Moved input handling from GuiHandler to set of classes in eventsSDL dir

client/eventsSDL/InputSourceTouch.cpp

@@ -0,0 +1,128 @@
+/*
+* InputSourceTouch.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 "InputSourceTouch.h"
+
+#include "InputHandler.h"
+
+#include "../../lib/CConfigHandler.h"
+#include "../CMT.h"
+#include "../gui/CGuiHandler.h"
+#include "../gui/EventDispatcher.h"
+
+#include <SDL_events.h>
+#include <SDL_render.h>
+
+InputSourceTouch::InputSourceTouch()
+	: multifinger(false)
+	, isPointerRelativeMode(settings["general"]["userRelativePointer"].Bool())
+{
+}
+
+void InputSourceTouch::handleEventFingerMotion(const SDL_TouchFingerEvent & tfinger)
+{
+	if(isPointerRelativeMode)
+	{
+		GH.input().fakeMoveCursor(tfinger.dx, tfinger.dy);
+	}
+}
+
+void InputSourceTouch::handleEventFingerDown(const SDL_TouchFingerEvent & tfinger)
+{
+	auto fingerCount = SDL_GetNumTouchFingers(tfinger.touchId);
+
+	multifinger = fingerCount > 1;
+
+	if(isPointerRelativeMode)
+	{
+		if(tfinger.x > 0.5)
+		{
+			bool isRightClick = tfinger.y < 0.5;
+
+			fakeMouseButtonEventRelativeMode(true, isRightClick);
+		}
+	}
+#ifndef VCMI_IOS
+	else if(fingerCount == 2)
+	{
+		Point position = convertTouchToMouse(tfinger);
+
+		GH.events().dispatchMouseMoved(position);
+		GH.events().dispatchMouseButtonPressed(MouseButton::RIGHT, position);
+	}
+#endif //VCMI_IOS
+}
+
+void InputSourceTouch::handleEventFingerUp(const SDL_TouchFingerEvent & tfinger)
+{
+#ifndef VCMI_IOS
+	auto fingerCount = SDL_GetNumTouchFingers(tfinger.touchId);
+#endif //VCMI_IOS
+
+	if(isPointerRelativeMode)
+	{
+		if(tfinger.x > 0.5)
+		{
+			bool isRightClick = tfinger.y < 0.5;
+
+			fakeMouseButtonEventRelativeMode(false, isRightClick);
+		}
+	}
+#ifndef VCMI_IOS
+	else if(multifinger)
+	{
+		Point position = convertTouchToMouse(tfinger);
+		GH.events().dispatchMouseMoved(position);
+		GH.events().dispatchMouseButtonReleased(MouseButton::RIGHT, position);
+		multifinger = fingerCount != 0;
+	}
+#endif //VCMI_IOS
+}
+
+Point InputSourceTouch::convertTouchToMouse(const SDL_TouchFingerEvent & tfinger)
+{
+	return Point(tfinger.x * GH.screenDimensions().x, tfinger.y * GH.screenDimensions().y);
+}
+
+void InputSourceTouch::fakeMouseButtonEventRelativeMode(bool down, bool right)
+{
+	SDL_Event event;
+	SDL_MouseButtonEvent sme = {SDL_MOUSEBUTTONDOWN, 0, 0, 0, 0, 0, 0, 0, 0, 0};
+
+	if(!down)
+	{
+		sme.type = SDL_MOUSEBUTTONUP;
+	}
+
+	sme.button = right ? SDL_BUTTON_RIGHT : SDL_BUTTON_LEFT;
+
+	sme.x = GH.getCursorPosition().x;
+	sme.y = GH.getCursorPosition().y;
+
+	float xScale, yScale;
+	int w, h, rLogicalWidth, rLogicalHeight;
+
+	SDL_GetWindowSize(mainWindow, &w, &h);
+	SDL_RenderGetLogicalSize(mainRenderer, &rLogicalWidth, &rLogicalHeight);
+	SDL_RenderGetScale(mainRenderer, &xScale, &yScale);
+
+	SDL_EventState(SDL_MOUSEMOTION, SDL_IGNORE);
+	moveCursorToPosition(Point((int)(sme.x * xScale) + (w - rLogicalWidth * xScale) / 2, (int)(sme.y * yScale + (h - rLogicalHeight * yScale) / 2)));
+	SDL_EventState(SDL_MOUSEMOTION, SDL_ENABLE);
+
+	event.button = sme;
+	SDL_PushEvent(&event);
+}
+
+void InputSourceTouch::moveCursorToPosition(const Point & position)
+{
+	SDL_WarpMouseInWindow(mainWindow, position.x, position.y);
+}