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SDL_windowskeyboard.c
1542 lines (1354 loc) · 50.9 KB
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/*
SDL - Simple DirectMedia Layer
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Copyright (C) 1997-2010 Sam Lantinga
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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 2.1 of the License, or (at your option) any later version.
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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
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
License along with this library; if not, write to the Free Software
Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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Sam Lantinga
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slouken@libsdl.org
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*/
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#include "SDL_config.h"
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#ifdef _WIN32_WCE
#define SDL_DISABLE_WINDOWS_IME
#endif
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#include "SDL_windowsvideo.h"
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#include "../../events/SDL_keyboard_c.h"
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#include "../../events/scancodes_windows.h"
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#include <imm.h>
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#include <oleauto.h>
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#ifndef SDL_DISABLE_WINDOWS_IME
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static void IME_Init(SDL_VideoData *videodata, HWND hwnd);
static void IME_Enable(SDL_VideoData *videodata, HWND hwnd);
static void IME_Disable(SDL_VideoData *videodata, HWND hwnd);
static void IME_Quit(SDL_VideoData *videodata);
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#endif /* !SDL_DISABLE_WINDOWS_IME */
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#ifndef MAPVK_VK_TO_VSC
#define MAPVK_VK_TO_VSC 0
#endif
#ifndef MAPVK_VSC_TO_VK
#define MAPVK_VSC_TO_VK 1
#endif
#ifndef MAPVK_VK_TO_CHAR
#define MAPVK_VK_TO_CHAR 2
#endif
/* Alphabetic scancodes for PC keyboards */
BYTE alpha_scancodes[26] = {
30, 48, 46, 32, 18, 33, 34, 35, 23, 36, 37, 38, 50, 49, 24,
25, 16, 19, 31, 20, 22, 47, 17, 45, 21, 44
};
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BYTE keypad_scancodes[10] = {
82, 79, 80, 81, 75, 76, 77, 71, 72, 73
};
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void
WIN_InitKeyboard(_THIS)
{
SDL_VideoData *data = (SDL_VideoData *) _this->driverdata;
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int i;
/* Make sure the alpha scancodes are correct. T isn't usually remapped */
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if (MapVirtualKey('T', MAPVK_VK_TO_VSC) != alpha_scancodes['T' - 'A']) {
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#if 0
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printf
("Fixing alpha scancode map, assuming US QWERTY layout!\nPlease send the following 26 lines of output to the SDL mailing list <sdl@libsdl.org>, including a description of your keyboard hardware.\n");
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#endif
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for (i = 0; i < SDL_arraysize(alpha_scancodes); ++i) {
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alpha_scancodes[i] = MapVirtualKey('A' + i, MAPVK_VK_TO_VSC);
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#if 0
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printf("%d = %d\n", i, alpha_scancodes[i]);
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#endif
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}
}
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if (MapVirtualKey(VK_NUMPAD0, MAPVK_VK_TO_VSC) != keypad_scancodes[0]) {
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#if 0
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printf
("Fixing keypad scancode map!\nPlease send the following 10 lines of output to the SDL mailing list <sdl@libsdl.org>, including a description of your keyboard hardware.\n");
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#endif
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for (i = 0; i < SDL_arraysize(keypad_scancodes); ++i) {
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keypad_scancodes[i] =
MapVirtualKey(VK_NUMPAD0 + i, MAPVK_VK_TO_VSC);
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#if 0
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printf("%d = %d\n", i, keypad_scancodes[i]);
