// find the EWHM window under the mouse cursor
func FindManagedWindowUnderMouse(X *xgbutil.XUtil) (xproto.Window, error) {
// construct a hashset of the managed windows
clients, err := ewmh.ClientListGet(X)
if err != nil {
return 0, fmt.Errorf("FindUnderMouse: could not retrieve EWHM client list: %v", err)
}
managed := make(map[xproto.Window]bool, len(clients))
for _, win := range clients {
managed[win] = true
}
cur_window := X.RootWin()
// descend the QueryTree to the first child that is a EWMH managed window
for {
// return the parent if it is an EWHM window
if _, ok := managed[cur_window]; ok {
return cur_window, nil
}
cur_window, _, err = FindNextUnderMouse(X, cur_window)
if err != nil {
break
}
}
// we didn't find the window :(
return 0, errors.New("FindUnderMouse: no EWMH window found under mouse")
}
//GetClients get windows list
func GetClients() []Client {
clients := []Client{}
var err error
X, err = xgbutil.NewConn()
if err != nil {
log.Fatal(err)
}
wids, err := ewmh.ClientListGet(X)
if err != nil {
log.Fatal(err)
}
a, _ := ewmh.ActiveWindowGet(X)
for _, wid := range wids {
name, err := ewmh.WmNameGet(X, wid)
if name == "Shadow" {
SHADOW = wid
continue
}
if err != nil { // not a fatal error
log.Println(err)
name = ""
}
desk, _ := ewmh.WmDesktopGet(X, wid)
class, _ := icccm.WmClassGet(X, wid)
clients = append(clients, Client{
wid, name, desk, wid == a, class.Class,
})
}
return clients
}
func (r *Region) getDockWindow() (xproto.Window, error) {
windows, _ := ewmh.ClientListGet(XU)
for _, xid := range windows {
res, err := icccm.WmClassGet(XU, xid)
if err == nil && res.Instance == "dde-dock" {
return xid, nil
}
}
return 0, errors.New("find dock window failed, it's not existed.")
}
func (self *SessionModule) GetAllWindows() ([]SessionWindow, error) {
clients, _ := ewmh.ClientListGet(self.X)
// allocate window objects
windows := make([]SessionWindow, len(clients))
// for each window...
for i, id := range clients {
windows[i], _ = self.GetWindow(strconv.Itoa(int(id)))
}
return windows, nil
}
func walkClientList(pre func(xproto.Window) bool) bool {
list, err := ewmh.ClientListGet(XU)
if err != nil {
logger.Warning("Can't get _NET_CLIENT_LIST", err)
return false
}
for _, c := range list {
if pre(c) {
return true
}
}
return false
}
func (rs RunningSource) GetMatches(inp string, ct *CommandTray) []Command {
cmds := make([]Command, 0)
if ct.X == nil {
return []Command{}
}
clis, err := ewmh.ClientListGet(ct.X)
if err != nil {
return cmds
}
for _, xwin := range clis {
dt, err := ewmh.CurrentDesktopGet(ct.X)
if err != nil {
dt = 0xFFFFFFFF
}
wdt, err := ewmh.WmDesktopGet(ct.X, xwin)
if err != nil {
wdt = dt
}
if dt != wdt {
continue
}
name, err := xprop.PropValStr(xprop.GetProperty(ct.X, xwin, "_NET_WM_NAME"))
if err != nil {
//print("Err1: ", err.Error(), "\n")
name, err = xprop.PropValStr(xprop.GetProperty(ct.X, xwin, "WM_NAME"))
if err != nil {
//print("Err2: ", err.Error(), "\n")
name = "Unnamed Window"
}
}
if strings.Contains(strings.ToLower(name), inp) {
cmds = append(cmds, RunningCommand{X: ct.X, win: xwin, name: name})
}
}
return cmds
}
func main() {
X, err := xgbutil.NewConn()
if err != nil {
log.Fatal(err)
}
// Get the list of window ids managed by the window manager.
clients, err := ewmh.ClientListGet(X)
if err != nil {
log.Fatal(err)
}
// For each client, try to find its icon. If we find one, blend it with
// a nice background color and show it in its own window.
// Otherwise, skip it.
for _, wid := range clients {
// FindIcon will find an icon closest to the size specified.
// If one can't be found, the resulting image will be scaled
// automatically.
// To avoid scaling the icon, specify '0' for both the width and height.
// In this case, the largest icon found will be returned.
xicon, err := xgraphics.FindIcon(X, wid, iconWidth, iconHeight)
if err != nil {
log.Printf("Could not find icon for window %d.", wid)
continue
}
// Get the name of this client. (It will be set as the icon window's
// name.)
name, err := ewmh.WmNameGet(X, wid)
if err != nil { // not a fatal error
log.Println(err)
name = ""
}
// Blend a pink background color so its easy to see that alpha blending
// works.
xgraphics.BlendBgColor(xicon, color.RGBA{0xff, 0x0, 0xff, 0xff})
xicon.XShowExtra(name, false)
}
// All we really need to do is block, so a 'select{}' would be sufficient.
// But running the event loop will emit errors if anything went wrong.
xevent.Main(X)
}
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() {
// Connect to the X server using the DISPLAY environment variable.
X, err := xgbutil.NewConn()
if err != nil {
log.Fatal(err)
}
// Get a list of all client ids.
clientids, err := ewmh.ClientListGet(X)
if err != nil {
log.Fatal(err)
}
// Iterate through each client, find its name and find its size.
for _, clientid := range clientids {
name, err := ewmh.WmNameGet(X, clientid)
// If there was a problem getting _NET_WM_NAME or if its empty,
// try the old-school version.
if err != nil || len(name) == 0 {
name, err = icccm.WmNameGet(X, clientid)
// If we still can't find anything, give up.
if err != nil || len(name) == 0 {
name = "N/A"
}
}
// Now find the geometry, including decorations, of the client window.
// Note that DecorGeometry actually traverses the window tree by
// issuing QueryTree requests until a top-level window (i.e., its
// parent is the root window) is found. The geometry of *that* window
// is then returned.
dgeom, err := xwindow.New(X, clientid).DecorGeometry()
if err != nil {
log.Printf("Could not get geometry for %s (0x%X) because: %s",
name, clientid, err)
continue
}
fmt.Printf("%s (0x%x)\n", name, clientid)
fmt.Printf("\tGeometry: %s\n", dgeom)
}
}
func main() {
var err error
X, err = xgbutil.NewConn()
if err != nil {
log.Fatal(err)
}
clientids, err := ewmh.ClientListGet(X)
if err != nil {
log.Fatal(err)
}
for _, clientid := range clientids {
name, err := ewmh.WmNameGet(X, clientid)
if err != nil {
continue
}
if name == "Super Hexagon" {
HexWindow = xwindow.New(X, clientid)
break
}
}
if HexWindow == nil {
log.Fatal("Couldn't find Super Hexagon window.")
}
//Create a window
DisplayWindow, err = xwindow.Generate(X)
if err != nil {
log.Fatalf("Could not generate a new window X id: %s", err)
}
dgeom, _ := HexWindow.DecorGeometry()
DisplayWindow.Create(X.RootWin(), 0, 0, dgeom.Width(), dgeom.Height(), xproto.CwBackPixel, 0)
DisplayWindow.Map()
//Start the routine that updates the window
go updater()
xevent.Main(X)
}
func (m *ClientManager) listenRootWindow() {
var update = func() {
list, err := ewmh.ClientListGet(XU)
if err != nil {
logger.Warning("Can't Get _NET_CLIENT_LIST", err)
}
isLauncherShown = false
for _, xid := range list {
if !isDeepinLauncher(xid) {
continue
}
winProps, err :=
xproto.GetWindowAttributes(XU.Conn(),
xid).Reply()
if err != nil {
break
}
if winProps.MapState == xproto.MapStateViewable {
isLauncherShown = true
}
break
}
ENTRY_MANAGER.runtimeAppChanged(list)
}
xwindow.New(XU, XU.RootWin()).Listen(xproto.EventMaskPropertyChange)
xevent.PropertyNotifyFun(func(XU *xgbutil.XUtil, ev xevent.PropertyNotifyEvent) {
switch ev.Atom {
case _NET_CLIENT_LIST:
update()
case _NET_ACTIVE_WINDOW:
var err error
isLauncherShown = false
if activeWindow, err = ewmh.ActiveWindowGet(XU); err == nil {
appId := find_app_id_by_xid(activeWindow,
DisplayModeType(setting.GetDisplayMode()))
logger.Debug("current active window:", appId)
if rApp, ok := ENTRY_MANAGER.runtimeApps[appId]; ok {
logger.Debug("find runtime app")
rApp.setLeader(activeWindow)
rApp.updateState(activeWindow)
}
logger.Debug("active window is", appId)
if appId != DDELauncher {
LAUNCHER, err := launcher.NewLauncher(
"com.deepin.dde.launcher",
"/com/deepin/dde/launcher",
)
if err != nil {
logger.Debug(err)
} else {
LAUNCHER.Hide()
launcher.DestroyLauncher(LAUNCHER)
}
} else {
isLauncherShown = true
}
lastActive = appId
dbus.Emit(m, "ActiveWindowChanged", uint32(activeWindow))
}
hideMode := HideModeType(setting.GetHideMode())
if hideMode == HideModeSmartHide || hideMode == HideModeKeepHidden {
hideModemanager.UpdateState()
}
case _NET_SHOWING_DESKTOP:
dbus.Emit(m, "ShowingDesktopChanged")
case DEEPIN_SCREEN_VIEWPORT:
updateCurrentViewport()
}
}).Connect(XU, XU.RootWin())
update()
xevent.Main(XU)
}
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)
}
}
func main() {
X, Xerr = xgbutil.NewConn()
if Xerr != nil {
panic(Xerr)
}
active, _ := ewmh.ActiveWindowGet(X)
parent, _ := xwindow.ParentWindow(X, active)
actOpacity, _ := ewmh.WmWindowOpacityGet(X, parent)
fmt.Printf("Opacity for active window: %f\n", actOpacity)
showDesk, _ := ewmh.ShowingDesktopGet(X)
fmt.Printf("Showing desktop? %v\n", showDesk)
wmName, err := ewmh.GetEwmhWM(X)
if err != nil {
fmt.Printf("No conforming window manager found... :-(\n")
fmt.Println(err)
} else {
fmt.Printf("Window manager: %s\n", wmName)
}
pager := xproto.Window(0x160001e)
middle := xproto.Window(0x3200016)
geom, _ := ewmh.DesktopGeometryGet(X)
desktops, _ := ewmh.DesktopNamesGet(X)
curdesk, _ := ewmh.CurrentDesktopGet(X)
clients, _ := ewmh.ClientListGet(X)
activeName, _ := ewmh.WmNameGet(X, active)
fmt.Printf("Active window: %x\n", active)
fmt.Printf("Current desktop: %d\n", curdesk)
fmt.Printf("Client list: %v\n", clients)
fmt.Printf("Desktop geometry: (width: %d, height: %d)\n",
geom.Width, geom.Height)
