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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_checkbox.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_checkbox.cpp</h1><div class="fragment"><pre>00001 <span class="comment">// wg_checkbox.cpp</span>00002 <span class="comment">//</span>00003 <span class="comment">// CCheckBox class implementation</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 00025 <span class="preprocessor">#include "wgui_include_config.h"</span>00026 <span class="preprocessor">#include "wg_checkbox.h"</span>00027 <span class="preprocessor">#include "wg_message_server.h"</span>00028 00029 00030 <span class="keyword">namespace </span>wGui00031 {00032 <a name="l00033"></a><a class="code" href="classwGui_1_1CCheckBox.html#a0">00033</a> CCheckBox::CCheckBox(<span class="keyword">const</span> <a class="code" href="classwGui_1_1CRect.html">CRect</a>& WindowRect, <a class="code" href="classwGui_1_1CWindow.html">CWindow</a>* pParent) :00034 <a class="code" href="classwGui_1_1CWindow.html">CWindow</a>(WindowRect, pParent),00035 m_eCheckBoxState(UNCHECKED),00036 m_MouseButton(0)00037 {00038 <a class="code" href="classwGui_1_1CWindow.html#n8">m_sClassName</a> = <span class="stringliteral">"CCheckBox"</span>;00039 <a class="code" href="classwGui_1_1CWindow.html#n2">m_BGColor</a> = COLOR_WHITE;00040 CMessageServer::Instance().RegisterMessageClient(<span class="keyword">this</span>, CMessage::MOUSE_BUTTONUP);00041 CMessageServer::Instance().RegisterMessageClient(<span class="keyword">this</span>, CMessage::CTRL_LCLICK);00042 }00043 00044 <a name="l00045"></a><a class="code" href="classwGui_1_1CCheckBox.html#a1">00045</a> CCheckBox::~CCheckBox(<span class="keywordtype">void</span>)00046 {00047 00048 }00049 00050 <a name="l00051"></a><a class="code" href="classwGui_1_1CCheckBox.html#a3">00051</a> <span class="keywordtype">void</span> CCheckBox::SetCheckBoxState(EState eState)00052 {00053 <span class="keywordflow">if</span> (<a class="code" href="classwGui_1_1CCheckBox.html#n0">m_eCheckBoxState</a> != eState)00054 {00055 <a class="code" href="classwGui_1_1CCheckBox.html#n0">m_eCheckBoxState</a> = eState;00056 <a class="code" href="classwGui_1_1CWindow.html#a23">StartDrawProc</a>();00057 }00058 }00059 00060 <a name="l00061"></a><a class="code" href="classwGui_1_1CCheckBox.html#a4">00061</a> <span class="keywordtype">void</span> CCheckBox::Draw(<span class="keywordtype">void</span>)<span class="keyword"> const</span>00062 <span class="keyword"></span>{00063 CWindow::Draw();00064 00065 <a class="code" href="classwGui_1_1CRect.html">CRect</a> SubRect(<a class="code" href="classwGui_1_1CWindow.html#n1">m_WindowRect</a>);00066 SubRect.<a class="code" href="classwGui_1_1CRect.html#a28">Grow</a>(-1);00067 <a class="code" href="classwGui_1_1CPainter.html">CPainter</a> Painter(<a class="code" href="classwGui_1_1CWindow.html#n6">m_pSDLSurface</a>);00068 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>, COLOR_BLACK);00069 <span class="keywordflow">if</span> (<a class="code" href="classwGui_1_1CCheckBox.html#n0">m_eCheckBoxState</a> != <a class="code" href="classwGui_1_1CCheckBox.html#s3s2">DISABLED</a>)00070 {00071 Painter.<a class="code" href="classwGui_1_1CPainter.html#a5">DrawRect</a>(SubRect, <span class="keyword">false</span>, COLOR_LIGHTGRAY);00072 Painter.<a class="code" href="classwGui_1_1CPainter.html#a3">DrawHLine</a>(SubRect.<a class="code" href="classwGui_1_1CRect.html#a10">Left</a>(), SubRect.<a class="code" href="classwGui_1_1CRect.html#a11">Right</a>(), SubRect.<a class="code" href="classwGui_1_1CRect.html#a9">Top</a>(), COLOR_DARKGRAY);00073 Painter.<a class="code" href="classwGui_1_1CPainter.html#a4">DrawVLine</a>(SubRect.<a class="code" href="classwGui_1_1CRect.html#a9">Top</a>(), SubRect.