wg__frame_8cpp-source.html

一个小巧的嵌入式图形系统wGUI, 可以用VC编译

<a name="l00135"></a><a class="code" href="classwGui_1_1CFrame.html#a11">00135</a> <span class="keywordtype">void</span> CFrame::SetWindowText(<span class="keyword">const</span> std::string&amp; sWindowText)
00136 {
00137      CWindow::SetWindowText(sWindowText);
00138      std::auto_ptr&lt;CRenderedString&gt; pRenderedString(<span class="keyword">new</span> <a class="code" href="classwGui_1_1CRenderedString.html">CRenderedString</a>(<a class="code" href="classwGui_1_1CFrame.html#n4">m_pFontEngine</a>, sWindowText, CRenderedString::VALIGN_CENTER));
00139      <a class="code" href="classwGui_1_1CFrame.html#n5">m_pRenderedString</a> = pRenderedString;
00140      <a class="code" href="classwGui_1_1CWindow.html#a23">StartDrawProc</a>();
00141 }
00142 
00143 
<a name="l00144"></a><a class="code" href="classwGui_1_1CFrame.html#a12">00144</a> <span class="keywordtype">bool</span> CFrame::OnMouseButtonDown(<a class="code" href="classwGui_1_1CPoint.html">CPoint</a> Point, <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> Button)
00145 {
00146      <span class="keywordtype">bool</span> bResult = <span class="keyword">false</span>;
00147 
00148      <span class="keywordflow">if</span> (! CWindow::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))
00149      {
00150           <span class="keywordflow">if</span> (m_TitleBarRect.<a class="code" href="classwGui_1_1CRect.html#a32">HitTest</a>(Point) == CRect::RELPOS_INSIDE)
00151           {
00152                m_bDragMode = <span class="keyword">true</span>;
00153                m_DragPointerStart = Point;
00154           }
00155           <a class="code" href="classwGui_1_1CWindow.html#a24">SetNewParent</a>(<a class="code" href="classwGui_1_1CWindow.html#n4">m_pParentWindow</a>);     <span class="comment">// This moves the window to the top</span>
00156           bResult = <span class="keyword">true</span>;
00157      }
00158 
00159      <span class="keywordflow">return</span> bResult;
00160 }
00161 
00162 
<a name="l00163"></a><a class="code" href="classwGui_1_1CFrame.html#a13">00163</a> <span class="keywordtype">bool</span> CFrame::HandleMessage(<a class="code" href="classwGui_1_1CMessage.html">CMessage</a>* pMessage)
00164 {
00165      <span class="keywordtype">bool</span> bHandled = <span class="keyword">false</span>;
00166 
00167      <span class="keywordflow">if</span> (pMessage)
00168      {
00169           <span class="keywordflow">switch</span>(pMessage-&gt;<a class="code" href="classwGui_1_1CMessage.html#a2">MessageType</a>())
00170           {
00171           <span class="keywordflow">case</span> CMessage::MOUSE_BUTTONUP:
00172           {
00173                <a class="code" href="classwGui_1_1CMouseMessage.html">CMouseMessage</a>* pMouseMessage = dynamic_cast&lt;CMouseMessage*&gt;(pMessage);
00174                <span class="keywordflow">if</span> (pMouseMessage &amp;&amp; m_bDragMode)
00175                {
00176                     m_bDragMode = <span class="keyword">false</span>;
00177                     <a class="code" href="classwGui_1_1CPoint.html">CPoint</a> MoveDistance = pMouseMessage-&gt;<a class="code" href="classwGui_1_1CMouseMessage.html#m0">Point</a> - m_DragPointerStart;
00178                     <a class="code" href="classwGui_1_1CRect.html">CRect</a> Bounds = <a class="code" href="classwGui_1_1CWindow.html#n4">m_pParentWindow</a>-&gt;<a class="code" href="classwGui_1_1CWindow.html#a5">GetClientRect</a>();
00179                     <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#a11">Right</a>() + MoveDistance.<a class="code" href="classwGui_1_1CPoint.html#a6">XPos</a>() &gt; Bounds.<a class="code" href="classwGui_1_1CRect.html#a11">Right</a>())
00180                     {
00181                          MoveDistance.<a class="code" href="classwGui_1_1CPoint.html#a4">SetX</a>(Bounds.<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#a11">Right</a>());
