Mercurial > sdl-ios-xcode
annotate src/video/win32/SDL_win32keyboard.c @ 4752:dc7bdcf06367
Initial IMM implementation.
IME input should now work fairly well.
| author | dewyatt |
|---|---|
| date | Mon, 12 Jul 2010 11:33:27 -0400 |
| parents | f3908cd80b10 |
| children | 11b0a6a3eb4d |
| rev | line source |
|---|---|
|
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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1 /* |
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2 SDL - Simple DirectMedia Layer |
| 3697 | 3 Copyright (C) 1997-2010 Sam Lantinga |
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4 |
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5 This library is free software; you can redistribute it and/or |
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6 modify it under the terms of the GNU Lesser General Public |
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7 License as published by the Free Software Foundation; either |
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8 version 2.1 of the License, or (at your option) any later version. |
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9 |
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10 This library is distributed in the hope that it will be useful, |
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11 but WITHOUT ANY WARRANTY; without even the implied warranty of |
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12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
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13 Lesser General Public License for more details. |
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14 |
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15 You should have received a copy of the GNU Lesser General Public |
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16 License along with this library; if not, write to the Free Software |
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17 Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA |
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18 |
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19 Sam Lantinga |
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20 slouken@libsdl.org |
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21 */ |
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22 #include "SDL_config.h" |
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23 |
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24 #include "SDL_win32video.h" |
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25 |
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26 #include "../../events/SDL_keyboard_c.h" |
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27 #include "../../events/scancodes_win32.h" |
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28 |
| 4752 | 29 #include <msctf.h> |
| 30 #include <imm.h> | |
| 31 | |
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32 #ifndef MAPVK_VK_TO_VSC |
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33 #define MAPVK_VK_TO_VSC 0 |
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34 #endif |
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35 #ifndef MAPVK_VSC_TO_VK |
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36 #define MAPVK_VSC_TO_VK 1 |
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37 #endif |
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38 #ifndef MAPVK_VK_TO_CHAR |
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39 #define MAPVK_VK_TO_CHAR 2 |
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40 #endif |
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41 |
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42 /* Alphabetic scancodes for PC keyboards */ |
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43 BYTE alpha_scancodes[26] = { |
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44 30, 48, 46, 32, 18, 33, 34, 35, 23, 36, 37, 38, 50, 49, 24, |
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45 25, 16, 19, 31, 20, 22, 47, 17, 45, 21, 44 |
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46 }; |
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47 |
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48 BYTE keypad_scancodes[10] = { |
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49 82, 79, 80, 81, 75, 76, 77, 71, 72, 73 |
