915 lines
31 KiB
C#
915 lines
31 KiB
C#
#region license
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// This file is part of Vocaluxe.
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//
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// Vocaluxe is free software: you can redistribute it and/or modify
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// it under the terms of the GNU General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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//
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// Vocaluxe is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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//
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// You should have received a copy of the GNU General Public License
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// along with Vocaluxe. If not, see <http://www.gnu.org/licenses/>.
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#endregion
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using System;
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using System.Collections.Generic;
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using System.Drawing;
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using System.Windows.Forms;
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using VocaluxeLib.Menu.SingNotes;
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using VocaluxeLib.Menu.SongMenu;
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namespace VocaluxeLib.Menu
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{
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public abstract class CObjectInteractions
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{
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private readonly List<CInteraction> _Interactions = new List<CInteraction>();
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private int _Selection;
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private int _PrevMouseX;
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private int _PrevMouseY;
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protected bool _Active;
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protected readonly COrderedDictionaryLite<CButton> _Buttons;
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protected readonly COrderedDictionaryLite<CText> _Texts;
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protected readonly COrderedDictionaryLite<CBackground> _Backgrounds;
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protected readonly COrderedDictionaryLite<CStatic> _Statics;
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protected readonly COrderedDictionaryLite<CSelectSlide> _SelectSlides;
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protected readonly COrderedDictionaryLite<ISongMenu> _SongMenus;
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protected readonly COrderedDictionaryLite<CLyric> _Lyrics;
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protected readonly COrderedDictionaryLite<CSingNotes> _SingNotes;
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protected readonly COrderedDictionaryLite<CNameSelection> _NameSelections;
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protected readonly COrderedDictionaryLite<CEqualizer> _Equalizers;
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protected readonly COrderedDictionaryLite<CPlaylist> _Playlists;
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protected readonly COrderedDictionaryLite<CParticleEffect> _ParticleEffects;
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protected CObjectInteractions()
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{
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_Backgrounds = new COrderedDictionaryLite<CBackground>(this);
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_Buttons = new COrderedDictionaryLite<CButton>(this);
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_Texts = new COrderedDictionaryLite<CText>(this);
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_Statics = new COrderedDictionaryLite<CStatic>(this);
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_SelectSlides = new COrderedDictionaryLite<CSelectSlide>(this);
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_SongMenus = new COrderedDictionaryLite<ISongMenu>(this);
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_Lyrics = new COrderedDictionaryLite<CLyric>(this);
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_SingNotes = new COrderedDictionaryLite<CSingNotes>(this);
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_NameSelections = new COrderedDictionaryLite<CNameSelection>(this);
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_Equalizers = new COrderedDictionaryLite<CEqualizer>(this);
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_Playlists = new COrderedDictionaryLite<CPlaylist>(this);
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_ParticleEffects = new COrderedDictionaryLite<CParticleEffect>(this);
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}
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public virtual void Init()
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{
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_Selection = 0;
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_PrevMouseX = 0;
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_PrevMouseY = 0;
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_Active = false;
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}
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protected virtual void _ClearElements()
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{
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_Interactions.Clear();
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_Backgrounds.Clear();
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_Buttons.Clear();
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_Texts.Clear();
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_Statics.Clear();
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_SelectSlides.Clear();
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_SongMenus.Clear();
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_Lyrics.Clear();
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_SingNotes.Clear();
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_NameSelections.Clear();
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_Equalizers.Clear();
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_Playlists.Clear();
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_ParticleEffects.Clear();
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}
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#region MenuHandler
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public virtual bool HandleInput(SKeyEvent keyEvent)
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{
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if (!CBase.Settings.IsTabNavigation())
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{
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if (keyEvent.Key == Keys.Left)
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{
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if (_Interactions.Count > 0 && _Interactions[_Selection].Type == EType.SelectSlide && keyEvent.Mod != EModifier.Shift)
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keyEvent.Handled = _PrevElement();
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else
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keyEvent.Handled = _NextInteraction(keyEvent);
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}
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if (keyEvent.Key == Keys.Right)
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{
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if (_Interactions.Count > 0 && _Interactions[_Selection].Type == EType.SelectSlide && keyEvent.Mod != EModifier.Shift)
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keyEvent.Handled = _NextElement();
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else
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keyEvent.Handled = _NextInteraction(keyEvent);
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}
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if (keyEvent.Key == Keys.Up || keyEvent.Key == Keys.Down)
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keyEvent.Handled = _NextInteraction(keyEvent);
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}
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else
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{
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if (keyEvent.Key == Keys.Tab)
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{
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if (keyEvent.Mod == EModifier.Shift)
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PrevInteraction();
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else
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NextInteraction();
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}
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if (keyEvent.Key == Keys.Left)
