src/video/windows/SDL_windowskeyboard.c
author Sam Lantinga <slouken@libsdl.org>
Tue, 26 May 2015 06:27:46 -0700
changeset 9619 b94b6d0bff0f
parent 8976 1a5d959d7b32
child 9715 8945c203a54b
permissions -rw-r--r--
Updated the copyright year to 2015
slouken@1895
     1
/*
slouken@5535
     2
  Simple DirectMedia Layer
slouken@9619
     3
  Copyright (C) 1997-2015 Sam Lantinga <slouken@libsdl.org>
slouken@1895
     4
slouken@5535
     5
  This software is provided 'as-is', without any express or implied
slouken@5535
     6
  warranty.  In no event will the authors be held liable for any damages
slouken@5535
     7
  arising from the use of this software.
slouken@1895
     8
slouken@5535
     9
  Permission is granted to anyone to use this software for any purpose,
slouken@5535
    10
  including commercial applications, and to alter it and redistribute it
slouken@5535
    11
  freely, subject to the following restrictions:
slouken@1895
    12
slouken@5535
    13
  1. The origin of this software must not be misrepresented; you must not
slouken@5535
    14
     claim that you wrote the original software. If you use this software
slouken@5535
    15
     in a product, an acknowledgment in the product documentation would be
slouken@5535
    16
     appreciated but is not required.
slouken@5535
    17
  2. Altered source versions must be plainly marked as such, and must not be
slouken@5535
    18
     misrepresented as being the original software.
slouken@5535
    19
  3. This notice may not be removed or altered from any source distribution.
slouken@1895
    20
*/
icculus@8093
    21
#include "../../SDL_internal.h"
slouken@1895
    22
slouken@6044
    23
#if SDL_VIDEO_DRIVER_WINDOWS
slouken@6044
    24
slouken@5062
    25
#include "SDL_windowsvideo.h"
slouken@1895
    26
slouken@1895
    27
#include "../../events/SDL_keyboard_c.h"
slouken@5062
    28
#include "../../events/scancodes_windows.h"
slouken@1895
    29
dewyatt@4752
    30
#include <imm.h>
dewyatt@4759
    31
#include <oleauto.h>
dewyatt@4759
    32
slouken@5086
    33
#ifndef SDL_DISABLE_WINDOWS_IME
dewyatt@4759
    34
static void IME_Init(SDL_VideoData *videodata, HWND hwnd);
dewyatt@4759
    35
static void IME_Enable(SDL_VideoData *videodata, HWND hwnd);
dewyatt@4759
    36
static void IME_Disable(SDL_VideoData *videodata, HWND hwnd);
dewyatt@4759
    37
static void IME_Quit(SDL_VideoData *videodata);
slouken@5086
    38
#endif /* !SDL_DISABLE_WINDOWS_IME */
dewyatt@4752
    39
slouken@2311
    40
#ifndef MAPVK_VK_TO_VSC
slouken@2311
    41
#define MAPVK_VK_TO_VSC     0
slouken@2311
    42
#endif
slouken@2311
    43
#ifndef MAPVK_VSC_TO_VK
slouken@2311
    44
#define MAPVK_VSC_TO_VK     1
slouken@2311
    45
#endif
slouken@2311
    46
#ifndef MAPVK_VK_TO_CHAR
slouken@2311
    47
#define MAPVK_VK_TO_CHAR    2
slouken@2311
    48
#endif
slouken@2311
    49
slouken@2311
    50
/* Alphabetic scancodes for PC keyboards */
slouken@1895
    51
void
slouken@1895
    52
WIN_InitKeyboard(_THIS)
slouken@1895
    53
{
slouken@1895
    54
    SDL_VideoData *data = (SDL_VideoData *) _this->driverdata;
slouken@2308
    55
dewyatt@4752
    56
    data->ime_com_initialized = SDL_FALSE;
dewyatt@4759
    57
    data->ime_threadmgr = 0;
dewyatt@4752
    58
    data->ime_initialized = SDL_FALSE;
dewyatt@4752
    59
    data->ime_enabled = SDL_FALSE;
dewyatt@4752
    60
    data->ime_available = SDL_FALSE;
dewyatt@4752
    61
    data->ime_hwnd_main = 0;
dewyatt@4752
    62
    data->ime_hwnd_current = 0;
dewyatt@4752
    63
    data->ime_himc = 0;
dewyatt@4759
    64
    data->ime_composition[0] = 0;
dewyatt@4759
    65
    data->ime_readingstring[0] = 0;
dewyatt@4759
    66
    data->ime_cursor = 0;
Daniel@4913
    67
Daniel@4913
    68
    data->ime_candlist = SDL_FALSE;
Daniel@4913
    69
    SDL_memset(data->ime_candidates, 0, sizeof(data->ime_candidates));
Daniel@4913
    70
    data->ime_candcount = 0;
Daniel@4913
    71
    data->ime_candref = 0;
Daniel@4913
    72
    data->ime_candsel = 0;
Daniel@4913
    73
    data->ime_candpgsize = 0;
Daniel@4913
    74
    data->ime_candlistindexbase = 0;
Daniel@4913
    75
    data->ime_candvertical = SDL_TRUE;
Daniel@4913
    76
Daniel@4913
    77
    data->ime_dirty = SDL_FALSE;
Daniel@4913
    78
    SDL_memset(&data->ime_rect, 0, sizeof(data->ime_rect));
Daniel@4913
    79
    SDL_memset(&data->ime_candlistrect, 0, sizeof(data->ime_candlistrect));
Daniel@4913
    80
    data->ime_winwidth = 0;
Daniel@4913
    81
    data->ime_winheight = 0;
Daniel@4913
    82
dewyatt@4759
    83
    data->ime_hkl = 0;
dewyatt@4759
    84
    data->ime_himm32 = 0;
dewyatt@4759
    85
    data->GetReadingString = 0;
dewyatt@4759
    86
    data->ShowReadingWindow = 0;
dewyatt@4759
    87
    data->ImmLockIMC = 0;
dewyatt@4759
    88
    data->ImmUnlockIMC = 0;
dewyatt@4759
    89
    data->ImmLockIMCC = 0;
dewyatt@4759
    90
    data->ImmUnlockIMCC = 0;
dewyatt@4759
    91
    data->ime_uiless = SDL_FALSE;
dewyatt@4759
    92
    data->ime_threadmgrex = 0;
dewyatt@4759
    93
    data->ime_uielemsinkcookie = TF_INVALID_COOKIE;
dewyatt@4759
    94
    data->ime_alpnsinkcookie = TF_INVALID_COOKIE;
dewyatt@4759
    95
    data->ime_openmodesinkcookie = TF_INVALID_COOKIE;
dewyatt@4759
    96
    data->ime_convmodesinkcookie = TF_INVALID_COOKIE;
dewyatt@4759
    97
    data->ime_uielemsink = 0;
dewyatt@4759
    98
    data->ime_ippasink = 0;
dewyatt@4752
    99
slouken@4465
   100
    WIN_UpdateKeymap();
slouken@2308
   101
slouken@2308
   102
    SDL_SetScancodeName(SDL_SCANCODE_APPLICATION, "Menu");
slouken@2308
   103
    SDL_SetScancodeName(SDL_SCANCODE_LGUI, "Left Windows");
slouken@2308
   104
    SDL_SetScancodeName(SDL_SCANCODE_RGUI, "Right Windows");
slouken@2308
   105
}
slouken@2308
   106
slouken@2308
   107
void
slouken@4465
   108
WIN_UpdateKeymap()
slouken@2308
   109
{
slouken@2308
   110
    int i;
slouken@5218
   111
    SDL_Scancode scancode;
slouken@5220
   112
    SDL_Keycode keymap[SDL_NUM_SCANCODES];
slouken@2308
   113
slouken@6938
   114
    SDL_GetDefaultKeymap(keymap);
slouken@2308
   115
slouken@5062
   116
    for (i = 0; i < SDL_arraysize(windows_scancode_table); i++) {
slouken@6938
   117
        int vk;
slouken@2308
   118
        /* Make sure this scancode is a valid character scancode */
slouken@5062
   119
        scancode = windows_scancode_table[i];
jorgen@6922
   120
        if (scancode == SDL_SCANCODE_UNKNOWN ) {
slouken@2308
   121
            continue;
slouken@2308
   122
        }
slouken@2311
   123
slouken@6938
   124
        /* If this key is one of the non-mappable keys, ignore it */
slouken@6938
   125
        /* Don't allow the number keys right above the qwerty row to translate or the top left key (grave/backquote) */
slouken@6938
   126
        /* Not mapping numbers fixes the French layout, giving numeric keycodes for the number keys, which is the expected behavior */
slouken@6938
   127
        if ((keymap[scancode] & SDLK_SCANCODE_MASK) ||
slouken@6938
   128
            scancode == SDL_SCANCODE_GRAVE ||
slouken@6938
   129
            (scancode >= SDL_SCANCODE_1 && scancode <= SDL_SCANCODE_0) ) {
slouken@6938
   130
            continue;
slouken@6938
   131
        }
jorgen@6926
   132
slouken@6938
   133
        vk =  MapVirtualKey(i, MAPVK_VSC_TO_VK);
slouken@6938
   134
        if ( vk ) {
slouken@6938
   135
            int ch = (MapVirtualKey( vk, MAPVK_VK_TO_CHAR ) & 0x7FFF);
slouken@6938
   136
            if ( ch ) {
slouken@6938
   137
                if ( ch >= 'A' && ch <= 'Z' ) {
slouken@6938
   138
                    keymap[scancode] =  SDLK_a + ( ch - 'A' );
slouken@6938
   139
                } else {
slouken@6938
   140
                    keymap[scancode] = ch;
slouken@6938
   141
                }
slouken@6938
   142
            }
slouken@6938
   143
        }
slouken@2308
   144
    }
jorgen@6922
   145
slouken@4465
   146
    SDL_SetKeymap(0, keymap, SDL_NUM_SCANCODES);
slouken@1895
   147
}
slouken@1895
   148
slouken@1895
   149
void
slouken@1895
   150
WIN_QuitKeyboard(_THIS)
slouken@1895
   151
{
slouken@5086
   152
#ifndef SDL_DISABLE_WINDOWS_IME
dewyatt@4752
   153
    IME_Quit((SDL_VideoData *)_this->driverdata);
slouken@5086
   154
#endif
slouken@1895
   155
}
slouken@1895
   156
dewyatt@4747
   157
void
dewyatt@4753
   158
WIN_StartTextInput(_THIS)
dewyatt@4747
   159
{
slouken@5086
   160
#ifndef SDL_DISABLE_WINDOWS_IME
dewyatt@4753
   161
    SDL_Window *window = SDL_GetKeyboardFocus();
dewyatt@4759
   162
    if (window) {
dewyatt@4753
   163
        HWND hwnd = ((SDL_WindowData *) window->driverdata)->hwnd;
dewyatt@4753
   164
        SDL_VideoData *videodata = (SDL_VideoData *)_this->driverdata;
Daniel@4913
   165
        SDL_GetWindowSize(window, &videodata->ime_winwidth, &videodata->ime_winheight);
dewyatt@4753
   166
        IME_Init(videodata, hwnd);
dewyatt@4753
   167
        IME_Enable(videodata, hwnd);
dewyatt@4753
   168
    }
slouken@5086
   169
#endif /* !SDL_DISABLE_WINDOWS_IME */
dewyatt@4747
   170
}
dewyatt@4747
   171
dewyatt@4747
   172
void
dewyatt@4753
   173
WIN_StopTextInput(_THIS)
dewyatt@4747
   174
{
slouken@5086
   175
#ifndef SDL_DISABLE_WINDOWS_IME
dewyatt@4753
   176
    SDL_Window *window = SDL_GetKeyboardFocus();
dewyatt@4759
   177
    if (window) {
dewyatt@4753
   178
        HWND hwnd = ((SDL_WindowData *) window->driverdata)->hwnd;
dewyatt@4753
   179
        SDL_VideoData *videodata = (SDL_VideoData *)_this->driverdata;
dewyatt@4753
   180
        IME_Init(videodata, hwnd);
dewyatt@4753
   181
        IME_Disable(videodata, hwnd);
dewyatt@4753
   182
    }
slouken@5086
   183
#endif /* !SDL_DISABLE_WINDOWS_IME */
dewyatt@4747
   184
}
dewyatt@4747
   185
dewyatt@4747
   186
void
dewyatt@4747
   187
WIN_SetTextInputRect(_THIS, SDL_Rect *rect)
dewyatt@4747
   188
{
Daniel@4913
   189
    SDL_VideoData *videodata = (SDL_VideoData *)_this->driverdata;
slouken@7191
   190
aschiffler@6808
   191
    if (!rect) {
aschiffler@6811
   192
        SDL_InvalidParamError("rect");
aschiffler@6808
   193
        return;
aschiffler@6808
   194
    }
slouken@7191
   195
Daniel@4913
   196
    videodata->ime_rect = *rect;
