diff options
Diffstat (limited to 'payloads/libpayload/curses/PDCurses-3.4/sdl1/pdckbd.c')
| -rw-r--r-- | payloads/libpayload/curses/PDCurses-3.4/sdl1/pdckbd.c | 389 |
1 files changed, 389 insertions, 0 deletions
diff --git a/payloads/libpayload/curses/PDCurses-3.4/sdl1/pdckbd.c b/payloads/libpayload/curses/PDCurses-3.4/sdl1/pdckbd.c new file mode 100644 index 0000000000..56bf1e470d --- /dev/null +++ b/payloads/libpayload/curses/PDCurses-3.4/sdl1/pdckbd.c @@ -0,0 +1,389 @@ +/* Public Domain Curses */ + +#include "pdcsdl.h" + +RCSID("$Id: pdckbd.c,v 1.20 2008/07/14 04:24:52 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****************************************************************/ + +#include <string.h> + +unsigned long pdc_key_modifiers = 0L; + +static SDL_Event event; +static SDLKey oldkey; +static MOUSE_STATUS old_mouse_status; + +static struct +{ + SDLKey keycode; + bool numkeypad; + unsigned short normal; + unsigned short shifted; + unsigned short control; + unsigned short alt; +} key_table[] = +{ +/* keycode keypad normal shifted control alt*/ + {SDLK_LEFT, FALSE, KEY_LEFT, KEY_SLEFT, CTL_LEFT, ALT_LEFT}, + {SDLK_RIGHT, FALSE, KEY_RIGHT, KEY_SRIGHT, CTL_RIGHT, ALT_RIGHT}, + {SDLK_UP, FALSE, KEY_UP, KEY_SUP, CTL_UP, ALT_UP}, + {SDLK_DOWN, FALSE, KEY_DOWN, KEY_SDOWN, CTL_DOWN, ALT_DOWN}, + {SDLK_HOME, FALSE, KEY_HOME, KEY_SHOME, CTL_HOME, ALT_HOME}, + {SDLK_END, FALSE, KEY_END, KEY_SEND, CTL_END, ALT_END}, + {SDLK_PAGEUP, FALSE, KEY_PPAGE, KEY_SPREVIOUS,CTL_PGUP, ALT_PGUP}, + {SDLK_PAGEDOWN,FALSE, KEY_NPAGE, KEY_SNEXT, CTL_PGDN, ALT_PGDN}, + {SDLK_INSERT, FALSE, KEY_IC, KEY_SIC, CTL_INS, ALT_INS}, + {SDLK_DELETE, FALSE, KEY_DC, KEY_SDC, CTL_DEL, ALT_DEL}, + {SDLK_F1, FALSE, KEY_F(1), KEY_F(13), KEY_F(25), KEY_F(37)}, + {SDLK_F2, FALSE, KEY_F(2), KEY_F(14), KEY_F(26), KEY_F(38)}, + {SDLK_F3, FALSE, KEY_F(3), KEY_F(15), KEY_F(27), KEY_F(39)}, + {SDLK_F4, FALSE, KEY_F(4), KEY_F(16), KEY_F(28), KEY_F(40)}, + {SDLK_F5, FALSE, KEY_F(5), KEY_F(17), KEY_F(29), KEY_F(41)}, + {SDLK_F6, FALSE, KEY_F(6), KEY_F(18), KEY_F(30), KEY_F(42)}, + {SDLK_F7, FALSE, KEY_F(7), KEY_F(19), KEY_F(31), KEY_F(43)}, + {SDLK_F8, FALSE, KEY_F(8), KEY_F(20), KEY_F(32), KEY_F(44)}, + {SDLK_F9, FALSE, KEY_F(9), KEY_F(21), KEY_F(33), KEY_F(45)}, + {SDLK_F10, FALSE, KEY_F(10), KEY_F(22), KEY_F(34), KEY_F(46)}, + {SDLK_F11, FALSE, KEY_F(11), KEY_F(23), KEY_F(35), KEY_F(47)}, + {SDLK_F12, FALSE, KEY_F(12), KEY_F(24), KEY_F(36), KEY_F(48)}, + {SDLK_F13, FALSE, KEY_F(13), KEY_F(25), KEY_F(37), KEY_F(49)}, + {SDLK_F14, FALSE, KEY_F(14), KEY_F(26), KEY_F(38), KEY_F(50)}, + {SDLK_F15, FALSE, KEY_F(15), KEY_F(27), KEY_F(39), KEY_F(51)}, + {SDLK_BACKSPACE,FALSE, 0x08, 0x08, CTL_BKSP, ALT_BKSP}, + {SDLK_TAB, FALSE, 0x09, KEY_BTAB, CTL_TAB, ALT_TAB}, + {SDLK_PRINT, FALSE, KEY_PRINT, KEY_SPRINT, KEY_PRINT, KEY_PRINT}, + {SDLK_PAUSE, FALSE, KEY_SUSPEND, KEY_SSUSPEND, KEY_SUSPEND, KEY_SUSPEND}, + {SDLK_CLEAR, FALSE, KEY_CLEAR, KEY_CLEAR, KEY_CLEAR, KEY_CLEAR}, + {SDLK_BREAK, FALSE, KEY_BREAK, KEY_BREAK, KEY_BREAK, KEY_BREAK}, + {SDLK_HELP, FALSE, KEY_HELP, KEY_SHELP, KEY_LHELP, KEY_HELP}, + {SDLK_MENU, FALSE, KEY_OPTIONS, KEY_SOPTIONS, KEY_OPTIONS, KEY_OPTIONS}, + {SDLK_ESCAPE, FALSE, 