Initial release

engine/vendor/vst3sdk/vstgui4/vstgui/lib/controls/csearchtextedit.cpp

@@ -0,0 +1,167 @@
+// This file is part of VSTGUI. It is subject to the license terms 
+// in the LICENSE file found in the top-level directory of this
+// distribution and at http://github.com/steinbergmedia/vstgui/LICENSE
+
+#include "csearchtextedit.h"
+
+#include "../cframe.h"
+#include "../cgraphicspath.h"
+#include "../cdrawcontext.h"
+
+namespace VSTGUI {
+
+//----------------------------------------------------------------------------------------------------
+CSearchTextEdit::CSearchTextEdit (const CRect& size, IControlListener* listener, int32_t tag,
+                                  UTF8StringPtr txt, CBitmap* background, const int32_t style)
+: CTextEdit (size, listener, tag, nullptr, background, style)
+{
+	setPlaceholderString ("Search");
+}
+
+//------------------------------------------------------------------------
+void CSearchTextEdit::setClearMarkInset (CPoint inset)
+{
+	if (inset != clearMarkInset)
+	{
+		clearMarkInset = inset;
+		invalid ();
+	}
+}
+
+//------------------------------------------------------------------------
+CPoint CSearchTextEdit::getClearMarkInset () const
+{
+	return clearMarkInset;
+}
+
+//----------------------------------------------------------------------------------------------------
+CRect CSearchTextEdit::getClearMarkRect () const
+{
+	CRect r (getViewSize ());
+	if (getHoriAlign () == kRightText)
+		r.right = r.left + getHeight ();
+	else
+		r.left = r.right - getHeight ();
+	r.inset (getClearMarkInset ());
+	return r;
+}
+
+//----------------------------------------------------------------------------------------------------
+CMouseEventResult CSearchTextEdit::onMouseDown (CPoint& where, const CButtonState& buttons)
+{
+	if (buttons.isLeftButton ())
+	{
+		if (!getText ().empty ())
+		{
+			if (getClearMarkRect ().pointInside (where))
+			{
+				beginEdit ();
+				setText ("");
+				valueChanged ();
+				endEdit ();
+				return kMouseDownEventHandledButDontNeedMovedOrUpEvents;
+			}
+		}
+	}
+	return CTextEdit::onMouseDown (where, buttons);
+}
+
+//----------------------------------------------------------------------------------------------------
+void CSearchTextEdit::drawClearMark (CDrawContext* context) const
+{
+	if (!((platformControl && !platformControl->getText ().empty ()) || !getText ().empty ()))
+		return;
+
+	auto path = owned (context->createGraphicsPath ());
+	if (path == nullptr)
+		return;
+
+	CRect r = getClearMarkRect ();
+	CColor color (fontColor);
+	color.alpha /= 2;
+	context->setFillColor (color);
+	context->setDrawMode (kAntiAliasing);
+	context->drawEllipse (r, kDrawFilled);
+	double h,s,v;
+	color.toHSV (h, s, v);
+	v = 1. - v;
+	color.fromHSV (h, s, v);
+	context->setFrameColor (color);
+	context->setLineWidth (2.);
+	r.inset (r.getWidth () / (M_PI * 2.) + 1, r.getHeight () / (M_PI * 2.) + 1);
+	path->beginSubpath (r.getTopLeft ());
+	path->addLine (r.getBottomRight ());
+	path->beginSubpath (r.getBottomLeft ());
+	path->addLine (r.getTopRight ());
+	context->setDrawMode (kAntiAliasing);
+	context->drawGraphicsPath (path, CDrawContext::kPathStroked);
+}
+
+//----------------------------------------------------------------------------------------------------
+void CSearchTextEdit::draw (CDrawContext *pContext)
+{
+	drawBack (pContext);
+	drawClearMark (pContext);
+
+	if (platformControl)
+	{
+		setDirty (false);
+		return;
+	}
+
+	pContext->setDrawMode (kAntiAliasing);
+
+	CColor origFontColor (fontColor);
+	if (getText ().empty ())
+	{
+		CColor color (fontColor);
+		color.alpha /= 2;
+		setFontColor (color);
+		drawPlatformText (pContext, getPlaceholderString (), getTextRect ());
+	}
+	else
+		drawPlatformText (pContext, getText (), getTextRect ());
+
+	setDirty (false);
+	setFontColor (origFontColor);
+}
+
+//------------------------------------------------------------------------
+CRect CSearchTextEdit::getTextRect () const
+{
+	CRect rect = getViewSize ();
+	CRect cmr = getClearMarkRect ();
+	if (getHoriAlign () == kRightText)
+		rect.left = cmr.right;
+	else
+		rect.right = cmr.left;
+	return rect;
+}
+
+//------------------------------------------------------------------------
+CRect CSearchTextEdit::platformGetSize () const
+{
+	return translateToGlobal (getTextRect ());
+}
+
+//------------------------------------------------------------------------
+CRect CSearchTextEdit::platformGetVisibleSize () const
+{
+	CRect rect = getTextRect ();
+	if (getParentView ())
+		rect = getParentView ()->asViewContainer ()->getVisibleSize (rect);
+	else if (getFrame ())
+		rect = getFrame ()->getVisibleSize (rect);
+
+	return translateToGlobal (rect);
+}
+
+//------------------------------------------------------------------------
+void CSearchTextEdit::platformTextDidChange ()
+{
+	invalidRect (getClearMarkRect ());
+	CTextEdit::platformTextDidChange ();
+}
+
+//------------------------------------------------------------------------
+} // VSTGUI