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Launcher: SVG icon support and icon loading improvements

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git-svn-id: http://tint2.googlecode.com/svn/trunk@670 121b4492-b84c-0410-8b4c-0d4edfb3f3cc
This commit is contained in:
o9000
2015-01-28 14:47:39 +00:00
committed by mrovi9000@gmail.com
parent ec80e09b0b
commit 1a3ba21245
9 changed files with 1049 additions and 757 deletions
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815
src/launcher/launcher.c
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@@ -3,6 +3,9 @@
*
* Copyright (C) 2010 (mrovi@interfete-web-club.com)
*
* SVG support: https://github.com/ixxra/tint2-svg
* Copyright (C) 2010 Rene Garcia (garciamx@gmail.com)
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License version 2
* as published by the Free Software Foundation.
@@ -25,9 +28,13 @@
#include <signal.h>
#include <stdlib.h>
#include <glib/gi18n.h>
#include <glib.h>
#include <glib/gstdio.h>
#include <gdk-pixbuf/gdk-pixbuf.h>
#ifdef HAVE_SN
#include <libsn/sn.h>
#ifdef HAVE_RSVG
#include <librsvg/rsvg.h>
#include <librsvg/rsvg-cairo.h>
#endif
#include "window.h"
@@ -36,6 +43,8 @@
#include "panel.h"
#include "taskbar.h"
#include "launcher.h"
#include "apps-common.h"
#include "icon-theme-common.h"
int launcher_enabled;
int launcher_max_icon_size;
@@ -46,16 +55,8 @@ int launcher_brightness;
char *icon_theme_name;
XSettingsClient *xsettings_client;
#define ICON_FALLBACK "application-x-executable"
char *icon_path(Launcher *launcher, const char *icon_name, int size);
void launcher_load_themes(Launcher *launcher);
void free_desktop_entry(DesktopEntry *entry);
int launcher_read_desktop_file(const char *path, DesktopEntry *entry);
Imlib_Image scale_icon(Imlib_Image original, int icon_size);
void free_icon(Imlib_Image icon);
void free_icon_theme(IconTheme *theme);
void default_launcher()
{
@@ -65,7 +66,7 @@ void default_launcher()
launcher_alpha = 100;
launcher_saturation = 0;
launcher_brightness = 0;
icon_theme_name = 0;
icon_theme_name = NULL;
xsettings_client = NULL;
}
@@ -124,7 +125,7 @@ void cleanup_launcher()
g_slist_free(panel_config.launcher.list_apps);
panel_config.launcher.list_apps = NULL;
free(icon_theme_name);
icon_theme_name = 0;
icon_theme_name = NULL;
launcher_enabled = 0;
}
@@ -147,13 +148,9 @@ void cleanup_launcher_theme(Launcher *launcher)
}
g_slist_free(launcher->list_icons);
for (l = launcher->list_themes; l ; l = l->next) {
IconTheme *theme = (IconTheme*) l->data;
free_icon_theme(theme);
free(theme);
}
g_slist_free(launcher->list_themes);
launcher->list_icons = launcher->list_themes = NULL;
free_themes(launcher->list_themes);
launcher->list_icons = NULL;
launcher->list_themes = NULL;
}
@@ -164,10 +161,11 @@ int resize_launcher(void *obj)
int count, icon_size;
int icons_per_column=1, icons_per_row=1, marging=0;
if (panel_horizontal)
if (panel_horizontal) {
icon_size = launcher->area.height;
else
} else {
icon_size = launcher->area.width;
}
icon_size = icon_size - (2 * launcher->area.bg->border.width) - (2 * launcher->area.paddingy);
if (launcher_max_icon_size > 0 && icon_size > launcher_max_icon_size)
icon_size = launcher_max_icon_size;
@@ -181,20 +179,13 @@ int resize_launcher(void *obj)
launcherIcon->area.height = launcherIcon->icon_size;
// Get the path for an icon file with the new size
char *new_icon_path = icon_path(launcher, launcherIcon->icon_name, launcherIcon->icon_size);
char *new_icon_path = get_icon_path(launcher->list_themes, launcherIcon->icon_name, launcherIcon->icon_size);
if (!new_icon_path) {
// Draw a blank icon
free_icon(launcherIcon->icon_original);
launcherIcon->icon_original = NULL;
free_icon(launcherIcon->icon_scaled);
launcherIcon->icon_scaled = NULL;
