/////////////////////////////////////////////////////////////////////////////
-// Name: common/dlgcmn.cpp
+// Name: src/common/dlgcmn.cpp
// Purpose: common (to all ports) wxDialog functions
// Author: Vadim Zeitlin
// Modified by:
#pragma hdrstop
#endif
+#include "wx/dialog.h"
+
#ifndef WX_PRECOMP
+ #include "wx/app.h"
#include "wx/button.h"
- #include "wx/dialog.h"
#include "wx/dcclient.h"
#include "wx/intl.h"
#include "wx/settings.h"
#include "wx/stattext.h"
#include "wx/sizer.h"
- #include "wx/button.h"
#include "wx/containr.h"
#endif
#include "wx/statline.h"
#include "wx/sysopt.h"
+#include "wx/module.h"
+#include "wx/bookctrl.h"
+#include "wx/scrolwin.h"
+#include "wx/textwrapper.h"
-#if wxUSE_STATTEXT
-
-// ----------------------------------------------------------------------------
-// wxTextWrapper
-// ----------------------------------------------------------------------------
-
-// this class is used to wrap the text on word boundary: wrapping is done by
-// calling OnStartLine() and OnOutputLine() functions
-class wxTextWrapper
-{
-public:
- wxTextWrapper() { m_eol = false; }
-
- // win is used for getting the font, text is the text to wrap, width is the
- // max line width or -1 to disable wrapping
- void Wrap(wxWindow *win, const wxString& text, int widthMax);
-
- // we don't need it, but just to avoid compiler warnings
- virtual ~wxTextWrapper() { }
-
-protected:
- // line may be empty
- virtual void OnOutputLine(const wxString& line) = 0;
-
- // called at the start of every new line (except the very first one)
- virtual void OnNewLine() { }
-
-private:
- // call OnOutputLine() and set m_eol to true
- void DoOutputLine(const wxString& line)
- {
- OnOutputLine(line);
-
- m_eol = true;
- }
-
- // this function is a destructive inspector: when it returns true it also
- // resets the flag to false so calling it again woulnd't return true any
- // more
- bool IsStartOfNewLine()
- {
- if ( !m_eol )
- return false;
-
- m_eol = false;
-
- return true;
- }
-
-
- bool m_eol;
-};
-
-#endif // wxUSE_STATTEXT
+#if wxUSE_DISPLAY
+#include "wx/display.h"
+#endif
// ----------------------------------------------------------------------------
// wxDialogBase
// ----------------------------------------------------------------------------
-// FIXME - temporary hack in absence of wxTopLevelWindow, should be always used
-#ifdef wxTopLevelWindowNative
BEGIN_EVENT_TABLE(wxDialogBase, wxTopLevelWindow)
- WX_EVENT_TABLE_CONTROL_CONTAINER(wxDialogBase)
+ EVT_BUTTON(wxID_ANY, wxDialogBase::OnButton)
+
+ EVT_CLOSE(wxDialogBase::OnCloseWindow)
+
+ EVT_CHAR_HOOK(wxDialogBase::OnCharHook)
END_EVENT_TABLE()
-WX_DELEGATE_TO_CONTROL_CONTAINER(wxDialogBase)
-#endif
+wxDialogLayoutAdapter* wxDialogBase::sm_layoutAdapter = NULL;
+bool wxDialogBase::sm_layoutAdaptation = false;
void wxDialogBase::Init()
{
m_returnCode = 0;
m_affirmativeId = wxID_OK;
m_escapeId = wxID_ANY;
+ m_layoutAdaptationLevel = 3;
+ m_layoutAdaptationDone = FALSE;
+ m_layoutAdaptationMode = wxDIALOG_ADAPTATION_MODE_DEFAULT;
// the dialogs have this flag on by default to prevent the events from the
// dialog controls from reaching the parent frame which is usually
// undesirable and can lead to unexpected and hard to find bugs
SetExtraStyle(GetExtraStyle() | wxWS_EX_BLOCK_EVENTS);
-
-#ifdef wxTopLevelWindowNative // FIXME - temporary hack, should be always used!
- m_container.SetContainerWindow(this);
-#endif
}
-#if wxUSE_STATTEXT
-
-void wxTextWrapper::Wrap(wxWindow *win, const wxString& text, int widthMax)
+wxWindow *wxDialogBase::CheckIfCanBeUsedAsParent(wxWindow *parent) const
{
- const wxChar *lastSpace = NULL;
- wxString line;
+ if ( !parent )
+ return NULL;
- const wxChar *lineStart = text.c_str();
- for ( const wxChar *p = lineStart; ; p++ )
+ extern WXDLLIMPEXP_DATA_BASE(wxList) wxPendingDelete;
+ if ( wxPendingDelete.Member(parent) || parent->IsBeingDeleted() )
{
- if ( IsStartOfNewLine() )
- {
- OnNewLine();
-
- lastSpace = NULL;
- line.clear();
- lineStart = p;
- }
-
- if ( *p == _T('\n') || *p == _T('\0') )
- {
- DoOutputLine(line);
+ // this window is being deleted and we shouldn't create any children
+ // under it
+ return NULL;
+ }
- if ( *p == _T('\0') )
- break;
- }
- else // not EOL
- {
- if ( *p == _T(' ') )
- lastSpace = p;
+ if ( parent->HasExtraStyle(wxWS_EX_TRANSIENT) )
+ {
+ // this window is not being deleted yet but it's going to disappear
+ // soon so still don't parent this window under it
+ return NULL;
+ }
- line += *p;
+ if ( !parent->IsShownOnScreen() )
+ {
+ // using hidden parent won't work correctly neither
+ return NULL;
+ }
- if ( widthMax >= 0 && lastSpace )
- {
- int width;
- win->GetTextExtent(line, &width, NULL);
+ // FIXME-VC6: this compiler requires an explicit const cast or it fails
+ // with error C2446
+ if ( const_cast<const wxWindow *>(parent) == this )
+ {
+ // not sure if this can really happen but it doesn't hurt to guard
+ // against this clearly invalid situation
+ return NULL;
+ }
- if ( width > widthMax )
- {
- // remove the last word from this line
- line.erase(lastSpace - lineStart, p + 1 - lineStart);
- DoOutputLine(line);
+ return parent;
+}
- // go back to the last word of this line which we didn't
- // output yet
- p = lastSpace;
- }
- }
- //else: no wrapping at all or impossible to wrap
- }
- }
+wxWindow *wxDialogBase::GetParentForModalDialog(wxWindow *parent) const
+{
+ // creating a parent-less modal dialog will result (under e.g. wxGTK2)
+ // in an unfocused dialog, so try to find a valid parent for it unless we
+ // were explicitly asked not to
+ if ( HasFlag(wxDIALOG_NO_PARENT) )
+ return NULL;
+
+ // first try the given parent
+ if ( parent )
+ parent = CheckIfCanBeUsedAsParent(wxGetTopLevelParent(parent));
+
+ // then the currently active window
+ if ( !parent )
+ parent = CheckIfCanBeUsedAsParent(
+ wxGetTopLevelParent(wxGetActiveWindow()));
+
+ // and finally the application main window
+ if ( !parent )
+ parent = CheckIfCanBeUsedAsParent(wxTheApp->GetTopWindow());
+
+ return parent;
}
+#if wxUSE_STATTEXT
+
class wxTextSizerWrapper : public wxTextWrapper
{
public:
// the static messages created by CreateTextSizer() (used by wxMessageBox,
// for example), we don't want this special meaning, so we need to quote it
wxString text(message);
- text.Replace(_T("&"), _T("&&"));
+ text.Replace(wxT("&"), wxT("&&"));
wxTextSizerWrapper wrapper(this);
return wrapper.CreateSizer(text, widthMax);
}
-class wxLabelWrapper : public wxTextWrapper
-{
-public:
- void WrapLabel(wxWindow *text, int widthMax)
- {
- m_text.clear();
- Wrap(text, text->GetLabel(), widthMax);
- text->SetLabel(m_text);
- }
-
-protected:
- virtual void OnOutputLine(const wxString& line)
- {
- m_text += line;
- }
-
- virtual void OnNewLine()
- {
- m_text += _T('\n');
- }
-
-private:
- wxString m_text;
-};
-
-void
-#if defined(__WXGTK__) && !defined(__WXUNIVERSAL__)
-wxStaticText
-#else
-wxStaticTextBase
-#endif
-::Wrap(int width)
-{
- wxLabelWrapper wrapper;
- wrapper.WrapLabel(this, width);
-}
-
#endif // wxUSE_STATTEXT
-wxSizer *wxDialogBase::CreateButtonSizer( long flags, bool separated, wxCoord distance )
+wxSizer *wxDialogBase::CreateButtonSizer(long flags)
{
#ifdef __SMARTPHONE__
- wxUnusedVar(separated);
- wxUnusedVar(distance);
-
wxDialog* dialog = (wxDialog*) this;
- if (flags & wxOK){
+ if ( flags & wxOK )
dialog->SetLeftMenu(wxID_OK);
- }
- if (flags & wxCANCEL){
+ if ( flags & wxCANCEL )
dialog->SetRightMenu(wxID_CANCEL);
- }
- if (flags & wxYES){
+ if ( flags & wxYES )
dialog->SetLeftMenu(wxID_YES);
- }
- if (flags & wxNO){
- dialog->SetLeftMenu(wxID_NO);
- }
- wxBoxSizer* sizer = new wxBoxSizer(wxHORIZONTAL);
- return sizer;
+ if ( flags & wxNO )
+ dialog->SetRightMenu(wxID_NO);
+ return NULL;
#else // !__SMARTPHONE__
+#if wxUSE_BUTTON
+
#ifdef __POCKETPC__
- // PocketPC guidelines recommend for Ok/Cancel dialogs to use
- // OK button located inside caption bar and implement Cancel functionality
- // through Undo outside dialog. As native behaviour this will be default
- // here but can be easily replaced with real wxButtons
- // with "wince.dialog.real-ok-cancel" option set to 1
- if ( ((flags & ~(wxCANCEL|wxNO_DEFAULT))== wxOK) &&
- (wxSystemOptions::GetOptionInt(wxT("wince.dialog.real-ok-cancel"))==0)
- )
- {
- wxBoxSizer* sizer = new wxBoxSizer(wxHORIZONTAL);
- return sizer;
+ // PocketPC guidelines recommend for Ok/Cancel dialogs to use OK button
+ // located inside caption bar and implement Cancel functionality through
+ // Undo outside dialog. As native behaviour this will be default here but
+ // can be replaced with real wxButtons by setting the option below to 1
+ if ( (flags & ~(wxCANCEL|wxNO_DEFAULT)) != wxOK ||
+ wxSystemOptions::GetOptionInt(wxT("wince.dialog.real-ok-cancel")) )
+#endif // __POCKETPC__
+ {
+ return CreateStdDialogButtonSizer(flags);
}
+#ifdef __POCKETPC__
+ return NULL;
#endif // __POCKETPC__
-#if wxUSE_BUTTON
-
- wxSizer* buttonSizer = CreateStdDialogButtonSizer( flags );
-
- // Mac Human Interface Guidelines recommend not to use static lines as grouping elements
-#if wxUSE_STATLINE && !defined(__WXMAC__)
- if(!separated)
- return buttonSizer;
-
- wxBoxSizer *topsizer = new wxBoxSizer( wxVERTICAL );
- topsizer->Add( new wxStaticLine( this, wxID_ANY ), 0, wxEXPAND | wxBOTTOM, distance );
- topsizer->Add( buttonSizer, 0, wxEXPAND );
- return topsizer;
+#else // !wxUSE_BUTTON
+ wxUnusedVar(flags);
-#else // !wxUSE_STATLINE
+ return NULL;
+#endif // wxUSE_BUTTON/!wxUSE_BUTTON
- wxUnusedVar(separated);
- wxUnusedVar(distance);
- return buttonSizer;
+#endif // __SMARTPHONE__/!__SMARTPHONE__
+}
-#endif // wxUSE_STATLINE/!wxUSE_STATLINE
+wxSizer *wxDialogBase::CreateSeparatedButtonSizer(long flags)
+{
+ wxSizer *sizer = CreateButtonSizer(flags);
+ if ( !sizer )
+ return NULL;
-#else // !wxUSE_BUTTON
+ // Mac Human Interface Guidelines recommend not to use static lines as
+ // grouping elements
+#if wxUSE_STATLINE && !defined(__WXMAC__)
+ wxBoxSizer *topsizer = new wxBoxSizer(wxVERTICAL);
+ topsizer->Add(new wxStaticLine(this),
+ wxSizerFlags().Expand().DoubleBorder(wxBOTTOM));
+ topsizer->Add(sizer, wxSizerFlags().Expand());
+ sizer = topsizer;
+#endif // wxUSE_STATLINE
- wxUnusedVar(separated);
- wxUnusedVar(distance);
- wxBoxSizer* sizer = new wxBoxSizer(wxHORIZONTAL);
return sizer;
-
-#endif // wxUSE_BUTTON/!wxUSE_BUTTON
-
-#endif // __SMARTPHONE__/!__SMARTPHONE__
}
#if wxUSE_BUTTON
wxButton *yes = NULL;
wxButton *no = NULL;
- if (flags & wxOK){
+ if (flags & wxOK)
+ {
ok = new wxButton(this, wxID_OK);
sizer->AddButton(ok);
}
- if (flags & wxCANCEL){
+ if (flags & wxCANCEL)
+ {
wxButton *cancel = new wxButton(this, wxID_CANCEL);
sizer->AddButton(cancel);
}
- if (flags & wxYES){
+ if (flags & wxYES)
+ {
yes = new wxButton(this, wxID_YES);
sizer->AddButton(yes);
}
- if (flags & wxNO){
+ if (flags & wxNO)
+ {
no = new wxButton(this, wxID_NO);
sizer->AddButton(no);
}
- if (flags & wxHELP){
+ if (flags & wxAPPLY)
+ {
+ wxButton *apply = new wxButton(this, wxID_APPLY);
+ sizer->AddButton(apply);
+ }
+
+ if (flags & wxCLOSE)
+ {
+ wxButton *close = new wxButton(this, wxID_CLOSE);
+ sizer->AddButton(close);
+ }
+
+ if (flags & wxHELP)
+ {
wxButton *help = new wxButton(this, wxID_HELP);
sizer->AddButton(help);
}
}
#endif // wxUSE_BUTTON
+
+// ----------------------------------------------------------------------------
+// standard buttons handling
+// ----------------------------------------------------------------------------
+
+void wxDialogBase::EndDialog(int rc)
+{
+ if ( IsModal() )
+ EndModal(rc);
+ else
+ Hide();
+}
+
+void wxDialogBase::AcceptAndClose()
+{
+ if ( Validate() && TransferDataFromWindow() )
+ {
+ EndDialog(m_affirmativeId);
+ }
+}
+
+void wxDialogBase::SetAffirmativeId(int affirmativeId)
+{
+ m_affirmativeId = affirmativeId;
+}
+
+void wxDialogBase::SetEscapeId(int escapeId)
+{
+ m_escapeId = escapeId;
+}
+
+bool wxDialogBase::EmulateButtonClickIfPresent(int id)
+{
+#if wxUSE_BUTTON
+ wxButton *btn = wxDynamicCast(FindWindow(id), wxButton);
+
+ if ( !btn || !btn->IsEnabled() || !btn->IsShown() )
+ return false;
+
+ wxCommandEvent event(wxEVT_COMMAND_BUTTON_CLICKED, id);
+ event.SetEventObject(btn);
+ btn->GetEventHandler()->ProcessEvent(event);
+
+ return true;
+#else // !wxUSE_BUTTON
+ wxUnusedVar(id);
+ return false;
+#endif // wxUSE_BUTTON/!wxUSE_BUTTON
+}
+
+bool wxDialogBase::IsEscapeKey(const wxKeyEvent& event)
+{
+ // for most platforms, Esc key is used to close the dialogs
+ return event.GetKeyCode() == WXK_ESCAPE &&
+ event.GetModifiers() == wxMOD_NONE;
+}
+
+void wxDialogBase::OnCharHook(wxKeyEvent& event)
+{
+ if ( event.GetKeyCode() == WXK_ESCAPE )
+ {
+ int idCancel = GetEscapeId();
+ switch ( idCancel )
+ {
+ case wxID_NONE:
+ // don't handle Esc specially at all
+ break;
+
+ case wxID_ANY:
+ // this value is special: it means translate Esc to wxID_CANCEL
+ // but if there is no such button, then fall back to wxID_OK
+ if ( EmulateButtonClickIfPresent(wxID_CANCEL) )
+ return;
+ idCancel = GetAffirmativeId();
+ // fall through
+
+ default:
+ // translate Esc to button press for the button with given id
+ if ( EmulateButtonClickIfPresent(idCancel) )
+ return;
+ }
+ }
+
+ event.Skip();
+}
+
+void wxDialogBase::OnButton(wxCommandEvent& event)
+{
+ const int id = event.GetId();
+ if ( id == GetAffirmativeId() )
+ {
+ AcceptAndClose();
+ }
+ else if ( id == wxID_APPLY )
+ {
+ if ( Validate() )
+ TransferDataFromWindow();
+
+ // TODO: disable the Apply button until things change again
+ }
+ else if ( id == GetEscapeId() ||
+ (id == wxID_CANCEL && GetEscapeId() == wxID_ANY) )
+ {
+ EndDialog(wxID_CANCEL);
+ }
+ else // not a standard button
+ {
+ event.Skip();
+ }
+}
+
+// ----------------------------------------------------------------------------
+// compatibility methods for supporting the modality API
+// ----------------------------------------------------------------------------
+
+wxDEFINE_EVENT( wxEVT_WINDOW_MODAL_DIALOG_CLOSED , wxWindowModalDialogEvent );
+
+IMPLEMENT_DYNAMIC_CLASS(wxWindowModalDialogEvent, wxCommandEvent)
+
+void wxDialogBase::ShowWindowModal ()
+{
+ ShowModal();
+ SendWindowModalDialogEvent ( wxEVT_WINDOW_MODAL_DIALOG_CLOSED );
+}
+
+void wxDialogBase::SendWindowModalDialogEvent ( wxEventType type )
+{
+ wxWindowModalDialogEvent event ( type, GetId());
+ event.SetEventObject(this);
+
+ if ( !GetEventHandler()->ProcessEvent(event) )
+ {
+ // the event is not propagated upwards to the parent automatically
+ // because the dialog is a top level window, so do it manually as
+ // in 9 cases of 10 the message must be processed by the dialog
+ // owner and not the dialog itself
+ (void)GetParent()->GetEventHandler()->ProcessEvent(event);
+ }
+}
+
+
+wxDialogModality wxDialogBase::GetModality() const
+{
+ return IsModal() ? wxDIALOG_MODALITY_APP_MODAL : wxDIALOG_MODALITY_NONE;
+}
+
+// ----------------------------------------------------------------------------
+// other event handlers
+// ----------------------------------------------------------------------------
+
+void wxDialogBase::OnCloseWindow(wxCloseEvent& WXUNUSED(event))
+{
+ // We'll send a Cancel message by default, which may close the dialog.
+ // Check for looping if the Cancel event handler calls Close().
+
+ // Note that if a cancel button and handler aren't present in the dialog,
+ // nothing will happen when you close the dialog via the window manager, or
+ // via Close(). We wouldn't want to destroy the dialog by default, since
+ // the dialog may have been created on the stack. However, this does mean
+ // that calling dialog->Close() won't delete the dialog unless the handler
+ // for wxID_CANCEL does so. So use Destroy() if you want to be sure to
+ // destroy the dialog. The default OnCancel (above) simply ends a modal
+ // dialog, and hides a modeless dialog.
+
+ int idCancel = GetEscapeId();
+ if ( idCancel == wxID_NONE )
+ return;
+ if ( idCancel == wxID_ANY )
+ idCancel = wxID_CANCEL;
+
+ // VZ: this is horrible and MT-unsafe. Can't we reuse some of these global
+ // lists here? don't dare to change it now, but should be done later!
+ static wxList closing;
+
+ if ( closing.Member(this) )
+ return;
+
+ closing.Append(this);
+
+ wxCommandEvent cancelEvent(wxEVT_COMMAND_BUTTON_CLICKED, idCancel);
+ cancelEvent.SetEventObject( this );
+ GetEventHandler()->ProcessEvent(cancelEvent); // This may close the dialog
+
+ closing.DeleteObject(this);
+}
+
+void wxDialogBase::OnSysColourChanged(wxSysColourChangedEvent& event)
+{
+#ifndef __WXGTK__
+ SetBackgroundColour(wxSystemSettings::GetColour(wxSYS_COLOUR_3DFACE));
+ Refresh();
+#endif
+
+ event.Skip();
+}
+
+/// 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