<a class="code" href="classwGui_1_1CRect.html#a12">Bottom</a>(), SubRect.<a class="code" href="classwGui_1_1CRect.html#a10">Left</a>(), COLOR_DARKGRAY);00074 SubRect.<a class="code" href="classwGui_1_1CRect.html#a28">Grow</a>(-2);00075 <span class="keywordflow">if</span> (<a class="code" href="classwGui_1_1CCheckBox.html#n0">m_eCheckBoxState</a> == <a class="code" href="classwGui_1_1CCheckBox.html#s3s1">CHECKED</a>)00076 {00077 Painter.<a class="code" href="classwGui_1_1CPainter.html#a6">DrawLine</a>(SubRect.<a class="code" href="classwGui_1_1CRect.html#a13">TopLeft</a>(), SubRect.<a class="code" href="classwGui_1_1CRect.html#a16">BottomRight</a>(), DEFAULT_LINE_COLOR);00078 Painter.<a class="code" href="classwGui_1_1CPainter.html#a6">DrawLine</a>(SubRect.<a class="code" href="classwGui_1_1CRect.html#a15">BottomLeft</a>(), SubRect.<a class="code" href="classwGui_1_1CRect.html#a14">TopRight</a>(), DEFAULT_LINE_COLOR);00079 }00080 }00081 }00082 00083 <a name="l00084"></a><a class="code" href="classwGui_1_1CCheckBox.html#a5">00084</a> <span class="keywordtype">bool</span> CCheckBox::OnMouseButtonDown(<a class="code" href="classwGui_1_1CPoint.html">CPoint</a> Point, <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> Button)00085 {00086 <span class="keywordtype">bool</span> bResult = <span class="keyword">false</span>;00087 00088 <span class="keywordflow">if</span> (! CWindow::OnMouseButtonDown(Point, Button) && <a class="code" href="classwGui_1_1CWindow.html#n7">m_bVisible</a> && (<a class="code" href="classwGui_1_1CWindow.html#n1">m_WindowRect</a>.<a class="code" href="classwGui_1_1CRect.html#a32">HitTest</a>(Point) == CRect::RELPOS_INSIDE) &&00089 (<a class="code" href="classwGui_1_1CCheckBox.html#n0">m_eCheckBoxState</a> != <a class="code" href="classwGui_1_1CCheckBox.html#s3s2">DISABLED</a>))00090 {00091 <a class="code" href="classwGui_1_1CCheckBox.html#n1">m_MouseButton</a> = Button;00092 bResult = <span class="keyword">true</span>;00093 }00094 00095 <span class="keywordflow">return</span> bResult;00096 }00097 00098 <a name="l00099"></a><a class="code" href="classwGui_1_1CCheckBox.html#a6">00099</a> <span class="keywordtype">bool</span> CCheckBox::OnMouseButtonUp(<a class="code" href="classwGui_1_1CPoint.html">CPoint</a> Point, <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> Button)00100 {00101 <span class="keywordtype">bool</span> bResult = <span class="keyword">false</span>;00102 00103 <span class="keywordflow">if</span> (! CWindow::OnMouseButtonUp(Point, Button) && <a class="code" href="classwGui_1_1CWindow.html#n7">m_bVisible</a> && (<a class="code" href="classwGui_1_1CWindow.html#n1">m_WindowRect</a>.<a class="code" href="classwGui_1_1CRect.html#a32">HitTest</a>(Point) == CRect::RELPOS_INSIDE) &&00104 (<a class="code" href="classwGui_1_1CCheckBox.html#n0">m_eCheckBoxState</a> != <a class="code" href="classwGui_1_1CCheckBox.html#s3s2">DISABLED</a>) && (<a class="code" href="classwGui_1_1CCheckBox.html#n1">m_MouseButton</a> == Button))00105 {00106 CMessage::EMessageType MessageType = CMessage::UNKNOWN;00107 <span class="keywordflow">switch</span> (m_MouseButton)00108 {00109 <span class="keywordflow">case</span> CMouseMessage::LEFT:00110 MessageType = CMessage::CTRL_LCLICK;00111 <span class="keywordflow">break</span>;00112 <span class="keywordflow">case</span> CMouseMessage::RIGHT:00113 MessageType = CMessage::CTRL_RCLICK;00114 <span class="keywordflow">break</span>;00115 <span class="keywordflow">case</span> CMouseMessage::MIDDLE:00116 MessageType = CMessage::CTRL_MCLICK;00117 <span class="keywordflow">break</span>;00118 }00119 CMessageServer::Instance().QueueMessage(<span class="keyword">new</span> TIntMessage(MessageType, <span class="keyword">this</span>, <span