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linux: minor fixes of the xcb usage 

Signed-off-by: Yuhang Zhao <2546789017@qq.com>
This commit is contained in:
Yuhang Zhao 2022-05-06 16:32:59 +08:00
parent 4b136295a8
commit 196aeb1ce1
1 changed files with 7 additions and 5 deletions
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12
src/core/utils_linux.cpp
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@ -55,7 +55,10 @@ using Display = struct _XDisplay;
[[maybe_unused]] static constexpr const auto _NET_WM_MOVERESIZE_SIZE_LEFT = 7;
[[maybe_unused]] static constexpr const auto _NET_WM_MOVERESIZE_MOVE = 8;
[[maybe_unused]] static constexpr const char WM_MOVERESIZE_OPERATION_NAME[] = "_NET_WM_MOVERESIZE";
[[maybe_unused]] static constexpr const char _NET_WM_MOVERESIZE_ATOM_NAME[] = "_NET_WM_MOVERESIZE\0";
[[maybe_unused]] static constexpr const auto _NET_WM_SENDEVENT_MASK =
(XCB_EVENT_MASK_SUBSTRUCTURE_REDIRECT | XCB_EVENT_MASK_SUBSTRUCTURE_NOTIFY);
[[maybe_unused]] static constexpr const char GTK_THEME_NAME_ENV_VAR[] = "GTK_THEME";
[[maybe_unused]] static constexpr const char GTK_THEME_NAME_PROP[] = "gtk-theme-name";
@ -267,7 +270,7 @@ static inline void
xev.event_x = localPos.x();
xev.event_y = localPos.y();
xev.same_screen = true;
xcb_send_event(connection, false, rootWindow, XCB_EVENT_MASK_STRUCTURE_NOTIFY,
xcb_send_event(connection, false, rootWindow, _NET_WM_SENDEVENT_MASK,
reinterpret_cast<const char *>(&xev));
xcb_flush(connection);
}
@ -284,7 +287,7 @@ static inline void
Q_ASSERT(connection);
static const xcb_atom_t netMoveResize = [connection]() -> xcb_atom_t {
const xcb_intern_atom_cookie_t cookie = xcb_intern_atom(connection, false,
qstrlen(WM_MOVERESIZE_OPERATION_NAME), WM_MOVERESIZE_OPERATION_NAME);
qstrlen(_NET_WM_MOVERESIZE_ATOM_NAME), _NET_WM_MOVERESIZE_ATOM_NAME);
xcb_intern_atom_reply_t * const reply = xcb_intern_atom_reply(connection, cookie, nullptr);
Q_ASSERT(reply);
const xcb_atom_t atom = reply->atom;
@ -307,8 +310,7 @@ static inline void
// First we need to ungrab the pointer that may have been
// automatically grabbed by Qt on ButtonPressEvent.
xcb_ungrab_pointer(connection, x11_appTime());
xcb_send_event(connection, false, rootWindow,
(XCB_EVENT_MASK_SUBSTRUCTURE_REDIRECT | XCB_EVENT_MASK_SUBSTRUCTURE_NOTIFY),
xcb_send_event(connection, false, rootWindow, _NET_WM_SENDEVENT_MASK,
reinterpret_cast<const char *>(&xev));
xcb_flush(connection);
}