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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN"><html><head><meta http-equiv="Content-Type" content="text/html;charset=iso-8859-1"><title>wg_tooltip.cpp Source File</title><link href="doxygen.css" rel="stylesheet" type="text/css"></head><body><!-- Generated by Doxygen 1.2.18 --><center><a class="qindex" href="index.html">Main Page</a> <a class="qindex" href="hierarchy.html">Class Hierarchy</a> <a class="qindex" href="classes.html">Alphabetical List</a> <a class="qindex" href="annotated.html">Data Structures</a> <a class="qindex" href="files.html">File List</a> <a class="qindex" href="functions.html">Data Fields</a> </center><hr><h1>wg_tooltip.cpp</h1><div class="fragment"><pre>00001 <span class="comment">// wg_tooltip.cpp</span>00002 <span class="comment">//</span>00003 <span class="comment">// CToolTip interface</span>00004 <span class="comment">//</span>00005 <span class="comment">//</span>00006 <span class="comment">// Copyright (c) 2002 Rob Wiskow</span>00007 <span class="comment">// rob-dev@boxedchaos.com</span>00008 <span class="comment">//</span>00009 <span class="comment">// This library is free software; you can redistribute it and/or</span>00010 <span class="comment">// modify it under the terms of the GNU Lesser General Public</span>00011 <span class="comment">// License as published by the Free Software Foundation; either</span>00012 <span class="comment">// version 2.1 of the License, or (at your option) any later version.</span>00013 <span class="comment">//</span>00014 <span class="comment">// This library is distributed in the hope that it will be useful,</span>00015 <span class="comment">// but WITHOUT ANY WARRANTY; without even the implied warranty of</span>00016 <span class="comment">// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU</span>00017 <span class="comment">// Lesser General Public License for more details.</span>00018 <span class="comment">//</span>00019 <span class="comment">// You should have received a copy of the GNU Lesser General Public</span>00020 <span class="comment">// License along with this library; if not, write to the Free Software</span>00021 <span class="comment">// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA</span>00022 <span class="comment">//</span>00023 00024 <span class="preprocessor">#include "wgui_include_config.h"</span>00025 <span class="preprocessor">#include "wg_tooltip.h"</span>00026 00027 <span class="keyword">namespace </span>wGui00028 {00029 <a name="l00030"></a><a class="code" href="classwGui_1_1CToolTip.html#a0">00030</a> CToolTip::CToolTip(<a class="code" href="classwGui_1_1CWindow.html">CWindow</a>* pToolWindow, std::string sText, <a class="code" href="classwGui_1_1CRGBColor.html">CRGBColor</a>& FontColor, <a class="code" href="classwGui_1_1CRGBColor.html">CRGBColor</a>& BGColor, <a class="code" href="classwGui_1_1CFontEngine.html">CFontEngine</a>* pFontEngine) :00031 <a class="code" href="classwGui_1_1CWindow.html">CWindow</a>(<a class="code" href="classwGui_1_1CRect.html">CRect</a>(), pToolWindow),00032 m_FontColor(FontColor)00033 {00034 <a class="code" href="classwGui_1_1CWindow.html#n8">m_sClassName</a> = <span class="stringliteral">"CToolTip"</span>;00035 <a class="code" href="classwGui_1_1CWindow.html#n0">m_sWindowText</a> = sText;00036 <span class="keywordflow">if</span> (pFontEngine)00037 {00038 <a class="code" href="classwGui_1_1CToolTip.html#n0">m_pFontEngine</a> = pFontEngine;00039 }00040 <span class="keywordflow">else</span>00041 {00042 <a class="code" href="classwGui_1_1CToolTip.html#n0">m_pFontEngine</a> = CApplication::Instance()->GetDefaultFontEngine();00043 }00044 std::auto_ptr<CRenderedString> pRenderedString(<span class="keyword">new</span> <a class="code" href="classwGui_1_1CRenderedString.html">CRenderedString</a>(00045 <a class="code" href="classwGui_1_1CToolTip.html#n0">m_pFontEngine</a>, sText, CRenderedString::VALIGN_TOP, CRenderedString::HALIGN_LEFT));00046 <a class="code" href="classwGui_1_1CToolTip.html#n1">m_pRenderedString</a> = pRenderedString;00047 00048 <a class="code" href="classwGui_1_1CToolTip.html#n4">m_pTimer</a> = <span class="keyword">new</span> <a class="code" href="classwGui_1_1CTimer.html">CTimer</a>(<span class="keyword">this</span>);00049 00050 <span class="comment">//Now resize the window so that it fits the Tooltip text</span>00051 <a class="code" href="classwGui_1_1CPoint.html">CPoint</a> Dims;00052 <a class="code" href="classwGui_1_1CToolTip.html#n1">m_pRenderedString</a>->GetMetrics(&Dims, 0, 0);00053 <a class="code" href="classwGui_1_1CToolTip.html#n6">m_BoundingRect</a> = <a class="code" href="classwGui_1_1CRect.html">CRect</a>(<a class="code" href="classwGui_1_1CPoint.html">CPoint</a>(0, 0), Dims + <a class="code" href="classwGui_1_1CPoint.html">CPoint</a>(4, 4));00054 00055 <a class="code" href="classwGui_1_1CWindow.html#n2">m_BGColor</a> = BGColor;00056 CMessageServer::Instance().RegisterMessageClient(<span class="keyword">this</span>, CMessage::MOUSE_MOVE);00057 CMessageServer::Instance().RegisterMessageClient(<span class="keyword">this</span>, CMessage::CTRL_TIMER);00058 }00059 00060 <a name="l00061"></a><a class="code" href="classwGui_1_1CToolTip.html#a1">00061</a> CToolTip::~CToolTip(<span class="keywordtype">void</span>)00062 {00063 00064 }00065 00066 <a name="l00067"></a><a class="code" href="classwGui_1_1CToolTip.html#a2">00067</a> <span class="keywordtype">void</span> CToolTip::ShowTip(<span class="keyword">const</span> <a class="code" href="classwGui_1_1CPoint.html">CPoint</a>& DrawPoint)00068 {00069 <a class="code" href="classwGui_1_1CWindow.html#a2">SetWindowRect</a>(<a class="code" href="classwGui_1_1CToolTip.html#n6">m_BoundingRect</a> + DrawPoint);00070 <a class="code" href="classwGui_1_1CWindow.html#a11">SetVisible</a>(<span class="keyword">true</span>);00071 <a class="code" href="classwGui_1_1CWindow.html#a23">StartDrawProc</a>();00072 }00073 00074 <a name="l00075"></a><a class="code" href="classwGui_1_1CToolTip.html#a3">00075</a> <span class="keywordtype">void</span> CToolTip::HideTip(<span class="keywordtype">void</span>)00076 {00077 <a class="code" href="classwGui_1_1CWindow.html#a11">SetVisible</a>(<span class="keyword">false</span>);00078 CMessageServer::Instance().QueueMessage(<span class="keyword">new</span> <a class="code" href="classwGui_1_1CMessage.html">CMessage</a>(CMessage::APP_PAINT, 0, <span class="keyword">this</span>));00079 }00080 00081 <a name="l00082"></a><a class="code" href="classwGui_1_1CToolTip.html#a4">00082</a> <span class="keywordtype">void</span> CToolTip::Draw(<span class="keywordtype">void</span>)<span class="keyword"> const</span>00083 <span class="keyword"></span>{00084 CWindow::Draw();00085 00086 <a class="code" href="classwGui_1_1CPainter.html">CPainter</a> Painter(<a class="code" href="classwGui_1_1CWindow.html#n6">m_pSDLSurface</a>);00087 Painter.<a class="code" href="classwGui_1_1CPainter.html#a5">DrawRect</a>(<a class="code" href="classwGui_1_1CWindow.html#n1">m_WindowRect</a>, <span class="keyword">false</span>);00088 <a class="code" href="classwGui_1_1CRect.html">CRect</a> SubRect(<a class="code" href="classwGui_1_1CWindow.html#n1">m_WindowRect</a>);00089 SubRect.<a class="code" href="classwGui_1_1CRect.html#a28">Grow</a>(-2);00090 <a class="code" href="classwGui_1_1CToolTip.html#n1">m_pRenderedString</a>->Draw(<a class="code" href="classwGui_1_1CWindow.html#n6">m_pSDLSurface</a>, SubRect, SubRect.