X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/f1df09276caf8575eed4e9bf2689c69903a749a9..8a3f03ffce938a24ecc154b614072457b3900ed0:/src/common/dlgcmn.cpp diff --git a/src/common/dlgcmn.cpp b/src/common/dlgcmn.cpp index 82fe581edb..aa25908a2b 100644 --- a/src/common/dlgcmn.cpp +++ b/src/common/dlgcmn.cpp @@ -1,12 +1,12 @@ ///////////////////////////////////////////////////////////////////////////// -// Name: common/dlgcmn.cpp +// Name: src/common/dlgcmn.cpp // Purpose: common (to all ports) wxDialog functions // Author: Vadim Zeitlin // Modified by: // Created: 28.06.99 // RCS-ID: $Id$ // Copyright: (c) Vadim Zeitlin -// Licence: wxWindows license +// Licence: wxWindows licence ///////////////////////////////////////////////////////////////////////////// // ============================================================================ @@ -17,10 +17,6 @@ // headers // ---------------------------------------------------------------------------- -#ifdef __GNUG__ - #pragma implementation "dialogbase.h" -#endif - // For compilers that support precompilation, includes "wx.h". #include "wx/wxprec.h" @@ -28,123 +24,268 @@ #pragma hdrstop #endif +#include "wx/dialog.h" + #ifndef WX_PRECOMP - #include "wx/dialog.h" + #include "wx/app.h" + #include "wx/button.h" #include "wx/dcclient.h" #include "wx/intl.h" #include "wx/settings.h" #include "wx/stattext.h" #include "wx/sizer.h" + #include "wx/containr.h" +#endif + +#include "wx/statline.h" +#include "wx/sysopt.h" +#include "wx/module.h" +#include "wx/private/stattext.h" +#include "wx/bookctrl.h" +#include "wx/scrolwin.h" + +#if wxUSE_DISPLAY +#include "wx/display.h" #endif -//-------------------------------------------------------------------------- +// ---------------------------------------------------------------------------- // wxDialogBase -//-------------------------------------------------------------------------- +// ---------------------------------------------------------------------------- + +BEGIN_EVENT_TABLE(wxDialogBase, wxTopLevelWindow) + EVT_BUTTON(wxID_ANY, wxDialogBase::OnButton) + + EVT_CLOSE(wxDialogBase::OnCloseWindow) + + EVT_CHAR_HOOK(wxDialogBase::OnCharHook) +END_EVENT_TABLE() + +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); +} + +// helper of GetParentForModalDialog() +static bool CanBeUsedAsParent(wxWindow *parent) +{ + extern WXDLLIMPEXP_DATA_CORE(wxList) wxPendingDelete; + + return !parent->HasExtraStyle(wxWS_EX_TRANSIENT) && + parent->IsShownOnScreen() && + !wxPendingDelete.Member(parent) && + !parent->IsBeingDeleted(); +} -wxSizer *wxDialogBase::CreateTextSizer( const wxString &message ) +wxWindow *wxDialogBase::GetParentForModalDialog(wxWindow *parent) const { - wxBoxSizer *box = new wxBoxSizer( wxVERTICAL ); + // 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: + if ( parent ) + parent = wxGetTopLevelParent(parent); - // get line height for empty lines - int y = 0; - wxFont font( GetFont() ); - if (!font.Ok()) - font = *wxSWISS_FONT; - GetTextExtent(_T("H"), (int*)NULL, &y, (int*)NULL, (int*)NULL, &font); + if ( !parent || !CanBeUsedAsParent(parent) ) + parent = wxTheApp->GetTopWindow(); - wxString line; - for (size_t pos = 0; pos < message.Len(); pos++) + if ( parent && !CanBeUsedAsParent(parent) ) { - if (message[pos] == wxT('\n')) + // can't use this one, it's going to disappear + parent = NULL; + } + + return parent; +} + +#if wxUSE_STATTEXT + +class wxTextSizerWrapper : public wxTextWrapper +{ +public: + wxTextSizerWrapper(wxWindow *win) + { + m_win = win; + m_hLine = 0; + } + + wxSizer *CreateSizer(const wxString& text, int widthMax) + { + m_sizer = new wxBoxSizer(wxVERTICAL); + Wrap(m_win, text, widthMax); + return m_sizer; + } + +protected: + virtual void OnOutputLine(const wxString& line) + { + if ( !line.empty() ) { - if (!line.IsEmpty()) - { - wxStaticText *s1 = new wxStaticText( this, -1, line ); - box->Add( s1 ); - line = wxT(""); - } - else - { - box->Add( 5, y ); - } + m_sizer->Add(new wxStaticText(m_win, wxID_ANY, line)); } - else + else // empty line, no need to create a control for it { - line += message[pos]; + if ( !m_hLine ) + m_hLine = m_win->GetCharHeight(); + + m_sizer->Add(5, m_hLine); } } - // remaining text behind last '\n' - if (!line.IsEmpty()) +private: + wxWindow *m_win; + wxSizer *m_sizer; + int m_hLine; +}; + +wxSizer *wxDialogBase::CreateTextSizer(const wxString& message) +{ + // I admit that this is complete bogus, but it makes + // message boxes work for pda screens temporarily.. + int widthMax = -1; + const bool is_pda = wxSystemSettings::GetScreenType() <= wxSYS_SCREEN_PDA; + if (is_pda) { - wxStaticText *s2 = new wxStaticText( this, -1, line ); - box->Add( s2 ); + widthMax = wxSystemSettings::GetMetric( wxSYS_SCREEN_X ) - 25; } - return box; + // '&' is used as accel mnemonic prefix in the wxWidgets controls but in + // 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("&&")); + + wxTextSizerWrapper wrapper(this); + + return wrapper.CreateSizer(text, widthMax); } -wxSizer *wxDialogBase::CreateButtonSizer( long flags ) +#endif // wxUSE_STATTEXT + +wxSizer *wxDialogBase::CreateButtonSizer(long flags) { - wxBoxSizer *box = new wxBoxSizer( wxHORIZONTAL ); +#ifdef __SMARTPHONE__ + wxDialog* dialog = (wxDialog*) this; + if ( flags & wxOK ) + dialog->SetLeftMenu(wxID_OK); -#if defined(__WXMSW__) || defined(__WXMAC__) - static const int margin = 6; -#else - static const int margin = 10; -#endif + if ( flags & wxCANCEL ) + dialog->SetRightMenu(wxID_CANCEL); - wxButton *ok = (wxButton *) NULL; - wxButton *cancel = (wxButton *) NULL; - wxButton *yes = (wxButton *) NULL; - wxButton *no = (wxButton *) NULL; + if ( flags & wxYES ) + dialog->SetLeftMenu(wxID_YES); - // always show an OK button, unless only YES_NO is given - if ((flags & wxYES_NO) == 0) flags = flags | wxOK; + if ( flags & wxNO ) + dialog->SetRightMenu(wxID_NO); - if (flags & wxYES_NO) - { - yes = new wxButton( this, wxID_YES, _("Yes") ); - box->Add( yes, 0, wxLEFT|wxRIGHT, margin ); - no = new wxButton( this, wxID_NO, _("No") ); - box->Add( no, 0, wxLEFT|wxRIGHT, margin ); - } else - if (flags & wxYES) - { - yes = new wxButton( this, wxID_YES, _("Yes") ); - box->Add( yes, 0, wxLEFT|wxRIGHT, margin ); - } else - if (flags & wxNO) + 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 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__ { - no = new wxButton( this, wxID_NO, _("No") ); - box->Add( no, 0, wxLEFT|wxRIGHT, margin ); + return CreateStdDialogButtonSizer(flags); } +#ifdef __POCKETPC__ + return NULL; +#endif // __POCKETPC__ + +#else // !wxUSE_BUTTON + wxUnusedVar(flags); + + return NULL; +#endif // wxUSE_BUTTON/!wxUSE_BUTTON + +#endif // __SMARTPHONE__/!__SMARTPHONE__ +} + +wxSizer *wxDialogBase::CreateSeparatedButtonSizer(long flags) +{ + wxSizer *sizer = CreateButtonSizer(flags); + if ( !sizer ) + return NULL; + + // 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 + + return sizer; +} + +#if wxUSE_BUTTON + +wxStdDialogButtonSizer *wxDialogBase::CreateStdDialogButtonSizer( long flags ) +{ + wxStdDialogButtonSizer *sizer = new wxStdDialogButtonSizer(); + + wxButton *ok = NULL; + wxButton *yes = NULL; + wxButton *no = NULL; if (flags & wxOK) { - ok = new wxButton( this, wxID_OK, _("OK") ); - box->Add( ok, 0, wxLEFT|wxRIGHT, margin ); + ok = new wxButton(this, wxID_OK); + sizer->AddButton(ok); } - if (flags & wxFORWARD) - box->Add( new wxButton( this, wxID_FORWARD, _("Forward") ), 0, wxLEFT|wxRIGHT, margin ); + if (flags & wxCANCEL) + { + wxButton *cancel = new wxButton(this, wxID_CANCEL); + sizer->AddButton(cancel); + } - if (flags & wxBACKWARD) - box->Add( new wxButton( this, wxID_BACKWARD, _("Backward") ), 0, wxLEFT|wxRIGHT, margin ); + if (flags & wxYES) + { + yes = new wxButton(this, wxID_YES); + sizer->AddButton(yes); + } - if (flags & wxSETUP) - box->Add( new wxButton( this, wxID_SETUP, _("Setup") ), 0, wxLEFT|wxRIGHT, margin ); + if (flags & wxNO) + { + no = new wxButton(this, wxID_NO); + sizer->AddButton(no); + } - if (flags & wxMORE) - box->Add( new wxButton( this, wxID_MORE, _("More...") ), 0, wxLEFT|wxRIGHT, margin ); + if (flags & wxAPPLY) + { + wxButton *apply = new wxButton(this, wxID_APPLY); + sizer->AddButton(apply); + } - if (flags & wxHELP) - box->Add( new wxButton( this, wxID_HELP, _("Help") ), 0, wxLEFT|wxRIGHT, margin ); + if (flags & wxCLOSE) + { + wxButton *close = new wxButton(this, wxID_CLOSE); + sizer->AddButton(close); + } - if (flags & wxCANCEL) + if (flags & wxHELP) { - cancel = new wxButton( this, wxID_CANCEL, _("Cancel") ); - box->Add( cancel, 0, wxLEFT|wxRIGHT, margin ); + wxButton *help = new wxButton(this, wxID_HELP); + sizer->AddButton(help); } if (flags & wxNO_DEFAULT) @@ -169,6 +310,584 @@ wxSizer *wxDialogBase::CreateButtonSizer( long flags ) } } - return box; + if (flags & wxOK) + SetAffirmativeId(wxID_OK); + else if (flags & wxYES) + SetAffirmativeId(wxID_YES); + + sizer->Realize(); + + return sizer; +} + +#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(); + } } +// ---------------------------------------------------------------------------- +// 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. + + // 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, wxID_CANCEL); + 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)