/* Generates a region containing free space (here the
* active window counts as free space). The region argument
* is the start-region (ie: the output dev).
*/
static Region
smartputEmptyRegion (CompWindow *window,
Region region)
{
CompScreen *s = window->screen;
CompWindow *w;
Region newRegion, tmpRegion;
XRectangle tmpRect;
newRegion = XCreateRegion ();
if (!newRegion)
return NULL;
tmpRegion = XCreateRegion ();
if (!tmpRegion)
{
XDestroyRegion (newRegion);
return NULL;
}
XUnionRegion (region, newRegion, newRegion);
for (w = s->windows; w; w = w->next)
{
EMPTY_REGION (tmpRegion);
if (w->id == window->id)
continue;
if (w->invisible || w->hidden || w->minimized)
continue;
if (w->wmType & CompWindowTypeDesktopMask)
continue;
if (w->wmType & CompWindowTypeDockMask)
{
if (w->struts)
{
XUnionRectWithRegion (&w->struts->left, tmpRegion, tmpRegion);
XUnionRectWithRegion (&w->struts->right, tmpRegion, tmpRegion);
XUnionRectWithRegion (&w->struts->top, tmpRegion, tmpRegion);
XUnionRectWithRegion (&w->struts->bottom, tmpRegion, tmpRegion);
XSubtractRegion (newRegion, tmpRegion, newRegion);
}
continue;
}
tmpRect.x = w->serverX - w->input.left;
tmpRect.y = w->serverY - w->input.top;
tmpRect.width = w->serverWidth + w->input.right + w->input.left;
tmpRect.height = w->serverHeight + w->input.top +
w->input.bottom;
XUnionRectWithRegion (&tmpRect, tmpRegion, tmpRegion);
XSubtractRegion (newRegion, tmpRegion, newRegion);
}
XDestroyRegion (tmpRegion);
return newRegion;
}
static void
minSetShade (CompWindow *w,
int shade)
{
REGION rect;
int h = w->attrib.height + w->attrib.border_width * 2;
MIN_WINDOW (w);
EMPTY_REGION (w->region);
rect.rects = &rect.extents;
rect.numRects = rect.size = 1;
w->height = shade;
rect.extents.x1 = 0;
rect.extents.y1 = h - shade;
rect.extents.x2 = w->width;
rect.extents.y2 = h;
XIntersectRegion (mw->region, &rect, w->region);
XOffsetRegion (w->region, w->attrib.x, w->attrib.y - (h - shade));
w->matrix = w->texture->matrix;
w->matrix.x0 -= (w->attrib.x * w->matrix.xx);
w->matrix.y0 -= ((w->attrib.y - (h - shade)) * w->matrix.yy);
(*w->screen->windowResizeNotify) (w, 0, 0, 0, 0);
}
/*
* REGION_FrameRgn
* Create a region that is a frame around another region.
* Expand all rectangles by +/- x and y, then subtract original region.
*/
BOOL
REGION_FrameRgn( HRGN hDest, HRGN hSrc, INT x, INT y )
{
BOOL bRet;
MWRGNOBJ *srcObj = (MWRGNOBJ*) GDI_GetObjPtr( hSrc, OBJ_REGION );
if (srcObj->rgn->numRects != 0)
{
MWRGNOBJ* destObj = (MWRGNOBJ*) GDI_GetObjPtr( hDest, OBJ_REGION );
RECT *pRect, *pEndRect;
RECT tempRect;
EMPTY_REGION( destObj->rgn );
pEndRect = srcObj->rgn->rects + srcObj->rgn->numRects;
for(pRect = srcObj->rgn->rects; pRect < pEndRect; pRect++)
{
tempRect.left = pRect->left - x;
tempRect.top = pRect->top - y;
tempRect.right = pRect->right + x;
tempRect.bottom = pRect->bottom + y;
GdUnionRectWithRegion( &tempRect, destObj->rgn );
}
GdSubtractRegion( destObj->rgn, destObj->rgn, srcObj->rgn );
bRet = TRUE;
}
else
bRet = FALSE;
return bRet;
}
void reg_SetRectRegion(RegionBase *RegionBase, ClipRegion *rgn, INT32 left, INT32 top, INT32 right, INT32 bottom)
{
if (left != right && top != bottom) {
rgn->rects->left = rgn->extents.left = left;
rgn->rects->top = rgn->extents.top = top;
rgn->rects->right = rgn->extents.right = right;
rgn->rects->bottom = rgn->extents.bottom = bottom;
rgn->numRects = 1;
rgn->type = REGION_SIMPLE;
} else
EMPTY_REGION(rgn);
}
void
eventLoop (void)
{
XEvent event;
struct pollfd ufd;
int timeDiff;
struct timeval tv;
Region tmpRegion;
CompDisplay *display = compDisplays;
CompScreen *s = display->screens;
int timeToNextRedraw = 0;
CompWindow *move = 0;
int px = 0, py = 0;
CompTimeout *t;
tmpRegion = XCreateRegion ();
if (!tmpRegion)
{
fprintf (stderr, "%s: Couldn't create region\n", programName);
return;
}
ufd.fd = ConnectionNumber (display->display);
ufd.events = POLLIN;
for (;;)
{
if (display->dirtyPluginList)
updatePlugins (display);
if (restartSignal)
{
execvp (programName, programArgv);
exit (1);
}
while (XPending (display->display))
{
XNextEvent (display->display, &event);
/* translate root window */
if (testMode)
{
Window root, child;
switch (event.type) {
case ButtonPress:
if (!move)
{
px = event.xbutton.x;
py = event.xbutton.y;
move = findWindowAt (display, event.xbutton.window,
px, py);
if (move)
{
XRaiseWindow (display->display, move->id);
continue;
}
}
case ButtonRelease:
move = 0;
root = translateToRootWindow (display,
event.xbutton.window);
XTranslateCoordinates (display->display,
event.xbutton.root, root,
event.xbutton.x_root,
event.xbutton.y_root,
&event.xbutton.x_root,
&event.xbutton.y_root,
&child);
event.xbutton.root = root;
break;
case KeyPress:
case KeyRelease:
root = translateToRootWindow (display, event.xkey.window);
XTranslateCoordinates (display->display,
event.xkey.root, root,
event.xkey.x_root,
event.xkey.y_root,
&event.xkey.x_root,
&event.xkey.y_root,
&child);
event.xkey.root = root;
break;
case MotionNotify:
if (move)
{
XMoveWindow (display->display, move->id,
move->attrib.x + event.xbutton.x - px,
move->attrib.y + event.xbutton.y - py);
px = event.xbutton.x;
py = event.xbutton.y;
continue;
}
root = translateToRootWindow (display,
event.xmotion.window);
XTranslateCoordinates (display->display,
event.xmotion.root, root,
event.xmotion.x_root,
event.xmotion.y_root,
&event.xmotion.x_root,
&event.xmotion.y_root,
&child);
event.xmotion.root = root;
default:
break;
}
}
/* add virtual modifiers */
switch (event.type) {
case ButtonPress:
event.xbutton.state |= CompPressMask;
event.xbutton.state =
realToVirtualModMask (display, event.xbutton.state);
break;
case ButtonRelease:
event.xbutton.state |= CompReleaseMask;
event.xbutton.state =
realToVirtualModMask (display, event.xbutton.state);
break;
case KeyPress:
event.xkey.state |= CompPressMask;
event.xkey.state = realToVirtualModMask (display,
event.xkey.state);
break;
case KeyRelease:
event.xkey.state |= CompReleaseMask;
event.xkey.state = realToVirtualModMask (display,
event.xkey.state);
break;
case MotionNotify:
event.xmotion.state =
realToVirtualModMask (display, event.xmotion.state);
break;
default:
break;
}
(*display->handleEvent) (display, &event);
}
if (s->allDamaged || REGION_NOT_EMPTY (s->damage))
{
if (timeToNextRedraw == 0)
{
/* wait for X drawing requests to finish
glXWaitX (); */
gettimeofday (&tv, 0);
timeDiff = TIMEVALDIFF (&tv, &s->lastRedraw);
(*s->preparePaintScreen) (s, timeDiff);
if (s->allDamaged)
{
EMPTY_REGION (s->damage);
s->allDamaged = 0;
(*s->paintScreen) (s,
&defaultScreenPaintAttrib,
&defaultWindowPaintAttrib,
&s->region,
PAINT_SCREEN_REGION_MASK |
PAINT_SCREEN_FULL_MASK);
glXSwapBuffers (s->display->display, s->root);
}
else
{
XIntersectRegion (s->damage, &s->region, tmpRegion);
EMPTY_REGION (s->damage);
if ((*s->paintScreen) (s,
&defaultScreenPaintAttrib,
&defaultWindowPaintAttrib,
tmpRegion,
PAINT_SCREEN_REGION_MASK))
{
BoxPtr pBox;
int nBox, y;
glEnable (GL_SCISSOR_TEST);
glDrawBuffer (GL_FRONT);
pBox = tmpRegion->rects;
nBox = tmpRegion->numRects;
while (nBox--)
{
y = s->height - pBox->y2;
glBitmap (0, 0, 0, 0,
pBox->x1 - s->rasterX, y - s->rasterY,
NULL);
s->rasterX = pBox->x1;
s->rasterY = y;
glScissor (pBox->x1, y,
pBox->x2 - pBox->x1,
pBox->y2 - pBox->y1);
glCopyPixels (pBox->x1, y,
pBox->x2 - pBox->x1,
pBox->y2 - pBox->y1,
GL_COLOR);
pBox++;
}
glDrawBuffer (GL_BACK);
glDisable (GL_SCISSOR_TEST);
glFlush ();
}
else
{
(*s->paintScreen) (s,
&defaultScreenPaintAttrib,
&defaultWindowPaintAttrib,
&s->region,
PAINT_SCREEN_FULL_MASK);
glXSwapBuffers (s->display->display, s->root);
}
}
s->lastRedraw = tv;
(*s->donePaintScreen) (s);
/* remove destroyed windows */
while (s->pendingDestroys)
{
CompWindow *w;
for (w = s->windows; w; w = w->next)
{
if (w->destroyed)
{
addWindowDamage (w);
removeWindow (w);
break;
}
}
s->pendingDestroys--;
}
}
timeToNextRedraw = getTimeToNextRedraw (s, &s->lastRedraw);
if (timeToNextRedraw)
timeToNextRedraw = poll (&ufd, 1, timeToNextRedraw);
}
else
{
if (timeouts)
{
if (timeouts->left > 0)
poll (&ufd, 1, timeouts->left);
gettimeofday (&tv, 0);
timeDiff = TIMEVALDIFF (&tv, &lastTimeout);
for (t = timeouts; t; t = t->next)
t->left -= timeDiff;
while (timeouts && timeouts->left <= 0)
{
t = timeouts;
if ((*t->callBack) (t->closure))
{
timeouts = t->next;
addTimeout (t);
}
else
{
timeouts = t->next;
free (t);
}
}
s->lastRedraw = lastTimeout = tv;
}
else
{
poll (&ufd, 1, 1000);
gettimeofday (&s->lastRedraw, 0);
}
/* just redraw immediately */
timeToNextRedraw = 0;
}
}
}
