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Add secondary (top) software buttons area

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New generation of laptops with trackstick do not have physical buttons
associated with the trackstick, but instead rely on software buttons at
the top of the clickpad.
Adding a secondary software button area for this purpose.
As we're likely detecting the devices that need it based on udev tags
and MatchTag configuration items, this area doesn't need to be exposed
through properties. So static configuration is fine.

Signed-off-by: Benjamin Tissoires <benjamin.tissoires@redhat.com>
Reviewed-by: Peter Hutterer <peter.hutterer@who-t.net>

[couple of man-page additions and rewrites]

Signed-off-by: Peter Hutterer <peter.hutterer@who-t.net>
(cherry picked from commit 402cc87257)
This commit is contained in:
Benjamin Tissoires
2014-02-20 13:13:18 -05:00
committed by Peter Hutterer
parent 75b6fd13cf
commit 13fc982c67
3 changed files with 59 additions and 8 deletions
Download Patch File Download Diff File Expand all files Collapse all files

18
man/synaptics.man
View File

@@ -489,6 +489,18 @@ soft button areas. Button areas may not overlap, however it is permitted for two
buttons to share an edge value.
Property: "Synaptics Soft Button Areas"
.
.TP
.BI "Option \*qSecondarySoftButtonAreas\*q \*q" "RBL RBR RBT RBB MBL MBR MBT MBB" \*q
This option is only available on ClickPad devices.
Enable secondary soft button click area support on ClickPad devices (usually on
top of the device).
For the allowed values for this option, see
.B Option \*qSoftButtonAreas\*q.
Primary and secondary soft button areas must not overlap each other. If they do,
the behavior of the driver is undefined.
No property associated, this option must be set in the
__xconfigfile__(__filemansuffix__).
.
.SH CONFIGURATION DETAILS
.SS Area handling
@@ -708,6 +720,12 @@ ClickPads provide software emulated buttons through
These buttons enable areas on the touchpad to perform as right or middle
mouse button. When the user performs a click within a defined soft button
area, a right or middle click is performed.
.LP
Some laptops, most notably the Lenovo T440, T540 and x240 series, provide a
pointing stick without physical buttons. On those laptops, the top of the
touchpad acts as software-emulated button area. This area can be configured
with
.B Option SecondarySoftButtonAreas.
.SH "DEVICE PROPERTIES"
Synaptics 1.0 and higher support input device properties if the driver is

47
src/synaptics.c
View File

@@ -452,7 +452,7 @@ SynapticsIsSoftButtonAreasValid(int *values)
}
static void
set_softbutton_areas_option(InputInfoPtr pInfo)
set_softbutton_areas_option(InputInfoPtr pInfo, char *option_name, int offset)
{
SynapticsPrivate *priv = pInfo->private;
SynapticsParameters *pars = &priv->synpara;
@@ -467,7 +467,7 @@ set_softbutton_areas_option(InputInfoPtr pInfo)
if (!pars->clickpad)
return;
option_string = xf86SetStrOption(pInfo->options, "SoftButtonAreas", NULL);
option_string = xf86SetStrOption(pInfo->options, option_name, NULL);
if (!option_string)
return;
@@ -512,8 +512,8 @@ set_softbutton_areas_option(InputInfoPtr pInfo)
if (!SynapticsIsSoftButtonAreasValid(values))
goto fail;
memcpy(pars->softbutton_areas[0], values, 4 * sizeof(int));
memcpy(pars->softbutton_areas[1], values + 4, 4 * sizeof(int));
memcpy(pars->softbutton_areas[offset], values, 4 * sizeof(int));
memcpy(pars->softbutton_areas[offset + 1], values + 4, 4 * sizeof(int));
free(option_string);
@@ -521,11 +521,23 @@ set_softbutton_areas_option(InputInfoPtr pInfo)
fail:
xf86IDrvMsg(pInfo, X_ERROR,
"invalid SoftButtonAreas value '%s', keeping defaults\n",
option_string);
"invalid %s value '%s', keeping defaults\n",
option_name, option_string);
free(option_string);
}
static void
set_primary_softbutton_areas_option(InputInfoPtr pInfo)
{
set_softbutton_areas_option(pInfo, "SoftButtonAreas", 0);
}
static void
set_secondary_softbutton_areas_option(InputInfoPtr pInfo)
{
set_softbutton_areas_option(pInfo, "SecondarySoftButtonAreas", 2);
}
static void
set_default_parameters(InputInfoPtr pInfo)
{
@@ -739,7 +751,8 @@ set_default_parameters(InputInfoPtr pInfo)
"TopEdge is bigger than BottomEdge. Fixing.\n");
}
set_softbutton_areas_option(pInfo);
set_primary_softbutton_areas_option(pInfo);
set_secondary_softbutton_areas_option(pInfo);
}
static double
@@ -1503,6 +1516,18 @@ is_inside_middlebutton_area(SynapticsParameters * para, int x, int y)
return is_inside_button_area(para, 1, x, y);
}
static Bool
is_inside_sec_rightbutton_area(SynapticsParameters * para, int x, int y)
{
return is_inside_button_area(para, 2, x, y);
}
static Bool
is_inside_sec_middlebutton_area(SynapticsParameters * para, int x, int y)
{
return is_inside_button_area(para, 3, x, y);
}
static CARD32
timerFunc(OsTimerPtr timer, CARD32 now, pointer arg)
{
@@ -2705,10 +2730,18 @@ update_hw_button_state(const InputInfoPtr pInfo, struct SynapticsHwState *hw,
hw->left = 0;
hw->right = 1;
}
else if (is_inside_sec_rightbutton_area(para, hw->x, hw->y)) {
hw->left = 0;
hw->right = 1;
}
else if (is_inside_middlebutton_area(para, hw->x, hw->y)) {
hw->left = 0;
hw->middle = 1;
}
else if (is_inside_sec_middlebutton_area(para, hw->x, hw->y)) {
hw->left = 0;
hw->middle = 1;
}
}
else if (hw->left) {
hw->left = old->left;

2
src/synapticsstr.h
View File

@@ -205,7 +205,7 @@ typedef struct _SynapticsParameters {
unsigned int resolution_horiz; /* horizontal resolution of touchpad in units/mm */
unsigned int resolution_vert; /* vertical resolution of touchpad in units/mm */
int area_left_edge, area_right_edge, area_top_edge, area_bottom_edge; /* area coordinates absolute */
int softbutton_areas[2][4]; /* soft button area coordinates, 0 => right, 1 => middle button */
int softbutton_areas[4][4]; /* soft button area coordinates, 0 => right, 1 => middle , 2 => secondary right, 3 => secondary middle button */
int hyst_x, hyst_y; /* x and y width of hysteresis box */
} SynapticsParameters;