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1.1 |
/*--------------------------------*-C-*---------------------------------* |
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root |
1.5 |
* File: rxvttoolkit.C |
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1.1 |
*----------------------------------------------------------------------* |
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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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#include "../config.h" |
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#include <rxvt.h> |
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#include <rxvttoolkit.h> |
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#include <unistd.h> |
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#include <fcntl.h> |
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1.23 |
#include <sys/utsname.h> |
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1.1 |
#ifndef NO_SLOW_LINK_SUPPORT |
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# include <sys/socket.h> |
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# include <sys/un.h> |
35 |
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#endif |
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refcounted::refcounted (const char *id) |
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{ |
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1.2 |
this->id = strdup (id); |
40 |
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1.1 |
} |
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refcounted::~refcounted () |
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{ |
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free (id); |
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} |
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template<class T> |
48 |
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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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{ |
52 |
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if (!strcmp (id, (*i)->id)) |
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{ |
54 |
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1.23 |
++(*i)->referenced; |
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(*i)->ref_next (); |
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1.1 |
return *i; |
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} |
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} |
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T *obj = new T (id); |
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1.23 |
if (obj && obj->ref_init ()) |
63 |
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1.1 |
{ |
64 |
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1.23 |
obj->referenced = 1; |
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1.1 |
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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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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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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template<class T> |
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1.12 |
void refcache<T>::clear () |
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1.1 |
{ |
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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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#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 |
104 |
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{ |
105 |
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rxvt_xim *xim = (rxvt_xim *)client_data; |
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rxvt_display *display = xim->display; |
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1.5 |
xim->xim = 0; |
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1.1 |
display->xims.erase (find (display->xims.begin (), display->xims.end (), xim)); |
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display->im_change_cb (); |
112 |
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} |
113 |
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1.23 |
bool |
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rxvt_xim::ref_init () |
116 |
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1.1 |
{ |
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display = GET_R->display; //HACK: TODO |
118 |
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xim = XOpenIM (display->display, NULL, NULL, NULL); |
120 |
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121 |
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if (!xim) |
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return false; |
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XIMCallback ximcallback; |
125 |
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ximcallback.client_data = (XPointer)this; |
126 |
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ximcallback.callback = im_destroy_cb; |
127 |
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128 |
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XSetIMValues (xim, XNDestroyCallback, &ximcallback, NULL); |
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return true; |
131 |
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} |
132 |
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133 |
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rxvt_xim::~rxvt_xim () |
134 |
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{ |
135 |
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if (xim) |
136 |
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XCloseIM (xim); |
137 |
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} |
138 |
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#endif |
139 |
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140 |
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///////////////////////////////////////////////////////////////////////////// |
141 |
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142 |
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rxvt_display::rxvt_display (const char *id) |
143 |
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: refcounted (id) |
144 |
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, x_ev (this, &rxvt_display::x_cb) |
145 |
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, selection_owner (0) |
146 |
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{ |
147 |
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} |
148 |
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149 |
root |
1.23 |
XrmDatabase |
150 |
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rxvt_display::get_resources () |
151 |
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{ |
152 |
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char *homedir = (char *)getenv ("HOME"); |
153 |
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char fname[1024]; |
154 |
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155 |
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/* |
156 |
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* get resources using the X library function |
157 |
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*/ |
158 |
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char *displayResource, *xe; |
159 |
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XrmDatabase database, rdb1; |
160 |
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161 |
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database = NULL; |
162 |
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163 |
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// for ordering, see for example http://www.faqs.org/faqs/Xt-FAQ/ Subject: 20 |
164 |
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165 |
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// 6. System wide per application default file. |
166 |
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167 |
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/* Add in $XAPPLRESDIR/Rxvt only; not bothering with XUSERFILESEARCHPATH */ |
168 |
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if ((xe = (char *)getenv ("XAPPLRESDIR"))) |
169 |
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{ |
170 |
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snprintf (fname, sizeof (fname), "%s/%s", xe, RESCLASS); |
171 |
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172 |
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if ((rdb1 = XrmGetFileDatabase (fname))) |
173 |
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XrmMergeDatabases (rdb1, &database); |
174 |
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} |
175 |
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176 |
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// 5. User's per application default file. |
177 |
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// none |
178 |
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179 |
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// 4. User's defaults file. |
180 |
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/* Get any Xserver defaults */ |
181 |
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displayResource = XResourceManagerString (display); |
182 |
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183 |
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if (displayResource != NULL) |
184 |
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{ |
185 |
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if ((rdb1 = XrmGetStringDatabase (displayResource))) |
186 |
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XrmMergeDatabases (rdb1, &database); |
187 |
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} |
188 |
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else if (homedir) |
189 |
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{ |
190 |
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snprintf (fname, sizeof (fname), "%s/.Xdefaults", homedir); |
191 |
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192 |
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if ((rdb1 = XrmGetFileDatabase (fname))) |
193 |
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XrmMergeDatabases (rdb1, &database); |
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} |
195 |
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196 |
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/* Get screen specific resources */ |
197 |
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displayResource = XScreenResourceString (ScreenOfDisplay (display, screen)); |
198 |
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199 |
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if (displayResource != NULL) |
200 |
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{ |
201 |
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if ((rdb1 = XrmGetStringDatabase (displayResource))) |
202 |
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/* Merge with screen-independent resources */ |
203 |
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XrmMergeDatabases (rdb1, &database); |
204 |
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205 |
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XFree (displayResource); |
206 |
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} |
207 |
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208 |
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// 3. User's per host defaults file |
209 |
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/* Add in XENVIRONMENT file */ |
210 |
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if ((xe = (char *)getenv ("XENVIRONMENT")) |
211 |
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&& (rdb1 = XrmGetFileDatabase (xe))) |
212 |
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XrmMergeDatabases (rdb1, &database); |
213 |
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else if (homedir) |
214 |
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{ |
215 |
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struct utsname un; |
216 |
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217 |
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if (!uname (&un)) |
218 |
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{ |
219 |
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snprintf (fname, sizeof (fname), "%s/.Xdefaults-%s", homedir, un.nodename); |
220 |
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221 |
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if ((rdb1 = XrmGetFileDatabase (fname))) |
222 |
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XrmMergeDatabases (rdb1, &database); |
223 |
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} |
224 |
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} |
225 |
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226 |
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return database; |
227 |
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} |
228 |
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229 |
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bool rxvt_display::ref_init () |
230 |
root |
1.1 |
{ |
231 |
root |
1.14 |
#ifdef LOCAL_X_IS_UNIX |
232 |
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if (id[0] == ':') |
233 |
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{ |
234 |
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val = rxvt_malloc (5 + strlen (id) + 1); |
235 |
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strcpy (val, "unix/"); |
236 |
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strcat (val, id); |
237 |
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display = XOpenDisplay (val); |
238 |
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free (val); |
239 |
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} |
240 |
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else |
241 |
root |
1.15 |
#endif |
242 |
root |
1.14 |
display = 0; |
243 |
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244 |
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if (!display) |
245 |
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display = XOpenDisplay (id); |
246 |
root |
1.1 |
|
247 |
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if (!display) |
248 |
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return false; |
249 |
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250 |
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screen = DefaultScreen (display); |
251 |
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root = DefaultRootWindow (display); |
252 |
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visual = DefaultVisual (display, screen); |
253 |
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cmap = DefaultColormap (display, screen); |
254 |
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depth = DefaultDepth (display, screen); |
255 |
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256 |
root |
1.23 |
XrmSetDatabase (display, get_resources ()); |
257 |
root |
1.1 |
|
258 |
root |
1.12 |
#ifdef POINTER_BLANK |
259 |
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XColor blackcolour; |
260 |
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blackcolour.red = 0; |
261 |
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blackcolour.green = 0; |
262 |
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blackcolour.blue = 0; |
263 |
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Font f = XLoadFont (display, "fixed"); |
264 |
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blank_cursor = XCreateGlyphCursor (display, f, f, ' ', ' ', |
265 |
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&blackcolour, &blackcolour); |
266 |
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XUnloadFont (display, f); |
267 |
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#endif |
268 |
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269 |
root |
1.1 |
#ifdef PREFER_24BIT |
270 |
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/* |
271 |
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* If depth is not 24, look for a 24bit visual. |
272 |
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*/ |
273 |
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if (depth != 24) |
274 |
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{ |
275 |
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XVisualInfo vinfo; |
276 |
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|
277 |
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if (XMatchVisualInfo (display, screen, 24, TrueColor, &vinfo)) |
278 |
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{ |
279 |
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depth = 24; |
280 |
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visual = vinfo.visual; |
281 |
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cmap = XCreateColormap (display, |
282 |
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RootWindow (display, screen), |
283 |
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visual, AllocNone); |
284 |
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} |
285 |
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} |
286 |
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#endif |
287 |
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|
288 |
root |
1.23 |
int fd = XConnectionNumber (display); |
289 |
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|
290 |
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#ifndef NO_SLOW_LINK_SUPPORT |
291 |
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// try to detect wether we have a local connection. |
292 |
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// assume unix domains socket == local, everything else not |
293 |
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// TODO: might want to check for inet/127.0.0.1 |
294 |
|
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is_local = 0; |
295 |
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sockaddr_un sa; |
296 |
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socklen_t sl = sizeof (sa); |
297 |
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|
298 |
|
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if (!getsockname (fd, (sockaddr *)&sa, &sl)) |
299 |
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is_local = sa.sun_family == AF_LOCAL; |
300 |
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#endif |
301 |
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|
302 |
root |
1.1 |
x_ev.start (fd, EVENT_READ); |
303 |
|
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fcntl (fd, F_SETFD, FD_CLOEXEC); |
304 |
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|
305 |
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XSelectInput (display, root, PropertyChangeMask); |
306 |
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#ifdef USE_XIM |
307 |
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xa_xim_servers = XInternAtom (display, "XIM_SERVERS", 0); |
308 |
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#endif |
309 |
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|
310 |
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flush (); |
311 |
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312 |
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return true; |
313 |
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} |
314 |
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|
315 |
root |
1.23 |
void |
316 |
|
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rxvt_display::ref_next () |
317 |
|
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{ |
318 |
|
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// TODO: somehow check wether the database files/resources changed |
319 |
|
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// before re-loading/parsing |
320 |
|
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XrmDestroyDatabase (XrmGetDatabase (display)); |
321 |
|
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XrmSetDatabase (display, get_resources ()); |
322 |
