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/*--------------------------------*-C-*---------------------------------* |
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* File: rxvtcolor.C |
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*----------------------------------------------------------------------* |
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* |
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* All portions of code are copyright by their respective author/s. |
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* Copyright (c) 2003-2004 Marc Lehmann <pcg@goof.com> |
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* |
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* This program is free software; you can redistribute it and/or modify |
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* it under the terms of the GNU General Public License as published by |
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* the Free Software Foundation; either version 2 of the License, or |
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* (at your option) any later version. |
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* |
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* This program is distributed in the hope that it will be useful, |
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* but WITHOUT ANY WARRANTY; without even the implied warranty of |
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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* GNU General Public License for more details. |
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* |
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* You should have received a copy of the GNU General Public License |
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* along with this program; if not, write to the Free Software |
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* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. |
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*----------------------------------------------------------------------*/ |
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|
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#include "../config.h" |
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#include <rxvt.h> |
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#include <rxvttoolkit.h> |
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|
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#include <unistd.h> |
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#include <fcntl.h> |
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|
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#ifndef NO_SLOW_LINK_SUPPORT |
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# include <sys/socket.h> |
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# include <sys/un.h> |
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#endif |
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|
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refcounted::refcounted (const char *id) |
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{ |
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this->id = STRDUP (id); |
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} |
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|
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refcounted::~refcounted () |
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{ |
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free (id); |
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} |
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|
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template<class T> |
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T *refcache<T>::get (const char *id) |
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{ |
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for (T **i = this->begin (); i < this->end (); ++i) |
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{ |
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if (!strcmp (id, (*i)->id)) |
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{ |
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(*i)->referenced++; |
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return *i; |
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} |
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} |
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|
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T *obj = new T (id); |
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|
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obj->referenced = 1; |
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|
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if (obj && obj->init ()) |
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{ |
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this->push_back (obj); |
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return obj; |
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} |
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else |
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{ |
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delete obj; |
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return 0; |
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} |
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} |
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|
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template<class T> |
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void refcache<T>::put (T *obj) |
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{ |
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if (!obj) |
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return; |
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|
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if (!--obj->referenced) |
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{ |
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this->erase (find (this->begin (), this->end (), obj)); |
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delete obj; |
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} |
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} |
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|
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template<class T> |
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refcache<T>::~refcache () |
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{ |
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while (this->size ()) |
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put (*this->begin ()); |
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} |
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|
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///////////////////////////////////////////////////////////////////////////// |
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|
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#ifdef USE_XIM |
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static void |
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#if XIMCB_PROTO_BROKEN |
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im_destroy_cb (XIC unused1, XPointer client_data, XPointer unused3) |
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#else |
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im_destroy_cb (XIM unused1, XPointer client_data, XPointer unused3) |
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#endif |
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{ |
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rxvt_xim *xim = (rxvt_xim *)client_data; |
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rxvt_display *display = xim->display; |
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|
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display->xims.erase (find (display->xims.begin (), display->xims.end (), xim)); |
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|
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display->im_change_cb (); |
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} |
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|
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bool rxvt_xim::init () |
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{ |
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display = GET_R->display; //HACK: TODO |
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|
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xim = XOpenIM (display->display, NULL, NULL, NULL); |
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|
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if (!xim) |
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return false; |
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|
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XIMCallback ximcallback; |
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ximcallback.client_data = (XPointer)this; |
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ximcallback.callback = im_destroy_cb; |
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|
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XSetIMValues (xim, XNDestroyCallback, &ximcallback, NULL); |
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|
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return true; |
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} |
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|
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rxvt_xim::~rxvt_xim () |
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{ |
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if (xim) |
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XCloseIM (xim); |
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} |
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#endif |
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|
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///////////////////////////////////////////////////////////////////////////// |
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|
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rxvt_display::rxvt_display (const char *id) |
