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/*
* WindowHandler.cpp, part of VCMI engine
*
* Authors: listed in file AUTHORS in main folder
*
* License: GNU General Public License v2.0 or later
* Full text of license available in license.txt file, in main folder
*
*/
#include "StdInc.h"
#include "WindowHandler.h"
#include "CGuiHandler.h"
#include "CIntObject.h"
#include "CursorHandler.h"
#include "../CMT.h"
#include "../CGameInfo.h"
#include "../render/Canvas.h"
#include "../render/Colors.h"
#include "../renderSDL/SDL_Extensions.h"
void WindowHandler::popWindow(std::shared_ptr<IShowActivatable> top)
{
if (windowsStack.back() != top)
throw std::runtime_error("Attempt to pop non-top window from stack!");
top->deactivate();
disposed.push_back(top);
windowsStack.pop_back();
if(!windowsStack.empty())
windowsStack.back()->activate();
totalRedraw();
}
void WindowHandler::pushWindow(std::shared_ptr<IShowActivatable> newInt)
{
if (newInt == nullptr)
throw std::runtime_error("Attempt to push null window onto windows stack!");
if (vstd::contains(windowsStack, newInt))
throw std::runtime_error("Attempt to add already existing window to stack!");
//a new interface will be present, we'll need to use buffer surface (unless it's advmapint that will alter screenBuf on activate anyway)
screenBuf = screen2;
if(!windowsStack.empty())
windowsStack.back()->deactivate();
windowsStack.push_back(newInt);
CCS->curh->set(Cursor::Map::POINTER);
newInt->activate();
totalRedraw();
}
bool WindowHandler::isTopWindowPopup() const
{
if (windowsStack.empty())
return false;
return windowsStack.back()->isPopupWindow();
}
void WindowHandler::popWindows(int howMany)
{
if(!howMany)
return; //senseless but who knows...
assert(windowsStack.size() >= howMany);
windowsStack.back()->deactivate();
for(int i = 0; i < howMany; i++)
{
disposed.push_back(windowsStack.back());
windowsStack.pop_back();
}
if(!windowsStack.empty())
{
windowsStack.back()->activate();
totalRedraw();
}
GH.fakeMouseMove();
}
std::shared_ptr<IShowActivatable> WindowHandler::topWindowImpl() const
{
if(windowsStack.empty())
return nullptr;
return windowsStack.back();
}
bool WindowHandler::isTopWindow(std::shared_ptr<IShowActivatable> window) const
{
assert(window != nullptr);
return !windowsStack.empty() && windowsStack.back() == window;
}
bool WindowHandler::isTopWindow(IShowActivatable * window) const
{
assert(window != nullptr);
return !windowsStack.empty() && windowsStack.back().get() == window;
}
void WindowHandler::totalRedraw()
{
totalRedrawRequested = true;
}
void WindowHandler::totalRedrawImpl()
{
logGlobal->debug("totalRedraw requested!");
Canvas target = Canvas::createFromSurface(screen2, CanvasScalingPolicy::AUTO);
for(auto & elem : windowsStack)
elem->showAll(target);
CSDL_Ext::blitAt(screen2, 0, 0, screen);
}
void WindowHandler::simpleRedraw()
{
if (totalRedrawRequested)
totalRedrawImpl();
else
simpleRedrawImpl();
totalRedrawRequested = false;
}
void WindowHandler::simpleRedrawImpl()
{
//update only top interface and draw background
if(windowsStack.size() > 1)
CSDL_Ext::blitAt(screen2, 0, 0, screen); //blit background
Canvas target = Canvas::createFromSurface(screen, CanvasScalingPolicy::AUTO);
if(!windowsStack.empty())
windowsStack.back()->show(target); //blit active interface/window
}
void WindowHandler::onScreenResize()
{
for(const auto & entry : windowsStack)
entry->onScreenResize();
totalRedraw();
}
void WindowHandler::onFrameRendered()
{
disposed.clear();
}
size_t WindowHandler::count() const
{
return windowsStack.size();
}
void WindowHandler::clear()
{
if(!windowsStack.empty())
windowsStack.back()->deactivate();
windowsStack.clear();
disposed.clear();
}
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