|
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} |
323 |
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|
324 |
root |
1.1 |
rxvt_display::~rxvt_display () |
325 |
|
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{ |
326 |
root |
1.22 |
if (!display) |
327 |
|
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return; |
328 |
|
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|
329 |
root |
1.21 |
#ifdef POINTER_BLANK |
330 |
|
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XFreeCursor (display, blank_cursor); |
331 |
|
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#endif |
332 |
root |
1.1 |
x_ev.stop (); |
333 |
root |
1.12 |
#ifdef USE_XIM |
334 |
|
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xims.clear (); |
335 |
|
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#endif |
336 |
root |
1.22 |
XCloseDisplay (display); |
337 |
root |
1.1 |
} |
338 |
|
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|
339 |
|
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#ifdef USE_XIM |
340 |
|
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void rxvt_display::im_change_cb () |
341 |
|
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{ |
342 |
|
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for (im_watcher **i = imw.begin (); i != imw.end (); ++i) |
343 |
|
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(*i)->call (); |
344 |
|
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} |
345 |
root |
1.5 |
|
346 |
|
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void rxvt_display::im_change_check () |
347 |
|
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{ |
348 |
root |
1.13 |
// try to only call im_change_cb when a new input method |
349 |
root |
1.5 |
// registers, as xlib crashes due to a race otherwise. |
350 |
|
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Atom actual_type, *atoms; |
351 |
|
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int actual_format; |
352 |
|
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unsigned long nitems, bytes_after; |
353 |
|
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|
354 |
|
|
if (XGetWindowProperty (display, root, xa_xim_servers, 0L, 1000000L, |
355 |
|
|
False, XA_ATOM, &actual_type, &actual_format, |
356 |
|
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&nitems, &bytes_after, (unsigned char **)&atoms) |
357 |
|
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!= Success ) |
358 |
|
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return; |
359 |
|
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|
360 |
|
|
if (actual_type == XA_ATOM && actual_format == 32) |
361 |
|
|
for (int i = 0; i < nitems; i++) |
362 |
|
|
if (XGetSelectionOwner (display, atoms[i])) |
363 |
|
|
{ |
364 |
|
|
im_change_cb (); |
365 |
|
|
break; |
366 |
|
|
} |
367 |
|
|
|
368 |
|
|
XFree (atoms); |
369 |
|
|
} |
370 |
root |
1.1 |
#endif |
371 |
|
|
|
372 |
|
|
void rxvt_display::x_cb (io_watcher &w, short revents) |
373 |
|
|
{ |
374 |
|
|
do |
375 |
|
|
{ |
376 |
|
|
XEvent xev; |
377 |
|
|
XNextEvent (display, &xev); |
378 |
|
|
|
379 |
root |
1.5 |
#ifdef USE_XIM |
380 |
|
|
if (!XFilterEvent (&xev, None)) |
381 |
|
|
{ |
382 |
|
|
if (xev.type == PropertyNotify |
383 |
|
|
&& xev.xany.window == root |
384 |
|
|
&& xev.xproperty.atom == xa_xim_servers) |
385 |
|
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im_change_check (); |
386 |
|
|
#endif |
387 |
|
|
for (int i = xw.size (); i--; ) |
388 |
|
|
{ |
389 |
|
|
if (!xw[i]) |
390 |
|
|
xw.erase_unordered (i); |
391 |
|
|
else if (xw[i]->window == xev.xany.window) |
392 |
|
|
xw[i]->call (xev); |
393 |
|
|
} |
394 |
root |
1.1 |
#ifdef USE_XIM |
395 |
root |
1.5 |
} |
396 |
root |
1.1 |
#endif |
397 |
|
|
} |
398 |
root |
1.6 |
while (XEventsQueued (display, QueuedAlready)); |
399 |
root |
1.1 |
|
400 |
root |
1.10 |
XFlush (display); |
401 |
root |
1.1 |
} |
402 |
|
|
|
403 |
|
|
void rxvt_display::flush () |
404 |
|
|
{ |
405 |
root |
1.10 |
if (XEventsQueued (display, QueuedAlready)) |
406 |
|
|
x_cb (x_ev, EVENT_READ); |
407 |
|
|
|
408 |
root |
1.8 |
XFlush (display); |
409 |
root |
1.1 |
} |
410 |
|
|
|
411 |
|
|
void rxvt_display::reg (xevent_watcher *w) |
412 |
|
|
{ |
413 |
|
|
xw.push_back (w); |
414 |
|
|
w->active = xw.size (); |
415 |
|
|
} |
416 |
|
|
|
417 |
|
|
void rxvt_display::unreg (xevent_watcher *w) |
418 |
|
|
{ |
419 |
|
|
if (w->active) |
420 |
|
|
xw[w->active - 1] = 0; |
421 |
|
|
} |
422 |
|
|
|
423 |
|
|
void rxvt_display::set_selection_owner (rxvt_term *owner) |
424 |
|
|
{ |
425 |
|
|
if (selection_owner && selection_owner != owner) |
426 |
|
|
selection_owner->selection_clear (); |
427 |
|
|
|
428 |
|
|
selection_owner = owner; |
429 |
|
|
} |
430 |
|
|
|
431 |
|
|
#ifdef USE_XIM |
432 |
|
|
void rxvt_display::reg (im_watcher *w) |
433 |
|
|
{ |
434 |
|
|
imw.push_back (w); |
435 |
|
|
} |
436 |
|
|
|
437 |
|
|
void rxvt_display::unreg (im_watcher *w) |
438 |
|
|
{ |
439 |
|
|
imw.erase (find (imw.begin (), imw.end (), w)); |
440 |
|
|
} |
441 |
|
|
|
442 |
|
|
