splash screen in wxPython

Dev Shed Forums Sponsor:

Get inside! Sample the range of functionality easily built with JMSL Library for Time Series Data Analysis, Heat Maps, Portfolio Optimization, Monte Carlo Simulation, Stock Price Charting and more. Download Now!

March 30th, 2004, 05:39 PM

lentyaka

Registered User

Join Date: Mar 2004

Posts: 6

Time spent in forums: < 1 sec
Reputation Power: 0

splash screen in wxPython

Hello,

does someone know if it is possible to create 'end' splash screen in wxPython that is outside of mainloop()? By 'end' splash screen i mean a little picture that displays 'thank you' message after the user closed the app.
I have no problem displaying 'welcome' splash screen when mainloop() is called. But what to do when i need splash screen after mainloop()????

Thank you

March 31st, 2004, 12:30 AM

Grim Archon

Mini me.

Join Date: Nov 2003

Location: Cambridge, UK

Posts: 783

Folding Points: 1488 Folding Title: Novice Folder

Time spent in forums: 3 Days 2 h 15 m 57 sec
Reputation Power: 7

After the application mainloop() returns just create a new window and call it's mainloop() method:

Code:

if __name__ == '__main__':
    from wxPython.wx import *
    from wxPython.lib.anchors import LayoutAnchors
    
    class MyApp(wxApp):
        def OnInit(self):
            self.frame = wxFrame(NULL, -1, "Hello from wxPython")
            self.frame.Show(true)
            self.SetTopWindow(self.frame)
            return true
        
    class SplashApp(wxApp):
        def OnInit(self):
            self.frame = wxFrame(NULL, -1, "Splash with wxPython")
            self.frame.Show(true)
            self.SetTopWindow(self.frame)
            return true
    
    app = MyApp(0)
    app.MainLoop()
    app = SplashApp(0)
    app.MainLoop()

__________________
*** Experimental Python Markup CGI V2 ***

March 31st, 2004, 02:50 PM

lentyaka

Registered User

Join Date: Mar 2004

Posts: 6

Time spent in forums: < 1 sec
Reputation Power: 0

mmm,
it causes the program to hang, i have to 'stop execution', since it fails to respond. can you explain a bit more please.

thank you for ur help

March 31st, 2004, 04:28 PM

lentyaka

Registered User

Join Date: Mar 2004

Posts: 6

Time spent in forums: < 1 sec
Reputation Power: 0

i guess what i am asking is:
is it possible to display splash screen before the mainloop is entered?

Thanx.

April 1st, 2004, 01:54 AM

Grim Archon

Mini me.

Join Date: Nov 2003

Location: Cambridge, UK

Posts: 783

Time spent in forums: 3 Days 2 h 15 m 57 sec
Reputation Power: 7

Here is a modified version of my example that shows the second window closing automiatically after 5 seconds:

Code:

if __name__ == '__main__': 
    from wxPython.wx import *
    from wxPython.lib.anchors import LayoutAnchors
    
    class MyApp(wxApp): 
        def OnInit(self): 
            self.frame = wxFrame(NULL, -1, "Hello from wxPython")
            self.frame.Show(true)
            self.SetTopWindow(self.frame)
            return true
        
    class SplashApp(wxApp): 
        def OnInit(self): 
            self.frame = wxFrame(NULL, -1, "Splash with wxPython")
            self.frame.Show(true)
            self.SetTopWindow(self.frame)
            return true

        def end(self, evt): 
            self.frame.Destroy()
    
    app = MyApp(0)
    app.MainLoop()
    sApp = SplashApp(0)
    ID_Timer = wxNewId()
    timer = wxTimer(sApp, ID_Timer)
    EVT_TIMER(sApp, ID_Timer, sApp.end)
    timer.Start(5000)
    sApp.MainLoop()

An alternative is to handle the main app exit event, hide the main frame, pop up a dialog for a few seconds then carry on the normal exit. If I have time I'll post an example.

Grim

April 1st, 2004, 02:05 AM

Grim Archon

Mini me.

