Mercurial > sypikslang
annotate gamelib/gui_base.py @ 110:ff7c953502d5
Auto-downsize fonts on BigButtons that are too large.
| author | Simon Cross <hodgestar@gmail.com> |
|---|---|
| date | Wed, 09 May 2012 22:37:07 +0200 |
| parents | 22b65c943712 |
| children | 0cdd13622355 |
| rev | line source |
|---|---|
| 37 | 1 import pygame |
| 70 | 2 from pygame.locals import SRCALPHA |
|
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Rizmari Versfeld <rizziepit@gmail.com>
parents:
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diff
changeset
|
3 from pygame import Surface, Rect |
| 37 | 4 from pygame.font import Font |
| 5 | |
| 6 from gamelib import data | |
| 7 | |
| 8 | |
| 9 # different font sizes | |
| 10 pygame.font.init() | |
| 11 font_small = Font(data.filepath('fonts/DejaVuSans.ttf'), 10) | |
| 12 font_medium = Font(data.filepath('fonts/DejaVuSans.ttf'), 14) | |
| 13 font_large = Font(data.filepath('fonts/DejaVuSans.ttf'), 18) | |
|
110
ff7c953502d5
Auto-downsize fonts on BigButtons that are too large.
Simon Cross <hodgestar@gmail.com>
parents:
74
diff
changeset
|
14 font_auto = None |
| 37 | 15 |
| 16 | |
| 17 class Drawable(object): | |
| 38 | 18 |
| 19 def __init__(self, rect): | |
| 20 if isinstance(rect, Rect): | |
| 21 self.rect = rect | |
| 22 else: | |
| 23 self.rect = Rect(rect[0], rect[1], rect[2], rect[3]) | |
| 24 | |
| 25 def draw(self, surface): | |
| 26 pass | |
| 27 | |
| 28 | |
| 37 | 29 class Clickable(object): |
| 38 | 30 |
| 31 def on_mouse_down(self, pos): | |
| 32 pass | |
| 33 | |
| 34 def on_mouse_up(self, pos): | |
| 35 pass | |
| 36 | |
| 37 def on_mouse_move(self, pos): | |
| 38 pass | |
| 39 | |
| 40 def on_mouse_cancel(self): | |
| 41 pass | |
| 42 | |
| 43 def on_click(self): | |
| 44 pass | |
| 45 | |
| 37 | 46 |
| 47 class ContainerView(Drawable): | |
| 38 | 48 |
| 49 def __init__(self): | |
| 50 self.children = [] | |
| 51 | |
| 52 def add_child(self, child): | |
| 53 self.children.append(child) | |
| 54 | |
| 55 def remove_child(self, child): | |
| 56 self.children.remove(child) | |
| 57 | |
| 58 def get_child_by_pos(self, pos): | |
| 59 for child in self.children: | |
| 60 if child.rect.collidepoint(pos): | |
| 61 if isinstance(child, ContainerView): | |
| 62 # calculates position relative to child | |
| 63 x = pos[0] - child.rect[0] | |
| 64 y = pos[1] - child.rect[1] | |
| 65 return child.get_child_by_pos((x, y)) | |
| 66 else: | |
| 67 return child | |
| 68 | |
| 69 def draw_children(self, surface): | |
| 70 for child in self.children: | |
| 71 child.draw(surface) | |
| 72 | |
| 73 | |
| 37 | 74 class Window(Clickable, ContainerView): |
| 38 | 75 |
| 76 def __init__(self, screen): | |
| 77 super(Window, self).__init__() | |
| 78 self.surface = Surface((screen.get_width(), screen.get_height())) | |
| 79 self.background_colour = None | |
| 80 self.background_image = None | |
| 81 self.pressed_child = None | |
| 82 | |
| 83 def on_mouse_down(self, pos): | |
| 84 child = self.get_child_by_pos(pos) | |
| 85 if isinstance(child, Clickable): | |
| 86 # calculates position relative to child | |
| 87 x = pos[0] - child.rect[0] | |
| 88 y = pos[1] - child.rect[1] | |
| 89 child.on_mouse_down((x, y)) | |
| 90 self.pressed_child = child | |
| 91 | |
| 92 def on_mouse_up(self, pos): | |
| 93 if self.pressed_child: | |
| 94 child = self.pressed_child | |
| 95 x = pos[0] - child.rect[0] | |
| 96 y = pos[1] - child.rect[1] | |
| 97 child.on_mouse_up((x, y)) | |
| 98 self.pressed_child = None | |
| 99 | |
| 100 def on_mouse_move(self, pos): | |
| 101 if self.pressed_child: | |
| 102 if self.pressed_child != self.get_child_by_pos(pos): | |
| 103 self.pressed_child.on_mouse_cancel() | |
| 104 self.pressed_child = None | |
| 105 | |
| 106 def draw(self, screen): | |
| 107 if self.background_colour: | |
| 108 self.surface.fill(self.background_colour) | |
|
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fixed widget drawing bugs
Rizmari Versfeld <rizziepit@gmail.com>
