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https://github.com/DarkFlippers/unleashed-firmware.git
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4258db3888
* HID app new keyboard WIP * Shift logic for special cases * Fix apostrophe button * Satisfy PVS * Review changes * Fix shift text * Satisfy PVS Co-authored-by: あく <alleteam@gmail.com> Co-authored-by: hedger <hedger@nanode.su> Co-authored-by: hedger <hedger@users.noreply.github.com>
502 lines
20 KiB
C
502 lines
20 KiB
C
#include "hid_keyboard.h"
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#include <furi.h>
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#include <gui/elements.h>
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#include <gui/icon_i.h>
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#include "../hid.h"
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#include "hid_icons.h"
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#define TAG "HidKeyboard"
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struct HidKeyboard {
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View* view;
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Hid* hid;
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};
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typedef struct {
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bool shift;
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bool alt;
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bool ctrl;
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bool gui;
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uint8_t x;
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uint8_t y;
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uint8_t last_key_code;
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bool ok_pressed;
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bool back_pressed;
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bool connected;
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} HidKeyboardModel;
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typedef struct {
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uint8_t width;
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char key;
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char shift_key;
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const Icon* icon;
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const Icon* icon_shift;
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const Icon* icon_toggled;
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uint8_t value;
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} HidKeyboardKey;
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typedef struct {
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int8_t x;
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int8_t y;
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} HidKeyboardPoint;
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// 4 BY 12
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#define MARGIN_TOP 0
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#define MARGIN_LEFT 3
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#define KEY_WIDTH 11
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#define KEY_HEIGHT 13
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#define KEY_PADDING -1
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#define ROW_COUNT 7
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#define COLUMN_COUNT 12
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// 0 width items are not drawn, but their value is used
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const HidKeyboardKey hid_keyboard_keyset[ROW_COUNT][COLUMN_COUNT] = {
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{
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{.width = 1, .icon = &I_ButtonF1_5x8, .value = HID_KEYBOARD_F1},
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{.width = 1, .icon = &I_ButtonF2_5x8, .value = HID_KEYBOARD_F2},
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{.width = 1, .icon = &I_ButtonF3_5x8, .value = HID_KEYBOARD_F3},
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{.width = 1, .icon = &I_ButtonF4_5x8, .value = HID_KEYBOARD_F4},
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{.width = 1, .icon = &I_ButtonF5_5x8, .value = HID_KEYBOARD_F5},
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{.width = 1, .icon = &I_ButtonF6_5x8, .value = HID_KEYBOARD_F6},
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{.width = 1, .icon = &I_ButtonF7_5x8, .value = HID_KEYBOARD_F7},
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{.width = 1, .icon = &I_ButtonF8_5x8, .value = HID_KEYBOARD_F8},
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{.width = 1, .icon = &I_ButtonF9_5x8, .value = HID_KEYBOARD_F9},
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{.width = 1, .icon = &I_ButtonF10_5x8, .value = HID_KEYBOARD_F10},
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{.width = 1, .icon = &I_ButtonF11_5x8, .value = HID_KEYBOARD_F11},
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{.width = 1, .icon = &I_ButtonF12_5x8, .value = HID_KEYBOARD_F12},
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},
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{
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{.width = 1, .icon = NULL, .key = '1', .shift_key = '!', .value = HID_KEYBOARD_1},
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{.width = 1, .icon = NULL, .key = '2', .shift_key = '@', .value = HID_KEYBOARD_2},
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{.width = 1,
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.icon = NULL,
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.icon_shift = &I_hash_button_9x11,
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.key = '3',
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.value = HID_KEYBOARD_3},
