src/video/windows/SDL_windowskeyboard.c
author Sam Lantinga <slouken@libsdl.org>
Thu, 27 Jan 2011 08:40:06 -0800
changeset 5108 d68e9722ff4d
parent 5090 327f181542f1
child 5154 fb424691cfc7
permissions -rw-r--r--
Fixed bug #1109

Ozkan Sezer 2011-01-26 12:33:42 PST

I got warnings from SDL_windowskeyboard.c when I compiled for win64.
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/*
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    SDL - Simple DirectMedia Layer
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    Copyright (C) 1997-2010 Sam Lantinga
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    This library is free software; you can redistribute it and/or
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    modify it under the terms of the GNU Lesser General Public
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    License as published by the Free Software Foundation; either
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    version 2.1 of the License, or (at your option) any later version.
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    This library is distributed in the hope that it will be useful,
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    but WITHOUT ANY WARRANTY; without even the implied warranty of
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    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
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    Lesser General Public License for more details.
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    You should have received a copy of the GNU Lesser General Public
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    License along with this library; if not, write to the Free Software
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    Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
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    Sam Lantinga
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    slouken@libsdl.org
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*/
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#include "SDL_config.h"
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#ifdef _WIN32_WCE
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#define SDL_DISABLE_WINDOWS_IME
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#endif
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#include "SDL_windowsvideo.h"
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#include "../../events/SDL_keyboard_c.h"
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#include "../../events/scancodes_windows.h"
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#include <imm.h>
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#include <oleauto.h>
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#ifndef SDL_DISABLE_WINDOWS_IME
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static void IME_Init(SDL_VideoData *videodata, HWND hwnd);
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static void IME_Enable(SDL_VideoData *videodata, HWND hwnd);
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static void IME_Disable(SDL_VideoData *videodata, HWND hwnd);
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static void IME_Quit(SDL_VideoData *videodata);
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#endif /* !SDL_DISABLE_WINDOWS_IME */
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#ifndef MAPVK_VK_TO_VSC
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#define MAPVK_VK_TO_VSC     0
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#endif
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#ifndef MAPVK_VSC_TO_VK
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#define MAPVK_VSC_TO_VK     1
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#endif
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#ifndef MAPVK_VK_TO_CHAR
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#define MAPVK_VK_TO_CHAR    2
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#endif
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/* Alphabetic scancodes for PC keyboards */
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BYTE alpha_scancodes[26] = {
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    30, 48, 46, 32, 18, 33, 34, 35, 23, 36, 37, 38, 50, 49, 24,
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    25, 16, 19, 31, 20, 22, 47, 17, 45, 21, 44
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};
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BYTE keypad_scancodes[10] = {
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    82, 79, 80, 81, 75, 76, 77, 71, 72, 73
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};
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void
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WIN_InitKeyboard(_THIS)
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{
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    SDL_VideoData *data = (SDL_VideoData *) _this->driverdata;
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    int i;
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    /* Make sure the alpha scancodes are correct.  T isn't usually remapped */
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    if (MapVirtualKey('T', MAPVK_VK_TO_VSC) != alpha_scancodes['T' - 'A']) {
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#if 0
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        printf
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            ("Fixing alpha scancode map, assuming US QWERTY layout!\nPlease send the following 26 lines of output to the SDL mailing list <sdl@libsdl.org>, including a description of your keyboard hardware.\n");
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#endif
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        for (i = 0; i < SDL_arraysize(alpha_scancodes); ++i) {
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            alpha_scancodes[i] = MapVirtualKey('A' + i, MAPVK_VK_TO_VSC);
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#if 0
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            printf("%d = %d\n", i, alpha_scancodes[i]);
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#endif
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        }
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    }
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    if (MapVirtualKey(VK_NUMPAD0, MAPVK_VK_TO_VSC) != keypad_scancodes[0]) {
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#if 0
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        printf
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            ("Fixing keypad scancode map!\nPlease send the following 10 lines of output to the SDL mailing list <sdl@libsdl.org>, including a description of your keyboard hardware.\n");
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#endif
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        for (i = 0; i < SDL_arraysize(keypad_scancodes); ++i) {
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            keypad_scancodes[i] =
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                MapVirtualKey(VK_NUMPAD0 + i, MAPVK_VK_TO_VSC);
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#if 0
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            printf("%d = %d\n", i, keypad_scancodes[i]);
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#endif
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        }
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    }
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    data->key_layout = windows_scancode_table;
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    data->ime_com_initialized = SDL_FALSE;
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    data->ime_threadmgr = 0;
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    data->ime_initialized = SDL_FALSE;
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    data->ime_enabled = SDL_FALSE;
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    data->ime_available = SDL_FALSE;
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    data->ime_hwnd_main = 0;
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    data->ime_hwnd_current = 0;
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    data->ime_himc = 0;
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    data->ime_composition[0] = 0;
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    data->ime_readingstring[0] = 0;
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    data->ime_cursor = 0;
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    data->ime_candlist = SDL_FALSE;
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    SDL_memset(data->ime_candidates, 0, sizeof(data->ime_candidates));
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    data->ime_candcount = 0;
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    data->ime_candref = 0;
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    data->ime_candsel = 0;
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    data->ime_candpgsize = 0;
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    data->ime_candlistindexbase = 0;
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    data->ime_candvertical = SDL_TRUE;
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    data->ime_candtex = NULL;
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    data->ime_dirty = SDL_FALSE;
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    SDL_memset(&data->ime_rect, 0, sizeof(data->ime_rect));
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    SDL_memset(&data->ime_candlistrect, 0, sizeof(data->ime_candlistrect));
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    data->ime_winwidth = 0;
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    data->ime_winheight = 0;
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    data->ime_hkl = 0;
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    data->ime_himm32 = 0;
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    data->GetReadingString = 0;
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    data->ShowReadingWindow = 0;
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    data->ImmLockIMC = 0;
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    data->ImmUnlockIMC = 0;
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    data->ImmLockIMCC = 0;
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    data->ImmUnlockIMCC = 0;
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    data->ime_uiless = SDL_FALSE;
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    data->ime_threadmgrex = 0;
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    data->ime_uielemsinkcookie = TF_INVALID_COOKIE;
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    data->ime_alpnsinkcookie = TF_INVALID_COOKIE;
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    data->ime_openmodesinkcookie = TF_INVALID_COOKIE;
