Duilib Button属性和HorizontalLayoutUI的扩展
2015-09-13 11:00
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关于HorizontalLayoutUI属性的扩展
[code] duilib中的控件最基本的属性扩展，实质上是添加windows消息的处理，Duilib的源代码中没有对水平布局控件HorizontalLayoutUI做鼠标hot事件的处理。 现在如果要求鼠标进入到HorizontalLayoutUI这个容器控件内，HorizontalLayoutUI容器自绘边框，就得加上鼠标enter和leave控件的消息处理了。 这个属性用得比较少，而且只是做了自绘边框的处理，如果直接在源码的基础上修改，假使哪一天又要求hot事件处理其他事情，就又得修改代码了。 所以这里直接派生了一个HorizontalLayoutUI的子类并扩充这个属性
[code]class CContainerOwnerDrawingBoardUi : public CHorizontalLayoutUI
{
private:
bool m_bMouseInContainer;
public:
CContainerOwnerDrawingBoardUi();
//事件管理
void DoEvent(TEventUI& event);
//绘制边框
void PaintBorder(HDC hDC);
};
void CContainerOwnerDrawingBoardUi::DoEvent(TEventUI& event)
{
CHorizontalLayoutUI::DoEvent(event);
if (m_iSepWidth == 0) {
//鼠标进入控件
if (event.Type == UIEVENT_MOUSEENTER)
{
m_bMouseInContainer = true;
Invalidate();
}
//鼠标离开控件
if (event.Type == UIEVENT_MOUSELE***E)
{
m_bMouseInContainer = false;
Invalidate();
}
}
}
CContainerOwnerDrawingBoardUi::CContainerOwnerDrawingBoardUi()
:m_bMouseInContainer = false
{
}
void CContainerOwnerDrawingBoardUi::DoEvent(TEventUI& event)
{
CHorizontalLayoutUI::DoEvent(event);
if (m_iSepWidth == 0) {
if (event.Type == UIEVENT_MOUSEENTER)
{
m_bMouseInContainer = true;
Invalidate();
}
if (event.Type == UIEVENT_MOUSELE***E)
{
m_bMouseInContainer = false;
Invalidate();
}
}
}
void CContainerOwnerDrawingBoardUi::PaintBorder(HDC hDC)
{
if (m_bMouseInContainer)
{
CRenderEngine::DrawRoundRect(hDC, m_rcItem, 1,7,7,0xFFFF9900);
/*
使用GDI+绘制 这处是使用GDI+绘制容器控件圆角，因为GDI+抗锯齿,但是GDI+的坐标计算存在着一些误差，所以效果不理想此处忽略
Gdiplus::Graphics graphics(hDC);
Gdiplus::Pen pen(0xFFFF9900, 2);
graphics.SetSmoothingMode(Gdiplus::SmoothingModeHighQuality);//抗锯齿
graphics.DrawLine(&pen, m_rcItem.left, m_rcItem.top + OFFSET_Y, m_rcItem.left, m_rcItem.bottom - OFFSET_Y);
graphics.DrawLine(&pen, m_rcItem.left + OFFSET_X, m_rcItem.top, m_rcItem.right - OFFSET_X , m_rcItem.top);
graphics.DrawLine(&pen, m_rcItem.right, m_rcItem.top + OFFSET_Y, m_rcItem.right, m_rcItem.bottom - OFFSET_Y);
graphics.DrawLine(&pen, m_rcItem.left + OFFSET_X, m_rcItem.bottom, m_rcItem.right - OFFSET_X, m_rcItem.bottom);
graphics.DrawArc(&pen, m_rcItem.left, m_rcItem.top, 2*OFFSET_X, 2*OFFSET_Y, 180, 90);
graphics.DrawArc(&pen, m_rcItem.right - 2*OFFSET_X, m_rcItem.top, 2 * OFFSET_X, 2 * OFFSET_Y, 270, 90);
graphics.DrawArc(&pen, m_rcItem.left, m_rcItem.bottom - 2*OFFSET_Y, 2 * OFFSET_X, 2 * OFFSET_Y, 90, 90);
graphics.DrawArc(&pen, m_rcItem.left - 2*OFFSET_X, m_rcItem.bottom - 2*OFFSET_Y, 2 * OFFSET_X, 2 * OFFSET_Y, 0, 90);
*/
}
//绘制边框
if (!m_bMouseInContainer)
{
CRenderEngine::DrawRoundRect(hDC, m_rcItem, 1,7,7, 0xFFCECECE);
}
}
整个流程实质上很简单Created with Raphaël 2.1.0duilib响应windows鼠标进出控件事件，由控件的Doevent接管处理事件，Invalidate()产生重绘事件Duilib执行PaintBorder决定怎样绘制边框Duilib界面发生重绘
Button属性的扩展，主要加上了响应鼠标悬浮，点击，绘制board以及bkcolor属性，直接在Duilib的源代码中进行了修改
[code]//在button.h中添加几个属性 和 方法
DWORD m_dwHotBorderColor;
DWORD m_dwPushedBorderColor;