00182                     }
00183                     <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#a10">Left</a>() + MoveDistance.<a class="code" href="classwGui_1_1CPoint.html#a6">XPos</a>() &lt; Bounds.<a class="code" href="classwGui_1_1CRect.html#a10">Left</a>())
00184                     {
00185                          MoveDistance.<a class="code" href="classwGui_1_1CPoint.html#a4">SetX</a>(Bounds.<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#a10">Left</a>());
00186                     }
00187                     <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#a12">Bottom</a>() + MoveDistance.<a class="code" href="classwGui_1_1CPoint.html#a7">YPos</a>() &gt; Bounds.<a class="code" href="classwGui_1_1CRect.html#a12">Bottom</a>())
00188                     {
00189                          MoveDistance.<a class="code" href="classwGui_1_1CPoint.html#a5">SetY</a>(Bounds.<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#a12">Bottom</a>());
00190                     }
00191                     <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#a9">Top</a>() + MoveDistance.<a class="code" href="classwGui_1_1CPoint.html#a7">YPos</a>() &lt; Bounds.<a class="code" href="classwGui_1_1CRect.html#a9">Top</a>())
00192                     {
00193                          MoveDistance.<a class="code" href="classwGui_1_1CPoint.html#a5">SetY</a>(Bounds.<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#a9">Top</a>());
00194                     }
00195                     <a class="code" href="classwGui_1_1CFrame.html#a10">MoveWindow</a>(MoveDistance);
00196                     <span class="keywordflow">if</span> (m_pSavedSurface)
00197                     {
00198                          SDL_Rect SourceRect = m_SavedSurfaceRect.<a class="code" href="classwGui_1_1CRect.html#a22">SDLRect</a>();
00199                          SourceRect.x = 0;
00200                          SourceRect.y = 0;
00201                          SDL_Rect DestRect = m_SavedSurfaceRect.<a class="code" href="classwGui_1_1CRect.html#a22">SDLRect</a>();
00202                          SDL_BlitSurface(m_pSavedSurface, &amp;SourceRect, <a class="code" href="classwGui_1_1CWindow.html#n6">m_pSDLSurface</a>, &amp;DestRect);
00203                          SDL_FreeSurface(m_pSavedSurface);
00204                          m_pSavedSurface = 0;
00205                     }
00206                     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>));
00207                     bHandled = <span class="keyword">true</span>;
00208                }
00209                <span class="keywordflow">break</span>;
00210           }
00211           <span class="keywordflow">case</span> CMessage::MOUSE_MOVE:
00212           {
00213                <a class="code" href="classwGui_1_1CMouseMessage.html">CMouseMessage</a>* pMouseMessage = dynamic_cast&lt;CMouseMessage*&gt;(pMessage);
00214                <span class="keywordflow">if</span> (pMouseMessage &amp;&amp; m_bDragMode)
00215                {
00216                     <span class="keywordflow">if</span> (m_pSavedSurface)
00217                     {
00218                          SDL_Rect SourceRect = m_SavedSurfaceRect.<a class="code" href="classwGui_1_1CRect.html#a22">SDLRect</a>();
00219                          SourceRect.x = 0;
00220                          SourceRect.y = 0;
00221                          SDL_Rect DestRect = m_SavedSurfaceRect.<a class="code" href="classwGui_1_1CRect.html#a22">SDLRect</a>();
00222                          SDL_BlitSurface(m_pSavedSurface, &amp;SourceRect, <a class="code" href="classwGui_1_1CWindow.html#n6">m_pSDLSurface</a>, &amp;DestRect);
00223                          SDL_UpdateRect(<a class="code" href="classwGui_1_1CWindow.html#n6">m_pSDLSurface</a>, m_SavedSurfaceRect.<a class="code" href="classwGui_1_1CRect.html#a10">Left</a>(), m_SavedSurfaceRect.<a class="code" href="classwGui_1_1CRect.html#a9">Top</a>(), m_SavedSurfaceRect.<a class="code" href="classwGui_1_1CRect.html#a23">Width</a>(), m_SavedSurfaceRect.<a class="code" href="classwGui_1_1CRect.html#a24">Height</a>());