dewyatt@4747
   197
}
dewyatt@4747
   198
slouken@5086
   199
#ifdef SDL_DISABLE_WINDOWS_IME
slouken@5086
   200
slouken@5086
   201
slouken@5086
   202
SDL_bool
slouken@5086
   203
IME_HandleMessage(HWND hwnd, UINT msg, WPARAM wParam, LPARAM *lParam, SDL_VideoData *videodata)
slouken@5086
   204
{
slouken@5086
   205
    return SDL_FALSE;
slouken@5086
   206
}
slouken@5086
   207
slouken@5086
   208
void IME_Present(SDL_VideoData *videodata)
slouken@5086
   209
{
slouken@5086
   210
}
slouken@5086
   211
slouken@5086
   212
#else
slouken@5086
   213
Daniel@4893
   214
#ifdef __GNUC__
Daniel@4893
   215
#undef DEFINE_GUID
slouken@4894
   216
#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}}
Daniel@4893
   217
DEFINE_GUID(IID_ITfInputProcessorProfileActivationSink,        0x71C6E74E,0x0F28,0x11D8,0xA8,0x2A,0x00,0x06,0x5B,0x84,0x43,0x5C);
Daniel@4893
   218
DEFINE_GUID(IID_ITfUIElementSink,                              0xEA1EA136,0x19DF,0x11D7,0xA6,0xD2,0x00,0x06,0x5B,0x84,0x43,0x5C);
Daniel@4893
   219
DEFINE_GUID(GUID_TFCAT_TIP_KEYBOARD,                           0x34745C63,0xB2F0,0x4784,0x8B,0x67,0x5E,0x12,0xC8,0x70,0x1A,0x31);
Daniel@4893
   220
DEFINE_GUID(IID_ITfSource,                                     0x4EA48A35,0x60AE,0x446F,0x8F,0xD6,0xE6,0xA8,0xD8,0x24,0x59,0xF7);
Daniel@4893
   221
DEFINE_GUID(IID_ITfUIElementMgr,                               0xEA1EA135,0x19DF,0x11D7,0xA6,0xD2,0x00,0x06,0x5B,0x84,0x43,0x5C);
Daniel@4913
   222
DEFINE_GUID(IID_ITfCandidateListUIElement,                     0xEA1EA138,0x19DF,0x11D7,0xA6,0xD2,0x00,0x06,0x5B,0x84,0x43,0x5C);
Daniel@4893
   223
DEFINE_GUID(IID_ITfReadingInformationUIElement,                0xEA1EA139,0x19DF,0x11D7,0xA6,0xD2,0x00,0x06,0x5B,0x84,0x43,0x5C);
Daniel@4893
   224
DEFINE_GUID(IID_ITfThreadMgr,                                  0xAA80E801,0x2021,0x11D2,0x93,0xE0,0x00,0x60,0xB0,0x67,0xB8,0x6E);
Daniel@4893
   225
DEFINE_GUID(CLSID_TF_ThreadMgr,                                0x529A9E6B,0x6587,0x4F23,0xAB,0x9E,0x9C,0x7D,0x68,0x3E,0x3C,0x50);
Daniel@4893
   226
DEFINE_GUID(IID_ITfThreadMgrEx,                                0x3E90ADE3,0x7594,0x4CB0,0xBB,0x58,0x69,0x62,0x8F,0x5F,0x45,0x8C);
Daniel@4893
   227
#endif
Daniel@4893
   228
dewyatt@4759
   229
#define LANG_CHT MAKELANGID(LANG_CHINESE, SUBLANG_CHINESE_TRADITIONAL)
dewyatt@4759
   230
#define LANG_CHS MAKELANGID(LANG_CHINESE, SUBLANG_CHINESE_SIMPLIFIED)
dewyatt@4759
   231
dewyatt@4759
   232
#define MAKEIMEVERSION(major,minor) ((DWORD) (((BYTE)(major) << 24) | ((BYTE)(minor) << 16) ))
dewyatt@4759
   233
#define IMEID_VER(id) ((id) & 0xffff0000)
dewyatt@4759
   234
#define IMEID_LANG(id) ((id) & 0x0000ffff)
dewyatt@4759
   235
dewyatt@4759
   236
#define CHT_HKL_DAYI            ((HKL)0xE0060404)
dewyatt@4759
   237
#define CHT_HKL_NEW_PHONETIC    ((HKL)0xE0080404)
dewyatt@4759
   238
#define CHT_HKL_NEW_CHANG_JIE   ((HKL)0xE0090404)
dewyatt@4759
   239
#define CHT_HKL_NEW_QUICK       ((HKL)0xE00A0404)
dewyatt@4759
   240
#define CHT_HKL_HK_CANTONESE    ((HKL)0xE00B0404)
dewyatt@4759
   241
#define CHT_IMEFILENAME1        "TINTLGNT.IME"
dewyatt@4759
   242
#define CHT_IMEFILENAME2        "CINTLGNT.IME"
dewyatt@4759
   243
#define CHT_IMEFILENAME3        "MSTCIPHA.IME"
dewyatt@4759
   244
#define IMEID_CHT_VER42         (LANG_CHT | MAKEIMEVERSION(4, 2))
dewyatt@4759
   245
#define IMEID_CHT_VER43         (LANG_CHT | MAKEIMEVERSION(4, 3))
dewyatt@4759
   246
#define IMEID_CHT_VER44         (LANG_CHT | MAKEIMEVERSION(4, 4))
dewyatt@4759
   247
#define IMEID_CHT_VER50         (LANG_CHT | MAKEIMEVERSION(5, 0))
dewyatt@4759
   248
#define IMEID_CHT_VER51         (LANG_CHT | MAKEIMEVERSION(5, 1))
dewyatt@4759
   249
#define IMEID_CHT_VER52         (LANG_CHT | MAKEIMEVERSION(5, 2))
dewyatt@4759
   250
#define IMEID_CHT_VER60         (LANG_CHT | MAKEIMEVERSION(6, 0))
dewyatt@4759
   251
#define IMEID_CHT_VER_VISTA     (LANG_CHT | MAKEIMEVERSION(7, 0))
dewyatt@4759
   252
dewyatt@4759
   253
#define CHS_HKL                 ((HKL)0xE00E0804)
dewyatt@4759
   254
#define CHS_IMEFILENAME1        "PINTLGNT.IME"
dewyatt@4759
   255
#define CHS_IMEFILENAME2        "MSSCIPYA.IME"
dewyatt@4759
   256
#define IMEID_CHS_VER41         (LANG_CHS | MAKEIMEVERSION(4, 1))
dewyatt@4759
   257
#define IMEID_CHS_VER42         (LANG_CHS | MAKEIMEVERSION(4, 2))
dewyatt@4759
   258
#define IMEID_CHS_VER53         (LANG_CHS | MAKEIMEVERSION(5, 3))
dewyatt@4759
   259
dewyatt@4759
   260
#define LANG() LOWORD((videodata->ime_hkl))
dewyatt@4759
   261
#define PRIMLANG() ((WORD)PRIMARYLANGID(LANG()))
dewyatt@4759
   262
#define SUBLANG() SUBLANGID(LANG())
dewyatt@4759
   263
dewyatt@4759
   264
static void IME_UpdateInputLocale(SDL_VideoData *videodata);
dewyatt@4759
   265
static void IME_ClearComposition(SDL_VideoData *videodata);
dewyatt@4759
   266
static void IME_SetWindow(SDL_VideoData* videodata, HWND hwnd);
dewyatt@4759
   267
static void IME_SetupAPI(SDL_VideoData *videodata);
dewyatt@4759
   268
static DWORD IME_GetId(SDL_VideoData *videodata, UINT uIndex);
dewyatt@4759
   269
static void IME_SendEditingEvent(SDL_VideoData *videodata);
Daniel@4913
   270
static void IME_DestroyTextures(SDL_VideoData *videodata);
Daniel@4913
   271
dewyatt@4759
   272
#define SDL_IsEqualIID(riid1, riid2) SDL_IsEqualGUID(riid1, riid2)
dewyatt@4759
   273
#define SDL_IsEqualGUID(rguid1, rguid2) (!SDL_memcmp(rguid1, rguid2, sizeof(GUID)))
dewyatt@4759
   274
dewyatt@4759
   275
static SDL_bool UILess_SetupSinks(SDL_VideoData *videodata);
dewyatt@4759
   276
static void UILess_ReleaseSinks(SDL_VideoData *videodata);
dewyatt@4759
   277
static void UILess_EnableUIUpdates(SDL_VideoData *videodata);
dewyatt@4759
   278
static void UILess_DisableUIUpdates(SDL_VideoData *videodata);
dewyatt@4759
   279
dewyatt@4759
   280
static void
dewyatt@4759
   281
IME_Init(SDL_VideoData *videodata, HWND hwnd)
dewyatt@4752
   282
{
dewyatt@4759
   283
    if (videodata->ime_initialized)
dewyatt@4752
   284
        return;
dewyatt@4752
   285
dewyatt@4759
   286
    videodata->ime_hwnd_main = hwnd;
icculus@5591
   287
    if (SUCCEEDED(WIN_CoInitialize())) {
dewyatt@4759
   288
        videodata->ime_com_initialized = SDL_TRUE;
Daniel@4893
   289
        CoCreateInstance(&CLSID_TF_ThreadMgr, NULL, CLSCTX_INPROC_SERVER, &IID_ITfThreadMgr, (LPVOID *)&videodata->ime_threadmgr);
dewyatt@4759
   290
    }
dewyatt@4759
   291
    videodata->ime_initialized = SDL_TRUE;
slouken@5090
   292
    videodata->ime_himm32 = SDL_LoadObject("imm32.dll");
dewyatt@4759
   293
    if (!videodata->ime_himm32) {
dewyatt@4759
   294
        videodata->ime_available = SDL_FALSE;
dewyatt@4759
   295
        return;
dewyatt@4759
   296
    }
slouken@5090
   297
    videodata->ImmLockIMC = (LPINPUTCONTEXT2 (WINAPI *)(HIMC))SDL_LoadFunction(videodata->ime_himm32, "ImmLockIMC");
slouken@5090
   298
    videodata->ImmUnlockIMC = (BOOL (WINAPI *)(HIMC))SDL_LoadFunction(videodata->ime_himm32, "ImmUnlockIMC");
slouken@5090
   299
    videodata->ImmLockIMCC = (LPVOID (WINAPI *)(HIMCC))SDL_LoadFunction(videodata->ime_himm32, "ImmLockIMCC");
slouken@5090
   300
    videodata->ImmUnlockIMCC = (BOOL (WINAPI *)(HIMCC))SDL_LoadFunction(videodata->ime_himm32, "ImmUnlockIMCC");
dewyatt@4752
   301
dewyatt@4759
   302
    IME_SetWindow(videodata, hwnd);
dewyatt@4759
   303
    videodata->ime_himc = ImmGetContext(hwnd);
dewyatt@4759
   304
    ImmReleaseContext(hwnd, videodata->ime_himc);
dewyatt@4759
   305
    if (!videodata->ime_himc) {
dewyatt@4759
   306
        videodata->ime_available = SDL_FALSE;
dewyatt@4759
   307
        IME_Disable(videodata, hwnd);
dewyatt@4759
   308
        return;
dewyatt@4759
   309
    }
dewyatt@4759
   310
    videodata->ime_available = SDL_TRUE;
dewyatt@4759
   311
    IME_UpdateInputLocale(videodata);
dewyatt@4759
   312
    IME_SetupAPI(videodata);
dewyatt@4759
   313
    videodata->ime_uiless = UILess_SetupSinks(videodata);
dewyatt@4759
   314
    IME_UpdateInputLocale(videodata);
dewyatt@4759
   315
    IME_Disable(videodata, hwnd);
dewyatt@4752
   316
}
dewyatt@4752
   317
dewyatt@4759
   318
static void
dewyatt@4752
   319
IME_Enable(SDL_VideoData *videodata, HWND hwnd)
dewyatt@4752
   320
{
dewyatt@4752
   321
    if (!videodata->ime_initialized || !videodata->ime_hwnd_current)
dewyatt@4752
   322
        return;
dewyatt@4752
   323
dewyatt@4752
   324
    if (!videodata->ime_available) {
dewyatt@4752
   325
        IME_Disable(videodata, hwnd);
dewyatt@4752
   326
        return;
dewyatt@4752
   327
    }
dewyatt@4752
   328
    if (videodata->ime_hwnd_current == videodata->ime_hwnd_main)
dewyatt@4752
   329
        ImmAssociateContext(videodata->ime_hwnd_current, videodata->ime_himc);
dewyatt@4752
   330
dewyatt@4752
   331
    videodata->ime_enabled = SDL_TRUE;
dewyatt@4759
   332
    IME_UpdateInputLocale(videodata);
dewyatt@4759
   333
    UILess_EnableUIUpdates(videodata);
dewyatt@4752
   334
}
dewyatt@4752
   335
dewyatt@4759
   336
static void
dewyatt@4759
   337
IME_Disable(SDL_VideoData *videodata, HWND hwnd)
dewyatt@4752
   338
{
dewyatt@4759
   339
    if (!videodata->ime_initialized || !videodata->ime_hwnd_current)
dewyatt@4752
   340
        return;
dewyatt@4752
   341
dewyatt@4759
   342
    IME_ClearComposition(videodata);
dewyatt@4759
   343
    if (videodata->ime_hwnd_current == videodata->ime_hwnd_main)
Daniel@4893
   344
        ImmAssociateContext(videodata->ime_hwnd_current, (HIMC)0);
dewyatt@4759
   345
dewyatt@4759
   346
    videodata->ime_enabled = SDL_FALSE;
dewyatt@4759
   347
    UILess_DisableUIUpdates(videodata);
dewyatt@4752
   348
}
dewyatt@4752
   349
dewyatt@4759
   350
static void
dewyatt@4752
   351
IME_Quit(SDL_VideoData *videodata)
dewyatt@4752
   352
{
dewyatt@4752
   353
    if (!videodata->ime_initialized)
dewyatt@4752
   354
        return;
dewyatt@4752
   355
dewyatt@4759
   356
    UILess_ReleaseSinks(videodata);
dewyatt@4752
   357
    if (videodata->ime_hwnd_main)
dewyatt@4752
   358
        ImmAssociateContext(videodata->ime_hwnd_main, videodata->ime_himc);
dewyatt@4752
   359
dewyatt@4752
   360
    videodata->ime_hwnd_main = 0;
dewyatt@4752
   361
    videodata->ime_himc = 0;
dewyatt@4760
   362
    if (videodata->ime_himm32) {
slouken@5090
   363
        SDL_UnloadObject(videodata->ime_himm32);
dewyatt@4759
   364
        videodata->ime_himm32 = 0;
dewyatt@4759
   365
    }
dewyatt@4760
   366
    if (videodata->ime_threadmgr) {
dewyatt@4759
   367
        videodata->ime_threadmgr->lpVtbl->Release(videodata->ime_threadmgr);
dewyatt@4759
   368
        videodata->ime_threadmgr = 0;
dewyatt@4752
   369
    }
dewyatt@4760
   370
    if (videodata->ime_com_initialized) {
icculus@5591
   371
        WIN_CoUninitialize();
dewyatt@4752
   372
        videodata->ime_com_initialized = SDL_FALSE;
dewyatt@4752
   373
    }
Daniel@4913
   374
    IME_DestroyTextures(videodata);
dewyatt@4752
   375
    videodata->ime_initialized = SDL_FALSE;
dewyatt@4752
   376
}
dewyatt@4752
   377
dewyatt@4759
   378
static void
dewyatt@4759
   379
IME_GetReadingString(SDL_VideoData *videodata, HWND hwnd)
dewyatt@4759
   380
{
dewyatt@4759
   381
    DWORD id = 0;
dewyatt@4759
   382
    HIMC himc = 0;
dewyatt@4759
   383
    WCHAR buffer[16];
dewyatt@4759
   384
    WCHAR *s = buffer;
dewyatt@4759
   385
    DWORD len = 0;
Daniel@4893
   386
    INT err = 0;
dewyatt@4759
   387
    BOOL vertical = FALSE;
dewyatt@4759
   388
    UINT maxuilen = 0;
slouken@8732
   389
	static OSVERSIONINFOA osversion;
slouken@8732
   390
dewyatt@4759
   391
    if (videodata->ime_uiless)
dewyatt@4759
   392
        return;
dewyatt@4759
   393
dewyatt@4759
   394
    videodata->ime_readingstring[0] = 0;
dewyatt@4760
   395
    if (!osversion.dwOSVersionInfoSize) {
dewyatt@4759
   396
        osversion.dwOSVersionInfoSize = sizeof(osversion);
dewyatt@4759
   397
        GetVersionExA(&osversion);
dewyatt@4759
   398
    }
dewyatt@4759
   399
    id = IME_GetId(videodata, 0);
dewyatt@4759
   400
    if (!id)
dewyatt@4759
   401
        return;
dewyatt@4759
   402
dewyatt@4759
   403
    himc = ImmGetContext(hwnd);
dewyatt@4759
   404
    if (!himc)
dewyatt@4759
   405
        return;
dewyatt@4759
   406
dewyatt@4760
   407
    if (videodata->GetReadingString) {
dewyatt@4759
   408
        len = videodata->GetReadingString(himc, 0, 0, &err, &vertical, &maxuilen);
dewyatt@4760
   409
        if (len) {
dewyatt@4759
   410
            if (len > SDL_arraysize(buffer))
dewyatt@4759
   411
                len = SDL_arraysize(buffer);
dewyatt@4759
   412
dewyatt@4759
   413
            len = videodata->GetReadingString(himc, len, s, &err, &vertical, &maxuilen);
dewyatt@4759
   414
        }
dewyatt@4759
   415
        SDL_wcslcpy(videodata->ime_readingstring, s, len);
dewyatt@4759
   416
    }
dewyatt@4760
   417
    else {
dewyatt@4759
   418
        LPINPUTCONTEXT2 lpimc = videodata->ImmLockIMC(himc);
dewyatt@4759
   419
        LPBYTE p = 0;
dewyatt@4759
   420
        s = 0;
dewyatt@4759
   421
        switch (id)
dewyatt@4759
   422
        {
dewyatt@4759
   423
        case IMEID_CHT_VER42:
dewyatt@4759
   424
        case IMEID_CHT_VER43:
dewyatt@4759
   425
        case IMEID_CHT_VER44:
dewyatt@4759
   426
            p = *(LPBYTE *)((LPBYTE)videodata->ImmLockIMCC(lpimc->hPrivate) + 24);
dewyatt@4759
   427
            if (!p)
dewyatt@4759
   428
                break;
dewyatt@4759
   429
dewyatt@4759
   430
            len = *(DWORD *)(p + 7*4 + 32*4);
dewyatt@4759
   431
            s = (WCHAR *)(p + 56);
dewyatt@4759
   432
            break;
dewyatt@4759
   433
        case IMEID_CHT_VER51:
dewyatt@4759
   434
        case IMEID_CHT_VER52:
dewyatt@4759
   435
        case IMEID_CHS_VER53:
dewyatt@4759
   436
            p = *(LPBYTE *)((LPBYTE)videodata->ImmLockIMCC(lpimc->hPrivate) + 4);
dewyatt@4759
   437
            if (!p)
dewyatt@4759
   438
                break;
dewyatt@4759
   439
dewyatt@4759
   440
            p = *(LPBYTE *)((LPBYTE)p + 1*4 + 5*4);
dewyatt@4759
   441
            if (!p)
dewyatt@4759
   442
                break;
dewyatt@4759
   443
dewyatt@4759
   444
            len = *(DWORD *)(p + 1*4 + (16*2+2*4) + 5*4 + 16*2);
dewyatt@4759
   445
            s = (WCHAR *)(p + 1*4 + (16*2+2*4) + 5*4);
dewyatt@4759
   446
            break;
dewyatt@4759
   447
        case IMEID_CHS_VER41:
dewyatt@4759
   448
            {
dewyatt@4759
   449
                int offset = (IME_GetId(videodata, 1) >= 0x00000002) ? 8 : 7;
dewyatt@4759
   450
                p = *(LPBYTE *)((LPBYTE)videodata->ImmLockIMCC(lpimc->hPrivate) + offset * 4);
dewyatt@4759
   451
                if (!p)
dewyatt@4759
   452
                    break;
dewyatt@4759
   453
dewyatt@4759
   454
                len = *(DWORD *)(p + 7*4 + 16*2*4);
dewyatt@4759
   455
                s = (WCHAR *)(p + 6*4 + 16*2*1);
dewyatt@4759
   456
            }
dewyatt@4759
   457
            break;
dewyatt@4759
   458
        case IMEID_CHS_VER42:
dewyatt@4759
   459
            if (osversion.dwPlatformId != VER_PLATFORM_WIN32_NT)
dewyatt@4759
   460
                break;
dewyatt@4759
   461
dewyatt@4759
   462
            p = *(LPBYTE *)((LPBYTE)videodata->ImmLockIMCC(lpimc->hPrivate) + 1*4 + 1*4 + 6*4);
dewyatt@4759
   463
            if (!p)
dewyatt@4759
   464
                break;
dewyatt@4759
   465
dewyatt@4759
   466
            len = *(DWORD *)(p + 1*4 + (16*2+2*4) + 5*4 + 16*2);
dewyatt@4759
   467
            s = (WCHAR *)(p + 1*4 + (16*2+2*4) + 5*4);
dewyatt@4759
   468
            break;
dewyatt@4759
   469
        }
slouken@7430
   470
        if (s) {
slouken@7430
   471
            size_t size = SDL_min((size_t)(len + 1), SDL_arraysize(videodata->ime_readingstring));
slouken@7430
   472
            SDL_wcslcpy(videodata->ime_readingstring, s, size);
slouken@7430
   473
        }
dewyatt@4760
   474
dewyatt@4759
   475
        videodata->ImmUnlockIMCC(lpimc->hPrivate);
dewyatt@4759
   476
        videodata->ImmUnlockIMC(himc);
dewyatt@4759
   477
    }
dewyatt@4759
   478
    ImmReleaseContext(hwnd, himc);
dewyatt@4759
   479
    IME_SendEditingEvent(videodata);
dewyatt@4759
   480
}
dewyatt@4759
   481
dewyatt@4759
   482
static void
dewyatt@4759
   483
IME_InputLangChanged(SDL_VideoData *videodata)
dewyatt@4759
   484
{
dewyatt@4760
   485
    UINT lang = PRIMLANG();
dewyatt@4759
   486
    IME_UpdateInputLocale(videodata);
Daniel@4913
   487
    if (!videodata->ime_uiless)
Daniel@4913
   488
        videodata->ime_candlistindexbase = (videodata->ime_hkl == CHT_HKL_DAYI) ? 0 : 1;
Daniel@4913
   489
dewyatt@4759
   490
    IME_SetupAPI(videodata);
dewyatt@4760
   491
    if (lang != PRIMLANG()) {
dewyatt@4759
   492
        IME_ClearComposition(videodata);
dewyatt@4759
   493
    }
dewyatt@4759
   494
}
dewyatt@4759
   495
dewyatt@4759
   496
static DWORD
dewyatt@4759
   497
IME_GetId(SDL_VideoData *videodata, UINT uIndex)
dewyatt@4759
   498
{
dewyatt@4759
   499
    static HKL hklprev = 0;
dewyatt@4759
   500
    static DWORD dwRet[2] = {0};
dewyatt@4759
   501
    DWORD dwVerSize = 0;
dewyatt@4759
   502
    DWORD dwVerHandle = 0;
dewyatt@4759
   503
    LPVOID lpVerBuffer = 0;
dewyatt@4759
   504
    LPVOID lpVerData = 0;
dewyatt@4759
   505
    UINT cbVerData = 0;
dewyatt@4759
   506
    char szTemp[256];
dewyatt@4759
   507
    HKL hkl = 0;
dewyatt@4759
   508
    DWORD dwLang = 0;
dewyatt@4759
   509
    if (uIndex >= sizeof(dwRet) / sizeof(dwRet[0]))
dewyatt@4759
   510
        return 0;
dewyatt@4759
   511
dewyatt@4759
   512
    hkl = videodata->ime_hkl;
dewyatt@4759
   513
    if (hklprev == hkl)
dewyatt@4759
   514
        return dwRet[uIndex];
dewyatt@4759
   515
dewyatt@4759
   516
    hklprev = hkl;
slouken@5108
   517
    dwLang = ((DWORD_PTR)hkl & 0xffff);
dewyatt@4760
   518
    if (videodata->ime_uiless && LANG() == LANG_CHT) {
dewyatt@4759
   519
        dwRet[0] = IMEID_CHT_VER_VISTA;
dewyatt@4759
   520
        dwRet[1] = 0;
dewyatt@4759
   521
        return dwRet[0];
dewyatt@4759
   522
    }
dewyatt@4759
   523
    if (hkl != CHT_HKL_NEW_PHONETIC
dewyatt@4759
   524
        && hkl != CHT_HKL_NEW_CHANG_JIE
dewyatt@4759
   525
        && hkl != CHT_HKL_NEW_QUICK
dewyatt@4759
   526
        && hkl != CHT_HKL_HK_CANTONESE
dewyatt@4760
   527
        && hkl != CHS_HKL) {
dewyatt@4759
   528
        dwRet[0] = dwRet[1] = 0;
dewyatt@4759
   529
        return dwRet[uIndex];
dewyatt@4759
   530
    }
dewyatt@4760
   531
    if (ImmGetIMEFileNameA(hkl, szTemp, sizeof(szTemp) - 1) <= 0) {
dewyatt@4759
   532
        dwRet[0] = dwRet[1] = 0;
dewyatt@4759
   533
        return dwRet[uIndex];
dewyatt@4759
   534
    }
dewyatt@4760
   535
    if (!videodata->GetReadingString) {
dewyatt@4759
   536
        #define LCID_INVARIANT MAKELCID(MAKELANGID(LANG_ENGLISH, SUBLANG_ENGLISH_US), SORT_DEFAULT)
dewyatt@4759
   537
        if (CompareStringA(LCID_INVARIANT, NORM_IGNORECASE, szTemp, -1, CHT_IMEFILENAME1, -1) != 2
dewyatt@4759
   538
            && CompareStringA(LCID_INVARIANT, NORM_IGNORECASE, szTemp, -1, CHT_IMEFILENAME2, -1) != 2
dewyatt@4759
   539
            && CompareStringA(LCID_INVARIANT, NORM_IGNORECASE, szTemp, -1, CHT_IMEFILENAME3, -1) != 2
dewyatt@4759
   540
            && CompareStringA(LCID_INVARIANT, NORM_IGNORECASE, szTemp, -1, CHS_IMEFILENAME1, -1) != 2
dewyatt@4760
   541
            && CompareStringA(LCID_INVARIANT, NORM_IGNORECASE, szTemp, -1, CHS_IMEFILENAME2, -1) != 2) {
dewyatt@4759
   542
            dwRet[0] = dwRet[1] = 0;
dewyatt@4759
   543
            return dwRet[uIndex];
dewyatt@4759
   544
        }
dewyatt@4759
   545
        #undef LCID_INVARIANT
dewyatt@4759
   546
        dwVerSize = GetFileVersionInfoSizeA(szTemp, &dwVerHandle);
dewyatt@4760
   547
        if (dwVerSize) {
dewyatt@4759
   548
            lpVerBuffer = SDL_malloc(dwVerSize);
dewyatt@4760
   549
            if (lpVerBuffer) {
dewyatt@4760
   550
                if (GetFileVersionInfoA(szTemp, dwVerHandle, dwVerSize, lpVerBuffer)) {
dewyatt@4760
   551
                    if (VerQueryValueA(lpVerBuffer, "\\", &lpVerData, &cbVerData)) {
dewyatt@4759
   552
                        #define pVerFixedInfo   ((VS_FIXEDFILEINFO FAR*)lpVerData)
dewyatt@4759
   553
                        DWORD dwVer = pVerFixedInfo->dwFileVersionMS;
dewyatt@4759
   554
                        dwVer = (dwVer & 0x00ff0000) << 8 | (dwVer & 0x000000ff) << 16;
