rlm@1: // ColorButton.cpp : implementation file
rlm@1: //
rlm@1: 
rlm@1: #include "stdafx.h"
rlm@1: #include "ColorButton.h"
rlm@1: 
rlm@1: bool ColorButton::isRegistered = false;
rlm@1: 
rlm@1: /////////////////////////////////////////////////////////////////////////////
rlm@1: // ColorButton
rlm@1: 
rlm@1: ColorButton::ColorButton()
rlm@1: {
rlm@1:   color = 0;
rlm@1:   registerClass();
rlm@1: }
rlm@1: 
rlm@1: ColorButton::~ColorButton()
rlm@1: {
rlm@1: }
rlm@1: 
rlm@1: 
rlm@1: BEGIN_MESSAGE_MAP(ColorButton, CButton)
rlm@1:   //{{AFX_MSG_MAP(ColorButton)
rlm@1:   // NOTE - the ClassWizard will add and remove mapping macros here.
rlm@1:   //}}AFX_MSG_MAP
rlm@1:   END_MESSAGE_MAP()
rlm@1: 
rlm@1:   /////////////////////////////////////////////////////////////////////////////
rlm@1: // ColorButton message handlers
rlm@1: 
rlm@1: void ColorButton::PreSubclassWindow()
rlm@1: {
rlm@1:   SetWindowLong(m_hWnd, GWL_STYLE, GetStyle() | BS_OWNERDRAW);
rlm@1:   CWnd::PreSubclassWindow();
rlm@1: }
rlm@1: 
rlm@1: void ColorButton::DrawItem(LPDRAWITEMSTRUCT lpDrawItemStruct)
rlm@1: {
rlm@1:   ASSERT(lpDrawItemStruct);
rlm@1:   
rlm@1:   int r = (color & 0x1f) << 3;
rlm@1:   int g = (color & 0x3e0) >> 2;
rlm@1:   int b = (color & 0x7c00) >> 7;
rlm@1: 
rlm@1:   HDC dc = lpDrawItemStruct->hDC;
rlm@1:   UINT state = lpDrawItemStruct->itemState;
rlm@1:   RECT rect = lpDrawItemStruct->rcItem;
rlm@1: 
rlm@1:   SIZE margins;
rlm@1:   margins.cx = ::GetSystemMetrics(SM_CXEDGE);
rlm@1:   margins.cy = ::GetSystemMetrics(SM_CYEDGE);
rlm@1: 
rlm@1:   if(GetState() & BST_PUSHED)
rlm@1:     DrawEdge(dc, &rect, EDGE_SUNKEN, BF_RECT);
rlm@1:   else
rlm@1:     DrawEdge(dc, &rect, EDGE_RAISED, BF_RECT);
rlm@1: 
rlm@1:   InflateRect(&rect, -margins.cx, -margins.cy);
rlm@1:   
rlm@1:   HBRUSH br = CreateSolidBrush((state & ODS_DISABLED) ? 
rlm@1:                                ::GetSysColor(COLOR_3DFACE) : RGB(r,g,b));
rlm@1: 
rlm@1:   FillRect(dc, &rect, br);
rlm@1: 
rlm@1:   if(state & ODS_FOCUS) {
rlm@1:     InflateRect(&rect, -1, -1);
rlm@1:     DrawFocusRect(dc, &rect);
rlm@1:   }
rlm@1:   
rlm@1:   DeleteObject(br);
rlm@1: }
rlm@1: 
rlm@1: void ColorButton::setColor(u16 c)
rlm@1: {
rlm@1:   color = c;
rlm@1:   Invalidate();
rlm@1: }
rlm@1: 
rlm@1: void ColorButton::registerClass()
rlm@1: {
rlm@1:   if(!isRegistered) {
rlm@1:     WNDCLASS wc;
rlm@1:     ZeroMemory(&wc, sizeof(wc));
rlm@1:     wc.style = CS_HREDRAW | CS_VREDRAW | CS_GLOBALCLASS;
rlm@1:     wc.lpfnWndProc = (WNDPROC)::DefWindowProc;
rlm@1:     wc.hInstance = AfxGetInstanceHandle();
rlm@1:     wc.hIcon = LoadCursor(NULL, IDC_ARROW);
rlm@1:     wc.hbrBackground = (HBRUSH )GetStockObject(BLACK_BRUSH);
rlm@1:     wc.lpszMenuName = NULL;
rlm@1:     wc.lpszClassName = "VbaColorButton";
rlm@1:     AfxRegisterClass(&wc);
rlm@1:     isRegistered = true;
rlm@1:   }
rlm@1: }