eric6/Documentation/Source/eric6.E5Gui.E5TextEditSearchWidget.html

Wed, 28 Apr 2021 19:42:28 +0200

author
Detlev Offenbach <detlev@die-offenbachs.de>
date
Wed, 28 Apr 2021 19:42:28 +0200
changeset 8268
6b8128e0c9d1
parent 7989
a21d673a8f99
permissions
-rw-r--r--

Modernized some code.

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<h1>eric6.E5Gui.E5TextEditSearchWidget</h1>

<p>
Module implementing a horizontal search widget for QTextEdit.
</p>
<h3>Global Attributes</h3>

<table>
<tr><td>None</td></tr>
</table>
<h3>Classes</h3>

<table>

<tr>
<td><a href="#E5TextEditSearchWidget">E5TextEditSearchWidget</a></td>
<td>Class implementing a horizontal search widget for QTextEdit.</td>
</tr>
<tr>
<td><a href="#E5TextEditType">E5TextEditType</a></td>
<td>Class defining the supported text edit types.</td>
</tr>
</table>
<h3>Functions</h3>

<table>
<tr><td>None</td></tr>
</table>
<hr />
<hr />
<a NAME="E5TextEditSearchWidget" ID="E5TextEditSearchWidget"></a>
<h2>E5TextEditSearchWidget</h2>

<p>
    Class implementing a horizontal search widget for QTextEdit.
</p>
<h3>Derived from</h3>
QWidget
<h3>Class Attributes</h3>

<table>
<tr><td>None</td></tr>
</table>
<h3>Class Methods</h3>

<table>
<tr><td>None</td></tr>
</table>
<h3>Methods</h3>

<table>

<tr>
<td><a href="#E5TextEditSearchWidget.__init__">E5TextEditSearchWidget</a></td>
<td>Constructor</td>
</tr>
<tr>
<td><a href="#E5TextEditSearchWidget.__addWidthForHeightLayout">__addWidthForHeightLayout</a></td>
<td>Private method to set the middle part of the layout.</td>
</tr>
<tr>
<td><a href="#E5TextEditSearchWidget.__find">__find</a></td>
<td>Private method to search the associated text edit.</td>
</tr>
<tr>
<td><a href="#E5TextEditSearchWidget.__findByReturnPressed">__findByReturnPressed</a></td>
<td>Private slot to handle the returnPressed signal of the findtext combobox.</td>
</tr>
<tr>
<td><a href="#E5TextEditSearchWidget.__findNextPrevCallback">__findNextPrevCallback</a></td>
<td>Private method to process the result of the last search.</td>
</tr>
<tr>
<td><a href="#E5TextEditSearchWidget.__findPrevNextQTextEdit">__findPrevNextQTextEdit</a></td>
<td>Private method to to search the associated edit widget of type QTextEdit.</td>
</tr>
<tr>
<td><a href="#E5TextEditSearchWidget.__findPrevNextQWebEngineView">__findPrevNextQWebEngineView</a></td>
<td>Private method to to search the associated edit widget of type QWebEngineView.</td>
</tr>
<tr>
<td><a href="#E5TextEditSearchWidget.__setFindtextComboBackground">__setFindtextComboBackground</a></td>
<td>Private slot to change the findtext combo background to indicate errors.</td>
</tr>
<tr>
<td><a href="#E5TextEditSearchWidget.__setSearchButtons">__setSearchButtons</a></td>
<td>Private slot to set the state of the search buttons.</td>
</tr>
<tr>
<td><a href="#E5TextEditSearchWidget.__setupUi">__setupUi</a></td>
<td>Private method to generate the UI.</td>
</tr>
<tr>
<td><a href="#E5TextEditSearchWidget.attachTextEdit">attachTextEdit</a></td>
<td>Public method to attach a QTextEdit widget.</td>
</tr>
<tr>
<td><a href="#E5TextEditSearchWidget.keyPressEvent">keyPressEvent</a></td>
<td>Protected slot to handle key press events.</td>
</tr>
<tr>
<td><a href="#E5TextEditSearchWidget.on_findNextButton_clicked">on_findNextButton_clicked</a></td>
<td>Private slot to find the next occurrence.</td>
</tr>
<tr>
<td><a href="#E5TextEditSearchWidget.on_findPrevButton_clicked">on_findPrevButton_clicked</a></td>
<td>Private slot to find the previous occurrence.</td>
</tr>
<tr>
<td><a href="#E5TextEditSearchWidget.on_findtextCombo_editTextChanged">on_findtextCombo_editTextChanged</a></td>
<td>Private slot to enable/disable the find buttons.</td>
</tr>
<tr>
<td><a href="#E5TextEditSearchWidget.setWidthForHeight">setWidthForHeight</a></td>
<td>Public method to set the 'width for height'.</td>
</tr>
</table>
<h3>Static Methods</h3>