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    data->ime_convmodesinkcookie = TF_INVALID_COOKIE;
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    data->ime_uielemsink = 0;
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    data->ime_ippasink = 0;
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    WIN_UpdateKeymap();
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    SDL_SetScancodeName(SDL_SCANCODE_APPLICATION, "Menu");
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    SDL_SetScancodeName(SDL_SCANCODE_LGUI, "Left Windows");
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    SDL_SetScancodeName(SDL_SCANCODE_RGUI, "Right Windows");
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}
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void
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WIN_UpdateKeymap()
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{
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    int i;
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    SDL_ScanCode scancode;
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    SDLKey keymap[SDL_NUM_SCANCODES];
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    SDL_GetDefaultKeymap(keymap);
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    for (i = 0; i < SDL_arraysize(windows_scancode_table); i++) {
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        /* Make sure this scancode is a valid character scancode */
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        scancode = windows_scancode_table[i];
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        if (scancode == SDL_SCANCODE_UNKNOWN || keymap[scancode] >= 127) {
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            continue;
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        }
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        /* Alphabetic keys are handled specially, since Windows remaps them */
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        if (i >= 'A' && i <= 'Z') {
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            BYTE vsc = alpha_scancodes[i - 'A'];
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            keymap[scancode] = MapVirtualKey(vsc, MAPVK_VSC_TO_VK) + 0x20;
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        } else {
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            keymap[scancode] = (MapVirtualKey(i, MAPVK_VK_TO_CHAR) & 0x7FFF);
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        }
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    }
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    SDL_SetKeymap(0, keymap, SDL_NUM_SCANCODES);
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}
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void
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WIN_QuitKeyboard(_THIS)
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{
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#ifndef SDL_DISABLE_WINDOWS_IME
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    IME_Quit((SDL_VideoData *)_this->driverdata);
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#endif
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}
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void
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WIN_StartTextInput(_THIS)
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{
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#ifndef SDL_DISABLE_WINDOWS_IME
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    SDL_Window *window = SDL_GetKeyboardFocus();
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    if (window) {
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        HWND hwnd = ((SDL_WindowData *) window->driverdata)->hwnd;
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        SDL_VideoData *videodata = (SDL_VideoData *)_this->driverdata;
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        SDL_GetWindowSize(window, &videodata->ime_winwidth, &videodata->ime_winheight);
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        IME_Init(videodata, hwnd);
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        IME_Enable(videodata, hwnd);
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    }
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#endif /* !SDL_DISABLE_WINDOWS_IME */
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}
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void
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WIN_StopTextInput(_THIS)
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{
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#ifndef SDL_DISABLE_WINDOWS_IME
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    SDL_Window *window = SDL_GetKeyboardFocus();
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    if (window) {
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        HWND hwnd = ((SDL_WindowData *) window->driverdata)->hwnd;
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        SDL_VideoData *videodata = (SDL_VideoData *)_this->driverdata;
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        IME_Init(videodata, hwnd);
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        IME_Disable(videodata, hwnd);
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    }
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#endif /* !SDL_DISABLE_WINDOWS_IME */
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}
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void
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WIN_SetTextInputRect(_THIS, SDL_Rect *rect)
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{
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    SDL_VideoData *videodata = (SDL_VideoData *)_this->driverdata;
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    videodata->ime_rect = *rect;
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}
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#ifdef SDL_DISABLE_WINDOWS_IME
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SDL_bool
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IME_HandleMessage(HWND hwnd, UINT msg, WPARAM wParam, LPARAM *lParam, SDL_VideoData *videodata)
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{
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    return SDL_FALSE;
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}
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void IME_Present(SDL_VideoData *videodata)
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{
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}
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#else
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#ifdef __GNUC__
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#undef DEFINE_GUID
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#define DEFINE_GUID(n,l,w1,w2,b1,b2,b3,b4,b5,b6,b7,b8) static const GUID n = {l,w1,w2,{b1,b2,b3,b4,b5,b6,b7,b8}}
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DEFINE_GUID(IID_ITfInputProcessorProfileActivationSink,        0x71C6E74E,0x0F28,0x11D8,0xA8,0x2A,0x00,0x06,0x5B,0x84,0x43,0x5C);
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DEFINE_GUID(IID_ITfUIElementSink,                              0xEA1EA136,0x19DF,0x11D7,0xA6,0xD2,0x00,0x06,0x5B,0x84,0x43,0x5C);
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DEFINE_GUID(GUID_TFCAT_TIP_KEYBOARD,                           0x34745C63,0xB2F0,0x4784,0x8B,0x67,0x5E,0x12,0xC8,0x70,0x1A,0x31);
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DEFINE_GUID(IID_ITfSource,                                     0x4EA48A35,0x60AE,0x446F,0x8F,0xD6,0xE6,0xA8,0xD8,0x24,0x59,0xF7);
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DEFINE_GUID(IID_ITfUIElementMgr,                               0xEA1EA135,0x19DF,0x11D7,0xA6,0xD2,0x00,0x06,0x5B,0x84,0x43,0x5C);
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DEFINE_GUID(IID_ITfCandidateListUIElement,                     0xEA1EA138,0x19DF,0x11D7,0xA6,0xD2,0x00,0x06,0x5B,0x84,0x43,0x5C);
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DEFINE_GUID(IID_ITfReadingInformationUIElement,                0xEA1EA139,0x19DF,0x11D7,0xA6,0xD2,0x00,0x06,0x5B,0x84,0x43,0x5C);
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DEFINE_GUID(IID_ITfThreadMgr,                                  0xAA80E801,0x2021,0x11D2,0x93,0xE0,0x00,0x60,0xB0,0x67,0xB8,0x6E);
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DEFINE_GUID(CLSID_TF_ThreadMgr,                                0x529A9E6B,0x6587,0x4F23,0xAB,0x9E,0x9C,0x7D,0x68,0x3E,0x3C,0x50);
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DEFINE_GUID(IID_ITfThreadMgrEx,                                0x3E90ADE3,0x7594,0x4CB0,0xBB,0x58,0x69,0x62,0x8F,0x5F,0x45,0x8C);
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#endif
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#define LANG_CHT MAKELANGID(LANG_CHINESE, SUBLANG_CHINESE_TRADITIONAL)
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#define LANG_CHS MAKELANGID(LANG_CHINESE, SUBLANG_CHINESE_SIMPLIFIED)
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#define MAKEIMEVERSION(major,minor) ((DWORD) (((BYTE)(major) << 24) | ((BYTE)(minor) << 16) ))
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#define IMEID_VER(id) ((id) & 0xffff0000)
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#define IMEID_LANG(id) ((id) & 0x0000ffff)
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#define CHT_HKL_DAYI            ((HKL)0xE0060404)
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#define CHT_HKL_NEW_PHONETIC    ((HKL)0xE0080404)
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#define CHT_HKL_NEW_CHANG_JIE   ((HKL)0xE0090404)
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#define CHT_HKL_NEW_QUICK       ((HKL)0xE00A0404)
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#define CHT_HKL_HK_CANTONESE    ((HKL)0xE00B0404)
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#define CHT_IMEFILENAME1        "TINTLGNT.IME"
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#define CHT_IMEFILENAME2        "CINTLGNT.IME"
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#define CHT_IMEFILENAME3        "MSTCIPHA.IME"
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#define IMEID_CHT_VER42         (LANG_CHT | MAKEIMEVERSION(4, 2))
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#define IMEID_CHT_VER43         (LANG_CHT | MAKEIMEVERSION(4, 3))
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#define IMEID_CHT_VER44         (LANG_CHT | MAKEIMEVERSION(4, 4))
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#define IMEID_CHT_VER50         (LANG_CHT | MAKEIMEVERSION(5, 0))
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#define IMEID_CHT_VER51         (LANG_CHT | MAKEIMEVERSION(5, 1))
