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Per window DPI

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This commit is contained in:
stefnotch
2021-02-07 17:26:41 +01:00
parent 28f53339e7
commit f5b48e03e9
16 changed files with 98 additions and 41 deletions
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18
Source/Engine/Platform/Base/WindowBase.h
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@@ -281,6 +281,8 @@ protected:
String _title;
CursorType _cursor;
Vector2 _clientSize;
int _dpi;
float _dpiScale;
Vector2 _trackingMouseOffset;
bool _isUsingMouseOffset;
@@ -541,6 +543,22 @@ public:
/// <returns>The screen space position.</returns>
API_FUNCTION() virtual Vector2 ClientToScreen(const Vector2& clientPos) const = 0;
/// <summary>
/// Gets the window DPI setting.
/// </summary>
API_PROPERTY() int GetDpi() const
{
return _dpi;
}
// TODO: This doesn't actually include the custom DPI scale
/// <summary>
/// Gets the window DPI scale factor (1 is default). Includes custom DPI scale
/// </summary>
API_PROPERTY() float GetDpiScale() const
{
return Platform::CustomDpiScale * _dpiScale;
}
public:
/// <summary>

31
Source/Engine/Platform/Window.cs
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@@ -7,8 +7,6 @@ namespace FlaxEngine
{
partial class Window
{
internal float _dpiScale;
/// <summary>
/// Window closing delegate.
/// </summary>
@@ -176,7 +174,6 @@ namespace FlaxEngine
private Window()
{
GUI = new WindowRootControl(this);
_dpiScale = Platform.DpiScale;
}
internal void Internal_OnShow()
@@ -192,7 +189,7 @@ namespace FlaxEngine
internal void Internal_OnDraw()
{
Matrix3x3.Scaling(_dpiScale, out var scale);
Matrix3x3.Scaling(DpiScale, out var scale);
Render2D.PushTransform(ref scale);
GUI.Draw();
Render2D.PopTransform();
@@ -200,7 +197,7 @@ namespace FlaxEngine
internal void Internal_OnResize(int width, int height)
{
GUI.Size = new Vector2(width / _dpiScale, height / _dpiScale);
GUI.Size = new Vector2(width / DpiScale, height / DpiScale);
}
internal void Internal_OnCharInput(char c)
@@ -223,7 +220,7 @@ namespace FlaxEngine
internal void Internal_OnMouseDown(ref Vector2 mousePos, MouseButton button)
{
Vector2 pos = mousePos / _dpiScale;
Vector2 pos = mousePos / DpiScale;
bool handled = false;
MouseDown?.Invoke(ref pos, button, ref handled);
@@ -235,7 +232,7 @@ namespace FlaxEngine
internal void Internal_OnMouseUp(ref Vector2 mousePos, MouseButton button)
{
Vector2 pos = mousePos / _dpiScale;
Vector2 pos = mousePos / DpiScale;
bool handled = false;
MouseUp?.Invoke(ref pos, button, ref handled);
@@ -247,7 +244,7 @@ namespace FlaxEngine
internal void Internal_OnMouseDoubleClick(ref Vector2 mousePos, MouseButton button)
{
Vector2 pos = mousePos / _dpiScale;
Vector2 pos = mousePos / DpiScale;
bool handled = false;
MouseDoubleClick?.Invoke(ref pos, button, ref handled);
@@ -259,7 +256,7 @@ namespace FlaxEngine
internal void Internal_OnMouseWheel(ref Vector2 mousePos, float delta)
{
Vector2 pos = mousePos / _dpiScale;
Vector2 pos = mousePos / DpiScale;
bool handled = false;
MouseWheel?.Invoke(ref pos, delta, ref handled);
@@ -271,7 +268,7 @@ namespace FlaxEngine
internal void Internal_OnMouseMove(ref Vector2 mousePos)
{
Vector2 pos = mousePos / _dpiScale;
Vector2 pos = mousePos / DpiScale;
MouseMove?.Invoke(ref pos);
GUI.OnMouseMove(pos);
@@ -285,7 +282,7 @@ namespace FlaxEngine
internal void Internal_OnTouchDown(ref Vector2 pointerPosition, int pointerId)
{
Vector2 pos = pointerPosition / _dpiScale;
Vector2 pos = pointerPosition / DpiScale;
bool handled = false;
TouchDown?.Invoke(ref pos, pointerId, ref handled);
@@ -297,7 +294,7 @@ namespace FlaxEngine
internal void Internal_OnTouchMove(ref Vector2 pointerPosition, int pointerId)
{
Vector2 pos = pointerPosition / _dpiScale;
Vector2 pos = pointerPosition / DpiScale;
bool handled = false;
TouchMove?.Invoke(ref pos, pointerId, ref handled);
@@ -309,7 +306,7 @@ namespace FlaxEngine
internal void Internal_OnTouchUp(ref Vector2 pointerPosition, int pointerId)
{
Vector2 pos = pointerPosition / _dpiScale;
Vector2 pos = pointerPosition / DpiScale;
bool handled = false;
TouchUp?.Invoke(ref pos, pointerId, ref handled);
@@ -335,7 +332,7 @@ namespace FlaxEngine
{
if (HitTest != null)
{
Vector2 pos = mousePos / _dpiScale;
Vector2 pos = mousePos / DpiScale;
result = HitTest(ref pos);
handled = true;
}
@@ -356,7 +353,7 @@ namespace FlaxEngine
dragData = new DragDataText(data[0]);
else
dragData = new DragDataFiles(data);
Vector2 pos = mousePos / _dpiScale;
Vector2 pos = mousePos / DpiScale;
return GUI.OnDragEnter(ref pos, dragData);
}
@@ -367,7 +364,7 @@ namespace FlaxEngine
dragData = new DragDataText(data[0]);
else
dragData = new DragDataFiles(data);
Vector2 pos = mousePos / _dpiScale;
Vector2 pos = mousePos / DpiScale;
return GUI.OnDragMove(ref pos, dragData);
}
@@ -378,7 +375,7 @@ namespace FlaxEngine
dragData = new DragDataText(data[0]);
else
dragData = new DragDataFiles(data);
Vector2 pos = mousePos / _dpiScale;
Vector2 pos = mousePos / DpiScale;
return GUI.OnDragDrop(ref pos, dragData);
}

