src/Unix/prefs_editor_gtk.cpp

/*
 *  prefs_editor_linux.cpp - Preferences editor, Linux implementation using GTK+
 *
 *  SheepShaver (C) 1997-2002 Christian Bauer and Marc Hellwig
 *
 *  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 2 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, write to the Free Software
 *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 */

#include "sysdeps.h"

#include <gtk/gtk.h>
#include <stdlib.h>
#include <dirent.h>
#include <sys/socket.h>
#include <sys/ioctl.h>
#include <net/if.h>
#include <net/if_arp.h>

#include "user_strings.h"
#include "version.h"
#include "cdrom.h"
#include "xpram.h"
#include "prefs.h"
#include "prefs_editor.h"


// Global variables
static GtkWidget *win;                          // Preferences window
static bool start_clicked = true;       // Return value of PrefsEditor() function


// Prototypes
static void create_volumes_pane(GtkWidget *top);
static void create_graphics_pane(GtkWidget *top);
static void create_serial_pane(GtkWidget *top);
static void create_memory_pane(GtkWidget *top);
static void read_settings(void);


/*
 *  Utility functions
 */

struct opt_desc {
        int label_id;
        GtkSignalFunc func;
};

static void add_menu_item(GtkWidget *menu, int label_id, GtkSignalFunc func)
{
        GtkWidget *item = gtk_menu_item_new_with_label(GetString(label_id));
        gtk_widget_show(item);
        gtk_signal_connect(GTK_OBJECT(item), "activate", func, NULL);
        gtk_menu_append(GTK_MENU(menu), item);
}

static GtkWidget *make_pane(GtkWidget *notebook, int title_id)
{
        GtkWidget *frame, *label, *box;

        frame = gtk_frame_new(NULL);
        gtk_widget_show(frame);
        gtk_container_border_width(GTK_CONTAINER(frame), 4);

        label = gtk_label_new(GetString(title_id));
        gtk_notebook_append_page(GTK_NOTEBOOK(notebook), frame, label);

        box = gtk_vbox_new(FALSE, 4);
        gtk_widget_show(box);
        gtk_container_set_border_width(GTK_CONTAINER(box), 4);
        gtk_container_add(GTK_CONTAINER(frame), box);
        return box;
}

static GtkWidget *make_button_box(GtkWidget *top, int border, const opt_desc *buttons)
{
        GtkWidget *bb, *button;

        bb = gtk_hbutton_box_new();
        gtk_widget_show(bb);
        gtk_container_set_border_width(GTK_CONTAINER(bb), border);
        gtk_button_box_set_layout(GTK_BUTTON_BOX(bb), GTK_BUTTONBOX_DEFAULT_STYLE);
        gtk_button_box_set_spacing(GTK_BUTTON_BOX(bb), 4);
        gtk_box_pack_start(GTK_BOX(top), bb, FALSE, FALSE, 0);

        while (buttons->label_id) {
                button = gtk_button_new_with_label(GetString(buttons->label_id));
                gtk_widget_show(button);
                gtk_signal_connect_object(GTK_OBJECT(button), "clicked", buttons->func, NULL);
                gtk_box_pack_start(GTK_BOX(bb), button, TRUE, TRUE, 0);
                buttons++;
        }
        return bb;
}

static GtkWidget *make_separator(GtkWidget *top)
{
        GtkWidget *sep = gtk_hseparator_new();
        gtk_box_pack_start(GTK_BOX(top), sep, FALSE, FALSE, 0);
        gtk_widget_show(sep);
        return sep;
}

static GtkWidget *make_table(GtkWidget *top, int x, int y)
{
        GtkWidget *table = gtk_table_new(x, y, FALSE);
        gtk_widget_show(table);
        gtk_box_pack_start(GTK_BOX(top), table, FALSE, FALSE, 0);
        return table;
}

static GtkWidget *make_option_menu(GtkWidget *top, int label_id, const opt_desc *options, int active)
{
        GtkWidget *box, *label, *opt, *menu;

        box = gtk_hbox_new(FALSE, 4);
        gtk_widget_show(box);
        gtk_box_pack_start(GTK_BOX(top), box, FALSE, FALSE, 0);

        label = gtk_label_new(GetString(label_id));
        gtk_widget_show(label);
        gtk_box_pack_start(GTK_BOX(box), label, FALSE, FALSE, 0);

        opt = gtk_option_menu_new();
        gtk_widget_show(opt);
        menu = gtk_menu_new();

        while (options->label_id) {
                add_menu_item(menu, options->label_id, options->func);
                options++;
        }
        gtk_menu_set_active(GTK_MENU(menu), active);

