src/eric7/Documentation/Source/eric7.EricWidgets.EricZoomWidget.html

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<h1>eric7.EricWidgets.EricZoomWidget</h1>

<p>
Module implementing a zoom widget for the status bar.
</p>
<h3>Global Attributes</h3>

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

<table>

<tr>
<td><a href="#EricZoomWidget">EricZoomWidget</a></td>
<td>Class implementing a zoom widget for the status bar.</td>
</tr>
</table>
<h3>Functions</h3>

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

<p>
    Class implementing a zoom widget for the status bar.
</p>
<h3>Signals</h3>
<dl>

<dt>valueChanged(value)</dt>
<dd>
emitted to indicate the new zoom value (int)
</dd>
</dl>
<h3>Derived from</h3>
QWidget, Ui_EricZoomWidget
<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="#EricZoomWidget.__init__">EricZoomWidget</a></td>
<td>Constructor</td>
</tr>
<tr>
<td><a href="#EricZoomWidget.__indexForValue">__indexForValue</a></td>
<td>Private method to get the nearest index for a given value.</td>
</tr>
<tr>
<td><a href="#EricZoomWidget.__setValueLabelWidth">__setValueLabelWidth</a></td>
<td>Private slot to determine the width of the zoom value label.</td>
</tr>
<tr>
<td><a href="#EricZoomWidget.__zoomIn">__zoomIn</a></td>
<td>Private slot to zoom in one step.</td>
</tr>
<tr>
<td><a href="#EricZoomWidget.__zoomOut">__zoomOut</a></td>
<td>Private slot to zoom out one step.</td>
</tr>
<tr>
<td><a href="#EricZoomWidget.__zoomReset">__zoomReset</a></td>
<td>Private slot to reset the value.</td>
</tr>
<tr>
<td><a href="#EricZoomWidget._sliderValueChanged">_sliderValueChanged</a></td>
<td>Protected slot to handle changes of the slider value.</td>
</tr>
<tr>
<td><a href="#EricZoomWidget.default">default</a></td>
<td>Public method to get the default zoom value.</td>
</tr>
<tr>
<td><a href="#EricZoomWidget.isMapped">isMapped</a></td>
<td>Public method to check for a mapped zoom widget.</td>
</tr>
<tr>
<td><a href="#EricZoomWidget.isPercent">isPercent</a></td>
<td>Public method to get the percent mode.</td>
</tr>
<tr>
<td><a href="#EricZoomWidget.mapping">mapping</a></td>
<td>Public method to get the current mapping.</td>
</tr>
<tr>
<td><a href="#EricZoomWidget.maximum">maximum</a></td>
<td>Public method to get the maximum value.</td>
</tr>
<tr>
<td><a href="#EricZoomWidget.minimum">minimum</a></td>
<td>Public method to get the minimum value.</td>
</tr>
<tr>
<td><a href="#EricZoomWidget.on_slider_sliderMoved">on_slider_sliderMoved</a></td>
<td>Private slot to handle changes of the zoom value.</td>
</tr>
<tr>
<td><a href="#EricZoomWidget.pageStep">pageStep</a></td>
<td>Public method to get the page step value.</td>
</tr>
<tr>
<td><a href="#EricZoomWidget.setDefault">setDefault</a></td>
<td>Public method to set the default zoom value.</td>
</tr>
<tr>
<td><a href="#EricZoomWidget.setMapping">setMapping</a></td>
<td>Public method to set a zoom level mapping.</td>
</tr>
<tr>
<td><a href="#EricZoomWidget.setMaximum">setMaximum</a></td>
<td>Public method to set the maximum value.</td>
</tr>
<tr>
<td><a href="#EricZoomWidget.setMinimum">setMinimum</a></td>
<td>Public method to set the minimum value.</td>
</tr>
<tr>
<td><a href="#EricZoomWidget.setPageStep">setPageStep</a></td>
<td>Public method to set the page step value.</td>
</tr>
<tr>
<td><a href="#EricZoomWidget.setPercent">setPercent</a></td>
<td>Public method to set the percent mode of the widget.</td>
</tr>
<tr>
<td><a href="#EricZoomWidget.setSingleStep">setSingleStep</a></td>
<td>Public method to set the single step value.</td>
</tr>
<tr>
<td><a href="#EricZoomWidget.setValue">setValue</a></td>
<td>Public slot to set the value.</td>
</tr>
<tr>
<td><a href="#EricZoomWidget.singleStep">singleStep</a></td>
<td>Public method to get the single step value.</td>
</tr>
<tr>
<td><a href="#EricZoomWidget.value">value</a></td>
<td>Public method to get the current value.</td>
</tr>
</table>
<h3>Static Methods</h3>