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#define IMEID_CHT_VER52         (LANG_CHT | MAKEIMEVERSION(5, 2))
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#define IMEID_CHT_VER60         (LANG_CHT | MAKEIMEVERSION(6, 0))
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#define IMEID_CHT_VER_VISTA     (LANG_CHT | MAKEIMEVERSION(7, 0))
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#define CHS_HKL                 ((HKL)0xE00E0804)
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#define CHS_IMEFILENAME1        "PINTLGNT.IME"
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#define CHS_IMEFILENAME2        "MSSCIPYA.IME"
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#define IMEID_CHS_VER41         (LANG_CHS | MAKEIMEVERSION(4, 1))
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#define IMEID_CHS_VER42         (LANG_CHS | MAKEIMEVERSION(4, 2))
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#define IMEID_CHS_VER53         (LANG_CHS | MAKEIMEVERSION(5, 3))
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#define LANG() LOWORD((videodata->ime_hkl))
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#define PRIMLANG() ((WORD)PRIMARYLANGID(LANG()))
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#define SUBLANG() SUBLANGID(LANG())
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   286
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static void IME_UpdateInputLocale(SDL_VideoData *videodata);
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static void IME_ClearComposition(SDL_VideoData *videodata);
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static void IME_SetWindow(SDL_VideoData* videodata, HWND hwnd);
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static void IME_SetupAPI(SDL_VideoData *videodata);
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static DWORD IME_GetId(SDL_VideoData *videodata, UINT uIndex);
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static void IME_SendEditingEvent(SDL_VideoData *videodata);
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   293
static void IME_DestroyTextures(SDL_VideoData *videodata);
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#define SDL_IsEqualIID(riid1, riid2) SDL_IsEqualGUID(riid1, riid2)
dewyatt@4759
   296
#define SDL_IsEqualGUID(rguid1, rguid2) (!SDL_memcmp(rguid1, rguid2, sizeof(GUID)))
dewyatt@4759
   297
dewyatt@4759
   298
static SDL_bool UILess_SetupSinks(SDL_VideoData *videodata);
dewyatt@4759
   299
static void UILess_ReleaseSinks(SDL_VideoData *videodata);
dewyatt@4759
   300
static void UILess_EnableUIUpdates(SDL_VideoData *videodata);
dewyatt@4759
   301
static void UILess_DisableUIUpdates(SDL_VideoData *videodata);
dewyatt@4759
   302
dewyatt@4759
   303
static void
dewyatt@4759
   304
IME_Init(SDL_VideoData *videodata, HWND hwnd)
dewyatt@4752
   305
{
dewyatt@4759
   306
    if (videodata->ime_initialized)
dewyatt@4752
   307
        return;
dewyatt@4752
   308
dewyatt@4759
   309
    videodata->ime_hwnd_main = hwnd;
dewyatt@4759
   310
    if (SUCCEEDED(CoInitializeEx(NULL, COINIT_APARTMENTTHREADED))) {
dewyatt@4759
   311
        videodata->ime_com_initialized = SDL_TRUE;
Daniel@4893
   312
        CoCreateInstance(&CLSID_TF_ThreadMgr, NULL, CLSCTX_INPROC_SERVER, &IID_ITfThreadMgr, (LPVOID *)&videodata->ime_threadmgr);
dewyatt@4759
   313
    }
dewyatt@4759
   314
    videodata->ime_initialized = SDL_TRUE;
slouken@5090
   315
    videodata->ime_himm32 = SDL_LoadObject("imm32.dll");
dewyatt@4759
   316
    if (!videodata->ime_himm32) {
dewyatt@4759
   317
        videodata->ime_available = SDL_FALSE;
dewyatt@4759
   318
        return;
dewyatt@4759
   319
    }
slouken@5090
   320
    videodata->ImmLockIMC = (LPINPUTCONTEXT2 (WINAPI *)(HIMC))SDL_LoadFunction(videodata->ime_himm32, "ImmLockIMC");
slouken@5090
   321
    videodata->ImmUnlockIMC = (BOOL (WINAPI *)(HIMC))SDL_LoadFunction(videodata->ime_himm32, "ImmUnlockIMC");
slouken@5090
   322
    videodata->ImmLockIMCC = (LPVOID (WINAPI *)(HIMCC))SDL_LoadFunction(videodata->ime_himm32, "ImmLockIMCC");
slouken@5090
   323
    videodata->ImmUnlockIMCC = (BOOL (WINAPI *)(HIMCC))SDL_LoadFunction(videodata->ime_himm32, "ImmUnlockIMCC");
dewyatt@4752
   324
dewyatt@4759
   325
    IME_SetWindow(videodata, hwnd);
dewyatt@4759
   326
    videodata->ime_himc = ImmGetContext(hwnd);
dewyatt@4759
   327
    ImmReleaseContext(hwnd, videodata->ime_himc);
dewyatt@4759
   328
    if (!videodata->ime_himc) {
dewyatt@4759
   329
        videodata->ime_available = SDL_FALSE;
dewyatt@4759
   330
        IME_Disable(videodata, hwnd);
dewyatt@4759
   331
        return;
dewyatt@4759
   332
    }
dewyatt@4759
   333
    videodata->ime_available = SDL_TRUE;
dewyatt@4759
   334
    IME_UpdateInputLocale(videodata);
dewyatt@4759
   335
    IME_SetupAPI(videodata);
dewyatt@4759
   336
    videodata->ime_uiless = UILess_SetupSinks(videodata);
dewyatt@4759
   337
    IME_UpdateInputLocale(videodata);
dewyatt@4759
   338
    IME_Disable(videodata, hwnd);
dewyatt@4752
   339
}
dewyatt@4752
   340
dewyatt@4759
   341
static void
dewyatt@4752
   342
IME_Enable(SDL_VideoData *videodata, HWND hwnd)
dewyatt@4752
   343
{
dewyatt@4752
   344
    if (!videodata->ime_initialized || !videodata->ime_hwnd_current)
dewyatt@4752
   345
        return;
dewyatt@4752
   346
dewyatt@4752
   347
    if (!videodata->ime_available) {
dewyatt@4752
   348
        IME_Disable(videodata, hwnd);
dewyatt@4752
   349
        return;
dewyatt@4752
   350
    }
dewyatt@4752
   351
    if (videodata->ime_hwnd_current == videodata->ime_hwnd_main)
dewyatt@4752
   352
        ImmAssociateContext(videodata->ime_hwnd_current, videodata->ime_himc);
dewyatt@4752
   353
dewyatt@4752
   354
    videodata->ime_enabled = SDL_TRUE;
dewyatt@4759
   355
    IME_UpdateInputLocale(videodata);
dewyatt@4759
   356
    UILess_EnableUIUpdates(videodata);
dewyatt@4752
   357
}
dewyatt@4752
   358
dewyatt@4759
   359
static void
dewyatt@4759
   360
IME_Disable(SDL_VideoData *videodata, HWND hwnd)
dewyatt@4752
   361
{
dewyatt@4759
   362
    if (!videodata->ime_initialized || !videodata->ime_hwnd_current)
dewyatt@4752
   363
        return;
dewyatt@4752
   364
dewyatt@4759
   365
    IME_ClearComposition(videodata);
dewyatt@4759
   366
    if (videodata->ime_hwnd_current == videodata->ime_hwnd_main)
Daniel@4893
   367
        ImmAssociateContext(videodata->ime_hwnd_current, (HIMC)0);
dewyatt@4759
   368
dewyatt@4759
   369
    videodata->ime_enabled = SDL_FALSE;
dewyatt@4759
   370
    UILess_DisableUIUpdates(videodata);
dewyatt@4752
   371
}
dewyatt@4752
   372
dewyatt@4759
   373
static void
dewyatt@4752
   374
IME_Quit(SDL_VideoData *videodata)
dewyatt@4752
   375
{
dewyatt@4752
   376
    if (!videodata->ime_initialized)
dewyatt@4752
   377
        return;
dewyatt@4752
   378
dewyatt@4759
   379
    UILess_ReleaseSinks(videodata);
dewyatt@4752
   380
    if (videodata->ime_hwnd_main)
dewyatt@4752
   381
        ImmAssociateContext(videodata->ime_hwnd_main, videodata->ime_himc);
dewyatt@4752
   382
dewyatt@4752
   383
    videodata->ime_hwnd_main = 0;
dewyatt@4752
   384
    videodata->ime_himc = 0;
dewyatt@4760
   385
    if (videodata->ime_himm32) {
slouken@5090
   386
        SDL_UnloadObject(videodata->ime_himm32);
dewyatt@4759
   387
        videodata->ime_himm32 = 0;
dewyatt@4759
   388
    }
dewyatt@4760
   389
    if (videodata->ime_threadmgr) {
dewyatt@4759
   390
        videodata->ime_threadmgr->lpVtbl->Release(videodata->ime_threadmgr);
dewyatt@4759
   391
        videodata->ime_threadmgr = 0;
dewyatt@4752
   392
    }
dewyatt@4760
   393
    if (videodata->ime_com_initialized) {
dewyatt@4752
   394
        CoUninitialize();
dewyatt@4752
   395
        videodata->ime_com_initialized = SDL_FALSE;
dewyatt@4752
   396
    }
Daniel@4913
   397
    IME_DestroyTextures(videodata);
dewyatt@4752
   398
    videodata->ime_initialized = SDL_FALSE;
dewyatt@4752
   399
}
dewyatt@4752
   400
dewyatt@4759
   401
static void
dewyatt@4759
   402
IME_GetReadingString(SDL_VideoData *videodata, HWND hwnd)
dewyatt@4759
   403
{
dewyatt@4759
   404
    DWORD id = 0;
dewyatt@4759
   405
    HIMC himc = 0;
dewyatt@4759
   406
    WCHAR buffer[16];
dewyatt@4759
   407
    WCHAR *s = buffer;
dewyatt@4759
   408
    DWORD len = 0;
Daniel@4893
   409
    INT err = 0;
dewyatt@4759
   410
    BOOL vertical = FALSE;
dewyatt@4759
   411
    UINT maxuilen = 0;
dewyatt@4759
   412
    static OSVERSIONINFOA osversion = {0};
dewyatt@4759
   413
    if (videodata->ime_uiless)
dewyatt@4759
   414
        return;
dewyatt@4759
   415
dewyatt@4759
   416
    videodata->ime_readingstring[0] = 0;
dewyatt@4760
   417
    if (!osversion.dwOSVersionInfoSize) {
dewyatt@4759
   418
        osversion.dwOSVersionInfoSize = sizeof(osversion);
dewyatt@4759
   419
        GetVersionExA(&osversion);
dewyatt@4759
   420
    }
dewyatt@4759
   421
    id = IME_GetId(videodata, 0);
dewyatt@4759
   422
    if (!id)
dewyatt@4759
   423
        return;
dewyatt@4759
   424
dewyatt@4759
   425
    himc = ImmGetContext(hwnd);
dewyatt@4759
   426
    if (!himc)
dewyatt@4759
   427
        return;
dewyatt@4759
   428
dewyatt@4760
   429
    if (videodata->GetReadingString) {
dewyatt@4759
   430
        len = videodata->GetReadingString(himc, 0, 0, &err, &vertical, &maxuilen);
dewyatt@4760
   431
        if (len) {
dewyatt@4759
   432
            if (len > SDL_arraysize(buffer))
dewyatt@4759
   433
                len = SDL_arraysize(buffer);
dewyatt@4759
   434
dewyatt@4759
   435
            len = videodata->GetReadingString(himc, len, s, &err, &vertical, &maxuilen);
dewyatt@4759
   436
        }
dewyatt@4759
   437
        SDL_wcslcpy(videodata->ime_readingstring, s, len);
dewyatt@4759
   438
    }
dewyatt@4760
   439
    else {
dewyatt@4759
   440
        LPINPUTCONTEXT2 lpimc = videodata->ImmLockIMC(himc);
dewyatt@4759
   441
        LPBYTE p = 0;
dewyatt@4759
   442
        s = 0;
dewyatt@4759
   443
        switch (id)
dewyatt@4759
   444
        {
dewyatt@4759
   445
        case IMEID_CHT_VER42:
dewyatt@4759
   446
        case IMEID_CHT_VER43:
dewyatt@4759
   447
        case IMEID_CHT_VER44:
dewyatt@4759
   448
            p = *(LPBYTE *)((LPBYTE)videodata->ImmLockIMCC(lpimc->hPrivate) + 24);
dewyatt@4759
   449
            if (!p)
dewyatt@4759
   450
                break;
dewyatt@4759
   451
dewyatt@4759
   452
            len = *(DWORD *)(p + 7*4 + 32*4);
dewyatt@4759
   453
            s = (WCHAR *)(p + 56);
dewyatt@4759
   454
            break;
dewyatt@4759
   455
        case IMEID_CHT_VER51:
dewyatt@4759
   456
        case IMEID_CHT_VER52:
dewyatt@4759
   457
        case IMEID_CHS_VER53:
dewyatt@4759
   458
            p = *(LPBYTE *)((LPBYTE)videodata->ImmLockIMCC(lpimc->hPrivate) + 4);
dewyatt@4759
   459
            if (!p)
dewyatt@4759
   460
                break;
dewyatt@4759
   461
dewyatt@4759
   462
            p = *(LPBYTE *)((LPBYTE)p + 1*4 + 5*4);
dewyatt@4759
   463
            if (!p)
dewyatt@4759
   464
                break;
dewyatt@4759
   465
dewyatt@4759
   466
            len = *(DWORD *)(p + 1*4 + (16*2+2*4) + 5*4 + 16*2);
