C++ QTextEdit::insertPlainText方法代码示例

void Dialog::onMessageToGui(QString name, QString mes)
{
    QTextEdit *output = ui->te_outputMess;
    output->moveCursor(QTextCursor::End);
    output->setTextColor(Qt::blue);
    output->insertPlainText(QTime::currentTime().toString());
    output->setTextColor(Qt::red);
    output->insertPlainText("<"+name+">");
    output->setTextColor(Qt::black);
    output->insertPlainText(mes+"\n");
}

void MainWindow::on_pushButton_clicked()
{
    RFC1664 rfc;
    cout << "Envoi du message au serveur !" << endl;
    int i;
    QString msg = ui->lineEdit->text();
    string msgCom = rfc.createMsgCom(ui->label_pseudo->text().toStdString(), "", msg.toStdString(), ui->QTabWidget_onglets->tabText(ui->QTabWidget_onglets->currentIndex()).toStdString());

    if(this->getLeftNeighboor() != NULL) {
        cout << "J'ai un voisin a gauche et je vais lui envoyer le message [" << msgCom << "]" << endl;
        NetworkUDP::sendDatagrams(this->socketClients->getSocket(), (char*)msgCom.c_str(), strlen(msgCom.c_str()), (SOCKADDR*)this->getLeftNeighboor()->getSockAddr(), this->socketClients->getAddrinfo());
    }

    if(this->getRightNeighboor() != NULL) {
        cout << "J'ai un voisin a droite et je vais lui envoyer le message [" << msgCom << "]" << endl;
        NetworkUDP::sendDatagrams(this->socketClients->getSocket(), (char*)msgCom.c_str(), strlen(msgCom.c_str()), (SOCKADDR*)this->getRightNeighboor()->getSockAddr(), this->socketClients->getAddrinfo());
    }

    this->ui->lineEdit->clear();

    // Saisie du message envoyé dans l'IHM et dans le bon salon
    msgCom = ui->label_pseudo->text().toStdString();
    msgCom += " - ";
    msgCom += msg.toStdString();
    msgCom += "\n";

    QTextEdit *text;

    text = this->getRoomLists().take(ui->QTabWidget_onglets->tabText(ui->QTabWidget_onglets->currentIndex()));
    text->moveCursor(QTextCursor::End);
    text->insertPlainText(QString(msgCom.c_str()));
}

void startDialog::WriteLog(const char *logText)
{
	QTextEdit *pEdit = ui->LogText;
	pEdit->moveCursor(QTextCursor::End);
	pEdit->insertPlainText(QString(logText));
	pEdit->moveCursor(QTextCursor::End, QTextCursor::KeepAnchor);

}

bool FindDialog::replace() {
    bool found = find();
    QTextEdit* textEdit = getCurrentTextEdit();
    if (textEdit == NULL) return false;
    if (found == false) return false;
    textEdit->cut();
    textEdit->insertPlainText(ui->replaceString->text());
    return true;
}

/**
 * Inserts an image tag corresponding to the clicked smiley
 * into the message-textbox.
 * @brief MainWindow::on_lstSmileys_doubleClicked
 */
void MainWindow::on_lstSmileys_doubleClicked(const QModelIndex &index)
{
    QString img = "<img src=\"images/smileys/small/" + QString::number(index.row()) + ".png\" />";
    QTextEdit* txtMsg = ui->txtMessage;

    if(ui->tabgrpConversations->currentIndex() != 0)
    {
        txtMsg = ui->tabgrpConversations->currentWidget()->findChild<QTextEdit*>(CONVO_TAB_MSG_ID);
    }
    txtMsg->insertPlainText(img);
    txtMsg->setFocus();
}

