169 lines
5.8 KiB
C
169 lines
5.8 KiB
C
/*
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* draw.c - draw functions
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*
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* Copyright © 2007 Julien Danjou <julien@danjou.info>
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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 along
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* with this program; if not, write to the Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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*/
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#include "layout.h"
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extern Client *clients, *sel, *stack; /* global client list and stack */
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/* static */
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static void
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drawtext(Display *disp, DC drawcontext, Statusbar * statusbar, const char *text, unsigned long col[ColLast])
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{
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int x, y, w, h;
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static char buf[256];
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unsigned int len, olen;
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XRectangle r = { drawcontext.x, drawcontext.y, drawcontext.w, drawcontext.h };
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XSetForeground(disp, drawcontext.gc, col[ColBG]);
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XFillRectangles(disp, statusbar->drawable, drawcontext.gc, &r, 1);
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if(!text)
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return;
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w = 0;
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olen = len = a_strlen(text);
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if(len >= sizeof buf)
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len = sizeof buf - 1;
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memcpy(buf, text, len);
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buf[len] = 0;
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h = drawcontext.font.ascent + drawcontext.font.descent;
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y = drawcontext.y + (drawcontext.h / 2) - (h / 2) + drawcontext.font.ascent;
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x = drawcontext.x + (h / 2);
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/* shorten text if necessary */
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while(len && (w = textnw(drawcontext.font.set, drawcontext.font.xfont, buf, len)) > drawcontext.w - h)
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buf[--len] = 0;
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if(w > drawcontext.w)
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return; /* too long */
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if(len < olen)
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{
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if(len > 1)
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buf[len - 1] = '.';
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if(len > 2)
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buf[len - 2] = '.';
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if(len > 3)
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buf[len - 3] = '.';
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}
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XSetForeground(disp, drawcontext.gc, col[ColFG]);
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if(drawcontext.font.set)
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XmbDrawString(disp, statusbar->drawable, drawcontext.font.set, drawcontext.gc, x, y, buf, len);
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else
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XDrawString(disp, statusbar->drawable, drawcontext.gc, x, y, buf, len);
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}
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static void
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drawsquare(Bool filled, Bool empty, unsigned long col[ColLast], Display *disp, DC drawcontext, Statusbar *statusbar)
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{
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int x;
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XGCValues gcv;
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XRectangle r = { drawcontext.x, drawcontext.y, drawcontext.w, drawcontext.h };
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gcv.foreground = col[ColFG];
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XChangeGC(disp, drawcontext.gc, GCForeground, &gcv);
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x = (drawcontext.font.ascent + drawcontext.font.descent + 2) / 4;
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r.x = drawcontext.x + 1;
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r.y = drawcontext.y + 1;
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if(filled)
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{
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r.width = r.height = x + 1;
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XFillRectangles(disp, statusbar->drawable, drawcontext.gc, &r, 1);
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}
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else if(empty)
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{
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r.width = r.height = x;
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XDrawRectangles(disp, statusbar->drawable, drawcontext.gc, &r, 1);
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}
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}
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/** Check if at least a client is tagged with tag number t
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* \param t tag number
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* \return True or False
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*/
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static Bool
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isoccupied(unsigned int t)
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{
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Client *c;
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for(c = clients; c; c = c->next)
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if(c->tags[t])
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return True;
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return False;
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}
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/* extern */
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unsigned int
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textnw(XFontSet set, XFontStruct *xfont, const char *text, unsigned int len)
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{
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XRectangle r;
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if(set)
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{
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XmbTextExtents(set, text, len, NULL, &r);
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return r.width;
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}
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return XTextWidth(xfont, text, len);
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}
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void
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drawstatusbar(Display *disp, DC *drawcontext, awesome_config * awesomeconf)
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{
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int x, i;
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drawcontext->x = drawcontext->y = 0;
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for(i = 0; i < awesomeconf->ntags; i++)
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{
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drawcontext->w = textw(drawcontext->font.set, drawcontext->font.xfont, awesomeconf->tags[i], drawcontext->font.height);
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if(awesomeconf->selected_tags[i])
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{
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drawtext(disp, *drawcontext, &awesomeconf->statusbar, awesomeconf->tags[i], drawcontext->sel);
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drawsquare(sel && sel->tags[i], isoccupied(i), drawcontext->sel, disp, *drawcontext, &awesomeconf->statusbar);
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}
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else
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{
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drawtext(disp, *drawcontext, &awesomeconf->statusbar, awesomeconf->tags[i], drawcontext->norm);
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drawsquare(sel && sel->tags[i], isoccupied(i), drawcontext->norm, disp, *drawcontext, &awesomeconf->statusbar);
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}
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drawcontext->x += drawcontext->w;
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}
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drawcontext->w = awesomeconf->statusbar.width;
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drawtext(disp, *drawcontext, &awesomeconf->statusbar, awesomeconf->current_layout->symbol, drawcontext->norm);
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x = drawcontext->x + drawcontext->w;
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drawcontext->w = textw(drawcontext->font.set, drawcontext->font.xfont, awesomeconf->statustext, drawcontext->font.height);
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drawcontext->x = DisplayWidth(disp, DefaultScreen(disp)) - drawcontext->w;
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if(drawcontext->x < x)
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{
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drawcontext->x = x;
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drawcontext->w = DisplayWidth(disp, DefaultScreen(disp)) - x;
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}
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drawtext(disp, *drawcontext, &awesomeconf->statusbar, awesomeconf->statustext, drawcontext->norm);
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if((drawcontext->w = drawcontext->x - x) > awesomeconf->statusbar.height)
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{
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drawcontext->x = x;
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if(sel)
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{
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drawtext(disp, *drawcontext, &awesomeconf->statusbar, sel->name, drawcontext->sel);
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drawsquare(sel->ismax, sel->isfloating, drawcontext->sel, disp, *drawcontext, &awesomeconf->statusbar);
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}
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else
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drawtext(disp, *drawcontext, &awesomeconf->statusbar, NULL, drawcontext->norm);
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}
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XCopyArea(disp, awesomeconf->statusbar.drawable, awesomeconf->statusbar.window, drawcontext->gc, 0, 0, DisplayWidth(disp, DefaultScreen(disp)), awesomeconf->statusbar.height, 0, 0);
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XSync(disp, False);
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}
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