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medit/moo/mooutils/mooutils-misc.c

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/*
* mooutils-misc.c
*
* Copyright (C) 2004-2006 by Yevgen Muntyan <muntyan@math.tamu.edu>
*
* 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; either version 2 of the License, or
* (at your option) any later version.
*
* See COPYING file that comes with this distribution.
*/
#ifdef HAVE_CONFIG_H
# include "config.h"
#endif
#include "mooutils/mooutils-misc.h"
#include "mooutils/mooutils-fs.h"
#include "mooutils/moologwindow-glade.h"
#include "mooutils/mooglade.h"
#include "mooutils/mooi18n.h"
#include "mooutils/moocompat.h"
#include <gtk/gtk.h>
#ifdef HAVE_UNISTD_H
#include <unistd.h>
#endif
#include <string.h>
#include <stdio.h>
#include <sys/stat.h>
#include <sys/types.h>
#include <stdlib.h>
#include <errno.h>
#ifdef GDK_WINDOWING_X11
#include <gdk/gdkx.h>
#endif
#ifdef __WIN32__
#define WIN32_LEAN_AND_MEAN
#include <windows.h>
#include <shellapi.h>
#endif
#ifdef __WIN32__
static gboolean
open_uri (const char *uri,
G_GNUC_UNUSED gboolean email)
{
HINSTANCE h;
g_return_val_if_fail (uri != NULL, FALSE);
h = ShellExecute (NULL, "open", uri, NULL, NULL, SW_SHOWNORMAL);
if ((int)h <= 32)
{
char *msg = g_win32_error_message (GetLastError());
g_warning ("%s: %s", G_STRLOC, msg);
g_free (msg);
return FALSE;
}
return TRUE;
}
#else /* ! __WIN32__ */
#include <gdk/gdkx.h>
typedef enum {
KDE,
GNOME,
DEBIAN,
UNKNOWN
} Desktop;
static gboolean open_uri (const char *uri,
gboolean email /* = FALSE */)
{
gboolean result = FALSE;
char **argv = NULL;
Desktop desktop = UNKNOWN;
char *kfmclient = g_find_program_in_path ("kfmclient");
char *gnome_open = g_find_program_in_path ("gnome-open");
char *x_www_browser = g_find_program_in_path ("x-www-browser");
if (!email && x_www_browser &&
g_file_test ("/etc/debian_version", G_FILE_TEST_EXISTS))
desktop = DEBIAN;
if (desktop == UNKNOWN)
{
if (kfmclient && g_getenv ("KDE_FULL_SESSION"))
desktop = KDE;
else if (gnome_open && g_getenv ("GNOME_DESKTOP_SESSION_ID"))
desktop = GNOME;
}
#ifdef GDK_WINDOWING_X11
if (desktop == UNKNOWN)
{
const char *wm =
gdk_x11_screen_get_window_manager_name (gdk_screen_get_default ());
if (wm)
{
if (!g_ascii_strcasecmp (wm, "kwin") && kfmclient)
desktop = KDE;
else if (!g_ascii_strcasecmp (wm, "metacity") && gnome_open)
desktop = GNOME;
}
}
#endif /* GDK_WINDOWING_X11 */
if (desktop == UNKNOWN)
{
if (!email && x_www_browser)
desktop = DEBIAN;
else if (kfmclient)
desktop = KDE;
else if (gnome_open)
desktop = GNOME;
}
switch (desktop)
{
case KDE:
argv = g_new0 (char*, 4);
argv[0] = g_strdup (kfmclient);
argv[1] = g_strdup ("exec");
argv[2] = g_strdup (uri);
break;
case GNOME:
argv = g_new0 (char*, 3);
argv[0] = g_strdup (gnome_open);
argv[1] = g_strdup (uri);
break;
case DEBIAN:
argv = g_new0 (char*, 3);
argv[0] = g_strdup (x_www_browser);
argv[1] = g_strdup (uri);
break;
case UNKNOWN:
if (uri)
g_warning ("could not find a way to open uri '%s'", uri);
else
g_warning ("could not find a way to open uri");
break;
default:
g_assert_not_reached ();
}
if (argv)
{
GError *err = NULL;
result = g_spawn_async (NULL, argv, NULL, (GSpawnFlags)0, NULL, NULL,
NULL, &err);
if (err)
{
g_warning ("%s: error in g_spawn_async", G_STRLOC);
g_warning ("%s: %s", G_STRLOC, err->message);
g_error_free (err);
}
}
if (argv)
g_strfreev (argv);
g_free (gnome_open);
g_free (kfmclient);
g_free (x_www_browser);
return result;
}
#endif /* ! __WIN32__ */
gboolean
moo_open_email (const char *address,
const char *subject,
const char *body)
{
GString *uri;
gboolean res;
g_return_val_if_fail (address != NULL, FALSE);
uri = g_string_new ("mailto:");
g_string_append_printf (uri, "%s%s", address,
subject || body ? "?" : "");
if (subject)
g_string_append_printf (uri, "subject=%s%s", subject,
body ? "&" : "");
if (body)
