From f9158592e1478b2013afc7041d9ed041cf2d2f4a Mon Sep 17 00:00:00 2001 From: David Walter Seikel Date: Mon, 13 Jan 2014 19:47:58 +1000 Subject: Update Irrlicht to 1.8.1. Include actual change markers this time. lol --- .../irrlicht-1.8.1/source/Irrlicht/CGUIEditBox.cpp | 1555 ++++++++++++++++++++ 1 file changed, 1555 insertions(+) create mode 100644 libraries/irrlicht-1.8.1/source/Irrlicht/CGUIEditBox.cpp (limited to 'libraries/irrlicht-1.8.1/source/Irrlicht/CGUIEditBox.cpp') diff --git a/libraries/irrlicht-1.8.1/source/Irrlicht/CGUIEditBox.cpp b/libraries/irrlicht-1.8.1/source/Irrlicht/CGUIEditBox.cpp new file mode 100644 index 0000000..a937cc2 --- /dev/null +++ b/libraries/irrlicht-1.8.1/source/Irrlicht/CGUIEditBox.cpp @@ -0,0 +1,1555 @@ +// Copyright (C) 2002-2012 Nikolaus Gebhardt +// This file is part of the "Irrlicht Engine". +// For conditions of distribution and use, see copyright notice in irrlicht.h + +#include "CGUIEditBox.h" +#ifdef _IRR_COMPILE_WITH_GUI_ + +#include "IGUISkin.h" +#include "IGUIEnvironment.h" +#include "IGUIFont.h" +#include "IVideoDriver.h" +#include "rect.h" +#include "os.h" +#include "Keycodes.h" + +/* + todo: + optional scrollbars + ctrl+left/right to select word + double click/ctrl click: word select + drag to select whole words, triple click to select line + optional? dragging selected text + numerical +*/ + +namespace irr +{ +namespace gui +{ + +//! constructor +CGUIEditBox::CGUIEditBox(const wchar_t* text, bool border, + IGUIEnvironment* environment, IGUIElement* parent, s32 id, + const core::rect& rectangle) + : IGUIEditBox(environment, parent, id, rectangle), MouseMarking(false), + Border(border), Background(true), OverrideColorEnabled(false), MarkBegin(0), MarkEnd(0), + OverrideColor(video::SColor(101,255,255,255)), OverrideFont(0), LastBreakFont(0), + Operator(0), BlinkStartTime(0), CursorPos(0), HScrollPos(0), VScrollPos(0), Max(0), + WordWrap(false), MultiLine(false), AutoScroll(true), PasswordBox(false), + PasswordChar(L'*'), HAlign(EGUIA_UPPERLEFT), VAlign(EGUIA_CENTER), + CurrentTextRect(0,0,1,1), FrameRect(rectangle) +{ + #ifdef _DEBUG + setDebugName("CGUIEditBox"); + #endif + + Text = text; + + if (Environment) + Operator = Environment->getOSOperator(); + + if (Operator) + Operator->grab(); + + // this element can be tabbed to + setTabStop(true); + setTabOrder(-1); + + calculateFrameRect(); + breakText(); + + calculateScrollPos(); +} + + +//! destructor +CGUIEditBox::~CGUIEditBox() +{ + if (OverrideFont) + OverrideFont->drop(); + + if (Operator) + Operator->drop(); +} + + +//! Sets another skin independent font. +void CGUIEditBox::setOverrideFont(IGUIFont* font) +{ + if (OverrideFont == font) + return; + + if (OverrideFont) + OverrideFont->drop(); + + OverrideFont = font; + + if (OverrideFont) + OverrideFont->grab(); + + breakText(); +} + +//! Gets the override font (if any) +IGUIFont * CGUIEditBox::getOverrideFont() const +{ + return OverrideFont; +} + +//! Get the font which is used right now for drawing +IGUIFont* CGUIEditBox::getActiveFont() const +{ + if ( OverrideFont ) + return OverrideFont; + IGUISkin* skin = Environment->getSkin(); + if (skin) + return skin->getFont(); + return 0; +} + +//! Sets another color for the text. +void CGUIEditBox::setOverrideColor(video::SColor color) +{ + OverrideColor = color; + OverrideColorEnabled = true; +} + + +video::SColor CGUIEditBox::getOverrideColor() const +{ + return OverrideColor; +} + + +//! Turns the border on or off +void CGUIEditBox::setDrawBorder(bool border) +{ + Border = border; +} + +//! Sets whether to draw the background +void CGUIEditBox::setDrawBackground(bool draw) +{ + Background = draw; +} + +//! Sets if the text should use the overide color or the color in the gui skin. +void CGUIEditBox::enableOverrideColor(bool enable) +{ + OverrideColorEnabled = enable; +} + +bool CGUIEditBox::isOverrideColorEnabled() const +{ + _IRR_IMPLEMENT_MANAGED_MARSHALLING_BUGFIX; + return OverrideColorEnabled; +} + +//! Enables or disables word wrap +void CGUIEditBox::setWordWrap(bool enable) +{ + WordWrap = enable; + breakText(); +} + + +void CGUIEditBox::updateAbsolutePosition() +{ + core::rect oldAbsoluteRect(AbsoluteRect); + IGUIElement::updateAbsolutePosition(); + if ( oldAbsoluteRect != AbsoluteRect ) + { + calculateFrameRect(); + breakText(); + calculateScrollPos(); + } +} + + +//! Checks if word wrap is enabled +bool CGUIEditBox::isWordWrapEnabled() const +{ + _IRR_IMPLEMENT_MANAGED_MARSHALLING_BUGFIX; + return WordWrap; +} + + +//! Enables or disables newlines. +void CGUIEditBox::setMultiLine(bool enable) +{ + MultiLine = enable; +} + + +//! Checks if multi line editing is enabled +bool CGUIEditBox::isMultiLineEnabled() const +{ + _IRR_IMPLEMENT_MANAGED_MARSHALLING_BUGFIX; + return MultiLine; +} + + +void CGUIEditBox::setPasswordBox(bool passwordBox, wchar_t passwordChar) +{ + PasswordBox = passwordBox; + if (PasswordBox) + { + PasswordChar = passwordChar; + setMultiLine(false); + setWordWrap(false); + BrokenText.clear(); + } +} + + +bool CGUIEditBox::isPasswordBox() const +{ + _IRR_IMPLEMENT_MANAGED_MARSHALLING_BUGFIX; + return PasswordBox; +} + + +//! Sets text justification +void CGUIEditBox::setTextAlignment(EGUI_ALIGNMENT horizontal, EGUI_ALIGNMENT vertical) +{ + HAlign = horizontal; + VAlign = vertical; +} + + +//! called if an event happened. +bool CGUIEditBox::OnEvent(const SEvent& event) +{ + if (isEnabled()) + { + + switch(event.EventType) + { + case EET_GUI_EVENT: + if (event.GUIEvent.EventType == EGET_ELEMENT_FOCUS_LOST) + { + if (event.GUIEvent.Caller == this) + { + MouseMarking = false; + setTextMarkers(0,0); + } + } + break; + case EET_KEY_INPUT_EVENT: + if (processKey(event)) + return true; + break; + case EET_MOUSE_INPUT_EVENT: + if (processMouse(event)) + return true; + break; + default: + break; + } + } + + return IGUIElement::OnEvent(event); +} + + +bool CGUIEditBox::processKey(const SEvent& event) +{ + if (!event.KeyInput.PressedDown) + return false; + + bool textChanged = false; + s32 newMarkBegin = MarkBegin; + s32 newMarkEnd = MarkEnd; + + // control shortcut handling + + if (event.KeyInput.Control) + { + // german backlash '\' entered with control + '?' + if ( event.KeyInput.Char == '\\' ) + { + inputChar(event.KeyInput.Char); + return true; + } + + switch(event.KeyInput.Key) + { + case KEY_KEY_A: + // select all + newMarkBegin = 0; + newMarkEnd = Text.size(); + break; + case KEY_KEY_C: + // copy to clipboard + if (!PasswordBox && Operator && MarkBegin != MarkEnd) + { + const s32 realmbgn = MarkBegin < MarkEnd ? MarkBegin : MarkEnd; + const s32 realmend = MarkBegin < MarkEnd ? MarkEnd : MarkBegin; + + core::stringc s; + s = Text.subString(realmbgn, realmend - realmbgn).c_str(); + Operator->copyToClipboard(s.c_str()); + } + break; + case KEY_KEY_X: + // cut to the clipboard + if (!PasswordBox && Operator && MarkBegin != MarkEnd) + { + const s32 realmbgn = MarkBegin < MarkEnd ? MarkBegin : MarkEnd; + const s32 realmend = MarkBegin < MarkEnd ? MarkEnd : MarkBegin; + + // copy + core::stringc sc; + sc = Text.subString(realmbgn, realmend - realmbgn).c_str(); + Operator->copyToClipboard(sc.c_str()); + + if (isEnabled()) + { + // delete + core::stringw s; + s = Text.subString(0, realmbgn); + s.append( Text.subString(realmend, Text.size()-realmend) ); + Text = s; + + CursorPos = realmbgn; + newMarkBegin = 0; + newMarkEnd = 0; + textChanged = true; + } + } + break; + case KEY_KEY_V: + if ( !isEnabled() ) + break; + + // paste from the clipboard + if (Operator) + { + const s32 realmbgn = MarkBegin < MarkEnd ? MarkBegin : MarkEnd; + const s32 realmend = MarkBegin < MarkEnd ? MarkEnd : MarkBegin; + + // add new character + const c8* p = Operator->getTextFromClipboard(); + if (p) + { + if (MarkBegin == MarkEnd) + { + // insert text + core::stringw s = Text.subString(0, CursorPos); + s.append(p); + s.append( Text.subString(CursorPos, Text.size()-CursorPos) ); + + if (!Max || s.size()<=Max) // thx to Fish FH for fix + { + Text = s; + s = p; + CursorPos += s.size(); + } + } + else + { + // replace text + + core::stringw s = Text.subString(0, realmbgn); + s.append(p); + s.append( Text.subString(realmend, Text.size()-realmend) ); + + if (!Max || s.size()<=Max) // thx to Fish FH for fix + { + Text = s; + s = p; + CursorPos = realmbgn + s.size(); + } + } + } + + newMarkBegin = 0; + newMarkEnd = 0; + textChanged = true; + } + break; + case KEY_HOME: + // move/highlight to start of text + if (event.KeyInput.Shift) + { + newMarkEnd = CursorPos; + newMarkBegin = 0; + CursorPos = 0; + } + else + { + CursorPos = 0; + newMarkBegin = 0; + newMarkEnd = 0; + } + break; + case KEY_END: + // move/highlight to end of text + if (event.KeyInput.Shift) + { + newMarkBegin = CursorPos; + newMarkEnd = Text.size(); + CursorPos = 0; + } + else + { + CursorPos = Text.size(); + newMarkBegin = 0; + newMarkEnd = 0; + } + break; + default: + return false; + } + } + // default keyboard handling + else + switch(event.KeyInput.Key) + { + case KEY_END: + { + s32 p = Text.size(); + if (WordWrap || MultiLine) + { + p = getLineFromPos(CursorPos); + p = BrokenTextPositions[p] + (s32)BrokenText[p].size(); + if (p > 0 && (Text[p-1] == L'\r' || Text[p-1] == L'\n' )) + p-=1; + } + + if (event.KeyInput.Shift) + { + if (MarkBegin == MarkEnd) + newMarkBegin = CursorPos; + + newMarkEnd = p; + } + else + { + newMarkBegin = 0; + newMarkEnd = 0; + } + CursorPos = p; + BlinkStartTime = os::Timer::getTime(); + } + break; + case KEY_HOME: + { + + s32 p = 0; + if (WordWrap || MultiLine) + { + p = getLineFromPos(CursorPos); + p = BrokenTextPositions[p]; + } + + if (event.KeyInput.Shift) + { + if (MarkBegin == MarkEnd) + newMarkBegin = CursorPos; + newMarkEnd = p; + } + else + { + newMarkBegin = 0; + newMarkEnd = 0; + } + CursorPos = p; + BlinkStartTime = os::Timer::getTime(); + } + break; + case KEY_RETURN: + if (MultiLine) + { + inputChar(L'\n'); + } + else + { + calculateScrollPos(); + sendGuiEvent( EGET_EDITBOX_ENTER ); + } + return true; + case KEY_LEFT: + + if (event.KeyInput.Shift) + { + if (CursorPos > 0) + { + if (MarkBegin == MarkEnd) + newMarkBegin = CursorPos; + + newMarkEnd = CursorPos-1; + } + } + else + { + newMarkBegin = 0; + newMarkEnd = 0; + } + + if (CursorPos > 0) CursorPos--; + BlinkStartTime = os::Timer::getTime(); + break; + + case KEY_RIGHT: + if (event.KeyInput.Shift) + { + if (Text.size() > (u32)CursorPos) + { + if (MarkBegin == MarkEnd) + newMarkBegin = CursorPos; + + newMarkEnd = CursorPos+1; + } + } + else + { + newMarkBegin = 0; + newMarkEnd = 0; + } + + if (Text.size() > (u32)CursorPos) CursorPos++; + BlinkStartTime = os::Timer::getTime(); + break; + case KEY_UP: + if (MultiLine || (WordWrap && BrokenText.size() > 1) ) + { + s32 lineNo = getLineFromPos(CursorPos); + s32 mb = (MarkBegin == MarkEnd) ? CursorPos : (MarkBegin > MarkEnd ? MarkBegin : MarkEnd); + if (lineNo > 0) + { + s32 cp = CursorPos - BrokenTextPositions[lineNo]; + if ((s32)BrokenText[lineNo-1].size() < cp) + CursorPos = BrokenTextPositions[lineNo-1] + core::max_((u32)1, BrokenText[lineNo-1].size())-1; + else + CursorPos = BrokenTextPositions[lineNo-1] + cp; + } + + if (event.KeyInput.Shift) + { + newMarkBegin = mb; + newMarkEnd = CursorPos; + } + else + { + newMarkBegin = 0; + newMarkEnd = 0; + } + + } + else + { + return false; + } + break; + case KEY_DOWN: + if (MultiLine || (WordWrap && BrokenText.size() > 1) ) + { + s32 lineNo = getLineFromPos(CursorPos); + s32 mb = (MarkBegin == MarkEnd) ? CursorPos : (MarkBegin < MarkEnd ? MarkBegin : MarkEnd); + if (lineNo < (s32)BrokenText.size()-1) + { + s32 cp = CursorPos - BrokenTextPositions[lineNo]; + if ((s32)BrokenText[lineNo+1].size() < cp) + CursorPos = BrokenTextPositions[lineNo+1] + core::max_((u32)1, BrokenText[lineNo+1].size())-1; + else + CursorPos = BrokenTextPositions[lineNo+1] + cp; + } + + if (event.KeyInput.Shift) + { + newMarkBegin = mb; + newMarkEnd = CursorPos; + } + else + { + newMarkBegin = 0; + newMarkEnd = 0; + } + + } + else + { + return false; + } + break; + + case KEY_BACK: + if ( !isEnabled() ) + break; + + if (Text.size()) + { + core::stringw s; + + if (MarkBegin != MarkEnd) + { + // delete marked text + const s32 realmbgn = MarkBegin < MarkEnd ? MarkBegin : MarkEnd; + const s32 realmend = MarkBegin < MarkEnd ? MarkEnd : MarkBegin; + + s = Text.subString(0, realmbgn); + s.append( Text.subString(realmend, Text.size()-realmend) ); + Text = s; + + CursorPos = realmbgn; + } + else + { + // delete text behind cursor + if (CursorPos>0) + s = Text.subString(0, CursorPos-1); + else + s = L""; + s.append( Text.subString(CursorPos, Text.size()-CursorPos) ); + Text = s; + --CursorPos; + } + + if (CursorPos < 0) + CursorPos = 0; + BlinkStartTime = os::Timer::getTime(); + newMarkBegin = 0; + newMarkEnd = 0; + textChanged = true; + } + break; + case KEY_DELETE: + if ( !isEnabled() ) + break; + + if (Text.size() != 0) + { + core::stringw s; + + if (MarkBegin != MarkEnd) + { + // delete marked text + const s32 realmbgn = MarkBegin < MarkEnd ? MarkBegin : MarkEnd; + const s32 realmend = MarkBegin < MarkEnd ? MarkEnd : MarkBegin; + + s = Text.subString(0, realmbgn); + s.append( Text.subString(realmend, Text.size()-realmend) ); + Text = s; + + CursorPos = realmbgn; + } + else + { + // delete text before cursor + s = Text.subString(0, CursorPos); + s.append( Text.subString(CursorPos+1, Text.size()-CursorPos-1) ); + Text = s; + } + + if (CursorPos > (s32)Text.size()) + CursorPos = (s32)Text.size(); + + BlinkStartTime = os::Timer::getTime(); + newMarkBegin = 0; + newMarkEnd = 0; + textChanged = true; + } + break; + + case KEY_ESCAPE: + case KEY_TAB: + case KEY_SHIFT: + 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_F13: + case KEY_F14: + case KEY_F15: + case KEY_F16: + case KEY_F17: + case KEY_F18: + case KEY_F19: + case KEY_F20: + case KEY_F21: + case KEY_F22: + case KEY_F23: + case KEY_F24: + // ignore these keys + return false; + + default: + inputChar(event.KeyInput.Char); + return true; + } + + // Set new text markers + setTextMarkers( newMarkBegin, newMarkEnd ); + + // break the text if it has changed + if (textChanged) + { + breakText(); + calculateScrollPos(); + sendGuiEvent(EGET_EDITBOX_CHANGED); + } + else + { + calculateScrollPos(); + } + + return true; +} + + +//! draws the element and its children +void CGUIEditBox::draw() +{ + if (!IsVisible) + return; + + const bool focus = Environment->hasFocus(this); + + IGUISkin* skin = Environment->getSkin(); + if (!skin) + return; + + EGUI_DEFAULT_COLOR bgCol = EGDC_GRAY_EDITABLE; + if ( isEnabled() ) + bgCol = focus ? EGDC_FOCUSED_EDITABLE : EGDC_EDITABLE; + + if (!Border && Background) + { + skin->draw2DRectangle(this, skin->getColor(bgCol), AbsoluteRect, &AbsoluteClippingRect); + } + + if (Border) + { + // draw the border + skin->draw3DSunkenPane(this, skin->getColor(bgCol), false, Background, AbsoluteRect, &AbsoluteClippingRect); + + calculateFrameRect(); + } + + core::rect localClipRect = FrameRect; + localClipRect.clipAgainst(AbsoluteClippingRect); + + // draw the text + + IGUIFont* font = getActiveFont(); + + s32 cursorLine = 0; + s32 charcursorpos = 0; + + if (font) + { + if (LastBreakFont != font) + { + breakText(); + } + + // calculate cursor pos + + core::stringw *txtLine = &Text; + s32 startPos = 0; + + core::stringw s, s2; + + // get mark position + const bool ml = (!PasswordBox && (WordWrap || MultiLine)); + const s32 realmbgn = MarkBegin < MarkEnd ? MarkBegin : MarkEnd; + const s32 realmend = MarkBegin < MarkEnd ? MarkEnd : MarkBegin; + const s32 hlineStart = ml ? getLineFromPos(realmbgn) : 0; + const s32 hlineCount = ml ? getLineFromPos(realmend) - hlineStart + 1 : 1; + const s32 lineCount = ml ? BrokenText.size() : 1; + + // Save the override color information. + // Then, alter it if the edit box is disabled. + const bool prevOver = OverrideColorEnabled; + const video::SColor prevColor = OverrideColor; + + if (Text.size()) + { + if (!isEnabled() && !OverrideColorEnabled) + { + OverrideColorEnabled = true; + OverrideColor = skin->getColor(EGDC_GRAY_TEXT); + } + + for (s32 i=0; i < lineCount; ++i) + { + setTextRect(i); + + // clipping test - don't draw anything outside the visible area + core::rect c = localClipRect; + c.clipAgainst(CurrentTextRect); + if (!c.isValid()) + continue; + + // get current line + if (PasswordBox) + { + if (BrokenText.size() != 1) + { + BrokenText.clear(); + BrokenText.push_back(core::stringw()); + } + if (BrokenText[0].size() != Text.size()) + { + BrokenText[0] = Text; + for (u32 q = 0; q < Text.size(); ++q) + { + BrokenText[0] [q] = PasswordChar; + } + } + txtLine = &BrokenText[0]; + startPos = 0; + } + else + { + txtLine = ml ? &BrokenText[i] : &Text; + startPos = ml ? BrokenTextPositions[i] : 0; + } + + + // draw normal text + font->draw(txtLine->c_str(), CurrentTextRect, + OverrideColorEnabled ? OverrideColor : skin->getColor(EGDC_BUTTON_TEXT), + false, true, &localClipRect); + + // draw mark and marked text + if (focus && MarkBegin != MarkEnd && i >= hlineStart && i < hlineStart + hlineCount) + { + + s32 mbegin = 0, mend = 0; + s32 lineStartPos = 0, lineEndPos = txtLine->size(); + + if (i == hlineStart) + { + // highlight start is on this line + s = txtLine->subString(0, realmbgn - startPos); + mbegin = font->getDimension(s.c_str()).Width; + + // deal with kerning + mbegin += font->getKerningWidth( + &((*txtLine)[realmbgn - startPos]), + realmbgn - startPos > 0 ? &((*txtLine)[realmbgn - startPos - 1]) : 0); + + lineStartPos = realmbgn - startPos; + } + if (i == hlineStart + hlineCount - 1) + { + // highlight end is on this line + s2 = txtLine->subString(0, realmend - startPos); + mend = font->getDimension(s2.c_str()).Width; + lineEndPos = (s32)s2.size(); + } + else + mend = font->getDimension(txtLine->c_str()).Width; + + CurrentTextRect.UpperLeftCorner.X += mbegin; + CurrentTextRect.LowerRightCorner.X = CurrentTextRect.UpperLeftCorner.X + mend - mbegin; + + // draw mark + skin->draw2DRectangle(this, skin->getColor(EGDC_HIGH_LIGHT), CurrentTextRect, &localClipRect); + + // draw marked text + s = txtLine->subString(lineStartPos, lineEndPos - lineStartPos); + + if (s.size()) + font->draw(s.c_str(), CurrentTextRect, + OverrideColorEnabled ? OverrideColor : skin->getColor(EGDC_HIGH_LIGHT_TEXT), + false, true, &localClipRect); + + } + } + + // Return the override color information to its previous settings. + OverrideColorEnabled = prevOver; + OverrideColor = prevColor; + } + + // draw cursor + if ( IsEnabled ) + { + if (WordWrap || MultiLine) + { + cursorLine = getLineFromPos(CursorPos); + txtLine = &BrokenText[cursorLine]; + startPos = BrokenTextPositions[cursorLine]; + } + s = txtLine->subString(0,CursorPos-startPos); + charcursorpos = font->getDimension(s.c_str()).Width + + font->getKerningWidth(L"_", CursorPos-startPos > 0 ? &((*txtLine)[CursorPos-startPos-1]) : 0); + + if (focus && (os::Timer::getTime() - BlinkStartTime) % 700 < 350) + { + setTextRect(cursorLine); + CurrentTextRect.UpperLeftCorner.X += charcursorpos; + + font->draw(L"_", CurrentTextRect, + OverrideColorEnabled ? OverrideColor : skin->getColor(EGDC_BUTTON_TEXT), + false, true, &localClipRect); + } + } + } + + // draw children + IGUIElement::draw(); +} + + +//! Sets the new caption of this element. +void CGUIEditBox::setText(const wchar_t* text) +{ + Text = text; + if (u32(CursorPos) > Text.size()) + CursorPos = Text.size(); + HScrollPos = 0; + breakText(); +} + + +//! Enables or disables automatic scrolling with cursor position +//! \param enable: If set to true, the text will move around with the cursor position +void CGUIEditBox::setAutoScroll(bool enable) +{ + AutoScroll = enable; +} + + +//! Checks to see if automatic scrolling is enabled +//! \return true if automatic scrolling is enabled, false if not +bool CGUIEditBox::isAutoScrollEnabled() const +{ + _IRR_IMPLEMENT_MANAGED_MARSHALLING_BUGFIX; + return AutoScroll; +} + + +//! Gets the area of the text in the edit box +//! \return Returns the size in pixels of the text +core::dimension2du CGUIEditBox::getTextDimension() +{ + core::rect ret; + + setTextRect(0); + ret = CurrentTextRect; + + for (u32 i=1; i < BrokenText.size(); ++i) + { + setTextRect(i); + ret.addInternalPoint(CurrentTextRect.UpperLeftCorner); + ret.addInternalPoint(CurrentTextRect.LowerRightCorner); + } + + return core::dimension2du(ret.getSize()); +} + + +//! Sets the maximum amount of characters which may be entered in the box. +//! \param max: Maximum amount of characters. If 0, the character amount is +//! infinity. +void CGUIEditBox::setMax(u32 max) +{ + Max = max; + + if (Text.size() > Max && Max != 0) + Text = Text.subString(0, Max); +} + + +//! Returns maximum amount of characters, previously set by setMax(); +u32 CGUIEditBox::getMax() const +{ + return Max; +} + + +bool CGUIEditBox::processMouse(const SEvent& event) +{ + switch(event.MouseInput.Event) + { + case irr::EMIE_LMOUSE_LEFT_UP: + if (Environment->hasFocus(this)) + { + CursorPos = getCursorPos(event.MouseInput.X, event.MouseInput.Y); + if (MouseMarking) + { + setTextMarkers( MarkBegin, CursorPos ); + } + MouseMarking = false; + calculateScrollPos(); + return true; + } + break; + case irr::EMIE_MOUSE_MOVED: + { + if (MouseMarking) + { + CursorPos = getCursorPos(event.MouseInput.X, event.MouseInput.Y); + setTextMarkers( MarkBegin, CursorPos ); + calculateScrollPos(); + return true; + } + } + break; + case EMIE_LMOUSE_PRESSED_DOWN: + if (!Environment->hasFocus(this)) + { + BlinkStartTime = os::Timer::getTime(); + MouseMarking = true; + CursorPos = getCursorPos(event.MouseInput.X, event.MouseInput.Y); + setTextMarkers(CursorPos, CursorPos ); + calculateScrollPos(); + return true; + } + else + { + if (!AbsoluteClippingRect.isPointInside( + core::position2d(event.MouseInput.X, event.MouseInput.Y))) + { + return false; + } + else + { + // move cursor + CursorPos = getCursorPos(event.MouseInput.X, event.MouseInput.Y); + + s32 newMarkBegin = MarkBegin; + if (!MouseMarking) + newMarkBegin = CursorPos; + + MouseMarking = true; + setTextMarkers( newMarkBegin, CursorPos); + calculateScrollPos(); + return true; + } + } + default: + break; + } + + return false; +} + + +s32 CGUIEditBox::getCursorPos(s32 x, s32 y) +{ + IGUIFont* font = getActiveFont(); + + const u32 lineCount = (WordWrap || MultiLine) ? BrokenText.size() : 1; + + core::stringw *txtLine=0; + s32 startPos=0; + x+=3; + + for (u32 i=0; i < lineCount; ++i) + { + setTextRect(i); + if (i == 0 && y < CurrentTextRect.UpperLeftCorner.Y) + y = CurrentTextRect.UpperLeftCorner.Y; + if (i == lineCount - 1 && y > CurrentTextRect.LowerRightCorner.Y ) + y = CurrentTextRect.LowerRightCorner.Y; + + // is it inside this region? + if (y >= CurrentTextRect.UpperLeftCorner.Y && y <= CurrentTextRect.LowerRightCorner.Y) + { + // we've found the clicked line + txtLine = (WordWrap || MultiLine) ? &BrokenText[i] : &Text; + startPos = (WordWrap || MultiLine) ? BrokenTextPositions[i] : 0; + break; + } + } + + if (x < CurrentTextRect.UpperLeftCorner.X) + x = CurrentTextRect.UpperLeftCorner.X; + + if ( !txtLine ) + return 0; + + s32 idx = font->getCharacterFromPos(txtLine->c_str(), x - CurrentTextRect.UpperLeftCorner.X); + + // click was on or left of the line + if (idx != -1) + return idx + startPos; + + // click was off the right edge of the line, go to end. + return txtLine->size() + startPos; +} + + +//! Breaks the single text line. +void CGUIEditBox::breakText() +{ + if ((!WordWrap && !MultiLine)) + return; + + BrokenText.clear(); // need to reallocate :/ + BrokenTextPositions.set_used(0); + + IGUIFont* font = getActiveFont(); + if (!font) + return; + + LastBreakFont = font; + + core::stringw line; + core::stringw word; + core::stringw whitespace; + s32 lastLineStart = 0; + s32 size = Text.size(); + s32 length = 0; + s32 elWidth = RelativeRect.getWidth() - 6; + wchar_t c; + + for (s32 i=0; i i ) + --CursorPos; + } + } + else if (c == L'\n') // Unix breaks + { + lineBreak = true; + c = 0; + } + + // don't break if we're not a multi-line edit box + if (!MultiLine) + lineBreak = false; + + if (c == L' ' || c == 0 || i == (size-1)) + { + // here comes the next whitespace, look if + // we can break the last word to the next line + // We also break whitespace, otherwise cursor would vanish beside the right border. + s32 whitelgth = font->getDimension(whitespace.c_str()).Width; + s32 worldlgth = font->getDimension(word.c_str()).Width; + + if (WordWrap && length + worldlgth + whitelgth > elWidth && line.size() > 0) + { + // break to next line + length = worldlgth; + BrokenText.push_back(line); + BrokenTextPositions.push_back(lastLineStart); + lastLineStart = i - (s32)word.size(); + line = word; + } + else + { + // add word to line + line += whitespace; + line += word; + length += whitelgth + worldlgth; + } + + word = L""; + whitespace = L""; + + + if ( c ) + whitespace += c; + + // compute line break + if (lineBreak) + { + line += whitespace; + line += word; + BrokenText.push_back(line); + BrokenTextPositions.push_back(lastLineStart); + lastLineStart = i+1; + line = L""; + word = L""; + whitespace = L""; + length = 0; + } + } + else + { + // yippee this is a word.. + word += c; + } + } + + line += whitespace; + line += word; + BrokenText.push_back(line); + BrokenTextPositions.push_back(lastLineStart); +} + +// TODO: that function does interpret VAlign according to line-index (indexed line is placed on top-center-bottom) +// but HAlign according to line-width (pixels) and not by row. +// Intuitively I suppose HAlign handling is better as VScrollPos should handle the line-scrolling. +// But please no one change this without also rewriting (and this time fucking testing!!!) autoscrolling (I noticed this when fixing the old autoscrolling). +void CGUIEditBox::setTextRect(s32 line) +{ + if ( line < 0 ) + return; + + IGUIFont* font = getActiveFont(); + if (!font) + return; + + core::dimension2du d; + + // get text dimension + const u32 lineCount = (WordWrap || MultiLine) ? BrokenText.size() : 1; + if (WordWrap || MultiLine) + { + d = font->getDimension(BrokenText[line].c_str()); + } + else + { + d = font->getDimension(Text.c_str()); + d.Height = AbsoluteRect.getHeight(); + } + d.Height += font->getKerningHeight(); + + // justification + switch (HAlign) + { + case EGUIA_CENTER: + // align to h centre + CurrentTextRect.UpperLeftCorner.X = (FrameRect.getWidth()/2) - (d.Width/2); + CurrentTextRect.LowerRightCorner.X = (FrameRect.getWidth()/2) + (d.Width/2); + break; + case EGUIA_LOWERRIGHT: + // align to right edge + CurrentTextRect.UpperLeftCorner.X = FrameRect.getWidth() - d.Width; + CurrentTextRect.LowerRightCorner.X = FrameRect.getWidth(); + break; + default: + // align