+++ /dev/null
-# Abstract classes for parents and children.
-#
-# Do not use as base class -- this is for documentation only.
-#
-# Note that the tree must be built top down (create the parent,
-# then add the children).
-#
-# Also note that the creation methods are not standardized --
-# these have extra parameters dependent on the widget type.
-# For historical reasons, button creation methods are called
-# define() while split creation methods are called create().
-
-class AbstractParent:
- #
- # Upcalls from child to parent
- #
- def addchild(self, child): unimpl()
- def delchild(self, child): unimpl()
- #
- def need_mouse(self, child): unimpl()
- def no_mouse(self, child): unimpl()
- #
- def need_timer(self, child): unimpl()
- def no_timer(self, child): unimpl()
- #
- # XXX need_kbd, no_kbd; focus???
- #
- def begindrawing(self): return unimpl()
- def beginmeasuring(self): return unimpl()
- def getwindow(self): return unimpl() # Only for very special cases
- #
- def change(self, area): unimpl()
- def scroll(self, area, (dh, dv)): unimpl()
- def settimer(self, itimer): unimpl()
-
-class AbstractChild:
- #
- # Downcalls from parent to child
- #
- def destroy(self): unimpl()
- #
- def realize(self): return unimpl()
- def getminsize(self, m, (width, height)): return unimpl()
- def getbounds(self): return unimpl()
- def setbounds(self, bounds): unimpl()
- def draw(self, d, area): unimpl()
- #
- # Downcalls only made after certain upcalls
- #
- def mouse_down(self, detail): unimpl()
- def mouse_move(self, detail): unimpl()
- def mouse_up(self, detail): unimpl()
- #
- def timer(self): unimpl()
-
-# A "Split" is a child that manages one or more children.
-# (This terminology is due to DEC SRC, except for CSplits.)
-# A child of a split may be another split, a button, a slider, etc.
-# Certain upcalls and downcalls can be handled transparently, but
-# for others (e.g., all geometry related calls) this is not possible.
-
-class AbstractSplit(AbstractChild, AbstractParent):
- pass
+++ /dev/null
-from TransParent import TransParent
-
-class BoxParent(TransParent):
- #
- def create(self, parent, (dh, dv)):
- self = TransParent.create(self, parent)
- self.dh = dh
- self.dv = dv
- return self
- #
- def getminsize(self, m, (width, height)):
- width = max(0, width - 2*self.dh)
- height = max(0, height - 2*self.dv)
- width, height = self.child.getminsize(m, (width, height))
- return width + 2*self.dh, height + 2*self.dv
- #
- def setbounds(self, bounds):
- (left, top), (right, bottom) = bounds
- self.bounds = bounds
- left = min(right, left + self.dh)
- top = min(bottom, top + self.dv)
- right = max(left, right - self.dh)
- bottom = max(top, bottom - self.dv)
- self.innerbounds = (left, top), (right, bottom)
- self.child.setbounds(self.innerbounds)
- #
- def getbounds(self):
- return self.bounds
- #
- def draw(self, d, area):
- (left, top), (right, bottom) = self.bounds
- left = left + 1
- top = top + 1
- right = right - 1
- bottom = bottom - 1
- d.box((left, top), (right, bottom))
- TransParent.draw(self, d, area) # XXX clip to innerbounds?
- #
- # XXX should scroll clip to innerbounds???
- # XXX currently the only user restricts itself to child's bounds
+++ /dev/null
-# Module 'Buttons'
-
-
-# Import module 'rect' renamed as '_rect' to avoid exporting it on
-# 'from Buttons import *'
-#
-import rect
-_rect = rect
-del rect
-
-
-# Field indices in mouse event detail
-#
-_HV = 0
-_CLICKS = 1
-_BUTTON = 2
-_MASK = 3
-
-
-# LabelAppearance provides defaults for all appearance methods.
-# selected state not visible
-# disabled --> crossed out
-# hilited --> inverted
-#
-class LabelAppearance:
- #
- # Initialization
- #
- def init_appearance(self):
- self.bounds = _rect.empty
- self.enabled = 1
- self.hilited = 0
- self.selected = 0
- self.text = ''
- #
- # Size enquiry
- #
- def getminsize(self, m, (width, height)):
- width = max(width, m.textwidth(self.text) + 6)
- height = max(height, m.lineheight() + 6)
- return width, height
- #
- def getbounds(self):
- return self.bounds
- #
- # Changing the parameters
- #
- def settext(self, text):
- self.text = text
- if self.bounds <> _rect.empty:
- self.recalctextpos()
- self.redraw()
- #
- def setbounds(self, bounds):
- self.bounds = bounds
- if self.bounds <> _rect.empty:
- self.recalc()
- #
- def realize(self):
- pass
- #
- # Changing the state bits
- #
- def enable(self, flag):
- if flag <> self.enabled:
- self.enabled = flag
- if self.bounds <> _rect.empty:
- self.flipenable(self.parent.begindrawing())
- #
- def hilite(self, flag):
- if flag <> self.hilited:
- self.hilited = flag
- if self.bounds <> _rect.empty:
- self.fliphilite(self.parent.begindrawing())
- #
- def select(self, flag):
- if flag <> self.selected:
- self.selected = flag
- if self.bounds <> _rect.empty:
- self.redraw()
- #
- # Recalculate the box bounds and text position.
- # This can be overridden by buttons that draw different boxes
- # or want their text in a different position.
- #
- def recalc(self):
- if self.bounds <> _rect.empty:
- self.recalcbounds()
- self.recalctextpos()
- #
- def recalcbounds(self):
- self.hilitebounds = _rect.inset(self.bounds, (3, 3))
- self.crossbounds = self.bounds
- #
- def recalctextpos(self):
- (left, top), (right, bottom) = self.bounds
- m = self.parent.beginmeasuring()
- h = (left + right - m.textwidth(self.text)) / 2
- v = (top + bottom - m.lineheight()) / 2
- self.textpos = h, v
- #
- # Generic drawing interface.
- # Do not override redraw() or draw() methods; override drawit() c.s.
- #
- def redraw(self):
- if self.bounds <> _rect.empty:
- d = self.parent.begindrawing()
- d.erase(self.bounds)
- self.draw(d, self.bounds)
- #
- def draw(self, d, area):
- area = _rect.intersect([area, self.bounds])
- if area == _rect.empty:
- return
- d.cliprect(area)
- self.drawit(d)
- d.noclip()
- #
- # The drawit() method is fairly generic but may be overridden.
- #
- def drawit(self, d):
- self.drawpict(d)
- if self.text:
- d.text(self.textpos, self.text)
- if not self.enabled:
- self.flipenable(d)
- if self.hilited:
- self.fliphilite(d)
- #
- # Default drawing detail functions.
- # Overriding these is normally sufficient to get different
- # appearances.
- #
- def drawpict(self, d):
- pass
- #
- def flipenable(self, d):
- _xorcross(d, self.crossbounds)
- #
- def fliphilite(self, d):
- d.invert(self.hilitebounds)
-
-
-# A Strut is a label with no width of its own.
-
-class StrutAppearance(LabelAppearance):
- #
- def getminsize(self, m, (width, height)):
- height = max(height, m.lineheight() + 6)
- return width, height
- #
-
-
-# ButtonAppearance displays a centered string in a box.
-# selected --> bold border
-# disabled --> crossed out
-# hilited --> inverted
-#
-class ButtonAppearance(LabelAppearance):
- #
- def drawpict(self, d):
- d.box(_rect.inset(self.bounds, (1, 1)))
- if self.selected:
- # Make a thicker box
- d.box(self.bounds)
- d.box(_rect.inset(self.bounds, (2, 2)))
- d.box(_rect.inset(self.bounds, (3, 3)))
- #
-
-
-# CheckAppearance displays a small square box and a left-justified string.
-# selected --> a cross appears in the box
-# disabled --> whole button crossed out
-# hilited --> box is inverted
-#
-class CheckAppearance(LabelAppearance):
- #
- def getminsize(self, m, (width, height)):
- minwidth = m.textwidth(self.text) + 6
- minheight = m.lineheight() + 6
- width = max(width, minwidth + minheight + m.textwidth(' '))
- height = max(height, minheight)
- return width, height
- #
- def drawpict(self, d):
- d.box(self.boxbounds)
- if self.selected: _xorcross(d, self.boxbounds)
- #
- def recalcbounds(self):
- LabelAppearance.recalcbounds(self)
- (left, top), (right, bottom) = self.bounds
- self.size = bottom - top - 4
- self.boxbounds = (left+2, top+2), (left+2+self.size, bottom-2)
- self.hilitebounds = self.boxbounds
- #
- def recalctextpos(self):
- m = self.parent.beginmeasuring()
- (left, top), (right, bottom) = self.boxbounds
- h = right + m.textwidth(' ')
- v = top + (self.size - m.lineheight()) / 2
- self.textpos = h, v
- #
-
-
-# RadioAppearance displays a round indicator and a left-justified string.
-# selected --> a dot appears in the indicator
-# disabled --> whole button crossed out
-# hilited --> indicator is inverted
-#
-class RadioAppearance(CheckAppearance):
- #
- def drawpict(self, d):
- (left, top), (right, bottom) = self.boxbounds
- radius = self.size / 2
- center = left + radius, top + radius
- d.circle(center, radius)
- if self.selected:
- d.fillcircle(center, radius*3/5)
- #
-
-
-# NoReactivity ignores mouse events.
-#
-class NoReactivity:
- def init_reactivity(self): pass
-
-
-# BaseReactivity defines hooks and asks for mouse events,
-# but provides only dummy mouse event handlers.
-# The trigger methods call the corresponding hooks set by the user.
-# Hooks (and triggers) mean the following:
-# down_hook called on some mouse-down events
-# move_hook called on some mouse-move events
-# up_hook called on mouse-up events
-# on_hook called for buttons with on/off state, when it goes on
-# hook called when a button 'fires' or a radiobutton goes on
-# There are usually extra conditions, e.g., hooks are only called
-# when the button is enabled, or active, or selected (on).
-#
-class BaseReactivity:
- #
- def init_reactivity(self):
- self.down_hook = self.move_hook = self.up_hook = \
- self.on_hook = self.off_hook = \
- self.hook = self.active = 0
- self.parent.need_mouse(self)
- #
- def mousetest(self, hv):
- return _rect.pointinrect(hv, self.bounds)
- #
- def mouse_down(self, detail):
- pass
- #
- def mouse_move(self, detail):
- pass
- #
- def mouse_up(self, detail):
- pass
- #
- def down_trigger(self):
- if self.down_hook: self.down_hook(self)
- #
- def move_trigger(self):
- if self.move_hook: self.move_hook(self)
- #
- def up_trigger(self):
- if self.up_hook: self.up_hook(self)
- #
- def on_trigger(self):
- if self.on_hook: self.on_hook(self)
- #
- def off_trigger(self):
- if self.off_hook: self.off_hook(self)
- #
- def trigger(self):
- if self.hook: self.hook(self)
-
-
-# ToggleReactivity acts like a simple pushbutton.
-# It toggles its hilite state on mouse down events.
-#
-class ToggleReactivity(BaseReactivity):
- #
- def mouse_down(self, detail):
- if self.enabled and self.mousetest(detail[_HV]):
- self.active = 1
- self.hilite(not self.hilited)
- self.down_trigger()
- #
- def mouse_move(self, detail):
- if self.active:
- self.move_trigger()
- #
- def mouse_up(self, detail):
- if self.active:
- self.up_trigger()
- self.active = 0
- #
- def down_trigger(self):
- if self.hilited:
- self.on_trigger()
- else:
- self.off_trigger()
- self.trigger()
- #
-
-
-# TriggerReactivity acts like a fancy pushbutton.
-# It hilites itself while the mouse is down within its bounds.
-#
-class TriggerReactivity(BaseReactivity):
- #
- def mouse_down(self, detail):
- if self.enabled and self.mousetest(detail[_HV]):
- self.active = 1
- self.hilite(1)
- self.down_trigger()
- #
- def mouse_move(self, detail):
- if self.active:
- self.hilite(self.mousetest(detail[_HV]))
- if self.hilited:
- self.move_trigger()
- #
- def mouse_up(self, detail):
- if self.active:
- self.hilite(self.mousetest(detail[_HV]))
- if self.hilited:
- self.up_trigger()
- self.trigger()
- self.active = 0
- self.hilite(0)
- #
-
-
-# CheckReactivity handles mouse events like TriggerReactivity,
-# It overrides the up_trigger method to flip its selected state.
-#
-class CheckReactivity(TriggerReactivity):
- #
- def up_trigger(self):
- self.select(not self.selected)
- if self.selected:
- self.on_trigger()
- else:
- self.off_trigger()
- self.trigger()
-
-
-# RadioReactivity turns itself on and the other buttons in its group
-# off when its up_trigger method is called.
-#
-class RadioReactivity(TriggerReactivity):
- #
- def init_reactivity(self):
- TriggerReactivity.init_reactivity(self)
- self.group = []
- #
- def up_trigger(self):
- for b in self.group:
- if b <> self:
- if b.selected:
- b.select(0)
- b.off_trigger()
- self.select(1)
- self.on_trigger()
- self.trigger()
-
-
-# Auxiliary class for 'define' method.
-# Call the initializers in the right order.
-#
-class Define:
- #
- def define(self, parent):
- self.parent = parent
- parent.addchild(self)
- self.init_appearance()
- self.init_reactivity()
- return self
- #
- def destroy(self):
- self.parent = 0
- #
- def definetext(self, parent, text):
- self = self.define(parent)
- self.settext(text)
- return self
-
-
-# Subroutine to cross out a rectangle.
-#
-def _xorcross(d, bounds):
- ((left, top), (right, bottom)) = bounds
- # This is s bit funny to make it look better
- left = left + 2
- right = right - 2
- top = top + 2
- bottom = bottom - 3
- d.xorline(((left, top), (right, bottom)))
- d.xorline((left, bottom), (right, top))
-
-
-# Ready-made button classes.