        gtk_option_menu_set_menu(GTK_OPTION_MENU(opt), menu);
        gtk_box_pack_start(GTK_BOX(box), opt, FALSE, FALSE, 0);
        return menu;
}

static GtkWidget *make_entry(GtkWidget *top, int label_id, const char *prefs_item)
{
        GtkWidget *box, *label, *entry;

        box = gtk_hbox_new(FALSE, 4);
        gtk_widget_show(box);
        gtk_box_pack_start(GTK_BOX(top), box, FALSE, FALSE, 0);

        label = gtk_label_new(GetString(label_id));
        gtk_widget_show(label);
        gtk_box_pack_start(GTK_BOX(box), label, FALSE, FALSE, 0);

        entry = gtk_entry_new();
        gtk_widget_show(entry);
        const char *str = PrefsFindString(prefs_item);
        if (str == NULL)
                str = "";
        gtk_entry_set_text(GTK_ENTRY(entry), str); 
        gtk_box_pack_start(GTK_BOX(box), entry, TRUE, TRUE, 0);
        return entry;
}

static GtkWidget *make_checkbox(GtkWidget *top, int label_id, const char *prefs_item, GtkSignalFunc func)
{
        GtkWidget *button = gtk_check_button_new_with_label(GetString(label_id));
        gtk_widget_show(button);
        gtk_toggle_button_set_state(GTK_TOGGLE_BUTTON(button), PrefsFindBool(prefs_item));
        gtk_signal_connect(GTK_OBJECT(button), "toggled", func, button);
        gtk_box_pack_start(GTK_BOX(top), button, FALSE, FALSE, 0);
        return button;
}

static GtkWidget *make_checkbox(GtkWidget *top, int label_id, bool active, GtkSignalFunc func)
{
        GtkWidget *button = gtk_check_button_new_with_label(GetString(label_id));
        gtk_widget_show(button);
        gtk_toggle_button_set_state(GTK_TOGGLE_BUTTON(button), active);
        gtk_signal_connect(GTK_OBJECT(button), "toggled", func, button);
        gtk_box_pack_start(GTK_BOX(top), button, FALSE, FALSE, 0);
        return button;
}


/*
 *  Show preferences editor
 *  Returns true when user clicked on "Start", false otherwise
 */

// Window closed
static gint window_closed(void)
{
        return FALSE;
}

// Window destroyed
static void window_destroyed(void)
{
        gtk_main_quit();
}

// "Start" button clicked
static void cb_start(...)
{
        start_clicked = true;
        read_settings();
        SavePrefs();
        gtk_widget_destroy(win);
}

// "Quit" button clicked
static void cb_quit(...)
{
        start_clicked = false;
        gtk_widget_destroy(win);
}

// "OK" button of "About" dialog clicked
static void dl_quit(GtkWidget *dialog)
{
        gtk_widget_destroy(dialog);
}

// "About" selected
static void mn_about(...)
{
        GtkWidget *dialog, *label, *button;

        char str[512];
        sprintf(str,
                "SheepShaver\nVersion %d.%d\n\n"
                "Copyright (C) 1997-2002 Christian Bauer and Marc Hellwig\n"
                "E-mail: Christian.Bauer@uni-mainz.de\n"
                "http://www.uni-mainz.de/~bauec002/\n\n"
                "SheepShaver comes with ABSOLUTELY NO\n"
                "WARRANTY. This is free software, and\n"
                "you are welcome to redistribute it\n"
                "under the terms of the GNU General\n"
                "Public License.\n",
                VERSION_MAJOR, VERSION_MINOR
        );

        dialog = gtk_dialog_new();
        gtk_window_set_title(GTK_WINDOW(dialog), GetString(STR_ABOUT_TITLE));
        gtk_container_border_width(GTK_CONTAINER(dialog), 5);
        gtk_widget_set_uposition(GTK_WIDGET(dialog), 100, 150);

        label = gtk_label_new(str);
        gtk_widget_show(label);
        gtk_box_pack_start(GTK_BOX(GTK_DIALOG(dialog)->vbox), label, TRUE, TRUE, 0);

        button = gtk_button_new_with_label(GetString(STR_OK_BUTTON));
        gtk_widget_show(button);
        gtk_signal_connect_object(GTK_OBJECT(button), "clicked", GTK_SIGNAL_FUNC(dl_quit), GTK_OBJECT(dialog));
        gtk_box_pack_start(GTK_BOX(GTK_DIALOG(dialog)->action_area), button, FALSE, FALSE, 0);
        GTK_WIDGET_SET_FLAGS(button, GTK_CAN_DEFAULT);
        gtk_widget_grab_default(button);
        gtk_widget_show(dialog);
}

