forked from AuroraMiddleware/gtk
1ff434a681
2006-08-29 Tor Lillqvist <tml@novell.com> Remove support for Windows 9x/ME. GTK+ hasn't worked on Win9x since 2.6 or 2.8. It's pointless to keep the Win9x code in here as it isn't being maintained anyway. If somebody is interested, it can always be found in older GTK+ versions, and in CVS. * gdk/win32/gdkcursor-win32.c * gdk/win32/gdkdnd-win32.c * gdk/win32/gdkdrawable-win32.c * gdk/win32/gdkgc-win32.c * gdk/win32/gdkglobals-win32.c * gdk/win32/gdkkeys-win32.c * gdk/win32/gdkmain-win32.c * gdk/win32/gdkproperty-win32.c * gdk/win32/gdkselection-win32.c: Remove the G_WIN32_IS_NT_BASED() and G_WIN32_HAVE_WIDECHAR_API() tests and their false (Win9x) branches, and any variables or static functions used only by the Win9x branches. * gdk/win32/gdkprivate-win32.h: Remove backup definitions for constants that aren't missing from current mingw and MSVC6 headers. * gdk/win32/gdkmain-win32.c * gdk/win32/gdkprivate-win32.h: Remove the _gdk_win32_gdi_failed() function. On NT-based Windows GetLastError() returns error codes also for failed GDI calls, so we can use _gdk_win32_api_failed() always.
864 lines
22 KiB
C
864 lines
22 KiB
C
/* GDK - The GIMP Drawing Kit
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* Copyright (C) 2000 Red Hat, Inc.
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the
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* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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* Boston, MA 02111-1307, USA.
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*/
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/*
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* Modified by the GTK+ Team and others 1997-2000. See the AUTHORS
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* file for a list of people on the GTK+ Team. See the ChangeLog
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* files for a list of changes. These files are distributed with
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* GTK+ at ftp://ftp.gtk.org/pub/gtk/.
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*/
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#include <ctype.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <limits.h>
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#include <errno.h>
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#include "gdk.h"
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#include "gdkprivate-win32.h"
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#include "gdkinternals.h"
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#include "gdkkeysyms.h"
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#include <config.h>
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guint _gdk_keymap_serial = 0;
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gboolean _gdk_keyboard_has_altgr = FALSE;
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guint _scancode_rshift = 0;
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static GdkModifierType gdk_shift_modifiers = GDK_SHIFT_MASK;
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static GdkKeymap *default_keymap = NULL;
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static guint *keysym_tab = NULL;
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#ifdef G_ENABLE_DEBUG
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static void
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print_keysym_tab (void)
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{
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gint vk;
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g_print ("keymap:%s%s\n",
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_gdk_keyboard_has_altgr ? " (uses AltGr)" : "",
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(gdk_shift_modifiers & GDK_LOCK_MASK) ? " (has ShiftLock)" : "");
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for (vk = 0; vk < 256; vk++)
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{
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gint state;
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g_print ("%#.02x: ", vk);
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for (state = 0; state < 4; state++)
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{
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gchar *name = gdk_keyval_name (keysym_tab[vk*4 + state]);
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if (name == NULL)
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name = "(none)";
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g_print ("%s ", name);
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}
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g_print ("\n");
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}
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}
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#endif
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static void
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handle_special (guint vk,
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guint *ksymp,
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gint shift)
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{
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switch (vk)
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{
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case VK_CANCEL:
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*ksymp = GDK_Cancel; break;
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case VK_BACK:
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*ksymp = GDK_BackSpace; break;
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case VK_TAB:
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if (shift & 0x1)
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*ksymp = GDK_ISO_Left_Tab;
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else
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*ksymp = GDK_Tab;
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break;
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case VK_CLEAR:
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*ksymp = GDK_Clear; break;
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case VK_RETURN:
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*ksymp = GDK_Return; break;
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case VK_SHIFT:
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case VK_LSHIFT:
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*ksymp = GDK_Shift_L; break;
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case VK_CONTROL:
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case VK_LCONTROL:
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*ksymp = GDK_Control_L; break;
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case VK_MENU:
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case VK_LMENU:
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*ksymp = GDK_Alt_L; break;
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case VK_PAUSE:
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*ksymp = GDK_Pause; break;
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case VK_ESCAPE:
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*ksymp = GDK_Escape; break;
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case VK_PRIOR:
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*ksymp = GDK_Prior; break;
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case VK_NEXT:
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*ksymp = GDK_Next; break;
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case VK_END:
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*ksymp = GDK_End; break;
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case VK_HOME:
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*ksymp = GDK_Home; break;
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case VK_LEFT:
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*ksymp = GDK_Left; break;
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case VK_UP:
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*ksymp = GDK_Up; break;
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case VK_RIGHT:
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*ksymp = GDK_Right; break;
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case VK_DOWN:
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*ksymp = GDK_Down; break;
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case VK_SELECT:
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*ksymp = GDK_Select; break;
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case VK_PRINT:
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*ksymp = GDK_Print; break;
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case VK_EXECUTE:
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*ksymp = GDK_Execute; break;
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case VK_INSERT:
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*ksymp = GDK_Insert; break;
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case VK_DELETE:
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*ksymp = GDK_Delete; break;
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case VK_HELP:
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*ksymp = GDK_Help; break;
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case VK_LWIN:
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*ksymp = GDK_Meta_L; break;
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case VK_RWIN:
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*ksymp = GDK_Meta_R; break;
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case VK_APPS:
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*ksymp = GDK_Menu; break;
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case VK_MULTIPLY:
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*ksymp = GDK_KP_Multiply; break;
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case VK_ADD:
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*ksymp = GDK_KP_Add; break;
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case VK_SEPARATOR:
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*ksymp = GDK_KP_Separator; break;
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case VK_SUBTRACT:
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*ksymp = GDK_KP_Subtract; break;
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case VK_DIVIDE:
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*ksymp = GDK_KP_Divide; break;
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case VK_NUMPAD0:
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*ksymp = GDK_KP_0; break;
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case VK_NUMPAD1:
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*ksymp = GDK_KP_1; break;
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case VK_NUMPAD2:
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*ksymp = GDK_KP_2; break;
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case VK_NUMPAD3:
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*ksymp = GDK_KP_3; break;
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case VK_NUMPAD4:
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*ksymp = GDK_KP_4; break;
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case VK_NUMPAD5:
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*ksymp = GDK_KP_5; break;
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case VK_NUMPAD6:
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*ksymp = GDK_KP_6; break;
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case VK_NUMPAD7:
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*ksymp = GDK_KP_7; break;
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case VK_NUMPAD8:
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*ksymp = GDK_KP_8; break;
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case VK_NUMPAD9:
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*ksymp = GDK_KP_9; break;
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case VK_F1:
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*ksymp = GDK_F1; break;
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case VK_F2:
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*ksymp = GDK_F2; break;
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case VK_F3:
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*ksymp = GDK_F3; break;
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case VK_F4:
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*ksymp = GDK_F4; break;
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case VK_F5:
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*ksymp = GDK_F5; break;
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case VK_F6:
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*ksymp = GDK_F6; break;
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case VK_F7:
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*ksymp = GDK_F7; break;
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case VK_F8:
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*ksymp = GDK_F8; break;
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case VK_F9:
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*ksymp = GDK_F9; break;
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case VK_F10:
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*ksymp = GDK_F10; break;
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case VK_F11:
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*ksymp = GDK_F11; break;
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case VK_F12:
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*ksymp = GDK_F12; break;
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case VK_F13:
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*ksymp = GDK_F13; break;
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case VK_F14:
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*ksymp = GDK_F14; break;
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case VK_F15:
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*ksymp = GDK_F15; break;
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case VK_F16:
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*ksymp = GDK_F16; break;
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case VK_F17:
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*ksymp = GDK_F17; break;
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case VK_F18:
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*ksymp = GDK_F18; break;
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case VK_F19:
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*ksymp = GDK_F19; break;
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case VK_F20:
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*ksymp = GDK_F20; break;
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case VK_F21:
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*ksymp = GDK_F21; break;
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case VK_F22:
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*ksymp = GDK_F22; break;
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case VK_F23:
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*ksymp = GDK_F23; break;
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case VK_F24:
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*ksymp = GDK_F24; break;
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case VK_NUMLOCK:
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*ksymp = GDK_Num_Lock; break;
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case VK_SCROLL:
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*ksymp = GDK_Scroll_Lock; break;
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case VK_RSHIFT:
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*ksymp = GDK_Shift_R; break;
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case VK_RCONTROL:
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*ksymp = GDK_Control_R; break;
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case VK_RMENU:
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*ksymp = GDK_Alt_R; break;
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}
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}
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static void
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set_shift_vks (guchar *key_state,
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gint shift)
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{
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switch (shift)
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{
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case 0:
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key_state[VK_SHIFT] = 0;
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key_state[VK_CONTROL] = key_state[VK_MENU] = 0;
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break;
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case 1:
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key_state[VK_SHIFT] = 0x80;
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key_state[VK_CONTROL] = key_state[VK_MENU] = 0;
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break;
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case 2:
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key_state[VK_SHIFT] = 0;
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key_state[VK_CONTROL] = key_state[VK_MENU] = 0x80;
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break;
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case 3:
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key_state[VK_SHIFT] = 0x80;
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key_state[VK_CONTROL] = key_state[VK_MENU] = 0x80;
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break;
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}
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}
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static void
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reset_after_dead (guchar key_state[256])
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{
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guchar temp_key_state[256];
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wchar_t wcs[2];
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memmove (temp_key_state, key_state, sizeof (key_state));
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temp_key_state[VK_SHIFT] =
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temp_key_state[VK_CONTROL] =
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temp_key_state[VK_MENU] = 0;
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ToUnicodeEx (VK_SPACE, MapVirtualKey (VK_SPACE, 0),
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temp_key_state, wcs, G_N_ELEMENTS (wcs),
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0, _gdk_input_locale);
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}
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static void
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handle_dead (guint keysym,
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guint *ksymp)
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{
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switch (keysym)
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{
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case '"': /* 0x022 */
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*ksymp = GDK_dead_diaeresis; break;
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case '\'': /* 0x027 */
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*ksymp = GDK_dead_acute; break;
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case GDK_asciicircum: /* 0x05e */
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*ksymp = GDK_dead_circumflex; break;
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case GDK_grave: /* 0x060 */
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*ksymp = GDK_dead_grave; break;
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case GDK_asciitilde: /* 0x07e */
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*ksymp = GDK_dead_tilde; break;
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case GDK_diaeresis: /* 0x0a8 */
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*ksymp = GDK_dead_diaeresis; break;
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case GDK_degree: /* 0x0b0 */
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*ksymp = GDK_dead_abovering; break;
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case GDK_acute: /* 0x0b4 */
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*ksymp = GDK_dead_acute; break;
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case GDK_periodcentered: /* 0x0b7 */
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*ksymp = GDK_dead_abovedot; break;
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case GDK_cedilla: /* 0x0b8 */
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*ksymp = GDK_dead_cedilla; break;
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case GDK_breve: /* 0x1a2 */
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*ksymp = GDK_dead_breve; break;
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case GDK_ogonek: /* 0x1b2 */
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*ksymp = GDK_dead_ogonek; break;
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case GDK_caron: /* 0x1b7 */
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*ksymp = GDK_dead_caron; break;
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case GDK_doubleacute: /* 0x1bd */
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*ksymp = GDK_dead_doubleacute; break;
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case GDK_abovedot: /* 0x1ff */
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*ksymp = GDK_dead_abovedot; break;
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case 0x1000384: /* Greek tonos */
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*ksymp = GDK_dead_acute; break;
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case GDK_Greek_accentdieresis: /* 0x7ae */
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*ksymp = GDK_Greek_accentdieresis; break;
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default:
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/* By default use the keysym as such. This takes care of for
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* instance the dead U+09CD (BENGALI VIRAMA) on the ekushey
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* Bengali layout.