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#endif
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}
}
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data->key_layout = windows_scancode_table;
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data->ime_com_initialized = SDL_FALSE;
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data->ime_threadmgr = 0;
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data->ime_initialized = SDL_FALSE;
data->ime_enabled = SDL_FALSE;
data->ime_available = SDL_FALSE;
data->ime_hwnd_main = 0;
data->ime_hwnd_current = 0;
data->ime_himc = 0;
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data->ime_composition[0] = 0;
data->ime_readingstring[0] = 0;
data->ime_cursor = 0;
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data->ime_candlist = SDL_FALSE;
SDL_memset(data->ime_candidates, 0, sizeof(data->ime_candidates));
data->ime_candcount = 0;
data->ime_candref = 0;
data->ime_candsel = 0;
data->ime_candpgsize = 0;
data->ime_candlistindexbase = 0;
data->ime_candvertical = SDL_TRUE;
data->ime_dirty = SDL_FALSE;
SDL_memset(&data->ime_rect, 0, sizeof(data->ime_rect));
SDL_memset(&data->ime_candlistrect, 0, sizeof(data->ime_candlistrect));
data->ime_winwidth = 0;
data->ime_winheight = 0;
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data->ime_hkl = 0;
data->ime_himm32 = 0;
data->GetReadingString = 0;
data->ShowReadingWindow = 0;
data->ImmLockIMC = 0;
data->ImmUnlockIMC = 0;
data->ImmLockIMCC = 0;
data->ImmUnlockIMCC = 0;
data->ime_uiless = SDL_FALSE;
data->ime_threadmgrex = 0;
data->ime_uielemsinkcookie = TF_INVALID_COOKIE;
data->ime_alpnsinkcookie = TF_INVALID_COOKIE;
data->ime_openmodesinkcookie = TF_INVALID_COOKIE;
data->ime_convmodesinkcookie = TF_INVALID_COOKIE;
data->ime_uielemsink = 0;
data->ime_ippasink = 0;
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WIN_UpdateKeymap();
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SDL_SetScancodeName(SDL_SCANCODE_APPLICATION, "Menu");
SDL_SetScancodeName(SDL_SCANCODE_LGUI, "Left Windows");
SDL_SetScancodeName(SDL_SCANCODE_RGUI, "Right Windows");
}
void
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WIN_UpdateKeymap()
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{
int i;
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SDL_Scancode scancode;
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SDLKey keymap[SDL_NUM_SCANCODES];
SDL_GetDefaultKeymap(keymap);
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for (i = 0; i < SDL_arraysize(windows_scancode_table); i++) {
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/* Make sure this scancode is a valid character scancode */
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scancode = windows_scancode_table[i];
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if (scancode == SDL_SCANCODE_UNKNOWN || keymap[scancode] >= 127) {
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continue;
}
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/* Alphabetic keys are handled specially, since Windows remaps them */
if (i >= 'A' && i <= 'Z') {
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BYTE vsc = alpha_scancodes[i - 'A'];
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keymap[scancode] = MapVirtualKey(vsc, MAPVK_VSC_TO_VK) + 0x20;
} else {
keymap[scancode] = (MapVirtualKey(i, MAPVK_VK_TO_CHAR) & 0x7FFF);
}
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}
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SDL_SetKeymap(0, keymap, SDL_NUM_SCANCODES);
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}
void
WIN_QuitKeyboard(_THIS)
{
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#ifndef SDL_DISABLE_WINDOWS_IME
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IME_Quit((SDL_VideoData *)_this->driverdata);
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#endif
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}
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void
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WIN_StartTextInput(_THIS)
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{
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#ifndef SDL_DISABLE_WINDOWS_IME
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SDL_Window *window = SDL_GetKeyboardFocus();
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if (window) {
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HWND hwnd = ((SDL_WindowData *) window->driverdata)->hwnd;
SDL_VideoData *videodata = (SDL_VideoData *)_this->driverdata;
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SDL_GetWindowSize(window, &videodata->ime_winwidth, &videodata->ime_winheight);
