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gtk/gdk/win32/gdkproperty-win32.c
Paolo Borelli 3cd79c11fc win32: remove _gdk_root global variable
2016-01-14 14:30:37 +01:00

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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, see <http://www.gnu.org/licenses/>.
*/
/*
* 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"
#include "gdkwin32.h"
GdkAtom
_gdk_win32_display_manager_atom_intern (GdkDisplayManager *manager,
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;
}
gchar *
_gdk_win32_display_manager_get_atom_name (GdkDisplayManager *manager,
GdkAtom atom)
{
ATOM win32_atom;
gchar name[256];
if (GDK_NONE == atom) return g_strdup ("<none>");
else 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_win32_window_get_property (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;
}
void
_gdk_win32_window_change_property (GdkWindow *window,
GdkAtom property,
GdkAtom type,
gint format,
GdkPropMode mode,
const guchar *data,
gint nelements)
{
HGLOBAL hdata;
gint i, size;
guchar *ucptr;
wchar_t *wcptr, *p;
glong wclen;
GError *err = NULL;
g_return_if_fail (window != NULL);
g_return_if_fail (GDK_IS_WINDOW (window));
if (GDK_WINDOW_DESTROYED (window))
return;
GDK_NOTE (DND, {
gchar *prop_name = gdk_atom_name (property);
gchar *type_name = gdk_atom_name (type);
g_print ("gdk_property_change: %p %s %s %s %d*%d bits: %s\n",
GDK_WINDOW_HWND (window),
prop_name,
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 &&
format == 8 &&
mode == GDK_PROP_MODE_REPLACE)
{
if (type == _image_bmp && nelements < sizeof (BITMAPFILEHEADER))
{
g_warning ("Clipboard contains invalid bitmap data");
return;
}
if (type == _utf8_string)
{
if (!OpenClipboard (GDK_WINDOW_HWND (window)))
{
WIN32_API_FAILED ("OpenClipboard");
return;
}
wcptr = g_utf8_to_utf16 ((char *) data, nelements, NULL, &wclen, &err);
if (err != NULL)
{
g_warning ("Failed to convert utf8: %s", err->message);
g_clear_error (&err);
return;
}
wclen++; /* Terminating 0 */
size = wclen * 2;
for (i = 0; i < wclen; i++)
if (wcptr[i] == '\n' && (i == 0 || wcptr[i - 1] != '\r'))
size += 2;
if (!(hdata = GlobalAlloc (GMEM_MOVEABLE, size)))
{
WIN32_API_FAILED ("GlobalAlloc");
if (!CloseClipboard ())
WIN32_API_FAILED ("CloseClipboard");
g_free (wcptr);
return;
}
ucptr = GlobalLock (hdata);
p = (wchar_t *) ucptr;
for (i = 0; i < wclen; i++)
{
if (wcptr[i] == '\n' && (i == 0 || wcptr[i - 1] != '\r'))
*p++ = '\r';
*p++ = wcptr[i];
}
g_free (wcptr);
GlobalUnlock (hdata);
GDK_NOTE (DND, g_print ("... SetClipboardData(CF_UNICODETEXT,%p)\n",
hdata));
if (!SetClipboardData (CF_UNICODETEXT, hdata))
WIN32_API_FAILED ("SetClipboardData");
if (!CloseClipboard ())
WIN32_API_FAILED ("CloseClipboard");
}
else
{
/* We use delayed rendering for everything else than
* text. 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.
