xserver-multidpi/hw/dmx/input/dmxevents.c

827 lines
25 KiB
C

/*
* Copyright 2002-2003 Red Hat Inc., Durham, North Carolina.
*
* All Rights Reserved.
*
* Permission is hereby granted, free of charge, to any person obtaining
* a copy of this software and associated documentation files (the
* "Software"), to deal in the Software without restriction, including
* without limitation on the rights to use, copy, modify, merge,
* publish, distribute, sublicense, and/or sell copies of the Software,
* and to permit persons to whom the Software is furnished to do so,
* subject to the following conditions:
*
* The above copyright notice and this permission notice (including the
* next paragraph) 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
* NON-INFRINGEMENT. IN NO EVENT SHALL RED HAT AND/OR THEIR SUPPLIERS
* 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.
*/
/*
* Authors:
* Rickard E. (Rik) Faith <faith@redhat.com>
*
*/
/** \file
* Provide support and helper functions for enqueuing events received by
* the low-level input drivers. */
#ifdef HAVE_DMX_CONFIG_H
#include <dmx-config.h>
#endif
#define DMX_EVENTS_DEBUG 0
#include "dmxinputinit.h"
#include "dmxevents.h"
#include "dmxcb.h"
#include "dmxcommon.h"
#include "dmxcursor.h"
#include "dmxmotion.h"
#include "dmxmap.h"
#include <X11/keysym.h>
#include "opaque.h"
#include "inputstr.h"
#include "inpututils.h"
#include "mipointer.h"
#include "mi.h"
#include "exglobals.h"
#include "xkbsrv.h"
#include "XIstubs.h"
static int dmxGlobalX, dmxGlobalY; /* Global cursor position */
static int dmxGlobalInvalid; /* Flag indicating dmxCoreMotion
* should move the mouse anyway. */
#if DMX_EVENTS_DEBUG
#define DMXDBG0(f) dmxLog(dmxDebug,f)
#define DMXDBG1(f,a) dmxLog(dmxDebug,f,a)
#define DMXDBG2(f,a,b) dmxLog(dmxDebug,f,a,b)
#define DMXDBG3(f,a,b,c) dmxLog(dmxDebug,f,a,b,c)
#define DMXDBG4(f,a,b,c,d) dmxLog(dmxDebug,f,a,b,c,d)
#define DMXDBG5(f,a,b,c,d,e) dmxLog(dmxDebug,f,a,b,c,d,e)
#define DMXDBG6(f,a,b,c,d,e,g) dmxLog(dmxDebug,f,a,b,c,d,e,g)
#define DMXDBG7(f,a,b,c,d,e,g,h) dmxLog(dmxDebug,f,a,b,c,d,e,g,h)
#else
#define DMXDBG0(f)
#define DMXDBG1(f,a)
#define DMXDBG2(f,a,b)
#define DMXDBG3(f,a,b,c)
#define DMXDBG4(f,a,b,c,d)
#define DMXDBG5(f,a,b,c,d,e)
#define DMXDBG6(f,a,b,c,d,e,g)
#define DMXDBG7(f,a,b,c,d,e,g,h)
#endif
static int
dmxApplyFunctions(DMXInputInfo * dmxInput, DMXFunctionType f)
{
int i;
int rc = 0;
for (i = 0; i < dmxInput->numDevs; i += dmxInput->devs[i]->binding)
if (dmxInput->devs[i]->functions)
rc += dmxInput->devs[i]->functions(dmxInput->devs[i]->private, f);
return rc;
}
static int
dmxCheckFunctionKeys(DMXLocalInputInfoPtr dmxLocal, int type, KeySym keySym)
{
DMXInputInfo *dmxInput = &dmxInputs[dmxLocal->inputIdx];
#if 1 /* hack to detect ctrl-alt-q, etc */
static int ctrl = 0, alt = 0;
/* keep track of ctrl/alt key status */
if (type == KeyPress && keySym == 0xffe3) {
ctrl = 1;
}
else if (type == KeyRelease && keySym == 0xffe3) {
ctrl = 0;
}
else if (type == KeyPress && keySym == 0xffe9) {
alt = 1;
}
else if (type == KeyRelease && keySym == 0xffe9) {
alt = 0;
}
if (!ctrl || !alt)
return 0;
#else
unsigned short state = 0;
if (dmxLocal->sendsCore)
state = dmxLocalCoreKeyboard->pDevice->key->state;
else if (dmxLocal->pDevice->key)
state = dmxLocal->pDevice->key->state;
DMXDBG3("dmxCheckFunctionKeys: keySym=0x%04x %s state=0x%04x\n",
keySym, type == KeyPress ? "press" : "release", state);
if ((state & (ControlMask | Mod1Mask)) != (ControlMask | Mod1Mask))
return 0;
#endif
switch (keySym) {
case XK_g:
if (type == KeyPress)
dmxApplyFunctions(dmxInput, DMX_FUNCTION_GRAB);
return 1;
case XK_f:
if (type == KeyPress)
dmxApplyFunctions(dmxInput, DMX_FUNCTION_FINE);
return 1;
case XK_q:
if (type == KeyPress && dmxLocal->sendsCore)
if (dmxApplyFunctions(dmxInput, DMX_FUNCTION_TERMINATE)) {
dmxLog(dmxInfo, "User request for termination\n");
dispatchException |= DE_TERMINATE;
}
return 1;
}
return 0;
}
DMXScreenInfo *
dmxFindFirstScreen(int x, int y)
{
int i;
for (i = 0; i < dmxNumScreens; i++) {
DMXScreenInfo *dmxScreen = &dmxScreens[i];
if (dmxOnScreen(x, y, dmxScreen))
return dmxScreen;
}
return NULL;
}
/**
* Enqueue a motion event.
*/
static void
enqueueMotion(DevicePtr pDev, int x, int y)
{
GETDMXLOCALFROMPDEV;
DeviceIntPtr p = dmxLocal->pDevice;
int valuators[3];
int detail = 0; /* XXX should this be mask of pressed buttons? */
ValuatorMask mask;
valuators[0] = x;
valuators[1] = y;
valuator_mask_set_range(&mask, 0, 2, valuators);
QueuePointerEvents(p, MotionNotify, detail,
POINTER_ABSOLUTE | POINTER_SCREEN, &mask);
return;
}
void
dmxCoreMotion(DevicePtr pDev, int x, int y, int delta, DMXBlockType block)
{
DMXScreenInfo *dmxScreen;
DMXInputInfo *dmxInput;
ScreenPtr pScreen;
int localX;
int localY;
int i;
if (!dmxGlobalInvalid && dmxGlobalX == x && dmxGlobalY == y)
return;
DMXDBG5("dmxCoreMotion(%d,%d,%d) dmxGlobalX=%d dmxGlobalY=%d\n",
x, y, delta, dmxGlobalX, dmxGlobalY);
dmxGlobalInvalid = 0;
dmxGlobalX = x;
dmxGlobalY = y;
if (dmxGlobalX < 0)
dmxGlobalX = 0;
if (dmxGlobalY < 0)
dmxGlobalY = 0;
if (dmxGlobalX >= dmxGlobalWidth)
dmxGlobalX = dmxGlobalWidth + delta - 1;
if (dmxGlobalY >= dmxGlobalHeight)
dmxGlobalY = dmxGlobalHeight + delta - 1;
if ((dmxScreen = dmxFindFirstScreen(dmxGlobalX, dmxGlobalY))) {
localX = dmxGlobalX - dmxScreen->rootXOrigin;
localY = dmxGlobalY - dmxScreen->rootYOrigin;
if ((pScreen = miPointerGetScreen(inputInfo.pointer))
&& pScreen->myNum == dmxScreen->index) {
/* Screen is old screen */
if (block)
input_lock();
if (pDev)
enqueueMotion(pDev, localX, localY);
if (block)
input_unlock();
}
else {
/* Screen is new */
DMXDBG4(" New screen: old=%d new=%d localX=%d localY=%d\n",
pScreen->myNum, dmxScreen->index, localX, localY);
if (block)
input_lock();
mieqProcessInputEvents();
miPointerSetScreen(inputInfo.pointer, dmxScreen->index,
localX, localY);
if (pDev)
enqueueMotion(pDev, localX, localY);
if (block)
input_unlock();
}
#if 00
miPointerGetPosition(inputInfo.pointer, &localX, &localY);
if ((pScreen = miPointerGetScreen(inputInfo.pointer))) {
dmxGlobalX = localX + dmxScreens[pScreen->myNum].rootXOrigin;
dmxGlobalY = localY + dmxScreens[pScreen->myNum].rootYOrigin;
ErrorF("Global is now %d, %d %d, %d\n", dmxGlobalX, dmxGlobalY,
localX, localY);
DMXDBG6(" Moved to dmxGlobalX=%d dmxGlobalY=%d"
" on screen index=%d/%d localX=%d localY=%d\n",
dmxGlobalX, dmxGlobalY,
dmxScreen ? dmxScreen->index : -1, pScreen->myNum,
localX, localY);
}
#endif
}
/* Send updates down to all core input
* drivers */
for (i = 0, dmxInput = &dmxInputs[0]; i < dmxNumInputs; i++, dmxInput++) {
int j;
for (j = 0; j < dmxInput->numDevs; j += dmxInput->devs[j]->binding)
if (!dmxInput->detached
&& dmxInput->devs[j]->sendsCore
&& dmxInput->devs[j]->update_position)
dmxInput->devs[j]->update_position(dmxInput->devs[j]->private,
dmxGlobalX, dmxGlobalY);
}
if (!dmxScreen)
ProcessInputEvents();
}
#define DMX_MAX_AXES 32 /* Max axes reported by this routine */
static void
dmxExtMotion(DMXLocalInputInfoPtr dmxLocal,
int *v, int firstAxis, int axesCount,
DMXMotionType type, DMXBlockType block)
{
DeviceIntPtr pDevice = dmxLocal->pDevice;
xEvent xE[2 * DMX_MAX_AXES / 6];
deviceKeyButtonPointer *xev = (deviceKeyButtonPointer *) xE;
deviceValuator *xv = (deviceValuator *) xev + 1;
int thisX = 0;
int thisY = 0;
int count;
ValuatorMask mask;
memset(xE, 0, sizeof(xE));
if (axesCount > DMX_MAX_AXES)
axesCount = DMX_MAX_AXES;
if ((valuator_get_mode(pDevice, 0) == Relative) && axesCount == 2) {
/* The dmx console is a relative mode
* device that sometimes reports
* absolute motion. It only has two
* axes. */
if (type == DMX_RELATIVE) {
thisX = -v[0];
thisY = -v[1];
dmxLocal->lastX += thisX;
dmxLocal->lastY += thisY;
if (dmxLocal->update_position)
dmxLocal->update_position(dmxLocal->private,
dmxLocal->lastX, dmxLocal->lastY);
}
else { /* Convert to relative */
if (dmxLocal->lastX || dmxLocal->lastY) {
thisX = v[0] - dmxLocal->lastX;
thisY = v[1] - dmxLocal->lastY;
}
dmxLocal->lastX = v[0];
dmxLocal->lastY = v[1];
}
v[0] = thisX;
v[1] = thisY;
}
if (axesCount <= 6) {
/* Optimize for the common case when
* only 1 or 2 axes change. */
xev->time = GetTimeInMillis();
xev->type = DeviceMotionNotify;
xev->detail = 0;
xev->deviceid = pDevice->id | MORE_EVENTS;
xv->type = DeviceValuator;
xv->deviceid = pDevice->id;
xv->num_valuators = axesCount;
xv->first_valuator = firstAxis;
switch (xv->num_valuators) {
case 6:
xv->valuator5 = v[5];
case 5:
xv->valuator4 = v[4];
case 4:
xv->valuator3 = v[3];
case 3:
xv->valuator2 = v[2];
case 2:
xv->valuator1 = v[1];
case 1:
xv->valuator0 = v[0];
}
count = 2;
}
else {
int i;
for (i = 0, count = 0; i < axesCount; i += 6) {
xev->time = GetTimeInMillis();
xev->type = DeviceMotionNotify;
xev->detail = 0;
xev->deviceid = pDevice->id | MORE_EVENTS;
xev += 2;
xv->type = DeviceValuator;
xv->deviceid = pDevice->id;
xv->num_valuators = (i + 6 >= axesCount ? axesCount - i : 6);
xv->first_valuator = firstAxis + i;
switch (xv->num_valuators) {
case 6:
xv->valuator5 = v[i + 5];
case 5:
xv->valuator4 = v[i + 4];
case 4:
xv->valuator3 = v[i + 3];
case 3:
xv->valuator2 = v[i + 2];
case 2:
xv->valuator1 = v[i + 1];
case 1:
xv->valuator0 = v[i + 0];
}
xv += 2;
count += 2;
}
}
if (block)
input_lock();
valuator_mask_set_range(&mask, firstAxis, axesCount, v);
QueuePointerEvents(pDevice, MotionNotify, 0, POINTER_ABSOLUTE, &mask);
if (block)
input_unlock();
}
static int
dmxTranslateAndEnqueueExtEvent(DMXLocalInputInfoPtr dmxLocal,
XEvent * e, DMXBlockType block)
{
int type;
int event = -1;
XDeviceKeyEvent *ke = (XDeviceKeyEvent *) e;
XDeviceMotionEvent *me = (XDeviceMotionEvent *) e;
DeviceIntPtr pDevice = dmxLocal->pDevice;
int valuators[MAX_VALUATORS];
ValuatorMask mask;
if (!e)
return -1; /* No extended event passed, cannot handle */
if ((XID) dmxLocal->deviceId != ke->deviceid) {
/* Search for the correct dmxLocal,
* since backend and console events are
* picked up for the first device on
* that X server. */
int i;
DMXInputInfo *dmxInput = &dmxInputs[dmxLocal->inputIdx];
for (i = 0; i < dmxInput->numDevs; i++) {
dmxLocal = dmxInput->devs[i];
if ((XID) dmxLocal->deviceId == ke->deviceid)
break;
}
}
if ((XID) dmxLocal->deviceId != ke->deviceid
|| (type = dmxMapLookup(dmxLocal, e->type)) < 0)
return -1; /* No mapping, so this event is unhandled */
switch (type) {
case XI_DeviceValuator:
event = DeviceValuator;
break;
case XI_DeviceKeyPress:
event = KeyPress;
break;
case XI_DeviceKeyRelease:
event = KeyRelease;
break;
case XI_DeviceButtonPress:
event = ButtonPress;
break;
case XI_DeviceButtonRelease:
event = ButtonRelease;
break;
case XI_DeviceMotionNotify:
event = MotionNotify;
break;
case XI_DeviceFocusIn:
event = DeviceFocusIn;
break;
case XI_DeviceFocusOut:
event = DeviceFocusOut;
break;
case XI_ProximityIn:
event = ProximityIn;
break;
case XI_ProximityOut:
event = ProximityOut;
break;
case XI_DeviceStateNotify:
event = DeviceStateNotify;
break;
case XI_DeviceMappingNotify:
event = DeviceMappingNotify;
break;
case XI_ChangeDeviceNotify:
event = ChangeDeviceNotify;
break;