icculus@6403
   555
                        if ((videodata->GetReadingString) ||
icculus@6403
   556
                            ((dwLang == LANG_CHT) && (
dewyatt@4759
   557
                            dwVer == MAKEIMEVERSION(4, 2) ||
dewyatt@4759
   558
                            dwVer == MAKEIMEVERSION(4, 3) ||
dewyatt@4759
   559
                            dwVer == MAKEIMEVERSION(4, 4) ||
dewyatt@4759
   560
                            dwVer == MAKEIMEVERSION(5, 0) ||
dewyatt@4759
   561
                            dwVer == MAKEIMEVERSION(5, 1) ||
dewyatt@4759
   562
                            dwVer == MAKEIMEVERSION(5, 2) ||
icculus@6403
   563
                            dwVer == MAKEIMEVERSION(6, 0)))
dewyatt@4759
   564
                            ||
icculus@6403
   565
                            ((dwLang == LANG_CHS) && (
dewyatt@4759
   566
                            dwVer == MAKEIMEVERSION(4, 1) ||
dewyatt@4759
   567
                            dwVer == MAKEIMEVERSION(4, 2) ||
icculus@6403
   568
                            dwVer == MAKEIMEVERSION(5, 3)))) {
dewyatt@4759
   569
                            dwRet[0] = dwVer | dwLang;
dewyatt@4759
   570
                            dwRet[1] = pVerFixedInfo->dwFileVersionLS;
dewyatt@4759
   571
                            SDL_free(lpVerBuffer);
dewyatt@4759
   572
                            return dwRet[0];
dewyatt@4759
   573
                        }
dewyatt@4759
   574
                        #undef pVerFixedInfo
dewyatt@4759
   575
                    }
dewyatt@4759
   576
                }
dewyatt@4759
   577
            }
dewyatt@4759
   578
            SDL_free(lpVerBuffer);
dewyatt@4759
   579
        }
dewyatt@4759
   580
    }
dewyatt@4759
   581
    dwRet[0] = dwRet[1] = 0;
dewyatt@4759
   582
    return dwRet[uIndex];
dewyatt@4759
   583
}
dewyatt@4759
   584
dewyatt@4759
   585
static void
dewyatt@4759
   586
IME_SetupAPI(SDL_VideoData *videodata)
dewyatt@4759
   587
{
dewyatt@4759
   588
    char ime_file[MAX_PATH + 1];
slouken@5090
   589
    void* hime = 0;
dewyatt@4759
   590
    HKL hkl = 0;
dewyatt@4759
   591
    videodata->GetReadingString = 0;
dewyatt@4759
   592
    videodata->ShowReadingWindow = 0;
dewyatt@4759
   593
    if (videodata->ime_uiless)
dewyatt@4759
   594
        return;
dewyatt@4759
   595
dewyatt@4759
   596
    hkl = videodata->ime_hkl;
dewyatt@4759
   597
    if (ImmGetIMEFileNameA(hkl, ime_file, sizeof(ime_file) - 1) <= 0)
dewyatt@4759
   598
        return;
dewyatt@4759
   599
slouken@5090
   600
    hime = SDL_LoadObject(ime_file);
dewyatt@4759
   601
    if (!hime)
dewyatt@4759
   602
        return;
dewyatt@4759
   603
dewyatt@4759
   604
    videodata->GetReadingString = (UINT (WINAPI *)(HIMC, UINT, LPWSTR, PINT, BOOL*, PUINT))
slouken@5090
   605
        SDL_LoadFunction(hime, "GetReadingString");
dewyatt@4759
   606
    videodata->ShowReadingWindow = (BOOL (WINAPI *)(HIMC, BOOL))
slouken@5090
   607
        SDL_LoadFunction(hime, "ShowReadingWindow");
dewyatt@4759
   608
dewyatt@4760
   609
    if (videodata->ShowReadingWindow) {
dewyatt@4759
   610
        HIMC himc = ImmGetContext(videodata->ime_hwnd_current);
dewyatt@4760
   611
        if (himc) {
dewyatt@4759
   612
            videodata->ShowReadingWindow(himc, FALSE);
dewyatt@4759
   613
            ImmReleaseContext(videodata->ime_hwnd_current, himc);
dewyatt@4759
   614
        }
dewyatt@4759
   615
    }
dewyatt@4759
   616
}
dewyatt@4759
   617
dewyatt@4759
   618
static void
dewyatt@4759
   619
IME_SetWindow(SDL_VideoData* videodata, HWND hwnd)
dewyatt@4759
   620
{
dewyatt@4759
   621
    videodata->ime_hwnd_current = hwnd;
dewyatt@4759
   622
    if (videodata->ime_threadmgr) {
dewyatt@4759
   623
        struct ITfDocumentMgr *document_mgr = 0;
dewyatt@4759
   624
        if (SUCCEEDED(videodata->ime_threadmgr->lpVtbl->AssociateFocus(videodata->ime_threadmgr, hwnd, NULL, &document_mgr))) {
dewyatt@4759
   625
            if (document_mgr)
dewyatt@4759
   626
                document_mgr->lpVtbl->Release(document_mgr);
dewyatt@4759
   627
        }
dewyatt@4759
   628
    }
dewyatt@4759
   629
}
dewyatt@4759
   630
dewyatt@4759
   631
static void
dewyatt@4759
   632
IME_UpdateInputLocale(SDL_VideoData *videodata)
dewyatt@4759
   633
{
dewyatt@4760
   634
    static HKL hklprev = 0;
dewyatt@4759
   635
    videodata->ime_hkl = GetKeyboardLayout(0);
dewyatt@4760
   636
    if (hklprev == videodata->ime_hkl)
dewyatt@4759
   637
        return;
dewyatt@4759
   638
dewyatt@4760
   639
    hklprev = videodata->ime_hkl;
Daniel@4914
   640
    switch (PRIMLANG()) {
Daniel@4913
   641
    case LANG_CHINESE:
Daniel@4913
   642
        videodata->ime_candvertical = SDL_TRUE;
Daniel@4913
   643
        if (SUBLANG() == SUBLANG_CHINESE_SIMPLIFIED)
Daniel@4913
   644
            videodata->ime_candvertical = SDL_FALSE;
Daniel@4913
   645
Daniel@4913
   646
        break;
Daniel@4913
   647
    case LANG_JAPANESE:
Daniel@4913
   648
        videodata->ime_candvertical = SDL_TRUE;
Daniel@4913
   649
        break;
Daniel@4913
   650
    case LANG_KOREAN:
Daniel@4913
   651
        videodata->ime_candvertical = SDL_FALSE;
Daniel@4913
   652
        break;
Daniel@4913
   653
    }
dewyatt@4759
   654
}
dewyatt@4759
   655
dewyatt@4759
   656
static void
dewyatt@4759
   657
IME_ClearComposition(SDL_VideoData *videodata)
dewyatt@4759
   658
{
dewyatt@4759
   659
    HIMC himc = 0;
dewyatt@4759
   660
    if (!videodata->ime_initialized)
dewyatt@4759
   661
        return;
dewyatt@4759
   662
dewyatt@4759
   663
    himc = ImmGetContext(videodata->ime_hwnd_current);
dewyatt@4759
   664
    if (!himc)
dewyatt@4759
   665
        return;
dewyatt@4759
   666
dewyatt@4759
   667
    ImmNotifyIME(himc, NI_COMPOSITIONSTR, CPS_CANCEL, 0);
dewyatt@4759
   668
    if (videodata->ime_uiless)
dewyatt@4759
   669
        ImmSetCompositionString(himc, SCS_SETSTR, TEXT(""), sizeof(TCHAR), TEXT(""), sizeof(TCHAR));
dewyatt@4759
   670
dewyatt@4759
   671
    ImmNotifyIME(himc, NI_CLOSECANDIDATE, 0, 0);
dewyatt@4759
   672
    ImmReleaseContext(videodata->ime_hwnd_current, himc);
dewyatt@4759
   673
    SDL_SendEditingText("", 0, 0);
dewyatt@4759
   674
}
dewyatt@4759
   675
dewyatt@4759
   676
static void
dewyatt@4759
   677
IME_GetCompositionString(SDL_VideoData *videodata, HIMC himc, DWORD string)
dewyatt@4759
   678
{
slouken@7430
   679
    LONG length = ImmGetCompositionStringW(himc, string, videodata->ime_composition, sizeof(videodata->ime_composition) - sizeof(videodata->ime_composition[0]));
dewyatt@4760
   680
    if (length < 0)
dewyatt@4760
   681
        length = 0;
dewyatt@4759
   682
dewyatt@4760
   683
    length /= sizeof(videodata->ime_composition[0]);
dewyatt@4759
   684
    videodata->ime_cursor = LOWORD(ImmGetCompositionStringW(himc, GCS_CURSORPOS, 0, 0));
slouken@7430
   685
    if (videodata->ime_cursor < SDL_arraysize(videodata->ime_composition) && videodata->ime_composition[videodata->ime_cursor] == 0x3000) {
dewyatt@4759
   686
        int i;
dewyatt@4760
   687
        for (i = videodata->ime_cursor + 1; i < length; ++i)
dewyatt@4759
   688
            videodata->ime_composition[i - 1] = videodata->ime_composition[i];
dewyatt@4759
   689
dewyatt@4760
   690
        --length;
dewyatt@4759
   691
    }
dewyatt@4760
   692
    videodata->ime_composition[length] = 0;
dewyatt@4759
   693
}
dewyatt@4759
   694
dewyatt@4759
   695
static void
dewyatt@4759
   696
IME_SendInputEvent(SDL_VideoData *videodata)
dewyatt@4759
   697
{
dewyatt@4759
   698
    char *s = 0;
dewyatt@4759
   699
    s = WIN_StringToUTF8(videodata->ime_composition);
dewyatt@4759
   700
    SDL_SendKeyboardText(s);
dewyatt@4759
   701
    SDL_free(s);
dewyatt@4759
   702
dewyatt@4759
   703
    videodata->ime_composition[0] = 0;
dewyatt@4759
   704
    videodata->ime_readingstring[0] = 0;
dewyatt@4759
   705
    videodata->ime_cursor = 0;
dewyatt@4759
   706
}
dewyatt@4759
   707
dewyatt@4759
   708
static void
dewyatt@4759
   709
IME_SendEditingEvent(SDL_VideoData *videodata)
dewyatt@4759
   710
{
dewyatt@4759
   711
    char *s = 0;
dewyatt@4760
   712
    WCHAR buffer[SDL_TEXTEDITINGEVENT_TEXT_SIZE];
slouken@7430
   713
    const size_t size = SDL_arraysize(buffer);
dewyatt@4760
   714
    buffer[0] = 0;
dewyatt@4760
   715
    if (videodata->ime_readingstring[0]) {
dewyatt@4759
   716
        size_t len = SDL_min(SDL_wcslen(videodata->ime_composition), (size_t)videodata->ime_cursor);
dewyatt@4760
   717
        SDL_wcslcpy(buffer, videodata->ime_composition, len + 1);
slouken@7430
   718
        SDL_wcslcat(buffer, videodata->ime_readingstring, size);
slouken@7430
   719
        SDL_wcslcat(buffer, &videodata->ime_composition[len], size);
dewyatt@4759
   720
    }
dewyatt@4760
   721
    else {
slouken@7430
   722
        SDL_wcslcpy(buffer, videodata->ime_composition, size);
dewyatt@4759
   723
    }
dewyatt@4760
   724
    s = WIN_StringToUTF8(buffer);
dewyatt@4759
   725
    SDL_SendEditingText(s, videodata->ime_cursor + SDL_wcslen(videodata->ime_readingstring), 0);
dewyatt@4759
   726
    SDL_free(s);
dewyatt@4759
   727
}
dewyatt@4759
   728
Daniel@4913
   729
static void
Daniel@4913
   730
IME_AddCandidate(SDL_VideoData *videodata, UINT i, LPCWSTR candidate)
Daniel@4913
   731
{
Daniel@4913
   732
    LPWSTR dst = videodata->ime_candidates[i];
Daniel@4913
   733
    *dst++ = (WCHAR)(TEXT('0') + ((i + videodata->ime_candlistindexbase) % 10));
Daniel@4913
   734
    if (videodata->ime_candvertical)
Daniel@4913
   735
        *dst++ = TEXT(' ');
Daniel@4913
   736
Daniel@4913
   737
    while (*candidate && (SDL_arraysize(videodata->ime_candidates[i]) > (dst - videodata->ime_candidates[i])))
Daniel@4913
   738
        *dst++ = *candidate++;
Daniel@4913
   739
Daniel@4913
   740
    *dst = (WCHAR)'\0';
Daniel@4913
   741
}
Daniel@4913
   742
Daniel@4913
   743
static void
Daniel@4913
   744
IME_GetCandidateList(HIMC himc, SDL_VideoData *videodata)
Daniel@4913
   745
{
Daniel@4913
   746
    LPCANDIDATELIST cand_list = 0;
Daniel@4913
   747
    DWORD size = ImmGetCandidateListW(himc, 0, 0, 0);
Daniel@4914
   748
    if (size) {