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_PrevElement();
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if (keyEvent.Key == Keys.Right)
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_NextElement();
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}
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return true;
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}
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public virtual bool HandleMouse(SMouseEvent mouseEvent)
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{
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int selection = _Selection;
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ProcessMouseMove(mouseEvent.X, mouseEvent.Y);
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if (selection != _Selection)
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{
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_GetElement(selection).Highlighted = false;
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_GetElement(_Selection).Highlighted = true;
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}
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if (mouseEvent.LB)
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ProcessMouseClick(mouseEvent.X, mouseEvent.Y);
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_PrevMouseX = mouseEvent.X;
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_PrevMouseY = mouseEvent.Y;
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return true;
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}
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public virtual bool HandleInputThemeEditor(SKeyEvent keyEvent)
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{
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_GetElement(_Selection).Highlighted = false;
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if (!keyEvent.KeyPressed)
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{
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switch (keyEvent.Key)
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{
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case Keys.Up:
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if (keyEvent.Mod == EModifier.Ctrl)
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_MoveElement(0, -1);
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if (keyEvent.Mod == EModifier.Shift)
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_ResizeElement(0, 1);
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break;
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case Keys.Down:
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if (keyEvent.Mod == EModifier.Ctrl)
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_MoveElement(0, 1);
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if (keyEvent.Mod == EModifier.Shift)
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_ResizeElement(0, -1);
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break;
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case Keys.Right:
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if (keyEvent.Mod == EModifier.Ctrl)
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_MoveElement(1, 0);
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if (keyEvent.Mod == EModifier.Shift)
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_ResizeElement(1, 0);
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if (keyEvent.Mod == EModifier.None)
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NextInteraction();
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break;
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case Keys.Left:
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if (keyEvent.Mod == EModifier.Ctrl)
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_MoveElement(-1, 0);
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if (keyEvent.Mod == EModifier.Shift)
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_ResizeElement(-1, 0);
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if (keyEvent.Mod == EModifier.None)
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PrevInteraction();
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break;
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}
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}
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return true;
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}
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public virtual bool HandleMouseThemeEditor(SMouseEvent mouseEvent)
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{
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_GetElement(_Selection).Highlighted = false;
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int mouseDX = mouseEvent.X - _PrevMouseX;
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int mouseDY = mouseEvent.Y - _PrevMouseY;
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int stepX = 0;
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int stepY = 0;
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if ((mouseEvent.Mod & EModifier.Ctrl) == EModifier.Ctrl)
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{
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_PrevMouseX = mouseEvent.X;
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_PrevMouseY = mouseEvent.Y;
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}
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else
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{
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while (Math.Abs(mouseEvent.X - _PrevMouseX) >= 5)
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{
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if (mouseEvent.X - _PrevMouseX >= 5)
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stepX += 5;
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if (mouseEvent.X - _PrevMouseX <= -5)
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stepX -= 5;
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_PrevMouseX = mouseEvent.X - (mouseDX - stepX);
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}
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while (Math.Abs(mouseEvent.Y - _PrevMouseY) >= 5)
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{
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if (mouseEvent.Y - _PrevMouseY >= 5)
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stepY += 5;
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if (mouseEvent.Y - _PrevMouseY <= -5)
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stepY -= 5;
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_PrevMouseY = mouseEvent.Y - (mouseDY - stepY);
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}
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}
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if (mouseEvent.LBH)
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{
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//if (IsMouseOver(MouseEvent.X, _PrevMouseY))
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//{
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if (mouseEvent.Mod == EModifier.None)
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_MoveElement(stepX, stepY);
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if (mouseEvent.Mod == EModifier.Ctrl)
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_MoveElement(mouseDX, mouseDY);
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if (mouseEvent.Mod == EModifier.Shift)
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_ResizeElement(stepX, stepY);
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if (mouseEvent.Mod == (EModifier.Shift | EModifier.Ctrl))
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_ResizeElement(mouseDX, mouseDY);
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//}
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}
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else
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ProcessMouseMove(mouseEvent.X, mouseEvent.Y);
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return true;
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}
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#endregion MenuHandler
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private IMenuElement _GetElement(CInteraction interaction)
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{
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switch (interaction.Type)
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{
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case EType.Background:
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return _Backgrounds[interaction.Num];
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case EType.Button:
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return _Buttons[interaction.Num];
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case EType.SelectSlide:
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return _SelectSlides[interaction.Num];
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case EType.Text:
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return _Texts[interaction.Num];
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case EType.Static:
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return _Statics[interaction.Num];
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case EType.SongMenu:
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return _SongMenus[interaction.Num];
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case EType.Lyric:
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return _Lyrics[interaction.Num];
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case EType.SingNote:
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return _SingNotes[interaction.Num];
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case EType.NameSelection:
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return _NameSelections[interaction.Num];
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case EType.Equalizer:
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return _Equalizers[interaction.Num];
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case EType.Playlist:
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return _Playlists[interaction.Num];
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case EType.ParticleEffect:
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return _ParticleEffects[interaction.Num];
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}
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throw new ArgumentException("Invalid interaction type: " + interaction.Type);
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}
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private IMenuElement _GetElement(int interaction)
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{
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return (interaction >= 0 && interaction < _Interactions.Count) ? _GetElement(_Interactions[interaction]) : null;
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}
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#region Drawing
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public virtual void Draw()
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{
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if (!_Active)
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return;
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_DrawBG();
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_DrawFG();
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}
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private void _DrawBG()
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{
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foreach (CBackground bg in _Backgrounds)
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bg.Draw();
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}
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private void _DrawFG()
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{
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if (_Interactions.Count <= 0)
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return;
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var items = new List<SZSort>();
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for (int i = 0; i < _Interactions.Count; i++)
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{
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if (_IsVisible(i) && _Interactions[i].DrawAsForeground)
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{
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var zs = new SZSort {ID = i, Z = _GetZValue(i)};
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items.Add(zs);
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}
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}
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if (items.Count <= 0)
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return;
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items.Sort((s1, s2) => s2.Z.CompareTo(s1.Z));
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for (int i = 0; i < items.Count; i++)
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_DrawInteraction(items[i].ID);
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}
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#endregion Drawing
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#region Element-Adding
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protected void _AddBackground(CBackground bg, String key = null)
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{
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_AddInteraction(_Backgrounds.Add(bg, key), EType.Background);
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}
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protected void _AddButton(CButton button, String key = null)
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{
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_AddInteraction(_Buttons.Add(button, key), EType.Button);
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}
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protected void _AddSelectSlide(CSelectSlide slide, String key = null)
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{
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_AddInteraction(_SelectSlides.Add(slide, key), EType.SelectSlide);
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}
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protected void _AddStatic(CStatic stat, String key = null)
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{
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_AddInteraction(_Statics.Add(stat, key), EType.Static);
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}
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protected void _AddText(CText text, String key = null)
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{
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_AddInteraction(_Texts.Add(text, key), EType.Text);
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}
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protected void _AddSongMenu(ISongMenu songmenu, String key = null)
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{
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_AddInteraction(_SongMenus.Add(songmenu, key), EType.SongMenu);
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}
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protected void _AddLyric(CLyric lyric, String key = null)
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{
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_AddInteraction(_Lyrics.Add(lyric, key), EType.Lyric);
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}
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protected void _AddSingNote(CSingNotes sn, String key = null)
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{
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_AddInteraction(_SingNotes.Add(sn, key), EType.SingNote);
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}
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protected void _AddNameSelection(CNameSelection ns, String key = null)
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{
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_AddInteraction(_NameSelections.Add(ns, key), EType.NameSelection);
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}
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protected void _AddEqualizer(CEqualizer eq, String key = null)
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{
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_AddInteraction(_Equalizers.Add(eq, key), EType.Equalizer);
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}
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protected void _AddPlaylist(CPlaylist pls, String key = null)
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{
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_AddInteraction(_Playlists.Add(pls, key), EType.Playlist);
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}
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protected void _AddParticleEffect(CParticleEffect pe, String key = null)
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{
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_AddInteraction(_ParticleEffects.Add(pe, key), EType.ParticleEffect);
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}
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#endregion Element-Adding
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#region InteractionHandling
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public void NextInteraction()
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{
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if (_Interactions.Count > 0)
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_NextInteraction();
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}
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public void PrevInteraction()
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{
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if (_Interactions.Count > 0)
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_PrevInteraction();
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}
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/// <summary>
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/// Selects the next element in a menu Interaction.
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/// </summary>
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/// <returns>True if the next element is selected. False if either there is no next element or the Interaction does not provide such a method.</returns>
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public bool NextElement()
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{
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if (_Interactions.Count > 0)
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return _NextElement();
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return false;
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}
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/// <summary>
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/// Selects the previous element in a menu Interaction.
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/// </summary>
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/// <returns>True if the previous element is selected. False if either there is no next element or the Interaction does not provide such a method.</returns>
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public bool PrevElement()
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{
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if (_Interactions.Count > 0)
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return _PrevElement();
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return false;
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}
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protected void _SetInteractionToButton(CButton button)
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{
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if (!button.Visible)
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return;
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for (int i = 0; i < _Interactions.Count; i++)
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{
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if (_Interactions[i].Type != EType.Button)
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continue;
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if (_Buttons[_Interactions[i].Num] == button)
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{
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_GetElement(_Selection).Selected = false;
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_GetElement(_Selection).Highlighted = false;
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_Selection = i;
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_GetElement(_Selection).Selected = true;
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return;
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}
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}
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}
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protected void _SetInteractionToSelectSlide(CSelectSlide slide)
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{
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if (!slide.Visible)
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return;
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for (int i = 0; i < _Interactions.Count; i++)
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{
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if (_Interactions[i].Type != EType.SelectSlide)
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continue;
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if (_SelectSlides[_Interactions[i].Num] == slide)
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{
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_GetElement(_Selection).Selected = false;
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_GetElement(_Selection).Highlighted = false;
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_Selection = i;
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_GetElement(_Selection).Selected = true;
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return;
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}
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}
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}
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public void ProcessMouseClick(int x, int y)
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{
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if (_Selection >= _Interactions.Count || _Selection < 0)
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return;
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if (_Interactions[_Selection].Type == EType.SelectSlide)
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{
