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/*
* Copyright (C) 2004-2005 Kim Woelders
*
* 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 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 shall be included in
* all copies of the Software, its documentation and marketing & publicity
* materials, and acknowledgment shall be given in the documentation, materials
* and software packages that this Software was used.
*
* 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 AUTHORS 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.
*/
/*
* This code was originally derived from xcompmgr.c, see original copyright
* notice at end.
* It has been mostly rewritten since, only the shadow code is more or less
* intact.
*/
#include "E.h"
#if USE_COMPOSITE
#include "desktops.h"
#include "ecompmgr.h"
#include "emodule.h"
#include "eobj.h"
#include "xwin.h"
#include <stdlib.h>
#include <stdio.h>
#include <string.h>
#include <math.h>
#include <unistd.h>
#include <X11/Xlib.h>
#include <X11/Xutil.h>
#include <X11/Xatom.h>
#include <X11/extensions/Xcomposite.h>
#include <X11/extensions/Xdamage.h>
#include <X11/extensions/Xrender.h>
#define ENABLE_SHADOWS 1
#define ENABLE_DEBUG 1
#if ENABLE_DEBUG
#define EDBUG_TYPE_COMPMGR 161
#define EDBUG_TYPE_COMPMGR2 162
#define EDBUG_TYPE_COMPMGR3 163
#define EDBUG_TYPE_COMPMGR4 164
#define D1printf(fmt...) if(EventDebug(EDBUG_TYPE_COMPMGR))Eprintf(fmt)
#define D2printf(fmt...) if(EventDebug(EDBUG_TYPE_COMPMGR2))Eprintf(fmt)
#define D3printf(fmt...) if(EventDebug(EDBUG_TYPE_COMPMGR3))Eprintf(fmt)
#define D4printf(fmt...) if(EventDebug(EDBUG_TYPE_COMPMGR4))Eprintf(fmt)
#else
#define D1printf(fmt...)
#define D2printf(fmt...)
#endif /* ENABLE_DEBUG */
#define DEBUG_OPACITY 0
#define INV_POS 0x01
#define INV_SIZE 0x02
#define INV_OPACITY 0x04
#define INV_SHADOW 0x08
#define INV_PIXMAP 0x10
#define INV_PICTURE 0x20
#define INV_GEOM (INV_POS | INV_SIZE)
#define INV_ALL (INV_POS | INV_SIZE | INV_OPACITY | INV_SHADOW | INV_PIXMAP)
typedef struct
{
EObj *next; /* Paint order */
EObj *prev; /* Paint order */
Pixmap pixmap;
struct
{
int depth; /* FIXME - Remove? */
Visual *visual; /* FIXME - Remove? */
int border_width;
} a;
int rcx, rcy, rcw, rch;
int mode;
unsigned damaged:1;
unsigned fading:1;
unsigned fadeout:1;
Damage damage;
Picture picture;
Picture alphaPict;
XserverRegion borderSize;
XserverRegion extents;
XserverRegion clip;
#if ENABLE_SHADOWS
Picture shadowPict;
Picture shadow;
int shadow_dx;
int shadow_dy;
int shadow_width;
int shadow_height;
#endif
unsigned int opacity;
unsigned long damage_sequence; /* sequence when damage was created */
} ECmWinInfo;
/*
* Configuration
*/
#if ENABLE_SHADOWS
#define ECM_SHADOWS_OFF 0
#define ECM_SHADOWS_SHARP 1 /* use window alpha for shadow; sharp, but precise */
#define ECM_SHADOWS_BLURRED 2 /* use window extents for shadow, blurred */
#endif
#define ECM_OR_UNMANAGED 0
#define ECM_OR_ON_MAP 1
#define ECM_OR_ON_MAPUNMAP 2
#define ECM_OR_ON_CREATE 3
static struct
{
char enable;
char resize_fix_enable;
char use_name_pixmap;
int mode;
struct
{
int mode;
struct
{
int radius;
int offset_x, offset_y;
} blur;
struct
{
int offset_x, offset_y;
} sharp;
} shadows;
struct
{
char enable;
int dt_us; /* us between updates */
unsigned int step;
} fading;
struct
{
int mode;
int opacity;
} override_redirect;
} Conf_compmgr;
/*
* State
*/
#define ECM_MODE_OFF 0
#define ECM_MODE_ROOT 1
#define ECM_MODE_WINDOW 2
#define ECM_MODE_AUTO 3
static struct
{
char active;
char use_pixmap;
char reorder;
EObj *eo_first;
EObj *eo_last;
XserverRegion rgn_screen;
} Mode_compmgr;
static Picture rootPicture;
static Picture rootBuffer;
static XserverRegion allDamage;
#define OPAQUE 0xffffffff
#define WINDOW_UNREDIR 0
#define WINDOW_SOLID 1
#define WINDOW_TRANS 2
#define WINDOW_ARGB 3
static void ECompMgrWinSetPicts(EObj * eo);
static void ECompMgrDamageAll(void);
static void ECompMgrHandleRootEvent(XEvent * ev, void *prm);
static void ECompMgrHandleWindowEvent(XEvent * ev, void *prm);
static void doECompMgrWinFade(int val, void *data);
/*
* Visuals
*/
int
EVisualIsARGB(Visual * vis)
{
XRenderPictFormat *pictfmt;
if (!Mode_compmgr.active)
return 0;
pictfmt = XRenderFindVisualFormat(disp, vis);
if (!pictfmt)
return 0;
#if 0
Eprintf("Visual ID=%#lx Type=%d, alphamask=%d\n", vis->visualid,
pictfmt->type, pictfmt->direct.alphaMask);
#endif
return pictfmt->type == PictTypeDirect && pictfmt->direct.alphaMask;
}
/*
* Regions
*/
static XserverRegion
ERegionCreate(int x, int y, int w, int h)
{
XserverRegion rgn;
XRectangle rct;
rct.x = x;
rct.y = y;
rct.width = w;
rct.height = h;
rgn = XFixesCreateRegion(disp, &rct, 1);
return rgn;
}
static XserverRegion
ERegionClone(XserverRegion src)
{
XserverRegion rgn;
rgn = XFixesCreateRegion(disp, NULL, 0);
XFixesCopyRegion(disp, rgn, src);
return rgn;
}
static void
ERegionLimit(XserverRegion rgn)
{
XserverRegion screen;
screen = Mode_compmgr.rgn_screen;
if (screen == None)
Mode_compmgr.rgn_screen = screen = ERegionCreate(0, 0, VRoot.w, VRoot.h);
XFixesIntersectRegion(disp, rgn, rgn, screen);
}
static void
ERegionSubtractOffset(XserverRegion dst, int dx, int dy, XserverRegion src)
{
Display *dpy = disp;
XserverRegion reg;
reg = src;
if (dx != 0 || dy != 0)
{
reg = ERegionClone(src);
XFixesTranslateRegion(dpy, reg, dx, dy);
}
XFixesSubtractRegion(dpy, dst, dst, reg);
if (reg != src)
XFixesDestroyRegion(dpy, reg);
}
#if 0 /* Unused (for debug) */
static int
ERegionIsEmpty(XserverRegion rgn)
{
int nr;
XRectangle *pr;
pr = XFixesFetchRegion(disp, rgn, &nr);
if (pr)
XFree(pr);
return nr == 0;
}
#endif
static void
ERegionShow(const char *txt, XserverRegion rgn)
{
int i, nr;
XRectangle *pr;
pr = XFixesFetchRegion(disp, rgn, &nr);
if (!pr || nr <= 0)
{
Eprintf(" - region: %s %#lx is empty\n", txt, rgn);
goto done;
}
Eprintf(" - region: %s %#lx:\n", txt, rgn);
for (i = 0; i < nr; i++)
Eprintf("%4d: %4d+%4d %4dx%4d\n", i, pr[i].x, pr[i].y, pr[i].width,
pr[i].height);
done:
if (pr)
XFree(pr);
}
/*
* Pictures
*/
static Picture
EPictureCreateSolid(Bool argb, double a, double r, double g, double b)
{
Display *dpy = disp;
Pixmap pmap;
Picture pict;
XRenderPictFormat *pictfmt;
XRenderPictureAttributes pa;
XRenderColor c;
pmap = XCreatePixmap(dpy, VRoot.win, 1, 1, argb ? 32 : 8);
pictfmt = XRenderFindStandardFormat(dpy,
argb ? PictStandardARGB32 :
PictStandardA8);
pa.repeat = True;
pict = XRenderCreatePicture(dpy, pmap, pictfmt, CPRepeat, &pa);
c.alpha = a * 0xffff;
c.red = r * 0xffff;
c.green = g * 0xffff;
c.blue = b * 0xffff;
XRenderFillRectangle(dpy, PictOpSrc, pict, &c, 0, 0, 1, 1);
XFreePixmap(dpy, pmap);
return pict;
}
static Picture
EPictureCreateBuffer(Window win, int w, int h, int depth, Visual * vis)
{
Picture pict;
Pixmap pmap;
XRenderPictFormat *pictfmt;
pmap = XCreatePixmap(disp, win, w, h, depth);
pictfmt = XRenderFindVisualFormat(disp, vis);
pict = XRenderCreatePicture(disp, pmap, pictfmt, 0, 0);
XFreePixmap(disp, pmap);
return pict;
}
#if 0
static Picture
EPictureCreate(Window win, int depth, Visual * vis)
{
Picture pict;
XRenderPictFormat *pictfmt;
pictfmt = XRenderFindVisualFormat(disp, vis);
pict = XRenderCreatePicture(disp, win, pictfmt, 0, 0);
return pict;
}
#endif
/* Hack to fix redirected window resize bug(?) */
void
ECompMgrMoveResizeFix(EObj * eo, int x, int y, int w, int h)
{
Picture pict;
int wo, ho;
ECmWinInfo *cw = eo->cmhook;
if (!cw || !Conf_compmgr.resize_fix_enable)
{
EMoveResizeWindow(eo->win, x, y, w, h);
return;
}
wo = ho = 0;
EGetGeometry(eo->win, NULL, NULL, NULL, &wo, &ho, NULL, NULL);
if (wo <= 0 || ho <= 0 || (wo == w && ho == h))
{
EMoveResizeWindow(eo->win, x, y, w, h);
return;
}
/* Resizing - grab old contents */
pict = EPictureCreateBuffer(eo->win, wo, ho, cw->a.depth, cw->a.visual);
XRenderComposite(disp, PictOpSrc, cw->picture, None, pict,
0, 0, 0, 0, 0, 0, wo, ho);
/* Resize (+move) */
EMoveResizeWindow(eo->win, x, y, w, h);
/* Paste old contents back in */
if (w < wo)
w = wo;
if (h < ho)
h = ho;
XRenderComposite(disp, PictOpSrc, pict, None, cw->picture,
0, 0, 0, 0, 0, 0, w, h);
XRenderFreePicture(disp, pict);
}
/*
* Desktops (move to desktops.c?)
*/
static Picture
DeskBackgroundPictureGet(Desk * dsk)
{
ECmWinInfo *cw = dsk->o.cmhook;
Picture pict;
Pixmap pmap;
Bool fill;
XRenderPictFormat *pictfmt;
XRenderPictureAttributes pa;
if (!cw)
{
ECompMgrWinNew(&dsk->o);
cw = dsk->o.cmhook;
if (!cw)
return None;
}
fill = False;
pmap = BackgroundGetPixmap(DeskGetBackground(dsk));
if (pmap == None)
{
if (cw->pixmap && cw->picture)
return cw->picture;
pmap = XCreatePixmap(disp, VRoot.win, 1, 1, VRoot.depth);
fill = True;
}
else if (pmap == cw->pixmap)
{
if (cw->picture != None)
return cw->picture;
}
D1printf
("DeskBackgroundPictureGet: Desk %d: using pixmap %#lx (%#lx %#lx)\n",
dsk->num, pmap, cw->pixmap, cw->picture);
if (cw->picture)
XRenderFreePicture(disp, cw->picture);
pa.repeat = True;
pictfmt = XRenderFindVisualFormat(disp, VRoot.vis);
pict = XRenderCreatePicture(disp, pmap, pictfmt, CPRepeat, &pa);
if (fill)
{
/* FIXME - use desk bg color */
XRenderColor c;
c.red = c.green = c.blue = 0x8080;
c.alpha = 0xffff;
XRenderFillRectangle(disp, PictOpSrc, pict, &c, 0, 0, 1, 1);
XFreePixmap(disp, pmap);
}
#if 0 /* FIXME - Not in window mode? */
/* New background, all must be repainted */
ECompMgrDamageAll();
#endif
cw->pixmap = pmap;
cw->picture = pict;
return pict;
}
static void
DeskBackgroundPictureFree(Desk * dsk)
{
ECmWinInfo *cw = dsk->o.cmhook;
Picture pict;
if (!cw)
return;
pict = cw->picture;
if (pict == None)
return;
D1printf("DeskBackgroundPictureFree: Desk %d: pict=%#lx\n", dsk->num, pict);
XRenderFreePicture(disp, pict);
cw->picture = None;
}
/*
* Root (?)
*/
static void
ECompMgrDamageMerge(XserverRegion damage, int destroy)
{
if (allDamage != None)
{
if (EventDebug(EDBUG_TYPE_COMPMGR3))
ERegionShow("ECompMgrDamageMerge add:", damage);
XFixesUnionRegion(disp, allDamage, allDamage, damage);
if (destroy)
XFixesDestroyRegion(disp, damage);
}
else if (!destroy)
{
allDamage = ERegionClone(damage);
}
else
{
allDamage = damage;
}
if (EventDebug(EDBUG_TYPE_COMPMGR3))
ERegionShow("ECompMgrDamageMerge all:", allDamage);
}
static void
ECompMgrDamageMergeObject(EObj * eo, XserverRegion damage, int destroy)
{
Desk *dsk = eo->desk;
if (dsk->num > 0 && !dsk->viewable && eo->ilayer < 512)
{
if (destroy)
XFixesDestroyRegion(disp, damage);
return;
}
if (dsk->num > 0)
{
if (EoGetX(dsk) != 0 || EoGetY(dsk) != 0)
{
if (!destroy)
damage = ERegionClone(damage);
XFixesTranslateRegion(disp, damage, EoGetX(dsk), EoGetY(dsk));
}
}
ECompMgrDamageMerge(damage, destroy);
}
static void
ECompMgrDamageAll(void)
{
ECompMgrDamageMerge(ERegionCreate(0, 0, VRoot.w, VRoot.h), 1);
}
#if ENABLE_SHADOWS
#define SHADOW_OPACITY 0.75
static Picture blackPicture;
static Picture transBlackPicture;
typedef struct _conv
{
int size;
double *data;
} conv;
static conv *gaussianMap;
static double
gaussian(double r, double x, double y)
{
return ((1 / (sqrt(2 * M_PI * r))) * exp((-(x * x + y * y)) / (2 * r * r)));
}
static conv *
make_gaussian_map(Display * dpy __UNUSED__, double r)
{
conv *c;
int size = ((int)ceil((r * 3)) + 1) & ~1;
int center = size / 2;
int x, y;
double t;
double g;
c = malloc(sizeof(conv) + size * size * sizeof(double));
c->size = size;
c->data = (double *)(c + 1);
t = 0.0;
for (y = 0; y < size; y++)
for (x = 0; x < size; x++)
{
g = gaussian(r, (double)(x - center), (double)(y - center));
t += g;
c->data[y * size + x] = g;
}
/* printf ("gaussian total %f\n", t); */
for (y = 0; y < size; y++)
for (x = 0; x < size; x++)
{
c->data[y * size + x] /= t;
}
return c;
}
/*
* A picture will help
*
* -center 0 width width+center
* -center +-----+-------------------+-----+
* | | | |
* | | | |
* 0 +-----+-------------------+-----+
* | | | |
* | | | |
* | | | |
* height +-----+-------------------+-----+
* | | | |
* height+ | | | |
* center +-----+-------------------+-----+
*/
static unsigned char
