mirror of https://github.com/minetest/irrlicht.git
1496 lines
38 KiB
C++
1496 lines
38 KiB
C++
// 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 "CGUIEditBox.h"
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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 "os.h"
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#include "Keycodes.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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CGUIEditBox::CGUIEditBox(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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OverwriteMode(false), MouseMarking(false),
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Border(border), Background(true), OverrideColorEnabled(false), MarkBegin(0), MarkEnd(0),
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OverrideColor(video::SColor(101, 255, 255, 255)), OverrideFont(0), LastBreakFont(0),
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Operator(0), BlinkStartTime(0), CursorBlinkTime(350), CursorChar(L"_"), CursorPos(0), HScrollPos(0), VScrollPos(0), Max(0),
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WordWrap(false), MultiLine(false), AutoScroll(true), PasswordBox(false),
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PasswordChar(L'*'), HAlign(EGUIA_UPPERLEFT), VAlign(EGUIA_CENTER),
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CurrentTextRect(0, 0, 1, 1), FrameRect(rectangle)
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{
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#ifdef _DEBUG
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setDebugName("CGUIEditBox");
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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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calculateFrameRect();
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breakText();
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calculateScrollPos();
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}
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//! destructor
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CGUIEditBox::~CGUIEditBox()
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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 CGUIEditBox::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 *CGUIEditBox::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 *CGUIEditBox::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 CGUIEditBox::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 CGUIEditBox::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 CGUIEditBox::setDrawBorder(bool border)
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{
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Border = border;
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}
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//! Checks if border drawing is enabled
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bool CGUIEditBox::isDrawBorderEnabled() const
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{
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return Border;
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}
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//! Sets whether to draw the background
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void CGUIEditBox::setDrawBackground(bool draw)
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{
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Background = draw;
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}
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//! Checks if background drawing is enabled
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bool CGUIEditBox::isDrawBackgroundEnabled() const
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{
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return Background;
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}
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//! Sets if the text should use the override color or the color in the gui skin.
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void CGUIEditBox::enableOverrideColor(bool enable)
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{
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OverrideColorEnabled = enable;
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}
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bool CGUIEditBox::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
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void CGUIEditBox::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 CGUIEditBox::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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calculateFrameRect();
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breakText();
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calculateScrollPos();
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}
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}
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//! Checks if word wrap is enabled
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bool CGUIEditBox::isWordWrapEnabled() const
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{
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return WordWrap;
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}
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//! Enables or disables newlines.
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void CGUIEditBox::setMultiLine(bool enable)
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{
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MultiLine = enable;
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breakText();
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}
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//! Checks if multi line editing is enabled
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bool CGUIEditBox::isMultiLineEnabled() const
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{
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return MultiLine;
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}
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void CGUIEditBox::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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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 CGUIEditBox::isPasswordBox() const
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{
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return PasswordBox;
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}
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//! Sets text justification
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void CGUIEditBox::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 CGUIEditBox::OnEvent(const SEvent &event)
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{
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if (isEnabled()) {
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switch (event.EventType) {
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case EET_GUI_EVENT:
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if (event.GUIEvent.EventType == EGET_ELEMENT_FOCUS_LOST) {
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if (event.GUIEvent.Caller == this) {
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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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if (processKey(event))
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return true;
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break;
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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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case EET_STRING_INPUT_EVENT:
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inputString(*event.StringInput.Str);
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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 CGUIEditBox::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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// german backlash '\' entered with control + '?'
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if (event.KeyInput.Char == '\\') {
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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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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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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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wStringToUTF8(s, Text.subString(realmbgn, realmend - realmbgn));
