[Glade-users] changing the label according to time

[Lukasz Gromotowicz]

I think that as you display text in the separate thread, you must use
gdk_threads_enter() and gdk_threads_leave() (and also g_thread_init() and
gdk_threads_init()).
Read about it here:
http://library.gnome.org/devel/gdk/stable/gdk-Threads.html

Regards,
LUK



2008/3/7, amit bag <amit.bangalore07 at yahoo.co.in>:
>
> Hi All ,
>           I am doing a project in it I want to show the lyrics of a song
> which is playing in the background .I use gtk label to show that lyrics .I
> use the gtk window to show the lyrics on it .I read a file in which I have
> that lyrics and the time  at which it come from the start of the play .I
> sleep  for that time  I read the next line and display it on the window
> with the help of the  label  .I test  that the lyrics are coming in
> properly  or  not so I put printf and verify that it read that lyrics
> according to that time .But when I try to show that lyrics in label on the
> windows It do not change according to time .I mean to say that it changes
> but not on the windows .I make 2 threads one for playing the music and other
> for showing that lyrics .If I regularly move the mouse cursor on the window
> then the lyrics changes accordingly .But if I stay ideal do not move the
> mouse cursor on it it do not change the lyrics .I think it do not refresh
> after that sleep time on its own .
> I do that like follows
>                 label=gtk_label_new(lyrics_line);
>                 gtk_widget_show(label);
>                 gtk_fixed_put(GTK_FIXED(fixed1),label,150,470);
>                 gtk_widget_set_size_request(label,450,30);
>                 //gtk_misc_set_alignment(GTK_MISC(label),0,0.5);
>                 font_desc = pango_font_description_from_string("sans 15");
>                 gtk_widget_modify_font(label,font_desc);
>                 pango_font_description_free(font_desc);
>                 gdk_color_parse("#D5D8D4", &color);
>                 gtk_widget_modify_fg(label,GTK_STATE_NORMAL,&color);
>                 Sleep(time*100);
>                 gtk_widget_hide(label);
>
> I use a while loop to read it to the end of that file .I think I am able
> to explain my problem .If there is any option that refresh the windows after
> that sleep time I think the lyrics changes properly .the lyrics are changing
> If there is any movement  on the windows other wise it do not change .
> So there is some refreshing happens when some movement on the windows .But
> u can't move the mouse cursor every time .So please tell my there is some
> way to refresh that windows Programeticaly .
> Thanks in advance .
>
>
> Regards
> Amit Kumar Bag
>
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