dewyatt@4759
   467
            s = (WCHAR *)(p + 1*4 + (16*2+2*4) + 5*4);
dewyatt@4759
   468
            break;
dewyatt@4759
   469
        case IMEID_CHS_VER41:
dewyatt@4759
   470
            {
dewyatt@4759
   471
                int offset = (IME_GetId(videodata, 1) >= 0x00000002) ? 8 : 7;
dewyatt@4759
   472
                p = *(LPBYTE *)((LPBYTE)videodata->ImmLockIMCC(lpimc->hPrivate) + offset * 4);
dewyatt@4759
   473
                if (!p)
dewyatt@4759
   474
                    break;
dewyatt@4759
   475
dewyatt@4759
   476
                len = *(DWORD *)(p + 7*4 + 16*2*4);
dewyatt@4759
   477
                s = (WCHAR *)(p + 6*4 + 16*2*1);
dewyatt@4759
   478
            }
dewyatt@4759
   479
            break;
dewyatt@4759
   480
        case IMEID_CHS_VER42:
dewyatt@4759
   481
            if (osversion.dwPlatformId != VER_PLATFORM_WIN32_NT)
dewyatt@4759
   482
                break;
dewyatt@4759
   483
dewyatt@4759
   484
            p = *(LPBYTE *)((LPBYTE)videodata->ImmLockIMCC(lpimc->hPrivate) + 1*4 + 1*4 + 6*4);
dewyatt@4759
   485
            if (!p)
dewyatt@4759
   486
                break;
dewyatt@4759
   487
dewyatt@4759
   488
            len = *(DWORD *)(p + 1*4 + (16*2+2*4) + 5*4 + 16*2);
dewyatt@4759
   489
            s = (WCHAR *)(p + 1*4 + (16*2+2*4) + 5*4);
dewyatt@4759
   490
            break;
dewyatt@4759
   491
        }
dewyatt@4759
   492
        if (s)
dewyatt@4759
   493
            SDL_wcslcpy(videodata->ime_readingstring, s, len + 1);
dewyatt@4760
   494
dewyatt@4759
   495
        videodata->ImmUnlockIMCC(lpimc->hPrivate);
dewyatt@4759
   496
        videodata->ImmUnlockIMC(himc);
dewyatt@4759
   497
    }
dewyatt@4759
   498
    ImmReleaseContext(hwnd, himc);
dewyatt@4759
   499
    IME_SendEditingEvent(videodata);
dewyatt@4759
   500
}
dewyatt@4759
   501
dewyatt@4759
   502
static void
dewyatt@4759
   503
IME_InputLangChanged(SDL_VideoData *videodata)
dewyatt@4759
   504
{
dewyatt@4760
   505
    UINT lang = PRIMLANG();
dewyatt@4759
   506
    IME_UpdateInputLocale(videodata);
Daniel@4913
   507
    if (!videodata->ime_uiless)
Daniel@4913
   508
        videodata->ime_candlistindexbase = (videodata->ime_hkl == CHT_HKL_DAYI) ? 0 : 1;
Daniel@4913
   509
dewyatt@4759
   510
    IME_SetupAPI(videodata);
dewyatt@4760
   511
    if (lang != PRIMLANG()) {
dewyatt@4759
   512
        IME_ClearComposition(videodata);
dewyatt@4759
   513
    }
dewyatt@4759
   514
}
dewyatt@4759
   515
dewyatt@4759
   516
static DWORD
dewyatt@4759
   517
IME_GetId(SDL_VideoData *videodata, UINT uIndex)
dewyatt@4759
   518
{
dewyatt@4759
   519
    static HKL hklprev = 0;
dewyatt@4759
   520
    static DWORD dwRet[2] = {0};
dewyatt@4759
   521
    DWORD dwVerSize = 0;
dewyatt@4759
   522
    DWORD dwVerHandle = 0;
dewyatt@4759
   523
    LPVOID lpVerBuffer = 0;
dewyatt@4759
   524
    LPVOID lpVerData = 0;
dewyatt@4759
   525
    UINT cbVerData = 0;
dewyatt@4759
   526
    char szTemp[256];
dewyatt@4759
   527
    HKL hkl = 0;
dewyatt@4759
   528
    DWORD dwLang = 0;
dewyatt@4759
   529
    if (uIndex >= sizeof(dwRet) / sizeof(dwRet[0]))
dewyatt@4759
   530
        return 0;
dewyatt@4759
   531
dewyatt@4759
   532
    hkl = videodata->ime_hkl;
dewyatt@4759
   533
    if (hklprev == hkl)
dewyatt@4759
   534
        return dwRet[uIndex];
dewyatt@4759
   535
dewyatt@4759
   536
    hklprev = hkl;
slouken@5108
   537
    dwLang = ((DWORD_PTR)hkl & 0xffff);
dewyatt@4760
   538
    if (videodata->ime_uiless && LANG() == LANG_CHT) {
dewyatt@4759
   539
        dwRet[0] = IMEID_CHT_VER_VISTA;
dewyatt@4759
   540
        dwRet[1] = 0;
dewyatt@4759
   541
        return dwRet[0];
dewyatt@4759
   542
    }
dewyatt@4759
   543
    if (hkl != CHT_HKL_NEW_PHONETIC
dewyatt@4759
   544
        && hkl != CHT_HKL_NEW_CHANG_JIE
dewyatt@4759
   545
        && hkl != CHT_HKL_NEW_QUICK
dewyatt@4759
   546
        && hkl != CHT_HKL_HK_CANTONESE
dewyatt@4760
   547
        && hkl != CHS_HKL) {
dewyatt@4759
   548
        dwRet[0] = dwRet[1] = 0;
dewyatt@4759
   549
        return dwRet[uIndex];
dewyatt@4759
   550
    }
dewyatt@4760
   551
    if (ImmGetIMEFileNameA(hkl, szTemp, sizeof(szTemp) - 1) <= 0) {
dewyatt@4759
   552
        dwRet[0] = dwRet[1] = 0;
dewyatt@4759
   553
        return dwRet[uIndex];
dewyatt@4759
   554
    }
dewyatt@4760
   555
    if (!videodata->GetReadingString) {
dewyatt@4759
   556
        #define LCID_INVARIANT MAKELCID(MAKELANGID(LANG_ENGLISH, SUBLANG_ENGLISH_US), SORT_DEFAULT)
dewyatt@4759
   557
        if (CompareStringA(LCID_INVARIANT, NORM_IGNORECASE, szTemp, -1, CHT_IMEFILENAME1, -1) != 2
dewyatt@4759
   558
            && CompareStringA(LCID_INVARIANT, NORM_IGNORECASE, szTemp, -1, CHT_IMEFILENAME2, -1) != 2
dewyatt@4759
   559
            && CompareStringA(LCID_INVARIANT, NORM_IGNORECASE, szTemp, -1, CHT_IMEFILENAME3, -1) != 2
dewyatt@4759
   560
            && CompareStringA(LCID_INVARIANT, NORM_IGNORECASE, szTemp, -1, CHS_IMEFILENAME1, -1) != 2
dewyatt@4760
   561
            && CompareStringA(LCID_INVARIANT, NORM_IGNORECASE, szTemp, -1, CHS_IMEFILENAME2, -1) != 2) {
dewyatt@4759
   562
            dwRet[0] = dwRet[1] = 0;
dewyatt@4759
   563
            return dwRet[uIndex];
dewyatt@4759
   564
        }
dewyatt@4759
   565
        #undef LCID_INVARIANT
dewyatt@4759
   566
        dwVerSize = GetFileVersionInfoSizeA(szTemp, &dwVerHandle);
dewyatt@4760
   567
        if (dwVerSize) {
dewyatt@4759
   568
            lpVerBuffer = SDL_malloc(dwVerSize);
dewyatt@4760
   569
            if (lpVerBuffer) {
dewyatt@4760
   570
                if (GetFileVersionInfoA(szTemp, dwVerHandle, dwVerSize, lpVerBuffer)) {
dewyatt@4760
   571
                    if (VerQueryValueA(lpVerBuffer, "\\", &lpVerData, &cbVerData)) {
dewyatt@4759
   572
                        #define pVerFixedInfo   ((VS_FIXEDFILEINFO FAR*)lpVerData)
dewyatt@4759
   573
                        DWORD dwVer = pVerFixedInfo->dwFileVersionMS;
dewyatt@4759
   574
                        dwVer = (dwVer & 0x00ff0000) << 8 | (dwVer & 0x000000ff) << 16;
dewyatt@4759
   575
                        if (videodata->GetReadingString ||
dewyatt@4759
   576
                            dwLang == LANG_CHT && (
dewyatt@4759
   577
                            dwVer == MAKEIMEVERSION(4, 2) ||
dewyatt@4759
   578
                            dwVer == MAKEIMEVERSION(4, 3) ||
dewyatt@4759
   579
                            dwVer == MAKEIMEVERSION(4, 4) ||
dewyatt@4759
   580
                            dwVer == MAKEIMEVERSION(5, 0) ||
dewyatt@4759
   581
                            dwVer == MAKEIMEVERSION(5, 1) ||
dewyatt@4759
   582
                            dwVer == MAKEIMEVERSION(5, 2) ||
dewyatt@4759
   583
                            dwVer == MAKEIMEVERSION(6, 0))
dewyatt@4759
   584
                            ||
dewyatt@4759
   585
                            dwLang == LANG_CHS && (
dewyatt@4759
   586
                            dwVer == MAKEIMEVERSION(4, 1) ||
dewyatt@4759
   587
                            dwVer == MAKEIMEVERSION(4, 2) ||
dewyatt@4760
   588
                            dwVer == MAKEIMEVERSION(5, 3))) {
dewyatt@4759
   589
                            dwRet[0] = dwVer | dwLang;
dewyatt@4759
   590
                            dwRet[1] = pVerFixedInfo->dwFileVersionLS;
dewyatt@4759
   591
                            SDL_free(lpVerBuffer);
dewyatt@4759
   592
                            return dwRet[0];
dewyatt@4759
   593
                        }
dewyatt@4759
   594
                        #undef pVerFixedInfo
dewyatt@4759
   595
                    }
dewyatt@4759
   596
                }
dewyatt@4759
   597
            }
dewyatt@4759
   598
            SDL_free(lpVerBuffer);
dewyatt@4759
   599
        }
dewyatt@4759
   600
    }
dewyatt@4759
   601
    dwRet[0] = dwRet[1] = 0;
dewyatt@4759
   602
    return dwRet[uIndex];
dewyatt@4759
   603
}
dewyatt@4759
   604
dewyatt@4759
   605
static void
dewyatt@4759
   606
IME_SetupAPI(SDL_VideoData *videodata)
dewyatt@4759
   607
{
dewyatt@4759
   608
    char ime_file[MAX_PATH + 1];
slouken@5090
   609
    void* hime = 0;
dewyatt@4759
   610
    HKL hkl = 0;
dewyatt@4759
   611
    videodata->GetReadingString = 0;
dewyatt@4759
   612
    videodata->ShowReadingWindow = 0;
dewyatt@4759
   613
    if (videodata->ime_uiless)
dewyatt@4759
   614
        return;
dewyatt@4759
   615
dewyatt@4759
   616
    hkl = videodata->ime_hkl;
dewyatt@4759
   617
    if (ImmGetIMEFileNameA(hkl, ime_file, sizeof(ime_file) - 1) <= 0)
dewyatt@4759
   618
        return;
dewyatt@4759
   619
slouken@5090
   620
    hime = SDL_LoadObject(ime_file);
dewyatt@4759
   621
    if (!hime)
dewyatt@4759
   622
        return;
dewyatt@4759
   623
dewyatt@4759
   624
    videodata->GetReadingString = (UINT (WINAPI *)(HIMC, UINT, LPWSTR, PINT, BOOL*, PUINT))
slouken@5090
   625
        SDL_LoadFunction(hime, "GetReadingString");
dewyatt@4759
   626
    videodata->ShowReadingWindow = (BOOL (WINAPI *)(HIMC, BOOL))
slouken@5090
   627
        SDL_LoadFunction(hime, "ShowReadingWindow");
dewyatt@4759
   628
dewyatt@4760
   629
    if (videodata->ShowReadingWindow) {
dewyatt@4759
   630
        HIMC himc = ImmGetContext(videodata->ime_hwnd_current);
dewyatt@4760
   631
        if (himc) {
dewyatt@4759
   632
            videodata->ShowReadingWindow(himc, FALSE);
dewyatt@4759
   633
            ImmReleaseContext(videodata->ime_hwnd_current, himc);
dewyatt@4759
   634
        }
dewyatt@4759
   635
    }
dewyatt@4759
   636
}
dewyatt@4759
   637
dewyatt@4759
   638
static void
dewyatt@4759
   639
IME_SetWindow(SDL_VideoData* videodata, HWND hwnd)
dewyatt@4759
   640
{
dewyatt@4759
   641
    videodata->ime_hwnd_current = hwnd;
dewyatt@4759
   642
    if (videodata->ime_threadmgr) {
dewyatt@4759
   643
        struct ITfDocumentMgr *document_mgr = 0;
dewyatt@4759
   644
        if (SUCCEEDED(videodata->ime_threadmgr->lpVtbl->AssociateFocus(videodata->ime_threadmgr, hwnd, NULL, &document_mgr))) {
dewyatt@4759
   645
            if (document_mgr)
dewyatt@4759
   646
                document_mgr->lpVtbl->Release(document_mgr);
dewyatt@4759
   647
        }
dewyatt@4759
   648
    }
dewyatt@4759
   649
}
dewyatt@4759
   650
dewyatt@4759
   651
static void
dewyatt@4759
   652
IME_UpdateInputLocale(SDL_VideoData *videodata)
dewyatt@4759
   653
{
dewyatt@4760
   654
    static HKL hklprev = 0;
dewyatt@4759
   655
    videodata->ime_hkl = GetKeyboardLayout(0);
dewyatt@4760
   656
    if (hklprev == videodata->ime_hkl)
dewyatt@4759
   657
        return;
dewyatt@4759
   658
dewyatt@4760
   659
    hklprev = videodata->ime_hkl;
Daniel@4914
   660
    switch (PRIMLANG()) {
Daniel@4913
   661
    case LANG_CHINESE:
Daniel@4913
   662
        videodata->ime_candvertical = SDL_TRUE;
Daniel@4913
   663
        if (SUBLANG() == SUBLANG_CHINESE_SIMPLIFIED)
Daniel@4913
   664
            videodata->ime_candvertical = SDL_FALSE;
Daniel@4913
   665
Daniel@4913
   666
        break;
Daniel@4913
   667
    case LANG_JAPANESE:
Daniel@4913
   668
        videodata->ime_candvertical = SDL_TRUE;
Daniel@4913
   669
        break;
Daniel@4913
   670
    case LANG_KOREAN:
Daniel@4913
   671
        videodata->ime_candvertical = SDL_FALSE;
Daniel@4913
   672
        break;
Daniel@4913
   673
    }
dewyatt@4759
   674
}
dewyatt@4759
   675
dewyatt@4759
   676
static void
dewyatt@4759
   677
IME_ClearComposition(SDL_VideoData *videodata)
dewyatt@4759
   678
{
dewyatt@4759
   679
    HIMC himc = 0;
dewyatt@4759
   680
    if (!videodata->ime_initialized)
dewyatt@4759
   681
        return;
dewyatt@4759
   682
dewyatt@4759
   683
    himc = ImmGetContext(videodata->ime_hwnd_current);
dewyatt@4759
   684
    if (!himc)
dewyatt@4759
   685
        return;
dewyatt@4759
   686
dewyatt@4759
   687
    ImmNotifyIME(himc, NI_COMPOSITIONSTR, CPS_CANCEL, 0);
dewyatt@4759
   688
    if (videodata->ime_uiless)
dewyatt@4759
   689
        ImmSetCompositionString(himc, SCS_SETSTR, TEXT(""), sizeof(TCHAR), TEXT(""), sizeof(TCHAR));
dewyatt@4759
   690
dewyatt@4759
   691
    ImmNotifyIME(himc, NI_CLOSECANDIDATE, 0, 0);
dewyatt@4759
   692
    ImmReleaseContext(videodata->ime_hwnd_current, himc);
dewyatt@4759
   693
    SDL_SendEditingText("", 0, 0);
dewyatt@4759
   694
}
dewyatt@4759
   695
dewyatt@4759
   696
static void
dewyatt@4759
   697
IME_GetCompositionString(SDL_VideoData *videodata, HIMC himc, DWORD string)
dewyatt@4759
   698
{
dewyatt@4760
   699
    LONG length = ImmGetCompositionStringW(himc, string, videodata->ime_composition, sizeof(videodata->ime_composition));
dewyatt@4760
   700
    if (length < 0)
dewyatt@4760
   701
        length = 0;
dewyatt@4759
   702
dewyatt@4760
   703
    length /= sizeof(videodata->ime_composition[0]);
dewyatt@4759
   704
    videodata->ime_cursor = LOWORD(ImmGetCompositionStringW(himc, GCS_CURSORPOS, 0, 0));
dewyatt@4760
   705
    if (videodata->ime_composition[videodata->ime_cursor] == 0x3000) {
dewyatt@4759
   706
        int i;
dewyatt@4760
   707
        for (i = videodata->ime_cursor + 1; i < length; ++i)
dewyatt@4759
   708
            videodata->ime_composition[i - 1] = videodata->ime_composition[i];
dewyatt@4759
   709
dewyatt@4760
   710
        --length;
dewyatt@4759
   711
    }
dewyatt@4760
   712
    videodata->ime_composition[length] = 0;
dewyatt@4759
   713
}
dewyatt@4759
   714
dewyatt@4759
   715
static void
dewyatt@4759
   716
IME_SendInputEvent(SDL_VideoData *videodata)
dewyatt@4759
   717
{
dewyatt@4759
   718
    char *s = 0;
dewyatt@4759
   719
    s = WIN_StringToUTF8(videodata->ime_composition);
dewyatt@4759
   720
    SDL_SendKeyboardText(s);
dewyatt@4759
   721
    SDL_free(s);
dewyatt@4759
   722
dewyatt@4759
   723
    videodata->ime_composition[0] = 0;
dewyatt@4759
   724
    videodata->ime_readingstring[0] = 0;
dewyatt@4759
   725
    videodata->ime_cursor = 0;
dewyatt@4759
   726
}
dewyatt@4759
   727
dewyatt@4759
   728
static void
dewyatt@4759
   729
IME_SendEditingEvent(SDL_VideoData *videodata)
dewyatt@4759
   730
{
dewyatt@4759
   731
    char *s = 0;
dewyatt@4760
   732
    WCHAR buffer[SDL_TEXTEDITINGEVENT_TEXT_SIZE];
dewyatt@4760
   733
    buffer[0] = 0;
dewyatt@4760
   734
    if (videodata->ime_readingstring[0]) {
dewyatt@4759
   735
        size_t len = SDL_min(SDL_wcslen(videodata->ime_composition), (size_t)videodata->ime_cursor);
dewyatt@4760
   736
        SDL_wcslcpy(buffer, videodata->ime_composition, len + 1);
dewyatt@4760
   737
        SDL_wcslcat(buffer, videodata->ime_readingstring, sizeof(buffer));
dewyatt@4760
   738
        SDL_wcslcat(buffer, &videodata->ime_composition[len], sizeof(buffer) - len);
dewyatt@4759
   739
    }
dewyatt@4760
   740
    else {
dewyatt@4760
   741
        SDL_wcslcpy(buffer, videodata->ime_composition, sizeof(videodata->ime_composition));
dewyatt@4759
   742
    }
dewyatt@4760
   743
    s = WIN_StringToUTF8(buffer);
dewyatt@4759
   744
    SDL_SendEditingText(s, videodata->ime_cursor + SDL_wcslen(videodata->ime_readingstring), 0);
dewyatt@4759
   745
    SDL_free(s);
dewyatt@4759
   746
}
dewyatt@4759
   747
Daniel@4913
   748
static void
Daniel@4913
   749
IME_AddCandidate(SDL_VideoData *videodata, UINT i, LPCWSTR candidate)
Daniel@4913
   750
{
Daniel@4913
   751
    LPWSTR dst = videodata->ime_candidates[i];
Daniel@4913
   752
    *dst++ = (WCHAR)(TEXT('0') + ((i + videodata->ime_candlistindexbase) % 10));
Daniel@4913
   753
    if (videodata->ime_candvertical)
Daniel@4913
   754
        *dst++ = TEXT(' ');
Daniel@4913
   755
Daniel@4913
   756
    while (*candidate && (SDL_arraysize(videodata->ime_candidates[i]) > (dst - videodata->ime_candidates[i])))
Daniel@4913
   757
        *dst++ = *candidate++;
Daniel@4913
   758
Daniel@4913
   759
    *dst = (WCHAR)'\0';
Daniel@4913
   760
}
Daniel@4913
   761
Daniel@4913
   762
static void
Daniel@4913
   763
IME_GetCandidateList(HIMC himc, SDL_VideoData *videodata)
Daniel@4913
   764
{
Daniel@4913
   765
    LPCANDIDATELIST cand_list = 0;
Daniel@4913
   766
    DWORD size = ImmGetCandidateListW(himc, 0, 0, 0);
Daniel@4914
   767
    if (size) {
Daniel@4913
   768
        cand_list = (LPCANDIDATELIST)SDL_malloc(size);
Daniel@4914
   769
        if (cand_list) {
Daniel@4913
   770
            size = ImmGetCandidateListW(himc, 0, cand_list, size);
Daniel@4914
   771
            if (size) {
Daniel@4913
   772
                int i = 0;
Daniel@4913
   773
                int j = 0;
Daniel@4913
   774
                int page_start = 0;
Daniel@4913
   775
                videodata->ime_candsel = cand_list->dwSelection;
Daniel@4913
   776
                videodata->ime_candcount = cand_list->dwCount;
Daniel@4913
   777
Daniel@4914
   778
                if (LANG() == LANG_CHS && IME_GetId(videodata, 0)) {
Daniel@4913
   779
                    const UINT maxcandchar = 18;
Daniel@4913
   780
                    UINT i = 0;
Daniel@4913
   781
                    UINT cchars = 0;
Daniel@4913
   782
Daniel@4914
   783
                    for (; i < videodata->ime_candcount; ++i) {
slouken@5108
   784
                        UINT len = SDL_wcslen((LPWSTR)((DWORD_PTR)cand_list + cand_list->dwOffset[i])) + 1;
Daniel@4914
   785
                        if (len + cchars > maxcandchar) {
Daniel@4913
   786
                            if (i > cand_list->dwSelection)
Daniel@4913
   787
                                break;
Daniel@4913
   788
Daniel@4913
   789
                            page_start = i;
Daniel@4913
   790
                            cchars = len;
Daniel@4913
   791
                        }
Daniel@4914
   792
                        else {
Daniel@4913
   793
                            cchars += len;
Daniel@4913
   794
                        }
Daniel@4913
   795
                    }
Daniel@4913
   796
                    videodata->ime_candpgsize = i - page_start;
Daniel@4913
   797
                }
Daniel@4914
   798
                else {
Daniel@4913
   799
                    videodata->ime_candpgsize = SDL_min(cand_list->dwPageSize, MAX_CANDLIST);
Daniel@4913
   800
                    page_start = (cand_list->dwSelection / videodata->ime_candpgsize) * videodata->ime_candpgsize;
Daniel@4913
   801
                }
Daniel@4913
   802
                SDL_memset(&videodata->ime_candidates, 0, sizeof(videodata->ime_candidates));
Daniel@4914
   803
                for (i = page_start, j = 0; (DWORD)i < cand_list->dwCount && j < (int)videodata->ime_candpgsize; i++, j++) {
slouken@5108
   804
                    LPCWSTR candidate = (LPCWSTR)((DWORD_PTR)cand_list + cand_list->dwOffset[i]);
Daniel@4913
   805
                    IME_AddCandidate(videodata, j, candidate);
Daniel@4913
   806
                }
Daniel@4913
   807
                if (PRIMLANG() == LANG_KOREAN || (PRIMLANG() == LANG_CHT && !IME_GetId(videodata, 0)))
Daniel@4913
   808
                    videodata->ime_candsel = -1;
Daniel@4913
   809
Daniel@4913
   810
            }
Daniel@4913
   811
            SDL_free(cand_list);
Daniel@4913
   812
        }
Daniel@4913
   813
    }
Daniel@4913
   814
}
Daniel@4913
   815
Daniel@4913
   816
static void
Daniel@4913
   817
IME_ShowCandidateList(SDL_VideoData *videodata)
Daniel@4913
   818
{
Daniel@4913
   819
    videodata->ime_dirty = SDL_TRUE;
Daniel@4913
   820
    videodata->ime_candlist = SDL_TRUE;
Daniel@4913
   821
    IME_DestroyTextures(videodata);
Daniel@4913
   822
    IME_SendEditingEvent(videodata);
Daniel@4913
   823
}
Daniel@4913
   824
Daniel@4913
   825
static void
Daniel@4913
   826
IME_HideCandidateList(SDL_VideoData *videodata)
Daniel@4913
   827
{
Daniel@4913
   828
    videodata->ime_dirty = SDL_FALSE;
Daniel@4913
   829
    videodata->ime_candlist = SDL_FALSE;
Daniel@4913
   830
    IME_DestroyTextures(videodata);
Daniel@4913
   831
    IME_SendEditingEvent(videodata);
Daniel@4913
   832
}
Daniel@4913
   833
dewyatt@4752
   834
SDL_bool
dewyatt@4752
   835
IME_HandleMessage(HWND hwnd, UINT msg, WPARAM wParam, LPARAM *lParam, SDL_VideoData *videodata)
dewyatt@4752
   836
{
dewyatt@4752
   837
    SDL_bool trap = SDL_FALSE;
dewyatt@4752
   838
    HIMC himc = 0;
dewyatt@4752
   839
    if (!videodata->ime_initialized || !videodata->ime_available || !videodata->ime_enabled)
dewyatt@4752
   840
        return SDL_FALSE;
dewyatt@4752
   841
Daniel@4914
   842
    switch (msg) {
dewyatt@4752
   843
    case WM_INPUTLANGCHANGE:
Daniel@4913
   844
        IME_InputLangChanged(videodata);
dewyatt@4752
   845
        break;
dewyatt@4752
   846
    case WM_IME_SETCONTEXT:
dewyatt@4752
   847
        *lParam = 0;
dewyatt@4752
   848
        break;
dewyatt@4752
   849
    case WM_IME_STARTCOMPOSITION:
dewyatt@4752
   850
        trap = SDL_TRUE;
dewyatt@4752
   851
        break;
dewyatt@4752
   852
    case WM_IME_COMPOSITION:
dewyatt@4752
   853
        trap = SDL_TRUE;
dewyatt@4752
   854
        himc = ImmGetContext(hwnd);
dewyatt@4760
   855
        if (*lParam & GCS_RESULTSTR) {
dewyatt@4759
   856
            IME_GetCompositionString(videodata, himc, GCS_RESULTSTR);
dewyatt@4759
   857
            IME_SendInputEvent(videodata);
dewyatt@4752
   858
        }
dewyatt@4760
   859
        if (*lParam & GCS_COMPSTR) {
dewyatt@4759
   860
            if (!videodata->ime_uiless)
dewyatt@4759
   861
                videodata->ime_readingstring[0] = 0;
dewyatt@4759
   862
dewyatt@4759
   863
            IME_GetCompositionString(videodata, himc, GCS_COMPSTR);
dewyatt@4759
   864
            IME_SendEditingEvent(videodata);
dewyatt@4752
   865
        }
dewyatt@4752
   866
        ImmReleaseContext(hwnd, himc);
dewyatt@4752
   867
        break;
dewyatt@4752
   868
    case WM_IME_ENDCOMPOSITION:
dewyatt@4759
   869
        videodata->ime_composition[0] = 0;
dewyatt@4759
   870
        videodata->ime_readingstring[0] = 0;
dewyatt@4759
   871
        videodata->ime_cursor = 0;
dewyatt@4759
   872
        SDL_SendEditingText("", 0, 0);
dewyatt@4752
   873
        break;
dewyatt@4752
   874
    case WM_IME_NOTIFY:
Daniel@4914
   875
        switch (wParam) {
dewyatt@4752
   876
        case IMN_SETCONVERSIONMODE:
dewyatt@4752
   877
        case IMN_SETOPENSTATUS:
dewyatt@4759
   878
            IME_UpdateInputLocale(videodata);
dewyatt@4752
   879
            break;
dewyatt@4752
   880
        case IMN_OPENCANDIDATE:
dewyatt@4752
   881
        case IMN_CHANGECANDIDATE:
Daniel@4913
   882
            if (videodata->ime_uiless)
Daniel@4913
   883
                break;
Daniel@4913
   884
dewyatt@4752
   885
            trap = SDL_TRUE;
Daniel@4913
   886
            IME_ShowCandidateList(videodata);
Daniel@4913
   887
            himc = ImmGetContext(hwnd);
Daniel@4913
   888
            if (!himc)
Daniel@4913
   889
                break;
Daniel@4913
   890
Daniel@4913
   891
            IME_GetCandidateList(himc, videodata);
Daniel@4913
   892
            ImmReleaseContext(hwnd, himc);
dewyatt@4752
   893
            break;
dewyatt@4752
   894
        case IMN_CLOSECANDIDATE:
dewyatt@4752
   895
            trap = SDL_TRUE;
Daniel@4913
   896
            IME_HideCandidateList(videodata);
dewyatt@4752
   897
            break;
dewyatt@4752
   898
        case IMN_PRIVATE:
dewyatt@4759
   899
            {
dewyatt@4759
   900
                DWORD dwId = IME_GetId(videodata, 0);
dewyatt@4759
   901
                IME_GetReadingString(videodata, hwnd);
dewyatt@4759
   902
                switch (dwId)
dewyatt@4759
   903
                {
dewyatt@4759
   904
                case IMEID_CHT_VER42:
dewyatt@4759
   905
                case IMEID_CHT_VER43:
dewyatt@4759
   906
                case IMEID_CHT_VER44:
dewyatt@4759
   907
                case IMEID_CHS_VER41:
dewyatt@4759
   908
                case IMEID_CHS_VER42:
dewyatt@4759
   909
                    if (*lParam == 1 || *lParam == 2)
dewyatt@4759
   910
                        trap = SDL_TRUE;
dewyatt@4759
   911
dewyatt@4759
   912
                    break;
dewyatt@4759
   913
                case IMEID_CHT_VER50:
dewyatt@4759
   914
                case IMEID_CHT_VER51:
dewyatt@4759
   915
                case IMEID_CHT_VER52:
dewyatt@4759
   916
                case IMEID_CHT_VER60:
dewyatt@4759
   917
                case IMEID_CHS_VER53:
dewyatt@4759
   918
                    if (*lParam == 16
dewyatt@4759
   919
                        || *lParam == 17
dewyatt@4759
   920
                        || *lParam == 26
dewyatt@4759
   921
                        || *lParam == 27
dewyatt@4759
   922
                        || *lParam == 28)
dewyatt@4759
   923
                        trap = SDL_TRUE;
dewyatt@4759
   924
                    break;
dewyatt@4759
   925
                }
dewyatt@4759
   926
            }
dewyatt@4752
   927
            break;
dewyatt@4752
   928
        default:
dewyatt@4752
   929
            trap = SDL_TRUE;
dewyatt@4752
   930
            break;
dewyatt@4752
   931
        }
dewyatt@4752
   932
        break;
dewyatt@4752
   933
    }
dewyatt@4752
   934
    return trap;
dewyatt@4752
   935
}
dewyatt@4752
   936
Daniel@4913
   937
static void
Daniel@4913
   938
IME_CloseCandidateList(SDL_VideoData *videodata)
Daniel@4913
   939
{
Daniel@4913
   940
    IME_HideCandidateList(videodata);
Daniel@4913
   941
    videodata->ime_candcount = 0;
Daniel@4913
   942
    SDL_memset(videodata->ime_candidates, 0, sizeof(videodata->ime_candidates));
Daniel@4913
   943
}
Daniel@4913
   944
Daniel@4913
   945
static void
Daniel@4913
   946
UILess_GetCandidateList(SDL_VideoData *videodata, ITfCandidateListUIElement *pcandlist)
Daniel@4913
   947
{
Daniel@4913
   948
    UINT selection = 0;
Daniel@4913
   949
    UINT count = 0;
Daniel@4913
   950
    UINT page = 0;
Daniel@4913
   951
    UINT pgcount = 0;
Daniel@4913
   952
    DWORD pgstart = 0;
Daniel@4913
   953
    DWORD pgsize = 0;
Daniel@4913
   954
    UINT i, j;
Daniel@4913
   955
    pcandlist->lpVtbl->GetSelection(pcandlist, &selection);
Daniel@4913
   956
    pcandlist->lpVtbl->GetCount(pcandlist, &count);
Daniel@4913
   957
    pcandlist->lpVtbl->GetCurrentPage(pcandlist, &page);
Daniel@4913
   958
Daniel@4913
   959
    videodata->ime_candsel = selection;
Daniel@4913
   960
    videodata->ime_candcount = count;
Daniel@4913
   961
    IME_ShowCandidateList(videodata);
Daniel@4913
   962
Daniel@4913
   963
    pcandlist->lpVtbl->GetPageIndex(pcandlist, 0, 0, &pgcount);
Daniel@4914
   964
    if (pgcount > 0) {
Daniel@4913
   965
        UINT *idxlist = SDL_malloc(sizeof(UINT) * pgcount);
Daniel@4914
   966
        if (idxlist) {
Daniel@4913
   967
            pcandlist->lpVtbl->GetPageIndex(pcandlist, idxlist, pgcount, &pgcount);
Daniel@4913
   968
            pgstart = idxlist[page];
Daniel@4913
   969
            if (page < pgcount - 1)
Daniel@4913
   970
                pgsize = SDL_min(count, idxlist[page + 1]) - pgstart;
Daniel@4913
   971
            else
Daniel@4913
   972
                pgsize = count - pgstart;
Daniel@4913
   973
Daniel@4913
   974
            SDL_free(idxlist);
Daniel@4913
   975
        }
Daniel@4913
   976
    }
Daniel@4913
   977
    videodata->ime_candpgsize = SDL_min(pgsize, MAX_CANDLIST);
Daniel@4913
   978
    videodata->ime_candsel = videodata->ime_candsel - pgstart;
Daniel@4913
   979
Daniel@4913
   980
    SDL_memset(videodata->ime_candidates, 0, sizeof(videodata->ime_candidates));
Daniel@4914
   981
    for (i = pgstart, j = 0; (DWORD)i < count && j < videodata->ime_candpgsize; i++, j++) {
Daniel@4913
   982
        BSTR bstr;
Daniel@4914
   983
        if (SUCCEEDED(pcandlist->lpVtbl->GetString(pcandlist, i, &bstr))) {
Daniel@4914
   984
            if (bstr) {
Daniel@4913
   985
                IME_AddCandidate(videodata, j, bstr);
Daniel@4913
   986
                SysFreeString(bstr);
Daniel@4913
   987
            }
Daniel@4913
   988
        }
Daniel@4913
   989
    }
Daniel@4913
   990
    if (PRIMLANG() == LANG_KOREAN)
Daniel@4913
   991
        videodata->ime_candsel = -1;
Daniel@4913
   992
}
Daniel@4913
   993
dewyatt@4759
   994
STDMETHODIMP_(ULONG) TSFSink_AddRef(TSFSink *sink)
dewyatt@4759
   995
{
dewyatt@4759
   996
    return ++sink->refcount;
dewyatt@4759
   997
}
dewyatt@4759
   998
dewyatt@4759
   999
STDMETHODIMP_(ULONG)TSFSink_Release(TSFSink *sink)
dewyatt@4759
  1000
{
dewyatt@4759
  1001
    --sink->refcount;
Daniel@4914
  1002
    if (sink->refcount == 0) {
dewyatt@4759
  1003
        SDL_free(sink);
dewyatt@4759
  1004
        return 0;
dewyatt@4759
  1005
    }
dewyatt@4759
  1006
    return sink->refcount;
dewyatt@4759
  1007
}
dewyatt@4759
  1008
dewyatt@4759
  1009
STDMETHODIMP UIElementSink_QueryInterface(TSFSink *sink, REFIID riid, PVOID *ppv)
dewyatt@4759
  1010
{
dewyatt@4759
  1011
    if (!ppv)
dewyatt@4759
  1012
        return E_INVALIDARG;
dewyatt@4759
  1013
dewyatt@4759
  1014
    *ppv = 0;
dewyatt@4759
  1015
    if (SDL_IsEqualIID(riid, &IID_IUnknown))
dewyatt@4759
  1016
        *ppv = (IUnknown *)sink;
dewyatt@4759
  1017
    else if (SDL_IsEqualIID(riid, &IID_ITfUIElementSink))
dewyatt@4759
  1018
        *ppv = (ITfUIElementSink *)sink;
dewyatt@4759
  1019
dewyatt@4760
  1020
    if (*ppv) {
dewyatt@4759
  1021
        TSFSink_AddRef(sink);
dewyatt@4759
  1022
        return S_OK;
dewyatt@4759
  1023
    }
dewyatt@4759
  1024
    return E_NOINTERFACE;
dewyatt@4759
  1025
}
dewyatt@4759
  1026
dewyatt@4759
  1027
ITfUIElement *UILess_GetUIElement(SDL_VideoData *videodata, DWORD dwUIElementId)
dewyatt@4759
  1028
{
dewyatt@4759
  1029
    ITfUIElementMgr *puiem = 0;
dewyatt@4759
  1030
    ITfUIElement *pelem = 0;
dewyatt@4759
  1031
    ITfThreadMgrEx *threadmgrex = videodata->ime_threadmgrex;
dewyatt@4759
  1032
dewyatt@4760
  1033
    if (SUCCEEDED(threadmgrex->lpVtbl->QueryInterface(threadmgrex, &IID_ITfUIElementMgr, (LPVOID *)&puiem))) {
dewyatt@4759
  1034
        puiem->lpVtbl->GetUIElement(puiem, dwUIElementId, &pelem);
dewyatt@4759
  1035
        puiem->lpVtbl->Release(puiem);
dewyatt@4759
  1036
    }
dewyatt@4759
  1037
    return pelem;
dewyatt@4759
  1038
}
dewyatt@4759
  1039
dewyatt@4759
  1040
STDMETHODIMP UIElementSink_BeginUIElement(TSFSink *sink, DWORD dwUIElementId, BOOL *pbShow)
dewyatt@4759
  1041
{
dewyatt@4760
  1042
    ITfUIElement *element = UILess_GetUIElement((SDL_VideoData *)sink->data, dwUIElementId);
dewyatt@4759
  1043
    ITfReadingInformationUIElement *preading = 0;
Daniel@4913
  1044
    ITfCandidateListUIElement *pcandlist = 0;
dewyatt@4759
  1045
    SDL_VideoData *videodata = (SDL_VideoData *)sink->data;
dewyatt@4760
  1046
    if (!element)
dewyatt@4759
  1047
        return E_INVALIDARG;
dewyatt@4759
  1048
dewyatt@4759
  1049
    *pbShow = FALSE;
dewyatt@4760
  1050
    if (SUCCEEDED(element->lpVtbl->QueryInterface(element, &IID_ITfReadingInformationUIElement, (LPVOID *)&preading))) {
dewyatt@4759
  1051
        BSTR bstr;
dewyatt@4760
  1052
        if (SUCCEEDED(preading->lpVtbl->GetString(preading, &bstr)) && bstr) {
dewyatt@4759
  1053
            WCHAR *s = (WCHAR *)bstr;
dewyatt@4759
  1054
            SysFreeString(bstr);
dewyatt@4759
  1055
        }
dewyatt@4759
  1056
        preading->lpVtbl->Release(preading);
dewyatt@4759
  1057
    }
Daniel@4913
  1058
    else if (SUCCEEDED(element->lpVtbl->QueryInterface(element, &IID_ITfCandidateListUIElement, (LPVOID *)&pcandlist)))	{
Daniel@4913
  1059
        videodata->ime_candref++;
Daniel@4913
  1060
        UILess_GetCandidateList(videodata, pcandlist);
Daniel@4913
  1061
        pcandlist->lpVtbl->Release(pcandlist);
Daniel@4913
  1062
    }
dewyatt@4759
  1063
    return S_OK;
dewyatt@4759
  1064
}
dewyatt@4759
  1065
dewyatt@4759
  1066
STDMETHODIMP UIElementSink_UpdateUIElement(TSFSink *sink, DWORD dwUIElementId)
dewyatt@4759
  1067
{
dewyatt@4760
  1068
    ITfUIElement *element = UILess_GetUIElement((SDL_VideoData *)sink->data, dwUIElementId);
dewyatt@4759
  1069
    ITfReadingInformationUIElement *preading = 0;
Daniel@4913
  1070
    ITfCandidateListUIElement *pcandlist = 0;
dewyatt@4759
  1071
    SDL_VideoData *videodata = (SDL_VideoData *)sink->data;
dewyatt@4760
  1072
    if (!element)
dewyatt@4759
  1073
        return E_INVALIDARG;
dewyatt@4759
  1074
dewyatt@4760
  1075
    if (SUCCEEDED(element->lpVtbl->QueryInterface(element, &IID_ITfReadingInformationUIElement, (LPVOID *)&preading))) {
dewyatt@4759
  1076
        BSTR bstr;
dewyatt@4760
  1077
        if (SUCCEEDED(preading->lpVtbl->GetString(preading, &bstr)) && bstr) {
dewyatt@4759
  1078
            WCHAR *s = (WCHAR *)bstr;
dewyatt@4759
  1079
            SDL_wcslcpy(videodata->ime_readingstring, s, sizeof(videodata->ime_readingstring));
dewyatt@4759
  1080
            IME_SendEditingEvent(videodata);
dewyatt@4759
  1081
            SysFreeString(bstr);
dewyatt@4759
  1082
        }
dewyatt@4759
  1083
        preading->lpVtbl->Release(preading);
dewyatt@4759
  1084
    }
Daniel@4913
  1085
    else if (SUCCEEDED(element->lpVtbl->QueryInterface(element, &IID_ITfCandidateListUIElement, (LPVOID *)&pcandlist)))	{
Daniel@4913
  1086
        UILess_GetCandidateList(videodata, pcandlist);
Daniel@4913
  1087
        pcandlist->lpVtbl->Release(pcandlist);
Daniel@4913
  1088
    }
dewyatt@4759
  1089
    return S_OK;
dewyatt@4759
  1090
}
dewyatt@4759
  1091
dewyatt@4759
  1092
STDMETHODIMP UIElementSink_EndUIElement(TSFSink *sink, DWORD dwUIElementId)
dewyatt@4759
  1093
{
dewyatt@4760
  1094
    ITfUIElement *element = UILess_GetUIElement((SDL_VideoData *)sink->data, dwUIElementId);
dewyatt@4759
  1095
    ITfReadingInformationUIElement *preading = 0;
Daniel@4913
  1096
    ITfCandidateListUIElement *pcandlist = 0;
dewyatt@4759
  1097
    SDL_VideoData *videodata = (SDL_VideoData *)sink->data;
dewyatt@4760
  1098
    if (!element)
dewyatt@4759
  1099
        return E_INVALIDARG;
dewyatt@4759
  1100
dewyatt@4760
  1101
    if (SUCCEEDED(element->lpVtbl->QueryInterface(element, &IID_ITfReadingInformationUIElement, (LPVOID *)&preading))) {
dewyatt@4759
  1102
        videodata->ime_readingstring[0] = 0;
dewyatt@4759
  1103
        IME_SendEditingEvent(videodata);
dewyatt@4759
  1104
        preading->lpVtbl->Release(preading);
dewyatt@4759
  1105
    }
Daniel@4913
  1106
    if (SUCCEEDED(element->lpVtbl->QueryInterface(element, &IID_ITfCandidateListUIElement, (LPVOID *)&pcandlist))) {
Daniel@4913
  1107
        videodata->ime_candref--;
Daniel@4913
  1108
        if (videodata->ime_candref == 0)
Daniel@4913
  1109
            IME_CloseCandidateList(videodata);
Daniel@4913
  1110
Daniel@4913
  1111
        pcandlist->lpVtbl->Release(pcandlist);
Daniel@4913
  1112
    }
dewyatt@4759
  1113
    return S_OK;
dewyatt@4759
  1114
}
dewyatt@4759
  1115
dewyatt@4759
  1116
STDMETHODIMP IPPASink_QueryInterface(TSFSink *sink, REFIID riid, PVOID *ppv)
dewyatt@4759
  1117
{
dewyatt@4759
  1118
    if (!ppv)
dewyatt@4759
  1119
        return E_INVALIDARG;
dewyatt@4759
  1120
dewyatt@4759
  1121
    *ppv = 0;
dewyatt@4759
  1122
    if (SDL_IsEqualIID(riid, &IID_IUnknown))
dewyatt@4759
  1123
        *ppv = (IUnknown *)sink;
dewyatt@4759
  1124
    else if (SDL_IsEqualIID(riid, &IID_ITfInputProcessorProfileActivationSink))
dewyatt@4759
  1125
        *ppv = (ITfInputProcessorProfileActivationSink *)sink;
dewyatt@4759
  1126
dewyatt@4760
  1127
    if (*ppv) {
dewyatt@4759
  1128
        TSFSink_AddRef(sink);
dewyatt@4759
  1129
        return S_OK;
dewyatt@4759
  1130
    }
dewyatt@4759
  1131
    return E_NOINTERFACE;
dewyatt@4759
  1132
}
dewyatt@4759
  1133
dewyatt@4759
  1134
STDMETHODIMP IPPASink_OnActivated(TSFSink *sink, DWORD dwProfileType, LANGID langid, REFCLSID clsid, REFGUID catid, REFGUID guidProfile, HKL hkl, DWORD dwFlags)
dewyatt@4759
  1135
{
Daniel@4913
  1136
    static GUID TF_PROFILE_DAYI = {0x037B2C25, 0x480C, 0x4D7F, 0xB0, 0x27, 0xD6, 0xCA, 0x6B, 0x69, 0x78, 0x8A};
Daniel@4913
  1137
    SDL_VideoData *videodata = (SDL_VideoData *)sink->data;
Daniel@4913
  1138
    videodata->ime_candlistindexbase = SDL_IsEqualGUID(&TF_PROFILE_DAYI, guidProfile) ? 0 : 1;
dewyatt@4759
  1139
    if (SDL_IsEqualIID(catid, &GUID_TFCAT_TIP_KEYBOARD) && (dwFlags & TF_IPSINK_FLAG_ACTIVE))
dewyatt@4759
  1140
        IME_InputLangChanged((SDL_VideoData *)sink->data);
dewyatt@4759
  1141
Daniel@4913
  1142
    IME_HideCandidateList(videodata);
dewyatt@4759
  1143
    return S_OK;
dewyatt@4759
  1144
}
dewyatt@4759
  1145
dewyatt@4759
  1146
static void *vtUIElementSink[] = {
dewyatt@4759
  1147
    (void *)(UIElementSink_QueryInterface),
dewyatt@4759
  1148
    (void *)(TSFSink_AddRef),
dewyatt@4759
  1149
    (void *)(TSFSink_Release),
dewyatt@4759
  1150
    (void *)(UIElementSink_BeginUIElement),
dewyatt@4759
  1151
    (void *)(UIElementSink_UpdateUIElement),
dewyatt@4759
  1152
    (void *)(UIElementSink_EndUIElement)
dewyatt@4759
  1153
};
dewyatt@4759
  1154
dewyatt@4759
  1155
static void *vtIPPASink[] = {
dewyatt@4759
  1156
    (void *)(IPPASink_QueryInterface),
dewyatt@4759
  1157
    (void *)(TSFSink_AddRef),
dewyatt@4759
  1158
    (void *)(TSFSink_Release),
dewyatt@4759
  1159
    (void *)(IPPASink_OnActivated)
dewyatt@4759
  1160
};
dewyatt@4759
  1161
dewyatt@4759
  1162
static void
dewyatt@4759
  1163
UILess_EnableUIUpdates(SDL_VideoData *videodata)
dewyatt@4759
  1164
{
dewyatt@4759
  1165
    ITfSource *source = 0;
dewyatt@4759
  1166
    if (!videodata->ime_threadmgrex || videodata->ime_uielemsinkcookie != TF_INVALID_COOKIE)
dewyatt@4759
  1167
        return;
dewyatt@4759
  1168
dewyatt@4760
  1169
    if (SUCCEEDED(videodata->ime_threadmgrex->lpVtbl->QueryInterface(videodata->ime_threadmgrex, &IID_ITfSource, (LPVOID *)&source))) {
dewyatt@4759
  1170
        source->lpVtbl->AdviseSink(source, &IID_ITfUIElementSink, (IUnknown *)videodata->ime_uielemsink, &videodata->ime_uielemsinkcookie);
dewyatt@4759
  1171
        source->lpVtbl->Release(source);
dewyatt@4759
  1172
    }
dewyatt@4759
  1173
}
dewyatt@4759
  1174
dewyatt@4759
  1175
static void
dewyatt@4759
  1176
UILess_DisableUIUpdates(SDL_VideoData *videodata)
dewyatt@4759
  1177
{
dewyatt@4759
  1178
    ITfSource *source = 0;
dewyatt@4759
  1179
    if (!videodata->ime_threadmgrex || videodata->ime_uielemsinkcookie == TF_INVALID_COOKIE)
dewyatt@4759
  1180
        return;
dewyatt@4759
  1181
dewyatt@4760
  1182
    if (SUCCEEDED(videodata->ime_threadmgrex->lpVtbl->QueryInterface(videodata->ime_threadmgrex, &IID_ITfSource, (LPVOID *)&source))) {
dewyatt@4759
  1183
        source->lpVtbl->UnadviseSink(source, videodata->ime_uielemsinkcookie);
dewyatt@4759
  1184
        videodata->ime_uielemsinkcookie = TF_INVALID_COOKIE;
dewyatt@4759
  1185
        source->lpVtbl->Release(source);
dewyatt@4759
  1186
    }
dewyatt@4759
  1187
}
dewyatt@4759
  1188
dewyatt@4759
  1189
static SDL_bool
dewyatt@4759
  1190
UILess_SetupSinks(SDL_VideoData *videodata)
dewyatt@4759
  1191
{
dewyatt@4759
  1192
    TfClientId clientid = 0;
dewyatt@4759
  1193
    SDL_bool result = SDL_FALSE;
dewyatt@4759
  1194
    ITfSource *source = 0;
Daniel@4893
  1195
    if (FAILED(CoCreateInstance(&CLSID_TF_ThreadMgr, NULL, CLSCTX_INPROC_SERVER, &IID_ITfThreadMgrEx, (LPVOID *)&videodata->ime_threadmgrex)))
dewyatt@4759
  1196
        return SDL_FALSE;
dewyatt@4759
  1197
dewyatt@4759
  1198
    if (FAILED(videodata->ime_threadmgrex->lpVtbl->ActivateEx(videodata->ime_threadmgrex, &clientid, TF_TMAE_UIELEMENTENABLEDONLY)))
dewyatt@4759
  1199
        return SDL_FALSE;
dewyatt@4759
  1200
dewyatt@4759
  1201
    videodata->ime_uielemsink = SDL_malloc(sizeof(TSFSink));
dewyatt@4759
  1202
    videodata->ime_ippasink = SDL_malloc(sizeof(TSFSink));
dewyatt@4759
  1203
dewyatt@4759
  1204
    videodata->ime_uielemsink->lpVtbl = vtUIElementSink;
dewyatt@4759
  1205
    videodata->ime_uielemsink->refcount = 1;
dewyatt@4759
  1206
    videodata->ime_uielemsink->data = videodata;
dewyatt@4759
  1207
dewyatt@4759
  1208
    videodata->ime_ippasink->lpVtbl = vtIPPASink;
dewyatt@4759
  1209
    videodata->ime_ippasink->refcount = 1;
dewyatt@4759
  1210
    videodata->ime_ippasink->data = videodata;
dewyatt@4759
  1211
dewyatt@4760
  1212
    if (SUCCEEDED(videodata->ime_threadmgrex->lpVtbl->QueryInterface(videodata->ime_threadmgrex, &IID_ITfSource, (LPVOID *)&source))) {
dewyatt@4760
  1213
        if (SUCCEEDED(source->lpVtbl->AdviseSink(source, &IID_ITfUIElementSink, (IUnknown *)videodata->ime_uielemsink, &videodata->ime_uielemsinkcookie))) {
dewyatt@4760
  1214
            if (SUCCEEDED(source->lpVtbl->AdviseSink(source, &IID_ITfInputProcessorProfileActivationSink, (IUnknown *)videodata->ime_ippasink, &videodata->ime_alpnsinkcookie))) {
dewyatt@4759
  1215
                result = SDL_TRUE;
dewyatt@4759
  1216
            }
dewyatt@4759
  1217
        }
dewyatt@4759
  1218
        source->lpVtbl->Release(source);
dewyatt@4759
  1219
    }
dewyatt@4759
  1220
    return result;
dewyatt@4759
  1221
}
dewyatt@4759
  1222
dewyatt@4759
  1223
#define SAFE_RELEASE(p)                             \
dewyatt@4759
  1224
{                                                   \
dewyatt@4759
  1225
    if (p) {                                        \
dewyatt@4759
  1226
        (p)->lpVtbl->Release((p));                  \
dewyatt@4759
  1227
        (p) = 0;                                    \
dewyatt@4759
  1228
    }                                               \
dewyatt@4759
  1229
}
dewyatt@4759
  1230
dewyatt@4759
  1231
static void
dewyatt@4759
  1232
UILess_ReleaseSinks(SDL_VideoData *videodata)
dewyatt@4759
  1233
{
dewyatt@4760
  1234
    ITfSource *source = 0;
Daniel@4893
  1235
    if (videodata->ime_threadmgrex && SUCCEEDED(videodata->ime_threadmgrex->lpVtbl->QueryInterface(videodata->ime_threadmgrex, &IID_ITfSource, (LPVOID *)&source))) {
dewyatt@4760
  1236
        source->lpVtbl->UnadviseSink(source, videodata->ime_uielemsinkcookie);
dewyatt@4760
  1237
        source->lpVtbl->UnadviseSink(source, videodata->ime_alpnsinkcookie);
dewyatt@4760
  1238
        SAFE_RELEASE(source);
dewyatt@4759
  1239
        videodata->ime_threadmgrex->lpVtbl->Deactivate(videodata->ime_threadmgrex);
dewyatt@4759
  1240
        SAFE_RELEASE(videodata->ime_threadmgrex);
dewyatt@4759
  1241
        TSFSink_Release(videodata->ime_uielemsink);
dewyatt@4759
  1242
        videodata->ime_uielemsink = 0;
dewyatt@4759
  1243
        TSFSink_Release(videodata->ime_ippasink);
dewyatt@4759
  1244
        videodata->ime_ippasink = 0;
dewyatt@4759
  1245
    }
dewyatt@4759
  1246
}
dewyatt@4759
  1247
Daniel@4913
  1248
static void *
Daniel@4913
  1249
StartDrawToBitmap(HDC hdc, HBITMAP *hhbm, int width, int height)
Daniel@4913
  1250
{
Daniel@4913
  1251
    BITMAPINFO info = {0};
Daniel@4913
  1252
    BITMAPINFOHEADER *infoHeader = &info.bmiHeader;
Daniel@4913
  1253
    BYTE *bits = NULL;
Daniel@4914
  1254
    if (hhbm) {
Daniel@4913
  1255
        infoHeader->biSize = sizeof(BITMAPINFOHEADER);
Daniel@4913
  1256
        infoHeader->biWidth = width;
Daniel@4913
  1257
        infoHeader->biHeight = -1 * SDL_abs(height);
Daniel@4913
  1258
        infoHeader->biPlanes = 1;
Daniel@4913
  1259
        infoHeader->biBitCount = 32;
Daniel@4913
  1260
        infoHeader->biCompression = BI_RGB;
Daniel@4913
  1261
        *hhbm = CreateDIBSection(hdc, &info, DIB_RGB_COLORS, (void **)&bits, 0, 0);
Daniel@4913
  1262
        if (*hhbm)
Daniel@4913
  1263
            SelectObject(hdc, *hhbm);
Daniel@4913
  1264
    }
Daniel@4913
  1265
    return bits;
Daniel@4913
  1266
}
Daniel@4913
  1267
Daniel@4913
  1268
static void
Daniel@4913
  1269
StopDrawToBitmap(HDC hdc, HBITMAP *hhbm)
Daniel@4913
  1270
{
Daniel@4914
  1271
    if (hhbm && *hhbm) {
Daniel@4913
  1272
        DeleteObject(*hhbm);
Daniel@4913
  1273
        *hhbm = NULL;
Daniel@4913
  1274
    }
Daniel@4913
  1275
}
Daniel@4913
  1276
Daniel@4913
  1277
static void
Daniel@4913
  1278
BitmapToTexture(HBITMAP hbm, BYTE *bits, int width, int height, SDL_Texture **texture)
Daniel@4913
  1279
{
Daniel@4913
  1280
    SDL_Surface *surface = NULL;
Daniel@4913
  1281
    BITMAP bm = {0};
Daniel@4913
  1282
Daniel@4913
  1283
    if (GetObject(hbm, sizeof(bm), &bm) == 0)
Daniel@4913
  1284
        return;
Daniel@4913
  1285
Daniel@4914
  1286
    if (bits && texture) {
Daniel@4913
  1287
        /*
Daniel@4913
  1288
            For transparency:
Daniel@4913
  1289
