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 // TipView.h 33 // * PURPOSE 34 // Provide a basic, extensible 'ToolTip' view, designed 35 // to be hosted by a floating window (TipWindow). 36 // * HISTORY 37 // e.moon 20oct99 multi-line support 38 // e.moon 17oct99 Begun. 39 40 #ifndef __TipView_H__ 41 #define __TipView_H__ 42 43 #include <Font.h> 44 #include <String.h> 45 #include <View.h> 46 47 #include <vector> 48 49 #include "cortex_defs.h" 50 __BEGIN_CORTEX_NAMESPACE 51 52 class TipWindow; 53 54 class TipView : 55 public BView { 56 typedef BView _inherited; 57 58 public: // *** dtor/ctors 59 virtual ~TipView(); 60 TipView(); 61 62 public: // *** operations 63 64 // if attached to a BWindow, the window must be locked 65 virtual void setText( 66 const char* text); 67 68 public: // *** BView 69 70 virtual void Draw( 71 BRect updateRect); 72 73 virtual void FrameResized( 74 float width, 75 float height); 76 77 virtual void GetPreferredSize( 78 float* outWidth, 79 float* outHeight); 80 81 private: // implementation 82 BString m_text; 83 BPoint m_offset; 84 85 BFont m_font; 86 font_height m_fontHeight; 87 88 rgb_color m_textColor; 89 rgb_color m_borderLoColor; 90 rgb_color m_borderHiColor; 91 rgb_color m_viewColor; 92 93 94 typedef std::vector<int32> line_set; 95 line_set m_lineSet; 96 97 private: 98 static const float s_xPad; 99 static const float s_yPad; 100 101 void _initColors(); 102 void _initFont(); 103 void _updateLayout( 104 float width, 105 float height); 106 107 void _setText( 108 const char* text); 109 110 float _maxTextWidth(); 111 float _textHeight(); 112 }; 113 114 __END_CORTEX_NAMESPACE 115 #endif /*__TipView_H__*/ 116