static int luatiled_qtprint (lua_State *L) {
    int n = lua_gettop(L);  /* number of arguments */
    int i;
    lua_pushstring(L, "__scriptdock__");
    lua_gettable(L, LUA_REGISTRYINDEX);
    QTextEdit* scriptDockOutput = reinterpret_cast<QTextEdit*>(lua_touserdata(L, -1));
    lua_getglobal(L, "tostring");
    for (i=1; i<=n; i++) {
        const char *s;
        lua_pushvalue(L, -1);  /* function to be called */
        lua_pushvalue(L, i);   /* value to print */
        lua_call(L, 1, 1);
        s = lua_tostring(L, -1);  /* get result */
        if (s == NULL)
            return luaL_error(L, LUA_QL("tostring") " must return a string to "
                              LUA_QL("print"));
        if (i>1) scriptDockOutput->insertPlainText(QObject::tr("\t"));
        scriptDockOutput->insertPlainText(QObject::tr(s));
        lua_pop(L, 1);  /* pop result */
    }
    scriptDockOutput->insertPlainText(QObject::tr("\n"));
    return 0;
}

/*********************通过键盘输入字符QLineEdit********************************/
void Keyboard::Input_letter_to_linEdit(const QString letter)
{
//    if(Flag_InputMode==LETTER)
    QWidget *q = QApplication::focusWidget();
    QLineEdit *e;
    QTextEdit *t;

    if (q != NULL)
    {
        e = dynamic_cast<QLineEdit *>(q);//dynamic_cast用于判断q的类型是否为QLineEdit如果是，那么e就为QLineEdit。
        if (e != NULL) e->insert(letter);

        t = dynamic_cast<QTextEdit *>(q);
        if (t != NULL) t->insertPlainText(letter);
    }
}

void Ventana_Principal::on_bt_buscar_3_clicked()
{
    Pestana *actual = (Pestana*)ui->tabWidget->currentWidget();

    if(actual != NULL){

        QTextEdit *editor = actual->textedit();

        int fw1 = editor->fontWeight();
        QColor gris1 = QColor("red");
        editor->setFontWeight(QFont::DemiBold);
        editor->setTextColor(QColor(gris1));
        editor->insertPlainText("hola");
        editor->setFontWeight(fw1);
        editor->setTextColor(gris1);
    }
    //this->AnalisisJSLT();

}

bool
ShaderFactory::loadShader(GLhandleARB &progObj,
			  QString shaderString)
{
  GLhandleARB fragObj = glCreateShaderObjectARB(GL_FRAGMENT_SHADER_ARB);  
  glAttachObjectARB(progObj, fragObj);

  GLhandleARB vertObj = glCreateShaderObjectARB(GL_VERTEX_SHADER_ARB);  
  glAttachObjectARB(progObj, vertObj);

  {  // vertObj
    QString qstr;
    qstr = "varying vec3 pointpos;\n";
    qstr += "void main(void)\n";
    qstr += "{\n";
    qstr += "  // Transform vertex position into homogenous clip-space.\n";
    qstr += "  gl_FrontColor = gl_Color;\n";
    qstr += "  gl_BackColor = gl_Color;\n";
    qstr += "  gl_Position = ftransform();\n";
    qstr += "  gl_TexCoord[0] = gl_TextureMatrix[0] * gl_MultiTexCoord0;\n";
    qstr += "  gl_TexCoord[1] = gl_TextureMatrix[1] * gl_MultiTexCoord1;\n";
    qstr += "  gl_TexCoord[2] = gl_TextureMatrix[2] * gl_MultiTexCoord2;\n";
    qstr += "  gl_ClipVertex = gl_ModelViewMatrix * gl_Vertex;\n";
    qstr += "  pointpos = gl_Vertex.xyz;\n";
    qstr += "}\n";
    
    int len = qstr.length();
    char *tbuffer = new char[len+1];
    sprintf(tbuffer, qstr.toLatin1().data());
    const char *sstr = tbuffer;
    glShaderSourceARB(vertObj, 1, &sstr, NULL);
    delete [] tbuffer;

    GLint compiled = -1;
    glCompileShaderARB(vertObj);
    glGetObjectParameterivARB(vertObj,
			      GL_OBJECT_COMPILE_STATUS_ARB,
			      &compiled);
    if (!compiled)
      {
	GLcharARB str[1000];
	GLsizei len;
	glGetInfoLogARB(vertObj,
			(GLsizei) 1000,
			&len,
			str);
	
	QMessageBox::information(0,
				 "Error : Vertex Shader",
				 str);
	return false;
    }
  }
    