Daniel@4913
  1290
            const Uint8 alpha = 130;
Daniel@4913
  1291
            unsigned long *p = (unsigned long *)bits;
Daniel@4913
  1292
            unsigned long *end = (unsigned long *)(bits + (bm.bmWidthBytes * bm.bmHeight));
Daniel@4914
  1293
            while (p < end) {
Daniel@4913
  1294
                *p = RGB(GetRValue(*p), GetGValue(*p), GetBValue(*p)) | (alpha << 24);
Daniel@4913
  1295
                ++p;
Daniel@4913
  1296
            }
Daniel@4913
  1297
            surface = SDL_CreateRGBSurfaceFrom(bits, width, height, bm.bmBitsPixel, bm.bmWidthBytes, 0x00ff0000, 0x0000ff00, 0x000000ff, 0xff000000);
Daniel@4913
  1298
        */
Daniel@4913
  1299
        surface = SDL_CreateRGBSurfaceFrom(bits, width, height, bm.bmBitsPixel, bm.bmWidthBytes, 0x00ff0000, 0x0000ff00, 0x000000ff, 0);
Daniel@4914
  1300
        if (surface) {
Daniel@4913
  1301
            *texture = SDL_CreateTextureFromSurface(0, surface);
Daniel@4913
  1302
            SDL_FreeSurface(surface);
Daniel@4913
  1303
        }
Daniel@4913
  1304
    }
Daniel@4913
  1305
}
Daniel@4913
  1306
Daniel@4913
  1307
/* This draws only within the specified area and fills the entire region. */
Daniel@4913
  1308
static void
Daniel@4913
  1309
DrawRect(HDC hdc, int left, int top, int right, int bottom, int pensize)
Daniel@4913
  1310
{
Daniel@4913
  1311
    /* The case of no pen (PenSize = 0) is automatically taken care of. */
Daniel@4913
  1312
    const int penadjust = (int)SDL_floor(pensize / 2.0f - 0.5f);
Daniel@4913
  1313
    left += pensize / 2;
Daniel@4913
  1314
    top += pensize / 2;
Daniel@4913
  1315
    right -= penadjust;
Daniel@4913
  1316
    bottom -= penadjust;
Daniel@4913
  1317
    Rectangle(hdc, left, top, right, bottom);
Daniel@4913
  1318
}
Daniel@4913
  1319
Daniel@4913
  1320
static void
Daniel@4913
  1321
DestroyTexture(SDL_Texture **texture)
Daniel@4913
  1322
{
Daniel@4914
  1323
    if (texture && *texture) {
Daniel@4913
  1324
        SDL_DestroyTexture(*texture);
Daniel@4913
  1325
        *texture = NULL;
Daniel@4913
  1326
    }
Daniel@4913
  1327
}
Daniel@4913
  1328
Daniel@4913
  1329
static void
Daniel@4913
  1330
IME_DestroyTextures(SDL_VideoData *videodata)
Daniel@4913
  1331
{
Daniel@4913
  1332
    DestroyTexture(&videodata->ime_candtex);
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
    BYTE *bits = NULL;
Daniel@4913
  1418
    const int candcount = SDL_min(SDL_min(MAX_CANDLIST, videodata->ime_candcount), videodata->ime_candpgsize);
Daniel@4913
  1419
    SDL_bool vertical = videodata->ime_candvertical;
Daniel@4913
  1420
Daniel@4913
  1421
    const int listborder = 1;
Daniel@4913
  1422
    const int listpadding = 0;
Daniel@4913
  1423
    const int listbordercolor = RGB(0xB4, 0xC7, 0xAA);
Daniel@4913
  1424
    const int listfillcolor = RGB(255, 255, 255);
Daniel@4913
  1425
Daniel@4913
  1426
    const int candborder = 1;
Daniel@4913
  1427
    const int candpadding = 0;
Daniel@4913
  1428
    const int candmargin = 1;
Daniel@4913
  1429
    const COLORREF candbordercolor = RGB(255, 255, 255);
Daniel@4913
  1430
    const COLORREF candfillcolor = RGB(255, 255, 255);
Daniel@4913
  1431
    const COLORREF candtextcolor = RGB(0, 0, 0);
Daniel@4913
  1432
    const COLORREF selbordercolor = RGB(0x84, 0xAC, 0xDD);
Daniel@4913
  1433
    const COLORREF selfillcolor = RGB(0xD2, 0xE6, 0xFF);
Daniel@4913
  1434
    const COLORREF seltextcolor = RGB(0, 0, 0);
Daniel@4916
  1435
    const int horzcandspacing = 5;
Daniel@4913
  1436
Daniel@4913
  1437
    HPEN listpen = listborder != 0 ? CreatePen(PS_SOLID, listborder, listbordercolor) : (HPEN)GetStockObject(NULL_PEN);
Daniel@4913
  1438
    HBRUSH listbrush = CreateSolidBrush(listfillcolor);
Daniel@4913
  1439
    HPEN candpen = candborder != 0 ? CreatePen(PS_SOLID, candborder, candbordercolor) : (HPEN)GetStockObject(NULL_PEN);
Daniel@4913
  1440
    HBRUSH candbrush = CreateSolidBrush(candfillcolor);
Daniel@4913
  1441
    HPEN selpen = candborder != 0 ? CreatePen(PS_DOT, candborder, selbordercolor) : (HPEN)GetStockObject(NULL_PEN);
Daniel@4913
  1442
    HBRUSH selbrush = CreateSolidBrush(selfillcolor);
Daniel@4913
  1443
    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
  1444
Daniel@4913
  1445
    SetBkMode(hdc, TRANSPARENT);
Daniel@4913
  1446
    SelectObject(hdc, font);
Daniel@4913
  1447
Daniel@4914
  1448
    for (i = 0; i < candcount; ++i) {
Daniel@4913
  1449
        const WCHAR *s = videodata->ime_candidates[i];
Daniel@4913
  1450
        if (!*s)
Daniel@4913
  1451
            break;
Daniel@4913
  1452
Daniel@4916
  1453
        GetTextExtentPoint32W(hdc, s, SDL_wcslen(s), &candsizes[i]);
Daniel@4916
  1454
        maxcandsize.cx = SDL_max(maxcandsize.cx, candsizes[i].cx);
Daniel@4916
  1455
        maxcandsize.cy = SDL_max(maxcandsize.cy, candsizes[i].cy);
Daniel@4913
  1456
Daniel@4913
  1457
    }
Daniel@4916
  1458
    if (vertical) {
Daniel@4916
  1459
        size.cx =
Daniel@4916
  1460
            (listborder * 2) +
Daniel@4916
  1461
            (listpadding * 2) +
Daniel@4916
  1462
            (candmargin * 2) +
Daniel@4916
  1463
            (candborder * 2) +
Daniel@4916
  1464
            (candpadding * 2) +
Daniel@4916
  1465
            (maxcandsize.cx)
Daniel@4916
  1466
            ;
Daniel@4916
  1467
        size.cy =
Daniel@4916
  1468
            (listborder * 2) +
Daniel@4916
  1469
            (listpadding * 2) +
Daniel@4916
  1470
            ((candcount + 1) * candmargin) +
Daniel@4916
  1471
            (candcount * candborder * 2) +
Daniel@4916
  1472
            (candcount * candpadding * 2) +
Daniel@4916
  1473
            (candcount * maxcandsize.cy)
Daniel@4916
  1474
            ;
Daniel@4916
  1475
    }
Daniel@4916
  1476
    else {
Daniel@4916
  1477
        size.cx =
Daniel@4916
  1478
            (listborder * 2) +
Daniel@4916
  1479
            (listpadding * 2) +
Daniel@4916
  1480
            ((candcount + 1) * candmargin) +
Daniel@4916
  1481
            (candcount * candborder * 2) +
Daniel@4916
  1482
            (candcount * candpadding * 2) +
Daniel@4916
  1483
            ((candcount - 1) * horzcandspacing);
Daniel@4916
  1484
        ;
Daniel@4913
  1485
Daniel@4916
  1486
        for (i = 0; i < candcount; ++i)
Daniel@4916
  1487
            size.cx += candsizes[i].cx;
Daniel@4916
  1488
Daniel@4916
  1489
        size.cy =
Daniel@4916
  1490
            (listborder * 2) +
Daniel@4916
  1491
            (listpadding * 2) +
Daniel@4916
  1492
            (candmargin * 2) +
Daniel@4916
  1493
            (candborder * 2) +
Daniel@4916
  1494
            (candpadding * 2) +
Daniel@4916
  1495
            (maxcandsize.cy)
Daniel@4916
  1496
            ;
Daniel@4916
  1497
    }
Daniel@4913
  1498
Daniel@4913
  1499
    bits = StartDrawToBitmap(hdc, &hbm, size.cx, size.cy);
Daniel@4913
  1500
Daniel@4913
  1501
    SelectObject(hdc, listpen);
Daniel@4913
  1502
    SelectObject(hdc, listbrush);
Daniel@4913
  1503
    DrawRect(hdc, 0, 0, size.cx, size.cy, listborder);
Daniel@4913
  1504
Daniel@4913
  1505
    SelectObject(hdc, candpen);
Daniel@4913
  1506
    SelectObject(hdc, candbrush);
Daniel@4913
  1507
    SetTextColor(hdc, candtextcolor);
Daniel@4913
  1508
    SetBkMode(hdc, TRANSPARENT);
Daniel@4913
  1509
Daniel@4914
  1510
    for (i = 0; i < candcount; ++i) {
Daniel@4913
  1511
        const WCHAR *s = videodata->ime_candidates[i];
Daniel@4913
  1512
        int left, top, right, bottom;
Daniel@4913
  1513
        if (!*s)
Daniel@4913
  1514
            break;
Daniel@4913
  1515
Daniel@4916
  1516
        if (vertical) {
Daniel@4916
  1517
            left = listborder + listpadding + candmargin;
Daniel@4916
  1518
            top = listborder + listpadding + (i * candborder * 2) + (i * candpadding * 2) + ((i + 1) * candmargin) + (i * maxcandsize.cy);
Daniel@4916
  1519
            right = size.cx - listborder - listpadding - candmargin;
Daniel@4916
  1520
            bottom = top + maxcandsize.cy + (candpadding * 2) + (candborder * 2);
Daniel@4916
  1521
        }
Daniel@4916
  1522
        else {
Daniel@4916
  1523
            left = listborder + listpadding + (i * candborder * 2) + (i * candpadding * 2) + ((i + 1) * candmargin) + (i * horzcandspacing);
Daniel@4913
  1524
Daniel@4916
  1525
            for (j = 0; j < i; ++j)
Daniel@4916
  1526
                left += candsizes[j].cx;
Daniel@4913
  1527
Daniel@4916
  1528
            top = listborder + listpadding + candmargin;
Daniel@4916
  1529
            right = left + candsizes[i].cx + (candpadding * 2) + (candborder * 2);
Daniel@4916
  1530
            bottom = size.cy - listborder - listpadding - candmargin;
Daniel@4913
  1531
        }
Daniel@4913
  1532
Daniel@4914
  1533
        if (i == videodata->ime_candsel) {
Daniel@4913
  1534
            SelectObject(hdc, selpen);
Daniel@4913
  1535
            SelectObject(hdc, selbrush);
Daniel@4913
  1536
            SetTextColor(hdc, seltextcolor);
Daniel@4913
  1537
        }
Daniel@4914
  1538
        else {
Daniel@4913
  1539
            SelectObject(hdc, candpen);
Daniel@4913
  1540
            SelectObject(hdc, candbrush);
Daniel@4913
  1541
            SetTextColor(hdc, candtextcolor);
Daniel@4913
  1542
        }
Daniel@4913
  1543
Daniel@4913
  1544
        DrawRect(hdc, left, top, right, bottom, candborder);
Daniel@4913
  1545
        ExtTextOutW(hdc, left + candborder + candpadding, top + candborder + candpadding, 0, NULL, s, SDL_wcslen(s), NULL);
Daniel@4913
  1546
    }
Daniel@4913
  1547
    BitmapToTexture(hbm, bits, size.cx, size.cy, &videodata->ime_candtex);
Daniel@4913
  1548
    StopDrawToBitmap(hdc, &hbm);
Daniel@4913
  1549
Daniel@4913
  1550
    DeleteObject(listpen);
Daniel@4913
  1551
    DeleteObject(listbrush);
Daniel@4913
  1552
    DeleteObject(candpen);
Daniel@4913
  1553
    DeleteObject(candbrush);
Daniel@4913
  1554
    DeleteObject(selpen);
Daniel@4913
  1555
    DeleteObject(selbrush);
Daniel@4913
  1556
    DeleteObject(font);
Daniel@4913
  1557
Daniel@4913
  1558
    IME_PositionCandidateList(videodata, size);
Daniel@4913
  1559
}
Daniel@4913
  1560
Daniel@4913
  1561
static void
Daniel@4913
  1562
IME_Render(SDL_VideoData *videodata)
Daniel@4913
  1563
{
Daniel@4913
  1564
    HDC hdc = CreateCompatibleDC(NULL);
Daniel@4913
  1565
Daniel@4913
  1566
    if (videodata->ime_candlist)
Daniel@4913
  1567
        IME_RenderCandidateList(videodata, hdc);
Daniel@4913
  1568
Daniel@4913
  1569
    DeleteDC(hdc);
Daniel@4913
  1570
Daniel@4913
  1571
    videodata->ime_dirty = SDL_FALSE;
Daniel@4913
  1572
}
Daniel@4913
  1573
Daniel@4913
  1574
void IME_Present(SDL_VideoData *videodata)
Daniel@4913
  1575
{
Daniel@4913
  1576
    if (videodata->ime_dirty)
Daniel@4913
  1577
        IME_Render(videodata);
Daniel@4913
  1578
Daniel@4913
  1579
    SDL_RenderCopy(videodata->ime_candtex, NULL, &videodata->ime_candlistrect);
Daniel@4913
  1580
}
Daniel@4913
  1581
slouken@5086
  1582
#endif /* SDL_DISABLE_WINDOWS_IME */
slouken@5086
  1583
slouken@1895
  1584
/* vi: set ts=4 sw=4 expandtab: */