etqw-sdk/source/game/guis/UIEditHelper.h

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2008-05-29 00:00:00 +00:00
// Copyright (C) 2007 Id Software, Inc.
//
#ifndef __GAME_GUIS_USERINTERFACEEDITHELPER_H__
#define __GAME_GUIS_USERINTERFACEEDITHELPER_H__
template< class StrClass >
class sdClipboardConverter {
public:
static idWStr ToClipboard( const StrClass& toClipboard ) ;
static StrClass FromClipboard( const idWStr& clipboardText );
};
template<>
class sdClipboardConverter< idWStr > {
public:
static idWStr ToClipboard( const idWStr& toClipboard ) {
return toClipboard;
}
static idWStr FromClipboard( const idWStr& clipboardText ) {
return clipboardText;
}
};
template<>
class sdClipboardConverter< idStr > {
public:
static idWStr ToClipboard( const idStr& toClipboard ) {
return va( L"%hs", toClipboard.c_str() );
}
static idStr FromClipboard( const idWStr& clipboardText ) {
return va( "%ls", clipboardText.c_str() );
}
};
template< class CharType >
class sdCaseConverter {
public:
static CharType ToUpper( CharType c );
static CharType ToLower( CharType c );
};
template<>
class sdCaseConverter< wchar_t > {
public:
static wchar_t ToUpper( wchar_t c ) { return c; }
static wchar_t ToLower( wchar_t c ) { return c; }
};
template<>
class sdCaseConverter< char > {
public:
static char ToUpper( char c ) { return idStr::ToUpper( c ); }
static char ToLower( char c ) { return idStr::ToLower( c ); }
};
/*
============
sdTextLine
============
*/
class sdTextLine : public sdPoolAllocator< sdTextLine, sdPoolAllocator_DefaultIdentifier, 32 > {
public:
typedef idLinkList< sdTextLine > node_t;
sdTextLine( int start = 0, int end = 0, int cursor = -1 );
int GetCursor() const { return cursor; }
int GetStart() const { return start; }
int GetEnd() const { return end; }
int GetLength() const { return ( end - start ) + 1; }
int GetStringIndexForCursor() const;
bool HasCursor() const { return cursor >= 0 && cursor <= GetLength(); }
void SetCursorOnLine( int cursor );
sdTextLine* AdvanceCursor( int advance );
sdTextLine* MoveCursorUp();
sdTextLine* MoveCursorDown();
node_t& GetNode() { return node; }
const node_t& GetNode() const { return node; }
private:
void ClearCursor() { cursor = -1; }
private:
// start and end are both inclusive
// cursor is an offset in the string relative to start
int start;
int end;
int cursor;
node_t node;
};
/*
============
sdTextLine::sdTextLine
============
*/
ID_INLINE sdTextLine::sdTextLine( int start, int end, int cursor ) :
start( start ),
end( end ),
cursor( cursor ) {
node.SetOwner( this );
}
/*
============
sdTextLine::SetCursorOnLine
============
*/
ID_INLINE void sdTextLine::SetCursorOnLine( int cursor ) {
sdTextLine* line = GetNode().ListHead()->Next();
while( line != NULL ) {
line->ClearCursor();
line = line->GetNode().Next();
}
this->cursor = idMath::ClampInt( 0, GetNode().Next() == NULL ? GetLength() - 1 : GetLength(), cursor );
}
/*
============
sdTextLine::AdvanceCursor
============
*/
ID_INLINE sdTextLine* sdTextLine::AdvanceCursor( int advance ) {
assert( HasCursor() );
sdTextLine* newLine = this;
int newCursor = cursor + advance;
int newTextCursor = start + newCursor;
if( advance < 0 ) {
// move to the previous line if necessary
if( newTextCursor < start ) {
if( node.Prev() != NULL ) {
node.Prev()->SetCursorOnLine( node.Prev()->GetLength() );
if( newTextCursor == start - 1 ) {
newLine = node.Prev();
} else {
newLine = node.Prev()->AdvanceCursor( newTextCursor - start );
}
} else {
SetCursorOnLine( 0 );
}
} else {
SetCursorOnLine( newCursor );
}
} else if( advance > 0 ) {
// move to the next line if necessary
// catch the case where the move is exactly to the end of the line
if( newTextCursor > end && newTextCursor != end + 1 ) {
if( node.Next() != NULL ) {
node.Next()->SetCursorOnLine( 0 );
int advanceLocal = newTextCursor - node.Next()->start;
newLine = node.Next()->AdvanceCursor( advanceLocal );
} else {
SetCursorOnLine( GetLength() - 1 );
}
} else {
SetCursorOnLine( newCursor );
}
}
return newLine;
}
/*
============
sdTextLine::MoveCursorUp
============
*/
ID_INLINE sdTextLine* sdTextLine::MoveCursorUp() {
assert( HasCursor() );
sdTextLine* prev = GetNode().Prev();
if( prev == NULL ) {
return this;
}
int cursorOffset = Min( prev->GetLength(), GetCursor() );
prev->SetCursorOnLine( cursorOffset );
return prev;
}
/*
============
sdTextLine::MoveCursorDown
============
*/
ID_INLINE sdTextLine* sdTextLine::MoveCursorDown() {
assert( HasCursor() );
sdTextLine* next = GetNode().Next();
if( next == NULL ) {
return this;
}
int cursorOffset = Min( next->GetLength(), GetCursor() );
next->SetCursorOnLine( cursorOffset );
return next;
}
/*
============
sdTextLine::GetStringIndexForCursor
============
*/
ID_INLINE int sdTextLine::GetStringIndexForCursor() const {
assert( HasCursor() );
return start + cursor;
}
/*
============
sdUIEditHelper
============
*/
template < class UIEditClass, class StrClass, typename CharType >
class sdUIEditHelper {
public:
class sdUIEditEvent {
public:
enum type_e {
EE_DRAG_MOVE,
EE_MOUSE,
EE_SELECT_CANCEL,
EE_SELECT_ALL,
EE_MOVE_CURSOR,
EE_BACKSPACE,
EE_DELETE,
EE_UNDO,
EE_CLEAR,
EE_COPY,
EE_CUT,
EE_PASTE,
EE_CHAR,
EE_NEWLINE,
EE_INSERT_TEXT,
EE_COMPOSITION_CURSOR_SET,
EE_COMPOSITION_COMMIT
};
enum flags_e {
EF_SHIFT_PRESSED = BITT< 0 >::VALUE,
EF_CTRL_PRESSED = BITT< 1 >::VALUE
};
sdUIEditEvent() :
dataSize( 0 ),
data( NULL ) {
}
~sdUIEditEvent() {
FreeData();
}
void Init( type_e type, int value = 0, int value2 = 0, int value3 = 0, int value4 = 0, int flags = 0, size_t dataSize = 0, void* data = NULL ) {
FreeData();
this->type = type;
this->value = value;
this->value2 = value2;
this->value3 = value3;
this->value4 = value4;
this->flags = flags;
this->dataSize = dataSize;
this->data = data;
node.SetOwner( this );
}
void FreeData() {
Mem_Free( data );
data = NULL;
dataSize = 0;
}
type_e GetType() const { return type; }
