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

271 lines
7.5 KiB
C

/*
* TilEm II
*
* 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 <stdlib.h>
#include <string.h>
#include <gtk/gtk.h>
#include <ticalcs.h>
#include <tilem.h>
#include "gui.h"
#include "files.h"
#include "filedlg.h"
/* Convert to an absolute path */
static char *canonicalize_filename(const char *name)
{
#ifdef G_OS_WIN32
static const char delim[] = "/\\";
#else
static const char delim[] = G_DIR_SEPARATOR_S;
#endif
char *result, **parts, *p;
int i;
if (name == NULL || g_path_is_absolute(name))
return g_strdup(name);
result = g_get_current_dir();
parts = g_strsplit_set(name, delim, -1);
for (i = 0; parts[i]; i++) {
if (!strcmp(parts[i], "..")) {
p = g_path_get_dirname(result);
g_free(result);
result = p;
}
else if (strcmp(parts[i], ".")
&& strcmp(parts[i], "")) {
p = g_build_filename(result, parts[i], NULL);
g_free(result);
result = p;
}
}
g_strfreev(parts);
return result;
}
/* check if two file names are equivalent (of course, if this fails,
it doesn't necessarily mean the files are distinct) */
static gboolean file_names_equal(const char *a, const char *b)
{
char *ca, *cb;
gboolean status;
if (a == NULL && b == NULL)
return TRUE;
else if (a == NULL || b == NULL)
return FALSE;
ca = canonicalize_filename(a);
cb = canonicalize_filename(b);
status = !strcmp(ca, cb);
g_free(ca);
g_free(cb);
return status;
}
static void save_skin_name(TilemEmulatorWindow *ewin)
{
const char *model = ewin->emu->calc->hw.name;
char *base, *shared;
/* don't save pref unless skin was actually loaded */
if (!ewin->skin_file_name || !ewin->skin)
return;
/* if file is stored in shared skins directory, save
only the relative path; otherwise, save the
absolute path */
base = g_path_get_basename(ewin->skin_file_name);
shared = get_shared_file_path("skins", base, NULL);
if (file_names_equal(shared, ewin->skin_file_name))
tilem_config_set(model,
"skin/f", base,
NULL);
else
tilem_config_set(model,
"skin/f", ewin->skin_file_name,
NULL);
g_free(base);
g_free(shared);
}
static void speed_changed(GtkToggleButton *btn, gpointer data)
{
TilemEmulatorWindow *ewin = data;
gboolean setting = gtk_toggle_button_get_active(btn);
tilem_calc_emulator_set_limit_speed(ewin->emu, setting);
tilem_config_set("emulation",
"limit_speed/b", setting,
NULL);
}
static void grayscale_changed(GtkToggleButton *btn, gpointer data)
{
TilemEmulatorWindow *ewin = data;
gboolean setting = gtk_toggle_button_get_active(btn);
tilem_calc_emulator_set_grayscale(ewin->emu, setting);
tilem_config_set("emulation",
"grayscale/b", setting,
NULL);
}
static void smooth_changed(GtkToggleButton *btn, gpointer data)
{
TilemEmulatorWindow *ewin = data;
gboolean setting = gtk_toggle_button_get_active(btn);
ewin->lcd_smooth_scale = setting;
tilem_config_set("settings",
"smooth_scaling/b", setting,
NULL);
}
static void skin_enable_changed(GtkToggleButton *btn, gpointer data)
{
TilemEmulatorWindow *ewin = data;
gboolean enable = gtk_toggle_button_get_active(btn);
if (ewin->skin_disabled == !enable)
return;
tilem_emulator_window_set_skin_disabled(ewin, !enable);
tilem_config_set("settings",
"skin_disabled/b", !enable,
