diff options
Diffstat (limited to 'board/MAI/bios_emulator/scitech/src/pm/event.c')
-rw-r--r-- | board/MAI/bios_emulator/scitech/src/pm/event.c | 430 |
1 files changed, 215 insertions, 215 deletions
diff --git a/board/MAI/bios_emulator/scitech/src/pm/event.c b/board/MAI/bios_emulator/scitech/src/pm/event.c index b284c68..b6f4586 100644 --- a/board/MAI/bios_emulator/scitech/src/pm/event.c +++ b/board/MAI/bios_emulator/scitech/src/pm/event.c @@ -106,8 +106,8 @@ queue. This routine assumes that at least one spot is available on the freeList for the event to be inserted. NOTE: Interrupts MUST be OFF while this routine is called to ensure we have - mutually exclusive access to our internal data structures for - interrupt driven systems (like under DOS). + mutually exclusive access to our internal data structures for + interrupt driven systems (like under DOS). ****************************************************************************/ static void addEvent( event_t *evt) @@ -116,35 +116,35 @@ static void addEvent( /* Check for mouse double click events */ if (evt->what & EVT_MOUSEEVT) { - EVT.autoMouse_x = evt->where_x; - EVT.autoMouse_y = evt->where_y; - if ((evt->what & EVT_MOUSEDOWN) && !(evt->message & EVT_DBLCLICK)) { - /* Determine if the last mouse event was a double click event */ - uint diff_x = ABS(evt->where_x - EVT.downMouse.where_x); - uint diff_y = ABS(evt->where_y - EVT.downMouse.where_y); - if ((evt->message == EVT.downMouse.message) - && ((evt->when - EVT.downMouse.when) <= EVT.doubleClick) - && (diff_x <= EVT.doubleClickThresh) - && (diff_y <= EVT.doubleClickThresh)) { - evt->message |= EVT_DBLCLICK; - EVT.downMouse = *evt; - EVT.downMouse.when = 0; - } - else - EVT.downMouse = *evt; - EVT.autoTicks = _EVT_getTicks(); - } - else if (evt->what & EVT_MOUSEUP) { - EVT.downMouse.what = EVT_NULLEVT; - EVT.firstAuto = true; - } - } + EVT.autoMouse_x = evt->where_x; + EVT.autoMouse_y = evt->where_y; + if ((evt->what & EVT_MOUSEDOWN) && !(evt->message & EVT_DBLCLICK)) { + /* Determine if the last mouse event was a double click event */ + uint diff_x = ABS(evt->where_x - EVT.downMouse.where_x); + uint diff_y = ABS(evt->where_y - EVT.downMouse.where_y); + if ((evt->message == EVT.downMouse.message) + && ((evt->when - EVT.downMouse.when) <= EVT.doubleClick) + && (diff_x <= EVT.doubleClickThresh) + && (diff_y <= EVT.doubleClickThresh)) { + evt->message |= EVT_DBLCLICK; + EVT.downMouse = *evt; + EVT.downMouse.when = 0; + } + else + EVT.downMouse = *evt; + EVT.autoTicks = _EVT_getTicks(); + } + else if (evt->what & EVT_MOUSEUP) { + EVT.downMouse.what = EVT_NULLEVT; + EVT.firstAuto = true; + } + } /* Call user supplied callback to modify the event if desired */ if (EVT.userEventCallback) { - if (!EVT.userEventCallback(evt)) - return; - } + if (!EVT.userEventCallback(evt)) + return; + } /* Get spot to place the event from the free list */ evtID = EVT.freeHead; @@ -154,9 +154,9 @@ static void addEvent( evt->next = -1; evt->prev = EVT.tail; if (EVT.tail != -1) - EVT.evtq[EVT.tail].next = evtID; + EVT.evtq[EVT.tail].next = evtID; else - EVT.head = evtID; + EVT.head = evtID; EVT.tail = evtID; EVT.evtq[evtID] = *evt; EVT.count++; @@ -172,7 +172,7 @@ static void initEventQueue(void) /* Build free list, and initialize global data structures */ for (i = 0; i < EVENTQSIZE; i++) - EVT.evtq[i].next = i+1; + EVT.evtq[i].next = i+1; EVT.evtq[EVENTQSIZE-1].next = -1; /* Terminate list */ EVT.count = EVT.freeHead = 0; EVT.head = EVT.tail = -1; @@ -217,21 +217,21 @@ static int scaleJoyAxis( /* Make sure the joystick is calibrated properly */ if (EVT.joyCenter[axis] - EVT.joyMin[axis] < 5) - return raw; + return raw; if (EVT.joyMax[axis] - EVT.joyCenter[axis] < 5) - return raw; + return raw; /* Now scale the coordinates to -128 to 127 */ raw -= EVT.joyCenter[axis]; if (raw < 0) - range = EVT.joyCenter[axis]-EVT.joyMin[axis]; + range = EVT.joyCenter[axis]-EVT.joyMin[axis]; else - range = EVT.joyMax[axis]-EVT.joyCenter[axis]; + range = EVT.joyMax[axis]-EVT.joyCenter[axis]; scaled = (raw * 128) / range; if (scaled < -128) - scaled = -128; + scaled = -128; if (scaled > 127) - scaled = 127; + scaled = 127; return scaled; } #endif @@ -308,9 +308,9 @@ int EVTAPI EVT_joyIsPresent(void) #endif mask = _EVT_readJoyAxis(EVT_JOY_AXIS_ALL,EVT.joyCenter); if (mask) { - for (i = 0; i < JOY_NUM_AXES; i++) - EVT.joyMax[i] = EVT.joyCenter[i]*2; - } + for (i = 0; i < JOY_NUM_AXES; i++) + EVT.joyMax[i] = EVT.joyCenter[i]*2; + } return mask; } @@ -329,9 +329,9 @@ 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. + 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, @@ -343,68 +343,68 @@ void EVTAPI EVT_pollJoystick(void) int i,axis[JOY_NUM_AXES],newButState,mask,moved,ps; if (EVT.joyMask) { - /* Read joystick axes and post movement events if they have - * changed since the last time we polled. Until the events are - * actually flushed, we keep modifying the same joystick movement - * event, so you won't get multiple movement event - */ - mask = _EVT_readJoyAxis(EVT.joyMask,axis); - newButState = _EVT_readJoyButtons(); - moved = false; - for (i = 0; i < JOY_NUM_AXES; i++) { - if (mask & (EVT_JOY_AXIS_X1 << i)) - axis[i] = scaleJoyAxis(axis[i],i); - else - axis[i] = EVT.joyPrev[i]; - if (axis[i] != EVT.joyPrev[i]) - moved = true; - } - if (moved) { - memcpy(EVT.joyPrev,axis,sizeof(EVT.joyPrev)); - ps = _EVT_disableInt(); - if (EVT.oldJoyMove != -1) { - /* Modify the existing joystick movement event */ - EVT.evtq[EVT.oldJoyMove].message = newButState; - EVT.evtq[EVT.oldJoyMove].where_x = EVT.joyPrev[0]; - EVT.evtq[EVT.oldJoyMove].where_y = EVT.joyPrev[1]; - EVT.evtq[EVT.oldJoyMove].relative_x = EVT.joyPrev[2]; - EVT.evtq[EVT.oldJoyMove].relative_y = EVT.joyPrev[3]; - } - else if (EVT.count < EVENTQSIZE) { - /* Add a new joystick movement event */ - EVT.oldJoyMove = EVT.freeHead; - memset(&evt,0,sizeof(evt)); - evt.what = EVT_JOYMOVE; - evt.message = EVT.joyButState; - evt.where_x = EVT.joyPrev[0]; - evt.where_y = EVT.joyPrev[1]; - evt.relative_x = EVT.joyPrev[2]; - evt.relative_y = EVT.joyPrev[3]; - addEvent(&evt); - } - _EVT_restoreInt(ps); - } - - /* Read the joystick buttons, and post events to reflect the change - * in state for the joystick buttons. - */ - if (newButState != EVT.joyButState) { - if (EVT.count < EVENTQSIZE) { - /* Add a new joystick click event */ - ps = _EVT_disableInt(); - memset(&evt,0,sizeof(evt)); - evt.what = EVT_JOYCLICK; - evt.message = newButState; - EVT.evtq[EVT.oldJoyMove].where_x = EVT.joyPrev[0]; - EVT.evtq[EVT.oldJoyMove].where_y = EVT.joyPrev[1]; - EVT.evtq[EVT.oldJoyMove].relative_x = EVT.joyPrev[2]; - EVT.evtq[EVT.oldJoyMove].relative_y = EVT.joyPrev[3]; - addEvent(&evt); - _EVT_restoreInt(ps); - } - EVT.joyButState = newButState; - } - } + /* Read joystick axes and post movement events if they have + * changed since the last time we polled. Until the events are + * actually flushed, we keep modifying the same joystick movement + * event, so you won't get multiple movement event + */ + mask = _EVT_readJoyAxis(EVT.joyMask,axis); + newButState = _EVT_readJoyButtons(); + moved = false; + for (i = 0; i < JOY_NUM_AXES; i++) { + if (mask & (EVT_JOY_AXIS_X1 << i)) + axis[i] = scaleJoyAxis(axis[i],i); + else + axis[i] = EVT.joyPrev[i]; + if (axis[i] != EVT.joyPrev[i]) + moved = true; + } + if (moved) { + memcpy(EVT.joyPrev,axis,sizeof(EVT.joyPrev)); + ps = _EVT_disableInt(); + if (EVT.oldJoyMove != -1) { + /* Modify the existing joystick movement event */ + EVT.evtq[EVT.oldJoyMove].message = newButState; + EVT.evtq[EVT.oldJoyMove].where_x = EVT.joyPrev[0]; + EVT.evtq[EVT.oldJoyMove].where_y = EVT.joyPrev[1]; + EVT.evtq[EVT.oldJoyMove].relative_x = EVT.joyPrev[2]; + EVT.evtq[EVT.oldJoyMove].relative_y = EVT.joyPrev[3]; + } + else if (EVT.count < EVENTQSIZE) { + /* Add a new joystick movement event */ + EVT.oldJoyMove = EVT.freeHead; + memset(&evt,0,sizeof(evt)); + evt.what = EVT_JOYMOVE; + evt.message = EVT.joyButState; + evt.where_x = EVT.joyPrev[0]; + evt.where_y = EVT.joyPrev[1]; + evt.relative_x = EVT.joyPrev[2]; + evt.relative_y = EVT.joyPrev[3]; + addEvent(&evt); + } + _EVT_restoreInt(ps); + } + + /* Read the joystick buttons, and post events to reflect the change + * in state for the joystick buttons. + */ + if (newButState != EVT.joyButState) { + if (EVT.count < EVENTQSIZE) { + /* Add a new joystick click event */ + ps = _EVT_disableInt(); + memset(&evt,0,sizeof(evt)); + evt.what = EVT_JOYCLICK; + evt.message = newButState; + EVT.evtq[EVT.oldJoyMove].where_x = EVT.joyPrev[0]; + EVT.evtq[EVT.oldJoyMove].where_y = EVT.joyPrev[1]; + EVT.evtq[EVT.oldJoyMove].relative_x = EVT.joyPrev[2]; + EVT.evtq[EVT.oldJoyMove].relative_y = EVT.joyPrev[3]; + addEvent(&evt); + _EVT_restoreInt(ps); + } + EVT.joyButState = newButState; + } + } } /**************************************************************************** @@ -526,19 +526,19 @@ ibool EVTAPI EVT_post( uint ps; if (EVT.count < EVENTQSIZE) { - /* Save information in event record */ - ps = _EVT_disableInt(); - evt.which = which; - evt.when = _EVT_getTicks(); - evt.what = what; - evt.message = message; - evt.modifiers = modifiers; - addEvent(&evt); /* Add to EVT.tail of event queue */ - _EVT_restoreInt(ps); - return true; - } + /* Save information in event record */ + ps = _EVT_disableInt(); + evt.which = which; + evt.when = _EVT_getTicks(); + evt.what = what; + evt.message = message; + evt.modifiers = modifiers; + addEvent(&evt); /* Add to EVT.tail of event queue */ + _EVT_restoreInt(ps); + return true; + } else - return false; + return false; } /**************************************************************************** @@ -565,8 +565,8 @@ void EVTAPI EVT_flush( event_t evt; do { /* Flush all events */ - EVT_getNext(&evt,mask); - } while (evt.what != EVT_NULLEVT); + EVT_getNext(&evt,mask); + } while (evt.what != EVT_NULLEVT); } /**************************************************************************** @@ -596,10 +596,10 @@ void EVTAPI EVT_halt( ulong mask) { do { /* Wait for an event */ - if (mask & (EVT_JOYEVT)) - EVT_pollJoystick(); - EVT_getNext(evt,EVT_EVERYEVT); - } while (!(evt->what & mask)); + if (mask & (EVT_JOYEVT)) + EVT_pollJoystick(); + EVT_getNext(evt,EVT_EVERYEVT); + } while (!(evt->what & mask)); } /**************************************************************************** @@ -636,31 +636,31 @@ ibool EVTAPI EVT_peekNext( uint ps; if (EVT.heartBeat) - EVT.heartBeat(EVT.heartBeatParams); + EVT.heartBeat(EVT.heartBeatParams); _EVT_pumpMessages(); /* Pump all messages into queue */ EVT.mouseMove(EVT.mx,EVT.my); /* Move the mouse cursor */ evt->what = EVT_NULLEVT; /* Default to null event */ if (EVT.count) { - /* It is possible that an event be posted while we are trying - * to access the event queue. This would create problems since - * we may end up with invalid data for our event queue pointers. To - * alleviate this, all interrupts are suspended while we manipulate - * our pointers. - */ - ps = _EVT_disableInt(); /* disable interrupts */ - for (evtID = EVT.head; evtID != -1; evtID = EVT.evtq[evtID].next) { - if (EVT.evtq[evtID].what & mask) - break; /* Found an event */ - } - if (evtID == -1) { - _EVT_restoreInt(ps); - return false; /* Event was not found */ - } - *evt = EVT.evtq[evtID]; /* Return the event */ - _EVT_restoreInt(ps); - if (evt->what & EVT_KEYEVT) - _EVT_maskKeyCode(evt); - } + /* It is possible that an event be posted while we are trying + * to access the event queue. This would create problems since + * we may end up with invalid data for our event queue pointers. To + * alleviate this, all interrupts are suspended while we manipulate + * our pointers. + */ + ps = _EVT_disableInt(); /* disable interrupts */ + for (evtID = EVT.head; evtID != -1; evtID = EVT.evtq[evtID].next) { + if (EVT.evtq[evtID].what & mask) + break; /* Found an event */ + } + if (evtID == -1) { + _EVT_restoreInt(ps); + return false; /* Event was not found */ + } + *evt = EVT.evtq[evtID]; /* Return the event */ + _EVT_restoreInt(ps); + if (evt->what & EVT_KEYEVT) + _EVT_maskKeyCode(evt); + } return evt->what != EVT_NULLEVT; } @@ -696,10 +696,10 @@ If an event of the specified type was not in the event queue, the what field of the event will be set to NULLEVT, and the return value will return false. Note: You should /always/ use the EVT_EVERYEVT mask for extracting events - from your main event loop handler. Using a mask for only a specific - type of event for long periods of time will cause the event queue to - fill up with events of the type you are ignoring, eventually causing - the application to hang when the event queue becomes full. + from your main event loop handler. Using a mask for only a specific + type of event for long periods of time will cause the event queue to + fill up with events of the type you are ignoring, eventually causing + the application to hang when the event queue becomes full. SEE ALSO: EVT_flush, EVT_halt, EVT_peekNext @@ -712,68 +712,68 @@ ibool EVTAPI EVT_getNext( uint ps; if (EVT.heartBeat) - EVT.heartBeat(EVT.heartBeatParams); + EVT.heartBeat(EVT.heartBeatParams); _EVT_pumpMessages(); /* Pump all messages into queue */ EVT.mouseMove(EVT.mx,EVT.my); /* Move the mouse cursor */ evt->what = EVT_NULLEVT; /* Default to null event */ if (EVT.count) { - /* It is possible that an event be posted while we are trying - * to access the event queue. This would create problems since - * we may end up with invalid data for our event queue pointers. To - * alleviate this, all interrupts are suspended while we manipulate - * our pointers. - */ - ps = _EVT_disableInt(); /* disable interrupts */ - for (evtID = EVT.head; evtID != -1; evtID = EVT.evtq[evtID].next) { - if (EVT.evtq[evtID].what & mask) - break; /* Found an event */ - } - if (evtID == -1) { - _EVT_restoreInt(ps); - return false; /* Event was not found */ - } - next = EVT.evtq[evtID].next; - prev = EVT.evtq[evtID].prev; - if (prev != -1) - EVT.evtq[prev].next = next; - else - EVT.head = next; - if (next != -1) - EVT.evtq[next].prev = prev; - else - EVT.tail = prev; - *evt = EVT.evtq[evtID]; /* Return the event */ - EVT.evtq[evtID].next = EVT.freeHead; /* and return to free list */ - EVT.freeHead = evtID; - EVT.count--; - if (evt->what == EVT_MOUSEMOVE) - EVT.oldMove = -1; - if (evt->what == EVT_KEYREPEAT) - EVT.oldKey = -1; - if (evt->what == EVT_JOYMOVE) - EVT.oldJoyMove = -1; - _EVT_restoreInt(ps); /* enable interrupts */ - if (evt->what & EVT_KEYEVT) - _EVT_maskKeyCode(evt); - } + /* It is possible that an event be posted while we are trying + * to access the event queue. This would create problems since + * we may end up with invalid data for our event queue pointers. To + * alleviate this, all interrupts are suspended while we manipulate + * our pointers. + */ + ps = _EVT_disableInt(); /* disable interrupts */ + for (evtID = EVT.head; evtID != -1; evtID = EVT.evtq[evtID].next) { + if (EVT.evtq[evtID].what & mask) + break; /* Found an event */ + } + if (evtID == -1) { + _EVT_restoreInt(ps); + return false; /* Event was not found */ + } + next = EVT.evtq[evtID].next; + prev = EVT.evtq[evtID].prev; + if (prev != -1) + EVT.evtq[prev].next = next; + else + EVT.head = next; + if (next != -1) + EVT.evtq[next].prev = prev; + else + EVT.tail = prev; + *evt = EVT.evtq[evtID]; /* Return the event */ + EVT.evtq[evtID].next = EVT.freeHead; /* and return to free list */ + EVT.freeHead = evtID; + EVT.count--; + if (evt->what == EVT_MOUSEMOVE) + EVT.oldMove = -1; + if (evt->what == EVT_KEYREPEAT) + EVT.oldKey = -1; + if (evt->what == EVT_JOYMOVE) + EVT.oldJoyMove = -1; + _EVT_restoreInt(ps); /* enable interrupts */ + if (evt->what & EVT_KEYEVT) + _EVT_maskKeyCode(evt); + } /* If there is no event pending, check if we should generate an auto * mouse down event if the mouse is still currently down. */ if (evt->what == EVT_NULLEVT && EVT.autoRepeat && (mask & EVT_MOUSEAUTO) && (EVT.downMouse.what & EVT_MOUSEDOWN)) { - ulong ticks = _EVT_getTicks(); - if ((ticks - EVT.autoTicks) >= (EVT.autoRepeat + (EVT.firstAuto ? EVT.autoDelay : 0))) { - evt->what = EVT_MOUSEAUTO; - evt->message = EVT.downMouse.message; - evt->modifiers = EVT.downMouse.modifiers; - evt->where_x = EVT.autoMouse_x; - evt->where_y = EVT.autoMouse_y; - evt->relative_x = 0; - evt->relative_y = 0; - EVT.autoTicks = evt->when = ticks; - EVT.firstAuto = false; - } - } + ulong ticks = _EVT_getTicks(); + if ((ticks - EVT.autoTicks) >= (EVT.autoRepeat + (EVT.firstAuto ? EVT.autoDelay : 0))) { + evt->what = EVT_MOUSEAUTO; + evt->message = EVT.downMouse.message; + evt->modifiers = EVT.downMouse.modifiers; + evt->where_x = EVT.autoMouse_x; + evt->where_y = EVT.autoMouse_y; + evt->relative_x = 0; + evt->relative_y = 0; + EVT.autoTicks = evt->when = ticks; + EVT.firstAuto = false; + } + } return evt->what != EVT_NULLEVT; } @@ -802,18 +802,18 @@ callback unless you plan to use the events immediately that they are recieved. Note: Your event callback may be called in response to a hardware - interrupt and will be executing in the context of the hardware - interrupt handler under MSDOS (ie: keyboard interrupt or mouse - interrupt). For this reason the code pages for the callback that - you register must be locked in memory with the PM_lockCodePages - function. You must also lock down any data pages that your function - needs to reference as well. + interrupt and will be executing in the context of the hardware + interrupt handler under MSDOS (ie: keyboard interrupt or mouse + interrupt). For this reason the code pages for the callback that + you register must be locked in memory with the PM_lockCodePages + function. You must also lock down any data pages that your function + needs to reference as well. Note: You can also use this filter callback to process events at the - time they are activated by the user (ie: when the user hits the - key or moves the mouse), but make sure your code runs as fast as - possible as it will be executing inside the context of an interrupt - handler on some systems. + time they are activated by the user (ie: when the user hits the + key or moves the mouse), but make sure your code runs as fast as + possible as it will be executing inside the context of an interrupt + handler on some systems. SEE ALSO: EVT_getNext, EVT_peekNext @@ -1068,10 +1068,10 @@ the scan code is the result, for example: code = EVT_scanCode(EVT.myEvent.message); NOTE: Scan codes in the event library are not really hardware scan codes, - but rather virtual scan codes as generated by a low level keyboard - interface driver. All virtual scan code values are defined by the - EVT_scanCodesType enumeration, and will be identical across all - supports OS'es and platforms. + but rather virtual scan codes as generated by a low level keyboard + interface driver. All virtual scan code values are defined by the + EVT_scanCodesType enumeration, and will be identical across all + supports OS'es and platforms. SEE ALSO: EVT_asciiCode, EVT_repeatCount |