mirror of
https://github.com/swaywm/sway.git
synced 2025-11-03 09:01:43 -05:00
swaybg: use output names instead of output indexes
This commit is contained in:
emersion
parent
70637b40fe
commit
000b313985
2 changed files with 119 additions and 43 deletions
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@ -229,11 +229,11 @@ void apply_output_config(struct output_config *oc, struct sway_output *output) {
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terminate_swaybg(output->bg_pid);
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}
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if (oc && oc->background && config->swaybg_command) {
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wlr_log(WLR_DEBUG, "Setting background for output %d to %s",
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output_i, oc->background);
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wlr_log(WLR_DEBUG, "Setting background for output %s to %s",
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wlr_output->name, oc->background);
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size_t len = snprintf(NULL, 0, "%s %d \"%s\" %s %s",
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config->swaybg_command, output_i, oc->background,
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size_t len = snprintf(NULL, 0, "%s \"%s\" \"%s\" %s %s",
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config->swaybg_command, wlr_output->name, oc->background,
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oc->background_option,
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oc->background_fallback ? oc->background_fallback : "");
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char *command = malloc(len + 1);
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@ -241,8 +241,8 @@ void apply_output_config(struct output_config *oc, struct sway_output *output) {
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wlr_log(WLR_DEBUG, "Unable to allocate swaybg command");
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return;
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}
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snprintf(command, len + 1, "%s %d \"%s\" %s %s",
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config->swaybg_command, output_i, oc->background,
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snprintf(command, len + 1, "%s \"%s\" \"%s\" %s %s",
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config->swaybg_command, wlr_output->name, oc->background,
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oc->background_option,
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oc->background_fallback ? oc->background_fallback : "");
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wlr_log(WLR_DEBUG, "-> %s", command);
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@ -251,6 +251,7 @@ void apply_output_config(struct output_config *oc, struct sway_output *output) {
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output->bg_pid = fork();
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if (output->bg_pid == 0) {
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execvp(cmd[0], cmd);
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wlr_log_errno(WLR_ERROR, "Failed to execute swaybg");
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} else {
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free(command);
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}
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141
swaybg/main.c
141
swaybg/main.c
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@ -8,13 +8,16 @@
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#include <wayland-client.h>
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#include <wlr/util/log.h>
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#include "background-image.h"
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#include "pool-buffer.h"
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#include "cairo.h"
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#include "pool-buffer.h"
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#include "util.h"
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#include "wlr-layer-shell-unstable-v1-client-protocol.h"
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#include "xdg-output-unstable-v1-client-protocol.h"
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struct swaybg_state;
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struct swaybg_args {
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int output_idx;
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const char *output;
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const char *path;
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enum background_mode mode;
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const char *fallback;
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@ -25,23 +28,33 @@ struct swaybg_context {
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cairo_surface_t *image;
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};
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struct swaybg_output {
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struct wl_output *wl_output;
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struct zxdg_output_v1 *xdg_output;
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struct swaybg_state *state;
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struct wl_list link;
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int32_t scale;
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};
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struct swaybg_state {
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const struct swaybg_args *args;
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struct swaybg_context context;
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struct wl_display *display;
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struct wl_compositor *compositor;
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struct zwlr_layer_shell_v1 *layer_shell;
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struct wl_shm *shm;
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struct wl_list outputs;
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struct zwlr_layer_shell_v1 *layer_shell;
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struct zxdg_output_manager_v1 *xdg_output_manager;
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struct wl_output *output;
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struct swaybg_output *output;
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struct wl_surface *surface;
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struct wl_region *input_region;
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struct zwlr_layer_surface_v1 *layer_surface;
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bool run_display;
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uint32_t width, height;
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int32_t scale;
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struct pool_buffer buffers[2];
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struct pool_buffer *current_buffer;
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};
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@ -65,8 +78,8 @@ bool is_valid_color(const char *color) {
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}
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static void render_frame(struct swaybg_state *state) {
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int buffer_width = state->width * state->scale,
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buffer_height = state->height * state->scale;
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int buffer_width = state->width * state->output->scale,
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buffer_height = state->height * state->output->scale;
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state->current_buffer = get_next_buffer(state->shm,
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state->buffers, buffer_width, buffer_height);
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if (!state->current_buffer) {
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@ -89,7 +102,7 @@ static void render_frame(struct swaybg_state *state) {
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state->args->mode, buffer_width, buffer_height);
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}
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wl_surface_set_buffer_scale(state->surface, state->scale);
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wl_surface_set_buffer_scale(state->surface, state->output->scale);
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wl_surface_attach(state->surface, state->current_buffer->buffer, 0, 0);
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wl_surface_damage(state->surface, 0, 0, state->width, state->height);
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wl_surface_commit(state->surface);
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@ -148,10 +161,14 @@ static void output_done(void *data, struct wl_output *output) {
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// Who cares
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}
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static void output_scale(void *data, struct wl_output *output, int32_t factor) {
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struct swaybg_state *state = data;
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state->scale = factor;
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if (state->run_display) {
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static void output_scale(void *data, struct wl_output *wl_output,
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int32_t scale) {
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struct swaybg_output *output = data;
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struct swaybg_state *state = output->state;
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output->scale = scale;
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if (state->output == output && state->run_display) {
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render_frame(state);
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}
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}
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@ -163,26 +180,65 @@ static const struct wl_output_listener output_listener = {
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.scale = output_scale,
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};
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static void xdg_output_handle_logical_position(void *data,
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struct zxdg_output_v1 *xdg_output, int32_t x, int32_t y) {
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// Who cares
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}
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static void xdg_output_handle_logical_size(void *data,
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struct zxdg_output_v1 *xdg_output, int32_t width, int32_t height) {
