A bitmap button is a control that contains a bitmap. It may be placed on a dialog box or panel, or indeed almost any other window.
Derived from
wxButton
wxControl
wxWindow
wxEvtHandler
wxObject
Include files
<wx/bmpbuttn.h>
Remarks
A bitmap button can be supplied with a single bitmap, and wxWidgets will draw all button states using this bitmap. If the application needs more control, additional bitmaps for the selected state, unpressed focused state, and greyed-out state may be supplied.
Button states
This class supports bitmaps for several different states:
| normal | This is the bitmap shown in the default state, it must be always valid while all the other bitmaps are optional and don't have to be set. |
| disabled | Bitmap shown when the button is disabled. |
| selected | Bitmap shown when the button is pushed (e.g. while the user keeps the mouse button pressed on it) |
| focus | Bitmap shown when the button has keyboard focus but is not pressed. |
| hover | Bitmap shown when the mouse is over the button (but it is not pressed). Notice that if hover bitmap is not specified but the current platform UI uses hover images for the buttons (such as Windows XP or GTK+), then the focus bitmap is used for hover state as well. This makes it possible to set focus bitmap only to get reasonably good behaviour on all platforms. |
Window styles
| wxBU_AUTODRAW | If this is specified, the button will be drawn automatically using the label bitmap only, providing a 3D-look border. If this style is not specified, the button will be drawn without borders and using all provided bitmaps. WIN32 only. |
| wxBU_LEFT | Left-justifies the bitmap label. WIN32 only. |
| wxBU_TOP | Aligns the bitmap label to the top of the button. WIN32 only. |
| wxBU_RIGHT | Right-justifies the bitmap label. WIN32 only. |
| wxBU_BOTTOM | Aligns the bitmap label to the bottom of the button. WIN32 only. |
Note that wxBU_EXACTFIT supported by wxButton is not used by this class as bitmap buttons don't have any minimal standard size by default.
See also window styles overview.
Event handling
| EVT_BUTTON(id, func) | Process a wxEVT_COMMAND_BUTTON_CLICKED event, when the button is clicked. |
See also
Members
wxBitmapButton::wxBitmapButton
wxBitmapButton::~wxBitmapButton
wxBitmapButton::Create
wxBitmapButton::GetBitmapDisabled
wxBitmapButton::GetBitmapFocus
wxBitmapButton::GetBitmapHover
wxBitmapButton::GetBitmapLabel
wxBitmapButton::GetBitmapSelected
wxBitmapButton::SetBitmapDisabled
wxBitmapButton::SetBitmapFocus
wxBitmapButton::SetBitmapHover
wxBitmapButton::SetBitmapLabel
wxBitmapButton::SetBitmapSelected
wxBitmapButton()
Default constructor.
wxBitmapButton( wxWindow* parent, wxWindowID id, const wxBitmap& bitmap, const wxPoint& pos = wxDefaultPosition, const wxSize& size = wxDefaultSize, long style = wxBU_AUTODRAW, const wxValidator& validator = wxDefaultValidator, const wxString& name = "button")
Constructor, creating and showing a button.
Parameters
parent
id
bitmap
pos
size
style
validator
name
Remarks
The bitmap parameter is normally the only bitmap you need to provide, and wxWidgets will draw the button correctly in its different states. If you want more control, call any of the functions wxBitmapButton::SetBitmapSelected, wxBitmapButton::SetBitmapFocus, wxBitmapButton::SetBitmapDisabled.
Note that the bitmap passed is smaller than the actual button created.
See also
wxBitmapButton::Create, wxValidator
~wxBitmapButton()
Destructor, destroying the button.
bool Create(wxWindow* parent, wxWindowID id, const wxBitmap& bitmap, const wxPoint& pos, const wxSize& size = wxDefaultSize, long style = 0, const wxValidator& validator, const wxString& name = "button")
Button creation function for two-step creation. For more details, see wxBitmapButton::wxBitmapButton.
const wxBitmap& GetBitmapDisabled() const wxBitmap& GetBitmapDisabled()
Returns the bitmap for the disabled state, may be invalid.
Return value
A reference to the disabled state bitmap.
See also
wxBitmapButton::SetBitmapDisabled
const wxBitmap& GetBitmapFocus() const wxBitmap& GetBitmapFocus()
Returns the bitmap for the focused state, may be invalid.
Return value
A reference to the focused state bitmap.
See also
wxBitmapButton::SetBitmapFocus
const wxBitmap& GetBitmapHover() const wxBitmap& GetBitmapHover()
Returns the bitmap used when the mouse is over the button, may be invalid.
See also
wxBitmapButton::SetBitmapHover
const wxBitmap& GetBitmapLabel() const wxBitmap& GetBitmapLabel()
Returns the label bitmap (the one passed to the constructor), always valid.
Return value
A reference to the button's label bitmap.
See also
wxBitmapButton::SetBitmapLabel
wxBitmap& GetBitmapSelected() const wxBitmap& GetBitmapSelected()
Returns the bitmap for the pushed button state, may be invalid.
Return value
A reference to the selected state bitmap.
See also
wxBitmapButton::SetBitmapSelected
void SetBitmapDisabled(const wxBitmap& bitmap)
Sets the bitmap for the disabled button appearance.
Parameters
bitmap
See also
wxBitmapButton::GetBitmapDisabled, wxBitmapButton::SetBitmapLabel, wxBitmapButton::SetBitmapSelected, wxBitmapButton::SetBitmapFocus
void SetBitmapFocus(const wxBitmap& bitmap)
Sets the bitmap for the button appearance when it has the keyboard focus.
Parameters
bitmap
See also
wxBitmapButton::GetBitmapFocus, wxBitmapButton::SetBitmapLabel, wxBitmapButton::SetBitmapSelected, wxBitmapButton::SetBitmapDisabled
void SetBitmapHover(const wxBitmap& bitmap)
Sets the bitmap to be shown when the mouse is over the button.
This function is new since wxWidgets version 2.7.0 and the hover bitmap is currently only supported in wxMSW.
See also
wxBitmapButton::GetBitmapHover
void SetBitmapLabel(const wxBitmap& bitmap)
Sets the bitmap label for the button.
Parameters
bitmap
Remarks
This is the bitmap used for the unselected state, and for all other states if no other bitmaps are provided.
See also
wxBitmapButton::GetBitmapLabel
void SetBitmapSelected(const wxBitmap& bitmap)
Sets the bitmap for the selected (depressed) button appearance.
Parameters
bitmap
See also
wxBitmapButton::GetBitmapSelected, wxBitmapButton::SetBitmapLabel, wxBitmapButton::SetBitmapFocus, wxBitmapButton::SetBitmapDisabled