2019-12-12 17:32:41 +01:00
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// Copyright (C) 2002-2012 Nikolaus Gebhardt
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// This file is part of the "Irrlicht Engine".
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// For conditions of distribution and use, see copyright notice in irrlicht.h
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#include "CGUIStaticText.h"
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#ifdef _IRR_COMPILE_WITH_GUI_
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#include "IGUISkin.h"
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#include "IGUIEnvironment.h"
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#include "IGUIFont.h"
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#include "IVideoDriver.h"
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#include "rect.h"
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namespace irr
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{
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namespace gui
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{
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//! constructor
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CGUIStaticText::CGUIStaticText(const wchar_t* text, bool border,
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IGUIEnvironment* environment, IGUIElement* parent,
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s32 id, const core::rect<s32>& rectangle,
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bool background)
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: IGUIStaticText(environment, parent, id, rectangle),
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HAlign(EGUIA_UPPERLEFT), VAlign(EGUIA_UPPERLEFT),
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Border(border), OverrideColorEnabled(false), OverrideBGColorEnabled(false), WordWrap(false), Background(background),
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RestrainTextInside(true), RightToLeft(false),
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OverrideColor(video::SColor(101,255,255,255)), BGColor(video::SColor(101,210,210,210)),
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OverrideFont(0), LastBreakFont(0)
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{
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#ifdef _DEBUG
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setDebugName("CGUIStaticText");
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#endif
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Text = text;
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if (environment && environment->getSkin())
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{
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BGColor = environment->getSkin()->getColor(gui::EGDC_3D_FACE);
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}
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}
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//! destructor
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CGUIStaticText::~CGUIStaticText()
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{
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if (OverrideFont)
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OverrideFont->drop();
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}
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//! draws the element and its children
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void CGUIStaticText::draw()
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{
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if (!IsVisible)
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return;
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IGUISkin* skin = Environment->getSkin();
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if (!skin)
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return;
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video::IVideoDriver* driver = Environment->getVideoDriver();
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core::rect<s32> frameRect(AbsoluteRect);
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// draw background
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if (Background)
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{
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if ( !OverrideBGColorEnabled ) // skin-colors can change
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BGColor = skin->getColor(gui::EGDC_3D_FACE);
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driver->draw2DRectangle(BGColor, frameRect, &AbsoluteClippingRect);
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}
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// draw the border
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if (Border)
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{
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skin->draw3DSunkenPane(this, 0, true, false, frameRect, &AbsoluteClippingRect);
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frameRect.UpperLeftCorner.X += skin->getSize(EGDS_TEXT_DISTANCE_X);
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}
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// draw the text
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if (Text.size())
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{
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IGUIFont* font = getActiveFont();
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if (font)
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{
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if (!WordWrap)
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{
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if (VAlign == EGUIA_LOWERRIGHT)
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{
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frameRect.UpperLeftCorner.Y = frameRect.LowerRightCorner.Y -
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font->getDimension(L"A").Height - font->getKerningHeight();
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}
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if (HAlign == EGUIA_LOWERRIGHT)
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{
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frameRect.UpperLeftCorner.X = frameRect.LowerRightCorner.X -
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font->getDimension(Text.c_str()).Width;
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}
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2020-12-10 15:45:30 +01:00
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font->draw(Text.c_str(), frameRect,
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getActiveColor(),
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2019-12-12 17:32:41 +01:00
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HAlign == EGUIA_CENTER, VAlign == EGUIA_CENTER, (RestrainTextInside ? &AbsoluteClippingRect : NULL));
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}
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else
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{
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if (font != LastBreakFont)
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breakText();
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core::rect<s32> r = frameRect;
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s32 height = font->getDimension(L"A").Height + font->getKerningHeight();
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s32 totalHeight = height * BrokenText.size();
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if (VAlign == EGUIA_CENTER)
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{
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r.UpperLeftCorner.Y = r.getCenter().Y - (totalHeight / 2);
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}
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else if (VAlign == EGUIA_LOWERRIGHT)
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{
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r.UpperLeftCorner.Y = r.LowerRightCorner.Y - totalHeight;
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}
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for (u32 i=0; i<BrokenText.size(); ++i)
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{
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if (HAlign == EGUIA_LOWERRIGHT)
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{
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r.UpperLeftCorner.X = frameRect.LowerRightCorner.X -
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font->getDimension(BrokenText[i].c_str()).Width;
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}
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font->draw(BrokenText[i].c_str(), r,
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2020-12-10 15:45:30 +01:00
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getActiveColor(),
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2019-12-12 17:32:41 +01:00
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HAlign == EGUIA_CENTER, false, (RestrainTextInside ? &AbsoluteClippingRect : NULL));
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r.LowerRightCorner.Y += height;
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r.UpperLeftCorner.Y += height;
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}
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}
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}
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}
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IGUIElement::draw();
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}
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//! Sets another skin independent font.
