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DocumentWindow: Implement window hit-testing API

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reuk 2024-05-28 19:30:42 +01:00
parent 9a91ae2ab6
commit edd5745d7f
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2 changed files with 59 additions and 2 deletions
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57
modules/juce_gui_basics/windows/juce_DocumentWindow.cpp
View file

@ -264,7 +264,7 @@ int DocumentWindow::getTitleBarHeight() const
return isUsingNativeTitleBar() ? 0 : jmin (titleBarHeight, getHeight() - 4);
}
Rectangle<int> DocumentWindow::getTitleBarArea()
Rectangle<int> DocumentWindow::getTitleBarArea() const
{
if (isKioskMode())
return {};
@ -273,6 +273,61 @@ Rectangle<int> DocumentWindow::getTitleBarArea()
return { border.getLeft(), border.getTop(), getWidth() - border.getLeftAndRight(), getTitleBarHeight() };
}
auto DocumentWindow::findControlAtPoint (Point<float> pt) const -> WindowControlKind
{
if (resizableBorder != nullptr)
{
using Zone = ResizableBorderComponent::Zone;
const auto zone = Zone::fromPositionOnBorder (getLocalBounds(),
resizableBorder->getBorderThickness(),
pt.roundToInt());
switch (zone.getZoneFlags())
{
case Zone::top: return WindowControlKind::sizeTop;
case Zone::left: return WindowControlKind::sizeLeft;
case Zone::right: return WindowControlKind::sizeRight;
case Zone::bottom: return WindowControlKind::sizeBottom;
case Zone::top | Zone::left: return WindowControlKind::sizeTopLeft;
case Zone::top | Zone::right: return WindowControlKind::sizeTopRight;
case Zone::bottom | Zone::left: return WindowControlKind::sizeBottomLeft;
case Zone::bottom | Zone::right: return WindowControlKind::sizeBottomRight;
}
}
const auto topArea = getTitleBarArea().withTop (0);
if (! topArea.toFloat().contains (pt))
return WindowControlKind::client;
for (const auto& [control, kind] : { std::tuple (getMinimiseButton(), WindowControlKind::minimise),
std::tuple (getMaximiseButton(), WindowControlKind::maximise),
std::tuple (getCloseButton(), WindowControlKind::close) })
{
if (control != nullptr && control->contains (control->getLocalPoint (this, pt)))
return kind;
}
// Add a few pixels for the top resizer, because Windows 11 expects the top resizer to be inside
// the window, unlike the resizers on the bottom/left/right.
constexpr auto topResizerSize = 4;
const auto topResizerArea = getLocalBounds().withHeight (topResizerSize).toFloat();
if (topResizerArea.contains (pt))
{
if (pt.x <= topResizerArea.getX() + topResizerSize)
return WindowControlKind::sizeTopLeft;
if (topResizerArea.getRight() - topResizerSize <= pt.x)
return WindowControlKind::sizeTopRight;
return WindowControlKind::sizeTop;
}
return WindowControlKind::caption;
}
Button* DocumentWindow::getCloseButton() const noexcept { return titleBarButtons[2].get(); }
Button* DocumentWindow::getMinimiseButton() const noexcept { return titleBarButtons[0].get(); }
Button* DocumentWindow::getMaximiseButton() const noexcept { return titleBarButtons[1].get(); }

4
modules/juce_gui_basics/windows/juce_DocumentWindow.h
View file

@ -291,7 +291,9 @@ public:
/** @internal */
void parentHierarchyChanged() override;
/** @internal */
Rectangle<int> getTitleBarArea();
Rectangle<int> getTitleBarArea() const;
/** @internal */
WindowControlKind findControlAtPoint (Point<float>) const override;
#endif
private: