src/video/windows/SDL_windowskeyboard.c
author Sam Lantinga
Fri, 27 Jan 2017 06:05:50 -0800
changeset 10856 486aa38c6a88
parent 10737 3406a0f8b041
child 10885 4528f2a99fb7
permissions -rw-r--r--
Added Thrustmaster Wheel FFB entry to the list of wheels
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/*
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  Simple DirectMedia Layer
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  Copyright (C) 1997-2017 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_internal.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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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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    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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    /* Are system caps/num/scroll lock active? Set our state to match. */
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    SDL_ToggleModState(KMOD_CAPS, (GetKeyState(VK_CAPITAL) & 0x0001) != 0);
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    SDL_ToggleModState(KMOD_NUM, (GetKeyState(VK_NUMLOCK) & 0x0001) != 0);
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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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        int vk;
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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 ) {
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            continue;
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        }
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        /* If this key is one of the non-mappable keys, ignore it */
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        /* Not mapping numbers fixes the French layout, giving numeric keycodes for the number keys, which is the expected behavior */
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        if ((keymap[scancode] & SDLK_SCANCODE_MASK) ||
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            /*  scancode == SDL_SCANCODE_GRAVE || */ /* Uncomment this line to re-enable the behavior of not mapping the "`"(grave) key to the users actual keyboard layout */
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            (scancode >= SDL_SCANCODE_1 && scancode <= SDL_SCANCODE_0) ) {
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            continue;
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        }
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        vk =  MapVirtualKey(i, MAPVK_VSC_TO_VK);
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        if ( vk ) {
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            int ch = (MapVirtualKey( vk, MAPVK_VK_TO_CHAR ) & 0x7FFF);
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            if ( ch ) {
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                if ( ch >= 'A' && ch <= 'Z' ) {
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                    keymap[scancode] =  SDLK_a + ( ch - 'A' );
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                } else {
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                    keymap[scancode] = ch;
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                }
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            }
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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_ResetDeadKeys()
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{
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    /*
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    if a deadkey has been typed, but not the next character (which the deadkey might modify), 
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    this tries to undo the effect pressing the deadkey.
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    see: http://archives.miloush.net/michkap/archive/2006/09/10/748775.html
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    */
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    BYTE keyboardState[256];
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    WCHAR buffer[16];
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    int keycode, scancode, result, i;
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    GetKeyboardState(keyboardState);
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    keycode = VK_SPACE;
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    scancode = MapVirtualKey(keycode, MAPVK_VK_TO_VSC);
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    if (scancode == 0) {
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        /* the keyboard doesn't have this key */
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        return;
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    }
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    for (i = 0; i < 5; i++) {
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        result = ToUnicode(keycode, scancode, keyboardState, (LPWSTR)buffer, 16, 0);
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        if (result > 0) {
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            /* success */
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            return;
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        }
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    }
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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;
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#endif
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    WIN_ResetDeadKeys();
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#ifndef SDL_DISABLE_WINDOWS_IME
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    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;
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#endif
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    WIN_ResetDeadKeys();
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#ifndef SDL_DISABLE_WINDOWS_IME
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    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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    HIMC himc = 0;
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    if (!rect) {
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        SDL_InvalidParamError("rect");
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        return;
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    }
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    videodata->ime_rect = *rect;
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    himc = ImmGetContext(videodata->ime_hwnd_current);
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    if (himc)
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    {
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        COMPOSITIONFORM cf;
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        cf.ptCurrentPos.x = videodata->ime_rect.x;
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        cf.ptCurrentPos.y = videodata->ime_rect.y;
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        cf.dwStyle = CFS_FORCE_POSITION;
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        ImmSetCompositionWindow(himc, &cf);
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        ImmReleaseContext(videodata->ime_hwnd_current, himc);
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    }
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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 _SDL_msctf_h
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#define USE_INIT_GUID
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#elif defined(__GNUC__)
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#define USE_INIT_GUID
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#endif
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#ifdef USE_INIT_GUID
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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))
dewyatt@4759
   313
#define IMEID_CHT_VER_VISTA     (LANG_CHT | MAKEIMEVERSION(7, 0))
dewyatt@4759
   314
dewyatt@4759
   315
#define CHS_HKL                 ((HKL)0xE00E0804)
dewyatt@4759
   316
#define CHS_IMEFILENAME1        "PINTLGNT.IME"
dewyatt@4759
   317
#define CHS_IMEFILENAME2        "MSSCIPYA.IME"
dewyatt@4759
   318
#define IMEID_CHS_VER41         (LANG_CHS | MAKEIMEVERSION(4, 1))
dewyatt@4759
   319
#define IMEID_CHS_VER42         (LANG_CHS | MAKEIMEVERSION(4, 2))
dewyatt@4759
   320
#define IMEID_CHS_VER53         (LANG_CHS | MAKEIMEVERSION(5, 3))
dewyatt@4759
   321
dewyatt@4759
   322
#define LANG() LOWORD((videodata->ime_hkl))
dewyatt@4759
   323
#define PRIMLANG() ((WORD)PRIMARYLANGID(LANG()))
dewyatt@4759
   324
#define SUBLANG() SUBLANGID(LANG())
dewyatt@4759
   325
dewyatt@4759
   326
static void IME_UpdateInputLocale(SDL_VideoData *videodata);
dewyatt@4759
   327
static void IME_ClearComposition(SDL_VideoData *videodata);
dewyatt@4759
   328
static void IME_SetWindow(SDL_VideoData* videodata, HWND hwnd);
dewyatt@4759
   329
static void IME_SetupAPI(SDL_VideoData *videodata);
dewyatt@4759
   330
static DWORD IME_GetId(SDL_VideoData *videodata, UINT uIndex);
dewyatt@4759
