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ShuheiKubota 2019-11-09 15:26:01 +09:00
commit 200a67cd7b
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9
go.mod Normal file
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module github.com/shu-go/vvin
go 1.13
require (
github.com/mitchellh/go-ps v0.0.0-20190716172923-621e5597135b
github.com/shu-go/gli v0.0.0-20191003020935-c6817caa1c0a
github.com/shu-go/rog v0.0.0-20190826055139-09f31aeaaebd
)

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go.sum Normal file
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github.com/mattn/go-runewidth v0.0.4 h1:2BvfKmzob6Bmd4YsL0zygOqfdFnK7GR4QL06Do4/p7Y=
github.com/mattn/go-runewidth v0.0.4/go.mod h1:LwmH8dsx7+W8Uxz3IHJYH5QSwggIsqBzpuz5H//U1FU=
github.com/mitchellh/go-ps v0.0.0-20190716172923-621e5597135b h1:9+ke9YJ9KGWw5ANXK6ozjoK47uI3uNbXv4YVINBnGm8=
github.com/mitchellh/go-ps v0.0.0-20190716172923-621e5597135b/go.mod h1:r1VsdOzOPt1ZSrGZWFoNhsAedKnEd6r9Np1+5blZCWk=
github.com/shu-go/cliparser v0.0.0-20190822025044-17b54d2ae1aa h1:/o4k5mrlZXF78Ql4IbmbQwaqGklOYMPd0uQpyGxmYLg=
github.com/shu-go/cliparser v0.0.0-20190822025044-17b54d2ae1aa/go.mod h1:b89EpZSowgrnN/iRGjwCHlRcIMMQjOGm3NmffyFpF9M=
github.com/shu-go/clise v0.0.0-20190822023516-79849fb81cfe/go.mod h1:VLiMEzXMBozBLD37i3id3qPflaupus48v/979ipQ43s=
github.com/shu-go/gli v0.0.0-20191003020935-c6817caa1c0a h1:N7WMOChI8J5Dx22ZNbg4xaogju9gKARbjWmNaLo5irM=
github.com/shu-go/gli v0.0.0-20191003020935-c6817caa1c0a/go.mod h1:F0pECDJ/7sP7e6/BlCGNScgK3O3dOLo/0d8CeH1Z7Ks=
github.com/shu-go/gotwant v0.0.0-20190822031422-724391433f13/go.mod h1:UxvcvxZEQUBw6lS9UgXOPh1outjvx2+bvDlEOpCTuGo=
github.com/shu-go/rog v0.0.0-20190826055139-09f31aeaaebd h1:4HEm7TeZfpMp8mrjUoRt0MxTCvJrakuRn3rSbOSOBqE=
github.com/shu-go/rog v0.0.0-20190826055139-09f31aeaaebd/go.mod h1:z2vjwV5lUEhVBjFneBZQECuBiel1kmKuU0sVJCwysDY=

268
vvin.go Normal file
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package main
import (
"errors"
"fmt"
"os"
"strings"
"syscall"
"unsafe"
"github.com/mitchellh/go-ps"
"github.com/shu-go/gli"
"github.com/shu-go/rog"
)
type globalCmd struct {
Target string `cli:"target,t=WINDOW_TITLE" help:"default to current window"`
Debug bool
Minimize minCmd `cli:"minimize,min"`
Maximize maxCmd `cli:"maximize,max"`
Resize resizeCmd `cli:"resize"`
Move moveCmd `cli:"move,mv"`
targetHandle syscall.Handle
scrWidth, scrHeight int
}
func (c *globalCmd) Before() error {
wins, err := listAllWindows()
if err != nil {
return err
}
an := ancestors()
t := strings.ToLower(c.Target)
for _, w := range wins {
ancestor := false
for _, p := range an {
if w.PID == p {
ancestor = true
break
}
}
if c.Debug {
rog.Printf("win: %#v (ancestor? %v)", w, ancestor)
}
if t != "" && !ancestor {
wt := strings.ToLower(w.Title)
if strings.Contains(wt, t) {
c.targetHandle = w.Handle
break
}
} else if t == "" && ancestor {
c.targetHandle = w.Handle
break
}
}
if c.targetHandle == 0 {
return errors.New("no target")
}
w, _, _ := getSystemMetrics.Call(SM_CXVIRTUALSCREEN)
h, _, _ := getSystemMetrics.Call(SM_CYVIRTUALSCREEN)
c.scrWidth = int(w)
c.scrHeight = int(h)
return nil
}
type minCmd struct {
Restore bool `cli:"restore,r"`
}
func (c minCmd) Run(g globalCmd) {
if c.Restore {
showWindow.Call(uintptr(g.targetHandle), SW_RESTORE)
} else {
showWindow.Call(uintptr(g.targetHandle), SW_MINIMIZE)