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// Who cares
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}
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static void xdg_output_handle_name(void *data,
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struct zxdg_output_v1 *xdg_output, const char *name) {
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struct swaybg_output *output = data;
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struct swaybg_state *state = output->state;
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if (strcmp(name, state->args->output) == 0) {
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assert(state->output == NULL);
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state->output = output;
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}
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}
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static void xdg_output_handle_description(void *data,
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struct zxdg_output_v1 *xdg_output, const char *description) {
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// Who cares
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}
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static void xdg_output_handle_done(void *data,
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struct zxdg_output_v1 *xdg_output) {
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// Who cares
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}
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static const struct zxdg_output_v1_listener xdg_output_listener = {
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.logical_position = xdg_output_handle_logical_position,
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.logical_size = xdg_output_handle_logical_size,
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.name = xdg_output_handle_name,
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.description = xdg_output_handle_description,
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.done = xdg_output_handle_done,
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};
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static void handle_global(void *data, struct wl_registry *registry,
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uint32_t name, const char *interface, uint32_t version) {
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struct swaybg_state *state = data;
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if (strcmp(interface, wl_compositor_interface.name) == 0) {
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state->compositor = wl_registry_bind(registry, name,
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&wl_compositor_interface, 3);
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state->compositor =
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wl_registry_bind(registry, name, &wl_compositor_interface, 3);
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} else if (strcmp(interface, wl_shm_interface.name) == 0) {
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state->shm = wl_registry_bind(registry, name,
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&wl_shm_interface, 1);
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state->shm = wl_registry_bind(registry, name, &wl_shm_interface, 1);
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} else if (strcmp(interface, wl_output_interface.name) == 0) {
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static int output_idx = 0;
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if (output_idx == state->args->output_idx) {
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state->output = wl_registry_bind(registry, name,
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&wl_output_interface, 3);
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wl_output_add_listener(state->output, &output_listener, state);
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}
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output_idx++;
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struct swaybg_output *output = calloc(1, sizeof(struct swaybg_output));
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output->state = state;
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output->wl_output =
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wl_registry_bind(registry, name, &wl_output_interface, 3);
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wl_output_add_listener(output->wl_output, &output_listener, output);
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wl_list_insert(&state->outputs, &output->link);
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} else if (strcmp(interface, zwlr_layer_shell_v1_interface.name) == 0) {
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state->layer_shell = wl_registry_bind(
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registry, name, &zwlr_layer_shell_v1_interface, 1);
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state->layer_shell =
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wl_registry_bind(registry, name, &zwlr_layer_shell_v1_interface, 1);
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} else if (strcmp(interface, zxdg_output_manager_v1_interface.name) == 0) {
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state->xdg_output_manager = wl_registry_bind(registry, name,
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&zxdg_output_manager_v1_interface, 2);
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}
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}
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@ -197,17 +253,19 @@ static const struct wl_registry_listener registry_listener = {
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};
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int main(int argc, const char **argv) {
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struct swaybg_args args = {0};
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struct swaybg_state state = {0};
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state.args = &args;
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wlr_log_init(WLR_DEBUG, NULL);
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struct swaybg_args args = {0};
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struct swaybg_state state = { .args = &args };
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wl_list_init(&state.outputs);
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if (argc < 4 || argc > 5) {
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wlr_log(WLR_ERROR, "Do not run this program manually. "
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"See man 5 sway and look for output options.");
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"See `man 5 sway-output` and look for background options.");
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return 1;
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}
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args.output_idx = atoi(argv[1]);
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args.output = argv[1];
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args.path = argv[2];
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args.mode = parse_background_mode(argv[3]);
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@ -232,20 +290,36 @@ int main(int argc, const char **argv) {
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struct wl_registry *registry = wl_display_get_registry(state.display);
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wl_registry_add_listener(registry, ®istry_listener, &state);
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wl_display_roundtrip(state.display);
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assert(state.compositor && state.layer_shell && state.output && state.shm);
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if (state.compositor == NULL || state.shm == NULL ||
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state.layer_shell == NULL || state.xdg_output_manager == NULL) {
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wlr_log(WLR_ERROR, "Missing a required Wayland interface");
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return 1;
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}
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// Second roundtrip to get output properties
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struct swaybg_output *output;
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wl_list_for_each(output, &state.outputs, link) {
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output->xdg_output = zxdg_output_manager_v1_get_xdg_output(
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state.xdg_output_manager, output->wl_output);
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zxdg_output_v1_add_listener(output->xdg_output,
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&xdg_output_listener, output);
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}
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// Second roundtrip to get xdg_output properties
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wl_display_roundtrip(state.display);
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if (state.output == NULL) {
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wlr_log(WLR_ERROR, "Cannot find output '%s'", args.output);
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return 1;
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}
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state.surface = wl_compositor_create_surface(state.compositor);
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assert(state.surface);
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// Empty input region
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state.input_region = wl_compositor_create_region(state.compositor);
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assert(state.input_region);
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wl_surface_set_input_region(state.surface, state.input_region);
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state.layer_surface = zwlr_layer_shell_v1_get_layer_surface(
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state.layer_shell, state.surface, state.output,
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state.layer_shell, state.surface, state.output->wl_output,
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ZWLR_LAYER_SHELL_V1_LAYER_BACKGROUND, "wallpaper");
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assert(state.layer_surface);
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@ -265,5 +339,6 @@ int main(int argc, const char **argv) {
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while (wl_display_dispatch(state.display) != -1 && state.run_display) {
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// This space intentionally left blank
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}
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return 0;
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}
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