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 // Locale Kit 39 #undef B_CATALOG 40 #define B_CATALOG (&sCatalog) 41 #include <Catalog.h> 42 43 #undef B_TRANSLATION_CONTEXT 44 #define B_TRANSLATION_CONTEXT "TipWindow" 45 46 __USE_CORTEX_NAMESPACE 47 48 static BCatalog sCatalog("x-vnd.Cortex.TipManager"); 49 50 // -------------------------------------------------------- // 51 // *** dtor/ctors 52 // -------------------------------------------------------- // 53 54 TipWindow::~TipWindow() {} 55 TipWindow::TipWindow( 56 const char* text) : 57 BWindow( 58 BRect(0,0,0,0), 59 "TipWindow", 60 B_NO_BORDER_WINDOW_LOOK, 61 B_FLOATING_ALL_WINDOW_FEEL, 62 B_NOT_MOVABLE|B_AVOID_FOCUS/*, 63 B_ALL_WORKSPACES*/), 64 // the TipView is created on demand 65 m_tipView(0) { 66 67 if(text) 68 m_text = text; 69 } 70 71 72 // -------------------------------------------------------- // 73 // *** operations (LOCK REQUIRED) 74 // -------------------------------------------------------- // 75 76 const char* TipWindow::text() const { 77 return m_text.Length() ? 78 m_text.String() : 79 0; 80 } 81 82 void TipWindow::setText( 83 const char* text) { 84 85 if(!m_tipView) 86 _createTipView(); 87 88 m_text = text; 89 m_tipView->setText(text); 90 91 // size to fit view 92 float width, height; 93 m_tipView->GetPreferredSize(&width, &height); 94 m_tipView->ResizeTo(width, height); 95 ResizeTo(width, height); 96 97 m_tipView->Invalidate(); 98 } 99 100 // -------------------------------------------------------- // 101 // *** hooks 102 // -------------------------------------------------------- // 103 104 // override to substitute your own view class 105 TipView* TipWindow::createTipView() { 106 return new TipView; 107 } 108 109 // -------------------------------------------------------- // 110 // *** BWindow 111 // -------------------------------------------------------- // 112 113 // initializes the tip view 114 void TipWindow::Show() { 115 116 // initialize the tip view if necessary 117 if(!m_tipView) 118 _createTipView(); 119 120 _inherited::Show(); 121 } 122 123 // remove tip view? +++++ 124 void TipWindow::Hide() { 125 _inherited::Hide(); 126 } 127 128 129 // hides the window when the user switches workspaces 130 // +++++ should it be restored when the user switches back? 131 void TipWindow::WorkspaceActivated( 132 int32 workspace, 133 bool active) { 134 135 // don't confuse the user 136 if(!IsHidden()) 137 Hide(); 138 139 _inherited::WorkspaceActivated(workspace, active); 140 } 141 142 // -------------------------------------------------------- // 143 // implementation 144 // -------------------------------------------------------- // 145 146 void TipWindow::_createTipView() { 147 if(m_tipView) 148 _destroyTipView(); 149 m_tipView = createTipView(); 150 ASSERT(m_tipView); 151 152 AddChild(m_tipView); 153 154 if(m_text.Length()) 155 m_tipView->setText(m_text.String()); 156 else 157 m_tipView->setText(B_TRANSLATE("(no info)")); 158 } 159 160 void TipWindow::_destroyTipView() { 161 if(!m_tipView) 162 return; 163 RemoveChild(m_tipView); 164 delete m_tipView; 165 m_tipView = 0; 166 } 167 168 // END -- TipWindow.cpp -- 169