// "Zap NVRAM" selected
static void mn_zap_pram(...)
{
        ZapPRAM();
}

// Menu item descriptions
static GtkItemFactoryEntry menu_items[] = {
        {(gchar *)GetString(STR_PREFS_MENU_FILE_GTK),           NULL,                   NULL,                                                   0, "<Branch>"},
        {(gchar *)GetString(STR_PREFS_ITEM_START_GTK),          NULL,                   GTK_SIGNAL_FUNC(cb_start),              0, NULL},
        {(gchar *)GetString(STR_PREFS_ITEM_ZAP_PRAM_GTK),       NULL,                   GTK_SIGNAL_FUNC(mn_zap_pram),   0, NULL},
        {(gchar *)GetString(STR_PREFS_ITEM_SEPL_GTK),           NULL,                   NULL,                                                   0, "<Separator>"},
        {(gchar *)GetString(STR_PREFS_ITEM_QUIT_GTK),           "<control>Q",   GTK_SIGNAL_FUNC(cb_quit),               0, NULL},
        {(gchar *)GetString(STR_HELP_MENU_GTK),                         NULL,                   NULL,                                                   0, "<LastBranch>"},
        {(gchar *)GetString(STR_HELP_ITEM_ABOUT_GTK),           NULL,                   GTK_SIGNAL_FUNC(mn_about),              0, NULL}
};

bool PrefsEditor(void)
{
        // Create window
        win = gtk_window_new(GTK_WINDOW_TOPLEVEL);
        gtk_window_set_title(GTK_WINDOW(win), GetString(STR_PREFS_TITLE));
        gtk_signal_connect(GTK_OBJECT(win), "delete_event", GTK_SIGNAL_FUNC(window_closed), NULL);
        gtk_signal_connect(GTK_OBJECT(win), "destroy", GTK_SIGNAL_FUNC(window_destroyed), NULL);

        // Create window contents
        GtkWidget *box = gtk_vbox_new(FALSE, 4);
        gtk_widget_show(box);
        gtk_container_add(GTK_CONTAINER(win), box);

        GtkAccelGroup *accel_group = gtk_accel_group_new();
        GtkItemFactory *item_factory = gtk_item_factory_new(GTK_TYPE_MENU_BAR, "<main>", accel_group);
        gtk_item_factory_create_items(item_factory, sizeof(menu_items) / sizeof(menu_items[0]), menu_items, NULL);
        gtk_accel_group_attach(accel_group, GTK_OBJECT(win));
        GtkWidget *menu_bar = gtk_item_factory_get_widget(item_factory, "<main>");
        gtk_widget_show(menu_bar);
        gtk_box_pack_start(GTK_BOX(box), menu_bar, FALSE, TRUE, 0);

        GtkWidget *notebook = gtk_notebook_new();
        gtk_widget_show(notebook);
        gtk_notebook_set_tab_pos(GTK_NOTEBOOK(notebook), GTK_POS_TOP);
        gtk_notebook_set_scrollable(GTK_NOTEBOOK(notebook), FALSE);
        gtk_box_pack_start(GTK_BOX(box), notebook, TRUE, TRUE, 0);

        create_volumes_pane(notebook);
        create_graphics_pane(notebook);
        create_serial_pane(notebook);
        create_memory_pane(notebook);

        static const opt_desc buttons[] = {
                {STR_START_BUTTON, GTK_SIGNAL_FUNC(cb_start)},
                {STR_QUIT_BUTTON, GTK_SIGNAL_FUNC(cb_quit)},
                {0, NULL}
        };
        make_button_box(box, 4, buttons);

        // Show window and enter main loop
        gtk_widget_show(win);
        gtk_main();
        return start_clicked;
}


/*
 *  "Volumes" pane
 */

static GtkWidget *volume_list, *w_extfs;
static int selected_volume;

// Volume in list selected
static void cl_selected(GtkWidget *list, int row, int column)
{
        selected_volume = row;
}

struct file_req_assoc {
        file_req_assoc(GtkWidget *r, GtkWidget *e) : req(r), entry(e) {}
        GtkWidget *req;
        GtkWidget *entry;
};

// Volume selected for addition
static void add_volume_ok(GtkWidget *button, file_req_assoc *assoc)
{
        char *file = gtk_file_selection_get_filename(GTK_FILE_SELECTION(assoc->req));
        gtk_clist_append(GTK_CLIST(volume_list), &file);
        gtk_widget_destroy(assoc->req);
        delete assoc;
}

