dingstudio / rpms / konsole

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diff --git a/src/Emulation.cpp b/src/Emulation.cpp
index 02ed4be..80d93ba 100644
--- a/src/Emulation.cpp
+++ b/src/Emulation.cpp
@@ -39,6 +39,7 @@ Emulation::Emulation() :
     _decoder(0),
     _keyTranslator(0),
     _usesMouse(false),
+    _bracketedPasteMode(false),
     _imageSizeInitialized(false)
 {
     // create screens with a default size
@@ -52,6 +53,8 @@ Emulation::Emulation() :
     // listen for mouse status changes
     connect(this , SIGNAL(programUsesMouseChanged(bool)) ,
             SLOT(usesMouseChanged(bool)));
+    connect(this , SIGNAL(programBracketedPasteModeChanged(bool)) ,
+            SLOT(bracketedPasteModeChanged(bool)));
 }
 
 bool Emulation::programUsesMouse() const
@@ -64,6 +67,16 @@ void Emulation::usesMouseChanged(bool usesMouse)
     _usesMouse = usesMouse;
 }
 
+bool Emulation::programBracketedPasteMode() const
+{
+    return _bracketedPasteMode;
+}
+
+void Emulation::bracketedPasteModeChanged(bool bracketedPasteMode)
+{
+    _bracketedPasteMode = bracketedPasteMode;
+}
+
 ScreenWindow* Emulation::createWindow()
 {
     ScreenWindow* window = new ScreenWindow();
diff --git a/src/Emulation.h b/src/Emulation.h
index aa24d69..966b423 100644
--- a/src/Emulation.h
+++ b/src/Emulation.h
@@ -215,6 +215,8 @@ public:
      */
     bool programUsesMouse() const;
 
+    bool programBracketedPasteMode() const;
+
 public slots:
 
     /** Change the size of the emulation's image */
@@ -314,6 +316,8 @@ signals:
      */
     void programUsesMouseChanged(bool usesMouse);
 
+    void programBracketedPasteModeChanged(bool bracketedPasteMode);
+
     /**
      * Emitted when the contents of the screen image change.
      * The emulation buffers the updates from successive image changes,
@@ -474,8 +478,11 @@ private slots:
 
     void usesMouseChanged(bool usesMouse);
 
+    void bracketedPasteModeChanged(bool bracketedPasteMode);
+
 private:
     bool _usesMouse;
+    bool _bracketedPasteMode;
     QTimer _bulkTimer1;
     QTimer _bulkTimer2;
     bool _imageSizeInitialized;
diff --git a/src/Session.cpp b/src/Session.cpp
index 2d8ca89..68e8ef7 100644
--- a/src/Session.cpp
+++ b/src/Session.cpp
@@ -326,6 +326,11 @@ void Session::addView(TerminalDisplay* widget)
 
     widget->setUsesMouse(_emulation->programUsesMouse());
 
+    connect(_emulation, SIGNAL(programBracketedPasteModeChanged(bool)),
+            widget, SLOT(setBracketedPasteMode(bool)));
+
+    widget->setBracketedPasteMode(_emulation->programBracketedPasteMode());
+
     widget->setScreenWindow(_emulation->createWindow());
 
     //connect view signals and slots
diff --git a/src/TerminalDisplay.cpp b/src/TerminalDisplay.cpp
index 871dc9f..be80e7c 100644
--- a/src/TerminalDisplay.cpp
+++ b/src/TerminalDisplay.cpp
@@ -51,6 +51,7 @@
 #include <KIO/NetAccess>
 #include <konq_operations.h>
 #include <KFileItem>
+#include <KMessageBox>
 
 // Konsole
 #include "Filter.h"
@@ -367,6 +368,7 @@ TerminalDisplay::TerminalDisplay(QWidget* parent)
     setMouseTracking(true);
 
     setUsesMouse(true);
+    setBracketedPasteMode(false);
 
     setColorTable(ColorScheme::defaultTable);
 
@@ -2554,6 +2556,15 @@ bool TerminalDisplay::usesMouse() const
     return _mouseMarks;
 }
 
+void TerminalDisplay::setBracketedPasteMode(bool on)
+{
+    _bracketedPasteMode = on;
+}
+bool TerminalDisplay::bracketedPasteMode() const
+{
+    return _bracketedPasteMode;
+}
+
 /* ------------------------------------------------------------------------- */
 /*                                                                           */
 /*                               Clipboard                                   */
@@ -2568,8 +2579,84 @@ void TerminalDisplay::doPaste(QString text, bool appendReturn)
     if (appendReturn)
         text.append("\r");
 
+    QStringList unsafeCharacters;
+    Q_FOREACH (const QChar &c, text) {
+        if (!c.isPrint() && c != QLatin1Char('\t') && c != QLatin1Char('\n')) {
+            QString description;
+            switch(c.unicode()) {
+            case '\x03':
+                description = i18n("^C Interrupt: May abort the current process");
+                break;
+            case '\x04':
+                description = i18n("^D End of transmission: May exit the current process");
+                break;
+            case '\x07':
+                description = i18n("^G Bell: Will try to emit an audible warning");
+                break;
+            case '\x08':
+                description = i18n("^H Backspace");
+                break;
+            case '\x13':
+                description = i18n("^S Scroll lock: Locks terminal output");
+                break;
+            case '\x1a':
+                description = i18n("^Z Suspend: Stops current process");
+                break;
+            case '\x1b':
+                description = i18n("ESC: Used for special commands to the current process");
+                break;
+            default:
+                description = i18n("Other unprintable character (\\x%1)").arg(QString::number(c.unicode(), 16));
+                break;
+            }
+            unsafeCharacters.append(description);
+        }
+    }
+    unsafeCharacters.removeDuplicates();
+
+    if (!unsafeCharacters.isEmpty()) {
+        int result = KMessageBox::warningYesNoCancelList(window(),
+                i18n("The text you're trying to paste contains hidden unprintable characters, "
+                    "do you want to filter them out?"),
+                unsafeCharacters,
+                i18nc("@title", "Filter"),
+                KGuiItem(i18nc("@action:button",
+                    "&Remove unprintable"),
+                    QLatin1String("filter-symbolic")),
+                KGuiItem(i18nc("@action:button",
+                    "Confirm &paste"),
+                    QLatin1String("edit-paste")),
+                KGuiItem(i18nc("@action:button",
+                    "&Cancel paste"),
+                    QLatin1String("dialog-cancel")),
+                QLatin1String("ShowPasteUnprintableWarning")
+            );
+        switch(result){
+        case KMessageBox::Cancel:
+            return;
+        case KMessageBox::Yes: {
+            QString sanitized;
+            Q_FOREACH (const QChar &c, text) {
+                if (c.isPrint() || c == QLatin1Char('\t') || c == QLatin1Char('\n')) {
+                    sanitized.append(c);
+                }
+            }
+            text = sanitized;
+        }
+        case KMessageBox::No:
+            break;
+        default:
+            break;
+        }
+    }
+
     if (!text.isEmpty()) {
         text.replace('\n', '\r');
+        if (bracketedPasteMode()) {
+            text.remove(QLatin1String("\033"));
+            text.prepend("\033[200~");
+            text.append("\033[201~");
+        }
         // perform paste by simulating keypress events
         QKeyEvent e(QEvent::KeyPress, 0, Qt::NoModifier, text);
         emit keyPressedSignal(&e);
diff --git a/src/TerminalDisplay.h b/src/TerminalDisplay.h
index 8e246b8..23913d1 100644
--- a/src/TerminalDisplay.h
+++ b/src/TerminalDisplay.h
@@ -512,6 +512,9 @@ public slots:
     /** See setUsesMouse() */
     bool usesMouse() const;
 
+    void setBracketedPasteMode(bool bracketedPasteMode);
+    bool bracketedPasteMode() const;
+
     /**
      * Shows a notification that a bell event has occurred in the terminal.
      * TODO: More documentation here
@@ -770,6 +773,7 @@ private:
     bool _showTerminalSizeHint;
     bool _bidiEnabled;
     bool _mouseMarks;
+    bool _bracketedPasteMode;
 
     QPoint  _iPntSel; // initial selection point
     QPoint  _pntSel; // current selection point
diff --git a/src/Vt102Emulation.cpp b/src/Vt102Emulation.cpp
index 7f663f2..76b3ac5 100644
--- a/src/Vt102Emulation.cpp
+++ b/src/Vt102Emulation.cpp
@@ -787,6 +787,11 @@ void Vt102Emulation::processToken(int token, int p, int q)
     case TY_CSI_PR('h', 1049) : saveCursor(); _screen[1]->clearEntireScreen(); setMode(MODE_AppScreen); break; //XTERM
     case TY_CSI_PR('l', 1049) : resetMode(MODE_AppScreen); restoreCursor(); break; //XTERM
 
+    case TY_CSI_PR('h', 2004) :          setMode      (MODE_BracketedPaste); break; //XTERM
+    case TY_CSI_PR('l', 2004) :        resetMode      (MODE_BracketedPaste); break; //XTERM
+    case TY_CSI_PR('s', 2004) :         saveMode      (MODE_BracketedPaste); break; //XTERM
+    case TY_CSI_PR('r', 2004) :      restoreMode      (MODE_BracketedPaste); break; //XTERM
+
     //FIXME: weird DEC reset sequence
     case TY_CSI_PE('p'      ) : /* IGNORED: reset         (        ) */ break;
 
@@ -1194,6 +1199,7 @@ void Vt102Emulation::resetModes()
     resetMode(MODE_Mouse1005);  saveMode(MODE_Mouse1005);
     resetMode(MODE_Mouse1006);  saveMode(MODE_Mouse1006);
     resetMode(MODE_Mouse1015);  saveMode(MODE_Mouse1015);
+    resetMode(MODE_BracketedPaste);  saveMode(MODE_BracketedPaste);
 
     resetMode(MODE_AppScreen);  saveMode(MODE_AppScreen);
     resetMode(MODE_AppCuKeys);  saveMode(MODE_AppCuKeys);
@@ -1219,6 +1225,10 @@ void Vt102Emulation::setMode(int m)
         emit programUsesMouseChanged(false);
         break;
 
+    case MODE_BracketedPaste:
+        emit programBracketedPasteModeChanged(true);
+        break;
+
     case MODE_AppScreen :
         _screen[1]->clearSelection();
         setScreen(1);
@@ -1245,6 +1255,10 @@ void Vt102Emulation::resetMode(int m)
         emit programUsesMouseChanged(true);
         break;
 
+    case MODE_BracketedPaste:
+        emit programBracketedPasteModeChanged(false);
+        break;
+
     case MODE_AppScreen :
         _screen[0]->clearSelection();
         setScreen(0);
diff --git a/src/Vt102Emulation.h b/src/Vt102Emulation.h
index c15f6ea..8d678e0 100644
--- a/src/Vt102Emulation.h
+++ b/src/Vt102Emulation.h
@@ -46,7 +46,8 @@ class QKeyEvent;
 #define MODE_Ansi            (MODES_SCREEN+10)   // Use US Ascii for character sets G0-G3 (DECANM)
 #define MODE_132Columns      (MODES_SCREEN+11)  // 80 <-> 132 column mode switch (DECCOLM)
 #define MODE_Allow132Columns (MODES_SCREEN+12)  // Allow DECCOLM mode
-#define MODE_total           (MODES_SCREEN+13)
+#define MODE_BracketedPaste  (MODES_SCREEN+13)  // Xterm-style bracketed paste mode
+#define MODE_total           (MODES_SCREEN+14)
 
 namespace Konsole
 {