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/////////////////////////////////////////////////////////////////////////////
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// Name: src/msw/anybutton.cpp
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// Purpose: wxAnyButton
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// Author: Julian Smart
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// Created: 1998-01-04 (extracted from button.cpp)
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// RCS-ID: $Id: anybutton.cpp 71640 2012-06-03 19:16:59Z VZ $
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// Copyright: (c) Julian Smart
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// Licence: wxWindows licence
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/////////////////////////////////////////////////////////////////////////////
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// ============================================================================
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// ============================================================================
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// ----------------------------------------------------------------------------
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// ----------------------------------------------------------------------------
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// For compilers that support precompilation, includes "wx.h".
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#include "wx/wxprec.h"
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#ifdef wxHAS_ANY_BUTTON
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#include "wx/anybutton.h"
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#include "wx/bmpbuttn.h"
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#include "wx/settings.h"
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#include "wx/dcscreen.h"
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#include "wx/dcclient.h"
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#include "wx/toplevel.h"
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#include "wx/msw/wrapcctl.h"
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#include "wx/msw/private.h"
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#include "wx/msw/missing.h"
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#include "wx/imaglist.h"
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#include "wx/stockitem.h"
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#include "wx/msw/private/button.h"
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#include "wx/msw/private/dc.h"
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#include "wx/private/window.h"
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#include "wx/generic/private/markuptext.h"
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#endif // wxUSE_MARKUP
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using namespace wxMSWImpl;
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#include "wx/msw/uxtheme.h"
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// no need to include tmschema.h
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#define BP_PUSHBUTTON 1
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#define PBS_DISABLED 4
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#define PBS_DEFAULTED 5
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#define TMT_CONTENTMARGINS 3602
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// provide the necessary declarations ourselves if they're missing from
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#ifndef BCM_SETIMAGELIST
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#define BCM_SETIMAGELIST 0x1602
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#define BCM_SETTEXTMARGIN 0x1604
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BUTTON_IMAGELIST_ALIGN_LEFT,
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BUTTON_IMAGELIST_ALIGN_RIGHT,
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BUTTON_IMAGELIST_ALIGN_TOP,
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BUTTON_IMAGELIST_ALIGN_BOTTOM
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struct BUTTON_IMAGELIST
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#endif // wxUSE_UXTHEME
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#ifndef WM_THEMECHANGED
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#define WM_THEMECHANGED 0x031A
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#define ODS_NOACCEL 0x0100
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#ifndef ODS_NOFOCUSRECT
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#define ODS_NOFOCUSRECT 0x0200
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#ifndef DT_HIDEPREFIX
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#define DT_HIDEPREFIX 0x00100000
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extern wxWindowMSW *wxWindowBeingErased; // From src/msw/window.cpp
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#endif // wxUSE_UXTHEME
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// ----------------------------------------------------------------------------
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// ----------------------------------------------------------------------------
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// we use different data classes for owner drawn buttons and for themed XP ones
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class wxButtonImageData
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wxButtonImageData() { }
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virtual ~wxButtonImageData() { }
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virtual wxBitmap GetBitmap(wxAnyButton::State which) const = 0;
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virtual void SetBitmap(const wxBitmap& bitmap, wxAnyButton::State which) = 0;
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virtual wxSize GetBitmapMargins() const = 0;
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virtual void SetBitmapMargins(wxCoord x, wxCoord y) = 0;
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virtual wxDirection GetBitmapPosition() const = 0;
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virtual void SetBitmapPosition(wxDirection dir) = 0;
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wxDECLARE_NO_COPY_CLASS(wxButtonImageData);
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// the gap between button edge and the interior area used by Windows for the
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const int OD_BUTTON_MARGIN = 4;
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class wxODButtonImageData : public wxButtonImageData
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wxODButtonImageData(wxAnyButton *btn, const wxBitmap& bitmap)
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SetBitmap(bitmap, wxAnyButton::State_Normal);
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SetBitmap(bitmap.ConvertToDisabled(), wxAnyButton::State_Disabled);
