code:
//-------------------------------------------------------------------------
/*
Copyright (C) 2010 EDuke32 developers and contributors

This file is part of EDuke32.

EDuke32 is free software; you can redistribute it and/or
modify it under the terms of the GNU General Public License version 2
as published by the Free Software Foundation.

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., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
*/
//-------------------------------------------------------------------------

#include "build.h"
#include "common.h"
#include "compat.h"
#include "keyboard.h"
#include "control.h"
#include "config.h"
#include "tekwar.h"
#include "dynamicgtk.h"
#include "grpscan.h"
#include "gtkpixdata.h"

enum
{
    NONE,
    ALL,
    POPULATE_VIDEO,
    POPULATE_CONFIG,
    POPULATE_GAME,
};

enum
{
    TAB_CONFIG,
    TAB_GAME,
    TAB_MESSAGES,
};

enum
{
    INPUT_KB,
    INPUT_MOUSE,
    INPUT_JOYSTICK,
    INPUT_ALL,
};

static struct
{
    GtkWidget *startwin;
    GtkWidget *hlayout;
    GtkWidget *banner;
    GtkWidget *vlayout;
    GtkWidget *tabs;
    GtkWidget *configtlayout;
    GtkWidget *displayvlayout;
    GtkWidget *vmode3dlabel;
    GtkWidget *vmode3dcombo;
    GtkWidget *fullscreencheck;
#ifdef POLYMER
    GtkWidget *polymercheck;
#endif
    GtkWidget *inputdevlabel;
    GtkWidget *inputdevcombo;
    GtkWidget *custommodlabel;
    GtkWidget *custommodcombo;
    GtkWidget *emptyhlayout;
    GtkWidget *autoloadcheck;
    GtkWidget *alwaysshowcheck;
    GtkWidget *configtab;
    GtkWidget *gamevlayout;
    GtkWidget *gamelabel;
    GtkWidget *gamescroll;
    GtkWidget *gamelist;
    GtkWidget *gametab;
    GtkWidget *messagesscroll;
    GtkWidget *messagestext;
    GtkWidget *messagestab;
    GtkWidget *buttons;
    GtkWidget *cancelbutton;
    GtkWidget *cancelbuttonalign;
    GtkWidget *cancelbuttonlayout;
    GtkWidget *cancelbuttonicon;
    GtkWidget *cancelbuttonlabel;
    GtkWidget *startbutton;
    GtkWidget *startbuttonalign;
    GtkWidget *startbuttonlayout;
    GtkWidget *startbuttonicon;
    GtkWidget *startbuttonlabel;
} stwidgets;

static struct
{
    grpfile_t const * grp;
    char *gamedir;
    ud_setup_t shared;
#ifdef POLYMER
    int polymer;
#endif
} settings;

static int32_t retval = -1, mode = TAB_MESSAGES;
extern int32_t gtkenabled;
static void PopulateForm(unsigned char pgs);

// -- EVENT CALLBACKS AND CREATION STUFF --------------------------------------

static void on_vmode3dcombo_changed(GtkComboBox *combobox, gpointer user_data)
{
    GtkTreeModel *data;
    GtkTreeIter iter;
    int32_t val;
    UNREFERENCED_PARAMETER(user_data);

    if (!gtk_combo_box_get_active_iter(combobox, &iter)) return;
    if (!(data = gtk_combo_box_get_model(combobox))) return;
    gtk_tree_model_get(data, &iter, 1, &val, -1);
    settings.shared.xdim = validmode[val].xdim;
    settings.shared.ydim = validmode[val].ydim;
    settings.shared.bpp = validmode[val].bpp;
}

static void on_fullscreencheck_toggled(GtkToggleButton *togglebutton, gpointer user_data)
{
    UNREFERENCED_PARAMETER(user_data);
    settings.shared.fullscreen = gtk_toggle_button_get_active(togglebutton);
    PopulateForm(POPULATE_VIDEO);
}

#ifdef POLYMER
static void on_polymercheck_toggled(GtkToggleButton *togglebutton, gpointer user_data)
{
    UNREFERENCED_PARAMETER(user_data);
    if (gtk_toggle_button_get_active(togglebutton))
    {
        glrendmode = REND_POLYMER;
        settings.polymer = TRUE;
        if (settings.shared.bpp == 8)
        {
            settings.shared.bpp = 32;
            PopulateForm(POPULATE_VIDEO);
        }
    }
    else
    {
        glrendmode = REND_POLYMOST;
        settings.polymer = FALSE;
    }
}
#endif

static void on_inputdevcombo_changed(GtkComboBox *combobox, gpointer user_data)
{
    UNREFERENCED_PARAMETER(user_data);
    switch (gtk_combo_box_get_active(combobox))
    {
    case 0: settings.shared.usemouse = 0; settings.shared.usejoystick = 0; break;
    case 1:	settings.shared.usemouse = 1; settings.shared.usejoystick = 0; break;
    case 2:	settings.shared.usemouse = 0; settings.shared.usejoystick = 1; break;
    case 3:	settings.shared.usemouse = 1; settings.shared.usejoystick = 1; break;
    }
}

static void on_custommodcombo_changed(GtkComboBox *combobox, gpointer user_data)
{
    GtkTreeIter iter;
    GtkTreeModel *model;
    GtkTreePath *path;
    char *value;
    UNREFERENCED_PARAMETER(user_data);

    if (gtk_combo_box_get_active_iter(combobox, &iter))
    {
        model = gtk_combo_box_get_model(combobox);
        gtk_tree_model_get(model, &iter, 0,&value, -1);
        path = gtk_tree_model_get_path(model, &iter);

        if (*gtk_tree_path_get_indices(path) == NONE)
            settings.gamedir = NULL;
        else settings.gamedir = value;
    }
}

static void on_autoloadcheck_toggled(GtkToggleButton *togglebutton, gpointer user_data)
{
    UNREFERENCED_PARAMETER(user_data);
    settings.shared.noautoload = !gtk_toggle_button_get_active(togglebutton);
}

static void on_alwaysshowcheck_toggled(GtkToggleButton *togglebutton, gpointer user_data)
{
    UNREFERENCED_PARAMETER(user_data);
    settings.shared.forcesetup = gtk_toggle_button_get_active(togglebutton);
}

static void on_cancelbutton_clicked(GtkButton *button, gpointer user_data)
{
    UNREFERENCED_PARAMETER(button);
    UNREFERENCED_PARAMETER(user_data);
    if (mode == TAB_CONFIG) { retval = 0; gtk_main_quit(); }
    else quitevent++;
}

static void on_startbutton_clicked(GtkButton *button, gpointer user_data)
{
    UNREFERENCED_PARAMETER(button);
    UNREFERENCED_PARAMETER(user_data);
    retval = 1;
    gtk_main_quit();
}

static void on_gamelist_selection_changed(GtkTreeSelection *selection, gpointer user_data)
{
    GtkTreeIter iter;
    GtkTreeModel *model;
    UNREFERENCED_PARAMETER(user_data);

    if (gtk_tree_selection_get_selected(selection, &model, &iter))
    {
        grpfile_t const *fg;
        gtk_tree_model_get(model, &iter, 2, (gpointer)&fg, -1);
        settings.grp = fg;
    }
}

static gboolean on_startwin_delete_event(GtkWidget *widget, GdkEvent *event, gpointer user_data)
{
    UNREFERENCED_PARAMETER(widget);
    UNREFERENCED_PARAMETER(event);
    UNREFERENCED_PARAMETER(user_data);
    if (mode == TAB_CONFIG) { retval = 0; gtk_main_quit(); }
    else quitevent++;
    return TRUE;	// FALSE would let the event go through. we want the game to decide when to close
}

// -- SUPPORT FUNCTIONS -------------------------------------------------------

static GdkPixbuf *load_banner(void)
{
    return gdk_pixbuf_from_pixdata((GdkPixdata const *)&startbanner_pixdata, FALSE, NULL);
}

static void SetPage(int32_t n)
{
    if (!gtkenabled || !stwidgets.startwin) return;
    mode = n;
    gtk_notebook_set_current_page(GTK_NOTEBOOK(stwidgets.tabs), n);

    // each control in the config page vertical layout plus the start button should be made (in)sensitive
    if (n == TAB_CONFIG) n = TRUE; else n = FALSE;
    gtk_widget_set_sensitive(stwidgets.startbutton, n);
    gtk_container_foreach(GTK_CONTAINER(stwidgets.configtlayout),
                          (GtkCallback)gtk_widget_set_sensitive,
                          (gpointer)&n);
}

static unsigned char GetModsDirNames(GtkListStore *list)
{
    char *homedir;
    char pdir[BMAX_PATH];
    unsigned char iternumb = 0;
    BUILDVFS_FIND_REC *dirs = NULL;
    GtkTreeIter iter;

    pathsearchmode = 1;

    if ((homedir = Bgethomedir()))
    {
        Bsnprintf(pdir, sizeof(pdir), "%s/" ".eduke32", homedir);
        dirs = klistpath(pdir, "*", BUILDVFS_FIND_DIR);
        for (; dirs != NULL; dirs=dirs->next)
        {
            if ((Bstrcmp(dirs->name, "autoload") == 0) ||
                    (Bstrcmp(dirs->name, "..") == 0) ||
                    (Bstrcmp(dirs->name, ".") == 0))
                continue;
            else
            {
                gtk_list_store_append(list, &iter);
                gtk_list_store_set(list, &iter, 0,dirs->name, -1);
                iternumb++;
            }
        }
    }

    klistfree(dirs);
    dirs = NULL;

    return iternumb;
}

static void PopulateForm(unsigned char pgs)
{
    if ((pgs == ALL) || (pgs == POPULATE_VIDEO))
    {
        int32_t mode3d, i;
        GtkListStore *modes3d;
        GtkTreeIter iter;
        char buf[64];

        mode3d = videoCheckMode(&settings.shared.xdim, &settings.shared.ydim, settings.shared.bpp, settings.shared.fullscreen, 1);
        if (mode3d < 0)
        {
            int32_t i, cd[] = { 32, 24, 16, 15, 8, 0 };

            for (i=0; cd[i];) { if (cd[i] >= settings.shared.bpp) i++; else break; }
            for (; cd[i]; i++)
            {
                mode3d = videoCheckMode(&settings.shared.xdim, &settings.shared.ydim, cd[i], settings.shared.fullscreen, 1);
                if (mode3d < 0) continue;
                settings.shared.bpp = cd[i];
                break;
            }
        }

        modes3d = GTK_LIST_STORE(gtk_combo_box_get_model(GTK_COMBO_BOX(stwidgets.vmode3dcombo)));
        gtk_list_store_clear(modes3d);

        for (i=0; i<validmodecnt; i++)
        {
            if (validmode[i].fs != settings.shared.fullscreen) continue;

            // all modes get added to the 3D mode list
            Bsprintf(buf, "%dx%d %s", validmode[i].xdim, validmode[i].ydim, validmode[i].bpp == 8 ? "software" : "OpenGL");
            gtk_list_store_append(modes3d, &iter);
            gtk_list_store_set(modes3d, &iter, 0,buf, 1,i, -1);
            if (i == mode3d)
            {
                g_signal_handlers_block_by_func(stwidgets.vmode3dcombo, (gpointer)on_vmode3dcombo_changed, NULL);
                gtk_combo_box_set_active_iter(GTK_COMBO_BOX(stwidgets.vmode3dcombo), &iter);
                g_signal_handlers_unblock_by_func(stwidgets.vmode3dcombo, (gpointer)on_vmode3dcombo_changed, NULL);
            }
        }
    }

    if ((pgs == ALL) || (pgs == POPULATE_CONFIG))
    {
        GtkListStore *devlist, *modsdir;
        GtkTreeIter iter;
        GtkTreePath *path;
        char *value;
        unsigned char i, r = 0;
        const char *availabledev[] =
        {
            "Keyboard only",
            "Keyboard and mouse",
            "Keyboard and joystick",
            "All supported devices"
        };

        // populate input devices combo
        devlist = GTK_LIST_STORE(gtk_combo_box_get_model(GTK_COMBO_BOX(stwidgets.inputdevcombo)));
        gtk_list_store_clear(devlist);

        for (i=0; i<(int32_t)G_N_ELEMENTS(availabledev); i++)
        {
            gtk_list_store_append(devlist, &iter);
            gtk_list_store_set(devlist, &iter, 0,availabledev[i], -1);
        }
        switch (settings.shared.usemouse)
        {
        case 0: if (settings.shared.usejoystick)
                gtk_combo_box_set_active(GTK_COMBO_BOX(stwidgets.inputdevcombo), INPUT_JOYSTICK);
            else
                gtk_combo_box_set_active(GTK_COMBO_BOX(stwidgets.inputdevcombo), INPUT_KB);
            break;
        case 1:	if (settings.shared.usejoystick)
                gtk_combo_box_set_active(GTK_COMBO_BOX(stwidgets.inputdevcombo), INPUT_ALL);
            else
                gtk_combo_box_set_active(GTK_COMBO_BOX(stwidgets.inputdevcombo), INPUT_MOUSE);
            break;
        }

        // populate custom mod combo
        modsdir = GTK_LIST_STORE(gtk_combo_box_get_model(GTK_COMBO_BOX(stwidgets.custommodcombo)));
        gtk_list_store_clear(modsdir);

        gtk_list_store_append(modsdir, &iter);
        gtk_list_store_set(modsdir, &iter, 0,"None", -1);
        r = GetModsDirNames(modsdir);

        for (i=0; i<=r; i++)
        {
            path = gtk_tree_path_new_from_indices(i, -1);
            gtk_tree_model_get_iter(GTK_TREE_MODEL(modsdir), &iter, path);
            gtk_tree_model_get(GTK_TREE_MODEL(modsdir), &iter, 0,&value, -1);

            if (Bstrcmp(settings.gamedir, "/") == 0)
            {
                gtk_combo_box_set_active(GTK_COMBO_BOX(stwidgets.custommodcombo), NONE);
                settings.gamedir = NULL;

                break;
            }
            if (Bstrcmp(settings.gamedir, value) == 0)
            {
                gtk_combo_box_set_active_iter(GTK_COMBO_BOX(stwidgets.custommodcombo),
                                              &iter);

                break;
            }
        }

        // populate check buttons
        gtk_toggle_button_set_active(GTK_TOGGLE_BUTTON(stwidgets.fullscreencheck), settings.shared.fullscreen);
#ifdef POLYMER
        gtk_toggle_button_set_active(GTK_TOGGLE_BUTTON(stwidgets.polymercheck), settings.polymer);
#endif
        gtk_toggle_button_set_active(GTK_TOGGLE_BUTTON(stwidgets.autoloadcheck), !settings.shared.noautoload);
        gtk_toggle_button_set_active(GTK_TOGGLE_BUTTON(stwidgets.alwaysshowcheck), settings.shared.forcesetup);
    }

    if ((pgs == ALL) || (pgs == POPULATE_GAME))
    {
        GtkListStore *list;
        GtkTreeIter iter;
        GtkTreeView *gamelist;

        gamelist = GTK_TREE_VIEW(stwidgets.gamelist);
        list = GTK_LIST_STORE(gtk_tree_view_get_model(gamelist));
        gtk_list_store_clear(list);

        for (grpfile_t const * fg = foundgrps; fg; fg=fg->next)
        {
            gtk_list_store_append(list, &iter);
            gtk_list_store_set(list, &iter, 0, fg->type->name, 1, fg->filename, 2, (void const *)fg, -1);
            if (settings.grp == fg)
            {
                GtkTreeSelection *sel = gtk_tree_view_get_selection(gamelist);
                g_signal_handlers_block_by_func(sel, (gpointer)on_gamelist_selection_changed, NULL);
                gtk_tree_selection_select_iter(sel, &iter);
                g_signal_handlers_unblock_by_func(sel, (gpointer)on_gamelist_selection_changed, NULL);
            }
        }
    }
}

static gint name_sorter(GtkTreeModel *model, GtkTreeIter *a, GtkTreeIter *b, gpointer user_data)
{
    gchar *as, *bs;
    gint r;
    UNREFERENCED_PARAMETER(user_data);
    gtk_tree_model_get(model, a, 0, &as, -1);
    gtk_tree_model_get(model, b, 0, &bs, -1);

    r = g_utf8_collate(as,bs);

    g_free(as);
    g_free(bs);

    return r;
}

static GtkWidget *create_window(void)
{
    // Basic window
    stwidgets.startwin = gtk_window_new(GTK_WINDOW_TOPLEVEL);
    gtk_window_set_title(GTK_WINDOW(stwidgets.startwin), apptitle);	// NOTE: use global app title
    gtk_window_set_position(GTK_WINDOW(stwidgets.startwin), GTK_WIN_POS_CENTER);
    gtk_window_set_resizable(GTK_WINDOW(stwidgets.startwin), FALSE);
    gtk_window_set_type_hint(GTK_WINDOW(stwidgets.startwin), GDK_WINDOW_TYPE_HINT_DIALOG);

    // Horizontal layout of banner and controls
    stwidgets.hlayout = gtk_hbox_new(FALSE, 0);
    gtk_container_add(GTK_CONTAINER(stwidgets.startwin), stwidgets.hlayout);

    // banner
    {
        GdkPixbuf *pixbuf = load_banner();
        stwidgets.banner = gtk_image_new_from_pixbuf(pixbuf);
        g_object_unref((gpointer)pixbuf);
    }
    gtk_box_pack_start(GTK_BOX(stwidgets.hlayout), stwidgets.banner, FALSE, FALSE, 0);
    gtk_misc_set_alignment(GTK_MISC(stwidgets.banner), 0.5, 0);

