/
hidecrash.py
executable file
·157 lines (122 loc) · 4.92 KB
/
hidecrash.py
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
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
#!/usr/bin/env python3
###############################################################################
#
# Test crashing with hidden text.
#
###############################################################################
import gi
from gi.repository import Gtk, Gdk, GtkSource, Pango
#------------------------------------------------------------------------------
# Create buffer, set up tags and add text
#------------------------------------------------------------------------------
buf = GtkSource.Buffer()
#------------------------------------------------------------------------------
buf.set_highlight_matching_brackets(False)
marktag = buf.create_tag("mark", background = "#DDF")
hidetag = buf.create_tag("hide", background = "#FDD", invisible = True)
def get_insert_iter():
return buf.get_iter_at_mark(buf.get_insert())
def insert_hidden(prefix, hidden, postfix):
insert = get_insert_iter()
start = buf.create_mark(None, insert, True)
buf.insert(insert, prefix)
buf.insert_with_tags(insert, hidden, hidetag)
buf.insert(insert, postfix)
buf.apply_tag(marktag, buf.get_iter_at_mark(start), insert)
buf.delete_mark(start)
def insert(text): buf.insert_at_cursor(text)
#------------------------------------------------------------------------------
insert(
"Test cases for hidden texts in text/sourceview.\n" +
"\n" +
" Ctrl - T Toggle visibility\n" +
" Ctrl - F Apply hide tag to selection\n" +
" Ctrl - R Remove hide tags from buffer\n" +
" Ctrl - Q Quit\n" +
"\n"
)
#------------------------------------------------------------------------------
insert("marked: -->")
#buf.create_source_mark("a", "mark", get_insert_iter())
insert("\nLine 1\nLine 2\nLine 3\n")
buf.create_source_mark("b", "mark", get_insert_iter())
insert("<--\n\n")
#------------------------------------------------------------------------------
insert("Text with hidden parts in between (no crash):\n\n")
insert("Hidden text: ")
insert_hidden("-->", "Hidden text", "<--")
insert("\n\n")
#------------------------------------------------------------------------------
insert("Hidden text with newlines (no crash):\n\n")
insert("Trailing <cr> hidden\n\n")
insert_hidden("-->", "Hidden Lines:\nLine 1\nLine 2\nLine 3", "<--")
insert("\n\n")
#------------------------------------------------------------------------------
insert("Trailing <cr> not hidden\n\n")
insert_hidden("-->", "\nHidden Lines\nLine 1\nLine 2\nLine 3\n", "<--")
insert("\n\n")
#------------------------------------------------------------------------------
# Insert/delete callbacks
#------------------------------------------------------------------------------
def hide_marked(start, end):
print("Hide: %d:%d - %d:%d" % (
start.get_line() + 1, start.get_line_offset(),
end.get_line() + 1, end.get_line_offset()
))
print("Hide range: %d chars" % (
end.get_offset() - start.get_offset()
))
buf.apply_tag(hidetag, start, end)
def check(at):
end = get_insert_iter()
start = end.copy()
start.backward_chars(2)
if buf.get_text(start, end, True) == "++":
start = at.copy()
start.forward_to_line_end()
end = start.copy()
buf.forward_iter_to_source_mark(end, "mark")
hide_marked(start, end)
def afterInsertText(buffer, end, text, length, *args):
start = end.copy()
start.backward_chars(length)
check(start)
def afterDeleteRange(buffer, start, end, *args):
check(start)
buf.connect_after("delete-range", afterDeleteRange)
buf.connect_after("insert-text", afterInsertText)
#------------------------------------------------------------------------------
# Shortcuts
#------------------------------------------------------------------------------
def keypress(widget, event):
if not (event.state & Gdk.ModifierType.CONTROL_MASK): return False
key = Gtk.accelerator_name(event.keyval, 0)
if key == "t":
hidetag.set_property("invisible", not hidetag.get_property("invisible"))
return True
elif key == "f":
#start, end = buf.get_selection_bounds()
#buf.apply_tag(hidetag, start, end)
hide_marked()
elif key == "r":
buf.remove_tag(hidetag, *buf.get_bounds())
elif key == "q":
Gtk.main_quit()
#------------------------------------------------------------------------------
# Create view and window
#------------------------------------------------------------------------------
view = GtkSource.View.new_with_buffer(buf)
#view.modify_font(Pango.FontDescription("monospace"))
view.modify_font(Pango.FontDescription("Times 12"))
view.set_show_line_numbers(True)
view.connect("key-press-event", keypress)
view.set_mark_attributes("mark", GtkSource.MarkAttributes.new(), 0)
win = Gtk.Window()
#win.add(view)
scrolled = Gtk.ScrolledWindow()
scrolled.set_size_request(500, 500)
scrolled.add(view)
win.add(scrolled)
win.connect("destroy", Gtk.main_quit)
win.show_all()
Gtk.main()