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gtk2/gdk/win32/gdkproperty-win32.c
Tor Lillqvist dd9aefca76 Convert \n to \r\n also when storing CF_UNICODETEXT (UTF-16) in the 
2006-06-11  Tor Lillqvist  <tml@novell.com>

	* gdk/win32/gdkproperty-win32.c (gdk_property_change): Convert \n
	to \r\n also when storing CF_UNICODETEXT (UTF-16) in the
	Clipboard. (#344496)
2006-06-11 19:45:56 +00:00

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/* GDK - The GIMP Drawing Kit
* Copyright (C) 1995-1997 Peter Mattis, Spencer Kimball and Josh MacDonald
* Copyright (C) 1998-2002 Tor Lillqvist
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the
* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
* Boston, MA 02111-1307, USA.
*/
/*
* Modified by the GTK+ Team and others 1997-2000. See the AUTHORS
* file for a list of people on the GTK+ Team. See the ChangeLog
* files for a list of changes. These files are distributed with
* GTK+ at ftp://ftp.gtk.org/pub/gtk/.
*/
#include <config.h>
#include <string.h>
#include <stdlib.h>
#include <glib/gprintf.h>
#include "gdkscreen.h"
#include "gdkproperty.h"
#include "gdkselection.h"
#include "gdkprivate-win32.h"
GdkAtom
gdk_atom_intern (const gchar *atom_name,
gint only_if_exists)
{
ATOM win32_atom;
GdkAtom retval;
static GHashTable *atom_hash = NULL;
if (!atom_hash)
atom_hash = g_hash_table_new (g_str_hash, g_str_equal);
retval = g_hash_table_lookup (atom_hash, atom_name);
if (!retval)
{
if (strcmp (atom_name, "PRIMARY") == 0)
retval = GDK_SELECTION_PRIMARY;
else if (strcmp (atom_name, "SECONDARY") == 0)
retval = GDK_SELECTION_SECONDARY;
else if (strcmp (atom_name, "CLIPBOARD") == 0)
retval = GDK_SELECTION_CLIPBOARD;
else if (strcmp (atom_name, "ATOM") == 0)
retval = GDK_SELECTION_TYPE_ATOM;
else if (strcmp (atom_name, "BITMAP") == 0)
retval = GDK_SELECTION_TYPE_BITMAP;
else if (strcmp (atom_name, "COLORMAP") == 0)
retval = GDK_SELECTION_TYPE_COLORMAP;
else if (strcmp (atom_name, "DRAWABLE") == 0)
retval = GDK_SELECTION_TYPE_DRAWABLE;
else if (strcmp (atom_name, "INTEGER") == 0)
retval = GDK_SELECTION_TYPE_INTEGER;
else if (strcmp (atom_name, "PIXMAP") == 0)
retval = GDK_SELECTION_TYPE_PIXMAP;
else if (strcmp (atom_name, "WINDOW") == 0)
retval = GDK_SELECTION_TYPE_WINDOW;
else if (strcmp (atom_name, "STRING") == 0)
retval = GDK_SELECTION_TYPE_STRING;
else
{
win32_atom = GlobalAddAtom (atom_name);
retval = GUINT_TO_POINTER ((guint) win32_atom);
}
g_hash_table_insert (atom_hash,
g_strdup (atom_name),
retval);
}
return retval;
}
GdkAtom
gdk_atom_intern_static_string (const gchar *atom_name)
{
/* on X11 this is supposed to save memory. On win32 there seems to be
* no way to make a difference ?
