// ColorButton.cpp : implementation file
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//
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// Written by Marius Bancila (mbancila@yahoo.com)
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// Copyright (c) 2004.
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//
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// This code may be used in compiled form in any way you desire. This
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// file may be redistributed unmodified by any means PROVIDING it is
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// not sold for profit without the authors written consent, and
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// providing that this notice and the authors name is included. If
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// the source code in this file is used in any commercial application
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// then acknowledgement must be made to the author of this file
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// (in whatever form you wish).
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//
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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// THE AUTHOR BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
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// WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
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// IN THE SOFTWARE.
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//
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// Please use and enjoy. Please let me know of any bugs/mods/improvements
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// that you have found/implemented and I will fix/incorporate them into this
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// file.
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#include "stdafx.h"
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#include "ColorButton.h"
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#include <afxtempl.h>
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#ifdef _DEBUG
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#define new DEBUG_NEW
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#undef THIS_FILE
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static char THIS_FILE[] = __FILE__;
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#endif
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namespace clr
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{
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const COLORREF CLR_BTN_WHITE = RGB(255, 255, 255);
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const COLORREF CLR_BTN_BLACK = RGB(0, 0, 0);
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const COLORREF CLR_BTN_DGREY = RGB(128, 128, 128);
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const COLORREF CLR_BTN_GREY = RGB(192, 192, 192);
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const COLORREF CLR_BTN_LLGREY = RGB(223, 223, 223);
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}
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/////////////////////////////////////////////////////////////////////////////
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// CColorButton
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CColorButton::CColorButton()
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{
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SetColorToWindowsDefault();
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}
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CColorButton::CColorButton(COLORREF text, COLORREF bkgnd)
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{
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m_TextColor = text;
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m_BkgndColor = bkgnd;
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m_DisabledBkgndColor = GetSysColor(COLOR_BTNFACE);
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m_Light = GetSysColor(COLOR_3DLIGHT);
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m_Highlight = GetSysColor(COLOR_BTNHIGHLIGHT);
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m_Shadow = GetSysColor(COLOR_BTNSHADOW);
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m_DarkShadow = GetSysColor(COLOR_3DDKSHADOW);
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}
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CColorButton::CColorButton(COLORREF text, COLORREF bkgnd, COLORREF disabled)
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{
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m_TextColor = text;
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m_BkgndColor = bkgnd;
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m_DisabledBkgndColor = disabled;
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m_Light = GetSysColor(COLOR_3DLIGHT);
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m_Highlight = GetSysColor(COLOR_BTNHIGHLIGHT);
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m_Shadow = GetSysColor(COLOR_BTNSHADOW);
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m_DarkShadow = GetSysColor(COLOR_3DDKSHADOW);
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}
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CColorButton::CColorButton(COLORREF text, COLORREF bkgnd, COLORREF disabled, COLORREF light, COLORREF highlight, COLORREF shadow, COLORREF darkShadow)
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{
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m_TextColor = text;
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m_BkgndColor = bkgnd;
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m_DisabledBkgndColor = disabled;
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m_Light = light;
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m_Highlight = highlight;
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m_Shadow = shadow;
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m_DarkShadow = darkShadow;
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}
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CColorButton::~CColorButton()
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{
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}
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BEGIN_MESSAGE_MAP(CColorButton, CButton)
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//{{AFX_MSG_MAP(CColorButton)
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ON_WM_CREATE()
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//}}AFX_MSG_MAP
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END_MESSAGE_MAP()
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/////////////////////////////////////////////////////////////////////////////
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// CColorButton message handlers
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void CColorButton::DrawItem(LPDRAWITEMSTRUCT lpDrawItemStruct)
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{
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CDC *pDC;
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CRect rcFocus, rcButton, rcText, rcOffsetText;
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UINT state;
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pDC = CDC::FromHandle(lpDrawItemStruct->hDC);
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state = lpDrawItemStruct->itemState;
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rcFocus.CopyRect(&lpDrawItemStruct->rcItem);
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rcButton.CopyRect(&lpDrawItemStruct->rcItem);
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rcText = rcButton;
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rcText.OffsetRect(-1, -1);
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rcOffsetText = rcText;
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rcOffsetText.OffsetRect(1, 1);
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// Set the focus rectangle to just past the border decoration
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rcFocus.left += 4;
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rcFocus.right -= 4;
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rcFocus.top += 4;
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rcFocus.bottom -= 4;
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// Retrieve the button's caption
