wg__editbox_8cpp-source.html

一个小巧的嵌入式图形系统wGUI, 可以用VC编译

00287                <span class="keywordflow">if</span> (pMouseMessage &amp;&amp; <a class="code" href="classwGui_1_1CWindow.html#n7">m_bVisible</a> &amp;&amp; !<a class="code" href="classwGui_1_1CEditBox.html#n7">m_bReadOnly</a>)
00288                {
00289                     <span class="comment">//If the cursor is within the control then check to see if we've already</span>
00290                     <span class="comment">// set the cursor to the I Beam, if we have, don't do anything.  If we</span>
00291                     <span class="comment">// havent, set it to the ibeam.</span>
00292                     <span class="comment">//Else if it's outside the control and the I Beam cursor is set, set it</span>
00293                     <span class="comment">// back to a normal cursor.</span>
00294                     <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>(pMouseMessage-&gt;<a class="code" href="classwGui_1_1CMouseMessage.html#m0">Point</a>) == CRect::RELPOS_INSIDE &amp;&amp; !<a class="code" href="classwGui_1_1CEditBox.html#n10">m_bLastMouseMoveInside</a>)
00295                     {
00296                          <a class="code" href="classwGui_1_1CEditBox.html#n10">m_bLastMouseMoveInside</a> = <span class="keyword">true</span>;
00297                          <a class="code" href="classwGui_1_1CwgCursorResourceHandle.html">CwgCursorResourceHandle</a> IBeamHandle(WGRES_IBEAM_CURSOR);
00298                          CApplication::Instance()-&gt;SetMouseCursor(&amp;IBeamHandle);
00299                     }
00300                     <span class="keywordflow">else</span> <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>(pMouseMessage-&gt;<a class="code" href="classwGui_1_1CMouseMessage.html#m0">Point</a>) != CRect::RELPOS_INSIDE &amp;&amp; <a class="code" href="classwGui_1_1CEditBox.html#n10">m_bLastMouseMoveInside</a>)
00301                     {
00302                          <a class="code" href="classwGui_1_1CEditBox.html#n10">m_bLastMouseMoveInside</a>= <span class="keyword">false</span>;
00303                          CApplication::Instance()-&gt;SetMouseCursor();
00304                     }
00305 
00306                     <span class="keywordflow">if</span> (m_bMouseDown)
00307                     {
00308                          <a class="code" href="classwGui_1_1CPoint.html">CPoint</a> Offset;
00309                          std::vector&lt;CRect&gt; CharRects;
00310                          <a class="code" href="classwGui_1_1CEditBox.html#n1">m_pRenderedString</a>-&gt;GetMetrics(0, &amp;Offset, &amp;CharRects);
00311 
00312                          <span class="keywordtype">int</span> xDelta = abs(pMouseMessage-&gt;<a class="code" href="classwGui_1_1CMouseMessage.html#m0">Point</a>.<a class="code" href="classwGui_1_1CPoint.html#a6">XPos</a>() - (CharRects[0].Left() + Offset.<a class="code" href="classwGui_1_1CPoint.html#a6">XPos</a>() + SubRect.<a class="code" href="classwGui_1_1CRect.html#a10">Left</a>() + <a class="code" href="classwGui_1_1CEditBox.html#n6">m_ScrollOffset</a>));
00313                          <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> CursorPos = 0;
00314                          <span class="keywordflow">for</span> (<span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> i = 0; i &lt; <a class="code" href="classwGui_1_1CEditBox.html#n1">m_pRenderedString</a>-&gt;GetLength(); ++i)
00315                          {
00316                               <span class="keywordflow">if</span> (abs(pMouseMessage-&gt;<a class="code" href="classwGui_1_1CMouseMessage.html#m0">Point</a>.<a class="code" href="classwGui_1_1CPoint.html#a6">XPos</a>() - (CharRects[i].Right() + Offset.<a class="code" href="classwGui_1_1CPoint.html#a6">XPos</a>() + SubRect.<a class="code" href="classwGui_1_1CRect.html#a10">Left</a>() + <a class="code" href="classwGui_1_1CEditBox.html#n6">m_ScrollOffset</a>)) &lt; xDelta)
00317                               {
00318                                    xDelta = abs(pMouseMessage-&gt;<a class="code" href="classwGui_1_1CMouseMessage.html#m0">Point</a>.<a class="code" href="classwGui_1_1CPoint.html#a6">XPos</a>() - (CharRects[i].Right() + Offset.<a class="code" href="classwGui_1_1CPoint.html#a6">XPos</a>() + SubRect.<a class="code" href="classwGui_1_1CRect.html#a10">Left</a>() + <a class="code" href="classwGui_1_1CEditBox.html#n6">m_ScrollOffset</a>));
00319                                    CursorPos = i + 1;
00320                               }
00321                          }
00322 
00323                          <span class="keywordflow">if</span> (CursorPos &lt; <a class="code" href="classwGui_1_1CEditBox.html#n5">m_DragStart</a>)
00324                          {
00325                               <a class="code" href="classwGui_1_1CEditBox.html#n4">m_SelLength</a> = <a class="code" href="classwGui_1_1CEditBox.html#n5">m_DragStart</a> - CursorPos;
