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|
<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
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<title>GwyPlainTool: Gwyddion Application Library Reference Manual</title>
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<a href="#" class="shortcut">Top</a><span id="nav_description"> <span class="dim">|</span>
<a href="#GwyPlainTool.description" class="shortcut">Description</a></span><span id="nav_hierarchy"> <span class="dim">|</span>
<a href="#GwyPlainTool.object-hierarchy" class="shortcut">Object Hierarchy</a></span>
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<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="libgwyapp-module-support.html"><img src="up.png" width="16" height="16" border="0" alt="Up"></a></td>
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<div class="refentry">
<a name="GwyPlainTool"></a><div class="titlepage"></div>
<div class="refnamediv"><table width="100%"><tr>
<td valign="top">
<h2><span class="refentrytitle"><a name="GwyPlainTool.top_of_page"></a>GwyPlainTool</span></h2>
<p>GwyPlainTool — Base class for simple tools</p>
</td>
<td class="gallery_image" valign="top" align="right"></td>
</tr></table></div>
<div class="refsect1">
<a name="GwyPlainTool.functions"></a><h2>Functions</h2>
<div class="informaltable"><table class="informaltable" width="100%" border="0">
<colgroup>
<col width="150px" class="functions_proto_type">
<col class="functions_proto_name">
</colgroup>
<tbody>
<tr>
<td class="function_type">
<a href="http://developer.gnome.org/doc/API/2.0/gobject/gobject-Type-Information.html#GType"><span class="returnvalue">GType</span></a>
</td>
<td class="function_name">
<a class="link" href="GwyPlainTool.html#gwy-plain-tool-check-layer-type" title="gwy_plain_tool_check_layer_type ()">gwy_plain_tool_check_layer_type</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="GwyPlainTool.html#gwy-plain-tool-connect-selection" title="gwy_plain_tool_connect_selection ()">gwy_plain_tool_connect_selection</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="GwyPlainTool.html#gwy-plain-tool-ensure-layer" title="gwy_plain_tool_ensure_layer ()">gwy_plain_tool_ensure_layer</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">const <a href="http://developer.gnome.org/doc/API/2.0/glib/glib-Basic-Types.html#gchar"><span class="returnvalue">gchar</span></a> *
</td>
<td class="function_name">
<a class="link" href="GwyPlainTool.html#gwy-plain-tool-set-selection-key" title="gwy_plain_tool_set_selection_key ()">gwy_plain_tool_set_selection_key</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<a href="http://developer.gnome.org/doc/API/2.0/gtk/GtkWidget.html#GtkWidget-struct"><span class="returnvalue">GtkWidget</span></a> *
</td>
<td class="function_name">
<a class="link" href="GwyPlainTool.html#gwy-plain-tool-add-clear-button" title="gwy_plain_tool_add_clear_button ()">gwy_plain_tool_add_clear_button</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<a href="http://developer.gnome.org/doc/API/2.0/glib/glib-Basic-Types.html#gdouble"><span class="returnvalue">gdouble</span></a>
</td>
<td class="function_name">
<a class="link" href="GwyPlainTool.html#gwy-plain-tool-get-z-average" title="gwy_plain_tool_get_z_average ()">gwy_plain_tool_get_z_average</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="GwyPlainTool.html#gwy-plain-tool-enable-object-deletion" title="gwy_plain_tool_enable_object_deletion ()">gwy_plain_tool_enable_object_deletion</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="GwyPlainTool.html#gwy-plain-tool-hold-selection" title="gwy_plain_tool_hold_selection ()">gwy_plain_tool_hold_selection</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="GwyPlainTool.html#gwy-plain-tool-enable-selection-holding" title="gwy_plain_tool_enable_selection_holding ()">gwy_plain_tool_enable_selection_holding</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<a class="link" href="GwyPlainTool.html#GwyRectSelectionLabels" title="GwyRectSelectionLabels"><span class="returnvalue">GwyRectSelectionLabels</span></a> *
</td>
<td class="function_name">
<a class="link" href="GwyPlainTool.html#gwy-rect-selection-labels-new" title="gwy_rect_selection_labels_new ()">gwy_rect_selection_labels_new</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<a href="http://developer.gnome.org/doc/API/2.0/gtk/GtkWidget.html#GtkWidget-struct"><span class="returnvalue">GtkWidget</span></a> *
</td>
<td class="function_name">
<a class="link" href="GwyPlainTool.html#gwy-rect-selection-labels-get-table" title="gwy_rect_selection_labels_get_table ()">gwy_rect_selection_labels_get_table</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="GwyPlainTool.html#gwy-rect-selection-labels-select" title="gwy_rect_selection_labels_select ()">gwy_rect_selection_labels_select</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<a href="http://developer.gnome.org/doc/API/2.0/glib/glib-Basic-Types.html#gboolean"><span class="returnvalue">gboolean</span></a>
</td>
<td class="function_name">
