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451 lines
21 KiB
C++
451 lines
21 KiB
C++
/*
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* Keyman is copyright (C) 2004 - 2024 SIL International. MIT License.
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*
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* Mnemonic layout support for mac
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*
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* Throughout mcompile we use the following naming conventions:
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* KEYCODE: (name on Linux, Mac):The physical position of a key on a keyboard e.g. Keycode for 'Z' on US: 6 on Mac | 52 on Linux/x11 | 44 on Windows
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* SCANCODE (name on Windows): The physical position of a key on a keyboard e.g. Keycode for 'Z' on US: 44 on Windows
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* VIRTUAL KEY: The value of a character on a key e.g. 'A' = 65; 'a' = 97 - not neccessarily the same as ACSII- exists on a Windows keyboard only
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* KEYVAL(UE): The value of a character on a key e.g. 'A' = 65; 'a' = 97 - not neccessarily the same as ACSII
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*/
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#include "keymap.h"
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#include "kmx_file.h"
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/**
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* @brief map a shiftstate used on Windows to a shiftstate suitable for UCKeyTranslate() on the mac
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* Windows: (Base: 00000000 (0); Shift 00010000 (16); AltGr 00001001 (9); Shift+AltGr 00011001 (25))
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* mac: (Base: 0; Shift 2; OPT 8; Shift+OPT 10 )
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* @param shiftState shiftstate used on Windows
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* @return a shiftstate usable for UCKeyTranslate() on mac if available
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* if shiftState is a Windows ShiftState: convert the Windows ShiftState (0,16,9,25) to a mac ShiftState (0,2,8,10)
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* if shiftState is NOT a Windows ShiftState (then in_ShiftState is already a mac shiftstate): return the entered shiftstate
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*/
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int mac_convert_Shiftstate_to_MacShiftstate(int shiftState) {
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if (shiftState == 0) return MAC_BASE; // Win ss 0 -> mac ss 0
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else if (shiftState == K_SHIFTFLAG) return MAC_SHIFT; // Win ss 16 -> mac ss 2
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else if (shiftState == (LCTRLFLAG | RALTFLAG)) return MAC_OPT; // Win ss 9 -> mac ss 8
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else if (shiftState == (K_SHIFTFLAG | LCTRLFLAG | RALTFLAG)) return MAC_SHIFT_OPT; // Win ss 25 -> mac ss 10
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else return shiftState; // Win ss x -> mac ss x
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}
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/**
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* @brief map a shiftstate used in rgkey (a vector of VirtualKey*) to a shiftstate suitable for UCKeyTranslate() on the mac
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* rgkey: (Base: 0; Shift 1; OPT 6; Shift+OPT 7 )
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* mac: (Base: 0; Shift 2; OPT 8; Shift+OPT 10)
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* @param rgkey_ShiftState shiftstate used in rgkey
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* @return a shiftstate usable for UCKeyTranslate() on mac if available
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* if shiftState is a Windows ShiftState: convert the Windows ShiftState (0,16,9,25) to a mac ShiftState (0,2,8,10)
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* if shiftState is NOT a Windows ShiftState (then in_ShiftState is already a mac shiftstate): return the entered shiftstate
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*/
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int mac_convert_rgkey_Shiftstate_to_MacShiftstate(int rgkey_ShiftState) {
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if (rgkey_ShiftState == 0) return MAC_BASE;
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else if (rgkey_ShiftState == 1) return MAC_SHIFT;
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else if (rgkey_ShiftState == 6) return MAC_OPT;
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else if (rgkey_ShiftState == 7) return MAC_SHIFT_OPT;
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else return rgkey_ShiftState;
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}
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/**
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* @brief check for correct input parameter that will later be used in UCKeyTranslate()
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* @param shiftstate the currently used shiftstate
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* @param keycode the code of the key in question
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* @return true if all parameters are OK;
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* false if not
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*/
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bool ensureValidInputForKeyboardTranslation(int shiftstate, int keycode) {
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if (!(std::find(std::begin(ss_mac), std::end(ss_mac), shiftstate) != std::end(ss_mac)))
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return false;
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if (keycode > keycode_max)
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return false;
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return true;
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}
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/**
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* @brief create a 3D-Vector containing data of the US keyboard and the currently used (underlying) keyboard
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* all_vector [ US_Keyboard ]
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* [KeyCode_US ]
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* [Keyval unshifted ]
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* [Keyval shifted ]
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* [Underlying Kbd]
