Qt 软键盘设计

        最近有客户用的电脑是触屏的，所以不用键盘与鼠标，系统的键盘不好看，所以自己设计一个键盘显示，先看下效果图；

设计思路，构建一个软键盘设计界面并重写输入框，然后做界面提升,直接上代码

class CustomLineEdit : public QLineEdit
{Q_OBJECTpublic:CustomLineEdit(QWidget *parent = Q_NULLPTR);~CustomLineEdit();protected:bool eventFilter(QObject* sender, QEvent* event);};CustomLineEdit::CustomLineEdit(QWidget *parent): QLineEdit(parent)
{installEventFilter(this);
}CustomLineEdit::~CustomLineEdit()
{}bool CustomLineEdit::eventFilter(QObject* sender, QEvent* event)
{if (event->type() == QEvent::MouseButtonPress){if (!ClientLogic::GetKeyboardStatus()){SystemParams sysParams;ClientLogic::GetSystemParams(sysParams);if (sysParams.m_bSoftKeyboard){ClientLogic::SetKeyboardStatus(true);auto pSoftKeyBoard = ivmsClient::getInstance()->GetSoftKeyBoard();if (pSoftKeyBoard){pSoftKeyBoard->show();}/*	DialogSoftKeyBoard dlgKeyBoard;dlgKeyBoard.exec();*/}}}return QLineEdit::eventFilter(sender, event);
}
#ifndef DialogSoftKeyBoard_h__
#define DialogSoftKeyBoard_h__#include <QDialog>
#include <QVector>
#include <QLabel>
#include <QMap>
#include <QMouseEvent>
#include <QListWidgetItem>#ifdef WIN32
#pragma execution_character_set("utf-8")
#endifnamespace Ui {class DialogSoftKeyBoard;
};class DialogSoftKeyBoard : public QDialog
{Q_OBJECTpublic:DialogSoftKeyBoard(QWidget *parent = Q_NULLPTR);~DialogSoftKeyBoard();protected:/// 鼠标事件重写virtual void mouseMoveEvent(QMouseEvent *event);virtual void mousePressEvent(QMouseEvent *event);virtual void mouseReleaseEvent(QMouseEvent *event);private slots:void slotKeyButtonClicked();void slotKeyLetterButtonClicked();void slotKeyNumberButtonClicked();void on_listWidget_itemClicked(QListWidgetItem *item);void on_toolButton_lastPage_clicked();void on_toolButton_nextPage_clicked();void on_ButtonClose_clicked();private:void initFrm();void loadChineseFontData();void findChineseFontData(QString text);void addOneItem(QString text);QString OnLoadQssStyle(const QString& filePath, const QString& fileName);private:Ui::DialogSoftKeyBoard *ui;QMap<QString, QList<QPair<QString, QString>>> m_data;bool		m_bIsChinese = false;QString		m_recordLitterBuf;QVector<QPushButton*> m_letterKeys;QVector<QPushButton*> m_NumberKeys;QMap<QString, Qt::Key> m_mapSymbolKeys;QStringList m_showTextList;int m_curPage = 0;QLabel* m_labelShowPinyin;Qt::KeyboardModifier m_curModifier = Qt::NoModifier;bool        m_bPressed = false;QPoint      m_ptPressStart = { 0, 0 };
};#endif // DialogSoftKeyBoard_h__

#include "DialogSoftKeyBoard.h"
#include "ui_DialogSoftKeyBoard.h"
#include <QPushButton>
#include <QKeyEvent>
#include <QDebug>
#include <QStyle>
#include <QListWidgetItem>
#include <QLabel>
#include <QVBoxLayout>
#include <QToolTip>
#include "ClientLogic.h"DialogSoftKeyBoard::DialogSoftKeyBoard(QWidget *parent): QDialog(parent)
{ui = new Ui::DialogSoftKeyBoard();ui->setupUi(this);setWindowTitle("键盘");setWindowFlags(Qt::WindowStaysOnTopHint | Qt::Dialog | Qt::WindowDoesNotAcceptFocus | Qt::FramelessWindowHint);setWindowModality(Qt::WindowModal);setAttribute(Qt::WA_TranslucentBackground);ui->listWidget->setEnabled(false);initFrm();loadChineseFontData();QString DirPathStr = QCoreApplication::applicationDirPath();QString qssPath = DirPathStr + "/Clientqss";QString qssFile = OnLoadQssStyle(qssPath, "/DialogSoftKeyBoard.qss");this->setStyleSheet(qssFile);ui->frame->installEventFilter(this);ui->listWidget->installEventFilter(this);
}DialogSoftKeyBoard::~DialogSoftKeyBoard()
{ClientLogic::SetKeyboardStatus(false);delete ui;
}void DialogSoftKeyBoard::mouseMoveEvent(QMouseEvent *event)