<a class="link" href="GwyPlainTool.html#gwy-rect-selection-labels-fill" title="gwy_rect_selection_labels_fill ()">gwy_rect_selection_labels_fill</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="GwyPlainTool.html#gwy-plain-tool-log-add" title="gwy_plain_tool_log_add ()">gwy_plain_tool_log_add</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="GwyPlainTool.html#gwy-plain-tool-add-param-table" title="gwy_plain_tool_add_param_table ()">gwy_plain_tool_add_param_table</a> <span class="c_punctuation">()</span>
</td>
</tr>
</tbody>
</table></div>
</div>
<div class="refsect1">
<a name="GwyPlainTool.other"></a><h2>Types and Values</h2>
<div class="informaltable"><table class="informaltable" width="100%" border="0">
<colgroup>
<col width="150px" class="other_proto_type">
<col class="other_proto_name">
</colgroup>
<tbody>
<tr>
<td class="datatype_keyword">enum</td>
<td class="function_name"><a class="link" href="GwyPlainTool.html#GwyPlainToolChanged" title="enum GwyPlainToolChanged">GwyPlainToolChanged</a></td>
</tr>
<tr>
<td class="datatype_keyword">enum</td>
<td class="function_name"><a class="link" href="GwyPlainTool.html#GwyHoldSelectionFlags" title="enum GwyHoldSelectionFlags">GwyHoldSelectionFlags</a></td>
</tr>
<tr>
<td class="datatype_keyword"> </td>
<td class="function_name"><a class="link" href="GwyPlainTool.html#GwyRectSelectionLabels" title="GwyRectSelectionLabels">GwyRectSelectionLabels</a></td>
</tr>
<tr>
<td class="datatype_keyword"> </td>
<td class="function_name"><a class="link" href="GwyPlainTool.html#GwyToolHeldSelection" title="GwyToolHeldSelection">GwyToolHeldSelection</a></td>
</tr>
<tr>
<td class="datatype_keyword">struct</td>
<td class="function_name"><a class="link" href="GwyPlainTool.html#GwyPlainTool-struct" title="struct GwyPlainTool">GwyPlainTool</a></td>
</tr>
<tr>
<td class="datatype_keyword">struct</td>
<td class="function_name"><a class="link" href="GwyPlainTool.html#GwyPlainToolClass" title="struct GwyPlainToolClass">GwyPlainToolClass</a></td>
</tr>
</tbody>
</table></div>
</div>
<div class="refsect1">
<a name="GwyPlainTool.object-hierarchy"></a><h2>Object Hierarchy</h2>
<pre class="screen"> <a href="http://developer.gnome.org/doc/API/2.0/gobject/gobject-The-Base-Object-Type.html#GObject-struct">GObject</a>
<span class="lineart">╰──</span> <a class="link" href="GwyTool.html" title="GwyTool">GwyTool</a>
<span class="lineart">╰──</span> GwyPlainTool
</pre>
</div>
<div class="refsect1">
<a name="GwyPlainTool.includes"></a><h2>Includes</h2>
<pre class="synopsis">#include <app/gwyapp.h>
</pre>
</div>
<div class="refsect1">
<a name="GwyPlainTool.description"></a><h2>Description</h2>
</div>
<div class="refsect1">
<a name="GwyPlainTool.functions_details"></a><h2>Functions</h2>
<div class="refsect2">
<a name="gwy-plain-tool-check-layer-type"></a><h3>gwy_plain_tool_check_layer_type ()</h3>
<pre class="programlisting"><a href="http://developer.gnome.org/doc/API/2.0/gobject/gobject-Type-Information.html#GType"><span class="returnvalue">GType</span></a>
gwy_plain_tool_check_layer_type (<em class="parameter"><code><a class="link" href="GwyPlainTool.html" title="GwyPlainTool"><span class="type">GwyPlainTool</span></a> *plain_tool</code></em>,
<em class="parameter"><code>const <a href="http://developer.gnome.org/doc/API/2.0/glib/glib-Basic-Types.html#gchar"><span class="type">gchar</span></a> *name</code></em>);</pre>
<p>Checks for a required layer type.</p>
<p>If the layer exists, its <a href="http://developer.gnome.org/doc/API/2.0/gobject/gobject-Type-Information.html#GType"><span class="type">GType</span></a> is returned. If it does not exist, zero is returned and a warning message is added
to the tool dialog. In addition, it sets <em class="parameter"><code>init_failed</code></em>
to <a href="http://developer.gnome.org/doc/API/2.0/glib/glib-Standard-Macros.html#TRUE:CAPS"><code class="literal">TRUE</code></a>.</p>
<p>Therefore, this function should be called early in tool instance initialization and it should not be called again
once it fails.</p>
<div class="refsect3">
<a name="gwy-plain-tool-check-layer-type.parameters"></a><h4>Parameters</h4>
<div class="informaltable"><table class="informaltable" 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>plain_tool</p></td>
<td class="parameter_description"><p>A plain tool.</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>name</p></td>
<td class="parameter_description"><p>Layer type name (e.g. <code class="literal">"GwyLayerPoint"</code>).</p></td>
<td class="parameter_annotations"> </td>
</tr>
</tbody>
</table></div>
</div>
<div class="refsect3">
<a name="gwy-plain-tool-check-layer-type.returns"></a><h4>Returns</h4>
<p> The type of the layer, or 0 on failure.</p>
</div>
</div>
<hr>
<div class="refsect2">
<a name="gwy-plain-tool-connect-selection"></a><h3>gwy_plain_tool_connect_selection ()</h3>
<pre class="programlisting"><span class="returnvalue">void</span>
gwy_plain_tool_connect_selection (<em class="parameter"><code><a class="link" href="GwyPlainTool.html" title="GwyPlainTool"><span class="type">GwyPlainTool</span></a> *plain_tool</code></em>,
<em class="parameter"><code><a href="http://developer.gnome.org/doc/API/2.0/gobject/gobject-Type-Information.html#GType"><span class="type">GType</span></a> layer_type</code></em>,
