wg__menu_8cpp-source.html

一个小巧的嵌入式图形系统wGUI, 可以用VC编译

00323                     iter->second.second = TextRect;
00324                     iWidth += 9;
00325                }
00326                <span class="keywordflow">else</span>
00327                {
00328                     <a class="code" href="classwGui_1_1CPoint.html">CPoint</a> Dims;
00329                     iter-&gt;second.first.GetMetrics(&amp;Dims, 0, 0);
00330                     <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 + Dims.<a class="code" href="classwGui_1_1CPoint.html#a6">XPos</a>(), SubRect.<a class="code" href="classwGui_1_1CRect.html#a12">Bottom</a>() - 2);
00331                     TextRect.<a class="code" href="classwGui_1_1CRect.html#a28">Grow</a>(2);
00332                     iter-&gt;second.second = TextRect;
00333                     iWidth += Dims.<a class="code" href="classwGui_1_1CPoint.html#a6">XPos</a>() + 8;
00334                }
00335           }
00336           <a class="code" href="classwGui_1_1CMenuBase.html#n3">m_bCachedRectsValid</a> = <span class="keyword">true</span>;
00337      }
00338 }
00339 
00340 
<a name="l00341"></a><a class="code" href="classwGui_1_1CMenu.html#b1">00341</a> <span class="keywordtype">void</span> CMenu::ShowActivePopup(<span class="keyword">const</span> <a class="code" href="classwGui_1_1CRect.html">CRect</a>&amp; ParentRect, <span class="keyword">const</span> <a class="code" href="classwGui_1_1CRect.html">CRect</a>&amp; BoundingRect)
00342 {
00343      <span class="comment">// TODO: Add bounds checking for all edges.  Apply this same bounds checking logic to the popup root menu too.</span>
00344      <span class="keywordflow">if</span> (!<a class="code" href="classwGui_1_1CMenuBase.html#n4">m_pActivePopup</a>)
00345      {
00346           <span class="keywordflow">throw</span>(<a class="code" href="classwGui_1_1Wg__Ex__App.html">Wg_Ex_App</a>(<span class="stringliteral">"CMenu::ShowActivePopup() : Trying to show active popup menu when pActivePopup is NULL!"</span>));
00347      }
00348      <a class="code" href="classwGui_1_1CRect.html">CRect</a> MenuRect = <a class="code" href="classwGui_1_1CMenuBase.html#n4">m_pActivePopup</a>-&gt;<a class="code" href="classwGui_1_1CWindow.html#a3">GetWindowRect</a>();
00349      <span class="keywordflow">if</span> (BoundingRect.<a class="code" href="classwGui_1_1CRect.html#a32">HitTest</a>(ParentRect.<a class="code" href="classwGui_1_1CRect.html#a15">BottomLeft</a>() + <a class="code" href="classwGui_1_1CPoint.html">CPoint</a>(MenuRect.<a class="code" href="classwGui_1_1CRect.html#a23">Width</a>(), 0)) &amp; CRect::RELPOS_RIGHT)
00350      {
00351           <span class="keywordtype">int</span> xDelta = BoundingRect.<a class="code" href="classwGui_1_1CRect.html#a11">Right</a>() - ParentRect.<a class="code" href="classwGui_1_1CRect.html#a10">Left</a>() + MenuRect.<a class="code" href="classwGui_1_1CRect.html#a23">Width</a>();
00352           <span class="keywordflow">if</span> (!(BoundingRect.<a class="code" href="classwGui_1_1CRect.html#a32">HitTest</a>(ParentRect.<a class="code" href="classwGui_1_1CRect.html#a15">BottomLeft</a>() + <a class="code" href="classwGui_1_1CPoint.html">CPoint</a>(xDelta, 0)) &amp; CRect::RELPOS_LEFT))
00353           {
00354                <a class="code" href="classwGui_1_1CMenuBase.html#n4">m_pActivePopup</a>-&gt;<a class="code" href="classwGui_1_1CPopupMenu.html#a2">Show</a>(ParentRect.<a class="code" href="classwGui_1_1CRect.html#a15">BottomLeft</a>() + <a class="code" href="classwGui_1_1CPoint.html">CPoint</a>(xDelta, 5));
00355           }
00356      }
