diff options
Diffstat (limited to 'distrib/sdl-1.2.12/src/video/riscos/SDL_riscosevents.c')
| -rw-r--r-- | distrib/sdl-1.2.12/src/video/riscos/SDL_riscosevents.c | 549 |
1 files changed, 549 insertions, 0 deletions
diff --git a/distrib/sdl-1.2.12/src/video/riscos/SDL_riscosevents.c b/distrib/sdl-1.2.12/src/video/riscos/SDL_riscosevents.c new file mode 100644 index 0000000..83bcd44 --- /dev/null +++ b/distrib/sdl-1.2.12/src/video/riscos/SDL_riscosevents.c @@ -0,0 +1,549 @@ +/* + SDL - Simple DirectMedia Layer + Copyright (C) 1997-2004 Sam Lantinga + + This library is free software; you can redistribute it and/or + modify it under the terms of the GNU Library General Public + License as published by the Free Software Foundation; either + version 2 of the License, or (at your option) any later version. + + This library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Library General Public License for more details. + + You should have received a copy of the GNU Library General Public + License along with this library; if not, write to the Free + Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + + Sam Lantinga + slouken@libsdl.org +*/ +#include "SDL_config.h" + +/* + File added by Alan Buckley (alan_baa@hotmail.com) for RISC OS compatability + 27 March 2003 + + Implements keyboard setup, event pump and keyboard and mouse polling +*/ + + +#include "SDL.h" +#include "../../timer/SDL_timer_c.h" +#include "../../events/SDL_sysevents.h" +#include "../../events/SDL_events_c.h" +#include "../SDL_cursor_c.h" +#include "SDL_riscosvideo.h" +#include "SDL_riscosevents_c.h" + +#include "memory.h" +#include "stdlib.h" +#include "ctype.h" + +#include "kernel.h" +#include "swis.h" + +/* The translation table from a RISC OS internal key numbers to a SDL keysym */ +static SDLKey RO_keymap[SDLK_LAST]; + +/* RISC OS Key codes */ +#define ROKEY_SHIFT 0 +#define ROKEY_CTRL 1 +#define ROKEY_ALT 2 +/* Left shift is first key we will check for */ +#define ROKEY_LEFT_SHIFT 3 + +/* Need to ignore mouse buttons as they are processed separately */ +#define ROKEY_LEFT_MOUSE 9 +#define ROKEY_CENTRE_MOUSE 10 +#define ROKEY_RIGHT_MOUSE 11 + +/* No key has been pressed return value*/ +#define ROKEY_NONE 255 + +/* Id of last key in keyboard */ +#define ROKEY_LAST_KEY 124 + +/* Size of array for all keys */ +#define ROKEYBD_ARRAYSIZE 125 + +static char RO_pressed[ROKEYBD_ARRAYSIZE]; + +static SDL_keysym *TranslateKey(int intkey, SDL_keysym *keysym, int pressed); + +void RISCOS_PollMouse(_THIS); +void RISCOS_PollKeyboard(); + +void RISCOS_PollMouseHelper(_THIS, int fullscreen); + +#if SDL_THREADS_DISABLED +extern void DRenderer_FillBuffers(); + +/* Timer running function */ +extern void RISCOS_CheckTimer(); + +#endif + +void FULLSCREEN_PumpEvents(_THIS) +{ + /* Current implementation