<em class="parameter"><code>const <a href="http://developer.gnome.org/doc/API/2.0/glib/glib-Basic-Types.html#gchar"><span class="type">gchar</span></a> *bname</code></em>);</pre>
<p>Sets up a plain tool to automatically manage layer selection.</p>
<p>When <em class="parameter"><code>layer_type</code></em>
is 0 and <em class="parameter"><code>bname</code></em>
<a href="http://developer.gnome.org/doc/API/2.0/glib/glib-Standard-Macros.html#NULL:CAPS"><code class="literal">NULL</code></a>, plain tool stops automatically managing selection (hopefully).</p>
<p>This method performs <a class="link" href="GwyPlainTool.html#gwy-plain-tool-ensure-layer" title="gwy_plain_tool_ensure_layer ()"><code class="function">gwy_plain_tool_ensure_layer()</code></a> and <a class="link" href="GwyPlainTool.html#gwy-plain-tool-set-selection-key" title="gwy_plain_tool_set_selection_key ()"><code class="function">gwy_plain_tool_set_selection_key()</code></a>, connecting to the
selection and making sure the <em class="parameter"><code>selection</code></em>
field always points to the correct selection object (or is <a href="http://developer.gnome.org/doc/API/2.0/glib/glib-Standard-Macros.html#NULL:CAPS"><code class="literal">NULL</code></a>).</p>
<p>The <em class="parameter"><code>selection_changed</code></em>
method of <a class="link" href="GwyPlainTool.html#GwyPlainToolClass" title="struct GwyPlainToolClass"><span class="type">GwyPlainToolClass</span></a> is only invoked for a tool instance once this method was called
to set up the selection tracking.</p>
<div class="refsect3">
<a name="gwy-plain-tool-connect-selection.parameters"></a><h4>Parameters</h4>
<div class="informaltable"><table class="informaltable" 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>plain_tool</p></td>
<td class="parameter_description"><p>A plain tool.</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>layer_type</p></td>
<td class="parameter_description"><p>Layer type. Use <a class="link" href="GwyPlainTool.html#gwy-plain-tool-check-layer-type" title="gwy_plain_tool_check_layer_type ()"><code class="function">gwy_plain_tool_check_layer_type()</code></a> in tool instance initialization to check for layer
types.</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>bname</p></td>
<td class="parameter_description"><p>Selection key base name, for example <code class="literal">"line"</code>.</p></td>
<td class="parameter_annotations"> </td>
</tr>
</tbody>
</table></div>
</div>
</div>
<hr>
<div class="refsect2">
<a name="gwy-plain-tool-ensure-layer"></a><h3>gwy_plain_tool_ensure_layer ()</h3>
<pre class="programlisting"><span class="returnvalue">void</span>
gwy_plain_tool_ensure_layer (<em class="parameter"><code><a class="link" href="GwyPlainTool.html" title="GwyPlainTool"><span class="type">GwyPlainTool</span></a> *plain_tool</code></em>,
<em class="parameter"><code><a href="http://developer.gnome.org/doc/API/2.0/gobject/gobject-Type-Information.html#GType"><span class="type">GType</span></a> layer_type</code></em>);</pre>
<p>Makes sure a plain tool's layer is of the correct type.</p>
<p>This is a low-level function, normally you would use <a class="link" href="GwyPlainTool.html#gwy-plain-tool-connect-selection" title="gwy_plain_tool_connect_selection ()"><code class="function">gwy_plain_tool_connect_selection()</code></a>.</p>
<div class="refsect3">
<a name="gwy-plain-tool-ensure-layer.parameters"></a><h4>Parameters</h4>
<div class="informaltable"><table class="informaltable" 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>plain_tool</p></td>
<td class="parameter_description"><p>A plain tool.</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>layer_type</p></td>
<td class="parameter_description"><p>Layer type. Use <a class="link" href="GwyPlainTool.html#gwy-plain-tool-check-layer-type" title="gwy_plain_tool_check_layer_type ()"><code class="function">gwy_plain_tool_check_layer_type()</code></a> in tool instance initialization to check for layer
types.</p></td>
<td class="parameter_annotations"> </td>
</tr>
</tbody>
</table></div>
</div>
</div>
<hr>
<div class="refsect2">
<a name="gwy-plain-tool-set-selection-key"></a><h3>gwy_plain_tool_set_selection_key ()</h3>
<pre class="programlisting">const <a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gchar"><span class="returnvalue">gchar</span></a> *
gwy_plain_tool_set_selection_key (<em class="parameter"><code><a class="link" href="GwyPlainTool.html" title="GwyPlainTool"><span class="type">GwyPlainTool</span></a> *plain_tool</code></em>,
<em class="parameter"><code>const <a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gchar"><span class="type">gchar</span></a> *bname</code></em>);</pre>
<p>Constructs selection key from data key and sets it on the vector layer.</p>
<p>This is a low-level function, normally you would use
<a class="link" href="GwyPlainTool.html#gwy-plain-tool-connect-selection" title="gwy_plain_tool_connect_selection ()"><code class="function">gwy_plain_tool_connect_selection()</code></a>.</p>
<div class="refsect3">
<a name="gwy-plain-tool-set-selection-key.parameters"></a><h4>Parameters</h4>
<div class="informaltable"><table class="informaltable" 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>plain_tool</p></td>
