add help text to launcher, add other hotkeys to editor bar, fix del key functionality

Author: FoamyGuy

builtin_apps/editor/adafruit_editor/dang.py

@@ -42,6 +42,7 @@ def _blocking():
 special_keys = {
     "\x1b": ...,  # all prefixes of special keys must be entered as Ellipsis
     "\x1b[": ...,
+    "\x1b[3": ...,
     "\x1b[5": ...,
     "\x1b[6": ...,
     "\x1b[A": "KEY_UP",

builtin_apps/editor/adafruit_editor/editor.py

@@ -23,6 +23,7 @@
 #     usb_cdc.data.write(f"{message}\r\n".encode("utf-8"))
 
 INPUT_DISPLAY_REFRESH_COOLDOWN = 0.3  # s
+SHOW_MEMFREE = False
 
 
 class MaybeDisableReload:
@@ -55,7 +56,8 @@ def os_exists(filename):
 
 
 def gc_mem_free_hint():
-    return ""
+    if not SHOW_MEMFREE:
+        return ""
     if hasattr(gc, "mem_free"):
         gc.collect()
         return f" | free: {gc.mem_free()}"
@@ -224,16 +226,12 @@ def editor(stdscr, filename, visible_cursor):  # pylint: disable=too-many-branch
     else:
         buffer = Buffer([""])
 
+    user_message = None
+
     window = Window(curses.LINES - 1, curses.COLS - 1)
     cursor = Cursor()
     visible_cursor.text = buffer[0][0]
     last_refresh_time = -1
-    # print("updating visible cursor")
-    # visible_cursor.anchored_position = ((0 * 6) - 1, (0 * 12) + 20)
-    # try:
-    #     visible_cursor.text = buffer.lines[0][0]
-    # except IndexError:
-    #     visible_cursor.text = " "
 
     stdscr.erase()
 
@@ -258,10 +256,15 @@ def setline(row, line):
         for row in range(lastrow + 1, window.n_rows):
             setline(row, "~~ EOF ~~")
         row = curses.LINES - 1
-        if util.readonly():
-            line = f"{filename:12} (*ro) | ^C: quit{gc_mem_free_hint()}"
+
+        if user_message is None:
+            if util.readonly():
+                line = f"{filename:12} (mnt RO ^W) | ^R run | ^C: quit{gc_mem_free_hint()}"
+            else:
+                line = f"{filename:12} (mnt RW ^W) | ^R run | ^S save | ^X: save & exit | ^C: exit no save{gc_mem_free_hint()}"
         else:
-            line = f"{filename:12} | ^X: write & exit | ^C: quit w/o save{gc_mem_free_hint()}"
+            line = user_message
+            user_message = None
         setline(row, line)
 
         stdscr.move(*window.translate(cursor))
@@ -285,23 +288,24 @@ def setline(row, line):
                 for row in buffer:
                     print(row)
                 print("---- end file contents ----")
-        elif k == "\x13": # Ctrl-S
+        elif k == "\x13":  # Ctrl-S
             if not util.readonly():
                 with open(filename, "w", encoding="utf-8") as f:
                     for row in buffer:
                         f.write(f"{row}\n")
+                    user_message = "Saved"
             else:
                 print("Unable to Save due to readonly mode!")
         elif k == "\x11":  # Ctrl-Q
             print("ctrl-Q")
             for row in buffer:
                 print(row)
-        elif k == "\x17": # Ctrl-W
+        elif k == "\x17":  # Ctrl-W
             boot_args_file = argv_filename("/boot.py")
             with open(boot_args_file, "w") as f:
                 f.write(json.dumps([not util.readonly(), "/apps/editor/code.py", Path(filename).absolute()]))
             microcontroller.reset()
-        elif k == "\x12": # Ctrl-R
+        elif k == "\x12":  # Ctrl-R
             print(f"Run: {filename}")
 
             launcher_code_args_file = argv_filename("/code.py")
@@ -344,7 +348,13 @@ def setline(row, line):
             right(window, buffer, cursor)
         elif k in ("KEY_DELETE", "\x04"):
             print("delete")
-            buffer.delete(cursor)
+            if cursor.row < len(buffer.lines) - 1 or \
+                    cursor.col < len(buffer.lines[cursor.row]):
+                buffer.delete(cursor)
+                try:
+                    visible_cursor.text = buffer.lines[cursor.row][cursor.col]
+                except IndexError:
+                    visible_cursor.text = " "
 