new_icon_path = icon_path(launcher, ICON_FALLBACK, launcherIcon->icon_size);
if (new_icon_path) {
launcherIcon->icon_original = imlib_load_image(new_icon_path);
fprintf(stderr, "launcher.c %d: Using icon %s\n", __LINE__, new_icon_path);
free(new_icon_path);
}
launcherIcon->icon_scaled = scale_icon(launcherIcon->icon_original, icon_size);
continue;
}
if (launcherIcon->icon_path && strcmp(new_icon_path, launcherIcon->icon_path) == 0) {
@@ -207,12 +198,52 @@ int resize_launcher(void *obj)
// Free the old files
free_icon(launcherIcon->icon_original);
free_icon(launcherIcon->icon_scaled);
launcherIcon->icon_original = launcherIcon->icon_scaled = NULL;
// Load the new file and scale
launcherIcon->icon_original = imlib_load_image(new_icon_path);
#ifdef HAVE_RSVG
if (g_str_has_suffix(new_icon_path, ".svg")) {
GError* err = NULL;
RsvgHandle* svg = rsvg_handle_new_from_file(new_icon_path, &err);
if (err != NULL) {
fprintf(stderr, "Could not load svg image!: %s", err->message);
g_error_free(err);
launcherIcon->icon_original = NULL;
} else {
char suffix[128];
sprintf(suffix, "tmpicon-%d.png", getpid());
gchar *name = g_build_filename(g_get_user_config_dir(), "tint2", suffix, NULL);
GdkPixbuf *pixbuf = rsvg_handle_get_pixbuf(svg);
gdk_pixbuf_save(pixbuf, name, "png", NULL, NULL);
launcherIcon->icon_original = imlib_load_image_immediately_without_cache(name);
g_remove(name);
g_free(name);
g_object_unref(G_OBJECT(pixbuf));
g_object_unref(G_OBJECT(svg));
}
} else
#endif
{
launcherIcon->icon_original = imlib_load_image_immediately(new_icon_path);
}
// On loading error, fallback to default
if (!launcherIcon->icon_original) {
free(new_icon_path);
new_icon_path = get_icon_path(launcher->list_themes, DEFAULT_ICON, launcherIcon->icon_size);
if (new_icon_path)
launcherIcon->icon_original = imlib_load_image_immediately(new_icon_path);
}
if (!launcherIcon->icon_original) {
// Loading default icon failed, draw a blank icon
free(new_icon_path);
} else {
// Loaded icon successfully
launcherIcon->icon_scaled = scale_icon(launcherIcon->icon_original, launcherIcon->icon_size);
free(launcherIcon->icon_path);
launcherIcon->icon_path = new_icon_path;
fprintf(stderr, "launcher.c %d: Using icon %s\n", __LINE__, launcherIcon->icon_path);
}
}
}
}
@@ -220,25 +251,33 @@ int resize_launcher(void *obj)
count = g_slist_length(launcher->list_icons);
if (panel_horizontal) {
if (!count) launcher->area.width = 0;
else {
if (!count) {
launcher->area.width = 0;
} else {
int height = launcher->area.height - 2*launcher->area.bg->border.width - 2*launcher->area.paddingy;
// here icons_per_column always higher than 0
icons_per_column = (height+launcher->area.paddingx) / (icon_size+launcher->area.paddingx);
marging = height - (icons_per_column-1)*(icon_size+launcher->area.paddingx) - icon_size;
icons_per_row = count / icons_per_column + (count%icons_per_column != 0);
launcher->area.width = (2 * launcher->area.bg->border.width) + (2 * launcher->area.paddingxlr) + (icon_size * icons_per_row) + ((icons_per_row-1) * launcher->area.paddingx);
launcher->area.width = (2 * launcher->area.bg->border.width) +
(2 * launcher->area.paddingxlr) +
(icon_size * icons_per_row) +
((icons_per_row-1) * launcher->area.paddingx);
}
}
else {
if (!count) launcher->area.height = 0;
else {
if (!count) {
launcher->area.height = 0;
} else {
int width = launcher->area.width - 2*launcher->area.bg->border.width - 2*launcher->area.paddingy;
// here icons_per_row always higher than 0
icons_per_row = (width+launcher->area.paddingx) / (icon_size+launcher->area.paddingx);
marging = width - (icons_per_row-1)*(icon_size+launcher->area.paddingx) - icon_size;
icons_per_column = count / icons_per_row+ (count%icons_per_row != 0);