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* [KeyCode_underlying]
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* [Keyval unshifted ]
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* [Keyval shifted ]
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* @param[in,out] all_vector Vector that holds the data of the US keyboard as well as the currently used (underlying) keyboard
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* @param keyboard_layout pointer to currently used (underlying) keyboard layout
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* @return 0 on success;
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* 1 if data of US keyboard was not written;
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* 2 if data of underlying keyboard was not written
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*/
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int mac_createOneVectorFromBothKeyboards(vec_dword_3D& all_vector, const UCKeyboardLayout* keyboard_layout) {
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// store contents of the English (US) keyboard in all_vector
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if (mac_write_US_ToVector(all_vector)) {
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printf("ERROR: can't write full US to Vector \n");
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return 1;
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}
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// add contents of underlying keyboard to all_vector
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if (mac_append_underlying_ToVector(all_vector, keyboard_layout)) {
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printf("ERROR: can't append underlying ToVector \n");
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return 2;
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}
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return 0;
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}
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/**
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* @brief write data of the US keyboard into a 3D-Vector which later will contain
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* data of the US keyboard and the currently used (underlying) keyboard
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* @param[in,out] vec_us Vector that holds the data of the US keyboard
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* @return 0 on success;
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* 1 if data of US keyboard was not written;
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*/
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int mac_write_US_ToVector(vec_dword_3D& vec_us) {
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// Values for US : A, S, D, F, H, G, Z, X, C, V, §, B, Q, W, E, R, Y, T, 1, 2, 3, 4, 6, 5, =, 9, 7, -, 8, 0, ], O, U, [, I, P,CR, L, J, ', K, ;, \, ,, /, N, M, .
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std::vector<int> us_Base = {97,115,100,102,104,103,122,120,99,118,167,98,113,119,101,114,121,116,49,50,51,52,54,53,61,57,55,45,56,48, 93,111,117, 91,105,112,13,108,106,39,107,59, 92,44,47,110,109,46};
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std::vector<int> us_Shift = {65, 83, 68, 70, 72, 71, 90, 88,67, 86,177,66, 81, 87, 69, 82, 89, 84,33,64,35,36,94,37,43,40,38,95,42,41,125, 79, 85,123, 73, 80,13, 76, 74,34, 75,58,124,60,63, 78, 77,62};
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vec_dword_1D values;
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vec_dword_2D key;
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for (int i = 0; i < us_Base.size(); i++) {
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values.push_back(i);
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values.push_back(us_Base[i]);
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values.push_back(us_Shift[i]);
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key.push_back(values);
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values.clear();
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}
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vec_us.push_back(key);
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if (key.size() == 0) {
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printf("ERROR: can't Create Vector for US keyboard\n");
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return 1;
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} else if (key.size() < 48) {
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printf("ERROR: keyboard not created completely\n");
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return 1;
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} else
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return 0;
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}
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/**
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* @brief create an 2D-Vector with all fields initialized to INVALID_NAME
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* @param dim_rows number of rows in vector
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* @param dim_ss number of columns in vector
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* @return the 2D-Vector
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*/
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vec_dword_2D mac_create_empty_2D_Vector(int dim_rows, int dim_ss) {
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vec_dword_1D shifts;
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vec_dword_2D vector_2D;
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for (int j = 0; j < dim_ss; j++) {
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shifts.push_back(INVALID_NAME);
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}
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for (int i = 0; i < dim_rows; i++) {
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vector_2D.push_back(shifts);
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}
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return vector_2D;
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}
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/**
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* @brief append a 2D-vector containing data of the currently used (underlying) keyboard to the 3D-vector all_vector
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* @param[in,out] all_vector 3D-vector that holds the data of the US keyboard and the currently used (underlying) keyboard
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* @param keyboard_layout pointer to currently used (underlying) keybord layout
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* @return 0 on success;
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* 1 if the initialization of the underlying vector fails;
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* 2 if data of less than 2 keyboards is contained in all_vector;
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*/
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int mac_append_underlying_ToVector(vec_dword_3D& all_vector, const UCKeyboardLayout* keyboard_layout) {
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if (all_vector.size() != 1) {
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printf("ERROR: data for US keyboard not correct\n");
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return 1;
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}
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// create a 2D vector all filled with " " and push to 3D-Vector
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vec_dword_2D underlying_Vector2D = mac_create_empty_2D_Vector(all_vector[0].size(), all_vector[0][0].size());
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if (underlying_Vector2D.size() == 0) {
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printf("ERROR: can't create empty 2D-Vector\n");
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return 1;
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}
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all_vector.push_back(underlying_Vector2D);
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if (all_vector.size() < 2) {
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printf("ERROR: creation of 3D-Vector failed\n");
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return 2;
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}
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for (int i = 0; i < (int)all_vector[1].size(); i++) {
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// get key name US stored in [0][i][0] and copy to name in "underlying"-block[1][i][0]
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all_vector[1][i][0] = all_vector[0][i][0];
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for (int k = 0; k < 2; k++) { // use BASE and SHIFT only
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all_vector[1][i][k + 1] = mac_KMX_get_KeyVal_From_KeyCode(keyboard_layout, all_vector[0][i][0], mac_convert_rgkey_Shiftstate_to_MacShiftstate(k), 0);
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}
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}
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return 0;
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}
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/**
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* @brief initializes GDK and return the current keyboard_layout for later use
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* @param keyboard_layoutout[out] currently used (underlying) keyboard layout
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* @return 0 on success;
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* 1 if the display is not found;
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* 2 if the keymap is not found
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*/
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bool mac_InitializeUCHR(const UCKeyboardLayout** keyboard_layout) {
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TISInputSourceRef source = TISCopyCurrentKeyboardInputSource();
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if (!source) {
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printf("ERROR: can't get source\n");
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return TRUE;
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}
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CFDataRef layout_data = static_cast<CFDataRef>((TISGetInputSourceProperty(source, kTISPropertyUnicodeKeyLayoutData)));
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*keyboard_layout = reinterpret_cast<const UCKeyboardLayout*>(CFDataGetBytePtr(layout_data));
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if (!keyboard_layout) {
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printf("ERROR: Can't get keyboard_layout\n");
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return TRUE;
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}
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// intentionally leaking `source` in order to still be able to access `keyboard_layout`
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return FALSE;
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}
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/**
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* @brief return the keyvalue for a given Keycode, shiftstate and caps of the
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* currently used (underlying) keyboard layout
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* "What character will be produced for a keypress of a key and modifier?"
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* @param keyboard_layout pointer to the currently used (underlying) keyboard layout
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* @param keycode a key of the currently used keyboard layout
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* @param shiftstate_mac a shiftstate of the currently used keyboard layout
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* @param caps state of the caps key of the currently used keyboard layout
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* @return the keyval obtained from keycode, shiftstate and caps
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*/
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KMX_DWORD mac_KMX_get_KeyVal_From_KeyCode(const UCKeyboardLayout* keyboard_layout, int keycode, int shiftstate_mac, int caps) {
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UInt32 deadkeystate;
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UniCharCount maxStringlength = 5;
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UniCharCount actualStringlength = 0;
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OptionBits keyTranslateOptions = 0;
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UniChar unicodeString[maxStringlength];
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OSStatus status;
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unicodeString[0] = 0;
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if (!ensureValidInputForKeyboardTranslation(shiftstate_mac, keycode))
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return 0;
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/*
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UCKeyTranslate != 0 if a dk was found; then run UCKeyTranslate again with a SPACE (keycode_spacebar) to get the plain dk e.g.'^'.
