1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
|
#include "screen.h"
#include "signals.h"
#include "terminal/input.h"
static char get_choice(Terminal *term, const char *choices, unsigned int esc_timeout)
{
KeyCode key = term_read_key(term, esc_timeout);
if (key == KEY_NONE) {
return 0;
}
switch (key) {
case KEY_BRACKETED_PASTE:
case KEY_DETECTED_PASTE:
term_discard_paste(&term->ibuf, key == KEY_BRACKETED_PASTE);
return 0;
case MOD_CTRL | 'c':
case MOD_CTRL | 'g':
case MOD_CTRL | '[':
return 0x18; // Cancel
case KEY_ENTER:
return choices[0]; // Default
}
if (key < 128) {
char ch = ascii_tolower(key);
if (strchr(choices, ch)) {
return ch;
}
}
return 0;
}
static void show_dialog (
EditorState *e,
const TermColor *text_color,
const char *question
) {
Terminal *term = &e->terminal;
unsigned int question_width = u_str_width(question);
unsigned int min_width = question_width + 2;
if (term->height < 12 || term->width < min_width) {
return;
}
unsigned int height = term->height / 4;
unsigned int mid = term->height / 2;
unsigned int top = mid - (height / 2);
unsigned int bot = top + height;
unsigned int width = MAX(term->width / 2, min_width);
unsigned int x = (term->width - width) / 2;
// The "underline" and "strikethrough" attributes should only apply
// to the text, not the whole dialog background:
TermColor dialog_color = *text_color;
TermOutputBuffer *obuf = &term->obuf;
dialog_color.attr &= ~(ATTR_UNDERLINE | ATTR_STRIKETHROUGH);
set_color(term, &e->colors, &dialog_color);
for (unsigned int y = top; y < bot; y++) {
term_output_reset(term, x, width, 0);
term_move_cursor(obuf, x, y);
if (y == mid) {
term_set_bytes(term, ' ', (width - question_width) / 2);
set_color(term, &e->colors, text_color);
term_add_str(obuf, question);
set_color(term, &e->colors, &dialog_color);
}
term_clear_eol(term);
}
}
char dialog_prompt(EditorState *e, const char *question, const char *choices)
{
const TermColor *color = &e->colors.builtin[BC_DIALOG];
Terminal *term = &e->terminal;
TermOutputBuffer *obuf = &term->obuf;
normal_update(e);
term_hide_cursor(term);
show_dialog(e, color, question);
show_message(term, &e->colors, question, false);
term_output_flush(obuf);
unsigned int esc_timeout = e->options.esc_timeout;
char choice;
while ((choice = get_choice(term, choices, esc_timeout)) == 0) {
if (!resized) {
continue;
}
ui_resize(e);
term_hide_cursor(term);
show_dialog(e, color, question);
show_message(term, &e->colors, question, false);
term_output_flush(obuf);
}
mark_everything_changed(e);
return (choice >= 'a') ? choice : 0;
}
char status_prompt(EditorState *e, const char *question, const char *choices)
{
// update_buffer_windows() assumes these have been called for current view
view_update_cursor_x(e->view);
view_update_cursor_y(e->view);
view_update(e->view, e->options.scroll_margin);
// Set changed_line_min and changed_line_max before calling update_range()
mark_all_lines_changed(e->buffer);
Terminal *term = &e->terminal;
start_update(term);
update_term_title(term, e->buffer, e->options.set_window_title);
update_buffer_windows(e, e->buffer);
show_message(term, &e->colors, question, false);
end_update(e);
unsigned int esc_timeout = e->options.esc_timeout;
char choice;
while ((choice = get_choice(term, choices, esc_timeout)) == 0) {
if (!resized) {
continue;
}
ui_resize(e);
term_hide_cursor(term);
show_message(term, &e->colors, question, false);
restore_cursor(e);
term_show_cursor(term);
term_output_flush(&term->obuf);
}
return (choice >= 'a') ? choice : 0;
}
|