launcher->area.height = (2 * launcher->area.bg->border.width) + (2 * launcher->area.paddingxlr) + (icon_size * icons_per_column) + ((icons_per_column-1) * launcher->area.paddingx);
launcher->area.height = (2 * launcher->area.bg->border.width) +
(2 * launcher->area.paddingxlr) +
(icon_size * icons_per_column) +
((icons_per_column-1) * launcher->area.paddingx);
}
}
@@ -247,8 +286,7 @@ int resize_launcher(void *obj)
if (panel_horizontal) {
posy = start;
posx = launcher->area.bg->border.width + launcher->area.paddingxlr;
}
else {
} else {
posx = start;
posy = launcher->area.bg->border.width + launcher->area.paddingxlr;
}
@@ -258,19 +296,22 @@ int resize_launcher(void *obj)
launcherIcon->y = posy;
launcherIcon->x = posx;
launcherIcon->area.posy = ((Area*)launcherIcon->area.parent)->posy + launcherIcon->y;
launcherIcon->area.posx = ((Area*)launcherIcon->area.parent)->posx + launcherIcon->x;
launcherIcon->area.width = launcherIcon->icon_size;
launcherIcon->area.height = launcherIcon->icon_size;
//printf("launcher %d : %d,%d\n", i, posx, posy);
if (panel_horizontal) {
if (i % icons_per_column)
if (i % icons_per_column) {
posy += icon_size + launcher->area.paddingx;
else {
} else {
posy = start;
posx += (icon_size + launcher->area.paddingx);
}
}
else {
if (i % icons_per_row)
} else {
if (i % icons_per_row) {
posx += icon_size + launcher->area.paddingx;
else {
} else {
posx = start;
posy += (icon_size + launcher->area.paddingx);
}
@@ -286,6 +327,8 @@ void launcher_icon_on_change_layout(void *obj)
LauncherIcon *launcherIcon = (LauncherIcon*)obj;
launcherIcon->area.posy = ((Area*)launcherIcon->area.parent)->posy + launcherIcon->y;
launcherIcon->area.posx = ((Area*)launcherIcon->area.parent)->posx + launcherIcon->x;
launcherIcon->area.width = launcherIcon->icon_size;
launcherIcon->area.height = launcherIcon->icon_size;
}
const char* launcher_icon_get_tooltip_text(void *obj)
@@ -297,10 +340,12 @@ const char* launcher_icon_get_tooltip_text(void *obj)
void draw_launcher_icon(void *obj, cairo_t *c)
{
LauncherIcon *launcherIcon = (LauncherIcon*)obj;
Imlib_Image icon_scaled = launcherIcon->icon_scaled;
// Render
imlib_context_set_image (icon_scaled);
if (server.real_transparency) {
// TODO with compton this does not work with Firefox and Chrome but it works with the other icons ?!
render_image(launcherIcon->area.pix, 0, 0, imlib_image_get_width(), imlib_image_get_height() );
} else {
imlib_context_set_drawable(launcherIcon->area.pix);
@@ -387,379 +432,14 @@ void launcher_action(LauncherIcon *icon, XEvent* evt)
free(cmd);
}
/***************** Freedesktop app.desktop and icon theme handling *********************/
/* http://standards.freedesktop.org/desktop-entry-spec/ */
/* http://standards.freedesktop.org/icon-theme-spec/ */
// Splits line at first '=' and returns 1 if successful, and parts are not empty
// key and value point to the parts
int parse_dektop_line(char *line, char **key, char **value)
{
char *p;
int found = 0;
*key = line;
for (p = line; *p; p++) {
if (*p == '=') {
*value = p + 1;
*p = 0;
found = 1;
break;
}
}
if (!found)
return 0;
if (found && (strlen(*key) == 0 || strlen(*value) == 0))
return 0;
return 1;
}
int parse_theme_line(char *line, char **key, char **value)
{
return parse_dektop_line(line, key, value);
}
void expand_exec(DesktopEntry *entry, const char *path)
{
// Expand % in exec
// %i -> --icon Icon
// %c -> Name
// %k -> path
if (entry->exec) {
char *exec2 = malloc(strlen(entry->exec) + (entry->name ? strlen(entry->name) : 1) + (entry->icon ? strlen(entry->icon) : 1) + 100);
char *p, *q;
// p will never point to an escaped char
for (p = entry->exec, q = exec2; *p; p++, q++) {
*q = *p; // Copy
if (*p == '\\') {
p++, q++;
// Copy the escaped char
if (*p == '%') // For % we delete the backslash, i.e. write % over it
q--;
*q = *p;
