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1.1 |
/*--------------------------------*-C-*---------------------------------* |
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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> |
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#endif |
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1.31 |
#if XFT |
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# include <X11/extensions/Xrender.h> |
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#endif |
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|
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1.25 |
const char *const xa_names[] = |
42 |
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1.34 |
{ |
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"TEXT", |
44 |
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"COMPOUND_TEXT", |
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"UTF8_STRING", |
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"MULTIPLE", |
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"TARGETS", |
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"TIMESTAMP", |
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"VT_SELECTION", |
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"INCR", |
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"WM_PROTOCOLS", |
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"WM_DELETE_WINDOW", |
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"CLIPBOARD", |
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"AVERAGE_WIDTH", |
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"WEIGHT_NAME", |
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"SLANT", |
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"CHARSET_REGISTRY", |
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"CHARSET_ENCODING", |
59 |
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1.25 |
#if ENABLE_FRILLS |
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1.34 |
"_MOTIF_WM_HINTS", |
61 |
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1.25 |
#endif |
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#if ENABLE_EWMH |
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1.34 |
"_NET_WM_PID", |
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"_NET_WM_NAME", |
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"_NET_WM_ICON_NAME", |
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"_NET_WM_PING", |
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1.25 |
#endif |
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#if USE_XIM |
69 |
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1.34 |
"WM_LOCALE_NAME", |
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"XIM_SERVERS", |
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#endif |
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#ifdef TRANSPARENT |
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"_XROOTPMAP_ID", |
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"ESETROOT_PMAP_ID", |
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1.25 |
#endif |
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#if ENABLE_XEMBED |
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1.34 |
"_XEMBED", |
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"_XEMBED_INFO", |
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#endif |
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#if !ENABLE_MINIMAL |
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"SCREEN_RESOURCES", |
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"XDCCC_LINEAR_RGB_CORRECTION", |
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"XDCCC_LINEAR_RGB_MATRICES", |
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"WM_COLORMAP_WINDOWS", |
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"WM_STATE", |
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1.38 |
"cursor", |
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# if USE_XIM |
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"TRANSPORT", |
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"LOCALES", |
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"_XIM_PROTOCOL", |
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"_XIM_XCONNECT", |
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"_XIM_MOREDATA", |
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# endif |
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1.25 |
#endif |
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1.34 |
