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path: root/src/setup/keyboard.c
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// Emacs style mode select   -*- C++ -*- 
//-----------------------------------------------------------------------------
//
// Copyright(C) 2006 Simon Howard
//
// 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 "textscreen.h"
#include "doomtype.h"
#include "m_config.h"
#include "m_controls.h"

#include "execute.h"
#include "txt_keyinput.h"

#include "mode.h"
#include "joystick.h"
#include "keyboard.h"

int vanilla_keyboard_mapping = 1;

static int always_run = 0;

// Keys within these groups cannot have the same value.

static int *controls[] = { &key_left, &key_right, &key_up, &key_down,
                           &key_strafeleft, &key_straferight, &key_fire,
                           &key_use, &key_strafe, &key_speed, &key_jump,
                           &key_flyup, &key_flydown, &key_flycenter,
                           &key_lookup, &key_lookdown, &key_lookcenter,
                           &key_invleft, &key_invright, &key_invquery,
                           &key_invuse, &key_invpop, &key_mission, &key_invkey,
                           &key_invhome, &key_invend, &key_invdrop,
                           &key_useartifact, &key_pause, &key_usehealth,
                           &key_weapon1, &key_weapon2, &key_weapon3,
                           &key_weapon4, &key_weapon5, &key_weapon6,
                           &key_weapon7, &key_weapon8,
                           &key_prevweapon, &key_nextweapon, NULL };

static int *menu_nav[] = { &key_menu_activate, &key_menu_up, &key_menu_down,
                           &key_menu_left, &key_menu_right, &key_menu_back,
                           &key_menu_forward, NULL };

static int *shortcuts[] = { &key_menu_help, &key_menu_save, &key_menu_load,
                            &key_menu_volume, &key_menu_detail, &key_menu_qsave,
                            &key_menu_endgame, &key_menu_messages, &key_spy,
                            &key_menu_qload, &key_menu_quit, &key_menu_gamma,
                            &key_menu_incscreen, &key_menu_decscreen, 
                            &key_message_refresh, &key_multi_msg,
                            &key_multi_msgplayer[0], &key_multi_msgplayer[1],
                            &key_multi_msgplayer[2], &key_multi_msgplayer[3] };

static int *map_keys[] = { &key_map_north, &key_map_south, &key_map_east,
                           &key_map_west, &key_map_zoomin, &key_map_zoomout,
                           &key_map_toggle, &key_map_maxzoom, &key_map_follow,
                           &key_map_grid, &key_map_mark, &key_map_clearmark,
                           NULL };

static void UpdateJoybSpeed(TXT_UNCAST_ARG(widget), TXT_UNCAST_ARG(var))
{
    if (always_run)
    {
        /*
         <Janizdreg> if you want to pick one for chocolate doom to use, 
                     pick 29, since that is the most universal one that 
                     also works with heretic, hexen and strife =P

         NB. This choice also works with original, ultimate and final exes.
        */

        joybspeed = 29;
    }
    else
    {
        joybspeed = 0;
    }
}

static int VarInGroup(int *variable, int **group)
{
    unsigned int i;

    for (i=0; group[i] != NULL; ++i)
    {
        if (group[i] == variable)
        {
            return 1;
        }
    }

    return 0;
}

static void CheckKeyGroup(int *variable, int **group)
{
    unsigned int i;

    // Don't check unless the variable is in this group.

    if (!VarInGroup(variable, group))
    {
        return;
    }

    // If another variable has the same value as the new value, reset it.

    for (i=0; group[i] != NULL; ++i)
    {
        if (*variable == *group[i] && group[i] != variable)
        {
            // A different key has the same value.  Clear the existing
            // value. This ensures that no two keys can have the same
            // value.

            *group[i] = 0;
        }
    }
}

// Callback invoked when a key control is set

static void KeySetCallback(TXT_UNCAST_ARG(widget), TXT_UNCAST_ARG(variable))
{
    TXT_CAST_ARG(int, variable);

    CheckKeyGroup(variable, controls);
    CheckKeyGroup(variable, menu_nav);
    CheckKeyGroup(variable, shortcuts);
    CheckKeyGroup(variable, map_keys);
}

// Add a label and keyboard input to the specified table.

static void AddKeyControl(txt_table_t *table, char *name, int *var)
{
    txt_key_input_t *key_input;

    TXT_AddWidget(table, TXT_NewLabel(name));
    key_input = TXT_NewKeyInput(var);
    TXT_AddWidget(table, key_input);

    TXT_SignalConnect(key_input, "set", KeySetCallback, var);
}

static void AddSectionLabel(txt_table_t *table, char *title, boolean add_space)
{
    char buf[64];

    if (add_space)
    {
        TXT_AddWidgets(table, TXT_NewStrut(0, 1), TXT_NewStrut(0, 1),
                              NULL);
    }

    sprintf(buf, " - %s - ", title);

    TXT_AddWidgets(table, TXT_NewLabel(buf),  TXT_NewStrut(0, 0),
                          NULL);
}
static void ConfigExtraKeys(TXT_UNCAST_ARG(widget), TXT_UNCAST_ARG(unused))
{
    txt_window_t *window;
    txt_scrollpane_t *scrollpane;
    txt_table_t *table;
    boolean extra_keys = gamemission == heretic
                      || gamemission == hexen
                      || gamemission == strife;

    window = TXT_NewWindow("Extra keyboard controls");

    table = TXT_NewTable(2);

    TXT_SetColumnWidths(table, 20, 9);

    if (extra_keys)
    {
        // When we have extra controls, a scrollable pane must be used.

        scrollpane = TXT_NewScrollPane(0, 13, table);
        TXT_AddWidget(window, scrollpane);

        AddSectionLabel(table, "View", false);

        AddKeyControl(table, "Look up", &key_lookup);
        AddKeyControl(table, "Look down", &key_lookdown);
        AddKeyControl(table, "Center view", &key_lookcenter);

        if (gamemission == heretic || gamemission == hexen)
        {
            AddSectionLabel(table, "Flying", true);

            AddKeyControl(table, "Fly up", &key_flyup);
            AddKeyControl(table, "Fly down", &key_flydown);
            AddKeyControl(table, "Fly center", &key_flycenter);
        }

        AddSectionLabel(table, "Inventory", true);

        AddKeyControl(table, "Inventory left", &key_invleft);
        AddKeyControl(table, "Inventory right", &key_invright);

        if (gamemission == strife)
        {
            AddKeyControl(table, "Home", &key_invhome);
            AddKeyControl(table, "End", &key_invend);
            AddKeyControl(table, "Query", &key_invquery);
            AddKeyControl(table, "Drop", &key_invdrop);
            AddKeyControl(table, "Show weapons", &key_invpop);
            AddKeyControl(table, "Show mission", &key_mission);
            AddKeyControl(table, "Show keys", &key_invkey);
            AddKeyControl(table, "Use", &key_invuse);
            AddKeyControl(table, "Use health", &key_usehealth);
        }
        else
        {
            AddKeyControl(table, "Use artifact", &key_useartifact);
        }
    }
    else
    {
        TXT_AddWidget(window, table);
    }

    AddSectionLabel(table, "Weapons", extra_keys);

    AddKeyControl(table, "Weapon 1", &key_weapon1);
    AddKeyControl(table, "Weapon 2", &key_weapon2);
    AddKeyControl(table, "Weapon 3", &key_weapon3);
    AddKeyControl(table, "Weapon 4", &key_weapon4);
    AddKeyControl(table, "Weapon 5", &key_weapon5);
    AddKeyControl(table, "Weapon 6", &key_weapon6);
    AddKeyControl(table, "Weapon 7", &key_weapon7);
    AddKeyControl(table, "Weapon 8", &key_weapon8);
    AddKeyControl(table, "Previous weapon",       &key_prevweapon);
    AddKeyControl(table, "Next weapon",           &key_nextweapon);
}

static void OtherKeysDialog(TXT_UNCAST_ARG(widget), TXT_UNCAST_ARG(unused))
{
    txt_window_t *window;
    txt_table_t *table;
    txt_scrollpane_t *scrollpane;

    window = TXT_NewWindow("Other keys");

    table = TXT_NewTable(2);

    TXT_SetColumnWidths(table, 25, 9);

    AddSectionLabel(table, "Menu navigation", false);

    AddKeyControl(table, "Activate menu",         &key_menu_activate);
    AddKeyControl(table, "Move cursor up",        &key_menu_up);
    AddKeyControl(table, "Move cursor down",      &key_menu_down);
    AddKeyControl(table, "Move slider left",      &key_menu_left);
    AddKeyControl(table, "Move slider right",     &key_menu_right);
    AddKeyControl(table, "Go to previous menu",   &key_menu_back);
    AddKeyControl(table, "Activate menu item",    &key_menu_forward);
    AddKeyControl(table, "Confirm action",        &key_menu_confirm);
    AddKeyControl(table, "Cancel action",         &key_menu_abort);

    AddSectionLabel(table, "Shortcut keys", true);

    AddKeyControl(table, "Pause game",            &key_pause);
    AddKeyControl(table, "Help screen",           &key_menu_help);
    AddKeyControl(table, "Save game",             &key_menu_save);
    AddKeyControl(table, "Load game",             &key_menu_load);
    AddKeyControl(table, "Sound volume",          &key_menu_volume);
    AddKeyControl(table, "Toggle detail",         &key_menu_detail);
    AddKeyControl(table, "Quick save",            &key_menu_qsave);
    AddKeyControl(table, "End game",              &key_menu_endgame);
    AddKeyControl(table, "Toggle messages",       &key_menu_messages);
    AddKeyControl(table, "Quick load",            &key_menu_qload);
    AddKeyControl(table, "Quit game",             &key_menu_quit);
    AddKeyControl(table, "Toggle gamma",          &key_menu_gamma);
    AddKeyControl(table, "Multiplayer spy",       &key_spy);

