forked from Mirrorlandia_minetest/minetest
1d086aee7c
* range-based for loops * emplace_back instead of push_back * code style * C++ headers instead of C headers * Default operators * empty stl function
1501 lines
33 KiB
C++
1501 lines
33 KiB
C++
// 11.11.2011 11:11 ValkaTR
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//
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// This is a copy of intlGUIEditBox from the irrlicht, but with a
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// fix in the OnEvent function, which doesn't allowed input of
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// other keyboard layouts than latin-1
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//
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// Characters like: ä ö ü õ ы й ю я ъ № € ° ...
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//
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// This fix is only needed for linux, because of a bug
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// in the CIrrDeviceLinux.cpp:1014-1015 of the irrlicht
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//
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// Also locale in the programm should not be changed to
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// a "C", "POSIX" or whatever, it should be set to "",
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// or XLookupString will return nothing for the international
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// characters.
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//
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// From the "man setlocale":
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//
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// On startup of the main program, the portable "C" locale
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// is selected as default. A program may be made
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// portable to all locales by calling:
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//
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// setlocale(LC_ALL, "");
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//
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// after program initialization....
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//
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// Copyright (C) 2002-2013 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 <util/numeric.h>
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#include "intlGUIEditBox.h"
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#if defined(_IRR_COMPILE_WITH_GUI_) && IRRLICHT_VERSION_MAJOR == 1 && IRRLICHT_VERSION_MINOR < 9
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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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//#include "irrlicht/os.cpp"
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#include "porting.h"
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//#include "Keycodes.h"
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#include "log.h"
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/*
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todo:
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optional scrollbars
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ctrl+left/right to select word
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double click/ctrl click: word select + drag to select whole words, triple click to select line
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optional? dragging selected text
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numerical
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*/
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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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intlGUIEditBox::intlGUIEditBox(const wchar_t* text, bool border,
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IGUIEnvironment* environment, IGUIElement* parent, s32 id,
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const core::rect<s32>& rectangle)
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: IGUIEditBox(environment, parent, id, rectangle),
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Border(border),
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FrameRect(rectangle)
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{
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#ifdef _DEBUG
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setDebugName("intlintlGUIEditBox");
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#endif
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Text = text;
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if (Environment)
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Operator = Environment->getOSOperator();
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if (Operator)
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Operator->grab();
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// this element can be tabbed to
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setTabStop(true);
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setTabOrder(-1);
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IGUISkin *skin = 0;
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if (Environment)
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skin = Environment->getSkin();
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if (Border && skin)
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{
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FrameRect.UpperLeftCorner.X += skin->getSize(EGDS_TEXT_DISTANCE_X)+1;
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FrameRect.UpperLeftCorner.Y += skin->getSize(EGDS_TEXT_DISTANCE_Y)+1;
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FrameRect.LowerRightCorner.X -= skin->getSize(EGDS_TEXT_DISTANCE_X)+1;
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FrameRect.LowerRightCorner.Y -= skin->getSize(EGDS_TEXT_DISTANCE_Y)+1;
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}
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breakText();
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calculateScrollPos();
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}
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//! destructor
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intlGUIEditBox::~intlGUIEditBox()
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{
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if (OverrideFont)
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OverrideFont->drop();
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if (Operator)
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Operator->drop();
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}
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//! Sets another skin independent font.
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void intlGUIEditBox::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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IGUIFont * intlGUIEditBox::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* intlGUIEditBox::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 intlGUIEditBox::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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video::SColor intlGUIEditBox::getOverrideColor() const
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{
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return OverrideColor;
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}
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//! Turns the border on or off
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void intlGUIEditBox::setDrawBorder(bool border)
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{
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Border = border;
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}
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//! Sets whether to draw the background
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void intlGUIEditBox::setDrawBackground(bool draw)
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{
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}
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//! Sets if the text should use the overide color or the color in the gui skin.