}; |
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|
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///////////////////////////////////////////////////////////////////////////// |
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refcounted::refcounted (const char *id) |
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{ |
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1.2 |
this->id = strdup (id); |
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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> |
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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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{ |
114 |
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if (!strcmp (id, (*i)->id)) |
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{ |
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++(*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 ()) |
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1.1 |
{ |
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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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{ |
140 |
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if (!obj) |
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return; |
142 |
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143 |
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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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} |
148 |
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} |
149 |
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150 |
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template<class T> |
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1.12 |
void refcache<T>::clear () |
152 |
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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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159 |
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#ifdef USE_XIM |
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1.24 |
|
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1.1 |
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) |
166 |
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#endif |
167 |
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{ |
168 |
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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 (); |
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} |
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1.23 |
bool |
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rxvt_xim::ref_init () |
179 |
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1.1 |
{ |
180 |
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display = GET_R->display; //HACK: TODO |
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182 |
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xim = XOpenIM (display->display, NULL, NULL, NULL); |
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184 |
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if (!xim) |
185 |
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return false; |
186 |
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XIMCallback ximcallback; |
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ximcallback.client_data = (XPointer)this; |
189 |
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ximcallback.callback = im_destroy_cb; |
190 |
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XSetIMValues (xim, XNDestroyCallback, &ximcallback, NULL); |
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return true; |
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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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} |
201 |
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1.24 |
|
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1.1 |
#endif |
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///////////////////////////////////////////////////////////////////////////// |
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206 |
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1.26 |
void |
207 |
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rxvt_screen::set (rxvt_display *disp) |
208 |
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{ |
209 |
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display = disp; |
210 |
