Mercurial > projects > dwt-win
annotate dwt/widgets/IME.d @ 214:a8fed3e56433
Fix link error and added missing switch defaults
| author | Frank Benoit <benoit@tionex.de> |
|---|---|
| date | Sat, 17 May 2008 19:23:59 +0200 |
| parents | 36f5cb12e1a2 |
| children | fd9c62a2998e |
| rev | line source |
|---|---|
| 213 | 1 /******************************************************************************* |
| 2 * Copyright (c) 2007 IBM Corporation and others. | |
| 3 * All rights reserved. This program and the accompanying materials | |
| 4 * are made available under the terms of the Eclipse Public License v1.0 | |
| 5 * which accompanies this distribution, and is available at | |
| 6 * http://www.eclipse.org/legal/epl-v10.html | |
| 7 * | |
| 8 * Contributors: | |
| 9 * IBM Corporation - initial API and implementation | |
| 10 *******************************************************************************/ | |
| 11 module dwt.widgets.IME; | |
| 12 | |
| 13 | |
| 14 import dwt.DWT; | |
| 15 import dwt.graphics.Color; | |
| 16 import dwt.graphics.TextStyle; | |
| 17 import dwt.internal.win32.OS; | |
| 18 import dwt.internal.win32.WINTYPES; | |
| 19 | |
| 20 import dwt.widgets.Widget; | |
| 21 import dwt.widgets.Canvas; | |
| 22 import dwt.widgets.Event; | |
| 23 import dwt.widgets.Display; | |
| 24 | |
| 25 import dwt.dwthelper.utils; | |
| 26 | |
| 27 /** | |
| 28 * TODO - JAVA DOC | |
| 29 * | |
| 30 * <dl> | |
| 31 * <dt><b>Styles:</b></dt> | |
| 32 * <dd>(none)</dd> | |
| 33 * <dt><b>Events:</b></dt> | |
| 34 * <dd>(none)</dd> | |
| 35 * </dl> | |
| 36 * <p> | |
| 37 * . | |
| 38 * </p> | |
| 39 * | |
| 40 * @since 3.4 | |
| 41 */ | |
| 42 | |
| 43 public class IME : Widget { | |
| 44 Canvas parent; | |
| 45 int caretOffset; | |
| 46 int startOffset; | |
| 47 int commitCount; | |
| 48 String text; | |
| 49 int [] ranges; | |
| 50 TextStyle [] styles; | |
| 51 | |
| 52 static const int WM_MSIME_MOUSE; | |
| 53 | |
| 54 static byte [16] IID_ITfInputProcessorProfiles; | |
| 55 static byte [16] IID_ITfDisplayAttributeProvider; | |
| 56 static byte [16] CLSID_TF_InputProcessorProfiles; | |
| 57 static byte [16] GUID_TFCAT_TIP_KEYBOARD; | |
| 58 static this() { | |
| 59 WM_MSIME_MOUSE = OS.RegisterWindowMessage (StrToTCHARz ("MSIMEMouseOperation")); | |
| 60 | |
| 61 OS.IIDFromString ("{1F02B6C5-7842-4EE6-8A0B-9A24183A95CA}\0"w.ptr, IID_ITfInputProcessorProfiles.ptr); | |
| 62 OS.IIDFromString ("{fee47777-163c-4769-996a-6e9c50ad8f54}\0"w.ptr, IID_ITfDisplayAttributeProvider.ptr); | |
| 63 OS.IIDFromString ("{33C53A50-F456-4884-B049-85FD643ECFED}\0"w.ptr, CLSID_TF_InputProcessorProfiles.ptr); | |
| 64 OS.IIDFromString ("{34745C63-B2F0-4784-8B67-5E12C8701A31}\0"w.ptr, GUID_TFCAT_TIP_KEYBOARD.ptr); | |
| 65 } | |
| 66 | |
| 67 /* TextLayout has a copy of these constants */ | |