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// we use margins when we have both bitmap and text, but when we have
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// only the bitmap it should take up the entire button area
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if ( btn->ShowsLabel() )
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m_margin.x = btn->GetCharWidth();
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m_margin.y = btn->GetCharHeight() / 2;
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virtual wxBitmap GetBitmap(wxAnyButton::State which) const
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return m_bitmaps[which];
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virtual void SetBitmap(const wxBitmap& bitmap, wxAnyButton::State which)
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m_bitmaps[which] = bitmap;
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virtual wxSize GetBitmapMargins() const
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virtual void SetBitmapMargins(wxCoord x, wxCoord y)
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m_margin = wxSize(x, y);
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virtual wxDirection GetBitmapPosition() const
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virtual void SetBitmapPosition(wxDirection dir)
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// just store the values passed to us to be able to retrieve them later
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// from the drawing code
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wxBitmap m_bitmaps[wxAnyButton::State_Max];
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wxDECLARE_NO_COPY_CLASS(wxODButtonImageData);
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// somehow the margin is one pixel greater than the value returned by
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// GetThemeMargins() call
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const int XP_BUTTON_EXTRA_MARGIN = 1;
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class wxXPButtonImageData : public wxButtonImageData
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// we must be constructed with the size of our images as we need to create
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wxXPButtonImageData(wxAnyButton *btn, const wxBitmap& bitmap)
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: m_iml(bitmap.GetWidth(), bitmap.GetHeight(), true /* use mask */,
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wxAnyButton::State_Max),
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m_hwndBtn(GetHwndOf(btn))
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// initialize all bitmaps except for the disabled one to normal state
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for ( int n = 0; n < wxAnyButton::State_Max; n++ )
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m_iml.Add(n == wxAnyButton::State_Disabled ? bitmap.ConvertToDisabled()
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m_data.himl = GetHimagelistOf(&m_iml);
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// no margins by default
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m_data.margin.right =
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m_data.margin.bottom = 0;
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// use default alignment
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m_data.uAlign = BUTTON_IMAGELIST_ALIGN_LEFT;
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virtual wxBitmap GetBitmap(wxAnyButton::State which) const
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return m_iml.GetBitmap(which);
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virtual void SetBitmap(const wxBitmap& bitmap, wxAnyButton::State which)
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m_iml.Replace(which, bitmap);
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virtual wxSize GetBitmapMargins() const
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return wxSize(m_data.margin.left, m_data.margin.top);
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virtual void SetBitmapMargins(wxCoord x, wxCoord y)
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RECT& margin = m_data.margin;
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if ( !::SendMessage(m_hwndBtn, BCM_SETTEXTMARGIN, 0, (LPARAM)&margin) )
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wxLogDebug("SendMessage(BCM_SETTEXTMARGIN) failed");
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virtual wxDirection GetBitmapPosition() const
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switch ( m_data.uAlign )
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wxFAIL_MSG( "invalid image alignment" );
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case BUTTON_IMAGELIST_ALIGN_LEFT:
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case BUTTON_IMAGELIST_ALIGN_RIGHT:
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case BUTTON_IMAGELIST_ALIGN_TOP:
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case BUTTON_IMAGELIST_ALIGN_BOTTOM:
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virtual void SetBitmapPosition(wxDirection dir)
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wxFAIL_MSG( "invalid direction" );
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alignNew = BUTTON_IMAGELIST_ALIGN_LEFT;
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alignNew = BUTTON_IMAGELIST_ALIGN_RIGHT;
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alignNew = BUTTON_IMAGELIST_ALIGN_TOP;
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alignNew = BUTTON_IMAGELIST_ALIGN_BOTTOM;
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if ( alignNew != m_data.uAlign )
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m_data.uAlign = alignNew;
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void UpdateImageInfo()
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if ( !::SendMessage(m_hwndBtn, BCM_SETIMAGELIST, 0, (LPARAM)&m_data) )
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wxLogDebug("SendMessage(BCM_SETIMAGELIST) failed");
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// we store image list separately to be able to use convenient wxImageList
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// methods instead of working with raw HIMAGELIST
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// store the rest of the data in BCM_SETIMAGELIST-friendly form
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BUTTON_IMAGELIST m_data;
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// the button we're associated with
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const HWND m_hwndBtn;
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wxDECLARE_NO_COPY_CLASS(wxXPButtonImageData);
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#endif // wxUSE_UXTHEME
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} // anonymous namespace
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// ----------------------------------------------------------------------------
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// ----------------------------------------------------------------------------
