mirror of https://github.com/stella-emu/stella.git
140 lines
4.4 KiB
C++
140 lines
4.4 KiB
C++
//============================================================================
|
|
//
|
|
// SSSS tt lll lll
|
|
// SS SS tt ll ll
|
|
// SS tttttt eeee ll ll aaaa
|
|
// SSSS tt ee ee ll ll aa
|
|
// SS tt eeeeee ll ll aaaaa -- "An Atari 2600 VCS Emulator"
|
|
// SS SS tt ee ll ll aa aa
|
|
// SSSS ttt eeeee llll llll aaaaa
|
|
//
|
|
// Copyright (c) 1995-2016 by Bradford W. Mott, Stephen Anthony
|
|
// and the Stella Team
|
|
//
|
|
// See the file "License.txt" for information on usage and redistribution of
|
|
// this file, and for a DISCLAIMER OF ALL WARRANTIES.
|
|
//
|
|
// $Id$
|
|
//============================================================================
|
|
|
|
#ifndef CONTEXT_MENU_HXX
|
|
#define CONTEXT_MENU_HXX
|
|
|
|
#include "bspf.hxx"
|
|
#include "Command.hxx"
|
|
#include "Dialog.hxx"
|
|
#include "Variant.hxx"
|
|
|
|
/**
|
|
* Popup context menu which, when clicked, "pop up" a list of items and
|
|
* lets the user pick on of them.
|
|
*
|
|
* Implementation wise, when the user selects an item, then the given 'cmd'
|
|
* is broadcast, with data being equal to the tag value of the selected entry.
|
|
*
|
|
* There are also several utility methods (named as sendSelectionXXX) that
|
|
* allow to cycle through the current items without actually opening the dialog.
|
|
*/
|
|
class ContextMenu : public Dialog, public CommandSender
|
|
{
|
|
public:
|
|
enum {
|
|
kItemSelectedCmd = 'CMsl'
|
|
};
|
|
|
|
public:
|
|
ContextMenu(GuiObject* boss, const GUI::Font& font,
|
|
const VariantList& items, int cmd = 0);
|
|
virtual ~ContextMenu() = default;
|
|
|
|
/** Add the given items to the widget. */
|
|
void addItems(const VariantList& items);
|
|
|
|
/** Show context menu onscreen at the specified coordinates */
|
|
void show(uInt32 x, uInt32 y, int item = -1);
|
|
|
|
/** Select the first entry matching the given tag. */
|
|
void setSelected(const Variant& tag, const Variant& defaultTag);
|
|
|
|
/** Select the entry at the given index. */
|
|
void setSelectedIndex(int idx);
|
|
|
|
/** Select the highest/last entry in the internal list. */
|
|
void setSelectedMax();
|
|
|
|
/** Clear selection (reset to default). */
|
|
void clearSelection();
|
|
|
|
/** Accessor methods for the currently selected item. */
|
|
int getSelected() const;
|
|
const string& getSelectedName() const;
|
|
const Variant& getSelectedTag() const;
|
|
|
|
/** This dialog uses its own positioning, so we override Dialog::center() */
|
|
void center() override;
|
|
|
|
/** The following methods are used when we want to select *and*
|
|
send a command for the new selection. They are only to be used
|
|
when the dialog *isn't* open, and are basically a shortcut so
|
|
that a PopUpWidget has some basic functionality without forcing
|
|
to open its associated ContextMenu. */
|
|
bool sendSelectionUp();
|
|
bool sendSelectionDown();
|
|
bool sendSelectionFirst();
|
|
bool sendSelectionLast();
|
|
|
|
private:
|
|
void handleMouseDown(int x, int y, int button, int clickCount) override;
|
|
void handleMouseMoved(int x, int y, int button) override;
|
|
bool handleMouseClicks(int x, int y, int button) override;
|
|
void handleMouseWheel(int x, int y, int direction) override;
|
|
void handleKeyDown(StellaKey key, StellaMod mod) override;
|
|
void handleJoyDown(int stick, int button) override;
|
|
void handleJoyAxis(int stick, int axis, int value) override;
|
|
bool handleJoyHat(int stick, int hat, int value) override;
|
|
void handleEvent(Event::Type e);
|
|
|
|
void drawDialog() override;
|
|
|
|
void recalc(const GUI::Rect& image);
|
|
|
|
int findItem(int x, int y) const;
|
|
void drawCurrentSelection(int item);
|
|
|
|
void moveUp();
|
|
void moveDown();
|
|
void movePgUp();
|
|
void movePgDown();
|
|
void moveToFirst();
|
|
void moveToLast();
|
|
void moveToSelected();
|
|
void scrollUp(int distance = 1);
|
|
void scrollDown(int distance = 1);
|
|
void sendSelection();
|
|
|
|
private:
|
|
VariantList _entries;
|
|
|
|
int _rowHeight;
|
|
int _firstEntry, _numEntries;
|
|
int _selectedOffset, _selectedItem;
|
|
bool _showScroll;
|
|
bool _isScrolling;
|
|
uInt32 _scrollUpColor, _scrollDnColor;
|
|
|
|
const GUI::Font& _font;
|
|
int _cmd;
|
|
|
|
uInt32 _xorig, _yorig;
|
|
|
|
private:
|
|
// Following constructors and assignment operators not supported
|
|
ContextMenu() = delete;
|
|
ContextMenu(const ContextMenu&) = delete;
|
|
ContextMenu(ContextMenu&&) = delete;
|
|
ContextMenu& operator=(const ContextMenu&) = delete;
|
|
ContextMenu& operator=(ContextMenu&&) = delete;
|
|
};
|
|
|
|
#endif
|