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