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// ============================================================================
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// ============================================================================
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// ----------------------------------------------------------------------------
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// helper functions from wx/msw/private/button.h
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// ----------------------------------------------------------------------------
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void wxMSWButton::UpdateMultilineStyle(HWND hwnd, const wxString& label)
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// update BS_MULTILINE style depending on the new label (resetting it
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// doesn't seem to do anything very useful but it shouldn't hurt and we do
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// have to set it whenever the label becomes multi line as otherwise it
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// wouldn't be shown correctly as we don't use BS_MULTILINE when creating
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// the control unless it already has new lines in its label)
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long styleOld = ::GetWindowLong(hwnd, GWL_STYLE),
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if ( label.find(wxT('\n')) != wxString::npos )
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styleNew = styleOld | BS_MULTILINE;
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styleNew = styleOld & ~BS_MULTILINE;
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if ( styleNew != styleOld )
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::SetWindowLong(hwnd, GWL_STYLE, styleNew);
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wxSize wxMSWButton::GetFittingSize(wxWindow *win,
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const wxSize& sizeLabel,
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wxSize sizeBtn = sizeLabel;
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// FIXME: The numbers here are pure guesswork, no idea how should the
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// button margins be really calculated.
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if ( flags & Size_ExactFit )
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// We still need some margin or the text would be overwritten, just
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// make it as small as possible.
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sizeBtn.x += (3*win->GetCharWidth());
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sizeBtn.x += 3*win->GetCharWidth();
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sizeBtn.y += win->GetCharHeight()/2;
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// account for the shield UAC icon if we have it
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if ( flags & Size_AuthNeeded )
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sizeBtn.x += wxSystemSettings::GetMetric(wxSYS_SMALLICON_X);
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wxSize wxMSWButton::ComputeBestFittingSize(wxControl *btn, int flags)
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dc.GetMultiLineTextExtent(btn->GetLabelText(), &sizeBtn.x, &sizeBtn.y);
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return GetFittingSize(btn, sizeBtn, flags);
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wxSize wxMSWButton::IncreaseToStdSizeAndCache(wxControl *btn, const wxSize& size)
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wxSize sizeBtn(size);
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// All buttons have at least the standard height and, unless the user
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// explicitly wants them to be as small as possible and used wxBU_EXACTFIT
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// style to indicate this, of at least the standard width too.
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// Notice that we really want to make all buttons equally high, otherwise
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// they look ugly and the existing code using wxBU_EXACTFIT only uses it to
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// control width and not height.
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// The 50x14 button size is documented in the "Recommended sizing and
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// spacing" section of MSDN layout article.
438
// Note that we intentionally don't use GetDefaultSize() here, because
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// it's inexact -- dialog units depend on this dialog's font.
440
const wxSize sizeDef = btn->ConvertDialogToPixels(wxSize(50, 14));
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if ( !btn->HasFlag(wxBU_EXACTFIT) )
443
if ( sizeBtn.x < sizeDef.x )
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sizeBtn.x = sizeDef.x;
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if ( sizeBtn.y < sizeDef.y )
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sizeBtn.y = sizeDef.y;
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btn->CacheBestSize(sizeBtn);
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// ----------------------------------------------------------------------------
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// creation/destruction
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// ----------------------------------------------------------------------------
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wxAnyButton::~wxAnyButton()
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#endif // wxUSE_MARKUP
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void wxAnyButton::SetLabel(const wxString& label)
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wxMSWButton::UpdateMultilineStyle(GetHwnd(), label);
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wxAnyButtonBase::SetLabel(label);
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// If we have a plain text label, we shouldn't be using markup any longer.
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// Unfortunately we don't really know whether we can reset the button
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// to be non-owner-drawn or not: if we had made it owner-drawn just
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// because of a call to SetLabelMarkup(), we could, but not if there
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// were [also] calls to Set{Fore,Back}groundColour(). If it's really a
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// problem to have button remain owner-drawn forever just because it
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// had markup label once, we should record the reason for our current
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// owner-drawnness and check it here.
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#endif // wxUSE_MARKUP
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// ----------------------------------------------------------------------------
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// size management including autosizing
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// ----------------------------------------------------------------------------
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void wxAnyButton::AdjustForBitmapSize(wxSize &size) const
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wxCHECK_RET( m_imageData, wxT("shouldn't be called if no image") );
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// account for the bitmap size
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const wxSize sizeBmp = m_imageData->GetBitmap(State_Normal).GetSize();
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const wxDirection dirBmp = m_imageData->GetBitmapPosition();
501
if ( dirBmp == wxLEFT || dirBmp == wxRIGHT )
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if ( sizeBmp.y > size.y )
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else // bitmap on top/below the text
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if ( sizeBmp.x > size.x )
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// account for the user-specified margins
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size += 2*m_imageData->GetBitmapMargins();
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// and also for the margins we always add internally (unless we have no
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// border at all in which case the button has exactly the same size as
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// bitmap and so no margins should be used)
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if ( !HasFlag(wxBORDER_NONE) )
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if ( wxUxThemeEngine::GetIfActive() )
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wxUxThemeHandle theme(const_cast<wxAnyButton *>(this), L"BUTTON");
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wxUxThemeEngine::Get()->GetThemeMargins(theme, NULL,
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// XP doesn't draw themed buttons correctly when the client
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// area is smaller than 8x8 - enforce this minimum size for
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size.IncTo(wxSize(8, 8));
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marginH = margins.cxLeftWidth + margins.cxRightWidth
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+ 2*XP_BUTTON_EXTRA_MARGIN;
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marginV = margins.cyTopHeight + margins.cyBottomHeight
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+ 2*XP_BUTTON_EXTRA_MARGIN;
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#endif // wxUSE_UXTHEME
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marginV = OD_BUTTON_MARGIN;
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size.IncBy(marginH, marginV);
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wxSize wxAnyButton::DoGetBestSize() const
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wxAnyButton * const self = const_cast<wxAnyButton *>(this);
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// Account for the text part if we have it.
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if ( HasFlag(wxBU_EXACTFIT) )
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flags |= wxMSWButton::Size_ExactFit;
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if ( DoGetAuthNeeded() )
571
flags |= wxMSWButton::Size_AuthNeeded;
577
size = wxMSWButton::GetFittingSize(self,
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m_markupText->Measure(dc),
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else // Normal plain text (but possibly multiline) label.
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#endif // wxUSE_MARKUP
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size = wxMSWButton::ComputeBestFittingSize(self, flags);
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AdjustForBitmapSize(size);
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return wxMSWButton::IncreaseToStdSizeAndCache(self, size);
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// ----------------------------------------------------------------------------
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// event/message handlers
596
// ----------------------------------------------------------------------------
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WXLRESULT wxAnyButton::MSWWindowProc(WXUINT nMsg, WXWPARAM wParam, WXLPARAM lParam)
600
if ( nMsg == WM_LBUTTONDBLCLK )
602
// emulate a click event to force an owner-drawn button to change its
603
// appearance - without this, it won't do it
604
(void)wxControl::MSWWindowProc(WM_LBUTTONDOWN, wParam, lParam);
606
// and continue with processing the message normally as well
609
else if ( nMsg == WM_THEMECHANGED )
611
// need to recalculate the best size here
612
// as the theme size might have changed
613
InvalidateBestSize();
615
#endif // wxUSE_UXTHEME
616
// must use m_mouseInWindow here instead of IsMouseInWindow()
617
// since we need to know the first time the mouse enters the window
618
// and IsMouseInWindow() would return true in this case
619
else if ( (nMsg == WM_MOUSEMOVE && !m_mouseInWindow) ||
620
nMsg == WM_MOUSELEAVE )
626
wxUxThemeEngine::GetIfActive() ||
627
#endif // wxUSE_UXTHEME
628
(m_imageData && m_imageData->GetBitmap(State_Current).IsOk())
636
// let the base class do all real processing
637
return wxControl::MSWWindowProc(nMsg, wParam, lParam);
640
// ----------------------------------------------------------------------------
642
// ----------------------------------------------------------------------------
644
wxBitmap wxAnyButton::DoGetBitmap(State which) const
646
return m_imageData ? m_imageData->GetBitmap(which) : wxBitmap();
649
void wxAnyButton::DoSetBitmap(const wxBitmap& bitmap, State which)
652
wxXPButtonImageData *oldData = NULL;
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#endif // wxUSE_UXTHEME
655
// Check if we already had bitmaps of different size.
657
bitmap.GetSize() != m_imageData->GetBitmap(State_Normal).GetSize() )
659
wxASSERT_MSG( (which == State_Normal) || bitmap.IsNull(),
660
"Must set normal bitmap with the new size first" );
663
if ( ShowsLabel() && wxUxThemeEngine::GetIfActive() )
665
// We can't change the size of the images stored in wxImageList
666
// in wxXPButtonImageData::m_iml so force recreating it below but
667
// keep the current data to copy its values into the new one.
668
oldData = static_cast<wxXPButtonImageData *>(m_imageData);
671
#endif // wxUSE_UXTHEME
672
//else: wxODButtonImageData doesn't require anything special
675
// allocate the image data when the first bitmap is set
679
// using image list doesn't work correctly if we don't have any label
680
// (even if we use BUTTON_IMAGELIST_ALIGN_CENTER alignment and
681
// BS_BITMAP style), at least under Windows 2003 so use owner drawn
682
// strategy for bitmap-only buttons
683
if ( ShowsLabel() && wxUxThemeEngine::GetIfActive() )
685
m_imageData = new wxXPButtonImageData(this, bitmap);
689
// Preserve the old values in case the user changed them.
690
m_imageData->SetBitmapPosition(oldData->GetBitmapPosition());
692
const wxSize oldMargins = oldData->GetBitmapMargins();
693
m_imageData->SetBitmapMargins(oldMargins.x, oldMargins.y);
695
// No need to preserve the bitmaps though as they were of wrong
702
#endif // wxUSE_UXTHEME
704
m_imageData = new wxODButtonImageData(this, bitmap);
710
m_imageData->SetBitmap(bitmap, which);
713
// it should be enough to only invalidate the best size when the normal
714
// bitmap changes as all bitmaps assigned to the button should be of the
716
if ( which == State_Normal )
717
InvalidateBestSize();
722
wxSize wxAnyButton::DoGetBitmapMargins() const
724
return m_imageData ? m_imageData->GetBitmapMargins() : wxSize(0, 0);
727
void wxAnyButton::DoSetBitmapMargins(wxCoord x, wxCoord y)
729
wxCHECK_RET( m_imageData, "SetBitmap() must be called first" );
731
m_imageData->SetBitmapMargins(x, y);
732
InvalidateBestSize();
735
void wxAnyButton::DoSetBitmapPosition(wxDirection dir)
737
wxCHECK_RET( m_imageData, "SetBitmap() must be called first" );
739
m_imageData->SetBitmapPosition(dir);
740
InvalidateBestSize();
743
// ----------------------------------------------------------------------------
745
// ----------------------------------------------------------------------------
749
bool wxAnyButton::DoSetLabelMarkup(const wxString& markup)
751
if ( !wxAnyButtonBase::DoSetLabelMarkup(markup) )
756
m_markupText = new wxMarkupText(markup);
761
// We are already owner-drawn so just update the text.
762
m_markupText->SetMarkup(markup);
770
#endif // wxUSE_MARKUP
772
// ----------------------------------------------------------------------------
773
// owner-drawn buttons support
774
// ----------------------------------------------------------------------------
780
// return the button state using both the ODS_XXX flags specified in state
781
// parameter and the current button state
782
wxAnyButton::State GetButtonState(wxAnyButton *btn, UINT state)
784
if ( state & ODS_DISABLED )
785
return wxAnyButton::State_Disabled;
787
if ( state & ODS_SELECTED )
788
return wxAnyButton::State_Pressed;
790
if ( btn->HasCapture() || btn->IsMouseInWindow() )
791
return wxAnyButton::State_Current;
793
if ( state & ODS_FOCUS )
794
return wxAnyButton::State_Focused;
796
return btn->GetNormalState();
799
void DrawButtonText(HDC hdc,
804
const wxString text = btn->GetLabel();
806
if ( text.find(wxT('\n')) != wxString::npos )
808
// draw multiline label
810
// center text horizontally in any case
813
// first we need to compute its bounding rect
815
::CopyRect(&rc, pRect);
816
::DrawText(hdc, text.t_str(), text.length(), &rc,
817
DT_CENTER | DT_CALCRECT);
819
// now center this rect inside the entire button area
820
const LONG w = rc.right - rc.left;
821
const LONG h = rc.bottom - rc.top;
822
rc.left = pRect->left + (pRect->right - pRect->left)/2 - w/2;
823
rc.right = rc.left+w;
824
rc.top = pRect->top + (pRect->bottom - pRect->top)/2 - h/2;
825
rc.bottom = rc.top+h;
827
::DrawText(hdc, text.t_str(), text.length(), &rc, flags);
829
else // single line label
831
// translate wx button flags to alignment flags for DrawText()
832
if ( btn->HasFlag(wxBU_RIGHT) )
836
else if ( !btn->HasFlag(wxBU_LEFT) )
840
//else: DT_LEFT is the default anyhow (and its value is 0 too)
842
if ( btn->HasFlag(wxBU_BOTTOM) )
846
else if ( !btn->HasFlag(wxBU_TOP) )
850
//else: as above, DT_TOP is the default
852
// notice that we must have DT_SINGLELINE for vertical alignment flags
854
::DrawText(hdc, text.t_str(), text.length(), pRect,
855
flags | DT_SINGLELINE );
859
void DrawRect(HDC hdc, const RECT& r)
861
wxDrawLine(hdc, r.left, r.top, r.right, r.top);
862
wxDrawLine(hdc, r.right, r.top, r.right, r.bottom);
863
wxDrawLine(hdc, r.right, r.bottom, r.left, r.bottom);
864
wxDrawLine(hdc, r.left, r.bottom, r.left, r.top);
868
The button frame looks like this normally:
871
WHHHHHHHHHHHHHHHHGB W = white (HILIGHT)
872
WH GB H = light grey (LIGHT)
873
WH GB G = dark grey (SHADOW)
874
WH GB B = black (DKSHADOW)
879
When the button is selected, the button becomes like this (the total button
880
size doesn't change):
891
When the button is pushed (while selected) it is like:
902
void DrawButtonFrame(HDC hdc, RECT& rectBtn,
903
bool selected, bool pushed)
906
CopyRect(&r, &rectBtn);
908
AutoHPEN hpenBlack(GetSysColor(COLOR_3DDKSHADOW)),
909
hpenGrey(GetSysColor(COLOR_3DSHADOW)),
910
hpenLightGr(GetSysColor(COLOR_3DLIGHT)),
911
hpenWhite(GetSysColor(COLOR_3DHILIGHT));
913
SelectInHDC selectPen(hdc, hpenBlack);
922
(void)SelectObject(hdc, hpenGrey);
923
::InflateRect(&r, -1, -1);
933
::InflateRect(&r, -1, -1);
936
wxDrawLine(hdc, r.left, r.bottom, r.right, r.bottom);
937
wxDrawLine(hdc, r.right, r.bottom, r.right, r.top - 1);
939
(void)SelectObject(hdc, hpenWhite);
940
wxDrawLine(hdc, r.left, r.bottom - 1, r.left, r.top);
941
wxDrawLine(hdc, r.left, r.top, r.right, r.top);
943
(void)SelectObject(hdc, hpenLightGr);
944
wxDrawLine(hdc, r.left + 1, r.bottom - 2, r.left + 1, r.top + 1);
945
wxDrawLine(hdc, r.left + 1, r.top + 1, r.right - 1, r.top + 1);
947
(void)SelectObject(hdc, hpenGrey);
948
wxDrawLine(hdc, r.left + 1, r.bottom - 1, r.right - 1, r.bottom - 1);
949
wxDrawLine(hdc, r.right - 1, r.bottom - 1, r.right - 1, r.top);
952
InflateRect(&rectBtn, -OD_BUTTON_MARGIN, -OD_BUTTON_MARGIN);
956
void DrawXPBackground(wxAnyButton *button, HDC hdc, RECT& rectBtn, UINT state)
958
wxUxThemeHandle theme(button, L"BUTTON");
960
// this array is indexed by wxAnyButton::State values and so must be kept in
962
static const int uxStates[] =
964
PBS_NORMAL, PBS_HOT, PBS_PRESSED, PBS_DISABLED, PBS_DEFAULTED
967
int iState = uxStates[GetButtonState(button, state)];
969
wxUxThemeEngine * const engine = wxUxThemeEngine::Get();
971
// draw parent background if needed
972
if ( engine->IsThemeBackgroundPartiallyTransparent
979
// Set this button as the one whose background is being erased: this
980
// allows our WM_ERASEBKGND handler used by DrawThemeParentBackground()
981
// to correctly align the background brush with this window instead of
982
// the parent window to which WM_ERASEBKGND is sent. Notice that this
983
// doesn't work with custom user-defined EVT_ERASE_BACKGROUND handlers
984
// as they won't be aligned but unfortunately all the attempts to fix
985
// it by shifting DC origin before calling DrawThemeParentBackground()
986
// failed to work so we at least do this, even though this is far from
987
// being the perfect solution.
988
wxWindowBeingErased = button;
990
engine->DrawThemeParentBackground(GetHwndOf(button), hdc, &rectBtn);
992
wxWindowBeingErased = NULL;
996
engine->DrawThemeBackground(theme, hdc, BP_PUSHBUTTON, iState,
999
// calculate content area margins
1001
engine->GetThemeMargins(theme, hdc, BP_PUSHBUTTON, iState,
1002
TMT_CONTENTMARGINS, &rectBtn, &margins);
1003
::InflateRect(&rectBtn, -margins.cxLeftWidth, -margins.cyTopHeight);
1004
::InflateRect(&rectBtn, -XP_BUTTON_EXTRA_MARGIN, -XP_BUTTON_EXTRA_MARGIN);
1006
if ( button->UseBgCol() )
1008
COLORREF colBg = wxColourToRGB(button->GetBackgroundColour());
1009
AutoHBRUSH hbrushBackground(colBg);
1011
// don't overwrite the focus rect
1013
::CopyRect(&rectClient, &rectBtn);
1014
::InflateRect(&rectClient, -1, -1);
1015
FillRect(hdc, &rectClient, hbrushBackground);
1018
#endif // wxUSE_UXTHEME
1020
} // anonymous namespace
1022
// ----------------------------------------------------------------------------
1023
// owner drawn buttons support
1024
// ----------------------------------------------------------------------------
1026
void wxAnyButton::MakeOwnerDrawn()
1028
if ( !IsOwnerDrawn() )
1031
// note that BS_OWNERDRAW is not independent from other style bits
1032
long style = GetWindowLong(GetHwnd(), GWL_STYLE);
1033
style &= ~(BS_3STATE | BS_AUTO3STATE | BS_AUTOCHECKBOX | BS_AUTORADIOBUTTON | BS_CHECKBOX | BS_DEFPUSHBUTTON | BS_GROUPBOX | BS_PUSHBUTTON | BS_RADIOBUTTON | BS_PUSHLIKE);
1034
style |= BS_OWNERDRAW;
1035
SetWindowLong(GetHwnd(), GWL_STYLE, style);
1039
bool wxAnyButton::IsOwnerDrawn() const
1041
long style = GetWindowLong(GetHwnd(), GWL_STYLE);
1042
return ( (style & BS_OWNERDRAW) == BS_OWNERDRAW );
1045
bool wxAnyButton::SetBackgroundColour(const wxColour &colour)
1047
if ( !wxControl::SetBackgroundColour(colour) )
1060
bool wxAnyButton::SetForegroundColour(const wxColour &colour)
1062
if ( !wxControl::SetForegroundColour(colour) )
1075
bool wxAnyButton::MSWOnDraw(WXDRAWITEMSTRUCT *wxdis)
1077
LPDRAWITEMSTRUCT lpDIS = (LPDRAWITEMSTRUCT)wxdis;
1078
HDC hdc = lpDIS->hDC;
1080
UINT state = lpDIS->itemState;
1081
switch ( GetButtonState(this, state) )
1083
case State_Disabled:
1084
state |= ODS_DISABLED;
1087
state |= ODS_SELECTED;
1096
bool pushed = (SendMessage(GetHwnd(), BM_GETSTATE, 0, 0) & BST_PUSHED) != 0;
1099
CopyRect(&rectBtn, &lpDIS->rcItem);
1101
// draw the button background
1102
if ( !HasFlag(wxBORDER_NONE) )
1105
if ( wxUxThemeEngine::GetIfActive() )
1107
DrawXPBackground(this, hdc, rectBtn, state);
1110
#endif // wxUSE_UXTHEME
1112
COLORREF colBg = wxColourToRGB(GetBackgroundColour());
1114
// first, draw the background
1115
AutoHBRUSH hbrushBackground(colBg);
1116
FillRect(hdc, &rectBtn, hbrushBackground);
1118
// draw the border for the current state
