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/*
* FDOmenu - Menu code generator for icewm
* Copyright (C) 2015 Eduard Bloch
*
* Inspired by icewm-menu-gnome2 and Freedesktop.org specifications
* Using pure glib/gio code and a built-in menu structure instead
* the XML based external definition (as suggested by FD.o specs)
*
* Release under terms of the GNU Library General Public License
* (version 2.0)
*
* 2015/02/05: Eduard Bloch <edi@gmx.de>
* - initial version
*/
#include "config.h"
#include "base.h"
#include "sysdep.h"
#include "intl.h"
#include "appnames.h"
const char *g_argv0;
#include <glib.h>
#include <glib/gprintf.h>
#include <glib/gstdio.h>
#include <gio/gdesktopappinfo.h>
typedef GTree* tMenuContainer;
template<class T>
struct auto_gfree
{
T *m_p;
auto_gfree() : m_p(NULL) {};
auto_gfree(T *xp) : m_p(xp) {};
~auto_gfree() { g_free(m_p); }
};
struct auto_gunref
{
GObject *m_p;
auto_gunref(GObject *xp): m_p(xp) {};
~auto_gunref() { g_object_unref(m_p); }
};
bool find_in_zArray(const char * const *arrToScan, const char *keyword)
{
for(const gchar * const * p=arrToScan;*p;++p)
if(!strcmp(keyword, *p))
return true;
return false;
}
// for optional bits that are not consuming much and
// it's OK to leak them, OS will clean up soon enough
//#define FREEASAP
#ifdef FREEASAP
#define opt_g_free(x) g_free(x);
#else
#define opt_g_free(x)
#endif
tMenuContainer msettings=0, mscreensavers=0, maccessories=0, mdevelopment=0, meducation=0,
mgames=0, mgraphics=0, mmultimedia=0, mnetwork=0, moffice=0, msystem=0,
mother=0, mwine=0, meditors=0, maccessibility=0;
struct tListMeta
{
const char *title;
tMenuContainer* store;
};
tListMeta menuinfo[] =
{
{ N_("Accessibility"), &maccessibility },
{ N_("Settings"), &msettings },
{ N_("Screensavers"), &mscreensavers },
{ N_("Accessories"), &maccessories },
{ N_("Development"), &mdevelopment },
{ N_("Education"), &meducation },
{ N_("Games"), &mgames },
{ N_("Graphics"), &mgraphics },
{ N_("Multimedia"), &mmultimedia },
{ N_("Network"), &mnetwork },
{ N_("Office"), &moffice },
{ N_("System"), &msystem },
{ N_("WINE"), &mwine },
{ N_("Editors"), &meditors },
{ N_("Other"), &mother }
};
void proc_dir(const char *path, unsigned depth=0)
{
GDir *pdir = g_dir_open (path, 0, NULL);
if(!pdir)
return;
struct tdircloser {
GDir *m_p;
tdircloser(GDir *p) : m_p(p) {};
~tdircloser() { g_dir_close(m_p);}
} dircloser(pdir);
const gchar *szFilename(NULL);
while(NULL != (szFilename = g_dir_read_name (pdir)))
{
if(!szFilename)
continue;
gchar *szFullName = g_strjoin("/", path, szFilename, NULL);
auto_gfree<gchar> xxfree(szFullName);
static GStatBuf buf;
if(g_stat(szFullName, &buf))
return;
if(S_ISDIR(buf.st_mode))
{
static ino_t reclog[6];
for(unsigned i=0; i<depth; ++i)
{
if(reclog[i] == buf.st_ino)
goto dir_visited_before;
}
if(depth<ACOUNT(reclog))
{
reclog[++depth] = buf.st_ino;
proc_dir(szFullName, depth);
--depth;
}
dir_visited_before:;
}
if(!S_ISREG(buf.st_mode))
continue;
GDesktopAppInfo *pInfo = g_desktop_app_info_new_from_filename (szFullName);
if(!pInfo)
continue;
auto_gunref ___pinfo_releaser((GObject*)pInfo);
if(!g_app_info_should_show((GAppInfo*) pInfo))
continue;