g_string_append_printf (uri, "body=%s", body);
res = open_uri (uri->str, TRUE);
g_string_free (uri, TRUE);
return res;
}
gboolean
moo_open_url (const char *url)
{
g_return_val_if_fail (url != NULL, FALSE);
return open_uri (url, FALSE);
}
/********************************************************************/
/* Windowing stuff
*/
#ifdef GDK_WINDOWING_X11
#include <X11/Xatom.h>
#include <gdk/gdkx.h>
/* TODO TODO is it 64-bits safe? */
/* TODO TODO rewrite all of this */
/* TODO TODO is X needed here at all? */
static void
add_xid (GtkWindow *window,
GArray *array)
{
XID xid;
if (GTK_IS_WINDOW(window) && GTK_WIDGET(window)->window)
{
xid = GDK_WINDOW_XID (GTK_WIDGET(window)->window);
g_array_append_val (array, xid);
}
}
static gboolean
contains (GArray *xids, XID w)
{
guint i;
XID *wins = (XID*) xids->data;
for (i = 0; i < xids->len; ++i)
if (wins[i] == w)
return TRUE;
return FALSE;
}
static gboolean
is_minimized (Display *display, XID w)
{
Atom actual_type_return;
int actual_format_return;
gulong nitems_return;
gulong bytes_after_return;
Atom *data;
int ret;
gulong i;
static Atom wm_state = None;
static Atom wm_state_hidden = None;
if (wm_state == None)
{
wm_state = XInternAtom (display, "_NET_WM_STATE", FALSE);
wm_state_hidden = XInternAtom (display, "_NET_WM_STATE_HIDDEN", FALSE);
}
gdk_error_trap_push ();
ret = XGetWindowProperty (display, w,
wm_state, 0,
G_MAXLONG, FALSE, XA_ATOM,
&actual_type_return,
&actual_format_return,
&nitems_return,
&bytes_after_return,
(guchar**) &data);
if (gdk_error_trap_pop () || ret != Success)
{
g_warning ("%s: oops", G_STRLOC);
return FALSE;
}
if (!nitems_return)
{
XFree (data);
return FALSE;
}
if (actual_type_return != XA_ATOM)
{
g_critical ("%s: actual_type_return != XA_WINDOW", G_STRLOC);
XFree (data);
return FALSE;
}
for (i = 0; i < nitems_return; ++i)
{
if (data[i] == wm_state_hidden)
{
XFree (data);
return TRUE;
}
}
XFree (data);
return FALSE;
}
static GtkWindow*
find_by_xid (GSList *windows, XID w)
{
GSList *l;
for (l = windows; l != NULL; l = l->next)
if (GDK_WINDOW_XID (GTK_WIDGET(l->data)->window) == w)
return l->data;
return NULL;
}
GtkWindow*
_moo_get_top_window (GSList *windows)
{
GArray *xids;
Display *display;
Atom actual_type_return;
int actual_format_return;
gulong nitems_return;
gulong bytes_after_return;
XID *data;
int ret;
long i;
GSList *l;
static Atom list_stacking_atom = None;
g_return_val_if_fail (windows != NULL, NULL);
for (l = windows; l != NULL; l = l->next)
{
if (!GTK_IS_WINDOW (l->data))
{
g_critical ("%s: invalid parameter passed", G_STRLOC);
return NULL;
}
}
xids = g_array_new (FALSE, FALSE, sizeof (XID));
g_slist_foreach (windows, (GFunc) add_xid, xids);
if (!xids->len)
{
g_critical ("%s: zero length array of x ids", G_STRLOC);
g_array_free (xids, TRUE);
return NULL;
}
display = GDK_WINDOW_XDISPLAY (GTK_WIDGET(windows->data)->window);
if (!display)
{
g_critical ("%s: !display", G_STRLOC);
g_array_free (xids, TRUE);
return NULL;
}
if (list_stacking_atom == None)
list_stacking_atom = XInternAtom (display, "_NET_CLIENT_LIST_STACKING", FALSE);
gdk_error_trap_push ();
ret = XGetWindowProperty (display, GDK_ROOT_WINDOW(),
list_stacking_atom, 0,
G_MAXLONG, FALSE, XA_WINDOW,
&actual_type_return,
&actual_format_return,
&nitems_return,
&bytes_after_return,
(guchar**) &data);
if (gdk_error_trap_pop () || ret != Success)
{
g_critical ("%s: error in XGetWindowProperty", G_STRLOC);
g_array_free (xids, TRUE);
return NULL;
}
if (!nitems_return)
{
g_critical ("%s: !nitems_return", G_STRLOC);
XFree (data);
g_array_free (xids, TRUE);
return NULL;
}
if (actual_type_return != XA_WINDOW)
{
g_critical ("%s: actual_type_return != XA_WINDOW", G_STRLOC);
XFree (data);
g_array_free (xids, TRUE);
return NULL;
}
for (i = nitems_return - 1; i >= 0; --i)
{
if (contains (xids, data[i]) && !is_minimized (display, data[i]))
{
XID id = data[i];
XFree (data);