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If CAPS is used: always add 4 e.g. SHIFT = 2; SHIFT+CAPS = 6
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*/
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status = UCKeyTranslate(keyboard_layout, keycode, kUCKeyActionDown, (shiftstate_mac + 4 * caps), LMGetKbdType(), keyTranslateOptions, &deadkeystate, maxStringlength, &actualStringlength, unicodeString);
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// If this was a deadkey (deadkeystate != 0), append a space
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if (deadkeystate != 0)
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status = UCKeyTranslate(keyboard_layout, keycode_spacebar, kUCKeyActionDown, (shiftstate_mac + 4 * caps), LMGetKbdType(), keyTranslateOptions, &deadkeystate, maxStringlength, &actualStringlength, unicodeString);
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// if there is no character assigned to the Key+Shift+CAPS UCKeyTranslate writes 0x01 into unicodeString[0]
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if (unicodeString[0] == 1) // impossible character
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return 0;
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else {
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return unicodeString[0]; // combined char e.g. 'â'
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}
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}
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/**
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* @brief return the keyvalue for a given Keycode, shiftstate and caps of the
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* currently used (underlying) keyboard layout taking dk into account
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* "What character will be produced for a keypress of a key and modifiers?
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* @param keyboard_layout pointer to the currently used (underlying) keyboard layout
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* @param keycode a key of the currently used keyboard layout
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* @param shiftstate_mac a shiftstate of the currently used keyboard layout
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* @param caps state of the caps key of the currently used keyboard layout
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* @param[in,out] deadkeystate states wheter a deadkey was used or not
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* @return the keyval obtained from keycode, shiftstate and caps
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*/
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KMX_DWORD mac_KMX_get_KeyVal_From_KeyCode_dk(const UCKeyboardLayout* keyboard_layout, int keycode, int shiftstate_mac, int caps, UInt32& deadkeystate) {
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UniCharCount maxStringlength = 5;
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UniCharCount actualStringlength = 0;
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OptionBits keyTranslateOptions = 0;
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UniChar unicodeString[maxStringlength];
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unicodeString[0] = 0;
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OSStatus status;
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if (!ensureValidInputForKeyboardTranslation(shiftstate_mac, keycode))
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return 0;
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/*
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UCKeyTranslate != 0 if a dk was found; then run UCKeyTranslate again with a SPACE (keycode_spacebar) to get the plain dk e.g.'^'.
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If CAPS is used: always add 4 e.g. SHIFT = 2; SHIFT+CAPS = 6
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*/
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status = UCKeyTranslate(keyboard_layout, keycode, kUCKeyActionDown, (shiftstate_mac + 4 * caps), LMGetKbdType(), keyTranslateOptions, &deadkeystate, maxStringlength, &actualStringlength, unicodeString);
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// If this was a deadkey, append a space
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if (deadkeystate != 0)
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status = UCKeyTranslate(keyboard_layout, keycode_spacebar, kUCKeyActionDown,(shiftstate_mac + 4 * caps), LMGetKbdType(), keyTranslateOptions, &deadkeystate, maxStringlength, &actualStringlength, unicodeString);
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// if there is no character assigned to the Key+Shift+CAPS UCKeyTranslate writes 0x01 into unicodeString[0]
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if (unicodeString[0] == 1) // impossible character
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return 0;
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else
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return unicodeString[0]; // combined char e.g. 'â'
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}
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/**
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* @brief return the keyvalue for a given Keycode and shiftstate of the currently used (underlying) keyboard layout.
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* "What character will be produced for a keypress of a key and modifiers on the underlying keyboard?
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* If a deadkey was found return 0xFFFF and copy the deadkey into deadKey
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* @param keyboard_layout a pointer to the currently used (underlying) keyboard layout
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* @param kc_underlying a key of the currently used keyboard
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* @param vk_ShiftState a shiftstate of the currently used keyboard layout
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* @param deadKey pointer to keyvalue if a deadkey was found; if not NULL
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* @return 0xFFFF in case a deadkey was found, then the deadkey is stored in deadKey;
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* or else the keyval obtained from Keycode and shiftstate and caps;
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*/
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KMX_DWORD mac_KMX_get_KeyValUnderlying_From_KeyCodeUnderlying(const UCKeyboardLayout* keyboard_layout, KMX_DWORD kc_underlying, KMX_DWORD vk_ShiftState, PKMX_WCHAR deadKey) {
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PKMX_WCHAR dky = NULL;
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UInt32 isdk = 0;
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KMX_DWORD keyV;
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int caps = 0;
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if (!ensureValidInputForKeyboardTranslation(mac_convert_Shiftstate_to_MacShiftstate(vk_ShiftState), kc_underlying))
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return 0;
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keyV = mac_KMX_get_KeyVal_From_KeyCode_dk(keyboard_layout, kc_underlying, (mac_convert_Shiftstate_to_MacShiftstate(vk_ShiftState)), caps, isdk);
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// if there was a deadkey return 0xFFFF and copy deadkey into dky; else return the keyvalue
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if (isdk != 0) {
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dky = (PKMX_WCHAR)(std::u16string(1, keyV)).c_str();
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*deadKey = *dky;
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return 0xFFFF;
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}
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*deadKey = 0;
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return keyV;
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}
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/**
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* @brief return the keyvalue of a key of the the currently used (underlying) keyboard for a given keyvalue of the US keyboard
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* "What character is on the same position/shiftstats/caps on the currently used (underlying) keyboard as on the US keyboard?"
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* @param all_vector 3D-vector that holds the data of the US keyboard and the currently used (underlying) keyboard
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* @param kv_us a keyvalue on the US keyboard
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* @return keyval of the underlying keyboard if available;
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* else the keyval of the US keyboard
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*/
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KMX_DWORD mac_KMX_get_KeyValUnderlying_From_KeyValUS(vec_dword_3D& all_vector, KMX_DWORD kv_us) {
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// look for kv_us for any shiftstate of US keyboard
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for (int i = 0; i < (int)all_vector[0].size() - 1; i++) {
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for (int j = 1; j < (int)all_vector[0][0].size(); j++) {
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if (all_vector[0][i][j] == kv_us)
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return all_vector[1][i][j];
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}
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}
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return kv_us;
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}
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/**
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* @brief return the keycode of the currently used (underlying) keyboard for a given keyvalue of the underlying keyboard
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* On what key of the underlying keyboard do we find a certain character?
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* @param all_vector 3D-vector that holds the data of the US keyboard and the currently used (underlying) keyboard
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* @param kv_underlying a keyvalue on the currently used (underlying) keyboard
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* @return keycode of the underlying keyboard if foundf;
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* else the keyval of the underlying keyboard
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*/
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KMX_DWORD mac_KMX_get_KeyCodeUnderlying_From_KeyValUnderlying(vec_dword_3D& all_vector, KMX_DWORD kv_underlying) {
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// look for kv_us for any shiftstate of US keyboard
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for (int i = 0; i < all_vector[1].size() - 1; i++) {
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for (int j = 1; j < all_vector[1][0].size(); j++) {
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if (all_vector[1][i][j] == kv_underlying) {
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return all_vector[1][i][0];
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}
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}
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}
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return kv_underlying;
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}
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/**
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* @brief return the keycode of the currently used (underlying) keyboard for a given keycode of a character on the US keyboard
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* "Where on an underlying keyboard do we find a character that is on a certain key on a US keyboard?"
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* @param keyboard_layout the currently used (underlying) keyboard layout
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* @param all_vector 3D-vector that holds the data of the US keyboard and the currently used (underlying) keyboard
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* @param kc_us a key of the US keyboard
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* @param ss_win a Windows-type shiftstate
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* @param caps state of the caps key
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* @return the keycode of the underlying keyboard if found;
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* else the keycode of the US keyboard
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*/
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KMX_DWORD mac_KMX_get_KeyCodeUnderlying_From_KeyCodeUS(const UCKeyboardLayout* keyboard_layout, vec_dword_3D& all_vector, KMX_DWORD kc_us, ShiftState ss_win, int caps) {
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// first get the keyvalue kv of the key on the US keyboard (kc_us)
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KMX_DWORD kv = mac_KMX_get_KeyVal_From_KeyCode(keyboard_layout, kc_us, mac_convert_rgkey_Shiftstate_to_MacShiftstate(ss_win), caps);
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// then find the same keyvalue on the underlying keyboard and return the keycode of that key on the underlying keyboard
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for (int i = 0; i < (int)all_vector[1].size() - 1; i++) {
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for (int j = 1; j < (int)all_vector[1][0].size(); j++) {
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if (all_vector[1][i][j] == kv)
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return all_vector[1][i][0];
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}
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}
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return kc_us;
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}
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|
|
|
/**
|
|
* @brief return the keycode of the currently used (underlying) keyboard for a given virtual key of the US keyboard
|
|
* "Where on an underlying keyboard do we find a character of a US keyboard?"
