QPointF
ImageView::rightPageCenter() const
{
QRectF left_rect(m_virtLayout.leftPageOutline().boundingRect());
QRectF right_rect(m_virtLayout.rightPageOutline().boundingRect());
double const x_mid = 0.5 * (left_rect.right() + right_rect.left());
left_rect.setRight(x_mid);
right_rect.setLeft(x_mid);
return virtualToWidget().map(right_rect.center());
}
bool ShellBrowserChild::WndProc(UINT nmsg, WPARAM wparam, LPARAM lparam, LRESULT& res)
{
switch(nmsg) {
case WM_GETISHELLBROWSER: // for Registry Explorer Plugin
res = (LRESULT)static_cast<IShellBrowser*>(this);
return true;
// SDI integration:
case WM_PAINT: {
PaintCanvas canvas(_hwnd);
ClientRect rt(_hwnd);
rt.left = _split_pos-SPLIT_WIDTH/2;
rt.right = _split_pos+SPLIT_WIDTH/2+1;
if (_right_hwnd) {
WindowRect right_rect(_right_hwnd);
ScreenToClient(_hwnd, &right_rect);
rt.top = right_rect.top;
rt.bottom = right_rect.bottom;
}
HBRUSH lastBrush = SelectBrush(canvas, GetStockBrush(COLOR_SPLITBAR));
Rectangle(canvas, rt.left, rt.top-1, rt.right, rt.bottom+1);
SelectObject(canvas, lastBrush);
break;}
case WM_SETCURSOR:
if (LOWORD(lparam) == HTCLIENT) {
POINT pt;
GetCursorPos(&pt);
ScreenToClient(_hwnd, &pt);
if (pt.x>=_split_pos-SPLIT_WIDTH/2 && pt.x<_split_pos+SPLIT_WIDTH/2+1) {
SetCursor(LoadCursor(0, IDC_SIZEWE));
res = TRUE;
return true;
}
}
goto def;
case WM_LBUTTONDOWN: {
int x = GET_X_LPARAM(lparam);
ClientRect rt(_hwnd);
if (x>=_split_pos-SPLIT_WIDTH/2 && x<_split_pos+SPLIT_WIDTH/2+1) {
_last_split = _split_pos;
SetCapture(_hwnd);
}
break;}
case WM_LBUTTONUP:
if (GetCapture() == _hwnd)
ReleaseCapture();
break;
case WM_KEYDOWN:
if (wparam == VK_ESCAPE)
if (GetCapture() == _hwnd) {
_split_pos = _last_split;
resize_children();
_last_split = -1;
ReleaseCapture();
SetCursor(LoadCursor(0, IDC_ARROW));
}
break;
case WM_MOUSEMOVE:
if (GetCapture() == _hwnd) {
int x = LOWORD(lparam);
ClientRect rt(_hwnd);
if (x>=0 && x<rt.right) {
_split_pos = x;
resize_children();
rt.left = x-SPLIT_WIDTH/2;
rt.right = x+SPLIT_WIDTH/2+1;
InvalidateRect(_hwnd, &rt, FALSE);
UpdateWindow(_left_hwnd);
UpdateWindow(_hwnd);
UpdateWindow(_right_hwnd);
}
}
break;
default: def:
return false;
}
res = 0;
return true;
}