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*/
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*ksymp = keysym; break;
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}
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}
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static void
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update_keymap (void)
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{
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static guint current_serial = 0;
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guchar key_state[256];
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guint scancode;
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guint vk;
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gboolean capslock_tested = FALSE;
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if (keysym_tab != NULL && current_serial == _gdk_keymap_serial)
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return;
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current_serial = _gdk_keymap_serial;
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if (keysym_tab == NULL)
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keysym_tab = g_new (guint, 4*256);
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memset (key_state, 0, sizeof (key_state));
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_gdk_keyboard_has_altgr = FALSE;
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gdk_shift_modifiers = GDK_SHIFT_MASK;
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for (vk = 0; vk < 256; vk++)
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{
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if ((scancode = MapVirtualKey (vk, 0)) == 0 &&
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vk != VK_DIVIDE)
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keysym_tab[vk*4+0] =
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keysym_tab[vk*4+1] =
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keysym_tab[vk*4+2] =
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keysym_tab[vk*4+3] = GDK_VoidSymbol;
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else
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{
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gint shift;
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if (vk == VK_RSHIFT)
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_scancode_rshift = scancode;
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key_state[vk] = 0x80;
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for (shift = 0; shift < 4; shift++)
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{
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guint *ksymp = keysym_tab + vk*4 + shift;
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guchar chars[2];
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set_shift_vks (key_state, shift);
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*ksymp = 0;
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/* First, handle those virtual keys that we always want
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* as special GDK_* keysyms, even if ToAsciiEx might
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* turn some them into a ASCII character (like TAB and
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* ESC).
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*/
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handle_special (vk, ksymp, shift);
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if (*ksymp == 0)
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{
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wchar_t wcs[10];
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gint k;
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k = ToUnicodeEx (vk, scancode, key_state,
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wcs, G_N_ELEMENTS (wcs),
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0, _gdk_input_locale);
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#if 0
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g_print ("ToUnicodeEx(%02x, %d: %d): %d, %04x %04x\n",
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vk, scancode, shift, k,
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(k != 0 ? wcs[0] : 0),
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(k >= 2 ? wcs[1] : 0));
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#endif
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if (k == 1)
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*ksymp = gdk_unicode_to_keyval (wcs[0]);
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if (k == 1)
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{
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/* Keysym already stored above */
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}
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else if (k == -1)
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{
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guint keysym = gdk_unicode_to_keyval (wcs[0]);
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/* It is a dead key, and it's has been stored in
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* the keyboard layout's state by
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* ToAsciiEx()/ToUnicodeEx(). Yes, this is an
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* incredibly silly API! Make the keyboard
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* layout forget it by calling
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* ToAsciiEx()/ToUnicodeEx() once more, with the
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* virtual key code and scancode for the
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* spacebar, without shift or AltGr. Otherwise
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* the next call to ToAsciiEx() with a different
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* key would try to combine with the dead key.
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*/
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reset_after_dead (key_state);
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/* Use dead keysyms instead of "undead" ones */
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handle_dead (keysym, ksymp);
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}
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else if (k == 0)
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{
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/* Seems to be necessary to "reset" the keyboard layout
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* in this case, too. Otherwise problems on NT4.
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*/
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reset_after_dead (key_state);
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}
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else
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{
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#if 0
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GDK_NOTE (EVENTS,
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g_print ("ToUnicodeEx returns %d "
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"for vk:%02x, sc:%02x%s%s\n",
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k, vk, scancode,
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(shift&0x1 ? " shift" : ""),
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(shift&0x2 ? " altgr" : "")));
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#endif
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}
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}
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if (*ksymp == 0)
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*ksymp = GDK_VoidSymbol;
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}
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key_state[vk] = 0;
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/* Check if keyboard has an AltGr key by checking if
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* the mapping with Control+Alt is different.
