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"

// see rxvttoolkit.C:xa_names, which must be kept in sync
enum {
  XA_TEXT,
  XA_COMPOUND_TEXT,
  XA_UTF8_STRING,
  XA_MULTIPLE,
  XA_TARGETS,
  XA_TIMESTAMP,
  XA_VT_SELECTION,
  XA_INCR,
  XA_WM_PROTOCOLS,
  XA_WM_DELETE_WINDOW,
  XA_CLIPBOARD,
  XA_AVERAGE_WIDTH,
  XA_WEIGHT_NAME,
  XA_SLANT,
  XA_CHARSET_REGISTRY,
  XA_CHARSET_ENCODING,
#if ENABLE_FRILLS
  XA_MOTIF_WM_HINTS,
#endif
#if ENABLE_EWMH
  XA_NET_WM_PID,
  XA_NET_WM_NAME,
  XA_NET_WM_ICON_NAME,
  XA_NET_WM_PING,
#endif
#if USE_XIM
  XA_WM_LOCALE_NAME,
  XA_XIM_SERVERS,
#endif
#if TRANSPARENT
  XA_XROOTPMAP_ID,
  XA_ESETROOT_PMAP_ID,
#endif
#if ENABLE_XEMBED
  XA_XEMBED,
  XA_XEMBED_INFO,
#endif
#if !ENABLE_MINIMAL
  // these are usually allocated by other subsystens, but we do it
  // here to avoid a server roundtrip.
  XA_SCREEN_RESOURCES,
  XA_XDCCC_LINEAR_RGB_CORRECTION,
  XA_XDCCC_LINEAR_RGB_MATRICES,
  XA_WM_COLORMAP_WINDOWS,
  XA_WM_STATE,
  XA_cursor,
# if USE_XIM
  // various selection targets used by XIM
  XA_TRANSPORT,
  XA_LOCALES,
  XA__XIM_PROTOCOL,
  XA__XIM_XCONNECT,
  XA__XIM_MOREDATA,
# endif
#endif
  NUM_XA
};

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_screen {
  rxvt_display *display;
  Display *xdisp;
  int depth;
  Visual *visual;
  Colormap cmap;

  void set (rxvt_display *disp);
  void set (rxvt_display *disp, int bitdepth);
  void clear ();
};

struct rxvt_display : refcounted {
  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       screen;
  Window    root;
  rxvt_term *selection_owner;
  Atom      xa[NUM_XA];
#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 ();

  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_rgba {
  unsigned short r, g, b, a;

  enum { MIN_CC = 0x0000, MAX_CC  = 0xffff };

  rxvt_rgba ()
  { }

  rxvt_rgba (unsigned short r, unsigned short g, unsigned short b, unsigned short a = MAX_CC)
  : r(r), g(g), b(b), a(a)
  { }
};

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); }

  bool alloc (rxvt_screen *screen, const rxvt_rgba &color);
  void free (rxvt_screen *screen);

  void get (rxvt_screen *screen, rxvt_rgba &color);
 
  bool set (rxvt_screen *screen, const char *name);
  bool set (rxvt_screen *screen, const rxvt_rgba &color);

  void fade (rxvt_screen *screen, int percent, rxvt_color &result, const rxvt_rgba &to = rxvt_rgba (0, 0, 0));
};