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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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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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wStringToUTF8(sc, Text.subString(realmbgn, realmend - realmbgn));
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Operator->copyToClipboard(sc.c_str());
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if (isEnabled()) {
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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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const s32 realmbgn = MarkBegin < MarkEnd ? MarkBegin : MarkEnd;
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const s32 realmend = MarkBegin < MarkEnd ? MarkEnd : MarkBegin;
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// add the string
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const c8 *p = Operator->getTextFromClipboard();
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if (p) {
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irr::core::stringw widep;
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core::utf8ToWString(widep, p);
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if (MarkBegin == MarkEnd) {
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// insert text
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core::stringw s = Text.subString(0, CursorPos);
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s.append(widep);
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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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Text = s;
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s = widep;
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CursorPos += s.size();
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}
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} else {
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// replace text
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core::stringw s = Text.subString(0, realmbgn);
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s.append(widep);
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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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Text = s;
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s = widep;
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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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newMarkEnd = CursorPos;
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newMarkBegin = 0;
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CursorPos = 0;
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} else {
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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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newMarkBegin = CursorPos;
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newMarkEnd = Text.size();
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CursorPos = 0;
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} else {
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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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// Some special keys - but only handle them if KeyInput.Char is null as on some systems (X11) they might have same key-code as ansi-keys otherwise
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else if (event.KeyInput.Char == 0) {
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switch (event.KeyInput.Key) {
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case KEY_END: {
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s32 p = Text.size();
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if (WordWrap || MultiLine) {
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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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if (MarkBegin == MarkEnd)
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newMarkBegin = CursorPos;
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newMarkEnd = p;
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} else {
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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 = os::Timer::getTime();
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} break;
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case KEY_HOME: {
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s32 p = 0;
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if (WordWrap || MultiLine) {
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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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if (MarkBegin == MarkEnd)
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newMarkBegin = CursorPos;
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newMarkEnd = p;
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} else {
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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 = os::Timer::getTime();
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} break;
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case KEY_LEFT:
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if (event.KeyInput.Shift) {
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if (CursorPos > 0) {
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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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} else {
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newMarkBegin = 0;
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newMarkEnd = 0;
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}
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if (CursorPos > 0)
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CursorPos--;
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BlinkStartTime = os::Timer::getTime();
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break;
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case KEY_RIGHT:
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if (event.KeyInput.Shift) {
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if (Text.size() > (u32)CursorPos) {
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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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} else {
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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)
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CursorPos++;
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BlinkStartTime = os::Timer::getTime();
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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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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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s32 cp = CursorPos - BrokenTextPositions[lineNo];
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if ((s32)BrokenText[lineNo - 1].size() < cp)
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CursorPos = BrokenTextPositions[lineNo - 1] + core::max_((u32)1, 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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newMarkBegin = mb;
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newMarkEnd = CursorPos;
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} else {
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newMarkBegin = 0;
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newMarkEnd = 0;
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}
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} else {
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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);
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s32 mb = (MarkBegin == MarkEnd) ? CursorPos : (MarkBegin < MarkEnd ? MarkBegin : MarkEnd);
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if (lineNo < (s32)BrokenText.size() - 1) {
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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] + core::max_((u32)1, 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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newMarkBegin = mb;
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newMarkEnd = CursorPos;
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} else {
