src/video/windows/SDL_windowskeyboard.c
author Sam Lantinga <slouken@libsdl.org>
Tue, 30 Oct 2012 18:59:56 -0700
changeset 6620 62fe18dc6841
parent 6430 48d519500f7e
child 6808 3ad413bd1cd6
permissions -rw-r--r--
Added Windows message box implementation, but it needs a little work on layout.
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/*
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  Simple DirectMedia Layer
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  Copyright (C) 1997-2012 Sam Lantinga <slouken@libsdl.org>
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  This software is provided 'as-is', without any express or implied
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  warranty.  In no event will the authors be held liable for any damages
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  arising from the use of this software.
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  Permission is granted to anyone to use this software for any purpose,
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  including commercial applications, and to alter it and redistribute it
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  freely, subject to the following restrictions:
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  1. The origin of this software must not be misrepresented; you must not
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     claim that you wrote the original software. If you use this software
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     in a product, an acknowledgment in the product documentation would be
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     appreciated but is not required.
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  2. Altered source versions must be plainly marked as such, and must not be
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     misrepresented as being the original software.
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  3. This notice may not be removed or altered from any source distribution.
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*/
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#include "SDL_config.h"
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#if SDL_VIDEO_DRIVER_WINDOWS
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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);
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static void IME_Enable(SDL_VideoData *videodata, HWND hwnd);
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static void IME_Disable(SDL_VideoData *videodata, HWND hwnd);
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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
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#define MAPVK_VK_TO_VSC     0
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#endif
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#ifndef MAPVK_VSC_TO_VK
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#define MAPVK_VSC_TO_VK     1
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#endif
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#ifndef MAPVK_VK_TO_CHAR
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#define MAPVK_VK_TO_CHAR    2
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#endif
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/* Alphabetic scancodes for PC keyboards */
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BYTE alpha_scancodes[26] = {
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    30, 48, 46, 32, 18, 33, 34, 35, 23, 36, 37, 38, 50, 49, 24,
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    25, 16, 19, 31, 20, 22, 47, 17, 45, 21, 44
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};
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BYTE keypad_scancodes[10] = {
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    82, 79, 80, 81, 75, 76, 77, 71, 72, 73
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};
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void
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WIN_InitKeyboard(_THIS)
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{
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    SDL_VideoData *data = (SDL_VideoData *) _this->driverdata;
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    int i;
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    /* 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
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            ("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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    }
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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
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            ("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] =
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                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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    }
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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;
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    data->ime_enabled = SDL_FALSE;
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    data->ime_available = SDL_FALSE;
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    data->ime_hwnd_main = 0;
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    data->ime_hwnd_current = 0;
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    data->ime_himc = 0;
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    data->ime_composition[0] = 0;
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    data->ime_readingstring[0] = 0;
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    data->ime_cursor = 0;
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    data->ime_candlist = SDL_FALSE;
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    SDL_memset(data->ime_candidates, 0, sizeof(data->ime_candidates));
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    data->ime_candcount = 0;
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    data->ime_candref = 0;
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    data->ime_candsel = 0;
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    data->ime_candpgsize = 0;
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    data->ime_candlistindexbase = 0;
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    data->ime_candvertical = SDL_TRUE;
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    data->ime_dirty = SDL_FALSE;
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    SDL_memset(&data->ime_rect, 0, sizeof(data->ime_rect));
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    SDL_memset(&data->ime_candlistrect, 0, sizeof(data->ime_candlistrect));
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    data->ime_winwidth = 0;
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    data->ime_winheight = 0;
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    data->ime_hkl = 0;
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    data->ime_himm32 = 0;
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    data->GetReadingString = 0;
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    data->ShowReadingWindow = 0;
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    data->ImmLockIMC = 0;
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    data->ImmUnlockIMC = 0;
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    data->ImmLockIMCC = 0;
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    data->ImmUnlockIMCC = 0;
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    data->ime_uiless = SDL_FALSE;
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    data->ime_threadmgrex = 0;
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    data->ime_uielemsinkcookie = TF_INVALID_COOKIE;
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    data->ime_alpnsinkcookie = TF_INVALID_COOKIE;
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    data->ime_openmodesinkcookie = TF_INVALID_COOKIE;
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    data->ime_convmodesinkcookie = TF_INVALID_COOKIE;
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    data->ime_uielemsink = 0;
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    data->ime_ippasink = 0;
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    WIN_UpdateKeymap();
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    SDL_SetScancodeName(SDL_SCANCODE_APPLICATION, "Menu");
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    SDL_SetScancodeName(SDL_SCANCODE_LGUI, "Left Windows");
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    SDL_SetScancodeName(SDL_SCANCODE_RGUI, "Right Windows");
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}
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void
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WIN_UpdateKeymap()
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{
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    int i;
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    SDL_Scancode scancode;
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    SDL_Keycode keymap[SDL_NUM_SCANCODES];
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    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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        }
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        /* Alphabetic keys are handled specially, since Windows remaps them */
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        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;
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        } else {
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            keymap[scancode] = (MapVirtualKey(i, MAPVK_VK_TO_CHAR) & 0x7FFF);
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        }
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    }
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    SDL_SetKeymap(0, keymap, SDL_NUM_SCANCODES);
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}
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void
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WIN_QuitKeyboard(_THIS)
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{
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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;
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        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);
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        IME_Enable(videodata, hwnd);
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    }
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#endif /* !SDL_DISABLE_WINDOWS_IME */
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}
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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;
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        SDL_VideoData *videodata = (SDL_VideoData *)_this->driverdata;
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        IME_Init(videodata, hwnd);
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        IME_Disable(videodata, hwnd);
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    }
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#endif /* !SDL_DISABLE_WINDOWS_IME */
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}
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void
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WIN_SetTextInputRect(_THIS, SDL_Rect *rect)
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{
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    SDL_VideoData *videodata = (SDL_VideoData *)_this->driverdata;
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    videodata->ime_rect = *rect;
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}
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#ifdef SDL_DISABLE_WINDOWS_IME
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SDL_bool
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IME_HandleMessage(HWND hwnd, UINT msg, WPARAM wParam, LPARAM *lParam, SDL_VideoData *videodata)
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{
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    return SDL_FALSE;
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}
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void IME_Present(SDL_VideoData *videodata)
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{
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}
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#else
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#ifdef __GNUC__
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#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);
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DEFINE_GUID(IID_ITfUIElementSink,                              0xEA1EA136,0x19DF,0x11D7,0xA6,0xD2,0x00,0x06,0x5B,0x84,0x43,0x5C);
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DEFINE_GUID(GUID_TFCAT_TIP_KEYBOARD,                           0x34745C63,0xB2F0,0x4784,0x8B,0x67,0x5E,0x12,0xC8,0x70,0x1A,0x31);
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DEFINE_GUID(IID_ITfSource,                                     0x4EA48A35,0x60AE,0x446F,0x8F,0xD6,0xE6,0xA8,0xD8,0x24,0x59,0xF7);
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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);
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DEFINE_GUID(IID_ITfThreadMgr,                                  0xAA80E801,0x2021,0x11D2,0x93,0xE0,0x00,0x60,0xB0,0x67,0xB8,0x6E);
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DEFINE_GUID(CLSID_TF_ThreadMgr,                                0x529A9E6B,0x6587,0x4F23,0xAB,0x9E,0x9C,0x7D,0x68,0x3E,0x3C,0x50);
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DEFINE_GUID(IID_ITfThreadMgrEx,                                0x3E90ADE3,0x7594,0x4CB0,0xBB,0x58,0x69,0x62,0x8F,0x5F,0x45,0x8C);
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#endif
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#define LANG_CHT MAKELANGID(LANG_CHINESE, SUBLANG_CHINESE_TRADITIONAL)
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#define LANG_CHS MAKELANGID(LANG_CHINESE, SUBLANG_CHINESE_SIMPLIFIED)
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#define MAKEIMEVERSION(major,minor) ((DWORD) (((BYTE)(major) << 24) | ((BYTE)(minor) << 16) ))
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#define IMEID_VER(id) ((id) & 0xffff0000)
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#define IMEID_LANG(id) ((id) & 0x0000ffff)
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#define CHT_HKL_DAYI            ((HKL)0xE0060404)
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#define CHT_HKL_NEW_PHONETIC    ((HKL)0xE0080404)
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#define CHT_HKL_NEW_CHANG_JIE   ((HKL)0xE0090404)
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#define CHT_HKL_NEW_QUICK       ((HKL)0xE00A0404)
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#define CHT_HKL_HK_CANTONESE    ((HKL)0xE00B0404)
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#define CHT_IMEFILENAME1        "TINTLGNT.IME"
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#define CHT_IMEFILENAME2        "CINTLGNT.IME"
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#define CHT_IMEFILENAME3        "MSTCIPHA.IME"
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#define IMEID_CHT_VER42         (LANG_CHT | MAKEIMEVERSION(4, 2))
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#define IMEID_CHT_VER43         (LANG_CHT | MAKEIMEVERSION(4, 3))
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#define IMEID_CHT_VER44         (LANG_CHT | MAKEIMEVERSION(4, 4))
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#define IMEID_CHT_VER50         (LANG_CHT | MAKEIMEVERSION(5, 0))
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#define IMEID_CHT_VER51         (LANG_CHT | MAKEIMEVERSION(5, 1))
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#define IMEID_CHT_VER52         (LANG_CHT | MAKEIMEVERSION(5, 2))
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#define IMEID_CHT_VER60         (LANG_CHT | MAKEIMEVERSION(6, 0))
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#define IMEID_CHT_VER_VISTA     (LANG_CHT | MAKEIMEVERSION(7, 0))
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#define CHS_HKL                 ((HKL)0xE00E0804)
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#define CHS_IMEFILENAME1        "PINTLGNT.IME"
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#define CHS_IMEFILENAME2        "MSSCIPYA.IME"
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#define IMEID_CHS_VER41         (LANG_CHS | MAKEIMEVERSION(4, 1))
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#define IMEID_CHS_VER42         (LANG_CHS | MAKEIMEVERSION(4, 2))
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#define IMEID_CHS_VER53         (LANG_CHS | MAKEIMEVERSION(5, 3))
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#define LANG() LOWORD((videodata->ime_hkl))
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#define PRIMLANG() ((WORD)PRIMARYLANGID(LANG()))
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#define SUBLANG() SUBLANGID(LANG())
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static void IME_UpdateInputLocale(SDL_VideoData *videodata);
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static void IME_ClearComposition(SDL_VideoData *videodata);
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static void IME_SetWindow(SDL_VideoData* videodata, HWND hwnd);
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static void IME_SetupAPI(SDL_VideoData *videodata);
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static DWORD IME_GetId(SDL_VideoData *videodata, UINT uIndex);
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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)
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#define SDL_IsEqualGUID(rguid1, rguid2) (!SDL_memcmp(rguid1, rguid2, sizeof(GUID)))
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static SDL_bool UILess_SetupSinks(SDL_VideoData *videodata);
dewyatt@4759
   295
static void UILess_ReleaseSinks(SDL_VideoData *videodata);
dewyatt@4759
   296
static void UILess_EnableUIUpdates(SDL_VideoData *videodata);
dewyatt@4759
   297
static void UILess_DisableUIUpdates(SDL_VideoData *videodata);
dewyatt@4759
   298
dewyatt@4759
   299
static void
dewyatt@4759
   300
IME_Init(SDL_VideoData *videodata, HWND hwnd)
dewyatt@4752
   301
{
dewyatt@4759
   302
    if (videodata->ime_initialized)
dewyatt@4752
   303
        return;
dewyatt@4752
   304
dewyatt@4759
   305
    videodata->ime_hwnd_main = hwnd;
icculus@5591
   306
    if (SUCCEEDED(WIN_CoInitialize())) {
dewyatt@4759
   307
        videodata->ime_com_initialized = SDL_TRUE;
Daniel@4893
   308
        CoCreateInstance(&CLSID_TF_ThreadMgr, NULL, CLSCTX_INPROC_SERVER, &IID_ITfThreadMgr, (LPVOID *)&videodata->ime_threadmgr);
dewyatt@4759
   309
    }
dewyatt@4759
   310
    videodata->ime_initialized = SDL_TRUE;
slouken@5090
   311
    videodata->ime_himm32 = SDL_LoadObject("imm32.dll");
dewyatt@4759
   312
    if (!videodata->ime_himm32) {
dewyatt@4759
   313
        videodata->ime_available = SDL_FALSE;
dewyatt@4759
   314
        return;
dewyatt@4759
   315
    }
slouken@5090
   316
    videodata->ImmLockIMC = (LPINPUTCONTEXT2 (WINAPI *)(HIMC))SDL_LoadFunction(videodata->ime_himm32, "ImmLockIMC");
slouken@5090
   317
    videodata->ImmUnlockIMC = (BOOL (WINAPI *)(HIMC))SDL_LoadFunction(videodata->ime_himm32, "ImmUnlockIMC");
slouken@5090
   318
    videodata->ImmLockIMCC = (LPVOID (WINAPI *)(HIMCC))SDL_LoadFunction(videodata->ime_himm32, "ImmLockIMCC");
slouken@5090
   319
    videodata->ImmUnlockIMCC = (BOOL (WINAPI *)(HIMCC))SDL_LoadFunction(videodata->ime_himm32, "ImmUnlockIMCC");
dewyatt@4752
   320
dewyatt@4759
   321
    IME_SetWindow(videodata, hwnd);
dewyatt@4759
   322
    videodata->ime_himc = ImmGetContext(hwnd);
dewyatt@4759
   323
    ImmReleaseContext(hwnd, videodata->ime_himc);
dewyatt@4759
   324
    if (!videodata->ime_himc) {
dewyatt@4759
   325
        videodata->ime_available = SDL_FALSE;
dewyatt@4759
   326
        IME_Disable(videodata, hwnd);
dewyatt@4759
   327
        return;
dewyatt@4759
   328
    }
dewyatt@4759
   329
    videodata->ime_available = SDL_TRUE;
dewyatt@4759
   330
    IME_UpdateInputLocale(videodata);
dewyatt@4759
   331
    IME_SetupAPI(videodata);
dewyatt@4759
   332
    videodata->ime_uiless = UILess_SetupSinks(videodata);
dewyatt@4759
   333
    IME_UpdateInputLocale(videodata);
dewyatt@4759
   334