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CString strCaption;
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GetWindowText(strCaption);
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if (state & ODS_DISABLED)
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{
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DrawFilledRect(pDC, rcButton, m_DisabledBkgndColor);
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}
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else
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{
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DrawFilledRect(pDC, rcButton, m_BkgndColor);
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}
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if (state & ODS_SELECTED)
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{
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DrawFrame(pDC, rcButton, BUTTON_IN);
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}
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else
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{
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if ((state & ODS_DEFAULT) || (state & ODS_FOCUS))
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{
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DrawFrame(pDC, rcButton, BUTTON_OUT | BUTTON_BLACK_BORDER);
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}
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else
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{
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DrawFrame(pDC, rcButton, BUTTON_OUT);
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}
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}
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if (state & ODS_DISABLED)
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{
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DrawButtonText(pDC, rcOffsetText, strCaption, clr::CLR_BTN_WHITE);
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DrawButtonText(pDC, rcText, strCaption, clr::CLR_BTN_DGREY);
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}
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else
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{
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if (state & ODS_SELECTED)
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{
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DrawButtonText(pDC, rcOffsetText, strCaption, m_TextColor);
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}
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else
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{
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DrawButtonText(pDC, rcText, strCaption, m_TextColor);
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}
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}
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if (state & ODS_FOCUS)
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{
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DrawFocusRect(lpDrawItemStruct->hDC, (LPRECT)&rcFocus);
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}
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}
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void CColorButton::DrawFrame(CDC *pDC, CRect rc, int state)
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{
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COLORREF color;
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if (state & BUTTON_BLACK_BORDER)
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{
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color = clr::CLR_BTN_BLACK;
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DrawLine(pDC, rc.left, rc.top, rc.right, rc.top, color); // Across top
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DrawLine(pDC, rc.left, rc.top, rc.left, rc.bottom, color); // Down left
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DrawLine(pDC, rc.left, rc.bottom - 1, rc.right, rc.bottom - 1, color); // Across bottom
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DrawLine(pDC, rc.right - 1, rc.top, rc.right - 1, rc.bottom, color); // Down right
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rc.InflateRect(-1, -1);
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}
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if (state & BUTTON_OUT)
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{
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color = m_Highlight;
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DrawLine(pDC, rc.left, rc.top, rc.right, rc.top, color); // Across top
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DrawLine(pDC, rc.left, rc.top, rc.left, rc.bottom, color); // Down left
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color = m_DarkShadow;
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DrawLine(pDC, rc.left, rc.bottom - 1, rc.right, rc.bottom - 1, color); // Across bottom
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DrawLine(pDC, rc.right - 1, rc.top, rc.right - 1, rc.bottom, color); // Down right
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rc.InflateRect(-1, -1);
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color = m_Light;
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DrawLine(pDC, rc.left, rc.top, rc.right, rc.top, color); // Across top
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DrawLine(pDC, rc.left, rc.top, rc.left, rc.bottom, color); // Down left
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color = m_Shadow;
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DrawLine(pDC, rc.left, rc.bottom - 1, rc.right, rc.bottom - 1, color); // Across bottom
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DrawLine(pDC, rc.right - 1, rc.top, rc.right - 1, rc.bottom, color); // Down right
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}
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if (state & BUTTON_IN)
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{
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color = m_DarkShadow;
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DrawLine(pDC, rc.left, rc.top, rc.right, rc.top, color); // Across top
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DrawLine(pDC, rc.left, rc.top, rc.left, rc.bottom, color); // Down left
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DrawLine(pDC, rc.left, rc.bottom - 1, rc.right, rc.bottom - 1, color); // Across bottom
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DrawLine(pDC, rc.right - 1, rc.top, rc.right - 1, rc.bottom, color); // Down right
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rc.InflateRect(-1, -1);
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color = m_Shadow;
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DrawLine(pDC, rc.left, rc.top, rc.right, rc.top, color); // Across top
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DrawLine(pDC, rc.left, rc.top, rc.left, rc.bottom, color); // Down left
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DrawLine(pDC, rc.left, rc.bottom - 1, rc.right, rc.bottom - 1, color); // Across bottom
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DrawLine(pDC, rc.right - 1, rc.top, rc.right - 1, rc.bottom, color); // Down right
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}
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}
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void CColorButton::DrawFilledRect(CDC *pDC, CRect rc, COLORREF color)
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{
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CBrush brSolid;
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brSolid.CreateSolidBrush(color);
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pDC->FillRect(rc, &brSolid);
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}
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void CColorButton::DrawLine(CDC *pDC, long sx, long sy, long ex, long ey, COLORREF color)
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{
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CPen newPen;
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CPen *oldPen;
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newPen.CreatePen(PS_SOLID, 1, color);
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oldPen = pDC->SelectObject(&newPen);
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pDC->MoveTo(sx, sy);
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pDC->LineTo(ex, ey);
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pDC->SelectObject(oldPen);
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newPen.DeleteObject();
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}
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void CColorButton::DrawButtonText(CDC *pDC, CRect rc, CString strCaption, COLORREF textcolor)
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{
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DWORD uStyle = GetWindowLong(this->m_hWnd,GWL_STYLE);
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CArray<CString, CString> arLines;
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if((uStyle & BS_MULTILINE) == BS_MULTILINE)
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{
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int nIndex = 0;
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while(nIndex != -1)
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{
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nIndex = strCaption.Find('\n');
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if(nIndex>-1)
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{
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CString line = strCaption.Left(nIndex);
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arLines.Add(line);
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strCaption.Delete(0,nIndex+1);
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}
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else
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arLines.Add(strCaption);
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}
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}
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else
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{
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arLines.Add(strCaption);
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}
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CSize sizeText = pDC->GetOutputTextExtent( strCaption );
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COLORREF oldColour;
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oldColour = pDC->SetTextColor(textcolor);
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pDC->SetBkMode(TRANSPARENT);
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int nStartPos = (rc.Height() - static_cast<int>(arLines.GetSize())*sizeText.cy)/2-1;
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if((uStyle & BS_TOP) == BS_TOP)
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nStartPos = rc.top+2;
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if((uStyle & BS_BOTTOM) == BS_BOTTOM)
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nStartPos = rc.bottom- static_cast<int>(arLines.GetSize())*sizeText.cy-2;
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if((uStyle & BS_VCENTER) == BS_VCENTER)
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nStartPos = (rc.Height() - static_cast<int>(arLines.GetSize())*sizeText.cy)/2-1;
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UINT uDrawStyles = 0;
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if((uStyle & BS_CENTER) == BS_CENTER)
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uDrawStyles |= DT_CENTER;
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else
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{
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if((uStyle & BS_LEFT) == BS_LEFT)
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uDrawStyles |= DT_LEFT;
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else
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if((uStyle & BS_RIGHT) == BS_RIGHT)
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uDrawStyles |= DT_RIGHT;
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else
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if(uDrawStyles == 0)
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uDrawStyles = DT_CENTER|DT_VCENTER | DT_SINGLELINE;
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}
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for(int i=0; i<arLines.GetSize(); i++)
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{
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CRect textrc = rc;
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textrc.DeflateRect(3,0,3,0);
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textrc.top = nStartPos + sizeText.cy*i;
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textrc.bottom = nStartPos + sizeText.cy*(i+1);
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CString line = arLines.GetAt(i);
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pDC->DrawText(line, line.GetLength(), textrc, uDrawStyles);
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}
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pDC->SetTextColor(oldColour);
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}
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void CColorButton::SetColor(COLORREF text, COLORREF bkgnd)
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{
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m_TextColor = text;
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m_BkgndColor = bkgnd;
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if(m_hWnd != NULL)
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Invalidate();
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}
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void CColorButton::SetColor(COLORREF text, COLORREF bkgnd, COLORREF disabled)
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{
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m_TextColor = text;
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m_BkgndColor = bkgnd;
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m_DisabledBkgndColor = disabled;
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if(m_hWnd != NULL)
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Invalidate();
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}
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void CColorButton::SetColor(COLORREF text, COLORREF bkgnd, COLORREF disabled, COLORREF light, COLORREF highlight, COLORREF shadow, COLORREF darkShadow)
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{
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m_TextColor = text;
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m_BkgndColor = bkgnd;
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m_DisabledBkgndColor = disabled;
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m_Light = light;
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m_Highlight = highlight;
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m_Shadow = shadow;
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m_DarkShadow = darkShadow;
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if(m_hWnd != NULL)
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Invalidate();
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}
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void CColorButton::SetColorToWindowsDefault()
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{
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m_TextColor = GetSysColor(COLOR_BTNTEXT);
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m_BkgndColor = GetSysColor(COLOR_BTNFACE);
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m_DisabledBkgndColor = GetSysColor(COLOR_BTNFACE);
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m_Light = GetSysColor(COLOR_3DLIGHT);
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m_Highlight = GetSysColor(COLOR_BTNHIGHLIGHT);
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m_Shadow = GetSysColor(COLOR_BTNSHADOW);
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m_DarkShadow = GetSysColor(COLOR_3DDKSHADOW);
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}
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int CColorButton::OnCreate(LPCREATESTRUCT lpCreateStruct)
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{
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lpCreateStruct->dwExStyle |= BS_OWNERDRAW;
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if (CButton::OnCreate(lpCreateStruct) == -1)
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return -1;
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return 0;
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}
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