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add dark mode support, warnings for big dirs #45

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Jun 6, 2023
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add dark mode support, warnings for big dirs #45

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180 changes: 180 additions & 0 deletions NppNavigateTo/FormStyle.cs
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Original file line number Diff line number Diff line change
@@ -0,0 +1,180 @@
using Kbg.NppPluginNET.PluginInfrastructure;
using System;
using System.Drawing;
using System.Runtime.InteropServices;
using System.Windows.Forms;

namespace NavigateTo.Plugin.Namespace
{
public class FormStyle
{
public static Color SlightlyDarkControl = Color.FromArgb(
3 * SystemColors.Control.R / 4 + SystemColors.ControlDark.R / 4,
3 * SystemColors.Control.G / 4 + SystemColors.ControlDark.G / 4,
3 * SystemColors.Control.B / 4 + SystemColors.ControlDark.B / 4
);


/// <summary>
/// Changes the background and text color of the form
/// and any child forms to match the editor window.<br></br>
/// Fires when the form is first opened
/// and also whenever the style is changed.<br></br>
/// Heavily based on CsvQuery (https://github.com/jokedst/CsvQuery)
/// </summary>
public static void ApplyStyle(Control ctrl, bool use_npp_style, bool isDark = false)
{
if (ctrl == null || ctrl.IsDisposed) return;
int[] version = Main.notepad.GetNppVersion();
if (version[0] < 8)
use_npp_style = false; // trying to follow editor style looks weird for Notepad++ 7.3.3
if (ctrl is Form form)
{
foreach (Form childForm in form.OwnedForms)
{
ApplyStyle(childForm, use_npp_style, isDark);
}
}
Color backColor = Main.notepad.GetDefaultBackgroundColor();
Color foreColor = Main.notepad.GetDefaultForegroundColor();
Color InBetween = Color.FromArgb(
foreColor.R / 4 + 3 * backColor.R / 4,
foreColor.G / 4 + 3 * backColor.G / 4,
foreColor.B / 4 + 3 * backColor.B / 4
);
IntPtr themePtr = Main.notepad.GetDarkModeColors();
if (isDark && themePtr != IntPtr.Zero)
{
var theme = (DarkModeColors)Marshal.PtrToStructure(themePtr, typeof(DarkModeColors));
ctrl.BackColor = NppDarkMode.BGRToColor(theme.Background);
ctrl.ForeColor = NppDarkMode.BGRToColor(theme.Text);
foreach (Control child in ctrl.Controls)
{
// this doesn't actually make disabled controls have different colors
// windows forms don't make it easy for the user to choose the
// color of a disabled control. See https://stackoverflow.com/questions/136129/windows-forms-how-do-you-change-the-font-color-for-a-disabled-label
var textTheme = child.Enabled ? theme.Text : theme.DisabledText;
if (child is GroupBox)
ApplyStyle(child, use_npp_style, isDark);
else if (child is Button btn)
{
btn.BackColor = NppDarkMode.BGRToColor(theme.SofterBackground);
btn.ForeColor = NppDarkMode.BGRToColor(textTheme);
}
else if (child is LinkLabel llbl)
{
llbl.BackColor = NppDarkMode.BGRToColor(theme.PureBackground);
llbl.ForeColor = NppDarkMode.BGRToColor(textTheme);
llbl.LinkColor = NppDarkMode.BGRToColor(theme.LinkText);
llbl.ActiveLinkColor = NppDarkMode.BGRToColor(textTheme);
llbl.VisitedLinkColor = NppDarkMode.BGRToColor(theme.DarkerText);
}
// other common text-based controls
else if (child is TextBox
|| child is Label
|| child is ListBox
|| child is ComboBox)
{
child.BackColor = NppDarkMode.BGRToColor(theme.PureBackground);
child.ForeColor = NppDarkMode.BGRToColor(textTheme);
}
else if (child is TreeView tv)
{
tv.BackColor = NppDarkMode.BGRToColor(theme.HotBackground);
tv.ForeColor = NppDarkMode.BGRToColor(textTheme);
