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Diffstat (limited to 'board/MAI/bios_emulator/scitech/src/pm/win32/event.c')
| -rw-r--r-- | board/MAI/bios_emulator/scitech/src/pm/win32/event.c | 460 |
1 files changed, 460 insertions, 0 deletions
diff --git a/board/MAI/bios_emulator/scitech/src/pm/win32/event.c b/board/MAI/bios_emulator/scitech/src/pm/win32/event.c new file mode 100644 index 0000000000..c14377dcda --- /dev/null +++ b/board/MAI/bios_emulator/scitech/src/pm/win32/event.c @@ -0,0 +1,460 @@ +/**************************************************************************** +* +* SciTech Multi-platform Graphics 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: Win32 +* +* Description: Win32 implementation for the SciTech cross platform +* event library. +* +****************************************************************************/ + +/*---------------------------- Global Variables ---------------------------*/ + +static ushort keyUpMsg[256] = {0}; /* Table of key up messages */ +static int rangeX,rangeY; /* Range of mouse coordinates */ + +/*---------------------------- Implementation -----------------------------*/ + +/* These are not used under Win32 */ +#define _EVT_disableInt() 1 +#define _EVT_restoreInt(flags) (void)(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) +{ return timeGetTime(); } + +/**************************************************************************** +REMARKS: +Pumps all messages in the message queue from Win32 into our event queue. +****************************************************************************/ +void _EVT_pumpMessages(void) +{ + MSG msg; + MSG charMsg; + event_t evt; + + // TODO: Add support for DirectInput! We can't support relative mouse + // movement motion counters without DirectInput ;-(. + while (PeekMessage(&msg,NULL,0,0,PM_REMOVE)) { + memset(&evt,0,sizeof(evt)); + switch (msg.message) { + case WM_MOUSEMOVE: + evt.what = EVT_MOUSEMOVE; + break; + case WM_LBUTTONDBLCLK: + evt.what = EVT_MOUSEDOWN; + evt.message = EVT_LEFTBMASK | EVT_DBLCLICK; + break; + case WM_LBUTTONDOWN: + evt.what = EVT_MOUSEDOWN; + evt.message = EVT_LEFTBMASK; + break; + case WM_LBUTTONUP: + evt.what = EVT_MOUSEUP; + evt.message = EVT_LEFTBMASK; + break; + case WM_RBUTTONDBLCLK: + evt.what = EVT_MOUSEDOWN | EVT_DBLCLICK; + evt.message = EVT_RIGHTBMASK; + break; + case WM_RBUTTONDOWN: + evt.what = EVT_MOUSEDOWN; + evt.message = EVT_RIGHTBMASK; + break; + case WM_RBUTTONUP: + evt.what = EVT_MOUSEUP; + evt.message = EVT_RIGHTBMASK; + break; + case WM_MBUTTONDBLCLK: + evt.what = EVT_MOUSEDOWN | EVT_DBLCLICK; + evt.message = EVT_MIDDLEBMASK; + break; + case WM_MBUTTONDOWN: + evt.what = EVT_MOUSEDOWN; + evt.message = EVT_MIDDLEBMASK; + break; + case WM_MBUTTONUP: + evt.what = EVT_MOUSEUP; + evt.message = EVT_MIDDLEBMASK; + break; + case WM_KEYDOWN: + case WM_SYSKEYDOWN: + if (HIWORD(msg.lParam) & KF_REPEAT) { + evt.what = EVT_KEYREPEAT; + } + else { + evt.what = EVT_KEYDOWN; + } + break; + case WM_KEYUP: + case WM_SYSKEYUP: + evt.what = EVT_KEYUP; + break; + } + + /* Convert mouse event modifier flags */ + if (evt.what & EVT_MOUSEEVT) { + if (_PM_deskX) { + evt.where_x = ((long)msg.pt.x * rangeX) / _PM_deskX; + evt.where_y = ((long)msg.pt.y * rangeY) / _PM_deskY; + } + else { + ScreenToClient(_PM_hwndConsole, &msg.pt); + evt.where_x = msg.pt.x; + evt.where_y = msg.pt.y; + } + if (evt.what == EVT_MOUSEMOVE) { + /* Save the current mouse position */ + EVT.mx = evt.where_x; + EVT.my = evt.where_y; + if (EVT.oldMove != -1) { + EVT.evtq[EVT.oldMove].where_x = evt.where_x;/* Modify existing one */ + EVT.evtq[EVT.oldMove].where_y = evt.where_y; +// EVT.evtq[EVT.oldMove].relative_x += mickeyX; // TODO! +// EVT.evtq[EVT.oldMove].relative_y += mickeyY; // TODO! + evt.what = 0; + } + else { + EVT.oldMove = EVT.freeHead; /* Save id of this move event */ +// evt.relative_x = mickeyX; // TODO! +// evt.relative_y = mickeyY; // TODO! + } + } + else + EVT.oldMove = -1; + if (msg.wParam & MK_LBUTTON) + evt.modifiers |= EVT_LEFTBUT; + if (msg.wParam & MK_RBUTTON) + evt.modifiers |= EVT_RIGHTBUT; + if (msg.wParam & MK_MBUTTON) + evt.modifiers |= EVT_MIDDLEBUT; + if (msg.wParam & MK_SHIFT) + evt.modifiers |= EVT_SHIFTKEY; + if (msg.wParam & MK_CONTROL) + evt.modifiers |= EVT_CTRLSTATE; + } + + /* Convert keyboard codes */ + TranslateMessage(&msg); + if (evt.what & EVT_KEYEVT) { + int scanCode = (msg.lParam >> 16) & 0xFF; + if (evt.what == EVT_KEYUP) { + /* Get message for keyup code from table of cached down values */ + evt.message = keyUpMsg[scanCode]; + keyUpMsg[scanCode] = 0; + } + else { + if (PeekMessage(&charMsg,NULL,WM_CHAR,WM_CHAR,PM_REMOVE)) + evt.message = charMsg.wParam; + if (PeekMessage(&charMsg,NULL,WM_SYSCHAR,WM_SYSCHAR,PM_REMOVE)) + evt.message = charMsg.wParam; + evt.message |= ((msg.lParam >> 8) & 0xFF00); + keyUpMsg[scanCode] = (ushort)evt.message; + } + if (evt.what == EVT_KEYREPEAT) + evt.message |= (msg.lParam << 16); + if (HIWORD(msg.lParam) & KF_ALTDOWN) + evt.modifiers |= EVT_ALTSTATE; + if (GetKeyState(VK_SHIFT) & 0x8000U) + evt.modifiers |= EVT_SHIFTKEY; + if (GetKeyState(VK_CONTROL) & 0x8000U) + evt.modifiers |= EVT_CTRLSTATE; + EVT.oldMove = -1; + } + + if (evt.what != 0) { + /* Add time stamp and add the event to the queue */ + evt.when = msg.time; + if (EVT.count < EVENTQSIZE) + addEvent(&evt); + } + DispatchMessage(&msg); + } +} + +/**************************************************************************** +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( + int signal) +{ + (void)signal; + 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. +****************************************************************************/ +void EVTAPI EVT_init( + _EVT_mouseMoveHandler mouseMove) +{ + /* Initialise the event queue */ + EVT.mouseMove = mouseMove; + initEventQueue(); + memset(keyUpMsg,0,sizeof(keyUpMsg)); + + /* 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 +Modifes the mouse coordinates as necessary if scaling to OS coordinates, +and sets the OS mouse cursor position. +****************************************************************************/ +void _EVT_setMousePos( + int *x, + int *y) +{ + /* Scale coordinates up to desktop coordinates first */ + int scaledX = (*x * _PM_deskX) / rangeX; + int scaledY = (*y * _PM_deskY) / rangeY; + + /* Scale coordinates back to screen coordinates again */ + *x = (scaledX * rangeX) / _PM_deskX; + *y = (scaledY * rangeY) / _PM_deskY; + SetCursorPos(scaledX,scaledY); +} + +/**************************************************************************** +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 Win32 +} + +/**************************************************************************** +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 Win32 +} + +/**************************************************************************** +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); +} + +/**************************************************************************** +DESCRIPTION: +Returns the mask indicating what joystick axes are attached. + +HEADER: +event.h + +REMARKS: +This function is used to detect the attached joysticks, and determine +what axes are present and functioning. This function will re-detect any +attached joysticks when it is called, so if the user forgot to attach +the joystick when the application started, you can call this function to +re-detect any newly attached joysticks. + +SEE ALSO: +EVT_joySetLowerRight, EVT_joySetCenter, EVT_joyIsPresent +****************************************************************************/ +int EVTAPI EVT_joyIsPresent(void) +{ + // TODO: Implement joystick code based on DirectX! + return 0; +} + +/**************************************************************************** +DESCRIPTION: +Polls the joystick for position and button information. + +HEADER: +event.h + +REMARKS: +This routine is used to poll analogue joysticks for button and position +information. It should be called once for each main loop of the user +application, just before processing all pending events via EVT_getNext. +All information polled from the joystick will be posted to the event +queue for later retrieval. + +Note: Most analogue joysticks will provide readings that change even + though the joystick has not moved. Hence if you call this routine + you will likely get an EVT_JOYMOVE event every time through your + event loop. + +SEE ALSO: +EVT_getNext, EVT_peekNext, EVT_joySetUpperLeft, EVT_joySetLowerRight, +EVT_joySetCenter, EVT_joyIsPresent +****************************************************************************/ +void EVTAPI EVT_pollJoystick(void) +{ +} + +/**************************************************************************** +DESCRIPTION: +Calibrates the joystick upper left position + +HEADER: +event.h + +REMARKS: +This function can be used to zero in on better joystick calibration factors, +which may work better than the default simplistic calibration (which assumes +the joystick is centered when the event library is initialised). +To use this function, ask the user to hold the stick in the upper left +position and then have them press a key or button. and then call this +function. This function will then read the joystick and update the +calibration factors. + +Usually, assuming that the stick was centered when the event library was +initialized, you really only need to call EVT_joySetLowerRight since the +upper left position is usually always 0,0 on most joysticks. However, the +safest procedure is to call all three calibration functions. + +SEE ALSO: +EVT_joySetUpperLeft, EVT_joySetLowerRight, EVT_joyIsPresent +****************************************************************************/ +void EVTAPI EVT_joySetUpperLeft(void) +{ +} + +/**************************************************************************** +DESCRIPTION: +Calibrates the joystick lower right position + +HEADER: +event.h + +REMARKS: +This function can be used to zero in on better joystick calibration factors, +which may work better than the default simplistic calibration (which assumes +the joystick is centered when the event library is initialised). +To use this function, ask the user to hold the stick in the lower right +position and then have them press a key or button. and then call this +function. This function will then read the joystick and update the +calibration factors. + +Usually, assuming that the stick was centered when the event library was +initialized, you really only need to call EVT_joySetLowerRight since the +upper left position is usually always 0,0 on most joysticks. However, the +safest procedure is to call all three calibration functions. + +SEE ALSO: +EVT_joySetUpperLeft, EVT_joySetCenter, EVT_joyIsPresent +****************************************************************************/ +void EVTAPI EVT_joySetLowerRight(void) +{ +} + +/**************************************************************************** +DESCRIPTION: +Calibrates the joystick center position + +HEADER: +event.h + +REMARKS: +This function can be used to zero in on better joystick calibration factors, +which may work better than the default simplistic calibration (which assumes +the joystick is centered when the event library is initialised). +To use this function, ask the user to hold the stick in the center +position and then have them press a key or button. and then call this +function. This function will then read the joystick and update the +calibration factors. + +Usually, assuming that the stick was centered when the event library was +initialized, you really only need to call EVT_joySetLowerRight since the +upper left position is usually always 0,0 on most joysticks. However, the +safest procedure is to call all three calibration functions. + +SEE ALSO: +EVT_joySetUpperLeft, EVT_joySetLowerRight, EVT_joySetCenter +****************************************************************************/ +void EVTAPI EVT_joySetCenter(void) +{ +} + |