<table>
<tr><td>None</td></tr>
</table>

<a NAME="E5TextEditSearchWidget.__init__" ID="E5TextEditSearchWidget.__init__"></a>
<h4>E5TextEditSearchWidget (Constructor)</h4>
<b>E5TextEditSearchWidget</b>(<i>parent=None, widthForHeight=True</i>)

<p>
        Constructor
</p>
<dl>

<dt><i>parent</i> (QWidget)</dt>
<dd>
reference to the parent widget
</dd>
<dt><i>widthForHeight</i> (bool)</dt>
<dd>
flag indicating to prefer width for height.
            If this parameter is False, some widgets are shown in a third
            line.
</dd>
</dl>
<a NAME="E5TextEditSearchWidget.__addWidthForHeightLayout" ID="E5TextEditSearchWidget.__addWidthForHeightLayout"></a>
<h4>E5TextEditSearchWidget.__addWidthForHeightLayout</h4>
<b>__addWidthForHeightLayout</b>(<i>widthForHeight</i>)

<p>
        Private method to set the middle part of the layout.
</p>
<dl>

<dt><i>widthForHeight</i> (bool)</dt>
<dd>
flag indicating to prefer width
</dd>
</dl>
<a NAME="E5TextEditSearchWidget.__find" ID="E5TextEditSearchWidget.__find"></a>
<h4>E5TextEditSearchWidget.__find</h4>
<b>__find</b>(<i>backwards</i>)

<p>
        Private method to search the associated text edit.
</p>
<dl>

<dt><i>backwards</i></dt>
<dd>
flag indicating a backwards search (boolean)
</dd>
</dl>
<a NAME="E5TextEditSearchWidget.__findByReturnPressed" ID="E5TextEditSearchWidget.__findByReturnPressed"></a>
<h4>E5TextEditSearchWidget.__findByReturnPressed</h4>
<b>__findByReturnPressed</b>(<i></i>)

<p>
        Private slot to handle the returnPressed signal of the findtext
        combobox.
</p>
<a NAME="E5TextEditSearchWidget.__findNextPrevCallback" ID="E5TextEditSearchWidget.__findNextPrevCallback"></a>
<h4>E5TextEditSearchWidget.__findNextPrevCallback</h4>
<b>__findNextPrevCallback</b>(<i>found</i>)

<p>
        Private method to process the result of the last search.
</p>
<dl>

<dt><i>found</i> (bool)</dt>
<dd>
flag indicating if the last search succeeded
</dd>
</dl>
<a NAME="E5TextEditSearchWidget.__findPrevNextQTextEdit" ID="E5TextEditSearchWidget.__findPrevNextQTextEdit"></a>
<h4>E5TextEditSearchWidget.__findPrevNextQTextEdit</h4>
<b>__findPrevNextQTextEdit</b>(<i>backwards</i>)

<p>
        Private method to to search the associated edit widget of
        type QTextEdit.
</p>
<dl>

<dt><i>backwards</i> (bool)</dt>
<dd>
flag indicating a backwards search
</dd>
</dl>
<dl>
<dt>Return:</dt>
<dd>
flag indicating the search result
</dd>
</dl>
<dl>
<dt>Return Type:</dt>
<dd>
bool
</dd>
</dl>
<a NAME="E5TextEditSearchWidget.__findPrevNextQWebEngineView" ID="E5TextEditSearchWidget.__findPrevNextQWebEngineView"></a>
<h4>E5TextEditSearchWidget.__findPrevNextQWebEngineView</h4>
<b>__findPrevNextQWebEngineView</b>(<i>backwards</i>)

<p>
        Private method to to search the associated edit widget of
        type QWebEngineView.
</p>
<dl>

<dt><i>backwards</i> (bool)</dt>
<dd>
flag indicating a backwards search
</dd>
</dl>
<a NAME="E5TextEditSearchWidget.__setFindtextComboBackground" ID="E5TextEditSearchWidget.__setFindtextComboBackground"></a>
<h4>E5TextEditSearchWidget.__setFindtextComboBackground</h4>
<b>__setFindtextComboBackground</b>(<i>error</i>)

<p>
        Private slot to change the findtext combo background to indicate
        errors.
</p>
<dl>

