From 39ed87570bdb2f86969d4be821c94b722dc71179 Mon Sep 17 00:00:00 2001 From: Joe Ludwig Date: Wed, 26 Jun 2013 15:22:04 -0700 Subject: First version of the SOurce SDK 2013 --- mp/src/vgui2/vgui_controls/TextEntry.cpp | 4279 ++++++++++++++++++++++++++++++ 1 file changed, 4279 insertions(+) create mode 100644 mp/src/vgui2/vgui_controls/TextEntry.cpp (limited to 'mp/src/vgui2/vgui_controls/TextEntry.cpp') diff --git a/mp/src/vgui2/vgui_controls/TextEntry.cpp b/mp/src/vgui2/vgui_controls/TextEntry.cpp new file mode 100644 index 00000000..3b0c189f --- /dev/null +++ b/mp/src/vgui2/vgui_controls/TextEntry.cpp @@ -0,0 +1,4279 @@ +//========= Copyright Valve Corporation, All rights reserved. ============// +// +// Purpose: +// +// $NoKeywords: $ +//=============================================================================// + + +#include +#include +#include +#include + +#include +#include +#include +#include +#include +#include +#include +#include +#include + +#include +#include +#include +#include +#include +// memdbgon must be the last include file in a .cpp file!!! +#include + +enum +{ + // maximum size of text buffer + BUFFER_SIZE=999999, +}; + +using namespace vgui; + +static const int DRAW_OFFSET_X = 3,DRAW_OFFSET_Y = 1; + +DECLARE_BUILD_FACTORY( TextEntry ); + +//----------------------------------------------------------------------------- +// Purpose: Constructor +//----------------------------------------------------------------------------- +TextEntry::TextEntry(Panel *parent, const char *panelName) : BaseClass(parent, panelName) +{ + SetTriplePressAllowed( true ); + + _font = INVALID_FONT; + _smallfont = INVALID_FONT; + + m_szComposition[ 0 ] = L'\0'; + + m_bAllowNumericInputOnly = false; + m_bAllowNonAsciiCharacters = false; + _hideText = false; + _editable = false; + _verticalScrollbar = false; + _cursorPos = 0; + _currentStartIndex = 0; + _horizScrollingAllowed = true; + _cursorIsAtEnd = false; + _putCursorAtEnd = false; + _multiline = false; + _cursorBlinkRate = 400; + _mouseSelection = false; + _mouseDragSelection = false; + _vertScrollBar=NULL; + _catchEnterKey = false; + _maxCharCount = -1; + _charCount = 0; + _wrap = false; // don't wrap by default + _sendNewLines = false; // don't pass on a newline msg by default + _drawWidth = 0; + m_bAutoProgressOnHittingCharLimit = false; + m_pIMECandidates = NULL; + m_hPreviousIME = input()->GetEnglishIMEHandle(); + m_bDrawLanguageIDAtLeft = false; + m_nLangInset = 0; + m_bUseFallbackFont = false; + m_hFallbackFont = INVALID_FONT; + + //a -1 for _select[0] means that the selection is empty + _select[0] = -1; + _select[1] = -1; + m_pEditMenu = NULL; + + //this really just inits it when in here + ResetCursorBlink(); + + SetCursor(dc_ibeam); + + SetEditable(true); + + // initialize the line break array + m_LineBreaks.AddToTail(BUFFER_SIZE); + + _recalculateBreaksIndex = 0; + + _selectAllOnFirstFocus = false; + _selectAllOnFocusAlways = false; + + //position the cursor so it is at the end of the text + GotoTextEnd(); + + // If keyboard focus is in an edit control, don't chain keyboard mappings up to parents since it could mess with typing in text. + SetAllowKeyBindingChainToParent( false ); + + REGISTER_COLOR_AS_OVERRIDABLE( _disabledFgColor, "disabledFgColor_override" ); + REGISTER_COLOR_AS_OVERRIDABLE( _disabledBgColor, "disabledBgColor_override" ); + REGISTER_COLOR_AS_OVERRIDABLE( _selectionColor, "selectionColor_override" ); + REGISTER_COLOR_AS_OVERRIDABLE( _selectionTextColor, "selectionTextColor_override" ); + REGISTER_COLOR_AS_OVERRIDABLE( _defaultSelectionBG2Color, "defaultSelectionBG2Color_override" ); +} + + +TextEntry::~TextEntry() +{ + delete m_pEditMenu; + delete m_pIMECandidates; +} + +//----------------------------------------------------------------------------- +// Purpose: +//----------------------------------------------------------------------------- +void TextEntry::ApplySchemeSettings(IScheme *pScheme) +{ + BaseClass::ApplySchemeSettings(pScheme); + + SetFgColor(GetSchemeColor("TextEntry.TextColor", pScheme)); + SetBgColor(GetSchemeColor("TextEntry.BgColor", pScheme)); + + _cursorColor = GetSchemeColor("TextEntry.CursorColor", pScheme); + _disabledFgColor = GetSchemeColor("TextEntry.DisabledTextColor", pScheme); + _disabledBgColor = GetSchemeColor("TextEntry.DisabledBgColor", pScheme); + + _selectionTextColor = GetSchemeColor("TextEntry.SelectedTextColor", GetFgColor(), pScheme); + _selectionColor = GetSchemeColor("TextEntry.SelectedBgColor", pScheme); + _defaultSelectionBG2Color = GetSchemeColor("TextEntry.OutOfFocusSelectedBgColor", pScheme); + _focusEdgeColor = GetSchemeColor("TextEntry.FocusEdgeColor", Color(0, 0, 0, 0), pScheme); + + SetBorder( pScheme->GetBorder("ButtonDepressedBorder")); + + if ( _font == INVALID_FONT ) _font = pScheme->GetFont("Default", IsProportional() ); + if ( _smallfont == INVALID_FONT ) _smallfont = pScheme->GetFont( "DefaultVerySmall", IsProportional() ); + + SetFont( _font ); +} + +void TextEntry::SetSelectionTextColor( const Color& clr ) +{ + _selectionTextColor = clr; +} + +void TextEntry::SetSelectionBgColor( const Color& clr ) +{ + _selectionColor = clr; +} + +void TextEntry::SetSelectionUnfocusedBgColor( const Color& clr ) +{ + _defaultSelectionBG2Color = clr; +} + +//----------------------------------------------------------------------------- +// Purpose: sets the color of the background when the control is disabled +//----------------------------------------------------------------------------- +void TextEntry::SetDisabledBgColor(Color col) +{ + _disabledBgColor = col; +} + + +//----------------------------------------------------------------------------- +// Purpose: Sends a message if the data has changed +// Turns off any selected text in the window if we are not using the edit menu +//----------------------------------------------------------------------------- +void TextEntry::OnKillFocus() +{ + m_szComposition[ 0 ] = L'\0'; + HideIMECandidates(); + + if (_dataChanged) + { + FireActionSignal(); + _dataChanged = false; + } + + // check if we clicked the right mouse button or if it is down + bool mouseRightClicked = input()->WasMousePressed(MOUSE_RIGHT); + bool mouseRightUp = input()->WasMouseReleased(MOUSE_RIGHT); + bool mouseRightDown = input()->IsMouseDown(MOUSE_RIGHT); + + if (mouseRightClicked || mouseRightDown || mouseRightUp ) + { + int cursorX, cursorY; + input()->GetCursorPos(cursorX, cursorY); + + // if we're right clicking within our window, we don't actually kill focus + if (IsWithin(cursorX, cursorY)) + return; + } + + // clear any selection + SelectNone(); + + // move the cursor to the start +// GotoTextStart(); + + PostActionSignal( new KeyValues( "TextKillFocus" ) ); + + // chain + BaseClass::OnKillFocus(); +} + +//----------------------------------------------------------------------------- +// Purpose: Wipe line breaks after the size of a panel has been changed +//----------------------------------------------------------------------------- +void TextEntry::OnSizeChanged(int newWide, int newTall) +{ + BaseClass::OnSizeChanged(newWide, newTall); + + // blow away the line breaks list + _recalculateBreaksIndex = 0; + m_LineBreaks.RemoveAll(); + m_LineBreaks.AddToTail(BUFFER_SIZE); + + // if we're bigger, see if we can scroll left to put more text in the window + if (newWide > _drawWidth) + { + ScrollLeftForResize(); + } + + _drawWidth = newWide; + InvalidateLayout(); +} + + +//----------------------------------------------------------------------------- +// Purpose: Set the text array - convert ANSI text to unicode and pass to unicode function +//----------------------------------------------------------------------------- +void TextEntry::SetText(const char *text) +{ + if (!text) + { + text = ""; + } + + if (text[0] == '#') + { + // check for localization + wchar_t *wsz = g_pVGuiLocalize->Find(text); + if (wsz) + { + SetText(wsz); + return; + } + } + + size_t len = strlen( text ); + if ( len < 1023 ) + { + wchar_t unicode[ 1024 ]; + g_pVGuiLocalize->ConvertANSIToUnicode( text, unicode, sizeof( unicode ) ); + SetText( unicode ); + } + else + { + size_t lenUnicode = ( len * sizeof( wchar_t ) + 4 ); + wchar_t *unicode = ( wchar_t * ) malloc( lenUnicode ); + g_pVGuiLocalize->ConvertANSIToUnicode( text, unicode, lenUnicode ); + SetText( unicode ); + free( unicode ); + } +} + +//----------------------------------------------------------------------------- +// Purpose: Set the text array +// Using this function will cause all lineBreaks to be discarded. +// This is because this fxn replaces the contents of the text buffer. +// For modifying large buffers use insert functions. +//----------------------------------------------------------------------------- +void TextEntry::SetText(const wchar_t *wszText) +{ + if (!wszText) + { + wszText = L""; + } + int textLen = wcslen(wszText); + m_TextStream.RemoveAll(); + m_TextStream.EnsureCapacity(textLen); + + int missed_count = 0; + for (int i = 0; i < textLen; i++) + { + if(wszText[i]=='\r') // don't insert \r characters + { + missed_count++; + continue; + } + m_TextStream.AddToTail(wszText[i]); + SetCharAt(wszText[i], i-missed_count); + } + + GotoTextStart(); + SelectNone(); + + // reset the data changed flag + _dataChanged = false; + + // blow away the line breaks list + _recalculateBreaksIndex = 0; + m_LineBreaks.RemoveAll(); + m_LineBreaks.AddToTail(BUFFER_SIZE); + + InvalidateLayout(); +} + +//----------------------------------------------------------------------------- +// Purpose: Sets the value of char at index position. +//----------------------------------------------------------------------------- +void TextEntry::SetCharAt(wchar_t ch, int index) +{ + if ((ch == '\n') || (ch == '\0')) + { + // if its not at the end of the buffer it matters. + // redo the linebreaks + //if (index != m_TextStream.Count()) + { + _recalculateBreaksIndex = 0; + m_LineBreaks.RemoveAll(); + m_LineBreaks.AddToTail(BUFFER_SIZE); + } + } + + if (index < 0) + return; + + if (index >= m_TextStream.Count()) + { + m_TextStream.AddMultipleToTail(index - m_TextStream.Count() + 1); + } + m_TextStream[index] = ch; + _dataChanged = true; +} + +//----------------------------------------------------------------------------- +// Purpose: Restarts the time of the next cursor blink +//----------------------------------------------------------------------------- +void TextEntry::ResetCursorBlink() +{ + _cursorBlink=false; + _cursorNextBlinkTime=system()->GetTimeMillis()+_cursorBlinkRate; +} + +//----------------------------------------------------------------------------- +// Purpose: Hides the text buffer so it will not be drawn +//----------------------------------------------------------------------------- +void TextEntry::SetTextHidden(bool bHideText) +{ + _hideText = bHideText; + Repaint(); +} + +//----------------------------------------------------------------------------- +// Purpose: return character width +//----------------------------------------------------------------------------- +int getCharWidth(HFont font, wchar_t ch) +{ + if (!iswcntrl(ch)) + { + int a, b, c; + surface()->GetCharABCwide(font, ch, a, b, c); + return (a + b + c); + } + return 0; +} + +//----------------------------------------------------------------------------- +// Purpose: Given cursor's position in the text buffer, convert it to +// the local window's x and y pixel coordinates +// Input: cursorPos: cursor index +// Output: cx, cy, the corresponding coords in the local window +//----------------------------------------------------------------------------- +void TextEntry::CursorToPixelSpace(int cursorPos, int &cx, int &cy) +{ + int yStart = GetYStart(); + + int x = DRAW_OFFSET_X, y = yStart; + _pixelsIndent = 0; + int lineBreakIndexIndex = 0; + + for (int i = GetStartDrawIndex(lineBreakIndexIndex); i < m_TextStream.Count(); i++) + { + wchar_t ch = m_TextStream[i]; + if (_hideText) + { + ch = '*'; + } + + // if we've found the position, break + if (cursorPos == i) + { + // even if this is a line break entry for the cursor, the next insert + // will be at this position, which will push the line break forward one + // so don't push the cursor down a line here... + /*if (!