mirror of https://github.com/python/cpython
140 lines
3.1 KiB
Python
140 lines
3.1 KiB
Python
# Define window operations for STDWIN
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import gl
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from stdwinevents import *
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from glstdwin import G # Global variables
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from glstdwin import MASK # Tunable constant
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class WindowObject:
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#
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def _init(self, title):
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self._docsize = (0, 0)
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self._fg = G.fg
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self._bg = G.bg
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self._title = title
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self._font = G.font
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self._size = G.size
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self._menus = []
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self._gid = gl.winopen(title)
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gl.winconstraints() # To remove prefsize() effect
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self._fixviewport()
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self._needredraw()
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return self
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#
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def close(self):
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del G.windowmap[`self._gid`]
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gl.winclose(self._gid)
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self._gid = 0
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#
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def _needredraw(self):
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if self in G.drawqueue:
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G.drawqueue.remove(self)
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G.drawqueue.append(self)
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#
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def begindrawing(self):
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from glstdwdraw import DrawingObject
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return DrawingObject()._init(self)
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#
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def change(self, area):
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self._needredraw()
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# XXX Should record the area to be drawn?
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#
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def gettitle(self):
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return self._title
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#
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def getdocsize(self):
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return self._docsize
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#
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def getorigin(self):
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return self._area[0]
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#
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def getwinsize(self):
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return self._area[1]
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#
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def scroll(self, area, by):
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# XXX ought to use gl.rectcopy()
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if by <> (0, 0):
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self.change(area)
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#
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def setdocsize(self, docsize):
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self._docsize = docsize
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#
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def setorigin(self, origin):
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pass # XXX
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#
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def settimer(self, decisecs):
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pass # XXX
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#
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def settitle(self, title):
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self._title = title
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gl.wintitle(title)
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#
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def show(self, area):
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pass # XXX
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#
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def _fixviewport(self):
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#
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# Called after redraw or resize, and initially.
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#
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# Fix the coordinate system so that (0, 0) is top left,
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# units are pixels, and positive axes point right and down.
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#
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# Make the viewport slightly larger than the window,
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# and set the screenmask exactly to the window; this
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# help fixing character clipping.
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#
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# Set self._area to the window rectangle in STDWIN coords.
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#
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gl.winset(self._gid)
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gl.reshapeviewport()
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x0, x1, y0, y1 = gl.getviewport()
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width, height = x1-x0, y1-y0
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gl.viewport(x0-MASK, x1+MASK, y0-MASK, y1+MASK)
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gl.scrmask(x0, x1, y0, y1)
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gl.ortho2(-MASK, width+MASK, height+MASK, -MASK)
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self._area = (0, 0), (width, height)
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#
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def menucreate(self, title):
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from glstdwmenu import MenuObject
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menu = MenuObject()._init(self, title)
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self._menus.append(menu)
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return menu
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#
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def _domenu(self):
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if not self._menus:
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return None
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if len(self._menus) == 1:
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pup = self._menus[0]._makepup(0)
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val = gl.dopup(pup)
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gl.freepup(pup)
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if val < 0:
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return None
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return WE_MENU, self, (self._menus[0], val)
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#
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# More than one menu: use nested menus.
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#
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pups = []
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firstitem = 0
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for menu in self._menus:
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pups.append(menu._makepup(firstitem))
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firstitem = firstitem + 100
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pup = gl.newpup()
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for i in range(len(self._menus)):
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gl.addtopup(pup, self._menus[i]._title + '%m', pups[i])
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val = gl.dopup(pup)
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gl.freepup(pup)
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for pup in pups:
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gl.freepup(pup)
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if val < 0:
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return None
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i_menu, i_item = divmod(val, 100)
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return WE_MENU, self, (self._menus[i_menu], i_item)
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#
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def _doshortcut(self, char):
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for menu in self._menus:
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i = menu._checkshortcut(char)
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if i >= 0:
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return WE_MENU, self, (menu, i)
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return None
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#
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