khanat-code-old/code/nel/src/gui/ctrl_text_button.cpp

// Ryzom - MMORPG Framework <http://dev.ryzom.com/projects/ryzom/>
// Copyright (C) 2010  Winch Gate Property Limited
//
// This program is free software: you can redistribute it and/or modify
// it under the terms of the GNU Affero General Public License as
// published by the Free Software Foundation, either version 3 of the
// License, or (at your option) any later version.
//
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
// GNU Affero General Public License for more details.
//
// You should have received a copy of the GNU Affero General Public License
// along with this program.  If not, see <http://www.gnu.org/licenses/>.

#include "nel/gui/ctrl_text_button.h"
#include "nel/misc/xml_auto_ptr.h"
#include "nel/gui/view_text.h"
#include "nel/gui/view_text_id.h"
#include "nel/gui/group_container_base.h"
#include "nel/gui/lua_ihm.h"
#include "nel/gui/widget_manager.h"
#include "nel/misc/i18n.h"

using namespace std;
using namespace NLMISC;
using namespace NL3D;


NLMISC_REGISTER_OBJECT(CViewBase, CCtrlTextButton, std::string, "text_button");

namespace NLGUI
{

	// ***************************************************************************
	CCtrlTextButton::CCtrlTextButton(const TCtorParam &param)
	:	CCtrlBaseButton(param)
	{
		_BmpLeftW= _BmpMiddleW= _BmpRightW= _BmpH= 0;
		_WMargin= 0;
		_WMin= 0;
		_TextX= -2;
		_TextY= -2;
		_Setuped= false;
		_ViewText= NULL;
		_IsViewTextId= false;
		_TextColorNormal= CRGBA(255, 255, 255, 255);
		_TextColorPushed= CRGBA(255, 255, 255, 255);
		_TextColorOver= CRGBA(255, 255, 255, 255);
		_TextShadowColorNormal= CRGBA(0, 0, 0, 255);
		_TextShadowColorPushed= CRGBA(0, 0, 0, 255);
		_TextShadowColorOver= CRGBA(0, 0, 0, 255);
		_TextModulateGlobalColorNormal= true;
		_TextModulateGlobalColorPushed= true;
		_TextModulateGlobalColorOver= true;
		_TextHeaderColor= false;
		_TextPosRef = Hotspot_MM;
		_TextParentPosRef = Hotspot_MM;
		_ForceTextOver = false;
	}

	// ***************************************************************************
	bool CCtrlTextButton::parse(xmlNodePtr cur, CInterfaceGroup * parentGroup)
	{
		CXMLAutoPtr prop;
		CViewRenderer &rVR = *CViewRenderer::getInstance();

		//try to get props that can be inherited from groups
		//if a property is not defined, try to find it in the parent group.
		//if it is undefined, set it to zero
		if (! CCtrlBaseButton::parse(cur,parentGroup) )
		{
			string tmp = "cannot parse view:"+getId()+", parent:"+parentGroup->getId();
			nlinfo(tmp.c_str());
			return false;
		}


		// *** Read Textures.
		prop = (char*) xmlGetProp( cur, (xmlChar*)"tx_normal" );
		if (prop)
		{
			string TxName = toLower(std::string((const char *) prop));
			_TextureIdNormal[0].setTexture((TxName+"_l.tga").c_str());
			_TextureIdNormal[1].setTexture((TxName+"_m.tga").c_str());
			_TextureIdNormal[2].setTexture((TxName+"_r.tga").c_str());
		}

		prop = (char*) xmlGetProp( cur, (xmlChar*)"tx_pushed" );
		if (prop)
		{
			string TxName = toLower(std::string((const char *) prop));
			_TextureIdPushed[0].setTexture((TxName+"_l.tga").c_str());
			_TextureIdPushed[1].setTexture((TxName+"_m.tga").c_str());
			_TextureIdPushed[2].setTexture((TxName+"_r.tga").c_str());
		}

		prop = (char*) xmlGetProp( cur, (xmlChar*)"tx_over" );
		if (prop)
		{
			string TxName = toLower(std::string((const char *) prop));
			_TextureIdOver[0].setTexture((TxName+"_l.tga").c_str());
			_TextureIdOver[1].setTexture((TxName+"_m.tga").c_str());
			_TextureIdOver[2].setTexture((TxName+"_r.tga").c_str());
		}

		// Compute Bmp Sizes
		nlctassert(NumTexture==3);
		rVR.getTextureSizeFromId(_TextureIdNormal[0], _BmpLeftW, _BmpH);
		rVR.getTextureSizeFromId(_TextureIdNormal[1], _BmpMiddleW, _BmpH);
		rVR.getTextureSizeFromId(_TextureIdNormal[2], _BmpRightW, _BmpH);


		// *** Create the ViewText for draw, and set text
		// ViewTextId or standard view?
		CXMLAutoPtr ptr((const char*)xmlGetProp(cur,(xmlChar*)"textid"));
		_IsViewTextId= (bool)ptr;
		if(_IsViewTextId)
			_ViewText= new CViewTextID(CViewBase::TCtorParam());
		else
			_ViewText= new CViewText(CViewBase::TCtorParam());
		_ViewText->setId(_Id+"_text");
		_ViewText->parseTextOptions(cur);
		_ViewText->setAvoidResizeParent(avoidResizeParent());
		if(_IsViewTextId)
			((CViewTextID*)_ViewText)->parseTextIdOptions(cur);
		// Same RenderLayer as us.
		_ViewText->setRenderLayer(getRenderLayer());
		// Parse the hardText (if not text id)
		if(!_IsViewTextId)
		{
			prop = (char*) xmlGetProp( cur, (xmlChar*)"hardtext" );
			if (prop)
			{
				const char *propPtr = prop;
				ucstring text = ucstring(propPtr);
				if ((strlen(propPtr)>2) && (propPtr[0] == 'u') && (propPtr[1] == 'i'))
					text = CI18N::get (propPtr);
				_ViewText->setText(text);
			}
		}

		// wmargin
		_WMargin= 0;
		prop = (char*) xmlGetProp( cur, (xmlChar*)"wmargin" );
		if (prop)
		{
			fromString((const char *) prop, _WMargin);
		}

		// wmin
		_WMin= 0;
		prop = (char*) xmlGetProp( cur, (xmlChar*)"wmin" );
		if (prop)
		{
			fromString((const char *) prop, _WMin);
		}
		// _WMin is at least the size of All W Bitmaps
		_WMin= max(_WMin, _BmpLeftW + _BmpMiddleW + _BmpRightW);

		// TextY
		_TextY= -2;
		prop = (char*) xmlGetProp( cur, (xmlChar*)"text_y" );
		if (prop)
		{
			fromString((const char *) prop, _TextY);
		}
		_TextX = 0;
		prop = (char*) xmlGetProp( cur, (xmlChar*)"text_x" );
		if (prop)
		{
			fromString((const char *) prop, _TextX);
		}

		prop = (char*) xmlGetProp( cur, (xmlChar*)"text_underlined" );
		if (prop)
		{
			_ViewText->setUnderlined(convertBool(prop));
		}

		prop = (char*) xmlGetProp( cur, (xmlChar*) "text_posref" );
		_TextParentPosRef = Hotspot_MM;
		_TextPosRef = Hotspot_MM;
		if (prop)
		{
			char *seekPtr = prop.getDatas();
			seekPtr = strtok(seekPtr," \t");
			if (seekPtr == NULL)
			{
				// mean that there s a bad formated posref (missing space or tab)
				nlwarning("bad 'text_pos_ref' formatting");
			}
			else
			{
				_TextParentPosRef = convertHotSpot (seekPtr);
				seekPtr = strtok (seekPtr+1+strlen(seekPtr)," \t");
				_TextPosRef = convertHotSpot (seekPtr);
			}
		}


		// *** Read Text Colors
		// get color normal
		prop= (char*) xmlGetProp( cur, (xmlChar*)"text_color_normal" );
		_TextColorNormal = CRGBA(255,255,255,255);
		if (prop)
			_TextColorNormal = convertColor (prop);

		// Get ColorPushed
		prop= (char*) xmlGetProp( cur, (xmlChar*)"text_color_pushed" );
		_TextColorPushed = CRGBA(255,255,255,255);
		if (prop)
			_TextColorPushed = convertColor(prop);

		// Get ColorOver
		prop= (char*) xmlGetProp( cur, (xmlChar*)"text_color_over" );
		_TextColorOver = CRGBA(255,255,255,255);
		if (prop)
			_TextColorOver = convertColor(prop);


		// *** Read Text Shadow Colors
		// get color normal
		prop= (char*) xmlGetProp( cur, (xmlChar*)"text_shadow_color_normal" );
		_TextShadowColorNormal = CRGBA(0,0,0,255);
		if (prop)
			_TextShadowColorNormal = convertColor (prop);

		// Get ColorPushed
		prop= (char*) xmlGetProp( cur, (xmlChar*)"text_shadow_color_pushed" );
		_TextShadowColorPushed = CRGBA(0,0,0,255);
		if (prop)
			_TextShadowColorPushed = convertColor(prop);

		// Get ColorOver
		prop= (char*) xmlGetProp( cur, (xmlChar*)"text_shadow_color_over" );
		_TextShadowColorOver = CRGBA(0,0,0,255);
		if (prop)
			_TextShadowColorOver = convertColor(prop);

		// *** Read Text Global Color
		// Default: take "global_color" param interface_element option.
		_TextModulateGlobalColorNormal= _TextModulateGlobalColorPushed= _TextModulateGlobalColorOver= getModulateGlobalColor();

		// Read special text global_color for each state
		prop = (char*) xmlGetProp( cur, (xmlChar*)"text_global_color_normal" );
		if (prop)	_TextModulateGlobalColorNormal= convertBool(prop);
		prop = (char*) xmlGetProp( cur, (xmlChar*)"text_global_color_pushed" );
		if (prop)	_TextModulateGlobalColorPushed= convertBool(prop);
		prop = (char*) xmlGetProp( cur, (xmlChar*)"text_global_color_over" );
		if (prop)	_TextModulateGlobalColorOver= convertBool(prop);
		prop = (char*) xmlGetProp( cur, (xmlChar*)"force_text_over" );
		if (prop)	_ForceTextOver= convertBool(prop);

		// read Text header color
		prop = (char*) xmlGetProp( cur, (xmlChar*)"text_header_color" );
		if (prop)	_TextHeaderColor= convertBool(prop);

		return true;
	}

	// ***************************************************************************
	void CCtrlTextButton::draw ()
	{
		CViewRenderer::CTextureId *pTxId = NULL;
		CRGBA  color;

		CViewRenderer &rVR = *CViewRenderer::getInstance();
		CRGBA	globalColor= CWidgetManager::getInstance()->getGlobalColorForContent();

		// *** Detect Over
		bool	lastOver = false;
		updateOver(lastOver);

		// *** Choose Button State
		switch(_Type)
		{
			case ToggleButton:
			{
				if (_Pushed)
				{
					pTxId = _TextureIdPushed;
					color  = getCurrentColorPushed(globalColor);
				}
				else
				{
					pTxId = _TextureIdNormal;
					color  = getCurrentColorNormal(globalColor);
				}
			}
			break;
			case RadioButton:
			{
	//			CViewPointer &rIP = *CInterfaceManager::getInstance()->getPointer();
				// Init the radio button
				initRBRef();

				if (*_RBRef == this)
				{
					// if it is equal to the ref value, then the button must appear pushed
					pTxId = _TextureIdPushed;
					color  = getCurrentColorPushed(globalColor);
				}
				else
				{
					if ((_Over) && (CWidgetManager::getInstance()->getCapturePointerLeft() == this))
					{
						pTxId = _TextureIdPushed;
						color  = getCurrentColorPushed(globalColor);
					}
					else
					{
						pTxId = _TextureIdNormal;
						color     = getCurrentColorNormal(globalColor);
						_Pushed = false;
					}
				}
			}
			break;
			case PushButton:
			{
				if (_Over && (CWidgetManager::getInstance()->getCapturePointerLeft() == this))
				{
					pTxId = _TextureIdPushed;
					color  = getCurrentColorPushed(globalColor);
				}
				else
				{
					pTxId = _TextureIdNormal;
					color     = getCurrentColorNormal(globalColor);
					_Pushed = false;
				}
			}
			break;
			default:
			break;
		}

		// *** Draw
		color.A = (uint8)(((sint32)color.A*((sint32)globalColor.A+1))>>8);

		// Fromzen ?
		if (getFrozen() && getFrozenHalfTone())
			color.A >>= 2;

		sint32	x= _XReal;
		sint32	y= _YReal;
		sint32	txw, txh;
		txw = _WReal - _BmpLeftW - _BmpRightW;
		txh = _HReal;
		nlctassert(NumTexture==3);
		rVR.drawRotFlipBitmap (	_RenderLayer, x, y, _BmpLeftW, txh, 0, false, pTxId[0], color );
		rVR.drawRotFlipBitmap (	_RenderLayer, x+_BmpLeftW, y, txw, txh, 0, false, pTxId[1], color );
		rVR.drawRotFlipBitmap (	_RenderLayer, x+_BmpLeftW+txw, y, _BmpRightW, txh, 0, false, pTxId[2], color );

		// *** Draw Over
		if (_Over && (_OverWhenPushed || !(_Pushed || CWidgetManager::getInstance()->getCapturePointerLeft() == this)))
		{
			if ((lastOver == false) && (_AHOnOver != NULL))
				CAHManager::getInstance()->runActionHandler (_AHOnOver, this, _AHOverParams);

			// the pointer is over the button.
			color= getCurrentColorOver(globalColor);
			color.A = (uint8)(((sint32)color.A*((sint32)globalColor.A+1))>>8);

			// Fromzen ?
			if (getFrozen() && getFrozenHalfTone())
				color.A >>= 2;

			nlctassert(NumTexture==3);
			pTxId= _TextureIdOver;
			uint layerOffset = _ForceTextOver ? 0 : 1; // Must write Over On Top of the text ?

			rVR.drawRotFlipBitmap (	_RenderLayer+layerOffset, x, y, _BmpLeftW, txh, 0, false, pTxId[0], color );
			rVR.drawRotFlipBitmap (	_RenderLayer+layerOffset, x+_BmpLeftW, y, txw, txh, 0, false, pTxId[1], color );
			rVR.drawRotFlipBitmap (	_RenderLayer+layerOffset, x+_BmpLeftW+txw, y, _BmpRightW, txh, 0, false, pTxId[2], color );
		}

		// *** Setup ViewText Color according to selected one (should be drawn after because of eltorder)
		// update header color?
		CRGBA	viewTextColor;
		if(_TextHeaderColor)
		{
			CInterfaceGroup		*pIG= getRootWindow();
			if(pIG->isGroupContainer())
			{
				CGroupContainerBase *pGC = static_cast<CGroupContainerBase*>(pIG);
				viewTextColor= pGC->getDrawnHeaderColor();
			}
		}
		// Setup ViewText color
		if ( pTxId==_TextureIdNormal )
		{
			if(_TextHeaderColor)	viewTextColor.A=  _TextColorNormal.A;
			else					viewTextColor= _TextColorNormal;
			_ViewText->setColor(viewTextColor);
			_ViewText->setShadowColor(_TextShadowColorNormal);
			_ViewText->setModulateGlobalColor(_TextModulateGlobalColorNormal);
		}
		else if ( pTxId==_TextureIdPushed )
		{
			if(_TextHeaderColor)	viewTextColor.A=  _TextColorPushed.A;
			else					viewTextColor= _TextColorPushed;
			_ViewText->setColor(viewTextColor);
			_ViewText->setShadowColor(_TextShadowColorPushed);
			_ViewText->setModulateGlobalColor(_TextModulateGlobalColorPushed);
		}
		else if ( pTxId==_TextureIdOver )
		{
			if(_TextHeaderColor)	viewTextColor.A=  _TextColorOver.A;
			else					viewTextColor= _TextColorOver;
			_ViewText->setColor(viewTextColor);
			_ViewText->setShadowColor(_TextShadowColorOver);
			_ViewText->setModulateGlobalColor(_TextModulateGlobalColorOver);
		}
		if(getFrozen() && getFrozenHalfTone())
			_ViewText->setAlpha(_ViewText->getAlpha()>>2);
	}