00326                               <a class="code" href="classwGui_1_1CEditBox.html#n3">m_SelStart</a> = CursorPos;
00327                          }
00328                          <span class="keywordflow">else</span>
00329                          {
00330                               <a class="code" href="classwGui_1_1CEditBox.html#n3">m_SelStart</a> = <a class="code" href="classwGui_1_1CEditBox.html#n5">m_DragStart</a>;
00331                               <a class="code" href="classwGui_1_1CEditBox.html#n4">m_SelLength</a> = CursorPos - <a class="code" href="classwGui_1_1CEditBox.html#n3">m_SelStart</a>;
00332                          }
00333                          bHandled = <span class="keyword">true</span>;
00334                          <a class="code" href="classwGui_1_1CWindow.html#a23">StartDrawProc</a>();
00335                     }
00336                }
00337                <span class="keywordflow">break</span>;
00338           }
00339           <span class="keywordflow">case</span> CMessage::KEYBOARD_KEYDOWN:
00340                <span class="keywordflow">if</span> (m_bVisible)
00341                {
00342                     <a class="code" href="classwGui_1_1CKeyboardMessage.html">CKeyboardMessage</a>* pKeyboardMessage = dynamic_cast&lt;CKeyboardMessage*&gt;(pMessage);
00343                     <span class="keywordflow">if</span> (pKeyboardMessage &amp;&amp; pMessage-&gt;<a class="code" href="classwGui_1_1CMessage.html#a3">Destination</a>() == <span class="keyword">this</span> &amp;&amp; !<a class="code" href="classwGui_1_1CEditBox.html#n7">m_bReadOnly</a>)
00344                     {
00345                          std::string sBuffer = <a class="code" href="classwGui_1_1CWindow.html#n0">m_sWindowText</a>;
00346 
00347                          <span class="keywordflow">switch</span>(pKeyboardMessage-&gt;<a class="code" href="classwGui_1_1CKeyboardMessage.html#m2">Key</a>)
00348                          {
00349                          <span class="keywordflow">case</span> SDLK_BACKSPACE:
00350                               <span class="keywordflow">if</span> (<a class="code" href="classwGui_1_1CEditBox.html#n3">m_SelStart</a> &gt; 0)
00351                               {
00352                                    <span class="keywordflow">if</span> (<a class="code" href="classwGui_1_1CEditBox.html#n4">m_SelLength</a> &gt; 0)
00353                                    {
00354                                         <a class="code" href="classwGui_1_1CEditBox.html#b0">SelDelete</a>(&amp;sBuffer);
00355                                    }
00356                                    <span class="keywordflow">else</span>
00357                                    {
00358                                         sBuffer.erase(--<a class="code" href="classwGui_1_1CEditBox.html#n3">m_SelStart</a>, 1);
00359                                    }
00360                               }
00361                               <span class="keywordflow">break</span>;
00362 
00363                          <span class="keywordflow">case</span> SDLK_DELETE:
00364                               <span class="keywordflow">if</span> (static_cast&lt;unsigned int&gt;(m_SelStart) &lt; sBuffer.length())
00365                               {
00366                                    <span class="keywordflow">if</span> (<a class="code" href="classwGui_1_1CEditBox.html#n4">m_SelLength</a> &gt; 0)
00367                                    {
00368                                         <a class="code" href="classwGui_1_1CEditBox.html#b0">SelDelete</a>(&amp;sBuffer);
00369                                    }
00370                                    <span class="keywordflow">else</span>
00371                                    {
00372                                         sBuffer.erase(<a class="code" href="classwGui_1_1CEditBox.html#n3">m_SelStart</a>, 1);
00373                                    }
00374                               }
00375                               <span class="keywordflow">break</span>;
00376 
00377                          <span class="keywordflow">case</span> SDLK_LEFT:
00378                               <span class="keywordflow">if</span> (pKeyboardMessage-&gt;<a class="code" href="classwGui_1_1CKeyboardMessage.html#m1">Modifiers</a> &amp; KMOD_SHIFT) <span class="comment">//Shift modifier</span>
00379                          {
00380                                    <span class="keywordflow">if</span> (<a class="code" href="classwGui_1_1CEditBox.html#n3">m_SelStart</a> &gt; 0)
00381                                    {
00382                                         <span class="keywordflow">if</span> ((<a class="code" href="classwGui_1_1CEditBox.html#n4">m_SelLength</a> &gt; 0) || ((<a class="code" href="classwGui_1_1CEditBox.html#n3">m_SelStart</a> - abs(<a class="code" href="classwGui_1_1CEditBox.html#n4">m_SelLength</a>)) &gt; 0))
00383                                         {
00384                                              <span class="keywordflow">if</span> (pKeyboardMessage-&gt;<a class="code" href="classwGui_1_1CKeyboardMessage.html#m1">Modifiers</a> &amp; KMOD_CTRL)
00385                                              {
00386                                                   <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> pos = static_cast&lt;unsigned int&gt;(sBuffer.rfind(<span class="stringliteral">" "</span>, (<a class="code" href="classwGui_1_1CEditBox.html#n3">m_SelStart</a> + <a class="code" href="classwGui_1_1CEditBox.html#n4">m_SelLength</a>) - 1));
00387                                                   <span class="keywordflow">if</span> (pos != std::string::npos)
00388                                                   {
00389                                                        <a class="code" href="classwGui_1_1CEditBox.html#n4">m_SelLength</a> = pos - <a class="code" href="classwGui_1_1CEditBox.html#n3">m_SelStart</a>;
00390                                                   }
00391                                                   <span class="keywordflow">else</span>
00392                                                   {
00393                                                        <a class="code" href="classwGui_1_1CEditBox.html#n4">m_SelLength</a> = <a class="code" href="classwGui_1_1CEditBox.html#n3">m_SelStart</a> * -1;
00394                                                   }
00395                                              }
00396                                              <span class="keywordflow">else</span>
00397                                              {
00398                                                   <a class="code" href="classwGui_1_1CEditBox.html#n4">m_SelLength</a>--;
00399                                              }
00400                                         }
00401                                    }
00402                          }
00403                               <span class="keywordflow">else</span> <span class="keywordflow">if</span> (<a class="code" href="classwGui_1_1CEditBox.html#n4">m_SelLength</a> != 0)
00404                               {
00405                                    <span class="keywordflow">if</span> (<a class="code" href="classwGui_1_1CEditBox.html#n4">m_SelLength</a> &lt; 0)
00406                                    {
00407                                         <a class="code" href="classwGui_1_1CEditBox.html#n3">m_SelStart</a> = <a class="code" href="classwGui_1_1CEditBox.html#n3">m_SelStart</a> + <a class="code" href="classwGui_1_1CEditBox.html#n4">m_SelLength</a>;
00408                                    }
00409                                    <a class="code" href="classwGui_1_1CEditBox.html#n4">m_SelLength</a> = 0;
00410 
00411                               }
00412                               <span class="keywordflow">else</span> <span class="keywordflow">if</span> (<a class="code" href="classwGui_1_1CEditBox.html#n3">m_SelStart</a> &gt; 0)
00413                               {
00414                                    <span class="keywordflow">if</span> (pKeyboardMessage-&gt;<a class="code" href="classwGui_1_1CKeyboardMessage.html#m1">Modifiers</a> &amp; KMOD_CTRL)
00415                                    {
00416                                         <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> pos = static_cast&lt;unsigned int&gt;(sBuffer.rfind(<span class="stringliteral">" "</span>, <a class="code" href="classwGui_1_1CEditBox.html#n3">m_SelStart</a> - 1));
00417                                         <span class="keywordflow">if</span> (pos != std::string::npos)
00418                                         {
00419                                              <a class="code" href="classwGui_1_1CEditBox.html#n3">m_SelStart</a> = pos;
00420                                         }
00421                                         <span class="keywordflow">else</span>
00422                                         {
00423                                              <a class="code" href="classwGui_1_1CEditBox.html#n3">m_SelStart</a> = 0;
00424                                         }
00425                                    }
00426                                    <span class="keywordflow">else</span>
00427                                    {
00428                                         --<a class="code" href="classwGui_1_1CEditBox.html#n3">m_SelStart</a>;
00429                                    }
00430                                    <a class="code" href="classwGui_1_1CEditBox.html#n4">m_SelLength</a> = 0;
00431                               }
00432                               <span class="keywordflow">break</span>;
00433                          <span class="keywordflow">case</span> SDLK_RIGHT: