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/*
KWin - the KDE window manager
This file is part of the KDE project.
SPDX-FileCopyrightText: 2020 Aleix Pol Gonzalez <aleixpol@kde.org>
SPDX-License-Identifier: GPL-2.0-or-later
*/
#include "inputpanelv1window.h"
#include "core/output.h"
#include "core/pixelgrid.h"
#include "inputmethod.h"
#include "wayland/output.h"
#include "wayland/seat.h"
#include "wayland/surface.h"
#include "wayland/textinput_v1.h"
#include "wayland/textinput_v2.h"
#include "wayland/textinput_v3.h"
#include "wayland_server.h"
#include "workspace.h"
namespace KWin
{
InputPanelV1Window::InputPanelV1Window(InputPanelSurfaceV1Interface *panelSurface)
: WaylandWindow(panelSurface->surface())
, m_panelSurface(panelSurface)
{
setOutput(workspace()->activeOutput());
setMoveResizeOutput(workspace()->activeOutput());
setSkipSwitcher(true);
setSkipPager(true);
setSkipTaskbar(true);
connect(surface(), &SurfaceInterface::aboutToBeDestroyed, this, &InputPanelV1Window::destroyWindow);
connect(surface(), &SurfaceInterface::sizeChanged, this, &InputPanelV1Window::reposition);
connect(surface(), &SurfaceInterface::inputChanged, this, &InputPanelV1Window::reposition);
connect(surface(), &SurfaceInterface::mapped, this, &InputPanelV1Window::handleMapped);
connect(surface(), &SurfaceInterface::unmapped, this, &InputPanelV1Window::handleUnmapped);
connect(panelSurface, &InputPanelSurfaceV1Interface::topLevel, this, &InputPanelV1Window::showTopLevel);
connect(panelSurface, &InputPanelSurfaceV1Interface::overlayPanel, this, &InputPanelV1Window::showOverlayPanel);
connect(panelSurface, &InputPanelSurfaceV1Interface::aboutToBeDestroyed, this, &InputPanelV1Window::destroyWindow);
connect(workspace(), &Workspace::outputsChanged, this, &InputPanelV1Window::reposition);
connect(kwinApp()->inputMethod(), &InputMethod::cursorRectangleChanged, this, &InputPanelV1Window::reposition);
m_rescalingTimer.setSingleShot(true);
m_rescalingTimer.setInterval(0);
connect(&m_rescalingTimer, &QTimer::timeout, this, [this]() {
setTargetScale(nextTargetScale());
});
connect(&m_rescalingTimer, &QTimer::timeout, this, &InputPanelV1Window::reposition);
kwinApp()->inputMethod()->setPanel(this);
}
void InputPanelV1Window::showOverlayPanel()
{
m_mode = Mode::Overlay;
maybeShow();
}
void InputPanelV1Window::showTopLevel(OutputInterface *output, InputPanelSurfaceV1Interface::Position position)
{
m_mode = Mode::VirtualKeyboard;
maybeShow();
}
void InputPanelV1Window::allow()
{
m_allowed = true;
maybeShow();
}
void InputPanelV1Window::show()
{
m_requestedToBeShown = true;
maybeShow();
}
void InputPanelV1Window::hide()
{
m_requestedToBeShown = false;
if (readyForPainting() && m_mode != Mode::Overlay) {
setHidden(true);
}
}
void InputPanelV1Window::resetPosition()
{
Q_ASSERT(!isDeleted());
switch (m_mode) {
case Mode::None: {
// should never happen
}; break;
case Mode::VirtualKeyboard: {
// maliit creates a fullscreen overlay so use the input shape as the window geometry.
