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* fhandler.h (dev_console::is_fullscreen): Delete.

Browse Source 
(dev_console::scroll_window): Return bool indicating success.
(dev_console::scroll_screen): New function.
(dev_console::clear_screen): New function.
(fhandler_console::clear_screen): Make __reg3.
(fhandler_console::cursor_set): Ditto.
(fhandler_console::cursor_get): Ditto.
(fhandler_console::cursor_rel): Ditto.
* fhandler_console.cc (dev_console::scroll_buffer): Adapt from
fhandler_console.
(fhandler_console::scroll_buffer): Use dev_console function.
(dev_console::is_fullscreen): Delete.
(dev_console::scroll_window): Return true if we cleared the screen.
Shrink/grow buffer first before scrolling to ensure that there is sufficient
space after scrolling.
(fhandler_console::clear_screen): Make reg3, use dev_console function.
(dev_console::clear_screen): New function adapted from fhandler_console.
(fhandler_console::cursor_set): Make __reg3.
(fhandler_console::cursor_rel): Ditto.
(fhandler_console::cursor_get): Ditto.
(fhandler_console::write): Fix "reverse index".
This commit is contained in:
Christopher Faylor
2014-02-23 03:38:52 +00:00
parent b211f4c17e
commit f1d9e96c44
3 changed files with 105 additions and 61 deletions
Download Patch File Download Diff File Expand all files Collapse all files

27
winsup/cygwin/ChangeLog
View File

@@ -1,4 +1,29 @@
2014-02-22 Corinna Vinschen <corinna@vinschen.de>
2014-02-22 Christopher Faylor <me.cygwin2014@cgf.cx>
* fhandler.h (dev_console::is_fullscreen): Delete.
(dev_console::scroll_window): Return bool indicating success.
(dev_console::scroll_screen): New function.
(dev_console::clear_screen): New function.
(fhandler_console::clear_screen): Make __reg3.
(fhandler_console::cursor_set): Ditto.
(fhandler_console::cursor_get): Ditto.
(fhandler_console::cursor_rel): Ditto.
* fhandler_console.cc (dev_console::scroll_buffer): Adapt from
fhandler_console.
(fhandler_console::scroll_buffer): Use dev_console function.
(dev_console::is_fullscreen): Delete.
(dev_console::scroll_window): Return true if we cleared the screen.
Shrink/grow buffer first before scrolling to ensure that there is
sufficient space after scrolling.
(fhandler_console::clear_screen): Make reg3, use dev_console function.
(dev_console::clear_screen): New function adapted from
fhandler_console.
(fhandler_console::cursor_set): Make __reg3.
(fhandler_console::cursor_rel): Ditto.
(fhandler_console::cursor_get): Ditto.
(fhandler_console::write): Fix "reverse index".
014-02-22 Corinna Vinschen <corinna@vinschen.de>
* external.cc (cygwin_internal): Add cases for CW_GETNSSSEP,
CW_GETPWSID and CW_GETGRSID.

13
winsup/cygwin/fhandler.h
View File

@@ -1327,8 +1327,9 @@ class dev_console
int set_cl_x (cltype);
int set_cl_y (cltype);
bool fillin (HANDLE);
bool is_fullscreen (int, int, int, int);
void scroll_window (HANDLE);
bool __reg3 scroll_window (HANDLE, int, int, int, int);
void __reg3 scroll_buffer (HANDLE, int, int, int, int, int, int);
void __reg3 clear_screen (HANDLE, int, int, int, int);
friend class fhandler_console;
};
@@ -1358,11 +1359,11 @@ private:
/* Output calls */
void set_default_attr ();
void clear_screen (cltype, cltype, cltype, cltype);
void scroll_buffer (int, int, int, int, int, int);
void cursor_set (bool, int, int);
void cursor_get (int *, int *);
void cursor_rel (int, int);
void __reg3 clear_screen (cltype, cltype, cltype, cltype);
void __reg3 cursor_set (bool, int, int);
void __reg3 cursor_get (int *, int *);
void __reg3 cursor_rel (int, int);
inline void write_replacement_char ();
inline bool write_console (PWCHAR, DWORD, DWORD&);
const unsigned char *write_normal (unsigned const char*, unsigned const char *);

