Mercurial > mamba
annotate mamba/widgets/entrybox.py @ 235:5b021e8498b3
Remove debugging print. Add robustness against being removed in accept_callback
| author | Neil Muller <drnlmuller@gmail.com> |
|---|---|
| date | Wed, 14 Sep 2011 23:31:36 +0200 |
| parents | d83fd4ebddd3 |
| children | 0975a995113b |
| rev | line source |
|---|---|
| 228 | 1 import pygame |
| 2 from pygame.constants import SRCALPHA, KEYDOWN, K_ESCAPE, K_RETURN | |
| 3 | |
| 4 from mamba.widgets.base import Container | |
| 5 from mamba.constants import DELETE_KEYS | |
| 6 from mamba.widgets.text import TextWidget, TextButton | |
| 7 | |
| 8 | |
| 9 class EntryBox(Container): | |
| 10 | |
| 11 def __init__(self, rect, text, init_value, accept_callback=None, | |
| 12 color='white', entry_color='yellow'): | |
| 13 super(EntryBox, self).__init__(rect) | |
| 14 self.text = text | |
| 15 self.accept_callback = accept_callback | |
| 16 self.color = color | |
| 17 self.entry_color = entry_color | |
| 18 self.value = init_value | |
| 19 self.prepare() | |
| 20 self.modal = True | |
| 21 self.focussable = True | |
| 22 | |
| 23 def prepare(self): | |
| 24 message = TextWidget((self.rect.left + 50, self.rect.top + 2), | |
| 25 self.text, color=self.color) | |
| 26 self.rect.width = message.rect.width + 100 | |
| 27 self.add(message) | |
| 28 self.entry_text = TextWidget((self.rect.left + 5, | |
| 29 self.rect.top + message.rect.height + 5), 'Entry: %s' % self.value, | |
| 30 color=self.entry_color) | |
| 31 self.add(self.entry_text) | |
| 32 self.entry_text.add_callback(KEYDOWN, self.edit) | |
| 33 self.entry_text.focussable = True | |
| 34 ok_button = TextButton((self.rect.left + 50, | |
| 35 self.entry_text.rect.bottom), 'Accept') | |
| 36 ok_button.add_callback('clicked', self.close, True) | |
| 37 self.add(ok_button) | |
| 38 cancel_button = ok_button = TextButton( | |
| 39 (self.entry_text.rect.right + 60, self.entry_text.rect.bottom), | |
| 40 'Cancel') | |
| 41 cancel_button.add_callback('clicked', self.close, False) | |
| 42 self.add(cancel_button) | |
| 43 | |
| 44 def draw(self, surface): | |
| 45 background = pygame.Surface(self.rect.size, SRCALPHA) | |
| 46 background.fill(pygame.Color('gray')) | |
| 47 surface.blit(background, self.rect) | |
| 48 super(EntryBox, self).draw(surface) | |
| 49 | |
| 50 def close(self, ev, widget, ok): | |
| 51 if self.accept_callback and ok: | |
| 52 if self.accept_callback(self.value): | |
|
235
5b021e8498b3
Remove debugging print. Add robustness against being removed in accept_callback
Neil Muller <drnlmuller@gmail.com>
parents:
228
diff
changeset
|
53 if self.parent: |
|
5b021e8498b3
Remove debugging print. Add robustness against being removed in accept_callback
Neil Muller <drnlmuller@gmail.com>
parents:
228
diff
changeset
|
54 self.parent.remove(self) |
| 228 | 55 # Don't remove if the accept callback failed |
| 56 return | |
| 57 self.parent.remove(self) | |
| 58 | |
| 59 def edit(self, ev, widget): | |
| 60 if ev.key == K_ESCAPE: | |
| 61 self.close(ev, widget, False) | |
| 62 elif ev.key == K_RETURN: | |
| 63 self.close(ev, widget, True) | |
| 64 elif ev.key in DELETE_KEYS: | |
| 65 if self.value: | |
| 66 self.value = self.value[:-1] | |
| 67 self.entry_text.text = 'Entry: %s' % self.value | |
| 68 self.entry_text.prepare() | |
| 69 else: | |
| 70 self.value += ev.unicode | |
| 71 self.entry_text.text = 'Entry: %s' % self.value | |
| 72 self.entry_text.prepare() | |
| 73 return True | |
| 74 | |
| 75 def grab_focus(self): | |
| 76 self.entry_text.grab_focus() |