diff options
Diffstat (limited to 'examples')
| -rw-r--r-- | examples/layer-shell.c | 150 | ||||
| -rw-r--r-- | examples/meson.build | 3 |
2 files changed, 143 insertions, 10 deletions
diff --git a/examples/layer-shell.c b/examples/layer-shell.c index 70407888..89fa9ea9 100644 --- a/examples/layer-shell.c +++ b/examples/layer-shell.c @@ -7,12 +7,17 @@ #include <time.h> #include <unistd.h> #include <wayland-client.h> +#include <wayland-cursor.h> #include <wayland-egl.h> #include <wlr/render/egl.h> #include <wlr/util/log.h> #include "wlr-layer-shell-unstable-v1-client-protocol.h" static struct wl_compositor *compositor = NULL; +static struct wl_seat *seat = NULL; +static struct wl_shm *shm = NULL; +static struct wl_pointer *pointer = NULL; +//static struct wl_keyboard *keyboard = NULL; static struct zwlr_layer_shell_v1 *layer_shell = NULL; struct zwlr_layer_surface_v1 *layer_surface; static struct wl_output *wl_output = NULL; @@ -32,6 +37,12 @@ static double alpha = 1.0; static bool run_display = true; static bool animate = false; static double frame = 0; +static int cur_x = -1, cur_y = -1; +static int buttons = 0; + +struct wl_cursor_theme *cursor_theme; +struct wl_cursor_image *cursor_image; +struct wl_surface *cursor_surface; static struct { struct timespec last_frame; @@ -62,13 +73,15 @@ static void draw(void) { (ts.tv_nsec - demo.last_frame.tv_nsec) / 1000000; int inc = (demo.dec + 1) % 3; - demo.color[inc] += ms / 2000.0f; - demo.color[demo.dec] -= ms / 2000.0f; + if (!buttons) { + demo.color[inc] += ms / 2000.0f; + demo.color[demo.dec] -= ms / 2000.0f; - if (demo.color[demo.dec] < 0.0f) { - demo.color[inc] = 1.0f; - demo.color[demo.dec] = 0.0f; - demo.dec = inc; + if (demo.color[demo.dec] < 0.0f) { + demo.color[inc] = 1.0f; + demo.color[demo.dec] = 0.0f; + demo.dec = inc; + } } if (animate) { @@ -83,9 +96,21 @@ static void draw(void) { } glViewport(0, 0, width, height); - glClearColor(demo.color[0], demo.color[1], demo.color[2], alpha); + if (buttons) { + glClearColor(1, 1, 1, alpha); + } else { + glClearColor(demo.color[0], demo.color[1], demo.color[2], alpha); + } glClear(GL_COLOR_BUFFER_BIT); + if (cur_x != -1 && cur_y != -1) { + glEnable(GL_SCISSOR_TEST); + glScissor(cur_x, height - cur_y, 5, 5); + glClearColor(0, 0, 0, 1); + glClear(GL_COLOR_BUFFER_BIT); + glDisable(GL_SCISSOR_TEST); + } + frame_callback = wl_surface_frame(wl_surface); wl_callback_add_listener(frame_callback, &frame_listener, NULL); @@ -119,11 +144,102 @@ 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) { + wl_surface_attach(cursor_surface, + wl_cursor_image_get_buffer(cursor_image), 0, 0); + wl_pointer_set_cursor(wl_pointer, serial, cursor_surface, + cursor_image->hotspot_x, cursor_image->hotspot_y); + wl_surface_commit(cursor_surface); +} + +static void wl_pointer_leave(void *data, struct wl_pointer *wl_pointer, + uint32_t serial, struct wl_surface *surface) { + cur_x = cur_y = -1; + buttons = 0; +} + +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) { + cur_x = wl_fixed_to_int(surface_x); + cur_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) { + if (state == WL_POINTER_BUTTON_STATE_PRESSED) { + buttons++; + } else { + buttons--; + } +} + +static void wl_pointer_axis(void *data, struct wl_pointer *wl_pointer, + uint32_t time, uint32_t axis, wl_fixed_t value) { + // Who cares +} + +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) { + if ((caps & WL_SEAT_CAPABILITY_POINTER)) { + pointer = wl_seat_get_pointer(wl_seat); + wl_pointer_add_listener(pointer, &pointer_listener, NULL); + } + if ((caps & WL_SEAT_CAPABILITY_KEYBOARD)) { + // TODO + } +} + +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) { if (strcmp(interface, "wl_compositor") == 0) { compositor = wl_registry_bind(registry, name, &wl_compositor_interface, 1); + } else if (strcmp(interface, wl_shm_interface.name) == 0) { + shm = wl_registry_bind(registry, name, + &wl_shm_interface, 1); } else if (strcmp(interface, "wl_output") == 0) { if (output == 0 && !wl_output) { wl_output = wl_registry_bind(registry, name, @@ -131,6 +247,10 @@ static void handle_global(void *data, struct wl_registry *registry, } else { output--; } + } else if (strcmp(interface, wl_seat_interface.name) == 0) { + seat = wl_registry_bind(registry, name, + &wl_seat_interface, 1); + wl_seat_add_listener(seat, &seat_listener, NULL); } else if (strcmp(interface, zwlr_layer_shell_v1_interface.name) == 0) { layer_shell = wl_registry_bind( registry, name, &zwlr_layer_shell_v1_interface, 1); @@ -250,11 +370,15 @@ int main(int argc, char **argv) { wl_display_roundtrip(display); if (compositor == NULL) { - fprintf(stderr, "wl-compositor not available\n"); + fprintf(stderr, "wl_compositor not available\n"); + return 1; + } + if (shm == NULL) { + fprintf(stderr, "wl_shm not available\n"); return 1; } if (layer_shell == NULL) { - fprintf(stderr, "layer-shell not available\n"); + fprintf(stderr, "layer_shell not available\n"); return 1; } if (wl_output == NULL) { @@ -262,6 +386,12 @@ int main(int argc, char **argv) { return 1; } + assert(cursor_theme = wl_cursor_theme_load(NULL, 16, shm)); + struct wl_cursor *cursor; + assert(cursor = wl_cursor_theme_get_cursor(cursor_theme, "left_ptr")); + cursor_image = cursor->images[0]; + assert(cursor_surface = wl_compositor_create_surface(compositor)); + EGLint attribs[] = { EGL_ALPHA_SIZE, 8, EGL_NONE }; wlr_egl_init(&egl, EGL_PLATFORM_WAYLAND_EXT, display, attribs, WL_SHM_FORMAT_ARGB8888); @@ -294,5 +424,7 @@ int main(int argc, char **argv) { while (wl_display_dispatch(display) != -1 && run_display) { // This space intentionally left blank } + + wl_cursor_theme_destroy(cursor_theme); return 0; } diff --git a/examples/meson.build b/examples/meson.build index 558af4ac..9e60c37a 100644 --- a/examples/meson.build +++ b/examples/meson.build @@ -6,6 +6,7 @@ lib_shared = static_library( ) threads = dependency('threads') +wayland_cursor = dependency('wayland-cursor') executable('simple', 'simple.c', dependencies: wlroots, link_with: lib_shared) executable('pointer', 'pointer.c', dependencies: wlroots, link_with: lib_shared) @@ -52,5 +53,5 @@ executable( executable( 'layer-shell', 'layer-shell.c', - dependencies: [wayland_client, wlr_protos, wlroots] + dependencies: [wayland_cursor, wayland_client, wlr_protos, wlroots] ) |