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Code Issues

swaylock: implement a proper render loop

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This commit is contained in:
emersion 2018-05-25 19:34:36 +01:00
parent e4c54b04ce
commit cc10c7af65
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GPG Key ID: 0FDE7BE0E88F5E48
4 changed files with 108 additions and 57 deletions
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3
include/swaylock/swaylock.h
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@ -56,6 +56,7 @@ struct swaylock_surface {
struct zwlr_layer_surface_v1 *layer_surface;
struct pool_buffer buffers[2];
struct pool_buffer *current_buffer;
bool frame_pending, dirty;
uint32_t width, height;
int32_t scale;
char *output_name;
@ -74,5 +75,7 @@ void swaylock_handle_key(struct swaylock_state *state,
xkb_keysym_t keysym, uint32_t codepoint);
void render_frame(struct swaylock_surface *surface);
void render_frames(struct swaylock_state *state);
void damage_surface(struct swaylock_surface *surface);
void damage_state(struct swaylock_state *state);
#endif

56
swaylock/main.c
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@ -131,14 +131,58 @@ static const struct zwlr_layer_surface_v1_listener layer_surface_listener = {
.closed = layer_surface_closed,
};
static void handle_wl_output_geometry(void *data, struct wl_output *output, int32_t x,
int32_t y, int32_t width_mm, int32_t height_mm, int32_t subpixel,
const char *make, const char *model, int32_t transform) {
static const struct wl_callback_listener surface_frame_listener;
static void surface_frame_handle_done(void *data, struct wl_callback *callback,
uint32_t time) {
struct swaylock_surface *surface = data;
wl_callback_destroy(callback);
surface->frame_pending = false;
if (surface->dirty) {
// Schedule a frame in case the surface is damaged again
struct wl_callback *callback = wl_surface_frame(surface->surface);
wl_callback_add_listener(callback, &surface_frame_listener, surface);
surface->frame_pending = true;
render_frame(surface);
surface->dirty = false;
}
}
static const struct wl_callback_listener surface_frame_listener = {
.done = surface_frame_handle_done,
};
void damage_surface(struct swaylock_surface *surface) {
surface->dirty = true;
if (surface->frame_pending) {
return;
}
struct wl_callback *callback = wl_surface_frame(surface->surface);
wl_callback_add_listener(callback, &surface_frame_listener, surface);
surface->frame_pending = true;
wl_surface_commit(surface->surface);
}
void damage_state(struct swaylock_state *state) {
struct swaylock_surface *surface;
wl_list_for_each(surface, &state->surfaces, link) {
damage_surface(surface);
}
}
static void handle_wl_output_geometry(void *data, struct wl_output *output,
int32_t x, int32_t y, int32_t width_mm, int32_t height_mm,
int32_t subpixel, const char *make, const char *model,
int32_t transform) {
// Who cares
}
static void handle_wl_output_mode(void *data, struct wl_output *output, uint32_t flags,
int32_t width, int32_t height, int32_t refresh) {
static void handle_wl_output_mode(void *data, struct wl_output *output,
uint32_t flags, int32_t width, int32_t height, int32_t refresh) {
// Who cares
}
@ -151,7 +195,7 @@ static void handle_wl_output_scale(void *data, struct wl_output *output,
struct swaylock_surface *surface = data;
surface->scale = factor;
if (surface->state->run_display) {
render_frames(surface->state);
damage_surface(surface);
}
}

102
swaylock/password.c
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@ -93,58 +93,58 @@ static void append_ch(struct swaylock_password *pw, uint32_t codepoint) {
void swaylock_handle_key(struct swaylock_state *state,
xkb_keysym_t keysym, uint32_t codepoint) {
switch (keysym) {
case XKB_KEY_KP_Enter: /* fallthrough */
case XKB_KEY_Return:
state->auth_state = AUTH_STATE_VALIDATING;
render_frames(state);
wl_display_roundtrip(state->display);
if (attempt_password(&state->password)) {
state->run_display = false;
break;
}
state->auth_state = AUTH_STATE_INVALID;
render_frames(state);
case XKB_KEY_KP_Enter: /* fallthrough */
case XKB_KEY_Return:
state->auth_state = AUTH_STATE_VALIDATING;
damage_state(state);
wl_display_roundtrip(state->display);
if (attempt_password(&state->password)) {
state->run_display = false;
break;
case XKB_KEY_Delete:
case XKB_KEY_BackSpace:
if (backspace(&state->password)) {
state->auth_state = AUTH_STATE_BACKSPACE;
} else {
state->auth_state = AUTH_STATE_CLEAR;
}
render_frames(state);
break;
case XKB_KEY_Escape:
clear_password_buffer(&state->password);
}
state->auth_state = AUTH_STATE_INVALID;
damage_state(state);
break;
case XKB_KEY_Delete:
case XKB_KEY_BackSpace:
if (backspace(&state->password)) {
state->auth_state = AUTH_STATE_BACKSPACE;
} else {
state->auth_state = AUTH_STATE_CLEAR;
render_frames(state);
break;
case XKB_KEY_Caps_Lock:
/* The state is getting active after this
* so we need to manually toggle it */
state->xkb.caps_lock = !state->xkb.caps_lock;
state->auth_state = AUTH_STATE_INPUT_NOP;
render_frames(state);
break;
case XKB_KEY_Shift_L:
case XKB_KEY_Shift_R:
case XKB_KEY_Control_L:
case XKB_KEY_Control_R:
case XKB_KEY_Meta_L:
case XKB_KEY_Meta_R:
case XKB_KEY_Alt_L:
case XKB_KEY_Alt_R:
case XKB_KEY_Super_L:
case XKB_KEY_Super_R:
state->auth_state = AUTH_STATE_INPUT_NOP;
render_frames(state);
break;
default:
if (codepoint) {
append_ch(&state->password, codepoint);
state->auth_state = AUTH_STATE_INPUT;
render_frames(state);
}
break;
}
damage_state(state);
break;
case XKB_KEY_Escape:
clear_password_buffer(&state->password);
state->auth_state = AUTH_STATE_CLEAR;
damage_state(state);
break;
case XKB_KEY_Caps_Lock:
/* The state is getting active after this
* so we need to manually toggle it */
state->xkb.caps_lock = !state->xkb.caps_lock;
state->auth_state = AUTH_STATE_INPUT_NOP;
damage_state(state);
break;
case XKB_KEY_Shift_L:
case XKB_KEY_Shift_R:
case XKB_KEY_Control_L:
case XKB_KEY_Control_R:
case XKB_KEY_Meta_L:
case XKB_KEY_Meta_R:
case XKB_KEY_Alt_L:
case XKB_KEY_Alt_R:
case XKB_KEY_Super_L:
case XKB_KEY_Super_R:
state->auth_state = AUTH_STATE_INPUT_NOP;
damage_state(state);
break;
default:
if (codepoint) {
append_ch(&state->password, codepoint);
state->auth_state = AUTH_STATE_INPUT;
damage_state(state);
}
break;
}
}

4
swaylock/render.c
View File

@ -23,6 +23,10 @@ void render_frame(struct swaylock_surface *surface) {
surface->current_buffer = get_next_buffer(state->shm,
surface->buffers, buffer_width, buffer_height);
if (surface->current_buffer == NULL) {
return;
}
cairo_t *cairo = surface->current_buffer->cairo;
cairo_identity_matrix(cairo);