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24 <a href="#GFileMonitor.synopsis" class="shortcut">Top</a>
25                    | 
26                   <a href="#GFileMonitor.description" class="shortcut">Description</a>
27                    | 
28                   <a href="#GFileMonitor.object-hierarchy" class="shortcut">Object Hierarchy</a>
29                    | 
30                   <a href="#GFileMonitor.properties" class="shortcut">Properties</a>
31                    | 
32                   <a href="#GFileMonitor.signals" class="shortcut">Signals</a>
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35 <div class="refentry">
36 <a name="GFileMonitor"></a><div class="titlepage"></div>
37 <div class="refnamediv"><table width="100%"><tr>
38 <td valign="top">
39 <h2><span class="refentrytitle"><a name="GFileMonitor.top_of_page"></a>GFileMonitor</span></h2>
40 <p>GFileMonitor — File Monitor</p>
41 </td>
42 <td valign="top" align="right"></td>
43 </tr></table></div>
44 <div class="refsynopsisdiv">
45 <a name="GFileMonitor.synopsis"></a><h2>Synopsis</h2>
46 <pre class="synopsis">
47 #include &lt;gio/gio.h&gt;
48
49 enum                <a class="link" href="GFileMonitor.html#GFileMonitorEvent" title="enum GFileMonitorEvent">GFileMonitorEvent</a>;
50                     <a class="link" href="GFileMonitor.html#GFileMonitor-struct" title="GFileMonitor">GFileMonitor</a>;
51 <a href="./../glib/glib/glib-Basic-Types.html#gboolean"><span class="returnvalue">gboolean</span></a>            <a class="link" href="GFileMonitor.html#g-file-monitor-cancel" title="g_file_monitor_cancel ()">g_file_monitor_cancel</a>               (<em class="parameter"><code><a class="link" href="GFileMonitor.html" title="GFileMonitor"><span class="type">GFileMonitor</span></a> *monitor</code></em>);
52 <a href="./../glib/glib/glib-Basic-Types.html#gboolean"><span class="returnvalue">gboolean</span></a>            <a class="link" href="GFileMonitor.html#g-file-monitor-is-cancelled" title="g_file_monitor_is_cancelled ()">g_file_monitor_is_cancelled</a>         (<em class="parameter"><code><a class="link" href="GFileMonitor.html" title="GFileMonitor"><span class="type">GFileMonitor</span></a> *monitor</code></em>);
53 <span class="returnvalue">void</span>                <a class="link" href="GFileMonitor.html#g-file-monitor-set-rate-limit" title="g_file_monitor_set_rate_limit ()">g_file_monitor_set_rate_limit</a>       (<em class="parameter"><code><a class="link" href="GFileMonitor.html" title="GFileMonitor"><span class="type">GFileMonitor</span></a> *monitor</code></em>,
54                                                          <em class="parameter"><code><a href="./../glib/glib/glib-Basic-Types.html#gint"><span class="type">gint</span></a> limit_msecs</code></em>);
55 <span class="returnvalue">void</span>                <a class="link" href="GFileMonitor.html#g-file-monitor-emit-event" title="g_file_monitor_emit_event ()">g_file_monitor_emit_event</a>           (<em class="parameter"><code><a class="link" href="GFileMonitor.html" title="GFileMonitor"><span class="type">GFileMonitor</span></a> *monitor</code></em>,
56                                                          <em class="parameter"><code><a class="link" href="GFile.html" title="GFile"><span class="type">GFile</span></a> *child</code></em>,
57                                                          <em class="parameter"><code><a class="link" href="GFile.html" title="GFile"><span class="type">GFile</span></a> *other_file</code></em>,
58                                                          <em class="parameter"><code><a class="link" href="GFileMonitor.html#GFileMonitorEvent" title="enum GFileMonitorEvent"><span class="type">GFileMonitorEvent</span></a> event_type</code></em>);
59 </pre>
60 </div>
61 <div class="refsect1">
62 <a name="GFileMonitor.object-hierarchy"></a><h2>Object Hierarchy</h2>
63 <pre class="synopsis">
64   <a href="./../gobject/gobject/gobject-The-Base-Object-Type.html#GObject">GObject</a>
65    +----GFileMonitor
66 </pre>
67 </div>
68 <div class="refsect1">
69 <a name="GFileMonitor.properties"></a><h2>Properties</h2>
70 <pre class="synopsis">
71   "<a class="link" href="GFileMonitor.html#GFileMonitor--cancelled" title='The "cancelled" property'>cancelled</a>"                <a href="./../glib/glib/glib-Basic-Types.html#gboolean"><span class="type">gboolean</span></a>              : Read
72   "<a class="link" href="GFileMonitor.html#GFileMonitor--rate-limit" title='The "rate-limit" property'>rate-limit</a>"               <a href="./../glib/glib/glib-Basic-Types.html#gint"><span class="type">gint</span></a>                  : Read / Write
73 </pre>
74 </div>
75 <div class="refsect1">
76 <a name="GFileMonitor.signals"></a><h2>Signals</h2>
77 <pre class="synopsis">
78   "<a class="link" href="GFileMonitor.html#GFileMonitor-changed" title='The "changed" signal'>changed</a>"                                        : <a href="./../gobject/gobject/gobject-Signals.html#G-SIGNAL-RUN-LAST:CAPS"><code class="literal">Run Last</code></a>