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newMarkBegin = 0;
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newMarkEnd = 0;
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}
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} else {
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return false;
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}
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break;
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case KEY_INSERT:
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if (!isEnabled())
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break;
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OverwriteMode = !OverwriteMode;
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break;
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case KEY_DELETE:
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if (!isEnabled())
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break;
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if (keyDelete()) {
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BlinkStartTime = os::Timer::getTime();
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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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default:
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return false;
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}
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} else {
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// default keyboard handling
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switch (event.KeyInput.Key) {
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case KEY_RETURN:
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if (MultiLine) {
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inputChar(L'\n');
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} else {
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calculateScrollPos();
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sendGuiEvent(EGET_EDITBOX_ENTER);
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}
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return true;
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case KEY_BACK:
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if (!isEnabled())
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break;
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if (Text.size()) {
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core::stringw s;
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if (MarkBegin != MarkEnd) {
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// delete marked text
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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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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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} else {
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// delete text behind cursor
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if (CursorPos > 0)
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s = Text.subString(0, CursorPos - 1);
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else
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s = L"";
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s.append(Text.subString(CursorPos, Text.size() - CursorPos));
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Text = s;
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--CursorPos;
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}
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if (CursorPos < 0)
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CursorPos = 0;
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BlinkStartTime = os::Timer::getTime();
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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_DELETE:
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// At least on X11 we get a char with 127 when the delete key is pressed.
|
|
// We get no char when the delete key on numkeys is pressed with numlock off (handled in the other case calling keyDelete as Char is then 0).
|
|
// We get a keykode != 127 when delete key on numlock is pressed with numlock on.
|
|
if (event.KeyInput.Char == 127) {
|
|
if (!isEnabled())
|
|
break;
|
|
|
|
if (keyDelete()) {
|
|
BlinkStartTime = os::Timer::getTime();
|
|
newMarkBegin = 0;
|
|
newMarkEnd = 0;
|
|
textChanged = true;
|
|
}
|
|
break;
|
|
} else {
|
|
inputChar(event.KeyInput.Char);
|
|
return true;
|
|
}
|
|
|
|
case KEY_ESCAPE:
|
|
case KEY_TAB:
|
|
case KEY_SHIFT:
|
|
case KEY_F1:
|
|
case KEY_F2:
|
|
case KEY_F3:
|
|
case KEY_F4:
|
|
case KEY_F5:
|
|
case KEY_F6:
|
|
case KEY_F7:
|
|
case KEY_F8:
|
|
case KEY_F9:
|
|
case KEY_F10:
|
|
case KEY_F11:
|
|
case KEY_F12:
|
|
case KEY_F13:
|
|
case KEY_F14:
|
|
case KEY_F15:
|
|
case KEY_F16:
|
|
case KEY_F17:
|
|
case KEY_F18:
|
|
case KEY_F19:
|
|
case KEY_F20:
|
|
case KEY_F21:
|
|
case KEY_F22:
|
|
case KEY_F23:
|
|
case KEY_F24:
|
|
// ignore these keys
|
|
return false;
|
|
|
|
default:
|
|
inputChar(event.KeyInput.Char);
|
|
return true;
|
|
}
|
|
}
|
|
|
|
// Set new text markers
|
|
setTextMarkers(newMarkBegin, newMarkEnd);
|
|
|
|
// break the text if it has changed
|
|
if (textChanged) {
|
|
breakText();
|
|
calculateScrollPos();
|
|
sendGuiEvent(EGET_EDITBOX_CHANGED);
|
|
} else {
|
|
calculateScrollPos();
|
|
}
|
|
|
|
return true;
|
|
}
|
|
|
|
bool CGUIEditBox::keyDelete()
|
|
{
|
|
if (Text.size() != 0) {
|
|
core::stringw s;
|
|
|
|
if (MarkBegin != MarkEnd) {
|
|
// delete marked text
|
|
const s32 realmbgn = MarkBegin < MarkEnd ? MarkBegin : MarkEnd;
|
|
const s32 realmend = MarkBegin < MarkEnd ? MarkEnd : MarkBegin;
|
|
|
|
s = Text.subString(0, realmbgn);
|
|
s.append(Text.subString(realmend, Text.size() - realmend));
|
|
Text = s;
|
|
|
|
CursorPos = realmbgn;
|
|
} else {
|
|
// delete text before cursor
|
|
s = Text.subString(0, CursorPos);
|
|
s.append(Text.subString(CursorPos + 1, Text.size() - CursorPos - 1));
|
|
Text = s;
|
|
}
|
|
|
|
if (CursorPos > (s32)Text.size())
|
|
CursorPos = (s32)Text.size();
|
|
|
|
return true;
|
|
}
|
|
|
|
return false;
|
|
}
|
|
|
|
//! draws the element and its children
|
|
void CGUIEditBox::draw()
|
|
{
|
|
if (!IsVisible)
|
|
return;
|
|
|
|
const bool focus = Environment->hasFocus(this);
|
|
|
|
IGUISkin *skin = Environment->getSkin();
|
|
if (!skin)
|
|
return;
|
|
|
|
EGUI_DEFAULT_COLOR bgCol = EGDC_GRAY_EDITABLE;
|
|
if (isEnabled())
|
|
bgCol = focus ? EGDC_FOCUSED_EDITABLE : EGDC_EDITABLE;
|
|
|
|
if (!Border && Background) {
|
|
skin->draw2DRectangle(this, skin->getColor(bgCol), AbsoluteRect, &AbsoluteClippingRect);
|
|
}
|
|
|
|
if (Border) {
|
|
// draw the border
|
|
skin->draw3DSunkenPane(this, skin->getColor(bgCol), false, Background, AbsoluteRect, &AbsoluteClippingRect);
|
|
|
|
calculateFrameRect();
|
|
}
|
|
|
|
core::rect<s32> localClipRect = FrameRect;
|
|
localClipRect.clipAgainst(AbsoluteClippingRect);
|
|
|
|
// draw the text
|
|
|
|
IGUIFont *font = getActiveFont();
|
|
|
|
s32 cursorLine = 0;
|
|
s32 charcursorpos = 0;
|
|
|
|
if (font) {
|
|
if (LastBreakFont != font) {
|
|
breakText();
|
|
}
|
|
|
|
// calculate cursor pos
|
|
|
|
core::stringw *txtLine = &Text;
|
|
s32 startPos = 0;
|
|
|
|
core::stringw s, s2;
|
|
|
|
// get mark position
|
|
const bool ml = (!PasswordBox && (WordWrap || MultiLine));
|
|
const s32 realmbgn = MarkBegin < MarkEnd ? MarkBegin : MarkEnd;
|
|
const s32 realmend = MarkBegin < MarkEnd ? MarkEnd : MarkBegin;
|
|
const s32 hlineStart = ml ? getLineFromPos(realmbgn) : 0;
|
|
const s32 hlineCount = ml ? getLineFromPos(realmend) - hlineStart + 1 : 1;
|
|
const s32 lineCount = ml ? BrokenText.size() : 1;
|
|
|
|
// Save the override color information.
|
|
// Then, alter it if the edit box is disabled.
|
|
const bool prevOver = OverrideColorEnabled;
|
|
const video::SColor prevColor = OverrideColor;
|
|
|
|
if (Text.size()) {
|
|
if (!isEnabled() && !OverrideColorEnabled) {
|
|
OverrideColorEnabled = true;
|
|
OverrideColor = skin->getColor(EGDC_GRAY_TEXT);
|
|
}
|
|
|
|
for (s32 i = 0; i < lineCount; ++i) {
|
|
setTextRect(i);
|
|
|
|
// clipping test - don't draw anything outside the visible area
|
|
core::rect<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.size())
|
|
font->draw(s.c_str(), CurrentTextRect,
|
|
OverrideColorEnabled ? OverrideColor : skin->getColor(EGDC_HIGH_LIGHT_TEXT),
|
|
false, true, &localClipRect);
|
|
}
|
|
}
|
|
|
|
// Return the override color information to its previous settings.
