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/*--------------------------------*-C-*---------------------------------* |
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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 Marc Lehmann <pcg@goof.com> |
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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 2 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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#define SHADOW_WIDTH 1 |
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|
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static void |
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rxvt_Draw_Shadow (Display *display, Window win, GC topShadow, GC botShadow, int x, int y, int w, int h) |
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{ |
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int shadow; |
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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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for (; shadow-- > 0; x++, y++, w--, h--) |
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{ |
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XDrawLine (display, win, topShadow, x, y, w, y); |
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XDrawLine (display, win, topShadow, x, y, x, h); |
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XDrawLine (display, win, botShadow, w, h, w, y + 1); |
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XDrawLine (display, win, botShadow, 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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void |
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rxvt_term::Draw_button (int x, int y, int state, 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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|
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sz = scrollBar.width; |
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sz2 = sz / 2; |
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switch (state) |
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{ |
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case +1: |
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top = topShadowGC; |
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bot = botShadowGC; |
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break; |
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case -1: |
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top = botShadowGC; |
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bot = topShadowGC; |
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break; |
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default: |
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top = bot = scrollbarGC; |
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break; |
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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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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 (display->display, scrollBar.win, scrollbarGC, |
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pt, 3, Convex, CoordModeOrigin); |
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|
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/* draw base */ |
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XDrawLine (display->display, scrollBar.win, (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 (display->display, scrollBar.win, 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 (display->display, scrollBar.win, 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 (display->display, scrollBar.win, 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 (display->display, scrollBar.win, 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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rxvt_term::scrollbar_show_rxvt (int update, int last_top, int last_bot, int scrollbar_len) |
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{ |
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int sbshadow = sb_shadow; |
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int sbwidth = (int)scrollBar.width; |
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|
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if ((scrollBar.init & R_SB_RXVT) == 0) |
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{ |
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scrollBar.init |= R_SB_RXVT; |
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|
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if (sbshadow) |
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{ |
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XSetWindowBackground (display->display, scrollBar.win, pix_colors_focused[Color_trough]); |
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XClearWindow (display->display, scrollBar.win); |
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} |
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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 < scrollBar.top) |
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XClearArea (display->display, scrollBar.win, |
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sbshadow, last_top, |
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sbwidth, (scrollBar.top - last_top), |
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False); |
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|
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if (scrollBar.bot < last_bot) |
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XClearArea (display->display, scrollBar.win, |
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sbshadow, scrollBar.bot, |
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sbwidth, (last_bot - scrollBar.bot), |
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False); |
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} |
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else |
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XClearWindow (display->display, scrollBar.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 (OPTION (Opt_scrollBar_right)) |
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xofs = 0; |
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else |
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xofs = sbshadow ? sbwidth : sbwidth - 1; |
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|
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XDrawLine (display->display, scrollBar.win, botShadowGC, |
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xofs, 0, xofs, scrollBar.end + sbwidth); |
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} |
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#endif |
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|
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XFillRectangle (display->display, scrollBar.win, scrollbarGC, |
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sbshadow, scrollBar.top, sbwidth, |
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scrollbar_len); |
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|
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if (sbshadow) |
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/* trough shadow */ |
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rxvt_Draw_Shadow (display->display, scrollBar.win, |
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botShadowGC, topShadowGC, |
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0, 0, |
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sbwidth + 2 * sbshadow, /* scrollbar_TotalWidth () */ |
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scrollBar.end + (sbwidth + 1) + sbshadow); |
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|
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/* shadow for scrollbar slider */ |
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rxvt_Draw_Shadow (display->display, scrollBar.win, |
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topShadowGC, botShadowGC, |
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sbshadow, scrollBar.top, sbwidth, |
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scrollbar_len); |
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|
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/* Redraw scrollbar arrows */ |
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Draw_button (sbshadow, sbshadow, (scrollbar_isUp () ? -1 : +1), UP); |
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Draw_button (sbshadow, scrollBar.end + 1, (scrollbar_isDn () ? -1 : +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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|