    IME_Disable(videodata, hwnd);
dewyatt@4752
   335
}
dewyatt@4752
   336
dewyatt@4759
   337
static void
dewyatt@4752
   338
IME_Enable(SDL_VideoData *videodata, HWND hwnd)
dewyatt@4752
   339
{
dewyatt@4752
   340
    if (!videodata->ime_initialized || !videodata->ime_hwnd_current)
dewyatt@4752
   341
        return;
dewyatt@4752
   342
dewyatt@4752
   343
    if (!videodata->ime_available) {
dewyatt@4752
   344
        IME_Disable(videodata, hwnd);
dewyatt@4752
   345
        return;
dewyatt@4752
   346
    }
dewyatt@4752
   347
    if (videodata->ime_hwnd_current == videodata->ime_hwnd_main)
dewyatt@4752
   348
        ImmAssociateContext(videodata->ime_hwnd_current, videodata->ime_himc);
dewyatt@4752
   349
dewyatt@4752
   350
    videodata->ime_enabled = SDL_TRUE;
dewyatt@4759
   351
    IME_UpdateInputLocale(videodata);
dewyatt@4759
   352
    UILess_EnableUIUpdates(videodata);
dewyatt@4752
   353
}
dewyatt@4752
   354
dewyatt@4759
   355
static void
dewyatt@4759
   356
IME_Disable(SDL_VideoData *videodata, HWND hwnd)
dewyatt@4752
   357
{
dewyatt@4759
   358
    if (!videodata->ime_initialized || !videodata->ime_hwnd_current)
dewyatt@4752
   359
        return;
dewyatt@4752
   360
dewyatt@4759
   361
    IME_ClearComposition(videodata);
dewyatt@4759
   362
    if (videodata->ime_hwnd_current == videodata->ime_hwnd_main)
Daniel@4893
   363
        ImmAssociateContext(videodata->ime_hwnd_current, (HIMC)0);
dewyatt@4759
   364
dewyatt@4759
   365
    videodata->ime_enabled = SDL_FALSE;
dewyatt@4759
   366
    UILess_DisableUIUpdates(videodata);
dewyatt@4752
   367
}
dewyatt@4752
   368
dewyatt@4759
   369
static void
dewyatt@4752
   370
IME_Quit(SDL_VideoData *videodata)
dewyatt@4752
   371
{
dewyatt@4752
   372
    if (!videodata->ime_initialized)
dewyatt@4752
   373
        return;
dewyatt@4752
   374
dewyatt@4759
   375
    UILess_ReleaseSinks(videodata);
dewyatt@4752
   376
    if (videodata->ime_hwnd_main)
dewyatt@4752
   377
        ImmAssociateContext(videodata->ime_hwnd_main, videodata->ime_himc);
dewyatt@4752
   378
dewyatt@4752
   379
    videodata->ime_hwnd_main = 0;
dewyatt@4752
   380
    videodata->ime_himc = 0;
dewyatt@4760
   381
    if (videodata->ime_himm32) {
slouken@5090
   382
        SDL_UnloadObject(videodata->ime_himm32);
dewyatt@4759
   383
        videodata->ime_himm32 = 0;
dewyatt@4759
   384
    }
dewyatt@4760
   385
    if (videodata->ime_threadmgr) {
dewyatt@4759
   386
        videodata->ime_threadmgr->lpVtbl->Release(videodata->ime_threadmgr);
dewyatt@4759
   387
        videodata->ime_threadmgr = 0;
dewyatt@4752
   388
    }
dewyatt@4760
   389
    if (videodata->ime_com_initialized) {
icculus@5591
   390
        WIN_CoUninitialize();
dewyatt@4752
   391
        videodata->ime_com_initialized = SDL_FALSE;
dewyatt@4752
   392
    }
Daniel@4913
   393
    IME_DestroyTextures(videodata);
dewyatt@4752
   394
    videodata->ime_initialized = SDL_FALSE;
dewyatt@4752
   395
}
dewyatt@4752
   396
dewyatt@4759
   397
static void
dewyatt@4759
   398
IME_GetReadingString(SDL_VideoData *videodata, HWND hwnd)
dewyatt@4759
   399
{
dewyatt@4759
   400
    DWORD id = 0;
dewyatt@4759
   401
    HIMC himc = 0;
dewyatt@4759
   402
    WCHAR buffer[16];
dewyatt@4759
   403
    WCHAR *s = buffer;
dewyatt@4759
   404
    DWORD len = 0;
Daniel@4893
   405
    INT err = 0;
dewyatt@4759
   406
    BOOL vertical = FALSE;
dewyatt@4759
   407
    UINT maxuilen = 0;
dewyatt@4759
   408
    static OSVERSIONINFOA osversion = {0};
dewyatt@4759
   409
    if (videodata->ime_uiless)
dewyatt@4759
   410
        return;
dewyatt@4759
   411
dewyatt@4759
   412
    videodata->ime_readingstring[0] = 0;
dewyatt@4760
   413
    if (!osversion.dwOSVersionInfoSize) {
dewyatt@4759
   414
        osversion.dwOSVersionInfoSize = sizeof(osversion);
dewyatt@4759
   415
        GetVersionExA(&osversion);
dewyatt@4759
   416
    }
dewyatt@4759
   417
    id = IME_GetId(videodata, 0);
dewyatt@4759
   418
    if (!id)
dewyatt@4759
   419
        return;
dewyatt@4759
   420
dewyatt@4759
   421
    himc = ImmGetContext(hwnd);
dewyatt@4759
   422
    if (!himc)
dewyatt@4759
   423
        return;
dewyatt@4759
   424
dewyatt@4760
   425
    if (videodata->GetReadingString) {
dewyatt@4759
   426
        len = videodata->GetReadingString(himc, 0, 0, &err, &vertical, &maxuilen);
dewyatt@4760
   427
        if (len) {
dewyatt@4759
   428
            if (len > SDL_arraysize(buffer))
dewyatt@4759
   429
                len = SDL_arraysize(buffer);
dewyatt@4759
   430
dewyatt@4759
   431
            len = videodata->GetReadingString(himc, len, s, &err, &vertical, &maxuilen);
dewyatt@4759
   432
        }
dewyatt@4759
   433
        SDL_wcslcpy(videodata->ime_readingstring, s, len);
dewyatt@4759
   434
    }
dewyatt@4760
   435
    else {
dewyatt@4759
   436
        LPINPUTCONTEXT2 lpimc = videodata->ImmLockIMC(himc);
dewyatt@4759
   437
        LPBYTE p = 0;
dewyatt@4759
   438
        s = 0;
dewyatt@4759
   439
        switch (id)
dewyatt@4759
   440
        {
dewyatt@4759
   441
        case IMEID_CHT_VER42:
dewyatt@4759
   442
        case IMEID_CHT_VER43:
dewyatt@4759
   443
        case IMEID_CHT_VER44:
dewyatt@4759
   444
            p = *(LPBYTE *)((LPBYTE)videodata->ImmLockIMCC(lpimc->hPrivate) + 24);
dewyatt@4759
   445
            if (!p)
dewyatt@4759
   446
                break;
dewyatt@4759
   447
dewyatt@4759
   448
            len = *(DWORD *)(p + 7*4 + 32*4);
dewyatt@4759
   449
            s = (WCHAR *)(p + 56);
dewyatt@4759
   450
            break;
dewyatt@4759
   451
        case IMEID_CHT_VER51:
dewyatt@4759
   452
        case IMEID_CHT_VER52:
dewyatt@4759
   453
        case IMEID_CHS_VER53:
dewyatt@4759
   454
            p = *(LPBYTE *)((LPBYTE)videodata->ImmLockIMCC(lpimc->hPrivate) + 4);
dewyatt@4759
   455
            if (!p)
dewyatt@4759
   456
                break;
dewyatt@4759
   457
dewyatt@4759
   458
            p = *(LPBYTE *)((LPBYTE)p + 1*4 + 5*4);
dewyatt@4759
   459
            if (!p)
dewyatt@4759
   460
                break;
dewyatt@4759
   461
dewyatt@4759
   462
            len = *(DWORD *)(p + 1*4 + (16*2+2*4) + 5*4 + 16*2);
dewyatt@4759
   463
            s = (WCHAR *)(p + 1*4 + (16*2+2*4) + 5*4);
dewyatt@4759
   464
            break;
dewyatt@4759
   465
        case IMEID_CHS_VER41:
dewyatt@4759
   466
            {
dewyatt@4759
   467
                int offset = (IME_GetId(videodata, 1) >= 0x00000002) ? 8 : 7;
dewyatt@4759
   468
                p = *(LPBYTE *)((LPBYTE)videodata->ImmLockIMCC(lpimc->hPrivate) + offset * 4);
dewyatt@4759
   469
                if (!p)
dewyatt@4759
   470
                    break;
dewyatt@4759
   471
dewyatt@4759
   472
                len = *(DWORD *)(p + 7*4 + 16*2*4);
dewyatt@4759
   473
                s = (WCHAR *)(p + 6*4 + 16*2*1);
dewyatt@4759
   474
            }
dewyatt@4759
   475
            break;
dewyatt@4759
   476
        case IMEID_CHS_VER42:
dewyatt@4759
   477
            if (osversion.dwPlatformId != VER_PLATFORM_WIN32_NT)
dewyatt@4759
   478
                break;
dewyatt@4759
   479
dewyatt@4759
   480
            p = *(LPBYTE *)((LPBYTE)videodata->ImmLockIMCC(lpimc->hPrivate) + 1*4 + 1*4 + 6*4);
dewyatt@4759
   481
            if (!p)
dewyatt@4759
   482
                break;
dewyatt@4759
   483
dewyatt@4759
   484
            len = *(DWORD *)(p + 1*4 + (16*2+2*4) + 5*4 + 16*2);
dewyatt@4759
   485
            s = (WCHAR *)(p + 1*4 + (16*2+2*4) + 5*4);
dewyatt@4759
   486
            break;
dewyatt@4759
   487
        }
dewyatt@4759
   488
        if (s)
dewyatt@4759
   489
            SDL_wcslcpy(videodata->ime_readingstring, s, len + 1);
dewyatt@4760
   490
dewyatt@4759
   491
        videodata->ImmUnlockIMCC(lpimc->hPrivate);
dewyatt@4759
   492
        videodata->ImmUnlockIMC(himc);
dewyatt@4759
   493
    }
dewyatt@4759
   494
    ImmReleaseContext(hwnd, himc);
dewyatt@4759
   495
    IME_SendEditingEvent(videodata);
dewyatt@4759
   496
}
dewyatt@4759
   497
dewyatt@4759
   498
static void
dewyatt@4759
   499
IME_InputLangChanged(SDL_VideoData *videodata)
dewyatt@4759
   500
{
dewyatt@4760
   501
    UINT lang = PRIMLANG();
dewyatt@4759
   502
    IME_UpdateInputLocale(videodata);
Daniel@4913
   503
    if (!videodata->ime_uiless)
Daniel@4913
   504
        videodata->ime_candlistindexbase = (videodata->ime_hkl == CHT_HKL_DAYI) ? 0 : 1;
Daniel@4913
   505
dewyatt@4759
   506
    IME_SetupAPI(videodata);
dewyatt@4760
   507
    if (lang != PRIMLANG()) {
dewyatt@4759
   508
        IME_ClearComposition(videodata);
dewyatt@4759
   509
    }
dewyatt@4759
   510
}
dewyatt@4759
   511
dewyatt@4759
   512
static DWORD
dewyatt@4759
   513
IME_GetId(SDL_VideoData *videodata, UINT uIndex)
dewyatt@4759
   514
{
dewyatt@4759
   515
    static HKL hklprev = 0;
dewyatt@4759
   516
    static DWORD dwRet[2] = {0};
dewyatt@4759
   517
    DWORD dwVerSize = 0;
dewyatt@4759
   518
    DWORD dwVerHandle = 0;
dewyatt@4759
   519
    LPVOID lpVerBuffer = 0;
dewyatt@4759
   520
    LPVOID lpVerData = 0;
dewyatt@4759
   521
    UINT cbVerData = 0;
dewyatt@4759
   522
    char szTemp[256];
dewyatt@4759
   523
    HKL hkl = 0;
dewyatt@4759
   524
    DWORD dwLang = 0;
dewyatt@4759
   525
    if (uIndex >= sizeof(dwRet) / sizeof(dwRet[0]))
dewyatt@4759
   526
        return 0;
dewyatt@4759
   527
dewyatt@4759
   528
    hkl = videodata->ime_hkl;
dewyatt@4759
   529
    if (hklprev == hkl)
dewyatt@4759
   530
        return dwRet[uIndex];
dewyatt@4759
   531
dewyatt@4759
   532
    hklprev = hkl;
slouken@5108
   533
    dwLang = ((DWORD_PTR)hkl & 0xffff);
dewyatt@4760
   534
    if (videodata->ime_uiless && LANG() == LANG_CHT) {
dewyatt@4759
   535
        dwRet[0] = IMEID_CHT_VER_VISTA;
dewyatt@4759
   536
        dwRet[1] = 0;
dewyatt@4759
   537
        return dwRet[0];
dewyatt@4759
   538
    }
dewyatt@4759
   539
    if (hkl != CHT_HKL_NEW_PHONETIC
dewyatt@4759
   540
        && hkl != CHT_HKL_NEW_CHANG_JIE
dewyatt@4759
   541
        && hkl != CHT_HKL_NEW_QUICK
dewyatt@4759
   542
        && hkl != CHT_HKL_HK_CANTONESE
dewyatt@4760
   543
        && hkl != CHS_HKL) {
dewyatt@4759
   544
        dwRet[0] = dwRet[1] = 0;
dewyatt@4759
   545
        return dwRet[uIndex];
dewyatt@4759
   546
    }
dewyatt@4760
   547
    if (ImmGetIMEFileNameA(hkl, szTemp, sizeof(szTemp) - 1) <= 0) {
dewyatt@4759
   548
        dwRet[0] = dwRet[1] = 0;
dewyatt@4759
   549
        return dwRet[uIndex];
dewyatt@4759
   550
    }
dewyatt@4760
   551