// Volume selected for creation
static void create_volume_ok(GtkWidget *button, file_req_assoc *assoc)
{
        char *file = gtk_file_selection_get_filename(GTK_FILE_SELECTION(assoc->req));

        char *str = gtk_entry_get_text(GTK_ENTRY(assoc->entry));
        int size = atoi(str);

        char cmd[1024];
        sprintf(cmd, "dd if=/dev/zero \"of=%s\" bs=1024k count=%d", file, size);
        int ret = system(cmd);
        if (ret == 0)
                gtk_clist_append(GTK_CLIST(volume_list), &file);
        gtk_widget_destroy(GTK_WIDGET(assoc->req));
        delete assoc;
}

// "Add Volume" button clicked
static void cb_add_volume(...)
{
        GtkWidget *req = gtk_file_selection_new(GetString(STR_ADD_VOLUME_TITLE));
        gtk_signal_connect_object(GTK_OBJECT(req), "delete_event", GTK_SIGNAL_FUNC(gtk_widget_destroy), GTK_OBJECT(req));
        gtk_signal_connect(GTK_OBJECT(GTK_FILE_SELECTION(req)->ok_button), "clicked", GTK_SIGNAL_FUNC(add_volume_ok), new file_req_assoc(req, NULL));
        gtk_signal_connect_object(GTK_OBJECT(GTK_FILE_SELECTION(req)->cancel_button), "clicked", GTK_SIGNAL_FUNC(gtk_widget_destroy), GTK_OBJECT(req));
        gtk_widget_show(req);
}

// "Create Hardfile" button clicked
static void cb_create_volume(...)
{
        GtkWidget *req = gtk_file_selection_new(GetString(STR_CREATE_VOLUME_TITLE));

        GtkWidget *box = gtk_hbox_new(FALSE, 4);
        gtk_widget_show(box);
        GtkWidget *label = gtk_label_new(GetString(STR_HARDFILE_SIZE_CTRL));
        gtk_widget_show(label);
        GtkWidget *entry = gtk_entry_new();
        gtk_widget_show(entry);
        char str[32];
        sprintf(str, "%d", 40);
        gtk_entry_set_text(GTK_ENTRY(entry), str);
        gtk_box_pack_start(GTK_BOX(box), label, FALSE, FALSE, 0);
        gtk_box_pack_start(GTK_BOX(box), entry, FALSE, FALSE, 0);
        gtk_box_pack_start(GTK_BOX(GTK_FILE_SELECTION(req)->main_vbox), box, FALSE, FALSE, 0);

        gtk_signal_connect_object(GTK_OBJECT(req), "delete_event", GTK_SIGNAL_FUNC(gtk_widget_destroy), GTK_OBJECT(req));
        gtk_signal_connect(GTK_OBJECT(GTK_FILE_SELECTION(req)->ok_button), "clicked", GTK_SIGNAL_FUNC(create_volume_ok), new file_req_assoc(req, entry));
        gtk_signal_connect_object(GTK_OBJECT(GTK_FILE_SELECTION(req)->cancel_button), "clicked", GTK_SIGNAL_FUNC(gtk_widget_destroy), GTK_OBJECT(req));
        gtk_widget_show(req);
}

// "Remove Volume" button clicked
static void cb_remove_volume(...)
{
        gtk_clist_remove(GTK_CLIST(volume_list), selected_volume);
}

// "Boot From" selected
static void mn_boot_any(...) {PrefsReplaceInt32("bootdriver", 0);}
static void mn_boot_cdrom(...) {PrefsReplaceInt32("bootdriver", CDROMRefNum);}

// "No CD-ROM Driver" button toggled
static void tb_nocdrom(GtkWidget *widget)
{
        PrefsReplaceBool("nocdrom", GTK_TOGGLE_BUTTON(widget)->active);
}

// Read settings from widgets and set preferences
static void read_volumes_settings(void)
{
        while (PrefsFindString("disk"))
                PrefsRemoveItem("disk");

        for (int i=0; i<GTK_CLIST(volume_list)->rows; i++) {
                char *str;
                gtk_clist_get_text(GTK_CLIST(volume_list), i, 0, &str);
                PrefsAddString("disk", str);
        }

        PrefsReplaceString("extfs", gtk_entry_get_text(GTK_ENTRY(w_extfs)));
}

// Create "Volumes" pane
static void create_volumes_pane(GtkWidget *top)
{
        GtkWidget *box, *scroll, *menu;

        box = make_pane(top, STR_VOLUMES_PANE_TITLE);

