feat: 覆盖QPlatformInputContext虚函数

关联了show() hide() boardRect() visible()函数
关联了keyboardRectangleChanged visibleChanged 信号

Log: 添加虚拟键盘对外接口与QPlatformInputContext接口关联
Change-Id: Ife63b6279de517b0b23e1b07b18644143a629a1f

misc/com.deepin.im.xml

@@ -0,0 +1,23 @@
+<!DOCTYPE node PUBLIC "-//freedesktop//DTD D-BUS Object Introspection 1.0//EN" "http://www.freedesktop.org/standards/dbus/1.0/introspect.dtd">
+<node>
+  <interface name="com.deepin.im">
+    <property name="geometry" type="(iiii)" access="read">
+      <annotation name="org.qtproject.QtDBus.QtTypeName" value="QRect"/>
+    </property>
+    <property name="imActive" type="b" access="readwrite"/>
+    <property name="imSignalLock" type="b" access="readwrite"/>
+    <signal name="geometryChanged">
+      <arg name="rect" type="(iiii)" direction="out"/>
+      <annotation name="org.qtproject.QtDBus.QtTypeName.Out0" value="QRect"/>
+    </signal>
+    <signal name="imActiveChanged">
+      <arg name="is" type="b" direction="out"/>
+    </signal>
+    <signal name="imSignalLockChanged">
+      <arg name="is" type="b" direction="out"/>
+    </signal>
+    <method name="setKeyboardHeight">
+      <arg name="h" type="i" direction="in"/>
+    </method>
+  </interface>
+</node>

xcb/dplatforminputcontexthook.cpp

@@ -0,0 +1,60 @@
+/*
+* Copyright (C) 2020 ~ 2020 Uniontech Software Technology Co.,Ltd.
+*
+* Author:     wangpeng <[email protected]>
+*
+* Maintainer: wangpeng <[email protected]>
+*
+* This program is free software: you can redistribute it and/or modify
+* it under the terms of the GNU General Public License as published by
+* the Free Software Foundation, either version 3 of the License, or
+* any later version.
+*
+* This program is distributed in the hope that it will be useful,
+* but WITHOUT ANY WARRANTY; without even the implied warranty of
+* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+* GNU General Public License for more details.
+*
+* You should have received a copy of the GNU General Public License
+* along with this program.  If not, see <http://www.gnu.org/licenses/>.
+*/
+#include "dplatforminputcontexthook.h"
+
+#include "global.h"
+#include <qpa/qplatforminputcontext.h>
+
+DPP_BEGIN_NAMESPACE
+
+void DPlatformInputContextHook::showInputPanel(QPlatformInputContext *inputContext)
+{
+    Q_UNUSED(inputContext)
+    instance()->setImActive(true);
+}
+
+void DPlatformInputContextHook::hideInputPanel(QPlatformInputContext *inputContext)
+{
+    Q_UNUSED(inputContext)
+    instance()->setImActive(false);
+}
+
+bool DPlatformInputContextHook::isInputPanelVisible(QPlatformInputContext *inputContext)
+{
+    Q_UNUSED(inputContext)
+    return instance()->imActive();
+}
+
+QRectF DPlatformInputContextHook::keyboardRect(QPlatformInputContext *inputContext)
+{
+    Q_UNUSED(inputContext)
+    return instance()->geometry();
+}
+
+Q_GLOBAL_STATIC_WITH_ARGS(ComDeepinImInterface, __imInterface,
+                          (QString("com.deepin.im"), QString("/com/deepin/im"), QDBusConnection::sessionBus()))
+
+ComDeepinImInterface* DPlatformInputContextHook::instance()
+{
+    return __imInterface;
+}
+
+DPP_END_NAMESPACE

xcb/dplatforminputcontexthook.h

@@ -0,0 +1,52 @@
+/*
+* Copyright (C) 2020 ~ 2020 Uniontech Software Technology Co.,Ltd.
+*
+* Author:     wangpeng <[email protected]>
+*
+* Maintainer: wangpeng <[email protected]>
+*
+* This program is free software: you can redistribute it and/or modify
+* it under the terms of the GNU General Public License as published by
+* the Free Software Foundation, either version 3 of the License, or
+* any later version.
+*
+* This program is distributed in the hope that it will be useful,
+* but WITHOUT ANY WARRANTY; without even the implied warranty of
+* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+* GNU General Public License for more details.
+*
+* You should have received a copy of the GNU General Public License
+* along with this program.  If not, see <http://www.gnu.org/licenses/>.
+*/
+#ifndef DPLATFORMINPUTCONTEXTHOOK_H
+#define DPLATFORMINPUTCONTEXTHOOK_H
+
+#include "global.h"
+
+#include <QRectF>
+#include <QtGlobal>
+
+#include "im_interface.h"
+
+
+QT_BEGIN_NAMESPACE
+class QPlatformInputContext;
+QT_END_NAMESPACE
+
+DPP_BEGIN_NAMESPACE
+
+class DPlatformInputContextHook
+{
+
+public:
+    static void showInputPanel(QPlatformInputContext *inputContext);
+    static void hideInputPanel(QPlatformInputContext *inputContext);
+    static bool isInputPanelVisible(QPlatformInputContext *inputContext);
+    static QRectF keyboardRect(QPlatformInputContext *inputContext);
+
+    static ComDeepinImInterface* instance();
+};
+
+DPP_END_NAMESPACE
+
+#endif // DPLATFORMINPUTCONTEXTHOOK_H

