* 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".
This commit is contained in:
Christopher Faylor
parent
b211f4c17e
commit
f1d9e96c44
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@ -1,4 +1,29 @@
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2014-02-22 Corinna Vinschen <corinna@vinschen.de>
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2014-02-22 Christopher Faylor <me.cygwin2014@cgf.cx>
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* fhandler.h (dev_console::is_fullscreen): Delete.
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(dev_console::scroll_window): Return bool indicating success.
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(dev_console::scroll_screen): New function.
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(dev_console::clear_screen): New function.
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(fhandler_console::clear_screen): Make __reg3.
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(fhandler_console::cursor_set): Ditto.
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(fhandler_console::cursor_get): Ditto.
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(fhandler_console::cursor_rel): Ditto.
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* fhandler_console.cc (dev_console::scroll_buffer): Adapt from
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fhandler_console.
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(fhandler_console::scroll_buffer): Use dev_console function.
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(dev_console::is_fullscreen): Delete.
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(dev_console::scroll_window): Return true if we cleared the screen.
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Shrink/grow buffer first before scrolling to ensure that there is
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sufficient space after scrolling.
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(fhandler_console::clear_screen): Make reg3, use dev_console function.
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(dev_console::clear_screen): New function adapted from
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fhandler_console.
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(fhandler_console::cursor_set): Make __reg3.
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(fhandler_console::cursor_rel): Ditto.
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(fhandler_console::cursor_get): Ditto.
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(fhandler_console::write): Fix "reverse index".
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014-02-22 Corinna Vinschen <corinna@vinschen.de>
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* external.cc (cygwin_internal): Add cases for CW_GETNSSSEP,
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CW_GETPWSID and CW_GETGRSID.
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@ -1327,8 +1327,9 @@ class dev_console
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int set_cl_x (cltype);
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int set_cl_y (cltype);
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bool fillin (HANDLE);
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bool is_fullscreen (int, int, int, int);
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void scroll_window (HANDLE);
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bool __reg3 scroll_window (HANDLE, int, int, int, int);
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void __reg3 scroll_buffer (HANDLE, int, int, int, int, int, int);
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void __reg3 clear_screen (HANDLE, int, int, int, int);
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friend class fhandler_console;
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};
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@ -1358,11 +1359,11 @@ private:
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/* Output calls */
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void set_default_attr ();
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void clear_screen (cltype, cltype, cltype, cltype);
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void scroll_buffer (int, int, int, int, int, int);
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void cursor_set (bool, int, int);
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void cursor_get (int *, int *);
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void cursor_rel (int, int);
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void __reg3 clear_screen (cltype, cltype, cltype, cltype);
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void __reg3 cursor_set (bool, int, int);
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void __reg3 cursor_get (int *, int *);
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void __reg3 cursor_rel (int, int);
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inline void write_replacement_char ();
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inline bool write_console (PWCHAR, DWORD, DWORD&);
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const unsigned char *write_normal (unsigned const char*, unsigned const char *);
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@ -763,35 +763,35 @@ dev_console::fillin (HANDLE h)
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return ret;
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}
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void __reg3
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dev_console::scroll_buffer (HANDLE h, int x1, int y1, int x2, int y2, int xn, int yn)
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{
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/* Scroll the screen context.
