OpenGrok

// The right Alt key (while pressed) chooses the second keyboard group.
partial modifier_keys
xkb_symbols "switch" {
    key <RALT> {
        symbols[Group1] = [ Mode_switch, Multi_key ],
        virtualMods= AltGr
    };
};

// The left Alt key (while pressed) chooses the second keyboard group.
partial modifier_keys
xkb_symbols "lswitch" {
    key <LALT> {
        symbols[Group1] = [ Mode_switch, Multi_key ],
        virtualMods= AltGr
    };
};

// Either Win key (while pressed) chooses the second keyboard group.
partial modifier_keys
xkb_symbols "win_switch" {
    include "group(lwin_switch)"
    include "group(rwin_switch)"
};

// The left Win key (while pressed) chooses the second keyboard group.
// (Using this map, you should declare your keyboard as pc101 or pc102
// instead of pc104 or pc105.)
partial modifier_keys
xkb_symbols "lwin_switch" {
    key <LWIN> {
        symbols[Group1] = [ Mode_switch, Multi_key ],
        virtualMods= AltGr
    };
};

// The right Win key (while pressed) chooses the second keyboard group.
// (Using this map, you should declare your keyboard as pc101 or pc102
// instead of pc104 or pc105.)
partial modifier_keys
xkb_symbols "rwin_switch" {
    key <RWIN> {
        symbols[Group1] = [ Mode_switch, Multi_key ],
        virtualMods= AltGr
    };
};

// The right Ctrl key (while pressed) chooses the second keyboard group.
// (Needed mainly for the Canadian keyboard.)
partial modifier_keys
xkb_symbols "rctrl_switch" {
    key <RCTL> {
        symbols[Group1] = [ Mode_switch ]
    };
};

// Pressing the right Alt key switches to the next group.
partial modifier_keys
xkb_symbols "toggle" {
    virtual_modifiers AltGr;
    key <RALT> {
        symbols[Group1] = [ ISO_Next_Group ],
        virtualMods= AltGr
    };
};

// Pressing both Shift keys switches to the next or previous group
// (depending on which Shift is pressed first).
partial modifier_keys
xkb_symbols "shifts_toggle" {
    key <LFSH> { [ Shift_L, ISO_Prev_Group ] };
    key <RTSH> { [ Shift_R, ISO_Next_Group ] };
};

// Pressing Shift+Caps_Lock switches to the next group.
partial modifier_keys
xkb_symbols "shift_caps_toggle" {
    key <CAPS> { [ Caps_Lock, ISO_Next_Group ] };
};

// Pressing Caps_Lock selects the first group,
// pressing Shift+Caps_Lock selects the last group.
partial modifier_keys
xkb_symbols "shift_caps_switch" {
    key <CAPS> { [ ISO_First_Group, ISO_Last_Group ] };
};

// Pressing the left Win key selects the first group,
// pressing the right Win or the Menu key selects the last group.
partial modifier_keys
xkb_symbols "win_menu_switch" {
    virtual_modifiers AltGr;
    key <LWIN> {
        virtualMods= AltGr,
        symbols[Group1] = [ ISO_First_Group ]
    };
    key <MENU> {
        virtualMods= AltGr,
        symbols[Group1] = [ ISO_Last_Group ]
    };
    key <RWIN> {
        virtualMods= AltGr,
        symbols[Group1] = [ ISO_Last_Group ]
    };
};

// Pressing the left Ctrl key selects the first group,
// pressing the right Ctrl key selects the last group.
partial modifier_keys
xkb_symbols "lctrl_rctrl_switch" {
    virtual_modifiers AltGr;
    key <LCTL> {
        virtualMods= AltGr,
        symbols[Group1] = [ ISO_First_Group ]
    };
    key <RCTL> {
        virtualMods= AltGr,
        symbols[Group1] = [ ISO_Last_Group ]
    };
};


//
// CTRL-SHIFT toggle section
//
partial modifier_keys
xkb_symbols "lctrl_lshift_toggle" {
    key <LFSH> {
        type[Group1]="PC_CONTROL_LEVEL2",
        symbols[Group1] = [ Shift_L, ISO_Next_Group ]
    };
    key <LCTL> { [ Control_L, ISO_Next_Group ] };
};

partial modifier_keys
xkb_symbols "lctrl_lshift_toggle_rev" {
    key <LFSH> {
        type[Group1]="PC_CONTROL_LEVEL2",
        symbols[Group1] = [ Shift_L, ISO_Prev_Group ]
    };
    key <LCTL> { [ Control_L, ISO_Prev_Group ] };
};

partial modifier_keys
xkb_symbols "rctrl_rshift_toggle" {
    key <RTSH> {
        type[Group1]="PC_CONTROL_LEVEL2",
        symbols[Group1] = [ Shift_R, ISO_Next_Group ]
    };
    key <RCTL> { [ Control_R, ISO_Next_Group ] };
};

partial modifier_keys
xkb_symbols "ctrl_shift_toggle" {
    include "group(lctrl_lshift_toggle)"
    include "group(rctrl_rshift_toggle)"
};

partial modifier_keys
xkb_symbols "ctrl_shift_toggle_bidir" {
    include "group(lctrl_lshift_toggle_rev)"
    include "group(rctrl_rshift_toggle)"
};


//
// CTRL-ALT toggle section
//
partial modifier_keys
xkb_symbols "lctrl_lalt_toggle" {
    virtual_modifiers Alt;
    key <LALT> {
        type[Group1]="PC_CONTROL_LEVEL2",
        symbols[Group1] = [ NoSymbol, ISO_Next_Group ],
        virtualMods= Alt
    };
    key <LCTL> {
        type[Group1]="PC_ALT_LEVEL2",
        symbols[Group1] = [ Control_L, ISO_Next_Group ]
    };
};

partial modifier_keys
xkb_symbols "lctrl_lalt_toggle_rev" {
    virtual_modifiers Alt;
    key <LALT> {
        type[Group1]="PC_CONTROL_LEVEL2",
        symbols[Group1] = [ NoSymbol, ISO_Prev_Group ],
        virtualMods= Alt
    };
    key <LCTL> {
        type[Group1]="PC_ALT_LEVEL2",
        symbols[Group1] = [ Control_L, ISO_Prev_Group ]
    };
};

partial modifier_keys
xkb_symbols "rctrl_ralt_toggle" {
    virtual_modifiers Alt;
    key <RALT> {
        type[Group1]="PC_CONTROL_LEVEL2",
        symbols[Group1] = [ NoSymbol, ISO_Next_Group ],
        virtualMods= Alt
    };
    key <RCTL> {
        type[Group1]="PC_ALT_LEVEL2",
        symbols[Group1] = [ Control_R, ISO_Next_Group ]
    };
};

partial modifier_keys
xkb_symbols "ctrl_alt_toggle" {
    include "group(lctrl_lalt_toggle)"
    include "group(rctrl_ralt_toggle)"
};

partial modifier_keys
xkb_symbols "ctrl_alt_toggle_bidir" {
    include "group(lctrl_lalt_toggle_rev)"
    include "group(rctrl_ralt_toggle)"
};


//
// ALT-SHIFT toggle section
//
partial modifier_keys
xkb_symbols "lalt_lshift_toggle" {
    virtual_modifiers Alt;
    key <LALT> {
        symbols[Group1] = [ NoSymbol, ISO_Next_Group ],
        virtualMods= Alt
    };
    key <LFSH> {
        type[Group1]="PC_ALT_LEVEL2",
        symbols[Group1] = [ Shift_L, ISO_Next_Group ]
    };
};

partial modifier_keys
xkb_symbols "lalt_lshift_toggle_rev" {
    virtual_modifiers Alt;
    key <LALT> {
        symbols[Group1] = [ NoSymbol, ISO_Prev_Group ],
        virtualMods= Alt
    };
    key <LFSH> {
        type[Group1]="PC_ALT_LEVEL2",
        symbols[Group1] = [ Shift_L, ISO_Prev_Group ]
    };
};

partial modifier_keys
xkb_symbols "ralt_rshift_toggle" {
    virtual_modifiers Alt;
    key <RALT> {
        symbols[Group1] = [ NoSymbol, ISO_Next_Group ],
        virtualMods= Alt
    };
    key <RTSH> {
        type[Group1]="PC_ALT_LEVEL2",
        symbols[Group1] = [ Shift_R, ISO_Next_Group ]
    };
};

partial modifier_keys
xkb_symbols "alt_shift_toggle" {
    include "group(lalt_lshift_toggle)"
    include "group(ralt_rshift_toggle)"
};

partial modifier_keys
xkb_symbols "alt_shift_toggle_bidir" {
    include "group(lalt_lshift_toggle_rev)"
    include "group(ralt_rshift_toggle)"
};


// Pressing the Menu key switches to the next group,
// while Shift+Menu acts as Menu.
partial modifier_keys
xkb_symbols "menu_toggle" {
    key <MENU> { [ ISO_Next_Group, Menu ] };
};

// Pressing the left Win key switches to the next group.
// (Using this map, you should declare your keyboard as
// pc101 or pc102 instead of pc104 or pc105.)
partial modifier_keys
xkb_symbols "lwin_toggle" {
    virtual_modifiers AltGr;
    key <LWIN> {
         virtualMods= AltGr,
        symbols[Group1] = [ ISO_Next_Group ]
    };
};

