444 lines
19 KiB
C++
444 lines
19 KiB
C++
// This may look like C code, but it is really -*- C++ -*-
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// ------------------------------------------------------------------
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// The Goldware Library
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// Copyright (C) 1990-1999 Odinn Sorensen
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// Copyright (C) 1999-2000 Alexander S. Aganichev
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// ------------------------------------------------------------------
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// This library is free software; you can redistribute it and/or
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// modify it under the terms of the GNU Library General Public
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// License as published by the Free Software Foundation; either
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// version 2 of the License, or (at your option) any later version.
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//
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// This library is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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// Library General Public License for more details.
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//
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// You should have received a copy of the GNU Library General Public
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// License along with this program; if not, write to the Free
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// Software Foundation, Inc., 59 Temple Place, Suite 330, Boston,
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// MA 02111-1307, USA
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// ------------------------------------------------------------------
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// $Id$
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// ------------------------------------------------------------------
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// Based on CXL by Mike Smedley.
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// Windowing functions.
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// ------------------------------------------------------------------
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#ifndef __gwinall_h
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#define __gwinall_h
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// ------------------------------------------------------------------
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#include <gdefs.h>
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#include <gkbdbase.h>
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#include <gvidall.h>
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// ------------------------------------------------------------------
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// Error codes returned from windowing functions
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#define W_NOERROR 0 // no error
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#define W_ESCPRESS 1 // Escape key was pressed
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#define W_ALLOCERR 2 // memory allocation error
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#define W_NOTFOUND 3 // record not found
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#define W_NOACTIVE 4 // no active window
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#define W_INVCOORD 5 // invalid coordinates
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#define W_INVFORMT 6 // invalid format string
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#define W_NOINPDEF 7 // no input fields defined
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#define W_STRLONG 8 // string too long for window
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#define W_INVBTYPE 9 // invalid box type
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#define W_NOBORDER 10 // no window border
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#define W_NOHIDDEN 11 // no hidden windows
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#define W_NOTHIDD 12 // window is not hidden
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#define W_NOSELECT 13 // no selectable menu items
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#define W_NOITMDEF 14 // no menu items defined
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#define W_NOMNUEND 15 // no end of menu specified
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#define W_NOMNUDEF 16 // no menu defined
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#define W_NOMNUBEG 17 // no begin of menu specified
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#define W_NOFRMDEF 18 // no form defined
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#define W_NOFRMBEG 19 // no begin of form specified
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#define W_NOHLPDEF 20 // no help record defined
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#define W_HLPSTKOV 21 // help stack overflow
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#define W_HLPSTKUN 22 // help stack underflow
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#define W_DOSERROR 23 // DOS error
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#define W_NOMATCH 24 // no files matched input filespec
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#define W_INVTAGID 25 // invalid tag identifier
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// ------------------------------------------------------------------
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// Window border identifiers
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#define TP_BORD 0 // top border
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#define BT_BORD 1 // bottom border
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#define LT_BORD 2 // left border
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#define RT_BORD 3 // right border
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// ------------------------------------------------------------------
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// Direction codes
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#define D_DOWN 0
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#define D_UP 1
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#define D_LEFT 2
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#define D_RIGHT 3
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#define SDOWN D_DOWN // scroll down
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#define SUP D_UP // scroll up
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// ------------------------------------------------------------------
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// Scrollbar orientation
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const int W_HORZ = 1;
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const int W_VERT = 2;
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// ------------------------------------------------------------------
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// Menu item record definition
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struct _item_t {
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_item_t* prev; // pointer to previous record
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_item_t* next; // pointer to next record
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void* child; // pointer to submenu's record
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const char* str; // address of selection string
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const char* desc; // text description of menu option
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VfvCP select; // address of selection function
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VfvCP before; // address of "before" function
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VfvCP after; // address of "after" function
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gkey hotkey; // hot key to select function
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int tagid; // tag identifier
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int help; // help category number
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int wrow; // start of text - window row
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int wcol; // start of text - window column
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char schar; // quick selection character
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int fmask; // special feature mask
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int dwhdl; // description window handle
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int dwrow; // description window row
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int dwcol; // description window column
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int dattr; // description attribute
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int redisp; // redisplay flag
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};
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// ------------------------------------------------------------------
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// Window menu record definition
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struct _menu_t {
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_menu_t* prev; // pointer to prev menu structure
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_menu_t* next; // pointer to next menu structure
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_menu_t* parent; // pointer to parent menu
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_item_t* item; // pointer to head menu item
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_item_t* citem; // pointer to current menu item
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VfvCP open; // address of post-opening function
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int tagcurr; // tag ID of item selection bar on
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int usecurr; // will menu use current window?
