pdcurses/pdckbd.c@1c483b54ddcb
pdcurses/pdckbd.c
Sat, 23 Jul 2016 12:14:20 +0300
- author
- Teemu Piippo <teemu@compsta2.com>
- date
- Sat, 23 Jul 2016 12:14:20 +0300
- changeset 161
- 1c483b54ddcb
- parent 97
- 2d43f05b284c
- permissions
- -rw-r--r--
Added versions of min() and max() that find the smallest and largest values in an iterable.
/* 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; }