if (!*p) break;
continue;
}
if (*p == '%') {
p++;
if (!*p) break;
if (*p == 'i' && entry->icon != NULL) {
sprintf(q, "--icon '%s'", entry->icon);
q += strlen("--icon ''");
q += strlen(entry->icon);
q--; // To balance the q++ in the for
} else if (*p == 'c' && entry->name != NULL) {
sprintf(q, "'%s'", entry->name);
q += strlen("''");
q += strlen(entry->name);
q--; // To balance the q++ in the for
} else if (*p == 'c') {
sprintf(q, "'%s'", path);
q += strlen("''");
q += strlen(path);
q--; // To balance the q++ in the for
} else {
// We don't care about other expansions
q--; // Delete the last % from q
}
continue;
}
}
*q = '\0';
free(entry->exec);
entry->exec = exec2;
}
}
int launcher_read_desktop_file(const char *path, DesktopEntry *entry)
{
FILE *fp;
char *line = NULL;
size_t line_size;
char *key, *value;
int i;
entry->name = entry->icon = entry->exec = NULL;
if ((fp = fopen(path, "rt")) == NULL) {
fprintf(stderr, "Could not open file %s\n", path);
return 0;
}
gchar **languages = (gchar **)g_get_language_names();
// lang_index is the index of the language for the best Name key in the language vector
// lang_index_default is a constant that encodes the Name key without a language
int lang_index, lang_index_default;
#define LANG_DBG 0
if (LANG_DBG) printf("Languages:");
for (i = 0; languages[i]; i++) {
if (LANG_DBG) printf(" %s", languages[i]);
}
if (LANG_DBG) printf("\n");
lang_index_default = i;
// we currently do not know about any Name key at all, so use an invalid index
lang_index = lang_index_default + 1;
int inside_desktop_entry = 0;
while (getline(&line, &line_size, fp) >= 0) {
int len = strlen(line);
if (len == 0)
continue;
line[len - 1] = '\0';
if (line[0] == '[') {
inside_desktop_entry = (strcmp(line, "[Desktop Entry]") == 0);
}
if (inside_desktop_entry && parse_dektop_line(line, &key, &value)) {
if (strstr(key, "Name") == key) {
if (strcmp(key, "Name") == 0 && lang_index > lang_index_default) {
entry->name = strdup(value);
lang_index = lang_index_default;
} else {
for (i = 0; languages[i] && i < lang_index; i++) {
gchar *localized_key = g_strdup_printf("Name[%s]", languages[i]);
if (strcmp(key, localized_key) == 0) {
if (entry->name)
free(entry->name);
entry->name = strdup(value);
lang_index = i;
}
g_free(localized_key);
}
}
} else if (!entry->exec && strcmp(key, "Exec") == 0) {
entry->exec = strdup(value);
} else if (!entry->icon && strcmp(key, "Icon") == 0) {
entry->icon = strdup(value);
}
}
}
fclose (fp);
// From this point:
// entry->name, entry->icon, entry->exec will never be empty strings (can be NULL though)
expand_exec(entry, path);
free(line);
return 1;
}
void free_desktop_entry(DesktopEntry *entry)
{
free(entry->name);
free(entry->icon);
free(entry->exec);
}
void test_launcher_read_desktop_file()
{
fprintf(stdout, "\033[1;33m");
DesktopEntry entry;
launcher_read_desktop_file("/usr/share/applications/firefox.desktop", &entry);
printf("Name:%s Icon:%s Exec:%s\n", entry.name, entry.icon, entry.exec);
fprintf(stdout, "\033[0m");
}
//TODO Use UTF8 when parsing the file
IconTheme *load_theme(char *name)
{
// Look for name/index.theme in $HOME/.icons, /usr/share/icons, /usr/share/pixmaps (stop at the first found)
// Parse index.theme -> list of IconThemeDir with attributes
// Return IconTheme*
IconTheme *theme;
char *file_name;
FILE *f;
char *line = NULL;
size_t line_size;
if (name == NULL)
return NULL;
file_name = g_build_filename(g_get_home_dir(), ".icons", name, "index.theme", NULL);
if (!g_file_test(file_name, G_FILE_TEST_EXISTS)) {
g_free (file_name);
file_name = g_build_filename("/usr/share/icons", name, "index.theme", NULL);
if (!g_file_test(file_name, G_FILE_TEST_EXISTS)) {
g_free (file_name);
file_name = g_build_filename("/usr/share/pixmaps", name, "index.theme", NULL);