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void CGUIStaticText::setOverrideFont(IGUIFont* font)
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{
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if (OverrideFont == font)
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return;
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if (OverrideFont)
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OverrideFont->drop();
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OverrideFont = font;
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if (OverrideFont)
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OverrideFont->grab();
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breakText();
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}
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//! Gets the override font (if any)
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IGUIFont * CGUIStaticText::getOverrideFont() const
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{
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return OverrideFont;
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}
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//! Get the font which is used right now for drawing
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IGUIFont* CGUIStaticText::getActiveFont() const
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{
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if ( OverrideFont )
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return OverrideFont;
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IGUISkin* skin = Environment->getSkin();
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if (skin)
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return skin->getFont();
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return 0;
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}
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//! Sets another color for the text.
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void CGUIStaticText::setOverrideColor(video::SColor color)
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{
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OverrideColor = color;
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OverrideColorEnabled = true;
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}
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//! Sets another color for the text.
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void CGUIStaticText::setBackgroundColor(video::SColor color)
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{
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BGColor = color;
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OverrideBGColorEnabled = true;
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Background = true;
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}
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//! Sets whether to draw the background
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void CGUIStaticText::setDrawBackground(bool draw)
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{
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Background = draw;
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}
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//! Gets the background color
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video::SColor CGUIStaticText::getBackgroundColor() const
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{
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return BGColor;
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}
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//! Checks if background drawing is enabled
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bool CGUIStaticText::isDrawBackgroundEnabled() const
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{
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return Background;
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}
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//! Sets whether to draw the border
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void CGUIStaticText::setDrawBorder(bool draw)
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{
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Border = draw;
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}
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//! Checks if border drawing is enabled
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bool CGUIStaticText::isDrawBorderEnabled() const
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{
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return Border;
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}
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void CGUIStaticText::setTextRestrainedInside(bool restrainTextInside)
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{
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RestrainTextInside = restrainTextInside;
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}
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bool CGUIStaticText::isTextRestrainedInside() const
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{
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return RestrainTextInside;
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}
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void CGUIStaticText::setTextAlignment(EGUI_ALIGNMENT horizontal, EGUI_ALIGNMENT vertical)
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{
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HAlign = horizontal;
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VAlign = vertical;
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}
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video::SColor CGUIStaticText::getOverrideColor() const
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{
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return OverrideColor;
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}
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2020-12-10 15:45:30 +01:00
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irr::video::SColor CGUIStaticText::getActiveColor() const
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{
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if ( OverrideColorEnabled )
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return OverrideColor;
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IGUISkin* skin = Environment->getSkin();
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if (skin)
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return OverrideColorEnabled ? OverrideColor : skin->getColor(isEnabled() ? EGDC_BUTTON_TEXT : EGDC_GRAY_TEXT);
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return OverrideColor;
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}
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2019-12-12 17:32:41 +01:00
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//! Sets if the static text should use the override color or the
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//! color in the gui skin.
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void CGUIStaticText::enableOverrideColor(bool enable)
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{
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OverrideColorEnabled = enable;
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}
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bool CGUIStaticText::isOverrideColorEnabled() const
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{
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return OverrideColorEnabled;
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}
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//! Enables or disables word wrap for using the static text as
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//! multiline text control.