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{.width = 1, .icon = NULL, .key = '4', .shift_key = '$', .value = HID_KEYBOARD_4},
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{.width = 1,
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.icon = NULL,
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.icon_shift = &I_percent_button_9x11,
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.key = '5',
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.value = HID_KEYBOARD_5},
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{.width = 1, .icon = NULL, .key = '6', .shift_key = '^', .value = HID_KEYBOARD_6},
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{.width = 1, .icon = NULL, .key = '7', .shift_key = '&', .value = HID_KEYBOARD_7},
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{.width = 1, .icon = NULL, .key = '8', .shift_key = '*', .value = HID_KEYBOARD_8},
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{.width = 1, .icon = NULL, .key = '9', .shift_key = '(', .value = HID_KEYBOARD_9},
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{.width = 1, .icon = NULL, .key = '0', .shift_key = ')', .value = HID_KEYBOARD_0},
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{.width = 2, .icon = &I_backspace_19x11, .value = HID_KEYBOARD_DELETE},
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{.width = 0, .value = HID_KEYBOARD_DELETE},
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},
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{
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{.width = 1, .icon = NULL, .key = 'q', .shift_key = 'Q', .value = HID_KEYBOARD_Q},
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{.width = 1, .icon = NULL, .key = 'w', .shift_key = 'W', .value = HID_KEYBOARD_W},
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{.width = 1, .icon = NULL, .key = 'e', .shift_key = 'E', .value = HID_KEYBOARD_E},
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{.width = 1, .icon = NULL, .key = 'r', .shift_key = 'R', .value = HID_KEYBOARD_R},
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{.width = 1, .icon = NULL, .key = 't', .shift_key = 'T', .value = HID_KEYBOARD_T},
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{.width = 1, .icon = NULL, .key = 'y', .shift_key = 'Y', .value = HID_KEYBOARD_Y},
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{.width = 1, .icon = NULL, .key = 'u', .shift_key = 'U', .value = HID_KEYBOARD_U},
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{.width = 1, .icon = NULL, .key = 'i', .shift_key = 'I', .value = HID_KEYBOARD_I},
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{.width = 1, .icon = NULL, .key = 'o', .shift_key = 'O', .value = HID_KEYBOARD_O},
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{.width = 1, .icon = NULL, .key = 'p', .shift_key = 'P', .value = HID_KEYBOARD_P},
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{.width = 1,
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.icon = &I_sq_bracket_left_button_9x11,
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.icon_shift = &I_brace_left_button_9x11,
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.value = HID_KEYBOARD_OPEN_BRACKET},
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{.width = 1,
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.icon = &I_sq_bracket_right_button_9x11,
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.icon_shift = &I_brace_right_button_9x11,
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.value = HID_KEYBOARD_CLOSE_BRACKET},
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},
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{
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{.width = 1, .icon = NULL, .key = 'a', .shift_key = 'A', .value = HID_KEYBOARD_A},
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{.width = 1, .icon = NULL, .key = 's', .shift_key = 'S', .value = HID_KEYBOARD_S},
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{.width = 1, .icon = NULL, .key = 'd', .shift_key = 'D', .value = HID_KEYBOARD_D},
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{.width = 1, .icon = NULL, .key = 'f', .shift_key = 'F', .value = HID_KEYBOARD_F},
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{.width = 1, .icon = NULL, .key = 'g', .shift_key = 'G', .value = HID_KEYBOARD_G},
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{.width = 1, .icon = NULL, .key = 'h', .shift_key = 'H', .value = HID_KEYBOARD_H},
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{.width = 1, .icon = NULL, .key = 'j', .shift_key = 'J', .value = HID_KEYBOARD_J},
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{.width = 1, .icon = NULL, .key = 'k', .shift_key = 'K', .value = HID_KEYBOARD_K},
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{.width = 1, .icon = NULL, .key = 'l', .shift_key = 'L', .value = HID_KEYBOARD_L},
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{.width = 1, .icon = NULL, .key = ';', .shift_key = ':', .value = HID_KEYBOARD_SEMICOLON},
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{.width = 2, .icon = &I_Return_10x7, .value = HID_KEYBOARD_RETURN},
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{.width = 0, .value = HID_KEYBOARD_RETURN},
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},
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{
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{.width = 1, .icon = NULL, .key = 'z', .shift_key = 'Z', .value = HID_KEYBOARD_Z},
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{.width = 1, .icon = NULL, .key = 'x', .shift_key = 'X', .value = HID_KEYBOARD_X},
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{.width = 1, .icon = NULL, .key = 'c', .shift_key = 'C', .value = HID_KEYBOARD_C},
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{.width = 1, .icon = NULL, .key = 'v', .shift_key = 'V', .value = HID_KEYBOARD_V},
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{.width = 1, .icon = NULL, .key = 'b', .shift_key = 'B', .value = HID_KEYBOARD_B},
