public static int[] GetRowTerminators(KeyboardLayoutType layout)
{
// First five rows are the hashes of the terminator keys
// (Backspace, Enter, R Shift, R Ctrl for Euro layout)
switch (layout)
{
default: // includes case KeyboardLayoutType.US:
return(new [] {
KeyHasher.GetHashFromKeyData(14, 0),
KeyHasher.GetHashFromKeyData(43, 0),
KeyHasher.GetHashFromKeyData(28, 0),
KeyHasher.GetHashFromKeyData(54, 224),
KeyHasher.GetHashFromKeyData(29, 224)
});
case KeyboardLayoutType.Punjabi:
case KeyboardLayoutType.European:
return(new [] {
KeyHasher.GetHashFromKeyData(14, 0),
KeyHasher.GetHashFromKeyData(28, 0),
99999,
KeyHasher.GetHashFromKeyData(54, 224),
KeyHasher.GetHashFromKeyData(29, 224)
});
}
}
public static int[] GetRowTerminators(KeyboardLayoutType layout)
{
// First five rows are the hashes of the terminator keys
// (Backspace, Enter, R Shift, R Ctrl for Euro layout)
switch (layout)
{
default: // includes case KeyboardLayoutType.US:
return new [] {
KeyHasher.GetHashFromKeyData(14, 0),
KeyHasher.GetHashFromKeyData(43, 0),
KeyHasher.GetHashFromKeyData(28, 0),
KeyHasher.GetHashFromKeyData(54, 224),
KeyHasher.GetHashFromKeyData(29, 224) };
case KeyboardLayoutType.Punjabi:
case KeyboardLayoutType.European:
return new [] {
KeyHasher.GetHashFromKeyData(14, 0),
KeyHasher.GetHashFromKeyData(28, 0),
99999,
KeyHasher.GetHashFromKeyData(54, 224),
KeyHasher.GetHashFromKeyData(29, 224) };
}
}
public static PhysicalKeyboardLayout GetPhysicalLayout(KeyboardLayoutType layout, bool isMacKeyboard)
{
var existingInstance =
cachedInstances.SingleOrDefault(l => l.layout == layout && l.isMacKeyboard == isMacKeyboard);
if (existingInstance != null)
{
return existingInstance;
}
PhysicalKeyboardLayout nl = new PhysicalKeyboardLayout
{
layout = layout, isMacKeyboard = isMacKeyboard
};
nl.Populate();
cachedInstances.Add(nl);
return nl;
}
public static PhysicalKeyboardLayout GetPhysicalLayout(KeyboardLayoutType layout, bool isMacKeyboard)
{
var existingInstance =
cachedInstances.SingleOrDefault(l => l.layout == layout && l.isMacKeyboard == isMacKeyboard);
if (existingInstance != null)
{
return(existingInstance);
}
PhysicalKeyboardLayout nl = new PhysicalKeyboardLayout
{
layout = layout, isMacKeyboard = isMacKeyboard
};
nl.Populate();
cachedInstances.Add(nl);
return(nl);
}
public static void SwitchKeyboardLayout(KeyboardLayoutType layout)
{
KeyboardLayout = layout;
}
public static void SwitchKeyboardLayout(KeyboardLayoutType layout)
{
KeyboardLayout = layout;
}
void Redraw()
{
// Can be errors during slideshow, so if we get one then cancel it.
try
{
NativeMethods.LockWindowUpdate(this.Handle);
}
catch (ObjectDisposedException)
{
_cancelSlideshow = true;
return;
}
FormToolTip.RemoveAll();
FormToolTip.SetToolTip(KeyboardListCombo, "Change the displayed keyboard");
// Need to make sure these dispose as they have bitmap resources, so not using Controls.Clear()
// as it didn't release them properly..
for (int i = this.KeyboardPanel.Controls.Count - 1; i >= 0; i--)
{
this.KeyboardPanel.Controls[i].Dispose();
}
// Start in the top left corner..
int left = _paddingWidth;
int top = _paddingWidth + this.menu.Height;
int numpadleft = 0;
int navleft = 0;
float mainkeywidth = (14.5F * (_keySize + _paddingWidth)) + (_paddingWidth * 2);
float navwidth = ((_keySize + _paddingWidth) * 3);
// Work out how far back the number pad extends
if (_hasNumberPad)
{
numpadleft = (int)Math.Round(this.ClientSize.Width - (((_keySize + _paddingWidth) * 4.2)), 0);
// Nav controls are three wide and they have to fit midway in the
// gap between the end of the main body and the numberpad.
navleft = (int)Math.Round((mainkeywidth + ((numpadleft - mainkeywidth - navwidth) / 2)), 0);
}
else
{
// Work out how far back the navkeys extend instead:
navleft = (int)Math.Round(this.ClientSize.Width - (((_keySize + _paddingWidth) * 3.2)), 0);
}
KeyboardLayoutType desiredlayout = AppController.KeyboardLayout;
PhysicalKeyboardLayout kl = PhysicalKeyboardLayout.GetPhysicalLayout(desiredlayout, _isMacKeyboard);
_rowTerminators = PhysicalKeyboardLayout.GetRowTerminators(desiredlayout);
if (_keysOnly == false)
{
// Function keys.
DrawRow(kl.FunctionKeys, left, top);
// Utility Keys
if (_hasNumberPad == false || desiredlayout == KeyboardLayoutType.US)
{
DrawRow(kl.UtilityKeys, navleft, top);
}
else
{
// Shunt keys along one key-width (plus padding) for UK layout so they right-justify
DrawRow(kl.UtilityKeys, numpadleft + (int)Math.Round(_keySize, 0) + _paddingWidth, top);
}
// To get a spacer row between the F keys: add double padding
top += (int)Math.Round(_keySize + (_paddingWidth * 2), 0);
}
// TypewriterKeys keys
DrawRow(kl.TypewriterKeys, left, top);
if (_keysOnly == false)
{
// Navigation - Insert, Home, End etc
DrawRow(kl.NavigationKeys, navleft, top);
// Number pad
if (_hasNumberPad)
{
DrawRow(kl.NumberPadKeys, numpadleft, top);
}
// Skip down and back for arrow keys
top += (int)Math.Round((_keySize + _paddingWidth) * 3, 0);
DrawRow(kl.ArrowKeys, navleft, top);
}
// Need to establish what the keys really are.. should know but it doesn't hurt to check,
// especially as it went out of kilter at least once in development.
_isCapsLockOn = Form.IsKeyLocked(Keys.CapsLock); // KeyboardHelper.IsKeySet(KeyboardHelper.ToggleKey.CapsLock);
_isNumLockOn = Form.IsKeyLocked(Keys.NumLock); // .IsKKeyboardHelper.IsKeySet(KeyboardHelper.ToggleKey.NumLock);
_isScrollLockOn = Form.IsKeyLocked(Keys.Scroll); // KeyboardHelper.IsKeySet(KeyboardHelper.ToggleKey.ScrollLock);
SetStatusLabelsText();
SetMenuButtonStates();
NativeMethods.LockWindowUpdate(IntPtr.Zero);
}