| 68 static const int UNDERLINE_IME_DOT = 1 << 16; | |
| 69 static const int UNDERLINE_IME_DASH = 2 << 16; | |
| 70 static const int UNDERLINE_IME_THICK = 3 << 16; | |
| 71 | |
| 72 /** | |
| 73 * Prevents uninitialized instances from being created outside the package. | |
| 74 */ | |
| 75 this () { | |
| 76 } | |
| 77 | |
| 78 /** | |
| 79 * | |
| 80 * @see DWT | |
| 81 */ | |
| 82 public this (Canvas parent, int style) { | |
| 83 super (parent, style); | |
| 84 this.parent = parent; | |
| 85 createWidget (); | |
| 86 } | |
| 87 | |
| 88 void createWidget () { | |
| 89 text = ""; | |
| 90 startOffset = -1; | |
| 91 if (parent.getIME () is null) { | |
| 92 parent.setIME (this); | |
| 93 } | |
| 94 } | |
| 95 | |
| 96 public int getCaretOffset () { | |
| 97 checkWidget (); | |
| 98 return startOffset + caretOffset; | |
| 99 } | |
| 100 | |
| 101 public int getCommitCount () { | |
| 102 checkWidget (); | |
| 103 return commitCount; | |
| 104 } | |
| 105 | |
| 106 public int getCompositionOffset () { | |
| 107 checkWidget (); | |
| 108 return startOffset; | |
| 109 } | |
| 110 | |
| 111 TF_DISPLAYATTRIBUTE* getDisplayAttribute (short langid, int attInfo) { | |
| 112 void* pProfiles; | |
| 113 int hr = OS.CoCreateInstance (CLSID_TF_InputProcessorProfiles.ptr, null, OS.CLSCTX_INPROC_SERVER, IID_ITfInputProcessorProfiles.ptr, &pProfiles); | |
| 114 TF_DISPLAYATTRIBUTE* pda; | |
| 115 if (hr is OS.S_OK) { | |
| 116 byte [16] pclsid; | |
| 117 byte [16] pguidProfile; | |
| 118 /* pProfiles.GetDefaultLanguageProfile () */ | |
| 119 hr = OS.VtblCall (8, pProfiles, cast(int)langid, cast(int)GUID_TFCAT_TIP_KEYBOARD.ptr, cast(int)pclsid.ptr, cast(int)pguidProfile.ptr); | |
| 120 if (hr is OS.S_OK) { | |
| 121 void* pProvider; | |
| 122 hr = OS.CoCreateInstance (pclsid.ptr, null, OS.CLSCTX_INPROC_SERVER, IID_ITfDisplayAttributeProvider.ptr, &pProvider); | |
| 123 if (hr is OS.S_OK) { | |
| 124 void* pEnum; | |
| 125 /* pProvider.EnumDisplayAttributeInfo () */ | |
| 126 hr = OS.VtblCall (3, pProvider, cast(int)&pEnum); | |
| 127 if (hr is OS.S_OK) { | |
| 128 void* pDispInfo; | |
| 129 TF_DISPLAYATTRIBUTE* tempPda; | |
| 130 /* pEnum.Next () */ | |
| 131 while ((hr = OS.VtblCall (4, pEnum, 1, cast(int) &pDispInfo, 0 )) is OS.S_OK) { | |
| 132 /* pDispInfo.GetAttributeInfo(); */ | |
| 133 OS.VtblCall (5, pDispInfo, cast(int)&tempPda); | |
| 134 /* pDispInfo.Release () */ | |
| 135 OS.VtblCall (2, pDispInfo); | |
| 136 if (tempPda.bAttr is attInfo) { | |
| 137 pda = tempPda; | |
| 138 break; | |
| 139 } | |
| 140 } | |
| 141 /* pEnum.Release () */ | |
| 142 hr = OS.VtblCall (2, pEnum); | |
| 143 } | |
| 144 /* pProvider.Release () */ | |
| 145 hr = OS.VtblCall (2, pProvider); | |
| 146 } | |
| 147 } | |
| 148 /* pProfiles.Release () */ | |
| 149 hr = OS.VtblCall (2, pProfiles); | |
| 150 } | |
| 151 if (pda is null) { | |
| 152 pda = new TF_DISPLAYATTRIBUTE (); | |
| 153 switch (attInfo) { | |
| 154 case OS.TF_ATTR_INPUT: | |
| 155 pda.lsStyle = OS.TF_LS_SQUIGGLE; | |
| 156 break; | |
| 157 case OS.TF_ATTR_CONVERTED: | |
| 158 case OS.TF_ATTR_TARGET_CONVERTED: | |
| 159 pda.lsStyle = OS.TF_LS_SOLID; | |
| 160 pda.fBoldLine = attInfo is OS.TF_ATTR_TARGET_CONVERTED; | |
| 161 break; | |
|
214
a8fed3e56433
Fix link error and added missing switch defaults
Frank Benoit <benoit@tionex.de>
parents:
213
diff
changeset
|
162 default: |
| 213 | 163 } |
| 164 } | |
| 165 return pda; | |
| 166 } | |
| 167 | |
| 168 public int [] getRanges () { | |
| 169 checkWidget (); | |
| 170 if (ranges is null) return new int [0]; | |
| 171 int [] result = new int [ranges.length]; | |
| 172 for (int i = 0; i < result.length; i++) { | |
| 173 result [i] = ranges [i] + startOffset; | |
| 174 } | |
| 175 return result; | |
| 176 } | |
| 177 | |
| 178 public TextStyle [] getStyles () { | |
| 179 checkWidget (); | |
| 180 if (styles is null) return new TextStyle [0]; | |
| 181 TextStyle [] result = new TextStyle [styles.length]; | |
| 182 System.arraycopy (styles, 0, result, 0, styles.length); | |
| 183 return result; | |
| 184 } | |
| 185 | |
| 186 public String getText () { | |
| 187 checkWidget (); | |
| 188 return text; | |
| 189 } | |
| 190 | |
| 191 public bool getWideCaret() { | |
| 192 checkWidget (); | |
| 193 auto layout = OS.GetKeyboardLayout (0); | |
| 194 short langID = cast(short)OS.LOWORD ( cast(int) layout); | |
| 195 return OS.PRIMARYLANGID (langID) is OS.LANG_KOREAN; | |
| 196 } | |
| 197 | |
| 198 bool isInlineEnabled () { | |
| 199 if (OS.IsWinCE || OS.WIN32_VERSION < OS.VERSION (5, 1)) return false; | |
| 200 return OS.IsDBLocale && hooks (DWT.ImeComposition); | |
| 201 } | |
| 202 | |
| 203 void releaseParent () { | |
| 204 super.releaseParent (); | |
| 205 if (this is parent.getIME ()) parent.setIME (null); | |
| 206 } | |
| 207 | |
| 208 void releaseWidget () { | |
| 209 super.releaseWidget (); | |
| 210 parent = null; | |
| 211 text = null; | |
| 212 styles = null; | |
| 213 ranges = null; | |
| 214 } | |
| 215 | |
| 216 public void setCompositionOffset (int offset) { | |
| 217 checkWidget (); | |
| 218 if (offset < 0) return; | |
| 219 if (startOffset !is -1) { | |
| 220 startOffset = offset; | |
| 221 } | |
| 222 } | |
| 223 | |
| 224 LRESULT WM_IME_COMPOSITION (int /*long*/ wParam, int /*long*/ lParam) { | |
| 225 if (!isInlineEnabled ()) return null; | |
| 226 ranges = null; | |
| 227 styles = null; | |
| 228 caretOffset = commitCount = 0; | |
| 229 auto hwnd = parent.handle; | |
| 230 auto hIMC = OS.ImmGetContext (hwnd); | |
| 231 int codePage = parent.getCodePage (); | |
| 232 if (hIMC !is null) { | |
| 233 TCHAR[] buffer = null; | |
| 234 if ((lParam & OS.GCS_RESULTSTR) !is 0) { | |
