Re: [gtk-list] blinking

[Matthew <matthew mattshouse com>]

> I use small pixmap in the GUI. How can I make them blink?

Not exactly what you asked for, but the principle is the same.  This is an
animation that we use in one of our apps.  


#include <xpm/anim1.xpm>
#include <xpm/anim2.xpm>
#include <xpm/anim3.xpm>
#include <xpm/anim4.xpm>
#include <xpm/anim5.xpm>
#include <xpm/anim6.xpm>
#include <xpm/anim7.xpm>
#include <xpm/anim8.xpm>
#include <xpm/anim9.xpm>
#include <xpm/anim10.xpm>
#include <xpm/anim11.xpm>
#include <xpm/anim12.xpm>
#include <xpm/blank.xpm>

static GdkPixmap *pixmaps[13];
static GdkBitmap *masks[13];
static GtkWidget *pixmap;

GtkWidget *
active_init(
    GtkWidget *mainwin)
{
    if (!pixmap) {
	pixmaps[0] = gdk_pixmap_create_from_xpm_d(mainwin->window, &masks[0], NULL, blank);
	pixmaps[1] = gdk_pixmap_create_from_xpm_d(mainwin->window, &masks[1], NULL, diamond_frame1);
	pixmaps[2] = gdk_pixmap_create_from_xpm_d(mainwin->window, &masks[2], NULL, diamond_frame2);
	pixmaps[3] = gdk_pixmap_create_from_xpm_d(mainwin->window, &masks[3], NULL, diamond_frame3);
	pixmaps[4] = gdk_pixmap_create_from_xpm_d(mainwin->window, &masks[4], NULL, diamond_frame4);
	pixmaps[5] = gdk_pixmap_create_from_xpm_d(mainwin->window, &masks[5], NULL, diamond_frame5);
	pixmaps[6] = gdk_pixmap_create_from_xpm_d(mainwin->window, &masks[6], NULL, diamond_frame6);
	pixmaps[7] = gdk_pixmap_create_from_xpm_d(mainwin->window, &masks[7], NULL, diamond_frame7);
	pixmaps[8] = gdk_pixmap_create_from_xpm_d(mainwin->window, &masks[8], NULL, diamond_frame8);
	pixmaps[9] = gdk_pixmap_create_from_xpm_d(mainwin->window, &masks[9], NULL, diamond_frame9);
	pixmaps[10] = gdk_pixmap_create_from_xpm_d(mainwin->window, &masks[10], NULL, diamond_frame10);
	pixmaps[11] = gdk_pixmap_create_from_xpm_d(mainwin->window, &masks[11], NULL, diamond_frame11);
	pixmaps[12] = gdk_pixmap_create_from_xpm_d(mainwin->window, &masks[12], NULL, diamond_frame12);
	pixmap = gtk_pixmap_new(pixmaps[0], masks[0]);
	gtk_widget_show(pixmap);
	return pixmap;
    }
    return 0;
}

int
active_step(
    int counter)
{
    counter /= 12;

    if (counter) {
	gtk_pixmap_set(GTK_PIXMAP(pixmap), pixmaps[(counter%12)+1], masks[(counter%12)+1]);
	while(gtk_events_pending())
	    gtk_main_iteration();
    }
    return 1;
}

void
active_clear(void)
{
    gtk_pixmap_set(GTK_PIXMAP(pixmap), pixmaps[0], masks[0]);
}