ti83-sdk/tool/tilem-src/gui/pbar.c

157 lines
4.3 KiB
C

/*
* TilEm II
*
* Copyright (c) 2010-2011 Thibault Duponchelle
* Copyright (c) 2011 Benjamin Moody
*
* This program is free software: you can redistribute it and/or
* modify it under the terms of the GNU General Public License as
* published by the Free Software Foundation, either version 3 of the
* License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#ifdef HAVE_CONFIG_H
# include <config.h>
#endif
#include <stdio.h>
#include <gtk/gtk.h>
#include <ticalcs.h>
#include <tilem.h>
#include "gui.h"
/* Update the progress_bar */
static void progress_bar_update_activity(TilemLinkProgress *linkpb)
{
char *s;
gdouble f;
if (!linkpb->window || !linkpb->emu->pbar_title)
return;
gtk_window_set_title(GTK_WINDOW(linkpb->window), linkpb->emu->pbar_title);
s = g_strdup_printf("<big><b>%s</b></big>", linkpb->emu->pbar_title);
gtk_label_set_markup(linkpb->title_lbl, s);
g_free(s);
if (linkpb->emu->paused && linkpb->emu->pbar_status) {
s = g_strconcat(linkpb->emu->pbar_status, " (paused)", NULL);
gtk_label_set_text(linkpb->status_lbl, s);
g_free(s);
}
else if (linkpb->emu->paused)
gtk_label_set_text(linkpb->status_lbl, "(paused)");
else
gtk_label_set_text(linkpb->status_lbl, linkpb->emu->pbar_status);
if (linkpb->emu->pbar_progress < 0.0) {
gtk_progress_bar_pulse(linkpb->progress_bar);
}
else {
f = CLAMP(linkpb->emu->pbar_progress, 0.0, 1.0);
gtk_progress_bar_set_fraction(linkpb->progress_bar, f);
}
}
/* Callback to destroy the progress bar */
static void destroy_progress(G_GNUC_UNUSED GtkDialog *dlg,
G_GNUC_UNUSED gint response,
gpointer data)
{
TilemLinkProgress* linkpb = data;
tilem_calc_emulator_cancel_tasks(linkpb->emu);
gtk_widget_destroy(linkpb->window);
linkpb->window = NULL;
linkpb->progress_bar = NULL;
linkpb->title_lbl = NULL;
linkpb->status_lbl = NULL;
}
/* Create the progress bar window */
static void progress_bar_init(TilemLinkProgress* linkpb)
{
GtkWidget *pw, *parent, *vbox, *vbox2, *lbl, *pb;
if (linkpb->emu->ewin)
parent = linkpb->emu->ewin->window;
else
parent = NULL;
pw = gtk_dialog_new_with_buttons("", GTK_WINDOW(parent), 0,
GTK_STOCK_CANCEL,
GTK_RESPONSE_CANCEL,
NULL);
linkpb->window = pw;
gtk_window_set_resizable(GTK_WINDOW(pw), FALSE);
vbox = gtk_dialog_get_content_area(GTK_DIALOG(pw));
vbox2 = gtk_vbox_new(FALSE, 6);
gtk_container_set_border_width(GTK_CONTAINER(vbox2), 6);
lbl = gtk_label_new(NULL);
gtk_label_set_width_chars(GTK_LABEL(lbl), 35);
gtk_misc_set_alignment(GTK_MISC(lbl), 0.0, 0.5);
gtk_box_pack_start(GTK_BOX(vbox2), lbl, FALSE, FALSE, 0);
linkpb->title_lbl = GTK_LABEL(lbl);
pb = gtk_progress_bar_new();
gtk_box_pack_start(GTK_BOX(vbox2), pb, FALSE, FALSE, 0);
linkpb->progress_bar = GTK_PROGRESS_BAR(pb);
lbl = gtk_label_new(NULL);
gtk_misc_set_alignment(GTK_MISC(lbl), 0.0, 0.5);
gtk_box_pack_start(GTK_BOX(vbox2), lbl, FALSE, FALSE, 0);
linkpb->status_lbl = GTK_LABEL(lbl);
gtk_box_pack_start(GTK_BOX(vbox), vbox2, FALSE, FALSE, 6);
g_signal_connect(pw, "response", G_CALLBACK(destroy_progress), linkpb);
progress_bar_update_activity(linkpb);
gtk_widget_show_all(pw);
}
/* Create or update the progress bar */
void progress_bar_update(TilemCalcEmulator* emu)
{
g_return_if_fail(emu != NULL);
g_mutex_lock(emu->pbar_mutex);
if (!emu->linkpb) {
emu->linkpb = g_slice_new0(TilemLinkProgress);
emu->linkpb->emu = emu;
}
if (!emu->linkpb->window && emu->pbar_title) {
progress_bar_init(emu->linkpb);
}
else if (emu->linkpb->window && !emu->pbar_title) {
gtk_widget_destroy(emu->linkpb->window);
emu->linkpb->window = NULL;
emu->linkpb->title_lbl = NULL;
emu->linkpb->status_lbl = NULL;
emu->linkpb->progress_bar = NULL;
}
else {
progress_bar_update_activity(emu->linkpb);
}
emu->pbar_update_pending = FALSE;
g_mutex_unlock(emu->pbar_mutex);
}