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#! /usr/local/bin/python
from wpy import *
# A Python function that generates dialog boxes with a text message
# and any number of buttons. See Ousterhout, Tcl and the Tk Toolkit,
# Figs. 27.2-3, pp. 269-270.
class My_dialog(CDialog):
def __init__(self, title, text, bitmap, default, *args):
CDialog.__init__(self, None, title)
self.buttons = []
n = 0
for butn in args:
n = n + 1
b = CPushButton(self, butn)
b.wpyHandler = "OnButtonDialog"
b.index = n
self.buttons.append(b)
if default >= 0:
self.wpyDefaultButton = self.buttons[default]
self.WpyMakeEqualSize(self.buttons)
butnX = self.buttons[0].wpySizeX
butnY = self.buttons[0].wpySizeY
x1, y = self.GetTextExtent(text)
x2 = butnX * n * 1.3
aspect = max(3.2, float(x2 * x2) / ((x1 + x2) * y))
self.msg = CMessage(self, text, aspect)
self.wpySizeX = max(self.msg.wpySizeX * 1.2, x2)
self.wpySizeY = self.msg.wpySizeY + butnY * 4
def OnInitDialog(self):
rect = self.GetClientRect()
butnX = self.buttons[0].wpySizeX
butnY = self.buttons[0].wpySizeY
self.msg.WpyPlace(rect, 0.5, 0.1, "n")
y = float(rect.wpySizeY + self.msg.wpySizeY + self.msg.wpyLocY) / 2 / rect.wpySizeY
rect.WpyMakeEqualSpaceX(0, 1, y, "center", self.buttons)
self.msg.Create()
for b in self.buttons:
b.Create()
def OnButtonDialog(self, control):
self.EndDialog(control.index)
class MyView(CScrollView):
def OnCreate(self, event):
self.start = CPushButton(self, "Press Here To Start")
self.start.wpyHandler = "OnButtonStart"
self.endit = CPushButton(self, "Exit")
self.WpyMakeEqualSize(self.start, self.endit)
self.start.Create()
self.endit.Create()
def OnSize(self, rect):
self.start.WpyPlace(rect, 0.5, 0.3333, "center")
self.endit.WpyPlace(rect, 0.5, 0.6667, "center")
def OnButtonStart(self, control):
win = My_dialog('Not Responding',
"The file server isn't responding right now; "
"I'll keep trying.",
'',
0,
'OK')
i = win.DoModal()
print "User pressed button", i
win = My_dialog('File Modified',
'File "tcl.h" has been modified since '
'the last time it was saved. '
'Do you want to save it before exiting the application?',
'warning',
2,
'Save File',
'Discard Changes',
'Return To Editor')
i = win.DoModal()
print "User pressed button", i
class MyApp(CWinApp):
def InitInstance(self):
templ = CSingleDocTemplate(CDocument, CFrameWnd, MyView)
templ.wpyText = "Dialog demo from Mr. Ousterhout's Book p269"
self.AddDocTemplate(templ)
self.FileNew()
def OnButtonExit(self, control):
self.Exit()
if __name__ == '__main__':
MyApp()
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