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<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<html>
<head>
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<title>BtMachineCanvasItem: Buzztrax Bt-Edit Reference Manual</title>
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<table class="navigation" id="top" width="100%" summary="Navigation header" cellpadding="2" cellspacing="5"><tr valign="middle">
<td width="100%" align="left" class="shortcuts">
<a href="#" class="shortcut">Top</a><span id="nav_description"> <span class="dim">|</span>
<a href="#BtMachineCanvasItem.description" class="shortcut">Description</a></span><span id="nav_hierarchy"> <span class="dim">|</span>
<a href="#BtMachineCanvasItem.object-hierarchy" class="shortcut">Object Hierarchy</a></span><span id="nav_interfaces"> <span class="dim">|</span>
<a href="#BtMachineCanvasItem.implemented-interfaces" class="shortcut">Implemented Interfaces</a></span><span id="nav_properties"> <span class="dim">|</span>
<a href="#BtMachineCanvasItem.properties" class="shortcut">Properties</a></span><span id="nav_signals"> <span class="dim">|</span>
<a href="#BtMachineCanvasItem.signals" class="shortcut">Signals</a></span>
</td>
<td><a accesskey="h" href="index.html"><img src="home.png" width="16" height="16" border="0" alt="Home"></a></td>
<td><a accesskey="u" href="ch01.html"><img src="up.png" width="16" height="16" border="0" alt="Up"></a></td>
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</tr></table>
<div class="refentry">
<a name="BtMachineCanvasItem"></a><div class="titlepage"></div>
<div class="refnamediv"><table width="100%"><tr>
<td valign="top">
<h2><span class="refentrytitle"><a name="BtMachineCanvasItem.top_of_page"></a>BtMachineCanvasItem</span></h2>
<p>BtMachineCanvasItem — class for the editor machine views machine canvas item</p>
</td>
<td class="gallery_image" valign="top" align="right"></td>
</tr></table></div>
<div class="refsect1">
<a name="BtMachineCanvasItem.functions"></a><h2>Functions</h2>
<div class="informaltable"><table width="100%" border="0">
<colgroup>
<col width="150px" class="functions_return">
<col class="functions_name">
</colgroup>
<tbody>
<tr>
<td class="function_type">
<a class="link" href="BtMachineCanvasItem.html" title="BtMachineCanvasItem"><span class="returnvalue">BtMachineCanvasItem</span></a> *
</td>
<td class="function_name">
<a class="link" href="BtMachineCanvasItem.html#bt-machine-canvas-item-new" title="bt_machine_canvas_item_new ()">bt_machine_canvas_item_new</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<span class="returnvalue">void</span>
</td>
<td class="function_name">
<a class="link" href="BtMachineCanvasItem.html#bt-machine-show-properties-dialog" title="bt_machine_show_properties_dialog ()">bt_machine_show_properties_dialog</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<span class="returnvalue">void</span>
</td>
<td class="function_name">
<a class="link" href="BtMachineCanvasItem.html#bt-machine-show-preferences-dialog" title="bt_machine_show_preferences_dialog ()">bt_machine_show_preferences_dialog</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<span class="returnvalue">void</span>
</td>
<td class="function_name">
<a class="link" href="BtMachineCanvasItem.html#bt-machine-show-analyzer-dialog" title="bt_machine_show_analyzer_dialog ()">bt_machine_show_analyzer_dialog</a> <span class="c_punctuation">()</span>
</td>
</tr>
</tbody>
</table></div>
</div>
<div class="refsect1">
<a name="BtMachineCanvasItem.properties"></a><h2>Properties</h2>
<div class="informaltable"><table border="0">
<colgroup>
<col width="150px" class="properties_type">
<col width="300px" class="properties_name">
<col width="200px" class="properties_flags">
</colgroup>
<tbody>
<tr>
<td class="property_type">
<a class="link" href="BtSignalAnalysisDialog.html" title="BtSignalAnalysisDialog"><span class="type">BtSignalAnalysisDialog</span></a> *</td>
