| /* Public Domain Curses */ |
| |
| #include "pdcwin.h" |
| |
| RCSID("$Id: pdckbd.c,v 1.115 2008/07/20 20:12:04 wmcbrine Exp $") |
| |
| /*man-start************************************************************** |
| |
| Name: pdckbd |
| |
| Synopsis: |
| unsigned long PDC_get_input_fd(void); |
| |
| Description: |
| PDC_get_input_fd() returns the file descriptor that PDCurses |
| reads its input from. It can be used for select(). |
| |
| Portability X/Open BSD SYS V |
| PDC_get_input_fd - - - |
| |
| **man-end****************************************************************/ |
| |
| unsigned long pdc_key_modifiers = 0L; |
| |
| /* These variables are used to store information about the next |
| Input Event. */ |
| |
| static INPUT_RECORD save_ip; |
| static MOUSE_STATUS old_mouse_status; |
| static DWORD event_count = 0; |
| static SHORT left_key; |
| static int key_count = 0; |
| static int save_press = 0; |
| |
| #define KEV save_ip.Event.KeyEvent |
| #define MEV save_ip.Event.MouseEvent |
| |
| /************************************************************************ |
| * Table for key code translation of function keys in keypad mode * |
| * These values are for strict IBM keyboard compatibles only * |
| ************************************************************************/ |
| |
| typedef struct |
| { |
| unsigned short normal; |
| unsigned short shift; |
| unsigned short control; |
| unsigned short alt; |
| unsigned short extended; |
| } KPTAB; |
| |
| static KPTAB kptab[] = |
| { |
| {0, 0, 0, 0, 0 }, /* 0 */ |
| {0, 0, 0, 0, 0 }, /* 1 VK_LBUTTON */ |
| {0, 0, 0, 0, 0 }, /* 2 VK_RBUTTON */ |
| {0, 0, 0, 0, 0 }, /* 3 VK_CANCEL */ |
| {0, 0, 0, 0, 0 }, /* 4 VK_MBUTTON */ |
| {0, 0, 0, 0, 0 }, /* 5 */ |
| {0, 0, 0, 0, 0 }, /* 6 */ |
| {0, 0, 0, 0, 0 }, /* 7 */ |
| {0x08, 0x08, 0x7F, ALT_BKSP, 0 }, /* 8 VK_BACK */ |
| {0x09, KEY_BTAB, CTL_TAB, ALT_TAB, 999 }, /* 9 VK_TAB */ |
| {0, 0, 0, 0, 0 }, /* 10 */ |
| {0, 0, 0, 0, 0 }, /* 11 */ |
| {KEY_B2, 0x35, CTL_PAD5, ALT_PAD5, 0 }, /* 12 VK_CLEAR */ |
| {0x0D, 0x0D, CTL_ENTER, ALT_ENTER, 1 }, /* 13 VK_RETURN */ |
| {0, 0, 0, 0, 0 }, /* 14 */ |
| {0, 0, 0, 0, 0 }, /* 15 */ |
| {0, 0, 0, 0, 0 }, /* 16 VK_SHIFT HANDLED SEPARATELY */ |
| {0, 0, 0, 0, 0 }, /* 17 VK_CONTROL HANDLED SEPARATELY */ |
| {0, 0, 0, 0, 0 }, /* 18 VK_MENU HANDLED SEPARATELY */ |
| {0, 0, 0, 0, 0 }, /* 19 VK_PAUSE */ |
| {0, 0, 0, 0, 0 }, /* 20 VK_CAPITAL HANDLED SEPARATELY */ |
| {0, 0, 0, 0, 0 }, /* 21 VK_HANGUL */ |
| {0, 0, 0, 0, 0 }, /* 22 */ |
| {0, 0, 0, 0, 0 }, /* 23 VK_JUNJA */ |
| {0, 0, 0, 0, 0 }, /* 24 VK_FINAL */ |
| {0, 0, 0, 0, 0 }, /* 25 VK_HANJA */ |
| {0, 0, 0, 0, 0 }, /* 26 */ |
| {0x1B, 0x1B, 0x1B, ALT_ESC, 0 }, /* 27 VK_ESCAPE */ |
| {0, 0, 0, 0, 0 }, /* 28 VK_CONVERT */ |
| {0, 0, 0, 0, 0 }, /* 29 VK_NONCONVERT */ |
| {0, 0, 0, 0, 0 }, /* 30 VK_ACCEPT */ |
| {0, 0, 0, 0, 0 }, /* 31 VK_MODECHANGE */ |
| {0x20, 0x20, 0x20, 0x20, 0 }, /* 32 VK_SPACE */ |
| {KEY_A3, 0x39, CTL_PAD9, ALT_PAD9, 3 }, /* 33 VK_PRIOR */ |
| {KEY_C3, 0x33, CTL_PAD3, ALT_PAD3, 4 }, /* 34 VK_NEXT */ |
| {KEY_C1, 0x31, CTL_PAD1, ALT_PAD1, 5 }, /* 35 VK_END */ |
| {KEY_A1, 0x37, CTL_PAD7, ALT_PAD7, 6 }, /* 36 VK_HOME */ |
| {KEY_B1, 0x34, CTL_PAD4, ALT_PAD4, 7 }, /* 37 VK_LEFT */ |
| {KEY_A2, 0x38, CTL_PAD8, ALT_PAD8, 8 }, /* 38 VK_UP */ |
| {KEY_B3, 0x36, CTL_PAD6, ALT_PAD6, 9 }, /* 39 VK_RIGHT */ |
| {KEY_C2, 0x32, CTL_PAD2, ALT_PAD2, 10 }, /* 40 VK_DOWN */ |
| {0, 0, 0, 0, 0 }, /* 41 VK_SELECT */ |
| {0, 0, 0, 0, 0 }, /* 42 VK_PRINT */ |
| {0, 0, 0, 0, 0 }, /* 43 VK_EXECUTE */ |
| {0, 0, 0, 0, 0 }, /* 44 VK_SNAPSHOT*/ |
| {PAD0, 0x30, CTL_PAD0, ALT_PAD0, 11 }, /* 45 VK_INSERT */ |
| {PADSTOP, 0x2E, CTL_PADSTOP, ALT_PADSTOP,12 }, /* 46 VK_DELETE */ |
| {0, 0, 0, 0, 0 }, /* 47 VK_HELP */ |
| {0x30, 0x29, 0, ALT_0, 0 }, /* 48 */ |
| {0x31, 0x21, 0, ALT_1, 0 }, /* 49 */ |
| {0x32, 0x40, 0, ALT_2, 0 }, /* 50 */ |
| {0x33, 0x23, 0, ALT_3, 0 }, /* 51 */ |
| {0x34, 0x24, 0, ALT_4, 0 }, /* 52 */ |
| {0x35, 0x25, 0, ALT_5, 0 }, /* 53 */ |
| {0x36, 0x5E, 0, ALT_6, 0 }, /* 54 */ |
| {0x37, 0x26, 0, ALT_7, 0 }, /* 55 */ |
| {0x38, 0x2A, 0, ALT_8, 0 }, /* 56 */ |
| {0x39, 0x28, 0, ALT_9, 0 }, /* 57 */ |
| {0, 0, 0, 0, 0 }, /* 58 */ |
| {0, 0, 0, 0, 0 }, /* 59 */ |
| {0, 0, 0, 0, 0 }, /* 60 */ |
| {0, 0, 0, 0, 0 }, /* 61 */ |
| {0, 0, 0, 0, 0 }, /* 62 */ |
| {0, 0, 0, 0, 0 }, /* 63 */ |
| {0, 0, 0, 0, 0 }, /* 64 */ |
| {0x61, 0x41, 0x01, ALT_A, 0 }, /* 65 */ |
| {0x62, 0x42, 0x02, ALT_B, 0 }, /* 66 */ |
| {0x63, 0x43, 0x03, ALT_C, 0 }, /* 67 */ |
| {0x64, 0x44, 0x04, ALT_D, 0 }, /* 68 */ |
| {0x65, 0x45, 0x05, ALT_E, 0 }, /* 69 */ |
| {0x66, 0x46, 0x06, ALT_F, 0 }, /* 70 */ |
| {0x67, 0x47, 0x07, ALT_G, 0 }, /* 71 */ |
| {0x68, 0x48, 0x08, ALT_H, 0 }, /* 72 */ |
| {0x69, 0x49, 0x09, ALT_I, 0 }, /* 73 */ |
| {0x6A, 0x4A, 0x0A, ALT_J, 0 }, /* 74 */ |
| {0x6B, 0x4B, 0x0B, ALT_K, 0 }, /* 75 */ |
| {0x6C, 0x4C, 0x0C, ALT_L, 0 }, /* 76 */ |
| {0x6D, 0x4D, 0x0D, ALT_M, 0 }, /* 77 */ |
| {0x6E, 0x4E, 0x0E, ALT_N, 0 }, /* 78 */ |
| {0x6F, 0x4F, 0x0F, ALT_O, 0 }, /* 79 */ |
| {0x70, 0x50, 0x10, ALT_P, 0 }, /* 80 */ |
| {0x71, 0x51, 0x11, ALT_Q, 0 }, /* 81 */ |
| {0x72, 0x52, 0x12, ALT_R, 0 }, /* 82 */ |
| {0x73, 0x53, 0x13, ALT_S, 0 }, /* 83 */ |
| {0x74, 0x54, 0x14, ALT_T, 0 }, /* 84 */ |