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void intlGUIEditBox::enableOverrideColor(bool enable)
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{
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OverrideColorEnabled = enable;
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}
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bool intlGUIEditBox::isOverrideColorEnabled() const
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{
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_IRR_IMPLEMENT_MANAGED_MARSHALLING_BUGFIX;
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return OverrideColorEnabled;
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}
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//! Enables or disables word wrap
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void intlGUIEditBox::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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void intlGUIEditBox::updateAbsolutePosition()
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{
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core::rect<s32> oldAbsoluteRect(AbsoluteRect);
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IGUIElement::updateAbsolutePosition();
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if ( oldAbsoluteRect != AbsoluteRect )
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{
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breakText();
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}
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}
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//! Checks if word wrap is enabled
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bool intlGUIEditBox::isWordWrapEnabled() const
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{
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_IRR_IMPLEMENT_MANAGED_MARSHALLING_BUGFIX;
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return WordWrap;
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}
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//! Enables or disables newlines.
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void intlGUIEditBox::setMultiLine(bool enable)
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{
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MultiLine = enable;
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}
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//! Checks if multi line editing is enabled
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bool intlGUIEditBox::isMultiLineEnabled() const
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{
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_IRR_IMPLEMENT_MANAGED_MARSHALLING_BUGFIX;
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return MultiLine;
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}
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void intlGUIEditBox::setPasswordBox(bool passwordBox, wchar_t passwordChar)
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{
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PasswordBox = passwordBox;
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if (PasswordBox)
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{
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PasswordChar = passwordChar;
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setMultiLine(false);
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setWordWrap(false);
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BrokenText.clear();
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}
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}
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bool intlGUIEditBox::isPasswordBox() const
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{
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_IRR_IMPLEMENT_MANAGED_MARSHALLING_BUGFIX;
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return PasswordBox;
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}
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//! Sets text justification
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void intlGUIEditBox::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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//! called if an event happened.
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bool intlGUIEditBox::OnEvent(const SEvent& event)
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{
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if (IsEnabled)
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{
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switch(event.EventType)
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{
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case EET_GUI_EVENT:
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if (event.GUIEvent.EventType == EGET_ELEMENT_FOCUS_LOST)
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{
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if (event.GUIEvent.Caller == this)
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{
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MouseMarking = false;
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setTextMarkers(0,0);
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}
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}
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break;
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case EET_KEY_INPUT_EVENT:
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{
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#if (defined(__linux__) || defined(__FreeBSD__))
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// ################################################################
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// ValkaTR:
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// This part is the difference from the original intlGUIEditBox
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// It converts UTF-8 character into a UCS-2 (wchar_t)
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wchar_t wc = L'_';
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mbtowc( &wc, (char *) &event.KeyInput.Char, sizeof(event.KeyInput.Char) );
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//printf( "char: %lc (%u) \r\n", wc, wc );
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SEvent irrevent(event);
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irrevent.KeyInput.Char = wc;
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// ################################################################
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if (processKey(irrevent))
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return true;
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#else
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if (processKey(event))
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return true;
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#endif // defined(linux)
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break;
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}
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case EET_MOUSE_INPUT_EVENT:
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if (processMouse(event))
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return true;
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break;
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default:
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break;
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}
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}
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return IGUIElement::OnEvent(event);
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}
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bool intlGUIEditBox::processKey(const SEvent& event)
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{
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if (!event.KeyInput.PressedDown)
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return false;
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bool textChanged = false;
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s32 newMarkBegin = MarkBegin;
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s32 newMarkEnd = MarkEnd;
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// control shortcut handling
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if (event.KeyInput.Control)
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{
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// german backlash '\' entered with control + '?'