<td class="property_name"><a class="link" href="BtMachineCanvasItem.html#BtMachineCanvasItem--analysis-dialog" title="The “analysis-dialog” property">analysis-dialog</a></td>
<td class="property_flags">Read</td>
</tr>
<tr>
<td class="property_type">
<a href="../html/BtMachine.html#BtMachine-struct"><span class="type">BtMachine</span></a> *</td>
<td class="property_name"><a class="link" href="BtMachineCanvasItem.html#BtMachineCanvasItem--machine" title="The “machine” property">machine</a></td>
<td class="property_flags">Read / Write / Construct Only</td>
</tr>
<tr>
<td class="property_type">
<a class="link" href="BtMainPageMachines.html" title="BtMainPageMachines"><span class="type">BtMainPageMachines</span></a> *</td>
<td class="property_name"><a class="link" href="BtMachineCanvasItem.html#BtMachineCanvasItem--machines-page" title="The “machines-page” property">machines-page</a></td>
<td class="property_flags">Read / Write / Construct Only</td>
</tr>
<tr>
<td class="property_type">
<a class="link" href="BtMachinePreferencesDialog.html" title="BtMachinePreferencesDialog"><span class="type">BtMachinePreferencesDialog</span></a> *</td>
<td class="property_name"><a class="link" href="BtMachineCanvasItem.html#BtMachineCanvasItem--preferences-dialog" title="The “preferences-dialog” property">preferences-dialog</a></td>
<td class="property_flags">Read</td>
</tr>
<tr>
<td class="property_type">
<a class="link" href="BtMachinePropertiesDialog.html" title="BtMachinePropertiesDialog"><span class="type">BtMachinePropertiesDialog</span></a> *</td>
<td class="property_name"><a class="link" href="BtMachineCanvasItem.html#BtMachineCanvasItem--properties-dialog" title="The “properties-dialog” property">properties-dialog</a></td>
<td class="property_flags">Read</td>
</tr>
<tr>
<td class="property_type"><a href="/usr/share/gtk-doc/html/glibglib-Basic-Types.html#gdouble"><span class="type">gdouble</span></a></td>
<td class="property_name"><a class="link" href="BtMachineCanvasItem.html#BtMachineCanvasItem--zoom" title="The “zoom” property">zoom</a></td>
<td class="property_flags">Read / Write</td>
</tr>
</tbody>
</table></div>
</div>
<div class="refsect1">
<a name="BtMachineCanvasItem.signals"></a><h2>Signals</h2>
<div class="informaltable"><table border="0">
<colgroup>
<col width="150px" class="signals_return">
<col width="300px" class="signals_name">
<col width="200px" class="signals_flags">
</colgroup>
<tbody>
<tr>
<td class="signal_type"><span class="returnvalue">void</span></td>
<td class="signal_name"><a class="link" href="BtMachineCanvasItem.html#BtMachineCanvasItem-position-changed" title="The “position-changed” signal">position-changed</a></td>
<td class="signal_flags">No Hooks</td>
</tr>
<tr>
<td class="signal_type"><span class="returnvalue">void</span></td>
<td class="signal_name"><a class="link" href="BtMachineCanvasItem.html#BtMachineCanvasItem-start-connect" title="The “start-connect” signal">start-connect</a></td>
<td class="signal_flags">No Hooks</td>
</tr>
</tbody>
</table></div>
</div>
<div class="refsect1">
<a name="BtMachineCanvasItem.other"></a><h2>Types and Values</h2>
<div class="informaltable"><table width="100%" border="0">
<colgroup>
<col width="150px" class="name">
<col class="description">
</colgroup>
<tbody><tr>
<td class="datatype_keyword">struct</td>
<td class="function_name"><a class="link" href="BtMachineCanvasItem.html#BtMachineCanvasItem-struct" title="struct BtMachineCanvasItem">BtMachineCanvasItem</a></td>
</tr></tbody>
</table></div>
</div>
<div class="refsect1">
<a name="BtMachineCanvasItem.object-hierarchy"></a><h2>Object Hierarchy</h2>
<pre class="screen"> <a href="/usr/share/gtk-doc/html/gobjectgobject-The-Base-Object-Type.html#GObject-struct">GObject</a>
<span class="lineart">╰──</span> <a href="/usr/share/gtk-doc/html/gobjectgobject-The-Base-Object-Type.html#GInitiallyUnowned">GInitiallyUnowned</a>
