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Merge pull request #538 from nuew/display-images

Browse Source 
Add choice of display to --image.
master
Drew DeVault 9 years ago
parent 234932723c 328e031095
commit 56838587e1
3 changed files with 132 additions and 38 deletions
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2
swaylock/CMakeLists.txt
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@ -4,6 +4,7 @@ include_directories(
${CAIRO_INCLUDE_DIRS}
${PANGO_INCLUDE_DIRS}
${PAM_INCLUDE_DIRS}
${JSONC_INCLUDE_DIRS}
)
add_executable(swaylock
@ -18,6 +19,7 @@ target_link_libraries(swaylock
${CAIRO_LIBRARIES}
${PANGO_LIBRARIES}
${PAM_LIBRARIES}
${JSONC_LIBRARIES}
m
)

142
swaylock/main.c
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@ -2,6 +2,7 @@
#include <xkbcommon/xkbcommon.h>
#include <xkbcommon/xkbcommon-names.h>
#include <security/pam_appl.h>
#include <json-c/json.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
@ -11,6 +12,7 @@
#include "client/window.h"
#include "client/registry.h"
#include "client/cairo.h"
#include "ipc-client.h"
#include "log.h"
list_t *surfaces;
@ -134,7 +136,6 @@ void notify_key(enum wl_keyboard_key_state state, xkb_keysym_t sym, uint32_t cod
void render_color(struct window *window, uint32_t color) {
cairo_set_source_u32(window->cairo, color);
cairo_paint(window->cairo);
window_render(window);
}
void render_image(struct window *window, cairo_surface_t *image, enum scaling_mode scaling_mode) {
@ -203,14 +204,34 @@ void render_image(struct window *window, cairo_surface_t *image, enum scaling_mo
}
cairo_paint(window->cairo);
}
window_render(window);
cairo_surface_t *load_image(char *image_path) {
cairo_surface_t *image = NULL;
#ifdef WITH_GDK_PIXBUF
GError *err = NULL;
GdkPixbuf *pixbuf = gdk_pixbuf_new_from_file(image_path, &err);
if (!pixbuf) {
sway_abort("Failed to load background image: %s", err->message);
}
image = gdk_cairo_image_surface_create_from_pixbuf(pixbuf);
g_object_unref(pixbuf);
#else
image = cairo_image_surface_create_from_png(image_path);
#endif //WITH_GDK_PIXBUF
if (!image) {
sway_abort("Failed to read background image.");
}
return image;
}
int main(int argc, char **argv) {
char *image_path = NULL;
char *scaling_mode_str = "fit";
char *scaling_mode_str = "fit", *socket_path = NULL;
int i, num_images = 0, color_set = 0;
uint32_t color = 0xFFFFFFFF;
void *images;
init_log(L_INFO);
@ -221,6 +242,7 @@ int main(int argc, char **argv) {
{"scaling", required_argument, NULL, 's'},
{"tiling", no_argument, NULL, 't'},
{"version", no_argument, NULL, 'v'},
{"socket", required_argument, NULL, 'p'},
{0, 0, 0, 0}
};
@ -232,7 +254,10 @@ int main(int argc, char **argv) {
" -s, --scaling Scaling mode: stretch, fill, fit, center, tile.\n"
" -t, --tiling Same as --scaling=tile.\n"
" -v, --version Show the version number and quit.\n"
" -i, --image <path> Display the given image.\n";
" -i, --image [<output>:]<path> Display the given image.\n"
" --socket <socket> Use the specified socket.\n";
registry = registry_poll();
int c;
while (1) {
@ -246,10 +271,11 @@ int main(int argc, char **argv) {
{
int colorlen = strlen(optarg);
if (colorlen < 6 || colorlen == 7 || colorlen > 8) {
fprintf(stderr, "color must be specified in 3 or 4 byte format, e.g. ff0000 or ff0000ff\n");
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;
if (colorlen == 6) {
color <<= 8;
@ -259,14 +285,39 @@ int main(int argc, char **argv) {
break;
}
case 'i':
image_path = optarg;
{
char *image_path = strchr(optarg, ':');
if (image_path == NULL) {
if (num_images == 0) {
images = load_image(optarg);
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) {
images = calloc(registry->outputs->length, sizeof(char*) * 2);