         elif k in ("KEY_BACKSPACE", "\x7f", "\x08"):
             print(f"backspace {bytes(k, 'utf-8')}")

src/code.py

@@ -15,11 +15,14 @@
 
 import supervisor
 import sys
+
+import terminalio
 import usb
 import adafruit_pathlib as pathlib
 from adafruit_bitmap_font import bitmap_font
 from adafruit_display_text.text_box import TextBox
 from adafruit_display_text.bitmap_label import Label
+
 from adafruit_displayio_layout.layouts.grid_layout import GridLayout
 from adafruit_anchored_tilegrid import AnchoredTileGrid
 import adafruit_imageload
@@ -63,14 +66,18 @@
 
 font_file = "/fonts/terminal.lvfontbin"
 font = bitmap_font.load_font(font_file)
-main_group = displayio.Group(scale=scale)
+scaled_group = displayio.Group(scale=scale)
+
+main_group = displayio.Group()
+main_group.append(scaled_group)
+
 display.root_group = main_group
 
 background_bmp = displayio.Bitmap(display.width, display.height, 1)
 bg_palette = displayio.Palette(1)
 bg_palette[0] = 0x222222
 bg_tg = displayio.TileGrid(bitmap=background_bmp, pixel_shader=bg_palette)
-main_group.append(bg_tg)
+scaled_group.append(bg_tg)
 
 # load the mouse cursor bitmap
 mouse_bmp = displayio.OnDiskBitmap("launcher_assets/mouse_cursor.bmp")
@@ -199,12 +206,12 @@
 default_icon_palette.make_transparent(0)
 menu_grid = GridLayout(x=40, y=16, width=WIDTH, height=HEIGHT, grid_size=(config["width"], config["height"]),
                        divider_lines=False)
-main_group.append(menu_grid)
+scaled_group.append(menu_grid)
 
 menu_title_txt = Label(font, text="Fruit Jam OS")
 menu_title_txt.anchor_point = (0.5, 0.5)
 menu_title_txt.anchored_position = (display.width // (2 * scale), 2)
-main_group.append(menu_title_txt)
+scaled_group.append(menu_title_txt)
 
 app_titles = []
 apps = []
@@ -248,6 +255,7 @@
         "icon": str(icon_file.absolute()) if icon_file is not None else None,
         "file": str(code_file.absolute())
     })
+
     i += 1
 
 
@@ -356,15 +364,26 @@ def display_page(page_index):
 right_tg.anchored_position = ((display.width // scale) - 4, (display.height // 2 // scale) - 2)
 original_arrow_btn_color = left_palette[2]
 
-main_group.append(left_tg)
-main_group.append(right_tg)
+scaled_group.append(left_tg)
+scaled_group.append(right_tg)
 
 if len(apps) <= 6:
     right_tg.hidden = True
     left_tg.hidden = True
 
 if mouse:
-    main_group.append(mouse_tg)
+    scaled_group.append(mouse_tg)
+
+
+help_txt = Label(terminalio.FONT, text="[Arrow]: Move\n[E]:     Edit\n[Enter]:  Run")
+# help_txt = TextBox(terminalio.FONT, width=88, height=30, align=TextBox.ALIGN_RIGHT, background_color=0x008800, text="[E]: Edit\n[Enter]:  Run")
+help_txt.anchor_point = (0, 0)
+
+help_txt.anchored_position = (2, 2)
+# help_txt.anchored_position = (display.width - 89, 1)
+
+print(help_txt.bounding_box)
+main_group.append(help_txt)
 
 
 def atexit_callback():
@@ -534,6 +553,8 @@ def handle_key_press(key):
 
         editor_launch_file = "apps/editor/code.py"
         write_argv(editor_launch_file, [apps[editor_index]["file"]])
+        # with open(argv_filename(launch_file), "w") as f:
+        #     f.write(json.dumps([apps[editor_index]["file"]]))
 
         supervisor.set_next_code_file(editor_launch_file, sticky_on_reload=False, reload_on_error=True,
                                       working_directory="/".join(editor_launch_file.split("/")[:-1]))