-#
-class Label(NoReactivity, LabelAppearance, Define): pass
-class Strut(NoReactivity, StrutAppearance, Define): pass
-class PushButton(TriggerReactivity, ButtonAppearance, Define): pass
-class CheckButton(CheckReactivity, CheckAppearance, Define): pass
-class RadioButton(RadioReactivity, RadioAppearance, Define): pass
-class ToggleButton(ToggleReactivity, ButtonAppearance, Define): pass
+++ /dev/null
-# A CSplit is a Clock-shaped split: the children are grouped in a circle.
-# The numbering is a little different from a real clock: the 12 o'clock
-# position is called 0, not 12. This is a little easier since Python
-# usually counts from zero. (BTW, there needn't be exactly 12 children.)
-
-
-from math import pi, sin, cos
-from Split import Split
-
-class CSplit(Split):
- #
- def getminsize(self, m, (width, height)):
- # Since things look best if the children are spaced evenly
- # along the circle (and often all children have the same
- # size anyway) we compute the max child size and assume
- # this is each child's size.
- for child in self.children:
- wi, he = child.getminsize(m, (0, 0))
- width = max(width, wi)
- height = max(height, he)
- # In approximation, the diameter of the circle we need is
- # (diameter of box) * (#children) / pi.
- # We approximate pi by 3 (so we slightly overestimate
- # our minimal size requirements -- not so bad).
- # Because the boxes stick out of the circle we add the
- # box size to each dimension.
- # Because we really deal with ellipses, do everything
- # separate in each dimension.
- n = len(self.children)
- return width + (width*n + 2)/3, height + (height*n + 2)/3
- #
- def getbounds(self):
- return self.bounds
- #
- def setbounds(self, bounds):
- self.bounds = bounds
- # Place the children. This involves some math.
- # Compute center positions for children as if they were
- # ellipses with a diameter about 1/N times the
- # circumference of the big ellipse.
- # (There is some rounding involved to make it look
- # reasonable for small and large N alike.)
- # XXX One day Python will have automatic conversions...
- n = len(self.children)
- fn = float(n)
- if n == 0: return
- (left, top), (right, bottom) = bounds
- width, height = right-left, bottom-top
- child_width, child_height = width*3/(n+4), height*3/(n+4)
- half_width, half_height = \
- float(width-child_width)/2.0, \
- float(height-child_height)/2.0
- center_h, center_v = center = (left+right)/2, (top+bottom)/2
- fch, fcv = float(center_h), float(center_v)
- alpha = 2.0 * pi / fn
- for i in range(n):
- child = self.children[i]
- fi = float(i)
- fh, fv = \
- fch + half_width*sin(fi*alpha), \
- fcv - half_height*cos(fi*alpha)
- left, top = \
- int(fh) - child_width/2, \
- int(fv) - child_height/2
- right, bottom = \
- left + child_width, \
- top + child_height
- child.setbounds(((left, top), (right, bottom)))
- #
+++ /dev/null
-# DirList -- Directory Listing widget
-
-# XXX Displays messy paths when following '..'
-
-import os
-import stdwin, rect
-from stdwinevents import *
-from Buttons import PushButton
-from WindowParent import WindowParent
-from HVSplit import HSplit, VSplit
-
-class DirList(VSplit):
- #
- def create(self, parent, dirname):
- self = VSplit.create(self, parent)
- names = os.listdir(dirname)
- for name in names:
- if os.path.isdir(os.path.join(dirname, name)):
- fullname = os.path.join(dirname, name)
- btn = SubdirButton().definetext(self, fullname)
- elif name[-3:] == '.py':
- btn = ModuleButton().definetext(self, name)
- else:
- btn = FileButton().definetext(self, name)
- return self
- #
-
-class DirListWindow(WindowParent):
- #
- def create(self, dirname):
- self = WindowParent.create(self, dirname, (0, 0))
- child = DirList().create(self, dirname)
- self.realize()
- return self
- #
-
-class SubdirButton(PushButton):
- #
- def drawpict(self, d):
- PushButton.drawpict(self, d)
- d.box(rect.inset(self.bounds, (3, 1)))
- #
- def up_trigger(self):
- window = DirListWindow().create(self.text)
- #
-
-class FileButton(PushButton):
- #
- def up_trigger(self):
- stdwin.fleep()
- #
-
-class ModuleButton(FileButton):
- #
- def drawpict(self, d):
- PushButton.drawpict(self, d)
- d.box(rect.inset(self.bounds, (1, 3)))
- #
+++ /dev/null
-# A FormSplit lets you place its children exactly where you want them
-# (including silly places!).
-# It does no explicit geometry management except moving its children
-# when it is moved.
-# The interface to place children is as follows.
-# Before you add a child, you may specify its (left, top) position
-# relative to the FormSplit. If you don't specify a position for
-# a child, it goes right below the previous child; the first child
-# goes to (0, 0) by default.
-# NB: This places data attributes named form_* on its children.
-# XXX Yes, I know, there should be options to do all sorts of relative
-# placement, but for now this will do.
-
-from Split import Split
-
-class FormSplit(Split):
- #
- def create(self, parent):
- self.next_left = self.next_top = 0
- self.last_child = None
- return Split.create(self, parent)
- #
- def getminsize(self, m, sugg_size):
- max_width, max_height = 0, 0
- for c in self.children:
- c.form_width, c.form_height = c.getminsize(m, (0, 0))
- max_width = max(max_width, c.form_width + c.form_left)
- max_height = max(max_height, \
- c.form_height + c.form_top)
- return max_width, max_height
- #
- def getbounds(self):
- return self.bounds
- #
- def setbounds(self, bounds):
- self.bounds = bounds
- fleft, ftop = bounds[0]
- for c in self.children:
- left, top = c.form_left + fleft, c.form_top + ftop
- right, bottom = left + c.form_width, top + c.form_height
- c.setbounds(((left, top), (right, bottom)))
- #
- def placenext(self, left, top):
- self.next_left = left
- self.next_top = top
- self.last_child = None
- #
- def addchild(self, child):
- if self.last_child:
- width, height = \
- self.last_child.getminsize(self.beginmeasuring(), \
- (0, 0))
- self.next_top = self.next_top + height
- child.form_left = self.next_left
- child.form_top = self.next_top
- Split.addchild(self, child)
- self.last_child = child
- #
+++ /dev/null
-# HVSplit contains generic code for HSplit and VSplit.
-# HSplit and VSplit are specializations to either dimension.
-
-# XXX This does not yet stretch/shrink children if there is too much
-# XXX or too little space in the split dimension.
-# XXX (NB There is no interface to ask children for stretch preferences.)
-
-from Split import Split
-
-class HVSplit(Split):
- #
- def create(self, parent, hv):
- # hv is 0 for HSplit, 1 for VSplit
- self = Split.create(self, parent)
- self.hv = hv
- return self
- #
- def getminsize(self, m, sugg_size):
- hv, vh = self.hv, 1 - self.hv
- size = [0, 0]
- sugg_size = [sugg_size[0], sugg_size[1]]
- sugg_size[hv] = 0
- sugg_size = sugg_size[0], sugg_size[1] # Make a tuple
- for c in self.children:
- csize = c.getminsize(m, sugg_size)
- if csize[vh] > size[vh]: size[vh] = csize[vh]
- size[hv] = size[hv] + csize[hv]
- return size[0], size[1]
- #
- def getbounds(self):
- return self.bounds
- #
- def setbounds(self, bounds):
- self.bounds = bounds
- hv, vh = self.hv, 1 - self.hv
- mf = self.parent.beginmeasuring
- begin, end = bounds
- sugg_size = end[0] - begin[0], end[1] - begin[1]
- size = self.getminsize(mf(), sugg_size)
- origin = [begin[0], begin[1]]
- sugg_size = [sugg_size[0], sugg_size[1]] # Make a list
- sugg_size[hv] = 0
- sugg_size = sugg_size[0], sugg_size[1] # Make a tuple
- for c in self.children:
- size = c.getminsize(mf(), sugg_size)
- corner = [0, 0]
- corner[vh] = end[vh]
- corner[hv] = origin[hv] + size[hv]
- c.setbounds(((origin[0], origin[1]), \
- (corner[0], corner[1])))
- origin[hv] = corner[hv]
- # XXX stretch
- # XXX too-small
- #
-
-class HSplit(HVSplit):
- def create(self, parent):
- return HVSplit.create(self, parent, 0)
-
-class VSplit(HVSplit):
- def create(self, parent):
- return HVSplit.create(self, parent, 1)
+++ /dev/null
-# Module 'Histogram'
-
-from Buttons import *
-
-# A Histogram displays a histogram of numeric data.
-#
-class HistogramAppearance(LabelAppearance, Define):
- #
- def define(self, parent):
- Define.define(self, (parent, ''))
- self.ydata = []
- self.scale = (0, 100)
- return self
- #
- def setdata(self, ydata, scale):
- self.ydata = ydata
- self.scale = scale # (min, max)
- self.parent.change(self.bounds)
- #
- def drawpict(self, d):
- (left, top), (right, bottom) = self.bounds
- min, max = self.scale
- size = max-min
- width, height = right-left, bottom-top
- ydata = self.ydata
- npoints = len(ydata)
- v1 = top + height # constant
- h1 = left # changed in loop
- for i in range(npoints):
- h0 = h1
- v0 = top + height - (ydata[i]-min)*height/size
- h1 = left + (i+1) * width/npoints
- d.paint((h0, v0), (h1, v1))
- #
-
-class Histogram(NoReactivity, HistogramAppearance): pass
+++ /dev/null
-# Module 'Sliders'
-
-
-import stdwin
-from stdwinevents import *
-import rect
-from Buttons import *
-from HVSplit import HSplit
-
-
-# Field indices in event detail
-#
-_HV = 0
-_CLICKS = 1
-_BUTTON = 2
-_MASK = 3
-
-
-# DragSlider is the simplest possible slider.
-# It looks like a button but dragging the mouse left or right
-# changes the controlled value.
-# It does not support any of the triggers or hooks defined by Buttons,
-# but defines its own setval_trigger and setval_hook.
-#
-class DragSliderReactivity(BaseReactivity):
- #
- def mouse_down(self, detail):
- h, v = hv = detail[_HV]
- if self.enabled and self.mousetest(hv):
- self.anchor = h
- self.oldval = self.val
- self.active = 1
- #
- def mouse_move(self, detail):
- if self.active:
- h, v = detail[_HV]
- self.setval(self.oldval + (h - self.anchor))
- #
- def mouse_up(self, detail):
- if self.active:
- h, v = detail[_HV]
- self.setval(self.oldval + (h - self.anchor))
- self.active = 0
- #
-
-class DragSliderAppearance(ButtonAppearance):
- #
- # INVARIANTS maintained by the setval method:
- #
- # self.min <= self.val <= self.max
- # self.text = self.pretext + `self.val` + self.postext
- #
- # (Notice that unlike Python ranges, the end point belongs
- # to the range.)
- #
- def init_appearance(self):
- ButtonAppearance.init_appearance(self)
- self.min = 0
- self.val = 0
- self.max = 100
- self.hook = 0
- self.pretext = self.postext = ''
- self.recalctext()
- #
- # The 'get*' and 'set*' methods belong to the generic slider interface
- #
- def getval(self): return self.val
- #
- def sethook(self, hook):
- self.hook = hook
- #
- def setminvalmax(self, min, val, max):
- self.min = min
- self.max = max
- self.setval(val)
- #
- def settexts(self, pretext, postext):
- self.pretext = pretext
- self.postext = postext
- self.recalctext()
- #
- def setval(self, val):
- val = min(self.max, max(self.min, val))
- if val <> self.val:
- self.val = val
- self.recalctext()
- self.trigger()
- #
- def trigger(self):
- if self.hook:
- self.hook(self)
- #
- def recalctext(self):
- self.settext(self.pretext + `self.val` + self.postext)
- #
-
-class DragSlider(DragSliderReactivity, DragSliderAppearance, Define):
- def definetext(self, parent, text):
- raise RuntimeError, 'DragSlider.definetext() not supported'
-
-
-# Auxiliary class for PushButton incorporated in ComplexSlider
-#
-class _StepButton(PushButton):
- def define(self, parent):
- self = PushButton.define(self, parent)
- self.step = 0
- return self
- def setstep(self, step):
- self.step = step
- def definetextstep(self, parent, text, step):
- self = self.definetext(parent, text)
- self.setstep(step)
- return self
- def init_reactivity(self):
- PushButton.init_reactivity(self)
- self.parent.need_timer(self)
- def step_trigger(self):
- self.parent.setval(self.parent.getval() + self.step)
- def down_trigger(self):
- self.step_trigger()
- self.parent.settimer(5)
- def timer(self):
- if self.hilited:
- self.step_trigger()
- if self.active:
- self.parent.settimer(1)
-
-
-# A complex slider is an HSplit initialized to three buttons:
-# one to step down, a dragslider, and one to step up.
