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fix: fix wine systray can't interact with
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dde-dock use XTest to send mouse button event,
but wine do not support XTest extension,
so use XEvent to deal with wine.

Log: fix wine systray can't interact with
Influence: tray
Issue: linuxdeepin/developer-center#2262
Bug: https://pms.uniontech.com/bug-view-125181.html
Change-Id: Ic3ebee7748be7ee458ef8ed1aa0575237bbbafd5
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TsicLiu committed Apr 19, 2022
1 parent 9da22bc commit 7b625b1
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Showing 2 changed files with 114 additions and 31 deletions.
137 changes: 106 additions & 31 deletions plugins/tray/xembedtraywidget.cpp
View file
Expand Up @@ -28,6 +28,7 @@
#include <QX11Info>
#include <QDebug>
#include <QMouseEvent>
#include <QScopedPointer>
#include <QProcess>
#include <QThread>
#include <QApplication>
Expand All @@ -47,7 +48,7 @@
#define WINE_WINDOW_PROP_NAME "__wine_prefix"
#define IS_WINE_WINDOW_BY_WM_CLASS "explorer.exe"

static const qreal iconSize = PLUGIN_ICON_MAX_SIZE;
static const uint16_t iconDefaultSize = PLUGIN_ICON_MAX_SIZE;

// this static var hold all suffix of tray widget keys.
// that is in order to fix can not show multiple trays provide by one application,
Expand Down Expand Up @@ -87,6 +88,7 @@ XEmbedTrayWidget::XEmbedTrayWidget(quint32 winId, xcb_connection_t *cnn, Display
, m_valid(true)
, m_xcbCnn(cnn)
, m_display(disp)
, m_injectMode(Direct)
{
wrapWindow();
setOwnerPID(getWindowPID(winId));
Expand Down Expand Up @@ -187,15 +189,16 @@ void XEmbedTrayWidget::wrapWindow()
}

auto cookie = xcb_get_geometry(c, m_windowId);
xcb_get_geometry_reply_t *clientGeom(xcb_get_geometry_reply(c, cookie, Q_NULLPTR));
QScopedPointer<xcb_get_geometry_reply_t, QScopedPointerPodDeleter> clientGeom(xcb_get_geometry_reply(c, cookie, nullptr));
if (!clientGeom) {
m_valid = false;
return;
}
free(clientGeom);

//create a container window
//创建托盘window，并使背景透明化
const auto ratio = devicePixelRatioF();
uint16_t iconSize = iconDefaultSize * ratio;
auto screen = xcb_setup_roots_iterator (xcb_get_setup (c)).data;
m_containerWid = xcb_generate_id(c);
uint32_t values[2];
Expand All @@ -207,7 +210,7 @@ void XEmbedTrayWidget::wrapWindow()
m_containerWid, /* window Id */
screen->root, /* parent window */
0, 0, /* x, y */
iconSize * ratio, iconSize * ratio, /* width, height */
iconSize, iconSize, /* width, height */
0, /* border_width */
XCB_WINDOW_CLASS_INPUT_OUTPUT,/* class */
screen->root_visual, /* visual */
Expand Down Expand Up @@ -270,31 +273,45 @@ void XEmbedTrayWidget::wrapWindow()
// xembed_message_send(m_windowId, XEMBED_EMBEDDED_NOTIFY, m_containerWid, 0, 0);

//move window we're embedding
/*
const uint32_t windowMoveConfigVals[2] = { 0, 0 };
xcb_configure_window(c, m_windowId,
XCB_CONFIG_WINDOW_X | XCB_CONFIG_WINDOW_Y,
windowMoveCentially quitting the application. Returns onfigVals);
*/
XCB_CONFIG_WINDOW_X | XCB_CONFIG_WINDOW_Y, windowMoveConfigVals);