_putCursorAtEnd) + { + // if we've passed a line break go to that + if (m_LineBreaks[lineBreakIndexIndex] == i) + { + // add another line + AddAnotherLine(x,y); + lineBreakIndexIndex++; + } + }*/ + break; + } + + // if we've passed a line break go to that + if (m_LineBreaks.Count() && + lineBreakIndexIndex < m_LineBreaks.Count() && + m_LineBreaks[lineBreakIndexIndex] == i) + { + // add another line + AddAnotherLine(x,y); + lineBreakIndexIndex++; + } + + // add to the current position + x += getCharWidth(_font, ch); + } + + if ( m_bDrawLanguageIDAtLeft ) + { + x += m_nLangInset; + } + + cx = x; + cy = y; +} + +//----------------------------------------------------------------------------- +// Purpose: Converts local pixel coordinates to an index in the text buffer +// This function appears to be used only in response to mouse clicking +// Input : cx - +// cy - pixel location +//----------------------------------------------------------------------------- +int TextEntry::PixelToCursorSpace(int cx, int cy) +{ + + int w, h; + GetSize(w, h); + cx = clamp(cx, 0, w+100); + cy = clamp(cy, 0, h); + + _putCursorAtEnd = false; // Start off assuming we clicked somewhere in the text + + int fontTall = surface()->GetFontTall(_font); + + // where to Start reading + int yStart = GetYStart(); + int x = DRAW_OFFSET_X, y = yStart; + _pixelsIndent = 0; + int lineBreakIndexIndex = 0; + + int startIndex = GetStartDrawIndex(lineBreakIndexIndex); + bool onRightLine = false; + int i; + for (i = startIndex; i < m_TextStream.Count(); i++) + { + wchar_t ch = m_TextStream[i]; + if (_hideText) + { + ch = '*'; + } + + // if we are on the right line but off the end of if put the cursor at the end of the line + if (m_LineBreaks[lineBreakIndexIndex] == i ) + { + // add another line + AddAnotherLine(x,y); + lineBreakIndexIndex++; + + if (onRightLine) + { + _putCursorAtEnd = true; + return i; + } + } + + // check to see if we're on the right line + if (cy < yStart) + { + // cursor is above panel + onRightLine = true; + _putCursorAtEnd = true; // this will make the text scroll up if needed + } + else if (cy >= y && (cy < (y + fontTall + DRAW_OFFSET_Y))) + { + onRightLine = true; + } + + int wide = getCharWidth(_font, ch); + + // if we've found the position, break + if (onRightLine) + { + if (cx > GetWide()) // off right side of window + { + } + else if (cx < (DRAW_OFFSET_X + _pixelsIndent) || cy < yStart) // off left side of window + { + return i; // move cursor one to left + } + + if (cx >= x && cx < (x + wide)) + { + // check which side of the letter they're on + if (cx < (x + (wide * 0.5))) // left side + { + return i; + } + else // right side + { + return i + 1; + } + } + } + x += wide; + } + + return i; +} + +//----------------------------------------------------------------------------- +// Purpose: Draws a character in the panel +// Input: ch - character to draw +// font - font to use +// x, y - pixel location to draw char at +// Output: returns the width of the character drawn +//----------------------------------------------------------------------------- +int TextEntry::DrawChar(wchar_t ch, HFont font, int index, int x, int y) +{ + // add to the current position + int charWide = getCharWidth(font, ch); + int fontTall=surface()->GetFontTall(font); + if (!iswcntrl(ch)) + { + // draw selection, if any + int selection0 = -1, selection1 = -1; + GetSelectedRange(selection0, selection1); + + if (index >= selection0 && index < selection1) + { + // draw background selection color + VPANEL focus = input()->GetFocus(); + Color bgColor; + bool hasFocus = HasFocus(); + bool childOfFocus = focus && ipanel()->HasParent(focus, GetVPanel()); + + // if one of the children of the SectionedListPanel has focus, then 'we have focus' if we're selected + if ( hasFocus || childOfFocus ) + { + bgColor = _selectionColor; + } + else + { + bgColor =_defaultSelectionBG2Color; + } + + surface()->DrawSetColor(bgColor); + + surface()->DrawFilledRect(x, y, x + charWide, y + 1 + fontTall); + + // reset text color + surface()->DrawSetTextColor(_selectionTextColor); + } + if (index == selection1) + { + // we've come out of selection, reset the color + surface()->DrawSetTextColor(GetFgColor()); + } + + surface()->DrawSetTextPos(x, y); + surface()->DrawUnicodeChar(ch); + + return charWide; + } + + return 0; +} + +//----------------------------------------------------------------------------- +// Purpose: Draw the cursor, cursor is not drawn when it is blinked gone +// Input: x,y where to draw cursor +// Output: returns true if cursor was drawn. +//----------------------------------------------------------------------------- +bool TextEntry::DrawCursor(int x, int y) +{ + if (!_cursorBlink) + { + int cx, cy; + CursorToPixelSpace(_cursorPos, cx, cy); + surface()->DrawSetColor(_cursorColor); + int fontTall=surface()->GetFontTall(_font); + surface()->DrawFilledRect(cx, cy, cx + 1, cy + fontTall); + return true; + } + return false; +} + +bool TextEntry::NeedsEllipses( HFont font, int *pIndex ) +{ + Assert( pIndex ); + *pIndex = -1; + int wide = DRAW_OFFSET_X; // buffer on left and right end of text. + for ( int i = 0; i < m_TextStream.Count(); ++i ) + { + wide += getCharWidth( font , m_TextStream[i] ); + if (wide > _drawWidth) + { + *pIndex = i; + return true; + } + } + return false; +} + +//----------------------------------------------------------------------------- +// Purpose: Draws the text in the panel +//----------------------------------------------------------------------------- +void TextEntry::PaintBackground() +{ + BaseClass::PaintBackground(); + + // draw background + Color col; + if (IsEnabled()) + { + col = GetBgColor(); + } + else + { + col = _disabledBgColor; + } + Color saveBgColor = col; + + int wide, tall; + GetSize( wide, tall ); + +// surface()->DrawSetColor(col); +// surface()->DrawFilledRect(0, 0, wide, tall); + + // where to Start drawing + int x = DRAW_OFFSET_X + _pixelsIndent, y = GetYStart(); + + m_nLangInset = 0; + + int langlen = 0; + wchar_t shortcode[ 5 ]; + shortcode[ 0 ] = L'\0'; + + if ( m_bAllowNonAsciiCharacters ) + { + input()->GetIMELanguageShortCode( shortcode, sizeof( shortcode ) ); + + if ( shortcode[ 0 ] != L'\0' && + wcsicmp( shortcode, L"EN" ) ) + { + m_nLangInset = 0; + langlen = wcslen( shortcode ); + for ( int i = 0; i < langlen; ++i ) + { + m_nLangInset += getCharWidth( _smallfont, shortcode[ i ] ); + } + + m_nLangInset += 4; + + if ( m_bDrawLanguageIDAtLeft ) + { + x += m_nLangInset; + } + + wide -= m_nLangInset; + } + } + + HFont useFont = _font; + + surface()->DrawSetTextFont(useFont); + if (IsEnabled()) + { + col = GetFgColor(); + } + else + { + col = _disabledFgColor; + } + surface()->DrawSetTextColor(col); + _pixelsIndent = 0; + + int lineBreakIndexIndex = 0; + int startIndex = GetStartDrawIndex(lineBreakIndexIndex); + int remembery = y; + + int oldEnd = m_TextStream.Count(); + int oldCursorPos = _cursorPos; + int nCompStart = -1; + int nCompEnd = -1; + + // FIXME: Should insert at cursor pos instead + bool composing = m_bAllowNonAsciiCharacters && wcslen( m_szComposition ) > 0; + bool invertcomposition = input()->GetShouldInvertCompositionString(); + + if ( composing ) + { + nCompStart = _cursorPos; + + wchar_t *s = m_szComposition; + while ( *s != L'\0' ) + { + m_TextStream.InsertBefore( _cursorPos, *s ); + ++s; + ++_cursorPos; + } + + nCompEnd = _cursorPos; + } + + bool highlight_composition = ( nCompStart != -1 && nCompEnd != -1 ) ? true : false; + + // draw text with an elipsis + if ( (!_multiline) && (!_horizScrollingAllowed) ) + { + int endIndex = m_TextStream.Count(); + // In editable windows only do the ellipsis if we don't have focus. + // In non editable windows do it all the time. + if ( (!HasFocus() && (IsEditable())) || (!IsEditable()) ) + { + int i = -1; + + // loop through all the characters and sum their widths + bool addEllipses = NeedsEllipses( useFont, &i ); + if ( addEllipses && + !IsEditable() && + m_bUseFallbackFont && + INVALID_FONT != m_hFallbackFont ) + { + // Switch to small font!!! + useFont = m_hFallbackFont; + surface()->DrawSetTextFont(useFont); + addEllipses = NeedsEllipses( useFont, &i ); + } + if (addEllipses) + { + int elipsisWidth = 3 * getCharWidth(useFont, '.'); + while (elipsisWidth > 0 && i >= 0) + { + elipsisWidth -= getCharWidth(useFont, m_TextStream[i]); + i--; + } + endIndex = i + 1; + } + + // if we take off less than the last 3 chars we have to make sure + // we take off the last 3 chars so selected text will look right. + if (m_TextStream.Count() - endIndex < 3 && m_TextStream.Count() - endIndex > 0 ) + { + endIndex = m_TextStream.Count() - 3; + } + } + // draw the text + int i; + for (i = startIndex; i < endIndex; i++) + { + wchar_t ch = m_TextStream[i]; + if (_hideText) + { + ch = '*'; + } + + bool iscompositionchar = false; + + if ( highlight_composition ) + { + iscompositionchar = ( i >= nCompStart && i < nCompEnd ) ? true : false; + if ( iscompositionchar ) + { + // Set the underline color to the text color + surface()->DrawSetColor( col ); + + int w = getCharWidth( useFont, ch ); + + if ( invertcomposition ) + { + // Invert color + surface()->DrawSetTextColor( saveBgColor ); + surface()->DrawSetColor( col ); + + surface()->DrawFilledRect(x, 0, x+w, tall); + // Set the underline color to the text color + surface()->DrawSetColor( saveBgColor ); + } + + surface()->DrawFilledRect( x, tall - 2, x + w, tall - 1 ); + } + } + + + // draw the character and update xposition + x += DrawChar(ch, useFont, i, x, y); + + // Restore color + surface()->DrawSetTextColor(col); + + } + if (endIndex < m_TextStream.Count()) // add an elipsis + { + x += DrawChar('.', useFont, i, x, y); + i++; + x += DrawChar('.', useFont, i, x, y); + i++; + x += DrawChar('.', useFont, i, x, y); + i++; + } + } + else + { + // draw the text + for ( int i = startIndex; i < m_TextStream.Count(); i++) + { + wchar_t ch = m_TextStream[i]; + if (_hideText) + { + ch = '*'; + } + + // if we've passed a line break go to that + if ( _multiline && m_LineBreaks[lineBreakIndexIndex] == i) + { + // add another line + AddAnotherLine(x, y); + lineBreakIndexIndex++; + } + + bool iscompositionchar = false; + + if ( highlight_composition ) + { + iscompositionchar = ( i >= nCompStart && i < nCompEnd ) ? true : false; + if ( iscompositionchar ) + { + // Set the underline color to the text color + surface()->DrawSetColor( col ); + + int w = getCharWidth( useFont, ch ); + + if ( invertcomposition ) + { + // Invert color + surface()->DrawSetTextColor( saveBgColor ); + surface()->DrawFilledRect(x, 0, x+w, tall); + // Set the underline color to the text color + surface()->DrawSetColor( saveBgColor ); + } + + surface()->DrawFilledRect( x, tall - 2, x + w, tall - 1 ); + } + } + + // draw the character and update xposition + x += DrawChar(ch, useFont, i, x, y); + + // Restore color + surface()->DrawSetTextColor(col); + } + } + + // custom border + //!! need to replace this with scheme stuff (TextEntryBorder/TextEntrySelectedBorder) + surface()->DrawSetColor(50, 50, 50, 255); + + if (IsEnabled() && IsEditable() && HasFocus()) + { + // set a more distinct border color + surface()->DrawSetColor(0, 0, 0, 255); + + DrawCursor (x, y); + + if ( composing ) + { + LocalToScreen( x, y ); + input()->SetCandidateWindowPos( x, y ); + } + } + + int newEnd = m_TextStream.Count(); + int remove = newEnd - oldEnd; + if ( remove > 0 ) + { + m_TextStream.RemoveMultiple( oldCursorPos, remove ); + } + _cursorPos = oldCursorPos; + + if ( HasFocus() && m_bAllowNonAsciiCharacters && langlen > 0 ) + { + wide += m_nLangInset; + + if ( m_bDrawLanguageIDAtLeft ) + { + x = 0; + } + else + { + // Draw language identififer + x = wide - m_nLangInset; + } + + surface()->DrawSetColor( col ); + + surface()->DrawFilledRect( x, 2, x + m_nLangInset-2, tall - 2 ); + + saveBgColor[ 3 ] = 255; + surface()->DrawSetTextColor( saveBgColor ); + + x += 1; + + surface()->DrawSetTextFont(_smallfont); + for ( int i = 0; i < langlen; ++i ) + { + x += DrawChar( shortcode[ i ], _smallfont, i, x, remembery ); + } + } +} + +//----------------------------------------------------------------------------- +// Purpose: Called when data changes or panel size changes +//----------------------------------------------------------------------------- +void TextEntry::PerformLayout() +{ + BaseClass::PerformLayout(); + + RecalculateLineBreaks(); + + // recalculate scrollbar position + if (_verticalScrollbar) + { + LayoutVerticalScrollBarSlider(); + } + + // force a Repaint + Repaint(); +} + +// moves x,y to the Start of the next line of text +void TextEntry::AddAnotherLine(int &cx, int &cy) +{ + cx = DRAW_OFFSET_X + _pixelsIndent; + cy += (surface()->GetFontTall(_font) + DRAW_OFFSET_Y); +} + + +//----------------------------------------------------------------------------- +// Purpose: Recalculates line breaks +//----------------------------------------------------------------------------- +void TextEntry::RecalculateLineBreaks() +{ + if (!_multiline || _hideText) + return; + + if (m_TextStream.Count() < 1) + return; + + HFont font = _font; + + // line break to our width -2 pixel to keep cursor blinking in window + // (assumes borders are 1 pixel) + int wide = GetWide()-2; + + // subtract the scrollbar width + if (_vertScrollBar) + { + wide -= _vertScrollBar->GetWide(); + } + + int charWidth; + int x = DRAW_OFFSET_X, y = DRAW_OFFSET_Y; + + int wordStartIndex = 0; + int wordLength = 0; + bool hasWord = false; + bool justStartedNewLine = true; + bool wordStartedOnNewLine = true; + + int startChar; + if (_recalculateBreaksIndex <= 0) + { + m_LineBreaks.RemoveAll(); + startChar=0; + } + else + { + // remove the rest of the linebreaks list since its out of date. + for (int i=_recalculateBreaksIndex+1; i < m_LineBreaks.Count(); ++i) + { + m_LineBreaks.Remove((int)i); + --i; // removing shrinks the list! + } + startChar = m_LineBreaks[_recalculateBreaksIndex]; + } + + // handle the case where this char is a new line, in that case + // we have already taken its break index into account above so skip it. + if (m_TextStream[startChar] == '\r' || m_TextStream[startChar] == '\n') + { + startChar++; + } + + // loop through all the characters + int i; + for (i = startChar; i < m_TextStream.Count(); ++i) + { + wchar_t ch = m_TextStream[i]; + + // line break only on whitespace characters + if (!iswspace(ch)) + { + if (hasWord) + { + // append to the current word + } + else + { + // Start a new word + wordStartIndex = i; + hasWord = true; + wordStartedOnNewLine = justStartedNewLine; + wordLength = 0; + } + } + else + { + // whitespace/punctuation character + // end the word + hasWord = false; + } + + // get the width + charWidth = getCharWidth(font, ch); + if (!iswcntrl(ch)) + { + justStartedNewLine = false; + } + + // check to see if the word is past the end of the line [wordStartIndex, i) + if ((x + charWidth) >= wide || ch == '\r' || ch == '\n') + { + // add another line + AddAnotherLine(x,y); + + justStartedNewLine = true; + hasWord = false; + + if (ch == '\r' || ch == '\n') + { + // set the break at the current character + m_LineBreaks.AddToTail(i); + } + else if (wordStartedOnNewLine) + { + // word is longer than a line, so set the break at the current cursor + m_LineBreaks.AddToTail(i); + } + else + { + // set it at the last word Start + m_LineBreaks.AddToTail(wordStartIndex); + + // just back to reparse the next line of text + i = wordStartIndex; + } + + // reset word length + wordLength = 0; + } + + // add to the size + x += charWidth; + wordLength += charWidth; + } + + _charCount = i-1; + + // end the list + m_LineBreaks.AddToTail(BUFFER_SIZE); + + // set up the scrollbar + LayoutVerticalScrollBarSlider(); +} + +//----------------------------------------------------------------------------- +// Purpose: Recalculate where the vertical scroll bar slider should be +// based on the current cursor line we are on. +//----------------------------------------------------------------------------- +void TextEntry::LayoutVerticalScrollBarSlider() +{ + // set up the scrollbar + if (_vertScrollBar) + { + int wide, tall; + GetSize (wide, tall); + + // make sure we factor in insets + int ileft, iright, itop, ibottom; + GetInset(ileft, iright, itop, ibottom); + + // with a scroll bar we take off the inset + wide -= iright; + + _vertScrollBar->SetPos(wide - _vertScrollBar->GetWide(), 0); + // scrollbar is inside the borders. + _vertScrollBar->SetSize(_vertScrollBar->GetWide(), tall - ibottom - itop); + + // calculate how many lines we can fully display + int displayLines = tall / (surface()->GetFontTall(_font) + DRAW_OFFSET_Y); + int numLines = m_LineBreaks.Count(); + + if (numLines <= displayLines) + { + // disable the scrollbar + _vertScrollBar->SetEnabled(false); + _vertScrollBar->SetRange(0, numLines); + _vertScrollBar->SetRangeWindow(numLines); + _vertScrollBar->SetValue(0); + } + else + { + // set the scrollbars range + _vertScrollBar->SetRange(0, numLines); + _vertScrollBar->SetRangeWindow(displayLines); + + _vertScrollBar->SetEnabled(true); + + // this should make it scroll one line at a time + _vertScrollBar->SetButtonPressedScrollValue(1); + + // set the value to view the last entries + int val = _vertScrollBar->GetValue(); + int maxval = _vertScrollBar->GetValue() + displayLines; + if (GetCursorLine() < val ) + { + while (GetCursorLine() < val) + { + val--; + } + } + else if (GetCursorLine() >= maxval) + { + while (GetCursorLine() >= maxval) + { + maxval++; + } + maxval -= displayLines; + val = maxval; + } + else + { + //val = GetCursorLine(); + } + + _vertScrollBar->SetValue(val); + _vertScrollBar->InvalidateLayout(); + _vertScrollBar->Repaint(); + } + } +} + + +//----------------------------------------------------------------------------- +// Purpose: Set boolean value of baseclass variables. +//----------------------------------------------------------------------------- +void TextEntry::SetEnabled(bool state) +{ + BaseClass::SetEnabled(state); + Repaint(); +} + +//----------------------------------------------------------------------------- +// Purpose: Sets whether text wraps around multiple lines or not +// Input : state - true or false +//----------------------------------------------------------------------------- +void TextEntry::SetMultiline(bool state) +{ + _multiline = state; +} + +bool TextEntry::IsMultiline() +{ + return _multiline; +} + +//----------------------------------------------------------------------------- +// Purpose: sets whether or not the edit catches and stores ENTER key presses +//----------------------------------------------------------------------------- +void TextEntry::SetCatchEnterKey(bool state) +{ + _catchEnterKey = state; +} + +//----------------------------------------------------------------------------- +// Purpose: Sets whether a vertical scrollbar is visible +// Input : state - true or false +//----------------------------------------------------------------------------- +void TextEntry::SetVerticalScrollbar(bool state) +{ + _verticalScrollbar = state; + + if (_verticalScrollbar) + { + if (!_vertScrollBar) + { + _vertScrollBar = new ScrollBar(this, "ScrollBar", true); + _vertScrollBar->AddActionSignalTarget(this); + } + + _vertScrollBar->SetVisible(true); + } + else if (_vertScrollBar) + { + _vertScrollBar->SetVisible(false); + } + + InvalidateLayout(); +} + +//----------------------------------------------------------------------------- +// Purpose: sets _editable flag +// Input : state - true or false +//----------------------------------------------------------------------------- +void TextEntry::SetEditable(bool state) +{ + if ( state ) + { + SetDropEnabled( true, 1.0f ); + } + else + { + SetDropEnabled( false ); + } + _editable = state; +} + +const wchar_t *UnlocalizeUnicode( wchar_t *unicode ) +{ + if ( !unicode ) + return L""; + + if ( *unicode == L'#' ) + { + char lookup[ 512 ]; + g_pVGuiLocalize->ConvertUnicodeToANSI( unicode + 1, lookup, sizeof( lookup ) ); + return g_pVGuiLocalize->Find( lookup ); + } + return unicode; +} + +Menu * TextEntry::GetEditMenu() +{ + return m_pEditMenu; +} + +//----------------------------------------------------------------------------- +// Purpose: Create cut/copy/paste dropdown menu +//----------------------------------------------------------------------------- +void TextEntry::CreateEditMenu() +{ + // create a drop down cut/copy/paste menu appropriate for this object's states + if (m_pEditMenu) + delete m_pEditMenu; + m_pEditMenu = new Menu(this, "EditMenu"); + + m_pEditMenu->SetFont( _font ); + + // add cut/copy/paste drop down options if its editable, just copy if it is not + if (_editable && !_hideText) + { + m_pEditMenu->AddMenuItem("#TextEntry_Cut", new KeyValues("DoCutSelected"), this); + } + + if ( !_hideText ) + { + m_pEditMenu->AddMenuItem("#TextEntry_Copy", new KeyValues("DoCopySelected"), this); + } + + if (_editable) + { + m_pEditMenu->AddMenuItem("#TextEntry_Paste", new KeyValues("DoPaste"), this); + } + + + if ( m_bAllowNonAsciiCharacters ) + { + IInput::LanguageItem *langs = NULL; + + int count = input()->GetIMELanguageList( NULL, 0 ); + if ( count > 0 ) + { + langs = new IInput::LanguageItem[ count ]; + input()->GetIMELanguageList( langs, count ); + + // Create a submenu + Menu *subMenu = new Menu( this, "LanguageMenu" ); + + subMenu->SetFont( _font ); + + for ( int i = 0; i < count; ++i ) + { + int id = subMenu->AddCheckableMenuItem( "Language", UnlocalizeUnicode( langs[ i ].menuname ), new KeyValues( "DoLanguageChanged", "handle", langs[ i ].handleValue ), this ); + if ( langs[ i ].active ) + { + subMenu->SetMenuItemChecked( id, true ); + } + } + + m_pEditMenu->AddCascadingMenuItem( "Language", "#TextEntry_Language", "", this, subMenu ); + + delete[] langs; + } + + IInput::ConversionModeItem *modes = NULL; + + count = input()->GetIMEConversionModes( NULL, 0 ); + // if count == 0 then native mode is the only mode... + if ( count > 0 ) + { + modes = new IInput::ConversionModeItem[ count ]; + input()->GetIMEConversionModes( modes, count ); + + // Create a submenu + Menu *subMenu = new Menu( this, "ConversionModeMenu" ); + + subMenu->SetFont( _font ); + + for ( int i = 0; i < count; ++i ) + { + int id = subMenu->AddCheckableMenuItem( "ConversionMode", UnlocalizeUnicode( modes[ i ].menuname ), new KeyValues( "DoConversionModeChanged", "handle", modes[ i ].handleValue ), this ); + if ( modes[ i ].active ) + { + subMenu->SetMenuItemChecked( id, true ); + } + } + + m_pEditMenu->AddCascadingMenuItem( "ConversionMode", "#TextEntry_ConversionMode", "", this, subMenu ); + + delete[] modes; + } + + IInput::SentenceModeItem *sentencemodes = NULL; + + count = input()->GetIMESentenceModes( NULL, 0 ); + // if count == 0 then native mode is the only mode... + if ( count > 0 ) + { + sentencemodes = new IInput::SentenceModeItem[ count ]; + input()->GetIMESentenceModes( sentencemodes, count ); + + // Create a submenu + Menu *subMenu = new Menu( this, "SentenceModeMenu" ); + + subMenu->SetFont( _font ); + + for ( int i = 0; i < count; ++i ) + { + int id = subMenu->AddCheckableMenuItem( "SentenceMode", UnlocalizeUnicode( sentencemodes[ i ].menuname ), new KeyValues( "DoConversionModeChanged", "handle", modes[ i ].handleValue ), this ); + if ( modes[ i ].active ) + { + subMenu->SetMenuItemChecked( id, true ); + } + } + + m_pEditMenu->AddCascadingMenuItem( "SentenceMode", "#TextEntry_SentenceMode", "", this, subMenu ); + + delete[] sentencemodes; + } + } + + + m_pEditMenu->SetVisible(false); + m_pEditMenu->SetParent(this); + m_pEditMenu->AddActionSignalTarget(this); +} + +//----------------------------------------------------------------------------- +// Purpsoe: Returns state of _editable flag +//----------------------------------------------------------------------------- +bool TextEntry::IsEditable() +{ + return _editable && IsEnabled(); +} + +//----------------------------------------------------------------------------- +// Purpose: We want single line windows to scroll horizontally and select text +// in response to clicking and holding outside window +//----------------------------------------------------------------------------- +void TextEntry::OnMouseFocusTicked() +{ + // if a button is down move the scrollbar slider the appropriate direction + if (_mouseDragSelection) // text is being selected via mouse clicking and dragging + { + OnCursorMoved(0,0); // we want the text to scroll as if we were dragging + } +} + +//----------------------------------------------------------------------------- +// Purpose: If a cursor enters the window, we are not elegible for +// MouseFocusTicked events +//----------------------------------------------------------------------------- +void TextEntry::OnCursorEntered() +{ + _mouseDragSelection = false; // outside of window dont recieve drag scrolling ticks +} + +//----------------------------------------------------------------------------- +// Purpose: When the cursor is outside the window, if we are holding the mouse +// button down, then we want the window to scroll the text one char at a time +// using Ticks +//----------------------------------------------------------------------------- +void TextEntry::OnCursorExited() // outside of window recieve drag scrolling ticks +{ + if (_mouseSelection) + _mouseDragSelection = true; +} + +//----------------------------------------------------------------------------- +// Purpose: Handle selection of text by mouse +//----------------------------------------------------------------------------- +void TextEntry::OnCursorMoved(int x, int y) +{ + if (_mouseSelection) + { + // update the cursor position + int x, y; + input()->GetCursorPos(x, y); + ScreenToLocal(x, y); + _cursorPos = PixelToCursorSpace(x, y); + + // if we are at Start of buffer don't put cursor at end, this will keep + // window from scrolling up to a blank line + if (_cursorPos == 0) + _putCursorAtEnd = false; + + // scroll if we went off left side + if (_cursorPos == _currentStartIndex) + { + if (_cursorPos > 0) + _cursorPos--; + + ScrollLeft(); + _cursorPos = _currentStartIndex; + } + if ( _cursorPos != _select[1]) + { + _select[1] = _cursorPos; + Repaint(); + } + } +} + +//----------------------------------------------------------------------------- +// Purpose: Handle Mouse button down events. +//----------------------------------------------------------------------------- +void TextEntry::OnMousePressed(MouseCode code) +{ + if (code == MOUSE_LEFT) + { + bool keepChecking = SelectCheck( true ); + if ( !keepChecking ) + { + BaseClass::OnMousePressed( code ); + return; + } + + // move the cursor to where the mouse was pressed + int x, y; + input()->GetCursorPos(x, y); + ScreenToLocal(x, y); + + _cursorIsAtEnd = _putCursorAtEnd; // save this off before calling PixelToCursorSpace() + _cursorPos = PixelToCursorSpace(x, y); + // if we are at Start of buffer don't put cursor at end, this will keep + // window from scrolling up to a blank line + if (_cursorPos == 0) + _putCursorAtEnd = false; + + // enter selection mode + input()->SetMouseCapture(GetVPanel()); + _mouseSelection = true; + + if (_select[0] < 0) + { + // if no initial selection position, Start selection position at cursor + _select[0] = _cursorPos; + } + _select[1] = _cursorPos; + + ResetCursorBlink(); + RequestFocus(); + Repaint(); + } + else if (code == MOUSE_RIGHT) // check for context menu open + { + CreateEditMenu(); + Assert(m_pEditMenu); + + OpenEditMenu(); + } +} + +//----------------------------------------------------------------------------- +// Purpose: Handle mouse button up events +//----------------------------------------------------------------------------- +void TextEntry::OnMouseReleased(MouseCode code) +{ + _mouseSelection = false; + + input()->SetMouseCapture(NULL); + + // make sure something has been selected + int cx0, cx1; + if (GetSelectedRange(cx0, cx1)) + { + if (cx1 - cx0 == 0) + { + // nullify selection + _select[0] = -1; + } + } +} + +//----------------------------------------------------------------------------- +// Purpose: +// Input : code - +//----------------------------------------------------------------------------- +void TextEntry::OnMouseTriplePressed( MouseCode code ) +{ + BaseClass::OnMouseTriplePressed( code ); + + // left triple clicking on a word selects all + if (code == MOUSE_LEFT) + { + GotoTextEnd(); + + SelectAllText( false ); + } +} + +//----------------------------------------------------------------------------- +// Purpose: Handle mouse double clicks +//----------------------------------------------------------------------------- +void TextEntry::OnMouseDoublePressed(MouseCode code) +{ + // left double clicking on a word selects the word + if (code == MOUSE_LEFT) + { + // move the cursor just as if you single clicked. + OnMousePressed(code); + // then find the start and end of the word we are in to highlight it. + int selectSpot[2]; + GotoWordLeft(); + selectSpot[0] = _cursorPos; + GotoWordRight(); + selectSpot[1] = _cursorPos; + + if (_cursorPos > 0) + { + if (iswspace(m_TextStream[_cursorPos - 1])) + { + selectSpot[1]--; + _cursorPos--; + } + + _select[0] = selectSpot[0]; + _select[1] = selectSpot[1]; + _mouseSelection = true; + } + } + +} + +//----------------------------------------------------------------------------- +// Purpose: Turn off text selection code when mouse button is not down +//----------------------------------------------------------------------------- +void TextEntry::OnMouseCaptureLost() +{ + _mouseSelection = false; +} + +//----------------------------------------------------------------------------- +// Purpose: Only pass some keys upwards +// everything else we don't relay to the parent +//----------------------------------------------------------------------------- +void TextEntry::OnKeyCodePressed(KeyCode code) +{ + // Pass enter on only if _catchEnterKey isn't set + if ( code == KEY_ENTER ) + { + if ( !