open-maui/OpenMaui
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Gesture support

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This commit is contained in:
David H. Friedel Jr.
2026-01-17 02:48:59 +00:00
parent 5a915ca06a
commit 5443c7c22a
5 changed files with 333 additions and 9 deletions
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38
LinuxApplication.cs
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@@ -929,16 +929,31 @@ public class LinuxApplication : IDisposable
}
}
private void OnGtkScrolled(object? sender, (double X, double Y, double DeltaX, double DeltaY) e)
private void OnGtkScrolled(object? sender, (double X, double Y, double DeltaX, double DeltaY, uint State) e)
{
if (_rootView == null) return;
// Convert GDK state to KeyModifiers
var modifiers = ConvertGdkStateToModifiers(e.State);
bool isCtrlPressed = (modifiers & KeyModifiers.Control) != 0;
var hitView = _rootView.HitTest((float)e.X, (float)e.Y);
// Check for pinch gesture (Ctrl+Scroll) first
if (isCtrlPressed && hitView?.MauiView != null)
{
if (Handlers.GestureManager.ProcessScrollAsPinch(hitView.MauiView, e.X, e.Y, e.DeltaY, true))
{
_gtkWindow?.RequestRedraw();
return;
}
}
while (hitView != null)
{
if (hitView is SkiaScrollView scrollView)
{
var args = new ScrollEventArgs((float)e.X, (float)e.Y, (float)e.DeltaX, (float)e.DeltaY);
var args = new ScrollEventArgs((float)e.X, (float)e.Y, (float)e.DeltaX, (float)e.DeltaY, modifiers);
scrollView.OnScroll(args);
_gtkWindow?.RequestRedraw();
break;
@@ -947,6 +962,25 @@ public class LinuxApplication : IDisposable
}
}
private static KeyModifiers ConvertGdkStateToModifiers(uint state)
{
var modifiers = KeyModifiers.None;
// GDK modifier masks
const uint GDK_SHIFT_MASK = 1 << 0;
const uint GDK_CONTROL_MASK = 1 << 2;
const uint GDK_MOD1_MASK = 1 << 3; // Alt
const uint GDK_SUPER_MASK = 1 << 26;
const uint GDK_LOCK_MASK = 1 << 1; // Caps Lock
if ((state & GDK_SHIFT_MASK) != 0) modifiers |= KeyModifiers.Shift;
if ((state & GDK_CONTROL_MASK) != 0) modifiers |= KeyModifiers.Control;
if ((state & GDK_MOD1_MASK) != 0) modifiers |= KeyModifiers.Alt;
if ((state & GDK_SUPER_MASK) != 0) modifiers |= KeyModifiers.Super;
if ((state & GDK_LOCK_MASK) != 0) modifiers |= KeyModifiers.CapsLock;
return modifiers;
}
private void OnGtkTextInput(object? sender, string text)
{
if (_focusedView != null)