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ba5ea0386d
zenity/src/util.c
Gama Anderson ba5ea0386d ADD gchar **extra_label TO struct ZenityData 
this is done to keep the name of the extra buttons

ADD general option "extra-button" with string array as argument

	This will upon consecutive calls save the name of buttons in an array of strings

To all MODES, except notification.c and about.c ADD
  if (data->extra_label) {
    gint i=0;
    while(data->extra_label[i]!=NULL){
      gtk_dialog_add_button (GTK_DIALOG (dialog), data->extra_label[i], i);
      i++;
    }
  }

	This add the extra buttons to the dialog. The response is the number of the button

To all MODES response, except notification.c and about.c ADD
    default:
      if (response < g_strv_length(zen_data->extra_label))
        printf("%s\n",zen_data->extra_label[response]);

	This will print the button name to stdout when they are pressed

ADD question option "switch"

	This will suppress the standard "ok" and "cancel" button in question. This just wort in combination with --extra-button, otherwise error is raised.

	https://bugzilla.gnome.org/show_bug.cgi?id=118016
2015-04-21 13:00:44 +02:00

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/*
* util.c
*
* Copyright (C) 2002 Sun Microsystems, Inc.
* (C) 1999, 2000 Red Hat Inc.
* (C) 1998 James Henstridge
* (C) 1995-2002 Free Software Foundation
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library 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
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public
* License along with this library; if not, write to the
* Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
* Boston, MA 02110-1301, USA.
*
* Authors: Glynn Foster <glynn.foster@sun.com>
* Havoc Pennington <hp@redhat.com>
* James Henstridge <james@daa.com.au>
* Tom Tromey <tromey@redhat.com>
*/
#include "config.h"
#include <stdio.h>
#include <locale.h>
#include <errno.h>
#include <string.h>
#include <stdlib.h>
#include <stdarg.h>
#include "config.h"
#include "util.h"
#include "zenity.h"
#define ZENITY_OK_DEFAULT 0
#define ZENITY_CANCEL_DEFAULT 1
#define ZENITY_ESC_DEFAULT 1
#define ZENITY_ERROR_DEFAULT -1
#define ZENITY_EXTRA_DEFAULT 127
GtkBuilder*
zenity_util_load_ui_file (const gchar *root_widget, ...)
{
va_list args;
gchar *arg = NULL;
GPtrArray *ptrarray;
GtkBuilder *builder = gtk_builder_new ();
GError *error = NULL;
gchar **objects;
guint result = 0;
gtk_builder_set_translation_domain (builder, GETTEXT_PACKAGE);
/* We have at least the root_widget and a NULL */
ptrarray = g_ptr_array_sized_new (2);
g_ptr_array_add (ptrarray, g_strdup (root_widget));
va_start (args, root_widget);
arg = va_arg (args, gchar*);
while (arg) {
g_ptr_array_add (ptrarray, g_strdup (arg));
arg = va_arg (args, gchar*);
}
va_end (args);
/* Enforce terminating NULL */
g_ptr_array_add (ptrarray, NULL);
objects = (gchar**) g_ptr_array_free (ptrarray, FALSE);
if (g_file_test (ZENITY_UI_FILE_RELATIVEPATH, G_FILE_TEST_EXISTS)) {
/* Try current dir, for debugging */
result = gtk_builder_add_objects_from_file (builder,
ZENITY_UI_FILE_RELATIVEPATH,
objects, NULL);
}
if (result == 0)
result = gtk_builder_add_objects_from_file (builder,
ZENITY_UI_FILE_FULLPATH,
objects, &error);
g_strfreev (objects);
if (result == 0) {
g_warning ("Could not load ui file %s: %s", ZENITY_UI_FILE_FULLPATH,
error->message);
g_error_free (error);
g_object_unref (builder);
return NULL;
}
return builder;
}
gchar*
zenity_util_strip_newline (gchar *string)
{
gsize len;
g_return_val_if_fail (string != NULL, NULL);
len = strlen (string);
while (len--)
{
if (string[len] == '\n')
string[len] = '\0';
else
break;
}
return string;
}
gboolean
zenity_util_fill_file_buffer (GtkTextBuffer *buffer, const gchar *filename)
{
GtkTextIter iter, end;
FILE *f;
gchar buf[2048];
gint remaining = 0;
if (filename == NULL)
return FALSE;
f = fopen (filename, "r");
if (f == NULL) {
g_warning ("Cannot open file '%s': %s", filename, g_strerror (errno));
return FALSE;
}
gtk_text_buffer_get_iter_at_offset (buffer, &iter, 0);
while (!feof (f)) {
gint count;
const char *leftover;
int to_read = 2047 - remaining;
count = fread (buf + remaining, 1, to_read, f);
buf[count + remaining] = '\0';
g_utf8_validate (buf, count + remaining, &leftover);
g_assert (g_utf8_validate (buf, leftover - buf, NULL));
gtk_text_buffer_insert (buffer, &iter, buf, leftover - buf);
remaining = (buf + remaining + count) - leftover;
g_memmove (buf, leftover, remaining);
if (remaining > 6 || count < to_read)
break;
}
if (remaining) {
g_warning ("Invalid UTF-8 data encountered reading file '%s'", filename);
return FALSE;
}
/* We had a newline in the buffer to begin with. (The buffer always contains
* a newline, so we delete to the end of the buffer to clean up.
*/
gtk_text_buffer_get_end_iter (buffer, &end);
gtk_text_buffer_delete (buffer, &iter, &end);
gtk_text_buffer_set_modified (buffer, FALSE);
return TRUE;
}
const gchar *
zenity_util_stock_from_filename (const gchar *filename)
{
if (!filename || !filename[0])
return GTK_STOCK_DIALOG_WARNING; /* default */
if (!g_ascii_strcasecmp (filename, "warning"))
return GTK_STOCK_DIALOG_WARNING;
if (!g_ascii_strcasecmp (filename, "info"))
return GTK_STOCK_DIALOG_INFO;
if (!g_ascii_strcasecmp (filename, "question"))
return GTK_STOCK_DIALOG_QUESTION;
if (!g_ascii_strcasecmp (filename, "error"))
return GTK_STOCK_DIALOG_ERROR;
return NULL;
}
GdkPixbuf *
zenity_util_pixbuf_new_from_file (GtkWidget *widget, const gchar *filename)
{
const gchar *stock;
stock = zenity_util_stock_from_filename (filename);
if (stock)
return gtk_widget_render_icon (widget, stock, GTK_ICON_SIZE_BUTTON, NULL);
return gdk_pixbuf_new_from_file (filename, NULL);
}
void
zenity_util_set_window_icon (GtkWidget *widget, const gchar *filename, const gchar *default_file)
{
GdkPixbuf *pixbuf;
if (filename != NULL)
pixbuf = zenity_util_pixbuf_new_from_file (widget, (gchar *) filename);
else
pixbuf = gdk_pixbuf_new_from_file (default_file, NULL);
if (pixbuf != NULL) {
gtk_window_set_icon (GTK_WINDOW (widget), pixbuf);
g_object_unref (pixbuf);
}
}
void
zenity_util_set_window_icon_from_stock (GtkWidget *widget, const gchar *filename, const gchar *default_stock_id)
{
GdkPixbuf *pixbuf;
if (filename != NULL) {
pixbuf = zenity_util_pixbuf_new_from_file (widget, (gchar *) filename);
}
else {
pixbuf = gtk_widget_render_icon (widget, default_stock_id, GTK_ICON_SIZE_BUTTON, NULL);
}
if (pixbuf != NULL) {
gtk_window_set_icon (GTK_WINDOW (widget), pixbuf);
g_object_unref (pixbuf);
}
}
void
zenity_util_show_help (GError **error)
{
gchar *tmp;
tmp = g_find_program_in_path ("yelp");
if (tmp) {
g_free (tmp);
g_spawn_command_line_async ("yelp help:zenity", error);
}
}
gint
zenity_util_return_exit_code ( ZenityExitCode value )
{
const gchar *env_var = NULL;
gint retval;
switch (value) {
case ZENITY_OK:
env_var = g_getenv("ZENITY_OK");
if (! env_var)
env_var = g_getenv("DIALOG_OK");
if (! env_var)
retval = ZENITY_OK_DEFAULT;
break;
case ZENITY_CANCEL:
env_var = g_getenv("ZENITY_CANCEL");
if (! env_var)
env_var = g_getenv("DIALOG_CANCEL");
if (! env_var)
retval = ZENITY_CANCEL_DEFAULT;
break;
case ZENITY_ESC:
env_var = g_getenv("ZENITY_ESC");
if (! env_var)
env_var = g_getenv("DIALOG_ESC");
if (! env_var)
retval = ZENITY_ESC_DEFAULT;
break;
case ZENITY_EXTRA:
env_var = g_getenv("ZENITY_EXTRA");
if (! env_var)
env_var = g_getenv("DIALOG_EXTRA");
if (! env_var)
retval = ZENITY_EXTRA_DEFAULT;
break;
case ZENITY_ERROR:
env_var = g_getenv("ZENITY_ERROR");
if (! env_var)
env_var = g_getenv("DIALOG_ERROR");
if (! env_var)
retval = ZENITY_ERROR_DEFAULT;
break;
case ZENITY_TIMEOUT:
env_var = g_getenv("ZENITY_TIMEOUT");
if (! env_var)
env_var = g_getenv("DIALOG_TIMEOUT");
if (! env_var)
retval = ZENITY_TIMEOUT;
break;
default:
retval = 1;
}
if (env_var)
retval = atoi (env_var);
return retval;
}
void
zenity_util_exit_code_with_data(ZenityExitCode value, ZenityData *zen_data)
{
zen_data->exit_code = zenity_util_return_exit_code (value);
}
#ifdef GDK_WINDOWING_X11
static Window
transient_get_xterm (void)
{
const char *wid_str = g_getenv ("WINDOWID");
if (wid_str) {
char *wid_str_end;
int ret;
Window wid = strtoul (wid_str, &wid_str_end, 10);
if (*wid_str != '\0' && *wid_str_end == '\0' && wid != 0) {
XWindowAttributes attrs;
gdk_error_trap_push ();
ret = XGetWindowAttributes (GDK_DISPLAY_XDISPLAY (gdk_display_get_default ()), wid, &attrs);
gdk_flush();
if (gdk_error_trap_pop () != 0 || ret == 0) {
return None;
}
return wid;
}
}
return None;
}
static void
transient_x_free (void *ptr)
{
if (ptr)
XFree (ptr);
}
static gboolean
transient_is_toplevel (Window wid)
{
XTextProperty prop;
Display *dpy = GDK_DISPLAY_XDISPLAY (gdk_display_get_default ());
if (!XGetWMName (dpy, wid, &prop))
return FALSE;
transient_x_free (prop.value);
return !!prop.value;
}
/*
* GNOME Terminal doesn't give us its toplevel window, but the WM needs a
* toplevel XID for proper stacking. Other terminals work fine without this
* magic. We can't use GDK here since "xterm" is a foreign window.
*/
static Window
transient_get_xterm_toplevel (void)
{
Window xterm = transient_get_xterm ();
Display *dpy = GDK_DISPLAY_XDISPLAY (gdk_display_get_default ());
while (xterm != None && !transient_is_toplevel (xterm))
{
Window root, parent, *children;
unsigned nchildren;
XQueryTree (dpy, xterm,
&root, &parent,
&children, &nchildren);
transient_x_free (children);
if (parent == root)
xterm = None;
else
xterm = parent;
}
return xterm;
}
static void
zenity_util_make_transient (GdkWindow *window, Window parent)
{
Window parent_window = parent;
if (parent_window == 0)
parent_window = transient_get_xterm_toplevel ();
if (parent_window != None) {
XSetTransientForHint (GDK_DISPLAY_XDISPLAY(gdk_display_get_default()), GDK_WINDOW_XID(window), parent_window);
}
}
#endif /* GDK_WINDOWING_X11 */
void
zenity_util_show_dialog (GtkWidget *dialog, Window parent)
{
gtk_widget_realize (dialog);
#ifdef GDK_WINDOWING_X11
if (GDK_IS_X11_DISPLAY (gdk_display_get_default ()))
{
g_assert (gtk_widget_get_window(dialog));
zenity_util_make_transient (gtk_widget_get_window(dialog), parent);
}
#endif
gtk_widget_show (dialog);
}
gboolean
zenity_util_timeout_handle (gpointer data)
{
GtkDialog *dialog = GTK_DIALOG(data);
if(dialog != NULL)
gtk_dialog_response(dialog, ZENITY_TIMEOUT);
else {
gtk_main_quit();
exit(ZENITY_TIMEOUT);
}
return FALSE;
}
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