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diff --git a/config.mk b/config.mk
index b469a2b..bdd8c9f 100644
--- a/config.mk
+++ b/config.mk
@@ -23,7 +23,7 @@ FREETYPEINC = /usr/include/freetype2
# includes and libs
INCS = -I${X11INC} -I${FREETYPEINC}
-LIBS = -L${X11LIB} -lX11 ${XINERAMALIBS} ${FREETYPELIBS}
+LIBS = -L${X11LIB} -lX11 ${XINERAMALIBS} ${FREETYPELIBS} -lImlib2 -lXrender -lm
# flags
CPPFLAGS = -D_DEFAULT_SOURCE -D_BSD_SOURCE -D_XOPEN_SOURCE=700L -DVERSION=\"${VERSION}\" ${XINERAMAFLAGS}
diff --git a/dwm.c b/dwm.c
index 4f345ee..7b238ed 100644
--- a/dwm.c
+++ b/dwm.c
@@ -43,6 +43,12 @@
#include "drw.h"
#include "util.h"
+/* Wallpaper stuff */
+#include <X11/extensions/Xrender.h>
+#include <Imlib2.h>
+#include <time.h>
+#include <math.h>
+
/* macros */
#define BUTTONMASK (ButtonPressMask|ButtonReleaseMask)
@@ -232,6 +238,8 @@ static int xerror(Display *dpy, XErrorEvent *ee);
static int xerrordummy(Display *dpy, XErrorEvent *ee);
static int xerrorstart(Display *dpy, XErrorEvent *ee);
static void zoom(const Arg *arg);
+static void nw_key(const Arg *arg);
+
/* variables */
static const char broken[] = "broken";
@@ -1378,6 +1386,90 @@ restack(Monitor *m)
while (XCheckMaskEvent(dpy, EnterWindowMask, &ev));
}
+static Pixmap current_pm = 0;
+
+static void
+load_wallpaper(Display *dpy, Window root, Pixmap *pm, const char *path)
+{
+ Screen *screen = DefaultScreenOfDisplay(dpy);
+ int sw = screen->width;
+ int sh = screen->height;
+ Visual *vis = DefaultVisual(dpy, DefaultScreen(dpy));
+ Colormap cmap = DefaultColormap(dpy, DefaultScreen(dpy));
+ int depth = DefaultDepth(dpy, DefaultScreen(dpy));
+
+ Imlib_Image img = imlib_load_image(path);
+ if (!img)
+ return;
+
+ imlib_context_set_display(dpy);
+ imlib_context_set_visual(vis);
+ imlib_context_set_colormap(cmap);
+ imlib_context_set_image(img);
+
+ int iw = imlib_image_get_width();
+ int ih = imlib_image_get_height();
+
+#ifdef ENABLE_ASPECT_SCALE
+ double scale = fmin((double)sw / iw, (double)sh / ih);
+ int dw = iw * scale;
+ int dh = ih * scale;
+ int xoff = (sw - dw) / 2;
+ int yoff = (sh - dh) / 2;
+#else
+ int dw = sw;
+ int dh = sh;
+ int xoff = 0;
+ int yoff = 0;
+#endif
+
+ *pm = XCreatePixmap(dpy, root, sw, sh, depth);
+ Pixmap img_pm = XCreatePixmap(dpy, root, dw, dh, depth);
+ imlib_context_set_drawable(img_pm);
+ imlib_render_image_on_drawable_at_size(0, 0, dw, dh);
+
+ XSetWindowBackgroundPixmap(dpy, root, img_pm);
+ XClearWindow(dpy, root);
+ XFlush(dpy);
+ if (current_pm)
+ XFreePixmap(dpy, current_pm);
+ current_pm = img_pm;
+ imlib_free_image();
+}
+
+static void
+next_wall(Display *dpy, Window root, const char **wals, int len)
+{
+ static int idx = -1;
+ if (len <= 0)
+ return;
+
+ idx = (idx + 1) % len;
+ load_wallpaper(dpy, root, ¤t_pm, wals[idx]);
+}
+
+static void
+set_wall(void)
+{
+ int len = sizeof(wals) / sizeof(wals[0]);
+ if (len <= 0)
+ return;
+
+ const char *s = (len > 1) ? wals[rand() % len] : wals[0];
+ load_wallpaper(dpy, root, ¤t_pm, s);
+}
+
+
+static
+void
+nw_key(const Arg *arg)
+{
+ (void) arg;
+ int len = sizeof(wals)/sizeof(wals[0]);
+ next_wall(dpy, root, wals, len);
+}
+
+
void
run(void)
{
@@ -1586,6 +1678,7 @@ setup(void)
scheme = ecalloc(LENGTH(colors), sizeof(Clr *));
for (i = 0; i < LENGTH(colors); i++)
scheme[i] = drw_scm_create(drw, colors[i], 3);
+ set_wall();
/* init bars */
updatebars();
updatestatus();
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