   331
static void IME_SendEditingEvent(SDL_VideoData *videodata);
Daniel@4913
   332
static void IME_DestroyTextures(SDL_VideoData *videodata);
Daniel@4913
   333
dewyatt@4759
   334
#define SDL_IsEqualIID(riid1, riid2) SDL_IsEqualGUID(riid1, riid2)
dewyatt@4759
   335
#define SDL_IsEqualGUID(rguid1, rguid2) (!SDL_memcmp(rguid1, rguid2, sizeof(GUID)))
dewyatt@4759
   336
dewyatt@4759
   337
static SDL_bool UILess_SetupSinks(SDL_VideoData *videodata);
dewyatt@4759
   338
static void UILess_ReleaseSinks(SDL_VideoData *videodata);
dewyatt@4759
   339
static void UILess_EnableUIUpdates(SDL_VideoData *videodata);
dewyatt@4759
   340
static void UILess_DisableUIUpdates(SDL_VideoData *videodata);
dewyatt@4759
   341
dewyatt@4759
   342
static void
dewyatt@4759
   343
IME_Init(SDL_VideoData *videodata, HWND hwnd)
dewyatt@4752
   344
{
dewyatt@4759
   345
    if (videodata->ime_initialized)
dewyatt@4752
   346
        return;
dewyatt@4752
   347
dewyatt@4759
   348
    videodata->ime_hwnd_main = hwnd;
icculus@5591
   349
    if (SUCCEEDED(WIN_CoInitialize())) {
dewyatt@4759
   350
        videodata->ime_com_initialized = SDL_TRUE;
Daniel@4893
   351
        CoCreateInstance(&CLSID_TF_ThreadMgr, NULL, CLSCTX_INPROC_SERVER, &IID_ITfThreadMgr, (LPVOID *)&videodata->ime_threadmgr);
dewyatt@4759
   352
    }
dewyatt@4759
   353
    videodata->ime_initialized = SDL_TRUE;
slouken@5090
   354
    videodata->ime_himm32 = SDL_LoadObject("imm32.dll");
dewyatt@4759
   355
    if (!videodata->ime_himm32) {
dewyatt@4759
   356
        videodata->ime_available = SDL_FALSE;
dewyatt@4759
   357
        return;
dewyatt@4759
   358
    }
slouken@5090
   359
    videodata->ImmLockIMC = (LPINPUTCONTEXT2 (WINAPI *)(HIMC))SDL_LoadFunction(videodata->ime_himm32, "ImmLockIMC");
slouken@5090
   360
    videodata->ImmUnlockIMC = (BOOL (WINAPI *)(HIMC))SDL_LoadFunction(videodata->ime_himm32, "ImmUnlockIMC");
slouken@5090
   361
    videodata->ImmLockIMCC = (LPVOID (WINAPI *)(HIMCC))SDL_LoadFunction(videodata->ime_himm32, "ImmLockIMCC");
slouken@5090
   362
    videodata->ImmUnlockIMCC = (BOOL (WINAPI *)(HIMCC))SDL_LoadFunction(videodata->ime_himm32, "ImmUnlockIMCC");
dewyatt@4752
   363
dewyatt@4759
   364
    IME_SetWindow(videodata, hwnd);
dewyatt@4759
   365
    videodata->ime_himc = ImmGetContext(hwnd);
dewyatt@4759
   366
    ImmReleaseContext(hwnd, videodata->ime_himc);
dewyatt@4759
   367
    if (!videodata->ime_himc) {
dewyatt@4759
   368
        videodata->ime_available = SDL_FALSE;
dewyatt@4759
   369
        IME_Disable(videodata, hwnd);
dewyatt@4759
   370
        return;
dewyatt@4759
   371
    }
dewyatt@4759
   372
    videodata->ime_available = SDL_TRUE;
dewyatt@4759
   373
    IME_UpdateInputLocale(videodata);
dewyatt@4759
   374
    IME_SetupAPI(videodata);
dewyatt@4759
   375
    videodata->ime_uiless = UILess_SetupSinks(videodata);
dewyatt@4759
   376
    IME_UpdateInputLocale(videodata);
dewyatt@4759
   377
    IME_Disable(videodata, hwnd);
dewyatt@4752
   378
}
dewyatt@4752
   379
dewyatt@4759
   380
static void
dewyatt@4752
   381
IME_Enable(SDL_VideoData *videodata, HWND hwnd)
dewyatt@4752
   382
{
dewyatt@4752
   383
    if (!videodata->ime_initialized || !videodata->ime_hwnd_current)
dewyatt@4752
   384
        return;
dewyatt@4752
   385
dewyatt@4752
   386
    if (!videodata->ime_available) {
dewyatt@4752
   387
        IME_Disable(videodata, hwnd);
dewyatt@4752
   388
        return;
dewyatt@4752
   389
    }
dewyatt@4752
   390
    if (videodata->ime_hwnd_current == videodata->ime_hwnd_main)
dewyatt@4752
   391
        ImmAssociateContext(videodata->ime_hwnd_current, videodata->ime_himc);
dewyatt@4752
   392
dewyatt@4752
   393
    videodata->ime_enabled = SDL_TRUE;
dewyatt@4759
   394
    IME_UpdateInputLocale(videodata);
dewyatt@4759
   395
    UILess_EnableUIUpdates(videodata);
dewyatt@4752
   396
}
dewyatt@4752
   397
dewyatt@4759
   398
static void
dewyatt@4759
   399
IME_Disable(SDL_VideoData *videodata, HWND hwnd)
dewyatt@4752
   400
{
dewyatt@4759
   401
    if (!videodata->ime_initialized || !videodata->ime_hwnd_current)
dewyatt@4752
   402
        return;
dewyatt@4752
   403
dewyatt@4759
   404
    IME_ClearComposition(videodata);
dewyatt@4759
   405
    if (videodata->ime_hwnd_current == videodata->ime_hwnd_main)
Daniel@4893
   406
        ImmAssociateContext(videodata->ime_hwnd_current, (HIMC)0);
dewyatt@4759
   407
dewyatt@4759
   408
    videodata->ime_enabled = SDL_FALSE;
dewyatt@4759
   409
    UILess_DisableUIUpdates(videodata);
dewyatt@4752
   410
}
dewyatt@4752
   411
dewyatt@4759
   412
static void
dewyatt@4752
   413
IME_Quit(SDL_VideoData *videodata)
dewyatt@4752
   414
{
dewyatt@4752
   415
    if (!videodata->ime_initialized)
dewyatt@4752
   416
        return;
dewyatt@4752
   417
dewyatt@4759
   418
    UILess_ReleaseSinks(videodata);
dewyatt@4752
   419
    if (videodata->ime_hwnd_main)
dewyatt@4752
   420
        ImmAssociateContext(videodata->ime_hwnd_main, videodata->ime_himc);
dewyatt@4752
   421
dewyatt@4752
   422
    videodata->ime_hwnd_main = 0;
dewyatt@4752
   423
    videodata->ime_himc = 0;
dewyatt@4760
   424
    if (videodata->ime_himm32) {
slouken@5090
   425
        SDL_UnloadObject(videodata->ime_himm32);
dewyatt@4759
   426
        videodata->ime_himm32 = 0;
dewyatt@4759
   427
    }
dewyatt@4760
   428
    if (videodata->ime_threadmgr) {
dewyatt@4759
   429
        videodata->ime_threadmgr->lpVtbl->Release(videodata->ime_threadmgr);
dewyatt@4759
   430
        videodata->ime_threadmgr = 0;
dewyatt@4752
   431
    }
dewyatt@4760
   432
    if (videodata->ime_com_initialized) {
icculus@5591
   433
        WIN_CoUninitialize();
dewyatt@4752
   434
        videodata->ime_com_initialized = SDL_FALSE;
dewyatt@4752
   435
    }
Daniel@4913
   436
    IME_DestroyTextures(videodata);
dewyatt@4752
   437
    videodata->ime_initialized = SDL_FALSE;
dewyatt@4752
   438
}
dewyatt@4752
   439
dewyatt@4759
   440
static void
dewyatt@4759
   441
IME_GetReadingString(SDL_VideoData *videodata, HWND hwnd)
dewyatt@4759
   442
{
dewyatt@4759
   443
    DWORD id = 0;
dewyatt@4759
   444
    HIMC himc = 0;
dewyatt@4759
   445
    WCHAR buffer[16];
dewyatt@4759
   446
    WCHAR *s = buffer;
dewyatt@4759
   447
    DWORD len = 0;
Daniel@4893
   448
    INT err = 0;
dewyatt@4759
   449
    BOOL vertical = FALSE;
dewyatt@4759
   450
    UINT maxuilen = 0;
slouken@9889
   451
    static OSVERSIONINFOA osversion;
slouken@8732
   452
dewyatt@4759
   453
    if (videodata->ime_uiless)
dewyatt@4759
   454
        return;
dewyatt@4759
   455
dewyatt@4759
   456
    videodata->ime_readingstring[0] = 0;
dewyatt@4760
   457
    if (!osversion.dwOSVersionInfoSize) {
dewyatt@4759
   458
        osversion.dwOSVersionInfoSize = sizeof(osversion);
dewyatt@4759
   459
        GetVersionExA(&osversion);
dewyatt@4759
   460
    }
dewyatt@4759
   461
    id = IME_GetId(videodata, 0);
dewyatt@4759
   462
    if (!id)
dewyatt@4759
   463
        return;
dewyatt@4759
   464
dewyatt@4759
   465
    himc = ImmGetContext(hwnd);
dewyatt@4759
   466
    if (!himc)
dewyatt@4759
   467
        return;
dewyatt@4759
   468
dewyatt@4760
   469
    if (videodata->GetReadingString) {
dewyatt@4759
   470
        len = videodata->GetReadingString(himc, 0, 0, &err, &vertical, &maxuilen);
dewyatt@4760
   471
        if (len) {
dewyatt@4759
   472
            if (len > SDL_arraysize(buffer))
dewyatt@4759
   473
                len = SDL_arraysize(buffer);
dewyatt@4759
   474
dewyatt@4759
   475
            len = videodata->GetReadingString(himc, len, s, &err, &vertical, &maxuilen);
dewyatt@4759
   476
        }
dewyatt@4759
   477
        SDL_wcslcpy(videodata->ime_readingstring, s, len);
dewyatt@4759
   478
    }
dewyatt@4760
   479
    else {
dewyatt@4759
   480
        LPINPUTCONTEXT2 lpimc = videodata->ImmLockIMC(himc);
dewyatt@4759
   481
        LPBYTE p = 0;
dewyatt@4759
   482
        s = 0;
dewyatt@4759
   483
        switch (id)
dewyatt@4759
   484
        {
dewyatt@4759
   485
        case IMEID_CHT_VER42:
dewyatt@4759
   486
        case IMEID_CHT_VER43:
dewyatt@4759
   487
        case IMEID_CHT_VER44:
dewyatt@4759
   488
            p = *(LPBYTE *)((LPBYTE)videodata->ImmLockIMCC(lpimc->hPrivate) + 24);
dewyatt@4759
   489
            if (!p)
dewyatt@4759
   490
                break;
dewyatt@4759
   491
dewyatt@4759
   492
            len = *(DWORD *)(p + 7*4 + 32*4);
dewyatt@4759
   493
            s = (WCHAR *)(p + 56);
dewyatt@4759
   494
            break;
dewyatt@4759
   495
        case IMEID_CHT_VER51:
dewyatt@4759
   496
        case IMEID_CHT_VER52:
dewyatt@4759
   497
        case IMEID_CHS_VER53:
dewyatt@4759
   498
            p = *(LPBYTE *)((LPBYTE)videodata->ImmLockIMCC(lpimc->hPrivate) + 4);
dewyatt@4759
   499
            if (!p)
dewyatt@4759
   500
                break;
dewyatt@4759
   501
dewyatt@4759
   502
            p = *(LPBYTE *)((LPBYTE)p + 1*4 + 5*4);
dewyatt@4759
   503
            if (!p)
dewyatt@4759
   504
                break;
dewyatt@4759
   505
dewyatt@4759
   506
            len = *(DWORD *)(p + 1*4 + (16*2+2*4) + 5*4 + 16*2);
dewyatt@4759
   507
            s = (WCHAR *)(p + 1*4 + (16*2+2*4) + 5*4);
dewyatt@4759
   508
            break;
dewyatt@4759
   509
        case IMEID_CHS_VER41:
dewyatt@4759
   510
            {
dewyatt@4759
   511
                int offset = (IME_GetId(videodata, 1) >= 0x00000002) ? 8 : 7;