_catchEnterKey ) + { + Panel::OnKeyCodePressed( code ); + return; + } + } + + // Forward on just a few key codes, everything else can be handled by TextEntry itself + switch ( code ) + { + case KEY_F1: + case KEY_F2: + case KEY_F3: + case KEY_F4: + case KEY_F5: + case KEY_F6: + case KEY_F7: + case KEY_F8: + case KEY_F9: + case KEY_F10: + case KEY_F11: + case KEY_F12: + case KEY_ESCAPE: + case KEY_APP: + Panel::OnKeyCodePressed( code ); + return; + } + + // Pass on the joystick and mouse codes + if ( IsMouseCode(code) || IsNovintButtonCode(code) || IsJoystickCode(code) || IsJoystickButtonCode(code) || + IsJoystickPOVCode(code) || IsJoystickPOVCode(code) || IsJoystickAxisCode(code) ) + { + Panel::OnKeyCodePressed( code ); + return; + } + +} + + +//----------------------------------------------------------------------------- +// Purpose: Masks which keys get chained up +// Maps keyboard input to text window functions. +//----------------------------------------------------------------------------- +void TextEntry::OnKeyCodeTyped(KeyCode code) +{ + _cursorIsAtEnd = _putCursorAtEnd; + _putCursorAtEnd = false; + + bool shift = (input()->IsKeyDown(KEY_LSHIFT) || input()->IsKeyDown(KEY_RSHIFT)); + bool ctrl = (input()->IsKeyDown(KEY_LCONTROL) || input()->IsKeyDown(KEY_RCONTROL)); + bool alt = (input()->IsKeyDown(KEY_LALT) || input()->IsKeyDown(KEY_RALT)); + bool winkey = (input()->IsKeyDown(KEY_LWIN) || input()->IsKeyDown(KEY_RWIN)); + bool fallThrough = false; + + if ( ( ctrl || ( winkey && IsOSX() ) ) && !alt) + { + switch(code) + { + case KEY_A: + SelectAllText(false); + // move the cursor to the end + _cursorPos = _select[1]; + break; + + case KEY_INSERT: + case KEY_C: + { + CopySelected(); + break; + } + case KEY_V: + { + DeleteSelected(); + Paste(); + break; + } + case KEY_X: + { + CopySelected(); + DeleteSelected(); + break; + } + case KEY_Z: + { + Undo(); + break; + } + case KEY_RIGHT: + { + GotoWordRight(); + break; + } + case KEY_LEFT: + { + GotoWordLeft(); + break; + } + case KEY_ENTER: + { + // insert a newline + if (_multiline) + { + DeleteSelected(); + SaveUndoState(); + InsertChar('\n'); + } + // fire newlines back to the main target if asked to + if(_sendNewLines) + { + PostActionSignal(new KeyValues("TextNewLine")); + } + break; + } + case KEY_HOME: + { + GotoTextStart(); + break; + } + case KEY_END: + { + GotoTextEnd(); + break; + } + case KEY_PAGEUP: + { + OnChangeIME( true ); + } + break; + case KEY_PAGEDOWN: + { + OnChangeIME( false ); + } + break; + case KEY_UP: + case KEY_DOWN: + if ( m_bAllowNonAsciiCharacters ) + { + FlipToLastIME(); + } + else + { + fallThrough = true; + } + break; + default: + { + fallThrough = true; + break; + } + } + } + else if (alt) + { + // do nothing with ALT-x keys + if ( !m_bAllowNonAsciiCharacters || ( code != KEY_BACKQUOTE ) ) + { + fallThrough = true; + } + } + else + { + switch(code) + { + case KEY_TAB: + case KEY_LSHIFT: + case KEY_RSHIFT: + case KEY_ESCAPE: + { + fallThrough = true; + break; + } + case KEY_INSERT: + { + if (shift) + { + DeleteSelected(); + Paste(); + } + else + { + fallThrough = true; + } + + break; + } + case KEY_DELETE: + { + if (shift) + { + // shift-delete is cut + CopySelected(); + DeleteSelected(); + } + else + { + Delete(); + } + break; + } + case KEY_LEFT: + { + GotoLeft(); + break; + } + case KEY_RIGHT: + { + GotoRight(); + break; + } + case KEY_UP: + { + if (_multiline) + { + GotoUp(); + } + else + { + fallThrough = true; + } + break; + } + case KEY_DOWN: + { + if (_multiline) + { + GotoDown(); + } + else + { + fallThrough = true; + } + break; + } + case KEY_HOME: + { + if (_multiline) + { + GotoFirstOfLine(); + } + else + { + GotoTextStart(); + } + break; + } + case KEY_END: + { + GotoEndOfLine(); + break; + } + case KEY_BACKSPACE: + { + int x0, x1; + if (GetSelectedRange(x0, x1)) + { + // act just like delete if there is a selection + DeleteSelected(); + } + else + { + Backspace(); + } + break; + } + case KEY_ENTER: + { + // insert a newline + if (_multiline && _catchEnterKey) + { + DeleteSelected(); + SaveUndoState(); + InsertChar('\n'); + } + else + { + fallThrough = true; + } + // fire newlines back to the main target if asked to + if(_sendNewLines) + { + PostActionSignal(new KeyValues("TextNewLine")); + } + break; + } + case KEY_PAGEUP: + { + int val = 0; + fallThrough = (!_multiline) && (!_vertScrollBar); + if (_vertScrollBar) + { + val = _vertScrollBar->GetValue(); + } + + // if there is a scroll bar scroll down one rangewindow + if (_multiline) + { + int displayLines = GetTall() / (surface()->GetFontTall(_font) + DRAW_OFFSET_Y); + // move the cursor down + for (int i=0; i < displayLines; i++) + { + GotoUp(); + } + } + + // if there is a scroll bar scroll down one rangewindow + if (_vertScrollBar) + { + int window = _vertScrollBar->GetRangeWindow(); + int newval = _vertScrollBar->GetValue(); + int linesToMove = window - (val - newval); + _vertScrollBar->SetValue(val - linesToMove - 1); + } + break; + + } + case KEY_PAGEDOWN: + { + int val = 0; + fallThrough = (!_multiline) && (!_vertScrollBar); + if (_vertScrollBar) + { + val = _vertScrollBar->GetValue(); + } + + if (_multiline) + { + int displayLines = GetTall() / (surface()->GetFontTall(_font) + DRAW_OFFSET_Y); + // move the cursor down + for (int i=0; i < displayLines; i++) + { + GotoDown(); + } + } + + // if there is a scroll bar scroll down one rangewindow + if (_vertScrollBar) + { + int window = _vertScrollBar->GetRangeWindow(); + int newval = _vertScrollBar->GetValue(); + int linesToMove = window - (newval - val); + _vertScrollBar->SetValue(val + linesToMove + 1); + } + break; + } + + case KEY_F1: + case KEY_F2: + case KEY_F3: + case KEY_F4: + case KEY_F5: + case KEY_F6: + case KEY_F7: + case KEY_F8: + case KEY_F9: + case KEY_F10: + case KEY_F11: + case KEY_F12: + { + fallThrough = true; + break; + } + + default: + { + // return if any other char is pressed. + // as it will be a unicode char. + // and we don't want select[1] changed unless a char was pressed that this fxn handles + return; + } + } + } + + // select[1] is the location in the line where the blinking cursor started + _select[1] = _cursorPos; + + if (_dataChanged) + { + FireActionSignal(); + } + + // chain back on some keys + if (fallThrough) + { + _putCursorAtEnd=_cursorIsAtEnd; // keep state of cursor on fallthroughs + BaseClass::OnKeyCodeTyped(code); + } +} + + +//----------------------------------------------------------------------------- +// Purpose: Masks which keys get chained up +// Maps keyboard input to text window functions. +//----------------------------------------------------------------------------- +void TextEntry::OnKeyTyped(wchar_t unichar) +{ + _cursorIsAtEnd = _putCursorAtEnd; + _putCursorAtEnd=false; + + bool fallThrough = false; + + // KeyCodes handle all non printable chars + if (iswcntrl(unichar) || unichar == 9 ) // tab key (code 9) is printable but handled elsewhere + return; + + // do readonly keys + if (!IsEditable()) + { + BaseClass::OnKeyTyped(unichar); + return; + } + + if (unichar != 0) + { + DeleteSelected(); + SaveUndoState(); + InsertChar(unichar); + } + + // select[1] is the location in the line where the blinking cursor started + _select[1] = _cursorPos; + + if (_dataChanged) + { + FireActionSignal(); + } + + // chain back on some keys + if (fallThrough) + { + _putCursorAtEnd=_cursorIsAtEnd; // keep state of cursor on fallthroughs + BaseClass::OnKeyTyped(unichar); + } +} + + +//----------------------------------------------------------------------------- +// Purpose: Scrolls the list according to the mouse wheel movement +//----------------------------------------------------------------------------- +void TextEntry::OnMouseWheeled(int delta) +{ + if (_vertScrollBar) + { + MoveScrollBar(delta); + } + else + { + // if we don't use the input, chain back + BaseClass::OnMouseWheeled(delta); + } +} + +//----------------------------------------------------------------------------- +// Purpose: Scrolls the list +// Input : delta - amount to move scrollbar up +//----------------------------------------------------------------------------- +void TextEntry::MoveScrollBar(int delta) +{ + if (_vertScrollBar) + { + int val = _vertScrollBar->GetValue(); + val -= (delta * 3); + _vertScrollBar->SetValue(val); + } +} + +//----------------------------------------------------------------------------- +// Purpose: Called every frame the entry has keyboard focus; +// blinks the text cursor +//----------------------------------------------------------------------------- +void TextEntry::OnKeyFocusTicked() +{ + int time=system()->GetTimeMillis(); + if(time>_cursorNextBlinkTime) + { + _cursorBlink=!_cursorBlink; + _cursorNextBlinkTime=time+_cursorBlinkRate; + Repaint(); + } +} + +Panel *TextEntry::GetDragPanel() +{ + if ( input()->IsMouseDown( MOUSE_LEFT ) ) + { + int x, y; + input()->GetCursorPos(x, y); + ScreenToLocal(x, y); + int cursor = PixelToCursorSpace(x, y); + + int cx0, cx1; + bool check = GetSelectedRange( cx0, cx1 ); + + if ( check && cursor >= cx0 && cursor < cx1 ) + { + // Don't deselect in this case!!! + return BaseClass::GetDragPanel(); + } + return NULL; + } + + return BaseClass::GetDragPanel(); +} + +void TextEntry::OnCreateDragData( KeyValues *msg ) +{ + BaseClass::OnCreateDragData( msg ); + + char txt[ 256 ]; + GetText( txt, sizeof( txt ) ); + + int r0, r1; + if ( GetSelectedRange( r0, r1 ) && r0 != r1 ) + { + int len = r1 - r0; + if ( len > 0 && r0 < 1024 ) + { + char selection[ 512 ]; + Q_strncpy( selection, &txt[ r0 ], len + 1 ); + selection[ len ] = 0; + msg->SetString( "text", selection ); + } + } +} + +//----------------------------------------------------------------------------- +// Purpose: Check if we are selecting text (so we can highlight it) +//----------------------------------------------------------------------------- +bool TextEntry::SelectCheck( bool fromMouse /*=false*/ ) +{ + bool bret = true; + if (!HasFocus() || !(input()->IsKeyDown(KEY_LSHIFT) || input()->IsKeyDown(KEY_RSHIFT))) + { + bool deselect = true; + int cx0, cx1; + if ( fromMouse && + GetDragPanel() != NULL ) + { + // move the cursor to where the mouse was pressed + int x, y; + input()->GetCursorPos(x, y); + ScreenToLocal(x, y); + int cursor = PixelToCursorSpace(x, y); + + bool check = GetSelectedRange( cx0, cx1 ); + + if ( check && cursor >= cx0 && cursor < cx1 ) + { + // Don't deselect in this case!!! + deselect = false; + bret = false; + } + } + + if ( deselect ) + { + _select[0] = -1; + } + } + else if (_select[0] == -1) + { + _select[0] = _cursorPos; + } + return bret; +} + +//----------------------------------------------------------------------------- +// Purpose: set the maximum number of chars in the text buffer +//----------------------------------------------------------------------------- +void TextEntry::SetMaximumCharCount(int maxChars) +{ + _maxCharCount = maxChars; +} + +//----------------------------------------------------------------------------- +// Purpose: data accessor +//----------------------------------------------------------------------------- +int TextEntry::GetMaximumCharCount() +{ + return _maxCharCount; +} + +//----------------------------------------------------------------------------- +// Purpose: data accessor +//----------------------------------------------------------------------------- +void TextEntry::SetAutoProgressOnHittingCharLimit(bool state) +{ + m_bAutoProgressOnHittingCharLimit = state; +} + +//----------------------------------------------------------------------------- +// Purpose: set whether to wrap the text buffer +//----------------------------------------------------------------------------- +void TextEntry::SetWrap(bool wrap) +{ + _wrap = wrap; +} + +//----------------------------------------------------------------------------- +// Purpose: set whether to pass newline msgs to parent +//----------------------------------------------------------------------------- +void TextEntry::SendNewLine(bool send) +{ + _sendNewLines = send; +} + +//----------------------------------------------------------------------------- +// Purpose: Tell if an index is a linebreakindex +//----------------------------------------------------------------------------- +bool TextEntry::IsLineBreak(int index) +{ + for (int i=0; i 0) + { + _cursorPos--; + } + + ScrollLeft(); + + ResetCursorBlink(); + Repaint(); +} + +//----------------------------------------------------------------------------- +// Purpose: Move the cursor one character to the right, scroll the text +// horizontally if needed +//----------------------------------------------------------------------------- +void TextEntry::GotoRight() +{ + SelectCheck(); + + // if we are on a line break just move the cursor to the next line + if (IsLineBreak(_cursorPos)) + { + if (_cursorIsAtEnd) + { + _putCursorAtEnd = false; + } + else + { + // if we are not at end increment cursor + if (_cursorPos < m_TextStream.Count()) + { + _cursorPos++; + } + } + } + else + { + // if we are not at end increment cursor + if (_cursorPos < m_TextStream.Count()) + { + _cursorPos++; + } + + // if we are on a line break move the cursor to end of line + if (IsLineBreak(_cursorPos)) + { + if (!