progress.c

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// SPDX-License-Identifier: GPL-2.0
#include <inttypes.h>

#include "gtk.h"
#include "../progress.h"
#include "util.h"

static GtkWidget *dialog;
static GtkWidget *progress;

static void gtk_ui_progress__update(struct ui_progress *p)
{
    double fraction = p->total ? 1.0 * p->curr / p->total : 0.0;
    char buf[1024];

    if (dialog == NULL) {
        GtkWidget *vbox = gtk_vbox_new(TRUE, 5);
        GtkWidget *label = gtk_label_new(p->title);

        dialog = gtk_window_new(GTK_WINDOW_TOPLEVEL);
        progress = gtk_progress_bar_new();

        gtk_box_pack_start(GTK_BOX(vbox), label, TRUE, FALSE, 3);
        gtk_box_pack_start(GTK_BOX(vbox), progress, TRUE, TRUE, 3);

        gtk_container_add(GTK_CONTAINER(dialog), vbox);

        gtk_window_set_title(GTK_WINDOW(dialog), "perf");
        gtk_window_resize(GTK_WINDOW(dialog), 300, 80);
        gtk_window_set_position(GTK_WINDOW(dialog), GTK_WIN_POS_CENTER);

        gtk_widget_show_all(dialog);
    }

    gtk_progress_bar_set_fraction(GTK_PROGRESS_BAR(progress), fraction);
    snprintf(buf, sizeof(buf), "%"PRIu64" / %"PRIu64, p->curr, p->total);
    gtk_progress_bar_set_text(GTK_PROGRESS_BAR(progress), buf);

    /* we didn't call gtk_main yet, so do it manually */
    while (gtk_events_pending())
        gtk_main_iteration();
}

static void gtk_ui_progress__finish(void)
{
    /* this will also destroy all of its children */
    gtk_widget_destroy(dialog);

    dialog = NULL;
}

static struct ui_progress_ops gtk_ui_progress__ops = {
    .update     = gtk_ui_progress__update,
    .finish     = gtk_ui_progress__finish,
};

void gtk_ui_progress__init(void)
{
    ui_progress__ops = &gtk_ui_progress__ops;
}