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CEF4Delphi/docs/html/uCEFViewDelegate.TCefViewDelegateOwn.html
Salvador Díaz Fau e3cd6821c8 Update to CEF 125.0.19
2024-05-28 15:50:48 +02:00

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<title>cef4delphi: uCEFViewDelegate: Class TCefViewDelegateOwn</title>
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<span id="TCefViewDelegateOwn"></span><h1 class="cio">Class TCefViewDelegateOwn</h1>
<div class="sections">
<div class="one_section"><a class="section" href="#PasDoc-Description">Description</a></div><div class="one_section"><a class="section" href="#PasDoc-Hierarchy">Hierarchy</a></div><div class="one_section">Fields</div><div class="one_section"><a class="section" href="#PasDoc-Methods">Methods</a></div><div class="one_section">Properties</div></div>
<span id="PasDoc-Description"></span><h2 class="unit">Unit</h2>
<p class="unitlink">
<a href="uCEFViewDelegate.html">uCEFViewDelegate</a></p>
<h2 class="declaration">Declaration</h2>
<p class="declaration">
<code>type TCefViewDelegateOwn = class(<a class="normal" href="uCEFBaseRefCounted.TCefBaseRefCountedOwn.html">TCefBaseRefCountedOwn</a>, <a class="normal" href="uCEFInterfaces.ICefViewDelegate.html">ICefViewDelegate</a>)</code></p>
<h2 class="description">Description</h2>
<p>
Implement this interface to handle view events. All size and position values are in density independent pixels (DIP) unless otherwise indicated. The functions of this interface will be called on the browser process UI thread unless otherwise indicated. </p>
<p>
<p>&lt;see href=&quot;<a href="https://bitbucket.org/chromiumembedded/cef/src/master/include/capi/views/cef_view_delegate_capi.h">https://bitbucket.org/chromiumembedded/cef/src/master/include/capi/views/cef_view_delegate_capi.h</a>&quot;&gt;CEF source file: /include/capi/views/cef_view_delegate_capi.h (cef_view_delegate_t))</p>
<span id="PasDoc-Hierarchy"></span><h2 class="hierarchy">Hierarchy</h2>
<ul class="hierarchy"><li class="ancestor">TInterfacedObject</li>
<li class="ancestor"><a class="normal" href="uCEFBaseRefCounted.TCefBaseRefCountedOwn.html">TCefBaseRefCountedOwn</a></li>
<li class="thisitem">TCefViewDelegateOwn</li></ul><h2 class="overview">Overview</h2>
<span id="PasDoc-Methods"></span><h3 class="summary">Methods</h3>
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<td class="itemcode"><code>procedure <strong><a href="uCEFViewDelegate.TCefViewDelegateOwn.html#OnGetPreferredSize-ICefView-TCefSize-">OnGetPreferredSize</a></strong>(const view: <a href="uCEFInterfaces.ICefView.html">ICefView</a>; var aResult : <a href="uCEFTypes.TCefSize.html">TCefSize</a>); virtual;</code></td>
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<td class="visibility"><a href="legend.html"><img src="protected.gif" alt="Protected" title="Protected"></a></td>
<td class="itemcode"><code>procedure <strong><a href="uCEFViewDelegate.TCefViewDelegateOwn.html#OnGetMinimumSize-ICefView-TCefSize-">OnGetMinimumSize</a></strong>(const view: <a href="uCEFInterfaces.ICefView.html">ICefView</a>; var aResult : <a href="uCEFTypes.TCefSize.html">TCefSize</a>); virtual;</code></td>
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<td class="visibility"><a href="legend.html"><img src="protected.gif" alt="Protected" title="Protected"></a></td>
<td class="itemcode"><code>procedure <strong><a href="uCEFViewDelegate.TCefViewDelegateOwn.html#OnGetMaximumSize-ICefView-TCefSize-">OnGetMaximumSize</a></strong>(const view: <a href="uCEFInterfaces.ICefView.html">ICefView</a>; var aResult : <a href="uCEFTypes.TCefSize.html">TCefSize</a>); virtual;</code></td>
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<td class="visibility"><a href="legend.html"><img src="protected.gif" alt="Protected" title="Protected"></a></td>
<td class="itemcode"><code>procedure <strong><a href="uCEFViewDelegate.TCefViewDelegateOwn.html#OnGetHeightForWidth-ICefView-Integer-Integer-">OnGetHeightForWidth</a></strong>(const view: <a href="uCEFInterfaces.ICefView.html">ICefView</a>; width: Integer; var aResult: Integer); virtual;</code></td>