|
|
OverrideColorEnabled = prevOver;
|
|
OverrideColor = prevColor;
|
|
}
|
|
|
|
// draw cursor
|
|
if (isEnabled()) {
|
|
if (WordWrap || MultiLine) {
|
|
cursorLine = getLineFromPos(CursorPos);
|
|
txtLine = &BrokenText[cursorLine];
|
|
startPos = BrokenTextPositions[cursorLine];
|
|
}
|
|
s = txtLine->subString(0, CursorPos - startPos);
|
|
charcursorpos = font->getDimension(s.c_str()).Width +
|
|
font->getKerningWidth(CursorChar.c_str(), CursorPos - startPos > 0 ? &((*txtLine)[CursorPos - startPos - 1]) : 0);
|
|
|
|
if (focus && (CursorBlinkTime == 0 || (os::Timer::getTime() - BlinkStartTime) % (2 * CursorBlinkTime) < CursorBlinkTime)) {
|
|
setTextRect(cursorLine);
|
|
CurrentTextRect.UpperLeftCorner.X += charcursorpos;
|
|
|
|
if (OverwriteMode) {
|
|
core::stringw character = Text.subString(CursorPos, 1);
|
|
s32 mend = font->getDimension(character.c_str()).Width;
|
|
// Make sure the cursor box has at least some width to it
|
|
if (mend <= 0)
|
|
mend = font->getDimension(CursorChar.c_str()).Width;
|
|
CurrentTextRect.LowerRightCorner.X = CurrentTextRect.UpperLeftCorner.X + mend;
|
|
skin->draw2DRectangle(this, skin->getColor(EGDC_HIGH_LIGHT), CurrentTextRect, &localClipRect);
|
|
font->draw(character.c_str(), CurrentTextRect,
|
|
OverrideColorEnabled ? OverrideColor : skin->getColor(EGDC_HIGH_LIGHT_TEXT),
|
|
false, true, &localClipRect);
|
|
} else {
|
|
font->draw(CursorChar, CurrentTextRect,
|
|
OverrideColorEnabled ? OverrideColor : skin->getColor(EGDC_BUTTON_TEXT),
|
|
false, true, &localClipRect);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
// draw children
|
|
IGUIElement::draw();
|
|
}
|
|
|
|
//! Sets the new caption of this element.
|
|
void CGUIEditBox::setText(const wchar_t *text)
|
|
{
|
|
Text = text;
|
|
if (u32(CursorPos) > Text.size())
|
|
CursorPos = Text.size();
|
|
HScrollPos = 0;
|
|
breakText();
|
|
}
|
|
|
|
//! Enables or disables automatic scrolling with cursor position
|
|
//! \param enable: If set to true, the text will move around with the cursor position
|
|
void CGUIEditBox::setAutoScroll(bool enable)
|
|
{
|
|
AutoScroll = enable;
|
|
}
|
|
|
|
//! Checks to see if automatic scrolling is enabled
|
|
//! \return true if automatic scrolling is enabled, false if not
|
|
bool CGUIEditBox::isAutoScrollEnabled() const
|
|
{
|
|
return AutoScroll;
|
|
}
|
|
|
|
//! Gets the area of the text in the edit box
|
|
//! \return Returns the size in pixels of the text
|
|
core::dimension2du CGUIEditBox::getTextDimension()
|
|
{
|
|
core::rect<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 CGUIEditBox::setMax(u32 max)
|
|
{
|
|
Max = max;
|
|
|
|
if (Text.size() > Max && Max != 0)
|
|
Text = Text.subString(0, Max);
|
|
}
|
|
|
|
//! Returns maximum amount of characters, previously set by setMax();
|
|
u32 CGUIEditBox::getMax() const
|
|
{
|
|
return Max;
|
|
}
|
|
|
|
//! Set the character used for the cursor.
|
|
/** By default it's "_" */
|
|
void CGUIEditBox::setCursorChar(const wchar_t cursorChar)
|
|
{
|
|
CursorChar[0] = cursorChar;
|
|
}
|
|
|
|
//! Get the character used for the cursor.
|
|
wchar_t CGUIEditBox::getCursorChar() const
|
|
{
|
|
return CursorChar[0];
|
|
}
|
|
|
|
//! Set the blinktime for the cursor. 2x blinktime is one full cycle.
|
|
void CGUIEditBox::setCursorBlinkTime(irr::u32 timeMs)
|
|
{
|
|
CursorBlinkTime = timeMs;
|
|
}
|
|
|
|
//! Get the cursor blinktime
|
|
irr::u32 CGUIEditBox::getCursorBlinkTime() const
|
|
{
|
|
return CursorBlinkTime;
|
|
}
|
|
|
|
bool CGUIEditBox::processMouse(const SEvent &event)
|
|
{
|
|
switch (event.MouseInput.Event) {
|
|
case irr::EMIE_LMOUSE_LEFT_UP:
|
|
if (Environment->hasFocus(this)) {
|
|
CursorPos = getCursorPos(event.MouseInput.X, event.MouseInput.Y);
|
|
if (MouseMarking) {
|
|
setTextMarkers(MarkBegin, CursorPos);
|
|
}
|
|
MouseMarking = false;
|
|
calculateScrollPos();
|
|
return true;
|
|
}
|
|
break;
|
|
case irr::EMIE_MOUSE_MOVED: {
|
|
if (MouseMarking) {
|
|
CursorPos = getCursorPos(event.MouseInput.X, event.MouseInput.Y);
|
|
setTextMarkers(MarkBegin, CursorPos);
|
|
calculateScrollPos();
|
|
return true;
|
|
}
|
|
} break;
|
|
case EMIE_LMOUSE_PRESSED_DOWN:
|
|
if (!Environment->hasFocus(this)) { // can happen when events are manually send to the element
|
|
BlinkStartTime = os::Timer::getTime();
|
|
MouseMarking = true;
