Initial revision
diff --git a/Lib/lib-stdwin/Abstract.py b/Lib/lib-stdwin/Abstract.py
new file mode 100644
index 0000000..d601527
--- /dev/null
+++ b/Lib/lib-stdwin/Abstract.py
@@ -0,0 +1,53 @@
+# 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.
+
+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 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 minsize(self, m): 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
diff --git a/Lib/lib-stdwin/HVSplit.py b/Lib/lib-stdwin/HVSplit.py
new file mode 100644
index 0000000..2ee18f2
--- /dev/null
+++ b/Lib/lib-stdwin/HVSplit.py
@@ -0,0 +1,52 @@
+# HVSplit contains generic code for HSplit and VSplit.
+# HSplit and VSplit are specializations to either dimension.
+
+from Split import Split
+
+class HVSplit() = Split():
+ #
+ def create(self, (parent, hv)):
+ # hv is 0 or 1 for HSplit or VSplit
+ self = Split.create(self, parent)
+ self.hv = hv
+ return self
+ #
+ def minsize(self, m):
+ hv, vh = self.hv, 1 - self.hv
+ size = [0, 0]
+ for c in self.children:
+ csize = c.minsize(m)
+ 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
+ size = self.minsize(mf())
+ # XXX not yet used! Later for stretching
+ maxsize_hv = bounds[1][hv] - bounds[0][hv]
+ origin = [self.bounds[0][0], self.bounds[0][1]]
+ for c in self.children:
+ size = c.minsize(mf())
+ corner = [0, 0]
+ corner[vh] = bounds[1][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))
diff --git a/Lib/lib-stdwin/Split.py b/Lib/lib-stdwin/Split.py
new file mode 100644
index 0000000..c442fe3
--- /dev/null
+++ b/Lib/lib-stdwin/Split.py
@@ -0,0 +1,113 @@
+# Generic Split implementation.
+# Use as a base class for other splits.
+
+Error = 'Split.Error' # Exception
+
+import rect
+from util import remove
+
+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.timer_interest = []
+ self.mouse_focus = 0
+ return self
+ #
+ # Downcalls from parent to child
+ #
+ def destroy(self):
+ self.parent = 0
+ for child in self.children:
+ child.destroy()
+ self.children[:] = []
+ self.mouse_interest[:] = []
+ self.timer_interest[:] = []
+ self.mouse_focus = 0
+ #
+ def minsize(self, m): return unimpl()
+ def getbounds(self): return unimpl()
+ def setbounds(self, bounds): unimpl()
+ def draw(self, args):
+ # (Could avoid calls to children outside the area)
+ for child in self.children:
+ child.draw(args)
+ #
+ # Downcalls only made after certain upcalls
+ #
+ def mouse_down(self, detail):
+ if self.mouse_focus:
+ self.mouse_focus.mouse_down(detail)
+ p = detail[0]
+ for child in self.mouse_interest:
+ if rect.pointinrect(p, child.getbounds()):
+ self.mouse_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 = 0
+ #
+ 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'
+ remove(child, self.children)
+ if child in self.mouse_interest:
+ remove(child, self.mouse_interest)
+ if child in self.timer_interest:
+ remove(child, self.timer_interest)
+ if child = self.mouse_focus:
+ self.mouse_focus = 0
+ #
+ 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 in self.mouse_interest:
+ remove(child, self.mouse_interest)
+ if not self.mouse_interest:
+ self.parent.no_mouse(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:
+ remove(child, self.timer_interest)
+ if not self.timer_interest:
+ self.parent.no_timer(self)
+ #
+ # The rest are transparent:
+ #
+ def begindrawing(self):
+ return self.parent.begindrawing()
+ def beginmeasuring(self):
+ return self.parent.beginmeasuring()
+ #
+ def change(self, area):
+ self.parent.change(area)
+ def scroll(self, args):
+ self.parent.scroll(args)
+ def settimer(self, itimer):
+ self.parent.settimer(itimer)
diff --git a/Lib/lib-stdwin/TransParent.py b/Lib/lib-stdwin/TransParent.py
new file mode 100644
index 0000000..8cee283
--- /dev/null
+++ b/Lib/lib-stdwin/TransParent.py
@@ -0,0 +1,96 @@
+# 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 = 0 # No child yet
+ #
+ # Downcalls from parent to child
+ #
+ def destroy(self):
+ del self.parent
+ if self.child: self.child.destroy()
+ del self.child
+ #
+ def minsize(self, m):
+ if not self.child:
+ return 0, 0
+ else:
+ return self.child.minsize(m)
+ 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 draw(self, args):
+ if self.child:
+ self.child.draw(args)
+ #
+ # 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 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 begindrawing(self):
+ return self.parent.begindrawing()
+ def beginmeasuring(self):
+ return self.parent.beginmeasuring()
+ #
+ def change(self, area):
+ self.parent.change(area)
+ def scroll(self, args):
+ self.parent.scroll(args)
+ def settimer(self, itimer):
+ self.parent.settimer(itimer)
diff --git a/Lib/lib-stdwin/WindowParent.py b/Lib/lib-stdwin/WindowParent.py
new file mode 100644
index 0000000..39838f7
--- /dev/null
+++ b/Lib/lib-stdwin/WindowParent.py
@@ -0,0 +1,92 @@
+# 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.
+
+import stdwin
+from stdwinevents import *
+
+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.child = 0 # i.e., no child yet
+ self.win = 0 # i.e., no window yet
+ self.itimer = 0
+ self.do_mouse = 0
+ self.do_timer = 0
+ return self
+ #
+ def need_mouse(self, child): self.do_mouse = 1
+ def no_mouse(self, child): self.do_mouse = 0
+ #
+ def need_timer(self, child): self.do_timer = 1
+ def no_timer(self, child): self.do_timer = 0
+ #
+ def realize(self):
+ if self.win:
+ raise Error, 'realize(): called twice'
+ if not self.child:
+ raise Error, 'realize(): no child'
+ size = self.child.minsize(self.beginmeasuring())
+ self.size = max(self.size[0], size[0]), \
+ max(self.size[1], size[1])
+ stdwin.setdefwinsize(self.size)
+ self.win = stdwin.open(self.title)
+ if self.itimer:
+ self.win.settimer(self.itimer)
+ bounds = (0, 0), self.win.getwinsize()
+ self.child.setbounds(bounds)
+ #
+ 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 change(self, area):
+ if self.win:
+ self.win.change(area)
+ #
+ def scroll(self, args):
+ if self.win:
+ self.win.scroll(args)
+ #
+ def settimer(self, itimer):
+ if self.win:
+ self.win.settimer(itimer)
+ else:
+ self.itimer = itimer
+ #
+ # Only call dispatch if we have a child
+ #
+ def dispatch(self, (type, win, detail)):
+ if win <> self.win:
+ return
+ elif type = WE_DRAW:
+ d = self.win.begindrawing()
+ self.child.draw(d, 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 = WE_TIMER:
+ if self.do_timer: self.child.timer()
+ elif type = WE_SIZE:
+ self.win.change((0, 0), (10000, 10000)) # XXX
+ bounds = (0, 0), self.win.getwinsize()
+ self.child.setbounds(bounds)
+ #
diff --git a/Lib/stdwin/Abstract.py b/Lib/stdwin/Abstract.py
new file mode 100755
index 0000000..d601527
--- /dev/null
+++ b/Lib/stdwin/Abstract.py
@@ -0,0 +1,53 @@
+# 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.
+
+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 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 minsize(self, m): 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
diff --git a/Lib/stdwin/HVSplit.py b/Lib/stdwin/HVSplit.py
new file mode 100755
index 0000000..2ee18f2
--- /dev/null
+++ b/Lib/stdwin/HVSplit.py
@@ -0,0 +1,52 @@
+# HVSplit contains generic code for HSplit and VSplit.
+# HSplit and VSplit are specializations to either dimension.
+
+from Split import Split
+
+class HVSplit() = Split():
+ #
+ def create(self, (parent, hv)):
+ # hv is 0 or 1 for HSplit or VSplit
+ self = Split.create(self, parent)
+ self.hv = hv
+ return self
+ #
+ def minsize(self, m):
+ hv, vh = self.hv, 1 - self.hv
+ size = [0, 0]
+ for c in self.children:
+ csize = c.minsize(m)
+ 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
+ size = self.minsize(mf())
+ # XXX not yet used! Later for stretching
+ maxsize_hv = bounds[1][hv] - bounds[0][hv]
+ origin = [self.bounds[0][0], self.bounds[0][1]]
+ for c in self.children:
+ size = c.minsize(mf())
+ corner = [0, 0]
+ corner[vh] = bounds[1][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))
diff --git a/Lib/stdwin/Split.py b/Lib/stdwin/Split.py
new file mode 100755
index 0000000..c442fe3
--- /dev/null
+++ b/Lib/stdwin/Split.py
@@ -0,0 +1,113 @@
+# Generic Split implementation.
+# Use as a base class for other splits.