requires keyboard and mouse polling */ + RISCOS_PollKeyboard(); + RISCOS_PollMouse(this); +#if SDL_THREADS_DISABLED +// DRenderer_FillBuffers(); + if (SDL_timer_running) RISCOS_CheckTimer(); +#endif +} + + +void RISCOS_InitOSKeymap(_THIS) +{ + int i; + + /* Map the VK keysyms */ + for ( i=0; i<SDL_arraysize(RO_keymap); ++i ) + RO_keymap[i] = SDLK_UNKNOWN; + + RO_keymap[3] = SDLK_LSHIFT; + RO_keymap[4] = SDLK_LCTRL; + RO_keymap[5] = SDLK_LALT; + RO_keymap[6] = SDLK_RSHIFT; + RO_keymap[7] = SDLK_RCTRL; + RO_keymap[8] = SDLK_RALT; + RO_keymap[16] = SDLK_q; + RO_keymap[17] = SDLK_3; + RO_keymap[18] = SDLK_4; + RO_keymap[19] = SDLK_5; + RO_keymap[20] = SDLK_F4; + RO_keymap[21] = SDLK_8; + RO_keymap[22] = SDLK_F7; + RO_keymap[23] = SDLK_MINUS, + RO_keymap[25] = SDLK_LEFT; + RO_keymap[26] = SDLK_KP6; + RO_keymap[27] = SDLK_KP7; + RO_keymap[28] = SDLK_F11; + RO_keymap[29] = SDLK_F12; + RO_keymap[30] = SDLK_F10; + RO_keymap[31] = SDLK_SCROLLOCK; + RO_keymap[32] = SDLK_PRINT; + RO_keymap[33] = SDLK_w; + RO_keymap[34] = SDLK_e; + RO_keymap[35] = SDLK_t; + RO_keymap[36] = SDLK_7; + RO_keymap[37] = SDLK_i; + RO_keymap[38] = SDLK_9; + RO_keymap[39] = SDLK_0; + RO_keymap[41] = SDLK_DOWN; + RO_keymap[42] = SDLK_KP8; + RO_keymap[43] = SDLK_KP9; + RO_keymap[44] = SDLK_BREAK; + RO_keymap[45] = SDLK_BACKQUOTE; +/* RO_keymap[46] = SDLK_currency; TODO: Figure out if this has a value */ + RO_keymap[47] = SDLK_BACKSPACE; + RO_keymap[48] = SDLK_1; + RO_keymap[49] = SDLK_2; + RO_keymap[50] = SDLK_d; + RO_keymap[51] = SDLK_r; + RO_keymap[52] = SDLK_6; + RO_keymap[53] = SDLK_u; + RO_keymap[54] = SDLK_o; + RO_keymap[55] = SDLK_p; + RO_keymap[56] = SDLK_LEFTBRACKET; + RO_keymap[57] = SDLK_UP; + RO_keymap[58] = SDLK_KP_PLUS; + RO_keymap[59] = SDLK_KP_MINUS; + RO_keymap[60] = SDLK_KP_ENTER; + RO_keymap[61] = SDLK_INSERT; + RO_keymap[62] = SDLK_HOME; + RO_keymap[63] = SDLK_PAGEUP; + RO_keymap[64] = SDLK_CAPSLOCK; + RO_keymap[65] = SDLK_a; + RO_keymap[66] = SDLK_x; + RO_keymap[67] = SDLK_f; + RO_keymap[68] = SDLK_y; + RO_keymap[69] = SDLK_j; + RO_keymap[70] = SDLK_k; + RO_keymap[72] = SDLK_SEMICOLON; + RO_keymap[73] = SDLK_RETURN; + RO_keymap[74] = SDLK_KP_DIVIDE; + RO_keymap[76] = SDLK_KP_PERIOD; + RO_keymap[77] = SDLK_NUMLOCK; + RO_keymap[78] = SDLK_PAGEDOWN; + RO_keymap[79] = SDLK_QUOTE; + RO_keymap[81] = SDLK_s; + RO_keymap[82] = SDLK_c; + RO_keymap[83] = SDLK_g; + RO_keymap[84] = SDLK_h; + RO_keymap[85] = SDLK_n; + RO_keymap[86] = SDLK_l; + RO_keymap[87] = SDLK_SEMICOLON; + RO_keymap[88] = SDLK_RIGHTBRACKET; + RO_keymap[89] = SDLK_DELETE; + RO_keymap[90] = SDLK_KP_MINUS; + RO_keymap[91] = SDLK_KP_MULTIPLY; + RO_keymap[93] = SDLK_EQUALS; + RO_keymap[94] = SDLK_BACKSLASH; + RO_keymap[96] = SDLK_TAB; + RO_keymap[97] = SDLK_z; + RO_keymap[98] = SDLK_SPACE; + RO_keymap[99] = SDLK_v; + RO_keymap[100] = SDLK_b; + RO_keymap[101] = SDLK_m; + RO_keymap[102] = SDLK_COMMA; + RO_keymap[103] = SDLK_PERIOD; + RO_keymap[104] = SDLK_SLASH; + RO_keymap[105] = SDLK_END; + RO_keymap[106] = SDLK_KP0; + RO_keymap[107] = SDLK_KP1; + RO_keymap[108] = SDLK_KP3; + RO_keymap[112] = SDLK_ESCAPE; + RO_keymap[113] = SDLK_F1; + RO_keymap[114] = SDLK_F2; + RO_keymap[115] = SDLK_F3; + RO_keymap[116] = SDLK_F5; + RO_keymap[117] = SDLK_F6; + RO_keymap[118] = SDLK_F8; + RO_keymap[119] = SDLK_F9; + RO_keymap[120] = SDLK_HASH; + RO_keymap[121] = SDLK_RIGHT; + RO_keymap[122] = SDLK_KP4; + RO_keymap[123] = SDLK_KP5; + RO_keymap[124] = SDLK_KP2; + + SDL_memset(RO_pressed, 0, ROKEYBD_ARRAYSIZE); +} + + +/* Variable for mouse relative processing */ +int mouse_relative = 0; + +/* Check to see if we need to enter or leave mouse relative mode */ + +void RISCOS_CheckMouseMode(_THIS) +{ + /* If the mouse is hidden and input is grabbed, we use relative mode */ + if ( !(SDL_cursorstate & CURSOR_VISIBLE) && + (this->input_grab != SDL_GRAB_OFF) ) { + mouse_relative = 1; + } else { + mouse_relative = 0; + } +} + + +void RISCOS_PollMouse(_THIS) +{ + RISCOS_PollMouseHelper(this, 1); +} + +extern int mouseInWindow; + +void WIMP_PollMouse(_THIS) +{ + /* Only poll when mouse is over the window */ + if (!mouseInWindow) return; + + RISCOS_PollMouseHelper(this, 0); +} + +/* Static variables so only changes are reported */ +static Sint16 last_x = -1, last_y = -1; +static int last_buttons = 0; + +/* Share routine between WIMP and FULLSCREEN for polling mouse and + passing on events */ +void RISCOS_PollMouseHelper(_THIS, int fullscreen) +{ + _kernel_swi_regs regs; + static int starting = 1; + + if (_kernel_swi(OS_Mouse, ®s, ®s) == NULL) + { + Sint16 new_x = regs.r[0]; /* Initialy get as OS units */ + Sint16 new_y = regs.r[1]; + + /* Discard mouse events until they let go of the mouse after starting */ + if (starting && regs.r[2] != 0) + return; + else + starting = 0; + + if (new_x != last_x || new_y != last_y || last_buttons != regs.r[2]) + { + /* Something changed so generate appropriate events */ + int topLeftX, topLeftY; /* Top left OS units */ + int x, y; /* Mouse position in SDL pixels */ + + if (fullscreen) + { + topLeftX = 0; + topLeftY = (this->hidden->height << this->hidden->yeig) - 1; + } else + { + int window_state[9]; + + /* Get current window state */ + window_state[0] = this->hidden->window_handle; + regs.r[1] = (unsigned int)window_state; + _kernel_swi(Wimp_GetWindowState, ®s, ®s); + + topLeftX = window_state[1]; + topLeftY = window_state[4]; + } + + /* Convert co-ordinates to workspace */ + x = new_x - topLeftX; + y = topLeftY - new_y; /* Y goes from top of window/screen */ + + /* Convert OS units to pixels */ + x >>= this->hidden->xeig; + y >>= this->hidden->yeig; + + if (last_x != new_x || last_y != new_y) + { + if (mouse_relative) + { + int centre_x = SDL_VideoSurface->w/2; + int centre_y = SDL_VideoSurface->h/2; + + if (centre_x != x || centre_y != y) + { + if (SDL_VideoSurface) SDL_PrivateMouseMotion(0,1,x - centre_x, y - centre_y); + last_x = topLeftX + (centre_x << this->hidden->xeig); + last_y = topLeftY - (centre_y << this->hidden->yeig); + + /* Re-centre the mouse pointer, so we still get relative + movement when the mouse is at the edge of the window + or screen. + */ + { + unsigned char block[5]; + + block[0] = 3; /* OSWORD move pointer sub-reason code */ + block[1] = last_x & 0xFF; + block[2] = (last_x >> 8) & 0xFF; + block[3] = last_y & 0xFF; + block[4] = (last_y >> 8) & 0xFF; + + regs.r[0] = 21; /* OSWORD pointer stuff code */ + regs.r[1] = (int)block; + _kernel_swi(OS_Word, ®s, ®s); + } + } + } else + { + last_x = new_x; + last_y = new_y; + SDL_PrivateMouseMotion(0,0,x,y); + } + } + + if (last_buttons != regs.r[2]) + { + int changed = last_buttons ^ regs.r[2]; + last_buttons = regs.r[2]; + if (changed & 4) SDL_PrivateMouseButton((last_buttons & 4) ? SDL_PRESSED : SDL_RELEASED, SDL_BUTTON_LEFT, 0, 0); + if (changed & 2) SDL_PrivateMouseButton((last_buttons & 2) ? SDL_PRESSED : SDL_RELEASED, SDL_BUTTON_MIDDLE, 0, 0); + if (changed & 1) SDL_PrivateMouseButton((last_buttons & 1) ? SDL_PRESSED : SDL_RELEASED, SDL_BUTTON_RIGHT, 0, 0); + } + } + } +} + +void RISCOS_PollKeyboard() +{ + int which_key = ROKEY_LEFT_SHIFT; + int j; + int min_key, max_key; + SDL_keysym key; + + /* Scan the keyboard to see what is pressed */ + while (which_key <= ROKEY_LAST_KEY) + { + which_key = (_kernel_osbyte(121, which_key, 0) & 0xFF); + if (which_key != ROKEY_NONE) + { + switch(which_key) + { + /* Skip over mouse keys */ + case ROKEY_LEFT_MOUSE: + case ROKEY_CENTRE_MOUSE: + case ROKEY_RIGHT_MOUSE: + which_key = ROKEY_RIGHT_MOUSE; + break; + + /* Ignore keys that cause 2 internal number to be generated */ + case 71: case 24: case 87: case 40: + break; + + /* Ignore break as it can be latched on */ + case 44: + break; + + default: + RO_pressed[which_key] += 2; + break; + } + which_key++; + } + } + + /* Generate key released messages */ + min_key = ROKEY_LAST_KEY+1; + max_key = ROKEY_LEFT_SHIFT; + + for (j = ROKEY_LEFT_SHIFT; j <= ROKEY_LAST_KEY; j++) + { + if (RO_pressed[j]) + { + if (RO_pressed[j] == 1) + { + RO_pressed[j] = 0; + SDL_PrivateKeyboard(SDL_RELEASED, TranslateKey(j,&key,0)); + } else + { + if (j < min_key) min_key = j; + if (j > max_key) max_key = j; + } + } + } + + /* Generate key pressed messages */ + for (j = min_key; j <= max_key; j++) + { + if (RO_pressed[j]) + { + if (RO_pressed[j] == 2) + { + SDL_PrivateKeyboard(SDL_PRESSED,TranslateKey(j,&key,1)); + } + RO_pressed[j] = 1; + } + } +} + +static