117 lines
2.5 KiB
Go
117 lines
2.5 KiB
Go
// Copyright 2011 The Walk Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style
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// license that can be found in the LICENSE file.
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// +build windows
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package walk
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import (
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"image"
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)
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import (
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"github.com/lxn/win"
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)
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type Cursor interface {
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Dispose()
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handle() win.HCURSOR
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}
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type stockCursor struct {
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hCursor win.HCURSOR
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}
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func (sc stockCursor) Dispose() {
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// nop
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}
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func (sc stockCursor) handle() win.HCURSOR {
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return sc.hCursor
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}
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func CursorArrow() Cursor {
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return stockCursor{win.LoadCursor(0, win.MAKEINTRESOURCE(win.IDC_ARROW))}
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}
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func CursorIBeam() Cursor {
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return stockCursor{win.LoadCursor(0, win.MAKEINTRESOURCE(win.IDC_IBEAM))}
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}
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func CursorWait() Cursor {
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return stockCursor{win.LoadCursor(0, win.MAKEINTRESOURCE(win.IDC_WAIT))}
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}
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func CursorCross() Cursor {
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return stockCursor{win.LoadCursor(0, win.MAKEINTRESOURCE(win.IDC_CROSS))}
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}
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func CursorUpArrow() Cursor {
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return stockCursor{win.LoadCursor(0, win.MAKEINTRESOURCE(win.IDC_UPARROW))}
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}
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func CursorSizeNWSE() Cursor {
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return stockCursor{win.LoadCursor(0, win.MAKEINTRESOURCE(win.IDC_SIZENWSE))}
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}
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func CursorSizeNESW() Cursor {
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return stockCursor{win.LoadCursor(0, win.MAKEINTRESOURCE(win.IDC_SIZENESW))}
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}
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func CursorSizeWE() Cursor {
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return stockCursor{win.LoadCursor(0, win.MAKEINTRESOURCE(win.IDC_SIZEWE))}
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}
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func CursorSizeNS() Cursor {
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return stockCursor{win.LoadCursor(0, win.MAKEINTRESOURCE(win.IDC_SIZENS))}
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}
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func CursorSizeAll() Cursor {
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return stockCursor{win.LoadCursor(0, win.MAKEINTRESOURCE(win.IDC_SIZEALL))}
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}
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func CursorNo() Cursor {
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return stockCursor{win.LoadCursor(0, win.MAKEINTRESOURCE(win.IDC_NO))}
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}
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func CursorHand() Cursor {
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return stockCursor{win.LoadCursor(0, win.MAKEINTRESOURCE(win.IDC_HAND))}
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}
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func CursorAppStarting() Cursor {
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return stockCursor{win.LoadCursor(0, win.MAKEINTRESOURCE(win.IDC_APPSTARTING))}
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}
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func CursorHelp() Cursor {
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return stockCursor{win.LoadCursor(0, win.MAKEINTRESOURCE(win.IDC_HELP))}
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}
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func CursorIcon() Cursor {
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return stockCursor{win.LoadCursor(0, win.MAKEINTRESOURCE(win.IDC_ICON))}
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}
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func CursorSize() Cursor {
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return stockCursor{win.LoadCursor(0, win.MAKEINTRESOURCE(win.IDC_SIZE))}
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}
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type customCursor struct {
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hCursor win.HCURSOR
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}
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func NewCursorFromImage(im image.Image, hotspot image.Point) (Cursor, error) {
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i, err := createAlphaCursorOrIconFromImage(im, hotspot, false)
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if err != nil {
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return nil, err
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}
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return customCursor{win.HCURSOR(i)}, nil
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}
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func (cc customCursor) Dispose() {
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win.DestroyIcon(win.HICON(cc.hCursor))
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}
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func (cc customCursor) handle() win.HCURSOR {
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return cc.hCursor
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}
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