skilllistbox.h

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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/>.
 */
 
#ifndef GUI_WIDGETS_SKILLLISTBOX_H
#define GUI_WIDGETS_SKILLLISTBOX_H
 
#include "const/resources/skill.h"
 
#include "dragdrop.h"
 
#include "gui/skin.h"
#include "gui/viewport.h"
 
#include "gui/widgets/listbox.h"
 
#include "gui/fonts/font.h"
 
#include "gui/models/skillmodel.h"
 
#include "gui/popups/popupmenu.h"
#include "gui/popups/skillpopup.h"
 
#include "utils/delete2.h"
 
#include "render/graphics.h"
 
#include "localconsts.h"
 
class SkillModel;
 
class SkillListBox final : public ListBox
{
 public:
 SkillListBox(const Widget2 *const widget,
 SkillModel *const model) :
 ListBox(widget, model, "skilllistbox.xml"),
 mModel(model),
 mTextColor(getThemeColor(ThemeColorId::TEXT, 255U)),
 mTextColor2(getThemeColor(ThemeColorId::TEXT_OUTLINE, 255U)),
 mCooldownColor(getThemeColor(ThemeColorId::SKILL_COOLDOWN, 255U)),
 mTextPadding(mSkin != nullptr ?
 mSkin->getOption("textPadding", 34) : 34),
 mSpacing(mSkin != nullptr ? mSkin->getOption("spacing", 0) : 0),
 mSkillClicked(false)
 {
 mRowHeight = getFont()->getHeight() * 2 + mSpacing + 2 * mPadding;
 mHighlightColor = getThemeColor(ThemeColorId::HIGHLIGHT, 255U);
 
 if (mRowHeight < 34)
 mRowHeight = 34;
 }
 
 A_DELETE_COPY(SkillListBox)
 
 ~SkillListBox() override final
 {
 delete2(mModel)
 }
 
 SkillInfo *getSelectedInfo() const
 {
 const int selected = getSelected();
 if ((mListModel == nullptr) || selected < 0
 || selected > mListModel->getNumberOfElements())
 {
 return nullptr;
 }
 
 return static_cast<SkillModel*>(mListModel)->getSkillAt(selected);
 }
 
 void draw(Graphics *const graphics) override final A_NONNULL(2)
 {
 if (mListModel == nullptr)
 return;
 
 SkillModel *const model = static_cast<SkillModel*>(mListModel);
 updateAlpha();
 
 mHighlightColor.a = CAST_S32(mAlpha * 255.0F);
 graphics->setColor(mHighlightColor);
 
 const int width1 = getWidth();
 const int usableWidth = width1 - 2 * mPadding;
 
 // Draw filled rectangle around the selected list element
 if (mSelected >= 0)
 {
 graphics->fillRectangle(Rect(mPadding, getRowHeight()
 * mSelected + mPadding, usableWidth,
 getRowHeight()));
 }
 
 // Draw the list elements
 Font *const font = getFont();
 const int space = font->getHeight() + mSpacing;
 const int width2 = width1 - mPadding;
 
 graphics->setColor(mCooldownColor);
 for (int i = 0, y = 1 + mPadding;
 i < model->getNumberOfElements();
 ++i, y += getRowHeight())
 {
 SkillInfo *const e = model->getSkillAt(i);
 if (e != nullptr)
 {
 if (e->cooldown != 0)
 {
 graphics->fillRectangle(Rect(mPadding, y,
 usableWidth * 100 / e->cooldown, 10));
 }
 }
 }
 
 for (int i = 0, y = 1 + mPadding;
 i < model->getNumberOfElements();
 ++i, y += getRowHeight())
 {
 SkillInfo *const e = model->getSkillAt(i);
 if (e != nullptr)
 {
 const SkillData *const data = e->data;
 const std::string &description = data->description;
 graphics->drawImage(data->icon, mPadding, y);
 font->drawString(graphics,
 mTextColor,
 mTextColor2,
 data->name,
 mTextPadding, y);
 if (!description.empty())
 {
 font->drawString(graphics,
 mTextColor,
 mTextColor2,
 description,
 mTextPadding,
 y + space);
 }
 