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IME_Init(videodata, hwnd);
IME_Enable(videodata, hwnd);
}
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#endif /* !SDL_DISABLE_WINDOWS_IME */
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}
void
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WIN_StopTextInput(_THIS)
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{
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#ifndef SDL_DISABLE_WINDOWS_IME
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SDL_Window *window = SDL_GetKeyboardFocus();
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if (window) {
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HWND hwnd = ((SDL_WindowData *) window->driverdata)->hwnd;
SDL_VideoData *videodata = (SDL_VideoData *)_this->driverdata;
IME_Init(videodata, hwnd);
IME_Disable(videodata, hwnd);
}
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#endif /* !SDL_DISABLE_WINDOWS_IME */
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}
void
WIN_SetTextInputRect(_THIS, SDL_Rect *rect)
{
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SDL_VideoData *videodata = (SDL_VideoData *)_this->driverdata;
videodata->ime_rect = *rect;
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}
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#ifdef SDL_DISABLE_WINDOWS_IME
SDL_bool
IME_HandleMessage(HWND hwnd, UINT msg, WPARAM wParam, LPARAM *lParam, SDL_VideoData *videodata)
{
return SDL_FALSE;
}
void IME_Present(SDL_VideoData *videodata)
{
}
#else
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#ifdef __GNUC__
#undef DEFINE_GUID
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#define DEFINE_GUID(n,l,w1,w2,b1,b2,b3,b4,b5,b6,b7,b8) static const GUID n = {l,w1,w2,{b1,b2,b3,b4,b5,b6,b7,b8}}
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DEFINE_GUID(IID_ITfInputProcessorProfileActivationSink, 0x71C6E74E,0x0F28,0x11D8,0xA8,0x2A,0x00,0x06,0x5B,0x84,0x43,0x5C);
DEFINE_GUID(IID_ITfUIElementSink, 0xEA1EA136,0x19DF,0x11D7,0xA6,0xD2,0x00,0x06,0x5B,0x84,0x43,0x5C);
DEFINE_GUID(GUID_TFCAT_TIP_KEYBOARD, 0x34745C63,0xB2F0,0x4784,0x8B,0x67,0x5E,0x12,0xC8,0x70,0x1A,0x31);
DEFINE_GUID(IID_ITfSource, 0x4EA48A35,0x60AE,0x446F,0x8F,0xD6,0xE6,0xA8,0xD8,0x24,0x59,0xF7);
DEFINE_GUID(IID_ITfUIElementMgr, 0xEA1EA135,0x19DF,0x11D7,0xA6,0xD2,0x00,0x06,0x5B,0x84,0x43,0x5C);
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DEFINE_GUID(IID_ITfCandidateListUIElement, 0xEA1EA138,0x19DF,0x11D7,0xA6,0xD2,0x00,0x06,0x5B,0x84,0x43,0x5C);
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DEFINE_GUID(IID_ITfReadingInformationUIElement, 0xEA1EA139,0x19DF,0x11D7,0xA6,0xD2,0x00,0x06,0x5B,0x84,0x43,0x5C);
DEFINE_GUID(IID_ITfThreadMgr, 0xAA80E801,0x2021,0x11D2,0x93,0xE0,0x00,0x60,0xB0,0x67,0xB8,0x6E);
DEFINE_GUID(CLSID_TF_ThreadMgr, 0x529A9E6B,0x6587,0x4F23,0xAB,0x9E,0x9C,0x7D,0x68,0x3E,0x3C,0x50);
DEFINE_GUID(IID_ITfThreadMgrEx, 0x3E90ADE3,0x7594,0x4CB0,0xBB,0x58,0x69,0x62,0x8F,0x5F,0x45,0x8C);
#endif
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#define LANG_CHT MAKELANGID(LANG_CHINESE, SUBLANG_CHINESE_TRADITIONAL)
#define LANG_CHS MAKELANGID(LANG_CHINESE, SUBLANG_CHINESE_SIMPLIFIED)
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#define MAKEIMEVERSION(major,minor) ((DWORD) (((BYTE)(major) << 24) | ((BYTE)(minor) << 16) ))
#define IMEID_VER(id) ((id) & 0xffff0000)
#define IMEID_LANG(id) ((id) & 0x0000ffff)
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#define CHT_HKL_DAYI ((HKL)0xE0060404)
#define CHT_HKL_NEW_PHONETIC ((HKL)0xE0080404)
#define CHT_HKL_NEW_CHANG_JIE ((HKL)0xE0090404)
#define CHT_HKL_NEW_QUICK ((HKL)0xE00A0404)
#define CHT_HKL_HK_CANTONESE ((HKL)0xE00B0404)
#define CHT_IMEFILENAME1 "TINTLGNT.IME"
#define CHT_IMEFILENAME2 "CINTLGNT.IME"
#define CHT_IMEFILENAME3 "MSTCIPHA.IME"
#define IMEID_CHT_VER42 (LANG_CHT | MAKEIMEVERSION(4, 2))
#define IMEID_CHT_VER43 (LANG_CHT | MAKEIMEVERSION(4, 3))
#define IMEID_CHT_VER44 (LANG_CHT | MAKEIMEVERSION(4, 4))
#define IMEID_CHT_VER50 (LANG_CHT | MAKEIMEVERSION(5, 0))
#define IMEID_CHT_VER51 (LANG_CHT | MAKEIMEVERSION(5, 1))
#define IMEID_CHT_VER52 (LANG_CHT | MAKEIMEVERSION(5, 2))
#define IMEID_CHT_VER60 (LANG_CHT | MAKEIMEVERSION(6, 0))
#define IMEID_CHT_VER_VISTA (LANG_CHT | MAKEIMEVERSION(7, 0))
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#define CHS_HKL ((HKL)0xE00E0804)
#define CHS_IMEFILENAME1 "PINTLGNT.IME"
#define CHS_IMEFILENAME2 "MSSCIPYA.IME"
#define IMEID_CHS_VER41 (LANG_CHS | MAKEIMEVERSION(4, 1))
#define IMEID_CHS_VER42 (LANG_CHS | MAKEIMEVERSION(4, 2))
#define IMEID_CHS_VER53 (LANG_CHS | MAKEIMEVERSION(5, 3))
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#define LANG() LOWORD((videodata->ime_hkl))