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{.width = 1, .icon = NULL, .key = 'n', .shift_key = 'N', .value = HID_KEYBOARD_N},
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{.width = 1, .icon = NULL, .key = 'm', .shift_key = 'M', .value = HID_KEYBOARD_M},
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{.width = 1, .icon = &I_slash_button_9x11, .shift_key = '?', .value = HID_KEYBOARD_SLASH},
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{.width = 1,
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.icon = &I_backslash_button_9x11,
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.shift_key = '|',
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.value = HID_KEYBOARD_BACKSLASH},
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{.width = 1,
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.icon = &I_backtick_button_9x11,
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.shift_key = '~',
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.value = HID_KEYBOARD_GRAVE_ACCENT},
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{.width = 1, .icon = &I_ButtonUp_7x4, .value = HID_KEYBOARD_UP_ARROW},
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{.width = 1,
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.icon = NULL,
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.icon_shift = &I_underscore_button_9x11,
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.key = '-',
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.value = HID_KEYBOARD_MINUS},
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},
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{
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{.width = 1,
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.icon = &I_Shift_inactive_7x9,
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.icon_toggled = &I_Shift_active_7x9,
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.value = HID_KEYBOARD_L_SHIFT},
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{.width = 1, .icon = NULL, .key = ',', .shift_key = '<', .value = HID_KEYBOARD_COMMA},
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{.width = 1, .icon = NULL, .key = '.', .shift_key = '>', .value = HID_KEYBOARD_DOT},
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{.width = 4, .icon = NULL, .key = ' ', .value = HID_KEYBOARD_SPACEBAR},
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{.width = 0, .value = HID_KEYBOARD_SPACEBAR},
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{.width = 0, .value = HID_KEYBOARD_SPACEBAR},
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{.width = 0, .value = HID_KEYBOARD_SPACEBAR},
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{.width = 1,
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.icon = &I_apostrophe_button_9x11,
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.icon_shift = &I_quote_button_9x11,
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.value = HID_KEYBOARD_APOSTROPHE},
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{.width = 1,
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.icon = &I_equals_button_9x11,
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.shift_key = '+',
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.value = HID_KEYBOARD_EQUAL_SIGN},
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{.width = 1, .icon = &I_ButtonLeft_4x7, .value = HID_KEYBOARD_LEFT_ARROW},
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{.width = 1, .icon = &I_ButtonDown_7x4, .value = HID_KEYBOARD_DOWN_ARROW},
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{.width = 1, .icon = &I_ButtonRight_4x7, .value = HID_KEYBOARD_RIGHT_ARROW},
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},
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{
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{.width = 2,
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.icon = &I_Ctrl_17x10,
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.icon_toggled = &I_Ctrl_active_17x9,
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.value = HID_KEYBOARD_L_CTRL},
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{.width = 0, .value = HID_KEYBOARD_L_CTRL},
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{.width = 2,
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.icon = &I_Alt_17x10,
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.icon_toggled = &I_Alt_active_17x9,
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.value = HID_KEYBOARD_L_ALT},
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{.width = 0, .value = HID_KEYBOARD_L_ALT},
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{.width = 2,
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.icon = &I_Cmd_17x10,
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.icon_toggled = &I_Cmd_active_17x9,
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.value = HID_KEYBOARD_L_GUI},
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{.width = 0, .value = HID_KEYBOARD_L_GUI},
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{.width = 2, .icon = &I_Tab_17x10, .value = HID_KEYBOARD_TAB},
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{.width = 0, .value = HID_KEYBOARD_TAB},
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{.width = 2, .icon = &I_Esc_17x10, .value = HID_KEYBOARD_ESCAPE},
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{.width = 0, .value = HID_KEYBOARD_ESCAPE},
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{.width = 2, .icon = &I_Del_17x10, .value = HID_KEYBOARD_DELETE_FORWARD},
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{.width = 0, .value = HID_KEYBOARD_DELETE_FORWARD},
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},
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};
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static void hid_keyboard_draw_key(
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Canvas* canvas,