 if (e->skillLevelWidth < 0)
 {
 // Add one for padding
 e->skillLevelWidth = font->getWidth(e->skillLevel) + 1;
 }
 
 font->drawString(graphics,
 mTextColor,
 mTextColor2,
 e->skillLevel,
 width2 - e->skillLevelWidth,
 y);
 }
 }
 }
 
 void safeDraw(Graphics *const graphics) override final A_NONNULL(2)
 {
 SkillListBox::draw(graphics);
 }
 
 unsigned int getRowHeight() const override final
 { return mRowHeight; }
 
 const SkillInfo *getSkillByEvent(const MouseEvent &event) const
 {
 const int y = (event.getY() + mPadding) / getRowHeight();
 if (mModel == nullptr || y >= mModel->getNumberOfElements())
 return nullptr;
 const SkillInfo *const skill = mModel->getSkillAt(y);
 if (skill == nullptr)
 return nullptr;
 return skill;
 }
 
 void mouseMoved(MouseEvent &event) override final
 {
 ListBox::mouseMoved(event);
 if ((viewport == nullptr) || !dragDrop.isEmpty())
 return;
 
 const SkillInfo *const skill = getSkillByEvent(event);
 if (skill == nullptr)
 return;
 skillPopup->show(skill,
 skill->customSelectedLevel,
 skill->customCastType,
 skill->customOffsetX,
 skill->customOffsetY);
 skillPopup->position(viewport->mMouseX,
 viewport->mMouseY);
 }
 
 void mouseDragged(MouseEvent &event) override final
 {
 if (event.getButton() == MouseButton::LEFT)
 {
 if (dragDrop.isEmpty())
 {
 if (mSkillClicked)
 {
 mSkillClicked = false;
 const SkillInfo *const skill = getSkillByEvent(event);
 if (skill == nullptr)
 return;
 dragDrop.dragSkill(skill, DragDropSource::Skills, 0);
 dragDrop.setItem(skill->id + SKILL_MIN_ID);
 dragDrop.setItemData(skill->toDataStr());
 }
 ListBox::mouseDragged(event);
 }
 }
 else
 {
 ListBox::mouseDragged(event);
 }
 }
 
 void mousePressed(MouseEvent &event) override final
 {
 ListBox::mousePressed(event);
 const MouseButtonT button = event.getButton();
 if (button == MouseButton::LEFT ||
 button == MouseButton::RIGHT)
 {
 const SkillInfo *const skill = getSkillByEvent(event);
 if (skill == nullptr)
 return;
 event.consume();
 mSkillClicked = true;
 SkillModel *const model = static_cast<SkillModel*>(
 mListModel);
 if ((model != nullptr) &&
 mSelected >= 0 &&
 model->getSkillAt(mSelected) == skill)
 {
 skillPopup->hide();
 if (button == MouseButton::LEFT &&
 event.getX() >
 getWidth() - mPadding - skill->skillLevelWidth)
 {
 popupMenu->showSkillLevelPopup(skill);
 }
 else if (button == MouseButton::RIGHT)
 {
 popupMenu->showSkillPopup(skill);
 }
 }
 }
 }
 
 void mouseReleased(MouseEvent &event) override final
 {
 ListBox::mouseReleased(event);
 }
 
 void mouseExited(MouseEvent &event A_UNUSED) override final
 {
 skillPopup->hide();
 }
 
 private:
 SkillModel *mModel;
 Color mTextColor;
 Color mTextColor2;
 Color mCooldownColor;
 int mTextPadding;
 int mSpacing;
 bool mSkillClicked;
};
 
#endif // GUI_WIDGETS_SKILLLISTBOX_H