From 47b9d50e9ea62c0fde5c4e9caaae5a01c5ceed12 Mon Sep 17 00:00:00 2001
From: Paco Hope <github@filter.paco.to>
Date: Tue, 14 Jun 2022 23:04:01 -0400
Subject: [PATCH] added graphical TUI

---
 menu.py          | 100 +++++++++++++++++++++++++++++++++++++++++++++++
 requirements.txt |   2 +-
 2 files changed, 101 insertions(+), 1 deletion(-)
 create mode 100644 menu.py

diff --git a/menu.py b/menu.py
new file mode 100644
index 0000000..8b2c194
--- /dev/null
+++ b/menu.py
@@ -0,0 +1,100 @@
+from picotui.widgets import *
+from picotui.menu import *
+from picotui.context import Context
+import os
+import re
+import cli
+
+fileToDo = None
+
+# case insensitive search for files ending in yaml or yml.
+def yamlFilter(filename):
+    return( re.search(".ya?ml$", filename, flags=re.IGNORECASE) != None)
+   
+# Dialog on the screen
+d = None
+
+# This routine is called to redraw screen "in menu's background"
+def screen_redraw(s, allow_cursor=False):
+    s.attr_color(C_WHITE, C_BLUE)
+    s.cls()
+    s.attr_reset()
+    d.redraw()
+
+
+# We have two independent widgets on screen: dialog and main menu,
+# so can't call their individual loops, and instead should have
+# "main loop" to route events to currently active widget, and
+# switch the active one based on special events.
+def main_loop():
+    while 1:
+        key = m.get_input()
+
+        if isinstance(key, list):
+            # Mouse click
+            x, y = key
+            if m.inside(x, y):
+                m.focus = True
+
+        if m.focus:
+            # If menu is focused, it gets events. If menu is cancelled,
+            # it loses focus. Otherwise, if menu selection is made, we
+            # quit with with menu result.
+            res = m.handle_input(key)
+            if res == ACTION_CANCEL:
+                m.focus = False
+            elif res is not None and res is not True:
+                return res
+        else:
+            # If menu isn't focused, it can be focused by pressing F9.
+            if key == KEY_F9:
+                m.focus = True
+                m.redraw()
+                continue
+            # Otherwise, dialog gets input
+            res = d.handle_input(key)
+            if res is not None and res is not True:
+                return res
+
+with Context():
+
+    d = Dialog(10, 5, 80, 24)
+    d.add(2, 21, WLabel("Press F9 for menu"))
+    d.add(2, 22, WLabel("Press Esc to Exit"))
+    
+    # Get all files in the current directory that are YAML files
+    d.add(4, 2, WLabel("Available YAML Files:"))
+    # dir_list = list(filter(yamlFilter, os.listdir('.')))
+    dir_list = os.listdir('.')
+    print( dir_list )
+    # Draw a list box with all those files in it
+    filelist = WListBox(26, 10, dir_list )
+    d.add(4, 3, filelist )
+
+    b = WButton(8, "OK")
+    d.add(10, 19, b)
+    b.finish_dialog = ACTION_OK
+
+    b = WButton(8, "Cancel")
+    d.add(23, 19, b)
+    b.finish_dialog = ACTION_CANCEL
+
+    screen_redraw(Screen)
+    Screen.set_screen_redraw(screen_redraw)
+
+    menu_file = WMenuBox([("Open...", "Open"), ("Save", "S"), ("Save as...", "Sa"), ("Exit", "ex")])
+    menu_edit = WMenuBox([("Copy", "copy"), ("Paste", "paste")])
+    m = WMenuBar([("File", menu_file), ("Edit", menu_edit), ("About", "About")])
+    m.permanent = True
+    m.redraw()
+
+    res = main_loop()
+    # We get here when the user finishes.
+    if( res != ACTION_CANCEL ):
+        fileToDo = filelist.content[filelist.choice]
+
+if( fileToDo != None ):
+    configfile = open( fileToDo, 'r', encoding='utf8')
+    cli.parseFile(configfile)
+else:
+    print( "Cancelled" )
diff --git a/requirements.txt b/requirements.txt
index 3d189cd..4ea908b 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,2 +1,2 @@
 pyyaml
-argparse
\ No newline at end of file
+argparse