Add borderless editor host chrome

This commit is contained in:
2026-04-14 01:14:45 +08:00
parent 5797a75619
commit 9064c2f5f2
6 changed files with 660 additions and 3 deletions

View File

@@ -124,6 +124,7 @@ target_link_libraries(XCUIEditorLib PUBLIC
add_library(XCUIEditorHost STATIC
app/Host/AutoScreenshot.cpp
app/Host/BorderlessWindowChrome.cpp
app/Host/D3D12HostDevice.cpp
app/Host/D3D12ShaderResourceDescriptorAllocator.cpp
app/Host/D3D12WindowInteropContext.cpp

View File

@@ -38,6 +38,8 @@ constexpr const wchar_t* kWindowClassName = L"XCEditorShellHost";
constexpr const wchar_t* kWindowTitle = L"Main Scene * - Main.xx - XCEngine Editor";
constexpr UINT kDefaultDpi = 96u;
constexpr float kBaseDpiScale = 96.0f;
constexpr DWORD kBorderlessWindowStyle =
WS_POPUP | WS_THICKFRAME | WS_SYSMENU | WS_MINIMIZEBOX | WS_MAXIMIZEBOX;
bool ResolveVerboseRuntimeTraceEnabled() {
wchar_t buffer[8] = {};
@@ -406,7 +408,7 @@ bool Application::Initialize(HINSTANCE hInstance, int nCmdShow) {
WNDCLASSEXW windowClass = {};
windowClass.cbSize = sizeof(windowClass);
windowClass.style = CS_HREDRAW | CS_VREDRAW;
windowClass.style = CS_HREDRAW | CS_VREDRAW | CS_DBLCLKS;
windowClass.lpfnWndProc = &Application::WndProc;
windowClass.hInstance = hInstance;
windowClass.hCursor = LoadCursorW(nullptr, IDC_ARROW);
@@ -418,10 +420,10 @@ bool Application::Initialize(HINSTANCE hInstance, int nCmdShow) {
}
m_hwnd = CreateWindowExW(
0,
WS_EX_APPWINDOW,
kWindowClassName,
kWindowTitle,
WS_OVERLAPPEDWINDOW,
kBorderlessWindowStyle,
CW_USEDEFAULT,
CW_USEDEFAULT,
1540,
@@ -434,6 +436,7 @@ bool Application::Initialize(HINSTANCE hInstance, int nCmdShow) {
LogRuntimeTrace("app", "window creation failed");
return false;
}
Host::EnableBorderlessWindowShadow(m_hwnd);
m_hostRuntime.Reset();
m_hostRuntime.SetWindowDpi(QueryWindowDpi(m_hwnd));
m_renderer.SetDpiScale(GetDpiScale());
@@ -607,6 +610,8 @@ void Application::RenderFrame() {
12.0f);
}
AppendBorderlessWindowChrome(drawList, width);
const Host::D3D12WindowRenderLoopPresentResult presentResult =
m_windowRenderLoop.Present(drawData);
if (!presentResult.warning.empty()) {
@@ -631,6 +636,18 @@ void Application::OnPaintMessage() {
EndPaint(m_hwnd, &paintStruct);
}
bool Application::IsBorderlessWindowEnabled() const {
return true;
}
LRESULT Application::HandleBorderlessWindowNcCalcSize(WPARAM wParam, LPARAM lParam) const {
return Host::HandleBorderlessWindowNcCalcSize(
m_hwnd,
wParam,
lParam,
m_hostRuntime.GetWindowDpi());
}
float Application::GetDpiScale() const {
return m_hostRuntime.GetDpiScale(kBaseDpiScale);
}
@@ -690,6 +707,175 @@ bool Application::ApplyCurrentCursor() const {
return true;
}
Host::BorderlessWindowChromeLayout Application::ResolveBorderlessWindowChromeLayout(
float clientWidthDips) const {
const auto& menuBarMetrics = ResolveUIEditorMenuBarMetrics();
::XCEngine::UI::UIRect titleBarRect(0.0f, 0.0f, clientWidthDips, menuBarMetrics.barHeight);
float leadingOccupiedRight = titleBarRect.x;
const UIEditorShellInteractionFrame& shellFrame = m_editorWorkspace.GetShellFrame();