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<td class="visibility"><a href="legend.html"><img src="protected.gif" alt="Protected" title="Protected"></a></td>
<td class="itemcode"><code>procedure <strong><a href="uCEFViewDelegate.TCefViewDelegateOwn.html#OnParentViewChanged-ICefView-boolean-ICefView-">OnParentViewChanged</a></strong>(const view: <a href="uCEFInterfaces.ICefView.html">ICefView</a>; added: boolean; const parent: <a href="uCEFInterfaces.ICefView.html">ICefView</a>); virtual;</code></td>
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<td class="visibility"><a href="legend.html"><img src="protected.gif" alt="Protected" title="Protected"></a></td>
<td class="itemcode"><code>procedure <strong><a href="uCEFViewDelegate.TCefViewDelegateOwn.html#OnChildViewChanged-ICefView-boolean-ICefView-">OnChildViewChanged</a></strong>(const view: <a href="uCEFInterfaces.ICefView.html">ICefView</a>; added: boolean; const child: <a href="uCEFInterfaces.ICefView.html">ICefView</a>); virtual;</code></td>
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<td class="visibility"><a href="legend.html"><img src="protected.gif" alt="Protected" title="Protected"></a></td>
<td class="itemcode"><code>procedure <strong><a href="uCEFViewDelegate.TCefViewDelegateOwn.html#OnWindowChanged-ICefView-boolean-">OnWindowChanged</a></strong>(const view: <a href="uCEFInterfaces.ICefView.html">ICefView</a>; added: boolean); virtual;</code></td>
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<td class="visibility"><a href="legend.html"><img src="protected.gif" alt="Protected" title="Protected"></a></td>
<td class="itemcode"><code>procedure <strong><a href="uCEFViewDelegate.TCefViewDelegateOwn.html#OnLayoutChanged-ICefView-TCefRect-">OnLayoutChanged</a></strong>(const view: <a href="uCEFInterfaces.ICefView.html">ICefView</a>; new_bounds: <a href="uCEFTypes.TCefRect.html">TCefRect</a>); virtual;</code></td>
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<td class="visibility"><a href="legend.html"><img src="protected.gif" alt="Protected" title="Protected"></a></td>
<td class="itemcode"><code>procedure <strong><a href="uCEFViewDelegate.TCefViewDelegateOwn.html#OnFocus-ICefView-">OnFocus</a></strong>(const view: <a href="uCEFInterfaces.ICefView.html">ICefView</a>); virtual;</code></td>
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<td class="visibility"><a href="legend.html"><img src="protected.gif" alt="Protected" title="Protected"></a></td>
<td class="itemcode"><code>procedure <strong><a href="uCEFViewDelegate.TCefViewDelegateOwn.html#OnBlur-ICefView-">OnBlur</a></strong>(const view: <a href="uCEFInterfaces.ICefView.html">ICefView</a>); virtual;</code></td>
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<td class="visibility"><a href="legend.html"><img src="protected.gif" alt="Protected" title="Protected"></a></td>
<td class="itemcode"><code>procedure <strong><a href="uCEFViewDelegate.TCefViewDelegateOwn.html#OnThemeChanged-ICefView-">OnThemeChanged</a></strong>(const view: <a href="uCEFInterfaces.ICefView.html">ICefView</a>); virtual;</code></td>
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<td class="visibility"><a href="legend.html"><img src="protected.gif" alt="Protected" title="Protected"></a></td>
<td class="itemcode"><code>procedure <strong><a href="uCEFViewDelegate.TCefViewDelegateOwn.html#InitializeCEFMethods">InitializeCEFMethods</a></strong>; virtual;</code></td>
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<td class="visibility"><a href="legend.html"><img src="public.gif" alt="Public" title="Public"></a></td>
<td class="itemcode"><code>constructor <strong><a href="uCEFViewDelegate.TCefViewDelegateOwn.html#Create">Create</a></strong>; virtual;</code></td>
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<h2 class="description">Description</h2>
<h3 class="detail">Methods</h3>
