skillrectanglelistbox.h

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/*
 * The ManaPlus Client
 * 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_SKILLRECTANGLELISTBOX_H
#define GUI_WIDGETS_SKILLRECTANGLELISTBOX_H
 
#include "const/resources/skill.h"
 
#include "dragdrop.h"
#include "settings.h"
 
#include "gui/skin.h"
#include "gui/viewport.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 SkillRectangleListBox final : public Widget,
 public MouseListener
{
 public:
 SkillRectangleListBox(const Widget2 *const widget,
 SkillModel *const model) :
 Widget(widget),
 MouseListener(),
 mHighlightColor(getThemeColor(ThemeColorId::HIGHLIGHT, 255U)),
 mTextColor(getThemeColor(ThemeColorId::TEXT, 255U)),
 mTextColor2(getThemeColor(ThemeColorId::TEXT_OUTLINE, 255U)),
 mCooldownColor(getThemeColor(ThemeColorId::SKILL_COOLDOWN, 255U)),
 mForegroundSelectedColor(getThemeColor(
 ThemeColorId::LISTBOX_SELECTED, 255U)),
 mForegroundSelectedColor2(getThemeColor(
 ThemeColorId::LISTBOX_SELECTED_OUTLINE, 255U)),
 mModel(model),
 mSkin(nullptr),
 mSelected(-1),
 mPadding(2),
 mBoxWidth(80),
 mBoxHeight(70),
 mIconXOffset(24),
 mIconYOffset(10),
 mTextXOffset(0),
 mTextYOffset(44),
 mSkillClicked(false)
 {
 if (theme != nullptr)
 {
 mSkin = theme->load("skillrectanglelistbox.xml",
 "listbox.xml",
 true,
 Theme::getThemePath());
 }
 
 if (mSkin != nullptr)
 {
 mPadding = mSkin->getPadding();
 mBoxWidth = mSkin->getOption("boxWidth", 80);
 mBoxHeight = mSkin->getOption("boxHeight", 70);
 mIconXOffset = mSkin->getOption("iconXOffset", 24);
 mIconYOffset = mSkin->getOption("iconYOffset", 10);
 mTextXOffset = mSkin->getOption("textXOffset", 0);
 mTextYOffset = mSkin->getOption("textYOffset", 44);
 }
 Font *const font = getFont();
 int minWidth = font->getWidth("Lvl: 10/10") + mTextXOffset + 2;
 int minHeight = font->getHeight() + mTextYOffset + 2;
 if (mBoxWidth < minWidth)
 mBoxWidth = minWidth;
 if (mBoxHeight < minHeight)
 mBoxHeight = minHeight;
 int maxX = 0;
 int maxY = 0;
 for (int i = 0;
 i < model->getNumberOfElements();
 ++i)
 {
 SkillInfo *const e = model->getSkillAt(i);
 if (e != nullptr)
 {
 if (e->x > maxX)
 maxX = e->x;
 if (e->y > maxY)
 maxY = e->y;
 }
 }
 maxX ++;
 maxY ++;
 setWidth(maxX * mBoxWidth);
 setHeight(maxY * mBoxHeight);
 addMouseListener(this);
 }
 
 A_DELETE_COPY(SkillRectangleListBox)
 
 ~SkillRectangleListBox() override final
 {
 delete2(mModel)
 }
 
 SkillInfo *getSelectedInfo() const
 {
 if (mModel == nullptr)
 return nullptr;
 const int selected = mSelected;
 if (selected < 0 ||
 selected > mModel->getNumberOfElements())
 {
 return nullptr;
 }
 
 return mModel->getSkillAt(selected);
 }
 
 void draw(Graphics *const graphics) override final A_NONNULL(2)
 {
 if (mModel == nullptr)
 return;
 
 SkillModel *const model = mModel;
 updateAlpha();
 
 int maxX = 0;
 int maxY = 0;
 mHighlightColor.a = CAST_S32(mAlpha * 255.0F);
 graphics->setColor(mHighlightColor);
 Font *const font = getFont();
 if (mSelected >= 0)
 {
 SkillInfo *const e = model->getSkillAt(mSelected);
 if (e != nullptr)
 {
 const int x = e->x * mBoxWidth + mPadding;
 const int y = e->y * mBoxHeight + mPadding;
 
 graphics->fillRectangle(Rect(x, y,
 mBoxWidth, mBoxHeight));
 
 const int xOffset = (mBoxWidth -
 font->getWidth(e->skillLevel)) / 2;
 font->drawString(graphics,
 mForegroundSelectedColor,
 mForegroundSelectedColor,
 e->skillLevel,
 x + mTextXOffset + xOffset,
 y + mTextYOffset);
 }
 }
 
