diff options
Diffstat (limited to 'vendor/gioui.org/app/internal/windows/windows.go')
| -rw-r--r-- | vendor/gioui.org/app/internal/windows/windows.go | 157 |
1 files changed, 155 insertions, 2 deletions
diff --git a/vendor/gioui.org/app/internal/windows/windows.go b/vendor/gioui.org/app/internal/windows/windows.go index 9006326..65a01d3 100644 --- a/vendor/gioui.org/app/internal/windows/windows.go +++ b/vendor/gioui.org/app/internal/windows/windows.go @@ -1,5 +1,6 @@ // SPDX-License-Identifier: Unlicense OR MIT +//go:build windows // +build windows package windows @@ -54,14 +55,44 @@ type MinMaxInfo struct { PtMaxTrackSize Point } +type WindowPlacement struct { + length uint32 + flags uint32 + showCmd uint32 + ptMinPosition Point + ptMaxPosition Point + rcNormalPosition Rect + rcDevice Rect +} + +type MonitorInfo struct { + cbSize uint32 + Monitor Rect + WorkArea Rect + Flags uint32 +} + const ( + TRUE = 1 + CS_HREDRAW = 0x0002 CS_VREDRAW = 0x0001 CS_OWNDC = 0x0020 CW_USEDEFAULT = -2147483648 - IDC_ARROW = 32512 + GWL_STYLE = ^(uint32(16) - 1) // -16 + HWND_TOPMOST = ^(uint32(1) - 1) // -1 + + HTCLIENT = 1 + + IDC_ARROW = 32512 + IDC_IBEAM = 32513 + IDC_HAND = 32649 + IDC_CROSS = 32515 + IDC_SIZENS = 32645 + IDC_SIZEWE = 32644 + IDC_SIZEALL = 32646 INFINITE = 0xFFFFFFFF @@ -77,6 +108,13 @@ const ( SW_SHOWDEFAULT = 10 + SWP_FRAMECHANGED = 0x0020 + SWP_NOMOVE = 0x0002 + SWP_NOOWNERZORDER = 0x0200 + SWP_NOSIZE = 0x0001 + SWP_NOZORDER = 0x0004 + SWP_SHOWWINDOW = 0x0040 + USER_TIMER_MINIMUM = 0x0000000A VK_CONTROL = 0x11 @@ -142,14 +180,17 @@ const ( WM_MBUTTONUP = 0x0208 WM_MOUSEMOVE = 0x0200 WM_MOUSEWHEEL = 0x020A + WM_MOUSEHWHEEL = 0x020E WM_PAINT = 0x000F WM_CLOSE = 0x0010 WM_QUIT = 0x0012 + WM_SETCURSOR = 0x0020 WM_SETFOCUS = 0x0007 WM_KILLFOCUS = 0x0008 WM_SHOWWINDOW = 0x0018 WM_SIZE = 0x0005 WM_SYSKEYDOWN = 0x0104 + WM_SYSKEYUP = 0x0105 WM_RBUTTONDOWN = 0x0204 WM_RBUTTONUP = 0x0205 WM_TIMER = 0x0113 @@ -159,6 +200,7 @@ const ( WS_CLIPCHILDREN = 0x00010000 WS_CLIPSIBLINGS = 0x04000000 + WS_MAXIMIZE = 0x01000000 WS_VISIBLE = 0x10000000 WS_OVERLAPPED = 0x00000000 WS_OVERLAPPEDWINDOW = WS_OVERLAPPED | WS_CAPTION | WS_SYSMENU | WS_THICKFRAME | @@ -185,6 +227,19 @@ const ( GHND = 0x0042 CF_UNICODETEXT = 13 + IMAGE_BITMAP = 0 + IMAGE_ICON = 1 + IMAGE_CURSOR = 2 + + LR_CREATEDIBSECTION = 0x00002000 + LR_DEFAULTCOLOR = 0x00000000 + LR_DEFAULTSIZE = 0x00000040 + LR_LOADFROMFILE = 0x00000010 + LR_LOADMAP3DCOLORS = 0x00001000 + LR_LOADTRANSPARENT = 0x00000020 + LR_MONOCHROME = 0x00000001 + LR_SHARED = 0x00008000 + LR_VGACOLOR = 0x00000080 ) var ( @@ -207,12 +262,20 @@ var ( _GetClientRect = user32.NewProc("GetClientRect") _GetClipboardData = user32.NewProc("GetClipboardData") _GetDC = user32.NewProc("GetDC") + _GetDpiForWindow = user32.NewProc("GetDpiForWindow") _GetKeyState = user32.NewProc("GetKeyState") _GetMessage = user32.NewProc("GetMessageW") _GetMessageTime = user32.NewProc("GetMessageTime") + _GetMonitorInfo = user32.NewProc("GetMonitorInfoW") + _GetWindowLong = user32.NewProc("GetWindowLongPtrW") + _GetWindowLong32 = user32.NewProc("GetWindowLongW") + _GetWindowPlacement = user32.NewProc("GetWindowPlacement") _KillTimer = user32.NewProc("KillTimer") _LoadCursor = user32.NewProc("LoadCursorW") + _LoadImage = user32.NewProc("LoadImageW") _MonitorFromPoint = user32.NewProc("MonitorFromPoint") + _MonitorFromWindow = user32.NewProc("MonitorFromWindow") + _MoveWindow = user32.NewProc("MoveWindow") _MsgWaitForMultipleObjectsEx = user32.NewProc("MsgWaitForMultipleObjectsEx") _OpenClipboard = user32.NewProc("OpenClipboard") _PeekMessage = user32.NewProc("PeekMessageW") @@ -224,11 +287,17 @@ var ( _ScreenToClient = user32.NewProc("ScreenToClient") _ShowWindow = user32.NewProc("ShowWindow") _SetCapture = user32.NewProc("SetCapture") + _SetCursor = user32.NewProc("SetCursor") _SetClipboardData = user32.NewProc("SetClipboardData") _SetForegroundWindow = user32.NewProc("SetForegroundWindow") _SetFocus = user32.NewProc("SetFocus") _SetProcessDPIAware = user32.NewProc("SetProcessDPIAware") _SetTimer = user32.NewProc("SetTimer") + _SetWindowLong = user32.NewProc("SetWindowLongPtrW") + _SetWindowLong32 = user32.NewProc("SetWindowLongW") + _SetWindowPlacement = user32.NewProc("SetWindowPlacement") + _SetWindowPos = user32.NewProc("SetWindowPos") + _SetWindowText = user32.NewProc("SetWindowTextW") _TranslateMessage = user32.NewProc("TranslateMessage") _UnregisterClass = user32.NewProc("UnregisterClassW") _UpdateWindow = user32.NewProc("UpdateWindow") @@ -343,7 +412,7 @@ func getDpiForMonitor(hmonitor syscall.Handle, dpiType uint32) int { // GetSystemDPI returns the effective DPI of the system. func GetSystemDPI() int { - // Check for getDpiForMonitor, introduced in Windows 8.1. + // Check for GetDpiForMonitor, introduced in Windows 8.1. if _GetDpiForMonitor.Find() == nil { hmon := monitorFromPoint(Point{}, MONITOR_DEFAULTTOPRIMARY) return getDpiForMonitor(hmon, MDT_EFFECTIVE_DPI) @@ -377,6 +446,66 @@ func GetMessageTime() time.Duration { return time.Duration(r) * time.Millisecond } +// GetWindowDPI returns the effective DPI of the window. +func GetWindowDPI(hwnd syscall.Handle) int { + // Check for GetDpiForWindow, introduced in Windows 10. + if _GetDpiForWindow.Find() == nil { + dpi, _, _ := _GetDpiForWindow.Call(uintptr(hwnd)) + return int(dpi) + } else { + return GetSystemDPI() + } +} + +func GetWindowPlacement(hwnd syscall.Handle) *WindowPlacement { + var wp WindowPlacement + wp.length = uint32(unsafe.Sizeof(wp)) + _GetWindowPlacement.Call(uintptr(hwnd), uintptr(unsafe.Pointer(&wp))) + return &wp +} + +func GetMonitorInfo(hwnd syscall.Handle) MonitorInfo { + var mi MonitorInfo + mi.cbSize = uint32(unsafe.Sizeof(mi)) + v, _, _ := _MonitorFromWindow.Call(uintptr(hwnd), MONITOR_DEFAULTTOPRIMARY) + _GetMonitorInfo.Call(v, uintptr(unsafe.Pointer(&mi))) + return mi +} + +func GetWindowLong(hwnd syscall.Handle) (style uintptr) { + if runtime.GOARCH == "386" { + style, _, _ = _GetWindowLong32.Call(uintptr(hwnd), uintptr(GWL_STYLE)) + } else { + style, _, _ = _GetWindowLong.Call(uintptr(hwnd), uintptr(GWL_STYLE)) + } + return +} + +func SetWindowLong(hwnd syscall.Handle, idx uint32, style uintptr) { + if runtime.GOARCH == "386" { + _SetWindowLong32.Call(uintptr(hwnd), uintptr(idx), style) + } else { + _SetWindowLong.Call(uintptr(hwnd), uintptr(idx), style) + } +} + +func SetWindowPlacement(hwnd syscall.Handle, wp *WindowPlacement) { + _SetWindowPlacement.Call(uintptr(hwnd), uintptr(unsafe.Pointer(wp))) +} + +func SetWindowPos(hwnd syscall.Handle, hwndInsertAfter uint32, x, y, dx, dy int32, style uintptr) { + _SetWindowPos.Call(uintptr(hwnd), uintptr(hwndInsertAfter), + uintptr(x), uintptr(y), + uintptr(dx), uintptr(dy), + style, + ) +} + +func SetWindowText(hwnd syscall.Handle, title string) { + wname := syscall.StringToUTF16Ptr(title) + _SetWindowText.Call(uintptr(hwnd), uintptr(unsafe.Pointer(wname))) +} + func GlobalAlloc(size int) (syscall.Handle, error) { r, _, err := _GlobalAlloc.Call(GHND, uintptr(size)) if r == 0 { @@ -417,6 +546,22 @@ func LoadCursor(curID uint16) (syscall.Handle, error) { return syscall.Handle(h), nil } +func LoadImage(hInst syscall.Handle, res uint32, typ uint32, cx, cy int, fuload uint32) (syscall.Handle, error) { + h, _, err := _LoadImage.Call(uintptr(hInst), uintptr(res), uintptr(typ), uintptr(cx), uintptr(cy), uintptr(fuload)) + if h == 0 { + return 0, fmt.Errorf("LoadImageW failed: %v", err) + } + return syscall.Handle(h), nil +} + +func MoveWindow(hwnd syscall.Handle, x, y, width, height int32, repaint bool) { + var paint uintptr + if repaint { + paint = TRUE + } + _MoveWindow.Call(uintptr(hwnd), uintptr(x), uintptr(y), uintptr(width), uintptr(height), paint) +} + func monitorFromPoint(pt Point, flags uint32) syscall.Handle { r, _, _ := _MonitorFromPoint.Call(uintptr(pt.X), uintptr(pt.Y), uintptr(flags)) return syscall.Handle(r) @@ -500,6 +645,10 @@ func SetClipboardData(format uint32, mem syscall.Handle) error { return nil } +func SetCursor(h syscall.Handle) { + _SetCursor.Call(uintptr(h)) +} + func SetTimer(hwnd syscall.Handle, nIDEvent uintptr, uElapse uint32, timerProc uintptr) error { r, _, err := _SetTimer.Call(uintptr(hwnd), uintptr(nIDEvent), uintptr(uElapse), timerProc) if r == 0 { @@ -530,6 +679,10 @@ func UpdateWindow(hwnd syscall.Handle) { _UpdateWindow.Call(uintptr(hwnd)) } +func (p WindowPlacement) Rect() Rect { + return p.rcNormalPosition +} + // issue34474KeepAlive calls runtime.KeepAlive as a // workaround for golang.org/issue/34474. func issue34474KeepAlive(v interface{}) { |