viewport.cpp

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/*
 * The ManaPlus Client
 * Copyright (C) 2004-2009 The Mana World Development Team
 * Copyright (C) 2009-2010 The Mana Developers
 * Copyright (C) 2011-2019 The ManaPlus Developers
 * Copyright (C) 2019-2021 Andrei Karas
 *
 * This file is part of The ManaPlus Client.
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2 of the License, or
 * 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 General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program. If not, see <http://www.gnu.org/licenses/>.
 */
 
#include "progs/dyecmd/gui/viewport.h"
 
#include "configuration.h"
#include "sdlshared.h"
 
#include "gui/gui.h"
#include "gui/popupmanager.h"
 
#include "render/graphics.h"
 
#include "debug.h"
 
Viewport *viewport = nullptr;
 
extern volatile int tick_time;
 
Viewport::Viewport() :
 WindowContainer(nullptr),
 MouseListener(),
 ConfigListener(),
 mMouseX(0),
 mMouseY(0),
 mMap(nullptr),
 mHoverBeing(nullptr),
 mHoverItem(nullptr),
 mHoverSign(nullptr),
 mScrollRadius(config.getIntValue("ScrollRadius")),
 mScrollLaziness(config.getIntValue("ScrollLaziness")),
 mScrollCenterOffsetX(config.getIntValue("ScrollCenterOffsetX")),
 mScrollCenterOffsetY(config.getIntValue("ScrollCenterOffsetY")),
 mMousePressX(0),
 mMousePressY(0),
 mPixelViewX(0),
 mPixelViewY(0),
 mLocalWalkTime(-1),
 mCameraRelativeX(0),
 mCameraRelativeY(0),
 mShowBeingPopup(config.getBoolValue("showBeingPopup")),
 mSelfMouseHeal(config.getBoolValue("selfMouseHeal")),
 mEnableLazyScrolling(config.getBoolValue("enableLazyScrolling")),
 mMouseDirectionMove(config.getBoolValue("mouseDirectionMove")),
 mLongMouseClick(config.getBoolValue("longmouseclick")),
 mMouseClicked(false),
 mPlayerFollowMouse(false)
{
 setOpaque(Opaque_false);
 addMouseListener(this);
 
 config.addListener("ScrollLaziness", this);
 config.addListener("ScrollRadius", this);
 config.addListener("showBeingPopup", this);
 config.addListener("selfMouseHeal", this);
 config.addListener("enableLazyScrolling", this);
 config.addListener("mouseDirectionMove", this);
 config.addListener("longmouseclick", this);
 
 setFocusable(true);
}
 
Viewport::~Viewport()
{
 config.removeListeners(this);
 CHECKLISTENERS
}
 
void Viewport::setMap(Map *const map A_UNUSED)
{
}
 
void Viewport::draw(Graphics *const graphics)
{
 BLOCK_START("Viewport::draw 1")
 static int lastTick = tick_time;
 
 graphics->setColor(Color(64, 64, 64, 255));
 graphics->fillRectangle(
 Rect(0, 0, getWidth(), getHeight()));
 
 // Avoid freaking out when tick_time overflows
 if (tick_time < lastTick)
 lastTick = tick_time;
 
 // Draw contained widgets
 WindowContainer::draw(graphics);
 BLOCK_END("Viewport::draw 1")
}
 
void Viewport::safeDraw(Graphics *const graphics)
{
 Viewport::draw(graphics);
}
 
void Viewport::logic()
{
 BLOCK_START("Viewport::logic")
 // Make the player follow the mouse position
 // if the mouse is dragged elsewhere than in a window.
 Gui::getMouseState(mMouseX, mMouseY);
 BLOCK_END("Viewport::logic")
}
 
void Viewport::followMouse()
{
}
 
void Viewport::drawDebugPath(Graphics *const graphics A_UNUSED)
{
}
 
bool Viewport::openContextMenu(const MouseEvent &event A_UNUSED)
{
 return false;
}
 
void Viewport::mousePressed(MouseEvent &event)
{
 if (event.getSource() != this || event.isConsumed())
 return;
 
 mMouseClicked = true;
 
 mMousePressX = event.getX();
 mMousePressY = event.getY();
 const MouseButtonT eventButton = event.getButton();
 
 // Right click might open a popup
 if (eventButton == MouseButton::RIGHT)
 {
 if (openContextMenu(event))
 return;
 }
 
 // If a popup is active, just remove it
 if (PopupManager::isPopupMenuVisible())
 {
 mPlayerFollowMouse = false;
 PopupManager::hidePopupMenu();
 return;
 }
 
 // Left click can cause different actions
 if (!mLongMouseClick && eventButton == MouseButton::LEFT)
 {
 if (leftMouseAction())
 {
 mPlayerFollowMouse = false;
 return;
 }
 }
}
 
void Viewport::walkByMouse(const MouseEvent &event A_UNUSED)
{
}
 
void Viewport::mouseDragged(MouseEvent &event)
{
 if (event.getSource() != this || event.isConsumed())
 {
 mPlayerFollowMouse = false;
 return;
 }
 if (mMouseClicked)
 {
 if (abs(event.getX() - mMousePressX) > 32
 || abs(event.getY() - mMousePressY) > 32)
 {
 mPlayerFollowMouse = true;
 }
 }
 
 walkByMouse(event);
}
 
void Viewport::mouseReleased(MouseEvent &event)
{
 mPlayerFollowMouse = false;
 mLocalWalkTime = -1;
 if (mLongMouseClick && mMouseClicked)
 {
 mMouseClicked = false;
 if (event.getSource() != this || event.isConsumed())
 return;
 const MouseButtonT eventButton = event.getButton();
 if (eventButton == MouseButton::LEFT)
 {
 // long button press
 if ((gui != nullptr) && gui->isLongPress())
 {
 if (openContextMenu(event))
 {
 gui->resetClickCount();
 return;
 }
 }
 else
 {
 if (leftMouseAction())
 return;
 }
 walkByMouse(event);
 }
 }
}
 
void Viewport::optionChanged(const std::string &name)
{
 if (name == "ScrollLaziness")
 mScrollLaziness = config.getIntValue("ScrollLaziness");
 else if (name == "ScrollRadius")
 mScrollRadius = config.getIntValue("ScrollRadius");
 else if (name == "showBeingPopup")
 mShowBeingPopup = config.getBoolValue("showBeingPopup");
 else if (name == "selfMouseHeal")
 mSelfMouseHeal = config.getBoolValue("selfMouseHeal");
 else if (name == "enableLazyScrolling")
 mEnableLazyScrolling = config.getBoolValue("enableLazyScrolling");
 else if (name == "mouseDirectionMove")
 mMouseDirectionMove = config.getBoolValue("mouseDirectionMove");
 else if (name == "longmouseclick")
 mLongMouseClick = config.getBoolValue("longmouseclick");
}
 
void Viewport::mouseMoved(MouseEvent &event A_UNUSED)
{
}
 
void Viewport::toggleMapDrawType()
{
}
 
void Viewport::toggleCameraMode()
{
}
 
void Viewport::cleanHoverItems()
{
 mHoverBeing = nullptr;
 mHoverItem = nullptr;
 mHoverSign = nullptr;
}
 
bool Viewport::leftMouseAction()
{
 return false;
}
 
void Viewport::videoResized()
{
}