wxWidgets/include/wx/anybutton.h
Vadim Zeitlin 4e5d2d97e2 Allow using wxBitmapBundle for wxButton bitmaps
Take wxBitmapBundle in wxButton::SetBitmapLabel() and related functions
in order to be able to associate several bitmaps to be used in different
resolutions with the button, instead of just a single bitmap.
2021-10-18 11:50:10 +02:00

206 lines
7.5 KiB
C++

/////////////////////////////////////////////////////////////////////////////
// Name: wx/anybutton.h
// Purpose: wxAnyButtonBase class
// Author: Vadim Zeitlin
// Created: 2000-08-15 (extracted from button.h)
// Copyright: (c) Vadim Zeitlin
// Licence: wxWindows licence
/////////////////////////////////////////////////////////////////////////////
#ifndef _WX_ANYBUTTON_H_BASE_
#define _WX_ANYBUTTON_H_BASE_
#include "wx/defs.h"
#ifdef wxHAS_ANY_BUTTON
// ----------------------------------------------------------------------------
// wxAnyButton specific flags
// ----------------------------------------------------------------------------
// These flags affect label alignment
#define wxBU_LEFT 0x0040
#define wxBU_TOP 0x0080
#define wxBU_RIGHT 0x0100
#define wxBU_BOTTOM 0x0200
#define wxBU_ALIGN_MASK ( wxBU_LEFT | wxBU_TOP | wxBU_RIGHT | wxBU_BOTTOM )
// These two flags are obsolete and have no effect any longer.
#define wxBU_NOAUTODRAW 0x0000
#define wxBU_AUTODRAW 0x0004
// by default, the buttons will be created with some (system dependent)
// minimal size to make them look nicer, giving this style will make them as
// small as possible
#define wxBU_EXACTFIT 0x0001
// this flag can be used to disable using the text label in the button: it is
// mostly useful when creating buttons showing bitmap and having stock id as
// without it both the standard label corresponding to the stock id and the
// bitmap would be shown
#define wxBU_NOTEXT 0x0002
#include "wx/bmpbndl.h"
#include "wx/control.h"
// ----------------------------------------------------------------------------
// wxAnyButton: common button functionality
// ----------------------------------------------------------------------------
class WXDLLIMPEXP_CORE wxAnyButtonBase : public wxControl
{
public:
wxAnyButtonBase() { }
// show the image in the button in addition to the label: this method is
// supported on all (major) platforms
void SetBitmap(const wxBitmapBundle& bitmap, wxDirection dir = wxLEFT)
{
SetBitmapLabel(bitmap);
SetBitmapPosition(dir);
}
wxBitmap GetBitmap() const { return DoGetBitmap(State_Normal); }
// Methods for setting individual images for different states: normal,
// selected (meaning pushed or pressed), focused (meaning normal state for
// a focused button), disabled or hover (a.k.a. hot or current).
//
// Remember that SetBitmap() itself must be called before any other
// SetBitmapXXX() methods (except for SetBitmapLabel() which is a synonym
// for it anyhow) and that all bitmaps passed to these functions should be
// of the same size.
void SetBitmapLabel(const wxBitmapBundle& bitmap)
{ DoSetBitmap(bitmap, State_Normal); }
void SetBitmapPressed(const wxBitmapBundle& bitmap)
{ DoSetBitmap(bitmap, State_Pressed); }
void SetBitmapDisabled(const wxBitmapBundle& bitmap)
{ DoSetBitmap(bitmap, State_Disabled); }
void SetBitmapCurrent(const wxBitmapBundle& bitmap)
{ DoSetBitmap(bitmap, State_Current); }
void SetBitmapFocus(const wxBitmapBundle& bitmap)
{ DoSetBitmap(bitmap, State_Focused); }
wxBitmap GetBitmapLabel() const { return DoGetBitmap(State_Normal); }
wxBitmap GetBitmapPressed() const { return DoGetBitmap(State_Pressed); }
wxBitmap GetBitmapDisabled() const { return DoGetBitmap(State_Disabled); }
wxBitmap GetBitmapCurrent() const { return DoGetBitmap(State_Current); }
wxBitmap GetBitmapFocus() const { return DoGetBitmap(State_Focused); }
// set the margins around the image
void SetBitmapMargins(wxCoord x, wxCoord y) { DoSetBitmapMargins(x, y); }
void SetBitmapMargins(const wxSize& sz) { DoSetBitmapMargins(sz.x, sz.y); }
wxSize GetBitmapMargins() { return DoGetBitmapMargins(); }
// set the image position relative to the text, i.e. wxLEFT means that the
// image is to the left of the text (this is the default)
void SetBitmapPosition(wxDirection dir);
// Buttons on MSW can look bad if they are not native colours, because
// then they become owner-drawn and not theme-drawn. Disable it here
// in wxAnyButtonBase to make it consistent.
virtual bool ShouldInheritColours() const wxOVERRIDE { return false; }
// wxUniv-compatible and deprecated equivalents to SetBitmapXXX()
#if WXWIN_COMPATIBILITY_2_8
void SetImageLabel(const wxBitmap& bitmap) { SetBitmap(bitmap); }
void SetImageMargins(wxCoord x, wxCoord y) { SetBitmapMargins(x, y); }
#endif // WXWIN_COMPATIBILITY_2_8
// backwards compatible names for pressed/current bitmaps: they're not
// deprecated as there is nothing really wrong with using them and no real
// advantage to using the new names but the new names are still preferred
// (and need to be used when using wxBitmapBundle and not just wxBitmap)
wxBitmap GetBitmapSelected() const { return GetBitmapPressed(); }
wxBitmap GetBitmapHover() const { return GetBitmapCurrent(); }
void SetBitmapSelected(const wxBitmap& bitmap) { SetBitmapPressed(bitmap); }
void SetBitmapHover(const wxBitmap& bitmap) { SetBitmapCurrent(bitmap); }
// this enum is not part of wx public API, it is public because it is used
// in non wxAnyButton-derived classes internally
//
// also notice that MSW code relies on the values of the enum elements, do
// not change them without revising src/msw/button.cpp
enum State
{
State_Normal,
State_Current, // a.k.a. hot or "hovering"
State_Pressed, // a.k.a. "selected" in public API for some reason
State_Disabled,
State_Focused,
State_Max
};
// return the current setting for the "normal" state of the button, it can
// be different from State_Normal for a wxToggleButton
virtual State GetNormalState() const
{
return State_Normal;
}
// return true if this button shouldn't show the text label, either because
// it doesn't have it or because it was explicitly disabled with wxBU_NOTEXT
bool DontShowLabel() const
{
return HasFlag(wxBU_NOTEXT) || GetLabel().empty();
}
// return true if we do show the label
bool ShowsLabel() const
{
return !DontShowLabel();
}
protected:
// choose the default border for this window
virtual wxBorder GetDefaultBorder() const wxOVERRIDE { return wxBORDER_NONE; }
virtual wxBitmap DoGetBitmap(State WXUNUSED(which)) const
{ return wxBitmap(); }
virtual void DoSetBitmap(const wxBitmapBundle& WXUNUSED(bitmap),
State WXUNUSED(which))
{ }
virtual wxSize DoGetBitmapMargins() const
{ return wxSize(0, 0); }
virtual void DoSetBitmapMargins(wxCoord WXUNUSED(x), wxCoord WXUNUSED(y))
{ }
virtual void DoSetBitmapPosition(wxDirection WXUNUSED(dir))
{ }
virtual bool DoGetAuthNeeded() const { return false; }
virtual void DoSetAuthNeeded(bool WXUNUSED(show)) { }
wxDECLARE_NO_COPY_CLASS(wxAnyButtonBase);
};
#if defined(__WXUNIVERSAL__)
#include "wx/univ/anybutton.h"
#elif defined(__WXMSW__)
#include "wx/msw/anybutton.h"
//#elif defined(__WXMOTIF__)
// #include "wx/motif/anybutton.h"
#elif defined(__WXGTK20__)
#include "wx/gtk/anybutton.h"
//#elif defined(__WXGTK__)
// #include "wx/gtk1/anybutton.h"
#elif defined(__WXMAC__)
#include "wx/osx/anybutton.h"
#elif defined(__WXQT__)
#include "wx/qt/anybutton.h"
#else
typedef wxAnyButtonBase wxAnyButton;
#endif
#endif // wxHAS_ANY_BUTTON
#endif // _WX_ANYBUTTON_H_BASE_