wg__menu_8cpp-source.html

一个小巧的嵌入式图形系统wGUI, 可以用VC编译

00158                     <a class="code" href="classwGui_1_1CMenuBase.html#n2">m_pHighlightedItem</a> = 0;
00159                     <a class="code" href="classwGui_1_1CWindow.html#a23">StartDrawProc</a>();
00160                }
00161                <span class="keywordflow">break</span>;
00162           }
00163           <span class="keywordflow">case</span> CMessage::CTRL_LCLICK:
00164           {
00165                TIntMessage* pCtrlMessage = dynamic_cast&lt;TIntMessage*&gt;(pMessage);
00166                <span class="keywordflow">if</span> (pCtrlMessage &amp;&amp; pCtrlMessage-&gt;Destination() == <span class="keyword">this</span>)
00167                {
00168                     <span class="keywordflow">for</span> (t_MenuItemVector::iterator iter = <a class="code" href="classwGui_1_1CMenuBase.html#n1">m_MenuItems</a>.begin(); iter != <a class="code" href="classwGui_1_1CMenuBase.html#n1">m_MenuItems</a>.end(); ++iter)
00169                     {
00170                          <span class="keywordflow">if</span> (pCtrlMessage-&gt;Source() == iter-&gt;first.pPopup)
00171                          {
00172                               CMessageServer::Instance().QueueMessage(<span class="keyword">new</span> TIntMessage(CMessage::CTRL_LCLICK, <a class="code" href="classwGui_1_1CWindow.html#n4">m_pParentWindow</a>,
00173                                    <span class="keyword">this</span>, pCtrlMessage-&gt;Value()));
00174                               bHandled = <span class="keyword">true</span>;
00175                               <span class="keywordflow">break</span>;
00176                          }
00177                     }
00178                }
00179                <span class="keywordflow">break</span>;
00180           }
00181           <span class="keywordflow">case</span> CMessage::CTRL_TIMER:
00182           {
00183                <span class="keywordflow">if</span> (pMessage-&gt;<a class="code" href="classwGui_1_1CMessage.html#a3">Destination</a>() == <span class="keyword">this</span>)
00184                {
00185                     bHandled = <span class="keyword">true</span>;
00186                }
00187                <span class="keywordflow">break</span>;
00188           }
00189           <span class="keywordflow">default</span> :
00190                bHandled = CWindow::HandleMessage(pMessage);
00191                <span class="keywordflow">break</span>;
00192           }
00193      }
00194 
00195      <span class="keywordflow">return</span> bHandled;
00196 }
00197 
00198 
00199 <span class="comment">// CMenu</span>
00200 
<a name="l00201"></a><a class="code" href="classwGui_1_1CMenu.html#a0">00201</a> CMenu::CMenu(<span class="keyword">const</span> <a class="code" href="classwGui_1_1CRect.html">CRect</a>&amp; WindowRect, <a class="code" href="classwGui_1_1CWindow.html">CWindow</a>* pParent, <a class="code" href="classwGui_1_1CFontEngine.html">CFontEngine</a>* pFontEngine) :
00202      <a class="code" href="classwGui_1_1CMenuBase.html">CMenuBase</a>(WindowRect, pParent, pFontEngine)
00203 {
00204   <a class="code" href="classwGui_1_1CWindow.html#n8">m_sClassName</a> = <span class="stringliteral">"CMenu"</span>;
00205      CMessageServer::Instance().RegisterMessageClient(<span class="keyword">this</span>, CMessage::MOUSE_MOVE);
00206 }
00207 
00208 
<a name="l00209"></a><a class="code" href="classwGui_1_1CMenu.html#a1">00209</a> CMenu::~CMenu(<span class="keywordtype">void</span>)
00210 {
00211 
00212 }
00213 
00214 
<a name="l00215"></a><a class="code" href="classwGui_1_1CMenu.html#a2">00215</a> <span class="keywordtype">void</span> CMenu::InsertMenuItem(<span class="keyword">const</span> <a class="code" href="structwGui_1_1SMenuItem.html">SMenuItem</a>&amp; MenuItem, <span class="keywordtype">int</span> iPosition)
00216 {
00217      <a class="code" href="classwGui_1_1CMenuBase.html#n1">m_MenuItems</a>.insert((iPosition == -1) ? <a class="code" href="classwGui_1_1CMenuBase.html#n1">m_MenuItems</a>.end() : <a class="code" href="classwGui_1_1CMenuBase.html#n1">m_MenuItems</a>.begin() + iPosition,
00218           std::make_pair(MenuItem, std::make_pair(<a class="code" href="classwGui_1_1CRenderedString.html">CRenderedString</a>(<a class="code" href="classwGui_1_1CMenuBase.html#n0">m_pFontEngine</a>, MenuItem.<a class="code" href="structwGui_1_1SMenuItem.html#m0">sItemText</a>, CRenderedString::VALIGN_NORMAL), <a class="code" href="classwGui_1_1CRect.html">CRect</a>())));