g_array_free (xids, TRUE);
return find_by_xid (windows, id);
}
}
XFree (data);
g_array_free (xids, TRUE);
g_warning ("%s: all minimized?", G_STRLOC);
return GTK_WINDOW (windows->data);
}
gboolean
_moo_window_is_hidden (GtkWindow *window)
{
g_return_val_if_fail (GTK_IS_WINDOW (window), FALSE);
return is_minimized (GDK_WINDOW_XDISPLAY (GTK_WIDGET(window)->window),
GDK_WINDOW_XID (GTK_WIDGET(window)->window));
}
#elif defined(__WIN32__)
#define WIN32_LEAN_AND_MEAN
#include <windows.h>
#include <gdk/gdkwin32.h>
#define get_handle(w) \
gdk_win32_drawable_get_handle (GTK_WIDGET(w)->window)
gboolean
_moo_window_is_hidden (GtkWindow *window)
{
HANDLE h;
WINDOWPLACEMENT info;
g_return_val_if_fail (GTK_IS_WINDOW (window), FALSE);
h = get_handle (window);
g_return_val_if_fail (h != NULL, FALSE);
memset (&info, 0, sizeof (info));
info.length = sizeof (WINDOWPLACEMENT);
if (!GetWindowPlacement (h, &info))
{
DWORD err = GetLastError ();
char *msg = g_win32_error_message (err);
g_return_val_if_fail (msg != NULL, FALSE);
g_warning ("%s: %s", G_STRLOC, msg);
g_free (msg);
return FALSE;
}
return info.showCmd == SW_MINIMIZE ||
info.showCmd == SW_HIDE ||
info.showCmd == SW_SHOWMINIMIZED;
}
GtkWindow*
_moo_get_top_window (GSList *windows)
{
GSList *l;
HWND top = NULL;
HWND current = NULL;
g_return_val_if_fail (windows != NULL, NULL);
for (l = windows; l != NULL; l = l->next)
{
g_return_val_if_fail (GTK_IS_WINDOW (l->data), NULL);
if (!_moo_window_is_hidden (GTK_WINDOW (l->data)))
break;
}
if (!l)
return GTK_WINDOW (windows->data);
top = get_handle (windows->data);
current = top;
while (TRUE)
{
current = GetNextWindow (current, GW_HWNDPREV);
if (!current)
break;
for (l = windows; l != NULL; l = l->next)
if (current == get_handle (l->data))
break;
if (l != NULL)
top = get_handle (l->data);
}
for (l = windows; l != NULL; l = l->next)
if (top == get_handle (l->data))
break;
g_return_val_if_fail (l != NULL, GTK_WINDOW (windows->data));
return GTK_WINDOW (l->data);
}
#else /* neither X nor WIN32 ?? */
GtkWindow*
_moo_get_top_window (GSList *windows)
{
g_return_val_if_fail (windows != NULL, NULL);
g_critical ("%s: don't know how to do it", G_STRLOC);
return GTK_WINDOW (windows->data);
}
#endif
void
_moo_window_present (GtkWindow *window,
G_GNUC_UNUSED guint32 stamp)
{
g_return_if_fail (GTK_IS_WINDOW (window));
#if !GTK_CHECK_VERSION(2,8,0) || !defined(GDK_WINDOWING_X11)
gtk_window_present (window);
#else
if (!GTK_WIDGET_REALIZED (window))
gtk_widget_realize (GTK_WIDGET (window));
gdk_x11_window_move_to_current_desktop (GTK_WIDGET(window)->window);
if (!stamp)
stamp = gdk_x11_get_server_time (GTK_WIDGET (window)->window);
gtk_window_present_with_time (window, stamp);
#endif
}
/* XXX check what gtk_window_set_icon_name() does */
gboolean
_moo_window_set_icon_from_stock (GtkWindow *window,
const char *stock_id)
{
GdkPixbuf *icon;
g_return_val_if_fail (GTK_IS_WINDOW (window), FALSE);
g_return_val_if_fail (stock_id != NULL, FALSE);
icon = gtk_widget_render_icon (GTK_WIDGET (window), stock_id,
GTK_ICON_SIZE_BUTTON, 0);
if (icon)
{
gtk_window_set_icon (GTK_WINDOW (window), icon);
gdk_pixbuf_unref (icon);
return TRUE;
}
else
{
return FALSE;
}
}
GtkWindow*
_moo_get_toplevel_window (void)
{
GList *list, *l;
GSList *windows = NULL;
GtkWindow *top;
list = gtk_window_list_toplevels ();
for (l = list; l != NULL; l = l->next)
if (GTK_IS_WINDOW (l->data) && GTK_WIDGET(l->data)->window)
windows = g_slist_prepend (windows, l->data);
top = _moo_get_top_window (windows);
g_list_free (list);
g_slist_free (windows);
return top;
}
/***************************************************************************/
/* Log window
*/
typedef struct {
GtkWidget *window;
GtkTextTag *message_tag;
GtkTextTag *warning_tag;
GtkTextTag *critical_tag;
GtkTextBuffer *buf;
GtkTextView *textview;
GtkTextMark *insert;
} MooLogWindow;