idLinkList< sdUIEditEvent >& GetNode() { return node; }
// flags
bool ShiftPressed() const { return ( flags & EF_SHIFT_PRESSED ) != 0; }
bool CtrlPressed() const { return ( flags & EF_CTRL_PRESSED ) != 0; }
// EE_DRAG_MOVE, EE_MOUSE
float GetCursorX() const { return *reinterpret_cast<const float *>( &value3 ); }
float GetCursorY() const { return *reinterpret_cast<const float *>( &value4 ); }
// EE_MOUSE
mouseButton_t GetMouseButton() const { return static_cast< mouseButton_t >( value ); }
bool IsButtonDown() const { return ( value2 & 0x1 ) != 0; }
// EE_MOVE_CURSOR
enum cursoreMoveOp_e {
MC_HOME,
MC_END,
MC_UP,
MC_DOWN,
MC_RIGHT,
MC_LEFT,
MC_PAGE_UP,
MC_PAGE_DOWN
};
cursoreMoveOp_e GetCursorMoveOp() const { return static_cast< cursoreMoveOp_e >( value ); }
// EE_CHAR
CharType GetChar( void ) const { return static_cast< CharType >( value ); }
// EE_INSERT_TEXT, EE_COMPOSITION_COMMIT
const CharType* GetText() const { return reinterpret_cast< const CharType* >( data ); }
protected:
type_e type;
int value;
int value2;
int value3;
int value4;
int flags;
size_t dataSize; // bytes of data pointed to by data
void* data; // this must be manually freed if not NULL
idLinkList< sdUIEditEvent > node;
};
public:
static const int MAX_TEXT_LENGTH = 1024; // keep users from causing an allocation failure by pasting an excessive number of characters into an uncapped dialog
sdUIEditHelper();
~sdUIEditHelper();
void Init( UIEditClass* parent );
bool PostEvent( bool retVal, const sdSysEvent* event );
void DrawLocal();
void DrawText( const idVec4& color );
void OnGainFocus();
void ApplyLayout();
void MakeTextDirty() { textDirty = true; }
void TextChanged();
void ClearText();
void InsertText( const CharType* text );
void SurroundSelection( const CharType* prefix, const CharType* suffix );
bool GetSelectionRange( int& start, int& end ) const;
void SelectAll();
void QueueEvent( typename sdUIEditEvent::type_e type, int value = 0, int value2 = 0, int value3 = 0, int value4 = 0, int flags = 0, size_t dataSize = 0, void* data = NULL );
private:
int EraseSelection();
bool SelectionActive() const { return currentLine->GetStringIndexForCursor() != selectionStart && selectionStart != -1; }
void CancelSelection() { selectionStart = -1; }
void SaveUndo() { undoText = parent->editText; undoCursorPosition = currentLine->GetStringIndexForCursor(); undoAvailable = true; }
void Undo() { if( undoAvailable ) { parent->editText = undoText; currentLine = lines.Next(); currentLine = currentLine->AdvanceCursor( undoCursorPosition ); CursorChanged(); undoCursorPosition = -1; undoAvailable = false; } }
void MoveLeft();
void MoveRight();
void UpdateIndexByColorCodes( int start, int& index );
int GetMaxTextLength() { return ( parent->maxTextLength <= 0.0f ) ? MAX_TEXT_LENGTH : idMath::Ftoi( parent->maxTextLength.GetValue() ); }
void GetVisibleLines( sdTextLine*& firstVisible, sdTextLine*& lastVisible ) const;
sdTextLine* GetLineForPosition( const sdBounds2D& rect, const idVec2& pos ) const;
void CursorChanged( bool adjustVScroll = true );
bool CaptureChar( const CharType ch );
void InsertChar( CharType ch, int& cursorMove );
void DoInsertText( const CharType* text );
void ClearLines();
bool IsFirstLine() const { return currentLine == lines.Next(); }
bool IsLastLine() const { return currentLine == lines.Prev(); }
int GetCurrentLineIndex() const;
void FreeEvent( const sdUIEditEvent* ev );
const sdUIEditEvent* GetEvent();
void ProcessEvent( const sdUIEditEvent& ev );
void RunEventLoop();
private:
UIEditClass* parent;
// cursor
idVec2 cursorDrawPosition;
int cursorDrawTime;
bool drawCursor;
// composing
int compositionCursor;
// selection/scrolling
int selectionStart;
float drawOffset;
int mouseDownCursorPosition;
idVec2 mouseClick;
// undo
int undoCursorPosition;
StrClass undoText;
bool undoAvailable;
bool lastEventWasCharacter;
idWStr localText;
sdTextLine* currentLine;
int cursorMove;
sdTextDimensionHelper tdh;
idListGranularityOne< int > lineBreaks;
sdTextLine::node_t lines;
idLinkList< sdUIEditEvent > eventQueue;
idBlockAlloc< sdUIEditEvent, 16 > eventAllocator;
bool textDirty;
static const int CURSOR_FLASH_TIME = 400;
};
/*
============
sdUIEditHelper::sdUIEditHelper
============
*/
template < class UIEditClass, class StrClass, typename CharType >
sdUIEditHelper< UIEditClass, StrClass, CharType >::sdUIEditHelper() :
compositionCursor( -1 ),
selectionStart( -1 ),
drawOffset( 0.0f ),
cursorDrawPosition( vec2_zero ),
undoAvailable( false ),
undoCursorPosition( 0 ),
mouseClick( -1.0f, -1.0f ),
mouseDownCursorPosition( -1 ),
lastEventWasCharacter( false ),
cursorDrawTime( 0 ),
drawCursor( true ),
cursorMove( 0 ),
currentLine( new sdTextLine( 0, 0, 0 ) ),
textDirty( false ) {
currentLine->GetNode().AddToEnd( lines );
}
/*
============
sdUIEditHelper::~sdUIEditHelper
============
*/
template < class UIEditClass, class StrClass, typename CharType >
sdUIEditHelper< UIEditClass, StrClass, CharType >::~sdUIEditHelper() {
ClearLines();
}
/*
============
sdUIEditHelper::ClearLines
============
*/
template < class UIEditClass, class StrClass, typename CharType >
void sdUIEditHelper< UIEditClass, StrClass, CharType >::ClearLines() {
while( !lines.IsListEmpty() ) {
delete lines.Next();
}
}
/*
============
sdUIEditHelper::Init
============
*/
template < class UIEditClass, class StrClass, typename CharType >
void sdUIEditHelper< UIEditClass, StrClass, CharType >::Init( UIEditClass* parent ) {
this->parent = parent;
TextChanged();
}
/*
============
sdUIEditHelper::PostEvent
============
*/
template < class UIEditClass, class StrClass, typename CharType >
bool sdUIEditHelper< UIEditClass, StrClass, CharType >::PostEvent( bool retVal, const sdSysEvent* event ) {
bool shiftPressed = keyInputManager->IsDown( K_SHIFT ) || keyInputManager->IsDown( K_RIGHT_SHIFT );
bool ctrlPressed = keyInputManager->IsDown( K_CTRL ) || keyInputManager->IsDown( K_RIGHT_CTRL );
