; size_t index; @@ -51,7 +71,6 @@ struct swaybar_workspace { bool urgent; }; -// TODO: Rename stuff to match wlroots conventions (init/create/etc) void bar_setup(struct swaybar *bar, const char *socket_path, const char *bar_id); diff --git a/include/swaybar/ipc.h b/include/swaybar/ipc.h index 278baef0d..6ea7c4d67 100644 --- a/include/swaybar/ipc.h +++ b/include/swaybar/ipc.h @@ -6,5 +6,6 @@ void ipc_initialize(struct swaybar *bar, const char *bar_id); bool handle_ipc_event(struct swaybar *bar); void ipc_get_workspaces(struct swaybar *bar); +void ipc_send_workspace_command(struct swaybar *bar, const char *ws); #endif diff --git a/meson.build b/meson.build index 49824b30c..01788fd9f 100644 --- a/meson.build +++ b/meson.build @@ -24,6 +24,7 @@ pcre = dependency('libpcre') wlroots = dependency('wlroots', fallback: ['wlroots', 'wlroots']) wayland_server = dependency('wayland-server') wayland_client = dependency('wayland-client') +wayland_cursor = dependency('wayland-cursor') wayland_egl = dependency('wayland-egl') wayland_protos = dependency('wayland-protocols') xkbcommon = dependency('xkbcommon') diff --git a/swaybar/bar.c b/swaybar/bar.c index 0fc415178..f743236c2 100644 --- a/swaybar/bar.c +++ b/swaybar/bar.c @@ -9,7 +9,13 @@ #include #include #include +#include #include +#ifdef __FreeBSD__ +#include +#else +#include +#endif #include "swaybar/render.h" #include "swaybar/config.h" #include "swaybar/event_loop.h" @@ -18,6 +24,7 @@ #include "swaybar/ipc.h" #include "ipc-client.h" #include "list.h" +#include "log.h" #include "pango.h" #include "pool-buffer.h" #include "wlr-layer-shell-unstable-v1-client-protocol.h" @@ -27,12 +34,6 @@ static void bar_init(struct swaybar *bar) { wl_list_init(&bar->outputs); } -struct swaybar_output *new_output(const char *name) { - struct swaybar_output *output = malloc(sizeof(struct swaybar_output)); - output->name = strdup(name); - return output; -} - static void layer_surface_configure(void *data, struct zwlr_layer_surface_v1 *surface, uint32_t serial, uint32_t width, uint32_t height) { @@ -56,12 +57,156 @@ struct zwlr_layer_surface_v1_listener layer_surface_listener = { .closed = layer_surface_closed, }; +static void wl_pointer_enter(void *data, struct wl_pointer *wl_pointer, + uint32_t serial, struct wl_surface *surface, + wl_fixed_t surface_x, wl_fixed_t surface_y) { + struct swaybar *bar = data; + struct swaybar_pointer *pointer = &bar->pointer; + struct swaybar_output *output; + wl_list_for_each(output, &bar->outputs, link) { + if (output->surface == surface) { + pointer->current = output; + break; + } + } + wl_surface_attach(pointer->cursor_surface, + wl_cursor_image_get_buffer(pointer->cursor_image), 0, 0); + wl_pointer_set_cursor(wl_pointer, serial, pointer->cursor_surface, + pointer->cursor_image->hotspot_x, + pointer->cursor_image->hotspot_y); + wl_surface_commit(pointer->cursor_surface); +} + +static void wl_pointer_leave(void *data, struct wl_pointer *wl_pointer, + uint32_t serial, struct wl_surface *surface) { + struct swaybar *bar = data; + bar->pointer.current = NULL; +} + +static void wl_pointer_motion(void *data, struct wl_pointer *wl_pointer, + uint32_t time, wl_fixed_t surface_x, wl_fixed_t surface_y) { + struct swaybar *bar = data; + bar->pointer.x = wl_fixed_to_int(surface_x); + bar->pointer.y = wl_fixed_to_int(surface_y); +} + +static void wl_pointer_button(void *data, struct wl_pointer *wl_pointer, + uint32_t serial, uint32_t time, uint32_t button, uint32_t state) { + struct swaybar *bar = data; + struct swaybar_pointer *pointer = &bar->pointer; + struct swaybar_output *output = pointer->current; + if (!sway_assert(output, "button with no active output")) { + return; + } + if (state != WL_POINTER_BUTTON_STATE_PRESSED) { + return; + } + struct swaybar_hotspot *hotspot; + wl_list_for_each(hotspot, &output->hotspots, link) { + if (pointer->x >= hotspot->x + && pointer->y >= hotspot->y + && pointer->x < hotspot->x + hotspot->width + && pointer->y < hotspot->y + hotspot->height) { + hotspot->callback(output, pointer->x, pointer->y, + button, hotspot->data); + } + } +} + +static void wl_pointer_axis(void *data, struct wl_pointer *wl_pointer, + uint32_t time, uint32_t axis, wl_fixed_t value) { + struct swaybar *bar = data; + struct swaybar_output *output = bar->pointer.current; + if (!sway_assert(output, "axis with no active output")) { + return; + } + double amt = wl_fixed_to_double(value); + if (!bar->config->wrap_scroll) { + int i = 0; + struct swaybar_workspace *ws = NULL; + wl_list_for_each(ws, &output->workspaces, link) { + if (ws->focused) { + break; + } + ++i; + } + int len = wl_list_length(&output->workspaces); + if (!sway_assert(i != len, "axis with null workspace")) { + return; + } + if (i == 0 && amt > 0) { + return; // Do not wrap + } + if (i == len - 1 && amt < 0) { + return; // Do not wrap + } + } + + const char *workspace_name = + amt < 0 ? "prev_on_output" : "next_on_output"; + ipc_send_workspace_command(bar, workspace_name); +} + +static void wl_pointer_frame(void *data, struct wl_pointer *wl_pointer) { + // Who cares +} + +static void wl_pointer_axis_source(void *data, struct wl_pointer *wl_pointer, + uint32_t axis_source) { + // Who cares +} + +static void wl_pointer_axis_stop(void *data, struct wl_pointer *wl_pointer, + uint32_t time, uint32_t axis) { + // Who cares +} + +static void wl_pointer_axis_discrete(void *data, struct wl_pointer *wl_pointer, + uint32_t axis, int32_t discrete) { + // Who cares +} + +struct wl_pointer_listener pointer_listener = { + .enter = wl_pointer_enter, + .leave = wl_pointer_leave, + .motion = wl_pointer_motion, + .button = wl_pointer_button, + .axis = wl_pointer_axis, + .frame = wl_pointer_frame, + .axis_source = wl_pointer_axis_source, + .axis_stop = wl_pointer_axis_stop, + .axis_discrete = wl_pointer_axis_discrete, +}; + +static void seat_handle_capabilities(void *data, struct wl_seat *wl_seat, + enum wl_seat_capability caps) { + struct swaybar *bar = data; + if ((caps & WL_SEAT_CAPABILITY_POINTER)) { + bar->pointer.pointer = wl_seat_get_pointer(wl_seat); + wl_pointer_add_listener(bar->pointer.pointer, &pointer_listener, bar); + } +} + +static void seat_handle_name(void *data, struct wl_seat *wl_seat, + const char *name) { + // Who cares +} + +const struct wl_seat_listener seat_listener = { + .capabilities = seat_handle_capabilities, + .name = seat_handle_name, +}; + static void handle_global(void *data, struct wl_registry *registry, uint32_t name, const char *interface, uint32_t version) { struct swaybar *bar = data; if (strcmp(interface, wl_compositor_interface.name) == 0) { bar->compositor = wl_registry_bind(registry, name, &wl_compositor_interface, 1); + } else if (strcmp(interface, wl_seat_interface.name) == 0) { + bar->seat = wl_registry_bind(registry, name, + &wl_seat_interface, 1); + wl_seat_add_listener(bar->seat, &seat_listener, bar); } else if (strcmp(interface, wl_shm_interface.name) == 0) { bar->shm = wl_registry_bind(registry, name, &wl_shm_interface, 1); @@ -74,6 +219,7 @@ static void handle_global(void *data, struct wl_registry *registry, &wl_output_interface, 1); output->index = index++; wl_list_init(&output->workspaces); + wl_list_init(&output->hotspots); wl_list_insert(&bar->outputs, &output->link); } else if (strcmp(interface, zwlr_layer_shell_v1_interface.name) == 0) { bar->layer_shell = wl_registry_bind( @@ -116,6 +262,15 @@ void bar_setup(struct swaybar *bar, wl_registry_add_listener(registry, ®istry_listener, bar); wl_display_roundtrip(bar->display); assert(bar->compositor && bar->layer_shell && bar->shm); + struct swaybar_pointer *pointer = &bar->pointer; + + assert(pointer->cursor_theme = wl_cursor_theme_load(NULL, 16, bar->shm)); + struct wl_cursor *cursor; + assert(cursor = wl_cursor_theme_get_cursor( + pointer->cursor_theme, "left_ptr")); + pointer->cursor_image = cursor->images[0]; + assert(pointer->cursor_surface = + wl_compositor_create_surface(bar->compositor)); // TODO: we might not necessarily be meant to do all of the outputs struct swaybar_output *output; diff --git a/swaybar/ipc.c b/swaybar/ipc.c index 326f25cc2..64583df06 100644 --- a/swaybar/ipc.c +++ b/swaybar/ipc.c @@ -8,6 +8,14 @@ #include "swaybar/ipc.h" #include "ipc-client.h" +void ipc_send_workspace_command(struct swaybar *bar, const char *ws) { + const char *fmt = "workspace \"%s\""; + uint32_t size = snprintf(NULL, 0, fmt, ws); + char command[size]; + snprintf(command, size, fmt, ws); + ipc_single_command(bar->ipc_socketfd, IPC_COMMAND, command, &size); +} + char *parse_font(const char *font) { char *new_font = NULL; if (strncmp("pango:", font, 6) == 0) { diff --git a/swaybar/meson.build b/swaybar/meson.build index d15e8b5c1..bf6f6d7a2 100644 --- a/swaybar/meson.build +++ b/swaybar/meson.build @@ -1,6 +1,5 @@ executable( - 'swaybar', - [ + 'swaybar', [ 'bar.c', 'config.c', 'event_loop.c', @@ -20,6 +19,7 @@ executable( pangocairo, rt, wayland_client, + wayland_cursor, wlroots, ], link_with: [lib_sway_common, lib_sway_client], diff --git a/swaybar/render.c b/swaybar/render.c index 3d9ef66bb..c23587245 100644 --- a/swaybar/render.c +++ b/swaybar/render.c @@ -1,3 +1,4 @@ +#define _POSIX_C_SOURCE 200809L #include #include #include @@ -8,6 +9,7 @@ #include "pool-buffer.h" #include "swaybar/bar.h" #include "swaybar/config.h" +#include "swaybar/ipc.h" #include "swaybar/render.h" #include "swaybar/status_line.h" #include "wlr-layer-shell-unstable-v1-client-protocol.h" @@ -108,9 +110,14 @@ static const char *strip_workspace_number(const char *ws_name) { return ws_name; } +static void workspace_hotspot_callback(struct swaybar_output *output, + int x, int y, uint32_t button, void *data) { + ipc_send_workspace_command(output->bar, (const char *)data); +} + static uint32_t render_workspace_button(cairo_t *cairo, - struct swaybar_config *config, struct swaybar_workspace *ws, - double *x, uint32_t height) { + struct swaybar_output *output, struct swaybar_config *config, + struct swaybar_workspace *ws, double *x, uint32_t height) { const char *name = ws->name; if (config->strip_workspace_numbers) { name = strip_workspace_number(ws->name); @@ -156,8 +163,18 @@ static uint32_t render_workspace_button(cairo_t *cairo, cairo_move_to(cairo, *x + width / 2 - text_width / 2, (int)floor(text_y)); pango_printf(cairo, config->font, 1, true, "%s", name); + struct swaybar_hotspot *hotspot = calloc(1, sizeof(struct swaybar_hotspot)); + hotspot->x = *x; + hotspot->y = 0; + hotspot->height = height; + hotspot->width = width; + hotspot->callback = workspace_hotspot_callback; + hotspot->destroy = free; + hotspot->data = strdup(name); + wl_list_insert(&output->hotspots, &hotspot->link); + *x += width; - return ideal_height; + return height; } static uint32_t render_to_cairo(cairo_t *cairo, @@ -184,8 +201,8 @@ static uint32_t render_to_cairo(cairo_t *cairo, if (config->workspace_buttons) { struct swaybar_workspace *ws; wl_list_for_each_reverse(ws, &output->workspaces, link) { - uint32_t h = render_workspace_button( - cairo, config, ws, &x, output->height); + uint32_t h = render_workspace_button(cairo, + output, config, ws, &x, output->height); max_height = h > max_height ? h : max_height; } } @@ -203,8 +220,16 @@ static uint32_t render_to_cairo(cairo_t *cairo, return max_height > output->height ? max_height : output->height; } -void render_frame(struct swaybar *bar, - struct swaybar_output *output) { +void render_frame(struct swaybar *bar, struct swaybar_output *output) { + struct swaybar_hotspot *hotspot, *tmp; + wl_list_for_each_safe(hotspot, tmp, &output->hotspots, link) { + if (hotspot->destroy) { + hotspot->destroy(hotspot->data); + } + wl_list_remove(&hotspot->link); + free(hotspot); + } + cairo_surface_t *recorder = cairo_recording_surface_create( CAIRO_CONTENT_COLOR_ALPHA, NULL); cairo_t *cairo = cairo_create(recorder);