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if (_SelectSlides[_Interactions[_Selection].Num].Visible)
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_SelectSlides[_Interactions[_Selection].Num].ProcessMouseLBClick(x, y);
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}
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}
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public void ProcessMouseMove(int x, int y)
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{
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_SelectByMouse(x, y);
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if (_Selection >= _Interactions.Count || _Selection < 0)
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return;
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if (_Interactions[_Selection].Type == EType.SelectSlide)
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{
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if (_SelectSlides[_Interactions[_Selection].Num].Visible)
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_SelectSlides[_Interactions[_Selection].Num].ProcessMouseMove(x, y);
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}
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}
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private void _SelectByMouse(int x, int y)
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{
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float z = CBase.Settings.GetZFar();
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for (int i = 0; i < _Interactions.Count; i++)
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{
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if ((CBase.Settings.GetProgramState() != EProgramState.EditTheme) && (_Interactions[i].ThemeEditorOnly || !_IsVisible(i) || !_IsSelectable(i)))
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continue;
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if (!_IsMouseOverElement(x, y, _Interactions[i]))
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continue;
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if (_GetZValue(_Interactions[i]) > z)
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continue;
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z = _GetZValue(_Interactions[i]);
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_GetElement(_Selection).Selected = false;
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_Selection = i;
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_GetElement(_Selection).Selected = true;
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_Selection = i;
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}
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}
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protected bool _IsMouseOverCurSelection(SMouseEvent mouseEvent)
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{
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return _IsMouseOverCurSelection(mouseEvent.X, mouseEvent.Y);
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}
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private bool _IsMouseOverCurSelection(int x, int y)
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{
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if (_Selection >= _Interactions.Count || _Selection < 0)
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return false;
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return _Interactions.Count > 0 && _IsMouseOverElement(x, y, _Interactions[_Selection]);
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}
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private bool _IsMouseOverElement(int x, int y, CInteraction interact)
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{
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bool result = CHelper.IsInBounds(_GetRect(interact), x, y);
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if (result)
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return true;
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if (interact.Type == EType.SelectSlide)
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{
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return CHelper.IsInBounds(_SelectSlides[interact.Num].RectArrowLeft, x, y) ||
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CHelper.IsInBounds(_SelectSlides[interact.Num].RectArrowRight, x, y);
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}
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return false;
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}
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|
private float _GetZValue(CInteraction interact)
|
|
{
|
|
IMenuElement el = _GetElement(interact);
|
|