00219      <a class="code" href="classwGui_1_1CMenuBase.html#n3">m_bCachedRectsValid</a> = <span class="keyword">false</span>;
00220      <span class="keywordflow">if</span> (MenuItem.<a class="code" href="structwGui_1_1SMenuItem.html#m2">pPopup</a>)
00221      {
00222           MenuItem.<a class="code" href="structwGui_1_1SMenuItem.html#m2">pPopup</a>-&gt;<a class="code" href="classwGui_1_1CPopupMenu.html#a7">SetParentMenu</a>(<span class="keyword">this</span>);
00223      }
00224 }
00225 
00226 
<a name="l00227"></a><a class="code" href="classwGui_1_1CMenu.html#a3">00227</a> <span class="keywordtype">void</span> CMenu::Draw(<span class="keywordtype">void</span>)<span class="keyword"> const</span>
00228 <span class="keyword"></span>{
00229      CWindow::Draw();
00230 
00231      <a class="code" href="classwGui_1_1CPainter.html">CPainter</a> Painter(<a class="code" href="classwGui_1_1CWindow.html#n6">m_pSDLSurface</a>);
00232      <a class="code" href="classwGui_1_1CMenu.html#b0">UpdateCachedRects</a>();
00233      <span class="keywordflow">for</span> (t_MenuItemVector::const_iterator iter = <a class="code" href="classwGui_1_1CMenuBase.html#n1">m_MenuItems</a>.begin(); iter != <a class="code" href="classwGui_1_1CMenuBase.html#n1">m_MenuItems</a>.end(); ++iter)
00234      {
00235           <span class="keywordflow">if</span> (<a class="code" href="classwGui_1_1CMenuBase.html#n2">m_pHighlightedItem</a> == &amp;(iter-&gt;first))
00236           {
00237                Painter.<a class="code" href="classwGui_1_1CPainter.html#a5">DrawRect</a>(iter-&gt;second.second, <span class="keyword">true</span>, <a class="code" href="classwGui_1_1CMenuBase.html#n6">m_HighlightColor</a>, <a class="code" href="classwGui_1_1CMenuBase.html#n6">m_HighlightColor</a>);
00238           }
00239           <a class="code" href="classwGui_1_1CRect.html">CRect</a> TextRect(iter-&gt;second.second);
00240           TextRect.<a class="code" href="classwGui_1_1CRect.html#a28">Grow</a>(-2);
00241           <span class="keywordflow">if</span> (iter-&gt;first.bSpacer)
00242           {
00243                Painter.<a class="code" href="classwGui_1_1CPainter.html#a4">DrawVLine</a>(TextRect.<a class="code" href="classwGui_1_1CRect.html#a9">Top</a>(), TextRect.<a class="code" href="classwGui_1_1CRect.html#a12">Bottom</a>(), TextRect.<a class="code" href="classwGui_1_1CRect.html#a10">Left</a>(), COLOR_LIGHTGRAY);
00244                Painter.<a class="code" href="classwGui_1_1CPainter.html#a4">DrawVLine</a>(TextRect.<a class="code" href="classwGui_1_1CRect.html#a9">Top</a>(), TextRect.<a class="code" href="classwGui_1_1CRect.html#a12">Bottom</a>(), TextRect.<a class="code" href="classwGui_1_1CRect.html#a11">Right</a>(), COLOR_DARKGRAY);
00245           }
00246           <span class="keywordflow">else</span>
00247                iter-&gt;second.first.Draw(<a class="code" href="classwGui_1_1CWindow.html#n6">m_pSDLSurface</a>, TextRect, <a class="code" href="classwGui_1_1CPoint.html">CPoint</a>(TextRect.<a class="code" href="classwGui_1_1CRect.html#a10">Left</a>(), (TextRect.<a class="code" href="classwGui_1_1CRect.html#a9">Top</a>() + TextRect.<a class="code" href="classwGui_1_1CRect.html#a12">Bottom</a>()) * 3 / 4));
00248      }
00249 }
00250 
00251 
<a name="l00252"></a><a class="code" href="classwGui_1_1CMenu.html#a4">00252</a> <span class="keywordtype">bool</span> CMenu::OnMouseButtonDown(<a class="code" href="classwGui_1_1CPoint.html">CPoint</a> Point, <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> Button)
00253 {
00254      <span class="keywordtype">bool</span> bResult = <span class="keyword">false</span>;
00255 
00256      <span class="keywordflow">if</span> (! CMenuBase::OnMouseButtonDown(Point, Button) &amp;&amp; <a class="code" href="classwGui_1_1CWindow.html#n7">m_bVisible</a> &amp;&amp; (<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) &amp;&amp;
00257           (Button == CMouseMessage::LEFT))
00258      {
00259           <a class="code" href="classwGui_1_1CMenu.html#b0">UpdateCachedRects</a>();
00260           <span class="keywordflow">for</span> (t_MenuItemVector::iterator iter = <a class="code" href="classwGui_1_1CMenuBase.html#n1">m_MenuItems</a>.begin(); iter != <a class="code" href="classwGui_1_1CMenuBase.html#n1">m_MenuItems</a>.end(); ++iter)
00261           {
