From a0f381c9e80a86959b4af5e52807a8bcd1581d50 Mon Sep 17 00:00:00 2001
From: Paul Oliver <contact@pauloliver.dev>
Date: Thu, 29 Feb 2024 02:29:14 +0100
Subject: Added minimal mode.

[#25] Toggle minimal mode with 'M' key. When on minimal mode, only
current cycle, epoch and process count are shown.
---
 bin/README.md  |  1 +
 bin/handler.py | 10 +++++++++-
 bin/printer.py | 23 +++++++++++++++++++++++
 bin/salis.py   |  1 +
 4 files changed, 34 insertions(+), 1 deletion(-)

diff --git a/bin/README.md b/bin/README.md
index 0d95d18..2ae4869 100644
--- a/bin/README.md
+++ b/bin/README.md
@@ -31,6 +31,7 @@ $ ./bin/salis.py load --file 16.sim
 |`fl`             |Select first/last organism |
 |`k`              |Scroll/go to selected (PROCESS and WORLD page) |
 |`X`              |Toggle hex/decimal value printing |
+|`M`              |Toggle minimal mode |
 |Numbers `[1..0]` |Cycle simulation `2^((n-1) % 10)` steps |
 |Enter            |Activate cursor (WORLD page) |
 
diff --git a/bin/handler.py b/bin/handler.py
index 2bc8c25..366b94a 100644
--- a/bin/handler.py
+++ b/bin/handler.py
@@ -32,6 +32,7 @@ class Handler:
 		self.__sim = sim
 		self.__printer = sim.printer
 		self.__inst_dict = self.__get_inst_dict()
+		self.__min_commands = [ord("M"), ord(" "), curses.KEY_RESIZE]
 		self.console_history = []
 
 	def process_cmd(self, cmd):
@@ -39,7 +40,14 @@ class Handler:
 		ncurses' getch() function, thus, they must be transformed into their
 		character representations with 'ord()'.
 		"""
-		if cmd == ord(" "):
+		# If in minimal mode, only listen to a subset of commands.
+		if self.__sim.minimal and cmd not in self.__min_commands:
+			return
+
+		if cmd == ord("M"):
+			self.__printer.screen.clear()
+			self.__sim.minimal = not self.__sim.minimal
+		elif cmd == ord(" "):
 			self.__sim.toggle_state()
 		elif cmd == curses.KEY_LEFT:
 			self.__printer.flip_page(-1)
diff --git a/bin/printer.py b/bin/printer.py
index dd3e9ca..fcdf73f 100644
--- a/bin/printer.py
+++ b/bin/printer.py
@@ -39,6 +39,7 @@ class Printer:
 		# We can now initialize all other privates.
 		self.__main = self.__get_main()
 		self.__pages = self.__get_pages()
+		self.__minimal = self.__get_minimal()
 		self.__main_scroll = 0
 		self.__proc_element_scroll = 0
 		self.__proc_gene_scroll = 0
@@ -381,6 +382,11 @@ class Printer:
 		""" Print current page to screen. We use the previously generated
 		'__pages' dictionary to easily associate a label to a Salis function.
 		"""
+		# If in minimal mode, print only minial widget.
+		if self.__sim.minimal:
+			self.__print_minimal()
+			return
+
 		# Update selected proc data if in WORLD view.
 		if self.current_page == "WORLD":
 			self.__sim.lib.sal_proc_get_proc_data(self.selected_proc, cast(
@@ -833,3 +839,20 @@ class Printer:
 					):
 						self.selected_proc = proc_id
 						break
+
+	def __get_minimal(self):
+		""" Generate set of data fields to be printed on minimal mode.
+		"""
+		return [
+			("cycle", self.__sim.lib.sal_main_get_cycle),
+			("epoch", self.__sim.lib.sal_main_get_epoch),
+			("procs", self.__sim.lib.sal_proc_get_count),
+		]
+
+	def __print_minimal(self):
+		""" Print minimal mode data fields.
+		"""
+		self.__print_line(1, "Salis --- Minimal mode")
+
+		for i, field in enumerate(self.__minimal):
+			self.__print_line(i + 2, "{}: {}".format(field[0], field[1]()))
diff --git a/bin/salis.py b/bin/salis.py
index 31a6ac1..8c477ff 100755
--- a/bin/salis.py
+++ b/bin/salis.py
@@ -53,6 +53,7 @@ class Salis:
 		self.printer = Printer(self)
 		self.handler = Handler(self)
 		self.state = "paused"
+		self.minimal = False
 
 		# Based on CLI arguments, initialize a new Salis simulation or load
 		# existing one from file.
-- 
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