/*
* Copyright 2001-2003 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:
* David H. Dawes <[email protected]>
* Kevin E. Martin <[email protected]>
* Rickard E. (Rik) Faith <[email protected]>
*
*/
/** \file
*
* This file implements the console input devices.
*/
#ifdef HAVE_DMX_CONFIG_H
#include <dmx-config.h>
#endif
#define DMX_CONSOLE_DEBUG 0
#define DMX_WINDOW_DEBUG 0
#include "dmxinputinit.h"
#include "dmxevents.h"
#include "dmxconsole.h"
#include "dmxcommon.h"
#include "dmxscrinit.h"
#include "dmxcb.h"
#include "dmxsync.h"
#include "inputstr.h"
#include "input.h"
#include "mipointer.h"
#include "windowstr.h"
#define CONSOLE_NUM 3
#define CONSOLE_DEN 4
#define DMX_CONSOLE_NAME "DMX Console"
#define DMX_RES_NAME "Xdmx"
#define DMX_RES_CLASS "XDmx"
#define CONSOLE_BG_COLOR "gray75"
#define CONSOLE_FG_COLOR "black"
#define CONSOLE_SCREEN_BG_COLOR "white"
#define CONSOLE_SCREEN_FG_COLOR "black"
#define CONSOLE_SCREEN_DET_COLOR "gray75"
#define CONSOLE_SCREEN_CUR_COLOR "red"
#if DMX_CONSOLE_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
/* Private area for consoles. */
typedef struct _myPrivate {
DMX_COMMON_PRIVATE;
int lastX;
int lastY;
int globalX;
int globalY;
int curX;
int curY;
int width;
int height;
int consWidth;
int consHeight;
double xScale;
double yScale;
XlibGC gc, gcDet, gcRev, gcCur;
int grabbed, fine, captured;
Cursor cursorNormal, cursorGrabbed, cursorEmpty;
Pixmap pixmap;
CloseScreenProcPtr CloseScreen;
struct _myPrivate *next; /* for closing multiple consoles */
int initialized;
DevicePtr mou, kbd;
} myPrivate;
static int scalex(myPrivate *priv, int x)
{
return (int)((x * priv->xScale) + .5);
}
static int scaley(myPrivate *priv, int y)
{
return (int)((y * priv->yScale) + .5);
}
static int unscalex(myPrivate *priv, int x)
{
return (int)((x / priv->xScale) + .5);
}
static int unscaley(myPrivate *priv, int y)
{
return (int)((y / priv->yScale) + .5);
}
/** Create the private area for \a pDevice. */
pointer dmxConsoleCreatePrivate(DeviceIntPtr pDevice)
{
GETDMXLOCALFROMPDEVICE;
myPrivate *priv = xalloc(sizeof(*priv));
memset(priv, 0, sizeof(*priv));
priv->dmxLocal = dmxLocal;
return priv;
}
/** If \a private is non-NULL, free its associated memory. */
void dmxConsoleDestroyPrivate(pointer private)
{
if (private) xfree(private);
}
static void dmxConsoleDrawFineCursor(myPrivate *priv, XRectangle *rect)
{
int size = 6;
int x, y;
XDrawLine(priv->display, priv->pixmap, priv->gcCur,
x = scalex(priv, priv->globalX) - size,
scaley(priv, priv->globalY),
scalex(priv, priv->globalX) + size,
scaley(priv, priv->globalY));
XDrawLine(priv->display, priv->pixmap, priv->gcCur,
scalex(priv, priv->globalX),
y = scaley(priv, priv->globalY) - size,
scalex(priv, priv->globalX),
scaley(priv, priv->globalY) + size);
if (priv->grabbed) {
XDrawLine(priv->display, priv->pixmap, priv->gcCur,
scalex(priv, priv->globalX) - (int)(size / 1.4),
scaley(priv, priv->globalY) - (int)(size / 1.4),
scalex(priv, priv->globalX) + (int)(size / 1.4),
scaley(priv, priv->globalY) + (int)(size / 1.4));
XDrawLine(priv->display, priv->pixmap, priv->gcCur,
scalex(priv, priv->globalX) - (int)(size / 1.4),
scaley(priv, priv->globalY) + (int)(size / 1.4),
scalex(priv, priv->globalX) + (int)(size / 1.4),
scaley(priv, priv->globalY) - (int)(size / 1.4));
}
if (rect) {
rect->x = x;
rect->y = y;
rect->width = 2 * size;
rect->height = 2 * size;
}
}
static void dmxConsoleDrawWindows(pointer private)
{
GETONLYPRIVFROMPRIVATE;
Display *dpy = priv->display;
int i;
Region whole, used, avail;
XRectangle rect;
whole = XCreateRegion();
used = XCreateRegion();
avail = XCreateRegion();
rect.x = 0;
rect.y = 0;
rect.width = priv->consWidth;
rect.height = priv->consHeight;
XUnionRectWithRegion(&rect, whole, whole);
for (i = 0; i < dmxNumScreens; i++) {
WindowPtr pRoot = WindowTable[i];
WindowPtr pChild;
#if DMX_WINDOW_DEBUG
dmxLog(dmxDebug, "%lu %p %p %p 2\n",
pRoot->drawable.id,
pRoot->parent, pRoot->firstChild, pRoot->lastChild);
#endif
for (pChild = pRoot->firstChild; pChild; pChild = pChild->nextSib) {
if (pChild->mapped
&& pChild->realized) {
#if DMX_WINDOW_DEBUG
dmxLog(dmxDebug, " %p %d,%d %dx%d %d %d %d RECTS\n",
pChild,
pChild->drawable.x,
pChild->drawable.y,
pChild->drawable.width,
pChild->drawable.height,
pChild->visibility,
pChild->overrideRedirect,
REGION_NUM_RECTS(&pChild->clipList));
#endif
rect.x = scalex(priv, pChild->drawable.x
+ dixScreenOrigins[i].x);
rect.y = scaley(priv, pChild->drawable.y
+ dixScreenOrigins[i].y);
rect.width = scalex(priv, pChild->drawable.width);
rect.height = scaley(priv, pChild->drawable.height);
XDrawRectangle(dpy, priv->pixmap, priv->gc,
rect.x, rect.y, rect.width, rect.height);
XUnionRectWithRegion(&rect, used, used);
XSubtractRegion(whole, used, avail);
XSetRegion(dpy, priv->gc, avail);
}
}
#ifdef PANORAMIX
if (!noPanoramiXExtension) break; /* Screen 0 valid with Xinerama */
#endif
}
XDestroyRegion(avail);
XDestroyRegion(used);
XDestroyRegion(whole);
XSetClipMask(dpy, priv->gc, None);
}
static void dmxConsoleDraw(myPrivate *priv, int updateCursor, int update)
{
GETDMXINPUTFROMPRIV;
Display *dpy = priv->display;
int i;
XFillRectangle(dpy, priv->pixmap, priv->gc, 0, 0,
priv->consWidth, priv->consHeight);
for (i = 0; i < dmxNumScreens; i++) {
DMXScreenInfo *dmxScreen = &dmxScreens[i];
XFillRectangle(dpy, priv->pixmap,
dmxScreen->beDisplay ? priv->gcRev : priv->gcDet,
scalex(priv, dixScreenOrigins[i].x),
scaley(priv, dixScreenOrigins[i].y),
scalex(priv, screenInfo.screens[i]->width),
scaley(priv, screenInfo.screens[i]->height));
}
for (i = 0; i < dmxNumScreens; i++) {
XDrawRectangle(dpy, priv->pixmap, priv->gc,
scalex(priv, dixScreenOrigins[i].x),
scaley(priv, dixScreenOrigins[i].y),
scalex(priv, screenInfo.screens[i]->width),
scaley(priv, screenInfo.screens[i]->height));
}
if (dmxInput->windows) dmxConsoleDrawWindows(priv);
if (priv->fine && updateCursor) dmxConsoleDrawFineCursor(priv, 0);
if (update) {
XCopyArea(priv->display, priv->pixmap, priv->window, priv->gc,
0, 0, priv->consWidth, priv->consHeight, 0, 0);
XSync(priv->display, False); /* Not a backend display */
}
}
static void dmxConsoleClearCursor(myPrivate *priv, int x, int y,
XRectangle *rect)
{
int cw = 14, ch = 14; /* Clear width and height */
rect->x = scalex(priv, x) - cw/2;
rect->y = scaley(priv, y) - ch/2;
rect->width = cw;
rect->height = ch;
XSetClipRectangles(priv->display, priv->gc, 0, 0, rect, 1, Unsorted);
XSetClipRectangles(priv->display, priv->gcDet, 0, 0, rect, 1, Unsorted);
XSetClipRectangles(priv->display, priv->gcRev, 0, 0, rect, 1, Unsorted);
dmxConsoleDraw(priv, 0, 0);
XSetClipMask(priv->display, priv->gc, None);
XSetClipMask(priv->display, priv->gcDet, None);
XSetClipMask(priv->display, priv->gcRev, None);
}
static void dmxConsoleUpdateFineCursor(myPrivate *priv)
{
int leave = 0;
XRectangle rects[2];
dmxConsoleClearCursor(priv, priv->globalX, priv->globalY, &rects[0]);
if (priv->dmxLocal->sendsCore) {
dmxGetGlobalPosition(&priv->globalX, &priv->globalY);
} else {
priv->globalX = priv->dmxLocal->lastX;
priv->globalY = priv->dmxLocal->lastY;
}
priv->lastX = scalex(priv, priv->width / 2);
priv->lastY = scaley(priv, priv->height / 2);
/* Compute new warp position, which may be
outside the window */
if (priv->globalX < 1 || priv->globalX >= priv->width) {
if (priv->globalX < 1) priv->lastX = 0;
else priv->lastX = scalex(priv, priv->width);
priv->lastY = scaley(priv, priv->globalY);
++leave;
}
if (priv->globalY < 1 || priv->globalY >= priv->height) {
if (priv->globalY < 1) priv->lastY = 0;
else priv->lastY = scaley(priv, priv->height);
priv->lastX = scalex(priv, priv->globalX);
++leave;
}
/* Draw pseudo cursor in window */
dmxConsoleDrawFineCursor(priv, &rects[1]);
XSetClipRectangles(priv->display, priv->gc, 0, 0, rects, 2, Unsorted);
XCopyArea(priv->display, priv->pixmap, priv->window, priv->gc,
0, 0, priv->consWidth, priv->consHeight, 0, 0);
XSetClipMask(priv->display, priv->gc, None);
DMXDBG2("dmxConsoleUpdateFineCursor: WARP %d %d\n",
priv->lastX, priv->lastY);
XWarpPointer(priv->display, priv->window, priv->window,
0, 0, 0, 0, priv->lastX, priv->lastY);
XSync(priv->display, False); /* Not a backend display */
if (leave) {
XEvent X;
while (XCheckMaskEvent(priv->display, PointerMotionMask, &X)) {
if (X.type == MotionNotify) {
if (X.xmotion.x != priv->lastX || X.xmotion.y != priv->lastY) {
DMXDBG4("Ignoring motion to %d %d after leave frm %d %d\n",
X.xmotion.x, X.xmotion.y,
priv->lastX, priv->lastY);
}
} else {
dmxLog(dmxInfo, "Ignoring event (%d): %s ****************\n",
X.type, dmxEventName(X.type));
}
}
}
DMXDBG6("dmxConsoleUpdateFineCursor: Warp %d %d on %d %d [%d %d]\n",
priv->lastX, priv->lastY,
scalex(priv, priv->width),
scaley(priv, priv->height),
priv->globalX, priv->globalY);
}
/** Whenever the window layout (size, position, stacking order) might be
* changed, this routine is called with the \a pWindow that changed and
* the \a type of change. This routine is called in a conservative
* fashion: the actual layout of the windows of the screen might not
* have had any human-visible changes. */
void dmxConsoleUpdateInfo(pointer private, DMXUpdateType type,
WindowPtr pWindow)
{
GETONLYPRIVFROMPRIVATE;
dmxConsoleDraw(priv, 1, 1);
}
static void dmxConsoleMoveAbsolute(myPrivate *priv, int x, int y,
DevicePtr pDev, dmxMotionProcPtr motion,
DMXBlockType block)
{
int tmpX, tmpY, v[2];
tmpX = unscalex(priv, x);
tmpY = unscalex(priv, y);
DMXDBG6("dmxConsoleMoveAbsolute(,%d,%d) %d %d =? %d %d\n",
x, y, tmpX, tmpY, priv->curX, priv->curY);
if (tmpX == priv->curX && tmpY == priv->curY) return;
v[0] = unscalex(priv, x);
v[1] = unscaley(priv, y);
motion(pDev, v, 0, 2, DMX_ABSOLUTE_CONFINED, block);
/* dmxConsoleUpdatePosition gets called here by dmxCoreMotion */
}
static void dmxConsoleMoveRelative(myPrivate *priv, int x, int y,
DevicePtr pDev, dmxMotionProcPtr motion,
DMXBlockType block)
{
int v[2];
/* Ignore the event generated from * warping back to middle */
if (x == priv->lastX && y == priv->lastY) return;
v[0] = priv->lastX - x;
v[1] = priv->lastY - y;
motion(pDev, v, 0, 2, DMX_RELATIVE, block);
/* dmxConsoleUpdatePosition gets called here by dmxCoreMotion */
}
/** This routine gets called from #dmxCoreMotion for each motion. This
* allows the console's notion of the cursor postion to change when
* another input device actually caused the change. */
void dmxConsoleUpdatePosition(pointer private, int x, int y)
{
GETONLYPRIVFROMPRIVATE;
int tmpX, tmpY;
Display *dpy = priv->display;
static unsigned long dmxGeneration = 0;
tmpX = scalex(priv, x);
tmpY = scaley(priv, y);
DMXDBG6("dmxConsoleUpdatePosition(,%d,%d) new=%d,%d dims=%d,%d\n",
x, y, tmpX, tmpY, priv->consWidth, priv->consHeight);
if (priv->fine) dmxConsoleUpdateFineCursor(priv);
if (tmpX != priv->curX || tmpY != priv->curY) {
if (tmpX < 0) tmpX = 0;
if (tmpY < 0) tmpY = 0;
if (tmpX >= priv->consWidth) tmpX = priv->consWidth - 1;
if (tmpY >= priv->consHeight) tmpY = priv->consHeight - 1;
priv->curX = tmpX;
priv->curY = tmpY;
if (!priv->fine) {
DMXDBG2(" WARP B %d %d\n", priv->curX, priv->curY);
XWarpPointer(dpy, priv->window,
priv->window, 0, 0, 0, 0, tmpX, tmpY);
XSync(dpy, False); /* Not a backend display */
}
}
if (dmxGeneration != serverGeneration) {
dmxGeneration = serverGeneration;
dmxConsoleDraw(priv, 1, 1);
}
}
/** Collect all pending events from the console's display. Plase these
* events on the server event queue using the \a motion and \a enqueue
* routines. The \a checkspecial routine is used to check for special
* keys that need handling. \a block tells if signals should be blocked
* when updating the event queue. */
void dmxConsoleCollectEvents(DevicePtr pDev,
dmxMotionProcPtr motion,
dmxEnqueueProcPtr enqueue,
dmxCheckSpecialProcPtr checkspecial,
DMXBlockType block)
{
GETPRIVFROMPDEV;
GETDMXINPUTFROMPRIV;
Display *dpy = priv->display;
Window win = priv->window;
int width = priv->width;
int height = priv->height;
XEvent X, N;
XSetWindowAttributes attribs;
static int rInitialized = 0;
static Region r;
XRectangle rect;
static int raising = 0, raiseX, raiseY; /* FIXME */
while (XPending(dpy)) {
XNextEvent(dpy, &X);
switch(X.type) {
case VisibilityNotify:
break;
case Expose:
DMXDBG5("dmxConsoleCollectEvents: Expose #%d %d %d %d %d\n",
X.xexpose.count,
X.xexpose.x, X.xexpose.y,
X.xexpose.width, X.xexpose.height);
if (!rInitialized++) r = XCreateRegion();
rect.x = X.xexpose.x;
rect.y = X.xexpose.y;
rect.width = X.xexpose.width;
rect.height = X.xexpose.height;
XUnionRectWithRegion(&rect, r, r);
if (X.xexpose.count == 0) {
XSetRegion(dpy, priv->gc, r);
XSetRegion(dpy, priv->gcDet, r);
XSetRegion(dpy, priv->gcRev, r);
dmxConsoleDraw(priv, 1, 1);
XSetClipMask(dpy, priv->gc, None);
XSetClipMask(dpy, priv->gcDet, None);
XSetClipMask(dpy, priv->gcRev, None);
XDestroyRegion(r);
rInitialized = 0;
}
break;
case ResizeRequest:
DMXDBG2("dmxConsoleCollectEvents: Resize %d %d\n",
X.xresizerequest.width, X.xresizerequest.height);
priv->consWidth = X.xresizerequest.width;
priv->consHeight = X.xresizerequest.height;
priv->xScale = (double)priv->consWidth / width;
priv->yScale = (double)priv->consHeight / height;
attribs.override_redirect = True;
XChangeWindowAttributes(dpy, win, CWOverrideRedirect, &attribs);
XResizeWindow(dpy, win, priv->consWidth, priv->consHeight);
XFreePixmap(dpy, priv->pixmap);
priv->pixmap = XCreatePixmap(dpy,
RootWindow(dpy, DefaultScreen(dpy)),
priv->consWidth,
priv->consHeight,
DefaultDepth(dpy,DefaultScreen(dpy)));
dmxConsoleDraw(priv, 1, 1);
attribs.override_redirect = False;
XChangeWindowAttributes(dpy, win, CWOverrideRedirect, &attribs);
break;
case LeaveNotify:
DMXDBG4("dmxConsoleCollectEvents: Leave @ %d,%d; r=%d f=%d\n",
X.xcrossing.x, X.xcrossing.y, raising, priv->fine);
if (!priv->captured) dmxCommonRestoreState(priv);
else {
dmxConsoleUncapture(dmxInput);
dmxCommonRestoreState(priv);
}
break;
case EnterNotify:
DMXDBG6("dmxConsoleCollectEvents: Enter %d,%d r=%d f=%d (%d,%d)\n",
X.xcrossing.x, X.xcrossing.y, raising, priv->fine,
priv->curX, priv->curY);
dmxCommonSaveState(priv);
if (raising) {
raising = 0;
dmxConsoleMoveAbsolute(priv, raiseX, raiseY,
priv->mou, motion, block);
} else {
if (priv->fine) {
/* The raise will generate an event near the center,
* which is not where the cursor should be. So we
* save the real position, do the raise, and move
* the cursor here again after the raise generates
* the event. */
raising = 1;
raiseX = X.xcrossing.x;
raiseY = X.xcrossing.y;
XRaiseWindow(dpy, priv->window);
}
XSync(dpy, False); /* Not a backend display */
if (!X.xcrossing.x && !X.xcrossing.y)
dmxConsoleMoveAbsolute(priv, priv->curX, priv->curY,
priv->mou, motion, block);
}
break;
case MotionNotify:
if (priv->curX == X.xmotion.x && priv->curY == X.xmotion.y)
continue;
if (XPending(dpy)) { /* do motion compression */
XPeekEvent(dpy, &N);
if (N.type == MotionNotify) continue;
}
DMXDBG2("dmxConsoleCollectEvents: Motion %d %d\n",
X.xmotion.x, X.xmotion.y);
if (raising) {
raising = 0;
dmxConsoleMoveAbsolute(priv, raiseX, raiseY,
priv->mou, motion, block);
} else {
if (priv->fine)
dmxConsoleMoveRelative(priv, X.xmotion.x, X.xmotion.y,
priv->mou, motion, block);
else
dmxConsoleMoveAbsolute(priv, X.xmotion.x, X.xmotion.y,
priv->mou, motion, block);
}
break;
case KeyPress:
case KeyRelease:
enqueue(priv->kbd, X.type, X.xkey.keycode, 0, NULL, block);
break;
default:
/* Pass the whole event here, because
* this may be an extension event. */
enqueue(priv->mou, X.type, X.xbutton.button, 0, &X, block);
break;
}
}
}
static void dmxCloseConsole(myPrivate *priv)
{
GETDMXINPUTFROMPRIV;
dmxCommonRestoreState(priv);
if (priv->display) {
XFreeGC(priv->display, priv->gc);
XFreeGC(priv->display, priv->gcDet);
XFreeGC(priv->display, priv->gcRev);
XFreeGC(priv->display, priv->gcCur);
if (!dmxInput->console) XCloseDisplay(priv->display);
}
priv->display = NULL;
}
static Bool dmxCloseConsoleScreen(int idx, ScreenPtr pScreen)
{
myPrivate *priv, *last;
for (last = priv = pScreen->devPrivates[dmxScreenPrivateIndex].ptr;
priv;
priv = priv->next) dmxCloseConsole(last = priv);
DMX_UNWRAP(CloseScreen, last, pScreen);
return pScreen->CloseScreen(idx, pScreen);
}
static Cursor dmxConsoleCreateEmptyCursor(myPrivate *priv)
{
char noCursorData[] = { 0, 0, 0, 0, 0, 0, 0, 0 };
Pixmap pixmap;
Cursor cursor;
XColor color, tmpColor;
Display *dpy = priv->display;
/* Create empty cursor for window */
pixmap = XCreateBitmapFromData(priv->display, priv->window,
noCursorData, 8, 8);
if (!XAllocNamedColor(dpy, DefaultColormap(dpy, DefaultScreen(dpy)),
"black",
&color,
&tmpColor))
dmxLog(dmxFatal, "Cannot allocate color for cursor\n");
cursor = XCreatePixmapCursor(dpy, pixmap, pixmap, &color, &color, 0, 0);
XFreePixmap(dpy, pixmap);
return cursor;
}
static void dmxConsoleComputeWidthHeight(myPrivate *priv,
int *width, int *height,
double *xScale, double *yScale,
int *consWidth, int *consHeight)
{
int screen;
Display *dpy = priv->display;
*width = 0;
*height = 0;
*xScale = 1.0;
*yScale = 1.0;
screen = DefaultScreen(dpy);
*consWidth = DisplayWidth(dpy, screen) * CONSOLE_NUM / CONSOLE_DEN;
*consHeight = DisplayHeight(dpy, screen) * CONSOLE_NUM / CONSOLE_DEN;
if (*consWidth < 1) *consWidth = 1;
if (*consHeight < 1) *consHeight = 1;
#if 1
/* Always keep the console size similar
* to the global bounding box. */
*width = dmxGlobalWidth;
*height = dmxGlobalHeight;
#else
/* Make the console window as big as
* possible by computing the visible
* bounding box. */
for (i = 0; i < dmxNumScreens; i++) {
if (dixScreenOrigins[i].x+screenInfo.screens[i]->width > *width)
*width = dixScreenOrigins[i].x+screenInfo.screens[i]->width;
if (dixScreenOrigins[i].y+screenInfo.screens[i]->height > *height)
*height = dixScreenOrigins[i].y+screenInfo.screens[i]->height;
}
#endif
if ((double)*consWidth / *width < (double)*consHeight / *height)
*xScale = *yScale = (double)*consWidth / *width;
else
*xScale = *yScale = (double)*consHeight / *height;
*consWidth = scalex(priv, *width);
*consHeight = scaley(priv, *height);
if (*consWidth < 1) *consWidth = 1;
if (*consHeight < 1) *consHeight = 1;
}
/** Re-initialized the console device described by \a pDev (after a
* reconfig). */
void dmxConsoleReInit(DevicePtr pDev)
{
GETPRIVFROMPDEV;
Display *dpy;
if (!priv || !priv->initialized) return;
dpy = priv->display;
dmxConsoleComputeWidthHeight(priv,
&priv->width, &priv->height,
&priv->xScale, &priv->yScale,
&priv->consWidth, &priv->consHeight);
XResizeWindow(dpy, priv->window, priv->consWidth, priv->consHeight);
XFreePixmap(dpy, priv->pixmap);
priv->pixmap = XCreatePixmap(dpy,
RootWindow(dpy, DefaultScreen(dpy)),
priv->consWidth,
priv->consHeight,
DefaultDepth(dpy,DefaultScreen(dpy)));
dmxConsoleDraw(priv, 1, 1);
}
/** Initialized the console device described by \a pDev. */
void dmxConsoleInit(DevicePtr pDev)
{
GETPRIVFROMPDEV;
DMXInputInfo *dmxInput = &dmxInputs[dmxLocal->inputIdx];
int screen;
unsigned long mask;
XSetWindowAttributes attribs;
Display *dpy;
Window win;
XGCValues gcvals;
XColor color;
XClassHint class_hints;
unsigned long tmp;
if (dmxLocal->type == DMX_LOCAL_MOUSE) priv->mou = pDev;
if (dmxLocal->type == DMX_LOCAL_KEYBOARD) priv->kbd = pDev;
if (priv->initialized++) return; /* Only do once for mouse/keyboard pair */
if (!(dpy = priv->display = XOpenDisplay(dmxInput->name)))
dmxLog(dmxFatal,
"dmxOpenConsole: cannot open console display %s\n",
dmxInput->name);
/* Set up defaults */
dmxConsoleComputeWidthHeight(priv,
&priv->width, &priv->height,
&priv->xScale, &priv->yScale,
&priv->consWidth, &priv->consHeight);
/* Private initialization using computed values or constants. */
screen = DefaultScreen(dpy);
priv->initPointerX = scalex(priv, priv->width / 2);
priv->initPointerY = scaley(priv, priv->height / 2);
priv->eventMask = (ButtonPressMask
| ButtonReleaseMask
| PointerMotionMask
| EnterWindowMask
| LeaveWindowMask
| KeyPressMask
| KeyReleaseMask
| ExposureMask
| ResizeRedirectMask);
mask = CWBackPixel | CWEventMask | CWColormap | CWOverrideRedirect;
attribs.colormap = DefaultColormap(dpy, screen);
if (XParseColor(dpy, attribs.colormap, CONSOLE_BG_COLOR, &color)
&& XAllocColor(dpy, attribs.colormap, &color)) {
attribs.background_pixel = color.pixel;
} else
attribs.background_pixel = WhitePixel(dpy, screen);
attribs.event_mask = priv->eventMask;
attribs.override_redirect = False;
win = priv->window = XCreateWindow(dpy,
RootWindow(dpy, screen),
0, 0, priv->consWidth, priv->consHeight,
0,
DefaultDepth(dpy, screen),
InputOutput,
DefaultVisual(dpy, screen),
mask, &attribs);
priv->pixmap = XCreatePixmap(dpy, RootWindow(dpy, screen),
priv->consWidth, priv->consHeight,
DefaultDepth(dpy, screen));
/* Set up properties */
XStoreName(dpy, win, DMX_CONSOLE_NAME);
class_hints.res_name = DMX_RES_NAME;
class_hints.res_class = DMX_RES_CLASS;
XSetClassHint(dpy, win, &class_hints);
/* Map the window */
XMapWindow(dpy, win);
/* Create cursors */
priv->cursorNormal = XCreateFontCursor(dpy, XC_circle);
priv->cursorGrabbed = XCreateFontCursor(dpy, XC_spider);
priv->cursorEmpty = dmxConsoleCreateEmptyCursor(priv);
XDefineCursor(dpy, priv->window, priv->cursorNormal);
/* Create GC */
mask = (GCFunction | GCPlaneMask | GCClipMask | GCForeground |
GCBackground | GCLineWidth | GCLineStyle | GCCapStyle |
GCFillStyle | GCGraphicsExposures);
gcvals.function = GXcopy;
gcvals.plane_mask = AllPlanes;
gcvals.clip_mask = None;
if (XParseColor(dpy, attribs.colormap, CONSOLE_SCREEN_FG_COLOR, &color)
&& XAllocColor(dpy, attribs.colormap, &color)) {
gcvals.foreground = color.pixel;
} else
gcvals.foreground = BlackPixel(dpy, screen);
if (XParseColor(dpy, attribs.colormap, CONSOLE_SCREEN_BG_COLOR, &color)
&& XAllocColor(dpy, attribs.colormap, &color)) {
gcvals.background = color.pixel;
} else
gcvals.background = WhitePixel(dpy, screen);
gcvals.line_width = 0;
gcvals.line_style = LineSolid;
gcvals.cap_style = CapNotLast;
gcvals.fill_style = FillSolid;
gcvals.graphics_exposures = False;
priv->gc = XCreateGC(dpy, win, mask, &gcvals);
tmp = gcvals.foreground;
if (XParseColor(dpy, attribs.colormap, CONSOLE_SCREEN_DET_COLOR, &color)
&& XAllocColor(dpy, attribs.colormap, &color)) {
gcvals.foreground = color.pixel;
} else
gcvals.foreground = BlackPixel(dpy, screen);
priv->gcDet = XCreateGC(dpy, win, mask, &gcvals);
gcvals.foreground = tmp;
tmp = gcvals.background;
gcvals.background = gcvals.foreground;
gcvals.foreground = tmp;
priv->gcRev = XCreateGC(dpy, win, mask, &gcvals);
gcvals.background = gcvals.foreground;
if (XParseColor(dpy, attribs.colormap, CONSOLE_SCREEN_CUR_COLOR, &color)
&& XAllocColor(dpy, attribs.colormap, &color)) {
gcvals.foreground = color.pixel;
} else
gcvals.foreground = BlackPixel(dpy, screen);
priv->gcCur = XCreateGC(dpy, win, mask, &gcvals);
dmxConsoleDraw(priv, 1, 1);
if (screenInfo.screens[0]->devPrivates[dmxScreenPrivateIndex].ptr)
priv->next = (screenInfo.screens[0]
->devPrivates[dmxScreenPrivateIndex].ptr);
else
DMX_WRAP(CloseScreen, dmxCloseConsoleScreen,
priv, screenInfo.screens[0]);
screenInfo.screens[0]->devPrivates[dmxScreenPrivateIndex].ptr = priv;
}
/** Fill in the \a info structure for the specified \a pDev. Only used
* for pointers. */
void dmxConsoleMouGetInfo(DevicePtr pDev, DMXLocalInitInfoPtr info)
{
GETPRIVFROMPDEV;
info->buttonClass = 1;
dmxCommonMouGetMap(pDev, info->map, &info->numButtons);
info->valuatorClass = 1;
info->numRelAxes = 2;
info->minval[0] = 0;
info->minval[1] = 0;
/* max possible console window size: */
info->maxval[0] = DisplayWidth(priv->display, DefaultScreen(priv->display));
info->maxval[1] = DisplayHeight(priv->display, DefaultScreen(priv->display));
info->res[0] = 1;
info->minres[0] = 0;
info->maxres[0] = 1;
info->ptrFeedbackClass = 1;
}
/** Fill in the \a info structure for the specified \a pDev. Only used
* for keyboard. */
void dmxConsoleKbdGetInfo(DevicePtr pDev, DMXLocalInitInfoPtr info)
{
dmxCommonKbdGetInfo(pDev, info);
info->keyboard = 1;
info->keyClass = 1;
dmxCommonKbdGetMap(pDev, &info->keySyms, info->modMap);
info->freemap = 1;
info->focusClass = 1;
info->kbdFeedbackClass = 1;
}
/** Handle special console-only keys. */
int dmxConsoleFunctions(pointer private, DMXFunctionType function)
{
GETONLYPRIVFROMPRIVATE;
XRectangle rect;
Display *dpy = priv->display;
switch (function) {
case DMX_FUNCTION_FINE:
if (priv->fine) {
priv->fine = 0;
dmxConsoleClearCursor(priv, priv->globalX, priv->globalY, &rect);
XSetClipRectangles(dpy, priv->gc, 0, 0, &rect, 1, Unsorted);
XCopyArea(dpy, priv->pixmap, priv->window, priv->gc,
0, 0, priv->consWidth, priv->consHeight, 0, 0);
XSetClipMask(dpy, priv->gc, None);
XDefineCursor(dpy, priv->window,
priv->grabbed
? priv->cursorGrabbed
: priv->cursorNormal);
XWarpPointer(dpy, priv->window, priv->window,
0, 0, 0, 0,
scalex(priv, priv->globalX),
scaley(priv, priv->globalY));
XSync(dpy, False); /* Not a backend display */
} else {
priv->fine = 1;
XRaiseWindow(dpy, priv->window);
XDefineCursor(dpy, priv->window, priv->cursorEmpty);
dmxConsoleUpdateFineCursor(priv);
}
return 1;
case DMX_FUNCTION_GRAB:
if (priv->grabbed) {
XUngrabKeyboard(dpy, CurrentTime);
XUngrabPointer(dpy, CurrentTime);
XDefineCursor(dpy, priv->window,
priv->fine
? priv->cursorEmpty
: priv->cursorNormal);
} else {
if (XGrabPointer(dpy, priv->window, True,
0, GrabModeAsync, GrabModeAsync, priv->window,
None, CurrentTime)) {
dmxLog(dmxError, "XGrabPointer failed\n");
return 0;
}
if (XGrabKeyboard(dpy, priv->window, True,
GrabModeAsync, GrabModeAsync, CurrentTime)) {
dmxLog(dmxError, "XGrabKeyboard failed\n");
XUngrabPointer(dpy, CurrentTime);
return 0;
}
XDefineCursor(dpy, priv->window,
priv->fine
? priv->cursorEmpty
: priv->cursorGrabbed);
}
priv->grabbed = !priv->grabbed;
if (priv->fine) dmxConsoleUpdateFineCursor(priv);
return 1;
case DMX_FUNCTION_TERMINATE:
return 1;
default:
return 0;
}
}
static void dmxDump(void)
{
int i, j;
DMXInputInfo *dmxInput;
XEvent X;
for (i = 0, dmxInput = &dmxInputs[0]; i < dmxNumInputs; i++, dmxInput++) {
for (j = 0; j < dmxInput->numDevs; j++) {
DMXLocalInputInfoPtr dmxLocal = dmxInput->devs[j];
myPrivate *priv = dmxLocal->private;
while (priv
&& priv->display
&& XCheckTypedEvent(priv->display, MotionNotify, &X)) {
DMXDBG4("dmxDump: %s/%d threw event away %d %s\n",
dmxInput->name, j, X.type, dmxEventName(X.type));
}
}
}
}
/** This routine is used to warp the pointer into the console window
* from anywhere on the screen. It is used when backend and console
* input are both being taken from the same X display. */
void dmxConsoleCapture(DMXInputInfo *dmxInput)
{
int i;
XEvent X;
DMXDBG0("dmxConsoleCapture\n");
dmxSync(NULL, TRUE);
for (i = 0; i < dmxInput->numDevs; i++) {
DMXLocalInputInfoPtr dmxLocal = dmxInput->devs[i];
myPrivate *priv = dmxLocal->private;
if (dmxLocal->extType != DMX_LOCAL_TYPE_CONSOLE) continue;
if (dmxLocal->type != DMX_LOCAL_MOUSE) continue;
if (priv->captured) continue;
priv->captured = 2; /* Ungrab only after proximal events. */
XRaiseWindow(priv->display, priv->window);
XSync(priv->display, False); /* Not a backend display */
while (XCheckTypedEvent(priv->display, MotionNotify, &X)) {
DMXDBG3(" Ignoring motion to %d %d after capture on %s\n",
X.xmotion.x, X.xmotion.y, dmxInput->name);
}
XWarpPointer(priv->display, None,
priv->window, 0, 0, 0, 0, priv->curX, priv->curY);
XSync(priv->display, False); /* Not a backend display */
dmxDump();
if (priv->fine) dmxConsoleUpdateFineCursor(priv);
}
}
/** Undo the capture that was done by #dmxConsoleCapture. */
void dmxConsoleUncapture(DMXInputInfo *dmxInput)
{
int i;
DMXDBG0("dmxConsoleUncapture\n");
dmxSync(NULL, TRUE);
for (i = 0; i < dmxInput->numDevs; i++) {
DMXLocalInputInfoPtr dmxLocal = dmxInput->devs[i];
myPrivate *priv = dmxLocal->private;
if (dmxLocal->extType != DMX_LOCAL_TYPE_CONSOLE) continue;
if (dmxLocal->type != DMX_LOCAL_MOUSE) continue;
if (!priv->captured) continue;
priv->captured = 0;
XSync(priv->display, False); /* Not a backend display */
}
}
|