if (shellFrame.shellFrame.layout.menuBarRect.width > 0.0f &&
shellFrame.shellFrame.layout.menuBarRect.height > 0.0f) {
titleBarRect = shellFrame.shellFrame.layout.menuBarRect;
}
const auto& buttonRects = shellFrame.shellFrame.layout.menuBarLayout.buttonRects;
if (!buttonRects.empty()) {
const auto& lastRect = buttonRects.back();
leadingOccupiedRight = lastRect.x + lastRect.width;
}
return Host::BuildBorderlessWindowChromeLayout(titleBarRect, leadingOccupiedRight);
}
Host::BorderlessWindowChromeHitTarget Application::HitTestBorderlessWindowChrome(LPARAM lParam) const {
if (!IsBorderlessWindowEnabled() || m_hwnd == nullptr) {
return Host::BorderlessWindowChromeHitTarget::None;
}
RECT clientRect = {};
if (!GetClientRect(m_hwnd, &clientRect)) {
return Host::BorderlessWindowChromeHitTarget::None;
}
const float clientWidthDips = PixelsToDips(
static_cast<float>((std::max)(clientRect.right - clientRect.left, 1L)));
const Host::BorderlessWindowChromeLayout layout =
ResolveBorderlessWindowChromeLayout(clientWidthDips);
return Host::HitTestBorderlessWindowChrome(
layout,
ConvertClientPixelsToDips(GET_X_LPARAM(lParam), GET_Y_LPARAM(lParam)));
}
bool Application::UpdateBorderlessWindowChromeHover(LPARAM lParam) {
const Host::BorderlessWindowChromeHitTarget hitTarget = HitTestBorderlessWindowChrome(lParam);
const Host::BorderlessWindowChromeHitTarget buttonTarget =
hitTarget == Host::BorderlessWindowChromeHitTarget::MinimizeButton ||
hitTarget == Host::BorderlessWindowChromeHitTarget::MaximizeRestoreButton ||
hitTarget == Host::BorderlessWindowChromeHitTarget::CloseButton
? hitTarget
: Host::BorderlessWindowChromeHitTarget::None;
if (m_borderlessWindowChromeState.hoveredTarget == buttonTarget) {
return false;
}
m_borderlessWindowChromeState.hoveredTarget = buttonTarget;
return true;
}
bool Application::HandleBorderlessWindowChromeButtonDown(LPARAM lParam) {
const Host::BorderlessWindowChromeHitTarget hitTarget = HitTestBorderlessWindowChrome(lParam);
switch (hitTarget) {
case Host::BorderlessWindowChromeHitTarget::MinimizeButton:
case Host::BorderlessWindowChromeHitTarget::MaximizeRestoreButton:
case Host::BorderlessWindowChromeHitTarget::CloseButton:
m_borderlessWindowChromeState.pressedTarget = hitTarget;
if (m_hwnd != nullptr) {
SetCapture(m_hwnd);
}
InvalidateHostWindow();
return true;
case Host::BorderlessWindowChromeHitTarget::DragRegion:
if (m_hwnd != nullptr) {
ReleaseCapture();
SendMessageW(m_hwnd, WM_NCLBUTTONDOWN, HTCAPTION, 0);
}
return true;
case Host::BorderlessWindowChromeHitTarget::None:
default:
return false;
}
}
bool Application::HandleBorderlessWindowChromeButtonUp(LPARAM lParam) {
const Host::BorderlessWindowChromeHitTarget pressedTarget =
m_borderlessWindowChromeState.pressedTarget;
if (pressedTarget != Host::BorderlessWindowChromeHitTarget::MinimizeButton &&
pressedTarget != Host::BorderlessWindowChromeHitTarget::MaximizeRestoreButton &&
pressedTarget != Host::BorderlessWindowChromeHitTarget::CloseButton) {
return false;
}
const Host::BorderlessWindowChromeHitTarget releasedTarget =
HitTestBorderlessWindowChrome(lParam);
