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Merge pull request #45 from molsonkiko/dark_mode_support
add dark mode support, warnings for big dirs
2 parents d501926 + ba9f279 commit 790f500

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‎NppNavigateTo/FormStyle.cs‎

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using Kbg.NppPluginNET.PluginInfrastructure;
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using System;
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using System.Drawing;
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using System.Runtime.InteropServices;
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using System.Windows.Forms;
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namespace NavigateTo.Plugin.Namespace
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{
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public class FormStyle
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{
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public static Color SlightlyDarkControl = Color.FromArgb(
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3 * SystemColors.Control.R / 4 + SystemColors.ControlDark.R / 4,
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3 * SystemColors.Control.G / 4 + SystemColors.ControlDark.G / 4,
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3 * SystemColors.Control.B / 4 + SystemColors.ControlDark.B / 4
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);
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/// <summary>
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/// Changes the background and text color of the form
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/// and any child forms to match the editor window.<br></br>
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/// Fires when the form is first opened
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/// and also whenever the style is changed.<br></br>
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/// Heavily based on CsvQuery (https://github.com/jokedst/CsvQuery)
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/// </summary>
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public static void ApplyStyle(Control ctrl, bool use_npp_style, bool isDark = false)
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{
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if (ctrl == null || ctrl.IsDisposed) return;
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int[] version = Main.notepad.GetNppVersion();
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if (version[0] < 8)
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use_npp_style = false; // trying to follow editor style looks weird for Notepad++ 7.3.3
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if (ctrl is Form form)
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{
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foreach (Form childForm in form.OwnedForms)
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{
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ApplyStyle(childForm, use_npp_style, isDark);
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}
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}
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Color backColor = Main.notepad.GetDefaultBackgroundColor();
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Color foreColor = Main.notepad.GetDefaultForegroundColor();
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Color InBetween = Color.FromArgb(
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foreColor.R / 4 + 3 * backColor.R / 4,
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foreColor.G / 4 + 3 * backColor.G / 4,
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foreColor.B / 4 + 3 * backColor.B / 4
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);
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IntPtr themePtr = Main.notepad.GetDarkModeColors();
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if (isDark && themePtr != IntPtr.Zero)
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{
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var theme = (DarkModeColors)Marshal.PtrToStructure(themePtr, typeof(DarkModeColors));
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ctrl.BackColor = NppDarkMode.BGRToColor(theme.Background);
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ctrl.ForeColor = NppDarkMode.BGRToColor(theme.Text);
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foreach (Control child in ctrl.Controls)
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{
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// this doesn't actually make disabled controls have different colors
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// windows forms don't make it easy for the user to choose the
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// color of a disabled control. See https://stackoverflow.com/questions/136129/windows-forms-how-do-you-change-the-font-color-for-a-disabled-label
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var textTheme = child.Enabled ? theme.Text : theme.DisabledText;
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if (child is GroupBox)
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ApplyStyle(child, use_npp_style, isDark);
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else if (child is Button btn)
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{
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btn.BackColor = NppDarkMode.BGRToColor(theme.SofterBackground);
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btn.ForeColor = NppDarkMode.BGRToColor(textTheme);
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}
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else if (child is LinkLabel llbl)
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{
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llbl.BackColor = NppDarkMode.BGRToColor(theme.PureBackground);
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llbl.ForeColor = NppDarkMode.BGRToColor(textTheme);
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llbl.LinkColor = NppDarkMode.BGRToColor(theme.LinkText);
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llbl.ActiveLinkColor = NppDarkMode.BGRToColor(textTheme);
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llbl.VisitedLinkColor = NppDarkMode.BGRToColor(theme.DarkerText);
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}
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// other common text-based controls
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else if (child is TextBox
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|| child is Label
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|| child is ListBox
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|| child is ComboBox)
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{
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child.BackColor = NppDarkMode.BGRToColor(theme.PureBackground);
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child.ForeColor = NppDarkMode.BGRToColor(textTheme);
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}
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else if (child is TreeView tv)
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{
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tv.BackColor = NppDarkMode.BGRToColor(theme.HotBackground);
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tv.ForeColor = NppDarkMode.BGRToColor(textTheme);
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}
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else if (child is DataGridView dgv)
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{
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// for reasons that I cannot fathom, everything EXCEPT the background gets correctly colored
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// when you first open the form in dark mode.
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// The background is untouched by the current style until you change to another style and then back,
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// at which point the background remembers what color it's supposed to be. Very odd.
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dgv.BackgroundColor = InBetween;
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dgv.ForeColor = NppDarkMode.BGRToColor(textTheme);
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dgv.GridColor = NppDarkMode.BGRToColor(theme.HotBackground);
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dgv.RowHeadersDefaultCellStyle.ForeColor = NppDarkMode.BGRToColor(textTheme);
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dgv.RowHeadersDefaultCellStyle.BackColor = NppDarkMode.BGRToColor(theme.PureBackground);
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dgv.RowsDefaultCellStyle.ForeColor = NppDarkMode.BGRToColor(textTheme);
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dgv.RowsDefaultCellStyle.BackColor = NppDarkMode.BGRToColor(theme.PureBackground);
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}
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else
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{
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// other controls I haven't thought of yet
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child.BackColor = NppDarkMode.BGRToColor(theme.SofterBackground);
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child.ForeColor = NppDarkMode.BGRToColor(textTheme);
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}
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}
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Marshal.FreeHGlobal(themePtr);
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return;
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}
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else if (!use_npp_style || (
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backColor.R > 240 &&
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backColor.G > 240 &&
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backColor.B > 240))
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{
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// if the background is basically white,
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// use the system defaults because they
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// look best on a white or nearly white background
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ctrl.BackColor = SystemColors.Control;
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ctrl.ForeColor = SystemColors.ControlText;
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foreach (Control child in ctrl.Controls)
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{
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if (child is GroupBox)
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ApplyStyle(child, use_npp_style, isDark);
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// controls containing text
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else if (child is TextBox || child is ListBox || child is ComboBox || child is TreeView)
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{
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child.BackColor = SystemColors.Window; // white background
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child.ForeColor = SystemColors.WindowText;
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}
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else if (child is LinkLabel llbl)
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{
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llbl.LinkColor = Color.Blue;
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llbl.ActiveLinkColor = Color.Red;
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llbl.VisitedLinkColor = Color.Purple;
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}
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else if (child is DataGridView dgv)
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{
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dgv.BackgroundColor = SystemColors.ControlDark;
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dgv.ForeColor = SystemColors.ControlText;
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dgv.GridColor = SystemColors.ControlDarkDark;
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dgv.RowHeadersDefaultCellStyle.ForeColor = SystemColors.WindowText;
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dgv.RowHeadersDefaultCellStyle.BackColor = SystemColors.Window;
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dgv.RowsDefaultCellStyle.ForeColor = SystemColors.ControlText;
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dgv.RowsDefaultCellStyle.BackColor = SystemColors.Window;
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}
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else
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{
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// buttons should be a bit darker but everything else is the same color as the background
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child.BackColor = (child is Button) ? SlightlyDarkControl : SystemColors.Control;
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child.ForeColor = SystemColors.ControlText;
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}
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}
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return;
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}
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// use NPP styling for non-dark-mode
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ctrl.BackColor = backColor;
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foreach (Control child in ctrl.Controls)
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{
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child.BackColor = backColor;
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child.ForeColor = foreColor;
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if (child is LinkLabel llbl)
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{
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llbl.LinkColor = foreColor;
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llbl.ActiveLinkColor = foreColor;
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llbl.VisitedLinkColor = foreColor;
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}
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else if (child is DataGridView dgv)
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{
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dgv.BackgroundColor = InBetween;
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dgv.ForeColor = foreColor;
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dgv.GridColor = foreColor;
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dgv.RowHeadersDefaultCellStyle.ForeColor = foreColor;
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dgv.RowHeadersDefaultCellStyle.BackColor = backColor;
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dgv.RowsDefaultCellStyle.ForeColor = foreColor;
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dgv.RowsDefaultCellStyle.BackColor = backColor;
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}
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}
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}
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}
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}

‎NppNavigateTo/Forms/AboutForm.cs‎

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{
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InitializeComponent();
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Title.Text = $"NavigateTo v{AssemblyVersionString()}";
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FormStyle.ApplyStyle(this, true, Main.notepad.IsDarkModeEnabled());
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}
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/// <summary>

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