#define PRIMLANG() ((WORD)PRIMARYLANGID(LANG()))
#define SUBLANG() SUBLANGID(LANG())
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static void IME_UpdateInputLocale(SDL_VideoData *videodata);
static void IME_ClearComposition(SDL_VideoData *videodata);
static void IME_SetWindow(SDL_VideoData* videodata, HWND hwnd);
static void IME_SetupAPI(SDL_VideoData *videodata);
static DWORD IME_GetId(SDL_VideoData *videodata, UINT uIndex);
static void IME_SendEditingEvent(SDL_VideoData *videodata);
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static void IME_DestroyTextures(SDL_VideoData *videodata);
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#define SDL_IsEqualIID(riid1, riid2) SDL_IsEqualGUID(riid1, riid2)
#define SDL_IsEqualGUID(rguid1, rguid2) (!SDL_memcmp(rguid1, rguid2, sizeof(GUID)))
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static SDL_bool UILess_SetupSinks(SDL_VideoData *videodata);
static void UILess_ReleaseSinks(SDL_VideoData *videodata);
static void UILess_EnableUIUpdates(SDL_VideoData *videodata);
static void UILess_DisableUIUpdates(SDL_VideoData *videodata);
static void
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IME_Init(SDL_VideoData *videodata, HWND hwnd)
{
if (videodata->ime_initialized)
return;
videodata->ime_hwnd_main = hwnd;
if (SUCCEEDED(CoInitializeEx(NULL, COINIT_APARTMENTTHREADED))) {
videodata->ime_com_initialized = SDL_TRUE;
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CoCreateInstance(&CLSID_TF_ThreadMgr, NULL, CLSCTX_INPROC_SERVER, &IID_ITfThreadMgr, (LPVOID *)&videodata->ime_threadmgr);
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}
videodata->ime_initialized = SDL_TRUE;
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videodata->ime_himm32 = SDL_LoadObject("imm32.dll");
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if (!videodata->ime_himm32) {
videodata->ime_available = SDL_FALSE;
return;
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}
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videodata->ImmLockIMC = (LPINPUTCONTEXT2 (WINAPI *)(HIMC))SDL_LoadFunction(videodata->ime_himm32, "ImmLockIMC");
videodata->ImmUnlockIMC = (BOOL (WINAPI *)(HIMC))SDL_LoadFunction(videodata->ime_himm32, "ImmUnlockIMC");
videodata->ImmLockIMCC = (LPVOID (WINAPI *)(HIMCC))SDL_LoadFunction(videodata->ime_himm32, "ImmLockIMCC");
videodata->ImmUnlockIMCC = (BOOL (WINAPI *)(HIMCC))SDL_LoadFunction(videodata->ime_himm32, "ImmUnlockIMCC");
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IME_SetWindow(videodata, hwnd);
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videodata->ime_himc = ImmGetContext(hwnd);
ImmReleaseContext(hwnd, videodata->ime_himc);
if (!videodata->ime_himc) {
videodata->ime_available = SDL_FALSE;
IME_Disable(videodata, hwnd);
return;
}
videodata->ime_available = SDL_TRUE;
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IME_UpdateInputLocale(videodata);
IME_SetupAPI(videodata);
videodata->ime_uiless = UILess_SetupSinks(videodata);
IME_UpdateInputLocale(videodata);
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IME_Disable(videodata, hwnd);
}
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static void
IME_Enable(SDL_VideoData *videodata, HWND hwnd)
{
if (!videodata->ime_initialized || !videodata->ime_hwnd_current)
return;
if (!videodata->ime_available) {
IME_Disable(videodata, hwnd);
return;
}
if (videodata->ime_hwnd_current == videodata->ime_hwnd_main)
ImmAssociateContext(videodata->ime_hwnd_current, videodata->ime_himc);
videodata->ime_enabled = SDL_TRUE;
IME_UpdateInputLocale(videodata);
UILess_EnableUIUpdates(videodata);
}
static void
IME_Disable(SDL_VideoData *videodata, HWND hwnd)
{
if (!videodata->ime_initialized || !videodata->ime_hwnd_current)
return;
IME_ClearComposition(videodata);
if (videodata->ime_hwnd_current == videodata->ime_hwnd_main)
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ImmAssociateContext(videodata->ime_hwnd_current, (HIMC)0);
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videodata->ime_enabled = SDL_FALSE;
UILess_DisableUIUpdates(videodata);
}
static void
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IME_Quit(SDL_VideoData *videodata)
{
if (!videodata->ime_initialized)
return;
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UILess_ReleaseSinks(videodata);
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if (videodata->ime_hwnd_main)
ImmAssociateContext(videodata->ime_hwnd_main, videodata->ime_himc);
videodata->ime_hwnd_main = 0;
videodata->ime_himc = 0;
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if (videodata->ime_himm32) {
