438 lines
12 KiB
C
438 lines
12 KiB
C
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/* PDCurses */
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#if defined(__EMX__) || defined(__WATCOMC__) || defined(__IBMC__) || \
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defined(__TURBOC__)
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# define HAVE_SIGNAL
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# include <signal.h>
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#endif
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#include "pdcos2.h"
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static KBDINFO kbdinfo; /* default keyboard mode */
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static HMOU mouse_handle = 0;
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static MOUSE_STATUS old_mouse_status;
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static USHORT old_shift = 0;
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static bool key_pressed = FALSE;
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static int mouse_events = 0;
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/************************************************************************
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* Table for key code translation of function keys in keypad mode *
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* These values are for strict IBM keyboard compatibles only *
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************************************************************************/
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static short key_table[] =
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{
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-1, ALT_ESC, -1, 0,
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-1, -1, -1, -1,
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-1, -1, -1, -1,
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-1, -1, ALT_BKSP, KEY_BTAB,
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ALT_Q, ALT_W, ALT_E, ALT_R,
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ALT_T, ALT_Y, ALT_U, ALT_I,
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ALT_O, ALT_P, ALT_LBRACKET, ALT_RBRACKET,
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ALT_ENTER, -1, ALT_A, ALT_S,
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ALT_D, ALT_F, ALT_G, ALT_H,
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ALT_J, ALT_K, ALT_L, ALT_SEMICOLON,
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ALT_FQUOTE, ALT_BQUOTE, -1, ALT_BSLASH,
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ALT_Z, ALT_X, ALT_C, ALT_V,
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ALT_B, ALT_N, ALT_M, ALT_COMMA,
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ALT_STOP, ALT_FSLASH, -1, ALT_PADSTAR,
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-1, -1, -1, KEY_F(1),
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KEY_F(2), KEY_F(3), KEY_F(4), KEY_F(5),
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KEY_F(6), KEY_F(7), KEY_F(8), KEY_F(9),
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KEY_F(10), -1, -1, KEY_HOME,
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KEY_UP, KEY_PPAGE, ALT_PADMINUS, KEY_LEFT,
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KEY_B2, KEY_RIGHT, ALT_PADPLUS, KEY_END,
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KEY_DOWN, KEY_NPAGE, KEY_IC, KEY_DC,
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KEY_F(13), KEY_F(14), KEY_F(15), KEY_F(16),
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KEY_F(17), KEY_F(18), KEY_F(19), KEY_F(20),
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KEY_F(21), KEY_F(22), KEY_F(25), KEY_F(26),
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KEY_F(27), KEY_F(28), KEY_F(29), KEY_F(30),
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KEY_F(31), KEY_F(32), KEY_F(33), KEY_F(34),
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KEY_F(37), KEY_F(38), KEY_F(39), KEY_F(40),
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KEY_F(41), KEY_F(42), KEY_F(43), KEY_F(44),
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KEY_F(45), KEY_F(46), -1, CTL_LEFT,
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CTL_RIGHT, CTL_END, CTL_PGDN, CTL_HOME,
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ALT_1, ALT_2, ALT_3, ALT_4,
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ALT_5, ALT_6, ALT_7, ALT_8,
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ALT_9, ALT_0, ALT_MINUS, ALT_EQUAL,
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CTL_PGUP, KEY_F(11), KEY_F(12), KEY_F(23),
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KEY_F(24), KEY_F(35), KEY_F(36), KEY_F(47),
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KEY_F(48), CTL_UP, CTL_PADMINUS, CTL_PADCENTER,
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CTL_PADPLUS, CTL_DOWN, CTL_INS, CTL_DEL,
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CTL_TAB, CTL_PADSLASH, CTL_PADSTAR, ALT_HOME,
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ALT_UP, ALT_PGUP, -1, ALT_LEFT,
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-1, ALT_RIGHT, -1, ALT_END,
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ALT_DOWN, ALT_PGDN, ALT_INS, ALT_DEL,
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ALT_PADSLASH, ALT_TAB, ALT_PADENTER, -1
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};
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void PDC_get_keyboard_info(void)
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{
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kbdinfo.cb = sizeof(kbdinfo);
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KbdGetStatus(&kbdinfo, 0);
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}
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void PDC_set_keyboard_default(void)
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{
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KbdSetStatus(&kbdinfo, 0);
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}
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void PDC_set_keyboard_binary(bool on)
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{
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PDC_LOG(("PDC_set_keyboard_binary() - called\n"));
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if (on)
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{