fmt.Printf("Active window name: %s\n", activeName)
fmt.Printf("Desktop names: %s\n", desktops)
var desk string
if curdesk < len(desktops) {
desk = desktops[curdesk]
} else {
desk = string(curdesk)
}
fmt.Printf("Current desktop: %s\n", desk)
// fmt.Printf("\nChanging current desktop to 25 from %d\n", curdesk)
ewmh.CurrentDesktopSet(X, curdesk)
// fmt.Printf("Current desktop is now: %d\n", ewmh.CurrentDesktop(X))
fmt.Printf("Setting active win to %x\n", middle)
// ewmh.ActiveWindowReq(X, middle)
rand.Seed(int64(time.Now().Nanosecond()))
randStr := make([]byte, 20)
for i, _ := range randStr {
if rf := rand.Float32(); rf < 0.40 {
randStr[i] = byte('a' + rand.Intn('z'-'a'))
} else if rf < 0.80 {
randStr[i] = byte('A' + rand.Intn('Z'-'A'))
} else {
randStr[i] = ' '
}
}
ewmh.WmNameSet(X, active, string(randStr))
newName, _ := ewmh.WmNameGet(X, active)
fmt.Printf("New name: %s\n", newName)
// deskNames := ewmh.DesktopNamesGet(X)
// fmt.Printf("Desktop names: %s\n", deskNames)
// deskNames[len(deskNames) - 1] = "xgbutil"
// ewmh.DesktopNamesSet(X, deskNames)
// fmt.Printf("Desktop names: %s\n", ewmh.DesktopNamesGet(X))
supported, _ := ewmh.SupportedGet(X)
fmt.Printf("Supported hints: %v\n", supported)
fmt.Printf("Setting supported hints...\n")
ewmh.SupportedSet(X, []string{"_NET_CLIENT_LIST", "_NET_WM_NAME",
"_NET_WM_DESKTOP"})
numDesks, _ := ewmh.NumberOfDesktopsGet(X)
fmt.Printf("Number of desktops: %d\n", numDesks)
// ewmh.NumberOfDesktopsReq(X.EwmhNumberOfDesktops(X) + 1)
// time.Sleep(time.Second)
// fmt.Printf("Number of desktops: %d\n", ewmh.NumberOfDesktops(X))
viewports, _ := ewmh.DesktopViewportGet(X)
fmt.Printf("Viewports (%d): %v\n", len(viewports), viewports)
// viewports[2].X = 50
// viewports[2].Y = 293
// ewmh.DesktopViewportSet(X, viewports)
// time.Sleep(time.Second)
//
// viewports = ewmh.DesktopViewport(X)
// fmt.Printf("Viewports (%d): %v\n", len(viewports), viewports)
// ewmh.CurrentDesktopReq(X, 3)
visDesks, _ := ewmh.VisibleDesktopsGet(X)
workarea, _ := ewmh.WorkareaGet(X)
fmt.Printf("Visible desktops: %v\n", visDesks)
fmt.Printf("Workareas: %v\n", workarea)
// fmt.Printf("Virtual roots: %v\n", ewmh.VirtualRoots(X))
// fmt.Printf("Desktop layout: %v\n", ewmh.DesktopLayout(X))
fmt.Printf("Closing window %x\n", 0x2e004c5)
ewmh.CloseWindow(X, 0x1e00cdf)
fmt.Printf("Moving/resizing window: %x\n", 0x2e004d0)
ewmh.MoveresizeWindow(X, 0x2e004d0, 1920, 30, 500, 500)
// fmt.Printf("Trying to initiate a moveresize...\n")
// ewmh.WmMoveresize(X, 0x2e004db, xgbutil.EwmhMove)
// time.Sleep(5 * time.Second)
// ewmh.WmMoveresize(X, 0x2e004db, xgbutil.EwmhCancel)
// fmt.Printf("Stacking window %x...\n", 0x2e00509)
// ewmh.RestackWindow(X, 0x2e00509)
fmt.Printf("Requesting frame extents for active window...\n")
ewmh.RequestFrameExtents(X, active)
activeDesk, _ := ewmh.WmDesktopGet(X, active)
activeType, _ := ewmh.WmWindowTypeGet(X, active)
fmt.Printf("Active window's desktop: %d\n", activeDesk)
fmt.Printf("Active's types: %v\n", activeType)
// fmt.Printf("Pager's types: %v\n", ewmh.WmWindowType(X, 0x180001e))
// fmt.Printf("Pager's state: %v\n", ewmh.WmState(X, 0x180001e))
// ewmh.WmStateReq(X, active, xgbutil.EwmhStateToggle,
