mirror of
https://github.com/alsa-project/alsa-utils
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6e9e84ba60
This commit is a preparation for making keybindings configurable. The hardcoded keys in the switch statements of mixer_widget.c, textbox.c, proc_files.c and card_select.c have been replaced by command enums. The command that shall be executed is looked up in the arrays `mixer_bindings` and `textbox_bindings`. The channel_mask enum has been made public, since LEFT and RIGHT are used as command arguments in bindings.c. Signed-off-by: Benjamin Abendroth <braph93@gmx.de> Signed-off-by: Jaroslav Kysela <perex@perex.cz>
77 lines
2.1 KiB
C
77 lines
2.1 KiB
C
#ifndef BINDINGS_H_INCLUDED
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#define BINDINGS_H_INCLUDED
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#include CURSESINC
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#include <menu.h>
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#include <stdint.h>
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/* Commands are stored in an uint16_t and may take an unsigned numeric argument.
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* The command itself is stored in the lower 7 bits, the argument is stored
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* in the higher 9 bits.
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*
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* The value `0` is used for no (unbound) command. */
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typedef uint16_t command_enum;
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extern command_enum mixer_bindings[KEY_MAX];
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/* No need for a 16bit type, since textbox commands don't take arguments */
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extern uint8_t textbox_bindings[KEY_MAX];
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#define CMD_WITH_ARG(CMD, ARG) \
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((CMD) + ((ARG) << 9))
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#define CMD_GET_COMMAND(CMD) \
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((CMD) & 0x1FF)
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#define CMD_GET_ARGUMENT(CMD) \
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((CMD) >> 9)
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enum mixer_command {
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// `CMD % 4` should produce the channel mask
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CMD_MIXER_CONTROL_DOWN_LEFT = 1,
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CMD_MIXER_CONTROL_DOWN_RIGHT,
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CMD_MIXER_CONTROL_DOWN,
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CMD_MIXER_CONTROL_UP_LEFT = 5,
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CMD_MIXER_CONTROL_UP_RIGHT,
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CMD_MIXER_CONTROL_UP,
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CMD_MIXER_CONTROL_SET_PERCENT_LEFT = 9,
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CMD_MIXER_CONTROL_SET_PERCENT_RIGHT,
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CMD_MIXER_CONTROL_SET_PERCENT,
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// Keep those in the same order as displayed on screen
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CMD_MIXER_HELP,
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CMD_MIXER_SYSTEM_INFORMATION,
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CMD_MIXER_SELECT_CARD,
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CMD_MIXER_CLOSE,
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CMD_MIXER_TOGGLE_VIEW_MODE,
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CMD_MIXER_SET_VIEW_MODE,
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CMD_MIXER_PREVIOUS,
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CMD_MIXER_NEXT,
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CMD_MIXER_FOCUS_CONTROL,
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CMD_MIXER_TOGGLE_MUTE,
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CMD_MIXER_TOGGLE_CAPTURE,
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CMD_MIXER_BALANCE_CONTROL,
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CMD_MIXER_REFRESH
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};
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enum textbox_command {
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/* Since these commands are also used by the menu widget we make use of
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* the menu_driver() request constants.
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* KEY_MAX is substracted so the value fits in 8 bits. */
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CMD_TEXTBOX___MIN_MENU_COMMAND = MIN_MENU_COMMAND - KEY_MAX,
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CMD_TEXTBOX_TOP = REQ_FIRST_ITEM - KEY_MAX,
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CMD_TEXTBOX_BOTTOM = REQ_LAST_ITEM - KEY_MAX,
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CMD_TEXTBOX_LEFT = REQ_LEFT_ITEM - KEY_MAX,
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CMD_TEXTBOX_RIGHT = REQ_RIGHT_ITEM - KEY_MAX,
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CMD_TEXTBOX_UP = REQ_UP_ITEM - KEY_MAX,
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CMD_TEXTBOX_DOWN = REQ_DOWN_ITEM - KEY_MAX,
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CMD_TEXTBOX_PAGE_DOWN = REQ_SCR_DPAGE - KEY_MAX,
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CMD_TEXTBOX_PAGE_UP = REQ_SCR_UPAGE - KEY_MAX,
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CMD_TEXTBOX___MAX_MENU_COMMAND = MAX_MENU_COMMAND - KEY_MAX,
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CMD_TEXTBOX_PAGE_LEFT,
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CMD_TEXTBOX_PAGE_RIGHT,
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CMD_TEXTBOX_CLOSE,
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};
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#endif
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