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1.27 |
xdisp = disp->display; |
211 |
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1.26 |
|
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Screen *screen = ScreenOfDisplay (xdisp, disp->screen); |
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1.27 |
depth = DefaultDepthOfScreen (screen); |
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visual = DefaultVisualOfScreen (screen); |
216 |
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cmap = DefaultColormapOfScreen (screen); |
217 |
root |
1.26 |
} |
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void |
220 |
root |
1.28 |
rxvt_screen::set (rxvt_display *disp, int bitdepth) |
221 |
root |
1.26 |
{ |
222 |
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set (disp); |
223 |
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224 |
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1.31 |
#if XFT |
225 |
root |
1.26 |
XVisualInfo vinfo; |
226 |
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227 |
root |
1.28 |
if (XMatchVisualInfo (xdisp, display->screen, bitdepth, TrueColor, &vinfo)) |
228 |
root |
1.26 |
{ |
229 |
root |
1.28 |
depth = bitdepth; |
230 |
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visual = vinfo.visual; |
231 |
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cmap = XCreateColormap (xdisp, disp->root, visual, AllocNone); |
232 |
root |
1.26 |
} |
233 |
root |
1.31 |
#endif |
234 |
root |
1.26 |
} |
235 |
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236 |
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void |
237 |
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rxvt_screen::clear () |
238 |
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{ |
239 |
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if (cmap != DefaultColormapOfScreen (ScreenOfDisplay (xdisp, display->screen))) |
240 |
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XFreeColormap (xdisp, cmap); |
241 |
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} |
242 |
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243 |
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///////////////////////////////////////////////////////////////////////////// |
244 |
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245 |
root |
1.1 |
rxvt_display::rxvt_display (const char *id) |
246 |
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: refcounted (id) |
247 |
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, x_ev (this, &rxvt_display::x_cb) |
248 |
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, selection_owner (0) |
249 |
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{ |
250 |
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} |
251 |
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252 |
root |
1.23 |
XrmDatabase |
253 |
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rxvt_display::get_resources () |
254 |
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{ |
255 |
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char *homedir = (char *)getenv ("HOME"); |
256 |
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char fname[1024]; |
257 |
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258 |
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/* |
259 |
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* get resources using the X library function |
260 |
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*/ |
261 |
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char *displayResource, *xe; |
262 |
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XrmDatabase database, rdb1; |
263 |
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264 |
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database = NULL; |
265 |
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266 |
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// for ordering, see for example http://www.faqs.org/faqs/Xt-FAQ/ Subject: 20 |
267 |
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268 |
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// 6. System wide per application default file. |
269 |
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270 |
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/* Add in $XAPPLRESDIR/Rxvt only; not bothering with XUSERFILESEARCHPATH */ |
271 |
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if ((xe = (char *)getenv ("XAPPLRESDIR"))) |
272 |
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{ |
273 |