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HidKeyboardModel* model,
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uint8_t x,
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uint8_t y,
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HidKeyboardKey key,
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bool selected) {
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if(!key.width) return;
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canvas_set_color(canvas, ColorBlack);
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uint8_t keyWidth = KEY_WIDTH * key.width + KEY_PADDING * (key.width - 1);
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if(selected) {
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// Draw a filled box
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elements_slightly_rounded_box(
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canvas,
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MARGIN_LEFT + x * (KEY_WIDTH + KEY_PADDING),
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MARGIN_TOP + y * (KEY_HEIGHT + KEY_PADDING),
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keyWidth,
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KEY_HEIGHT);
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canvas_set_color(canvas, ColorWhite);
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} else {
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// Draw a framed box
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elements_slightly_rounded_frame(
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canvas,
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MARGIN_LEFT + x * (KEY_WIDTH + KEY_PADDING),
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MARGIN_TOP + y * (KEY_HEIGHT + KEY_PADDING),
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keyWidth,
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KEY_HEIGHT);
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}
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if(model->shift && key.icon_shift != NULL) {
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// Icon and shift
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const Icon* key_icon = key.icon_shift;
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if((model->ctrl && key.value == HID_KEYBOARD_L_CTRL) ||
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(model->alt && key.value == HID_KEYBOARD_L_ALT) ||
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(key.value == HID_KEYBOARD_L_SHIFT) ||
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(model->gui && key.value == HID_KEYBOARD_L_GUI)) {
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if(key.icon_toggled) {
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key_icon = key.icon_toggled;
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}
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}
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// Draw the icon centered on the button
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canvas_draw_icon(
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canvas,
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MARGIN_LEFT + x * (KEY_WIDTH + KEY_PADDING) + keyWidth / 2 - key_icon->width / 2,
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MARGIN_TOP + y * (KEY_HEIGHT + KEY_PADDING) + KEY_HEIGHT / 2 - key_icon->height / 2,
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key_icon);
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return;
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}
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if(model->shift && key.shift_key != 0) {
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// Text and shift
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char key_str[2] = {key.shift_key, '\0'};
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canvas_draw_str_aligned(
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canvas,
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MARGIN_LEFT + x * (KEY_WIDTH + KEY_PADDING) + keyWidth / 2 + 1,
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MARGIN_TOP + y * (KEY_HEIGHT + KEY_PADDING) + KEY_HEIGHT / 2 + 1,
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AlignCenter,
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AlignCenter,
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key_str);
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return;
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}
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if(key.icon != NULL) {
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// Icon with no shift
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const Icon* key_icon = key.icon;
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if((model->ctrl && key.value == HID_KEYBOARD_L_CTRL) ||
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(model->alt && key.value == HID_KEYBOARD_L_ALT) ||
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(model->shift && key.value == HID_KEYBOARD_L_SHIFT) ||
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(model->gui && key.value == HID_KEYBOARD_L_GUI)) {
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if(key.icon_toggled) {
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key_icon = key.icon_toggled;
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}
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}
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// Draw the icon centered on the button
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canvas_draw_icon(
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canvas,
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MARGIN_LEFT + x * (KEY_WIDTH + KEY_PADDING) + keyWidth / 2 - key_icon->width / 2,
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MARGIN_TOP + y * (KEY_HEIGHT + KEY_PADDING) + KEY_HEIGHT / 2 - key_icon->height / 2,