<td class="parameter_description"><p>A plain tool.</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>bname</p></td>
<td class="parameter_description"><p>Selection key base name, for example <code class="literal">"line"</code>.</p></td>
<td class="parameter_annotations"> </td>
</tr>
</tbody>
</table></div>
</div>
<div class="refsect3">
<a name="gwy-plain-tool-set-selection-key.returns"></a><h4>Returns</h4>
<p> The full key (as a layer-owned string).</p>
</div>
</div>
<hr>
<div class="refsect2">
<a name="gwy-plain-tool-add-clear-button"></a><h3>gwy_plain_tool_add_clear_button ()</h3>
<pre class="programlisting"><a href="/usr/share/gtk-doc/html/gtk3/GtkWidget.html#GtkWidget-struct"><span class="returnvalue">GtkWidget</span></a> *
gwy_plain_tool_add_clear_button (<em class="parameter"><code><a class="link" href="GwyPlainTool.html" title="GwyPlainTool"><span class="type">GwyPlainTool</span></a> *plain_tool</code></em>);</pre>
<p>Adds a `Clear' button to a plain tool.</p>
<p>This button works with automatically managed selection (see <a class="link" href="GwyPlainTool.html#gwy-plain-tool-connect-selection" title="gwy_plain_tool_connect_selection ()"><code class="function">gwy_plain_tool_connect_selection()</code></a>). If you want to
manage selection yourself add the button with <a href="/usr/share/gtk-doc/html/gtk3/GtkDialog.html#gtk-dialog-add-button"><code class="function">gtk_dialog_add_button()</code></a>.</p>
<div class="refsect3">
<a name="gwy-plain-tool-add-clear-button.parameters"></a><h4>Parameters</h4>
<div class="informaltable"><table class="informaltable" 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>plain_tool</p></td>
<td class="parameter_description"><p>A plain tool.</p></td>
<td class="parameter_annotations"> </td>
</tr></tbody>
</table></div>
</div>
<div class="refsect3">
<a name="gwy-plain-tool-add-clear-button.returns"></a><h4>Returns</h4>
<p> The button widget.</p>
</div>
</div>
<hr>
<div class="refsect2">
<a name="gwy-plain-tool-get-z-average"></a><h3>gwy_plain_tool_get_z_average ()</h3>
<pre class="programlisting"><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gdouble"><span class="returnvalue">gdouble</span></a>
gwy_plain_tool_get_z_average (<em class="parameter"><code><a href="../GwyDataField.html#GwyDataField-struct"><span class="type">GwyDataField</span></a> *data_field</code></em>,
<em class="parameter"><code>const <a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gdouble"><span class="type">gdouble</span></a> *point</code></em>,
<em class="parameter"><code><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gint"><span class="type">gint</span></a> radius</code></em>);</pre>
<p>Computes average value over a part of data field <em class="parameter"><code>dfield</code></em>
.</p>
<p>It is not an error if part of it lies outside the data field borders (it is simply not counted in), however the
intersection have to be nonempty.</p>
<div class="refsect3">
<a name="gwy-plain-tool-get-z-average.parameters"></a><h4>Parameters</h4>
<div class="informaltable"><table class="informaltable" 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>data_field</p></td>
<td class="parameter_description"><p>A data field.</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>point</p></td>
<td class="parameter_description"><p>Real X and Y-coordinate of area center in physical units.</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>radius</p></td>
<td class="parameter_description"><p>Area radius in pixels, 1 means a signle pixel. The actual radius passed to
<a href="../libgwyprocess-elliptic.html#gwy-data-field-circular-area-extract"><code class="function">gwy_data_field_circular_area_extract()</code></a> is <em class="parameter"><code>radius</code></em>
-0.5.</p></td>
<td class="parameter_annotations"> </td>
</tr>
</tbody>
</table></div>
</div>
<div class="refsect3">
<a name="gwy-plain-tool-get-z-average.returns"></a><h4>Returns</h4>
<p> The average value.</p>
</div>
</div>
<hr>
<div class="refsect2">
<a name="gwy-plain-tool-enable-object-deletion"></a><h3>gwy_plain_tool_enable_object_deletion ()</h3>
<pre class="programlisting"><span class="returnvalue">void</span>
gwy_plain_tool_enable_object_deletion (<em class="parameter"><code><a class="link" href="GwyPlainTool.html" title="GwyPlainTool"><span class="type">GwyPlainTool</span></a> *plain_tool</code></em>,
<em class="parameter"><code><a href="/usr/share/gtk-doc/html/gtk3/GtkTreeView.html#GtkTreeView-struct"><span class="type">GtkTreeView</span></a> *treeview</code></em>);</pre>
<p>Enables deletion of selection objects by presssing Delete in a tree view diplaying them.</p>
<div class="refsect3">
<a name="gwy-plain-tool-enable-object-deletion.parameters"></a><h4>Parameters</h4>
<div class="informaltable"><table class="informaltable" 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>plain_tool</p></td>
<td class="parameter_description"><p>A plain tool.</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>treeview</p></td>
<td class="parameter_description"><p>A tree view that displays selection objects in order, each row corresponding to one selection object.</p></td>
