QButton
25381 ワード
Button.h
Button.cpp
#pragma once
// QButton
class QButton : public CButton
{
DECLARE_DYNAMIC(QButton)
// Construction
public:
QButton();
//Attributes
protected:
//The outside border of the button
CPen m_penBoundry;
//When the mouse pointer above button button inside the frame
CPen m_penInsideBoundryLeft;
CPen m_penInsideBoundryRight;
CPen m_penInsideBoundryTop;
CPen m_penInsideBoundryBottom;
//Button gains focus when the button on the borders
CPen m_penInsideBoundryLeftSel;
CPen m_penInsideBoundryRightSel;
CPen m_penInsideBoundryTopSel;
CPen m_penInsideBoundryBottomSel;
//Button's background, including two kinds of valid and invalid
CBrush m_brFillActive;
CBrush m_brFillInactive;
//Button status
BOOL m_bOver; //This value to true when the mouse in the button above, instead of flase
BOOL m_bTracking;//In the mouse press not to release the value to true
BOOL m_bSelected;//Button is pressed the value is true
BOOL m_bFocus;//Button for the current focus when the value is true
CFont m_font;
//Overridables
public:
virtual void PreSubclassWindow();
virtual void DrawItem(LPDRAWITEMSTRUCT lpDrawItemStruct);
virtual ~QButton();
// Implementation
protected:
virtual void DoGradientFill(CDC *pDC, CRect* rect);
virtual void DrawInsideBorder(CDC *pDC, CRect* rect);
// Generated message map functions
protected:
afx_msg void OnMouseMove(UINT nFlags, CPoint point);
afx_msg LRESULT OnMouseLeave(WPARAM wParam, LPARAM lParam);
afx_msg LRESULT OnMouseHover(WPARAM wParam, LPARAM lParam);
DECLARE_MESSAGE_MAP()
};Button.cpp
// Button.cpp
//
#include "stdafx.h"
#include "Button.h"
// QButton
IMPLEMENT_DYNAMIC(QButton, CButton)
QButton::QButton()
{
//The outside border of the button
m_penBoundry.CreatePen(PS_INSIDEFRAME | PS_SOLID, 1, RGB(165,166,168));
//When the mouse pointer above button button inside the frame
m_penInsideBoundryLeft.CreatePen(PS_INSIDEFRAME | PS_SOLID, 3, RGB(250, 196, 88));
m_penInsideBoundryRight.CreatePen(PS_INSIDEFRAME | PS_SOLID, 3, RGB(251, 202, 106));
m_penInsideBoundryTop.CreatePen(PS_INSIDEFRAME | PS_SOLID, 2, RGB(252, 210, 121));
m_penInsideBoundryBottom.CreatePen(PS_INSIDEFRAME | PS_SOLID, 2, RGB(229, 151, 0));
//Button gains focus when the button on the borders
m_penInsideBoundryLeftSel.CreatePen(PS_INSIDEFRAME | PS_SOLID, 3, RGB(153, 198, 252));
m_penInsideBoundryRightSel.CreatePen(PS_INSIDEFRAME | PS_SOLID, 2, RGB(162, 201, 255));
m_penInsideBoundryTopSel.CreatePen(PS_INSIDEFRAME | PS_SOLID, 3, RGB(162, 189, 252));
m_penInsideBoundryBottomSel.CreatePen(PS_INSIDEFRAME | PS_SOLID, 2, RGB(162, 201, 255));
//Button's background, including two kinds of valid and invalid
m_brFillActive.CreateSolidBrush(RGB(223, 222, 236));
m_brFillInactive.CreateSolidBrush(RGB(222, 223, 236));
//Button status