    if (!videodata->GetReadingString) {
dewyatt@4759
   552
        #define LCID_INVARIANT MAKELCID(MAKELANGID(LANG_ENGLISH, SUBLANG_ENGLISH_US), SORT_DEFAULT)
dewyatt@4759
   553
        if (CompareStringA(LCID_INVARIANT, NORM_IGNORECASE, szTemp, -1, CHT_IMEFILENAME1, -1) != 2
dewyatt@4759
   554
            && CompareStringA(LCID_INVARIANT, NORM_IGNORECASE, szTemp, -1, CHT_IMEFILENAME2, -1) != 2
dewyatt@4759
   555
            && CompareStringA(LCID_INVARIANT, NORM_IGNORECASE, szTemp, -1, CHT_IMEFILENAME3, -1) != 2
dewyatt@4759
   556
            && CompareStringA(LCID_INVARIANT, NORM_IGNORECASE, szTemp, -1, CHS_IMEFILENAME1, -1) != 2
dewyatt@4760
   557
            && CompareStringA(LCID_INVARIANT, NORM_IGNORECASE, szTemp, -1, CHS_IMEFILENAME2, -1) != 2) {
dewyatt@4759
   558
            dwRet[0] = dwRet[1] = 0;
dewyatt@4759
   559
            return dwRet[uIndex];
dewyatt@4759
   560
        }
dewyatt@4759
   561
        #undef LCID_INVARIANT
dewyatt@4759
   562
        dwVerSize = GetFileVersionInfoSizeA(szTemp, &dwVerHandle);
dewyatt@4760
   563
        if (dwVerSize) {
dewyatt@4759
   564
            lpVerBuffer = SDL_malloc(dwVerSize);
dewyatt@4760
   565
            if (lpVerBuffer) {
dewyatt@4760
   566
                if (GetFileVersionInfoA(szTemp, dwVerHandle, dwVerSize, lpVerBuffer)) {
dewyatt@4760
   567
                    if (VerQueryValueA(lpVerBuffer, "\\", &lpVerData, &cbVerData)) {
dewyatt@4759
   568
                        #define pVerFixedInfo   ((VS_FIXEDFILEINFO FAR*)lpVerData)
dewyatt@4759
   569
                        DWORD dwVer = pVerFixedInfo->dwFileVersionMS;
dewyatt@4759
   570
                        dwVer = (dwVer & 0x00ff0000) << 8 | (dwVer & 0x000000ff) << 16;
icculus@6403
   571
                        if ((videodata->GetReadingString) ||
icculus@6403
   572
                            ((dwLang == LANG_CHT) && (
dewyatt@4759
   573
                            dwVer == MAKEIMEVERSION(4, 2) ||
dewyatt@4759
   574
                            dwVer == MAKEIMEVERSION(4, 3) ||
dewyatt@4759
   575
                            dwVer == MAKEIMEVERSION(4, 4) ||
dewyatt@4759
   576
                            dwVer == MAKEIMEVERSION(5, 0) ||
dewyatt@4759
   577
                            dwVer == MAKEIMEVERSION(5, 1) ||
dewyatt@4759
   578
                            dwVer == MAKEIMEVERSION(5, 2) ||
icculus@6403
   579
                            dwVer == MAKEIMEVERSION(6, 0)))
dewyatt@4759
   580
                            ||
icculus@6403
   581
                            ((dwLang == LANG_CHS) && (
dewyatt@4759
   582
                            dwVer == MAKEIMEVERSION(4, 1) ||
dewyatt@4759
   583
                            dwVer == MAKEIMEVERSION(4, 2) ||
icculus@6403
   584
                            dwVer == MAKEIMEVERSION(5, 3)))) {
dewyatt@4759
   585
                            dwRet[0] = dwVer | dwLang;
dewyatt@4759
   586
                            dwRet[1] = pVerFixedInfo->dwFileVersionLS;
dewyatt@4759
   587
                            SDL_free(lpVerBuffer);
dewyatt@4759
   588
                            return dwRet[0];
dewyatt@4759
   589
                        }
dewyatt@4759
   590
                        #undef pVerFixedInfo
dewyatt@4759
   591
                    }
dewyatt@4759
   592
                }
dewyatt@4759
   593
            }
dewyatt@4759
   594
            SDL_free(lpVerBuffer);
dewyatt@4759
   595
        }
dewyatt@4759
   596
    }
dewyatt@4759
   597
    dwRet[0] = dwRet[1] = 0;
dewyatt@4759
   598
    return dwRet[uIndex];
dewyatt@4759
   599
}
dewyatt@4759
   600
dewyatt@4759
   601
static void
dewyatt@4759
   602
IME_SetupAPI(SDL_VideoData *videodata)
dewyatt@4759
   603
{
dewyatt@4759
   604
    char ime_file[MAX_PATH + 1];
slouken@5090
   605
    void* hime = 0;
dewyatt@4759
   606
    HKL hkl = 0;
dewyatt@4759
   607
    videodata->GetReadingString = 0;
dewyatt@4759
   608
    videodata->ShowReadingWindow = 0;
dewyatt@4759
   609
    if (videodata->ime_uiless)
dewyatt@4759
   610
        return;
dewyatt@4759
   611
dewyatt@4759
   612
    hkl = videodata->ime_hkl;
dewyatt@4759
   613
    if (ImmGetIMEFileNameA(hkl, ime_file, sizeof(ime_file) - 1) <= 0)
dewyatt@4759
   614
        return;
dewyatt@4759
   615
slouken@5090
   616
    hime = SDL_LoadObject(ime_file);
dewyatt@4759
   617
    if (!hime)
dewyatt@4759
   618
        return;
dewyatt@4759
   619
dewyatt@4759
   620
    videodata->GetReadingString = (UINT (WINAPI *)(HIMC, UINT, LPWSTR, PINT, BOOL*, PUINT))
slouken@5090
   621
        SDL_LoadFunction(hime, "GetReadingString");
dewyatt@4759
   622
    videodata->ShowReadingWindow = (BOOL (WINAPI *)(HIMC, BOOL))
slouken@5090
   623
        SDL_LoadFunction(hime, "ShowReadingWindow");
dewyatt@4759
   624
dewyatt@4760
   625
    if (videodata->ShowReadingWindow) {
dewyatt@4759
   626
        HIMC himc = ImmGetContext(videodata->ime_hwnd_current);
dewyatt@4760
   627
        if (himc) {
dewyatt@4759
   628
            videodata->ShowReadingWindow(himc, FALSE);
dewyatt@4759
   629
            ImmReleaseContext(videodata->ime_hwnd_current, himc);
dewyatt@4759
   630
        }
dewyatt@4759
   631
    }
dewyatt@4759
   632
}
dewyatt@4759
   633
dewyatt@4759
   634
static void
dewyatt@4759
   635
IME_SetWindow(SDL_VideoData* videodata, HWND hwnd)
dewyatt@4759
   636
{
dewyatt@4759
   637
    videodata->ime_hwnd_current = hwnd;
dewyatt@4759
   638
    if (videodata->ime_threadmgr) {
dewyatt@4759
   639
        struct ITfDocumentMgr *document_mgr = 0;
dewyatt@4759
   640
        if (SUCCEEDED(videodata->ime_threadmgr->lpVtbl->AssociateFocus(videodata->ime_threadmgr, hwnd, NULL, &document_mgr))) {
dewyatt@4759
   641
            if (document_mgr)
dewyatt@4759
   642
                document_mgr->lpVtbl->Release(document_mgr);
dewyatt@4759
   643
        }
dewyatt@4759
   644
    }
dewyatt@4759
   645
}
dewyatt@4759
   646
dewyatt@4759
   647
static void
dewyatt@4759
   648
IME_UpdateInputLocale(SDL_VideoData *videodata)
dewyatt@4759
   649
{
dewyatt@4760
   650
    static HKL hklprev = 0;
dewyatt@4759
   651
    videodata->ime_hkl = GetKeyboardLayout(0);
dewyatt@4760
   652
    if (hklprev == videodata->ime_hkl)
dewyatt@4759
   653
        return;
dewyatt@4759
   654
dewyatt@4760
   655
    hklprev = videodata->ime_hkl;
Daniel@4914
   656
    switch (PRIMLANG()) {
Daniel@4913
   657
    case LANG_CHINESE:
Daniel@4913
   658
        videodata->ime_candvertical = SDL_TRUE;
Daniel@4913
   659
        if (SUBLANG() == SUBLANG_CHINESE_SIMPLIFIED)
Daniel@4913
   660
            videodata->ime_candvertical = SDL_FALSE;
Daniel@4913
   661
Daniel@4913
   662
        break;
Daniel@4913
   663
    case LANG_JAPANESE:
Daniel@4913
   664
        videodata->ime_candvertical = SDL_TRUE;
Daniel@4913
   665
        break;
Daniel@4913
   666
    case LANG_KOREAN:
Daniel@4913
   667
        videodata->ime_candvertical = SDL_FALSE;
Daniel@4913
   668
        break;
Daniel@4913
   669
    }
dewyatt@4759
   670
}
dewyatt@4759
   671
dewyatt@4759
   672
static void
dewyatt@4759
   673
IME_ClearComposition(SDL_VideoData *videodata)
dewyatt@4759
   674
{
dewyatt@4759
   675
    HIMC himc = 0;
dewyatt@4759
   676
    if (!videodata->ime_initialized)
dewyatt@4759
   677
        return;
dewyatt@4759
   678
dewyatt@4759
   679
    himc = ImmGetContext(videodata->ime_hwnd_current);
dewyatt@4759
   680
    if (!himc)
dewyatt@4759
   681
        return;
dewyatt@4759
   682
dewyatt@4759
   683
    ImmNotifyIME(himc, NI_COMPOSITIONSTR, CPS_CANCEL, 0);
dewyatt@4759
   684
    if (videodata->ime_uiless)
dewyatt@4759
   685
        ImmSetCompositionString(himc, SCS_SETSTR, TEXT(""), sizeof(TCHAR), TEXT(""), sizeof(TCHAR));
dewyatt@4759
   686
dewyatt@4759
   687
    ImmNotifyIME(himc, NI_CLOSECANDIDATE, 0, 0);
dewyatt@4759
   688
    ImmReleaseContext(videodata->ime_hwnd_current, himc);
dewyatt@4759
   689
    SDL_SendEditingText("", 0, 0);
dewyatt@4759
   690
}
dewyatt@4759
   691
dewyatt@4759
   692
static void
dewyatt@4759
   693
IME_GetCompositionString(SDL_VideoData *videodata, HIMC himc, DWORD string)
dewyatt@4759
   694
{
dewyatt@4760
   695
    LONG length = ImmGetCompositionStringW(himc, string, videodata->ime_composition, sizeof(videodata->ime_composition));
dewyatt@4760
   696
    if (length < 0)
dewyatt@4760
   697
        length = 0;
dewyatt@4759
   698
dewyatt@4760
   699
    length /= sizeof(videodata->ime_composition[0]);
dewyatt@4759
   700
    videodata->ime_cursor = LOWORD(ImmGetCompositionStringW(himc, GCS_CURSORPOS, 0, 0));
dewyatt@4760
   701
    if (videodata->ime_composition[videodata->ime_cursor] == 0x3000) {
dewyatt@4759
   702
        int i;
dewyatt@4760
   703
        for (i = videodata->ime_cursor + 1; i < length; ++i)
dewyatt@4759
   704
            videodata->ime_composition[i - 1] = videodata->ime_composition[i];
dewyatt@4759
   705
dewyatt@4760
   706
        --length;
dewyatt@4759
   707
    }
dewyatt@4760
   708
    videodata->ime_composition[length] = 0;
dewyatt@4759
   709
}
dewyatt@4759
   710
dewyatt@4759
   711
static void
dewyatt@4759
   712
IME_SendInputEvent(SDL_VideoData *videodata)
dewyatt@4759
   713
{
dewyatt@4759
   714
    char *s = 0;
dewyatt@4759
   715
    s = WIN_StringToUTF8(videodata->ime_composition);
dewyatt@4759
   716
    SDL_SendKeyboardText(s);
dewyatt@4759
   717
    SDL_free(s);
dewyatt@4759
   718
dewyatt@4759
   719
    videodata->ime_composition[0] = 0;
dewyatt@4759
   720
    videodata->ime_readingstring[0] = 0;
dewyatt@4759
   721
    videodata->ime_cursor = 0;
dewyatt@4759
   722
}
dewyatt@4759
   723
dewyatt@4759
   724
static void
dewyatt@4759
   725
IME_SendEditingEvent(SDL_VideoData *videodata)
dewyatt@4759
   726
{
dewyatt@4759
   727
    char *s = 0;
dewyatt@4760
   728
    WCHAR buffer[SDL_TEXTEDITINGEVENT_TEXT_SIZE];
dewyatt@4760
   729
    buffer[0] = 0;
dewyatt@4760
   730
    if (videodata->ime_readingstring[0]) {
dewyatt@4759
   731
        size_t len = SDL_min(SDL_wcslen(videodata->ime_composition), (size_t)videodata->ime_cursor);
dewyatt@4760
   732
        SDL_wcslcpy(buffer, videodata->ime_composition, len + 1);
dewyatt@4760
   733
        SDL_wcslcat(buffer, videodata->ime_readingstring, sizeof(buffer));
dewyatt@4760
   734
        SDL_wcslcat(buffer, &videodata->ime_composition[len], sizeof(buffer) - len);
dewyatt@4759
   735
    }
dewyatt@4760
   736
    else {
dewyatt@4760
   737
        SDL_wcslcpy(buffer, videodata->ime_composition, sizeof(videodata->ime_composition));
