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Clamp window position and size within screen bounds during drag/resize and ghsot window rending fixes

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Stone_Red
2026-06-10 02:55:13 +02:00
parent b3c98b1b1d
commit f2fd0d9c91
4 changed files with 42 additions and 11 deletions
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UI/GUI/Windows/Window.cs
+11 -5
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@@ -1,3 +1,4 @@
using Cosmos.Kernel.System.Graphics;
using RemSox.UI.GUI.Rendering;
using RemSox.UI.GUI.UIEelements;
@@ -288,18 +289,21 @@ public sealed class Window(string title, int processId, int id, IRenderSource re
/// <summary>
/// Updates the drag or resize interaction based on the current pointer position.
/// </summary>
public void UpdateInteraction(Point pointerPosition)
public void UpdateInteraction(Point pointerPosition, Point screenSize)
{
if (currentInteraction == InteractionMode.Drag)
{
int newX = pointerPosition.X - dragOffset.X;
int newY = pointerPosition.Y - dragOffset.Y;
// Cosmos DrawCanvas fails to render if coordinates are negative.
// Clamp to 0,0 to prevent the window from disappearing.
// Clamp left and top edges
newX = Math.Max(0, newX);
newY = Math.Max(0, newY);
// Clamp right and bottom edges
newX = Math.Min(screenSize.X - Size.Width, newX);
newY = Math.Min(screenSize.Y - Size.Height, newY);
Position = new Point(newX, newY);
Flush();
}
@@ -319,24 +323,26 @@ public sealed class Window(string title, int processId, int id, IRenderSource re
if (currentInteraction is InteractionMode.ResizeRight or InteractionMode.ResizeBottomRight or InteractionMode.ResizeTopRight)
{
newW = Math.Max(minWidth, interactionStartBounds.Width + dx);
newW = Math.Min(newW, screenSize.X - newX);
}
if (currentInteraction is InteractionMode.ResizeBottom or InteractionMode.ResizeBottomRight or InteractionMode.ResizeBottomLeft)
{
newH = Math.Max(minHeight, interactionStartBounds.Height + dy);
newH = Math.Min(newH, screenSize.Y - newY);
}
if (currentInteraction is InteractionMode.ResizeLeft or InteractionMode.ResizeBottomLeft or InteractionMode.ResizeTopLeft)
{
int maxDx = interactionStartBounds.Width - minWidth;
int clampedDx = Math.Min(dx, maxDx);
newX = Math.Max(0, interactionStartBounds.X + clampedDx);
newW = interactionStartBounds.Width - clampedDx;
newW = (interactionStartBounds.X + interactionStartBounds.Width) - newX;
}
if (currentInteraction is InteractionMode.ResizeTop or InteractionMode.ResizeTopLeft or InteractionMode.ResizeTopRight)
{
int maxDy = interactionStartBounds.Height - minHeight;
int clampedDy = Math.Min(dy, maxDy);
newY = Math.Max(0, interactionStartBounds.Y + clampedDy);
newH = interactionStartBounds.Height - clampedDy;
newH = (interactionStartBounds.Y + interactionStartBounds.Height) - newY;
}
Position = new Point(newX, newY);