static MooLogWindow *moo_log_window (void);
static GtkWidget *moo_log_window_get_widget (void);
static MooLogWindow*
moo_log_window_new (void)
{
MooGladeXML *xml;
MooLogWindow *log;
PangoFontDescription *font;
xml = moo_glade_xml_new_from_buf (MOO_LOG_WINDOW_GLADE_UI, -1,
NULL, GETTEXT_PACKAGE, NULL);
log = g_new (MooLogWindow, 1);
log->window = moo_glade_xml_get_widget (xml, "window");
log->textview = moo_glade_xml_get_widget (xml, "textview");
g_signal_connect (log->window, "delete-event",
G_CALLBACK (gtk_widget_hide_on_delete), NULL);
log->buf = gtk_text_view_get_buffer (log->textview);
log->insert = gtk_text_buffer_get_insert (log->buf);
log->message_tag =
gtk_text_buffer_create_tag (log->buf, "message", "foreground", "blue", NULL);
log->warning_tag =
gtk_text_buffer_create_tag (log->buf, "warning", "foreground", "red", NULL);
log->critical_tag =
gtk_text_buffer_create_tag (log->buf, "critical", "foreground", "red",
"weight", PANGO_WEIGHT_BOLD, NULL);
font = pango_font_description_from_string ("Monospace");
if (font)
{
gtk_widget_modify_font (GTK_WIDGET (log->textview), font);
pango_font_description_free (font);
}
return log;
}
static MooLogWindow*
moo_log_window (void)
{
static MooLogWindow *log = NULL;
if (!log)
{
log = moo_log_window_new ();
g_object_add_weak_pointer (G_OBJECT (log->window), (gpointer*) &log);
}
return log;
}
static GtkWidget*
moo_log_window_get_widget (void)
{
MooLogWindow *log = moo_log_window ();
return log->window;
}
void
moo_log_window_show (void)
{
gtk_window_present (GTK_WINDOW (moo_log_window_get_widget ()));
}
void
moo_log_window_hide (void)
{
gtk_widget_hide (moo_log_window_get_widget ());
}
static void
moo_log_window_insert (MooLogWindow *log,
const char *text,
GtkTextTag *tag)
{
GtkTextIter iter;
gtk_text_buffer_get_end_iter (log->buf, &iter);
gtk_text_buffer_insert_with_tags (log->buf, &iter, text, -1, tag, NULL);
gtk_text_view_scroll_mark_onscreen (log->textview, log->insert);
}
/******************************************************************************/
/* Custom g_log and g_print handlers
*/
static GLogFunc moo_log_func;
static GPrintFunc moo_print_func;
static GPrintFunc moo_printerr_func;
static char *moo_log_file;
static gboolean moo_log_file_written;
static gboolean moo_log_handlers_set;
static void
set_print_funcs (GLogFunc log_func,
GPrintFunc print_func,
GPrintFunc printerr_func)
{
moo_log_func = log_func;
moo_print_func = print_func;
moo_printerr_func = printerr_func;
moo_log_handlers_set = TRUE;
g_set_print_handler (print_func);
g_set_printerr_handler (printerr_func);
#define set(domain) \
g_log_set_handler (domain, G_LOG_LEVEL_MASK | G_LOG_FLAG_FATAL | G_LOG_FLAG_RECURSION, log_func, NULL)
set ("Glib");
set ("Glib-GObject");
set ("GModule");
set ("GThread");
set ("Gtk");
set ("Gdk");
set ("GdkPixbuf");
set ("Pango");
set ("Moo");
set (NULL);
#undef set
#if GLIB_CHECK_VERSION(2,6,0)
g_log_set_default_handler (log_func, NULL);
#endif /* GLIB_CHECK_VERSION(2,6,0) */
}
/* it doesn't care about encoding, but well, noone cares */
static void
default_print (const char *string)
{
fputs (string, stdout);
fflush (stdout);
}
static void
default_printerr (const char *string)
{
fputs (string, stderr);
fflush (stderr);
}
void
moo_reset_log_func (void)
{
if (moo_log_handlers_set)
set_print_funcs (moo_log_func, moo_print_func, moo_printerr_func);
else
set_print_funcs (g_log_default_handler, default_print, default_printerr);
}
void
moo_print (const char *string)
{
g_print ("%s", string);
}
void
moo_print_err (const char *string)
{
g_printerr ("%s", string);
}
/*
* Win32 message box for fatal errors
*/
#ifdef __WIN32__
#ifndef PACKAGE
#define PACKAGE ""
#endif
#ifndef PACKAGE_BUGREPORT
#define PACKAGE_BUGREPORT "emuntyan@sourceforge.net"
#endif
#define PLEASE_REPORT \
"Please report it to " PACKAGE_BUGREPORT " and provide "\
"steps needed to reproduce this error."