        scroll = gtk_scrolled_window_new(NULL, NULL);
        gtk_widget_show(scroll);
        gtk_scrolled_window_set_policy(GTK_SCROLLED_WINDOW(scroll), GTK_POLICY_AUTOMATIC, GTK_POLICY_AUTOMATIC);
        volume_list = gtk_clist_new(1);
        gtk_widget_show(volume_list);
        gtk_clist_set_selection_mode(GTK_CLIST(volume_list), GTK_SELECTION_SINGLE);
        gtk_clist_set_shadow_type(GTK_CLIST(volume_list), GTK_SHADOW_NONE);
        gtk_clist_set_reorderable(GTK_CLIST(volume_list), true);
        gtk_signal_connect(GTK_OBJECT(volume_list), "select_row", GTK_SIGNAL_FUNC(cl_selected), NULL);
        char *str;
        int32 index = 0;
        while ((str = (char *)PrefsFindString("disk", index++)) != NULL)
                gtk_clist_append(GTK_CLIST(volume_list), &str);
        gtk_scrolled_window_add_with_viewport(GTK_SCROLLED_WINDOW(scroll), volume_list);
        gtk_box_pack_start(GTK_BOX(box), scroll, TRUE, TRUE, 0);
        selected_volume = 0;

        static const opt_desc buttons[] = {
                {STR_ADD_VOLUME_BUTTON, GTK_SIGNAL_FUNC(cb_add_volume)},
                {STR_CREATE_VOLUME_BUTTON, GTK_SIGNAL_FUNC(cb_create_volume)},
                {STR_REMOVE_VOLUME_BUTTON, GTK_SIGNAL_FUNC(cb_remove_volume)},
                {0, NULL},
        };
        make_button_box(box, 0, buttons);
        make_separator(box);

        w_extfs = make_entry(box, STR_EXTFS_CTRL, "extfs");

        static const opt_desc options[] = {
                {STR_BOOT_ANY_LAB, GTK_SIGNAL_FUNC(mn_boot_any)},
                {STR_BOOT_CDROM_LAB, GTK_SIGNAL_FUNC(mn_boot_cdrom)},
                {0, NULL}
        };
        int bootdriver = PrefsFindInt32("bootdriver"), active = 0;
        switch (bootdriver) {
                case 0: active = 0; break;
                case CDROMRefNum: active = 1; break;
        }
        menu = make_option_menu(box, STR_BOOTDRIVER_CTRL, options, active);

        make_checkbox(box, STR_NOCDROM_CTRL, "nocdrom", GTK_SIGNAL_FUNC(tb_nocdrom));
}


/*
 *  "Graphics/Sound" pane
 */

static GtkWidget *w_frameskip;

// "5 Hz".."60Hz" selected
static void mn_5hz(...) {PrefsReplaceInt32("frameskip", 12);}
static void mn_7hz(...) {PrefsReplaceInt32("frameskip", 8);}
static void mn_10hz(...) {PrefsReplaceInt32("frameskip", 6);}
static void mn_15hz(...) {PrefsReplaceInt32("frameskip", 4);}
static void mn_30hz(...) {PrefsReplaceInt32("frameskip", 2);}
static void mn_60hz(...) {PrefsReplaceInt32("frameskip", 1);}

// Video modes
static void tb_w640x480(GtkWidget *widget)
{
        if (GTK_TOGGLE_BUTTON(widget)->active)
                PrefsReplaceInt32("windowmodes", PrefsFindInt32("windowmodes") | 1);
        else
                PrefsReplaceInt32("windowmodes", PrefsFindInt32("windowmodes") & ~1);
}

static void tb_w800x600(GtkWidget *widget)
{
        if (GTK_TOGGLE_BUTTON(widget)->active)
                PrefsReplaceInt32("windowmodes", PrefsFindInt32("windowmodes") | 2);
        else
                PrefsReplaceInt32("windowmodes", PrefsFindInt32("windowmodes") & ~2);
}

static void tb_fs640x480(GtkWidget *widget)
{
        if (GTK_TOGGLE_BUTTON(widget)->active)
                PrefsReplaceInt32("screenmodes", PrefsFindInt32("screenmodes") | 1);
        else
                PrefsReplaceInt32("screenmodes", PrefsFindInt32("screenmodes") & ~1);
}

static void tb_fs800x600(GtkWidget *widget)
{
        if (GTK_TOGGLE_BUTTON(widget)->active)
                PrefsReplaceInt32("screenmodes", PrefsFindInt32("screenmodes") | 2);
        else
                PrefsReplaceInt32("screenmodes", PrefsFindInt32("screenmodes") & ~2);
}

static void tb_fs1024x768(GtkWidget *widget)
{
        if (GTK_TOGGLE_BUTTON(widget)->active)
                PrefsReplaceInt32("screenmodes", PrefsFindInt32("screenmodes") | 4);
        else
                PrefsReplaceInt32("screenmodes", PrefsFindInt32("screenmodes") & ~4);
}