    // Vertical layout of tab control and start+cancel buttons
    stwidgets.vlayout = gtk_vbox_new(FALSE, 0);
    gtk_box_pack_start(GTK_BOX(stwidgets.hlayout), stwidgets.vlayout, TRUE, TRUE, 0);

    // Tab control
    stwidgets.tabs = gtk_notebook_new();
    gtk_box_pack_start(GTK_BOX(stwidgets.vlayout), stwidgets.tabs, TRUE, TRUE, 0);
    gtk_container_set_border_width(GTK_CONTAINER(stwidgets.tabs), 4);

    // layout table of config page
    stwidgets.configtlayout = gtk_table_new(6, 3, FALSE);
    gtk_container_add(GTK_CONTAINER(stwidgets.tabs), stwidgets.configtlayout);

    // 3D video mode LabelText
    stwidgets.vmode3dlabel = gtk_label_new_with_mnemonic("_Video mode:");
    gtk_misc_set_alignment(GTK_MISC(stwidgets.vmode3dlabel), 0.3, 0);
#ifdef POLYMER
    gtk_table_attach(GTK_TABLE(stwidgets.configtlayout), stwidgets.vmode3dlabel, 0,1, 0,1, GTK_FILL, (GtkAttachOptions)0, 4, 0);
#else
    gtk_table_attach(GTK_TABLE(stwidgets.configtlayout), stwidgets.vmode3dlabel, 0,1, 0,1, GTK_FILL, (GtkAttachOptions)0, 4, 7);
#endif

    // 3D video mode combo
    {
        GtkListStore *list = gtk_list_store_new(2, G_TYPE_STRING, G_TYPE_INT);
        GtkCellRenderer *cell;

        stwidgets.vmode3dcombo = gtk_combo_box_new_with_model(GTK_TREE_MODEL(list));
        g_object_unref(G_OBJECT(list));

        cell = gtk_cell_renderer_text_new();
        gtk_cell_layout_pack_start(GTK_CELL_LAYOUT(stwidgets.vmode3dcombo), cell, FALSE);
        gtk_cell_layout_set_attributes(GTK_CELL_LAYOUT(stwidgets.vmode3dcombo), cell, "text", 0, NULL);
    }

#ifdef POLYMER
   gtk_table_attach(GTK_TABLE(stwidgets.configtlayout), stwidgets.vmode3dcombo, 1,2, 0,1,
       (GtkAttachOptions)(GTK_EXPAND | GTK_FILL), (GtkAttachOptions)0, 4, 0);
#else
   gtk_table_attach(GTK_TABLE(stwidgets.configtlayout), stwidgets.vmode3dcombo, 1,2, 0,1, (GtkAttachOptions)(GTK_EXPAND | GTK_FILL), (GtkAttachOptions)0, 4, 7);
#endif

    // Fullscreen checkbox
    stwidgets.displayvlayout = gtk_vbox_new(TRUE, 0);
#ifdef POLYMER
    gtk_table_attach(GTK_TABLE(stwidgets.configtlayout), stwidgets.displayvlayout, 2,3, 0,1, GTK_FILL, (GtkAttachOptions)0, 4, 0);
#else
    gtk_table_attach(GTK_TABLE(stwidgets.configtlayout), stwidgets.displayvlayout, 2,3, 0,1, GTK_FILL, (GtkAttachOptions)0, 4, 7);
#endif

    stwidgets.fullscreencheck = gtk_check_button_new_with_mnemonic("_Fullscreen");
    gtk_box_pack_start(GTK_BOX(stwidgets.displayvlayout), stwidgets.fullscreencheck, FALSE, FALSE, 0);

#ifdef POLYMER
    // Polymer checkbox
    stwidgets.polymercheck = gtk_check_button_new_with_mnemonic("_Polymer");
    gtk_box_pack_start(GTK_BOX(stwidgets.displayvlayout), stwidgets.polymercheck, FALSE, FALSE, 0);
#endif

    // Input devices LabelText
    stwidgets.inputdevlabel = gtk_label_new_with_mnemonic("_Input devices:");
    gtk_misc_set_alignment(GTK_MISC(stwidgets.inputdevlabel), 0.3, 0);
    gtk_table_attach(GTK_TABLE(stwidgets.configtlayout), stwidgets.inputdevlabel, 0,1, 1,2, GTK_FILL, (GtkAttachOptions)0, 4, 0);

    // Input devices combo
    {
        GtkListStore *list = gtk_list_store_new(1, G_TYPE_STRING);
        GtkCellRenderer *cell;

        stwidgets.inputdevcombo = gtk_combo_box_new_with_model(GTK_TREE_MODEL(list));
        g_object_unref(G_OBJECT(list));

        cell = gtk_cell_renderer_text_new();
        gtk_cell_layout_pack_start(GTK_CELL_LAYOUT(stwidgets.inputdevcombo), cell, FALSE);
        gtk_cell_layout_set_attributes(GTK_CELL_LAYOUT(stwidgets.inputdevcombo), cell, "text", 0, NULL);
    }
    gtk_table_attach(GTK_TABLE(stwidgets.configtlayout), stwidgets.inputdevcombo, 1,2, 1,2,
        (GtkAttachOptions)(GTK_EXPAND | GTK_FILL), (GtkAttachOptions)0, 4, 0);

    // Custom mod LabelText
    stwidgets.custommodlabel = gtk_label_new_with_mnemonic("Custom _game:");
    gtk_misc_set_alignment(GTK_MISC(stwidgets.custommodlabel), 0.3, 0);
    gtk_table_attach(GTK_TABLE(stwidgets.configtlayout), stwidgets.custommodlabel, 0,1, 2,3, GTK_FILL, (GtkAttachOptions)0, 4, 7);

    // Custom mod combo
    {
        GtkListStore *list = gtk_list_store_new(1, G_TYPE_STRING);
        GtkCellRenderer *cell;

        stwidgets.custommodcombo = gtk_combo_box_new_with_model(GTK_TREE_MODEL(list));
        g_object_unref(G_OBJECT(list));

        cell = gtk_cell_renderer_text_new();
        gtk_cell_layout_pack_start(GTK_CELL_LAYOUT(stwidgets.custommodcombo), cell, FALSE);
        gtk_cell_layout_set_attributes(GTK_CELL_LAYOUT(stwidgets.custommodcombo), cell, "text", 0, NULL);
    }
    gtk_table_attach(GTK_TABLE(stwidgets.configtlayout), stwidgets.custommodcombo, 1,2, 2,3,
        (GtkAttachOptions)(GTK_EXPAND | GTK_FILL), (GtkAttachOptions)0, 4, 7);

    // Empty horizontal layout
    stwidgets.emptyhlayout = gtk_hbox_new(TRUE, 0);
    gtk_table_attach(GTK_TABLE(stwidgets.configtlayout), stwidgets.emptyhlayout, 0,3, 3,4, (GtkAttachOptions)0,
        (GtkAttachOptions)(GTK_EXPAND | GTK_FILL), 4, 0);

    // Autoload checkbox
    stwidgets.autoloadcheck = gtk_check_button_new_with_mnemonic("_Enable \"autoload\" folder");
    gtk_table_attach(GTK_TABLE(stwidgets.configtlayout), stwidgets.autoloadcheck, 0,3, 4,5, GTK_FILL, (GtkAttachOptions)0, 2, 2);

    // Always show config checkbox
    stwidgets.alwaysshowcheck = gtk_check_button_new_with_mnemonic("_Always show this window at startup");
    gtk_table_attach(GTK_TABLE(stwidgets.configtlayout), stwidgets.alwaysshowcheck, 0,3, 5,6, GTK_FILL, (GtkAttachOptions)0, 2, 2);

    // Configuration tab
    stwidgets.configtab = gtk_label_new("Configuration");
    gtk_notebook_set_tab_label(GTK_NOTEBOOK(stwidgets.tabs), gtk_notebook_get_nth_page(GTK_NOTEBOOK(stwidgets.tabs), 0), stwidgets.configtab);

    // Game data layout
    stwidgets.gamevlayout = gtk_vbox_new(FALSE, 0);
    gtk_container_add(GTK_CONTAINER(stwidgets.tabs), stwidgets.gamevlayout);
    gtk_container_set_border_width(GTK_CONTAINER(stwidgets.gamevlayout), 4);

    // Game data field LabelText
    stwidgets.gamelabel = gtk_label_new_with_mnemonic("_Game:");
    gtk_box_pack_start(GTK_BOX(stwidgets.gamevlayout), stwidgets.gamelabel, FALSE, FALSE, 0);
    gtk_misc_set_alignment(GTK_MISC(stwidgets.gamelabel), 0, 0.5);

