Mercurial > sypikslang
annotate gamelib/gui_base.py @ 82:b0d97d51df51
Hook up simplistic equipment screen
author | Neil Muller <drnlmuller@gmail.com> |
---|---|
date | Wed, 09 May 2012 16:51:26 +0200 |
parents | 22b65c943712 |
children | ff7c953502d5 93ba0f1b4e06 |
rev | line source |
---|---|
37 | 1 import pygame |
70 | 2 from pygame.locals import SRCALPHA |
39
d82d3e54a4ef
fixed more pep8 issues
Rizmari Versfeld <rizziepit@gmail.com>
parents:
38
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) | |
14 | |
15 | |
16 class Drawable(object): | |
38 | 17 |
18 def __init__(self, rect): | |
19 if isinstance(rect, Rect): | |
20 self.rect = rect | |
21 else: | |
22 self.rect = Rect(rect[0], rect[1], rect[2], rect[3]) | |
23 | |
24 def draw(self, surface): | |
25 pass | |
26 | |
27 | |
37 | 28 class Clickable(object): |
38 | 29 |
30 def on_mouse_down(self, pos): | |
31 pass | |
32 | |
33 def on_mouse_up(self, pos): | |
34 pass | |
35 | |
36 def on_mouse_move(self, pos): | |
37 pass | |
38 | |
39 def on_mouse_cancel(self): | |
40 pass | |
41 | |
42 def on_click(self): | |
43 pass | |
44 | |
37 | 45 |
46 class ContainerView(Drawable): | |
38 | 47 |
48 def __init__(self): | |
49 self.children = [] | |
50 | |
51 def add_child(self, child): | |
52 self.children.append(child) | |
53 | |
54 def remove_child(self, child): | |
55 self.children.remove(child) | |
56 | |
57 def get_child_by_pos(self, pos): | |
58 for child in self.children: | |
59 if child.rect.collidepoint(pos): | |
60 if isinstance(child, ContainerView): | |
61 # calculates position relative to child | |
62 x = pos[0] - child.rect[0] | |
63 y = pos[1] - child.rect[1] | |
64 return child.get_child_by_pos((x, y)) | |
65 else: | |
66 return child | |
67 | |
68 def draw_children(self, surface): | |
69 for child in self.children: | |
70 child.draw(surface) | |
71 | |
72 | |
37 | 73 class Window(Clickable, ContainerView): |
38 | 74 |
75 def __init__(self, screen): | |
76 super(Window, self).__init__() | |
77 self.surface = Surface((screen.get_width(), screen.get_height())) | |
78 self.background_colour = None | |
79 self.background_image = None | |
80 self.pressed_child = None | |
81 | |
82 def on_mouse_down(self, pos): | |
83 child = self.get_child_by_pos(pos) | |
84 if isinstance(child, Clickable): | |
85 # calculates position relative to child | |
86 x = pos[0] - child.rect[0] | |
87 y = pos[1] - child.rect[1] | |
88 child.on_mouse_down((x, y)) | |
89 self.pressed_child = child | |
90 | |
91 def on_mouse_up(self, pos): | |
92 if self.pressed_child: | |
93 child = self.pressed_child | |
94 x = pos[0] - child.rect[0] | |
95 y = pos[1] - child.rect[1] | |
96 child.on_mouse_up((x, y)) | |
97 self.pressed_child = None | |
98 | |
99 def on_mouse_move(self, pos): | |
100 if self.pressed_child: | |
101 if self.pressed_child != self.get_child_by_pos(pos): | |
102 self.pressed_child.on_mouse_cancel() | |
103 self.pressed_child = None | |
104 | |
105 def draw(self, screen): | |
106 if self.background_colour: | |
107 self.surface.fill(self.background_colour) | |
68
7309392d9ca9
fixed widget drawing bugs
Rizmari Versfeld <rizziepit@gmail.com>
parents:
64
diff
changeset
|
108 else: |
7309392d9ca9
fixed widget drawing bugs
Rizmari Versfeld <rizziepit@gmail.com>
parents:
64
diff
changeset
|
109 self.surface.fill((0, 0, 0, 255)) |
38 | 110 if self.background_image: |
111 self.surface.blit(self.background_image, (0, 0)) | |
112 self.draw_children(self.surface) | |
113 screen.blit(self.surface, (0, 0)) | |
114 | |
37 | 115 |
116 class StateDrawable(Drawable): | |
38 | 117 |
118 def __init__(self, rect): | |
119 super(StateDrawable, self).__init__(rect) | |
120 self.state = -1 | |
121 self.states = {} | |
122 self.drawables = [] | |
123 self.surface = Surface((self.rect[2], self.rect[3])) | |
124 | |
125 def draw(self, surface): | |
126 if self.state != -1 and self.drawables[self.state]: | |
127 self.drawables[self.state].draw(surface) | |
128 | |
129 def add_state(self, state_name, drawable): | |
130 self.states[state_name] = len(self.drawables) | |
131 self.drawables.append(drawable) | |
132 | |
133 def set_state(self, state_name): | |
134 self.state = self.states[state_name] | |
135 | |
136 | |
37 | 137 class Button(Clickable, StateDrawable): |
38 | 138 |
139 def __init__(self, rect, normal_drawable, down_drawable): | |
140 super(Button, self).__init__(rect) | |
141 self.add_state('NORMAL', normal_drawable) | |