<td class="parameter_annotations"> </td>
</tr>
</tbody>
</table></div>
</div>
<p class="since">Since: <a class="link" href="api-index-2-7.html#api-index-2.7">2.7</a></p>
</div>
<hr>
<div class="refsect2">
<a name="gwy-plain-tool-hold-selection"></a><h3>gwy_plain_tool_hold_selection ()</h3>
<pre class="programlisting"><span class="returnvalue">void</span>
gwy_plain_tool_hold_selection (<em class="parameter"><code><a class="link" href="GwyPlainTool.html" title="GwyPlainTool"><span class="type">GwyPlainTool</span></a> *plain_tool</code></em>,
<em class="parameter"><code><a class="link" href="GwyPlainTool.html#GwyHoldSelectionFlags" title="enum GwyHoldSelectionFlags"><span class="type">GwyHoldSelectionFlags</span></a> hold_flags</code></em>);</pre>
<p>Possibly transfers the selection to a new image upon plain tool data switch.</p>
<p>This function should be called from <code class="function">data_switched()</code> class method in a tool after setting up the layer and
selection. If the selection should be transferred to the new image according to <em class="parameter"><code>hold_flags</code></em>
the previous (held)
selection will replace whatever selection might be there currently. Otherwise the new image's selection is
preserved (and in fact held itself).</p>
<p>Selection holding must be enabled in tool instance init function using <a class="link" href="GwyPlainTool.html#gwy-plain-tool-enable-selection-holding" title="gwy_plain_tool_enable_selection_holding ()"><code class="function">gwy_plain_tool_enable_selection_holding()</code></a>.</p>
<div class="refsect3">
<a name="gwy-plain-tool-hold-selection.parameters"></a><h4>Parameters</h4>
<div class="informaltable"><table class="informaltable" 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>plain_tool</p></td>
<td class="parameter_description"><p>A plain tool.</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>hold_flags</p></td>
<td class="parameter_description"><p>Flags controlling when the selection is held (transferred to another image).</p></td>
<td class="parameter_annotations"> </td>
</tr>
</tbody>
</table></div>
</div>
<p class="since">Since: <a class="link" href="api-index-2-63.html#api-index-2.63">2.63</a></p>
</div>
<hr>
<div class="refsect2">
<a name="gwy-plain-tool-enable-selection-holding"></a><h3>gwy_plain_tool_enable_selection_holding ()</h3>
<pre class="programlisting"><span class="returnvalue">void</span>
gwy_plain_tool_enable_selection_holding
(<em class="parameter"><code><a class="link" href="GwyPlainTool.html" title="GwyPlainTool"><span class="type">GwyPlainTool</span></a> *plain_tool</code></em>);</pre>
<p>Enables selection holding for a plain tool.</p>
<p>Selection holding means that, if certain conditions are satisfied, upon data switch the tool transfers the current
selection to the new image, replacing whatever selection might be there.</p>
<p>This function should be called from the instance init function.</p>
<p>Holding is currently unsupported for tools which use multiple selection types.</p>
<div class="refsect3">
<a name="gwy-plain-tool-enable-selection-holding.parameters"></a><h4>Parameters</h4>
<div class="informaltable"><table class="informaltable" 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>plain_tool</p></td>
<td class="parameter_description"><p>A plain tool.</p></td>
<td class="parameter_annotations"> </td>
</tr></tbody>
</table></div>
</div>
<p class="since">Since: <a class="link" href="api-index-2-63.html#api-index-2.63">2.63</a></p>
</div>
<hr>
<div class="refsect2">
<a name="gwy-rect-selection-labels-new"></a><h3>gwy_rect_selection_labels_new ()</h3>
<pre class="programlisting"><a class="link" href="GwyPlainTool.html#GwyRectSelectionLabels" title="GwyRectSelectionLabels"><span class="returnvalue">GwyRectSelectionLabels</span></a> *
gwy_rect_selection_labels_new (<em class="parameter"><code><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gboolean"><span class="type">gboolean</span></a> none_is_full</code></em>,
<em class="parameter"><code><a href="/usr/share/gtk-doc/html/gobject/gobject-Closures.html#GCallback"><span class="type">GCallback</span></a> callback</code></em>,
<em class="parameter"><code><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gpointer"><span class="type">gpointer</span></a> cbdata</code></em>);</pre>
<p>Creates a table displaying rectangular selection information.</p>
<p>The returned object will destroy itself when the table is destroyed.</p>
<div class="refsect3">
<a name="gwy-rect-selection-labels-new.parameters"></a><h4>Parameters</h4>
<div class="informaltable"><table class="informaltable" 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>none_is_full</p></td>
<td class="parameter_description"><p><a href="/usr/share/gtk-doc/html/glib/glib-Standard-Macros.html#TRUE:CAPS"><code class="literal">TRUE</code></a> to treat unselected state as full data selected.</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>callback</p></td>
<td class="parameter_description"><p>Callback to call when the selection is edited.</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>cbdata</p></td>
<td class="parameter_description"><p>Data to pass to <em class="parameter"><code>callback</code></em>
