Desktop
/* $Id: helper.c,v 1.3 2012/08/06 23:28:08 khorben Exp $ */
static char const _copyright[] =
"Copyright (c) 2009-2012 Pierre Pronchery <khorben@defora.org>";
/* This file is part of DeforaOS Desktop Panel */
static char const _license[] =
"This program is free software: you can redistribute it and/or modify\n"
"it under the terms of the GNU General Public License as published by\n"
"the Free Software Foundation, version 3 of the License.\n"
"\n"
"This program is distributed in the hope that it will be useful,\n"
"but WITHOUT ANY WARRANTY; without even the implied warranty of\n"
"MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the\n"
"GNU General Public License for more details.\n"
"\n"
"You should have received a copy of the GNU General Public License\n"
"along with this program. If not, see <http://www.gnu.org/licenses/>.";
/* TODO:
* - implement all remaining helpers */
#include <dirent.h>
#include <stdlib.h>
#include <stdio.h>
#include <string.h>
#include <gtk/gtk.h>
#include <System.h>
#include <Desktop.h>
/* types */
struct _Panel
{
Config * config;
GtkWidget * window;
gint timeout;
};
/* constants */
#ifndef PREFIX
# define PREFIX "/usr/local"
#endif
static char const * _authors[] =
{
"Pierre Pronchery <khorben@defora.org>",
NULL
};
/* private */
/* prototypes */
static int _applet_list(void);
static char * _config_get_filename(void);
static int _error(char const * message, int ret);
/* helper */
/* essential */
static void _helper_init(PanelAppletHelper * helper, Panel * panel,
GtkIconSize iconsize);
/* useful */
static char const * _helper_config_get(Panel * panel, char const * section,
char const * variable);
static int _helper_error(Panel * panel, char const * message, int ret);
static void _helper_about_dialog(Panel * panel);
static void _helper_position_menu(Panel * panel, GtkMenu * menu, gint * x,
gint * y, gboolean * push_in);
/* functions */
/* applet_list */
static int _applet_list(void)
{
char const path[] = PREFIX "/lib/Panel/applets";
DIR * dir;
struct dirent * de;
size_t len;
char const * sep = "";
#ifdef __APPLE__
char const ext[] = ".dylib";
#else
char const ext[] = ".so";
#endif
puts("Applets available:");
if((dir = opendir(path)) == NULL)
return _error(path, 1);
while((de = readdir(dir)) != NULL)
{
len = strlen(de->d_name);
if(len < sizeof(ext) || strcmp(&de->d_name[
len - sizeof(ext) + 1], ext) != 0)
continue;
de->d_name[len - 3] = '\0';
printf("%s%s", sep, de->d_name);
sep = ", ";
}
putchar('\n');
closedir(dir);
return 0;
}
/* config_get_filename */
static char * _config_get_filename(void)
{
char const * homedir;
size_t len;
char * filename;
if((homedir = getenv("HOME")) == NULL)
homedir = g_get_home_dir();
len = strlen(homedir) + 1 + sizeof(PANEL_CONFIG_FILE);
if((filename = malloc(len)) == NULL)
return NULL;
snprintf(filename, len, "%s/%s", homedir, PANEL_CONFIG_FILE);
return filename;
}
/* error */
static int _error(char const * message, int ret)
{
return _helper_error(NULL, message, ret);
}
/* helpers */
/* essential */
/* helper_init */
static void _helper_init(PanelAppletHelper * helper, Panel * panel,
GtkIconSize iconsize)
{
memset(helper, 0, sizeof(*helper));
helper->panel = panel;
helper->icon_size = iconsize;
helper->config_get = _helper_config_get;
helper->error = _helper_error;
helper->about_dialog = _helper_about_dialog;
helper->position_menu = _helper_position_menu;
}
/* useful */
/* helper_config_get */
static char const * _helper_config_get(Panel * panel, char const * section,
char const * variable)
{
#ifdef DEBUG
fprintf(stderr, "DEBUG: %s(\"%s\", \"%s\")\n", __func__, section,
variable);
#endif
return config_get(panel->config, section, variable);
}
/* helper_error */
static int _helper_error(Panel * panel, char const * message, int ret)
{
fputs(PACKAGE ": ", stderr);
perror(message);
return ret;
}
/* helper_about_dialog */
static void _helper_about_dialog(Panel * panel)
{
GtkWidget * dialog;
dialog = desktop_about_dialog_new();
desktop_about_dialog_set_authors(dialog, _authors);
desktop_about_dialog_set_copyright(dialog, _copyright);
desktop_about_dialog_set_logo_icon_name(dialog,
"panel-settings"); /* XXX */
desktop_about_dialog_set_license(dialog, _license);
desktop_about_dialog_set_program_name(dialog, "Panel test");
desktop_about_dialog_set_version(dialog, VERSION);
desktop_about_dialog_set_website(dialog,
"http://www.defora.org/");
gtk_window_set_position(GTK_WINDOW(dialog),
GTK_WIN_POS_CENTER_ALWAYS);
gtk_dialog_run(GTK_DIALOG(dialog));
gtk_widget_destroy(dialog);
}
/* helper_position_menu */
static void _helper_position_menu(Panel * panel, GtkMenu * menu, gint * x,
gint * y, gboolean * push_in)
{
GtkRequisition req;
gint sx = 0;
gint sy = 0;
gtk_widget_size_request(GTK_WIDGET(menu), &req);
#ifdef DEBUG
fprintf(stderr, "DEBUG: %s() width=%d, height=%d\n", __func__,
req.width, req.height);
#endif
if(req.height <= 0)
return;
gtk_window_get_position(GTK_WINDOW(panel->window), x, y);
gtk_window_get_size(GTK_WINDOW(panel->window), &sx, &sy);
*y += sy;
*push_in = TRUE;
}