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

<a NAME="EricZoomWidget.__init__" ID="EricZoomWidget.__init__"></a>
<h4>EricZoomWidget (Constructor)</h4>
<b>EricZoomWidget</b>(<i>outPix, inPix, resetPix, parent=None</i>)

<p>
        Constructor
</p>
<dl>

<dt><i>outPix</i> (QPixmap)</dt>
<dd>
pixmap for the zoom out button
</dd>
<dt><i>inPix</i> (QPixmap)</dt>
<dd>
pixmap for the zoom in button
</dd>
<dt><i>resetPix</i> (QPixmap)</dt>
<dd>
pixmap for the zoom reset button
</dd>
<dt><i>parent</i> (QWidget)</dt>
<dd>
reference to the parent widget
</dd>
</dl>
<a NAME="EricZoomWidget.__indexForValue" ID="EricZoomWidget.__indexForValue"></a>
<h4>EricZoomWidget.__indexForValue</h4>
<b>__indexForValue</b>(<i>value</i>)

<p>
        Private method to get the nearest index for a given value.
</p>
<dl>

<dt><i>value</i> (int)</dt>
<dd>
value to get the index for
</dd>
</dl>
<dl>
<dt>Return:</dt>
<dd>
index into the mapping list or the unchanged value,
            if mapping is not set
</dd>
</dl>
<dl>
<dt>Return Type:</dt>
<dd>
int
</dd>
</dl>
<a NAME="EricZoomWidget.__setValueLabelWidth" ID="EricZoomWidget.__setValueLabelWidth"></a>
<h4>EricZoomWidget.__setValueLabelWidth</h4>
<b>__setValueLabelWidth</b>(<i></i>)

<p>
        Private slot to determine the width of the zoom value label.
</p>
<a NAME="EricZoomWidget.__zoomIn" ID="EricZoomWidget.__zoomIn"></a>
<h4>EricZoomWidget.__zoomIn</h4>
<b>__zoomIn</b>(<i></i>)

<p>
        Private slot to zoom in one step.
</p>
<a NAME="EricZoomWidget.__zoomOut" ID="EricZoomWidget.__zoomOut"></a>
<h4>EricZoomWidget.__zoomOut</h4>
<b>__zoomOut</b>(<i></i>)

<p>
        Private slot to zoom out one step.
</p>
<a NAME="EricZoomWidget.__zoomReset" ID="EricZoomWidget.__zoomReset"></a>
<h4>EricZoomWidget.__zoomReset</h4>
<b>__zoomReset</b>(<i></i>)

<p>
        Private slot to reset the value.
</p>
<a NAME="EricZoomWidget._sliderValueChanged" ID="EricZoomWidget._sliderValueChanged"></a>
<h4>EricZoomWidget._sliderValueChanged</h4>
<b>_sliderValueChanged</b>(<i>value</i>)

<p>
        Protected slot to handle changes of the slider value.
</p>
<dl>

<dt><i>value</i> (int)</dt>
<dd>
slider value
</dd>
</dl>
<a NAME="EricZoomWidget.default" ID="EricZoomWidget.default"></a>
<h4>EricZoomWidget.default</h4>
<b>default</b>(<i></i>)