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*/
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if (!_gdk_keyboard_has_altgr)
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if ((keysym_tab[vk*4 + 2] != GDK_VoidSymbol &&
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keysym_tab[vk*4] != keysym_tab[vk*4 + 2]) ||
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(keysym_tab[vk*4 + 3] != GDK_VoidSymbol &&
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keysym_tab[vk*4 + 1] != keysym_tab[vk*4 + 3]))
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_gdk_keyboard_has_altgr = TRUE;
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if (!capslock_tested)
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{
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/* Can we use this virtual key to determine the CapsLock
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* key behaviour: CapsLock or ShiftLock? If it generates
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* keysyms for printable characters and has a shifted
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* keysym that isn't just the upperacase of the
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* unshifted keysym, check the behaviour of VK_CAPITAL.
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*/
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if (g_unichar_isgraph (gdk_keyval_to_unicode (keysym_tab[vk*4 + 0])) &&
|
|
keysym_tab[vk*4 + 1] != keysym_tab[vk*4 + 0] &&
|
|
g_unichar_isgraph (gdk_keyval_to_unicode (keysym_tab[vk*4 + 1])) &&
|
|
keysym_tab[vk*4 + 1] != gdk_keyval_to_upper (keysym_tab[vk*4 + 0]))
|
|
{
|
|
guchar chars[2];
|
|
|
|
capslock_tested = TRUE;
|
|
|
|
key_state[VK_SHIFT] = 0;
|
|
key_state[VK_CONTROL] = key_state[VK_MENU] = 0;
|
|
key_state[VK_CAPITAL] = 1;
|
|
|
|
if (ToAsciiEx (vk, scancode, key_state,
|
|
(LPWORD) chars, 0, _gdk_input_locale) == 1)
|
|
{
|
|
if (chars[0] >= GDK_space &&
|
|
chars[0] <= GDK_asciitilde &&
|
|
chars[0] == keysym_tab[vk*4 + 1])
|
|
{
|
|
/* CapsLock acts as ShiftLock */
|
|
gdk_shift_modifiers |= GDK_LOCK_MASK;
|
|
}
|
|
}
|
|
key_state[VK_CAPITAL] = 0;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
GDK_NOTE (EVENTS, print_keysym_tab ());
|
|
}
|
|
|
|
GdkKeymap*
|
|
gdk_keymap_get_for_display (GdkDisplay *display)
|
|
{
|
|
g_return_val_if_fail (display == gdk_display_get_default (), NULL);
|
|
|
|
if (default_keymap == NULL)
|
|
default_keymap = g_object_new (gdk_keymap_get_type (), NULL);
|
|
|
|
return default_keymap;
|
|
}
|
|
|
|
PangoDirection
|
|
gdk_keymap_get_direction (GdkKeymap *keymap)
|
|
{
|
|
update_keymap ();
|
|
|
|
switch (PRIMARYLANGID (LOWORD ((DWORD) _gdk_input_locale)))
|
|
{
|
|
case LANG_HEBREW:
|
|
case LANG_ARABIC:
|
|
#ifdef LANG_URDU
|
|
case LANG_URDU:
|
|
#endif
|
|
case LANG_FARSI:
|
|
/* Others? */
|
|
return PANGO_DIRECTION_RTL;
|
|
|
|
default:
|
|
return PANGO_DIRECTION_LTR;
|
|
}
|
|
}
|
|
|
|
gboolean
|
|
gdk_keymap_get_entries_for_keyval (GdkKeymap *keymap,
|
|
guint keyval,
|
|
GdkKeymapKey **keys,
|
|
gint *n_keys)
|
|
{
|
|
GArray *retval;
|
|
|
|
g_return_val_if_fail (keymap == NULL || GDK_IS_KEYMAP (keymap), FALSE);
|
|
g_return_val_if_fail (keys != NULL, FALSE);
|
|
g_return_val_if_fail (n_keys != NULL, FALSE);
|
|
g_return_val_if_fail (keyval != 0, FALSE);
|
|
|
|
retval = g_array_new (FALSE, FALSE, sizeof (GdkKeymapKey));
|
|
|
|
/* Accept only the default keymap */
|
|
if (keymap == NULL || keymap == gdk_keymap_get_default ())
|
|
{
|
|
gint vk;
|
|
|
|
update_keymap ();
|
|
|
|
for (vk = 0; vk < 256; vk++)
|
|
{
|
|
gint i;
|
|
|
|
for (i = 0; i < 4; i++)
|
|
{
|
|
if (keysym_tab[vk*4+i] == keyval)
|
|
{
|
|
GdkKeymapKey key;
|
|
|
|
key.keycode = vk;
|
|
|
|
/* 2 levels (normal, shift), two groups (normal, AltGr) */
|
|
key.group = i / 2;
|
|
key.level = i % 2;
|
|
|
|
g_array_append_val (retval, key);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
#ifdef G_ENABLE_DEBUG
|
|
if (_gdk_debug_flags & GDK_DEBUG_EVENTS)
|
|
{
|
|
gint i;
|
|
|
|
g_print ("gdk_keymap_get_entries_for_keyval: %#.04x (%s):",
|
|
keyval, gdk_keyval_name (keyval));
|
|
for (i = 0; i < retval->len; i++)
|
|
{
|
|
GdkKeymapKey *entry = (GdkKeymapKey *) retval->data + i;
|
|
g_print (" %#.02x %d %d", entry->keycode, entry->group, entry->level);
|
|
}
|
|
g_print ("\n");
|
|
}
|
|
#endif
|
|
|
|
if (retval->len > 0)
|
|
{
|
|
*keys = (GdkKeymapKey*) retval->data;
|
|
*n_keys = retval->len;
|
|
}
|
|
else
|
|
{
|
|
*keys = NULL;
|
|
*n_keys = 0;
|
|
}
|
|
|
|
g_array_free (retval, retval->len > 0 ? FALSE : TRUE);
|
|
|
|
return *n_keys > 0;
|
|
}
|
|
|
|
gboolean
|
|
gdk_keymap_get_entries_for_keycode (GdkKeymap *keymap,
|
|
guint hardware_keycode,
|
|
GdkKeymapKey **keys,
|
|
guint **keyvals,
|
|
gint *n_entries)
|
|
{
|
|
GArray *key_array;
|
|
GArray *keyval_array;
|
|
|
|
g_return_val_if_fail (keymap == NULL || GDK_IS_KEYMAP (keymap), FALSE);
|
|
g_return_val_if_fail (n_entries != NULL, FALSE);
|
|
|
|
if (hardware_keycode <= 0 ||
|
|
hardware_keycode >= 256)
|
|
{
|
|
if (keys)
|
|
*keys = NULL;
|
|
if (keyvals)
|
|
*keyvals = NULL;
|
|
|
|
*n_entries = 0;
|
|
return FALSE;
|
|
}
|
|
|
|
if (keys)
|
|
key_array = g_array_new (FALSE, FALSE, sizeof (GdkKeymapKey));
|
|
else
|
|
key_array = NULL;
|
|
|
|
if (keyvals)
|
|
keyval_array = g_array_new (FALSE, FALSE, sizeof (guint));
|
|
else
|
|
keyval_array = NULL;
|
|
|
|
/* Accept only the default keymap */
|
|
if (keymap == NULL || keymap == gdk_keymap_get_default ())
|
|
{
|
|
gint i;
|
|
|
|
update_keymap ();
|
|
|
|
for (i = 0; i < 4; i++)
|
|
{
|
|
if (key_array)
|
|
{
|
|
GdkKeymapKey key;
|
|
|
|
key.keycode = hardware_keycode;
|
|
|
|
key.group = i / 2;
|
|
key.level = i % 2;
|
|
|
|
g_array_append_val (key_array, key);
|
|
}
|
|
|
|
if (keyval_array)
|
|
g_array_append_val (keyval_array, keysym_tab[hardware_keycode*4+i]);
|
|
}
|
|
}
|
|
|
|
if ((key_array && key_array->len > 0) ||
|
|
(keyval_array && keyval_array->len > 0))
|
|
{
|
|
if (keys)
|
|
*keys = (GdkKeymapKey*) key_array->data;
|
|
|
|
if (keyvals)
|
|
*keyvals = (guint*) keyval_array->data;
|
|
|
|
if (key_array)
|
|
*n_entries = key_array->len;
|
|
else
|
|
*n_entries = keyval_array->len;
|
|
}
|
|
else
|
|
{
|
|
if (keys)
|
|
*keys = NULL;
|
|
|
|
if (keyvals)
|
|
*keyvals = NULL;
|
|
|
|
*n_entries = 0;
|
|
}
|
|
|
|
if (key_array)
|
|
g_array_free (key_array, key_array->len > 0 ? FALSE : TRUE);
|
|
if (keyval_array)
|
|
g_array_free (keyval_array, keyval_array->len > 0 ? FALSE : TRUE);
|
|
|
|
return *n_entries > 0;
|
|
}
|
|
|
|
guint
|
|
gdk_keymap_lookup_key (GdkKeymap *keymap,
|
|
const GdkKeymapKey *key)
|
|
{
|
|
guint sym;
|
|
|
|
g_return_val_if_fail (keymap == NULL || GDK_IS_KEYMAP (keymap), 0);
|
|
g_return_val_if_fail (key != NULL, 0);
|
|
g_return_val_if_fail (key->group < 4, 0);
|
|
|
|
/* Accept only the default keymap */
|
|
if (keymap != NULL && keymap != gdk_keymap_get_default ())
|
|
return 0;
|
|
|
|
update_keymap ();
|
|
|
|
if (key->keycode >= 256 ||
|
|
key->group < 0 || key->group >= 2 ||
|
|
key->level < 0 || key->level >= 2)
|
|
return 0;
|
|
|
|
sym = keysym_tab[key->keycode*4 + key->group*2 + key->level];
|
|
|
|
if (sym == GDK_VoidSymbol)
|
|
return 0;
|
|
else
|
|
return sym;
|
|
}
|
|
|
|
gboolean
|
|
gdk_keymap_translate_keyboard_state (GdkKeymap *keymap,
|
|
guint hardware_keycode,
|
|
GdkModifierType state,
|
|
gint group,
|
|
guint *keyval,
|
|
gint *effective_group,
|
|
gint *level,
|
|
GdkModifierType *consumed_modifiers)
|
|
{
|
|
guint tmp_keyval;
|
|
guint *keyvals;
|
|
gint shift_level;
|
|
gboolean ignore_shift = FALSE;
|
|
gboolean ignore_group = FALSE;
|
|
|
|
g_return_val_if_fail (keymap == NULL || GDK_IS_KEYMAP (keymap), FALSE);
|
|
g_return_val_if_fail (group < 4, FALSE);
|
|
|
|
#if 0
|
|
GDK_NOTE (EVENTS, g_print ("gdk_keymap_translate_keyboard_state: keycode=%#x state=%#x group=%d\n",
|
|
hardware_keycode, state, group));
|
|
#endif
|
|
if (keyval)
|
|
*keyval = 0;
|
|
if (effective_group)
|
|
*effective_group = 0;
|
|
if (level)
|
|
*level = 0;
|
|
if (consumed_modifiers)
|
|
*consumed_modifiers = 0;
|
|
|
|
/* Accept only the default keymap */
|
|
if (keymap != NULL && keymap != gdk_keymap_get_default ())
|
|
return FALSE;
|
|
|
|
if (hardware_keycode >= 256)
|
|
return FALSE;
|
|
|
|
if (group < 0 || group >= 2)
|
|
return FALSE;
|
|
|
|
update_keymap ();
|
|
|
|
keyvals = keysym_tab + hardware_keycode*4;
|
|
|
|
if ((state & GDK_LOCK_MASK) &&
|
|
(state & GDK_SHIFT_MASK) &&
|
|
((gdk_shift_modifiers & GDK_LOCK_MASK) ||
|
|
(keyvals[group*2 + 1] == gdk_keyval_to_upper (keyvals[group*2 + 0]))))
|
|
/* Shift always disables ShiftLock. Shift disables CapsLock for
|
|
* keys with lowercase/uppercase letter pairs.