|
|
CursorPos = getCursorPos(event.MouseInput.X, event.MouseInput.Y);
|
|
setTextMarkers(CursorPos, CursorPos);
|
|
calculateScrollPos();
|
|
return true;
|
|
} else {
|
|
if (!AbsoluteClippingRect.isPointInside(
|
|
core::position2d<s32>(event.MouseInput.X, event.MouseInput.Y))) {
|
|
return false;
|
|
} else {
|
|
// move cursor
|
|
CursorPos = getCursorPos(event.MouseInput.X, event.MouseInput.Y);
|
|
|
|
s32 newMarkBegin = MarkBegin;
|
|
if (!MouseMarking)
|
|
newMarkBegin = CursorPos;
|
|
|
|
MouseMarking = true;
|
|
setTextMarkers(newMarkBegin, CursorPos);
|
|
calculateScrollPos();
|
|
return true;
|
|
}
|
|
}
|
|
case EMIE_MMOUSE_PRESSED_DOWN: {
|
|
if (!AbsoluteClippingRect.isPointInside(core::position2d<s32>(
|
|
event.MouseInput.X, event.MouseInput.Y)))
|
|
return false;
|
|
|
|
if (!Environment->hasFocus(this)) {
|
|
BlinkStartTime = os::Timer::getTime();
|
|
}
|
|
|
|
// move cursor and disable marking
|
|
CursorPos = getCursorPos(event.MouseInput.X, event.MouseInput.Y);
|
|
MouseMarking = false;
|
|
setTextMarkers(CursorPos, CursorPos);
|
|
|
|
// paste from the primary selection
|
|
inputString([&] {
|
|
irr::core::stringw inserted_text;
|
|
if (!Operator)
|
|
return inserted_text;
|
|
const c8 *inserted_text_utf8 = Operator->getTextFromPrimarySelection();
|
|
if (!inserted_text_utf8)
|
|
return inserted_text;
|
|
core::utf8ToWString(inserted_text, inserted_text_utf8);
|
|
return inserted_text;
|
|
}());
|
|
|
|
return true;
|
|
}
|
|
default:
|
|
break;
|
|
}
|
|
|
|
return false;
|
|
}
|
|
|
|
s32 CGUIEditBox::getCursorPos(s32 x, s32 y)
|
|
{
|
|
IGUIFont *font = getActiveFont();
|
|
|
|
const u32 lineCount = (WordWrap || MultiLine) ? BrokenText.size() : 1;
|
|
|
|
core::stringw *txtLine = 0;
|
|
s32 startPos = 0;
|
|
x += 3;
|
|
|
|
for (u32 i = 0; i < lineCount; ++i) {
|
|
setTextRect(i);
|
|
if (i == 0 && y < CurrentTextRect.UpperLeftCorner.Y)
|
|
y = CurrentTextRect.UpperLeftCorner.Y;
|
|
if (i == lineCount - 1 && y > CurrentTextRect.LowerRightCorner.Y)
|
|
y = CurrentTextRect.LowerRightCorner.Y;
|
|
|
|
// is it inside this region?
|
|
if (y >= CurrentTextRect.UpperLeftCorner.Y && y <= CurrentTextRect.LowerRightCorner.Y) {
|
|
// we've found the clicked line
|
|
txtLine = (WordWrap || MultiLine) ? &BrokenText[i] : &Text;
|
|
startPos = (WordWrap || MultiLine) ? BrokenTextPositions[i] : 0;
|
|
break;
|
|
}
|
|
}
|
|
|
|
if (x < CurrentTextRect.UpperLeftCorner.X)
|
|
x = CurrentTextRect.UpperLeftCorner.X;
|
|
|
|
if (!txtLine)
|
|
return 0;
|
|
|
|
s32 idx = font->getCharacterFromPos(txtLine->c_str(), x - CurrentTextRect.UpperLeftCorner.X);
|
|
|
|
// click was on or left of the line
|
|
if (idx != -1)
|
|
return idx + startPos;
|
|
|
|
// click was off the right edge of the line, go to end.
|
|
return txtLine->size() + startPos;
|
|
}
|
|
|
|
//! Breaks the single text line.
|
|
void CGUIEditBox::breakText()
|
|
{
|
|
if ((!WordWrap && !MultiLine))
|
|
return;
|
|
|
|
BrokenText.clear(); // need to reallocate :/
|
|
BrokenTextPositions.set_used(0);
|
|
|
|
IGUIFont *font = getActiveFont();
|
|
if (!font)
|
|
return;
|
|
|
|
LastBreakFont = font;
|
|
|
|
core::stringw line;
|
|
core::stringw word;
|
|
core::stringw whitespace;
|
|
s32 lastLineStart = 0;
|
|
s32 size = Text.size();
|
|
s32 length = 0;
|
|
s32 elWidth = RelativeRect.getWidth() - 6;
|
|
wchar_t c;
|
|
|
|
for (s32 i = 0; i < size; ++i) {
|
|
c = Text[i];
|
|
bool lineBreak = false;
|
|
|
|
if (c == L'\r') { // Mac or Windows breaks
|
|
lineBreak = true;
|
|
c = 0;
|
|
if (Text[i + 1] == L'\n') { // Windows breaks
|
|
// TODO: I (Michael) think that we shouldn't change the text given by the user for whatever reason.
|
|
// Instead rework the cursor positioning to be able to handle this (but not in stable release
|
|
// branch as users might already expect this behavior).
|
|
Text.erase(i + 1);
|
|
--size;
|
|
if (CursorPos > i)
|
|
--CursorPos;
|
|
}
|
|
} else if (c == L'\n') { // Unix breaks
|
|
lineBreak = true;
|
|
c = 0;
|
|
}
|
|
|
|
// don't break if we're not a multi-line edit box
|
|
if (!MultiLine)
|
|
lineBreak = false;
|
|
|
|
if (c == L' ' || c == 0 || i == (size - 1)) {
|
|
// here comes the next whitespace, look if
|
|
// we can break the last word to the next line
|
|
// We also break whitespace, otherwise cursor would vanish beside the right border.