<span class="lineart">╰──</span> <a href="/usr/share/gtk-doc/html/clutterClutterActor.html#ClutterActor-struct">ClutterActor</a>
<span class="lineart">╰──</span> BtMachineCanvasItem
</pre>
</div>
<div class="refsect1">
<a name="BtMachineCanvasItem.implemented-interfaces"></a><h2>Implemented Interfaces</h2>
<p>
BtMachineCanvasItem implements
<a href="/usr/share/gtk-doc/html/clutterClutterContainer.html#ClutterContainer-struct">ClutterContainer</a>, <a href="/usr/share/gtk-doc/html/clutterClutterScriptable.html#ClutterScriptable-struct">ClutterScriptable</a>, <a href="/usr/share/gtk-doc/html/clutterClutterAnimatable.html#ClutterAnimatable-struct">ClutterAnimatable</a> and AtkImplementorIface.</p>
</div>
<div class="refsect1">
<a name="BtMachineCanvasItem.includes"></a><h2>Includes</h2>
<pre class="synopsis">#include "bt-edit.h"
</pre>
</div>
<div class="refsect1">
<a name="BtMachineCanvasItem.description"></a><h2>Description</h2>
<p>Provides UI to manipulate the machine state.</p>
<p>The canvas object emits <a class="link" href="BtMachineCanvasItem.html#BtMachineCanvasItem-position-changed" title="The “position-changed” signal"><span class="type">“position-changed”</span></a> signal after
it has been moved.</p>
</div>
<div class="refsect1">
<a name="BtMachineCanvasItem.functions_details"></a><h2>Functions</h2>
<div class="refsect2">
<a name="bt-machine-canvas-item-new"></a><h3>bt_machine_canvas_item_new ()</h3>
<pre class="programlisting"><a class="link" href="BtMachineCanvasItem.html" title="BtMachineCanvasItem"><span class="returnvalue">BtMachineCanvasItem</span></a> *
bt_machine_canvas_item_new (<em class="parameter"><code>const <a class="link" href="BtMainPageMachines.html" title="BtMainPageMachines"><span class="type">BtMainPageMachines</span></a> *main_page_machines</code></em>,
<em class="parameter"><code><a href="../html/BtMachine.html#BtMachine-struct"><span class="type">BtMachine</span></a> *machine</code></em>,
<em class="parameter"><code><a href="/usr/share/gtk-doc/html/glibglib-Basic-Types.html#gdouble"><span class="type">gdouble</span></a> xpos</code></em>,
<em class="parameter"><code><a href="/usr/share/gtk-doc/html/glibglib-Basic-Types.html#gdouble"><span class="type">gdouble</span></a> ypos</code></em>,
<em class="parameter"><code><a href="/usr/share/gtk-doc/html/glibglib-Basic-Types.html#gdouble"><span class="type">gdouble</span></a> zoom</code></em>);</pre>
<p>Create a new instance</p>
<div class="refsect3">
<a name="id-1.4.3.10.11.2.5"></a><h4>Parameters</h4>
<div class="informaltable"><table width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody>
<tr>
<td class="parameter_name"><p>main_page_machines</p></td>
<td class="parameter_description"><p>the machine page the new item belongs to</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>machine</p></td>
<td class="parameter_description"><p>the machine for which a canvas item should be created</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>xpos</p></td>
<td class="parameter_description"><p>the horizontal location</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>ypos</p></td>
<td class="parameter_description"><p>the vertical location</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>zoom</p></td>
<td class="parameter_description"><p>the zoom ratio</p></td>
<td class="parameter_annotations"> </td>
</tr>
</tbody>
</table></div>
</div>
<div class="refsect3">
<a name="id-1.4.3.10.11.2.6"></a><h4>Returns</h4>
<p> the new instance or <a href="/usr/share/gtk-doc/html/glibglib-Standard-Macros.html#NULL:CAPS"><code class="literal">NULL</code></a> in case of an error</p>
</div>
</div>
<hr>
<div class="refsect2">
<a name="bt-machine-show-properties-dialog"></a><h3>bt_machine_show_properties_dialog ()</h3>
<pre class="programlisting"><span class="returnvalue">void</span>
bt_machine_show_properties_dialog (<em class="parameter"><code><a href="../html/BtMachine.html#BtMachine-struct"><span class="type">BtMachine</span></a> *machine</code></em>);</pre>