Daniel@4913
   749
        cand_list = (LPCANDIDATELIST)SDL_malloc(size);
Daniel@4914
   750
        if (cand_list) {
Daniel@4913
   751
            size = ImmGetCandidateListW(himc, 0, cand_list, size);
Daniel@4914
   752
            if (size) {
slouken@8976
   753
                UINT i, j;
slouken@8976
   754
                UINT page_start = 0;
Daniel@4913
   755
                videodata->ime_candsel = cand_list->dwSelection;
Daniel@4913
   756
                videodata->ime_candcount = cand_list->dwCount;
Daniel@4913
   757
Daniel@4914
   758
                if (LANG() == LANG_CHS && IME_GetId(videodata, 0)) {
Daniel@4913
   759
                    const UINT maxcandchar = 18;
slouken@7870
   760
                    size_t cchars = 0;
Daniel@4913
   761
slouken@8976
   762
                    for (i = 0; i < videodata->ime_candcount; ++i) {
slouken@7870
   763
                        size_t len = SDL_wcslen((LPWSTR)((DWORD_PTR)cand_list + cand_list->dwOffset[i])) + 1;
Daniel@4914
   764
                        if (len + cchars > maxcandchar) {
Daniel@4913
   765
                            if (i > cand_list->dwSelection)
Daniel@4913
   766
                                break;
Daniel@4913
   767
Daniel@4913
   768
                            page_start = i;
Daniel@4913
   769
                            cchars = len;
Daniel@4913
   770
                        }
Daniel@4914
   771
                        else {
Daniel@4913
   772
                            cchars += len;
Daniel@4913
   773
                        }
Daniel@4913
   774
                    }
Daniel@4913
   775
                    videodata->ime_candpgsize = i - page_start;
slouken@8976
   776
                } else {
Daniel@4913
   777
                    videodata->ime_candpgsize = SDL_min(cand_list->dwPageSize, MAX_CANDLIST);
Daniel@4913
   778
                    page_start = (cand_list->dwSelection / videodata->ime_candpgsize) * videodata->ime_candpgsize;
Daniel@4913
   779
                }
Daniel@4913
   780
                SDL_memset(&videodata->ime_candidates, 0, sizeof(videodata->ime_candidates));
Daniel@4914
   781
                for (i = page_start, j = 0; (DWORD)i < cand_list->dwCount && j < (int)videodata->ime_candpgsize; i++, j++) {
slouken@5108
   782
                    LPCWSTR candidate = (LPCWSTR)((DWORD_PTR)cand_list + cand_list->dwOffset[i]);
Daniel@4913
   783
                    IME_AddCandidate(videodata, j, candidate);
Daniel@4913
   784
                }
Daniel@4913
   785
                if (PRIMLANG() == LANG_KOREAN || (PRIMLANG() == LANG_CHT && !IME_GetId(videodata, 0)))
Daniel@4913
   786
                    videodata->ime_candsel = -1;
Daniel@4913
   787
Daniel@4913
   788
            }
Daniel@4913
   789
            SDL_free(cand_list);
Daniel@4913
   790
        }
Daniel@4913
   791
    }
Daniel@4913
   792
}
Daniel@4913
   793
Daniel@4913
   794
static void
Daniel@4913
   795
IME_ShowCandidateList(SDL_VideoData *videodata)
Daniel@4913
   796
{
Daniel@4913
   797
    videodata->ime_dirty = SDL_TRUE;
Daniel@4913
   798
    videodata->ime_candlist = SDL_TRUE;
Daniel@4913
   799
    IME_DestroyTextures(videodata);
Daniel@4913
   800
    IME_SendEditingEvent(videodata);
Daniel@4913
   801
}
Daniel@4913
   802
Daniel@4913
   803
static void
Daniel@4913
   804
IME_HideCandidateList(SDL_VideoData *videodata)
Daniel@4913
   805
{
Daniel@4913
   806
    videodata->ime_dirty = SDL_FALSE;
Daniel@4913
   807
    videodata->ime_candlist = SDL_FALSE;
Daniel@4913
   808
    IME_DestroyTextures(videodata);
Daniel@4913
   809
    IME_SendEditingEvent(videodata);
Daniel@4913
   810
}
Daniel@4913
   811
dewyatt@4752
   812
SDL_bool
dewyatt@4752
   813
IME_HandleMessage(HWND hwnd, UINT msg, WPARAM wParam, LPARAM *lParam, SDL_VideoData *videodata)
dewyatt@4752
   814
{
dewyatt@4752
   815
    SDL_bool trap = SDL_FALSE;
dewyatt@4752
   816
    HIMC himc = 0;
dewyatt@4752
   817
    if (!videodata->ime_initialized || !videodata->ime_available || !videodata->ime_enabled)
dewyatt@4752
   818
        return SDL_FALSE;
dewyatt@4752
   819
Daniel@4914
   820
    switch (msg) {
dewyatt@4752
   821
    case WM_INPUTLANGCHANGE:
Daniel@4913
   822
        IME_InputLangChanged(videodata);
dewyatt@4752
   823
        break;
dewyatt@4752
   824
    case WM_IME_SETCONTEXT:
dewyatt@4752
   825
        *lParam = 0;
dewyatt@4752
   826
        break;
dewyatt@4752
   827
    case WM_IME_STARTCOMPOSITION:
dewyatt@4752
   828
        trap = SDL_TRUE;
dewyatt@4752
   829
        break;
dewyatt@4752
   830
    case WM_IME_COMPOSITION:
dewyatt@4752
   831
        trap = SDL_TRUE;
dewyatt@4752
   832
        himc = ImmGetContext(hwnd);
dewyatt@4760
   833
        if (*lParam & GCS_RESULTSTR) {
dewyatt@4759
   834
            IME_GetCompositionString(videodata, himc, GCS_RESULTSTR);
dewyatt@4759
   835
            IME_SendInputEvent(videodata);
dewyatt@4752
   836
        }
dewyatt@4760
   837
        if (*lParam & GCS_COMPSTR) {
dewyatt@4759
   838
            if (!videodata->ime_uiless)
dewyatt@4759
   839
                videodata->ime_readingstring[0] = 0;
dewyatt@4759
   840
dewyatt@4759
   841
            IME_GetCompositionString(videodata, himc, GCS_COMPSTR);
dewyatt@4759
   842
            IME_SendEditingEvent(videodata);
dewyatt@4752
   843
        }
dewyatt@4752
   844
        ImmReleaseContext(hwnd, himc);
dewyatt@4752
   845
        break;
dewyatt@4752
   846
    case WM_IME_ENDCOMPOSITION:
dewyatt@4759
   847
        videodata->ime_composition[0] = 0;
dewyatt@4759
   848
        videodata->ime_readingstring[0] = 0;
dewyatt@4759
   849
        videodata->ime_cursor = 0;
dewyatt@4759
   850
        SDL_SendEditingText("", 0, 0);
dewyatt@4752
   851
        break;
dewyatt@4752
   852
    case WM_IME_NOTIFY:
Daniel@4914
   853
        switch (wParam) {
dewyatt@4752
   854
        case IMN_SETCONVERSIONMODE:
dewyatt@4752
   855
        case IMN_SETOPENSTATUS:
dewyatt@4759
   856
            IME_UpdateInputLocale(videodata);
dewyatt@4752
   857
            break;
dewyatt@4752
   858
        case IMN_OPENCANDIDATE:
dewyatt@4752
   859
        case IMN_CHANGECANDIDATE:
Daniel@4913
   860
            if (videodata->ime_uiless)
Daniel@4913
   861
                break;
Daniel@4913
   862
dewyatt@4752
   863
            trap = SDL_TRUE;
Daniel@4913
   864
            IME_ShowCandidateList(videodata);
Daniel@4913
   865
            himc = ImmGetContext(hwnd);
Daniel@4913
   866
            if (!himc)
Daniel@4913
   867
                break;
Daniel@4913
   868
Daniel@4913
   869
            IME_GetCandidateList(himc, videodata);
Daniel@4913
   870
            ImmReleaseContext(hwnd, himc);
dewyatt@4752
   871
            break;
dewyatt@4752
   872
        case IMN_CLOSECANDIDATE:
dewyatt@4752
   873
            trap = SDL_TRUE;
Daniel@4913
   874
            IME_HideCandidateList(videodata);
dewyatt@4752
   875
            break;
dewyatt@4752
   876
        case IMN_PRIVATE:
dewyatt@4759
   877
            {
dewyatt@4759
   878
                DWORD dwId = IME_GetId(videodata, 0);
dewyatt@4759
   879
                IME_GetReadingString(videodata, hwnd);
dewyatt@4759
   880
                switch (dwId)
dewyatt@4759
   881
                {
dewyatt@4759
   882
                case IMEID_CHT_VER42:
dewyatt@4759
   883
                case IMEID_CHT_VER43:
dewyatt@4759
   884
                case IMEID_CHT_VER44:
dewyatt@4759
   885
                case IMEID_CHS_VER41:
dewyatt@4759
   886
                case IMEID_CHS_VER42:
dewyatt@4759
   887
                    if (*lParam == 1 || *lParam == 2)
dewyatt@4759
   888
                        trap = SDL_TRUE;
dewyatt@4759
   889
dewyatt@4759
   890
                    break;
dewyatt@4759
   891
                case IMEID_CHT_VER50:
dewyatt@4759
   892
                case IMEID_CHT_VER51:
dewyatt@4759
   893
                case IMEID_CHT_VER52:
dewyatt@4759
   894
                case IMEID_CHT_VER60:
dewyatt@4759
   895
                case IMEID_CHS_VER53:
dewyatt@4759
   896
                    if (*lParam == 16
dewyatt@4759
   897
                        || *lParam == 17
dewyatt@4759
   898
                        || *lParam == 26
dewyatt@4759
   899
                        || *lParam == 27
dewyatt@4759
   900
                        || *lParam == 28)
dewyatt@4759
   901
                        trap = SDL_TRUE;
dewyatt@4759
   902
                    break;
dewyatt@4759
   903
                }
dewyatt@4759
   904
            }
dewyatt@4752
   905
            break;
dewyatt@4752
   906
        default:
dewyatt@4752
   907
            trap = SDL_TRUE;
dewyatt@4752
   908
            break;
dewyatt@4752
   909
        }
dewyatt@4752
   910
        break;
dewyatt@4752
   911
    }
dewyatt@4752
   912
    return trap;
dewyatt@4752
   913
}
dewyatt@4752
   914
Daniel@4913
   915
static void
Daniel@4913
   916
IME_CloseCandidateList(SDL_VideoData *videodata)
Daniel@4913
   917
{
Daniel@4913
   918
    IME_HideCandidateList(videodata);
Daniel@4913
   919
    videodata->ime_candcount = 0;
Daniel@4913
   920
    SDL_memset(videodata->ime_candidates, 0, sizeof(videodata->ime_candidates));
Daniel@4913
   921
}
Daniel@4913
   922
Daniel@4913
   923
static void
Daniel@4913
   924
UILess_GetCandidateList(SDL_VideoData *videodata, ITfCandidateListUIElement *pcandlist)
Daniel@4913
   925
{
Daniel@4913
   926
    UINT selection = 0;
Daniel@4913
   927
    UINT count = 0;
Daniel@4913
   928
    UINT page = 0;
Daniel@4913
   929
    UINT pgcount = 0;
Daniel@4913
   930
    DWORD pgstart = 0;
Daniel@4913
   931
    DWORD pgsize = 0;
Daniel@4913
   932
    UINT i, j;
Daniel@4913
   933
    pcandlist->lpVtbl->GetSelection(pcandlist, &selection);
Daniel@4913
   934
    pcandlist->lpVtbl->GetCount(pcandlist, &count);
Daniel@4913
   935
    pcandlist->lpVtbl->GetCurrentPage(pcandlist, &page);
Daniel@4913
   936
Daniel@4913
   937
    videodata->ime_candsel = selection;
Daniel@4913
   938
    videodata->ime_candcount = count;
Daniel@4913
   939
    IME_ShowCandidateList(videodata);
Daniel@4913
   940
Daniel@4913
   941
    pcandlist->lpVtbl->GetPageIndex(pcandlist, 0, 0, &pgcount);
Daniel@4914
   942
