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