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/* * This file is part of Maliit framework *
*
* Copyright (C) 2013 Openismus GmbH
*
* Contact: maliit-discuss@lists.maliit.org
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License version 2.1 as published by the Free Software Foundation
* and appearing in the file LICENSE.LGPL included in the packaging
* of this file.
*/
#include <wayland-client.h>
#include "qwayland-input-method.h"
#include <QDebug>
#include <QGuiApplication>
#include <QRegion>
#include <QVector>
#include <QWindow>
#include <qpa/qplatformnativeinterface.h>
#include "waylandplatform.h"
#include "windowdata.h"
namespace
{
QtWayland::wl_input_panel_surface::position maliitToWestonPosition(Maliit::Position position)
{
switch (position) {
case Maliit::PositionCenterBottom:
return QtWayland::wl_input_panel_surface::position_center_bottom;
default:
qWarning() << "Weston only supports center bottom position for top-level surfaces.";
return QtWayland::wl_input_panel_surface::position_center_bottom;
}
}
} // unnamed namespace
namespace Maliit
{
class WaylandPlatformPrivate
{
public:
WaylandPlatformPrivate();
~WaylandPlatformPrivate();
void handleRegistryGlobal(uint32_t name,
const char *interface,
uint32_t version);
void handleRegistryGlobalRemove(uint32_t name);
void setupInputSurface(QWindow *window,
Maliit::Position position,
bool avoid_crash = false);
struct wl_registry *m_registry;
QScopedPointer<QtWayland::wl_input_panel> m_panel;
uint32_t m_panel_name;
QVector<WindowData> m_scheduled_windows;
};
namespace {
void registryGlobal(void *data,
wl_registry *registry,
uint32_t name,
const char *interface,
uint32_t version)
{
qDebug() << __PRETTY_FUNCTION__;
WaylandPlatformPrivate *d = static_cast<WaylandPlatformPrivate *>(data);
Q_UNUSED(registry);
d->handleRegistryGlobal(name, interface, version);
}
void registryGlobalRemove(void *data,
wl_registry *registry,
uint32_t name)
{
qDebug() << __PRETTY_FUNCTION__;
WaylandPlatformPrivate *d = static_cast<WaylandPlatformPrivate *>(data);
Q_UNUSED(registry);
d->handleRegistryGlobalRemove(name);
}
const wl_registry_listener maliit_registry_listener = {
registryGlobal,
registryGlobalRemove
};
} // unnamed namespace
WaylandPlatformPrivate::WaylandPlatformPrivate()
: m_registry(0),
m_panel(0),
m_panel_name(0),
m_scheduled_windows()
{
wl_display *display = static_cast<wl_display *>(QGuiApplication::platformNativeInterface()->nativeResourceForIntegration("display"));
if (!display) {
qCritical() << __PRETTY_FUNCTION__ << "Failed to get a display.";
return;
}
m_registry = wl_display_get_registry(display);
wl_registry_add_listener(m_registry, &maliit_registry_listener, this);
// QtWayland will do dispatching for us.
}
WaylandPlatformPrivate::~WaylandPlatformPrivate()
{
if (m_registry) {
wl_registry_destroy (m_registry);
}
}
void WaylandPlatformPrivate::handleRegistryGlobal(uint32_t name,
const char *interface,
uint32_t version)
{
Q_UNUSED(version);
qDebug() << __PRETTY_FUNCTION__ << "Name:" << name << "Interface:" << interface;
if (!strcmp(interface, "wl_input_panel")) {
m_panel.reset(new QtWayland::wl_input_panel(m_registry, name));
m_panel_name = name;
Q_FOREACH (const WindowData& data, m_scheduled_windows) {
setupInputSurface(data.m_window, data.m_position, true);
}
m_scheduled_windows.clear();
}
}
void WaylandPlatformPrivate::handleRegistryGlobalRemove(uint32_t name)
{
qDebug() << __PRETTY_FUNCTION__ << "Name:" << name;
if (m_panel and m_panel_name == name) {
m_panel.reset();
}
}
void WaylandPlatformPrivate::setupInputSurface(QWindow *window,
Maliit::Position position,
bool avoid_crash)
{
struct wl_surface *surface = avoid_crash ? 0 : static_cast<struct wl_surface *>(QGuiApplication::platformNativeInterface()->nativeResourceForWindow("surface", window));
struct wl_output *output = static_cast<struct wl_output*>(QGuiApplication::platformNativeInterface()->nativeResourceForScreen("output", QGuiApplication::primaryScreen()));
if (!surface) {
if (avoid_crash) {
qDebug() << "Creating surface to avoid crash in QtWayland";
} else {
qDebug() << "No wl_surface, calling create.";
}
qDebug() << __PRETTY_FUNCTION__ << "WId:" << window->winId();
window->create();
}
surface = static_cast<struct wl_surface *>(QGuiApplication::platformNativeInterface()->nativeResourceForWindow("surface", window));
qDebug() << __PRETTY_FUNCTION__ << "WId:" << window->winId();
if (!surface) {
qDebug() << __PRETTY_FUNCTION__ << "Still no surface, giving up.";
return;
}
struct wl_input_panel_surface *ip_surface = m_panel->get_input_panel_surface(surface);
QtWayland::wl_input_panel_surface::position weston_position = maliitToWestonPosition(position);
wl_input_panel_surface_set_toplevel(ip_surface, output, weston_position);
}
WaylandPlatform::WaylandPlatform()
: d_ptr(new WaylandPlatformPrivate)
{}
void WaylandPlatform::setupInputPanel(QWindow* window,
Maliit::Position position)
{
// we ignore non toplevel surfaces
if (not window or window->parent()) {
return;
}
Q_D(WaylandPlatform);
// If we have an input panel, we set up the surface now. Otherwise we
// schedule it for later.
if (d->m_panel) {
d->setupInputSurface(window, position);
} else {
d->m_scheduled_windows.append(WindowData(window, position));
}
}
void WaylandPlatform::setInputRegion(QWindow* window,
const QRegion& region)
{
if (not window) {
return;
}
QPlatformNativeInterface *wliface = QGuiApplication::platformNativeInterface();
wl_compositor *wlcompositor = static_cast<wl_compositor *>(wliface->nativeResourceForIntegration("compositor"));
wl_region *wlregion = wl_compositor_create_region(wlcompositor);
Q_FOREACH (const QRect &rect, region.rects()) {
wl_region_add(wlregion, rect.x(), rect.y(),
rect.width(), rect.height());
}
wl_surface *wlsurface = static_cast<wl_surface *>(wliface->nativeResourceForWindow("surface", window));
wl_surface_set_input_region(wlsurface, wlregion);
wl_region_destroy(wlregion);
}
} // namespace Maliit
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