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89a78697b8
* Many modules: fixes for new, stricter, argument passing rules (most changes were automatic ones -- not all of this is tested!). * gwin.py: now uses mainloop.py for its main loop and window admin. * mainloop.py: always call dispatch() with event as a tuple! * Fix bug in pdb's 'clear' command -- don't set the bpt but clear it!
64 lines
1.9 KiB
Python
64 lines
1.9 KiB
Python
# Abstract classes for parents and children.
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#
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# Do not use as base class -- this is for documentation only.
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#
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# Note that the tree must be built top down (create the parent,
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# then add the children).
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#
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# Also note that the creation methods are not standardized --
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# these have extra parameters dependent on the widget type.
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# For historical reasons, button creation methods are called
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# define() while split creation methods are called create().
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class AbstractParent:
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#
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# Upcalls from child to parent
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#
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def addchild(self, child): unimpl()
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def delchild(self, child): unimpl()
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#
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def need_mouse(self, child): unimpl()
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def no_mouse(self, child): unimpl()
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#
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def need_timer(self, child): unimpl()
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def no_timer(self, child): unimpl()
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#
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# XXX need_kbd, no_kbd; focus???
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#
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def begindrawing(self): return unimpl()
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def beginmeasuring(self): return unimpl()
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def getwindow(self): return unimpl() # Only for very special cases
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#
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def change(self, area): unimpl()
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def scroll(self, area, (dh, dv)): unimpl()
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def settimer(self, itimer): unimpl()
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class AbstractChild:
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#
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# Downcalls from parent to child
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#
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def destroy(self): unimpl()
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#
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def realize(self): return unimpl()
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def getminsize(self, m, (width, height)): return unimpl()
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def getbounds(self): return unimpl()
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def setbounds(self, bounds): unimpl()
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def draw(self, d, area): unimpl()
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#
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# Downcalls only made after certain upcalls
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#
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def mouse_down(self, detail): unimpl()
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def mouse_move(self, detail): unimpl()
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def mouse_up(self, detail): unimpl()
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#
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def timer(self): unimpl()
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# A "Split" is a child that manages one or more children.
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# (This terminology is due to DEC SRC, except for CSplits.)
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# A child of a split may be another split, a button, a slider, etc.
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# Certain upcalls and downcalls can be handled transparently, but
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# for others (e.g., all geometry related calls) this is not possible.
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class AbstractSplit(AbstractChild, AbstractParent):
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pass
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