//
/// Post a OWL-defined message regarding an event [identified by the 'id'
/// parameter] related to the specified document ('doc').
//
/// If the current document changes, posts a WM_OWLDOCUMENT message to indicate a
/// change in the status of the document.
//
void
TDocManager::PostEvent(int id, TDocument& doc)
{
TWindow* win = GetApplication()->GetMainWindow();
if (win && win->GetHandle())
win->SendMessage(WM_OWLDOCUMENT, id, TParam2(&doc));
}
//
/// Post a OWL-defined message regarding an event [identified by the 'id'
/// parameter] related to the specified view ('view').
//
/// If the current view changes, posts a WM_OWLVIEW message to indicate a change in
/// the status of the view.
//
void
TDocManager::PostEvent(int id, TView& view)
{
TWindow* win = GetApplication()->GetMainWindow();
if (win && win->GetHandle())
win->SendMessage(WM_OWLVIEW, id, TParam2(&view));
}
//
/// Give the decorations an opportunity to do pre-processing. Don't bother
/// checking the client window since it is typically in the focus chain and
/// will be given an opportunity to do pre-processing
//
bool
TDecoratedFrame::PreProcessMsg(MSG& msg)
{
TWindow* firstChild = GetFirstChild();
if (firstChild) {
TWindow* child = firstChild;
do {
if (child != ClientWnd && child->GetHandle() &&
(child->GetWindowLong(GWL_STYLE) & WS_VISIBLE) &&
child->PreProcessMsg(msg))
return true;
child = child->Next();
} while (child != firstChild);
}
return TFrameWindow::PreProcessMsg(msg);
}
//
/// Causes the window to resize and position its children according to the specified
/// metrics. You can call Layout to implement changes that occur in the layout
/// metrics.
//
void
TLayoutWindow::Layout()
{
if (ChildMetrics) {
TChildMetrics* childMetrics;
GetFontHeight();
// Initialize the parent's variables
//
Variables[2].Value = ClientSize.cx - 1;
Variables[3].Value = ClientSize.cy - 1;
TRACEX(OwlLayout, 0, _T("Layout() ClientSize: ") << ClientSize);
if (hasBorder(this)) {
int cxBorder = TUIMetric::CxBorder;
int cyBorder = TUIMetric::CyBorder;
Variables[0].Value = -cxBorder;
Variables[1].Value = -cyBorder;
Variables[2].Value += cxBorder;
Variables[3].Value += cyBorder;
}
else {
Variables[0].Value = 0;
Variables[1].Value = 0;
}
TRACEX(OwlLayout, 1, _T("Layout() Variables: 0=>") << Variables[0] << _T(", 1=>" << Variables[1]<< ", 2=>" << Variables[2]<< ", 3=>") << Variables[3]);
// Rebuild layout plan if necessary
//
if (PlanIsDirty) {
PlanIsDirty = false;
for (childMetrics = ChildMetrics; childMetrics;
childMetrics = childMetrics->Next)
BuildConstraints(*childMetrics);
BuildPlan();
}
// Use the plan to calculate actual child window position values
//
ExecutePlan();
// Find out how many windows we're dealing with
//
int numWindows = 0;
for (childMetrics = ChildMetrics; childMetrics; childMetrics = childMetrics->Next) {
TWindow* win = childMetrics->Child;
if (win->GetHandle())
numWindows++;
}
#if !defined(OWL_NO_DEFERWINDOWPOS_LAYOUT)
// Helper object to use 'DefWindowPos' API
//
TDeferWinPos dwp(numWindows);
#endif
// Do actual resizing
//
for (childMetrics = ChildMetrics; childMetrics; childMetrics = childMetrics->Next) {
TWindow* win = childMetrics->Child;
TVariable* variables = childMetrics->Variables;
TRACEX(OwlLayout, 0, _T("Layout() variables: ") << variables[0] << _T(',') <<
variables[1] << _T(',') << variables[2] << _T(',') << variables[3]);
if (win->GetHandle()) {
#if defined(OWL_NO_DEFERWINDOWPOS_LAYOUT)
win->SetWindowPos(
0,
variables[0].Value,
variables[1].Value,
variables[2].Value - variables[0].Value + 1,
variables[3].Value - variables[1].Value + 1,
SWP_NOACTIVATE | SWP_NOZORDER
);
#else
dwp.DeferWindowPos(*win, 0,
variables[0].Value,
variables[1].Value,
variables[2].Value - variables[0].Value + 1,
variables[3].Value - variables[1].Value + 1,
SWP_NOACTIVATE | SWP_NOZORDER);
#endif
}
else {
win->GetWindowAttr().X = variables[0].Value;
win->GetWindowAttr().Y = variables[1].Value;
win->GetWindowAttr().W = variables[2].Value - variables[0].Value + 1;
win->GetWindowAttr().H = variables[3].Value - variables[1].Value + 1;
}
}
}
}