vcmi/client/BattleInterface/CBattleConsole.cpp

#include "StdInc.h"
#include "CBattleConsole.h"
#include "../SDL_Extensions.h"

CBattleConsole::CBattleConsole() : lastShown(-1), alterTxt(""), whoSetAlter(0)
{
}

CBattleConsole::~CBattleConsole()
{
	texts.clear();
}

void CBattleConsole::show(SDL_Surface * to)
{
	if(ingcAlter.size())
	{
		CSDL_Ext::printAtMiddleWB(ingcAlter, pos.x + pos.w/2, pos.y + 11, FONT_SMALL, 80, zwykly, to);
	}
	else if(alterTxt.size())
	{
		CSDL_Ext::printAtMiddleWB(alterTxt, pos.x + pos.w/2, pos.y + 11, FONT_SMALL, 80, zwykly, to);
	}
	else if(texts.size())
	{
		if(texts.size()==1)
		{
			CSDL_Ext::printAtMiddleWB(texts[0], pos.x + pos.w/2, pos.y + 11, FONT_SMALL, 80, zwykly, to);
		}
		else
		{
			CSDL_Ext::printAtMiddleWB(texts[lastShown-1], pos.x + pos.w/2, pos.y + 11, FONT_SMALL, 80, zwykly, to);
			CSDL_Ext::printAtMiddleWB(texts[lastShown], pos.x + pos.w/2, pos.y + 27, FONT_SMALL, 80, zwykly, to);
		}
	}
}

bool CBattleConsole::addText(const std::string & text)
{
	if(text.size()>70)
		return false; //text too long!
	int firstInToken = 0;
	for(size_t i = 0; i < text.size(); ++i) //tokenize
	{
		if(text[i] == 10)
		{
			texts.push_back( text.substr(firstInToken, i-firstInToken) );
			firstInToken = i+1;
		}
	}

	texts.push_back( text.substr(firstInToken, text.size()) );
	lastShown = texts.size()-1;
	return true;
}

void CBattleConsole::eraseText(ui32 pos)
{
	if(pos < texts.size())
	{
		texts.erase(texts.begin() + pos);
		if(lastShown == texts.size())
			--lastShown;
	}
}

void CBattleConsole::changeTextAt(const std::string & text, ui32 pos)
{
	if(pos >= texts.size()) //no such pos
		return;
	texts[pos] = text;
}

void CBattleConsole::scrollUp(ui32 by)
{
	if(lastShown > static_cast<int>(by))
		lastShown -= by;
}

void CBattleConsole::scrollDown(ui32 by)
{
	if(lastShown + by < texts.size())
		lastShown += by;
}