170 lines
6.1 KiB
C++
170 lines
6.1 KiB
C++
/***********************************************************************
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* fmenubar.h - Widget FMenuBar *
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* *
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* This file is part of the FINAL CUT widget toolkit *
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* *
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* Copyright 2015-2020 Markus Gans *
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* *
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* FINAL CUT is free software; you can redistribute it and/or modify *
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* it under the terms of the GNU Lesser General Public License as *
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* published by the Free Software Foundation; either version 3 of *
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* the License, or (at your option) any later version. *
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* *
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* FINAL CUT is distributed in the hope that it will be useful, but *
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* 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 Lesser General Public License for more details. *
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* *
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* You should have received a copy of the GNU Lesser General Public *
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* License along with this program. If not, see *
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* <http://www.gnu.org/licenses/>. *
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***********************************************************************/
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/* Inheritance diagram
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* ═══════════════════
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*
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* ▕▔▔▔▔▔▔▔▔▔▏ ▕▔▔▔▔▔▔▔▔▔▏
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* ▕ FVTerm ▏ ▕ FObject ▏
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* ▕▁▁▁▁▁▁▁▁▁▏ ▕▁▁▁▁▁▁▁▁▁▏
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* ▲ ▲
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* │ │
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* └─────┬─────┘
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* │
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* ▕▔▔▔▔▔▔▔▔▔▏
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* ▕ FWidget ▏
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* ▕▁▁▁▁▁▁▁▁▁▏
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* ▲
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* │
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* ▕▔▔▔▔▔▔▔▔▔▏ ▕▔▔▔▔▔▔▔▔▔▔▔▏1 *▕▔▔▔▔▔▔▔▔▔▔▔▏
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* ▕ FWindow ▏ ▕ FMenuList ▏- - - -▕ FMenuItem ▏
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* ▕▁▁▁▁▁▁▁▁▁▏ ▕▁▁▁▁▁▁▁▁▁▁▁▏ ▕▁▁▁▁▁▁▁▁▁▁▁▏
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* ▲ ▲
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* │ │
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* └─────┬─────┘
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* │
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* ▕▔▔▔▔▔▔▔▔▔▔▏
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* ▕ FMenuBar ▏
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* ▕▁▁▁▁▁▁▁▁▁▁▏
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*/
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#ifndef FMENUBAR_H
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#define FMENUBAR_H
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#if !defined (USE_FINAL_H) && !defined (COMPILE_FINAL_CUT)
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#error "Only <final/final.h> can be included directly."
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#endif
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#include "final/fmenulist.h"
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#include "final/fwindow.h"
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namespace finalcut
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{
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// class forward declaration
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class FMenu;
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//----------------------------------------------------------------------
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// class FMenuBar
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//----------------------------------------------------------------------
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class FMenuBar : public FWindow, public FMenuList
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{
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public:
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// Constructor
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explicit FMenuBar (FWidget* = nullptr);
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// Disable copy constructor
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FMenuBar (const FMenuBar&) = delete;
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// Destructor
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~FMenuBar() override;
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// Disable copy assignment operator (=)
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FMenuBar& operator = (const FMenuBar&) = delete;
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// Accessors
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const FString getClassName() const override;
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// Methods
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void resetColors() override;
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void resetMenu();
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void hide() override;
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void adjustSize() override;
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// Event handlers
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void onKeyPress (FKeyEvent*) override;
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void onMouseDown (FMouseEvent*) override;
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void onMouseUp (FMouseEvent*) override;
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void onMouseMove (FMouseEvent*) override;
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void onAccel (FAccelEvent*) override;
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// Callback methods
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void cb_itemDeactivated (const FMenuItem*) const;
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private:
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// Constants
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static constexpr std::size_t NOT_SET = static_cast<std::size_t>(-1);
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// Typedef
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typedef struct
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{
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FString text;
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std::size_t startpos;
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std::size_t hotkeypos;
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bool no_underline;
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} menuText;
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// Inquiry
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bool isMenu (const FMenuItem*) const;
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// Methods
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void init();
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void calculateDimensions() const;
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bool selectNextItem();
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bool selectPrevItem();
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bool hotkeyMenu (FKeyEvent*&);
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void draw() override;
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void drawItems();
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void drawItem (FMenuItem*, std::size_t&);
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void setLineAttributes (const FMenuItem*);
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void setCursorToHotkeyPosition (FMenuItem*, std::size_t) const;
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void drawMenuText (menuText&);
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void drawEllipsis (const menuText&, std::size_t);
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void drawLeadingSpace (std::size_t&);
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void drawTrailingSpace (std::size_t&);
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void adjustItems() const;
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bool activateMenu (const FMenuItem*);
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bool clickItem (FMenuItem*);
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void unselectMenuItem (FMenuItem*);
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void selectMenuItem (FMenuItem*);
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void mouseDownOverList (const FMouseEvent*);
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void mouseUpOverList (const FMouseEvent*);
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void mouseMoveOverList (const FMouseEvent*);
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void passEventToMenu (const FMouseEvent* const&) const;
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void leaveMenuBar();
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// Data members
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std::size_t screenWidth{80};
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bool mouse_down{false};
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bool drop_down{false};
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bool focus_changed{false};
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// Friend classes
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friend class FMenu;
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friend class FMenuItem;
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};
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// FMenuBar inline functions
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//----------------------------------------------------------------------
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inline const FString FMenuBar::getClassName() const
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{ return "FMenuBar"; }
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//----------------------------------------------------------------------
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inline bool FMenuBar::isMenu (const FMenuItem* mi) const
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{ return mi->hasMenu(); }
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} // namespace finalcut
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#endif // FMENUBAR_H
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