_cursorIsAtEnd) + _putCursorAtEnd = true; + } + } + // scroll right if we need to + ScrollRight(); + + ResetCursorBlink(); + Repaint(); +} + +//----------------------------------------------------------------------------- +// Purpose: Find out what line the cursor is on +//----------------------------------------------------------------------------- +int TextEntry::GetCursorLine() +{ + // find which line the cursor is on + int cursorLine; + for (cursorLine = 0; cursorLine < m_LineBreaks.Count(); cursorLine++) + { + if (_cursorPos < m_LineBreaks[cursorLine]) + break; + } + + if (_putCursorAtEnd) // correct for when cursor is at end of line rather than Start of next + { + // we are not at end of buffer, in which case there is no next line to be at the Start of + if (_cursorPos != m_TextStream.Count() ) + cursorLine--; + } + + return cursorLine; +} + +//----------------------------------------------------------------------------- +// Purpose: Move the cursor one line up +//----------------------------------------------------------------------------- +void TextEntry::GotoUp() +{ + SelectCheck(); + + if (_cursorIsAtEnd) + { + if ( (GetCursorLine() - 1 ) == 0) // we are on first line + { + // stay at end of line + _putCursorAtEnd = true; + return; // dont move the cursor + } + else + _cursorPos--; + } + + int cx, cy; + CursorToPixelSpace(_cursorPos, cx, cy); + + // move the cursor to the previous line + MoveCursor(GetCursorLine() - 1, cx); +} + + +//----------------------------------------------------------------------------- +// Purpose: Move the cursor one line down +//----------------------------------------------------------------------------- +void TextEntry::GotoDown() +{ + SelectCheck(); + + if (_cursorIsAtEnd) + { + _cursorPos--; + if (_cursorPos < 0) + _cursorPos = 0; + } + + int cx, cy; + CursorToPixelSpace(_cursorPos, cx, cy); + + // move the cursor to the next line + MoveCursor(GetCursorLine() + 1, cx); + if (!_putCursorAtEnd && _cursorIsAtEnd ) + { + _cursorPos++; + if (_cursorPos > m_TextStream.Count()) + { + _cursorPos = m_TextStream.Count(); + } + } + LayoutVerticalScrollBarSlider(); +} + +//----------------------------------------------------------------------------- +// Purpose: Set the starting ypixel positon for a walk through the window +//----------------------------------------------------------------------------- +int TextEntry::GetYStart() +{ + if (_multiline) + { + // just Start from the top + return DRAW_OFFSET_Y; + } + + int fontTall = surface()->GetFontTall(_font); + return (GetTall() / 2) - (fontTall / 2); +} + +//----------------------------------------------------------------------------- +// Purpose: Move the cursor to a line, need to know how many pixels are in a line +//----------------------------------------------------------------------------- +void TextEntry::MoveCursor(int line, int pixelsAcross) +{ + // clamp to a valid line + if (line < 0) + line = 0; + if (line >= m_LineBreaks.Count()) + line = m_LineBreaks.Count() -1; + + // walk the whole text set looking for our place + // work out where to Start checking + + int yStart = GetYStart(); + + int x = DRAW_OFFSET_X, y = yStart; + int lineBreakIndexIndex = 0; + _pixelsIndent = 0; + int i; + for ( i = 0; i < m_TextStream.Count(); i++) + { + wchar_t ch = m_TextStream[i]; + + if (_hideText) + { + ch = '*'; + } + + // if we've passed a line break go to that + if (m_LineBreaks[lineBreakIndexIndex] == i) + { + if (lineBreakIndexIndex == line) + { + _putCursorAtEnd = true; + _cursorPos = i; + break; + } + + // add another line + AddAnotherLine(x,y); + lineBreakIndexIndex++; + + } + + // add to the current position + int charWidth = getCharWidth(_font, ch); + + if (line == lineBreakIndexIndex) + { + // check to see if we're in range + if ((x + (charWidth / 2)) > pixelsAcross) + { + // found position + _cursorPos = i; + break; + } + } + + x += charWidth; + } + + // if we never find the cursor it must be past the end + // of the text buffer, to let's just slap it on the end of the text buffer then. + if (i == m_TextStream.Count()) + { + GotoTextEnd(); + } + + LayoutVerticalScrollBarSlider(); + ResetCursorBlink(); + Repaint(); +} + +//----------------------------------------------------------------------------- +// Purpose: Turn horizontal scrolling on or off. +// Horizontal scrolling is disabled in multline windows. +// Toggling this will disable it in single line windows as well. +//----------------------------------------------------------------------------- +void TextEntry::SetHorizontalScrolling(bool status) +{ + _horizScrollingAllowed = status; +} + +//----------------------------------------------------------------------------- +// Purpose: Horizontal scrolling function, not used in multiline windows +// Function will scroll the buffer to the left if the cursor is not in the window +// scroll left if we need to +//----------------------------------------------------------------------------- +void TextEntry::ScrollLeft() +{ + if (_multiline) // early out + { + return; + } + + if (!_horizScrollingAllowed) //early out + { + return; + } + + if(_cursorPos < _currentStartIndex) // scroll left if we need to + { + if (_cursorPos < 0)// dont scroll past the Start of buffer + { + _cursorPos=0; + } + _currentStartIndex = _cursorPos; + } + + LayoutVerticalScrollBarSlider(); +} + +//----------------------------------------------------------------------------- +// Purpose: +//----------------------------------------------------------------------------- +void TextEntry::ScrollLeftForResize() +{ + if (_multiline) // early out + { + return; + } + + if (!_horizScrollingAllowed) //early out + { + return; + } + + while (_currentStartIndex > 0) // go until we hit leftmost + { + _currentStartIndex--; + int nVal = _currentStartIndex; + + // check if the cursor is now off the screen + if (IsCursorOffRightSideOfWindow(_cursorPos)) + { + _currentStartIndex++; // we've gone too far, return it + break; + } + + // IsCursorOffRightSideOfWindow actually fixes the _currentStartIndex, + // so if our value changed that menas we really are off the screen + if (nVal != _currentStartIndex) + break; + } + LayoutVerticalScrollBarSlider(); +} + +//----------------------------------------------------------------------------- +// Purpose: Horizontal scrolling function, not used in multiline windows +// Scroll one char right until the cursor is visible in the window. +// We do this one char at a time because char width isn't a constant. +//----------------------------------------------------------------------------- +void TextEntry::ScrollRight() +{ + if (!_horizScrollingAllowed) + return; + + if (_multiline) + { + } + // check if cursor is off the right side of window + else if (IsCursorOffRightSideOfWindow(_cursorPos)) + { + _currentStartIndex++; //scroll over + ScrollRight(); // scroll again, check if cursor is in window yet + } + + LayoutVerticalScrollBarSlider(); +} + +//----------------------------------------------------------------------------- +// Purpose: Check and see if cursor position is off the right side of the window +// just compare cursor's pixel coords with the window size coords. +// Input: an integer cursor Position, if you pass _cursorPos fxn will tell you +// if current cursor is outside window. +// Output: true: cursor is outside right edge or window +// false: cursor is inside right edge +//----------------------------------------------------------------------------- +bool TextEntry::IsCursorOffRightSideOfWindow(int cursorPos) +{ + int cx, cy; + CursorToPixelSpace(cursorPos, cx, cy); + int wx=GetWide()-1; //width of inside of window is GetWide()-1 + if ( wx <= 0 ) + return false; + + return (cx >= wx); +} + +//----------------------------------------------------------------------------- +// Purpose: Check and see if cursor position is off the left side of the window +// just compare cursor's pixel coords with the window size coords. +// Input: an integer cursor Position, if you pass _cursorPos fxn will tell you +// if current cursor is outside window. +// Output: true - cursor is outside left edge or window +// false - cursor is inside left edge +//----------------------------------------------------------------------------- +bool TextEntry::IsCursorOffLeftSideOfWindow(int cursorPos) +{ + int cx, cy; + CursorToPixelSpace(cursorPos, cx, cy); + return (cx <= 0); +} + +//----------------------------------------------------------------------------- +// Purpose: Move the cursor over to the Start of the next word to the right +//----------------------------------------------------------------------------- +void TextEntry::GotoWordRight() +{ + SelectCheck(); + + // search right until we hit a whitespace character or a newline + while (++_cursorPos < m_TextStream.Count()) + { + if (iswspace(m_TextStream[_cursorPos])) + break; + } + + // search right until we hit an nonspace character + while (++_cursorPos < m_TextStream.Count()) + { + if (!iswspace(m_TextStream[_cursorPos])) + break; + } + + if (_cursorPos > m_TextStream.Count()) + _cursorPos = m_TextStream.Count(); + + // now we are at the start of the next word + + // scroll right if we need to + ScrollRight(); + + LayoutVerticalScrollBarSlider(); + ResetCursorBlink(); + Repaint(); +} + +//----------------------------------------------------------------------------- +// Purpose: Move the cursor over to the Start of the next word to the left +//----------------------------------------------------------------------------- +void TextEntry::GotoWordLeft() +{ + SelectCheck(); + + if (_cursorPos < 1) + return; + + // search left until we hit an nonspace character + while (--_cursorPos >= 0) + { + if (!iswspace(m_TextStream[_cursorPos])) + break; + } + + // search left until we hit a whitespace character + while (--_cursorPos >= 0) + { + if (iswspace(m_TextStream[_cursorPos])) + { + break; + } + } + + // we end one character off + _cursorPos++; + // now we are at the Start of the previous word + + + // scroll left if we need to + ScrollLeft(); + + LayoutVerticalScrollBarSlider(); + ResetCursorBlink(); + Repaint(); +} + +//----------------------------------------------------------------------------- +// Purpose: Move cursor to the Start of the text buffer +//----------------------------------------------------------------------------- +void TextEntry::GotoTextStart() +{ + SelectCheck(); + _cursorPos = 0; // set cursor to Start + _putCursorAtEnd = false; + _currentStartIndex=0; // scroll over to Start + + LayoutVerticalScrollBarSlider(); + ResetCursorBlink(); + Repaint(); +} + +//----------------------------------------------------------------------------- +// Purpose: Move cursor to the end of the text buffer +//----------------------------------------------------------------------------- +void TextEntry::GotoTextEnd() +{ + SelectCheck(); + _cursorPos=m_TextStream.Count(); // set cursor to end of buffer + _putCursorAtEnd = true; // move cursor Start of next line + ScrollRight(); // scroll over until cursor is on screen + + LayoutVerticalScrollBarSlider(); + ResetCursorBlink(); + Repaint(); +} + +//----------------------------------------------------------------------------- +// Purpose: Move cursor to the Start of the current line +//----------------------------------------------------------------------------- +void TextEntry::GotoFirstOfLine() +{ + SelectCheck(); + // to get to the Start of the line you have to take into account line wrap + // we have to figure out at which point the line wraps + // given the current cursor position, select[1], find the index that is the + // line Start to the left of the cursor + //_cursorPos = 0; //TODO: this is wrong, should go to first non-whitespace first, then to zero + _cursorPos = GetCurrentLineStart(); + _putCursorAtEnd = false; + + _currentStartIndex=_cursorPos; + + LayoutVerticalScrollBarSlider(); + ResetCursorBlink(); + Repaint(); +} + +//----------------------------------------------------------------------------- +// Purpose: Get the index of the first char on the current line +//----------------------------------------------------------------------------- +int TextEntry::GetCurrentLineStart() +{ + if (!_multiline) // quick out for non multline buffers + return _currentStartIndex; + + int i; + if (IsLineBreak(_cursorPos)) + { + for (i = 0; i < m_LineBreaks.Count(); ++i ) + { + if (_cursorPos == m_LineBreaks[i]) + break; + } + if (_cursorIsAtEnd) + { + if (i > 0) + { + return m_LineBreaks[i-1]; + } + return m_LineBreaks[0]; + } + else + return _cursorPos; // we are already at Start + } + + for ( i = 0; i < m_LineBreaks.Count(); ++i ) + { + if (_cursorPos < m_LineBreaks[i]) + { + if (i == 0) + return 0; + else + return m_LineBreaks[i-1]; + } + } + // if there were no line breaks, the first char in the line is the Start of the buffer + return 0; +} + +//----------------------------------------------------------------------------- +// Purpose: Move cursor to the end of the current line +//----------------------------------------------------------------------------- +void TextEntry::GotoEndOfLine() +{ + SelectCheck(); + // to get to the end of the line you have to take into account line wrap in the buffer + // we have to figure out at which point the line wraps + // given the current cursor position, select[1], find the index that is the + // line end to the right of the cursor + //_cursorPos=m_TextStream.Count(); //TODO: this is wrong, should go to last non-whitespace, then to true EOL + _cursorPos = GetCurrentLineEnd(); + _putCursorAtEnd = true; + + ScrollRight(); + + LayoutVerticalScrollBarSlider(); + ResetCursorBlink(); + Repaint(); +} + +//----------------------------------------------------------------------------- +// Purpose: Get the index of the last char on the current line +//----------------------------------------------------------------------------- +int TextEntry::GetCurrentLineEnd() +{ + int i; + if (IsLineBreak(_cursorPos) ) + { + for ( i = 0; i < m_LineBreaks.Count()-1; ++i ) + { + if (_cursorPos == m_LineBreaks[i]) + break; + } + if (!_cursorIsAtEnd) + { + if (i == m_LineBreaks.Count()-2 ) + m_TextStream.Count(); + else + return m_LineBreaks[i+1]; + } + else + return _cursorPos; // we are already at end + } + + for ( i = 0; i < m_LineBreaks.Count()-1; i++ ) + { + if ( _cursorPos < m_LineBreaks[i]) + { + return m_LineBreaks[i]; + } + } + return m_TextStream.Count(); +} + +//----------------------------------------------------------------------------- +// Purpose: Insert a character into the text buffer +//----------------------------------------------------------------------------- +void TextEntry::InsertChar(wchar_t ch) +{ + // throw away redundant linefeed characters + if (ch == '\r') + return; + + // no newline characters in single-line dialogs + if (!_multiline && ch == '\n') + return; + + // no tab characters + if (ch == '\t') + return; + + if (m_bAllowNumericInputOnly) + { + if (!iswdigit(ch) && ((char)ch != '.')) + { + surface()->PlaySound("Resource\\warning.wav"); + return; + } + } + + // check against unicode characters + if (!m_bAllowNonAsciiCharacters) + { + if (ch > 127) + return; + } + + // don't add characters if the max char count has been reached + // ding at the user + if (_maxCharCount > -1 && m_TextStream.Count() >= _maxCharCount) + { + if (_maxCharCount>0 && _multiline && _wrap) + { + // if we wrap lines rather than stopping + while (m_TextStream.Count() > _maxCharCount) + { + if (_recalculateBreaksIndex==0) + { + // we can get called before this has been run for the first time :) + RecalculateLineBreaks(); + } + if (m_LineBreaks[0]> m_TextStream.Count()) + { + // if the line break is the past the end of the buffer recalc + _recalculateBreaksIndex=-1; + RecalculateLineBreaks(); + } + + if (m_LineBreaks[0]+1 < m_TextStream.Count()) + { + // delete the line + m_TextStream.RemoveMultiple(0, m_LineBreaks[0]); + + // in case we just deleted text from where the cursor is + if (_cursorPos> m_TextStream.Count()) + { + _cursorPos = m_TextStream.Count(); + } + else + { // shift the cursor up. don't let it wander past zero + _cursorPos-=m_LineBreaks[0]+1; + if (_cursorPos<0) + { + _cursorPos=0; + } + } + + // move any selection area up + if(_select[0]>-1) + { + _select[0] -=m_LineBreaks[0]+1; + + if(_select[0] <=0) + { + _select[0] =-1; + } + + _select[1] -=m_LineBreaks[0]+1; + if(_select[1] <=0) + { + _select[1] =-1; + } + + } + + // now redraw the buffer + for (int i = m_TextStream.Count() - 1; i >= 0; i--) + { + SetCharAt(m_TextStream[i], i+1); + } + + // redo all the line breaks + _recalculateBreaksIndex=-1; + RecalculateLineBreaks(); + + } + } + + } + else + { + // make a sound + // we've hit the max character limit + surface()->PlaySound("Resource\\warning.wav"); + return; + } + } + + + if (_wrap) + { + // when wrapping you always insert the new char at the end of the buffer + SetCharAt(ch, m_TextStream.Count()); + _cursorPos=m_TextStream.Count(); + } + else + { + // move chars right 1 starting from cursor, then replace cursorPos with char and increment cursor + for (int i = m_TextStream.Count()- 1; i >= _cursorPos; i--) + { + SetCharAt(m_TextStream[i], i+1); + } + + SetCharAt(ch, _cursorPos); + _cursorPos++; + } + + // if its a newline char we can't do the slider until we recalc the line breaks + if (ch == '\n') + { + RecalculateLineBreaks(); + } + + // see if we've hit the char limit + if (m_bAutoProgressOnHittingCharLimit && m_TextStream.Count() == _maxCharCount) + { + // move the next panel (most likely another TextEntry) + RequestFocusNext(); + } + + // scroll right if this pushed the cursor off screen + ScrollRight(); + + _dataChanged = true; + + CalcBreakIndex(); + LayoutVerticalScrollBarSlider(); + ResetCursorBlink(); + Repaint(); +} + +//----------------------------------------------------------------------------- +// Purpose: Get the lineBreakIndex index of the line before the cursor +// note _recalculateBreaksIndex < 0 flags RecalculateLineBreaks +// to figure it all out from scratch +//----------------------------------------------------------------------------- +void TextEntry::CalcBreakIndex() +{ + // an optimization to handle when the cursor is at the end of the buffer. + // pays off if the buffer is large, and the search loop would be long. + if (_cursorPos == m_TextStream.Count()) + { + // we know m_LineBreaks array always has at least one element in it (99999 sentinel) + // when there is just one line this will make recalc = -1 which is ok. + _recalculateBreaksIndex = m_LineBreaks.Count()-2; + return; + } + + _recalculateBreaksIndex=0; + // find the line break just before the cursor position + while (_cursorPos > m_LineBreaks[_recalculateBreaksIndex]) + ++_recalculateBreaksIndex; + + // -1 is ok. + --_recalculateBreaksIndex; +} + +//----------------------------------------------------------------------------- +// Purpose: Insert a string into the text buffer, this is just a series +// of char inserts because we have to check each char is ok to insert +//----------------------------------------------------------------------------- +void TextEntry::InsertString(const wchar_t *wszText) +{ + SaveUndoState(); + + for (const wchar_t *ch = wszText; *ch != 0; ++ch) + { + InsertChar(*ch); + } + + if (_dataChanged) + { + FireActionSignal(); + } +} + +//----------------------------------------------------------------------------- +// Purpose: Converts an ansi string to unicode and inserts it into the text stream +//----------------------------------------------------------------------------- +void TextEntry::InsertString(const char *text) +{ + // check for to see if the string is in the localization tables + if (text[0] == '#') + { + wchar_t *wsz = g_pVGuiLocalize->Find(text); + if (wsz) + { + InsertString(wsz); + return; + } + } + + // straight convert the ansi to unicode and insert + wchar_t unicode[1024]; + g_pVGuiLocalize->ConvertANSIToUnicode(text, unicode, sizeof(unicode)); + InsertString(unicode); +} + +//----------------------------------------------------------------------------- +// Purpose: Handle the effect of user hitting backspace key +// we delete the char before the cursor and reformat the text so it +// behaves like in windows. +//----------------------------------------------------------------------------- +void TextEntry::Backspace() +{ + if (!IsEditable()) + return; + + //if you are at the first position don't do anything + if(_cursorPos==0) + { + return; + } + + //if the line is empty, don't do anything + if(m_TextStream.Count()==0) + { + return; + } + + SaveUndoState(); + + //shift chars left one, starting at the cursor position, then make the line one smaller + for(int i=_cursorPos;i= 0) // dont scroll if there are not enough chars to scroll + { + _currentStartIndex-=6; + } + else + _currentStartIndex=0; + } + + //move the cursor left one + _cursorPos--; + + _dataChanged = true; + + // recalculate linebreaks (the fast incremental linebreak function doesn't work in this case) + _recalculateBreaksIndex = 0; + m_LineBreaks.RemoveAll(); + m_LineBreaks.AddToTail(BUFFER_SIZE); + + LayoutVerticalScrollBarSlider(); + ResetCursorBlink(); + Repaint(); +} + +//----------------------------------------------------------------------------- +// Purpose: Deletes the current selection, if any, moving the cursor to the Start +// of the selection +//----------------------------------------------------------------------------- +void TextEntry::DeleteSelected() +{ + if (!IsEditable()) + return; + + // if the line is empty, don't do anything + if (m_TextStream.Count() == 0) + return; + + // get the range to delete + int x0, x1; + if (!GetSelectedRange(x0, x1)) + { + // no selection, don't touch anything + return; + } + + SaveUndoState(); + + // shift chars left one starting after cursor position, then make the line one smaller + int dif = x1 - x0; + for (int i = 0; i < dif; ++i) + { + m_TextStream.Remove(x0); + } + + // clear any selection + SelectNone(); + ResetCursorBlink(); + + // move the cursor to just after the deleted section + _cursorPos = x0; + + _dataChanged = true; + + _recalculateBreaksIndex = 0; + m_LineBreaks.RemoveAll(); + m_LineBreaks.AddToTail(BUFFER_SIZE); + + CalcBreakIndex(); + + LayoutVerticalScrollBarSlider(); +} + +//----------------------------------------------------------------------------- +// Purpose: Handle the effect of the user hitting the delete key +// removes the char in front of the cursor +//----------------------------------------------------------------------------- +void TextEntry::Delete() +{ + if (!IsEditable()) + return; + + // if the line is empty, don't do anything + if (m_TextStream.Count() == 0) + return; + + // get the range to delete + int x0, x1; + if (!GetSelectedRange(x0, x1)) + { + // no selection, so just delete the one character + x0 = _cursorPos; + x1 = x0 + 1; + + // if we're at the end of the line don't do anything + if (_cursorPos >= m_TextStream.Count()) + return; + } + + SaveUndoState(); + + // shift chars left one starting after cursor position, then make the line one smaller + int dif = x1 - x0; + for (int i = 0; i < dif; i++) + { + m_TextStream.Remove((int)x0); + } + + ResetCursorBlink(); + + // clear any selection + SelectNone(); + + // move the cursor to just after the deleted section + _cursorPos = x0; + + _dataChanged = true; + + _recalculateBreaksIndex = 0; + m_LineBreaks.RemoveAll(); + m_LineBreaks.AddToTail(BUFFER_SIZE); + + CalcBreakIndex(); + + LayoutVerticalScrollBarSlider(); +} + +//----------------------------------------------------------------------------- +// Purpose: Declare a selection empty +//----------------------------------------------------------------------------- +void TextEntry::SelectNone() +{ + // tag the selection as empty + _select[0] = -1; + Repaint(); +} + +//----------------------------------------------------------------------------- +// Purpose: Load in the selection range so cx0 is the Start and cx1 is the end +// from smallest to highest (right to left) +//----------------------------------------------------------------------------- +bool TextEntry::GetSelectedRange(int& cx0,int& cx1) +{ + // if there is nothing selected return false + if (_select[0] == -1) + { + return false; + } + + // sort the two position so cx0 is the smallest + cx0=_select[0]; + cx1=_select[1]; + int temp; + if(cx1GetCursorPos(cursorX, cursorY); + + /* !! disabled since it recursively gets panel pointers, potentially across dll boundaries, + and doesn't need to be necessary (it's just for handling windowed mode) + + // find the frame that has no parent (the one on the desktop) + Panel *panel = this; + while ( panel->GetParent() != NULL) + { + panel = panel->GetParent(); + } + panel->ScreenToLocal(cursorX, cursorY); + int x, y; + // get base panel's postition + panel->GetPos(x, y); + + // adjust our cursor position accordingly + cursorX += x; + cursorY += y; + */ + + int x0, x1; + if (GetSelectedRange(x0, x1)) // there is something selected + { + m_pEditMenu->SetItemEnabled("&Cut", true); + m_pEditMenu->SetItemEnabled("C&opy", true); + } + else // there is nothing selected, disable cut/copy options + { + m_pEditMenu->SetItemEnabled("&Cut", false); + m_pEditMenu->SetItemEnabled("C&opy", false); + } + m_pEditMenu->SetVisible(true); + m_pEditMenu->RequestFocus(); + + // relayout the menu immediately so that we know it's size + m_pEditMenu->InvalidateLayout(true); + int menuWide, menuTall; + m_pEditMenu->GetSize(menuWide, menuTall); + + // work out where the cursor is and therefore the best place to put the menu + int wide, tall; + surface()->GetScreenSize(wide, tall); + + if (wide - menuWide > cursorX) + { + // menu hanging right + if (tall - menuTall > cursorY) + { + // menu hanging down + m_pEditMenu->SetPos(cursorX, cursorY); + } + else + { + // menu hanging up + m_pEditMenu->SetPos(cursorX, cursorY - menuTall); + } + } + else + { + // menu hanging left + if (tall - menuTall > cursorY) + { + // menu