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utils.c
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utils.c
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/* UTILITY FUNCTIONS */
#include <sys/types.h>
#include <sys/stat.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <gtk/gtk.h>
#include "utils.h"
/* Get pixbuf icon from current icon theme */
GdkPixbuf *
utils_pixbuf_from_stock (const gchar *icon_name, gint size)
{
GtkIconTheme *icon_theme = gtk_icon_theme_get_default();
if (icon_theme)
return gtk_icon_theme_load_icon (icon_theme, icon_name, size, 0, NULL);
return NULL;
}
/* Check if two strings are exactly the same */
gboolean
utils_str_equal (const gchar *a, const gchar *b)
{
/* (taken from libexo from os-cillation) */
if (a == NULL && b == NULL)
return TRUE;
else if (a == NULL || b == NULL)
return FALSE;
while (*a == *b++)
if (*a++ == '\0')
return TRUE;
return FALSE;
}
/* Compare two strings, ignoring case differences */
gint
utils_str_casecmp (const gchar *s1, const gchar *s2)
{
gchar *tmp1, *tmp2;
gint result;
g_return_val_if_fail (s1 != NULL, 1);
g_return_val_if_fail (s2 != NULL, -1);
tmp1 = g_strdup (s1);
tmp2 = g_strdup (s2);
/* first ensure strings are UTF-8 */
if (! g_utf8_validate (s1, -1, NULL))
setptr (tmp1, g_locale_to_utf8 (s1, -1, NULL, NULL, NULL));
if (! g_utf8_validate (s2, -1, NULL))
setptr (tmp2, g_locale_to_utf8 (s2, -1, NULL, NULL, NULL));
if (tmp1 == NULL) {
g_free (tmp2);
return 1;
}
if (tmp2 == NULL) {
g_free (tmp1);
return -1;
}
/* then convert the strings into a case-insensitive form */
setptr (tmp1, g_utf8_strdown (tmp1, -1));
setptr (tmp2, g_utf8_strdown (tmp2, -1));
/* compare */
result = strcmp (tmp1, tmp2);
g_free (tmp1);
g_free (tmp2);
return result;
}
/* Get list of filenames inside a directory */
GSList *
utils_get_file_list_full (const gchar *path, gboolean full_path, gboolean sort, GError **error)
{
GSList *list = NULL;
GDir *dir;
const gchar *filename;
if (error)
*error = NULL;
g_return_val_if_fail (path != NULL, NULL);
dir = g_dir_open (path, 0, error);
if (dir == NULL)
return NULL;
foreach_dir (filename, dir) {
list = g_slist_prepend (list, full_path ? g_build_path (G_DIR_SEPARATOR_S, path, filename, NULL) : g_strdup (filename));
}
g_dir_close (dir);
/* sorting last is quicker than on insertion */
if (sort)
list = g_slist_sort (list, (GCompareFunc) utils_str_casecmp);
else
list = g_slist_reverse (list);
return list;
}
GSList *
utils_get_file_list (const gchar *path, guint *length, gboolean sort, GError **error)
{
GSList *list = utils_get_file_list_full (path, FALSE, sort, error);
if (length)
*length = g_slist_length (list);
return list;
}
/* Convert text in local encoding to UTF8 */
gchar *
utils_get_utf8_from_locale(const gchar *locale_text)
{
gchar *utf8_text;
if (! locale_text)
return NULL;
utf8_text = g_locale_to_utf8 (locale_text, -1, NULL, NULL, NULL);
if (utf8_text == NULL)
utf8_text = g_strdup (locale_text);
return utf8_text;
}
/* Get current home directory */
gchar *
utils_get_home_dir (void)
{
/* Note Glib documentation - get_home_dir() may not give the real home directory! */
if (g_getenv ("HOME"))
return g_strdup (g_getenv ("HOME"));
return g_strdup (g_get_home_dir ());
}
/* Get URI tooltip from URI, escaping ampersands ('&') */
gchar *
utils_tooltip_from_uri (const gchar *uri)
{
if (! uri)
return NULL;
gchar **strings = g_strsplit (uri, "&", 0);
gchar *result = g_strjoinv ("&", strings);
g_strfreev (strings);
return result;
}
/* Get cache path for directory icon of URI */
gchar *
utils_make_cache_path (const gchar *uri, gint imgsize)
{
/* Path for cached icon is constructed like this:
* $XDG_CACHE_HOME/deadbeef-fb/icons/<imgsize>/<uri-without-separators>.png
* If $XDG_CACHE_HOME is undefined, $HOME/.cache/deadbeef-fb/ is used instead.