static void
show_fatal_error_win32 (const char *domain,
const char *logmsg)
{
char *msg = NULL;
if (domain)
msg = g_strdup_printf ("Fatal " PACKAGE " error:\n---\n%s: %s\n---\n"
PLEASE_REPORT, domain, logmsg);
else
msg = g_strdup_printf ("Fatal " PACKAGE " error:\n---\n%s\n---\n"
PLEASE_REPORT, logmsg);
MessageBox (NULL, msg, "Error",
MB_ICONERROR | MB_APPLMODAL | MB_SETFOREGROUND);
g_free (msg);
}
#endif /* __WIN32__ */
/*
* Display log messages in a window
*/
static void
log_func_window (const gchar *log_domain,
GLogLevelFlags flags,
const gchar *message,
G_GNUC_UNUSED gpointer dummy)
{
char *text;
GtkTextTag *tag;
MooLogWindow *log;
#ifdef __WIN32__
if (flags & (G_LOG_LEVEL_ERROR | G_LOG_FLAG_FATAL | G_LOG_FLAG_RECURSION))
{
show_fatal_error_win32 (log_domain, message);
return;
}
#endif /* __WIN32__ */
if (log_domain)
text = g_strdup_printf ("%s: %s\n", log_domain, message);
else
text = g_strdup_printf ("%s\n", message);
log = moo_log_window ();
if (flags >= G_LOG_LEVEL_MESSAGE)
tag = log->message_tag;
else if (flags >= G_LOG_LEVEL_WARNING)
tag = log->warning_tag;
else
tag = log->critical_tag;
moo_log_window_insert (log, text, tag);
g_free (text);
}
static void
print_func_window (const char *string)
{
MooLogWindow *log = moo_log_window ();
moo_log_window_insert (log, string, NULL);
}
static void
printerr_func_window (const char *string)
{
MooLogWindow *log = moo_log_window ();
moo_log_window_insert (log, string, log->warning_tag);
}
void
moo_set_log_func_window (gboolean show_now)
{
if (show_now)
gtk_widget_show (GTK_WIDGET (moo_log_window()->window));
set_print_funcs (log_func_window, print_func_window, printerr_func_window);
}
/*
* Write to a file
*/
static void
print_func_file (const char *string)
{
FILE *file;
g_return_if_fail (moo_log_file != NULL);
if (!moo_log_file_written)
{
file = fopen (moo_log_file, "w+");
moo_log_file_written = TRUE;
}
else
{
file = fopen (moo_log_file, "a+");
}
if (file)
{
fprintf (file, "%s", string);
fclose (file);
}
else
{
/* TODO ??? */
}
}
static void
log_func_file (const char *log_domain,
G_GNUC_UNUSED GLogLevelFlags flags,
const char *message,
G_GNUC_UNUSED gpointer dummy)
{
char *string;
#ifdef __WIN32__
if (flags & (G_LOG_LEVEL_ERROR | G_LOG_FLAG_FATAL | G_LOG_FLAG_RECURSION))
{
show_fatal_error_win32 (log_domain, message);
return;
}
#endif /* __WIN32__ */
#ifdef __WIN32__
#define LT "\r\n"
#else
#define LT "\n"
#endif
if (log_domain)
string = g_strdup_printf ("%s: %s" LT, log_domain, message);
else
string = g_strdup_printf ("%s" LT, message);
#undef LT
print_func_file (string);
g_free (string);
}
void
moo_set_log_func_file (const char *log_file)
{
g_free (moo_log_file);
moo_log_file = g_strdup (log_file);
set_print_funcs (log_func_file, print_func_file, print_func_file);
}
/*
* Do nothing
*/
static void
log_func_silent (G_GNUC_UNUSED const gchar *log_domain,
G_GNUC_UNUSED GLogLevelFlags flags,
G_GNUC_UNUSED const gchar *message,
G_GNUC_UNUSED gpointer data_unused)
{
#ifdef __WIN32__
if (flags & (G_LOG_LEVEL_ERROR | G_LOG_FLAG_FATAL | G_LOG_FLAG_RECURSION))
{
show_fatal_error_win32 (log_domain, message);
return;
}
#endif /* __WIN32__ */
}
static void
print_func_silent (G_GNUC_UNUSED const char *s)
{
}
void
moo_set_log_func_silent (void)
{
set_print_funcs ((GLogFunc) log_func_silent,
(GPrintFunc) print_func_silent,
(GPrintFunc) print_func_silent);
}
/***************************************************************************/
/* Very useful function
*/
void
moo_segfault (void)
{
char *var = (char*) -1;
var[18] = 8;
}
/***************************************************************************/
/* GtkSelection helpers
*/
void