parents:
64
diff
changeset
|
109 else: |
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parents:
64
diff
changeset
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110 self.surface.fill((0, 0, 0, 255)) |
| 38 | 111 if self.background_image: |
| 112 self.surface.blit(self.background_image, (0, 0)) | |
| 113 self.draw_children(self.surface) | |
| 114 screen.blit(self.surface, (0, 0)) | |
| 115 | |
| 37 | 116 |
| 117 class StateDrawable(Drawable): | |
| 38 | 118 |
| 119 def __init__(self, rect): | |
| 120 super(StateDrawable, self).__init__(rect) | |
| 121 self.state = -1 | |
| 122 self.states = {} | |
| 123 self.drawables = [] | |
| 124 self.surface = Surface((self.rect[2], self.rect[3])) | |
| 125 | |
| 126 def draw(self, surface): | |
| 127 if self.state != -1 and self.drawables[self.state]: | |
| 128 self.drawables[self.state].draw(surface) | |
| 129 | |
| 130 def add_state(self, state_name, drawable): | |
| 131 self.states[state_name] = len(self.drawables) | |
| 132 self.drawables.append(drawable) | |
| 133 | |
| 134 def set_state(self, state_name): | |
| 135 self.state = self.states[state_name] | |
| 136 | |
| 137 | |
| 37 | 138 class Button(Clickable, StateDrawable): |
| 38 | 139 |
| 140 def __init__(self, rect, normal_drawable, down_drawable): | |
| 141 super(Button, self).__init__(rect) | |
| 142 self.add_state('NORMAL', normal_drawable) | |
| 143 self.add_state('DOWN', down_drawable) | |
| 144 self.set_state('NORMAL') | |
| 145 | |
| 146 def on_mouse_down(self, pos): | |
| 147 self.set_state('DOWN') | |
| 148 | |
| 149 def on_mouse_up(self, pos): | |
| 150 self.set_state('NORMAL') | |
| 151 self.on_click() | |
| 152 | |
| 153 def on_mouse_cancel(self): | |
| 154 self.set_state('NORMAL') | |
| 155 | |
| 156 | |
| 37 | 157 class TextButton(Button): |
| 158 | |
|
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Make button font a parameter. Tweak indication of points to be spent
Neil Muller <drnlmuller@gmail.com>
parents:
55
diff
changeset
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159 def __init__(self, rect, normal_drawable, down_drawable, text, font, |
|
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Make button font a parameter. Tweak indication of points to be spent
Neil Muller <drnlmuller@gmail.com>
parents:
55
diff
changeset
|
160 shadow): |
| 38 | 161 super(TextButton, self).__init__(rect, normal_drawable, down_drawable) |
| 70 | 162 self.surface = Surface((rect[2], rect[3]), SRCALPHA) |
| 38 | 163 self.text = text |
|
110
ff7c953502d5
Auto-downsize fonts on BigButtons that are too large.
Simon Cross <hodgestar@gmail.com>
parents:
74
diff
changeset
|
164 if font is font_auto: |
|
ff7c953502d5
Auto-downsize fonts on BigButtons that are too large.
Simon Cross <hodgestar@gmail.com>
parents:
74
diff
changeset
|
165 font = self._auto_font() |
|
62
38f41d046c6f
Make button font a parameter. Tweak indication of points to be spent
Neil Muller <drnlmuller@gmail.com>
parents:
55
diff
changeset
|
166 self.font = font |
|
38f41d046c6f
Make button font a parameter. Tweak indication of points to be spent
Neil Muller <drnlmuller@gmail.com>
parents:
55
diff
changeset
|
167 self.shadow = shadow |
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55
86d83dcb7d42
Make text drawing easier to poke at for subclasses
Neil Muller <drnlmuller@gmail.com>
parents:
39
diff
changeset
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168 self._draw_text() |
|
86d83dcb7d42
Make text drawing easier to poke at for subclasses
Neil Muller <drnlmuller@gmail.com>
parents:
39
diff
changeset
|
169 |
|
110
ff7c953502d5
Auto-downsize fonts on BigButtons that are too large.
Simon Cross <hodgestar@gmail.com>
parents:
74
diff
changeset
|
170 def _auto_font(self): |
|
ff7c953502d5
Auto-downsize fonts on BigButtons that are too large.
Simon Cross <hodgestar@gmail.com>
parents:
74
diff
changeset
|
171 for font in (font_large, font_medium): |
|
ff7c953502d5
Auto-downsize fonts on BigButtons that are too large.