return el != null ? el.Rect.Z : CBase.Settings.GetZFar();
|
|
}
|
|
|
|
private float _GetZValue(int interaction)
|
|
{
|
|
return _GetZValue(_Interactions[interaction]);
|
|
}
|
|
|
|
private void _NextInteraction()
|
|
{
|
|
_GetElement(_Selection).Selected = false;
|
|
if (CBase.Settings.GetProgramState() != EProgramState.EditTheme)
|
|
{
|
|
bool found = false;
|
|
int start = _Selection;
|
|
do
|
|
{
|
|
start++;
|
|
if (start > _Interactions.Count - 1)
|
|
start = 0;
|
|
|
|
if ((start == _Selection) || (!_Interactions[start].ThemeEditorOnly && _IsVisible(start) && _IsSelectable(start)))
|
|
found = true;
|
|
} while (!found);
|
|
_Selection = start;
|
|
}
|
|
else
|
|
{
|
|
_Selection++;
|
|
if (_Selection > _Interactions.Count - 1)
|
|
_Selection = 0;
|
|
}
|
|
_GetElement(_Selection).Selected = true;
|
|
}
|
|
|
|
private void _PrevInteraction()
|
|
{
|
|
_GetElement(_Selection).Selected = false;
|
|
if (CBase.Settings.GetProgramState() != EProgramState.EditTheme)
|
|
{
|
|
bool found = false;
|
|
int start = _Selection;
|
|
do
|
|
{
|
|
start--;
|
|
if (start < 0)
|
|
start = _Interactions.Count - 1;
|
|
|
|
if ((start == _Selection) || (!_Interactions[start].ThemeEditorOnly && _IsVisible(start) && _IsSelectable(start)))
|
|
found = true;
|
|
} while (!found);
|
|
_Selection = start;
|
|
}
|
|
else
|
|
{
|
|
_Selection--;
|
|
if (_Selection < 0)
|
|
_Selection = _Interactions.Count - 1;
|
|
}
|
|
_GetElement(_Selection).Selected = true;
|
|
}
|
|
|
|
/// <summary>
|
|
/// Selects the next best interaction in a menu.
|
|
/// </summary>
|
|
/// <param name="key"></param>
|
|
/// <returns></returns>
|
|
private bool _NextInteraction(SKeyEvent key)
|
|
{
|
|
var directions = new SKeyEvent[4];
|
|
var distances = new float[4];
|
|
var stages = new int[4];
|
|
var elements = new int[4];
|
|
|
|
for (int i = 0; i < 4; i++)
|
|
directions[i] = new SKeyEvent();
|
|
|
|
directions[0].Key = Keys.Up;
|
|
directions[1].Key = Keys.Right;
|
|
directions[2].Key = Keys.Down;
|
|
directions[3].Key = Keys.Left;
|
|
|
|
for (int i = 0; i < 4; i++)
|
|
elements[i] = _GetNextElement(directions[i], out distances[i], out stages[i]);
|
|
|
|
int element = _Selection;
|
|
int stage = int.MaxValue;
|
|
int direction = -1;
|
|
|
|
int mute = -1;
|
|
switch (key.Key)
|
|
{
|
|
case Keys.Up:
|
|
mute = 2;
|
|
break;
|
|
case Keys.Right:
|
|
mute = 3;
|
|
break;
|
|
case Keys.Down:
|
|
mute = 0;
|
|
break;
|
|
case Keys.Left:
|
|
mute = 1;
|
|
break;
|
|
}
|
|
|
|
for (int i = 0; i < 4; i++)
|
|
{
|
|
if (i != mute && elements[i] != _Selection && (stages[i] <= stage && directions[i].Key == key.Key))
|
|
{
|
|
stage = stages[i];
|
|
element = elements[i];
|
|
direction = i;
|
|
}
|
|
}
|
|
|
|
if (direction != -1)
|
|
{
|
|
// select the new element
|
|
if (directions[direction].Key == key.Key)
|
|
{
|
|
_GetElement(_Selection).Selected = false;
|
|
_GetElement(_Selection).Highlighted = false;
|
|
_Selection = element;
|
|
_GetElement(_Selection).Selected = true;
|
|
_GetElement(_Selection).Highlighted = true;
|
|
|
|
return true;
|
|
}
|
|
}
|
|
return false;
|
|
}
|
|
|
|
private int _GetNextElement(SKeyEvent key, out float distance, out int stage)
|
|
{
|
|
distance = float.MaxValue;
|
|
int min = _Selection;
|
|
SRectF actualRect = _GetRect(_Selection);
|
|
stage = int.MaxValue;
|
|
|
|
for (int i = 0; i < _Interactions.Count; i++)
|
|
{
|
|
if (i != _Selection && !_Interactions[i].ThemeEditorOnly && _IsVisible(i) && _IsSelectable(i))
|
|
{
|
|
SRectF targetRect = _GetRect(i);
|
|
float dist = _GetDistanceDirect(key, actualRect, targetRect);
|
|
if (dist >= 0f && dist < distance)
|
|
{
|
|
distance = dist;
|
|
min = i;
|
|
stage = 10;
|
|
}
|
|
}
|
|
}
|
|
|
|
if (min == _Selection)
|
|
{
|
|
for (int i = 0; i < _Interactions.Count; i++)
|
|
{
|
|
if (i != _Selection && !_Interactions[i].ThemeEditorOnly && _IsVisible(i) && _IsSelectable(i))
|
|
{
|
|
SRectF targetRect = _GetRect(i);
|
|
float dist = _GetDistance180(key, actualRect, targetRect);
|
|
if (dist >= 0f && dist < distance)
|
|
{
|
|
distance = dist;
|
|
min = i;
|
|
stage = 20;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
if (min == _Selection)
|
|
{
|
|
switch (key.Key)
|
|
{
|
|
case Keys.Up:
|
|
actualRect = new SRectF(actualRect.X, CBase.Settings.GetRenderH(), 1, 1, actualRect.Z);
|
|
break;
|
|
case Keys.Down:
|
|
actualRect = new SRectF(actualRect.X, 0, 1, 1, actualRect.Z);
|
|
break;
|
|
case Keys.Left:
|
|
actualRect = new SRectF(CBase.Settings.GetRenderW(), actualRect.Y, 1, 1, actualRect.Z);
|
|
break;
|
|
case Keys.Right:
|
|
actualRect = new SRectF(0, actualRect.Y, 1, 1, actualRect.Z);
|
|
break;
|
|
}
|
|
|
|
for (int i = 0; i < _Interactions.Count; i++)
|
|
{
|
|
if (i != _Selection && !_Interactions[i].ThemeEditorOnly && _IsVisible(i) && _IsSelectable(i))