<dt><i>error</i></dt>
<dd>
flag indicating an error condition (boolean)
</dd>
</dl>
<a NAME="E5TextEditSearchWidget.__setSearchButtons" ID="E5TextEditSearchWidget.__setSearchButtons"></a>
<h4>E5TextEditSearchWidget.__setSearchButtons</h4>
<b>__setSearchButtons</b>(<i>enabled</i>)

<p>
        Private slot to set the state of the search buttons.
</p>
<dl>

<dt><i>enabled</i></dt>
<dd>
flag indicating the state (boolean)
</dd>
</dl>
<a NAME="E5TextEditSearchWidget.__setupUi" ID="E5TextEditSearchWidget.__setupUi"></a>
<h4>E5TextEditSearchWidget.__setupUi</h4>
<b>__setupUi</b>(<i>widthForHeight</i>)

<p>
        Private method to generate the UI.
</p>
<dl>

<dt><i>widthForHeight</i> (bool)</dt>
<dd>
flag indicating to prefer width for height
</dd>
</dl>
<a NAME="E5TextEditSearchWidget.attachTextEdit" ID="E5TextEditSearchWidget.attachTextEdit"></a>
<h4>E5TextEditSearchWidget.attachTextEdit</h4>
<b>attachTextEdit</b>(<i>textedit, editType=E5TextEditType.QTEXTEDIT</i>)

<p>
        Public method to attach a QTextEdit widget.
</p>
<dl>

<dt><i>textedit</i> (QTextEdit, QWebEngineView or QWebView)</dt>
<dd>
reference to the edit widget to be attached
</dd>
<dt><i>editType</i> (E5TextEditType)</dt>
<dd>
type of the attached edit widget
</dd>
</dl>
<a NAME="E5TextEditSearchWidget.keyPressEvent" ID="E5TextEditSearchWidget.keyPressEvent"></a>
<h4>E5TextEditSearchWidget.keyPressEvent</h4>
<b>keyPressEvent</b>(<i>event</i>)

<p>
        Protected slot to handle key press events.
</p>
<dl>

<dt><i>event</i></dt>
<dd>
reference to the key press event (QKeyEvent)
</dd>
</dl>
<a NAME="E5TextEditSearchWidget.on_findNextButton_clicked" ID="E5TextEditSearchWidget.on_findNextButton_clicked"></a>
<h4>E5TextEditSearchWidget.on_findNextButton_clicked</h4>
<b>on_findNextButton_clicked</b>(<i></i>)

<p>
        Private slot to find the next occurrence.
</p>
<a NAME="E5TextEditSearchWidget.on_findPrevButton_clicked" ID="E5TextEditSearchWidget.on_findPrevButton_clicked"></a>
<h4>E5TextEditSearchWidget.on_findPrevButton_clicked</h4>
<b>on_findPrevButton_clicked</b>(<i></i>)

<p>
        Private slot to find the previous occurrence.
</p>
<a NAME="E5TextEditSearchWidget.on_findtextCombo_editTextChanged" ID="E5TextEditSearchWidget.on_findtextCombo_editTextChanged"></a>
<h4>E5TextEditSearchWidget.on_findtextCombo_editTextChanged</h4>
<b>on_findtextCombo_editTextChanged</b>(<i>txt</i>)

<p>
        Private slot to enable/disable the find buttons.
</p>
<dl>

<dt><i>txt</i></dt>
<dd>
text of the combobox (string)
</dd>
</dl>
<a NAME="E5TextEditSearchWidget.setWidthForHeight" ID="E5TextEditSearchWidget.setWidthForHeight"></a>
<h4>E5TextEditSearchWidget.setWidthForHeight</h4>
<b>setWidthForHeight</b>(<i>widthForHeight</i>)

<p>
        Public method to set the 'width for height'.
</p>
<dl>

<dt><i>widthForHeight</i> (bool)</dt>
<dd>
flag indicating to prefer width
</dd>
</dl>
<div align="right"><a href="#top">Up</a></div>
<hr />
<hr />
<a NAME="E5TextEditType" ID="E5TextEditType"></a>
<h2>E5TextEditType</h2>

<p>
    Class defining the supported text edit types.
</p>
<h3>Derived from</h3>
enum.Enum
<h3>Class Attributes</h3>

<table>
<tr><td>QTEXTBROWSER</td></tr><tr><td>QTEXTEDIT</td></tr><tr><td>QWEBENGINEVIEW</td></tr><tr><td>UNKNOWN</td></tr>
</table>
<h3>Class Methods</h3>

<table>
<tr><td>None</td></tr>
</table>
<h3>Methods</h3>

<table>
<tr><td>None</td></tr>
</table>
<h3>Static Methods</h3>

<table>
<tr><td>None</td></tr>
</table>

<div align="right"><a href="#top">Up</a></div>
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