/************************************************************************ * flistview.h - Widget FListView and FListViewItem * * * * This file is part of the Final Cut widget toolkit * * * * Copyright 2017 Markus Gans * * * * The Final Cut 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 3 of the License, or * * (at your option) any later version. * * * * The Final Cut 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 . * ************************************************************************/ /* Inheritance diagram * ═══════════════════ * * ▕▔▔▔▔▔▔▔▔▔▏ ▕▔▔▔▔▔▔▔▔▔▏ * ▕ FObject ▏ ▕ FTerm ▏ * ▕▁▁▁▁▁▁▁▁▁▏ ▕▁▁▁▁▁▁▁▁▁▏ * ▲ ▲ * │ │ * └─────┬─────┘ * │ * ▕▔▔▔▔▔▔▔▔▏ * ▕ FVTerm ▏ * ▕▁▁▁▁▁▁▁▁▏ * ▲ * │ * ▕▔▔▔▔▔▔▔▔▔▏ ▕▔▔▔▔▔▔▔▔▔▏ * ▕ FWidget ▏ ▕ FObject ▏ * ▕▁▁▁▁▁▁▁▁▁▏ ▕▁▁▁▁▁▁▁▁▁▏ * ▲ ▲ * │ │ * ▕▔▔▔▔▔▔▔▔▔▔▔▏1 *▕▔▔▔▔▔▔▔▔▔▔▔▔▔▔▔▏ * ▕ FListView ▏- - - -▕ FListViewItem ▏ * ▕▁▁▁▁▁▁▁▁▁▁▁▏ ▕▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▏ */ #ifndef FLISTVIEW_H #define FLISTVIEW_H #include #include #include "final/fscrollbar.h" #include "final/fstring.h" #include "final/ftermbuffer.h" #include "final/fwidget.h" // class forward declaration class FListView; //---------------------------------------------------------------------- // class FListViewItem //---------------------------------------------------------------------- #pragma pack(push) #pragma pack(1) class FListViewItem : public FObject { public: // Constructor FListViewItem (const FListViewItem&); // copy constructor explicit FListViewItem (FObjectIterator); FListViewItem ( const FStringList& , FWidget::data_ptr , FObjectIterator ); // Destructor ~FListViewItem(); // Assignment operator (=) FListViewItem& operator = (const FListViewItem&); // Accessors const char* getClassName() const; uInt getColumnCount() const; FString getText (int) const; uInt getDepth() const; // Mutator void setText (int, const FString&); // Inquiry bool isExpand() const; // Methods FObjectIterator insert (FListViewItem*); FObjectIterator insert (FListViewItem*, FObjectIterator); void expand(); void collapse(); private: // Inquiry bool isExpandable() const; // Methods FObjectIterator appendItem (FListViewItem*); void replaceControlCodes(); int getVisibleLines(); void resetVisibleLineCounter(); // Data Member FStringList column_list; FWidget::data_ptr data_pointer; int visible_lines; bool expandable; bool is_expand; // Friend class friend class FListView; friend class FListViewIterator; }; #pragma pack(pop) // FListViewItem inline functions //---------------------------------------------------------------------- inline const char* FListViewItem::getClassName() const { return "FListViewItem"; } //---------------------------------------------------------------------- inline uInt FListViewItem::getColumnCount() const { return uInt(column_list.size()); } //---------------------------------------------------------------------- inline bool FListViewItem::isExpand() const { return is_expand; } //---------------------------------------------------------------------- inline bool FListViewItem::isExpandable() const { return expandable; } //---------------------------------------------------------------------- // class FListViewIterator //---------------------------------------------------------------------- #pragma pack(push) #pragma pack(1) class FListViewIterator { public: // Typedefs typedef std::list FObjectList; typedef FObjectList::iterator FObjectIterator; typedef std::stack FObjectIteratorStack; // Constructor FListViewIterator (); FListViewIterator (FObjectIterator); // Destructor ~FListViewIterator(); // Overloaded operators FListViewIterator& operator ++ (); // prefix FListViewIterator operator ++ (int); // postfix FListViewIterator& operator -- (); // prefix FListViewIterator operator -- (int); // postfix FListViewIterator& operator += (int); FListViewIterator& operator -= (int); FObject*& operator * () const; FObject* operator -> () const; bool operator == (const FListViewIterator&) const; bool operator != (const FListViewIterator&) const; // Accessor const char* getClassName() const; int getPosition() const; // Methods void parentElement(); private: // Methods void nextElement (FObjectIterator&); void prevElement (FObjectIterator&); // Data Members FObjectIteratorStack iter_path; FObjectIterator node; int position; }; #pragma pack(pop) // FListViewIterator inline functions //---------------------------------------------------------------------- inline FObject*& FListViewIterator::operator * () const { return *node; } //---------------------------------------------------------------------- inline FObject* FListViewIterator::operator -> () const { return *node; } //---------------------------------------------------------------------- inline bool FListViewIterator::operator == (const FListViewIterator& rhs) const { return node == rhs.node; } //---------------------------------------------------------------------- inline bool FListViewIterator::operator != (const FListViewIterator& rhs) const { return node != rhs.node; } //---------------------------------------------------------------------- inline const char* FListViewIterator::getClassName() const { return "FListViewIterator"; } //---------------------------------------------------------------------- inline int FListViewIterator::getPosition() const { return position; } //---------------------------------------------------------------------- // class FListView //---------------------------------------------------------------------- #pragma pack(push) #pragma pack(1) class FListView : public FWidget { public: // Using-declaration using FWidget::setGeometry; // Constructor explicit