diff src/win32/ColorButton.cpp @ 1:f9f4f1b99eed

importing src directory
author Robert McIntyre <rlm@mit.edu>
date Sat, 03 Mar 2012 10:31:27 -0600
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     1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/src/win32/ColorButton.cpp	Sat Mar 03 10:31:27 2012 -0600
     1.3 @@ -0,0 +1,95 @@
     1.4 +// ColorButton.cpp : implementation file
     1.5 +//
     1.6 +
     1.7 +#include "stdafx.h"
     1.8 +#include "ColorButton.h"
     1.9 +
    1.10 +bool ColorButton::isRegistered = false;
    1.11 +
    1.12 +/////////////////////////////////////////////////////////////////////////////
    1.13 +// ColorButton
    1.14 +
    1.15 +ColorButton::ColorButton()
    1.16 +{
    1.17 +  color = 0;
    1.18 +  registerClass();
    1.19 +}
    1.20 +
    1.21 +ColorButton::~ColorButton()
    1.22 +{
    1.23 +}
    1.24 +
    1.25 +
    1.26 +BEGIN_MESSAGE_MAP(ColorButton, CButton)
    1.27 +  //{{AFX_MSG_MAP(ColorButton)
    1.28 +  // NOTE - the ClassWizard will add and remove mapping macros here.
    1.29 +  //}}AFX_MSG_MAP
    1.30 +  END_MESSAGE_MAP()
    1.31 +
    1.32 +  /////////////////////////////////////////////////////////////////////////////
    1.33 +// ColorButton message handlers
    1.34 +
    1.35 +void ColorButton::PreSubclassWindow()
    1.36 +{
    1.37 +  SetWindowLong(m_hWnd, GWL_STYLE, GetStyle() | BS_OWNERDRAW);
    1.38 +  CWnd::PreSubclassWindow();
    1.39 +}
    1.40 +
    1.41 +void ColorButton::DrawItem(LPDRAWITEMSTRUCT lpDrawItemStruct)
    1.42 +{
    1.43 +  ASSERT(lpDrawItemStruct);
    1.44 +  
    1.45 +  int r = (color & 0x1f) << 3;
    1.46 +  int g = (color & 0x3e0) >> 2;
    1.47 +  int b = (color & 0x7c00) >> 7;
    1.48 +
    1.49 +  HDC dc = lpDrawItemStruct->hDC;
    1.50 +  UINT state = lpDrawItemStruct->itemState;
    1.51 +  RECT rect = lpDrawItemStruct->rcItem;
    1.52 +
    1.53 +  SIZE margins;
    1.54 +  margins.cx = ::GetSystemMetrics(SM_CXEDGE);
    1.55 +  margins.cy = ::GetSystemMetrics(SM_CYEDGE);
    1.56 +
    1.57 +  if(GetState() & BST_PUSHED)
    1.58 +    DrawEdge(dc, &rect, EDGE_SUNKEN, BF_RECT);
    1.59 +  else
    1.60 +    DrawEdge(dc, &rect, EDGE_RAISED, BF_RECT);
    1.61 +
    1.62 +  InflateRect(&rect, -margins.cx, -margins.cy);
    1.63 +  
    1.64 +  HBRUSH br = CreateSolidBrush((state & ODS_DISABLED) ? 
    1.65 +                               ::GetSysColor(COLOR_3DFACE) : RGB(r,g,b));
    1.66 +
    1.67 +  FillRect(dc, &rect, br);
    1.68 +
    1.69 +  if(state & ODS_FOCUS) {
    1.70 +    InflateRect(&rect, -1, -1);
    1.71 +    DrawFocusRect(dc, &rect);
    1.72 +  }
    1.73 +  
    1.74 +  DeleteObject(br);
    1.75 +}
    1.76 +
    1.77 +void ColorButton::setColor(u16 c)
    1.78 +{
    1.79 +  color = c;
    1.80 +  Invalidate();
    1.81 +}
    1.82 +
    1.83 +void ColorButton::registerClass()
    1.84 +{
    1.85 +  if(!isRegistered) {
    1.86 +    WNDCLASS wc;
    1.87 +    ZeroMemory(&wc, sizeof(wc));
    1.88 +    wc.style = CS_HREDRAW | CS_VREDRAW | CS_GLOBALCLASS;
    1.89 +    wc.lpfnWndProc = (WNDPROC)::DefWindowProc;
    1.90 +    wc.hInstance = AfxGetInstanceHandle();
    1.91 +    wc.hIcon = LoadCursor(NULL, IDC_ARROW);
    1.92 +    wc.hbrBackground = (HBRUSH )GetStockObject(BLACK_BRUSH);
    1.93 +    wc.lpszMenuName = NULL;
    1.94 +    wc.lpszClassName = "VbaColorButton";
    1.95 +    AfxRegisterClass(&wc);
    1.96 +    isRegistered = true;
    1.97 +  }
    1.98 +}