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void CGUIStaticText::setWordWrap(bool enable)
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{
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WordWrap = enable;
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breakText();
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}
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bool CGUIStaticText::isWordWrapEnabled() const
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{
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return WordWrap;
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}
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void CGUIStaticText::setRightToLeft(bool rtl)
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{
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if (RightToLeft != rtl)
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{
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RightToLeft = rtl;
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breakText();
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}
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}
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bool CGUIStaticText::isRightToLeft() const
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{
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return RightToLeft;
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}
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//! Breaks the single text line.
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void CGUIStaticText::breakText()
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{
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if (!WordWrap)
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return;
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BrokenText.clear();
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IGUISkin* skin = Environment->getSkin();
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IGUIFont* font = getActiveFont();
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if (!font)
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return;
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LastBreakFont = font;
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core::stringw line;
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core::stringw word;
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core::stringw whitespace;
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s32 size = Text.size();
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s32 length = 0;
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s32 elWidth = RelativeRect.getWidth();
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if (Border)
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elWidth -= 2*skin->getSize(EGDS_TEXT_DISTANCE_X);
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wchar_t c;
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// We have to deal with right-to-left and left-to-right differently
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// However, most parts of the following code is the same, it's just
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// some order and boundaries which change.
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if (!RightToLeft)
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{
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// regular (left-to-right)
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for (s32 i=0; i<size; ++i)
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{
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c = Text[i];
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bool lineBreak = false;
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if (c == L'\r') // Mac or Windows breaks
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{
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lineBreak = true;
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if (Text[i+1] == L'\n') // Windows breaks
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{
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Text.erase(i+1);
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--size;
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}
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c = '\0';
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}
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else if (c == L'\n') // Unix breaks
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{
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lineBreak = true;
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c = '\0';
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}
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bool isWhitespace = (c == L' ' || c == 0);
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if ( !isWhitespace )
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{
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// part of a word
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word += c;
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}
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if ( isWhitespace || i == (size-1))
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{
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if (word.size())
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{
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// here comes the next whitespace, look if
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// we must break the last word to the next line.
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const s32 whitelgth = font->getDimension(whitespace.c_str()).Width;
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const s32 wordlgth = font->getDimension(word.c_str()).Width;
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if (wordlgth > elWidth)
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{
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// This word is too long to fit in the available space, look for
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// the Unicode Soft HYphen (SHY / 00AD) character for a place to
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// break the word at
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int where = word.findFirst( wchar_t(0x00AD) );
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if (where != -1)
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{
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core::stringw first = word.subString(0, where);
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core::stringw second = word.subString(where, word.size() - where);
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BrokenText.push_back(line + first + L"-");
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const s32 secondLength = font->getDimension(second.c_str()).Width;
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length = secondLength;
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line = second;
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}
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else
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{
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// No soft hyphen found, so there's nothing more we can do
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// break to next line
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if (length)
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BrokenText.push_back(line);
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length = wordlgth;
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line = word;
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}
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}
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else if (length && (length + wordlgth + whitelgth > elWidth))
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{
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// break to next line
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BrokenText.push_back(line);
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length = wordlgth;
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line = word;
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}
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|
else
|
|
|
|
{
|
|
|
|
// add word to line
|
|
|
|
line += whitespace;
|
|
|
|
line += word;
|
|
|
|
length += whitelgth + wordlgth;
|
|
|
|
}
|
|
|
|
|
|
|
|
word = L"";
|
|
|
|
whitespace = L"";
|
|
|
|
}
|
|
|
|
|
|
|
|
if ( isWhitespace )
|
|
|
|
{
|
|
|
|
whitespace += c;
|
|
|
|
}
|
|
|
|
|
|
|
|
// compute line break
|
|
|
|
if (lineBreak)
|
|
|
|
{
|
|
|
|
line += whitespace;
|
|
|
|
line += word;
|
|
|
|
BrokenText.push_back(line);
|
|
|
|
line = L"";
|
|
|
|
word = L"";
|
|
|
|
whitespace = L"";
|
|
|
|
length = 0;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
line += whitespace;
|
|
|
|
line += word;
|
|
|
|
BrokenText.push_back(line);
|
|
|
|
}
|
|
|
|
else
|
|
|
|
{
|
|
|
|
// right-to-left
|
|
|
|
for (s32 i=size; i>=0; --i)
|
|
|
|
{
|
|
|
|
c = Text[i];
|
|
|
|
bool lineBreak = false;
|
|
|
|
|
|
|
|
if (c == L'\r') // Mac or Windows breaks
|
|
|
|
{
|
|
|
|
lineBreak = true;
|
|
|
|
if ((i>0) && Text[i-1] == L'\n') // Windows breaks
|
|
|
|
{
|
|
|
|
Text.erase(i-1);
|
|
|
|
--size;
|
|
|
|
}
|
|
|
|
c = '\0';
|
|
|
|
}
|
|
|
|
else if (c == L'\n') // Unix breaks
|
|
|
|
{
|
|
|
|
lineBreak = true;
|
|
|
|
c = '\0';
|
|
|
|
}
|
|
|
|
|
|
|
|
if (c==L' ' || c==0 || i==0)
|
|
|
|
{
|
|
|
|
if (word.size())
|
|
|
|
{
|
|
|
|
// here comes the next whitespace, look if
|
|
|
|
// we must break the last word to the next line.