Join Date: Nov 2003

Location: Cambridge, UK

Posts: 783

Time spent in forums: 3 Days 2 h 15 m 57 sec
Reputation Power: 7

Here the timeout is contained in the splash:

Code:

    class SplashApp(wxApp): 
        def OnInit(self): 
            self.frame = wxFrame(NULL, -1, "Splash with wxPython")
            self.frame.Show(true)
            self.SetTopWindow(self.frame)
            self.ID_Timer = wxNewId()
            self.timer = wxTimer(self, self.ID_Timer)
            EVT_TIMER(self, self.ID_Timer, self.end)
            self.timer.Start(5000)
            return true

        def end(self, evt): 
            self.frame.Destroy()
    
    app = MyApp(0)
    app.MainLoop()
    sApp = SplashApp(0)
    sApp.MainLoop()

April 1st, 2004, 03:07 AM

Grim Archon

Mini me.

Join Date: Nov 2003

Location: Cambridge, UK

Posts: 783

Time spent in forums: 3 Days 2 h 15 m 57 sec
Reputation Power: 7

This splash dialog gets called when the main app is closed. The user can wait 5 seconds or he can click the OK button.

Code:

from wxPython.wx import *
from wxPython.lib.anchors import LayoutAnchors

#This dialog shows as normal but after 5 seconds it closes automatically
class SplashDialog(wxDialog): 
    def __init__(self, fparent, ID, title='Splash', 
                 line1='Line 1', 
                 line2='Line 2', 
                 pos=wxDefaultPosition, size=wxDefaultSize, 
                 style=wxDEFAULT_DIALOG_STYLE): 
        wxDialog.__init__(self, id = 1, name = '', parent = fparent, 
              pos = wxPoint(413, 268), size = wxSize(416, 262), 
              title = title)
        sizer = wxBoxSizer(wxVERTICAL)
        label = wxStaticText(self, -1, line1)
        sizer.Add(label, 0, wxALIGN_CENTRE|wxALL, 5)
        label = wxStaticText(self, -1, line2)
        sizer.Add(label, 0, wxALIGN_CENTRE|wxALL, 5)
        btn = wxButton(self, wxID_OK, " OK ")
        btn.SetDefault()
        sizer.Add(btn, 0, wxALIGN_CENTRE|wxALL, 5)
        self.SetSizer(sizer)
        self.SetAutoLayout(True)
        sizer.Fit(self)
        #build the timeout event
        self.ID_Timer = wxNewId()
        self.timer = wxTimer(self, self.ID_Timer)
        EVT_TIMER(self, self.ID_Timer, self.end)
        self.timer.Start(5000)

    def end(self, evt): 
        #This is the event handler assigned to our timer
        self.Destroy()

if __name__ == '__main__': 

    #an appllcation created just to show the splash dialog 
    class MyApp(wxApp): 
        def OnInit(self): 
            self.frame = wxFrame(NULL, -1, "Splash Demo")
            self.frame.Show(true)
            self.SetTopWindow(self.frame)
            
            #Handle the window closing event
            EVT_CLOSE(self.frame, self.appClose)
            return true
        
        def appClose(self, evt): 
            #Hide the main window then bring up the splash dialog
            self.frame.Show(false)
            dlg = SplashDialog(self.frame, -1, "Splash down!!", 
                               "Don't forget to mail me at\n me@mine.org!", 
                               "See more at www.python.org", 
                               size = wxSize(350, 200), 
                     style = wxDEFAULT_DIALOG_STYLE)
            dlg.ShowModal()
            #let wxWindows do its stuff and delete things
            evt.Skip()
    #create an instance of MyApp
    app = MyApp(0)
    #Now service the GUI events
    app.MainLoop()

Not the tidiest code but it works

Grim

Last edited by Grim Archon : April 1st, 2004 at 03:19 AM. Reason: Added a few comments

April 1st, 2004, 05:15 PM

lentyaka

Registered User

Join Date: Mar 2004

Posts: 6

Time spent in forums: < 1 sec
Reputation Power: 0

thank you
u r the best

April 2nd, 2004, 05:34 AM

Grim Archon

Mini me.

Join Date: Nov 2003

Location: Cambridge, UK

Posts: 783

Time spent in forums: 3 Days 2 h 15 m 57 sec
Reputation Power: 7

Quote:

Originally Posted by lentyaka

thank you
u r the best

Just a bit of fun

Here's a version that uses HTML to render the content, I've also added extra configuration for the window (timeout, fullscreen enable, okay button display).

Code:

from wxPython.wx import *
from wxPython.html import *
'''This Module defines a wxPython Splash dialog with HTML rendering and many options.

SplashDialog(parent,ID,title,page,fullscreen,showok,timeout,pos,size,style)
    parent = parent wxApp
    ID = Frame ID (use -1)
    title = sring Title of window
    page = string HTML to be shown
    fullscreen = Boolean flag, if true show full screen
    showok = Boolean flag, if true Display OK button
    timeout = In mille seconds, if 0 don't timeout.
    pos = Location on screen (use wxSize)
    size = Size of inner HTML window (dialog shrinks to fit)
    style = wxWindows style
    #This dialog shows as normal but after 5 seconds it closes automatically

Run this module to see two examples - Application start and Application close.
'''

class SplashDialog(wxDialog): 
    
    def __init__(self, parent, ID, title='Splash', 
                 page='<html><body><b>Hello, world!</b></body></html>', 
                 fullscreen=False, 
                 showok=True, 
                 timeout=5000, 
                 pos=wxDefaultPosition, size=wxDefaultSize, 
                 style=wxDEFAULT_DIALOG_STYLE): 
        
        wxDialog.__init__(self, id = 1, name = '', parent = parent, 
              pos = pos, size = size, title = title)
        sizer = wxBoxSizer(wxVERTICAL)
        self.panel = wxHtmlWindow(self, -1, size = size)
        self.panel.SetPage(page)
        sizer.Add(self.panel, 1, wxEXPAND, 0)
        if showok: 
            btn = wxButton(self, wxID_OK, " OK ")
            btn.SetDefault()
            sizer.Add(btn, 0, wxEXPAND, 0)
        self.SetSizer(sizer)
        self.SetAutoLayout(True)
        sizer.Fit(self)
        #build the timeout event
        if timeout > 0: 
            self.ID_Timer = wxNewId()
            self.timer = wxTimer(self, self.ID_Timer)
            EVT_TIMER(self, self.ID_Timer, self.end)
            self.timer.Start(timeout)
        if fullscreen: 
            self.ShowFullScreen(true)

    def end(self, evt): 
        #This is the event handler assigned to our timer
        self.Destroy()
        
sample = '''<center><br><br>
Some content:
<pre  style="background: #EFEFEF;color: #000000; font-size: 8pt; font-weight: normal; font-style: normal; font-variant: normal;margin:0px; padding:6px; border:1px inset;  overflow:auto">        <font color="orange">def</font><font color="blue"> appClose</font>(self, evt): 
            <font color="red">#Hide the main window then bring up the splash dialog
</font>            self.frame.Show(false)
            dlg = SplashDialog(self.frame, -1, <font color="green">"Splash down!!"</font>, 
                               showok = True, 
                               fullscreen = False, 
                               timeout = 10000, 
                               size = wxSize(300, 300), 
                     style = wxDEFAULT_DIALOG_STYLE)
            dlg.ShowModal()
</pre><br>This window will not timeout</center>
<FONT SIZE=+3>
<center><a href="http://www.python.org/">>This is a link to Python's Home<</a></font><br></center>
'''
if __name__ == '__main__': 

    #an appllcation created just to show the splash dialog 
    class MyApp(wxApp): 
        def OnInit(self): 
            self.frame = wxFrame(NULL, -1, "Splash Demo")
            self.frame.Show(true)
            self.SetTopWindow(self.frame)
            #Handle the window closing event
            EVT_CLOSE(self.frame, self.appClose)
            return true
        
        def appClose(self, evt): 
            #Hide the main window then bring up the splash dialog
            self.frame.Show(false)
            dlg = SplashDialog(self.frame, -1, "Splash Down!!", 
                               showok = True, 
                               page = sample, 
                               fullscreen = True, 
                               timeout = 0, 
                               size = wxSize(300, 100), 
                     style = wxDEFAULT_DIALOG_STYLE)
            dlg.ShowModal()
            #let wxWindows do its stuff and delete things
            evt.Skip()
    #create an instance of MyApp
    app = MyApp(0)
    dlg = SplashDialog(app.frame, -1, "Splash Up!!", 
                       page = '''<center><FONT COLOR="#0000FF"><FONT SIZE=+6><br><br>Welcome</FONT></FONT></center>''', 
                       fullscreen = False, 
                       timeout = 2000, 
                       showok = False, 
                       size = wxSize(600, 100), 
             style = wxDEFAULT_DIALOG_STYLE)
    dlg.ShowModal()
    #Now service the GUI events
    app.MainLoop()

Thread Tools	Search this Thread
Email this Page	Search this Thread: Advanced Search
Display Modes	Rate This Thread
Linear Mode Switch to Hybrid Mode Switch to Threaded Mode	Rate This Thread: