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-rw-r--r--draw.c137
1 files changed, 137 insertions, 0 deletions
diff --git a/draw.c b/draw.c
new file mode 100644
index 0000000..25b08c6
--- /dev/null
+++ b/draw.c
@@ -0,0 +1,137 @@
+/* (C)opyright MMVI-MMVII Anselm R. Garbe <garbeam at gmail dot com>
+ * See LICENSE file for license details.
+ */
+#include "dwm.h"
+#include <string.h>
+
+/* static */
+
+static unsigned int
+textnw(const char *text, unsigned int len) {
+ XRectangle r;
+
+ if(dc.font.set) {
+ XmbTextExtents(dc.font.set, text, len, NULL, &r);
+ return r.width;
+ }
+ return XTextWidth(dc.font.xfont, text, len);
+}
+
+static void
+drawsquare(Bool filled, Bool empty, unsigned long col[ColLast]) {
+ int x;
+ XGCValues gcv;
+ XRectangle r = { dc.x, dc.y, dc.w, dc.h };
+
+ gcv.foreground = col[ColFG];
+ XChangeGC(dpy, dc.gc, GCForeground, &gcv);
+ x = (dc.font.ascent + dc.font.descent + 2) / 4;
+ r.x = dc.x + 1;
+ r.y = dc.y + 1;
+ if(filled) {
+ r.width = r.height = x + 1;
+ XFillRectangles(dpy, dc.drawable, dc.gc, &r, 1);
+ }
+ else if(empty) {
+ r.width = r.height = x;
+ XDrawRectangles(dpy, dc.drawable, dc.gc, &r, 1);
+ }
+}
+
+static Bool
+isoccupied(unsigned int t) {
+ Client *c;
+
+ for(c = clients; c; c = c->next)
+ if(c->tags[t])
+ return True;
+ return False;
+}
+
+/* extern */
+
+void
+drawstatus(void) {
+ int i, x;
+
+ dc.x = dc.y = 0;
+ for(i = 0; i < ntags; i++) {
+ dc.w = textw(tags[i]);
+ if(seltag[i]) {
+ drawtext(tags[i], dc.sel);
+ drawsquare(sel && sel->tags[i], isoccupied(i), dc.sel);
+ }
+ else {
+ drawtext(tags[i], dc.norm);
+ drawsquare(sel && sel->tags[i], isoccupied(i), dc.norm);
+ }
+ dc.x += dc.w;
+ }
+ dc.w = blw;
+ drawtext(lt->symbol, dc.norm);
+ x = dc.x + dc.w;
+ dc.w = textw(stext);
+ dc.x = sw - dc.w;
+ if(dc.x < x) {
+ dc.x = x;
+ dc.w = sw - x;
+ }
+ drawtext(stext, dc.norm);
+ if((dc.w = dc.x - x) > bh) {
+ dc.x = x;
+ drawtext(sel ? sel->name : NULL, sel ? dc.sel : dc.norm);
+ }
+ XCopyArea(dpy, dc.drawable, barwin, dc.gc, 0, 0, sw, bh, 0, 0);
+ XSync(dpy, False);
+}
+
+void
+drawtext(const char *text, unsigned long col[ColLast]) {
+ int x, y, w, h;
+ static char buf[256];
+ unsigned int len, olen;
+ XGCValues gcv;
+ XRectangle r = { dc.x, dc.y, dc.w, dc.h };
+
+ XSetForeground(dpy, dc.gc, col[ColBG]);
+ XFillRectangles(dpy, dc.drawable, dc.gc, &r, 1);
+ if(!text)
+ return;
+ w = 0;
+ olen = len = strlen(text);
+ if(len >= sizeof buf)
+ len = sizeof buf - 1;
+ memcpy(buf, text, len);
+ buf[len] = 0;
+ h = dc.font.ascent + dc.font.descent;
+ y = dc.y + (dc.h / 2) - (h / 2) + dc.font.ascent;
+ x = dc.x + (h / 2);
+ /* shorten text if necessary */
+ while(len && (w = textnw(buf, len)) > dc.w - h)
+ buf[--len] = 0;
+ if(len < olen) {
+ if(len > 1)
+ buf[len - 1] = '.';
+ if(len > 2)
+ buf[len - 2] = '.';
+ if(len > 3)
+ buf[len - 3] = '.';
+ }
+ if(w > dc.w)
+ return; /* too long */
+ gcv.foreground = col[ColFG];
+ if(dc.font.set) {
+ XChangeGC(dpy, dc.gc, GCForeground, &gcv);
+ XmbDrawString(dpy, dc.drawable, dc.font.set, dc.gc, x, y, buf, len);
+ }
+ else {
+ gcv.font = dc.font.xfont->fid;
+ XChangeGC(dpy, dc.gc, GCForeground | GCFont, &gcv);
+ XDrawString(dpy, dc.drawable, dc.gc, x, y, buf, len);
+ }
+}
+
+unsigned int
+textw(const char *text) {
+ return textnw(text, strlen(text)) + dc.font.height;
+}