+
+/// Do the adaptation
+bool wxDialogBase::DoLayoutAdaptation()
+{
+ if (GetLayoutAdapter())
+ {
+ wxWindow* focusWindow = wxFindFocusDescendant(this); // from event.h
+ if (GetLayoutAdapter()->DoLayoutAdaptation((wxDialog*) this))
+ {
+ if (focusWindow)
+ focusWindow->SetFocus();
+ return true;
+ }
+ else
+ return false;
+ }
+ else
+ return false;
+}
+
+/// Can we do the adaptation?
+bool wxDialogBase::CanDoLayoutAdaptation()
+{
+ // Check if local setting overrides the global setting
+ bool layoutEnabled = (GetLayoutAdaptationMode() == wxDIALOG_ADAPTATION_MODE_ENABLED) || (IsLayoutAdaptationEnabled() && (GetLayoutAdaptationMode() != wxDIALOG_ADAPTATION_MODE_DISABLED));
+
+ return (layoutEnabled && !m_layoutAdaptationDone && GetLayoutAdaptationLevel() != 0 && GetLayoutAdapter() != NULL && GetLayoutAdapter()->CanDoLayoutAdaptation((wxDialog*) this));
+}
+
+/// Set scrolling adapter class, returning old adapter
+wxDialogLayoutAdapter* wxDialogBase::SetLayoutAdapter(wxDialogLayoutAdapter* adapter)
+{
+ wxDialogLayoutAdapter* oldLayoutAdapter = sm_layoutAdapter;
+ sm_layoutAdapter = adapter;
+ return oldLayoutAdapter;
+}
+
+/*!
+ * Standard adapter
+ */
+
+IMPLEMENT_CLASS(wxDialogLayoutAdapter, wxObject)
+
+IMPLEMENT_CLASS(wxStandardDialogLayoutAdapter, wxDialogLayoutAdapter)
+
+// Allow for caption size on wxWidgets < 2.9
+#if defined(__WXGTK__) && !wxCHECK_VERSION(2,9,0)
+#define wxEXTRA_DIALOG_HEIGHT 30
+#else
+#define wxEXTRA_DIALOG_HEIGHT 0
+#endif
+
+/// Indicate that adaptation should be done
+bool wxStandardDialogLayoutAdapter::CanDoLayoutAdaptation(wxDialog* dialog)
+{
+ if (dialog->GetSizer())
+ {
+ wxSize windowSize, displaySize;
+ return MustScroll(dialog, windowSize, displaySize) != 0;
+ }
+ else
+ return false;
+}
+
+bool wxStandardDialogLayoutAdapter::DoLayoutAdaptation(wxDialog* dialog)
+{
+ if (dialog->GetSizer())
+ {
+#if wxUSE_BOOKCTRL
+ wxBookCtrlBase* bookContentWindow = wxDynamicCast(dialog->GetContentWindow(), wxBookCtrlBase);
+
+ if (bookContentWindow)
+ {
+ // If we have a book control, make all the pages (that use sizers) scrollable
+ wxWindowList windows;
+ for (size_t i = 0; i < bookContentWindow->GetPageCount(); i++)
+ {
+ wxWindow* page = bookContentWindow->GetPage(i);
+
+ wxScrolledWindow* scrolledWindow = wxDynamicCast(page, wxScrolledWindow);
+ if (scrolledWindow)
+ windows.Append(scrolledWindow);
+ else if (!scrolledWindow && page->GetSizer())
+ {
+ // Create a scrolled window and reparent
+ scrolledWindow = CreateScrolledWindow(page);
+ wxSizer* oldSizer = page->GetSizer();
+
+ wxSizer* newSizer = new wxBoxSizer(wxVERTICAL);
+ newSizer->Add(scrolledWindow,1, wxEXPAND, 0);
+
+ page->SetSizer(newSizer, false /* don't delete the old sizer */);
+
+ scrolledWindow->SetSizer(oldSizer);
+
+ ReparentControls(page, scrolledWindow);
+
+ windows.Append(scrolledWindow);
+ }
+ }
+
+ FitWithScrolling(dialog, windows);
+ }
+ else
+#endif // wxUSE_BOOKCTRL
+ {
+ // If we have an arbitrary dialog, create a scrolling area for the main content, and a button sizer
+ // for the main buttons.
+ wxScrolledWindow* scrolledWindow = CreateScrolledWindow(dialog);
+
+ int buttonSizerBorder = 0;
+
+ // First try to find a wxStdDialogButtonSizer
+ wxSizer* buttonSizer = FindButtonSizer(true /* find std button sizer */, dialog, dialog->GetSizer(), buttonSizerBorder);
+
+ // Next try to find a wxBoxSizer containing the controls
+ if (!buttonSizer && dialog->GetLayoutAdaptationLevel() > wxDIALOG_ADAPTATION_STANDARD_SIZER)
+ buttonSizer = FindButtonSizer(false /* find ordinary sizer */, dialog, dialog->GetSizer(), buttonSizerBorder);
+
+ // If we still don't have a button sizer, collect any 'loose' buttons in the layout
+ if (!buttonSizer && dialog->GetLayoutAdaptationLevel() > wxDIALOG_ADAPTATION_ANY_SIZER)
+ {
+ int count = 0;
+ wxStdDialogButtonSizer* stdButtonSizer = new wxStdDialogButtonSizer;
+ buttonSizer = stdButtonSizer;
+
+ FindLooseButtons(dialog, stdButtonSizer, dialog->GetSizer(), count);
+ if (count > 0)
+ stdButtonSizer->Realize();
+ else
+ {
+ delete buttonSizer;
+ buttonSizer = NULL;
+ }
+ }
+
+ if (buttonSizerBorder == 0)
+ buttonSizerBorder = 5;
+
+ ReparentControls(dialog, scrolledWindow, buttonSizer);
+
+ wxBoxSizer* newTopSizer = new wxBoxSizer(wxVERTICAL);
+ wxSizer* oldSizer = dialog->GetSizer();
+
+ dialog->SetSizer(newTopSizer, false /* don't delete old sizer */);
+
+ newTopSizer->Add(scrolledWindow, 1, wxEXPAND|wxALL, 0);
+ if (buttonSizer)
+ newTopSizer->Add(buttonSizer, 0, wxEXPAND|wxALL, buttonSizerBorder);
+
+ scrolledWindow->SetSizer(oldSizer);
+
+ FitWithScrolling(dialog, scrolledWindow);
+ }
+ }
+
+ dialog->SetLayoutAdaptationDone(true);
+ return true;
+}
+
+// Create the scrolled window
+wxScrolledWindow* wxStandardDialogLayoutAdapter::CreateScrolledWindow(wxWindow* parent)
+{
+ wxScrolledWindow* scrolledWindow = new wxScrolledWindow(parent, wxID_ANY, wxDefaultPosition, wxDefaultSize, wxTAB_TRAVERSAL|wxVSCROLL|wxHSCROLL|wxBORDER_NONE);
+ return scrolledWindow;
+}
+
+/// Find and remove the button sizer, if any
+wxSizer* wxStandardDialogLayoutAdapter::FindButtonSizer(bool stdButtonSizer, wxDialog* dialog, wxSizer* sizer, int& retBorder, int accumlatedBorder)
+{
+ for ( wxSizerItemList::compatibility_iterator node = sizer->GetChildren().GetFirst();
+ node; node = node->GetNext() )
+ {
+ wxSizerItem *item = node->GetData();
+ wxSizer *childSizer = item->GetSizer();
+
+ if ( childSizer )
+ {
+ int newBorder = accumlatedBorder;
+ if (item->GetFlag() & wxALL)
+ newBorder += item->GetBorder();
+
+ if (stdButtonSizer) // find wxStdDialogButtonSizer
+ {
+ wxStdDialogButtonSizer* buttonSizer = wxDynamicCast(childSizer, wxStdDialogButtonSizer);
+ if (buttonSizer)
+ {
+ sizer->Detach(childSizer);
+ retBorder = newBorder;
+ return buttonSizer;
+ }
+ }
+ else // find a horizontal box sizer containing standard buttons
+ {
+ wxBoxSizer* buttonSizer = wxDynamicCast(childSizer, wxBoxSizer);
+ if (buttonSizer && IsOrdinaryButtonSizer(dialog, buttonSizer))
+ {
+ sizer->Detach(childSizer);
+ retBorder = newBorder;
+ return buttonSizer;
+ }
+ }
+
+ wxSizer* s = FindButtonSizer(stdButtonSizer, dialog, childSizer, retBorder, newBorder);
+ if (s)
+ return s;
+ }
+ }
+ return NULL;
+}
+
+/// Check if this sizer contains standard buttons, and so can be repositioned in the dialog
+bool wxStandardDialogLayoutAdapter::IsOrdinaryButtonSizer(wxDialog* dialog, wxBoxSizer* sizer)
+{
+ if (sizer->GetOrientation() != wxHORIZONTAL)
+ return false;
+
+ for ( wxSizerItemList::compatibility_iterator node = sizer->GetChildren().GetFirst();
+ node; node = node->GetNext() )
+ {
+ wxSizerItem *item = node->GetData();
+ wxButton *childButton = wxDynamicCast(item->GetWindow(), wxButton);
+
+ if (childButton && IsStandardButton(dialog, childButton))
+ return true;
+ }
+ return false;
+}
+
+/// Check if this is a standard button
+bool wxStandardDialogLayoutAdapter::IsStandardButton(wxDialog* dialog, wxButton* button)
+{
+ wxWindowID id = button->GetId();
+
+ return (id == wxID_OK || id == wxID_CANCEL || id == wxID_YES || id == wxID_NO || id == wxID_SAVE ||
+ id == wxID_APPLY || id == wxID_HELP || id == wxID_CONTEXT_HELP || dialog->IsMainButtonId(id));
+}
+
+/// Find 'loose' main buttons in the existing layout and add them to the standard dialog sizer
+bool wxStandardDialogLayoutAdapter::FindLooseButtons(wxDialog* dialog, wxStdDialogButtonSizer* buttonSizer, wxSizer* sizer, int& count)
+{
+ wxSizerItemList::compatibility_iterator node = sizer->GetChildren().GetFirst();
+ while (node)
+ {
+ wxSizerItemList::compatibility_iterator next = node->GetNext();
+ wxSizerItem *item = node->GetData();
+ wxSizer *childSizer = item->GetSizer();
+ wxButton *childButton = wxDynamicCast(item->GetWindow(), wxButton);
+
+ if (childButton && IsStandardButton(dialog, childButton))
+ {
+ sizer->Detach(childButton);
+ buttonSizer->AddButton(childButton);
+ count ++;
+ }
+
+ if (childSizer)
+ FindLooseButtons(dialog, buttonSizer, childSizer, count);
+
+ node = next;
+ }
+ return true;
+}
+
+/// Reparent the controls to the scrolled window
+void wxStandardDialogLayoutAdapter::ReparentControls(wxWindow* parent, wxWindow* reparentTo, wxSizer* buttonSizer)
+{
+ DoReparentControls(parent, reparentTo, buttonSizer);
+}
+
+void wxStandardDialogLayoutAdapter::DoReparentControls(wxWindow* parent, wxWindow* reparentTo, wxSizer* buttonSizer)
+{
+ wxWindowList::compatibility_iterator node = parent->GetChildren().GetFirst();
+ while (node)
+ {
+ wxWindowList::compatibility_iterator next = node->GetNext();
+
+ wxWindow *win = node->GetData();
+
+ // Don't reparent the scrolled window or buttons in the button sizer
+ if (win != reparentTo && (!buttonSizer || !buttonSizer->GetItem(win)))
+ {
+ win->Reparent(reparentTo);
+#ifdef __WXMSW__
+ // Restore correct tab order
+ ::SetWindowPos((HWND) win->GetHWND(), HWND_BOTTOM, -1, -1, -1, -1, SWP_NOMOVE|SWP_NOSIZE);
+#endif
+ }
+
+ node = next;
+ }
+}
+
+/// Find whether scrolling will be necessary for the dialog, returning wxVERTICAL, wxHORIZONTAL or both
+int wxStandardDialogLayoutAdapter::MustScroll(wxDialog* dialog, wxSize& windowSize, wxSize& displaySize)
+{
+ return DoMustScroll(dialog, windowSize, displaySize);
+}
+
+/// Find whether scrolling will be necessary for the dialog, returning wxVERTICAL, wxHORIZONTAL or both
+int wxStandardDialogLayoutAdapter::DoMustScroll(wxDialog* dialog, wxSize& windowSize, wxSize& displaySize)
+{
+ wxSize minWindowSize = dialog->GetSizer()->GetMinSize();
+ windowSize = dialog->GetSize();
+ windowSize = wxSize(wxMax(windowSize.x, minWindowSize.x), wxMax(windowSize.y, minWindowSize.y));
+#if wxUSE_DISPLAY
+ displaySize = wxDisplay(wxDisplay::GetFromWindow(dialog)).GetClientArea().GetSize();
+#else
+ displaySize = wxGetClientDisplayRect().GetSize();
+#endif
+
+ int flags = 0;
+
+ if (windowSize.y >= (displaySize.y - wxEXTRA_DIALOG_HEIGHT))
+ flags |= wxVERTICAL;
+ if (windowSize.x >= displaySize.x)
+ flags |= wxHORIZONTAL;
+
+ return flags;
+}
+
+// A function to fit the dialog around its contents, and then adjust for screen size.
+// If scrolled windows are passed, scrolling is enabled in the required orientation(s).
+bool wxStandardDialogLayoutAdapter::FitWithScrolling(wxDialog* dialog, wxWindowList& windows)
+{
+ return DoFitWithScrolling(dialog, windows);
+}
+
+// A function to fit the dialog around its contents, and then adjust for screen size.
+// If a scrolled window is passed, scrolling is enabled in the required orientation(s).
+bool wxStandardDialogLayoutAdapter::FitWithScrolling(wxDialog* dialog, wxScrolledWindow* scrolledWindow)
+{
+ return DoFitWithScrolling(dialog, scrolledWindow);
+}
+
+// A function to fit the dialog around its contents, and then adjust for screen size.
+// If a scrolled window is passed, scrolling is enabled in the required orientation(s).
+bool wxStandardDialogLayoutAdapter::DoFitWithScrolling(wxDialog* dialog, wxScrolledWindow* scrolledWindow)
+{
+ wxWindowList windows;
+ windows.Append(scrolledWindow);
+ return DoFitWithScrolling(dialog, windows);
+}
+
+bool wxStandardDialogLayoutAdapter::DoFitWithScrolling(wxDialog* dialog, wxWindowList& windows)
+{
+ wxSizer* sizer = dialog->GetSizer();
+ if (!sizer)
+ return false;
+
+ sizer->SetSizeHints(dialog);
+
+ wxSize windowSize, displaySize;
+ int scrollFlags = DoMustScroll(dialog, windowSize, displaySize);
+ int scrollBarSize = 20;
+
+ if (scrollFlags)
+ {
+ int scrollBarExtraX = 0, scrollBarExtraY = 0;
+ bool resizeHorizontally = (scrollFlags & wxHORIZONTAL) != 0;
+ bool resizeVertically = (scrollFlags & wxVERTICAL) != 0;
+
+ if (windows.GetCount() != 0)
+ {
+ // Allow extra for a scrollbar, assuming we resizing in one direction only.
+ if ((resizeVertically && !resizeHorizontally) && (windowSize.x < (displaySize.x - scrollBarSize)))
+ scrollBarExtraX = scrollBarSize;
+ if ((resizeHorizontally && !resizeVertically) && (windowSize.y < (displaySize.y - scrollBarSize)))
+ scrollBarExtraY = scrollBarSize;
+ }
+
+ wxWindowList::compatibility_iterator node = windows.GetFirst();
+ while (node)
+ {
+ wxWindow *win = node->GetData();
+ wxScrolledWindow* scrolledWindow = wxDynamicCast(win, wxScrolledWindow);
+ if (scrolledWindow)
+ {
+ scrolledWindow->SetScrollRate(resizeHorizontally ? 10 : 0, resizeVertically ? 10 : 0);
+
+ if (scrolledWindow->GetSizer())
+ scrolledWindow->GetSizer()->Fit(scrolledWindow);
+ }
+
+ node = node->GetNext();
+ }
+
+ wxSize limitTo = windowSize + wxSize(scrollBarExtraX, scrollBarExtraY);
+ if (resizeVertically)
+ limitTo.y = displaySize.y - wxEXTRA_DIALOG_HEIGHT;
+ if (resizeHorizontally)
+ limitTo.x = displaySize.x;
+
+ dialog->SetMinSize(limitTo);
+ dialog->SetSize(limitTo);
+
+ dialog->SetSizeHints( limitTo.x, limitTo.y, dialog->GetMaxWidth(), dialog->GetMaxHeight() );
+ }
+
+ return true;
+}
+
+/*!
+ * Module to initialise standard adapter
+ */
+
+class wxDialogLayoutAdapterModule: public wxModule
+{
+ DECLARE_DYNAMIC_CLASS(wxDialogLayoutAdapterModule)
+public:
+ wxDialogLayoutAdapterModule() {}
+ virtual void OnExit() { delete wxDialogBase::SetLayoutAdapter(NULL); }
+ virtual bool OnInit() { wxDialogBase::SetLayoutAdapter(new wxStandardDialogLayoutAdapter); return true; }
+};
+
+IMPLEMENT_DYNAMIC_CLASS(wxDialogLayoutAdapterModule, wxModule)
projects / wxWidgets.git / blobdiff