if (!g_file_test(file_name, G_FILE_TEST_EXISTS)) {
g_free (file_name);
file_name = NULL;
}
}
}
if (!file_name) {
return NULL;
}
if ((f = fopen(file_name, "rt")) == NULL) {
fprintf(stderr, "Could not open theme '%s'\n", file_name);
return NULL;
}
g_free (file_name);
theme = calloc(1, sizeof(IconTheme));
theme->name = strdup(name);
theme->list_inherits = NULL;
theme->list_directories = NULL;
IconThemeDir *current_dir = NULL;
int inside_header = 1;
while (getline(&line, &line_size, f) >= 0) {
char *key, *value;
int line_len = strlen(line);
if (line_len >= 1) {
if (line[line_len - 1] == '\n') {
line[line_len - 1] = '\0';
line_len--;
}
}
if (line_len == 0)
continue;
if (inside_header) {
if (parse_theme_line(line, &key, &value)) {
if (strcmp(key, "Inherits") == 0) {
// value is like oxygen,wood,default
char *token;
token = strtok(value, ",\n");
while (token != NULL)
{
theme->list_inherits = g_slist_append(theme->list_inherits, strdup(token));
token = strtok(NULL, ",\n");
}
} else if (strcmp(key, "Directories") == 0) {
// value is like 48x48/apps,48x48/mimetypes,32x32/apps,scalable/apps,scalable/mimetypes
char *token;
token = strtok(value, ",\n");
while (token != NULL)
{
IconThemeDir *dir = calloc(1, sizeof(IconThemeDir));
dir->name = strdup(token);
dir->max_size = dir->min_size = dir->size = -1;
dir->type = ICON_DIR_TYPE_THRESHOLD;
dir->threshold = 2;
theme->list_directories = g_slist_append(theme->list_directories, dir);
token = strtok(NULL, ",\n");
}
}
}
} else if (current_dir != NULL) {
if (parse_theme_line(line, &key, &value)) {
if (strcmp(key, "Size") == 0) {
// value is like 24
sscanf(value, "%d", &current_dir->size);
if (current_dir->max_size == -1)
current_dir->max_size = current_dir->size;
if (current_dir->min_size == -1)
current_dir->min_size = current_dir->size;
} else if (strcmp(key, "MaxSize") == 0) {
// value is like 24
sscanf(value, "%d", &current_dir->max_size);
} else if (strcmp(key, "MinSize") == 0) {
// value is like 24
sscanf(value, "%d", &current_dir->min_size);
} else if (strcmp(key, "Threshold") == 0) {
// value is like 2
sscanf(value, "%d", &current_dir->threshold);
} else if (strcmp(key, "Type") == 0) {
// value is Fixed, Scalable or Threshold : default to scalable for unknown Type.
if (strcmp(value, "Fixed") == 0) {
current_dir->type = ICON_DIR_TYPE_FIXED;
} else if (strcmp(value, "Threshold") == 0) {
current_dir->type = ICON_DIR_TYPE_THRESHOLD;
} else {
current_dir->type = ICON_DIR_TYPE_SCALABLE;
}
} else if (strcmp(key, "Context") == 0) {
// usual values: Actions, Applications, Devices, FileSystems, MimeTypes
current_dir->context = strdup(value);
}
}
}
if (line[0] == '[' && line[line_len - 1] == ']' && strcmp(line, "[Icon Theme]") != 0) {
inside_header = 0;
current_dir = NULL;
line[line_len - 1] = '\0';
char *dir_name = line + 1;
GSList* dir_item = theme->list_directories;
while (dir_item != NULL)
{
IconThemeDir *dir = dir_item->data;
if (strcmp(dir->name, dir_name) == 0) {
current_dir = dir;
break;
}
dir_item = g_slist_next(dir_item);
}
}
}
fclose(f);
free(line);
return theme;
}
void free_icon_theme(IconTheme *theme)
{
free(theme->name);
GSList *l_inherits;
for (l_inherits = theme->list_inherits; l_inherits ; l_inherits = l_inherits->next) {
free(l_inherits->data);
}
GSList *l_dir;
for (l_dir = theme->list_directories; l_dir ; l_dir = l_dir->next) {
IconThemeDir *dir = (IconThemeDir *)l_dir->data;
free(dir->name);
free(dir->context);
free(l_dir->data);
}
}
void test_launcher_read_theme_file()
{
fprintf(stdout, "\033[1;33m");
IconTheme *theme = load_theme("oxygen");
if (!theme) {
printf("Could not load theme\n");
return;
}
printf("Loaded theme: %s\n", theme->name);
GSList* item = theme->list_inherits;
while (item != NULL)
{
printf("Inherits:%s\n", (char*)item->data);
item = g_slist_next(item);
}
item = theme->list_directories;
while (item != NULL)
{
IconThemeDir *dir = item->data;
printf("Dir:%s Size=%d MinSize=%d MaxSize=%d Threshold=%d Type=%s Context=%s\n",
dir->name, dir->size, dir->min_size, dir->max_size, dir->threshold,
dir->type == ICON_DIR_TYPE_FIXED ? "Fixed" :
dir->type == ICON_DIR_TYPE_SCALABLE ? "Scalable" :
dir->type == ICON_DIR_TYPE_THRESHOLD ? "Threshold" : "?????",
dir->context);
item = g_slist_next(item);
}
fprintf(stdout, "\033[0m");
}
// Populates the list_icons list
// Populates the list_icons list from the list_apps list
void launcher_load_icons(Launcher *launcher)
{
// Load apps (.desktop style launcher items)
GSList* app = launcher->list_apps;
while (app != NULL) {
DesktopEntry entry;
launcher_read_desktop_file(app->data, &entry);
read_desktop_file(app->data, &entry);
if (entry.exec) {
LauncherIcon *launcherIcon = calloc(1, sizeof(LauncherIcon));
launcherIcon->area.parent = launcher;
@@ -772,13 +452,14 @@ void launcher_load_icons(Launcher *launcher)
launcherIcon->area.bg = &g_array_index(backgrounds, Background, 0);
launcherIcon->area.on_screen = 1;
launcherIcon->area._on_change_layout = launcher_icon_on_change_layout;
if (launcher_tooltip_enabled)
if (launcher_tooltip_enabled) {
launcherIcon->area._get_tooltip_text = launcher_icon_get_tooltip_text;
else
} else {
launcherIcon->area._get_tooltip_text = NULL;
}
launcherIcon->is_app_desktop = 1;
launcherIcon->cmd = strdup(entry.exec);
launcherIcon->icon_name = entry.icon ? strdup(entry.icon) : strdup(ICON_FALLBACK);
launcherIcon->icon_name = entry.icon ? strdup(entry.icon) : strdup(DEFAULT_ICON);
launcherIcon->icon_size = 1;
launcherIcon->icon_tooltip = entry.name ? strdup(entry.name) : strdup(entry.exec);
free_desktop_entry(&entry);
@@ -793,309 +474,5 @@ void launcher_load_icons(Launcher *launcher)
// Populates the list_themes list
void launcher_load_themes(Launcher *launcher)
{
// load the user theme, all the inherited themes recursively (DFS), and the hicolor theme
// avoid inheritance loops
if (!icon_theme_name) {
fprintf(stderr, "Missing launcher theme, default to 'hicolor'.\n");
icon_theme_name = strdup("hicolor");
} else {
fprintf(stderr, "Loading %s. Icon theme :", icon_theme_name);
}
GSList *queue = g_slist_append(NULL, strdup(icon_theme_name));
GSList *queued = g_slist_append(NULL, strdup(icon_theme_name));
int hicolor_loaded = 0;
while (queue || !hicolor_loaded) {
if (!queue) {
GSList* queued_item = queued;
while (queued_item != NULL) {
if (strcmp(queued_item->data, "hicolor") == 0) {
hicolor_loaded = 1;
break;
}
queued_item = g_slist_next(queued_item);
}
if (hicolor_loaded)
break;
queue = g_slist_append(queue, strdup("hicolor"));
queued = g_slist_append(queued, strdup("hicolor"));
}
char *name = queue->data;
queue = g_slist_remove(queue, name);
fprintf(stderr, " '%s',", name);
IconTheme *theme = load_theme(name);
if (theme != NULL) {
launcher->list_themes = g_slist_append(launcher->list_themes, theme);
GSList* item = theme->list_inherits;
int pos = 0;
while (item != NULL)
{
char *parent = item->data;
int duplicate = 0;
GSList* queued_item = queued;
while (queued_item != NULL) {
if (strcmp(queued_item->data, parent) == 0) {
duplicate = 1;
break;
}
queued_item = g_slist_next(queued_item);
}
if (!duplicate) {
queue = g_slist_insert(queue, strdup(parent), pos);
pos++;
queued = g_slist_append(queued, strdup(parent));
}
item = g_slist_next(item);
}
}
}
fprintf(stderr, "\n");
// Free the queue
GSList *l;
for (l = queue; l ; l = l->next)
free(l->data);
g_slist_free(queue);
for (l = queued; l ; l = l->next)
free(l->data);
g_slist_free(queued);
launcher->list_themes = load_themes(icon_theme_name);
}
int directory_matches_size(IconThemeDir *dir, int size)
{
if (dir->type == ICON_DIR_TYPE_FIXED) {
return dir->size == size;
} else if (dir->type == ICON_DIR_TYPE_SCALABLE) {
return dir->min_size <= size && size <= dir->max_size;
} else /*if (dir->type == ICON_DIR_TYPE_THRESHOLD)*/ {
return dir->size - dir->threshold <= size && size <= dir->size + dir->threshold;
}
}
int directory_size_distance(IconThemeDir *dir, int size)
{
if (dir->type == ICON_DIR_TYPE_FIXED) {
return abs(dir->size - size);
} else if (dir->type == ICON_DIR_TYPE_SCALABLE) {
if (size < dir->min_size) {
return dir->min_size - size;
} else if (size > dir->max_size) {
return size - dir->max_size;
} else {
return 0;
}
} else /*if (dir->type == ICON_DIR_TYPE_THRESHOLD)*/ {
if (size < dir->size - dir->threshold) {
return dir->min_size - size;
} else if (size > dir->size + dir->threshold) {
return size - dir->max_size;
} else {
return 0;
}
}
}
#define DEBUG_ICON_SEARCH 0
// Returns the full path to an icon file (or NULL) given the icon name
char *icon_path(Launcher *launcher, const char *icon_name, int size)
{
if (icon_name == NULL)
return NULL;
// If the icon_name is already a path and the file exists, return it
if (strstr(icon_name, "/") == icon_name) {
if (g_file_test(icon_name, G_FILE_TEST_EXISTS))
return strdup(icon_name);
else
return NULL;
}
GSList *basenames = NULL;
char *home_icons = g_build_filename(g_get_home_dir(), ".icons", NULL);
basenames = g_slist_append(basenames, home_icons);
char *home_local_icons = g_build_filename(g_get_home_dir(), ".local/share/icons", NULL);
basenames = g_slist_append(basenames, home_local_icons);
basenames = g_slist_append(basenames, "/usr/local/share/icons");
basenames = g_slist_append(basenames, "/usr/local/share/pixmaps");
basenames = g_slist_append(basenames, "/usr/share/icons");
basenames = g_slist_append(basenames, "/usr/share/pixmaps");
GSList *extensions = NULL;
extensions = g_slist_append(extensions, ".png");
extensions = g_slist_append(extensions, ".xpm");
// if the icon name already contains one of the extensions (e.g. vlc.png instead of vlc) add a special entry
GSList *ext;
for (ext = extensions; ext; ext = g_slist_next(ext)) {
char *extension = (char*) ext->data;
if (strlen(icon_name) > strlen(extension) &&
strcmp(extension, icon_name + strlen(icon_name) - strlen(extension)) == 0) {
extensions = g_slist_append(extensions, "");
break;
}
}
GSList *theme;
// Stage 1: exact size match
// the theme must have a higher priority than having an exact size match, so we will just use
// the code that searches for the best size match (it will find the exact size match if one exists)
/*
for (theme = launcher->list_themes; theme; theme = g_slist_next(theme)) {
GSList *dir;
for (dir = ((IconTheme*)theme->data)->list_directories; dir; dir = g_slist_next(dir)) {
if (directory_matches_size((IconThemeDir*)dir->data, size)) {
GSList *base;
for (base = basenames; base; base = g_slist_next(base)) {
GSList *ext;
for (ext = extensions; ext; ext = g_slist_next(ext)) {
char *base_name = (char*) base->data;
char *theme_name = ((IconTheme*)theme->data)->name;
char *dir_name = ((IconThemeDir*)dir->data)->name;
char *extension = (char*) ext->data;
char *file_name = malloc(strlen(base_name) + strlen(theme_name) +
strlen(dir_name) + strlen(icon_name) + strlen(extension) + 100);
// filename = directory/$(themename)/subdirectory/iconname.extension
sprintf(file_name, "%s/%s/%s/%s%s", base_name, theme_name, dir_name, icon_name, extension);
//printf("found exact: %s\n", file_name);
//printf("checking %s\n", file_name);
if (g_file_test(file_name, G_FILE_TEST_EXISTS)) {
g_slist_free(basenames);
g_slist_free(extensions);
g_free(home_icons);
g_free(home_local_icons);
return file_name;
} else {
free(file_name);
file_name = NULL;
}
}
}
}
}
}
g_free (file_name);
*/