| {0x75, 0x55, 0x15, ALT_U, 0 }, /* 85 */ |
| {0x76, 0x56, 0x16, ALT_V, 0 }, /* 86 */ |
| {0x77, 0x57, 0x17, ALT_W, 0 }, /* 87 */ |
| {0x78, 0x58, 0x18, ALT_X, 0 }, /* 88 */ |
| {0x79, 0x59, 0x19, ALT_Y, 0 }, /* 89 */ |
| {0x7A, 0x5A, 0x1A, ALT_Z, 0 }, /* 90 */ |
| {0, 0, 0, 0, 0 }, /* 91 VK_LWIN */ |
| {0, 0, 0, 0, 0 }, /* 92 VK_RWIN */ |
| {0, 0, 0, 0, 0 }, /* 93 VK_APPS */ |
| {0, 0, 0, 0, 0 }, /* 94 */ |
| {0, 0, 0, 0, 0 }, /* 95 */ |
| {0x30, 0, CTL_PAD0, ALT_PAD0, 0 }, /* 96 VK_NUMPAD0 */ |
| {0x31, 0, CTL_PAD1, ALT_PAD1, 0 }, /* 97 VK_NUMPAD1 */ |
| {0x32, 0, CTL_PAD2, ALT_PAD2, 0 }, /* 98 VK_NUMPAD2 */ |
| {0x33, 0, CTL_PAD3, ALT_PAD3, 0 }, /* 99 VK_NUMPAD3 */ |
| {0x34, 0, CTL_PAD4, ALT_PAD4, 0 }, /* 100 VK_NUMPAD4 */ |
| {0x35, 0, CTL_PAD5, ALT_PAD5, 0 }, /* 101 VK_NUMPAD5 */ |
| {0x36, 0, CTL_PAD6, ALT_PAD6, 0 }, /* 102 VK_NUMPAD6 */ |
| {0x37, 0, CTL_PAD7, ALT_PAD7, 0 }, /* 103 VK_NUMPAD7 */ |
| {0x38, 0, CTL_PAD8, ALT_PAD8, 0 }, /* 104 VK_NUMPAD8 */ |
| {0x39, 0, CTL_PAD9, ALT_PAD9, 0 }, /* 105 VK_NUMPAD9 */ |
| {PADSTAR, SHF_PADSTAR,CTL_PADSTAR, ALT_PADSTAR,999 }, /* 106 VK_MULTIPLY*/ |
| {PADPLUS, SHF_PADPLUS,CTL_PADPLUS, ALT_PADPLUS,999 }, /* 107 VK_ADD */ |
| {0, 0, 0, 0, 0 }, /* 108 VK_SEPARATOR */ |
| {PADMINUS, SHF_PADMINUS,CTL_PADMINUS,ALT_PADMINUS,999}, /* 109 VK_SUBTRACT*/ |
| {0x2E, 0, CTL_PADSTOP, ALT_PADSTOP,0 }, /* 110 VK_DECIMAL */ |
| {PADSLASH, SHF_PADSLASH,CTL_PADSLASH,ALT_PADSLASH,2 }, /* 111 VK_DIVIDE */ |
| {KEY_F(1), KEY_F(13), KEY_F(25), KEY_F(37), 0 }, /* 112 VK_F1 */ |
| {KEY_F(2), KEY_F(14), KEY_F(26), KEY_F(38), 0 }, /* 113 VK_F2 */ |
| {KEY_F(3), KEY_F(15), KEY_F(27), KEY_F(39), 0 }, /* 114 VK_F3 */ |
| {KEY_F(4), KEY_F(16), KEY_F(28), KEY_F(40), 0 }, /* 115 VK_F4 */ |
| {KEY_F(5), KEY_F(17), KEY_F(29), KEY_F(41), 0 }, /* 116 VK_F5 */ |
| {KEY_F(6), KEY_F(18), KEY_F(30), KEY_F(42), 0 }, /* 117 VK_F6 */ |
| {KEY_F(7), KEY_F(19), KEY_F(31), KEY_F(43), 0 }, /* 118 VK_F7 */ |
| {KEY_F(8), KEY_F(20), KEY_F(32), KEY_F(44), 0 }, /* 119 VK_F8 */ |
| {KEY_F(9), KEY_F(21), KEY_F(33), KEY_F(45), 0 }, /* 120 VK_F9 */ |
| {KEY_F(10), KEY_F(22), KEY_F(34), KEY_F(46), 0 }, /* 121 VK_F10 */ |
| {KEY_F(11), KEY_F(23), KEY_F(35), KEY_F(47), 0 }, /* 122 VK_F11 */ |
| {KEY_F(12), KEY_F(24), KEY_F(36), KEY_F(48), 0 }, /* 123 VK_F12 */ |
| |
| /* 124 through 218 */ |
| |
| {0, 0, 0, 0, 0}, {0, 0, 0, 0, 0}, {0, 0, 0, 0, 0}, {0, 0, 0, 0, 0}, |
| {0, 0, 0, 0, 0}, {0, 0, 0, 0, 0}, {0, 0, 0, 0, 0}, {0, 0, 0, 0, 0}, |
| {0, 0, 0, 0, 0}, {0, 0, 0, 0, 0}, {0, 0, 0, 0, 0}, {0, 0, 0, 0, 0}, |
| {0, 0, 0, 0, 0}, {0, 0, 0, 0, 0}, {0, 0, 0, 0, 0}, {0, 0, 0, 0, 0}, |