dewyatt@4759
   512
                p = *(LPBYTE *)((LPBYTE)videodata->ImmLockIMCC(lpimc->hPrivate) + offset * 4);
dewyatt@4759
   513
                if (!p)
dewyatt@4759
   514
                    break;
dewyatt@4759
   515
dewyatt@4759
   516
                len = *(DWORD *)(p + 7*4 + 16*2*4);
dewyatt@4759
   517
                s = (WCHAR *)(p + 6*4 + 16*2*1);
dewyatt@4759
   518
            }
dewyatt@4759
   519
            break;
dewyatt@4759
   520
        case IMEID_CHS_VER42:
dewyatt@4759
   521
            if (osversion.dwPlatformId != VER_PLATFORM_WIN32_NT)
dewyatt@4759
   522
                break;
dewyatt@4759
   523
dewyatt@4759
   524
            p = *(LPBYTE *)((LPBYTE)videodata->ImmLockIMCC(lpimc->hPrivate) + 1*4 + 1*4 + 6*4);
dewyatt@4759
   525
            if (!p)
dewyatt@4759
   526
                break;
dewyatt@4759
   527
dewyatt@4759
   528
            len = *(DWORD *)(p + 1*4 + (16*2+2*4) + 5*4 + 16*2);
dewyatt@4759
   529
            s = (WCHAR *)(p + 1*4 + (16*2+2*4) + 5*4);
dewyatt@4759
   530
            break;
dewyatt@4759
   531
        }
slouken@7430
   532
        if (s) {
slouken@7430
   533
            size_t size = SDL_min((size_t)(len + 1), SDL_arraysize(videodata->ime_readingstring));
slouken@7430
   534
            SDL_wcslcpy(videodata->ime_readingstring, s, size);
slouken@7430
   535
        }
dewyatt@4760
   536
dewyatt@4759
   537
        videodata->ImmUnlockIMCC(lpimc->hPrivate);
dewyatt@4759
   538
        videodata->ImmUnlockIMC(himc);
dewyatt@4759
   539
    }
dewyatt@4759
   540
    ImmReleaseContext(hwnd, himc);
dewyatt@4759
   541
    IME_SendEditingEvent(videodata);
dewyatt@4759
   542
}
dewyatt@4759
   543
dewyatt@4759
   544
static void
dewyatt@4759
   545
IME_InputLangChanged(SDL_VideoData *videodata)
dewyatt@4759
   546
{
dewyatt@4760
   547
    UINT lang = PRIMLANG();
dewyatt@4759
   548
    IME_UpdateInputLocale(videodata);
Daniel@4913
   549
    if (!videodata->ime_uiless)
Daniel@4913
   550
        videodata->ime_candlistindexbase = (videodata->ime_hkl == CHT_HKL_DAYI) ? 0 : 1;
Daniel@4913
   551
dewyatt@4759
   552
    IME_SetupAPI(videodata);
dewyatt@4760
   553
    if (lang != PRIMLANG()) {
dewyatt@4759
   554
        IME_ClearComposition(videodata);
dewyatt@4759
   555
    }
dewyatt@4759
   556
}
dewyatt@4759
   557
dewyatt@4759
   558
static DWORD
dewyatt@4759
   559
IME_GetId(SDL_VideoData *videodata, UINT uIndex)
dewyatt@4759
   560
{
dewyatt@4759
   561
    static HKL hklprev = 0;
dewyatt@4759
   562
    static DWORD dwRet[2] = {0};
dewyatt@4759
   563
    DWORD dwVerSize = 0;
dewyatt@4759
   564
    DWORD dwVerHandle = 0;
dewyatt@4759
   565
    LPVOID lpVerBuffer = 0;
dewyatt@4759
   566
    LPVOID lpVerData = 0;
dewyatt@4759
   567
    UINT cbVerData = 0;
dewyatt@4759
   568
    char szTemp[256];
dewyatt@4759
   569
    HKL hkl = 0;
dewyatt@4759
   570
    DWORD dwLang = 0;
dewyatt@4759
   571
    if (uIndex >= sizeof(dwRet) / sizeof(dwRet[0]))
dewyatt@4759
   572
        return 0;
dewyatt@4759
   573
dewyatt@4759
   574
    hkl = videodata->ime_hkl;
dewyatt@4759
   575
    if (hklprev == hkl)
dewyatt@4759
   576
        return dwRet[uIndex];
dewyatt@4759
   577
dewyatt@4759
   578
    hklprev = hkl;
slouken@5108
   579
    dwLang = ((DWORD_PTR)hkl & 0xffff);
dewyatt@4760
   580
    if (videodata->ime_uiless && LANG() == LANG_CHT) {
dewyatt@4759
   581
        dwRet[0] = IMEID_CHT_VER_VISTA;
dewyatt@4759
   582
        dwRet[1] = 0;
dewyatt@4759
   583
        return dwRet[0];
dewyatt@4759
   584
    }
dewyatt@4759
   585
    if (hkl != CHT_HKL_NEW_PHONETIC
dewyatt@4759
   586
        && hkl != CHT_HKL_NEW_CHANG_JIE
dewyatt@4759
   587
        && hkl != CHT_HKL_NEW_QUICK
dewyatt@4759
   588
        && hkl != CHT_HKL_HK_CANTONESE
dewyatt@4760
   589
        && hkl != CHS_HKL) {
dewyatt@4759
   590
        dwRet[0] = dwRet[1] = 0;
dewyatt@4759
   591
        return dwRet[uIndex];
dewyatt@4759
   592
    }
dewyatt@4760
   593
    if (ImmGetIMEFileNameA(hkl, szTemp, sizeof(szTemp) - 1) <= 0) {
dewyatt@4759
   594
        dwRet[0] = dwRet[1] = 0;
dewyatt@4759
   595
        return dwRet[uIndex];
dewyatt@4759
   596
    }
dewyatt@4760
   597
    if (!videodata->GetReadingString) {
dewyatt@4759
   598
        #define LCID_INVARIANT MAKELCID(MAKELANGID(LANG_ENGLISH, SUBLANG_ENGLISH_US), SORT_DEFAULT)
dewyatt@4759
   599
        if (CompareStringA(LCID_INVARIANT, NORM_IGNORECASE, szTemp, -1, CHT_IMEFILENAME1, -1) != 2
dewyatt@4759
   600
            && CompareStringA(LCID_INVARIANT, NORM_IGNORECASE, szTemp, -1, CHT_IMEFILENAME2, -1) != 2
dewyatt@4759
   601
            && CompareStringA(LCID_INVARIANT, NORM_IGNORECASE, szTemp, -1, CHT_IMEFILENAME3, -1) != 2
dewyatt@4759
   602
            && CompareStringA(LCID_INVARIANT, NORM_IGNORECASE, szTemp, -1, CHS_IMEFILENAME1, -1) != 2
dewyatt@4760
   603
            && CompareStringA(LCID_INVARIANT, NORM_IGNORECASE, szTemp, -1, CHS_IMEFILENAME2, -1) != 2) {
dewyatt@4759
   604
            dwRet[0] = dwRet[1] = 0;
dewyatt@4759
   605
            return dwRet[uIndex];
dewyatt@4759
   606
        }
dewyatt@4759
   607
        #undef LCID_INVARIANT
dewyatt@4759
   608
        dwVerSize = GetFileVersionInfoSizeA(szTemp, &dwVerHandle);
dewyatt@4760
   609
        if (dwVerSize) {
dewyatt@4759
   610
            lpVerBuffer = SDL_malloc(dwVerSize);
dewyatt@4760
   611
            if (lpVerBuffer) {
dewyatt@4760
   612
                if (GetFileVersionInfoA(szTemp, dwVerHandle, dwVerSize, lpVerBuffer)) {
dewyatt@4760
   613
                    if (VerQueryValueA(lpVerBuffer, "\\", &lpVerData, &cbVerData)) {
dewyatt@4759
   614
                        #define pVerFixedInfo   ((VS_FIXEDFILEINFO FAR*)lpVerData)
dewyatt@4759
   615
                        DWORD dwVer = pVerFixedInfo->dwFileVersionMS;
dewyatt@4759
   616
                        dwVer = (dwVer & 0x00ff0000) << 8 | (dwVer & 0x000000ff) << 16;
icculus@6403
   617
                        if ((videodata->GetReadingString) ||
icculus@6403
   618
                            ((dwLang == LANG_CHT) && (
dewyatt@4759
   619
                            dwVer == MAKEIMEVERSION(4, 2) ||
dewyatt@4759
   620
                            dwVer == MAKEIMEVERSION(4, 3) ||
dewyatt@4759
   621
                            dwVer == MAKEIMEVERSION(4, 4) ||
dewyatt@4759
   622
                            dwVer == MAKEIMEVERSION(5, 0) ||
dewyatt@4759
   623
                            dwVer == MAKEIMEVERSION(5, 1) ||
dewyatt@4759
   624
                            dwVer == MAKEIMEVERSION(5, 2) ||
icculus@6403
   625
                            dwVer == MAKEIMEVERSION(6, 0)))
dewyatt@4759
   626
                            ||
icculus@6403
   627
                            ((dwLang == LANG_CHS) && (
dewyatt@4759
   628
                            dwVer == MAKEIMEVERSION(4, 1) ||
dewyatt@4759
   629
                            dwVer == MAKEIMEVERSION(4, 2) ||
icculus@6403
   630
                            dwVer == MAKEIMEVERSION(5, 3)))) {
dewyatt@4759
   631
                            dwRet[0] = dwVer | dwLang;
dewyatt@4759
   632
                            dwRet[1] = pVerFixedInfo->dwFileVersionLS;
dewyatt@4759
   633
                            SDL_free(lpVerBuffer);
dewyatt@4759
   634
                            return dwRet[0];
dewyatt@4759
   635
                        }
dewyatt@4759
   636
                        #undef pVerFixedInfo
dewyatt@4759
   637
                    }
dewyatt@4759
   638
                }
dewyatt@4759
   639
            }
dewyatt@4759
   640
            SDL_free(lpVerBuffer);
dewyatt@4759
   641
        }
dewyatt@4759
   642
    }
dewyatt@4759
   643
    dwRet[0] = dwRet[1] = 0;
dewyatt@4759
   644
    return dwRet[uIndex];
dewyatt@4759
   645
}
dewyatt@4759
   646
dewyatt@4759
   647
static void
dewyatt@4759
   648
IME_SetupAPI(SDL_VideoData *videodata)
dewyatt@4759
   649
{
dewyatt@4759
   650
    char ime_file[MAX_PATH + 1];
slouken@5090
   651
    void* hime = 0;
dewyatt@4759
   652
    HKL hkl = 0;
dewyatt@4759
   653
    videodata->GetReadingString = 0;
dewyatt@4759
   654
    videodata->ShowReadingWindow = 0;
dewyatt@4759
   655
    if (videodata->ime_uiless)
dewyatt@4759
   656
        return;
dewyatt@4759
   657
dewyatt@4759
   658
    hkl = videodata->ime_hkl;
dewyatt@4759
   659
    if (ImmGetIMEFileNameA(hkl, ime_file, sizeof(ime_file) - 1) <= 0)
dewyatt@4759
   660
        return;
dewyatt@4759
   661
slouken@5090
   662
    hime = SDL_LoadObject(ime_file);
dewyatt@4759
   663
    if (!hime)
dewyatt@4759
   664
        return;
dewyatt@4759
   665
dewyatt@4759
   666
    videodata->GetReadingString = (UINT (WINAPI *)(HIMC, UINT, LPWSTR, PINT, BOOL*, PUINT))
slouken@5090
   667
        SDL_LoadFunction(hime, "GetReadingString");
dewyatt@4759
   668
    videodata->ShowReadingWindow = (BOOL (WINAPI *)(HIMC, BOOL))
slouken@5090
   669
        SDL_LoadFunction(hime, "ShowReadingWindow");
dewyatt@4759
   670
dewyatt@4760
   671
    if (videodata->ShowReadingWindow) {
dewyatt@4759
   672
        HIMC himc = ImmGetContext(videodata->ime_hwnd_current);
dewyatt@4760
   673
        if (himc) {
dewyatt@4759
   674
            videodata->ShowReadingWindow(himc, FALSE);
dewyatt@4759
   675
            ImmReleaseContext(videodata->ime_hwnd_current, himc);
dewyatt@4759
   676
        }
dewyatt@4759
   677
    }
dewyatt@4759
   678
}
dewyatt@4759
   679
dewyatt@4759
   680
static void
dewyatt@4759
   681
IME_SetWindow(SDL_VideoData* videodata, HWND hwnd)
dewyatt@4759
   682
{
dewyatt@4759
   683
    videodata->ime_hwnd_current = hwnd;
dewyatt@4759
   684
    if (videodata->ime_threadmgr) {
dewyatt@4759
   685
        struct ITfDocumentMgr *document_mgr = 0;
dewyatt@4759
   686
        if (SUCCEEDED(videodata->ime_threadmgr->lpVtbl->AssociateFocus(videodata->ime_threadmgr, hwnd, NULL, &document_mgr))) {
dewyatt@4759
   687
            if (document_mgr)
dewyatt@4759
   688
                document_mgr->lpVtbl->Release(document_mgr);
dewyatt@4759
   689
        }
dewyatt@4759
   690
    }
dewyatt@4759
   691
}
dewyatt@4759
   692
dewyatt@4759
   693
static void
dewyatt@4759
   694
IME_UpdateInputLocale(SDL_VideoData *videodata)
dewyatt@4759
   695
{
dewyatt@4760
   696
    static HKL hklprev = 0;
dewyatt@4759
   697
    videodata->ime_hkl = GetKeyboardLayout(0);
dewyatt@4760
   698
    if (hklprev == videodata->ime_hkl)
dewyatt@4759
   699
        return;
dewyatt@4759
   700
dewyatt@4760
   701
    hklprev = videodata->ime_hkl;
Daniel@4914
   702
    switch (PRIMLANG()) {
Daniel@4913
   703
    case LANG_CHINESE:
Daniel@4913
   704
        videodata->ime_candvertical = SDL_TRUE;
Daniel@4913
   705
        if (SUBLANG() == SUBLANG_CHINESE_SIMPLIFIED)
Daniel@4913
   706
            videodata->ime_candvertical = SDL_FALSE;
Daniel@4913
   707
Daniel@4913
   708
        break;
Daniel@4913
   709
    case LANG_JAPANESE:
Daniel@4913
   710
        videodata->ime_candvertical = SDL_TRUE;
Daniel@4913
   711
        break;
Daniel@4913
   712
    case LANG_KOREAN:
Daniel@4913
   713
        videodata->ime_candvertical = SDL_FALSE;
Daniel@4913
   714
        break;
Daniel@4913
   715
    }
dewyatt@4759
   716
}
dewyatt@4759
   717
dewyatt@4759
   718
static void
dewyatt@4759
   719
IME_ClearComposition(SDL_VideoData *videodata)
dewyatt@4759
   720
{
dewyatt@4759
   721
    HIMC himc = 0;
dewyatt@4759
   722
    if (!videodata->ime_initialized)
dewyatt@4759
   723
        return;
dewyatt@4759
   724
dewyatt@4759
   725
    himc = ImmGetContext(videodata->ime_hwnd_current);
dewyatt@4759
   726
    if (!himc)
dewyatt@4759
   727
        return;
dewyatt@4759
   728
dewyatt@4759
   729
    ImmNotifyIME(himc, NI_COMPOSITIONSTR, CPS_CANCEL, 0);
dewyatt@4759
   730
    if (videodata->ime_uiless)
dewyatt@4759
   731
        ImmSetCompositionString(himc, SCS_SETSTR, TEXT(""), sizeof(TCHAR), TEXT(""), sizeof(TCHAR));
dewyatt@4759
   732
dewyatt@4759
   733
    ImmNotifyIME(himc, NI_CLOSECANDIDATE, 0, 0);
dewyatt@4759
   734
    ImmReleaseContext(videodata->ime_hwnd_current, himc);
dewyatt@4759
   735
    SDL_SendEditingText("", 0, 0);
dewyatt@4759
   736
}
dewyatt@4759
   737
dewyatt@4759
   738
static void
dewyatt@4759
   739
IME_GetCompositionString(SDL_VideoData *videodata, HIMC himc, DWORD string)
dewyatt@4759
   740
{
slouken@7430
   741
    LONG length = ImmGetCompositionStringW(himc, string, videodata->ime_composition, sizeof(videodata->ime_composition) - sizeof(videodata->ime_composition[0]));
dewyatt@4760
   742
    if (length < 0)
dewyatt@4760
   743
        length = 0;
dewyatt@4759
   744
dewyatt@4760
   745
    length /= sizeof(videodata->ime_composition[0]);
dewyatt@4759
   746
    videodata->ime_cursor = LOWORD(ImmGetCompositionStringW(himc, GCS_CURSORPOS, 0, 0));
slouken@7430
   747
    if (videodata->ime_cursor < SDL_arraysize(videodata->ime_composition) && videodata->ime_composition[videodata->ime_cursor] == 0x3000) {
dewyatt@4759
   748
        int i;
dewyatt@4760
   749
        for (i = videodata->ime_cursor + 1; i < length; ++i)
dewyatt@4759
   750
            videodata->ime_composition[i - 1] = videodata->ime_composition[i];
dewyatt@4759
   751
dewyatt@4760
   752
        --length;
dewyatt@4759
   753
    }
dewyatt@4760
   754
    videodata->ime_composition[length] = 0;
dewyatt@4759
   755
}
dewyatt@4759
   756
dewyatt@4759
   757
static void
dewyatt@4759
   758
IME_SendInputEvent(SDL_VideoData *videodata)
dewyatt@4759
   759
{
dewyatt@4759
   760
    char *s = 0;
dewyatt@4759
   761
    s = WIN_StringToUTF8(videodata->ime_composition);
dewyatt@4759
   762
    SDL_SendKeyboardText(s);
dewyatt@4759
   763
    SDL_free(s);
dewyatt@4759
   764
dewyatt@4759
   765
    videodata->ime_composition[0] = 0;
dewyatt@4759
   766
    videodata->ime_readingstring[0] = 0;
dewyatt@4759
   767
    videodata->ime_cursor = 0;
dewyatt@4759
   768
}
dewyatt@4759
   769
dewyatt@4759
   770
static void
dewyatt@4759
   771
IME_SendEditingEvent(SDL_VideoData *videodata)
dewyatt@4759
   772
{
dewyatt@4759
   773
    char *s = 0;
dewyatt@4760
   774
    WCHAR buffer[SDL_TEXTEDITINGEVENT_TEXT_SIZE];
slouken@7430
   775
    const size_t size = SDL_arraysize(buffer);
dewyatt@4760
   776
    buffer[0] = 0;
dewyatt@4760
   777
    if (videodata->ime_readingstring[0]) {
dewyatt@4759
   778
        size_t len = SDL_min(SDL_wcslen(videodata->ime_composition), (size_t)videodata->ime_cursor);
dewyatt@4760
   779
        SDL_wcslcpy(buffer, videodata->ime_composition, len + 1);
slouken@7430
   780
        SDL_wcslcat(buffer, videodata->ime_readingstring, size);
slouken@7430
   781
        SDL_wcslcat(buffer, &videodata->ime_composition[len], size);
dewyatt@4759
   782
    }
dewyatt@4760
   783
    else {
slouken@7430
   784
        SDL_wcslcpy(buffer, videodata->ime_composition, size);
dewyatt@4759
   785
    }
dewyatt@4760
   786
    s = WIN_StringToUTF8(buffer);
slouken@9821
   787
    SDL_SendEditingText(s, videodata->ime_cursor + (int)SDL_wcslen(videodata->ime_readingstring), 0);
dewyatt@4759
   788
    SDL_free(s);
dewyatt@4759
   789
}
dewyatt@4759
   790
Daniel@4913
   791
static void
Daniel@4913
   792
IME_AddCandidate(SDL_VideoData *videodata, UINT i, LPCWSTR candidate)
Daniel@4913
   793
{
Daniel@4913
   794
    LPWSTR dst = videodata->ime_candidates[i];
Daniel@4913
   795
    *dst++ = (WCHAR)(TEXT('0') + ((i + videodata->ime_candlistindexbase) % 10));
Daniel@4913
   796
    if (videodata->ime_candvertical)
Daniel@4913
   797
        *dst++ = TEXT(' ');
Daniel@4913
   798
Daniel@4913
   799
    while (*candidate && (SDL_arraysize(videodata->ime_candidates[i]) > (dst - videodata->ime_candidates[i])))
Daniel@4913
   800
        *dst++ = *candidate++;
Daniel@4913
   801
Daniel@4913
   802
    *dst = (WCHAR)'\0';
Daniel@4913
   803
}
Daniel@4913
   804
Daniel@4913
   805
static void
Daniel@4913
   806
IME_GetCandidateList(HIMC himc, SDL_VideoData *videodata)
Daniel@4913
   807
{
Daniel@4913
   808
    LPCANDIDATELIST cand_list = 0;
Daniel@4913
   809
    DWORD size = ImmGetCandidateListW(himc, 0, 0, 0);
Daniel@4914
   810
    if (size) {
Daniel@4913
   811
        cand_list = (LPCANDIDATELIST)SDL_malloc(size);
Daniel@4914
   812
        if (cand_list) {
Daniel@4913
   813
            size = ImmGetCandidateListW(himc, 0, cand_list, size);
Daniel@4914
   814
            if (size) {
slouken@8976
   815
                UINT i, j;
slouken@8976
   816
                UINT page_start = 0;
Daniel@4913
   817
                videodata->ime_candsel = cand_list->dwSelection;
Daniel@4913
   818
                videodata->ime_candcount = cand_list->dwCount;
Daniel@4913
   819
Daniel@4914
   820
                if (LANG() == LANG_CHS && IME_GetId(videodata, 0)) {
Daniel@4913
   821
                    const UINT maxcandchar = 18;
slouken@7870
   822
                    size_t cchars = 0;
Daniel@4913
   823
slouken@8976
   824
                    for (i = 0; i < videodata->ime_candcount; ++i) {
slouken@7870
   825
                        size_t len = SDL_wcslen((LPWSTR)((DWORD_PTR)cand_list + cand_list->dwOffset[i])) + 1;
Daniel@4914
   826
                        if (len + cchars > maxcandchar) {
Daniel@4913
   827
                            if (i > cand_list->dwSelection)
Daniel@4913
   828
                                break;
Daniel@4913
   829
Daniel@4913
   830
                            page_start = i;
Daniel@4913
   831
                            cchars = len;
Daniel@4913
   832
                        }
Daniel@4914
   833
                        else {
Daniel@4913
   834
                            cchars += len;
Daniel@4913
   835
                        }
Daniel@4913
   836
                    }
Daniel@4913
   837
                    videodata->ime_candpgsize = i - page_start;
slouken@8976
   838
                } else {
Daniel@4913
   839
                    videodata->ime_candpgsize = SDL_min(cand_list->dwPageSize, MAX_CANDLIST);
Daniel@4913
   840
                    page_start = (cand_list->dwSelection / videodata->ime_candpgsize) * videodata->ime_candpgsize;
Daniel@4913
   841
                }
Daniel@4913
   842
                SDL_memset(&videodata->ime_candidates, 0, sizeof(videodata->ime_candidates));
Daniel@4914
   843
                for (i = page_start, j = 0; (DWORD)i < cand_list->dwCount && j < (int)videodata->ime_candpgsize; i++, j++) {
slouken@5108
   844
                    LPCWSTR candidate = (LPCWSTR)((DWORD_PTR)cand_list + cand_list->dwOffset[i]);
Daniel@4913
   845
                    IME_AddCandidate(videodata, j, candidate);
Daniel@4913
   846
                }
Daniel@4913
   847
                if (PRIMLANG() == LANG_KOREAN || (PRIMLANG() == LANG_CHT && !IME_GetId(videodata, 0)))
Daniel@4913
   848
                    videodata->ime_candsel = -1;
Daniel@4913
   849
Daniel@4913
   850
            }
Daniel@4913
   851
