Badger OS: Fix fonts, image and list for #6.

Using `not badger2040.woken_by_button()` to determine if the display should be refreshed on first run prevented these examples from showing their initial display on battery.

badger_os/examples/fonts.py

@@ -102,7 +102,7 @@ def draw_fonts():
 display.led(128)
 display.set_update_speed(badger2040.UPDATE_FAST)
 
-changed = not badger2040.woken_by_button()
+changed = True
 
 # ------------------------------
 #       Main program loop
@@ -118,6 +118,7 @@ def draw_fonts():
         if state["selected_font"] < 0:
             state["selected_font"] = len(FONT_NAMES) - 1
         changed = True
+
     if display.pressed(badger2040.BUTTON_DOWN):
         state["selected_font"] += 1
         if state["selected_font"] >= len(FONT_NAMES):

badger_os/examples/image.py

@@ -86,7 +86,7 @@ def show_image(n):
 
 badger_os.state_load("image", state)
 
-changed = not badger2040.woken_by_button()
+changed = True
 
 
 while True:
@@ -98,13 +98,16 @@ def show_image(n):
         if state["current_image"] > 0:
             state["current_image"] -= 1
             changed = True
+
     if display.pressed(badger2040.BUTTON_DOWN):
         if state["current_image"] < TOTAL_IMAGES - 1:
             state["current_image"] += 1
             changed = True
+
     if display.pressed(badger2040.BUTTON_A):
         state["show_info"] = not state["show_info"]
         changed = True
+
     if display.pressed(badger2040.BUTTON_B) or display.pressed(badger2040.BUTTON_C):
         display.set_pen(15)
         display.clear()

badger_os/examples/list.py

@@ -161,7 +161,7 @@ def draw_checkbox(x, y, size, background, foreground, thickness, tick, padding):
 #        Program setup
 # ------------------------------
 
-changed = not badger2040.woken_by_button()
+changed = True
 state = {
     "current_item": 0,
 }