 // +++ need split drawing icons and text
 for (int i = 0;
 i < model->getNumberOfElements();
 ++i)
 {
 SkillInfo *const e = model->getSkillAt(i);
 if (e != nullptr)
 {
 if (e->x > maxX)
 maxX = e->x;
 if (e->y > maxY)
 maxY = e->y;
 const SkillData *const data = e->data;
 const int x = e->x * mBoxWidth + mPadding;
 const int y = e->y * mBoxHeight + mPadding;
 
 graphics->drawImage(data->icon,
 x + mIconXOffset,
 y + mIconYOffset);
 
 if (i != mSelected)
 {
 const int width1 = font->getWidth(e->skillLevel);
 const int xOffset = (mBoxWidth -
 width1) / 2;
 font->drawString(graphics,
 mTextColor,
 mTextColor2,
 e->skillLevel,
 x + mTextXOffset + xOffset,
 y + mTextYOffset);
 if (e->skillLevelWidth < 0)
 {
 // Add one for padding
 e->skillLevelWidth = width1 + 1;
 }
 }
 else
 {
 if (e->skillLevelWidth < 0)
 {
 // Add one for padding
 e->skillLevelWidth = font->getWidth(
 e->skillLevel) + 1;
 }
 }
 }
 }
 maxX ++;
 maxY ++;
 setWidth(maxX * mBoxWidth);
 setHeight(maxY * mBoxHeight);
 }
 
 void safeDraw(Graphics *const graphics) override final A_NONNULL(2)
 {
 SkillRectangleListBox::draw(graphics);
 }
 
 const SkillInfo *getSkillByEvent(const MouseEvent &event) const
 {
 if (mModel == nullptr)
 return nullptr;
 const int posX = (event.getX() - mPadding) / mBoxWidth;
 const int posY = (event.getY() - mPadding) / mBoxHeight;
 for (int i = 0;
 i < mModel->getNumberOfElements();
 ++i)
 {
 SkillInfo *const e = mModel->getSkillAt(i);
 if (e != nullptr)
 {
 if (posX == e->x && posY == e->y)
 return e;
 }
 }
 return nullptr;
 }
 
 int getSelectionByEvent(const MouseEvent &event) const
 {
 if (mModel == nullptr)
 return -1;
 const int posX = (event.getX() - mPadding) / mBoxWidth;
 const int posY = (event.getY() - mPadding) / mBoxHeight;
 for (int i = 0;
 i < mModel->getNumberOfElements();
 ++i)
 {
 SkillInfo *const e = mModel->getSkillAt(i);
 if (e != nullptr)
 {
 if (posX == e->x && posY == e->y)
 return i;
 }
 }
 return -1;
 }
 
 void mouseMoved(MouseEvent &event) override final
 {
 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)
 return;
 setSelected(std::max(0, getSelectionByEvent(event)));
 
 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());
 }
 }
 }
 
 void mousePressed(MouseEvent &event) override final
 {
 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 = mModel;
 if ((model != nullptr) &&
 mSelected >= 0 &&
 model->getSkillAt(mSelected) == skill)
 {
 skillPopup->hide();
 
 const int x = skill->x * mBoxWidth + mPadding;
 const int y = skill->y * mBoxHeight + mPadding;
 Font *const font = getFont();
 const int height = font->getHeight();
 const int eventX = event.getX();
 const int eventY = event.getY() - mTextYOffset;
 if (button == MouseButton::LEFT)
 {
 if (eventX >= x + mTextXOffset &&
 eventX <= x + mBoxWidth - mTextXOffset &&
 eventY >= y &&
 eventY <= y + height)
 {
 popupMenu->showSkillLevelPopup(skill);
 }
 }
 else if (button == MouseButton::RIGHT)
 {
 popupMenu->showSkillPopup(skill);
 }
 }
 }
 }
 
 void mouseReleased(MouseEvent &event) override final
 {
 if (event.getButton() == MouseButton::LEFT)
 {
 setSelected(std::max(0, getSelectionByEvent(event)));
 distributeActionEvent();
 }
 }
 
 void mouseExited(MouseEvent &event A_UNUSED) override final
 {
 skillPopup->hide();
 }
 
 void updateAlpha()
 {
 const float alpha = std::max(settings.guiAlpha,
 theme->getMinimumOpacity());
 
 if (mAlpha != alpha)
 mAlpha = alpha;
 }
 
 void setSelected(const int selected)
 {
 if (mModel == nullptr)
 {
 mSelected = -1;
 }
 else
 {
 if (selected < 0)
 mSelected = -1;
 else if (selected >= mModel->getNumberOfElements())
 mSelected = mModel->getNumberOfElements() - 1;
 else
 mSelected = selected;
 }
 }
 
 private:
 Color mHighlightColor;
 Color mTextColor;
 Color mTextColor2;
 Color mCooldownColor;
 Color mForegroundSelectedColor;
 Color mForegroundSelectedColor2;
 SkillModel *mModel;
 Skin *mSkin;
 int mSelected;
 int mPadding;
 int mBoxWidth;
 int mBoxHeight;
 int mIconXOffset;
 int mIconYOffset;
 int mTextXOffset;
 int mTextYOffset;
 bool mSkillClicked;
 static float mAlpha;
};
 
float SkillRectangleListBox::mAlpha = 1.0;
 
#endif // GUI_WIDGETS_SKILLRECTANGLELISTBOX_H