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: refcounted (id) |
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, x_ev (this, &rxvt_display::x_cb) |
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, selection_owner (0) |
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{ |
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} |
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|
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bool rxvt_display::init () |
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{ |
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display = XOpenDisplay (id); |
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|
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if (!display) |
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return false; |
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|
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screen = DefaultScreen (display); |
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root = DefaultRootWindow (display); |
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visual = DefaultVisual (display, screen); |
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cmap = DefaultColormap (display, screen); |
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depth = DefaultDepth (display, screen); |
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|
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int fd = XConnectionNumber (display); |
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|
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#ifndef NO_SLOW_LINK_SUPPORT |
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// try to detetc wether we have a local connection. |
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// assume unix domains socket == local, everything else not |
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// TODO: might want to check for inet/127.0.0.1 |
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is_local = 0; |
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sockaddr_un sa; |
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socklen_t sl = sizeof (sa); |
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|
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if (!getsockname (fd, (sockaddr *)&sa, &sl)) |
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is_local = sa.sun_family == AF_LOCAL; |
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#endif |
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|
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#ifdef PREFER_24BIT |
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/* |
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* If depth is not 24, look for a 24bit visual. |
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*/ |
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if (depth != 24) |
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{ |
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XVisualInfo vinfo; |
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|
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if (XMatchVisualInfo (display, screen, 24, TrueColor, &vinfo)) |
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{ |
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depth = 24; |
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visual = vinfo.visual; |
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cmap = XCreateColormap (display, |
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RootWindow (display, screen), |
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visual, AllocNone); |
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} |
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} |
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#endif |
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|
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x_ev.start (fd, EVENT_READ); |
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fcntl (fd, F_SETFD, FD_CLOEXEC); |
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|
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XSelectInput (display, root, PropertyChangeMask); |
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#ifdef USE_XIM |
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xa_xim_servers = XInternAtom (display, "XIM_SERVERS", 0); |
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#endif |
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|
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flush (); |
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|
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return true; |
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} |
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|
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rxvt_display::~rxvt_display () |
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{ |
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x_ev.stop (); |
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|
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if (display) |
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XCloseDisplay (display); |
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} |
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|
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#ifdef USE_XIM |
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void rxvt_display::im_change_cb () |
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{ |
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for (im_watcher **i = imw.begin (); i != imw.end (); ++i) |
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(*i)->call (); |
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} |
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#endif |
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|
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void rxvt_display::x_cb (io_watcher &w, short revents) |
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{ |
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do |
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{ |
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XEvent xev; |
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XNextEvent (display, &xev); |
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|
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//printf ("T %d w %lx\n", xev.type, xev.xany.window);//D |
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|
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#ifdef USE_XIM |
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if (xev.type == PropertyNotify |
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&& xev.xany.window == root |
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&& xev.xproperty.atom == xa_xim_servers) |
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im_change_cb (); |
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#endif |
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|
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for (int i = xw.size (); i--; ) |
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{ |
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if (!xw[i]) |
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xw.erase_unordered (i); |
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else if (xw[i]->window == xev.xany.window) |
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xw[i]->call (xev); |
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} |
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} |
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while (XPending (display)); |
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|
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flush (); |
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} |
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|
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void rxvt_display::flush () |
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{ |
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for (;;) |
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{ |
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if (!XPending (display)) |
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break; |
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|
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x_cb (x_ev, 0); |
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} |
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} |
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|
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void rxvt_display::reg (xevent_watcher *w) |
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{ |
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xw.push_back (w); |
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w->active = xw.size (); |
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} |
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|
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void rxvt_display::unreg (xevent_watcher *w) |
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{ |
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if (w->active) |
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xw[w->active - 1] = 0; |
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} |
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|
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void rxvt_display::set_selection_owner (rxvt_term *owner) |
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{ |
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if (selection_owner && selection_owner != owner) |
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selection_owner->selection_clear (); |
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|
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selection_owner = owner; |
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} |
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|
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#ifdef USE_XIM |
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void rxvt_display::reg (im_watcher *w) |
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{ |
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imw.push_back (w); |
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} |
