| author | Radek Brich <radek.brich@devl.cz> |
| Sun, 16 Dec 2012 20:49:54 +0100 | |
| changeset 34 | e3beacd5e536 |
| parent 32 | 088b92ffb119 |
| child 40 | 5faa38c10b67 |
| permissions | -rw-r--r-- |
| 0 | 1 |
# -*- coding: utf-8 -*- |
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18
e6c3a5ee91aa
Eliminate relative imports.
Radek Brich <radek.brich@devl.cz>
parents:
9
diff
changeset
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from tuikit.widget import Widget |
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class VScrollbar(Widget): |
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def __init__(self, height=10): |
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Widget.__init__(self, 1, height) |
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self.max = height - 3 |
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self.pos = 0 |
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self.thumbpos = 0 |
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self.interval = 0.1 |
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self.dragging = False |
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self.move = None |
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32
088b92ffb119
Clean up, refactoring. Rename EventSource to Emitter, begin merging emit() method with handle().
Radek Brich <radek.brich@devl.cz>
parents:
24
diff
changeset
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self.add_events('change')
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def setpos(self, pos): |
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self.pos = pos |
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3
33ec838dc021
Fixed escape sequence handling.
Radek Brich <radek.brich@devl.cz>
parents:
0
diff
changeset
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24 |
self.thumbpos = 0 |
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33ec838dc021
Fixed escape sequence handling.
Radek Brich <radek.brich@devl.cz>
parents:
0
diff
changeset
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25 |
if self.max and self.pos <= self.max: |
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33ec838dc021
Fixed escape sequence handling.
Radek Brich <radek.brich@devl.cz>
parents:
0
diff
changeset
|
26 |
self.thumbpos = int(round(self.pos / self.max * (self.height - 3))) |
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def on_draw(self, screen, x, y): |
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34
e3beacd5e536
Update event propagation, keypress event, focusing.
Radek Brich <radek.brich@devl.cz>
parents:
32
diff
changeset
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super().on_draw(screen, x, y) |
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24
b248ef500557
Add DriverPygame (incomplete). Move unicode graphics constants to UnicodeGraphics class. Move shared parts of drivers to Driver base class.
Radek Brich <radek.brich@devl.cz>
parents:
18
diff
changeset
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31 |
screen.putch(x, y, screen.unigraph.UP_ARROW) |
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for i in range(y + 1, y + self.height - 1): |
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24
b248ef500557
Add DriverPygame (incomplete). Move unicode graphics constants to UnicodeGraphics class. Move shared parts of drivers to Driver base class.
Radek Brich <radek.brich@devl.cz>
parents:
18
diff
changeset
|
33 |
screen.putch(x, i, screen.unigraph.LIGHT_SHADE) |
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b248ef500557
Add DriverPygame (incomplete). Move unicode graphics constants to UnicodeGraphics class. Move shared parts of drivers to Driver base class.
Radek Brich <radek.brich@devl.cz>
parents:
18
diff
changeset
|
34 |
screen.putch(x, y + 1 + self.thumbpos, screen.unigraph.BLOCK) |
|
b248ef500557
Add DriverPygame (incomplete). Move unicode graphics constants to UnicodeGraphics class. Move shared parts of drivers to Driver base class.
Radek Brich <radek.brich@devl.cz>
parents:
18
diff
changeset
|
35 |
screen.putch(x, y + self.height - 1, screen.unigraph.DOWN_ARROW) |
| 0 | 36 |
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def on_mousedown(self, ev): |
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34
e3beacd5e536
Update event propagation, keypress event, focusing.
Radek Brich <radek.brich@devl.cz>
parents:
32
diff
changeset
|
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super().on_mousedown(ev) |
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self.dragging = False |
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self.move = None |
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# arrow buttons |
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if ev.wy == 0 or ev.wy == self.height - 1: |
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if ev.wy == 0: |
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self.move_up() |
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else: |
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self.move_down() |
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34
e3beacd5e536
Update event propagation, keypress event, focusing.
Radek Brich <radek.brich@devl.cz>
parents:
32
diff
changeset
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self.top.add_timeout(self.interval * 2, self._timeout) |
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return |
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# thumb bar |
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if ev.wy == 1 + self.thumbpos: |
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self.dragging = True |
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return |
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def on_mouseup(self, ev): |
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34
e3beacd5e536
Update event propagation, keypress event, focusing.
Radek Brich <radek.brich@devl.cz>
parents:
32
diff
changeset
|
57 |
super().on_mouseup(ev) |
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if self.dragging: |
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self.drag(ev.wy) |
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self.dragging = False |
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return |
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if self.move: |
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34
e3beacd5e536
Update event propagation, keypress event, focusing.
Radek Brich <radek.brich@devl.cz>
parents:
32
diff
changeset
|
63 |
self.top.remove_timeout(self._timeout) |
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self.move = None |
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return |
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def on_mousemove(self, ev): |
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34
e3beacd5e536
Update event propagation, keypress event, focusing.
Radek Brich <radek.brich@devl.cz>
parents:
32
diff
changeset
|
69 |
super().on_mousemove(ev) |
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if self.dragging: |
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self.drag(ev.wy) |
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34
e3beacd5e536
Update event propagation, keypress event, focusing.
Radek Brich <radek.brich@devl.cz>
parents:
32
diff
changeset
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74 |
def _timeout(self): |
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if self.move == 'up': |
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self.move_up() |
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if self.move == 'down': |
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self.move_down() |
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34
e3beacd5e536
Update event propagation, keypress event, focusing.
Radek Brich <radek.brich@devl.cz>
parents:
32
diff
changeset
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79 |
self.top.add_timeout(self.interval, self._timeout) |
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def move_up(self): |
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if self.pos > 0: |
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self.setpos(self.pos - 1) |
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self.move = 'up' |
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self.redraw() |
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34
e3beacd5e536
Update event propagation, keypress event, focusing.
Radek Brich <radek.brich@devl.cz>
parents:
32
diff
changeset
|
87 |
self.emit('change')
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| 0 | 88 |
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def move_down(self): |
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if self.pos < self.max: |
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self.setpos(self.pos + 1) |
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self.move = 'down' |
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self.redraw() |
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34
e3beacd5e536
Update event propagation, keypress event, focusing.
Radek Brich <radek.brich@devl.cz>
parents:
32
diff
changeset
|
95 |
self.emit('change')
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| 0 | 96 |
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def drag(self, wy): |
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newpos = int(round((wy - 1) / (self.height - 3) * self.max)) |
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if newpos < 0: |
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newpos = 0 |
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if newpos > self.max: |
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newpos = self.max |
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if self.pos != newpos: |
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self.setpos(newpos) |
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self.redraw() |
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34
e3beacd5e536
Update event propagation, keypress event, focusing.
Radek Brich <radek.brich@devl.cz>
parents:
32
diff
changeset
|
107 |
self.emit('change')
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| 0 | 108 |