Mercurial > hg > index.fcgi > dwm > dwm-3.6.1-12pba

annotate draw.c @ 2:de6bb7885c97

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add right-click eventon layout icon to go to previous layout
author pang@hit-nxdomain.opendns.com
date Tue, 24 Mar 2009 12:52:45 -0700
parents
children faa4cb9d7bd6
rev   line source
paulo@0 1 /* (C)opyright MMVI-MMVII Anselm R. Garbe <garbeam at gmail dot com>
paulo@0 2 * See LICENSE file for license details.
paulo@0 3 */
paulo@0 4 #include "dwm.h"
paulo@0 5 #include <string.h>
paulo@0 6
paulo@0 7 /* static */
paulo@0 8
paulo@0 9 static void
paulo@0 10 drawsquare(Bool filled, Bool empty, unsigned long col[ColLast]) {
paulo@0 11 int x;
paulo@0 12 XGCValues gcv;
paulo@0 13 XRectangle r = { dc.x, dc.y, dc.w, dc.h };
paulo@0 14
paulo@0 15 gcv.foreground = col[ColFG];
paulo@0 16 XChangeGC(dpy, dc.gc, GCForeground, &gcv);
paulo@0 17 x = (dc.font.ascent + dc.font.descent + 2) / 4;
paulo@0 18 r.x = dc.x + 1;
paulo@0 19 r.y = dc.y + 1;
paulo@0 20 if(filled) {
paulo@0 21 r.width = r.height = x + 1;
paulo@0 22 XFillRectangles(dpy, dc.drawable, dc.gc, &r, 1);
paulo@0 23 }
paulo@0 24 else if(empty) {
paulo@0 25 r.width = r.height = x;
paulo@0 26 XDrawRectangles(dpy, dc.drawable, dc.gc, &r, 1);
paulo@0 27 }
paulo@0 28 }
paulo@0 29
paulo@0 30 static Bool
paulo@0 31 isoccupied(unsigned int t) {
paulo@0 32 Client *c;
paulo@0 33
paulo@0 34 for(c = clients; c; c = c->next)
paulo@0 35 if(c->tags[t])
paulo@0 36 return True;
paulo@0 37 return False;
paulo@0 38 }
paulo@0 39
paulo@0 40 static unsigned int
paulo@0 41 textnw(const char *text, unsigned int len) {
paulo@0 42 XRectangle r;
paulo@0 43
paulo@0 44 if(dc.font.set) {
paulo@0 45 XmbTextExtents(dc.font.set, text, len, NULL, &r);
paulo@0 46 return r.width;
paulo@0 47 }
paulo@0 48 return XTextWidth(dc.font.xfont, text, len);
paulo@0 49 }
paulo@0 50
paulo@0 51 /* extern */
paulo@0 52
paulo@0 53 void
paulo@0 54 drawstatus(void) {
paulo@0 55 Client *c;
paulo@0 56 int i, j, x;
paulo@0 57
paulo@0 58 dc.x = dc.y = 0;
paulo@0 59 for(i = 0; i < ntags; i++) {
paulo@0 60 dc.w = textw(tags[i]);
paulo@0 61 if(seltag[i]) {
paulo@0 62 drawtext(tags[i], dc.sel);
paulo@0 63 drawsquare(sel && sel->tags[i], isoccupied(i), dc.sel);
paulo@0 64 }
paulo@0 65 else {
paulo@0 66 drawtext(tags[i], dc.norm);
paulo@0 67 drawsquare(sel && sel->tags[i], isoccupied(i), dc.norm);
paulo@0 68 }
paulo@0 69 dc.x += dc.w;
paulo@0 70 }
paulo@0 71 dc.w = blw;
paulo@0 72 drawtext(lt->symbol, dc.norm);
paulo@0 73 x = dc.x + dc.w;
paulo@0 74 dc.w = textw(stext);
paulo@0 75 dc.x = sw - dc.w;
paulo@0 76 if(dc.x < x) {
paulo@0 77 dc.x = x;
paulo@0 78 dc.w = sw - x;
paulo@0 79 }
paulo@0 80 drawtext(stext, dc.norm);
paulo@0 81 if((dc.w = dc.x - x) > bh) {
paulo@0 82 dc.x = x;
paulo@0 83 for(j=0, c = clients; c; c = c->next) {
paulo@0 84 if(isvisible(c))
paulo@0 85 j++;
paulo@0 86 }
paulo@0 87 if(j && j < MAX_TASKS)
paulo@0 88 dc.w /= j;
paulo@0 89 else {
paulo@0 90 drawtext(sel ? sel->name : NULL, sel ? dc.sel : dc.norm);
paulo@0 91 j = 0;
paulo@0 92 }
paulo@0 93 for(c = clients; j && c; c = c->next) {
paulo@0 94 if(isvisible(c)) {
paulo@0 95 drawtext(c->name, (c == sel) ? dc.sel : dc.norm);
paulo@0 96 dc.x += dc.w;
paulo@0 97 j--;
paulo@0 98 }
paulo@0 99 }
paulo@0 100 }
paulo@0 101 XCopyArea(dpy, dc.drawable, barwin, dc.gc, 0, 0, sw, bh, 0, 0);
paulo@0 102 XSync(dpy, False);
paulo@0 103 }
paulo@0 104
paulo@0 105 void
paulo@0 106 drawtext(const char *text, unsigned long col[ColLast]) {
paulo@0 107 int x, y, w, h;
paulo@0 108 static char buf[256];
paulo@0 109 unsigned int len, olen;
paulo@0 110 XGCValues gcv;
paulo@0 111 XRectangle r = { dc.x, dc.y, dc.w, dc.h };
paulo@0 112
paulo@0 113 XSetForeground(dpy, dc.gc, col[ColBG]);
paulo@0 114 XFillRectangles(dpy, dc.drawable, dc.gc, &r, 1);
paulo@0 115 if(!text)
paulo@0 116 return;
paulo@0 117 w = 0;
paulo@0 118 olen = len = strlen(text);
paulo@0 119 if(len >= sizeof buf)
paulo@0 120 len = sizeof buf - 1;
paulo@0 121 memcpy(buf, text, len);
paulo@0 122 buf[len] = 0;
paulo@0 123 h = dc.font.ascent + dc.font.descent;
paulo@0 124 y = dc.y + (dc.h / 2) - (h / 2) + dc.font.ascent;
paulo@0 125 x = dc.x + (h / 2);
paulo@0 126 /* shorten text if necessary */
paulo@0 127 while(len && (w = textnw(buf, len)) > dc.w - h)
paulo@0 128 buf[--len] = 0;
paulo@0 129 if(len < olen) {
paulo@0 130 if(len > 1)
paulo@0 131 buf[len - 1] = '.';
paulo@0 132 if(len > 2)
paulo@0 133 buf[len - 2] = '.';
paulo@0 134 if(len > 3)
paulo@0 135 buf[len - 3] = '.';
paulo@0 136 }
paulo@0 137 if(w > dc.w)
paulo@0 138 return; /* too long */
paulo@0 139 gcv.foreground = col[ColFG];
paulo@0 140 if(dc.font.set) {
paulo@0 141 XChangeGC(dpy, dc.gc, GCForeground, &gcv);
paulo@0 142 XmbDrawString(dpy, dc.drawable, dc.font.set, dc.gc, x, y, buf, len);
paulo@0 143 }
paulo@0 144 else {
paulo@0 145 gcv.font = dc.font.xfont->fid;
paulo@0 146 XChangeGC(dpy, dc.gc, GCForeground | GCFont, &gcv);
paulo@0 147 XDrawString(dpy, dc.drawable, dc.gc, x, y, buf, len);
paulo@0 148 }
paulo@0 149 }
paulo@0 150
paulo@0 151 unsigned int
paulo@0 152 textw(const char *text) {
paulo@0 153 return textnw(text, strlen(text)) + dc.font.height;
paulo@0 154 }