win32: keyboard support
For golang/go#9306 Change-Id: I2e4029e261307e08748b7088c495512247f10d21 Reviewed-on: https://go-review.googlesource.com/17722 Reviewed-by: Alex Brainman <alex.brainman@gmail.com>
This commit is contained in:
David Crawshaw
Родитель
fb8fbd2b13
Коммит
7ee4134c09
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@ -0,0 +1,347 @@
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// Copyright 2015 The Go 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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package win32
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import (
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"fmt"
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"unicode/utf16"
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"golang.org/x/mobile/event/key"
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)
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// convVirtualKeyCode converts a Win32 virtual key code number
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// into the standard keycodes used by the key package.
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func convVirtualKeyCode(vKey uint32) key.Code {
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switch vKey {
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case 0x01: // VK_LBUTTON left mouse button
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case 0x02: // VK_RBUTTON right mouse button
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case 0x03: // VK_CANCEL control-break processing
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case 0x04: // VK_MBUTTON middle mouse button
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case 0x05: // VK_XBUTTON1 X1 mouse button
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case 0x06: // VK_XBUTTON2 X2 mouse button
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case 0x08: // VK_BACK
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return key.CodeDeleteBackspace
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case 0x09: // VK_TAB
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return key.CodeTab
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case 0x0C: // VK_CLEAR
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case 0x0D: // VK_RETURN
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return key.CodeReturnEnter
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case 0x10: // VK_SHIFT
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return key.CodeLeftShift
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case 0x11: // VK_CONTROL
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return key.CodeLeftControl
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case 0x12: // VK_MENU
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return key.CodeLeftAlt
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case 0x13: // VK_PAUSE
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case 0x14: // VK_CAPITAL
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return key.CodeCapsLock
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case 0x15: // VK_KANA, VK_HANGUEL, VK_HANGUL
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case 0x17: // VK_JUNJA
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case 0x18: // VK_FINA, L
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case 0x19: // VK_HANJA, VK_KANJI
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case 0x1B: // VK_ESCAPE
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return key.CodeEscape
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case 0x1C: // VK_CONVERT
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case 0x1D: // VK_NONCONVERT
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case 0x1E: // VK_ACCEPT
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case 0x1F: // VK_MODECHANGE
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case 0x20: // VK_SPACE
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return key.CodeSpacebar
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case 0x21: // VK_PRIOR
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return key.CodePageUp
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case 0x22: // VK_NEXT
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return key.CodePageDown
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case 0x23: // VK_END
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return key.CodeEnd
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case 0x24: // VK_HOME
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return key.CodeHome
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case 0x25: // VK_LEFT
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return key.CodeLeftArrow
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case 0x26: // VK_UP
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return key.CodeUpArrow
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case 0x27: // VK_RIGHT
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return key.CodeRightArrow
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case 0x28: // VK_DOWN
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return key.CodeDownArrow
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case 0x29: // VK_SELECT
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case 0x2A: // VK_PRINT
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case 0x2B: // VK_EXECUTE
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case 0x2C: // VK_SNAPSHOT
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case 0x2D: // VK_INSERT
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case 0x2E: // VK_DELETE
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return key.CodeDeleteForward
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case 0x2F: // VK_HELP
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return key.CodeHelp
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case 0x30:
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return key.Code0
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case 0x31:
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return key.Code1
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case 0x32:
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return key.Code2
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case 0x33:
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return key.Code3
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case 0x34:
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return key.Code4
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case 0x35:
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return key.Code5
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case 0x36:
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return key.Code6
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case 0x37:
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return key.Code7
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case 0x38:
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return key.Code8
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case 0x39:
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return key.Code9
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case 0x41:
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return key.CodeA
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case 0x42:
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return key.CodeB
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case 0x43:
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return key.CodeC
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case 0x44:
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return key.CodeD
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case 0x45:
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return key.CodeE
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case 0x46:
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return key.CodeF
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case 0x47:
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return key.CodeG
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case 0x48:
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return key.CodeH
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case 0x49:
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return key.CodeI
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case 0x4A:
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return key.CodeJ
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case 0x4B:
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return key.CodeK
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case 0x4C:
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return key.CodeL
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case 0x4D:
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return key.CodeM
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case 0x4E:
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return key.CodeN
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case 0x4F:
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return key.CodeO
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case 0x50:
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return key.CodeP
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case 0x51:
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return key.CodeQ
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case 0x52:
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return key.CodeR
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case 0x53:
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return key.CodeS
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case 0x54:
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return key.CodeT
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case 0x55:
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return key.CodeU
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case 0x56:
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return key.CodeV
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case 0x57:
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return key.CodeW
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case 0x58:
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return key.CodeX
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case 0x59:
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return key.CodeY
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case 0x5A:
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return key.CodeZ
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case 0x5B: // VK_LWIN
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return key.CodeLeftGUI
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case 0x5C: // VK_RWIN
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return key.CodeRightGUI
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case 0x5D: // VK_APPS
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case 0x5F: // VK_SLEEP
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case 0x60: // VK_NUMPAD0
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return key.CodeKeypad0
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case 0x61: // VK_NUMPAD1
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return key.CodeKeypad1
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case 0x62: // VK_NUMPAD2
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return key.CodeKeypad2
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case 0x63: // VK_NUMPAD3
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return key.CodeKeypad3
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case 0x64: // VK_NUMPAD4
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return key.CodeKeypad4
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case 0x65: // VK_NUMPAD5
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return key.CodeKeypad5
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case 0x66: // VK_NUMPAD6
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return key.CodeKeypad6
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case 0x67: // VK_NUMPAD7
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return key.CodeKeypad7
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case 0x68: // VK_NUMPAD8
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return key.CodeKeypad8
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case 0x69: // VK_NUMPAD9
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return key.CodeKeypad9
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case 0x6A: // VK_MULTIPLY
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return key.CodeKeypadAsterisk
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case 0x6B: // VK_ADD
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return key.CodeKeypadPlusSign
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case 0x6C: // VK_SEPARATOR
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case 0x6D: // VK_SUBTRACT
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return key.CodeKeypadHyphenMinus
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case 0x6E: // VK_DECIMAL
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return key.CodeFullStop
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case 0x6F: // VK_DIVIDE
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return key.CodeKeypadSlash
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case 0x70: // VK_F1
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return key.CodeF1
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case 0x71: // VK_F2
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return key.CodeF2
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case 0x72: // VK_F3
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return key.CodeF3
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case 0x73: // VK_F4
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return key.CodeF4
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case 0x74: // VK_F5
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return key.CodeF5
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case 0x75: // VK_F6
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return key.CodeF6
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case 0x76: // VK_F7
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return key.CodeF7
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case 0x77: // VK_F8
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return key.CodeF8
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case 0x78: // VK_F9
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return key.CodeF9
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case 0x79: // VK_F10
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return key.CodeF10
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case 0x7A: // VK_F11
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return key.CodeF11
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case 0x7B: // VK_F12
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return key.CodeF12
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case 0x7C: // VK_F13
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return key.CodeF13
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case 0x7D: // VK_F14
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return key.CodeF14
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case 0x7E: // VK_F15
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return key.CodeF15
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case 0x7F: // VK_F16
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return key.CodeF16
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case 0x80: // VK_F17
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return key.CodeF17
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case 0x81: // VK_F18
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return key.CodeF18
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case 0x82: // VK_F19
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return key.CodeF19
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case 0x83: // VK_F20
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return key.CodeF20
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case 0x84: // VK_F21
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return key.CodeF21
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case 0x85: // VK_F22
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return key.CodeF22
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case 0x86: // VK_F23
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return key.CodeF23
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case 0x87: // VK_F24
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return key.CodeF24
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case 0x90: // VK_NUMLOCK
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return key.CodeKeypadNumLock
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case 0x91: // VK_SCROLL
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case 0xA0: // VK_LSHIFT
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return key.CodeLeftShift
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case 0xA1: // VK_RSHIFT
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return key.CodeRightShift
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case 0xA2: // VK_LCONTROL
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return key.CodeLeftControl
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case 0xA3: // VK_RCONTROL
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return key.CodeRightControl
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case 0xA4: // VK_LMENU
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case 0xA5: // VK_RMENU
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case 0xA6: // VK_BROWSER_BACK
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case 0xA7: // VK_BROWSER_FORWARD
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case 0xA8: // VK_BROWSER_REFRESH
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case 0xA9: // VK_BROWSER_STOP
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case 0xAA: // VK_BROWSER_SEARCH
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case 0xAB: // VK_BROWSER_FAVORITES
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case 0xAC: // VK_BROWSER_HOME
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case 0xAD: // VK_VOLUME_MUTE
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return key.CodeMute
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case 0xAE: // VK_VOLUME_DOWN
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return key.CodeVolumeDown
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case 0xAF: // VK_VOLUME_UP
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return key.CodeVolumeUp
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case 0xB0: // VK_MEDIA_NEXT_TRACK
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case 0xB1: // VK_MEDIA_PREV_TRACK
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case 0xB2: // VK_MEDIA_STOP
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case 0xB3: // VK_MEDIA_PLAY_PAUSE
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case 0xB4: // VK_LAUNCH_MAIL
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case 0xB5: // VK_LAUNCH_MEDIA_SELECT
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case 0xB6: // VK_LAUNCH_APP1
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case 0xB7: // VK_LAUNCH_APP2
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case 0xBA: // VK_OEM_1 ';:'
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return key.CodeSemicolon
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case 0xBB: // VK_OEM_PLUS '+'
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return key.CodeEqualSign
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case 0xBC: // VK_OEM_COMMA ','
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return key.CodeComma
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case 0xBD: // VK_OEM_MINUS '-'
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return key.CodeHyphenMinus
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case 0xBE: // VK_OEM_PERIOD '.'