_moo_selection_data_set_pointer (GtkSelectionData *data,
GdkAtom type,
gpointer ptr)
{
g_return_if_fail (data != NULL);
gtk_selection_data_set (data, type, 8, /* 8 bits per byte */
(gpointer) &ptr, sizeof (ptr));
}
gpointer
_moo_selection_data_get_pointer (GtkSelectionData *data,
GdkAtom type)
{
GdkWindow *owner;
gpointer result = NULL;
g_return_val_if_fail (data != NULL, NULL);
g_return_val_if_fail (data->target == type, NULL);
g_return_val_if_fail (data->length == sizeof (result), NULL);
/* If we can get the owner, the selection is in-process */
owner = gdk_selection_owner_get_for_display (data->display, data->selection);
if (!owner || gdk_window_get_window_type (owner) == GDK_WINDOW_FOREIGN)
return NULL;
memcpy (&result, data->data, sizeof (result));
return result;
}
/***************************************************************************/
/* Get currently pressed modifier keys
*/
GdkModifierType
_moo_get_modifiers (GtkWidget *widget)
{
GdkModifierType mask;
GdkDisplay *display;
g_return_val_if_fail (GTK_IS_WIDGET (widget), 0);
g_return_val_if_fail (GTK_WIDGET_REALIZED (widget), 0);
display = gtk_widget_get_display (widget);
g_return_val_if_fail (display != NULL, 0);
gdk_display_get_pointer (display, NULL, NULL, NULL, &mask);
return mask;
}
/***************************************************************************/
/* GtkAccelLabel helpers
*/
void
_moo_menu_item_set_accel_label (GtkWidget *menu_item,
const char *label)
{
GtkWidget *accel_label;
g_return_if_fail (GTK_IS_MENU_ITEM (menu_item));
if (!label)
label = "";
accel_label = gtk_bin_get_child (GTK_BIN (menu_item));
g_return_if_fail (GTK_IS_ACCEL_LABEL (accel_label));
g_free (GTK_ACCEL_LABEL(accel_label)->accel_string);
GTK_ACCEL_LABEL(accel_label)->accel_string = g_strdup (label);
gtk_widget_queue_resize (accel_label);
}
void
_moo_menu_item_set_label (GtkWidget *item,
const char *text,
gboolean mnemonic)
{
GtkWidget *label;
g_return_if_fail (GTK_IS_MENU_ITEM (item));
g_return_if_fail (text != NULL);
label = gtk_bin_get_child (GTK_BIN (item));
g_return_if_fail (GTK_IS_LABEL (label));
if (mnemonic)
gtk_label_set_text_with_mnemonic (GTK_LABEL (label), text);
else
gtk_label_set_text (GTK_LABEL (label), text);
}
/***************************************************************************/
/* data dirs
*/
const char *
_moo_get_pid_string (void)
{
static char *string;
if (!string)
{
#ifdef __WIN32__
#ifdef __GNUC__
#warning "Implement _moo_get_pid_string()"
#endif
string = g_strdup ("");
#else
string = g_strdup_printf ("%d", getpid ());
#endif
}
return string;
}
#ifdef __WIN32__
char *
moo_get_app_dir (void)
{
static char *appdir;
if (!appdir)
appdir = moo_get_dll_dir (NULL);
return g_strdup (appdir);
}
char *
moo_get_dll_dir (const char *dll)
{
char *dir;
char *dllname = NULL;
HMODULE handle;
handle = GetModuleHandle (dll);
g_return_val_if_fail (handle != NULL, g_strdup ("."));
if (G_WIN32_HAVE_WIDECHAR_API ())
{
wchar_t buf[MAX_PATH+1];
if (GetModuleFileNameW (handle, buf, G_N_ELEMENTS (buf)) > 0)
dllname = g_utf16_to_utf8 (buf, -1, NULL, NULL, NULL);
}
else
{
gchar buf[MAX_PATH+1];
if (GetModuleFileNameA (handle, buf, G_N_ELEMENTS (buf)) > 0)
dllname = g_locale_to_utf8 (buf, -1, NULL, NULL, NULL);
}
if (dllname)
{
dir = g_path_get_dirname (dllname);
g_free (dllname);
}
else
{
dir = g_strdup (".");
}
return dir;
}
#else
char *
moo_get_app_dir (void)
{
g_return_val_if_reached (g_strdup ("."));
}
char *
moo_get_dll_dir (G_GNUC_UNUSED const char *dll)
{
g_return_val_if_reached (g_strdup ("."));
}
#endif
static char *
moo_get_data_dir (G_GNUC_UNUSED MooDataDirType type)
{
#ifdef __WIN32__
return moo_get_app_dir ();
#elif !defined(MOO_ENABLE_RELOCATION)