| {0, 0, 0, 0, 0}, {0, 0, 0, 0, 0}, {0, 0, 0, 0, 0}, {0, 0, 0, 0, 0}, |
| {0, 0, 0, 0, 0}, {0, 0, 0, 0, 0}, {0, 0, 0, 0, 0}, {0, 0, 0, 0, 0}, |
| {0, 0, 0, 0, 0}, {0, 0, 0, 0, 0}, {0, 0, 0, 0, 0}, {0, 0, 0, 0, 0}, |
| {0, 0, 0, 0, 0}, {0, 0, 0, 0, 0}, {0, 0, 0, 0, 0}, {0, 0, 0, 0, 0}, |
| {0, 0, 0, 0, 0}, {0, 0, 0, 0, 0}, {0, 0, 0, 0, 0}, {0, 0, 0, 0, 0}, |
| {0, 0, 0, 0, 0}, {0, 0, 0, 0, 0}, {0, 0, 0, 0, 0}, {0, 0, 0, 0, 0}, |
| {0, 0, 0, 0, 0}, {0, 0, 0, 0, 0}, {0, 0, 0, 0, 0}, {0, 0, 0, 0, 0}, |
| {0, 0, 0, 0, 0}, {0, 0, 0, 0, 0}, {0, 0, 0, 0, 0}, {0, 0, 0, 0, 0}, |
| {0, 0, 0, 0, 0}, {0, 0, 0, 0, 0}, {0, 0, 0, 0, 0}, {0, 0, 0, 0, 0}, |
| {0, 0, 0, 0, 0}, {0, 0, 0, 0, 0}, {0, 0, 0, 0, 0}, {0, 0, 0, 0, 0}, |
| {0, 0, 0, 0, 0}, {0, 0, 0, 0, 0}, {0, 0, 0, 0, 0}, {0, 0, 0, 0, 0}, |
| {0, 0, 0, 0, 0}, {0, 0, 0, 0, 0}, {0, 0, 0, 0, 0}, {0, 0, 0, 0, 0}, |
| {0, 0, 0, 0, 0}, {0, 0, 0, 0, 0}, {0, 0, 0, 0, 0}, {0, 0, 0, 0, 0}, |
| {0, 0, 0, 0, 0}, {0, 0, 0, 0, 0}, {0, 0, 0, 0, 0}, {0, 0, 0, 0, 0}, |
| {0, 0, 0, 0, 0}, {0, 0, 0, 0, 0}, {0, 0, 0, 0, 0}, {0, 0, 0, 0, 0}, |
| {0, 0, 0, 0, 0}, {0, 0, 0, 0, 0}, {0, 0, 0, 0, 0}, {0, 0, 0, 0, 0}, |
| {0, 0, 0, 0, 0}, {0, 0, 0, 0, 0}, {0, 0, 0, 0, 0}, {0, 0, 0, 0, 0}, |
| {0, 0, 0, 0, 0}, {0, 0, 0, 0, 0}, {0, 0, 0, 0, 0}, {0, 0, 0, 0, 0}, |
| {0, 0, 0, 0, 0}, {0, 0, 0, 0, 0}, {0, 0, 0, 0, 0}, {0, 0, 0, 0, 0}, |
| {0, 0, 0, 0, 0}, {0, 0, 0, 0, 0}, {0, 0, 0, 0, 0}, |
| |
| {0x5B, 0x7B, 0x1B, ALT_LBRACKET,0 }, /* 219 */ |
| {0x5C, 0x7C, 0x1C, ALT_BSLASH, 0 }, /* 220 */ |
| {0x5D, 0x7D, 0x1D, ALT_RBRACKET,0 }, /* 221 */ |
| {0, 0, 0x27, ALT_FQUOTE, 0 }, /* 222 */ |
| {0, 0, 0, 0, 0 }, /* 223 */ |
| {0, 0, 0, 0, 0 }, /* 224 */ |
| {0, 0, 0, 0, 0 } /* 225 */ |
| }; |
| |
| static KPTAB ext_kptab[] = |
| { |
| {0, 0, 0, 0, }, /* MUST BE EMPTY */ |
| {PADENTER, SHF_PADENTER, CTL_PADENTER, ALT_PADENTER}, /* 13 */ |
| {PADSLASH, SHF_PADSLASH, CTL_PADSLASH, ALT_PADSLASH}, /* 111 */ |
| {KEY_PPAGE, KEY_SPREVIOUS, CTL_PGUP, ALT_PGUP }, /* 33 */ |
| {KEY_NPAGE, KEY_SNEXT, CTL_PGDN, ALT_PGDN }, /* 34 */ |
| {KEY_END, KEY_SEND, CTL_END, ALT_END }, /* 35 */ |
| {KEY_HOME, KEY_SHOME, CTL_HOME, ALT_HOME }, /* 36 */ |
| {KEY_LEFT, KEY_SLEFT, CTL_LEFT, ALT_LEFT }, /* 37 */ |
| {KEY_UP, KEY_SUP, CTL_UP, ALT_UP }, /* 38 */ |
| {KEY_RIGHT, KEY_SRIGHT, CTL_RIGHT, ALT_RIGHT }, /* 39 */ |
| {KEY_DOWN, KEY_SDOWN, CTL_DOWN, ALT_DOWN }, /* 40 */ |
| {KEY_IC, KEY_SIC, CTL_INS, ALT_INS }, /* 45 */ |
| {KEY_DC, KEY_SDC, CTL_DEL, ALT_DEL }, /* 46 */ |
| {PADSLASH, SHF_PADSLASH, CTL_PADSLASH, ALT_PADSLASH}, /* 191 */ |
| }; |
| |
| /* End of kptab[] */ |
| |
| unsigned long PDC_get_input_fd(void) |
| { |
| PDC_LOG(("PDC_get_input_fd() - called\n")); |
| |
| return 0L; |
| } |
| |
| void PDC_set_keyboard_binary(bool on) |
| { |
| PDC_LOG(("PDC_set_keyboard_binary() - called\n")); |
| } |
| |
| /* check if a key or mouse event is waiting */ |
| |
| bool PDC_check_key(void) |
| { |
| if (key_count > 0) |
| return TRUE; |
| |
| GetNumberOfConsoleInputEvents(pdc_con_in, &event_count); |
| |
| return (event_count != 0); |
| } |
| |
| /* _get_key_count returns 0 if save_ip doesn't contain an event which |
| should be passed back to the user. This function filters "useless" |
| events. |
| |
| The function returns the number of keys waiting. This may be > 1 |
| if the repetition of real keys pressed so far are > 1. |
| |
| Returns 0 on NUMLOCK, CAPSLOCK, SCROLLLOCK. |
| |
| Returns 1 for SHIFT, ALT, CTRL only if no other key has been pressed |
| in between, and SP->return_key_modifiers is set; these are returned |
| on keyup. |
| |
| Normal keys are returned on keydown only. The number of repetitions |
| are returned. Dead keys (diacritics) are omitted. See below for a |
| description. |
| */ |
| |
| static int _get_key_count(void) |
| { |
| int num_keys = 0, vk; |
| |
| PDC_LOG(("_get_key_count() - called\n")); |
| |
| vk = KEV.wVirtualKeyCode; |
| |
| if (KEV.bKeyDown) |
| { |
| /* key down */ |
| |
| save_press = 0; |
| |
| if (vk == VK_CAPITAL || vk == VK_NUMLOCK || vk == VK_SCROLL) |
| { |
| /* throw away these modifiers */ |
| } |
| else if (vk == VK_SHIFT || vk == VK_CONTROL || vk == VK_MENU) |
| { |
| /* These keys are returned on keyup only. */ |
| |
| save_press = vk; |
| switch (vk) |
| { |
| case VK_SHIFT: |
| left_key = GetKeyState(VK_LSHIFT); |
| break; |
| case VK_CONTROL: |
| left_key = GetKeyState(VK_LCONTROL); |
| break; |
| case VK_MENU: |
| left_key = GetKeyState(VK_LMENU); |
| } |
| } |
| else |
| { |
| /* Check for diacritics. These are dead keys. Some locales |
| have modified characters like umlaut-a, which is an "a" |
| with two dots on it. In some locales you have to press a |
| special key (the dead key) immediately followed by the |
| "a" to get a composed umlaut-a. The special key may have |
| a normal meaning with different modifiers. */ |
| |
| if (KEV.uChar.UnicodeChar || !(MapVirtualKey(vk, 2) & 0x80000000)) |
| num_keys = KEV.wRepeatCount; |
| } |
| } |
| else |
| { |
| /* key up */ |
| |
| /* Only modifier keys or the results of ALT-numpad entry are |
| returned on keyup */ |
| |
| if ((vk == VK_MENU && KEV.uChar.UnicodeChar) || |
| ((vk == VK_SHIFT || vk == VK_CONTROL || vk == VK_MENU) && |
| vk == save_press)) |
| { |
| save_press = 0; |
| num_keys = 1; |
| } |
| } |
| |
