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 extern int	 body_lines;
21 extern int	 body_cols;
22 
23 extern struct kmap global_map, minibuffer_map, *current_map, *base_map;
24 
25 struct excursion {
26 	int		 curs_x, curs_y;
27 	size_t		 line_off;
28 	struct vline	*current_line;
29 	struct vline	*top_line;
30 	size_t		 point_offset;
31 };
32 
33 enum pairs {
34 	PTL_BG = 1,
35 	PTL_TAB,
36 	PTL_CURR,
37 
38 	PBODY,
39 	PBLEFT,
40 	PBRIGHT,
41 
42 	PT,
43 	PT_PRFX,
44 	PT_TRAIL,
45 	PL,
46 	PL_PRFX,
47 	PL_TRAIL,
48 	PT1,
49 	PT1_PRFX,
50 	PT1_TRAIL,
51 	PT2,
52 	PT2_PRFX,
53 	PT2_TRAIL,
54 	PT3,
55 	PT3_PRFX,
56 	PT3_TRAIL,
57 	PI,
58 	PI_PRFX,
59 	PI_TRAIL,
60 	PQ,
61 	PQ_PRFX,
62 	PQ_TRAIL,
63 	PPSTART,
64 	PPSTART_PRFX,
65 	PPSTART_TRAIL,
66 	PP,
67 	PP_PRFX,
68 	PP_TRAIL,
69 	PPEND,
70 	PPEND_PRFX,
71 	PPEND_TRAIL,
72 
73 	PPATCH,
74 	PPATCH_PRFX,
75 	PPATCH_TRAIL,
76 	PPATCH_HDR,
77 	PPATCH_HDR_PRFX,
78 	PPATCH_HDR_TRAIL,
79 	PPATCH_HUNK_HDR,
80 	PPATCH_HUNK_HDR_PRFX,
81 	PPATCH_HUNK_HDR_TRAIL,
82 	PPATCH_ADD,
83 	PPATCH_ADD_PRFX,
84 	PPATCH_ADD_TRAIL,
85 	PPATCH_DEL,
86 	PPATCH_DEL_PRFX,
87 	PPATCH_DEL_TRAIL,
88 
89 	PCOMPL_PRFX,
90 	PCOMPL,
91 	PCOMPL_TRAIL,
92 
93 	PCOMPL_CURR_PRFX,
94 	PCOMPL_CURR,
95 	PCOMPL_CURR_TRAIL,
96 
97 	PHELP_PRFX,
98 	PHELP,
99 	PHELP_TRAIL,
100 
101 	PDOWNLOAD_PRFX,
102 	PDOWNLOAD,
103 	PDOWNLOAD_TRAIL,
104 
105 	PDOWNLOAD_DONE_PRFX,
106 	PDOWNLOAD_DONE,
107 	PDOWNLOAD_DONE_TRAIL,
108 
109 	PDOWNLOAD_INFO_PRFX,
110 	PDOWNLOAD_INFO,
111 	PDOWNLOAD_INFO_TRAIL,
112 
113 	PDOWNLOAD_WIN,
114 
115 	PMODELINE,
116 
117 	PMINIBUF,
118 
119 	PFRINGE_PRFX,
120 	PFRINGE,
121 	PFRINGE_TRAIL,
122 };
123 
124 extern struct thiskey thiskey;
125 
126 extern struct tab	*current_tab;
127 
128 extern struct buffer	 helpwin;
129 extern int		 help_lines, help_cols;
130 
131 extern struct buffer	 downloadwin;
132 extern int		 download_lines;
133 extern int		 download_cols;
134 
135 void		 get_scroll_position(struct tab *, size_t *, size_t *);
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_init(void);
144 void		 ui_main_loop(void);
145 void		 ui_on_tab_loaded(struct tab *);
146 void		 ui_on_tab_refresh(struct tab *);
147 void		 ui_force_tab_refresh(struct tab *);
148 void		 ui_on_download_refresh(void);
149 void 		 ui_prompt_download_cmd(struct download *);
150 void		 ui_remotely_open_link(const char *);
151 const char	*ui_keyname(int);
152 void		 ui_toggle_side_window(int);
153 void		 ui_show_downloads_pane(void);
154 void		 ui_schedule_redraw(void);
155 void		 ui_after_message_hook(void);
156 void		 ui_require_input(struct tab *, int, void (*)(const char *));
157 void		 ui_yornp(const char *, void (*)(int, void *), void *);
158 void		 ui_read(const char *, void (*)(const char *, struct tab *), struct tab *, const char *);
159 void		 ui_other_window(void);
160 void		 ui_suspend(void);
161 void		 ui_resume(void);
162 void		 ui_end(void);
163 
164 #endif