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patch 8.2.4936: MS-Windows: mouse coordinates for scroll event are wrong

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Problem:    MS-Windows: mouse coordinates for scroll event are wrong.
Solution:   Convert coordinates to the text area coordinates. (closes #10400)
This commit is contained in:
LemonBoy
2022-05-10 20:54:46 +01:00
committed by Bram Moolenaar
parent d98e75e236
commit a773d84570
2 changed files with 15 additions and 11 deletions
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22
src/gui_w32.c
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@@ -4146,15 +4146,16 @@ init_mouse_wheel(void)
}
/*
* Intellimouse wheel handler.
* Treat a mouse wheel event as if it were a scroll request.
* Mouse scroll event handler.
*/
static void
_OnMouseWheel(HWND hwnd, short zDelta, LPARAM param, int horizontal)
_OnMouseWheel(HWND hwnd, WPARAM wParam, LPARAM lParam, int horizontal)
{
int button;
win_T *wp;
int modifiers, kbd_modifiers;
int zDelta = GET_WHEEL_DELTA_WPARAM(wParam);
POINT pt;
wp = gui_mouse_window(FIND_POPUP);
@@ -4207,11 +4208,12 @@ _OnMouseWheel(HWND hwnd, short zDelta, LPARAM param, int horizontal)
if ((kbd_modifiers & MOD_MASK_ALT) != 0)
modifiers |= MOUSE_ALT;
mch_disable_flush();
gui_send_mouse_event(button, GET_X_LPARAM(param), GET_Y_LPARAM(param),
FALSE, kbd_modifiers);
mch_enable_flush();
gui_may_flush();
// The cursor position is relative to the upper-left corner of the screen.
pt.x = GET_X_LPARAM(lParam);
pt.y = GET_Y_LPARAM(lParam);
ScreenToClient(s_textArea, &pt);
gui_send_mouse_event(button, pt.x, pt.y, FALSE, kbd_modifiers);
}
#ifdef USE_SYSMENU_FONT
@@ -4663,7 +4665,7 @@ _WndProc(
WPARAM wParam,
LPARAM lParam)
{
// TRACE("WndProc: hwnd = %08x, msg = %x, wParam = %x, lParam = %x\n",
// ch_log(NULL, "WndProc: hwnd = %08x, msg = %x, wParam = %x, lParam = %x",
// hwnd, uMsg, wParam, lParam);
HandleMouseHide(uMsg, lParam);
@@ -4763,7 +4765,7 @@ _WndProc(
case WM_MOUSEWHEEL:
case WM_MOUSEHWHEEL:
_OnMouseWheel(hwnd, HIWORD(wParam), lParam, uMsg == WM_MOUSEHWHEEL);
_OnMouseWheel(hwnd, wParam, lParam, uMsg == WM_MOUSEHWHEEL);
return 0L;
// Notification for change in SystemParametersInfo()

2
src/version.c
View File

@@ -746,6 +746,8 @@ static char *(features[]) =
static int included_patches[] =
{ /* Add new patch number below this line */
/**/
4936,
/**/
4935,
/**/