| PDC_LOG(("_get_key_count() - returning: num_keys %d\n", num_keys)); |
| |
| return num_keys; |
| } |
| |
| /* _process_key_event returns -1 if the key in save_ip should be |
| ignored. Otherwise it returns the keycode which should be returned |
| by PDC_get_key(). save_ip must be a key event. |
| |
| CTRL-ALT support has been disabled, when is it emitted plainly? */ |
| |
| static int _process_key_event(void) |
| { |
| int key = (unsigned short)KEV.uChar.UnicodeChar; |
| WORD vk = KEV.wVirtualKeyCode; |
| DWORD state = KEV.dwControlKeyState; |
| |
| int idx; |
| BOOL enhanced; |
| |
| SP->key_code = TRUE; |
| |
| /* Save the key modifiers if required. Do this first to allow to |
| detect e.g. a pressed CTRL key after a hit of NUMLOCK. */ |
| |
| if (SP->save_key_modifiers) |
| { |
| if (state & (LEFT_ALT_PRESSED|RIGHT_ALT_PRESSED)) |
| pdc_key_modifiers |= PDC_KEY_MODIFIER_ALT; |
| |
| if (state & SHIFT_PRESSED) |
| pdc_key_modifiers |= PDC_KEY_MODIFIER_SHIFT; |
| |
| if (state & (LEFT_CTRL_PRESSED|RIGHT_CTRL_PRESSED)) |
| pdc_key_modifiers |= PDC_KEY_MODIFIER_CONTROL; |
| |
| if (state & NUMLOCK_ON) |
| pdc_key_modifiers |= PDC_KEY_MODIFIER_NUMLOCK; |
| } |
| |
| /* Handle modifier keys hit by themselves */ |
| |
| switch (vk) |
| { |
| case VK_SHIFT: /* shift */ |
| if (!SP->return_key_modifiers) |
| return -1; |
| |
| return (left_key & 0x8000) ? KEY_SHIFT_L : KEY_SHIFT_R; |
| |
| case VK_CONTROL: /* control */ |
| if (!SP->return_key_modifiers) |
| return -1; |
| |
| return (left_key & 0x8000) ? KEY_CONTROL_L : KEY_CONTROL_R; |
| |
| case VK_MENU: /* alt */ |
| if (!key) |
| { |
| if (!SP->return_key_modifiers) |
| return -1; |
| |
| return (left_key & 0x8000) ? KEY_ALT_L : KEY_ALT_R; |
| } |
| } |
| |
| /* The system may emit Ascii or Unicode characters depending on |
| whether ReadConsoleInputA or ReadConsoleInputW is used. |
| |
| Normally, if key != 0 then the system did the translation |
| successfully. But this is not true for LEFT_ALT (different to |
| RIGHT_ALT). In case of LEFT_ALT we can get key != 0. So |
| check for this first. */ |
| |
| if (key && ( !(state & LEFT_ALT_PRESSED) || |
| (state & RIGHT_ALT_PRESSED) )) |
| { |
| /* This code should catch all keys returning a printable |
| character. Characters above 0x7F should be returned as |
| positive codes. But if'ndef NUMKEYPAD we have to return |
| extended keycodes for keypad codes. */ |
| |
| #ifndef NUMKEYPAD |
| if (kptab[vk].extended == 0) |
| #endif |
| { |
| SP->key_code = FALSE; |
| return key; |
| } |
| } |
| |
| /* This case happens if a functional key has been entered. */ |
| |
| if ((state & ENHANCED_KEY) && (kptab[vk].extended != 999)) |
