wine-staging/patches/user32-rawinput/0009-winex11.drv-Don-t-react-to-small-slow-mouse-movement.patch
2019-09-20 08:59:46 +10:00

121 lines
4.3 KiB
Diff

From c2c9aa68949b930f329c9d9a21327ea509e0dd66 Mon Sep 17 00:00:00 2001
From: Jordan Galby <gravemind2a+wine@gmail.com>
Date: Tue, 16 Jul 2019 00:34:38 -0400
Subject: [PATCH 09/10] winex11.drv: Don't react to small slow mouse movements.
Wine-Bug: https://bugs.winehq.org/show_bug.cgi?id=42631
From: Jordan Galby <gravemind2a+wine@gmail.com>
Signed-off-by: Derek Lesho <dereklesho52@Gmail.com>
---
dlls/winex11.drv/mouse.c | 51 +++++++++++++++++++++++++++++++--------
dlls/winex11.drv/x11drv.h | 1 +
2 files changed, 42 insertions(+), 10 deletions(-)
diff --git a/dlls/winex11.drv/mouse.c b/dlls/winex11.drv/mouse.c
index 6e09bebfdb8..ecab4530457 100644
--- a/dlls/winex11.drv/mouse.c
+++ b/dlls/winex11.drv/mouse.c
@@ -264,6 +264,10 @@ static void update_relative_valuators(XIAnyClassInfo **valuators, int n_valuator
thread_data->y_rel_valuator.number = -1;
thread_data->wheel_valuator.number = -1;
+ thread_data->x_rel_valuator.accum = 0;
+ thread_data->y_rel_valuator.accum = 0;
+ thread_data->wheel_valuator.accum = 0;
+
for (i = 0; i < n_valuators; i++)
{
XIValuatorClassInfo *class = (XIValuatorClassInfo *)valuators[i];
@@ -1924,18 +1928,18 @@ static BOOL X11DRV_RawMotion( XGenericEventCookie *xev )
raw_val = *raw_values++;
if (i == x_rel->number)
{
- input.u.mi.dx = dx = val;
+ dx = val;
if (x_rel->min < x_rel->max)
- input.u.mi.dx = val * (virtual_rect.right - virtual_rect.left)
+ dx = val * (virtual_rect.right - virtual_rect.left)
/ (x_rel->max - x_rel->min);
raw_input.data.mouse.lLastX = raw_dx = raw_val;
}
if (i == y_rel->number)
{
- input.u.mi.dy = dy = val;
+ dy = val;
if (y_rel->min < y_rel->max)
- input.u.mi.dy = val * (virtual_rect.bottom - virtual_rect.top)
+ dy = val * (virtual_rect.bottom - virtual_rect.top)
/ (y_rel->max - y_rel->min);
raw_input.data.mouse.lLastY = raw_dy = raw_val;
@@ -1951,20 +1955,47 @@ static BOOL X11DRV_RawMotion( XGenericEventCookie *xev )
if (broken_rawevents && is_old_motion_event( xev->serial ))
{
- TRACE( "pos %d,%d old serial %lu, ignoring\n", input.u.mi.dx, input.u.mi.dy, xev->serial );
+ TRACE( "pos %d,%d old serial %lu, ignoring\n", (LONG) dx, (LONG) dy, xev->serial );
return FALSE;
}
- if (thread_data->xi2_state == xi_extra)
+ /* Accumulate the fractional parts so they aren't lost after casting
+ * successive motion values to integral fields.
+ *
+ * Note: It looks like raw_dx and raw_dy are already integral values
+ * but that may be wrong.
+ */
+
+ x_rel->accum += dx;
+ y_rel->accum += dy;
+ if (fabs(x_rel->accum) < 1.0 && fabs(y_rel->accum) < 1.0)
+ {
+ TRACE( "accumulating raw motion (event %f,%f, accum %f,%f)\n", dx, dy, x_rel->accum, y_rel->accum );
+ }
+ else
{
- TRACE( "pos %d,%d (event %f,%f)\n", input.u.mi.dx, input.u.mi.dy, dx, dy );
- __wine_send_input( 0, &input );
+ input.u.mi.dx = x_rel->accum;
+ input.u.mi.dy = y_rel->accum;
+ x_rel->accum -= input.u.mi.dx;
+ y_rel->accum -= input.u.mi.dy;
+
+ if (thread_data->xi2_state == xi_extra)
+ {
+ TRACE( "pos %d,%d (event %f,%f)\n", input.u.mi.dx, input.u.mi.dy, dx, dy );
+ __wine_send_input( 0, &input );
+ }
}
- if (raw_dwheel)
+ wheel->accum += raw_dwheel;
+ if (fabs(wheel->accum) < 1.0)
+ {
+ TRACE("accumulating wheel motion (event %f, accum %f)\n", raw_dwheel, wheel->accum);
+ }
+ else
{
raw_input.data.mouse.u.usButtonFlags = RI_MOUSE_WHEEL;
- raw_input.data.mouse.u.usButtonData = raw_dwheel;
+ raw_input.data.mouse.u.usButtonData = wheel->accum;
+ wheel->accum -= raw_dwheel;
}
TRACE("raw event %f,%f + %f\n", raw_dx, raw_dy, raw_dwheel);
diff --git a/dlls/winex11.drv/x11drv.h b/dlls/winex11.drv/x11drv.h
index 7a9b2c8b909..b47019d299e 100644
--- a/dlls/winex11.drv/x11drv.h
+++ b/dlls/winex11.drv/x11drv.h
@@ -321,6 +321,7 @@ struct x11drv_valuator_data
double min;
double max;
int number;
+ double accum;
};
struct x11drv_thread_data
--
2.17.1