int flags = ( shiftPressed ? sdUIEditEvent::EF_SHIFT_PRESSED : 0 ) | ( ctrlPressed ? sdUIEditEvent::EF_CTRL_PRESSED : 0 );
if ( event->IsMouseEvent() ) {
QueueEvent( sdUIEditEvent::EE_DRAG_MOVE, 0, 0, *reinterpret_cast<const int *>( &parent->GetUI()->cursorPos.GetValue().x ), *reinterpret_cast<const int *>( &parent->GetUI()->cursorPos.GetValue().y ) );
} else if ( event->IsMouseButtonEvent() && parent->GetUI()->IsFocused( parent ) ) {
QueueEvent( sdUIEditEvent::EE_MOUSE, event->GetMouseButton(), event->IsButtonDown(), *reinterpret_cast<const int *>( &parent->GetUI()->cursorPos.GetValue().x ), *reinterpret_cast<const int *>( &parent->GetUI()->cursorPos.GetValue().y ), flags );
mouseButton_t mb = event->GetMouseButton();
switch( mb ) {
case M_MOUSE1: // FALL THROUGH
case M_MOUSE2: // FALL THROUGH
case M_MOUSE3: // FALL THROUGH
case M_MOUSE4: // FALL THROUGH
case M_MOUSE5: // FALL THROUGH
case M_MOUSE6: // FALL THROUGH
case M_MOUSE7: // FALL THROUGH
case M_MOUSE8:
case M_MOUSE9:
case M_MOUSE10:
case M_MOUSE11:
case M_MOUSE12:
retVal = true;
break;
case M_MWHEELUP:
if ( parent->TestFlag( UIEditClass::EF_MULTILINE ) ) {
retVal = true;
}
if ( parent->TestFlag( sdUIWindow::WF_CAPTURE_KEYS ) ) {
retVal = true;
}
break;
case M_MWHEELDOWN:
if ( parent->TestFlag( UIEditClass::EF_MULTILINE ) ) {
retVal = true;
}
if ( parent->TestFlag( sdUIWindow::WF_CAPTURE_KEYS ) ) {
retVal = true;
}
break;
}
} else if ( event->IsKeyEvent() && parent->GetUI()->IsFocused( parent ) ) {
keyNum_t key = event->GetKey();
if ( event->IsKeyDown() ) {
switch( key ) {
case K_ESCAPE:
QueueEvent( sdUIEditEvent::EE_SELECT_CANCEL );
retVal = true;
break;
case K_HOME:
QueueEvent( sdUIEditEvent::EE_MOVE_CURSOR, sdUIEditEvent::MC_HOME, 0, 0, 0, flags );
retVal = true;
break;
case K_END:
QueueEvent( sdUIEditEvent::EE_MOVE_CURSOR, sdUIEditEvent::MC_END, 0, 0, 0, flags );
retVal = true;
break;
case K_UPARROW:
QueueEvent( sdUIEditEvent::EE_MOVE_CURSOR, sdUIEditEvent::MC_UP, 0, 0, 0, flags );
retVal = true;
break;
case K_DOWNARROW:
QueueEvent( sdUIEditEvent::EE_MOVE_CURSOR, sdUIEditEvent::MC_DOWN, 0, 0, 0, flags );
retVal = true;
break;
case K_RIGHTARROW:
QueueEvent( sdUIEditEvent::EE_MOVE_CURSOR, sdUIEditEvent::MC_RIGHT, 0, 0, 0, flags );
retVal = true;
break;
case K_LEFTARROW:
QueueEvent( sdUIEditEvent::EE_MOVE_CURSOR, sdUIEditEvent::MC_LEFT, 0, 0, 0, flags );
retVal = true;
break;
case K_PGUP:
if ( parent->TestFlag( UIEditClass::EF_MULTILINE ) ) {
QueueEvent( sdUIEditEvent::EE_MOVE_CURSOR, sdUIEditEvent::MC_PAGE_UP );
}
break;
case K_PGDN:
if ( parent->TestFlag( UIEditClass::EF_MULTILINE ) ) {
QueueEvent( sdUIEditEvent::EE_MOVE_CURSOR, sdUIEditEvent::MC_PAGE_DOWN );
}
break;
case K_DEL:
if ( parent->readOnly == 0.0f ) {
QueueEvent( sdUIEditEvent::EE_DELETE );
}
retVal = true;
break;
default:
break;
}
}
} else if( !parent->readOnly ) {
if ( ( event->IsCharEvent() ) && parent->GetUI()->IsFocused( parent ) ) {
// EE_CHAR + ch + ctrlPressed
CharType ch = event->GetChar();
if ( ch == '\r' ) {
ch = '\n';
}
#define TO_CTRL( character ) ( ( ( character ) - 'a' ) + 1 )
switch ( ch ) {
// ctrl-A through ctrl-Z map to ASCII characters 1 through 26
case TO_CTRL( 'z' ):
// Ctrl+Z = Undo
QueueEvent( sdUIEditEvent::EE_UNDO );
retVal = true;
break;
case TO_CTRL( 'l' ):
// Ctrl+L = Clear
QueueEvent( sdUIEditEvent::EE_CLEAR );
retVal = true;
break;
case TO_CTRL( 'a' ):
// Ctrl+A = Select All
QueueEvent( sdUIEditEvent::EE_SELECT_ALL );
retVal = true;
break;
case TO_CTRL( 'c' ):
case TO_CTRL( 'x' ):
// Ctrl+C = Copy, Ctrl+X = Cut
QueueEvent( sdUIEditEvent::EE_COPY );
if ( TO_CTRL( 'x' ) == ch ) {
QueueEvent( sdUIEditEvent::EE_CUT );
}
retVal = true;
break;
case TO_CTRL( 'v' ):
// Ctrl+V = Paste
QueueEvent( sdUIEditEvent::EE_PASTE );
retVal = true;
break;
case TO_CTRL( 'h' ):
// Ctrl+H = Backspace
if ( parent->readOnly == 0.0f ) {
QueueEvent( sdUIEditEvent::EE_BACKSPACE );
}
retVal = true;
break;
default:
if ( CaptureChar( ch ) ) {
QueueEvent( sdUIEditEvent::EE_CHAR, ch );
retVal = true;
}
break;
#undef TO_CTRL
}
}
} else if ( event->IsGuiEvent() ) {
if ( event->GetGuiAction() == ULI_MENU_NEWLINE ) {
// EE_NEWLINE
if ( CaptureChar( '\n' ) ) {
QueueEvent( sdUIEditEvent::EE_NEWLINE );
retVal = true;
}
}
if ( parent->TestFlag( sdUIWindow::WF_CAPTURE_KEYS ) ) {
retVal = true;
}
}
if ( !event->IsMouseEvent() && !event->IsMouseButtonEvent() ) {
if ( parent->TestFlag( sdUIWindow::WF_CAPTURE_KEYS ) && ( ( event->GetKey() < K_F1 || event->GetKey() > K_F15 ) || event->IsGuiEvent() ) ) {
retVal = true;
}
}
return retVal;
}
/*
============
sdUIEditHelper::DrawLocal
============
*/
template < class UIEditClass, class StrClass, typename CharType >
void sdUIEditHelper< UIEditClass, StrClass, CharType >::ProcessEvent( const sdUIEditEvent& ev ) {
switch ( ev.GetType() ) {
case sdUIEditEvent::EE_DRAG_MOVE: {
if ( mouseDownCursorPosition != -1 ) {
if ( !SelectionActive() ) {
selectionStart = currentLine->GetStringIndexForCursor();
}
mouseClick.x = ev.GetCursorX();
mouseClick.y = ev.GetCursorY();
CursorChanged();
}
break;
}
case sdUIEditEvent::EE_MOUSE: {
mouseButton_t mb = ev.GetMouseButton();
if ( !ev.IsButtonDown() ) {
switch ( mb ) {
case M_MOUSE1: // FALL THROUGH
case M_MOUSE2: // FALL THROUGH
case M_MOUSE3: // FALL THROUGH
case M_MOUSE4: // FALL THROUGH
case M_MOUSE5: // FALL THROUGH
case M_MOUSE6: // FALL THROUGH
case M_MOUSE7: // FALL THROUGH
case M_MOUSE8:
case M_MOUSE9:
case M_MOUSE10:
case M_MOUSE11:
case M_MOUSE12:
mouseDownCursorPosition = -1;
break;
}
} else {
switch ( mb ) {
case M_MOUSE1: // FALL THROUGH
case M_MOUSE2: // FALL THROUGH
case M_MOUSE3: // FALL THROUGH
case M_MOUSE4: // FALL THROUGH
case M_MOUSE5: // FALL THROUGH
case M_MOUSE6: // FALL THROUGH
case M_MOUSE7: // FALL THROUGH
case M_MOUSE8:
case M_MOUSE9:
case M_MOUSE10:
case M_MOUSE11:
case M_MOUSE12:
if ( !ev.ShiftPressed() && SelectionActive() ) {
CancelSelection();
}
mouseDownCursorPosition = currentLine->GetStringIndexForCursor();
mouseClick.x = ev.GetCursorX();
mouseClick.y = ev.GetCursorY();
CursorChanged();
break;
case M_MWHEELUP: {
sdTextLine* firstVisible = NULL;
sdTextLine* lastVisible = NULL;
GetVisibleLines( firstVisible, lastVisible );
if ( parent->scrollAmount.GetValue().y < 0.0f ) {
float amount = idMath::ClampInt( -parent->scrollAmountMax, 0.0f, parent->scrollAmount.GetValue().y + tdh.GetLineHeight() );
parent->scrollAmount.SetIndex( 1, amount );
CursorChanged( false );
}
break;
}
case M_MWHEELDOWN: {
sdTextLine* firstVisible = NULL;
sdTextLine* lastVisible = NULL;
GetVisibleLines( firstVisible, lastVisible );
if ( firstVisible != lastVisible ) {
float amount = idMath::ClampFloat( -parent->scrollAmountMax, 0.0f, parent->scrollAmount.GetValue().y - tdh.GetLineHeight() );
parent->scrollAmount.SetIndex( 1, amount );
CursorChanged( false );
}
break;
}
}
}
break;
}
case sdUIEditEvent::EE_SELECT_CANCEL: {
CancelSelection();
break;
}
case sdUIEditEvent::EE_MOVE_CURSOR: {
switch ( ev.GetCursorMoveOp() ) {
case sdUIEditEvent::MC_HOME:
if ( !ev.ShiftPressed() ) {
CancelSelection();
} else if ( !SelectionActive() ) {
selectionStart = currentLine->GetStringIndexForCursor();
}
if ( ev.CtrlPressed() || lineBreaks.Num() == 0 ) {
currentLine = lines.Next();
parent->scrollAmount = vec2_zero;
}
currentLine->SetCursorOnLine( 0 );
CursorChanged();
break;
case sdUIEditEvent::MC_END:
if ( !ev.ShiftPressed() ) {
CancelSelection();
} else if ( !SelectionActive() ) {
selectionStart = currentLine->GetStringIndexForCursor();
}
if ( ev.CtrlPressed() || lineBreaks.Num() == 0 ) {
currentLine = lines.Next();
currentLine->SetCursorOnLine( 0 );
currentLine = currentLine->AdvanceCursor( parent->editText.GetValue().Length() );
} else {
currentLine->SetCursorOnLine( currentLine->GetLength() );
}
CursorChanged();
break;
case sdUIEditEvent::MC_UP:
if ( !ev.ShiftPressed() ) {
if ( parent->TestFlag( UIEditClass::EF_MULTILINE ) == true ) {
CancelSelection();
}
} else if ( !SelectionActive() ) {
selectionStart = currentLine->GetStringIndexForCursor();
}
currentLine = currentLine->MoveCursorUp();
CursorChanged();
break;
case sdUIEditEvent::MC_DOWN:
if ( !ev.ShiftPressed() ) {
if( parent->TestFlag( UIEditClass::EF_MULTILINE ) == true ) {
CancelSelection();
}
} else if ( !SelectionActive() ) {
selectionStart = currentLine->GetStringIndexForCursor();
}
currentLine = currentLine->MoveCursorDown();
CursorChanged();
break;
case sdUIEditEvent::MC_RIGHT:
if ( !ev.ShiftPressed() ) {
CancelSelection();
} else if ( !SelectionActive() ) {
selectionStart = currentLine->GetStringIndexForCursor();
}
MoveRight();
break;
case sdUIEditEvent::MC_LEFT:
if ( !ev.ShiftPressed() ) {
CancelSelection();
} else if ( !SelectionActive() ) {
selectionStart = currentLine->GetStringIndexForCursor();
}
MoveLeft();
break;
case sdUIEditEvent::MC_PAGE_UP: {
sdBounds2D drawRect = parent->GetDrawRect();
float pageSize = drawRect.GetHeight();
float amount = idMath::ClampFloat( -parent->scrollAmountMax, 0.0f, parent->scrollAmount.GetValue().y + pageSize );
parent->scrollAmount.SetIndex( 1, amount );
CursorChanged( false );
break;
}
case sdUIEditEvent::MC_PAGE_DOWN: {
sdBounds2D drawRect = parent->GetDrawRect();
float pageSize = drawRect.GetHeight();
float amount = idMath::ClampFloat( -parent->scrollAmountMax, 0.0f, parent->scrollAmount.GetValue().y - pageSize );
parent->scrollAmount.SetIndex( 1, amount );
CursorChanged( false );
break;
}
}
break;
}
case sdUIEditEvent::EE_BACKSPACE: {
SaveUndo();
int index = currentLine->GetStringIndexForCursor();
if ( !SelectionActive() ) {
// the cursor is at the very end
if( index >= parent->editText.GetValue().Length() ) {
StrClass temp = parent->editText.GetValue().Mid( 0, parent->editText.GetValue().Length() - 1 );
parent->editText = temp;
} else {
cursorMove += Max( 0, index - 1 ) - index;
StrClass temp = parent->editText.GetValue().Mid( 0, index + cursorMove );
temp += parent->editText.GetValue().Mid( index, parent->editText.GetValue().Length() - index );
parent->editText = temp;
}
} else {
EraseSelection();
if ( selectionStart < index ) {
cursorMove += selectionStart - index;
}
}
lastEventWasCharacter = false;
CancelSelection(); // collapse the selection after the deletion
break;
}
case sdUIEditEvent::EE_DELETE: {
SaveUndo();
int index = currentLine->GetStringIndexForCursor();
if ( !SelectionActive() ) {
StrClass temp = parent->editText.GetValue().Mid( 0, index );
temp += parent->editText.GetValue().Mid( index + 1, parent->editText.GetValue().Length() - index - 1 );
parent->editText = temp;
} else {
EraseSelection();
if ( selectionStart < index ) {
cursorMove += selectionStart - index;
}
}
lastEventWasCharacter = false;
CancelSelection(); // collapse the selection after the deletion
break;
}
case sdUIEditEvent::EE_UNDO: {
Undo();
break;
}
case sdUIEditEvent::EE_CLEAR: {
parent->ClearText();
cursorMove += -currentLine->GetStringIndexForCursor();
break;
}
case sdUIEditEvent::EE_SELECT_ALL: {
SelectAll();
break;
}
case sdUIEditEvent::EE_COPY: {
if ( SelectionActive() ) {
int selStart;
int selEnd;
GetSelectionRange( selStart, selEnd );
StrClass selectionText = parent->editText.GetValue().Mid( selStart, selEnd - selStart );
idWStr clipboardText;
if ( parent->password ) {
clipboardText.Fill( L'*', selectionText.Length() );
} else {
clipboardText = sdClipboardConverter< StrClass >::ToClipboard( selectionText );
}
sys->SetClipboardData( clipboardText.c_str() );
}
break;
}
case sdUIEditEvent::EE_CUT: {
SaveUndo();
EraseSelection();
if ( selectionStart < currentLine->GetStringIndexForCursor() ) {
cursorMove += selectionStart - currentLine->GetStringIndexForCursor();
}
CancelSelection();
break;
}
case sdUIEditEvent::EE_PASTE: {
SaveUndo();
idWStr pasteText = sys->GetClipboardData();
pasteText.Replace( L"\b", L"" );
pasteText.Replace( L"\t", L"" );
pasteText.Replace( L"\r", L"" );
if ( pasteText.Length() ) {
int numErased = 0;
if ( SelectionActive() ) {
numErased = EraseSelection();
}
int selStart;
int selEnd;
GetSelectionRange( selStart, selEnd );
StrClass clipboardTemp( sdClipboardConverter< StrClass >::FromClipboard( pasteText ) );
StrClass temp = parent->editText;
temp.Insert( clipboardTemp.c_str(), selEnd - numErased );
if ( parent->maxTextLength == 0.0f || temp.LengthWithoutColors() <= parent->maxTextLength ) {
if ( parent->TestFlag( UIEditClass::EF_UPPERCASE ) ) {
for ( int i = 0; i < temp.Length(); i++ ) {
temp[ i ] = sdCaseConverter< CharType >::ToUpper( temp[ i ] );
}
}
parent->editText = temp;
CancelSelection();
cursorMove += pasteText.Length();
}
}
break;
}
case sdUIEditEvent::EE_CHAR: {
CharType ch = ev.GetChar();
StrClass temp = parent->editText;
int selStart;
int selEnd;
GetSelectionRange( selStart, selEnd );
if ( selStart < selEnd ) {
temp.EraseRange( selStart, selEnd - selStart );
}
temp.Insert( ch, currentLine->GetStringIndexForCursor() - ( selEnd - selStart ) );
if ( parent->maxTextLength == 0.0f || temp.LengthWithoutColors() <= parent->maxTextLength ) {
InsertChar( ch, cursorMove );
}
break;
}
case sdUIEditEvent::EE_NEWLINE: {
InsertChar( '\n', cursorMove );
break;
}
default:
break;
}
switch ( ev.GetType() ) {
case sdUIEditEvent::EE_INSERT_TEXT: {
DoInsertText( ev.GetText() );
break;
}
case sdUIEditEvent::EE_COMPOSITION_CURSOR_SET: {
compositionCursor = currentLine->GetStringIndexForCursor();
break;
}
case sdUIEditEvent::EE_COMPOSITION_COMMIT: {
if ( compositionCursor != -1 ) {
// commit composition text
currentLine = lines.Next();
currentLine->SetCursorOnLine( 0 );
currentLine = currentLine->AdvanceCursor( compositionCursor );
compositionCursor += StrClass::Length( ev.GetText() );
DoInsertText( ev.GetText() );
}
break;
}
default: {
if ( cursorMove != 0 && !ev.ShiftPressed() && SelectionActive() ) {
CancelSelection();
}
break;
}
}
if ( textDirty ) {
TextChanged();
}
}
/*
============
sdUIEditHelper::DrawLocal
============
*/
template < class UIEditClass, class StrClass, typename CharType >
void sdUIEditHelper< UIEditClass, StrClass, CharType >::DrawLocal() {
sdBounds2D rect = parent->GetDrawRect();
rect.GetMins() += parent->scrollAmount;
int textLength = localText.Length();
int now = parent->GetUI()->GetCurrentTime();
// Draw cursor
if ( parent->GetUI()->IsFocused( parent ) ) {
if( now > cursorDrawTime ) {
drawCursor = !drawCursor;
cursorDrawTime = now + CURSOR_FLASH_TIME;
}
if ( drawCursor ) {
float x = cursorDrawPosition.x;
float y = cursorDrawPosition.y;
float w = parent->cursor.width;
float h = tdh.GetLineHeight() ? tdh.GetLineHeight() : parent->cursor.height;
// highlight whole cursor text if present
const wchar_t* cursorText = parent->GetCursorText();
if ( *cursorText != L'\0' ) {
int currentCursor = currentLine->GetStringIndexForCursor() + cursorMove;
w = tdh.GetWidth( currentCursor, currentCursor );
idVec4 color( parent->foreColor.GetValue().x, parent->foreColor.GetValue().y, parent->foreColor.GetValue().z, 0.25f );
deviceContext->DrawClippedRect( x, y, w, h, color );
deviceContext->DrawClippedBox( x, y, w, h, 1.0f, parent->foreColor );
} else {
parent->DrawMaterial( parent->cursor.mi, x, y, w, h, parent->foreColor );
}
}
}
// selection highlight
if ( SelectionActive() ) {
int selectionStart = this->selectionStart;
int selectionEnd = currentLine->GetStringIndexForCursor();
if( selectionEnd < selectionStart ) {
Swap( selectionEnd, selectionStart );
}
sdTextLine* line = lines.Next();
float height = tdh.GetLineHeight();
idVec4 color( parent->foreColor.GetValue().x, parent->foreColor.GetValue().y, parent->foreColor.GetValue().z, 0.25f );
int i = 0;
sdBounds2D offsetRect;
while( line != NULL ) {
int begin = Max( selectionStart, line->GetStart() );
int end = Min( selectionEnd - 1, line->GetEnd() );
float width = tdh.GetWidth( begin, end );
float xOffset = tdh.GetWidth( line->GetStart(), line->GetStart() + ( begin - line->GetStart() - 1 ) );
offsetRect = rect;
offsetRect.TranslateSelf( xOffset, parent->lineHeight * i );
deviceContext->DrawClippedRect( offsetRect.GetMins().x, offsetRect.GetMins().y, width, height, color );
line = line->GetNode().Next();
i++;
}
}
}
/*
============
sdUIEditHelper::DrawText
============
*/
template < class UIEditClass, class StrClass, typename CharType >
void sdUIEditHelper< UIEditClass, StrClass, CharType >::DrawText( const idVec4& color ) {
// edit text
if ( localText.Length() > 0 ) {
sdBounds2D rect = parent->GetDrawRect();
rect.GetMins() += parent->scrollAmount;
sdWStringBuilder_Heap builder;
sdTextLine* line = lines.Next();
int i = 0;
sdBounds2D offsetRect;
while( line != NULL ) {
int len = line->GetLength();
if( len > 0 ) {
builder = L"";
builder.Append( &localText[ line->GetStart() ], len );
offsetRect = rect;
offsetRect.TranslateSelf( 0.0f, parent->lineHeight * i );
parent->sdUIWindow::DrawText( builder.c_str(), color, parent->fontSize, offsetRect, parent->cachedFontHandle, parent->GetDrawTextFlags() );
}
line = line->GetNode().Next();
i++;
}
}
}
/*
============
sdUIEditHelper::ClearText
============
*/
template < class UIEditClass, class StrClass, typename CharType >
void sdUIEditHelper< UIEditClass, StrClass, CharType >::ClearText() {
SaveUndo();
CancelSelection();
CursorChanged();
ClearLines();
currentLine = new sdTextLine( 0, 0, 0 );
currentLine->GetNode().AddToEnd( lines );
}
/*
============
sdUIEditHelper::GetSelectionRange
============
*/
template < class UIEditClass, class StrClass, typename CharType >
bool sdUIEditHelper< UIEditClass, StrClass, CharType >::GetSelectionRange( int& selStart, int& selEnd ) const {
int stringIndex = currentLine->GetStringIndexForCursor() + cursorMove;
if ( !SelectionActive() ) {
selStart = stringIndex;
selEnd = stringIndex;
return false;
}
selStart = selectionStart == -1 ? stringIndex : selectionStart;
selEnd = selectionStart == -1 ? stringIndex + 1 : stringIndex;
if ( selEnd < selStart ) {
Swap( selEnd, selStart );
}
int len = parent->editText.GetValue().Length();
selStart = idMath::ClampInt( 0, len - 1, selStart );
selEnd = idMath::ClampInt( selStart, len, selEnd );
return true;
}
/*
============
sdUIEditHelper::EraseSelection
============
*/
template < class UIEditClass, class StrClass, typename CharType >
int sdUIEditHelper< UIEditClass, StrClass, CharType >::EraseSelection() {
int selStart;
int selEnd;
GetSelectionRange( selStart, selEnd );
if ( selStart == selEnd ) {
return 0;
}
StrClass temp = parent->editText;
temp.EraseRange( selStart, selEnd - selStart );
parent->editText = temp;
return ( selEnd - selStart );
}
/*
============
sdUIEditHelper::MoveLeft
============
*/
template < class UIEditClass, class StrClass, typename CharType >
void sdUIEditHelper< UIEditClass, StrClass, CharType >::MoveLeft() {
int cursorMove = -1;
// move to the previous word
const CharType* buffer = parent->editText.GetValue().c_str();
int len = StrClass::Length( buffer );
if ( keyInputManager->IsDown( K_CTRL ) || keyInputManager->IsDown( K_RIGHT_CTRL ) ) {
if( UIEditClass::CharIsPrintable( buffer[ currentLine->GetStringIndexForCursor() + cursorMove - 1 ] ) ) {
while ( ( ( currentLine->GetStringIndexForCursor() + cursorMove ) > 0 ) && UIEditClass::CharIsPrintable( buffer[ currentLine->GetStringIndexForCursor() + cursorMove - 1 ] ) ) {
cursorMove--;
}
} else {
// skip out of whitespace to a word
while ( ( ( currentLine->GetStringIndexForCursor() + cursorMove ) > 0 ) && !UIEditClass::CharIsPrintable( buffer[ currentLine->GetStringIndexForCursor() + cursorMove - 1 ] ) ) {
cursorMove--;
}
// now skip the word
while ( ( ( currentLine->GetStringIndexForCursor() + cursorMove ) > 0 ) && UIEditClass::CharIsPrintable( buffer[ currentLine->GetStringIndexForCursor() + cursorMove - 1 ] ) ) {
cursorMove--;
}
}
}
currentLine = currentLine->AdvanceCursor( cursorMove );
CursorChanged();
}
/*
============
sdUIEditHelper::MoveRight
============
*/
template < class UIEditClass, class StrClass, typename CharType >
void sdUIEditHelper< UIEditClass, StrClass, CharType >::MoveRight() {
int cursorMove = 1;
// move to the next word
const CharType* buffer = parent->editText.GetValue().c_str();
int len = StrClass::Length( buffer );
if ( keyInputManager->IsDown( K_CTRL ) || keyInputManager->IsDown( K_RIGHT_CTRL ) ) {
// skip out of the current word
while ( ( ( currentLine->GetStringIndexForCursor() + cursorMove ) < len ) && UIEditClass::CharIsPrintable( buffer[ currentLine->GetStringIndexForCursor() + cursorMove ] ) ) {
cursorMove++;
}
// skip whitespace
while ( ( ( currentLine->GetStringIndexForCursor() + cursorMove ) < len ) && !UIEditClass::CharIsPrintable( buffer[ currentLine->GetStringIndexForCursor() + cursorMove ] ) ) {
cursorMove++;
}
}
currentLine = currentLine->AdvanceCursor( cursorMove );
CursorChanged();
}
/*
============
sdUIEditHelper::UpdateIndexByColorCodes
============
*/
template < class UIEditClass, class StrClass, typename CharType >
void sdUIEditHelper< UIEditClass, StrClass, CharType >::UpdateIndexByColorCodes( int start, int& index ) {
}
/*
============
sdUIEditHelper::GetVisibleLines
============
*/
template < class UIEditClass, class StrClass, typename CharType >
void sdUIEditHelper< UIEditClass, StrClass, CharType >::GetVisibleLines( sdTextLine*& firstVisible, sdTextLine*& lastVisible ) const {
firstVisible = lastVisible = NULL;
sdBounds2D rect = parent->GetDrawRect();
firstVisible = lines.Prev();
int index = lines.Num();
while( firstVisible != NULL ) {
if( ( index * tdh.GetLineHeight() ) + parent->scrollAmount.GetValue().y <= 0.0f ) {
break;
}
index--;
firstVisible = firstVisible->GetNode().Prev();
}
if( firstVisible == NULL ) {
firstVisible = lines.Next();
index = 0;
}
lastVisible = firstVisible;
while( lastVisible != NULL ) {
if( ( ( index + 1 ) * tdh.GetLineHeight() ) + parent->scrollAmount.GetValue().y >= rect.GetHeight() ) {
break;
}
index++;
lastVisible = lastVisible->GetNode().Next();
}
if( lastVisible == NULL ) {
lastVisible = lines.Prev();
}
}
/*
============
sdUIEditHelper::GetLineForPosition
============
*/
template < class UIEditClass, class StrClass, typename CharType >
sdTextLine* sdUIEditHelper< UIEditClass, StrClass, CharType >::GetLineForPosition( const sdBounds2D& rect, const idVec2& pos ) const {
if( pos.x < rect.GetMins().x ) {
return currentLine;
}
float rowHeight = tdh.GetLineHeight();
int index = 0;
sdTextLine* line = lines.Next();
while( line != NULL ) {
float rowBase = rect.GetMins().y + index * rowHeight;
if( rowBase < pos.y && pos.y < rowBase + rowHeight ) {
return line;
}
index++;
line = line->GetNode().Next();
}
return currentLine;
}
/*
============
sdUIEditHelper::CursorChanged
============
*/
template < class UIEditClass, class StrClass, typename CharType >
void sdUIEditHelper< UIEditClass, StrClass, CharType >::CursorChanged( bool adjustVScroll ) {
int textLength = localText.Length();
idVec2 newCursorPos;
idVec2 tdhOffset;
sdBounds2D rect( parent->GetWorldRect() );
//rect.TranslateSelf( -rect.GetMins() );
sdBounds2D offsetRect( rect );
offsetRect.TranslateSelf( parent->scrollAmount );
if( mouseClick.x >= 0.0f && mouseClick.y >= 0.0f ) {
idVec2 offsetClick = mouseClick;
offsetClick -= parent->GetWorldRect().ToVec2();
sdTextLine* clickedRow = GetLineForPosition( offsetRect, mouseClick );
currentLine = clickedRow;
// see if the click is past the end of the line
float width = tdh.GetWidth( clickedRow->GetStart(), clickedRow->GetEnd() );
if ( offsetClick.x >= width ) {
clickedRow->SetCursorOnLine( clickedRow->GetLength() );
} else {
int i;
for ( i = clickedRow->GetStart(); i <= clickedRow->GetEnd(); i++ ) {
width = tdh.GetWidth( clickedRow->GetStart(), i - 1 );
float charWidth = tdh.ToVirtualScreenSizeFloat( tdh.GetAdvance( i ) );
float halfWidth = ( charWidth * 0.5f );
if ( ( offsetClick.x - halfWidth ) < ( width + parent->scrollAmount.GetValue().x + halfWidth ) ) {