| { |
| enhanced = TRUE; |
| idx = kptab[vk].extended; |
| } |
| else |
| { |
| enhanced = FALSE; |
| idx = vk; |
| } |
| |
| if (state & SHIFT_PRESSED) |
| key = enhanced ? ext_kptab[idx].shift : kptab[idx].shift; |
| |
| else if (state & (LEFT_CTRL_PRESSED|RIGHT_CTRL_PRESSED)) |
| key = enhanced ? ext_kptab[idx].control : kptab[idx].control; |
| |
| else if (state & (LEFT_ALT_PRESSED|RIGHT_ALT_PRESSED)) |
| key = enhanced ? ext_kptab[idx].alt : kptab[idx].alt; |
| |
| else |
| key = enhanced ? ext_kptab[idx].normal : kptab[idx].normal; |
| |
| if (key < KEY_CODE_YES) |
| SP->key_code = FALSE; |
| |
| return key; |
| } |
| |
| static int _process_mouse_event(void) |
| { |
| static const DWORD button_mask[] = {1, 4, 2}; |
| short action, shift_flags = 0; |
| int i; |
| |
| save_press = 0; |
| SP->key_code = TRUE; |
| |
| memset(&pdc_mouse_status, 0, sizeof(MOUSE_STATUS)); |
| |
| /* Handle scroll wheel */ |
| |
| if (MEV.dwEventFlags == 4) |
| { |
| pdc_mouse_status.changes = (MEV.dwButtonState & 0xFF000000) ? |
| PDC_MOUSE_WHEEL_DOWN : PDC_MOUSE_WHEEL_UP; |
| |
| pdc_mouse_status.x = -1; |
| pdc_mouse_status.y = -1; |
| |
| memset(&old_mouse_status, 0, sizeof(old_mouse_status)); |
| |
| return KEY_MOUSE; |
| } |
| |
| action = (MEV.dwEventFlags == 2) ? BUTTON_DOUBLE_CLICKED : |
| ((MEV.dwEventFlags == 1) ? BUTTON_MOVED : BUTTON_PRESSED); |
| |
| for (i = 0; i < 3; i++) |
| pdc_mouse_status.button[i] = |
| (MEV.dwButtonState & button_mask[i]) ? action : 0; |
| |
| if (action == BUTTON_PRESSED && MEV.dwButtonState & 7 && SP->mouse_wait) |
| { |
| /* Check for a click -- a PRESS followed immediately by a release */ |
| |
| if (!event_count) |
| { |
| napms(SP->mouse_wait); |
| |
| GetNumberOfConsoleInputEvents(pdc_con_in, &event_count); |
| } |
| |
| if (event_count) |
| { |
| INPUT_RECORD ip; |
| DWORD count; |
| bool have_click = FALSE; |
| |
| PeekConsoleInput(pdc_con_in, &ip, 1, &count); |
| |
| for (i = 0; i < 3; i++) |
| { |
| if (pdc_mouse_status.button[i] == BUTTON_PRESSED && |
| !(ip.Event.MouseEvent.dwButtonState & button_mask[i])) |
| { |
| pdc_mouse_status.button[i] = BUTTON_CLICKED; |
| have_click = TRUE; |
| } |
| } |
| |
| /* If a click was found, throw out the event */ |
| |
| if (have_click) |
| ReadConsoleInput(pdc_con_in, &ip, 1, &count); |
| } |
| } |
| |
| pdc_mouse_status.x = MEV.dwMousePosition.X; |
| pdc_mouse_status.y = MEV.dwMousePosition.Y; |
| |
| pdc_mouse_status.changes = 0; |
| |
| for (i = 0; i < 3; i++) |
| { |
| if (old_mouse_status.button[i] != pdc_mouse_status.button[i]) |
| pdc_mouse_status.changes |= (1 << i); |
| |
| if (pdc_mouse_status.button[i] == BUTTON_MOVED) |