// "_NET_WM_STATE_HIDDEN")
// ewmh.WmStateReqExtra(X, active, xgbutil.EwmhStateToggle,
// "_NET_WM_STATE_MAXIMIZED_VERT",
// "_NET_WM_STATE_MAXIMIZED_HORZ", 2)
activeAllowed, _ := ewmh.WmAllowedActionsGet(X, active)
fmt.Printf("Allowed actions on active: %v\n", activeAllowed)
struts, err := ewmh.WmStrutGet(X, pager)
if err != nil {
fmt.Printf("Pager struts: %v\n", err)
} else {
fmt.Printf("Pager struts: %v\n", struts)
}
pstruts, err := ewmh.WmStrutPartialGet(X, pager)
if err != nil {
fmt.Printf("Pager struts partial: %v - %v\n", pstruts, err)
} else {
fmt.Printf("Pager struts partial: %v\n", pstruts.BottomStartX)
}
// fmt.Printf("Icon geometry for active: %v\n",
// ewmh.WmIconGeometry(X, active))
icons, _ := ewmh.WmIconGet(X, active)
fmt.Printf("Active window's (%x) icon data: (length: %v)\n",
active, len(icons))
for _, icon := range icons {
fmt.Printf("\t(%d, %d)", icon.Width, icon.Height)
fmt.Printf(" :: %d == %d\n", icon.Width*icon.Height, len(icon.Data))
}
// fmt.Printf("Now set them again...\n")
// ewmh.WmIconSet(X, active, icons[:len(icons) - 1])
}
func ManageResizingWindows(X *xgbutil.XUtil) {
var DRAG_DATA *ResizeDrag
handleDragStart := func(X *xgbutil.XUtil, rx, ry, ex, ey int) (cont bool, cursor xproto.Cursor) {
// get the clicked window
win, err := wm.FindManagedWindowUnderMouse(X)
if err != nil {
log.Printf("ResizeStart: couldn't find window under mouse: %v\n", err)
return false, 0
}
// get coordinates inside the clicked window
_, reply, err := wm.FindNextUnderMouse(X, win)
if err != nil {
log.Printf("ResizeStart: couldn't get coordinates of click inside win %v: %v\n", win, err)
return false, 0
}
// create an xwindow.Window so we can get a rectangle to find our bearings from
xwin := xwindow.New(X, win)
geom, err := xwin.DecorGeometry()
if err != nil {
log.Printf("ResizeStart: geometry error: %v\n", err)
return false, 0
}
// get what side of the rect our mouseclick was on
x, y := int(reply.WinX), int(reply.WinY)
dir := SideOfRectangle(geom, x, y)
// get coordinate part for the edge. this is either X or Y.
target_edge := EdgePos(geom, dir)
log.Printf("ResizeStart: on window %v - %v. Direction/edge: %v/%v\n", win, geom, dir, target_edge)
// find adjacent windows
adjacent := list.New()
// note that this is an intellegent request: the WM only gives us a list of visible, normal windows
// we don't have to worry about moving hidden windows or something
managed_windows, err := ewmh.ClientListGet(X)
if err != nil {
// we can safley ignore this error, because then we just fall back to resizing only this window
log.Printf("ResizeStart: error getting EWMH client list: %v\n", err)
} else {
// select managed windows
// always enough space
// TODO: don't grossly overallocate
for _, candidate_id := range managed_windows {
// no need to run calculations for ourself!
if candidate_id == win {
continue
}
cand_window := xwindow.New(X, candidate_id)
cand_geom, err := cand_window.DecorGeometry()
if err != nil {
log.Printf("ResizeStart: couldn't get geometry for ajacency candidate %v: %v\n", candidate_id, err)
continue
}
cand_edge := EdgePos(cand_geom, dir.Opposite())
if abs(cand_edge-target_edge) <= AdjacencyEpsilon {
// cool, edges are touching.