switch (type)
{
case MOO_DATA_SHARE:
return g_strdup (MOO_DATA_DIR);
case MOO_DATA_LIB:
return g_strdup (MOO_LIB_DIR);
}
g_return_val_if_reached (NULL);
#else
return NULL;
#endif
}
static const char *
moo_get_prgname (void)
{
const char *name;
name = g_get_prgname ();
if (!name)
{
g_critical ("%s: program name not set", G_STRLOC);
name = "ggap";
}
return name;
}
char *
moo_get_user_data_dir (void)
{
#ifdef __WIN32__
return g_build_filename (g_get_home_dir (), moo_get_prgname (), NULL);
#else
return g_strdup_printf ("%s/.%s", g_get_home_dir (), moo_get_prgname ());
#endif
}
gboolean
moo_make_user_data_dir (const char *path)
{
int result = 0;
char *full_path;
char *user_dir;
user_dir = moo_get_user_data_dir ();
g_return_val_if_fail (user_dir != NULL, FALSE);
full_path = g_build_filename (user_dir, path, NULL);
result = g_mkdir_with_parents (full_path, S_IRWXU);
if (result != 0)
{
int err = errno;
g_critical ("could not create directory '%s': %s",
full_path, g_strerror (err));
}
g_free (user_dir);
g_free (full_path);
return result == 0;
}
static gboolean
cmp_dirs (const char *dir1,
const char *dir2)
{
g_return_val_if_fail (dir1 != NULL, FALSE);
g_return_val_if_fail (dir2 != NULL, FALSE);
/* XXX */
return !strcmp (dir1, dir2);
}
char **
moo_get_data_dirs (MooDataDirType type,
guint *n_dirs)
{
const char *env[2];
GPtrArray *dirs;
GSList *list = NULL;
guint i;
char *d;
dirs = g_ptr_array_sized_new (3);
env[0] = g_getenv ("MOO_APP_DIRS");
env[1] = type == MOO_DATA_SHARE ? g_getenv ("MOO_DATA_DIRS") : g_getenv ("MOO_LIB_DIRS");
for (i = 0; i < 2; ++i)
{
const char *var = env[i];
char **env_dirs, **p;
if (!var || !*var)
continue;
#ifdef __WIN32__
env_dirs = g_strsplit (var, ";", 0);
p = moo_filenames_from_locale (env_dirs);
g_strfreev (env_dirs);
env_dirs = p;
#else
env_dirs = g_strsplit (var, ":", 0);
#endif
for (p = env_dirs; p && *p; ++p)
{
if (**p)
list = g_slist_prepend (list, *p);
else
g_free (*p);
}
g_free (env_dirs);
}
if ((d = moo_get_data_dir (type)))
list = g_slist_prepend (list, d);
#ifdef __WIN32__
d = NULL;
switch (type)
{
case MOO_DATA_SHARE:
d = g_win32_get_package_installation_subdirectory (NULL, NULL, "share/" MOO_PACKAGE_NAME);
break;
case MOO_DATA_LIB:
d = g_win32_get_package_installation_subdirectory (NULL, NULL, "lib/" MOO_PACKAGE_NAME);
break;
}
if (d)
list = g_slist_prepend (list, d);
#endif
list = g_slist_prepend (list, moo_get_user_data_dir ());
list = g_slist_reverse (list);
while (list)
{
gboolean found = FALSE;
if (!list->data)
{
list = g_slist_delete_link (list, list);
continue;
}
for (i = 0; i < dirs->len; ++i)
{
if (cmp_dirs (list->data, dirs->pdata[i]))
{
found = TRUE;
break;
}
}
if (!found)
g_ptr_array_add (dirs, list->data);
else
g_free (list->data);
list = g_slist_delete_link (list, list);
}
if (n_dirs)
*n_dirs = dirs->len;
g_ptr_array_add (dirs, NULL);
return (char**) g_ptr_array_free (dirs, FALSE);
}
char **
moo_get_data_subdirs (const char *subdir,
MooDataDirType type,
guint *n_dirs_p)
{
char **data_dirs, **dirs;
guint n_dirs, i;
g_return_val_if_fail (subdir != NULL, NULL);
data_dirs = moo_get_data_dirs (type, &n_dirs);
g_return_val_if_fail (data_dirs != NULL, NULL);
if (n_dirs_p)
*n_dirs_p = n_dirs;
dirs = g_new0 (char*, n_dirs + 1);
for (i = 0; i < n_dirs; ++i)
dirs[i] = g_build_filename (data_dirs[i], subdir, NULL);
g_strfreev (data_dirs);
return dirs;
}
char *
moo_get_user_data_file (const char *basename)
{
char *dir, *file;
g_return_val_if_fail (basename && basename[0], NULL);
dir = moo_get_user_data_dir ();
g_return_val_if_fail (dir != NULL, NULL);
file = g_build_filename (dir, basename, NULL);
g_free (dir);
return file;
}
static gboolean
save_with_backup (const char *filename,