<p>
        Public method to get the default zoom value.
</p>
<dl>
<dt>Return:</dt>
<dd>
default zoom value
</dd>
</dl>
<dl>
<dt>Return Type:</dt>
<dd>
int
</dd>
</dl>
<a NAME="EricZoomWidget.isMapped" ID="EricZoomWidget.isMapped"></a>
<h4>EricZoomWidget.isMapped</h4>
<b>isMapped</b>(<i></i>)

<p>
        Public method to check for a mapped zoom widget.
</p>
<dl>
<dt>Return:</dt>
<dd>
flag indicating a mapped zoom widget
</dd>
</dl>
<dl>
<dt>Return Type:</dt>
<dd>
bool
</dd>
</dl>
<a NAME="EricZoomWidget.isPercent" ID="EricZoomWidget.isPercent"></a>
<h4>EricZoomWidget.isPercent</h4>
<b>isPercent</b>(<i></i>)

<p>
        Public method to get the percent mode.
</p>
<dl>
<dt>Return:</dt>
<dd>
flag indicating percent mode
</dd>
</dl>
<dl>
<dt>Return Type:</dt>
<dd>
bool
</dd>
</dl>
<a NAME="EricZoomWidget.mapping" ID="EricZoomWidget.mapping"></a>
<h4>EricZoomWidget.mapping</h4>
<b>mapping</b>(<i></i>)

<p>
        Public method to get the current mapping.
</p>
<dl>
<dt>Return:</dt>
<dd>
tuple of the mapping and the default index
</dd>
</dl>
<dl>
<dt>Return Type:</dt>
<dd>
tuple of (list of integer, integer)
</dd>
</dl>
<a NAME="EricZoomWidget.maximum" ID="EricZoomWidget.maximum"></a>
<h4>EricZoomWidget.maximum</h4>
<b>maximum</b>(<i></i>)

<p>
        Public method to get the maximum value.
</p>
<dl>
<dt>Return:</dt>
<dd>
maximum value
</dd>
</dl>
<dl>
<dt>Return Type:</dt>
<dd>
int
</dd>
</dl>
<a NAME="EricZoomWidget.minimum" ID="EricZoomWidget.minimum"></a>
<h4>EricZoomWidget.minimum</h4>
<b>minimum</b>(<i></i>)

<p>
        Public method to get the minimum value.
</p>
<dl>
<dt>Return:</dt>
<dd>
minimum value
</dd>
</dl>
<dl>
<dt>Return Type:</dt>
<dd>
int
</dd>
</dl>
<a NAME="EricZoomWidget.on_slider_sliderMoved" ID="EricZoomWidget.on_slider_sliderMoved"></a>
<h4>EricZoomWidget.on_slider_sliderMoved</h4>
<b>on_slider_sliderMoved</b>(<i>value</i>)

<p>
        Private slot to handle changes of the zoom value.
</p>
<dl>

<dt><i>value</i> (int)</dt>
<dd>
value of the slider
</dd>
</dl>
<a NAME="EricZoomWidget.pageStep" ID="EricZoomWidget.pageStep"></a>
<h4>EricZoomWidget.pageStep</h4>
<b>pageStep</b>(<i></i>)

<p>
        Public method to get the page step value.
</p>
<dl>
<dt>Return:</dt>
<dd>
page step value
</dd>
</dl>
<dl>
<dt>Return Type:</dt>
<dd>
int
</dd>
</dl>
<a NAME="EricZoomWidget.setDefault" ID="EricZoomWidget.setDefault"></a>
<h4>EricZoomWidget.setDefault</h4>
<b>setDefault</b>(<i>value</i>)

<p>
        Public method to set the default zoom value.
</p>
<dl>

<dt><i>value</i> (int)</dt>
<dd>
default zoom value
</dd>
</dl>
<a NAME="EricZoomWidget.setMapping" ID="EricZoomWidget.setMapping"></a>
<h4>EricZoomWidget.setMapping</h4>
<b>setMapping</b>(<i>mapping, default, percent=True</i>)