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if ( event.KeyInput.Char == '\\' )
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{
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inputChar(event.KeyInput.Char);
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return true;
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}
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switch(event.KeyInput.Key)
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{
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case KEY_KEY_A:
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// select all
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newMarkBegin = 0;
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newMarkEnd = Text.size();
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break;
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case KEY_KEY_C:
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// copy to clipboard
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if (!PasswordBox && Operator && MarkBegin != MarkEnd)
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{
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const s32 realmbgn = MarkBegin < MarkEnd ? MarkBegin : MarkEnd;
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const s32 realmend = MarkBegin < MarkEnd ? MarkEnd : MarkBegin;
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core::stringc s;
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s = Text.subString(realmbgn, realmend - realmbgn).c_str();
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Operator->copyToClipboard(s.c_str());
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}
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break;
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case KEY_KEY_X:
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// cut to the clipboard
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if (!PasswordBox && Operator && MarkBegin != MarkEnd)
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{
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const s32 realmbgn = MarkBegin < MarkEnd ? MarkBegin : MarkEnd;
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const s32 realmend = MarkBegin < MarkEnd ? MarkEnd : MarkBegin;
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// copy
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core::stringc sc;
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sc = Text.subString(realmbgn, realmend - realmbgn).c_str();
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Operator->copyToClipboard(sc.c_str());
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if (IsEnabled)
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{
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// delete
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core::stringw s;
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s = Text.subString(0, realmbgn);
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s.append( Text.subString(realmend, Text.size()-realmend) );
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Text = s;
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CursorPos = realmbgn;
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newMarkBegin = 0;
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newMarkEnd = 0;
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textChanged = true;
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}
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}
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break;
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case KEY_KEY_V:
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if ( !IsEnabled )
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break;
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// paste from the clipboard
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if (Operator)
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{
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const s32 realmbgn = MarkBegin < MarkEnd ? MarkBegin : MarkEnd;
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const s32 realmend = MarkBegin < MarkEnd ? MarkEnd : MarkBegin;
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// add new character
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const c8* p = Operator->getTextFromClipboard();
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if (p)
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{
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if (MarkBegin == MarkEnd)
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{
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// insert text
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core::stringw s = Text.subString(0, CursorPos);
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s.append(p);
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s.append( Text.subString(CursorPos, Text.size()-CursorPos) );
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if (!Max || s.size()<=Max) // thx to Fish FH for fix
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{
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Text = s;
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s = p;
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CursorPos += s.size();
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}
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}
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else
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{
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// replace text
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core::stringw s = Text.subString(0, realmbgn);
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s.append(p);
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s.append( Text.subString(realmend, Text.size()-realmend) );
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if (!Max || s.size()<=Max) // thx to Fish FH for fix
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{
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Text = s;
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s = p;
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CursorPos = realmbgn + s.size();
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}
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}
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}
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newMarkBegin = 0;
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newMarkEnd = 0;
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textChanged = true;
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}
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break;
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case KEY_HOME:
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// move/highlight to start of text
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if (event.KeyInput.Shift)
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{
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newMarkEnd = CursorPos;
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newMarkBegin = 0;
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CursorPos = 0;
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}
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else
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{
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CursorPos = 0;
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newMarkBegin = 0;
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newMarkEnd = 0;
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}
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break;
