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- /*--------------------------------------------------------------------------*/
- /* */
- /* */
- /* ------------ Bit-Bucket Software, Co. */
- /* \ 10001101 / Writers and Distributors of */
- /* \ 011110 / Freely Available<tm> Software. */
- /* \ 1011 / */
- /* ------ */
- /* */
- /* (C) Copyright 1987-91, Bit Bucket Software Co., a Delaware Corporation. */
- /* */
- /* */
- /* Routines for updating the screen within BinkleyTerm */
- /* */
- /* */
- /* For complete details of the licensing restrictions, please refer */
- /* to the License agreement, which is published in its entirety in */
- /* the MAKEFILE and BT.C, and also contained in the file LICENSE.250. */
- /* */
- /* USE OF THIS FILE IS SUBJECT TO THE RESTRICTIONS CONTAINED IN THE */
- /* BINKLEYTERM LICENSING AGREEMENT. IF YOU DO NOT FIND THE TEXT OF */
- /* THIS AGREEMENT IN ANY OF THE AFOREMENTIONED FILES, OR IF YOU DO */
- /* NOT HAVE THESE FILES, YOU SHOULD IMMEDIATELY CONTACT BIT BUCKET */
- /* SOFTWARE CO. AT ONE OF THE ADDRESSES LISTED BELOW. IN NO EVENT */
- /* SHOULD YOU PROCEED TO USE THIS FILE WITHOUT HAVING ACCEPTED THE */
- /* TERMS OF THE BINKLEYTERM LICENSING AGREEMENT, OR SUCH OTHER */
- /* AGREEMENT AS YOU ARE ABLE TO REACH WITH BIT BUCKET SOFTWARE, CO. */
- /* */
- /* */
- /* You can contact Bit Bucket Software Co. at any one of the following */
- /* addresses: */
- /* */
- /* Bit Bucket Software Co. FidoNet 1:104/501, 1:343/491 */
- /* P.O. Box 460398 AlterNet 7:491/0 */
- /* Aurora, CO 80046 BBS-Net 86:2030/1 */
- /* Internet f491.n343.z1.fidonet.org */
- /* */
- /* Please feel free to contact us at any time to share your comments about */
- /* our software and/or licensing policies. */
- /* */
- /* */
- /* This module is derived from code developed by Augie Hansen in his */
- /* book "Proficient C" published by Microsoft Press. Mr. Hansen was */
- /* kind enough to give us verbal permission to use his routines, and */
- /* Bob, Vince and Alan (and all our full screen users) are grateful. */
- /* If you decide to use this code in some package you are doing, give */
- /* some thought to going out and buying the book. He deserves that. */
- /* */
- /*--------------------------------------------------------------------------*/
-
- /* Include this file before any other includes or defines! */
-
- #include "includes.h"
-
- extern BUFFER Sbuf;
- extern CELLP Scrnbuf;
- extern int cursor_col;
- extern int cursor_row;
-
- #ifdef MILQ
- static BlankedWnd = NULLHWND;
- #endif
-
- void sb_show ()
- {
- register unsigned int r;
- unsigned int src_os;
- char far *q;
-
- if (screen_blank && do_screen_blank)
- {
- #ifdef MILQ
- if ( !BlankedWnd ) {
- BlankedWnd = GetFocus();
- }
- WinSetAttr( _HwndDesktop, 0, 0 );
- CloseWindow( MilqueMailerWnd );
- SetFocus( MilqueMailerWnd );
- SetWindowPos( MilqueMailerWnd,
- NULLHWND,
- random( GetSystemMetrics(SM_CXSCREEN) - 15 ),
- random( GetSystemMetrics(SM_CYSCREEN) - 4 ),
- 0, 0,
- SWP_NOSIZE | SWP_NOZORDER | SWP_SHOWWINDOW );
- WinDrawAllWindows();
- #else
- for (r = 0; r < SB_ROWS; r++)
- {
- q = blanks;
- (void) VioWrtCellStr ((PCH) q, (USHORT) (SB_COLS * 2), (USHORT) r, (USHORT) 0, (HVIO) 0L);
- }
- #endif
- sb_dirty ();
- return;
- }
-
- #ifdef MILQ
- if ( IsIconic( MilqueMailerWnd ) ) {
- OpenIcon( MilqueMailerWnd );
- BringWindowToTop( MilqueMailerMnu );
- BringWindowToTop( callwin->hWnd );
- BringWindowToTop( filewin->hWnd );
- BringWindowToTop( historywin->hWnd );
- BringWindowToTop( holdwin->hWnd );
- BringWindowToTop( settingswin->hWnd );
- if ( BlankedWnd ) {
- SetFocus( BlankedWnd );
- BlankedWnd = NULLHWND;
- }
- CallDlgPrc( callwin->hWnd, WM_PAINT, 0, 0L );
- }
- #endif
- /* Anything to do? */
- if (!(Sbuf.flags & SB_DELTA))
- {
- return;
- }
-
- src_os = 0;
- for (r = 0; r < SB_ROWS; r++)
- {
- /* Copy only changed portions of lines */
- if (((unsigned)Sbuf.lcol[r] < SB_COLS) && (Sbuf.rcol[r] > 0))
- {
- #ifndef MILQ
- q = (char far *) (Scrnbuf + src_os + Sbuf.lcol[r]);
- (void) VioWrtCellStr ((PCH) q, (USHORT) ((Sbuf.rcol[r] - Sbuf.lcol[r] + 1) * 2), (USHORT) r, (USHORT) Sbuf.lcol[r], (HVIO) 0L);
- #endif
- Sbuf.lcol[r] = SB_COLS;
- Sbuf.rcol[r] = 0;
- }
- src_os += (unsigned) SB_COLS;
- }
-
- /* the display now matches the buffer -- clear flag bit */
- Sbuf.flags &= ~SB_DELTA;
-
- /* Put sanity check on cursor_row and cursor_col here */
- if (cursor_row < 0 || cursor_row > (int)(SB_ROWS - 1))
- cursor_row = SB_ROWS - 1;
- if (cursor_col < 0 || cursor_col > (int)(SB_COLS - 1))
- cursor_col = SB_COLS - 1;
-
- #ifndef MILQ
- gotoxy (cursor_col, cursor_row);
- #endif
- return;
- }
-
- /*
- * Just cleans up the structure to say it is reality - I can use this when
- * I write directly to the screen for single char writes.
- */
-
- void sb_clean ()
- {
- int r;
-
- for (r = 0; r < (int) SB_ROWS; r++)
- {
- Sbuf.lcol[r] = SB_COLS;
- Sbuf.rcol[r] = 0;
- }
-
- Sbuf.flags &= ~SB_DELTA;
- }
-
- /*
- * Make the entire buffer "dirty" so it will be updated.
- */
-
- void sb_dirty ()
- {
- int r;
-
- for (r = 0; r < (int) SB_ROWS; r++)
- {
- Sbuf.lcol[r] = 0;
- Sbuf.rcol[r] = SB_COLS_M_1;
- }
-
- Sbuf.flags |= SB_DELTA;
- }
-
-