    if (pgcount > 0) {
Daniel@4913
   943
        UINT *idxlist = SDL_malloc(sizeof(UINT) * pgcount);
Daniel@4914
   944
        if (idxlist) {
Daniel@4913
   945
            pcandlist->lpVtbl->GetPageIndex(pcandlist, idxlist, pgcount, &pgcount);
Daniel@4913
   946
            pgstart = idxlist[page];
Daniel@4913
   947
            if (page < pgcount - 1)
Daniel@4913
   948
                pgsize = SDL_min(count, idxlist[page + 1]) - pgstart;
Daniel@4913
   949
            else
Daniel@4913
   950
                pgsize = count - pgstart;
Daniel@4913
   951
Daniel@4913
   952
            SDL_free(idxlist);
Daniel@4913
   953
        }
Daniel@4913
   954
    }
Daniel@4913
   955
    videodata->ime_candpgsize = SDL_min(pgsize, MAX_CANDLIST);
Daniel@4913
   956
    videodata->ime_candsel = videodata->ime_candsel - pgstart;
Daniel@4913
   957
Daniel@4913
   958
    SDL_memset(videodata->ime_candidates, 0, sizeof(videodata->ime_candidates));
Daniel@4914
   959
    for (i = pgstart, j = 0; (DWORD)i < count && j < videodata->ime_candpgsize; i++, j++) {
Daniel@4913
   960
        BSTR bstr;
Daniel@4914
   961
        if (SUCCEEDED(pcandlist->lpVtbl->GetString(pcandlist, i, &bstr))) {
Daniel@4914
   962
            if (bstr) {
Daniel@4913
   963
                IME_AddCandidate(videodata, j, bstr);
Daniel@4913
   964
                SysFreeString(bstr);
Daniel@4913
   965
            }
Daniel@4913
   966
        }
Daniel@4913
   967
    }
Daniel@4913
   968
    if (PRIMLANG() == LANG_KOREAN)
Daniel@4913
   969
        videodata->ime_candsel = -1;
Daniel@4913
   970
}
Daniel@4913
   971
dewyatt@4759
   972
STDMETHODIMP_(ULONG) TSFSink_AddRef(TSFSink *sink)
dewyatt@4759
   973
{
dewyatt@4759
   974
    return ++sink->refcount;
dewyatt@4759
   975
}
dewyatt@4759
   976
dewyatt@4759
   977
STDMETHODIMP_(ULONG)TSFSink_Release(TSFSink *sink)
dewyatt@4759
   978
{
dewyatt@4759
   979
    --sink->refcount;
Daniel@4914
   980
    if (sink->refcount == 0) {
dewyatt@4759
   981
        SDL_free(sink);
dewyatt@4759
   982
        return 0;
dewyatt@4759
   983
    }
dewyatt@4759
   984
    return sink->refcount;
dewyatt@4759
   985
}
dewyatt@4759
   986
dewyatt@4759
   987
STDMETHODIMP UIElementSink_QueryInterface(TSFSink *sink, REFIID riid, PVOID *ppv)
dewyatt@4759
   988
{
dewyatt@4759
   989
    if (!ppv)
dewyatt@4759
   990
        return E_INVALIDARG;
dewyatt@4759
   991
dewyatt@4759
   992
    *ppv = 0;
dewyatt@4759
   993
    if (SDL_IsEqualIID(riid, &IID_IUnknown))
dewyatt@4759
   994
        *ppv = (IUnknown *)sink;
dewyatt@4759
   995
    else if (SDL_IsEqualIID(riid, &IID_ITfUIElementSink))
dewyatt@4759
   996
        *ppv = (ITfUIElementSink *)sink;
dewyatt@4759
   997
dewyatt@4760
   998
    if (*ppv) {
dewyatt@4759
   999
        TSFSink_AddRef(sink);
dewyatt@4759
  1000
        return S_OK;
dewyatt@4759
  1001
    }
dewyatt@4759
  1002
    return E_NOINTERFACE;
dewyatt@4759
  1003
}
dewyatt@4759
  1004
dewyatt@4759
  1005
ITfUIElement *UILess_GetUIElement(SDL_VideoData *videodata, DWORD dwUIElementId)
dewyatt@4759
  1006
{
dewyatt@4759
  1007
    ITfUIElementMgr *puiem = 0;
dewyatt@4759
  1008
    ITfUIElement *pelem = 0;
dewyatt@4759
  1009
    ITfThreadMgrEx *threadmgrex = videodata->ime_threadmgrex;
dewyatt@4759
  1010
dewyatt@4760
  1011
    if (SUCCEEDED(threadmgrex->lpVtbl->QueryInterface(threadmgrex, &IID_ITfUIElementMgr, (LPVOID *)&puiem))) {
dewyatt@4759
  1012
        puiem->lpVtbl->GetUIElement(puiem, dwUIElementId, &pelem);
dewyatt@4759
  1013
        puiem->lpVtbl->Release(puiem);
dewyatt@4759
  1014
    }
dewyatt@4759
  1015
    return pelem;
dewyatt@4759
  1016
}
dewyatt@4759
  1017
dewyatt@4759
  1018
STDMETHODIMP UIElementSink_BeginUIElement(TSFSink *sink, DWORD dwUIElementId, BOOL *pbShow)
dewyatt@4759
  1019
{
dewyatt@4760
  1020
    ITfUIElement *element = UILess_GetUIElement((SDL_VideoData *)sink->data, dwUIElementId);
dewyatt@4759
  1021
    ITfReadingInformationUIElement *preading = 0;
Daniel@4913
  1022
    ITfCandidateListUIElement *pcandlist = 0;
dewyatt@4759
  1023
    SDL_VideoData *videodata = (SDL_VideoData *)sink->data;
dewyatt@4760
  1024
    if (!element)
dewyatt@4759
  1025
        return E_INVALIDARG;
dewyatt@4759
  1026
dewyatt@4759
  1027
    *pbShow = FALSE;
dewyatt@4760
  1028
    if (SUCCEEDED(element->lpVtbl->QueryInterface(element, &IID_ITfReadingInformationUIElement, (LPVOID *)&preading))) {
dewyatt@4759
  1029
        BSTR bstr;
dewyatt@4760
  1030
        if (SUCCEEDED(preading->lpVtbl->GetString(preading, &bstr)) && bstr) {
dewyatt@4759
  1031
            SysFreeString(bstr);
dewyatt@4759
  1032
        }
dewyatt@4759
  1033
        preading->lpVtbl->Release(preading);
dewyatt@4759
  1034
    }
slouken@7191
  1035
    else if (SUCCEEDED(element->lpVtbl->QueryInterface(element, &IID_ITfCandidateListUIElement, (LPVOID *)&pcandlist))) {
Daniel@4913
  1036
        videodata->ime_candref++;
Daniel@4913
  1037
        UILess_GetCandidateList(videodata, pcandlist);
Daniel@4913
  1038
        pcandlist->lpVtbl->Release(pcandlist);
Daniel@4913
  1039
    }
dewyatt@4759
  1040
    return S_OK;
dewyatt@4759
  1041
}
dewyatt@4759
  1042
dewyatt@4759
  1043
STDMETHODIMP UIElementSink_UpdateUIElement(TSFSink *sink, DWORD dwUIElementId)
dewyatt@4759
  1044
{
dewyatt@4760
  1045
    ITfUIElement *element = UILess_GetUIElement((SDL_VideoData *)sink->data, dwUIElementId);
dewyatt@4759
  1046
    ITfReadingInformationUIElement *preading = 0;
Daniel@4913
  1047
    ITfCandidateListUIElement *pcandlist = 0;
dewyatt@4759
  1048
    SDL_VideoData *videodata = (SDL_VideoData *)sink->data;
dewyatt@4760
  1049
    if (!element)
dewyatt@4759
  1050
        return E_INVALIDARG;
dewyatt@4759
  1051
dewyatt@4760
  1052
    if (SUCCEEDED(element->lpVtbl->QueryInterface(element, &IID_ITfReadingInformationUIElement, (LPVOID *)&preading))) {
dewyatt@4759
  1053
        BSTR bstr;
dewyatt@4760
  1054
        if (SUCCEEDED(preading->lpVtbl->GetString(preading, &bstr)) && bstr) {
dewyatt@4759
  1055
            WCHAR *s = (WCHAR *)bstr;
slouken@7430
  1056
            SDL_wcslcpy(videodata->ime_readingstring, s, SDL_arraysize(videodata->ime_readingstring));
dewyatt@4759
  1057
            IME_SendEditingEvent(videodata);
dewyatt@4759
  1058
            SysFreeString(bstr);
dewyatt@4759
  1059
        }
dewyatt@4759
  1060
        preading->lpVtbl->Release(preading);
dewyatt@4759
  1061
    }
slouken@7191
  1062
    else if (SUCCEEDED(element->lpVtbl->QueryInterface(element, &IID_ITfCandidateListUIElement, (LPVOID *)&pcandlist))) {
Daniel@4913
  1063
        UILess_GetCandidateList(videodata, pcandlist);
Daniel@4913
  1064
        pcandlist->lpVtbl->Release(pcandlist);
Daniel@4913
  1065
    }
dewyatt@4759
  1066
    return S_OK;
dewyatt@4759
  1067
}
dewyatt@4759
  1068
dewyatt@4759
  1069
STDMETHODIMP UIElementSink_EndUIElement(TSFSink *sink, DWORD dwUIElementId)
dewyatt@4759
  1070
{
dewyatt@4760
  1071
    ITfUIElement *element = UILess_GetUIElement((SDL_VideoData *)sink->data, dwUIElementId);
dewyatt@4759
  1072
    ITfReadingInformationUIElement *preading = 0;
Daniel@4913
  1073
    ITfCandidateListUIElement *pcandlist = 0;
dewyatt@4759
  1074
    SDL_VideoData *videodata = (SDL_VideoData *)sink->data;
dewyatt@4760
  1075
    if (!element)
dewyatt@4759
  1076
        return E_INVALIDARG;
dewyatt@4759
  1077
dewyatt@4760
  1078
    if (SUCCEEDED(element->lpVtbl->QueryInterface(element, &IID_ITfReadingInformationUIElement, (LPVOID *)&preading))) {
dewyatt@4759
  1079
        videodata->ime_readingstring[0] = 0;
dewyatt@4759
  1080
        IME_SendEditingEvent(videodata);
dewyatt@4759
  1081
        preading->lpVtbl->Release(preading);
dewyatt@4759
  1082
    }
Daniel@4913
  1083
    if (SUCCEEDED(element->lpVtbl->QueryInterface(element, &IID_ITfCandidateListUIElement, (LPVOID *)&pcandlist))) {
Daniel@4913
  1084
        videodata->ime_candref--;
Daniel@4913
  1085
        if (videodata->ime_candref == 0)
Daniel@4913
  1086
            IME_CloseCandidateList(videodata);
Daniel@4913
  1087
Daniel@4913
  1088
        pcandlist->lpVtbl->Release(pcandlist);
Daniel@4913
  1089
    }
dewyatt@4759
  1090
    return S_OK;
dewyatt@4759
  1091
}
dewyatt@4759
  1092
dewyatt@4759
  1093
STDMETHODIMP IPPASink_QueryInterface(TSFSink *sink, REFIID riid, PVOID *ppv)
dewyatt@4759
  1094
{
dewyatt@4759
  1095
    if (!ppv)
dewyatt@4759
  1096
        return E_INVALIDARG;
dewyatt@4759
  1097
dewyatt@4759
  1098
    *ppv = 0;
dewyatt@4759
  1099
    if (SDL_IsEqualIID(riid, &IID_IUnknown))
dewyatt@4759
  1100
        *ppv = (IUnknown *)sink;
dewyatt@4759
  1101
    else if (SDL_IsEqualIID(riid, &IID_ITfInputProcessorProfileActivationSink))
dewyatt@4759
  1102
        *ppv = (ITfInputProcessorProfileActivationSink *)sink;
dewyatt@4759
  1103
dewyatt@4760
  1104
    if (*ppv) {
dewyatt@4759
  1105
        TSFSink_AddRef(sink);
dewyatt@4759
  1106
        return S_OK;
dewyatt@4759
  1107
    }
dewyatt@4759
  1108
    return E_NOINTERFACE;
dewyatt@4759
  1109
}
dewyatt@4759
  1110
dewyatt@4759
  1111
STDMETHODIMP IPPASink_OnActivated(TSFSink *sink, DWORD dwProfileType, LANGID langid, REFCLSID clsid, REFGUID catid, REFGUID guidProfile, HKL hkl, DWORD dwFlags)
dewyatt@4759
  1112
{
icculus@6403
  1113
    static const GUID TF_PROFILE_DAYI = { 0x037B2C25, 0x480C, 0x4D7F, { 0xB0, 0x27, 0xD6, 0xCA, 0x6B, 0x69, 0x78, 0x8A } };
Daniel@4913
  1114
    SDL_VideoData *videodata = (SDL_VideoData *)sink->data;
Daniel@4913
  1115
    videodata->ime_candlistindexbase = SDL_IsEqualGUID(&TF_PROFILE_DAYI, guidProfile) ? 0 : 1;
dewyatt@4759
  1116
    if (SDL_IsEqualIID(catid, &GUID_TFCAT_TIP_KEYBOARD) && (dwFlags & TF_IPSINK_FLAG_ACTIVE))
dewyatt@4759
  1117
        IME_InputLangChanged((SDL_VideoData *)sink->data);
dewyatt@4759
  1118
Daniel@4913
  1119
    IME_HideCandidateList(videodata);
dewyatt@4759
  1120
    return S_OK;
dewyatt@4759
  1121
}
dewyatt@4759
  1122
dewyatt@4759
  1123
static void *vtUIElementSink[] = {
dewyatt@4759
  1124
    (void *)(UIElementSink_QueryInterface),
dewyatt@4759
  1125
    (void *)(TSFSink_AddRef),
dewyatt@4759
  1126
    (void *)(TSFSink_Release),
dewyatt@4759
  1127
    (void *)(UIElementSink_BeginUIElement),
