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122 lines
2.9 KiB
C++
122 lines
2.9 KiB
C++
#include "TCtrlLibHelp.h"
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#pragma hdrstop
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#include <TDraw/formula.h>
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NAMESPACE_UPP
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struct RichObjectTypeFormulaCls : public RichObjectType
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{
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virtual String GetTypeName(const Value&) const;
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virtual Size GetPhysicalSize(const Value& data) const;
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virtual Size GetPixelSize(const Value& data) const { return Size(0, 0); }
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virtual void Paint(const Value& data, Draw& w, Size sz) const;
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virtual Value Read(const String& s) const;
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virtual String Write(const Value& v) const;
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// virtual Value ReadClipboard() const;
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// virtual void Menu(Bar& bar, RichObjectExchange& ex) const;
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virtual void DefaultAction(RichObject& ex) const;
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struct Data {
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Data() : font(Roman(100)), color(SBlack) {}
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Data(const Value& v) { *this = ValueTo<Data>(v); }
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operator Value() const { return RawToValue(*this); }
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void Serialize(Stream& stream);
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RefCon<Formula> Parse() const;
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String text;
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Font font;
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Color color;
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};
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};
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RichObjectType *RichObjectTypeFormula() { return &Single<RichObjectTypeFormulaCls>(); }
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void RichObjectTypeFormulaCls::Data::Serialize(Stream& stream)
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{
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int version = 1;
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stream % version % text % font % color;
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}
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RefCon<Formula> RichObjectTypeFormulaCls::Data::Parse() const
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{
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return ParseFormula(text, font, color);
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}
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String RichObjectTypeFormulaCls::GetTypeName(const Value&) const
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{
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return "Formula";
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}
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/*
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RichObject CreateFormulaObject(String text, Font font, Color color)
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{
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RichObjectTypeFormulaCls::Data data;
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data.text = text;
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data.font = font;
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data.color = color;
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RichObject obj(RichObjectTypeFormula(), data);
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obj.SetYDelta(data.Parse() -> GetDescent());
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return obj;
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}
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*/
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Size RichObjectTypeFormulaCls::GetPhysicalSize(const Value& data) const
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{
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if(IsTypeRaw<Data>(data))
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return Data(data).Parse() -> GetSize();
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return Size(0, 0);
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}
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Value RichObjectTypeFormulaCls::Read(const String& s) const
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{
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Data data;
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StringStream ss(s);
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ss % data;
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if(ss.IsError())
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return Value();
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return RawToValue(data);
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}
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String RichObjectTypeFormulaCls::Write(const Value& v) const
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{
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if(IsTypeRaw<Data>(v)) {
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StringStream ss;
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Data d(v);
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ss % d;
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return ss;
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}
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return Null;
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}
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void RichObjectTypeFormulaCls::Paint(const Value& data, Draw& w, Size sz) const
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{
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w.DrawRect(sz, White);
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if(IsTypeRaw<Data>(data)) {
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RefCon<Formula> form = Data(data).Parse();
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DrawingDraw dd(form -> GetSize());
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form -> Paint(dd, 0, form -> GetAscent());
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w.DrawDrawing(Rect(sz), dd);
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}
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}
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bool RunDlgFormula(String& text, Font& font, Color& color);
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void RichObjectTypeFormulaCls::DefaultAction(RichObject& ex) const
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{
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static Data data;
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data.text = Null;
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RichObject obj = ex;
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if(IsTypeRaw<Data>(obj.GetData()))
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data = Data(obj.GetData());
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if(RunDlgFormula(data.text, data.font, data.color)) {
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RichObject ro(RichObjectTypeFormula(), data);
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RefCon<Formula> form = data.Parse();
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ro.SetYDelta(form -> GetDescent() + Formula::GetTextDeltaY(data.font) + 15);
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ex = ro;
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}
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}
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END_UPP_NAMESPACE
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