79 </pre>
80 </div>
81 <div class="refsect1">
82 <a name="GFileMonitor.description"></a><h2>Description</h2>
83 <p>
84 Monitors a file or directory for changes.
85 </p>
86 <p>
87 To obtain a <a class="link" href="GFileMonitor.html" title="GFileMonitor"><span class="type">GFileMonitor</span></a> for a file or directory, use
88 <a class="link" href="GFile.html#g-file-monitor" title="g_file_monitor ()"><code class="function">g_file_monitor()</code></a>, <a class="link" href="GFile.html#g-file-monitor-file" title="g_file_monitor_file ()"><code class="function">g_file_monitor_file()</code></a>, or
89 <a class="link" href="GFile.html#g-file-monitor-directory" title="g_file_monitor_directory ()"><code class="function">g_file_monitor_directory()</code></a>.
90 </p>
91 <p>
92 To get informed about changes to the file or directory you are
93 monitoring, connect to the <a class="link" href="GFileMonitor.html#GFileMonitor-changed" title='The "changed" signal'><span class="type">"changed"</span></a> signal. The
94 signal will be emitted in the <GTKDOCLINK HREF="g-main-context-push-thread-default">thread-default main
95 context</GTKDOCLINK> of the thread that the monitor was created in
96 (though if the global default main context is blocked, this may
97 cause notifications to be blocked even if the thread-default
98 context is still running).
99 </p>
100 </div>
101 <div class="refsect1">
102 <a name="GFileMonitor.details"></a><h2>Details</h2>
103 <div class="refsect2">
104 <a name="GFileMonitorEvent"></a><h3>enum GFileMonitorEvent</h3>
105 <pre class="programlisting">typedef enum {
106   G_FILE_MONITOR_EVENT_CHANGED,
107   G_FILE_MONITOR_EVENT_CHANGES_DONE_HINT,
108   G_FILE_MONITOR_EVENT_DELETED,
109   G_FILE_MONITOR_EVENT_CREATED,
110   G_FILE_MONITOR_EVENT_ATTRIBUTE_CHANGED,
111   G_FILE_MONITOR_EVENT_PRE_UNMOUNT,
112   G_FILE_MONITOR_EVENT_UNMOUNTED,
113   G_FILE_MONITOR_EVENT_MOVED
114 } GFileMonitorEvent;
115 </pre>
116 <p>
117 Specifies what type of event a monitor event is.
118 </p>
119 <div class="variablelist"><table border="0">
120 <col align="left" valign="top">
121 <tbody>
122 <tr>
123 <td><p><a name="G-FILE-MONITOR-EVENT-CHANGED:CAPS"></a><span class="term"><code class="literal">G_FILE_MONITOR_EVENT_CHANGED</code></span></p></td>
124 <td>a file changed.
125 </td>
126 </tr>
127 <tr>
128 <td><p><a name="G-FILE-MONITOR-EVENT-CHANGES-DONE-HINT:CAPS"></a><span class="term"><code class="literal">G_FILE_MONITOR_EVENT_CHANGES_DONE_HINT</code></span></p></td>
129 <td>a hint that this was probably the last change in a set of changes.
130 </td>
131 </tr>
132 <tr>
133 <td><p><a name="G-FILE-MONITOR-EVENT-DELETED:CAPS"></a><span class="term"><code class="literal">G_FILE_MONITOR_EVENT_DELETED</code></span></p></td>
134 <td>a file was deleted.
135 </td>
136 </tr>
137 <tr>
138 <td><p><a name="G-FILE-MONITOR-EVENT-CREATED:CAPS"></a><span class="term"><code class="literal">G_FILE_MONITOR_EVENT_CREATED</code></span></p></td>
139 <td>a file was created.
