1 /* 2 * Copyright (c) 1999-2000, Eric Moon. 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 9 * 1. Redistributions of source code must retain the above copyright 10 * notice, this list of conditions, and the following disclaimer. 11 * 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 * 16 * 3. The name of the author may not be used to endorse or promote products 17 * derived from this software without specific prior written permission. 18 * 19 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR "AS IS" AND ANY EXPRESS OR 20 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 21 * OF TITLE, NON-INFRINGEMENT, MERCHANTABILITY AND FITNESS FOR A PARTICULAR 22 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY 23 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES 24 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; 25 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED 26 * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR 27 * TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 28 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 29 */ 30 31 32 // TipWindow.cpp 33 34 #include "TipWindow.h" 35 #include "TipView.h" 36 37 #include <Debug.h> 38 39 __USE_CORTEX_NAMESPACE 40 41 // -------------------------------------------------------- // 42 // *** dtor/ctors 43 // -------------------------------------------------------- // 44 45 TipWindow::~TipWindow() {} 46 TipWindow::TipWindow( 47 const char* text) : 48 BWindow( 49 BRect(0,0,0,0), 50 "TipWindow", 51 B_NO_BORDER_WINDOW_LOOK, 52 B_FLOATING_ALL_WINDOW_FEEL, 53 B_NOT_MOVABLE|B_AVOID_FOCUS/*, 54 B_ALL_WORKSPACES*/), 55 // the TipView is created on demand 56 m_tipView(0) { 57 58 if(text) 59 m_text = text; 60 } 61 62 63 // -------------------------------------------------------- // 64 // *** operations (LOCK REQUIRED) 65 // -------------------------------------------------------- // 66 67 const char* TipWindow::text() const { 68 return m_text.Length() ? 69 m_text.String() : 70 0; 71 } 72 73 void TipWindow::setText( 74 const char* text) { 75 76 if(!m_tipView) 77 _createTipView(); 78 79 m_text = text; 80 m_tipView->setText(text); 81 82 // size to fit view 83 float width, height; 84 m_tipView->GetPreferredSize(&width, &height); 85 m_tipView->ResizeTo(width, height); 86 ResizeTo(width, height); 87 88 m_tipView->Invalidate(); 89 } 90 91 // -------------------------------------------------------- // 92 // *** hooks 93 // -------------------------------------------------------- // 94 95 // override to substitute your own view class 96 TipView* TipWindow::createTipView() { 97 return new TipView; 98 } 99 100 // -------------------------------------------------------- // 101 // *** BWindow 102 // -------------------------------------------------------- // 103 104 // initializes the tip view 105 void TipWindow::Show() { 106 107 // initialize the tip view if necessary 108 if(!m_tipView) 109 _createTipView(); 110 111 _inherited::Show(); 112 } 113 114 // remove tip view? +++++ 115 void TipWindow::Hide() { 116 _inherited::Hide(); 117 } 118 119 120 // hides the window when the user switches workspaces 121 // +++++ should it be restored when the user switches back? 122 void TipWindow::WorkspaceActivated( 123 int32 workspace, 124 bool active) { 125 126 // don't confuse the user 127 if(!IsHidden()) 128 Hide(); 129 130 _inherited::WorkspaceActivated(workspace, active); 131 } 132 133 // -------------------------------------------------------- // 134 // implementation 135 // -------------------------------------------------------- // 136 137 void TipWindow::_createTipView() { 138 if(m_tipView) 139 _destroyTipView(); 140 m_tipView = createTipView(); 141 ASSERT(m_tipView); 142 143 AddChild(m_tipView); 144 145 if(m_text.Length()) 146 m_tipView->setText(m_text.String()); 147 else 148 m_tipView->setText("(no info)"); 149 } 150 151 void TipWindow::_destroyTipView() { 152 if(!m_tipView) 153 return; 154 RemoveChild(m_tipView); 155 delete m_tipView; 156 m_tipView = 0; 157 } 158 159 // END -- TipWindow.cpp -- 160