1 /*
2  * Copyright (c) 2021 Omar Polo <op@omarpolo.com>
3  *
4  * Permission to use, copy, modify, and distribute this software for any
5  * purpose with or without fee is hereby granted, provided that the above
6  * copyright notice and this permission notice appear in all copies.
7  *
8  * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
9  * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
10  * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
11  * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
12  * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
13  * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
14  * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
15  */
16 
17 #ifndef UI_H
18 #define UI_H
19 
20 #include "telescope.h"
21 
22 extern int	 body_lines;
23 extern int	 body_cols;
24 
25 extern struct kmap global_map, minibuffer_map, *current_map, *base_map;
26 
27 struct excursion {
28 	int		 curs_x, curs_y;
29 	size_t		 line_off;
30 	struct vline	*current_line;
31 	struct vline	*top_line;
32 	size_t		 cpoff;
33 };
34 
35 enum pairs {
36 	PTL_BG = 1,
37 	PTL_TAB,
38 	PTL_CURR,
39 
40 	PBODY,
41 	PBLEFT,
42 	PBRIGHT,
43 
44 	PT,
45 	PT_PRFX,
46 	PT_TRAIL,
47 	PL,
48 	PL_PRFX,
49 	PL_TRAIL,
50 	PT1,
51 	PT1_PRFX,
52 	PT1_TRAIL,
53 	PT2,
54 	PT2_PRFX,
55 	PT2_TRAIL,
56 	PT3,
57 	PT3_PRFX,
58 	PT3_TRAIL,
59 	PI,
60 	PI_PRFX,
61 	PI_TRAIL,
62 	PQ,
63 	PQ_PRFX,
64 	PQ_TRAIL,
65 	PPSTART,
66 	PPSTART_PRFX,
67 	PPSTART_TRAIL,
68 	PP,
69 	PP_PRFX,
70 	PP_TRAIL,
71 	PPEND,
72 	PPEND_PRFX,
73 	PPEND_TRAIL,
74 
75 	PPATCH,
76 	PPATCH_PRFX,
77 	PPATCH_TRAIL,
78 	PPATCH_HDR,
79 	PPATCH_HDR_PRFX,
80 	PPATCH_HDR_TRAIL,
81 	PPATCH_HUNK_HDR,
82 	PPATCH_HUNK_HDR_PRFX,
83 	PPATCH_HUNK_HDR_TRAIL,
84 	PPATCH_ADD,
85 	PPATCH_ADD_PRFX,
86 	PPATCH_ADD_TRAIL,
87 	PPATCH_DEL,
88 	PPATCH_DEL_PRFX,
89 	PPATCH_DEL_TRAIL,
90 
91 	PCOMPL_PRFX,
92 	PCOMPL,
93 	PCOMPL_TRAIL,
94 
95 	PCOMPL_CURR_PRFX,
96 	PCOMPL_CURR,
97 	PCOMPL_CURR_TRAIL,
98 
99 	PHELP_PRFX,
100 	PHELP,
101 	PHELP_TRAIL,
102 
103 	PDOWNLOAD_PRFX,
104 	PDOWNLOAD,
105 	PDOWNLOAD_TRAIL,
106 
107 	PDOWNLOAD_DONE_PRFX,
108 	PDOWNLOAD_DONE,
109 	PDOWNLOAD_DONE_TRAIL,
110 
111 	PDOWNLOAD_INFO_PRFX,
112 	PDOWNLOAD_INFO,
113 	PDOWNLOAD_INFO_TRAIL,
114 
115 	PDOWNLOAD_WIN,
116 
117 	PMODELINE,
118 
119 	PMINIBUF,
120 };
121 
122 struct thiskey {
123 	short meta;
124 	int key;
125 	uint32_t cp;
126 };
127 extern struct thiskey thiskey;
128 
129 extern struct tab	*current_tab;
130 
131 extern struct buffer	 helpwin;
132 extern int		 help_lines, help_cols;
133 
134 extern struct buffer	 downloadwin;
135 
136 void		 save_excursion(struct excursion *, struct buffer *);
137 void		 restore_excursion(struct excursion *, struct buffer *);
138 void		 global_key_unbound(void);
139 struct buffer	*current_buffer(void);
140 struct vline	*adjust_line(struct vline *, struct buffer *);
141 void		 start_loading_anim(struct tab *);
142 
143 int		 ui_print_colors(void);
144 int		 ui_init(void);
145 void		 ui_main_loop(void);
146 void		 ui_on_tab_loaded(struct tab *);
147 void		 ui_on_tab_refresh(struct tab *);
148 const char	*ui_keyname(int);
149 void		 ui_toggle_side_window(int);
150 void		 ui_schedule_redraw(void);
151 void		 ui_after_message_hook(void);
152 void		 ui_require_input(struct tab *, int, int);
153 void		 ui_yornp(const char *, void (*)(int, struct tab *), struct tab *);
154 void		 ui_read(const char *, void (*)(const char *, struct tab *), struct tab *, const char *);
155 void		 ui_other_window(void);
156 void		 ui_suspend(void);
157 void		 ui_end(void);
158 
159 #endif