Panel
/* $Id$ */
/* Copyright (c) 2013-2018 Pierre Pronchery <khorben@defora.org> */
/* This file is part of DeforaOS Desktop Panel */
/* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, version 3 of the License.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>. */
#include <dirent.h>
#include <stdlib.h>
#include <stdio.h>
#include <string.h>
#include <dlfcn.h>
#include "../src/window.h"
#include "Panel/applet.h"
#define PROGNAME "applets2"
/* private */
/* prototypes */
static gboolean _applets2(gpointer data);
static int _dlerror(char const * message, int ret);
static int _error(char const * message, char const * error, int ret);
static int _perror(char const * message, int ret);
/* functions */
/* applets2 */
/* callbacks */
static char const * _applets2_helper_config_get(Panel * panel,
char const * section, char const * variable);
static int _applets2_helper_error(Panel * panel, char const * message, int ret);
static gboolean _applets2(gpointer data)
{
int * ret = data;
char const * path = "../src/applets";
#ifdef __APPLE__
const char ext[] = ".dylib";
#else
const char ext[] = ".so";
#endif
DIR * dir;
struct dirent * de;
size_t len;
char * s;
void * p;
GdkRectangle root;
PanelAppletHelper helper;
PanelAppletDefinition * pad;
PanelApplet * pa;
GtkWidget * widget;
if((p = getenv("OBJDIR")) != NULL)
path = p;
if((dir = opendir(path)) == NULL)
{
*ret = _perror(path, 1);
gtk_main_quit();
return FALSE;
}
*ret = 0;
memset(&helper, 0, sizeof(helper));
root.x = 0;
root.y = 0;
root.height = 768;
root.width = 1024;
if((helper.window = panel_window_new(&helper, PANEL_WINDOW_TYPE_NORMAL,
PANEL_WINDOW_POSITION_TOP,
GTK_ICON_SIZE_SMALL_TOOLBAR, &root))
== NULL)
{
closedir(dir);
return FALSE;
}
helper.config_get = _applets2_helper_config_get;
helper.error = _applets2_helper_error;
while((de = readdir(dir)) != NULL)
{
if((len = strlen(de->d_name)) < sizeof(ext))
continue;
if(strcmp(&de->d_name[len - sizeof(ext) + 1], ext) != 0)
continue;
if((s = malloc(strlen(path) + 1 + len + 1)) == NULL)
{
*ret += _perror(de->d_name, 1);
continue;
}
snprintf(s, strlen(path) + 1 + len + 1, "%s/%s", path,
de->d_name);
if((p = dlopen(s, RTLD_LAZY)) == NULL)
{
*ret += _dlerror(s, 1);
free(s);
continue;
}
widget = NULL;
if((pad = dlsym(p, "applet")) == NULL)
*ret += _dlerror(s, 1);
else if(pad->init == NULL)
*ret += _error(s, "Missing initializer", 1);
else if(pad->destroy == NULL)
*ret += _error(s, "Missing destructor", 1);
else if((pa = pad->init(&helper, &widget)) == NULL)
_error(s, "Could not initialize", 0);
else if(widget == NULL)
{
_error(s, "No widget returned", 0);
pad->destroy(pa);
}
else
pad->destroy(pa);
free(s);
dlclose(p);
}
closedir(dir);
gtk_main_quit();
return FALSE;
}
static char const * _applets2_helper_config_get(Panel * panel,
char const * section, char const * variable)
{
(void) panel;
printf("%s: config_get(\"%s\", \"%s\")\n", PROGNAME, section, variable);
return NULL;
}
static int _applets2_helper_error(Panel * panel, char const * message, int ret)
{
(void) panel;
fprintf(stderr, "%s: %s\n", PROGNAME, message);
return ret;
}
/* dlerror */
static int _dlerror(char const * message, int ret)
{
fputs(PROGNAME ": ", stderr);
fprintf(stderr, "%s: %s\n", message, dlerror());
return ret;
}
/* error */
static int _error(char const * message, char const * error, int ret)
{
fputs(PROGNAME ": ", stderr);
fprintf(stderr, "%s: %s\n", message, error);
return ret;
}
/* perror */
static int _perror(char const * message, int ret)
{
fputs(PROGNAME ": ", stderr);
perror(message);
return ret;
}
/* public */
/* functions */
/* main */
int main(int argc, char * argv[])
{
int ret = 0;
if(getenv("DISPLAY") == NULL)
/* XXX ignore this test */
return 0;
gtk_init(&argc, &argv);
g_idle_add(_applets2, &ret);
gtk_main();
return (ret == 0) ? 0 : 2;
}