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Files correlati : Commento : Spostamento in libraries delle librerie esterne di Campo per una maggiore pulizia e organizzazione git-svn-id: svn://10.65.10.50/branches/R_10_00@24150 c028cbd2-c16b-5b4b-a496-9718f37d4682
226 lines
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226 lines
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<h1>wxImageFileProperty Class Reference</h1><!-- doxytag: class="wxImageFileProperty" --><!-- doxytag: inherits="wxFileProperty" -->
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<p>Property representing image file(name).
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<a href="#_details">More...</a></p>
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<p><code>#include <advprops.h></code></p>
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<div class="dynheader">
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Inheritance diagram for wxImageFileProperty:</div>
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<div class="dynsection">
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<div class="center">
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<img src="classwxImageFileProperty.png" usemap="#wxImageFileProperty_map" alt=""/>
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<map id="wxImageFileProperty_map" name="wxImageFileProperty_map">
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<area href="classwxFileProperty.htm" alt="wxFileProperty" shape="rect" coords="0,56,130,80"/>
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<area href="classwxPGProperty.htm" alt="wxPGProperty" shape="rect" coords="0,0,130,24"/>
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</map>
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</div>
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</div>
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<p><a href="classwxImageFileProperty-members.htm">List of all members.</a></p>
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<table border="0" cellpadding="0" cellspacing="0">
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<tr><td colspan="2"><h2>Public Member Functions</h2></td></tr>
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<tr><td class="memItemLeft" align="right" valign="top">virtual void </td><td class="memItemRight" valign="bottom"><a class="el" href="classwxImageFileProperty.htm#afbcc832078fc722b822f9289cd4366ba">OnCustomPaint</a> (wxDC &dc, const wxRect &rect, <a class="el" href="structwxPGPaintData.htm">wxPGPaintData</a> &paintdata)</td></tr>
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<tr><td class="mdescLeft"> </td><td class="mdescRight">Override to paint an image in front of the property value text or drop-down list item (but only if <a class="el" href="classwxPGProperty.htm#a8c4008c4d7d148bd06f9db590301df76" title="Returns size of the custom painted image in front of property.">wxPGProperty::OnMeasureImage</a> is overridden as well). <a href="#afbcc832078fc722b822f9289cd4366ba"></a><br/></td></tr>
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<tr><td class="memItemLeft" align="right" valign="top">virtual wxSize </td><td class="memItemRight" valign="bottom"><a class="el" href="classwxImageFileProperty.htm#aa569befa5e2e6fcb7cbe563ae2a01e53">OnMeasureImage</a> (int item) const </td></tr>
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<tr><td class="mdescLeft"> </td><td class="mdescRight">Returns size of the custom painted image in front of property. <a href="#aa569befa5e2e6fcb7cbe563ae2a01e53"></a><br/></td></tr>
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<tr><td class="memItemLeft" align="right" valign="top">virtual void </td><td class="memItemRight" valign="bottom"><a class="el" href="classwxImageFileProperty.htm#a42428291b8abba3e237d05f57c351ae5">OnSetValue</a> ()</td></tr>
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<tr><td class="mdescLeft"> </td><td class="mdescRight">This virtual function is called after m_value has been set. <a href="#a42428291b8abba3e237d05f57c351ae5"></a><br/></td></tr>
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<tr><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="a92f6409f4ecf6eb79bc7044df9dc9420"></a><!-- doxytag: member="wxImageFileProperty::wxImageFileProperty" ref="a92f6409f4ecf6eb79bc7044df9dc9420" args="(const wxString &label=wxPG_LABEL, const wxString &name=wxPG_LABEL, const wxString &value=wxEmptyString)" -->
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</td><td class="memItemRight" valign="bottom"><b>wxImageFileProperty</b> (const wxString &label=wxPG_LABEL, const wxString &name=wxPG_LABEL, const wxString &value=wxEmptyString)</td></tr>
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<tr><td colspan="2"><h2>Protected Attributes</h2></td></tr>
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<tr><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="ae81b7c55e0b13254af74e1946095f80b"></a><!-- doxytag: member="wxImageFileProperty::m_pBitmap" ref="ae81b7c55e0b13254af74e1946095f80b" args="" -->
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wxBitmap * </td><td class="memItemRight" valign="bottom"><b>m_pBitmap</b></td></tr>
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<tr><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="ab42303a8371b09d52f1c9affd386fb50"></a><!-- doxytag: member="wxImageFileProperty::m_pImage" ref="ab42303a8371b09d52f1c9affd386fb50" args="" -->
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wxImage * </td><td class="memItemRight" valign="bottom"><b>m_pImage</b></td></tr>
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</table>
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<hr/><a name="_details"></a><h2>Detailed Description</h2>
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<p>Property representing image file(name). </p>
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<hr/><h2>Member Function Documentation</h2>
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<a class="anchor" id="afbcc832078fc722b822f9289cd4366ba"></a><!-- doxytag: member="wxImageFileProperty::OnCustomPaint" ref="afbcc832078fc722b822f9289cd4366ba" args="(wxDC &dc, const wxRect &rect, wxPGPaintData &paintdata)" -->
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<div class="memitem">
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<div class="memproto">
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<table class="memname">
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<tr>
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<td class="memname">virtual void wxImageFileProperty::OnCustomPaint </td>
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<td>(</td>