hanging down + m_pEditMenu->SetPos(cursorX - menuWide, cursorY); + } + else + { + // menu hanging up + m_pEditMenu->SetPos(cursorX - menuWide, cursorY - menuTall); + } + } + + m_pEditMenu->RequestFocus(); +} + +//----------------------------------------------------------------------------- +// Purpose: Cuts the selected chars from the buffer and +// copies them into the clipboard +//----------------------------------------------------------------------------- +void TextEntry::CutSelected() +{ + CopySelected(); + DeleteSelected(); + // have to request focus if we used the menu + RequestFocus(); + + if ( _dataChanged ) + { + FireActionSignal(); + } +} + +//----------------------------------------------------------------------------- +// Purpose: Copies the selected chars into the clipboard +//----------------------------------------------------------------------------- +void TextEntry::CopySelected() +{ + if (_hideText) + return; + + int x0, x1; + if (GetSelectedRange(x0, x1)) + { + CUtlVector buf; + for (int i = x0; i < x1; i++) + { + if ( m_TextStream[i]=='\n') + { + buf.AddToTail( '\r' ); + } + buf.AddToTail(m_TextStream[i]); + } + buf.AddToTail('\0'); + system()->SetClipboardText(buf.Base(), x1 - x0); + } + + // have to request focus if we used the menu + RequestFocus(); + + if ( _dataChanged ) + { + FireActionSignal(); + } +} + +//----------------------------------------------------------------------------- +// Purpose: Pastes the selected chars from the clipboard into the text buffer +// truncates if text is longer than our _maxCharCount +//----------------------------------------------------------------------------- +void TextEntry::Paste() +{ + if (!IsEditable()) + return; + + CUtlVector buf; + int bufferSize = system()->GetClipboardTextCount(); + if (!m_bAutoProgressOnHittingCharLimit) + { + bufferSize = _maxCharCount > 0 ? _maxCharCount + 1 : system()->GetClipboardTextCount(); // +1 for terminator + } + + buf.AddMultipleToTail(bufferSize); + int len = system()->GetClipboardText(0, buf.Base(), bufferSize * sizeof(wchar_t)); + if (len < 1) + return; + + SaveUndoState(); + bool bHaveMovedFocusAwayFromCurrentEntry = false; + + // insert all the characters + for (int i = 0; i < len && buf[i] != 0; i++) + { + if (m_bAutoProgressOnHittingCharLimit) + { + // see if we're about to hit the char limit + if (m_TextStream.Count() == _maxCharCount) + { + // move the next panel (most likely another TextEntry) + RequestFocusNext(); + // copy the remainder into the clipboard + wchar_t *remainingText = &buf[i]; + system()->SetClipboardText(remainingText, len - i - 1); + // set the next entry to paste + if (GetVParent() && ipanel()->GetCurrentKeyFocus(GetVParent()) != GetVPanel()) + { + bHaveMovedFocusAwayFromCurrentEntry = true; + ipanel()->SendMessage(ipanel()->GetCurrentKeyFocus(GetVParent()), new KeyValues("DoPaste"), GetVPanel()); + } + break; + } + } + + // insert the character + InsertChar(buf[i]); + } + + // restore the original clipboard text if neccessary + if (m_bAutoProgressOnHittingCharLimit) + { + system()->SetClipboardText(buf.Base(), bufferSize); + } + + _dataChanged = true; + FireActionSignal(); + + if (!bHaveMovedFocusAwayFromCurrentEntry) + { + // have to request focus if we used the menu + RequestFocus(); + } +} + +//----------------------------------------------------------------------------- +// Purpose: Reverts back to last saved changes +//----------------------------------------------------------------------------- +void TextEntry::Undo() +{ + _cursorPos = _undoCursorPos; + m_TextStream.CopyArray(m_UndoTextStream.Base(), m_UndoTextStream.Count()); + + InvalidateLayout(); + Repaint(); + SelectNone(); +} + +//----------------------------------------------------------------------------- +// Purpose: Saves the current state to the undo stack +//----------------------------------------------------------------------------- +void TextEntry::SaveUndoState() +{ + _undoCursorPos = _cursorPos; + m_UndoTextStream.CopyArray(m_TextStream.Base(), m_TextStream.Count()); +} + +//----------------------------------------------------------------------------- +// Purpose: Returns the index in the text buffer of the +// character the drawing should Start at +//----------------------------------------------------------------------------- +int TextEntry::GetStartDrawIndex(int &lineBreakIndexIndex) +{ + int startIndex = 0; + + int numLines = m_LineBreaks.Count(); + int startLine = 0; + + // determine the Start point from the scroll bar + // do this only if we are not selecting text in the window with the mouse + if (_vertScrollBar && !_mouseDragSelection) + { + // skip to line indicated by scrollbar + startLine = _vertScrollBar->GetValue(); + } + else + { + // check to see if the cursor is off the screen-multiline case + HFont font = _font; + int displayLines = GetTall() / (surface()->GetFontTall(font) + DRAW_OFFSET_Y); + if (displayLines < 1) + { + displayLines = 1; + } + if (numLines > displayLines) + { + int cursorLine = GetCursorLine(); + + startLine = _currentStartLine; + + // see if that is visible + if (cursorLine < _currentStartLine) + { + // cursor is above visible area; scroll back + startLine = cursorLine; + if (_vertScrollBar) + { + MoveScrollBar( 1 ); // should be calibrated for speed + // adjust startline incase we hit a limit + startLine = _vertScrollBar->GetValue(); + } + } + else if (cursorLine > (_currentStartLine + displayLines - 1)) + { + // cursor is down below visible area; scroll forward + startLine = cursorLine - displayLines + 1; + if (_vertScrollBar) + { + MoveScrollBar( -1 ); + startLine = _vertScrollBar->GetValue(); + } + } + } + else if (!_multiline) + { + // check to see if cursor is off the right side of screen-single line case + // get cursor's x coordinate in pixel space + bool done = false; + while ( !done ) + { + done = true; + int x = DRAW_OFFSET_X; + for (int i = _currentStartIndex; i < m_TextStream.Count(); i++) + { + done = false; + wchar_t ch = m_TextStream[i]; + if (_hideText) + { + ch = '*'; + } + + // if we've found the position, break + if (_cursorPos == i) + { + break; + } + + // add to the current position + x += getCharWidth(font, ch); + } + + if ( x >= GetWide() ) + { + _currentStartIndex++; + // Keep searching... + continue; + } + + if ( x <= 0 ) + { + // dont go past the Start of buffer + if (_currentStartIndex > 0) + _currentStartIndex--; + } + + break; + } + } + } + + if (startLine > 0) + { + lineBreakIndexIndex = startLine; + if (startLine && startLine < m_LineBreaks.Count()) + { + startIndex = m_LineBreaks[startLine - 1]; + } + } + + if (!_horizScrollingAllowed) + return 0; + + _currentStartLine = startLine; + if (_multiline) + return startIndex; + else + return _currentStartIndex; + + +} + +// helper accessors for common gets +float TextEntry::GetValueAsFloat() +{ + int nTextLength = GetTextLength() + 1; + char* txt = ( char* )_alloca( nTextLength * sizeof( char ) ); + GetText( txt, nTextLength ); + + return V_atof( txt ); +} + +int TextEntry::GetValueAsInt() +{ + int nTextLength = GetTextLength() + 1; + char* txt = ( char* )_alloca( nTextLength * sizeof( char ) ); + GetText( txt, nTextLength ); + + return V_atoi( txt ); +} + +//----------------------------------------------------------------------------- +// Purpose: Get a string from text buffer +// Input: offset - index to Start reading from +// bufLenInBytes - length of string +//----------------------------------------------------------------------------- +void TextEntry::GetText(OUT_Z_BYTECAP(bufLenInBytes) char *buf, int bufLenInBytes) +{ + Assert(bufLenInBytes >= sizeof(buf[0])); + if (m_TextStream.Count()) + { + // temporarily null terminate the text stream so we can use the conversion function + int nullTerminatorIndex = m_TextStream.AddToTail((wchar_t)0); + g_pVGuiLocalize->ConvertUnicodeToANSI(m_TextStream.Base(), buf, bufLenInBytes); + m_TextStream.FastRemove(nullTerminatorIndex); + } + else + { + // no characters in the stream + buf[0] = 0; + } +} + +//----------------------------------------------------------------------------- +// Purpose: Get a string from text buffer +// Input: offset - index to Start reading from +// bufLen - length of string +//----------------------------------------------------------------------------- +void TextEntry::GetText(OUT_Z_BYTECAP(bufLenInBytes) wchar_t *wbuf, int bufLenInBytes) +{ + Assert(bufLenInBytes >= sizeof(wbuf[0])); + int len = m_TextStream.Count(); + if (m_TextStream.Count()) + { + int terminator = min(len, (bufLenInBytes / (int)sizeof(wchar_t)) - 1); + wcsncpy(wbuf, m_TextStream.Base(), terminator); + wbuf[terminator] = 0; + } + else + { + wbuf[0] = 0; + } +} + +void TextEntry::GetTextRange( wchar_t *buf, int from, int numchars ) +{ + int len = m_TextStream.Count(); + int cpChars = max( 0, min( numchars, len - from ) ); + + wcsncpy( buf, m_TextStream.Base() + max( 0, min( len, from ) ), cpChars ); + buf[ cpChars ] = 0; +} + +void TextEntry::GetTextRange( char *buf, int from, int numchars ) +{ + int len = m_TextStream.Count(); + int cpChars = max( 0, min( numchars, len - from ) ); + + g_pVGuiLocalize->ConvertUnicodeToANSI( m_TextStream.Base() + max( 0, min( len, from ) ), buf, cpChars + 1 ); + buf[ cpChars ] = 0; +} + +//----------------------------------------------------------------------------- +// Purpose: Sends a message that the text has changed +//----------------------------------------------------------------------------- +void TextEntry::FireActionSignal() +{ + PostActionSignal(new KeyValues("TextChanged")); + _dataChanged = false; // reset the data changed flag + InvalidateLayout(); +} + +//----------------------------------------------------------------------------- +// Purpose: Set the font of the buffer text +// Input: font to change to +//----------------------------------------------------------------------------- +void TextEntry::SetFont(HFont font) +{ + _font = font; + InvalidateLayout(); + Repaint(); +} + +//----------------------------------------------------------------------------- +// Purpose: Called when the scrollbar slider is moved +//----------------------------------------------------------------------------- +void TextEntry::OnSliderMoved() +{ + Repaint(); +} + +//----------------------------------------------------------------------------- +// Purpose: +//----------------------------------------------------------------------------- +bool TextEntry::RequestInfo(KeyValues *outputData) +{ + if (!stricmp(outputData->GetName(), "GetText")) + { + wchar_t wbuf[256]; + GetText(wbuf, 255); + outputData->SetWString("text", wbuf); + return true; + } + else if (!stricmp(outputData->GetName(), "GetState")) + { + char buf[64]; + GetText(buf, sizeof(buf)); + outputData->SetInt("state", atoi(buf)); + return true; + } + return BaseClass::RequestInfo(outputData); +} + +//----------------------------------------------------------------------------- +// Purpose: +//----------------------------------------------------------------------------- +void TextEntry::OnSetText(const wchar_t *text) +{ + SetText(text); +} + +//----------------------------------------------------------------------------- +// Purpose: as above, but sets an integer +//----------------------------------------------------------------------------- +void TextEntry::OnSetState(int state) +{ + char buf[64]; + Q_snprintf(buf, sizeof(buf), "%d", state); + SetText(buf); +} + +//----------------------------------------------------------------------------- +// Purpose: +//----------------------------------------------------------------------------- +void TextEntry::ApplySettings( KeyValues *inResourceData ) +{ + BaseClass::ApplySettings( inResourceData ); + + _font = scheme()->GetIScheme( GetScheme() )->GetFont( inResourceData->GetString( "font", "Default" ), IsProportional() ); + SetFont( _font ); + + SetTextHidden((bool)inResourceData->GetInt("textHidden", 0)); + SetEditable((bool)inResourceData->GetInt("editable", 1)); + SetMaximumCharCount(inResourceData->GetInt("maxchars", -1)); + SetAllowNumericInputOnly(inResourceData->GetInt("NumericInputOnly", 0)); + SetAllowNonAsciiCharacters(inResourceData->GetInt("unicode", 0)); + SelectAllOnFirstFocus(inResourceData->GetInt("selectallonfirstfocus", 0)); +} + +//----------------------------------------------------------------------------- +// Purpose: +//----------------------------------------------------------------------------- +void TextEntry::GetSettings( KeyValues *outResourceData ) +{ + BaseClass::GetSettings( outResourceData ); + outResourceData->SetInt("textHidden", _hideText); + outResourceData->SetInt("editable", IsEditable()); + outResourceData->SetInt("maxchars", GetMaximumCharCount()); + outResourceData->SetInt("NumericInputOnly", m_bAllowNumericInputOnly); + outResourceData->SetInt("unicode", m_bAllowNonAsciiCharacters); +} + +//----------------------------------------------------------------------------- +// Purpose: +//----------------------------------------------------------------------------- +const char *TextEntry::GetDescription() +{ + static char buf[1024]; + Q_snprintf(buf, sizeof(buf), "%s, bool textHidden, bool editable, bool unicode, bool NumericInputOnly, int maxchars", BaseClass::GetDescription()); + return buf; +} + +//----------------------------------------------------------------------------- +// Purpose: Get the number of lines in the window +//----------------------------------------------------------------------------- +int TextEntry::GetNumLines() +{ + return