const char *cmdraw = g_app_info_get_commandline ((GAppInfo*) pInfo);
if(!cmdraw || !*cmdraw)
continue;
// if the strings contains the exe and then only file/url tags that we wouldn't
// set anyway, THEN create a simplified version and use it later (if bSimpleCmd is true)
// OR use the original command through a wrapper (if bSimpleCmd is false)
bool bUseSimplifiedCmd = true;
gchar * cmdMod = g_strdup(cmdraw);
auto_gfree<gchar> cmdfree(cmdMod);
gchar *pcut = strpbrk(cmdMod, " \f\n\r\t\v");
if(pcut)
{
bool bExpectXchar=false;
for(gchar *p=pcut; *p && bUseSimplifiedCmd; ++p)
{
int c = (unsigned) *p;
if (bExpectXchar)
{
if (strchr("FfuU", c))
bExpectXchar = false;
else
bUseSimplifiedCmd = false;
continue;
}
else if (c == '%')
{
bExpectXchar = true;
continue;
}
else if (isspace(unsigned(c)))
continue;
else if(! strchr(p, '%'))
goto cmdMod_is_good_as_is;
else
bUseSimplifiedCmd = false;
}
if(bExpectXchar)
bUseSimplifiedCmd = false;
if(bUseSimplifiedCmd)
*pcut = '\0';
cmdMod_is_good_as_is:;
}
const char *pName=g_app_info_get_name( (GAppInfo*) pInfo);
if(!pName)
continue;
const char *pCats=g_desktop_app_info_get_categories(pInfo);
if(!pCats)
pCats="Other";
if(0 == strncmp(pCats, "X-", 2))
continue;
const char *sicon = "-";
GIcon *pIcon=g_app_info_get_icon( (GAppInfo*) pInfo);
auto_gfree<char> iconstringrelease;
if (pIcon)
{
char *s = g_icon_to_string(pIcon);
iconstringrelease.m_p=s;
sicon=s;
}
gchar *menuLine;
bool bForTerminal = false;
#if GLIB_VERSION_CUR_STABLE >= G_ENCODE_VERSION(2, 36)
bForTerminal = g_desktop_app_info_get_boolean(pInfo, "Terminal");
#else
// cannot check terminal property, callback is as safe bet
bUseSimplifiedCmd = false;
#endif
if(bUseSimplifiedCmd && !bForTerminal) // best case
menuLine = g_strjoin(" ", sicon, cmdMod, NULL);
#ifdef XTERMCMD
else if(bForTerminal && bUseSimplifiedCmd)
menuLine = g_strjoin(" ", sicon, QUOTE(XTERMCMD), "-e", cmdMod, NULL);
#endif
else // not simple command or needs a terminal started via launcher callback, or both
menuLine = g_strdup_printf("%s %s \"%s\"", sicon, g_argv0, szFullName);
// Pigeonholing roughly by guessed menu structure
#define add2menu(x) { g_tree_replace(x, g_strdup(pName), menuLine); }
gchar **ppCats = g_strsplit(pCats, ";", -1);
if (find_in_zArray(ppCats, "Screensaver"))
add2menu(mscreensavers)
else if (find_in_zArray(ppCats, "Settings"))
add2menu(msettings)
else if (find_in_zArray(ppCats, "Accessories"))
add2menu(maccessories)
else if (find_in_zArray(ppCats, "Development"))
add2menu(mdevelopment)
else if (find_in_zArray(ppCats, "Education"))
add2menu(meducation)
else if (find_in_zArray(ppCats, "Game"))
add2menu(mgames)
else if (find_in_zArray(ppCats, "Graphics"))
add2menu(mgraphics)
else if (find_in_zArray(ppCats, "AudioVideo") || find_in_zArray(ppCats, "Audio")
|| find_in_zArray(ppCats, "Video"))
{
add2menu(mmultimedia)
}
else if (find_in_zArray(ppCats, "Network"))
add2menu(mnetwork)
else if (find_in_zArray(ppCats, "Office"))
add2menu(moffice)
else if (find_in_zArray(ppCats, "System") || find_in_zArray(ppCats, "Emulator"))
add2menu(msystem)
else if (strstr(pCats, "Editor"))
add2menu(meditors)
else if (strstr(pCats, "Accessibility"))
