diff options
Diffstat (limited to 'desktop-utilities/lumina-terminal/TerminalWidget.cpp')
| -rw-r--r-- | desktop-utilities/lumina-terminal/TerminalWidget.cpp | 504 |
1 files changed, 0 insertions, 504 deletions
diff --git a/desktop-utilities/lumina-terminal/TerminalWidget.cpp b/desktop-utilities/lumina-terminal/TerminalWidget.cpp deleted file mode 100644 index a90d9846..00000000 --- a/desktop-utilities/lumina-terminal/TerminalWidget.cpp +++ /dev/null @@ -1,504 +0,0 @@ -//=========================================== -// Lumina-DE source code -// Copyright (c) 2015, Ken Moore -// Available under the 3-clause BSD license -// See the LICENSE file for full details -//=========================================== -#include "TerminalWidget.h" - -#include <QProcessEnvironment> -#include <QDebug> -#include <QApplication> -#include <QScrollBar> -#include <QTextBlock> - -#include <LuminaXDG.h> - -//Special control code ending symbols (aside from letters) - -TerminalWidget::TerminalWidget(QWidget *parent, QString dir) : QTextEdit(parent){ - //Setup the text widget - this->setLineWrapMode(QTextEdit::WidgetWidth); - this->setAcceptRichText(false); - this->setOverwriteMode(true); - this->setFocusPolicy(Qt::StrongFocus); - this->setWordWrapMode(QTextOption::NoWrap); - this->setContextMenuPolicy(Qt::CustomContextMenu); - DEFFMT = this->textCursor().charFormat(); //save the default structure for later - CFMT = this->textCursor().charFormat(); //current format - selCursor = this->textCursor(); //used for keeping track of selections - lastCursor = this->textCursor(); - startrow = endrow = -1; - altkeypad = false; - QFontDatabase FDB; - QStringList fonts = FDB.families(QFontDatabase::Latin); - for(int i=0; i<fonts.length(); i++){ - if(FDB.isFixedPitch(fonts[i])){ this->setFont(QFont(fonts[i])); qDebug() << "Using Font:" << fonts[i]; break; } - } - //Create/open the TTY port - PROC = new TTYProcess(this); - qDebug() << "Open new TTY"; - //int fd; - bool ok = PROC->startTTY( QProcessEnvironment::systemEnvironment().value("SHELL","/bin/sh"), QStringList(), dir); - qDebug() << " - opened:" << ok; - this->setEnabled(PROC->isOpen()); - contextMenu = new QMenu(this); - copyA = contextMenu->addAction(LXDG::findIcon("edit-copy"), tr("Copy Selection"), this, SLOT(copySelection()) ); - pasteA = contextMenu->addAction(LXDG::findIcon("edit-paste"), tr("Paste"), this, SLOT(pasteSelection()) ); - //Connect the signals/slots - connect(PROC, SIGNAL(readyRead()), this, SLOT(UpdateText()) ); - connect(PROC, SIGNAL(processClosed()), this, SLOT(ShellClosed()) ); - -} - -TerminalWidget::~TerminalWidget(){ - aboutToClose(); -} - -void TerminalWidget::aboutToClose(){ - if(PROC->isOpen()){ PROC->closeTTY(); } //TTY PORT -} - -// ================== -// PRIVATE -// ================== -void TerminalWidget::InsertText(QString txt){ - if(txt.isEmpty()){ return; } - //qDebug() << "Insert Text:" << txt << "Cursor Pos:" << this->textCursor().position() << "Column:" << this->textCursor().columnNumber(); - QTextCursor cur = this->textCursor(); - cur.setCharFormat(CFMT); - cur.insertText( txt, CFMT); - this->setTextCursor(cur); -} - -void TerminalWidget::applyData(QByteArray data){ - //Make sure the current cursor is the right cursor - if(this->textCursor()==selCursor){ this->setTextCursor(lastCursor); } - //Iterate through the data and apply it when possible - QByteArray chars; - //qDebug() << "Data:" << data; - for(int i=0; i<data.size(); i++){ - if( data.at(i)=='\b' ){ - //Flush current text buffer to widget - //Simple cursor backward 1 (NOT backspace in this context!! - this widget should be in "insert" mode instead) - InsertText(chars); chars.clear(); - this->moveCursor(QTextCursor::Left, QTextCursor::MoveAnchor); - //}else if( data.at(i)=='\t' ){ - //chars.append(" "); - }else if( data.at(i)=='\x1B' ){ - //Flush current text buffer to widget - if(!chars.isEmpty()){ InsertText(chars); chars.clear(); } - //ANSI Control Code start - //Look for the end of the code - int end = -1; - for(int j=1; j<(data.size()-i) && end<0; j++){ - if(QChar(data.at(i+j)).isLetter() || (QChar(data.at(i+j)).isSymbol() && data.at(i+j)!=';') ){ end = j; } - else if(data.at(i+j)=='\x1B'){ end = j-1; } //start of the next control code - } - if(end<0){ return; } //skip everything else - no end to code found - applyANSI(data.mid(i+1, end)); - //qDebug() << "Code:" << data.mid(i+1, end) << "Next Char:" << data[i+end+2]; - i+=end; //move the final loop along - already handled these bytes - - }else if( data.at(i) != '\r' ){ - //Special Check: if inserting text within a line, clear the rest of this line first - if(i==0 && this->textCursor().position() < this->document()->characterCount()-1){ - applyANSI("[K"); - } - chars.append(data.at(i)); - //Plaintext character - just add it here - //qDebug() << "Insert Text:" << data.at(i) << CFMT.foreground().color() << CFMT.background().color(); - //qDebug() << " " << this->currentCharFormat().foreground().color() << this->currentCharFormat().background().color(); - //this->textCursor().insertText( QChar(data.at(i)), CFMT ); - } - } //end loop over data - if(!chars.isEmpty()){ InsertText(chars); } -} - -void TerminalWidget::applyANSI(QByteArray code){ - //Note: the first byte is often the "[" character - qDebug() << "Handle ANSI:" << code; - if(code.length()==1){ - //KEYPAD MODES - if(code.at(0)=='='){ altkeypad = true; } - else if(code.at(0)=='>'){ altkeypad = false; } - else{ - qDebug() << "Unhandled ANSI Code:" << code; - } - }else if(code.startsWith("[")){ - // VT100 ESCAPE CODES - //CURSOR MOVEMENT - if( code.endsWith("A") ){ //Move Up - int num = 1; - if(code.size()>2){ num = code.mid(1, code.size()-2).toInt(); } //everything in the middle - QTextCursor cur = this->textCursor(); - cur.movePosition(QTextCursor::Up, QTextCursor::MoveAnchor, num); - this->setTextCursor(cur); - }else if(code.endsWith("B")){ //Move Down - int num = 1; - if(code.size()>2){ num = code.mid(1, code.size()-2).toInt(); } //everything in the middle - QTextCursor cur = this->textCursor(); - cur.movePosition(QTextCursor::Down, QTextCursor::MoveAnchor, num); - this->setTextCursor(cur); - }else if(code.endsWith("C")){ //Move Forward - int num = 1; - if(code.size()>2){ num = code.mid(1, code.size()-2).toInt(); } //everything in the middle - QTextCursor cur = this->textCursor(); - cur.movePosition(QTextCursor::Right, QTextCursor::MoveAnchor, num); - this->setTextCursor(cur); - }else if(code.endsWith("D")){ //Move Back - int num = 1; - if(code.size()>2){ num = code.mid(1, code.size()-2).toInt(); } //everything in the middle - QTextCursor cur = this->textCursor(); - cur.movePosition(QTextCursor::Left, QTextCursor::MoveAnchor, num); - this->setTextCursor(cur); - }else if(code.endsWith("E")){ //Move Next/down Lines (go toward end) - int num = 1; - if(code.size()>2){ num = code.mid(1, code.size()-2).toInt(); } //everything in the middle - QTextCursor cur = this->textCursor(); - cur.movePosition(QTextCursor::NextRow, QTextCursor::MoveAnchor, num); - this->setTextCursor(cur); - }else if(code.endsWith("F")){ //Move Previous/up Lines (go to beginning) - int num = 1; - if(code.size()>2){ num = code.mid(1, code.size()-2).toInt(); } //everything in the middle - QTextCursor cur = this->textCursor(); - cur.movePosition(QTextCursor::PreviousRow, QTextCursor::MoveAnchor, num); - this->setTextCursor(cur); - }else if(code.endsWith("G")){ //Move to specific column - int num = 1; - if(code.size()>2){ num = code.mid(1, code.size()-2).toInt(); } //everything in the middle - QTextCursor cur = this->textCursor(); - cur.setPosition(num); - this->setTextCursor(cur); - }else if(code.endsWith("H") || code.endsWith("f") ){ //Move to specific position (row/column) - int mid = code.indexOf(";"); - if(mid>1){ - int numR, numC; numR = numC = 1; - if(mid >=2){ numR = code.mid(1,mid-1).toInt(); } - if(mid < code.size()-1){ numC = code.mid(mid+1,code.size()-mid-2).toInt(); } - - if(startrow>=0 && endrow>=0){ - if(numR == startrow){ numR = 0;} - else if(numR==endrow){ numR = this->document()->lineCount()-1; } - } - qDebug() << "Set Text Position (absolute):" << "Code:" << code << "Row:" << numR << "Col:" << numC; - //qDebug() << " - Current Pos:" << this->textCursor().position() << "Line Count:" << this->document()->lineCount(); - //if(!this->textCursor().movePosition(QTextCursor::Start, QTextCursor::MoveAnchor,1) ){ qDebug() << "Could not go to start"; } - QTextCursor cur(this->textCursor()); - cur.setPosition(QTextCursor::Start, QTextCursor::MoveAnchor); //go to start of document - //qDebug() << " - Pos After Start Move:" << cur.position(); - if( !cur.movePosition(QTextCursor::Down, QTextCursor::MoveAnchor, numR) ){ qDebug() << "Could not go to row:" << numR; } - //qDebug() << " - Pos After Down Move:" << cur.position(); - if( !cur.movePosition(QTextCursor::Right, QTextCursor::MoveAnchor, numC) ){ qDebug() << "Could not go to col:" << numC; } - /*this->textCursor().setPosition( this->document()->findBlockByLineNumber(numR).position() ); - qDebug() << " - Pos After Row Move:" << this->textCursor().position(); - if( !this->textCursor().movePosition(QTextCursor::Right, QTextCursor::MoveAnchor, numC) ){ qDebug() << "Could not go to col:" << numC; }*/ - //qDebug() << " - Ending Pos:" << cur.position(); - this->setTextCursor(cur); - }else{ - //Go to home position - this->moveCursor(QTextCursor::Start); - } - - // CURSOR MANAGEMENT - }else if(code.endsWith("r")){ //Tag top/bottom lines as perticular numbers - int mid = code.indexOf(";"); - qDebug() << "New Row Codes:" << code << "midpoint:" << mid; - if(mid>1){ - if(mid >=2){ startrow = code.mid(1,mid-1).toInt(); } - if(mid < code.size()-1){ endrow = code.mid(mid+1,code.size()-mid-2).toInt(); } - } - qDebug() << "New Row Codes:" << startrow << endrow; - // DISPLAY CLEAR CODES - }else if(code.endsWith("J")){ //ED - Erase Display - int num = 0; - if(code.size()>2){ num = code.mid(1, code.size()-2).toInt(); } //everything in the middle - //qDebug() << "Erase Display:" << num; - if(num==1){ - //Clear from cursor to beginning of screen - QTextCursor cur = this->textCursor(); - cur.movePosition(QTextCursor::Start, QTextCursor::KeepAnchor, 1); - cur.removeSelectedText(); - this->setTextCursor(cur); - }else if(num==2){ - //Clear the whole screen - qDebug() << "Clear Screen:" << this->document()->lineCount(); - this->clear(); - }else{ - //Clear from cursor to end of screen - QTextCursor cur = this->textCursor(); - cur.movePosition(QTextCursor::End, QTextCursor::KeepAnchor, 1); - cur.removeSelectedText(); - this->setTextCursor(cur); - } - }else if(code.endsWith("K")){ //EL - Erase in Line - int num = 0; - if(code.size()>2){ num = code.mid(1, code.size()-2).toInt(); } //everything in the middle - //qDebug() << "Erase Number" << num; - //Now determine what should be cleared based on code - if(num==1){ - //Clear from current cursor to beginning of line - QTextCursor cur = this->textCursor(); - cur.movePosition(QTextCursor::StartOfLine, QTextCursor::KeepAnchor, 1); - cur.removeSelectedText(); - this->setTextCursor(cur); - }else if(num==2){ - //Clear the entire line - QTextCursor cur = this->textCursor(); - cur.movePosition(QTextCursor::StartOfLine, QTextCursor::MoveAnchor, 1); - cur.movePosition(QTextCursor::EndOfLine, QTextCursor::KeepAnchor, 1); - cur.removeSelectedText(); - this->setTextCursor(cur); - }else{ - //Clear from current cursor to end of line - QTextCursor cur = this->textCursor(); - cur.movePosition(QTextCursor::EndOfLine, QTextCursor::KeepAnchor, 1); - cur.removeSelectedText(); - this->setTextCursor(cur); - } - - //SCROLL MOVEMENT CODES - //}else if(code.endsWith("S")){ // SU - Scroll Up - //qDebug() << "Scroll Up:" << code; - //}else if(code.endsWith("T")){ // SD - Scroll Down - //qDebug() << "Scroll Down:" << code; - - // GRAPHICS RENDERING - }else if(code.endsWith("m")){ - //Format: "[<number>;<number>m" (no limit to sections separated by ";") - int start = 1; - int end = code.indexOf(";"); - while(end>start){ - applyANSIColor(code.mid(start, end-start).toInt()); - //Now update the iterators and try again - start = end; - end = code.indexOf(";",start+1); //go to the next one - } - //Need the last section as well - end = code.size()-1; - if(end>start){ applyANSIColor(code.mid(start, end-start).toInt());} - else{ applyANSIColor(0); } - - - // GRAPHICS MODES - //}else if(code.endsWith("h")){ - - //}else if(code.endsWith("l")){ - - }else{ - qDebug() << "Unhandled Control Code:" << code; - } - - } //End VT100 control codes - else{ - qDebug() << "Unhandled Control Code:" << code; - } -} - -void TerminalWidget::applyANSIColor(int code){ - //qDebug() << "Apply Color code:" << code; - if(code <=0){ CFMT = DEFFMT; } //Reset back to default - else if(code==1){ CFMT.setFontWeight(75); } //BOLD font - else if(code==2){ CFMT.setFontWeight(25); } //Faint font (smaller than normal by a bit) - else if(code==3){ CFMT.setFontWeight(75); } //Italic font - else if(code==4){ CFMT.setFontUnderline(true); } //Underline - //5-6: Blink text (unsupported) - //7: Reverse foreground/background (unsupported) - //8: Conceal (unsupported) - else if(code==9){ CFMT.setFontStrikeOut(true); } //Crossed out - //10-19: Change font family (unsupported) - //20: Fraktur Font (unsupported) - //21: Bold:off or Underline:Double (unsupported) - else if(code==22){ CFMT.setFontWeight(50); } //Normal weight - //23: Reset font (unsupported) - else if(code==24){ CFMT.setFontUnderline(false); } //disable underline - //25: Disable blinking (unsupported) - //26: Reserved - //27: Reset reversal (7) (unsupported) - //28: Reveal (cancel 8) (unsupported) - else if(code==29){ CFMT.setFontStrikeOut(false); } //Not Crossed out - else if(code>=30 && code<=39){ - //Set the font color - QColor color; - if(code==30){color=QColor(Qt::black); } - else if(code==31){ color=QColor(Qt::red); } - else if(code==32){ color=QColor(Qt::green); } - else if(code==33){ color=QColor(Qt::yellow); } - else if(code==34){ color=QColor(Qt::blue); } - else if(code==35){ color=QColor(Qt::magenta); } - else if(code==36){ color=QColor(Qt::cyan); } - else if(code==37){ color=QColor(Qt::white); } - //48: Special extended color setting (unsupported) - else if(code==39){ color= DEFFMT.foreground().color(); } //reset to default color -QBrush brush = CFMT.background(); - color.setAlpha(255); //fully opaque - brush.setColor(color); - CFMT.setForeground( brush ); - this->setTextColor(color); //just in case the format is not used - } - else if(code>=40 && code<=49){ - //Set the font color - QColor color; - if(code==40){color=QColor(Qt::black); } - else if(code==41){ color=QColor(Qt::red); } - else if(code==42){ color=QColor(Qt::green); } - else if(code==43){ color=QColor(Qt::yellow); } - else if(code==44){ color=QColor(Qt::blue); } - else if(code==45){ color=QColor(Qt::magenta); } - else if(code==46){ color=QColor(Qt::cyan); } - else if(code==47){ color=QColor(Qt::white); } - //48: Special extended color setting (unsupported) - else if(code==49){ color= DEFFMT.background().color(); } //reset to default color - QBrush brush = CFMT.background(); - color.setAlpha(255); //fully opaque - brush.setColor(color); - CFMT.setBackground( brush ); - } - //50: Reserved - //51: Framed - //52: Encircled - else if(code==53){ CFMT.setFontOverline(true); } //enable overline - //54: Not framed/circled (51/52) - else if(code==55){ CFMT.setFontOverline(false); } //disable overline - //56-59: Reserved - //60+: Not generally supported (special code for particular terminals such as aixterm) -} - -//Outgoing Data parsing -void TerminalWidget::sendKeyPress(int key){ - QByteArray ba; - //if(this->textCursor()==selCursor){ this->setTextCursor(lastCursor); } - //int fromEnd = this->document()->characterCount() - this->textCursor().position(); - //Check for special keys - switch(key){ - case Qt::Key_Delete: - ba.append("\x7F"); - break; - case Qt::Key_Backspace: - ba.append("\x08"); - break; - case Qt::Key_Left: - if(altkeypad){ ba.append("^[D"); } - else{ ba.append("\x1b[D"); } - break; - case Qt::Key_Right: - if(altkeypad){ ba.append("^[C"); } - else{ ba.append("\x1b[C"); } - break; - case Qt::Key_Up: - if(altkeypad){ ba.append("^[A"); } - else{ ba.append("\x1b[A"); } - break; - case Qt::Key_Down: - if(altkeypad){ ba.append("^[B"); } - else{ ba.append("\x1b[B"); } - break; - case Qt::Key_Home: - ba.append("\x1b[H"); - break; - case Qt::Key_End: - ba.append("\x1b[F"); - break; - } - qDebug() << "Forward Input:" << ba; - if(!ba.isEmpty()){ PROC->writeTTY(ba); } -} - -// ================== -// PRIVATE SLOTS -// ================== -void TerminalWidget::UpdateText(){ - //read the data from the process - //qDebug() << "UpdateText"; - if(!PROC->isOpen()){ return; } - applyData(PROC->readTTY()); - //adjust the scrollbar as needed - this->ensureCursorVisible(); - //this->verticalScrollBar()->setValue(this->verticalScrollBar()->maximum()); -} - -void TerminalWidget::ShellClosed(){ - emit ProcessClosed(this->whatsThis()); -} - -void TerminalWidget::copySelection(){ - QApplication::clipboard()->setText( selCursor.selectedText() ); -} - -void TerminalWidget::pasteSelection(){ - QString text = QApplication::clipboard()->text(); - if(!text.isEmpty()){ - QByteArray ba; ba.append(text); //avoid any byte conversions - PROC->writeTTY(ba); - } -} - -// ================== -// PROTECTED -// ================== -void TerminalWidget::keyPressEvent(QKeyEvent *ev){ - - if(ev->text().isEmpty() || ev->text()=="\b" ){ - sendKeyPress(ev->key()); - //PROC->writeTTY( QByteArray::fromHex(ev->nativeVirtualKey()) ); - }else{ - if( (ev->key()==Qt::Key_Enter || ev->key()==Qt::Key_Return) && !this->textCursor().atEnd() ){ - sendKeyPress(Qt::Key_End); //just in case the cursor is not at the end (TTY will split lines and such - ugly) - } - QByteArray ba; ba.append(ev->text()); //avoid any byte conversions - //qDebug() << "Forward Input:" << ba; - PROC->writeTTY(ba); - } - - ev->ignore(); -} - -void TerminalWidget::mousePressEvent(QMouseEvent *ev){ - this->setFocus(); - if(ev->button()==Qt::RightButton){ - QTextEdit::mousePressEvent(ev); - }else if(ev->button()==Qt::MiddleButton){ - pasteSelection(); - }else if(ev->button()==Qt::LeftButton){ - if(this->textCursor()!=selCursor){ lastCursor = this->textCursor(); } - selCursor = this->cursorForPosition(ev->pos()); - } - Q_UNUSED(ev); -} - -void TerminalWidget::mouseMoveEvent(QMouseEvent *ev){ - if(ev->button()==Qt::LeftButton){ - selCursor.setPosition(this->cursorForPosition(ev->pos()).position(), QTextCursor::KeepAnchor); - if(selCursor.hasSelection()){ this->setTextCursor(selCursor); } - }else{ - QTextEdit::mouseMoveEvent(ev); - } -} - -void TerminalWidget::mouseReleaseEvent(QMouseEvent *ev){ - if(ev->button()==Qt::LeftButton){ - selCursor.setPosition(this->cursorForPosition(ev->pos()).position(), QTextCursor::KeepAnchor); - if(selCursor.hasSelection()){ this->setTextCursor(selCursor); } - else{ this->setTextCursor(lastCursor); } - }else if(ev->button()==Qt::RightButton){ - copyA->setEnabled( selCursor.hasSelection() ); - pasteA->setEnabled( !QApplication::clipboard()->text().isEmpty() ); - contextMenu->popup( this->mapToGlobal(ev->pos()) ); - } - Q_UNUSED(ev); -} - -void TerminalWidget::mouseDoubleClickEvent(QMouseEvent *ev){ - Q_UNUSED(ev); -} - -void TerminalWidget::resizeEvent(QResizeEvent *ev){ - if(!PROC->isOpen()){ return; } - QSize pix = ev->size(); //pixels - QSize chars; - chars.setWidth( pix.width()/this->fontMetrics().width("W") ); - chars.setHeight( pix.height()/this->fontMetrics().lineSpacing() ); - - PROC->setTerminalSize(chars,pix); - QTextEdit::resizeEvent(ev); -} |