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case KEY_END:
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// move/highlight to end of text
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if (event.KeyInput.Shift)
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{
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newMarkBegin = CursorPos;
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newMarkEnd = Text.size();
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CursorPos = 0;
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}
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else
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{
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CursorPos = Text.size();
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newMarkBegin = 0;
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newMarkEnd = 0;
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}
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break;
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default:
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return false;
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}
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}
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// default keyboard handling
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else
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switch(event.KeyInput.Key)
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{
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case KEY_END:
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{
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s32 p = Text.size();
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if (WordWrap || MultiLine)
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{
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p = getLineFromPos(CursorPos);
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p = BrokenTextPositions[p] + (s32)BrokenText[p].size();
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if (p > 0 && (Text[p-1] == L'\r' || Text[p-1] == L'\n' ))
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p-=1;
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}
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if (event.KeyInput.Shift)
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{
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if (MarkBegin == MarkEnd)
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newMarkBegin = CursorPos;
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newMarkEnd = p;
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}
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else
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{
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newMarkBegin = 0;
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newMarkEnd = 0;
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}
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CursorPos = p;
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BlinkStartTime = porting::getTimeMs();
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}
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break;
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case KEY_HOME:
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{
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s32 p = 0;
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if (WordWrap || MultiLine)
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{
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p = getLineFromPos(CursorPos);
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p = BrokenTextPositions[p];
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}
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if (event.KeyInput.Shift)
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{
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if (MarkBegin == MarkEnd)
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newMarkBegin = CursorPos;
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newMarkEnd = p;
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}
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else
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{
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newMarkBegin = 0;
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newMarkEnd = 0;
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}
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CursorPos = p;
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BlinkStartTime = porting::getTimeMs();
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}
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break;
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case KEY_RETURN:
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if (MultiLine)
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{
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inputChar(L'\n');
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return true;
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}
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else
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{
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sendGuiEvent( EGET_EDITBOX_ENTER );
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}
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break;
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case KEY_LEFT:
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if (event.KeyInput.Shift)
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{
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if (CursorPos > 0)
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{
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if (MarkBegin == MarkEnd)
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newMarkBegin = CursorPos;
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newMarkEnd = CursorPos-1;
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}
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}
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else
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{
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newMarkBegin = 0;
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newMarkEnd = 0;
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}
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if (CursorPos > 0) CursorPos--;
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BlinkStartTime = porting::getTimeMs();
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break;
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case KEY_RIGHT:
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if (event.KeyInput.Shift)
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{
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if (Text.size() > (u32)CursorPos)
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{
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if (MarkBegin == MarkEnd)
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newMarkBegin = CursorPos;
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newMarkEnd = CursorPos+1;
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}
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}
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else
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{
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newMarkBegin = 0;
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newMarkEnd = 0;
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}
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if (Text.size() > (u32)CursorPos) CursorPos++;