case XI_DeviceKeystateNotify:
event = DeviceStateNotify;
break;
case XI_DeviceButtonstateNotify:
event = DeviceStateNotify;
break;
}
#define EXTRACT_VALUATORS(ke, valuators) \
valuators[0] = ke->axis_data[0]; \
valuators[1] = ke->axis_data[1]; \
valuators[2] = ke->axis_data[2]; \
valuators[3] = ke->axis_data[3]; \
valuators[4] = ke->axis_data[4]; \
valuators[5] = ke->axis_data[5]; \
switch (type) {
case XI_DeviceKeyPress:
case XI_DeviceKeyRelease:
if (block)
input_lock();
QueueKeyboardEvents(pDevice, event, ke->keycode);
if (block)
input_unlock();
break;
case XI_DeviceButtonPress:
case XI_DeviceButtonRelease:
EXTRACT_VALUATORS(ke, valuators);
valuator_mask_set_range(&mask, ke->first_axis, ke->axes_count,
valuators);
if (block)
input_lock();
QueuePointerEvents(pDevice, event, ke->keycode,
POINTER_ABSOLUTE, &mask);
if (block)
input_unlock();
break;
case XI_ProximityIn:
case XI_ProximityOut:
EXTRACT_VALUATORS(ke, valuators);
valuator_mask_set_range(&mask, ke->first_axis, ke->axes_count,
valuators);
if (block)
input_lock();
QueueProximityEvents(pDevice, event, &mask);
if (block)
input_unlock();
break;
break;
case XI_DeviceMotionNotify:
dmxExtMotion(dmxLocal, me->axis_data, me->first_axis, me->axes_count,
DMX_ABSOLUTE, block);
break;
case XI_DeviceFocusIn:
case XI_DeviceFocusOut:
case XI_DeviceStateNotify:
case XI_DeviceMappingNotify:
case XI_ChangeDeviceNotify:
case XI_DeviceKeystateNotify:
case XI_DeviceButtonstateNotify:
/* These are ignored, since DMX will
* generate its own events of these
* types, as necessary.
* Perhaps ChangeDeviceNotify should
* generate an error, because it is
* unexpected? */
break;
case XI_DeviceValuator:
default:
dmxLog(dmxWarning,
"XInput extension event (remote=%d -> zero-based=%d)"
" not supported yet\n", e->type, type);
return -1;
}
return 0;
}
static int
dmxGetButtonMapping(DMXLocalInputInfoPtr dmxLocal, int button)
{
ButtonClassPtr b = dmxLocal->pDevice->button;
if (button > b->numButtons) { /* This shouldn't happen. */
dmxLog(dmxWarning, "Button %d pressed, but only %d buttons?!?\n",
button, b->numButtons);
return button;
}
return b->map[button];
}
/** Return DMX's notion of the pointer position in the global coordinate
* space. */
void
dmxGetGlobalPosition(int *x, int *y)
{
*x = dmxGlobalX;
*y = dmxGlobalY;
}
/** Invalidate the global position for #dmxCoreMotion. */
void
dmxInvalidateGlobalPosition(void)
{
dmxGlobalInvalid = 1;
}
/** Enqueue a motion event for \a pDev. The \a v vector has length \a
* axesCount, and contains values for each of the axes, starting at \a
* firstAxes.
*
* The \a type of the motion may be \a DMX_RELATIVE, \a DMX_ABSOLUTE, or
* \a DMX_ABSOLUTE_CONFINED (in the latter case, the pointer will not be
* allowed to move outside the global boundaires).
*
* If \a block is set to \a DMX_BLOCK, then the input thread will be
* blocked around calls to \a enqueueMotion(). */
void
dmxMotion(DevicePtr pDev, int *v, int firstAxes, int axesCount,
DMXMotionType type, DMXBlockType block)
{
GETDMXLOCALFROMPDEV;
if (!dmxLocal->sendsCore) {
dmxExtMotion(dmxLocal, v, firstAxes, axesCount, type, block);
return;
}
if (axesCount == 2) {
switch (type) {
case DMX_RELATIVE:
dmxCoreMotion(pDev, dmxGlobalX - v[0], dmxGlobalY - v[1], 0, block);
break;
case DMX_ABSOLUTE:
dmxCoreMotion(pDev, v[0], v[1], 0, block);
break;
case DMX_ABSOLUTE_CONFINED:
dmxCoreMotion(pDev, v[0], v[1], -1, block);
break;
}
}
}
static KeySym
dmxKeyCodeToKeySym(DMXLocalInputInfoPtr dmxLocal, KeyCode keyCode)
{
KeySym keysym = NoSymbol;
int effectiveGroup;
XkbSrvInfoPtr xkbi;
if (!dmxLocal || !dmxLocal->pDevice || !dmxLocal->pDevice->key)
goto out;
xkbi = dmxLocal->pDevice->key->xkbInfo;
effectiveGroup = XkbGetEffectiveGroup(xkbi, &xkbi->state, keyCode);
if (effectiveGroup == -1)
goto out;
keysym = XkbKeySym(xkbi->desc, keyCode, effectiveGroup);
DMXDBG2("dmxKeyCodeToKeySym: Translated keyCode=%d to keySym=0x%04x\n",
keyCode, keysym);
out:
return keysym;
}
static KeyCode
dmxKeySymToKeyCode(DMXLocalInputInfoPtr dmxLocal, KeySym keySym, int tryFirst)
{
/* FIXME: this is quite ineffective, converting to a core map first and
* then extracting the info from there. It'd be better to run the actual
* xkb map */
XkbSrvInfoPtr xkbi = dmxLocal->pDevice->key->xkbInfo;
KeySymsPtr pKeySyms = XkbGetCoreMap(dmxLocal->pDevice);
int i;
/* Optimize for similar maps */
if (XkbKeycodeInRange(xkbi->desc, tryFirst)
&& pKeySyms->map[(tryFirst - xkbi->desc->min_key_code)
* pKeySyms->mapWidth] == keySym)
return tryFirst;
for (i = pKeySyms->minKeyCode; i <= pKeySyms->maxKeyCode; i++) {
if (pKeySyms->map[(i - pKeySyms->minKeyCode)
* pKeySyms->mapWidth] == keySym) {
DMXDBG3("dmxKeySymToKeyCode: Translated keySym=0x%04x to"
" keyCode=%d (reverses to core keySym=0x%04x)\n",
keySym, i, dmxKeyCodeToKeySym(dmxLocalCoreKeyboard, i));
return i;
}
}
return 0;
}
static int
dmxFixup(DevicePtr pDev, int detail, KeySym keySym)
{
GETDMXLOCALFROMPDEV;
int keyCode;
if (!dmxLocal->pDevice->key) {
dmxLog(dmxWarning, "dmxFixup: not a keyboard device (%s)\n",
dmxLocal->pDevice->name);
return NoSymbol;
}
if (!keySym)
keySym = dmxKeyCodeToKeySym(dmxLocal, detail);
if (keySym == NoSymbol)
return detail;
keyCode = dmxKeySymToKeyCode(dmxLocalCoreKeyboard, keySym, detail);
return keyCode ? keyCode : detail;
}
/** Enqueue an event from the \a pDev device with the
* specified \a type and \a detail. If the event is a KeyPress or
* KeyRelease event, then the \a keySym is also specified.
*
* FIXME: make the code do what the comment says, or remove this comment.
* If \a block is set to \a DMX_BLOCK, then the input thread will be
* blocked around calls to dmxeqEnqueue(). */
void
dmxEnqueue(DevicePtr pDev, int type, int detail, KeySym keySym,
XEvent * e, DMXBlockType block)
{
GETDMXINPUTFROMPDEV;
DeviceIntPtr p = dmxLocal->pDevice;
int valuators[3];
ValuatorMask mask;
DMXDBG2("dmxEnqueue: Enqueuing type=%d detail=0x%0x\n", type, detail);
switch (type) {
case KeyPress:
case KeyRelease:
if (!keySym)
keySym = dmxKeyCodeToKeySym(dmxLocal, detail);
if (dmxCheckFunctionKeys(dmxLocal, type, keySym))
return;
if (dmxLocal->sendsCore && dmxLocal != dmxLocalCoreKeyboard)
detail = dmxFixup(pDev, detail, keySym);
/*ErrorF("KEY %d sym %d\n", detail, (int) keySym); */
QueueKeyboardEvents(p, type, detail);
return;
case ButtonPress:
case ButtonRelease:
detail = dmxGetButtonMapping(dmxLocal, detail);
valuator_mask_zero(&mask);
QueuePointerEvents(p, type, detail, 0, &mask);
return;
case MotionNotify:
valuators[0] = e->xmotion.x;
valuators[1] = e->xmotion.y;
valuators[2] = e->xmotion.state; /* FIXME: WTF?? */
valuator_mask_set_range(&mask, 0, 3, valuators);
QueuePointerEvents(p, type, detail,
POINTER_ABSOLUTE | POINTER_SCREEN, &mask);
return;
case EnterNotify:
case LeaveNotify:
case KeymapNotify:
case MappingNotify: /* This is sent because we change the
* modifier map on the backend/console
* input device so that we have complete
* control of the input device LEDs. */
return;
default:
if (type == ProximityIn || type == ProximityOut) {
if (dmxLocal->sendsCore)
return; /* Not a core event */
break;
}
if (type >= LASTEvent) {
if (dmxTranslateAndEnqueueExtEvent(dmxLocal, e, block))
dmxLogInput(dmxInput, "Unhandled extension event: %d\n", type);
}
else {
dmxLogInput(dmxInput, "Unhandled event: %d (%s)\n",
type, dmxEventName(type));
}
return;
}
}
/** A pointer to this routine is passed to low-level input drivers so
* that all special keychecking is unified to this file. This function
* returns 0 if no special keys have been pressed. If the user has
* requested termination of the DMX server, -1 is returned. If the user
* has requested a switch to a VT, then the (1-based) number of that VT
* is returned. */
int
dmxCheckSpecialKeys(DevicePtr pDev, KeySym keySym)
{
GETDMXINPUTFROMPDEV;
int vt = 0;
unsigned short state = 0;
if (dmxLocal->sendsCore)
state =
XkbStateFieldFromRec(&dmxLocalCoreKeyboard->pDevice->key->xkbInfo->
state);
else if (dmxLocal->pDevice->key)
state = XkbStateFieldFromRec(&dmxLocal->pDevice->key->xkbInfo->state);
if (!dmxLocal->sendsCore)
return 0; /* Only for core devices */
DMXDBG2("dmxCheckSpecialKeys: keySym=0x%04x state=0x%04x\n", keySym, state);
if ((state & (ControlMask | Mod1Mask)) != (ControlMask | Mod1Mask))
return 0;
switch (keySym) {
case XK_F1:
case XK_F2:
case XK_F3:
case XK_F4:
case XK_F5:
case XK_F6:
case XK_F7:
case XK_F8:
case XK_F9:
case XK_F10:
vt = keySym - XK_F1 + 1;
break;
case XK_F11:
case XK_F12:
vt = keySym - XK_F11 + 11;
break;
case XK_q: /* To avoid confusion */
case XK_BackSpace:
case XK_Delete:
case XK_KP_Delete:
dmxLog(dmxInfo, "User request for termination\n");
dispatchException |= DE_TERMINATE;
return -1; /* Terminate */
}
if (vt) {
dmxLog(dmxInfo, "Request to switch to VT %d\n", vt);
dmxInput->vt_switch_pending = vt;
return vt;
}
return 0; /* Do nothing */
}