-/*--------------------------------*-C-*---------------------------------*
+/*----------------------------------------------------------------------*
* File: rxvttoolkit.C
*----------------------------------------------------------------------*
*
* All portions of code are copyright by their respective author/s.
- * Copyright (c) 2003-2004 Marc Lehmann <pcg@goof.com>
+ * Copyright (c) 2003-2007 Marc Lehmann <pcg@goof.com>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
#include <unistd.h>
#include <fcntl.h>
-#ifndef NO_SLOW_LINK_SUPPORT
-# include <sys/socket.h>
-# include <sys/un.h>
+#include <sys/utsname.h>
+#include <sys/socket.h>
+#include <sys/un.h>
+
+#if XFT
+# include <X11/extensions/Xrender.h>
#endif
+const char *const xa_names[] =
+{
+ "TEXT",
+ "COMPOUND_TEXT",
+ "UTF8_STRING",
+ "MULTIPLE",
+ "TARGETS",
+ "TIMESTAMP",
+ "VT_SELECTION",
+ "INCR",
+ "WM_PROTOCOLS",
+ "WM_DELETE_WINDOW",
+ "CLIPBOARD",
+ "AVERAGE_WIDTH",
+ "WEIGHT_NAME",
+ "SLANT",
+ "CHARSET_REGISTRY",
+ "CHARSET_ENCODING",
+#if ENABLE_FRILLS
+ "_MOTIF_WM_HINTS",
+#endif
+#if ENABLE_EWMH
+ "_NET_WM_PID",
+ "_NET_WM_NAME",
+ "_NET_WM_ICON_NAME",
+ "_NET_WM_PING",
+ "_NET_WM_ICON",
+ "_NET_WM_USER_TIME",
+#endif
+#if USE_XIM
+ "WM_LOCALE_NAME",
+ "XIM_SERVERS",
+#endif
+#ifdef ENABLE_TRANSPARENCY
+ "_XROOTPMAP_ID",
+ "ESETROOT_PMAP_ID",
+#endif
+#if ENABLE_XEMBED
+ "_XEMBED",
+ "_XEMBED_INFO",
+#endif
+#if !ENABLE_MINIMAL
+ "SCREEN_RESOURCES",
+ "XDCCC_LINEAR_RGB_CORRECTION",
+ "XDCCC_LINEAR_RGB_MATRICES",
+ "WM_COLORMAP_WINDOWS",
+ "WM_STATE",
+ "cursor",
+# if USE_XIM
+ "TRANSPORT",
+ "LOCALES",
+ "_XIM_PROTOCOL",
+ "_XIM_XCONNECT",
+ "_XIM_MOREDATA",
+# endif
+#endif
+};
+
+/////////////////////////////////////////////////////////////////////////////
+
refcounted::refcounted (const char *id)
{
this->id = strdup (id);
{
if (!strcmp (id, (*i)->id))
{
- (*i)->referenced++;
+ ++(*i)->referenced;
+ (*i)->ref_next ();
return *i;
}
}
T *obj = new T (id);
- obj->referenced = 1;
-
- if (obj && obj->init ())
+ if (obj && obj->ref_init ())
{
+ obj->referenced = 1;
this->push_back (obj);
return obj;
}
/////////////////////////////////////////////////////////////////////////////
#ifdef USE_XIM
+
static void
#if XIMCB_PROTO_BROKEN
im_destroy_cb (XIC unused1, XPointer client_data, XPointer unused3)
display->im_change_cb ();
}
-bool rxvt_xim::init ()
+bool
+rxvt_xim::ref_init ()
{
display = GET_R->display; //HACK: TODO
- xim = XOpenIM (display->display, NULL, NULL, NULL);
+ xim = XOpenIM (display->dpy, 0, 0, 0);
if (!xim)
return false;
ximcallback.client_data = (XPointer)this;
ximcallback.callback = im_destroy_cb;
- XSetIMValues (xim, XNDestroyCallback, &ximcallback, NULL);
+ XSetIMValues (xim, XNDestroyCallback, &ximcallback, (char *)0);
return true;
}
if (xim)
XCloseIM (xim);
}
+
+#endif
+
+/////////////////////////////////////////////////////////////////////////////
+
+#if XFT
+rxvt_drawable::~rxvt_drawable ()
+{
+ if (xftdrawable)
+ XftDrawDestroy (xftdrawable);
+}
+
+rxvt_drawable::operator XftDraw *()
+{
+ if (!xftdrawable)
+ xftdrawable = XftDrawCreate (screen->dpy, drawable, screen->visual, screen->cmap);
+
+ return xftdrawable;
+}
#endif
/////////////////////////////////////////////////////////////////////////////
+#if XFT
+
+// not strictly necessary as it is only used with superclass of zero_initialised
+rxvt_screen::rxvt_screen ()
+: scratch_area (0)
+{
+}
+
+rxvt_drawable &rxvt_screen::scratch_drawable (int w, int h)
+{
+ // it's actually faster to re-allocate every time. don't ask me
+ // why, but its likely no big deal there are no roundtrips
+ // (I think/hope).
+ if (!scratch_area || w > scratch_w || h > scratch_h || 1/*D*/)
+ {
+ if (scratch_area)
+ {
+ XFreePixmap (dpy, scratch_area->drawable);
+ delete scratch_area;
+ }
+
+ Pixmap pm = XCreatePixmap (dpy, RootWindowOfScreen (ScreenOfDisplay (dpy, display->screen)),
+ scratch_w = w, scratch_h = h, depth);
+
+ scratch_area = new rxvt_drawable (this, pm);
+ }
+
+ return *scratch_area;
+}
+
+#endif
+
+void
+rxvt_screen::set (rxvt_display *disp)
+{
+ display = disp;
+ dpy = disp->dpy;
+
+ Screen *screen = ScreenOfDisplay (dpy, disp->screen);
+
+ depth = DefaultDepthOfScreen (screen);
+ visual = DefaultVisualOfScreen (screen);
+ cmap = DefaultColormapOfScreen (screen);
+}
+
+void
+rxvt_screen::select_visual (int bitdepth)
+{
+#if XFT
+ XVisualInfo vinfo;
+
+ if (XMatchVisualInfo (dpy, display->screen, bitdepth, TrueColor, &vinfo))
+ {
+ depth = bitdepth;
+ visual = vinfo.visual;
+ cmap = XCreateColormap (dpy, display->root, visual, AllocNone);
+ }
+#endif
+}
+
+void
+rxvt_screen::clear ()
+{
+#if XFT
+ if (scratch_area)
+ {
+ XFreePixmap (dpy, scratch_area->drawable);
+ delete scratch_area;
+ }
+#endif
+
+ if (cmap != DefaultColormapOfScreen (ScreenOfDisplay (dpy, display->screen)))
+ XFreeColormap (dpy, cmap);
+}
+
+/////////////////////////////////////////////////////////////////////////////
+
rxvt_display::rxvt_display (const char *id)
: refcounted (id)
-, x_ev (this, &rxvt_display::x_cb)
, selection_owner (0)
+, clipboard_owner (0)
{
+ x_ev .set<rxvt_display, &rxvt_display::x_cb > (this);
+ flush_ev.set<rxvt_display, &rxvt_display::flush_cb> (this);
}
-bool rxvt_display::init ()
+XrmDatabase
+rxvt_display::get_resources (bool refresh)
{
- display = XOpenDisplay (id);
+ char *homedir = getenv ("HOME");
+ char fname[1024];
- if (!display)
- return false;
+ /*
+ * get resources using the X library function
+ */
+ char *displayResource, *xe;
+ XrmDatabase rdb1, database = 0;
- screen = DefaultScreen (display);
- root = DefaultRootWindow (display);
- visual = DefaultVisual (display, screen);
- cmap = DefaultColormap (display, screen);
- depth = DefaultDepth (display, screen);
+ // for ordering, see for example http://www.faqs.org/faqs/Xt-FAQ/ Subject: 20
+ // as opposed to "standard practise", we always read in ~/.Xdefaults
- int fd = XConnectionNumber (display);
+ // 6. System wide per application default file.
-#ifndef NO_SLOW_LINK_SUPPORT
- // try to detetc wether we have a local connection.
