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gui/widgets/grid.h
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278
gui/widgets/grid.h
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/* ScummVM - Graphic Adventure Engine
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*
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* ScummVM is the legal property of its developers, whose names
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* are too numerous to list here. Please refer to the COPYRIGHT
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* file distributed with this source distribution.
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*
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*/
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#ifndef GUI_WIDGETS_GRID_H
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#define GUI_WIDGETS_GRID_H
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#include "gui/dialog.h"
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#include "gui/widgets/scrollbar.h"
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#include "common/str.h"
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#include "image/bmp.h"
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#include "image/png.h"
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#include "graphics/svg.h"
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namespace GUI {
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class ScrollBarWidget;
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class GridItemWidget;
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class GridWidget;
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enum {
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kPlayButtonCmd = 'PLAY',
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kEditButtonCmd = 'EDIT',
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kLoadButtonCmd = 'LOAD',
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kOpenTrayCmd = 'OPTR',
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kItemClicked = 'LBX1',
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kItemDoubleClickedCmd = 'LBX2',
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kItemSizeCmd = 'SIZE'
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};
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/* GridItemInfo */
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struct GridItemInfo {
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bool isHeader, validEntry;
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int entryID;
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Common::String engineid;
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Common::String gameid;
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Common::String title;
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Common::String description;
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Common::String extra;
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Common::String thumbPath;
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// Generic attribute value, may be any piece of metadata
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Common::String attribute;
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Common::Language language;
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Common::Platform platform;
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int32 x, y, w, h;
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GridItemInfo(int id, const Common::String &eid, const Common::String &gid, const Common::String &t,
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const Common::String &d, const Common::String &e, Common::Language l, Common::Platform p, bool v)
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: entryID(id), gameid(gid), engineid(eid), title(t), description(d), extra(e), language(l), platform(p), validEntry(v), isHeader(false) {
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thumbPath = Common::String::format("icons/%s-%s.png", engineid.c_str(), gameid.c_str());
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}
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GridItemInfo(const Common::String &groupHeader, int groupID) : title(groupHeader), description(groupHeader),
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isHeader(true), validEntry(true), entryID(groupID), language(Common::UNK_LANG), platform(Common::kPlatformUnknown) {
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thumbPath = Common::String("");
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}
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};
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/* GridItemTray */
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class GridItemTray: public Dialog, public CommandSender {
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int _entryID;
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GridWidget *_grid;
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GuiObject *_boss;
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PicButtonWidget *_playButton;
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PicButtonWidget *_loadButton;
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PicButtonWidget *_editButton;
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public:
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GridItemTray(GuiObject *boss, int x, int y, int w, int h, int entryID, GridWidget *grid);
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void reflowLayout() override;
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void handleCommand(CommandSender *sender, uint32 cmd, uint32 data) override;
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void handleMouseDown(int x, int y, int button, int clickCount) override;
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void handleMouseUp(int x, int y, int button, int clickCount) override;
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void handleMouseWheel(int x, int y, int direction) override;
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void handleMouseMoved(int x, int y, int button) override;
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};
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/* GridWidget */
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class GridWidget : public ContainerWidget, public CommandSender {
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protected:
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Common::HashMap<int, const Graphics::ManagedSurface *> _platformIcons;
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Common::HashMap<int, const Graphics::ManagedSurface *> _languageIcons;
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Common::HashMap<int, const Graphics::ManagedSurface *> _extraIcons;
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Common::HashMap<int, Graphics::AlphaType> _platformIconsAlpha;
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Common::HashMap<int, Graphics::AlphaType> _languageIconsAlpha;
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Common::HashMap<int, Graphics::AlphaType> _extraIconsAlpha;
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Graphics::ManagedSurface *_disabledIconOverlay;
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// Images are mapped by filename -> surface.