    AddKeyControl(table, "Increase screen size",  &key_menu_incscreen);
    AddKeyControl(table, "Decrease screen size",  &key_menu_decscreen);

    AddKeyControl(table, "Display last message",  &key_message_refresh);
    AddKeyControl(table, "Finish recording demo", &key_demo_quit);

    AddSectionLabel(table, "Map", true);
    AddKeyControl(table, "Toggle map",            &key_map_toggle);
    AddKeyControl(table, "Zoom in",               &key_map_zoomin);
    AddKeyControl(table, "Zoom out",              &key_map_zoomout);
    AddKeyControl(table, "Maximum zoom out",      &key_map_maxzoom);
    AddKeyControl(table, "Follow mode",           &key_map_follow);
    AddKeyControl(table, "Pan north",             &key_map_north);
    AddKeyControl(table, "Pan south",             &key_map_south);
    AddKeyControl(table, "Pan east",              &key_map_east);
    AddKeyControl(table, "Pan west",              &key_map_west);
    AddKeyControl(table, "Toggle grid",           &key_map_grid);
    AddKeyControl(table, "Mark location",         &key_map_mark);
    AddKeyControl(table, "Clear all marks",       &key_map_clearmark);

    AddSectionLabel(table, "Multiplayer", true);

    AddKeyControl(table, "Send message",          &key_multi_msg);
    AddKeyControl(table, "- to player 1",         &key_multi_msgplayer[0]);
    AddKeyControl(table, "- to player 2",         &key_multi_msgplayer[1]);
    AddKeyControl(table, "- to player 3",         &key_multi_msgplayer[2]);
    AddKeyControl(table, "- to player 4",         &key_multi_msgplayer[3]);

    if (gamemission == hexen || gamemission == strife)
    {
        AddKeyControl(table, "- to player 5",     &key_multi_msgplayer[4]);
        AddKeyControl(table, "- to player 6",     &key_multi_msgplayer[5]);
        AddKeyControl(table, "- to player 7",     &key_multi_msgplayer[6]);
        AddKeyControl(table, "- to player 8",     &key_multi_msgplayer[7]);
    }

    scrollpane = TXT_NewScrollPane(0, 13, table);

    TXT_AddWidget(window, scrollpane);
}

void ConfigKeyboard(void)
{
    txt_window_t *window;
    txt_table_t *movement_table;
    txt_table_t *action_table;
    txt_table_t *dialogs_table;
    txt_checkbox_t *run_control;

    always_run = joybspeed >= 20;

    window = TXT_NewWindow("Keyboard configuration");

    TXT_AddWidgets(window,
                   TXT_NewSeparator("Movement"),
                   movement_table = TXT_NewTable(4),

                   TXT_NewSeparator("Action"),
                   action_table = TXT_NewTable(4),
                   dialogs_table = TXT_NewTable(2),

                   TXT_NewSeparator("Misc."),
                   run_control = TXT_NewCheckBox("Always run", &always_run),
                   TXT_NewInvertedCheckBox("Use native keyboard mapping", 
                                           &vanilla_keyboard_mapping),
                   NULL);

    TXT_SetColumnWidths(movement_table, 15, 8, 15, 8);

    TXT_SignalConnect(run_control, "changed", UpdateJoybSpeed, NULL);

    AddKeyControl(movement_table, "Move Forward", &key_up);
    AddKeyControl(movement_table, " Strafe Left", &key_strafeleft);
    AddKeyControl(movement_table, "Move Backward", &key_down);
    AddKeyControl(movement_table, " Strafe Right", &key_straferight);
    AddKeyControl(movement_table, "Turn Left", &key_left);
    AddKeyControl(movement_table, " Speed On", &key_speed);
    AddKeyControl(movement_table, "Turn Right", &key_right);
    AddKeyControl(movement_table, " Strafe On", &key_strafe);

    if (gamemission == hexen || gamemission == strife)
    {
        AddKeyControl(movement_table, "Jump", &key_jump);
    }

    TXT_SetColumnWidths(action_table, 15, 8, 15, 8);

    AddKeyControl(action_table, "Fire/Attack", &key_fire);
    AddKeyControl(action_table, " Use", &key_use);

    // Other key bindings are stored in separate sub-dialogs:

    TXT_SetColumnWidths(dialogs_table, 24, 24);

    TXT_AddWidgets(dialogs_table,
                   TXT_NewButton2("More controls...", ConfigExtraKeys, NULL),
                   TXT_NewButton2("Other keys...", OtherKeysDialog, NULL),
                   NULL);

    TXT_SetWindowAction(window, TXT_HORIZ_CENTER, TestConfigAction());

}

void BindKeyboardVariables(void)
{
    M_BindVariable("vanilla_keyboard_mapping", &vanilla_keyboard_mapping);
}