1 // TSComposingBuffer.h: Composing buffer object for text service component 2 // 3 // Copyright (c) 2004-2006 The OpenVanilla Project (http://openvanilla.org) 4 // All rights reserved. 5 // 6 // Redistribution and use in source and binary forms, with or without 7 // modification, are permitted provided that the following conditions 8 // are met: 9 // 10 // 1. Redistributions of source code must retain the above copyright 11 // notice, this list of conditions and the following disclaimer. 12 // 2. Redistributions in binary form must reproduce the above copyright 13 // notice, this list of conditions and the following disclaimer in the 14 // documentation and/or other materials provided with the distribution. 15 // 3. Neither the name of OpenVanilla nor the names of its contributors 16 // may be used to endorse or promote products derived from this software 17 // without specific prior written permission. 18 // 19 // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" 20 // AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 21 // IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 22 // ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE 23 // LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 24 // CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 25 // SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 26 // INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 27 // CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 28 // ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 29 // POSSIBILITY OF SUCH DAMAGE. 30 31 #ifndef __TSComposingBuffer_h 32 #define __TSComposingBuffer_h 33 34 class TSComposingBuffer 35 { 36 public: 37 TSComposingBuffer(ComponentInstance i); 38 ~TSComposingBuffer(); 39 TSComposingBuffer* clear(); 40 TSComposingBuffer* send(); 41 TSComposingBuffer* update(Boolean send=FALSE, int cursor=-1, 42 int markFrom=-1, int markTo=-1); 43 TSComposingBuffer* append(NSString* s); 44 Boolean isEmpty(); 45 46 Point getAppCursorPosition(); 47 NSMutableString* getContent(); 48 49 protected: 50 int realPos(int p); // convert codepoint pos to real UniChar position 51 ComponentInstance inst; 52 53 int lastupdate; 54 NSMutableString* str; 55 }; 56 57 #endif 58