m_borderlessWindowChromeState.pressedTarget = Host::BorderlessWindowChromeHitTarget::None;
if (GetCapture() == m_hwnd) {
ReleaseCapture();
}
InvalidateHostWindow();
if (pressedTarget == releasedTarget) {
ExecuteBorderlessWindowChromeAction(pressedTarget);
}
return true;
}
bool Application::HandleBorderlessWindowChromeDoubleClick(LPARAM lParam) {
if (HitTestBorderlessWindowChrome(lParam) != Host::BorderlessWindowChromeHitTarget::DragRegion) {
return false;
}
ExecuteBorderlessWindowChromeAction(Host::BorderlessWindowChromeHitTarget::MaximizeRestoreButton);
return true;
}
void Application::ClearBorderlessWindowChromeState() {
if (m_borderlessWindowChromeState.hoveredTarget == Host::BorderlessWindowChromeHitTarget::None &&
m_borderlessWindowChromeState.pressedTarget == Host::BorderlessWindowChromeHitTarget::None) {
return;
}
m_borderlessWindowChromeState = {};
InvalidateHostWindow();
}
void Application::AppendBorderlessWindowChrome(
::XCEngine::UI::UIDrawList& drawList,
float clientWidthDips) const {
if (!IsBorderlessWindowEnabled()) {
return;
}
const Host::BorderlessWindowChromeLayout layout =
ResolveBorderlessWindowChromeLayout(clientWidthDips);
Host::AppendBorderlessWindowChrome(
drawList,
layout,
m_borderlessWindowChromeState,
m_hwnd != nullptr && IsZoomed(m_hwnd));
}
void Application::ExecuteBorderlessWindowChromeAction(
Host::BorderlessWindowChromeHitTarget target) {
if (m_hwnd == nullptr) {
return;
}
switch (target) {
case Host::BorderlessWindowChromeHitTarget::MinimizeButton:
ShowWindow(m_hwnd, SW_MINIMIZE);
break;
case Host::BorderlessWindowChromeHitTarget::MaximizeRestoreButton:
ShowWindow(m_hwnd, IsZoomed(m_hwnd) ? SW_RESTORE : SW_MAXIMIZE);
break;
case Host::BorderlessWindowChromeHitTarget::CloseButton:
PostMessageW(m_hwnd, WM_CLOSE, 0, 0);
break;
case Host::BorderlessWindowChromeHitTarget::DragRegion:
case Host::BorderlessWindowChromeHitTarget::None:
default:
break;
}
InvalidateHostWindow();
}
void Application::InvalidateHostWindow() const {
if (m_hwnd != nullptr && IsWindow(m_hwnd)) {
InvalidateRect(m_hwnd, nullptr, FALSE);
}
}
UIPoint Application::ConvertClientPixelsToDips(LONG x, LONG y) const {
return UIPoint(
PixelsToDips(static_cast<float>(x)),
@@ -822,6 +1008,7 @@ void Application::OnDpiChanged(UINT dpi, const RECT& suggestedRect) {
if (QueryCurrentClientPixelSize(clientWidth, clientHeight)) {
ApplyWindowResize(clientWidth, clientHeight);
}
Host::EnableBorderlessWindowShadow(m_hwnd);
}
std::ostringstream trace = {};
@@ -969,6 +1156,9 @@ LRESULT CALLBACK Application::WndProc(HWND hwnd, UINT message, WPARAM wParam, LP
switch (message) {
case WM_MOUSEMOVE:
if (application != nullptr) {
if (application->UpdateBorderlessWindowChromeHover(lParam)) {
application->InvalidateHostWindow();
}
if (!application->m_trackingMouseLeave) {
TRACKMOUSEEVENT trackMouseEvent = {};
trackMouseEvent.cbSize = sizeof(trackMouseEvent);
@@ -978,6 +1168,13 @@ LRESULT CALLBACK Application::WndProc(HWND hwnd, UINT message, WPARAM wParam, LP
application->m_trackingMouseLeave = true;
}
}
const Host::BorderlessWindowChromeHitTarget chromeHitTarget =