+
+Error = 'Split.Error' # Exception
+
+import rect
+from util import remove
+
+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.timer_interest = []
+ self.mouse_focus = 0
+ return self
+ #
+ # Downcalls from parent to child
+ #
+ def destroy(self):
+ self.parent = 0
+ for child in self.children:
+ child.destroy()
+ self.children[:] = []
+ self.mouse_interest[:] = []
+ self.timer_interest[:] = []
+ self.mouse_focus = 0
+ #
+ def minsize(self, m): return unimpl()
+ def getbounds(self): return unimpl()
+ def setbounds(self, bounds): unimpl()
+ def draw(self, args):
+ # (Could avoid calls to children outside the area)
+ for child in self.children:
+ child.draw(args)
+ #
+ # Downcalls only made after certain upcalls
+ #
+ def mouse_down(self, detail):
+ if self.mouse_focus:
+ self.mouse_focus.mouse_down(detail)
+ p = detail[0]
+ for child in self.mouse_interest:
+ if rect.pointinrect(p, child.getbounds()):
+ self.mouse_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 = 0
+ #
+ 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'
+ remove(child, self.children)
+ if child in self.mouse_interest:
+ remove(child, self.mouse_interest)
+ if child in self.timer_interest:
+ remove(child, self.timer_interest)
+ if child = self.mouse_focus:
+ self.mouse_focus = 0
+ #
+ 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 in self.mouse_interest:
+ remove(child, self.mouse_interest)
+ if not self.mouse_interest:
+ self.parent.no_mouse(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:
+ remove(child, self.timer_interest)
+ if not self.timer_interest:
+ self.parent.no_timer(self)
+ #
+ # The rest are transparent:
+ #
+ def begindrawing(self):
+ return self.parent.begindrawing()
+ def beginmeasuring(self):
+ return self.parent.beginmeasuring()
+ #
+ def change(self, area):
+ self.parent.change(area)
+ def scroll(self, args):
+ self.parent.scroll(args)
+ def settimer(self, itimer):
+ self.parent.settimer(itimer)
diff --git a/Lib/stdwin/TransParent.py b/Lib/stdwin/TransParent.py
new file mode 100755
index 0000000..8cee283
--- /dev/null
+++ b/Lib/stdwin/TransParent.py
@@ -0,0 +1,96 @@
+# 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 = 0 # No child yet
+ #
+ # Downcalls from parent to child
+ #
+ def destroy(self):
+ del self.parent
+ if self.child: self.child.destroy()
+ del self.child
+ #
+ def minsize(self, m):
+ if not self.child:
+ return 0, 0
+ else:
+ return self.child.minsize(m)
+ 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 draw(self, args):
+ if self.child:
+ self.child.draw(args)
+ #
+ # 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 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 begindrawing(self):
+ return self.parent.begindrawing()
+ def beginmeasuring(self):
+ return self.parent.beginmeasuring()
+ #
+ def change(self, area):
+ self.parent.change(area)
+ def scroll(self, args):
+ self.parent.scroll(args)
+ def settimer(self, itimer):
+ self.parent.settimer(itimer)
diff --git a/Lib/stdwin/WindowParent.py b/Lib/stdwin/WindowParent.py
new file mode 100755
index 0000000..39838f7
--- /dev/null
+++ b/Lib/stdwin/WindowParent.py
@@ -0,0 +1,92 @@
+# 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.
+
+import stdwin
+from stdwinevents import *
+
+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.child = 0 # i.e., no child yet
+ self.win = 0 # i.e., no window yet
+ self.itimer = 0
+ self.do_mouse = 0
+ self.do_timer = 0
+ return self
+ #
+ def need_mouse(self, child): self.do_mouse = 1
+ def no_mouse(self, child): self.do_mouse = 0
+ #
+ def need_timer(self, child): self.do_timer = 1
+ def no_timer(self, child): self.do_timer = 0
+ #
+ def realize(self):
+ if self.win:
+ raise Error, 'realize(): called twice'
+ if not self.child:
+ raise Error, 'realize(): no child'
+ size = self.child.minsize(self.beginmeasuring())
+ self.size = max(self.size[0], size[0]), \
+ max(self.size[1], size[1])
+ stdwin.setdefwinsize(self.size)
+ self.win = stdwin.open(self.title)
+ if self.itimer:
+ self.win.settimer(self.itimer)
+ bounds = (0, 0), self.win.getwinsize()
+ self.child.setbounds(bounds)
+ #
+ 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 change(self, area):
+ if self.win:
+ self.win.change(area)
+ #
+ def scroll(self, args):
+ if self.win:
+ self.win.scroll(args)
+ #
+ def settimer(self, itimer):
+ if self.win:
+ self.win.settimer(itimer)
+ else:
+ self.itimer = itimer
+ #
+ # Only call dispatch if we have a child
+ #
+ def dispatch(self, (type, win, detail)):
+ if win <> self.win:
+ return
+ elif type = WE_DRAW:
+ d = self.win.begindrawing()
+ self.child.draw(d, 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 = WE_TIMER:
+ if self.do_timer: self.child.timer()
+ elif type = WE_SIZE:
+ self.win.change((0, 0), (10000, 10000)) # XXX
+ bounds = (0, 0), self.win.getwinsize()
+ self.child.setbounds(bounds)
+ #