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Work on soft wrapping to address https://github.com/fish-shell/fish-shell/issues/300

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Resizing is still wonky
This commit is contained in:
ridiculousfish
2012-10-01 03:29:18 -07:00
parent ffc03735e8
commit a661c03743
3 changed files with 111 additions and 35 deletions
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52
screen.h
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@@ -21,6 +21,11 @@ struct line_t
{
std::vector<wchar_t> text;
std::vector<int> colors;
bool is_soft_wrapped;
line_t() : text(), colors(), is_soft_wrapped(false)
{
}
void clear(void)
{
@@ -63,6 +68,8 @@ class screen_data_t
struct cursor_t {
int x;
int y;
cursor_t() : x(0), y(0) { }
cursor_t(int a, int b) : x(a), y(b) { }
} cursor;
line_t &add_line(void) {
@@ -96,28 +103,35 @@ class screen_data_t
class screen_t
{
public:
/**
The internal representation of the desired screen contents.
*/
screen_data_t desired;
/**
The internal representation of the actual screen contents.
*/
screen_data_t actual;
/**
A string containing the prompt which was last printed to
the screen.
*/
wcstring actual_prompt;
/** Constructor */
screen_t();
/**
The actual width of the screen at the time of the last screen
write.
*/
int actual_width;
/**
The internal representation of the desired screen contents.
*/
screen_data_t desired;
/**
The internal representation of the actual screen contents.
*/
screen_data_t actual;
/**
/**
A string containing the prompt which was last printed to
the screen.
*/
wcstring actual_prompt;
/**
The actual width of the screen at the time of the last screen
write.
*/
int actual_width;
/** If we support soft wrapping, we can output to this location without any cursor motion. */
screen_data_t::cursor_t soft_wrap_location;
/**
This flag is set to true when there is reason to suspect that
the parts of the screen lines where the actual content is not
filled in may be non-empty. This means that a clr_eol command