sum_gaussian(conv * map, double opacity, int x, int y, int width, int height)
{
int fx, fy;
double *g_data;
double *g_line = map->data;
int g_size = map->size;
int center = g_size / 2;
int fx_start, fx_end;
int fy_start, fy_end;
double v;
/*
* Compute set of filter values which are "in range",
* that's the set with:
* 0 <= x + (fx-center) && x + (fx-center) < width &&
* 0 <= y + (fy-center) && y + (fy-center) < height
*
* 0 <= x + (fx - center) x + fx - center < width
* center - x <= fx fx < width + center - x
*/
fx_start = center - x;
if (fx_start < 0)
fx_start = 0;
fx_end = width + center - x;
if (fx_end > g_size)
fx_end = g_size;
fy_start = center - y;
if (fy_start < 0)
fy_start = 0;
fy_end = height + center - y;
if (fy_end > g_size)
fy_end = g_size;
g_line = g_line + fy_start * g_size + fx_start;
v = 0;
for (fy = fy_start; fy < fy_end; fy++)
{
g_data = g_line;
g_line += g_size;
for (fx = fx_start; fx < fx_end; fx++)
v += *g_data++;
}
if (v > 1)
v = 1;
return ((unsigned char)(v * opacity * 255.0));
}
static XImage *
make_shadow(Display * dpy, double opacity, int width, int height)
{
XImage *ximage;
unsigned char *data;
int gsize = gaussianMap->size;
int ylimit, xlimit;
int swidth = width + gsize;
int sheight = height + gsize;
int center = gsize / 2;
int x, y;
unsigned char d;
int x_diff;
data = calloc(swidth * sheight, sizeof(unsigned char));
if (!data)
return NULL;
ximage = XCreateImage(dpy, DefaultVisual(dpy, DefaultScreen(dpy)),
8, ZPixmap, 0,
(char *)data,
swidth, sheight, 8, swidth * sizeof(unsigned char));
if (!ximage)
{
free(data);
return NULL;
}
/*
* Build the gaussian in sections
*/
#if 1
/* FIXME - Handle properly - shaped/non-shaped/offset */
/*
* center (fill the complete data array)
*/
d = sum_gaussian(gaussianMap, opacity, center, center, width, height);
memset(data, d, sheight * swidth);
#endif
/*
* corners
*/
ylimit = gsize;
if (ylimit > sheight / 2)
ylimit = (sheight + 1) / 2;
xlimit = gsize;
if (xlimit > swidth / 2)
xlimit = (swidth + 1) / 2;
for (y = 0; y < ylimit; y++)
for (x = 0; x < xlimit; x++)
{
d = sum_gaussian(gaussianMap, opacity, x - center, y - center, width,
height);
data[y * swidth + x] = d;
data[(sheight - y - 1) * swidth + x] = d;
data[(sheight - y - 1) * swidth + (swidth - x - 1)] = d;
data[y * swidth + (swidth - x - 1)] = d;
}
/*
* top/bottom
*/
x_diff = swidth - (gsize * 2);
if (x_diff > 0 && ylimit > 0)
{
for (y = 0; y < ylimit; y++)
{
d = sum_gaussian(gaussianMap, opacity, center, y - center, width,
height);
memset(&data[y * swidth + gsize], d, x_diff);
memset(&data[(sheight - y - 1) * swidth + gsize], d, x_diff);
}
}
/*
* sides
*/
for (x = 0; x < xlimit; x++)
{
d = sum_gaussian(gaussianMap, opacity, x - center, center, width,
height);
for (y = gsize; y < sheight - gsize; y++)
{
data[y * swidth + x] = d;
data[y * swidth + (swidth - x - 1)] = d;
}
}
return ximage;
}
static Picture
shadow_picture(Display * dpy, double opacity, int width, int height, int *wp,
int *hp)
{
XImage *shadowImage;
Pixmap shadowPixmap;
Picture shadowPicture;
GC gc;
shadowImage = make_shadow(dpy, opacity, width, height);
if (!shadowImage)
return None;
shadowPixmap = XCreatePixmap(dpy, VRoot.win,
shadowImage->width, shadowImage->height, 8);
shadowPicture = XRenderCreatePicture(dpy, shadowPixmap,
XRenderFindStandardFormat(dpy,
PictStandardA8),
0, 0);
gc = XCreateGC(dpy, shadowPixmap, 0, 0);
XPutImage(dpy, shadowPixmap, gc, shadowImage, 0, 0, 0, 0,
shadowImage->width, shadowImage->height);
*wp = shadowImage->width;
*hp = shadowImage->height;
XFreeGC(dpy, gc);
XDestroyImage(shadowImage);
XFreePixmap(dpy, shadowPixmap);
return shadowPicture;
}
#endif /* ENABLE_SHADOWS */
/*
* Window ops
*/
static XserverRegion
win_extents(Display * dpy, EObj * eo)
{
ECmWinInfo *cw = eo->cmhook;
XRectangle r;
if (Mode_compmgr.use_pixmap)
{
cw->rcx = eo->x;
cw->rcy = eo->y;
cw->rcw = eo->w + cw->a.border_width * 2;
cw->rch = eo->h + cw->a.border_width * 2;
}
else
{
cw->rcx = eo->x + cw->a.border_width;
cw->rcy = eo->y + cw->a.border_width;
cw->rcw = eo->w;
cw->rch = eo->h;
}
r.x = cw->rcx;
r.y = cw->rcy;
r.width = cw->rcw;
r.height = cw->rch;
#if ENABLE_SHADOWS
if (eo->shadow && Conf_compmgr.shadows.mode != ECM_SHADOWS_OFF &&
(Conf_compmgr.shadows.mode == ECM_SHADOWS_SHARP ||
cw->mode != WINDOW_ARGB) &&
(Conf_compmgr.shadows.mode != ECM_SHADOWS_BLURRED || !EobjIsShaped(eo)))
{
XRectangle sr;
if (Conf_compmgr.shadows.mode == ECM_SHADOWS_SHARP)
{
cw->shadow_dx = Conf_compmgr.shadows.sharp.offset_x;
cw->shadow_dy = Conf_compmgr.shadows.sharp.offset_y;
cw->shadow_width = cw->rcw;
cw->shadow_height = cw->rch;
}
else
{
cw->shadow_dx =
Conf_compmgr.shadows.blur.offset_x -
Conf_compmgr.shadows.blur.radius * 5 / 4;
cw->shadow_dy =
Conf_compmgr.shadows.blur.offset_y -
Conf_compmgr.shadows.blur.radius * 5 / 4;
if (!cw->shadow)
{
double opacity = SHADOW_OPACITY;
if (cw->mode == WINDOW_TRANS)
opacity *= ((double)cw->opacity) / OPAQUE;
cw->shadow = shadow_picture(dpy, opacity, cw->rcw, cw->rch,
&cw->shadow_width,
&cw->shadow_height);
}
}
sr.x = cw->rcx + cw->shadow_dx;
sr.y = cw->rcy + cw->shadow_dy;
sr.width = cw->shadow_width;
sr.height = cw->shadow_height;
if (sr.x < r.x)
{
r.width = (r.x + r.width) - sr.x;
r.x = sr.x;
}
if (sr.y < r.y)
{
r.height = (r.y + r.height) - sr.y;
r.y = sr.y;
}
if (sr.x + sr.width > r.x + r.width)
r.width = sr.x + sr.width - r.x;
if (sr.y + sr.height > r.y + r.height)
r.height = sr.y + sr.height - r.y;
}
#endif
D2printf("win_extents %#lx %d %d %d %d\n", eo->win, r.x, r.y, r.width,
r.height);
return XFixesCreateRegion(dpy, &r, 1);
}
static XserverRegion
border_size(EObj * eo)
{
ECmWinInfo *cw = eo->cmhook;
XserverRegion border;
int x, y;
border = XFixesCreateRegionFromWindow(disp, eo->win, WindowRegionBounding);
/* translate this */
x = eo->x + cw->a.border_width;
y = eo->y + cw->a.border_width;
XFixesTranslateRegion(disp, border, x, y);
D2printf("border_size %#lx: %d %d\n", eo->win, x, y);
if (EventDebug(EDBUG_TYPE_COMPMGR3))
ERegionShow("borderSize", border);