application->HitTestBorderlessWindowChrome(lParam);
if (chromeHitTarget == Host::BorderlessWindowChromeHitTarget::MinimizeButton ||
chromeHitTarget == Host::BorderlessWindowChromeHitTarget::MaximizeRestoreButton ||
chromeHitTarget == Host::BorderlessWindowChromeHitTarget::CloseButton) {
return 0;
}
application->QueuePointerEvent(
UIInputEventType::PointerMove,
UIPointerButton::None,
@@ -989,12 +1186,16 @@ LRESULT CALLBACK Application::WndProc(HWND hwnd, UINT message, WPARAM wParam, LP
case WM_MOUSELEAVE:
if (application != nullptr) {
application->m_trackingMouseLeave = false;
application->ClearBorderlessWindowChromeState();
application->QueuePointerLeaveEvent();
return 0;
}
break;
case WM_LBUTTONDOWN:
if (application != nullptr) {
if (application->HandleBorderlessWindowChromeButtonDown(lParam)) {
return 0;
}
SetFocus(hwnd);
application->QueuePointerEvent(
UIInputEventType::PointerButtonDown,
@@ -1006,6 +1207,9 @@ LRESULT CALLBACK Application::WndProc(HWND hwnd, UINT message, WPARAM wParam, LP
break;
case WM_LBUTTONUP:
if (application != nullptr) {
if (application->HandleBorderlessWindowChromeButtonUp(lParam)) {
return 0;
}
application->QueuePointerEvent(
UIInputEventType::PointerButtonUp,
UIPointerButton::Left,
@@ -1014,6 +1218,12 @@ LRESULT CALLBACK Application::WndProc(HWND hwnd, UINT message, WPARAM wParam, LP
return 0;
}
break;
case WM_LBUTTONDBLCLK:
if (application != nullptr &&
application->HandleBorderlessWindowChromeDoubleClick(lParam)) {
return 0;
}
break;
case WM_MOUSEWHEEL:
if (application != nullptr) {
application->QueuePointerWheelEvent(GET_WHEEL_DELTA_WPARAM(wParam), wParam, lParam);
@@ -1039,8 +1249,13 @@ LRESULT CALLBACK Application::WndProc(HWND hwnd, UINT message, WPARAM wParam, LP
reinterpret_cast<HWND>(lParam) != hwnd &&
application->HasInteractiveCaptureState()) {
application->QueueWindowFocusEvent(UIInputEventType::FocusLost);
application->ClearBorderlessWindowChromeState();
return 0;
}
if (application != nullptr &&
reinterpret_cast<HWND>(lParam) != hwnd) {
application->ClearBorderlessWindowChromeState();
}
break;
case WM_KEYDOWN:
case WM_SYSKEYDOWN:

View File

@@ -5,6 +5,7 @@
#endif
#include <Host/AutoScreenshot.h>
#include <Host/BorderlessWindowChrome.h>
#include <Host/D3D12WindowRenderer.h>
#include <Host/D3D12WindowRenderLoop.h>
#include <Host/HostRuntimeState.h>
@@ -75,6 +76,21 @@ private:
void QueueKeyEvent(::XCEngine::UI::UIInputEventType type, WPARAM wParam, LPARAM lParam);
void QueueCharacterEvent(WPARAM wParam, LPARAM lParam);
void QueueWindowFocusEvent(::XCEngine::UI::UIInputEventType type);
bool IsBorderlessWindowEnabled() const;
LRESULT HandleBorderlessWindowNcCalcSize(WPARAM wParam, LPARAM lParam) const;
Host::BorderlessWindowChromeHitTarget HitTestBorderlessWindowChrome(LPARAM lParam) const;
bool UpdateBorderlessWindowChromeHover(LPARAM lParam);
bool HandleBorderlessWindowChromeButtonDown(LPARAM lParam);
bool HandleBorderlessWindowChromeButtonUp(LPARAM lParam);
bool HandleBorderlessWindowChromeDoubleClick(LPARAM lParam);
void ClearBorderlessWindowChromeState();
