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wayland: Add support for BTN_STYLUS3

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BTN_STYLUS3 is defined by the Linux 4.15 kernel and is sent when the
third button on a stylus is pressed. At the moment, only Wacom's "Pro
Pen 3D" has three stylus buttons. Pressing this button triggers a button
8 event to be sent under X11, so we use the same mapping here.

https://bugzilla.gnome.org/show_bug.cgi?id=790033
This commit is contained in:
Jason Gerecke 2017-10-10 09:17:43 -07:00 committed by Carlos Garnacho
parent cb5c739f93
commit 6fd6ff2ea1
1 changed files with 6 additions and 0 deletions
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6
gdk/wayland/gdkdevice-wayland.c
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@ -49,6 +49,10 @@
#define BUTTON_BASE (BTN_LEFT - 1) /* Used to translate to 1-indexed buttons */
#ifndef BTN_STYLUS3
#define BTN_STYLUS3 0x149 /* Linux 4.15 */
#endif
typedef struct _GdkWaylandDevicePad GdkWaylandDevicePad;
typedef struct _GdkWaylandDevicePadClass GdkWaylandDevicePadClass;
@ -3611,6 +3615,8 @@ tablet_tool_handle_button (void *data,
n_button = GDK_BUTTON_SECONDARY;
else if (button == BTN_STYLUS2)
n_button = GDK_BUTTON_MIDDLE;
else if (button == BTN_STYLUS3)
n_button = 8; /* Back */
else
return;