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重写桌面环境内存过低报错，给桌面环境登陆页面支持多主题

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Leonmmcoset
2026-03-28 22:25:25 +08:00
parent e9d4ae3094
commit 78bda7c118
5 changed files with 274 additions and 56 deletions
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117
Gui/ShellComponents/Lock.cs
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@@ -69,29 +69,90 @@ namespace CMLeonOS.Gui.ShellComponents
private const int logOnButtonY = passwordY + 44;
private const int logOnButtonHeight = 38;
private readonly Color windowBackground = Color.FromArgb(232, 238, 246);
private readonly Color outerBorder = Color.FromArgb(169, 181, 198);
private readonly Color leftPanel = Color.FromArgb(34, 53, 84);
private readonly Color leftPanelAccent = Color.FromArgb(74, 124, 201);
private readonly Color leftPanelSoft = Color.FromArgb(53, 77, 116);
private readonly Color rightPanel = Color.FromArgb(247, 250, 253);
private readonly Color titleColor = Color.FromArgb(28, 39, 56);
private readonly Color bodyColor = Color.FromArgb(92, 103, 119);
private readonly Color hintColor = Color.FromArgb(132, 142, 156);
private readonly Color inputBackground = Color.White;
private readonly Color inputForeground = Color.FromArgb(31, 42, 55);
private readonly Color selectionBackground = Color.FromArgb(223, 236, 255);
private readonly Color selectionBorder = Color.FromArgb(91, 140, 223);
private readonly Color primaryButton = Color.FromArgb(53, 111, 214);
private readonly Color primaryButtonBorder = Color.FromArgb(33, 83, 171);
private readonly Color primaryButtonText = Color.White;
private Color windowBackground;
private Color outerBorder;
private Color leftPanel;
private Color leftPanelAccent;
private Color leftPanelSoft;
private Color rightPanel;
private Color titleColor;
private Color bodyColor;
private Color hintColor;
private Color inputBackground;
private Color inputForeground;
private Color selectionBackground;
private Color selectionBorder;
private Color primaryButton;
private Color primaryButtonBorder;
private Color primaryButtonText;
private double shakiness = 0;
private List<User> users = new List<User>();
private static Color Blend(Color a, Color b, float t)
{
if (t < 0f) t = 0f;
if (t > 1f) t = 1f;
return Color.FromArgb(
(int)(a.R + (b.R - a.R) * t),
(int)(a.G + (b.G - a.G) * t),
(int)(a.B + (b.B - a.B) * t)
);
}
private void SyncThemeColors()
{
windowBackground = UITheme.Surface;
outerBorder = UITheme.SurfaceBorder;
rightPanel = UITheme.Surface;
titleColor = UITheme.TextPrimary;
bodyColor = UITheme.TextSecondary;
hintColor = UITheme.TextSecondary;
inputBackground = UITheme.Surface;
inputForeground = UITheme.TextPrimary;
selectionBackground = UITheme.AccentLight;
selectionBorder = UITheme.Accent;
primaryButton = UITheme.Accent;
primaryButtonBorder = UITheme.AccentDark;
primaryButtonText = UITheme.WindowTitleText;
leftPanel = Blend(UITheme.WindowTitleBackground, Color.Black, 0.28f);
leftPanelAccent = UITheme.Accent;
leftPanelSoft = Blend(leftPanel, UITheme.Accent, 0.32f);
}
private void ApplyThemeToControls()
{
if (userTable != null)
{
userTable.Background = inputBackground;
userTable.Foreground = inputForeground;
userTable.Border = outerBorder;
userTable.SelectedBackground = selectionBackground;
userTable.SelectedForeground = inputForeground;
userTable.SelectedBorder = selectionBorder;
}
if (passwordBox != null)
{
passwordBox.Background = inputBackground;
passwordBox.Foreground = inputForeground;
passwordBox.PlaceholderForeground = hintColor;
}
if (logOnButton != null)
{
logOnButton.Background = primaryButton;
logOnButton.Border = primaryButtonBorder;
logOnButton.Foreground = primaryButtonText;
}
}
private void RenderBackground()
{
SyncThemeColors();
window.Clear(windowBackground);
window.DrawRectangle(0, 0, width, height, outerBorder);
@@ -104,21 +165,21 @@ namespace CMLeonOS.Gui.ShellComponents
window.DrawFilledRectangle(rightX, 0, rightWidth, height, rightPanel);
window.DrawFilledRectangle(20, 22, 56, 56, leftPanelSoft);
window.DrawRectangle(20, 22, 56, 56, Color.FromArgb(109, 149, 214));
window.DrawRectangle(20, 22, 56, 56, Blend(leftPanelAccent, Color.White, 0.25f));
window.DrawImageAlpha(Images.Icon_Key, 32, 34);
window.DrawString("Welcome Back", Color.White, 20, 96);
window.DrawString("CMLeonOS Desktop", Color.FromArgb(190, 208, 233), 20, 120);
window.DrawString("Welcome Back", UITheme.WindowTitleText, 20, 96);
window.DrawString("CMLeonOS Desktop", Blend(UITheme.WindowTitleText, leftPanel, 0.45f), 20, 120);
string selectedUserName = GetSelectedUser()?.Username ?? "Guest";
window.DrawString("Selected account", Color.FromArgb(171, 190, 217), 20, 168);
window.DrawString(selectedUserName, Color.White, 20, 190);
window.DrawString(GetSelectedUserSubtitle(), Color.FromArgb(176, 197, 224), 20, 214);
window.DrawString("Selected account", Blend(UITheme.WindowTitleText, leftPanel, 0.55f), 20, 168);
window.DrawString(selectedUserName, UITheme.WindowTitleText, 20, 190);
window.DrawString(GetSelectedUserSubtitle(), Blend(UITheme.WindowTitleText, leftPanel, 0.5f), 20, 214);
window.DrawFilledRectangle(20, height - 72, leftWidth - 40, 44, leftPanelSoft);
window.DrawRectangle(20, height - 72, leftWidth - 40, 44, Color.FromArgb(88, 118, 171));
window.DrawString("Tip: type password.", Color.White, 32, height - 62);
window.DrawString("Press Enter to sign in.", Color.FromArgb(190, 208, 233), 32, height - 44);
window.DrawRectangle(20, height - 72, leftWidth - 40, 44, Blend(leftPanelAccent, Color.White, 0.2f));
window.DrawString("Tip: type password.", UITheme.WindowTitleText, 32, height - 62);
window.DrawString("Press Enter to sign in.", Blend(UITheme.WindowTitleText, leftPanelSoft, 0.4f), 32, height - 44);
int rightContentX = leftWidth + rightContentPadding;
window.DrawString("Sign in", titleColor, rightContentX, 28);
@@ -127,7 +188,7 @@ namespace CMLeonOS.Gui.ShellComponents
window.DrawString("Accounts", hintColor, rightContentX, accountsLabelY);
window.DrawString("Password", hintColor, rightContentX, passwordLabelY);
window.DrawString("Secure local session", Color.FromArgb(118, 128, 141), rightContentX, height - rightContentBottomPadding);
window.DrawString("Secure local session", hintColor, rightContentX, height - rightContentBottomPadding);
}
@@ -160,6 +221,7 @@ namespace CMLeonOS.Gui.ShellComponents
private void RefreshLayout()
{
RenderBackground();
ApplyThemeToControls();
wm.Update(window);
}
@@ -265,6 +327,7 @@ namespace CMLeonOS.Gui.ShellComponents
wm.AddWindow(window);
RenderBackground();
SyncThemeColors();
int contentX = leftPanelWidth + rightContentPadding;
int contentWidth = width - contentX - rightContentPadding;
@@ -273,7 +336,7 @@ namespace CMLeonOS.Gui.ShellComponents
userTable.CellHeight = 40;
userTable.Background = inputBackground;
userTable.Foreground = inputForeground;
userTable.Border = Color.FromArgb(203, 212, 224);
userTable.Border = outerBorder;
userTable.SelectedBackground = selectionBackground;
userTable.SelectedForeground = inputForeground;
userTable.SelectedBorder = selectionBorder;