isa/mutter
1
0
Fork 0
mirror of https://github.com/brl/mutter.git synced 2024-11-24 09:00:42 -05:00
Code Issues Packages Projects Releases Wiki Activity

backends/x11: Account for non-zero device origin when setting tablet area

Browse Source 
Wacom's display tablets typically do not have (0,0) coincident with the top
left corner of the screen. This "outbound" area must be taken into account
when setting the area or else an unexpected offset of the pointer will
occur.

https://bugzilla.gnome.org/show_bug.cgi?id=784009
This commit is contained in:
Jason Gerecke 2017-06-20 15:36:34 -07:00 committed by Carlos Garnacho
parent aa45fa1e26
commit c02638e614
1 changed files with 22 additions and 12 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

30
src/backends/x11/meta-input-settings-x11.c
View File

@ -555,6 +555,8 @@ meta_input_settings_x11_set_tablet_mapping (MetaInputSettings *settings,
static gboolean static gboolean
device_query_area (ClutterInputDevice *device, device_query_area (ClutterInputDevice *device,
gint *x,
gint *y,
gint *width, gint *width,
gint *height) gint *height)
{ {
@ -580,10 +582,16 @@ device_query_area (ClutterInputDevice *device,
if (valuator->type != XIValuatorClass) if (valuator->type != XIValuatorClass)
continue; continue;
if (valuator->label == abs_x) if (valuator->label == abs_x)
{
*x = valuator->min;
*width = valuator->max - valuator->min; *width = valuator->max - valuator->min;
}
else if (valuator->label == abs_y) else if (valuator->label == abs_y)
{
*y = valuator->min;
*height = valuator->max - valuator->min; *height = valuator->max - valuator->min;
} }
}
XIFreeDeviceInfo (info); XIFreeDeviceInfo (info);
return TRUE; return TRUE;
@ -606,15 +614,15 @@ meta_input_settings_x11_set_tablet_area (MetaInputSettings *settings,
gdouble padding_top, gdouble padding_top,
gdouble padding_bottom) gdouble padding_bottom)
{ {
gint32 width, height, area[4] = { 0 }; gint32 x, y, width, height, area[4] = { 0 };
if (!device_query_area (device, &width, &height)) if (!device_query_area (device, &x, &y, &width, &height))
return; return;
area[0] = width * padding_left; area[0] = (width * padding_left) + x;
area[1] = height * padding_top; area[1] = (height * padding_top) + y;
area[2] = width - (width * padding_right); area[2] = width - (width * padding_right) + x;
area[3] = height - (height * padding_bottom); area[3] = height - (height * padding_bottom) + y;
update_tablet_area (settings, device, area); update_tablet_area (settings, device, area);
} }
@ -624,9 +632,9 @@ meta_input_settings_x11_set_tablet_keep_aspect (MetaInputSettings *settings,
MetaLogicalMonitor *logical_monitor, MetaLogicalMonitor *logical_monitor,
gboolean keep_aspect) gboolean keep_aspect)
{ {
gint32 width, height, dev_width, dev_height, area[4] = { 0 }; gint32 width, height, dev_x, dev_y, dev_width, dev_height, area[4] = { 0 };
if (!device_query_area (device, &dev_width, &dev_height)) if (!device_query_area (device, &dev_x, &dev_y, &dev_width, &dev_height))
return; return;
if (keep_aspect) if (keep_aspect)
@ -658,8 +666,10 @@ meta_input_settings_x11_set_tablet_keep_aspect (MetaInputSettings *settings,
dev_height = dev_width / aspect_ratio; dev_height = dev_width / aspect_ratio;
} }
area[2] = dev_width; area[0] = dev_x;
area[3] = dev_height; area[1] = dev_y;
area[2] = dev_width + dev_x;
area[3] = dev_height + dev_y;
update_tablet_area (settings, device, area); update_tablet_area (settings, device, area);
} }