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50 }; |
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51 |
| 4752 | 52 void IME_Disable(SDL_VideoData *videodata, HWND hwnd); |
| 53 void IME_Enable(SDL_VideoData *videodata, HWND hwnd); | |
| 54 void IME_Init(SDL_VideoData *videodata, HWND hwnd); | |
| 55 void IME_Quit(SDL_VideoData *videodata); | |
| 56 | |
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57 void |
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58 WIN_InitKeyboard(_THIS) |
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59 { |
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60 SDL_VideoData *data = (SDL_VideoData *) _this->driverdata; |
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61 int i; |
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62 |
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63 /* Make sure the alpha scancodes are correct. T isn't usually remapped */ |
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64 if (MapVirtualKey('T', MAPVK_VK_TO_VSC) != alpha_scancodes['T' - 'A']) { |
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65 #if 0 |
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66 printf |
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67 ("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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68 #endif |
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69 for (i = 0; i < SDL_arraysize(alpha_scancodes); ++i) { |
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70 alpha_scancodes[i] = MapVirtualKey('A' + i, MAPVK_VK_TO_VSC); |
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71 #if 0 |
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72 printf("%d = %d\n", i, alpha_scancodes[i]); |
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73 #endif |
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74 } |
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75 } |
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76 if (MapVirtualKey(VK_NUMPAD0, MAPVK_VK_TO_VSC) != keypad_scancodes[0]) { |
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77 #if 0 |
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78 printf |
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79 ("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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80 #endif |
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81 for (i = 0; i < SDL_arraysize(keypad_scancodes); ++i) { |
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82 keypad_scancodes[i] = |
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83 MapVirtualKey(VK_NUMPAD0 + i, MAPVK_VK_TO_VSC); |
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84 #if 0 |
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85 printf("%d = %d\n", i, keypad_scancodes[i]); |
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86 #endif |
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87 } |
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88 } |
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89 |
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90 data->key_layout = win32_scancode_table; |
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91 |
| 4752 | 92 data->ime_com_initialized = SDL_FALSE; |
| 93 data->ime_thread_mgr = 0; | |
| 94 data->ime_initialized = SDL_FALSE; | |
| 95 data->ime_enabled = SDL_FALSE; | |
| 96 data->ime_available = SDL_FALSE; | |
| 97 data->ime_hwnd_main = 0; | |
| 98 data->ime_hwnd_current = 0; | |
| 99 data->ime_himc = 0; | |
| 100 | |
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101 WIN_UpdateKeymap(); |
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102 |
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103 SDL_SetScancodeName(SDL_SCANCODE_APPLICATION, "Menu"); |
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104 SDL_SetScancodeName(SDL_SCANCODE_LGUI, "Left Windows"); |
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105 SDL_SetScancodeName(SDL_SCANCODE_RGUI, "Right Windows"); |
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106 } |
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107 |
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108 void |
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109 WIN_UpdateKeymap() |
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110 { |
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111 int i; |
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112 SDL_scancode scancode; |
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113 SDLKey keymap[SDL_NUM_SCANCODES]; |
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114 |
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115 SDL_GetDefaultKeymap(keymap); |
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116 |
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117 for (i = 0; i < SDL_arraysize(win32_scancode_table); i++) { |
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118 |
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119 /* Make sure this scancode is a valid character scancode */ |
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120 scancode = win32_scancode_table[i]; |
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121 if (scancode == SDL_SCANCODE_UNKNOWN || |
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122 (keymap[scancode] & SDLK_SCANCODE_MASK)) { |
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123 continue; |
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124 } |
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125 |
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126 /* Alphabetic keys are handled specially, since Windows remaps them */ |
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127 if (i >= 'A' && i <= 'Z') { |
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128 BYTE vsc = alpha_scancodes[i - 'A']; |
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129 keymap[scancode] = MapVirtualKey(vsc, MAPVK_VSC_TO_VK) + 0x20; |
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130 } else { |
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131 keymap[scancode] = (MapVirtualKey(i, MAPVK_VK_TO_CHAR) & 0x7FFF); |
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132 } |
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133 } |
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134 SDL_SetKeymap(0, keymap, SDL_NUM_SCANCODES); |
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135 } |
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136 |
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137 void |
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138 WIN_QuitKeyboard(_THIS) |
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139 { |
| 4752 | 140 IME_Quit((SDL_VideoData *)_this->driverdata); |
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141 } |
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142 |
| 4747 | 143 void |
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144 WIN_StartTextInput(_THIS, SDL_Window *window) |
| 4747 | 145 { |
| 4752 | 146 HWND hwnd = ((SDL_WindowData *) window->driverdata)->hwnd; |
| 147 SDL_VideoData *videodata = (SDL_VideoData *)_this->driverdata; | |
| 148 IME_Init(videodata, hwnd); | |
| 149 IME_Enable(videodata, hwnd); | |
| 4747 | 150 } |
| 151 | |
| 152 void | |
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153 WIN_StopTextInput(_THIS, SDL_Window *window) |
| 4747 | 154 { |
| 4752 | 155 HWND hwnd = ((SDL_WindowData *) window->driverdata)->hwnd; |
| 156 SDL_VideoData *videodata = (SDL_VideoData *)_this->driverdata; | |
| 157 IME_Init(videodata, hwnd); | |
| 158 IME_Disable(videodata, hwnd); | |
| 4747 | 159 } |
| 160 | |
| 161 void | |
| 162 WIN_SetTextInputRect(_THIS, SDL_Rect *rect) | |
| 163 { | |
| 164 | |
| 165 } | |
| 166 | |
| 4752 | 167 void |
| 168 IME_Disable(SDL_VideoData *videodata, HWND hwnd) | |
| 169 { | |
| 170 if (!videodata->ime_initialized || !videodata->ime_hwnd_current) | |
| 171 return; | |
| 172 | |
| 173 if (videodata->ime_hwnd_current == videodata->ime_hwnd_main) | |
| 174 ImmAssociateContext(videodata->ime_hwnd_current, NULL); | |
| 175 | |
| 176 videodata->ime_enabled = SDL_FALSE; | |
| 177 } | |
| 178 | |
| 179 void | |
| 180 IME_Enable(SDL_VideoData *videodata, HWND hwnd) | |
| 181 { | |
| 182 if (!videodata->ime_initialized || !videodata->ime_hwnd_current) | |
| 183 return; | |
| 184 | |
| 185 if (!videodata->ime_available) { | |
| 186 IME_Disable(videodata, hwnd); | |
| 187 return; | |
| 188 } | |
| 189 if (videodata->ime_hwnd_current == videodata->ime_hwnd_main) | |
| 190 ImmAssociateContext(videodata->ime_hwnd_current, videodata->ime_himc); | |
| 191 | |
| 192 videodata->ime_enabled = SDL_TRUE; | |
| 193 } | |
| 194 | |
| 195 void | |