140 </td>
141 </tr>
142 <tr>
143 <td><p><a name="G-FILE-MONITOR-EVENT-ATTRIBUTE-CHANGED:CAPS"></a><span class="term"><code class="literal">G_FILE_MONITOR_EVENT_ATTRIBUTE_CHANGED</code></span></p></td>
144 <td>a file attribute was changed.
145 </td>
146 </tr>
147 <tr>
148 <td><p><a name="G-FILE-MONITOR-EVENT-PRE-UNMOUNT:CAPS"></a><span class="term"><code class="literal">G_FILE_MONITOR_EVENT_PRE_UNMOUNT</code></span></p></td>
149 <td>the file location will soon be unmounted.
150 </td>
151 </tr>
152 <tr>
153 <td><p><a name="G-FILE-MONITOR-EVENT-UNMOUNTED:CAPS"></a><span class="term"><code class="literal">G_FILE_MONITOR_EVENT_UNMOUNTED</code></span></p></td>
154 <td>the file location was unmounted.
155 </td>
156 </tr>
157 <tr>
158 <td><p><a name="G-FILE-MONITOR-EVENT-MOVED:CAPS"></a><span class="term"><code class="literal">G_FILE_MONITOR_EVENT_MOVED</code></span></p></td>
159 <td>the file was moved.
160 </td>
161 </tr>
162 </tbody>
163 </table></div>
164 </div>
165 <hr>
166 <div class="refsect2">
167 <a name="GFileMonitor-struct"></a><h3>GFileMonitor</h3>
168 <pre class="programlisting">typedef struct _GFileMonitor GFileMonitor;</pre>
169 <p>
170 Watches for changes to a file.
171 </p>
172 </div>
173 <hr>
174 <div class="refsect2">
175 <a name="g-file-monitor-cancel"></a><h3>g_file_monitor_cancel ()</h3>
176 <pre class="programlisting"><a href="./../glib/glib/glib-Basic-Types.html#gboolean"><span class="returnvalue">gboolean</span></a>            g_file_monitor_cancel               (<em class="parameter"><code><a class="link" href="GFileMonitor.html" title="GFileMonitor"><span class="type">GFileMonitor</span></a> *monitor</code></em>);</pre>
177 <p>
178 Cancels a file monitor.
179 </p>
180 <div class="variablelist"><table border="0">
181 <col align="left" valign="top">
182 <tbody>
183 <tr>
184 <td><p><span class="term"><em class="parameter"><code>monitor</code></em> :</span></p></td>
185 <td>a <a class="link" href="GFileMonitor.html" title="GFileMonitor"><span class="type">GFileMonitor</span></a>.</td>
186 </tr>
187 <tr>
188 <td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
189 <td>
190 <a href="./../glib/glib/glib-Standard-Macros.html#TRUE:CAPS"><code class="literal">TRUE</code></a> if monitor was cancelled.</td>
191 </tr>
192 </tbody>
193 </table></div>
194 </div>
195 <hr>
196 <div class="refsect2">
197 <a name="g-file-monitor-is-cancelled"></a><h3>g_file_monitor_is_cancelled ()</h3>
198 <pre class="programlisting"><a href="./../glib/glib/glib-Basic-Types.html#gboolean"><span class="returnvalue">gboolean</span></a>            g_file_monitor_is_cancelled         (<em class="parameter"><code><a class="link" href="GFileMonitor.html" title="GFileMonitor"><span class="type">GFileMonitor</span></a> *monitor</code></em>);</pre>
199 <p>
200 Returns whether the monitor is canceled.
201 </p>
202 <div class="variablelist"><table border="0">
203 <col align="left" valign="top">
204 <tbody>
205 <tr>
206 <td><p><span class="term"><em class="parameter"><code>monitor</code></em> :</span></p></td>
207 <td>a <a class="link" href="GFileMonitor.html" title="GFileMonitor"><span class="type">GFileMonitor</span></a>
208 </td>
209 </tr>
210 <tr>
211 <td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
212 <td>
213 <a href="./../glib/glib/glib-Standard-Macros.html#TRUE:CAPS"><code class="literal">TRUE</code></a> if monitor is canceled. <a href="./../glib/glib/glib-Standard-Macros.html#FALSE:CAPS"><code class="literal">FALSE</code></a> otherwise.</td>
214 </tr>
215 </tbody>
216 </table></div>
217 </div>
218 <hr>
219 <div class="refsect2">
220 <a name="g-file-monitor-set-rate-limit"></a><h3>g_file_monitor_set_rate_limit ()</h3>
221 <pre class="programlisting"><span class="returnvalue">void</span>                g_file_monitor_set_rate_limit       (<em class="parameter"><code><a class="link" href="GFileMonitor.html" title="GFileMonitor"><span class="type">GFileMonitor</span></a> *monitor</code></em>,
222                                                          <em class="parameter"><code><a href="./../glib/glib/glib-Basic-Types.html#gint"><span class="type">gint</span></a> limit_msecs</code></em>);</pre>
223 <p>
224 Sets the rate limit to which the <em class="parameter"><code>monitor</code></em> will report
225 consecutive change events to the same file.