// Pressing the right Win key switches to the next group.
// (Using this map, you should declare your keyboard as
// pc101 or pc102 instead of pc104 or pc105.)
partial modifier_keys
xkb_symbols "rwin_toggle" {
    virtual_modifiers AltGr;
    key <RWIN> {
        virtualMods= AltGr,
        symbols[Group1] = [ ISO_Next_Group ]
    };
};

// Pressing both Ctrl keys switches to the next or previous group
// (depending on which Ctrl is pressed first).
partial modifier_keys
xkb_symbols "ctrls_toggle" {
    virtual_modifiers LControl, RControl;
    key <LCTL> {
        type[Group1]="PC_RCONTROL_LEVEL2",
        symbols[Group1] = [ NoSymbol, ISO_Prev_Group ],
        virtualMods= LControl
    };
    key <RCTL> {
        type[Group1]="PC_LCONTROL_LEVEL2",
        symbols[Group1] = [ NoSymbol, ISO_Next_Group ],
        virtualMods= RControl
    };
};

// Pressing both Alt keys switches to the next or previous group
// (depending on which Alt is pressed first).
partial modifier_keys
xkb_symbols "alts_toggle" {
    virtual_modifiers LAlt, RAlt;
    key <LALT> {
        type[Group1]="PC_RALT_LEVEL2",
        symbols[Group1] = [ NoSymbol, ISO_Prev_Group ],
        virtualMods= LAlt
    };
    key <RALT> {
        type[Group1]="PC_LALT_LEVEL2",
        symbols[Group1] = [ NoSymbol, ISO_Next_Group ],
        virtualMods= RAlt
    };
};

// Pressing the left Shift key switches to the next group.
partial modifier_keys
xkb_symbols "lshift_toggle" {
    virtual_modifiers AltGr;
    key <LFSH> {
        symbols[Group1] = [ ISO_Next_Group ],
        virtualMods= AltGr
    };
};

// Pressing the right Shift key switches to the next group.
partial modifier_keys
xkb_symbols "rshift_toggle" {
    virtual_modifiers AltGr;
    key <RTSH> {
        symbols[Group1] = [ ISO_Next_Group ],
        virtualMods= AltGr
    };
};

// Pressing the left Alt key switches to the next group.
partial modifier_keys
xkb_symbols "lalt_toggle" {
    virtual_modifiers AltGr;
    key <LALT> {
        symbols[Group1] = [ ISO_Next_Group ],
        virtualMods= AltGr
    };
};

// Pressing the left Ctrl key switches to the next group.
partial modifier_keys
xkb_symbols "lctrl_toggle" {
    virtual_modifiers AltGr;
    key <LCTL> {
        symbols[Group1] = [ ISO_Next_Group ],
        virtualMods= AltGr
    };
};

// Pressing the right Ctrl key switches to the next group.
partial modifier_keys
xkb_symbols "rctrl_toggle" {
    virtual_modifiers AltGr;
    key <RCTL> {
        symbols[Group1] = [ ISO_Next_Group ],
        virtualMods= AltGr
    };
};

// Pressing Alt+Caps_Lock switches to the next group,
// pressing Caps_Lock toggles CapsLock.
partial modifier_keys
xkb_symbols "alt_caps_toggle" {
    key <CAPS> {
       type="PC_ALT_LEVEL2",
       symbols[Group1] = [ Caps_Lock, ISO_Next_Group ]
    };
};

partial hidden modifier_keys
xkb_symbols "olpc" {
    key <I219> { [ ISO_Next_Group, ISO_Prev_Group ] };
};

partial modifier_keys
xkb_symbols "alt_space_toggle" {
    key <SPCE> {
        type[Group1]="PC_ALT_LEVEL2",
        symbols[Group1] = [ space, ISO_Next_Group ]
    };
};

// Pressing the Scroll Lock key switches to the next group,
partial modifier_keys
xkb_symbols "sclk_toggle" {
    virtual_modifiers AltGr;
    key <SCLK> {
        virtualMods= AltGr,
        symbols[Group1] = [ ISO_Next_Group ]
    };
};

// Control_L+Win_L selects the first group (presumably Lat),
// Control_R+Menu selects the second group (presumably Rus).
partial modifier_keys
xkb_symbols "lctrl_lwin_rctrl_menu" {
    key <LWIN> {
        type[Group1] = "PC_CONTROL_LEVEL2",
        symbols[Group1] = [ Super_L, ISO_First_Group ]
    };
    key <MENU> {
        type[Group1] = "PC_CONTROL_LEVEL2",
        symbols[Group1] = [ Menu, ISO_Last_Group ]
    };
};