- // assume unix domains socket == local, everything else not
- // TODO: might want to check for inet/127.0.0.1
- is_local = 0;
- sockaddr_un sa;
- socklen_t sl = sizeof (sa);
+ /* Add in $XAPPLRESDIR/Rxvt only; not bothering with XUSERFILESEARCHPATH */
+ if ((xe = getenv ("XAPPLRESDIR")))
+ {
+ snprintf (fname, sizeof (fname), "%s/%s", xe, RESCLASS);
- if (!getsockname (fd, (sockaddr *)&sa, &sl))
- is_local = sa.sun_family == AF_LOCAL;
+ if ((rdb1 = XrmGetFileDatabase (fname)))
+ XrmMergeDatabases (rdb1, &database);
+ }
+
+ // 5. User's per application default file.
+ // none
+
+ // 4. User's defaults file.
+ if (homedir)
+ {
+ snprintf (fname, sizeof (fname), "%s/.Xdefaults", homedir);
+
+ if ((rdb1 = XrmGetFileDatabase (fname)))
+ XrmMergeDatabases (rdb1, &database);
+ }
+
+ /* Get any Xserver defaults */
+ if (refresh)
+ {
+ // fucking xlib keeps a copy of the rm string
+ Atom actual_type;
+ int actual_format;
+ unsigned long nitems, nremaining;
+ char *val = 0;
+
+#if XLIB_ILLEGAL_ACCESS
+ if (dpy->xdefaults)
+ XFree (dpy->xdefaults);
#endif
+ if (XGetWindowProperty (dpy, RootWindow (dpy, 0), XA_RESOURCE_MANAGER,
+ 0L, 100000000L, False,
+ XA_STRING, &actual_type, &actual_format,
+ &nitems, &nremaining,
+ (unsigned char **)&val) == Success
+ && actual_type == XA_STRING
+ && actual_format == 8)
+ displayResource = val;
+ else
+ {
+ displayResource = 0;
+
+ if (val)
+ XFree(val);
+ }
+
+#if XLIB_ILLEGAL_ACCESS
+ dpy->xdefaults = displayResource;
+#endif
+ }
+ else
+ displayResource = XResourceManagerString (dpy);
+
+ if (displayResource)
+ {
+ if ((rdb1 = XrmGetStringDatabase (displayResource)))
+ XrmMergeDatabases (rdb1, &database);
+ }
+
+#if !XLIB_ILLEGAL_ACCESS
+ if (refresh && displayResource)
+ XFree (displayResource);
+#endif
+
+ /* Get screen specific resources */
+ displayResource = XScreenResourceString (ScreenOfDisplay (dpy, screen));
+
+ if (displayResource)
+ {
+ if ((rdb1 = XrmGetStringDatabase (displayResource)))
+ /* Merge with screen-independent resources */
+ XrmMergeDatabases (rdb1, &database);
+
+ XFree (displayResource);
+ }
+
+ // 3. User's per host defaults file
+ /* Add in XENVIRONMENT file */
+ if ((xe = getenv ("XENVIRONMENT"))
+ && (rdb1 = XrmGetFileDatabase (xe)))
+ XrmMergeDatabases (rdb1, &database);
+ else if (homedir)
+ {
+ struct utsname un;
+
+ if (!uname (&un))
+ {
+ snprintf (fname, sizeof (fname), "%s/.Xdefaults-%s", homedir, un.nodename);
+
+ if ((rdb1 = XrmGetFileDatabase (fname)))
+ XrmMergeDatabases (rdb1, &database);
+ }
+ }
+
+ return database;
+}
+
+bool rxvt_display::ref_init ()
+{
+#ifdef LOCAL_X_IS_UNIX
+ if (id[0] == ':')
+ {
+ if (!(val = rxvt_temp_buf<char> (5 + strlen (id) + 1)))
+ return false;
+ strcpy (val, "unix/");
+ strcat (val, id);
+ dpy = XOpenDisplay (val);
+ }
+ else
+#endif
+ dpy = 0;
+
+ if (!dpy)
+ dpy = XOpenDisplay (id);
+
+ if (!dpy)
+ return false;
+
+ screen = DefaultScreen (dpy);
+ root = DefaultRootWindow (dpy);
+
+ assert (sizeof (xa_names) / sizeof (char *) == NUM_XA);
+ XInternAtoms (dpy, (char **)xa_names, NUM_XA, False, xa);
+
+ XrmSetDatabase (dpy, get_resources (false));
+
#ifdef POINTER_BLANK
XColor blackcolour;
blackcolour.red = 0;
blackcolour.green = 0;
blackcolour.blue = 0;
- Font f = XLoadFont (display, "fixed");
- blank_cursor = XCreateGlyphCursor (display, f, f, ' ', ' ',
+ Font f = XLoadFont (dpy, "fixed");
+ blank_cursor = XCreateGlyphCursor (dpy, f, f, ' ', ' ',
&blackcolour, &blackcolour);
- XUnloadFont (display, f);
+ XUnloadFont (dpy, f);
#endif
-#ifdef PREFER_24BIT
- /*
- * If depth is not 24, look for a 24bit visual.
- */
- if (depth != 24)
- {
- XVisualInfo vinfo;
+ int fd = XConnectionNumber (dpy);
- if (XMatchVisualInfo (display, screen, 24, TrueColor, &vinfo))
- {
- depth = 24;
- visual = vinfo.visual;
- cmap = XCreateColormap (display,
- RootWindow (display, screen),
- visual, AllocNone);
- }
- }
-#endif
+ // try to detect whether we have a local connection.
+ // assume unix domain socket == local, everything else not
+ // TODO: might want to check for inet/127.0.0.1
+ is_local = 0;
+ sockaddr_un sa;
+ socklen_t sl = sizeof (sa);
- x_ev.start (fd, EVENT_READ);
+ if (!getsockname (fd, (sockaddr *)&sa, &sl))
+ is_local = sa.sun_family == AF_UNIX;
+
+ flush_ev.start ();
+ x_ev.start (fd, ev::READ);
fcntl (fd, F_SETFD, FD_CLOEXEC);
- XSelectInput (display, root, PropertyChangeMask);
-#ifdef USE_XIM
- xa_xim_servers = XInternAtom (display, "XIM_SERVERS", 0);
-#endif
+ XSelectInput (dpy, root, PropertyChangeMask);
flush ();
return true;
}
+void
+rxvt_display::ref_next ()
+{
+ // TODO: somehow check whether the database files/resources changed
+ // before affording re-loading/parsing
+ XrmDestroyDatabase (XrmGetDatabase (dpy));
+ XrmSetDatabase (dpy, get_resources (true));
+}
+
rxvt_display::~rxvt_display ()
{
+ if (!dpy)
+ return;
+
+#ifdef POINTER_BLANK
+ XFreeCursor (dpy, blank_cursor);
+#endif
x_ev.stop ();
+ flush_ev.stop ();
#ifdef USE_XIM
xims.clear ();
#endif
-
- if (display)
- XCloseDisplay (display);
+ XCloseDisplay (dpy);
}
#ifdef USE_XIM
int actual_format;
unsigned long nitems, bytes_after;
- if (XGetWindowProperty (display, root, xa_xim_servers, 0L, 1000000L,
+ if (XGetWindowProperty (dpy, root, xa[XA_XIM_SERVERS], 0L, 1000000L,
False, XA_ATOM, &actual_type, &actual_format,
&nitems, &bytes_after, (unsigned char **)&atoms)
!= Success )
if (actual_type == XA_ATOM && actual_format == 32)
for (int i = 0; i < nitems; i++)
- if (XGetSelectionOwner (display, atoms[i]))
+ if (XGetSelectionOwner (dpy, atoms[i]))
{
im_change_cb ();
break;
}
#endif
-void rxvt_display::x_cb (io_watcher &w, short revents)
+void rxvt_display::x_cb (ev::io &w, int revents)
{
- do
- {
- XEvent xev;
- XNextEvent (display, &xev);
+ flush_ev.start ();
+}
-#ifdef USE_XIM
- if (!XFilterEvent (&xev, None))
- {
+void rxvt_display::flush_cb (ev::prepare &w, int revents)
+{
+ while (XEventsQueued (dpy, QueuedAfterFlush))
+ do
+ {
+ XEvent xev;
+ XNextEvent (dpy, &xev);
- if (xev.type == PropertyNotify
- && xev.xany.window == root
- && xev.xproperty.atom == xa_xim_servers)
- im_change_check ();
+#ifdef USE_XIM
+ if (!XFilterEvent (&xev, None))
+ {
+ if (xev.type == PropertyNotify
+ && xev.xany.window == root
+ && xev.xproperty.atom == xa[XA_XIM_SERVERS])
+ im_change_check ();
#endif
- for (int i = xw.size (); i--; )
- {
- if (!xw[i])
- xw.erase_unordered (i);
- else if (xw[i]->window == xev.xany.window)
- xw[i]->call (xev);
- }
+ if (xev.type == MappingNotify)
+ XRefreshKeyboardMapping (&xev.xmapping);