00357      <span class="keywordflow">else</span>
00358      {
00359           <a class="code" href="classwGui_1_1CMenuBase.html#n4">m_pActivePopup</a>-&gt;<a class="code" href="classwGui_1_1CPopupMenu.html#a2">Show</a>(ParentRect.<a class="code" href="classwGui_1_1CRect.html#a15">BottomLeft</a>() + <a class="code" href="classwGui_1_1CPoint.html">CPoint</a>(0, 5));
00360      }
00361      <span class="comment">// Pop the popup to the top of the draw order and everything</span>
00362      <a class="code" href="classwGui_1_1CMenuBase.html#n4">m_pActivePopup</a>-&gt;<a class="code" href="classwGui_1_1CWindow.html#a24">SetNewParent</a>(<a class="code" href="classwGui_1_1CMenuBase.html#n4">m_pActivePopup</a>-&gt;<a class="code" href="classwGui_1_1CWindow.html#a8">GetAncestor</a>(<a class="code" href="classwGui_1_1CWindow.html#s2s0">PARENT</a>));
00363 }
00364 
00365 
00366 <span class="comment">// CPopupMenu</span>
00367 
<a name="l00368"></a><a class="code" href="classwGui_1_1CPopupMenu.html#a0">00368</a> CPopupMenu::CPopupMenu(<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) :
00369      <a class="code" href="classwGui_1_1CMenuBase.html">CMenuBase</a>(WindowRect, pParent, pFontEngine),
00370      m_pParentMenu(0)
00371 {
00372   <a class="code" href="classwGui_1_1CWindow.html#n8">m_sClassName</a> = <span class="stringliteral">"CPopupMenu"</span>;
00373      <a class="code" href="classwGui_1_1CWindow.html#n7">m_bVisible</a> = <span class="keyword">false</span>;
00374      CMessageServer::Instance().RegisterMessageClient(<span class="keyword">this</span>, CMessage::MOUSE_BUTTONDOWN);
00375 }
00376 
00377 
<a name="l00378"></a><a class="code" href="classwGui_1_1CPopupMenu.html#a1">00378</a> CPopupMenu::~CPopupMenu(<span class="keywordtype">void</span>)
00379 {
00380 
00381 }
00382 
00383 
<a name="l00384"></a><a class="code" href="classwGui_1_1CPopupMenu.html#a2">00384</a> <span class="keywordtype">void</span> CPopupMenu::Show(<a class="code" href="classwGui_1_1CPoint.html">CPoint</a> Position)
00385 {
00386      <span class="keywordflow">if</span> (m_bVisible)
00387      {
00388           <a class="code" href="classwGui_1_1CPopupMenu.html#a3">Hide</a>();
00389      }
00390 
00391      <span class="keywordtype">int</span> iHeight = 4;
00392      <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)
00393      {
00394           <span class="keywordflow">if</span> (iter-&gt;first.bSpacer)
00395                iHeight += 6;
00396           <span class="keywordflow">else</span>
00397           {
00398                <a class="code" href="classwGui_1_1CPoint.html">CPoint</a> Dims;
00399                iter-&gt;second.first.GetMetrics(&amp;Dims, 0, 0);
00400                iHeight += Dims.<a class="code" href="classwGui_1_1CPoint.html#a7">YPos</a>() + 5;
00401           }
00402      }
00403      <a class="code" href="classwGui_1_1CWindow.html#a2">SetWindowRect</a>(<a class="code" href="classwGui_1_1CRect.html">CRect</a>(Position, Position + <a class="code" href="classwGui_1_1CPoint.html">CPoint</a>(<a class="code" href="classwGui_1_1CWindow.html#n1">m_WindowRect</a>.<a class="code" href="classwGui_1_1CRect.html#a23">Width</a>() - 1, iHeight + 2)));
00404      <a class="code" href="classwGui_1_1CWindow.html#n7">m_bVisible</a> = <span class="keyword">true</span>;
00405      <a class="code" href="classwGui_1_1CWindow.html#a23">StartDrawProc</a>();
00406 }
00407 
00408 
<a name="l00409"></a><a class="code" href="classwGui_1_1CPopupMenu.html#a3">00409</a> <span class="keywordtype">void</span> CPopupMenu::Hide(<span class="keywordtype">void</span>)
00410 {