4
Source/Engine/Platform/Windows/WindowsPlatform.cpp
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@@ -58,7 +58,7 @@ int32 CalculateDpi(HMODULE shCoreDll)
if (getDPIForMonitor)
{
HMONITOR monitor = GetPrimaryMonitorHandle();
HMONITOR monitor = GetPrimaryMonitorHandle(); // TODO: Use the game window monitor
UINT x = 0, y = 0;
HRESULT hr = getDPIForMonitor(monitor, 0, &x, &y);
@@ -659,7 +659,7 @@ void WindowsPlatform::SetHighDpiAwarenessEnabled(bool enable)
if (setProcessDpiAwareness)
{
setProcessDpiAwareness(enable ? PROCESS_SYSTEM_DPI_AWARE : PROCESS_DPI_UNAWARE);
setProcessDpiAwareness(enable ? PROCESS_PER_MONITOR_DPI_AWARE : PROCESS_DPI_UNAWARE);
}
SystemDpi = CalculateDpi(shCoreDll);

41
Source/Engine/Platform/Windows/WindowsWindow.cpp
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@@ -16,6 +16,8 @@
// TODO: finish better borderless window on windows (fix mouse pos offset when maximized and fix white flicker on window show)
#define WINDOWS_USE_NEW_BORDER_LESS 0
#define DefaultDPI 96
#if WINDOWS_USE_NEW_BORDER_LESS
#pragma comment(lib, "Gdi32.lib")
#endif
@@ -95,6 +97,23 @@ WindowsWindow::WindowsWindow(const CreateWindowSettings& settings)
nullptr,
(HINSTANCE)Platform::Instance,
nullptr);
_dpi = DefaultDPI;
// TODO: Is this the correct way of doing this?
const HMODULE user32Dll = LoadLibraryW(L"user32.dll");
if (user32Dll)
{
typedef UINT(STDAPICALLTYPE* GetDpiForWindowProc)(HWND hwnd);
const GetDpiForWindowProc getDpiForWindowProc = (GetDpiForWindowProc)GetProcAddress(user32Dll, "GetDpiForWindow");
if (getDpiForWindowProc)
{
_dpi = getDpiForWindowProc(_handle);
}
FreeLibrary(user32Dll);
}
_dpiScale = (float)_dpi / (float)DefaultDPI;
// Validate result
if (!HasHWND())
@@ -966,6 +985,28 @@ LRESULT WindowsWindow::WndProc(UINT msg, WPARAM wParam, LPARAM lParam)
break;
}
case WM_DPICHANGED:
{
// Maybe https://stackoverflow.com/a/45110656
_dpi = HIWORD(wParam);
_dpiScale = (float)_dpi / (float)DefaultDPI;
RECT* windowRect = (RECT*)lParam;
SetWindowPos(_handle,
nullptr,
windowRect->left,
windowRect->top,
windowRect->right - windowRect->left,
windowRect->bottom - windowRect->top,
SWP_NOZORDER | SWP_NOACTIVATE);
// Todo: Recalculate fonts
return 0;
}
case WM_ENTERSIZEMOVE:
{
_isResizing = true;