static void tb_fs1152x900(GtkWidget *widget)
{
        if (GTK_TOGGLE_BUTTON(widget)->active)
                PrefsReplaceInt32("screenmodes", PrefsFindInt32("screenmodes") | 8);
        else
                PrefsReplaceInt32("screenmodes", PrefsFindInt32("screenmodes") & ~8);
}

static void tb_fs1280x1024(GtkWidget *widget)
{
        if (GTK_TOGGLE_BUTTON(widget)->active)
                PrefsReplaceInt32("screenmodes", PrefsFindInt32("screenmodes") | 16);
        else
                PrefsReplaceInt32("screenmodes", PrefsFindInt32("screenmodes") & ~16);
}

static void tb_fs1600x1200(GtkWidget *widget)
{
        if (GTK_TOGGLE_BUTTON(widget)->active)
                PrefsReplaceInt32("screenmodes", PrefsFindInt32("screenmodes") | 32);
        else
                PrefsReplaceInt32("screenmodes", PrefsFindInt32("screenmodes") & ~32);
}

// "Disable Sound Output" button toggled
static void tb_nosound(GtkWidget *widget)
{
        PrefsReplaceBool("nosound", GTK_TOGGLE_BUTTON(widget)->active);
}

// Read settings from widgets and set preferences
static void read_graphics_settings(void)
{
}

// Create "Graphics/Sound" pane
static void create_graphics_pane(GtkWidget *top)
{
        GtkWidget *box, *vbox, *frame;

        box = make_pane(top, STR_GRAPHICS_SOUND_PANE_TITLE);

        static const opt_desc options[] = {
                {STR_REF_5HZ_LAB, GTK_SIGNAL_FUNC(mn_5hz)},
                {STR_REF_7_5HZ_LAB, GTK_SIGNAL_FUNC(mn_7hz)},
                {STR_REF_10HZ_LAB, GTK_SIGNAL_FUNC(mn_10hz)},
                {STR_REF_15HZ_LAB, GTK_SIGNAL_FUNC(mn_15hz)},
                {STR_REF_30HZ_LAB, GTK_SIGNAL_FUNC(mn_30hz)},
                {STR_REF_60HZ_LAB, GTK_SIGNAL_FUNC(mn_60hz)},
                {0, NULL}
        };
        int frameskip = PrefsFindInt32("frameskip"), active = 0;
        switch (frameskip) {
                case 12: active = 0; break;
                case 8: active = 1; break;
                case 6: active = 2; break;
                case 4: active = 3; break;
                case 2: active = 4; break;
                case 1: active = 5; break;
        }
        w_frameskip = make_option_menu(box, STR_FRAMESKIP_CTRL, options, active);

        frame = gtk_frame_new (GetString(STR_VIDEO_MODE_CTRL));
        gtk_widget_show(frame);
        gtk_box_pack_start(GTK_BOX(box), frame, FALSE, FALSE, 0);

        vbox = gtk_vbox_new(FALSE, 4);
        gtk_widget_show(vbox);
        gtk_container_set_border_width(GTK_CONTAINER(vbox), 4);
        gtk_container_add(GTK_CONTAINER(frame), vbox);

        make_checkbox(vbox, STR_W_640x480_CTRL, PrefsFindInt32("windowmodes") & 1, GTK_SIGNAL_FUNC(tb_w640x480));
        make_checkbox(vbox, STR_W_800x600_CTRL, PrefsFindInt32("windowmodes") & 2, GTK_SIGNAL_FUNC(tb_w800x600));
        make_checkbox(vbox, STR_640x480_CTRL, PrefsFindInt32("screenmodes") & 1, GTK_SIGNAL_FUNC(tb_fs640x480));
        make_checkbox(vbox, STR_800x600_CTRL, PrefsFindInt32("screenmodes") & 2, GTK_SIGNAL_FUNC(tb_fs800x600));
        make_checkbox(vbox, STR_1024x768_CTRL, PrefsFindInt32("screenmodes") & 4, GTK_SIGNAL_FUNC(tb_fs1024x768));
        make_checkbox(vbox, STR_1152x900_CTRL, PrefsFindInt32("screenmodes") & 8, GTK_SIGNAL_FUNC(tb_fs1152x900));
        make_checkbox(vbox, STR_1280x1024_CTRL, PrefsFindInt32("screenmodes") & 16, GTK_SIGNAL_FUNC(tb_fs1280x1024));
        make_checkbox(vbox, STR_1600x1200_CTRL, PrefsFindInt32("screenmodes") & 32, GTK_SIGNAL_FUNC(tb_fs1600x1200));

        make_checkbox(box, STR_NOSOUND_CTRL, "nosound", GTK_SIGNAL_FUNC(tb_nosound));
}


/*
 *  "Serial/Network" pane
 */

static GtkWidget *w_seriala, *w_serialb, *w_ether;