| 235 int length_ = OS.ImmGetCompositionString (hIMC, OS.GCS_RESULTSTR, null, 0); | |
| 236 if (length_ > 0) { | |
| 237 buffer = NewTCHARs (codePage, length_ / TCHAR.sizeof); | |
| 238 OS.ImmGetCompositionString (hIMC, OS.GCS_RESULTSTR, buffer.ptr, length_); | |
| 239 if (startOffset is -1) { | |
| 240 Event event = new Event (); | |
| 241 event.detail = DWT.COMPOSITION_SELECTION; | |
| 242 sendEvent (DWT.ImeComposition, event); | |
| 243 startOffset = event.start; | |
| 244 } | |
| 245 Event event = new Event (); | |
| 246 event.detail = DWT.COMPOSITION_CHANGED; | |
| 247 event.start = startOffset; | |
| 248 event.end = startOffset + text.length; | |
| 249 event.text = text = buffer !is null ? TCHARsToStr(buffer) : ""; | |
| 250 commitCount = text.length ; | |
| 251 sendEvent (DWT.ImeComposition, event); | |
| 252 String chars = text; | |
| 253 text = ""; | |
| 254 startOffset = -1; | |
| 255 commitCount = 0; | |
| 256 if (event.doit) { | |
| 257 Display display = this.display; | |
| 258 display.lastKey = 0; | |
| 259 display.lastVirtual = display.lastNull = display.lastDead = false; | |
| 260 length_ = chars.length; | |
| 261 for (int i = 0; i < length_; i++) { | |
| 262 char c = chars.charAt (i); | |
| 263 display.lastAscii = c; | |
| 264 event = new Event (); | |
| 265 event.character = c; | |
| 266 parent.sendEvent (DWT.KeyDown, event); | |
| 267 } | |
| 268 } | |
| 269 } | |
| 270 if ((lParam & OS.GCS_COMPSTR) is 0) return LRESULT.ONE; | |
| 271 } | |
| 272 buffer = null; | |
| 273 if ((lParam & OS.GCS_COMPSTR) !is 0) { | |
| 274 int length_ = OS.ImmGetCompositionString (hIMC, OS.GCS_COMPSTR, null, 0); | |
| 275 if (length_ > 0) { | |
| 276 buffer = NewTCHARs (codePage, length_ / TCHAR.sizeof); | |
| 277 OS.ImmGetCompositionString (hIMC, OS.GCS_COMPSTR, buffer.ptr, length_); | |
| 278 if ((lParam & OS.GCS_CURSORPOS) !is 0) { | |
| 279 caretOffset = OS.ImmGetCompositionString (hIMC, OS.GCS_CURSORPOS, null, 0); | |
| 280 } | |
| 281 int [] clauses = null; | |
| 282 if ((lParam & OS.GCS_COMPCLAUSE) !is 0) { | |
| 283 length_ = OS.ImmGetCompositionStringW (hIMC, OS.GCS_COMPCLAUSE, /+cast(int [])+/null, 0); | |
| 284 if (length_ > 0) { | |
| 285 clauses = new int [length_ / 4]; | |
| 286 OS.ImmGetCompositionStringW (hIMC, OS.GCS_COMPCLAUSE, clauses.ptr, length_); | |
| 287 } | |
| 288 } | |
| 289 if ((lParam & OS.GCS_COMPATTR) !is 0 && clauses !is null) { | |
| 290 length_ = OS.ImmGetCompositionStringA (hIMC, OS.GCS_COMPATTR, /+cast(byte [])+/null, 0); | |
| 291 if (length_ > 0) { | |
| 292 byte [] attrs = new byte [length_]; | |
| 293 OS.ImmGetCompositionStringA (hIMC, OS.GCS_COMPATTR, attrs.ptr, length_); | |
| 294 length_ = clauses.length - 1; | |
| 295 ranges = new int [length_ * 2]; | |
| 296 styles = new TextStyle [length_]; | |
| 297 auto layout = OS.GetKeyboardLayout (0); | |