void AppendBorderlessWindowChrome(
::XCEngine::UI::UIDrawList& drawList,
float clientWidthDips) const;
void ExecuteBorderlessWindowChromeAction(Host::BorderlessWindowChromeHitTarget target);
Host::BorderlessWindowChromeLayout ResolveBorderlessWindowChromeLayout(
float clientWidthDips) const;
void InvalidateHostWindow() const;
static std::filesystem::path ResolveRepoRootPath();
static LONG WINAPI HandleUnhandledException(EXCEPTION_POINTERS* exceptionInfo);
static bool IsVerboseRuntimeTraceEnabled();
@@ -92,6 +108,7 @@ private:
std::vector<::XCEngine::UI::UIInputEvent> m_pendingInputEvents = {};
bool m_trackingMouseLeave = false;
bool m_renderReady = false;
::XCEngine::UI::Editor::Host::BorderlessWindowChromeState m_borderlessWindowChromeState = {};
::XCEngine::UI::Editor::Host::HostRuntimeState m_hostRuntime = {};
};

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@@ -0,0 +1,328 @@
#include "BorderlessWindowChrome.h"
#include <algorithm>
#include <dwmapi.h>
namespace XCEngine::UI::Editor::Host {
namespace {
using ::XCEngine::UI::UIColor;
using ::XCEngine::UI::UIDrawList;
using ::XCEngine::UI::UIPoint;
using ::XCEngine::UI::UIRect;
bool IsPointInsideRect(const UIRect& rect, const UIPoint& point) {
return rect.width > 0.0f &&
rect.height > 0.0f &&
point.x >= rect.x &&
point.x <= rect.x + rect.width &&
point.y >= rect.y &&
point.y <= rect.y + rect.height;
}
void AppendMinimizeGlyph(
UIDrawList& drawList,
const UIRect& rect,
const UIColor& color,
float thickness,
float insetX,
float insetY) {
const float y = rect.y + rect.height - insetY;
drawList.AddLine(
UIPoint(rect.x + insetX, y),
UIPoint(rect.x + rect.width - insetX, y),
color,
thickness);
}
void AppendMaximizeGlyph(
UIDrawList& drawList,
const UIRect& rect,
const UIColor& color,
float thickness,
float insetX,
float insetY) {
drawList.AddRectOutline(
UIRect(
rect.x + insetX,
rect.y + insetY,
(std::max)(0.0f, rect.width - insetX * 2.0f),
(std::max)(0.0f, rect.height - insetY * 2.0f)),
color,
thickness);
}
void AppendRestoreGlyph(
UIDrawList& drawList,
const UIRect& rect,
const UIColor& color,
float thickness,
float insetX,
float insetY) {
const float width = (std::max)(0.0f, rect.width - insetX * 2.0f);
const float height = (std::max)(0.0f, rect.height - insetY * 2.0f);
const float offset = 3.0f;
drawList.AddRectOutline(
UIRect(
rect.x + insetX + offset,
rect.y + insetY,
(std::max)(0.0f, width - offset),
(std::max)(0.0f, height - offset)),
color,
thickness);
drawList.AddRectOutline(
UIRect(
rect.x + insetX,
rect.y + insetY + offset,
(std::max)(0.0f, width - offset),
(std::max)(0.0f, height - offset)),
color,
thickness);
}
void AppendCloseGlyph(
UIDrawList& drawList,
const UIRect& rect,
const UIColor& color,
float thickness,
float insetX,
float insetY) {
drawList.AddLine(
UIPoint(rect.x + insetX, rect.y + insetY),
UIPoint(rect.x + rect.width - insetX, rect.y + rect.height - insetY),
color,
thickness);
drawList.AddLine(
UIPoint(rect.x + rect.width - insetX, rect.y + insetY),
UIPoint(rect.x + insetX, rect.y + rect.height - insetY),
color,
thickness);
}
