326 lines
12 KiB
Python
326 lines
12 KiB
Python
"""Some basic UGFX powered dialogs"""
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___license___ = "MIT"
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___dependencies___ = ["buttons", "sleep"]
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import ugfx, buttons, sleep
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from buttons import Buttons
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import time
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default_style_badge = ugfx.Style()
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default_style_badge.set_focus(ugfx.RED)
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default_style_badge.set_enabled([ugfx.WHITE, ugfx.html_color(0x3C0246), ugfx.GREY, ugfx.RED])
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default_style_badge.set_background(ugfx.html_color(0x3C0246))
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default_style_dialog = ugfx.Style()
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default_style_dialog.set_enabled([ugfx.BLACK, ugfx.html_color(0xA66FB0), ugfx.html_color(0xdedede), ugfx.RED])
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default_style_dialog.set_background(ugfx.html_color(0xFFFFFF))
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TILDA_COLOR = ugfx.html_color(0x7c1143);
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FONT_SMALL = 0 #todo: find correct values
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FONT_MEDIUM_BOLD = 0
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def notice(text, title="TiLDA", close_text="Close", font=FONT_SMALL, style=None):
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prompt_boolean(text, title = title, true_text = close_text, false_text = None, font=font, style=style)
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def prompt_boolean(text, title="TiLDA", true_text="Yes", false_text="No", font=FONT_SMALL, style=None):
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"""A simple one and two-options dialog
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if 'false_text' is set to None only one button is displayed.
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If both 'true_text' and 'false_text' are given a boolean is returned
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"""
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global default_style_dialog
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if style == None:
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style = default_style_dialog
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ugfx.set_default_font(FONT_MEDIUM_BOLD)
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width = ugfx.width() - 10
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height = ugfx.height() - 10
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window = ugfx.Container(5, 5, width, height)
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window.show()
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ugfx.set_default_font(font)
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window.text(5, 5, title, TILDA_COLOR)
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window.line(0, 25, width, 25, ugfx.BLACK)
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if false_text:
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true_text = "A: " + true_text
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false_text = "B: " + false_text
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ugfx.set_default_font(font)
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label = ugfx.Label(5, 30, width - 10, height - 80, text = text, parent=window, justification=4)
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ugfx.set_default_font(FONT_MEDIUM_BOLD)
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button_yes = ugfx.Button(5, height - 40, width // 2 - 10 if false_text else width - 15, 30 , true_text, parent=window)
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button_no = ugfx.Button(width // 2, height - 40, width // 2 - 10, 30 , false_text, parent=window) if false_text else None
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# Find newlines in label text to scroll.
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def find_all(a_str, sub):
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start = 0
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while True:
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start = a_str.find(sub, start)
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if start == -1: return
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yield start + 1 # Trap: \n becomes a single character, not 2.
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start += len(sub) # use start += 1 to find overlapping matches
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new_line_pos = [0] + list(find_all(text, '\n'))
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text_scroll_offset = 0
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try:
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#button_yes.attach_input(ugfx.BTN_A,0) # todo: re-enable once working
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#if button_no: button_no.attach_input(ugfx.BTN_B,0)
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window.show()
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while True:
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sleep.wfi()
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if buttons.is_triggered(buttons.Buttons.BTN_A): return True
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if buttons.is_triggered(buttons.Buttons.BTN_B): return False
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# Allow scrolling by new lines.
