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[client] input: forward extended mouse buttons

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Map the remaining Linux mouse buttons through Wayland and evdev.

Use one X11 translation for cooked and raw press and release events.

Ignore unsupported horizontal scrolling and extended SPICE buttons.
This commit is contained in:
Geoffrey McRae
2026-08-09 02:50:02 +10:00
parent efa1b1bbee
commit 48f0b66a4f
5 changed files with 57 additions and 24 deletions
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44
client/displayservers/X11/x11.c
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@@ -1196,6 +1196,18 @@ static void x11UpdateKeyboardGroup(void)
atomic_store(&x11.keyboardGroup, state.group);
}
static int x11MapButton(unsigned int button)
{
if (button >= 1 && button <= 5)
return button;
/* X11 reserves buttons 6 and 7 for horizontal scrolling. */
if (button >= 8 && button < 34)
return button - 2;
return 0;
}
static void setFocus(bool focused, double x, double y)
{
if (x11.focused == focused)
@@ -1226,7 +1238,7 @@ static bool x11GetKeyLabel(int sc, char * label, size_t size)
static void x11XInputEvent(XGenericEventCookie *cookie)
{
static int button_state = 0;
static uint32_t button_state = 0;
switch(cookie->evtype)
{
@@ -1455,13 +1467,13 @@ static void x11XInputEvent(XGenericEventCookie *cookie)
return;
XIDeviceEvent *device = cookie->data;
if (device->detail == 4)
const int button = x11MapButton(device->detail);
if (button == 4)
app_handleWheelMotion(-0.5);
else if (device->detail == 5)
else if (button == 5)
app_handleWheelMotion(0.5);
else
app_handleButtonPress(
device->detail > 5 ? device->detail - 2 : device->detail);
else if (button)
app_handleButtonPress(button);
return;
}
@@ -1472,7 +1484,9 @@ static void x11XInputEvent(XGenericEventCookie *cookie)
return;
XIDeviceEvent *device = cookie->data;
app_handleButtonRelease(device->detail);
const int button = x11MapButton(device->detail);
if (button && button != 4 && button != 5)
app_handleButtonRelease(button);
return;
}
@@ -1482,6 +1496,9 @@ static void x11XInputEvent(XGenericEventCookie *cookie)
return;
XIRawEvent *raw = cookie->data;
const int button = x11MapButton(raw->detail);
if (!button)
return;
/* filter out duplicate events */
static Time prev_time = 0;
@@ -1491,10 +1508,9 @@ static void x11XInputEvent(XGenericEventCookie *cookie)
prev_time = raw->time;
prev_detail = raw->detail;
button_state |= (1 << raw->detail);
button_state |= UINT32_C(1) << button;
app_handleButtonPress(
raw->detail > 5 ? raw->detail - 2 : raw->detail);
app_handleButtonPress(button);
return;
}
@@ -1504,6 +1520,9 @@ static void x11XInputEvent(XGenericEventCookie *cookie)
return;
XIRawEvent *raw = cookie->data;
const int button = x11MapButton(raw->detail);
if (!button)
return;
/* filter out duplicate events */
static Time prev_time = 0;
@@ -1513,10 +1532,9 @@ static void x11XInputEvent(XGenericEventCookie *cookie)
prev_time = raw->time;
prev_detail = raw->detail;
button_state &= ~(1 << raw->detail);
button_state &= ~(UINT32_C(1) << button);
app_handleButtonRelease(
raw->detail > 5 ? raw->detail - 2 : raw->detail);
app_handleButtonRelease(button);
return;
}