00262                <span class="keywordflow">if</span> (iter-&gt;second.second.HitTest(Point) == CRect::RELPOS_INSIDE &amp;&amp; !iter-&gt;first.bSpacer)
00263                {
00264                     <a class="code" href="classwGui_1_1CMenuBase.html#a5">HideActivePopup</a>();
00265                     <span class="keywordflow">if</span> (iter-&gt;first.pPopup)
00266                     {
00267                          <a class="code" href="classwGui_1_1CPopupMenu.html">CPopupMenu</a>* pPopup = dynamic_cast&lt;CPopupMenu*&gt;(iter-&gt;first.pPopup);
00268                          <span class="keywordflow">if</span> (pPopup)
00269                          {
00270                               <a class="code" href="classwGui_1_1CMenuBase.html#n4">m_pActivePopup</a> = pPopup;
00271                               <a class="code" href="classwGui_1_1CMenu.html#b1">ShowActivePopup</a>(iter-&gt;second.second, <a class="code" href="classwGui_1_1CWindow.html#a8">GetAncestor</a>(<a class="code" href="classwGui_1_1CWindow.html#s2s1">ROOT</a>)-&gt;<a class="code" href="classwGui_1_1CWindow.html#a5">GetClientRect</a>());
00272                          }
00273                     }
00274                     <span class="keywordflow">else</span>
00275                     {
00276                          CMessageServer::Instance().QueueMessage(<span class="keyword">new</span> TIntMessage(CMessage::CTRL_LCLICK, <a class="code" href="classwGui_1_1CWindow.html#n4">m_pParentWindow</a>, <span class="keyword">this</span>, iter-&gt;first.iItemId));
00277                     }
00278                     <span class="keywordflow">break</span>;
00279                }
00280           }
00281           bResult = <span class="keyword">true</span>;
00282      }
00283 
00284      <span class="keywordflow">return</span> bResult;
00285 }
00286 
00287 
<a name="l00288"></a><a class="code" href="classwGui_1_1CMenu.html#a5">00288</a> <span class="keywordtype">bool</span> CMenu::HandleMessage(<a class="code" href="classwGui_1_1CMessage.html">CMessage</a>* pMessage)
00289 {
00290      <span class="keywordtype">bool</span> bHandled = <span class="keyword">false</span>;
00291 
00292      <span class="keywordflow">if</span> (pMessage)
00293      {
00294           <span class="keywordflow">switch</span>(pMessage-&gt;<a class="code" href="classwGui_1_1CMessage.html#a2">MessageType</a>())
00295           {
00296           <span class="keywordflow">case</span> CMessage::MOUSE_MOVE:
00297           {
00298                <span class="keywordflow">break</span>;
00299           }
00300           <span class="keywordflow">default</span> :
00301                bHandled = CMenuBase::HandleMessage(pMessage);
00302                <span class="keywordflow">break</span>;
00303           }
00304      }
00305 
00306      <span class="keywordflow">return</span> bHandled;
00307 }
00308 
00309 
<a name="l00310"></a><a class="code" href="classwGui_1_1CMenu.html#b0">00310</a> <span class="keywordtype">void</span> CMenu::UpdateCachedRects(<span class="keywordtype">void</span>)<span class="keyword"> const</span>
00311 <span class="keyword"></span>{
00312      <span class="keywordflow">if</span> (!<a class="code" href="classwGui_1_1CMenuBase.html#n3">m_bCachedRectsValid</a>)
00313      {
00314           <a class="code" href="classwGui_1_1CRect.html">CRect</a> SubRect(<a class="code" href="classwGui_1_1CWindow.html#n1">m_WindowRect</a>);
00315           SubRect.<a class="code" href="classwGui_1_1CRect.html#a28">Grow</a>(-2);
00316           <span class="keywordtype">int</span> iWidth = 5;
00317           <span class="keywordflow">for</span> (t_MenuItemVector::iterator iter = <a class="code" href="classwGui_1_1CMenuBase.html#n1">m_MenuItems</a>.begin(); iter != <a class="code" href="classwGui_1_1CMenuBase.html#n1">m_MenuItems</a>.end(); ++iter)
00318           {
00319                <span class="keywordflow">if</span> (iter-&gt;first.bSpacer)
00320                {
00321                     <a class="code" href="classwGui_1_1CRect.html">CRect</a> TextRect(SubRect.<a class="code" href="classwGui_1_1CRect.html#a10">Left</a>() + iWidth, SubRect.<a class="code" href="classwGui_1_1CRect.html#a9">Top</a>() + 2, SubRect.<a class="code" href="classwGui_1_1CRect.html#a10">Left</a>() + iWidth + 1, SubRect.<a class="code" href="classwGui_1_1CRect.html#a12">Bottom</a>() - 2);
00322                     TextRect.<a class="code" href="classwGui_1_1CRect.html#a28">Grow</a>(2);