//if the window is a clearly stupid size resize to be something sensible
//this is needed as chormium and such when resized just fill the icon with transparent space and only draw in the middle
//however spotify does need this as by default the window size is 900px wide.
//use an artbitrary heuristic to make sure icons are always sensible
// if (clientGeom->width > iconSize || clientGeom->height > iconSize )
{
const uint32_t windowMoveConfigVals[2] = { uint32_t(iconSize * ratio), uint32_t(iconSize * ratio) };
xcb_configure_window(c, m_windowId,
XCB_CONFIG_WINDOW_WIDTH | XCB_CONFIG_WINDOW_HEIGHT,
windowMoveConfigVals);
// 判断托盘的大小是否超出iconSize
QSize clientWindowSize;
if (clientGeom) {
clientWindowSize = QSize(clientGeom->width, clientGeom->height);
}

if (clientWindowSize.isEmpty() || clientWindowSize.width() > iconSize || clientWindowSize.height() > iconSize ) {

uint16_t widthNormalized = std::min(clientGeom->width, iconSize);
uint16_t heighNormalized = std::min(clientGeom->height, iconSize);

const uint32_t windowSizeConfigVals[2] = {widthNormalized, heighNormalized};
xcb_configure_window(c, m_windowId, XCB_CONFIG_WINDOW_WIDTH | XCB_CONFIG_WINDOW_HEIGHT, windowSizeConfigVals);

xcb_flush(c);
clientWindowSize = QSize(iconSize, iconSize);
}

//show the embedded window otherwise nothing happens
xcb_map_window(c, m_windowId);

xcb_clear_area(c, 0, m_windowId, 0, 0, clientWindowSize.width(), clientWindowSize.height());

// xcb_clear_area(c, 0, m_windowId, 0, 0, qMin(clientGeom->width, iconSize), qMin(clientGeom->height, iconSize));

xcb_flush(c);

// 通过xcb获取window属性，判断该window是否处理button press事件
// 当window不关注button press等事件时，使用xtest extension
auto windowAttributesCookie = xcb_get_window_attributes(c, m_windowId);
QScopedPointer<xcb_get_window_attributes_reply_t, QScopedPointerPodDeleter> windowAttributes(xcb_get_window_attributes_reply(c, windowAttributesCookie, nullptr));
if (windowAttributes && !(windowAttributes->all_event_masks & XCB_EVENT_MASK_BUTTON_PRESS)) {
m_injectMode = XTest;
}

// setWindowOnTop(false);
setWindowOnTop(true);
setX11PassMouseEvent(true);
Expand All @@ -306,15 +323,33 @@ void XEmbedTrayWidget::sendHoverEvent()
return;
}

// fake enter event
const QPoint p(rawXPosition(QCursor::pos()));
configContainerPosition();
setX11PassMouseEvent(false);
setWindowOnTop(true);
Display *display = IS_WAYLAND_DISPLAY ? m_display : QX11Info::display();
if (display) {
XTestFakeMotionEvent(display, 0, p.x(), p.y(), CurrentTime);
XFlush(display);
if (m_injectMode == XTest) {
// fake enter event
XTestFakeMotionEvent(display, 0, p.x(), p.y(), CurrentTime);
XFlush(display);
} else {
// 发送 montion notify event到client，实现hover事件
auto c = QX11Info::connection();
xcb_motion_notify_event_t* event = new xcb_motion_notify_event_t;
memset(event, 0x00, sizeof(xcb_button_press_event_t));
event->response_type = XCB_MOTION_NOTIFY;
event->event = m_windowId;
event->same_screen = 1;
event->root = QX11Info::appRootWindow();
event->time = 0;
event->root_x = p.x();
event->root_y = p.y();
event->child = 0;
event->state = 0;
xcb_send_event(c, false, m_windowId, XCB_EVENT_MASK_POINTER_MOTION, (char*)event);
delete event;
}
}

QTimer::singleShot(100, this, [=] { setX11PassMouseEvent(true); });
Expand Down Expand Up @@ -349,19 +384,59 @@ void XEmbedTrayWidget::sendClick(uint8_t mouseButton, int x, int y)
return;

m_sendHoverEvent->stop();

auto c = QX11Info::connection();
if (!c) {
qWarning() << "QX11Info::connection() is " << c;
return;
}
const QPoint p(rawXPosition(QPoint(x, y)));
configContainerPosition();
setX11PassMouseEvent(false);
setWindowOnTop(true);