dewyatt@4759
  1128
    (void *)(UIElementSink_UpdateUIElement),
dewyatt@4759
  1129
    (void *)(UIElementSink_EndUIElement)
dewyatt@4759
  1130
};
dewyatt@4759
  1131
dewyatt@4759
  1132
static void *vtIPPASink[] = {
dewyatt@4759
  1133
    (void *)(IPPASink_QueryInterface),
dewyatt@4759
  1134
    (void *)(TSFSink_AddRef),
dewyatt@4759
  1135
    (void *)(TSFSink_Release),
dewyatt@4759
  1136
    (void *)(IPPASink_OnActivated)
dewyatt@4759
  1137
};
dewyatt@4759
  1138
dewyatt@4759
  1139
static void
dewyatt@4759
  1140
UILess_EnableUIUpdates(SDL_VideoData *videodata)
dewyatt@4759
  1141
{
dewyatt@4759
  1142
    ITfSource *source = 0;
dewyatt@4759
  1143
    if (!videodata->ime_threadmgrex || videodata->ime_uielemsinkcookie != TF_INVALID_COOKIE)
dewyatt@4759
  1144
        return;
dewyatt@4759
  1145
dewyatt@4760
  1146
    if (SUCCEEDED(videodata->ime_threadmgrex->lpVtbl->QueryInterface(videodata->ime_threadmgrex, &IID_ITfSource, (LPVOID *)&source))) {
dewyatt@4759
  1147
        source->lpVtbl->AdviseSink(source, &IID_ITfUIElementSink, (IUnknown *)videodata->ime_uielemsink, &videodata->ime_uielemsinkcookie);
dewyatt@4759
  1148
        source->lpVtbl->Release(source);
dewyatt@4759
  1149
    }
dewyatt@4759
  1150
}
dewyatt@4759
  1151
dewyatt@4759
  1152
static void
dewyatt@4759
  1153
UILess_DisableUIUpdates(SDL_VideoData *videodata)
dewyatt@4759
  1154
{
dewyatt@4759
  1155
    ITfSource *source = 0;
dewyatt@4759
  1156
    if (!videodata->ime_threadmgrex || videodata->ime_uielemsinkcookie == TF_INVALID_COOKIE)
dewyatt@4759
  1157
        return;
dewyatt@4759
  1158
dewyatt@4760
  1159
    if (SUCCEEDED(videodata->ime_threadmgrex->lpVtbl->QueryInterface(videodata->ime_threadmgrex, &IID_ITfSource, (LPVOID *)&source))) {
dewyatt@4759
  1160
        source->lpVtbl->UnadviseSink(source, videodata->ime_uielemsinkcookie);
dewyatt@4759
  1161
        videodata->ime_uielemsinkcookie = TF_INVALID_COOKIE;
dewyatt@4759
  1162
        source->lpVtbl->Release(source);
dewyatt@4759
  1163
    }
dewyatt@4759
  1164
}
dewyatt@4759
  1165
dewyatt@4759
  1166
static SDL_bool
dewyatt@4759
  1167
UILess_SetupSinks(SDL_VideoData *videodata)
dewyatt@4759
  1168
{
dewyatt@4759
  1169
    TfClientId clientid = 0;
dewyatt@4759
  1170
    SDL_bool result = SDL_FALSE;
dewyatt@4759
  1171
    ITfSource *source = 0;
Daniel@4893
  1172
    if (FAILED(CoCreateInstance(&CLSID_TF_ThreadMgr, NULL, CLSCTX_INPROC_SERVER, &IID_ITfThreadMgrEx, (LPVOID *)&videodata->ime_threadmgrex)))
dewyatt@4759
  1173
        return SDL_FALSE;
dewyatt@4759
  1174
dewyatt@4759
  1175
    if (FAILED(videodata->ime_threadmgrex->lpVtbl->ActivateEx(videodata->ime_threadmgrex, &clientid, TF_TMAE_UIELEMENTENABLEDONLY)))
dewyatt@4759
  1176
        return SDL_FALSE;
dewyatt@4759
  1177
dewyatt@4759
  1178
    videodata->ime_uielemsink = SDL_malloc(sizeof(TSFSink));
dewyatt@4759
  1179
    videodata->ime_ippasink = SDL_malloc(sizeof(TSFSink));
dewyatt@4759
  1180
dewyatt@4759
  1181
    videodata->ime_uielemsink->lpVtbl = vtUIElementSink;
dewyatt@4759
  1182
    videodata->ime_uielemsink->refcount = 1;
dewyatt@4759
  1183
    videodata->ime_uielemsink->data = videodata;
dewyatt@4759
  1184
dewyatt@4759
  1185
    videodata->ime_ippasink->lpVtbl = vtIPPASink;
dewyatt@4759
  1186
    videodata->ime_ippasink->refcount = 1;
dewyatt@4759
  1187
    videodata->ime_ippasink->data = videodata;
dewyatt@4759
  1188
dewyatt@4760
  1189
    if (SUCCEEDED(videodata->ime_threadmgrex->lpVtbl->QueryInterface(videodata->ime_threadmgrex, &IID_ITfSource, (LPVOID *)&source))) {
dewyatt@4760
  1190
        if (SUCCEEDED(source->lpVtbl->AdviseSink(source, &IID_ITfUIElementSink, (IUnknown *)videodata->ime_uielemsink, &videodata->ime_uielemsinkcookie))) {
dewyatt@4760
  1191
            if (SUCCEEDED(source->lpVtbl->AdviseSink(source, &IID_ITfInputProcessorProfileActivationSink, (IUnknown *)videodata->ime_ippasink, &videodata->ime_alpnsinkcookie))) {
dewyatt@4759
  1192
                result = SDL_TRUE;
dewyatt@4759
  1193
            }
dewyatt@4759
  1194
        }
dewyatt@4759
  1195
        source->lpVtbl->Release(source);
dewyatt@4759
  1196
    }
dewyatt@4759
  1197
    return result;
dewyatt@4759
  1198
}
dewyatt@4759
  1199
dewyatt@4759
  1200
#define SAFE_RELEASE(p)                             \
dewyatt@4759
  1201
{                                                   \
dewyatt@4759
  1202
    if (p) {                                        \
dewyatt@4759
  1203
        (p)->lpVtbl->Release((p));                  \
dewyatt@4759
  1204
        (p) = 0;                                    \
dewyatt@4759
  1205
    }                                               \
dewyatt@4759
  1206
}
dewyatt@4759
  1207
dewyatt@4759
  1208
static void
dewyatt@4759
  1209
UILess_ReleaseSinks(SDL_VideoData *videodata)
dewyatt@4759
  1210
{
dewyatt@4760
  1211
    ITfSource *source = 0;
Daniel@4893
  1212
    if (videodata->ime_threadmgrex && SUCCEEDED(videodata->ime_threadmgrex->lpVtbl->QueryInterface(videodata->ime_threadmgrex, &IID_ITfSource, (LPVOID *)&source))) {
dewyatt@4760
  1213
        source->lpVtbl->UnadviseSink(source, videodata->ime_uielemsinkcookie);
dewyatt@4760
  1214
        source->lpVtbl->UnadviseSink(source, videodata->ime_alpnsinkcookie);
dewyatt@4760
  1215
        SAFE_RELEASE(source);
dewyatt@4759
  1216
        videodata->ime_threadmgrex->lpVtbl->Deactivate(videodata->ime_threadmgrex);
dewyatt@4759
  1217
        SAFE_RELEASE(videodata->ime_threadmgrex);
dewyatt@4759
  1218
        TSFSink_Release(videodata->ime_uielemsink);
dewyatt@4759
  1219
        videodata->ime_uielemsink = 0;
dewyatt@4759
  1220
        TSFSink_Release(videodata->ime_ippasink);
dewyatt@4759
  1221
        videodata->ime_ippasink = 0;
dewyatt@4759
  1222
    }
dewyatt@4759
  1223
}
dewyatt@4759
  1224
Daniel@4913
  1225
static void *
Daniel@4913
  1226
StartDrawToBitmap(HDC hdc, HBITMAP *hhbm, int width, int height)
Daniel@4913
  1227
{
slouken@5455
  1228
    BITMAPINFO info;
Daniel@4913
  1229
    BITMAPINFOHEADER *infoHeader = &info.bmiHeader;
Daniel@4913
  1230
    BYTE *bits = NULL;
Daniel@4914
  1231
    if (hhbm) {
slouken@5455
  1232
        SDL_zero(info);
Daniel@4913
  1233
        infoHeader->biSize = sizeof(BITMAPINFOHEADER);
Daniel@4913
  1234
        infoHeader->biWidth = width;
Daniel@4913
  1235
        infoHeader->biHeight = -1 * SDL_abs(height);
Daniel@4913
  1236
        infoHeader->biPlanes = 1;
Daniel@4913
  1237
        infoHeader->biBitCount = 32;
Daniel@4913
  1238
        infoHeader->biCompression = BI_RGB;
Daniel@4913
  1239
        *hhbm = CreateDIBSection(hdc, &info, DIB_RGB_COLORS, (void **)&bits, 0, 0);
Daniel@4913
  1240
        if (*hhbm)
Daniel@4913
  1241
            SelectObject(hdc, *hhbm);
Daniel@4913
  1242
    }
Daniel@4913
  1243
    return bits;
Daniel@4913
  1244
}
Daniel@4913
  1245
Daniel@4913
  1246
static void
Daniel@4913
  1247
StopDrawToBitmap(HDC hdc, HBITMAP *hhbm)
Daniel@4913
  1248
{
Daniel@4914
  1249
    if (hhbm && *hhbm) {
Daniel@4913
  1250
        DeleteObject(*hhbm);
Daniel@4913
  1251
        *hhbm = NULL;
Daniel@4913
  1252
    }
Daniel@4913
  1253
}
Daniel@4913
  1254
Daniel@4913
  1255
/* This draws only within the specified area and fills the entire region. */
Daniel@4913
  1256
static void
Daniel@4913
  1257
DrawRect(HDC hdc, int left, int top, int right, int bottom, int pensize)
Daniel@4913
  1258
{
Daniel@4913
  1259
    /* The case of no pen (PenSize = 0) is automatically taken care of. */
Daniel@4913
  1260
    const int penadjust = (int)SDL_floor(pensize / 2.0f - 0.5f);
Daniel@4913
  1261
    left += pensize / 2;
Daniel@4913
  1262
    top += pensize / 2;
Daniel@4913
  1263
    right -= penadjust;
Daniel@4913
  1264
    bottom -= penadjust;
Daniel@4913
  1265
    Rectangle(hdc, left, top, right, bottom);
Daniel@4913
  1266
}
Daniel@4913
  1267
Daniel@4913
  1268
static void
Daniel@4913
  1269
IME_DestroyTextures(SDL_VideoData *videodata)
Daniel@4913
  1270
{
Daniel@4913
  1271
}
Daniel@4913
  1272
Daniel@4913
  1273
#define SDL_swap(a,b) { \
Daniel@4913
  1274
    int c = (a);        \
Daniel@4913
  1275
    (a) = (b);          \
Daniel@4913
  1276
    (b) = c;            \
Daniel@4913
  1277
    }
Daniel@4913
  1278
Daniel@4913
  1279
static void
Daniel@4913
  1280
IME_PositionCandidateList(SDL_VideoData *videodata, SIZE size)
Daniel@4913
  1281
{
Daniel@4913
  1282
    int left, top, right, bottom;
Daniel@4913
  1283
    SDL_bool ok = SDL_FALSE;
Daniel@4913
  1284
    int winw = videodata->ime_winwidth;
Daniel@4913
  1285
    int winh = videodata->ime_winheight;
Daniel@4913
  1286
Daniel@4913
  1287
    /* Bottom */
Daniel@4913
  1288
    left = videodata->ime_rect.x;
Daniel@4913
  1289
    top = videodata->ime_rect.y + videodata->ime_rect.h;
Daniel@4913
  1290
    right = left + size.cx;
Daniel@4913
  1291
    bottom = top + size.cy;
Daniel@4914
  1292
    if (right >= winw) {
Daniel@4913
  1293
        left -= right - winw;
Daniel@4913
  1294
        right = winw;
Daniel@4913
  1295
    }
Daniel@4913
  1296
    if (bottom < winh)
Daniel@4913
  1297
        ok = SDL_TRUE;
Daniel@4913
  1298
Daniel@4913
  1299
    /* Top */
Daniel@4914
  1300
    if (!ok) {
Daniel@4913
  1301
        left = videodata->ime_rect.x;
Daniel@4913
  1302
        top = videodata->ime_rect.y - size.cy;
Daniel@4913
  1303
        right = left + size.cx;
Daniel@4913
  1304
        bottom = videodata->ime_rect.y;
Daniel@4914
  1305
        if (right >= winw) {
Daniel@4913
  1306
            left -= right - winw;
Daniel@4913
  1307
            right = winw;
Daniel@4913
  1308
        }
Daniel@4913
  1309
        if (top >= 0)
Daniel@4913
  1310
            ok = SDL_TRUE;
Daniel@4913
  1311
    }
Daniel@4913
  1312
Daniel@4913
  1313
    /* Right */
Daniel@4914
  1314
    if (!ok) {
Daniel@4913
  1315
        left = videodata->ime_rect.x + size.cx;
Daniel@4913
  1316
        top = 0;
Daniel@4913
  1317
        right = left + size.cx;
Daniel@4913
  1318
        bottom = size.cy;
Daniel@4913
  1319
        if (right < winw)
Daniel@4913
  1320
            ok = SDL_TRUE;
Daniel@4913
  1321
    }
Daniel@4913
  1322
Daniel@4913
