From d40eacf12edfbd3e73404263fd35a1c9ed57951b Mon Sep 17 00:00:00 2001
From: DarwinNE <davbucci@gmail.com>
Date: Tue, 14 Jan 2020 22:46:05 +0100
Subject: [PATCH] Implement sequence to change the window name.

---
 Console/ConsoleTest.cc         |  3 +-
 Console/retro/Console.cc       | 76 +++++++++++++++++++++++++++++++---
 Console/retro/Console.h        |  9 ++++
 Console/retro/ConsoleWindow.cc |  1 +
 Console/retro/ConsoleWindow.h  |  2 +-
 5 files changed, 84 insertions(+), 7 deletions(-)

diff --git a/Console/ConsoleTest.cc b/Console/ConsoleTest.cc
index b32da0ea83..82faadf9bd 100644
--- a/Console/ConsoleTest.cc
+++ b/Console/ConsoleTest.cc
@@ -9,7 +9,8 @@ namespace retro
 int main()
 {
     retro::InitConsole();
-    std::string out = "Hello, \033[1mexternal world of \033[0m\033[3mtrue beauty and \033[4mgreatness\033[0m.\nEnter \"exit\" to quit.\n";
+    std::string out = "\033]0;Hello world win\007Hello, \033[1mexternal world of \033[0m\033[3mtrue beauty and \033[4mgreatness\033[0m.\nEnter \"exit\" to quit.\n";
+    //std::string out = "Hello, \033[1mexternal world of \033[0m\033[3mtrue beauty and \033[4mgreatness\033[0m.\nEnter \"exit\" to quit.\n";
     retro::Console::currentInstance->write(out.data(), out.size());
     
     std::string in;
diff --git a/Console/retro/Console.cc b/Console/retro/Console.cc
index 6024a8bcc0..db7ca63be8 100644
--- a/Console/retro/Console.cc
+++ b/Console/retro/Console.cc
@@ -265,15 +265,80 @@ void Console::ScrollUp(short n)
     dirtyRect.bottom = dirtyRect.bottom > 0 ? dirtyRect.bottom - 1 : 0;
 }
 
-void Console::ProcessEscSequence(char c)
+void Console::ProcessOSCseq(char c)
 {
     switch(sequenceStep)
     {
-    case 0:
-        if(c=='[')
-            ++sequenceStep;
-        else
+    case 1:
+        if(c!='0')  // The only recognized sequence is OSC 0; 
+        {
+            OSCseq=false;
+            sequenceStep=0;
+            return;
+        }
+        ++sequenceStep;
+        break;
+    case 2:
+        if(c!=';')  // The only recognized sequence is OSC 0; 
+        {
+            OSCseq=false;
+            sequenceStep=0;
+            return;
+        }
+        ++sequenceStep;
+        windowName=" ";
+        break;
+    default:
+        if(c==BEL) // The BEL character ends the sequence.
+        {
+            windowName[0]=windowName.length();
+            SetWTitle(win, (ConstStringPtr)windowName.c_str());
+            OSCseq=false;
             isProcessingEscSequence=false;
+            sequenceStep=0;
+        }
+        else
+        {
+            windowName+=c;
+            ++sequenceStep;
+        }
+    }
+}
+
+void Console::ProcessEscSequence(char c)
+{
+    if(sequenceStep>0 && OSCseq)
+    {
+        ProcessOSCseq(c);
+        //sequenceStep=0;
+        //isProcessingEscSequence=false;
+        return;
+    }
+    if(sequenceStep>MAX_LEN)
+    {
+        // Sequence is too long!
+        sequenceStep=0;
+        isProcessingEscSequence=false;
+        return;
+    }
+
+    switch(sequenceStep)
+    {
+    case 0:
+        if(c=='[')  // Control Sequence Introducer
+        {
+            OSCseq=false;
+            ++sequenceStep;
+        }
+        else if(c==']') // Operating System Command
+        {
+            OSCseq=true;
+            ++sequenceStep;
+        }   
+        else
+        {
+            isProcessingEscSequence=false;
+        }
         break;
     case 1:
         ++sequenceStep;
@@ -305,6 +370,7 @@ void Console::ProcessEscSequence(char c)
         break;
     default:
         sequenceStep=0;
+        isProcessingEscSequence=false;
     }
 }
 
diff --git a/Console/retro/Console.h b/Console/retro/Console.h
index cc5df88403..6c08d6abd5 100644
--- a/Console/retro/Console.h
+++ b/Console/retro/Console.h
@@ -27,6 +27,9 @@
 #include <vector>
 #include <string>
 
+#define BEL 7
+#define MAX_LEN 250
+
 namespace retro
 {
     class Attributes
@@ -86,6 +89,10 @@ namespace retro
         void Idle();
 
         bool IsEOF() const { return eof; }
+    protected:
+        std::string windowName;
+        WindowPtr win;
+
     private:
         GrafPtr consolePort = nullptr;
         Rect bounds;
@@ -94,6 +101,7 @@ namespace retro
         std::vector<AttributedChar> chars, onscreen;
         bool isProcessingEscSequence;
         int sequenceStep;
+        bool OSCseq;
 
         short cellSizeX;
         short cellSizeY;
@@ -118,6 +126,7 @@ namespace retro
         void DrawCells(short x1, short x2, short y, bool erase = true);
         void ScrollUp(short n = 1);
         void ProcessEscSequence(char c);
+        void ProcessOSCseq(char c);
         void SetAttributes(Attributes aa);
 
         void InvalidateCursor();
diff --git a/Console/retro/ConsoleWindow.cc b/Console/retro/ConsoleWindow.cc
index 5740ede97f..db71f55258 100644
--- a/Console/retro/ConsoleWindow.cc
+++ b/Console/retro/ConsoleWindow.cc
@@ -36,6 +36,7 @@ ConsoleWindow::ConsoleWindow(Rect r, ConstStr255Param title)
 {
     GrafPtr port;
         //Retro68 Improved Console
+    windowName="Retro68 Console";
     win = NewWindow(NULL, &r, "\pRetro68 Console", true, 0, (WindowPtr)-1, true, 0);
 
 #if !TARGET_API_MAC_CARBON
diff --git a/Console/retro/ConsoleWindow.h b/Console/retro/ConsoleWindow.h
index e3d71c33bd..1b787dc769 100644
--- a/Console/retro/ConsoleWindow.h
+++ b/Console/retro/ConsoleWindow.h
@@ -35,7 +35,7 @@ namespace retro
         ConsoleWindow(Rect r, ConstStr255Param title);
         ~ConsoleWindow();
     private:
-        WindowPtr win;
+        //WindowPtr win;
 
         virtual char WaitNextChar();
     };