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key_icon);
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return;
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}
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if(key.key != 0) {
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// Text with no shift
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char key_str[2] = {key.key, '\0'};
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uint8_t key_offset = 0;
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// Special case for numbers, draw them one pixel lower
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if(key.value >= HID_KEYBOARD_1 && key.value <= HID_KEYBOARD_0) {
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key_offset = 1;
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}
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canvas_draw_str_aligned(
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canvas,
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MARGIN_LEFT + x * (KEY_WIDTH + KEY_PADDING) + keyWidth / 2 + 1,
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MARGIN_TOP + y * (KEY_HEIGHT + KEY_PADDING) + KEY_HEIGHT / 2 + key_offset,
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AlignCenter,
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AlignCenter,
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key_str);
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return;
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}
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}
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static void hid_keyboard_draw_callback(Canvas* canvas, void* context) {
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furi_assert(context);
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HidKeyboardModel* model = context;
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// Header
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#ifdef HID_TRANSPORT_BLE
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if(!model->connected) {
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canvas_draw_icon(canvas, 0, 0, &I_Ble_disconnected_15x15);
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canvas_set_font(canvas, FontPrimary);
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elements_multiline_text_aligned(canvas, 17, 3, AlignLeft, AlignTop, "Keyboard");
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canvas_draw_icon(canvas, 68, 3, &I_Pin_back_arrow_10x8);
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canvas_set_font(canvas, FontSecondary);
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elements_multiline_text_aligned(canvas, 127, 4, AlignRight, AlignTop, "Hold to exit");
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elements_multiline_text_aligned(
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canvas, 4, 60, AlignLeft, AlignBottom, "Waiting for Connection...");
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return; // Dont render the keyboard if we are not yet connected
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}
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#endif
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canvas_set_font(canvas, FontKeyboard);
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// Start shifting the all keys up if on the next row (Scrolling)
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uint8_t initY = model->y == 0 ? 0 : 1;
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if(model->y > 5) {
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initY = model->y - 4;
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}
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elements_scrollbar(canvas, initY, 3);
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for(uint8_t y = initY; y < ROW_COUNT; y++) {
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const HidKeyboardKey* keyboardKeyRow = hid_keyboard_keyset[y];
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uint8_t x = 0;
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for(uint8_t i = 0; i < COLUMN_COUNT; i++) {
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HidKeyboardKey key = keyboardKeyRow[i];
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// Select when the button is hovered
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// Select if the button is hovered within its width
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// Select if back is clicked and its the backspace key
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// Deselect when the button clicked or not hovered
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bool keySelected = (x <= model->x && model->x < (x + key.width)) && y == model->y;
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bool backSelected = model->back_pressed && key.value == HID_KEYBOARD_DELETE;
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hid_keyboard_draw_key(
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canvas,
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model,
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x,
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y - initY,
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key,
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(!model->ok_pressed && keySelected) || backSelected);
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x += key.width;
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}
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}
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}
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static uint8_t hid_keyboard_get_selected_key(HidKeyboardModel* model) {
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HidKeyboardKey key = hid_keyboard_keyset[model->y][model->x];
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return key.value;
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}
