Merging new panel in the trunk.

ede-panel/applets/start-menu/DesktopEntry.cpp

@@ -0,0 +1,182 @@
+#include <string.h>
+
+#include <edelib/Util.h>
+#include <edelib/StrUtil.h>
+#include <edelib/Directory.h>
+#include <edelib/DesktopFile.h>
+
+#include "DesktopEntry.h"
+
+EDELIB_NS_USING(DesktopFile)
+EDELIB_NS_USING(build_filename)
+EDELIB_NS_USING(stringtok)
+EDELIB_NS_USING(DESK_FILE_TYPE_APPLICATION)
+
+static int age_counter = 1;
+
+DesktopEntry::~DesktopEntry() {
+	delete path;
+	delete id;
+
+	delete categories;
+	delete name;
+	delete generic_name;
+	delete comment;
+	delete icon;
+	delete exec;
+}
+
+void DesktopEntry::assign_path(const char *dir, const char *p, const char *basedir) {
+	E_ASSERT(dir != NULL);
+	E_ASSERT(p != NULL);
+
+	/* make sure we do not assign things twice */
+	E_RETURN_IF_FAIL(path == NULL);
+	E_RETURN_IF_FAIL(id == NULL);
+
+	const char *ptr;
+	String *spath, *sid;
+
+	/* full path */
+	spath = new String(build_filename(dir, p));
+	ptr = spath->c_str();
+
+	/* if we have basedir, skip directory path by jumping the size of basedir */
+	if(basedir) {
+		ptr += strlen(basedir);
+
+		/* skip ending delimiters */
+		while(*ptr == E_DIR_SEPARATOR)
+			ptr++;
+	}
+
+	sid = new String(ptr);
+
+	/* replace existing separators; this is in the spec */
+	sid->replace(E_DIR_SEPARATOR, '-');
+
+	path = spath;
+	id   = sid;
+	age  = age_counter++;
+}
+
+bool DesktopEntry::load(void) {
+	E_RETURN_VAL_IF_FAIL(path != NULL, false);
+
+	DesktopFile df;
+	if(!df.load(path->c_str())) {
+		E_WARNING(E_STRLOC ": Unable to load %s\n", path->c_str());
+		return false;
+	}
+
+	/* check if we are 'Hidden = true' or 'NoDisplay = true'; these must not be loaded */
+	if(df.hidden() || df.no_display())
+		return false;
+
+	/* it must be application type */
+	E_RETURN_VAL_IF_FAIL(df.type() == DESK_FILE_TYPE_APPLICATION, false);
+
+	char buf[128];
+
+	/* name must be present too */
+	E_RETURN_VAL_IF_FAIL(df.name(buf, sizeof(buf)) == true, false);
+	name = new String(buf);
+
+	/* optional */
+	if(df.get("Desktop Entry", "Categories", buf, sizeof(buf)))
+		categories = new String(buf);
+
+	if(df.generic_name(buf, sizeof(buf)))
+		generic_name = new String(buf);
+
+	if(df.comment(buf, sizeof(buf)))
+		comment = new String(buf);
+
+	if(df.icon(buf, sizeof(buf)))
+		icon = new String(buf);
+
+	if(df.exec(buf, sizeof(buf)))
+		exec = new String(buf);
+
+	return true;
+}
+
+bool DesktopEntry::in_category(const char *cat) {
+	E_RETURN_VAL_IF_FAIL(cat != NULL, false);
+
+	if(!categories)
+		return false;
+
+	StrListIt it, it_end;
+
+	if(category_list.empty()) {
+		stringtok(category_list, *categories, ";");
+
+		/* remove starting/ending spaces if exists */
+		it = category_list.begin();
+		it_end = category_list.end();
+		for(; it != it_end; ++it)
+			(*it).trim();
+	}
+
+	it = category_list.begin();
+	it_end = category_list.end();
+	for(; it != it_end; ++it) {
+		if((*it) == cat)
+			return true;
+	}
+
+	return false;
+}
+
+/* TODO: bug in edelib */
+static bool id_age_sorter(DesktopEntry* const& u1, DesktopEntry* const& u2) {
+	return (strcmp(u1->get_id(), u2->get_id()) < 0) && (u1->get_age() < u2->get_age()); 
+}
+
+/* TODO: bug in edelib */
+static bool name_sorter(DesktopEntry* const& u1, DesktopEntry* const& u2) {
+	return (strcmp(u1->get_name(), u2->get_name()) < 0);
+}
+
+void desktop_entry_list_remove_duplicates(DesktopEntryList &lst) {
+	if(lst.empty())
+		return;
+
+	/* sort them respecting name and age */
+	lst.sort(id_age_sorter);
+
+	DesktopEntryListIt it = lst.begin(), it_end = lst.end();
+	DesktopEntryListIt next = it;
+
+	/* do consecutive unique */
+	while(++next != it_end) {
+		if(strcmp((*it)->get_id(), (*next)->get_id()) == 0) {
+			delete *next;
+			lst.erase(next);
+		} else {
+			it = next;
+		}
+
+		next = it;
+	}
+}
+
+void desktop_entry_list_load_all(DesktopEntryList &lst) {
+	if(lst.empty())
+		return;
+
+	DesktopEntryListIt it = lst.begin(), it_end = lst.end();
+	while(it != it_end) {
+		if(!(*it)->load()) {
+			delete *it;
+			it = lst.erase(it);
+		} else {
+			++it;
+		}
+	}
+}
+
+void desktop_entry_list_sort(DesktopEntryList &lst) {
+	lst.sort(name_sorter);
+}