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x1, y1 - ul corner
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x2, y2 - dr corner
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xn, yn - new ul corner
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Negative values represents current screen dimensions
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*/
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void
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fhandler_console::scroll_buffer (int x1, int y1, int x2, int y2, int xn, int yn)
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{
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SMALL_RECT sr1, sr2;
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CHAR_INFO fill;
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COORD dest;
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fill.Char.AsciiChar = ' ';
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fill.Attributes = dev_state.current_win32_attr;
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fill.Attributes = current_win32_attr;
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dev_state.fillin (get_output_handle ());
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sr1.Left = x1 >= 0 ? x1 : dev_state.dwWinSize.X - 1;
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sr1.Top = y1 >= 0 ? y1 : dev_state.winBottom;
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sr1.Right = x2 >= 0 ? x2 : dev_state.dwWinSize.X - 1;
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sr1.Bottom = y2 >= 0 ? y2 : dev_state.winBottom;
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sr2.Top = srTop;
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fillin (h);
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sr1.Left = x1 >= 0 ? x1 : dwWinSize.X - 1;
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sr1.Top = y1 >= 0 ? y1 : winBottom;
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sr1.Right = x2 >= 0 ? x2 : dwWinSize.X - 1;
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sr1.Bottom = y2 >= 0 ? y2 : winBottom;
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sr2.Top = winTop + scroll_region.Top;
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sr2.Left = 0;
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sr2.Bottom = srBottom;
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sr2.Right = dev_state.dwWinSize.X - 1;
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sr2.Bottom = (scroll_region.Bottom < 0) ? winBottom : winTop + scroll_region.Bottom;
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sr2.Right = dwWinSize.X - 1;
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if (sr1.Bottom > sr2.Bottom && sr1.Top <= sr2.Bottom)
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sr1.Bottom = sr2.Bottom;
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dest.X = xn >= 0 ? xn : dev_state.dwWinSize.X - 1;
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dest.Y = yn >= 0 ? yn : dev_state.winBottom;
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ScrollConsoleScreenBuffer (get_output_handle (), &sr1, NULL, dest, &fill);
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dest.X = xn >= 0 ? xn : dwWinSize.X - 1;
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dest.Y = yn >= 0 ? yn : winBottom;
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ScrollConsoleScreenBuffer (h, &sr1, NULL, dest, &fill);
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#if 0 /* CGF: 2014-01-04 Assuming that we don't need this anymore */
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/* ScrollConsoleScreenBuffer on Windows 95 is buggy - when scroll distance
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@ -806,6 +806,12 @@ fhandler_console::scroll_buffer (int x1, int y1, int x2, int y2, int xn, int yn)
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#endif
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}
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inline void
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fhandler_console::scroll_buffer (int x1, int y1, int x2, int y2, int xn, int yn)
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{
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dev_state.scroll_buffer (get_output_handle (), x1, y1, x2, y2, xn, yn);
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}
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int
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fhandler_console::dup (fhandler_base *child, int flags)
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{
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@ -1209,53 +1215,72 @@ dev_console::set_cl_y (cltype y)
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}
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bool
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dev_console::is_fullscreen (int x1, int y1, int x2, int y2)
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dev_console::scroll_window (HANDLE h, int x1, int y1, int x2, int y2)
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{
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return !savebuf
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&& x1 == 0 && x2 == dwWinSize.X - 1 && y1 == winTop && y2 == winBottom
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&& dwBufferSize.Y > dwWinSize.Y;
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if (savebuf || x1 != 0 || x2 != dwWinSize.X - 1 || y1 != winTop
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|| y2 != winBottom || dwBufferSize.Y <= dwWinSize.Y)
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return false;
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SMALL_RECT sr;
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int toscroll = 2 + dwEnd.Y - winTop;
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int shrink = 1 + toscroll + winBottom - dwBufferSize.Y;
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sr.Left = sr.Right = dwEnd.X = 0;
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/* Can't increment dwEnd yet since we may not have space in
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the buffer. */
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SetConsoleCursorPosition (h, dwEnd);
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if (shrink > 0)
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{
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COORD c = dwBufferSize;
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c.Y = dwEnd.Y - shrink;
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SetConsoleScreenBufferSize (h, c);
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SetConsoleScreenBufferSize (h, dwBufferSize);
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dwEnd.Y = 0;
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fillin (h);
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toscroll = 2 + dwEnd.Y - winTop;
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}
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void
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dev_console::scroll_window (HANDLE h)
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{
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SMALL_RECT sr;
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sr.Top = sr.Bottom = 1 + dwEnd.Y - winTop;
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sr.Left = sr.Right = 0;
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sr.Top = sr.Bottom = toscroll;
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SetConsoleWindowInfo (h, FALSE, &sr);
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dwEnd.X = 0;
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dwEnd.Y++;
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SetConsoleCursorPosition (h, dwEnd);
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fillin (h);
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return true;
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}
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/*
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* Clear the screen context from x1/y1 to x2/y2 cell.
