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Auto theme change

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This commit is contained in:
seerge
2023-03-20 16:42:51 +01:00
parent d82f1c8d70
commit 1cd808de07
7 changed files with 112 additions and 46 deletions
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32
app/CustomControls.cs
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@@ -1,11 +1,10 @@
using GHelper;
using System.ComponentModel;
using System.ComponentModel;
using System.Drawing.Drawing2D;
using System.Runtime.InteropServices;
namespace CustomControls
{
public class RForm : Form
{
@@ -16,15 +15,31 @@ namespace CustomControls
[DllImport("UXTheme.dll", SetLastError = true, EntryPoint = "#138")]
public static extern bool CheckSystemDarkModeStatus();
public static bool darkTheme = CheckSystemDarkModeStatus();
[DllImport("DwmApi")] //System.Runtime.InteropServices
private static extern int DwmSetWindowAttribute(IntPtr hwnd, int attr, int[] attrValue, int attrSize);
protected override void OnHandleCreated(EventArgs e)
protected bool _darkTheme;
public bool invert = false;
public bool DarkTheme
{
if (darkTheme && DwmSetWindowAttribute(Handle, 19, new[] { 1 }, 4) != 0)
DwmSetWindowAttribute(Handle, 20, new[] { 1 }, 4);
get { return _darkTheme; }
set
{
if (_darkTheme != value)
{
_darkTheme = value;
invert = true;
}
}
}
public void InitTheme()
{
DarkTheme = CheckSystemDarkModeStatus();
ControlHelper.Adjust(this, 2);
DwmSetWindowAttribute(this.Handle, 20, new[] { DarkTheme ? 1 : 0 }, 4);
}
}
@@ -290,7 +305,8 @@ namespace CustomControls
if (!Enabled && ForeColor != SystemColors.ControlText)
{
var rect = pevent.ClipRectangle;
if (Image is not null) {
if (Image is not null)
{
rect.Y += Image.Height;
rect.Height -= Image.Height;
}