return border;
}
Pixmap
ECompMgrWinGetPixmap(const EObj * eo)
{
ECmWinInfo *cw = eo->cmhook;
if (!cw)
return None;
if (cw->pixmap != None)
return cw->pixmap;
cw->pixmap = XCompositeNameWindowPixmap(disp, eo->win);
return cw->pixmap;
}
static void
ECompMgrWinInvalidate(EObj * eo, int what)
{
ECmWinInfo *cw = eo->cmhook;
Display *dpy = disp;
if (!cw)
return;
if ((what & (INV_SIZE | INV_PIXMAP)) && cw->pixmap != None)
{
XFreePixmap(dpy, cw->pixmap);
cw->pixmap = None;
if (Mode_compmgr.use_pixmap)
what |= INV_PICTURE;
}
if ((what & INV_GEOM) && cw->borderSize != None)
{
XFixesDestroyRegion(dpy, cw->borderSize);
cw->borderSize = None;
}
if ((what & INV_PICTURE) && cw->picture != None)
{
XRenderFreePicture(dpy, cw->picture);
cw->picture = None;
}
if ((what & INV_OPACITY) && cw->alphaPict != None)
{
XRenderFreePicture(dpy, cw->alphaPict);
cw->alphaPict = None;
}
#if 0 /* Recalculating clip every repaint for now. */
if ((what & INV_SIZE) && cw->clip != None)
{
XFixesDestroyRegion(dpy, cw->clip);
cw->clip = None;
}
#endif
#if ENABLE_SHADOWS
if ((what & (INV_SIZE | INV_OPACITY | INV_SHADOW)) && cw->shadow != None)
{
XRenderFreePicture(dpy, cw->shadow);
cw->shadow = None;
what |= INV_GEOM;
}
if ((what & (INV_SIZE | INV_OPACITY | INV_SHADOW)) && cw->shadowPict != None)
{
XRenderFreePicture(dpy, cw->shadowPict);
cw->shadowPict = None;
}
#endif
if ((what & (INV_GEOM | INV_SHADOW)) && cw->extents != None)
{
#if 0 /* FIXME - Not necessary? */
ECompMgrDamageMergeObject(eo, cw->extents, 1);
#else
XFixesDestroyRegion(dpy, cw->extents);
#endif
cw->extents = None;
}
}
static void
ECompMgrWinSetOpacity(EObj * eo, unsigned int opacity)
{
ECmWinInfo *cw = eo->cmhook;
int mode;
if (!cw || cw->opacity == opacity)
return;
cw->opacity = opacity;
D1printf("ECompMgrWinSetOpacity: %#lx opacity=%#x\n", eo->win, cw->opacity);
if (eo->shown || cw->fadeout) /* FIXME - ??? */
/* Extents may be unchanged, however, we must repaint */
if (cw->extents != None)
ECompMgrDamageMergeObject(eo, cw->extents, 0);
/* Invalidate stuff changed by opacity */
ECompMgrWinInvalidate(eo, INV_OPACITY);
if (eo->noredir)
mode = WINDOW_UNREDIR;
else if (EVisualIsARGB(cw->a.visual))
mode = WINDOW_ARGB;
else if (cw->opacity != OPAQUE)
mode = WINDOW_TRANS;
else
mode = WINDOW_SOLID;
cw->mode = mode;
}
static void
ECompMgrWinFadeDoIn(EObj * eo, unsigned int op)
{
char s[128];
Esnprintf(s, sizeof(s), "Fade-%#lx", eo->win);
DoIn(s, 1e-6 * Conf_compmgr.fading.dt_us, doECompMgrWinFade, op, eo);
}
static void
doECompMgrWinFade(int val, void *data)
{
EObj *eo = data;
ECmWinInfo *cw;
unsigned int op = (unsigned int)val;
/* May be gone */
if (!EobjListStackFind(eo->win))
return;
cw = eo->cmhook;
cw->fading = 0;
if (op == cw->opacity)
{
op = eo->opacity;
cw->fadeout = 0;
}
else if (op > cw->opacity)
{
if (op - cw->opacity > Conf_compmgr.fading.step)
{
op = cw->opacity + Conf_compmgr.fading.step;
cw->fading = 1;
}
}
else
{
if (cw->opacity - op > Conf_compmgr.fading.step)
{
op = cw->opacity - Conf_compmgr.fading.step;
cw->fading = 1;
}
}
#if DEBUG_OPACITY
Eprintf("doECompMgrWinFade %#lx, %#x\n", eo->win, op);
#endif
if (cw->fading || cw->fadeout)
ECompMgrWinFadeDoIn(eo, (unsigned int)val);
ECompMgrWinSetOpacity(eo, op);
}
static void
ECompMgrWinFade(EObj * eo, unsigned int op_from, unsigned int op_to)
{
ECompMgrWinFadeDoIn(eo, op_to);
ECompMgrWinSetOpacity(eo, op_from);
}
static void
ECompMgrWinFadeIn(EObj * eo)
{
#if DEBUG_OPACITY
Eprintf("ECompMgrWinFadeIn %#lx %#x -> %#x\n", eo->win, 0x10000000,
eo->opacity);
#endif
ECompMgrWinFade(eo, 0x10000000, eo->opacity);
}
static void
ECompMgrWinFadeOut(EObj * eo)
{
ECmWinInfo *cw = eo->cmhook;
#if DEBUG_OPACITY
Eprintf("ECompMgrWinFadeOut %#lx %#x -> %#x\n", eo->win, cw->opacity,
0x10000000);
#endif
cw->fadeout = 1;
ECompMgrWinFade(eo, cw->opacity, 0x10000000);
}
void
ECompMgrWinChangeOpacity(EObj * eo, unsigned int opacity)
{
ECmWinInfo *cw = eo->cmhook;
if (!cw)
return;
if (Conf_compmgr.fading.enable && eo->fade)
ECompMgrWinFade(eo, cw->opacity, opacity);
else
ECompMgrWinSetOpacity(eo, opacity);
}
void
ECompMgrWinMap(EObj * eo)
{
ECmWinInfo *cw = eo->cmhook;
if (!cw)
{
ECompMgrWinNew(eo);
cw = eo->cmhook;
if (!cw)
return;
}
D1printf("ECompMgrWinMap %#lx\n", eo->win);
if (cw->extents == None)
cw->extents = win_extents(disp, eo);
ECompMgrDamageMergeObject(eo, cw->extents, 0);
ECompMgrWinSetPicts(eo);
if (Conf_compmgr.fading.enable && eo->fade)
ECompMgrWinFadeIn(eo);
}
void
ECompMgrWinUnmap(EObj * eo)
{
ECmWinInfo *cw = eo->cmhook;
D1printf("ECompMgrWinUnmap %#lx\n", eo->win);
if (cw->extents != None)
ECompMgrDamageMergeObject(eo, cw->extents, 0);
if (Conf_compmgr.fading.enable && eo->fade)
ECompMgrWinFadeOut(eo);
else
ECompMgrWinInvalidate(eo, INV_PIXMAP);
}
static void
ECompMgrWinSetPicts(EObj * eo)
{
ECmWinInfo *cw = eo->cmhook;
if (eo->type == EOBJ_TYPE_DESK)
{
#if 0 /* FIXME - Get this right */
if (cw->picture == None)
#endif
{
cw->picture = DeskBackgroundPictureGet((Desk *) eo);
cw->damaged = 1; /* FIXME - ??? */
}
return;
}
if (cw->pixmap == None && Mode_compmgr.use_pixmap)
cw->pixmap = XCompositeNameWindowPixmap(disp, eo->win);
if (cw->picture == None)
{
XRenderPictFormat *pictfmt;
XRenderPictureAttributes pa;
Drawable draw = eo->win;
if (cw->pixmap && Mode_compmgr.use_pixmap)
draw = cw->pixmap;
pictfmt = XRenderFindVisualFormat(disp, cw->a.visual);
pa.subwindow_mode = IncludeInferiors;
cw->picture = XRenderCreatePicture(disp, draw,
pictfmt, CPSubwindowMode, &pa);
D2printf("New picture %#lx\n", cw->picture);
}
}
void
ECompMgrWinNew(EObj * eo)
{
ECmWinInfo *cw;
XWindowAttributes attr;
if (!Mode_compmgr.active) /* FIXME - Here? */
return;
if (!XGetWindowAttributes(disp, eo->win, &attr))
return;
if (attr.class == InputOnly)
return;
cw = Ecalloc(1, sizeof(ECmWinInfo));
if (!cw)
return;
D1printf("ECompMgrWinNew %#lx\n", eo->win);
eo->cmhook = cw;
cw->damaged = 0;
cw->a.depth = attr.depth;
cw->a.visual = attr.visual;
cw->a.border_width = attr.border_width;