| 298 short langID = cast(short)OS.LOWORD ( cast(int) layout); | |
| 299 TF_DISPLAYATTRIBUTE* attr = null; | |
| 300 TextStyle style = null; | |
| 301 for (int i = 0; i < length_; i++) { | |
| 302 ranges [i * 2] = clauses [i]; | |
| 303 ranges [i * 2 + 1] = clauses [i + 1] - 1; | |
| 304 styles [i] = style = new TextStyle (); | |
| 305 attr = getDisplayAttribute (langID, attrs [clauses [i]]); | |
| 306 if (attr !is null) { | |
| 307 switch (attr.crText.type) { | |
| 308 case OS.TF_CT_COLORREF: | |
| 309 style.foreground = Color.win32_new (display, attr.crText.cr); | |
| 310 break; | |
| 311 case OS.TF_CT_SYSCOLOR: | |
| 312 int colorRef = OS.GetSysColor (attr.crText.cr); | |
| 313 style.foreground = Color.win32_new (display, colorRef); | |
| 314 break; | |
|
214
a8fed3e56433
Fix link error and added missing switch defaults
Frank Benoit <benoit@tionex.de>
parents:
213
diff
changeset
|
315 default: |
| 213 | 316 } |
| 317 switch (attr.crBk.type) { | |
| 318 case OS.TF_CT_COLORREF: | |
| 319 style.background = Color.win32_new (display, attr.crBk.cr); | |
| 320 break; | |
| 321 case OS.TF_CT_SYSCOLOR: | |
| 322 int colorRef = OS.GetSysColor (attr.crBk.cr); | |
| 323 style.background = Color.win32_new (display, colorRef); | |
| 324 break; | |
|
214
a8fed3e56433
Fix link error and added missing switch defaults
Frank Benoit <benoit@tionex.de>
parents:
213
diff
changeset
|
325 default: |
| 213 | 326 } |
| 327 switch (attr.crLine.type) { | |
| 328 case OS.TF_CT_COLORREF: | |
| 329 style.underlineColor = Color.win32_new (display, attr.crLine.cr); | |
| 330 break; | |
| 331 case OS.TF_CT_SYSCOLOR: | |
| 332 int colorRef = OS.GetSysColor (attr.crLine.cr); | |
| 333 style.underlineColor = Color.win32_new (display, colorRef); | |
| 334 break; | |
|
214
a8fed3e56433
Fix link error and added missing switch defaults
Frank Benoit <benoit@tionex.de>
parents:
213
diff
changeset
|
335 default: |
| 213 | 336 } |
| 337 style.underline = attr.lsStyle !is OS.TF_LS_NONE; | |
| 338 switch (attr.lsStyle) { | |
| 339 case OS.TF_LS_SQUIGGLE: | |
| 340 style.underlineStyle = DWT.UNDERLINE_SQUIGGLE; | |
| 341 break; | |
| 342 case OS.TF_LS_DASH: | |
| 343 style.underlineStyle = UNDERLINE_IME_DASH; | |
| 344 break; | |
| 345 case OS.TF_LS_DOT: | |
| 346 style.underlineStyle = UNDERLINE_IME_DOT; | |
| 347 break; | |
| 348 case OS.TF_LS_SOLID: | |
| 349 style.underlineStyle = attr.fBoldLine ? UNDERLINE_IME_THICK : DWT.UNDERLINE_SINGLE; | |
| 350 break; | |
|
214
a8fed3e56433
Fix link error and added missing switch defaults
Frank Benoit <benoit@tionex.de>
parents:
213
diff
changeset
|
351 default: |
| 213 | 352 } |
| 353 } | |
| 354 } | |
| 355 } | |
| 356 } | |
| 357 } | |
| 358 OS.ImmReleaseContext (hwnd, hIMC); | |
| 359 } | |
| 360 int end = startOffset + text.length; | |
| 361 if (startOffset is -1) { | |
| 362 Event event = new Event (); | |
| 363 event.detail = DWT.COMPOSITION_SELECTION; | |
| 364 sendEvent (DWT.ImeComposition, event); | |
| 365 startOffset = event.start; | |
| 366 end = event.end; | |
| 367 } | |
| 368 Event event = new Event (); | |
| 369 event.detail = DWT.COMPOSITION_CHANGED; | |
| 370 event.start = startOffset; | |
| 371 event.end = end; | |
| 372 event.text = text = buffer !is null ? TCHARsToStr(buffer) : ""; | |
| 373 sendEvent (DWT.ImeComposition, event); | |
| 374 if (text.length is 0) { | |
| 375 startOffset = -1; | |
| 376 ranges = null; | |
| 377 styles = null; | |
| 378 } | |
| 379 } | |
| 380 return LRESULT.ONE; | |
| 381 } | |
| 382 | |
| 383 LRESULT WM_IME_COMPOSITION_START (int /*long*/ wParam, int /*long*/ lParam) { | |
| 384 return isInlineEnabled () ? LRESULT.ONE : null; | |
| 385 } | |
| 386 | |
| 387 LRESULT WM_IME_ENDCOMPOSITION (int /*long*/ wParam, int /*long*/ lParam) { | |
| 388 return isInlineEnabled () ? LRESULT.ONE : null; | |
| 389 } | |
| 390 | |
| 391 LRESULT WM_KILLFOCUS (int /*long*/ wParam, int /*long*/ lParam) { | |
| 392 if (!isInlineEnabled ()) return null; | |
| 393 auto hwnd = parent.handle; | |
| 394 auto hIMC = OS.ImmGetContext (hwnd); | |
| 395 if (hIMC !is null) { | |
| 396 if (OS.ImmGetOpenStatus (hIMC)) { | |
| 397 OS.ImmNotifyIME (hIMC, OS.NI_COMPOSITIONSTR, OS.CPS_COMPLETE, 0); | |
| 398 } | |
| 399 OS.ImmReleaseContext (hwnd, hIMC); | |
| 400 } | |
| 401 return null; | |
| 402 } | |
| 403 | |
| 404 LRESULT WM_LBUTTONDOWN (int /*long*/ wParam, int /*long*/ lParam) { | |
| 405 if (!isInlineEnabled ()) return null; | |
| 406 auto hwnd = parent.handle; | |
| 407 auto hIMC = OS.ImmGetContext (hwnd); | |
| 408 if (hIMC !is null) { | |
| 409 if (OS.ImmGetOpenStatus (hIMC)) { | |
| 410 if (OS.ImmGetCompositionString (hIMC, OS.GCS_COMPSTR, null, 0) > 0) { | |
| 411 Event event = new Event (); | |
| 412 event.detail = DWT.COMPOSITION_OFFSET; | |
| 413 event.x = OS.GET_X_LPARAM (lParam); | |
| 414 event.y = OS.GET_Y_LPARAM (lParam); | |
| 415 sendEvent (DWT.ImeComposition, event); | |
| 416 int offset = event.index; | |
| 417 int length_ = text.length; | |
| 418 if (offset !is -1 && startOffset !is -1 && startOffset <= offset && offset < startOffset + length_) { | |
| 419 auto imeWnd = OS.ImmGetDefaultIMEWnd (hwnd); | |
| 420 offset = event.index + event.count - startOffset; | |
| 421 int trailing = event.count > 0 ? 1 : 2; | |
| 422 int /*long*/ param = OS.MAKEWPARAM (OS.MAKEWORD (OS.IMEMOUSE_LDOWN, trailing), offset); | |
| 423 OS.SendMessage (imeWnd, WM_MSIME_MOUSE, param, hIMC); | |
| 424 } else { | |
| 425 OS.ImmNotifyIME (hIMC, OS.NI_COMPOSITIONSTR, OS.CPS_COMPLETE, 0); | |
| 426 } | |
| 427 } | |
| 428 } | |
| 429 OS.ImmReleaseContext (hwnd, hIMC); | |
| 430 } | |
| 431 return null; | |
| 432 } | |
| 433 | |
| 434 } |