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* fhandler.h (cltype): Add cl_buf_beg, cl_buf_end. 

* fhandler_console.cc (dev_console::console_attrs::set_cl_x): Honor buffer
locations.
(dev_console::console_attrs::set_cl_y): Ditto.
(fhandler_console::write): On reset, use absolute positioning to go to
beginning of buffer.  Clear entire buffer.
This commit is contained in:
Christopher Faylor 2014-01-31 04:23:22 +00:00
parent ed94d4a4aa
commit 63b1a850b3
3 changed files with 29 additions and 14 deletions
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9
winsup/cygwin/ChangeLog
View File

@ -1,3 +1,12 @@
2014-01-30 Christopher Faylor <me.cygwin2014@cgf.cx>
* fhandler.h (cltype): Add cl_buf_beg, cl_buf_end.
* fhandler_console.cc (dev_console::console_attrs::set_cl_x): Honor
buffer locations.
(dev_console::console_attrs::set_cl_y): Ditto.
(fhandler_console::write): On reset, use absolute positioning to go to
beginning of buffer. Clear entire buffer.
2014-01-27 Christopher Faylor <me.cygwin2014@cgf.cx>
* gendef (_setjmp (x86)): Save FPU control word location in sequential

4
winsup/cygwin/fhandler.h
View File

@ -1250,7 +1250,9 @@ enum cltype
{
cl_curr_pos = 1,
cl_disp_beg,
cl_disp_end
cl_disp_end,
cl_buf_beg,
cl_buf_end
};
class dev_console

30
winsup/cygwin/fhandler_console.cc
View File

@ -42,14 +42,6 @@ details. */
#define ALT_PRESSED (LEFT_ALT_PRESSED | RIGHT_ALT_PRESSED)
#define CTRL_PRESSED (LEFT_CTRL_PRESSED | RIGHT_CTRL_PRESSED)
/*
* Scroll the screen context.
* x1, y1 - ul corner
* x2, y2 - dr corner
* xn, yn - new ul corner
* Negative values represents current screen dimensions
*/
#define dev_state (shared_console_info->dev_state)
#define srTop (dev_state.info.winTop + dev_state.scroll_region.Top)
#define srBottom ((dev_state.scroll_region.Bottom < 0) ? dev_state.info.winBottom : dev_state.info.winTop + dev_state.scroll_region.Bottom)
@ -768,6 +760,12 @@ dev_console::fillin_info (HANDLE h)
return ret;
}
/* Scroll the screen context.
x1, y1 - ul corner
x2, y2 - dr corner
xn, yn - new ul corner
Negative values represents current screen dimensions
*/
void
fhandler_console::scroll_screen (int x1, int y1, int x2, int y2, int xn, int yn)
{
@ -1193,20 +1191,26 @@ dev_console::set_default_attr ()
int
dev_console::console_attrs::set_cl_x (cltype x)
{
if (x == cl_disp_beg)
if (x == cl_disp_beg || x == cl_buf_beg)
return 0;
if (x == cl_disp_end)
return dwWinSize.X - 1;
if (x == cl_buf_end)
return dwBufferSize.X - 1;
return dwCursorPosition.X;
}
int
dev_console::console_attrs::set_cl_y (cltype y)
{
if (y == cl_disp_end)
return winBottom;
if (y == cl_buf_beg)
return 0;
if (y == cl_disp_beg)
return winTop;
if (y == cl_disp_end)
return winBottom;
if (y == cl_buf_end)
return dwBufferSize.Y - 1;
return dwCursorPosition.Y;
}
@ -2164,8 +2168,8 @@ fhandler_console::write (const void *vsrc, size_t len)
dev_state.vt100_graphics_mode_G0 = false;
dev_state.vt100_graphics_mode_G1 = false;
dev_state.iso_2022_G1 = false;
clear_screen (cl_disp_beg, cl_disp_beg, cl_disp_end, cl_disp_end);
cursor_set (true, 0, 0);
cursor_set (false, 0, 0);
clear_screen (cl_buf_beg, cl_buf_beg, cl_buf_end, cl_buf_end);
dev_state.state_ = normal;
}
else if (*src == '8') /* DECRC Restore cursor position */