|
|
|
|
const s32 whitelgth = font->getDimension(whitespace.c_str()).Width;
|
|
|
|
const s32 wordlgth = font->getDimension(word.c_str()).Width;
|
|
|
|
|
|
|
|
if (length && (length + wordlgth + whitelgth > elWidth))
|
|
|
|
{
|
|
|
|
// break to next line
|
|
|
|
BrokenText.push_back(line);
|
|
|
|
length = wordlgth;
|
|
|
|
line = word;
|
|
|
|
}
|
|
|
|
else
|
|
|
|
{
|
|
|
|
// add word to line
|
|
|
|
line = whitespace + line;
|
|
|
|
line = word + line;
|
|
|
|
length += whitelgth + wordlgth;
|
|
|
|
}
|
|
|
|
|
|
|
|
word = L"";
|
|
|
|
whitespace = L"";
|
|
|
|
}
|
|
|
|
|
|
|
|
if (c != 0)
|
|
|
|
whitespace = core::stringw(&c, 1) + whitespace;
|
|
|
|
|
|
|
|
// compute line break
|
|
|
|
if (lineBreak)
|
|
|
|
{
|
|
|
|
line = whitespace + line;
|
|
|
|
line = word + line;
|
|
|
|
BrokenText.push_back(line);
|
|
|
|
line = L"";
|
|
|
|
word = L"";
|
|
|
|
whitespace = L"";
|
|
|
|
length = 0;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
else
|
|
|
|
{
|
|
|
|
// yippee this is a word..
|
|
|
|
word = core::stringw(&c, 1) + word;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
line = whitespace + line;
|
|
|
|
line = word + line;
|
|
|
|
BrokenText.push_back(line);
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
//! Sets the new caption of this element.
|
|
|
|
void CGUIStaticText::setText(const wchar_t* text)
|
|
|
|
{
|
|
|
|
IGUIElement::setText(text);
|
|
|
|
breakText();
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
void CGUIStaticText::updateAbsolutePosition()
|
|
|
|
{
|
|
|
|
IGUIElement::updateAbsolutePosition();
|
|
|
|
breakText();
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
//! Returns the height of the text in pixels when it is drawn.
|
|
|
|
s32 CGUIStaticText::getTextHeight() const
|
|
|
|
{
|
|
|
|
IGUIFont* font = getActiveFont();
|
|
|
|
if (!font)
|
|
|
|
return 0;
|
|
|
|
|
|
|
|
if (WordWrap)
|
|
|
|
{
|
|
|
|
s32 height = font->getDimension(L"A").Height + font->getKerningHeight();
|
|
|
|
return height* BrokenText.size();
|
|
|
|
}
|
|
|
|
else
|
|
|
|
{
|
|
|
|
// TODO: Text can have multiple lines which are not in BrokenText
|
|
|
|
// This is likely not correct. But as I have no time for further
|
|
|
|
// investigation I just fix it for now by return the true height here.