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* Negative values represents current screen dimensions
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*/
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void
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void __reg3
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fhandler_console::clear_screen (cltype xc1, cltype yc1, cltype xc2, cltype yc2)
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{
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COORD tlc;
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DWORD done;
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int num;
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dev_state.fillin (get_output_handle ());
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HANDLE h = get_output_handle ();
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dev_state.fillin (h);
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int x1 = dev_state.set_cl_x (xc1);
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int y1 = dev_state.set_cl_y (yc1);
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int x2 = dev_state.set_cl_x (xc2);
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int y2 = dev_state.set_cl_y (yc2);
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/* Detect special case - scroll the screen if we have a buffer to
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/* Detect special case - scroll the screen if we have a buffer in order to
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preserve the buffer. */
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if (dev_state.is_fullscreen (x1, y1, x2, y2))
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{
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dev_state.scroll_window (get_output_handle ());
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return;
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if (!dev_state.scroll_window (h, x1, y1, x2, y2))
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dev_state.clear_screen (h, x1, y1, x2, y2);
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}
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num = abs (y1 - y2) * dev_state.dwBufferSize.X + abs (x1 - x2) + 1;
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void __reg3
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dev_console::clear_screen (HANDLE h, int x1, int y1, int x2, int y2)
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{
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COORD tlc;
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DWORD done;
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int num;
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if ((y2 * dev_state.dwBufferSize.X + x2) > (y1 * dev_state.dwBufferSize.X + x1))
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num = abs (y1 - y2) * dwBufferSize.X + abs (x1 - x2) + 1;
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if ((y2 * dwBufferSize.X + x2) > (y1 * dwBufferSize.X + x1))
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{
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tlc.X = x1;
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tlc.Y = y1;
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@ -1265,18 +1290,11 @@ fhandler_console::clear_screen (cltype xc1, cltype yc1, cltype xc2, cltype yc2)
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tlc.X = x2;
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tlc.Y = y2;
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}
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FillConsoleOutputCharacterA (get_output_handle (), ' ',
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num,
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tlc,
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&done);
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FillConsoleOutputAttribute (get_output_handle (),
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dev_state.current_win32_attr,
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num,
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tlc,
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&done);
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FillConsoleOutputCharacterA (h, ' ', num, tlc, &done);
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FillConsoleOutputAttribute (h, current_win32_attr, num, tlc, &done);
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}
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void
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void __reg3
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fhandler_console::cursor_set (bool rel_to_top, int x, int y)
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{
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COORD pos;
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@ -1309,7 +1327,7 @@ fhandler_console::cursor_set (bool rel_to_top, int x, int y)
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SetConsoleCursorPosition (get_output_handle (), pos);
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}
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void
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void __reg3
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fhandler_console::cursor_rel (int x, int y)
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{
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dev_state.fillin (get_output_handle ());
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@ -1318,7 +1336,7 @@ fhandler_console::cursor_rel (int x, int y)
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cursor_set (false, x, y);
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}
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void
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void __reg3
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fhandler_console::cursor_get (int *x, int *y)
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{
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dev_state.fillin (get_output_handle ());
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@ -2180,7 +2198,7 @@ fhandler_console::write (const void *vsrc, size_t len)
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else if (*src == 'M') /* Reverse Index (scroll down) */
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{
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dev_state.fillin (get_output_handle ());
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scroll_buffer (0, 0, -1, -1, 0, dev_state.winTop + 1);
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scroll_buffer (0, 0, -1, -1, 0, 1);
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dev_state.state = normal;
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}
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else if (*src == 'c') /* RIS Full Reset */
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