m_bOver = m_bSelected = m_bTracking = m_bFocus = FALSE;
m_font.CreateFont(
15, // nHeight
0, // nWidth
0, // nEscapement
0, // nOrientation
FW_MEDIUM, // nWeight
FALSE, // bItalic
FALSE, // bUnderline
0, // cStrikeOut
ANSI_CHARSET, // nCharSet
OUT_DEFAULT_PRECIS, // nOutPrecision
CLIP_DEFAULT_PRECIS, // nClipPrecision
DEFAULT_QUALITY, // nQuality
DEFAULT_PITCH | FF_SWISS, // nPitchAndFamily
_T("Arial")); // lpszFacename
}
QButton::~QButton()
{
m_penBoundry.DeleteObject();
m_penInsideBoundryLeft.DeleteObject();
m_penInsideBoundryRight.DeleteObject();
m_penInsideBoundryTop.DeleteObject();
m_penInsideBoundryBottom.DeleteObject();
m_penInsideBoundryLeftSel.DeleteObject();
m_penInsideBoundryRightSel.DeleteObject();
m_penInsideBoundryTopSel.DeleteObject();
m_penInsideBoundryBottomSel.DeleteObject();
m_brFillActive.DeleteObject();
m_brFillInactive.DeleteObject();
m_font.DeleteObject();
}
BEGIN_MESSAGE_MAP(QButton, CButton)
ON_WM_MOUSEMOVE()
ON_MESSAGE(WM_MOUSELEAVE, OnMouseLeave)
ON_MESSAGE(WM_MOUSEHOVER, OnMouseHover)
END_MESSAGE_MAP()
void QButton::OnMouseMove(UINT nFlags, CPoint point)
{
if(!m_bTracking)
{
TRACKMOUSEEVENT tme;
tme.cbSize = sizeof(tme);
tme.hwndTrack = m_hWnd;
tme.dwFlags = TME_LEAVE | TME_HOVER;
tme.dwHoverTime = 1;
m_bTracking = ::_TrackMouseEvent(&tme);
}
CButton::OnMouseMove(nFlags, point);
}
LRESULT QButton::OnMouseLeave(WPARAM wParam, LPARAM lParam)
{
m_bOver = FALSE;
m_bTracking = FALSE;
InvalidateRect(NULL, FALSE); //parm2:FALSE Heavy paintings don't erase the background
//InvalidateRect to call DrawItem
return 0;
}
LRESULT QButton::OnMouseHover(WPARAM wParam, LPARAM lParam)
{
m_bOver = TRUE;
InvalidateRect(NULL); //parm2:TRUE Again when will erase the background.
return 0;
}
//Add the Owner Draw properties
void QButton::PreSubclassWindow()
{
CButton::PreSubclassWindow();
ModifyStyle(0, BS_OWNERDRAW);
}
void QButton::DrawItem(LPDRAWITEMSTRUCT lpDrawItemStruct)
{
//Information obtained from lpDrawItemStruct controls
CRect rect = lpDrawItemStruct->rcItem;
CDC *pDC = CDC::FromHandle(lpDrawItemStruct->hDC);
int nSaveDC = pDC->SaveDC();
UINT state = lpDrawItemStruct->itemState;
POINT pt ;
TCHAR strText[MAX_PATH + 1];
::GetWindowText(m_hWnd, strText, MAX_PATH);
//The outside border of the draw button, it is a radius of 5 of the rounded rectangle
pt.x = 8;
pt.y = 8;
CPen* hOldPen = pDC->SelectObject(&m_penBoundry);
pDC->RoundRect(&rect, pt);
//Access to state of the button
if (state & ODS_FOCUS)
{
m_bFocus = TRUE;
m_bSelected = TRUE;
}
else
{
m_bFocus = FALSE;
m_bSelected = FALSE;
}
if (state & ODS_SELECTED || state & ODS_DEFAULT)
{
m_bFocus = TRUE;
}
pDC->SelectObject(hOldPen);
rect.DeflateRect(CSize(GetSystemMetrics(SM_CXEDGE), GetSystemMetrics(SM_CYEDGE)));
//According to the status of button fill color button
CBrush* pOldBrush;
if (m_bOver)
{