|
|
|
|
return font->getDimension(Text.c_str()).Height;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
s32 CGUIStaticText::getTextWidth() const
|
|
|
|
{
|
|
|
|
IGUIFont * font = getActiveFont();
|
|
|
|
if(!font)
|
|
|
|
return 0;
|
|
|
|
|
|
|
|
if(WordWrap)
|
|
|
|
{
|
|
|
|
s32 widest = 0;
|
|
|
|
|
|
|
|
for(u32 line = 0; line < BrokenText.size(); ++line)
|
|
|
|
{
|
|
|
|
s32 width = font->getDimension(BrokenText[line].c_str()).Width;
|
|
|
|
|
|
|
|
if(width > widest)
|
|
|
|
widest = width;
|
|
|
|
}
|
|
|
|
|
|
|
|
return widest;
|
|
|
|
}
|
|
|
|
else
|
|
|
|
{
|
|
|
|
return font->getDimension(Text.c_str()).Width;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
//! Writes attributes of the element.
|
|
|
|
//! Implement this to expose the attributes of your element for
|
|
|
|
//! scripting languages, editors, debuggers or xml serialization purposes.
|
|
|
|
void CGUIStaticText::serializeAttributes(io::IAttributes* out, io::SAttributeReadWriteOptions* options=0) const
|
|
|
|
{
|
|
|
|
IGUIStaticText::serializeAttributes(out,options);
|
|
|
|
|
|
|
|
out->addBool ("Border", Border);
|
|
|
|
out->addBool ("OverrideColorEnabled",OverrideColorEnabled);
|
|
|
|
out->addBool ("OverrideBGColorEnabled",OverrideBGColorEnabled);
|
|
|
|
out->addBool ("WordWrap", WordWrap);
|
|
|
|
out->addBool ("Background", Background);
|
|
|
|
out->addBool ("RightToLeft", RightToLeft);
|
|
|
|
out->addBool ("RestrainTextInside", RestrainTextInside);
|
|
|
|
out->addColor ("OverrideColor", OverrideColor);
|
|
|
|
out->addColor ("BGColor", BGColor);
|
|
|
|
out->addEnum ("HTextAlign", HAlign, GUIAlignmentNames);
|
|
|
|
out->addEnum ("VTextAlign", VAlign, GUIAlignmentNames);
|
|
|
|
|
|
|
|
// out->addFont ("OverrideFont", OverrideFont);
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
//! Reads attributes of the element
|
|
|
|
void CGUIStaticText::deserializeAttributes(io::IAttributes* in, io::SAttributeReadWriteOptions* options=0)
|
|
|
|
{
|
|
|
|
IGUIStaticText::deserializeAttributes(in,options);
|
|
|
|
|
|
|
|
Border = in->getAttributeAsBool("Border", Border);
|
|
|
|
enableOverrideColor(in->getAttributeAsBool("OverrideColorEnabled", OverrideColorEnabled));
|
|
|
|
OverrideBGColorEnabled = in->getAttributeAsBool("OverrideBGColorEnabled", OverrideBGColorEnabled);
|
|
|
|
setWordWrap(in->getAttributeAsBool("WordWrap", WordWrap));
|
|
|
|
Background = in->getAttributeAsBool("Background", Background);
|
|
|
|
RightToLeft = in->getAttributeAsBool("RightToLeft", RightToLeft);
|
|
|
|
RestrainTextInside = in->getAttributeAsBool("RestrainTextInside", RestrainTextInside);
|
|
|
|
OverrideColor = in->getAttributeAsColor("OverrideColor", OverrideColor);
|
|
|
|
BGColor = in->getAttributeAsColor("BGColor", BGColor);
|
|
|
|
|
|
|
|
setTextAlignment( (EGUI_ALIGNMENT) in->getAttributeAsEnumeration("HTextAlign", GUIAlignmentNames, (s32)HAlign),
|
|
|
|
(EGUI_ALIGNMENT) in->getAttributeAsEnumeration("VTextAlign", GUIAlignmentNames, (s32)VAlign));
|
|
|
|
|
|
|
|
// OverrideFont = in->getAttributeAsFont("OverrideFont");
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
} // end namespace gui
|
|
|
|
} // end namespace irr
|
|
|
|
|
|
|
|
#endif // _IRR_COMPILE_WITH_GUI_
|
|
|
|
|