  1323
    /* Left */
Daniel@4914
  1324
    if (!ok) {
Daniel@4913
  1325
        left = videodata->ime_rect.x - size.cx;
Daniel@4913
  1326
        top = 0;
Daniel@4913
  1327
        right = videodata->ime_rect.x;
Daniel@4913
  1328
        bottom = size.cy;
Daniel@4913
  1329
        if (right >= 0)
Daniel@4913
  1330
            ok = SDL_TRUE;
Daniel@4913
  1331
    }
Daniel@4913
  1332
Daniel@4913
  1333
    /* Window too small, show at (0,0) */
Daniel@4914
  1334
    if (!ok) {
Daniel@4913
  1335
        left = 0;
Daniel@4913
  1336
        top = 0;
Daniel@4913
  1337
        right = size.cx;
Daniel@4913
  1338
        bottom = size.cy;
Daniel@4913
  1339
    }
Daniel@4913
  1340
Daniel@4913
  1341
    videodata->ime_candlistrect.x = left;
Daniel@4913
  1342
    videodata->ime_candlistrect.y = top;
Daniel@4913
  1343
    videodata->ime_candlistrect.w = right - left;
Daniel@4913
  1344
    videodata->ime_candlistrect.h = bottom - top;
Daniel@4913
  1345
}
Daniel@4913
  1346
Daniel@4913
  1347
static void
Daniel@4913
  1348
IME_RenderCandidateList(SDL_VideoData *videodata, HDC hdc)
Daniel@4913
  1349
{
Daniel@4916
  1350
    int i, j;
Daniel@4913
  1351
    SIZE size = {0};
Daniel@4916
  1352
    SIZE candsizes[MAX_CANDLIST];
Daniel@4913
  1353
    SIZE maxcandsize = {0};
Daniel@4913
  1354
    HBITMAP hbm = NULL;
Daniel@4913
  1355
    const int candcount = SDL_min(SDL_min(MAX_CANDLIST, videodata->ime_candcount), videodata->ime_candpgsize);
Daniel@4913
  1356
    SDL_bool vertical = videodata->ime_candvertical;
Daniel@4913
  1357
Daniel@4913
  1358
    const int listborder = 1;
Daniel@4913
  1359
    const int listpadding = 0;
Daniel@4913
  1360
    const int listbordercolor = RGB(0xB4, 0xC7, 0xAA);
Daniel@4913
  1361
    const int listfillcolor = RGB(255, 255, 255);
Daniel@4913
  1362
Daniel@4913
  1363
    const int candborder = 1;
Daniel@4913
  1364
    const int candpadding = 0;
Daniel@4913
  1365
    const int candmargin = 1;
Daniel@4913
  1366
    const COLORREF candbordercolor = RGB(255, 255, 255);
Daniel@4913
  1367
    const COLORREF candfillcolor = RGB(255, 255, 255);
Daniel@4913
  1368
    const COLORREF candtextcolor = RGB(0, 0, 0);
Daniel@4913
  1369
    const COLORREF selbordercolor = RGB(0x84, 0xAC, 0xDD);
Daniel@4913
  1370
    const COLORREF selfillcolor = RGB(0xD2, 0xE6, 0xFF);
Daniel@4913
  1371
    const COLORREF seltextcolor = RGB(0, 0, 0);
Daniel@4916
  1372
    const int horzcandspacing = 5;
Daniel@4913
  1373
Daniel@4913
  1374
    HPEN listpen = listborder != 0 ? CreatePen(PS_SOLID, listborder, listbordercolor) : (HPEN)GetStockObject(NULL_PEN);
Daniel@4913
  1375
    HBRUSH listbrush = CreateSolidBrush(listfillcolor);
Daniel@4913
  1376
    HPEN candpen = candborder != 0 ? CreatePen(PS_SOLID, candborder, candbordercolor) : (HPEN)GetStockObject(NULL_PEN);
Daniel@4913
  1377
    HBRUSH candbrush = CreateSolidBrush(candfillcolor);
Daniel@4913
  1378
    HPEN selpen = candborder != 0 ? CreatePen(PS_DOT, candborder, selbordercolor) : (HPEN)GetStockObject(NULL_PEN);
Daniel@4913
  1379
    HBRUSH selbrush = CreateSolidBrush(selfillcolor);
Daniel@4913
  1380
    HFONT font = CreateFont((int)(1 + videodata->ime_rect.h * 0.75f), 0, 0, 0, FW_NORMAL, FALSE, FALSE, FALSE, DEFAULT_CHARSET, OUT_CHARACTER_PRECIS, CLIP_DEFAULT_PRECIS, PROOF_QUALITY, VARIABLE_PITCH | FF_SWISS, TEXT("Microsoft Sans Serif"));
Daniel@4913
  1381
Daniel@4913
  1382
    SetBkMode(hdc, TRANSPARENT);
Daniel@4913
  1383
    SelectObject(hdc, font);
Daniel@4913
  1384
Daniel@4914
  1385
    for (i = 0; i < candcount; ++i) {
Daniel@4913
  1386
        const WCHAR *s = videodata->ime_candidates[i];
Daniel@4913
  1387
        if (!*s)
Daniel@4913
  1388
            break;
Daniel@4913
  1389
Daniel@4916
  1390
        GetTextExtentPoint32W(hdc, s, SDL_wcslen(s), &candsizes[i]);
Daniel@4916
  1391
        maxcandsize.cx = SDL_max(maxcandsize.cx, candsizes[i].cx);
Daniel@4916
  1392
        maxcandsize.cy = SDL_max(maxcandsize.cy, candsizes[i].cy);
Daniel@4913
  1393
Daniel@4913
  1394
    }
Daniel@4916
  1395
    if (vertical) {
Daniel@4916
  1396
        size.cx =
Daniel@4916
  1397
            (listborder * 2) +
Daniel@4916
  1398
            (listpadding * 2) +
Daniel@4916
  1399
            (candmargin * 2) +
Daniel@4916
  1400
            (candborder * 2) +
Daniel@4916
  1401
            (candpadding * 2) +
Daniel@4916
  1402
            (maxcandsize.cx)
Daniel@4916
  1403
            ;
Daniel@4916
  1404
        size.cy =
Daniel@4916
  1405
            (listborder * 2) +
Daniel@4916
  1406
            (listpadding * 2) +
Daniel@4916
  1407
            ((candcount + 1) * candmargin) +
Daniel@4916
  1408
            (candcount * candborder * 2) +
Daniel@4916
  1409
            (candcount * candpadding * 2) +
Daniel@4916
  1410
            (candcount * maxcandsize.cy)
Daniel@4916
  1411
            ;
Daniel@4916
  1412
    }
Daniel@4916
  1413
    else {
Daniel@4916
  1414
        size.cx =
Daniel@4916
  1415
            (listborder * 2) +
Daniel@4916
  1416
            (listpadding * 2) +
Daniel@4916
  1417
            ((candcount + 1) * candmargin) +
Daniel@4916
  1418
            (candcount * candborder * 2) +
Daniel@4916
  1419
            (candcount * candpadding * 2) +
Daniel@4916
  1420
            ((candcount - 1) * horzcandspacing);
Daniel@4916
  1421
        ;
Daniel@4913
  1422
Daniel@4916
  1423
        for (i = 0; i < candcount; ++i)
Daniel@4916
  1424
            size.cx += candsizes[i].cx;
Daniel@4916
  1425
Daniel@4916
  1426
        size.cy =
Daniel@4916
  1427
            (listborder * 2) +
Daniel@4916
  1428
            (listpadding * 2) +
Daniel@4916
  1429
            (candmargin * 2) +
Daniel@4916
  1430
            (candborder * 2) +
Daniel@4916
  1431
            (candpadding * 2) +
Daniel@4916
  1432
            (maxcandsize.cy)
Daniel@4916
  1433
            ;
Daniel@4916
  1434
    }
Daniel@4913
  1435
slouken@7225
  1436
    StartDrawToBitmap(hdc, &hbm, size.cx, size.cy);
Daniel@4913
  1437
Daniel@4913
  1438
    SelectObject(hdc, listpen);
Daniel@4913
  1439
    SelectObject(hdc, listbrush);
Daniel@4913
  1440
    DrawRect(hdc, 0, 0, size.cx, size.cy, listborder);
Daniel@4913
  1441
Daniel@4913
  1442
    SelectObject(hdc, candpen);
Daniel@4913
  1443
    SelectObject(hdc, candbrush);
Daniel@4913
  1444
    SetTextColor(hdc, candtextcolor);
Daniel@4913
  1445
    SetBkMode(hdc, TRANSPARENT);
Daniel@4913
  1446
Daniel@4914
  1447
    for (i = 0; i < candcount; ++i) {
Daniel@4913
  1448
        const WCHAR *s = videodata->ime_candidates[i];
Daniel@4913
  1449
        int left, top, right, bottom;
Daniel@4913
  1450
        if (!*s)
Daniel@4913
  1451
            break;
Daniel@4913
  1452
Daniel@4916
  1453
        if (vertical) {
Daniel@4916
  1454
            left = listborder + listpadding + candmargin;
Daniel@4916
  1455
            top = listborder + listpadding + (i * candborder * 2) + (i * candpadding * 2) + ((i + 1) * candmargin) + (i * maxcandsize.cy);
Daniel@4916
  1456
            right = size.cx - listborder - listpadding - candmargin;
Daniel@4916
  1457
            bottom = top + maxcandsize.cy + (candpadding * 2) + (candborder * 2);
Daniel@4916
  1458
        }
Daniel@4916
  1459
        else {
Daniel@4916
  1460
            left = listborder + listpadding + (i * candborder * 2) + (i * candpadding * 2) + ((i + 1) * candmargin) + (i * horzcandspacing);
Daniel@4913
  1461
Daniel@4916
  1462
            for (j = 0; j < i; ++j)
Daniel@4916
  1463
                left += candsizes[j].cx;
Daniel@4913
  1464
Daniel@4916
  1465
            top = listborder + listpadding + candmargin;
Daniel@4916
  1466
            right = left + candsizes[i].cx + (candpadding * 2) + (candborder * 2);
Daniel@4916
  1467
            bottom = size.cy - listborder - listpadding - candmargin;
Daniel@4913
  1468
        }
Daniel@4913
  1469
Daniel@4914
  1470
        if (i == videodata->ime_candsel) {
Daniel@4913
  1471
            SelectObject(hdc, selpen);
Daniel@4913
  1472
            SelectObject(hdc, selbrush);
Daniel@4913
  1473
            SetTextColor(hdc, seltextcolor);
Daniel@4913
  1474
        }
Daniel@4914
  1475
        else {
Daniel@4913
  1476
            SelectObject(hdc, candpen);
Daniel@4913
  1477
            SelectObject(hdc, candbrush);
Daniel@4913
  1478
            SetTextColor(hdc, candtextcolor);
Daniel@4913
  1479
        }
Daniel@4913
  1480
Daniel@4913
  1481
        DrawRect(hdc, left, top, right, bottom, candborder);
Daniel@4913
  1482
        ExtTextOutW(hdc, left + candborder + candpadding, top + candborder + candpadding, 0, NULL, s, SDL_wcslen(s), NULL);
Daniel@4913
  1483
    }
Daniel@4913
  1484
    StopDrawToBitmap(hdc, &hbm);
Daniel@4913
  1485
Daniel@4913
  1486
    DeleteObject(listpen);
Daniel@4913
  1487
    DeleteObject(listbrush);
Daniel@4913
  1488
    DeleteObject(candpen);
Daniel@4913
  1489
    DeleteObject(candbrush);
Daniel@4913
  1490
    DeleteObject(selpen);
Daniel@4913
  1491
    DeleteObject(selbrush);
Daniel@4913
  1492
    DeleteObject(font);
Daniel@4913
  1493
Daniel@4913
  1494
    IME_PositionCandidateList(videodata, size);
Daniel@4913
  1495
}
Daniel@4913
  1496
Daniel@4913
  1497
static void
Daniel@4913
  1498
IME_Render(SDL_VideoData *videodata)
Daniel@4913
  1499
{
Daniel@4913
  1500
    HDC hdc = CreateCompatibleDC(NULL);
Daniel@4913
  1501
Daniel@4913
  1502
    if (videodata->ime_candlist)
Daniel@4913
  1503
        IME_RenderCandidateList(videodata, hdc);
Daniel@4913
  1504
Daniel@4913
  1505
    DeleteDC(hdc);
Daniel@4913
  1506
Daniel@4913
  1507
    videodata->ime_dirty = SDL_FALSE;
Daniel@4913
  1508
}
Daniel@4913
  1509
Daniel@4913
  1510
void IME_Present(SDL_VideoData *videodata)
Daniel@4913
  1511
{
Daniel@4913
  1512
    if (videodata->ime_dirty)
Daniel@4913
  1513
        IME_Render(videodata);
Daniel@4913
  1514
slouken@7191
  1515
    /* FIXME: Need to show the IME bitmap */
Daniel@4913
  1516
}
Daniel@4913
  1517
slouken@5086
  1518
#endif /* SDL_DISABLE_WINDOWS_IME */
slouken@5086
  1519
slouken@6044
  1520
#endif /* SDL_VIDEO_DRIVER_WINDOWS */
slouken@6044
  1521
slouken@1895
  1522
/* vi: set ts=4 sw=4 expandtab: */