private void SetButtonStates()
{
// Which buttons should be enabled:
// Map button (aka UnMap, aka Set (for capture))
MapButton.Enabled =
(capturingFromKey && !map.IsEmpty()) ||
mapped ||
(capturingFromKey && map.IsValid()) ||
(selectingFromKeyFromLists && KeysByGroupListbox.SelectedIndex >= 0) ||
(capturingToKey && map.IsValid()) ||
(!disabled && !capturingToKey && KeysByGroupListbox.SelectedIndex >= 0);
// Capture buttons should only be enabled when form is not in mapped mode and not disabled
// and not capturing..
CaptureAndCancelButton.Enabled = (!mapped && !disabled && !capturingFromKey && !selectingFromKeyFromLists);
// Disabled button enabled when not mapped and not capturing.
DisableButton.Enabled = (!mapped && !capturingToKey && !capturingFromKey && !selectingFromKeyFromLists);
}
public AddEditMapping(KeyMapping map, bool useCapture)
{
InitializeComponent();
// There are four startup states for this form.
// 1) Choose a From key by capturing it
// 2) Choose a mapping for a specific From key
// 3) Display a given mapping From and To. Includes disabled.
// 4) Select a From key from the lists
// Map is a struct so it can't be null.
if (map.IsEmpty())
{
if (useCapture)
{
// We are capturing the 'from' key.
capturingFromKey = true;
}
else
{
selectingFromKeyFromLists = true;
}
}
else
{
mapped = (map.To.Scancode > 0);
disabled = (map.To.Scancode == 0);
}
newMapping = !map.IsValid();
this.map = map;
// Default has the KeyLists panel in the frame.
if (mapped | disabled)
{
SwopPanelPositions(KeyListsPanel, MappingPanel);
}
else if (capturingFromKey)
{
SwopPanelPositions(EmptyPanel, KeyListsPanel);
}
if (selectingFromKeyFromLists)
{
// Need to move the lists to the left where the box while remembering where it was
savedPanelLocation = KeyListsPanel.Location;
KeyListsPanel.Left = FromKeyPictureBox.Left;
keyThreshold = -1; // Show all keys as possible map-ees
}
else
{
keyThreshold = 1;
}
SetListOptionsComboIndex();
PopulateKeyLists();
// Add event handlers now values have been assigned
GroupsListbox.SelectedIndexChanged += GroupsListboxSelectedIndexChanged;
KeysByGroupListbox.SelectedIndexChanged += KeysByGroupListboxSelectedIndexChanged;
ListOptionsCombo.SelectedIndexChanged += ListOptionsComboSelectedIndexChanged;
KeysByGroupListbox.DoubleClick += KeysByGroupListboxDoubleClick;
SetupForm();
}