(as the first argument).</p></td>
<td class="parameter_annotations"> </td>
</tr>
</tbody>
</table></div>
</div>
<div class="refsect3">
<a name="gwy-rect-selection-labels-new.returns"></a><h4>Returns</h4>
<p> The newly created rectangular selection information, as an opaque pointer. The table widget can be
obtained with <a class="link" href="GwyPlainTool.html#gwy-rect-selection-labels-get-table" title="gwy_rect_selection_labels_get_table ()"><code class="function">gwy_rect_selection_labels_get_table()</code></a>.</p>
</div>
</div>
<hr>
<div class="refsect2">
<a name="gwy-rect-selection-labels-get-table"></a><h3>gwy_rect_selection_labels_get_table ()</h3>
<pre class="programlisting"><a href="/usr/share/gtk-doc/html/gtk3/GtkWidget.html#GtkWidget-struct"><span class="returnvalue">GtkWidget</span></a> *
gwy_rect_selection_labels_get_table (<em class="parameter"><code><a class="link" href="GwyPlainTool.html#GwyRectSelectionLabels" title="GwyRectSelectionLabels"><span class="type">GwyRectSelectionLabels</span></a> *rlabels</code></em>);</pre>
<p>Gets the table widget of a rectangular selection information.</p>
<div class="refsect3">
<a name="gwy-rect-selection-labels-get-table.parameters"></a><h4>Parameters</h4>
<div class="informaltable"><table class="informaltable" 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>rlabels</p></td>
<td class="parameter_description"><p>Rectangular selection information table.</p></td>
<td class="parameter_annotations"> </td>
</tr></tbody>
</table></div>
</div>
<div class="refsect3">
<a name="gwy-rect-selection-labels-get-table.returns"></a><h4>Returns</h4>
<p> The table as a <a href="/usr/share/gtk-doc/html/gtk3/GtkWidget.html#GtkWidget-struct"><span class="type">GtkWidget</span></a>.</p>
</div>
</div>
<hr>
<div class="refsect2">
<a name="gwy-rect-selection-labels-select"></a><h3>gwy_rect_selection_labels_select ()</h3>
<pre class="programlisting"><span class="returnvalue">void</span>
gwy_rect_selection_labels_select (<em class="parameter"><code><a class="link" href="GwyPlainTool.html#GwyRectSelectionLabels" title="GwyRectSelectionLabels"><span class="type">GwyRectSelectionLabels</span></a> *rlabels</code></em>,
<em class="parameter"><code><a href="../GwySelection.html#GwySelection-struct"><span class="type">GwySelection</span></a> *selection</code></em>,
<em class="parameter"><code><a href="../GwyDataField.html#GwyDataField-struct"><span class="type">GwyDataField</span></a> *dfield</code></em>);</pre>
<p>Updates selection data using rectangular selection information table.</p>
<div class="refsect3">
<a name="gwy-rect-selection-labels-select.parameters"></a><h4>Parameters</h4>
<div class="informaltable"><table class="informaltable" 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>rlabels</p></td>
<td class="parameter_description"><p>Rectangular selection information table.</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>selection</p></td>
<td class="parameter_description"><p>A rectangular selection to fill information into.</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>dfield</p></td>
<td class="parameter_description"><p>A data field to use for real/pixel coordinate transforms.</p></td>
<td class="parameter_annotations"> </td>
</tr>
</tbody>
</table></div>
</div>
</div>
<hr>
<div class="refsect2">
<a name="gwy-rect-selection-labels-fill"></a><h3>gwy_rect_selection_labels_fill ()</h3>
<pre class="programlisting"><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gboolean"><span class="returnvalue">gboolean</span></a>
gwy_rect_selection_labels_fill (<em class="parameter"><code><a class="link" href="GwyPlainTool.html#GwyRectSelectionLabels" title="GwyRectSelectionLabels"><span class="type">GwyRectSelectionLabels</span></a> *rlabels</code></em>,
<em class="parameter"><code><a href="../GwySelection.html#GwySelection-struct"><span class="type">GwySelection</span></a> *selection</code></em>,
<em class="parameter"><code><a href="../GwyDataField.html#GwyDataField-struct"><span class="type">GwyDataField</span></a> *dfield</code></em>,
<em class="parameter"><code><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gdouble"><span class="type">gdouble</span></a> *selreal</code></em>,
<em class="parameter"><code><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gint"><span class="type">gint</span></a> *selpix</code></em>);</pre>
<p>Updates rectangular selection info display.</p>
<p>It is possible to pass <a href="/usr/share/gtk-doc/html/glib/glib-Standard-Macros.html#NULL:CAPS"><code class="literal">NULL</code></a> <em class="parameter"><code>dfield</code></em>
but non-<a href="/usr/share/gtk-doc/html/glib/glib-Standard-Macros.html#NULL:CAPS"><code class="literal">NULL</code></a> <em class="parameter"><code>selection</code></em>
. This can lead to <a href="/usr/share/gtk-doc/html/glib/glib-Standard-Macros.html#TRUE:CAPS"><code class="literal">TRUE</code></a> return value (if the
selection is non-empty), but the labels will be still cleared as there is no way to convert between real and pixel
coordinates.</p>
<div class="refsect3">
<a name="gwy-rect-selection-labels-fill.parameters"></a><h4>Parameters</h4>
