aewl: 29f7d5cc996c draw.c

aewl

view draw.c @ 610:29f7d5cc996c

Added tag 2.5 for changeset dcbbfabc8ecc5f33a6cc950584de87da1a368045

author	arg@mig29
date	Mon, 04 Dec 2006 15:39:43 +0100
parents	16762f7414de
children	5f4bb0a58f32

line source

1 /* (C)opyright MMIV-MMVI Anselm R. Garbe <garbeam at gmail dot com>

2 * See LICENSE file for license details.

3 */

4 #include "dwm.h"

5 #include <stdio.h>

6 #include <string.h>

7 #include <X11/Xlocale.h>

9 /* static */

11 static Bool

12 isoccupied(unsigned int t)

13 {

14 Client *c;

15 for(c = clients; c; c = c->next)

16 if(c->tags[t])

17 return True;

18 return False;

19 }

21 static unsigned int

22 textnw(const char *text, unsigned int len) {

23 XRectangle r;

25 if(dc.font.set) {

26 XmbTextExtents(dc.font.set, text, len, NULL, &r);

27 return r.width;

28 }

29 return XTextWidth(dc.font.xfont, text, len);

30 }

32 static void

33 drawtext(const char *text, unsigned long col[ColLast], Bool filledsquare, Bool emptysquare) {

34 int x, y, w, h;

35 static char buf[256];

36 unsigned int len, olen;

37 XGCValues gcv;

38 XRectangle r = { dc.x, dc.y, dc.w, dc.h };

39 XPoint pt[5];

41 XSetForeground(dpy, dc.gc, col[ColBG]);

42 XFillRectangles(dpy, dc.drawable, dc.gc, &r, 1);

43 if(!text)

44 return;

45 w = 0;

46 olen = len = strlen(text);

47 if(len >= sizeof buf)

48 len = sizeof buf - 1;

49 memcpy(buf, text, len);

50 buf[len] = 0;

51 h = dc.font.ascent + dc.font.descent;

52 y = dc.y + (dc.h / 2) - (h / 2) + dc.font.ascent;

53 x = dc.x + (h / 2);

54 /* shorten text if necessary */

55 while(len && (w = textnw(buf, len)) > dc.w - h)

56 buf[--len] = 0;

57 if(len < olen) {

58 if(len > 1)

59 buf[len - 1] = '.';

60 if(len > 2)

61 buf[len - 2] = '.';

62 if(len > 3)

63 buf[len - 3] = '.';

64 }

65 if(w > dc.w)

66 return; /* too long */

67 gcv.foreground = col[ColFG];

68 if(dc.font.set) {

69 XChangeGC(dpy, dc.gc, GCForeground, &gcv);

70 XmbDrawString(dpy, dc.drawable, dc.font.set, dc.gc, x, y, buf, len);

71 }

72 else {

73 gcv.font = dc.font.xfont->fid;

74 XChangeGC(dpy, dc.gc, GCForeground | GCFont, &gcv);

75 XDrawString(dpy, dc.drawable, dc.gc, x, y, buf, len);

76 }

77 x = (h + 2) / 4;

78 if(filledsquare) {

79 r.x = dc.x + 1;

80 r.y = dc.y + 1;

81 r.width = r.height = x + 1;

82 XFillRectangles(dpy, dc.drawable, dc.gc, &r, 1);

83 }

84 else if(emptysquare) {

85 pt[0].x = dc.x + 1;

86 pt[0].y = dc.y + 1;

87 pt[1].x = x;

88 pt[1].y = 0;

89 pt[2].x = 0;

90 pt[2].y = x;

91 pt[3].x = -x;

92 pt[3].y = 0;

93 pt[4].x = 0;

94 pt[4].y = -x;

95 XDrawLines(dpy, dc.drawable, dc.gc, pt, 5, CoordModePrevious);

96 }

97 }

99 /* extern */

100

101 void

102 drawall(void) {

103 Client *c;

104

105 for(c = clients; c; c = getnext(c->next))

106 drawtitle(c);

107 drawstatus();

108 }

109

110 void

111 drawstatus(void) {

112 int i, x;

113

114 dc.x = dc.y = 0;

115 for(i = 0; i < ntags; i++) {

116 dc.w = textw(tags[i]);