dewyatt@4759
   738
    }
dewyatt@4760
   739
    s = WIN_StringToUTF8(buffer);
dewyatt@4759
   740
    SDL_SendEditingText(s, videodata->ime_cursor + SDL_wcslen(videodata->ime_readingstring), 0);
dewyatt@4759
   741
    SDL_free(s);
dewyatt@4759
   742
}
dewyatt@4759
   743
Daniel@4913
   744
static void
Daniel@4913
   745
IME_AddCandidate(SDL_VideoData *videodata, UINT i, LPCWSTR candidate)
Daniel@4913
   746
{
Daniel@4913
   747
    LPWSTR dst = videodata->ime_candidates[i];
Daniel@4913
   748
    *dst++ = (WCHAR)(TEXT('0') + ((i + videodata->ime_candlistindexbase) % 10));
Daniel@4913
   749
    if (videodata->ime_candvertical)
Daniel@4913
   750
        *dst++ = TEXT(' ');
Daniel@4913
   751
Daniel@4913
   752
    while (*candidate && (SDL_arraysize(videodata->ime_candidates[i]) > (dst - videodata->ime_candidates[i])))
Daniel@4913
   753
        *dst++ = *candidate++;
Daniel@4913
   754
Daniel@4913
   755
    *dst = (WCHAR)'\0';
Daniel@4913
   756
}
Daniel@4913
   757
Daniel@4913
   758
static void
Daniel@4913
   759
IME_GetCandidateList(HIMC himc, SDL_VideoData *videodata)
Daniel@4913
   760
{
Daniel@4913
   761
    LPCANDIDATELIST cand_list = 0;
Daniel@4913
   762
    DWORD size = ImmGetCandidateListW(himc, 0, 0, 0);
Daniel@4914
   763
    if (size) {
Daniel@4913
   764
        cand_list = (LPCANDIDATELIST)SDL_malloc(size);
Daniel@4914
   765
        if (cand_list) {
Daniel@4913
   766
            size = ImmGetCandidateListW(himc, 0, cand_list, size);
Daniel@4914
   767
            if (size) {
Daniel@4913
   768
                int i = 0;
Daniel@4913
   769
                int j = 0;
Daniel@4913
   770
                int page_start = 0;
Daniel@4913
   771
                videodata->ime_candsel = cand_list->dwSelection;
Daniel@4913
   772
                videodata->ime_candcount = cand_list->dwCount;
Daniel@4913
   773
Daniel@4914
   774
                if (LANG() == LANG_CHS && IME_GetId(videodata, 0)) {
Daniel@4913
   775
                    const UINT maxcandchar = 18;
Daniel@4913
   776
                    UINT i = 0;
Daniel@4913
   777
                    UINT cchars = 0;
Daniel@4913
   778
Daniel@4914
   779
                    for (; i < videodata->ime_candcount; ++i) {
slouken@5108
   780
                        UINT len = SDL_wcslen((LPWSTR)((DWORD_PTR)cand_list + cand_list->dwOffset[i])) + 1;
Daniel@4914
   781
                        if (len + cchars > maxcandchar) {
Daniel@4913
   782
                            if (i > cand_list->dwSelection)
Daniel@4913
   783
                                break;
Daniel@4913
   784
Daniel@4913
   785
                            page_start = i;
Daniel@4913
   786
                            cchars = len;
Daniel@4913
   787
                        }
Daniel@4914
   788
                        else {
Daniel@4913
   789
                            cchars += len;
Daniel@4913
   790
                        }
Daniel@4913
   791
                    }
Daniel@4913
   792
                    videodata->ime_candpgsize = i - page_start;
Daniel@4913
   793
                }
Daniel@4914
   794
                else {
Daniel@4913
   795
                    videodata->ime_candpgsize = SDL_min(cand_list->dwPageSize, MAX_CANDLIST);
Daniel@4913
   796
                    page_start = (cand_list->dwSelection / videodata->ime_candpgsize) * videodata->ime_candpgsize;
Daniel@4913
   797
                }
Daniel@4913
   798
                SDL_memset(&videodata->ime_candidates, 0, sizeof(videodata->ime_candidates));
Daniel@4914
   799
                for (i = page_start, j = 0; (DWORD)i < cand_list->dwCount && j < (int)videodata->ime_candpgsize; i++, j++) {
slouken@5108
   800
                    LPCWSTR candidate = (LPCWSTR)((DWORD_PTR)cand_list + cand_list->dwOffset[i]);
Daniel@4913
   801
                    IME_AddCandidate(videodata, j, candidate);
Daniel@4913
   802
                }
Daniel@4913
   803
                if (PRIMLANG() == LANG_KOREAN || (PRIMLANG() == LANG_CHT && !IME_GetId(videodata, 0)))
Daniel@4913
   804
                    videodata->ime_candsel = -1;
Daniel@4913
   805
Daniel@4913
   806
            }
Daniel@4913
   807
            SDL_free(cand_list);
Daniel@4913
   808
        }
Daniel@4913
   809
    }
Daniel@4913
   810
}
Daniel@4913
   811
Daniel@4913
   812
static void
Daniel@4913
   813
IME_ShowCandidateList(SDL_VideoData *videodata)
Daniel@4913
   814
{
Daniel@4913
   815
    videodata->ime_dirty = SDL_TRUE;
Daniel@4913
   816
    videodata->ime_candlist = SDL_TRUE;
Daniel@4913
   817
    IME_DestroyTextures(videodata);
Daniel@4913
   818
    IME_SendEditingEvent(videodata);
Daniel@4913
   819
}
Daniel@4913
   820
Daniel@4913
   821
static void
Daniel@4913
   822
IME_HideCandidateList(SDL_VideoData *videodata)
Daniel@4913
   823
{
Daniel@4913
   824
    videodata->ime_dirty = SDL_FALSE;
Daniel@4913
   825
    videodata->ime_candlist = SDL_FALSE;
Daniel@4913
   826
    IME_DestroyTextures(videodata);
Daniel@4913
   827
    IME_SendEditingEvent(videodata);
Daniel@4913
   828
}
Daniel@4913
   829
dewyatt@4752
   830
SDL_bool
dewyatt@4752
   831
IME_HandleMessage(HWND hwnd, UINT msg, WPARAM wParam, LPARAM *lParam, SDL_VideoData *videodata)
dewyatt@4752
   832
{
dewyatt@4752
   833
    SDL_bool trap = SDL_FALSE;
dewyatt@4752
   834
    HIMC himc = 0;
dewyatt@4752
   835
    if (!videodata->ime_initialized || !videodata->ime_available || !videodata->ime_enabled)
dewyatt@4752
   836
        return SDL_FALSE;
dewyatt@4752
   837
Daniel@4914
   838
    switch (msg) {
dewyatt@4752
   839
    case WM_INPUTLANGCHANGE:
Daniel@4913
   840
        IME_InputLangChanged(videodata);
dewyatt@4752
   841
        break;
dewyatt@4752
   842
    case WM_IME_SETCONTEXT:
dewyatt@4752
   843
        *lParam = 0;
dewyatt@4752
   844
        break;
dewyatt@4752
   845
    case WM_IME_STARTCOMPOSITION:
dewyatt@4752
   846
        trap = SDL_TRUE;
dewyatt@4752
   847
        break;
dewyatt@4752
   848
    case WM_IME_COMPOSITION:
dewyatt@4752
   849
        trap = SDL_TRUE;
dewyatt@4752
   850
        himc = ImmGetContext(hwnd);
dewyatt@4760
   851
        if (*lParam & GCS_RESULTSTR) {
dewyatt@4759
   852
            IME_GetCompositionString(videodata, himc, GCS_RESULTSTR);
dewyatt@4759
   853
            IME_SendInputEvent(videodata);
dewyatt@4752
   854
        }
dewyatt@4760
   855
        if (*lParam & GCS_COMPSTR) {
dewyatt@4759
   856
            if (!videodata->ime_uiless)
dewyatt@4759
   857
                videodata->ime_readingstring[0] = 0;
dewyatt@4759
   858
dewyatt@4759
   859
            IME_GetCompositionString(videodata, himc, GCS_COMPSTR);
dewyatt@4759
   860
            IME_SendEditingEvent(videodata);
dewyatt@4752
   861
        }
dewyatt@4752
   862
        ImmReleaseContext(hwnd, himc);
dewyatt@4752
   863
        break;
dewyatt@4752
   864
    case WM_IME_ENDCOMPOSITION:
dewyatt@4759
   865
        videodata->ime_composition[0] = 0;
dewyatt@4759
   866
        videodata->ime_readingstring[0] = 0;
dewyatt@4759
   867
        videodata->ime_cursor = 0;
dewyatt@4759
   868
        SDL_SendEditingText("", 0, 0);
dewyatt@4752
   869
        break;
dewyatt@4752
   870
    case WM_IME_NOTIFY:
Daniel@4914
   871
        switch (wParam) {
dewyatt@4752
   872
        case IMN_SETCONVERSIONMODE:
dewyatt@4752
   873
        case IMN_SETOPENSTATUS:
dewyatt@4759
   874
            IME_UpdateInputLocale(videodata);
dewyatt@4752
   875
            break;
dewyatt@4752
   876
        case IMN_OPENCANDIDATE:
dewyatt@4752
   877
        case IMN_CHANGECANDIDATE:
Daniel@4913
   878
            if (videodata->ime_uiless)
Daniel@4913
   879
                break;
Daniel@4913
   880
dewyatt@4752
   881
            trap = SDL_TRUE;
Daniel@4913
   882
            IME_ShowCandidateList(videodata);
Daniel@4913
   883
            himc = ImmGetContext(hwnd);
Daniel@4913
   884
            if (!himc)
Daniel@4913
   885
                break;
Daniel@4913
   886
Daniel@4913
   887
            IME_GetCandidateList(himc, videodata);
Daniel@4913
   888
            ImmReleaseContext(hwnd, himc);
dewyatt@4752
   889
            break;
dewyatt@4752
   890
        case IMN_CLOSECANDIDATE:
dewyatt@4752
   891
            trap = SDL_TRUE;
Daniel@4913
   892
            IME_HideCandidateList(videodata);
dewyatt@4752
   893
            break;
dewyatt@4752
   894
        case IMN_PRIVATE:
dewyatt@4759
   895
            {
dewyatt@4759
   896
                DWORD dwId = IME_GetId(videodata, 0);
dewyatt@4759
   897
                IME_GetReadingString(videodata, hwnd);
dewyatt@4759
   898
                switch (dwId)
dewyatt@4759
   899
                {
dewyatt@4759
   900
                case IMEID_CHT_VER42:
dewyatt@4759
   901
                case IMEID_CHT_VER43:
dewyatt@4759
   902
                case IMEID_CHT_VER44:
dewyatt@4759
   903
                case IMEID_CHS_VER41:
dewyatt@4759
   904
                case IMEID_CHS_VER42:
dewyatt@4759
   905
                    if (*lParam == 1 || *lParam == 2)
dewyatt@4759
   906
                        trap = SDL_TRUE;
dewyatt@4759
   907
dewyatt@4759
   908
                    break;
dewyatt@4759
   909
                case IMEID_CHT_VER50:
dewyatt@4759
   910
                case IMEID_CHT_VER51:
dewyatt@4759
   911
                case IMEID_CHT_VER52:
dewyatt@4759
   912
                case IMEID_CHT_VER60:
dewyatt@4759
   913
                case IMEID_CHS_VER53:
dewyatt@4759
   914
                    if (*lParam == 16
dewyatt@4759
   915
                        || *lParam == 17
dewyatt@4759
   916
                        || *lParam == 26
dewyatt@4759
   917
                        || *lParam == 27
dewyatt@4759
   918
                        || *lParam == 28)
dewyatt@4759
   919
                        trap = SDL_TRUE;
dewyatt@4759
   920
                    break;
dewyatt@4759
   921
                }
dewyatt@4759
   922
            }
dewyatt@4752
   923
            break;
dewyatt@4752
   924
        default:
dewyatt@4752
   925
            trap = SDL_TRUE;
dewyatt@4752
   926
            break;
dewyatt@4752
   927
        }
dewyatt@4752
   928
        break;
dewyatt@4752
   929
    }
dewyatt@4752
   930
    return trap;
dewyatt@4752
   931
}
dewyatt@4752
   932
Daniel@4913
   933
static void
Daniel@4913
   934
IME_CloseCandidateList(SDL_VideoData *videodata)
Daniel@4913
   935
{
Daniel@4913
   936
    IME_HideCandidateList(videodata);
Daniel@4913
   937
    videodata->ime_candcount = 0;
Daniel@4913
   938