+
+ for (int i = xw.size (); i--; )
+ {
+ if (!xw[i])
+ xw.erase_unordered (i);
+ else if (xw[i]->window == xev.xany.window)
+ xw[i]->call (xev);
+ }
#ifdef USE_XIM
- }
+ }
#endif
- }
- while (XEventsQueued (display, QueuedAlready));
+ }
+ while (XEventsQueued (dpy, QueuedAlready));
- XFlush (display);
-}
-
-void rxvt_display::flush ()
-{
- if (XEventsQueued (display, QueuedAlready))
- x_cb (x_ev, EVENT_READ);
-
- XFlush (display);
+ w.stop ();
}
void rxvt_display::reg (xevent_watcher *w)
{
- xw.push_back (w);
- w->active = xw.size ();
+ if (!w->active)
+ {
+ xw.push_back (w);
+ w->active = xw.size ();
+ }
}
void rxvt_display::unreg (xevent_watcher *w)
{
if (w->active)
- xw[w->active - 1] = 0;
+ {
+ xw[w->active - 1] = 0;
+ w->active = 0;
+ }
}
-void rxvt_display::set_selection_owner (rxvt_term *owner)
+void rxvt_display::set_selection_owner (rxvt_term *owner, bool clipboard)
{
- if (selection_owner && selection_owner != owner)
- selection_owner->selection_clear ();
+ rxvt_term * &cur_owner = !clipboard ? selection_owner : clipboard_owner;
+
+ if (cur_owner && cur_owner != owner)
+ {
+ rxvt_term *term = cur_owner;
+ term->selection_clear (clipboard);
+ term->flush ();
+ }
- selection_owner = owner;
+ cur_owner = owner;
}
#ifdef USE_XIM
+
void rxvt_display::reg (im_watcher *w)
{
imw.push_back (w);
l = strlen (locale);
m = strlen (modifiers);
- if (!(id = (char *)malloc (l + m + 2)))
+ if (!(id = rxvt_temp_buf<char> (l + m + 2)))
return 0;
memcpy (id, locale, l); id[l] = '\n';
rxvt_xim *xim = xims.get (id);
- free (id);
-
return xim;
}
void rxvt_display::put_xim (rxvt_xim *xim)
{
-#if XLIB_IS_RACEFREE
+# if XLIB_IS_RACEFREE
xims.put (xim);
-#endif
+# endif
}
+
#endif
Atom rxvt_display::atom (const char *name)
{
- return XInternAtom (display, name, False);
+ return XInternAtom (dpy, name, False);
}
/////////////////////////////////////////////////////////////////////////////
refcache<rxvt_display> displays;
/////////////////////////////////////////////////////////////////////////////
-
+//
+
+static unsigned int
+insert_component (unsigned int value, unsigned int mask, unsigned int shift)
+{
+ return (value * (mask + 1) >> 16) << shift;
+}
+
bool
-rxvt_color::set (rxvt_display *display, Pixel p)
+rxvt_color::alloc (rxvt_screen *screen, const rgba &color)
{
-#if XFT
- XColor xc;
+ //TODO: only supports 24 bit
+ int alpha = color.a >= 0xff00 ? 0xffff : color.a;
- xc.pixel = p;
- if (!XQueryColor (display->display, display->cmap, &xc))
- return false;
+#if XFT
+ XRenderPictFormat *format;
- XRenderColor d;
+ // FUCKING Xft gets it wrong, of course, so work around it.
+ // Transparency users should eat shit and die, and then
+ // XRenderQueryPictIndexValues themselves plenty.
+ if ((screen->visual->c_class == TrueColor)
+ && (format = XRenderFindVisualFormat (screen->dpy, screen->visual)))
+ {
+ // the fun lies in doing everything manually...