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kbdinfo.fsMask &= ~(KEYBOARD_ASCII_MODE);
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kbdinfo.fsMask |= KEYBOARD_BINARY_MODE;
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}
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else
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{
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kbdinfo.fsMask &= ~(KEYBOARD_BINARY_MODE);
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kbdinfo.fsMask |= KEYBOARD_ASCII_MODE;
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}
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KbdSetStatus(&kbdinfo, 0);
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#ifdef HAVE_SIGNAL
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signal(SIGBREAK, on ? SIG_IGN : SIG_DFL);
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#endif
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}
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/* check if a key or mouse event is waiting */
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bool PDC_check_key(void)
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{
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KBDKEYINFO keyInfo = {0};
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KbdGetStatus(&kbdinfo, 0);
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if (mouse_handle)
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{
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MOUQUEINFO queue;
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MouGetNumQueEl(&queue, mouse_handle);
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mouse_events = queue.cEvents;
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if (mouse_events)
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return TRUE;
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}
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if (old_shift && !kbdinfo.fsState) /* modifier released */
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{
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if (!key_pressed && SP->return_key_modifiers)
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return TRUE;
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}
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else if (!old_shift && kbdinfo.fsState) /* modifier pressed */
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key_pressed = FALSE;
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old_shift = kbdinfo.fsState;
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KbdPeek(&keyInfo, 0); /* peek at keyboard */
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return (keyInfo.fbStatus != 0);
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}
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static int _process_mouse_events(void)
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{
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MOUEVENTINFO event;
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static const USHORT button_mask[] = {6, 96, 24},
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move_mask[] = {2, 32, 8},
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press_mask[] = {4, 64, 16};
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USHORT count = 1;
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short shift_flags = 0;
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int i;
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MouReadEventQue(&event, &count, mouse_handle);
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mouse_events--;
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for (i = 0; i < 3; i++)
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{
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SP->mouse_status.button[i] =
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((event.fs & move_mask[i]) ? BUTTON_MOVED : 0) |
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((event.fs & press_mask[i]) ? BUTTON_PRESSED : 0);
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/* PRESS events are sometimes mistakenly reported as MOVE
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events. A MOVE should always follow a PRESS, so treat a MOVE
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immediately after a RELEASE as a PRESS. */
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if ((SP->mouse_status.button[i] == BUTTON_MOVED) &&
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(old_mouse_status.button[i] == BUTTON_RELEASED))
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{
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SP->mouse_status.button[i] = BUTTON_PRESSED;
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}
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if (SP->mouse_status.button[i] == BUTTON_PRESSED && SP->mouse_wait)
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{
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/* Check for a click -- a PRESS followed immediately by a
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release */
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if (!mouse_events)
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{
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MOUQUEINFO queue;
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napms(SP->mouse_wait);
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MouGetNumQueEl(&queue, mouse_handle);
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mouse_events = queue.cEvents;
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}
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if (mouse_events)
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{
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MouReadEventQue(&event, &count, mouse_handle);
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if (!(event.fs & button_mask[i]))
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SP->mouse_status.button[i] = BUTTON_CLICKED;
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}
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}
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}
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SP->mouse_status.x = event.col;
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SP->mouse_status.y = event.row;
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SP->mouse_status.changes = 0;