    SDL_memset(videodata->ime_candidates, 0, sizeof(videodata->ime_candidates));
Daniel@4913
   939
}
Daniel@4913
   940
Daniel@4913
   941
static void
Daniel@4913
   942
UILess_GetCandidateList(SDL_VideoData *videodata, ITfCandidateListUIElement *pcandlist)
Daniel@4913
   943
{
Daniel@4913
   944
    UINT selection = 0;
Daniel@4913
   945
    UINT count = 0;
Daniel@4913
   946
    UINT page = 0;
Daniel@4913
   947
    UINT pgcount = 0;
Daniel@4913
   948
    DWORD pgstart = 0;
Daniel@4913
   949
    DWORD pgsize = 0;
Daniel@4913
   950
    UINT i, j;
Daniel@4913
   951
    pcandlist->lpVtbl->GetSelection(pcandlist, &selection);
Daniel@4913
   952
    pcandlist->lpVtbl->GetCount(pcandlist, &count);
Daniel@4913
   953
    pcandlist->lpVtbl->GetCurrentPage(pcandlist, &page);
Daniel@4913
   954
Daniel@4913
   955
    videodata->ime_candsel = selection;
Daniel@4913
   956
    videodata->ime_candcount = count;
Daniel@4913
   957
    IME_ShowCandidateList(videodata);
Daniel@4913
   958
Daniel@4913
   959
    pcandlist->lpVtbl->GetPageIndex(pcandlist, 0, 0, &pgcount);
Daniel@4914
   960
    if (pgcount > 0) {
Daniel@4913
   961
        UINT *idxlist = SDL_malloc(sizeof(UINT) * pgcount);
Daniel@4914
   962
        if (idxlist) {
Daniel@4913
   963
            pcandlist->lpVtbl->GetPageIndex(pcandlist, idxlist, pgcount, &pgcount);
Daniel@4913
   964
            pgstart = idxlist[page];
Daniel@4913
   965
            if (page < pgcount - 1)
Daniel@4913
   966
                pgsize = SDL_min(count, idxlist[page + 1]) - pgstart;
Daniel@4913
   967
            else
Daniel@4913
   968
                pgsize = count - pgstart;
Daniel@4913
   969
Daniel@4913
   970
            SDL_free(idxlist);
Daniel@4913
   971
        }
Daniel@4913
   972
    }
Daniel@4913
   973
    videodata->ime_candpgsize = SDL_min(pgsize, MAX_CANDLIST);
Daniel@4913
   974
    videodata->ime_candsel = videodata->ime_candsel - pgstart;
Daniel@4913
   975
Daniel@4913
   976
    SDL_memset(videodata->ime_candidates, 0, sizeof(videodata->ime_candidates));
Daniel@4914
   977
    for (i = pgstart, j = 0; (DWORD)i < count && j < videodata->ime_candpgsize; i++, j++) {
Daniel@4913
   978
        BSTR bstr;
Daniel@4914
   979
        if (SUCCEEDED(pcandlist->lpVtbl->GetString(pcandlist, i, &bstr))) {
Daniel@4914
   980
            if (bstr) {
Daniel@4913
   981
                IME_AddCandidate(videodata, j, bstr);
Daniel@4913
   982
                SysFreeString(bstr);
Daniel@4913
   983
            }
Daniel@4913
   984
        }
Daniel@4913
   985
    }
Daniel@4913
   986
    if (PRIMLANG() == LANG_KOREAN)
Daniel@4913
   987
        videodata->ime_candsel = -1;
Daniel@4913
   988
}
Daniel@4913
   989
dewyatt@4759
   990
STDMETHODIMP_(ULONG) TSFSink_AddRef(TSFSink *sink)
dewyatt@4759
   991
{
dewyatt@4759
   992
    return ++sink->refcount;
dewyatt@4759
   993
}
dewyatt@4759
   994
dewyatt@4759
   995
STDMETHODIMP_(ULONG)TSFSink_Release(TSFSink *sink)
dewyatt@4759
   996
{
dewyatt@4759
   997
    --sink->refcount;
Daniel@4914
   998
    if (sink->refcount == 0) {
dewyatt@4759
   999
        SDL_free(sink);
dewyatt@4759
  1000
        return 0;
dewyatt@4759
  1001
    }
dewyatt@4759
  1002
    return sink->refcount;
dewyatt@4759
  1003
}
dewyatt@4759
  1004
dewyatt@4759
  1005
STDMETHODIMP UIElementSink_QueryInterface(TSFSink *sink, REFIID riid, PVOID *ppv)
dewyatt@4759
  1006
{
dewyatt@4759
  1007
    if (!ppv)
dewyatt@4759
  1008
        return E_INVALIDARG;
dewyatt@4759
  1009
dewyatt@4759
  1010
    *ppv = 0;
dewyatt@4759
  1011
    if (SDL_IsEqualIID(riid, &IID_IUnknown))
dewyatt@4759
  1012
        *ppv = (IUnknown *)sink;
dewyatt@4759
  1013
    else if (SDL_IsEqualIID(riid, &IID_ITfUIElementSink))
dewyatt@4759
  1014
        *ppv = (ITfUIElementSink *)sink;
dewyatt@4759
  1015
dewyatt@4760
  1016
    if (*ppv) {
dewyatt@4759
  1017
        TSFSink_AddRef(sink);
dewyatt@4759
  1018
        return S_OK;
dewyatt@4759
  1019
    }
dewyatt@4759
  1020
    return E_NOINTERFACE;
dewyatt@4759
  1021
}
dewyatt@4759
  1022
dewyatt@4759
  1023
ITfUIElement *UILess_GetUIElement(SDL_VideoData *videodata, DWORD dwUIElementId)
dewyatt@4759
  1024
{
dewyatt@4759
  1025
    ITfUIElementMgr *puiem = 0;
dewyatt@4759
  1026
    ITfUIElement *pelem = 0;
dewyatt@4759
  1027
    ITfThreadMgrEx *threadmgrex = videodata->ime_threadmgrex;
dewyatt@4759
  1028
dewyatt@4760
  1029
    if (SUCCEEDED(threadmgrex->lpVtbl->QueryInterface(threadmgrex, &IID_ITfUIElementMgr, (LPVOID *)&puiem))) {
dewyatt@4759
  1030
        puiem->lpVtbl->GetUIElement(puiem, dwUIElementId, &pelem);
dewyatt@4759
  1031
        puiem->lpVtbl->Release(puiem);
dewyatt@4759
  1032
    }
dewyatt@4759
  1033
    return pelem;
dewyatt@4759
  1034
}
dewyatt@4759
  1035
dewyatt@4759
  1036
STDMETHODIMP UIElementSink_BeginUIElement(TSFSink *sink, DWORD dwUIElementId, BOOL *pbShow)
dewyatt@4759
  1037
{
dewyatt@4760
  1038
    ITfUIElement *element = UILess_GetUIElement((SDL_VideoData *)sink->data, dwUIElementId);
dewyatt@4759
  1039
    ITfReadingInformationUIElement *preading = 0;
Daniel@4913
  1040
    ITfCandidateListUIElement *pcandlist = 0;
dewyatt@4759
  1041
    SDL_VideoData *videodata = (SDL_VideoData *)sink->data;
dewyatt@4760
  1042
    if (!element)
dewyatt@4759
  1043
        return E_INVALIDARG;
dewyatt@4759
  1044
dewyatt@4759
  1045
    *pbShow = FALSE;
dewyatt@4760
  1046
    if (SUCCEEDED(element->lpVtbl->QueryInterface(element, &IID_ITfReadingInformationUIElement, (LPVOID *)&preading))) {
dewyatt@4759
  1047
        BSTR bstr;
dewyatt@4760
  1048
        if (SUCCEEDED(preading->lpVtbl->GetString(preading, &bstr)) && bstr) {
dewyatt@4759
  1049
            SysFreeString(bstr);
dewyatt@4759
  1050
        }
dewyatt@4759
  1051
        preading->lpVtbl->Release(preading);
dewyatt@4759
  1052
    }
Daniel@4913
  1053
    else if (SUCCEEDED(element->lpVtbl->QueryInterface(element, &IID_ITfCandidateListUIElement, (LPVOID *)&pcandlist)))	{
Daniel@4913
  1054
        videodata->ime_candref++;
Daniel@4913
  1055
        UILess_GetCandidateList(videodata, pcandlist);
Daniel@4913
  1056
        pcandlist->lpVtbl->Release(pcandlist);
Daniel@4913
  1057
    }
dewyatt@4759
  1058
    return S_OK;
dewyatt@4759
  1059
}
dewyatt@4759
  1060
dewyatt@4759
  1061
STDMETHODIMP UIElementSink_UpdateUIElement(TSFSink *sink, DWORD dwUIElementId)
dewyatt@4759
  1062
{
dewyatt@4760
  1063
    ITfUIElement *element = UILess_GetUIElement((SDL_VideoData *)sink->data, dwUIElementId);
dewyatt@4759
  1064
    ITfReadingInformationUIElement *preading = 0;
Daniel@4913
  1065
    ITfCandidateListUIElement *pcandlist = 0;
dewyatt@4759
  1066
    SDL_VideoData *videodata = (SDL_VideoData *)sink->data;
dewyatt@4760
  1067
    if (!element)
dewyatt@4759
  1068
        return E_INVALIDARG;
dewyatt@4759
  1069
dewyatt@4760
  1070
    if (SUCCEEDED(element->lpVtbl->QueryInterface(element, &IID_ITfReadingInformationUIElement, (LPVOID *)&preading))) {
dewyatt@4759
  1071
        BSTR bstr;
dewyatt@4760
  1072
        if (SUCCEEDED(preading->lpVtbl->GetString(preading, &bstr)) && bstr) {
dewyatt@4759
  1073
            WCHAR *s = (WCHAR *)bstr;
dewyatt@4759
  1074
            SDL_wcslcpy(videodata->ime_readingstring, s, sizeof(videodata->ime_readingstring));
dewyatt@4759
  1075
            IME_SendEditingEvent(videodata);
dewyatt@4759
  1076
            SysFreeString(bstr);
dewyatt@4759
  1077
        }
dewyatt@4759
  1078
        preading->lpVtbl->Release(preading);
dewyatt@4759
  1079
    }
Daniel@4913
  1080
    else if (SUCCEEDED(element->lpVtbl->QueryInterface(element, &IID_ITfCandidateListUIElement, (LPVOID *)&pcandlist)))	{
Daniel@4913
  1081
        UILess_GetCandidateList(videodata, pcandlist);
Daniel@4913
  1082
        pcandlist->lpVtbl->Release(pcandlist);
Daniel@4913
  1083
    }
dewyatt@4759
  1084
    return S_OK;
dewyatt@4759
  1085
}
dewyatt@4759
  1086
dewyatt@4759
  1087
STDMETHODIMP UIElementSink_EndUIElement(TSFSink *sink, DWORD dwUIElementId)
dewyatt@4759
  1088
{
dewyatt@4760
  1089
    ITfUIElement *element = UILess_GetUIElement((SDL_VideoData *)sink->data, dwUIElementId);
dewyatt@4759
  1090
    ITfReadingInformationUIElement *preading = 0;
Daniel@4913
  1091
    ITfCandidateListUIElement *pcandlist = 0;
dewyatt@4759
  1092
    SDL_VideoData *videodata = (SDL_VideoData *)sink->data;
dewyatt@4760
  1093
    if (!element)
dewyatt@4759
  1094
        return E_INVALIDARG;
dewyatt@4759
  1095
dewyatt@4760
  1096
    if (SUCCEEDED(element->lpVtbl->QueryInterface(element, &IID_ITfReadingInformationUIElement, (LPVOID *)&preading))) {
dewyatt@4759
  1097
        videodata->ime_readingstring[0] = 0;
dewyatt@4759
  1098
        IME_SendEditingEvent(videodata);
dewyatt@4759
  1099
        preading->lpVtbl->Release(preading);
dewyatt@4759
  1100
    }
Daniel@4913
  1101
    if (SUCCEEDED(element->lpVtbl->QueryInterface(element, &IID_ITfCandidateListUIElement, (LPVOID *)&pcandlist))) {
Daniel@4913
  1102
        videodata->ime_candref--;
Daniel@4913
  1103
        if (videodata->ime_candref == 0)
Daniel@4913
  1104
            IME_CloseCandidateList(videodata);
Daniel@4913
  1105
Daniel@4913
  1106
        pcandlist->lpVtbl->Release(pcandlist);
Daniel@4913
  1107
    }
dewyatt@4759
  1108
    return S_OK;
dewyatt@4759
  1109
}
dewyatt@4759
  1110
dewyatt@4759
  1111
STDMETHODIMP IPPASink_QueryInterface(TSFSink *sink, REFIID riid, PVOID *ppv)
dewyatt@4759
  1112
{
dewyatt@4759
  1113
    if (!ppv)
dewyatt@4759
  1114
        return E_INVALIDARG;
dewyatt@4759
  1115
dewyatt@4759
  1116
    *ppv = 0;
dewyatt@4759
  1117
    if (SDL_IsEqualIID(riid, &IID_IUnknown))
dewyatt@4759
  1118
        *ppv = (IUnknown *)sink;
dewyatt@4759
  1119
    else if (SDL_IsEqualIID(riid, &IID_ITfInputProcessorProfileActivationSink))
dewyatt@4759
  1120
        *ppv = (ITfInputProcessorProfileActivationSink *)sink;
dewyatt@4759
  1121
dewyatt@4760
  1122
    if (*ppv) {
dewyatt@4759
  1123
        TSFSink_AddRef(sink);
dewyatt@4759
  1124
        return S_OK;
dewyatt@4759
  1125
    }
dewyatt@4759
  1126
    return E_NOINTERFACE;
dewyatt@4759
  1127
}
dewyatt@4759
  1128
dewyatt@4759
  1129
STDMETHODIMP IPPASink_OnActivated(TSFSink *sink, DWORD dwProfileType, LANGID langid, REFCLSID clsid, REFGUID catid, REFGUID guidProfile, HKL hkl, DWORD dwFlags)
dewyatt@4759
  1130
{
icculus@6403
  1131
    static const GUID TF_PROFILE_DAYI = { 0x037B2C25, 0x480C, 0x4D7F, { 0xB0, 0x27, 0xD6, 0xCA, 0x6B, 0x69, 0x78, 0x8A } };
Daniel@4913
  1132
