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Add graphical feedback to swaylock (#526)

Browse Source
master
Kevin Hamacher 9 years ago
parent 56838587e1
commit fb6dcce2ad
2 changed files with 253 additions and 74 deletions
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37
include/lock/lock.h
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@ -0,0 +1,37 @@
#ifndef _SWAYLOCK_H
#define _SWAYLOCK_H
#include "client/cairo.h"
enum scaling_mode {
SCALING_MODE_STRETCH,
SCALING_MODE_FILL,
SCALING_MODE_FIT,
SCALING_MODE_CENTER,
SCALING_MODE_TILE,
};
enum auth_state {
AUTH_STATE_IDLE,
AUTH_STATE_INPUT,
AUTH_STATE_BACKSPACE,
AUTH_STATE_VALIDATING,
AUTH_STATE_INVALID,
};
struct render_data {
list_t *surfaces;
// Output specific images
cairo_surface_t **images;
// OR one image for all outputs:
cairo_surface_t *image;
int num_images;
int color_set;
uint32_t color;
enum scaling_mode scaling_mode;
enum auth_state auth_state;
};
void render(struct render_data* render_data);
#endif

286
swaylock/main.c
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@ -9,30 +9,34 @@
#include <sys/types.h>
#include <pwd.h>
#include <getopt.h>
#include <signal.h>
#include "client/window.h"
#include "client/registry.h"
#include "client/cairo.h"
#include "ipc-client.h"
#include "log.h"
#include "lock/lock.h"
list_t *surfaces;
struct registry *registry;
struct render_data render_data;
enum scaling_mode {
SCALING_MODE_STRETCH,
SCALING_MODE_FILL,
SCALING_MODE_FIT,
SCALING_MODE_CENTER,
SCALING_MODE_TILE,
};
void sigalarm_handler(int sig) {
signal(SIGALRM, SIG_IGN);
// Hide typing indicator
render_data.auth_state = AUTH_STATE_IDLE;
render(&render_data);
wl_display_flush(registry->display);
signal(SIGALRM, sigalarm_handler);
}
void sway_terminate(int exit_code) {
int i;
for (i = 0; i < surfaces->length; ++i) {
struct window *window = surfaces->items[i];
for (i = 0; i < render_data.surfaces->length; ++i) {
struct window *window = render_data.surfaces->items[i];
window_teardown(window);
}
list_free(surfaces);
list_free(render_data.surfaces);
if (registry) {
registry_teardown(registry);
}
@ -100,12 +104,29 @@ bool verify_password() {
}
void notify_key(enum wl_keyboard_key_state state, xkb_keysym_t sym, uint32_t code, uint32_t codepoint) {
int i;
int redraw_screen = 0;
if (state == WL_KEYBOARD_KEY_STATE_PRESSED) {
switch (sym) {
case XKB_KEY_Return:
render_data.auth_state = AUTH_STATE_VALIDATING;
render(&render_data);
// Make sure our render call will actually be displayed on the screen
wl_display_flush(registry->display);
// However, this is not how it should be done.