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BlinkStartTime = porting::getTimeMs();
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break;
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case KEY_UP:
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if (MultiLine || (WordWrap && BrokenText.size() > 1) )
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{
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s32 lineNo = getLineFromPos(CursorPos);
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s32 mb = (MarkBegin == MarkEnd) ? CursorPos : (MarkBegin > MarkEnd ? MarkBegin : MarkEnd);
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if (lineNo > 0)
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{
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s32 cp = CursorPos - BrokenTextPositions[lineNo];
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if ((s32)BrokenText[lineNo-1].size() < cp)
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CursorPos = BrokenTextPositions[lineNo-1] + (s32)BrokenText[lineNo-1].size()-1;
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else
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CursorPos = BrokenTextPositions[lineNo-1] + cp;
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}
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if (event.KeyInput.Shift)
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{
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newMarkBegin = mb;
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newMarkEnd = CursorPos;
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}
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else
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{
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newMarkBegin = 0;
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newMarkEnd = 0;
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}
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}
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else
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{
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return false;
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}
|
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break;
|
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case KEY_DOWN:
|
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if (MultiLine || (WordWrap && BrokenText.size() > 1) )
|
|
{
|
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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] + 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 ( !this->IsEnabled )
|
|
break;
|
|
|
|
if (!Text.empty()) {
|
|
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 = porting::getTimeMs();
|
|
newMarkBegin = 0;
|
|
newMarkEnd = 0;
|
|
textChanged = true;
|
|
}
|
|
break;
|
|
case KEY_DELETE:
|
|
if ( !this->IsEnabled )
|
|
break;
|
|
|
|
if (!Text.empty()) {
|
|
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 = porting::getTimeMs();
|
|
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();
|
|
sendGuiEvent(EGET_EDITBOX_CHANGED);
|
|
}
|
|
|
|
calculateScrollPos();
|
|
|
|
return true;
|
|
}
|
|
|
|
|
|
//! draws the element and its children
|
|
void intlGUIEditBox::draw()
|
|
{
|
|
if (!IsVisible)
|
|
return;
|
|
|
|
const bool focus = Environment->hasFocus(this);
|
|
|
|
IGUISkin* skin = Environment->getSkin();
|
|
if (!skin)
|
|
return;
|
|
|
|
FrameRect = AbsoluteRect;
|
|
|
|
// draw the border
|
|
|
|
if (Border)
|
|
{
|
|
skin->draw3DSunkenPane(this, skin->getColor(EGDC_WINDOW),
|
|
false, true, FrameRect, &AbsoluteClippingRect);
|
|
|
|
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;
|
|
}
|
|
core::rect<s32> localClipRect = FrameRect;
|
|
localClipRect.clipAgainst(AbsoluteClippingRect);
|
|
|
|
// draw the text
|
|
|
|
IGUIFont* font = OverrideFont;
|
|
if (!OverrideFont)
|
|
font = skin->getFont();
|
|
|
|
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.empty()) {
|
|
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<s32> 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.empty())
|
|
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 (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 && (porting::getTimeMs() - 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 intlGUIEditBox::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 intlGUIEditBox::setAutoScroll(bool enable)
|
|
{
|
|
AutoScroll = enable;
|
|
}
|
|
|
|
|
|
//! Checks to see if automatic scrolling is enabled
|
|
//! \return true if automatic scrolling is enabled, false if not
|
|
bool intlGUIEditBox::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 intlGUIEditBox::getTextDimension()
|
|
{
|
|
core::rect<s32> 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 intlGUIEditBox::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 intlGUIEditBox::getMax() const
|
|
{
|
|
return Max;
|
|
}
|
|
|
|
|
|
bool intlGUIEditBox::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 = porting::getTimeMs();
|
|
MouseMarking = true;
|
|
CursorPos = getCursorPos(event.MouseInput.X, event.MouseInput.Y);
|
|
setTextMarkers(CursorPos, CursorPos );
|
|
calculateScrollPos();
|
|
return true;
|
|
}
|
|
else
|
|
{
|
|
if (!AbsoluteClippingRect.isPointInside(
|
|
core::position2d<s32>(event.MouseInput.X, event.MouseInput.Y))) {
|
|
return false;
|
|
}
|
|
|
|
|
|
// 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 intlGUIEditBox::getCursorPos(s32 x, s32 y)
|
|
{
|
|
IGUIFont* font = OverrideFont;
|
|
IGUISkin* skin = Environment->getSkin();
|
|
if (!OverrideFont)
|
|
font = skin->getFont();
|
|
|
|
const u32 lineCount = (WordWrap || MultiLine) ? BrokenText.size() : 1;
|
|
|
|
core::stringw *txtLine = NULL;
|
|
s32 startPos = 0;
|
|
u32 curr_line_idx = 0;
|
|
x += 3;
|
|
|
|
for (; curr_line_idx < lineCount; ++curr_line_idx) {
|
|
setTextRect(curr_line_idx);
|
|
if (curr_line_idx == 0 && y < CurrentTextRect.UpperLeftCorner.Y)
|
|
y = CurrentTextRect.UpperLeftCorner.Y;
|
|
if (curr_line_idx == 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[curr_line_idx] : &Text;
|
|
startPos = (WordWrap || MultiLine) ? BrokenTextPositions[curr_line_idx] : 0;
|
|
break;
|
|
}
|
|
}
|
|
|
|
if (x < CurrentTextRect.UpperLeftCorner.X)
|
|
x = CurrentTextRect.UpperLeftCorner.X;
|
|
else if (x > CurrentTextRect.LowerRightCorner.X)
|
|
x = CurrentTextRect.LowerRightCorner.X;
|
|
|
|
s32 idx = font->getCharacterFromPos(txtLine->c_str(), x - CurrentTextRect.UpperLeftCorner.X);
|
|
// Special handling for last line, if we are on limits, add 1 extra shift because idx
|
|
// will be the last char, not null char of the wstring
|
|
if (curr_line_idx == lineCount - 1 && x == CurrentTextRect.LowerRightCorner.X)
|
|
idx++;
|
|
|
|
return rangelim(idx + startPos, 0, S32_MAX);
|
|
}
|
|
|
|
|
|
//! Breaks the single text line.
|
|
void intlGUIEditBox::breakText()
|
|
{
|
|
IGUISkin* skin = Environment->getSkin();
|
|
|
|
if ((!WordWrap && !MultiLine) || !skin)
|
|
return;
|
|
|
|
BrokenText.clear(); // need to reallocate :/
|
|
BrokenTextPositions.set_used(0);
|
|
|
|
IGUIFont* font = OverrideFont;
|
|
if (!OverrideFont)
|
|
font = skin->getFont();
|
|
|
|
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<size; ++i)
|
|
{
|
|
c = Text[i];
|
|
bool lineBreak = false;
|
|
|
|
if (c == L'\r') // Mac or Windows breaks
|
|
{
|
|
lineBreak = true;
|
|
c = ' ';
|
|
if (Text[i+1] == L'\n') // Windows breaks
|
|
{
|
|
Text.erase(i+1);
|
|
--size;
|
|
}
|
|
}
|
|
else if (c == L'\n') // Unix breaks
|
|
{
|
|
lineBreak = true;
|
|
c = ' ';
|
|
}
|
|
|
|
// don't break if we're not a multi-line edit box
|
|
if (!MultiLine)
|
|
lineBreak = false;
|
|
|
|
if (c == L' ' || c == 0 || i == (size-1))
|
|
{
|
|
if (!word.empty()) {
|
|
// here comes the next whitespace, look if
|
|
// we can break the last word to the next line.