// Stage 2: best size match
// Contrary to the freedesktop spec, we are not choosing the closest icon in size, but the next larger icon
// otherwise the quality is usually crap (for size 22, if you can choose 16 or 32, you're better with 32)
// We do fallback to the closest size if we cannot find a larger or equal icon
// These 3 variables are used for keeping the closest size match
int minimal_size = INT_MAX;
char *best_file_name = NULL;
GSList *best_file_theme = NULL;
// These 3 variables are used for keeping the next larger match
int next_larger_size = -1;
char *next_larger = NULL;
GSList *next_larger_theme = NULL;
for (theme = launcher->list_themes; theme; theme = g_slist_next(theme)) {
GSList *dir;
for (dir = ((IconTheme*)theme->data)->list_directories; dir; dir = g_slist_next(dir)) {
GSList *base;
for (base = basenames; base; base = g_slist_next(base)) {
GSList *ext;
for (ext = extensions; ext; ext = g_slist_next(ext)) {
char *base_name = (char*) base->data;
char *theme_name = ((IconTheme*)theme->data)->name;
char *dir_name = ((IconThemeDir*)dir->data)->name;
char *extension = (char*) ext->data;
char *file_name = malloc(strlen(base_name) + strlen(theme_name) +
strlen(dir_name) + strlen(icon_name) + strlen(extension) + 100);
// filename = directory/$(themename)/subdirectory/iconname.extension
sprintf(file_name, "%s/%s/%s/%s%s", base_name, theme_name, dir_name, icon_name, extension);
if (DEBUG_ICON_SEARCH)
printf("checking %s\n", file_name);
if (g_file_test(file_name, G_FILE_TEST_EXISTS)) {
if (DEBUG_ICON_SEARCH)
printf("found: %s\n", file_name);
// Closest match
if (directory_size_distance((IconThemeDir*)dir->data, size) < minimal_size && (!best_file_theme ? 1 : theme == best_file_theme)) {
if (best_file_name) {
free(best_file_name);
best_file_name = NULL;
}
best_file_name = strdup(file_name);
minimal_size = directory_size_distance((IconThemeDir*)dir->data, size);
best_file_theme = theme;
if (DEBUG_ICON_SEARCH)
printf("best_file_name = %s; minimal_size = %d\n", best_file_name, minimal_size);
}
// Next larger match
if (((IconThemeDir*)dir->data)->size >= size &&
(next_larger_size == -1 || ((IconThemeDir*)dir->data)->size < next_larger_size) &&
(!next_larger_theme ? 1 : theme == next_larger_theme)) {
if (next_larger) {
free(next_larger);
next_larger = NULL;
}
next_larger = strdup(file_name);
next_larger_size = ((IconThemeDir*)dir->data)->size;
next_larger_theme = theme;
if (DEBUG_ICON_SEARCH)
printf("next_larger = %s; next_larger_size = %d\n", next_larger, next_larger_size);
}
}
free(file_name);
}
}
}
}
if (next_larger) {
g_slist_free(basenames);
g_slist_free(extensions);
free(best_file_name);
g_free(home_icons);
g_free(home_local_icons);
return next_larger;
}
if (best_file_name) {
g_slist_free(basenames);
g_slist_free(extensions);
g_free(home_icons);
g_free(home_local_icons);
return best_file_name;
}
// Stage 3: look in unthemed icons
{
GSList *base;
for (base = basenames; base; base = g_slist_next(base)) {
GSList *ext;
for (ext = extensions; ext; ext = g_slist_next(ext)) {
char *base_name = (char*) base->data;
char *extension = (char*) ext->data;
char *file_name = malloc(strlen(base_name) + strlen(icon_name) +
strlen(extension) + 100);
// filename = directory/iconname.extension
sprintf(file_name, "%s/%s%s", base_name, icon_name, extension);
if (DEBUG_ICON_SEARCH)
printf("checking %s\n", file_name);
if (g_file_test(file_name, G_FILE_TEST_EXISTS)) {
g_slist_free(basenames);
g_slist_free(extensions);
g_free(home_icons);
g_free(home_local_icons);
return file_name;
} else {
free(file_name);
file_name = NULL;
}
}
}
}
fprintf(stderr, "Could not find icon %s\n", icon_name);
g_slist_free(basenames);
g_slist_free(extensions);
g_free(home_icons);
g_free(home_local_icons);
return NULL;
}