00411      <a class="code" href="classwGui_1_1CMenuBase.html#a5">HideActivePopup</a>();
00412      <a class="code" href="classwGui_1_1CWindow.html#n7">m_bVisible</a> = <span class="keyword">false</span>;
00413      <a class="code" href="classwGui_1_1CMenuBase.html#n3">m_bCachedRectsValid</a> = <span class="keyword">false</span>;
00414      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>));
00415      <a class="code" href="classwGui_1_1CMenuBase.html#n2">m_pHighlightedItem</a> = 0;
00416 }
00417 
00418 
<a name="l00419"></a><a class="code" href="classwGui_1_1CPopupMenu.html#a4">00419</a> <span class="keywordtype">void</span> CPopupMenu::HideAll(<span class="keywordtype">void</span>)
00420 {
00421      <a class="code" href="classwGui_1_1CPopupMenu.html">CPopupMenu</a>* pParentPopup = dynamic_cast&lt;CPopupMenu*&gt;(m_pParentWindow);
00422      <span class="keywordflow">if</span> (pParentPopup)
00423      {
00424           pParentPopup-&gt;<a class="code" href="classwGui_1_1CPopupMenu.html#a4">HideAll</a>();
00425      }
00426      <span class="keywordflow">else</span>
00427      {
00428           <a class="code" href="classwGui_1_1CMenu.html">CMenu</a>* pRootMenu = dynamic_cast&lt;CMenu*&gt;(m_pParentWindow);
00429           <span class="keywordflow">if</span> (pRootMenu)
00430           {
00431                pRootMenu-&gt;<a class="code" href="classwGui_1_1CMenuBase.html#a5">HideActivePopup</a>();
00432           }
00433           <span class="keywordflow">else</span>
00434           {
00435                <a class="code" href="classwGui_1_1CPopupMenu.html#a3">Hide</a>();
00436           }
00437      }
00438 }
00439 
00440 
<a name="l00441"></a><a class="code" href="classwGui_1_1CPopupMenu.html#a5">00441</a> <span class="keywordtype">bool</span> CPopupMenu::IsInsideChild(<a class="code" href="classwGui_1_1CPoint.html">CPoint</a>&amp; Point)
00442 {
00443      <span class="keywordflow">if</span> (<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)
00444      {
00445           <span class="keywordflow">return</span> <span class="keyword">true</span>;
00446      }
00447      <span class="keywordflow">if</span> (!<a class="code" href="classwGui_1_1CMenuBase.html#n4">m_pActivePopup</a>)
00448      {
00449           <span class="keywordflow">return</span> <span class="keyword">false</span>;
00450      }
00451      <span class="keywordflow">return</span> <a class="code" href="classwGui_1_1CMenuBase.html#n4">m_pActivePopup</a>-&gt;<a class="code" href="classwGui_1_1CPopupMenu.html#a5">IsInsideChild</a>(Point);
00452 }
00453 
00454 
<a name="l00455"></a><a class="code" href="classwGui_1_1CPopupMenu.html#a8">00455</a> <span class="keywordtype">void</span> CPopupMenu::Draw(<span class="keywordtype">void</span>)<span class="keyword"> const</span>
00456 <span class="keyword"></span>{
00457      CWindow::Draw();
00458 
00459      <a class="code" href="classwGui_1_1CPainter.html">CPainter</a> Painter(<a class="code" href="classwGui_1_1CWindow.html#n6">m_pSDLSurface</a>);
00460      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_LIGHTGRAY);
00461      Painter.<a class="code" href="classwGui_1_1CPainter.html#a3">DrawHLine</a>(<a class="code" href="classwGui_1_1CWindow.html#n1">m_WindowRect</a>.<a class="code" href="classwGui_1_1CRect.html#a10">Left</a>(), <a class="code" href="classwGui_1_1CWindow.html#n1">m_WindowRect</a>.<a class="code" href="classwGui_1_1CRect.html#a11">Right</a>(), <a class="code" href="classwGui_1_1CWindow.html#n1">m_WindowRect</a>.<a class="code" href="classwGui_1_1CRect.html#a12">Bottom</a>(), COLOR_DARKGRAY);