for (i = 0; i < registry->outputs->length; ++i) {
if (wl_display_dispatch(registry->display) == -1) {
exit(0);
}
}
if (verify_password()) {
exit(0);
}
render_data.auth_state = AUTH_STATE_INVALID;
redraw_screen = 1;
password_size = 1024;
password = malloc(password_size);
password[0] = '\0';
@ -115,11 +136,15 @@ void notify_key(enum wl_keyboard_key_state state, xkb_keysym_t sym, uint32_t cod
int i = strlen(password);
if (i > 0) {
password[i - 1] = '\0';
render_data.auth_state = AUTH_STATE_BACKSPACE;
redraw_screen = 1;
}
break;
}
default:
{
render_data.auth_state = AUTH_STATE_INPUT;
redraw_screen = 1;
int i = strlen(password);
if (i + 1 == password_size) {
password_size += 1024;
@ -130,6 +155,11 @@ void notify_key(enum wl_keyboard_key_state state, xkb_keysym_t sym, uint32_t cod
break;
}
}
if (redraw_screen) {
render(&render_data);
// Hide the indicator after a couple of seconds
alarm(5);
}
}
}
@ -228,12 +258,18 @@ cairo_surface_t *load_image(char *image_path) {
}
int main(int argc, char **argv) {
char *scaling_mode_str = "fit", *socket_path = NULL;
int i, num_images = 0, color_set = 0;
uint32_t color = 0xFFFFFFFF;
const char *scaling_mode_str = "fit", *socket_path = NULL;
int i;
void *images;
render_data.num_images = 0;
render_data.color_set = 0;
render_data.color = 0xFFFFFFFF;
render_data.auth_state = AUTH_STATE_IDLE;
init_log(L_INFO);
// Install SIGALARM handler (for hiding the typing indicator)
signal(SIGALRM, sigalarm_handler);
static struct option long_options[] = {
{"help", no_argument, NULL, 'h'},
@ -274,38 +310,39 @@ int main(int argc, char **argv) {
sway_log(L_ERROR, "color must be specified in 3 or 4 byte format, e.g. ff0000 or ff0000ff");
exit(EXIT_FAILURE);
}
color = strtol(optarg, NULL, 16);
color_set = 1;
render_data.color = strtol(optarg, NULL, 16);
render_data.color_set = 1;
if (colorlen == 6) {
color <<= 8;
color |= 0xFF;
render_data.color <<= 8;
render_data.color |= 0xFF;
}
sway_log(L_DEBUG, "color: 0x%x", color);
break;
}
case 'i':
{
char *image_path = strchr(optarg, ':');
if (image_path == NULL) {
if (num_images == 0) {
images = load_image(optarg);
num_images = -1;
if (render_data.num_images == 0) {
// Provided image without output
render_data.image = load_image(optarg);
render_data.num_images = -1;
} else {
sway_log(L_ERROR, "output must be defined for all --images or no --images");
exit(EXIT_FAILURE);
}
} else {
if (num_images == 0) {
// Provided image for all outputs
if (render_data.num_images == 0) {
images = calloc(registry->outputs->length, sizeof(char*) * 2);
} else if (num_images == -1) {
} else if (render_data.num_images == -1) {
sway_log(L_ERROR, "output must be defined for all --images or no --images");
exit(EXIT_FAILURE);
}
image_path[0] = '\0';
((char**) images)[num_images * 2] = optarg;
((char**) images)[num_images++ * 2 + 1] = ++image_path;
((char**) images)[render_data.num_images * 2] = optarg;
((char**) images)[render_data.num_images++ * 2 + 1] = ++image_path;
}
break;
}
@ -332,17 +369,17 @@ int main(int argc, char **argv) {
}
}
enum scaling_mode scaling_mode = SCALING_MODE_STRETCH;
render_data.scaling_mode = SCALING_MODE_STRETCH;
if (strcmp(scaling_mode_str, "stretch") == 0) {
scaling_mode = SCALING_MODE_STRETCH;
render_data.scaling_mode = SCALING_MODE_STRETCH;
} else if (strcmp(scaling_mode_str, "fill") == 0) {
scaling_mode = SCALING_MODE_FILL;
render_data.scaling_mode = SCALING_MODE_FILL;
} else if (strcmp(scaling_mode_str, "fit") == 0) {
scaling_mode = SCALING_MODE_FIT;
render_data.scaling_mode = SCALING_MODE_FIT;
} else if (strcmp(scaling_mode_str, "center") == 0) {
scaling_mode = SCALING_MODE_CENTER;
render_data.scaling_mode = SCALING_MODE_CENTER;
} else if (strcmp(scaling_mode_str, "tile") == 0) {
scaling_mode = SCALING_MODE_TILE;
render_data.scaling_mode = SCALING_MODE_TILE;
} else {
