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GdkWin32: Support high resolution scroll wheel events

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This commit is contained in:
Ricardo Maia Louro 2022-08-14 18:27:03 +01:00
parent f1e81d176c
commit 6ceacee0f9
1 changed files with 19 additions and 9 deletions
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28
gdk/win32/gdkevents-win32.c
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@ -2669,6 +2669,7 @@ gdk_event_translate (MSG *msg,
{
int16_t scroll_x = 0;
int16_t scroll_y = 0;
GdkScrollDirection direction;
char classname[64];
@ -2720,15 +2721,24 @@ gdk_event_translate (MSG *msg,
_gdk_device_virtual_set_active (_gdk_device_manager->core_pointer,
_gdk_device_manager->system_pointer);
event = gdk_scroll_event_new (window,
device_manager_win32->core_pointer,
NULL,
_gdk_win32_get_next_tick (msg->time),
build_pointer_event_state (msg),
(double) scroll_x / (double) WHEEL_DELTA,
(double) -scroll_y / (double) WHEEL_DELTA,
FALSE,
GDK_SCROLL_UNIT_WHEEL);
direction = 0;
if (msg->message == WM_MOUSEWHEEL)
direction = (((short) HIWORD (msg->wParam)) > 0)
? GDK_SCROLL_UP
: GDK_SCROLL_DOWN;
else if (msg->message == WM_MOUSEHWHEEL)
direction = (((short) HIWORD (msg->wParam)) > 0)
? GDK_SCROLL_RIGHT
: GDK_SCROLL_LEFT;
event = gdk_scroll_event_new_value120 (window,
device_manager_win32->core_pointer,
NULL,
_gdk_win32_get_next_tick (msg->time),
build_pointer_event_state (msg),
direction,
(double) scroll_x,
(double) -scroll_y);
_gdk_win32_append_event (event);