{if (m_bPressed){auto gEndPos = event->globalPos();this->move(pos() + (gEndPos - m_ptPressStart));m_ptPressStart = gEndPos;}event->ignore();
}void DialogSoftKeyBoard::mousePressEvent(QMouseEvent *event)
{auto gPos = event->globalPos();auto gLeftTop = this->frameGeometry().topLeft();if (event->button() == Qt::LeftButton &&ui->listWidget->frameRect().contains(gPos - gLeftTop)){m_bPressed = true;m_ptPressStart = gPos;}event->ignore();
}void DialogSoftKeyBoard::mouseReleaseEvent(QMouseEvent *event)
{if (event->button() == Qt::LeftButton){m_bPressed = false;}event->ignore();
}QString DialogSoftKeyBoard::OnLoadQssStyle(const QString& filePath, const QString& fileName)
{QString qssFile = "";QFile file(filePath + fileName);file.open(QFile::ReadOnly);if (file.isOpen()){qssFile = QString::fromLocal8Bit(file.readAll());file.close();}return qssFile;
}void DialogSoftKeyBoard::slotKeyButtonClicked()
{QPushButton* pbtn = (QPushButton*)sender();QString objectName = pbtn->objectName();if (pbtn->text().contains("BACKSPACE")){if (m_bIsChinese){if (m_recordLitterBuf.size() > 0){m_recordLitterBuf.remove(m_recordLitterBuf.size() - 1, 1);findChineseFontData(m_recordLitterBuf);if (!m_labelShowPinyin->text().isEmpty())m_labelShowPinyin->setText(m_recordLitterBuf);}else{QKeyEvent keyPress(QEvent::KeyPress, Qt::Key_Backspace, m_curModifier);QKeyEvent keyRelease(QEvent::KeyRelease, Qt::Key_Backspace, m_curModifier);QApplication::sendEvent(qApp->focusWidget() == nullptr ? this : qApp->focusWidget(), &keyPress);QApplication::sendEvent(qApp->focusWidget() == nullptr ? this : qApp->focusWidget(), &keyRelease);}}else{QKeyEvent keyPress(QEvent::KeyPress, Qt::Key_Backspace, m_curModifier);QKeyEvent keyRelease(QEvent::KeyRelease, Qt::Key_Backspace, m_curModifier);QApplication::sendEvent(qApp->focusWidget() == nullptr ? this : qApp->focusWidget(), &keyPress);QApplication::sendEvent(qApp->focusWidget() == nullptr ? this : qApp->focusWidget(), &keyRelease);}}else if (pbtn->text().contains("CAPS")){if (pbtn->isChecked()){for (auto pbtnKey : m_letterKeys){pbtnKey->setText(pbtnKey->text().toUpper());}}else{for (auto pbtnKey : m_letterKeys){pbtnKey->setText(pbtnKey->text().toLower());}}}else if (pbtn->text() == "SPACE"){if (!isActiveWindow()){QKeyEvent keyPress(QEvent::KeyPress, Qt::Key_Space, m_curModifier, " ");QKeyEvent keyRelease(QEvent::KeyRelease, Qt::Key_Space, m_curModifier, " ");QApplication::sendEvent(qApp->focusWidget() == nullptr ? this : qApp->focusWidget(), &keyPress);QApplication::sendEvent(qApp->focusWidget() == nullptr ? this : qApp->focusWidget(), &keyRelease);}}else if (pbtn->text().contains("TAB")){//QKeyEvent keyPress(QEvent::KeyPress, Qt::Key_Tab, m_curModifier);//QKeyEvent keyRelease(QEvent::KeyRelease, Qt::Key_Tab, m_curModifier);//QApplication::sendEvent(qApp->focusWidget() == nullptr ? this : qApp->focusWidget(), &keyPress);//QApplication::sendEvent(qApp->focusWidget() == nullptr ? this : qApp->focusWidget(), &keyRelease);}else if (pbtn->text().contains("ENTER")){if (!isActiveWindow()){QKeyEvent keyPress(QEvent::KeyPress, Qt::Key_Enter, m_curModifier);QKeyEvent keyRelease(QEvent::KeyRelease, Qt::Key_Enter, m_curModifier);QApplication::sendEvent(qApp->focusWidget() == nullptr ? this : qApp->focusWidget(), &keyPress);QApplication::sendEvent(qApp->focusWidget() == nullptr ? this : qApp->focusWidget(), &keyRelease);}}else if (pbtn->text().contains("SHIFT")){if (pbtn->isChecked()) {m_bIsChinese = true;m_curModifier = Qt::ShiftModifier;ui->listWidget->setEnabled(true);/*for (auto pbtnKey : m_letterKeys) {pbtnKey->setText(pbtnKey->text().toUpper());}*/}else {ui->listWidget->setEnabled(false);m_bIsChinese = false;ui->listWidget->clear();m_showTextList.clear();m_curPage = 0;m_labelShowPinyin->clear();m_recordLitterBuf.clear();m_curModifier = Qt::NoModifier;for (auto pbtnKey : m_letterKeys) {pbtnKey->setText(pbtnKey->text().toLower());}}QKeyEvent keyPress(QEvent::KeyPress, Qt::Key_Shift, m_curModifier);QKeyEvent keyRelease(QEvent::KeyRelease, Qt::Key_Shift, m_curModifier);QApplication::sendEvent(qApp->focusWidget() == nullptr ? this : qApp->focusWidget(), &keyPress);QApplication::sendEvent(qApp->focusWidget() == nullptr ? this : qApp->focusWidget(), &keyRelease);}else if (pbtn->text().contains("CTRL")) {if (pbtn->isChecked())m_curModifier = Qt::ControlModifier;elsem_curModifier = Qt::NoModifier;QKeyEvent keyPress(QEvent::KeyPress, Qt::Key_Control, m_curModifier);QKeyEvent keyRelease(QEvent::KeyRelease, Qt::Key_Control, m_curModifier);QApplication::sendEvent(qApp->focusWidget() == nullptr ? this : qApp->focusWidget(), &keyPress);QApplication::sendEvent(qApp->focusWidget() == nullptr ? this : qApp->focusWidget(), &keyRelease);}else if (pbtn->text().contains("WIN")){if (pbtn->isChecked())m_curModifier = Qt::MetaModifier;elsem_curModifier = Qt::NoModifier;QKeyEvent keyPress(QEvent::KeyPress, Qt::Key_Meta, m_curModifier);QKeyEvent keyRelease(QEvent::KeyRelease, Qt::Key_Meta, m_curModifier);QApplication::sendEvent(qApp->focusWidget() == nullptr ? this : qApp->focusWidget(), &keyPress);QApplication::sendEvent(qApp->focusWidget() == nullptr ? this : qApp->focusWidget(), &keyRelease);}else if (pbtn->text().contains("ALT")) {if (pbtn->isChecked())m_curModifier = Qt::AltModifier;elsem_curModifier = Qt::NoModifier;QKeyEvent keyPress(QEvent::KeyPress, Qt::Key_Alt, m_curModifier);QKeyEvent keyRelease(QEvent::KeyRelease, Qt::Key_Alt, m_curModifier);QApplication::sendEvent(qApp->focusWidget() == nullptr ? this : qApp->focusWidget(), &keyPress);QApplication::sendEvent(qApp->focusWidget() == nullptr ? this : qApp->focusWidget(), &keyRelease);}else if(objectName == "ButtonTop")// (pbtn->text().contains("↑")) {QKeyEvent keyPress(QEvent::KeyPress, Qt::Key_Up, m_curModifier);QKeyEvent keyRelease(QEvent::KeyRelease, Qt::Key_Up, m_curModifier);QApplication::sendEvent(qApp->focusWidget() == nullptr ? this : qApp->focusWidget(), &keyPress);QApplication::sendEvent(qApp->focusWidget() == nullptr ? this : qApp->focusWidget(), &keyRelease);}else if (objectName == "ButtonBottom") //(pbtn->text().contains("↓")) {QKeyEvent keyPress(QEvent::KeyPress, Qt::Key_Down, m_curModifier);QKeyEvent keyRelease(QEvent::KeyRelease, Qt::Key_Down, m_curModifier);QApplication::sendEvent(qApp->focusWidget() == nullptr ? this : qApp->focusWidget(), &keyPress);QApplication::sendEvent(qApp->focusWidget() == nullptr ? this : qApp->focusWidget(), &keyRelease);}else if (objectName == "ButtonLeft") //(pbtn->text().contains("←")) {QKeyEvent keyPress(QEvent::KeyPress, Qt::Key_Left, m_curModifier);QKeyEvent keyRelease(QEvent::KeyRelease, Qt::Key_Left, m_curModifier);QApplication::sendEvent(qApp->focusWidget() == nullptr ? this : qApp->focusWidget(), &keyPress);QApplication::sendEvent(qApp->focusWidget() == nullptr ? this : qApp->focusWidget(), &keyRelease);}else if (objectName == "ButtonRight") //(pbtn->text().contains("→")) {QKeyEvent keyPress(QEvent::KeyPress, Qt::Key_Right, m_curModifier);QKeyEvent keyRelease(QEvent::KeyRelease, Qt::Key_Right, m_curModifier);QApplication::sendEvent(qApp->focusWidget() == nullptr ? this : qApp->focusWidget(), &keyPress);QApplication::sendEvent(qApp->focusWidget() == nullptr ? this : qApp->focusWidget(), &keyRelease);}else if (objectName == "ButtonClose"){ClientLogic::SetKeyboardStatus(false);done(QDialog::Accepted);}else {QString symbol;if (ui->Button_shift->isChecked())symbol = pbtn->text().split("\n").at(0);elsesymbol = pbtn->text().split("\n").at(1);QKeyEvent keyPress(QEvent::KeyPress, m_mapSymbolKeys.value(symbol), m_curModifier, symbol);QKeyEvent keyRelease(QEvent::KeyRelease, m_mapSymbolKeys.value(symbol), m_curModifier, symbol);QApplication::sendEvent(qApp->focusWidget() == nullptr ? this : qApp->focusWidget(), &keyPress);QApplication::sendEvent(qApp->focusWidget() == nullptr ? this : qApp->focusWidget(), &keyRelease);}
}void DialogSoftKeyBoard::slotKeyLetterButtonClicked()
{QPushButton* pbtn = (QPushButton*)sender();if (*(pbtn->text().data()) >= 'a' && *(pbtn->text().data()) <= 'z') {if (m_bIsChinese){m_recordLitterBuf += pbtn->text().toLower();findChineseFontData(m_recordLitterBuf);}else{ui->listWidget->clear();m_showTextList.clear();m_curPage = 0;m_labelShowPinyin->clear();m_recordLitterBuf.clear();QKeyEvent keyPress(QEvent::KeyPress, int(pbtn->text().at(0).toLatin1()) - 32, m_curModifier, pbtn->text());QKeyEvent keyRelease(QEvent::KeyRelease, int(pbtn->text().at(0).toLatin1()) - 32, m_curModifier, pbtn->text());QApplication::sendEvent(qApp->focusWidget() == nullptr ? this : qApp->focusWidget(), &keyPress);QApplication::sendEvent(qApp->focusWidget() == nullptr ? this : qApp->focusWidget(), &keyRelease);}}else if (*(pbtn->text().data()) >= 'A' && *(pbtn->text().data()) <= 'Z') {if (m_bIsChinese){m_recordLitterBuf += pbtn->text().toLower();findChineseFontData(m_recordLitterBuf);}else{ui->listWidget->clear();m_showTextList.clear();m_curPage = 0;m_labelShowPinyin->clear();m_recordLitterBuf.clear();QKeyEvent keyPress(QEvent::KeyPress, int(pbtn->text().at(0).toLatin1()), m_curModifier, pbtn->text());QKeyEvent keyRelease(QEvent::KeyRelease, int(pbtn->text().at(0).toLatin1()), m_curModifier, pbtn->text());QApplication::sendEvent(qApp->focusWidget() == nullptr ? this : qApp->focusWidget(), &keyPress);QApplication::sendEvent(qApp->focusWidget() == nullptr ? this : qApp->focusWidget(), &keyRelease);}}//取消组合键按下//    if (ui.pushButton_shift->isChecked()) {//        ui.pushButton_shift->setChecked(false);//        for (auto pbtnKey : m_letterKeys) {//            pbtnKey->setText(pbtnKey->text().toLower());//        }//    }if (ui->Button_ctrl->isChecked())ui->Button_ctrl->setChecked(false);if (ui->Button_win->isChecked())ui->Button_win->setChecked(false);if (ui->Button_alt->isChecked())ui->Button_alt->setChecked(false);m_curModifier = Qt::NoModifier;
}void DialogSoftKeyBoard::slotKeyNumberButtonClicked()
{QPushButton* pbtn = (QPushButton*)sender();int num = pbtn->text().toInt();if (m_bIsChinese){if (m_recordLitterBuf.size() > 0){if (num > 0 && num <= 9 && ui->listWidget->count() >= num){on_listWidget_itemClicked(ui->listWidget->item(num - 1));}}else{QKeyEvent keyPress(QEvent::KeyPress, num + 48, m_curModifier, pbtn->text());QKeyEvent keyRelease(QEvent::KeyRelease, num + 48, m_curModifier, pbtn->text());QApplication::sendEvent(qApp->focusWidget() == nullptr ? this : qApp->focusWidget(), &keyPress);QApplication::sendEvent(qApp->focusWidget() == nullptr ? this : qApp->focusWidget(), &keyRelease);}}else {QKeyEvent keyPress(QEvent::KeyPress, num + 48, m_curModifier, pbtn->text());QKeyEvent