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<td class="itemcode"><span id="OnGetPreferredSize-ICefView-TCefSize-"></span><code>procedure <strong>OnGetPreferredSize</strong>(const view: <a href="uCEFInterfaces.ICefView.html">ICefView</a>; var aResult : <a href="uCEFTypes.TCefSize.html">TCefSize</a>); virtual;</code></td>
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<p>
Return the preferred size for |view|. The Layout will use this information to determine the display size. </p>
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<td class="visibility"><a href="legend.html"><img src="protected.gif" alt="Protected" title="Protected"></a></td>
<td class="itemcode"><span id="OnGetMinimumSize-ICefView-TCefSize-"></span><code>procedure <strong>OnGetMinimumSize</strong>(const view: <a href="uCEFInterfaces.ICefView.html">ICefView</a>; var aResult : <a href="uCEFTypes.TCefSize.html">TCefSize</a>); virtual;</code></td>
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<p>
Return the minimum size for |view|. </p>
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<td class="visibility"><a href="legend.html"><img src="protected.gif" alt="Protected" title="Protected"></a></td>
<td class="itemcode"><span id="OnGetMaximumSize-ICefView-TCefSize-"></span><code>procedure <strong>OnGetMaximumSize</strong>(const view: <a href="uCEFInterfaces.ICefView.html">ICefView</a>; var aResult : <a href="uCEFTypes.TCefSize.html">TCefSize</a>); virtual;</code></td>
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<p>
Return the maximum size for |view|. </p>
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<td class="visibility"><a href="legend.html"><img src="protected.gif" alt="Protected" title="Protected"></a></td>
<td class="itemcode"><span id="OnGetHeightForWidth-ICefView-Integer-Integer-"></span><code>procedure <strong>OnGetHeightForWidth</strong>(const view: <a href="uCEFInterfaces.ICefView.html">ICefView</a>; width: Integer; var aResult: Integer); virtual;</code></td>
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<p>
Return the height necessary to display |view| with the provided |width|. If not specified the result of get_preferred_size().height will be used by default. Override if |view|'s preferred height depends upon the width (for example, with Labels). </p>
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<td class="visibility"><a href="legend.html"><img src="protected.gif" alt="Protected" title="Protected"></a></td>
<td class="itemcode"><span id="OnParentViewChanged-ICefView-boolean-ICefView-"></span><code>procedure <strong>OnParentViewChanged</strong>(const view: <a href="uCEFInterfaces.ICefView.html">ICefView</a>; added: boolean; const parent: <a href="uCEFInterfaces.ICefView.html">ICefView</a>); virtual;</code></td>
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<p>
Called when the parent of |view| has changed. If |view| is being added to |parent| then |added| will be true (1). If |view| is being removed from |parent| then |added| will be false (0). If |view| is being reparented the remove notification will be sent before the add notification. Do not modify the view hierarchy in this callback. </p>
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<td class="visibility"><a href="legend.html"><img src="protected.gif" alt="Protected" title="Protected"></a></td>
<td class="itemcode"><span id="OnChildViewChanged-ICefView-boolean-ICefView-"></span><code>procedure <strong>OnChildViewChanged</strong>(const view: <a href="uCEFInterfaces.ICefView.html">ICefView</a>; added: boolean; const child: <a href="uCEFInterfaces.ICefView.html">ICefView</a>); virtual;</code></td>
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<p>
Called when a child of |view| has changed. If |child| is being added to |view| then |added| will be true (1). If |child| is being removed from |view| then |added| will be false (0). If |child| is being reparented the remove notification will be sent to the old parent before the add notification is sent to the new parent. Do not modify the view hierarchy in this callback. </p>
