haiku/headers/private/interface/MenuPrivate.h
Stefano Ceccherini 10f4d0679a Added a class MenuPrivate to handle access to private BMenu methods.
BMenuItem and BWindow are no longer friends of BMenu, but use this class 
instead.


git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@24909 a95241bf-73f2-0310-859d-f6bbb57e9c96
2008-04-11 08:22:09 +00:00

81 lines
1.6 KiB
C++

#ifndef __MENU_PRIVATE_H
#define __MENU_PRIVATE_H
enum menu_states {
MENU_STATE_TRACKING = 0,
MENU_STATE_TRACKING_SUBMENU = 1,
MENU_STATE_CLOSED = 5
};
class BMenu;
class BWindow;
namespace BPrivate {
class MenuPrivate {
public:
MenuPrivate(BMenu *menu);
menu_layout Layout() const;
void ItemMarked(BMenuItem *item);
void CacheFontInfo();
float FontHeight() const;
float Ascent() const;
BRect Padding() const;
void GetItemMargins(float *, float *, float *, float *) const;
bool IsAltCommandKey() const;
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);
private:
BMenu *fMenu;
};
};
extern const char *kEmptyMenuLabel;
// Note: since sqrt is slow, we don't use it and return the square of the distance
#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);
}
/*
static float
point_rect_distance(const BPoint &point, const BRect &rect)
{
float horizontal = 0;
float vertical = 0;
if (point.x < rect.left)
horizontal = rect.left - point.x;
else if (point.x > rect.right)
horizontal = point.x - rect.right;
if (point.y < rect.top)
vertical = rect.top - point.y;
else if (point.y > rect.bottom)
vertical = point.y - rect.bottom;
return square(horizontal) + square(vertical);
}
*/
#undef square
#endif // __MENU_PRIVATE_H