|
|
s32 whitelgth = font->getDimension(whitespace.c_str()).Width;
|
|
s32 worldlgth = font->getDimension(word.c_str()).Width;
|
|
|
|
if (WordWrap && length + worldlgth + whitelgth > elWidth)
|
|
{
|
|
// 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"";
|
|
}
|
|
|
|
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);
|
|
}
|
|
|
|
|
|
void intlGUIEditBox::setTextRect(s32 line)
|
|
{
|
|
core::dimension2du d;
|
|
|
|
IGUISkin* skin = Environment->getSkin();
|
|
if (!skin)
|
|
return;
|
|
|
|
IGUIFont* font = OverrideFont ? OverrideFont : skin->getFont();
|
|
|
|
if (!font)
|
|
return;
|
|
|
|
// 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 intlGUIEditBox::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 intlGUIEditBox::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 = porting::getTimeMs();
|
|
setTextMarkers(0, 0);
|
|
}
|
|
}
|
|
breakText();
|
|
sendGuiEvent(EGET_EDITBOX_CHANGED);
|
|
calculateScrollPos();
|
|
}
|
|
|
|
|
|
void intlGUIEditBox::calculateScrollPos()
|
|
{
|
|
if (!AutoScroll)
|
|
return;
|
|
|
|
// calculate horizontal scroll position
|
|
s32 cursLine = getLineFromPos(CursorPos);
|
|
setTextRect(cursLine);
|
|
|
|
// don't do horizontal scrolling when wordwrap is enabled.
|
|
if (!WordWrap)
|
|
{
|
|
// get cursor position
|
|
IGUISkin* skin = Environment->getSkin();
|
|
if (!skin)
|
|
return;
|
|
IGUIFont* font = OverrideFont ? OverrideFont : skin->getFont();
|
|
if (!font)
|
|
return;
|
|
|
|
core::stringw *txtLine = MultiLine ? &BrokenText[cursLine] : &Text;
|
|
s32 cPos = MultiLine ? CursorPos - BrokenTextPositions[cursLine] : CursorPos;
|
|
|
|
s32 cStart = CurrentTextRect.UpperLeftCorner.X + HScrollPos +
|
|
font->getDimension(txtLine->subString(0, cPos).c_str()).Width;
|
|
|
|
s32 cEnd = cStart + font->getDimension(L"_ ").Width;
|
|
|
|
if (FrameRect.LowerRightCorner.X < cEnd)
|
|
HScrollPos = cEnd - FrameRect.LowerRightCorner.X;
|
|
else if (FrameRect.UpperLeftCorner.X > cStart)
|
|
HScrollPos = cStart - FrameRect.UpperLeftCorner.X;
|
|
else
|
|
HScrollPos = 0;
|
|
|
|
// todo: adjust scrollbar
|
|
}
|
|
|
|
// vertical scroll position
|
|
if (FrameRect.LowerRightCorner.Y < CurrentTextRect.LowerRightCorner.Y + VScrollPos)
|
|
VScrollPos = CurrentTextRect.LowerRightCorner.Y - FrameRect.LowerRightCorner.Y + VScrollPos;
|
|
|
|
else if (FrameRect.UpperLeftCorner.Y > CurrentTextRect.UpperLeftCorner.Y + VScrollPos)
|
|
VScrollPos = CurrentTextRect.UpperLeftCorner.Y - FrameRect.UpperLeftCorner.Y + VScrollPos;
|
|
else
|
|
VScrollPos = 0;
|
|
|
|
// todo: adjust scrollbar
|
|
}
|
|
|
|
//! set text markers
|
|
void intlGUIEditBox::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 intlGUIEditBox::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 intlGUIEditBox::serializeAttributes(io::IAttributes* out, io::SAttributeReadWriteOptions* options=0) const
|
|
{
|
|
// IGUIEditBox::serializeAttributes(out,options);
|
|
|
|
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 intlGUIEditBox::deserializeAttributes(io::IAttributes* in, io::SAttributeReadWriteOptions* options=0)
|
|
{
|
|
IGUIEditBox::deserializeAttributes(in,options);
|
|
|
|
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.empty())
|
|
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_
|