sxhkd-rc

commit 3097d0698dfb729f66590d39cdd8a877818099da
parent aa0f5c22797d3e60d3f016c794aabbb840bad40a
Author: Bastien Dejean <nihilhill@gmail.com>
Date:   Fri, 27 Dec 2013 11:19:55 +0100

Add an option to specify the motion events maximum frequency

Diffstat:
M
doc/sxhkd.1
 | 
9
+++++++--
M
doc/sxhkd.1.txt
 | 
3
+++
M
sxhkd.c
 | 
15
++++++++++++++-
M
sxhkd.h
 | 
2
++

4 files changed, 26 insertions(+), 3 deletions(-)
diff --git a/doc/sxhkd.1 b/doc/sxhkd.1
@@ -2,12 +2,12 @@
 .\"     Title: sxhkd
 .\"    Author: [see the "Author" section]
 .\" Generator: DocBook XSL Stylesheets v1.78.1 <http://docbook.sf.net/>
-.\"      Date: 12/05/2013
+.\"      Date: 12/27/2013
 .\"    Manual: Sxhkd Manual
 .\"    Source: Sxhkd 0.5.3
 .\"  Language: English
 .\"
-.TH "SXHKD" "1" "12/05/2013" "Sxhkd 0\&.5\&.3" "Sxhkd Manual"
+.TH "SXHKD" "1" "12/27/2013" "Sxhkd 0\&.5\&.3" "Sxhkd Manual"
 .\" -----------------------------------------------------------------
 .\" * Define some portability stuff
 .\" -----------------------------------------------------------------
@@ -71,6 +71,11 @@ Redirect the commands output to the given file\&.
 .RS 4
 Output status information to the given FIFO\&.
 .RE
+.PP
+\fB\-f\fR \fIFREQUENCY\fR
+.RS 4
+Set the maximum frequency for motion events\&.
+.RE
 .SH "CONFIGURATION"
 .sp
 Each line of the configuration file is interpreted as so:
diff --git a/doc/sxhkd.1.txt b/doc/sxhkd.1.txt
@@ -45,6 +45,9 @@ Options
 *-s* _STATUS_FIFO_::
     Output status information to the given FIFO.
 
+*-f* _FREQUENCY_::
+    Set the maximum frequency for motion events.
+
 Configuration
 -------------
 
diff --git a/sxhkd.c b/sxhkd.c
@@ -44,8 +44,11 @@ int main(int argc, char *argv[])
     config_path = NULL;
     ignore_mapping = false;
     timeout = TIMEOUT;
+    unsigned int max_freq = 0;
+    motion_interval = 0;
+    last_motion_time = 0;
 
-    while ((opt = getopt(argc, argv, "vhnt:c:r:s:")) != (char)-1) {
+    while ((opt = getopt(argc, argv, "vhnt:c:r:s:f:")) != (char)-1) {
         switch (opt) {
             case 'v':
                 printf("%s\n", VERSION);
@@ -72,6 +75,10 @@ int main(int argc, char *argv[])
             case 's':
                 fifo_path = optarg;
                 break;
+            case 'f':
+                if (sscanf(optarg, "%u", &max_freq) != 1)
+                    warn("Can't parse maximum pointer frequency.\n");
+                break;
         }
     }
 
@@ -96,6 +103,9 @@ int main(int argc, char *argv[])
             warn("Couldn't open status fifo.\n");
     }
 
+    if (max_freq != 0)
+        motion_interval = 1000.0 / max_freq;
+
     signal(SIGINT, hold);
     signal(SIGHUP, hold);
     signal(SIGTERM, hold);
@@ -221,6 +231,9 @@ void motion_notify(xcb_generic_event_t *evt, uint8_t event_type)
 {
     xcb_motion_notify_event_t *e = (xcb_motion_notify_event_t *) evt;
     /* PRINTF("motion notify %X %X %u\n", e->child, e->detail, e->state); */
+    if (motion_interval > 0 && (e->time - last_motion_time) < motion_interval)
+        return;
+    last_motion_time = e->time;
     uint16_t lockfield = num_lock | caps_lock | scroll_lock;
     uint16_t buttonfield = e->state >> 8;
     uint16_t modfield = e->state & ~lockfield & MOD_STATE_FIELD;
diff --git a/sxhkd.h b/sxhkd.h
@@ -54,6 +54,8 @@ FILE *status_fifo;
 char progress[3 * MAXLEN];
 bool ignore_mapping;
 int timeout;
+double motion_interval;
+xcb_timestamp_t last_motion_time;
 
 hotkey_t *hotkeys_head, *hotkeys_tail;
 bool running, reload, bell, chained, locked;