} else if (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;
}
break;
}
case 's':
scaling_mode_str = optarg;
break;
case 't':
scaling_mode_str = "tile";
break;
case 'p':
socket_path = optarg;
break;
case 'v':
#if defined SWAY_GIT_VERSION && defined SWAY_GIT_BRANCH && defined SWAY_VERSION_DATE
fprintf(stdout, "swaylock version %s (%s, branch \"%s\")\n", SWAY_GIT_VERSION, SWAY_VERSION_DATE, SWAY_GIT_BRANCH);
@ -300,7 +351,12 @@ int main(int argc, char **argv) {
password = malloc(password_size);
password[0] = '\0';
surfaces = create_list();
registry = registry_poll();
if (!socket_path) {
socket_path = get_socketpath();
if (!socket_path) {
sway_abort("Unable to retrieve socket path");
}
}
if (!registry) {
sway_abort("Unable to connect to wayland compositor");
@ -316,7 +372,6 @@ int main(int argc, char **argv) {
registry->pointer = NULL;
}
int i;
for (i = 0; i < registry->outputs->length; ++i) {
struct output_state *output = registry->outputs->items[i];
struct window *window = window_setup(registry, output->width, output->height, true);
@ -328,39 +383,70 @@ int main(int argc, char **argv) {
registry->input->notify = notify_key;
cairo_surface_t *image = NULL;
if (num_images >= 1) {
char **displays_paths = images;
images = calloc(registry->outputs->length, sizeof(cairo_surface_t*));
if (image_path) {
#ifdef WITH_GDK_PIXBUF
GError *err = NULL;
GdkPixbuf *pixbuf = gdk_pixbuf_new_from_file(image_path, &err);
if (!pixbuf) {
sway_abort("Failed to load background image.");
int socketfd = ipc_open_socket(socket_path);
uint32_t len = 0;
char *outputs = ipc_single_command(socketfd, IPC_GET_OUTPUTS, "", &len);
struct json_object *json_outputs = json_tokener_parse(outputs);
for (i = 0; i < registry->outputs->length; ++i) {
if (displays_paths[i * 2] != NULL) {
for (int j = 0;; ++j) {
if (j >= json_object_array_length(json_outputs)) {
sway_log(L_ERROR, "%s is not an extant output", displays_paths[i * 2]);
exit(EXIT_FAILURE);
}
struct json_object *dsp_name, *at_j = json_object_array_get_idx(json_outputs, j);
if (!json_object_object_get_ex(at_j, "name", &dsp_name)) {
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]);
break;
}
}
image = gdk_cairo_image_surface_create_from_pixbuf(pixbuf);
g_object_unref(pixbuf);
#else
cairo_surface_t *image = cairo_image_surface_create_from_png(argv[1]);
#endif //WITH_GDK_PIXBUF
if (!image) {
sway_abort("Failed to read background image.");
}
}
json_object_put(json_outputs);
close(socketfd);
free(displays_paths);
}
for (i = 0; i < surfaces->length; ++i) {
struct window *window = surfaces->items[i];
if (!window_prerender(window) || !window->cairo) {
continue;
}
if (image) {
render_image(window, image, scaling_mode);
} else {
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);
}
}
window_render(window);
}
if (image) {
cairo_surface_destroy(image);
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]);
}
}
free(images);
}
bool locked = false;

12
swaylock/swaylock.1.txt
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@ -23,10 +23,11 @@ Options
Show help message and quit.
*-c, \--color* <rrggbb[aa]>::
Turn the screen into the given color instead of white.
Turn the screen into the given color instead of white. If an image is in use,
also enables color display.
*-i, \--image* <path>::
Display the given image.
*-i, \--image* [<output>:]<path>::
Display the given image, optionally only on the given output.
*-s, \--scaling*::
Scaling mode for images: stretch, fill, fit, center, or tile.
@ -37,6 +38,11 @@ Options
*-v, \--version*::
Show the version number and quit.
*--socket <path>*::
Use the specified socket path. Otherwise, swaymsg will ask sway where the
socket is (which is the value of $SWAYSOCK, then of $I3SOCK).
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