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if buttons.is_triggered(buttons.Buttons.JOY_Down):
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if text_scroll_offset < len(new_line_pos)-1:
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text_scroll_offset = text_scroll_offset + 1
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label.text(text[new_line_pos[text_scroll_offset]:])
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if buttons.is_triggered(buttons.Buttons.JOY_Up):
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if (text_scroll_offset > 0):
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text_scroll_offset=text_scroll_offset - 1
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label.text(text[new_line_pos[text_scroll_offset]:])
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finally:
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window.hide()
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window.destroy()
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button_yes.destroy()
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if button_no: button_no.destroy()
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label.destroy()
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def prompt_text(description, init_text="", true_text="OK", false_text="Back", font=FONT_MEDIUM_BOLD, style=default_style_badge, numeric=False):
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"""Shows a dialog and keyboard that allows the user to input/change a string
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Returns None if user aborts with button B
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"""
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window = ugfx.Container(0, 0, ugfx.width(), ugfx.height())
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if false_text:
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true_text = "A: " + true_text
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false_text = "B: " + false_text
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ugfx.set_default_font(FONT_MEDIUM_BOLD)
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kb = ugfx.Keyboard(0, ugfx.height()//2, ugfx.width(), ugfx.height()//2, parent=window)
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edit = ugfx.Textbox(2, ugfx.height()//2-60, ugfx.width()-7, 25, text = init_text, parent=window)
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ugfx.set_default_font(FONT_SMALL)
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button_yes = ugfx.Button(2, ugfx.height()//2-30, ugfx.width()//2-6, 25 , true_text, parent=window)
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button_no = ugfx.Button(ugfx.width()//2+2, ugfx.height()//2-30, ugfx.width()//2-6, 25 , false_text, parent=window) if false_text else None
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ugfx.set_default_font(font)
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label = ugfx.Label(ugfx.width()//10, ugfx.height()//10, ugfx.width()*4//5, ugfx.height()*2//5-90, description, parent=window)
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try:
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window.show()
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# edit.set_focus() todo: do we need this?
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while True:
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sleep.wfi()
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ugfx.poll()
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if buttons.is_triggered(buttons.Buttons.BTN_A): return edit.text()
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if buttons.is_triggered(buttons.Buttons.BTN_B): return None
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if buttons.is_triggered(buttons.Buttons.BTN_Menu): return edit.text()
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handle_keypad(edit, numeric)
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finally:
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window.hide()
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window.destroy()
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button_yes.destroy()
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if button_no: button_no.destroy()
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label.destroy()
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kb.destroy()
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edit.destroy();
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return
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last_key = None
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last_keytime = None
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def handle_keypad(edit, numeric):
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global last_key, last_keytime
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threshold = 1000
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keymap = {
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buttons.Buttons.BTN_0: [" ", "0"],
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buttons.Buttons.BTN_1: ["1"],
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buttons.Buttons.BTN_2: ["a", "b", "c", "2"],
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buttons.Buttons.BTN_3: ["d", "e", "f", "3"],
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buttons.Buttons.BTN_4: ["g", "h", "i", "4"],
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buttons.Buttons.BTN_5: ["j", "k", "l", "5"],
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buttons.Buttons.BTN_6: ["m", "n", "o", "6"],
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buttons.Buttons.BTN_7: ["p", "q", "r", "s", "7"],
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buttons.Buttons.BTN_8: ["t", "u", "v", "8"],
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buttons.Buttons.BTN_9: ["w", "x", "y", "z", "9"],
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buttons.Buttons.BTN_Hash: ["#"],
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buttons.Buttons.BTN_Star: ["*", "+"],
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}
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for key, chars in keymap.items():
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if buttons.is_triggered(key):
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if numeric:
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edit.text(edit.text() + chars[-1])
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elif key != last_key:
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edit.text(edit.text() + chars[0])
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else:
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if last_keytime is None or (time.ticks_ms() - last_keytime) > threshold:
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edit.text(edit.text() + chars[0])
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else:
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last_char = edit.text()[-1]
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try:
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last_index = chars.index(last_char)
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except ValueError:
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# not sure how we get here...