|
|
s32 whitelgth = font->getDimension(whitespace.c_str()).Width;
|
|
s32 worldlgth = font->getDimension(word.c_str()).Width;
|
|
|
|
if (WordWrap && length + worldlgth + whitelgth > elWidth && line.size() > 0) {
|
|
// break to next line
|
|
length = worldlgth;
|
|
BrokenText.push_back(line);
|
|
BrokenTextPositions.push_back(lastLineStart);
|
|
lastLineStart = i - (s32)word.size();
|
|
line = word;
|
|
} else {
|
|
// add word to line
|
|
line += whitespace;
|
|
line += word;
|
|
length += whitelgth + worldlgth;
|
|
}
|
|
|
|
word = L"";
|
|
whitespace = L"";
|
|
|
|
if (c)
|
|
whitespace += c;
|
|
|
|
// compute line break
|
|
if (lineBreak) {
|
|
line += whitespace;
|
|
line += word;
|
|
BrokenText.push_back(line);
|
|
BrokenTextPositions.push_back(lastLineStart);
|
|
lastLineStart = i + 1;
|
|
line = L"";
|
|
word = L"";
|
|
whitespace = L"";
|
|
length = 0;
|
|
}
|
|
} else {
|
|
// yippee this is a word..
|
|
word += c;
|
|
}
|
|
}
|
|
|
|
line += whitespace;
|
|
line += word;
|
|
BrokenText.push_back(line);
|
|
BrokenTextPositions.push_back(lastLineStart);
|
|
}
|
|
|
|
// TODO: that function does interpret VAlign according to line-index (indexed line is placed on top-center-bottom)
|
|
// but HAlign according to line-width (pixels) and not by row.
|
|
// Intuitively I suppose HAlign handling is better as VScrollPos should handle the line-scrolling.
|
|
// But please no one change this without also rewriting (and this time fucking testing!!!) autoscrolling (I noticed this when fixing the old autoscrolling).
|
|
void CGUIEditBox::setTextRect(s32 line)
|
|
{
|
|
if (line < 0)
|
|
return;
|
|
|
|
IGUIFont *font = getActiveFont();
|
|
if (!font)
|
|
return;
|
|
|
|
core::dimension2du d;
|
|
|
|
// get text dimension
|
|
const u32 lineCount = (WordWrap || MultiLine) ? BrokenText.size() : 1;
|
|
if (WordWrap || MultiLine) {
|
|
d = font->getDimension(BrokenText[line].c_str());
|
|
} else {
|
|
d = font->getDimension(Text.c_str());
|
|
d.Height = AbsoluteRect.getHeight();
|
|
}
|
|
d.Height += font->getKerningHeight();
|
|
|
|
// justification
|
|
switch (HAlign) {
|
|
case EGUIA_CENTER:
|
|
// align to h centre
|
|
CurrentTextRect.UpperLeftCorner.X = (FrameRect.getWidth() / 2) - (d.Width / 2);
|
|
CurrentTextRect.LowerRightCorner.X = (FrameRect.getWidth() / 2) + (d.Width / 2);
|
|
break;
|
|
case EGUIA_LOWERRIGHT:
|
|
// align to right edge
|
|
CurrentTextRect.UpperLeftCorner.X = FrameRect.getWidth() - d.Width;
|
|
CurrentTextRect.LowerRightCorner.X = FrameRect.getWidth();
|
|
break;
|
|
default:
|
|
// align to left edge
|
|
CurrentTextRect.UpperLeftCorner.X = 0;
|
|
CurrentTextRect.LowerRightCorner.X = d.Width;
|
|
}
|
|
|
|
switch (VAlign) {
|
|
case EGUIA_CENTER:
|
|
// align to v centre
|
|
CurrentTextRect.UpperLeftCorner.Y =
|
|
(FrameRect.getHeight() / 2) - (lineCount * d.Height) / 2 + d.Height * line;
|
|
break;
|
|
case EGUIA_LOWERRIGHT:
|
|
// align to bottom edge
|
|
CurrentTextRect.UpperLeftCorner.Y =
|
|
FrameRect.getHeight() - lineCount * d.Height + d.Height * line;
|
|
break;
|
|
default:
|
|
// align to top edge
|
|
CurrentTextRect.UpperLeftCorner.Y = d.Height * line;
|
|
break;
|
|
}
|
|
|
|
CurrentTextRect.UpperLeftCorner.X -= HScrollPos;
|
|
CurrentTextRect.LowerRightCorner.X -= HScrollPos;
|
|
CurrentTextRect.UpperLeftCorner.Y -= VScrollPos;
|
|
CurrentTextRect.LowerRightCorner.Y = CurrentTextRect.UpperLeftCorner.Y + d.Height;
|
|
|
|
CurrentTextRect += FrameRect.UpperLeftCorner;
|
|
}
|
|
|
|
s32 CGUIEditBox::getLineFromPos(s32 pos)
|
|
{
|
|
if (!WordWrap && !MultiLine)
|
|
return 0;
|
|
|
|
s32 i = 0;
|
|
while (i < (s32)BrokenTextPositions.size()) {
|
|
if (BrokenTextPositions[i] > pos)
|
|
return i - 1;
|
|
++i;
|
|
}
|
|
return (s32)BrokenTextPositions.size() - 1;