            SDL_free(cand_list);
Daniel@4913
   852
        }
Daniel@4913
   853
    }
Daniel@4913
   854
}
Daniel@4913
   855
Daniel@4913
   856
static void
Daniel@4913
   857
IME_ShowCandidateList(SDL_VideoData *videodata)
Daniel@4913
   858
{
Daniel@4913
   859
    videodata->ime_dirty = SDL_TRUE;
Daniel@4913
   860
    videodata->ime_candlist = SDL_TRUE;
Daniel@4913
   861
    IME_DestroyTextures(videodata);
Daniel@4913
   862
    IME_SendEditingEvent(videodata);
Daniel@4913
   863
}
Daniel@4913
   864
Daniel@4913
   865
static void
Daniel@4913
   866
IME_HideCandidateList(SDL_VideoData *videodata)
Daniel@4913
   867
{
Daniel@4913
   868
    videodata->ime_dirty = SDL_FALSE;
Daniel@4913
   869
    videodata->ime_candlist = SDL_FALSE;
Daniel@4913
   870
    IME_DestroyTextures(videodata);
Daniel@4913
   871
    IME_SendEditingEvent(videodata);
Daniel@4913
   872
}
Daniel@4913
   873
dewyatt@4752
   874
SDL_bool
dewyatt@4752
   875
IME_HandleMessage(HWND hwnd, UINT msg, WPARAM wParam, LPARAM *lParam, SDL_VideoData *videodata)
dewyatt@4752
   876
{
dewyatt@4752
   877
    SDL_bool trap = SDL_FALSE;
dewyatt@4752
   878
    HIMC himc = 0;
dewyatt@4752
   879
    if (!videodata->ime_initialized || !videodata->ime_available || !videodata->ime_enabled)
dewyatt@4752
   880
        return SDL_FALSE;
dewyatt@4752
   881
Daniel@4914
   882
    switch (msg) {
dewyatt@4752
   883
    case WM_INPUTLANGCHANGE:
Daniel@4913
   884
        IME_InputLangChanged(videodata);
dewyatt@4752
   885
        break;
dewyatt@4752
   886
    case WM_IME_SETCONTEXT:
dewyatt@4752
   887
        *lParam = 0;
dewyatt@4752
   888
        break;
dewyatt@4752
   889
    case WM_IME_STARTCOMPOSITION:
dewyatt@4752
   890
        trap = SDL_TRUE;
dewyatt@4752
   891
        break;
dewyatt@4752
   892
    case WM_IME_COMPOSITION:
dewyatt@4752
   893
        trap = SDL_TRUE;
dewyatt@4752
   894
        himc = ImmGetContext(hwnd);
dewyatt@4760
   895
        if (*lParam & GCS_RESULTSTR) {
dewyatt@4759
   896
            IME_GetCompositionString(videodata, himc, GCS_RESULTSTR);
dewyatt@4759
   897
            IME_SendInputEvent(videodata);
dewyatt@4752
   898
        }
dewyatt@4760
   899
        if (*lParam & GCS_COMPSTR) {
dewyatt@4759
   900
            if (!videodata->ime_uiless)
dewyatt@4759
   901
                videodata->ime_readingstring[0] = 0;
dewyatt@4759
   902
dewyatt@4759
   903
            IME_GetCompositionString(videodata, himc, GCS_COMPSTR);
dewyatt@4759
   904
            IME_SendEditingEvent(videodata);
dewyatt@4752
   905
        }
dewyatt@4752
   906
        ImmReleaseContext(hwnd, himc);
dewyatt@4752
   907
        break;
dewyatt@4752
   908
    case WM_IME_ENDCOMPOSITION:
dewyatt@4759
   909
        videodata->ime_composition[0] = 0;
dewyatt@4759
   910
        videodata->ime_readingstring[0] = 0;
dewyatt@4759
   911
        videodata->ime_cursor = 0;
dewyatt@4759
   912
        SDL_SendEditingText("", 0, 0);
dewyatt@4752
   913
        break;
dewyatt@4752
   914
    case WM_IME_NOTIFY:
Daniel@4914
   915
        switch (wParam) {
dewyatt@4752
   916
        case IMN_SETCONVERSIONMODE:
dewyatt@4752
   917
        case IMN_SETOPENSTATUS:
dewyatt@4759
   918
            IME_UpdateInputLocale(videodata);
dewyatt@4752
   919
            break;
dewyatt@4752
   920
        case IMN_OPENCANDIDATE:
dewyatt@4752
   921
        case IMN_CHANGECANDIDATE:
Daniel@4913
   922
            if (videodata->ime_uiless)
Daniel@4913
   923
                break;
Daniel@4913
   924
dewyatt@4752
   925
            trap = SDL_TRUE;
Daniel@4913
   926
            IME_ShowCandidateList(videodata);
Daniel@4913
   927
            himc = ImmGetContext(hwnd);
Daniel@4913
   928
            if (!himc)
Daniel@4913
   929
                break;
Daniel@4913
   930
Daniel@4913
   931
            IME_GetCandidateList(himc, videodata);
Daniel@4913
   932
            ImmReleaseContext(hwnd, himc);
dewyatt@4752
   933
            break;
dewyatt@4752
   934
        case IMN_CLOSECANDIDATE:
dewyatt@4752
   935
            trap = SDL_TRUE;
Daniel@4913
   936
            IME_HideCandidateList(videodata);
dewyatt@4752
   937
            break;
dewyatt@4752
   938
        case IMN_PRIVATE:
dewyatt@4759
   939
            {
dewyatt@4759
   940
                DWORD dwId = IME_GetId(videodata, 0);
dewyatt@4759
   941
                IME_GetReadingString(videodata, hwnd);
dewyatt@4759
   942
                switch (dwId)
dewyatt@4759
   943
                {
dewyatt@4759
   944
                case IMEID_CHT_VER42:
dewyatt@4759
   945
                case IMEID_CHT_VER43:
dewyatt@4759
   946
                case IMEID_CHT_VER44:
dewyatt@4759
   947
                case IMEID_CHS_VER41:
dewyatt@4759
   948
                case IMEID_CHS_VER42:
dewyatt@4759
   949
                    if (*lParam == 1 || *lParam == 2)
dewyatt@4759
   950
                        trap = SDL_TRUE;
dewyatt@4759
   951
dewyatt@4759
   952
                    break;
dewyatt@4759
   953
                case IMEID_CHT_VER50:
dewyatt@4759
   954
                case IMEID_CHT_VER51:
dewyatt@4759
   955
                case IMEID_CHT_VER52:
dewyatt@4759
   956
                case IMEID_CHT_VER60:
dewyatt@4759
   957
                case IMEID_CHS_VER53:
dewyatt@4759
   958
                    if (*lParam == 16
dewyatt@4759
   959
                        || *lParam == 17
dewyatt@4759
   960
                        || *lParam == 26
dewyatt@4759
   961
                        || *lParam == 27
dewyatt@4759
   962
                        || *lParam == 28)
dewyatt@4759
   963
                        trap = SDL_TRUE;
dewyatt@4759
   964
                    break;
dewyatt@4759
   965
                }
dewyatt@4759
   966
            }
dewyatt@4752
   967
            break;
dewyatt@4752
   968
        default:
dewyatt@4752
   969
            trap = SDL_TRUE;
dewyatt@4752
   970
            break;
dewyatt@4752
   971
        }
dewyatt@4752
   972
        break;
dewyatt@4752
   973
    }
dewyatt@4752
   974
    return trap;
dewyatt@4752
   975
}
dewyatt@4752
   976
Daniel@4913
   977
static void
Daniel@4913
   978
IME_CloseCandidateList(SDL_VideoData *videodata)
Daniel@4913
   979
{
Daniel@4913
   980
    IME_HideCandidateList(videodata);
Daniel@4913
   981
    videodata->ime_candcount = 0;
Daniel@4913
   982
    SDL_memset(videodata->ime_candidates, 0, sizeof(videodata->ime_candidates));
Daniel@4913
   983
}
Daniel@4913
   984
Daniel@4913
   985
static void
Daniel@4913
   986
UILess_GetCandidateList(SDL_VideoData *videodata, ITfCandidateListUIElement *pcandlist)
Daniel@4913
   987
{
Daniel@4913
   988
    UINT selection = 0;
Daniel@4913
   989
    UINT count = 0;
Daniel@4913
   990
    UINT page = 0;
Daniel@4913
   991
    UINT pgcount = 0;
Daniel@4913
   992
    DWORD pgstart = 0;
Daniel@4913
   993
    DWORD pgsize = 0;
Daniel@4913
   994
    UINT i, j;
Daniel@4913
   995
    pcandlist->lpVtbl->GetSelection(pcandlist, &selection);
Daniel@4913
   996
    pcandlist->lpVtbl->GetCount(pcandlist, &count);
Daniel@4913
   997
    pcandlist->lpVtbl->GetCurrentPage(pcandlist, &page);
Daniel@4913
   998
Daniel@4913
   999
    videodata->ime_candsel = selection;
Daniel@4913
  1000
    videodata->ime_candcount = count;
Daniel@4913
  1001
    IME_ShowCandidateList(videodata);
Daniel@4913
  1002
Daniel@4913
  1003
    pcandlist->lpVtbl->GetPageIndex(pcandlist, 0, 0, &pgcount);
Daniel@4914
  1004
    if (pgcount > 0) {
Daniel@4913
  1005
        UINT *idxlist = SDL_malloc(sizeof(UINT) * pgcount);
Daniel@4914
  1006
        if (idxlist) {
Daniel@4913
  1007
            pcandlist->lpVtbl->GetPageIndex(pcandlist, idxlist, pgcount, &pgcount);
Daniel@4913
  1008
            pgstart = idxlist[page];
Daniel@4913
  1009
            if (page < pgcount - 1)
Daniel@4913
  1010
                pgsize = SDL_min(count, idxlist[page + 1]) - pgstart;
Daniel@4913
  1011
            else
Daniel@4913
  1012
                pgsize = count - pgstart;
Daniel@4913
  1013
Daniel@4913
  1014
            SDL_free(idxlist);
Daniel@4913
  1015
        }
Daniel@4913
  1016
    }
Daniel@4913
  1017
    videodata->ime_candpgsize = SDL_min(pgsize, MAX_CANDLIST);
Daniel@4913
  1018
    videodata->ime_candsel = videodata->ime_candsel - pgstart;
Daniel@4913
  1019
Daniel@4913
  1020
    SDL_memset(videodata->ime_candidates, 0, sizeof(videodata->ime_candidates));
Daniel@4914
  1021
    for (i = pgstart, j = 0; (DWORD)i < count && j < videodata->ime_candpgsize; i++, j++) {
Daniel@4913
  1022
        BSTR bstr;
Daniel@4914
  1023
        if (SUCCEEDED(pcandlist->lpVtbl->GetString(pcandlist, i, &bstr))) {
Daniel@4914
  1024
            if (bstr) {
Daniel@4913
  1025
                IME_AddCandidate(videodata, j, bstr);
Daniel@4913
  1026
                SysFreeString(bstr);
Daniel@4913
  1027
            }
Daniel@4913
  1028
        }
Daniel@4913
  1029
    }
Daniel@4913
  1030
    if (PRIMLANG() == LANG_KOREAN)
Daniel@4913
  1031
        videodata->ime_candsel = -1;
Daniel@4913
  1032
}
Daniel@4913
  1033
dewyatt@4759
  1034
STDMETHODIMP_(ULONG) TSFSink_AddRef(TSFSink *sink)
dewyatt@4759
  1035
{
dewyatt@4759
  1036
    return ++sink->refcount;
dewyatt@4759
  1037
}
dewyatt@4759
  1038
icculus@10703
  1039
STDMETHODIMP_(ULONG) TSFSink_Release(TSFSink *sink)
dewyatt@4759
  1040
{
dewyatt@4759
  1041
    --sink->refcount;
Daniel@4914
  1042
    if (sink->refcount == 0) {
dewyatt@4759
  1043
