Mercurial > vba-linux

     1 // ColorControl.cpp : implementation file

     2 //

     3 

     4 #include "stdafx.h"

     5 #include "ColorControl.h"

     6 

     7 bool ColorControl::isRegistered = false;

     8 

     9 /////////////////////////////////////////////////////////////////////////////

    10 // ColorControl

    11 

    12 ColorControl::ColorControl()

    13 {

    14   color = 0;

    15   registerClass();

    16 }

    17 

    18 ColorControl::~ColorControl()

    19 {

    20 }

    21 

    22 

    23 BEGIN_MESSAGE_MAP(ColorControl, CWnd)

    24   //{{AFX_MSG_MAP(ColorControl)

    25   ON_WM_PAINT()

    26   ON_WM_ERASEBKGND()

    27   //}}AFX_MSG_MAP

    28   END_MESSAGE_MAP()

    29 

    30 

    31   /////////////////////////////////////////////////////////////////////////////

    32 // ColorControl message handlers

    33 

    34 void ColorControl::OnPaint() 

    35 {

    36   CPaintDC dc(this); // device context for painting

    37 }

    38 

    39 BOOL ColorControl::OnEraseBkgnd(CDC* pDC) 

    40 {

    41   int r = (color & 0x1f) << 3;

    42   int g = (color & 0x3e0) >> 2;

    43   int b = (color & 0x7c00) >> 7;

    44 

    45   CBrush br;

    46   br.CreateSolidBrush(RGB(r,g,b));

    47 

    48   RECT rect;

    49   GetClientRect(&rect);

    50   pDC->FillRect(&rect,&br);

    51   pDC->DrawEdge(&rect, EDGE_SUNKEN, BF_RECT);

    52   br.DeleteObject();

    53   return TRUE;

    54 }

    55 

    56 void ColorControl::setColor(u16 c)

    57 {

    58   color = c;

    59   Invalidate();

    60 }

    61 

    62 void ColorControl::registerClass()

    63 {

    64   if(!isRegistered) {

    65     WNDCLASS wc;

    66     ZeroMemory(&wc, sizeof(wc));

    67     wc.style = CS_HREDRAW | CS_VREDRAW | CS_GLOBALCLASS;

    68     wc.lpfnWndProc = (WNDPROC)::DefWindowProc;

    69     wc.hInstance = AfxGetInstanceHandle();

    70     wc.hIcon = NULL;

    71     wc.hCursor = LoadCursor(NULL, IDC_ARROW);

    72     wc.hbrBackground = (HBRUSH )GetStockObject(BLACK_BRUSH);

    73     wc.lpszMenuName = NULL;

    74     wc.lpszClassName = "VbaColorControl";

    75     AfxRegisterClass(&wc);

    76     isRegistered = true;

    77   }

    78 }
author	Robert McIntyre <rlm@mit.edu>
date	Sat, 03 Mar 2012 10:31:27 -0600
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