1 files changed, 138 insertions, 0 deletions
diff --git a/dwm-wallpaper.diff b/dwm-wallpaper.diff
new file mode 100644
index 0000000..fb2c310
--- /dev/null
+++ b/dwm-wallpaper.diff
@@ -0,0 +1,138 @@
+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, &current_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, &current_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();