// Read settings from widgets and set preferences
static void read_serial_settings(void)
{
        const char *str;

        str = gtk_entry_get_text(GTK_ENTRY(w_seriala));
        PrefsReplaceString("seriala", str);

        str = gtk_entry_get_text(GTK_ENTRY(w_serialb));
        PrefsReplaceString("serialb", str);

        str = gtk_entry_get_text(GTK_ENTRY(w_ether));
        if (str && strlen(str))
                PrefsReplaceString("ether", str);
        else
                PrefsRemoveItem("ether");
}

// Add names of serial devices
static gint gl_str_cmp(gconstpointer a, gconstpointer b)
{
        return strcmp((char *)a, (char *)b);
}

static GList *add_serial_names(void)
{
        GList *glist = NULL;

        // Search /dev for ttyS* and lp*
        DIR *d = opendir("/dev");
        if (d) {
                struct dirent *de;
                while ((de = readdir(d)) != NULL) {
                        if (strncmp(de->d_name, "ttyS", 4) == 0 || strncmp(de->d_name, "lp", 2) == 0) {
                                char *str = new char[64];
                                sprintf(str, "/dev/%s", de->d_name);
                                glist = g_list_append(glist, str);
                        }
                }
                closedir(d);
        }
        if (glist)
                g_list_sort(glist, gl_str_cmp);
        else
                glist = g_list_append(glist, (void *)"<none>");
        return glist;
}

// Add names of ethernet interfaces
static GList *add_ether_names(void)
{
        GList *glist = NULL;

        // Get list of all Ethernet interfaces
        int s = socket(PF_INET, SOCK_DGRAM, 0);
        if (s >= 0) {
                char inbuf[8192];
                struct ifconf ifc;
                ifc.ifc_len = sizeof(inbuf);
                ifc.ifc_buf = inbuf;
                if (ioctl(s, SIOCGIFCONF, &ifc) == 0) {
                        struct ifreq req, *ifr = ifc.ifc_req;
                        for (int i=0; i<ifc.ifc_len; i+=sizeof(ifreq), ifr++) {
                                req = *ifr;
                                if (ioctl(s, SIOCGIFHWADDR, &req) == 0 && req.ifr_hwaddr.sa_family == ARPHRD_ETHER) {
                                        char *str = new char[64];
                                        strncpy(str, ifr->ifr_name, 63);
                                        glist = g_list_append(glist, str);
                                }
                        }
                }
                close(s);
        }
        if (glist)
                g_list_sort(glist, gl_str_cmp);
        else
                glist = g_list_append(glist, (void *)"<none>");
        return glist;
}

// Create "Serial/Network" pane
static void create_serial_pane(GtkWidget *top)
{
        GtkWidget *box, *table, *label, *combo;
        GList *glist = add_serial_names();

        box = make_pane(top, STR_SERIAL_NETWORK_PANE_TITLE);
        table = make_table(box, 2, 3);

        label = gtk_label_new(GetString(STR_SERPORTA_CTRL));
        gtk_widget_show(label);
        gtk_table_attach(GTK_TABLE(table), label, 0, 1, 0, 1, (GtkAttachOptions)0, (GtkAttachOptions)0, 4, 4);

        combo = gtk_combo_new();
        gtk_widget_show(combo);
        gtk_combo_set_popdown_strings(GTK_COMBO(combo), glist);
        const char *str = PrefsFindString("seriala");
        if (str == NULL)
                str = "";
        gtk_entry_set_text(GTK_ENTRY(GTK_COMBO(combo)->entry), str); 
        gtk_table_attach(GTK_TABLE(table), combo, 1, 2, 0, 1, (GtkAttachOptions)(GTK_FILL | GTK_EXPAND), (GtkAttachOptions)0, 4, 4);
        w_seriala = GTK_COMBO(combo)->entry;

        label = gtk_label_new(GetString(STR_SERPORTB_CTRL));
        gtk_widget_show(label);
        gtk_table_attach(GTK_TABLE(table), label, 0, 1, 1, 2, (GtkAttachOptions)0, (GtkAttachOptions)0, 4, 4);

        combo = gtk_combo_new();
        gtk_widget_show(combo);
        gtk_combo_set_popdown_strings(GTK_COMBO(combo), glist);
        str = PrefsFindString("serialb");
        if (str == NULL)
                str = "";
        gtk_entry_set_text(GTK_ENTRY(GTK_COMBO(combo)->entry), str); 
        gtk_table_attach(GTK_TABLE(table), combo, 1, 2, 1, 2, (GtkAttachOptions)(GTK_FILL | GTK_EXPAND), (GtkAttachOptions)0, 4, 4);
        w_serialb = GTK_COMBO(combo)->entry;