NULL);
save_skin_name(ewin);
}
static void skin_file_changed(GtkWidget *fe, gpointer data)
{
TilemEmulatorWindow *ewin = data;
char *fname = file_entry_get_filename(fe);
if (fname && !file_names_equal(fname, ewin->skin_file_name)) {
tilem_emulator_window_set_skin(ewin, fname);
save_skin_name(ewin);
g_free(fname);
}
}
/* Run preferences dialog. */
void tilem_preferences_dialog(TilemEmulatorWindow *ewin)
{
GtkWidget *dlg, *vbox1, *vbox2, *frame, *slow_rb, *fast_rb,
*grayscale_cb, *smooth_cb, *hbox, *skin_cb, *skin_entry;
g_return_if_fail(ewin != NULL);
g_return_if_fail(ewin->emu != NULL);
dlg = gtk_dialog_new_with_buttons("Preferences",
GTK_WINDOW(ewin->window),
GTK_DIALOG_MODAL,
GTK_STOCK_CLOSE, GTK_RESPONSE_CLOSE,
NULL);
vbox1 = gtk_vbox_new(FALSE, 12);
gtk_container_set_border_width(GTK_CONTAINER(vbox1), 6);
/* Emulation speed */
vbox2 = gtk_vbox_new(FALSE, 6);
slow_rb = gtk_radio_button_new_with_mnemonic
(NULL, "_Limit to actual calculator speed");
gtk_box_pack_start(GTK_BOX(vbox2), slow_rb, FALSE, FALSE, 0);
fast_rb = gtk_radio_button_new_with_mnemonic_from_widget
(GTK_RADIO_BUTTON(slow_rb), "As _fast as possible");
gtk_box_pack_start(GTK_BOX(vbox2), fast_rb, FALSE, FALSE, 0);
if (!ewin->emu->limit_speed)
gtk_toggle_button_set_active(GTK_TOGGLE_BUTTON(fast_rb), TRUE);
g_signal_connect(slow_rb, "toggled",
G_CALLBACK(speed_changed), ewin);
frame = new_frame("Emulation Speed", vbox2);
gtk_box_pack_start(GTK_BOX(vbox1), frame, FALSE, FALSE, 0);
/* Display settings */
vbox2 = gtk_vbox_new(FALSE, 6);
grayscale_cb = gtk_check_button_new_with_mnemonic("Emulate _grayscale");
gtk_box_pack_start(GTK_BOX(vbox2), grayscale_cb, FALSE, FALSE, 0);
if (ewin->emu->grayscale)
gtk_toggle_button_set_active(GTK_TOGGLE_BUTTON(grayscale_cb), TRUE);
g_signal_connect(grayscale_cb, "toggled",
G_CALLBACK(grayscale_changed), ewin);
smooth_cb = gtk_check_button_new_with_mnemonic("Use _smooth scaling");
gtk_box_pack_start(GTK_BOX(vbox2), smooth_cb, FALSE, FALSE, 0);
if (ewin->lcd_smooth_scale)
gtk_toggle_button_set_active(GTK_TOGGLE_BUTTON(smooth_cb), TRUE);
g_signal_connect(smooth_cb, "toggled",
G_CALLBACK(smooth_changed), ewin);
hbox = gtk_hbox_new(FALSE, 6);
skin_cb = gtk_check_button_new_with_mnemonic("Use s_kin:");
gtk_box_pack_start(GTK_BOX(hbox), skin_cb, FALSE, FALSE, 0);
skin_entry = file_entry_new("Select Skin",
"Skin files", "*.skn",
"All files", "*",
NULL);
gtk_box_pack_start(GTK_BOX(hbox), skin_entry, TRUE, TRUE, 0);
gtk_box_pack_start(GTK_BOX(vbox2), hbox, FALSE, FALSE, 0);
if (!ewin->skin_disabled)
gtk_toggle_button_set_active(GTK_TOGGLE_BUTTON(skin_cb), TRUE);
if (ewin->skin_file_name)
file_entry_set_filename(skin_entry, ewin->skin_file_name);
g_signal_connect(skin_cb, "toggled",
G_CALLBACK(skin_enable_changed), ewin);
g_signal_connect(skin_entry, "selection-changed",
G_CALLBACK(skin_file_changed), ewin);
frame = new_frame("Display", vbox2);
gtk_box_pack_start(GTK_BOX(vbox1), frame, FALSE, FALSE, 0);
vbox2 = gtk_dialog_get_content_area(GTK_DIALOG(dlg));
gtk_box_pack_start(GTK_BOX(vbox2), vbox1, FALSE, FALSE, 0);
gtk_widget_show_all(vbox1);
gtk_dialog_run(GTK_DIALOG(dlg));
gtk_widget_destroy(dlg);
}