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annotate pyntnclick/widgets/text.py @ 666:de3f6ad0da9d pyntnclick

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Better looking labels, and more use of constants
author Stefano Rivera <stefano@rivera.za.net>
date Sun, 12 Feb 2012 17:21:40 +0200
parents 12149ea1c18e
children fe7023750b20
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1 import pygame
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2 from pygame.constants import SRCALPHA
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3
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4 from pyntnclick.widgets.base import Widget, Button
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5
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6
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7 class TextWidget(Widget):
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8 def __init__(self, rect, gd, text, fontname=None, fontsize=None,
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9 color=None):
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10 super(TextWidget, self).__init__(rect, gd)
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11 self.text = text
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12 constants = self.gd.constants
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13 if fontname is None:
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14 self.fontname = constants.font
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15 else:
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16 self.fontname = fontname
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17 if fontsize is None:
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18 self.fontsize = constants.font_size
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19 else:
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20 self.fontsize = fontsize
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21 if color is None:
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22 self.color = constants.text_color
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23 else:
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24 self.color = color
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25 self.prepare()
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26
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27 def prepare(self):
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28 self.font = self.resource.get_font(self.fontname, self.fontsize)
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29 if not isinstance(self.color, pygame.Color):
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30 self.color = pygame.Color(self.color)
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31 self.surface = self.font.render(self.text, True, self.color)
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32 self.text_rect = self.surface.get_rect()
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33 width, height = self.surface.get_rect().size
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34 self.rect.width = max(self.rect.width, width)
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35 self.rect.height = max(self.rect.height, height)
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36
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37 def draw(self, surface):
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38 surface.blit(self.surface, self.rect)
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40
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41 class LabelWidget(TextWidget):
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42 def __init__(self, rect, gd, *args, **kwargs):
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43 constants = gd.constants
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44 self.padding = kwargs.pop('padding', constants.label_padding)
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45 self.border = kwargs.pop('border', constants.label_border)
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46 self.bg_color = kwargs.pop('bg_color', constants.label_bg_color)
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47 if not isinstance(self.bg_color, pygame.Color):
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48 self.bg_color = pygame.Color(*self.bg_color)
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49 self.border_color = kwargs.pop('border_color',
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50 constants.label_border_color)
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51 if not isinstance(self.border_color, pygame.Color):
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52 self.border_color = pygame.Color(*self.border_color)
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53 super(LabelWidget, self).__init__(rect, gd, *args, **kwargs)
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54
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55 def prepare(self):
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56 super(LabelWidget, self).prepare()
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57 self.rect.width += 2 * self.padding
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58 self.rect.height += 2 * self.padding
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59 new_surface = pygame.Surface(self.rect.size)
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60 new_surface = new_surface.convert_alpha()
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61 new_surface.fill(self.bg_color)
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62 new_surface.blit(self.surface, self.surface.get_rect().move(
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63 (self.padding, self.padding)))
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64 if self.border:
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65 pygame.draw.rect(new_surface, self.border_color,
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66 new_surface.get_rect(),
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67 self.border)
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68 self.surface = new_surface
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69
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70 def draw(self, surface):
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71 surface.blit(self.surface, self.rect)
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72
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73
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74 class TextButton(Button, TextWidget):
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75 def __init__(self, rect, gd, *args, **kwargs):
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76 constants = gd.constants
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77 self.padding = kwargs.pop('padding', constants.label_padding)
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78 self.border = kwargs.pop('border', constants.label_border)
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79 self.disabled_color = kwargs.pop('disabled_color',
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80 constants.disabled_color)
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81 if not isinstance(self.disabled_color, pygame.Color):
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82 self.disabled_color = pygame.Color(*self.disabled_color)
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83 super(TextButton, self).__init__(rect, gd, *args, **kwargs)
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84
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85 def prepare(self):
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86 super(TextButton, self).prepare()
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87 text = self.surface
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88 text_rect = self.text_rect
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89 color = self.disabled_color if self.disabled else self.color
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90
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91 width = text_rect.width + self.padding * 2
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92 height = text_rect.height + self.padding * 2
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93 self.rect.width = max(self.rect.width, width)
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94 self.rect.height = max(self.rect.height, height)
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95 self.surface = pygame.Surface(self.rect.size, SRCALPHA)
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96 self.surface.fill(0)
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97 offset = (
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98 (self.rect.width - width) / 2 + self.padding,
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99 (self.rect.height - height) / 2 + self.padding)
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100 self.surface.blit(text, text.get_rect().move(offset))
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101 if self.border:
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102 pygame.draw.rect(self.surface, color, self.surface.get_rect(),
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103 self.border)
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104
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105 def draw(self, surface):
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106 super(TextButton, self).draw(surface)