temrinal and commands added

print.py

@@ -7,58 +7,97 @@ from PIL import Image, ImageOps
 import curses
 import sys, termios, tty, os, time
 
-def getch():
-    fd = sys.stdin.fileno()
-    old_settings = termios.tcgetattr(fd)
-    try:
-        tty.setraw(sys.stdin.fileno())
-        ch = sys.stdin.read(1)
-
-    finally:
-        termios.tcsetattr(fd, termios.TCSADRAIN, old_settings)
-    return ch
 
 class Printer():
     ESC = b'\x1B'
     CHANGE_EMULATION = ESC+b'\x7B'+b'\x65'
     LINE_FEED = b'\n'
     CARIDGE_RET = b'\x0D'
-
+    CHARWIDTH = 78
     strokes = 0
+    debug = True
+    target = "/dev/usb/lp0"
+    if debug:
+        target = "/dev/tty"
 
     def printchar(self,char):
-        with open('/dev/usb/lp0', 'wb') as printer:
+        with open(self.target, 'wb') as printer:
                     printer.write(self.ESC+b"\x7B"+b"\x41")
                     char=self.strokes*" "+char
                     printer.write(bytes(str(char), 'utf-8'))
                     printer.write(self.ESC+b"\x25"+b"\x46"+b"\x0F"+b"\x00"+b"\x04"+b"\x08"+b"\x00")
                     self.strokes += 1
-                    if(self.strokes>78):
+                    if(self.strokes>self.CHARWIDTH):
                         printer.write(self.LINE_FEED)
                         self.strokes = 0
 
+    def printstring(self,string):
+        with open(self.target, 'wb') as printer:
+            printer.write(self.ESC+b"\x7B"+b"\x41")
+            printer.write(bytes(str(string), 'utf-8'))
+            printer.write(self.ESC+b"\x25"+b"\x46"+b"\x0F"+b"\x00"+b"\x04"+b"\x08"+b"\x00")
+            self.newline()
+
+
     def newline(self):
         global strokes
-        with open('/dev/usb/lp0', 'wb') as printer:
+        with open(self.target, 'wb') as printer:
                     printer.write(self.LINE_FEED)
                     self.strokes = 0
 
 
-def waitforinput():
-    while True:
-        char = getch()
 
-        if (ord(char) == 27):
+class Terminal():
-            print("exited publication :-(")
+    lineinput = ""
-            exit(0)
+    commandMode = False
-        if (ord(char) == 13):
+    writeloop = True
-            printer.newline()
+
-        else:
+    def __init__(self,printer):
-            printer.printchar(char)
+        self.printer = printer
+
+    def waitforinput(self):
+        term.writeloop = True
+        while self.writeloop:
+            char = self.getch()
+            self.lineinput+=char
+            print(self.lineinput)
+            if (ord(char) == 27):
+                print("exit publication :-(")
+                exit(0)
+            if (ord(char) == 13):
+                self.printer.newline()
+                self.checkforcommand(self.lineinput)
+                self.lineinput = ""
+            else:
+                print(char)
+                self.printer.printchar(char)
+
+    def getch(self):
+        fd = sys.stdin.fileno()
+        old_settings = termios.tcgetattr(fd)
+        try:
+            tty.setraw(sys.stdin.fileno())
+            ch = sys.stdin.read(1)
+
+        finally:
+            termios.tcsetattr(fd, termios.TCSADRAIN, old_settings)
+        return ch
+
+    def checkforcommand(self, command):
+        print("received command:"+command)
+        if command == "help":
+
+        #if the command is valid we want to execute the command and continue the story
+            #self.writeloop = False
 
 
-print("POETIC SOFTWARE")
-print("Let's boot into this publication together?")
-print("cancel [ok]")
 printer = Printer()
-waitforinput()
+term = Terminal(printer)
+printer.printstring("W E L C O M E !")
+printer.printstring("---------------")
+printer.printstring("POETIC SOFTWARE")
+printer.printstring("---------------")
+printer.printstring("type help for help")
+term.waitforinput()
+printer.printstring("write a command")
+term.waitforinput()