rxvt_xim *rxvt_display::get_xim (const char *locale, const char *modifiers) |
443 |
|
|
{ |
444 |
|
|
char *id; |
445 |
|
|
int l, m; |
446 |
|
|
|
447 |
|
|
l = strlen (locale); |
448 |
|
|
m = strlen (modifiers); |
449 |
|
|
|
450 |
|
|
if (!(id = (char *)malloc (l + m + 2))) |
451 |
|
|
return 0; |
452 |
|
|
|
453 |
|
|
memcpy (id, locale, l); id[l] = '\n'; |
454 |
|
|
memcpy (id + l + 1, modifiers, m); id[l + m + 1] = 0; |
455 |
|
|
|
456 |
|
|
rxvt_xim *xim = xims.get (id); |
457 |
|
|
|
458 |
|
|
free (id); |
459 |
|
|
|
460 |
|
|
return xim; |
461 |
|
|
} |
462 |
|
|
|
463 |
|
|
void rxvt_display::put_xim (rxvt_xim *xim) |
464 |
|
|
{ |
465 |
root |
1.10 |
#if XLIB_IS_RACEFREE |
466 |
root |
1.1 |
xims.put (xim); |
467 |
root |
1.10 |
#endif |
468 |
root |
1.1 |
} |
469 |
|
|
#endif |
470 |
|
|
|
471 |
|
|
Atom rxvt_display::atom (const char *name) |
472 |
|
|
{ |
473 |
|
|
return XInternAtom (display, name, False); |
474 |
|
|
} |
475 |
|
|
|
476 |
|
|
///////////////////////////////////////////////////////////////////////////// |
477 |
|
|
|
478 |
|
|
template class refcache<rxvt_display>; |
479 |
|
|
refcache<rxvt_display> displays; |
480 |
|
|
|
481 |
|
|
///////////////////////////////////////////////////////////////////////////// |
482 |
|
|
|
483 |
|
|
bool |
484 |
|
|
rxvt_color::set (rxvt_display *display, Pixel p) |
485 |
|
|
{ |
486 |
|
|
#if XFT |
487 |
|
|
XColor xc; |
488 |
|
|
|
489 |
|
|
xc.pixel = p; |
490 |
|
|
if (!XQueryColor (display->display, display->cmap, &xc)) |
491 |
|
|
return false; |
492 |
|
|
|
493 |
|
|
XRenderColor d; |
494 |
|
|
|
495 |
|
|
d.red = xc.red; |
496 |
|
|
d.green = xc.green; |
497 |
|
|
d.blue = xc.blue; |
498 |
|
|
d.alpha = 0xffff; |
499 |
|
|
|
500 |
|
|
return |
501 |
|
|
XftColorAllocValue (display->display, |
502 |
|
|
display->visual, |
503 |
|
|
display->cmap, |
504 |
|
|
&d, &c); |
505 |
|
|
#else |
506 |
|
|
this->p = p; |
507 |
|
|
#endif |
508 |
|
|
|
509 |
|
|
return true; |
510 |
|
|
} |
511 |
|
|
|
512 |
|
|
bool |
513 |
|
|
rxvt_color::set (rxvt_display *display, const char *name) |
514 |
|
|
{ |
515 |
root |
1.7 |
#if XFT |
516 |
|
|
return XftColorAllocName (display->display, display->visual, display->cmap, |
517 |
|
|
name, &c); |
518 |
|
|
#else |
519 |
root |
1.1 |
XColor xc; |
520 |
|
|
|
521 |
|
|
if (XParseColor (display->display, display->cmap, name, &xc)) |
522 |
|
|
return set (display, xc.red, xc.green, xc.blue); |
523 |
|
|
|
524 |
|
|
return false; |
525 |
root |
1.7 |
#endif |
526 |
root |
1.1 |
} |
527 |
|
|
|
528 |
|
|
bool |
529 |
|
|
rxvt_color::set (rxvt_display *display, unsigned short cr, unsigned short cg, unsigned short cb) |
530 |
|
|
{ |
531 |
|
|
XColor xc; |
532 |
|
|
|
533 |
|
|
xc.red = cr; |
534 |
|
|
xc.green = cg; |
535 |
|
|
xc.blue = cb; |
536 |
|
|
xc.flags = DoRed | DoGreen | DoBlue; |
537 |
|
|
|
538 |
|
|
if (XAllocColor (display->display, display->cmap, &xc)) |
539 |
|
|
return set (display, xc.pixel); |
540 |
|
|
|
541 |
|
|
return false; |
542 |
|
|
} |
543 |
|
|
|
544 |
|
|
void |
545 |
|
|
rxvt_color::get (rxvt_display *display, unsigned short &cr, unsigned short &cg, unsigned short &cb) |
546 |
|
|
{ |
547 |
|
|
#if XFT |
548 |
|
|
cr = c.color.red; |
549 |
|
|
cg = c.color.green; |
550 |
|
|
cb = c.color.blue; |
551 |
|
|
#else |
552 |
|
|
XColor c; |
553 |
|
|
|
554 |
|
|
c.pixel = p; |
555 |
|
|
XQueryColor (display->display, display->cmap, &c); |
556 |
|
|
|
557 |
|
|
cr = c.red; |
558 |
|
|
cg = c.green; |
559 |
|
|
cb = c.blue; |
560 |
|
|
#endif |
561 |
|
|
} |
562 |
|
|
|
563 |
|
|
void |
564 |
|
|
rxvt_color::free (rxvt_display *display) |
565 |
|
|
{ |
566 |
|
|
#if XFT |
567 |
|
|
XftColorFree (display->display, display->visual, display->cmap, &c); |
568 |
|
|
#else |
569 |
|
|
XFreeColors (display->display, display->cmap, &p, 1, AllPlanes); |
570 |
|
|
#endif |
571 |
|
|
} |
572 |
|
|
|
573 |
|
|
rxvt_color |
574 |
|
|
rxvt_color::fade (rxvt_display *display, int percent) |
575 |
|
|
{ |
576 |
root |
1.18 |
percent = 100 - percent; |
577 |
|
|
|
578 |
root |
1.1 |
unsigned short cr, cg, cb; |
579 |
|
|
rxvt_color faded; |
580 |
|
|
|
581 |
|
|
get (display, cr, cg, cb); |
582 |
root |
1.18 |
|
583 |
|
|
faded.set ( |
584 |
|
|
display, |
585 |
|
|
cr * percent / 100, |
586 |
|
|
cg * percent / 100, |
587 |
|
|
cb * percent / 100 |
588 |
|
|
); |
589 |
|
|
|
590 |
|
|
return faded; |
591 |
|
|
} |
592 |
|
|
|
593 |
root |
1.19 |
#define LERP(a,b,p) (a * p + b * (100 - p)) / 100 |
594 |
root |
1.18 |
|
595 |
|
|
rxvt_color |
596 |
|
|
rxvt_color::fade (rxvt_display *display, int percent, rxvt_color &fadeto) |
597 |
|
|
{ |
598 |
|
|
percent = 100 - percent; |
599 |
|
|
|
600 |
|
|
unsigned short cr, cg, cb; |
601 |
|
|
unsigned short fcr, fcg, fcb; |
602 |
|
|
rxvt_color faded; |
603 |
|
|
|
604 |
|
|
get (display, cr, cg, cb); |
605 |
|
|
fadeto.get(display, fcr, fcg, fcb); |
606 |
|
|
|
607 |
|
|
faded.set ( |
608 |
|
|
display, |
609 |
|
|
LERP (cr, fcr, percent), |
610 |
|
|
LERP (cg, fcg, percent), |
611 |
|
|
LERP (cb, fcb, percent) |
612 |
|
|
); |
613 |
root |
1.1 |
|
614 |
|
|
return faded; |
615 |
|
|
} |
616 |
|
|
|