diff options
Diffstat (limited to 'nx-X11/programs/Xserver/hw/darwin/darwinEvents.c')
| -rw-r--r-- | nx-X11/programs/Xserver/hw/darwin/darwinEvents.c | 481 |
1 files changed, 0 insertions, 481 deletions
diff --git a/nx-X11/programs/Xserver/hw/darwin/darwinEvents.c b/nx-X11/programs/Xserver/hw/darwin/darwinEvents.c deleted file mode 100644 index 61100d9b3..000000000 --- a/nx-X11/programs/Xserver/hw/darwin/darwinEvents.c +++ /dev/null @@ -1,481 +0,0 @@ -/* - * Darwin event queue and event handling - */ -/* -Copyright (c) 2002-2004 Torrey T. Lyons. All Rights Reserved. -Copyright 2004 Kaleb S. KEITHLEY. All Rights Reserved. - -This file is based on mieq.c by Keith Packard, -which contains the following copyright: -Copyright 1990, 1998 The Open Group - -Permission to use, copy, modify, distribute, and sell this software and its -documentation for any purpose is hereby granted without fee, provided that -the above copyright notice appear in all copies and that both that -copyright notice and this permission notice appear in supporting -documentation. - -The above copyright notice and this permission notice shall be included in -all copies or substantial portions of the Software. - -THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR -IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, -FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE -OPEN GROUP BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN -AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN -CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. - -Except as contained in this notice, the name of The Open Group shall not be -used in advertising or otherwise to promote the sale, use or other dealings -in this Software without prior written authorization from The Open Group. - */ -/* $XFree86: xc/programs/Xserver/hw/darwin/darwinEvents.c,v 1.6 2004/03/31 22:29:09 torrey Exp $ */ - -#define NEED_EVENTS -#include <X11/X.h> -#include <X11/Xmd.h> -#include <X11/Xproto.h> -#include "misc.h" -#include "windowstr.h" -#include "pixmapstr.h" -#include "inputstr.h" -#include "mi.h" -#include "scrnintstr.h" -#include "mipointer.h" - -#include "darwin.h" -#include "darwinKeyboard.h" - -#include <sys/types.h> -#include <sys/uio.h> -#include <unistd.h> -#include <IOKit/hidsystem/IOLLEvent.h> - -/* Fake button press/release for scroll wheel move. */ -#define SCROLLWHEELUPFAKE 4 -#define SCROLLWHEELDOWNFAKE 5 - -#define QUEUE_SIZE 256 - -typedef struct _Event { - xEvent event; - ScreenPtr pScreen; -} EventRec, *EventPtr; - -typedef struct _EventQueue { - HWEventQueueType head, tail; /* long for SetInputCheck */ - CARD32 lastEventTime; /* to avoid time running backwards */ - Bool lastMotion; - EventRec events[QUEUE_SIZE]; /* static allocation for signals */ - DevicePtr pKbd, pPtr; /* device pointer, to get funcs */ - ScreenPtr pEnqueueScreen; /* screen events are being delivered to */ - ScreenPtr pDequeueScreen; /* screen events are being dispatched to */ -} EventQueueRec, *EventQueuePtr; - -static EventQueueRec darwinEventQueue; - - -/* - * DarwinPressModifierMask - * Press or release the given modifier key, specified by its mask. - */ -static void DarwinPressModifierMask( - xEvent *xe, // must already have type, time and mouse location - int mask) // one of NX_*MASK constants -{ - int key = DarwinModifierNXMaskToNXKey(mask); - - if (key != -1) { - int keycode = DarwinModifierNXKeyToNXKeycode(key, 0); - if (keycode != 0) { - xe->u.u.detail = keycode + MIN_KEYCODE; - (*darwinEventQueue.pKbd->processInputProc)(xe, - (DeviceIntPtr)darwinEventQueue.pKbd, 1); - } - } -} - -#ifdef NX_DEVICELCTLKEYMASK -#define CONTROL_MASK(flags) (flags & (NX_DEVICELCTLKEYMASK|NX_DEVICERCTLKEYMASK)) -#else -#define CONTROL_MASK(flags) (NX_CONTROLMASK) -#endif /* NX_DEVICELCTLKEYMASK */ - -#ifdef NX_DEVICELSHIFTKEYMASK -#define SHIFT_MASK(flags) (flags & (NX_DEVICELSHIFTKEYMASK|NX_DEVICERSHIFTKEYMASK)) -#else -#define SHIFT_MASK(flags) (NX_SHIFTMASK) -#endif /* NX_DEVICELSHIFTKEYMASK */ - -#ifdef NX_DEVICELCMDKEYMASK -#define COMMAND_MASK(flags) (flags & (NX_DEVICELCMDKEYMASK|NX_DEVICERCMDKEYMASK)) -#else -#define COMMAND_MASK(flags) (NX_COMMANDMASK) -#endif /* NX_DEVICELCMDKEYMASK */ - -#ifdef NX_DEVICELALTKEYMASK -#define ALTERNATE_MASK(flags) (flags & (NX_DEVICELALTKEYMASK|NX_DEVICERALTKEYMASK)) -#else -#define ALTERNATE_MASK(flags) (NX_ALTERNATEMASK) -#endif /* NX_DEVICELALTKEYMASK */ - -/* - * DarwinUpdateModifiers - * Send events to update the modifier state. - */ -static void DarwinUpdateModifiers( - xEvent *xe, // event template with time and mouse position set - int pressed, // KeyPress or KeyRelease - int flags ) // modifier flags that have changed -{ - xe->u.u.type = pressed; - if (flags & NX_ALPHASHIFTMASK) { - DarwinPressModifierMask(xe, NX_ALPHASHIFTMASK); - } - if (flags & NX_COMMANDMASK) { - DarwinPressModifierMask(xe, COMMAND_MASK(flags)); - } - if (flags & NX_CONTROLMASK) { - DarwinPressModifierMask(xe, CONTROL_MASK(flags)); - } - if (flags & NX_ALTERNATEMASK) { - DarwinPressModifierMask(xe, ALTERNATE_MASK(flags)); - } - if (flags & NX_SHIFTMASK) { - DarwinPressModifierMask(xe, SHIFT_MASK(flags)); - } - if (flags & NX_SECONDARYFNMASK) { - DarwinPressModifierMask(xe, NX_SECONDARYFNMASK); - } -} - - -/* - * DarwinSimulateMouseClick - * Send a mouse click to X when multiple mouse buttons are simulated - * with modifier-clicks, such as command-click for button 2. The dix - * layer is told that the previously pressed modifier key(s) are - * released, the simulated click event is sent. After the mouse button - * is released, the modifier keys are reverted to their actual state, - * which may or may not be pressed at that point. This is usually - * closest to what the user wants. Ie. the user typically wants to - * simulate a button 2 press instead of Command-button 2. - */ -static void DarwinSimulateMouseClick( - xEvent *xe, // event template with time and - // mouse position filled in - int whichButton, // mouse button to be pressed - int modifierMask) // modifiers used for the fake click -{ - // first fool X into forgetting about the keys - DarwinUpdateModifiers(xe, KeyRelease, modifierMask); - - // push the mouse button - xe->u.u.type = ButtonPress; - xe->u.u.detail = whichButton; - (*darwinEventQueue.pPtr->processInputProc) - (xe, (DeviceIntPtr)darwinEventQueue.pPtr, 1); -} - - -Bool -DarwinEQInit( - DevicePtr pKbd, - DevicePtr pPtr) -{ - darwinEventQueue.head = darwinEventQueue.tail = 0; - darwinEventQueue.lastEventTime = GetTimeInMillis (); - darwinEventQueue.pKbd = pKbd; - darwinEventQueue.pPtr = pPtr; - darwinEventQueue.pEnqueueScreen = screenInfo.screens[0]; - darwinEventQueue.pDequeueScreen = darwinEventQueue.pEnqueueScreen; - SetInputCheck (&darwinEventQueue.head, &darwinEventQueue.tail); - return TRUE; -} - - -/* - * DarwinEQEnqueue - * Must be thread safe with ProcessInputEvents. - * DarwinEQEnqueue - called from event gathering thread - * ProcessInputEvents - called from X server thread - * DarwinEQEnqueue should never be called from more than one thread. - */ -void -DarwinEQEnqueue( - const xEvent *e) -{ - HWEventQueueType oldtail, newtail; - char byte = 0; - - oldtail = darwinEventQueue.tail; - - // mieqEnqueue() collapses successive motion events into one event. - // This is difficult to do in a thread-safe way and rarely useful. - - newtail = oldtail + 1; - if (newtail == QUEUE_SIZE) - newtail = 0; - /* Toss events which come in late */ - if (newtail == darwinEventQueue.head) - return; - - darwinEventQueue.events[oldtail].event = *e; - /* - * Make sure that event times don't go backwards - this - * is "unnecessary", but very useful - */ - if (e->u.keyButtonPointer.time < darwinEventQueue.lastEventTime && - darwinEventQueue.lastEventTime - e->u.keyButtonPointer.time < 10000) - { - darwinEventQueue.events[oldtail].event.u.keyButtonPointer.time = - darwinEventQueue.lastEventTime; - } - darwinEventQueue.events[oldtail].pScreen = darwinEventQueue.pEnqueueScreen; - - // Update the tail after the event is prepared - darwinEventQueue.tail = newtail; - - // Signal there is an event ready to handle - write(darwinEventWriteFD, &byte, 1); -} - - -/* - * DarwinEQPointerPost - * Post a pointer event. Used by the mipointer.c routines. - */ -void -DarwinEQPointerPost( - xEvent *e) -{ - (*darwinEventQueue.pPtr->processInputProc) - (e, (DeviceIntPtr)darwinEventQueue.pPtr, 1); -} - - -void -DarwinEQSwitchScreen( - ScreenPtr pScreen, - Bool fromDIX) -{ - darwinEventQueue.pEnqueueScreen = pScreen; - if (fromDIX) - darwinEventQueue.pDequeueScreen = pScreen; -} - - -/* - * ProcessInputEvents - * Read and process events from the event queue until it is empty. - */ -void ProcessInputEvents(void) -{ - EventRec *e; - int x, y; - xEvent xe; - static int old_flags = 0; // last known modifier state - // button number and modifier mask of currently pressed fake button - static int darwinFakeMouseButtonDown = 0; - static int darwinFakeMouseButtonMask = 0; - - // Empty the signaling pipe - x = sizeof(xe); - while (x == sizeof(xe)) { - x = read(darwinEventReadFD, &xe, sizeof(xe)); - } - - while (darwinEventQueue.head != darwinEventQueue.tail) - { - if (screenIsSaved == SCREEN_SAVER_ON) - SaveScreens (SCREEN_SAVER_OFF, ScreenSaverReset); - - e = &darwinEventQueue.events[darwinEventQueue.head]; - xe = e->event; - - // Shift from global screen coordinates to coordinates relative to - // the origin of the current screen. - xe.u.keyButtonPointer.rootX -= darwinMainScreenX + - dixScreenOrigins[miPointerCurrentScreen()->myNum].x; - xe.u.keyButtonPointer.rootY -= darwinMainScreenY + - dixScreenOrigins[miPointerCurrentScreen()->myNum].y; - - /* - * Assumption - screen switching can only occur on motion events - */ - if (e->pScreen != darwinEventQueue.pDequeueScreen) - { - darwinEventQueue.pDequeueScreen = e->pScreen; - x = xe.u.keyButtonPointer.rootX; - y = xe.u.keyButtonPointer.rootY; - if (darwinEventQueue.head == QUEUE_SIZE - 1) - darwinEventQueue.head = 0; - else - ++darwinEventQueue.head; - NewCurrentScreen (darwinEventQueue.pDequeueScreen, x, y); - } - else - { - if (darwinEventQueue.head == QUEUE_SIZE - 1) - darwinEventQueue.head = 0; - else - ++darwinEventQueue.head; - switch (xe.u.u.type) - { - case KeyPress: - if (old_flags == 0 - && darwinSyncKeymap && darwinKeymapFile == NULL) - { - /* See if keymap has changed. */ - - static unsigned int last_seed; - unsigned int this_seed; - - this_seed = DarwinModeSystemKeymapSeed(); - if (this_seed != last_seed) - { - last_seed = this_seed; - DarwinKeyboardReload(darwinKeyboard); - } - } - /* fall through */ - - case KeyRelease: - xe.u.u.detail += MIN_KEYCODE; - (*darwinEventQueue.pKbd->processInputProc) - (&xe, (DeviceIntPtr)darwinEventQueue.pKbd, 1); - break; - - case ButtonPress: - miPointerAbsoluteCursor(xe.u.keyButtonPointer.rootX, - xe.u.keyButtonPointer.rootY, - xe.u.keyButtonPointer.time); - if (darwinFakeButtons && xe.u.u.detail == 1) { - // Mimic multi-button mouse with modifier-clicks - // If both sets of modifiers are pressed, - // button 2 is clicked. - if ((old_flags & darwinFakeMouse2Mask) == - darwinFakeMouse2Mask) - { - DarwinSimulateMouseClick(&xe, 2, darwinFakeMouse2Mask); - darwinFakeMouseButtonDown = 2; - darwinFakeMouseButtonMask = darwinFakeMouse2Mask; - break; - } - else if ((old_flags & darwinFakeMouse3Mask) == - darwinFakeMouse3Mask) - { - DarwinSimulateMouseClick(&xe, 3, darwinFakeMouse3Mask); - darwinFakeMouseButtonDown = 3; - darwinFakeMouseButtonMask = darwinFakeMouse3Mask; - break; - } - } - (*darwinEventQueue.pPtr->processInputProc) - (&xe, (DeviceIntPtr)darwinEventQueue.pPtr, 1); - break; - - case ButtonRelease: - miPointerAbsoluteCursor(xe.u.keyButtonPointer.rootX, - xe.u.keyButtonPointer.rootY, - xe.u.keyButtonPointer.time); - if (darwinFakeButtons && xe.u.u.detail == 1 && - darwinFakeMouseButtonDown) - { - // If last mousedown was a fake click, don't check for - // mouse modifiers here. The user may have released the - // modifiers before the mouse button. - xe.u.u.detail = darwinFakeMouseButtonDown; - darwinFakeMouseButtonDown = 0; - (*darwinEventQueue.pPtr->processInputProc) - (&xe, (DeviceIntPtr)darwinEventQueue.pPtr, 1); - - // Bring modifiers back up to date - DarwinUpdateModifiers(&xe, KeyPress, - darwinFakeMouseButtonMask & old_flags); - darwinFakeMouseButtonMask = 0; - } else { - (*darwinEventQueue.pPtr->processInputProc) - (&xe, (DeviceIntPtr)darwinEventQueue.pPtr, 1); - } - break; - - case MotionNotify: - miPointerAbsoluteCursor(xe.u.keyButtonPointer.rootX, - xe.u.keyButtonPointer.rootY, - xe.u.keyButtonPointer.time); - break; - - case kXDarwinUpdateModifiers: - { - // Update modifier state. - // Any amount of modifiers may have changed. - int flags = xe.u.clientMessage.u.l.longs0; - DarwinUpdateModifiers(&xe, KeyRelease, - old_flags & ~flags); - DarwinUpdateModifiers(&xe, KeyPress, - ~old_flags & flags); - old_flags = flags; - break; - } - - case kXDarwinUpdateButtons: - { - long hwDelta = xe.u.clientMessage.u.l.longs0; - long hwButtons = xe.u.clientMessage.u.l.longs1; - int i; - - for (i = 1; i < 5; i++) { - if (hwDelta & (1 << i)) { - // IOKit and X have different numbering for the - // middle and right mouse buttons. - if (i == 1) { - xe.u.u.detail = 3; - } else if (i == 2) { - xe.u.u.detail = 2; - } else { - xe.u.u.detail = i + 1; - } - if (hwButtons & (1 << i)) { - xe.u.u.type = ButtonPress; - } else { - xe.u.u.type = ButtonRelease; - } - (*darwinEventQueue.pPtr->processInputProc) - (&xe, (DeviceIntPtr)darwinEventQueue.pPtr, 1); - } - } - break; - } - - case kXDarwinScrollWheel: - { - short count = xe.u.clientMessage.u.s.shorts0; - - if (count > 0) { - xe.u.u.detail = SCROLLWHEELUPFAKE; - } else { - xe.u.u.detail = SCROLLWHEELDOWNFAKE; - count = -count; - } - - for (; count; --count) { - xe.u.u.type = ButtonPress; - (*darwinEventQueue.pPtr->processInputProc) - (&xe, (DeviceIntPtr)darwinEventQueue.pPtr, 1); - xe.u.u.type = ButtonRelease; - (*darwinEventQueue.pPtr->processInputProc) - (&xe, (DeviceIntPtr)darwinEventQueue.pPtr, 1); - } - break; - } - - default: - // Check for mode specific event - DarwinModeProcessEvent(&xe); - } - } - } - - miPointerUpdate(); -} |