mirror of
https://github.com/Leonmmcoset/CMLeonOS.git
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桌面环境：UILib增加Dropdown和增加APP：UILib Gallery
This commit is contained in:
@@ -1 +1 @@
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2026-03-25 20:01:57
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2026-03-25 20:24:01
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@@ -1 +1 @@
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a0eaf70
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a8ac938
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@@ -140,6 +140,7 @@ namespace CMLeonOS.Gui
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RegisterApp(new AppMetadata("Image Viewer", () => { return new ImageViewer(); }, Icons.Icon_Default, Color.FromArgb(25, 25, 25)));
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RegisterApp(new AppMetadata("MarkIt Viewer", () => { return new MarkItViewer(); }, Icons.Icon_Default, Color.FromArgb(25, 25, 25)));
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RegisterApp(new AppMetadata("Environment Variables", () => { return new EnvironmentVariables(); }, Icons.Icon_Default, Color.FromArgb(25, 25, 25)));
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RegisterApp(new AppMetadata("UILib Gallery", () => { return new UILibGallery(); }, Icons.Icon_Default, Color.FromArgb(25, 25, 25)));
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Logger.Logger.Instance.Info("AppManager", $"{AppMetadatas.Count} apps were registered.");
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323
Gui/Apps/UILibGallery.cs
Normal file
323
Gui/Apps/UILibGallery.cs
Normal file
@@ -0,0 +1,323 @@
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using CMLeonOS;
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using CMLeonOS.Gui.UILib;
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using System.Collections.Generic;
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using System.Drawing;
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namespace CMLeonOS.Gui.Apps
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{
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internal class UILibGallery : Process
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{
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internal UILibGallery() : base("UILib Gallery", ProcessType.Application) { }
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private AppWindow window;
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private Table categoryTable;
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private Window previewHost;
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private Window header;
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private readonly WindowManager wm = ProcessManager.GetProcess<WindowManager>();
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private readonly List<Window> demoWindows = new List<Window>();
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private FileBrowser fileBrowser;
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private string headerTitle = "UILib Gallery";
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private string headerDescription = "Browse and test the current UILib controls.";
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private const int sidebarWidth = 164;
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private const int headerHeight = 58;
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private void SetHeader(string title, string description)
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{
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headerTitle = title;
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headerDescription = description;
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RenderHeader();
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}
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private void RenderHeader()
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{
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header.Clear(Color.FromArgb(235, 241, 248));
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header.DrawRectangle(0, 0, header.Width, header.Height, Color.FromArgb(180, 192, 208));
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header.DrawString(headerTitle, Color.FromArgb(28, 38, 52), 12, 10);
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header.DrawString(headerDescription, Color.FromArgb(97, 110, 126), 12, 30);
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wm.Update(header);
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}
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private void ClearPreview()
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{
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for (int i = 0; i < demoWindows.Count; i++)
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{
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wm.RemoveWindow(demoWindows[i]);
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}
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demoWindows.Clear();
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previewHost.Clear(Color.FromArgb(250, 252, 255));
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previewHost.DrawRectangle(0, 0, previewHost.Width, previewHost.Height, Color.FromArgb(192, 204, 221));
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wm.Update(previewHost);
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}
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private void AddDemo(Window control)
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{
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demoWindows.Add(control);
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wm.AddWindow(control);
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}
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private void ShowButtonsDemo()
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{
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ClearPreview();
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SetHeader("Button", "Standard action buttons with theme colours and icon support.");
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TextBlock label = new TextBlock(previewHost, 20, 18, 360, 20);
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label.Text = "Buttons";
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label.Foreground = UITheme.TextPrimary;
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AddDemo(label);
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Button primary = new Button(previewHost, 20, 48, 120, 28);
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primary.Text = "Primary";
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primary.OnClick = (_, _) => SetHeader("Button", "Primary button clicked.");
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AddDemo(primary);
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Button success = new Button(previewHost, 152, 48, 120, 28);
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success.Text = "Success";
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success.Background = UITheme.Success;
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success.Border = Color.FromArgb(31, 110, 72);
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success.OnClick = (_, _) => SetHeader("Button", "Success button clicked.");
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AddDemo(success);
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Button neutral = new Button(previewHost, 284, 48, 120, 28);
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neutral.Text = "Neutral";
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neutral.Background = UITheme.SurfaceMuted;
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neutral.Border = UITheme.SurfaceBorder;
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neutral.Foreground = UITheme.TextPrimary;
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neutral.OnClick = (_, _) => SetHeader("Button", "Neutral button clicked.");
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AddDemo(neutral);
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ImageBlock iconPreview = new ImageBlock(previewHost, 20, 92, 32, 32);
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iconPreview.Image = AppManager.DefaultAppIcon.Resize(32, 32);
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AddDemo(iconPreview);
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}
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private void ShowInputsDemo()
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{
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ClearPreview();
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SetHeader("Input Controls", "Text input, checkbox, switch and slider controls.");
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TextBox textBox = new TextBox(previewHost, 20, 24, 220, 24);
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textBox.PlaceholderText = "Type something";
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textBox.Changed = () => SetHeader("Input Controls", "TextBox value changed.");
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AddDemo(textBox);
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TextBox multi = new TextBox(previewHost, 20, 58, 300, 86);
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multi.MultiLine = true;
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multi.Text = "Multi-line TextBox\nUILib demo";
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AddDemo(multi);
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CheckBox checkBox = new CheckBox(previewHost, 340, 24, 180, 20);
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checkBox.Text = "Enable feature";
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checkBox.CheckBoxChanged = (value) => SetHeader("Input Controls", value ? "CheckBox checked." : "CheckBox unchecked.");
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AddDemo(checkBox);
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Switch toggle = new Switch(previewHost, 340, 58, 180, 20);
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toggle.Text = "Animated switch";
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toggle.CheckBoxChanged = (value) => SetHeader("Input Controls", value ? "Switch enabled." : "Switch disabled.");
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AddDemo(toggle);
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RangeSlider slider = new RangeSlider(previewHost, 340, 96, 220, 30, 0f, 30f, 100f);
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slider.Changed = (value) => SetHeader("Input Controls", "RangeSlider value: " + ((int)value).ToString());
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AddDemo(slider);
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}
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private void ShowDropdownDemo()
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{
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ClearPreview();
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SetHeader("Dropdown", "Single-select dropdown list built on top of Table.");
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Dropdown dropdown = new Dropdown(previewHost, 20, 28, 200, 24);
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dropdown.PlaceholderText = "Choose a theme";
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dropdown.Items.Add("Ocean");
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dropdown.Items.Add("Sunrise");
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dropdown.Items.Add("Forest");
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dropdown.Items.Add("Mono");
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dropdown.RefreshItems();
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dropdown.SelectionChanged = (index, text) => SetHeader("Dropdown", "Selected item: " + text);
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AddDemo(dropdown);
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TextBlock info = new TextBlock(previewHost, 20, 66, 360, 20);
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info.Text = "Click the field to expand the dropdown.";
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info.Foreground = UITheme.TextSecondary;
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AddDemo(info);
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}
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private void ShowTableDemo()
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{
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ClearPreview();
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SetHeader("Table", "Selectable list/table control with scrolling and icons.");
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Table table = new Table(previewHost, 20, 24, 360, 180);
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table.CellHeight = 24;
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table.Cells.Add(new TableCell(AppManager.DefaultAppIcon.Resize(20, 20), "First Item", "First"));
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table.Cells.Add(new TableCell(AppManager.DefaultAppIcon.Resize(20, 20), "Second Item", "Second"));
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table.Cells.Add(new TableCell(AppManager.DefaultAppIcon.Resize(20, 20), "Third Item", "Third"));
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table.Cells.Add(new TableCell("Text-only row", "Text"));
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table.TableCellSelected = (index) =>
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{
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if (index >= 0 && index < table.Cells.Count)
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{
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SetHeader("Table", "Selected row: " + table.Cells[index].Text);
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}
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};
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table.Render();
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AddDemo(table);
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}
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private void ShowBarsDemo()
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{
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ClearPreview();
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SetHeader("Bars And Blocks", "ShortcutBar, TextBlock and ImageBlock examples.");
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ShortcutBar shortcutBar = new ShortcutBar(previewHost, 20, 20, 360, 24);
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shortcutBar.Background = UITheme.SurfaceMuted;
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shortcutBar.Foreground = UITheme.TextPrimary;
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shortcutBar.Cells.Add(new ShortcutBarCell("File", () => SetHeader("Bars And Blocks", "ShortcutBar: File")));
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shortcutBar.Cells.Add(new ShortcutBarCell("Edit", () => SetHeader("Bars And Blocks", "ShortcutBar: Edit")));
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shortcutBar.Cells.Add(new ShortcutBarCell("View", () => SetHeader("Bars And Blocks", "ShortcutBar: View")));
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shortcutBar.Render();
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AddDemo(shortcutBar);
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TextBlock centered = new TextBlock(previewHost, 20, 62, 220, 48);
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centered.Text = "Centered TextBlock";
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centered.Background = UITheme.AccentLight;
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centered.Foreground = UITheme.TextPrimary;
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centered.HorizontalAlignment = Alignment.Middle;
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centered.VerticalAlignment = Alignment.Middle;
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AddDemo(centered);
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ImageBlock image = new ImageBlock(previewHost, 260, 62, 48, 48);
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image.Image = AppManager.DefaultAppIcon.Resize(48, 48);
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image.Alpha = true;
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AddDemo(image);
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}
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private void ShowDialogsDemo()
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{
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ClearPreview();
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SetHeader("Dialogs", "Dialog-style components that open in separate windows.");
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Button messageButton = new Button(previewHost, 20, 28, 140, 28);
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messageButton.Text = "MessageBox";
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messageButton.OnClick = (_, _) =>
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{
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new MessageBox(this, "UILib Gallery", "This is a MessageBox demo.").Show();
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};
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AddDemo(messageButton);
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Button promptButton = new Button(previewHost, 172, 28, 140, 28);
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promptButton.Text = "PromptBox";
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promptButton.OnClick = (_, _) =>
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{
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PromptBox prompt = new PromptBox(this, "UILib Gallery", "Enter sample text.", "Hello", (value) =>
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{
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SetHeader("Dialogs", "Prompt result: " + (string.IsNullOrWhiteSpace(value) ? "(empty)" : value));
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});
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prompt.Show();
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};
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AddDemo(promptButton);
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Button fileBrowserButton = new Button(previewHost, 324, 28, 140, 28);
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fileBrowserButton.Text = "FileBrowser";
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fileBrowserButton.OnClick = (_, _) =>
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{
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fileBrowser = new FileBrowser(this, wm, (selectedPath) =>
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{
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SetHeader("Dialogs", "FileBrowser selected: " + (string.IsNullOrWhiteSpace(selectedPath) ? "(cancelled)" : selectedPath));
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});
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fileBrowser.Show();
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};
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AddDemo(fileBrowserButton);
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}
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private void CategorySelected(int index)
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{
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switch (index)
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{
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case 0:
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ShowButtonsDemo();
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break;
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case 1:
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ShowInputsDemo();
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break;
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case 2:
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ShowDropdownDemo();
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break;
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case 3:
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ShowTableDemo();
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break;
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case 4:
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ShowBarsDemo();
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break;
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case 5:
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ShowDialogsDemo();
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break;
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}
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}
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private void Relayout()
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{
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categoryTable.MoveAndResize(0, 0, sidebarWidth, window.Height);
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header.MoveAndResize(sidebarWidth, 0, window.Width - sidebarWidth, headerHeight);
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previewHost.MoveAndResize(sidebarWidth, headerHeight, window.Width - sidebarWidth, window.Height - headerHeight);
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categoryTable.Render();
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RenderHeader();
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ClearPreview();
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if (categoryTable.SelectedCellIndex < 0)
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{
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categoryTable.SelectedCellIndex = 0;
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}
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CategorySelected(categoryTable.SelectedCellIndex);
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}
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public override void Start()
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{
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base.Start();
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window = new AppWindow(this, 180, 110, 860, 520);
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window.Title = "UILib Gallery";
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window.Icon = AppManager.DefaultAppIcon;
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window.CanResize = true;
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window.UserResized = Relayout;
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window.Closing = TryStop;
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wm.AddWindow(window);
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categoryTable = new Table(window, 0, 0, sidebarWidth, window.Height);
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categoryTable.AllowDeselection = false;
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categoryTable.CellHeight = 26;
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categoryTable.TextAlignment = Alignment.Middle;
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categoryTable.Background = Color.FromArgb(242, 246, 252);
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categoryTable.Border = Color.FromArgb(182, 194, 210);
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categoryTable.SelectedBackground = Color.FromArgb(216, 231, 255);
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categoryTable.SelectedBorder = UITheme.Accent;
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categoryTable.SelectedForeground = UITheme.TextPrimary;
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categoryTable.TableCellSelected = CategorySelected;
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categoryTable.Cells.Add(new TableCell("Buttons"));
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categoryTable.Cells.Add(new TableCell("Inputs"));
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categoryTable.Cells.Add(new TableCell("Dropdown"));
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categoryTable.Cells.Add(new TableCell("Table"));
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categoryTable.Cells.Add(new TableCell("Bars && Blocks"));
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categoryTable.Cells.Add(new TableCell("Dialogs"));
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wm.AddWindow(categoryTable);
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header = new Window(this, window, sidebarWidth, 0, window.Width - sidebarWidth, headerHeight);
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wm.AddWindow(header);
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previewHost = new Window(this, window, sidebarWidth, headerHeight, window.Width - sidebarWidth, window.Height - headerHeight);
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wm.AddWindow(previewHost);
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categoryTable.SelectedCellIndex = 0;
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Relayout();
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wm.Update(window);
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}
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public override void Run()
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{
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}
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}
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}
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305
Gui/UILib/Dropdown.cs
Normal file
305
Gui/UILib/Dropdown.cs
Normal file
@@ -0,0 +1,305 @@
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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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namespace CMLeonOS.Gui.UILib
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{
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internal class Dropdown : Control
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{
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internal Dropdown(Window parent, int x, int y, int width, int height) : base(parent, x, y, width, height)
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{
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hostWindow = parent;
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OnClick = (_, _) => ToggleExpanded();
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OnUnfocused = Collapse;
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}
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private readonly Window hostWindow;
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private Window popupWindow;
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private Table popupTable;
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internal Action<int, string> SelectionChanged;
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internal List<string> Items { get; } = new List<string>();
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private string _placeholderText = "Select";
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||||
internal string PlaceholderText
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||||
{
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get
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{
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return _placeholderText;
|
||||
}
|
||||
set
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||||
{
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||||
_placeholderText = value ?? string.Empty;
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Render();
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||||
}
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||||
}
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||||
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private Color _background = UITheme.Surface;
|
||||
internal Color Background
|
||||
{
|
||||
get
|
||||
{
|
||||
return _background;
|
||||
}
|
||||
set
|
||||
{
|
||||
_background = value;
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||||
Render();
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||||
}
|
||||
}
|
||||
|
||||
private Color _foreground = UITheme.TextPrimary;
|
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internal Color Foreground
|
||||
{
|
||||
get
|
||||
{
|
||||
return _foreground;
|
||||
}
|
||||
set
|
||||
{
|
||||
_foreground = value;
|
||||
Render();
|
||||
}
|
||||
}
|
||||
|
||||
private Color _border = UITheme.SurfaceBorder;
|
||||
internal Color Border
|
||||
{
|
||||
get
|
||||
{
|
||||
return _border;
|
||||
}
|
||||
set
|
||||
{
|
||||
_border = value;
|
||||
Render();
|
||||
}
|
||||
}
|
||||
|
||||
private Color _highlight = UITheme.Accent;
|
||||
internal Color Highlight
|
||||
{
|
||||
get
|
||||
{
|
||||
return _highlight;
|
||||
}
|
||||
set
|
||||
{
|
||||
_highlight = value;
|
||||
Render();
|
||||
}
|
||||
}
|
||||
|
||||
private int _selectedIndex = -1;
|
||||
internal int SelectedIndex
|
||||
{
|
||||
get
|
||||
{
|
||||
return _selectedIndex;
|
||||
}
|
||||
set
|
||||
{
|
||||
int newIndex = value;
|
||||
if (newIndex < -1)
|
||||
{
|
||||
newIndex = -1;
|
||||
}
|
||||
if (newIndex >= Items.Count)
|
||||
{
|
||||
newIndex = Items.Count - 1;
|
||||
}
|
||||
|
||||
if (_selectedIndex != newIndex)
|
||||
{
|
||||
_selectedIndex = newIndex;
|
||||
Render();
|
||||
SyncPopupSelection();
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
internal string SelectedText
|
||||
{
|
||||
get
|
||||
{
|
||||
if (_selectedIndex < 0 || _selectedIndex >= Items.Count)
|
||||
{
|
||||
return string.Empty;
|
||||
}
|
||||
|
||||
return Items[_selectedIndex];
|
||||
}
|
||||
}
|
||||
|
||||
internal bool Expanded { get; private set; } = false;
|
||||
|
||||
internal int MaxVisibleItems { get; set; } = 6;
|
||||
|
||||
internal void RefreshItems()
|
||||
{
|
||||
if (_selectedIndex >= Items.Count)
|
||||
{
|
||||
_selectedIndex = Items.Count - 1;
|
||||
}
|
||||
|
||||
RebuildPopup();
|
||||
Render();
|
||||
}
|
||||
|
||||
private void ToggleExpanded()
|
||||
{
|
||||
if (Expanded)
|
||||
{
|
||||
Collapse();
|
||||
}
|
||||
else
|
||||
{
|
||||
Expand();
|
||||
}
|
||||
}
|
||||
|
||||
private void Expand()
|
||||
{
|
||||
if (Expanded)
|
||||
{
|
||||
return;
|
||||
}
|
||||
|
||||
Expanded = true;
|
||||
RebuildPopup();
|
||||
Render();
|
||||
}
|
||||
|
||||
internal void Collapse()
|
||||
{
|
||||
if (!Expanded)
|
||||
{
|
||||
return;
|
||||
}
|
||||
|
||||
Expanded = false;
|
||||
|
||||
if (popupTable != null)
|
||||
{
|
||||
WM.RemoveWindow(popupTable);
|
||||
popupTable = null;
|
||||
}
|
||||
if (popupWindow != null)
|
||||
{
|
||||
WM.RemoveWindow(popupWindow);
|
||||
popupWindow = null;
|
||||
}
|
||||
|
||||
Render();
|
||||
}
|
||||
|
||||
private void PopupSelected(int index)
|
||||
{
|
||||
if (index < 0 || index >= Items.Count)
|
||||
{
|
||||
return;
|
||||
}
|
||||
|
||||
_selectedIndex = index;
|
||||
Collapse();
|
||||
Render();
|
||||
SelectionChanged?.Invoke(_selectedIndex, Items[_selectedIndex]);
|
||||
}
|
||||
|
||||
private void SyncPopupSelection()
|
||||
{
|
||||
if (popupTable != null)
|
||||
{
|
||||
popupTable.SelectedCellIndex = _selectedIndex;
|
||||
}
|
||||
}
|
||||
|
||||
private void RebuildPopup()
|
||||
{
|
||||
if (!Expanded)
|
||||
{
|
||||
return;
|
||||
}
|
||||
|
||||
if (popupTable != null)
|
||||
{
|
||||
WM.RemoveWindow(popupTable);
|
||||
popupTable = null;
|
||||
}
|
||||
if (popupWindow != null)
|
||||
{
|
||||
WM.RemoveWindow(popupWindow);
|
||||
popupWindow = null;
|
||||
}
|
||||
|
||||
int visibleItems = Math.Max(1, Math.Min(MaxVisibleItems, Math.Max(1, Items.Count)));
|
||||
int popupHeight = Math.Max(24, visibleItems * 22);
|
||||
|
||||
popupWindow = new Window(Process, hostWindow, X, Y + Height, Width, popupHeight);
|
||||
popupWindow.Clear(UITheme.Surface);
|
||||
popupWindow.DrawRectangle(0, 0, popupWindow.Width, popupWindow.Height, Border);
|
||||
WM.AddWindow(popupWindow);
|
||||
|
||||
popupTable = new Table(popupWindow, 0, 0, popupWindow.Width, popupWindow.Height);
|
||||
popupTable.AllowDeselection = false;
|
||||
popupTable.CellHeight = 22;
|
||||
popupTable.Background = UITheme.Surface;
|
||||
popupTable.Foreground = Foreground;
|
||||
popupTable.Border = Border;
|
||||
popupTable.SelectedBackground = UITheme.AccentLight;
|
||||
popupTable.SelectedBorder = Highlight;
|
||||
popupTable.SelectedForeground = Foreground;
|
||||
popupTable.TableCellSelected = PopupSelected;
|
||||
|
||||
for (int i = 0; i < Items.Count; i++)
|
||||
{
|
||||
popupTable.Cells.Add(new TableCell(Items[i], i));
|
||||
}
|
||||
|
||||
popupTable.SelectedCellIndex = _selectedIndex;
|
||||
popupTable.Render();
|
||||
WM.AddWindow(popupTable);
|
||||
}
|
||||
|
||||
internal override void Render()
|
||||
{
|
||||
Clear(Background);
|
||||
DrawFilledRectangle(0, 0, Width, Height, Background);
|
||||
|
||||
Color frame = Expanded ? Highlight : Border;
|
||||
DrawRectangle(0, 0, Width, Height, frame);
|
||||
|
||||
string displayText = SelectedIndex >= 0 ? SelectedText : PlaceholderText;
|
||||
Color textColor = SelectedIndex >= 0 ? Foreground : UITheme.TextSecondary;
|
||||
|
||||
int maxChars = Math.Max(1, (Width - 24) / 8);
|
||||
if (displayText.Length > maxChars)
|
||||
{
|
||||
displayText = displayText.Substring(0, Math.Max(1, maxChars - 1)) + "~";
|
||||
}
|
||||
|
||||
DrawString(displayText, textColor, 6, (Height / 2) - 8);
|
||||
|
||||
int arrowCenterX = Width - 12;
|
||||
int arrowCenterY = Height / 2;
|
||||
DrawLine(arrowCenterX - 4, arrowCenterY - 2, arrowCenterX, arrowCenterY + 2, textColor);
|
||||
DrawLine(arrowCenterX, arrowCenterY + 2, arrowCenterX + 4, arrowCenterY - 2, textColor);
|
||||
|
||||
if (Expanded && popupWindow != null)
|
||||
{
|
||||
popupWindow.MoveAndResize(X, Y + Height, Width, popupWindow.Height, sendWMEvent: false);
|
||||
if (popupTable != null)
|
||||
{
|
||||
popupTable.MoveAndResize(0, 0, popupWindow.Width, popupWindow.Height, sendWMEvent: false);
|
||||
popupTable.Render();
|
||||
}
|
||||
popupWindow.Clear(UITheme.Surface);
|
||||
popupWindow.DrawRectangle(0, 0, popupWindow.Width, popupWindow.Height, Border);
|
||||
WM.Update(popupWindow);
|
||||
}
|
||||
|
||||
WM.Update(this);
|
||||
}
|
||||
}
|
||||
}
|
||||
Reference in New Issue
Block a user