SDL_keysym *TranslateKey(int intkey, SDL_keysym *keysym, int pressed) +{ + /* Set the keysym information */ + keysym->scancode = (unsigned char) intkey; + keysym->sym = RO_keymap[intkey]; + keysym->mod = KMOD_NONE; + keysym->unicode = 0; + if ( pressed && SDL_TranslateUNICODE ) + { + int state; + int ch; + + state = (_kernel_osbyte(202, 0, 255) & 0xFF); + + /*TODO: Take into account other keyboard layouts */ + + ch = keysym->sym; /* This should handle most unshifted keys */ + + if (intkey < 9 || ch == SDLK_UNKNOWN) + { + ch = 0; + + } else if (state & 64) /* Control on */ + { + ch = ch & 31; + + } else + { + int topOfKey = 0; + if (state & 8) /* Shift on */ + { + topOfKey = 1; + } + + if ((state & 16) == 0) /* Caps lock is on */ + { + if (ch >= SDLK_a && ch <= SDLK_z) + { + if ((state & 128) == 0) /* Shift Enable off */ + { + /* All letter become upper case */ + topOfKey = 1; + } else + { + /* Shift+Letters gives lower case */ + topOfKey = 1 - topOfKey; + } + } + } + + if (topOfKey) + { + /* Key produced with shift held down */ + + /* Letters just give upper case version */ + if (ch >= SDLK_a && ch <= SDLK_z) ch = toupper(ch); + else + { + switch(ch) + { + case SDLK_HASH: ch = '~'; break; + case SDLK_QUOTE: ch = '@'; break; + case SDLK_COMMA: ch = '<'; break; + case SDLK_MINUS: ch = '_'; break; + case SDLK_PERIOD: ch = '>'; break; + case SDLK_SLASH: ch = '?'; break; + + case SDLK_0: ch = ')'; break; + case SDLK_1: ch = '!'; break; + case SDLK_2: ch = '"'; break; + case SDLK_3: ch = '£'; break; + case SDLK_4: ch = '$'; break; + case SDLK_5: ch = '%'; break; + case SDLK_6: ch = '^'; break; + case SDLK_7: ch = '&'; break; + case SDLK_8: ch = '*'; break; + case SDLK_9: ch = '('; break; + + case SDLK_SEMICOLON: ch = ':'; break; + case SDLK_EQUALS: ch = '+'; break; + case SDLK_LEFTBRACKET: ch = '{'; break; + case SDLK_BACKSLASH: ch = '|'; break; + case SDLK_RIGHTBRACKET: ch = '}'; break; + case SDLK_BACKQUOTE: ch = '¬'; break; + + default: + ch = 0; /* Map to zero character if we don't understand it */ + break; + } + } + + } else if (ch > 126) + { + /* SDL key code < 126 map directly onto their Unicode equivalents */ + /* Keypad 0 to 9 maps to numeric equivalent */ + if (ch >= SDLK_KP0 && ch <= SDLK_KP9) ch = ch - SDLK_KP0 + '0'; + else + { + /* Following switch maps other keys that produce an Ascii value */ + switch(ch) + { + case SDLK_KP_PERIOD: ch = '.'; break; + case SDLK_KP_DIVIDE: ch = '/'; break; + case SDLK_KP_MULTIPLY: ch = '*'; break; + case SDLK_KP_MINUS: ch = '-'; break; + case SDLK_KP_PLUS: ch = '+'; break; + case SDLK_KP_EQUALS: ch = '='; break; + + default: + /* If we don't know what it is set the Unicode to 0 */ + ch = 0; + break; + } + } + } + } + + keysym->unicode = ch; + } + return(keysym); +} + +/* end of SDL_riscosevents.c ... */ + |