sway_abort("Unsupported scaling mode: %s", scaling_mode_str);
}
@ -350,7 +387,7 @@ int main(int argc, char **argv) {
password_size = 1024;
password = malloc(password_size);
password[0] = '\0';
surfaces = create_list();
render_data.surfaces = create_list();
if (!socket_path) {
socket_path = get_socketpath();
if (!socket_path) {
@ -378,14 +415,15 @@ int main(int argc, char **argv) {
if (!window) {
sway_abort("Failed to create surfaces.");
}
list_add(surfaces, window);
list_add(render_data.surfaces, window);
}
registry->input->notify = notify_key;
if (num_images >= 1) {
// Different background for the output
if (render_data.num_images >= 1) {
char **displays_paths = images;
images = calloc(registry->outputs->length, sizeof(cairo_surface_t*));
render_data.images = calloc(registry->outputs->length, sizeof(cairo_surface_t*));
int socketfd = ipc_open_socket(socket_path);
uint32_t len = 0;
@ -405,7 +443,7 @@ int main(int argc, char **argv) {
sway_abort("output doesn't have a name field");
}
if (!strcmp(displays_paths[i * 2], json_object_get_string(dsp_name))) {
((cairo_surface_t**) images)[j] = load_image(displays_paths[i * 2 + 1]);
render_data.images[j] = load_image(displays_paths[i * 2 + 1]);
break;
}
}
@ -417,56 +455,160 @@ int main(int argc, char **argv) {
free(displays_paths);
}
for (i = 0; i < surfaces->length; ++i) {
struct window *window = surfaces->items[i];
if (!window_prerender(window) || !window->cairo) {
continue;
render(&render_data);
bool locked = false;
while (wl_display_dispatch(registry->display) != -1) {
if (!locked) {
for (i = 0; i < registry->outputs->length; ++i) {
struct output_state *output = registry->outputs->items[i];
struct window *window = render_data.surfaces->items[i];
lock_set_lock_surface(registry->swaylock, output->output, window->surface);
}
locked = true;
}
if (num_images == 0 || color_set) {
render_color(window, color);
}
if (num_images == -1) {
render_image(window, images, scaling_mode);
} else if (num_images >= 1) {
if (((cairo_surface_t**) images)[i] != NULL) {
render_image(window, ((cairo_surface_t**) images)[i], scaling_mode);
// Free surfaces
if (render_data.num_images == -1) {
cairo_surface_destroy(render_data.image);
} else if (render_data.num_images >= 1) {
for (i = 0; i < registry->outputs->length; ++i) {
if (render_data.images[i] != NULL) {
cairo_surface_destroy(render_data.images[i]);
}
}
window_render(window);
free(render_data.images);
}
if (num_images == -1) {
cairo_surface_destroy((cairo_surface_t*) images);
} else if (num_images >= 1) {
for (i = 0; i < registry->outputs->length; ++i) {
if (((cairo_surface_t**) images)[i] != NULL) {
cairo_surface_destroy(((cairo_surface_t**) images)[i]);
for (i = 0; i < render_data.surfaces->length; ++i) {
struct window *window = render_data.surfaces->items[i];
window_teardown(window);
}
list_free(render_data.surfaces);
registry_teardown(registry);
return 0;
}
free(images);
void render(struct render_data *render_data) {
int i;
for (i = 0; i < render_data->surfaces->length; ++i) {
sway_log(L_DEBUG, "Render surface %d of %d", i, render_data->surfaces->length);
struct window *window = render_data->surfaces->items[i];
if (!window_prerender(window) || !window->cairo) {
continue;
}
bool locked = false;
while (wl_display_dispatch(registry->display) != -1) {
if (!locked) {
for (i = 0; i < registry->outputs->length; ++i) {
struct output_state *output = registry->outputs->items[i];
struct window *window = surfaces->items[i];
lock_set_lock_surface(registry->swaylock, output->output, window->surface);
// Reset the transformation matrix
cairo_identity_matrix(window->cairo);
if (render_data->num_images == 0 || render_data->color_set) {
render_color(window, render_data->color);
}
if (render_data->num_images == -1) {
// One background for all
render_image(window, render_data->image, render_data->scaling_mode);