+ c.color.red = color.r;
+ c.color.green = color.g;
+ c.color.blue = color.b;
+ c.color.alpha = alpha;
+
+ c.pixel = insert_component (color.r, format->direct.redMask , format->direct.red )
+ | insert_component (color.g, format->direct.greenMask, format->direct.green)
+ | insert_component (color.b, format->direct.blueMask , format->direct.blue )
+ | insert_component (alpha , format->direct.alphaMask, format->direct.alpha);
+
+ return true;
+ }
+ else
+ {
+ XRenderColor d;
- d.red = xc.red;
- d.green = xc.green;
- d.blue = xc.blue;
- d.alpha = 0xffff;
+ d.red = color.r;
+ d.green = color.g;
+ d.blue = color.b;
+ d.alpha = alpha;
- return
- XftColorAllocValue (display->display,
- display->visual,
- display->cmap,
- &d, &c);
+ return XftColorAllocValue (screen->dpy, screen->visual, screen->cmap, &d, &c);
+ }
#else
- this->p = p;
+ c.red = color.r;
+ c.green = color.g;
+ c.blue = color.b;
+
+ if (screen->visual->c_class == TrueColor)
+ {
+ c.pixel = (color.r >> (16 - rxvt_popcount (screen->visual->red_mask )) << rxvt_ctz (screen->visual->red_mask ))
+ | (color.g >> (16 - rxvt_popcount (screen->visual->green_mask)) << rxvt_ctz (screen->visual->green_mask))
+ | (color.b >> (16 - rxvt_popcount (screen->visual->blue_mask )) << rxvt_ctz (screen->visual->blue_mask ));
+
+ return true;
+ }
+ else if (XAllocColor (screen->dpy, screen->cmap, &c))
+ return true;
+ else
+ c.pixel = (color.r + color.g + color.b) > 128*3
+ ? WhitePixelOfScreen (DefaultScreenOfDisplay (screen->dpy))
+ : BlackPixelOfScreen (DefaultScreenOfDisplay (screen->dpy));
#endif
- return true;
+ return false;
}
bool
-rxvt_color::set (rxvt_display *display, const char *name)
+rxvt_color::set (rxvt_screen *screen, const char *name)
{
-#if XFT
- return XftColorAllocName (display->display, display->visual, display->cmap,
- name, &c);
-#else
- XColor xc;
+ rgba c;
+ char eos;
+ int skip;
- if (XParseColor (display->display, display->cmap, name, &xc))
- return set (display, xc.red, xc.green, xc.blue);
+ c.a = rgba::MAX_CC;
- return false;
-#endif
+ // parse the nonstandard "[alphapercent]" prefix
+ if (1 <= sscanf (name, "[%hd]%n", &c.a, &skip))
+ {
+ c.a = lerp<int, int, int> (0, rgba::MAX_CC, c.a);
+ name += skip;
+ }
+
+ // parse the non-standard "rgba:rrrr/gggg/bbbb/aaaa" format
+ if (strlen (name) != 4+5*4 || 4 != sscanf (name, "rgba:%4hx/%4hx/%4hx/%4hx%c", &c.r, &c.g, &c.b, &c.a, &eos))
+ {
+ XColor xc;
+
+ if (XParseColor (screen->dpy, screen->cmap, name, &xc))
+ {
+ c.r = xc.red;
+ c.g = xc.green;
+ c.b = xc.blue;
+ }
+ else
+ {
+ c.r = 0xffff;
+ c.g = 0x6969;
+ c.b = 0xb4b4;
+
+ rxvt_warn ("unable to parse color '%s', using pink instead.\n", name);
+ }
+ }
+
+ return set (screen, c);
}
bool
-rxvt_color::set (rxvt_display *display, unsigned short cr, unsigned short cg, unsigned short cb)
+rxvt_color::set (rxvt_screen *screen, const rgba &color)
{
- XColor xc;
+ bool got = alloc (screen, color);
+
+#if !ENABLE_MINIMAL
+ int cmap_size = screen->visual->map_entries;
- xc.red = cr;
- xc.green = cg;
- xc.blue = cb;
- xc.flags = DoRed | DoGreen | DoBlue;
+ if (!got
+ && screen->visual->c_class == PseudoColor
+ && cmap_size < 4096)
+ {
+ XColor *colors = new XColor [screen->visual->map_entries];
- if (XAllocColor (display->display, display->cmap, &xc))
- return set (display, xc.pixel);
+ for (int i = 0; i < cmap_size; i++)
+ colors [i].pixel = i;
- return false;
+ // many kilobytes transfer per colour, but pseudocolor isn't worth
+ // many extra optimisations.
