Added window list management functionality.

Automatically call self.destroy() if WE_CLOSE event dispatched.
Added keyboard, alternate drawing and getwindow interface.
Call child's realize method.

Lib/lib-stdwin/WindowParent.py

 # 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 some support for a standard main loop here.
 
 import stdwin
 from stdwinevents import *
@@ -9,6 +11,8 @@ from TransParent import ManageOneChild
 
 Error = 'WindowParent.Error'	# Exception
 
+WindowList = []			# List containing all windows
+
 class WindowParent() = ManageOneChild():
 	#
 	def create(self, (title, size)):
@@ -22,18 +26,29 @@ class WindowParent() = ManageOneChild():
 		self.win = 0
 		self.itimer = 0
 		self.do_mouse = 0
+		self.do_keybd = 0
 		self.do_timer = 0
+		self.do_altdraw = 0
 	#
 	def destroy(self):
+		if self.win in WindowList:
+			import util
+			util.remove(self.win, WindowList)
 		if self.child: self.child.destroy()
 		self._reset()
 	#
 	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
+	def no_keybd(self, child): self.do_keybd = 0
+	#
 	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'
@@ -42,14 +57,24 @@ class WindowParent() = ManageOneChild():
 		size = self.child.minsize(self.beginmeasuring())
 		self.size = max(self.size[0], size[0]), \
 					max(self.size[1], size[1])
-		#stdwin.setdefwinsize(self.size)
+		# XXX stdwin.setdefwinsize(self.size)
 		# XXX Compensate stdwin bug:
-		stdwin.setdefwinsize(self.size[0]+4, self.size[1]+2)
+		stdwin.setdefwinsize(self.size[0]+4, min(300, self.size[1]+2))
 		self.win = stdwin.open(self.title)
+		self.win.setdocsize(self.size)
 		if self.itimer:
 			self.win.settimer(self.itimer)
 		bounds = (0, 0), self.win.getwinsize()
 		self.child.setbounds(bounds)
+		self.child.realize()
+		self.win.dispatch = self.dispatch
+		WindowList.append(self.win)
+	#
+	def fixup(self):
+		self.size = self.child.minsize(self.beginmeasuring())
+		self.win.setdocsize(self.size)
+		bounds = (0, 0), self.win.getwinsize()
+		self.child.setbounds(bounds)
 	#
 	def beginmeasuring(self):
 		# Return something with which a child can measure text
@@ -64,6 +89,12 @@ class WindowParent() = ManageOneChild():
 		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)
@@ -86,16 +117,42 @@ class WindowParent() = ManageOneChild():
 		elif 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.win.change((0, 0), (10000, 10000)) # XXX
-			bounds = (0, 0), self.win.getwinsize()
-			self.child.setbounds(bounds)
+			self.fixup()
+		elif type = WE_CLOSE:
+			self.destroy()
 	#
+
+def MainLoop():
+	while WindowList:
+		Dispatch(stdwin.getevent())
+
+def Dispatch(event):
+	window = event[1]
+	if window in WindowList:
+		window.dispatch(event)
+	else:
+		stdwin.fleep()
+
+# Interface used by WindowSched:
+
+def CountWindows():
+	return len(WindowList)
+
+def AnyWindow():
+	if not WindowList:
+		return None
+	else:
+		return WindowList[0]

Lib/stdwin/WindowParent.py

 # 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 some support for a standard main loop here.
 
 import stdwin
 from stdwinevents import *
@@ -9,6 +11,8 @@ from TransParent import ManageOneChild
 
 Error = 'WindowParent.Error'	# Exception
 
+WindowList = []			# List containing all windows
+
 class WindowParent() = ManageOneChild():
 	#
 	def create(self, (title, size)):
@@ -22,18 +26,29 @@ class WindowParent() = ManageOneChild():
 		self.win = 0
 		self.itimer = 0
 		self.do_mouse = 0
+		self.do_keybd = 0
 		self.do_timer = 0
+		self.do_altdraw = 0
 	#
 	def destroy(self):
+		if self.win in WindowList:
+			import util
+			util.remove(self.win, WindowList)
 		if self.child: self.child.destroy()
 		self._reset()
 	#
 	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
+	def no_keybd(self, child): self.do_keybd = 0
+	#
 	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'
@@ -42,14 +57,24 @@ class WindowParent() = ManageOneChild():
 		size = self.child.minsize(self.beginmeasuring())
 		self.size = max(self.size[0], size[0]), \
 					max(self.size[1], size[1])
-		#stdwin.setdefwinsize(self.size)
+		# XXX stdwin.setdefwinsize(self.size)
 		# XXX Compensate stdwin bug:
-		stdwin.setdefwinsize(self.size[0]+4, self.size[1]+2)
+		stdwin.setdefwinsize(self.size[0]+4, min(300, self.size[1]+2))
 		self.win = stdwin.open(self.title)
+		self.win.setdocsize(self.size)
 		if self.itimer:
 			self.win.settimer(self.itimer)
 		bounds = (0, 0), self.win.getwinsize()
 		self.child.setbounds(bounds)
+		self.child.realize()
+		self.win.dispatch = self.dispatch
+		WindowList.append(self.win)
+	#
+	def fixup(self):
+		self.size = self.child.minsize(self.beginmeasuring())
+		self.win.setdocsize(self.size)
+		bounds = (0, 0), self.win.getwinsize()
+		self.child.setbounds(bounds)
 	#
 	def beginmeasuring(self):
 		# Return something with which a child can measure text
@@ -64,6 +89,12 @@ class WindowParent() = ManageOneChild():
 		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)
@@ -86,16 +117,42 @@ class WindowParent() = ManageOneChild():
 		elif 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.win.change((0, 0), (10000, 10000)) # XXX
-			bounds = (0, 0), self.win.getwinsize()
-			self.child.setbounds(bounds)
+			self.fixup()
+		elif type = WE_CLOSE:
+			self.destroy()
 	#
+
+def MainLoop():
+	while WindowList:
+		Dispatch(stdwin.getevent())
+
+def Dispatch(event):
+	window = event[1]
+	if window in WindowList:
+		window.dispatch(event)
+	else:
+		stdwin.fleep()
+
+# Interface used by WindowSched:
+
+def CountWindows():
+	return len(WindowList)
+
+def AnyWindow():
+	if not WindowList:
+		return None
+	else:
+		return WindowList[0]