128 lines
3.4 KiB
C
128 lines
3.4 KiB
C
#include <cairo.h>
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#include <stdint.h>
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#include <stdlib.h>
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#include <string.h>
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#include "swaybar/config.h"
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#include "swaybar/bar.h"
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#include "swaybar/tray/icon.h"
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#include "swaybar/tray/host.h"
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#include "swaybar/tray/item.h"
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#include "swaybar/tray/tray.h"
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#include "swaybar/tray/watcher.h"
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#include "list.h"
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#include "log.h"
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static int handle_lost_watcher(sd_bus_message *msg,
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void *data, sd_bus_error *error) {
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char *service, *old_owner, *new_owner;
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int ret = sd_bus_message_read(msg, "sss", &service, &old_owner, &new_owner);
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if (ret < 0) {
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wlr_log(WLR_ERROR, "Failed to parse owner change message: %s", strerror(-ret));
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return ret;
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}
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if (!*new_owner) {
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struct swaybar_tray *tray = data;
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if (strcmp(service, "org.freedesktop.StatusNotifierWatcher") == 0) {
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tray->watcher_xdg = create_watcher("freedesktop", tray->bus);
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} else if (strcmp(service, "org.kde.StatusNotifierWatcher") == 0) {
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tray->watcher_kde = create_watcher("kde", tray->bus);
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}
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}
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return 0;
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}
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struct swaybar_tray *create_tray(struct swaybar *bar) {
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wlr_log(WLR_DEBUG, "Initializing tray");
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sd_bus *bus;
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int ret = sd_bus_open_user(&bus);
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if (ret < 0) {
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wlr_log(WLR_ERROR, "Failed to connect to user bus: %s", strerror(-ret));
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return NULL;
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}
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struct swaybar_tray *tray = calloc(1, sizeof(struct swaybar_tray));
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if (!tray) {
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return NULL;
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}
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tray->bar = bar;
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tray->bus = bus;
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tray->fd = sd_bus_get_fd(tray->bus);
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tray->watcher_xdg = create_watcher("freedesktop", tray->bus);
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tray->watcher_kde = create_watcher("kde", tray->bus);
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ret = sd_bus_match_signal(bus, NULL, "org.freedesktop.DBus",
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"/org/freedesktop/DBus", "org.freedesktop.DBus",
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"NameOwnerChanged", handle_lost_watcher, tray);
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if (ret < 0) {
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wlr_log(WLR_ERROR, "Failed to subscribe to unregistering events: %s",
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strerror(-ret));
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}
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tray->items = create_list();
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init_host(&tray->host_xdg, "freedesktop", tray);
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init_host(&tray->host_kde, "kde", tray);
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init_themes(&tray->themes, &tray->basedirs);
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return tray;
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}
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void destroy_tray(struct swaybar_tray *tray) {
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if (!tray) {
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return;
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}
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finish_host(&tray->host_xdg);
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finish_host(&tray->host_kde);
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for (int i = 0; i < tray->items->length; ++i) {
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destroy_sni(tray->items->items[i]);
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}
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list_free(tray->items);
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destroy_watcher(tray->watcher_xdg);
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destroy_watcher(tray->watcher_kde);
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sd_bus_flush_close_unref(tray->bus);
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finish_themes(tray->themes, tray->basedirs);
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free(tray);
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}
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void tray_in(int fd, short mask, void *data) {
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sd_bus *bus = data;
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int ret;
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while ((ret = sd_bus_process(bus, NULL)) > 0) {
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// This space intentionally left blank
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}
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if (ret < 0) {
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wlr_log(WLR_ERROR, "Failed to process bus: %s", strerror(-ret));
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}
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}
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static int cmp_output(const void *item, const void *cmp_to) {
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return strcmp(item, cmp_to);
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}
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uint32_t render_tray(cairo_t *cairo, struct swaybar_output *output, double *x) {
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struct swaybar_config *config = output->bar->config;
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if (config->tray_outputs) {
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if (list_seq_find(config->tray_outputs, cmp_output, output->name) == -1) {
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return 0;
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}
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} // else display on all
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if ((int) output->height*output->scale <= 2*config->tray_padding) {
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return 2*config->tray_padding + 1;
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}
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uint32_t max_height = 0;
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struct swaybar_tray *tray = output->bar->tray;
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for (int i = 0; i < tray->items->length; ++i) {
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uint32_t h = render_sni(cairo, output, x, tray->items->items[i]);
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max_height = h > max_height ? h : max_height;
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}
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return max_height;
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}
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