| { |
| /* Discard non-moved "moves" */ |
| |
| if (pdc_mouse_status.x == old_mouse_status.x && |
| pdc_mouse_status.y == old_mouse_status.y) |
| return -1; |
| |
| /* Motion events always flag the button as changed */ |
| |
| pdc_mouse_status.changes |= (1 << i); |
| pdc_mouse_status.changes |= PDC_MOUSE_MOVED; |
| break; |
| } |
| } |
| |
| old_mouse_status = pdc_mouse_status; |
| |
| /* Treat click events as release events for comparison purposes */ |
| |
| for (i = 0; i < 3; i++) |
| { |
| if (old_mouse_status.button[i] == BUTTON_CLICKED || |
| old_mouse_status.button[i] == BUTTON_DOUBLE_CLICKED) |
| old_mouse_status.button[i] = BUTTON_RELEASED; |
| } |
| |
| /* Check for SHIFT/CONTROL/ALT */ |
| |
| if (MEV.dwControlKeyState & (LEFT_ALT_PRESSED|RIGHT_ALT_PRESSED)) |
| shift_flags |= BUTTON_ALT; |
| |
| if (MEV.dwControlKeyState & (LEFT_CTRL_PRESSED|RIGHT_CTRL_PRESSED)) |
| shift_flags |= BUTTON_CONTROL; |
| |
| if (MEV.dwControlKeyState & SHIFT_PRESSED) |
| shift_flags |= BUTTON_SHIFT; |
| |
| if (shift_flags) |
| { |
| for (i = 0; i < 3; i++) |
| { |
| if (pdc_mouse_status.changes & (1 << i)) |
| pdc_mouse_status.button[i] |= shift_flags; |
| } |
| } |
| |
| return KEY_MOUSE; |
| } |
| |
| /* return the next available key or mouse event */ |
| |
| int PDC_get_key(void) |
| { |
| pdc_key_modifiers = 0L; |
| |
| if (!key_count) |
| { |
| DWORD count; |
| |
| ReadConsoleInput(pdc_con_in, &save_ip, 1, &count); |
| event_count--; |
| |
| if (save_ip.EventType == MOUSE_EVENT) |
| key_count = 1; |
| else if (save_ip.EventType == KEY_EVENT) |
| key_count = _get_key_count(); |
| } |
| |
| if (key_count) |
| { |
| key_count--; |
| |
| switch (save_ip.EventType) |
| { |
| case KEY_EVENT: |
| return _process_key_event(); |
| |
| case MOUSE_EVENT: |
| return _process_mouse_event(); |
| } |
| } |
| |
| return -1; |
| } |
| |
| /* discard any pending keyboard or mouse input -- this is the core |
| routine for flushinp() */ |
| |
| void PDC_flushinp(void) |
| { |
| PDC_LOG(("PDC_flushinp() - called\n")); |
| |
| FlushConsoleInputBuffer(pdc_con_in); |
| } |
| |
| int PDC_mouse_set(void) |
| { |
| /* If turning on mouse input: Set ENABLE_MOUSE_INPUT, and clear |
| all other flags, including the extended flags; |
| If turning off the mouse: Set QuickEdit Mode to the status it |
| had on startup, and clear all other flags */ |
| |
| SetConsoleMode(pdc_con_in, SP->_trap_mbe ? |
| (ENABLE_MOUSE_INPUT|0x0080) : (pdc_quick_edit|0x0080)); |
| |
| memset(&old_mouse_status, 0, sizeof(old_mouse_status)); |
| |
| return OK; |
| } |
| |
| int PDC_modifiers_set(void) |
| { |
| return OK; |
| } |