Desktop
/* $Id: common.c,v 1.9 2008/10/15 11:18:27 khorben Exp $ */
/* Copyright (c) 2008 Pierre Pronchery <khorben@defora.org> */
/* This file is part of DeforaOS Desktop Browser */
/* 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/>. */
/* macros */
#define min(a, b) ((a) < (b)) ? (a) : (b)
/* types */
#ifdef COMMON_MENU
struct _menu
{
const char * name;
GtkSignalFunc callback;
const char * stock;
unsigned int accel;
};
struct _menubar
{
const char * name;
struct _menu * menu;
};
#endif
/* prototypes */
#ifdef COMMON_DND
static int _common_drag_data_received(GdkDragContext * context,
GtkSelectionData * seldata, char * dest);
#endif
#ifdef COMMON_EXEC
static int _common_exec(char * program, char * flags, GList * args);
#endif
#ifdef COMMON_MENU
static GtkWidget * _common_new_menubar(GtkWindow * window, struct _menubar * mb,
gpointer data);
#endif
/* functions */
#ifdef COMMON_DND
/* common_drag_data_received */
static int _common_drag_data_received(GdkDragContext * context,
GtkSelectionData * seldata, char * dest)
{
int ret = 0;
size_t len;
size_t i;
GList * selection = NULL;
#ifdef DEBUG
GList * s;
#endif
if(seldata->length <= 0 || seldata->data == NULL)
return 0;
len = seldata->length;
for(i = 0; i < len; i += strlen((char*)&seldata->data[i]) + 1)
selection = g_list_append(selection, &seldata->data[i]);
#ifdef DEBUG
fprintf(stderr, "%s%s%s%s%s", "DEBUG: ",
context->suggested_action == GDK_ACTION_COPY ? "copying"
: "moving", " to \"", dest, "\":\n");
for(s = selection; s != NULL; s = s->next)
fprintf(stderr, "DEBUG: \"%s\"\n", (char*)s->data);
#else
selection = g_list_append(selection, dest);
if(context->suggested_action == GDK_ACTION_COPY)
ret = _common_exec("copy", "-iR", selection);
else if(context->suggested_action == GDK_ACTION_MOVE)
ret = _common_exec("move", "-i", selection);
#endif
g_list_free(selection);
return ret;
}
#endif /* COMMON_DND */
#ifdef COMMON_EXEC
/* common_exec */
static int _common_exec(char * program, char * flags, GList * args)
{
unsigned long i = flags != NULL ? 3 : 2;
char ** argv = NULL;
pid_t pid;
GList * a;
char ** p;
if(args == NULL)
return 0;
if((pid = fork()) == -1)
return 1;
else if(pid != 0) /* the parent returns */
return 0;
for(a = args; a != NULL; a = a->next)
{
if(a->data == NULL)
continue;
if((p = realloc(argv, sizeof(*argv) * (i + 2))) == NULL)
{
fprintf(stderr, "%s%s%s%s%s", PACKAGE ": ", program,
": ", strerror(errno), "\n");
exit(2);
}
argv = p;
argv[i++] = a->data;
}
if(argv == NULL)
exit(0);
#ifdef DEBUG
argv[0] = "echo";
#else
argv[0] = program;
#endif
argv[i] = NULL;
i = 1;
if(flags != NULL)
argv[i++] = flags;
argv[i] = "--";
execvp(argv[0], argv);
fprintf(stderr, "%s%s%s%s\n", PACKAGE ": ", argv[0], ": ", strerror(
errno));
exit(2);
}
#endif /* COMMON_EXEC */
#ifdef COMMON_MENU
static GtkWidget * _common_new_menubar(GtkWindow * window, struct _menubar * mb,
gpointer data)
{
GtkWidget * tb_menubar;
GtkAccelGroup * group;
GtkWidget * menu;
GtkWidget * menubar;
GtkWidget * menuitem;
GtkWidget * image;
unsigned int i;
unsigned int j;
struct _menu * p;
tb_menubar = gtk_menu_bar_new();
group = gtk_accel_group_new();
for(i = 0; mb[i].name != NULL; i++)
{
menubar = gtk_menu_item_new_with_mnemonic(mb[i].name);
menu = gtk_menu_new();
for(j = 0; mb[i].menu[j].name != NULL; j++)
{
p = &mb[i].menu[j];
if(p->name[0] == '\0')
menuitem = gtk_separator_menu_item_new();
else if(p->stock == NULL)
menuitem = gtk_menu_item_new_with_mnemonic(
p->name);
else if(strncmp(p->stock, "gtk-", 4) == 0)
menuitem = gtk_image_menu_item_new_from_stock(
p->stock, NULL);
else
{
image = gtk_image_new_from_icon_name(p->stock,
GTK_ICON_SIZE_MENU);
menuitem
= gtk_image_menu_item_new_with_mnemonic(
p->name);
gtk_image_menu_item_set_image(
GTK_IMAGE_MENU_ITEM(menuitem),
image);
}
if(p->callback != NULL)
g_signal_connect(G_OBJECT(menuitem), "activate",
G_CALLBACK(p->callback), data);
else
gtk_widget_set_sensitive(menuitem, FALSE);
if(p->accel != 0)
gtk_widget_add_accelerator(menuitem, "activate",
group, p->accel,
GDK_CONTROL_MASK,
GTK_ACCEL_VISIBLE);
gtk_menu_shell_append(GTK_MENU_SHELL(menu), menuitem);
}
gtk_menu_item_set_submenu(GTK_MENU_ITEM(menubar), menu);
gtk_menu_bar_append(GTK_MENU_BAR(tb_menubar), menubar);
}
gtk_window_add_accel_group(GTK_WINDOW(window), group);
return tb_menubar;
}
#endif /* COMMON_MENU */