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Diffstat (limited to 'app/xcompmgr/xcompmgr.c')
| -rw-r--r-- | app/xcompmgr/xcompmgr.c | 2197 |
1 files changed, 2197 insertions, 0 deletions
diff --git a/app/xcompmgr/xcompmgr.c b/app/xcompmgr/xcompmgr.c new file mode 100644 index 000000000..f7e714c37 --- /dev/null +++ b/app/xcompmgr/xcompmgr.c @@ -0,0 +1,2197 @@ +/* + * $Id: xcompmgr.c,v 1.1 2008/09/13 16:15:44 matthieu 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 +*/ + + +#include <stdlib.h> +#include <stdio.h> +#include <string.h> +#include <math.h> +#include <sys/poll.h> +#include <sys/time.h> +#include <time.h> +#include <unistd.h> +#include <getopt.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> + +#if COMPOSITE_MAJOR > 0 || COMPOSITE_MINOR >= 2 +#define HAS_NAME_WINDOW_PIXMAP 1 +#endif + +#define CAN_DO_USABLE 0 + +typedef struct _ignore { + struct _ignore *next; + unsigned long sequence; +} ignore; + +typedef struct _win { + struct _win *next; + Window id; +#if HAS_NAME_WINDOW_PIXMAP + Pixmap pixmap; +#endif + XWindowAttributes a; +#if CAN_DO_USABLE + Bool usable; /* mapped and all damaged at one point */ + XRectangle damage_bounds; /* bounds of damage */ +#endif + int mode; + int damaged; + Damage damage; + Picture picture; + Picture alphaPict; + Picture shadowPict; + XserverRegion borderSize; + XserverRegion extents; + Picture shadow; + int shadow_dx; + int shadow_dy; + int shadow_width; + int shadow_height; + unsigned int opacity; + Atom windowType; + unsigned long damage_sequence; /* sequence when damage was created */ + + /* for drawing translucent windows */ + XserverRegion borderClip; + struct _win *prev_trans; +} win; + +typedef struct _conv { + int size; + double *data; +} conv; + +typedef struct _fade { + struct _fade *next; + win *w; + double cur; + double finish; + double step; + void (*callback) (Display *dpy, win *w, Bool gone); + Display *dpy; + Bool gone; +} fade; + +win *list; +fade *fades; +Display *dpy; +int scr; +Window root; +Picture rootPicture; +Picture rootBuffer; +Picture blackPicture; +Picture transBlackPicture; +Picture rootTile; +XserverRegion allDamage; +Bool clipChanged; +#if HAS_NAME_WINDOW_PIXMAP +Bool hasNamePixmap; +#endif +int root_height, root_width; +ignore *ignore_head, **ignore_tail = &ignore_head; +int xfixes_event, xfixes_error; +int damage_event, damage_error; +int composite_event, composite_error; +int render_event, render_error; +Bool synchronize; +int composite_opcode; + +/* find these once and be done with it */ +Atom opacityAtom; +Atom winTypeAtom; +Atom winDesktopAtom; +Atom winDockAtom; +Atom winToolbarAtom; +Atom winMenuAtom; +Atom winUtilAtom; +Atom winSplashAtom; +Atom winDialogAtom; +Atom winNormalAtom; + +/* opacity property name; sometime soon I'll write up an EWMH spec for it */ +#define OPACITY_PROP "_NET_WM_WINDOW_OPACITY" + +#define TRANSLUCENT 0xe0000000 +#define OPAQUE 0xffffffff + +conv *gaussianMap; + +#define WINDOW_SOLID 0 +#define WINDOW_TRANS 1 +#define WINDOW_ARGB 2 + +#define TRANS_OPACITY 0.75 + +#define DEBUG_REPAINT 0 +#define DEBUG_EVENTS 0 +#define MONITOR_REPAINT 0 + +#define SHADOWS 1 +#define SHARP_SHADOW 0 + +typedef enum _compMode { + CompSimple, /* looks like a regular X server */ + CompServerShadows, /* use window alpha for shadow; sharp, but precise */ + CompClientShadows, /* use window extents for shadow, blurred */ +} CompMode; + +static void +determine_mode(Display *dpy, win *w); + +static double +get_opacity_percent(Display *dpy, win *w, double def); + +static XserverRegion +win_extents (Display *dpy, win *w); + +CompMode compMode = CompSimple; + +int shadowRadius = 12; +int shadowOffsetX = -15; +int shadowOffsetY = -15; +double shadowOpacity = .75; + +double fade_in_step = 0.028; +double fade_out_step = 0.03; +int fade_delta = 10; +int fade_time = 0; +Bool fadeWindows = False; +Bool excludeDockShadows = False; +Bool fadeTrans = False; + +Bool autoRedirect = False; + +/* For shadow precomputation */ +int Gsize = -1; +unsigned char *shadowCorner = NULL; +unsigned char *shadowTop = NULL; + +int +get_time_in_milliseconds () +{ + struct timeval tv; + + gettimeofday (&tv, NULL); + return tv.tv_sec * 1000 + tv.tv_usec / 1000; +} + +fade * +find_fade (win *w) +{ + fade *f; + + for (f = fades; f; f = f->next) + { + if (f->w == w) + return f; + } + return 0; +} + +void +dequeue_fade (Display *dpy, fade *f) +{ + fade **prev; + + for (prev = &fades; *prev; prev = &(*prev)->next) + if (*prev == f) + { + *prev = f->next; + if (f->callback) + (*f->callback) (dpy, f->w, f->gone); + free (f); + break; + } +} + +void +cleanup_fade (Display *dpy, win *w) +{ + fade *f = find_fade (w); + if (f) + dequeue_fade (dpy, f); +} + +void +enqueue_fade (Display *dpy, fade *f) +{ + if (!fades) + fade_time = get_time_in_milliseconds () + fade_delta; + f->next = fades; + fades = f; +} + +static void +set_fade (Display *dpy, win *w, double start, double finish, double step, + void (*callback) (Display *dpy, win *w, Bool gone), + Bool gone, Bool exec_callback, Bool override) +{ + fade *f; + + f = find_fade (w); + if (!f) + { + f = malloc (sizeof (fade)); + f->next = 0; + f->w = w; + f->cur = start; + enqueue_fade (dpy, f); + } + else if(!override) + return; + else + { + if (exec_callback) + if (f->callback) + (*f->callback)(dpy, f->w, f->gone); + } + + if (finish < 0) + finish = 0; + if (finish > 1) + finish = 1; + f->finish = finish; + if (f->cur < finish) + f->step = step; + else if (f->cur > finish) + f->step = -step; + f->callback = callback; + f->gone = gone; + w->opacity = f->cur * OPAQUE; +#if 0 + printf ("set_fade start %g step %g\n", f->cur, f->step); +#endif + determine_mode (dpy, w); + if (w->shadow) + { + XRenderFreePicture (dpy, w->shadow); + w->shadow = None; + w->extents = win_extents (dpy, w); + } +} + +int +fade_timeout (void) +{ + int now; + int delta; + if (!fades) + return -1; + now = get_time_in_milliseconds(); + delta = fade_time - now; + if (delta < 0) + delta = 0; +/* printf ("timeout %d\n", delta); */ + return delta; +} + +void +run_fades (Display *dpy) +{ + int now = get_time_in_milliseconds(); + fade *next = fades; + int steps; + Bool need_dequeue; + +#if 0 + printf ("run fades\n"); +#endif + if (fade_time - now > 0) + return; + steps = 1 + (now - fade_time) / fade_delta; + + while (next) + { + fade *f = next; + win *w = f->w; + next = f->next; + f->cur += f->step * steps; + if (f->cur >= 1) + f->cur = 1; + else if (f->cur < 0) + f->cur = 0; +#if 0 + printf ("opacity now %g\n", f->cur); +#endif + w->opacity = f->cur * OPAQUE; + need_dequeue = False; + if (f->step > 0) + { + if (f->cur >= f->finish) + { + w->opacity = f->finish*OPAQUE; + need_dequeue = True; + } + } + else + { + if (f->cur <= f->finish) + { + w->opacity = f->finish*OPAQUE; + need_dequeue = True; + } + } + determine_mode (dpy, w); + if (w->shadow) + { + XRenderFreePicture (dpy, w->shadow); + w->shadow = None; + w->extents = win_extents(dpy, w); + } + /* Must do this last as it might destroy f->w in callbacks */ + if (need_dequeue) + dequeue_fade (dpy, f); + } + fade_time = now + fade_delta; +} + +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, 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)); +} + +/* precompute shadow corners and sides to save time for large windows */ +static void +presum_gaussian (conv *map) +{ + int center = map->size/2; + int opacity, x, y; + + Gsize = map->size; + + if (shadowCorner) + free ((void *)shadowCorner); + if (shadowTop) + free ((void *)shadowTop); + + shadowCorner = (unsigned char *)(malloc ((Gsize + 1) * (Gsize + 1) * 26)); + shadowTop = (unsigned char *)(malloc ((Gsize + 1) * 26)); + + for (x = 0; x <= Gsize; x++) + { + shadowTop[25 * (Gsize + 1) + x] = sum_gaussian (map, 1, x - center, center, Gsize * 2, Gsize * 2); + for(opacity = 0; opacity < 25; opacity++) + shadowTop[opacity * (Gsize + 1) + x] = shadowTop[25 * (Gsize + 1) + x] * opacity / 25; + for(y = 0; y <= x; y++) + { + shadowCorner[25 * (Gsize + 1) * (Gsize + 1) + y * (Gsize + 1) + x] + = sum_gaussian (map, 1, x - center, y - center, Gsize * 2, Gsize * 2); + shadowCorner[25 * (Gsize + 1) * (Gsize + 1) + x * (Gsize + 1) + y] + = shadowCorner[25 * (Gsize + 1) * (Gsize + 1) + y * (Gsize + 1) + x]; + for(opacity = 0; opacity < 25; opacity++) + shadowCorner[opacity * (Gsize + 1) * (Gsize + 1) + y * (Gsize + 1) + x] + = shadowCorner[opacity * (Gsize + 1) * (Gsize + 1) + x * (Gsize + 1) + y] + = shadowCorner[25 * (Gsize + 1) * (Gsize + 1) + y * (Gsize + 1) + x] * opacity / 25; + } + } +} + +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; + int opacity_int = (int)(opacity * 25); + data = malloc (swidth * sheight * sizeof (unsigned char)); + if (!data) + return 0; + ximage = XCreateImage (dpy, + DefaultVisual(dpy, DefaultScreen(dpy)), + 8, + ZPixmap, + 0, + (char *) data, + swidth, sheight, 8, swidth * sizeof (unsigned char)); + if (!ximage) + { + free (data); + return 0; + } + /* + * Build the gaussian in sections + */ + + /* + * center (fill the complete data array) + */ + if (Gsize > 0) + d = shadowTop[opacity_int * (Gsize + 1) + Gsize]; + else + d = sum_gaussian (gaussianMap, opacity, center, center, width, height); + memset(data, d, sheight * swidth); + + /* + * 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++) + { + if (xlimit == Gsize && ylimit == Gsize) + d = shadowCorner[opacity_int * (Gsize + 1) * (Gsize + 1) + y * (Gsize + 1) + x]; + else + 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++) + { + if (ylimit == Gsize) + d = shadowTop[opacity_int * (Gsize + 1) + y]; + else + 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++) + { + if (xlimit == Gsize) + d = shadowTop[opacity_int * (Gsize + 1) + x]; + else + 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, Picture alpha_pict, 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, root, + shadowImage->width, + shadowImage->height, + 8); + if (!shadowPixmap) + { + XDestroyImage (shadowImage); + return None; + } + + shadowPicture = XRenderCreatePicture (dpy, shadowPixmap, + XRenderFindStandardFormat (dpy, PictStandardA8), + 0, 0); + if (!shadowPicture) + { + XDestroyImage (shadowImage); + XFreePixmap (dpy, shadowPixmap); + return None; + } + + gc = XCreateGC (dpy, shadowPixmap, 0, 0); + if (!gc) + { + XDestroyImage (shadowImage); + XFreePixmap (dpy, shadowPixmap); + XRenderFreePicture (dpy, shadowPicture); + return None; + } + + 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; +} + +Picture +solid_picture (Display *dpy, Bool argb, double a, double r, double g, double b) +{ + Pixmap pixmap; + Picture picture; + XRenderPictureAttributes pa; + XRenderColor c; + + pixmap = XCreatePixmap (dpy, root, 1, 1, argb ? 