117 if(seltag[i])

118 drawtext(tags[i], dc.sel, sel && sel->tags[i], isoccupied(i));

119 else

120 drawtext(tags[i], dc.norm, sel && sel->tags[i], isoccupied(i));

121 dc.x += dc.w;

122 }

123 dc.w = bmw;

124 drawtext(arrange == dofloat ? FLOATSYMBOL : TILESYMBOL, dc.status, False, False);

125 x = dc.x + dc.w;

126 dc.w = textw(stext);

127 dc.x = bw - dc.w;

128 if(dc.x < x) {

129 dc.x = x;

130 dc.w = bw - x;

131 }

132 drawtext(stext, dc.status, False, False);

133 if((dc.w = dc.x - x) > bh) {

134 dc.x = x;

135 drawtext(sel ? sel->name : NULL, sel ? dc.sel : dc.norm, False, False);

136 }

137 XCopyArea(dpy, dc.drawable, barwin, dc.gc, 0, 0, bw, bh, 0, 0);

138 XSync(dpy, False);

139 }

140

141 void

142 drawtitle(Client *c) {

143 if(c == sel && issel) {

144 drawstatus();

145 XUnmapWindow(dpy, c->twin);

146 XSetWindowBorder(dpy, c->win, dc.sel[ColBG]);

147 return;

148 }

149 XSetWindowBorder(dpy, c->win, dc.norm[ColBG]);

150 XMapWindow(dpy, c->twin);

151 dc.x = dc.y = 0;

152 dc.w = c->tw;

153 drawtext(c->name, dc.norm, False,False);

154 XCopyArea(dpy, dc.drawable, c->twin, dc.gc, 0, 0, c->tw, c->th, 0, 0);

155 XSync(dpy, False);

156 }

157

158 unsigned long

159 getcolor(const char *colstr) {

160 Colormap cmap = DefaultColormap(dpy, screen);

161 XColor color;

162

163 if(!XAllocNamedColor(dpy, cmap, colstr, &color, &color))

164 eprint("error, cannot allocate color '%s'\n", colstr);

165 return color.pixel;

166 }

167

168 void

169 setfont(const char *fontstr) {

170 char **missing, *def;

171 int i, n;

172

173 missing = NULL;

174 setlocale(LC_ALL, "");

175 if(dc.font.set)

176 XFreeFontSet(dpy, dc.font.set);

177 dc.font.set = XCreateFontSet(dpy, fontstr, &missing, &n, &def);

178 if(missing) {

179 while(n--)

180 fprintf(stderr, "missing fontset: %s\n", missing[n]);

181 XFreeStringList(missing);

182 if(dc.font.set) {

183 XFreeFontSet(dpy, dc.font.set);

184 dc.font.set = NULL;

185 }

186 }

187 if(dc.font.set) {

188 XFontSetExtents *font_extents;

189 XFontStruct **xfonts;

190 char **font_names;

191 dc.font.ascent = dc.font.descent = 0;

192 font_extents = XExtentsOfFontSet(dc.font.set);

193 n = XFontsOfFontSet(dc.font.set, &xfonts, &font_names);

194 for(i = 0, dc.font.ascent = 0, dc.font.descent = 0; i < n; i++) {

195 if(dc.font.ascent < (*xfonts)->ascent)

196 dc.font.ascent = (*xfonts)->ascent;

197 if(dc.font.descent < (*xfonts)->descent)

198 dc.font.descent = (*xfonts)->descent;

199 xfonts++;

200 }

201 }

202 else {

203 if(dc.font.xfont)

204 XFreeFont(dpy, dc.font.xfont);

205 dc.font.xfont = NULL;

206 dc.font.xfont = XLoadQueryFont(dpy, fontstr);

207 if (!dc.font.xfont)

208 dc.font.xfont = XLoadQueryFont(dpy, "fixed");

209 if (!dc.font.xfont)

210 eprint("error, cannot init 'fixed' font\n");

211 dc.font.ascent = dc.font.xfont->ascent;

212 dc.font.descent = dc.font.xfont->descent;

213 }

214 dc.font.height = dc.font.ascent + dc.font.descent;

215 }

216

217 unsigned int

218 textw(const char *text) {

219 return textnw(text, strlen(text)) + dc.font.height;

220 }