2
Source/Engine/Render2D/FontManager.cpp
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@@ -67,7 +67,7 @@ bool FontManagerService::Init()
ASSERT(Library == nullptr);
// Scale UI fonts to match the monitor DPI
FontManager::FontScale = (float)Platform::GetDpi() / (float)DefaultDPI;
FontManager::FontScale = (float)Platform::GetDpi() / (float)DefaultDPI; // TODO: Adjust this at runtime
// Init Free Type
FreeTypeMemory.user = nullptr;

2
Source/Engine/UI/GUI/Control.cs
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@@ -310,7 +310,7 @@ namespace FlaxEngine.GUI
/// <summary>
/// Gets the GUI window root control which contains that control (or null if not linked to any).
/// </summary>
public virtual WindowRootControl RootWindow => _parent?.RootWindow;
public virtual WindowRootControl RootWindow => _parent?.RootWindow; // TODO: Why doesn't this just go "_root?.RootWindow" or something?
/// <summary>
/// Gets screen position of the control (upper left corner).

2
Source/Engine/UI/GUI/RenderOutputControl.cs
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@@ -221,7 +221,7 @@ namespace FlaxEngine.GUI
/// </summary>
public void SyncBackbufferSize()
{
float scale = ResolutionScale * Platform.DpiScale;
float scale = ResolutionScale * (Root?.RootWindow?.Window?.DpiScale ?? 1); // TODO: Figure this out
int width = Mathf.CeilToInt(Width * scale);
int height = Mathf.CeilToInt(Height * scale);
if (_customResolution.HasValue)

4
Source/Engine/UI/GUI/Tooltip.cs
View File

@@ -68,7 +68,7 @@ namespace FlaxEngine.GUI
var parentWin = target.Root;
if (parentWin == null)
return;
float dpiScale = Platform.DpiScale;
float dpiScale = target.RootWindow.Window.DpiScale;
Vector2 dpiSize = Size * dpiScale;
Vector2 locationWS = target.PointToWindow(location);
Vector2 locationSS = parentWin.PointToScreen(locationWS);
@@ -185,7 +185,7 @@ namespace FlaxEngine.GUI
{
if (_window)
{
_window.ClientSize = Size * Platform.DpiScale;
_window.ClientSize = Size * _window.DpiScale;
}
}

10
Source/Engine/UI/GUI/WindowRootControl.cs
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@@ -151,7 +151,7 @@ namespace FlaxEngine.GUI
}
/// <inheritdoc />
public override Vector2 TrackingMouseOffset => _window.TrackingMouseOffset / _window._dpiScale;
public override Vector2 TrackingMouseOffset => _window.TrackingMouseOffset / _window.DpiScale;
/// <inheritdoc />
public override WindowRootControl RootWindow => this;
@@ -159,8 +159,8 @@ namespace FlaxEngine.GUI
/// <inheritdoc />
public override Vector2 MousePosition
{
get => _window.MousePosition / _window._dpiScale;
set => _window.MousePosition = value * _window._dpiScale;
get => _window.MousePosition / _window.DpiScale;
set => _window.MousePosition = value * _window.DpiScale;
}
/// <inheritdoc />
@@ -234,13 +234,13 @@ namespace FlaxEngine.GUI
/// <inheritdoc />
public override Vector2 PointFromScreen(Vector2 location)
{
return _window.ScreenToClient(location) / _window._dpiScale;
return _window.ScreenToClient(location) / _window.DpiScale;
}
/// <inheritdoc />
public override Vector2 PointToScreen(Vector2 location)
{
return _window.ClientToScreen(location * _window._dpiScale);
return _window.ClientToScreen(location * _window.DpiScale);
}
/// <inheritdoc />