rxvt-unicode/src/rxvtcolor.h

#ifndef RXVT_COLOR_H
#define RXVT_COLOR_H

#include <X11/Xlib.h>

#if XFT
# include <X11/Xft/Xft.h>
#endif

#include "iom.h"

#include "rxvtlib.h"
#include "rxvtstl.h"

#include "callback.h"

struct rxvt_term;

struct im_watcher;
struct xevent_watcher;

struct refcounted {
  int referenced;
  char *id;

  refcounted (const char *id);
  bool init () { return false; }
  ~refcounted ();
};

template<class T>
struct refcache : vector<T *> {
  T *get (const char *id);
  void put (T *obj);
  ~refcache ();
};

/////////////////////////////////////////////////////////////////////////////

struct rxvt_xim : refcounted {
  void destroy ();
  rxvt_display *display;

//public
  XIM xim;

  rxvt_xim (const char *id) : refcounted (id) { }
  bool init ();
  ~rxvt_xim ();
};

struct rxvt_display : refcounted {
  Atom xa_xim_servers;

  io_manager_vec<xevent_watcher> xw;

  io_watcher x_ev; void x_cb (io_watcher &w, short revents);

  refcache<rxvt_xim> xims;
  vector<im_watcher *> imw;

  void im_change_cb ();

//public
  Display  *display;
  int      depth;
  int      screen;
  Visual   *visual;
  Colormap cmap;
  Window   root;
  rxvt_term *selection_owner;

  rxvt_display (const char *id);
  bool init ();
  ~rxvt_display ();

  void flush ();

  void reg (xevent_watcher *w);
  void unreg (xevent_watcher *w);
  void reg (im_watcher *w);
  void unreg (im_watcher *w);

  void set_selection_owner (rxvt_term *owner);

  rxvt_xim *get_xim (const char *locale, const char *modifiers);
  void put_xim (rxvt_xim *xim);
};

struct im_watcher : watcher, callback0<void> {
  template<class O1, class O2>
  im_watcher (O1 *object, void (O2::*method) ())
  : callback0<void> (object,method)
  { }

  void start (rxvt_display *display)
  {
    display->reg (this);
  }
  void stop (rxvt_display *display)
  {
    display->unreg (this);
  }
};

struct xevent_watcher : watcher, callback1<void, XEvent &> {
  Window window;

  template<class O1, class O2>
  xevent_watcher (O1 *object, void (O2::*method) (XEvent &))
  : callback1<void, XEvent &> (object,method)
  { }

  void start (rxvt_display *display, Window window)
  {
    this->window = window;
    display->reg (this);
  }
  void stop (rxvt_display *display)
  {
    display->unreg (this);
  }
};

extern refcache<rxvt_display> displays;

/////////////////////////////////////////////////////////////////////////////

typedef unsigned long Pixel;

struct rxvt_color {
#if XFT
  XftColor c;
  operator Pixel () const { return c.pixel; }
#else
  Pixel p;
  operator Pixel () const { return p; }
#endif

  bool operator == (const rxvt_color &b) const { return Pixel (*this) == Pixel (b); }
  bool operator != (const rxvt_color &b) const { return Pixel (*this) != Pixel (b); }

  void get (rxvt_display *display, unsigned short &cr, unsigned short &cg, unsigned short &cb);
 
  bool set (rxvt_display *display, Pixel p);
  bool set (rxvt_display *display, const char *name);
  bool set (rxvt_display *display, unsigned short cr, unsigned short cg, unsigned short cb);

  void free (rxvt_display *display);
};

