Initial release

engine/vendor/vst3sdk/vstgui4/vstgui/contrib/datepicker_win32.cpp

@@ -0,0 +1,132 @@
+
+#include "datepicker.h"
+#include "externalview_hwnd.h"
+#include "vstgui/lib/platform/win32/win32factory.h"
+
+#include <CommCtrl.h>
+
+//------------------------------------------------------------------------
+namespace VSTGUI {
+namespace ExternalView {
+
+//------------------------------------------------------------------------
+struct DatePicker::Impl : ExternalHWNDBase
+{
+	using Base::Base;
+
+	~Impl () noexcept
+	{
+		if (font)
+			DeleteObject (font);
+	}
+
+	ChangeCallback changeCallback;
+	HFONT font {nullptr};
+};
+
+//------------------------------------------------------------------------
+DatePicker::DatePicker ()
+{
+	auto hInstance = getPlatformFactory ().asWin32Factory ()->getInstance ();
+	impl = std::make_unique<Impl> (hInstance);
+	impl->child = CreateWindowExW (0, DATETIMEPICK_CLASS, TEXT ("DateTime"),
+								   WS_BORDER | WS_CHILD | WS_VISIBLE | DTS_SHORTDATEFORMAT, 0, 0,
+								   80, 20, impl->container.getHWND (), NULL, hInstance, NULL);
+	impl->container.setWindowProc ([this] (HWND hwnd, UINT message, WPARAM wParam, LPARAM lParam) {
+		switch (message)
+		{
+			case WM_NOTIFY:
+			{
+				LPNMHDR hdr = reinterpret_cast<LPNMHDR> (lParam);
+				switch (hdr->code)
+				{
+					case DTN_DATETIMECHANGE:
+					{
+						LPNMDATETIMECHANGE lpChange = reinterpret_cast<LPNMDATETIMECHANGE> (lParam);
+						if (impl->changeCallback)
+						{
+							Date date;
+							date.day = lpChange->st.wDay;
+							date.month = lpChange->st.wMonth;
+							date.year = lpChange->st.wYear;
+							impl->changeCallback (date);
+						}
+						break;
+					}
+				}
+				break;
+			}
+		}
+		return DefWindowProc (hwnd, message, wParam, lParam);
+	});
+}
+
+//------------------------------------------------------------------------
+DatePicker::~DatePicker () noexcept {}
+
+//------------------------------------------------------------------------
+void DatePicker::setDate (Date date)
+{
+	SYSTEMTIME st = {};
+	st.wDay = date.day;
+	st.wMonth = date.month;
+	st.wYear = date.year;
+	DateTime_SetSystemtime (impl->child, GDT_VALID, &st);
+}
+
+//------------------------------------------------------------------------
+void DatePicker::setChangeCallback (const ChangeCallback& callback)
+{
+	impl->changeCallback = callback;
+}
+
+//------------------------------------------------------------------------
+bool DatePicker::platformViewTypeSupported (PlatformViewType type)
+{
+	return impl->platformViewTypeSupported (type);
+}
+
+//------------------------------------------------------------------------
+bool DatePicker::attach (void* parent, PlatformViewType parentViewType)
+{
+	return impl->attach (parent, parentViewType);
+}
+
+//------------------------------------------------------------------------
+bool DatePicker::remove () { return impl->remove (); }
+
+//------------------------------------------------------------------------
+void DatePicker::setViewSize (IntRect frame, IntRect visible)
+{
+	impl->setViewSize (frame, visible);
+}
+
+//------------------------------------------------------------------------
+void DatePicker::setContentScaleFactor (double scaleFactor)
+{
+	if (impl->font)
+		DeleteObject (impl->font);
+	auto logFont = NonClientMetrics::get ().lfCaptionFont;
+	logFont.lfHeight = static_cast<LONG> (std::round (logFont.lfHeight * scaleFactor));
+	impl->font = CreateFontIndirect (&logFont);
+	if (impl->font)
+		SendMessage (impl->child, WM_SETFONT, (WPARAM)impl->font, 0);
+}
+
+//------------------------------------------------------------------------
+void DatePicker::setMouseEnabled (bool state) { impl->setMouseEnabled (state); }
+
+//------------------------------------------------------------------------
+void DatePicker::takeFocus () { impl->takeFocus (); }
+
+//------------------------------------------------------------------------
+void DatePicker::looseFocus () { impl->looseFocus (); }
+
+void DatePicker::setTookFocusCallback (const TookFocusCallback& callback)
+{
+	impl->setTookFocusCallback (callback);
+}
+
+//------------------------------------------------------------------------
+} // ExternalView
+} // VSTGUI