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SDL_UnloadObject(videodata->ime_himm32);
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videodata->ime_himm32 = 0;
}
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if (videodata->ime_threadmgr) {
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videodata->ime_threadmgr->lpVtbl->Release(videodata->ime_threadmgr);
videodata->ime_threadmgr = 0;
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}
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if (videodata->ime_com_initialized) {
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CoUninitialize();
videodata->ime_com_initialized = SDL_FALSE;
}
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IME_DestroyTextures(videodata);
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videodata->ime_initialized = SDL_FALSE;
}
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static void
IME_GetReadingString(SDL_VideoData *videodata, HWND hwnd)
{
DWORD id = 0;
HIMC himc = 0;
WCHAR buffer[16];
WCHAR *s = buffer;
DWORD len = 0;
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INT err = 0;
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BOOL vertical = FALSE;
UINT maxuilen = 0;
static OSVERSIONINFOA osversion = {0};
if (videodata->ime_uiless)
return;
videodata->ime_readingstring[0] = 0;
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if (!osversion.dwOSVersionInfoSize) {
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osversion.dwOSVersionInfoSize = sizeof(osversion);
GetVersionExA(&osversion);
}
id = IME_GetId(videodata, 0);
if (!id)
return;
himc = ImmGetContext(hwnd);
if (!himc)
return;
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if (videodata->GetReadingString) {
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len = videodata->GetReadingString(himc, 0, 0, &err, &vertical, &maxuilen);
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if (len) {
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if (len > SDL_arraysize(buffer))
len = SDL_arraysize(buffer);
len = videodata->GetReadingString(himc, len, s, &err, &vertical, &maxuilen);
}
SDL_wcslcpy(videodata->ime_readingstring, s, len);
}
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else {
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LPINPUTCONTEXT2 lpimc = videodata->ImmLockIMC(himc);
LPBYTE p = 0;
s = 0;
switch (id)
{
case IMEID_CHT_VER42:
case IMEID_CHT_VER43:
case IMEID_CHT_VER44:
p = *(LPBYTE *)((LPBYTE)videodata->ImmLockIMCC(lpimc->hPrivate) + 24);
if (!p)
break;
len = *(DWORD *)(p + 7*4 + 32*4);
s = (WCHAR *)(p + 56);
break;
case IMEID_CHT_VER51:
case IMEID_CHT_VER52:
case IMEID_CHS_VER53:
p = *(LPBYTE *)((LPBYTE)videodata->ImmLockIMCC(lpimc->hPrivate) + 4);
if (!p)
break;
p = *(LPBYTE *)((LPBYTE)p + 1*4 + 5*4);
if (!p)
break;
len = *(DWORD *)(p + 1*4 + (16*2+2*4) + 5*4 + 16*2);
s = (WCHAR *)(p + 1*4 + (16*2+2*4) + 5*4);
break;
case IMEID_CHS_VER41:
{
int offset = (IME_GetId(videodata, 1) >= 0x00000002) ? 8 : 7;
p = *(LPBYTE *)((LPBYTE)videodata->ImmLockIMCC(lpimc->hPrivate) + offset * 4);
if (!p)
break;
len = *(DWORD *)(p + 7*4 + 16*2*4);
s = (WCHAR *)(p + 6*4 + 16*2*1);
}
break;
case IMEID_CHS_VER42:
if (osversion.dwPlatformId != VER_PLATFORM_WIN32_NT)
break;
p = *(LPBYTE *)((LPBYTE)videodata->ImmLockIMCC(lpimc->hPrivate) + 1*4 + 1*4 + 6*4);
if (!p)
break;
len = *(DWORD *)(p + 1*4 + (16*2+2*4) + 5*4 + 16*2);
s = (WCHAR *)(p + 1*4 + (16*2+2*4) + 5*4);
break;
}
if (s)
SDL_wcslcpy(videodata->ime_readingstring, s, len + 1);
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videodata->ImmUnlockIMCC(lpimc->hPrivate);
videodata->ImmUnlockIMC(himc);
}
ImmReleaseContext(hwnd, himc);
IME_SendEditingEvent(videodata);
}
static void
IME_InputLangChanged(SDL_VideoData *videodata)
{
504
UINT lang = PRIMLANG();
505
IME_UpdateInputLocale(videodata);
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if (!videodata->ime_uiless)
videodata->ime_candlistindexbase = (videodata->ime_hkl == CHT_HKL_DAYI) ? 0 : 1;
509
IME_SetupAPI(videodata);
510
if (lang != PRIMLANG()) {
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IME_ClearComposition(videodata);
}
}
static DWORD
IME_GetId(SDL_VideoData *videodata, UINT uIndex)
{
static HKL hklprev = 0;
static DWORD dwRet[2] = {0};
DWORD dwVerSize = 0;
DWORD dwVerHandle = 0;
LPVOID lpVerBuffer = 0;
LPVOID lpVerData = 0;
UINT cbVerData = 0;
char szTemp[256];
HKL hkl = 0;
DWORD dwLang = 0;
if (uIndex >= sizeof(dwRet) / sizeof(dwRet[0]))
return 0;
hkl = videodata->ime_hkl;
if (hklprev == hkl)
return dwRet[uIndex];
hklprev = hkl;
536
dwLang = ((DWORD_PTR)hkl & 0xffff);
537
if (videodata->ime_uiless && LANG() == LANG_CHT) {
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dwRet[0] = IMEID_CHT_VER_VISTA;
dwRet[1] = 0;
return dwRet[0];
}
if (hkl != CHT_HKL_NEW_PHONETIC
&& hkl != CHT_HKL_NEW_CHANG_JIE
&& hkl != CHT_HKL_NEW_QUICK
&& hkl != CHT_HKL_HK_CANTONESE
546
&& hkl != CHS_HKL) {
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549
dwRet[0] = dwRet[1] = 0;
return dwRet[uIndex];
}
550
if (ImmGetIMEFileNameA(hkl, szTemp, sizeof(szTemp) - 1) <= 0) {
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dwRet[0] = dwRet[1] = 0;
return dwRet[uIndex];
}
554
if (!videodata->GetReadingString) {
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559
#define LCID_INVARIANT MAKELCID(MAKELANGID(LANG_ENGLISH, SUBLANG_ENGLISH_US), SORT_DEFAULT)
if (CompareStringA(LCID_INVARIANT, NORM_IGNORECASE, szTemp, -1, CHT_IMEFILENAME1, -1) != 2
&& CompareStringA(LCID_INVARIANT, NORM_IGNORECASE, szTemp, -1, CHT_IMEFILENAME2, -1) != 2
&& CompareStringA(LCID_INVARIANT, NORM_IGNORECASE, szTemp, -1, CHT_IMEFILENAME3, -1) != 2
&& CompareStringA(LCID_INVARIANT, NORM_IGNORECASE, szTemp, -1, CHS_IMEFILENAME1, -1) != 2
560
&& CompareStringA(LCID_INVARIANT, NORM_IGNORECASE, szTemp, -1, CHS_IMEFILENAME2, -1) != 2) {
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dwRet[0] = dwRet[1] = 0;
return dwRet[uIndex];
}
#undef LCID_INVARIANT
dwVerSize = GetFileVersionInfoSizeA(szTemp, &dwVerHandle);
566
if (dwVerSize) {
567
lpVerBuffer = SDL_malloc(dwVerSize);
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if (lpVerBuffer) {
if (GetFileVersionInfoA(szTemp, dwVerHandle, dwVerSize, lpVerBuffer)) {
if (VerQueryValueA(lpVerBuffer, "\\", &lpVerData, &cbVerData)) {
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#define pVerFixedInfo ((VS_FIXEDFILEINFO FAR*)lpVerData)
DWORD dwVer = pVerFixedInfo->dwFileVersionMS;
dwVer = (dwVer & 0x00ff0000) << 8 | (dwVer & 0x000000ff) << 16;
if (videodata->GetReadingString ||
dwLang == LANG_CHT && (
dwVer == MAKEIMEVERSION(4, 2) ||
dwVer == MAKEIMEVERSION(4, 3) ||
dwVer == MAKEIMEVERSION(4, 4) ||
dwVer == MAKEIMEVERSION(5, 0) ||
dwVer == MAKEIMEVERSION(5, 1) ||
dwVer == MAKEIMEVERSION(5, 2) ||
dwVer == MAKEIMEVERSION(6, 0))
||
dwLang == LANG_CHS && (
dwVer == MAKEIMEVERSION(4, 1) ||
dwVer == MAKEIMEVERSION(4, 2) ||
587
dwVer == MAKEIMEVERSION(5, 3))) {
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dwRet[0] = dwVer | dwLang;
dwRet[1] = pVerFixedInfo->dwFileVersionLS;
SDL_free(lpVerBuffer);
return dwRet[0];
}
#undef pVerFixedInfo
}
}
}
SDL_free(lpVerBuffer);
}
}
dwRet[0] = dwRet[1] = 0;
return dwRet[uIndex];
}
static void
IME_SetupAPI(SDL_VideoData *videodata)
{
char ime_file[MAX_PATH + 1];
608
void* hime = 0;
609
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618
HKL hkl = 0;
videodata->GetReadingString = 0;
videodata->ShowReadingWindow = 0;
if (videodata->ime_uiless)
return;
hkl = videodata->ime_hkl;
if (ImmGetIMEFileNameA(hkl, ime_file, sizeof(ime_file) - 1) <= 0)
return;
619
hime = SDL_LoadObject(ime_file);
620
621
622
623
if (!hime)
return;
videodata->GetReadingString = (UINT (WINAPI *)(HIMC, UINT, LPWSTR, PINT, BOOL*, PUINT))
624
SDL_LoadFunction(hime, "GetReadingString");
625
videodata->ShowReadingWindow = (BOOL (WINAPI *)(HIMC, BOOL))
626
SDL_LoadFunction(hime, "ShowReadingWindow");
627
628
if (videodata->ShowReadingWindow) {
629
HIMC himc = ImmGetContext(videodata->ime_hwnd_current);
630
if (himc) {
631
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649
650
651
652
videodata->ShowReadingWindow(himc, FALSE);
ImmReleaseContext(videodata->ime_hwnd_current, himc);
}
}
}
static void
IME_SetWindow(SDL_VideoData* videodata, HWND hwnd)
{
videodata->ime_hwnd_current = hwnd;
if (videodata->ime_threadmgr) {
struct ITfDocumentMgr *document_mgr = 0;
if (SUCCEEDED(videodata->ime_threadmgr->lpVtbl->AssociateFocus(videodata->ime_threadmgr, hwnd, NULL, &document_mgr))) {
if (document_mgr)
document_mgr->lpVtbl->Release(document_mgr);
}
}
}
static void
IME_UpdateInputLocale(SDL_VideoData *videodata)
{
653
static HKL hklprev = 0;
654
videodata->ime_hkl = GetKeyboardLayout(0);
655
if (hklprev == videodata->ime_hkl)
656
657
return;
658
hklprev = videodata->ime_hkl;
659
switch (PRIMLANG()) {
660
661
662
663
664
665
666
667
668
669
670
671
672
case LANG_CHINESE:
videodata->ime_candvertical = SDL_TRUE;
if (SUBLANG() == SUBLANG_CHINESE_SIMPLIFIED)
videodata->ime_candvertical = SDL_FALSE;
break;
case LANG_JAPANESE:
videodata->ime_candvertical = SDL_TRUE;
break;
case LANG_KOREAN:
videodata->ime_candvertical = SDL_FALSE;
break;
}
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681
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688
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691
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693
694
695
696
697
}
static void
IME_ClearComposition(SDL_VideoData *videodata)
{
HIMC himc = 0;
if (!videodata->ime_initialized)
return;
himc = ImmGetContext(videodata->ime_hwnd_current);
if (!himc)
return;
ImmNotifyIME(himc, NI_COMPOSITIONSTR, CPS_CANCEL, 0);
if (videodata->ime_uiless)
ImmSetCompositionString(himc, SCS_SETSTR, TEXT(""), sizeof(TCHAR), TEXT(""), sizeof(TCHAR));
ImmNotifyIME(himc, NI_CLOSECANDIDATE, 0, 0);
ImmReleaseContext(videodata->ime_hwnd_current, himc);
SDL_SendEditingText("", 0, 0);
}
static void
IME_GetCompositionString(SDL_VideoData *videodata, HIMC himc, DWORD string)
{
698
699
700
LONG length = ImmGetCompositionStringW(himc, string, videodata->ime_composition, sizeof(videodata->ime_composition));
if (length < 0)
length = 0;
701
702
length /= sizeof(videodata->ime_composition[0]);
703
videodata->ime_cursor = LOWORD(ImmGetCompositionStringW(himc, GCS_CURSORPOS, 0, 0));
704
if (videodata->ime_composition[videodata->ime_cursor] == 0x3000) {
705
int i;
706
for (i = videodata->ime_cursor + 1; i < length; ++i)
707
708
videodata->ime_composition[i - 1] = videodata->ime_composition[i];
709
--length;
710
}
711
videodata->ime_composition[length] = 0;
712
713
714
715
716
717
718
719
720
721
722
723
724
725
726
727
728
729
730
}
static void
IME_SendInputEvent(SDL_VideoData *videodata)
{
char *s = 0;
s = WIN_StringToUTF8(videodata->ime_composition);
SDL_SendKeyboardText(s);
SDL_free(s);
videodata->ime_composition[0] = 0;
videodata->ime_readingstring[0] = 0;
videodata->ime_cursor = 0;
}
static void
IME_SendEditingEvent(SDL_VideoData *videodata)
{
char *s = 0;
731
732
733
WCHAR buffer[SDL_TEXTEDITINGEVENT_TEXT_SIZE];
buffer[0] = 0;
if (videodata->ime_readingstring[0]) {
734
size_t len = SDL_min(SDL_wcslen(videodata->ime_composition), (size_t)videodata->ime_cursor);
735
736
737
SDL_wcslcpy(buffer, videodata->ime_composition, len + 1);
SDL_wcslcat(buffer, videodata->ime_readingstring, sizeof(buffer));
SDL_wcslcat(buffer, &videodata->ime_composition[len], sizeof(buffer) - len);
738
}
739
740
else {
SDL_wcslcpy(buffer, videodata->ime_composition, sizeof(videodata->ime_composition));
741
}
742
s = WIN_StringToUTF8(buffer);
743
744
745
746
SDL_SendEditingText(s, videodata->ime_cursor + SDL_wcslen(videodata->ime_readingstring), 0);
SDL_free(s);
}
747
748
749
750
751
752
753
754
755
756
757
758
759
760
761
762
763
764
765
static void
IME_AddCandidate(SDL_VideoData *videodata, UINT i, LPCWSTR candidate)
{
LPWSTR dst = videodata->ime_candidates[i];
*dst++ = (WCHAR)(TEXT('0') + ((i + videodata->ime_candlistindexbase) % 10));
if (videodata->ime_candvertical)
*dst++ = TEXT(' ');
while (*candidate && (SDL_arraysize(videodata->ime_candidates[i]) > (dst - videodata->ime_candidates[i])))
*dst++ = *candidate++;
*dst = (WCHAR)'\0';
}
static void
IME_GetCandidateList(HIMC himc, SDL_VideoData *videodata)
{
LPCANDIDATELIST cand_list = 0;
DWORD size = ImmGetCandidateListW(himc, 0, 0, 0);
766
if (size) {
767
cand_list = (LPCANDIDATELIST)SDL_malloc(size);
768
if (cand_list) {
769
size = ImmGetCandidateListW(himc, 0, cand_list, size);
770
if (size) {
771
772
773
774
775
776
int i = 0;
int j = 0;
int page_start = 0;
videodata->ime_candsel = cand_list->dwSelection;
videodata->ime_candcount = cand_list->dwCount;
777
if (LANG() == LANG_CHS && IME_GetId(videodata, 0)) {
778
779
780
781
const UINT maxcandchar = 18;
UINT i = 0;
UINT cchars = 0;
782
for (; i < videodata->ime_candcount; ++i) {
783
UINT len = SDL_wcslen((LPWSTR)((DWORD_PTR)cand_list + cand_list->dwOffset[i])) + 1;
784
if (len + cchars > maxcandchar) {
785
786
787
788
789
790
if (i > cand_list->dwSelection)
break;
page_start = i;
cchars = len;
}
791
else {
792
793
794
795
796
cchars += len;
}
}
videodata->ime_candpgsize = i - page_start;
}
797
else {
798
799
800
801
videodata->ime_candpgsize = SDL_min(cand_list->dwPageSize, MAX_CANDLIST);
page_start = (cand_list->dwSelection / videodata->ime_candpgsize) * videodata->ime_candpgsize;
}
SDL_memset(&videodata->ime_candidates, 0, sizeof(videodata->ime_candidates));
802
for (i = page_start, j = 0; (DWORD)i < cand_list->dwCount && j < (int)videodata->ime_candpgsize; i++, j++) {
803
LPCWSTR candidate = (LPCWSTR)((DWORD_PTR)cand_list + cand_list->dwOffset[i]);
804
805
806
807
808
809
810
811
812
813
814
815
816
817
818
819
820
821
822
823
824
825
826
827
828
829
830
831
832
IME_AddCandidate(videodata, j, candidate);
}
if (PRIMLANG() == LANG_KOREAN || (PRIMLANG() == LANG_CHT && !IME_GetId(videodata, 0)))
videodata->ime_candsel = -1;
}
SDL_free(cand_list);
}
}
}
static void
IME_ShowCandidateList(SDL_VideoData *videodata)
{
videodata->ime_dirty = SDL_TRUE;
videodata->ime_candlist = SDL_TRUE;
IME_DestroyTextures(videodata);
IME_SendEditingEvent(videodata);
}
static void
IME_HideCandidateList(SDL_VideoData *videodata)
{
videodata->ime_dirty = SDL_FALSE;
videodata->ime_candlist = SDL_FALSE;
IME_DestroyTextures(videodata);
IME_SendEditingEvent(videodata);
}
833
834
835
836
837
838
839
840
SDL_bool
IME_HandleMessage(HWND hwnd, UINT msg, WPARAM wParam, LPARAM *lParam, SDL_VideoData *videodata)
{
SDL_bool trap = SDL_FALSE;
HIMC himc = 0;
if (!videodata->ime_initialized || !videodata->ime_available || !videodata->ime_enabled)
return SDL_FALSE;
841
switch (msg) {
842
case WM_INPUTLANGCHANGE:
843
IME_InputLangChanged(videodata);
844
845
846
847
848
849
850
851
852
853
break;
case WM_IME_SETCONTEXT:
*lParam = 0;
break;
case WM_IME_STARTCOMPOSITION:
trap = SDL_TRUE;
break;
case WM_IME_COMPOSITION:
trap = SDL_TRUE;
himc = ImmGetContext(hwnd);
854
if (*lParam & GCS_RESULTSTR) {
855
856
IME_GetCompositionString(videodata, himc, GCS_RESULTSTR);
IME_SendInputEvent(videodata);
857
}
858
if (*lParam & GCS_COMPSTR) {
859
860
861
862
863
if (!videodata->ime_uiless)
videodata->ime_readingstring[0] = 0;
IME_GetCompositionString(videodata, himc, GCS_COMPSTR);
IME_SendEditingEvent(videodata);
864
865
866
867
}
ImmReleaseContext(hwnd, himc);
break;
case WM_IME_ENDCOMPOSITION:
868
869
870
871
videodata->ime_composition[0] = 0;
videodata->ime_readingstring[0] = 0;
videodata->ime_cursor = 0;
SDL_SendEditingText("", 0, 0);
872
873
break;
case WM_IME_NOTIFY:
874
switch (wParam) {
875
876
case IMN_SETCONVERSIONMODE:
case IMN_SETOPENSTATUS:
877
IME_UpdateInputLocale(videodata);
878
879
880
break;
case IMN_OPENCANDIDATE:
case IMN_CHANGECANDIDATE:
881
882
883
if (videodata->ime_uiless)
break;
884
trap = SDL_TRUE;
885
886
887
888
889
890
891
IME_ShowCandidateList(videodata);
himc = ImmGetContext(hwnd);
if (!himc)
break;
IME_GetCandidateList(himc, videodata);
ImmReleaseContext(hwnd, himc);
892
893
894
break;
case IMN_CLOSECANDIDATE:
trap = SDL_TRUE;
895
IME_HideCandidateList(videodata);
896
897
break;
case IMN_PRIVATE:
898
899
900
901
902
903
904
905
906
907
908
909
910
911
912
913
914
915
916
917
918
919
920
921
922
923
924
925
{
DWORD dwId = IME_GetId(videodata, 0);
IME_GetReadingString(videodata, hwnd);
switch (dwId)
{
case IMEID_CHT_VER42:
case IMEID_CHT_VER43:
case IMEID_CHT_VER44:
case IMEID_CHS_VER41:
case IMEID_CHS_VER42:
if (*lParam == 1 || *lParam == 2)
trap = SDL_TRUE;
break;
case IMEID_CHT_VER50:
case IMEID_CHT_VER51:
case IMEID_CHT_VER52:
case IMEID_CHT_VER60:
case IMEID_CHS_VER53:
if (*lParam == 16
|| *lParam == 17
|| *lParam == 26
|| *lParam == 27
|| *lParam == 28)
trap = SDL_TRUE;
break;
}
}
926
927
928
929
930
931
932
933
934
935
break;
default:
trap = SDL_TRUE;
break;
}
break;
}
return trap;
}
936
937
938
939
940
941
942
943
944
945
946
947
948
949
950
951
952
953
954
955
956
957
958
959
960
961
962
static void
IME_CloseCandidateList(SDL_VideoData *videodata)
{
IME_HideCandidateList(videodata);
videodata->ime_candcount = 0;
SDL_memset(videodata->ime_candidates, 0, sizeof(videodata->ime_candidates));
}
static void
UILess_GetCandidateList(SDL_VideoData *videodata, ITfCandidateListUIElement *pcandlist)
{
UINT selection = 0;
UINT count = 0;
UINT page = 0;
UINT pgcount = 0;
DWORD pgstart = 0;
DWORD pgsize = 0;
UINT i, j;
pcandlist->lpVtbl->GetSelection(pcandlist, &selection);
pcandlist->lpVtbl->GetCount(pcandlist, &count);
pcandlist->lpVtbl->GetCurrentPage(pcandlist, &page);
videodata->ime_candsel = selection;
videodata->ime_candcount = count;
IME_ShowCandidateList(videodata);
pcandlist->lpVtbl->GetPageIndex(pcandlist, 0, 0, &pgcount);
963
if (pgcount > 0) {
964
UINT *idxlist = SDL_malloc(sizeof(UINT) * pgcount);
965
if (idxlist) {
966
967
968
969
970
971
972
973
974
975
976
977
978
979
pcandlist->lpVtbl->GetPageIndex(pcandlist, idxlist, pgcount, &pgcount);
pgstart = idxlist[page];
if (page < pgcount - 1)
pgsize = SDL_min(count, idxlist[page + 1]) - pgstart;
else
pgsize = count - pgstart;
SDL_free(idxlist);
}
}
videodata->ime_candpgsize = SDL_min(pgsize, MAX_CANDLIST);
videodata->ime_candsel = videodata->ime_candsel - pgstart;
SDL_memset(videodata->ime_candidates, 0, sizeof(videodata->ime_candidates));
980
for (i = pgstart, j = 0; (DWORD)i < count && j < videodata->ime_candpgsize; i++, j++) {
981
BSTR bstr;
982
983
if (SUCCEEDED(pcandlist->lpVtbl->GetString(pcandlist, i, &bstr))) {
if (bstr) {
984
985
986
987
988
989
990
991
992
IME_AddCandidate(videodata, j, bstr);
SysFreeString(bstr);
}
}
}
if (PRIMLANG() == LANG_KOREAN)
videodata->ime_candsel = -1;
}
993
994
995
996
997
998
999
1000
STDMETHODIMP_(ULONG) TSFSink_AddRef(TSFSink *sink)
{
return ++sink->refcount;
}
STDMETHODIMP_(ULONG)TSFSink_Release(TSFSink *sink)
{
--sink->refcount;