226 </p>
227 <div class="variablelist"><table border="0">
228 <col align="left" valign="top">
229 <tbody>
230 <tr>
231 <td><p><span class="term"><em class="parameter"><code>monitor</code></em> :</span></p></td>
232 <td>a <a class="link" href="GFileMonitor.html" title="GFileMonitor"><span class="type">GFileMonitor</span></a>.</td>
233 </tr>
234 <tr>
235 <td><p><span class="term"><em class="parameter"><code>limit_msecs</code></em> :</span></p></td>
236 <td>a non-negative integer with the limit in milliseconds
237 to poll for changes</td>
238 </tr>
239 </tbody>
240 </table></div>
241 </div>
242 <hr>
243 <div class="refsect2">
244 <a name="g-file-monitor-emit-event"></a><h3>g_file_monitor_emit_event ()</h3>
245 <pre class="programlisting"><span class="returnvalue">void</span>                g_file_monitor_emit_event           (<em class="parameter"><code><a class="link" href="GFileMonitor.html" title="GFileMonitor"><span class="type">GFileMonitor</span></a> *monitor</code></em>,
246                                                          <em class="parameter"><code><a class="link" href="GFile.html" title="GFile"><span class="type">GFile</span></a> *child</code></em>,
247                                                          <em class="parameter"><code><a class="link" href="GFile.html" title="GFile"><span class="type">GFile</span></a> *other_file</code></em>,
248                                                          <em class="parameter"><code><a class="link" href="GFileMonitor.html#GFileMonitorEvent" title="enum GFileMonitorEvent"><span class="type">GFileMonitorEvent</span></a> event_type</code></em>);</pre>
249 <p>
250 Emits the <a class="link" href="GFileMonitor.html#GFileMonitor-changed" title='The "changed" signal'><span class="type">"changed"</span></a> signal if a change
251 has taken place. Should be called from file monitor 
252 implementations only.
253 </p>
254 <p>
255 The signal will be emitted from an idle handler (in the <GTKDOCLINK HREF="g-main-context-push-thread-default">thread-default main
256 context</GTKDOCLINK>).
257 </p>
258 <div class="variablelist"><table border="0">
259 <col align="left" valign="top">
260 <tbody>
261 <tr>
262 <td><p><span class="term"><em class="parameter"><code>monitor</code></em> :</span></p></td>
263 <td>a <a class="link" href="GFileMonitor.html" title="GFileMonitor"><span class="type">GFileMonitor</span></a>.</td>
264 </tr>
265 <tr>
266 <td><p><span class="term"><em class="parameter"><code>child</code></em> :</span></p></td>
267 <td>a <a class="link" href="GFile.html" title="GFile"><span class="type">GFile</span></a>.</td>
268 </tr>
269 <tr>
270 <td><p><span class="term"><em class="parameter"><code>other_file</code></em> :</span></p></td>
271 <td>a <a class="link" href="GFile.html" title="GFile"><span class="type">GFile</span></a>.</td>
272 </tr>
273 <tr>
274 <td><p><span class="term"><em class="parameter"><code>event_type</code></em> :</span></p></td>
275 <td>a set of <a class="link" href="GFileMonitor.html#GFileMonitorEvent" title="enum GFileMonitorEvent"><span class="type">GFileMonitorEvent</span></a> flags.</td>
276 </tr>
277 </tbody>
278 </table></div>
279 </div>
280 </div>
281 <div class="refsect1">
282 <a name="GFileMonitor.property-details"></a><h2>Property Details</h2>
283 <div class="refsect2">
284 <a name="GFileMonitor--cancelled"></a><h3>The <code class="literal">"cancelled"</code> property</h3>
285 <pre class="programlisting">  "cancelled"                <a href="./../glib/glib/glib-Basic-Types.html#gboolean"><span class="type">gboolean</span></a>              : Read</pre>
286 <p>Whether the monitor has been cancelled.</p>
287 <p>Default value: FALSE</p>
288 </div>
289 <hr>
290 <div class="refsect2">
291 <a name="GFileMonitor--rate-limit"></a><h3>The <code class="literal">"rate-limit"</code> property</h3>
292 <pre class="programlisting">  "rate-limit"               <a href="./../glib/glib/glib-Basic-Types.html#gint"><span class="type">gint</span></a>                  : Read / Write</pre>
293 <p>The limit of the monitor to watch for changes, in milliseconds.</p>