    // Game data scrollable area
    stwidgets.gamescroll = gtk_scrolled_window_new(NULL, NULL);
    gtk_box_pack_start(GTK_BOX(stwidgets.gamevlayout), stwidgets.gamescroll, TRUE, TRUE, 0);
    gtk_scrolled_window_set_policy(GTK_SCROLLED_WINDOW(stwidgets.gamescroll), GTK_POLICY_NEVER, GTK_POLICY_AUTOMATIC);
    gtk_scrolled_window_set_shadow_type(GTK_SCROLLED_WINDOW(stwidgets.gamescroll), GTK_SHADOW_IN);

    // Game data list
    {
        GtkListStore *list = gtk_list_store_new(3, G_TYPE_STRING, G_TYPE_STRING, G_TYPE_POINTER);
        GtkCellRenderer *cell;
        GtkTreeViewColumn *col;

        gtk_tree_sortable_set_sort_func(GTK_TREE_SORTABLE(list), 0, name_sorter, NULL, NULL);
        gtk_tree_sortable_set_sort_column_id(GTK_TREE_SORTABLE(list), 0, GTK_SORT_ASCENDING);

        stwidgets.gamelist = gtk_tree_view_new_with_model(GTK_TREE_MODEL(list));
        g_object_unref(G_OBJECT(list));

        cell = gtk_cell_renderer_text_new();
        col = gtk_tree_view_column_new_with_attributes("Game", cell, "text", 0, NULL);
        gtk_tree_view_column_set_expand(col, TRUE);
        gtk_tree_view_append_column(GTK_TREE_VIEW(stwidgets.gamelist), col);
        col = gtk_tree_view_column_new_with_attributes("GRP file", cell, "text", 1, NULL);
        gtk_tree_view_column_set_min_width(col, 64);
        gtk_tree_view_append_column(GTK_TREE_VIEW(stwidgets.gamelist), col);
    }
    gtk_container_add(GTK_CONTAINER(stwidgets.gamescroll), stwidgets.gamelist);

    gtk_tree_view_set_headers_visible(GTK_TREE_VIEW(stwidgets.gamelist), FALSE);
    gtk_tree_view_set_enable_search(GTK_TREE_VIEW(stwidgets.gamelist), FALSE);

    // Game tab
    stwidgets.gametab = gtk_label_new("Game");
    gtk_notebook_set_tab_label(GTK_NOTEBOOK(stwidgets.tabs), gtk_notebook_get_nth_page(GTK_NOTEBOOK(stwidgets.tabs), 1), stwidgets.gametab);

    // Messages scrollable area
    stwidgets.messagesscroll = gtk_scrolled_window_new(NULL, NULL);
    gtk_container_add(GTK_CONTAINER(stwidgets.tabs), stwidgets.messagesscroll);
    gtk_scrolled_window_set_policy(GTK_SCROLLED_WINDOW(stwidgets.messagesscroll), GTK_POLICY_NEVER, GTK_POLICY_ALWAYS);

    // Messages text area
    stwidgets.messagestext = gtk_text_view_new();
    gtk_container_add(GTK_CONTAINER(stwidgets.messagesscroll), stwidgets.messagestext);
    gtk_text_view_set_editable(GTK_TEXT_VIEW(stwidgets.messagestext), FALSE);
    gtk_text_view_set_wrap_mode(GTK_TEXT_VIEW(stwidgets.messagestext), GTK_WRAP_WORD);
    gtk_text_view_set_cursor_visible(GTK_TEXT_VIEW(stwidgets.messagestext), FALSE);
    gtk_text_view_set_left_margin(GTK_TEXT_VIEW(stwidgets.messagestext), 2);
    gtk_text_view_set_right_margin(GTK_TEXT_VIEW(stwidgets.messagestext), 2);

    // Messages tab
    stwidgets.messagestab = gtk_label_new("Messages");
    gtk_notebook_set_tab_label(GTK_NOTEBOOK(stwidgets.tabs), gtk_notebook_get_nth_page(GTK_NOTEBOOK(stwidgets.tabs), 2), stwidgets.messagestab);

    // Dialogue box buttons layout
    stwidgets.buttons = gtk_hbutton_box_new();
    gtk_box_pack_start(GTK_BOX(stwidgets.vlayout), stwidgets.buttons, FALSE, TRUE, 0);
    gtk_container_set_border_width(GTK_CONTAINER(stwidgets.buttons), 3);
    gtk_button_box_set_layout(GTK_BUTTON_BOX(stwidgets.buttons), GTK_BUTTONBOX_END);

    // Cancel button
    stwidgets.cancelbutton = gtk_button_new();
    gtk_container_add(GTK_CONTAINER(stwidgets.buttons), stwidgets.cancelbutton);
    GTK_WIDGET_SET_FLAGS(stwidgets.cancelbutton, GTK_CAN_DEFAULT);

    stwidgets.cancelbuttonalign = gtk_alignment_new(0.5, 0.5, 0, 0);
    gtk_container_add(GTK_CONTAINER(stwidgets.cancelbutton), stwidgets.cancelbuttonalign);

    stwidgets.cancelbuttonlayout = gtk_hbox_new(FALSE, 2);
    gtk_container_add(GTK_CONTAINER(stwidgets.cancelbuttonalign), stwidgets.cancelbuttonlayout);

    stwidgets.cancelbuttonicon = gtk_image_new_from_stock("gtk-cancel", GTK_ICON_SIZE_BUTTON);
    gtk_box_pack_start(GTK_BOX(stwidgets.cancelbuttonlayout), stwidgets.cancelbuttonicon, FALSE, FALSE, 0);

    stwidgets.cancelbuttonlabel = gtk_label_new_with_mnemonic("_Cancel");
    gtk_box_pack_start(GTK_BOX(stwidgets.cancelbuttonlayout), stwidgets.cancelbuttonlabel, FALSE, FALSE, 0);

    // Start button
    stwidgets.startbutton = gtk_button_new();
    gtk_container_add(GTK_CONTAINER(stwidgets.buttons), stwidgets.startbutton);
    GTK_WIDGET_SET_FLAGS(stwidgets.startbutton, GTK_CAN_DEFAULT);

    gtk_window_set_default(GTK_WINDOW(stwidgets.startwin), stwidgets.startbutton);

    stwidgets.startbuttonalign = gtk_alignment_new(0.5, 0.5, 0, 0);
    gtk_container_add(GTK_CONTAINER(stwidgets.startbutton), stwidgets.startbuttonalign);

    stwidgets.startbuttonlayout = gtk_hbox_new(FALSE, 2);
    gtk_container_add(GTK_CONTAINER(stwidgets.startbuttonalign), stwidgets.startbuttonlayout);

    stwidgets.startbuttonicon = gtk_image_new_from_stock("gtk-execute", GTK_ICON_SIZE_BUTTON);
    gtk_box_pack_start(GTK_BOX(stwidgets.startbuttonlayout), stwidgets.startbuttonicon, FALSE, FALSE, 0);

    stwidgets.startbuttonlabel = gtk_label_new_with_mnemonic("_Start");
    gtk_box_pack_start(GTK_BOX(stwidgets.startbuttonlayout), stwidgets.startbuttonlabel, FALSE, FALSE, 0);

    // Wire up the signals
    g_signal_connect((gpointer) stwidgets.startwin, "delete_event",
                     G_CALLBACK(on_startwin_delete_event),
                     NULL);
    g_signal_connect((gpointer) stwidgets.vmode3dcombo, "changed",
                     G_CALLBACK(on_vmode3dcombo_changed),
                     NULL);
    g_signal_connect((gpointer) stwidgets.fullscreencheck, "toggled",
                     G_CALLBACK(on_fullscreencheck_toggled),
                     NULL);
#ifdef POLYMER
    g_signal_connect((gpointer) stwidgets.polymercheck, "toggled",
                     G_CALLBACK(on_polymercheck_toggled),
                     NULL);
#endif
    g_signal_connect((gpointer) stwidgets.inputdevcombo, "changed",
                     G_CALLBACK(on_inputdevcombo_changed),
                     NULL);
    g_signal_connect((gpointer) stwidgets.custommodcombo, "changed",
                     G_CALLBACK(on_custommodcombo_changed),
                     NULL);
    g_signal_connect((gpointer) stwidgets.autoloadcheck, "toggled",
                     G_CALLBACK(on_autoloadcheck_toggled),
                     NULL);
    g_signal_connect((gpointer) stwidgets.alwaysshowcheck, "toggled",
                     G_CALLBACK(on_alwaysshowcheck_toggled),
                     NULL);
    g_signal_connect((gpointer) stwidgets.cancelbutton, "clicked",
                     G_CALLBACK(on_cancelbutton_clicked),
                     NULL);
    g_signal_connect((gpointer) stwidgets.startbutton, "clicked",
                     G_CALLBACK(on_startbutton_clicked),
                     NULL);
    {
        GtkTreeSelection *sel = gtk_tree_view_get_selection(GTK_TREE_VIEW(stwidgets.gamelist));
        gtk_tree_selection_set_mode(sel, GTK_SELECTION_SINGLE);
        g_signal_connect((gpointer) sel, "changed",
                         G_CALLBACK(on_gamelist_selection_changed),
                         NULL);
    }