*/
return gdk_atom_intern (atom_name, FALSE);
}
gchar *
gdk_atom_name (GdkAtom atom)
{
ATOM win32_atom;
gchar name[256];
if (GDK_SELECTION_PRIMARY == atom) return g_strdup ("PRIMARY");
else if (GDK_SELECTION_SECONDARY == atom) return g_strdup ("SECONDARY");
else if (GDK_SELECTION_CLIPBOARD == atom) return g_strdup ("CLIPBOARD");
else if (GDK_SELECTION_TYPE_ATOM == atom) return g_strdup ("ATOM");
else if (GDK_SELECTION_TYPE_BITMAP == atom) return g_strdup ("BITMAP");
else if (GDK_SELECTION_TYPE_COLORMAP == atom) return g_strdup ("COLORMAP");
else if (GDK_SELECTION_TYPE_DRAWABLE == atom) return g_strdup ("DRAWABLE");
else if (GDK_SELECTION_TYPE_INTEGER == atom) return g_strdup ("INTEGER");
else if (GDK_SELECTION_TYPE_PIXMAP == atom) return g_strdup ("PIXMAP");
else if (GDK_SELECTION_TYPE_WINDOW == atom) return g_strdup ("WINDOW");
else if (GDK_SELECTION_TYPE_STRING == atom) return g_strdup ("STRING");
win32_atom = GPOINTER_TO_UINT (atom);
if (win32_atom < 0xC000)
return g_strdup_printf ("#%p", atom);
else if (GlobalGetAtomName (win32_atom, name, sizeof (name)) == 0)
return NULL;
return g_strdup (name);
}
gint
gdk_property_get (GdkWindow *window,
GdkAtom property,
GdkAtom type,
gulong offset,
gulong length,
gint pdelete,
GdkAtom *actual_property_type,
gint *actual_format_type,
gint *actual_length,
guchar **data)
{
g_return_val_if_fail (window != NULL, FALSE);
g_return_val_if_fail (GDK_IS_WINDOW (window), FALSE);
if (GDK_WINDOW_DESTROYED (window))
return FALSE;
g_warning ("gdk_property_get: Not implemented");
return FALSE;
}
static gboolean
find_common_locale (const guchar *data,
gint nelements,
gint nchars,
LCID *lcidp,
guchar **bufp,
gint *sizep)
{
static struct {
LCID lcid;
UINT cp;
} locales[] = {
#define ENTRY(lang, sublang) \
{ MAKELCID (MAKELANGID (LANG_##lang, SUBLANG_##sublang), SORT_DEFAULT), 0 }
ENTRY (ENGLISH, DEFAULT),
ENTRY (POLISH, DEFAULT),
ENTRY (CZECH, DEFAULT),
ENTRY (LITHUANIAN, DEFAULT),
ENTRY (RUSSIAN, DEFAULT),
ENTRY (GREEK, DEFAULT),
ENTRY (TURKISH, DEFAULT),
ENTRY (HEBREW, DEFAULT),
ENTRY (ARABIC, DEFAULT),
ENTRY (THAI, DEFAULT),
ENTRY (JAPANESE, DEFAULT),
ENTRY (CHINESE, CHINESE_SIMPLIFIED),
ENTRY (CHINESE, CHINESE_TRADITIONAL),
ENTRY (KOREAN, DEFAULT),
#undef ENTRY
};
static gboolean been_here = FALSE;
gint i;
wchar_t *wcs;
/* For each installed locale: Get the locale's default code page,
* and store the list of locales and code pages.
*/
if (!been_here)
{
been_here = TRUE;
for (i = 0; i < G_N_ELEMENTS (locales); i++)
if (IsValidLocale (locales[i].lcid, LCID_INSTALLED))
{
gchar buf[10];
if (GetLocaleInfo (locales[i].lcid, LOCALE_IDEFAULTANSICODEPAGE,
buf, sizeof (buf)))
{
gchar name[100];
locales[i].cp = atoi (buf);
GDK_NOTE (DND, (GetLocaleInfo (locales[i].lcid,
LOCALE_SENGLANGUAGE,
name, sizeof (name)),
g_print ("locale %#lx: %s: CP%d\n",
(gulong) locales[i].lcid, name,
locales[i].cp)));
}
}
}
/* Allocate bufp big enough to store data in any code page. Two
* bytes for each Unicode char should be enough, Windows code pages
* are either single- or double-byte.