        label = gtk_label_new(GetString(STR_ETHERNET_IF_CTRL));
        gtk_widget_show(label);
        gtk_table_attach(GTK_TABLE(table), label, 0, 1, 2, 3, (GtkAttachOptions)0, (GtkAttachOptions)0, 4, 4);

        glist = add_ether_names();
        combo = gtk_combo_new();
        gtk_widget_show(combo);
        gtk_combo_set_popdown_strings(GTK_COMBO(combo), glist);
        str = PrefsFindString("ether");
        if (str == NULL)
                str = "";
        gtk_entry_set_text(GTK_ENTRY(GTK_COMBO(combo)->entry), str); 
        gtk_table_attach(GTK_TABLE(table), combo, 1, 2, 2, 3, (GtkAttachOptions)(GTK_FILL | GTK_EXPAND), (GtkAttachOptions)0, 4, 4);
        w_ether = GTK_COMBO(combo)->entry;
}


/*
 *  "Memory/Misc" pane
 */

static GtkObject *w_ramsize_adj;
static GtkWidget *w_rom_file;

// "Ignore SEGV" button toggled
static void tb_ignoresegv(GtkWidget *widget)
{
        PrefsReplaceBool("ignoresegv", GTK_TOGGLE_BUTTON(widget)->active);
}

// Read settings from widgets and set preferences
static void read_memory_settings(void)
{
        PrefsReplaceInt32("ramsize", int(GTK_ADJUSTMENT(w_ramsize_adj)->value) << 20);

        const char *str = gtk_entry_get_text(GTK_ENTRY(w_rom_file));
        if (str && strlen(str))
                PrefsReplaceString("rom", str);
        else
                PrefsRemoveItem("rom");
}

// Create "Memory/Misc" pane
static void create_memory_pane(GtkWidget *top)
{
        GtkWidget *box, *vbox, *hbox, *hbox2, *label, *scale;

        box = make_pane(top, STR_MEMORY_MISC_PANE_TITLE);

        hbox = gtk_hbox_new(FALSE, 4);
        gtk_widget_show(hbox);

        label = gtk_label_new(GetString(STR_RAMSIZE_SLIDER));
        gtk_widget_show(label);
        gtk_box_pack_start(GTK_BOX(hbox), label, FALSE, FALSE, 0);

        vbox = gtk_vbox_new(FALSE, 4);
        gtk_widget_show(vbox);

        gfloat min, max;
        min = 1;
        max = 256;
        w_ramsize_adj = gtk_adjustment_new(min, min, max, 1, 16, 0);
        gtk_adjustment_set_value(GTK_ADJUSTMENT(w_ramsize_adj), PrefsFindInt32("ramsize") >> 20);

        scale = gtk_hscale_new(GTK_ADJUSTMENT(w_ramsize_adj));
        gtk_widget_show(scale);
        gtk_scale_set_digits(GTK_SCALE(scale), 0);
        gtk_box_pack_start(GTK_BOX(vbox), scale, TRUE, TRUE, 0);

        hbox2 = gtk_hbox_new(FALSE, 4);
        gtk_widget_show(hbox2);

        char val[32];
        sprintf(val, GetString(STR_RAMSIZE_FMT), int(min));
        label = gtk_label_new(val);
        gtk_widget_show(label);
        gtk_box_pack_start(GTK_BOX(hbox2), label, FALSE, FALSE, 0);

        sprintf(val, GetString(STR_RAMSIZE_FMT), int(max));
        label = gtk_label_new(val);
        gtk_widget_show(label);
        gtk_box_pack_end(GTK_BOX(hbox2), label, FALSE, FALSE, 0);
        gtk_box_pack_start(GTK_BOX(vbox), hbox2, TRUE, TRUE, 0);
        gtk_box_pack_start(GTK_BOX(hbox), vbox, TRUE, TRUE, 0);
        gtk_box_pack_start(GTK_BOX(box), hbox, FALSE, FALSE, 0);

        w_rom_file = make_entry(box, STR_ROM_FILE_CTRL, "rom");

        make_checkbox(box, STR_IGNORESEGV_CTRL, "ignoresegv", GTK_SIGNAL_FUNC(tb_ignoresegv));
}


/*
 *  Read settings from widgets and set preferences
 */

static void read_settings(void)
{
        read_volumes_settings();
        read_graphics_settings();
        read_serial_settings();
        read_memory_settings();
}
Revision:	1.1
Committed:	2002-02-04T16:58:13Z (22 years, 4 months ago) by cebix
Branch:	MAIN
Branch point for:	cebix
Log Message:	Initial revision