    // Associate labels with their controls
    gtk_label_set_mnemonic_widget(GTK_LABEL(stwidgets.vmode3dlabel), stwidgets.vmode3dcombo);
    gtk_label_set_mnemonic_widget(GTK_LABEL(stwidgets.inputdevlabel), stwidgets.inputdevcombo);
    gtk_label_set_mnemonic_widget(GTK_LABEL(stwidgets.custommodlabel), stwidgets.custommodcombo);
    gtk_label_set_mnemonic_widget(GTK_LABEL(stwidgets.gamelabel), stwidgets.gamelist);

    return stwidgets.startwin;
}

// -- BUILD ENTRY POINTS ------------------------------------------------------

int32_t startwin_open(void)
{
    if (!gtkenabled) return 0;
    if (stwidgets.startwin) return 1;

    stwidgets.startwin = create_window();
    if (stwidgets.startwin)
    {
        SetPage(TAB_MESSAGES);
        gtk_widget_show_all(stwidgets.startwin);
        gtk_main_iteration_do(FALSE);
        return 0;
    }
    return -1;
}

int32_t startwin_close(void)
{
    if (!gtkenabled) return 0;
    if (!stwidgets.startwin) return 1;
    gtk_widget_destroy(stwidgets.startwin);
    stwidgets.startwin = NULL;
    return 0;
}

int32_t startwin_puts(const char *str)
{
    GtkWidget *textview;
    GtkTextBuffer *textbuffer;
    GtkTextIter enditer;
    GtkTextMark *mark;
    const char *aptr, *bptr;

    if (!gtkenabled || !str) return 0;
    if (!stwidgets.startwin) return 1;
    if (!(textview = stwidgets.messagestext)) return -1;
    textbuffer = gtk_text_view_get_buffer(GTK_TEXT_VIEW(textview));

    gtk_text_buffer_get_end_iter(textbuffer, &enditer);
    for (aptr = bptr = str; *aptr != 0;)
    {
        switch (*bptr)
        {
        case '\b':
            if (bptr > aptr)
                gtk_text_buffer_insert(textbuffer, &enditer, (const gchar *)aptr, (gint)(bptr-aptr)-1);
#if GTK_CHECK_VERSION(2,6,0)
            gtk_text_buffer_backspace(textbuffer, &enditer, FALSE, TRUE);
#else
            {
                GtkTextIter iter2 = enditer;
                gtk_text_iter_backward_cursor_position(&iter2);
                //FIXME: this seems be deleting one too many chars somewhere!
                if (!gtk_text_iter_equal(&iter2, &enditer))
                    gtk_text_buffer_delete_interactive(textbuffer, &iter2, &enditer, TRUE);
            }
#endif
            aptr = ++bptr;
            break;
        case 0:
            if (bptr > aptr)
                gtk_text_buffer_insert(textbuffer, &enditer, (const gchar *)aptr, (gint)(bptr-aptr));
            aptr = bptr;
            break;
        case '\r':	// FIXME
        default:
            bptr++;
            break;
        }
    }

    mark = gtk_text_buffer_create_mark(textbuffer, NULL, &enditer, 1);
    gtk_text_view_scroll_to_mark(GTK_TEXT_VIEW(textview), mark, 0.0, FALSE, 0.0, 1.0);
    gtk_text_buffer_delete_mark(textbuffer, mark);

    return 0;
}

int32_t startwin_settitle(const char *title)
{
    if (!gtkenabled) return 0;
    if (!stwidgets.startwin) return 1;
    gtk_window_set_title(GTK_WINDOW(stwidgets.startwin), title);
    return 0;
}

int32_t startwin_idle(void *s)
{
    UNREFERENCED_PARAMETER(s);
    if (!gtkenabled) return 0;
    //if (!stwidgets.startwin) return 1;
    gtk_main_iteration_do(FALSE);
    return 0;
}

int32_t startwin_run(void)
{
    if (!gtkenabled) return 1;
    if (!stwidgets.startwin) return 1;

    SetPage(TAB_CONFIG);

    settings.shared = gSetup;
    settings.gamedir = g_modDir;
    settings.grp = g_selectedGrp;
#ifdef POLYMER
    settings.polymer = (glrendmode == REND_POLYMER) & (settings.shared.bpp != 8);
#endif
    PopulateForm(ALL);

    gtk_main();

    SetPage(TAB_MESSAGES);
    if (retval) // launch the game with these parameters
    {
        gSetup = settings.shared;
#ifdef POLYMER
        glrendmode = (settings.polymer) ? REND_POLYMER : REND_POLYMOST;
#endif
        g_selectedGrp = settings.grp;

        Bstrcpy(g_modDir, (g_noSetup == 0 && settings.gamedir != NULL) ? settings.gamedir : "/");
    }

    return retval;
}


code:
//-------------------------------------------------------------------------
/*
Copyright (C) 2010 EDuke32 developers and contributors

This file is part of EDuke32.

EDuke32 is free software; you can redistribute it and/or
modify it under the terms of the GNU General Public License version 2
as published by the Free Software Foundation.

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., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
*/
//-------------------------------------------------------------------------

#ifndef _WIN32
#error Only for Windows
#endif

#include "renderlayer.h"

#ifdef STARTUP_SETUP_WINDOW

#define NEED_WINDOWSX_H
#define NEED_COMMCTRL_H
#define ONLY_USERDEFS

#include "_control.h"
#include "build.h"
#include "cache1d.h"
#include "compat.h"
#include "keyboard.h"
#include "control.h"
#include "config.h"
#include "grpscan.h"
#include "startwin.game.h"
#include "tekwar.h"
#include "windows_inc.h"

#define TAB_CONFIG 0
#define TAB_MESSAGES 1

static struct
{
    struct grpfile_t const* grp;
    char* gamedir;
    ud_setup_t shared;
    int polymer;
}
settings;

static HWND startupdlg;
static HWND pages[3];
static int done = -1;
static int mode = TAB_CONFIG;

static BUILDVFS_FIND_REC* finddirs;

static inline void clearfilenames(void)
{
    klistfree(finddirs);
    finddirs = NULL;
}

static inline void getfilenames(char const* path)
{
    clearfilenames();
    finddirs = klistpath(path, "*", BUILDVFS_FIND_DIR);
}

#define POPULATE_VIDEO 1
#define POPULATE_CONFIG 2
#define POPULATE_GAME 4
#define POPULATE_GAMEDIRS 8

#ifdef INPUT_MOUSE
#undef INPUT_MOUSE
#endif

#define INPUT_KB 0
#define INPUT_MOUSE 1
#define INPUT_JOYSTICK 2
#define INPUT_ALL 3

const char* controlstrings[] = {"Keyboard only", "Keyboard and mouse", "Keyboard and joystick", "All supported devices"};

static void PopulateForm(int32_t pgs)
{
    char buf[512];

    if (pgs & POPULATE_GAMEDIRS)
    {
        HWND hwnd = GetDlgItem(pages[TAB_CONFIG], IDCGAMEDIR);

        getfilenames("/");
        (void)ComboBox_ResetContent(hwnd);
        int const r = ComboBox_AddString(hwnd, "None");
        (void)ComboBox_SetItemData(hwnd, r, 0);
        (void)ComboBox_SetCurSel(hwnd, r);
        auto dirs = finddirs;
        for (int i = 1, j = 1; dirs != NULL; dirs = dirs->next)
        {
            if (Bstrcasecmp(dirs->name, "autoload") == 0)
            {
                j++;
                continue;
            }

            (void)ComboBox_AddString(hwnd, dirs->name);
            (void)ComboBox_SetItemData(hwnd, i, j);
            if (Bstrcasecmp(dirs->name, settings.gamedir) == 0)
                (void)ComboBox_SetCurSel(hwnd, i);

            i++;
            j++;
        }
    }

    if (pgs & POPULATE_VIDEO)
    {
        HWND hwnd = GetDlgItem(pages[TAB_CONFIG], IDCVMODE);
        int mode = videoCheckMode(&settings.shared.xdim, &settings.shared.ydim, settings.shared.bpp, settings.shared.fullscreen, 1);

        if (mode < 0 || (settings.shared.bpp < 15 && (settings.polymer)))
        {
            int CONSTEXPR cd[] = {32, 24, 16, 15, 8, 0};
            int i;

            for (i = 0; cd[i];)
            {
                if (cd[i] >= settings.shared.bpp) i++;
                else break;
            }
            for (; cd[i]; i++)
            {
                mode = videoCheckMode(&settings.shared.xdim, &settings.shared.ydim, cd[i], settings.shared.fullscreen, 1);
                if (mode < 0) continue;
                settings.shared.bpp = cd[i];
                break;
            }
        }