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int srow; // starting row of menu window
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int scol; // starting column of menu window
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int erow; // ending row of menu window
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int ecol; // ending column of menu window
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int btype; // menu window border type
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int battr; // menu window "hi" border attribute
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int loattr; // menu window "lo" border attribute
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int sbattr; // menu window scrollbar attribute
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int wattr; // menu window attribute
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int menutype; // menu type mask
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int barwidth; // width of menu bar or zero
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int textpos; // offset of text from start of bar
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int textattr; // attribute of menu text
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int scharattr; // attribute of selection character
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int noselattr; // non-selectable text attribute
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int barattr; // attribute of selection bar
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const char* title; // menu title string or NULL if no title
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int titlepos; // position of menu title (TLEFT,TCENTER,TRIGHT)
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int titleattr; // attribute of menu title
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int shadattr; // shadow attribute or -1 if no shadow
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int items; // number of items in menu
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};
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// ------------------------------------------------------------------
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// Window input field definition
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struct _field_t {
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_field_t* prev; // pointer to previous field
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_field_t* next; // pointer to next field
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char* str; // address of receiving string
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char* buf; // address of temp receive string
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const char* format; // input field format string
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IfcpCP validate; // address of validation function
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VfvCP before; // address of "before" function
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VfvCP after; // address of "after" function
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int help; // help category number
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int lenbuf; // length of buffer
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int lenfld; // length of screen input field
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int lenfmt; // length of format string
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int wrow; // start of input - window row
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int wcol; // start of input - window column
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int mode; // 0=init, 1=update, 2=cond update
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int decpos; // decimal position (numeric)
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int redisp; // redisplay flag
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char fconv; // field conversion character
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};
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// ------------------------------------------------------------------
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// Window data entry form definition
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typedef gkey (*KfipCP)(int*);
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struct _form_t {
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KfipCP getkey; // pointer to alternate get func
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_form_t* prev; // pointer to previous form record
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_form_t* next; // pointer to next form record
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_field_t* field; // pointer to head field record
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_field_t* cfield; // pointer to current field record
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gkey* termkey; // addr of int for terminating key
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const char* pformat; // format string pointer
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char* pbuf; // buffer string pointer
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int cwrow; // current window row
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int cwcol; // current window column
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int decimal; // decimal field flag
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int insert; // insert mode flag
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int fieldattr; // field attribute
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int textattr; // text attribute
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};
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// ------------------------------------------------------------------
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// Structure of window records
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struct _wrec_t {
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_wrec_t* prev; // pointer to previous window record
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_wrec_t* next; // pointer to next window record
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_form_t* form; // pointer to head form record
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vatch* wbuf; // address of window's buffer
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vatch* wsbuf; // address of window shadow's buffer
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const char* title; // address of window's title string
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int whandle; // window's handle
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int help; // help category number
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int srow; // start row of window
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int scol; // start column of window
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int erow; // end row of window
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int ecol; // end column of window
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int btype; // window's box type
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int wattr; // window's initial text attribute
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int battr; // attribute of window's border
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int loattr; // attribute of window's border
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int sbattr; // attribute of window's scrollbar
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int border; // has border? 0 = no, 1 = yes
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int row; // window's current cursor row
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int column; // window's current cursor column
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int attr; // window's current text attribute
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int tpos; // position of window's title
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int tattr; // attribute of window's title
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int wsattr; // attribute of window's shadow
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};
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// ------------------------------------------------------------------
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class _help_t;
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// ------------------------------------------------------------------
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// Window information record
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class GWin {
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public:
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_wrec_t* active; // pointer to active window
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_wrec_t* hidden; // pointer to head hidden window
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_menu_t* menu; // pointer to head menu record
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_menu_t* cmenu; // pointer to current menu record
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_help_t* helptr; // pointer to help info record
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int handle; // last handle given to a window
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int help; // current help category
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int werrno; // error num from last window func
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int total; // total number of open windows
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int mlevel; // system variable used in menus
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int ilevel; // system variable used in menus
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int esc; // check for Esc in input funcions?