::XCEngine::UI::UIColor ResolveButtonFillColor(
BorderlessWindowChromeHitTarget target,
const BorderlessWindowChromeState& state,
const BorderlessWindowChromePalette& palette) {
const bool hovered = state.hoveredTarget == target;
const bool pressed = state.pressedTarget == target;
if (target == BorderlessWindowChromeHitTarget::CloseButton) {
if (pressed) {
return palette.closeButtonPressedColor;
}
if (hovered) {
return palette.closeButtonHoverColor;
}
return {};
}
if (pressed) {
return palette.buttonPressedColor;
}
if (hovered) {
return palette.buttonHoverColor;
}
return {};
}
::XCEngine::UI::UIColor ResolveIconColor(
BorderlessWindowChromeHitTarget target,
const BorderlessWindowChromeState& state,
const BorderlessWindowChromePalette& palette) {
if (target == BorderlessWindowChromeHitTarget::CloseButton &&
(state.hoveredTarget == target || state.pressedTarget == target)) {
return palette.closeIconHoverColor;
}
return palette.iconColor;
}
int QuerySystemMetricForDpi(int index, UINT dpi) {
const HMODULE user32 = GetModuleHandleW(L"user32.dll");
if (user32 != nullptr) {
using GetSystemMetricsForDpiFn = int(WINAPI*)(int, UINT);
const auto getSystemMetricsForDpi =
reinterpret_cast<GetSystemMetricsForDpiFn>(
GetProcAddress(user32, "GetSystemMetricsForDpi"));
if (getSystemMetricsForDpi != nullptr) {
return getSystemMetricsForDpi(index, dpi);
}
}
return GetSystemMetrics(index);
}
} // namespace
BorderlessWindowChromeLayout BuildBorderlessWindowChromeLayout(
const UIRect& titleBarRect,
float leadingOccupiedRight,
const BorderlessWindowChromeMetrics& metrics) {
BorderlessWindowChromeLayout layout = {};
layout.titleBarRect = titleBarRect;
if (titleBarRect.width <= 0.0f || titleBarRect.height <= 0.0f) {
return layout;
}
const float buttonWidth = (std::max)(metrics.buttonWidth, 0.0f);
const float buttonX3 = titleBarRect.x + titleBarRect.width - metrics.buttonInsetX - buttonWidth;
const float buttonX2 = buttonX3 - buttonWidth;
const float buttonX1 = buttonX2 - buttonWidth;
layout.minimizeButtonRect = UIRect(buttonX1, titleBarRect.y, buttonWidth, titleBarRect.height);
layout.maximizeRestoreButtonRect = UIRect(buttonX2, titleBarRect.y, buttonWidth, titleBarRect.height);
layout.closeButtonRect = UIRect(buttonX3, titleBarRect.y, buttonWidth, titleBarRect.height);
const float dragLeft =
(std::max)(titleBarRect.x, leadingOccupiedRight + metrics.dragPaddingLeft);
const float dragRight =
(std::max)(dragLeft, layout.minimizeButtonRect.x - metrics.dragPaddingRight);
layout.dragRect = UIRect(
dragLeft,
titleBarRect.y,
(std::max)(0.0f, dragRight - dragLeft),
titleBarRect.height);
return layout;
}
BorderlessWindowChromeHitTarget HitTestBorderlessWindowChrome(
const BorderlessWindowChromeLayout& layout,
const UIPoint& point) {
if (IsPointInsideRect(layout.closeButtonRect, point)) {
return BorderlessWindowChromeHitTarget::CloseButton;
}
if (IsPointInsideRect(layout.maximizeRestoreButtonRect, point)) {
return BorderlessWindowChromeHitTarget::MaximizeRestoreButton;
}
if (IsPointInsideRect(layout.minimizeButtonRect, point)) {