DWORD m_dwNormalBkColor;
DWORD m_dwPushedBkColor;
void SetHotBorderColor(DWORD dwColor);
DWORD GetHotBroderColor()const;
void SetPushedBorderColor(DWORD dwColor);
DWORD GetPushedBorderColor()const;
//在SetAttribute(LPCTSTR pstrName, LPCTSTR pstrValue)方法中为这添加的几个属性赋值
if (_tcscmp(pstrName, _T("normalBkColor")) == 0)
{
if (*pstrValue == _T('#')) pstrValue = ::CharNext(pstrValue);
LPTSTR pstr = NULL;
DWORD clrColor = _tcstoul(pstrValue, &pstr, 16);
SetNormalBkColor(clrColor);
}
else if (_tcscmp(pstrName, _T("pushedBkColor")) == 0)
{
if (*pstrValue == _T('#')) pstrValue = ::CharNext(pstrValue);
LPTSTR pstr = NULL;
DWORD clrColor = _tcstoul(pstrValue, &pstr, 16);
SetPushedBkColor(clrColor);
}
if (_tcscmp(pstrName, _T("hotBorderColor")) == 0)
{
if (*pstrValue == _T('#')) pstrValue = ::CharNext(pstrValue);
LPTSTR pstr = NULL;
DWORD clrColor = _tcstoul(pstrValue, &pstr, 16);
SetHotBorderColor(clrColor);
}
else if (_tcscmp(pstrName, _T("pushedBorderColor")) == 0)
{
if (*pstrValue == _T('#')) pstrValue = ::CharNext(pstrValue);
LPTSTR pstr = NULL;
DWORD clrColor = _tcstoul(pstrValue, &pstr, 16);
SetPushedBorderColor(clrColor);
}
//在绘制函数里面对事件进行处理
//在添加属性时主要不要破坏了duilib自身原有的属性，比如控件的endbled属性
//绘制边框
void CButtonUI::PaintBorder(HDC hDC)
{
CControlUI::PaintBorder(hDC);
DWORD clrColor;
if (!IsEnabled())
{
clrColor = m_dwDisabledBorderColor;
CRenderEngine::DrawRoundRect(hDC, m_rcItem, m_nBorderSize, m_cxyBorderRound.cx, m_cxyBorderRound.cy, GetAdjustColor(clrColor));
return;
}
if (m_nBorderSize > 0 && (m_cxyBorderRound.cx > 0 || m_cxyBorderRound.cy > 0))//画圆角边框
{
if (((m_uButtonState & UISTATE_HOT) != 0) && (GetHotBroderColor() != 0))
{
clrColor = GetHotBroderColor();
CRenderEngine::DrawRoundRect(hDC, m_rcItem, m_nBorderSize, m_cxyBorderRound.cx, m_cxyBorderRound.cy, GetAdjustColor(clrColor));
}
if (((m_uButtonState & UISTATE_PUSHED) != 0) && (GetPushedBorderColor() != 0))
{
clrColor = GetPushedBorderColor();
CRenderEngine::DrawRoundRect(hDC, m_rcItem, m_nBorderSize, m_cxyBorderRound.cx, m_cxyBorderRound.cy, GetAdjustColor(clrColor));
}
}
else
{
if (m_rcBorderSize.left > 0 || m_rcBorderSize.top > 0 || m_rcBorderSize.right > 0 || m_rcBorderSize.bottom > 0)
{
if (((m_uButtonState & UISTATE_HOT) != 0) && (GetHotBroderColor() != 0))
{
clrColor = GetHotBroderColor();
}
if (((m_uButtonState & UISTATE_PUSHED) != 0) && (GetPushedBorderColor() != 0))
{
clrColor = GetPushedBorderColor();
}
RECT rcBorder;
if (m_rcBorderSize.left > 0) {
rcBorder = m_rcItem;
rcBorder.right = m_rcItem.left;
CRenderEngine::DrawLine(hDC, rcBorder, m_rcBorderSize.left, GetAdjustColor(clrColor), m_nBorderStyle);
}
if (m_rcBorderSize.top > 0) {
rcBorder = m_rcItem;
rcBorder.bottom = m_rcItem.top;
CRenderEngine::DrawLine(hDC, rcBorder, m_rcBorderSize.top, GetAdjustColor(clrColor), m_nBorderStyle);
}
if (m_rcBorderSize.right > 0) {
rcBorder = m_rcItem;
rcBorder.left = m_rcItem.right;
CRenderEngine::DrawLine(hDC, rcBorder, m_rcBorderSize.right, GetAdjustColor(clrColor), m_nBorderStyle);