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int tabwidth; // window TTY output tab width
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vchar fillch; // character to fill windows with
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int style; // how to open the windows
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public:
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GWin();
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~GWin();
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};
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extern GWin gwin;
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// ------------------------------------------------------------------
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// Window open styles
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#define STYLE_NORMAL 0
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#define STYLE_EXPLODE 1
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#define STYLE_EXPLODENOISY 2
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// ------------------------------------------------------------------
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// Fmask definitions for wmenuitem()
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#define M_HASPD 1 // has pull-down menu attached
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#define M_NOSEL 2 // is not selectable
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#define M_CLOSE 4 // close menu after select func
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#define M_CLALL 8 // close all menus when selected
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#define M_CLOSB 16 // close menu before select func
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// ------------------------------------------------------------------
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// Menutype definitions for wmenuend()
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#define M_HORZ 1 // horizontal menu
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#define M_VERT 2 // vertical menu
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#define M_OMNI 7 // omnidirectional menu
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#define M_PD 8 // pull-down menu
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#define M_NOQS 16 // disable quick selection
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#define M_SAVE 32 // save last bar position
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// ------------------------------------------------------------------
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// Special return codes from wmenuget()
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#define M_EXIT 32764 // exit menu
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#define M_EXITALL 32765 // exit all menus
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#define M_PREVPD 32766 // previous pull-down menu
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#define M_NEXTPD 32767 // next pull-down menu
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// ------------------------------------------------------------------
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// Window title position definitions for wtitle()
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#define TTOP 0 // Top border
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#define TLEFT 1 // Left justified
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#define TCENTER 2 // Centered
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#define TRIGHT 3 // Right justified
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#define TBOTTOM 4 // Bottom border
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// ------------------------------------------------------------------
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// Values for the Proportional Bar
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#define PROP_PAGE 1
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#define PROP_BARGRAPH 2
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// ------------------------------------------------------------------
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extern int wpickstr_tag;
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// ------------------------------------------------------------------
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// Function prototypes
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int wactiv (int whandle);
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int wactiv_ (int whandle);
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int wborder (int btype);
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int wbox (int wsrow, int wscol, int werow, int wecol, int btype, int attr);
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int wcclear (int attr);
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int wcenters (int wrow, int attr, const char* str);
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int wchkbox (int wsrow, int wscol, int werow, int wecol);
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int wchkcol (int wcol);
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int wchkcoord (int wrow, int wcol);
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int wchkrow (int wrow);
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int wclose ();
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int wcloseall ();
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int wclreol ();
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int wclreos ();
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int wcopy (int nsrow, int nscol);
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int wdelline (int wrow, int direc);
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int wdrag (int direction);
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int wdupc (char ch, int count);
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int wfill (int wsrow, int wscol, int werow, int wecol, vchar ch, int attr);
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_wrec_t* wfindrec (int whandle);
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int wgotoxy (int wrow, int wcol);
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int whandle ();
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int whide ();
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int whline (int wsrow, int wscol, int count, int btype, int attr);
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int wmessage (const char* str, int border, int leftofs, int attr);
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int wmove (int nsrow, int nscol);
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int wopen (int srow, int scol, int erow, int ecol, int btype, int battr, int wattr, int sbattr=-1, int loattr=-1);
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inline int wopen_ (int srow, int scol, int vlen, int hlen, int btype, int battr, int wattr, int sbattr=-1, int loattr=-1) { return wopen(srow, scol, srow+vlen-1, scol+hlen-1, btype, battr, wattr, sbattr, loattr); }
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int wperror (const char* message);
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char* wpickfile (int srow, int scol, int erow, int ecol, int btype, int bordattr, int winattr, int barattr, bool title, const char* filespec, char* selectedfile, VfvCP open, bool casesens=false);
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int wpickstr (int srow, int scol, int erow, int ecol, int btype, int bordattr, int winattr, int barattr, char* strarr[], int initelem, VfvCP open);
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int wprintc (int wrow, int wcol, int attr, vchar ch);
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int wprintf (const char* format, ...) __attribute__ ((format (printf, 1, 2)));
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int wprintaf (int attr, const char* format, ...) __attribute__ ((format (printf, 2, 3)));
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int wprintfs (int wrow, int wcol, int attr, const char* format, ...) __attribute__ ((format (printf, 4, 5)));
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int wprints (int wrow, int wcol, int attr, const char* str);
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int wprintvs (int wrow, int wcol, int attr, const vchar* str);
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int wprintns (int wrow, int wcol, int attr, const char* str, uint len, vchar fill=' ', int fill_attr=-1);
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int wprintsf (int wrow, int wcol, int attr, const char* format, const char* str);
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int wprintws (int wrow, int wcol, vatch* buf, uint len);
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void wpropbar (int mode, int xx, int yy, long len, long barlen, int attr, long pos, long size);
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int wputc (vchar ch);
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int wputs (const char* str);
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int wputx (int wrow, int wcol, int attr, vchar chr, uint len);
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int wreadcur (int* wrow, int* wcol);
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int wscroll (int count, int direc);
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void wscrollbar (int orientation, uint total, uint maxpos, uint pos, int sadd=0);
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int wscrollbox (int wsrow, int wscol, int werow, int wecol, int count, int direction);
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int wshadoff ();
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int wshadow (int attr);
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int wsize (int nerow, int necol);
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int wslide (int nsrow, int nscol);
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void wtextattr (int attr);
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int wtitle (const char* str, int tpos, int tattr);
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int wunhide (int whandle);
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int wunlink (int w);
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int wvline (int wsrow, int wscol, int count, int btype, int attr);
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int wwprints (int whandle, int wrow, int wcol, int attr, const char* str);
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int wwprintstr (int whandle, int wrow, int wcol, int attr, const char* str);
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int wmenubeg (int srow, int scol, int erow, int ecol, int btype, int battr, int wattr, VfvCP open, int menutype=M_VERT);
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inline int wmenubeg_ (int srow, int scol, int vlen, int hlen, int btype, int battr, int wattr, VfvCP open, int menutype=M_VERT) { return wmenubeg(srow, scol, srow+vlen-1, scol+hlen-1, btype, battr, wattr, open, menutype); }
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int wmenubegc ();
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int wmenuend (int taginit, int menutype, int barwidth, int textpos, int textattr, int scharattr, int noselattr, int barattr);
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int wmenuget ();
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int wmenuiba (VfvCP before, VfvCP after);
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int wmenuidsab (int tagid);
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int wmenuienab (int tagid);
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_item_t* wmenuifind (int tagid);
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int wmenuinext (int tagid);
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int wmenuitem (int wrow, int wcol, const char* str, char schar, int tagid, int fmask, VfvCP select, gkey hotkey, int help);
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int wmenuitxt (int whdl, int wrow, int wcol, int attr, const char* str);
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// ------------------------------------------------------------------
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// Inline functions
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inline void wtextattr(int attr) { gwin.active->attr = attr; }
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inline int wclear () { return wcclear(gwin.active->wattr); }
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inline void wfillch (vchar a) { gwin.fillch=a; }
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inline vchar wgetc (int wrow, int wcol) { return vgetc(gwin.active->srow+wrow+gwin.active->border,gwin.active->scol+wcol+gwin.active->border); }
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inline int wisactiv (int a) { return a == gwin.active->whandle; }
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inline void wrestore (vatch* wbuf) { vrestore(wbuf); }
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inline vatch* wsave (int srow, int scol, int erow, int ecol) { return vsave(srow, scol, erow, ecol); }
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inline int wsetesc (int a) { int t=gwin.esc; gwin.esc=a; return t; }
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inline void wsetstyle (int a) { gwin.style = a; }
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inline int wstyle () { return gwin.style; }
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inline void wtabwidth (int a) { gwin.tabwidth = (a==0) ? 1 : a; }
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inline _field_t* winpfcurr () { return gwin.active->form->cfield; }
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inline _menu_t* wmenumcurr () { return gwin.cmenu; }
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inline _item_t* wmenuicurr () { return wmenumcurr()->citem; }
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inline int wmenutitshad(const char* title, int pos, int attr, int shadattr) { gwin.cmenu->title=title; gwin.cmenu->titlepos=pos; gwin.cmenu->titleattr=attr; gwin.cmenu->shadattr=shadattr; return W_NOERROR; }
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// ------------------------------------------------------------------
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#endif
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// ------------------------------------------------------------------
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