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<td class="paramtype">wxDC & </td>
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<td class="paramname"> <em>dc</em>, </td>
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</tr>
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<tr>
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<td class="paramkey"></td>
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<td></td>
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<td class="paramtype">const wxRect & </td>
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<td class="paramname"> <em>rect</em>, </td>
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</tr>
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<tr>
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<td class="paramkey"></td>
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<td></td>
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<td class="paramtype"><a class="el" href="structwxPGPaintData.htm">wxPGPaintData</a> & </td>
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<td class="paramname"> <em>paintdata</em></td><td> </td>
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</tr>
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<tr>
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<td></td>
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<td>)</td>
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<td></td><td></td><td><code> [virtual]</code></td>
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</tr>
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</table>
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</div>
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<div class="memdoc">
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<p>Override to paint an image in front of the property value text or drop-down list item (but only if <a class="el" href="classwxPGProperty.htm#a8c4008c4d7d148bd06f9db590301df76" title="Returns size of the custom painted image in front of property.">wxPGProperty::OnMeasureImage</a> is overridden as well). </p>
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<p>If property's <a class="el" href="classwxImageFileProperty.htm#aa569befa5e2e6fcb7cbe563ae2a01e53" title="Returns size of the custom painted image in front of property.">OnMeasureImage()</a> returns size that has height != 0 but less than row height ( < 0 has special meanings), <a class="el" href="classwxPropertyGrid.htm" title="wxPropertyGrid is a specialized two-column grid for editing properties such as strings...">wxPropertyGrid</a> calls this method to draw a custom image in a limited area in front of the editor control or value text/graphics, and if control has drop-down list, then the image is drawn there as well (even in the case <a class="el" href="classwxImageFileProperty.htm#aa569befa5e2e6fcb7cbe563ae2a01e53" title="Returns size of the custom painted image in front of property.">OnMeasureImage()</a> returned higher height than row height).</p>
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<p>NOTE: Following applies when <a class="el" href="classwxImageFileProperty.htm#aa569befa5e2e6fcb7cbe563ae2a01e53" title="Returns size of the custom painted image in front of property.">OnMeasureImage()</a> returns a "flexible" height ( using wxPG_FLEXIBLE_SIZE(W,H) macro), which implies variable height items: If rect.x is < 0, then this is a measure item call, which means that dc is invalid and only thing that should be done is to set paintdata.m_drawnHeight to the height of the image of item at index paintdata.m_choiceItem. This call may be done even as often as once every drop-down popup show.</p>
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<dl><dt><b>Parameters:</b></dt><dd>
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<table border="0" cellspacing="2" cellpadding="0">
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<tr><td valign="top"></td><td valign="top"><em>dc</em> </td><td>wxDC to paint on. </td></tr>
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<tr><td valign="top"></td><td valign="top"><em>rect</em> </td><td>Box reserved for custom graphics. Includes surrounding rectangle, if any. If x is < 0, then this is a measure item call (see above). </td></tr>
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<tr><td valign="top"></td><td valign="top"><em>paintdata</em> </td><td><a class="el" href="structwxPGPaintData.htm" title="Contains information relayed to property's OnCustomPaint.">wxPGPaintData</a> structure with much useful data.</td></tr>
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</table>
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</dd>
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</dl>
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<dl class="remark"><dt><b>Remarks:</b></dt><dd><ul>
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<li>You can actually exceed rect width, but if you do so then paintdata.m_drawnWidth must be set to the full width drawn in pixels.</li>
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<li>Due to technical reasons, rect's height will be default even if custom height was reported during measure call.</li>
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<li>Brush is guaranteed to be default background colour. It has been already used to clear the background of area being painted. It can be modified.</li>
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<li>Pen is guaranteed to be 1-wide 'black' (or whatever is the proper colour) pen for drawing framing rectangle. It can be changed as well. </li>
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</ul>
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</dd></dl>
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<dl class="see"><dt><b>See also:</b></dt><dd><a class="el" href="classwxFileProperty.htm#ac5d74ec31b9f790d6cc8dcf06f5bd98d">GetValueAsString</a> </dd></dl>
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<p>Reimplemented from <a class="el" href="classwxPGProperty.htm#ad0b00df4a3916cb80adfa1227c70baf4">wxPGProperty</a>.</p>
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</div>
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<a class="anchor" id="aa569befa5e2e6fcb7cbe563ae2a01e53"></a><!-- doxytag: member="wxImageFileProperty::OnMeasureImage" ref="aa569befa5e2e6fcb7cbe563ae2a01e53" args="(int item) const " -->
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<div class="memitem">
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<div class="memproto">
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<table class="memname">
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<tr>