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static void hid_keyboard_get_select_key(HidKeyboardModel* model, HidKeyboardPoint delta) {
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// Keep going until a valid spot is found, this allows for nulls and zero width keys in the map
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do {
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const int delta_sum = model->y + delta.y;
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model->y = delta_sum < 0 ? ROW_COUNT - 1 : delta_sum % ROW_COUNT;
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} while(delta.y != 0 && hid_keyboard_keyset[model->y][model->x].value == 0);
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do {
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const int delta_sum = model->x + delta.x;
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model->x = delta_sum < 0 ? COLUMN_COUNT - 1 : delta_sum % COLUMN_COUNT;
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} while(delta.x != 0 && hid_keyboard_keyset[model->y][model->x].width ==
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0); // Skip zero width keys, pretend they are one key
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}
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static void hid_keyboard_modifier_set(Hid* hid, uint16_t keycode, bool is_pressed) {
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if(is_pressed) {
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hid_hal_keyboard_press(hid, keycode);
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} else {
|
|
hid_hal_keyboard_release(hid, keycode);
|
|
}
|
|
}
|
|
|
|
static void hid_keyboard_process(HidKeyboard* hid_keyboard, InputEvent* event) {
|
|
with_view_model(
|
|
hid_keyboard->view,
|
|
HidKeyboardModel * model,
|
|
{
|
|
if(event->key == InputKeyOk) {
|
|
if(event->type == InputTypePress) {
|
|
model->ok_pressed = true;
|
|
} else if(event->type == InputTypeLong || event->type == InputTypeShort) {
|
|
model->last_key_code = hid_keyboard_get_selected_key(model);
|
|
|
|
// Toggle the modifier key when clicked, and click the key
|
|
if(model->last_key_code == HID_KEYBOARD_L_SHIFT) {
|
|
model->shift = !model->shift;
|
|
hid_keyboard_modifier_set(
|
|
hid_keyboard->hid, KEY_MOD_LEFT_SHIFT, model->shift);
|
|
} else if(model->last_key_code == HID_KEYBOARD_L_ALT) {
|
|
model->alt = !model->alt;
|
|
hid_keyboard_modifier_set(hid_keyboard->hid, KEY_MOD_LEFT_ALT, model->alt);
|
|
} else if(model->last_key_code == HID_KEYBOARD_L_CTRL) {
|
|
model->ctrl = !model->ctrl;
|
|
hid_keyboard_modifier_set(
|
|
hid_keyboard->hid, KEY_MOD_LEFT_CTRL, model->ctrl);
|
|
} else if(model->last_key_code == HID_KEYBOARD_L_GUI) {
|
|
model->gui = !model->gui;
|
|
hid_keyboard_modifier_set(hid_keyboard->hid, KEY_MOD_LEFT_GUI, model->gui);
|
|
} else {
|
|
hid_hal_keyboard_press(hid_keyboard->hid, model->last_key_code);
|
|
}
|
|
|
|
} else if(event->type == InputTypeRelease) {
|
|
// Release happens after short and long presses
|
|
hid_hal_keyboard_release(hid_keyboard->hid, model->last_key_code);
|
|
model->ok_pressed = false;
|
|
}
|
|
} else if(event->key == InputKeyBack) {
|
|
// If back is pressed for a short time, backspace
|
|
if(event->type == InputTypePress) {
|
|
model->back_pressed = true;
|
|
} else if(event->type == InputTypeShort) {
|
|
hid_hal_keyboard_press(hid_keyboard->hid, HID_KEYBOARD_DELETE);
|
|
hid_hal_keyboard_release(hid_keyboard->hid, HID_KEYBOARD_DELETE);
|
|
} else if(event->type == InputTypeRelease) {
|
|
model->back_pressed = false;
|
|
}
|
|
} else if(event->type == InputTypePress || event->type == InputTypeRepeat) {
|
|
// Cycle the selected keys
|
|
if(event->key == InputKeyUp) {
|
|
hid_keyboard_get_select_key(model, (HidKeyboardPoint){.x = 0, .y = -1});
|
|
} else if(event->key == InputKeyDown) {
|
|
hid_keyboard_get_select_key(model, (HidKeyboardPoint){.x = 0, .y = 1});
|
|
} else if(event->key == InputKeyLeft) {
|
|
hid_keyboard_get_select_key(model, (HidKeyboardPoint){.x = -1, .y = 0});
|
|
} else if(event->key == InputKeyRight) {
|
|
hid_keyboard_get_select_key(model, (HidKeyboardPoint){.x = 1, .y = 0});
|
|
}
|
|
}
|
|
},
|
|
true);
|
|
}
|
|
|
|
static bool hid_keyboard_input_callback(InputEvent* event, void* context) {
|
|
furi_assert(context);
|
|
HidKeyboard* hid_keyboard = context;
|
|
bool consumed = false;
|
|
|
|
if(event->type == InputTypeLong && event->key == InputKeyBack) {
|
|
hid_hal_keyboard_release_all(hid_keyboard->hid);
|
|
with_view_model(
|
|
hid_keyboard->view,
|
|
HidKeyboardModel * model,
|
|
{
|
|
model->shift = false;
|
|
model->alt = false;
|
|
model->ctrl = false;
|
|
model->gui = false;
|
|
},
|
|
true);
|
|
} else {
|
|
hid_keyboard_process(hid_keyboard, event);
|
|
consumed = true;
|
|
}
|
|
|
|
return consumed;
|
|
}
|
|
|
|
HidKeyboard* hid_keyboard_alloc(Hid* bt_hid) {
|
|
HidKeyboard* hid_keyboard = malloc(sizeof(HidKeyboard));
|
|
hid_keyboard->view = view_alloc();
|
|
hid_keyboard->hid = bt_hid;
|
|
view_set_context(hid_keyboard->view, hid_keyboard);
|
|
view_allocate_model(hid_keyboard->view, ViewModelTypeLocking, sizeof(HidKeyboardModel));
|
|
view_set_draw_callback(hid_keyboard->view, hid_keyboard_draw_callback);
|
|
view_set_input_callback(hid_keyboard->view, hid_keyboard_input_callback);
|
|
|
|
with_view_model(hid_keyboard->view, HidKeyboardModel * model, { model->y = 1; }, true);
|
|
|
|
return hid_keyboard;
|
|
}
|
|
|
|
void hid_keyboard_free(HidKeyboard* hid_keyboard) {
|
|
furi_assert(hid_keyboard);
|
|
view_free(hid_keyboard->view);
|
|
free(hid_keyboard);
|
|
}
|
|
|
|
View* hid_keyboard_get_view(HidKeyboard* hid_keyboard) {
|
|
furi_assert(hid_keyboard);
|
|
return hid_keyboard->view;
|
|
}
|
|
|
|
void hid_keyboard_set_connected_status(HidKeyboard* hid_keyboard, bool connected) {
|
|
furi_assert(hid_keyboard);
|
|
with_view_model(
|
|
hid_keyboard->view, HidKeyboardModel * model, { model->connected = connected; }, true);
|
|
}
|