File indexing completed on 2024-04-28 05:30:28

 /*
     SPDX-FileCopyrightText: 2017 Martin Graesslin <mgraesslin@kde.org>
 
     SPDX-License-Identifier: GPL-2.0-only OR GPL-3.0-only OR LicenseRef-KDE-Accepted-GPL
 
 */
 #include "popup_input_filter.h"
 #include "input_event.h"
 #include "internalwindow.h"
 #include "keyboard_input.h"
 #include "wayland/seat.h"
 #include "wayland_server.h"
 #include "window.h"
 #include "workspace.h"
 
 namespace KWin
 {
 
 PopupInputFilter::PopupInputFilter()
     : QObject()
 {
     connect(workspace(), &Workspace::windowAdded, this, &PopupInputFilter::handleWindowAdded);
 }
 
 void PopupInputFilter::handleWindowAdded(Window *window)
 {
     if (m_popupWindows.contains(window)) {
         return;
     }
     if (window->hasPopupGrab()) {
         // TODO: verify that the Window is allowed as a popup
         m_popupWindows << window;
         connect(window, &Window::closed, this, [this, window]() {
             m_popupWindows.removeOne(window);
             // Move focus to the parent popup. If that's the last popup, then move focus back to the parent
             if (!m_popupWindows.isEmpty() && m_popupWindows.last()->surface()) {
                 auto seat = waylandServer()->seat();
                 seat->setFocusedKeyboardSurface(m_popupWindows.last()->surface());
             } else {
                 input()->keyboard()->update();
             }
         });
     }
 }
 
 bool PopupInputFilter::pointerEvent(MouseEvent *event, quint32 nativeButton)
 {
     if (m_popupWindows.isEmpty()) {
         return false;
     }
     if (event->type() == QMouseEvent::MouseButtonPress) {
         auto pointerFocus = input()->findToplevel(event->globalPos());
         if (!pointerFocus || !Window::belongToSameApplication(pointerFocus, m_popupWindows.constLast())) {
             // a press on a window (or no window) not belonging to the popup window
             cancelPopups();
             // filter out this press
             return true;
         }
         if (pointerFocus && pointerFocus->isDecorated()) {
             // test whether it is on the decoration
             if (!exclusiveContains(pointerFocus->clientGeometry(), event->globalPos())) {
                 cancelPopups();
                 return true;
             }
         }
     }
     return false;
 }
 
 bool PopupInputFilter::keyEvent(KeyEvent *event)
 {
     if (m_popupWindows.isEmpty()) {
         return false;
     }
 
     auto seat = waylandServer()->seat();
 
     auto last = m_popupWindows.last();
     if (last->surface() == nullptr) {
         return false;
     }
 
     seat->setFocusedKeyboardSurface(last->surface());
 
     if (!passToInputMethod(event)) {
         passToWaylandServer(event);
     }
 
     return true;
 }
 
 bool PopupInputFilter::touchDown(qint32 id, const QPointF &pos, std::chrono::microseconds time)
 {
     if (m_popupWindows.isEmpty()) {
         return false;
     }
     auto pointerFocus = input()->findToplevel(pos);
     if (!pointerFocus || !Window::belongToSameApplication(pointerFocus, m_popupWindows.constLast())) {
         // a touch on a window (or no window) not belonging to the popup window
         cancelPopups();
         // filter out this touch
         return true;
     }
     if (pointerFocus && pointerFocus->isDecorated()) {
         // test whether it is on the decoration
         if (!exclusiveContains(pointerFocus->clientGeometry(), pos)) {
             cancelPopups();
             return true;
         }
     }
     return false;
 }
 
 void PopupInputFilter::cancelPopups()
 {
     while (!m_popupWindows.isEmpty()) {
         auto c = m_popupWindows.takeLast();
         c->popupDone();
     }
 }
 
 }
 
 #include "moc_popup_input_filter.cpp"