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refactor out the last two decisions in the directional navigation so instead of being test code that can only move left, they now move in all four directions

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This commit is contained in:
Chris Jones 2010-01-20 13:04:14 +00:00
parent ddce3a862d
commit ee72ae478f
2 changed files with 26 additions and 4 deletions
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6
terminatorlib/terminator.py
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@ -124,7 +124,6 @@ class Terminator(Borg):
if next < 0:
next = length - 1
elif direction in ['left', 'right', 'up', 'down']:
print direction
window = get_top_window(terminal)
layout = window.get_visible_terminals()
@ -147,8 +146,7 @@ class Terminator(Borg):
offsets = {}
for term in possibles:
rect = layout[term]
offset = edge - (rect.x + rect.width)
offsets[term] = offset
offsets[term] = util.get_nav_offset(edge, rect, direction)
keys = offsets.values()
keys.sort()
winners = [k for k, v in offsets.iteritems() if v == keys[0]]
@ -160,7 +158,7 @@ class Terminator(Borg):
cursor_y = cursor_y + allocation.y
for term in winners:
rect = layout[term]
if cursor_y >= rect.y and cursor_y <= (rect.y + rect.height):
if util.get_nav_tiebreak(direction, cursor_x, cursor_y, rect):
next = self.terminals.index(term)
break;
else:

24
terminatorlib/util.py
View File

@ -202,3 +202,27 @@ def get_nav_possible(edge, allocation, direction):
else:
raise ValueError('Unknown direction: %s' % direction)
def get_nav_offset(edge, allocation, direction):
"""Work out how far edge is from a particular point on the allocation
rectangle, in the given direction"""
if direction == 'left':
return(edge - (allocation.x + allocation.width))
elif direction == 'right':
return(edge + allocation.x)
elif direction == 'up':
return(edge - (allocation.y - allocation.height))
elif direction == 'down':
return(edge + allocation.y)
else:
raise ValueError('Unknown direction: %s' % direction)
def get_nav_tiebreak(direction, cursor_x, cursor_y, rect):
"""We have multiple candidate terminals. Pick the closest by cursor
position"""
if direction in ['left', 'right']:
return(cursor_y >= rect.y and cursor_y <= (rect.y + rect.height))
elif direction in ['up', 'down']:
return(cursor_x >= rect.x and cursor_x <= (rect.x + rect.width))
else:
raise ValueError('Unknown direction: %s' % direction)