keyRelease(QEvent::KeyRelease, num + 48, m_curModifier, pbtn->text());QApplication::sendEvent(qApp->focusWidget() == nullptr ? this : qApp->focusWidget(), &keyPress);QApplication::sendEvent(qApp->focusWidget() == nullptr ? this : qApp->focusWidget(), &keyRelease);//取消组合键按下//    if (ui.pushButton_shift->isChecked()) {//        ui.pushButton_shift->setChecked(false);//        for (auto pbtnKey : m_letterKeys) {//            pbtnKey->setText(pbtnKey->text().toLower());//        }//    }if (ui->Button_ctrl->isChecked())ui->Button_ctrl->setChecked(false);if (ui->Button_win->isChecked())ui->Button_win->setChecked(false);if (ui->Button_alt->isChecked())ui->Button_alt->setChecked(false);}m_curModifier = Qt::NoModifier;
}void DialogSoftKeyBoard::on_listWidget_itemClicked(QListWidgetItem *item)
{QKeyEvent keyPress(QEvent::KeyPress, 0, m_curModifier, item->text().right(1));QKeyEvent keyRelease(QEvent::KeyRelease, 0, m_curModifier, item->text().right(1));QApplication::sendEvent(qApp->focusWidget() == nullptr ? this : qApp->focusWidget(), &keyPress);QApplication::sendEvent(qApp->focusWidget() == nullptr ? this : qApp->focusWidget(), &keyRelease);ui->listWidget->clear();m_showTextList.clear();m_curPage = 0;m_labelShowPinyin->clear();m_recordLitterBuf.clear();
}void DialogSoftKeyBoard::on_toolButton_lastPage_clicked()
{if (m_curPage <= 0)return;m_curPage--;ui->listWidget->clear();for (int i = m_curPage * 9; i < m_curPage * 9 + 9; i++) {if (i >= m_showTextList.count())break;addOneItem(m_showTextList.at(i));}
}void DialogSoftKeyBoard::on_toolButton_nextPage_clicked()
{if (m_curPage >= m_showTextList.count() / 9)return;m_curPage++;ui->listWidget->clear();for (int i = m_curPage * 9; i < m_curPage * 9 + 9; i++) {if (i >= m_showTextList.count())break;addOneItem(m_showTextList.at(i));}
}void DialogSoftKeyBoard::on_ButtonClose_clicked()
{ClientLogic::SetKeyboardStatus(false);done(QDialog::Accepted);
}void DialogSoftKeyBoard::initFrm()
{m_letterKeys.clear();m_NumberKeys.clear();QList<QPushButton*> pbtns = this->findChildren<QPushButton*>();foreach(QPushButton * pbtn, pbtns) {pbtn->setAutoRepeat(true);    //允许自动重复pbtn->setAutoRepeatDelay(500);//设置重复操作的时延if (*(pbtn->text().data()) >= 'a' && *(pbtn->text().data()) <= 'z') {connect(pbtn, &QPushButton::clicked, this, &DialogSoftKeyBoard::slotKeyLetterButtonClicked);m_letterKeys.push_back(pbtn);}else if (pbtn->text().toInt() > 0 && pbtn->text().toInt() <= 9 || pbtn->text() == "0") {connect(pbtn, &QPushButton::clicked, this, &DialogSoftKeyBoard::slotKeyNumberButtonClicked);m_NumberKeys.push_back(pbtn);}else{connect(pbtn, &QPushButton::clicked, this, &DialogSoftKeyBoard::slotKeyButtonClicked);}}m_labelShowPinyin = new QLabel();QVBoxLayout* vLayout = new QVBoxLayout();vLayout->addWidget(m_labelShowPinyin);vLayout->addStretch();ui->listWidget->setLayout(vLayout);m_mapSymbolKeys.insert("~", Qt::Key_AsciiTilde);m_mapSymbolKeys.insert("`", Qt::Key_nobreakspace);m_mapSymbolKeys.insert("-", Qt::Key_Minus);m_mapSymbolKeys.insert("_", Qt::Key_Underscore);m_mapSymbolKeys.insert("+", Qt::Key_Plus);m_mapSymbolKeys.insert("=", Qt::Key_Equal);m_mapSymbolKeys.insert(",", Qt::Key_Comma);m_mapSymbolKeys.insert(".", Qt::Key_Period);m_mapSymbolKeys.insert("/", Qt::Key_Slash);m_mapSymbolKeys.insert("<", Qt::Key_Less);m_mapSymbolKeys.insert(">", Qt::Key_Greater);m_mapSymbolKeys.insert("?", Qt::Key_Question);m_mapSymbolKeys.insert("[", Qt::Key_BracketLeft);m_mapSymbolKeys.insert("]", Qt::Key_BracketRight);m_mapSymbolKeys.insert("{", Qt::Key_BraceLeft);m_mapSymbolKeys.insert("}", Qt::Key_BraceRight);m_mapSymbolKeys.insert("|", Qt::Key_Bar);m_mapSymbolKeys.insert("\\", Qt::Key_Backslash);m_mapSymbolKeys.insert(":", Qt::Key_Colon);m_mapSymbolKeys.insert(";", Qt::Key_Semicolon);m_mapSymbolKeys.insert("\"", Qt::Key_QuoteLeft);m_mapSymbolKeys.insert("'", Qt::Key_Apostrophe);