#endif

Revision:	1.9
Committed:	Wed Feb 25 15:06:05 2004 UTC (20 years, 3 months ago) by pcg
Content type:	text/plain
Branch:	MAIN
CVS Tags:	rel-2_1_0, rxvt-2-0, rel-2_4, rel-2_5, rel-2_2, rel-2_3, rel-2_0, rel-1-9, rel-1_9
Changes since 1.8:	+1 -2 lines
Log Message:	* empty log message *
#	User	Rev	Content
1	pcg	1.1	#ifndef RXVT_COLOR_H
2			#define RXVT_COLOR_H
3
4			#include <X11/Xlib.h>
5
6			#if XFT
7			# include <X11/Xft/Xft.h>
8			#endif
9
10	pcg	1.3	#include "iom.h"
11
12	pcg	1.1	#include "rxvtlib.h"
13	pcg	1.3	#include "rxvtstl.h"
14
15			#include "callback.h"
16	pcg	1.1
17	pcg	1.4	struct rxvt_term;
18	pcg	1.1
19	pcg	1.5	struct im_watcher;
20	pcg	1.3	struct xevent_watcher;
21
22	pcg	1.5	struct refcounted {
23	pcg	1.3	int referenced;
24	pcg	1.5	char *id;
25
26			refcounted (const char *id);
27	pcg	1.8	bool init () { return false; }
28	pcg	1.5	~refcounted ();
29			};
30
31			template<class T>
32			struct refcache : vector<T *> {
33			T get (const char id);
34			void put (T *obj);
35			~refcache ();
36			};
37
38			/////////////////////////////////////////////////////////////////////////////
39
40			struct rxvt_xim : refcounted {
41			void destroy ();
42			rxvt_display *display;
43
44			//public
45			XIM xim;
46
47			rxvt_xim (const char *id) : refcounted (id) { }
48			bool init ();
49			~rxvt_xim ();
50			};
51
52			struct rxvt_display : refcounted {
53			Atom xa_xim_servers;
54	pcg	1.4
55	pcg	1.3	io_manager_vec<xevent_watcher> xw;
56	pcg	1.5
57	pcg	1.6	io_watcher x_ev; void x_cb (io_watcher &w, short revents);
58	pcg	1.3
59	pcg	1.5	refcache<rxvt_xim> xims;
60			vector<im_watcher *> imw;
61
62			void im_change_cb ();
63
64	pcg	1.3	//public
65			Display *display;
66			int depth;
67			int screen;
68			Visual *visual;
69			Colormap cmap;
70			Window root;
71	pcg	1.9	rxvt_term *selection_owner;
72	pcg	1.3
73	pcg	1.5	rxvt_display (const char *id);
74			bool init ();
75			~rxvt_display ();
76	pcg	1.3
77	pcg	1.6	void flush ();
78
79	pcg	1.3	void reg (xevent_watcher *w);
80			void unreg (xevent_watcher *w);
81	pcg	1.5	void reg (im_watcher *w);
82			void unreg (im_watcher *w);
83
84			void set_selection_owner (rxvt_term *owner);
85
86			rxvt_xim get_xim (const char locale, const char *modifiers);
87			void put_xim (rxvt_xim *xim);
88			};
89	pcg	1.3
90	pcg	1.5	struct im_watcher : watcher, callback0<void> {
91			template<class O1, class O2>
92	pcg	1.7	im_watcher (O1 object, void (O2::method) ())
93			: callback0<void> (object,method)
94	pcg	1.5	{ }
95	pcg	1.4
96	pcg	1.5	void start (rxvt_display *display)
97			{
98			display->reg (this);
99			}
100			void stop (rxvt_display *display)
101			{
102			display->unreg (this);
103			}
104	pcg	1.3	};
105
106			struct xevent_watcher : watcher, callback1<void, XEvent &> {
107			Window window;
108
109			template<class O1, class O2>
110	pcg	1.7	xevent_watcher (O1 object, void (O2::method) (XEvent &))
111			: callback1<void, XEvent &> (object,method)
112	pcg	1.3	{ }
113
114			void start (rxvt_display *display, Window window)
115			{
116			this->window = window;
117			display->reg (this);
118			}
119			void stop (rxvt_display *display)
120			{
121			display->unreg (this);
122			}
123			};
124
125	pcg	1.5	extern refcache<rxvt_display> displays;
126	pcg	1.3
127	pcg	1.5	/////////////////////////////////////////////////////////////////////////////
128	pcg	1.3
129	pcg	1.1	typedef unsigned long Pixel;
130
131			struct rxvt_color {
132			#if XFT
133	pcg	1.3	XftColor c;
134	pcg	1.7	operator Pixel () const { return c.pixel; }
135	pcg	1.1	#else
136	pcg	1.3	Pixel p;
137	pcg	1.7	operator Pixel () const { return p; }
138	pcg	1.1	#endif
139
140	pcg	1.7	bool operator == (const rxvt_color &b) const { return Pixel (*this) == Pixel (b); }
141			bool operator != (const rxvt_color &b) const { return Pixel (*this) != Pixel (b); }
142	pcg	1.1
143	pcg	1.3	void get (rxvt_display *display, unsigned short &cr, unsigned short &cg, unsigned short &cb);
144
145			bool set (rxvt_display *display, Pixel p);
146			bool set (rxvt_display display, const char name);
147			bool set (rxvt_display *display, unsigned short cr, unsigned short cg, unsigned short cb);
148
149			void free (rxvt_display *display);
150	pcg	1.1	};
151
152			#endif
153