// make sure this window isn't totally above or below the candidate
// we do so by constructing a rect using the clicked window's edge
// and the candidate's orthagonal dimension
// if the rect overlaps, then this window is truly adjacent
//
// TODO: consider adding a mimumum overlap
if dir == wm.Top || dir == wm.Bottom {
// measuring X coords
if EdgePos(cand_geom, wm.Right) < EdgePos(geom, wm.Left) {
continue
}
if EdgePos(cand_geom, wm.Left) > EdgePos(geom, wm.Right) {
continue
}
} else {
if EdgePos(cand_geom, wm.Bottom) < EdgePos(geom, wm.Top) {
continue
}
if EdgePos(cand_geom, wm.Top) > EdgePos(geom, wm.Bottom) {
continue
}
}
// if a window has made it to here, it is adgacent!
// add it to the list
log.Printf("ResizeStart: will resize adjacent window: %v - %v\n", candidate_id, cand_geom)
adjacent.PushBack(cand_window)
}
}
}
// construct the drag data
data := ResizeDrag{xwin, dir, adjacent, rx, ry}
DRAG_DATA = &data
// TODO: finish this
// create an edge
// find the adjacent windows
// start the drag
return true, 0
}
handleResize := func(rx, ry int) {
delta := rx - DRAG_DATA.LastX
if DRAG_DATA.Direction == wm.Top || DRAG_DATA.Direction == wm.Bottom {
delta = ry - DRAG_DATA.LastY
}
if DRAG_DATA.Direction == wm.Left || DRAG_DATA.Direction == wm.Top {
delta = delta * -1
}
target_geom, err := DRAG_DATA.Window.DecorGeometry()
if err != nil {
log.Printf("Geom retrieve err: %v\n", err)
return
}
target_edge := EdgePos(target_geom, DRAG_DATA.Direction)
// resize the target by the delta
err = ResizeDirection(X, DRAG_DATA.Window, DRAG_DATA.Direction, delta)
if err != nil {
log.Printf("ResizeStep: can't resize target: %v\n", err)
return
}
// calculate actual delta that occured, for resizing the adjacent windows
// handles issues with window sizing hints on windows like terminals
// making big differences for us
target_geom_a, err := DRAG_DATA.Window.DecorGeometry()
if err != nil {
log.Printf("ResizeStep: Geom retrieve err: %v\n", err)
return
}
target_edge_a := EdgePos(target_geom_a, DRAG_DATA.Direction)
delta = target_edge_a - target_edge
if DRAG_DATA.Direction == wm.Left || DRAG_DATA.Direction == wm.Top {
delta = delta * -1
}
// resize each adjacent window by the opposite
for e := DRAG_DATA.Adjacent.Front(); e != nil; e = e.Next() {
// extract window from the linked list
adj_win := e.Value.(*xwindow.Window)
adj_geom, err := adj_win.DecorGeometry()
if err != nil {
log.Printf("ResizeStep: can't query adjacent window %v geometry: %v", adj_win, err)
}
log.Printf("ResizeStep: resizing adjacent window %v - %v: edge/delta %v/%v\n", adj_win.Id, adj_geom, DRAG_DATA.Direction.Opposite(), -delta)
// resize in the opposite direction, with the opposite delta
// except the delta should be some actual delta calculated from our source window,
// because issues with terminal windows happen
err = ResizeDirection(X, adj_win, DRAG_DATA.Direction.Opposite(), -delta)
// then to garuntee the edges touch...