<p>Shows the machine properties dialog.</p>
<div class="refsect3">
<a name="id-1.4.3.10.11.3.5"></a><h4>Parameters</h4>
<div class="informaltable"><table width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody><tr>
<td class="parameter_name"><p>machine</p></td>
<td class="parameter_description"><p>machine to show the dialog for</p></td>
<td class="parameter_annotations"> </td>
</tr></tbody>
</table></div>
</div>
<p class="since">Since: <a class="link" href="api-index-0-6.html#api-index-0.6">0.6</a></p>
</div>
<hr>
<div class="refsect2">
<a name="bt-machine-show-preferences-dialog"></a><h3>bt_machine_show_preferences_dialog ()</h3>
<pre class="programlisting"><span class="returnvalue">void</span>
bt_machine_show_preferences_dialog (<em class="parameter"><code><a href="../html/BtMachine.html#BtMachine-struct"><span class="type">BtMachine</span></a> *machine</code></em>);</pre>
<p>Shows the machine preferences dialog.</p>
<div class="refsect3">
<a name="id-1.4.3.10.11.4.5"></a><h4>Parameters</h4>
<div class="informaltable"><table width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody><tr>
<td class="parameter_name"><p>machine</p></td>
<td class="parameter_description"><p>machine to show the dialog for</p></td>
<td class="parameter_annotations"> </td>
</tr></tbody>
</table></div>
</div>
<p class="since">Since: <a class="link" href="api-index-0-6.html#api-index-0.6">0.6</a></p>
</div>
<hr>
<div class="refsect2">
<a name="bt-machine-show-analyzer-dialog"></a><h3>bt_machine_show_analyzer_dialog ()</h3>
<pre class="programlisting"><span class="returnvalue">void</span>
bt_machine_show_analyzer_dialog (<em class="parameter"><code><a href="../html/BtMachine.html#BtMachine-struct"><span class="type">BtMachine</span></a> *machine</code></em>);</pre>
<p>Shows the machine signal analysis dialog.</p>
<div class="refsect3">
<a name="id-1.4.3.10.11.5.5"></a><h4>Parameters</h4>
<div class="informaltable"><table width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody><tr>
<td class="parameter_name"><p>machine</p></td>
<td class="parameter_description"><p>machine to show the dialog for</p></td>
<td class="parameter_annotations"> </td>
</tr></tbody>
</table></div>
</div>
<p class="since">Since: <a class="link" href="api-index-0-6.html#api-index-0.6">0.6</a></p>
</div>
</div>
<div class="refsect1">
<a name="BtMachineCanvasItem.other_details"></a><h2>Types and Values</h2>
<div class="refsect2">
<a name="BtMachineCanvasItem-struct"></a><h3>struct BtMachineCanvasItem</h3>
<pre class="programlisting">struct BtMachineCanvasItem;</pre>
<p>the root window for the editor application</p>
</div>
</div>
<div class="refsect1">
<a name="BtMachineCanvasItem.property-details"></a><h2>Property Details</h2>
<div class="refsect2">
<a name="BtMachineCanvasItem--analysis-dialog"></a><h3>The <code class="literal">“analysis-dialog”</code> property</h3>
<pre class="programlisting"> “analysis-dialog” <a class="link" href="BtSignalAnalysisDialog.html" title="BtSignalAnalysisDialog"><span class="type">BtSignalAnalysisDialog</span></a> *</pre>
<p>Get the the analysis dialog if shown.</p>
<p>Flags: Read</p>
</div>
<hr>
<div class="refsect2">
<a name="BtMachineCanvasItem--machine"></a><h3>The <code class="literal">“machine”</code> property</h3>
<pre class="programlisting"> “machine” <a href="../html/BtMachine.html#BtMachine-struct"><span class="type">BtMachine</span></a> *</pre>
<p>Set machine object, the item belongs to.</p>
<p>Flags: Read / Write / Construct Only</p>
</div>
<hr>
<div class="refsect2">
<a name="BtMachineCanvasItem--machines-page"></a><h3>The <code class="literal">“machines-page”</code> property</h3>
<pre class="programlisting"> “machines-page” <a class="link" href="BtMainPageMachines.html" title="BtMainPageMachines"><span class="type">BtMainPageMachines</span></a> *</pre>
<p>Set application object, the window belongs to.</p>