|
|
* @param virtualKeyUS a virtual key of the US keyboard
|
|
* @return the keycode of the currently used (underlying) keyboard
|
|
* 0xFFFF if the key is not used
|
|
*/
|
|
KMX_DWORD mac_KMX_get_KeyCodeUnderlying_From_VKUS(KMX_DWORD virtualKeyUS) {
|
|
// on the mac virtual keys do not exist. Nevertheless we can use this mapping to obtain an 'artificial' us virtual key from a keycode
|
|
return (mac_USVirtualKeyToScanCode[virtualKeyUS]);
|
|
}
|
|
|
|
/**
|
|
* @brief return a virtual key of the US keyboard for a given keycode of the currently used (underlying) keyboard
|
|
* "Which character is found on a key of the US keyboard?"
|
|
* @param keycode a keycode of the currently used (underlying) keyboard
|
|
* @return the virtual key of the US keyboard
|
|
* 0 if the key is not used
|
|
*/
|
|
KMX_DWORD mac_KMX_get_VKUS_From_KeyCodeUnderlying(KMX_DWORD keycode) {
|
|
// on the mac virtual keys do not exist. Nevertheless we can use this mapping to obtain a keycode from an 'artificial' us virtual key
|
|
return mac_ScanCodeToUSVirtualKey[keycode];
|
|
}
|
|
|
|
/**
|
|
* @brief return the keyvalue of a combination of deadkey + character if there is a combination available
|
|
* "What character will be produced for a deadkey + a character?" e.g. '^' + 'a' -> 'â'
|
|
* @param keyboard_layout the currently used (underlying)keyboard Layout
|
|
* @param vk_dk a keycode of a deadkey of the currently used (underlying) keyboard
|
|
* @param ss_dk a shiftstate of a deadkey of the currently used (underlying) keyboard
|
|
* @param vk_us a keycode of a character key on the currently used (underlying) keyboard to be combined to a dk
|
|
* @param shiftstate_mac a shiftstate of a character key on the currently used (underlying) keyboard
|
|
* @param caps state of the caps key of a character key on the currently used (underlying) keyboard
|
|
* @return the combination of deadkey + character if it is available;
|
|
* if not return 0
|
|
*/
|
|
KMX_DWORD mac_get_CombinedChar_From_DK(const UCKeyboardLayout* keyboard_layout, int vk_dk, KMX_DWORD ss_dk, KMX_DWORD vk_us, KMX_DWORD shiftstate_mac, int caps) {
|
|
UInt32 deadkeystate;
|
|
UniCharCount maxStringlength = 5;
|
|
UniCharCount actualStringlength = 0;
|
|
OptionBits keyTranslateOptions = 0;
|
|
UniChar unicodeString[maxStringlength];
|
|
unicodeString[0] = 0;
|
|
OSStatus status;
|
|
|
|
/*
|
|
UCKeyTranslate != 0 if a dk was found; then run UCKeyTranslate again with a base character (vk_us) to get the combined dk e.g. '^' + 'A' -> 'Â'
|
|
If CAPS is used: always add 4 e.g. SHIFT = 2; SHIFT+CAPS = 6
|
|
*/
|
|
status = UCKeyTranslate(keyboard_layout, vk_dk, kUCKeyActionDown, ss_dk, LMGetKbdType(), keyTranslateOptions, &deadkeystate, maxStringlength, &actualStringlength, unicodeString);
|
|
|
|
// If this was a deadkey, append a character
|
|
if (deadkeystate != 0) {
|
|
status = UCKeyTranslate(keyboard_layout, vk_us, kUCKeyActionDown, shiftstate_mac + 4 * caps, LMGetKbdType(), keyTranslateOptions, &deadkeystate, maxStringlength, &actualStringlength, unicodeString);
|
|
|
|
if (unicodeString[0] == 1) // impossible character
|
|
return 0;
|
|
else
|
|
return unicodeString[0]; // combined char e.g. 'â'
|
|
} else
|
|
return 0;
|
|
}
|