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return
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next_index = (last_index+1) % len(chars)
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edit.text(edit.text()[:-1] + chars[next_index])
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last_key = key
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last_keytime = time.ticks_ms()
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def prompt_option(options, index=0, text = None, title=None, select_text="OK", none_text=None):
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"""Shows a dialog prompting for one of multiple options
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If none_text is specified the user can use the B or Menu button to skip the selection
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if title is specified a blue title will be displayed about the text
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"""
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ugfx.set_default_font(FONT_SMALL)
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window = ugfx.Container(5, 5, ugfx.width() - 10, ugfx.height() - 10)
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window.show()
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list_y = 30
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if title:
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window.text(5, 5, title, TILDA_COLOR)
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window.line(0, 25, ugfx.width() - 10, 25, ugfx.BLACK)
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list_y = 30
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if text:
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list_y += 20
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window.text(5, 30, text, ugfx.BLACK)
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else:
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window.text(5, 10, text, ugfx.BLACK)
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options_list = ugfx.List(5, list_y, ugfx.width() - 24, 265 - list_y, parent = window)
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options_list.disable_draw()
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optnum = 1
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for option in options:
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if isinstance(option, dict) and option["title"]:
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title = option["title"]
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else:
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title = str(option)
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if optnum < 11:
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# mod 10 to make 10th item numbered 0
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options_list.add_item("{}: {}".format((optnum % 10),title))
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else:
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options_list.add_item(" {}".format(title))
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optnum = optnum + 1
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options_list.enable_draw()
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options_list.selected_index(index)
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select_text = "A: " + select_text
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if none_text:
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none_text = "B: " + none_text
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button_select = ugfx.Button(5, ugfx.height() - 50, 105 if none_text else 200, 30 , select_text, parent=window)
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button_none = ugfx.Button(116, ugfx.height() - 50, 105, 30 , none_text, parent=window) if none_text else None
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try:
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while True:
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sleep.wfi()
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ugfx.poll()
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# todo: temporary hack
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#if (buttons.is_triggered(buttons.Buttons.JOY_Up)):
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# index = max(index - 1, 0)
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# options_list.selected_index(index)
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#if (buttons.is_triggered(buttons.Buttons.JOY_Down)):
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# index = min(index + 1, len(options) - 1)
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# options_list.selected_index(index)
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if buttons.is_triggered(buttons.Buttons.BTN_A) or buttons.is_triggered(buttons.Buttons.JOY_Center):
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return options[options_list.selected_index()]
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if button_none and buttons.is_triggered(buttons.Buttons.BTN_B): return None
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if button_none and buttons.is_triggered(buttons.Buttons.BTN_Menu): return None
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# These are indexes for selected_index, 1 means "First item", ie index 0. 0 is treated as if it were 10
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button_nums = {
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Buttons.BTN_1: 0,
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Buttons.BTN_2: 1,
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Buttons.BTN_3: 2,
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Buttons.BTN_4: 3,
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Buttons.BTN_5: 4,
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Buttons.BTN_6: 5,
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Buttons.BTN_7: 6,
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Buttons.BTN_8: 7,
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Buttons.BTN_9: 8,
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Buttons.BTN_0: 9,
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}
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for key, num in button_nums.items():
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if buttons.is_triggered(key):
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# No need to check for too large an index; gwinListSetSelected validates this.
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options_list.selected_index(num)
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break
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if buttons.is_triggered(Buttons.BTN_Hash):
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# Page down
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idx = options_list.selected_index() + 10
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cnt = options_list.count()
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if idx >= cnt:
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idx = cnt - 1
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options_list.selected_index(idx)
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continue
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if buttons.is_triggered(Buttons.BTN_Star):
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# Page up
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idx = options_list.selected_index() - 10
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if idx < 0:
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idx = 0
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options_list.selected_index(idx)
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continue
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finally:
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window.hide()
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window.destroy()
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options_list.destroy()
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button_select.destroy()
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if button_none: button_none.destroy()
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ugfx.poll()
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class WaitingMessage:
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"""Shows a dialog with a certain message that can not be dismissed by the user"""
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def __init__(self, text="Please Wait...", title="TiLDA"):
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self.window = ugfx.Container(30, 30, ugfx.width() - 60, ugfx.height() - 60)
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self.window.show()
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self.window.text(5, 5, title, TILDA_COLOR)
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self.window.line(0, 25, ugfx.width() - 60, 25, ugfx.BLACK)
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self.label = ugfx.Label(5, 40, self.window.width() - 15, ugfx.height() - 40, text = text, parent=self.window)
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# Indicator to show something is going on
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#self.indicator = ugfx.Label(ugfx.width() - 100, 0, 20, 20, text = "...", parent=self.window)
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#self.timer = machine.Timer(3)
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#self.timer.init(freq=3)
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#self.timer.callback(lambda t: self.indicator.visible(not self.indicator.visible()))
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# todo: enable this once we have a timer somewhere
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def destroy(self):
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#self.timer.deinit()
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self.label.destroy()
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#self.indicator.destroy()
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self.window.destroy()
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@property
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def text(self):
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return self.label.text()
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@text.setter
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def text(self, value):
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self.label.text(value)
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def __enter__(self):
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return self
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def __exit__(self, exc_type, exc_value, traceback):
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self.destroy()
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