<div class="informaltable"><table class="informaltable" 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>rlabels</p></td>
<td class="parameter_description"><p>Rectangular selection info table.</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>selection</p></td>
<td class="parameter_description"><p>A rectangular selection to fill information from. It can be <a href="/usr/share/gtk-doc/html/glib/glib-Standard-Macros.html#NULL:CAPS"><code class="literal">NULL</code></a> to clear the labels.</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>dfield</p></td>
<td class="parameter_description"><p>A data field to use for real/pixel coordinate transforms. It can be <a href="/usr/share/gtk-doc/html/glib/glib-Standard-Macros.html#NULL:CAPS"><code class="literal">NULL</code></a> to clear the labels.</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>selreal</p></td>
<td class="parameter_description"><p>If not <a href="/usr/share/gtk-doc/html/glib/glib-Standard-Macros.html#NULL:CAPS"><code class="literal">NULL</code></a>, must be an array of size at least 4 and will be filled with selection data xmin, ymin,
xmax, ymax in physical units.</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>selpix</p></td>
<td class="parameter_description"><p>If not <a href="/usr/share/gtk-doc/html/glib/glib-Standard-Macros.html#NULL:CAPS"><code class="literal">NULL</code></a>, must be an array of size at least 4 and will be filled with selection data xmin, ymin, xmax,
ymax in pixels.</p></td>
<td class="parameter_annotations"> </td>
</tr>
</tbody>
</table></div>
</div>
<div class="refsect3">
<a name="gwy-rect-selection-labels-fill.returns"></a><h4>Returns</h4>
<p> <a href="/usr/share/gtk-doc/html/glib/glib-Standard-Macros.html#TRUE:CAPS"><code class="literal">TRUE</code></a> if a selection is present, <a href="/usr/share/gtk-doc/html/glib/glib-Standard-Macros.html#FALSE:CAPS"><code class="literal">FALSE</code></a> otherwise.</p>
</div>
</div>
<hr>
<div class="refsect2">
<a name="gwy-plain-tool-log-add"></a><h3>gwy_plain_tool_log_add ()</h3>
<pre class="programlisting"><span class="returnvalue">void</span>
gwy_plain_tool_log_add (<em class="parameter"><code><a class="link" href="GwyPlainTool.html" title="GwyPlainTool"><span class="type">GwyPlainTool</span></a> *plain_tool</code></em>);</pre>
<p>Logs a data modification operation of a plain tool.</p>
<p>This is a convenience wrapper for <a class="link" href="libgwyapp-log.html#gwy-app-channel-log-add" title="gwy_app_channel_log_add ()"><code class="function">gwy_app_channel_log_add()</code></a>, setting automatically the container, data id and
function name from the tool. It can only be used for simple data modification operations in which the source and
target ids are the same. In more complex cases you have to use <a class="link" href="libgwyapp-log.html#gwy-app-channel-log-add" title="gwy_app_channel_log_add ()"><code class="function">gwy_app_channel_log_add()</code></a> directly.</p>
<div class="refsect3">
<a name="gwy-plain-tool-log-add.parameters"></a><h4>Parameters</h4>
<div class="informaltable"><table class="informaltable" 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>plain_tool</p></td>
<td class="parameter_description"><p>A plain tool.</p></td>
<td class="parameter_annotations"> </td>
</tr></tbody>
</table></div>
</div>
<p class="since">Since: <a class="link" href="api-index-2-35.html#api-index-2.35">2.35</a></p>
</div>
<hr>
<div class="refsect2">
<a name="gwy-plain-tool-add-param-table"></a><h3>gwy_plain_tool_add_param_table ()</h3>
<pre class="programlisting"><span class="returnvalue">void</span>
gwy_plain_tool_add_param_table (<em class="parameter"><code><a class="link" href="GwyPlainTool.html" title="GwyPlainTool"><span class="type">GwyPlainTool</span></a> *plain_tool</code></em>,
<em class="parameter"><code><a class="link" href="GwyParamTable.html" title="GwyParamTable"><span class="type">GwyParamTable</span></a> *partable</code></em>);</pre>
<p>Registers a parameter table with a data processing module dialog window.</p>
<p>See <a class="link" href="GwyDialog.html#gwy-dialog-add-param-table" title="gwy_dialog_add_param_table ()"><code class="function">gwy_dialog_add_param_table()</code></a> for details.</p>
<div class="refsect3">
<a name="gwy-plain-tool-add-param-table.parameters"></a><h4>Parameters</h4>
<div class="informaltable"><table class="informaltable" 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>plain_tool</p></td>
<td class="parameter_description"><p>A plain tool.</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>partable</p></td>
<td class="parameter_description"><p>Parameter table to add.</p></td>
<td class="parameter_annotations"> </td>
</tr>
</tbody>
</table></div>
</div>
<p class="since">Since: <a class="link" href="api-index-2-62.html#api-index-2.62">2.62</a></p>
</div>
</div>
<div class="refsect1">
<a name="GwyPlainTool.other_details"></a><h2>Types and Values</h2>
<div class="refsect2">
<a name="GwyPlainToolChanged"></a><h3>enum GwyPlainToolChanged</h3>
<p>The type of pending changes that accumulated during tool inactivity.</p>
<div class="refsect3">
<a name="GwyPlainToolChanged.members"></a><h4>Members</h4>
