150 lines
3.9 KiB
C
150 lines
3.9 KiB
C
/**
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* FreeRDP: A Remote Desktop Protocol Implementation
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* Keyboard Localization
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*
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* Copyright 2009-2012 Marc-Andre Moreau <marcandre.moreau@gmail.com>
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#ifdef HAVE_CONFIG_H
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#include "config.h"
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#endif
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#include <stdio.h>
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#include <string.h>
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#include <winpr/crt.h>
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#include <freerdp/types.h>
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#include <freerdp/locale/keyboard.h>
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#include <freerdp/locale/locale.h>
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#include "liblocale.h"
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#ifdef WITH_X11
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#include "keyboard_x11.h"
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#ifdef WITH_XKBFILE
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#include "keyboard_xkbfile.h"
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#endif
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#endif
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DWORD VIRTUAL_SCANCODE_TO_X11_KEYCODE[256][2];
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DWORD X11_KEYCODE_TO_VIRTUAL_SCANCODE[256];
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int freerdp_detect_keyboard(DWORD* keyboardLayoutId)
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{
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#ifdef WITH_X11
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if (*keyboardLayoutId == 0)
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freerdp_detect_keyboard_layout_from_xkb(keyboardLayoutId);
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#endif
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if (*keyboardLayoutId == 0)
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freerdp_detect_keyboard_layout_from_system_locale(keyboardLayoutId);
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if (*keyboardLayoutId == 0)
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*keyboardLayoutId = ENGLISH_UNITED_STATES;
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return 0;
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}
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int freerdp_keyboard_init_apple(DWORD* keyboardLayoutId, DWORD x11_keycode_to_rdp_scancode[256])
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{
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DWORD vkcode;
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DWORD keycode;
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DWORD keycode_to_vkcode[256];
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ZeroMemory(keycode_to_vkcode, sizeof(keycode_to_vkcode));
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for (keycode = 0; keycode < 256; keycode++)
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{
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vkcode = keycode_to_vkcode[keycode] = GetVirtualKeyCodeFromKeycode(keycode, KEYCODE_TYPE_APPLE);
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x11_keycode_to_rdp_scancode[keycode] = GetVirtualScanCodeFromVirtualKeyCode(vkcode, 4);
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}
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return 0;
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}
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int freerdp_keyboard_init_x11_evdev(DWORD* keyboardLayoutId, DWORD x11_keycode_to_rdp_scancode[256])
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{
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DWORD vkcode;
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DWORD keycode;
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DWORD keycode_to_vkcode[256];
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ZeroMemory(keycode_to_vkcode, sizeof(keycode_to_vkcode));
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for (keycode = 0; keycode < 256; keycode++)
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{
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vkcode = keycode_to_vkcode[keycode] = GetVirtualKeyCodeFromKeycode(keycode, KEYCODE_TYPE_EVDEV);
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x11_keycode_to_rdp_scancode[keycode] = GetVirtualScanCodeFromVirtualKeyCode(vkcode, 4);
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}
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return 0;
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}
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DWORD freerdp_keyboard_init(DWORD keyboardLayoutId)
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{
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DWORD keycode;
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int status = -1;
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#ifdef __APPLE__
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if (status < 0)
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status = freerdp_keyboard_init_apple(&keyboardLayoutId, X11_KEYCODE_TO_VIRTUAL_SCANCODE);
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#endif
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#ifdef WITH_X11
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#ifdef WITH_XKBFILE
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if (status < 0)
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status = freerdp_keyboard_init_xkbfile(&keyboardLayoutId, X11_KEYCODE_TO_VIRTUAL_SCANCODE);
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#endif
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if (status < 0)
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status = freerdp_keyboard_init_x11_evdev(&keyboardLayoutId, X11_KEYCODE_TO_VIRTUAL_SCANCODE);
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#endif
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freerdp_detect_keyboard(&keyboardLayoutId);
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ZeroMemory(VIRTUAL_SCANCODE_TO_X11_KEYCODE, sizeof(VIRTUAL_SCANCODE_TO_X11_KEYCODE));
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for (keycode = 0; keycode < ARRAYSIZE(VIRTUAL_SCANCODE_TO_X11_KEYCODE); keycode++)
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{
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VIRTUAL_SCANCODE_TO_X11_KEYCODE
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[RDP_SCANCODE_CODE(X11_KEYCODE_TO_VIRTUAL_SCANCODE[keycode])]
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[RDP_SCANCODE_EXTENDED(X11_KEYCODE_TO_VIRTUAL_SCANCODE[keycode]) ? 1 : 0] = keycode;
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}
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return keyboardLayoutId;
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}
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DWORD freerdp_keyboard_get_rdp_scancode_from_x11_keycode(DWORD keycode)
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{
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DEBUG_KBD("x11 keycode: %02X -> rdp code: %02X%s", keycode,
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RDP_SCANCODE_CODE(X11_KEYCODE_TO_VIRTUAL_SCANCODE[keycode]),
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RDP_SCANCODE_EXTENDED(X11_KEYCODE_TO_VIRTUAL_SCANCODE[keycode]) ? " extended" : "");
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return X11_KEYCODE_TO_VIRTUAL_SCANCODE[keycode];
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}
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DWORD freerdp_keyboard_get_x11_keycode_from_rdp_scancode(DWORD scancode, BOOL extended)
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{
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if (extended)
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return VIRTUAL_SCANCODE_TO_X11_KEYCODE[scancode][1];
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else
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return VIRTUAL_SCANCODE_TO_X11_KEYCODE[scancode][0];
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}
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