Attachment 'DUAL_CONTROL_CLASS_4.PY'
Download#!/usr/bin/python
# DUAL_CONTROL_CLASS_4.PY
"""
Demonstrate dual sizers.
"""
import wx
import AddLinearSpacer as als
#------------------------------------------------------------------------------
class TxtCtrlPanel( wx.Panel ) :
""" A 2-control class with a sizer """
def __init__( self, parent, caption_txt ) :
wx.Panel.__init__( self, parent=parent, id=-1 )
#-----
self.ctrlsPanelCaption_1_stTxt = wx.StaticText( self, -1, caption_txt )
self.ctrlsPanelCaption_1_stTxt.BackgroundColour = ( 'wHIte' )
self.ctrlsPanel_1_txtCtrl = wx.TextCtrl( self, -1, style=wx.TE_MULTILINE, size=(200, 150) )
#-----
# Use a single page level sizer to position all controls
# and controls classes' instantiations.
self.panel_vertSizer = wx.BoxSizer( wx.VERTICAL )
self.panel_vertSizer.Add( self.ctrlsPanelCaption_1_stTxt, proportion=0, flag=wx.CENTER )
als.AddLinearSpacer( self.panel_vertSizer, 2 )
self.panel_vertSizer.Add( self.ctrlsPanel_1_txtCtrl, proportion=0, flag=wx.ALIGN_CENTRE )
#-----
self.SetSizer( self.panel_vertSizer ) # Invoke the sizer.
self.Fit() # Make "self" (the panel) shrink to the minimum size required by the controls.
#end __init__
#------------------------
def GetControls( self ) :
return self.ctrlsPanelCaption_1_stTxt, self.ctrlsPanel_1_txtCtrl
def LayoutAgain( self ) :
self.panel_vertSizer.Layout()
#end TxtCtrlPanel class
#------------------------------------------------------------------------------
class MainFrame( wx.Frame ) :
""" A 2-control class with a BoxSizer demo """
#----- Configure the Frame.
def __init__( self, parent ) :
wx.Frame.__init__ ( self, parent, -1, title='DUAL_CONTROL_CLASS_4.PY',
size=(600, 400), style=wx.DEFAULT_FRAME_STYLE )
self.Position = (100, 0)
# Replace the default Frame title bar icon.
ico = wx.Icon( 'SMILEY.16X16.PNG', wx.BITMAP_TYPE_ANY )
self.SetIcon( ico )
# A panel is needed for tab-traversal and platform background color capabilities.
# The first control instantiated in a Frame automatically expands
# to the Frame's client size. This is unique to Frames.
frm_pnl = wx.Panel( self )
frm_pnl.BackgroundColour = (250, 250, 150) # yellow
#----- Create the controls
# Create all the page's controls either individually or using classes.
ctrlsPanel_1 = TxtCtrlPanel( frm_pnl, 'My TextCtrl Caption #1' )
stTxt_1, txtCtl_1 = ctrlsPanel_1.GetControls() # Retrieve the control objects.
ctrlsPanel_2 = TxtCtrlPanel( frm_pnl, 'My TextCtrl Caption #2' )
stTxt_2, txtCtl_2 = ctrlsPanel_2.GetControls()
# Change the original caption after being created.
stTxt_2.Label = 'Caption Redefined After Panel Class Instantiation'
ctrlsPanel_2.LayoutAgain()
lightbulb_image = wx.Image( 'LIGHTBULB.64x64.PNG', wx.BITMAP_TYPE_ANY)
lightbulb_bmap = lightbulb_image.ConvertToBitmap()
lightBulbBmap_list = []
for idx in xrange( 8 ) :
lightBulbBmap_list.append( wx.StaticBitmap( frm_pnl, -1, lightbulb_bmap ) )
#----- Create the sizers and add the controls to it.
panelCtrls_horzSizer = wx.BoxSizer( wx.HORIZONTAL )
als.AddLinearSpacer( panelCtrls_horzSizer, 35 )
panelCtrls_horzSizer.Add( ctrlsPanel_1 )
als.AddLinearSpacer( panelCtrls_horzSizer, 15 )
panelCtrls_horzSizer.Add( ctrlsPanel_2 )
als.AddLinearSpacer( panelCtrls_horzSizer, 35 )
frmPnl_vertSizer = wx.BoxSizer( wx.VERTICAL )
frmPnl_vertSizer.AddStretchSpacer( prop=1 )
frmPnl_vertSizer.Add( panelCtrls_horzSizer, flag=wx.CENTRE ) # synonym
als.AddLinearSpacer( frmPnl_vertSizer, 15 )
lightbulb_image = wx.Image( 'LIGHTBULB.64x64.PNG', wx.BITMAP_TYPE_ANY)
lightbulb_bmap = lightbulb_image.ConvertToBitmap()
lightbulb_horzSizer = wx.BoxSizer( wx.HORIZONTAL )
for aLightbulb_stBmap in lightBulbBmap_list :
lightbulb_horzSizer.Add( aLightbulb_stBmap, flag=wx.CENTER )
frmPnl_vertSizer.Add( lightbulb_horzSizer, flag=wx.ALIGN_CENTRE ) # synonym
frmPnl_vertSizer.AddStretchSpacer( prop=1 )
#----- Invoke the sizer via its container.
# "There can be only one.", Duncan MacLeod from the clan MacLeod.
# That is, a container can have exactly 1 or none top level sizer.
# Sizer nesting can effectively be infinitely done.
frm_pnl.SetSizer( frmPnl_vertSizer )
frm_pnl.Layout()
#end __init__
#end MainFrame class
#==============================================================================
if __name__ == '__main__' :
app = wx.PySimpleApp( redirect=False )
appFrame = MainFrame( None ).Show()
app.MainLoop()
#end if
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