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Comparing rxvt-unicode/src/rxvtcolor.C (file contents):
Revision 1.3 by pcg, Sat Jan 31 00:20:21 2004 UTC vs.
Revision 1.4 by pcg, Mon Feb 9 07:11:49 2004 UTC

1#include "../config.h" 1#include "../config.h"
2#include <rxvt.h> 2#include <rxvt.h>
3#include <rxvtcolor.h>
3 4
4// TODO: free colors again 5#include <unistd.h>
6#include <fcntl.h>
5 7
8/////////////////////////////////////////////////////////////////////////////
9
10rxvt_display::rxvt_display (const char *name)
11: x_watcher (this, &rxvt_display::x_event)
12{
13 this->name = STRDUP (name);
14}
15
16rxvt_display::~rxvt_display ()
17{
18 free (name);
19}
20
21bool rxvt_display::open ()
22{
23 display = XOpenDisplay (name);
24
25 screen = DefaultScreen (display);
26 root = DefaultRootWindow (display);
27 visual = DefaultVisual (display, screen);
28 cmap = DefaultColormap (display, screen);
29 depth = DefaultDepth (display, screen);
30
31#ifdef PREFER_24BIT
32 /*
33 * If depth is not 24, look for a 24bit visual.
34 */
35 if (depth != 24)
36 {
37 XVisualInfo vinfo;
38
39 if (XMatchVisualInfo (display, screen, 24, TrueColor, &vinfo))
40 {
41 depth = 24;
42 visual = vinfo.visual;
43 cmap = XCreateColormap (display,
44 RootWindow (display, screen),
45 visual, AllocNone);
46 }
47 }
48#endif
49
50 int fd = XConnectionNumber (display);
51 x_watcher.start (fd, EVENT_READ);
52 fcntl (fd, F_SETFL, FD_CLOEXEC);
53
54 return true;
55}
56
57void rxvt_display::close ()
58{
59 x_watcher.stop ();
60
61 XCloseDisplay (display);
62}
63
64void rxvt_display::x_event (io_watcher &w, short revents)
65{
66 do
67 {
68 XEvent xev;
69 XNextEvent (display, &xev);
70
71 for (int i = xw.size (); i--; )
72 {
73 if (!xw[i])
74 xw.erase_unordered (i);
75 else if (xw[i]->window == xev.xany.window)
76 xw[i]->call (xev);
77 }
78 }
79 while (XPending (display));
80}
81
82void rxvt_display::reg (xevent_watcher *w)
83{
84 xw.push_back (w);
85 w->active = xw.size ();
86}
87
88void rxvt_display::unreg (xevent_watcher *w)
89{
90 if (w->active)
91 xw[w->active - 1] = 0;
92}
93
94/////////////////////////////////////////////////////////////////////////////
95
96rxvt_displays displays;
97
98rxvt_display *rxvt_displays::get (const char *name)
99{
100 for (rxvt_display **i = list.begin (); i < list.end (); ++i)
101 {
102 if (!strcmp (name, (*i)->name))
103 {
104 (*i)->referenced++;
105 return *i;
106 }
107 }
108
109 rxvt_display *display = new rxvt_display (name);
110
111 display->referenced = 1;
112
113 if (display && display->open ())
114 list.push_back (display);
115 else
116 {
117 delete display;
118 display = 0;
119 }
120
121 return display;
122}
123
124void rxvt_displays::release (rxvt_display *display)
125{
126 if (!--display->referenced)
127 {
128 display->close ();
129 delete display;
130 list.erase (find (list.begin (), list.end (), display));
131 }
132}
133
134/////////////////////////////////////////////////////////////////////////////
135
6bool 136bool
7rxvt_color::set (rxvt_term *t, Pixel p) 137rxvt_color::set (rxvt_display *display, Pixel p)
8{ 138{
9#if XFT 139#if XFT
10 XColor xc; 140 XColor xc;
11 141
12 xc.pixel = p; 142 xc.pixel = p;
13 if (!XQueryColor (t->Xdisplay, t->Xcmap, &xc)) 143 if (!XQueryColor (display->display, display->cmap, &xc))
14 return false; 144 return false;
15 145
16 XRenderColor d; 146 XRenderColor d;
17 147
18 d.red = xc.red; 148 d.red = xc.red;
19 d.green = xc.green; 149 d.green = xc.green;
20 d.blue = xc.blue; 150 d.blue = xc.blue;
21 d.alpha = 0xffff; 151 d.alpha = 0xffff;
22 152
23 return 153 return
24 XftColorAllocValue (t->Xdisplay, 154 XftColorAllocValue (display->display,
25 t->Xvisual, 155 display->visual,
26 t->Xcmap, 156 display->cmap,
27 &d,
28 &c); 157 &d, &c);
29#else 158#else
30 this->p = p; 159 this->p = p;
31#endif 160#endif
32 161
33 return true; 162 return true;
34} 163}
35 164
36bool 165bool
37rxvt_color::set (rxvt_term *t, const char *name) 166rxvt_color::set (rxvt_display *display, const char *name)
38{ 167{
39 XColor xc; 168 XColor xc;
40 169
41 if (XParseColor (t->Xdisplay, t->Xcmap, name, &xc)) 170 if (XParseColor (display->display, display->cmap, name, &xc))
42 return set (t, xc.red, xc.green, xc.blue); 171 return set (display, xc.red, xc.green, xc.blue);
43 172
44 return false; 173 return false;
45} 174}
46 175
47bool 176bool
48rxvt_color::set (rxvt_term *t, unsigned short cr, unsigned short cg, unsigned short cb) 177rxvt_color::set (rxvt_display *display, unsigned short cr, unsigned short cg, unsigned short cb)
49{ 178{
50 XColor xc; 179 XColor xc;
51 180
52 xc.red = cr; 181 xc.red = cr;
53 xc.green = cg; 182 xc.green = cg;
54 xc.blue = cb; 183 xc.blue = cb;
55 xc.flags = DoRed | DoGreen | DoBlue; 184 xc.flags = DoRed | DoGreen | DoBlue;
56 185
57 if (XAllocColor (t->Xdisplay, t->Xcmap, &xc)) 186 if (XAllocColor (display->display, display->cmap, &xc))
58 return set (t, xc.pixel); 187 return set (display, xc.pixel);
59 188
60 return false; 189 return false;
61} 190}
62 191
63void 192void
64rxvt_color::get (rxvt_term *t, unsigned short &cr, unsigned short &cg, unsigned short &cb) 193rxvt_color::get (rxvt_display *display, unsigned short &cr, unsigned short &cg, unsigned short &cb)
65{ 194{
66#if XFT 195#if XFT
67 cr = c.color.red; 196 cr = c.color.red;
68 cg = c.color.green; 197 cg = c.color.green;
69 cb = c.color.blue; 198 cb = c.color.blue;
70#else 199#else
71 XColor c; 200 XColor c;
72 201
73 c.pixel = p; 202 c.pixel = p;
74 XQueryColor (t->Xdisplay, t->Xcmap, &c); 203 XQueryColor (display->display, display->cmap, &c);
75 204
76 cr = c.red; 205 cr = c.red;
77 cg = c.green; 206 cg = c.green;
78 cb = c.blue; 207 cb = c.blue;
79#endif 208#endif
80} 209}
81 210
211void
212rxvt_color::free (rxvt_display *display)
213{
214#if XFT
215 XftColorFree (display->display, display->visual, display->cmap, &c);
216#else
217 XFreeColors (display->display, display->cmap, &c, 1, AllPlanes);
218#endif
219}
220

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