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snprintf (fname, sizeof (fname), "%s/%s", xe, RESCLASS); |
274 |
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275 |
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if ((rdb1 = XrmGetFileDatabase (fname))) |
276 |
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XrmMergeDatabases (rdb1, &database); |
277 |
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} |
278 |
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279 |
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// 5. User's per application default file. |
280 |
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// none |
281 |
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282 |
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// 4. User's defaults file. |
283 |
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/* Get any Xserver defaults */ |
284 |
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displayResource = XResourceManagerString (display); |
285 |
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|
286 |
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if (displayResource != NULL) |
287 |
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{ |
288 |
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if ((rdb1 = XrmGetStringDatabase (displayResource))) |
289 |
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XrmMergeDatabases (rdb1, &database); |
290 |
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} |
291 |
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else if (homedir) |
292 |
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{ |
293 |
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snprintf (fname, sizeof (fname), "%s/.Xdefaults", homedir); |
294 |
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295 |
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if ((rdb1 = XrmGetFileDatabase (fname))) |
296 |
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XrmMergeDatabases (rdb1, &database); |
297 |
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} |
298 |
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|
299 |
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/* Get screen specific resources */ |
300 |
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displayResource = XScreenResourceString (ScreenOfDisplay (display, screen)); |
301 |
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302 |
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if (displayResource != NULL) |
303 |
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{ |
304 |
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if ((rdb1 = XrmGetStringDatabase (displayResource))) |
305 |
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/* Merge with screen-independent resources */ |
306 |
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XrmMergeDatabases (rdb1, &database); |
307 |
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|
308 |
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XFree (displayResource); |
309 |
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} |
310 |
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|
311 |
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// 3. User's per host defaults file |
312 |
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/* Add in XENVIRONMENT file */ |
313 |
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if ((xe = (char *)getenv ("XENVIRONMENT")) |
314 |
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&& (rdb1 = XrmGetFileDatabase (xe))) |
315 |
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XrmMergeDatabases (rdb1, &database); |
316 |
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else if (homedir) |
317 |
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{ |
318 |
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struct utsname un; |
319 |
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|
320 |
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if (!uname (&un)) |
321 |
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{ |
322 |
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snprintf (fname, sizeof (fname), "%s/.Xdefaults-%s", homedir, un.nodename); |
323 |
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324 |
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if ((rdb1 = XrmGetFileDatabase (fname))) |
325 |
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XrmMergeDatabases (rdb1, &database); |
326 |
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} |
