1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
|
// Copyright (C) 2002-2012 Nikolaus Gebhardt
// This file is part of the "Irrlicht Engine".
// For conditions of distribution and use, see copyright notice in irrlicht.h
#ifndef __I_GUI_COMBO_BOX_H_INCLUDED__
#define __I_GUI_COMBO_BOX_H_INCLUDED__
#include "IGUIElement.h"
namespace irr
{
namespace gui
{
//! Combobox widget
/** \par This element can create the following events of type EGUI_EVENT_TYPE:
\li EGET_COMBO_BOX_CHANGED
*/
class IGUIComboBox : public IGUIElement
{
public:
//! constructor
IGUIComboBox(IGUIEnvironment* environment, IGUIElement* parent, s32 id, core::rect<s32> rectangle)
: IGUIElement(EGUIET_COMBO_BOX, environment, parent, id, rectangle) {}
//! Returns amount of items in box
virtual u32 getItemCount() const = 0;
//! Returns string of an item. the idx may be a value from 0 to itemCount-1
virtual const wchar_t* getItem(u32 idx) const = 0;
//! Returns item data of an item. the idx may be a value from 0 to itemCount-1
virtual u32 getItemData(u32 idx) const = 0;
//! Returns index based on item data
virtual s32 getIndexForItemData(u32 data ) const = 0;
//! Adds an item and returns the index of it
virtual u32 addItem(const wchar_t* text, u32 data = 0) = 0;
//! Removes an item from the combo box.
/** Warning. This will change the index of all following items */
virtual void removeItem(u32 idx) = 0;
//! Deletes all items in the combo box
virtual void clear() = 0;
//! Returns id of selected item. returns -1 if no item is selected.
virtual s32 getSelected() const = 0;
//! Sets the selected item. Set this to -1 if no item should be selected
virtual void setSelected(s32 idx) = 0;
//! Sets text justification of the text area
/** \param horizontal: EGUIA_UPPERLEFT for left justified (default),
EGUIA_LOWEERRIGHT for right justified, or EGUIA_CENTER for centered text.
\param vertical: EGUIA_UPPERLEFT to align with top edge,
EGUIA_LOWEERRIGHT for bottom edge, or EGUIA_CENTER for centered text (default). */
virtual void setTextAlignment(EGUI_ALIGNMENT horizontal, EGUI_ALIGNMENT vertical) = 0;
//! Set the maximal number of rows for the selection listbox
virtual void setMaxSelectionRows(u32 max) = 0;
//! Get the maximimal number of rows for the selection listbox
virtual u32 getMaxSelectionRows() const = 0;
};
} // end namespace gui
} // end namespace irr
#endif
|
