11b6a93b1e
git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@5279 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
349 lines
9.4 KiB
C++
349 lines
9.4 KiB
C++
/////////////////////////////////////////////////////////////////////////////
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// Name: bmpbuttn.cpp
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// Purpose: wxBitmapButton
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// Author: Julian Smart
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// Modified by:
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// Created: 04/01/98
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// RCS-ID: $Id$
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// Copyright: (c) Julian Smart and Markus Holzem
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// Licence: wxWindows license
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/////////////////////////////////////////////////////////////////////////////
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#ifdef __GNUG__
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#pragma implementation "bmpbuttn.h"
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#endif
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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 __BORLANDC__
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#pragma hdrstop
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#endif
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#ifndef WX_PRECOMP
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#include "wx/bmpbuttn.h"
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#include "wx/log.h"
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#endif
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#include "wx/msw/private.h"
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IMPLEMENT_DYNAMIC_CLASS(wxBitmapButton, wxButton)
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#define BUTTON_HEIGHT_FACTOR (EDIT_CONTROL_FACTOR * 1.1)
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bool wxBitmapButton::Create(wxWindow *parent, wxWindowID id, const wxBitmap& bitmap,
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const wxPoint& pos,
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const wxSize& size, long style,
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const wxValidator& validator,
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const wxString& name)
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{
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m_buttonBitmap = bitmap;
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SetName(name);
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#if wxUSE_VALIDATORS
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SetValidator(validator);
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#endif // wxUSE_VALIDATORS
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parent->AddChild(this);
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m_backgroundColour = parent->GetBackgroundColour() ;
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m_foregroundColour = parent->GetForegroundColour() ;
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m_windowStyle = style;
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m_marginX = 0;
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m_marginY = 0;
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if ( style & wxBU_AUTODRAW )
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{
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m_marginX = wxDEFAULT_BUTTON_MARGIN;
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m_marginY = wxDEFAULT_BUTTON_MARGIN;
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}
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int x = pos.x;
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int y = pos.y;
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int width = size.x;
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int height = size.y;
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if (id == -1)
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m_windowId = NewControlId();
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else
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m_windowId = id;
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if ( width == -1 && bitmap.Ok())
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width = bitmap.GetWidth() + 2*m_marginX;
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if ( height == -1 && bitmap.Ok())
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height = bitmap.GetHeight() + 2*m_marginY;
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m_hWnd = (WXHWND)CreateWindowEx
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(
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0,
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wxT("BUTTON"),
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wxT(""),
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WS_VISIBLE | WS_TABSTOP | WS_CHILD | BS_OWNERDRAW ,
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0, 0, 0, 0,
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GetWinHwnd(parent),
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(HMENU)m_windowId,
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wxGetInstance(),
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NULL
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);
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// Subclass again for purposes of dialog editing mode
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SubclassWin(m_hWnd);
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SetFont(parent->GetFont()) ;
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SetSize(x, y, width, height);
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return TRUE;
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}
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void wxBitmapButton::SetBitmapLabel(const wxBitmap& bitmap)
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{
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m_buttonBitmap = bitmap;
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}
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bool wxBitmapButton::MSWOnDraw(WXDRAWITEMSTRUCT *item)
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{
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#if defined(__WIN95__)
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long style = GetWindowLong((HWND) GetHWND(), GWL_STYLE);
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if (style & BS_BITMAP)
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{
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// Let default procedure draw the bitmap, which is defined
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// in the Windows resource.
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return FALSE;
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}
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#endif
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LPDRAWITEMSTRUCT lpDIS = (LPDRAWITEMSTRUCT) item;
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// choose the bitmap to use depending on the buttons state
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wxBitmap* bitmap;
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UINT state = lpDIS->itemState;
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bool isSelected = (state & ODS_SELECTED) != 0;
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if ( isSelected && m_buttonBitmapSelected.Ok() )
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bitmap = &m_buttonBitmapSelected;
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else if ((state & ODS_FOCUS) && m_buttonBitmapFocus.Ok())
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bitmap = &m_buttonBitmapFocus;
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else if ((state & ODS_DISABLED) && m_buttonBitmapDisabled.Ok())
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bitmap = &m_buttonBitmapDisabled;
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else
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bitmap = &m_buttonBitmap;
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if ( !bitmap->Ok() )
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return FALSE;
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// draw it on the memory DC
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HDC hDC = lpDIS->hDC;
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HDC memDC = ::CreateCompatibleDC(hDC);
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HBITMAP old = (HBITMAP) ::SelectObject(memDC, (HBITMAP) bitmap->GetHBITMAP());
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if (!old)
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{
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wxLogLastError(_T("SelectObject"));
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return FALSE;
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}
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int x = lpDIS->rcItem.left;
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int y = lpDIS->rcItem.top;
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int width = lpDIS->rcItem.right - x;
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int height = lpDIS->rcItem.bottom - y;
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int wBmp = bitmap->GetWidth(),
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hBmp = bitmap->GetHeight();
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// Draw the face, if auto-drawing
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bool autoDraw = (GetWindowStyleFlag() & wxBU_AUTODRAW) != 0;
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if ( autoDraw )
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{
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DrawFace((WXHDC) hDC,
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lpDIS->rcItem.left, lpDIS->rcItem.top,
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lpDIS->rcItem.right, lpDIS->rcItem.bottom,
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isSelected);
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}
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// Centre the bitmap in the control area
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int x1 = x + (width - wBmp) / 2;
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int y1 = y + (height - hBmp) / 2;
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if ( isSelected && autoDraw )
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{
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x1++;
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y1++;
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}
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BOOL ok;
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// no MaskBlt() under Win16
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#ifdef __WIN32__
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wxMask *mask = bitmap->GetMask();
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if ( mask )
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{
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// the fg ROP is applied for the pixels of the mask bitmap which are 1
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// (for a wxMask this means that this is a non transparent pixel), the
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// bg ROP is applied for all the others
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wxColour colBg = GetBackgroundColour();
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HBRUSH hbrBackground =
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::CreateSolidBrush(RGB(colBg.Red(), colBg.Green(), colBg.Blue()));
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HBRUSH hbrOld = (HBRUSH)::SelectObject(hDC, hbrBackground);
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ok = ::MaskBlt(
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hDC, x1, y1, wBmp, hBmp, // dst
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memDC, 0, 0, // src
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(HBITMAP)mask->GetMaskBitmap(), 0, 0, // mask
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MAKEROP4(SRCCOPY, // fg ROP
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PATCOPY) // bg ROP
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);
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::SelectObject(hDC, hbrOld);
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::DeleteObject(hbrBackground);
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}
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else
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#endif // Win32
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{
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ok = ::BitBlt(hDC, x1, y1, wBmp, hBmp, // dst
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memDC, 0, 0, // src
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SRCCOPY); // ROP
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}
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if ( !ok )
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{
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wxLogLastError(_T("Mask/BitBlt()"));
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}
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if ( (state & ODS_DISABLED) && autoDraw )
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{
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DrawButtonDisable((WXHDC) hDC,
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lpDIS->rcItem.left, lpDIS->rcItem.top,
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lpDIS->rcItem.right, lpDIS->rcItem.bottom,
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TRUE);
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}
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else if ( (state & ODS_FOCUS) && autoDraw )
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{
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DrawButtonFocus((WXHDC) hDC,
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lpDIS->rcItem.left,
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lpDIS->rcItem.top,
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lpDIS->rcItem.right,
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lpDIS->rcItem.bottom,
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isSelected);
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}
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::SelectObject(memDC, old);
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::DeleteDC(memDC);
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return TRUE;
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}
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void wxBitmapButton::DrawFace( WXHDC dc, int left, int top, int right, int bottom, bool sel )
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{
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HPEN oldp;
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HBRUSH oldb ;
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HPEN penBorder;
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HPEN penLight;
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HPEN penShadow;
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HBRUSH brushFace;
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COLORREF ms_color;
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ms_color = GetSysColor(COLOR_WINDOWFRAME) ;
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penBorder = CreatePen(PS_SOLID,0,ms_color) ;
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ms_color = GetSysColor(COLOR_BTNSHADOW) ;
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penShadow = CreatePen(PS_SOLID,0,ms_color) ;
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ms_color = GetSysColor(COLOR_BTNHIGHLIGHT) ;
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penLight = CreatePen(PS_SOLID,0,ms_color) ;
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ms_color = GetSysColor(COLOR_BTNFACE) ;
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brushFace = CreateSolidBrush(ms_color) ;
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oldp = (HPEN) SelectObject( (HDC) dc, GetStockObject( NULL_PEN ) ) ;
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oldb = (HBRUSH) SelectObject( (HDC) dc, brushFace ) ;
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Rectangle( (HDC) dc, left, top, right, bottom ) ;
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SelectObject( (HDC) dc, penBorder) ;
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MoveToEx((HDC) dc,left+1,top,NULL);LineTo((HDC) dc,right-1,top);
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MoveToEx((HDC) dc,left,top+1,NULL);LineTo((HDC) dc,left,bottom-1);
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MoveToEx((HDC) dc,left+1,bottom-1,NULL);LineTo((HDC) dc,right-1,bottom-1);
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MoveToEx((HDC) dc,right-1,top+1,NULL);LineTo((HDC) dc,right-1,bottom-1);
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SelectObject( (HDC) dc, penShadow) ;
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if (sel)
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{
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MoveToEx((HDC) dc,left+1 ,bottom-2 ,NULL) ;
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LineTo((HDC) dc, left+1 ,top+1) ;
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LineTo((HDC) dc, right-2 ,top+1) ;
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}
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else
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{
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MoveToEx((HDC) dc,left+1 ,bottom-2 ,NULL) ;
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LineTo((HDC) dc, right-2 ,bottom-2) ;
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LineTo((HDC) dc, right-2 ,top) ;
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MoveToEx((HDC) dc,left+2 ,bottom-3 ,NULL) ;
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LineTo((HDC) dc, right-3 ,bottom-3) ;
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LineTo((HDC) dc, right-3 ,top+1) ;
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SelectObject( (HDC) dc, penLight) ;
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MoveToEx((HDC) dc,left+1 ,bottom-2 ,NULL) ;
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LineTo((HDC) dc, left+1 ,top+1) ;
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LineTo((HDC) dc, right-2 ,top+1) ;
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}
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SelectObject((HDC) dc,oldp) ;
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SelectObject((HDC) dc,oldb) ;
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DeleteObject(penBorder);
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DeleteObject(penLight);
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DeleteObject(penShadow);
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DeleteObject(brushFace);
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}
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// VZ: should be at the very least less than wxDEFAULT_BUTTON_MARGIN
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#define FOCUS_MARGIN 3
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void wxBitmapButton::DrawButtonFocus( WXHDC dc, int left, int top, int right, int bottom, bool sel )
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{
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RECT rect;
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rect.left = left;
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rect.top = top;
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rect.right = right;
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rect.bottom = bottom;
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InflateRect( &rect, - FOCUS_MARGIN, - FOCUS_MARGIN ) ;
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if ( sel )
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OffsetRect( &rect, 1, 1 ) ;
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DrawFocusRect( (HDC) dc, &rect ) ;
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}
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extern HBRUSH wxDisableButtonBrush;
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void wxBitmapButton::DrawButtonDisable( WXHDC dc, int left, int top, int right, int bottom, bool with_marg )
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{
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HBRUSH old = (HBRUSH) SelectObject( (HDC) dc, wxDisableButtonBrush ) ;
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// VZ: what's this?? there is no such ROP AFAIK
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#ifdef __SALFORDC__
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DWORD dwRop = 0xFA0089L;
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#else
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DWORD dwRop = 0xFA0089UL;
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#endif
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if ( with_marg )
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{
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left += m_marginX;
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top += m_marginY;
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right -= 2 * m_marginX;
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bottom -= 2 * m_marginY;
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}
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::PatBlt( (HDC) dc, left, top, right, bottom, dwRop);
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::SelectObject( (HDC) dc, old ) ;
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}
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void wxBitmapButton::SetDefault()
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{
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wxButton::SetDefault();
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}
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