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win32: add support for --input-cursor-passthrough option 

This completes the support for all supported desktop platforms.
This commit is contained in:
nanahi 2023-12-25 09:02:54 -05:00 committed by Dudemanguy
parent 579349b21c
commit 26df531b14
2 changed files with 21 additions and 1 deletions
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1
DOCS/man/options.rst
View File

@ -4149,7 +4149,6 @@ Input
Support depends on the VO in use.
``--input-cursor-passthrough``, ``--no-input-cursor-passthrough``
(X11, Wayland and macOS only)
Tell the backend windowing system to allow pointer events to passthrough
the mpv window. This allows windows under mpv to instead receive pointer
events as if the mpv window was never there.

21
video/out/w32_common.c
View File

@ -1204,6 +1204,23 @@ static void update_backdrop(const struct vo_w32_state *w32)
&backdropType, sizeof(backdropType));
}
static void update_cursor_passthrough(const struct vo_w32_state *w32)
{
if (w32->parent)
return;
LONG_PTR exstyle = GetWindowLongPtrW(w32->window, GWL_EXSTYLE);
if (exstyle) {
if (w32->opts->cursor_passthrough) {
SetWindowLongPtrW(w32->window, GWL_EXSTYLE, exstyle | WS_EX_LAYERED | WS_EX_TRANSPARENT);
// This is required, otherwise the titlebar disappears.
SetLayeredWindowAttributes(w32->window, 0, 255, LWA_ALPHA);
} else {
SetWindowLongPtrW(w32->window, GWL_EXSTYLE, exstyle & ~(WS_EX_LAYERED | WS_EX_TRANSPARENT));
}
}
}
static LRESULT CALLBACK WndProc(HWND hWnd, UINT message, WPARAM wParam,
LPARAM lParam)
{
@ -1802,6 +1819,8 @@ static MP_THREAD_VOID gui_thread(void *ptr)
update_affinity(w32);
if (w32->opts->backdrop_type)
update_backdrop(w32);
if (w32->opts->cursor_passthrough)
update_cursor_passthrough(w32);
if (SUCCEEDED(OleInitialize(NULL))) {
ole_ok = true;
@ -1982,6 +2001,8 @@ static int gui_thread_control(struct vo_w32_state *w32, int request, void *arg)
update_window_state(w32);
} else if (changed_option == &vo_opts->backdrop_type) {
update_backdrop(w32);
} else if (changed_option == &vo_opts->cursor_passthrough) {
update_cursor_passthrough(w32);
} else if (changed_option == &vo_opts->border ||
changed_option == &vo_opts->title_bar)
{