}void DialogSoftKeyBoard::loadChineseFontData()
{QString exePath = QCoreApplication::applicationDirPath();exePath += "/PinYin_Chinese.txt";QFile pinyin(exePath);if (!pinyin.open(QIODevice::ReadOnly)) {qDebug() << "Open pinyin file failed!";return;}while (!pinyin.atEnd()) {QString buf = QString::fromUtf8(pinyin.readLine()).trimmed();if (buf.isEmpty())continue;/* 去除#号后的注释内容 */if (buf.left(1) == "#")continue;buf = buf.replace("\t", " ");QString pinyin = buf.mid(1, buf.size() - 1);QString word = buf.mid(0, 1);QString abb;QStringList pinyinList = pinyin.split(" ");for (int i = 0; i < pinyinList.count(); i++) {/* 获得拼音词组的首字母(用于缩写匹配) */abb += pinyinList.at(i).left(1);}QList<QPair<QString, QString>> &tmp = m_data[pinyin.left(1)];/* 将'拼音(缩写)'和'词组'写入匹配容器 */tmp.append(qMakePair(abb, word));/* 将'拼音(全拼)'和'词组'写入匹配容器 */tmp.append(qMakePair(pinyin.remove(" "), word));}qDebug() << m_data.size();pinyin.close();
}void DialogSoftKeyBoard::findChineseFontData(QString text)
{QString lowerText = text.toLower();m_labelShowPinyin->setText(lowerText);for (int i = 0; i < ui->listWidget->count(); i++) {QListWidgetItem *item = ui->listWidget->takeItem(i);delete item;item = NULL;}ui->listWidget->clear();m_showTextList.clear();m_curPage = 0;if (lowerText.count() <= 0)return;const QList<QPair<QString, QString> > &tmp = m_data[lowerText.left(1)];bool fond = false;for (int i = 0; i < tmp.count(); i++) {const QPair<QString, QString> &each = tmp.at(i);if (each.first.left(lowerText.count()) != lowerText)continue;fond = true;addOneItem(each.second);m_showTextList.push_back(each.second);}if (!fond){if (m_recordLitterBuf.count() > 1){m_recordLitterBuf = m_recordLitterBuf.right(1);findChineseFontData(m_recordLitterBuf);}else{QKeyEvent keyPress(QEvent::KeyPress, int(m_recordLitterBuf.at(0).toLatin1()), m_curModifier, m_recordLitterBuf);QKeyEvent keyRelease(QEvent::KeyRelease, int(m_recordLitterBuf.at(0).toLatin1()), m_curModifier, m_recordLitterBuf);QApplication::sendEvent(qApp->focusWidget() == nullptr ? this : qApp->focusWidget(), &keyPress);QApplication::sendEvent(qApp->focusWidget() == nullptr ? this : qApp->focusWidget(), &keyRelease);}}
}void DialogSoftKeyBoard::addOneItem(QString text)
{if (ui->listWidget->count() >= 9)return;QString itemText = QString("%1.%2").arg(ui->listWidget->count() + 1).arg(text);QListWidgetItem *item = new QListWidgetItem(itemText);QFont font;font.setPointSize(15);font.setBold(true);font.setWeight(50);item->setFont(font);/* 设置文字居中 */item->setTextAlignment(Qt::AlignBottom | Qt::AlignHCenter);bool isChineseFlag = QRegExp("^[\u4E00-\u9FA5]+").indexIn(text.left(1)) != -1;int width = font.pointSize();if (isChineseFlag)width += itemText.count()*font.pointSize()*1.5;elsewidth += itemText.count()*font.pointSize() * 2 / 3;item->setSizeHint(QSize(width, 50));ui->listWidget->addItem(item);
}

<?xml version="1.0" encoding="UTF-8"?>
