gtkspinbutton.html

最新gtk中文资料集

                                                         <a
href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gdouble"
>gdouble</a> value);</pre>
<p>
Set the value of <em class="parameter"><code>spin_button</code></em>.</p>
<p>

</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>spin_button</code></em>&#160;:</span></p></td>
<td> a <a class="link" href="GtkSpinButton.html" title="GtkSpinButton"><span class="type">GtkSpinButton</span></a>
</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>value</code></em>&#160;:</span></p></td>
<td> the new value
</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2" lang="en">
<a name="id3548835"></a><h3>
<a name="gtk-spin-button-set-update-policy"></a>gtk_spin_button_set_update_policy ()</h3>
<a class="indexterm" name="id3548849"></a><pre class="programlisting">void                gtk_spin_button_set_update_policy   (<a class="link" href="GtkSpinButton.html" title="GtkSpinButton">GtkSpinButton</a> *spin_button,
                                                         <a class="link" href="GtkSpinButton.html#GtkSpinButtonUpdatePolicy">GtkSpinButtonUpdatePolicy</a> policy);</pre>
<p>
Sets the update behavior of a spin button. This determines whether the
spin button is always updated or only when a valid value is set.</p>
<p>

</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>spin_button</code></em>&#160;:</span></p></td>
<td> a <a class="link" href="GtkSpinButton.html" title="GtkSpinButton"><span class="type">GtkSpinButton</span></a> 
</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>policy</code></em>&#160;:</span></p></td>
<td> a <a class="link" href="GtkSpinButton.html#GtkSpinButtonUpdatePolicy"><span class="type">GtkSpinButtonUpdatePolicy</span></a> value
</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2" lang="en">
<a name="id3548940"></a><h3>
<a name="gtk-spin-button-set-numeric"></a>gtk_spin_button_set_numeric ()</h3>
<a class="indexterm" name="id3548954"></a><pre class="programlisting">void                gtk_spin_button_set_numeric         (<a class="link" href="GtkSpinButton.html" title="GtkSpinButton">GtkSpinButton</a> *spin_button,
                                                         <a
href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gboolean"
>gboolean</a> numeric);</pre>
<p>
Sets the flag that determines if non-numeric text can be typed into
the spin button.</p>
<p>

</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>spin_button</code></em>&#160;:</span></p></td>
<td> a <a class="link" href="GtkSpinButton.html" title="GtkSpinButton"><span class="type">GtkSpinButton</span></a> 
</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>numeric</code></em>&#160;:</span></p></td>
<td> flag indicating if only numeric entry is allowed. 
</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2" lang="en">
<a name="id3549035"></a><h3>
<a name="gtk-spin-button-spin"></a>gtk_spin_button_spin ()</h3>
<a class="indexterm" name="id3549049"></a><pre class="programlisting">void                gtk_spin_button_spin                (<a class="link" href="GtkSpinButton.html" title="GtkSpinButton">GtkSpinButton</a> *spin_button,
                                                         <a class="link" href="GtkSpinButton.html#GtkSpinType">GtkSpinType</a> direction,
                                                         <a
href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gdouble"
>gdouble</a> increment);</pre>
<p>
Increment or decrement a spin button's value in a specified direction
by a specified amount.</p>
<p>

</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>spin_button</code></em>&#160;:</span></p></td>
<td> a <a class="link" href="GtkSpinButton.html" title="GtkSpinButton"><span class="type">GtkSpinButton</span></a> 
</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>direction</code></em>&#160;:</span></p></td>
<td> a <a class="link" href="GtkSpinButton.html#GtkSpinType"><span class="type">GtkSpinType</span></a> indicating the direction to spin.
</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>increment</code></em>&#160;:</span></p></td>
<td> step increment to apply in the specified direction.
</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2" lang="en">
<a name="id3549161"></a><h3>
<a name="gtk-spin-button-set-wrap"></a>gtk_spin_button_set_wrap ()</h3>
<a class="indexterm" name="id3549174"></a><pre class="programlisting">void                gtk_spin_button_set_wrap            (<a class="link" href="GtkSpinButton.html" title="GtkSpinButton">GtkSpinButton</a> *spin_button,
                                                         <a
href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gboolean"
>gboolean</a> wrap);</pre>
<p>
Sets the flag that determines if a spin button value wraps around to the
opposite limit when the upper or lower limit of the range is exceeded.</p>
<p>

