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Fix VirtualBox scancodes 

Support for the backspace, delete and F1-F12 keys was added in commit 6028a3c.
However, that commit seems to have copied character codes from the vmware
builder into the VirtualBox builder. Character codes are appropriate for VMware
which communicates through a VNC. However, VirtualBox communicates through
simulating raw keyboard input and therefore needs scancodes which are key
press/key release sequences.

This patch converts backspace, delete and F1-F10 to scancodes. F11 and F12 are
not listed in the [scancode reference][scancodes] so they have been omitted.

[scancodes]: http://www.win.tue.nl/~aeb/linux/kbd/scancodes-1.html
This commit is contained in:
Charlie Sharpsteen 2013-09-15 21:04:25 -07:00
parent d6fca7975a
commit bb8e7f7814
1 changed files with 20 additions and 15 deletions
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35
builder/virtualbox/step_type_boot_command.go
View File

@ -92,29 +92,34 @@ func (s *stepTypeBootCommand) Run(state multistep.StateBag) multistep.StepAction
func (*stepTypeBootCommand) Cleanup(multistep.StateBag) {}
func scancodes(message string) []string {
// Scancodes reference: http://www.win.tue.nl/~aeb/linux/kbd/scancodes-1.html
//
// Scancodes represent raw keyboard output and are fed to the VM by the
// VBoxManage controlvm keyboardputscancode program.
//
// Scancodes are recorded here in pairs. The first entry represents
// the key press and the second entry represents the key release and is
// derived from the first by the addition of 0x81.
special := make(map[string][]string)
special["<bs>"] = []string{"ff", "08"}
special["<del>"] = []string{"ff", "ff"}
special["<bs>"] = []string{"0e", "8e"}
special["<del>"] = []string{"53", "d3"}
special["<enter>"] = []string{"1c", "9c"}
special["<esc>"] = []string{"01", "81"}
special["<f1>"] = []string{"ff", "be"}
special["<f2>"] = []string{"ff", "bf"}
special["<f3>"] = []string{"ff", "c0"}
special["<f4>"] = []string{"ff", "c1"}
special["<f5>"] = []string{"ff", "c2"}
special["<f6>"] = []string{"ff", "c3"}
special["<f7>"] = []string{"ff", "c4"}
special["<f8>"] = []string{"ff", "c5"}
special["<f9>"] = []string{"ff", "c6"}
special["<f10>"] = []string{"ff", "c7"}
special["<f11>"] = []string{"ff", "c8"}
special["<f12>"] = []string{"ff", "c9"}
special["<f1>"] = []string{"3b", "bb"}
special["<f2>"] = []string{"3c", "bc"}
special["<f3>"] = []string{"3d", "bd"}
special["<f4>"] = []string{"3e", "be"}
special["<f5>"] = []string{"3f", "bf"}
special["<f6>"] = []string{"40", "c0"}
special["<f7>"] = []string{"41", "c1"}
special["<f8>"] = []string{"42", "c2"}
special["<f9>"] = []string{"43", "c3"}
special["<f10>"] = []string{"44", "c4"}
special["<return>"] = []string{"1c", "9c"}
special["<tab>"] = []string{"0f", "8f"}
shiftedChars := "~!@#$%^&*()_+{}|:\"<>?"
// Scancodes reference: http://www.win.tue.nl/~aeb/linux/kbd/scancodes-1.html
scancodeIndex := make(map[string]uint)
scancodeIndex["1234567890-="] = 0x02
scancodeIndex["!@#$%^&*()_+"] = 0x02