return BorderlessWindowChromeHitTarget::MinimizeButton;
}
if (IsPointInsideRect(layout.dragRect, point)) {
return BorderlessWindowChromeHitTarget::DragRegion;
}
return BorderlessWindowChromeHitTarget::None;
}
void AppendBorderlessWindowChrome(
UIDrawList& drawList,
const BorderlessWindowChromeLayout& layout,
const BorderlessWindowChromeState& state,
bool maximized,
const BorderlessWindowChromePalette& palette,
const BorderlessWindowChromeMetrics& metrics) {
const struct ButtonEntry {
BorderlessWindowChromeHitTarget target;
UIRect rect;
} buttons[] = {
{ BorderlessWindowChromeHitTarget::MinimizeButton, layout.minimizeButtonRect },
{ BorderlessWindowChromeHitTarget::MaximizeRestoreButton, layout.maximizeRestoreButtonRect },
{ BorderlessWindowChromeHitTarget::CloseButton, layout.closeButtonRect }
};
for (const ButtonEntry& button : buttons) {
const UIColor fill = ResolveButtonFillColor(button.target, state, palette);
if (fill.a > 0.0f) {
drawList.AddFilledRect(button.rect, fill);
}
const UIColor iconColor = ResolveIconColor(button.target, state, palette);
switch (button.target) {
case BorderlessWindowChromeHitTarget::MinimizeButton:
AppendMinimizeGlyph(
drawList,
button.rect,
iconColor,
metrics.iconThickness,
metrics.iconInsetX,
metrics.iconInsetY);
break;
case BorderlessWindowChromeHitTarget::MaximizeRestoreButton:
if (maximized) {
AppendRestoreGlyph(
drawList,
button.rect,
iconColor,
metrics.iconThickness,
metrics.iconInsetX,
metrics.iconInsetY);
} else {
AppendMaximizeGlyph(
drawList,
button.rect,
iconColor,
metrics.iconThickness,
metrics.iconInsetX,
metrics.iconInsetY);
}
break;
case BorderlessWindowChromeHitTarget::CloseButton:
AppendCloseGlyph(
drawList,
button.rect,
iconColor,
metrics.iconThickness,
metrics.iconInsetX,
metrics.iconInsetY);
break;
case BorderlessWindowChromeHitTarget::DragRegion:
case BorderlessWindowChromeHitTarget::None:
default:
break;
}
}
}
void EnableBorderlessWindowShadow(HWND hwnd) {
if (hwnd == nullptr) {
return;
}
using DwmExtendFrameIntoClientAreaFn = HRESULT(WINAPI*)(HWND, const MARGINS*);
static const auto extendFrameIntoClientArea = []() -> DwmExtendFrameIntoClientAreaFn {
HMODULE dwmapi = GetModuleHandleW(L"dwmapi.dll");
if (dwmapi == nullptr) {
dwmapi = LoadLibraryW(L"dwmapi.dll");
}
if (dwmapi == nullptr) {
return nullptr;
}
return reinterpret_cast<DwmExtendFrameIntoClientAreaFn>(
GetProcAddress(dwmapi, "DwmExtendFrameIntoClientArea"));
}();
if (extendFrameIntoClientArea != nullptr) {
const MARGINS margins = { 1, 1, 1, 1 };
extendFrameIntoClientArea(hwnd, &margins);
}
}
LRESULT HandleBorderlessWindowNcCalcSize(
HWND hwnd,
WPARAM wParam,
LPARAM lParam,
UINT dpi) {
if (wParam == FALSE || lParam == 0) {
return 0;
}
auto* params = reinterpret_cast<NCCALCSIZE_PARAMS*>(lParam);
if (params == nullptr) {
return 0;
}
if (IsZoomed(hwnd)) {
const int frameX =
QuerySystemMetricForDpi(SM_CXFRAME, dpi) +
QuerySystemMetricForDpi(SM_CXPADDEDBORDER, dpi);
const int frameY =
QuerySystemMetricForDpi(SM_CYFRAME, dpi) +
QuerySystemMetricForDpi(SM_CXPADDEDBORDER, dpi);
params->rgrc[0].left += frameX;
params->rgrc[0].right -= frameX;
