mirror of
https://github.com/minetest/irrlicht.git
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169 lines
4.2 KiB
C
169 lines
4.2 KiB
C
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/*
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This base class is used by the Attribute editor for making your own attribute types.
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The attribute editor will try and create an attribute called "AttribType_attribute",
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and if it fails, it will create a "string_attribute".
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*/
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#ifndef __C_GUI_ATTRIBUTE_H_INCLUDED__
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#define __C_GUI_ATTRIBUTE_H_INCLUDED__
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#include "IGUIElement.h"
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#include "IGUIEnvironment.h"
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#include "IGUIFont.h"
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#include "IGUIStaticText.h"
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#include "IAttributes.h"
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namespace irr
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{
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namespace gui
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{
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const u32 ATTRIBEDIT_ATTRIB_CHANGED=MAKE_IRR_ID('A','T','T','R');
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class CGUIAttribute : public IGUIElement
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{
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public:
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//! constructor
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CGUIAttribute(IGUIEnvironment* environment, IGUIElement *parent, s32 myParentID) :
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IGUIElement(EGUIET_ELEMENT, environment, parent, -1, core::rect<s32>(0, 0, 100, 100) ),
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AttribName(0), Attribs(0), Index(0), MyParentID(myParentID)
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{
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#ifdef _DEBUG
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setDebugName("CGUIAttribute");
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#endif
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AttribName = environment->addStaticText(0,
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core::rect<s32>(0, 0,
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100, Environment->getSkin()->getFont()->getDimension(L"A").Height),
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false, false, this, -1, false);
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AttribName->grab();
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AttribName->setSubElement(true);
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AttribName->setAlignment(EGUIA_UPPERLEFT, EGUIA_LOWERRIGHT, EGUIA_UPPERLEFT, EGUIA_UPPERLEFT);
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}
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virtual ~CGUIAttribute()
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{
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if (Attribs)
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Attribs->drop();
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if (AttribName)
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AttribName->drop();
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}
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virtual bool OnEvent(const SEvent &e)
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{
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if (IsEnabled)
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{
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switch (e.EventType)
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{
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case EET_GUI_EVENT:
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switch (e.GUIEvent.EventType)
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{
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case EGET_ELEMENT_FOCUSED:
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if (Parent && isMyChild(e.GUIEvent.Caller))
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Parent->bringToFront(this);
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break;
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case EGET_ELEMENT_HOVERED:
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case EGET_ELEMENT_LEFT:
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return IGUIElement::OnEvent(e);
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case EGET_ELEMENT_FOCUS_LOST:
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updateAttrib();
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return IGUIElement::OnEvent(e);
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default:
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return updateAttrib();
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}
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break;
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case EET_KEY_INPUT_EVENT:
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return true;
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default:
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break;
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}
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}
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return IGUIElement::OnEvent(e);
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}
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//! sets the attribute to use
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virtual void setAttrib(io::IAttributes *attribs, u32 attribIndex)
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{
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if (Attribs)
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Attribs->drop();
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Attribs = attribs;
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if (Attribs)
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Attribs->grab();
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Index = attribIndex;
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core::stringw name(attribs->getAttributeName(attribIndex));
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name += L" (";
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name += attribs->getAttributeTypeString(attribIndex);
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name += L")";
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AttribName->setText(name.c_str());
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core::rect<s32> r = Parent->getAbsolutePosition();
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core::rect<s32> r2(0, 5,
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r.getWidth(), Environment->getSkin()->getFont()->getDimension(L"A").Height + 10 );
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AttribName->setRelativePosition(r2);
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// get minimum height
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s32 y=0;
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core::list<IGUIElement*>::Iterator it = Children.begin();
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for (; it != Children.end(); ++it)
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{
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if (y < (*it)->getRelativePosition().LowerRightCorner.Y)
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y = (*it)->getRelativePosition().LowerRightCorner.Y;
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}
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setMinSize( core::dimension2du(0, y+5));
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updateAttrib(false);
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}
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//! sets the parent ID, for identifying where events came from
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void setParentID(s32 parentID)
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{
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MyParentID = parentID;
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}
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//! save the attribute and possibly post the event to its parent
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virtual bool updateAttrib(bool sendEvent=true)
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{
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if (Attribs && IsEnabled && sendEvent)
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{
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// build event and pass to parent
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SEvent event;
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event.EventType = (EEVENT_TYPE)ATTRIBEDIT_ATTRIB_CHANGED;
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event.UserEvent.UserData1 = MyParentID;
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event.UserEvent.UserData2 = Index;
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return Parent->OnEvent(event);
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}
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return true;
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}
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virtual void serializeAttributes(io::IAttributes* out, io::SAttributeReadWriteOptions* options=0)
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{
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IGUIElement::serializeAttributes(out, options);
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}
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virtual void deserializeAttributes(io::IAttributes* in, io::SAttributeReadWriteOptions* options=0)
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{
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IGUIElement::deserializeAttributes(in, options);
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if (AttribName)
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AttribName->setText(Text.c_str());
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}
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protected:
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IGUIStaticText* AttribName;
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io::IAttributes* Attribs;
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u32 Index;
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s32 MyParentID;
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};
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} // namespace gui
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} // namespace irr
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#endif
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