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<td class="visibility"><a href="legend.html"><img src="protected.gif" alt="Protected" title="Protected"></a></td>
<td class="itemcode"><span id="OnWindowChanged-ICefView-boolean-"></span><code>procedure <strong>OnWindowChanged</strong>(const view: <a href="uCEFInterfaces.ICefView.html">ICefView</a>; added: boolean); virtual;</code></td>
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<p>
Called when |view| is added or removed from the ICefWindow. </p>
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<td class="visibility"><a href="legend.html"><img src="protected.gif" alt="Protected" title="Protected"></a></td>
<td class="itemcode"><span id="OnLayoutChanged-ICefView-TCefRect-"></span><code>procedure <strong>OnLayoutChanged</strong>(const view: <a href="uCEFInterfaces.ICefView.html">ICefView</a>; new_bounds: <a href="uCEFTypes.TCefRect.html">TCefRect</a>); virtual;</code></td>
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<p>
Called when the layout of |view| has changed. </p>
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<td class="visibility"><a href="legend.html"><img src="protected.gif" alt="Protected" title="Protected"></a></td>
<td class="itemcode"><span id="OnFocus-ICefView-"></span><code>procedure <strong>OnFocus</strong>(const view: <a href="uCEFInterfaces.ICefView.html">ICefView</a>); virtual;</code></td>
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<p>
Called when |view| gains focus. </p>
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<td class="visibility"><a href="legend.html"><img src="protected.gif" alt="Protected" title="Protected"></a></td>
<td class="itemcode"><span id="OnBlur-ICefView-"></span><code>procedure <strong>OnBlur</strong>(const view: <a href="uCEFInterfaces.ICefView.html">ICefView</a>); virtual;</code></td>
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Called when |view| loses focus. </p>
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<td class="visibility"><a href="legend.html"><img src="protected.gif" alt="Protected" title="Protected"></a></td>
<td class="itemcode"><span id="OnThemeChanged-ICefView-"></span><code>procedure <strong>OnThemeChanged</strong>(const view: <a href="uCEFInterfaces.ICefView.html">ICefView</a>); virtual;</code></td>
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<p>
(
<p>Called when the theme for |view| has changed, after the new theme colors have already been applied. Views are notified via the component hierarchy in depth-first reverse order (children before parents).
<p>This will be called in the following cases:
<p></p>
<pre class="preformatted">
1. When |view|, or a parent of |view|, is added to a Window.
2. When the native/OS or Chrome theme changes for the Window that contains
|view|. See ICefWindowDelegate.OnThemeColorsChanged documentation.
3. When the client explicitly calls ICefWindow.ThemeChanged on the
Window that contains |view|.</pre>
<p>
<p>Optionally use this callback to override the new per-View theme colors by calling ICefView.SetBackgroundColor or the appropriate component- specific function. See ICefWindow.SetThemeColor documentation for how to customize additional Window theme colors.
<p>(</p>
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<td class="visibility"><a href="legend.html"><img src="protected.gif" alt="Protected" title="Protected"></a></td>
<td class="itemcode"><span id="InitializeCEFMethods"></span><code>procedure <strong>InitializeCEFMethods</strong>; virtual;</code></td>
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<p>
Links the methods in the internal CEF record data pointer with the methods in this class. </p>
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<td class="visibility"><a href="legend.html"><img src="public.gif" alt="Public" title="Public"></a></td>
<td class="itemcode"><span id="Create"></span><code>constructor <strong>Create</strong>; virtual;</code></td>
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<p class="nodescription">This item has no description.</p></td></tr>
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