params->rgrc[0].top += frameY;
params->rgrc[0].bottom -= frameY;
}
return 0;
}
} // namespace XCEngine::UI::Editor::Host

View File

@@ -0,0 +1,84 @@
#pragma once
#ifndef NOMINMAX
#define NOMINMAX
#endif
#include <XCEngine/UI/DrawData.h>
#include <windows.h>
namespace XCEngine::UI::Editor::Host {
enum class BorderlessWindowChromeHitTarget : std::uint8_t {
None = 0,
DragRegion,
MinimizeButton,
MaximizeRestoreButton,
CloseButton
};
struct BorderlessWindowChromeMetrics {
float buttonWidth = 45.0f;
float buttonInsetX = 0.0f;
float dragPaddingLeft = 8.0f;
float dragPaddingRight = 8.0f;
float iconInsetX = 16.0f;
float iconInsetY = 8.0f;
float iconThickness = 1.2f;
};
struct BorderlessWindowChromePalette {
::XCEngine::UI::UIColor buttonHoverColor =
::XCEngine::UI::UIColor(0.88f, 0.88f, 0.88f, 1.0f);
::XCEngine::UI::UIColor buttonPressedColor =
::XCEngine::UI::UIColor(0.78f, 0.78f, 0.78f, 1.0f);
::XCEngine::UI::UIColor closeButtonHoverColor =
::XCEngine::UI::UIColor(0.91f, 0.31f, 0.24f, 1.0f);
::XCEngine::UI::UIColor closeButtonPressedColor =
::XCEngine::UI::UIColor(0.78f, 0.22f, 0.18f, 1.0f);
::XCEngine::UI::UIColor iconColor =
::XCEngine::UI::UIColor(0.10f, 0.10f, 0.10f, 1.0f);
::XCEngine::UI::UIColor closeIconHoverColor =
::XCEngine::UI::UIColor(1.0f, 1.0f, 1.0f, 1.0f);
};
struct BorderlessWindowChromeState {
BorderlessWindowChromeHitTarget hoveredTarget = BorderlessWindowChromeHitTarget::None;
BorderlessWindowChromeHitTarget pressedTarget = BorderlessWindowChromeHitTarget::None;
};
struct BorderlessWindowChromeLayout {
::XCEngine::UI::UIRect titleBarRect = {};
::XCEngine::UI::UIRect dragRect = {};
::XCEngine::UI::UIRect minimizeButtonRect = {};
::XCEngine::UI::UIRect maximizeRestoreButtonRect = {};
::XCEngine::UI::UIRect closeButtonRect = {};
};
BorderlessWindowChromeLayout BuildBorderlessWindowChromeLayout(
const ::XCEngine::UI::UIRect& titleBarRect,
float leadingOccupiedRight,
const BorderlessWindowChromeMetrics& metrics = {});
BorderlessWindowChromeHitTarget HitTestBorderlessWindowChrome(
const BorderlessWindowChromeLayout& layout,
const ::XCEngine::UI::UIPoint& point);
void AppendBorderlessWindowChrome(
::XCEngine::UI::UIDrawList& drawList,
const BorderlessWindowChromeLayout& layout,
const BorderlessWindowChromeState& state,
bool maximized,
const BorderlessWindowChromePalette& palette = {},
const BorderlessWindowChromeMetrics& metrics = {});
void EnableBorderlessWindowShadow(HWND hwnd);
LRESULT HandleBorderlessWindowNcCalcSize(
HWND hwnd,
WPARAM wParam,
LPARAM lParam,
UINT dpi);
} // namespace XCEngine::UI::Editor::Host

View File

@@ -63,6 +63,18 @@ bool WindowMessageDispatcher::TryDispatch(
};
switch (message) {
case WM_NCCALCSIZE:
if (application.IsBorderlessWindowEnabled()) {
outResult = application.HandleBorderlessWindowNcCalcSize(wParam, lParam);
return true;
}
return false;
case WM_NCACTIVATE:
if (application.IsBorderlessWindowEnabled()) {
outResult = TRUE;
return true;
}
return false;
case WM_SETCURSOR:
if (LOWORD(lParam) == HTCLIENT && application.ApplyCurrentCursor()) {
outResult = TRUE;