+ XQueryColors (screen->dpy, screen->cmap, colors, cmap_size);
+
+ int diff = 0x7fffffffUL;
+ XColor *best = colors;
+
+ for (int i = 0; i < cmap_size; i++)
+ {
+ int d = (squared_diff<int> (color.r >> 2, colors [i].red >> 2))
+ + (squared_diff<int> (color.g >> 2, colors [i].green >> 2))
+ + (squared_diff<int> (color.b >> 2, colors [i].blue >> 2));
+
+ if (d < diff)
+ {
+ diff = d;
+ best = colors + i;
+ }
+ }
+
+ //rxvt_warn ("could not allocate %04x %04x %04x, getting %04x %04x %04x instead (%d)\n",
+ // color.r, color.g, color.b, best->red, best->green, best->blue, diff);
+
+ got = alloc (screen, rgba (best->red, best->green, best->blue));
+
+ delete [] colors;
+ }
+#endif
+
+ return got;
}
-void
-rxvt_color::get (rxvt_display *display, unsigned short &cr, unsigned short &cg, unsigned short &cb)
+void
+rxvt_color::get (rgba &color)
{
#if XFT
- cr = c.color.red;
- cg = c.color.green;
- cb = c.color.blue;
+ color.r = c.color.red;
+ color.g = c.color.green;
+ color.b = c.color.blue;
+ color.a = c.color.alpha;
#else
- XColor c;
+ color.r = c.red;
+ color.g = c.green;
+ color.b = c.blue;
+ color.a = rgba::MAX_CC;
+#endif
+}
- c.pixel = p;
- XQueryColor (display->display, display->cmap, &c);
+void
+rxvt_color::get (XColor &color)
+{
+ rgba c;
+ get (c);
- cr = c.red;
- cg = c.green;
- cb = c.blue;
-#endif
+ color.red = c.r;
+ color.green = c.g;
+ color.blue = c.b;
+ color.pixel = (Pixel)*this;
}
-void
-rxvt_color::free (rxvt_display *display)
+void
+rxvt_color::free (rxvt_screen *screen)
{
+ if (screen->visual->c_class == TrueColor)
+ return; // nothing to do
+
#if XFT
- XftColorFree (display->display, display->visual, display->cmap, &c);
+ XftColorFree (screen->dpy, screen->visual, screen->cmap, &c);
#else
- XFreeColors (display->display, display->cmap, &p, 1, AllPlanes);
+ XFreeColors (screen->dpy, screen->cmap, &c.pixel, 1, AllPlanes);
#endif
}
-rxvt_color
-rxvt_color::fade (rxvt_display *display, int percent)
+void
+rxvt_color::fade (rxvt_screen *screen, int percent, rxvt_color &result, const rgba &to)
{
- unsigned short cr, cg, cb;
- rxvt_color faded;
-
- get (display, cr, cg, cb);
- faded.set (display,
- cr * percent / 100,
- cg * percent / 100,
- cb * percent / 100);
+ rgba c;
+ get (c);
+
+ result.set (
+ screen,
+ rgba (
+ lerp (c.r, to.r, percent),
+ lerp (c.g, to.g, percent),
+ lerp (c.b, to.b, percent),
+ lerp (c.a, to.a, percent)
+ )
+ );
+}
- return faded;
+#if TRACE_PIXMAPS
+# undef XCreatePixmap
+# undef XFreePixmap
+Pixmap trace_XCreatePixmap (const char *file, int line, Display *dpy, Window r, unsigned int w, unsigned int h, unsigned int d)
+{
+ Pixmap res = XCreatePixmap (dpy, r, w, h, d);
+ fprintf (stderr, "%s:%d: XCreatePixmap (%p,%lX,%u,%u,%u) returned %lX\n", file, line, dpy, r, w, h, d, res);
+ return res;
}
+void trace_XFreePixmap (const char *file, int line, Display *dpy, Pixmap p)
+{
+ fprintf (stderr, "%s:%d: XFreePixmap (%p,%lX)\n", file, line, dpy, p);
+ XFreePixmap (dpy,p);
+}
+#endif