*/
*bufp = g_malloc ((nchars+1)*2);
/* Convert to Windows wide chars into temp buf */
wcs = g_utf8_to_utf16 (data, nelements, NULL, NULL, NULL);
/* For each code page that is the default for an installed locale: */
for (i = 0; i < G_N_ELEMENTS (locales); i++)
{
BOOL used_default;
int nbytes;
if (locales[i].cp == 0)
continue;
/* Convert to that code page into bufp */
nbytes = WideCharToMultiByte (locales[i].cp, 0, wcs, -1,
*bufp, (nchars+1)*2,
NULL, &used_default);
if (!used_default)
{
/* This locale is good for the string */
g_free (wcs);
*lcidp = locales[i].lcid;
*sizep = nbytes;
return TRUE;
}
}
g_free (*bufp);
g_free (wcs);
return FALSE;
}
void
gdk_property_change (GdkWindow *window,
GdkAtom property,
GdkAtom type,
gint format,
GdkPropMode mode,
const guchar *data,
gint nelements)
{
HGLOBAL hdata, hlcid, hutf8;
UINT cf = 0;
LCID lcid;
LCID *lcidptr;
GString *rtf = NULL;
gint i, size, nchars;
gchar *prop_name, *type_name;
guchar *ucptr, *buf = NULL;
wchar_t *wcptr;
glong wclen;
enum { SYSTEM_CODEPAGE, UNICODE_TEXT, SINGLE_LOCALE, RICH_TEXT } method;
gboolean ok = TRUE;
g_return_if_fail (window != NULL);
g_return_if_fail (GDK_IS_WINDOW (window));
if (GDK_WINDOW_DESTROYED (window))
return;
GDK_NOTE (DND,
(prop_name = gdk_atom_name (property),
type_name = gdk_atom_name (type),
g_print ("gdk_property_change: %p %#x (%s) %#x (%s) %s %d*%d bytes: %s\n",
GDK_WINDOW_HWND (window),
(guint) property, prop_name,
(guint) type, type_name,
(mode == GDK_PROP_MODE_REPLACE ? "REPLACE" :
(mode == GDK_PROP_MODE_PREPEND ? "PREPEND" :
(mode == GDK_PROP_MODE_APPEND ? "APPEND" :
"???"))),
format, nelements,
_gdk_win32_data_to_string (data, MIN (10, format*nelements/8))),
g_free (prop_name),
g_free (type_name)));
/* We should never come here for these types */
g_return_if_fail (type != GDK_TARGET_STRING);
g_return_if_fail (type != _text);
g_return_if_fail (type != _compound_text);
g_return_if_fail (type != _save_targets);
if (property == _gdk_selection_property
&& format == 8
&& mode == GDK_PROP_MODE_REPLACE)
{
if (type == _utf8_string)
{
if (!OpenClipboard (GDK_WINDOW_HWND (window)))
{
WIN32_API_FAILED ("OpenClipboard");
return;
}
nchars = g_utf8_strlen (data, nelements);
/* Check if only ASCII */
for (i = 0; i < nelements; i++)
if (data[i] >= 0200)
break;
if (i == nelements)
{
/* If UTF-8 and only ASCII, use CF_TEXT and the data as
* such.
*/
method = SYSTEM_CODEPAGE;
size = nelements;
for (i = 0; i < nelements; i++)
if (data[i] == '\n')
size++;
size++;
GDK_NOTE (DND, g_print ("... as text: %.40s\n", data));
}
else if (G_WIN32_IS_NT_BASED ())
{
/* On NT, use CF_UNICODETEXT if any non-system codepage
* char present.
*/
method = UNICODE_TEXT;
wcptr = g_utf8_to_utf16 (data, nelements, NULL, &wclen, NULL);
wclen++; /* Terminating 0 */
size = wclen * 2;
for (i = 0; i < wclen; i++)
if (wcptr[i] == '\n')
size += 2;
GDK_NOTE (DND, g_print ("... as Unicode\n"));
}
else if (find_common_locale (data, nelements, nchars, &lcid, &buf, &size))
{
/* On Win9x, if all chars are in the default code page
* of some installed locale, use CF_TEXT and CF_LOCALE.
