X-Git-Url: https://jasonwoof.com/gitweb/?p=dwm.git;a=blobdiff_plain;f=dwm.c;h=293f9cfb2f5c8de60ba621450388c7e064324395;hp=d0239f4671604db38291b09211fc2c9fe627681c;hb=02a8ca95cf22d9b1da50dffffefa31fb563c3852;hpb=0ffa6d13939443a84a732f111d483c233b529bbf

diff --git a/dwm.c b/dwm.c
index d0239f4..293f9cf 100644
--- a/dwm.c
+++ b/dwm.c
@@ -24,7 +24,6 @@
  * To understand everything else, start reading main().
  */
 #include <errno.h>
-#include <locale.h>
 #include <stdarg.h>
 #include <stdio.h>
 #include <stdlib.h>
@@ -202,8 +201,10 @@ static void zoom(const Arg *arg);
 
 /* variables */
 static char stext[256];
-static int screen, sx, sy, sw, sh;
-static int by, bh, blw, wx, wy, ww, wh;
+static int screen;
+static int sx, sy, sw, sh; /* X display screen geometry x, y, width, height */ 
+static int by, bh, blw;    /* bar geometry y, height and layout symbol width */
+static int wx, wy, ww, wh; /* window area geometry x, y, width, height, bar excluded */
 static unsigned int seltags = 0, sellt = 0;
 static int (*xerrorxlib)(Display *, XErrorEvent *);
 static unsigned int numlockmask = 0;
@@ -567,24 +568,23 @@ drawsquare(Bool filled, Bool empty, Bool invert, unsigned long col[ColLast]) {
 
 void
 drawtext(const char *text, unsigned long col[ColLast], Bool invert) {
+	char buf[256];
 	int i, x, y, h, len, olen;
 	XRectangle r = { dc.x, dc.y, dc.w, dc.h };
-	char buf[256];
 
 	XSetForeground(dpy, dc.gc, col[invert ? ColFG : ColBG]);
 	XFillRectangles(dpy, dc.drawable, dc.gc, &r, 1);
 	if(!text)
 		return;
 	olen = strlen(text);
-	len = MIN(olen, sizeof buf);
-	memcpy(buf, text, len);
 	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 */
-	for(; len && (i = textnw(buf, len)) > dc.w - h; len--);
+	for(len = MIN(olen, sizeof buf); len && textnw(buf, len) > dc.w - h; len--);
 	if(!len)
 		return;
+	memcpy(buf, text, len);
 	if(len < olen)
 		for(i = len; i && i > len - 3; buf[--i] = '.');
 	XSetForeground(dpy, dc.gc, col[invert ? ColBG : ColFG]);
@@ -865,8 +865,7 @@ killclient(const Arg *arg) {
 void
 manage(Window w, XWindowAttributes *wa) {
 	Client *c, *t = NULL;
-	Status rettrans;
-	Window trans;
+	Window trans = None;
 	XWindowChanges wc;
 
 	if(!(c = calloc(1, sizeof(Client))))
@@ -903,14 +902,14 @@ manage(Window w, XWindowAttributes *wa) {
 	XSelectInput(dpy, w, EnterWindowMask|FocusChangeMask|PropertyChangeMask|StructureNotifyMask);
 	grabbuttons(c, False);
 	updatetitle(c);
-	if((rettrans = XGetTransientForHint(dpy, w, &trans)) == Success)
+	if(XGetTransientForHint(dpy, w, &trans))
 		t = getclient(trans);
 	if(t)
 		c->tags = t->tags;
 	else
 		applyrules(c);
 	if(!c->isfloating)
-		c->isfloating = (rettrans == Success) || c->isfixed;
+		c->isfloating = trans != None || c->isfixed;
 	if(c->isfloating)
 		XRaiseWindow(dpy, c->win);
 	attach(c);
@@ -962,18 +961,15 @@ movemouse(const Arg *arg) {
 	if(!(c = sel))
 		return;
 	restack();
-	ocx = nx = c->x;
-	ocy = ny = c->y;
+	ocx = c->x;
+	ocy = c->y;
 	if(XGrabPointer(dpy, root, False, MOUSEMASK, GrabModeAsync, GrabModeAsync,
 	None, cursor[CurMove], CurrentTime) != GrabSuccess)
 		return;
 	XQueryPointer(dpy, root, &dummy, &dummy, &x, &y, &di, &di, &dui);
-	for(;;) {
+	do {
 		XMaskEvent(dpy, MOUSEMASK|ExposureMask|SubstructureRedirectMask, &ev);
 		switch (ev.type) {
-		case ButtonRelease:
-			XUngrabPointer(dpy, CurrentTime);
-			return;
 		case ConfigureRequest:
 		case Expose:
 		case MapRequest:
@@ -1001,6 +997,8 @@ movemouse(const Arg *arg) {
 			break;
 		}
 	}
+	while(ev.type != ButtonRelease);
+	XUngrabPointer(dpy, CurrentTime);
 }
 
 Client *
@@ -1247,10 +1245,9 @@ run(void) {
 void
 scan(void) {
 	unsigned int i, num;
-	Window *wins, d1, d2;
+	Window d1, d2, *wins = NULL;
 	XWindowAttributes wa;
 
-	wins = NULL;
 	if(XQueryTree(dpy, root, &d1, &d2, &wins, &num)) {
 		for(i = 0; i < num; i++) {
 			if(!XGetWindowAttributes(dpy, wins[i], &wa)
@@ -1266,9 +1263,9 @@ scan(void) {
 			&& (wa.map_state == IsViewable || getstate(wins[i]) == IconicState))
 				manage(wins[i], &wa);
 		}
+		if(wins)
+			XFree(wins);
 	}
-	if(wins)
-		XFree(wins);
 }
 
 void
@@ -1640,10 +1637,10 @@ updatewmhints(Client *c) {
 
 void
 view(const Arg *arg) {
-	if(arg && (arg->ui & TAGMASK) == tagset[seltags])
+	if((arg->ui & TAGMASK) == tagset[seltags])
 		return;
 	seltags ^= 1; /* toggle sel tagset */
-	if(arg && (arg->ui & TAGMASK))
+	if(arg->ui & TAGMASK)
 		tagset[seltags] = arg->ui & TAGMASK;
 	clearurgent();
 	arrange();
@@ -1704,7 +1701,7 @@ main(int argc, char *argv[]) {
 	else if(argc != 1)
 		die("usage: dwm [-v]\n");
 
-	if(!setlocale(LC_CTYPE, "") || !XSupportsLocale())
+	if(!XSupportsLocale())
 		fprintf(stderr, "warning: no locale support\n");
 
 	if(!(dpy = XOpenDisplay(0)))