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return key.CodeFullStop
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case 0xBF: // VK_OEM_2 '/?'
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return key.CodeSlash
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case 0xC0: // VK_OEM_3 '`~'
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return key.CodeGraveAccent
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case 0xDB: // VK_OEM_4 '[{'
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return key.CodeLeftSquareBracket
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case 0xDC: // VK_OEM_5 '\|'
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return key.CodeBackslash
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case 0xDD: // VK_OEM_6 ']}'
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return key.CodeRightSquareBracket
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case 0xDE: // VK_OEM_7 'single-quote/double-quote'
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return key.CodeApostrophe
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case 0xDF: // VK_OEM_8
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return key.CodeUnknown
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case 0xE2: // VK_OEM_102
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case 0xE5: // VK_PROCESSKEY
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case 0xE7: // VK_PACKET
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case 0xF6: // VK_ATTN
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case 0xF7: // VK_CRSEL
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case 0xF8: // VK_EXSEL
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case 0xF9: // VK_EREOF
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case 0xFA: // VK_PLAY
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case 0xFB: // VK_ZOOM
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case 0xFC: // VK_NONAME
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case 0xFD: // VK_PA1
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case 0xFE: // VK_OEM_CLEAR
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}
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return key.CodeUnknown
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}
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func readRune(vKey uint32, scanCode uint8) rune {
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var (
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keystate [256]byte
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buf [4]uint16
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)
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if err := _GetKeyboardState(&keystate[0]); err != nil {
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panic(fmt.Sprintf("win32: %v", err))
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}
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// TODO: cache GetKeyboardLayout result, update on WM_INPUTLANGCHANGE
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layout := _GetKeyboardLayout(0)
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ret := _ToUnicodeEx(vKey, uint32(scanCode), &keystate[0], &buf[0], int32(len(buf)), 0, layout)
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if ret < 1 {
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return -1
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}
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return utf16.Decode(buf[:ret])[0]
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}
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func sendKeyEvent(hwnd HWND, uMsg uint32, wParam, lParam uintptr) (lResult uintptr) {
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e := key.Event{
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Rune: readRune(uint32(wParam), uint8(lParam>>16)),
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Code: convVirtualKeyCode(uint32(wParam)),
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Modifiers: keyModifiers(),
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}
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switch uMsg {
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case _WM_KEYDOWN:
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const prevMask = 1 << 30
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if repeat := lParam&prevMask == prevMask; repeat {
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e.Direction = key.DirNone
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} else {
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e.Direction = key.DirPress
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}
