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mouse: Enable 2-finger scrolling through emulation

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Also enable 2-finger scrolling if the device supports reporting
finger-width, not only when it supports actual 2-finger scrolling.

https://bugzilla.gnome.org/show_bug.cgi?id=625163
This commit is contained in:
Chris Bagwell 2010-11-01 11:28:22 +00:00 • committed by Bastien Nocera
parent 821ed8f870
commit 109b369199
1 changed files with 5 additions and 3 deletions
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8
panels/mouse/gnome-mouse-properties.c
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@ -227,14 +227,16 @@ synaptics_check_capabilities (GtkBuilder *dialog)
if ((XGetDeviceProperty (GDK_DISPLAY_XDISPLAY (gdk_display_get_default ()), device, prop, 0, 2, False,
XA_INTEGER, &realtype, &realformat, &nitems,
&bytes_after, &data) == Success) && (realtype != None)) {
/* Property data is booleans for has_left, has_middle,
* has_right, has_double, has_triple */
/* Property data is booleans for has_left, has_middle, has_right, has_double, has_triple.
* Newer drivers (X.org/kerrnel) will also include has_pressure and has_width. */
if (!data[0]) {
gtk_toggle_button_set_active (GTK_TOGGLE_BUTTON (WID ("tap_to_click_toggle")), TRUE);
gtk_widget_set_sensitive (WID ("tap_to_click_toggle"), FALSE);
}
if (!data[3])
/* Disable two finger scrolling unless the hardware supports
* double touch or can emulate it based on finger width. */
if (!(data[3] ||(nitems >= 6 && data[5])))
gtk_widget_set_sensitive (WID ("scroll_twofinger_radio"), FALSE);
XFree (data);