    SDL_VideoData *videodata = (SDL_VideoData *)sink->data;
Daniel@4913
  1133
    videodata->ime_candlistindexbase = SDL_IsEqualGUID(&TF_PROFILE_DAYI, guidProfile) ? 0 : 1;
dewyatt@4759
  1134
    if (SDL_IsEqualIID(catid, &GUID_TFCAT_TIP_KEYBOARD) && (dwFlags & TF_IPSINK_FLAG_ACTIVE))
dewyatt@4759
  1135
        IME_InputLangChanged((SDL_VideoData *)sink->data);
dewyatt@4759
  1136
Daniel@4913
  1137
    IME_HideCandidateList(videodata);
dewyatt@4759
  1138
    return S_OK;
dewyatt@4759
  1139
}
dewyatt@4759
  1140
dewyatt@4759
  1141
static void *vtUIElementSink[] = {
dewyatt@4759
  1142
    (void *)(UIElementSink_QueryInterface),
dewyatt@4759
  1143
    (void *)(TSFSink_AddRef),
dewyatt@4759
  1144
    (void *)(TSFSink_Release),
dewyatt@4759
  1145
    (void *)(UIElementSink_BeginUIElement),
dewyatt@4759
  1146
    (void *)(UIElementSink_UpdateUIElement),
dewyatt@4759
  1147
    (void *)(UIElementSink_EndUIElement)
dewyatt@4759
  1148
};
dewyatt@4759
  1149
dewyatt@4759
  1150
static void *vtIPPASink[] = {
dewyatt@4759
  1151
    (void *)(IPPASink_QueryInterface),
dewyatt@4759
  1152
    (void *)(TSFSink_AddRef),
dewyatt@4759
  1153
    (void *)(TSFSink_Release),
dewyatt@4759
  1154
    (void *)(IPPASink_OnActivated)
dewyatt@4759
  1155
};
dewyatt@4759
  1156
dewyatt@4759
  1157
static void
dewyatt@4759
  1158
UILess_EnableUIUpdates(SDL_VideoData *videodata)
dewyatt@4759
  1159
{
dewyatt@4759
  1160
    ITfSource *source = 0;
dewyatt@4759
  1161
    if (!videodata->ime_threadmgrex || videodata->ime_uielemsinkcookie != TF_INVALID_COOKIE)
dewyatt@4759
  1162
        return;
dewyatt@4759
  1163
dewyatt@4760
  1164
    if (SUCCEEDED(videodata->ime_threadmgrex->lpVtbl->QueryInterface(videodata->ime_threadmgrex, &IID_ITfSource, (LPVOID *)&source))) {
dewyatt@4759
  1165
        source->lpVtbl->AdviseSink(source, &IID_ITfUIElementSink, (IUnknown *)videodata->ime_uielemsink, &videodata->ime_uielemsinkcookie);
dewyatt@4759
  1166
        source->lpVtbl->Release(source);
dewyatt@4759
  1167
    }
dewyatt@4759
  1168
}
dewyatt@4759
  1169
dewyatt@4759
  1170
static void
dewyatt@4759
  1171
UILess_DisableUIUpdates(SDL_VideoData *videodata)
dewyatt@4759
  1172
{
dewyatt@4759
  1173
    ITfSource *source = 0;
dewyatt@4759
  1174
    if (!videodata->ime_threadmgrex || videodata->ime_uielemsinkcookie == TF_INVALID_COOKIE)
dewyatt@4759
  1175
        return;
dewyatt@4759
  1176
dewyatt@4760
  1177
    if (SUCCEEDED(videodata->ime_threadmgrex->lpVtbl->QueryInterface(videodata->ime_threadmgrex, &IID_ITfSource, (LPVOID *)&source))) {
dewyatt@4759
  1178
        source->lpVtbl->UnadviseSink(source, videodata->ime_uielemsinkcookie);
dewyatt@4759
  1179
        videodata->ime_uielemsinkcookie = TF_INVALID_COOKIE;
dewyatt@4759
  1180
        source->lpVtbl->Release(source);
dewyatt@4759
  1181
    }
dewyatt@4759
  1182
}
dewyatt@4759
  1183
dewyatt@4759
  1184
static SDL_bool
dewyatt@4759
  1185
UILess_SetupSinks(SDL_VideoData *videodata)
dewyatt@4759
  1186
{
dewyatt@4759
  1187
    TfClientId clientid = 0;
dewyatt@4759
  1188
    SDL_bool result = SDL_FALSE;
dewyatt@4759
  1189
    ITfSource *source = 0;
Daniel@4893
  1190
    if (FAILED(CoCreateInstance(&CLSID_TF_ThreadMgr, NULL, CLSCTX_INPROC_SERVER, &IID_ITfThreadMgrEx, (LPVOID *)&videodata->ime_threadmgrex)))
dewyatt@4759
  1191
        return SDL_FALSE;
dewyatt@4759
  1192
dewyatt@4759
  1193
    if (FAILED(videodata->ime_threadmgrex->lpVtbl->ActivateEx(videodata->ime_threadmgrex, &clientid, TF_TMAE_UIELEMENTENABLEDONLY)))
dewyatt@4759
  1194
        return SDL_FALSE;
dewyatt@4759
  1195
dewyatt@4759
  1196
    videodata->ime_uielemsink = SDL_malloc(sizeof(TSFSink));
dewyatt@4759
  1197
    videodata->ime_ippasink = SDL_malloc(sizeof(TSFSink));
dewyatt@4759
  1198
dewyatt@4759
  1199
    videodata->ime_uielemsink->lpVtbl = vtUIElementSink;
dewyatt@4759
  1200
    videodata->ime_uielemsink->refcount = 1;
dewyatt@4759
  1201
    videodata->ime_uielemsink->data = videodata;
dewyatt@4759
  1202
dewyatt@4759
  1203
    videodata->ime_ippasink->lpVtbl = vtIPPASink;
dewyatt@4759
  1204
    videodata->ime_ippasink->refcount = 1;
dewyatt@4759
  1205
    videodata->ime_ippasink->data = videodata;
dewyatt@4759
  1206
dewyatt@4760
  1207
    if (SUCCEEDED(videodata->ime_threadmgrex->lpVtbl->QueryInterface(videodata->ime_threadmgrex, &IID_ITfSource, (LPVOID *)&source))) {
dewyatt@4760
  1208
        if (SUCCEEDED(source->lpVtbl->AdviseSink(source, &IID_ITfUIElementSink, (IUnknown *)videodata->ime_uielemsink, &videodata->ime_uielemsinkcookie))) {
dewyatt@4760
  1209
            if (SUCCEEDED(source->lpVtbl->AdviseSink(source, &IID_ITfInputProcessorProfileActivationSink, (IUnknown *)videodata->ime_ippasink, &videodata->ime_alpnsinkcookie))) {
dewyatt@4759
  1210
                result = SDL_TRUE;
dewyatt@4759
  1211
            }
dewyatt@4759
  1212
        }
dewyatt@4759
  1213
        source->lpVtbl->Release(source);
dewyatt@4759
  1214
    }
dewyatt@4759
  1215
    return result;
dewyatt@4759
  1216
}
dewyatt@4759
  1217
dewyatt@4759
  1218
#define SAFE_RELEASE(p)                             \
dewyatt@4759
  1219
{                                                   \
dewyatt@4759
  1220
    if (p) {                                        \
dewyatt@4759
  1221
        (p)->lpVtbl->Release((p));                  \
dewyatt@4759
  1222
        (p) = 0;                                    \
dewyatt@4759
  1223
    }                                               \
dewyatt@4759
  1224
}
dewyatt@4759
  1225
dewyatt@4759
  1226
static void
dewyatt@4759
  1227
UILess_ReleaseSinks(SDL_VideoData *videodata)
dewyatt@4759
  1228
{
dewyatt@4760
  1229
    ITfSource *source = 0;
Daniel@4893
  1230
    if (videodata->ime_threadmgrex && SUCCEEDED(videodata->ime_threadmgrex->lpVtbl->QueryInterface(videodata->ime_threadmgrex, &IID_ITfSource, (LPVOID *)&source))) {
dewyatt@4760
  1231
        source->lpVtbl->UnadviseSink(source, videodata->ime_uielemsinkcookie);
dewyatt@4760
  1232
        source->lpVtbl->UnadviseSink(source, videodata->ime_alpnsinkcookie);
dewyatt@4760
  1233
        SAFE_RELEASE(source);
dewyatt@4759
  1234
        videodata->ime_threadmgrex->lpVtbl->Deactivate(videodata->ime_threadmgrex);
dewyatt@4759
  1235
        SAFE_RELEASE(videodata->ime_threadmgrex);
dewyatt@4759
  1236
        TSFSink_Release(videodata->ime_uielemsink);
dewyatt@4759
  1237
        videodata->ime_uielemsink = 0;
dewyatt@4759
  1238
        TSFSink_Release(videodata->ime_ippasink);
dewyatt@4759
  1239
        videodata->ime_ippasink = 0;
dewyatt@4759
  1240
    }
dewyatt@4759
  1241
}
dewyatt@4759
  1242
Daniel@4913
  1243
static void *
Daniel@4913
  1244
StartDrawToBitmap(HDC hdc, HBITMAP *hhbm, int width, int height)
Daniel@4913
  1245
{
slouken@5455
  1246
    BITMAPINFO info;
Daniel@4913
  1247
    BITMAPINFOHEADER *infoHeader = &info.bmiHeader;
Daniel@4913
  1248
    BYTE *bits = NULL;
Daniel@4914
  1249
    if (hhbm) {
slouken@5455
  1250
        SDL_zero(info);
Daniel@4913
  1251
        infoHeader->biSize = sizeof(BITMAPINFOHEADER);
Daniel@4913
  1252
        infoHeader->biWidth = width;
Daniel@4913
  1253
        infoHeader->biHeight = -1 * SDL_abs(height);
Daniel@4913
  1254
        infoHeader->biPlanes = 1;
Daniel@4913
  1255
        infoHeader->biBitCount = 32;
Daniel@4913
  1256
        infoHeader->biCompression = BI_RGB;
Daniel@4913
  1257
        *hhbm = CreateDIBSection(hdc, &info, DIB_RGB_COLORS, (void **)&bits, 0, 0);
Daniel@4913
  1258
        if (*hhbm)
Daniel@4913
  1259
            SelectObject(hdc, *hhbm);
Daniel@4913
  1260
    }
Daniel@4913
  1261
    return bits;
Daniel@4913
  1262
}
Daniel@4913
  1263
Daniel@4913
  1264
static void
Daniel@4913
  1265
StopDrawToBitmap(HDC hdc, HBITMAP *hhbm)
Daniel@4913
  1266
{
Daniel@4914
  1267
    if (hhbm && *hhbm) {
Daniel@4913
  1268
        DeleteObject(*hhbm);
Daniel@4913
  1269
        *hhbm = NULL;
Daniel@4913
  1270
    }
Daniel@4913
  1271
}
Daniel@4913
  1272
Daniel@4913
  1273
/* This draws only within the specified area and fills the entire region. */
Daniel@4913
  1274
static void
Daniel@4913
  1275
DrawRect(HDC hdc, int left, int top, int right, int bottom, int pensize)
Daniel@4913
  1276
{
Daniel@4913
  1277
    /* The case of no pen (PenSize = 0) is automatically taken care of. */
Daniel@4913
  1278
    const int penadjust = (int)SDL_floor(pensize / 2.0f - 0.5f);
Daniel@4913
  1279
    left += pensize / 2;
Daniel@4913
  1280
    top += pensize / 2;
Daniel@4913
  1281
    right -= penadjust;
Daniel@4913
  1282
    bottom -= penadjust;
Daniel@4913
  1283
    Rectangle(hdc, left, top, right, bottom);
Daniel@4913
  1284
}
Daniel@4913
  1285
Daniel@4913
  1286
static void
Daniel@4913
  1287
IME_DestroyTextures(SDL_VideoData *videodata)
Daniel@4913
  1288
{
Daniel@4913
  1289
}
Daniel@4913
  1290
Daniel@4913
  1291
#define SDL_swap(a,b) { \
Daniel@4913
  1292
    int c = (a);        \
Daniel@4913
  1293
    (a) = (b);          \
Daniel@4913
  1294
    (b) = c;            \
Daniel@4913
  1295
    }
Daniel@4913
  1296
Daniel@4913
  1297
static void
Daniel@4913
  1298
IME_PositionCandidateList(SDL_VideoData *videodata, SIZE size)
Daniel@4913
  1299
{
Daniel@4913
  1300
    int left, top, right, bottom;
Daniel@4913
  1301
    SDL_bool ok = SDL_FALSE;
Daniel@4913
  1302
    int winw = videodata->ime_winwidth;
Daniel@4913
  1303
    int winh = videodata->ime_winheight;
Daniel@4913
  1304
Daniel@4913
  1305
    /* Bottom */
Daniel@4913
  1306
    left = videodata->ime_rect.x;
Daniel@4913
  1307
    top = videodata->ime_rect.y + videodata->ime_rect.h;
Daniel@4913
  1308
    right = left + size.cx;
Daniel@4913
  1309
    bottom = top + size.cy;
Daniel@4914
  1310
    if (right >= winw) {
Daniel@4913
  1311
        left -= right - winw;
Daniel@4913
  1312
        right = winw;
Daniel@4913
  1313
    }
Daniel@4913
  1314
    if (bottom < winh)
Daniel@4913
  1315
        ok = SDL_TRUE;
Daniel@4913
  1316
Daniel@4913
  1317
    /* Top */
Daniel@4914
  1318
    if (!ok) {
Daniel@4913
  1319
        left = videodata->ime_rect.x;
Daniel@4913
  1320
        top = videodata->ime_rect.y - size.cy;
Daniel@4913
  1321
        right = left + size.cx;
Daniel@4913
  1322
        bottom = videodata->ime_rect.y;
Daniel@4914
  1323
        if (right >= winw) {
Daniel@4913
  1324
            left -= right - winw;
Daniel@4913
  1325
            right = winw;
Daniel@4913
  1326
        }
Daniel@4913
  1327
        if (top >= 0)
Daniel@4913
  1328
            ok = SDL_TRUE;
Daniel@4913
  1329
    }
Daniel@4913
  1330
Daniel@4913
  1331
    /* Right */
Daniel@4914
  1332
    if (!ok) {
Daniel@4913
  1333
        left = videodata->ime_rect.x + size.cx;
Daniel@4913
  1334
        top = 0;
Daniel@4913
  1335
        right = left + size.cx;
Daniel@4913
  1336
        bottom = size.cy;
Daniel@4913
  1337
        if (right < winw)
Daniel@4913
  1338
            ok = SDL_TRUE;
Daniel@4913
  1339
    }
Daniel@4913
  1340
Daniel@4913
  1341
    /* Left */
Daniel@4914
  1342
    if (!ok) {
Daniel@4913
  1343
        left = videodata->ime_rect.x - size.cx;
Daniel@4913
  1344
        top = 0;
Daniel@4913
  1345
        right = videodata->ime_rect.x;
Daniel@4913
  1346
        bottom = size.cy;
Daniel@4913
  1347
        if (right >= 0)
Daniel@4913
  1348
            ok = SDL_TRUE;
Daniel@4913
  1349
    }
Daniel@4913
  1350
Daniel@4913
  1351
    /* Window too small, show at (0,0) */
Daniel@4914
  1352
    if (!ok) {
Daniel@4913
  1353
        left = 0;
Daniel@4913
  1354
        top = 0;
Daniel@4913
  1355
        right = size.cx;
Daniel@4913
  1356
        bottom = size.cy;
Daniel@4913
  1357
    }
Daniel@4913
  1358
Daniel@4913
  1359
    videodata->ime_candlistrect.x = left;
Daniel@4913
  1360
    videodata->ime_candlistrect.y = top;
Daniel@4913
  1361
    videodata->ime_candlistrect.w = right - left;
Daniel@4913
  1362
    videodata->ime_candlistrect.h = bottom - top;
Daniel@4913
  1363
}
Daniel@4913
  1364
Daniel@4913
  1365
static void
Daniel@4913
  1366
IME_RenderCandidateList(SDL_VideoData *videodata, HDC hdc)
Daniel@4913
  1367
{
Daniel@4916
  1368
    int i, j;
Daniel@4913
  1369
    SIZE size = {0};
Daniel@4916
  1370
    SIZE candsizes[MAX_CANDLIST];
Daniel@4913
  1371
    SIZE maxcandsize = {0};
Daniel@4913
  1372
    HBITMAP hbm = NULL;
Daniel@4913
  1373
    BYTE *bits = NULL;
Daniel@4913
  1374
    const int candcount = SDL_min(SDL_min(MAX_CANDLIST, videodata->ime_candcount), videodata->ime_candpgsize);
Daniel@4913
  1375
    SDL_bool vertical = videodata->ime_candvertical;
Daniel@4913
  1376
Daniel@4913
  1377
    const int listborder = 1;
Daniel@4913
  1378
    const int listpadding = 0;
Daniel@4913
  1379
    const int listbordercolor = RGB(0xB4, 0xC7, 0xAA);
Daniel@4913
  1380
    const int listfillcolor = RGB(255, 255, 255);
Daniel@4913
  1381
Daniel@4913
  1382
    const int candborder = 1;
Daniel@4913
  1383
    const int candpadding = 0;
Daniel@4913
  1384
    const int candmargin = 1;
Daniel@4913
  1385
    const COLORREF candbordercolor = RGB(255, 255, 255);
Daniel@4913
  1386
    const COLORREF candfillcolor = RGB(255, 255, 255);
Daniel@4913
  1387
    const COLORREF candtextcolor = RGB(0, 0, 0);
Daniel@4913
  1388
    const COLORREF selbordercolor = RGB(0x84, 0xAC, 0xDD);
Daniel@4913
  1389
    const COLORREF selfillcolor = RGB(0xD2, 0xE6, 0xFF);
Daniel@4913
  1390
    const COLORREF seltextcolor = RGB(0, 0, 0);
Daniel@4916
  1391
    const int horzcandspacing = 5;
Daniel@4913
  1392
Daniel@4913
  1393
    HPEN listpen = listborder != 0 ? CreatePen(PS_SOLID, listborder, listbordercolor) : (HPEN)GetStockObject(NULL_PEN);
Daniel@4913
  1394
    HBRUSH listbrush = CreateSolidBrush(listfillcolor);
Daniel@4913
  1395
    HPEN candpen = candborder != 0 ? CreatePen(PS_SOLID, candborder, candbordercolor) : (HPEN)GetStockObject(NULL_PEN);
Daniel@4913
  1396
    HBRUSH candbrush = CreateSolidBrush(candfillcolor);
Daniel@4913
  1397
    HPEN selpen = candborder != 0 ? CreatePen(PS_DOT, candborder, selbordercolor) : (HPEN)GetStockObject(NULL_PEN);
Daniel@4913
  1398
    HBRUSH selbrush = CreateSolidBrush(selfillcolor);
Daniel@4913
  1399
    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
  1400
Daniel@4913
  1401
    SetBkMode(hdc, TRANSPARENT);
Daniel@4913
  1402
    SelectObject(hdc, font);
Daniel@4913
  1403
Daniel@4914
  1404
    for (i = 0; i < candcount; ++i) {
Daniel@4913
  1405
        const WCHAR *s = videodata->ime_candidates[i];
Daniel@4913
  1406
        if (!*s)
Daniel@4913
  1407
            break;
Daniel@4913
  1408
Daniel@4916
  1409
        GetTextExtentPoint32W(hdc, s, SDL_wcslen(s), &candsizes[i]);
Daniel@4916
  1410
        maxcandsize.cx = SDL_max(maxcandsize.cx, candsizes[i].cx);
Daniel@4916
  1411
        maxcandsize.cy = SDL_max(maxcandsize.cy, candsizes[i].cy);
Daniel@4913
  1412
Daniel@4913
  1413
    }
Daniel@4916
  1414
    if (vertical) {
Daniel@4916
  1415
        size.cx =
Daniel@4916
  1416
            (listborder * 2) +
Daniel@4916
  1417
            (listpadding * 2) +
Daniel@4916
  1418
            (candmargin * 2) +
Daniel@4916
  1419
            (candborder * 2) +
Daniel@4916
  1420
            (candpadding * 2) +
Daniel@4916
  1421
            (maxcandsize.cx)
Daniel@4916
  1422
            ;
Daniel@4916
  1423
        size.cy =
Daniel@4916
  1424
            (listborder * 2) +
Daniel@4916
  1425
            (listpadding * 2) +
Daniel@4916
  1426
            ((candcount + 1) * candmargin) +
Daniel@4916
  1427
            (candcount * candborder * 2) +
Daniel@4916
  1428
            (candcount * candpadding * 2) +
Daniel@4916
  1429
            (candcount * maxcandsize.cy)
Daniel@4916
  1430
            ;
Daniel@4916
  1431
    }
Daniel@4916
  1432
    else {
Daniel@4916
  1433
        size.cx =
Daniel@4916
  1434
            (listborder * 2) +
Daniel@4916
  1435
            (listpadding * 2) +
Daniel@4916
  1436
            ((candcount + 1) * candmargin) +
Daniel@4916
  1437
            (candcount * candborder * 2) +
Daniel@4916
  1438
            (candcount * candpadding * 2) +
Daniel@4916
  1439
            ((candcount - 1) * horzcandspacing);
Daniel@4916
  1440
        ;
Daniel@4913
  1441
Daniel@4916
  1442
        for (i = 0; i < candcount; ++i)
Daniel@4916
  1443
            size.cx += candsizes[i].cx;
Daniel@4916
  1444
Daniel@4916
  1445
        size.cy =
Daniel@4916
  1446
            (listborder * 2) +
Daniel@4916
  1447
            (listpadding * 2) +
Daniel@4916
  1448
            (candmargin * 2) +
Daniel@4916
  1449
            (candborder * 2) +
Daniel@4916
  1450
            (candpadding * 2) +
Daniel@4916
  1451
            (maxcandsize.cy)
Daniel@4916
  1452
            ;
Daniel@4916
  1453
    }
Daniel@4913
  1454
Daniel@4913
  1455
    bits = StartDrawToBitmap(hdc, &hbm, size.cx, size.cy);
Daniel@4913
  1456
Daniel@4913
  1457
    SelectObject(hdc, listpen);
Daniel@4913
  1458
    SelectObject(hdc, listbrush);
Daniel@4913
  1459
    DrawRect(hdc, 0, 0, size.cx, size.cy, listborder);
Daniel@4913
  1460
Daniel@4913
  1461
    SelectObject(hdc, candpen);
Daniel@4913
  1462
    SelectObject(hdc, candbrush);
Daniel@4913
  1463
    SetTextColor(hdc, candtextcolor);
Daniel@4913
  1464
    SetBkMode(hdc, TRANSPARENT);
Daniel@4913
  1465
Daniel@4914
  1466
    for (i = 0; i < candcount; ++i) {
Daniel@4913
  1467
        const WCHAR *s = videodata->ime_candidates[i];
Daniel@4913
  1468
        int left, top, right, bottom;
Daniel@4913
  1469
        if (!*s)
Daniel@4913
  1470
            break;
Daniel@4913
  1471
Daniel@4916
  1472
        if (vertical) {
Daniel@4916
  1473
            left = listborder + listpadding + candmargin;
Daniel@4916
  1474
            top = listborder + listpadding + (i * candborder * 2) + (i * candpadding * 2) + ((i + 1) * candmargin) + (i * maxcandsize.cy);
Daniel@4916
  1475
            right = size.cx - listborder - listpadding - candmargin;
Daniel@4916
  1476
            bottom = top + maxcandsize.cy + (candpadding * 2) + (candborder * 2);
Daniel@4916
  1477
        }
Daniel@4916
  1478
        else {
Daniel@4916
  1479
            left = listborder + listpadding + (i * candborder * 2) + (i * candpadding * 2) + ((i + 1) * candmargin) + (i * horzcandspacing);
Daniel@4913
  1480
Daniel@4916
  1481
            for (j = 0; j < i; ++j)
Daniel@4916
  1482
                left += candsizes[j].cx;
Daniel@4913
  1483
Daniel@4916
  1484
            top = listborder + listpadding + candmargin;
Daniel@4916
  1485
            right = left + candsizes[i].cx + (candpadding * 2) + (candborder * 2);
Daniel@4916
  1486
            bottom = size.cy - listborder - listpadding - candmargin;
Daniel@4913
  1487
        }
Daniel@4913
  1488
Daniel@4914
  1489
        if (i == videodata->ime_candsel) {
Daniel@4913
  1490
            SelectObject(hdc, selpen);
Daniel@4913
  1491
            SelectObject(hdc, selbrush);
Daniel@4913
  1492
            SetTextColor(hdc, seltextcolor);
Daniel@4913
  1493
        }
Daniel@4914
  1494
        else {
Daniel@4913
  1495
            SelectObject(hdc, candpen);
Daniel@4913
  1496
            SelectObject(hdc, candbrush);
Daniel@4913
  1497
            SetTextColor(hdc, candtextcolor);
Daniel@4913
  1498
        }
Daniel@4913
  1499
Daniel@4913
  1500
        DrawRect(hdc, left, top, right, bottom, candborder);
Daniel@4913
  1501
        ExtTextOutW(hdc, left + candborder + candpadding, top + candborder + candpadding, 0, NULL, s, SDL_wcslen(s), NULL);
Daniel@4913
  1502
    }
Daniel@4913
  1503
    StopDrawToBitmap(hdc, &hbm);
Daniel@4913
  1504
Daniel@4913
  1505
    DeleteObject(listpen);
Daniel@4913
  1506
    DeleteObject(listbrush);
Daniel@4913
  1507
    DeleteObject(candpen);
Daniel@4913
  1508
    DeleteObject(candbrush);
Daniel@4913
  1509
    DeleteObject(selpen);
Daniel@4913
  1510
    DeleteObject(selbrush);
Daniel@4913
  1511
    DeleteObject(font);
Daniel@4913
  1512
Daniel@4913
  1513
    IME_PositionCandidateList(videodata, size);
Daniel@4913
  1514
}
Daniel@4913
  1515
Daniel@4913
  1516
static void
Daniel@4913
  1517
IME_Render(SDL_VideoData *videodata)
Daniel@4913
  1518
{
Daniel@4913
  1519
    HDC hdc = CreateCompatibleDC(NULL);
Daniel@4913
  1520
Daniel@4913
  1521
    if (videodata->ime_candlist)
Daniel@4913
  1522
        IME_RenderCandidateList(videodata, hdc);
Daniel@4913
  1523
Daniel@4913
  1524
    DeleteDC(hdc);
Daniel@4913
  1525
Daniel@4913
  1526
    videodata->ime_dirty = SDL_FALSE;
Daniel@4913
  1527
}
Daniel@4913
  1528
Daniel@4913
  1529
void IME_Present(SDL_VideoData *videodata)
Daniel@4913
  1530
{
Daniel@4913
  1531
    if (videodata->ime_dirty)
Daniel@4913
  1532
        IME_Render(videodata);
Daniel@4913
  1533
slouken@5154
  1534
    // FIXME: Need to show the IME bitmap
Daniel@4913
  1535
}
Daniel@4913
  1536
slouken@5086
  1537
#endif /* SDL_DISABLE_WINDOWS_IME */
slouken@5086
  1538
slouken@6044
  1539
#endif /* SDL_VIDEO_DRIVER_WINDOWS */
slouken@6044
  1540
slouken@1895
  1541
/* vi: set ts=4 sw=4 expandtab: */