AdjoinEdge(DRAG_DATA.Window, adj_win, DRAG_DATA.Direction)
if err != nil {
log.Printf("ResizeStep: can't resize adjacent window %v: %v\n", adj_win, err)
continue
}
}
// save new coordinates
DRAG_DATA.LastX = rx
DRAG_DATA.LastY = ry
}
handleDragStep := func(X *xgbutil.XUtil, rx, ry, ex, ey int) {
if DynamicDragResize {
handleResize(rx, ry)
}
}
handleDragEnd := func(X *xgbutil.XUtil, rx, ry, ex, ey int) {
// only run on high enough deltas. Prevents windows from resizing when the user has gone "nah."
// use the adjacency epsilon here too
delta := abs(rx - DRAG_DATA.LastX)
if DRAG_DATA.Direction == wm.Top || DRAG_DATA.Direction == wm.Bottom {
delta = abs(ry - DRAG_DATA.LastY)
}
if delta > AdjacencyEpsilon {
handleResize(rx, ry)
} else {
log.Printf("ResizeEnd: delta %v less than epsilon %v, skipping resize\n", delta, AdjacencyEpsilon)
}
DRAG_DATA = nil
}
// resizes the window by 1px vertically, then observes the actual change
resizeBugHunt := func(X *xgbutil.XUtil, ev xevent.ButtonPressEvent) {
// get xwindow from click
clicked, err := wm.FindManagedWindowUnderMouse(X)
if err != nil {
log.Println(err)
return
}
win := xwindow.New(X, clicked)
names := []string{"PreDecor", "PostDecorPreMove", "PostDecor", "Pre", "Post"}
geometries := make(map[string]xrect.Rect, 4)
// take measurements
pre_decor, err := win.DecorGeometry()
if err != nil {
log.Printf("Error fetching pre DecorGeom: %v\n", err)
}
geometries["PreDecor"] = pre_decor
geo, err := win.Geometry()
if err != nil {
log.Printf("Error fetching pre Geom: %v\n", err)
}
geometries["Pre"] = geo
// resize vertically by 1px
log.Println("Resizing using window.Geometry() + 50, not DecorGeometry() + 1")
//err = win.WMResize(geo.Width() + 50, geo.Height())
if err != nil {
log.Println(err)
}
// wait to finish
err = wm.PollFor(win, wm.GeometryDiffers(geo), wm.DecorDiffers(pre_decor))
if err != nil {
log.Printf("Oops wjile waiting for resizing and things: %v\n", err)
}
post_decor_pre_move, _, err := wm.Geometries(win)
if err != nil {
log.Println(err)
post_decor_pre_move = pre_decor
}
geometries["PostDecorPreMove"] = post_decor_pre_move
// move zero pixels, then wait
err = wm.Move(win, post_decor_pre_move.X(), post_decor_pre_move.Y())
if err != nil {
log.Printf("error in wm.Move zero px: %v\n", err)
}
geo, err = win.DecorGeometry()
if err != nil {
log.Printf("Error fetching post DecorGeom: %v\n", err)
}
geometries["PostDecor"] = geo
geo, err = win.Geometry()
if err != nil {
log.Printf("Error fetching post Geom: %v\n", err)
}
geometries["Post"] = geo
for _, k := range names {
log.Printf("%s: %v\n", k, geometries[k])
}
// release X events
// needed if the event binding is synchronous
// see http://godoc.burntsushi.net/pkg/github.com/BurntSushi/xgbutil/mousebind/#hdr-When_to_use_a_synchronous_binding
// xproto.AllowEvents(X.Conn(), xproto.AllowReplayPointer, 0)
}
// bind handler
mousebind.Drag(X, X.RootWin(), X.RootWin(), KeyComboResize, true,
handleDragStart,
handleDragStep,
handleDragEnd)
mousebind.ButtonPressFun(resizeBugHunt).Connect(X, X.RootWin(), ui.KeyOption+"-Shift-Control-1", false, true)
}