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|
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void rxvt_display::unreg (im_watcher *w) |
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{ |
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imw.erase (find (imw.begin (), imw.end (), w)); |
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} |
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|
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rxvt_xim *rxvt_display::get_xim (const char *locale, const char *modifiers) |
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{ |
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char *id; |
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int l, m; |
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|
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l = strlen (locale); |
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m = strlen (modifiers); |
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|
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if (!(id = (char *)malloc (l + m + 2))) |
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return 0; |
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|
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memcpy (id, locale, l); id[l] = '\n'; |
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memcpy (id + l + 1, modifiers, m); id[l + m + 1] = 0; |
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|
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rxvt_xim *xim = xims.get (id); |
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|
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free (id); |
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|
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return xim; |
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} |
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|
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void rxvt_display::put_xim (rxvt_xim *xim) |
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{ |
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xims.put (xim); |
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} |
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#endif |
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|
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Atom rxvt_display::atom (const char *name) |
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{ |
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return XInternAtom (display, name, False); |
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} |
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|
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///////////////////////////////////////////////////////////////////////////// |
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|
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template class refcache<rxvt_display>; |
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refcache<rxvt_display> displays; |
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|
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///////////////////////////////////////////////////////////////////////////// |
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|
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bool |
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rxvt_color::set (rxvt_display *display, Pixel p) |
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{ |
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#if XFT |
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XColor xc; |
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|
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xc.pixel = p; |
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if (!XQueryColor (display->display, display->cmap, &xc)) |
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return false; |
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|
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XRenderColor d; |
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|
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d.red = xc.red; |
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d.green = xc.green; |
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d.blue = xc.blue; |
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d.alpha = 0xffff; |
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|
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return |
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XftColorAllocValue (display->display, |
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display->visual, |
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display->cmap, |
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&d, &c); |
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#else |
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this->p = p; |
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#endif |
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|
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return true; |
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} |
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|
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bool |
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rxvt_color::set (rxvt_display *display, const char *name) |
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{ |
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XColor xc; |
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|
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if (XParseColor (display->display, display->cmap, name, &xc)) |
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return set (display, xc.red, xc.green, xc.blue); |
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|
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return false; |
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} |
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|
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bool |
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rxvt_color::set (rxvt_display *display, unsigned short cr, unsigned short cg, unsigned short cb) |
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{ |
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XColor xc; |
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|
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xc.red = cr; |
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xc.green = cg; |
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xc.blue = cb; |
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xc.flags = DoRed | DoGreen | DoBlue; |
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|
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if (XAllocColor (display->display, display->cmap, &xc)) |
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return set (display, xc.pixel); |
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|
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return false; |
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} |
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|
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void |
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rxvt_color::get (rxvt_display *display, unsigned short &cr, unsigned short &cg, unsigned short &cb) |
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{ |
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#if XFT |
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cr = c.color.red; |
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cg = c.color.green; |
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cb = c.color.blue; |
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#else |
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XColor c; |
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|
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c.pixel = p; |
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XQueryColor (display->display, display->cmap, &c); |
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|
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cr = c.red; |
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cg = c.green; |
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cb = c.blue; |
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#endif |
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} |
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|
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void |
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rxvt_color::free (rxvt_display *display) |
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{ |
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#if XFT |
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XftColorFree (display->display, display->visual, display->cmap, &c); |
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#else |
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XFreeColors (display->display, display->cmap, &p, 1, AllPlanes); |
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#endif |
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} |
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|
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rxvt_color |
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rxvt_color::fade (rxvt_display *display, int percent) |
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{ |
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unsigned short cr, cg, cb; |
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rxvt_color faded; |
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|
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get (display, cr, cg, cb); |
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faded.set (display, |
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cr * percent / 100, |
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cg * percent / 100, |
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cb * percent / 100); |
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|
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return faded; |
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} |
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|