const char *data,
gssize len,
GError **error)
{
char *tmp_file, *bak_file;
gboolean result = FALSE;
GError *error_move = NULL;
tmp_file = g_strdup_printf ("%s.tmp", filename);
bak_file = g_strdup_printf ("%s.bak", filename);
if (!_moo_save_file_utf8 (tmp_file, data, len, error))
goto out;
_moo_rename (filename, bak_file, &error_move);
if (!_moo_rename (tmp_file, filename, error))
{
if (error_move)
{
g_critical ("%s: %s", G_STRLOC, error_move->message);
g_error_free (error_move);
}
}
else
{
if (error_move)
g_propagate_error (error, error_move);
else
result = TRUE;
}
out:
g_free (tmp_file);
g_free (bak_file);
return result;
}
static gboolean
same_content (const char *filename,
const char *data,
gsize len)
{
GMappedFile *file;
char *content;
gsize i;
gboolean equal = FALSE;
file = g_mapped_file_new (filename, FALSE, NULL);
if (!file || g_mapped_file_get_length (file) != len)
goto out;
content = g_mapped_file_get_contents (file);
for (i = 0; i < len; ++i)
if (data[i] != content[i])
goto out;
equal = TRUE;
out:
if (file)
g_mapped_file_free (file);
return equal;
}
gboolean
moo_save_user_data_file (const char *basename,
const char *content,
gssize len,
GError **error)
{
char *dir, *file;
gboolean result = FALSE;
g_return_val_if_fail (basename != NULL, FALSE);
g_return_val_if_fail (content != NULL, FALSE);
if (len < 0)
len = strlen (content);
dir = moo_get_user_data_dir ();
file = moo_get_user_data_file (basename);
g_return_val_if_fail (dir && file, FALSE);
if (!_moo_mkdir (dir, error))
goto out;
if (same_content (file, content, len))
{
result = TRUE;
goto out;
}
if (!save_with_backup (file, content, len, error))
goto out;
result = TRUE;
out:
g_free (dir);
g_free (file);
return result;
}
GType
moo_data_dir_type_get_type (void)
{
static GType type = 0;
if (!type)
{
static const GEnumValue values[] = {
{ MOO_DATA_SHARE, (char*) "MOO_DATA_SHARE", (char*) "share" },
{ MOO_DATA_LIB, (char*) "MOO_DATA_LIB", (char*) "lib" },
{ 0, NULL, NULL },
};
type = g_enum_register_static ("MooDataDirType", values);
}
return type;
}
gboolean
_moo_debug_enabled (void)
{
static gboolean enabled;
static gboolean been_here;
if (!been_here)
{
been_here = TRUE;
enabled = g_getenv ("MOO_DEBUG") != NULL;
}
return enabled;
}
void
_moo_widget_set_tooltip (GtkWidget *widget,
const char *tip)
{
static GtkTooltips *tooltips;
g_return_if_fail (GTK_IS_WIDGET (widget));
if (!tooltips)
tooltips = gtk_tooltips_new ();
if (GTK_IS_TOOL_ITEM (widget))
gtk_tool_item_set_tooltip (GTK_TOOL_ITEM (widget), tooltips, tip, NULL);
else
gtk_tooltips_set_tip (tooltips, widget, tip, tip);
}
char **
_moo_splitlines (const char *string)
{
GPtrArray *array;
const char *line, *p;
if (!string || !string[0])
return NULL;
array = g_ptr_array_new ();
p = line = string;
while (*p)
{
switch (*p)
{
case '\r':
g_ptr_array_add (array, g_strndup (line, p - line));
if (*++p == '\n')
++p;
line = p;
break;
case '\n':
g_ptr_array_add (array, g_strndup (line, p - line));
line = ++p;
break;
default:
++p;
}
}
if (p > line)
g_ptr_array_add (array, g_strndup (line, p - line));
g_ptr_array_add (array, NULL);
return (char**) g_ptr_array_free (array, FALSE);
}
G_GNUC_UNUSED static guint
saved_win32_error_mode;
void
_moo_disable_win32_error_message (void)
{
#ifdef __WIN32__
saved_win32_error_mode = SetErrorMode (SEM_NOOPENFILEERRORBOX | SEM_FAILCRITICALERRORS);
#endif
}
void
_moo_enable_win32_error_message (void)
{
#ifdef __WIN32__
SetErrorMode (saved_win32_error_mode);
#endif
}
#undef _moo_str_equal
gboolean
_moo_str_equal (const char *s1,
const char *s2)
{
return !strcmp (s1 ? s1 : "", s2 ? s2 : "");
}
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