        Button_SetCheck(GetDlgItem(pages[TAB_CONFIG], IDCFULLSCREEN), ((settings.shared.fullscreen)?BST_CHECKED:BST_UNCHECKED));
        Button_SetCheck(GetDlgItem(pages[TAB_CONFIG], IDCPOLYMER), ((settings.polymer)?BST_CHECKED:BST_UNCHECKED));

        (void)ComboBox_ResetContent(hwnd);

        for (int i = 0; i < validmodecnt; i++)
        {
            if (validmode[i].fs != (settings.shared.fullscreen)) continue;
            if ((validmode[i].bpp < 15) && (settings.polymer)) continue;

            // all modes get added to the 3D mode list
            Bsprintf(buf, "%dx%d %s", validmode[i].xdim, validmode[i].ydim, validmode[i].bpp == 8?"software":"OpenGL");
            int const j = ComboBox_AddString(hwnd, buf);
            (void)ComboBox_SetItemData(hwnd, j, i);
            if (i == mode)(void)ComboBox_SetCurSel(hwnd, j);
        }
    }

    if (pgs & POPULATE_CONFIG)
    {
        Button_SetCheck(GetDlgItem(pages[TAB_CONFIG], IDCALWAYSSHOW), (settings.shared.forcesetup?BST_CHECKED:BST_UNCHECKED));
        Button_SetCheck(GetDlgItem(pages[TAB_CONFIG], IDCAUTOLOAD), (!(settings.shared.noautoload)?BST_CHECKED:BST_UNCHECKED));

        HWND hwnd = GetDlgItem(pages[TAB_CONFIG], IDCINPUT);

        (void)ComboBox_ResetContent(hwnd);
        (void)ComboBox_SetCurSel(hwnd, 0);

        int j = 4;

        #ifdef RENDERTYPEWIN
        if (di_disabled) j = 2;
        #endif

        for (int i = 0; i < j; i++)
        {
            (void)ComboBox_InsertString(hwnd, i, controlstrings[i]);
            (void)ComboBox_SetItemData(hwnd, i, i);

            switch (i)
            {
                case INPUT_MOUSE:
                if (settings.shared.usemouse && !settings.shared.usejoystick)(void)ComboBox_SetCurSel(hwnd, i);
                break;
                case INPUT_JOYSTICK:
                if (!settings.shared.usemouse && settings.shared.usejoystick)(void)ComboBox_SetCurSel(hwnd, i);
                break;
                case INPUT_ALL:
                if (settings.shared.usemouse && settings.shared.usejoystick)(void)ComboBox_SetCurSel(hwnd, i);
                break;
            }
        }
    }

    if (pgs & POPULATE_GAME)
    {
        HWND hwnd = GetDlgItem(pages[TAB_CONFIG], IDCDATA);

        for (auto fg = foundgrps; fg; fg = fg->next)
        {
            Bsprintf(buf, "%s\t%s", fg->type->name, fg->filename);
            int const j = ListBox_AddString(hwnd, buf);
            (void)ListBox_SetItemData(hwnd, j, (LPARAM)fg);
            if (settings.grp == fg)
                (void)ListBox_SetCurSel(hwnd, j);
        }
    }
}

static INT_PTR CALLBACK ConfigPageProc(HWND hwndDlg, UINT uMsg, WPARAM wParam, LPARAM lParam)
{
    switch (uMsg)
    {
        case WM_COMMAND:
        switch (LOWORD(wParam))
        {
            case IDCFULLSCREEN:
            settings.shared.fullscreen = !settings.shared.fullscreen;
            PopulateForm(POPULATE_VIDEO);
            return TRUE;
            case IDCPOLYMER:
            settings.polymer = !settings.polymer;
            if (settings.shared.bpp == 8) settings.shared.bpp = 32;
            PopulateForm(POPULATE_VIDEO);
            return TRUE;
            case IDCVMODE:
            if (HIWORD(wParam) == CBN_SELCHANGE)
            {
                int i = ComboBox_GetCurSel((HWND)lParam);
                if (i != CB_ERR) i = ComboBox_GetItemData((HWND)lParam, i);
                if (i != CB_ERR)
                {
                    settings.shared.xdim = validmode[i].xdim;
                    settings.shared.ydim = validmode[i].ydim;
                    settings.shared.bpp = validmode[i].bpp;
                }
            }
            return TRUE;
            case IDCALWAYSSHOW:
            settings.shared.forcesetup = IsDlgButtonChecked(hwndDlg, IDCALWAYSSHOW) == BST_CHECKED;
            return TRUE;
            case IDCAUTOLOAD:
            settings.shared.noautoload = (IsDlgButtonChecked(hwndDlg, IDCAUTOLOAD) != BST_CHECKED);
            return TRUE;
            case IDCINPUT:
            if (HIWORD(wParam) == CBN_SELCHANGE)
            {
                int i = ComboBox_GetCurSel((HWND)lParam);
                if (i != CB_ERR) i = ComboBox_GetItemData((HWND)lParam, i);
                if (i != CB_ERR)
                {
                    switch (i)
                    {
                        case INPUT_KB:
                        settings.shared.usemouse = settings.shared.usejoystick = 0;
                        break;
                        case INPUT_MOUSE:
                        settings.shared.usemouse = 1;
                        settings.shared.usejoystick = 0;
                        break;
                        case INPUT_JOYSTICK:
                        settings.shared.usemouse = 0;
                        settings.shared.usejoystick = 1;
                        break;
                        case INPUT_ALL:
                        settings.shared.usemouse = settings.shared.usejoystick = 1;
                        break;
                    }
                }
            }
            return TRUE;

            case IDCGAMEDIR:
            if (HIWORD(wParam) == CBN_SELCHANGE)
            {
                int i = ComboBox_GetCurSel((HWND)lParam);
                if (i != CB_ERR) i = ComboBox_GetItemData((HWND)lParam, i);
                if (i != CB_ERR)
                {
                    if (i == 0)
                        settings.gamedir = NULL;
                    else
                    {
                        BUILDVFS_FIND_REC* dir = finddirs;
                        for (int j = 1; dir != NULL; dir = dir->next, j++)
                        {
                            if (j == i)
                            {
                                settings.gamedir = dir->name;
                                break;
                            }
                        }
                    }
                }
            }
            return TRUE;
            case IDCDATA:
            {
                if (HIWORD(wParam) != LBN_SELCHANGE) break;
                intptr_t i = ListBox_GetCurSel((HWND)lParam);
                if (i != CB_ERR) i = ListBox_GetItemData((HWND)lParam, i);
                if (i != CB_ERR)
                {
                    settings.grp = (grpfile_t const*)i;
                }
                return TRUE;
            }
            default:
            break;
        }
        break;
        default:
        break;
    }
    return FALSE;
}

static void SetPage(int pageNum)
{
    HWND tab = GetDlgItem(startupdlg, WIN_STARTWIN_TABCTL);
    auto const cur = SendMessage(tab, TCM_GETCURSEL, 0, 0);
    ShowWindow(pages[cur], SW_HIDE);
    SendMessage(tab, TCM_SETCURSEL, pageNum, 0);
    ShowWindow(pages[pageNum], SW_SHOW);
    mode = pageNum;

    SetFocus(GetDlgItem(startupdlg, WIN_STARTWIN_TABCTL));
}

static void EnableConfig(bool n)
{
    //EnableWindow(GetDlgItem(startupdlg, WIN_STARTWIN_CANCEL), n);
    EnableWindow(GetDlgItem(startupdlg, WIN_STARTWIN_START), n);
    EnableWindow(GetDlgItem(pages[TAB_CONFIG], IDCDATA), n);
    EnableWindow(GetDlgItem(pages[TAB_CONFIG], IDCFULLSCREEN), n);
    EnableWindow(GetDlgItem(pages[TAB_CONFIG], IDCGAMEDIR), n);
    EnableWindow(GetDlgItem(pages[TAB_CONFIG], IDCINPUT), n);
    EnableWindow(GetDlgItem(pages[TAB_CONFIG], IDCPOLYMER), n);
    EnableWindow(GetDlgItem(pages[TAB_CONFIG], IDCVMODE), n);
}

static INT_PTR CALLBACK startup_dlgproc(HWND hwndDlg, UINT uMsg, WPARAM wParam, LPARAM lParam)
{
    static HBITMAP hbmp = NULL;

    switch (uMsg)
    {
        case WM_INITDIALOG:
        {
            // Fetch the positions (in screen coordinates) of all the windows we need to tweak
            RECT chrome = {};
            AdjustWindowRect(&chrome, GetWindowLong(hwndDlg, GWL_STYLE), FALSE);
            RECT rdlg;
            GetWindowRect(hwndDlg, &rdlg);