<a class="code" href="classwGui_1_1CRect.html#a13">TopLeft</a>(), <a class="code" href="classwGui_1_1CToolTip.html#n2">m_FontColor</a>);00091 }00092 00093 <a name="l00094"></a><a class="code" href="classwGui_1_1CToolTip.html#a5">00094</a> <span class="keywordtype">void</span> CToolTip::MoveWindow(<span class="keyword">const</span> <a class="code" href="classwGui_1_1CPoint.html">CPoint</a>& MoveDistance)00095 {00096 CWindow::MoveWindow(MoveDistance);00097 <a class="code" href="classwGui_1_1CToolTip.html#n6">m_BoundingRect</a> = <a class="code" href="classwGui_1_1CToolTip.html#n6">m_BoundingRect</a> + MoveDistance;00098 }00099 00100 <a name="l00101"></a><a class="code" href="classwGui_1_1CToolTip.html#a6">00101</a> <span class="keywordtype">bool</span> CToolTip::HandleMessage(<a class="code" href="classwGui_1_1CMessage.html">CMessage</a>* pMessage)00102 {00103 <span class="keywordtype">bool</span> bHandled = <span class="keyword">false</span>;00104 00105 <span class="keywordflow">if</span> (pMessage)00106 {00107 <span class="keywordflow">switch</span>(pMessage-><a class="code" href="classwGui_1_1CMessage.html#a2">MessageType</a>())00108 {00109 <span class="keywordflow">case</span> CMessage::CTRL_TIMER:00110 {00111 wGui::TIntMessage* pTimerMessage = dynamic_cast<wGui::TIntMessage*>(pMessage);00112 <span class="keywordflow">if</span> (pTimerMessage && pMessage-><a class="code" href="classwGui_1_1CMessage.html#a3">Destination</a>() == <span class="keyword">this</span>)00113 {00114 <span class="comment">// Timer has expired, so it's time to show the tooltip</span>00115 <a class="code" href="classwGui_1_1CToolTip.html#a2">ShowTip</a>(<a class="code" href="classwGui_1_1CToolTip.html#n5">m_LastMousePosition</a> + <a class="code" href="classwGui_1_1CPoint.html">CPoint</a>(-6, 18));00116 bHandled = <span class="keyword">true</span>;00117 }00118 <span class="keywordflow">break</span>;00119 }00120 <span class="keywordflow">case</span> CMessage::MOUSE_MOVE:00121 {00122 <span class="comment">// We don't want to mess with the underlying control, so don't trap any MOUSE_MOVE messages</span>00123 <a class="code" href="classwGui_1_1CMouseMessage.html">CMouseMessage</a>* pMouseMessage = dynamic_cast<CMouseMessage*>(pMessage);00124 <span class="keywordflow">if</span> (pMouseMessage)00125 {00126 <a class="code" href="classwGui_1_1CToolTip.html#n5">m_LastMousePosition</a> = pMouseMessage-><a class="code" href="classwGui_1_1CMouseMessage.html#m0">Point</a>;00127 <a class="code" href="classwGui_1_1CToolTip.html#n4">m_pTimer</a>-><a class="code" href="classwGui_1_1CTimer.html#a3">StopTimer</a>();00128 <span class="keywordflow">if</span> (<a class="code" href="classwGui_1_1CWindow.html#a10">IsVisible</a>())00129 {00130 <a class="code" href="classwGui_1_1CToolTip.html#a3">HideTip</a>();00131 }00132 <span class="keywordflow">if</span> (<a class="code" href="classwGui_1_1CWindow.html#n4">m_pParentWindow</a>-><a class="code" href="classwGui_1_1CWindow.html#a3">GetWindowRect</a>().<a class="code" href="classwGui_1_1CRect.html#a32">HitTest</a>(<a class="code" href="classwGui_1_1CToolTip.html#n5">m_LastMousePosition</a>) == CRect::RELPOS_INSIDE)00133 {00134 <a class="code" href="classwGui_1_1CToolTip.html#n4">m_pTimer</a>-><a class="code" href="classwGui_1_1CTimer.html#a2">StartTimer</a>(1000);00135 }00136 }00137 }00138 <span class="keywordflow">default</span> :00139 bHandled = CWindow::HandleMessage(pMessage);00140 <span class="keywordflow">break</span>;00141 }00142 }00143 00144 <span class="keywordflow">return</span> bHandled;00145 }00146 00147 }00148 </pre></div><hr><address style="align: right;"><small>Generated on Sat Oct 25 12:43:25 2003 for wGui by<a href="http://www.doxygen.org/index.html"><img src="doxygen.png" alt="doxygen" align="middle" border=0 width=110 height=53></a>1.2.18 </small></address></body></html>⌨️ 快捷键说明
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