126
winsup/cygwin/fhandler_console.cc
View File

@@ -763,35 +763,35 @@ dev_console::fillin (HANDLE h)
return ret;
}
void __reg3
dev_console::scroll_buffer (HANDLE h, int x1, int y1, int x2, int y2, int xn, int yn)
{
/* 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_buffer (int x1, int y1, int x2, int y2, int xn, int yn)
{
SMALL_RECT sr1, sr2;
CHAR_INFO fill;
COORD dest;
fill.Char.AsciiChar = ' ';
fill.Attributes = dev_state.current_win32_attr;
fill.Attributes = current_win32_attr;
dev_state.fillin (get_output_handle ());
sr1.Left = x1 >= 0 ? x1 : dev_state.dwWinSize.X - 1;
sr1.Top = y1 >= 0 ? y1 : dev_state.winBottom;
sr1.Right = x2 >= 0 ? x2 : dev_state.dwWinSize.X - 1;
sr1.Bottom = y2 >= 0 ? y2 : dev_state.winBottom;
sr2.Top = srTop;
fillin (h);
sr1.Left = x1 >= 0 ? x1 : dwWinSize.X - 1;
sr1.Top = y1 >= 0 ? y1 : winBottom;
sr1.Right = x2 >= 0 ? x2 : dwWinSize.X - 1;
sr1.Bottom = y2 >= 0 ? y2 : winBottom;
sr2.Top = winTop + scroll_region.Top;
sr2.Left = 0;
sr2.Bottom = srBottom;
sr2.Right = dev_state.dwWinSize.X - 1;
sr2.Bottom = (scroll_region.Bottom < 0) ? winBottom : winTop + scroll_region.Bottom;
sr2.Right = dwWinSize.X - 1;
if (sr1.Bottom > sr2.Bottom && sr1.Top <= sr2.Bottom)
sr1.Bottom = sr2.Bottom;
dest.X = xn >= 0 ? xn : dev_state.dwWinSize.X - 1;
dest.Y = yn >= 0 ? yn : dev_state.winBottom;
ScrollConsoleScreenBuffer (get_output_handle (), &sr1, NULL, dest, &fill);
dest.X = xn >= 0 ? xn : dwWinSize.X - 1;
dest.Y = yn >= 0 ? yn : winBottom;
ScrollConsoleScreenBuffer (h, &sr1, NULL, dest, &fill);
#if 0 /* CGF: 2014-01-04 Assuming that we don't need this anymore */
/* ScrollConsoleScreenBuffer on Windows 95 is buggy - when scroll distance
@@ -806,6 +806,12 @@ fhandler_console::scroll_buffer (int x1, int y1, int x2, int y2, int xn, int yn)
#endif
}
inline void
fhandler_console::scroll_buffer (int x1, int y1, int x2, int y2, int xn, int yn)
{
dev_state.scroll_buffer (get_output_handle (), x1, y1, x2, y2, xn, yn);
}
int
fhandler_console::dup (fhandler_base *child, int flags)
{
@@ -1209,53 +1215,72 @@ dev_console::set_cl_y (cltype y)
}
bool
dev_console::is_fullscreen (int x1, int y1, int x2, int y2)
dev_console::scroll_window (HANDLE h, int x1, int y1, int x2, int y2)
{
return !savebuf
&& x1 == 0 && x2 == dwWinSize.X - 1 && y1 == winTop && y2 == winBottom
&& dwBufferSize.Y > dwWinSize.Y;
}
if (savebuf || x1 != 0 || x2 != dwWinSize.X - 1 || y1 != winTop
|| y2 != winBottom || dwBufferSize.Y <= dwWinSize.Y)
return false;
void
dev_console::scroll_window (HANDLE h)
{
SMALL_RECT sr;
sr.Top = sr.Bottom = 1 + dwEnd.Y - winTop;
sr.Left = sr.Right = 0;
SetConsoleWindowInfo (h, FALSE, &sr);
dwEnd.X = 0;
int toscroll = 2 + dwEnd.Y - winTop;
int shrink = 1 + toscroll + winBottom - dwBufferSize.Y;
sr.Left = sr.Right = dwEnd.X = 0;
/* Can't increment dwEnd yet since we may not have space in
the buffer. */
SetConsoleCursorPosition (h, dwEnd);
if (shrink > 0)
{
COORD c = dwBufferSize;
c.Y = dwEnd.Y - shrink;
SetConsoleScreenBufferSize (h, c);
SetConsoleScreenBufferSize (h, dwBufferSize);
dwEnd.Y = 0;
fillin (h);
toscroll = 2 + dwEnd.Y - winTop;
}
sr.Top = sr.Bottom = toscroll;
SetConsoleWindowInfo (h, FALSE, &sr);
dwEnd.Y++;
SetConsoleCursorPosition (h, dwEnd);
fillin (h);
return true;
}
/*
* Clear the screen context from x1/y1 to x2/y2 cell.
* Negative values represents current screen dimensions
*/
void
void __reg3
fhandler_console::clear_screen (cltype xc1, cltype yc1, cltype xc2, cltype yc2)
{
COORD tlc;
DWORD done;
int num;
dev_state.fillin (get_output_handle ());
HANDLE h = get_output_handle ();
dev_state.fillin (h);
int x1 = dev_state.set_cl_x (xc1);
int y1 = dev_state.set_cl_y (yc1);
int x2 = dev_state.set_cl_x (xc2);
int y2 = dev_state.set_cl_y (yc2);
/* Detect special case - scroll the screen if we have a buffer to
/* Detect special case - scroll the screen if we have a buffer in order to
preserve the buffer. */
if (dev_state.is_fullscreen (x1, y1, x2, y2))
{
dev_state.scroll_window (get_output_handle ());
return;
}
if (!dev_state.scroll_window (h, x1, y1, x2, y2))
dev_state.clear_screen (h, x1, y1, x2, y2);
}
num = abs (y1 - y2) * dev_state.dwBufferSize.X + abs (x1 - x2) + 1;
void __reg3
dev_console::clear_screen (HANDLE h, int x1, int y1, int x2, int y2)
{
COORD tlc;
DWORD done;
int num;
if ((y2 * dev_state.dwBufferSize.X + x2) > (y1 * dev_state.dwBufferSize.X + x1))
num = abs (y1 - y2) * dwBufferSize.X + abs (x1 - x2) + 1;
if ((y2 * dwBufferSize.X + x2) > (y1 * dwBufferSize.X + x1))
{
tlc.X = x1;
tlc.Y = y1;
@@ -1265,18 +1290,11 @@ fhandler_console::clear_screen (cltype xc1, cltype yc1, cltype xc2, cltype yc2)
tlc.X = x2;
tlc.Y = y2;
}
FillConsoleOutputCharacterA (get_output_handle (), ' ',
num,
tlc,
&done);
FillConsoleOutputAttribute (get_output_handle (),
dev_state.current_win32_attr,
num,
tlc,
&done);
FillConsoleOutputCharacterA (h, ' ', num, tlc, &done);
FillConsoleOutputAttribute (h, current_win32_attr, num, tlc, &done);
}
void
void __reg3
fhandler_console::cursor_set (bool rel_to_top, int x, int y)
{
COORD pos;
@@ -1309,7 +1327,7 @@ fhandler_console::cursor_set (bool rel_to_top, int x, int y)
SetConsoleCursorPosition (get_output_handle (), pos);
}
void
void __reg3
fhandler_console::cursor_rel (int x, int y)
{
dev_state.fillin (get_output_handle ());
@@ -1318,7 +1336,7 @@ fhandler_console::cursor_rel (int x, int y)
cursor_set (false, x, y);
}
void
void __reg3
fhandler_console::cursor_get (int *x, int *y)
{
dev_state.fillin (get_output_handle ());
@@ -2180,7 +2198,7 @@ fhandler_console::write (const void *vsrc, size_t len)
else if (*src == 'M') /* Reverse Index (scroll down) */
{
dev_state.fillin (get_output_handle ());
scroll_buffer (0, 0, -1, -1, 0, dev_state.winTop + 1);
scroll_buffer (0, 0, -1, -1, 0, 1);
dev_state.state = normal;
}
else if (*src == 'c') /* RIS Full Reset */