rxvt-unicode/src/rxvttoolkit.h

/*
 * rxvttoolkit.h - provide toolkit-functionality for rxvt.
 */
#ifndef RXVT_TOOLKIT_H
#define RXVT_TOOLKIT_H

#include <X11/Xlib.h>

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

#include "iom.h"

#include "rxvtlib.h"
#include "rxvtutil.h"

#include "callback.h"

struct rxvt_term;
struct rxvt_display;

struct im_watcher;
struct xevent_watcher;

struct refcounted {
  int referenced;
  char *id;

  refcounted (const char *id);
  bool ref_init () { return false; }
  void ref_next () { }
  ~refcounted ();
};

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

  ~refcache ()
  {
    clear ();
  }
};

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

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

//public
  XIM xim;

  rxvt_xim (const char *id) : refcounted (id) { }
  bool ref_init ();
  ~rxvt_xim ();
};
#endif

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);

#ifdef USE_XIM
  refcache<rxvt_xim> xims;
  vector<im_watcher *> imw;

  void im_change_cb ();
  void im_change_check ();
#endif

//public
  Display   *display;
  int       depth;
  int       screen;
  Visual    *visual;
  Colormap  cmap;
  Window    root;
  rxvt_term *selection_owner;
#ifndef NO_SLOW_LINK_SUPPORT
  bool      is_local;
#endif
#ifdef POINTER_BLANK
  Cursor    blank_cursor;
#endif

  rxvt_display (const char *id);
  XrmDatabase get_resources ();
  bool ref_init ();
  void ref_next ();
  ~rxvt_display ();

  operator Display *() const { return display; }

  void flush ();
  Atom atom (const char *name);
  void set_selection_owner (rxvt_term *owner);

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

#ifdef USE_XIM
  void reg (im_watcher *w);
  void unreg (im_watcher *w);

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

#ifdef USE_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);
  }
};
#endif

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);

  rxvt_color fade (rxvt_display *, int percent); // fades to black
  rxvt_color fade (rxvt_display *, int percent, rxvt_color &fadeto);

  void free (rxvt_display *display);
};