<p>
        Public method to set a zoom level mapping.
</p>
<p>
        When zoom level mapping is activated, the slider covers
        values from 0 to the max. index of the mapping list. The
        default value is the value of the default zoom level. If
        percent is given, the zoom level is shown as a percent value.
</p>
<dl>

<dt><i>mapping</i> (list of int)</dt>
<dd>
list of mapping values
</dd>
<dt><i>default</i> (int)</dt>
<dd>
index of the default value
</dd>
<dt><i>percent</i> (bool)</dt>
<dd>
flag indicating to show zoom value in percent
</dd>
</dl>
<a NAME="EricZoomWidget.setMaximum" ID="EricZoomWidget.setMaximum"></a>
<h4>EricZoomWidget.setMaximum</h4>
<b>setMaximum</b>(<i>maximum</i>)

<p>
        Public method to set the maximum value.
</p>
<dl>

<dt><i>maximum</i> (int)</dt>
<dd>
new maximum value
</dd>
</dl>
<a NAME="EricZoomWidget.setMinimum" ID="EricZoomWidget.setMinimum"></a>
<h4>EricZoomWidget.setMinimum</h4>
<b>setMinimum</b>(<i>minimum</i>)

<p>
        Public method to set the minimum value.
</p>
<dl>

<dt><i>minimum</i> (int)</dt>
<dd>
new minimum value
</dd>
</dl>
<a NAME="EricZoomWidget.setPageStep" ID="EricZoomWidget.setPageStep"></a>
<h4>EricZoomWidget.setPageStep</h4>
<b>setPageStep</b>(<i>value</i>)

<p>
        Public method to set the page step value.
</p>
<dl>

<dt><i>value</i> (int)</dt>
<dd>
page step value
</dd>
</dl>
<a NAME="EricZoomWidget.setPercent" ID="EricZoomWidget.setPercent"></a>
<h4>EricZoomWidget.setPercent</h4>
<b>setPercent</b>(<i>on</i>)

<p>
        Public method to set the percent mode of the widget.
</p>
<dl>

<dt><i>on</i> (bool)</dt>
<dd>
flag indicating percent mode
</dd>
</dl>
<a NAME="EricZoomWidget.setSingleStep" ID="EricZoomWidget.setSingleStep"></a>
<h4>EricZoomWidget.setSingleStep</h4>
<b>setSingleStep</b>(<i>value</i>)

<p>
        Public method to set the single step value.
</p>
<dl>

<dt><i>value</i> (int)</dt>
<dd>
value for the single step
</dd>
</dl>
<a NAME="EricZoomWidget.setValue" ID="EricZoomWidget.setValue"></a>
<h4>EricZoomWidget.setValue</h4>
<b>setValue</b>(<i>value</i>)

<p>
        Public slot to set the value.
</p>
<dl>

<dt><i>value</i> (int)</dt>
<dd>
new zoom value
</dd>
</dl>
<a NAME="EricZoomWidget.singleStep" ID="EricZoomWidget.singleStep"></a>
<h4>EricZoomWidget.singleStep</h4>
<b>singleStep</b>(<i></i>)

<p>
        Public method to get the single step value.
</p>
<dl>
<dt>Return:</dt>
<dd>
single step value
</dd>
</dl>
<dl>
<dt>Return Type:</dt>
<dd>
int
</dd>
</dl>
<a NAME="EricZoomWidget.value" ID="EricZoomWidget.value"></a>
<h4>EricZoomWidget.value</h4>
<b>value</b>(<i></i>)

<p>
        Public method to get the current value.
</p>
<dl>
<dt>Return:</dt>
<dd>
current zoom value
</dd>
</dl>
<dl>
<dt>Return Type:</dt>
<dd>
int
</dd>
</dl>
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