class="keyword">this</span>, 0));00120 bResult = <span class="keyword">true</span>;00121 }00122 00123 <span class="keywordflow">return</span> bResult;00124 }00125 00126 <a name="l00127"></a><a class="code" href="classwGui_1_1CCheckBox.html#a7">00127</a> <span class="keywordtype">bool</span> CCheckBox::HandleMessage(<a class="code" href="classwGui_1_1CMessage.html">CMessage</a>* pMessage)00128 {00129 <span class="keywordtype">bool</span> bHandled = <span class="keyword">false</span>;00130 00131 <span class="keywordflow">if</span> (pMessage)00132 {00133 <span class="keywordflow">switch</span>(pMessage-><a class="code" href="classwGui_1_1CMessage.html#a2">MessageType</a>())00134 {00135 <span class="keywordflow">case</span> CMessage::MOUSE_BUTTONUP:00136 {00137 <a class="code" href="classwGui_1_1CMouseMessage.html">CMouseMessage</a>* pMouseMessage = dynamic_cast<CMouseMessage*>(pMessage);00138 <span class="keywordflow">if</span> (pMouseMessage && (<a class="code" href="classwGui_1_1CWindow.html#n1">m_WindowRect</a>.<a class="code" href="classwGui_1_1CRect.html#a32">HitTest</a>(pMouseMessage-><a class="code" href="classwGui_1_1CMouseMessage.html#m0">Point</a>) != CRect::RELPOS_INSIDE)00139 && (<a class="code" href="classwGui_1_1CCheckBox.html#n1">m_MouseButton</a> == pMouseMessage-><a class="code" href="classwGui_1_1CMouseMessage.html#m2">Button</a>) && (<a class="code" href="classwGui_1_1CCheckBox.html#n0">m_eCheckBoxState</a> != <a class="code" href="classwGui_1_1CCheckBox.html#s3s2">DISABLED</a>))00140 {00141 <a class="code" href="classwGui_1_1CCheckBox.html#n1">m_MouseButton</a> = 0;00142 bHandled = <span class="keyword">true</span>;00143 }00144 <span class="keywordflow">break</span>;00145 }00146 <span class="keywordflow">case</span> CMessage::CTRL_LCLICK:00147 <span class="keywordflow">if</span> (pMessage-><a class="code" href="classwGui_1_1CMessage.html#a3">Destination</a>() == <span class="keyword">this</span>)00148 {00149 <span class="keywordflow">switch</span> (m_eCheckBoxState)00150 {00151 <span class="keywordflow">case</span> <a class="code" href="classwGui_1_1CCheckBox.html#s3s0">UNCHECKED</a>:00152 <a class="code" href="classwGui_1_1CCheckBox.html#a3">SetCheckBoxState</a>(<a class="code" href="classwGui_1_1CCheckBox.html#s3s1">CHECKED</a>);00153 CMessageServer::Instance().QueueMessage(<span class="keyword">new</span> TIntMessage(CMessage::CTRL_VALUECHANGE, <a class="code" href="classwGui_1_1CWindow.html#n4">m_pParentWindow</a>, <span class="keyword">this</span>, 1));00154 <span class="keywordflow">break</span>;00155 <span class="keywordflow">case</span> <a class="code" href="classwGui_1_1CCheckBox.html#s3s1">CHECKED</a>:00156 <a class="code" href="classwGui_1_1CCheckBox.html#a3">SetCheckBoxState</a>(<a class="code" href="classwGui_1_1CCheckBox.html#s3s0">UNCHECKED</a>);00157 CMessageServer::Instance().QueueMessage(<span class="keyword">new</span> TIntMessage(CMessage::CTRL_VALUECHANGE, <a class="code" href="classwGui_1_1CWindow.html#n4">m_pParentWindow</a>, <span class="keyword">this</span>, 0));00158 <span class="keywordflow">break</span>;00159 <span class="keywordflow">default</span>:00160 <span class="keywordflow">break</span>;00161 }00162 bHandled = <span class="keyword">true</span>;00163 }00164 <span class="keywordflow">break</span>;00165 <span class="keywordflow">default</span> :00166 bHandled = CWindow::HandleMessage(pMessage);00167 <span class="keywordflow">break</span>;00168 }00169 }00170 00171 <span class="keywordflow">return</span> bHandled;00172 }00173 00174 }00175 00176 00177 </pre></div><hr><address style="align: right;"><small>Generated on Sat Oct 25 12:43:22 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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