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for (i = 0; i < 3; i++)
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{
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if (old_mouse_status.button[i] != SP->mouse_status.button[i])
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SP->mouse_status.changes |= (1 << i);
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if (SP->mouse_status.button[i] == BUTTON_MOVED)
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{
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/* Discard non-moved "moves" */
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if (SP->mouse_status.x == old_mouse_status.x &&
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SP->mouse_status.y == old_mouse_status.y)
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return -1;
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/* Motion events always flag the button as changed */
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SP->mouse_status.changes |= (1 << i);
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SP->mouse_status.changes |= PDC_MOUSE_MOVED;
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break;
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}
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}
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old_mouse_status = SP->mouse_status;
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/* Treat click events as release events for comparison purposes */
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for (i = 0; i < 3; i++)
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{
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if (old_mouse_status.button[i] == BUTTON_CLICKED)
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old_mouse_status.button[i] = BUTTON_RELEASED;
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}
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/* Check for SHIFT/CONTROL/ALT */
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if (kbdinfo.fsState & KBDSTF_ALT)
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shift_flags |= BUTTON_ALT;
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if (kbdinfo.fsState & KBDSTF_CONTROL)
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shift_flags |= BUTTON_CONTROL;
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if (kbdinfo.fsState & (KBDSTF_LEFTSHIFT|KBDSTF_RIGHTSHIFT))
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shift_flags |= BUTTON_SHIFT;
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if (shift_flags)
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{
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for (i = 0; i < 3; i++)
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{
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if (SP->mouse_status.changes & (1 << i))
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SP->mouse_status.button[i] |= shift_flags;
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}
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}
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old_shift = kbdinfo.fsState;
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key_pressed = TRUE;
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SP->key_code = TRUE;
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return KEY_MOUSE;
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}
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/* return the next available key or mouse event */
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int PDC_get_key(void)
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{
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int key, scan;
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KBDKEYINFO keyInfo = {0};
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SP->key_modifiers = 0L;
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if (mouse_handle && mouse_events)
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return _process_mouse_events();
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if (old_shift && !kbdinfo.fsState)
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{
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key = -1;
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if (old_shift & KBDSTF_LEFTALT)
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{
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key = KEY_ALT_L;
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}
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else if (old_shift & KBDSTF_RIGHTALT)
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{
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key = KEY_ALT_R;
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}
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else if (old_shift & KBDSTF_LEFTCONTROL)
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{
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key = KEY_CONTROL_L;
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}
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else if (old_shift & KBDSTF_RIGHTCONTROL)
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{
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key = KEY_CONTROL_R;
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}
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else if (old_shift & KBDSTF_LEFTSHIFT)
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{
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key = KEY_SHIFT_L;
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}
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else if (old_shift & KBDSTF_RIGHTSHIFT)
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{
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key = KEY_SHIFT_R;
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}
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key_pressed = FALSE;
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old_shift = kbdinfo.fsState;
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SP->key_code = TRUE;
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return key;
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}
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KbdCharIn(&keyInfo, IO_WAIT, 0); /* get a character */
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key = keyInfo.chChar;