-#
-class ComplexSlider(HSplit):
- #
- # Override Slider define() method
- #
- def define(self, parent):
- self = self.create(parent) # HSplit
- #
- self.downbutton = _StepButton().definetextstep(self, '-', -1)
- self.dragbutton = DragSlider().define(self)
- self.upbutton = _StepButton().definetextstep(self, '+', 1)
- #
- return self
- #
- # Override HSplit methods
- #
- def getminsize(self, m, (width, height)):
- w1, h1 = self.downbutton.getminsize(m, (0, height))
- w3, h3 = self.upbutton.getminsize(m, (0, height))
- w1 = max(w1, h1)
- w3 = max(w3, h3)
- w2, h2 = self.dragbutton.getminsize(m, (width-w1-w3, height))
- return w1+w2+w3, max(h1, h2, h3)
- #
- def setbounds(self, bounds):
- (left, top), (right, bottom) = self.bounds = bounds
- size = bottom - top
- self.downbutton.setbounds(((left, top), (left+size, bottom)))
- self.dragbutton.setbounds(((left+size, top), \
- (right-size, bottom)))
- self.upbutton.setbounds(((right-size, top), (right, bottom)))
- #
- # Pass other Slider methods on to dragbutton
- #
- def getval(self): return self.dragbutton.getval()
- def sethook(self, hook): self.dragbutton.sethook(hook)
- def setminvalmax(self, args): self.dragbutton.setminvalmax(args)
- def settexts(self, args): self.dragbutton.settexts(args)
- def setval(self, val): self.dragbutton.setval(val)
- def enable(self, flag):
- self.downbutton.enable(flag)
- self.dragbutton.enable(flag)
- self.upbutton.enable(flag)
+++ /dev/null
-# Module 'Soundogram'
-
-import audio
-from Histogram import Histogram
-
-class Soundogram(Histogram):
- #
- def define(self, win, chunk):
- width, height = corner = win.getwinsize()
- bounds = (0, 0), corner
- self.chunk = chunk
- self.step = (len(chunk)-1)/(width/2+1) + 1
- ydata = _make_ydata(chunk, self.step)
- return Histogram.define(self, (win, bounds, ydata, (0, 128)))
- #
- def setchunk(self, chunk):
- self.chunk = chunk
- self.recompute()
- #
- def recompute(self):
- (left, top), (right, bottom) = self.bounds
- width = right - left
- self.step = (len(chunk)-1)/width + 1
- ydata = _make_ydata(chunk, self.step)
- self.setdata(ydata, (0, 128))
- #
-
-
-def _make_ydata(chunk, step):
- ydata = []
- for i in range(0, len(chunk), step):
- piece = audio.chr2num(chunk[i:i+step])
- mi, ma = min(piece), max(piece)
- y = max(abs(mi), abs(ma))
- ydata.append(y)
- return ydata
+++ /dev/null
-# Generic Split implementation.
-# Use as a base class for other splits.
-# Derived classes should at least implement the methods that call
-# unimpl() below: getminsize(), getbounds() and setbounds().
-
-Error = 'Split.Error' # Exception
-
-import rect
-from stdwinevents import *
-
-class Split:
- #
- # Calls from creator
- # NB derived classes may add parameters to create()
- #
- def create(self, parent):
- parent.addchild(self)
- self.parent = parent
- self.children = []
- self.mouse_interest = []
- self.keybd_interest = []
- self.timer_interest = []
- self.altdraw_interest = []
- self.mouse_focus = None
- self.keybd_focus = None
- return self
- #
- # Downcalls from parent to child
- #
- def destroy(self):
- self.parent = None
- for child in self.children:
- child.destroy()
- del self.children[:]
- del self.mouse_interest[:]
- del self.keybd_interest[:]
- del self.timer_interest[:]
- del self.altdraw_interest[:]
- self.mouse_focus = None
- self.keybd_focus = None
- #
- def getminsize(self, m, (width, height)):
- return unimpl() # Should ask children
- def getbounds(self):
- return unimpl()
- def setbounds(self, bounds):
- unimpl() # Should tell children
- #
- def realize(self):
- for child in self.children:
- child.realize()
- #
- def draw(self, d, detail):
- # (Could avoid calls to children outside the area)
- for child in self.children:
- child.draw(d, detail)
- #
- def altdraw(self, detail):
- for child in self.altdraw_interest:
- child.altdraw(detail)
- #
- # Keyboard focus handling (used internally)
- # XXX This is not enough if two levels of splits
- # XXX surround text fields!
- #
- def set_keybd_focus(self, child):
- if self.keybd_focus <> child:
- if self.keybd_focus:
- self.keybd_focus.deactivate()
- self.keybd_focus = None
- if child:
- child.activate()
- self.keybd_focus = child
- def next_keybd_focus(self):
- if not self.keybd_interest:
- self.set_keybd_focus(None)
- return
- if self.keybd_focus in self.keybd_interest:
- i = self.keybd_interest.index(self.keybd_focus)
- i = (i+1) % len(self.keybd_interest)
- else:
- i = 0
- self.set_keybd_focus(self.keybd_interest[i])
- #
- # Downcalls only made after certain upcalls
- #
- def mouse_down(self, detail):
- if self.mouse_focus:
- self.mouse_focus.mouse_down(detail)
- return
- p = detail[0]
- for child in self.mouse_interest:
- if rect.pointinrect(p, child.getbounds()):
- self.mouse_focus = child
- if child in self.keybd_interest:
- self.set_keybd_focus(child)
- child.mouse_down(detail)
- def mouse_move(self, detail):
- if self.mouse_focus:
- self.mouse_focus.mouse_move(detail)
- def mouse_up(self, detail):
- if self.mouse_focus:
- self.mouse_focus.mouse_up(detail)
- self.mouse_focus = None
- #
- def activate(self):
- if self.keybd_focus:
- self.keybd_focus.activate()
- else:
- self.next_keybd_focus()
- def deactivate(self):
- if self.keybd_focus:
- self.keybd_focus.deactivate()
- #
- def keybd(self, type, detail):
- if not self.keybd_focus:
- self.set_keybd_focus(self.keybd_interest[0])
- if type == WE_COMMAND and detail == WC_TAB and \
- len(self.keybd_interest) > 1:
- self.next_keybd_focus()
- return
- self.keybd_focus.keybd(type, detail)
- #
- def timer(self):
- for child in self.timer_interest:
- child.timer()
- #
- # Upcalls from child to parent
- #
- def addchild(self, child):
- if child in self.children:
- raise Error, 'addchild: child already inlist'
- self.children.append(child)
- def delchild(self, child):
- if child not in self.children:
- raise Error, 'delchild: child not in list'
- self.children.remove(child)
- if child in self.mouse_interest:
- self.mouse_interest.remove(child)
- if child in self.keybd_interest:
- self.keybd_interest.remove(child)
- if child in self.timer_interest:
- self.timer_interest.remove(child)
- if child in self.altdraw_interest:
- self.altdraw_interest.remove(child)
- if child == self.mouse_focus:
- self.mouse_focus = None
- if child == self.keybd_focus:
- self.keybd_focus = None
- #
- def need_mouse(self, child):
- if child not in self.mouse_interest:
- self.mouse_interest.append(child)
- self.parent.need_mouse(self)
- def no_mouse(self, child):
- if child == self.mouse_focus:
- self.mouse_focus = None
- if child in self.mouse_interest:
- self.mouse_interest.remove(child)
- if not self.mouse_interest:
- self.parent.no_mouse(self)
- #
- def need_keybd(self, child):
- if child not in self.keybd_interest:
- self.keybd_interest.append(child)
- self.parent.need_keybd(self)
- if not self.keybd_focus:
- self.set_keybd_focus(child)
- def no_keybd(self, child):
- if child == self.keybd_focus:
- self.keybd_focus = None # Don't call child.deactivate()
- if child in self.keybd_interest:
- self.keybd_interest.remove(child)
- if not self.keybd_interest:
- self.parent.no_keybd(self)
- #
- def need_timer(self, child):
- if child not in self.timer_interest:
- self.timer_interest.append(child)
- self.parent.need_timer(self)
- def no_timer(self, child):
- if child in self.timer_interest:
- self.timer_interest.remove(child)
- if not self.timer_interest:
- self.parent.no_timer(self)
- #
- def need_altdraw(self, child):
- if child not in self.altdraw_interest:
- self.altdraw_interest.append(child)
- self.parent.need_altdraw(self)
- def no_altdraw(self, child):
- if child in self.altdraw_interest:
- self.altdraw_interest.remove(child)
- if not self.altdraw_interest:
- self.parent.no_altdraw(self)
- #
- # The rest are transparent:
- #
- def begindrawing(self):
- return self.parent.begindrawing()
- def beginmeasuring(self):
- return self.parent.beginmeasuring()
- def getwindow(self):
- return self.parent.getwindow()
- #
- def change(self, area):
- self.parent.change(area)
- def scroll(self, area, vector):
- self.parent.scroll(area, vector)
- def settimer(self, itimer):
- self.parent.settimer(itimer)
+++ /dev/null
-# Module 'StripChart'
-
-import rect
-from Buttons import LabelAppearance, NoReactivity
-
-# A StripChart doesn't really look like a label but it needs a base class.
-# LabelAppearance allows it to be disabled and hilited.
-
-class StripChart(LabelAppearance, NoReactivity):
- #
- def define(self, parent, scale):
- self.parent = parent
- parent.addchild(self)
- self.init_appearance()
- self.init_reactivity()
- self.ydata = []
- self.scale = scale
- self.resetbounds()
- return self
- #
- def destroy(self):
- self.parent = 0
- #
- def setbounds(self, bounds):
- LabelAppearance.setbounds(self, bounds)
- self.resetbounds()
- #
- def resetbounds(self):
- (left, top), (right, bottom) = self.bounds
- self.width = right-left
- self.height = bottom-top
- excess = len(self.ydata) - self.width
- if excess > 0:
- del self.ydata[:excess]
- elif excess < 0:
- while len(self.ydata) < self.width:
- self.ydata.insert(0, 0)
- #
- def append(self, y):
- self.ydata.append(y)
- excess = len(self.ydata) - self.width
- if excess > 0:
- del self.ydata[:excess]
- if self.bounds <> rect.empty:
- self.parent.scroll(self.bounds, (-excess, 0))
- if self.bounds <> rect.empty:
- (left, top), (right, bottom) = self.bounds
- i = len(self.ydata)
- area = (left+i-1, top), (left+i, bottom)
- self.draw(self.parent.begindrawing(), area)
- #
- def draw(self, d, area):
- area = rect.intersect([area, self.bounds])
- if area == rect.empty:
- return
- d.cliprect(area)
- d.erase(self.bounds)
- (a_left, a_top), (a_right, a_bottom) = area
- (left, top), (right, bottom) = self.bounds
- height = bottom - top
- i1 = a_left - left
- i2 = a_right - left
- for i in range(max(0, i1), min(len(self.ydata), i2)):
- split = bottom-self.ydata[i]*height/self.scale
- d.paint((left+i, split), (left+i+1, bottom))
- if not self.enabled:
- self.flipenable(d)
- if self.hilited:
- self.fliphilite(d)
- d.noclip()
+++ /dev/null
-# Text editing widget
-
-# NB: this always assumes fixed bounds.
-# For auto-growing TextEdit windows, different code would be needed.
-
-from stdwinevents import *
-
-class TextEdit:
- #
- def create(self, parent, (cols, rows)):
- parent.addchild(self)
- self.parent = parent
- self.cols = cols
- self.rows = rows
- self.text = ''
- # Creation of the editor is done in realize()
- self.editor = None
- self.dh = self.dv = 0
- return self
- #
- def createboxed(self, parent, (cols, rows), (dh, dv)):
- self = self.create(parent, (cols, rows))
- self.dh = max(0, dh)
- self.dv = max(0, dv)
- return self
- #
- def settext(self, text):
- self.editor.settext(text)
- #
- def gettext(self):
- return self.editor.gettext(text)
- #
- # Downcalls from parent to child
- #
- def destroy(self):
- del self.parent
- del self.editor
- del self.window
- #
- def getminsize(self, m, (width, height)):
- width = max(0, width - 2*self.dh)
- height = max(0, height - 2*self.dv)
- if width > 0 and self.editor:
- (left, top), (right, bottom) = self.editor.getrect()
- act_width, act_height = right - left, bottom - top
- if width >= act_width:
- width = width + 2*self.dh
- height = max(height, act_height) + 2*self.dv
- return width, height
- width = max(width, self.cols*m.textwidth('in')/2) + 2*self.dh
- height = max(height, self.rows*m.lineheight()) + 2*self.dv
- return width, height
- #
- def setbounds(self, bounds):
- self.bounds = bounds
- if self.editor:
- (left, top), (right, bottom) = bounds
- left = left + self.dh
- top = top + self.dv
- right = right - self.dh
- bottom = bottom - self.dv
- self.editor.move((left, top), (right, bottom))
- if self.dh and self.dv:
- (left, top), (right, bottom) = bounds
- left = left + 1
- top = top + 1
- right = right - 1
- bottom = bottom - 1
- bounds = (left, top), (right, bottom)
- self.editor.setview(bounds)
- #
- def getbounds(self):
- return self.bounds
- #
- def realize(self):
- self.window = self.parent.getwindow()
- (left, top), (right, bottom) = self.bounds
- left = left + self.dh
- top = top + self.dv
- right = right - self.dh
- bottom = bottom - self.dv
- self.editor = \
- self.window.textcreate((left, top), (right, bottom))
- self.editor.setactive(0)
- bounds = self.bounds
- if self.dh and self.dv:
- (left, top), (right, bottom) = bounds
- left = left + 1
- top = top + 1
- right = right - 1
- bottom = bottom - 1
- bounds = (left, top), (right, bottom)
- self.editor.setview(bounds)
- self.editor.settext(self.text)
- self.parent.need_mouse(self)
- self.parent.need_keybd(self)
- self.parent.need_altdraw(self)
- #
- def draw(self, d, area):
- if self.dh and self.dv:
- d.box(self.bounds)
- #
- def altdraw(self, area):
- self.editor.draw(area)
- #
- # Event downcalls
- #
- def mouse_down(self, detail):
- x = self.editor.event(WE_MOUSE_DOWN, self.window, detail)
- #
- def mouse_move(self, detail):
- x = self.editor.event(WE_MOUSE_MOVE, self.window, detail)
- #
- def mouse_up(self, detail):
- x = self.editor.event(WE_MOUSE_UP, self.window, detail)
- #
- def keybd(self, type, detail):
- x = self.editor.event(type, self.window, detail)
- #
- def activate(self):
- self.editor.setfocus(0, 30000)
- self.editor.setactive(1)
- #
- def deactivate(self):
- self.editor.setactive(0)
- #
+++ /dev/null
-# A class that sits transparently between a parent and one child.