32 : 8); + if (!pixmap) + return None; + + pa.repeat = True; + picture = XRenderCreatePicture (dpy, pixmap, + XRenderFindStandardFormat (dpy, argb ? PictStandardARGB32 : PictStandardA8), + CPRepeat, + &pa); + if (!picture) + { + XFreePixmap (dpy, pixmap); + return None; + } + + c.alpha = a * 0xffff; + c.red = r * 0xffff; + c.green = g * 0xffff; + c.blue = b * 0xffff; + XRenderFillRectangle (dpy, PictOpSrc, picture, &c, 0, 0, 1, 1); + XFreePixmap (dpy, pixmap); + return picture; +} + +void +discard_ignore (Display *dpy, unsigned long sequence) +{ + while (ignore_head) + { + if ((long) (sequence - ignore_head->sequence) > 0) + { + ignore *next = ignore_head->next; + free (ignore_head); + ignore_head = next; + if (!ignore_head) + ignore_tail = &ignore_head; + } + else + break; + } +} + +void +set_ignore (Display *dpy, unsigned long sequence) +{ + ignore *i = malloc (sizeof (ignore)); + if (!i) + return; + i->sequence = sequence; + i->next = 0; + *ignore_tail = i; + ignore_tail = &i->next; +} + +int +should_ignore (Display *dpy, unsigned long sequence) +{ + discard_ignore (dpy, sequence); + return ignore_head && ignore_head->sequence == sequence; +} + +static win * +find_win (Display *dpy, Window id) +{ + win *w; + + for (w = list; w; w = w->next) + if (w->id == id) + return w; + return 0; +} + +static const char *backgroundProps[] = { + "_XROOTPMAP_ID", + "_XSETROOT_ID", + 0, +}; + +static Picture +root_tile (Display *dpy) +{ + Picture picture; + Atom actual_type; + Pixmap pixmap; + int actual_format; + unsigned long nitems; + unsigned long bytes_after; + unsigned char *prop; + Bool fill; + XRenderPictureAttributes pa; + int p; + + pixmap = None; + for (p = 0; backgroundProps[p]; p++) + { + if (XGetWindowProperty (dpy, root, XInternAtom (dpy, backgroundProps[p], False), + 0, 4, False, AnyPropertyType, + &actual_type, &actual_format, &nitems, &bytes_after, &prop) == Success && + actual_type == XInternAtom (dpy, "PIXMAP", False) && actual_format == 32 && nitems == 1) + { + memcpy (&pixmap, prop, 4); + XFree (prop); + fill = False; + break; + } + } + if (!pixmap) + { + pixmap = XCreatePixmap (dpy, root, 1, 1, DefaultDepth (dpy, scr)); + fill = True; + } + pa.repeat = True; + picture = XRenderCreatePicture (dpy, pixmap, + XRenderFindVisualFormat (dpy, + DefaultVisual (dpy, scr)), + CPRepeat, &pa); + if (fill) + { + XRenderColor c; + + c.red = c.green = c.blue = 0x8080; + c.alpha = 0xffff; + XRenderFillRectangle (dpy, PictOpSrc, picture, &c, + 0, 0, 1, 1); + } + return picture; +} + +static void +paint_root (Display *dpy) +{ + if (!rootTile) + rootTile = root_tile (dpy); + + XRenderComposite (dpy, PictOpSrc, + rootTile, None, rootBuffer, + 0, 0, 0, 0, 0, 0, root_width, root_height); +} + +static XserverRegion +win_extents (Display *dpy, win *w) +{ + XRectangle r; + + r.x = w->a.x; + r.y = w->a.y; + r.width = w->a.width + w->a.border_width * 2; + r.height = w->a.height + w->a.border_width * 2; + if (compMode != CompSimple && !(w->windowType == winDockAtom && excludeDockShadows)) + { + if (compMode == CompServerShadows || w->mode != WINDOW_ARGB) + { + XRectangle sr; + + if (compMode == CompServerShadows) + { + w->shadow_dx = 2; + w->shadow_dy = 7; + w->shadow_width = w->a.width; + w->shadow_height = w->a.height; + } + else + { + w->shadow_dx = shadowOffsetX; + w->shadow_dy = shadowOffsetY; + if (!w->shadow) + { + double opacity = shadowOpacity; + if (w->mode == WINDOW_TRANS) + opacity = opacity * ((double)w->opacity)/((double)OPAQUE); + w->shadow = shadow_picture (dpy, opacity, w->alphaPict, + w->a.width + w->a.border_width * 2, + w->a.height + w->a.border_width * 2, + &w->shadow_width, &w->shadow_height); + } + } + sr.x = w->a.x + w->shadow_dx; + sr.y = w->a.y + w->shadow_dy; + sr.width = w->shadow_width; + sr.height = w->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; + } + } + return XFixesCreateRegion (dpy, &r, 1); +} + +static XserverRegion +border_size (Display *dpy, win *w) +{ + XserverRegion border; + /* + * if window doesn't exist anymore, this will generate an error + * as well as not generate a region. Perhaps a better XFixes + * architecture would be to have a request that copies instead + * of creates, that way you'd just end up with an empty region + * instead of an invalid XID. + */ + set_ignore (dpy, NextRequest (dpy)); + border = XFixesCreateRegionFromWindow (dpy, w->id, WindowRegionBounding); + /* translate this */ + set_ignore (dpy, NextRequest (dpy)); + XFixesTranslateRegion (dpy, border, + w->a.x + w->a.border_width, + w->a.y + w->a.border_width); + return border; +} + +static void +paint_all (Display *dpy, XserverRegion region) +{ + win *w; + win *t = 0; + + if (!region) + { + XRectangle r; + r.x = 0; + r.y = 0; + r.width = root_width; + r.height = root_height; + region = XFixesCreateRegion (dpy, &r, 1); + } +#if MONITOR_REPAINT + rootBuffer = rootPicture; +#else + if (!rootBuffer) + { + Pixmap rootPixmap = XCreatePixmap (dpy, root, root_width, root_height, + DefaultDepth (dpy, scr)); + rootBuffer = XRenderCreatePicture (dpy, rootPixmap, + XRenderFindVisualFormat (dpy, + DefaultVisual (dpy, scr)), + 0, 0); + XFreePixmap (dpy, rootPixmap); + } +#endif + XFixesSetPictureClipRegion (dpy, rootPicture, 0, 0, region); +#if MONITOR_REPAINT + XRenderComposite (dpy, PictOpSrc, blackPicture, None, rootPicture, + 0, 0, 0, 0, 0, 0, root_width, root_height); +#endif +#if DEBUG_REPAINT + printf ("paint:"); +#endif + for (w = list; w; w = w->next) + { +#if CAN_DO_USABLE + if (!w->usable) + continue; +#endif + /* never painted, ignore it */ + if (!w->damaged) + continue; + /* if invisible, ignore it */ + if (w->a.x + w->a.width < 1 || w->a.y + w->a.height < 1 + || w->a.x >= root_width || w->a.y >= root_height) + continue; + if (!w->picture) + { + XRenderPictureAttributes pa; + XRenderPictFormat *format; + Drawable draw = w->id; + +#if HAS_NAME_WINDOW_PIXMAP + if (hasNamePixmap && !w->pixmap) + w->pixmap = XCompositeNameWindowPixmap (dpy, w->id); + if (w->pixmap) + draw = w->pixmap; +#endif + format = XRenderFindVisualFormat (dpy, w->a.visual); + pa.subwindow_mode = IncludeInferiors; + w->picture = XRenderCreatePicture (dpy, draw, + format, + CPSubwindowMode, + &pa); + } +#if DEBUG_REPAINT + printf (" 0x%x", w->id); +#endif + if (clipChanged) + { + if (w->borderSize) + { + set_ignore (dpy, NextRequest (dpy)); + XFixesDestroyRegion (dpy, w->borderSize); + w->borderSize = None; + } + if (w->extents) + { + XFixesDestroyRegion (dpy, w->extents); + w->extents = None; + } + if (w->borderClip) + { + XFixesDestroyRegion (dpy, w->borderClip); + w->borderClip = None; + } + } + if (!w->borderSize) + w->borderSize = border_size (dpy, w); + if (!w->extents) + w->extents = win_extents (dpy, w); + if (w->mode == WINDOW_SOLID) + { + int x, y, wid, hei; +#if HAS_NAME_WINDOW_PIXMAP + x = w->a.x; + y = w->a.y; + wid = w->a.width + w->a.border_width * 2; + hei = w->a.height + w->a.border_width * 2; +#else + x = w->a.x + w->a.border_width; + y = w->a.y + w->a.border_width; + wid = w->a.width; + hei = w->a.height; +#endif + XFixesSetPictureClipRegion (dpy, rootBuffer, 0, 0, region); + set_ignore (dpy, NextRequest (dpy)); + XFixesSubtractRegion (dpy, region, region, w->borderSize); + set_ignore (dpy, NextRequest (dpy)); + XRenderComposite (dpy, PictOpSrc, w->picture, None, rootBuffer, + 0, 0, 0, 0, + x, y, wid, hei); + } + if (!w->borderClip) + { + w->borderClip = XFixesCreateRegion (dpy, 0, 0); + XFixesCopyRegion (dpy, w->borderClip, region); + } + w->prev_trans = t; + t = w; + } +#if DEBUG_REPAINT + printf ("\n"); + fflush (stdout); +#endif + XFixesSetPictureClipRegion (dpy, rootBuffer, 0, 0, region); + paint_root (dpy); + for (w = t; w; w = w->prev_trans) + { + XFixesSetPictureClipRegion (dpy, rootBuffer, 0, 0, w->borderClip); + switch (compMode) { + case CompSimple: + break; + case CompServerShadows: + /* dont' bother drawing shadows on desktop windows */ + if (w->windowType == winDesktopAtom) + break; + set_ignore (dpy, NextRequest (dpy)); + if (w->opacity != OPAQUE && !w->shadowPict) + w->shadowPict = solid_picture (dpy, True, + (double) w->opacity / OPAQUE * 0.3, + 0, 0, 0); + XRenderComposite (dpy, PictOpOver, + w->shadowPict ? w->shadowPict : transBlackPicture, + w->picture, rootBuffer, + 0, 0, 0, 0, + w->a.x + w->shadow_dx, + w->a.y + w->shadow_dy, + w->shadow_width, w->shadow_height); + break; + case CompClientShadows: + /* don't bother drawing shadows on desktop windows */ + if (w->shadow && w->windowType != winDesktopAtom) + { + XRenderComposite (dpy, PictOpOver, blackPicture, w->shadow, rootBuffer, + 0, 0, 0, 0, + w->a.x + w->shadow_dx, + w->a.y + w->shadow_dy, + w->shadow_width, w->shadow_height); + } + break; + } + if (w->opacity != OPAQUE && !w->alphaPict) + w->alphaPict = solid_picture (dpy, False, + (double) w->opacity / OPAQUE, 0, 0, 0); + if (w->mode == WINDOW_TRANS) + { + int x, y, wid, hei; +#if HAS_NAME_WINDOW_PIXMAP + x = w->a.x; + y = w->a.y; + wid = w->a.width + w->a.border_width * 2; + hei = w->a.height + w->a.border_width * 2; +#else + x = w->a.x + w->a.border_width; + y = w->a.y + w->a.border_width; + wid = w->a.width; + hei = w->a.height; +#endif + set_ignore (dpy, NextRequest (dpy)); + XRenderComposite (dpy, PictOpOver, w->picture, w->alphaPict, rootBuffer, + 0, 0, 0, 0, + x, y, wid, hei); + } + else if (w->mode == WINDOW_ARGB) + { + int x, y, wid, hei; +#if HAS_NAME_WINDOW_PIXMAP + x = w->a.x; + y = w->a.y; + wid = w->a.width + w->a.border_width * 2; + hei = w->a.height + w->a.border_width * 2; +#else + x = w->a.x + w->a.border_width; + y = w->a.y + w->a.border_width; + wid = w->a.width; + hei = w->a.height; +#endif + set_ignore (dpy, NextRequest (dpy)); + XRenderComposite (dpy, PictOpOver, w->picture, w->alphaPict, rootBuffer, + 0, 0, 0, 0, + x, y, wid, hei); + } + XFixesDestroyRegion (dpy, w->borderClip); + w->borderClip = None; + } + XFixesDestroyRegion (dpy, region); + if (rootBuffer != rootPicture) + { + XFixesSetPictureClipRegion (dpy, rootBuffer, 0, 0, None); + XRenderComposite (dpy, PictOpSrc, rootBuffer, None, rootPicture, + 0, 0, 0, 0, 0, 0, root_width, root_height); + } +} + +static void +add_damage (Display *dpy, XserverRegion damage) +{ + if (allDamage) + { + XFixesUnionRegion (dpy, allDamage, allDamage, damage); + XFixesDestroyRegion (dpy, damage); + } + else + allDamage = damage; +} + +static void +repair_win (Display *dpy, win *w) +{ + XserverRegion parts; + + if (!w->damaged) + { + parts = win_extents (dpy, w); + set_ignore (dpy, NextRequest (dpy)); + XDamageSubtract (dpy, w->damage, None, None); + } + else + { + XserverRegion o; + parts = XFixesCreateRegion (dpy, 0, 0); + set_ignore (dpy, NextRequest (dpy)); + XDamageSubtract (dpy, w->damage, None, parts); + XFixesTranslateRegion (dpy, parts, + w->a.x + w->a.border_width, + w->a.y + w->a.border_width); + if (compMode == CompServerShadows) + { + o = XFixesCreateRegion (dpy, 0, 0); + XFixesCopyRegion (dpy, o, parts); + XFixesTranslateRegion (dpy, o, w->shadow_dx, w->shadow_dy); + XFixesUnionRegion (dpy, parts, parts, o); + XFixesDestroyRegion (dpy, o); + } + } + add_damage (dpy, parts); + w->damaged = 1; +} + +static unsigned int +get_opacity_prop (Display *dpy, win *w, unsigned int def); + +static void +map_win (Display *dpy, Window id, unsigned long sequence, Bool fade) +{ + win *w = find_win (dpy, id); + + if (!w) + return; + + w->a.map_state = IsViewable; + + /* This needs to be here or else we lose transparency messages */ + XSelectInput (dpy, id, PropertyChangeMask); + + /* This needs to be here since we don't get PropertyNotify when unmapped */ + w->opacity = get_opacity_prop (dpy, w, OPAQUE); + determine_mode (dpy, w); + +#if CAN_DO_USABLE + w->damage_bounds.x = w->damage_bounds.y = 0; + w->damage_bounds.width = w->damage_bounds.height = 0; +#endif + w->damaged = 0; + + if (fade && fadeWindows) + set_fade (dpy, w, 0, get_opacity_percent (dpy, w, 1.0), fade_in_step, 0, False, True, True); +} + +static void +finish_unmap_win (Display *dpy, win *w) +{ + w->damaged = 0; +#if CAN_DO_USABLE + w->usable = False; +#endif + if (w->extents != None) + { + add_damage (dpy, w->extents); /* destroys region */ + w->extents = None; + } + +#if HAS_NAME_WINDOW_PIXMAP + if (w->pixmap) + { + XFreePixmap (dpy, w->pixmap); + w->pixmap = None; + } +#endif + + if (w->picture) + { + set_ignore (dpy, NextRequest (dpy)); + XRenderFreePicture (dpy, w->picture); + w->picture = None; + } + + /* don't care about properties anymore */ + set_ignore (dpy, NextRequest (dpy)); + XSelectInput(dpy, w->id, 0); + + if (w->borderSize) + { + set_ignore (dpy, NextRequest (dpy)); + XFixesDestroyRegion (dpy, w->borderSize); + w->borderSize = None; + } + if (w->shadow) + { + XRenderFreePicture (dpy, w->shadow); + w->shadow = None; + } + if (w->borderClip) + { + XFixesDestroyRegion (dpy, w->borderClip); + w->borderClip = None; + } + + clipChanged = True; +} + +#if HAS_NAME_WINDOW_PIXMAP +static void +unmap_callback (Display *dpy, win *w, Bool gone) +{ + finish_unmap_win (dpy, w); +} +#endif + +static void +unmap_win (Display *dpy, Window id, Bool fade) +{ + win *w = find_win (dpy, id); + if (!w) + return; + w->a.map_state = IsUnmapped; +#if HAS_NAME_WINDOW_PIXMAP + if (w->pixmap && fade && fadeWindows) + set_fade (dpy, w, w->opacity*1.0/OPAQUE, 0.0, fade_out_step, unmap_callback, False, False, True); + else +#endif + finish_unmap_win (dpy, w); +} + +/* Get the opacity prop from window + not found: default + otherwise the value + */ +static unsigned int +get_opacity_prop(Display *dpy, win *w, unsigned int def) +{ + Atom actual; + int format; + unsigned long n, left; + + unsigned char *data; + int result = XGetWindowProperty(dpy, w->id, opacityAtom, 0L, 1L, False, + XA_CARDINAL, &actual, &format, + &n, &left, &data); + if (result == Success && data != NULL) + { + unsigned int i; + memcpy (&i, data, sizeof (unsigned int)); + XFree( (void *) data); + return i; + } + return def; +} + +/* Get the opacity property from the window in a percent format + not found: default + otherwise: the value +*/ +static double +get_opacity_percent(Display *dpy, win *w, double def) +{ + unsigned int opacity = get_opacity_prop (dpy, w, (unsigned int)(OPAQUE*def)); + + return opacity*1.0/OPAQUE; +} + +/* determine mode for window all in one place. + Future might check for menu flag and other cool things +*/ + +static Atom +get_wintype_prop(Display * dpy, Window w) +{ + Atom actual; + int format; + unsigned long n, left; + + unsigned char *data; + int result = XGetWindowProperty (dpy, w, winTypeAtom, 0L, 1L, False, + XA_ATOM, &actual, &format, + &n, &left, &data); + + if (result == Success && data != None) + { + Atom a; + memcpy (&a, data, sizeof (Atom)); + XFree ( (void *) data); + return a; + } + return winNormalAtom; +} + +static void +determine_mode(Display *dpy, win *w) +{ + int mode; + XRenderPictFormat *format; + + /* if trans prop == -1 fall back on previous tests*/ + + if (w->alphaPict) + { + XRenderFreePicture (dpy, w->alphaPict); + w->alphaPict = None; + } + if (w->shadowPict) + { + XRenderFreePicture (dpy, w->shadowPict); + w->shadowPict = None; + } + + if (w->a.class == InputOnly) + { + format = 0; + } + else + { + format = XRenderFindVisualFormat (dpy, w->a.visual); + } + + if (format && format->type == PictTypeDirect && format->direct.alphaMask) + { + mode = WINDOW_ARGB; + } + else if (w->opacity != OPAQUE) + { + mode = WINDOW_TRANS; + } + else + { + mode = WINDOW_SOLID; + } + w->mode = mode; + if (w->extents) + { + XserverRegion damage; + damage = XFixesCreateRegion (dpy, 0, 0); + XFixesCopyRegion (dpy, damage, w->extents); + add_damage (dpy, damage); + } +} + +static Atom +determine_wintype (Display *dpy, Window w) +{ + Window root_return, parent_return; + Window *children = NULL; + unsigned int nchildren, i; + Atom type; + + type = get_wintype_prop (dpy, w); + if (type != winNormalAtom) + return type; + + if (!XQueryTree (dpy, w, &root_return, &parent_return, &children, + &nchildren)) + { + /* XQueryTree failed. */ + if (children) + XFree ((void *)children); + return winNormalAtom; + } + + for (i = 0;i < nchildren;i++) + { + type = determine_wintype (dpy, children[i]); + if (type != winNormalAtom) + return type; + } + + if (children) + XFree ((void *)children); + + return winNormalAtom; +} + +static void +add_win (Display *dpy, Window id, Window prev) +{ + win *new = malloc (sizeof (win)); + win **p; + + if (!new) + return; + if (prev) + { + for (p = &list; *p; p = &(*p)->next) + if ((*p)->id == prev) + break; + } + else + p = &list; + new->id = id; + set_ignore (dpy, NextRequest (dpy)); + if (!XGetWindowAttributes (dpy, id, &new->a)) + { + free (new); + return; + } + new->damaged = 0; +#if CAN_DO_USABLE + new->usable = False; +#endif +#if HAS_NAME_WINDOW_PIXMAP + new->pixmap = None; +#endif + new->picture = None; + if (new->a.class == InputOnly) + { + new->damage_sequence = 0; + new->damage = None; + } + else + { + new->damage_sequence = NextRequest (dpy); + new->damage = XDamageCreate (dpy, id, XDamageReportNonEmpty); + } + new->alphaPict = None; + new->shadowPict = None; + new->borderSize = None; + new->extents = None; + new->shadow = None; + new->shadow_dx = 0; + new->shadow_dy = 0; + new->shadow_width = 0; + new->shadow_height = 0; + new->opacity = OPAQUE; + + new->borderClip = None; + new->prev_trans = 0; + + new->windowType = determine_wintype (dpy, new->id); + + new->next = *p; + *p = new; + if (new->a.map_state == IsViewable) + map_win (dpy, id, new->damage_sequence - 1, True); +} + +void +restack_win (Display *dpy, win *w, Window new_above) +{ + Window old_above; + + if (w->next) + old_above = w->next->id; + else + old_above = None; + if (old_above != new_above) + { + win **prev; + + /* unhook */ + for (prev = &list; *prev; prev = &(*prev)->next) + if ((*prev) == w) + break; + *prev = w->next; + + /* rehook */ + for (prev = &list; *prev; prev = &(*prev)->next) + { + if ((*prev)->id == new_above) + break; + } + w->next = *prev; + *prev = w; + } +} + +static void +configure_win (Display *dpy, XConfigureEvent *ce) +{ + win *w = find_win (dpy, ce->window); + XserverRegion damage = None; + + if (!w) + { + if (ce->window == root) + { + if (rootBuffer) + { + XRenderFreePicture (dpy, rootBuffer); + rootBuffer = None; + } + root_width = ce->width; + root_height = ce->height; + } + return; + } +#if CAN_DO_USABLE + if (w->usable) +#endif + { + damage = XFixesCreateRegion (dpy, 0, 0); + if (w->extents != None) + XFixesCopyRegion (dpy, damage, w->extents); + } + w->a.x = ce->x; + w->a.y = ce->y; + if (w->a.width != ce->width || w->a.height != ce->height) + { +#if HAS_NAME_WINDOW_PIXMAP + if (w->pixmap) + { + XFreePixmap (dpy, w->pixmap); + w->pixmap = None; + if (w->picture) + { + XRenderFreePicture (dpy, w->picture); + w->picture = None; + } + } +#endif + if (w->shadow) + { + XRenderFreePicture (dpy, w->shadow); + w->shadow = None; + } + } + w->a.width = ce->width; + w->a.height = ce->height; + w->a.border_width = ce->border_width; + w->a.override_redirect = ce->override_redirect; + restack_win (dpy, w, ce->above); + if (damage) + { + XserverRegion extents = win_extents (dpy, w); + XFixesUnionRegion (dpy, damage, damage, extents); + XFixesDestroyRegion (dpy, extents); + add_damage (dpy, damage); + } + clipChanged = True; +} + +static void +circulate_win (Display *dpy, XCirculateEvent *ce) +{ + win *w = find_win (dpy, ce->window); + Window new_above; + + if (!w) + return; + + if (ce->place == PlaceOnTop) + new_above = list->id; + else + new_above = None; + restack_win (dpy, w, new_above); + clipChanged = True; +} + +static void +finish_destroy_win (Display *dpy, Window id, Bool gone) +{ + win **prev, *w; + + for (prev = &list; (w = *prev); prev = &w->next) + if (w->id == id) + { + if (gone) + finish_unmap_win (dpy, w); + *prev = w->next; + if (w->picture) + { + set_ignore (dpy, NextRequest (dpy)); + XRenderFreePicture (dpy, w->picture); + w->picture = None; + } + if (w->alphaPict) + { + XRenderFreePicture (dpy, w->alphaPict); + w->alphaPict = None; + } + if (w->shadowPict) + { + XRenderFreePicture (dpy, w->shadowPict); + w->shadowPict = None; + } + if (w->shadow) + { + XRenderFreePicture (dpy, w->shadow); + w->shadow = None; + } + if (w->damage != None) + { + set_ignore (dpy, NextRequest (dpy)); + XDamageDestroy (dpy, w->damage); + w->damage = None; + } + cleanup_fade (dpy, w); + free (w); + break; + } +} + +#if HAS_NAME_WINDOW_PIXMAP +static void +destroy_callback (Display *dpy, win *w, Bool gone) +{ + finish_destroy_win (dpy, w->id, gone); +} +#endif + +static void +destroy_win (Display *dpy, Window id, Bool gone, Bool fade) +{ + win *w = find_win (dpy, id); +#if HAS_NAME_WINDOW_PIXMAP + if (w && w->pixmap && fade && fadeWindows) + set_fade (dpy, w, w->opacity*1.0/OPAQUE, 0.0, fade_out_step, destroy_callback, gone, False, True); + else +#endif + { + finish_destroy_win (dpy, id, gone); + } +} + +/* +static void +dump_win (win *w) +{ + printf ("\t%08lx: %d x %d + %d + %d (%d)\n", w->id, + w->a.width, w->a.height, w->a.x, w->a.y, w->a.border_width); +} + + +static void +dump_wins (void) +{ + win *w; + + printf ("windows:\n"); + for (w = list; w; w = w->next) + dump_win (w); +} +*/ + +static void +damage_win (Display *dpy, XDamageNotifyEvent *de) +{ + win *w = find_win (dpy, de->drawable); + + if (!w) + return; +#if CAN_DO_USABLE + if (!w->usable) + { + if (w->damage_bounds.width == 0 || w->damage_bounds.height == 0) + { + w->damage_bounds = de->area; + } + else + { + if (de->area.x < w->damage_bounds.x) + { + w->damage_bounds.width += (w->damage_bounds.x - de->area.x); + w->damage_bounds.x = de->area.x; + } + if (de->area.y < w->damage_bounds.y) + { + w->damage_bounds.height += (w->damage_bounds.y - de->area.y); + w->damage_bounds.y = de->area.y; + } + if (de->area.x + de->area.width > w->damage_bounds.x + w->damage_bounds.width) + w->damage_bounds.width = de->area.x + de->area.width - w->damage_bounds.x; + if (de->area.y + de->area.height > w->damage_bounds.y + w->damage_bounds.height) + w->damage_bounds.height = de->area.y + de->area.height - w->damage_bounds.y; + } +#if 0 + printf ("unusable damage %d, %d: %d x %d bounds %d, %d: %d x %d\n", + de->area.x, + de->area.y, + de->area.width, + de->area.height, + w->damage_bounds.x, + w->damage_bounds.y, + w->damage_bounds.width, + w->damage_bounds.height); +#endif + if (w->damage_bounds.x <= 0 && + w->damage_bounds.y <= 0 && + w->a.width <= w->damage_bounds.x + w->damage_bounds.width && + w->a.height <= w->damage_bounds.y + w->damage_bounds.height) + { + clipChanged = True; + if (fadeWindows) + set_fade (dpy, w, 0, get_opacity_percent (dpy, w, 1.0), fade_in_step, 0, False, True, True); + w->usable = True; + } + } + if (w->usable) +#endif + repair_win (dpy, w); +} + +static int +error (Display *dpy, XErrorEvent *ev) +{ + int o; + const char *name = 0; + + if (should_ignore (dpy, ev->serial)) + return 0; + + if (ev->request_code == composite_opcode && + ev->minor_code == X_CompositeRedirectSubwindows) + { + fprintf (stderr, "Another composite manager is already running\n"); + exit (1); + } + + o = ev->error_code - xfixes_error; + switch (o) { + case BadRegion: name = "BadRegion"; break; + default: break; + } + o = ev->error_code - damage_error; + switch (o) { + case BadDamage: name = "BadDamage"; break; + default: break; + } + o = ev->error_code - render_error; + switch (o) { + case BadPictFormat: name ="BadPictFormat"; break; + case BadPicture: name ="BadPicture"; break; + case BadPictOp: name ="BadPictOp"; break; + case BadGlyphSet: name ="BadGlyphSet"; break; + case BadGlyph: name ="BadGlyph"; break; + default: break; + } + + printf ("error %d request %d minor %d serial %lu\n", + ev->error_code, ev->request_code, ev->minor_code, ev->serial); + +/* abort (); this is just annoying to most people */ + return 0; +} + +static void +expose_root (Display *dpy, Window root, XRectangle *rects, int nrects) +{ + XserverRegion region = XFixesCreateRegion (dpy, rects, nrects); + + add_damage (dpy, region); +} + +#if DEBUG_EVENTS +static int +ev_serial (XEvent *ev) +{ + if (ev->type & 0x7f != KeymapNotify) + return ev->xany.serial; + return NextRequest (ev->xany.display); +} + +static char * +ev_name (XEvent *ev) +{ + static char buf[128]; + switch (ev->type & 0x7f) { + case Expose: + return "Expose"; + case MapNotify: + return "Map"; + case UnmapNotify: + return "Unmap"; + case ReparentNotify: + return "Reparent"; + case CirculateNotify: + return "Circulate"; + default: + if (ev->type == damage_event + XDamageNotify) + return "Damage"; + sprintf (buf, "Event %d", ev->type); + return buf; + } +} + +static Window +ev_window (XEvent *ev) +{ + switch (ev->type) { + case Expose: + return ev->xexpose.window; + case MapNotify: + return ev->xmap.window; + case UnmapNotify: + return ev->xunmap.window; + case ReparentNotify: + return ev->xreparent.window; + case CirculateNotify: + return ev->xcirculate.window; + default: + if (ev->type == damage_event + XDamageNotify) + return ((XDamageNotifyEvent *) ev)->drawable; + return 0; + } +} +#endif + +void +usage (char *program) +{ + fprintf (stderr, "%s v1.1.3\n", program); + fprintf (stderr, "usage: %s [options]\n", program); + fprintf (stderr, "Options\n"); + fprintf (stderr, " -d display\n Specifies which display should be managed.\n"); + fprintf (stderr, " -r radius\n Specifies the blur radius for client-side shadows. (default 12)\n"); + fprintf (stderr, " -o opacity\n Specifies the translucency for client-side shadows. (default .75)\n"); + fprintf (stderr, " -l left-offset\n Specifies the left offset for client-side shadows. (default -15)\n"); + fprintf (stderr, " -t top-offset\n Specifies the top offset for clinet-side shadows. (default -15)\n"); + fprintf (stderr, " -I fade-in-step\n Specifies the opacity change between steps while fading in. (default 0.028)\n"); + fprintf (stderr, " -O fade-out-step\n Specifies the opacity change between steps while fading out. (default 0.03)\n"); + fprintf (stderr, " -D fade-delta-time\n Specifies the time between steps in a fade in milliseconds. (default 10)\n"); + fprintf (stderr, " -a\n Use automatic server-side compositing. Faster, but no special effects.\n"); + fprintf (stderr, " -c\n Draw client-side shadows with fuzzy edges.\n"); + fprintf (stderr, " -C\n Avoid drawing shadows on dock/panel windows.\n"); + fprintf (stderr, " -f\n Fade windows in/out when opening/closing.\n"); + fprintf (stderr, " -F\n Fade windows during opacity changes.\n"); + fprintf (stderr, " -n\n Normal client-side compositing with transparency support\n"); + fprintf (stderr, " -s\n Draw server-side shadows with sharp edges.\n"); + fprintf (stderr, " -S\n Enable synchronous operation (for debugging).\n"); + exit (1); +} + +static void +register_cm (void) +{ + Window w; + Atom a; + + w = XCreateSimpleWindow (dpy, RootWindow (dpy, 0), 0, 0, 1, 1, 0, None, + None); + + Xutf8SetWMProperties (dpy, w, "xcompmgr", "xcompmgr", NULL, 0, NULL, NULL, + NULL); + + /* FIXME: Don't hard code the screen number */ + a = XInternAtom (dpy, "_NET_WM_CM_S0", False); + + XSetSelectionOwner (dpy, a, w, 0); +} + +int +main (int argc, char **argv) +{ + XEvent ev; + Window root_return, parent_return; + Window *children; + unsigned int nchildren; + int i; + XRenderPictureAttributes pa; + XRectangle *expose_rects = 0; + int size_expose = 0; + int n_expose = 0; + struct pollfd ufd; + int p; + int composite_major, composite_minor; + char *display = 0; + int o; + + while ((o = getopt (argc, argv, "D:I:O:d:r:o:l:t:scnfFCaS")) != -1) + { + switch (o) { + case 'd': + display = optarg; + break; + case 'D': + fade_delta = atoi (optarg); + if (fade_delta < 1) + fade_delta = 10; + break; + case 'I': + fade_in_step = atof (optarg); + if (fade_in_step <= 0) + fade_in_step = 0.01; + break; + case 'O': + fade_out_step = atof (optarg); + if (fade_out_step <= 0) + fade_out_step = 0.01; + break; + case 's': + compMode = CompServerShadows; + break; + case 'c': + compMode = CompClientShadows; + break; + case 'C': + excludeDockShadows = True; + break; + case 'n': + compMode = CompSimple; + break; + case 'f': + fadeWindows = True; + break; + case 'F': + fadeTrans = True; + break; + case 'a': + autoRedirect = True; + break; + case 'S': + synchronize = True; + break; + case 'r': + shadowRadius = atoi (optarg); + break; + case 'o': + shadowOpacity = atof (optarg); + break; + case 'l': + shadowOffsetX = atoi (optarg); + break; + case 't': + shadowOffsetY = atoi (optarg); + break; + default: + usage (argv[0]); + break; + } + } + + dpy = XOpenDisplay (display); + if (!dpy) + { + fprintf (stderr, "Can't open display\n"); + exit (1); + } + XSetErrorHandler (error); + if (synchronize) + XSynchronize (dpy, 1); + scr = DefaultScreen (dpy); + root = RootWindow (dpy, scr); + + if (!XRenderQueryExtension (dpy, &render_event, &render_error)) + { + fprintf (stderr, "No render extension\n"); + exit (1); + } + if (!XQueryExtension (dpy, COMPOSITE_NAME, &composite_opcode, + &composite_event, &composite_error)) + { + fprintf (stderr, "No composite extension\n"); + exit (1); + } + XCompositeQueryVersion (dpy, &composite_major, &composite_minor); +#if HAS_NAME_WINDOW_PIXMAP + if (composite_major > 0 || composite_minor >= 2) + hasNamePixmap = True; +#endif + + if (!XDamageQueryExtension (dpy, &damage_event, &damage_error)) + { + fprintf (stderr, "No damage extension\n"); + exit (1); + } + if (!XFixesQueryExtension (dpy, &xfixes_event, &xfixes_error)) + { + fprintf (stderr, "No XFixes extension\n"); + exit (1); + } + + register_cm(); + + /* get atoms */ + opacityAtom = XInternAtom (dpy, OPACITY_PROP, False); + winTypeAtom = XInternAtom (dpy, "_NET_WM_WINDOW_TYPE", False); + winDesktopAtom = XInternAtom (dpy, "_NET_WM_WINDOW_TYPE_DESKTOP", False); + winDockAtom = XInternAtom (dpy, "_NET_WM_WINDOW_TYPE_DOCK", False); + winToolbarAtom = XInternAtom (dpy, "_NET_WM_WINDOW_TYPE_TOOLBAR", False); + winMenuAtom = XInternAtom (dpy, "_NET_WM_WINDOW_TYPE_MENU", False); + winUtilAtom = XInternAtom (dpy, "_NET_WM_WINDOW_TYPE_UTILITY", False); + winSplashAtom = XInternAtom (dpy, "_NET_WM_WINDOW_TYPE_SPLASH", False); + winDialogAtom = XInternAtom (dpy, "_NET_WM_WINDOW_TYPE_DIALOG", False); + winNormalAtom = XInternAtom (dpy, "_NET_WM_WINDOW_TYPE_NORMAL", False); + + pa.subwindow_mode = IncludeInferiors; + + if (compMode == CompClientShadows) + { + gaussianMap = make_gaussian_map(dpy, shadowRadius); + presum_gaussian (gaussianMap); + } + + root_width = DisplayWidth (dpy, scr); + root_height = DisplayHeight (dpy, scr); + + rootPicture = XRenderCreatePicture (dpy, root, + XRenderFindVisualFormat (dpy, + DefaultVisual (dpy, scr)), + CPSubwindowMode, + &pa); + blackPicture = solid_picture (dpy, True, 1, 0, 0, 0); + if (compMode == CompServerShadows) + transBlackPicture = solid_picture (dpy, True, 0.3, 0, 0, 0); + allDamage = None; + clipChanged = True; + XGrabServer (dpy); + if (autoRedirect) + XCompositeRedirectSubwindows (dpy, root, CompositeRedirectAutomatic); + else + { + XCompositeRedirectSubwindows (dpy, root, CompositeRedirectManual); + XSelectInput (dpy, root, + SubstructureNotifyMask| + ExposureMask| + StructureNotifyMask| + PropertyChangeMask); + XQueryTree (dpy, root, &root_return, &parent_return, &children, &nchildren); + for (i = 0; i < nchildren; i++) + add_win (dpy, children[i], i ? children[i-1] : None); + XFree (children); + } + XUngrabServer (dpy); + ufd.fd = ConnectionNumber (dpy); + ufd.events = POLLIN; + if (!autoRedirect) + paint_all (dpy, None); + for (;;) + { + /* dump_wins (); */ + do { + if (autoRedirect) + XFlush (dpy); + if (!QLength (dpy)) + { + if (poll (&ufd, 1, fade_timeout()) == 0) + { + run_fades (dpy); + break; + } + } + + XNextEvent (dpy, &ev); + if ((ev.type & 0x7f) != KeymapNotify) + discard_ignore (dpy, ev.xany.serial); +#if DEBUG_EVENTS + printf ("event %10.10s serial 0x%08x window 0x%08x\n", + ev_name(&ev), ev_serial (&ev), ev_window (&ev)); +#endif + if (!autoRedirect) switch (ev.type) { + case CreateNotify: + add_win (dpy, ev.xcreatewindow.window, 0); + break; + case ConfigureNotify: + configure_win (dpy, &ev.xconfigure); + break; + case DestroyNotify: + destroy_win (dpy, ev.xdestroywindow.window, True, True); + break; + case MapNotify: + map_win (dpy, ev.xmap.window, ev.xmap.serial, True); + break; + case UnmapNotify: + unmap_win (dpy, ev.xunmap.window, True); + break; + case ReparentNotify: + if (ev.xreparent.parent == root) + add_win (dpy, ev.xreparent.window, 0); + else + destroy_win (dpy, ev.xreparent.window, False, True); + break; + case CirculateNotify: + circulate_win (dpy, &ev.xcirculate); + break; + case Expose: + if (ev.xexpose.window == root) + { + int more = ev.xexpose.count + 1; + 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) + { + expose_root (dpy, root, expose_rects, n_expose); + n_expose = 0; + } + } + break; + case PropertyNotify: + for (p = 0; backgroundProps[p]; p++) + { + if (ev.xproperty.atom == XInternAtom (dpy, backgroundProps[p], False)) + { + if (rootTile) + { + XClearArea (dpy, root, 0, 0, 0, 0, True); + XRenderFreePicture (dpy, rootTile); + rootTile = None; + break; + } + } + } + /* check if Trans property was changed */ + if (ev.xproperty.atom == opacityAtom) + { + /* reset mode and redraw window */ + win * w = find_win(dpy, ev.xproperty.window); + if (w) + { + if (fadeTrans) + set_fade (dpy, w, w->opacity*1.0/OPAQUE, get_opacity_percent (dpy, w, 1.0), + fade_out_step, 0, False, True, False); + else + { + w->opacity = get_opacity_prop(dpy, w, OPAQUE); + determine_mode(dpy, w); + if (w->shadow) + { + XRenderFreePicture (dpy, w->shadow); + w->shadow = None; + w->extents = win_extents (dpy, w); + } + } + } + } + break; + default: + if (ev.type == damage_event + XDamageNotify) + damage_win (dpy, (XDamageNotifyEvent *) &ev); + break; + } + } while (QLength (dpy)); + if (allDamage && !autoRedirect) + { + static int paint; + paint_all (dpy, allDamage); + paint++; + XSync (dpy, False); + allDamage = None; + clipChanged = False; + } + } +} |