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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 1.5 by pcg, Tue Feb 10 00:40:39 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, selection_owner (0)
13{
14 this->name = STRDUP (name);
15}
16
17rxvt_display::~rxvt_display ()
18{
19 free (name);
20}
21
22bool rxvt_display::open ()
23{
24 display = XOpenDisplay (name);
25
26 screen = DefaultScreen (display);
27 root = DefaultRootWindow (display);
28 visual = DefaultVisual (display, screen);
29 cmap = DefaultColormap (display, screen);
30 depth = DefaultDepth (display, screen);
31
32#ifdef PREFER_24BIT
33 /*
34 * If depth is not 24, look for a 24bit visual.
35 */
36 if (depth != 24)
37 {
38 XVisualInfo vinfo;
39
40 if (XMatchVisualInfo (display, screen, 24, TrueColor, &vinfo))
41 {
42 depth = 24;
43 visual = vinfo.visual;
44 cmap = XCreateColormap (display,
45 RootWindow (display, screen),
46 visual, AllocNone);
47 }
48 }
49#endif
50
51 int fd = XConnectionNumber (display);
52 x_watcher.start (fd, EVENT_READ);
53 fcntl (fd, F_SETFL, FD_CLOEXEC);
54
55 return true;
56}
57
58void rxvt_display::close ()
59{
60 x_watcher.stop ();
61
62 XCloseDisplay (display);
63}
64
65void rxvt_display::x_event (io_watcher &w, short revents)
66{
67 do
68 {
69 XEvent xev;
70 XNextEvent (display, &xev);
71
72 for (int i = xw.size (); i--; )
73 {
74 if (!xw[i])
75 xw.erase_unordered (i);
76 else if (xw[i]->window == xev.xany.window)
77 xw[i]->call (xev);
78 }
79 }
80 while (XPending (display));
81}
82
83void rxvt_display::reg (xevent_watcher *w)
84{
85 xw.push_back (w);
86 w->active = xw.size ();
87}
88
89void rxvt_display::unreg (xevent_watcher *w)
90{
91 if (w->active)
92 xw[w->active - 1] = 0;
93}
94
95void rxvt_display::set_selection_owner (rxvt_term *owner)
96{
97 if (selection_owner && selection_owner != owner)
98 selection_owner->selection_clear ();
99
100 selection_owner = owner;
101}
102
103/////////////////////////////////////////////////////////////////////////////
104
105rxvt_displays displays;
106
107rxvt_display *rxvt_displays::get (const char *name)
108{
109 for (rxvt_display **i = list.begin (); i < list.end (); ++i)
110 {
111 if (!strcmp (name, (*i)->name))
112 {
113 (*i)->referenced++;
114 return *i;
115 }
116 }
117
118 rxvt_display *display = new rxvt_display (name);
119
120 display->referenced = 1;
121
122 if (display && display->open ())
123 list.push_back (display);
124 else
125 {
126 delete display;
127 display = 0;
128 }
129
130 return display;
131}
132
133void rxvt_displays::release (rxvt_display *display)
134{
135 if (!--display->referenced)
136 {
137 display->close ();
138 delete display;
139 list.erase (find (list.begin (), list.end (), display));
140 }
141}
142
143/////////////////////////////////////////////////////////////////////////////
144
6bool 145bool
7rxvt_color::set (rxvt_term *t, Pixel p) 146rxvt_color::set (rxvt_display *display, Pixel p)
8{ 147{
9#if XFT 148#if XFT
10 XColor xc; 149 XColor xc;
11 150
12 xc.pixel = p; 151 xc.pixel = p;
13 if (!XQueryColor (t->Xdisplay, t->Xcmap, &xc)) 152 if (!XQueryColor (display->display, display->cmap, &xc))
14 return false; 153 return false;
15 154
16 XRenderColor d; 155 XRenderColor d;
17 156
18 d.red = xc.red; 157 d.red = xc.red;
19 d.green = xc.green; 158 d.green = xc.green;
20 d.blue = xc.blue; 159 d.blue = xc.blue;
21 d.alpha = 0xffff; 160 d.alpha = 0xffff;
22 161
23 return 162 return
24 XftColorAllocValue (t->Xdisplay, 163 XftColorAllocValue (display->display,
25 t->Xvisual, 164 display->visual,
26 t->Xcmap, 165 display->cmap,
27 &d,
28 &c); 166 &d, &c);
29#else 167#else
30 this->p = p; 168 this->p = p;
31#endif 169#endif
32 170
33 return true; 171 return true;
34} 172}
35 173
36bool 174bool
37rxvt_color::set (rxvt_term *t, const char *name) 175rxvt_color::set (rxvt_display *display, const char *name)
38{ 176{
39 XColor xc; 177 XColor xc;
40 178
41 if (XParseColor (t->Xdisplay, t->Xcmap, name, &xc)) 179 if (XParseColor (display->display, display->cmap, name, &xc))
42 return set (t, xc.red, xc.green, xc.blue); 180 return set (display, xc.red, xc.green, xc.blue);
43 181
44 return false; 182 return false;
45} 183}
46 184
47bool 185bool
48rxvt_color::set (rxvt_term *t, unsigned short cr, unsigned short cg, unsigned short cb) 186rxvt_color::set (rxvt_display *display, unsigned short cr, unsigned short cg, unsigned short cb)
49{ 187{
50 XColor xc; 188 XColor xc;
51 189
52 xc.red = cr; 190 xc.red = cr;
53 xc.green = cg; 191 xc.green = cg;
54 xc.blue = cb; 192 xc.blue = cb;
55 xc.flags = DoRed | DoGreen | DoBlue; 193 xc.flags = DoRed | DoGreen | DoBlue;
56 194
57 if (XAllocColor (t->Xdisplay, t->Xcmap, &xc)) 195 if (XAllocColor (display->display, display->cmap, &xc))
58 return set (t, xc.pixel); 196 return set (display, xc.pixel);
59 197
60 return false; 198 return false;
61} 199}
62 200
63void 201void
64rxvt_color::get (rxvt_term *t, unsigned short &cr, unsigned short &cg, unsigned short &cb) 202rxvt_color::get (rxvt_display *display, unsigned short &cr, unsigned short &cg, unsigned short &cb)
65{ 203{
66#if XFT 204#if XFT
67 cr = c.color.red; 205 cr = c.color.red;
68 cg = c.color.green; 206 cg = c.color.green;
69 cb = c.color.blue; 207 cb = c.color.blue;
70#else 208#else
71 XColor c; 209 XColor c;
72 210
73 c.pixel = p; 211 c.pixel = p;
74 XQueryColor (t->Xdisplay, t->Xcmap, &c); 212 XQueryColor (display->display, display->cmap, &c);
75 213
76 cr = c.red; 214 cr = c.red;
77 cg = c.green; 215 cg = c.green;
78 cb = c.blue; 216 cb = c.blue;
79#endif 217#endif
80} 218}
81 219
220void
221rxvt_color::free (rxvt_display *display)
222{
223#if XFT
224 XftColorFree (display->display, display->visual, display->cmap, &c);
225#else
226 XFreeColors (display->display, display->cmap, &c, 1, AllPlanes);
227#endif
228}
229

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