            // Knock off the non-client area of the main dialogue to give just the client area
            rdlg.left -= chrome.left;
            rdlg.top -= chrome.top;
            rdlg.right -= chrome.right;
            rdlg.bottom -= chrome.bottom;

            RECT rtab;
            GetWindowRect(GetDlgItem(hwndDlg, WIN_STARTWIN_TABCTL), &rtab);

            // Translate them to client-relative coordinates wrt the main dialogue window
            rtab.right -= rtab.left - 1;
            rtab.bottom -= rtab.top - 1;
            rtab.left -= rdlg.left;
            rtab.top -= rdlg.top;

            RECT rcancel;
            GetWindowRect(GetDlgItem(hwndDlg, WIN_STARTWIN_CANCEL), &rcancel);

            rcancel.right -= rcancel.left - 1;
            rcancel.bottom -= rcancel.top - 1;
            rcancel.left -= rdlg.left;
            rcancel.top -= rdlg.top;

            RECT rstart;
            GetWindowRect(GetDlgItem(hwndDlg, WIN_STARTWIN_START), &rstart);

            rstart.right -= rstart.left - 1;
            rstart.bottom -= rstart.top - 1;
            rstart.left -= rdlg.left;
            rstart.top -= rdlg.top;

            // And then convert the main dialogue coordinates to just width/length
            rdlg.right -= rdlg.left - 1;
            rdlg.bottom -= rdlg.top - 1;
            rdlg.left = 0;
            rdlg.top = 0;

            // Load the bitmap into the bitmap control and fetch its dimensions
            hbmp = LoadBitmap((HINSTANCE)win_gethinstance(), MAKEINTRESOURCE(RSRC_BMP));

            HWND hwnd = GetDlgItem(hwndDlg, WIN_STARTWIN_BITMAP);
            SendMessage(hwnd, STM_SETIMAGE, IMAGE_BITMAP, (LPARAM)hbmp);

            RECT r;
            GetClientRect(hwnd, &r);

            int const xoffset = r.right;
            int const yoffset = r.bottom - rdlg.bottom;

            // Shift and resize the controls that require it
            rtab.left += xoffset;
            rtab.bottom += yoffset;
            rcancel.left += xoffset;
            rcancel.top += yoffset;
            rstart.left += xoffset;
            rstart.top += yoffset;
            rdlg.right += xoffset;
            rdlg.bottom += yoffset;

            // Move the controls to their new positions
            MoveWindow(GetDlgItem(hwndDlg, WIN_STARTWIN_TABCTL), rtab.left, rtab.top, rtab.right, rtab.bottom, FALSE);
            MoveWindow(GetDlgItem(hwndDlg, WIN_STARTWIN_CANCEL), rcancel.left, rcancel.top, rcancel.right, rcancel.bottom, FALSE);
            MoveWindow(GetDlgItem(hwndDlg, WIN_STARTWIN_START), rstart.left, rstart.top, rstart.right, rstart.bottom, FALSE);

            // Move the main dialogue to the centre of the screen
            HDC hdc = GetDC(NULL);
            rdlg.left = (GetDeviceCaps(hdc, HORZRES) - rdlg.right) / 2;
            rdlg.top = (GetDeviceCaps(hdc, VERTRES) - rdlg.bottom) / 2;
            ReleaseDC(NULL, hdc);
            MoveWindow(hwndDlg, rdlg.left + chrome.left, rdlg.top + chrome.left,
                rdlg.right + (-chrome.left + chrome.right), rdlg.bottom + (-chrome.top + chrome.bottom), TRUE);

            // Add tabs to the tab control
            {
                static char textSetup[] = TEXT("Setup");
                static char textMessageLog[] = TEXT("Message Log");

                hwnd = GetDlgItem(hwndDlg, WIN_STARTWIN_TABCTL);

                TCITEM tab = {};
                tab.mask = TCIF_TEXT;
                tab.pszText = textSetup;
                SendMessage(hwnd, TCM_INSERTITEM, (WPARAM)TAB_CONFIG, (LPARAM)&tab);
                tab.mask = TCIF_TEXT;
                tab.pszText = textMessageLog;
                SendMessage(hwnd, TCM_INSERTITEM, (WPARAM)TAB_MESSAGES, (LPARAM)&tab);

                // Work out the position and size of the area inside the tab control for the pages
                ZeroMemory(&r, sizeof(r));
                GetClientRect(hwnd, &r);
                SendMessage(hwnd, TCM_ADJUSTRECT, FALSE, (LPARAM)&r);
                r.right -= r.left - 1;
                r.bottom -= r.top - 1;
                r.top += rtab.top;
                r.left += rtab.left;

                // Create the pages and position them in the tab control, but hide them
                pages[TAB_CONFIG] = CreateDialog((HINSTANCE)win_gethinstance(), MAKEINTRESOURCE(WIN_STARTWINPAGE_CONFIG), hwndDlg, ConfigPageProc);
                SetWindowPos(pages[TAB_CONFIG], hwnd, r.left, r.top, r.right, r.bottom, SWP_HIDEWINDOW);

                pages[TAB_MESSAGES] = GetDlgItem(hwndDlg, WIN_STARTWIN_MESSAGES);
                SetWindowPos(pages[TAB_MESSAGES], hwnd, r.left, r.top, r.right, r.bottom, SWP_HIDEWINDOW);

                // Tell the editfield acting as the console to exclude the width of the scrollbar
                GetClientRect(pages[TAB_MESSAGES], &r);
                r.right -= GetSystemMetrics(SM_CXVSCROLL) + 4;
                r.left = r.top = 0;
                SendMessage(pages[TAB_MESSAGES], EM_SETRECTNP, 0, (LPARAM)&r);

                // Set a tab stop in the game data listbox
                {
                    DWORD tabs[1] = {150};
                    (void)ListBox_SetTabStops(GetDlgItem(pages[TAB_CONFIG], IDCDATA), 1, tabs);
                }

                SetFocus(GetDlgItem(hwndDlg, WIN_STARTWIN_START));
                SetWindowText(hwndDlg, apptitle);
            }
            return FALSE;
        }

        case WM_NOTIFY:
        {
            auto nmhdr = (LPNMHDR)lParam;
            if (nmhdr->idFrom != WIN_STARTWIN_TABCTL) break;
            int const cur = SendMessage(nmhdr->hwndFrom, TCM_GETCURSEL, 0, 0);
            switch (nmhdr->code)
            {
                case TCN_SELCHANGING:
                case TCN_SELCHANGE:
                if (cur < 0 || !pages[cur])
                    break;
                ShowWindow(pages[cur], nmhdr->code == TCN_SELCHANGING?SW_HIDE:SW_SHOW);
                return TRUE;
            }
            break;
        }

        case WM_CLOSE:
        if (mode == TAB_CONFIG) done = 0;
        else quitevent++;
        return TRUE;

        case WM_DESTROY:
        if (hbmp)
        {
            DeleteObject(hbmp);
            hbmp = NULL;
        }

        if (pages[TAB_CONFIG])
        {
            DestroyWindow(pages[TAB_CONFIG]);
            pages[TAB_CONFIG] = NULL;
        }

        startupdlg = NULL;
        return TRUE;

        case WM_COMMAND:
        switch (LOWORD(wParam))
        {
            case WIN_STARTWIN_CANCEL:
            if (mode == TAB_CONFIG) done = 0;
            else quitevent++;
            return TRUE;
            case WIN_STARTWIN_START:
            done = 1;
            return TRUE;
        }
        return FALSE;

        case WM_CTLCOLORSTATIC:
        if ((HWND)lParam == pages[TAB_MESSAGES])
            return (BOOL)(intptr_t)GetSysColorBrush(COLOR_WINDOW);
        break;

        default:
        break;
    }

    return FALSE;
}

bool startwin_isopen(void)
{
    return !!startupdlg;
}

int32_t startwin_open(void)
{
    if (startupdlg) return 1;
    INITCOMMONCONTROLSEX icc = {sizeof(icc), ICC_TAB_CLASSES};
    InitCommonControlsEx(&icc);
    startupdlg = CreateDialog((HINSTANCE)win_gethinstance(), MAKEINTRESOURCE(WIN_STARTWIN), NULL, startup_dlgproc);
    if (startupdlg)
    {
        SetPage(TAB_MESSAGES);
        EnableConfig(0);
        return 0;
    }
    return -1;
}

int32_t startwin_close(void)
{
    if (!startupdlg) return 1;
    DestroyWindow(startupdlg);
    startupdlg = NULL;
    return 0;
}

int32_t startwin_puts(const char* buf)
{
    if (!startupdlg) return 1;

    const HWND edctl = pages[TAB_MESSAGES];

    if (!edctl) return -1;

    static HWND dactrl = NULL;
    if (!dactrl) dactrl = GetDlgItem(startupdlg, WIN_STARTWIN_TABCTL);

    int const vis = ((int)SendMessage(dactrl, TCM_GETCURSEL, 0, 0) == TAB_MESSAGES);