-# First create the parent, then this thing, then the child.
-# Use this as a base class for objects that are almost transparent.
-# Don't use as a base class for parents with multiple children.
-
-Error = 'TransParent.Error' # Exception
-
-class ManageOneChild:
- #
- # Upcalls shared with other single-child parents
- #
- def addchild(self, child):
- if self.child:
- raise Error, 'addchild: one child only'
- if not child:
- raise Error, 'addchild: bad child'
- self.child = child
- #
- def delchild(self, child):
- if not self.child:
- raise Error, 'delchild: no child'
- if child <> self.child:
- raise Error, 'delchild: not my child'
- self.child = 0
-
-class TransParent(ManageOneChild):
- #
- # Calls from creator
- # NB derived classes may add parameters to create()
- #
- def create(self, parent):
- parent.addchild(self)
- self.parent = parent
- self.child = None # No child yet
- return self
- #
- # Downcalls from parent to child
- #
- def destroy(self):
- del self.parent
- if self.child: self.child.destroy()
- del self.child
- #
- def getminsize(self, args):
- if not self.child:
- m, size = args
- return size
- else:
- return self.child.getminsize(args)
- def getbounds(self, bounds):
- if not self.child:
- raise Error, 'getbounds w/o child'
- else:
- return self.child.getbounds()
- def setbounds(self, bounds):
- if not self.child:
- raise Error, 'setbounds w/o child'
- else:
- self.child.setbounds(bounds)
- def realize(self):
- if self.child:
- self.child.realize()
- def draw(self, d, area):
- if self.child:
- self.child.draw(d, area)
- def altdraw(self, area):
- if self.child:
- self.child.altdraw(area)
- #
- # Downcalls only made after certain upcalls
- #
- def mouse_down(self, detail):
- if self.child: self.child.mouse_down(detail)
- def mouse_move(self, detail):
- if self.child: self.child.mouse_move(detail)
- def mouse_up(self, detail):
- if self.child: self.child.mouse_up(detail)
- #
- def keybd(self, type_detail):
- self.child.keybd(type_detail)
- def activate(self):
- self.child.activate()
- def deactivate(self):
- self.child.deactivate()
- #
- def timer(self):
- if self.child: self.child.timer()
- #
- # Upcalls from child to parent
- #
- def need_mouse(self, child):
- self.parent.need_mouse(self)
- def no_mouse(self, child):
- self.parent.no_mouse(self)
- #
- def need_timer(self, child):
- self.parent.need_timer(self)
- def no_timer(self, child):
- self.parent.no_timer(self)
- #
- def need_altdraw(self, child):
- self.parent.need_altdraw(self)
- def no_altdraw(self, child):
- self.parent.no_altdraw(self)
- #
- def need_keybd(self, child):
- self.parent.need_keybd(self)
- def no_keybd(self, child):
- self.parent.no_keybd(self)
- #
- def begindrawing(self):
- return self.parent.begindrawing()
- def beginmeasuring(self):
- return self.parent.beginmeasuring()
- def getwindow(self):
- return self.parent.getwindow()
- #
- def change(self, area):
- self.parent.change(area)
- def scroll(self, area, vector):
- self.parent.scroll(area, vector)
- def settimer(self, itimer):
- self.parent.settimer(itimer)
+++ /dev/null
-# Module 'VUMeter'
-
-import audio
-from StripChart import StripChart
-
-K = 1024
-Rates = [0, 32*K, 16*K, 8*K]
-
-class VUMeter(StripChart):
- #
- # Override define() and timer() methods
- #
- def define(self, parent):
- self = StripChart.define(self, (parent, 128))
- self.parent.need_timer(self)
- self.sampling = 0
- self.rate = 3
- self.enable(0)
- return self
- #
- def timer(self):
- if self.sampling:
- chunk = audio.wait_recording()
- self.sampling = 0
- nums = audio.chr2num(chunk)
- ampl = max(abs(min(nums)), abs(max(nums)))
- self.append(ampl)
- if self.enabled and not self.sampling:
- audio.setrate(self.rate)
- size = Rates[self.rate]/10
- size = size/48*48
- audio.start_recording(size)
- self.sampling = 1
- if self.sampling:
- self.parent.settimer(1)
- #
- # New methods: start() and stop()
- #
- def stop(self):
- if self.sampling:
- chunk = audio.stop_recording()
- self.sampling = 0
- self.enable(0)
- #
- def start(self):
- self.enable(1)
- self.timer()
+++ /dev/null
-# A 'WindowParent' is the only module that uses real stdwin functionality.
-# It is the root of the tree.
-# It should have exactly one child when realized.
-#
-# There is also an alternative interface to "mainloop" here.
-
-import stdwin
-from stdwinevents import *
-import mainloop
-
-from TransParent import ManageOneChild
-
-Error = 'WindowParent.Error' # Exception
-
-class WindowParent(ManageOneChild):
- #
- def create(self, title, size):
- self.title = title
- self.size = size # (width, height)
- self._reset()
- self.close_hook = WindowParent.delayed_destroy
- return self
- #
- def _reset(self):
- self.child = None
- self.win = None
- self.itimer = 0
- self.do_mouse = 0
- self.do_keybd = 0
- self.do_timer = 0
- self.do_altdraw = 0
- self.pending_destroy = 0
- self.close_hook = None
- self.menu_hook = None
- #
- def destroy(self):
- mainloop.unregister(self.win)
- if self.child: self.child.destroy()
- self._reset()
- #
- def delayed_destroy(self):
- # This interface to be used by 'Close' buttons etc.;
- # destroying a window from within a button hook
- # is not a good idea...
- self.pending_destroy = 1
- #
- def close_trigger(self):
- if self.close_hook: self.close_hook(self)
- #
- def menu_trigger(self, menu, item):
- if self.menu_hook:
- self.menu_hook(self, menu, item)
- #
- def need_mouse(self, child): self.do_mouse = 1
- def no_mouse(self, child): self.do_mouse = 0
- #
- def need_keybd(self, child):
- self.do_keybd = 1
- self.child.activate()
- def no_keybd(self, child):
- self.do_keybd = 0
- self.child.deactivate()
- #
- def need_timer(self, child): self.do_timer = 1
- def no_timer(self, child): self.do_timer = 0
- #
- def need_altdraw(self, child): self.do_altdraw = 1
- def no_altdraw(self, child): self.do_altdraw = 0
- #
- def realize(self):
- if self.win:
- raise Error, 'realize(): called twice'
- if not self.child:
- raise Error, 'realize(): no child'
- # Compute suggested size
- self.size = self.child.getminsize(self.beginmeasuring(), \
- self.size)
- save_defsize = stdwin.getdefwinsize()
- scrwidth, scrheight = stdwin.getscrsize()
- width, height = self.size
- if width > scrwidth:
- width = scrwidth * 2/3
- if height > scrheight:
- height = scrheight * 2/3
- stdwin.setdefwinsize(width, height)
- self.hbar, self.vbar = stdwin.getdefscrollbars()
- self.win = stdwin.open(self.title)
- stdwin.setdefwinsize(save_defsize)
- self.win.setdocsize(self.size)
- if self.itimer:
- self.win.settimer(self.itimer)
- width, height = self.win.getwinsize()
- if self.hbar:
- width = self.size[0]
- if self.vbar:
- height = self.size[1]
- self.child.setbounds(((0, 0), (width, height)))
- self.child.realize()
- self.win.dispatch = self.dispatch
- mainloop.register(self.win)
- #
- def fixup(self):
- # XXX This could share code with realize() above
- self.size = self.child.getminsize(self.beginmeasuring(), \
- self.win.getwinsize())
- self.win.setdocsize(self.size)
- width, height = self.win.getwinsize()
- if self.hbar:
- width = self.size[0]
- if self.vbar:
- height = self.size[1]
- self.child.setbounds(((0, 0), (width, height)))
- # Force a redraw of the entire window:
- self.win.change((0, 0), self.size)
- #
- def beginmeasuring(self):
- # Return something with which a child can measure text
- if self.win:
- return self.win.begindrawing()
- else:
- return stdwin
- #
- def begindrawing(self):
- if self.win:
- return self.win.begindrawing()
- else:
- raise Error, 'begindrawing(): not realized yet'
- #
- def getwindow(self):
- if self.win:
- return self.win
- else:
- raise Error, 'getwindow(): not realized yet'
- #
- def change(self, area):
- if self.win:
- self.win.change(area)
- #
- def scroll(self, area, vector):
- if self.win:
- self.win.scroll(area, vector)
- #
- def settimer(self, itimer):
- if self.win:
- self.win.settimer(itimer)
- else:
- self.itimer = itimer
- #
- # Only call dispatch once we are realized
- #
- def dispatch(self, (type, win, detail)):
- if type == WE_DRAW:
- d = self.win.begindrawing()
- self.child.draw(d, detail)
- del d
- if self.do_altdraw: self.child.altdraw(detail)
- elif type == WE_MOUSE_DOWN:
- if self.do_mouse: self.child.mouse_down(detail)
- elif type == WE_MOUSE_MOVE:
- if self.do_mouse: self.child.mouse_move(detail)
- elif type == WE_MOUSE_UP:
- if self.do_mouse: self.child.mouse_up(detail)
- elif type in (WE_CHAR, WE_COMMAND):
- if self.do_keybd: self.child.keybd(type, detail)
- elif type == WE_TIMER:
- if self.do_timer: self.child.timer()
- elif type == WE_SIZE:
- self.fixup()
- elif type == WE_CLOSE:
- self.close_trigger()
- elif type == WE_MENU:
- self.menu_trigger(detail)
- if self.pending_destroy:
- self.destroy()
- #
-
-def MainLoop():
- mainloop.mainloop()
-
-def Dispatch(event):
- mainloop.dispatch(event)
-
-# Interface used by WindowSched:
-
-def CountWindows():
- return mainloop.countwindows()
-
-def AnyWindow():
- return mainloop.anywindow()
+++ /dev/null
-# Combine a real-time scheduling queue and stdwin event handling.
-# Keeps times in milliseconds.
-
-import stdwin, stdwinq
-from stdwinevents import WE_TIMER
-import mainloop
-import sched
-import time
-
-# Delay function called by the scheduler when it has nothing to do.
-# Return immediately when something is done, or when the delay is up.
-#
-def delayfunc(msecs):
- msecs = int(msecs)
- #
- # Check for immediate stdwin event
- #
- event = stdwinq.pollevent()
- if event:
- mainloop.dispatch(event)
- return
- #
- # Use sleep for very short delays or if there are no windows
- #
- if msecs < 100 or mainloop.countwindows() == 0:
- if msecs > 0:
- time.sleep(msecs * 0.001)
- return
- #
- # Post a timer event on an arbitrary window and wait for it
- #
- window = mainloop.anywindow()
- window.settimer(msecs/100)
- event = stdwinq.getevent()
- window.settimer(0)
- if event[0] <> WE_TIMER:
- mainloop.dispatch(event)
-
-def millitimer():
- return time.time() * 1000
-
-q = sched.scheduler(millitimer, delayfunc)
-
-# Export functions enter, enterabs and cancel just like a scheduler
-#
-enter = q.enter
-enterabs = q.enterabs
-cancel = q.cancel
-
-# Emptiness check must check both queues
-#
-def empty():
- return q.empty() and mainloop.countwindows() == 0
-
-# Run until there is nothing left to do
-#
-def run():
- while not empty():
- if q.empty():
- mainloop.dispatch(stdwinq.getevent())
- else:
- q.run()
+++ /dev/null
-# Module 'anywin'
-# Open a file or directory in a window
-
-import dirwin
-import filewin
-import os
-
-def open(name):
- print 'opening', name, '...'
- if os.path.isdir(name):
- w = dirwin.open(name)
- else:
- w = filewin.open(name)
- return w
+++ /dev/null
-# basewin.py
-
-import stdwin
-import mainloop
-from stdwinevents import *
-
-class BaseWindow:
-
- def __init__(self, title):
- self.win = stdwin.open(title)
- self.win.dispatch = self.dispatch
- mainloop.register(self.win)
-
-# def reopen(self):
-# title = self.win.gettitle()
-# winpos = self.win.getwinpos()
-# winsize = self.win.getwinsize()
-# origin = self.win.getorigin()
-# docsize = self.win.getdocsize()
-# mainloop.unregister(self.win)
-# del self.win.dispatch
-# self.win.close()
-# stdwin.setdefwinpos(winpos)
-# stdwin.setdefwinsize(winsize)
-# self.win = stdwin.open(title)
-# stdwin.setdefwinpos(0, 0)
-# stdwin.setdefwinsize(0, 0)
-# self.win.setdocsize(docsize)
-# self.win.setorigin(origin)
-# self.win.dispatch = self.dispatch
-# mainloop.register(self.win)
-
- def popup(self):
- if self.win is not stdwin.getactive():
- self.win.setactive()
-
- def close(self):
- mainloop.unregister(self.win)
- del self.win.dispatch
- self.win.close()
-
- def dispatch(self, event):
- type, win, detail = event
- if type == WE_CHAR:
- self.char(detail)
- elif type == WE_COMMAND:
- self.command(detail)
- elif type == WE_MOUSE_DOWN:
- self.mouse_down(detail)
- elif type == WE_MOUSE_MOVE:
- self.mouse_move(detail)
- elif type == WE_MOUSE_UP:
- self.mouse_up(detail)
- elif type == WE_DRAW:
- self.draw(detail)
- elif type == WE_CLOSE:
- self.close()
-
- def no_op(self, detail):
- pass
- char = command = mouse_down = mouse_move = mouse_up = draw = no_op
-
- def refreshall(self):
- self.win.change((-10, 0), (10000, 30000))
+++ /dev/null
-# Module 'dirwin'
-
-# Directory windows, a subclass of listwin
-
-import os
-import gwin
-import listwin
-import anywin
-import dircache
-
-def action(w, string, i, detail):
- (h, v), clicks, button, mask = detail
- if clicks == 2:
- name = os.path.join(w.name, string)
- try:
- w2 = anywin.open(name)
- w2.parent = w
- except os.error, why:
- stdwin.message('Can\'t open ' + name + ': ' + why[1])
-
-def open(name):
- name = os.path.join(name, '')
- list = dircache.opendir(name)[:]
- list.sort()
- dircache.annotate(name, list)
- w = listwin.open(name, list)
- w.name = name
- w.action = action
- return w
+++ /dev/null
-# Module 'filewin'
-# File windows, a subclass of textwin (which is a subclass of gwin)
-
-import textwin
-import __builtin__
-
-
-# FILE WINDOW
-
-def open_readonly(fn): # Open a file window
- fp = __builtin__.open(fn, 'r')
- w = textwin.open_readonly(fn, fp.read())
- w.fn = fn
- return w
-
-def open(fn): # Open a file window
- fp = __builtin__.open(fn, 'r')
- w = textwin.open(fn, fp.read())
- w.fn = fn
- return w
+++ /dev/null
-# A class to help applications that do fancy text formatting.