00224                     }
00225                     <span class="keywordflow">else</span>
00226                     {
00227                          m_pSavedSurface = SDL_CreateRGBSurface(SDL_SWSURFACE, <a class="code" href="classwGui_1_1CWindow.html#n1">m_WindowRect</a>.<a class="code" href="classwGui_1_1CRect.html#a23">Width</a>(), <a class="code" href="classwGui_1_1CWindow.html#n1">m_WindowRect</a>.<a class="code" href="classwGui_1_1CRect.html#a24">Height</a>(), 32, 0x000000FF, 0x0000FF00, 0x00FF0000, 0xFF000000);
00228                     }
00229                     m_SavedSurfaceRect = <a class="code" href="classwGui_1_1CWindow.html#n1">m_WindowRect</a> + pMouseMessage-&gt;<a class="code" href="classwGui_1_1CMouseMessage.html#m0">Point</a> - m_DragPointerStart;
00230                     SDL_Rect DestRect = m_SavedSurfaceRect.<a class="code" href="classwGui_1_1CRect.html#a22">SDLRect</a>();
00231                     DestRect.x = 0;
00232                     DestRect.y = 0;
00233                     SDL_Rect SourceRect = m_SavedSurfaceRect.<a class="code" href="classwGui_1_1CRect.html#a22">SDLRect</a>();
00234                     SDL_BlitSurface(<a class="code" href="classwGui_1_1CWindow.html#n6">m_pSDLSurface</a>, &amp;SourceRect, m_pSavedSurface, &amp;DestRect);
00235 
00236                     <a class="code" href="classwGui_1_1CPainter.html">CPainter</a> Painter(<a class="code" href="classwGui_1_1CWindow.html#n6">m_pSDLSurface</a>);
00237                     Painter.<a class="code" href="classwGui_1_1CPainter.html#a5">DrawRect</a>(m_SavedSurfaceRect, <span class="keyword">false</span>, COLOR_LIGHTGRAY);
00238 
00239                     SDL_UpdateRect(<a class="code" href="classwGui_1_1CWindow.html#n6">m_pSDLSurface</a>, m_SavedSurfaceRect.<a class="code" href="classwGui_1_1CRect.html#a10">Left</a>(), m_SavedSurfaceRect.<a class="code" href="classwGui_1_1CRect.html#a9">Top</a>(), m_SavedSurfaceRect.<a class="code" href="classwGui_1_1CRect.html#a23">Width</a>(), m_SavedSurfaceRect.<a class="code" href="classwGui_1_1CRect.html#a24">Height</a>());
00240                }
00241                <span class="keywordflow">break</span>;
00242           }
00243           <span class="keywordflow">case</span> CMessage::CTRL_LCLICK:
00244           {
00245                <span class="keywordflow">if</span> (pMessage-&gt;<a class="code" href="classwGui_1_1CMessage.html#a3">Destination</a>() == <span class="keyword">this</span>)
00246                {
00247                     <span class="keywordflow">if</span> (pMessage-&gt;<a class="code" href="classwGui_1_1CMessage.html#a4">Source</a>() == <a class="code" href="classwGui_1_1CFrame.html#n0">m_pFrameCloseButton</a>)
00248                     {
00249                          <span class="comment">// suicide the frame by detaching it from it's parent, queing up an APP_PAINT message, then deleting itself</span>
00250                          <a class="code" href="classwGui_1_1CWindow.html#a24">SetNewParent</a>(0);
00251                          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>));
00252                          <span class="keyword">delete</span> <span class="keyword">this</span>;
00253                          bHandled = <span class="keyword">true</span>;
00254                     }
00255                }
00256                <span class="keywordflow">break</span>;
00257           }
00258           <span class="keywordflow">default</span> :
00259                bHandled = CWindow::HandleMessage(pMessage);
00260                <span class="keywordflow">break</span>;
00261           }
00262      }
00263 
00264      <span class="keywordflow">return</span> bHandled;
00265 }
00266 
00267 }
00268 
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