    
  { // fragObj
    int len = shaderString.length();
    char *tbuffer = new char[len+1];
    sprintf(tbuffer, shaderString.toLatin1().data());
    const char *sstr = tbuffer;
    glShaderSourceARB(fragObj, 1, &sstr, NULL);
    delete [] tbuffer;
  
    GLint compiled = -1;
    glCompileShaderARB(fragObj);
    glGetObjectParameterivARB(fragObj,
			    GL_OBJECT_COMPILE_STATUS_ARB,
			      &compiled);
    if (!compiled)
      {
	GLcharARB str[1000];
	GLsizei len;
	glGetInfoLogARB(fragObj,
			(GLsizei) 1000,
			&len,
			str);
	
	//-----------------------------------
	// display error
	
	//qApp->beep();
	
	QString estr;
	QStringList slist = shaderString.split("\n");
	for(int i=0; i<slist.count(); i++)
	  estr += QString("%1 : %2\n").arg(i+1).arg(slist[i]);
	
	QTextEdit *tedit = new QTextEdit();
	tedit->insertPlainText("-------------Error----------------\n\n");
	tedit->insertPlainText(str);
	tedit->insertPlainText("\n-----------Shader---------------\n\n");
	tedit->insertPlainText(estr);
	
	QVBoxLayout *layout = new QVBoxLayout();
	layout->addWidget(tedit);
	
	QDialog *showError = new QDialog();
	showError->setWindowTitle("Error in Fragment Shader");
	showError->setSizeGripEnabled(true);
	showError->setModal(true);
//.........这里部分代码省略.........

void QgsCptCityColorRampDialog::pbtnLicenseDetails_pressed()
{
  QString path, title, copyFile, descFile;

  // get basic information, depending on if is color ramp or directory
  QgsCptCityDataItem *item = mModel->dataItem( mTreeFilter->mapToSource( mTreeView->currentIndex() ) );
  if ( ! item )
    return;

  path = item->path();
  if ( item->type() == QgsCptCityDataItem::Directory )
  {
    title = tr( "%1 Directory Details" ).arg( item->path() );
  }
  else if ( item->type() == QgsCptCityColorRampItem::Directory )
  {
    title = tr( "%1 Gradient Details" ).arg( path );
  }
  else
  {
    return;
  }
  copyFile = mArchive->copyingFileName( path );
  descFile = mArchive->descFileName( path );

  // prepare dialog
  QgsDialog dlg( this, nullptr, QDialogButtonBox::Close );
  QVBoxLayout *layout = dlg.layout();
  dlg.setWindowTitle( title );
  QTextEdit *textEdit = new QTextEdit( &dlg );
  textEdit->setReadOnly( true );
  layout->addWidget( textEdit );

  // add contents of DESC.xml and COPYING.xml
  QString copyText;
  if ( ! copyFile.isNull() )
  {
    QFile file( copyFile );
    if ( file.open( QIODevice::ReadOnly | QIODevice::Text ) )
    {
      copyText = QString( file.readAll() );
      file.close();
    }
  }
  QString descText;
  if ( ! descFile.isNull() )
  {
    QFile file( descFile );
    if ( file.open( QIODevice::ReadOnly | QIODevice::Text ) )
    {
      descText = QString( file.readAll() );
      file.close();
    }
  }
  textEdit->insertPlainText( title + "\n\n" );
  textEdit->insertPlainText( QStringLiteral( "===================" ) );
  textEdit->insertPlainText( QStringLiteral( " copying " ) );
  textEdit->insertPlainText( QStringLiteral( "===================\n" ) );
  textEdit->insertPlainText( copyText );
  textEdit->insertPlainText( QStringLiteral( "\n" ) );
  textEdit->insertPlainText( QStringLiteral( "==================" ) );
  textEdit->insertPlainText( QStringLiteral( " description " ) );
  textEdit->insertPlainText( QStringLiteral( "==================\n" ) );
  textEdit->insertPlainText( descText );
  textEdit->moveCursor( QTextCursor::Start );

  dlg.resize( 600, 600 );
  dlg.exec();
}