1 //------------------------------------------------------------------------------ 2 // Copyright (c) 2001-2004, Haiku, Inc. 3 // 4 // Permission is hereby granted, free of charge, to any person obtaining a 5 // copy of this software and associated documentation files (the "Software"), 6 // to deal in the Software without restriction, including without limitation 7 // the rights to use, copy, modify, merge, publish, distribute, sublicense, 8 // and/or sell copies of the Software, and to permit persons to whom the 9 // Software is furnished to do so, subject to the following conditions: 10 // 11 // The above copyright notice and this permission notice shall be included in 12 // all copies or substantial portions of the Software. 13 // 14 // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 15 // IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 16 // FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE 17 // AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER 18 // LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING 19 // FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER 20 // DEALINGS IN THE SOFTWARE. 21 // 22 // File Name: TextInput.cpp 23 // Authors: Frans van Nispen (xlr8@tref.nl) 24 // Marc Flerackers (mflerackers@androme.be) 25 // Description: The BTextView derivative owned by an instance of 26 // BTextControl. 27 //------------------------------------------------------------------------------ 28 #include <stdio.h> 29 #include <stdlib.h> 30 #include <string.h> 31 32 #include <InterfaceDefs.h> 33 #include <Message.h> 34 #include <TextControl.h> 35 #include <TextView.h> 36 #include <Window.h> 37 38 #include "TextInput.h" 39 40 41 _BTextInput_::_BTextInput_(BRect frame, BRect textRect, uint32 resizeMask, 42 uint32 flags) 43 : BTextView(frame, "_input_", textRect, resizeMask, flags), 44 fPreviousText(NULL), 45 fBool(false) 46 { 47 MakeResizable(true); 48 } 49 50 51 _BTextInput_::_BTextInput_(BMessage *archive) 52 : BTextView(archive), 53 fPreviousText(NULL), 54 fBool(false) 55 { 56 MakeResizable(true); 57 } 58 59 60 _BTextInput_::~_BTextInput_() 61 { 62 free(fPreviousText); 63 } 64 65 66 BArchivable * 67 _BTextInput_::Instantiate(BMessage *archive) 68 { 69 if (validate_instantiation(archive, "_BTextInput_")) 70 return new _BTextInput_(archive); 71 else 72 return NULL; 73 } 74 75 76 status_t 77 _BTextInput_::Archive(BMessage *data, bool deep) const 78 { 79 return BTextView::Archive(data, true); 80 } 81 82 83 void 84 _BTextInput_::FrameResized(float width, float height) 85 { 86 BTextView::FrameResized(width, height); 87 AlignTextRect(); 88 } 89 90 91 void 92 _BTextInput_::KeyDown(const char* bytes, int32 numBytes) 93 { 94 switch (*bytes) { 95 case B_ENTER: 96 { 97 if (!TextControl()->IsEnabled()) 98 break; 99 100 if(strcmp(Text(), fPreviousText) != 0) { 101 TextControl()->Invoke(); 102 free(fPreviousText); 103 fPreviousText = strdup(Text()); 104 } 105 106 SelectAll(); 107 break; 108 } 109 110 case B_TAB: 111 BView::KeyDown(bytes, numBytes); 112 break; 113 114 default: 115 BTextView::KeyDown(bytes, numBytes); 116 break; 117 } 118 } 119 120 121 void 122 _BTextInput_::MakeFocus(bool state) 123 { 124 if (state == IsFocus()) 125 return; 126 127 BTextView::MakeFocus(state); 128 129 if (state) { 130 SetInitialText(); 131 132 fBool = true; 133 134 if (Window()) { 135 BMessage *message = Window()->CurrentMessage(); 136 137 if (message && message->what == B_KEY_DOWN) 138 SelectAll(); 139 } 140 } else { 141 if (strcmp(Text(), fPreviousText) != 0) 142 TextControl()->Invoke(); 143 144 free(fPreviousText); 145 fPreviousText = NULL; 146 fBool = false; 147 148 if (Window()) { 149 BMessage *message = Window()->CurrentMessage(); 150 151 if (message && message->what == B_MOUSE_DOWN) 152 Select(0, 0); 153 } 154 } 155 156 if (Window()) { 157 Draw(Bounds()); 158 Flush(); 159 } 160 } 161 162 163 void 164 _BTextInput_::AlignTextRect() 165 { 166 // TODO 167 } 168 169 170 void 171 _BTextInput_::SetInitialText() 172 { 173 if (fPreviousText) { 174 free(fPreviousText); 175 fPreviousText = NULL; 176 } 177 178 if (Text()) 179 fPreviousText = strdup(Text()); 180 } 181 182 183 void 184 _BTextInput_::Paste(BClipboard *clipboard) 185 { 186 BTextView::Paste(clipboard); 187 Invalidate(); 188 } 189 190 191 void 192 _BTextInput_::InsertText(const char *inText, int32 inLength, 193 int32 inOffset, const text_run_array *inRuns) 194 { 195 char *buffer = NULL; 196 197 if (strpbrk(inText, "\r\n") && inLength <= 1024) { 198 buffer = (char *)malloc(inLength); 199 200 if (buffer) { 201 strcpy(buffer, inText); 202 203 for (int32 i = 0; i < inLength; i++) 204 if (buffer[i] == '\r' || buffer[i] == '\n') 205 buffer[i] = ' '; 206 } 207 } 208 209 BTextView::InsertText(buffer ? buffer : inText, inLength, inOffset, 210 inRuns); 211 212 TextControl()->InvokeNotify(TextControl()->ModificationMessage(), 213 B_CONTROL_MODIFIED); 214 215 free(buffer); 216 } 217 218 219 void 220 _BTextInput_::DeleteText(int32 fromOffset, int32 toOffset) 221 { 222 BTextView::DeleteText(fromOffset, toOffset); 223 224 TextControl()->InvokeNotify(TextControl()->ModificationMessage(), 225 B_CONTROL_MODIFIED); 226 } 227 228 229 BTextControl * 230 _BTextInput_::TextControl() 231 { 232 BTextControl *textControl = NULL; 233 234 if (Parent()) 235 textControl = dynamic_cast<BTextControl*>(Parent()); 236 237 if (!textControl) 238 debugger("_BTextInput_ should have a BTextControl as parent"); 239 240 return textControl; 241 } 242