294 <p>Allowed values: &gt;= 0</p>
295 <p>Default value: 800</p>
296 </div>
297 </div>
298 <div class="refsect1">
299 <a name="GFileMonitor.signal-details"></a><h2>Signal Details</h2>
300 <div class="refsect2">
301 <a name="GFileMonitor-changed"></a><h3>The <code class="literal">"changed"</code> signal</h3>
302 <pre class="programlisting"><span class="returnvalue">void</span>                user_function                      (<a class="link" href="GFileMonitor.html" title="GFileMonitor"><span class="type">GFileMonitor</span></a>     *monitor,
303                                                         <a class="link" href="GFile.html" title="GFile"><span class="type">GFile</span></a>            *file,
304                                                         <a class="link" href="GFile.html" title="GFile"><span class="type">GFile</span></a>            *other_file,
305                                                         <a class="link" href="GFileMonitor.html#GFileMonitorEvent" title="enum GFileMonitorEvent"><span class="type">GFileMonitorEvent</span></a> event_type,
306                                                         <a href="./../glib/glib/glib-Basic-Types.html#gpointer"><span class="type">gpointer</span></a>          user_data)       : <a href="./../gobject/gobject/gobject-Signals.html#G-SIGNAL-RUN-LAST:CAPS"><code class="literal">Run Last</code></a></pre>
307 <p>
308 Emitted when <em class="parameter"><code>file</code></em> has been changed.
309 </p>
310 <p>
311 If using <a class="link" href="GFile.html#G-FILE-MONITOR-SEND-MOVED:CAPS"><span class="type">G_FILE_MONITOR_SEND_MOVED</span></a> flag and <em class="parameter"><code>event_type</code></em> is
312 <a class="link" href="GFileMonitor.html#G-FILE-MONITOR-EVENT-MOVED:CAPS"><span class="type">G_FILE_MONITOR_EVENT_MOVED</span></a>, <em class="parameter"><code>file</code></em> will be set to a <a class="link" href="GFile.html" title="GFile"><span class="type">GFile</span></a> containing the
313 old path, and <em class="parameter"><code>other_file</code></em> will be set to a <a class="link" href="GFile.html" title="GFile"><span class="type">GFile</span></a> containing the new path.
314 </p>
315 <p>
316 In all the other cases, <em class="parameter"><code>other_file</code></em> will be set to <a href="./../glib/glib/glib-Standard-Macros.html#NULL:CAPS"><span class="type">NULL</span></a>.
317 </p>
318 <div class="variablelist"><table border="0">
319 <col align="left" valign="top">
320 <tbody>
321 <tr>
322 <td><p><span class="term"><em class="parameter"><code>monitor</code></em> :</span></p></td>
323 <td>a <a class="link" href="GFileMonitor.html" title="GFileMonitor"><span class="type">GFileMonitor</span></a>.</td>
324 </tr>
325 <tr>
326 <td><p><span class="term"><em class="parameter"><code>file</code></em> :</span></p></td>
327 <td>a <a class="link" href="GFile.html" title="GFile"><span class="type">GFile</span></a>.</td>
328 </tr>
329 <tr>
330 <td><p><span class="term"><em class="parameter"><code>other_file</code></em> :</span></p></td>
331 <td>a <a class="link" href="GFile.html" title="GFile"><span class="type">GFile</span></a> or <a href="./../glib/glib/glib-Standard-Macros.html#NULL:CAPS"><span class="type">NULL</span></a>. <span class="annotation">[<acronym title="NULL is ok, both for passing and for returning."><span class="acronym">allow-none</span></acronym>]</span>
332 </td>
333 </tr>
334 <tr>
335 <td><p><span class="term"><em class="parameter"><code>event_type</code></em> :</span></p></td>
336 <td>a <a class="link" href="GFileMonitor.html#GFileMonitorEvent" title="enum GFileMonitorEvent"><span class="type">GFileMonitorEvent</span></a>.</td>
337 </tr>
338 <tr>
339 <td><p><span class="term"><em class="parameter"><code>user_data</code></em> :</span></p></td>
340 <td>user data set when the signal handler was connected.</td>
341 </tr>
342 </tbody>
343 </table></div>
344 </div>
345 </div>
346 </div>
347 <div class="footer">
348 <hr>
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