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Diffstat (limited to 'board/MAI/bios_emulator/scitech/src/pm/x11/event.c')
| -rw-r--r-- | board/MAI/bios_emulator/scitech/src/pm/x11/event.c | 307 |
1 files changed, 307 insertions, 0 deletions
diff --git a/board/MAI/bios_emulator/scitech/src/pm/x11/event.c b/board/MAI/bios_emulator/scitech/src/pm/x11/event.c new file mode 100644 index 0000000000..23b938023d --- /dev/null +++ b/board/MAI/bios_emulator/scitech/src/pm/x11/event.c @@ -0,0 +1,307 @@ +/**************************************************************************** +* +* SciTech OS Portability Manager Library +* +* ======================================================================== +* +* The contents of this file are subject to the SciTech MGL Public +* License Version 1.0 (the "License"); you may not use this file +* except in compliance with the License. You may obtain a copy of +* the License at http://www.scitechsoft.com/mgl-license.txt +* +* Software distributed under the License is distributed on an +* "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or +* implied. See the License for the specific language governing +* rights and limitations under the License. +* +* The Original Code is Copyright (C) 1991-1998 SciTech Software, Inc. +* +* The Initial Developer of the Original Code is SciTech Software, Inc. +* All Rights Reserved. +* +* ======================================================================== +* +* Language: ANSI C +* Environment: Unix / X11 +* +* Description: X11 event queue implementation for the MGL. +* This can be used both for windowed and fullscreen (DGA) modes. +* +****************************************************************************/ + +/*---------------------------- Global Variables ---------------------------*/ + +static ushort keyUpMsg[256] = {0};/* Table of key up messages */ +static int rangeX,rangeY; /* Range of mouse coordinates */ + +static Display *_EVT_dpy; +static Window _EVT_win; + +typedef struct { + int keycode; + int scancode; +} xkeymap; + +xkeymap xkeymaps[] = { + { 9, KB_esc}, + {24, KB_Q}, + {25, KB_W}, + {26, KB_E}, + {27, KB_R}, + {28, KB_T}, + {29, KB_Y}, + {30, KB_U}, + {31, KB_I}, + {32, KB_O}, + {33, KB_P}, +}; + +/*---------------------------- Implementation -----------------------------*/ + +/* These are not used under non-DOS systems */ +#define _EVT_disableInt() 1 +#define _EVT_restoreInt(flags) + +/**************************************************************************** +PARAMETERS: +scanCode - Scan code to test + +REMARKS: +This macro determines if a specified key is currently down at the +time that the call is made. +****************************************************************************/ +#define _EVT_isKeyDown(scanCode) (keyUpMsg[scanCode] != 0) + +/**************************************************************************** +REMARKS: +This function is used to return the number of ticks since system +startup in milliseconds. This should be the same value that is placed into +the time stamp fields of events, and is used to implement auto mouse down +events. +****************************************************************************/ +ulong _EVT_getTicks(void) +{ + static unsigned starttime = 0; + struct timeval t; + + gettimeofday(&t, NULL); + if (starttime == 0) + starttime = t.tv_sec * 1000 + (t.tv_usec/1000); + return ((t.tv_sec * 1000 + (t.tv_usec/1000)) - starttime); +} + +static int getScancode(int keycode) +{ + return keycode-8; +} + +/**************************************************************************** +REMARKS: +Pumps all messages in the application message queue into our event queue. +****************************************************************************/ +#ifdef X11_CORE +static void _EVT_pumpX11Messages(void) +#else +static void _EVT_pumpMessages(void) +#endif +{ + // TODO: The purpose of this function is to read all keyboard and mouse + // events from the OS specific event queue, translate them and post + // them into the SciTech event queue. + event_t evt; + XEvent ev; + static int old_mx = 0, old_my = 0, buts = 0, c; + char buf[2]; + + while (XPending(_EVT_dpy) && XNextEvent(_EVT_dpy,&ev)) { + evt.when = _MGL_getTicks(); + + switch(ev.type){ + case KeyPress: + c = getScancode(ev.xkey.keycode); + evt.what = EVT_KEYDOWN; + evt.message = c << 8; + XLookupString(&ev.xkey, buf, 2, NULL, NULL); + evt.message |= buf[0]; + break; + case KeyRelease: + c = getScancode(ev.xkey.keycode); + evt.what = EVT_KEYUP; + evt.message = keyUpMsg[c]; + if(count < EVENTQSIZE) + addEvent(&evt); + keyUpMsg[c] = 0; + repeatKey[c] = 0; + break; + case ButtonPress: + evt.what = EVT_MOUSEDOWN; + if(ev.xbutton.button == 1){ + buts |= EVT_LEFTBUT; + evt.message = EVT_LEFTBMASK; + }else if(ev.xbutton.button == 2){ + buts |= EVT_MIDDLEBUT; + evt.message = EVT_MIDDLEBMASK; + }else if(ev.xbutton.button == 3){ + buts |= EVT_RIGHTBUT; + evt.message = EVT_RIGHTBMASK; + } + evt.modifiers = modifiers | buts; + + break; + case ButtonRelease: + evt.what = EVT_MOUSEUP; + if(ev.xbutton.button == 1){ + buts &= ~EVT_LEFTBUT; + evt.message = EVT_LEFTBMASK; + }else if(ev.xbutton.button == 2){ + buts &= ~EVT_MIDDLEBUT; + evt.message = EVT_MIDDLEBMASK; + }else if(ev.xbutton.button == 3){ + buts &= ~EVT_RIGHTBUT; + evt.message = EVT_RIGHTBMASK; + } + evt.modifiers = modifiers | buts; + + break; + case MotionNotify: + evt.what = EVT_MOUSEMOVE; + evt.where_x = ev.xmotion.x; + evt.where_y = ev.xmotion.y; + evt.relative_x = evt.where_x - old_mx; + evt.relative_y = evt.where_y - old_my; + old_mx = evt.where_x; + old_my = evt.where_y; + break; + } + if (count < EVENTQSIZE) + addEvent(&evt); + } + +} + +/**************************************************************************** +REMARKS: +This macro/function is used to converts the scan codes reported by the +keyboard to our event libraries normalised format. We only have one scan +code for the 'A' key, and use shift modifiers to determine if it is a +Ctrl-F1, Alt-F1 etc. The raw scan codes from the keyboard work this way, +but the OS gives us 'cooked' scan codes, we have to translate them back +to the raw format. +****************************************************************************/ +#define _EVT_maskKeyCode(evt) + +/**************************************************************************** +REMARKS: +Safely abort the event module upon catching a fatal error. +****************************************************************************/ +void _EVT_abort() +{ + EVT_exit(); + PM_fatalError("Unhandled exception!"); +} + +/**************************************************************************** +PARAMETERS: +mouseMove - Callback function to call wheneve the mouse needs to be moved + +REMARKS: +Initiliase the event handling module. Here we install our mouse handling ISR +to be called whenever any button's are pressed or released. We also build +the free list of events in the event queue. + +We use handler number 2 of the mouse libraries interrupt handlers for our +event handling routines. +****************************************************************************/ +#ifdef X11_CORE +void EVTAPI EVT_initX11( +#else +void EVTAPI EVT_init( +#endif + _EVT_mouseMoveHandler mouseMove) +{ + int result, i,j,k; + XDeviceInfoPtr list,slist; + + /* Initialise the event queue */ + _mouseMove = mouseMove; + initEventQueue(); + memset(keyUpMsg,0,sizeof(keyUpMsg)); + + + /* query server for input extensions */ + result =XQueryExtension(_EVT_dpy,"XInputExtension",&i,&j,&k); + if(!result) { + fprintf(stderr,"Your server doesn't support XInput Extensions\n"); + fprintf(stderr,"X11 Joystick disabled\n"); + } + list = XListInputDevices(_EVT_dpy,&result); + if (!list) { + fprintf(stderr,"No extended input devices found !!\n"); + fprintf(stderr,"X11 Joystick disabled\n"); + } + + + /* Catch program termination signals so we can clean up properly */ + signal(SIGABRT, _EVT_abort); + signal(SIGFPE, _EVT_abort); + signal(SIGINT, _EVT_abort); +} + +/**************************************************************************** +REMARKS +Changes the range of coordinates returned by the mouse functions to the +specified range of values. This is used when changing between graphics +modes set the range of mouse coordinates for the new display mode. +****************************************************************************/ +void EVTAPI EVT_setMouseRange( + int xRes, + int yRes) +{ + rangeX = xRes; + rangeY = yRes; +} + +/**************************************************************************** +REMARKS: +Initiailises the internal event handling modules. The EVT_suspend function +can be called to suspend event handling (such as when shelling out to DOS), +and this function can be used to resume it again later. +****************************************************************************/ +void EVT_resume(void) +{ + // Do nothing for non DOS systems +} + +/**************************************************************************** +REMARKS +Suspends all of our event handling operations. This is also used to +de-install the event handling code. +****************************************************************************/ +void EVT_suspend(void) +{ + // Do nothing for non DOS systems +} + +/**************************************************************************** +REMARKS +Exits the event module for program terminatation. +****************************************************************************/ +void EVT_exit(void) +{ + /* Restore signal handlers */ + signal(SIGABRT, SIG_DFL); + signal(SIGFPE, SIG_DFL); + signal(SIGINT, SIG_DFL); + + // TODO: Do any OS specific cleanup in here +} + +/**************************************************************************** +REMARKS +Sets the current X11 display +****************************************************************************/ +void EVT_setX11Display(Display *dpy, Window win) +{ + _EVT_dpy = dpy; + _EVT_win = win; +} |