-# You create an instance each time you must redraw the window.
-# Set the initial left, top and right coordinates;
-# then feed it words, font changes and vertical movements.
-#
-# This class should eventually be extended to support much fancier
-# formatting, along the lines of TeX; for now, a very simple model
-# is sufficient.
-#
-class formatter:
- #
- # Initialize a formatter instance.
- # Pass the window's drawing object, and left, top, right
- # coordinates of the drawing space as arguments.
- #
- def __init__(self, d, left, top, right):
- self.d = d # Drawing object
- self.left = left # Left margin
- self.right = right # Right margin
- self.v = top # Top of current line
- self.center = 0
- self.justify = 1
- self.setfont('') # Default font
- self._reset() # Prepare for new line
- #
- # Reset for start of fresh line.
- #
- def _reset(self):
- self.boxes = [] # Boxes and glue still to be output
- self.sum_width = 0 # Total width of boxes
- self.sum_space = 0 # Total space between boxes
- self.sum_stretch = 0 # Total stretch for space between boxes
- self.max_ascent = 0 # Max ascent of current line
- self.max_descent = 0 # Max descent of current line
- self.avail_width = self.right - self.left
- self.hang_indent = 0
- #
- # Set the current font, and compute some values from it.
- #
- def setfont(self, font):
- self.font = font
- self.d.setfont(font)
- self.font_space = self.d.textwidth(' ')
- self.font_ascent = self.d.baseline()
- self.font_descent = self.d.lineheight() - self.font_ascent
- #
- # Add a word to the list of boxes; first flush if line is full.
- # Space and stretch factors are expressed in fractions
- # of the current font's space width.
- # (Two variations: one without, one with explicit stretch factor.)
- #
- def addword(self, word, spacefactor):
- self.addwordstretch(word, spacefactor, spacefactor)
- #
- def addwordstretch(self, word, spacefactor, stretchfactor):
- width = self.d.textwidth(word)
- if width > self.avail_width:
- self._flush(1)
- space = int(float(self.font_space) * float(spacefactor))
- stretch = int(float(self.font_space) * float(stretchfactor))
- box = (self.font, word, width, space, stretch)
- self.boxes.append(box)
- self.sum_width = self.sum_width + width
- self.sum_space = self.sum_space + space
- self.sum_stretch = self.sum_stretch + stretch
- self.max_ascent = max(self.font_ascent, self.max_ascent)
- self.max_descent = max(self.font_descent, self.max_descent)
- self.avail_width = self.avail_width - width - space
- #
- # Flush current line and start a new one.
- # Flushing twice is harmless (i.e. does not introduce a blank line).
- # (Two versions: the internal one has a parameter for justification.)
- #
- def flush(self):
- self._flush(0)
- #
- def _flush(self, justify):
- if not self.boxes:
- return
- #
- # Compute amount of stretch needed.
- #
- if justify and self.justify or self.center:
- #
- # Compute extra space to fill;
- # this is avail_width plus glue from last box.
- # Also compute available stretch.
- #
- last_box = self.boxes[len(self.boxes)-1]
- font, word, width, space, stretch = last_box
- tot_extra = self.avail_width + space
- tot_stretch = self.sum_stretch - stretch
- else:
- tot_extra = tot_stretch = 0
- #
- # Output the boxes.
- #
- baseline = self.v + self.max_ascent
- h = self.left + self.hang_indent
- if self.center:
- h = h + tot_extra / 2
- tot_extra = tot_stretch = 0
- for font, word, width, space, stretch in self.boxes:
- self.d.setfont(font)
- v = baseline - self.d.baseline()
- self.d.text((h, v), word)
- h = h + width + space
- if tot_extra > 0 and tot_stretch > 0:
- extra = stretch * tot_extra / tot_stretch
- h = h + extra
- tot_extra = tot_extra - extra
- tot_stretch = tot_stretch - stretch
- #
- # Prepare for next line.
- #
- self.v = baseline + self.max_descent
- self.d.setfont(self.font)
- self._reset()
- #
- # Add vertical space; first flush.
- # Vertical space is expressed in fractions of the current
- # font's line height.
- #
- def vspace(self, lines):
- self.vspacepixels(int(lines * self.d.lineheight()))
- #
- # Add vertical space given in pixels.
- #
- def vspacepixels(self, dv):
- self.flush()
- self.v = self.v + dv
- #
- # Set temporary (hanging) indent, for paragraph start.
- # First flush.
- #
- def tempindent(self, space):
- self.flush()
- hang = int(float(self.font_space) * float(space))
- self.hang_indent = hang
- self.avail_width = self.avail_width - hang
- #
- # Add (permanent) left indentation. First flush.
- #
- def addleftindent(self, space):
- self.flush()
- self.left = self.left \
- + int(float(self.font_space) * float(space))
- self._reset()
- #
-
-
-# Test procedure
-#
-def test():
- import stdwin, stdwinq
- from stdwinevents import *
- try:
- import mac
- # Mac font assignments:
- font1 = 'times', '', 12
- font2 = 'times', 'b', 14
- except ImportError:
- # X11R4 font assignments
- font1 = '*times-medium-r-*-120-*'
- font2 = '*times-bold-r-*-140-*'
- words = \
- ['The','quick','brown','fox','jumps','over','the','lazy','dog.']
- words = words * 2
- stage = 0
- stages = [(0,0,'ragged'), (1,0,'justified'), (0,1,'centered')]
- justify, center, title = stages[stage]
- stdwin.setdefwinsize(300,200)
- w = stdwin.open(title)
- winsize = w.getwinsize()
- while 1:
- type, window, detail = stdwinq.getevent()
- if type == WE_CLOSE:
- break
- elif type == WE_SIZE:
- newsize = w.getwinsize()
- if newsize <> winsize:
- w.change((0,0), winsize)
- winsize = newsize
- w.change((0,0), winsize)
- elif type == WE_MOUSE_DOWN:
- stage = (stage + 1) % len(stages)
- justify, center, title = stages[stage]
- w.settitle(title)
- w.change((0, 0), (1000, 1000))
- elif type == WE_DRAW:
- width, height = winsize
- f = formatter(w.begindrawing(), 0, 0, width)
- f.center = center
- f.justify = justify
- if not center:
- f.tempindent(5)
- for font in font1, font2, font1:
- f.setfont(font)
- for word in words:
- space = 1 + (word[-1:] == '.')
- f.addword(word, space)
- if center and space > 1:
- f.flush()
- f.flush()
- height = f.v
- del f
- w.setdocsize(0, height)
+++ /dev/null
-# Module 'gwin'
-# Generic stdwin windows
-
-# This is used as a base class from which to derive other window types.
-# XXX DON'T USE THIS CODE ANY MORE! It is ages old!
-
-import stdwin, stdwinq
-from stdwinevents import *
-from mainloop import mainloop, register, unregister, windows
-
-# Open a window
-
-def open(title): # Open a generic window
- w = stdwin.open(title)
- stdwin.setdefwinsize(0, 0)
- # Set default event handlers
- w.draw = nop
- w.char = nop
- w.mdown = nop
- w.mmove = nop
- w.mup = nop
- w.m2down = m2down
- w.m2up = m2up
- w.size = nop
- w.move = nop
- w.activate = w.deactivate = nop
- w.timer = nop
- # default command handlers
- w.close = close
- w.tab = tab
- w.enter = enter
- w.backspace = backspace
- w.arrow = arrow
- w.kleft = w.kup = w.kright = w.kdown = nop
- w.dispatch = treatevent
- register(w)
- return w
-
-
-def treatevent(e): # Handle a stdwin event
- type, w, detail = e
- if type == WE_DRAW:
- w.draw(w, detail)
- elif type == WE_MENU:
- m, item = detail
- m.action[item](w, m, item)
- elif type == WE_COMMAND:
- treatcommand(w, detail)
- elif type == WE_CHAR:
- w.char(w, detail)
- elif type == WE_MOUSE_DOWN:
- if detail[1] > 1: w.m2down(w, detail)
- else: w.mdown(w, detail)
- elif type == WE_MOUSE_MOVE:
- w.mmove(w, detail)
- elif type == WE_MOUSE_UP:
- if detail[1] > 1: w.m2up(w, detail)
- else: w.mup(w, detail)
- elif type == WE_SIZE:
- w.size(w, w.getwinsize())
- elif type == WE_ACTIVATE:
- w.activate(w)
- elif type == WE_DEACTIVATE:
- w.deactivate(w)
- elif type == WE_MOVE:
- w.move(w)
- elif type == WE_TIMER:
- w.timer(w)
- elif type == WE_CLOSE:
- w.close(w)
-
-def treatcommand(w, type): # Handle a we_command event
- if type == WC_CLOSE:
- w.close(w)
- elif type == WC_RETURN:
- w.enter(w)
- elif type == WC_TAB:
- w.tab(w)
- elif type == WC_BACKSPACE:
- w.backspace(w)
- elif type in (WC_LEFT, WC_UP, WC_RIGHT, WC_DOWN):
- w.arrow(w, type)
-
-
-# Methods
-
-def close(w): # Close method
- unregister(w)
- del w.close # Delete our close function
- w.close() # Call the close method
-
-def arrow(w, detail): # Arrow key method
- if detail == WC_LEFT:
- w.kleft(w)
- elif detail == WC_UP:
- w.kup(w)
- elif detail == WC_RIGHT:
- w.kright(w)
- elif detail == WC_DOWN:
- w.kdown(w)
-
-
-# Trivial methods
-
-def tab(w): w.char(w, '\t')
-def enter(w): w.char(w, '\n') # 'return' is a Python reserved word
-def backspace(w): w.char(w, '\b')
-def m2down(w, detail): w.mdown(w, detail)
-def m2up(w, detail): w.mup(w, detail)
-def nop(*args): pass
+++ /dev/null
-# Module 'listwin'
-# List windows, a subclass of gwin
-
-import gwin
-import stdwin
-
-def maxlinewidth(a): # Compute maximum textwidth of lines in a sequence
- max = 0
- for line in a:
- width = stdwin.textwidth(line)
- if width > max: max = width
- return max
-
-def action(w, string, i, detail): # Default item selection method
- pass
-
-def mup(w, detail): # Mouse up method
- (h, v), clicks, button, mask = detail
- i = divmod(v, w.lineheight)[0]
- if 0 <= i < len(w.data):
- w.action(w, w.data[i], i, detail)
-
-def draw(w, ((left, top), (right, bottom))): # Text window draw method
- data = w.data
- d = w.begindrawing()
- lh = w.lineheight
- itop = top/lh
- ibot = (bottom-1)/lh + 1
- if itop < 0: itop = 0
- if ibot > len(data): ibot = len(data)
- for i in range(itop, ibot): d.text((0, i*lh), data[i])
-
-def open(title, data): # Display a list of texts in a window
- lineheight = stdwin.lineheight()
- h, v = maxlinewidth(data), len(data)*lineheight
- h0, v0 = h + stdwin.textwidth(' '), v + lineheight
- if h0 > stdwin.textwidth(' ')*80: h0 = 0
- if v0 > stdwin.lineheight()*24: v0 = 0
- stdwin.setdefwinsize(h0, v0)
- w = gwin.open(title)
- w.setdocsize(h, v)
- w.lineheight = lineheight
- w.data = data
- w.draw = draw
- w.action = action
- w.mup = mup
- return w
+++ /dev/null
-# Standard main loop for *all* STDWIN applications.
-# This requires that applications:
-# - register their windows on creation and unregister them when closed
-# - have a 'dispatch' function as a window member
-
-
-import stdwin, stdwinq
-from stdwinevents import *
-
-
-# List of windows known to the main loop.
-#
-windows = []
-
-
-# Last window that ever received an event
-#
-last_window = None
-
-
-# Function to register a window.
-#
-def register(win):
- # First test the dispatch function by passing it a null event --
- # this catches registration of unconforming windows.
- win.dispatch((WE_NULL, win, None))
- if win not in windows:
- windows.append(win)
-
-
-# Function to unregister a window.
-# It is not an error to unregister an already unregistered window
-# (this is useful for cleanup actions).
-#
-def unregister(win):
- global last_window
- if win == last_window:
- last_window = None
- if win in windows:
- windows.remove(win) # Not in 0.9.1
- # 0.9.1 solution:
- #for i in range(len(windows)):
- # if windows[i] = win:
- # del windows[i]
- # break
-
-
-# Interfaces used by WindowSched.
