| /**************************************************************************** |
| * Copyright (c) 1998-2012,2014 Free Software Foundation, Inc. * |
| * * |
| * Permission is hereby granted, free of charge, to any person obtaining a * |
| * copy of this software and associated documentation files (the * |
| * "Software"), to deal in the Software without restriction, including * |
| * without limitation the rights to use, copy, modify, merge, publish, * |
| * distribute, distribute with modifications, sublicense, and/or sell * |
| * copies of the Software, and to permit persons to whom the Software is * |
| * furnished to do so, subject to the following conditions: * |
| * * |
| * The above copyright notice and this permission notice shall be included * |
| * in all copies or substantial portions of the Software. * |
| * * |
| * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS * |
| * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF * |
| * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. * |
| * IN NO EVENT SHALL THE ABOVE COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, * |
| * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR * |
| * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR * |
| * THE USE OR OTHER DEALINGS IN THE SOFTWARE. * |
| * * |
| * Except as contained in this notice, the name(s) of the above copyright * |
| * holders shall not be used in advertising or otherwise to promote the * |
| * sale, use or other dealings in this Software without prior written * |
| * authorization. * |
| ****************************************************************************/ |
| |
| /* $Id: panel.priv.h,v 1.26 2014/11/01 14:48:03 tom Exp $ */ |
| |
| #ifndef NCURSES_PANEL_PRIV_H |
| #define NCURSES_PANEL_PRIV_H 1 |
| /* *INDENT-OFF* */ |
| |
| #if HAVE_CONFIG_H |
| # include <ncurses_cfg.h> |
| #endif |
| |
| #include <stdlib.h> |
| #include <string.h> |
| #include <assert.h> |
| |
| struct screen; /* forward declaration */ |
| |
| #include "curses.priv.h" /* includes nc_panel.h */ |
| #include "panel.h" |
| |
| |
| #if USE_RCS_IDS |
| # define MODULE_ID(id) static const char Ident[] = id; |
| #else |
| # define MODULE_ID(id) /*nothing*/ |
| #endif |
| |
| |
| #ifdef TRACE |
| extern NCURSES_EXPORT(const char *) _nc_my_visbuf (const void *); |
| # ifdef TRACE_TXT |
| # define USER_PTR(ptr) _nc_visbuf((const char *)ptr) |
| # else |
| # define USER_PTR(ptr) _nc_my_visbuf((const char *)ptr) |
| # endif |
| |
| # define returnPanel(code) TRACE_RETURN1(code,panel) |
| |
| extern NCURSES_EXPORT(PANEL *) _nc_retrace_panel (PANEL *); |
| extern NCURSES_EXPORT(void) _nc_dPanel (const char*, const PANEL*); |
| extern NCURSES_EXPORT(void) _nc_dStack (const char*, int, const PANEL*); |
| extern NCURSES_EXPORT(void) _nc_Wnoutrefresh (const PANEL*); |
| extern NCURSES_EXPORT(void) _nc_Touchpan (const PANEL*); |
| extern NCURSES_EXPORT(void) _nc_Touchline (const PANEL*, int, int); |
| |
| # define dBug(x) _tracef x |
| # define dPanel(text,pan) _nc_dPanel(text,pan) |
| # define dStack(fmt,num,pan) _nc_dStack(fmt,num,pan) |
| # define Wnoutrefresh(pan) _nc_Wnoutrefresh(pan) |
| # define Touchpan(pan) _nc_Touchpan(pan) |
| # define Touchline(pan,start,count) _nc_Touchline(pan,start,count) |
| #else /* !TRACE */ |
| # define returnPanel(code) return code |
| # define dBug(x) |
| # define dPanel(text,pan) |
| # define dStack(fmt,num,pan) |
| # define Wnoutrefresh(pan) wnoutrefresh((pan)->win) |
| # define Touchpan(pan) touchwin((pan)->win) |
| # define Touchline(pan,start,count) touchline((pan)->win,start,count) |
| #endif |
| |
| #if NCURSES_SP_FUNCS |
| #define GetScreenHook(sp) \ |
| struct panelhook* ph = NCURSES_SP_NAME(_nc_panelhook)(sp) |
| #define GetPanelHook(pan) \ |
| GetScreenHook(pan ? _nc_screen_of((pan)->win) : 0) |
| #define GetWindowHook(win) \ |
| SCREEN* sp = _nc_screen_of(win); \ |
| GetScreenHook(sp) |
| #define GetHook(pan) SCREEN* sp = _nc_screen_of(pan->win); \ |
| GetScreenHook(sp) |
| |
| #define _nc_stdscr_pseudo_panel ((ph)->stdscr_pseudo_panel) |
| #define _nc_top_panel ((ph)->top_panel) |
| #define _nc_bottom_panel ((ph)->bottom_panel) |
| |
| #else /* !NCURSES_SP_FUNCS */ |
| |
| #define GetScreenHook(sp) /* nothing */ |
| #define GetPanelHook(pan) /* nothing */ |
| #define GetWindowHook(win) /* nothing */ |
| #define GetHook(pan) /* nothing */ |
| |
| #define _nc_stdscr_pseudo_panel _nc_panelhook()->stdscr_pseudo_panel |
| #define _nc_top_panel _nc_panelhook()->top_panel |
| #define _nc_bottom_panel _nc_panelhook()->bottom_panel |
| |
| #endif /* NCURSES_SP_FUNCS */ |
| |
| #define EMPTY_STACK() (_nc_top_panel == _nc_bottom_panel) |
| #define Is_Bottom(p) (((p) != (PANEL*)0) && !EMPTY_STACK() && (_nc_bottom_panel->above == (p))) |
| #define Is_Top(p) (((p) != (PANEL*)0) && !EMPTY_STACK() && (_nc_top_panel == (p))) |
| #define Is_Pseudo(p) (((p) != (PANEL*)0) && ((p) == _nc_bottom_panel)) |
| |
| /*+------------------------------------------------------------------------- |
| IS_LINKED(pan) - check to see if panel is in the stack |
| --------------------------------------------------------------------------*/ |
| /* This works! The only case where it would fail is, when the list has |
| only one element. But this could only be the pseudo panel at the bottom */ |
| #define IS_LINKED(p) (((p)->above || (p)->below ||((p)==_nc_bottom_panel)) ? TRUE : FALSE) |
| |
| #define PSTARTX(pan) ((pan)->win->_begx) |
| #define PENDX(pan) ((pan)->win->_begx + getmaxx((pan)->win) - 1) |
| #define PSTARTY(pan) ((pan)->win->_begy) |
| #define PENDY(pan) ((pan)->win->_begy + getmaxy((pan)->win) - 1) |
| |
| /*+------------------------------------------------------------------------- |
| PANELS_OVERLAPPED(pan1,pan2) - check panel overlapped |
| ---------------------------------------------------------------------------*/ |
| #define PANELS_OVERLAPPED(pan1,pan2) \ |
| (( !(pan1) || !(pan2) || \ |
| PSTARTY(pan1) > PENDY(pan2) || PENDY(pan1) < PSTARTY(pan2) ||\ |
| PSTARTX(pan1) > PENDX(pan2) || PENDX(pan1) < PSTARTX(pan2) ) \ |
| ? FALSE : TRUE) |
| |
| |
| /*+------------------------------------------------------------------------- |
| Compute the intersection rectangle of two overlapping rectangles |
| ---------------------------------------------------------------------------*/ |
| #define COMPUTE_INTERSECTION(pan1,pan2,ix1,ix2,iy1,iy2)\ |
| ix1 = (PSTARTX(pan1) < PSTARTX(pan2)) ? PSTARTX(pan2) : PSTARTX(pan1);\ |
| ix2 = (PENDX(pan1) < PENDX(pan2)) ? PENDX(pan1) : PENDX(pan2);\ |
| iy1 = (PSTARTY(pan1) < PSTARTY(pan2)) ? PSTARTY(pan2) : PSTARTY(pan1);\ |
| iy2 = (PENDY(pan1) < PENDY(pan2)) ? PENDY(pan1) : PENDY(pan2);\ |
| assert((ix1<=ix2) && (iy1<=iy2)) |
| |
| |
| /*+------------------------------------------------------------------------- |
| Walk through the panel stack starting at the given location and |
| check for intersections; overlapping panels are "touched", so they |
| are incrementally overwriting cells that should be hidden. |
| If the "touch" flag is set, the panel gets touched before it is |
| updated. |
| ---------------------------------------------------------------------------*/ |
| #define PANEL_UPDATE(pan,panstart)\ |
| { PANEL* pan2 = ((panstart) ? (panstart) : _nc_bottom_panel);\ |
| while(pan2 && pan2->win) {\ |
| if ((pan2 != pan) && PANELS_OVERLAPPED(pan,pan2)) {\ |
| int y, ix1, ix2, iy1, iy2;\ |
| COMPUTE_INTERSECTION(pan, pan2, ix1, ix2, iy1, iy2);\ |
| for(y = iy1; y <= iy2; y++) {\ |
| if (is_linetouched(pan->win,y - PSTARTY(pan))) {\ |
| struct ldat* line = &(pan2->win->_line[y - PSTARTY(pan2)]);\ |
| CHANGED_RANGE(line, ix1 - PSTARTX(pan2), ix2 - PSTARTX(pan2));\ |
| }\ |
| }\ |
| }\ |
| pan2 = pan2->above;\ |
| }\ |
| } |
| |
| /*+------------------------------------------------------------------------- |
| Remove panel from stack. |
| ---------------------------------------------------------------------------*/ |
| #define PANEL_UNLINK(pan,err) \ |
| { err = ERR;\ |
| if (pan) {\ |
| if (IS_LINKED(pan)) {\ |
| if ((pan)->below)\ |
| (pan)->below->above = (pan)->above;\ |
| if ((pan)->above)\ |
| (pan)->above->below = (pan)->below;\ |
| if ((pan) == _nc_bottom_panel) \ |
| _nc_bottom_panel = (pan)->above;\ |
| if ((pan) == _nc_top_panel) \ |
| _nc_top_panel = (pan)->below;\ |
| err = OK;\ |
| }\ |
| (pan)->above = (pan)->below = (PANEL*)0;\ |
| }\ |
| } |
| |
| #define HIDE_PANEL(pan,err,err_if_unlinked)\ |
| if (IS_LINKED(pan)) {\ |
| Touchpan(pan);\ |
| PANEL_UPDATE(pan,(PANEL*)0);\ |
| PANEL_UNLINK(pan,err);\ |
| } \ |
| else {\ |
| err = err_if_unlinked;\ |
| } |
| |
| #if NCURSES_SP_FUNCS |
| /* These may become later renamed and part of panel.h and the public API */ |
| extern NCURSES_EXPORT(void) NCURSES_SP_NAME(_nc_update_panels)(SCREEN*); |
| #endif |
| /* *INDENT-ON* */ |
| |
| #endif /* NCURSES_PANEL_PRIV_H */ |