*/
GDK_NOTE (DND, g_print ("... delayed rendering\n"));
_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 if (property == _gdk_ole2_dnd)
{
/* Will happen only if gdkdnd-win32.c has OLE2 dnd support compiled in */
_gdk_win32_ole2_dnd_property_change (type, format, data, nelements);
}
else
g_warning ("gdk_property_change: General case not implemented");
}
void
_gdk_win32_window_delete_property (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 %s\n",
GDK_WINDOW_HWND (window),
prop_name);
g_free (prop_name);
});
if (property == _gdk_selection)
_gdk_selection_property_delete (window);
else if (property == _wm_transient_for)
{
GdkScreen *screen;
screen = gdk_window_get_screen (window);
gdk_window_set_transient_for (window, gdk_screen_get_root_window (screen));
}
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, from gdk/x11/gdksettings.c:
"Net/DoubleClickTime\0" "gtk-double-click-time\0"
"Net/DoubleClickDistance\0" "gtk-double-click-distance\0"
"Net/DndDragThreshold\0" "gtk-dnd-drag-threshold\0"
"Net/CursorBlink\0" "gtk-cursor-blink\0"
"Net/CursorBlinkTime\0" "gtk-cursor-blink-time\0"
"Net/ThemeName\0" "gtk-theme-name\0"
"Net/IconThemeName\0" "gtk-icon-theme-name\0"
"Gtk/ColorPalette\0" "gtk-color-palette\0"
"Gtk/FontName\0" "gtk-font-name\0"
"Gtk/KeyThemeName\0" "gtk-key-theme-name\0"
"Gtk/Modules\0" "gtk-modules\0"
"Gtk/CursorBlinkTimeout\0" "gtk-cursor-blink-timeout\0"
"Gtk/CursorThemeName\0" "gtk-cursor-theme-name\0"
"Gtk/CursorThemeSize\0" "gtk-cursor-theme-size\0"
"Gtk/ColorScheme\0" "gtk-color-scheme\0"
"Gtk/EnableAnimations\0" "gtk-enable-animations\0"
"Xft/Antialias\0" "gtk-xft-antialias\0"
"Xft/Hinting\0" "gtk-xft-hinting\0"
"Xft/HintStyle\0" "gtk-xft-hintstyle\0"
"Xft/RGBA\0" "gtk-xft-rgba\0"
"Xft/DPI\0" "gtk-xft-dpi\0"
"Gtk/EnableAccels\0" "gtk-enable-accels\0"
"Gtk/ScrolledWindowPlacement\0" "gtk-scrolled-window-placement\0"
"Gtk/IMModule\0" "gtk-im-module\0"
"Fontconfig/Timestamp\0" "gtk-fontconfig-timestamp\0"
"Net/SoundThemeName\0" "gtk-sound-theme-name\0"
"Net/EnableInputFeedbackSounds\0" "gtk-enable-input-feedback-sounds\0"
"Net/EnableEventSounds\0" "gtk-enable-event-sounds\0";
More, from various places in gtk sources:
gtk-entry-select-on-focus
gtk-split-cursor
*/
gboolean
_gdk_win32_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-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;
}
else if (strcmp ("gtk-alternative-sort-arrows", name) == 0)
{
GDK_NOTE(MISC, g_print("gdk_screen_get_setting(\"%s\") : TRUE\n", name));
g_value_set_boolean (value, TRUE);
return TRUE;
}
else if (strcmp ("gtk-shell-shows-desktop", name) == 0)
{
GDK_NOTE(MISC, g_print("gdk_screen_get_setting(\"%s\") : TRUE\n", name));
g_value_set_boolean (value, TRUE);
return TRUE;
}
else if (strcmp ("gtk-font-name", name) == 0)
{
NONCLIENTMETRICS ncm;
CPINFOEX cpinfoex_default, cpinfoex_curr_thread;
OSVERSIONINFO info;
BOOL result_default, result_curr_thread;
info.dwOSVersionInfoSize = sizeof (OSVERSIONINFO);
/* TODO: Fallback to using Pango on Windows 8 and later,
* as this method of handling gtk-font-name does not work
* well there, where garbled text will be displayed for texts
* that are not supported by the default menu font. Look for
* whether there is a better solution for this on Windows 8 and
* later
*/
if (!GetVersionEx (&info) ||
info.dwMajorVersion > 6 ||
(info.dwMajorVersion == 6 && info.dwMinorVersion >= 2))
return FALSE;
/* check whether the system default ANSI codepage matches the
* ANSI code page of the running thread. If so, continue, otherwise
* fall back to using Pango to handle gtk-font-name
*/
result_default = GetCPInfoEx (CP_ACP, 0, &cpinfoex_default);
result_curr_thread = GetCPInfoEx (CP_THREAD_ACP, 0, &cpinfoex_curr_thread);
if (!result_default ||
!result_curr_thread ||
cpinfoex_default.CodePage != cpinfoex_curr_thread.CodePage)
return FALSE;
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;
}
}
}
return FALSE;
}
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