Simon Cross <hodgestar@gmail.com>
parents:
74
diff
changeset
|
172 h, w = font.size(self.text) |
|
ff7c953502d5
Auto-downsize fonts on BigButtons that are too large.
Simon Cross <hodgestar@gmail.com>
parents:
74
diff
changeset
|
173 if w < self.rect.width and h < self.rect.height: |
|
ff7c953502d5
Auto-downsize fonts on BigButtons that are too large.
Simon Cross <hodgestar@gmail.com>
parents:
74
diff
changeset
|
174 return font |
|
ff7c953502d5
Auto-downsize fonts on BigButtons that are too large.
Simon Cross <hodgestar@gmail.com>
parents:
74
diff
changeset
|
175 return font_small |
|
ff7c953502d5
Auto-downsize fonts on BigButtons that are too large.
Simon Cross <hodgestar@gmail.com>
parents:
74
diff
changeset
|
176 |
|
55
86d83dcb7d42
Make text drawing easier to poke at for subclasses
Neil Muller <drnlmuller@gmail.com>
parents:
39
diff
changeset
|
177 def _draw_text(self): |
|
62
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Make button font a parameter. Tweak indication of points to be spent
Neil Muller <drnlmuller@gmail.com>
parents:
55
diff
changeset
|
178 self.font.set_bold(True) |
|
68
7309392d9ca9
fixed widget drawing bugs
Rizmari Versfeld <rizziepit@gmail.com>
parents:
64
diff
changeset
|
179 self.text_surface = self.font.render(self.text, True, (0, 0, 0)) |
| 69 | 180 size = self.font.size(self.text) |
|
62
38f41d046c6f
Make button font a parameter. Tweak indication of points to be spent
Neil Muller <drnlmuller@gmail.com>
parents:
55
diff
changeset
|
181 if self.shadow: |
| 69 | 182 s = self.font.render(self.text, True, (128, 128, 128)) |
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prettified main menu - temp background
Rizmari Versfeld <rizziepit@gmail.com>
parents:
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diff
changeset
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183 temp = Surface((s.get_width() + 1, s.get_width() + 1), SRCALPHA) |
| 71 | 184 temp.fill((255, 255, 255, 0)) |
|
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prettified main menu - temp background
Rizmari Versfeld <rizziepit@gmail.com>
parents:
71
diff
changeset
|
185 temp.blit(s, (1, 1)) |
| 71 | 186 temp.blit(self.text_surface, (0, 0)) |
| 187 self.text_surface = temp | |
|
68
7309392d9ca9
fixed widget drawing bugs
Rizmari Versfeld <rizziepit@gmail.com>
parents:
64
diff
changeset
|
188 size = [s + 2 for s in size] |
|
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86d83dcb7d42
Make text drawing easier to poke at for subclasses
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parents:
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diff
changeset
|
189 self.text_offset = ((self.rect[2] - size[0]) / 2, |
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86d83dcb7d42
Make text drawing easier to poke at for subclasses
Neil Muller <drnlmuller@gmail.com>
parents:
39
diff
changeset
|
190 (self.rect[3] - size[1]) / 2) |
|
68
7309392d9ca9
fixed widget drawing bugs
Rizmari Versfeld <rizziepit@gmail.com>
parents:
64
diff
changeset
|
191 self.font.set_bold(False) |
| 37 | 192 |
| 38 | 193 def draw(self, surface): |
| 194 self.surface.fill((0, 0, 0, 0)) | |
| 195 super(TextButton, self).draw(self.surface) | |
| 196 self.surface.blit(self.text_surface, self.text_offset) | |
| 197 surface.blit(self.surface, self.rect) | |
| 64 | 198 |
| 199 | |
| 200 class TextLabel(Drawable): | |
| 201 | |
| 202 def __init__(self, rect, text, font, color): | |
| 203 super(TextLabel, self).__init__(rect) | |
|
68
7309392d9ca9
fixed widget drawing bugs
Rizmari Versfeld <rizziepit@gmail.com>
parents:
64
diff
changeset
|
204 self.surface = Surface((rect[2], rect[3]), pygame.SRCALPHA) |
| 64 | 205 self.text = text |
| 206 self.font = font | |
| 207 self.color = color | |
| 208 self._draw_text() | |
| 209 | |
| 210 def _draw_text(self): | |
| 211 self.text_surface = self.font.render(self.text, True, self.color) | |
| 212 size = self.font.size(self.text) | |
| 213 # We centre vertically, but start at left edge | |
| 214 self.text_offset = (0, (self.rect[3] - size[1]) / 2) | |
| 215 | |
| 216 def draw(self, surface): | |
| 217 self.surface.fill((0, 0, 0, 0)) | |
| 218 super(TextLabel, self).draw(self.surface) | |
| 219 self.surface.blit(self.text_surface, self.text_offset) | |
| 220 surface.blit(self.surface, self.rect) |