93 lines
2.4 KiB
Python
93 lines
2.4 KiB
Python
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# A 'WindowParent' is the only module that uses real stdwin functionality.
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# It is the root of the tree.
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# It should have exactly one child when realized.
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import stdwin
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from stdwinevents import *
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from TransParent import ManageOneChild
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Error = 'WindowParent.Error' # Exception
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class WindowParent() = ManageOneChild():
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#
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def create(self, (title, size)):
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self.title = title
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self.size = size # (width, height)
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self.child = 0 # i.e., no child yet
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self.win = 0 # i.e., no window yet
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self.itimer = 0
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self.do_mouse = 0
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self.do_timer = 0
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return self
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#
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def need_mouse(self, child): self.do_mouse = 1
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def no_mouse(self, child): self.do_mouse = 0
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#
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def need_timer(self, child): self.do_timer = 1
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def no_timer(self, child): self.do_timer = 0
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#
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def realize(self):
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if self.win:
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raise Error, 'realize(): called twice'
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if not self.child:
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raise Error, 'realize(): no child'
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size = self.child.minsize(self.beginmeasuring())
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self.size = max(self.size[0], size[0]), \
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max(self.size[1], size[1])
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stdwin.setdefwinsize(self.size)
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self.win = stdwin.open(self.title)
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if self.itimer:
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self.win.settimer(self.itimer)
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bounds = (0, 0), self.win.getwinsize()
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self.child.setbounds(bounds)
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#
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def beginmeasuring(self):
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# Return something with which a child can measure text
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if self.win:
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return self.win.begindrawing()
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else:
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return stdwin
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#
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def begindrawing(self):
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if self.win:
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return self.win.begindrawing()
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else:
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raise Error, 'begindrawing(): not realized yet'
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#
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def change(self, area):
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if self.win:
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self.win.change(area)
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#
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def scroll(self, args):
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if self.win:
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self.win.scroll(args)
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#
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def settimer(self, itimer):
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if self.win:
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self.win.settimer(itimer)
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else:
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self.itimer = itimer
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#
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# Only call dispatch if we have a child
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#
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def dispatch(self, (type, win, detail)):
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if win <> self.win:
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return
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elif type = WE_DRAW:
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d = self.win.begindrawing()
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self.child.draw(d, detail)
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elif type = WE_MOUSE_DOWN:
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if self.do_mouse: self.child.mouse_down(detail)
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elif type = WE_MOUSE_MOVE:
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if self.do_mouse: self.child.mouse_move(detail)
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elif type = WE_MOUSE_UP:
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if self.do_mouse: self.child.mouse_up(detail)
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elif type = WE_TIMER:
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if self.do_timer: self.child.timer()
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elif type = WE_SIZE:
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self.win.change((0, 0), (10000, 10000)) # XXX
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bounds = (0, 0), self.win.getwinsize()
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self.child.setbounds(bounds)
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#
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