</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>spin_button</code></em>&#160;:</span></p></td>
<td> a <a class="link" href="GtkSpinButton.html" title="GtkSpinButton"><span class="type">GtkSpinButton</span></a> 
</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>wrap</code></em>&#160;:</span></p></td>
<td> a flag indicating if wrapping behavior is performed.
</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2" lang="en">
<a name="id3549257"></a><h3>
<a name="gtk-spin-button-set-snap-to-ticks"></a>gtk_spin_button_set_snap_to_ticks ()</h3>
<a class="indexterm" name="id3549271"></a><pre class="programlisting">void                gtk_spin_button_set_snap_to_ticks   (<a class="link" href="GtkSpinButton.html" title="GtkSpinButton">GtkSpinButton</a> *spin_button,
                                                         <a
href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gboolean"
>gboolean</a> snap_to_ticks);</pre>
<p>
Sets the policy as to whether values are corrected to the nearest step 
increment when a spin button is activated after providing an invalid value.</p>
<p>

</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>spin_button</code></em>&#160;:</span></p></td>
<td> a <a class="link" href="GtkSpinButton.html" title="GtkSpinButton"><span class="type">GtkSpinButton</span></a> 
</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>snap_to_ticks</code></em>&#160;:</span></p></td>
<td> a flag indicating if invalid values should be corrected.
</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2" lang="en">
<a name="id3549354"></a><h3>
<a name="gtk-spin-button-update"></a>gtk_spin_button_update ()</h3>
<a class="indexterm" name="id3549368"></a><pre class="programlisting">void                gtk_spin_button_update              (<a class="link" href="GtkSpinButton.html" title="GtkSpinButton">GtkSpinButton</a> *spin_button);</pre>
<p>
Manually force an update of the spin button.</p>
<p>

</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody><tr>
<td><p><span class="term"><em class="parameter"><code>spin_button</code></em>&#160;:</span></p></td>
<td> a <a class="link" href="GtkSpinButton.html" title="GtkSpinButton"><span class="type">GtkSpinButton</span></a> 
</td>
</tr></tbody>
</table></div>
</div>
<hr>
<div class="refsect2" lang="en">
<a name="id3549427"></a><h3>
<a name="gtk-spin-button-get-digits"></a>gtk_spin_button_get_digits ()</h3>
<a class="indexterm" name="id3549441"></a><pre class="programlisting"><a
href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#guint"
>guint</a>               gtk_spin_button_get_digits          (<a class="link" href="GtkSpinButton.html" title="GtkSpinButton">GtkSpinButton</a> *spin_button);</pre>
<p>
Fetches the precision of <em class="parameter"><code>spin_button</code></em>. See <a class="link" href="GtkSpinButton.html#gtk-spin-button-set-digits"><code class="function">gtk_spin_button_set_digits()</code></a>.</p>
<p>

</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>spin_button</code></em>&#160;:</span></p></td>
<td> a <a class="link" href="GtkSpinButton.html" title="GtkSpinButton"><span class="type">GtkSpinButton</span></a>
</td>
</tr>
<tr>
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span>&#160;:</span></p></td>
<td> the current precision
</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2" lang="en">
<a name="id3549526"></a><h3>
<a name="gtk-spin-button-get-increments"></a>gtk_spin_button_get_increments ()</h3>
<a class="indexterm" name="id3549540"></a><pre class="programlisting">void                gtk_spin_button_get_increments      (<a class="link" href="GtkSpinButton.html" title="GtkSpinButton">GtkSpinButton</a> *spin_button,
                                                         <a
href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gdouble"
>gdouble</a> *step,
                                                         <a
href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gdouble"
>gdouble</a> *page);</pre>
<p>
Gets the current step and page the increments used by <em class="parameter"><code>spin_button</code></em>. See
<a class="link" href="GtkSpinButton.html#gtk-spin-button-set-increments"><code class="function">gtk_spin_button_set_increments()</code></a>.</p>
<p>

</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>spin_button</code></em>&#160;:</span></p></td>
<td> a <a class="link" href="GtkSpinButton.html" title="GtkSpinButton"><span class="type">GtkSpinButton</span></a>
</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>step</code></em>&#160;:</span></p></td>
<td> location to store step increment, or <a
href="/usr/share/gtk-doc/html/liboil/liboil-liboiljunk.html#NULL:CAPS"
><code class="literal">NULL</code></a>
</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>page</code></em>&#160;:</span></p></td>
<td> location to store page increment, or <a
href="/usr/share/gtk-doc/html/liboil/liboil-liboiljunk.html#NULL:CAPS"
><code class="literal">NULL</code></a>
</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2" lang="en">