327 |
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} |
328 |
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329 |
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return database; |
330 |
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} |
331 |
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332 |
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bool rxvt_display::ref_init () |
333 |
root |
1.1 |
{ |
334 |
root |
1.14 |
#ifdef LOCAL_X_IS_UNIX |
335 |
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if (id[0] == ':') |
336 |
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{ |
337 |
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val = rxvt_malloc (5 + strlen (id) + 1); |
338 |
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strcpy (val, "unix/"); |
339 |
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strcat (val, id); |
340 |
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display = XOpenDisplay (val); |
341 |
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free (val); |
342 |
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} |
343 |
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else |
344 |
root |
1.15 |
#endif |
345 |
root |
1.14 |
display = 0; |
346 |
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|
347 |
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if (!display) |
348 |
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display = XOpenDisplay (id); |
349 |
root |
1.1 |
|
350 |
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if (!display) |
351 |
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return false; |
352 |
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|
353 |
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screen = DefaultScreen (display); |
354 |
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root = DefaultRootWindow (display); |
355 |
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|
356 |
root |
1.25 |
assert (sizeof (xa_names) / sizeof (char *) == NUM_XA); |
357 |
|
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XInternAtoms (display, (char **)xa_names, NUM_XA, False, xa); |
358 |
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|
359 |
root |
1.23 |
XrmSetDatabase (display, get_resources ()); |
360 |
root |
1.1 |
|
361 |
root |
1.12 |
#ifdef POINTER_BLANK |
362 |
|
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XColor blackcolour; |
363 |
|
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blackcolour.red = 0; |
364 |
|
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blackcolour.green = 0; |
365 |
|
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blackcolour.blue = 0; |
366 |
|
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Font f = XLoadFont (display, "fixed"); |
367 |
|
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blank_cursor = XCreateGlyphCursor (display, f, f, ' ', ' ', |
368 |
|
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&blackcolour, &blackcolour); |
369 |
|
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XUnloadFont (display, f); |
370 |
|
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#endif |
371 |
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|
372 |
root |
1.23 |
int fd = XConnectionNumber (display); |
373 |
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|
374 |
|
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#ifndef NO_SLOW_LINK_SUPPORT |
375 |
|
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// try to detect wether we have a local connection. |
376 |
|
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// assume unix domains socket == local, everything else not |
377 |
|
|
// TODO: might want to check for inet/127.0.0.1 |
378 |
|
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is_local = 0; |
379 |
|
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sockaddr_un sa; |
380 |
|
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socklen_t sl = sizeof (sa); |
381 |
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|
382 |
|
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if (!getsockname (fd, (sockaddr *)&sa, &sl)) |
383 |
|
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is_local = sa.sun_family == AF_LOCAL; |
384 |
|
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#endif |
385 |
|
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|
386 |
root |
1.1 |
x_ev.start (fd, EVENT_READ); |
387 |
|
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fcntl (fd, F_SETFD, FD_CLOEXEC); |