xcb/dplatformintegration.cpp

@@ -43,6 +43,7 @@
 #include "windoweventhook.h"
 #include "xcbnativeeventfilter.h"
 #include "dplatformnativeinterfacehook.h"
+#include "dplatforminputcontexthook.h"
 #include "dxcbxsettings.h"
 #include "dhighdpi.h"
 
@@ -71,8 +72,11 @@
 #include <private/qsimpledrag_p.h>
 #undef protected
 #include <qpa/qplatformnativeinterface.h>
+#include <qpa/qplatforminputcontext.h>
 #include <private/qpaintengine_raster_p.h>
 
+#include "im_interface.h"
+
 // https://www.freedesktop.org/wiki/Specifications/XSettingsRegistry/
 #define XSETTINGS_CURSOR_BLINK QByteArrayLiteral("Net/CursorBlink")
 #define XSETTINGS_CURSOR_BLINK_TIME QByteArrayLiteral("Net/CursorBlinkTime")
@@ -1006,6 +1010,27 @@ void DPlatformIntegration::initialize()
 
     QXcbIntegration::initialize();
 
+    // 适配虚拟键盘
+    if (DPlatformInputContextHook::instance()->isValid()) {
+        VtableHook::overrideVfptrFun(inputContext(),
+                                    &QPlatformInputContext::showInputPanel,
+                                    &DPlatformInputContextHook::showInputPanel);
+        VtableHook::overrideVfptrFun(inputContext(),
+                                    &QPlatformInputContext::hideInputPanel,
+                                    &DPlatformInputContextHook::hideInputPanel);
+        VtableHook::overrideVfptrFun(inputContext(),
+                                    &QPlatformInputContext::isInputPanelVisible,
+                                    &DPlatformInputContextHook::isInputPanelVisible);
+        VtableHook::overrideVfptrFun(inputContext(),
+                                    &QPlatformInputContext::keyboardRect,
+                                    &DPlatformInputContextHook::keyboardRect);
+
+        QObject::connect(DPlatformInputContextHook::instance(), &ComDeepinImInterface::geometryChanged,
+                             inputContext(), &QPlatformInputContext::emitKeyboardRectChanged);
+        QObject::connect(DPlatformInputContextHook::instance(), &ComDeepinImInterface::imActiveChanged,
+                             inputContext(), &QPlatformInputContext::emitInputPanelVisibleChanged);
+    }
+
 #ifdef Q_OS_LINUX
     m_eventFilter = new XcbNativeEventFilter(defaultConnection());
     qApp->installNativeEventFilter(m_eventFilter);

xcb/xcb.pro

@@ -8,7 +8,7 @@ PLUGIN_CLASS_NAME = DXcbIntegrationPlugin
 
 DESTDIR = $$_PRO_FILE_PWD_/../bin/plugins/platforms
 
-QT       += opengl x11extras
+QT       += opengl x11extras dbus
 QT       += core-private #xcb_qpa_lib-private
 greaterThan(QT_MAJOR_VERSION, 4) {
     QT += widgets widgets-private
@@ -45,7 +45,8 @@ SOURCES += \
     dhighdpi.cpp \
     dnotitlebarwindowhelper.cpp \
     3rdparty/dsimple.c \
-    3rdparty/clientwin.c
+    3rdparty/clientwin.c \
+    $$PWD/dplatforminputcontexthook.cpp
 
 HEADERS += \
     $$PWD/dplatformintegration.h \
@@ -56,7 +57,8 @@ HEADERS += \
     dhighdpi.h \
     dnotitlebarwindowhelper.h \
     3rdparty/dsimple.h \
-    3rdparty/clientwin.h
+    3rdparty/clientwin.h \
+    $$PWD/dplatforminputcontexthook.h
 
 INCLUDEPATH += $$PWD/../src
 
@@ -69,6 +71,8 @@ isEmpty(INSTALL_PATH) {
     target.path = $$INSTALL_PATH
 }
 
+DBUS_INTERFACES += ../misc/com.deepin.im.xml
+
 message($$target.path)
 
 INSTALLS += target