0x1B, 0x1B, 0x1B, ALT_ESC}, + {SDLK_KP_ENTER,TRUE, PADENTER, PADENTER, CTL_PADENTER,ALT_PADENTER}, + {SDLK_KP_PLUS, TRUE, PADPLUS, '+', CTL_PADPLUS, ALT_PADPLUS}, + {SDLK_KP_MINUS,TRUE, PADMINUS, '-', CTL_PADMINUS,ALT_PADMINUS}, + {SDLK_KP_MULTIPLY,TRUE,PADSTAR, '*', CTL_PADSTAR, ALT_PADSTAR}, + {SDLK_KP_DIVIDE,TRUE, PADSLASH, '/', CTL_PADSLASH,ALT_PADSLASH}, + {SDLK_KP_PERIOD,TRUE, PADSTOP, '.', CTL_PADSTOP, ALT_PADSTOP}, + {SDLK_KP0, TRUE, PAD0, '0', CTL_PAD0, ALT_PAD0}, + {SDLK_KP1, TRUE, KEY_C1, '1', CTL_PAD1, ALT_PAD1}, + {SDLK_KP2, TRUE, KEY_C2, '2', CTL_PAD2, ALT_PAD2}, + {SDLK_KP3, TRUE, KEY_C3, '3', CTL_PAD3, ALT_PAD3}, + {SDLK_KP4, TRUE, KEY_B1, '4', CTL_PAD4, ALT_PAD4}, + {SDLK_KP5, TRUE, KEY_B2, '5', CTL_PAD5, ALT_PAD5}, + {SDLK_KP6, TRUE, KEY_B3, '6', CTL_PAD6, ALT_PAD6}, + {SDLK_KP7, TRUE, KEY_A1, '7', CTL_PAD7, ALT_PAD7}, + {SDLK_KP8, TRUE, KEY_A2, '8', CTL_PAD8, ALT_PAD8}, + {SDLK_KP9, TRUE, KEY_A3, '9', CTL_PAD9, ALT_PAD9}, + {0, 0, 0, 0, 0, 0} +}; + +unsigned long PDC_get_input_fd(void) +{ + PDC_LOG(("PDC_get_input_fd() - called\n")); + + return 0L; /* test this */ +} + +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) +{ + Uint32 current = SDL_GetTicks(); + int haveevent = SDL_PollEvent(&event); + + /* if we have an event, or 30 ms have passed without a screen + update, or the timer has wrapped, update now */ + + if (haveevent || + current < pdc_lastupdate || ((current - pdc_lastupdate) > 30)) + PDC_update_rects(); + + return haveevent; +} + +static int _process_key_event(void) +{ + int i, key = 0; + + pdc_key_modifiers = 0L; + SP->key_code = FALSE; + + if (event.type == SDL_KEYUP) + { + if (SP->return_key_modifiers && event.key.keysym.sym == oldkey) + { + switch (oldkey) + { + case SDLK_RSHIFT: + return KEY_SHIFT_R; + case SDLK_LSHIFT: + return KEY_SHIFT_L; + case SDLK_RCTRL: + return KEY_CONTROL_R; + case SDLK_LCTRL: + return KEY_CONTROL_L; + case SDLK_RALT: + return KEY_ALT_R; + case SDLK_LALT: + return KEY_ALT_L; + default: + break; + } + } + + return -1; + } + + oldkey = event.key.keysym.sym; + + if (SP->save_key_modifiers) + { + if (event.key.keysym.mod & KMOD_NUM) + pdc_key_modifiers |= PDC_KEY_MODIFIER_NUMLOCK; + + if (event.key.keysym.mod & KMOD_SHIFT) + pdc_key_modifiers |= PDC_KEY_MODIFIER_SHIFT; + + if (event.key.keysym.mod & KMOD_CTRL) + pdc_key_modifiers |= PDC_KEY_MODIFIER_CONTROL; + + if (event.key.keysym.mod & KMOD_ALT) + pdc_key_modifiers |= PDC_KEY_MODIFIER_ALT; + } + + for (i = 0; key_table[i].keycode; i++) + { + if (key_table[i].keycode == event.key.keysym.sym) + { + if ((event.key.keysym.mod & KMOD_SHIFT) || + (key_table[i].numkeypad && (event.key.keysym.mod & KMOD_NUM))) + { + key = key_table[i].shifted; + } + else if (event.key.keysym.mod & KMOD_CTRL) + { + key = key_table[i].control; + } + else if (event.key.keysym.mod & KMOD_ALT) + { + key = key_table[i].alt; + } + + /* To get here, we ignore all other modifiers */ + + else + key = key_table[i].normal; + + SP->key_code = (key > 0x100); + break; + } + } + + if (!key) + { + key = event.key.keysym.unicode; + + if (key > 0x7f) + key = 0; + } + + /* Handle ALT letters and numbers */ + + if (event.key.keysym.mod & KMOD_ALT) + { + if (key >= 'A' && key <= 'Z') + { + key += ALT_A - 'A'; + SP->key_code = TRUE; + } + + if (key >= 'a' && key <= 'z') + { + key += ALT_A - 'a'; + SP->key_code = TRUE; + } + + if (key >= '0' && key <= '9') + { + key += ALT_0 - '0'; + SP->key_code = TRUE; + } + } + + return key ? key : -1; +} + +static int _process_mouse_event(void) +{ + SDLMod keymods; + short shift_flags = 0; + + memset(&pdc_mouse_status, 0, sizeof(MOUSE_STATUS)); + + keymods = SDL_GetModState(); + + if (keymods & KMOD_SHIFT) + shift_flags |= BUTTON_SHIFT; + + if (keymods & KMOD_CTRL) + shift_flags |= BUTTON_CONTROL; + + if (keymods & KMOD_ALT) + shift_flags |= BUTTON_ALT; + + if (event.type == SDL_MOUSEMOTION) + { + int i; + + pdc_mouse_status.x = event.motion.x / pdc_fwidth; + pdc_mouse_status.y = event.motion.y / pdc_fheight; + + if (!event.motion.state || + (pdc_mouse_status.x == old_mouse_status.x && + pdc_mouse_status.y == old_mouse_status.y)) + return -1; + + pdc_mouse_status.changes = PDC_MOUSE_MOVED; + + for (i = 0; i < 3; i++) + { + if (event.motion.state & SDL_BUTTON(i + 1)) + { + pdc_mouse_status.button[i] = BUTTON_MOVED | shift_flags; + pdc_mouse_status.changes |= (1 << i); + } + } + } + else + { + short action = (event.button.state == SDL_PRESSED) ? + BUTTON_PRESSED : BUTTON_RELEASED; + Uint8 btn = event.button.button; + + /* handle scroll wheel */ + + if ((btn == 4 || btn == 5) && action == BUTTON_RELEASED) + { + pdc_mouse_status.x = pdc_mouse_status.y = -1; + + pdc_mouse_status.changes = (btn == 5) ? + PDC_MOUSE_WHEEL_DOWN : PDC_MOUSE_WHEEL_UP; + + return KEY_MOUSE; + } + + if (btn < 1 || btn > 3) + return -1; + + /* check for a click -- a press followed immediately by a release */ + + if (action == BUTTON_PRESSED && SP->mouse_wait) + { + SDL_Event rel; + + napms(SP->mouse_wait); + + if (SDL_PollEvent(&rel)) + { + if (rel.type == SDL_MOUSEBUTTONUP && rel.button.button == btn) + action = BUTTON_CLICKED; + else + SDL_PushEvent(&rel); + } + } + + pdc_mouse_status.x = event.button.x / pdc_fwidth; + pdc_mouse_status.y = event.button.y / pdc_fheight; + + btn--; + + pdc_mouse_status.button[btn] = action | shift_flags; + pdc_mouse_status.changes = (1 << btn); + } + + old_mouse_status = pdc_mouse_status; + + return KEY_MOUSE; +} + +/* return the next available key or mouse event */ + +int PDC_get_key(void) +{ + switch (event.type) + { + case SDL_QUIT: + exit(1); + case SDL_VIDEORESIZE: + if (pdc_own_screen && + (event.resize.h / pdc_fheight != LINES || + event.resize.w / pdc_fwidth != COLS)) + { + pdc_sheight = event.resize.h; + pdc_swidth = event.resize.w; + + if (!SP->resized) + { + SP->resized = TRUE; + return KEY_RESIZE; + } + } + break; + case SDL_MOUSEMOTION: + SDL_ShowCursor(SDL_ENABLE); + case SDL_MOUSEBUTTONUP: + case SDL_MOUSEBUTTONDOWN: + oldkey = SDLK_SPACE; + if (SP->_trap_mbe) + return _process_mouse_event(); + break; + case SDL_KEYUP: + case SDL_KEYDOWN: + PDC_mouse_set(); + return _process_key_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")); + + while (PDC_check_key()); +} + +int PDC_mouse_set(void) +{ + SDL_ShowCursor(SP->_trap_mbe ? SDL_ENABLE : SDL_DISABLE); + + return OK; +} + +int PDC_modifiers_set(void) +{ + return OK; +} |