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examples: Animate popup in layer-shell

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This commit is contained in:
Guido Günther 2018-04-20 15:05:48 +02:00
parent ad22e02310
commit 421652a450
1 changed files with 57 additions and 17 deletions
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74
examples/layer-shell.c
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@ -40,6 +40,12 @@ 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;
static uint32_t layer = ZWLR_LAYER_SHELL_V1_LAYER_BACKGROUND;
static uint32_t anchor = 0;
@ -64,6 +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) {
@ -76,9 +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);
@ -132,10 +149,28 @@ 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(0.5f, 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);
// Whatever
}
static const struct xdg_surface_listener xdg_surface_listener = {
@ -146,10 +181,17 @@ 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 xdg_popup_done(void *data, struct xdg_popup *xdg_popup) {
// We leak the surface, but who cares
eglDestroySurface(egl.display, popup_egl_surface);
wl_egl_window_destroy(popup_egl_window);
wl_surface_destroy(popup_wl_surface);
xdg_popup_destroy(popup);
popup = NULL;
}
@ -171,7 +213,7 @@ static void create_popup() {
xdg_wm_base_create_positioner(xdg_wm_base);
assert(xdg_surface && xdg_positioner);
xdg_positioner_set_size(xdg_positioner, 256, 256);
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);
@ -189,17 +231,12 @@ static void create_popup() {
xdg_positioner_destroy(xdg_positioner);
struct wl_egl_window *egl_window;
struct wlr_egl_surface *egl_surface;
egl_window = wl_egl_window_create(surface, 256, 256);
assert(egl_window);
egl_surface = wlr_egl_create_surface(&egl, egl_window);
assert(egl_surface);
eglMakeCurrent(egl.display, egl_surface, egl_surface, egl.context);
glClearColor(0.5f, 0.5f, 0.5f, 1.0f);
glClear(GL_COLOR_BUFFER_BIT);
eglSwapBuffers(egl.display, egl_surface);
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,
@ -252,12 +289,15 @@ 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 (button == BTN_RIGHT) {
create_popup();
} else {
buttons++;
}
} else {
buttons--;
if (button != BTN_RIGHT) {
buttons--;
}
}
}