388 |
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|
389 |
|
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XSelectInput (display, root, PropertyChangeMask); |
390 |
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|
391 |
|
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flush (); |
392 |
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|
393 |
|
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return true; |
394 |
|
|
} |
395 |
|
|
|
396 |
root |
1.23 |
void |
397 |
|
|
rxvt_display::ref_next () |
398 |
|
|
{ |
399 |
|
|
// TODO: somehow check wether the database files/resources changed |
400 |
|
|
// before re-loading/parsing |
401 |
|
|
XrmDestroyDatabase (XrmGetDatabase (display)); |
402 |
|
|
XrmSetDatabase (display, get_resources ()); |
403 |
|
|
} |
404 |
|
|
|
405 |
root |
1.1 |
rxvt_display::~rxvt_display () |
406 |
|
|
{ |
407 |
root |
1.22 |
if (!display) |
408 |
|
|
return; |
409 |
|
|
|
410 |
root |
1.21 |
#ifdef POINTER_BLANK |
411 |
|
|
XFreeCursor (display, blank_cursor); |
412 |
|
|
#endif |
413 |
root |
1.1 |
x_ev.stop (); |
414 |
root |
1.12 |
#ifdef USE_XIM |
415 |
|
|
xims.clear (); |
416 |
|
|
#endif |
417 |
root |
1.22 |
XCloseDisplay (display); |
418 |
root |
1.1 |
} |
419 |
|
|
|
420 |
|
|
#ifdef USE_XIM |
421 |
|
|
void rxvt_display::im_change_cb () |
422 |
|
|
{ |
423 |
|
|
for (im_watcher **i = imw.begin (); i != imw.end (); ++i) |
424 |
|
|
(*i)->call (); |
425 |
|
|
} |
426 |
root |
1.5 |
|
427 |
|
|
void rxvt_display::im_change_check () |
428 |
|
|
{ |
429 |
root |
1.13 |
// try to only call im_change_cb when a new input method |
430 |
root |
1.5 |
// registers, as xlib crashes due to a race otherwise. |
431 |
|
|
Atom actual_type, *atoms; |
432 |
|
|
int actual_format; |
433 |
|
|
unsigned long nitems, bytes_after; |
434 |
|
|
|
435 |
root |
1.25 |
if (XGetWindowProperty (display, root, xa[XA_XIM_SERVERS], 0L, 1000000L, |
436 |
root |
1.5 |
False, XA_ATOM, &actual_type, &actual_format, |
437 |
|
|
&nitems, &bytes_after, (unsigned char **)&atoms) |
438 |
|
|
!= Success ) |
439 |
|
|
return; |
440 |
|
|
|
441 |
|
|
if (actual_type == XA_ATOM && actual_format == 32) |
442 |
|
|
for (int i = 0; i < nitems; i++) |
443 |
|
|
if (XGetSelectionOwner (display, atoms[i])) |
444 |
|
|
{ |
445 |
|
|
im_change_cb (); |
446 |
|
|
break; |
447 |
|
|
} |
448 |
|
|
|
449 |
|
|
XFree (atoms); |
450 |
|
|
} |
451 |
root |
1.1 |
#endif |
452 |
|
|
|
453 |
|
|
void rxvt_display::x_cb (io_watcher &w, short revents) |
454 |
|
|
{ |
455 |
|
|
do |
456 |
|
|
{ |
457 |
|
|
XEvent xev; |
458 |
|
|
XNextEvent (display, &xev); |
459 |
|
|
|
460 |
root |
1.5 |
#ifdef USE_XIM |
461 |
|
|
if (!XFilterEvent (&xev, None)) |
462 |
|
|
{ |
463 |
|
|
if (xev.type == PropertyNotify |
464 |
|
|
&& xev.xany.window == root |
465 |
root |
1.25 |
&& xev.xproperty.atom == xa[XA_XIM_SERVERS]) |
466 |
root |
1.5 |
im_change_check (); |
467 |
|
|
#endif |
468 |
|
|
for (int i = xw.size (); i--; ) |
469 |
|
|
{ |
470 |
|
|
if (!xw[i]) |
471 |
|
|
xw.erase_unordered (i); |
472 |
|
|
else if (xw[i]->window == xev.xany.window) |
473 |
|
|
xw[i]->call (xev); |
474 |
|
|
} |
475 |
root |
1.1 |
#ifdef USE_XIM |
476 |
root |
1.5 |
} |
477 |
root |
1.1 |
#endif |
478 |
|
|
} |
479 |
root |
1.6 |
while (XEventsQueued (display, QueuedAlready)); |
480 |
root |
1.1 |
|
481 |
root |
1.10 |
XFlush (display); |
482 |
root |
1.1 |
} |
483 |
|
|
|
484 |
|
|
void rxvt_display::flush () |
485 |
|
|
{ |
486 |
root |
1.10 |
if (XEventsQueued (display, QueuedAlready)) |
487 |
|
|
x_cb (x_ev, EVENT_READ); |
488 |
|
|
|
489 |
root |
1.8 |
XFlush (display); |
490 |
root |
1.1 |
} |
491 |
|
|
|
492 |
|
|
void rxvt_display::reg (xevent_watcher *w) |
493 |
|
|
{ |
494 |
|
|
xw.push_back (w); |
495 |
|
|
w->active = xw.size (); |
496 |
|
|
} |
497 |
|
|
|
498 |
|
|
void rxvt_display::unreg (xevent_watcher *w) |
499 |
|
|
{ |
500 |
|
|
if (w->active) |
501 |
|
|
xw[w->active - 1] = 0; |
502 |
|
|
} |
503 |
|
|
|
504 |
|
|
void rxvt_display::set_selection_owner (rxvt_term *owner) |
505 |
|
|
{ |
506 |
|
|
if (selection_owner && selection_owner != owner) |
507 |
|
|
selection_owner->selection_clear (); |
508 |
|
|
|
509 |
|
|
selection_owner = owner; |
510 |
|
|
} |
511 |
|
|
|
512 |
|
|
#ifdef USE_XIM |
513 |
|
|
void rxvt_display::reg (im_watcher *w) |
514 |
|
|
{ |
515 |
|
|
imw.push_back (w); |
516 |
|
|
} |
517 |
|
|
|
518 |
|
|
void rxvt_display::unreg (im_watcher *w) |
519 |
|
|
{ |
520 |
|
|
imw.erase (find (imw.begin (), imw.end (), w)); |
521 |
|
|
} |
522 |
|
|
|
