jcs.org
A tiling window manager
1/*
2 * Copyright (C) 2000, 2001, 2002, 2003, 2004 Shawn Betts <sabetts@vcn.bc.ca>
3 *
4 * This program is free software; you can redistribute it and/or modify it
5 * under the terms of the GNU General Public License as published by the Free
6 * Software Foundation; either version 2 of the License, or (at your option)
7 * any later version.
8 *
9 * This program is distributed in the hope that it will be useful, but WITHOUT
10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
12 * more details.
13 *
14 * You should have received a copy of the GNU General Public License along with
15 * this program; if not, write to the Free Software Foundation, Inc., 59 Temple
16 * Place, Suite 330, Boston, MA 02111-1307 USA.
17 */
18
19#ifndef GLOBALS_H
20#define GLOBALS_H
21
22#include "data.h"
23
24/* codes used in the cmdret code in actions.c */
25#define RET_SUCCESS 1
26#define RET_FAILURE 0
27
28#define FONT_HEIGHT(s) ((s)->xft_font->ascent + (s)->xft_font->descent)
29#define FONT_ASCENT(s) ((s)->xft_font->ascent)
30#define FONT_DESCENT(s) ((s)->xft_font->descent)
31
32#define MAX_FONT_WIDTH(f) (rp_font_width)
33
34#define WIN_EVENTS (StructureNotifyMask | PropertyChangeMask | \
35 ColormapChangeMask | FocusChangeMask)
36
37/*
38 * EMPTY is used when a frame doesn't contain a window, or a window doesn't
39 * have a frame. Any time a field refers to the number of a
40 * window/frame/screen/etc, Use EMPTY to denote a lack there of.
41 */
42#define EMPTY -1
43
44/* Possible values for defaults.window_list_style */
45#define STYLE_ROW 0
46#define STYLE_COLUMN 1
47
48/* Possible values for defaults.win_name */
49#define WIN_NAME_TITLE 0
50#define WIN_NAME_RES_CLASS 1
51#define WIN_NAME_RES_NAME 2
52
53/* Possible directions to traverse the completions list. */
54#define COMPLETION_NEXT 0
55#define COMPLETION_PREVIOUS 1
56
57/* Font styles */
58#define STYLE_NORMAL 0
59#define STYLE_INVERSE 1
60
61/* Whether or not we support xrandr */
62extern int rp_have_xrandr;
63
64/*
65 * Each child process is stored in this list. spawn, creates a new entry in
66 * this list, the SIGCHLD handler sets child.terminated to be true and
67 * handle_signals in events.c processes each terminated process by printing a
68 * message saying the process ended and displaying it's exit code.
69 */
70extern struct list_head rp_children;
71
72extern struct rp_defaults defaults;
73
74/* Cached font info. */
75extern int rp_font_ascent, rp_font_descent, rp_font_width;
76
77/* The prefix key also known as the command character under screen. */
78extern struct rp_key prefix_key;
79
80/*
81 * A list of mapped windows. These windows show up in the window list and have
82 * a number assigned to them.
83 */
84extern struct list_head rp_mapped_window;
85
86/*
87 * A list of unmapped windows. These windows do not have a number assigned to
88 * them and are not visible/active.