|
|
}
|
|
|
|
void CGUIEditBox::inputChar(wchar_t c)
|
|
{
|
|
if (c == 0)
|
|
return;
|
|
core::stringw s(&c, 1);
|
|
inputString(s);
|
|
}
|
|
|
|
void CGUIEditBox::inputString(const core::stringw &str)
|
|
{
|
|
if (!isEnabled())
|
|
return;
|
|
|
|
core::stringw s;
|
|
u32 len = str.size();
|
|
|
|
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(str);
|
|
s.append(Text.subString(realmend, Text.size() - realmend));
|
|
Text = s;
|
|
CursorPos = realmbgn + len;
|
|
} else if (OverwriteMode) {
|
|
// check to see if we are at the end of the text
|
|
if ((u32)CursorPos + len < Text.size()) {
|
|
bool isEOL = false;
|
|
s32 EOLPos;
|
|
for (u32 i = CursorPos; i < CursorPos + len && i < Max; i++) {
|
|
if (Text[i] == L'\n' || Text[i] == L'\r') {
|
|
isEOL = true;
|
|
EOLPos = i;
|
|
break;
|
|
}
|
|
}
|
|
if (!isEOL || Text.size() + len <= Max || Max == 0) {
|
|
s = Text.subString(0, CursorPos);
|
|
s.append(str);
|
|
if (isEOL) {
|
|
// just keep appending to the current line
|
|
// This follows the behavior of other gui libraries behaviors
|
|
s.append(Text.subString(EOLPos, Text.size() - EOLPos));
|
|
} else {
|
|
// replace the next character
|
|
s.append(Text.subString(CursorPos + len, Text.size() - CursorPos - len));
|
|
}
|
|
Text = s;
|
|
CursorPos += len;
|
|
}
|
|
} else if (Text.size() + len <= Max || Max == 0) {
|
|
// add new character because we are at the end of the string
|
|
s = Text.subString(0, CursorPos);
|
|
s.append(str);
|
|
s.append(Text.subString(CursorPos + len, Text.size() - CursorPos - len));
|
|
Text = s;
|
|
CursorPos += len;
|
|
}
|
|
} else if (Text.size() + len <= Max || Max == 0) {
|
|
// add new character
|
|
s = Text.subString(0, CursorPos);
|
|
s.append(str);
|
|
s.append(Text.subString(CursorPos, Text.size() - CursorPos));
|
|
Text = s;
|
|
CursorPos += len;
|
|
}
|
|
|
|
BlinkStartTime = os::Timer::getTime();
|
|
setTextMarkers(0, 0);
|
|
|
|
breakText();
|
|
calculateScrollPos();
|
|
sendGuiEvent(EGET_EDITBOX_CHANGED);
|
|
}
|
|
|
|
// calculate autoscroll
|
|
void CGUIEditBox::calculateScrollPos()
|
|
{
|
|
if (!AutoScroll)
|
|
return;
|
|
|
|
IGUIFont *font = getActiveFont();
|
|
if (!font)
|
|
return;
|
|
|
|
s32 cursLine = getLineFromPos(CursorPos);
|
|
if (cursLine < 0)
|
|
return;
|
|
setTextRect(cursLine);
|
|
const bool hasBrokenText = MultiLine || WordWrap;
|
|
|
|
// Check horizonal scrolling
|
|
// NOTE: Calculations different to vertical scrolling because setTextRect interprets VAlign relative to line but HAlign not relative to row
|
|
{
|
|
// get cursor position
|
|
// get cursor area
|
|
irr::u32 cursorWidth = font->getDimension(CursorChar.c_str()).Width;
|
|
core::stringw *txtLine = hasBrokenText ? &BrokenText[cursLine] : &Text;
|
|
s32 cPos = hasBrokenText ? CursorPos - BrokenTextPositions[cursLine] : CursorPos; // column
|
|
s32 cStart = font->getDimension(txtLine->subString(0, cPos).c_str()).Width; // pixels from text-start
|
|
s32 cEnd = cStart + cursorWidth;
|
|
s32 txtWidth = font->getDimension(txtLine->c_str()).Width;
|
|
|
|
if (txtWidth < FrameRect.getWidth()) {
|
|
// TODO: Needs a clean left and right gap removal depending on HAlign, similar to vertical scrolling tests for top/bottom.
|
|
// This check just fixes the case where it was most noticable (text smaller than clipping area).
|
|
|
|
HScrollPos = 0;
|
|
setTextRect(cursLine);
|
|
}
|
|
|
|
if (CurrentTextRect.UpperLeftCorner.X + cStart < FrameRect.UpperLeftCorner.X) {
|
|
// cursor to the left of the clipping area
|
|
HScrollPos -= FrameRect.UpperLeftCorner.X - (CurrentTextRect.UpperLeftCorner.X + cStart);
|
|
setTextRect(cursLine);
|
|
|
|
// TODO: should show more characters to the left when we're scrolling left
|
|
// and the cursor reaches the border.
|
|
} else if (CurrentTextRect.UpperLeftCorner.X + cEnd > FrameRect.LowerRightCorner.X) {
|
|
// cursor to the right of the clipping area
|
|
HScrollPos += (CurrentTextRect.UpperLeftCorner.X + cEnd) - FrameRect.LowerRightCorner.X;
|
|
setTextRect(cursLine);
|
|
}
|
|
}
|
|
|
|
// calculate vertical scrolling
|
|
if (hasBrokenText) {
|
|
irr::u32 lineHeight = font->getDimension(L"A").Height + font->getKerningHeight();
|
|
// only up to 1 line fits?
|
|
if (lineHeight >= (irr::u32)FrameRect.getHeight()) {
|
|
VScrollPos = 0;
|
|
setTextRect(cursLine);
|
|
s32 unscrolledPos = CurrentTextRect.UpperLeftCorner.Y;
|
|
s32 pivot = FrameRect.UpperLeftCorner.Y;
|
|
switch (VAlign) {
|
|
case EGUIA_CENTER:
|
|
pivot += FrameRect.getHeight() / 2;
|
|
unscrolledPos += lineHeight / 2;
|
|
break;
|
|
case EGUIA_LOWERRIGHT:
|
|
pivot += FrameRect.getHeight();
|
|
unscrolledPos += lineHeight;
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
VScrollPos = unscrolledPos - pivot;
|
|
setTextRect(cursLine);
|
|
} else {
|
|
// First 2 checks are necessary when people delete lines
|
|
setTextRect(0);
|
|
if (CurrentTextRect.UpperLeftCorner.Y > FrameRect.UpperLeftCorner.Y && VAlign != EGUIA_LOWERRIGHT) {
|
|
// first line is leaving a gap on top
|
|
VScrollPos = 0;
|
|
} else if (VAlign != EGUIA_UPPERLEFT) {
|
|
u32 lastLine = BrokenTextPositions.empty() ? 0 : BrokenTextPositions.size() - 1;
|
|
setTextRect(lastLine);
|
|
if (CurrentTextRect.LowerRightCorner.Y < FrameRect.LowerRightCorner.Y) {
|
|
// last line is leaving a gap on bottom
|
|
VScrollPos -= FrameRect.LowerRightCorner.Y - CurrentTextRect.LowerRightCorner.Y;
|
|
}
|
|
}
|
|
|
|
setTextRect(cursLine);
|
|
if (CurrentTextRect.UpperLeftCorner.Y < FrameRect.UpperLeftCorner.Y) {
|
|
// text above valid area
|
|
VScrollPos -= FrameRect.UpperLeftCorner.Y - CurrentTextRect.UpperLeftCorner.Y;
|
|
setTextRect(cursLine);
|
|
} else if (CurrentTextRect.LowerRightCorner.Y > FrameRect.LowerRightCorner.Y) {
|
|
// text below valid area
|
|
VScrollPos += CurrentTextRect.LowerRightCorner.Y - FrameRect.LowerRightCorner.Y;
|
|
setTextRect(cursLine);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
void CGUIEditBox::calculateFrameRect()
|
|
{
|
|
FrameRect = AbsoluteRect;
|
|
IGUISkin *skin = 0;
|
|
if (Environment)
|
|
skin = Environment->getSkin();
|
|
if (Border && skin) {
|
|
FrameRect.UpperLeftCorner.X += skin->getSize(EGDS_TEXT_DISTANCE_X) + 1;
|
|
FrameRect.UpperLeftCorner.Y += skin->getSize(EGDS_TEXT_DISTANCE_Y) + 1;
|
|
FrameRect.LowerRightCorner.X -= skin->getSize(EGDS_TEXT_DISTANCE_X) + 1;
|
|
FrameRect.LowerRightCorner.Y -= skin->getSize(EGDS_TEXT_DISTANCE_Y) + 1;
|
|
}
|
|
}
|
|
|
|
//! set text markers
|
|
void CGUIEditBox::setTextMarkers(s32 begin, s32 end)
|
|
{
|
|
if (begin != MarkBegin || end != MarkEnd) {
|
|
MarkBegin = begin;
|
|
MarkEnd = end;
|
|
|
|
if (!PasswordBox && Operator && MarkBegin != MarkEnd) {
|
|
// copy to primary selection
|
|
const s32 realmbgn = MarkBegin < MarkEnd ? MarkBegin : MarkEnd;
|
|
const s32 realmend = MarkBegin < MarkEnd ? MarkEnd : MarkBegin;
|
|
|
|
core::stringc s;
|
|
wStringToUTF8(s, Text.subString(realmbgn, realmend - realmbgn));
|
|
Operator->copyToPrimarySelection(s.c_str());
|
|
}
|
|
|
|
sendGuiEvent(EGET_EDITBOX_MARKING_CHANGED);
|
|
}
|
|
}
|
|
|
|
//! send some gui event to parent
|
|
void CGUIEditBox::sendGuiEvent(EGUI_EVENT_TYPE type)
|
|
{
|
|
if (Parent) {
|
|
SEvent e;
|
|
e.EventType = EET_GUI_EVENT;
|
|
e.GUIEvent.Caller = this;
|
|
e.GUIEvent.Element = 0;
|
|
e.GUIEvent.EventType = type;
|
|
|
|
Parent->OnEvent(e);
|
|
}
|
|
}
|
|
|
|
//! Returns whether the element takes input from the IME
|
|
bool CGUIEditBox::acceptsIME()
|
|
{
|
|
return isEnabled();
|
|
}
|
|
|
|
} // end namespace gui
|
|
} // end namespace irr
|