1119
bool selected = (state & ODS_SELECTED) != 0;
1123
tlw = wxDynamicCast(wxGetTopLevelParent(this), wxTopLevelWindow);
1126
selected = tlw->GetDefaultItem() == this;
1130
DrawButtonFrame(hdc, rectBtn, selected, pushed);
1133
// draw the focus rectangle if we need it
1134
if ( (state & ODS_FOCUS) && !(state & ODS_NOFOCUSRECT) )
1136
DrawFocusRect(hdc, &rectBtn);
1139
if ( !wxUxThemeEngine::GetIfActive() )
1140
#endif // wxUSE_UXTHEME
1144
// the label is shifted by 1 pixel to create "pushed" effect
1145
OffsetRect(&rectBtn, 1, 1);
1152
// draw the image, if any
1155
wxBitmap bmp = m_imageData->GetBitmap(GetButtonState(this, state));
1157
bmp = m_imageData->GetBitmap(State_Normal);
1159
const wxSize sizeBmp = bmp.GetSize();
1160
const wxSize margin = m_imageData->GetBitmapMargins();
1161
const wxSize sizeBmpWithMargins(sizeBmp + 2*margin);
1162
wxRect rectButton(wxRectFromRECT(rectBtn));
1164
// for simplicity, we start with centred rectangle and then move it to
1165
// the appropriate edge
1166
wxRect rectBitmap = wxRect(sizeBmp).CentreIn(rectButton);
1168
// move bitmap only if we have a label, otherwise keep it centered
1171
switch ( m_imageData->GetBitmapPosition() )
1174
wxFAIL_MSG( "invalid direction" );
1178
rectBitmap.x = rectButton.x + margin.x;
1179
rectButton.x += sizeBmpWithMargins.x;
1180
rectButton.width -= sizeBmpWithMargins.x;
1184
rectBitmap.x = rectButton.GetRight() - sizeBmp.x - margin.x;
1185
rectButton.width -= sizeBmpWithMargins.x;
1189
rectBitmap.y = rectButton.y + margin.y;
1190
rectButton.y += sizeBmpWithMargins.y;
1191
rectButton.height -= sizeBmpWithMargins.y;
1195
rectBitmap.y = rectButton.GetBottom() - sizeBmp.y - margin.y;
1196
rectButton.height -= sizeBmpWithMargins.y;
1201
wxDCTemp dst((WXHDC)hdc);
1202
dst.DrawBitmap(bmp, rectBitmap.GetPosition(), true);
1204
wxCopyRectToRECT(rectButton, rectBtn);
1208
// finally draw the label
1211
COLORREF colFg = state & ODS_DISABLED
1212
? ::GetSysColor(COLOR_GRAYTEXT)
1213
: wxColourToRGB(GetForegroundColour());
1215
wxTextColoursChanger changeFg(hdc, colFg, CLR_INVALID);
1216
wxBkModeChanger changeBkMode(hdc, wxBRUSHSTYLE_TRANSPARENT);
1221
wxDCTemp dc((WXHDC)hdc);
1222
dc.SetTextForeground(wxColour(colFg));
1223
dc.SetFont(GetFont());
1225
m_markupText->Render(dc, wxRectFromRECT(rectBtn),
1227
? wxMarkupText::Render_Default
1228
: wxMarkupText::Render_ShowAccels);
1230
else // Plain text label
1231
#endif // wxUSE_MARKUP
1233
// notice that DT_HIDEPREFIX doesn't work on old (pre-Windows 2000)
1234
// systems but by happy coincidence ODS_NOACCEL is not used under
1235
// them neither so DT_HIDEPREFIX should never be used there
1236
DrawButtonText(hdc, &rectBtn, this,
1237
state & ODS_NOACCEL ? DT_HIDEPREFIX : 0);
1244
#endif // wxHAS_ANY_BUTTON