if (eo->type == EOBJ_TYPE_DESK)
eo->noredir = 1;
if (!eo->noredir)
{
if (Conf_compmgr.mode == ECM_MODE_WINDOW)
XCompositeRedirectWindow(disp, eo->win, CompositeRedirectManual);
cw->damage_sequence = NextRequest(disp);
cw->damage = XDamageCreate(disp, eo->win, XDamageReportNonEmpty);
}
if (eo->type == EOBJ_TYPE_EXT)
eo->opacity =
(unsigned int)(Conf_compmgr.override_redirect.opacity << 24);
if (eo->opacity == 0)
eo->opacity = 0xFFFFFFFF;
eo->shadow = 1;
cw->picture = None;
cw->pixmap = None;
cw->alphaPict = None;
cw->borderSize = None;
cw->extents = None;
cw->clip = None;
#if ENABLE_SHADOWS
cw->shadowPict = None;
cw->shadow = None;
cw->shadow_dx = 0;
cw->shadow_dy = 0;
cw->shadow_width = 0;
cw->shadow_height = 0;
#endif
cw->opacity = 0xdeadbeef;
ECompMgrWinSetOpacity(eo, eo->opacity);
EventCallbackRegister(eo->win, 0, ECompMgrHandleWindowEvent, eo);
}
void
ECompMgrWinMoveResize(EObj * eo, int change_xy, int change_wh, int change_bw)
{
ECmWinInfo *cw = eo->cmhook;
XserverRegion damage = None;
int invalidate;
D1printf("ECompMgrWinMoveResize %#lx xy=%d wh=%d bw=%d\n",
eo->win, change_xy, change_wh, change_bw);
invalidate = 0;
if (change_xy || change_bw)
invalidate |= INV_POS;
if (change_wh || change_bw)
invalidate |= INV_SIZE;
if (!invalidate)
return;
if (!eo->shown)
{
ECompMgrWinInvalidate(eo, invalidate);
return;
}
/* Invalidate old window region */
damage = XFixesCreateRegion(disp, 0, 0);
if (cw->extents != None)
XFixesCopyRegion(disp, damage, cw->extents);
if (EventDebug(EDBUG_TYPE_COMPMGR3))
ERegionShow("old-extents:", damage);
ECompMgrWinInvalidate(eo, invalidate);
if (invalidate & INV_SIZE) /* FIXME - ??? */
ECompMgrWinSetPicts(eo);
/* Find new window region */
cw->extents = win_extents(disp, eo);
#if 1
/* Hmmm. Why if not changed? - To get shadows painted. */
/* Invalidate new window region */
XFixesUnionRegion(disp, damage, damage, cw->extents);
#endif
if (damage != None)
ECompMgrDamageMergeObject(eo, damage, 1);
}
static void
ECompMgrWinConfigure(EObj * eo, XEvent * ev)
{
ECmWinInfo *cw = eo->cmhook;
int x, y, w, h, bw;
int change_xy, change_wh, change_bw;
x = ev->xconfigure.x;
y = ev->xconfigure.y;
w = ev->xconfigure.width;
h = ev->xconfigure.height;
bw = ev->xconfigure.border_width;
change_xy = eo->x != x || eo->y != y;
change_wh = eo->w != w || eo->h != h;
change_bw = cw->a.border_width != bw;
eo->x = x;
eo->y = y;
eo->w = w;
eo->h = h;
cw->a.border_width = bw;
ECompMgrWinMoveResize(eo, change_xy, change_wh, change_bw);
}
void
ECompMgrWinReparent(EObj * eo, Desk * dsk, int change_xy)
{
ECmWinInfo *cw = eo->cmhook;
D1printf("ECompMgrWinReparent %#lx %#lx d=%d->%d x,y=%d,%d %d\n",
eo->win, cw->extents, eo->desk->num, dsk->num, eo->x, eo->y,
change_xy);
/* Invalidate old window region */
if (EventDebug(EDBUG_TYPE_COMPMGR3))
ERegionShow("old-extents:", cw->extents);
ECompMgrDamageMergeObject(eo, cw->extents, change_xy);
if (change_xy)
{
cw->extents = None;
ECompMgrWinInvalidate(eo, INV_POS);
/* Find new window region */
cw->extents = win_extents(disp, eo);
ECompMgrDamageMergeObject(eo, cw->extents, 0);
}
}
static void
ECompMgrWinCirculate(EObj * eo, XEvent * ev)
{
D1printf("ECompMgrWinCirculate %#lx %#lx\n", ev->xany.window, eo->win);
/* FIXME - Check if stacking was changed */
}
void
ECompMgrWinChangeShape(EObj * eo)
{
ECmWinInfo *cw = eo->cmhook;
if (cw->extents != None)
{
ECompMgrDamageMergeObject(eo, cw->extents, 1);
cw->extents = None;
}
ECompMgrWinInvalidate(eo, INV_SIZE);
}
void
ECompMgrWinChangeStacking(EObj * eo)
{
ECmWinInfo *cw = eo->cmhook;
if (Conf_compmgr.shadows.mode == ECM_SHADOWS_OFF)
return;
if (cw->extents != None)
ECompMgrDamageMergeObject(eo, cw->extents, 0);
}
void
ECompMgrWinDel(EObj * eo)
{
ECmWinInfo *cw = eo->cmhook;
if (!cw)
return;
D1printf("ECompMgrWinDel %#lx\n", eo->win);
EventCallbackUnregister(eo->win, 0, ECompMgrHandleWindowEvent, eo);
if (eo->type == EOBJ_TYPE_DESK)
{
DeskBackgroundPictureFree((Desk *) eo);
cw->pixmap = None;
}
if (!eo->noredir)
{
if (!eo->gone && Conf_compmgr.mode == ECM_MODE_WINDOW)
XCompositeUnredirectWindow(disp, eo->win, CompositeRedirectManual);
}
ECompMgrWinInvalidate(eo, INV_ALL);
if (!eo->gone)
{
if (cw->picture != None)
XRenderFreePicture(disp, cw->picture);
if (cw->damage != None)
XDamageDestroy(disp, cw->damage);
}
_EFREE(eo->cmhook);
}
static void
ECompMgrWinDamage(EObj * eo, XEvent * ev __UNUSED__)
{
ECmWinInfo *cw = eo->cmhook;
Display *dpy = disp;
XDamageNotifyEvent *de = (XDamageNotifyEvent *) ev;
XserverRegion parts;
D1printf("ECompMgrWinDamage %#lx %#lx damaged=%d %d,%d %dx%d\n",
ev->xany.window, eo->win, cw->damaged,
de->area.x, de->area.y, de->area.width, de->area.height);
if (!cw->damaged)
{
parts = win_extents(dpy, eo);
XDamageSubtract(dpy, cw->damage, None, None);
cw->damaged = 1;
}
else
{
parts = XFixesCreateRegion(dpy, 0, 0);
XDamageSubtract(dpy, cw->damage, None, parts);
XFixesTranslateRegion(dpy, parts,
eo->x + cw->a.border_width,
eo->y + cw->a.border_width);
#if ENABLE_SHADOWS
if (Conf_compmgr.shadows.mode == ECM_SHADOWS_SHARP)
{
XserverRegion o;
o = ERegionClone(parts);
XFixesTranslateRegion(dpy, o, cw->shadow_dx, cw->shadow_dy);
XFixesUnionRegion(dpy, parts, parts, o);
XFixesDestroyRegion(dpy, o);
}
#endif
}
ECompMgrDamageMergeObject(eo, parts, 1);
}
/* Ensure that the blend mask is up to date */
static void
ECompMgrCheckAlphaMask(ECmWinInfo * cw)
{
if (cw->opacity != OPAQUE && !cw->alphaPict)
cw->alphaPict = EPictureCreateSolid(False, (double)cw->opacity / OPAQUE,
0, 0, 0);
}
static int
ECompMgrRepaintDetermineOrder(EObj * const *lst, int num, EObj ** first,
EObj ** last, Desk * dsk)
{
EObj *eo, *eo_prev, *eo_first;
int i, stop;
ECmWinInfo *cw;
D4printf("ECompMgrRepaintDetermineOrder %d\n", dsk->num);
if (!lst)
lst = EobjListStackGet(&num);
/* Determine overall paint order, top to bottom */
stop = 0;
eo_first = eo_prev = NULL;
for (i = 0; i < num; i++)
{
eo = lst[i];
cw = eo->cmhook;
if (!cw)
continue;
if ((!eo->shown && !cw->fading) || eo->desk != dsk)
continue;
D4printf(" - %#lx desk=%d shown=%d\n", eo->win, eo->desk->num,
eo->shown);
if (eo->type == EOBJ_TYPE_DESK)
{
EObj *eo1, *eo2;
ECmWinInfo *ec1;
Desk *d = (Desk *) eo;
if (!d->viewable)
continue;
stop = ECompMgrRepaintDetermineOrder(lst, num, &eo1, &eo2, d);
if (eo1)
{
ec1 = eo1->cmhook;
if (!eo_first)
eo_first = eo1;
if (eo_prev)
((ECmWinInfo *) (eo_prev->cmhook))->next = eo1;
((ECmWinInfo *) (eo1->cmhook))->prev = eo_prev;
eo_prev = eo2;
}
ECompMgrWinSetPicts(&d->o);
}
D4printf(" - %#lx desk=%d shown=%d dam=%d pict=%#lx\n",
eo->win, eo->desk->num, eo->shown, cw->damaged, cw->picture);
#if 0 /* FIXME - Need this? */
if (!cw->damaged)
continue;
#endif
if (!cw->picture)
continue;
D4printf
("ECompMgrRepaintDetermineOrder hook in %d - %#lx desk=%d shown=%d\n",
dsk->num, eo->win, eo->desk->num, eo->shown);
if (!eo_first)
eo_first = eo;
cw->prev = eo_prev;
if (eo_prev)
((ECmWinInfo *) (eo_prev->cmhook))->next = eo;
eo_prev = eo;
/* FIXME - We should break when the repaint region (cw->clip) becomes empty */
if (eo->type == EOBJ_TYPE_DESK && eo->x == 0 && eo->y == 0)
stop = 1;
if (stop)
break;
}
if (eo_prev)
((ECmWinInfo *) (eo_prev->cmhook))->next = NULL;
*first = eo_first;
*last = eo_prev;
return stop;
}
static void
ECompMgrRepaintObj(Picture pbuf, XserverRegion region, EObj * eo, int mode)
{
Display *dpy = disp;
ECmWinInfo *cw;
Desk *dsk = eo->desk;
int x, y;
cw = eo->cmhook;
#if 0
ECompMgrWinSetPicts(eo);
#endif
D2printf("ECompMgrRepaintObj mode=%d %#lx %s\n", mode, eo->win, eo->name);
/* Region of shaped window in screen coordinates */
if (!cw->borderSize)
cw->borderSize = border_size(eo);
if (EventDebug(EDBUG_TYPE_COMPMGR3))
ERegionShow("borderSize", cw->borderSize);
/* Region of window in screen coordinates, including shadows */
if (!cw->extents)
cw->extents = win_extents(dpy, eo);
if (EventDebug(EDBUG_TYPE_COMPMGR3))
ERegionShow("extents", cw->extents);
x = EoGetX(dsk);
y = EoGetY(dsk);
if (mode == 0)
{
/* Painting opaque windows top down, updating clip regions. */
cw->clip = ERegionClone(region);
switch (cw->mode)
{
case WINDOW_UNREDIR:
case WINDOW_SOLID:
D2printf(" * solid pict=%#lx d=%d l=%d\n",
cw->picture, eo->desk->num, eo->ilayer);
ERegionLimit(region);
XFixesSetPictureClipRegion(dpy, pbuf, 0, 0, region);
XRenderComposite(dpy, PictOpSrc, cw->picture, None, pbuf,
0, 0, 0, 0, x + cw->rcx, y + cw->rcy, cw->rcw,
cw->rch);
ERegionSubtractOffset(region, x, y, cw->borderSize);
break;
}
}
else
{
/* Painting trans stuff bottom up. */
switch (cw->mode)
{
case WINDOW_TRANS:
case WINDOW_ARGB:
D2printf(" * trans pict=%#lx d=%d l=%d\n",
cw->picture, eo->desk->num, eo->ilayer);
ERegionLimit(cw->clip);
XFixesSetPictureClipRegion(dpy, pbuf, 0, 0, cw->clip);
ECompMgrCheckAlphaMask(cw);
XRenderComposite(dpy, PictOpOver, cw->picture, cw->alphaPict, pbuf,
0, 0, 0, 0, x + cw->rcx, y + cw->rcy, cw->rcw,
cw->rch);
break;
}
#if ENABLE_SHADOWS
switch (Conf_compmgr.shadows.mode)
{
case ECM_SHADOWS_OFF:
break;
case ECM_SHADOWS_SHARP:
if (cw->opacity != OPAQUE && !cw->shadowPict)
cw->shadowPict = EPictureCreateSolid(True,
(double)cw->opacity /
OPAQUE * 0.3, 0, 0, 0);
ERegionSubtractOffset(cw->clip, x, y, cw->borderSize);
ERegionLimit(cw->clip);
XFixesSetPictureClipRegion(dpy, pbuf, 0, 0, cw->clip);
XRenderComposite(dpy, PictOpOver,
cw->shadowPict ? cw->
shadowPict : transBlackPicture, cw->picture, pbuf,
0, 0, 0, 0,
x + cw->rcx + cw->shadow_dx,
y + cw->rcy + cw->shadow_dy,
cw->shadow_width, cw->shadow_height);
break;
case ECM_SHADOWS_BLURRED:
if (cw->shadow == None)
break;
ERegionSubtractOffset(cw->clip, x, y, cw->borderSize);
ERegionLimit(cw->clip);
XFixesSetPictureClipRegion(dpy, pbuf, 0, 0, cw->clip);
XRenderComposite(dpy, PictOpOver, blackPicture, cw->shadow, pbuf,
0, 0, 0, 0,
x + cw->rcx + cw->shadow_dx,
y + cw->rcy + cw->shadow_dy,
cw->shadow_width, cw->shadow_height);
break;
}
#endif
XFixesDestroyRegion(dpy, cw->clip);
cw->clip = None;
}
}
void
ECompMgrRepaint(void)
{
Display *dpy = disp;
XserverRegion region;
EObj *eo;
Picture pict, pbuf;
Desk *dsk = DeskGet(0);
if (!Mode_compmgr.active || allDamage == None)
return;
region = ERegionClone(allDamage);
D2printf("ECompMgrRepaint rootBuffer=%#lx rootPicture=%#lx\n",
rootBuffer, rootPicture);
if (EventDebug(EDBUG_TYPE_COMPMGR3))
ERegionShow("allDamage", region);
if (!rootBuffer)
rootBuffer = EPictureCreateBuffer(VRoot.win, VRoot.w, VRoot.h,
VRoot.depth, VRoot.vis);
pbuf = rootBuffer;
if (!dsk)
return;
/* Do paint order list linking */
if (Mode_compmgr.reorder)
{
ECompMgrRepaintDetermineOrder(NULL, 0, &Mode_compmgr.eo_first,
&Mode_compmgr.eo_last, dsk);
#if 0 /* Not yet */
Mode_compmgr.reorder = 0;
#endif
}
/* Paint opaque windows top down, adjusting clip regions */
for (eo = Mode_compmgr.eo_first; eo;
eo = ((ECmWinInfo *) (eo->cmhook))->next)
ECompMgrRepaintObj(pbuf, region, eo, 0);
if (EventDebug(EDBUG_TYPE_COMPMGR2))
ERegionShow("after opaque", region);
/* Repaint background, clipped by damage region and opaque windows */
pict = DeskBackgroundPictureGet(dsk);
D1printf("ECompMgrRepaint desk picture=%#lx\n", pict);
ERegionLimit(region);
XFixesSetPictureClipRegion(dpy, pbuf, 0, 0, region);
XRenderComposite(dpy, PictOpSrc, pict, None, pbuf,
0, 0, 0, 0, 0, 0, VRoot.w, VRoot.h);
/* Paint trans windows and shadows bottom up */
for (eo = Mode_compmgr.eo_last; eo; eo = ((ECmWinInfo *) (eo->cmhook))->prev)
ECompMgrRepaintObj(pbuf, None, eo, 1);
if (pbuf != rootPicture)
{
ERegionLimit(allDamage);
XFixesSetPictureClipRegion(dpy, pbuf, 0, 0, allDamage);
XRenderComposite(dpy, PictOpSrc, pbuf, None, rootPicture,
0, 0, 0, 0, 0, 0, VRoot.w, VRoot.h);
}
XFixesDestroyRegion(dpy, region);
XFixesDestroyRegion(dpy, allDamage);
allDamage = None;
}
static void
ECompMgrRootConfigure(void *prm __UNUSED__, XEvent * ev)
{
Display *dpy = disp;
D1printf("ECompMgrRootConfigure root\n");
if (ev->xconfigure.window == VRoot.win)
{
if (rootBuffer != None)
{
XRenderFreePicture(dpy, rootBuffer);
rootBuffer = None;
}
