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framelesshelper
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implemented X11 resizing

This commit is contained in:
Altair Wei 2021-09-20 09:10:04 +08:00
parent a365499455
commit 501ff149cf
4 changed files with 63 additions and 7 deletions
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13
framelesshelper.cpp
View File

@ -243,13 +243,23 @@ void FramelessHelper::updateHoverStates(const QPoint& pos)
void FramelessHelper::startMove(QMouseEvent* event)
{
#ifdef Q_OS_LINUX
Utilities::sendX11ButtonRelease(m_window, event->globalPos());
Utilities::sendX11ButtonReleaseEvent(m_window, event->globalPos());
Utilities::startX11Moving(m_window, event->globalPos());
event->accept();
return;
#endif
}
void FramelessHelper::startResize(QMouseEvent* event, Qt::WindowFrameSection frameSection)
{
#ifdef Q_OS_LINUX
Utilities::sendX11ButtonReleaseEvent(m_window, event->globalPos());
Utilities::startX11Resizing(m_window, event->globalPos(), frameSection);
event->accept();
return;
#endif
}
bool FramelessHelper::eventFilter(QObject *object, QEvent *event)
{
bool filterOut = false;
@ -277,6 +287,7 @@ bool FramelessHelper::eventFilter(QObject *object, QEvent *event)
auto ev = static_cast<QMouseEvent *>(event);
if (isHoverResizeHandler()) {
// Start system resize
startResize(ev, m_hoveredFrameSection);
filterOut = true;
} else if (isInTitlebarArea(ev->pos())) {
// Start system move

1
framelesshelper.h
View File

@ -83,6 +83,7 @@ public:
void updateHoverStates(const QPoint& pos);
void startMove(QMouseEvent* event);
void startResize(QMouseEvent* event, Qt::WindowFrameSection frameSection);
protected:
bool eventFilter(QObject *object, QEvent *event) override;

4
utilities.h
View File

@ -59,8 +59,10 @@ FRAMELESSHELPER_API void updateQtFrameMargins(QWindow *window, const bool enable
#endif
#ifdef Q_OS_LINUX
FRAMELESSHELPER_API void sendX11ButtonRelease(QWindow *w, const QPoint &pos);
FRAMELESSHELPER_API void sendX11ButtonReleaseEvent(QWindow *w, const QPoint &pos);
FRAMELESSHELPER_API void sendX11MoveResizeEvent(QWindow *w, const QPoint &pos, int section);
FRAMELESSHELPER_API void startX11Moving(QWindow *w, const QPoint &pos);
FRAMELESSHELPER_API void startX11Resizing(QWindow *w, const QPoint &pos, Qt::WindowFrameSection frameSection);
#endif
}

52
utilities_linux.cpp
View File

@ -149,7 +149,7 @@ bool Utilities::showSystemMenu(const WId winId, const QPointF &pos)
return false;
}
void Utilities::sendX11ButtonRelease(QWindow *w, const QPoint &pos)
void Utilities::sendX11ButtonReleaseEvent(QWindow *w, const QPoint &pos)
{
QPoint clientPos = w->mapFromGlobal(pos);
Display *display = QX11Info::display();
@ -177,7 +177,7 @@ void Utilities::sendX11ButtonRelease(QWindow *w, const QPoint &pos)
XFlush(display);
}
void Utilities::startX11Moving(QWindow *w, const QPoint &pos)
void Utilities::sendX11MoveResizeEvent(QWindow *w, const QPoint &pos, int section)
{
Display *display = QX11Info::display();
int screen = QX11Info::appScreen();
@ -197,14 +197,56 @@ void Utilities::startX11Moving(QWindow *w, const QPoint &pos)
event.xclient.format = 32;
event.xclient.data.l[0] = pos.x();
event.xclient.data.l[1] = pos.y();
event.xclient.data.l[2] = _NET_WM_MOVERESIZE_MOVE;
event.xclient.data.l[2] = section;
event.xclient.data.l[3] = Button1;
event.xclient.data.l[4] = 0; /* unused */
event.xclient.data.l[4] = 0;
if (XSendEvent(display, rootWindow,
False, SubstructureRedirectMask | SubstructureNotifyMask, &event) == 0)
qWarning() << "Cant send Move event.";
qWarning("Cant send Move or Resize event.");
XFlush(display);
}
void Utilities::startX11Moving(QWindow *w, const QPoint &pos)
{
sendX11MoveResizeEvent(w, pos, _NET_WM_MOVERESIZE_MOVE);
}
void Utilities::startX11Resizing(QWindow *w, const QPoint &pos, Qt::WindowFrameSection frameSection)
{
int section = -1;
switch (frameSection)
{
case Qt::LeftSection:
section = _NET_WM_MOVERESIZE_SIZE_LEFT;
break;
case Qt::TopLeftSection:
section = _NET_WM_MOVERESIZE_SIZE_TOPLEFT;
break;
case Qt::TopSection:
section = _NET_WM_MOVERESIZE_SIZE_TOP;
break;
case Qt::TopRightSection:
section = _NET_WM_MOVERESIZE_SIZE_TOPRIGHT;
break;
case Qt::RightSection:
section = _NET_WM_MOVERESIZE_SIZE_RIGHT;
break;
case Qt::BottomRightSection:
section = _NET_WM_MOVERESIZE_SIZE_BOTTOMRIGHT;
break;
case Qt::BottomSection:
section = _NET_WM_MOVERESIZE_SIZE_BOTTOM;
break;
case Qt::BottomLeftSection:
section = _NET_WM_MOVERESIZE_SIZE_BOTTOMLEFT;
break;
default:
break;
}
if (section != -1)
sendX11MoveResizeEvent(w, pos, section);
}
FRAMELESSHELPER_END_NAMESPACE