to left edge + CurrentTextRect.UpperLeftCorner.X = 0; + CurrentTextRect.LowerRightCorner.X = d.Width; + + } + + switch (VAlign) + { + case EGUIA_CENTER: + // align to v centre + CurrentTextRect.UpperLeftCorner.Y = + (FrameRect.getHeight()/2) - (lineCount*d.Height)/2 + d.Height*line; + break; + case EGUIA_LOWERRIGHT: + // align to bottom edge + CurrentTextRect.UpperLeftCorner.Y = + FrameRect.getHeight() - lineCount*d.Height + d.Height*line; + break; + default: + // align to top edge + CurrentTextRect.UpperLeftCorner.Y = d.Height*line; + break; + } + + CurrentTextRect.UpperLeftCorner.X -= HScrollPos; + CurrentTextRect.LowerRightCorner.X -= HScrollPos; + CurrentTextRect.UpperLeftCorner.Y -= VScrollPos; + CurrentTextRect.LowerRightCorner.Y = CurrentTextRect.UpperLeftCorner.Y + d.Height; + + CurrentTextRect += FrameRect.UpperLeftCorner; + +} + + +s32 CGUIEditBox::getLineFromPos(s32 pos) +{ + if (!WordWrap && !MultiLine) + return 0; + + s32 i=0; + while (i < (s32)BrokenTextPositions.size()) + { + if (BrokenTextPositions[i] > pos) + return i-1; + ++i; + } + return (s32)BrokenTextPositions.size() - 1; +} + + +void CGUIEditBox::inputChar(wchar_t c) +{ + if (!isEnabled()) + return; + + if (c != 0) + { + if (Text.size() < Max || Max == 0) + { + core::stringw s; + + if (MarkBegin != MarkEnd) + { + // replace marked text + const s32 realmbgn = MarkBegin < MarkEnd ? MarkBegin : MarkEnd; + const s32 realmend = MarkBegin < MarkEnd ? MarkEnd : MarkBegin; + + s = Text.subString(0, realmbgn); + s.append(c); + s.append( Text.subString(realmend, Text.size()-realmend) ); + Text = s; + CursorPos = realmbgn+1; + } + else + { + // add new character + s = Text.subString(0, CursorPos); + s.append(c); + s.append( Text.subString(CursorPos, Text.size()-CursorPos) ); + Text = s; + ++CursorPos; + } + + BlinkStartTime = os::Timer::getTime(); + setTextMarkers(0, 0); + } + } + breakText(); + calculateScrollPos(); + sendGuiEvent(EGET_EDITBOX_CHANGED); +} + +// calculate autoscroll +void CGUIEditBox::calculateScrollPos() +{ + if (!AutoScroll) + return; + + IGUISkin* skin = Environment->getSkin(); + if (!skin) + return; + IGUIFont* font = OverrideFont ? OverrideFont : skin->getFont(); + if (!font) + return; + + s32 cursLine = getLineFromPos(CursorPos); + if ( cursLine < 0 ) + return; + setTextRect(cursLine); + const bool hasBrokenText = MultiLine || WordWrap; + + // Check horizonal scrolling + // NOTE: Calculations different to vertical scrolling because setTextRect interprets VAlign relative to line but HAlign not relative to row + { + // get cursor position + IGUIFont* font = getActiveFont(); + if (!font) + return; + + // get cursor area + irr::u32 cursorWidth = font->getDimension(L"_").Width; + core::stringw *txtLine = hasBrokenText ? &BrokenText[cursLine] : &Text; + s32 cPos = hasBrokenText ? CursorPos - BrokenTextPositions[cursLine] : CursorPos; // column + s32 cStart = font->getDimension(txtLine->subString(0, cPos).c_str()).Width; // pixels from text-start + s32 cEnd = cStart + cursorWidth; + s32 txtWidth = font->getDimension(txtLine->c_str()).Width; + + if ( txtWidth < FrameRect.getWidth() ) + { + // TODO: Needs a clean left and right gap removal depending on HAlign, similar to vertical scrolling tests for top/bottom. + // This check just fixes the case where it was most noticable (text smaller than clipping area). + + HScrollPos = 0; + setTextRect(cursLine); + } + + if ( CurrentTextRect.UpperLeftCorner.X+cStart < FrameRect.UpperLeftCorner.X ) + { + // cursor to the left of the clipping area + HScrollPos -= FrameRect.UpperLeftCorner.X-(CurrentTextRect.UpperLeftCorner.X+cStart); + setTextRect(cursLine); + + // TODO: should show more characters to the left when we're scrolling left + // and the cursor reaches the border. + } + else if ( CurrentTextRect.UpperLeftCorner.X+cEnd > FrameRect.LowerRightCorner.X) + { + // cursor to the right of the clipping area + HScrollPos += (CurrentTextRect.UpperLeftCorner.X+cEnd)-FrameRect.LowerRightCorner.X; + setTextRect(cursLine); + } + } + + // calculate vertical scrolling + if (hasBrokenText) + { + irr::u32 lineHeight = font->getDimension(L"A").Height + font->getKerningHeight(); + // only up to 1 line fits? + if ( lineHeight >= (irr::u32)FrameRect.getHeight() ) + { + VScrollPos = 0; + setTextRect(cursLine); + s32 unscrolledPos = CurrentTextRect.UpperLeftCorner.Y; + s32 pivot = FrameRect.UpperLeftCorner.Y; + switch (VAlign) + { + case EGUIA_CENTER: + pivot += FrameRect.getHeight()/2; + unscrolledPos += lineHeight/2; + break; + case EGUIA_LOWERRIGHT: + pivot += FrameRect.getHeight(); + unscrolledPos += lineHeight; + break; + default: + break; + } + VScrollPos = unscrolledPos-pivot; + setTextRect(cursLine); + } + else + { + // First 2 checks are necessary when people delete lines + setTextRect(0); + if ( CurrentTextRect.UpperLeftCorner.Y > FrameRect.UpperLeftCorner.Y && VAlign != EGUIA_LOWERRIGHT) + { + // first line is leaving a gap on top + VScrollPos = 0; + } + else if (VAlign != EGUIA_UPPERLEFT) + { + u32 lastLine = BrokenTextPositions.empty() ? 