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-rw-r--r--swaybar/tray/icon.c400
1 files changed, 0 insertions, 400 deletions
diff --git a/swaybar/tray/icon.c b/swaybar/tray/icon.c
deleted file mode 100644
index c146bf32..00000000
--- a/swaybar/tray/icon.c
+++ /dev/null
@@ -1,400 +0,0 @@
-#define _XOPEN_SOURCE 700
-#define _POSIX_C_SOURCE 200809L
-#include <stdio.h>
-#include <stdlib.h>
-#include <unistd.h>
-#include <string.h>
-#include <dirent.h>
-#include <sys/stat.h>
-#include <stdbool.h>
-#include <stdint.h>
-#include <limits.h>
-#include "swaybar/tray/icon.h"
-#include "swaybar/bar.h"
-#include "swaybar/config.h"
-#include "stringop.h"
-#include "log.h"
-
-/**
- * REVIEW:
- * This file repeats lots of "costly" operations that are the same for every
- * icon. It's possible to create a dictionary or some other structure to cache
- * these, though it may complicate things somewhat.
- *
- * Also parsing (index.theme) is currently pretty messy, so that could be made
- * much better as well. Over all, things work, but are not optimal.
- */
-
-/* Finds all themes that the given theme inherits */
-static list_t *find_inherits(const char *theme_dir) {
- const char inherits[] = "Inherits";
- const char index_name[] = "index.theme";
- list_t *themes = create_list();
- FILE *index = NULL;
- char *path = malloc(strlen(theme_dir) + sizeof(index_name));
- if (!path) {
- goto fail;
- }
- if (!themes) {
- goto fail;
- }
-
- strcpy(path, theme_dir);
- strcat(path, index_name);
-
- index = fopen(path, "r");
- if (!index) {
- goto fail;
- }
-
- char *buf = NULL;
- size_t n = 0;
- while (!feof(index) && getline(&buf, &n, index) != -1) {
- if (n <= sizeof(inherits) + 1) {
- continue;
- }
- if (strncmp(inherits, buf, sizeof(inherits) - 1) == 0) {
- char *themestr = buf + sizeof(inherits);
- themes = split_string(themestr, ",");
- break;
- }
- }
- free(buf);
-
-fail:
- free(path);
- if (index) {
- fclose(index);
- }
- return themes;
-}
-
-static bool isdir(const char *path) {
- struct stat statbuf;
- if (stat(path, &statbuf) != -1) {
- if (S_ISDIR(statbuf.st_mode)) {
- return true;
- }
- }
- return false;
-
-}
-
-/**
- * Returns the directory of a given theme if it exists.
- * The returned pointer must be freed.
- */
-static char *find_theme_dir(const char *theme) {
- char *basedir;
- char *icon_dir;
-
- if (!theme) {
- return NULL;
- }
-
- if (!(icon_dir = malloc(1024))) {
- sway_log(L_ERROR, "Out of memory!");
- goto fail;
- }
-
- if ((basedir = getenv("HOME"))) {
- if (snprintf(icon_dir, 1024, "%s/.icons/%s", basedir, theme) >= 1024) {
- sway_log(L_ERROR, "Path too long to render");
- // XXX perhaps just goto trying in /usr/share? This
- // shouldn't happen anyway, but might with a long global
- goto fail;
- }
-
- if (isdir(icon_dir)) {
- return icon_dir;
- }
- }
-
- if ((basedir = getenv("XDG_DATA_DIRS"))) {
- if (snprintf(icon_dir, 1024, "%s/icons/%s", basedir, theme) >= 1024) {
- sway_log(L_ERROR, "Path too long to render");
- // ditto
- goto fail;
- }
-
- if (isdir(icon_dir)) {
- return icon_dir;
- }
- }
-
- // Spec says use "/usr/share/pixmaps/", but I see everything in
- // "/usr/share/icons/" look it both, I suppose.
- if (snprintf(icon_dir, 1024, "/usr/share/pixmaps/%s", theme) >= 1024) {
- sway_log(L_ERROR, "Path too long to render");
- goto fail;
- }
- if (isdir(icon_dir)) {
- return icon_dir;
- }
-
- if (snprintf(icon_dir, 1024, "/usr/share/icons/%s", theme) >= 1024) {
- sway_log(L_ERROR, "Path too long to render");
- goto fail;
- }
- if (isdir(icon_dir)) {
- return icon_dir;
- }
-
-fail:
- free(icon_dir);
- sway_log(L_ERROR, "Could not find dir for theme: %s", theme);
- return NULL;
-}
-
-/**
- * Returns all theme dirs needed to be looked in for an icon.
- * Does not check for duplicates
- */
-static list_t *find_all_theme_dirs(const char *theme) {
- list_t *dirs = create_list();
- if (!dirs) {
- return NULL;
- }
- char *dir = find_theme_dir(theme);
- if (dir) {
- list_add(dirs, dir);
- list_t *inherits = find_inherits(dir);
- list_cat(dirs, inherits);
- list_free(inherits);
- }
- dir = find_theme_dir("hicolor");
- if (dir) {
- list_add(dirs, dir);
- }
-
- return dirs;
-}
-
-struct subdir {
- int size;
- char name[];
-};
-
-static int subdir_str_cmp(const void *_subdir, const void *_str) {
- const struct subdir *subdir = _subdir;
- const char *str = _str;
- return strcmp(subdir->name, str);
-}
-/**
- * Helper to find_subdirs. Acts similar to `split_string(subdirs, ",")` but
- * generates a list of struct subdirs
- */
-static list_t *split_subdirs(char *subdir_str) {
- list_t *subdir_list = create_list();
- char *copy = strdup(subdir_str);
- if (!subdir_list || !copy) {
- list_free(subdir_list);
- free(copy);
- return NULL;
- }
-
- char *token;
- token = strtok(copy, ",");
- while(token) {
- int len = strlen(token) + 1;
- struct subdir *subdir =
- malloc(sizeof(struct subdir) + sizeof(char [len]));
- if (!subdir) {
- // Return what we have
- return subdir_list;
- }
- subdir->size = 0;
- strcpy(subdir->name, token);
-
- list_add(subdir_list, subdir);
-
- token = strtok(NULL, ",");
- }
- free(copy);
-
- return subdir_list;
-}
-/**
- * Returns a list of all subdirectories of a theme.
- * Take note: the subdir names are all relative to `theme_dir` and must be
- * combined with it to form a valid directory.
- *
- * Each member of the list is of type (struct subdir *) this struct contains
- * the name of the subdir, along with size information. These must be freed
- * bye the caller.
- *
- * This currently ignores min and max sizes of icons.