523 |
|
|
rxvt_xim *rxvt_display::get_xim (const char *locale, const char *modifiers) |
524 |
|
|
{ |
525 |
|
|
char *id; |
526 |
|
|
int l, m; |
527 |
|
|
|
528 |
|
|
l = strlen (locale); |
529 |
|
|
m = strlen (modifiers); |
530 |
|
|
|
531 |
|
|
if (!(id = (char *)malloc (l + m + 2))) |
532 |
|
|
return 0; |
533 |
|
|
|
534 |
|
|
memcpy (id, locale, l); id[l] = '\n'; |
535 |
|
|
memcpy (id + l + 1, modifiers, m); id[l + m + 1] = 0; |
536 |
|
|
|
537 |
|
|
rxvt_xim *xim = xims.get (id); |
538 |
|
|
|
539 |
|
|
free (id); |
540 |
|
|
|
541 |
|
|
return xim; |
542 |
|
|
} |
543 |
|
|
|
544 |
|
|
void rxvt_display::put_xim (rxvt_xim *xim) |
545 |
|
|
{ |
546 |
root |
1.10 |
#if XLIB_IS_RACEFREE |
547 |
root |
1.1 |
xims.put (xim); |
548 |
root |
1.10 |
#endif |
549 |
root |
1.1 |
} |
550 |
|
|
#endif |
551 |
|
|
|
552 |
|
|
Atom rxvt_display::atom (const char *name) |
553 |
|
|
{ |
554 |
|
|
return XInternAtom (display, name, False); |
555 |
|
|
} |
556 |
|
|
|
557 |
|
|
///////////////////////////////////////////////////////////////////////////// |
558 |
|
|
|
559 |
|
|
template class refcache<rxvt_display>; |
560 |
|
|
refcache<rxvt_display> displays; |
561 |
|
|
|
562 |
|
|
///////////////////////////////////////////////////////////////////////////// |
563 |
root |
1.38 |
|
564 |
root |
1.1 |
bool |
565 |
root |
1.40 |
rxvt_color::alloc (rxvt_screen *screen, const rxvt_rgba &color) |
566 |
root |
1.1 |
{ |
567 |
root |
1.28 |
#if XFT |
568 |
root |
1.31 |
XRenderPictFormat *format; |
569 |
root |
1.28 |
|
570 |
root |
1.31 |
// FUCKING Xft gets it wrong, of course, so work around it |
571 |
|
|
// transparency users should eat shit and die, and then |
572 |
|
|
// XRenderQueryPictIndexValues themselves plenty. |
573 |
root |
1.37 |
if ((screen->visual->c_class == TrueColor || screen->visual->c_class == DirectColor) |
574 |
root |
1.31 |
&& (format = XRenderFindVisualFormat (screen->xdisp, screen->visual))) |
575 |
|
|
{ |
576 |
|
|
// the fun lies in doing everything manually... |
577 |
root |
1.40 |
c.color.red = color.r; |
578 |
|
|
c.color.green = color.g; |
579 |
|
|
c.color.blue = color.b; |
580 |
|
|
c.color.alpha = color.a; |
581 |
|
|
|
582 |
|
|
c.pixel = ((color.r * format->direct.redMask / rxvt_rgba::MAX_CC) << format->direct.red ) |
583 |
|
|
| ((color.g * format->direct.greenMask / rxvt_rgba::MAX_CC) << format->direct.green) |
584 |
|
|
| ((color.b * format->direct.blueMask / rxvt_rgba::MAX_CC) << format->direct.blue ) |
585 |
|
|
| ((color.a * format->direct.alphaMask / rxvt_rgba::MAX_CC) << format->direct.alpha); |
586 |
root |
1.29 |
|
587 |
|
|
return true; |
588 |
|
|
} |
589 |
root |
1.31 |
else |
590 |
|
|
{ |
591 |
|
|
XRenderColor d; |
592 |
|
|
|
593 |
root |
1.40 |
d.red = color.r; |
594 |
|
|
d.green = color.g; |
595 |
|
|
d.blue = color.b; |
596 |
|
|
d.alpha = color.a; |
597 |
root |
1.31 |
|
598 |
|
|
return XftColorAllocValue (screen->xdisp, screen->visual, screen->cmap, &d, &c); |
599 |
|
|
} |
600 |
root |
1.28 |
#else |
601 |
root |
1.37 |
if (screen->visual->c_class == TrueColor || screen->visual->c_class == DirectColor) |
602 |
root |
1.35 |
{ |
603 |
root |
1.40 |
p = (color.r * (screen->visual->red_mask >> ctz (screen->visual->red_mask )) |
604 |
|
|
/ rxvt_rgba::MAX_CC) << ctz (screen->visual->red_mask ) |
605 |
|
|
| (color.g * (screen->visual->green_mask >> ctz (screen->visual->green_mask)) |
606 |
|
|
/ rxvt_rgba::MAX_CC) << ctz (screen->visual->green_mask) |
607 |
|
|
| (color.b * (screen->visual->blue_mask >> ctz (screen->visual->blue_mask )) |
608 |
|
|
/ rxvt_rgba::MAX_CC) << ctz (screen->visual->blue_mask ); |
609 |
root |
1.1 |
|
610 |
root |
1.35 |
return true; |
611 |
|
|
} |
612 |
|
|
else |
613 |
|
|
{ |
614 |
|
|
XColor xc; |
615 |
root |
1.1 |
|
616 |
root |
1.40 |
xc.red = color.r; |
617 |
|
|
xc.green = color.g; |
618 |
|
|
xc.blue = color.b; |
619 |
root |
1.35 |
|
620 |
|
|
if (XAllocColor (screen->xdisp, screen->cmap, &xc)) |
621 |
|
|
{ |
622 |
|
|
p = xc.pixel; |
623 |
|
|
return true; |
624 |
|
|
} |
625 |
root |
1.38 |
else |
626 |
root |
1.40 |
p = (color.r + color.g + color.b) > 128*3 |
627 |
root |
1.38 |
? WhitePixelOfScreen (DefaultScreenOfDisplay (screen->xdisp)) |
628 |
|
|
: BlackPixelOfScreen (DefaultScreenOfDisplay (screen->xdisp)); |
629 |
root |
1.28 |
} |
630 |
root |
1.38 |
#endif |
631 |
root |
1.1 |
|
632 |
|
|
return false; |
633 |
root |
1.38 |
} |
634 |
|
|
|
635 |
|
|
bool |
636 |
|
|
rxvt_color::set (rxvt_screen *screen, const char *name) |
637 |
|
|
{ |
638 |
root |
1.39 |