*/
method = SINGLE_LOCALE;
GDK_NOTE (DND, g_print ("... as text in locale %#lx %d bytes\n",
(gulong) lcid, size));
}
else
{
/* On Win9x, otherwise use RTF */
const guchar *p = data;
/* WordPad on XP, at least, doesn't seem to grok \uc0
* -encoded Unicode characters. Oh well, use \uc1 then,
* with a question mark as the "ANSI" stand-in for each
* non-ASCII Unicode character. (WordPad for XP? This
* code path is for Win9x! Yes, but I don't have Win9x,
* so I use XP to test, using the G_WIN32_PRETEND_WIN9X
* environment variable.)
*/
method = RICH_TEXT;
rtf = g_string_new ("{\\rtf1\\uc1 ");
while (p < data + nelements)
{
if (*p == '{' ||
*p == '\\' ||
*p == '}')
{
rtf = g_string_append_c (rtf, '\\');
rtf = g_string_append_c (rtf, *p);
p++;
}
else if (*p < 0200 && *p >= ' ')
{
rtf = g_string_append_c (rtf, *p);
p++;
}
else
{
guchar *q;
gint n;
rtf = g_string_append (rtf, "\\uNNNNN ?");
rtf->len -= 7; /* five digits a space and a question mark */
q = rtf->str + rtf->len;
n = g_sprintf (q, "%d ?", g_utf8_get_char (p));
g_assert (n <= 7);
rtf->len += n;
p = g_utf8_next_char (p);
}
}
rtf = g_string_append (rtf, "}");
size = rtf->len + 1;
GDK_NOTE (DND, g_print ("... as RTF: %.40s\n", rtf->str));
}
if (!(hdata = GlobalAlloc (GMEM_MOVEABLE, size)))
{
WIN32_API_FAILED ("GlobalAlloc");
if (!CloseClipboard ())
WIN32_API_FAILED ("CloseClipboard");
if (buf != NULL)
g_free (buf);
if (rtf != NULL)
g_string_free (rtf, TRUE);
return;
}
ucptr = GlobalLock (hdata);
switch (method)
{
case SYSTEM_CODEPAGE:
cf = CF_TEXT;
for (i = 0; i < nelements; i++)
{
if (data[i] == '\n')
*ucptr++ = '\r';
*ucptr++ = data[i];
}
*ucptr++ = '\0';
break;
case UNICODE_TEXT:
{
wchar_t *p = (wchar_t *) ucptr;
cf = CF_UNICODETEXT;
for (i = 0; i < wclen; i++)
{
if (wcptr[i] == '\n')
*p++ = '\r';
*p++ = wcptr[i];
}
g_free (wcptr);
}
break;
case SINGLE_LOCALE:
cf = CF_TEXT;
memmove (ucptr, buf, size);
g_free (buf);
/* Set the CF_LOCALE clipboard data, too */
if (!(hlcid = GlobalAlloc (GMEM_MOVEABLE, sizeof (LCID))))
WIN32_API_FAILED ("GlobalAlloc"), ok = FALSE;
if (ok)
{
lcidptr = GlobalLock (hlcid);
*lcidptr = lcid;
GlobalUnlock (hlcid);
GDK_NOTE (DND, g_print ("... SetClipboardData(CF_LOCALE,%p)\n",
hlcid));
if (!SetClipboardData (CF_LOCALE, hlcid))
WIN32_API_FAILED ("SetClipboardData(CF_LOCALE)"), ok = FALSE;
}
break;
case RICH_TEXT:
cf = _cf_rtf;
memmove (ucptr, rtf->str, size);
g_string_free (rtf, TRUE);
/* Set the UTF8_STRING clipboard data, too, for other
* GTK+ apps to use (won't bother reading RTF).
*/
if (!(hutf8 = GlobalAlloc (GMEM_MOVEABLE, nelements)))
WIN32_API_FAILED ("GlobalAlloc");
else
{
guchar *utf8ptr = GlobalLock (hutf8);
memmove (utf8ptr, data, nelements);
GlobalUnlock (hutf8);
GDK_NOTE (DND, g_print ("... SetClipboardData('UTF8_STRING',%p)\n",
hutf8));
if (!SetClipboardData (_cf_utf8_string, hutf8))
WIN32_API_FAILED ("SetClipboardData('UTF8_STRING')");
}
break;
default:
g_assert_not_reached ();
}
GlobalUnlock (hdata);
GDK_NOTE (DND, g_print ("... SetClipboardData(%s,%p)\n",
_gdk_win32_cf_to_string (cf), hdata));
if (ok && !SetClipboardData (cf, hdata))
WIN32_API_FAILED ("SetClipboardData"), ok = FALSE;
if (!CloseClipboard ())
WIN32_API_FAILED ("CloseClipboard");
}
else
{
GDK_NOTE (DND, g_print ("... delayed rendering\n"));
/* Delayed Rendering. We can't assign hdata to the clipboard
* here as type may be "image/png", "image/jpg", etc. In
* this case there's a further conversion afterwards.
*/
_delayed_rendering_data = NULL;
if (!(hdata = GlobalAlloc (GMEM_MOVEABLE, nelements > 0 ? nelements : 1)))
{
WIN32_API_FAILED ("GlobalAlloc");
return;
}
ucptr = GlobalLock (hdata);
memcpy (ucptr, data, nelements);
GlobalUnlock (hdata);
_delayed_rendering_data = hdata;
}
}
else
g_warning ("gdk_property_change: General case not implemented");
}
void
gdk_property_delete (GdkWindow *window,
GdkAtom property)
{
gchar *prop_name;
g_return_if_fail (window != NULL);
g_return_if_fail (GDK_IS_WINDOW (window));
GDK_NOTE (DND,
(prop_name = gdk_atom_name (property),
g_print ("gdk_property_delete: %p %#x (%s)\n",
GDK_WINDOW_HWND (window),
(guint) property, prop_name),
g_free (prop_name)));
if (property == _gdk_selection_property)
_gdk_selection_property_delete (window);
else if (property == _wm_transient_for)
gdk_window_set_transient_for (window, _gdk_root);
else
{
prop_name = gdk_atom_name (property);
g_warning ("gdk_property_delete: General case (%s) not implemented",
prop_name);
g_free (prop_name);
}
}
/*
for reference copied from gdk/x11/gdkevents-x11.c
{ "Net/DoubleClickTime", "gtk-double-click-time" },
{ "Net/DoubleClickDistance", "gtk-double-click-distance" },
{ "Net/DndDragThreshold", "gtk-dnd-drag-threshold" },
{ "Gtk/CanChangeAccels", "gtk-can-change-accels" },
{ "Gtk/ColorPalette", "gtk-color-palette" },
{ "Gtk/FontName", "gtk-font-name" },
{ "Gtk/IconSizes", "gtk-icon-sizes" },
{ "Gtk/KeyThemeName", "gtk-key-theme-name" },
{ "Gtk/ToolbarStyle", "gtk-toolbar-style" },
{ "Gtk/ToolbarIconSize", "gtk-toolbar-icon-size" },
{ "Gtk/IMPreeditStyle", "gtk-im-preedit-style" },
{ "Gtk/IMStatusStyle", "gtk-im-status-style" },
{ "Net/CursorBlink", "gtk-cursor-blink" },
{ "Net/CursorBlinkTime", "gtk-cursor-blink-time" },
{ "Net/ThemeName", "gtk-theme-name" },
{ "Net/IconThemeName", "gtk-icon-theme-name" },
{ "Gtk/ButtonImages", "gtk-button-images" },
{ "Gtk/MenuImages", "gtk-menu-images" },
{ "Xft/Antialias", "gtk-xft-antialias" },
{ "Xft/Hinting", "gtk-xft-hinting" },
{ "Xft/HintStyle", "gtk-xft-hintstyle" },
{ "Xft/RGBA", "gtk-xft-rgba" },
{ "Xft/DPI", "gtk-xft-dpi" },
// more spread in gtk sources
gtk-entry-select-on-focus
gtk-cursor-blink
gtk-cursor-blink-time
gtk-split-cursor
*/
gboolean
gdk_screen_get_setting (GdkScreen *screen,
const gchar *name,
GValue *value)
{
g_return_val_if_fail (GDK_IS_SCREEN (screen), FALSE);
/*
* XXX : if these values get changed through the Windoze UI the
* respective gdk_events are not generated yet.