clickedRow->SetCursorOnLine( i - clickedRow->GetStart() );
break;
}
}
if( i > clickedRow->GetEnd() ) {
clickedRow->SetCursorOnLine( clickedRow->GetLength() );
}
}
mouseClick.Set( -1.0f, -1.0f );
}
tdhOffset.Zero();
sdTextLine* line = lines.Next();
while( line != NULL ) {
if( line == currentLine ) {
tdhOffset.x = tdh.GetWidth( line->GetStart(), currentLine->GetStringIndexForCursor() - 1 );
break;
}
tdhOffset.y += tdh.GetLineHeight();
line = line->GetNode().Next();
}
sdBounds2D drawRect = parent->GetDrawRect();
tdhOffset += drawRect.GetMins() - rect.GetMins();
newCursorPos = rect.GetMins() + tdhOffset;
if( parent->GetUI() != NULL ) {
cursorDrawTime = parent->GetUI()->GetCurrentTime() + CURSOR_FLASH_TIME;
}
drawCursor = true;
idVec2 offset = parent->scrollAmount;
if( newCursorPos.x >= drawRect.GetMaxs().x ) {
// moved past the right end
if( ( newCursorPos.x + offset.x ) >= cursorDrawPosition.x ) {
offset.x = ( drawRect.GetMaxs().x - newCursorPos.x ) - parent->cursor.width;
}
} else if( ( newCursorPos.x + offset.x ) <= drawRect.GetMins().x ) {
// moving past the left side
offset.x = ( newCursorPos.x + offset.x ) - drawRect.GetMins().x;
}
if( parent->TestFlag( UIEditClass::EF_MULTILINE ) ) {
if( adjustVScroll ) {
if( newCursorPos.y + offset.y + parent->cursor.height > rect.GetMaxs().y ) {
// moved past the bottom
offset.y -= tdh.GetLineHeight() + ( offset.y + ( newCursorPos.y + parent->cursor.height ) - rect.GetMaxs().y );
} else if( newCursorPos.y + offset.y <= rect.GetMins().y ) {
// moving past the top
offset.y = -( GetCurrentLineIndex() * tdh.GetLineHeight() );
}
}
offset.x = 0.0f;
} else {
offset.y = 0.0f;
}
parent->scrollAmount = offset;
cursorDrawPosition = newCursorPos + offset;
}
/*
============
sdUIEditHelper::TextChanged
============
*/
template < class UIEditClass, class StrClass, typename CharType >
void sdUIEditHelper< UIEditClass, StrClass, CharType >::TextChanged() {
textDirty = false;
int currentCursor = currentLine->GetStringIndexForCursor() + cursorMove;
localText = sdClipboardConverter< StrClass >::ToClipboard( parent->editText.GetValue() );
// insert cursor text if required
const wchar_t* cursorText = parent->GetCursorText();
if ( *cursorText != L'\0' ) {
localText.Insert( cursorText, currentCursor );
}
// update text
int textLength = localText.Length();
if ( parent->password != 0.0f ) {
localText.Fill( L'*', textLength );
}
ClearLines();
sdBounds2D rect = parent->GetDrawRect();
parent->ActivateFont( false );
tdh.Init( localText.c_str(), textLength, rect, parent->GetDrawTextFlags(), parent->cachedFontHandle, parent->fontSize, &lineBreaks );
int currentPos = 0;
for( int i = 0; i < lineBreaks.Num(); i++ ) {
int index = lineBreaks[ i ] - 1;
sdTextLine* line = new sdTextLine( currentPos, index );
line->GetNode().AddToEnd( lines );
currentPos = lineBreaks[ i ];
if( localText[ currentPos ] == L'\n' ) {
currentPos++;
}
}
sdTextLine* line = new sdTextLine( currentPos, textLength );
line->GetNode().AddToEnd( lines );
currentLine = lines.Next();
currentLine->SetCursorOnLine( 0 );
parent->lineHeight.SetReadOnly( false );
parent->lineHeight = tdh.GetLineHeight();
parent->lineHeight.SetReadOnly( true );
if( parent->TestFlag( UIEditClass::EF_MULTILINE ) ) {
parent->scrollAmountMax.SetReadOnly( false );
float amount = ( ( lines.Num() ) * parent->lineHeight ) - parent->cachedClientRect.w;
if( amount > 0.0f ) {
parent->scrollAmountMax = amount;
} else {
parent->scrollAmountMax = 0.0f;
}
parent->scrollAmountMax.SetReadOnly( true );
}
if( localText.IsEmpty() ) {
parent->scrollAmount = vec2_zero;
}
currentLine = currentLine->AdvanceCursor( currentCursor );
cursorMove = 0;
CursorChanged();
}
template < class UIEditClass, class StrClass, typename CharType >
bool sdUIEditHelper< UIEditClass, StrClass, CharType >::CaptureChar( const CharType ch ) {
bool isNewline = ch == '\n';
if ( isNewline && !parent->TestFlag( UIEditClass::EF_MULTILINE ) ) {
return false;
}
bool retVal = false;
unsigned int flags = parent->GetDrawTextFlags();
if ( UIEditClass::CharIsPrintable( ch ) || ( isNewline && ( ( flags & DTF_WORDWRAP ) || !( flags & DTF_SINGLELINE ) ) ) ) {
bool isNumeric = idStr::CharIsNumeric( ch );
bool isDecimal = ch == '.';
bool allowInput = true;
bool allowDecimal = parent->TestFlag( UIEditClass::EF_ALLOW_DECIMAL );
bool acceptOnlyNumbers = parent->TestFlag( UIEditClass::EF_INTEGERS_ONLY );
if ( acceptOnlyNumbers ) {
if ( !isDecimal && !isNumeric ) {
allowInput = false;
} else if ( isDecimal && !allowDecimal ) {
allowInput = false;
}
}
// Can't check for this here as it depends on editText, which is deferred
/*if ( allowDecimal && isDecimal ) {
if ( parent->editText.GetValue().Find( static_cast< CharType >( ch ) ) != -1 ) {
allowInput = false;
}
}*/
if ( allowInput ) {
retVal = true;
}
} else {
parent->RunEvent( sdUIEventInfo( UIEditClass::EE_INPUT_FAILED, 0 ) );
}
return retVal;
}
template < class UIEditClass, class StrClass, typename CharType >
void sdUIEditHelper< UIEditClass, StrClass, CharType >::InsertChar( CharType ch, int& cursorMove ) {
bool isNewline = ch == '\n';
if ( isNewline && !parent->TestFlag( UIEditClass::EF_MULTILINE ) ) {
return;
}
unsigned int flags = parent->GetDrawTextFlags();
if ( UIEditClass::CharIsPrintable( ch ) || ( isNewline && ( ( flags & DTF_WORDWRAP ) || !( flags & DTF_SINGLELINE ) ) ) ) {
bool isNumeric = idStr::CharIsNumeric( ch );
bool isDecimal = ch == '.';
bool allowInput = true;
bool allowDecimal = parent->TestFlag( UIEditClass::EF_ALLOW_DECIMAL );
bool acceptOnlyNumbers = parent->TestFlag( UIEditClass::EF_INTEGERS_ONLY );
if ( acceptOnlyNumbers ) {
if ( !isDecimal && !isNumeric ) {
allowInput = false;
} else if ( isDecimal && !allowDecimal ) {
allowInput = false;
}
}
if ( allowDecimal && isDecimal ) {
if ( parent->editText.GetValue().Find( static_cast< CharType >( ch ) ) != -1 ) {
allowInput = false;
}
}
if ( allowInput ) {
// FIXME: this is wrong for non english-ish languages
// don't make a separate undo for an unbroken string of typing
if ( !lastEventWasCharacter ) {
SaveUndo();
}
lastEventWasCharacter = true;
int numErased = 0;
int selStart;
int selEnd;
GetSelectionRange( selStart, selEnd );
if ( SelectionActive() ) {
numErased = EraseSelection();
if( selectionStart < currentLine->GetStringIndexForCursor() ) {
cursorMove += selectionStart - currentLine->GetStringIndexForCursor() + 1;
} else {
cursorMove += 1;
}
} else {
cursorMove += 1;
}
UpdateIndexByColorCodes( selStart, selEnd );
if ( parent->TestFlag( UIEditClass::EF_UPPERCASE ) ) {
ch = sdCaseConverter< CharType >::ToUpper( ch );
}
StrClass temp = parent->editText;
temp.Insert( static_cast< CharType >( ch ), selEnd - numErased );
parent->editText = temp;
CancelSelection(); // collapse the selection after the replacement
}
}
}
/*
============
sdUIEditHelper::OnGainFocus
============
*/
template < class UIEditClass, class StrClass, typename CharType >
void sdUIEditHelper< UIEditClass, StrClass, CharType >::OnGainFocus() {
if( parent->GetUI() != NULL ) {
cursorDrawTime = parent->GetUI()->GetCurrentTime() + CURSOR_FLASH_TIME;
}
}
/*
============
sdUIEditHelper::InsertText
============
*/
template < class UIEditClass, class StrClass, typename CharType >
void sdUIEditHelper< UIEditClass, StrClass, CharType >::InsertText( const CharType* text ) {
if ( parent->readOnly ) {
return;
}
int len = StrClass::Length( text );
size_t dataSize = ( len + 1 ) * sizeof( CharType );
void* data = Mem_Alloc( dataSize );
::memcpy( data, text, dataSize );
QueueEvent( sdUIEditEvent::EE_INSERT_TEXT, 0, 0, 0, 0, 0, dataSize, data );
}
/*
============
sdUIEditHelper::DoInsertText
============
*/
template < class UIEditClass, class StrClass, typename CharType >
void sdUIEditHelper< UIEditClass, StrClass, CharType >::DoInsertText( const CharType* text ) {
int numErased = 0;
if ( SelectionActive() ) {
numErased = EraseSelection();
}
int selStart;
int selEnd;
GetSelectionRange( selStart, selEnd );
StrClass temp = parent->editText;
temp.Insert( text, selEnd - numErased );
if ( parent->maxTextLength == 0.0f || temp.LengthWithoutColors() <= parent->maxTextLength ) {
if ( parent->TestFlag( UIEditClass::EF_UPPERCASE ) ) {
for ( int i = 0; i < temp.Length(); i++ ) {
temp[ i ] = sdCaseConverter< CharType >::ToUpper( temp[ i ] );
}
}
SaveUndo();
parent->editText = temp;
CancelSelection();
cursorMove += StrClass::Length( text );
}
}
/*
============
sdUIEditHelper::SurroundSelection
============
*/
template < class UIEditClass, class StrClass, typename CharType >
void sdUIEditHelper< UIEditClass, StrClass, CharType >::SurroundSelection( const CharType* prefix, const CharType* suffix ) {
if ( parent->readOnly ) {
return;
}
int selStart;
int selEnd;
GetSelectionRange( selStart, selEnd );
StrClass temp = parent->editText;
if ( selStart < 0 ) {
selStart = 0;
}
if ( selEnd < 0 ) {
selEnd = temp.Length();
}
temp.Insert( suffix, selEnd );
temp.Insert( prefix, selStart );
if ( parent->maxTextLength == 0.0f || temp.LengthWithoutColors() <= parent->maxTextLength ) {
if ( parent->TestFlag( UIEditClass::EF_UPPERCASE ) ) {
for ( int i = 0; i < temp.Length(); i++ ) {
temp[ i ] = sdCaseConverter< CharType >::ToUpper( temp[ i ] );
}
}
SaveUndo();
parent->editText = temp;
int len = StrClass::Length( prefix );
cursorMove += len;
if ( selectionStart != -1 ) {
selectionStart += len;
}
}
}
/*
============
sdUIEditHelper::SelectAll
============
*/
template < class UIEditClass, class StrClass, typename CharType >
void sdUIEditHelper< UIEditClass, StrClass, CharType >::SelectAll() {
selectionStart = 0;
currentLine = currentLine->AdvanceCursor( parent->editText.GetValue().Length() - currentLine->GetStringIndexForCursor() );
CursorChanged();
}
/*
============
sdUIEditHelper::GetCurrentLineIndex
============
*/
template < class UIEditClass, class StrClass, typename CharType >
int sdUIEditHelper< UIEditClass, StrClass, CharType >::GetCurrentLineIndex() const {
sdTextLine* line = lines.Next();
int index = 0;
while( line != currentLine ) {
index++;
line = line->GetNode().Next();
}
return index;
}
/*
=================
sdUIEditHelper::FreeEvent
=================
*/
template < class UIEditClass, class StrClass, typename CharType >
void sdUIEditHelper< UIEditClass, StrClass, CharType >::FreeEvent( const sdUIEditEvent* ev ) {
sdUIEditEvent* event = const_cast< sdUIEditEvent* >( ev );
event->GetNode().Remove();
eventAllocator.Free( event );
}
/*
=================
sdUIEditHelper::GenerateBlankEvent
=================
*/
template < class UIEditClass, class StrClass, typename CharType >
void sdUIEditHelper< UIEditClass, StrClass, CharType >::QueueEvent( typename sdUIEditEvent::type_e type, int value, int value2, int value3, int value4, int flags, size_t dataSize, void* data ) {
sdUIEditEvent* ev = eventAllocator.Alloc();
ev->Init( type, value, value2, value3, value4, flags, dataSize, data );
ev->GetNode().AddToEnd( eventQueue );
}
/*
=================
sdUIEditHelper::GetEvent
=================
*/
template < class UIEditClass, class StrClass, typename CharType >
const typename sdUIEditHelper< UIEditClass, StrClass, CharType >::sdUIEditEvent* sdUIEditHelper< UIEditClass, StrClass, CharType >::GetEvent() {
return eventQueue.Next();
}
/*
===============
sdUIEditHelper::RunEventLoop
===============
*/
template < class UIEditClass, class StrClass, typename CharType >
void sdUIEditHelper< UIEditClass, StrClass, CharType >::RunEventLoop() {
while ( true ) {
const sdUIEditEvent* ev = GetEvent();
// if no more events are available
if ( ev == NULL ) {
return;
}
ProcessEvent( *ev );
FreeEvent( ev );
}
}
/*
===============
sdUIEditHelper::RunEventLoop
===============
*/
template < class UIEditClass, class StrClass, typename CharType >
void sdUIEditHelper< UIEditClass, StrClass, CharType >::ApplyLayout() {
RunEventLoop();
}
#endif // ! __GAME_GUIS_USERINTERFACEEDITHELPER_H__