	// ***************************************************************************
	void CCtrlTextButton::updateCoords()
	{
		// Should have been setuped with addCtrl
		nlassert(_Setuped);

		// Compute Size according to bitmap and Text.
		if (!(_SizeRef & 1))
		{
			_W= _ViewText->getW() + _WMargin + _TextX;
			// Ensure as big as possible button
			_W= max(_W, _WMin);
		}
		if (!(_SizeRef & 2))
		{
			_H= _BmpH;
		}

		CViewBase::updateCoords();
	}

	// ***************************************************************************
	sint32 CCtrlTextButton::getWMax() const
	{
		return max(_ViewText->getW(false) + _WMargin + _TextX, _WMin);
	}

	// ***************************************************************************
	void CCtrlTextButton::setup()
	{
		_Setuped= true;

		// setup the viewText and add to parent
		_ViewText->setParent (getParent());
		_ViewText->setParentPos (this);
		_ViewText->setParentPosRef (_TextParentPosRef);
		_ViewText->setPosRef (_TextPosRef);
		_ViewText->setActive(_Active);
		_ViewText->setX(_TextX);
		_ViewText->setY(_TextY);

		getParent()->addView(_ViewText);
	}

	// ***************************************************************************
	void CCtrlTextButton::setTextX(sint32 x)
	{
		_TextX = x;
		if (_ViewText) _ViewText->setX(_TextX);
	}

	// ***************************************************************************
	sint32	CCtrlTextButton::getMaxUsedW() const
	{
		return _W;
	}

	// ***************************************************************************
	sint32	CCtrlTextButton::getMinUsedW() const
	{
		return _W;
	}

	// ***************************************************************************
	void CCtrlTextButton::setActive(bool state)
	{
		_ViewText->setActive(state);
		CCtrlBaseButton::setActive(state);
	}


	// ***************************************************************************
	void CCtrlTextButton::onAddToGroup()
	{
		// Add the view if not done
		if(!_Setuped)
			setup();
	}


	// ***************************************************************************
	void CCtrlTextButton::setText (const ucstring &text)
	{
		if (_ViewText && !_IsViewTextId)
			_ViewText->setText(text);
	}

	// ***************************************************************************
	ucstring CCtrlTextButton::getText () const
	{
		if (_ViewText && !_IsViewTextId)
			return _ViewText->getText();
		return ucstring("");
	}

	// ***************************************************************************
	void CCtrlTextButton::setHardText (const std::string &text)
	{
		if (_ViewText && !_IsViewTextId)
			_ViewText->setHardText(text);
	}

	// ***************************************************************************
	string CCtrlTextButton::getHardText () const
	{
		if (_ViewText && !_IsViewTextId)
			return _ViewText->getHardText();
		return string("");
	}

	// ***************************************************************************

	CViewText*	CCtrlTextButton::getViewText()
	{
		return _ViewText;
	}

	// ***************************************************************************

	int CCtrlTextButton::luaGetViewText(CLuaState &ls)
	{
		const char *funcName = "getViewText";
		CLuaIHM::checkArgCount(ls, funcName, 0);
		CLuaIHM::pushUIOnStack(ls, getViewText());
		return 1;
	}

	// ***************************************************************************

}