FListView (FWidget* = 0); // Destructor ~FListView(); // Accessors const char* getClassName() const; uInt getCount(); fc::text_alignment getColumnAlignment (int) const; FString getColumnText (int) const; FListViewItem* getCurrentItem(); // Mutators void setGeometry (int, int, int, int, bool = true); void setColumnAlignment (int, fc::text_alignment); void setColumnText (int, const FString&); bool setTreeView (bool); bool setTreeView(); bool unsetTreeView(); // Methods virtual int addColumn (const FString&, int = USE_MAX_SIZE); FObjectIterator insert (FListViewItem*); FObjectIterator insert (FListViewItem*, FObjectIterator); FObjectIterator insert ( const FStringList& , data_ptr = 0 ); FObjectIterator insert ( const FStringList& , FObjectIterator ); FObjectIterator insert ( const FStringList& , data_ptr , FObjectIterator ); FObjectIterator insert ( const std::vector& , data_ptr = 0 ); FObjectIterator insert ( const std::vector& , FObjectIterator ); FObjectIterator insert ( const std::vector& , data_ptr , FObjectIterator ); FObjectIterator beginOfList(); FObjectIterator endOfList(); // Event handlers void onKeyPress (FKeyEvent*); void onMouseDown (FMouseEvent*); void onMouseUp (FMouseEvent*); void onMouseMove (FMouseEvent*); void onMouseDoubleClick (FMouseEvent*); void onWheel (FWheelEvent*); void onTimer (FTimerEvent*); void onFocusIn (FFocusEvent*); void onFocusOut (FFocusEvent*); protected: // Methods void adjustViewport(); void adjustSize(); private: // Typedef struct Header; // forward declaration typedef std::vector
headerItems; // Constants static const int USE_MAX_SIZE = -1; // Disable copy constructor FListView (const FListView&); // Disable assignment operator (=) FListView& operator = (const FListView&); // Methods void init(); uInt getAlignOffset (fc::text_alignment, uInt, uInt); void draw(); void drawColumnLabels(); void drawList(); void drawListLine (const FListViewItem*, bool, bool); void recalculateHorizontalBar (int); void recalculateVerticalBar (int); FObjectIterator appendItem (FListViewItem*); void processClick(); void processChanged(); void setRelativePosition (int); void stepForward(); void stepBackward(); void stepForward (int); void stepBackward (int); void scrollToX (int); void scrollToY (int); void scrollTo (const FPoint &); void scrollTo (int, int); // Callback methods void cb_VBarChange (FWidget*, data_ptr); void cb_HBarChange (FWidget*, data_ptr); // Data Members FObjectIterator root; FObjectList selflist; FObjectList itemlist; FListViewIterator current_iter; FListViewIterator first_visible_line; FListViewIterator last_visible_line; headerItems header; FTermBuffer headerline; FScrollbar* vbar; FScrollbar* hbar; fc::dragScroll drag_scroll; int scroll_repeat; int scroll_distance; bool scroll_timer; bool tree_view; FPoint clicked_expander_pos; int xoffset; int nf_offset; int max_line_width; // Friend class friend class FListViewItem; }; #pragma pack(pop) //---------------------------------------------------------------------- // struct FListView::Header //---------------------------------------------------------------------- #pragma pack(push) #pragma pack(1) struct FListView::Header { public: Header() : name() , width (0) , fixed_width (false) , alignment (fc::alignLeft) { } ~Header() { } FString name; int width; bool fixed_width; fc::text_alignment alignment; }; #pragma pack(pop) // FListView inline functions //---------------------------------------------------------------------- inline const char* FListView::getClassName() const { return "FListView"; } //---------------------------------------------------------------------- inline FListViewItem* FListView::getCurrentItem() { return static_cast(*current_iter); } //---------------------------------------------------------------------- inline bool FListView::setTreeView (bool on) { return tree_view = ( on ) ? true : false; } //---------------------------------------------------------------------- inline bool FListView::setTreeView() { return setTreeView(true); } //---------------------------------------------------------------------- inline bool FListView::unsetTreeView() { return setTreeView(false); } //---------------------------------------------------------------------- inline FObject::FObjectIterator FListView::insert (FListViewItem* item) { return insert (item, root); } //---------------------------------------------------------------------- inline FObject::FObjectIterator FListView::insert ( const FStringList& cols, data_ptr d ) { return insert (cols, d, root); } //---------------------------------------------------------------------- inline FObject::FObjectIterator FListView::insert ( const FStringList& cols , FObjectIterator parent_iter ) { return insert (cols, 0, parent_iter); } //---------------------------------------------------------------------- inline FObject::FObjectIterator FListView::insert ( const std::vector& cols, data_ptr d ) { return insert (cols, d, root); } //---------------------------------------------------------------------- inline FObject::FObjectIterator FListView::insert ( const std::vector& cols , FObjectIterator parent_iter ) { return insert (cols, 0, parent_iter); } //---------------------------------------------------------------------- inline FObject::FObjectIterator FListView::beginOfList() { return itemlist.begin(); } //---------------------------------------------------------------------- inline FObject::FObjectIterator FListView::endOfList() { return itemlist.end(); } //---------------------------------------------------------------------- inline void FListView::scrollTo (const FPoint& pos) { scrollTo(pos.getX(), pos.getY()); } #endif // FLISTVIEW_H