Add Keyboard.

src/keyboard/InputModeMenu.cpp

@@ -0,0 +1,114 @@
+#include "InputModeMenu.h"
+#include "ui_InputModeMenu.h"
+
+#include <QListWidget>
+#include <QResizeEvent>
+#include <QPainter>
+
+namespace
+{
+    const QStringList INPUT_MODE_LIST = QStringList() << "En" << "PinYin" << "HandWrite";
+    const QSize MENU_SIZE = QSize(143,148);
+    const int TRIANGLE_WIDTH = 10;
+    const int TRIANGLE_HEIGHT = 10;
+    const int TRIANGLE_WIDTHOFFSEt = -50;
+}
+
+InputModeMenu::InputModeMenu(QWidget *aParent)
+    : QWidget(aParent)
+    , mMenuList(new QListWidget(this))
+{
+    setAttribute(Qt::WA_TranslucentBackground, true);
+    setGeometry(0,0,MENU_SIZE.width(),MENU_SIZE.height());
+    connect(mMenuList,&QListWidget::itemClicked,this,&InputModeMenu::switchInputMode);
+    initializeInputModeList();
+    setWindowFlags( Qt::FramelessWindowHint |Qt::WindowStaysOnTopHint | Qt::Tool | Qt::WindowDoesNotAcceptFocus | Qt::BypassWindowManagerHint);
+}
+
+InputModeMenu::~InputModeMenu()
+{
+    delete mMenuList;
+}
+
+void InputModeMenu::initializeInputModeList()
+{
+    mMenuList->addItems(INPUT_MODE_LIST);
+}
+
+void InputModeMenu::resizeEvent(QResizeEvent *aEvent)
+{
+    if (nullptr == aEvent)
+    {
+        return;
+    }
+    QSize size = aEvent->size();
+    mMenuList->setGeometry(5,5,size.width()-10,size.height()-20);
+
+    for(int i=0;i<mMenuList->count();++i)
+    {
+        mMenuList->item(i)->setSizeHint(QSize(mMenuList->size().width()-2,mMenuList->size().height()/INPUT_MODE_LIST.count() -2));
+    }
+}
+
+void InputModeMenu::paintEvent(QPaintEvent *aEvent)
+{
+    QPainter painter(this);
+    QLinearGradient linearGradient(0.5, 0, 0.5, 1);
+    linearGradient.setColorAt(0, "#f7f7f7");
+    linearGradient.setColorAt(1, "#ffffff");
+
+    QBrush brush(linearGradient);
+    painter.setBrush(brush);
+    painter.setPen(Qt::NoPen);
+
+    QRect rect = geometry();
+    int w = rect.width();
+    int h = rect.height();
+
+    QPolygon triangle;
+    triangle.setPoints(3,w/2+TRIANGLE_WIDTHOFFSEt,h-1,w/2-TRIANGLE_WIDTH+TRIANGLE_WIDTHOFFSEt,h-TRIANGLE_HEIGHT,w/2+TRIANGLE_WIDTH+TRIANGLE_WIDTHOFFSEt,h-TRIANGLE_HEIGHT);
+    painter.drawRoundedRect(0,0,w-1,h-TRIANGLE_HEIGHT,5,5);
+    painter.drawPolygon(triangle);
+
+    QWidget::paintEvent(aEvent);
+}
+
+void InputModeMenu::setCurrentInputMode(InputMode aInputMode)
+{
+    switch (aInputMode)
+    {
+    case InputMode::LowMode:
+        mMenuList->setCurrentRow(0);
+        break;
+    case InputMode::ChineseMode:
+        mMenuList->setCurrentRow(1);
+        break;
+    case InputMode::HandWriteMode:
+        mMenuList->setCurrentRow(2);
+        break;
+    default:
+        mMenuList->setCurrentRow(0);
+        break;
+    }
+}
+
+void InputModeMenu::switchInputMode(QListWidgetItem* aItem)
+{
+    if (nullptr == aItem)
+    {
+        return ;
+    }
+
+    if ( INPUT_MODE_LIST.at(0) == aItem->text())
+    {
+        emit inputModeSelected(InputMode::LowMode);
+    }
+    else if(INPUT_MODE_LIST.at(1) == aItem->text())
+    {
+        emit inputModeSelected(InputMode::ChineseMode);
+    }
+    else if(INPUT_MODE_LIST.at(2) == aItem->text())
+    {
+        emit inputModeSelected(InputMode::HandWriteMode);
+    }
+}