*/
if (strcmp ("gtk-theme-name", name) == 0)
{
g_value_set_string (value, "ms-windows");
}
else if (strcmp ("gtk-double-click-time", name) == 0)
{
gint i = GetDoubleClickTime ();
GDK_NOTE(MISC, g_print("gdk_screen_get_setting(\"%s\") : %d\n", name, i));
g_value_set_int (value, i);
return TRUE;
}
else if (strcmp ("gtk-double-click-distance", name) == 0)
{
gint i = MAX(GetSystemMetrics (SM_CXDOUBLECLK), GetSystemMetrics (SM_CYDOUBLECLK));
GDK_NOTE(MISC, g_print("gdk_screen_get_setting(\"%s\") : %d\n", name, i));
g_value_set_int (value, i);
return TRUE;
}
else if (strcmp ("gtk-dnd-drag-threshold", name) == 0)
{
gint i = MAX(GetSystemMetrics (SM_CXDRAG), GetSystemMetrics (SM_CYDRAG));
GDK_NOTE(MISC, g_print("gdk_screen_get_setting(\"%s\") : %d\n", name, i));
g_value_set_int (value, i);
return TRUE;
}
else if (strcmp ("gtk-split-cursor", name) == 0)
{
GDK_NOTE(MISC, g_print("gdk_screen_get_setting(\"%s\") : FALSE\n", name));
g_value_set_boolean (value, FALSE);
return TRUE;
}
else if (strcmp ("gtk-alternative-button-order", name) == 0)
{
GDK_NOTE(MISC, g_print("gdk_screen_get_setting(\"%s\") : TRUE\n", name));
g_value_set_boolean (value, TRUE);
return TRUE;
}
#if 0
/*
* With 'MS Sans Serif' as windows menu font (default on win98se) you'll get a
* bunch of :
* WARNING **: Couldn't load font "MS Sans Serif 8" falling back to "Sans 8"
* at least with testfilechooser (regardless of the bitmap check below)
* so just disabling this code seems to be the best we can do --hb
*/
else if (strcmp ("gtk-font-name", name) == 0)
{
NONCLIENTMETRICS ncm;
ncm.cbSize = sizeof(NONCLIENTMETRICS);
if (SystemParametersInfo (SPI_GETNONCLIENTMETRICS, ncm.cbSize, &ncm, FALSE))
{
/* Pango finally uses GetDeviceCaps to scale, we use simple
* approximation here.
*/
int nHeight = (0 > ncm.lfMenuFont.lfHeight ? -3*ncm.lfMenuFont.lfHeight/4 : 10);
if (OUT_STRING_PRECIS == ncm.lfMenuFont.lfOutPrecision)
GDK_NOTE(MISC, g_print("gdk_screen_get_setting(%s) : ignoring bitmap font '%s'\n",
name, ncm.lfMenuFont.lfFaceName));
else if (ncm.lfMenuFont.lfFaceName && strlen(ncm.lfMenuFont.lfFaceName) > 0 &&
/* Avoid issues like those described in bug #135098 */
g_utf8_validate (ncm.lfMenuFont.lfFaceName, -1, NULL))
{
char* s = g_strdup_printf ("%s %d", ncm.lfMenuFont.lfFaceName, nHeight);
GDK_NOTE(MISC, g_print("gdk_screen_get_setting(%s) : %s\n", name, s));
g_value_set_string (value, s);
g_free(s);
return TRUE;
}
}
}
#endif
GDK_NOTE(MISC, g_print("gdk_screen_get_setting(%s) not handled\n", name));
return FALSE;
}
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