322 lines
12 KiB
C++
322 lines
12 KiB
C++
/***********************************************************************
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* fmenu.h - Widget FMenu *
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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 2015-2017 Markus Gans *
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* *
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* The Final Cut is free software; you can redistribute it and/or *
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* modify it under the terms of the GNU Lesser General Public License *
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* as 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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* The Final Cut 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 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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* ▕ FTerm ▏
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* ▕▁▁▁▁▁▁▁▁▁▏
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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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* └─────┬─────┘ ┌ - -▕ FRadioMenuItem ▏
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* │ : ▕▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▏
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* ▕▔▔▔▔▔▔▔▔▔▏ :
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* ▕ FWidget ▏ : *▕▔▔▔▔▔▔▔▔▔▔▔▔▔▔▔▔▏
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* ▕▁▁▁▁▁▁▁▁▁▏ ├ - -▕ FCheckMenuItem ▏
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* ▲ : ▕▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▏
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* │ 1 :
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* ▕▔▔▔▔▔▔▔▔▔▏ ▕▔▔▔▔▔▔▔▔▔▔▔▏- ┘ ▕▔▔▔▔▔▔▔▔▔▔▔▏
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* ▕ FWindow ▏ ▕ FMenuList ▏- - - -▕ FMenuItem ▏
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* ▕▁▁▁▁▁▁▁▁▁▏ ▕▁▁▁▁▁▁▁▁▁▁▁▏1 *▕▁▁▁▁▁▁▁▁▁▁▁▏
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* ▲ ▲ 1:
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* │ │ :
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* └─────┬─────┘ :
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* │ 1 :
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* ▕▔▔▔▔▔▔▔▏- - - ┘ ▕▔▔▔▔▔▔▔▔▔▔▔▏
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* ▕ FMenu ▏- - - - - - - -▕ FMenuItem ▏
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* ▕▁▁▁▁▁▁▁▏1 1▕▁▁▁▁▁▁▁▁▁▁▁▏
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*/
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#ifndef FMENU_H
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#define FMENU_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/fwindow.h"
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#include "final/fmenubar.h"
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#include "final/fmenulist.h"
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#include "final/fmenuitem.h"
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//----------------------------------------------------------------------
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// class FMenu
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//----------------------------------------------------------------------
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#pragma pack(push)
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#pragma pack(1)
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class FMenu : public FWindow, public FMenuList
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{
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public:
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// Constructor
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explicit FMenu (FWidget* = 0);
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FMenu (const FString&, FWidget* = 0);
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// Destructor
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virtual ~FMenu();
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// Accessors
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virtual const char* getClassName() const;
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FString getText() const;
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FMenuItem* getItem() const;
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// Mutators
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bool setEnable(bool);
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bool setEnable();
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bool unsetEnable();
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bool setDisable();
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void setSelected();
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void unsetSelected();
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bool setMenuWidget (bool);
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bool setMenuWidget();
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bool unsetMenuWidget();
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void setStatusbarMessage (const FString&);
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void setMenu (FMenu*);
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void setText (const FString&);
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// Inquiries
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bool isEnabled() const;
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bool isSelected() const;
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bool hasHotkey() const;
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bool hasMenu() const;
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// Methods
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void show();
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void hide();
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// Event handlers
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void onKeyPress (FKeyEvent*);
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void onMouseDown (FMouseEvent*);
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void onMouseUp (FMouseEvent*);
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void onMouseMove (FMouseEvent*);
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void onAccel (FAccelEvent*);
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// Callback method
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void cb_menuitem_toggled (FWidget*, data_ptr);
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private:
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// Typedef
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typedef struct
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{
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uChar focus_changed : 1;
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uChar hide_sub_menu : 1;
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uChar mouse_over_menu : 1;
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uChar mouse_over_submenu : 1;
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uChar mouse_over_supermenu : 1;
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uChar mouse_over_menubar : 1;
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uChar : 2; // padding bits
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} mouseStates;
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typedef struct
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{
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wchar_t* text;
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int length;
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int hotkeypos;
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bool no_underline;
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} menuText;
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// Constants
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static const bool SELECT_ITEM = true;
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// Disable copy constructor
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FMenu (const FMenu&);
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// Disable assignment operator (=)
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FMenu& operator = (const FMenu&);
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// Accessors
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FWidget* getSuperMenu() const;
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// Mutators
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void setSuperMenu (FWidget*);
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// Inquiries
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bool isWindowsMenu (FWidget*) const;
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bool isMenuBar (FWidget*) const;
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bool isMenu (FWidget*) const;
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bool isRadioMenuItem (FWidget*) const;
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bool isSubMenu() const;
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bool isMouseOverMenu (const FPoint&);
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bool isMouseOverSubMenu (const FPoint&);
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bool isMouseOverSuperMenu (const FPoint&);
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bool isMouseOverMenuBar (const FPoint&);
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// Methods
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void init(FWidget*);
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void calculateDimensions();
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void adjustItems();
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int adjustX(int);
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void openSubMenu (FMenu*, bool = false);
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void closeOpenedSubMenu();
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void hideSubMenus();
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void hideSuperMenus();
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bool mouseDownOverList (FPoint);
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bool mouseUpOverList (FPoint);
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bool mouseMoveOverList (FPoint, mouseStates&);
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void mouseUpOverBorder();
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void mouseMoveOverBorder (mouseStates&);
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void passEventToSubMenu (FMouseEvent*& ev);
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void passEventToSuperMenu (FMouseEvent*& ev);
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void passEventToMenuBar (FMouseEvent*& ev);
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bool containsMenuStructure (const FPoint&);
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bool containsMenuStructure (int, int);
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FMenu* superMenuAt (const FPoint&);
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FMenu* superMenuAt (int, int);
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bool selectNextItem();
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bool selectPrevItem();
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void keypressMenuBar (FKeyEvent*&);
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bool hotkeyMenu (FKeyEvent*&);
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int getHotkeyPos (wchar_t[], wchar_t[], uInt);
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void draw();
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void drawItems();
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void drawSeparator (int);
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void drawMenuLine (FMenuItem*, int);
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void drawCheckMarkPrefix (FMenuItem*);
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void drawMenuText (menuText&);
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void drawSubMenuIndicator (int&);
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void drawAcceleratorKey (int&, int);
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void drawTrailingSpaces (int);
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void setLineAttributes (FMenuItem*, int);
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void setCursorToHotkeyPosition (FMenuItem*);
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void processActivate();
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// Friend classes
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friend class FApplication;
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friend class FCheckMenuItem;
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friend class FDialog;
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friend class FMenuBar;
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friend class FMenuItem;
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friend class FRadioMenuItem;
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// Data Members
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FMenuItem* item;
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FWidget* super_menu;
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FMenu* opened_sub_menu;
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FMenu* shown_sub_menu;
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uInt max_item_width;
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int hotkeypos;
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bool mouse_down;
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bool has_checkable_items;
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};
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#pragma pack(pop)
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// FMenu inline functions
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//----------------------------------------------------------------------
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inline const char* FMenu::getClassName() const
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{ return "FMenu"; }
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//----------------------------------------------------------------------
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inline FString FMenu::getText() const
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{ return item->getText(); }
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//----------------------------------------------------------------------
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inline FMenuItem* FMenu::getItem() const
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{ return item; }
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//----------------------------------------------------------------------
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inline bool FMenu::setEnable(bool on)
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{ return item->setEnable(on); }
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//----------------------------------------------------------------------
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inline bool FMenu::setEnable()
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{ return item->setEnable(); }
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//----------------------------------------------------------------------
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inline bool FMenu::unsetEnable()
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{ return item->unsetEnable(); }
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//----------------------------------------------------------------------
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inline bool FMenu::setDisable()
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{ return item->setDisable(); }
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//----------------------------------------------------------------------
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inline void FMenu::setSelected()
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{ item->setSelected(); }
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//----------------------------------------------------------------------
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inline void FMenu::unsetSelected()
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{ item->unsetSelected(); }
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//----------------------------------------------------------------------
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inline bool FMenu::setMenuWidget()
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{ return setMenuWidget(true); }
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//----------------------------------------------------------------------
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inline bool FMenu::unsetMenuWidget()
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{ return setMenuWidget(false); }
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//----------------------------------------------------------------------
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inline void FMenu::setMenu (FMenu* m)
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{ item->setMenu(m); }
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//----------------------------------------------------------------------
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inline void FMenu::setText (const FString& txt)
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{ item->setText(txt); }
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//----------------------------------------------------------------------
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inline bool FMenu::isEnabled() const
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{ return item->isEnabled(); }
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//----------------------------------------------------------------------
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inline bool FMenu::isSelected() const
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{ return item->isSelected(); }
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//----------------------------------------------------------------------
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inline bool FMenu::hasHotkey() const
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{ return item->hasHotkey(); }
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//----------------------------------------------------------------------
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inline bool FMenu::hasMenu() const
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{ return item->hasMenu(); }
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//----------------------------------------------------------------------
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inline FWidget* FMenu::getSuperMenu() const
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{ return super_menu; }
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//----------------------------------------------------------------------
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inline void FMenu::setSuperMenu (FWidget* smenu)
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{ super_menu = smenu; }
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//----------------------------------------------------------------------
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inline bool FMenu::containsMenuStructure (const FPoint& p)
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{ return containsMenuStructure (p.getX(), p.getY()); }
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//----------------------------------------------------------------------
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inline FMenu* FMenu::superMenuAt (const FPoint& p)
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{ return superMenuAt (p.getX(), p.getY()); }
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//----------------------------------------------------------------------
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inline void FMenu::onAccel (FAccelEvent* ev)
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{ item->onAccel(ev); }
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#endif // FMENU_H
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