        SDL_free(sink);
dewyatt@4759
  1044
        return 0;
dewyatt@4759
  1045
    }
dewyatt@4759
  1046
    return sink->refcount;
dewyatt@4759
  1047
}
dewyatt@4759
  1048
dewyatt@4759
  1049
STDMETHODIMP UIElementSink_QueryInterface(TSFSink *sink, REFIID riid, PVOID *ppv)
dewyatt@4759
  1050
{
dewyatt@4759
  1051
    if (!ppv)
dewyatt@4759
  1052
        return E_INVALIDARG;
dewyatt@4759
  1053
dewyatt@4759
  1054
    *ppv = 0;
dewyatt@4759
  1055
    if (SDL_IsEqualIID(riid, &IID_IUnknown))
dewyatt@4759
  1056
        *ppv = (IUnknown *)sink;
dewyatt@4759
  1057
    else if (SDL_IsEqualIID(riid, &IID_ITfUIElementSink))
dewyatt@4759
  1058
        *ppv = (ITfUIElementSink *)sink;
dewyatt@4759
  1059
dewyatt@4760
  1060
    if (*ppv) {
dewyatt@4759
  1061
        TSFSink_AddRef(sink);
dewyatt@4759
  1062
        return S_OK;
dewyatt@4759
  1063
    }
dewyatt@4759
  1064
    return E_NOINTERFACE;
dewyatt@4759
  1065
}
dewyatt@4759
  1066
dewyatt@4759
  1067
ITfUIElement *UILess_GetUIElement(SDL_VideoData *videodata, DWORD dwUIElementId)
dewyatt@4759
  1068
{
dewyatt@4759
  1069
    ITfUIElementMgr *puiem = 0;
dewyatt@4759
  1070
    ITfUIElement *pelem = 0;
dewyatt@4759
  1071
    ITfThreadMgrEx *threadmgrex = videodata->ime_threadmgrex;
dewyatt@4759
  1072
dewyatt@4760
  1073
    if (SUCCEEDED(threadmgrex->lpVtbl->QueryInterface(threadmgrex, &IID_ITfUIElementMgr, (LPVOID *)&puiem))) {
dewyatt@4759
  1074
        puiem->lpVtbl->GetUIElement(puiem, dwUIElementId, &pelem);
dewyatt@4759
  1075
        puiem->lpVtbl->Release(puiem);
dewyatt@4759
  1076
    }
dewyatt@4759
  1077
    return pelem;
dewyatt@4759
  1078
}
dewyatt@4759
  1079
dewyatt@4759
  1080
STDMETHODIMP UIElementSink_BeginUIElement(TSFSink *sink, DWORD dwUIElementId, BOOL *pbShow)
dewyatt@4759
  1081
{
dewyatt@4760
  1082
    ITfUIElement *element = UILess_GetUIElement((SDL_VideoData *)sink->data, dwUIElementId);
dewyatt@4759
  1083
    ITfReadingInformationUIElement *preading = 0;
Daniel@4913
  1084
    ITfCandidateListUIElement *pcandlist = 0;
dewyatt@4759
  1085
    SDL_VideoData *videodata = (SDL_VideoData *)sink->data;
dewyatt@4760
  1086
    if (!element)
dewyatt@4759
  1087
        return E_INVALIDARG;
dewyatt@4759
  1088
dewyatt@4759
  1089
    *pbShow = FALSE;
dewyatt@4760
  1090
    if (SUCCEEDED(element->lpVtbl->QueryInterface(element, &IID_ITfReadingInformationUIElement, (LPVOID *)&preading))) {
dewyatt@4759
  1091
        BSTR bstr;
dewyatt@4760
  1092
        if (SUCCEEDED(preading->lpVtbl->GetString(preading, &bstr)) && bstr) {
dewyatt@4759
  1093
            SysFreeString(bstr);
dewyatt@4759
  1094
        }
dewyatt@4759
  1095
        preading->lpVtbl->Release(preading);
dewyatt@4759
  1096
    }
slouken@7191
  1097
    else if (SUCCEEDED(element->lpVtbl->QueryInterface(element, &IID_ITfCandidateListUIElement, (LPVOID *)&pcandlist))) {
Daniel@4913
  1098
        videodata->ime_candref++;
Daniel@4913
  1099
        UILess_GetCandidateList(videodata, pcandlist);
Daniel@4913
  1100
        pcandlist->lpVtbl->Release(pcandlist);
Daniel@4913
  1101
    }
dewyatt@4759
  1102
    return S_OK;
dewyatt@4759
  1103
}
dewyatt@4759
  1104
dewyatt@4759
  1105
STDMETHODIMP UIElementSink_UpdateUIElement(TSFSink *sink, DWORD dwUIElementId)
dewyatt@4759
  1106
{
dewyatt@4760
  1107
    ITfUIElement *element = UILess_GetUIElement((SDL_VideoData *)sink->data, dwUIElementId);
dewyatt@4759
  1108
    ITfReadingInformationUIElement *preading = 0;
Daniel@4913
  1109
    ITfCandidateListUIElement *pcandlist = 0;
dewyatt@4759
  1110
    SDL_VideoData *videodata = (SDL_VideoData *)sink->data;
dewyatt@4760
  1111
    if (!element)
dewyatt@4759
  1112
        return E_INVALIDARG;
dewyatt@4759
  1113
dewyatt@4760
  1114
    if (SUCCEEDED(element->lpVtbl->QueryInterface(element, &IID_ITfReadingInformationUIElement, (LPVOID *)&preading))) {
dewyatt@4759
  1115
        BSTR bstr;
dewyatt@4760
  1116
        if (SUCCEEDED(preading->lpVtbl->GetString(preading, &bstr)) && bstr) {
dewyatt@4759
  1117
            WCHAR *s = (WCHAR *)bstr;
slouken@7430
  1118
            SDL_wcslcpy(videodata->ime_readingstring, s, SDL_arraysize(videodata->ime_readingstring));
dewyatt@4759
  1119
            IME_SendEditingEvent(videodata);
dewyatt@4759
  1120
            SysFreeString(bstr);
dewyatt@4759
  1121
        }
dewyatt@4759
  1122
        preading->lpVtbl->Release(preading);
dewyatt@4759
  1123
    }
slouken@7191
  1124
    else if (SUCCEEDED(element->lpVtbl->QueryInterface(element, &IID_ITfCandidateListUIElement, (LPVOID *)&pcandlist))) {
Daniel@4913
  1125
        UILess_GetCandidateList(videodata, pcandlist);
Daniel@4913
  1126
        pcandlist->lpVtbl->Release(pcandlist);
Daniel@4913
  1127
    }
dewyatt@4759
  1128
    return S_OK;
dewyatt@4759
  1129
}
dewyatt@4759
  1130
dewyatt@4759
  1131
STDMETHODIMP UIElementSink_EndUIElement(TSFSink *sink, DWORD dwUIElementId)
dewyatt@4759
  1132
{
dewyatt@4760
  1133
    ITfUIElement *element = UILess_GetUIElement((SDL_VideoData *)sink->data, dwUIElementId);
dewyatt@4759
  1134
    ITfReadingInformationUIElement *preading = 0;
Daniel@4913
  1135
    ITfCandidateListUIElement *pcandlist = 0;
dewyatt@4759
  1136
    SDL_VideoData *videodata = (SDL_VideoData *)sink->data;
dewyatt@4760
  1137
    if (!element)
dewyatt@4759
  1138
        return E_INVALIDARG;
dewyatt@4759
  1139
dewyatt@4760
  1140
    if (SUCCEEDED(element->lpVtbl->QueryInterface(element, &IID_ITfReadingInformationUIElement, (LPVOID *)&preading))) {
dewyatt@4759
  1141
        videodata->ime_readingstring[0] = 0;
dewyatt@4759
  1142
        IME_SendEditingEvent(videodata);
dewyatt@4759
  1143
        preading->lpVtbl->Release(preading);
dewyatt@4759
  1144
    }
Daniel@4913
  1145
    if (SUCCEEDED(element->lpVtbl->QueryInterface(element, &IID_ITfCandidateListUIElement, (LPVOID *)&pcandlist))) {
Daniel@4913
  1146
        videodata->ime_candref--;
Daniel@4913
  1147
        if (videodata->ime_candref == 0)
Daniel@4913
  1148
            IME_CloseCandidateList(videodata);
Daniel@4913
  1149
Daniel@4913
  1150
        pcandlist->lpVtbl->Release(pcandlist);
Daniel@4913
  1151
    }
dewyatt@4759
  1152
    return S_OK;
dewyatt@4759
  1153
}
dewyatt@4759
  1154
dewyatt@4759
  1155
STDMETHODIMP IPPASink_QueryInterface(TSFSink *sink, REFIID riid, PVOID *ppv)
dewyatt@4759
  1156
{
dewyatt@4759
  1157
    if (!ppv)
dewyatt@4759
  1158
        return E_INVALIDARG;
dewyatt@4759
  1159
dewyatt@4759
  1160
    *ppv = 0;
dewyatt@4759
  1161
    if (SDL_IsEqualIID(riid, &IID_IUnknown))
dewyatt@4759
  1162
        *ppv = (IUnknown *)sink;
dewyatt@4759
  1163
    else if (SDL_IsEqualIID(riid, &IID_ITfInputProcessorProfileActivationSink))
dewyatt@4759
  1164
        *ppv = (ITfInputProcessorProfileActivationSink *)sink;
dewyatt@4759
  1165
dewyatt@4760
  1166
    if (*ppv) {
dewyatt@4759
  1167
        TSFSink_AddRef(sink);
dewyatt@4759
  1168
        return S_OK;
dewyatt@4759
  1169
    }
dewyatt@4759
  1170
    return E_NOINTERFACE;
dewyatt@4759
  1171
}
dewyatt@4759
  1172
dewyatt@4759
  1173
STDMETHODIMP IPPASink_OnActivated(TSFSink *sink, DWORD dwProfileType, LANGID langid, REFCLSID clsid, REFGUID catid, REFGUID guidProfile, HKL hkl, DWORD dwFlags)
dewyatt@4759
  1174
{
icculus@6403
  1175
    static const GUID TF_PROFILE_DAYI = { 0x037B2C25, 0x480C, 0x4D7F, { 0xB0, 0x27, 0xD6, 0xCA, 0x6B, 0x69, 0x78, 0x8A } };
Daniel@4913
  1176
    SDL_VideoData *videodata = (SDL_VideoData *)sink->data;
Daniel@4913
  1177
    videodata->ime_candlistindexbase = SDL_IsEqualGUID(&TF_PROFILE_DAYI, guidProfile) ? 0 : 1;
dewyatt@4759
  1178
    if (SDL_IsEqualIID(catid, &GUID_TFCAT_TIP_KEYBOARD) && (dwFlags & TF_IPSINK_FLAG_ACTIVE))
dewyatt@4759
  1179
        IME_InputLangChanged((SDL_VideoData *)sink->data);
dewyatt@4759
  1180
Daniel@4913
  1181
    IME_HideCandidateList(videodata);
dewyatt@4759
  1182
    return S_OK;
dewyatt@4759
  1183
}
dewyatt@4759
  1184
dewyatt@4759
  1185
static void *vtUIElementSink[] = {
dewyatt@4759
  1186
    (void *)(UIElementSink_QueryInterface),
dewyatt@4759
  1187
    (void *)(TSFSink_AddRef),
dewyatt@4759
  1188
    (void *)(TSFSink_Release),
dewyatt@4759
  1189
    (void *)(UIElementSink_BeginUIElement),
dewyatt@4759
  1190
    (void *)(UIElementSink_UpdateUIElement),
dewyatt@4759
  1191
    (void *)(UIElementSink_EndUIElement)
dewyatt@4759
  1192
};
dewyatt@4759
  1193
dewyatt@4759
  1194
static void *vtIPPASink[] = {
dewyatt@4759
  1195
    (void *)(IPPASink_QueryInterface),
dewyatt@4759
  1196
    (void *)(TSFSink_AddRef),
dewyatt@4759
  1197
    (void *)(TSFSink_Release),
dewyatt@4759
  1198
    (void *)(IPPASink_OnActivated)
dewyatt@4759
  1199
};
dewyatt@4759
  1200
dewyatt@4759
  1201
static void
dewyatt@4759
  1202
UILess_EnableUIUpdates(SDL_VideoData *videodata)
dewyatt@4759
  1203
{
dewyatt@4759
  1204
    ITfSource *source = 0;
dewyatt@4759
  1205
    if (!videodata->ime_threadmgrex || videodata->ime_uielemsinkcookie != TF_INVALID_COOKIE)
dewyatt@4759
  1206
        return;
dewyatt@4759
  1207
dewyatt@4760
  1208
    if (SUCCEEDED(videodata->ime_threadmgrex->lpVtbl->QueryInterface(videodata->ime_threadmgrex, &IID_ITfSource, (LPVOID *)&source))) {
dewyatt@4759
  1209
        source->lpVtbl->AdviseSink(source, &IID_ITfUIElementSink, (IUnknown *)videodata->ime_uielemsink, &videodata->ime_uielemsinkcookie);
dewyatt@4759
  1210
        source->lpVtbl->Release(source);
dewyatt@4759
  1211