#endif

Revision:	1.9
Committed:	Wed Jan 11 00:59:58 2006 UTC (18 years, 4 months ago) by root
Content type:	text/plain
Branch:	MAIN
Changes since 1.8:	+6 -3 lines
Log Message:	* empty log message *
#	User	Rev	Content
1	root	1.1	/*
2			* rxvttoolkit.h - provide toolkit-functionality for rxvt.
3			*/
4			#ifndef RXVT_TOOLKIT_H
5			#define RXVT_TOOLKIT_H
6
7			#include <X11/Xlib.h>
8
9			#if XFT
10			# include <X11/Xft/Xft.h>
11			#endif
12
13			#include "iom.h"
14
15			#include "rxvtlib.h"
16			#include "rxvtutil.h"
17
18			#include "callback.h"
19
20			struct rxvt_term;
21	root	1.2	struct rxvt_display;
22	root	1.1
23			struct im_watcher;
24			struct xevent_watcher;
25
26			struct refcounted {
27			int referenced;
28			char *id;
29
30			refcounted (const char *id);
31	root	1.9	bool ref_init () { return false; }
32			void ref_next () { }
33	root	1.1	~refcounted ();
34			};
35
36			template<class T>
37			struct refcache : vector<T *> {
38			T get (const char id);
39			void put (T *obj);
40	root	1.7	void clear ();
41
42			~refcache ()
43			{
44			clear ();
45			}
46	root	1.1	};
47
48			/////////////////////////////////////////////////////////////////////////////
49
50			#ifdef USE_XIM
51			struct rxvt_xim : refcounted {
52			void destroy ();
53			rxvt_display *display;
54
55			//public
56			XIM xim;
57
58			rxvt_xim (const char *id) : refcounted (id) { }
59	root	1.9	bool ref_init ();
60	root	1.1	~rxvt_xim ();
61			};
62			#endif
63
64			struct rxvt_display : refcounted {
65			Atom xa_xim_servers;
66
67			io_manager_vec<xevent_watcher> xw;
68
69			io_watcher x_ev; void x_cb (io_watcher &w, short revents);
70
71			#ifdef USE_XIM
72			refcache<rxvt_xim> xims;
73			vector<im_watcher *> imw;
74
75			void im_change_cb ();
76	root	1.3	void im_change_check ();
77	root	1.1	#endif
78
79			//public
80	root	1.7	Display *display;
81			int depth;
82			int screen;
83			Visual *visual;
84			Colormap cmap;
85			Window root;
86	root	1.1	rxvt_term *selection_owner;
87			#ifndef NO_SLOW_LINK_SUPPORT
88	root	1.7	bool is_local;
89			#endif
90			#ifdef POINTER_BLANK
91			Cursor blank_cursor;
92	root	1.1	#endif
93
94			rxvt_display (const char *id);
95	root	1.9	XrmDatabase get_resources ();
96			bool ref_init ();
97			void ref_next ();
98	root	1.1	~rxvt_display ();
99
100	root	1.4	operator Display *() const { return display; }
101
102	root	1.1	void flush ();
103	root	1.5	Atom atom (const char *name);
104	root	1.1	void set_selection_owner (rxvt_term *owner);
105
106			void reg (xevent_watcher *w);
107			void unreg (xevent_watcher *w);
108
109			#ifdef USE_XIM
110			void reg (im_watcher *w);
111			void unreg (im_watcher *w);
112
113			rxvt_xim get_xim (const char locale, const char *modifiers);
114			void put_xim (rxvt_xim *xim);
115			#endif
116			};
117
118			#ifdef USE_XIM
119			struct im_watcher : watcher, callback0<void> {
120			template<class O1, class O2>
121			im_watcher (O1 object, void (O2::method) ())
122			: callback0<void> (object,method)
123			{ }
124
125			void start (rxvt_display *display)
126			{
127			display->reg (this);
128			}
129			void stop (rxvt_display *display)
130			{
131			display->unreg (this);
132			}
133			};
134			#endif
135
136			struct xevent_watcher : watcher, callback1<void, XEvent &> {
137			Window window;
138
139			template<class O1, class O2>
140			xevent_watcher (O1 object, void (O2::method) (XEvent &))
141			: callback1<void, XEvent &> (object,method)
142			{ }
143
144			void start (rxvt_display *display, Window window)
145			{
146			this->window = window;
147			display->reg (this);
148			}
149			void stop (rxvt_display *display)
150			{
151			display->unreg (this);
152			}
153			};
154
155			extern refcache<rxvt_display> displays;
156
157			/////////////////////////////////////////////////////////////////////////////
158
159			typedef unsigned long Pixel;
160
161			struct rxvt_color {
162			#if XFT
163			XftColor c;
164			operator Pixel () const { return c.pixel; }
165			#else
166			Pixel p;
167			operator Pixel () const { return p; }
168			#endif
169
170			bool operator == (const rxvt_color &b) const { return Pixel (*this) == Pixel (b); }
171			bool operator != (const rxvt_color &b) const { return Pixel (*this) != Pixel (b); }
172
173			void get (rxvt_display *display, unsigned short &cr, unsigned short &cg, unsigned short &cb);
174
175			bool set (rxvt_display *display, Pixel p);
176			bool set (rxvt_display display, const char name);
177			bool set (rxvt_display *display, unsigned short cr, unsigned short cg, unsigned short cb);
178
179	root	1.8	rxvt_color fade (rxvt_display *, int percent); // fades to black
180			rxvt_color fade (rxvt_display *, int percent, rxvt_color &fadeto);
181	root	1.1
182			void free (rxvt_display *display);
183			};
184
185			#endif
186