Fast scroll on Process page.

[#24] Capital W and S keys now apply fast vertical scroll on Process
page.

2 files changed, 20 insertions, 4 deletions

diff --git a/bin/handler.py b/bin/handler.py
index c5e6ad0..9c8ffaf 100644
--- a/bin/handler.py
+++ b/bin/handler.py
@@ -69,6 +69,10 @@ class Handler:
 		elif cmd == ord("w"):
 			self.__printer.world.pan_up()
 			self.__printer.proc_scroll_up()
+		elif cmd == ord("S"):
+			self.__printer.proc_scroll_down(fast=True)
+		elif cmd == ord("W"):
+			self.__printer.proc_scroll_up(fast=True)
 		elif cmd == ord("Q"):
 			self.__printer.world.pan_reset()
 			self.__printer.proc_scroll_vertical_reset()
diff --git a/bin/printer.py b/bin/printer.py
index bed93d2..dd3e9ca 100644
--- a/bin/printer.py
+++ b/bin/printer.py
@@ -142,19 +142,31 @@ class Printer:
 					max_scroll, self.__proc_element_scroll
 				)
 
-	def proc_scroll_down(self):
+	def proc_scroll_down(self, fast=False):
 		""" Scroll process data table (on PROCESS view) up.
 		"""
 		if self.current_page == "PROCESS":
-			self.proc_list_scroll = max(0, self.proc_list_scroll - 1)
+			if fast:
+				len_page = len(self.__main) + len(self.__pages["PROCESS"]) + 6
+				scroll = max(0, self.size[0] - len_page)
+			else:
+				scroll = 1
+
+			self.proc_list_scroll = max(0, self.proc_list_scroll - scroll)
 
-	def proc_scroll_up(self):
+	def proc_scroll_up(self, fast=False):
 		""" Scroll process data table (on PROCESS view) down.
 		"""
 		if self.current_page == "PROCESS":
+			if fast:
+				len_page = len(self.__main) + len(self.__pages["PROCESS"]) + 6
+				scroll = max(0, self.size[0] - len_page)
+			else:
+				scroll = 1
+
 			self.proc_list_scroll = min(
 				self.__sim.lib.sal_proc_get_capacity() - 1,
-				self.proc_list_scroll + 1
+				self.proc_list_scroll + scroll
 			)
 
 	def proc_scroll_to(self, proc_id):