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case _WM_KEYUP:
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e.Direction = key.DirRelease
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default:
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panic(fmt.Sprintf("win32: unexpected key message: %d", uMsg))
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}
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||||
|
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KeyEvent(hwnd, e)
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return 0
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}
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|
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@ -182,3 +182,6 @@ func _HIWORD(l uintptr) uint16 {
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//sys _GetClientRect(hwnd HWND, rect *_RECT) (err error) = user32.GetClientRect
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//sys _GetKeyState(virtkey int32) (keystatus int16) = user32.GetKeyState
|
||||
//sys _PostQuitMessage(exitCode int32) = user32.PostQuitMessage
|
||||
//sys _GetKeyboardLayout(threadID uint32) (locale syscall.Handle) = user32.GetKeyboardLayout
|
||||
//sys _GetKeyboardState(lpKeyState *byte) (err error) = user32.GetKeyboardState
|
||||
//sys _ToUnicodeEx(wVirtKey uint32, wScanCode uint32, lpKeyState *byte, pwszBuff *uint16, cchBuff int32, wFlags uint32, dwhkl syscall.Handle) (ret int32) = user32.ToUnicodeEx
|
||||
|
|
|
|||
|
|
@ -217,6 +217,7 @@ var (
|
|||
MouseEvent func(hwnd HWND, e mouse.Event)
|
||||
PaintEvent func(hwnd HWND, e paint.Event)
|
||||
SizeEvent func(hwnd HWND, e size.Event)
|
||||
KeyEvent func(hwnd HWND, e key.Event)
|
||||
LifecycleEvent func(hwnd HWND, e lifecycle.Stage)
|
||||
)
|
||||
|
||||
|
|
@ -258,7 +259,10 @@ var windowMsgs = map[uint32]func(hwnd HWND, uMsg uint32, wParam, lParam uintptr)
|
|||
_WM_RBUTTONUP: sendMouseEvent,
|
||||
_WM_MOUSEMOVE: sendMouseEvent,
|
||||
_WM_MOUSEWHEEL: sendMouseEvent,
|
||||
// TODO case _WM_KEYDOWN, _WM_KEYUP, _WM_SYSKEYDOWN, _WM_SYSKEYUP:
|
||||
|
||||
_WM_KEYDOWN: sendKeyEvent,
|
||||
_WM_KEYUP: sendKeyEvent,
|
||||
// TODO case _WM_SYSKEYDOWN, _WM_SYSKEYUP:
|
||||
}
|
||||
|
||||
func AddWindowMsg(fn func(hwnd HWND, uMsg uint32, wParam, lParam uintptr)) uint32 {
|
||||
|
|
|
|||
|
|
@ -27,6 +27,9 @@ var (
|
|||
procGetClientRect = moduser32.NewProc("GetClientRect")
|
||||
procGetKeyState = moduser32.NewProc("GetKeyState")
|
||||
procPostQuitMessage = moduser32.NewProc("PostQuitMessage")
|
||||
procGetKeyboardLayout = moduser32.NewProc("GetKeyboardLayout")
|
||||
procGetKeyboardState = moduser32.NewProc("GetKeyboardState")
|
||||
procToUnicodeEx = moduser32.NewProc("ToUnicodeEx")
|
||||
)
|
||||
|
||||
func GetDC(hwnd HWND) (dc HDC, err error) {
|
||||
|
|
@ -189,3 +192,27 @@ func _PostQuitMessage(exitCode int32) {
|
|||
syscall.Syscall(procPostQuitMessage.Addr(), 1, uintptr(exitCode), 0, 0)
|
||||
return
|
||||
}
|
||||
|
||||
func _GetKeyboardLayout(threadID uint32) (locale syscall.Handle) {
|
||||
r0, _, _ := syscall.Syscall(procGetKeyboardLayout.Addr(), 1, uintptr(threadID), 0, 0)
|
||||
locale = syscall.Handle(r0)
|
||||
return
|
||||
}
|
||||
|
||||
func _GetKeyboardState(lpKeyState *byte) (err error) {
|
||||
r1, _, e1 := syscall.Syscall(procGetKeyboardState.Addr(), 1, uintptr(unsafe.Pointer(lpKeyState)), 0, 0)
|
||||
if r1 == 0 {
|
||||
if e1 != 0 {
|
||||
err = error(e1)
|
||||
} else {
|
||||
err = syscall.EINVAL
|
||||
}
|
||||
}
|
||||
return
|
||||
}
|
||||
|
||||
func _ToUnicodeEx(wVirtKey uint32, wScanCode uint32, lpKeyState *byte, pwszBuff *uint16, cchBuff int32, wFlags uint32, dwhkl syscall.Handle) (ret int32) {
|
||||
r0, _, _ := syscall.Syscall9(procToUnicodeEx.Addr(), 7, uintptr(wVirtKey), uintptr(wScanCode), uintptr(unsafe.Pointer(lpKeyState)), uintptr(unsafe.Pointer(pwszBuff)), uintptr(cchBuff), uintptr(wFlags), uintptr(dwhkl), 0, 0)
|
||||
ret = int32(r0)
|
||||
return
|
||||
}
|
||||
|
|
|
|||
|
|
@ -19,6 +19,7 @@ import (
|
|||
"golang.org/x/exp/shiny/driver/internal/win32"
|
||||
"golang.org/x/exp/shiny/screen"
|
||||
"golang.org/x/image/math/f64"
|
||||
"golang.org/x/mobile/event/key"
|
||||
"golang.org/x/mobile/event/lifecycle"
|
||||
"golang.org/x/mobile/event/mouse"
|
||||
"golang.org/x/mobile/event/paint"
|
||||
|
|
@ -149,6 +150,7 @@ func init() {
|
|||
}
|
||||
win32.MouseEvent = func(hwnd win32.HWND, e mouse.Event) { send(hwnd, e) }
|
||||
win32.PaintEvent = func(hwnd win32.HWND, e paint.Event) { send(hwnd, e) }
|
||||
win32.KeyEvent = func(hwnd win32.HWND, e key.Event) { send(hwnd, e) }
|
||||
win32.LifecycleEvent = lifecycleEvent
|
||||
win32.SizeEvent = sizeEvent
|
||||
}
|
||||
|
|
|
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Загрузка…
Ссылка в новой задаче