} else if (render_data->num_images >= 1) {
// Different backgrounds
if (render_data->images[i] != NULL) {
render_image(window, render_data->images[i], render_data->scaling_mode);
}
}
// Reset the transformation matrix again
cairo_identity_matrix(window->cairo);
// Draw specific values (copied from i3)
const int ARC_RADIUS = 50;
const int ARC_THICKNESS = 10;
const float TYPE_INDICATOR_RANGE = M_PI / 3.0f;
const float TYPE_INDICATOR_BORDER_THICKNESS = M_PI / 128.0f;
// Add visual indicator
if (render_data->auth_state != AUTH_STATE_IDLE) {
// Draw circle
cairo_set_line_width(window->cairo, ARC_THICKNESS);
cairo_arc(window->cairo, window->width/2, window->height/2, ARC_RADIUS, 0, 2 * M_PI);
switch (render_data->auth_state) {
case AUTH_STATE_INPUT:
case AUTH_STATE_BACKSPACE: {
cairo_set_source_rgba(window->cairo, 0, 0, 0, 0.75);
cairo_fill_preserve(window->cairo);
cairo_set_source_rgb(window->cairo, 51.0 / 255, 125.0 / 255, 0);
cairo_stroke(window->cairo);
} break;
case AUTH_STATE_VALIDATING: {
cairo_set_source_rgba(window->cairo, 0, 114.0 / 255, 255.0 / 255, 0.75);
cairo_fill_preserve(window->cairo);
cairo_set_source_rgb(window->cairo, 51.0 / 255, 0, 250.0 / 255);
cairo_stroke(window->cairo);
} break;
case AUTH_STATE_INVALID: {
cairo_set_source_rgba(window->cairo, 250.0 / 255, 0, 0, 0.75);
cairo_fill_preserve(window->cairo);
cairo_set_source_rgb(window->cairo, 125.0 / 255, 51.0 / 255, 0);
cairo_stroke(window->cairo);
} break;
default: break;
}
// Draw a message
char *text = NULL;
cairo_set_source_rgb(window->cairo, 0, 0, 0);
cairo_set_font_size(window->cairo, ARC_RADIUS/3.0f);
switch (render_data->auth_state) {
case AUTH_STATE_VALIDATING:
text = "verifying";
break;
case AUTH_STATE_INVALID:
text = "wrong";
break;
default: break;
}
locked = true;
if (text) {
cairo_text_extents_t extents;
double x, y;
cairo_text_extents(window->cairo, text, &extents);
x = window->width/2 - ((extents.width/2) + extents.x_bearing);
y = window->height/2 - ((extents.height/2) + extents.y_bearing);
cairo_move_to(window->cairo, x, y);
cairo_show_text(window->cairo, text);
cairo_close_path(window->cairo);
cairo_new_sub_path(window->cairo);
}
// Typing indicator: Highlight random part on keypress
if (render_data->auth_state == AUTH_STATE_INPUT || render_data->auth_state == AUTH_STATE_BACKSPACE) {
double highlight_start = (rand() % (int)(2 * M_PI * 100)) / 100.0;
cairo_arc(window->cairo, window->width/2, window->height/2, ARC_RADIUS, highlight_start, highlight_start + TYPE_INDICATOR_RANGE);
if (render_data->auth_state == AUTH_STATE_INPUT) {
cairo_set_source_rgb(window->cairo, 51.0 / 255, 219.0 / 255, 0);
} else {
cairo_set_source_rgb(window->cairo, 219.0 / 255, 51.0 / 255, 0);
}
cairo_stroke(window->cairo);
for (i = 0; i < surfaces->length; ++i) {
struct window *window = surfaces->items[i];
window_teardown(window);
// Draw borders
cairo_set_source_rgb(window->cairo, 0, 0, 0);
cairo_arc(window->cairo, window->width/2, window->height/2, ARC_RADIUS, highlight_start, highlight_start + TYPE_INDICATOR_BORDER_THICKNESS);
cairo_stroke(window->cairo);
cairo_arc(window->cairo, window->width/2, window->height/2, ARC_RADIUS, highlight_start + TYPE_INDICATOR_RANGE, (highlight_start + TYPE_INDICATOR_RANGE) + TYPE_INDICATOR_BORDER_THICKNESS);
cairo_stroke(window->cairo);
}
list_free(surfaces);
registry_teardown(registry);
return 0;
// Draw inner + outer border of the circle
cairo_set_source_rgb(window->cairo, 0, 0, 0);
cairo_set_line_width(window->cairo, 2.0);
cairo_arc(window->cairo, window->width/2, window->height/2, ARC_RADIUS - ARC_THICKNESS/2, 0, 2*M_PI);
cairo_stroke(window->cairo);
cairo_arc(window->cairo, window->width/2, window->height/2, ARC_RADIUS + ARC_THICKNESS/2, 0, 2*M_PI);
cairo_stroke(window->cairo);
}
window_render(window);
}
}

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