- */
-static list_t* find_theme_subdirs(const char *theme_dir) {
- const char index_name[] = "/index.theme";
- list_t *dirs = NULL;
- char *path = malloc(strlen(theme_dir) + sizeof(index_name));
- FILE *index = NULL;
- if (!path) {
- sway_log(L_ERROR, "Failed to allocate memory");
- goto fail;
- }
-
- strcpy(path, theme_dir);
- strcat(path, index_name);
-
- index = fopen(path, "r");
- if (!index) {
- sway_log(L_ERROR, "Could not open file: %s", path);
- goto fail;
- }
-
- char *buf = NULL;
- size_t n = 0;
- const char directories[] = "Directories";
- while (!feof(index) && getline(&buf, &n, index) != -1) {
- if (n <= sizeof(directories) + 1) {
- continue;
- }
- if (strncmp(directories, buf, sizeof(directories) - 1) == 0) {
- char *dirstr = buf + sizeof(directories);
- dirs = split_subdirs(dirstr);
- break;
- }
- }
- // Now, find the size of each dir
- struct subdir *current_subdir = NULL;
- const char size[] = "Size";
- while (!feof(index) && getline(&buf, &n, index) != -1) {
- if (buf[0] == '[') {
- int len = strlen(buf);
- if (buf[len-1] == '\n') {
- len--;
- }
- // replace ']'
- buf[len-1] = '\0';
-
- int index;
- if ((index = list_seq_find(dirs, subdir_str_cmp, buf+1)) != -1) {
- current_subdir = (dirs->items[index]);
- }
- }
-
- if (strncmp(size, buf, sizeof(size) - 1) == 0) {
- if (current_subdir) {
- current_subdir->size = atoi(buf + sizeof(size));
- }
- }
- }
- free(buf);
-fail:
- free(path);
- if (index) {
- fclose(index);
- }
- return dirs;
-}
-
-/* Returns the file of an icon given its name and size */
-static char *find_icon_file(const char *name, int size) {
- int namelen = strlen(name);
- list_t *dirs = find_all_theme_dirs(swaybar.config->icon_theme);
- if (!dirs) {
- return NULL;
- }
- int min_size_diff = INT_MAX;
- char *current_file = NULL;
-
- for (int i = 0; i < dirs->length; ++i) {
- char *dir = dirs->items[i];
- list_t *subdirs = find_theme_subdirs(dir);
-
- if (!subdirs) {
- continue;
- }
-
- for (int i = 0; i < subdirs->length; ++i) {
- struct subdir *subdir = subdirs->items[i];
-
- // Only use an unsized if we don't already have a
- // canidate this should probably change to allow svgs
- if (!subdir->size && current_file) {
- continue;
- }
-
- int size_diff = abs(size - subdir->size);
-
- if (size_diff >= min_size_diff) {
- continue;
- }
-
- char *path = malloc(strlen(subdir->name) + strlen(dir) + 2);
-
- strcpy(path, dir);
- path[strlen(dir)] = '/';
- strcpy(path + strlen(dir) + 1, subdir->name);
-
- DIR *icons = opendir(path);
- if (!icons) {
- free(path);
- continue;
- }
-
- struct dirent *direntry;
- while ((direntry = readdir(icons)) != NULL) {
- int len = strlen(direntry->d_name);
- if (len <= namelen + 2) { //must have some ext
- continue;
- }
- if (strncmp(direntry->d_name, name, namelen) == 0) {
- char *ext = direntry->d_name + namelen + 1;
-#ifdef WITH_GDK_PIXBUF
- if (strcmp(ext, "png") == 0 ||
- strcmp(ext, "xpm") == 0 ||
- strcmp(ext, "svg") == 0) {
-#else
- if (strcmp(ext, "png") == 0) {
-#endif
- free(current_file);
- char *icon_path = malloc(strlen(path) + len + 2);
-
- strcpy(icon_path, path);
- icon_path[strlen(path)] = '/';
- strcpy(icon_path + strlen(path) + 1, direntry->d_name);
- current_file = icon_path;
- min_size_diff = size_diff;
- }
- }
- }
- free(path);
- closedir(icons);
- }
- free_flat_list(subdirs);
- }
- free_flat_list(dirs);
-
- return current_file;
-}
-
-cairo_surface_t *find_icon(const char *name, int size) {
- char *image_path = find_icon_file(name, size);
- if (image_path == NULL) {
- return NULL;
- }
-
- 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_log(L_ERROR, "Failed to load icon image: %s", err->message);
- }
- image = gdk_cairo_image_surface_create_from_pixbuf(pixbuf);
- g_object_unref(pixbuf);
-#else
- // TODO make svg work? cairo supports it. maybe remove gdk alltogether
- image = cairo_image_surface_create_from_png(image_path);
-#endif //WITH_GDK_PIXBUF
- if (!image) {
- sway_log(L_ERROR, "Could not read icon image");
- return NULL;
- }
-
- free(image_path);
- return image;
-}
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