}
else if (child is DataGridView dgv)
{
// for reasons that I cannot fathom, everything EXCEPT the background gets correctly colored
// when you first open the form in dark mode.
// The background is untouched by the current style until you change to another style and then back,
// at which point the background remembers what color it's supposed to be. Very odd.
dgv.BackgroundColor = InBetween;
dgv.ForeColor = NppDarkMode.BGRToColor(textTheme);
dgv.GridColor = NppDarkMode.BGRToColor(theme.HotBackground);
dgv.RowHeadersDefaultCellStyle.ForeColor = NppDarkMode.BGRToColor(textTheme);
dgv.RowHeadersDefaultCellStyle.BackColor = NppDarkMode.BGRToColor(theme.PureBackground);
dgv.RowsDefaultCellStyle.ForeColor = NppDarkMode.BGRToColor(textTheme);
dgv.RowsDefaultCellStyle.BackColor = NppDarkMode.BGRToColor(theme.PureBackground);
}
else
{
// other controls I haven't thought of yet
child.BackColor = NppDarkMode.BGRToColor(theme.SofterBackground);
child.ForeColor = NppDarkMode.BGRToColor(textTheme);
}
}
Marshal.FreeHGlobal(themePtr);
return;
}
else if (!use_npp_style || (
backColor.R > 240 &&
backColor.G > 240 &&
backColor.B > 240))
{
// if the background is basically white,
// use the system defaults because they
// look best on a white or nearly white background
ctrl.BackColor = SystemColors.Control;
ctrl.ForeColor = SystemColors.ControlText;
foreach (Control child in ctrl.Controls)
{
if (child is GroupBox)
ApplyStyle(child, use_npp_style, isDark);
// controls containing text
else if (child is TextBox || child is ListBox || child is ComboBox || child is TreeView)
{
child.BackColor = SystemColors.Window; // white background
child.ForeColor = SystemColors.WindowText;
}
else if (child is LinkLabel llbl)
{
llbl.LinkColor = Color.Blue;
llbl.ActiveLinkColor = Color.Red;
llbl.VisitedLinkColor = Color.Purple;
}
else if (child is DataGridView dgv)
{
dgv.BackgroundColor = SystemColors.ControlDark;
dgv.ForeColor = SystemColors.ControlText;
dgv.GridColor = SystemColors.ControlDarkDark;
dgv.RowHeadersDefaultCellStyle.ForeColor = SystemColors.WindowText;
dgv.RowHeadersDefaultCellStyle.BackColor = SystemColors.Window;
dgv.RowsDefaultCellStyle.ForeColor = SystemColors.ControlText;
dgv.RowsDefaultCellStyle.BackColor = SystemColors.Window;
}
else
{
// buttons should be a bit darker but everything else is the same color as the background
child.BackColor = (child is Button) ? SlightlyDarkControl : SystemColors.Control;
child.ForeColor = SystemColors.ControlText;
}
}
return;
}
// use NPP styling for non-dark-mode
ctrl.BackColor = backColor;
foreach (Control child in ctrl.Controls)
{
child.BackColor = backColor;
child.ForeColor = foreColor;
if (child is LinkLabel llbl)
{
llbl.LinkColor = foreColor;
llbl.ActiveLinkColor = foreColor;
llbl.VisitedLinkColor = foreColor;
}
else if (child is DataGridView dgv)
{
dgv.BackgroundColor = InBetween;
dgv.ForeColor = foreColor;
dgv.GridColor = foreColor;
dgv.RowHeadersDefaultCellStyle.ForeColor = foreColor;
dgv.RowHeadersDefaultCellStyle.BackColor = backColor;
dgv.RowsDefaultCellStyle.ForeColor = foreColor;
dgv.RowsDefaultCellStyle.BackColor = backColor;
}
}
}
}
}
1 change: 1 addition & 0 deletions NppNavigateTo/Forms/AboutForm.cs
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Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -17,6 +17,7 @@ public AboutForm()
{
InitializeComponent();
Title.Text = $"NavigateTo v{AssemblyVersionString()}";
FormStyle.ApplyStyle(this, true, Main.notepad.IsDarkModeEnabled());
}

/// <summary>
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