mirror of
https://gitlab.gnome.org/GNOME/gtk.git
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94 lines
2.4 KiB
C
94 lines
2.4 KiB
C
/* This file extracted from the GTK tutorial. */
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/* progressbar.c */
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#include <gtk/gtk.h>
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static int ptimer = 0;
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int pstat = TRUE;
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/* This function increments and updates the progress bar, it also resets
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the progress bar if pstat is FALSE */
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gint progress (gpointer data)
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{
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gfloat pvalue;
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/* get the current value of the progress bar */
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pvalue = GTK_PROGRESS_BAR (data)->percentage;
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if ((pvalue >= 1.0) || (pstat == FALSE)) {
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pvalue = 0.0;
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pstat = TRUE;
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}
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pvalue += 0.01;
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gtk_progress_bar_update (GTK_PROGRESS_BAR (data), pvalue);
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return TRUE;
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}
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/* This function signals a reset of the progress bar */
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void progress_r (void)
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{
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pstat = FALSE;
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}
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void destroy (GtkWidget *widget, gpointer *data)
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{
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gtk_main_quit ();
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}
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int main (int argc, char *argv[])
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{
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GtkWidget *window;
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GtkWidget *button;
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GtkWidget *label;
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GtkWidget *table;
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GtkWidget *pbar;
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gtk_init (&argc, &argv);
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window = gtk_window_new (GTK_WINDOW_TOPLEVEL);
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gtk_signal_connect (GTK_OBJECT (window), "delete_event",
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GTK_SIGNAL_FUNC (destroy), NULL);
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gtk_container_border_width (GTK_CONTAINER (window), 10);
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table = gtk_table_new(3,2,TRUE);
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gtk_container_add (GTK_CONTAINER (window), table);
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label = gtk_label_new ("Progress Bar Example");
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gtk_table_attach_defaults(GTK_TABLE(table), label, 0,2,0,1);
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gtk_widget_show(label);
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/* Create a new progress bar, pack it into the table, and show it */
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pbar = gtk_progress_bar_new ();
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gtk_table_attach_defaults(GTK_TABLE(table), pbar, 0,2,1,2);
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gtk_widget_show (pbar);
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/* Set the timeout to handle automatic updating of the progress bar */
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ptimer = gtk_timeout_add (100, progress, pbar);
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/* This button signals the progress bar to be reset */
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button = gtk_button_new_with_label ("Reset");
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gtk_signal_connect (GTK_OBJECT (button), "clicked",
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GTK_SIGNAL_FUNC (progress_r), NULL);
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gtk_table_attach_defaults(GTK_TABLE(table), button, 0,1,2,3);
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gtk_widget_show(button);
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button = gtk_button_new_with_label ("Cancel");
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gtk_signal_connect (GTK_OBJECT (button), "clicked",
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GTK_SIGNAL_FUNC (destroy), NULL);
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gtk_table_attach_defaults(GTK_TABLE(table), button, 1,2,2,3);
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gtk_widget_show (button);
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gtk_widget_show(table);
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gtk_widget_show(window);
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gtk_main ();
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return 0;
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}
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