// This is a special version of GetClientRect for Aero Glass
// to give us the portion of the window that is not our custom
// non-client glass so we can:
// 1) Exclude it from drawing the background and other stuffs
// 2) Position the browser window in derived classes
BOOL cef_dark_aero_window::GetRealClientRect(LPRECT rect) const
{
GetClientRect(rect);
RECT rectMenu;
ComputeRequiredMenuRect(rectMenu);
RECT rectCaption;
ComputeWindowCaptionRect(rectCaption);
rect->top = rectCaption.bottom + ::RectHeight(rectMenu) + 4;
rect->bottom -= ::kWindowFrameSize;
rect->left += ::kWindowFrameSize;
rect->right -= ::kWindowFrameSize;
if (CanUseAeroGlass() && IsZoomed())
{
// adjust for auto-hide task bar
WORD edges = WindowsTaskBar::GetAutoHideEdges(mWnd);
if (edges & WindowsTaskBar::BOTTOM_EDGE) {
rect->bottom += ::kWindowFrameSize;
}
if (edges & WindowsTaskBar::RIGHT_EDGE) {
rect->right += ::kWindowFrameSize;
}
if (edges & WindowsTaskBar::LEFT_EDGE) {
rect->left -= ::kWindowFrameSize;
}
}
return TRUE;
}
// Computes the Rect where the menu bar is drawn in window coordinates
void cef_dark_window::ComputeMenuBarRect(RECT& rect)
{
RECT rectClient;
RECT rectCaption;
ComputeWindowCaptionRect(rectCaption);
ComputeLogicalClientRect(rectClient);
rect.top = rectCaption.bottom + 1;
rect.bottom = rectClient.top - 1;
rect.left = rectClient.left;
rect.right = rectClient.right;
}
// This is a special version of GetClientRect for Aero Glass
// to give us the portion of the window that is not our custom
// non-client glass so we can:
// 1) Exclude it from drawing the background and other stuffs
// 2) Position the browser window in derived classes
BOOL cef_dark_aero_window::GetRealClientRect(LPRECT rect) const
{
GetClientRect(rect);
RECT rectMenu;
ComputeRequiredMenuRect(rectMenu);
RECT rectCaption;
ComputeWindowCaptionRect(rectCaption);
rect->top = rectCaption.bottom + ::RectHeight(rectMenu) + 4;
rect->bottom -= ::kWindowFrameSize;
rect->left += ::kWindowFrameSize;
rect->right -= ::kWindowFrameSize;
return TRUE;
}
// Computes the Rect where the menu bar is drawn in window coordinates
void cef_dark_aero_window::ComputeMenuBarRect(RECT& rect) const
{
if (CanUseAeroGlass()) {
RECT rectClient;
RECT rectCaption;
ComputeWindowCaptionRect(rectCaption);
GetRealClientRect(&rectClient);
rect.top = rectCaption.bottom + 1;
rect.bottom = rectClient.top - 1;
rect.left = rectClient.left;
rect.right = rectClient.right;
} else {
cef_dark_window::ComputeMenuBarRect(rect);
}
}
// Draw the Caption Bar
void cef_dark_window::DoDrawTitlebarText(HDC hdc)
{
if (mCaptionFont == 0) {
mCaptionFont = ::CreateFontIndirect(&mNcMetrics.lfCaptionFont);
}
RECT textRect;
ComputeWindowCaptionRect(textRect);
HGDIOBJ hPreviousFont = ::SelectObject(hdc, mCaptionFont);
int oldBkMode = ::SetBkMode(hdc, TRANSPARENT);
COLORREF oldRGB = ::SetTextColor(hdc, CEF_COLOR_NORMALTEXT);
// Setup the rect to use to calculate the position
RECT windowRect;
GetWindowRect(&windowRect);
ScreenToNonClient(&windowRect);
// Get the title and the length
int textLength = GetWindowTextLength() + 1;
LPWSTR szCaption = new wchar_t [textLength + 1];
::ZeroMemory(szCaption, textLength + 1);
int cchCaption = GetWindowText(szCaption, textLength);
// Figure out how much space we need to draw ethe whole thing
RECT rectTemp;
::SetRectEmpty(&rectTemp);
::DrawText(hdc, szCaption, ::wcslen(szCaption), &rectTemp, DT_SINGLELINE|DT_CALCRECT|DT_NOPREFIX);
// Can it be centered within the window?
if (((::RectWidth(windowRect) / 2) + (::RectWidth(rectTemp) / 2) + 1) < textRect.right) {
windowRect.bottom = textRect.bottom;
windowRect.top += textRect.top;
::DrawText(hdc, szCaption, cchCaption, &windowRect, DT_CENTER|DT_VCENTER|DT_SINGLELINE|DT_NOPREFIX);
} else {
// Can't be centered so LEFT justify and add ellipsis when truncated
::DrawText(hdc, szCaption, cchCaption, &textRect, DT_LEFT|DT_VCENTER|DT_SINGLELINE|DT_END_ELLIPSIS|DT_NOPREFIX);
}
delete []szCaption;
::SetTextColor(hdc, oldRGB);
::SetBkMode(hdc, oldBkMode);
::SelectObject(hdc, hPreviousFont);
}
// Computes the Rect where the menu bar is drawn in window coordinates
void cef_dark_aero_window::ComputeMenuBarRect(RECT& rect) const
{
if (CanUseAeroGlass()) {
RECT rectClient;
RECT rectCaption;
GetRealClientRect(&rectClient);
if (IsZoomed()) {
ComputeWindowCaptionRect(rectCaption);
rect.top = rectCaption.bottom;
} else {
rect.top = ::GetSystemMetrics(SM_CYFRAME) + mNcMetrics.iCaptionHeight + 1;
}
rect.bottom = rectClient.top - 1;
rect.left = rectClient.left;
rect.right = rectClient.right;
} else {
cef_dark_window::ComputeMenuBarRect(rect);
}
}
// WM_NCHITTEST handler
int cef_dark_aero_window::HandleNcHitTest(LPPOINT ptHit)
{
RECT rectWindow;
GetWindowRect(&rectWindow);
if (!::PtInRect(&rectWindow, *ptHit))
return HTNOWHERE;
RECT rectCaption;
ComputeWindowCaptionRect(rectCaption);
ClientToScreen(&rectCaption);
if (::PtInRect(&rectCaption, *ptHit))
return HTCAPTION;
RECT rectCloseButton;
ComputeCloseButtonRect(rectCloseButton);
ClientToScreen(&rectCloseButton);
if (::PtInRect(&rectCloseButton, *ptHit))
return HTCLOSE;
RECT rectMaximizeButton;
ComputeMaximizeButtonRect(rectMaximizeButton);
ClientToScreen(&rectMaximizeButton);
if (::PtInRect(&rectMaximizeButton, *ptHit))
return HTMAXBUTTON;
RECT rectMinimizeButton;
ComputeMinimizeButtonRect(rectMinimizeButton);
ClientToScreen(&rectMinimizeButton);
if (::PtInRect(&rectMinimizeButton, *ptHit))
return HTMINBUTTON;
RECT rectSysIcon;
ComputeWindowIconRect(rectSysIcon);
ClientToScreen(&rectSysIcon);
if (::PtInRect(&rectSysIcon, *ptHit))
return HTSYSMENU;
if (!IsZoomed()) {
// Left Border
if (ptHit->x >= rectWindow.left && ptHit->x <= rectWindow.left + ::kWindowFrameSize)
{
// it's important that we know if the mouse is on a corner so that
// the right mouse cursor is displayed
if (ptHit->y <= rectWindow.top + ::kWindowFrameSize)
return HTTOPLEFT;
if (ptHit->y >= rectWindow.bottom - ::kWindowFrameSize)
return HTBOTTOMLEFT;
return HTLEFT;
}
// Right Border
if (ptHit->x <= rectWindow.right && ptHit->x >= rectWindow.right - ::kWindowFrameSize)
{
// it's important that we know if the mouse is on a corner so that
// the right mouse cursor is displayed
if (ptHit->y <= rectWindow.top + ::kWindowFrameSize)
return HTTOPRIGHT;
if (ptHit->y >= rectWindow.bottom - ::kWindowFrameSize)
return HTBOTTOMRIGHT;
return HTRIGHT;
}
// Top and Bottom Borders
if (ptHit->y <= rectWindow.top + ::kWindowFrameSize)
return HTTOP;
if (ptHit->y >= rectWindow.bottom - ::kWindowFrameSize)
return HTBOTTOM;
}
RECT rectMenu;
ComputeRequiredMenuRect(rectMenu);
ClientToScreen(&rectMenu);
if (::PtInRect(&rectMenu, *ptHit))
return HTMENU;
// If it's in the menu bar but not actually
// on a menu item, then return caption so
// the window can be dragged from the dead space
ComputeMenuBarRect(rectMenu);
ClientToScreen(&rectMenu);
if (::PtInRect(&rectMenu, *ptHit))
return HTCAPTION;
// Aero requires that we return HTNOWHERE
return HTNOWHERE;
}
// WM_NCHITTEST handler
int cef_dark_window::HandleNcHitTest(LPPOINT ptHit)
{
RECT rectWindow;
GetWindowRect(&rectWindow);
if (!::PtInRect(&rectWindow, *ptHit))
return HTNOWHERE;
RECT rectClient;
GetClientRect(&rectClient);
ClientToScreen(&rectClient);
if (::PtInRect(&rectClient, *ptHit))
return HTCLIENT;
RECT rectCaption;
ComputeWindowCaptionRect(rectCaption);
NonClientToScreen(&rectCaption);
if (::PtInRect(&rectCaption, *ptHit))
return HTCAPTION;
RECT rectCloseButton;
ComputeCloseButtonRect(rectCloseButton);
NonClientToScreen(&rectCloseButton);
if (::PtInRect(&rectCloseButton, *ptHit))
return HTCLOSE;
RECT rectMaximizeButton;
ComputeMaximizeButtonRect(rectMaximizeButton);
NonClientToScreen(&rectMaximizeButton);
if (::PtInRect(&rectMaximizeButton, *ptHit))
return HTMAXBUTTON;
RECT rectMinimizeButton;
ComputeMinimizeButtonRect(rectMinimizeButton);
NonClientToScreen(&rectMinimizeButton);
if (::PtInRect(&rectMinimizeButton, *ptHit))
return HTMINBUTTON;
RECT rectSysIcon;
ComputeWindowIconRect(rectSysIcon);
NonClientToScreen(&rectSysIcon);
if (::PtInRect(&rectSysIcon, *ptHit))
return HTSYSMENU;
// Left Border
if (ptHit->x >= rectWindow.left && ptHit->x <= rectWindow.left + ::GetSystemMetrics (SM_CYFRAME))
{
// it's important that we know if the mouse is on a corner so that
// the right mouse cursor is displayed
if (ptHit->y <= rectWindow.top + ::GetSystemMetrics (SM_CYFRAME))
return HTTOPLEFT;
if (ptHit->y >= rectWindow.bottom - ::GetSystemMetrics (SM_CYFRAME))
return HTBOTTOMLEFT;
return HTLEFT;
}
// Right Border
if (ptHit->x <= rectWindow.right && ptHit->x >= rectWindow.right - ::GetSystemMetrics (SM_CYFRAME))
{
// it's important that we know if the mouse is on a corner so that
// the right mouse cursor is displayed
if (ptHit->y <= rectWindow.top + ::GetSystemMetrics (SM_CYFRAME))
return HTTOPRIGHT;
if (ptHit->y >= rectWindow.bottom - ::GetSystemMetrics (SM_CYFRAME))
return HTBOTTOMRIGHT;
return HTRIGHT;
}
// Top and Bottom Borders
if (ptHit->y <= rectWindow.top + ::GetSystemMetrics (SM_CYFRAME))
return HTTOP;
if (ptHit->y >= rectWindow.bottom - ::GetSystemMetrics (SM_CYFRAME))
return HTBOTTOM;
// If it's not in the menu, it's in the caption
RECT rectMenu;
ComputeRequiredMenuRect(rectMenu);
NonClientToScreen(&rectMenu);
if (::PtInRect(&rectMenu, *ptHit))
return HTMENU;
return HTCAPTION;
}