}
}
type maxCmd struct {
Restore bool `cli:"restore,r"`
}
func (c maxCmd) Run(g globalCmd) {
if c.Restore {
showWindow.Call(uintptr(g.targetHandle), SW_RESTORE)
} else {
showWindow.Call(uintptr(g.targetHandle), SW_MAXIMIZE)
}
}
type resizeCmd struct {
Left int `cli:"left,x"`
Top int `cli:"top,y"`
Width int `cli:"width,w"`
Height int `cli:"height,h"`
NoRestorable bool `cli:"norestorable"`
}
func (c resizeCmd) Run(g globalCmd) {
if !c.NoRestorable {
showWindow.Call(uintptr(g.targetHandle), SW_MAXIMIZE)
}
setWindowPos.Call(
uintptr(g.targetHandle),
0,
uintptr(c.Left),
uintptr(c.Top),
uintptr(c.Width),
uintptr(c.Height),
SWP_NOACTIVATE|SWP_NOZORDER)
}
type moveCmd struct {
Left int `cli:"left,x"`
Top int `cli:"top,y"`
NoRestorable bool `cli:"norestorable"`
}
func (c moveCmd) Run(g globalCmd) {
rect := struct {
Left, Top, Right, Bottom int32
}{}
if !c.NoRestorable {
getWindowRect.Call(uintptr(g.targetHandle), uintptr(unsafe.Pointer(&rect)))
showWindow.Call(uintptr(g.targetHandle), SW_MAXIMIZE)
setWindowPos.Call(
uintptr(g.targetHandle),
0,
uintptr(c.Left),
uintptr(c.Top),
uintptr(rect.Right-rect.Left),
uintptr(rect.Bottom-rect.Top),
SWP_NOACTIVATE|SWP_NOZORDER)
} else {
setWindowPos.Call(
uintptr(g.targetHandle),
0,
uintptr(c.Left),
uintptr(c.Top),
0,
0,
SWP_NOACTIVATE|SWP_NOZORDER|SWP_NOSIZE)
}
}
func main() {
app := gli.NewWith(&globalCmd{})
app.Name = "vvin"
app.Desc = ""
app.Version = "0.0.0"
app.Usage = ``
app.Copyright = "(C) 2019 Shuhei Kubota"
app.Run(os.Args)
}
var (
user32 = syscall.NewLazyDLL("user32.dll")
enumWindows = user32.NewProc("EnumWindows")
getWindowText = user32.NewProc("GetWindowTextW")
getWindowTextLength = user32.NewProc("GetWindowTextLengthW")
getWindowThreadProcessId = user32.NewProc("GetWindowThreadProcessId")
isWindow = user32.NewProc("IsWindow")
isWindowVisible = user32.NewProc("IsWindowVisible")
showWindow = user32.NewProc("ShowWindow")
setWindowPos = user32.NewProc("SetWindowPos")
getWindowRect = user32.NewProc("GetWindowRect")
getSystemMetrics = user32.NewProc("GetSystemMetrics")
)
const (
SW_MAXIMIZE = 3
SW_MINIMIZE = 6
SW_RESTORE = 9
SWP_NOACTIVATE = 0x0010
SWP_NOSIZE = 0x0001
SWP_NOZORDER = 0x0004
SM_CXVIRTUALSCREEN = 78
SM_CYVIRTUALSCREEN = 79
)
type (
Window struct {
Title string
Handle syscall.Handle
PID int
}
)
func listAllWindows() (wins []*Window, err error) {
cb := syscall.NewCallback(func(hwnd syscall.Handle, lparam uintptr) uintptr {
b, _, _ := isWindow.Call(uintptr(hwnd))
if b == 0 {
return 1
}
b, _, _ = isWindowVisible.Call(uintptr(hwnd))
if b == 0 {
return 1
}
title := ""
tlen, _, _ := getWindowTextLength.Call(uintptr(hwnd))
if tlen != 0 {
tlen++
buff := make([]uint16, tlen)
getWindowText.Call(
uintptr(hwnd),
uintptr(unsafe.Pointer(&buff[0])),
uintptr(tlen),
)
title = syscall.UTF16ToString(buff)
}
var processID uintptr
getWindowThreadProcessId.Call(
uintptr(hwnd),
uintptr(unsafe.Pointer(&processID)),
)
win := &Window{
Title: title,
Handle: hwnd,
PID: int(processID),
}
wins = append(wins, win)
return 1
})
a, _, _ := enumWindows.Call(cb, 0)
if a == 0 {
return nil, fmt.Errorf("USER32.EnumWindows returned FALSE")
}
return wins, nil
}
func ancestors() []int {
curr := os.Getpid()
an := []int{curr}
for {
p, err := ps.FindProcess(curr)
if p == nil || err != nil {
break
}
curr = p.PPid()
an = append(an, curr)
}
return an
}