|
|
*/
|
|
shift_level = 0;
|
|
else if (state & gdk_shift_modifiers)
|
|
shift_level = 1;
|
|
else
|
|
shift_level = 0;
|
|
|
|
/* Drop group and shift if there are no keysymbols on
|
|
* the key for those.
|
|
*/
|
|
if (shift_level == 1 &&
|
|
keyvals[group*2 + 1] == GDK_VoidSymbol &&
|
|
keyvals[group*2] != GDK_VoidSymbol)
|
|
{
|
|
shift_level = 0;
|
|
ignore_shift = TRUE;
|
|
}
|
|
|
|
if (group == 1 &&
|
|
keyvals[2 + shift_level] == GDK_VoidSymbol &&
|
|
keyvals[0 + shift_level] != GDK_VoidSymbol)
|
|
{
|
|
group = 0;
|
|
ignore_group = TRUE;
|
|
}
|
|
|
|
if (keyvals[group *2 + shift_level] == GDK_VoidSymbol &&
|
|
keyvals[0 + 0] != GDK_VoidSymbol)
|
|
{
|
|
shift_level = 0;
|
|
group = 0;
|
|
ignore_group = TRUE;
|
|
ignore_shift = TRUE;
|
|
}
|
|
|
|
/* See whether the group and shift level actually mattered
|
|
* to know what to put in consumed_modifiers
|
|
*/
|
|
if (keyvals[group*2 + 1] == GDK_VoidSymbol ||
|
|
keyvals[group*2 + 0] == keyvals[group*2 + 1])
|
|
ignore_shift = TRUE;
|
|
|
|
if (keyvals[2 + shift_level] == GDK_VoidSymbol ||
|
|
keyvals[0 + shift_level] == keyvals[2 + shift_level])
|
|
ignore_group = TRUE;
|
|
|
|
tmp_keyval = keyvals[group*2 + shift_level];
|
|
|
|
/* If a true CapsLock is toggled, and Shift is not down,
|
|
* and the shifted keysym is the uppercase of the unshifted,
|
|
* use it.
|
|
*/
|
|
if (!(gdk_shift_modifiers & GDK_LOCK_MASK) &&
|
|
!(state & GDK_SHIFT_MASK) &&
|
|
(state & GDK_LOCK_MASK))
|
|
{
|
|
guint upper = gdk_keyval_to_upper (tmp_keyval);
|
|
if (upper == keyvals[group*2 + 1])
|
|
tmp_keyval = upper;
|
|
}
|
|
|
|
if (keyval)
|
|
*keyval = tmp_keyval;
|
|
|
|
if (effective_group)
|
|
*effective_group = group;
|
|
|
|
if (level)
|
|
*level = shift_level;
|
|
|
|
if (consumed_modifiers)
|
|
{
|
|
*consumed_modifiers =
|
|
(ignore_group ? 0 : GDK_MOD2_MASK) |
|
|
(ignore_shift ? 0 : (GDK_SHIFT_MASK|GDK_LOCK_MASK));
|
|
}
|
|
|
|
#if 0
|
|
GDK_NOTE (EVENTS, g_print ("... group=%d level=%d cmods=%#x keyval=%s\n",
|
|
group, shift_level, tmp_modifiers, gdk_keyval_name (tmp_keyval)));
|
|
#endif
|
|
|
|
return tmp_keyval != GDK_VoidSymbol;
|
|
}
|