pOldBrush = pDC->SelectObject(&m_brFillActive);
DoGradientFill(pDC, &rect);
}
else
{
pOldBrush = pDC->SelectObject(&m_brFillInactive);
DoGradientFill(pDC, &rect);
}
//According to the button state to plot borders
if (m_bOver || m_bSelected)
DrawInsideBorder(pDC, &rect);
pDC->SelectObject(pOldBrush);
//Displays the text button
if (strText!=NULL)
{
//CFont* hFont = GetFont();
CFont* hOldFont = pDC->SelectObject(&m_font);
CSize szExtent = pDC->GetTextExtent(strText, lstrlen(strText));
CPoint pt( rect.CenterPoint().x - szExtent.cx / 2, rect.CenterPoint().y - szExtent.cy / 2);
if (state & ODS_SELECTED)
pt.Offset(1, 1);
int nMode = pDC->SetBkMode(TRANSPARENT);
if (state & ODS_DISABLED)
pDC->DrawState(pt, szExtent, strText, DSS_DISABLED, TRUE, 0, (HBRUSH)NULL);
else
pDC->DrawState(pt, szExtent, strText, DSS_NORMAL, TRUE, 0, (HBRUSH)NULL);
pDC->SelectObject(hOldFont);
pDC->SetBkMode(nMode);
}
pDC->RestoreDC(nSaveDC);
}
//The color of button
void QButton::DoGradientFill(CDC *pDC, CRect* rect)
{
#define QBUTTON_WIDTH 64
CBrush brBk[QBUTTON_WIDTH];
int nWidth = rect->Width();
int nHeight = rect->Height();
CRect rct;
int i;
for(i = 0; i < QBUTTON_WIDTH; i++)
{
if(m_bOver)
{
if(m_bFocus)
brBk[i].CreateSolidBrush(RGB(255 - (i / 4), 255 - (i / 4), 255 - (i / 3)));
else
brBk[i].CreateSolidBrush(RGB(255 - (i / 4), 255 - (i / 4), 255 - (i / 5)));
}
else
{
if(m_bFocus)
brBk[i].CreateSolidBrush(RGB(255 - (i / 3), 255 - (i / 3), 255 - (i / 4)));
else
brBk[i].CreateSolidBrush(RGB(255 - (i / 3), 255 - (i / 3), 255 - (i / 5)));
}
}
for(i = rect->top; i <= nHeight + 2; i++)
{
rct.SetRect(rect->left, i, nWidth + 2, i + 1);
pDC->FillRect(&rct, &brBk[((i * 63) / nHeight)]);
}
for(i = 0; i < QBUTTON_WIDTH; i++)
brBk[i].DeleteObject();
}
//Within the draw button on the borders
void QButton::DrawInsideBorder(CDC *pDC, CRect* rect)
{
CPen *pLeft, *pRight, *pTop, *pBottom;
if(m_bSelected && !m_bOver)
{
pLeft = &m_penInsideBoundryLeftSel;
pRight = &m_penInsideBoundryRightSel;
pTop = &m_penInsideBoundryTopSel;
pBottom = &m_penInsideBoundryBottomSel;
}
else
{
pLeft = &m_penInsideBoundryLeft;
pRight = &m_penInsideBoundryRight;
pTop = &m_penInsideBoundryTop;
pBottom = &m_penInsideBoundryBottom;
}
CPoint oldPoint = pDC->MoveTo(rect->left, rect->bottom - 1);
CPen *pOldPen = pDC->SelectObject(pLeft);
pDC->LineTo(rect->left, rect->top + 1);
pDC->SelectObject(pRight);
pDC->MoveTo(rect->right - 1, rect->bottom - 1);
pDC->LineTo(rect->right - 1, rect->top);
pDC->SelectObject(pTop);
pDC->MoveTo(rect->left - 1, rect->top);
pDC->LineTo(rect->right - 1, rect->top);
pDC->SelectObject(pBottom);
pDC->MoveTo(rect->left, rect->bottom);
pDC->LineTo(rect->right - 1, rect->bottom);
pDC->SelectObject(pOldPen);
pDC->MoveTo(oldPoint);
if(m_bSelected && !m_bOver)
::DrawFocusRect(pDC->m_hDC, rect);
}