m_windowGeometry = surface()->input().boundingRect();
const auto activeOutput = workspace()->activeOutput();
QRectF availableArea;
if (waylandServer()->isScreenLocked()) {
availableArea = workspace()->clientArea(FullScreenArea, this, activeOutput);
} else {
availableArea = workspace()->clientArea(MaximizeArea, this, activeOutput);
}
QRectF geo = m_windowGeometry;
// if it fits, align within available area
if (geo.width() < availableArea.width()) {
geo.moveLeft(availableArea.left() + (availableArea.width() - geo.width()) / 2);
} else { // otherwise align to be centred within the screen
const QRectF outputArea = activeOutput->geometry();
geo.moveLeft(outputArea.left() + (outputArea.width() - geo.width()) / 2);
}
geo.moveBottom(availableArea.bottom());
moveResize(snapToPixels(geo, targetScale()));
} break;
case Mode::Overlay: {
QRect cursorRectangle = kwinApp()->inputMethod()->cursorRectangle();
const QRectF screen = Workspace::self()->clientArea(PlacementArea, this, cursorRectangle.bottomLeft());
m_windowGeometry = QRectF(QPointF(0, 0), surface()->size());
QRectF popupRect(cursorRectangle.left(),
cursorRectangle.top() + cursorRectangle.height(),
m_windowGeometry.width(),
m_windowGeometry.height());
if (popupRect.left() < screen.left()) {
popupRect.moveLeft(screen.left());
}
if (popupRect.right() > screen.right()) {
popupRect.moveRight(screen.right());
}
if (popupRect.top() < screen.top() || popupRect.bottom() > screen.bottom()) {
const QRectF flippedPopupRect(cursorRectangle.left(),
cursorRectangle.top() - m_windowGeometry.height(),
m_windowGeometry.width(),
m_windowGeometry.height());
// if it still doesn't fit we should continue with the unflipped version
if (flippedPopupRect.top() >= screen.top() && flippedPopupRect.bottom() <= screen.bottom()) {
popupRect.moveTop(flippedPopupRect.top());
}
}
if (popupRect.top() < screen.top()) {
popupRect.moveTop(screen.top());
}
if (popupRect.bottom() > screen.bottom()) {
popupRect.moveBottom(screen.bottom());
}
moveResize(snapToPixels(popupRect, targetScale()));
} break;
}
}
void InputPanelV1Window::reposition()
{
if (!readyForPainting()) {
return;
}
resetPosition();
}
void InputPanelV1Window::destroyWindow()
{
m_panelSurface->disconnect(this);
m_panelSurface->surface()->disconnect(this);
disconnect(workspace(), &Workspace::outputsChanged, this, &InputPanelV1Window::reposition);
disconnect(kwinApp()->inputMethod(), &InputMethod::cursorRectangleChanged, this, &InputPanelV1Window::reposition);
markAsDeleted();
Q_EMIT closed();
m_rescalingTimer.stop();
StackingUpdatesBlocker blocker(workspace());
waylandServer()->removeWindow(this);
unref();
}
WindowType InputPanelV1Window::windowType() const
{
return WindowType::Utility;
}
QRectF InputPanelV1Window::frameRectToBufferRect(const QRectF &rect) const
{
return QRectF(rect.topLeft() - m_windowGeometry.topLeft(), surface()->size());
}
void InputPanelV1Window::moveResizeInternal(const QRectF &rect, MoveResizeMode mode)
{
updateGeometry(rect);
}
void InputPanelV1Window::doSetNextTargetScale()
{
if (isDeleted()) {
return;
}
surface()->setPreferredBufferScale(nextTargetScale());
// re-align the surface with the new target scale
m_rescalingTimer.start();
}
void InputPanelV1Window::doSetPreferredBufferTransform()
{
if (isDeleted()) {
return;
}
surface()->setPreferredBufferTransform(preferredBufferTransform());
}
void InputPanelV1Window::doSetPreferredColorDescription()
{
if (isDeleted()) {
return;
}
surface()->setPreferredColorDescription(preferredColorDescription());
}
void InputPanelV1Window::handleMapped()
{
m_wasEverMapped = true;
maybeShow();
}
void InputPanelV1Window::handleUnmapped()
{
setHidden(true);
}
bool InputPanelV1Window::wasUnmapped() const
{
return m_wasEverMapped && !surface()->isMapped();
}
void InputPanelV1Window::maybeShow()
{
const bool shouldShow = m_mode == Mode::Overlay || (m_mode == Mode::VirtualKeyboard && m_allowed && m_requestedToBeShown);
if (shouldShow && !isDeleted() && surface()->isMapped()) {
resetPosition();
markAsMapped();
setHidden(false);
}
}
} // namespace KWin
#include "moc_inputpanelv1window.cpp"
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