* Copyright 2006-2015 Haiku, Inc. All rights reserved.
* Distributed under the terms of the MIT License.
*
* Authors:
* Stefano Ceccherini (stefano.ceccherini@gmail.com)
*/
#ifndef __MENU_PRIVATE_H
#define __MENU_PRIVATE_H
#include <Menu.h>
enum menu_states {
MENU_STATE_TRACKING = 0,
MENU_STATE_TRACKING_SUBMENU = 1,
MENU_STATE_KEY_TO_SUBMENU = 2,
MENU_STATE_KEY_LEAVE_SUBMENU = 3,
MENU_STATE_CLOSED = 5
};
class BBitmap;
class BMenu;
class BWindow;
namespace BPrivate {
extern const char* kEmptyMenuLabel;
class MenuPrivate {
public:
MenuPrivate(BMenu* menu);
menu_layout Layout() const;
void SetLayout(menu_layout layout);
void ItemMarked(BMenuItem* item);
void CacheFontInfo();
float FontHeight() const;
float Ascent() const;
BRect Padding() const;
void GetItemMargins(float*, float*, float*, float*)
const;
void SetItemMargins(float, float, float, float);
int State(BMenuItem** item = NULL) const;
void Install(BWindow* window);
void Uninstall();
void SetSuper(BMenu* menu);
void SetSuperItem(BMenuItem* item);
void InvokeItem(BMenuItem* item, bool now = false);
void QuitTracking(bool thisMenuOnly = true);
bool HasSubmenus() { return fMenu->fHasSubmenus; }
static status_t CreateBitmaps();
static void DeleteBitmaps();
static const BBitmap* MenuItemShift();
static const BBitmap* MenuItemControl();
static const BBitmap* MenuItemOption();
static const BBitmap* MenuItemCommand();
static const BBitmap* MenuItemMenu();
private:
BMenu* fMenu;
static BBitmap* sMenuItemShift;
static BBitmap* sMenuItemControl;
static BBitmap* sMenuItemOption;
static BBitmap* sMenuItemAlt;
static BBitmap* sMenuItemMenu;
};
};
#define square(x) ((x) * (x))
static inline float
point_distance(const BPoint &pointA, const BPoint &pointB)
{
return square(pointA.x - pointB.x) + square(pointA.y - pointB.y);
}
#undef square
#endif