<div class="informaltable"><table class="informaltable" width="100%" border="0">
<colgroup>
<col width="300px" class="enum_members_name">
<col class="enum_members_description">
<col width="200px" class="enum_members_annotations">
</colgroup>
<tbody>
<tr>
<td class="enum_member_name"><p><a name="GWY-PLAIN-TOOL-CHANGED-DATA:CAPS"></a>GWY_PLAIN_TOOL_CHANGED_DATA</p></td>
<td class="enum_member_description">
<p>Channel data field was changed.</p>
</td>
<td class="enum_member_annotations"> </td>
</tr>
<tr>
<td class="enum_member_name"><p><a name="GWY-PLAIN-TOOL-CHANGED-MASK:CAPS"></a>GWY_PLAIN_TOOL_CHANGED_MASK</p></td>
<td class="enum_member_description">
<p>Mask data field was changed.</p>
</td>
<td class="enum_member_annotations"> </td>
</tr>
<tr>
<td class="enum_member_name"><p><a name="GWY-PLAIN-TOOL-CHANGED-SHOW:CAPS"></a>GWY_PLAIN_TOOL_CHANGED_SHOW</p></td>
<td class="enum_member_description">
<p>Presentation data field was changed.</p>
</td>
<td class="enum_member_annotations"> </td>
</tr>
<tr>
<td class="enum_member_name"><p><a name="GWY-PLAIN-TOOL-CHANGED-SELECTION:CAPS"></a>GWY_PLAIN_TOOL_CHANGED_SELECTION</p></td>
<td class="enum_member_description">
<p>Selection was changed.</p>
</td>
<td class="enum_member_annotations"> </td>
</tr>
<tr>
<td class="enum_member_name"><p><a name="GWY-PLAIN-TOOL-FINISHED-SELECTION:CAPS"></a>GWY_PLAIN_TOOL_FINISHED_SELECTION</p></td>
<td class="enum_member_description">
<p>Selection was finished (that is emitted <a href="../GwySelection.html#GwySelection-finished"><span class="type">“finished”</span></a>).</p>
</td>
<td class="enum_member_annotations"> </td>
</tr>
</tbody>
</table></div>
</div>
</div>
<hr>
<div class="refsect2">
<a name="GwyHoldSelectionFlags"></a><h3>enum GwyHoldSelectionFlags</h3>
<p>Flags controlling the selection holding behaviour of tools.</p>
<p>Although any combination of flags is valid, this is mainly so that user's choice is not reset. For any holding to
be done at all the <a class="link" href="GwyPlainTool.html#GWY-HOLD-SELECTION-HOLD:CAPS"><code class="literal">GWY_HOLD_SELECTION_HOLD</code></a> flag must be set. If it is unset then <a class="link" href="GwyPlainTool.html#GWY-HOLD-SELECTION-OVERWRITE:CAPS"><code class="literal">GWY_HOLD_SELECTION_OVERWRITE</code></a>
and <a class="link" href="GwyPlainTool.html#GWY-HOLD-SELECTION-CLEAR:CAPS"><code class="literal">GWY_HOLD_SELECTION_CLEAR</code></a> do not matter. Similarly, for <a class="link" href="GwyPlainTool.html#GWY-HOLD-SELECTION-CLEAR:CAPS"><code class="literal">GWY_HOLD_SELECTION_CLEAR</code></a> has any effect only if
overwriting is enabled by setting <a class="link" href="GwyPlainTool.html#GWY-HOLD-SELECTION-OVERWRITE:CAPS"><code class="literal">GWY_HOLD_SELECTION_OVERWRITE</code></a>.</p>
<div class="refsect3">
<a name="GwyHoldSelectionFlags.members"></a><h4>Members</h4>
<div class="informaltable"><table class="informaltable" width="100%" border="0">
<colgroup>
<col width="300px" class="enum_members_name">
<col class="enum_members_description">
<col width="200px" class="enum_members_annotations">
</colgroup>
<tbody>
<tr>
<td class="enum_member_name"><p><a name="GWY-HOLD-SELECTION-HOLD:CAPS"></a>GWY_HOLD_SELECTION_HOLD</p></td>
<td class="enum_member_description">
<p>Selections are held (transferred to the new image).</p>
</td>
<td class="enum_member_annotations"> </td>
</tr>
<tr>
<td class="enum_member_name"><p><a name="GWY-HOLD-SELECTION-OVERWRITE:CAPS"></a>GWY_HOLD_SELECTION_OVERWRITE</p></td>
<td class="enum_member_description">
<p>Existing selections on the new image is replaced.</p>
</td>
<td class="enum_member_annotations"> </td>
</tr>
<tr>
<td class="enum_member_name"><p><a name="GWY-HOLD-SELECTION-CLEAR:CAPS"></a>GWY_HOLD_SELECTION_CLEAR</p></td>
<td class="enum_member_description">
<p>If the current image has no selection the selection on the new image is cleared.</p>
</td>
<td class="enum_member_annotations"> </td>
</tr>
</tbody>
</table></div>
</div>
<p class="since">Since: <a class="link" href="api-index-2-63.html#api-index-2.63">2.63</a></p>
</div>
<hr>
<div class="refsect2">
<a name="GwyRectSelectionLabels"></a><h3>GwyRectSelectionLabels</h3>
<pre class="programlisting">typedef struct _GwyRectSelectionLabels GwyRectSelectionLabels;</pre>
</div>
<hr>
<div class="refsect2">
<a name="GwyToolHeldSelection"></a><h3>GwyToolHeldSelection</h3>
<pre class="programlisting">typedef struct _GwyToolHeldSelection GwyToolHeldSelection;</pre>
</div>
<hr>
<div class="refsect2">
<a name="GwyPlainTool-struct"></a><h3>struct GwyPlainTool</h3>
<pre class="programlisting">struct GwyPlainTool;</pre>
</div>
<hr>
<div class="refsect2">
<a name="GwyPlainToolClass"></a><h3>struct GwyPlainToolClass</h3>
<pre class="programlisting">struct GwyPlainToolClass {
GwyToolClass parent_class;
void (*data_changed)(GwyPlainTool *plain_tool);
void (*mask_changed)(GwyPlainTool *plain_tool);
void (*show_changed)(GwyPlainTool *plain_tool);
void (*selection_changed)(GwyPlainTool *plain_tool,
gint hint);
void (*selection_finished)(GwyPlainTool *plain_tool);
void (*reserved1)(void);
void (*reserved2)(void);
void (*reserved3)(void);
};
</pre>
</div>
</div>
</div>
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