|
|
{
|
|
SRectF targetRect = _GetRect(i);
|
|
float dist = _GetDistance180(key, actualRect, targetRect);
|
|
if (dist >= 0f && dist < distance)
|
|
{
|
|
distance = dist;
|
|
min = i;
|
|
stage = 30;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
return min;
|
|
}
|
|
|
|
private static float _GetDistanceDirect(SKeyEvent key, SRectF actualRect, SRectF targetRect)
|
|
{
|
|
var source = new PointF(actualRect.X + actualRect.W / 2f, actualRect.Y + actualRect.H / 2f);
|
|
var dest = new PointF(targetRect.X + targetRect.W / 2f, targetRect.Y + targetRect.H / 2f);
|
|
|
|
var vector = new PointF(dest.X - source.X, dest.Y - source.Y);
|
|
var distance = (float)Math.Sqrt(vector.X * vector.X + vector.Y * vector.Y);
|
|
bool inDirection = false;
|
|
switch (key.Key)
|
|
{
|
|
case Keys.Up:
|
|
if (vector.Y < 0f && (targetRect.X + targetRect.W > actualRect.X && actualRect.X + actualRect.W > targetRect.X))
|
|
inDirection = true;
|
|
break;
|
|
|
|
case Keys.Down:
|
|
if (vector.Y > 0f && (targetRect.X + targetRect.W > actualRect.X && actualRect.X + actualRect.W > targetRect.X))
|
|
inDirection = true;
|
|
break;
|
|
|
|
case Keys.Left:
|
|
if (vector.X < 0f && (targetRect.Y + targetRect.H > actualRect.Y && actualRect.Y + actualRect.H > targetRect.Y))
|
|
inDirection = true;
|
|
break;
|
|
|
|
case Keys.Right:
|
|
if (vector.X > 0f && (targetRect.Y + targetRect.H > actualRect.Y && actualRect.Y + actualRect.H > targetRect.Y))
|
|
inDirection = true;
|
|
break;
|
|
}
|
|
return !inDirection ? float.MaxValue : distance;
|
|
}
|
|
|
|
private static float _GetDistance180(SKeyEvent key, SRectF actualRect, SRectF targetRect)
|
|
{
|
|
var source = new PointF(actualRect.X + actualRect.W / 2f, actualRect.Y + actualRect.H / 2f);
|
|
var dest = new PointF(targetRect.X + targetRect.W / 2f, targetRect.Y + targetRect.H / 2f);
|
|
|
|
var vector = new PointF(dest.X - source.X, dest.Y - source.Y);
|
|
var distance = (float)Math.Sqrt(vector.X * vector.X + vector.Y * vector.Y);
|
|
bool inDirection = false;
|
|
switch (key.Key)
|
|
{
|
|
case Keys.Up:
|
|
if (vector.Y < 0f)
|
|
inDirection = true;
|
|
break;
|
|
|
|
case Keys.Down:
|
|
if (vector.Y > 0f)
|
|
inDirection = true;
|
|
break;
|
|
|
|
case Keys.Left:
|
|
if (vector.X < 0f)
|
|
inDirection = true;
|
|
break;
|
|
|
|
case Keys.Right:
|
|
if (vector.X > 0f)
|
|
inDirection = true;
|
|
break;
|
|
}
|
|
return !inDirection ? float.MaxValue : distance;
|
|
}
|
|
|
|
/// <summary>
|
|
/// Selects the next element in a menu interaction.
|
|
/// </summary>
|
|
/// <returns>True if the next element is selected. False if either there is no next element or the interaction does not provide such a method.</returns>
|
|
private bool _NextElement()
|
|
{
|
|
if (_Interactions[_Selection].Type == EType.SelectSlide)
|
|
return _SelectSlides[_Interactions[_Selection].Num].NextValue();
|
|
|
|
return false;
|
|
}
|
|
|
|
/// <summary>
|
|
/// Selects the previous element in a menu interaction.
|
|
/// </summary>
|
|
/// <returns>
|
|
/// True if the previous element is selected. False if either there is no previous element or the interaction does not provide such a method.
|
|
/// </returns>
|
|
private bool _PrevElement()
|
|
{
|
|
if (_Interactions[_Selection].Type == EType.SelectSlide)
|
|
return _SelectSlides[_Interactions[_Selection].Num].PrevValue();
|
|
|
|
return false;
|
|
}
|
|
|
|
private bool _IsVisible(int interaction)
|
|
{
|
|
IMenuElement el = _GetElement(interaction);
|
|
return el != null && el.Visible;
|
|
}
|
|
|
|
private bool _IsSelectable(int interaction)
|
|
{
|
|
IMenuElement el = _GetElement(interaction);
|
|
return el != null && el.Selectable;
|
|
}
|
|
|
|
private SRectF _GetRect(CInteraction interaction)
|
|
{
|
|
IMenuElement el = _GetElement(interaction);
|
|
return el.Rect;
|
|
}
|
|
|
|
private SRectF _GetRect(int interaction)
|
|
{
|
|
return _GetRect(_Interactions[interaction]);
|
|
}
|
|
|
|
private void _AddInteraction(int num, EType type)
|
|
{
|
|
_Interactions.Add(new CInteraction(num, type));
|
|
if (!_Interactions[_Selection].ThemeEditorOnly)
|
|
_GetElement(_Selection).Selected = true;
|
|
else
|
|
_NextInteraction();
|
|
}
|
|
|
|
private void _DrawInteraction(int interaction)
|
|
{
|
|
IMenuElement el = _GetElement(interaction);
|
|
el.Draw();
|
|
}
|
|
#endregion InteractionHandling
|
|
|
|
#region Theme Handling
|
|
private void _MoveElement(int stepX, int stepY)
|
|
{
|
|
IMenuElement el = _GetElement(_Selection);
|
|
if (el != null)
|
|
el.MoveElement(stepX, stepY);
|
|
}
|
|
|
|
private void _ResizeElement(int stepW, int stepH)
|
|
{
|
|
IMenuElement el = _GetElement(_Selection);
|
|
if (el != null)
|
|
el.ResizeElement(stepW, stepH);
|
|
}
|
|
#endregion Theme Handling
|
|
}
|
|
} |