func query(X *xgbutil.XUtil) xinerama.Heads {
if X.ExtInitialized("XINERAMA") {
heads, err := xinerama.PhysicalHeads(X)
if err != nil || len(heads) == 0 {
if err == nil {
logger.Warning.Printf("Could not find any physical heads " +
"with the Xinerama extension.")
} else {
logger.Warning.Printf("Could not load physical heads via "+
"Xinerama: %s", err)
}
logger.Warning.Printf("Assuming one head with size equivalent " +
"to the root window.")
} else {
return heads
}
}
// If we're here, then something went wrong or the Xinerama extension
// isn't available. So query the root window for its geometry and use that.
rgeom := xwindow.RootGeometry(X)
return xinerama.Heads{
xrect.New(rgeom.X(), rgeom.Y(), rgeom.Width(), rgeom.Height()),
}
}
func headGeom(X *xgbutil.XUtil) xrect.Rect {
if X.ExtInitialized("XINERAMA") {
heads, err := xinerama.PhysicalHeads(X)
if err == nil {
return heads[0]
}
}
geom, err := xwindow.New(X, X.RootWin()).Geometry()
fatal(err)
return geom
}
func main() {
X, _ := xgbutil.NewConn()
heads, err := xinerama.PhysicalHeads(X)
if err != nil {
fmt.Printf("ERROR: %v\n", err)
}
// Test intersection
r1 := xrect.New(0, 0, 100, 100)
r2 := xrect.New(100, 100, 100, 100)
fmt.Println(xrect.IntersectArea(r1, r2))
// Test largest overlap
window := xrect.New(1800, 0, 300, 200)
fmt.Println(xrect.LargestOverlap(window, heads))
// Test ApplyStrut
rgeom, _ := xwindow.RawGeometry(X, xproto.Drawable(X.RootWin()))
fmt.Println("---------------------------")
for i, head := range heads {
fmt.Printf("%d - %v\n", i, head)
}
// Let's actually apply struts to the current environment
clients, _ := ewmh.ClientListGet(X)
for _, client := range clients {
strut, err := ewmh.WmStrutPartialGet(X, client)
if err == nil {
xrect.ApplyStrut(heads, rgeom.Width(), rgeom.Height(),
strut.Left, strut.Right, strut.Top, strut.Bottom,
strut.LeftStartY, strut.LeftEndY,
strut.RightStartY, strut.RightEndY,
strut.TopStartX, strut.TopEndX,
strut.BottomStartX, strut.BottomEndX)
}
}
fmt.Println("---------------------------")
fmt.Println("After applying struts...")
for i, head := range heads {
fmt.Printf("%d - %v\n", i, head)
}
}
func main() {
X, _ := xgbutil.NewConn()
heads, err := xinerama.PhysicalHeads(X)
if err != nil {
fmt.Printf("ERROR: %v\n", err)
} else {
for i, head := range heads {
fmt.Printf("%d - %v\n", i, head)
}
}
wmName, err := ewmh.GetEwmhWM(X)
if err != nil {
fmt.Printf("ERROR: %v\n", err)
} else {
fmt.Printf("Window manager: %s\n", wmName)
}
}
func getViewport() (geom string) {
// new X server connection
X, err := xgbutil.NewConn()
if err != nil {
log.Error(err)
}
// get root window
root := xwindow.New(X, X.RootWin())
// geometry of the root window
rgeom, err := root.Geometry()
if err != nil {
log.Error(err)
}
// Get the rectangles for each of the active physical heads.
// These are returned sorted in order from left to right and then top
// to bottom.
// But first check if Xinerama is enabled. If not, use root geometry.
var heads xinerama.Heads
if X.ExtInitialized("XINERAMA") {
heads, err = xinerama.PhysicalHeads(X)
if err != nil {
log.Error(err)
}
} else {
heads = xinerama.Heads{rgeom}
}
// looking for the first screen, position X: 0, Y: 0
for _, head := range heads {
if head.X() == 0 && head.Y() == 0 {
screenWidth = head.Width()
screenHeight = head.Height()
}
}
geom = fmt.Sprintf("%dx%d", screenWidth-165, screenHeight-165)
return geom
}
func main() {
cfg := Config{}
X, err := xgbutil.NewConn()
utils.FailMeMaybe(err)
heads, err := xinerama.PhysicalHeads(X)
utils.FailMeMaybe(err)
cfg.Width = heads[0].Width()
cfg.ClockPos = (cfg.Width / 2) - 100
cfg.CommandWidth = (cfg.Width / 2) - 124
cfg.StatusPos = (cfg.Width / 2) + 100
// Look for ze fonts!
cfg.ClockFont = "Put your font here!"
cfg.CommandFont = cfg.ClockFont
found := false
for _, fontDir := range []string{"/usr/share/fonts/dejavu/", "/usr/share/fonts/TTF/"} {
if exists(fontDir+"DejaVuSansMono-Bold.ttf") && exists(fontDir+"DejaVuSansMono.ttf") {
cfg.ClockFont = fontDir + "DejaVuSansMono-Bold.ttf"
cfg.CommandFont = fontDir + "DejaVuSansMono.ttf"
found = true
break
}
}
if !found {
fmt.Fprintln(os.Stderr, "# We could not locate your fonts directory, please edit the config\n")
fmt.Fprintln(os.Stderr, "# Accordingly.\n")
}
templ.Execute(os.Stdout, cfg)
}
func main() {
// Connect to the X server using the DISPLAY environment variable.
X, err := xgbutil.NewConn()
if err != nil {
log.Fatal(err)
}
// Wrap the root window in a nice Window type.
root := xwindow.New(X, X.RootWin())
// Get the geometry of the root window.
rgeom, err := root.Geometry()
if err != nil {
log.Fatal(err)
}
// Get the rectangles for each of the active physical heads.
// These are returned sorted in order from left to right and then top
// to bottom.
// But first check if Xinerama is enabled. If not, use root geometry.
var heads xinerama.Heads
if X.ExtInitialized("XINERAMA") {
heads, err = xinerama.PhysicalHeads(X)
if err != nil {
log.Fatal(err)
}
} else {
heads = xinerama.Heads{rgeom}
}
// Fetch the list of top-level client window ids currently managed
// by the running window manager.
clients, err := ewmh.ClientListGet(X)
if err != nil {
log.Fatal(err)
}
// Output the head geometry before modifying them.
fmt.Println("Workarea for each head:")
for i, head := range heads {
fmt.Printf("\tHead #%d: %s\n", i+1, head)
}
// For each client, check to see if it has struts, and if so, apply
// them to our list of head rectangles.
for _, clientid := range clients {
strut, err := ewmh.WmStrutPartialGet(X, clientid)
if err != nil { // no struts for this client
continue
}
// Apply the struts to our heads.
// This modifies 'heads' in place.
xrect.ApplyStrut(heads, uint(rgeom.Width()), uint(rgeom.Height()),
strut.Left, strut.Right, strut.Top, strut.Bottom,
strut.LeftStartY, strut.LeftEndY,
strut.RightStartY, strut.RightEndY,
strut.TopStartX, strut.TopEndX,
strut.BottomStartX, strut.BottomEndX)
}
// Now output the head geometry again after modification.
fmt.Println("Workarea for each head after applying struts:")
for i, head := range heads {
fmt.Printf("\tHead #%d: %s\n", i+1, head)
}
}