add2menu(maccessibility)
else
{
#if GLIB_VERSION_CUR_STABLE >= G_ENCODE_VERSION(2, 34)
const char *pwmclass = g_desktop_app_info_get_startup_wm_class(pInfo);
if (pwmclass && strstr(pwmclass, "Wine"))
add2menu(mwine)
else
#endif
if (strstr(cmdraw, " wine "))
add2menu(mwine)
else
add2menu(mother)
}
g_strfreev(ppCats);
}
}
static gboolean printKey(const char *key, const char *value, void*)
{
printf("prog \"%s\" %s\n", key, value);
return FALSE;
}
void print_submenu(const char *title, tMenuContainer data)
{
if(!data || !g_tree_nnodes(data))
return;
printf("menu \"%s\" folder {\n", title);
g_tree_foreach(data, (GTraverseFunc) printKey, NULL);
puts("}");
}
void dump_menu()
{
for (tListMeta *p=menuinfo; p < menuinfo+ACOUNT(menuinfo)-1; ++p)
print_submenu(p->title, * p->store);
puts("separator");
print_submenu(menuinfo[ACOUNT(menuinfo)-1].title, * menuinfo[ACOUNT(menuinfo)-1].store);
}
bool launch(const char *dfile, const char **argv, int argc)
{
GDesktopAppInfo *pInfo = g_desktop_app_info_new_from_filename (dfile);
if(!pInfo)
return false;
#if 0 // g_file_get_uri crashes, no idea why, even enforcing file prefix doesn't help
if(argc>0)
{
GList* parms=NULL;
for(int i=0; i<argc; ++i)
parms=g_list_append(parms,
g_strdup_printf("%s%s", strstr(argv[i], "://") ? "" : "file://",
argv[i]));
return g_app_info_launch ((GAppInfo *)pInfo,
parms, NULL, NULL);
}
else
#else
(void) argv;
(void) argc;
#endif
return g_app_info_launch ((GAppInfo *)pInfo,
NULL, NULL, NULL);
}
static int
cmpstringp(const void *p1, const void *p2)
{
return g_utf8_collate(* (char * const *) p1, * (char * const *) p2);
}
static void init()
{
#ifdef CONFIG_I18N
setlocale (LC_ALL, "");
#endif
#ifdef ENABLE_NLS
bindtextdomain(PACKAGE, LOCDIR);
textdomain(PACKAGE);
#endif
for(tListMeta *p=menuinfo; p < menuinfo+ACOUNT(menuinfo); ++p)
{
#ifdef ENABLE_NLS
p->title = gettext(p->title);
#endif
*(p->store) = g_tree_new((GCompareFunc) g_utf8_collate);
}
qsort(menuinfo, ACOUNT(menuinfo)-1, sizeof(menuinfo[0]), cmpstringp);
}
int main(int argc, const char **argv)
{
g_argv0=argv[0];
init();
const char * usershare=getenv("XDG_DATA_HOME"),
*sysshare=getenv("XDG_DATA_DIRS");
if(!usershare || !*usershare)
usershare=g_strjoin(NULL, getenv("HOME"), "/.local/share", NULL);
if(!sysshare || !*sysshare)
sysshare="/usr/local/share:/usr/share";
if(argc>1)
{
if(strstr(argv[1], ".desktop") && launch(argv[1], argv+2, argc-2))
return EXIT_SUCCESS;
g_fprintf(stderr, "This program doesn't use command line options. It only listens to\n"
"environment variables defined by XDG Base Directory Specification.\n"
"XDG_DATA_HOME=%s\n"
"XDG_DATA_DIRS=%s\n"
,usershare, sysshare);
return EXIT_FAILURE;
}
gchar **ppDirs = g_strsplit (sysshare, ":", -1);
#ifdef FREEASAP
g_strfreev(ppDirs);
#endif
for (const gchar * const * p = ppDirs; *p; ++p)
{
gchar *pmdir = g_strjoin(0, *p, "/applications", NULL);
proc_dir(pmdir);
opt_g_free(pmdir);
}
// user's stuff might replace the system links
gchar *usershare_full = g_strjoin(NULL, usershare, "/applications", NULL);
proc_dir(usershare_full);
opt_g_free(usershare_full);
dump_menu();
return EXIT_SUCCESS;
}
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