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| __fastcall jMenuBox::jMenuBox(TComponent *Owner, bool HasEdit)
: TCustomControl(Owner)
{
if(Owner->InheritsFrom(__classid(TWinControl))) Parent = (TWinControl*)Owner;
MenuItems = new TList;
Index = -1;
Edit = NULL;
if(HasEdit)
{
Edit = new TEdit(this);
Edit->Parent = this;
Edit->OnMouseMove = WhenEditMouseMove;
}
Visible = false;
OnMouseDown = WhenMouseDown;
OnMouseMove = WhenMouseMove;
OnMouseUp = WhenMouseUp;
}
__fastcall jMenuBox::~jMenuBox()
{
MenuItems->Clear();
delete MenuItems;
}
void __fastcall jMenuBox::Paint()
{
int we = Width;
int he = Height;
if(Edit != NULL)
{
Edit->SetBounds(2,2,we-4, 21);
}
Canvas->Brush->Style = bsSolid;
Canvas->Brush->Color = clSilver;
Canvas->FillRect(Rect(0,0,we,he));
Canvas->Pen->Style = psSolid;
Canvas->Pen->Mode = pmCopy;
Canvas->Pen->Color = clWhite;
Canvas->MoveTo(0,he); Canvas->LineTo(0,0);Canvas->LineTo(we,0);
Canvas->MoveTo(1,he); Canvas->LineTo(1,1);Canvas->LineTo(we,1);
Canvas->Pen->Color = clWhite;
we--; he--;
Canvas->Pen->Color = clGray;
Canvas->MoveTo(1,he); Canvas->LineTo(we,he);Canvas->LineTo(we,1);
we--; he--;
Canvas->MoveTo(2,he); Canvas->LineTo(we,he);Canvas->LineTo(we,2);
int top = 4;
if(Edit != NULL) top = top + Edit->Height;
if(Index != -1)
{
Canvas->Brush->Color = clNavy;
Canvas->Pen->Color = clNavy;
int y = top + (Index * 16);
Canvas->Rectangle(8,
y,
Width - 8,
y + 15);
}
Canvas->Brush->Style = bsClear;
for(int j = 0; j < MenuItems->Count; j++)
{
if(j != Index) Canvas->Font->Color = clBlack;
else Canvas->Font->Color = clWhite;
Canvas->TextOut(16, top, ((jMenuItem*)MenuItems->Items[j])->Caption);
top = top + 16;
}
}
void __fastcall jMenuBox::Popup(int X, int Y)
{
int we;
Width = 0;
for(int j = 0; j < MenuItems->Count; j++)
{
we = Canvas->TextWidth(((jMenuItem*)MenuItems->Items[j])->Caption);
if(we > Width) Width = we;
}
Width = Width + 32;
Height = 6;
if(Edit != NULL) Height = Height + Edit->Height;
Height = Height + (MenuItems->Count * 16);
SetBounds(X-8, Y-8, Width, Height);
BringToFront();
Show();
}
void __fastcall jMenuBox::WhenMouseMove(TObject *Sender, TShiftState Shift,
int X, int Y)
{
int top = 4;
if(Edit != NULL) top = top + Edit->Height;
int y = (Y - top) / 16;
if(y >= 0)
{
if(Index != y)
{
Index = y;
Repaint();
}
}
}
void __fastcall jMenuBox::WhenMouseDown(TObject *Sender, TMouseButton Button,
TShiftState Shift, int X, int Y)
{
if((Index != -1) && (Index < MenuItems->Count))
{
jMenuItem *MenuItem = (jMenuItem*)MenuItems->Items[Index];
Hide();
if(MenuItem->OnClick != NULL) MenuItem->OnClick(MenuItem);
}
}
void __fastcall jMenuBox::WhenMouseUp(TObject *Sender, TMouseButton Button,
TShiftState Shift, int X, int Y)
{
}
void __fastcall jMenuBox::WhenEditMouseMove(TObject *Sender, TShiftState Shift,
int X, int Y)
{
if(Index != -1)
{
Index = -1;
Repaint();
}
}
jMenuItem* __fastcall jMenuBox::AddItem(AnsiString N)
{
jMenuItem *Item = new jMenuItem(this, N);
MenuItems->Add(Item);
return Item;
} |