if (Mode_compmgr.rgn_screen != None)
XFixesDestroyRegion(disp, Mode_compmgr.rgn_screen);
Mode_compmgr.rgn_screen = None;
}
return;
}
#if 1 /* FIXME - Need this? */
static void
ECompMgrRootExpose(void *prm __UNUSED__, XEvent * ev)
{
Display *dpy = disp;
static XRectangle *expose_rects = 0;
static int size_expose = 0;
static int n_expose = 0;
int more = ev->xexpose.count + 1;
if (ev->xexpose.window != VRoot.win)
return;
D1printf("ECompMgrRootExpose %d %d %d\n", n_expose, size_expose,
ev->xexpose.count);
if (n_expose == size_expose)
{
if (expose_rects)
{
expose_rects = realloc(expose_rects,
(size_expose + more) * sizeof(XRectangle));
size_expose += more;
}
else
{
expose_rects = malloc(more * sizeof(XRectangle));
size_expose = more;
}
}
expose_rects[n_expose].x = ev->xexpose.x;
expose_rects[n_expose].y = ev->xexpose.y;
expose_rects[n_expose].width = ev->xexpose.width;
expose_rects[n_expose].height = ev->xexpose.height;
n_expose++;
if (ev->xexpose.count == 0)
{
XserverRegion region;
region = XFixesCreateRegion(dpy, expose_rects, n_expose);
ECompMgrDamageMerge(region, 1);
n_expose = 0;
}
}
#endif
static void
ECompMgrDeskChanged(Desk * dsk)
{
if (!dsk || !dsk->o.cmhook)
return;
D1printf("ECompMgrDeskChanged: desk=%d\n", dsk->num);
DeskBackgroundPictureFree(dsk);
ECompMgrDamageAll();
}
#if ENABLE_SHADOWS
static void
ECompMgrShadowsInit(int mode, int cleanup)
{
if (mode == ECM_SHADOWS_BLURRED)
gaussianMap = make_gaussian_map(disp, Conf_compmgr.shadows.blur.radius);
else
{
if (gaussianMap)
free(gaussianMap);
gaussianMap = NULL;
}
if (mode != ECM_SHADOWS_OFF)
blackPicture = EPictureCreateSolid(True, 1, 0, 0, 0);
else
{
if (blackPicture)
XRenderFreePicture(disp, blackPicture);
blackPicture = None;
}
if (mode == ECM_SHADOWS_SHARP)
transBlackPicture = EPictureCreateSolid(True, 0.3, 0, 0, 0);
else
{
if (transBlackPicture)
XRenderFreePicture(disp, transBlackPicture);
transBlackPicture = None;
}
if (cleanup)
{
EObj *const *lst;
int i, num;
lst = EobjListStackGet(&num);
for (i = 0; i < num; i++)
ECompMgrWinInvalidate(lst[i], INV_SHADOW);
}
}
#else
#define ECompMgrShadowsInit(mode, cleanup)
#endif
static void
ECompMgrStart(void)
{
EObj *const *lst;
int i, num;
XRenderPictFormat *pictfmt;
XRenderPictureAttributes pa;
if (Mode_compmgr.active || Conf_compmgr.mode == ECM_MODE_OFF)
return;
Conf_compmgr.enable = Mode_compmgr.active = 1;
pa.subwindow_mode = IncludeInferiors;
pictfmt = XRenderFindVisualFormat(disp, VRoot.vis);
rootPicture =
XRenderCreatePicture(disp, VRoot.win, pictfmt, CPSubwindowMode, &pa);
ECompMgrShadowsInit(Conf_compmgr.shadows.mode, 0);
switch (Conf_compmgr.mode)
{
case ECM_MODE_ROOT:
XCompositeRedirectSubwindows(disp, VRoot.win, CompositeRedirectManual);
ESelectInputAdd(VRoot.win,
SubstructureNotifyMask |
ExposureMask | StructureNotifyMask);
break;
case ECM_MODE_WINDOW:
ESelectInputAdd(VRoot.win,
SubstructureNotifyMask |
ExposureMask | StructureNotifyMask);
break;
case ECM_MODE_AUTO:
XCompositeRedirectSubwindows(disp, VRoot.win,
CompositeRedirectAutomatic);
break;
}
allDamage = None;
EventCallbackRegister(VRoot.win, 0, ECompMgrHandleRootEvent, NULL);
lst = EobjListStackGet(&num);
for (i = 0; i < num; i++)
{
ECompMgrWinNew(lst[i]);
if (lst[i]->shown)
ECompMgrWinMap(lst[i]);
}
Mode_compmgr.reorder = 1;
}
static void
ECompMgrStop(void)
{
EObj *const *lst1, **lst;
int i, num;
if (!Mode_compmgr.active)
return;
Conf_compmgr.enable = Mode_compmgr.active = 0;
if (rootPicture)
XRenderFreePicture(disp, rootPicture);
rootPicture = None;
if (rootBuffer)
XRenderFreePicture(disp, rootBuffer);
rootBuffer = None;
DeskBackgroundPictureFree(DeskGet(0));
ECompMgrShadowsInit(ECM_SHADOWS_OFF, 0);
lst1 = EobjListStackGet(&num);
if (num > 0)
{
lst = Emalloc(num * sizeof(EObj *));
memcpy(lst, lst1, num * sizeof(EObj *));
for (i = 0; i < num; i++)
{
if (lst[i]->type == EOBJ_TYPE_EXT)
EobjUnregister(lst[i]); /* Modifies the object stack! */
else
ECompMgrWinDel(lst[i]);
}
Efree(lst);
}
if (allDamage != None)
XFixesDestroyRegion(disp, allDamage);
allDamage = None;
if (Mode_compmgr.rgn_screen != None)
XFixesDestroyRegion(disp, Mode_compmgr.rgn_screen);
Mode_compmgr.rgn_screen = None;
if (Conf_compmgr.mode == ECM_MODE_ROOT)
XCompositeUnredirectSubwindows(disp, VRoot.win, CompositeRedirectManual);
EventCallbackUnregister(VRoot.win, 0, ECompMgrHandleRootEvent, NULL);
if (Conf_compmgr.shadows.mode != ECM_SHADOWS_OFF)
DesksClear();
}
void
ECompMgrConfigGet(cfg_composite * cfg)
{
cfg->enable = Conf_compmgr.enable;
cfg->fading = Conf_compmgr.fading.enable;
cfg->shadow = Conf_compmgr.shadows.mode;
}
void
ECompMgrConfigSet(const cfg_composite * cfg)
{
if (Conf_compmgr.mode == ECM_MODE_OFF)
{
if (cfg->enable)
DialogOK("Enable Composite Error",
_("Cannot enable Composite Manager.\n"
"Use xdpyinfo to check that\n"
"Composite, Damage, Fixes, and Render\n"
"extensions are loaded."));
return;
}
if (cfg->enable != Conf_compmgr.enable)
{
Conf_compmgr.enable = cfg->enable;
Conf_compmgr.shadows.mode = cfg->shadow;
if (cfg->enable)
ECompMgrStart();
else
ECompMgrStop();
}
else
{
if (cfg->shadow != Conf_compmgr.shadows.mode)
{
Conf_compmgr.shadows.mode = cfg->shadow;
if (Conf_compmgr.enable)
{
ECompMgrShadowsInit(Conf_compmgr.shadows.mode, 1);
ECompMgrDamageAll();
}
}
}
Conf_compmgr.fading.enable = cfg->fading;
autosave();
}
/*
* Event handlers
*/
#define USE_WINDOW_EVENTS 0
static void
ECompMgrHandleWindowEvent(XEvent * ev, void *prm)
{
EObj *eo = prm;
D2printf("ECompMgrHandleWindowEvent: type=%d\n", ev->type);
switch (ev->type)
{
#if USE_WINDOW_EVENTS
case ConfigureNotify:
ECompMgrWinConfigure(eo, ev);
break;
case MapNotify:
ECompMgrWinMap(eo);
break;
case UnmapNotify:
if (eo->type == EOBJ_TYPE_EXT && eo->cmhook)
{
ECompMgrWinUnmap(eo);
eo->shown = 0;
}
break;
case CirculateNotify:
ECompMgrWinCirculate(eo, ev);
break;
#endif
case EX_EVENT_DAMAGE_NOTIFY:
ECompMgrWinDamage(eo, ev);
break;
}
}
static void
ECompMgrHandleRootEvent(XEvent * ev, void *prm)
{
Window xwin;
EObj *eo;
D2printf("ECompMgrHandleRootEvent: type=%d\n", ev->type);
switch (ev->type)
{
case CreateNotify:
xwin = ev->xcreatewindow.window;
case_CreateNotify:
if (!Conf_compmgr.override_redirect.mode != ECM_OR_ON_CREATE)
break;
eo = EobjListStackFind(xwin);
if (!eo)
EobjRegister(xwin, EOBJ_TYPE_EXT);
break;
case DestroyNotify:
xwin = ev->xdestroywindow.window;
case_DestroyNotify:
eo = EobjListStackFind(xwin);
if (eo && eo->type == EOBJ_TYPE_EXT)
EobjUnregister(eo);
break;
case ReparentNotify:
xwin = ev->xreparent.window;
if (ev->xreparent.parent == VRoot.win)
goto case_CreateNotify;
else
goto case_DestroyNotify;
break;
case ConfigureNotify:
if (ev->xconfigure.window == VRoot.win)
{
ECompMgrRootConfigure(prm, ev);
}
else
{
eo = EobjListStackFind(ev->xconfigure.window);
if (eo && eo->type == EOBJ_TYPE_EXT && eo->cmhook)
{
ECompMgrWinConfigure(eo, ev);
}
}
break;
case MapNotify:
eo = EobjListStackFind(ev->xmap.window);
if (!eo && Conf_compmgr.override_redirect.mode)
eo = EobjRegister(ev->xmap.window, EOBJ_TYPE_EXT);
if (eo && eo->type == EOBJ_TYPE_EXT && eo->cmhook)
{
eo->shown = 1;
EobjListStackRaise(eo);
ECompMgrWinMap(eo);
}
break;
case UnmapNotify:
eo = EobjListStackFind(ev->xunmap.window);
if (eo && eo->type == EOBJ_TYPE_EXT && eo->cmhook)
{
#if 0
/* No. Unredirection seems to cause map/unmap => loop */
if (Conf_compmgr.override_redirect.mode == ECM_OR_ON_MAPUNMAP)
{
EobjUnregister(eo);
}
else
#endif
{
ECompMgrWinUnmap(eo);
eo->shown = 0;
}
}
break;
case CirculateNotify:
eo = EobjListStackFind(ev->xcirculate.window);
if (eo && eo->cmhook)
ECompMgrWinCirculate(eo, ev);
break;
case Expose:
#if 1 /* FIXME - Need this? */
if (Conf_compmgr.shadows.mode != ECM_SHADOWS_OFF)
ECompMgrRootExpose(prm, ev);
#endif
break;
}
}
/*
* Module functions
*/
static void
ECompMgrInit(void)
{
int events, errors, major, minor;
if (!XCompositeQueryExtension(disp, &events, &errors) ||
!XDamageQueryExtension(disp, &events, &errors) ||
!XFixesQueryExtension(disp, &events, &errors) ||
!XRenderQueryExtension(disp, &events, &errors))
{
Conf_compmgr.mode = ECM_MODE_OFF;
goto done;
}
if (!XCompositeQueryVersion(disp, &major, &minor) ||
(major == 0 && minor < 2))
{
Conf_compmgr.mode = ECM_MODE_OFF;
goto done;
}
Mode_compmgr.use_pixmap = Conf_compmgr.use_name_pixmap;
if (Conf_compmgr.mode == ECM_MODE_OFF)
Conf_compmgr.mode = ECM_MODE_ROOT;
/* FIXME - Hardcode for now. */
Conf_compmgr.mode = ECM_MODE_WINDOW;
done:
if (Conf_compmgr.mode == ECM_MODE_OFF)
Conf_compmgr.enable = 0;
D1printf("ECompMgrInit: enable=%d mode=%d\n", Conf_compmgr.enable,
Conf_compmgr.mode);
}
static void
ECompMgrSighan(int sig, void *prm)
{
if (sig != ESIGNAL_INIT && Conf_compmgr.mode == ECM_MODE_OFF)
return;
switch (sig)
{
case ESIGNAL_INIT:
ECompMgrInit();
if (Conf_compmgr.enable)
ECompMgrStart();
break;
case ESIGNAL_BACKGROUND_CHANGE:
ECompMgrDeskChanged((Desk *) prm);
break;
case ESIGNAL_IDLE:
/* Do we get here on auto? */
if (!allDamage /* || Conf_compmgr.mode == ECM_MODE_AUTO */ )
return;
ECompMgrRepaint();
XSync(disp, False);
break;
}
}
static void
CompMgrIpc(const char *params, Client * c __UNUSED__)
{
const char *p;
char cmd[128], prm[4096];
int len;
cmd[0] = prm[0] = '\0';
p = params;
if (p)
{
len = 0;
sscanf(p, "%100s %4000s %n", cmd, prm, &len);
p += len;
}
if (!p || cmd[0] == '?')
{
IpcPrintf("CompMgr - on=%d\n", Mode_compmgr.active);
}
else if (!strcmp(cmd, "cfg"))
{
SettingsComposite();
}
else if (!strcmp(cmd, "start"))
{
ECompMgrStart();
autosave();
}
else if (!strcmp(cmd, "stop"))
{
ECompMgrStop();
autosave();
}
else if (!strncmp(cmd, "list", 2))
{
/* TBD */
}
}
IpcItem CompMgrIpcArray[] = {
{
CompMgrIpc,
"compmgr", "cm",
"Composite manager functions",
" cm ? Show info\n"
" cm cfg Configure\n"
" cm start Start composite manager\n"
" cm stop Stop composite manager\n"}
,
};
#define N_IPC_FUNCS (sizeof(CompMgrIpcArray)/sizeof(IpcItem))
static const CfgItem CompMgrCfgItems[] = {
CFG_ITEM_BOOL(Conf_compmgr, enable, 0),
CFG_ITEM_INT(Conf_compmgr, mode, 1),
CFG_ITEM_INT(Conf_compmgr, shadows.mode, 0),
CFG_ITEM_INT(Conf_compmgr, shadows.blur.radius, 8),
CFG_ITEM_INT(Conf_compmgr, shadows.blur.offset_x, 2),
CFG_ITEM_INT(Conf_compmgr, shadows.blur.offset_y, 2),
CFG_ITEM_INT(Conf_compmgr, shadows.sharp.offset_x, 2),
CFG_ITEM_INT(Conf_compmgr, shadows.sharp.offset_y, 7),
CFG_ITEM_BOOL(Conf_compmgr, resize_fix_enable, 0),
CFG_ITEM_BOOL(Conf_compmgr, use_name_pixmap, 0),
CFG_ITEM_BOOL(Conf_compmgr, fading.enable, 1),
CFG_ITEM_INT(Conf_compmgr, fading.dt_us, 10000),
CFG_ITEM_INT(Conf_compmgr, fading.step, 0x10000000),
CFG_ITEM_INT(Conf_compmgr, override_redirect.mode, 1),
CFG_ITEM_INT(Conf_compmgr, override_redirect.opacity, 240),
};
#define N_CFG_ITEMS (sizeof(CompMgrCfgItems)/sizeof(CfgItem))
/*
* Module descriptor
*/
EModule ModCompMgr = {
"compmgr", "cm",
ECompMgrSighan,
{N_IPC_FUNCS, CompMgrIpcArray},
{N_CFG_ITEMS, CompMgrCfgItems}
};
#endif /* USE_COMPOSITE */
/*
* $Id: xcompmgr.c,v 1.26 2004/08/14 21:39:51 keithp Exp $
*
* Copyright © 2003 Keith Packard
*
* 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, and that the name of Keith Packard not be used in
* advertising or publicity pertaining to distribution of the software without
* specific, written prior permission. Keith Packard makes no
* representations about the suitability of this software for any purpose. It
* is provided "as is" without express or implied warranty.
*
* KEITH PACKARD DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
* INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO
* EVENT SHALL KEITH PACKARD BE LIABLE FOR ANY SPECIAL, INDIRECT OR
* CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE,
* DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
* TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
* PERFORMANCE OF THIS SOFTWARE.
*/
/*
* Modified by Matthew Hawn. I don't know what to say here so follow what it
* says above. Not that I can really do anything about it
*/
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