--- rxvt-unicode/src/scrollbar.C 2003/12/18 05:45:11 1.5 +++ rxvt-unicode/src/scrollbar.C 2011/09/01 08:16:07 1.75 @@ -1,12 +1,12 @@ -/*--------------------------------*-C-*---------------------------------* - * File: scrollbar.c +/*----------------------------------------------------------------------* + * File: scrollbar.C *----------------------------------------------------------------------* - * $Id: scrollbar.C,v 1.5 2003/12/18 05:45:11 pcg Exp $ * * Copyright (c) 1997,1998 mj olesen * Copyright (c) 1998 Alfredo K. Kojima * - N*XTstep like scrollbars * Copyright (c) 1999-2001 Geoff Wing + * Copyright (c) 2004-2006 Marc Lehmann * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by @@ -25,200 +25,250 @@ #include "../config.h" /* NECESSARY */ #include "rxvt.h" /* NECESSARY */ -#include "scrollbar.intpro" /* PROTOS for internal routines */ /*----------------------------------------------------------------------*/ /* * Map or unmap a scrollbar. Returns non-zero upon change of state */ -/* EXTPROTO */ -int -rxvt_scrollbar_mapping(pR_ int map) +void +scrollBar_t::map (int map) { - int change = 0; -#ifdef HAVE_SCROLLBARS + if (map) + { + state = SB_STATE_IDLE; + + if (!win) + resize (); + else + XMapWindow (term->dpy, win); + } + else + { + state = SB_STATE_OFF; - if (map && !scrollbar_visible(R)) { - R->scrollBar.setIdle (); - if (!R->scrollBar.win) - rxvt_Resize_scrollBar(aR); - if (R->scrollBar.win) { - XMapWindow(R->Xdisplay, R->scrollBar.win); - change = 1; - } - } else if (!map && scrollbar_visible(R)) { - R->scrollBar.state = 0; - XUnmapWindow(R->Xdisplay, R->scrollBar.win); - change = 1; + if (win) + XUnmapWindow (term->dpy, win); } -#endif - return change; } -/* EXTPROTO */ void -rxvt_Resize_scrollBar(pR) +scrollBar_t::resize () { -#ifdef HAVE_SCROLLBARS - int delayed_init = 0; + int delayed_init = 0; + int window_sb_x = 0; -#define R_SCROLLBEG_XTERM 0 -#define R_SCROLLEND_XTERM R->szHint.height -#define R_SCROLLBEG_NEXT 0 -#define R_SCROLLEND_NEXT R->szHint.height - (SB_BUTTON_TOTAL_HEIGHT + \ - SB_PADDING) -#define R_SCROLLBEG_RXVT (R->scrollBar.width + 1) + R->sb_shadow -#define R_SCROLLEND_RXVT R->szHint.height - R_SCROLLBEG_RXVT - \ - (2 * R->sb_shadow) + if (term->option (Opt_scrollBar_right)) + window_sb_x = term->szHint.width - total_width (); -#if defined(XTERM_SCROLLBAR) - if (R->scrollBar.style == R_SB_XTERM) { - R->scrollBar.beg = R_SCROLLBEG_XTERM; - R->scrollBar.end = R_SCROLLEND_XTERM; - R->scrollBar.update = rxvt_scrollbar_show_xterm; - } -#endif -#if defined(NEXT_SCROLLBAR) - if (R->scrollBar.style == R_SB_NEXT) { - R->scrollBar.beg = R_SCROLLBEG_NEXT; - R->scrollBar.end = R_SCROLLEND_NEXT; - R->scrollBar.update = rxvt_scrollbar_show_next; - } -#endif -#if defined(RXVT_SCROLLBAR) - if (R->scrollBar.style == R_SB_RXVT) { - R->scrollBar.beg = R_SCROLLBEG_RXVT; - R->scrollBar.end = R_SCROLLEND_RXVT; - R->scrollBar.update = rxvt_scrollbar_show_rxvt; + update_data (); + + if (!win) + { + /* create the scrollbar window */ + win = XCreateSimpleWindow (term->dpy, + term->parent, + window_sb_x, 0, + total_width (), + term->szHint.height, + 0, + term->pix_colors[Color_fg], + term->pix_colors[Color_border]); + XDefineCursor (term->dpy, win, leftptr_cursor); + + XSelectInput (term->dpy, win, + ExposureMask | ButtonPressMask | ButtonReleaseMask + | Button1MotionMask | Button2MotionMask + | Button3MotionMask); + term->scrollbar_ev.start (term->display, win); + + delayed_init = 1; } -#endif + else + XMoveResizeWindow (term->dpy, win, + window_sb_x, 0, + total_width (), term->szHint.height); - if (!R->scrollBar.win) { -/* create the scrollbar window */ - R->scrollBar.win = XCreateSimpleWindow(R->Xdisplay, - R->TermWin.parent[0], - R->window_sb_x, 0, - scrollbar_TotalWidth(), - R->szHint.height, - 0, - R->PixColors[Color_fg], - R->PixColors[Color_bg]); -#ifdef DEBUG_X - XStoreName(R->Xdisplay, R->scrollBar.win, "scrollbar"); -#endif - XDefineCursor(R->Xdisplay, R->scrollBar.win, R->leftptr_cursor); - XSelectInput(R->Xdisplay, R->scrollBar.win, - (ExposureMask | ButtonPressMask | ButtonReleaseMask - | Button1MotionMask | Button2MotionMask - | Button3MotionMask)); - delayed_init = 1; - } - rxvt_scrollbar_show(aR_ 1); - if (delayed_init) - XMapWindow(R->Xdisplay, R->scrollBar.win); -#endif + show (1); + + if (delayed_init) + XMapWindow (term->dpy, win); } /* * Update current scrollbar view w.r.t. slider heights, etc. */ -/* EXTPROTO */ int -rxvt_scrollbar_show(pR_ int update) +scrollBar_t::show (int refresh) { - int ret = 0; -#ifdef HAVE_SCROLLBARS - int top, bot, len, adj; + int ret; - if (!scrollbar_visible(R)) - return 0; + if (!state) + return 0; - if (update) { - top = (R->TermWin.nscrolled - R->TermWin.view_start); - bot = top + (R->TermWin.nrow - 1); - len = max((R->TermWin.nscrolled + (R->TermWin.nrow - 1)), 1); - adj = (((bot - top) * scrollbar_size()) % len) > 0 ? 1 : 0; - - R->scrollBar.top = (R->scrollBar.beg + (top * scrollbar_size()) / len); - R->scrollbar_len = ((bot - top) * scrollbar_size()) / len + - scrollbar_minheight() + adj; - R->scrollBar.bot = (R->scrollBar.top + R->scrollbar_len); - /* no change */ - if (R->scrollBar.top == R->last_top - && R->scrollBar.bot == R->last_bot - && (R->scrollBar.state == R->last_state || !scrollbar_isUpDn())) - return 0; + if (refresh) + { + int sb_top = term->view_start - term->top_row; + int sb_bot = sb_top + (term->nrow - 1); + int sb_len = max (term->nrow - 1 - term->top_row, 1); + int n = min (min_height (), size ()); + + top = beg + (sb_top * (size () - n)) / sb_len; + bot = top + ecb_div_ru ((sb_bot - sb_top) * (size () - n), sb_len) + n; + /* no change */ + if (top == last_top + && bot == last_bot + && (state == last_state + || !(state == SB_STATE_UP || state == SB_STATE_DOWN))) + return 0; } - ret = R->scrollBar.update(aR_ update, R->last_top, R->last_bot, - R->scrollbar_len); + ret = (this->*update) (refresh); - R->last_top = R->scrollBar.top; - R->last_bot = R->scrollBar.bot; - R->last_state = R->scrollBar.state; + last_top = top; + last_bot = bot; + last_state = state; -#endif - return ret; + return ret; } -/* EXTPROTO */ void -rxvt_setup_scrollbar(pR_ const char *scrollalign, const char *scrollstyle, const char *thickness) +scrollBar_t::setup (rxvt_term *term) { -#ifdef HAVE_SCROLLBARS - int i; - short style, width; - -# if defined(RXVT_SCROLLBAR) || !(defined(NEXT_SCROLLBAR) || defined(XTERM_SCROLLBAR)) - style = R_SB_RXVT; -# else -# ifdef NEXT_SCROLLBAR - style = R_SB_NEXT; -# elif defined(XTERM_SCROLLBAR) - style = R_SB_XTERM; -# endif + int i; + const char *scrollalign, *scrollstyle, *thickness; + + this->term = term; + scrollalign = term->rs[Rs_scrollBar_align]; + scrollstyle = term->rs[Rs_scrollstyle]; + thickness = term->rs[Rs_scrollBar_thickness]; + +# if defined(RXVT_SCROLLBAR) + style = SB_STYLE_RXVT; +# elif defined(XTERM_SCROLLBAR) + style = SB_STYLE_XTERM; +# elif defined(NEXT_SCROLLBAR) + style = SB_STYLE_NEXT; +# elif defined(PLAIN_SCROLLBAR) + style = SB_STYLE_PLAIN; +#else + style = SB_STYLE_RXVT; # endif -# if (defined(NEXT_SCROLLBAR) || defined(XTERM_SCROLLBAR)) - if (scrollstyle) { +# if (defined(NEXT_SCROLLBAR) || defined(XTERM_SCROLLBAR) || defined(PLAIN_SCROLLBAR)) + if (scrollstyle) + { # ifdef NEXT_SCROLLBAR - if (STRNCASECMP(scrollstyle, "next", 4) == 0) - style = R_SB_NEXT; + if (strncasecmp (scrollstyle, "next", 4) == 0) + style = SB_STYLE_NEXT; # endif # ifdef XTERM_SCROLLBAR - if (STRNCASECMP(scrollstyle, "xterm", 5) == 0) - style = R_SB_XTERM; + if (strncasecmp (scrollstyle, "xterm", 5) == 0) + style = SB_STYLE_XTERM; +# endif +# ifdef PLAIN_SCROLLBAR + if (strncasecmp (scrollstyle, "plain", 5) == 0) + style = SB_STYLE_PLAIN; # endif + } # endif - if (style == R_SB_NEXT) - width = SB_WIDTH_NEXT; - else if (style == R_SB_XTERM) - width = SB_WIDTH_XTERM; - else /* if (style == R_SB_RXVT) */ - width = SB_WIDTH_RXVT; - - if (style != R_SB_NEXT) /* dishonour request - for now */ - if (thickness && (i = atoi(thickness)) >= SB_WIDTH_MINIMUM) - width = min(i, SB_WIDTH_MAXIMUM); - -# if defined(RXVT_SCROLLBAR) - if (!(R->Options & Opt_scrollBar_floating) && style == R_SB_RXVT) - R->sb_shadow = SHADOW; + if (style == SB_STYLE_NEXT) + width = SB_WIDTH_NEXT; + else if (style == SB_STYLE_XTERM) + width = SB_WIDTH_XTERM; + else if (style == SB_STYLE_PLAIN) + width = SB_WIDTH_PLAIN; + else /* if (style == SB_STYLE_RXVT) */ + width = SB_WIDTH_RXVT; + + if (style != SB_STYLE_NEXT) /* dishonour request - for now */ + if (thickness && (i = atoi (thickness)) >= SB_WIDTH_MINIMUM) + width = min (i, SB_WIDTH_MAXIMUM); + +# ifdef RXVT_SCROLLBAR + if (! term->option (Opt_scrollBar_floating) && style == SB_STYLE_RXVT) + shadow = SHADOW_WIDTH; # endif - R->scrollBar.style = style; - R->scrollBar.width = width; + /* align = SB_ALIGN_CENTRE; */ + if (scrollalign) + { + if (strncasecmp (scrollalign, "top", 3) == 0) + align = SB_ALIGN_TOP; + else if (strncasecmp (scrollalign, "bottom", 6) == 0) + align = SB_ALIGN_BOTTOM; + } + last_state = SB_STATE_OFF; + /* cursor scrollBar: Black-on-White */ + leftptr_cursor = XCreateFontCursor (term->dpy, XC_left_ptr); +} + +void +scrollBar_t::destroy () +{ +#ifdef XTERM_SCROLLBAR + if (xscrollbarGC) XFreeGC (term->dpy, xscrollbarGC); + if (ShadowGC) XFreeGC (term->dpy, ShadowGC); +#endif +#ifdef PLAIN_SCROLLBAR + if (pscrollbarGC) XFreeGC (term->dpy, pscrollbarGC); +#endif +#ifdef NEXT_SCROLLBAR + if (blackGC) XFreeGC (term->dpy, blackGC); + if (whiteGC) XFreeGC (term->dpy, whiteGC); + if (grayGC) XFreeGC (term->dpy, grayGC); + if (darkGC) XFreeGC (term->dpy, darkGC); + if (stippleGC) XFreeGC (term->dpy, stippleGC); + if (dimple) XFreePixmap (term->dpy, dimple); + if (upArrow) XFreePixmap (term->dpy, upArrow); + if (downArrow) XFreePixmap (term->dpy, downArrow); + if (upArrowHi) XFreePixmap (term->dpy, upArrowHi); + if (downArrowHi) XFreePixmap (term->dpy, downArrowHi); +#endif +#ifdef RXVT_SCROLLBAR + if (topShadowGC) XFreeGC (term->dpy, topShadowGC); + if (botShadowGC) XFreeGC (term->dpy, botShadowGC); + if (scrollbarGC) XFreeGC (term->dpy, scrollbarGC); +#endif +} - /* R->scrollbar_align = R_SB_ALIGN_CENTRE; */ - if (scrollalign) { - if (STRNCASECMP(scrollalign, "top", 3) == 0) - R->scrollbar_align = R_SB_ALIGN_TOP; - else if (STRNCASECMP(scrollalign, "bottom", 6) == 0) - R->scrollbar_align = R_SB_ALIGN_BOTTOM; +void +scrollBar_t::update_data () +{ +#if defined(PLAIN_SCROLLBAR) + if (style == SB_STYLE_PLAIN) + { + beg = 0; + end = term->szHint.height; + update = &scrollBar_t::show_plain; + } +#endif +#if defined(XTERM_SCROLLBAR) + if (style == SB_STYLE_XTERM) + { + beg = 0; + end = term->szHint.height; + update = &scrollBar_t::show_xterm; + } +#endif +#if defined(NEXT_SCROLLBAR) + if (style == SB_STYLE_NEXT) + { + beg = 0; + end = term->szHint.height - (SB_BUTTON_TOTAL_HEIGHT + SB_PADDING); + update = &scrollBar_t::show_next; + } +#endif +#if defined(RXVT_SCROLLBAR) + if (style == SB_STYLE_RXVT) + { + beg = (width + 1) + shadow; + end = term->szHint.height - beg - (2 * shadow); + update = &scrollBar_t::show_rxvt; } #endif } /*----------------------- end-of-file (C source) -----------------------*/ +