*
* Example: The coverart image
* /home/user/Music/SomeArtist/Album01/cover.jpg
* will lead to the cached at
* /home/user/.cache/deadbeef-fb/24/home_user_Music_SomeArtist_Album01.png
*/
const gchar *cache = g_getenv ("XDG_CACHE_HOME");
GString *path, *fullpath;
gchar *cachedir, *fname;
path = g_string_sized_new (256); // reasonable initial size
g_string_printf (path,
cache ? "%s/deadbeef-fb/icons/%d/" : "%s/.cache/deadbeef-fb/icons/%d/",
cache ? cache : g_getenv ("HOME"),
imgsize);
cachedir = g_string_free (path, FALSE);
/* Create path if it doesn't exist already */
if (! g_file_test (cachedir, G_FILE_TEST_IS_DIR))
utils_check_dir (cachedir, 0755);
fullpath = g_string_new (g_strdup (cachedir));
fname = g_strdup (uri);
for (gchar *p = fname+1; *p; p++) {
if ((*p == G_DIR_SEPARATOR_S[0]) || (*p == ' ')) {
*p = '_';
}
}
g_string_append_printf (fullpath, "/%s.png", fname);
g_free (cachedir);
g_free (fname);
return g_string_free (fullpath, FALSE);
}
/* Copied from <deadbeef>/plugins/artwork/artwork.c with few adjustments */
gint
utils_check_dir (const gchar *dir, mode_t mode)
{
gchar *tmp = g_strdup (dir);
gchar *slash = tmp;
struct stat stat_buf;
do
{
slash = strstr (slash+1, "/");
if (slash)
*slash = 0;
if (-1 == stat (tmp, &stat_buf)) {
int errno = mkdir (tmp, mode);
if (0 != errno) {
fprintf (stderr, "Failed to create %s (%d)\n", tmp, errno);
g_free (tmp);
return 0;
}
}
if (slash)
*slash = '/';
}
while (slash);
g_free (tmp);
return 1;
}
void
utils_construct_style (GtkWidget *widget, const gchar *bgcolor, const gchar *fgcolor, const gchar *bgcolor_sel, const gchar *fgcolor_sel)
{
if (! widget)
return;
GString *style = g_string_new ("");
#if !GTK_CHECK_VERSION(3,0,0)
style = g_string_append (style, "style \"deadbeef-filebrowser\" { \n");
if (strlen(bgcolor) > 0) g_string_append_printf (style, " base[NORMAL] = \"%s\" \n", bgcolor);
if (strlen(bgcolor_sel) > 0) g_string_append_printf (style, " base[SELECTED] = \"%s\" \n", bgcolor_sel);
if (strlen(bgcolor_sel) > 0) g_string_append_printf (style, " base[ACTIVE] = \"%s\" \n", bgcolor_sel);
if (strlen(fgcolor) > 0) g_string_append_printf (style, " text[NORMAL] = \"%s\" \n", fgcolor);
if (strlen(fgcolor_sel) > 0) g_string_append_printf (style, " text[SELECTED] = \"%s\" \n", fgcolor_sel);
if (strlen(fgcolor_sel) > 0) g_string_append_printf (style, " text[ACTIVE] = \"%s\" \n", fgcolor_sel);
if (strlen(bgcolor) > 0) g_string_append_printf (style, " bg[NORMAL] = \"%s\" \n", bgcolor);
if (strlen(bgcolor_sel) > 0) g_string_append_printf (style, " bg[SELECTED] = \"%s\" \n", bgcolor_sel);
if (strlen(bgcolor_sel) > 0) g_string_append_printf (style, " bg[ACTIVE] = \"%s\" \n", bgcolor_sel);
if (strlen(fgcolor) > 0) g_string_append_printf (style, " fg[NORMAL] = \"%s\" \n", fgcolor);
if (strlen(fgcolor_sel) > 0) g_string_append_printf (style, " fg[SELECTED] = \"%s\" \n", fgcolor_sel);
