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<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=iso-8859-1" />
<link rel="stylesheet" href="../PythonCard.css" type="text/css" />
<title>Framework Overview - Components</title>
</head>
<body>
<div id="banner">
<h1>Framework Overview - Components</h1>
</div>
<?php include "../sidebar.php" ?>
<div id="content">
<p>Updated: April 10, 2004 for release 0.7.3</p>
<p>
I'll try and outline the current state of the framework in order to foster
discussion. I'm going to break up the description into several sections. I'm
not going to describe every method and attribute since I would just end up
repeating what is in the source code. These descriptions can also serve as
documentation.</p>
<p>The following component types are currently supported. The are defined in
the PythonCardPrototype components directory. The wxPython control they are
based on is in parenthesis ():</p>
<pre>
<a href="components/BitmapCanvas.html">BitmapCanvas</a>
Provides a buffered bitmap. There is no direct equivelant in wxPython.
<a href="components/Button.html">Button</a> (wxButton)
<a href="components/Calendar.html">Calendar</a> (wxCalendar)
<a href="components/CheckBox.html">CheckBox</a> (wxCheckBox)
<a href="components/Choice.html">Choice</a> (wxChoice)
CodeEditor (wxStyledTextCtrl)
<a href="components/ComboBox.html">ComboBox</a> (wxComboBox)
<a href="components/Gauge.html">Gauge</a> (wxGauge)
Grid (wxGrid)
<a href="components/HtmlWindow.html">HtmlWindow</a> (wxHtmlWindow)
IEHtmlWindow (wxIEHtmlWin - Windows-only)
<a href="components/Image.html">Image</a> (wxStaticBitmap)
<a href="components/ImageButton.html">ImageButton</a> (wxBitmapButton)
<a href="components/List.html">List</a> (wxListBox)
MultiColumnList (wxListCtrl)
<a href="components/PasswordField.html">PasswordField</a> (wxTextCtrl)
<a href="components/RadioGroup.html">RadioGroup</a> (wxRadioBox)
<a href="components/Slider.html">Slider</a> (wxSlider)
<a href="components/Spinner.html">Spinner</a> (wxSpinner)
<a href="components/StaticBox.html">StaticBox</a> (wxStaticBox)
<a href="components/StaticLine.html">StaticLine</a> (wxStaticLine)
<a href="components/StaticText.html">StaticText</a> (wxStaticText)
<a href="components/TextArea.html">TextArea</a> (wxTextCtrl)
<a href="components/TextField.html">TextField</a> (wxTextCtrl)
Tree (wxTreeCtrl)
</pre>
<p>The following events are automatically bound and available for each component:</p>
<pre>
gainFocus
loseFocus
mouseContextDoubleClick
mouseContextDown
mouseContextUp
mouseDoubleClick
mouseDown
mouseDrag
mouseEnter
mouseLeave
mouseMiddleDoubleClick
mouseMiddleDown
mouseMiddleUp
mouseMove
mouseUp
timer
</pre>
<p>There are additional events such as <code>mouseClick</code>, <code>closeField</code>, <code>keyPress</code>, etc.
that are specific to particular components, which you'll find defined in the
individual component modules. The following attributes are available for each component.</p>
<pre>
backgroundColor
color: tuple (r, g, b), "named color", or hex color string "#FF00FF"
color is always returned as an rgb tuple
command
string
enabled
boolean
font
Font
foregroundColor
color: tuple (r, g, b), "named color", or hex color string "#FF00FF"
color is always returned as an rgb tuple
name (mandatory, read-only)
string
position
tuple (x, y)
specifying -1 for either x or y will use the default x or y position
size
tuple (width, height)
specifying -1 for either width or height will use the default
width or height
toolTip
string
visible
boolean
</pre>
<p>Additional attributes such as <code>label</code> are defined for some components. The
attributes can be defined in the resource file as well as in user code.
PythonCard uses dot notation for components, rather than get/set methods. Here
is an example:</p>
<pre>
self.components.field1.text = 'bob'
txt = self.components.field1.text
</pre>
<p>Helper classes for components:</p>
<pre>
Bitmap (wxBitmap) - defined in graphic.py
supported formats:
BMP, GIF, JPG/JPEG, PCX, PNG, PNM, TIF/TIFF, XBM, and XPM
also supports translation to/from Python Imaging Library (PIL) format
Font (wxFont) - defined in font.py
</pre>
<p>In some case, the helper classes and components provide extra functionality
over their wxPython counterparts. Automatic binding of events and simplifed
initialization are the most obvious.</p>
<hr>
| <a href="general_concepts_and_limitations.html">General Concepts and Limitations</a>
| <a href="components.html">Components</a>
| <a href="dialogs.html">Dialogs</a>
| <a href="events_and_handlers.html">Events and Handlers</a>
| <a href="menus.html">Menus</a>
| <a href="resource_files.html">Resource Files</a>
| <a href="runtime_tools.html">Runtime Tools</a>
<hr>
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<p>$Revision: 1.2 $ : $Author: kasplat $ : Last updated $Date: 2004/08/14 21:05:15 $</p>
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