m_LineBreaks.Count(); +} + +//----------------------------------------------------------------------------- +// Purpose: Sets the height of the text entry window so all text will fit inside +//----------------------------------------------------------------------------- +void TextEntry::SetToFullHeight() +{ + PerformLayout(); + int wide, tall; + GetSize(wide, tall); + + tall = GetNumLines() * (surface()->GetFontTall(_font) + DRAW_OFFSET_Y) + DRAW_OFFSET_Y + 2; + SetSize (wide, tall); + PerformLayout(); + +} + +//----------------------------------------------------------------------------- +// Purpose: Select all the text. +//----------------------------------------------------------------------------- +void TextEntry::SelectAllText( bool bResetCursorPos ) +{ + // if there's no text at all, select none + if ( m_TextStream.Count() == 0 ) + { + _select[0] = -1; + } + else + { + _select[0] = 0; + } + + _select[1] = m_TextStream.Count(); + + if ( bResetCursorPos ) + { + _cursorPos = _select[1]; + } +} + +//----------------------------------------------------------------------------- +// Purpose: Select no text. +//----------------------------------------------------------------------------- +void TextEntry::SelectNoText() +{ + _select[0] = -1; + _select[1] = 0; +} + +//----------------------------------------------------------------------------- +// Purpose: Sets the width of the text entry window so all text will fit inside +//----------------------------------------------------------------------------- +void TextEntry::SetToFullWidth() +{ + // probably be problems if you try using this on multi line buffers + // or buffers with clickable text in them. + if (_multiline) + return; + + PerformLayout(); + int wide = 2*DRAW_OFFSET_X; // buffer on left and right end of text. + + // loop through all the characters and sum their widths + for (int i = 0; i < m_TextStream.Count(); ++i) + { + wide += getCharWidth(_font, m_TextStream[i]); + } + + // height of one line of text + int tall = (surface()->GetFontTall(_font) + DRAW_OFFSET_Y) + DRAW_OFFSET_Y + 2; + + SetSize (wide, tall); + PerformLayout(); +} + +//----------------------------------------------------------------------------- +// Purpose: +//----------------------------------------------------------------------------- +void TextEntry::SelectAllOnFirstFocus( bool status ) +{ + _selectAllOnFirstFocus = status; +} + +void TextEntry::SelectAllOnFocusAlways( bool status ) +{ + _selectAllOnFirstFocus = status; + _selectAllOnFocusAlways = status; +} + +//----------------------------------------------------------------------------- +// Purpose: called when the text entry receives focus +//----------------------------------------------------------------------------- +void TextEntry::OnSetFocus() +{ + // see if we should highlight all on selection + if (_selectAllOnFirstFocus) + { + _select[1] = m_TextStream.Count(); + _select[0] = _select[1] > 0 ? 0 : -1; + _cursorPos = _select[1]; // cursor at end of line + if ( !_selectAllOnFocusAlways ) + { + _selectAllOnFirstFocus = false; + } + } + else if (input()->IsKeyDown(KEY_TAB) || input()->WasKeyReleased(KEY_TAB)) + { + // if we've tabbed to this field then move to the end of the text + GotoTextEnd(); + // clear any selection + SelectNone(); + } + + BaseClass::OnSetFocus(); +} + +//----------------------------------------------------------------------------- +// Purpose: Set the width we have to draw text in. +// Do not use in multiline windows. +//----------------------------------------------------------------------------- +void TextEntry::SetDrawWidth(int width) +{ + _drawWidth = width; +} + +//----------------------------------------------------------------------------- +// Purpose: Get the width we have to draw text in. +//----------------------------------------------------------------------------- +int TextEntry::GetDrawWidth() +{ + return _drawWidth; +} + +//----------------------------------------------------------------------------- +// Purpose: data accessor +//----------------------------------------------------------------------------- +void TextEntry::SetAllowNonAsciiCharacters(bool state) +{ + m_bAllowNonAsciiCharacters = state; +} + +//----------------------------------------------------------------------------- +// Purpose: data accessor +//----------------------------------------------------------------------------- +void TextEntry::SetAllowNumericInputOnly(bool state) +{ + m_bAllowNumericInputOnly = state; +} + +//----------------------------------------------------------------------------- +// Purpose: +// Input : forward - +//----------------------------------------------------------------------------- +void TextEntry::OnChangeIME( bool forward ) +{ + // Only change ime if Unicode aware + if ( m_bAllowNonAsciiCharacters ) + { + input()->OnChangeIME( forward ); + } +} + +//----------------------------------------------------------------------------- +// Purpose: +// Input : handleValue - +//----------------------------------------------------------------------------- +void TextEntry::LanguageChanged( int handleValue ) +{ + input()->OnChangeIMEByHandle( handleValue ); +} + + +//----------------------------------------------------------------------------- +// Purpose: +// Input : handleValue - +//----------------------------------------------------------------------------- +void TextEntry::ConversionModeChanged( int handleValue ) +{ + input()->OnChangeIMEConversionModeByHandle( handleValue ); +} + + +//----------------------------------------------------------------------------- +// Purpose: +// Input : handleValue - +//----------------------------------------------------------------------------- +void TextEntry::SentenceModeChanged( int handleValue ) +{ + input()->OnChangeIMESentenceModeByHandle( handleValue ); +} + +//----------------------------------------------------------------------------- +// Purpose: +// Input : *compstr - +//----------------------------------------------------------------------------- +void TextEntry::CompositionString( const wchar_t *compstr ) +{ + wcsncpy( m_szComposition, compstr, sizeof( m_szComposition ) / sizeof( wchar_t ) - 1 ); + m_szComposition[ sizeof( m_szComposition ) / sizeof( wchar_t ) - 1 ] = L'\0'; +} + +void TextEntry::ShowIMECandidates() +{ + HideIMECandidates(); + + int c = input()->GetCandidateListCount(); + if ( c == 0 ) + { + return; + } + + m_pIMECandidates = new Menu( this, "IMECandidatesMenu" ); + + int pageStart = input()->GetCandidateListPageStart(); + int pageSize = input()->GetCandidateListPageSize(); + int selected = input()->GetCandidateListSelectedItem(); + + int startAtOne = input()->CandidateListStartsAtOne() ? 1 : 0; + + if ( ( selected < pageStart ) || ( selected >= pageStart + pageSize ) ) + { + pageStart = ( selected / pageSize ) * pageSize; + input()->SetCandidateListPageStart( pageStart ); + } + + for ( int i = pageStart; i < pageStart + pageSize; ++i ) + { + if ( i >= c ) + continue; + + bool isSelected = ( i == selected ) ? true : false; + + wchar_t unicode[ 32 ]; + input()->GetCandidate( i, unicode, sizeof( unicode ) ); + + wchar_t label[ 64 ]; + _snwprintf( label, sizeof( label ) / sizeof( wchar_t ) - 1, L"%i %s", i - pageStart + startAtOne, unicode ); + label[ sizeof( label ) / sizeof( wchar_t ) - 1 ] = L'\0'; + + int id = m_pIMECandidates->AddMenuItem( "Candidate", label, (KeyValues *)NULL, this ); + if ( isSelected ) + { + m_pIMECandidates->SetCurrentlyHighlightedItem( id ); + } + } + + m_pIMECandidates->SetVisible(true); + m_pIMECandidates->SetParent(this); + m_pIMECandidates->AddActionSignalTarget(this); + m_pIMECandidates->SetKeyBoardInputEnabled( false ); + + int cx, cy; + CursorToPixelSpace(_cursorPos, cx, cy); + cy = GetTall(); + + LocalToScreen( cx, cy ); + + //m_pIMECandidates->SetPos( cx, cy ); + + // relayout the menu immediately so that we know it's size + m_pIMECandidates->InvalidateLayout(true); + int menuWide, menuTall; + m_pIMECandidates->GetSize(menuWide, menuTall); + + // work out where the cursor is and therefore the best place to put the menu + int wide, tall; + surface()->GetScreenSize(wide, tall); + + if (wide - menuWide > cx) + { + // menu hanging right + if (tall - menuTall > cy) + { + // menu hanging down + m_pIMECandidates->SetPos(cx, cy); + } + else + { + // menu hanging up + m_pIMECandidates->SetPos(cx, cy - menuTall - GetTall()); + } + } + else + { + // menu hanging left + if (tall - menuTall > cy) + { + // menu hanging down + m_pIMECandidates->SetPos(cx - menuWide, cy); + } + else + { + // menu hanging up + m_pIMECandidates->SetPos(cx - menuWide, cy - menuTall-GetTall()); + } + } +} + +void TextEntry::HideIMECandidates() +{ + if ( m_pIMECandidates ) + { + m_pIMECandidates->SetVisible( false ); + } + delete m_pIMECandidates; + m_pIMECandidates = NULL; +} + +void TextEntry::UpdateIMECandidates() +{ + if ( !m_pIMECandidates ) + return; + + int c = input()->GetCandidateListCount(); + if ( c == 0 ) + { + HideIMECandidates(); + return; + } + + int oldCount = m_pIMECandidates->GetItemCount(); + int newCount = input()->GetCandidateListPageSize(); + + if ( oldCount != newCount ) + { + // Recreate the entire menu + ShowIMECandidates(); + return; + } + + int pageSize = input()->GetCandidateListPageSize(); + int selected = input()->GetCandidateListSelectedItem(); + int pageStart = input()->GetCandidateListPageStart(); + + if ( ( selected < pageStart ) || selected >= pageStart + pageSize ) + { + pageStart = ( selected / pageSize ) * pageSize; + input()->SetCandidateListPageStart( pageStart ); + } + + int startAtOne = input()->CandidateListStartsAtOne() ? 1 : 0; + + for ( int i = pageStart; i < pageStart + pageSize; ++i ) + { + int id = m_pIMECandidates->GetMenuID( i - pageStart ); + + MenuItem *item = m_pIMECandidates->GetMenuItem( id ); + if ( !item ) + continue; + + if ( i >= c ) + { + item->SetVisible( false ); + continue; + } + else + { + item->SetVisible( true ); + } + + bool isSelected = ( i == selected ) ? true : false; + + wchar_t unicode[ 32 ]; + input()->GetCandidate( i, unicode, sizeof( unicode ) ); + + wchar_t label[ 64 ]; + _snwprintf( label, sizeof( label ) / sizeof( wchar_t ) - 1, L"%i %s", i - pageStart + startAtOne, unicode ); + label[ sizeof( label ) / sizeof( wchar_t ) - 1 ] = L'\0'; + item->SetText( label ); + if ( isSelected ) + { + m_pIMECandidates->SetCurrentlyHighlightedItem( id ); + } + } +} + +//----------------------------------------------------------------------------- +// Purpose: +//----------------------------------------------------------------------------- +void TextEntry::FlipToLastIME() +{ + int hCurrentIME = input()->GetCurrentIMEHandle(); + int hEnglishIME = input()->GetEnglishIMEHandle(); + + bool isEnglish = ( hCurrentIME == hEnglishIME ) ? true : false; + + // If in english, flip back to previous + if ( isEnglish ) + { + input()->OnChangeIMEByHandle( m_hPreviousIME ); + } + else + { + // If not, remember language and flip to english... + m_hPreviousIME = hCurrentIME; + input()->OnChangeIMEByHandle( hEnglishIME ); + } +} + +void TextEntry::SetDrawLanguageIDAtLeft( bool state ) +{ + m_bDrawLanguageIDAtLeft = state; +} + +bool TextEntry::GetDropContextMenu( Menu *menu, CUtlVector< KeyValues * >& msglist ) +{ + menu->AddMenuItem( "replace", "#TextEntry_ReplaceText", "replace", this ); + menu->AddMenuItem( "append", "#TextEntry_AppendText", "append", this ); + menu->AddMenuItem( "prepend", "#TextEntry_PrependText", "prepend", this ); + return true; +} + +bool TextEntry::IsDroppable( CUtlVector< KeyValues * >& msglist ) +{ + if ( msglist.Count() != 1 ) + return false; + + if ( !IsEnabled() ) + return false; + + KeyValues *msg = msglist[ 0 ]; + + const wchar_t *txt = msg->GetWString( "text", L"" ); + if ( !txt || txt[ 0 ] == L'\0' ) + return false; + + return true; +} + +void TextEntry::OnPanelDropped( CUtlVector< KeyValues * >& msglist ) +{ + if ( msglist.Count() != 1 ) + return; + + KeyValues *data = msglist[ 0 ]; + + const wchar_t *newText = data->GetWString( "text" ); + if ( !newText || newText[ 0 ] == L'\0' ) + return; + + char const *cmd = data->GetString( "command" ); + if ( !Q_stricmp( cmd, "replace" ) || + !Q_stricmp( cmd, "default" ) ) + { + SetText( newText ); + _dataChanged = true; + FireActionSignal(); + } + else if ( !Q_stricmp( cmd, "append" ) ) + { + int newLen = wcslen( newText ); + int curLen = m_TextStream.Count(); + + size_t outsize = sizeof( wchar_t ) * ( newLen + curLen + 1 ); + wchar_t *out = (wchar_t *)_alloca( outsize ); + Q_memset( out, 0, outsize ); + wcsncpy( out, m_TextStream.Base(), curLen ); + wcsncat( out, newText, wcslen( newText ) ); + out[ newLen + curLen ] = L'\0'; + SetText( out ); + _dataChanged = true; + FireActionSignal(); + } + else if ( !Q_stricmp( cmd, "prepend" ) ) + { + int newLen = wcslen( newText ); + int curLen = m_TextStream.Count(); + + size_t outsize = sizeof( wchar_t ) * ( newLen + curLen + 1 ); + wchar_t *out = (wchar_t *)_alloca( outsize ); + Q_memset( out, 0, outsize ); + wcsncpy( out, newText, wcslen( newText ) ); + wcsncat( out, m_TextStream.Base(), curLen ); + out[ newLen + curLen ] = L'\0'; + SetText( out ); + _dataChanged = true; + FireActionSignal(); + } +} + +int TextEntry::GetTextLength() const +{ + return m_TextStream.Count(); +} + +bool TextEntry::IsTextFullySelected() const +{ + if ( _select[ 0 ] != 0 ) + return false; + + if ( _select[ 1 ] != GetTextLength() ) + return false; + + return true; +} + +void TextEntry::SetUseFallbackFont( bool bState, HFont hFallback ) +{ + m_bUseFallbackFont = bState; + m_hFallbackFont = hFallback; +} -- cgit v1.2.3