    if (vis)
        SendMessage(edctl, WM_SETREDRAW, FALSE, 0);

    int const curlen = SendMessage(edctl, WM_GETTEXTLENGTH, 0, 0);
    SendMessage(edctl, EM_SETSEL, (WPARAM)curlen, (LPARAM)curlen);

    int const   numlines = SendMessage(edctl, EM_GETLINECOUNT, 0, 0);
    static bool newline = false;
    const char* p = buf;

    while (*p)
    {
        if (newline)
        {
            SendMessage(edctl, EM_REPLACESEL, 0, (LPARAM)"\r\n");
            newline = false;
        }
        const char* q = p;
        while (*q && *q != '\n') q++;
        static char workbuf[1024];
        Bmemcpy(workbuf, p, q - p);
        if (*q == '\n')
        {
            if (!q[1])
            {
                newline = true;
                workbuf[q - p] = 0;
            }
            else
            {
                workbuf[q - p] = '\r';
                workbuf[q - p + 1] = '\n';
                workbuf[q - p + 2] = 0;
            }
            p = q + 1;
        }
        else
        {
            workbuf[q - p] = 0;
            p = q;
        }
        SendMessage(edctl, EM_REPLACESEL, 0, (LPARAM)workbuf);
    }

    int const newnumlines = SendMessage(edctl, EM_GETLINECOUNT, 0, 0);
    SendMessage(edctl, EM_LINESCROLL, 0, newnumlines - numlines);

    if (vis)
        SendMessage(edctl, WM_SETREDRAW, TRUE, 0);

    return 0;
}

int32_t startwin_settitle(const char* str)
{
    if (!startupdlg) return 1;
    SetWindowText(startupdlg, str);
    return 0;
}

int32_t startwin_idle(void* v)
{
    if (!startupdlg || !IsWindow(startupdlg)) return 0;
    if (IsDialogMessage(startupdlg, (MSG*)v)) return 1;
    return 0;
}

int32_t startwin_run(void)
{
    if (!startupdlg) return 1;

    done = -1;

    SetPage(TAB_CONFIG);
    EnableConfig(1);

    #ifdef POLYMER
    settings.polymer = (glrendmode == REND_POLYMER);
    #else
    settings.polymer = 0;
    #endif

    settings.shared = gSetup;
    settings.grp = g_selectedGrp;
    settings.gamedir = g_modDir;

    PopulateForm(-1);

    do
    {
        MSG msg;

        switch (GetMessage(&msg, NULL, 0, 0))
        {
            case 0:
            done = 1;
            break;
            case -1:
            return -1;
            default:
            if (IsWindow(startupdlg) && IsDialogMessage(startupdlg, &msg))
                break;
            TranslateMessage(&msg);
            DispatchMessage(&msg);
            break;
        }
    } while (done < 0);

    SetPage(TAB_MESSAGES);
    EnableConfig(0);

    if (done)
    {
        gSetup = settings.shared;
        #ifdef USE_OPENGL
        glrendmode = (settings.polymer)?REND_POLYMER:REND_POLYMOST;
        #endif
        g_selectedGrp = settings.grp;
        if (g_modDir != settings.gamedir)
            Bstrcpy(g_modDir, (g_noSetup == 0 && settings.gamedir != NULL) ? settings.gamedir : "/");
    }

    return done;
}

#endif // STARTUP_SETUP_WINDOW

repo_name: orochi/nblood

license: mit


code:
//-------------------------------------------------------------------------
/*
Copyright (C) 2010 EDuke32 developers and contributors

This file is part of EDuke32.

EDuke32 is free software; you can redistribute it and/or
modify it under the terms of the GNU General Public License version 2
as published by the Free Software Foundation.

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., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
*/
//-------------------------------------------------------------------------

// resource ids
#define WIN_STARTWIN		1000
#define WIN_STARTWINPAGE_CONFIG 2000
#define WIN_STARTWIN_BITMAP	100	// banner bitmap
#define WIN_STARTWIN_TABCTL	101
#define WIN_STARTWIN_CANCEL	IDCANCEL
#define WIN_STARTWIN_START	IDOK

#define WIN_STARTWIN_MESSAGES	104	// output list box

#define RSRC_ICON		100
#define RSRC_BMP		200

// config page
#define IDCFULLSCREEN	100
#define IDCVMODE	    101
#define IDCSOUNDDRV	    102
#define IDCMIDIDEV	    103
#define IDCCDADEV	    104
#define IDCALWAYSSHOW	105
#define IDCDATA         106
#define IDCGAMEDIR      107
#define IDCPOLYMER      108
#define IDCAUTOLOAD     109
#define IDCINPUT	    110


code:
int
cdpreinit(void)
{
    return 0;
}

void
cduninit(void)
{
}


code:
/***************************************************************************
 *   TEKCHNG.C - changehealth, changescore, etc..                          *
 *                                                                         *
 *                                                                         *
 ***************************************************************************/

#include "build.h"
#include "names.h"

#include "tekwar.h"

#define   MAXSTUNPOINTS       1000

int      stun[MAXPLAYERS],stuntics[MAXPLAYERS];
int      fallz[MAXPLAYERS];

int
changehealth(short snum, short deltahealth)
{
     int       healthmax;

     if( !validplayer(snum) ) {
          crash("chnghlth bad plrnum");
     }
     if( toggles[TOGGLE_GODMODE] != 0 ) {
          return(0);
     }
     if( health[snum] <= 0 ) {
          return(1);
     }

     if( option[4] == 0 ) {
          if( deltahealth < 0 ) {
               switch( difficulty ) {
               case 0:
               case 1:
                    deltahealth>>=3;
                    deltahealth-=5;
                    break;
               case 2:
                    deltahealth>>=2;
                    break;
               case 3:
                    deltahealth>>=1;
                    break;
               }
          }
     }

     healthmax=MAXHEALTH;

     if( snum == screenpeek ) {
          if( deltahealth < 0 ) {
               if( deltahealth <= -90 ) {
                    criticalflash();
               }
               else {
                    woundflash();
               }
          }
          else {
               bonusflash();
          }
     }

     if (health[snum] > 0)
     {
          health[snum] += deltahealth;
          if( health[snum] > healthmax )
               health[snum]=healthmax;

          if (health[snum] <= 0)
          {
               health[snum] = -1;
               playsound(S_PLAYERDIE, posx[snum],posy[snum], 0,ST_NOUPDATE);
          }
     }

     if( (health[snum] <= 0) && (option[4] != 0) ) {
          playerdropitems(snum);
     }

     return(health[snum] <= 0);
}

void
changescore(short snum, short deltascore)
{
     if( toggles[TOGGLE_GODMODE] != 0 ) {
          return;
     }

     score[snum] += deltascore;
     score[snum]&=0xFFFFFFFE;

     if( (score[snum] < 0) || (score[snum] > 99999999) )
          score[snum]=0;

}

void
tekchangestun(short snum,short deltastun)
{
     if( toggles[TOGGLE_GODMODE] != 0 ) {
          return;
     }

     switch (difficulty) {
     case 1:
          deltastun/=2;
          break;
     case 3:
          deltastun*=2;
          break;
     }
     stun[snum]+=deltastun;
     if (stun[snum] < 0) {
          stun[snum]=0;
     }
}

void
tekhealstun(short snum)
{
     if( toggles[TOGGLE_GODMODE] != 0 ) {
          return;
     }

     if (stun[snum] < MAXSTUNPOINTS) {
          if (stuntics[snum] >= CLKIPS) {
               stuntics[snum]-=CLKIPS;
               tekchangestun(snum,1);
          }
     }
}

void
tekchangefallz(short snum,int loz,int hiz)
{
     int  died=0;

     posz[snum]+=hvel[snum];

     fallz[snum]+=hvel[snum];
     if (posz[snum] > loz-(KENSPLAYERHEIGHT<<8)) {
          if (fallz[snum] < 0) {
               fallz[snum]=0;
          }
          if (posz[snum] > loz-(4<<8)) {
               posz[snum]=loz-(4<<8);
               hvel[snum]=0;
          }
          switch (fallz[snum]>>15) {
          case 0:
          case 1:
               break;
          case 2:
               tekchangestun(snum,-200);
               break;
          case 3:
               tekchangestun(snum,-400);
               died=changehealth(snum,-200);
               break;
          case 4:
               tekchangestun(snum,-800);
               died=changehealth(snum,-400);
               break;
          case 5:
               tekchangestun(snum,-1000);
               died=changehealth(snum,-1000);
               break;
          default:
               died=changehealth(snum,-9999);
               break;
          }
          fallz[snum]=0;
     }
     if (died && goreflag) {
          tekexplodebody(playersprite[snum]);
     }

     if (posz[snum] < hiz+(4<<8)) {
          posz[snum]=hiz+(4<<8);
          hvel[snum]=0;
     }
}