#endif

Revision:	1.18
Committed:	Tue Jan 31 16:57:35 2006 UTC (20 years, 8 months ago) by root
Content type:	text/plain
Branch:	MAIN
Changes since 1.17:	+1 -1 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	root	1.11	// see rxvttoolkit.C:xa_names, which must be kept in sync
21			enum {
22			XA_TEXT,
23			XA_COMPOUND_TEXT,
24			XA_UTF8_STRING,
25			XA_MULTIPLE,
26			XA_TARGETS,
27			XA_TIMESTAMP,
28			XA_VT_SELECTION,
29			XA_INCR,
30			XA_WM_PROTOCOLS,
31			XA_WM_DELETE_WINDOW,
32			XA_CLIPBOARD,
33	root	1.14	XA_AVERAGE_WIDTH,
34			XA_WEIGHT_NAME,
35			XA_SLANT,
36			XA_CHARSET_REGISTRY,
37			XA_CHARSET_ENCODING,
38	root	1.11	#if ENABLE_FRILLS
39			XA_MOTIF_WM_HINTS,
40			#endif
41			#if ENABLE_EWMH
42			XA_NET_WM_PID,
43			XA_NET_WM_NAME,
44			XA_NET_WM_ICON_NAME,
45			XA_NET_WM_PING,
46			#endif
47			#if USE_XIM
48			XA_WM_LOCALE_NAME,
49			XA_XIM_SERVERS,
50			#endif
51			#if TRANSPARENT
52			XA_XROOTPMAP_ID,
53			XA_ESETROOT_PMAP_ID,
54			#endif
55			#if ENABLE_XEMBED
56			XA_XEMBED,
57			XA_XEMBED_INFO,
58			#endif
59	root	1.14	#if !ENABLE_MINIMAL
60			// these are usually allocated by other subsystens, but we do it
61			// here to avoid a server roundtrip.
62			XA_SCREEN_RESOURCES,
63			XA_XDCCC_LINEAR_RGB_CORRECTION,
64			XA_XDCCC_LINEAR_RGB_MATRICES,
65			XA_WM_COLORMAP_WINDOWS,
66			XA_WM_STATE,
67	root	1.15	XA_cursor,
68			# if USE_XIM
69			// various selection targets used by XIM
70			XA_TRANSPORT,
71			XA_LOCALES,
72			XA__XIM_PROTOCOL,
73			XA__XIM_XCONNECT,
74			XA__XIM_MOREDATA,
75			# endif
76	root	1.14	#endif
77	root	1.11	NUM_XA
78			};
79
80	root	1.1	struct rxvt_term;
81	root	1.2	struct rxvt_display;
82	root	1.1
83			struct im_watcher;
84			struct xevent_watcher;
85
86			struct refcounted {
87			int referenced;
88			char *id;
89
90			refcounted (const char *id);
91	root	1.9	bool ref_init () { return false; }
92			void ref_next () { }
93	root	1.1	~refcounted ();
94			};
95
96			template<class T>
97			struct refcache : vector<T *> {
98			T get (const char id);
99			void put (T *obj);
100	root	1.7	void clear ();
101
102			~refcache ()
103			{
104			clear ();
105			}
106	root	1.1	};
107
108			/////////////////////////////////////////////////////////////////////////////
109
110			#ifdef USE_XIM
111			struct rxvt_xim : refcounted {
112			void destroy ();
113			rxvt_display *display;
114
115			//public
116			XIM xim;
117
118			rxvt_xim (const char *id) : refcounted (id) { }
119	root	1.9	bool ref_init ();
120	root	1.1	~rxvt_xim ();
121			};
122			#endif
123
124	root	1.12	struct rxvt_screen {
125			rxvt_display *display;
126			Display *xdisp;
127			int depth;
128			Visual *visual;
129			Colormap cmap;
130
131			void set (rxvt_display *disp);
132	root	1.13	void set (rxvt_display *disp, int bitdepth);
133	root	1.12	void clear ();
134			};
135
136	root	1.1	struct rxvt_display : refcounted {
137			io_manager_vec<xevent_watcher> xw;
138
139			io_watcher x_ev; void x_cb (io_watcher &w, short revents);
140
141			#ifdef USE_XIM
142			refcache<rxvt_xim> xims;
143			vector<im_watcher *> imw;
144
145			void im_change_cb ();
146	root	1.3	void im_change_check ();
147	root	1.1	#endif
148
149			//public
150	root	1.7	Display *display;
151			int screen;
152			Window root;
153	root	1.1	rxvt_term *selection_owner;
154	root	1.11	Atom xa[NUM_XA];
155	root	1.1	#ifndef NO_SLOW_LINK_SUPPORT
156	root	1.7	bool is_local;
157			#endif
158			#ifdef POINTER_BLANK
159			Cursor blank_cursor;
160	root	1.1	#endif
161
162			rxvt_display (const char *id);
163	root	1.9	XrmDatabase get_resources ();
164			bool ref_init ();
165			void ref_next ();
166	root	1.1	~rxvt_display ();
167
168			void flush ();
169	root	1.5	Atom atom (const char *name);
170	root	1.1	void set_selection_owner (rxvt_term *owner);
171
172			void reg (xevent_watcher *w);
173			void unreg (xevent_watcher *w);
174
175			#ifdef USE_XIM
176			void reg (im_watcher *w);
177			void unreg (im_watcher *w);
178
179			rxvt_xim get_xim (const char locale, const char *modifiers);
180			void put_xim (rxvt_xim *xim);
181			#endif
182			};
183
184			#ifdef USE_XIM
185			struct im_watcher : watcher, callback0<void> {
186			template<class O1, class O2>
187			im_watcher (O1 object, void (O2::method) ())
188			: callback0<void> (object,method)
189			{ }
190
191			void start (rxvt_display *display)
192			{
193			display->reg (this);
194			}
195			void stop (rxvt_display *display)
196			{
197			display->unreg (this);
198			}
199			};
200			#endif
201
202			struct xevent_watcher : watcher, callback1<void, XEvent &> {
203			Window window;
204
205			template<class O1, class O2>
206			xevent_watcher (O1 object, void (O2::method) (XEvent &))
207			: callback1<void, XEvent &> (object,method)
208			{ }
209
210			void start (rxvt_display *display, Window window)
211			{
212			this->window = window;
213			display->reg (this);
214			}
215			void stop (rxvt_display *display)
216			{
217			display->unreg (this);
218			}
219			};
220
221			extern refcache<rxvt_display> displays;
222
223			/////////////////////////////////////////////////////////////////////////////
224
225			typedef unsigned long Pixel;
226
227	root	1.13	struct rxvt_rgba {
228			unsigned short r, g, b, a;
229
230			enum { MIN_CC = 0x0000, MAX_CC = 0xffff };
231
232			rxvt_rgba ()
233			{ }
234
235			rxvt_rgba (unsigned short r, unsigned short g, unsigned short b, unsigned short a = MAX_CC)
236			: r(r), g(g), b(b), a(a)
237			{ }
238			};
239
240	root	1.1	struct rxvt_color {
241			#if XFT
242			XftColor c;
243			operator Pixel () const { return c.pixel; }
244			#else
245			Pixel p;
246			operator Pixel () const { return p; }
247			#endif
248
249			bool operator == (const rxvt_color &b) const { return Pixel (*this) == Pixel (b); }
250			bool operator != (const rxvt_color &b) const { return Pixel (*this) != Pixel (b); }
251
252	root	1.17	bool alloc (rxvt_screen *screen, const rxvt_rgba &color);
253	root	1.16	void free (rxvt_screen *screen);
254
255	root	1.17	void get (rxvt_screen *screen, rxvt_rgba &color);
256	root	1.1
257	root	1.12	bool set (rxvt_screen screen, const char name);
258	root	1.17	bool set (rxvt_screen *screen, const rxvt_rgba &color);
259	root	1.1
260	root	1.18	void fade (rxvt_screen *screen, int percent, rxvt_color &result, const rxvt_rgba &to = rxvt_rgba (0, 0, 0));
261	root	1.1	};
262
263			#endif
264