1 //------------------------------------------------------------------------------ 2 // Copyright (c) 2001-2002, OpenBeOS 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 // Author: Frans van Nispen (xlr8@tref.nl) 24 // Description: The BTextView derivative owned by an instance of 25 // BTextControl. 26 //------------------------------------------------------------------------------ 27 28 // Standard Includes ----------------------------------------------------------- 29 #include <stdio.h> 30 #include <stdlib.h> 31 #include <string.h> 32 33 // System Includes ------------------------------------------------------------- 34 #include <InterfaceDefs.h> 35 #include <TextControl.h> 36 #include <Window.h> 37 #include <Message.h> 38 #include <TextView.h> 39 40 // Project Includes ------------------------------------------------------------ 41 42 // Local Includes -------------------------------------------------------------- 43 #include "TextInput.h" 44 45 // Local Defines --------------------------------------------------------------- 46 47 // Globals --------------------------------------------------------------------- 48 49 50 //------------------------------------------------------------------------------ 51 _BTextInput_::_BTextInput_(BRect frame, BRect textRect, uint32 resizeMask, 52 uint32 flags) 53 : BTextView(frame, "_input_", textRect, resizeMask, flags), 54 fPreviousText(NULL), 55 fBool(false) 56 { 57 MakeResizable(true); 58 } 59 //------------------------------------------------------------------------------ 60 _BTextInput_::_BTextInput_(BMessage *archive) 61 : BTextView(archive), 62 fPreviousText(NULL), 63 fBool(false) 64 { 65 MakeResizable(true); 66 } 67 //------------------------------------------------------------------------------ 68 _BTextInput_::~_BTextInput_() 69 { 70 if (fPreviousText) 71 free(fPreviousText); 72 } 73 //------------------------------------------------------------------------------ 74 BArchivable *_BTextInput_::Instantiate(BMessage *archive) 75 { 76 if (validate_instantiation(archive, "_BTextInput_")) 77 return new _BTextInput_(archive); 78 else 79 return NULL; 80 } 81 //------------------------------------------------------------------------------ 82 status_t _BTextInput_::Archive(BMessage *data, bool deep) const 83 { 84 return BTextView::Archive(data, true); 85 } 86 //------------------------------------------------------------------------------ 87 void _BTextInput_::FrameResized(float width, float height) 88 { 89 BTextView::FrameResized(width, height); 90 AlignTextRect(); 91 } 92 //------------------------------------------------------------------------------ 93 void _BTextInput_::KeyDown(const char* bytes, int32 numBytes) 94 { 95 switch (*bytes) 96 { 97 case B_ENTER: 98 { 99 if (!TextControl()->IsEnabled()) 100 break; 101 102 if(strcmp(Text(), fPreviousText) != 0) 103 { 104 TextControl()->Invoke(); 105 free(fPreviousText); 106 fPreviousText = strdup(Text()); 107 } 108 109 SelectAll(); 110 break; 111 } 112 113 case B_TAB: 114 BView::KeyDown(bytes, numBytes); 115 break; 116 117 default: 118 BTextView::KeyDown(bytes, numBytes); 119 } 120 } 121 //------------------------------------------------------------------------------ 122 void _BTextInput_::MakeFocus(bool state) 123 { 124 if (state == IsFocus()) 125 return; 126 127 BTextView::MakeFocus(state); 128 129 if (state) 130 { 131 SetInitialText(); 132 133 fBool = true; 134 135 if (Window()) 136 { 137 BMessage *msg = Window()->CurrentMessage(); 138 139 if (msg && msg->what == B_KEY_DOWN) 140 SelectAll(); 141 } 142 } 143 else 144 { 145 if (strcmp(Text(), fPreviousText) != 0) 146 TextControl()->Invoke(); 147 148 free(fPreviousText); 149 fPreviousText = NULL; 150 fBool = false; 151 152 if (Window()) 153 { 154 BMessage *msg = Window()->CurrentMessage(); 155 156 if (msg && msg->what == B_MOUSE_DOWN) 157 { 158 Select(0, 0); 159 } 160 } 161 } 162 163 if (Window()) 164 { 165 Draw(Bounds()); 166 Flush(); 167 } 168 } 169 //------------------------------------------------------------------------------ 170 void _BTextInput_::AlignTextRect() 171 { 172 // TODO 173 } 174 //------------------------------------------------------------------------------ 175 void _BTextInput_::SetInitialText() 176 { 177 if (fPreviousText) 178 { 179 free(fPreviousText); 180 fPreviousText = NULL; 181 } 182 183 if (Text()) 184 fPreviousText = strdup(Text()); 185 } 186 //------------------------------------------------------------------------------ 187 void _BTextInput_::Paste(BClipboard *clipboard) 188 { 189 BTextView::Paste(clipboard); 190 Invalidate(); 191 } 192 //------------------------------------------------------------------------------ 193 void _BTextInput_::InsertText(const char *inText, int32 inLength, 194 int32 inOffset, const text_run_array *inRuns) 195 { 196 char *buffer = NULL; 197 198 if (strpbrk(inText, "\r\n") && inLength <= 1024) 199 { 200 buffer = (char*)malloc(inLength); 201 202 if (buffer) 203 { 204 strcpy(buffer, inText); 205 206 for (int32 i = 0; i < inLength; i++) 207 if (buffer[i] == '\r' || buffer[i] == '\n') 208 buffer[i] = ' '; 209 } 210 } 211 212 BTextView::InsertText(buffer ? buffer : inText, inLength, inOffset, 213 inRuns); 214 215 TextControl()->InvokeNotify(TextControl()->ModificationMessage(), 216 B_CONTROL_MODIFIED); 217 218 if (buffer) 219 free(buffer); 220 } 221 //------------------------------------------------------------------------------ 222 void _BTextInput_::DeleteText(int32 fromOffset, int32 toOffset) 223 { 224 BTextView::DeleteText(fromOffset, toOffset); 225 226 TextControl()->InvokeNotify(TextControl()->ModificationMessage(), 227 B_CONTROL_MODIFIED); 228 } 229 //------------------------------------------------------------------------------ 230 BTextControl *_BTextInput_::TextControl() 231 { 232 BTextControl *textControl; 233 234 if (Parent()) 235 textControl = dynamic_cast<BTextControl*>(Parent()); 236 else 237 textControl = NULL; 238 239 if (!textControl) 240 debugger("_BTextInput_ should have a BTextControl as parent"); 241 242 return textControl; 243 } 244 //------------------------------------------------------------------------------ 245