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'</string></property></widget></item><item><widget class="QPushButton" name="Button_enter"><property name="minimumSize"><size><width>120</width><height>50</height></size></property><property name="maximumSize"><size><width>120</width><height>50</height></size></property><property name="font"><font><pointsize>15</pointsize></font></property><property name="text"><string>ENTER</string></property></widget></item></layout></item><item row="4" column="0"><layout class="QHBoxLayout" name="horizontalLayout_16"><property name="spacing"><number>6</number></property><property name="bottomMargin"><number>0</number></property><item><widget class="QPushButton" name="Button_shift"><property name="minimumSize"><size><width>100</width><height>50</height></size></property><property name="maximumSize"><size><width>100</width><height>50</height></size></property><property name="font"><font><pointsize>15</pointsize></font></property><property name="toolTip"><string>En/Ch</string></property><property name="text"><string>SHIFT</string></property><property name="checkable"><bool>true</bool></property></widget></item><item><widget class="QPushButton" name="Button_Z"><property name="minimumSize"><size><width>50</width><height>50</height></size></property><property name="font"><font><pointsize>15</pointsize></font></property><property name="text"><string>z</string></property></widget></item><item><widget class="QPushButton" name="Button_X"><property name="minimumSize"><size><width>50</width><height>50</height></size></property><property name="font"><font><pointsize>15</pointsize></font></property><property name="text"><string>x</string></property></widget></item><item><widget class="QPushButton" name="Button_C"><property name="minimumSize"><size><width>50</width><height>50</height></size></property><property name="font"><font><pointsize>15</pointsize></font></property><property name="text"><string>c</string></property></widget></item><item><widget class="QPushButton" name="Button_V"><property name="minimumSize"><size><width>50</width><height>50</height></size></property><property name="font"><font><pointsize>15</pointsize></font></property><property name="text"><string>v</string></property></widget></item><item><widget class="QPushButton" name="Button_B"><property name="minimumSize"><size><width>50</width><height>50</height></size></property><property name="font"><font><pointsize>15</pointsize></font></property><property name="text"><string>b</string></property></widget></item><item><widget class="QPushButton" name="Button_N"><property name="minimumSize"><size><width>50</width><height>50</height></size></property><property name="font"><font><pointsize>15</pointsize></font></property><property name="text"><string>n</string></property></widget></item><item><widget class="QPushButton" name="Button_M"><property name="minimumSize"><size><width>50</width><height>50</height></size></property><property name="font"><font><pointsize>15</pointsize></font></property><property name="text"><string>m</string></property></widget></item><item><widget class="QPushButton" name="pushButton_6"><property name="minimumSize"><size><width>50</width><height>50</height></size></property><property name="font"><font><pointsize>15</pointsize></font></property><property name="text"><string>&lt;
,</string></property></widget></item><item><widget class="QPushButton" name="pushButton_7"><property name="minimumSize"><size><width>50</width><height>50</height></size></property><property name="font"><font><pointsize>15</pointsize></font></property><property name="text"><string>&gt;
.</string></property></widget></item><item><widget class="QPushButton" name="pushButton_8"><property name="minimumSize"><size><width>50</width><height>50</height></size></property><property name="font"><font><pointsize>15</pointsize></font></property><property name="text"><string>?