| 196 IME_Init(SDL_VideoData *videodata, HWND hwnd) | |
| 197 { | |
| 198 if (videodata->ime_initialized) | |
| 199 return; | |
| 200 | |
| 201 videodata->ime_hwnd_main = hwnd; | |
| 202 if (SUCCEEDED(CoInitializeEx(NULL, COINIT_APARTMENTTHREADED))) { | |
| 203 videodata->ime_com_initialized = SDL_TRUE; | |
| 204 CoCreateInstance(&CLSID_TF_ThreadMgr, NULL, CLSCTX_INPROC_SERVER, &IID_ITfThreadMgr, &videodata->ime_thread_mgr); | |
| 205 } | |
| 206 videodata->ime_initialized = SDL_TRUE; | |
| 207 videodata->ime_hwnd_current = videodata->ime_hwnd_main; | |
| 208 if (videodata->ime_thread_mgr) { | |
| 209 struct ITfDocumentMgr *document_mgr = 0; | |
| 210 if (SUCCEEDED(videodata->ime_thread_mgr->lpVtbl->AssociateFocus(videodata->ime_thread_mgr, hwnd, NULL, &document_mgr))) { | |
| 211 if (document_mgr) | |
| 212 document_mgr->lpVtbl->Release(document_mgr); | |
| 213 } | |
| 214 } | |
| 215 videodata->ime_himc = ImmGetContext(hwnd); | |
| 216 ImmReleaseContext(hwnd, videodata->ime_himc); | |
| 217 if (!videodata->ime_himc) { | |
| 218 videodata->ime_available = SDL_FALSE; | |
| 219 IME_Disable(videodata, hwnd); | |
| 220 return; | |
| 221 } | |
| 222 videodata->ime_available = SDL_TRUE; | |
| 223 IME_Disable(videodata, hwnd); | |
| 224 } | |
| 225 | |
| 226 void | |
| 227 IME_Quit(SDL_VideoData *videodata) | |
| 228 { | |
| 229 if (!videodata->ime_initialized) | |
| 230 return; | |
| 231 | |
| 232 if (videodata->ime_hwnd_main) | |
| 233 ImmAssociateContext(videodata->ime_hwnd_main, videodata->ime_himc); | |
| 234 | |
| 235 videodata->ime_hwnd_main = 0; | |
| 236 videodata->ime_himc = 0; | |
| 237 if (videodata->ime_thread_mgr) | |
| 238 { | |
| 239 videodata->ime_thread_mgr->lpVtbl->Release(videodata->ime_thread_mgr); | |
| 240 videodata->ime_thread_mgr = 0; | |
| 241 } | |
| 242 if (videodata->ime_com_initialized) | |
| 243 { | |
| 244 CoUninitialize(); | |
| 245 videodata->ime_com_initialized = SDL_FALSE; | |
| 246 } | |
| 247 videodata->ime_initialized = SDL_FALSE; | |
| 248 } | |
| 249 | |
| 250 SDL_bool | |
| 251 IME_HandleMessage(HWND hwnd, UINT msg, WPARAM wParam, LPARAM *lParam, SDL_VideoData *videodata) | |
| 252 { | |
| 253 SDL_bool trap = SDL_FALSE; | |
| 254 HIMC himc = 0; | |
| 255 WCHAR Buffer[SDL_TEXTINPUTEVENT_TEXT_SIZE / 2]; | |
| 256 if (!videodata->ime_initialized || !videodata->ime_available || !videodata->ime_enabled) | |
| 257 return SDL_FALSE; | |
| 258 | |
| 259 switch (msg) | |
| 260 { | |
| 261 case WM_INPUTLANGCHANGE: | |
| 262 break; | |
| 263 case WM_IME_SETCONTEXT: | |
| 264 *lParam = 0; | |
| 265 break; | |
| 266 case WM_IME_STARTCOMPOSITION: | |
| 267 trap = SDL_TRUE; | |
| 268 break; | |
| 269 case WM_IME_COMPOSITION: | |
| 270 trap = SDL_TRUE; | |
| 271 himc = ImmGetContext(hwnd); | |
| 272 if (*lParam & GCS_RESULTSTR) | |
| 273 { | |
| 274 LONG Length = 0; | |
| 275 char *s = 0; | |
| 276 Length = ImmGetCompositionStringW(himc, GCS_RESULTSTR, Buffer, sizeof(Buffer) * sizeof(Buffer[0])); | |
| 277 Buffer[Length / sizeof(Buffer[0])] = 0; | |
| 278 s = WIN_StringToUTF8(Buffer); | |
| 279 SDL_SendKeyboardText(s); | |
| 280 SDL_free(s); | |
| 281 } | |
| 282 if (*lParam & GCS_COMPSTR) | |
| 283 { | |
| 284 LONG Length = 0; | |
| 285 DWORD Cursor = 0; | |
| 286 char *s = 0; | |
| 287 Length = ImmGetCompositionStringW(himc, GCS_COMPSTR, Buffer, sizeof(Buffer) * sizeof(Buffer[0])); | |
| 288 Buffer[Length / sizeof(Buffer[0])] = 0; | |
| 289 s = WIN_StringToUTF8(Buffer); | |
| 290 Cursor = LOWORD(ImmGetCompositionStringW(himc, GCS_CURSORPOS, 0, 0)); | |
| 291 SDL_SendEditingText(s, Cursor, 0); | |
| 292 SDL_free(s); | |
| 293 } | |
| 294 ImmReleaseContext(hwnd, himc); | |
| 295 break; | |
| 296 case WM_IME_ENDCOMPOSITION: | |
| 297 SDL_SendKeyboardText(""); | |
| 298 break; | |
| 299 case WM_IME_NOTIFY: | |
| 300 switch (wParam) | |
| 301 { | |
| 302 case IMN_SETCONVERSIONMODE: | |
| 303 break; | |
| 304 case IMN_SETOPENSTATUS: | |
| 305 break; | |
| 306 case IMN_OPENCANDIDATE: | |
| 307 case IMN_CHANGECANDIDATE: | |
| 308 trap = SDL_TRUE; | |
| 309 break; | |
| 310 case IMN_CLOSECANDIDATE: | |
| 311 trap = SDL_TRUE; | |
| 312 break; | |
| 313 case IMN_PRIVATE: | |
| 314 break; | |
| 315 default: | |
| 316 trap = SDL_TRUE; | |
| 317 break; | |
| 318 } | |
| 319 break; | |
| 320 } | |
| 321 return trap; | |
| 322 } | |
| 323 | |
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324 /* vi: set ts=4 sw=4 expandtab: */ |