-#
-def countwindows():
- return len(windows)
-#
-def anywindow():
- if windows:
- return windows[0]
- else:
- return None
-
-
-# NEW: register any number of file descriptors
-#
-fdlist = []
-select_args = None
-select_handlers = None
-#
-def registerfd(fd, mode, handler):
- if mode not in ('r', 'w', 'x'):
- raise ValueError, 'mode must be r, w or x'
- if type(fd) <> type(0):
- fd = fd.fileno() # If this fails it's not a proper select arg
- for i in range(len(fdlist)):
- if fdlist[i][:2] == (fd, mode):
- raise ValueError, \
- '(fd, mode) combination already registered'
- fdlist.append((fd, mode, handler))
- make_select_args()
-#
-def unregisterfd(fd, *args):
- if type(fd) <> type(0):
- fd = fd.fileno() # If this fails it's not a proper select arg
- args = (fd,) + args
- n = len(args)
- for i in range(len(fdlist)):
- if fdlist[i][:n] == args:
- del fdlist[i]
- make_select_args()
-#
-def make_select_args():
- global select_args, select_handlers
- rlist, wlist, xlist = [], [], []
- rhandlers, whandlers, xhandlers = {}, {}, {}
- for fd, mode, handler in fdlist:
- if mode == 'r':
- rlist.append(fd)
- rhandlers[`fd`] = handler
- if mode == 'w':
- wlist.append(fd)
- whandlers[`fd`] = handler
- if mode == 'x':
- xlist.append(fd)
- xhandlers[`fd`] = handler
- if rlist or wlist or xlist:
- select_args = rlist, wlist, xlist
- select_handlers = rhandlers, whandlers, xhandlers
- else:
- select_args = None
- select_handlers = None
-#
-def do_select():
- import select
- reply = apply(select.select, select_args)
- for mode in 0, 1, 2:
- list = reply[mode]
- for fd in list:
- handler = select_handlers[mode][`fd`]
- handler(fd, 'rwx'[mode])
-
-
-# Event processing main loop.
-# Return when there are no windows left, or when an unhandled
-# exception occurs. (It is safe to restart the main loop after
-# an unsuccessful exit.)
-# Python's stdwin.getevent() turns WE_COMMAND/WC_CANCEL events
-# into KeyboardInterrupt exceptions; these are turned back in events.
-#
-recursion_level = 0 # Hack to make it reentrant
-def mainloop():
- global recursion_level
- recursion_level = recursion_level + 1
- try:
- stdwin_select_handler() # Process events already in queue
- while 1:
- if windows and not fdlist:
- while windows and not fdlist:
- try:
- event = stdwinq.getevent()
- except KeyboardInterrupt:
- event = (WE_COMMAND, \
- None, WC_CANCEL)
- dispatch(event)
- elif windows and fdlist:
- fd = stdwin.fileno()
- if recursion_level == 1:
- registerfd(fd, 'r', stdwin_select_handler)
- try:
- while windows:
- do_select()
- stdwin_select_handler()
- finally:
- if recursion_level == 1:
- unregisterfd(fd)
- elif fdlist:
- while fdlist and not windows:
- do_select()
- else:
- break
- finally:
- recursion_level = recursion_level - 1
-
-
-# Check for events without ever blocking
-#
-def check():
- stdwin_select_handler()
- # XXX Should check for socket stuff as well
-
-
-# Handle stdwin events until none are left
-#
-def stdwin_select_handler(*args):
- while 1:
- try:
- event = stdwinq.pollevent()
- except KeyboardInterrupt:
- event = (WE_COMMAND, None, WC_CANCEL)
- if event is None:
- break
- dispatch(event)
-
-
-# Run a modal dialog loop for a window. The dialog window must have
-# been registered first. This prohibits most events (except size/draw
-# events) to other windows. The modal dialog loop ends when the
-# dialog window unregisters itself.
-#
-passthrough = WE_SIZE, WE_DRAW
-beeping = WE_MOUSE_DOWN, WE_COMMAND, WE_CHAR, WE_KEY, WE_CLOSE, WE_MENU
-#
-def modaldialog(window):
- if window not in windows:
- raise ValueError, 'modaldialog window not registered'
- while window in windows:
- try:
- event = stdwinq.getevent()
- except KeyboardInterrupt:
- event = WE_COMMAND, None, WC_CANCEL
- etype, ewindow, edetail = event
- if etype not in passthrough and ewindow <> window:
- if etype in beeping:
- stdwin.fleep()
- continue
- dispatch(event)
-
-
-# Dispatch a single event.
-# Events for the no window in particular are sent to the active window
-# or to the last window that received an event (these hacks are for the
-# WE_LOST_SEL event, which is directed to no particular window).
-# Windows not in the windows list don't get their events:
-# events for such windows are silently ignored.
-#
-def dispatch(event):
- global last_window
- if event[1] == None:
- active = stdwin.getactive()
- if active: last_window = active
- else:
- last_window = event[1]
- if last_window in windows:
- last_window.dispatch(event)
-
-
-# Dialog base class
-#
-class Dialog:
- #
- def __init__(self, title):
- self.window = stdwin.open(title)
- self.window.dispatch = self.dispatch
- register(self.window)
- #
- def close(self):
- unregister(self.window)
- del self.window.dispatch
- self.window.close()
- #
- def dispatch(self, event):
- etype, ewindow, edetail = event
- if etype == WE_CLOSE:
- self.close()
-
-
-# Standard modal dialogs
-# XXX implemented using stdwin dialogs for now
-#
-def askstr(prompt, default):
- return stdwin.askstr(prompt, default)
-#
-def askync(prompt, yesorno):
- return stdwin.askync(prompt, yesorno)
-#
-def askfile(prompt, default, new):
- return stdwin.askfile(prompt, default, new)
-#
-def message(msg):
- stdwin.message(msg)
+++ /dev/null
-# Module 'rect'.
-#
-# Operations on rectangles.
-# There is some normalization: all results return the object 'empty'
-# if their result would contain no points.
-
-
-# Exception.
-#
-error = 'rect.error'
-
-
-# The empty rectangle.
-#
-empty = (0, 0), (0, 0)
-
-
-# Check if a rectangle is empty.
-#
-def is_empty(r):
- (left, top), (right, bottom) = r
- return left >= right or top >= bottom
-
-
-# Compute the intersection or two or more rectangles.
-# This works with a list or tuple argument.
-#
-def intersect(list):
- if not list: raise error, 'intersect called with empty list'
- if is_empty(list[0]): return empty
- (left, top), (right, bottom) = list[0]
- for rect in list[1:]:
- if is_empty(rect):
- return empty
- (l, t), (r, b) = rect
- if left < l: left = l
- if top < t: top = t
- if right > r: right = r
- if bottom > b: bottom = b
- if is_empty(((left, top), (right, bottom))):
- return empty
- return (left, top), (right, bottom)
-
-
-# Compute the smallest rectangle containing all given rectangles.
-# This works with a list or tuple argument.
-#
-def union(list):
- (left, top), (right, bottom) = list[0]
- for (l, t), (r, b) in list[1:]:
- if not is_empty(((l, t), (r, b))):
- if l < left: left = l
- if t < top: top = t
- if r > right: right = r
- if b > bottom: bottom = b
- res = (left, top), (right, bottom)
- if is_empty(res):
- return empty
- return res
-
-
-# Check if a point is in a rectangle.
-#
-def pointinrect((h, v), ((left, top), (right, bottom))):
- return left <= h < right and top <= v < bottom
-
-
-# Return a rectangle that is dh, dv inside another
-#
-def inset(((left, top), (right, bottom)), (dh, dv)):
- left = left + dh
- top = top + dv
- right = right - dh
- bottom = bottom - dv
- r = (left, top), (right, bottom)
- if is_empty(r):
- return empty
- else:
- return r
-
-
-# Conversions between rectangles and 'geometry tuples',
-# given as origin (h, v) and dimensions (width, height).
-#
-def rect2geom((left, top), (right, bottom)):
- return (left, top), (right-left, bottom-top)
-
-def geom2rect((h, v), (width, height)):
- return (h, v), (h+width, v+height)
+++ /dev/null
-# srcwin.py -- a source listing window
-
-import stdwin
-from stdwinevents import *
-import basewin
-
-WIDTH = 40
-MAXHEIGHT = 24
-
-
-class TextWindow(basewin.BaseWindow):
-
- def __init__(self, title, contents):
- self.contents = contents
- self.linecount = countlines(self.contents)
- #
- self.lineheight = lh = stdwin.lineheight()
- self.leftmargin = self.getmargin()
- self.top = 0
- self.rightmargin = 30000 # Infinity
- self.bottom = lh * self.linecount
- #
- width = WIDTH*stdwin.textwidth('0')
- height = lh*min(MAXHEIGHT, self.linecount)
- stdwin.setdefwinsize(width, height)
- basewin.BaseWindow.__init__(self, title)
- #
- self.win.setdocsize(0, self.bottom)
- self.initeditor()
-
- def initeditor(self):
- r = (self.leftmargin, self.top), (self.rightmargin, self.bottom)
- self.editor = self.win.textcreate(r)
- self.editor.settext(self.contents)
-
- def closeeditor(self):
- self.editor.close()
-
-# def reopen(self):
-# self.closeeditor()
-# basewin.BaseWindow.reopen(self)
-# self.initeditor()
-
- # Override the following two methods to format line numbers differently
-
- def getmark(self, lineno):
- return `lineno`
-
- def getmargin(self):
- return stdwin.textwidth(`self.linecount + 1` + ' ')
-
- # Event dispatcher, called from mainloop.mainloop()
-
- def dispatch(self, event):
- if event[0] == WE_NULL: return # Dummy tested by mainloop
- if event[0] == WE_DRAW or not self.editor.event(event):
- basewin.BaseWindow.dispatch(self, event)
-
- # Event handlers
-
- def close(self):
- self.closeeditor()
- basewin.BaseWindow.close(self)
-
- def draw(self, detail):
- dummy = self.editor.draw(detail)
- # Draw line numbers
- (left, top), (right, bottom) = detail
- topline = top/self.lineheight
- botline = bottom/self.lineheight + 1
- botline = min(self.linecount, botline)
- d = self.win.begindrawing()
- try:
- h, v = 0, self.lineheight * topline
- for lineno in range(topline+1, botline+1):
- d.text((h, v), self.getmark(lineno))
- v = v + self.lineheight
- finally:
- d.close()
-
- # Calls from outside
-
- def changemark(self, lineno): # redraw the mark for a line
- left = 0
- top = (lineno-1) * self.lineheight
- right = self.leftmargin
- bottom = lineno * self.lineheight
- d = self.win.begindrawing()
- try:
- d.erase((left, top), (right, bottom))
- d.text((left, top), self.getmark(lineno))
- finally:
- d.close()
-
- def showline(self, lineno): # scroll to make a line visible
- left = 0
- top = (lineno-1) * self.lineheight
- right = self.leftmargin
- bottom = lineno * self.lineheight
- self.win.show((left, top), (right, bottom))
-
-
-# Subroutine to count the number of lines in a string
-
-def countlines(text):
- n = 0
- for c in text:
- if c == '\n': n = n+1
- if text and text[-1] != '\n': n = n+1 # Partial last line
- return n
-
-
-class SourceWindow(TextWindow):
-
- def __init__(self, filename):
- self.filename = filename
- f = open(self.filename, 'r')
- contents = f.read()
- f.close()
- TextWindow.__init__(self, self.filename, contents)
-
-# ------------------------------ testing ------------------------------
-
-TESTFILE = 'srcwin.py'
-
-def test():
- import mainloop
- sw = SourceWindow(TESTFILE)
- mainloop.mainloop()
+++ /dev/null
-# Module 'stdwinevents' -- Constants for stdwin event types
-#
-# Suggested usage:
-# from stdwinevents import *
-
-# The function stdwin.getevent() returns a tuple containing:
-# (type, window, detail)
-# where detail may be <no value> or a value depending on type, see below:
-
-# Values for type:
-
-WE_NULL = 0 # not reported -- means 'no event' internally
-WE_ACTIVATE = 1 # detail is None
-WE_CHAR = 2 # detail is the character
-WE_COMMAND = 3 # detail is one of the WC_* constants below
-WE_MOUSE_DOWN = 4 # detail is ((h, v), clicks, button, mask)
-WE_MOUSE_MOVE = 5 # ditto
-WE_MOUSE_UP = 6 # ditto
-WE_MENU = 7 # detail is (menu, item)
-WE_SIZE = 8 # detail is (width, height)
-WE_MOVE = 9 # not reported -- reserved for future use
-WE_DRAW = 10 # detail is ((left, top), (right, bottom))
-WE_TIMER = 11 # detail is None
-WE_DEACTIVATE = 12 # detail is None
-WE_EXTERN = 13 # detail is None
-WE_KEY = 14 # detail is ???
-WE_LOST_SEL = 15 # detail is selection number
-WE_CLOSE = 16 # detail is None
-
-# Values for detail when type is WE_COMMAND:
-
-WC_CLOSE = 1 # obsolete; now reported as WE_CLOSE
-WC_LEFT = 2 # left arrow key
-WC_RIGHT = 3 # right arrow key
-WC_UP = 4 # up arrow key
-WC_DOWN = 5 # down arrow key
-WC_CANCEL = 6 # not reported -- turned into KeyboardInterrupt
-WC_BACKSPACE = 7 # backspace key
-WC_TAB = 8 # tab key
-WC_RETURN = 9 # return or enter key
-
-# Selection numbers
-
-WS_CLIPBOARD = 0
-WS_PRIMARY = 1
-WS_SECONDARY = 2
-
-# Modifier masks in key and mouse events
-
-WM_SHIFT = (1 << 0)
-WM_LOCK = (1 << 1)
-WM_CONTROL = (1 << 2)
-WM_META = (1 << 3)
-WM_OPTION = (1 << 4)
-WM_NUM = (1 << 5)
-
-WM_BUTTON1 = (1 << 8)
-WM_BUTTON2 = (1 << 9)
-WM_BUTTON3 = (1 << 10)
-WM_BUTTON4 = (1 << 11)
-WM_BUTTON5 = (1 << 12)
+++ /dev/null
-# Replacements for getevent() and pollevent(),
-# and new functions ungetevent() and sync().
