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
|
-- helpers for the search bar (C-f)
function Text.draw_search_bar()
local h = Editor_state.line_height+2
local y = App.screen.height-h
love.graphics.setColor(0.9,0.9,0.9)
love.graphics.rectangle('fill', 0, y-10, App.screen.width-1, h+8)
love.graphics.setColor(0.6,0.6,0.6)
love.graphics.line(0, y-10, App.screen.width-1, y-10)
love.graphics.setColor(1,1,1)
love.graphics.rectangle('fill', 20, y-6, App.screen.width-40, h+2, 2,2)
love.graphics.setColor(0.6,0.6,0.6)
love.graphics.rectangle('line', 20, y-6, App.screen.width-40, h+2, 2,2)
App.color(Text_color)
App.screen.print(Editor_state.search_term, 25,y-5)
App.color(Cursor_color)
if Editor_state.search_text == nil then
Editor_state.search_text = App.newText(love.graphics.getFont(), Editor_state.search_term)
end
love.graphics.circle('fill', 25+App.width(Editor_state.search_text),y-5+h, 2)
App.color(Text_color)
end
function Text.search_next()
-- search current line
local pos = Editor_state.lines[Editor_state.cursor1.line].data:find(Editor_state.search_term, Editor_state.cursor1.pos)
if pos then
Editor_state.cursor1.pos = pos
end
if pos == nil then
for i=Editor_state.cursor1.line+1,#Editor_state.lines do
pos = Editor_state.lines[i].data:find(Editor_state.search_term)
if pos then
Editor_state.cursor1.line = i
Editor_state.cursor1.pos = pos
break
end
end
end
if pos == nil then
-- wrap around
for i=1,Editor_state.cursor1.line-1 do
pos = Editor_state.lines[i].data:find(Editor_state.search_term)
if pos then
Editor_state.cursor1.line = i
Editor_state.cursor1.pos = pos
break
end
end
end
if pos == nil then
Editor_state.cursor1.line = Editor_state.search_backup.cursor.line
Editor_state.cursor1.pos = Editor_state.search_backup.cursor.pos
Editor_state.screen_top1.line = Editor_state.search_backup.screen_top.line
Editor_state.screen_top1.pos = Editor_state.search_backup.screen_top.pos
end
if Text.lt1(Editor_state.cursor1, Editor_state.screen_top1) or Text.lt1(Editor_state.screen_bottom1, Editor_state.cursor1) then
Editor_state.screen_top1.line = Editor_state.cursor1.line
local _, pos = Text.pos_at_start_of_cursor_screen_line(Editor_state.margin_left, App.screen.width-Editor_state.margin_right)
Editor_state.screen_top1.pos = pos
end
end
function Text.search_previous()
-- search current line
local pos = rfind(Editor_state.lines[Editor_state.cursor1.line].data, Editor_state.search_term, Editor_state.cursor1.pos)
if pos then
Editor_state.cursor1.pos = pos
end
if pos == nil then
for i=Editor_state.cursor1.line-1,1,-1 do
pos = rfind(Editor_state.lines[i].data, Editor_state.search_term)
if pos then
Editor_state.cursor1.line = i
Editor_state.cursor1.pos = pos
break
end
end
end
if pos == nil then
-- wrap around
for i=#Editor_state.lines,Editor_state.cursor1.line+1,-1 do
pos = rfind(Editor_state.lines[i].data, Editor_state.search_term)
if pos then
Editor_state.cursor1.line = i
Editor_state.cursor1.pos = pos
break
end
end
end
if pos == nil then
Editor_state.cursor1.line = Editor_state.search_backup.cursor.line
Editor_state.cursor1.pos = Editor_state.search_backup.cursor.pos
Editor_state.screen_top1.line = Editor_state.search_backup.screen_top.line
Editor_state.screen_top1.pos = Editor_state.search_backup.screen_top.pos
end
if Text.lt1(Editor_state.cursor1, Editor_state.screen_top1) or Text.lt1(Editor_state.screen_bottom1, Editor_state.cursor1) then
Editor_state.screen_top1.line = Editor_state.cursor1.line
local _, pos = Text.pos_at_start_of_cursor_screen_line(Editor_state.margin_left, App.screen.width-Editor_state.margin_right)
Editor_state.screen_top1.pos = pos
end
end
function rfind(s, pat, i)
local rs = s:reverse()
local rpat = pat:reverse()
if i == nil then i = #s end
local ri = #s - i + 1
local rendpos = rs:find(rpat, ri)
if rendpos == nil then return nil end
local endpos = #s - rendpos + 1
assert (endpos >= #pat)
return endpos-#pat+1
end
|