--=_courier-8603-1052480816-0001-2
Content-Type: text/plain; charset=us-ascii; format=flowed
Content-Transfer-Encoding: 7bit
Khalid Aziz wrote:
> [...] impossible to perform any operation that requires
> pressing a key on the keyboard while clicking a mouse button - for
> example bringing up X-terminal menu with CTRL-<middle button>. I am sure
> there are other similar combination used by other software. You would
> think 1 second after the CTRL key is pressed (which is when a keyboard
> event is generated), mouse will be re-enabled and you should be able to
> click mouse buttons as long as you do not let go of the key. Does not
> seem to work that way. Mouse stays disabled as long as the key is
> pressed.
>
Thanks a lot Khalid! I have fixed that now.
Now, when you first press a key the trackpad is disabled. But the
"timer" is not restarted now when you hold the key pressed down
(prev_scancode == actual_scancode).
--=_courier-8603-1052480816-0001-2
Content-Type: text/plain; name="trackpad-2.4.20.diff"; charset=iso-8859-1
Content-Transfer-Encoding: 7bit
Content-Disposition: inline;
filename="trackpad-2.4.20.diff"
--- /usr/src/linux-2.4.20/Documentation/Configure.help Fri Nov 29 00:53:08 2002
+++ /usr/src/linux/Documentation/Configure.help Thu May 1 02:12:04 2003
@@ -17752,6 +17752,16 @@
<ftp://gnu.systemy.it/pub/gpm/>) solves this problem, or you can get
the "mconv2" utility from <ftp://ibiblio.org/pub/Linux/system/mouse/>.
+Disable trackpad while typing
+CONFIG_DISABLE_TRACKPAD_WHILE_TYPING
+ For people with a notebook that have a build in trackpad.
+
+ It prevents unintended mouse moves and mouse taps while typing on
+ the notebook keyboard.
+
+ The majority of notebooks on the market have a PS/2 trackpad.
+ So you will probably say "Y" if you have a notebook with a trackpad.
+
C&T 82C710 mouse port support (as on TI Travelmate)
CONFIG_82C710_MOUSE
This is a certain kind of PS/2 mouse used on the TI Travelmate. If
--- /usr/src/linux-2.4.20/drivers/char/Config.in Fri Nov 29 00:53:12 2002
+++ /usr/src/linux/drivers/char/Config.in Thu May 1 02:30:45 2003
@@ -170,6 +170,13 @@
tristate 'Mouse Support (not serial and bus mice)' CONFIG_MOUSE
if [ "$CONFIG_MOUSE" != "n" ]; then
bool ' PS/2 mouse (aka "auxiliary device") support' CONFIG_PSMOUSE
+
+ if [ "$CONFIG_PSMOUSE" = "y" ]
+ then
+ bool ' Disable Trackpad while typing on Notebooks' CONFIG_DISABLE_TRACKPAD_WHILE_TYPING
+ fi
+
+
tristate ' C&T 82C710 mouse port support (as on TI Travelmate)' CONFIG_82C710_MOUSE
tristate ' PC110 digitizer pad support' CONFIG_PC110_PAD
tristate ' MK712 touch screen support' CONFIG_MK712_MOUSE
--- /usr/src/linux-2.4.20/drivers/char/pc_keyb.c Fri Nov 29 00:53:12 2002
+++ /usr/src/linux/drivers/char/pc_keyb.c Fri May 9 15:17:45 2003
@@ -13,6 +13,11 @@
* Code fixes to handle mouse ACKs properly.
* C. Scott Ananian <cananian@alumni.princeton.edu> 1999-01-29.
*
+ * Implemented the "disable trackpad while typing" feature. This prevents
+ * unintended mouse moves and mouse taps while typing on the keyboard on
+ * notebooks with a PS/2 trackpad.
+ * Hans-Georg Thien <1682-600@onlinehome.de> 2003-04-30.
+ *
*/
#include <linux/config.h>
@@ -67,6 +72,11 @@
static void aux_write_ack(int val);
static void __aux_write_ack(int val);
static int aux_reconnect = 0;
+
+#ifdef CONFIG_DISABLE_TRACKPAD_WHILE_TYPING
+static int last_kbd_event = 0; /* used to hold timestamp of last kbd event */
+#endif
+
#endif
#ifndef kbd_controller_present
@@ -449,6 +459,11 @@
return;
}
+#ifdef CONFIG_DISABLE_TRACKPAD_WHILE_TYPING
+ /* do nothing if time since last kbd event is less then 1Sec */
+ if ( abs(jiffies - last_kbd_event) < HZ ) return;
+#endif
+
prev_code = scancode;
add_mouse_randomness(scancode);
if (aux_count) {
@@ -469,6 +484,17 @@
static inline void handle_keyboard_event(unsigned char scancode)
{
+
+#ifdef CONFIG_DISABLE_TRACKPAD_WHILE_TYPING
+ static unsigned char prev_scancode=0;
+
+ if (scancode != prev_scancode)
+ {
+ last_kbd_event = jiffies;
+ prev_scancode=scancode;
+ }
+#endif
+
#ifdef CONFIG_VT
kbd_exists = 1;
if (do_acknowledge(scancode))
--=_courier-8603-1052480816-0001-2--