Display *display = IS_WAYLAND_DISPLAY ? m_display : QX11Info::display();
XTestFakeMotionEvent(display, 0, p.x(), p.y(), CurrentTime);
XFlush(display);
XTestFakeButtonEvent(display, mouseButton, true, CurrentTime);
XFlush(display);
XTestFakeButtonEvent(display, mouseButton, false, CurrentTime);
XFlush(display);

if (m_injectMode == XTest) {
XTestFakeMotionEvent(display, 0, p.x(), p.y(), CurrentTime);
XFlush(display);
XTestFakeButtonEvent(display, mouseButton, true, CurrentTime);
XFlush(display);
XTestFakeButtonEvent(display, mouseButton, false, CurrentTime);
XFlush(display);
} else {
// press event
xcb_button_press_event_t *pressEvent = new xcb_button_press_event_t;
memset(pressEvent, 0x00, sizeof(xcb_button_press_event_t));
pressEvent->response_type = XCB_BUTTON_PRESS;
pressEvent->event = m_windowId;
pressEvent->same_screen = 1;
pressEvent->root = QX11Info::appRootWindow();
pressEvent->time = 0;
pressEvent->root_x = x;
pressEvent->root_y = y;
pressEvent->child = 0;
pressEvent->state = 0;
pressEvent->detail = mouseButton;
xcb_send_event(c, false, m_windowId, XCB_EVENT_MASK_BUTTON_PRESS, (char*)pressEvent);
delete pressEvent;

// release event
xcb_button_release_event_t *releaseEvent = new xcb_button_release_event_t;
memset(releaseEvent, 0x00, sizeof(xcb_button_release_event_t));
releaseEvent->response_type = XCB_BUTTON_RELEASE;
releaseEvent->event = m_windowId;
releaseEvent->same_screen = 1;
releaseEvent->root = QX11Info::appRootWindow();
releaseEvent->time = QX11Info::getTimestamp();
releaseEvent->root_x = x;
releaseEvent->root_y = y;
releaseEvent->child = 0;
releaseEvent->state = 0;
releaseEvent->detail = mouseButton;
xcb_send_event(c, false, m_windowId, XCB_EVENT_MASK_BUTTON_RELEASE, (char*)releaseEvent);
delete releaseEvent;
}

QTimer::singleShot(100, this, [=] { setX11PassMouseEvent(true); });
}

Expand Down Expand Up @@ -434,8 +509,8 @@ void XEmbedTrayWidget::refershIconImage()
expose.window = m_containerWid;
expose.x = 0;
expose.y = 0;
expose.width = iconSize * ratio;
expose.height = iconSize * ratio;
expose.width = iconDefaultSize * ratio;
expose.height = iconDefaultSize * ratio;
xcb_send_event_checked(c, false, m_containerWid, XCB_EVENT_MASK_VISIBILITY_CHANGE, reinterpret_cast<char *>(&expose));
xcb_flush(c);

Expand All @@ -451,7 +526,7 @@ void XEmbedTrayWidget::refershIconImage()
return;
}

m_image = qimage.scaled(iconSize * ratio, iconSize * ratio, Qt::KeepAspectRatio, Qt::SmoothTransformation);
m_image = qimage.scaled(iconDefaultSize * ratio, iconDefaultSize * ratio, Qt::KeepAspectRatio, Qt::SmoothTransformation);
m_image.setDevicePixelRatio(ratio);

update();
Expand Down
8 changes: 8 additions & 0 deletions plugins/tray/xembedtraywidget.h
View file
Expand Up @@ -67,6 +67,13 @@ private slots:
bool isBadWindow();

private:
// Direct client关注xevent，使用xevent来处理button事件等
// XTest client不关注xevent，使用xtest extension处理
enum InjectMode {
Direct,
XTest,
};

bool m_active = false;
WId m_windowId;
WId m_containerWid;
Expand All @@ -78,6 +85,7 @@ private slots:
bool m_valid;
xcb_connection_t *m_xcbCnn;
Display* m_display;
InjectMode m_injectMode;
};

#endif // XEMBEDTRAYWIDGET_H

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