<p>Flags: Read / Write / Construct Only</p>
</div>
<hr>
<div class="refsect2">
<a name="BtMachineCanvasItem--preferences-dialog"></a><h3>The <code class="literal">“preferences-dialog”</code> property</h3>
<pre class="programlisting"> “preferences-dialog” <a class="link" href="BtMachinePreferencesDialog.html" title="BtMachinePreferencesDialog"><span class="type">BtMachinePreferencesDialog</span></a> *</pre>
<p>Get the the preferences dialog if shown.</p>
<p>Flags: Read</p>
</div>
<hr>
<div class="refsect2">
<a name="BtMachineCanvasItem--properties-dialog"></a><h3>The <code class="literal">“properties-dialog”</code> property</h3>
<pre class="programlisting"> “properties-dialog” <a class="link" href="BtMachinePropertiesDialog.html" title="BtMachinePropertiesDialog"><span class="type">BtMachinePropertiesDialog</span></a> *</pre>
<p>Get the the properties dialog if shown.</p>
<p>Flags: Read</p>
</div>
<hr>
<div class="refsect2">
<a name="BtMachineCanvasItem--zoom"></a><h3>The <code class="literal">“zoom”</code> property</h3>
<pre class="programlisting"> “zoom” <a href="/usr/share/gtk-doc/html/glibglib-Basic-Types.html#gdouble"><span class="type">gdouble</span></a></pre>
<p>Set zoom ratio for the machine item.</p>
<p>Flags: Read / Write</p>
<p>Allowed values: [0,100]</p>
<p>Default value: 1</p>
</div>
</div>
<div class="refsect1">
<a name="BtMachineCanvasItem.signal-details"></a><h2>Signal Details</h2>
<div class="refsect2">
<a name="BtMachineCanvasItem-position-changed"></a><h3>The <code class="literal">“position-changed”</code> signal</h3>
<pre class="programlisting"><span class="returnvalue">void</span>
user_function (<a class="link" href="BtMachineCanvasItem.html" title="BtMachineCanvasItem"><span class="type">BtMachineCanvasItem</span></a> *self,
<a href="/usr/share/gtk-doc/html/clutterclutter-Events.html#ClutterEventType"><span class="type">ClutterEventType</span></a> arg1,
<a href="/usr/share/gtk-doc/html/glibglib-Basic-Types.html#gpointer"><span class="type">gpointer</span></a> user_data)</pre>
<p>Signals that item has been moved around. The new position can be read from
the canvas item.</p>
<div class="refsect3">
<a name="id-1.4.3.10.14.2.5"></a><h4>Parameters</h4>
<div class="informaltable"><table width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody>
<tr>
<td class="parameter_name"><p>self</p></td>
<td class="parameter_description"><p>the machine-canvas-item object that emitted the signal</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>user_data</p></td>
<td class="parameter_description"><p>user data set when the signal handler was connected.</p></td>
<td class="parameter_annotations"> </td>
</tr>
</tbody>
</table></div>
</div>
<p>Flags: No Hooks</p>
</div>
<hr>
<div class="refsect2">
<a name="BtMachineCanvasItem-start-connect"></a><h3>The <code class="literal">“start-connect”</code> signal</h3>
<pre class="programlisting"><span class="returnvalue">void</span>
user_function (<a class="link" href="BtMachineCanvasItem.html" title="BtMachineCanvasItem"><span class="type">BtMachineCanvasItem</span></a> *self,
<a href="/usr/share/gtk-doc/html/glibglib-Basic-Types.html#gpointer"><span class="type">gpointer</span></a> user_data)</pre>
<p>Signals that a connect should be made starting from this machine.</p>
<div class="refsect3">
<a name="id-1.4.3.10.14.3.5"></a><h4>Parameters</h4>
<div class="informaltable"><table width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody>
<tr>
<td class="parameter_name"><p>self</p></td>
<td class="parameter_description"><p>the machine-canvas-item object that emitted the signal</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>user_data</p></td>
<td class="parameter_description"><p>user data set when the signal handler was connected.</p></td>
<td class="parameter_annotations"> </td>
</tr>
</tbody>
</table></div>
</div>
<p>Flags: No Hooks</p>
</div>
</div>
</div>
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