    }
dewyatt@4759
  1212
}
dewyatt@4759
  1213
dewyatt@4759
  1214
static void
dewyatt@4759
  1215
UILess_DisableUIUpdates(SDL_VideoData *videodata)
dewyatt@4759
  1216
{
dewyatt@4759
  1217
    ITfSource *source = 0;
dewyatt@4759
  1218
    if (!videodata->ime_threadmgrex || videodata->ime_uielemsinkcookie == TF_INVALID_COOKIE)
dewyatt@4759
  1219
        return;
dewyatt@4759
  1220
dewyatt@4760
  1221
    if (SUCCEEDED(videodata->ime_threadmgrex->lpVtbl->QueryInterface(videodata->ime_threadmgrex, &IID_ITfSource, (LPVOID *)&source))) {
dewyatt@4759
  1222
        source->lpVtbl->UnadviseSink(source, videodata->ime_uielemsinkcookie);
dewyatt@4759
  1223
        videodata->ime_uielemsinkcookie = TF_INVALID_COOKIE;
dewyatt@4759
  1224
        source->lpVtbl->Release(source);
dewyatt@4759
  1225
    }
dewyatt@4759
  1226
}
dewyatt@4759
  1227
dewyatt@4759
  1228
static SDL_bool
dewyatt@4759
  1229
UILess_SetupSinks(SDL_VideoData *videodata)
dewyatt@4759
  1230
{
dewyatt@4759
  1231
    TfClientId clientid = 0;
dewyatt@4759
  1232
    SDL_bool result = SDL_FALSE;
dewyatt@4759
  1233
    ITfSource *source = 0;
Daniel@4893
  1234
    if (FAILED(CoCreateInstance(&CLSID_TF_ThreadMgr, NULL, CLSCTX_INPROC_SERVER, &IID_ITfThreadMgrEx, (LPVOID *)&videodata->ime_threadmgrex)))
dewyatt@4759
  1235
        return SDL_FALSE;
dewyatt@4759
  1236
dewyatt@4759
  1237
    if (FAILED(videodata->ime_threadmgrex->lpVtbl->ActivateEx(videodata->ime_threadmgrex, &clientid, TF_TMAE_UIELEMENTENABLEDONLY)))
dewyatt@4759
  1238
        return SDL_FALSE;
dewyatt@4759
  1239
dewyatt@4759
  1240
    videodata->ime_uielemsink = SDL_malloc(sizeof(TSFSink));
dewyatt@4759
  1241
    videodata->ime_ippasink = SDL_malloc(sizeof(TSFSink));
dewyatt@4759
  1242
dewyatt@4759
  1243
    videodata->ime_uielemsink->lpVtbl = vtUIElementSink;
dewyatt@4759
  1244
    videodata->ime_uielemsink->refcount = 1;
dewyatt@4759
  1245
    videodata->ime_uielemsink->data = videodata;
dewyatt@4759
  1246
dewyatt@4759
  1247
    videodata->ime_ippasink->lpVtbl = vtIPPASink;
dewyatt@4759
  1248
    videodata->ime_ippasink->refcount = 1;
dewyatt@4759
  1249
    videodata->ime_ippasink->data = videodata;
dewyatt@4759
  1250
dewyatt@4760
  1251
    if (SUCCEEDED(videodata->ime_threadmgrex->lpVtbl->QueryInterface(videodata->ime_threadmgrex, &IID_ITfSource, (LPVOID *)&source))) {
dewyatt@4760
  1252
        if (SUCCEEDED(source->lpVtbl->AdviseSink(source, &IID_ITfUIElementSink, (IUnknown *)videodata->ime_uielemsink, &videodata->ime_uielemsinkcookie))) {
dewyatt@4760
  1253
            if (SUCCEEDED(source->lpVtbl->AdviseSink(source, &IID_ITfInputProcessorProfileActivationSink, (IUnknown *)videodata->ime_ippasink, &videodata->ime_alpnsinkcookie))) {
dewyatt@4759
  1254
                result = SDL_TRUE;
dewyatt@4759
  1255
            }
dewyatt@4759
  1256
        }
dewyatt@4759
  1257
        source->lpVtbl->Release(source);
dewyatt@4759
  1258
    }
dewyatt@4759
  1259
    return result;
dewyatt@4759
  1260
}
dewyatt@4759
  1261
dewyatt@4759
  1262
#define SAFE_RELEASE(p)                             \
dewyatt@4759
  1263
{                                                   \
dewyatt@4759
  1264
    if (p) {                                        \
dewyatt@4759
  1265
        (p)->lpVtbl->Release((p));                  \
dewyatt@4759
  1266
        (p) = 0;                                    \
dewyatt@4759
  1267
    }                                               \
dewyatt@4759
  1268
}
dewyatt@4759
  1269
dewyatt@4759
  1270
static void
dewyatt@4759
  1271
UILess_ReleaseSinks(SDL_VideoData *videodata)
dewyatt@4759
  1272
{
dewyatt@4760
  1273
    ITfSource *source = 0;
Daniel@4893
  1274
    if (videodata->ime_threadmgrex && SUCCEEDED(videodata->ime_threadmgrex->lpVtbl->QueryInterface(videodata->ime_threadmgrex, &IID_ITfSource, (LPVOID *)&source))) {
dewyatt@4760
  1275
        source->lpVtbl->UnadviseSink(source, videodata->ime_uielemsinkcookie);
dewyatt@4760
  1276
        source->lpVtbl->UnadviseSink(source, videodata->ime_alpnsinkcookie);
dewyatt@4760
  1277
        SAFE_RELEASE(source);
dewyatt@4759
  1278
        videodata->ime_threadmgrex->lpVtbl->Deactivate(videodata->ime_threadmgrex);
dewyatt@4759
  1279
        SAFE_RELEASE(videodata->ime_threadmgrex);
dewyatt@4759
  1280
        TSFSink_Release(videodata->ime_uielemsink);
dewyatt@4759
  1281
        videodata->ime_uielemsink = 0;
dewyatt@4759
  1282
        TSFSink_Release(videodata->ime_ippasink);
dewyatt@4759
  1283
        videodata->ime_ippasink = 0;
dewyatt@4759
  1284
    }
dewyatt@4759
  1285
}
dewyatt@4759
  1286
Daniel@4913
  1287
static void *
Daniel@4913
  1288
StartDrawToBitmap(HDC hdc, HBITMAP *hhbm, int width, int height)
Daniel@4913
  1289
{
slouken@5455
  1290
    BITMAPINFO info;
Daniel@4913
  1291
    BITMAPINFOHEADER *infoHeader = &info.bmiHeader;
Daniel@4913
  1292
    BYTE *bits = NULL;
Daniel@4914
  1293
    if (hhbm) {
slouken@5455
  1294
        SDL_zero(info);
Daniel@4913
  1295
        infoHeader->biSize = sizeof(BITMAPINFOHEADER);
Daniel@4913
  1296
        infoHeader->biWidth = width;
Daniel@4913
  1297
        infoHeader->biHeight = -1 * SDL_abs(height);
Daniel@4913
  1298
        infoHeader->biPlanes = 1;
Daniel@4913
  1299
        infoHeader->biBitCount = 32;
Daniel@4913
  1300
        infoHeader->biCompression = BI_RGB;
Daniel@4913
  1301
        *hhbm = CreateDIBSection(hdc, &info, DIB_RGB_COLORS, (void **)&bits, 0, 0);
Daniel@4913
  1302
        if (*hhbm)
Daniel@4913
  1303
            SelectObject(hdc, *hhbm);
Daniel@4913
  1304
    }
Daniel@4913
  1305
    return bits;
Daniel@4913
  1306
}
Daniel@4913
  1307
Daniel@4913
  1308
static void
Daniel@4913
  1309
StopDrawToBitmap(HDC hdc, HBITMAP *hhbm)
Daniel@4913
  1310
{
Daniel@4914
  1311
    if (hhbm && *hhbm) {
Daniel@4913
  1312
        DeleteObject(*hhbm);
Daniel@4913
  1313
        *hhbm = NULL;
Daniel@4913
  1314
    }
Daniel@4913
  1315
}
Daniel@4913
  1316
Daniel@4913
  1317
/* This draws only within the specified area and fills the entire region. */
Daniel@4913
  1318
static void
Daniel@4913
  1319
DrawRect(HDC hdc, int left, int top, int right, int bottom, int pensize)
Daniel@4913
  1320
{
Daniel@4913
  1321
    /* The case of no pen (PenSize = 0) is automatically taken care of. */
Daniel@4913
  1322
    const int penadjust = (int)SDL_floor(pensize / 2.0f - 0.5f);
Daniel@4913
  1323
    left += pensize / 2;
Daniel@4913
  1324
    top += pensize / 2;
Daniel@4913
  1325
    right -= penadjust;
Daniel@4913
  1326
    bottom -= penadjust;
Daniel@4913
  1327
    Rectangle(hdc, left, top, right, bottom);
Daniel@4913
  1328
}
Daniel@4913
  1329
Daniel@4913
  1330
static void
Daniel@4913
  1331
IME_DestroyTextures(SDL_VideoData *videodata)
Daniel@4913
  1332
{
Daniel@4913
  1333
}
Daniel@4913
  1334
Daniel@4913
  1335
#define SDL_swap(a,b) { \
Daniel@4913
  1336
    int c = (a);        \
Daniel@4913
  1337
    (a) = (b);          \
Daniel@4913
  1338
    (b) = c;            \
Daniel@4913
  1339
    }
Daniel@4913
  1340
Daniel@4913
  1341
static void
Daniel@4913
  1342
IME_PositionCandidateList(SDL_VideoData *videodata, SIZE size)
Daniel@4913
  1343
{
Daniel@4913
  1344
    int left, top, right, bottom;
Daniel@4913
  1345
    SDL_bool ok = SDL_FALSE;
Daniel@4913
  1346
    int winw = videodata->ime_winwidth;
Daniel@4913
  1347
    int winh = videodata->ime_winheight;
Daniel@4913
  1348
Daniel@4913
  1349
    /* Bottom */
Daniel@4913
  1350
    left = videodata->ime_rect.x;
Daniel@4913
  1351
    top = videodata->ime_rect.y + videodata->ime_rect.h;
Daniel@4913
  1352
    right = left + size.cx;
Daniel@4913
  1353
    bottom = top + size.cy;
Daniel@4914
  1354
    if (right >= winw) {
Daniel@4913
  1355
        left -= right - winw;
Daniel@4913
  1356
        right = winw;
Daniel@4913
  1357
    }
Daniel@4913
  1358
    if (bottom < winh)
Daniel@4913
  1359
        ok = SDL_TRUE;
Daniel@4913
  1360
Daniel@4913
  1361
    /* Top */
Daniel@4914
  1362
    if (!ok) {
Daniel@4913
  1363
        left = videodata->ime_rect.x;
Daniel@4913
  1364
        top = videodata->ime_rect.y - size.cy;
Daniel@4913
  1365
        right = left + size.cx;
Daniel@4913
  1366
        bottom = videodata->ime_rect.y;
Daniel@4914
  1367
        if (right >= winw) {
Daniel@4913
  1368
            left -= right - winw;
Daniel@4913
  1369
            right = winw;
Daniel@4913
  1370
        }
Daniel@4913
  1371
        if (top >= 0)
Daniel@4913
  1372
            ok = SDL_TRUE;
Daniel@4913
  1373
    }
Daniel@4913
  1374
Daniel@4913
  1375
    /* Right */
Daniel@4914
  1376
    if (!ok) {
Daniel@4913
  1377
        left = videodata->ime_rect.x + size.cx;
Daniel@4913
  1378
        top = 0;
Daniel@4913
  1379
        right = left + size.cx;
Daniel@4913
  1380
        bottom = size.cy;
Daniel@4913
  1381
        if (right < winw)
Daniel@4913
  1382
            ok = SDL_TRUE;
Daniel@4913
  1383
    }
Daniel@4913
  1384
Daniel@4913
  1385
    /* Left */
Daniel@4914
  1386
    if (!ok) {
Daniel@4913
  1387
        left = videodata->ime_rect.x - size.cx;
Daniel@4913
  1388
        top = 0;
Daniel@4913
  1389
        right = videodata->ime_rect.x;
Daniel@4913
  1390
        bottom = size.cy;
Daniel@4913
  1391
        if (right >= 0)
Daniel@4913
  1392
            ok = SDL_TRUE;
Daniel@4913
  1393
    }
Daniel@4913
  1394
Daniel@4913
  1395
    /* Window too small, show at (0,0) */
Daniel@4914
  1396
    if (!ok) {
Daniel@4913
  1397
        left = 0;
Daniel@4913
  1398
        top = 0;
Daniel@4913
  1399
        right = size.cx;
Daniel@4913
  1400
        bottom = size.cy;
Daniel@4913
  1401
    }
Daniel@4913
  1402
Daniel@4913
  1403
    videodata->ime_candlistrect.x = left;
Daniel@4913
  1404
    videodata->ime_candlistrect.y = top;
Daniel@4913
  1405
    videodata->ime_candlistrect.w = right - left;
Daniel@4913
  1406
    videodata->ime_candlistrect.h = bottom - top;
Daniel@4913
  1407
}
Daniel@4913
  1408
Daniel@4913
  1409
static void
Daniel@4913
  1410
IME_RenderCandidateList(SDL_VideoData *videodata, HDC hdc)
Daniel@4913
  1411
{
Daniel@4916
  1412
    int i, j;
Daniel@4913
  1413
    SIZE size = {0};
Daniel@4916
  1414
    SIZE candsizes[MAX_CANDLIST];
Daniel@4913
  1415
    SIZE maxcandsize = {0};
Daniel@4913
  1416
    HBITMAP hbm = NULL;
Daniel@4913
  1417
    const int candcount = SDL_min(SDL_min(MAX_CANDLIST, videodata->ime_candcount), videodata->ime_candpgsize);
Daniel@4913
  1418
    SDL_bool vertical = videodata->ime_candvertical;
Daniel@4913
  1419
Daniel@4913
  1420
    const int listborder = 1;
Daniel@4913
  1421
    const int listpadding = 0;
Daniel@4913
  1422
    const int listbordercolor = RGB(0xB4, 0xC7, 0xAA);
Daniel@4913
  1423
    const int listfillcolor = RGB(255, 255, 255);
Daniel@4913
  1424
Daniel@4913
  1425
    const int candborder = 1;
Daniel@4913
  1426
    const int candpadding = 0;
Daniel@4913
  1427
    const int candmargin = 1;
Daniel@4913
  1428
    const COLORREF candbordercolor = RGB(255, 255, 255);
Daniel@4913
  1429
    const COLORREF candfillcolor = RGB(255, 255, 255);
Daniel@4913
  1430
    const COLORREF candtextcolor = RGB(0, 0, 0);
Daniel@4913
  1431
    const COLORREF selbordercolor = RGB(0x84, 0xAC, 0xDD);
Daniel@4913
  1432
    const COLORREF selfillcolor = RGB(0xD2, 0xE6, 0xFF);
Daniel@4913
  1433
    const COLORREF seltextcolor = RGB(0, 0, 0);
Daniel@4916
  1434
    const int horzcandspacing = 5;
Daniel@4913
  1435
Daniel@4913
  1436
    HPEN listpen = listborder != 0 ? CreatePen(PS_SOLID, listborder, listbordercolor) : (HPEN)GetStockObject(NULL_PEN);
Daniel@4913
  1437
    HBRUSH listbrush = CreateSolidBrush(listfillcolor);
Daniel@4913
  1438
    HPEN candpen = candborder != 0 ? CreatePen(PS_SOLID, candborder, candbordercolor) : (HPEN)GetStockObject(NULL_PEN);
Daniel@4913
  1439
    HBRUSH candbrush = CreateSolidBrush(candfillcolor);
Daniel@4913
  1440
    HPEN selpen = candborder != 0 ? CreatePen(PS_DOT, candborder, selbordercolor) : (HPEN)GetStockObject(NULL_PEN);
Daniel@4913
  1441
    HBRUSH selbrush = CreateSolidBrush(selfillcolor);
Daniel@4913
  1442
    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
  1443
Daniel@4913
  1444
    SetBkMode(hdc, TRANSPARENT);
Daniel@4913
  1445
    SelectObject(hdc, font);
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
        if (!*s)
Daniel@4913
  1450
            break;
Daniel@4913
  1451
slouken@9821
  1452
        GetTextExtentPoint32W(hdc, s, (int)SDL_wcslen(s), &candsizes[i]);
Daniel@4916
  1453
        maxcandsize.cx = SDL_max(maxcandsize.cx, candsizes[i].cx);
Daniel@4916
  1454
        maxcandsize.cy = SDL_max(maxcandsize.cy, candsizes[i].cy);
Daniel@4913
  1455
Daniel@4913
  1456
    }
Daniel@4916
  1457
    if (vertical) {
Daniel@4916
  1458
        size.cx =
Daniel@4916
  1459
            (listborder * 2) +
Daniel@4916
  1460
            (listpadding * 2) +
Daniel@4916
  1461
            (candmargin * 2) +
Daniel@4916
  1462
            (candborder * 2) +
Daniel@4916
  1463
            (candpadding * 2) +
Daniel@4916
  1464
            (maxcandsize.cx)
Daniel@4916
  1465
            ;
Daniel@4916
  1466
        size.cy =
Daniel@4916
  1467
            (listborder * 2) +
Daniel@4916
  1468
            (listpadding * 2) +
Daniel@4916
  1469
            ((candcount + 1) * candmargin) +
Daniel@4916
  1470
            (candcount * candborder * 2) +
Daniel@4916
  1471
            (candcount * candpadding * 2) +
Daniel@4916
  1472
            (candcount * maxcandsize.cy)
Daniel@4916
  1473
            ;
Daniel@4916
  1474
    }
Daniel@4916
  1475
    else {
Daniel@4916
  1476
        size.cx =
Daniel@4916
  1477
            (listborder * 2) +
Daniel@4916
  1478
            (listpadding * 2) +
Daniel@4916
  1479
            ((candcount + 1) * candmargin) +
Daniel@4916
  1480
            (candcount * candborder * 2) +
Daniel@4916
  1481
            (candcount * candpadding * 2) +
Daniel@4916
  1482
            ((candcount - 1) * horzcandspacing);
Daniel@4913
  1483
        ;
Daniel@4916
  1484
Daniel@4916
  1485
        for (i = 0; i < candcount; ++i)
Daniel@4916
  1486
            size.cx += candsizes[i].cx;
Daniel@4916
  1487
Daniel@4916
  1488
        size.cy =
Daniel@4916
  1489
            (listborder * 2) +
Daniel@4916
  1490
            (listpadding * 2) +
Daniel@4916
  1491
            (candmargin * 2) +
Daniel@4916
  1492
            (candborder * 2) +
Daniel@4916
  1493
            (candpadding * 2) +
Daniel@4916
  1494
            (maxcandsize.cy)
Daniel@4916
  1495
            ;
Daniel@4916
  1496
    }
Daniel@4913
  1497
slouken@7225
  1498
    StartDrawToBitmap(hdc, &hbm, size.cx, size.cy);
Daniel@4913
  1499
Daniel@4913
  1500
    SelectObject(hdc, listpen);
Daniel@4913
  1501
    SelectObject(hdc, listbrush);
Daniel@4913
  1502
    DrawRect(hdc, 0, 0, size.cx, size.cy, listborder);
Daniel@4913
  1503
Daniel@4913
  1504
    SelectObject(hdc, candpen);
Daniel@4913
  1505
    SelectObject(hdc, candbrush);
Daniel@4913
  1506
    SetTextColor(hdc, candtextcolor);
Daniel@4913
  1507
    SetBkMode(hdc, TRANSPARENT);
Daniel@4913
  1508
Daniel@4914
  1509
    for (i = 0; i < candcount; ++i) {
Daniel@4913
  1510
        const WCHAR *s = videodata->ime_candidates[i];
Daniel@4913
  1511
        int left, top, right, bottom;
Daniel@4913
  1512
        if (!*s)
Daniel@4913
  1513
            break;
Daniel@4913
  1514
Daniel@4916
  1515
        if (vertical) {
Daniel@4916
  1516
            left = listborder + listpadding + candmargin;
Daniel@4916
  1517
            top = listborder + listpadding + (i * candborder * 2) + (i * candpadding * 2) + ((i + 1) * candmargin) + (i * maxcandsize.cy);
Daniel@4916
  1518
            right = size.cx - listborder - listpadding - candmargin;
Daniel@4916
  1519
            bottom = top + maxcandsize.cy + (candpadding * 2) + (candborder * 2);
Daniel@4916
  1520
        }
Daniel@4916
  1521
        else {
Daniel@4916
  1522
            left = listborder + listpadding + (i * candborder * 2) + (i * candpadding * 2) + ((i + 1) * candmargin) + (i * horzcandspacing);
Daniel@4913
  1523
Daniel@4916
  1524
            for (j = 0; j < i; ++j)
Daniel@4916
  1525
                left += candsizes[j].cx;
Daniel@4913
  1526
Daniel@4916
  1527
            top = listborder + listpadding + candmargin;
Daniel@4916
  1528
            right = left + candsizes[i].cx + (candpadding * 2) + (candborder * 2);
Daniel@4916
  1529
            bottom = size.cy - listborder - listpadding - candmargin;
Daniel@4913
  1530
        }
Daniel@4913
  1531
Daniel@4914
  1532
        if (i == videodata->ime_candsel) {
Daniel@4913
  1533
            SelectObject(hdc, selpen);
Daniel@4913
  1534
            SelectObject(hdc, selbrush);
Daniel@4913
  1535
            SetTextColor(hdc, seltextcolor);
Daniel@4913
  1536
        }
Daniel@4914
  1537
        else {
Daniel@4913
  1538
            SelectObject(hdc, candpen);
Daniel@4913
  1539
            SelectObject(hdc, candbrush);
Daniel@4913
  1540
            SetTextColor(hdc, candtextcolor);
Daniel@4913
  1541
        }
Daniel@4913
  1542
Daniel@4913
  1543
        DrawRect(hdc, left, top, right, bottom, candborder);
slouken@9821
  1544
        ExtTextOutW(hdc, left + candborder + candpadding, top + candborder + candpadding, 0, NULL, s, (int)SDL_wcslen(s), NULL);
Daniel@4913
  1545
    }
Daniel@4913
  1546
    StopDrawToBitmap(hdc, &hbm);
Daniel@4913
  1547
Daniel@4913
  1548
    DeleteObject(listpen);
Daniel@4913
  1549
    DeleteObject(listbrush);
Daniel@4913
  1550
    DeleteObject(candpen);
Daniel@4913
  1551
    DeleteObject(candbrush);
Daniel@4913
  1552
    DeleteObject(selpen);
Daniel@4913
  1553
    DeleteObject(selbrush);
Daniel@4913
  1554
    DeleteObject(font);
Daniel@4913
  1555
Daniel@4913
  1556
    IME_PositionCandidateList(videodata, size);
Daniel@4913
  1557
}
Daniel@4913
  1558
Daniel@4913
  1559
static void
Daniel@4913
  1560
IME_Render(SDL_VideoData *videodata)
Daniel@4913
  1561
{
Daniel@4913
  1562
    HDC hdc = CreateCompatibleDC(NULL);
Daniel@4913
  1563
Daniel@4913
  1564
    if (videodata->ime_candlist)
Daniel@4913
  1565
        IME_RenderCandidateList(videodata, hdc);
Daniel@4913
  1566
Daniel@4913
  1567
    DeleteDC(hdc);
Daniel@4913
  1568
Daniel@4913
  1569
    videodata->ime_dirty = SDL_FALSE;
Daniel@4913
  1570
}
Daniel@4913
  1571
Daniel@4913
  1572
void IME_Present(SDL_VideoData *videodata)
Daniel@4913
  1573
{
Daniel@4913
  1574
    if (videodata->ime_dirty)
Daniel@4913
  1575
        IME_Render(videodata);
Daniel@4913
  1576
slouken@7191
  1577
    /* FIXME: Need to show the IME bitmap */
Daniel@4913
  1578
}
Daniel@4913
  1579
slouken@5086
  1580
#endif /* SDL_DISABLE_WINDOWS_IME */
slouken@5086
  1581
slouken@6044
  1582
#endif /* SDL_VIDEO_DRIVER_WINDOWS */
slouken@6044
  1583
slouken@1895
  1584
/* vi: set ts=4 sw=4 expandtab: */