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Common::HashMap<Common::String, const Graphics::ManagedSurface *> _loadedSurfaces;
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Common::Array<GridItemInfo> _dataEntryList;
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Common::Array<GridItemInfo> _headerEntryList;
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Common::Array<GridItemInfo *> _sortedEntryList;
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Common::Array<GridItemInfo *> _visibleEntryList;
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Common::String _groupingAttribute;
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Common::HashMap<Common::U32String, int> _groupValueIndex;
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Common::Array<bool> _groupExpanded;
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Common::U32String _groupHeaderPrefix;
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Common::U32String _groupHeaderSuffix;
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Common::Array<Common::U32String> _groupHeaders;
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Common::StringMap _metadataNames;
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Common::HashMap<int, Common::Array<int> > _itemsInGroup;
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Common::Array<GridItemWidget *> _gridItems;
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ScrollBarWidget *_scrollBar;
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int _scrollBarWidth;
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int _scrollWindowHeight;
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int _scrollWindowWidth;
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int _scrollSpeed;
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int _scrollPos;
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int _innerHeight;
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int _innerWidth;
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int _thumbnailHeight;
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int _thumbnailWidth;
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int _flagIconHeight;
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int _flagIconWidth;
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int _platformIconHeight;
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int _platformIconWidth;
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int _extraIconHeight;
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int _extraIconWidth;
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int _minGridXSpacing;
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int _minGridYSpacing;
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int _rows;
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int _itemsPerRow;
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int _firstVisibleItem;
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int _lastVisibleItem;
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bool _isGridInvalid;
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int _scrollWindowPaddingX;
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int _scrollWindowPaddingY;
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int _gridHeaderHeight;
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int _gridHeaderWidth;
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int _trayHeight;
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bool _multiSelectEnabled; /// Flag for multi-selection
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public:
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int _gridItemHeight;
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int _gridItemWidth;
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int _gridXSpacing;
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int _gridYSpacing;
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int _thumbnailMargin;
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bool _isTitlesVisible;
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GridItemInfo *_selectedEntry;
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Common::U32String _filter;
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GridWidget(GuiObject *boss, const Common::String &name);
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~GridWidget();
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template<typename T>
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void unloadSurfaces(Common::HashMap<T, const Graphics::ManagedSurface *> &surfaces);
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const Graphics::ManagedSurface *filenameToSurface(const Common::String &name);
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const Graphics::ManagedSurface *languageToSurface(Common::Language languageCode, Graphics::AlphaType &alphaType);
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const Graphics::ManagedSurface *platformToSurface(Common::Platform platformCode, Graphics::AlphaType &alphaType);
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const Graphics::ManagedSurface *demoToSurface(const Common::String &extraString, Graphics::AlphaType &alphaType);
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const Graphics::ManagedSurface *disabledThumbnail();
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/// Update _visibleEntries from _allEntries and returns true if reload is required.
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bool calcVisibleEntries();
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void setEntryList(Common::Array<GridItemInfo> *list);
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void setAttributeValues(const Common::Array<Common::U32String> &attrs);
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void setMetadataNames(const Common::StringMap &metadata);
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void setTitlesVisible(bool vis);
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void markGridAsInvalid() { _isGridInvalid = true; }
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void setGroupHeaderFormat(const Common::U32String &prefix, const Common::U32String &suffix);
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void groupEntries();
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void sortGroups();
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bool groupExpanded(int groupID) { return _groupExpanded[groupID]; }
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void toggleGroup(int groupID);
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void loadClosedGroups(const Common::U32String &groupName);
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void saveClosedGroups(const Common::U32String &groupName);
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void reloadThumbnails();
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void loadFlagIcons();
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void loadPlatformIcons();
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void loadExtraIcons();
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void destroyItems();
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void calcInnerHeight();
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void calcEntrySizes();
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void updateGrid();
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void move(int x, int y);
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void scrollToEntry(int id, bool forceToTop);
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void assignEntriesToItems();
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int getItemPos(int item);
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int getNewSel(int index);
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int getVisualPos(int entryID) const;
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void selectVisualRange(int startPos, int endPos);
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int getScrollPos() const { return _scrollPos; }
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int getSelected() const { return ((_selectedEntry == nullptr) ? -1 : _selectedEntry->entryID); }
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int getThumbnailHeight() const { return _thumbnailHeight; }
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int getThumbnailWidth() const { return _thumbnailWidth; }
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void handleMouseWheel(int x, int y, int direction) override;
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void handleCommand(CommandSender *sender, uint32 cmd, uint32 data) override;
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void reflowLayout() override;
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bool wantsFocus() override { return true; }
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bool handleKeyDown(Common::KeyState state) override;
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bool handleKeyUp(Common::KeyState state) override;
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void openTrayAtSelected();
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void scrollBarRecalc();
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void setSelected(int id);
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void setFilter(const Common::U32String &filter);
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// Multi-selection methods
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void setMultiSelectEnabled(bool enabled) { _multiSelectEnabled = enabled; }
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bool isMultiSelectEnabled() const { return _multiSelectEnabled; }
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Common::Array<bool> _selectedItems; /// Multiple selected items (bool array)
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int _lastSelectedEntryID = -1; /// Used for Shift+Click range selection
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bool isItemSelected(int entryID) const;
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void markSelectedItem(int entryID, bool state);
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void clearSelection();
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const Common::Array<bool> &getSelectedItems() const { return _selectedItems; }
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};
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/* GridItemWidget */
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class GridItemWidget : public ContainerWidget, public CommandSender {
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protected:
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Graphics::ManagedSurface _thumbGfx;
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Graphics::AlphaType _thumbAlpha;
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GridItemInfo *_activeEntry;
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GridWidget *_grid;
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bool _isHighlighted;
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public:
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GridItemWidget(GridWidget *boss);
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void move(int x, int y);
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void update();
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void updateThumb();
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void setActiveEntry(GridItemInfo &entry);
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void drawWidget() override;
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void handleMouseWheel(int x, int y, int direction) override;
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void handleMouseEntered(int button) override;
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void handleMouseLeft(int button) override;
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void handleMouseDown(int x, int y, int button, int clickCount) override;
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void handleMouseMoved(int x, int y, int button) override;
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};
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} // End of namespace GUI
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#endif
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