0 : BrokenTextPositions.size()-1; + setTextRect(lastLine); + if ( CurrentTextRect.LowerRightCorner.Y < FrameRect.LowerRightCorner.Y) + { + // last line is leaving a gap on bottom + VScrollPos -= FrameRect.LowerRightCorner.Y-CurrentTextRect.LowerRightCorner.Y; + } + } + + setTextRect(cursLine); + if ( CurrentTextRect.UpperLeftCorner.Y < FrameRect.UpperLeftCorner.Y ) + { + // text above valid area + VScrollPos -= FrameRect.UpperLeftCorner.Y-CurrentTextRect.UpperLeftCorner.Y; + setTextRect(cursLine); + } + else if ( CurrentTextRect.LowerRightCorner.Y > FrameRect.LowerRightCorner.Y) + { + // text below valid area + VScrollPos += CurrentTextRect.LowerRightCorner.Y-FrameRect.LowerRightCorner.Y; + setTextRect(cursLine); + } + } + } +} + +void CGUIEditBox::calculateFrameRect() +{ + FrameRect = AbsoluteRect; + IGUISkin *skin = 0; + if (Environment) + skin = Environment->getSkin(); + if (Border && skin) + { + FrameRect.UpperLeftCorner.X += skin->getSize(EGDS_TEXT_DISTANCE_X)+1; + FrameRect.UpperLeftCorner.Y += skin->getSize(EGDS_TEXT_DISTANCE_Y)+1; + FrameRect.LowerRightCorner.X -= skin->getSize(EGDS_TEXT_DISTANCE_X)+1; + FrameRect.LowerRightCorner.Y -= skin->getSize(EGDS_TEXT_DISTANCE_Y)+1; + } +} + +//! set text markers +void CGUIEditBox::setTextMarkers(s32 begin, s32 end) +{ + if ( begin != MarkBegin || end != MarkEnd ) + { + MarkBegin = begin; + MarkEnd = end; + sendGuiEvent(EGET_EDITBOX_MARKING_CHANGED); + } +} + +//! send some gui event to parent +void CGUIEditBox::sendGuiEvent(EGUI_EVENT_TYPE type) +{ + if ( Parent ) + { + SEvent e; + e.EventType = EET_GUI_EVENT; + e.GUIEvent.Caller = this; + e.GUIEvent.Element = 0; + e.GUIEvent.EventType = type; + + Parent->OnEvent(e); + } +} + +//! Writes attributes of the element. +void CGUIEditBox::serializeAttributes(io::IAttributes* out, io::SAttributeReadWriteOptions* options=0) const +{ + // IGUIEditBox::serializeAttributes(out,options); + + out->addBool ("Border", Border); + out->addBool ("Background", Background); + out->addBool ("OverrideColorEnabled", OverrideColorEnabled ); + out->addColor ("OverrideColor", OverrideColor); + // out->addFont("OverrideFont", OverrideFont); + out->addInt ("MaxChars", Max); + out->addBool ("WordWrap", WordWrap); + out->addBool ("MultiLine", MultiLine); + out->addBool ("AutoScroll", AutoScroll); + out->addBool ("PasswordBox", PasswordBox); + core::stringw ch = L" "; + ch[0] = PasswordChar; + out->addString("PasswordChar", ch.c_str()); + out->addEnum ("HTextAlign", HAlign, GUIAlignmentNames); + out->addEnum ("VTextAlign", VAlign, GUIAlignmentNames); + + IGUIEditBox::serializeAttributes(out,options); +} + + +//! Reads attributes of the element +void CGUIEditBox::deserializeAttributes(io::IAttributes* in, io::SAttributeReadWriteOptions* options=0) +{ + IGUIEditBox::deserializeAttributes(in,options); + + setDrawBorder( in->getAttributeAsBool("Border") ); + setDrawBackground( in->getAttributeAsBool("Background") ); + setOverrideColor(in->getAttributeAsColor("OverrideColor")); + enableOverrideColor(in->getAttributeAsBool("OverrideColorEnabled")); + setMax(in->getAttributeAsInt("MaxChars")); + setWordWrap(in->getAttributeAsBool("WordWrap")); + setMultiLine(in->getAttributeAsBool("MultiLine")); + setAutoScroll(in->getAttributeAsBool("AutoScroll")); + core::stringw ch = in->getAttributeAsStringW("PasswordChar"); + + if (!ch.size()) + setPasswordBox(in->getAttributeAsBool("PasswordBox")); + else + setPasswordBox(in->getAttributeAsBool("PasswordBox"), ch[0]); + + setTextAlignment( (EGUI_ALIGNMENT) in->getAttributeAsEnumeration("HTextAlign", GUIAlignmentNames), + (EGUI_ALIGNMENT) in->getAttributeAsEnumeration("VTextAlign", GUIAlignmentNames)); + + // setOverrideFont(in->getAttributeAsFont("OverrideFont")); +} + + +} // end namespace gui +} // end namespace irr + +#endif // _IRR_COMPILE_WITH_GUI_ + -- cgit v1.1