diff options
Diffstat (limited to 'examples')
| -rw-r--r-- | examples/layer-shell.c | 208 |
1 files changed, 187 insertions, 21 deletions
diff --git a/examples/layer-shell.c b/examples/layer-shell.c index 245d762f..0e1d61ca 100644 --- a/examples/layer-shell.c +++ b/examples/layer-shell.c @@ -1,4 +1,9 @@ #define _POSIX_C_SOURCE 199309L +#ifdef __linux__ +#include <linux/input-event-codes.h> +#elif __FreeBSD__ +#include <dev/evdev/input-event-codes.h> +#endif #include <assert.h> #include <GLES2/gl2.h> #include <limits.h> @@ -13,15 +18,19 @@ #include <wlr/render/egl.h> #include <wlr/util/log.h> #include "wlr-layer-shell-unstable-v1-client-protocol.h" +#include "xdg-shell-client-protocol.h" + +static struct wl_display *display; +static struct wl_compositor *compositor; +static struct wl_seat *seat; +static struct wl_shm *shm; +static struct wl_pointer *pointer; +static struct wl_keyboard *keyboard; +static struct xdg_wm_base *xdg_wm_base; +static struct zwlr_layer_shell_v1 *layer_shell; -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; +static struct wl_output *wl_output; struct wl_surface *wl_surface; struct wlr_egl egl; @@ -30,6 +39,14 @@ struct wlr_egl_surface *egl_surface; struct wl_callback *frame_callback; static uint32_t output = UINT32_MAX; +struct xdg_popup *popup; +struct wl_surface *popup_wl_surface; +struct wl_egl_window *popup_egl_window; +static uint32_t popup_width = 256, popup_height = 256; +struct wlr_egl_surface *popup_egl_surface; +struct wl_callback *popup_frame_callback; +float popup_alpha = 1.0, popup_red = 0.5f; + static uint32_t layer = ZWLR_LAYER_SHELL_V1_LAYER_BACKGROUND; static uint32_t anchor = 0; static uint32_t width = 256, height = 256; @@ -42,9 +59,9 @@ 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; +struct wl_cursor_image *popup_cursor_image; +struct wl_surface *cursor_surface, *input_surface; static struct { struct timespec last_frame; @@ -53,6 +70,7 @@ static struct { } demo; static void draw(void); +static void draw_popup(void); static void surface_frame_callback( void *data, struct wl_callback *cb, uint32_t time) { @@ -65,9 +83,19 @@ static struct wl_callback_listener frame_listener = { .done = surface_frame_callback }; +static void popup_surface_frame_callback( + void *data, struct wl_callback *cb, uint32_t time) { + wl_callback_destroy(cb); + popup_frame_callback = NULL; + draw_popup(); +} + +static struct wl_callback_listener popup_frame_listener = { + .done = popup_surface_frame_callback +}; + static void draw(void) { eglMakeCurrent(egl.display, egl_surface, egl_surface, egl.context); - struct timespec ts; clock_gettime(CLOCK_MONOTONIC, &ts); @@ -121,6 +149,104 @@ static void draw(void) { demo.last_frame = ts; } +static void draw_popup() { + static float alpha_mod = -0.01; + + eglMakeCurrent(egl.display, popup_egl_surface, popup_egl_surface, egl.context); + glViewport(0, 0, popup_width, popup_height); + glClearColor(popup_red, 0.5f, 0.5f, popup_alpha); + popup_alpha += alpha_mod; + if (popup_alpha < 0.01 || popup_alpha >= 1.0f) { + alpha_mod *= -1.0; + } + glClear(GL_COLOR_BUFFER_BIT); + + popup_frame_callback = wl_surface_frame(popup_wl_surface); + assert(popup_frame_callback); + wl_callback_add_listener(popup_frame_callback, &popup_frame_listener, NULL); + eglSwapBuffers(egl.display, popup_egl_surface); + wl_surface_commit(popup_wl_surface); +} + +static void xdg_surface_handle_configure(void *data, + struct xdg_surface *xdg_surface, uint32_t serial) { + xdg_surface_ack_configure(xdg_surface, serial); +} + +static const struct xdg_surface_listener xdg_surface_listener = { + .configure = xdg_surface_handle_configure, +}; + +static void xdg_popup_configure(void *data, struct xdg_popup *xdg_popup, + int32_t x, int32_t y, int32_t width, int32_t height) { + wlr_log(L_DEBUG, "Popup configured %dx%d@%d,%d", + width, height, x, y); + popup_width = width; + popup_height = height; + if (popup_egl_window) { + wl_egl_window_resize(popup_egl_window, width, height, 0, 0); + } +} + +static void popup_destroy() +{ + eglDestroySurface(egl.display, popup_egl_surface); + wl_egl_window_destroy(popup_egl_window); + xdg_popup_destroy(popup); + wl_surface_destroy(popup_wl_surface); + popup_wl_surface = NULL; + popup = NULL; + popup_egl_window = NULL; +} + +static void xdg_popup_done(void *data, struct xdg_popup *xdg_popup) { + wlr_log(L_DEBUG, "Popup done"); + popup_destroy(); +} + +static const struct xdg_popup_listener xdg_popup_listener = { + .configure = xdg_popup_configure, + .popup_done = xdg_popup_done, +}; + +static void create_popup() { + if (popup) { + return; + } + struct wl_surface *surface = wl_compositor_create_surface(compositor); + assert(xdg_wm_base && surface); + struct xdg_surface *xdg_surface = + xdg_wm_base_get_xdg_surface(xdg_wm_base, surface); + struct xdg_positioner *xdg_positioner = + xdg_wm_base_create_positioner(xdg_wm_base); + assert(xdg_surface && xdg_positioner); + + xdg_positioner_set_size(xdg_positioner, popup_width, popup_height); + xdg_positioner_set_offset(xdg_positioner, 0, 0); + xdg_positioner_set_anchor_rect(xdg_positioner, cur_x, cur_y, 1, 1); + xdg_positioner_set_anchor(xdg_positioner, XDG_POSITIONER_ANCHOR_BOTTOM_RIGHT); + + popup = xdg_surface_get_popup(xdg_surface, NULL, xdg_positioner); + assert(popup); + + zwlr_layer_surface_v1_get_popup(layer_surface, popup); + + xdg_surface_add_listener(xdg_surface, &xdg_surface_listener, NULL); + xdg_popup_add_listener(popup, &xdg_popup_listener, NULL); + + wl_surface_commit(surface); + wl_display_roundtrip(display); + + xdg_positioner_destroy(xdg_positioner); + + popup_wl_surface = surface; + popup_egl_window = wl_egl_window_create(surface, popup_width, popup_height); + assert(popup_egl_window); + popup_egl_surface = wlr_egl_create_surface(&egl, popup_egl_window); + assert(popup_egl_surface); + draw_popup(); +} + static void layer_surface_configure(void *data, struct zwlr_layer_surface_v1 *surface, uint32_t serial, uint32_t w, uint32_t h) { @@ -149,11 +275,20 @@ struct zwlr_layer_surface_v1_listener layer_surface_listener = { 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 wl_cursor_image *image; + if (surface == popup_wl_surface) { + image = popup_cursor_image; + } else { + image = cursor_image; + } 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_cursor_image_get_buffer(image), 0, 0); + wl_surface_damage(cursor_surface, 1, 0, + image->width, image->height); wl_surface_commit(cursor_surface); + wl_pointer_set_cursor(wl_pointer, serial, cursor_surface, + image->hotspot_x, image->hotspot_y); + input_surface = surface; } static void wl_pointer_leave(void *data, struct wl_pointer *wl_pointer, @@ -170,10 +305,32 @@ static void wl_pointer_motion(void *data, struct wl_pointer *wl_pointer, 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++; + if (input_surface == wl_surface) { + if (state == WL_POINTER_BUTTON_STATE_PRESSED) { + if (button == BTN_RIGHT) { + if (popup_wl_surface) { + popup_destroy(); + } else { + create_popup(); + } + } else { + buttons++; + } + } else { + if (button != BTN_RIGHT) { + buttons--; + } + } + } else if (input_surface == popup_wl_surface) { + if (state == WL_POINTER_BUTTON_STATE_PRESSED) { + if (button == BTN_LEFT && popup_red <= 0.9f) { + popup_red += 0.1; + } else if (button == BTN_RIGHT && popup_red >= 0.1f) { + popup_red -= 0.1; + } + } } else { - buttons--; + assert(false && "Unknown surface"); } } @@ -277,7 +434,7 @@ const struct wl_seat_listener seat_listener = { 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) { + if (strcmp(interface, wl_compositor_interface.name) == 0) { compositor = wl_registry_bind(registry, name, &wl_compositor_interface, 1); } else if (strcmp(interface, wl_shm_interface.name) == 0) { @@ -299,6 +456,9 @@ static void handle_global(void *data, struct wl_registry *registry, } else if (strcmp(interface, zwlr_layer_shell_v1_interface.name) == 0) { layer_shell = wl_registry_bind( registry, name, &zwlr_layer_shell_v1_interface, 1); + } else if (strcmp(interface, xdg_wm_base_interface.name) == 0) { + xdg_wm_base = wl_registry_bind( + registry, name, &xdg_wm_base_interface, 1); } } @@ -407,7 +567,7 @@ int main(int argc, char **argv) { } } - struct wl_display *display = wl_display_connect(NULL); + display = wl_display_connect(NULL); if (display == NULL) { fprintf(stderr, "Failed to create display\n"); return 1; @@ -430,12 +590,18 @@ int main(int argc, char **argv) { return 1; } - cursor_theme = wl_cursor_theme_load(NULL, 16, shm); + struct wl_cursor_theme *cursor_theme = + wl_cursor_theme_load(NULL, 16, shm); assert(cursor_theme); - struct wl_cursor *cursor; - cursor = wl_cursor_theme_get_cursor(cursor_theme, "crosshair"); + struct wl_cursor *cursor = + wl_cursor_theme_get_cursor(cursor_theme, "crosshair"); assert(cursor); cursor_image = cursor->images[0]; + + cursor = wl_cursor_theme_get_cursor(cursor_theme, "tcross"); + assert(cursor); + popup_cursor_image = cursor->images[0]; + cursor_surface = wl_compositor_create_surface(compositor); assert(cursor_surface); |