make it easier for the user, if Xinerama support is given, always use the screen...

[dwm.git] / dwm.c

diff --git a/dwm.c b/dwm.c
index f3254ae..4a8c2a9 100644 (file)
--- a/dwm.c
+++ b/dwm.c
@@ -39,20 +39,24 @@
 #include <X11/Xlib.h>
 #include <X11/Xproto.h>
 #include <X11/Xutil.h>
+#ifdef XINERAMA
+#include <X11/extensions/Xinerama.h>
+#endif
 
 /* macros */
-#define MAX(a, b)      ((a) > (b) ? (a) : (b))
-#define MIN(a, b)      ((a) < (b) ? (a) : (b))
-#define BUTTONMASK     (ButtonPressMask|ButtonReleaseMask)
-#define CLEANMASK(mask)        (mask & ~(numlockmask|LockMask))
-#define LENGTH(x)      (sizeof x / sizeof x[0])
-#define MAXTAGLEN      16
-#define MOUSEMASK      (BUTTONMASK|PointerMotionMask)
+#define MAX(a, b)       ((a) > (b) ? (a) : (b))
+#define MIN(a, b)       ((a) < (b) ? (a) : (b))
+#define BUTTONMASK      (ButtonPressMask|ButtonReleaseMask)
+#define CLEANMASK(mask) (mask & ~(numlockmask|LockMask))
+#define LENGTH(x)       (sizeof x / sizeof x[0])
+#define MAXTAGLEN       16
+#define MOUSEMASK       (BUTTONMASK|PointerMotionMask)
 
 /* enums */
-enum { CurNormal, CurResize, CurMove, CurLast };       /* cursor */
-enum { ColBorder, ColFG, ColBG, ColLast };             /* color */
-enum { NetSupported, NetWMName, NetLast };             /* EWMH atoms */
+enum { BarTop, BarBot, BarOff, BarLast };               /* bar appearance */
+enum { CurNormal, CurResize, CurMove, CurLast };        /* cursor */
+enum { ColBorder, ColFG, ColBG, ColLast };              /* color */
+enum { NetSupported, NetWMName, NetLast };              /* EWMH atoms */
 enum { WMProtocols, WMDelete, WMName, WMState, WMLast };/* default atoms */
 
 /* typedefs */
@@ -166,6 +170,7 @@ void spawn(const char *arg);
 void tag(const char *arg);
 unsigned int textnw(const char *text, unsigned int len);
 unsigned int textw(const char *text);
+void togglebar(const char *arg);
 void togglefloating(const char *arg);
 void togglelayout(const char *arg);
 void toggletag(const char *arg);
@@ -179,7 +184,7 @@ void updatesizehints(Client *c);
 void updatetitle(Client *c);
 void updatewmhints(Client *c);
 void view(const char *arg);
-void viewprevtag(const char *arg);     /* views previous selected tags */
+void viewprevtag(const char *arg);
 int xerror(Display *dpy, XErrorEvent *ee);
 int xerrordummy(Display *dpy, XErrorEvent *ee);
 int xerrorstart(Display *dpy, XErrorEvent *ee);
@@ -188,9 +193,9 @@ void zoom(const char *arg);
 /* variables */
 char stext[256];
 int screen, sx, sy, sw, sh;
-int (*xerrorxlib)(Display *, XErrorEvent *);
 int bx, by, bw, bh, blw, wx, wy, ww, wh;
 int seltags = 0;
+int (*xerrorxlib)(Display *, XErrorEvent *);
 unsigned int numlockmask = 0;
 void (*handler[LASTEvent]) (XEvent *) = {
        [ButtonPress] = buttonpress,
@@ -336,8 +341,6 @@ buttonpress(XEvent *e) {
                else if(ev->button == Button2) {
                        if(lt->arrange && c->isfloating)
                                togglefloating(NULL);
-                       else
-                               zoom(NULL);
                }
                else if(ev->button == Button3 && !c->isfixed) {
                        restack();
@@ -961,7 +964,7 @@ manage(Window w, XWindowAttributes *wa) {
                        c->y = wy + wh - c->h - 2 * c->bw;
                c->x = MAX(c->x, wx);
                c->y = MAX(c->y, wy);
-               c->bw = BORDERPX;
+               c->bw = borderpx;
        }
 
        wc.border_width = c->bw;
@@ -1039,16 +1042,19 @@ movemouse(Client *c) {
                        XSync(dpy, False);
                        nx = ocx + (ev.xmotion.x - x1);
                        ny = ocy + (ev.xmotion.y - y1);
-                       if(abs(wx - nx) < SNAP)
-                               nx = wx;
-                       else if(abs((wx + ww) - (nx + c->w + 2 * c->bw)) < SNAP)
-                               nx = wx + ww - c->w - 2 * c->bw;
-                       if(abs(wy - ny) < SNAP)
-                               ny = wy;
-                       else if(abs((wy + wh) - (ny + c->h + 2 * c->bw)) < SNAP)
-                               ny = wy + wh - c->h - 2 * c->bw;
-                       if(!c->isfloating && lt->arrange && (abs(nx - c->x) > SNAP || abs(ny - c->y) > SNAP))
-                               togglefloating(NULL);
+                       if(snap && nx >= wx && nx <= wx + ww
+                               && ny >= wy && ny <= wy + wh) {
+                               if(abs(wx - nx) < snap)
+                                       nx = wx;
+                               else if(abs((wx + ww) - (nx + c->w + 2 * c->bw)) < snap)
+                                       nx = wx + ww - c->w - 2 * c->bw;
+                               if(abs(wy - ny) < snap)
+                                       ny = wy;
+                               else if(abs((wy + wh) - (ny + c->h + 2 * c->bw)) < snap)
+                                       ny = wy + wh - c->h - 2 * c->bw;
+                               if(!c->isfloating && lt->arrange && (abs(nx - c->x) > snap || abs(ny - c->y) > snap))
+                                       togglefloating(NULL);
+                       }
                        if(!lt->arrange || c->isfloating)
                                resize(c, nx, ny, c->w, c->h, False);
                        break;
@@ -1193,8 +1199,12 @@ resizemouse(Client *c) {
                        XSync(dpy, False);
                        nw = MAX(ev.xmotion.x - ocx - 2 * c->bw + 1, 1);
                        nh = MAX(ev.xmotion.y - ocy - 2 * c->bw + 1, 1);
-                       if(!c->isfloating && lt->arrange && (abs(nw - c->w) > SNAP || abs(nh - c->h) > SNAP)) {
-                               togglefloating(NULL);
+
+                       if(snap && nw >= wx && nw <= wx + ww
+                               && nh >= wy && nh <= wy + wh) {
+                               if(!c->isfloating && lt->arrange
+                                  && (abs(nw - c->w) > snap || abs(nh - c->h) > snap))
+                                       togglefloating(NULL);
                        }
                        if(!lt->arrange || c->isfloating)
                                resize(c, c->x, c->y, nw, nh, True);
@@ -1457,6 +1467,14 @@ textw(const char *text) {
 }
 
 void
+togglebar(const char *arg) {
+       showbar = !showbar;
+       updategeom();
+       updatebar();
+       arrange();
+}
+
+void
 togglefloating(const char *arg) {
        if(!sel)
                return;
@@ -1564,18 +1582,32 @@ updatebar(void) {
 
 void
 updategeom(void) {
-       unsigned int i;
-
-       /* bar geometry */
-       bx = 0;
-       by = 0;
-       bw = sw;
+       int i;
+#ifdef XINERAMA
+       XineramaScreenInfo *info = NULL;
 
        /* window area geometry */
-       wx = sx;
-       wy = sy + bh;
-       ww = sw;
-       wh = sh - bh;
+       if(XineramaIsActive(dpy)) {
+               info = XineramaQueryScreens(dpy, &i);
+               wx = info[0].x_org;
+               wy = showbar && topbar ? info[0].y_org + info[0].height + bh : info[0].y_org;
+               ww = info[0].width;
+               wh = showbar ? info[0].height - bh : info[0].height;
+               XFree(info);
+       }
+       else
+#endif
+       {
+               wx = sx;
+               wy = showbar && topbar ? sy + bh : sy;
+               ww = sw;
+               wh = showbar ? sh - bh : sh;
+       }
+
+       /* bar geometry*/
+       bx = wx;
+       by = showbar ? (topbar ? 0 : wy + wh) : -bh;
+       bw = ww;
 
        /* update layout geometries */
        for(i = 0; i < LENGTH(layouts); i++)