}
if (m_rcBorderSize.bottom > 0) {
rcBorder = m_rcItem;
rcBorder.top = m_rcItem.bottom;
CRenderEngine::DrawLine(hDC, rcBorder, m_rcBorderSize.bottom, GetAdjustColor(clrColor), m_nBorderStyle);
}
}
else if (m_nBorderSize > 0)
{
if (((m_uButtonState & UISTATE_HOT) != 0) && (GetHotBroderColor() != 0))
{
clrColor = GetHotBroderColor();
CRenderEngine::DrawRect(hDC, m_rcItem, m_nBorderSize, GetAdjustColor(clrColor));
}
if (((m_uButtonState & UISTATE_PUSHED) != 0) && (GetPushedBorderColor() != 0))
{
clrColor = GetPushedBorderColor();
CRenderEngine::DrawRect(hDC, m_rcItem, m_nBorderSize, GetAdjustColor(clrColor));
}
}
}
}
//绘制背景
void CButtonUI::PaintStatusImage(HDC hDC)
{
if( IsFocused() ) m_uButtonState |= UISTATE_FOCUSED;
else m_uButtonState &= ~ UISTATE_FOCUSED;
if( !IsEnabled() ) m_uButtonState |= UISTATE_DISABLED;
else m_uButtonState &= ~ UISTATE_DISABLED;
if( (m_uButtonState & UISTATE_DISABLED) != 0 ) {
if( !m_sDisabledImage.IsEmpty() )
{
if( !DrawImage(hDC, (LPCTSTR)m_sDisabledImage) ) m_sDisabledImage.Empty();
else goto Label_ForeImage;
}
}
else if( (m_uButtonState & UISTATE_PUSHED) != 0 ) {
if( !m_sPushedImage.IsEmpty() ) {
if( !DrawImage(hDC, (LPCTSTR)m_sPushedImage) ){
m_sPushedImage.Empty();
}
if( !m_sPushedForeImage.IsEmpty() )
{
if( !DrawImage(hDC, (LPCTSTR)m_sPushedForeImage) )
m_sPushedForeImage.Empty();
return;
}
else goto Label_ForeImage;
}
/////////////////////////////////////////////////////////
//2015.9.6
else if (m_dwPushedBkColor != 0) {
CRenderEngine::DrawColor(hDC, m_rcPaint, GetAdjustColor(m_dwPushedBkColor));
return;
}
///////////////////////////////////////////////////////////////////////////////////
}
else if( (m_uButtonState & UISTATE_HOT) != 0 ) {
if( !m_sHotImage.IsEmpty() ) {
if( !DrawImage(hDC, (LPCTSTR)m_sHotImage) ){
m_sHotImage.Empty();
}
if( !m_sHotForeImage.IsEmpty() ) {
if( !DrawImage(hDC, (LPCTSTR)m_sHotForeImage) )
m_sHotForeImage.Empty();
return;
}
else goto Label_ForeImage;
}
else if(m_dwHotBkColor != 0) {
CRenderEngine::DrawColor(hDC, m_rcPaint, GetAdjustColor(m_dwHotBkColor));
return;
}
}
else if( (m_uButtonState & UISTATE_FOCUSED) != 0 ) {
if( !m_sFocusedImage.IsEmpty() ) {
if( !DrawImage(hDC, (LPCTSTR)m_sFocusedImage) ) m_sFocusedImage.Empty();
else goto Label_ForeImage;
}
}
if( !m_sNormalImage.IsEmpty() ) {
if( !DrawImage(hDC, (LPCTSTR)m_sNormalImage) ) m_sNormalImage.Empty();
else goto Label_ForeImage;
}
//////////////////////////////////////////////////////////////////////////
//////2015.9.6
else if(m_dwNormalBkColor != 0) {
CRenderEngine::DrawColor(hDC, m_rcPaint, GetAdjustColor(m_dwNormalBkColor));
}
//////////////////////////////////////////////////////////////////////////
if(!m_sForeImage.IsEmpty() )
goto Label_ForeImage;
return;
Label_ForeImage:
if(!m_sForeImage.IsEmpty() ) {
if( !DrawImage(hDC, (LPCTSTR)m_sForeImage) ) m_sForeImage.Empty();
}
}
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