archive/rpcs3
1
0
Fork 0
mirror of https://github.com/RPCS3/rpcs3.git synced 2025-07-14 02:38:37 +12:00
Code Issues Projects Releases Packages Wiki Activity Actions 2

Implement Caret upwards and downwards move in overlay_edit_text (#8342)

Browse source 
* Implement caret upwards and downwards move in overlay_edit_text

* Optimize caret up and down movement

Co-authored-by: Megamouse <studienricky89@googlemail.com>
This commit is contained in:
Bird Egop 2020-07-02 10:06:37 +03:00 • committed by GitHub
parent 6a9fe8e3c4
commit eea12bad07
No known key found for this signature in database
GPG key ID: 4AEE18F83AFDEB23
1 changed files with 61 additions and 2 deletions
Download patch file Download diff file Expand all files Collapse all files

63
rpcs3/Emu/RSX/Overlays/overlay_edit_text.cpp
View file

@ -5,6 +5,30 @@ namespace rsx
{
namespace overlays
{
static size_t get_line_start(const std::u32string& text, size_t pos)
{
if (pos == 0)
{
return 0;
}
const size_t line_start = text.rfind('\n', pos - 1);
if (line_start == std::string::npos)
{
return 0;
}
return line_start + 1;
}
static size_t get_line_end(const std::u32string& text, size_t pos)
{
const size_t line_end = text.find('\n', pos);
if (line_end == std::string::npos)
{
return text.length();
}
return line_end;
}
void edit_text::move_caret(direction dir)
{
switch (dir)
@ -28,10 +52,45 @@ namespace rsx
break;
}
case up:
case down:
// TODO
{
const size_t current_line_start = get_line_start(text, caret_position);
if (current_line_start == 0)
{
// This is the first line, so caret moves to the very beginning
caret_position = 0;
refresh();
break;
}
const size_t caret_pos_in_line = caret_position - current_line_start;
const size_t prev_line_end = current_line_start - 1;
const size_t prev_line_start = get_line_start(text, prev_line_end);
// TODO : Save caret position to some kind of buffer, so after switching back and forward, caret would be on initial position
caret_position = std::min(prev_line_end, prev_line_start + caret_pos_in_line);
refresh();
break;
}
case down:
{
const size_t current_line_end = get_line_end(text, caret_position);
if (current_line_end == text.length())
{
// This is the last line, so caret moves to the very end
caret_position = current_line_end;
refresh();
break;
}
const size_t current_line_start = get_line_start(text, caret_position);
const size_t caret_pos_in_line = caret_position - current_line_start;
const size_t next_line_start = current_line_end + 1;
const size_t next_line_end = get_line_end(text, next_line_start);
// TODO : Save caret position to some kind of buffer, so after switching back and forward, caret would be on initial position
caret_position = std::min(next_line_end, next_line_start + caret_pos_in_line);
refresh();
break;
}
}
}
void edit_text::insert_text(const std::u32string& str)