142 self.add_state('DOWN', down_drawable) | |
143 self.set_state('NORMAL') | |
144 | |
145 def on_mouse_down(self, pos): | |
146 self.set_state('DOWN') | |
147 | |
148 def on_mouse_up(self, pos): | |
149 self.set_state('NORMAL') | |
150 self.on_click() | |
151 | |
152 def on_mouse_cancel(self): | |
153 self.set_state('NORMAL') | |
154 | |
155 | |
37 | 156 class TextButton(Button): |
157 | |
62
38f41d046c6f
Make button font a parameter. Tweak indication of points to be spent
Neil Muller <drnlmuller@gmail.com>
parents:
55
diff
changeset
|
158 def __init__(self, rect, normal_drawable, down_drawable, text, font, |
38f41d046c6f
Make button font a parameter. Tweak indication of points to be spent
Neil Muller <drnlmuller@gmail.com>
parents:
55
diff
changeset
|
159 shadow): |
38 | 160 super(TextButton, self).__init__(rect, normal_drawable, down_drawable) |
70 | 161 self.surface = Surface((rect[2], rect[3]), SRCALPHA) |
38 | 162 self.text = text |
62
38f41d046c6f
Make button font a parameter. Tweak indication of points to be spent
Neil Muller <drnlmuller@gmail.com>
parents:
55
diff
changeset
|
163 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
|
164 self.shadow = shadow |
55
86d83dcb7d42
Make text drawing easier to poke at for subclasses
Neil Muller <drnlmuller@gmail.com>
parents:
39
diff
changeset
|
165 self._draw_text() |
86d83dcb7d42
Make text drawing easier to poke at for subclasses
Neil Muller <drnlmuller@gmail.com>
parents:
39
diff
changeset
|
166 |
86d83dcb7d42
Make text drawing easier to poke at for subclasses
Neil Muller <drnlmuller@gmail.com>
parents:
39
diff
changeset
|
167 def _draw_text(self): |
62
38f41d046c6f
Make button font a parameter. Tweak indication of points to be spent
Neil Muller <drnlmuller@gmail.com>
parents:
55
diff
changeset
|
168 self.font.set_bold(True) |
68
7309392d9ca9
fixed widget drawing bugs
Rizmari Versfeld <rizziepit@gmail.com>
parents:
64
diff
changeset
|
169 self.text_surface = self.font.render(self.text, True, (0, 0, 0)) |
69 | 170 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
|
171 if self.shadow: |
69 | 172 s = self.font.render(self.text, True, (128, 128, 128)) |
74
22b65c943712
prettified main menu - temp background
Rizmari Versfeld <rizziepit@gmail.com>
parents:
71
diff
changeset
|
173 temp = Surface((s.get_width() + 1, s.get_width() + 1), SRCALPHA) |
71 | 174 temp.fill((255, 255, 255, 0)) |
74
22b65c943712
prettified main menu - temp background
Rizmari Versfeld <rizziepit@gmail.com>
parents:
71
diff
changeset
|
175 temp.blit(s, (1, 1)) |
71 | 176 temp.blit(self.text_surface, (0, 0)) |
177 self.text_surface = temp | |
68
7309392d9ca9
fixed widget drawing bugs
Rizmari Versfeld <rizziepit@gmail.com>
parents:
64
diff
changeset
|
178 size = [s + 2 for s in size] |
55
86d83dcb7d42
Make text drawing easier to poke at for subclasses
Neil Muller <drnlmuller@gmail.com>
parents:
39
diff
changeset
|
179 self.text_offset = ((self.rect[2] - size[0]) / 2, |
86d83dcb7d42
Make text drawing easier to poke at for subclasses
Neil Muller <drnlmuller@gmail.com>
parents:
39
diff
changeset
|
180 (self.rect[3] - size[1]) / 2) |
68
7309392d9ca9
fixed widget drawing bugs
Rizmari Versfeld <rizziepit@gmail.com>
parents:
64
diff
changeset
|
181 self.font.set_bold(False) |
37 | 182 |
38 | 183 def draw(self, surface): |
184 self.surface.fill((0, 0, 0, 0)) | |
185 super(TextButton, self).draw(self.surface) | |
186 self.surface.blit(self.text_surface, self.text_offset) | |
187 surface.blit(self.surface, self.rect) | |
64 | 188 |
189 | |
190 class TextLabel(Drawable): | |
191 | |
192 def __init__(self, rect, text, font, color): | |
193 super(TextLabel, self).__init__(rect) | |
68
7309392d9ca9
fixed widget drawing bugs
Rizmari Versfeld <rizziepit@gmail.com>
parents:
64
diff
changeset
|
194 self.surface = Surface((rect[2], rect[3]), pygame.SRCALPHA) |
64 | 195 self.text = text |
196 self.font = font | |
197 self.color = color | |
198 self._draw_text() | |
199 | |
200 def _draw_text(self): | |
201 self.text_surface = self.font.render(self.text, True, self.color) | |
202 size = self.font.size(self.text) | |
203 # We centre vertically, but start at left edge | |
204 self.text_offset = (0, (self.rect[3] - size[1]) / 2) | |
205 | |
206 def draw(self, surface): | |
207 self.surface.fill((0, 0, 0, 0)) | |
208 super(TextLabel, self).draw(self.surface) | |
209 self.surface.blit(self.text_surface, self.text_offset) | |
210 surface.blit(self.surface, self.rect) |