-
-
-# Every library module should ideally use this instead of
-# stdwin.{get,poll}event(), so applications can use the services
-# of ungetevent() and sync().
-
-
-import stdwin
-
-
-# Events read ahead are stored in this queue.
-#
-queue = []
-
-
-# Replacement for getevent().
-#
-def getevent():
- if queue:
- event = queue[0]
- del queue[0]
- return event
- else:
- return stdwin.getevent()
-
-
-# Replacement for pollevent().
-#
-def pollevent():
- if queue:
- return getevent()
- else:
- return stdwin.pollevent()
-
-
-# Push an event back in the queue.
-#
-def ungetevent(event):
- queue.insert(0, event)
-
-
-# Synchronize the display. It turns out that this is the way to
-# force STDWIN to call XSync(), which some (esoteric) applications need.
-# (This is stronger than just flushing -- it actually waits for a
-# positive response from the X server on the last command issued.)
-#
-def sync():
- while 1:
- event = stdwin.pollevent()
- if not event: break
- queue.append(event)
+++ /dev/null
-# Module 'tablewin'
-
-# Display a table, with per-item actions:
-
-# A1 | A2 | A3 | .... | AN
-# B1 | B2 | B3 | .... | BN
-# C1 | C2 | C3 | .... | CN
-# .. | .. | .. | .... | ..
-# Z1 | Z2 | Z3 | .... | ZN
-
-# Not all columns need to have the same length.
-# The data structure is a list of columns;
-# each column is a list of items.
-# Each item is a pair of a string and an action procedure.
-# The first item may be a column title.
-
-import stdwin
-import gwin
-from stdwinevents import *
-
-def open(title, data): # Public function to open a table window
- #
- # Set geometry parameters (one day, these may be changeable)
- #
- margin = stdwin.textwidth(' ')
- lineheight = stdwin.lineheight()
- #
- # Geometry calculations
- #
- colstarts = [0]
- totwidth = 0
- maxrows = 0
- for coldata in data:
- # Height calculations
- rows = len(coldata)
- if rows > maxrows: maxrows = rows
- # Width calculations
- width = colwidth(coldata) + margin
- totwidth = totwidth + width
- colstarts.append(totwidth)
- #
- # Calculate document and window height
- #
- docwidth, docheight = totwidth, maxrows*lineheight
- winwidth, winheight = docwidth, docheight
- if winwidth > stdwin.textwidth('n')*100: winwidth = 0
- if winheight > stdwin.lineheight()*30: winheight = 0
- #
- # Create the window
- #
- stdwin.setdefwinsize(winwidth, winheight)
- w = gwin.open(title)
- #
- # Set properties and override methods
- #
- w.data = data
- w.margin = margin
- w.lineheight = lineheight
- w.colstarts = colstarts
- w.totwidth = totwidth
- w.maxrows = maxrows
- w.selection = (-1, -1)
- w.lastselection = (-1, -1)
- w.selshown = 0
- w.setdocsize(docwidth, docheight)
- w.draw = draw
- w.mup = mup
- w.arrow = arrow
- #
- # Return
- #
- return w
-
-def update(w, data): # Change the data
- #
- # Hide selection
- #
- hidesel(w, w.begindrawing())
- #
- # Get old geometry parameters
- #
- margin = w.margin
- lineheight = w.lineheight
- #
- # Geometry calculations
- #
- colstarts = [0]
- totwidth = 0
- maxrows = 0
- for coldata in data:
- # Height calculations
- rows = len(coldata)
- if rows > maxrows: maxrows = rows
- # Width calculations
- width = colwidth(coldata) + margin
- totwidth = totwidth + width
- colstarts.append(totwidth)
- #
- # Calculate document and window height
- #
- docwidth, docheight = totwidth, maxrows*lineheight
- #
- # Set changed properties and change window size
- #
- w.data = data
- w.colstarts = colstarts
- w.totwidth = totwidth
- w.maxrows = maxrows
- w.change((0, 0), (10000, 10000))
- w.setdocsize(docwidth, docheight)
- w.change((0, 0), (docwidth, docheight))
- #
- # Show selection, or forget it if out of range
- #
- showsel(w, w.begindrawing())
- if not w.selshown: w.selection = (-1, -1)
-
-def colwidth(coldata): # Subroutine to calculate column width
- maxwidth = 0
- for string, action in coldata:
- width = stdwin.textwidth(string)
- if width > maxwidth: maxwidth = width
- return maxwidth
-
-def draw(w, ((left, top), (right, bottom))): # Draw method
- ileft = whichcol(w, left)
- iright = whichcol(w, right-1) + 1
- if iright > len(w.data): iright = len(w.data)
- itop = divmod(top, w.lineheight)[0]
- if itop < 0: itop = 0
- ibottom, remainder = divmod(bottom, w.lineheight)
- if remainder: ibottom = ibottom + 1
- d = w.begindrawing()
- if ileft <= w.selection[0] < iright:
- if itop <= w.selection[1] < ibottom:
- hidesel(w, d)
- d.erase((left, top), (right, bottom))
- for i in range(ileft, iright):
- col = w.data[i]
- jbottom = len(col)
- if ibottom < jbottom: jbottom = ibottom
- h = w.colstarts[i]
- v = itop * w.lineheight
- for j in range(itop, jbottom):
- string, action = col[j]
- d.text((h, v), string)
- v = v + w.lineheight
- showsel(w, d)
-
-def mup(w, detail): # Mouse up method
- (h, v), nclicks, button, mask = detail
- icol = whichcol(w, h)
- if 0 <= icol < len(w.data):
- irow = divmod(v, w.lineheight)[0]
- col = w.data[icol]
- if 0 <= irow < len(col):
- string, action = col[irow]
- action(w, string, (icol, irow), detail)
-
-def whichcol(w, h): # Return column number (may be >= len(w.data))
- for icol in range(0, len(w.data)):
- if h < w.colstarts[icol+1]:
- return icol
- return len(w.data)
-
-def arrow(w, type):
- if type == WC_LEFT:
- incr = -1, 0
- elif type == WC_UP:
- incr = 0, -1
- elif type == WC_RIGHT:
- incr = 1, 0
- elif type == WC_DOWN:
- incr = 0, 1
- else:
- return
- icol, irow = w.lastselection
- icol = icol + incr[0]
- if icol < 0: icol = len(w.data)-1
- if icol >= len(w.data): icol = 0
- if 0 <= icol < len(w.data):
- irow = irow + incr[1]
- if irow < 0: irow = len(w.data[icol]) - 1
- if irow >= len(w.data[icol]): irow = 0
- else:
- irow = 0
- if 0 <= icol < len(w.data) and 0 <= irow < len(w.data[icol]):
- w.lastselection = icol, irow
- string, action = w.data[icol][irow]
- detail = (0, 0), 1, 1, 1
- action(w, string, (icol, irow), detail)
-
-
-# Selection management
-# TO DO: allow multiple selected entries
-
-def select(w, selection): # Public function to set the item selection
- d = w.begindrawing()
- hidesel(w, d)
- w.selection = selection
- showsel(w, d)
- if w.selshown: lastselection = selection
-
-def hidesel(w, d): # Hide the selection, if shown
- if w.selshown: invertsel(w, d)
-
-def showsel(w, d): # Show the selection, if hidden
- if not w.selshown: invertsel(w, d)
-
-def invertsel(w, d): # Invert the selection, if valid
- icol, irow = w.selection
- if 0 <= icol < len(w.data) and 0 <= irow < len(w.data[icol]):
- left = w.colstarts[icol]
- right = w.colstarts[icol+1]
- top = irow * w.lineheight
- bottom = (irow+1) * w.lineheight
- d.invert((left, top), (right, bottom))
- w.selshown = (not w.selshown)
-
-
-# Demonstration
-
-def demo_action(w, string, (icol, irow), detail): # Action function for demo
- select(w, (irow, icol))
-
-def demo(): # Demonstration
- da = demo_action # shorthand
- col0 = [('a1', da), ('bbb1', da), ('c1', da)]
- col1 = [('a2', da), ('bbb2', da)]
- col2 = [('a3', da), ('b3', da), ('c3', da), ('d4', da), ('d5', da)]
- col3 = []
- for i in range(1, 31): col3.append(('xxx' + `i`, da))
- data = [col0, col1, col2, col3]
- w = open('tablewin.demo', data)
- gwin.mainloop()
- return w
+++ /dev/null
-# Module 'textwin'
-
-# Text windows, a subclass of gwin
-
-import stdwin
-import gwin
-from stdwinevents import *
-
-
-def fixsize(w):
- docwidth, docheight = w.text.getrect()[1]
- winheight = w.getwinsize()[1]
- if winheight > docheight: docheight = winheight
- w.setdocsize(0, docheight)
- fixeditmenu(w)
-
-def cut(w, m, id):
- s = w.text.getfocustext()
- if s:
- stdwin.setcutbuffer(0, s)
- w.text.replace('')
- fixsize(w)
-
-def copy(w, m, id):
- s = w.text.getfocustext()
- if s:
- stdwin.setcutbuffer(0, s)
- fixeditmenu(w)
-
-def paste(w, m, id):
- w.text.replace(stdwin.getcutbuffer(0))
- fixsize(w)
-
-def addeditmenu(w):
- m = w.editmenu = w.menucreate('Edit')
- m.action = []
- m.additem('Cut', 'X')
- m.action.append(cut)
- m.additem('Copy', 'C')
- m.action.append(copy)
- m.additem('Paste', 'V')
- m.action.append(paste)
-
-def fixeditmenu(w):
- m = w.editmenu
- f = w.text.getfocus()
- can_copy = (f[0] < f[1])
- m.enable(1, can_copy)
- if not w.readonly:
- m.enable(0, can_copy)
- m.enable(2, (stdwin.getcutbuffer(0) <> ''))
-
-def draw(w, area): # Draw method
- w.text.draw(area)
-
-def size(w, newsize): # Size method
- w.text.move((0, 0), newsize)
- fixsize(w)
-
-def close(w): # Close method
- del w.text # Break circular ref
- gwin.close(w)
-
-def char(w, c): # Char method
- w.text.replace(c)
- fixsize(w)
-
-def backspace(w): # Backspace method
- void = w.text.event(WE_COMMAND, w, WC_BACKSPACE)
- fixsize(w)
-
-def arrow(w, detail): # Arrow method
- w.text.arrow(detail)
- fixeditmenu(w)
-
-def mdown(w, detail): # Mouse down method
- void = w.text.event(WE_MOUSE_DOWN, w, detail)
- fixeditmenu(w)
-
-def mmove(w, detail): # Mouse move method
- void = w.text.event(WE_MOUSE_MOVE, w, detail)
-
-def mup(w, detail): # Mouse up method
- void = w.text.event(WE_MOUSE_UP, w, detail)
- fixeditmenu(w)
-
-def activate(w): # Activate method
- fixeditmenu(w)
-
-def open(title, str): # Display a string in a window
- w = gwin.open(title)
- w.readonly = 0
- w.text = w.textcreate((0, 0), w.getwinsize())
- w.text.replace(str)
- w.text.setfocus(0, 0)
- addeditmenu(w)
- fixsize(w)
- w.draw = draw
- w.size = size
- w.close = close
- w.mdown = mdown
- w.mmove = mmove
- w.mup = mup
- w.char = char
- w.backspace = backspace
- w.arrow = arrow
- w.activate = activate
- return w
-
-def open_readonly(title, str): # Same with char input disabled
- w = open(title, str)
- w.readonly = 1
- w.char = w.backspace = gwin.nop
- # Disable Cut and Paste menu item; leave Copy alone
- w.editmenu.enable(0, 0)
- w.editmenu.enable(2, 0)
- return w
+++ /dev/null
-# wdb.py -- a window-based Python debugger
-
-# XXX To do:
-# - don't fall out of bottom frame
-
-
-import stdwin
-from stdwinevents import *
-import sys
-import basewin
-import bdb
-import repr
-
-WIDTH = 40
-HEIGHT = 8
-
-WdbDone = 'wdb.WdbDone' # Exception to continue execution
-
-
-class Wdb(bdb.Bdb, basewin.BaseWindow): # Window debugger
-
- def __init__(self):
- self.sourcewindows = {}
- self.framewindows = {}
- bdb.Bdb.__init__(self)
- width = WIDTH*stdwin.textwidth('0')
- height = HEIGHT*stdwin.lineheight()
- stdwin.setdefwinsize(width, height)
- basewin.BaseWindow.__init__(self, '--Stack--')
- self.closed = 0
-
- def reset(self):
- if self.closed: raise RuntimeError, 'already closed'
- bdb.Bdb.reset(self)
- self.forget()
-
- def forget(self):
- self.lineno = None
- self.stack = []
- self.curindex = 0
- self.curframe = None
- for fn in self.sourcewindows.keys():
- self.sourcewindows[fn].resetlineno()
-
- def setup(self, f, t):
- self.forget()
- self.stack, self.curindex = self.get_stack(f, t)
- self.curframe = self.stack[self.curindex][0]
- # Build a list of current frames
- cfl = []
- for f, i in self.stack: cfl.append(f)
- # Remove deactivated frame windows
- for name in self.framewindows.keys():
- fw = self.framewindows[name]
- if fw.frame not in cfl: fw.close()
- else: fw.refreshframe()
- # Refresh the stack window
- self.refreshstack()
-
- # Override Bdb methods (except user_call, for now)
-
- def user_line(self, frame):
- # This function is called when we stop or break at this line
- self.interaction(frame, None)
-
- def user_return(self, frame, return_value):
- # This function is called when a return trap is set here
- frame.f_locals['__return__'] = return_value
- self.settitle('--Return--')
- self.interaction(frame, None)
- if not self.closed:
- self.settitle('--Stack--')
-
- def user_exception(self, frame, (exc_type, exc_value, exc_traceback)):
- # This function is called if an exception occurs,
- # but only if we are to stop at or just below this level
- frame.f_locals['__exception__'] = exc_type, exc_value
- if type(exc_type) == type(''):
- exc_type_name = exc_type
- else: exc_type_name = exc_type.__name__
- self.settitle(exc_type_name + ': ' + repr.repr(exc_value))
- stdwin.fleep()
- self.interaction(frame, exc_traceback)
- if not self.closed:
- self.settitle('--Stack--')
-
- # Change the title
-
- def settitle(self, title):
- self.savetitle = self.win.gettitle()
- self.win.settitle(title)
-
- # General interaction function
-
- def interaction(self, frame, traceback):
- import mainloop
- self.popup()
- self.setup(frame, traceback)
- try:
- mainloop.mainloop()
- except WdbDone:
- pass
- self.forget()
-
- # Functions whose name is do_X for some character X
- # are callable directly from the keyboard.