if (strlen(fgcolor_sel) > 0) g_string_append_printf (style, " fg[ACTIVE] = \"%s\" \n", fgcolor_sel);
style = g_string_append (style, "} \n");
style = g_string_append (style, "widget \"*.deadbeef_filebrowser_treeview\" style \"deadbeef-filebrowser\" \n");
#else
style = g_string_append (style, "* { \n");
if (strlen(bgcolor) > 0) g_string_append_printf (style, " background-color: %s; \n", bgcolor);
if (strlen(fgcolor) > 0) g_string_append_printf (style, " color: %s; \n", fgcolor);
style = g_string_append (style, "} \n");
style = g_string_append (style, "*:selected { \n");
if (strlen(bgcolor_sel) > 0) g_string_append_printf (style, " background-color: %s; \n", bgcolor_sel);
if (strlen(fgcolor_sel) > 0) g_string_append_printf (style, " color: %s; \n", fgcolor_sel);
style = g_string_append (style, "} \n");
style = g_string_append (style, "*:active { \n");
if (strlen(bgcolor_sel) > 0) g_string_append_printf (style, " background-color: %s; \n", bgcolor_sel);
if (strlen(fgcolor_sel) > 0) g_string_append_printf (style, " color: %s; \n", fgcolor_sel);
style = g_string_append (style, "} \n");
#endif
gchar* style_str = g_string_free (style, FALSE);
fprintf(stderr, "gtk style: \n%s", style_str);
#if !GTK_CHECK_VERSION(3,0,0)
gtk_rc_parse_string (style_str);
#else
GtkCssProvider *css_provider = gtk_css_provider_get_default (); // do NOT free!
gtk_css_provider_load_from_data (css_provider, style_str, -1, NULL);
GtkStyleContext *style_ctx = gtk_widget_get_style_context (widget); // do NOT free!
gtk_style_context_add_provider (style_ctx, (GtkStyleProvider *) css_provider, GTK_STYLE_PROVIDER_PRIORITY_USER);
#endif
g_free (style_str);
}
gboolean
tree_view_expand_rows_recursive (GtkTreeModel *model, GtkTreeView *view, GtkTreePath *parent, gint max_depth)
{
GtkTreeIter iter;
if (! gtk_tree_model_get_iter(model, &iter, parent)) // check if path is valid
return FALSE;
if (max_depth > 0 && gtk_tree_path_get_depth (parent) >= max_depth)
return FALSE;
// when expanding, this should come *before* going down the tree
gtk_tree_view_expand_row (view, parent, TRUE);
GtkTreePath *path = gtk_tree_path_copy (parent);
gtk_tree_path_down (path);
while (tree_view_expand_rows_recursive (model, view, path, max_depth))
gtk_tree_path_next (path);
gtk_tree_path_free (path);
return TRUE;
}
gboolean
tree_view_collapse_rows_recursive (GtkTreeModel *model, GtkTreeView *view, GtkTreePath *parent, gint max_depth)
{
GtkTreeIter iter;
if (! gtk_tree_model_get_iter(model, &iter, parent)) // check if path is valid
return FALSE;
if (max_depth > 0 && gtk_tree_path_get_depth (parent) >= max_depth)
return FALSE;
GtkTreePath *path = gtk_tree_path_copy (parent);
gtk_tree_path_down (path);
while (tree_view_collapse_rows_recursive (model, view, path, max_depth))
gtk_tree_path_next (path);
gtk_tree_path_free (path);
// when expanding, this should come *after* going down the tree
gtk_tree_view_collapse_row (view, parent);
return TRUE;
}