89 */
90extern struct list_head rp_unmapped_window;
91
92/* The list of screens. */
93extern struct list_head rp_screens;
94extern rp_screen *rp_current_screen;
95extern rp_global_screen rp_glob_screen;
96
97extern Display *dpy;
98
99extern XEvent rp_current_event;
100
101extern Atom rp_selection;
102
103extern Atom wm_name;
104extern Atom wm_state;
105extern Atom wm_change_state;
106extern Atom wm_protocols;
107extern Atom wm_delete;
108extern Atom wm_take_focus;
109extern Atom wm_colormaps;
110
111/* TEXT atoms */
112extern Atom xa_string;
113extern Atom xa_compound_text;
114extern Atom xa_utf8_string;
115
116/* netwm atoms. */
117extern Atom _net_active_window;
118extern Atom _net_client_list;
119extern Atom _net_client_list_stacking;
120extern Atom _net_current_desktop;
121extern Atom _net_number_of_desktops;
122extern Atom _net_supported;
123extern Atom _net_workarea;
124extern Atom _net_wm_name;
125extern Atom _net_wm_pid;
126extern Atom _net_wm_state;
127#define _NET_WM_STATE_REMOVE 0 /* remove/unset property */
128#define _NET_WM_STATE_ADD 1 /* add/set property */
129#define _NET_WM_STATE_TOGGLE 2 /* toggle property */
130extern Atom _net_wm_state_fullscreen;
131extern Atom _net_wm_window_type;
132extern Atom _net_wm_window_type_dialog;
133extern Atom _net_wm_window_type_dock;
134extern Atom _net_wm_window_type_splash;
135extern Atom _net_wm_window_type_tooltip;
136extern Atom _net_wm_window_type_utility;
137extern Atom _net_supporting_wm_check;
138
139/*
140 * When unmapping or deleting windows, it is sometimes helpful to ignore a bad
141 * window when attempting to clean the window up. This does just that when set
142 * to 1
143 */
144extern int ignore_badwindow;
145
146/* Arguments passed at startup. */
147extern char **myargv;
148
149/* Keeps track of which mod mask each modifier is under. */
150extern struct modifier_info rp_modifier_info;
151
152/*
153 * nonzero if an alarm signal was raised. This means we should hide our
154 * popup windows.
155 */
156extern int alarm_signalled;
157extern int kill_signalled;
158extern int hup_signalled;
159extern int chld_signalled;
160
161/* rudeness levels */
162extern int rp_honour_transient_raise;
163extern int rp_honour_normal_raise;
164extern int rp_honour_transient_map;
165extern int rp_honour_normal_map;
166extern int rp_honour_vscreen_switch;
167
168/* Keep track of X11 error messages. */
169extern char *rp_error_msg;
170
171/* Number sets for windows. */
172extern struct numset *rp_window_numset;
173
174extern struct list_head rp_key_hook;
175extern struct list_head rp_switch_win_hook;
176extern struct list_head rp_switch_frame_hook;
177extern struct list_head rp_switch_screen_hook;
178extern struct list_head rp_switch_vscreen_hook;
179extern struct list_head rp_delete_window_hook;
180extern struct list_head rp_quit_hook;
181extern struct list_head rp_restart_hook;
182extern struct list_head rp_new_window_hook;
183extern struct list_head rp_title_changed_hook;
184
185extern struct rp_hook_db_entry rp_hook_db[];
186
187void set_rp_window_focus(rp_window * win);
188void set_window_focus(Window window);
189
190extern struct numset *rp_frame_numset;
191
192/* Selection handling globals */
193extern rp_xselection selection;
194void set_selection(char *txt);
195void set_nselection(char *txt, int len);
196char *get_selection(void);
197
198/* Wrapper font functions to support Xft */
199
200XftFont *rp_get_font(rp_screen *s, char *font);
201void rp_clear_cached_fonts(rp_screen *s);
202void rp_draw_string(rp_screen *s, Drawable d, int style, int x, int y,
203 char *string, int length, char *font, char *color);
204int rp_text_width(rp_screen *s, char *string, int count, char *font);
205
206void check_child_procs(void);
207void chld_handler(int signum);
208void set_sig_handler(int sig, void (*action)(int));
209void set_close_on_exec(int fd);
210void read_rc_file(FILE *file);
211const char *get_homedir(void);
212char *get_config_dir(void);
213void clean_up(void);
214
215void register_atom(Atom *a, char *name);
216int set_atom(Window w, Atom a, Atom type, unsigned long *val,
217 unsigned long nitems);
218int append_atom(Window w, Atom a, Atom type, unsigned long *val,
219 unsigned long nitems);
220unsigned long get_atom(Window w, Atom a, Atom type, unsigned long off,
221 unsigned long *ret, unsigned long nitems, unsigned long *left);
222void remove_atom(Window w, Atom a, Atom type, unsigned long remove);
223
224#endif