/</string></property></widget></item><item><widget class="QPushButton" name="ButtonTop"><property name="minimumSize"><size><width>163</width><height>50</height></size></property><property name="maximumSize"><size><width>163</width><height>50</height></size></property><property name="font"><font><pointsize>15</pointsize></font></property><property name="text"><string>↑</string></property></widget></item></layout></item><item row="5" column="0"><layout class="QHBoxLayout" name="horizontalLayout_17"><property name="spacing"><number>6</number></property><property name="bottomMargin"><number>0</number></property><item><widget class="QPushButton" name="Button_ctrl"><property name="minimumSize"><size><width>70</width><height>50</height></size></property><property name="maximumSize"><size><width>70</width><height>50</height></size></property><property name="font"><font><pointsize>15</pointsize></font></property><property name="text"><string>CTRL</string></property><property name="checkable"><bool>true</bool></property></widget></item><item><widget class="QPushButton" name="Button_win"><property name="minimumSize"><size><width>50</width><height>50</height></size></property><property name="maximumSize"><size><width>50</width><height>50</height></size></property><property name="font"><font><pointsize>15</pointsize></font></property><property name="text"><string>WIN</string></property><property name="checkable"><bool>true</bool></property></widget></item><item><widget class="QPushButton" name="Button_alt"><property name="minimumSize"><size><width>50</width><height>50</height></size></property><property name="maximumSize"><size><width>50</width><height>50</height></size></property><property name="font"><font><pointsize>15</pointsize></font></property><property name="text"><string>ALT</string></property><property name="checkable"><bool>true</bool></property></widget></item><item><widget class="QPushButton" name="Button_space"><property name="minimumSize"><size><width>500</width><height>50</height></size></property><property name="font"><font><pointsize>15</pointsize></font></property><property name="text"><string>SPACE</string></property></widget></item><item><widget class="QPushButton" name="ButtonLeft"><property name="minimumSize"><size><width>50</width><height>50</height></size></property><property name="maximumSize"><size><width>50</width><height>50</height></size></property><property name="font"><font><pointsize>15</pointsize></font></property><property name="text"><string>←</string></property></widget></item><item><widget class="QPushButton" name="ButtonBottom"><property name="minimumSize"><size><width>50</width><height>50</height></size></property><property name="maximumSize"><size><width>50</width><height>50</height></size></property><property name="font"><font><pointsize>15</pointsize></font></property><property name="text"><string>↓</string></property></widget></item><item><widget class="QPushButton" name="ButtonRight"><property name="minimumSize"><size><width>50</width><height>50</height></size></property><property name="maximumSize"><size><width>50</width><height>50</height></size></property><property name="font"><font><pointsize>15</pointsize></font></property><property name="text"><string>→</string></property></widget></item></layout></item></layout></widget></item></layout></widget><layoutdefault spacing="6" margin="11"/><resources/><connections/>
</ui>

好了，直接干吧！！

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