-
- def do_up(self):
- if self.curindex == 0:
- stdwin.fleep()
- else:
- self.curindex = self.curindex - 1
- self.curframe = self.stack[self.curindex][0]
- self.refreshstack()
- do_u = do_up
-
- def do_down(self):
- if self.curindex + 1 == len(self.stack):
- stdwin.fleep()
- else:
- self.curindex = self.curindex + 1
- self.curframe = self.stack[self.curindex][0]
- self.refreshstack()
- do_d = do_down
-
- def do_step(self):
- self.set_step()
- raise WdbDone
- do_s = do_step
-
- def do_next(self):
- self.set_next(self.curframe)
- raise WdbDone
- do_n = do_next
-
- def do_return(self):
- self.set_return(self.curframe)
- raise WdbDone
- do_r = do_return
-
- def do_continue(self):
- self.set_continue()
- raise WdbDone
- do_c = do_cont = do_continue
-
- def do_quit(self):
- self.close()
- raise WdbDone
- do_q = do_quit
-
- def do_list(self):
- fn = self.curframe.f_code.co_filename
- if not self.sourcewindows.has_key(fn):
- import wdbsrcwin
- try:
- self.sourcewindows[fn] = wdbsrcwin. \
- DebuggerSourceWindow(self, fn)
- except IOError:
- stdwin.fleep()
- return
- w = self.sourcewindows[fn]
- lineno = self.stack[self.curindex][1]
- w.setlineno(lineno)
- w.popup()
- do_l = do_list
-
- def do_frame(self):
- name = 'locals' + `self.curframe`[16:-1]
- if self.framewindows.has_key(name):
- self.framewindows[name].popup()
- else:
- import wdbframewin
- self.framewindows[name] = \
- wdbframewin.FrameWindow(self, \
- self.curframe, \
- self.curframe.f_locals, name)
- do_f = do_frame
-
- def do_globalframe(self):
- name = 'globals' + `self.curframe`[16:-1]
- if self.framewindows.has_key(name):
- self.framewindows[name].popup()
- else:
- import wdbframewin
- self.framewindows[name] = \
- wdbframewin.FrameWindow(self, \
- self.curframe, \
- self.curframe.f_globals, name)
- do_g = do_globalframe
-
- # Link between the debugger and the window
-
- def refreshstack(self):
- height = stdwin.lineheight() * (1 + len(self.stack))
- self.win.setdocsize((0, height))
- self.refreshall() # XXX be more subtle later
- # Also pass the information on to the source windows
- filename = self.curframe.f_code.co_filename
- lineno = self.curframe.f_lineno
- for fn in self.sourcewindows.keys():
- w = self.sourcewindows[fn]
- if fn == filename:
- w.setlineno(lineno)
- else:
- w.resetlineno()
-
- # The remaining methods override BaseWindow methods
-
- def close(self):
- if not self.closed:
- basewin.BaseWindow.close(self)
- self.closed = 1
- for key in self.sourcewindows.keys():
- self.sourcewindows[key].close()
- for key in self.framewindows.keys():
- self.framewindows[key].close()
- self.set_quit()
-
- def char(self, detail):
- try:
- func = eval('self.do_' + detail)
- except (AttributeError, SyntaxError):
- stdwin.fleep()
- return
- func()
-
- def command(self, detail):
- if detail == WC_UP:
- self.do_up()
- elif detail == WC_DOWN:
- self.do_down()
-
- def mouse_down(self, detail):
- (h, v), clicks, button, mask = detail
- i = v / stdwin.lineheight()
- if 0 <= i < len(self.stack):
- if i != self.curindex:
- self.curindex = i
- self.curframe = self.stack[self.curindex][0]
- self.refreshstack()
- elif clicks == 2:
- self.do_frame()
- else:
- stdwin.fleep()
-
- def draw(self, detail):
- import linecache, string
- d = self.win.begindrawing()
- try:
- h, v = 0, 0
- for f, lineno in self.stack:
- fn = f.f_code.co_filename
- if f is self.curframe:
- s = '> '
- else:
- s = ' '
- s = s + fn + '(' + `lineno` + ')'
- s = s + f.f_code.co_name
- if f.f_locals.has_key('__args__'):
- args = f.f_locals['__args__']
- if args is not None:
- s = s + repr.repr(args)
- if f.f_locals.has_key('__return__'):
- rv = f.f_locals['__return__']
- s = s + '->'
- s = s + repr.repr(rv)
- line = linecache.getline(fn, lineno)
- if line: s = s + ': ' + string.strip(line)
- d.text((h, v), s)
- v = v + d.lineheight()
- finally:
- d.close()
-
-
-# Simplified interface
-
-def run(statement, globals=None, locals=None):
- x = Wdb()
- try: x.run(statement, globals, locals)
- finally: x.close()
-
-def runeval(expression, globals=None, locals=None):
- x = Wdb()
- try: return x.runeval(expression, globals, locals)
- finally: x.close()
-
-def runctx(statement, globals, locals):
- # B/W compatibility
- run(statement, globals, locals)
-
-def runcall(*args):
- x = Wdb()
- try: return apply(x.runcall, args)
- finally: x.close()
-
-def set_trace():
- Wdb().set_trace()
-
-# Post-Mortem interface
-
-def post_mortem(traceback):
- x = Wdb()
- x.reset()
- x.interaction(None, traceback)
-
-def pm():
- import sys
- post_mortem(sys.last_traceback)
-
-
-# Main program for testing
-
-TESTCMD = 'import x; x.main()'
-
-def test():
- run(TESTCMD)
+++ /dev/null
-# wdbframewin.py -- frame window for wdb.py
-
-# XXX To do:
-# - display function name in window title
-# - execute arbitrary statements instead of just evaluating expressions
-# - allow setting variables by editing their values
-
-
-import stdwin
-from stdwinevents import *
-import basewin
-import sys
-
-WIDTH = 40
-MINHEIGHT = 8
-MAXHEIGHT = 16
-
-class FrameWindow(basewin.BaseWindow):
-
- def __init__(self, debugger, frame, dict, name):
- self.debugger = debugger
- self.frame = frame # Not used except for identity tests
- self.dict = dict
- self.name = name
- nl = max(MINHEIGHT, len(self.dict) + 5)
- nl = min(nl, MAXHEIGHT)
- width = WIDTH*stdwin.textwidth('0')
- height = nl*stdwin.lineheight()
- stdwin.setdefwinsize(width, height)
- basewin.BaseWindow.__init__(
- self, '--Frame ' + name + '--')
- # XXX Should use current function name
- self.initeditor()
- self.displaylist = ['>>>', '', '-'*WIDTH]
- self.refreshframe()
-
- def initeditor(self):
- r = (stdwin.textwidth('>>> '), 0), (30000, stdwin.lineheight())
- self.editor = self.win.textcreate(r)
-
- def closeeditor(self):
- self.editor.close()
-
- def dispatch(self, event):
- type, win, detail = event
- if type == WE_NULL: return # Dummy tested by mainloop
- if type in (WE_DRAW, WE_COMMAND) \
- or not self.editor.event(event):
- basewin.BaseWindow.dispatch(self, event)
-
- def close(self):
- del self.debugger.framewindows[self.name]
- del self.debugger, self.dict
- self.closeeditor()
- basewin.BaseWindow.close(self)
-
- def command(self, detail):
- if detail == WC_RETURN:
- self.re_eval()
- else:
- dummy = self.editor.event(WE_COMMAND, \
- self.win, detail)
-
- def mouse_down(self, detail):
- (h, v), clicks, button, mask = detail
- if clicks != 2:
- return
- i = v / stdwin.lineheight()
- if 5 <= i < len(self.displaylist):
- import string
- name = string.splitfields(self.displaylist[i],' = ')[0]
- if not self.dict.has_key(name):
- stdwin.fleep()
- return
- value = self.dict[name]
- if not hasattr(value, '__dict__'):
- stdwin.fleep()
- return
- name = 'instance ' + `value`
- if self.debugger.framewindows.has_key(name):
- self.debugger.framewindows[name].popup()
- else:
- self.debugger.framewindows[name] = \
- FrameWindow(self.debugger,
- self.frame, value.__dict__,
- name)
- return
- stdwin.fleep()
-
- def re_eval(self):
- import string, repr
- expr = string.strip(self.editor.gettext())
- if expr == '':
- output = ''
- else:
- globals = self.frame.f_globals
- globals['__privileged__'] = 1
- locals = self.dict
- try:
- value = eval(expr, globals, locals)
- output = repr.repr(value)
- except:
- if type(sys.exc_type) == type(''):
- exc_type_name = sys.exc_type
- else: exc_type_name = sys.exc_type.__name__
- output = exc_type_name + ': ' + `sys.exc_value`
- self.displaylist[1] = output
- lh = stdwin.lineheight()
- r = (-10, 0), (30000, 2*lh)
- self.win.change(r)
- self.editor.setfocus(0, len(expr))
-
- def draw(self, detail):
- (left, top), (right, bottom) = detail
- dummy = self.editor.draw(detail)
- d = self.win.begindrawing()
- try:
- lh = d.lineheight()
- h, v = 0, 0
- for line in self.displaylist:
- if v+lh > top and v < bottom:
- d.text((h, v), line)
- v = v + lh
- finally:
- d.close()
-
- def refreshframe(self):
- import repr
- del self.displaylist[3:]
- self.re_eval()
- names = self.dict.keys()
- for key, label in ('__args__', 'Args: '), \
- ('__return__', 'Return: '):
- if self.dict.has_key(key):
- names.remove(key)
- value = self.dict[key]
- label = label + repr.repr(value)
- self.displaylist.append(label)
- names.sort()
- for name in names:
- value = self.dict[name]
- line = name + ' = ' + repr.repr(value)
- self.displaylist.append(line)
- self.win.setdocsize(0, \
- stdwin.lineheight() * len(self.displaylist))
- self.refreshall() # XXX Be more subtle later
+++ /dev/null
-# wdbsrcwin.py -- source window for wdb
-
-import stdwin
-from stdwinevents import *
-import srcwin
-
-
-class DebuggerSourceWindow(srcwin.SourceWindow):
-
- def __init__(self, debugger, filename):
- self.debugger = debugger
- self.curlineno = 0
- self.focus = 0
- srcwin.SourceWindow.__init__(self, filename)
-
- def close(self):
- del self.debugger.sourcewindows[self.filename]
- del self.debugger
- srcwin.SourceWindow.close(self)
-
- def dispatch(self, event):
- type, win, detail = event
- if type == WE_CHAR:
- self.char(detail)
- elif type == WE_COMMAND:
- self.command(detail)
- elif type == WE_MOUSE_DOWN:
- self.mouse_down(detail)
- else:
- srcwin.SourceWindow.dispatch(self, event)
-
- def char(self, detail):
- self.debugger.char(detail)
-
- def command(self, detail):
- self.debugger.command(detail)
-
- def mouse_down(self, detail):
- (h, v), clicks, button, mask = detail
- if h >= self.leftmargin:
- srcwin.SourceWindow.dispatch(self, \
- (WE_MOUSE_DOWN, self.win, detail))
- return
- lineno = v/self.lineheight + 1
- if 1 <= lineno <= self.linecount:
- if self.debugger.get_break(self.filename, lineno):
- f = self.debugger.clear_break
- else:
- f = self.debugger.set_break
- err = f(self.filename, lineno)
- if err: stdwin.message(err)
- else: self.changemark(lineno)
- else:
- stdwin.fleep()
-
- def getmark(self, lineno):
- s = `lineno`
- if lineno == self.focus:
- s = '[' + s + ']'
- else:
- s = ' ' + s + ' '
- if lineno == self.curlineno:
- s = s + '->'
- else:
- s = s + ' '
- br = self.debugger.breaks
- if br.has_key(self.filename) and lineno in br[self.filename]:
- s = s + 'B'
- else:
- s = s + ' '
- return s
-
- def getmargin(self):
- return stdwin.textwidth('[' + `self.linecount+1` + ']->B ')
-
- def setlineno(self, newlineno):
- if newlineno != self.curlineno:
- oldlineno = self.curlineno
- self.curlineno = newlineno
- self.changemark(oldlineno)
- self.changemark(newlineno)
- if newlineno != 0:
- self.showline(newlineno)
-
- def resetlineno(self):
- self.setlineno(0)
-
- def setfocus(self, newfocus):
- if newfocus != self.focus:
- oldfocus = self.focus
- self.focus = newfocus
- self.changemark(oldfocus)
- self.changemark(newfocus)
- if newfocus != 0:
- self.showline(newfocus)
-
- def resetfocus(self):
- self.setfocus(0)
-
-# XXX Should get rid of focus stuff again
projects / thirdparty / Python / cpython.git / commitdiff