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scan = keyInfo.chScan;
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if (keyInfo.fsState & KBDSTF_ALT)
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SP->key_modifiers |= PDC_KEY_MODIFIER_ALT;
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if (keyInfo.fsState & KBDSTF_CONTROL)
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SP->key_modifiers |= PDC_KEY_MODIFIER_CONTROL;
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if (keyInfo.fsState & KBDSTF_NUMLOCK_ON)
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SP->key_modifiers |= PDC_KEY_MODIFIER_NUMLOCK;
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if (keyInfo.fsState & (KBDSTF_LEFTSHIFT|KBDSTF_RIGHTSHIFT))
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SP->key_modifiers |= PDC_KEY_MODIFIER_SHIFT;
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if (scan == 0x1c && key == 0x0a) /* ^Enter */
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key = CTL_ENTER;
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else if (scan == 0xe0 && key == 0x0d) /* PadEnter */
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key = PADENTER;
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else if (scan == 0xe0 && key == 0x0a) /* ^PadEnter */
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key = CTL_PADENTER;
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else if (scan == 0x37 && key == 0x2a) /* Star */
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key = PADSTAR;
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else if (scan == 0x4a && key == 0x2d) /* Minus */
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key = PADMINUS;
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else if (scan == 0x4e && key == 0x2b) /* Plus */
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key = PADPLUS;
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else if (scan == 0xe0 && key == 0x2f) /* Slash */
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key = PADSLASH;
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else if (key == 0x00 || (key == 0xe0 && scan > 53 && scan != 86))
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key = (scan > 0xa7) ? -1 : key_table[scan];
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if (keyInfo.fsState & (KBDSTF_LEFTSHIFT|KBDSTF_RIGHTSHIFT))
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{
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switch (key)
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{
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case KEY_HOME: /* Shift Home */
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key = KEY_SHOME;
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break;
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case KEY_UP: /* Shift Up */
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key = KEY_SUP;
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break;
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case KEY_PPAGE: /* Shift PgUp */
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key = KEY_SPREVIOUS;
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break;
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case KEY_LEFT: /* Shift Left */
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key = KEY_SLEFT;
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break;
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case KEY_RIGHT: /* Shift Right */
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key = KEY_SRIGHT;
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break;
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case KEY_END: /* Shift End */
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key = KEY_SEND;
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break;
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case KEY_DOWN: /* Shift Down */
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key = KEY_SDOWN;
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break;
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case KEY_NPAGE: /* Shift PgDn */
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key = KEY_SNEXT;
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break;
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case KEY_IC: /* Shift Ins */
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key = KEY_SIC;
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break;
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case KEY_DC: /* Shift Del */
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key = KEY_SDC;
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}
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}
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key_pressed = TRUE;
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SP->key_code = ((unsigned)key >= 256);
|
||
|
|
|
||
|
|
return key;
|
||
|
|
}
|
||
|
|
|
||
|
|
/* discard any pending keyboard or mouse input -- this is the core
|
||
|
|
routine for flushinp() */
|
||
|
|
|
||
|
|
void PDC_flushinp(void)
|
||
|
|
{
|
||
|
|
PDC_LOG(("PDC_flushinp() - called\n"));
|
||
|
|
|
||
|
|
if (mouse_handle)
|
||
|
|
MouFlushQue(mouse_handle);
|
||
|
|
|
||
|
|
KbdFlushBuffer(0);
|
||
|
|
}
|
||
|
|
|
||
|
|
bool PDC_has_mouse(void)
|
||
|
|
{
|
||
|
|
if (!mouse_handle)
|
||
|
|
{
|
||
|
|
memset(&old_mouse_status, 0, sizeof(MOUSE_STATUS));
|
||
|
|
MouOpen(NULL, &mouse_handle);
|
||
|
|
}
|
||
|
|
|
||
|
|
return !!mouse_handle;
|
||
|
|
}
|
||
|
|
|
||
|
|
int PDC_mouse_set(void)
|
||
|
|
{
|
||
|
|
unsigned long mbe = SP->_trap_mbe;
|
||
|
|
|
||
|
|
if (mbe && !mouse_handle)
|
||
|
|
{
|
||
|
|
if (PDC_has_mouse())
|
||
|
|
MouDrawPtr(mouse_handle);
|
||
|
|
}
|
||
|
|
else if (!mbe && mouse_handle)
|
||
|
|
{
|
||
|
|
MouClose(mouse_handle);
|
||
|
|
mouse_handle = 0;
|
||
|
|
}
|
||
|
|
|
||
|
|
if (mbe && mouse_handle)
|
||
|
|
{
|
||
|
|
USHORT mask = ((mbe & (BUTTON1_PRESSED | BUTTON1_CLICKED |
|
||
|
|
BUTTON1_MOVED)) ? 6 : 0) |
|
||
|
|
|
||
|
|
((mbe & (BUTTON3_PRESSED | BUTTON3_CLICKED |
|
||
|
|
BUTTON3_MOVED)) ? 24 : 0) |
|
||
|
|
|
||
|
|
((mbe & (BUTTON2_PRESSED | BUTTON2_CLICKED |
|
||
|
|
BUTTON2_MOVED)) ? 96 : 0);
|
||
|
|
|
||
|
|
MouSetEventMask(&mask, mouse_handle);
|
||
|
|
}
|
||
|
|
|
||
|
|
return OK;
|
||
|
|
}
|
||
|
|
|
||
|
|
int PDC_modifiers_set(void)
|
||
|
|
{
|
||
|
|
key_pressed = FALSE;
|
||
|
|
|
||
|
|
return OK;
|
||
|
|
}
|