Re: Playing around with two windows in a program: problem

[vijayasarathy setsindia net]

Also,


1. Please dont get into names. I have changed them so that I disclose not
much about what I am doing :-)

2. call back function func1() for the wdgt_window2 on destroy calls
gtk_main_quit(), does nothing else.


Thanks


Vijay


On Fri, January 11, 2008 5:03 pm, vijayasarathy setsindia net wrote:
>

> Hi All,
>
>
> I was caught in a situation like this:
>
>
> I have three windows, and a main window. The main window contains three
> radio buttons 1)option1 2)option2 3)option3. On the coresponding option
> being chosen, program then has to
>
> a)close main window b)open an another window(depending on the option
> chosen).
>
> What I did was this:
>
>
> **************************START CODE
> CHUNK**********************************
> /*THIS IS IN THE CALL BACK FUNCTION OF A BUTTON WHICH IS IN MAIN WINDOW*/
>
>
> /*if radiobutton1 was active, then redirect to utility suite window. Show
>  the window, that is*/ if (gtk_toggle_button_get_active (GTK_TOGGLE_BUTTON
>  (wdgt_radio_main_radiobutton2)))//Create and show window2.
> {
>
>
> //Create window2
> wdgt_window2 = create_ui_window2(); gtk_widget_show (wdgt_window2);
> g_signal_connect ((gpointer) wdgt_window2, "destroy",
> G_CALLBACK(func1),NULL);
>
>
>
> //Hide the main window
> GtkWidget * mainwindow = gtk_widget_get_toplevel(GTK_WIDGET(button));
> gtk_widget_hide(mainwindow);
>
> }
> else {
> g_print("Radiobutton2 not clicked !!"); //For now.:-) /* If control reaches
> here, the toggle button is up */ }
>
>
> gtk_main ();
>
> **************************END CODE
> CHUNK************************************
>
>
> > From this piece of code, things partly worked the way I wanted.
>
> a) On clicking the corresponding button, radiobuttons were checked and
> corresponding window opened, and the mainwindow got hidden.
>
> b) PROBLEM: when I click the close button[at the top right in the new
> window], gtk_main_quit() is not called. That is, the program doesnt end.
>
> Then I thought the problem might be in calling this gtk main forever. So
> I
> changed the last line of the code to gtk_main_iteration() [call it only
> once].
>
> Then my code works perfectly. When I click the close button in the new
> window, the program ends.
>
> My question:
>
>
> 0. Should I call gtk_main() after I show the new window and hide the main
>  window ? 1. Why did this trouble occur ? And how did gtk_main_iteration()
> solve the problem ? 2. Am I likely to end up with problems with the way I
> have coded it now [and it works ] ??
>
>
> Pls help me soon buddies.
>
>
>
>
> Vijayasarathy
> Senior Research Associate
> SETS
>
>
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Vijayasarathy
Senior Research Associate
SETS

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or
by telephone on +91-44-28205655 and then delete this e-mail.
The sender does not accept any responsibility for any damage which
you sustain as a result of software viruses or malicious programs.
You should therefore scan attachments (if any) prior to opening them.
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Any use,distribution,copying or disclosure by any other person is strictly prohibited. If you have received 
this transmission in error please notify SETS immediately either by replying to this e-mail or by telephone 
+91-44-28205655 and then delete this e-mail. The sender does not accept any responsibility for any damage 
which you sustain as a result of software viruses or malicious programs. You should therefore scan 
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