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<td class="memname">virtual wxSize wxImageFileProperty::OnMeasureImage </td>
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<td>(</td>
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<td class="paramtype">int </td>
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<td class="paramname"> <em>item</em></td>
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<td> ) </td>
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<td> const<code> [virtual]</code></td>
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</tr>
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</table>
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</div>
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<div class="memdoc">
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<p>Returns size of the custom painted image in front of property. </p>
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<p>This method must be overridden to return non-default value if OnCustomPaint is to be called. </p>
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<dl><dt><b>Parameters:</b></dt><dd>
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<table border="0" cellspacing="2" cellpadding="0">
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<tr><td valign="top"></td><td valign="top"><em>item</em> </td><td>Normally -1, but can be an index to the property's list of items. </td></tr>
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</table>
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</dd>
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</dl>
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<dl class="remark"><dt><b>Remarks:</b></dt><dd><ul>
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<li>Default behavior is to return wxSize(0,0), which means no image.</li>
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<li>Default image width or height is indicated with dimension -1.</li>
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<li>You can also return wxPG_DEFAULT_IMAGE_SIZE which equals wxSize(-1, -1). </li>
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</ul>
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</dd></dl>
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<p>Reimplemented from <a class="el" href="classwxPGProperty.htm#a8c4008c4d7d148bd06f9db590301df76">wxPGProperty</a>.</p>
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</div>
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<a class="anchor" id="a42428291b8abba3e237d05f57c351ae5"></a><!-- doxytag: member="wxImageFileProperty::OnSetValue" ref="a42428291b8abba3e237d05f57c351ae5" args="()" -->
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<div class="memitem">
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<div class="memproto">
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<table class="memname">
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<tr>
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<td class="memname">virtual void wxImageFileProperty::OnSetValue </td>
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<td>(</td>
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<td class="paramname"></td>
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<td> ) </td>
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<td><code> [virtual]</code></td>
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</tr>
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</table>
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</div>
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<div class="memdoc">
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<p>This virtual function is called after m_value has been set. </p>
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<dl class="remark"><dt><b>Remarks:</b></dt><dd><ul>
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<li>If m_value was set to Null variant (ie. unspecified value), <a class="el" href="classwxImageFileProperty.htm#a42428291b8abba3e237d05f57c351ae5" title="This virtual function is called after m_value has been set.">OnSetValue()</a> will not be called.</li>
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<li>m_value may be of any variant type. Typically properties internally support only one variant type, and as such <a class="el" href="classwxImageFileProperty.htm#a42428291b8abba3e237d05f57c351ae5" title="This virtual function is called after m_value has been set.">OnSetValue()</a> provides a good opportunity to convert supported values into internal type.</li>
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<li>Default implementation does nothing. </li>
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</ul>
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</dd></dl>
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<p>Reimplemented from <a class="el" href="classwxFileProperty.htm#a7fa1939a2201238c3acf57620b28bb35">wxFileProperty</a>.</p>
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</div>
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</div>
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<hr/>The documentation for this class was generated from the following file:<ul>
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<li>advprops.h</li>
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</ul>
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</div>
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onkeydown="return searchBox.OnSearchSelectKey(event)">
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<a class="SelectItem" href="javascript:void(0)" onclick="searchBox.OnSelectItem(0)"><span class="SelectionMark"> </span>All</a><a class="SelectItem" href="javascript:void(0)" onclick="searchBox.OnSelectItem(1)"><span class="SelectionMark"> </span>Classes</a><a class="SelectItem" href="javascript:void(0)" onclick="searchBox.OnSelectItem(2)"><span class="SelectionMark"> </span>Functions</a><a class="SelectItem" href="javascript:void(0)" onclick="searchBox.OnSelectItem(3)"><span class="SelectionMark"> </span>Variables</a><a class="SelectItem" href="javascript:void(0)" onclick="searchBox.OnSelectItem(4)"><span class="SelectionMark"> </span>Enumerations</a><a class="SelectItem" href="javascript:void(0)" onclick="searchBox.OnSelectItem(5)"><span class="SelectionMark"> </span>Enumerator</a></div>
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<hr class="footer"/><address style="text-align: right;"><small>Generated on Sun Aug 22 12:42:14 2010 for wxPropertyGrid by
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<img class="footer" src="doxygen.png" alt="doxygen"/></a> 1.6.3 </small></address>
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