defining the base structure for the windows implementation

TermTk/TTkCore/TTkTerm/input.py

@@ -33,7 +33,7 @@ if platform.system() == 'Linux':
 elif platform.system() == 'Darwin':
     from .readinputlinux import ReadInput
 elif platform.system() == 'Windows':
-    raise NotImplementedError('Windows OS not yet supported')
+    from .readinputwindows import ReadInput
 
 from TermTk.TTkCore.log import TTkLog
 from TermTk.TTkCore.constant import TTkK

TermTk/TTkCore/TTkTerm/readinputwindows.py

@@ -0,0 +1,36 @@
+# MIT License
+#
+# Copyright (c) 2022 Eugenio Parodi <ceccopierangiolieugenio AT googlemail DOT com>
+#
+# Permission is hereby granted, free of charge, to any person obtaining a copy
+# of this software and associated documentation files (the "Software"), to deal
+# in the Software without restriction, including without limitation the rights
+# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+# copies of the Software, and to permit persons to whom the Software is
+# furnished to do so, subject to the following conditions:
+#
+# The above copyright notice and this permission notice shall be included in all
+# copies or substantial portions of the Software.
+#
+# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+# SOFTWARE.
+
+class ReadInput():
+    def __init__(self):
+        pass
+
+    def close(self):
+        pass
+
+    def cont(self):
+        pass
+
+    def read(self):
+        from time import sleep
+        sleep(5)
+        yield ""

TermTk/TTkCore/TTkTerm/term.py

@@ -23,8 +23,13 @@
 __all__ = ['TTkTerm']
 
 import importlib.util
+import platform
 
 if importlib.util.find_spec('pyodideProxy'):
     from .term_pyodide import TTkTerm
-else:
+elif platform.system() == 'Linux':
     from .term_unix import TTkTerm
+elif platform.system() == 'Darwin':
+    from .term_unix import TTkTerm
+elif platform.system() == 'Windows':
+    from .term_windows import TTkTerm

TermTk/TTkCore/TTkTerm/term_base.py

@@ -148,5 +148,5 @@ class TTkTermBase():
     flush      = lambda *args: None
     setEcho    = lambda *args: None
     CRNL       = lambda *args: None
-    getTerminalSize  = lambda *args: None
+    getTerminalSize  = lambda *args: (80,24)
     registerResizeCb = lambda *args: None

TermTk/TTkCore/TTkTerm/term_windows.py

@@ -0,0 +1,73 @@
+# MIT License
+#
+# Copyright (c) 2022 Eugenio Parodi <ceccopierangiolieugenio AT googlemail DOT com>
+#
+# Permission is hereby granted, free of charge, to any person obtaining a copy
+# of this software and associated documentation files (the "Software"), to deal
+# in the Software without restriction, including without limitation the rights
+# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+# copies of the Software, and to permit persons to whom the Software is
+# furnished to do so, subject to the following conditions:
+#
+# The above copyright notice and this permission notice shall be included in all
+# copies or substantial portions of the Software.
+#
+# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+# SOFTWARE.
+
+import sys, os, signal
+from threading import Thread, Lock
+
+from .term_base import TTkTermBase
+from TermTk.TTkCore.log import TTkLog
+
+class TTkTerm(TTkTermBase):
+    @staticmethod
+    def _push(*args):
+        try:
+            sys.stdout.write(str(*args))
+            sys.stdout.flush()
+        except BlockingIOError as e:
+            TTkLog.fatal(f"{e=} {e.characters_written=}")
+        except Exception as e:
+            TTkLog.fatal(e)
+    TTkTermBase.push = _push
+
+    @staticmethod
+    def _flush():
+        sys.stdout.flush()
+    TTkTermBase.flush = _flush
+
+    @staticmethod
+    def _getTerminalSize():
+       try:
+           return os.get_terminal_size()
+       except OSError as e:
+           print(f'ERROR: {e}')
+    TTkTermBase.getTerminalSize = _getTerminalSize
+
+    @staticmethod
+    def _sigWinChThreaded():
+        if not TTkTerm._sigWinChMutex.acquire(blocking=False): return
+        while (TTkTerm.width, TTkTerm.height) != (wh:=TTkTerm.getTerminalSize()):
+            TTkTerm.width, TTkTerm.height = wh
+            if TTkTerm._sigWinChCb is not None:
+                TTkTerm._sigWinChCb(TTkTerm.width, TTkTerm.height)
+        TTkTerm._sigWinChMutex.release()
+
+    @staticmethod
+    def _sigWinCh(signum, frame):
+        Thread(target=TTkTerm._sigWinChThreaded).start()
+
+    # @staticmethod
+    # def _registerResizeCb(callback):
+    #     TTkTerm._sigWinChCb = callback
+    #     # Dummy call to retrieve the terminal size
+    #     TTkTerm._sigWinCh(signal.SIGWINCH, None)
+    #     signal.signal(signal.SIGWINCH, TTkTerm._sigWinCh)
+    # TTkTermBase.registerResizeCb = _registerResizeCb