00462      Painter.<a class="code" href="classwGui_1_1CPainter.html#a4">DrawVLine</a>(<a class="code" href="classwGui_1_1CWindow.html#n1">m_WindowRect</a>.<a class="code" href="classwGui_1_1CRect.html#a9">Top</a>(), <a class="code" href="classwGui_1_1CWindow.html#n1">m_WindowRect</a>.<a class="code" href="classwGui_1_1CRect.html#a12">Bottom</a>(), <a class="code" href="classwGui_1_1CWindow.html#n1">m_WindowRect</a>.<a class="code" href="classwGui_1_1CRect.html#a11">Right</a>(), COLOR_DARKGRAY);
00463      <a class="code" href="classwGui_1_1CPopupMenu.html#b0">UpdateCachedRects</a>();
00464      <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)
00465      {
00466           <span class="keywordflow">if</span> (<a class="code" href="classwGui_1_1CMenuBase.html#n2">m_pHighlightedItem</a> == &amp;(iter-&gt;first))
00467           {
00468                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>);
00469           }
00470           <a class="code" href="classwGui_1_1CRect.html">CRect</a> TextRect(iter-&gt;second.second);
00471           TextRect.<a class="code" href="classwGui_1_1CRect.html#a28">Grow</a>(-2);
00472           <span class="keywordflow">if</span> (iter-&gt;first.bSpacer)
00473           {
00474                Painter.<a class="code" href="classwGui_1_1CPainter.html#a3">DrawHLine</a>(TextRect.<a class="code" href="classwGui_1_1CRect.html#a10">Left</a>(), TextRect.<a class="code" href="classwGui_1_1CRect.html#a11">Right</a>(), TextRect.<a class="code" href="classwGui_1_1CRect.html#a9">Top</a>(), COLOR_LIGHTGRAY);
00475                Painter.<a class="code" href="classwGui_1_1CPainter.html#a3">DrawHLine</a>(TextRect.<a class="code" href="classwGui_1_1CRect.html#a10">Left</a>(), TextRect.<a class="code" href="classwGui_1_1CRect.html#a11">Right</a>(), TextRect.<a class="code" href="classwGui_1_1CRect.html#a12">Bottom</a>(), COLOR_DARKGRAY);
00476           }
00477           <span class="keywordflow">else</span>
00478                iter-&gt;second.first.Draw(<a class="code" href="classwGui_1_1CWindow.html#n6">m_pSDLSurface</a>, TextRect, TextRect.<a class="code" href="classwGui_1_1CRect.html#a13">TopLeft</a>());
00479           <span class="keywordflow">if</span> (iter-&gt;first.pPopup)
00480           {
00481                <a class="code" href="classwGui_1_1CRect.html">CRect</a> ArrowRect(iter-&gt;second.second);
00482                ArrowRect.<a class="code" href="classwGui_1_1CRect.html#a6">SetLeft</a>(ArrowRect.<a class="code" href="classwGui_1_1CRect.html#a11">Right</a>() - <a class="code" href="classwGui_1_1CMenuBase.html#n5">m_hRightArrowBitmap</a>.<a class="code" href="classwGui_1_1CBitmapResourceHandle.html#a3">Bitmap</a>()-&gt;w);
00483                SDL_Rect SourceRect;
00484                SourceRect.x = static_cast&lt;short int&gt;(0);
00485                SourceRect.y = static_cast&lt;short int&gt;((<a class="code" href="classwGui_1_1CMenuBase.html#n5">m_hRightArrowBitmap</a>.<a class="code" href="classwGui_1_1CBitmapResourceHandle.html#a3">Bitmap</a>()-&gt;h - ArrowRect.<a class="code" href="classwGui_1_1CRect.html#a24">Height</a>()) / 2 &lt; 0 ?
00486                     0 : (<a class="code" href="classwGui_1_1CMenuBase.html#n5">m_hRightArrowBitmap</a>.<a class="code" href="classwGui_1_1CBitmapResourceHandle.html#a3">Bitmap</a>()-&gt;h - ArrowRect.<a class="code" href="classwGui_1_1CRect.html#a24">Height</a>()) / 2);
00487                SourceRect.w = static_cast&lt;short int&gt;(<a class="code" href="classwGui_1_1CMenuBase.html#n5">m_hRightArrowBitmap</a>.<a class="code" href="classwGui_1_1CBitmapResourceHandle.html#a3">Bitmap</a>()-&gt;w);