Show version number, color mode and character mode in new help screen

Author: cmang

durdraw/durdraw_movie.py

@@ -187,6 +187,39 @@ def shrinkCanvasWidth(self, shrinkage):
         self.opts.sizeY = self.opts.sizeY - shrinkage 
         #self.width = self.width - shrinkage
 
+    def search_and_replace(self, caller, search_str: str, replace_str: str):
+        #search_list = list(search)
+        found = False
+
+        # pad the right side of replace_str with spaces, so it lines up
+        # if search_str is longer.
+        #caller.notify(f"search string: '{search_str}'")
+        #replace_str = replace_str.ljust(len(search_str), ' ')
+        #caller.notify(f"replace string: '{replace_str}'")
+        frame_num = 0
+        line_num = 0
+        for frame in self.frames:
+            line_num = 0
+            for line in frame.content:
+                line_str = ''.join(line)
+                #caller.notify(f"line is a type: {type(line)}")
+                #caller.notify(f"line is: {line}")
+                if search_str in line_str:
+                    #caller.notify(f"len(search_str): {len(search_str)}, len(replace_str): {len(replace_str)}")
+                    if len(search_str) < len(replace_str):
+                        line_str = line_str.replace(search_str.ljust(len(replace_str)), replace_str)
+                    else:
+                        line_str = line_str.replace(search_str, replace_str.ljust(len(search_str)))
+                    #caller.notify(f"found {search_str} in line:")
+                    #caller.notify(f"{line_str}")
+                    # inject modified line back into frame
+                    line = list(line_str)
+                    frame.content[line_num] = line
+                    found = True
+                line_num += 1
+            frame_num += 1
+        return found
+
     def contains_high_colors(self):
         """ Returns True if any color above 16 is used, False otherwise """
         for frame in self.frames:

durdraw/durdraw_ui_curses.py

@@ -664,26 +664,27 @@ def showScrollingHelpScreen(self):
         helpMov.gotoFrame(1)
         self.stdscr.clear()
         self.clearStatusLine()
-        self.promptPrint("* Press the any key (or click) to continue *")
+        #self.promptPrint("* Press the any key (or click) to continue *")
         clickColor = self.appState.theme['clickColor']
         promptColor = self.appState.theme['promptColor']
-        self.addstr(self.statusBarLineNum - 1, 0, "You can use ALT or META instead of ESC. Everything this color is clickable", curses.color_pair(promptColor))
-        self.addstr(self.statusBarLineNum - 1, 51, "this color", curses.color_pair(clickColor) | curses.A_BOLD)
-        self.addstr(self.statusBarLineNum - 1, 65, "clickable", curses.color_pair(clickColor) | curses.A_BOLD)
+        #self.addstr(self.statusBarLineNum - 1, 0, "You can use ALT or META instead of ESC. Everything this color is clickable", curses.color_pair(promptColor))
+        #self.addstr(self.statusBarLineNum - 1, 51, "this color", curses.color_pair(clickColor) | curses.A_BOLD)
+        #self.addstr(self.statusBarLineNum - 1, 65, "clickable", curses.color_pair(clickColor) | curses.A_BOLD)
+
+        helpMov.search_and_replace(self, '{ver}', f"{self.appState.durVer}")
+        helpMov.search_and_replace(self, '{colormode}', f"{self.appState.colorMode}")
+        helpMov.search_and_replace(self, "{charmode}", f"{self.appState.charEncoding}")
+
         while self.playingHelpScreen:
             self.move(self.xy[0], self.xy[1])
             self.refresh()
+            self.addstr(self.statusBarLineNum + 1, 0, "Up/Down, Pgup/Pgdown, Home/End or Mouse Wheel to scroll. Enter or Esc to exit.", curses.color_pair(promptColor))
+            #self.addstr(self.statusBarLineNum - 1, 51, "this color", curses.color_pair(clickColor) | curses.A_BOLD)
             mouseState = False
-            # Instead, search and replace the darwing for durVer, colorMode etc
-            #if page == 2:
-            #    self.addstr(12, 51, f"{self.appState.durVer}", curses.color_pair(promptColor))
-            #    self.addstr(13, 54, f"{self.appState.colorMode}", curses.color_pair(promptColor))
-            #    self.addstr(14, 62, f"{self.appState.charEncoding}", curses.color_pair(promptColor))
             c = self.stdscr.getch()
             if c == curses.KEY_MOUSE: # get some mouse input if available
                 try:
                     _, mouseX, mouseY, _, mouseState = curses.getmouse()
-                    #pdb.set_trace()
                 except:
                     pass