Hello all,
I have made a little animation (oh, well .. it is a square bouncing). I
do in the main-program:
gtk_timeout_add (100,Repaint, (gpointer) drawing_area);
with function Repaint:
gint Repaint (gpointer data)
{
GtkWidget* drawing_area = (GtkWidget *) data;
GdkDrawable *drawable;
time_t now;
struct tm *now_tm;
float move;
drawable = drawing_area ->window;
gdk_draw_rectangle (etc. etc. nice drawings)
//now timeinfo, did I mentione I use #include<time.h>
time(&now);
now_tm = localtime(&now);
move = 25.0 * sin (5*now_tm->tm_sec*3.14/70);
// I use move as input for my movement, so I can bounce a rectangle,
Okay, that works. It doesn't stop anymore, because it just uses the
clock and keeps on bouncing.
I want to add a toggle-button with 'start' and 'stop'. I can create the
buttons, that is no problem, but how can I make it stop/start the
animation. I can terminate the
gtk_timeout_add bij returning Repaint with return (FALSE), but how would
I start the animation again?
Looking forward for your reactions. Edward Hage
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