forked from AuroraMiddleware/gtk
638 lines
15 KiB
C
638 lines
15 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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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:\n");
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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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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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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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for (vk = 0; vk < 256; vk++)
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{
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if ((scancode = MapVirtualKey (vk, 0)) == 0)
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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 i, k;
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key_state[vk] = 0x80;
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for (i = 0; i < 4; i++)
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{
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guint *ksymp = keysym_tab + vk*4 + i;
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guchar chars[2];
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switch (i)
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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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*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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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 (i & 1)
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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_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_DECIMAL:
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*ksymp = GDK_KP_Decimal; break;
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case VK_DIVIDE:
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*ksymp = GDK_KP_Divide; 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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if (*ksymp == 0)
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{
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if ((k = ToAsciiEx (vk, scancode, key_state,
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(LPWORD) chars, 0,
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_gdk_input_locale)) == 1)
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{
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if (_gdk_input_codepage == 1252 &&
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chars[0] >= GDK_space && chars[0] <= GDK_asciitilde)
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*ksymp = chars[0];
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else
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{
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wchar_t wcs[1];
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if (MultiByteToWideChar (_gdk_input_codepage, 0,
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chars, 1, wcs, 1) > 0)
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*ksymp = gdk_unicode_to_keyval (wcs[0]);
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}
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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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}
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}
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GDK_NOTE (EVENTS, print_keysym_tab ());
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}
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GdkKeymap*
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gdk_keymap_get_for_display (GdkDisplay *display)
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{
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g_return_val_if_fail (display == gdk_display_get_default (), NULL);
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if (default_keymap == NULL)
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default_keymap = g_object_new (gdk_keymap_get_type (), NULL);
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return default_keymap;
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}
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PangoDirection
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gdk_keymap_get_direction (GdkKeymap *keymap)
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{
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update_keymap ();
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switch (PRIMARYLANGID (LOWORD ((DWORD) _gdk_input_locale)))
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{
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case LANG_HEBREW:
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case LANG_ARABIC:
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/* Not 100% sure about these */
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#ifdef LANG_URDU
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case LANG_URDU:
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#endif
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case LANG_FARSI:
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/* Others? */
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return PANGO_DIRECTION_RTL;
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default:
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return PANGO_DIRECTION_LTR;
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}
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}
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gboolean
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gdk_keymap_get_entries_for_keyval (GdkKeymap *keymap,
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guint keyval,
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GdkKeymapKey **keys,
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gint *n_keys)
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{
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GArray *retval;
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g_return_val_if_fail (keymap == NULL || GDK_IS_KEYMAP (keymap), FALSE);
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g_return_val_if_fail (keys != NULL, FALSE);
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g_return_val_if_fail (n_keys != NULL, FALSE);
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g_return_val_if_fail (keyval != 0, FALSE);
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retval = g_array_new (FALSE, FALSE, sizeof (GdkKeymapKey));
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/* Accept only the default keymap */
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if (keymap == NULL || keymap == gdk_keymap_get_default ())
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{
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gint vk;
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update_keymap ();
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for (vk = 0; vk < 256; vk++)
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{
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gint i;
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for (i = 0; i < 4; i++)
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{
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if (keysym_tab[vk*4+i] == keyval)
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{
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GdkKeymapKey key;
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key.keycode = vk;
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/* 2 levels (normal, shift), two groups (normal, AltGr) */
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key.group = i / 2;
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key.level = i % 2;
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g_array_append_val (retval, key);
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}
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}
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}
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}
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#ifdef G_ENABLE_DEBUG
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if (_gdk_debug_flags & GDK_DEBUG_EVENTS)
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{
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gint i;
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g_print ("gdk_keymap_get_entries_for_keyval: %#.04x (%s):",
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keyval, gdk_keyval_name (keyval));
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for (i = 0; i < retval->len; i++)
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{
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GdkKeymapKey *entry = (GdkKeymapKey *) retval->data + i;
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g_print (" %#.02x %d %d", entry->keycode, entry->group, entry->level);
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}
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g_print ("\n");
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}
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#endif
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if (retval->len > 0)
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{
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*keys = (GdkKeymapKey*) retval->data;
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*n_keys = retval->len;
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}
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else
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{
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*keys = NULL;
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*n_keys = 0;
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}
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g_array_free (retval, retval->len > 0 ? FALSE : TRUE);
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return *n_keys > 0;
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}
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gboolean
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gdk_keymap_get_entries_for_keycode (GdkKeymap *keymap,
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guint hardware_keycode,
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GdkKeymapKey **keys,
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guint **keyvals,
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gint *n_entries)
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{
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GArray *key_array;
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GArray *keyval_array;
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g_return_val_if_fail (keymap == NULL || GDK_IS_KEYMAP (keymap), FALSE);
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g_return_val_if_fail (n_entries != NULL, FALSE);
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if (hardware_keycode <= 0 ||
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hardware_keycode >= 256)
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{
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if (keys)
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*keys = NULL;
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if (keyvals)
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*keyvals = NULL;
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*n_entries = 0;
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return FALSE;
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}
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if (keys)
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key_array = g_array_new (FALSE, FALSE, sizeof (GdkKeymapKey));
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else
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key_array = NULL;
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if (keyvals)
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keyval_array = g_array_new (FALSE, FALSE, sizeof (guint));
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else
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keyval_array = NULL;
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/* Accept only the default keymap */
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if (keymap == NULL || keymap == gdk_keymap_get_default ())
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{
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gint i;
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update_keymap ();
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for (i = 0; i < 4; i++)
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{
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if (key_array)
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{
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GdkKeymapKey key;
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key.keycode = hardware_keycode;
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key.group = i / 2;
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key.level = i % 2;
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g_array_append_val (key_array, key);
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}
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if (keyval_array)
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g_array_append_val (keyval_array, keysym_tab[hardware_keycode*4+i]);
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}
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}
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if ((key_array && key_array->len > 0) ||
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(keyval_array && keyval_array->len > 0))
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{
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if (keys)
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*keys = (GdkKeymapKey*) key_array->data;
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if (keyvals)
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*keyvals = (guint*) keyval_array->data;
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if (key_array)
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*n_entries = key_array->len;
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else
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*n_entries = keyval_array->len;
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}
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else
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{
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if (keys)
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*keys = NULL;
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if (keyvals)
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*keyvals = NULL;
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*n_entries = 0;
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}
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if (key_array)
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g_array_free (key_array, key_array->len > 0 ? FALSE : TRUE);
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if (keyval_array)
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g_array_free (keyval_array, keyval_array->len > 0 ? FALSE : TRUE);
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return *n_entries > 0;
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}
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guint
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gdk_keymap_lookup_key (GdkKeymap *keymap,
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const GdkKeymapKey *key)
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{
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guint sym;
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g_return_val_if_fail (keymap == NULL || GDK_IS_KEYMAP (keymap), 0);
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g_return_val_if_fail (key != NULL, 0);
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g_return_val_if_fail (key->group < 4, 0);
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/* Accept only the default keymap */
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if (keymap != NULL && keymap != gdk_keymap_get_default ())
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return 0;
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update_keymap ();
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if (key->keycode >= 256 ||
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key->group < 0 || key->group >= 2 ||
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key->level < 0 || key->level >= 2)
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return 0;
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sym = keysym_tab[key->keycode*4 + key->group*2 + key->level];
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if (sym == GDK_VoidSymbol)
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return 0;
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else
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return sym;
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}
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gboolean
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gdk_keymap_translate_keyboard_state (GdkKeymap *keymap,
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guint hardware_keycode,
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GdkModifierType state,
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gint group,
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guint *keyval,
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gint *effective_group,
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gint *level,
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GdkModifierType *consumed_modifiers)
|
|
{
|
|
guint tmp_keyval;
|
|
guint tmp_modifiers;
|
|
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);
|
|
|
|
GDK_NOTE (EVENTS, g_print ("gdk_keymap_translate_keyboard_state: keycode=%#x state=%#x group=%d\n",
|
|
hardware_keycode, state, group));
|
|
|
|
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;
|
|
|
|
if ((state & GDK_SHIFT_MASK) && (state & GDK_LOCK_MASK))
|
|
shift_level = 0; /* shift disables shift lock */
|
|
else if ((state & GDK_SHIFT_MASK) || (state & GDK_LOCK_MASK))
|
|
shift_level = 1;
|
|
else
|
|
shift_level = 0;
|
|
|
|
update_keymap ();
|
|
|
|
keyvals = keysym_tab + hardware_keycode*4;
|
|
|
|
/* 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];
|
|
|
|
tmp_modifiers = ignore_group ? 0 : GDK_MOD2_MASK;
|
|
tmp_modifiers |= ignore_shift ? 0 : (GDK_SHIFT_MASK | GDK_LOCK_MASK);
|
|
|
|
if (effective_group)
|
|
*effective_group = group;
|
|
|
|
if (level)
|
|
*level = shift_level;
|
|
|
|
if (consumed_modifiers)
|
|
*consumed_modifiers = tmp_modifiers;
|
|
|
|
if (keyval)
|
|
*keyval = tmp_keyval;
|
|
|
|
GDK_NOTE (EVENTS, g_print ("...group=%d level=%d cmods=%#x keyval=%s\n",
|
|
group, shift_level, tmp_modifiers, gdk_keyval_name (tmp_keyval)));
|
|
|
|
return tmp_keyval != GDK_VoidSymbol;
|
|
}
|