bool CGUIDialogKaraokeSongSelector::OnAction(const CAction & action)
{
CLog::Log( LOGDEBUG, "CGUIDialogKaraokeSongSelector::OnAction %d" , action.GetID());
if ( GetKeyNumber( action.GetID() ) != -1 )
{
OnButtonNumeric( GetKeyNumber( action.GetID() ) );
return true;
}
switch(action.GetID())
{
case ACTION_SELECT_ITEM:
OnButtonSelect();
break;
case ACTION_DELETE_ITEM:
case ACTION_BACKSPACE:
OnBackspace();
break;
}
return CGUIDialog::OnAction( action );
}
/// Used for getting text. This will be local translated language key codes?
int UIInput::OnChar(int asciiCode)
{
bool isActive = (state & UIState::ACTIVE);
assert(inputActive == isActive);
if (!this->inputActive)
return 0;
/// Make sure the buffer period has passed ^^
/* clock_t currentTime = clock();
if (currentTime < textInputStartTime + 10) /// 100 ms delay before input can be done o-o
return;
*/
// NOTE: Caret is visualized as being right behind the new letter, or right after the letter being added.
// So caret 3 in the word Ashwood would be: Ash|wood
// Backspace
if (asciiCode == 0x08){
OnBackspace();
return 0;
}
/// If control is held, only evaluate it as a special command.
if (InputMan.KeyPressed(KEY::CTRL))
{
switch(asciiCode)
{
/// Generated by CTRL+A on windows.. o.O "Start of heading"
case 1:
{
std::cout<<"ERKA:REKA";
// Select all text! o.o
editText.SelectAll();
OnTextUpdated();
break;
}
case 'A':
case 'a':
{
std::cout<<"ERKA:REKA";
break;
}
}
return 0;
}
// Escape, cancel input
else if (asciiCode == 0x1B)
{
// And restore old string!
editText = previousText;
StopInput();
return 0;
}
else {
#define _DEBUG_ASCII
/// Ignore crap letters
switch(asciiCode){
case 0:
case 4: // End of transmission, not the same as ETB
case 13: // Vertical tab, whatever that is
case 19: // XOFF, with XON is TERM=18 flow control
case 22: // Synchrous idle, CTRL+V, dunno..
#ifdef _DEBUG_ASCII
// std::cout<<"\nSkipping crap letters.. :3";
#endif
return 0;
default:
#ifdef _DEBUG_ASCII
// std::cout<<"\nAsciiCode: "<<(int)asciiCode<<" "<<(unsigned char)asciiCode;
#endif
break;
}
/// Accept only alpha-numeric + other accepted signs implemented in Expression
bool ok = false;
if (mathematicalExpressionsOnly)
{
if (isalnum(asciiCode))
ok = true;
switch(asciiCode)
{
case '.':
case ',':
case '(':
case ')':
case '*':
case '+':
case '-':
case '/':
case '%':
case '^':
ok = true;
break;
}
}
/// If only accept numbers, skip all except a few ascii..
else if (numbersOnly)
{
if (isdigit(asciiCode))
ok = true;
switch(asciiCode)
{
case '.':
case '-':
ok = true;
break;
}
}
/// No limit defined? Then automatically accept all characters.
else
{
ok = true;
}
if (!ok)
return 0;
/// If any text is selected, remove it and start inserting characters where it was.
if (editText.DeleteSelection())
caretPosition = editText.caretPosition;
String firstHalf = editText.Part(0, caretPosition);
String secondHalf = editText.Part(caretPosition);
editText = firstHalf + (char)asciiCode + secondHalf;
// inputBuffers[selectedInputBuffer][caretPosition] = asciiCode;
++caretPosition;
editText.caretPosition = caretPosition;
OnTextUpdated();
}
return 0;
}
bool
TouchTextEntry(TCHAR *text, size_t width,
const TCHAR *caption,
AllowedCharacters accb,
bool default_shift_state)
{
if (width == 0)
width = MAX_TEXTENTRY;
max_width = std::min(MAX_TEXTENTRY, width);
const DialogLook &look = UIGlobals::GetDialogLook();
WndForm form(look);
form.Create(UIGlobals::GetMainWindow(), caption);
form.SetKeyDownFunction(FormKeyDown);
form.SetCharacterFunction(FormCharacter);
ContainerWindow &client_area = form.GetClientAreaWindow();
const PixelRect rc = client_area.GetClientRect();
const PixelScalar client_height = rc.bottom - rc.top;
const PixelScalar padding = Layout::Scale(2);
const PixelScalar backspace_width = Layout::Scale(36);
const PixelScalar backspace_left = rc.right - padding - backspace_width;
const PixelScalar editor_height = Layout::Scale(22);
const PixelScalar editor_bottom = padding + editor_height;
const PixelScalar button_height = Layout::Scale(40);
constexpr unsigned keyboard_rows = 5;
const PixelScalar keyboard_top = editor_bottom + padding;
const PixelScalar keyboard_height = keyboard_rows * button_height;
const PixelScalar keyboard_bottom = keyboard_top + keyboard_height;
const bool vertical = client_height >= keyboard_bottom + button_height;
const PixelScalar button_top = vertical
? rc.bottom - button_height
: keyboard_bottom - button_height;
const PixelScalar button_bottom = vertical
? rc.bottom
: keyboard_bottom;
const PixelScalar ok_left = vertical ? 0 : padding;
const PixelScalar ok_right = vertical
? rc.right / 3
: ok_left + Layout::Scale(80);
const PixelScalar cancel_left = vertical
? ok_right
: Layout::Scale(175);
const PixelScalar cancel_right = vertical
? rc.right * 2 / 3
: cancel_left + Layout::Scale(60);
const PixelScalar clear_left = vertical
? cancel_right
: Layout::Scale(235);
const PixelScalar clear_right = vertical
? rc.right
: clear_left + Layout::Scale(50);
WndProperty _editor(client_area, look, _T(""),
{ 0, padding, backspace_left - padding, editor_bottom },
0, WindowStyle());
_editor.SetReadOnly();
editor = &_editor;
ButtonWindowStyle button_style;
button_style.TabStop();
WndButton ok_button(client_area, look.button, _("OK"),
{ ok_left, button_top, ok_right, button_bottom },
button_style, form, mrOK);
WndButton cancel_button(client_area, look.button, _("Cancel"),
{ cancel_left, button_top,
cancel_right, button_bottom },
button_style, form, mrCancel);
auto clear_listener = MakeLambdaActionListener([](unsigned id){
ClearText();
});
WndButton clear_button(client_area, look.button, _("Clear"),
{ clear_left, button_top,
clear_right, button_bottom },
button_style, clear_listener, 0);
KeyboardWidget keyboard(look.button, FormCharacter, !accb,
default_shift_state);
const PixelRect keyboard_rc = {
padding, keyboard_top,
rc.right - padding, keyboard_bottom
};
keyboard.Initialise(client_area, keyboard_rc);
keyboard.Prepare(client_area, keyboard_rc);
keyboard.Show(keyboard_rc);
kb = &keyboard;
auto backspace_listener = MakeLambdaActionListener([](unsigned id){
OnBackspace();
});
WndButton backspace_button(client_area, look.button, _T("<-"),
{ backspace_left, padding, rc.right - padding,
editor_bottom },
button_style, backspace_listener, 0);
AllowedCharactersCallback = accb;
cursor = 0;
ClearText();
if (!StringIsEmpty(text)) {
CopyString(edittext, text, width);
cursor = _tcslen(text);
}
UpdateTextboxProp();
bool result = form.ShowModal() == mrOK;
keyboard.Hide();
keyboard.Unprepare();
if (result) {
CopyString(text, edittext, width);
}
return result;
}
/// Used by input-captuing elements. Should not be called for any base UI elements(?)
int UIInput::OnKeyDown(int keyCode, bool downBefore)
{
bool isActive = (state & UIState::ACTIVE);
assert(inputActive == isActive);
if (!inputActive)
return 0;
int oldCaretPosition = editText.caretPosition;
bool moveCommand = false;
switch(keyCode)
{
case KEY::BACKSPACE: {
#ifndef WINDOWS
// Double trigger at the moment..
OnBackspace();
#endif
break;
}
case KEY::ESCAPE:
{
std::cout<<"\nCanceling input.";
editText = previousText;
// Make inactive.
StopInput();
break;
}
case KEY::ENTER: {
// Don't evaluate Enter and certain other keys if they were down before
if (downBefore)
return 0;
StopInput();
// Activate the messages this element had, if any. If using as a compound e.g. inside a StringInput, then this onTrigger may be omitted.
if (onTrigger.Length())
MesMan.QueueMessages(onTrigger, this);
else
{
}
/// Notify of the update to self and then parents, so that extra actions may be taken.
this->OnInputUpdated(this);
break;
}
// Delete
case KEY::DELETE_KEY:
{
// Delete selection if any
if (editText.DeleteSelection())
{
caretPosition = editText.caretPosition;
break;
}
String left = editText.Part(0, caretPosition);
String right = editText.Part(caretPosition+1);
editText = left + right;
// Update the text to render.
editText.caretPosition = caretPosition;
break;
}
case KEY::END:
caretPosition = editText.Length();
editText.caretPosition = caretPosition;
moveCommand = true;
break;
case KEY::HOME:
caretPosition = 0;
editText.caretPosition = caretPosition;
moveCommand = true;
break;
case KEY::UP:
{
parent->OnKeyDown(keyCode, downBefore);
break;
}
case KEY::DOWN:
{
parent->OnKeyDown(keyCode, downBefore);
break;
}
case KEY::LEFT:
if (caretPosition > 0)
{
if (InputMan.KeyPressed(KEY::CTRL))
{
caretPosition = editText.CaretPositionAtPreviousWord();
}
else {
--caretPosition;
}
// Update the text to render.
editText.caretPosition = caretPosition;
}
moveCommand = true;
break;
case KEY::RIGHT:
if (caretPosition < editText.Length())
{
if (InputMan.KeyPressed(KEY::CTRL))
{
caretPosition = editText.CaretPositionAtNextWord();
}
else {
++caretPosition;
}
// Update the text to render.
editText.caretPosition = caretPosition;
}
moveCommand = true;
break;
}
// If was trying to move..
if (moveCommand /*&& oldCaretPosition != editText.caretPosition*/)
{
if (!InputMan.KeyPressed(KEY::SHIFT))
{
// Reset the "previous caret"!
editText.previousCaretPosition = -1;
}
// But if shift is pressed, and the previous caret is -1, then set it!
else if (editText.previousCaretPosition == -1)
{
editText.previousCaretPosition = oldCaretPosition;
}
}
OnTextUpdated();
// Return from here no matter what now, since we don't want any hot-key
// whatsoever to be triggered while entering any input!
return 0;
}