rxvt_rgba c; |
639 |
root |
1.38 |
char eos; |
640 |
root |
1.39 |
int skip; |
641 |
root |
1.38 |
|
642 |
root |
1.41 |
if (1 <= sscanf (name, "[%hd]%n", &c.a, &skip)) |
643 |
root |
1.38 |
{ |
644 |
root |
1.41 |
c.a = lerp<int, int, int> (0, rxvt_rgba::MAX_CC, c.a); |
645 |
root |
1.39 |
name += skip; |
646 |
root |
1.38 |
} |
647 |
|
|
else |
648 |
root |
1.39 |
c.a = rxvt_rgba::MAX_CC; |
649 |
|
|
|
650 |
|
|
// parse the non-standard rgba format |
651 |
|
|
if (strlen (name) != 4+5*4 || 4 != sscanf (name, "rgba:%hx/%hx/%hx/%hx%c", &c.r, &c.g, &c.b, &c.a, &eos)) |
652 |
root |
1.38 |
{ |
653 |
root |
1.39 |
XColor xc, xc_exact; |
654 |
|
|
|
655 |
|
|
if (XParseColor (screen->xdisp, screen->cmap, name, &xc)) |
656 |
|
|
{ |
657 |
|
|
c.r = xc.red; |
658 |
|
|
c.g = xc.green; |
659 |
|
|
c.b = xc.blue; |
660 |
|
|
} |
661 |
|
|
else |
662 |
|
|
{ |
663 |
|
|
c.r = 0xffff; |
664 |
|
|
c.g = 0x6969; |
665 |
|
|
c.b = 0xb4b4; |
666 |
|
|
|
667 |
|
|
rxvt_warn ("unable to parse color '%s', using pink instead.\n", name); |
668 |
|
|
} |
669 |
root |
1.38 |
} |
670 |
|
|
|
671 |
root |
1.39 |
return set (screen, c); |
672 |
root |
1.38 |
} |
673 |
|
|
|
674 |
|
|
bool |
675 |
root |
1.40 |
rxvt_color::set (rxvt_screen *screen, const rxvt_rgba &color) |
676 |
root |
1.38 |
{ |
677 |
root |
1.40 |
bool got = alloc (screen, color); |
678 |
root |
1.38 |
|
679 |
|
|
#if !ENABLE_MINIMAL |
680 |
|
|
int cmap_size = screen->visual->map_entries; |
681 |
|
|
|
682 |
|
|
if (!got |
683 |
|
|
&& screen->visual->c_class == PseudoColor |
684 |
|
|
&& cmap_size < 4096) |
685 |
|
|
{ |
686 |
|
|
XColor *colors = new XColor [screen->visual->map_entries]; |
687 |
|
|
|
688 |
|
|
for (int i = 0; i < cmap_size; i++) |
689 |
|
|
colors [i].pixel = i; |
690 |
|
|
|
691 |
|
|
XQueryColors (screen->xdisp, screen->cmap, colors, cmap_size); |
692 |
|
|
|
693 |
|
|
int diff = 0x7fffffffUL; |
694 |
|
|
XColor *best = colors; |
695 |
|
|
|
696 |
|
|
for (int i = 0; i < cmap_size; i++) |
697 |
|
|
{ |
698 |
root |
1.40 |
int d = (squared_diff<int> (color.r >> 2, colors [i].red >> 2)) |
699 |
|
|
+ (squared_diff<int> (color.g >> 2, colors [i].green >> 2)) |
700 |
|
|
+ (squared_diff<int> (color.b >> 2, colors [i].blue >> 2)); |
701 |
root |
1.38 |
|
702 |
|
|
if (d < diff) |
703 |
|
|
{ |
704 |
|
|
diff = d; |
705 |
|
|
best = colors + i; |
706 |
|
|
} |
707 |
|
|
} |
708 |
|
|
|
709 |
|
|
//rxvt_warn ("could not allocate %04x %04x %04x, getting %04x %04x %04x instead (%d)\n", |
710 |
root |
1.40 |
// color.r, color.g, color.b, best->red, best->green, best->blue, diff); |
711 |
root |
1.38 |
|
712 |
|
|
got = alloc (screen, rxvt_rgba (best->red, best->green, best->blue)); |
713 |
|
|
|
714 |
|
|
delete colors; |
715 |
|
|
} |
716 |
root |
1.28 |
#endif |
717 |
root |
1.38 |
|
718 |
|
|
return got; |
719 |
root |
1.1 |
} |
720 |
|
|
|
721 |
root |
1.39 |
void |
722 |
root |
1.40 |
rxvt_color::get (rxvt_screen *screen, rxvt_rgba &color) |
723 |
root |
1.1 |
{ |
724 |
|
|
#if XFT |
725 |
root |
1.40 |
color.r = c.color.red; |
726 |
|
|
color.g = c.color.green; |
727 |
|
|
color.b = c.color.blue; |
728 |
|
|
color.a = c.color.alpha; |
729 |
root |
1.1 |
#else |
730 |
|
|
XColor c; |
731 |
|
|
|
732 |
|
|
c.pixel = p; |
733 |
root |
1.26 |
XQueryColor (screen->xdisp, screen->cmap, &c); |
734 |
root |
1.1 |
|
735 |
root |
1.40 |
color.r = c.red; |
736 |
|
|
color.g = c.green; |
737 |
|
|
color.b = c.blue; |
738 |
|
|
color.a = rxvt_rgba::MAX_CC; |
739 |
root |
1.1 |
#endif |
740 |
|
|
} |
741 |
|
|
|
742 |
|
|
void |
743 |
root |
1.26 |
rxvt_color::free (rxvt_screen *screen) |
744 |
root |
1.1 |
{ |
745 |
|
|
#if XFT |
746 |
root |
1.26 |
XftColorFree (screen->xdisp, screen->visual, screen->cmap, &c); |
747 |
root |
1.1 |
#else |
748 |
root |
1.26 |
XFreeColors (screen->xdisp, screen->cmap, &p, 1, AllPlanes); |
749 |
root |
1.1 |
#endif |
750 |
|
|
} |
751 |
|
|
|
752 |
|
|
rxvt_color |
753 |
root |
1.40 |
rxvt_color::fade (rxvt_screen *screen, int percent, const rxvt_rgba &to) |
754 |
root |
1.1 |
{ |
755 |
root |
1.28 |
rxvt_rgba c; |
756 |
|
|
get (screen, c); |
757 |
root |
1.1 |
|
758 |
root |
1.18 |
rxvt_color faded; |
759 |
|
|
faded.set ( |
760 |
root |
1.26 |
screen, |
761 |
root |
1.28 |
rxvt_rgba ( |
762 |
root |
1.40 |
lerp (to.r, c.r, percent), |
763 |
|
|
lerp (to.g, c.g, percent), |
764 |
|
|
lerp (to.b, c.b, percent), |
765 |
|
|
lerp (to.a, c.a, percent) |
766 |
root |
1.28 |
) |
767 |
root |
1.18 |
); |
768 |
root |
1.1 |
|
769 |
|
|
return faded; |
770 |
|
|
} |
771 |
|
|
|