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/*----------------------------------------------------------------------* |
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* File: scrollbar-rxvt.C |
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*----------------------------------------------------------------------* |
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* |
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* Copyright (c) 1997,1998 mj olesen <olesen@me.QueensU.CA> |
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* Copyright (c) 1999-2001 Geoff Wing <gcw@pobox.com> |
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* Copyright (c) 2004-2006 Marc Lehmann <schmorp@schmorp.de> |
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* |
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* This program is free software; you can redistribute it and/or modify |
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* it under the terms of the GNU General Public License as published by |
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* the Free Software Foundation; either version 3 of the License, or |
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* (at your option) any later version. |
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* |
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* This program 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 |
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* GNU General Public License for more details. |
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* |
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* You should have received a copy of the GNU General Public License |
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* along with this program; if not, write to the Free Software |
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* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. |
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*----------------------------------------------------------------------*/ |
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|
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#include "../config.h" /* NECESSARY */ |
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#include "rxvt.h" /* NECESSARY */ |
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|
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/*----------------------------------------------------------------------*/ |
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#if defined(RXVT_SCROLLBAR) |
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|
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static void |
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draw_shadow (scrollBar_t *sb, int x, int y, int w, int h) |
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{ |
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int shadow; |
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Drawable d = sb->win; |
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Display *dpy = sb->term->dpy; |
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|
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shadow = (w == 0 || h == 0) ? 1 : SHADOW_WIDTH; |
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w += x - 1; |
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h += y - 1; |
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|
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for (; shadow-- > 0; x++, y++, w--, h--) |
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{ |
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XDrawLine (dpy, d, sb->topShadowGC, x, y, w , y ); |
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XDrawLine (dpy, d, sb->topShadowGC, x, y, x , h ); |
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XDrawLine (dpy, d, sb->botShadowGC, w, h, w , y + 1); |
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XDrawLine (dpy, d, sb->botShadowGC, w, h, x + 1, h ); |
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} |
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} |
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|
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/* draw triangular button with a shadow of 2 pixels */ |
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static void |
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draw_button (scrollBar_t *sb, int x, int y, int dirn) |
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{ |
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unsigned int sz, sz2; |
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XPoint pt[3]; |
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GC top, bot; |
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Drawable d = sb->win; |
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Display *dpy = sb->term->dpy; |
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|
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sz = sb->width; |
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sz2 = sz / 2; |
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|
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if ((dirn == UP && sb->state == SB_STATE_UP) |
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|| (dirn == DN && sb->state == SB_STATE_DOWN)) |
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{ |
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top = sb->botShadowGC; |
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bot = sb->topShadowGC; |
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} |
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else |
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{ |
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top = sb->topShadowGC; |
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bot = sb->botShadowGC; |
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} |
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|
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/* fill triangle */ |
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pt[0].x = x; |
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pt[1].x = x + sz - 1; |
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pt[2].x = x + sz2; |
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|
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if (dirn == UP) |
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{ |
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pt[0].y = pt[1].y = y + sz - 1; |
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pt[2].y = y; |
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} |
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else |
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{ |
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pt[0].y = pt[1].y = y; |
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pt[2].y = y + sz - 1; |
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} |
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|
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XFillPolygon (dpy, d, sb->scrollbarGC, |
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pt, 3, Convex, CoordModeOrigin); |
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|
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/* draw base */ |
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XDrawLine (dpy, d, (dirn == UP ? bot : top), |
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pt[0].x, pt[0].y, pt[1].x, pt[1].y); |
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|
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/* draw shadow on left */ |
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pt[1].x = x + sz2 - 1; |
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pt[1].y = y + (dirn == UP ? 0 : sz - 1); |
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XDrawLine (dpy, d, top, |
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pt[0].x, pt[0].y, pt[1].x, pt[1].y); |
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|
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#if SHADOW_WIDTH > 1 |
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/* doubled */ |
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pt[0].x++; |
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|
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if (dirn == UP) |
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{ |
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pt[0].y--; |
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pt[1].y++; |
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} |
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else |
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{ |
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pt[0].y++; |
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pt[1].y--; |
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} |
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|
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XDrawLine (dpy, d, top, |
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pt[0].x, pt[0].y, pt[1].x, pt[1].y); |
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#endif |
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|
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/* draw shadow on right */ |
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pt[1].x = x + sz - 1; |
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/* pt[2].x = x + sz2; */ |
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pt[1].y = y + (dirn == UP ? sz - 1 : 0); |
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pt[2].y = y + (dirn == UP ? 0 : sz - 1); |
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XDrawLine (dpy, d, bot, |
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pt[2].x, pt[2].y, pt[1].x, pt[1].y); |
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|
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#if SHADOW_WIDTH > 1 |
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/* doubled */ |
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pt[1].x--; |
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if (dirn == UP) |
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{ |
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pt[2].y++; |
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pt[1].y--; |
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} |
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else |
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{ |
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pt[2].y--; |
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pt[1].y++; |
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} |
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|
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XDrawLine (dpy, d, bot, |
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pt[2].x, pt[2].y, pt[1].x, pt[1].y); |
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#endif |
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} |
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|
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int |
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scrollBar_t::show_rxvt (int update) |
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{ |
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int sbwidth = (int)width; |
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|
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if ((init & SB_STYLE_RXVT) == 0) |
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{ |
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XGCValues gcvalue; |
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|
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init |= SB_STYLE_RXVT; |
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|
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gcvalue.foreground = term->pix_colors[Color_topShadow]; |
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topShadowGC = XCreateGC (term->dpy, term->vt, GCForeground, &gcvalue); |
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gcvalue.foreground = term->pix_colors[Color_bottomShadow]; |
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botShadowGC = XCreateGC (term->dpy, term->vt, GCForeground, &gcvalue); |
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gcvalue.foreground = term->pix_colors[ (term->depth <= 2 ? Color_fg : Color_scroll)]; |
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scrollbarGC = XCreateGC (term->dpy, term->vt, GCForeground, &gcvalue); |
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} |
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else |
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{ |
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if (update) |
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{ |
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if (last_top < top) |
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XClearArea (term->dpy, win, |
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shadow, last_top, |
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sbwidth, (top - last_top), |
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False); |
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|
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if (bot < last_bot) |
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XClearArea (term->dpy, win, |
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shadow, bot, |
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sbwidth, (last_bot - bot), |
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False); |
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} |
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else |
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XClearWindow (term->dpy, win); |
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} |
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|
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/* scrollbar slider */ |
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#ifdef SB_BORDER |
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{ |
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int xofs; |
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|
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if (term->option (Opt_scrollBar_right)) |
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xofs = 0; |
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else |
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xofs = shadow ? sbwidth : sbwidth - 1; |
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|
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XDrawLine (term->dpy, win, botShadowGC, |
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xofs, 0, xofs, end + sbwidth); |
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} |
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#endif |
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|
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XFillRectangle (term->dpy, win, scrollbarGC, |
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shadow, top, sbwidth, |
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bot - top); |
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|
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if (shadow) |
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/* trough shadow */ |
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draw_shadow (this, 0, 0, sbwidth + 2 * shadow, end + (sbwidth + 1) + shadow); |
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|
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/* shadow for scrollbar slider */ |
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draw_shadow (this, shadow, top, sbwidth, bot - top); |
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|
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/* Redraw scrollbar arrows */ |
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draw_button (this, shadow, shadow, UP); |
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draw_button (this, shadow, end + 1, DN); |
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|
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return 1; |
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} |
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#endif /* RXVT_SCROLLBAR */ |
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/*----------------------- end-of-file (C source) -----------------------*/ |
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|
