1 /* 2 Open Tracker License 3 4 Terms and Conditions 5 6 Copyright (c) 1991-2000, Be Incorporated. All rights reserved. 7 8 Permission is hereby granted, free of charge, to any person obtaining a copy of 9 this software and associated documentation files (the "Software"), to deal in 10 the Software without restriction, including without limitation the rights to 11 use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies 12 of the Software, and to permit persons to whom the Software is furnished to do 13 so, subject to the following conditions: 14 15 The above copyright notice and this permission notice applies to all licensees 16 and shall be included in all copies or substantial portions of the Software. 17 18 THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 19 IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF TITLE, MERCHANTABILITY, 20 FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL 21 BE INCORPORATED BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN 22 AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF, OR IN CONNECTION 23 WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. 24 25 Except as contained in this notice, the name of Be Incorporated shall not be 26 used in advertising or otherwise to promote the sale, use or other dealings in 27 this Software without prior written authorization from Be Incorporated. 28 29 Tracker(TM), Be(R), BeOS(R), and BeIA(TM) are trademarks or registered 30 trademarks of Be Incorporated in the United States and other countries. Other 31 brand product names are registered trademarks or trademarks of their respective 32 holders. 33 34 All rights reserved. 35 */ 36 37 38 #include "TruncatableMenuItem.h" 39 40 #include <StackOrHeapArray.h> 41 42 #include <stdlib.h> 43 44 #include "BarApp.h" 45 #include "BarView.h" 46 #include "TeamMenuItem.h" 47 48 49 const float kVPad = 2.0f; 50 const float kSwitchWidth = 12.0f; 51 52 53 // #pragma mark - TTruncatableMenuItem 54 55 56 TTruncatableMenuItem::TTruncatableMenuItem(const char* label, BMessage* message, 57 char shortcut, uint32 modifiers) 58 : 59 BMenuItem(label, message, shortcut, modifiers) 60 { 61 fTruncatedString = label; 62 } 63 64 65 TTruncatableMenuItem::TTruncatableMenuItem(BMenu* menu, BMessage* message) 66 : 67 BMenuItem(menu, message) 68 { 69 } 70 71 72 TTruncatableMenuItem::TTruncatableMenuItem(BMessage* data) 73 : 74 BMenuItem(data) 75 { 76 } 77 78 79 TTruncatableMenuItem::~TTruncatableMenuItem() 80 { 81 } 82 83 84 const char* 85 TTruncatableMenuItem::Label() 86 { 87 return BMenuItem::Label(); 88 } 89 90 91 const char* 92 TTruncatableMenuItem::Label(float width) 93 { 94 BMenu* menu = Menu(); 95 96 float maxWidth = menu->MaxContentWidth() - kVPad * 2; 97 if (dynamic_cast<TTeamMenuItem*>(this) != NULL 98 && static_cast<TBarApp*>(be_app)->BarView()->Vertical() 99 && static_cast<TBarApp*>(be_app)->Settings()->superExpando) { 100 maxWidth -= kSwitchWidth; 101 } 102 103 const char* label = Label(); 104 if (width > 0 && maxWidth > 0 && width > maxWidth) { 105 BStackOrHeapArray<char, 128> truncatedLabel(strlen(label) + 4); 106 if (truncatedLabel.IsValid()) { 107 float labelWidth = menu->StringWidth(label); 108 float offset = width - labelWidth; 109 TruncateLabel(maxWidth - offset, truncatedLabel); 110 fTruncatedString.SetTo(truncatedLabel); 111 return fTruncatedString.String(); 112 } 113 } 114 115 fTruncatedString.SetTo(label); 116 117 return label; 118 } 119 120 121 void 122 TTruncatableMenuItem::SetLabel(const char* label) 123 { 124 fTruncatedString.SetTo(label); 125 126 BMenuItem::SetLabel(label); 127 } 128