mirror of
https://git.do.srb2.org/STJr/UltimateZoneBuilder.git
synced 2024-11-23 20:32:34 +00:00
724 lines
22 KiB
C#
Executable file
724 lines
22 KiB
C#
Executable file
#region ================== Namespaces
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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.Drawing.Drawing2D;
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using System.Drawing.Imaging;
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using System.Linq;
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using System.Windows.Forms;
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#endregion
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namespace CodeImp.DoomBuilder.Controls
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{
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//mxd. Based on (but heavily reworked since) TextureListPanel from Sledge (https://github.com/LogicAndTrick/sledge)
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internal class ImageSelectorPanel : Panel
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{
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#region ================== Constants
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#endregion
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#region ================== Variables
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private VScrollBar scrollbar;
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private List<ImageBrowserItem> items;
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private List<ImageBrowserItem> selection;
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private List<Rectangle> rectangles;
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private ImageBrowserItem lastselecteditem;
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private int imagesize = 128;
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private bool classicview = false;
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private bool usedtexturesfirst = false;
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private string contenttype = "Textures";
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private string title;
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private int titleheight
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{
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get
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{
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return classicview ? 0 : SystemFonts.MessageBoxFont.Height + 6;
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}
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}
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//mxd. Tooltips
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private ToolTip tooltip;
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private Point lasttooltippos;
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private const int tooltipreshowdistance = 48;
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//mxd. Textures cache
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private static Dictionary<int, Dictionary<long, Image>> texturecache = new Dictionary<int, Dictionary<long, Image>>(); // <imagesize, < texture longname, preview image>>
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private static Dictionary<int, Dictionary<long, Image>> flatcache = new Dictionary<int, Dictionary<long, Image>>(); // <imagesize, < texture longname, preview image>>
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// Selection
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private bool allowselection;
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private bool allowmultipleselection;
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#endregion
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#region ================== Event handlers
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public delegate void ItemSelectedEventHandler(object sender, ImageBrowserItem item);
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public delegate void SelectionChangedEventHandler(object sender, List<ImageBrowserItem> selection);
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/*public event ItemSelectedEventHandler ItemSelected;
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private void OnItemSelected(ImageBrowserItem item)
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{
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if(ItemSelected != null) ItemSelected(this, item);
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}*/
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public event SelectionChangedEventHandler SelectionChanged;
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private void OnSelectionChanged(List<ImageBrowserItem> selection)
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{
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if(SelectionChanged != null) SelectionChanged(this, selection);
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}
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public event ItemSelectedEventHandler ItemDoubleClicked;
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private void OnItemDoubleClicked(ImageBrowserItem item)
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{
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if(ItemDoubleClicked != null) ItemDoubleClicked(this, item);
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}
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#endregion
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#region ================== Properties
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public bool HideSelection
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{
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get { return !allowselection; }
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set
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{
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allowselection = !value;
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if(!allowselection && selection.Count > 0)
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{
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selection.Clear();
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Refresh();
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}
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}
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}
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public bool MultiSelect
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{
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get { return allowmultipleselection; }
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set
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{
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allowmultipleselection = value;
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if(!allowmultipleselection && selection.Count > 0)
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{
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var first = selection[0];
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selection.Clear();
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selection.Add(first);
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Refresh();
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}
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}
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}
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public int ImageSize
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{
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get { return imagesize; }
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set
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{
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imagesize = value;
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UpdateRectangles();
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if(selection.Count > 0) ScrollToItem(selection[0]);
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}
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}
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public bool ClassicView
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{
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get { return classicview; }
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set
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{
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classicview = value;
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UpdateRectangles();
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if (selection.Count > 0) ScrollToItem(selection[0]);
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}
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}
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public bool UsedTexturesFirst
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{
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get { return usedtexturesfirst; }
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set
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{
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usedtexturesfirst = value;
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UpdateRectangles();
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if (selection.Count > 0) ScrollToItem(selection[0]);
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}
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}
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public List<ImageBrowserItem> Items { get { return items; } }
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public List<ImageBrowserItem> SelectedItems { get { return selection; } }
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public string Title { get { return title; } set { title = value; } }
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public string ContentType { get { return contenttype; } set { contenttype = value; } } // why do encapsulation when it's not needed?
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#endregion
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#region ================== Constructor / Disposer
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public ImageSelectorPanel()
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{
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VScroll = true;
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AutoScroll = true;
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DoubleBuffered = true;
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scrollbar = new VScrollBar { Dock = DockStyle.Right };
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scrollbar.ValueChanged += (sender, e) => Refresh();
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tooltip = new ToolTip(); //mxd
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items = new List<ImageBrowserItem>();
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selection = new List<ImageBrowserItem>();
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imagesize = 128;
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rectangles = new List<Rectangle>();
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title = "All images:";
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Controls.Add(scrollbar);
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}
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protected override void Dispose(bool disposing)
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{
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if(disposing) Clear();
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base.Dispose(disposing);
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}
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#endregion
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#region ================== Add/Remove/Get Textures
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//mxd. Clears the list without redrawing it
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public void Clear()
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{
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selection.Clear();
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items.Clear();
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lastselecteditem = null;
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rectangles.Clear();
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}
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//mxd
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public void ClearSelection()
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{
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selection.Clear();
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lastselecteditem = null;
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OnSelectionChanged(selection);
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Refresh();
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}
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public void SetItems(IEnumerable<ImageBrowserItem> items)
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{
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this.items.Clear();
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lastselecteditem = null;
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selection.Clear();
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this.items.AddRange(items);
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OnSelectionChanged(selection);
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UpdateRectangles();
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}
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public void SetSelectedItem(ImageBrowserItem item)
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{
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SetSelectedItems(new List<ImageBrowserItem> { item } );
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}
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public void SetSelectedItems(List<ImageBrowserItem> items)
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{
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selection.Clear();
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if(items.Count > 0)
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{
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selection.AddRange(items);
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ScrollToItem(items[0]); //mxd
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Refresh(); //mxd
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}
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OnSelectionChanged(selection);
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}
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public void ScrollToItem(ImageBrowserItem item)
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{
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int index = items.IndexOf(item);
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if(index < 0) return;
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Rectangle rec = rectangles[index];
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//mxd. Already visible?
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int ymin = scrollbar.Value - titleheight;
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int ymax = ymin + this.ClientRectangle.Height + titleheight;
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if(rec.Top - 3 >= ymin && rec.Bottom + 3 <= ymax) return;
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int yscroll = Math.Max(0, Math.Min(rec.Top - titleheight - 3, scrollbar.Maximum - ClientRectangle.Height));
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scrollbar.Value = yscroll;
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Refresh();
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}
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public void SelectNextItem(SearchDirectionHint dir)
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{
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if(!allowselection) return;
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if(selection.Count == 0)
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{
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if(items.Count > 0) SetSelectedItem(items[0]);
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return;
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}
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int targetindex = items.IndexOf(selection[0]);
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Rectangle rect = rectangles[targetindex];
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int index, newindex, tx, cx, cy;
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switch(dir)
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{
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case SearchDirectionHint.Right:
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// Just select the next item
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if(targetindex < items.Count - 1) SetSelectedItem(items[targetindex + 1]);
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break;
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case SearchDirectionHint.Left:
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// Just select the previous item
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if(targetindex > 0) SetSelectedItem(items[targetindex - 1]);
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break;
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case SearchDirectionHint.Up:
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// Skip current row...
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index = targetindex - 1;
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if(index < 0) break;
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while(index > 0)
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{
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if(rectangles[index].Y != rect.Y) break;
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index--;
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}
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// Check upper row for best match
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tx = rect.X + rect.Width / 2;
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cx = int.MaxValue;
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cy = rectangles[index].Y;
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newindex = int.MaxValue;
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while(index >= 0 && rectangles[index].Y == cy)
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{
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int ccx = Math.Abs(rectangles[index].X + rectangles[index].Width / 2 - tx);
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if(ccx < cx)
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{
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cx = ccx;
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newindex = index;
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}
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index--;
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}
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// Select item
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if(newindex != int.MaxValue) SetSelectedItem(items[newindex]);
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break;
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case SearchDirectionHint.Down:
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// Skip current row...
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index = targetindex + 1;
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if(index > rectangles.Count - 1) break;
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while(index < rectangles.Count - 1)
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{
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if(rectangles[index].Y != rect.Y) break;
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index++;
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}
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// Check upper row for best match
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tx = rect.X + rect.Width / 2;
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cx = int.MaxValue;
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cy = rectangles[index].Y;
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newindex = int.MaxValue;
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while(index < rectangles.Count && rectangles[index].Y == cy)
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{
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int ccx = Math.Abs(rectangles[index].X + rectangles[index].Width / 2 - tx);
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if(ccx < cx)
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{
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cx = ccx;
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newindex = index;
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}
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index++;
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}
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// Select item
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if(newindex != int.MaxValue) SetSelectedItem(items[newindex]);
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break;
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}
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}
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protected override void OnMouseDoubleClick(MouseEventArgs e)
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{
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base.OnMouseDoubleClick(e);
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if(General.Interface.CtrlState || General.Interface.ShiftState || selection.Count != 1)
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return;
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int index = GetIndexAt(e.X, scrollbar.Value + e.Y);
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if(index == -1) return;
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OnItemDoubleClicked(items[index]);
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}
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protected override void OnMouseDown(MouseEventArgs e)
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{
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base.OnMouseDown(e);
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this.Focus();
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if(!allowselection) return;
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if(!allowmultipleselection || !General.Interface.CtrlState)
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selection.Clear();
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int x = e.X;
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int y = scrollbar.Value + e.Y;
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int clickedIndex = GetIndexAt(x, y);
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var item = (clickedIndex >= 0 && clickedIndex < items.Count ? items[clickedIndex] : null);
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if(item == null)
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{
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selection.Clear();
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}
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else if(allowmultipleselection && General.Interface.CtrlState && selection.Contains(item))
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{
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selection.Remove(item);
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lastselecteditem = null;
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}
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else if(allowmultipleselection && General.Interface.ShiftState && lastselecteditem != null)
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{
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int bef = items.IndexOf(lastselecteditem);
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var start = Math.Min(bef, clickedIndex);
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var count = Math.Abs(clickedIndex - bef) + 1;
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selection.AddRange(items.GetRange(start, count).Where(i => !selection.Contains(i)));
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}
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else
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{
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selection.Add(item);
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lastselecteditem = item;
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}
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OnSelectionChanged(selection);
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Refresh();
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}
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protected override void OnMouseEnter(EventArgs e)
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{
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Focus();
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base.OnMouseEnter(e);
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}
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//mxd
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protected override void OnMouseMove(MouseEventArgs e)
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{
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base.OnMouseMove(e);
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int index = GetIndexAt(e.X, scrollbar.Value + e.Y);
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if(index == -1 || items[index].ItemType != ImageBrowserItemType.IMAGE || string.IsNullOrEmpty(items[index].ToolTip))
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{
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if(tooltip.Active) tooltip.Hide(this);
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}
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else if(!tooltip.Active || tooltip.GetToolTip(this) != items[index].ToolTip
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|| Math.Abs(lasttooltippos.X - e.Location.X) > tooltipreshowdistance
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|| Math.Abs(lasttooltippos.Y - e.Location.Y) > tooltipreshowdistance)
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{
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Point pos = new Point(e.Location.X, e.Location.Y + Cursor.Size.Height + 4);
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tooltip.Show(items[index].ToolTip, this, pos, 999999);
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lasttooltippos = e.Location;
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}
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}
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public int GetIndexAt(int x, int y)
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{
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int padhorz = classicview?13:2;
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int padvert = 2;
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int font = 4 + SystemFonts.MessageBoxFont.Height;
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for(var i = 0; i < rectangles.Count; i++)
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{
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var rec = rectangles[i];
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if(rec.Left - padhorz <= x
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&& rec.Right + padhorz >= x
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&& rec.Top - padvert <= y
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&& rec.Bottom + padvert + font >= y)
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{
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return i;
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}
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}
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return -1;
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}
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#endregion
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#region ================== Scrolling
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private void ScrollByAmount(int value)
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{
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int newvalue = Math.Max(0, scrollbar.Value + value);
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scrollbar.Value = Math.Min(newvalue, Math.Max(0, scrollbar.Maximum - ClientRectangle.Height));
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}
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protected override void OnMouseWheel(MouseEventArgs e)
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{
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base.OnMouseWheel(e);
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ScrollByAmount(scrollbar.SmallChange * (e.Delta / -120));
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}
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//mxd. Otherwise arrow keys won't be handled by OnKeyDown
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protected override bool IsInputKey(Keys keyData)
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{
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switch(keyData)
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{
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case Keys.Right: case Keys.Left:
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case Keys.Up: case Keys.Down:
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case Keys.Return: return true;
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}
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return base.IsInputKey(keyData);
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}
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protected override void OnKeyDown(KeyEventArgs e)
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{
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switch(e.KeyCode)
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{
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//mxd. Cursor keys
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case Keys.Left: SelectNextItem(SearchDirectionHint.Left); break;
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case Keys.Right: SelectNextItem(SearchDirectionHint.Right); break;
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case Keys.Up: SelectNextItem(SearchDirectionHint.Up); break;
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case Keys.Down: SelectNextItem(SearchDirectionHint.Down); break;
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case Keys.PageDown: ScrollByAmount(scrollbar.LargeChange); break;
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case Keys.PageUp: ScrollByAmount(-scrollbar.LargeChange); break;
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case Keys.End: ScrollByAmount(int.MaxValue); break;
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case Keys.Home: ScrollByAmount(-int.MaxValue); break;
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case Keys.Enter: if(selection.Count > 0) OnItemDoubleClicked(selection[0]); break;
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}
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base.OnKeyDown(e);
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}
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#endregion
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#region ================== Updating Rectangles & Dimensions
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protected override void OnResize(EventArgs e)
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{
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base.OnResize(e);
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UpdateRectangles();
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//mxd
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if(selection.Count > 0) ScrollToItem(selection[0]);
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}
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internal void UpdateRectangles()
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{
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int w = ClientRectangle.Width - scrollbar.Width;
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int padhorz = classicview?13:2;
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int padvert = 2;
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int font = 4 + SystemFonts.MessageBoxFont.Height;
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int cx = 0;
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int cy = titleheight;
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int my = 0;
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rectangles.Clear();
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//
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ImageBrowserItemType currentType = ImageBrowserItemType.IMAGE; // initialized to random value
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bool currentUsedInMap = false;
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var firstItem = (items.Count > 0) ? items[0] : null;
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foreach (var ti in items)
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{
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Image preview = GetPreview(ti, imagesize);
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if (classicview && (ti == firstItem || ((currentType == ImageBrowserItemType.IMAGE) != (ti.ItemType == ImageBrowserItemType.IMAGE)) || (usedtexturesfirst && currentUsedInMap != ti.Icon.UsedInMap)))
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{
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// new row, also provide space for category name.
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cx = 0;
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cy += SystemFonts.MessageBoxFont.Height + 6 + my + ((ti != firstItem) ? 16 : 0);
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my = 0;
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currentType = ti.ItemType;
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currentUsedInMap = ti.Icon.UsedInMap;
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}
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int rw = w - cx;
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int wid = Math.Max((imagesize > 0 ? imagesize : preview.Width), ti.TextureNameWidth) + padhorz + padhorz;
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int hei = (imagesize > 0 ? imagesize : preview.Height) + padvert + padvert + font;
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// if we draw height below, add another font
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if (General.Settings.ShowTextureSizes && General.Settings.TextureSizesBelow && ti.ItemType == ImageBrowserItemType.IMAGE)
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hei += font;
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if(rw < wid)
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{
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// New row
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cx = 0;
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cy += my;
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my = 0;
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}
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my = Math.Max(my, hei);
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var rect = new Rectangle(cx + padhorz, cy + padvert, wid - padhorz - padhorz, hei - padvert - padvert - font);
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rectangles.Add(rect);
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cx += wid;
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}
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if(rectangles.Count > 0)
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{
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scrollbar.Maximum = cy + my;
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scrollbar.SmallChange = (imagesize > 0 ? imagesize : 128) + padvert + padvert + font;
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scrollbar.LargeChange = ClientRectangle.Height;
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scrollbar.Visible = (scrollbar.Maximum > ClientRectangle.Height);
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if(scrollbar.Value > scrollbar.Maximum - ClientRectangle.Height)
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{
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scrollbar.Value = Math.Max(0, scrollbar.Maximum - ClientRectangle.Height);
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}
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}
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else
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{
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scrollbar.Visible = false;
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}
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Refresh();
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}
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#endregion
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|
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#region ================== Rendering
|
|
|
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protected override void OnPaint(PaintEventArgs e)
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{
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base.OnPaint(e);
|
|
DrawTextures(e.Graphics);
|
|
}
|
|
|
|
private void DrawTextureHeader(Graphics g, string text, Rectangle rec, bool background)
|
|
{
|
|
bool blackbrowsers = (General.Settings != null && General.Settings.BlackBrowsers);
|
|
|
|
if (background)
|
|
{
|
|
// Draw group name bg
|
|
Color bgcolor = (blackbrowsers ? Color.Gray : SystemColors.Control);
|
|
using (Brush bg = new SolidBrush(Color.FromArgb(192, bgcolor)))
|
|
{
|
|
g.FillRectangle(bg, rec.X, rec.Y, rec.Width, rec.Height);
|
|
}
|
|
}
|
|
else
|
|
{
|
|
// Draw underline
|
|
Color underlinecolor = blackbrowsers ? Color.FromArgb(0x7FFFFFFF) : Color.FromArgb((SystemColors.ControlText.ToArgb()&0xFFFFFF)|0x7F000000);
|
|
g.DrawLine(new Pen(underlinecolor), rec.Left, rec.Bottom, rec.Right - 2, rec.Bottom);
|
|
}
|
|
|
|
// Draw group name
|
|
Brush fgbrush = (blackbrowsers ? Brushes.White : SystemBrushes.ControlText);
|
|
Font bf = new Font(SystemFonts.MessageBoxFont, FontStyle.Bold);
|
|
g.DrawString(text, bf, fgbrush, rec.X, rec.Y);
|
|
}
|
|
|
|
private void DrawTextures(Graphics g)
|
|
{
|
|
// Draw items
|
|
int scrollwidth = (scrollbar.Visible ? scrollbar.Width : 0);
|
|
|
|
if (items.Count > 0)
|
|
{
|
|
int y = scrollbar.Value;
|
|
int height = ClientRectangle.Height;
|
|
|
|
ImageBrowserItemType currentType = ImageBrowserItemType.IMAGE; // initialized to random value
|
|
bool currentUsedInMap = false;
|
|
|
|
ImageBrowserItem.SetBrushes(classicview, rectangles[0].X, rectangles[0].Y - y, rectangles[0].Width, rectangles[0].Height);
|
|
for (var i = 0; i < items.Count; i++)
|
|
{
|
|
if (classicview && (i == 0 || ((currentType == ImageBrowserItemType.IMAGE) != (items[i].ItemType == ImageBrowserItemType.IMAGE)) || (usedtexturesfirst && currentUsedInMap != items[i].Icon.UsedInMap)))
|
|
{
|
|
// draw corresponding title right above this item.
|
|
string hdrname;
|
|
if (items[i].ItemType == ImageBrowserItemType.IMAGE)
|
|
{
|
|
if (usedtexturesfirst && items[i].Icon.UsedInMap) hdrname = "Used " + contenttype + ":";
|
|
else hdrname = "All " + contenttype + ":";
|
|
}
|
|
else hdrname = "Directories:";
|
|
DrawTextureHeader(g, hdrname, new Rectangle(2, rectangles[i].Y - (SystemFonts.MessageBoxFont.Height + 6) - y, ClientRectangle.Width - scrollwidth - 4, SystemFonts.MessageBoxFont.Height), false);
|
|
currentType = items[i].ItemType;
|
|
currentUsedInMap = items[i].Icon.UsedInMap;
|
|
}
|
|
|
|
Rectangle rec = rectangles[i];
|
|
if(rec.Bottom < y) continue;
|
|
if(rec.Top > y + height) break;
|
|
|
|
Image bmp = GetPreview(items[i], imagesize);
|
|
items[i].Draw(g, bmp, rec.X, rec.Y - y, rec.Width, rec.Height, selection.Contains(items[i]), items[i].Icon.UsedInMap, classicview);
|
|
}
|
|
}
|
|
|
|
// Draw title on top of items
|
|
if(!string.IsNullOrEmpty(title) && !classicview)
|
|
{
|
|
DrawTextureHeader(g, title, new Rectangle(2, 2, ClientRectangle.Width - scrollwidth - 4, SystemFonts.MessageBoxFont.Height), true);
|
|
}
|
|
}
|
|
|
|
#endregion
|
|
|
|
#region ================== Image Caching
|
|
|
|
// [ZZ] used during resource reload.
|
|
public static void ClearCachedPreviews()
|
|
{
|
|
foreach (Dictionary<long, Image> imgdict in texturecache.Values)
|
|
foreach (Image img in imgdict.Values)
|
|
img.Dispose();
|
|
foreach (Dictionary<long, Image> imgdict in flatcache.Values)
|
|
foreach (Image img in imgdict.Values)
|
|
img.Dispose();
|
|
texturecache.Clear();
|
|
flatcache.Clear();
|
|
}
|
|
|
|
private static Image GetPreview(ImageBrowserItem item, int imagesize)
|
|
{
|
|
if(!item.IsPreviewLoaded) return item.Icon.GetPreview();
|
|
Dictionary<int, Dictionary<long, Image>> cache = item.Icon.IsFlat ? flatcache : texturecache;
|
|
|
|
if(!cache.ContainsKey(imagesize)) cache.Add(imagesize, new Dictionary<long, Image>());
|
|
|
|
// Generate preview?
|
|
// [ZZ] how does this work when texture images change?
|
|
if(!cache[imagesize].ContainsKey(item.Icon.LongName))
|
|
{
|
|
Image img = item.Icon.GetPreview();
|
|
|
|
// Determine preview size
|
|
float scalex, scaley;
|
|
if(item.ItemType == ImageBrowserItemType.IMAGE)
|
|
{
|
|
scalex = (imagesize == 0 ? 1.0f : (imagesize / (float)img.Width));
|
|
scaley = (imagesize == 0 ? 1.0f :(imagesize / (float)img.Height));
|
|
}
|
|
else
|
|
{
|
|
// Don't upscale folder icons
|
|
scalex = (imagesize == 0 ? 1.0f : ((img.Width > imagesize) ? (imagesize / (float)img.Width) : 1.0f));
|
|
scaley = (imagesize == 0 ? 1.0f : ((img.Height > imagesize) ? (imagesize / (float)img.Height) : 1.0f));
|
|
}
|
|
|
|
float scale = Math.Min(scalex, scaley);
|
|
int previewwidth = (int)(img.Width * scale);
|
|
int previewheight = (int)(img.Height * scale);
|
|
if(previewwidth < 1) previewwidth = 1;
|
|
if(previewheight < 1) previewheight = 1;
|
|
|
|
// Make new image
|
|
Bitmap preview = new Bitmap(previewwidth, previewheight, PixelFormat.Format32bppArgb);
|
|
using(Graphics g = Graphics.FromImage(preview))
|
|
{
|
|
g.PageUnit = GraphicsUnit.Pixel;
|
|
g.InterpolationMode = InterpolationMode.NearestNeighbor;
|
|
g.PixelOffsetMode = PixelOffsetMode.Half;
|
|
|
|
g.DrawImage(img, new Rectangle(0, 0, previewwidth, previewheight));
|
|
}
|
|
|
|
cache[imagesize][item.Icon.LongName] = preview;
|
|
}
|
|
|
|
// Get preview
|
|
return cache[imagesize][item.Icon.LongName];
|
|
}
|
|
|
|
#endregion
|
|
}
|
|
}
|