X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/439b3bf1f5c9a92218d84d6b8bfacb4d07a50829..36cc39686ab0774ac2049ccfdea39e3fcfecafb2:/src/common/wincmn.cpp?ds=sidebyside diff --git a/src/common/wincmn.cpp b/src/common/wincmn.cpp index 28fd6ab1d1..dd3822251d 100644 --- a/src/common/wincmn.cpp +++ b/src/common/wincmn.cpp @@ -1,55 +1,1338 @@ ///////////////////////////////////////////////////////////////////////////// -// Name: windows.cpp +// Name: common/window.cpp // Purpose: common (to all ports) wxWindow functions // Author: Julian Smart, Vadim Zeitlin // Modified by: // Created: 13/07/98 // RCS-ID: $Id$ -// Copyright: (c) Julian Smart and Markus Holzem +// Copyright: (c) wxWindows team // Licence: wxWindows license ///////////////////////////////////////////////////////////////////////////// -#include "wx/defs.h" -#include "wx/window.h" +// ============================================================================ +// declarations +// ============================================================================ -// Do Update UI processing for child controls +// ---------------------------------------------------------------------------- +// headers +// ---------------------------------------------------------------------------- + +#ifdef __GNUG__ + #pragma implementation "windowbase.h" +#endif + +// For compilers that support precompilation, includes "wx.h". +#include "wx/wxprec.h" + +#ifdef __BORLANDC__ + #pragma hdrstop +#endif + +#ifndef WX_PRECOMP + #include "wx/string.h" + #include "wx/log.h" + #include "wx/intl.h" + #include "wx/frame.h" + #include "wx/defs.h" + #include "wx/window.h" + #include "wx/checkbox.h" + #include "wx/radiobut.h" + #include "wx/textctrl.h" + #include "wx/settings.h" + #include "wx/dialog.h" +#endif //WX_PRECOMP + +#if wxUSE_CONSTRAINTS + #include "wx/layout.h" + #include "wx/sizer.h" +#endif // wxUSE_CONSTRAINTS + +#if wxUSE_DRAG_AND_DROP + #include "wx/dnd.h" +#endif // wxUSE_DRAG_AND_DROP + +#if wxUSE_TOOLTIPS + #include "wx/tooltip.h" +#endif // wxUSE_TOOLTIPS + +#if wxUSE_CARET + #include "wx/caret.h" +#endif // wxUSE_CARET + +// ---------------------------------------------------------------------------- +// static data +// ---------------------------------------------------------------------------- + +int wxWindowBase::ms_lastControlId = -200; + +IMPLEMENT_ABSTRACT_CLASS(wxWindowBase, wxEvtHandler) + +// ---------------------------------------------------------------------------- +// event table +// ---------------------------------------------------------------------------- + +BEGIN_EVENT_TABLE(wxWindowBase, wxEvtHandler) + EVT_SYS_COLOUR_CHANGED(wxWindowBase::OnSysColourChanged) + EVT_INIT_DIALOG(wxWindowBase::OnInitDialog) +END_EVENT_TABLE() + +// ============================================================================ +// implementation of the common functionality of the wxWindow class +// ============================================================================ + +// ---------------------------------------------------------------------------- +// initialization +// ---------------------------------------------------------------------------- + +// the default initialization +void wxWindowBase::InitBase() +{ + // no window yet, no parent nor children + m_parent = (wxWindow *)NULL; + m_windowId = -1; + m_children.DeleteContents( FALSE ); // don't auto delete node data + + // no constraints on the minimal window size + m_minWidth = + m_minHeight = + m_maxWidth = + m_maxHeight = -1; + + // window is created enabled but it's not visible yet + m_isShown = FALSE; + m_isEnabled = TRUE; + + // no client data (yet) + m_clientData = NULL; + m_clientDataType = ClientData_None; + + // the default event handler is just this window + m_eventHandler = this; + +#if wxUSE_VALIDATORS + // no validator + m_windowValidator = (wxValidator *) NULL; +#endif // wxUSE_VALIDATORS + + // use the system default colours + wxSystemSettings settings; + + m_backgroundColour = settings.GetSystemColour(wxSYS_COLOUR_BTNFACE); + m_foregroundColour = *wxBLACK; // TODO take this from sys settings too? +#ifndef __WXMAC__ + m_font = *wxSWISS_FONT; // and this? +#else + m_font = settings.GetSystemFont(wxSYS_DEFAULT_GUI_FONT); +#endif + // no style bits + m_windowStyle = 0; + + // an optimization for the event processing: checking this flag is much + // faster than using IsKindOf(CLASSINFO(wxWindow)) + m_isWindow = TRUE; + +#if wxUSE_CONSTRAINTS + // no constraints whatsoever + m_constraints = (wxLayoutConstraints *) NULL; + m_constraintsInvolvedIn = (wxWindowList *) NULL; + m_windowSizer = (wxSizer *) NULL; + m_autoLayout = FALSE; +#endif // wxUSE_CONSTRAINTS + +#if wxUSE_DRAG_AND_DROP + m_dropTarget = (wxDropTarget *)NULL; +#endif // wxUSE_DRAG_AND_DROP + +#if wxUSE_TOOLTIPS + m_tooltip = (wxToolTip *)NULL; +#endif // wxUSE_TOOLTIPS + +#if wxUSE_CARET + m_caret = (wxCaret *)NULL; +#endif // wxUSE_CARET +} + +// common part of window creation process +bool wxWindowBase::CreateBase(wxWindowBase *parent, + wxWindowID id, + const wxPoint& WXUNUSED(pos), + const wxSize& WXUNUSED(size), + long style, +#if wxUSE_VALIDATORS + const wxValidator& validator, +#endif + const wxString& name) +{ + // m_isWindow is set to TRUE in wxWindowBase::Init() as well as many other + // member variables - check that it has been called (will catch the case + // when a new ctor is added which doesn't call InitWindow) + wxASSERT_MSG( m_isWindow, wxT("Init() must have been called before!") ); + + // generate a new id if the user doesn't care about it + m_windowId = id == -1 ? NewControlId() : id; + + SetName(name); + SetWindowStyleFlag(style); + SetParent(parent); + SetValidator(validator); + + return TRUE; +} + +// ---------------------------------------------------------------------------- +// destruction +// ---------------------------------------------------------------------------- + +// common clean up +wxWindowBase::~wxWindowBase() +{ + // FIXME if these 2 cases result from programming errors in the user code + // we should probably assert here instead of silently fixing them + + // Just in case the window has been Closed, but we're then deleting + // immediately: don't leave dangling pointers. + wxPendingDelete.DeleteObject(this); + + // Just in case we've loaded a top-level window via LoadNativeDialog but + // we weren't a dialog class + wxTopLevelWindows.DeleteObject(this); + + wxASSERT_MSG( GetChildren().GetCount() == 0, wxT("children not destroyed") ); + + // make sure that there are no dangling pointers left pointing to us + wxPanel *panel = wxDynamicCast(GetParent(), wxPanel); + if ( panel ) + { + if ( panel->GetLastFocus() == this ) + { + panel->SetLastFocus((wxWindow *)NULL); + } + } + +#if wxUSE_CARET + if ( m_caret ) + delete m_caret; +#endif // wxUSE_CARET + +#if wxUSE_VALIDATORS + if ( m_windowValidator ) + delete m_windowValidator; +#endif // wxUSE_VALIDATORS + + // we only delete object data, not untyped + if ( m_clientDataType == ClientData_Object ) + delete m_clientObject; + +#if wxUSE_CONSTRAINTS + // Have to delete constraints/sizer FIRST otherwise sizers may try to look + // at deleted windows as they delete themselves. + DeleteRelatedConstraints(); + + if ( m_constraints ) + { + // This removes any dangling pointers to this window in other windows' + // constraintsInvolvedIn lists. + UnsetConstraints(m_constraints); + delete m_constraints; + m_constraints = NULL; + } + + if ( m_windowSizer ) + delete m_windowSizer; + +#endif // wxUSE_CONSTRAINTS + +#if wxUSE_DRAG_AND_DROP + if ( m_dropTarget ) + delete m_dropTarget; +#endif // wxUSE_DRAG_AND_DROP + +#if wxUSE_TOOLTIPS + if ( m_tooltip ) + delete m_tooltip; +#endif // wxUSE_TOOLTIPS +} + +bool wxWindowBase::Destroy() +{ + delete this; + + return TRUE; +} + +bool wxWindowBase::Close(bool force) +{ + wxCloseEvent event(wxEVT_CLOSE_WINDOW, m_windowId); + event.SetEventObject(this); +#if WXWIN_COMPATIBILITY + event.SetForce(force); +#endif // WXWIN_COMPATIBILITY + event.SetCanVeto(!force); + + // return FALSE if window wasn't closed because the application vetoed the + // close event + return GetEventHandler()->ProcessEvent(event) && !event.GetVeto(); +} + +bool wxWindowBase::DestroyChildren() +{ + wxWindowList::Node *node; + for ( ;; ) + { + // we iterate until the list becomes empty + node = GetChildren().GetFirst(); + if ( !node ) + break; + + wxWindow *child = node->GetData(); + + wxASSERT_MSG( child, wxT("children list contains empty nodes") ); + + delete child; + + wxASSERT_MSG( !GetChildren().Find(child), + wxT("child didn't remove itself using RemoveChild()") ); + } + + return TRUE; +} + +// ---------------------------------------------------------------------------- +// size/position related methods +// ---------------------------------------------------------------------------- + +// centre the window with respect to its parent in either (or both) directions +void wxWindowBase::Centre(int direction) +{ + int widthParent, heightParent; + + wxWindow *parent = GetParent(); + if ( !parent ) + { + // no other choice + direction |= wxCENTRE_ON_SCREEN; + } + + if ( direction & wxCENTRE_ON_SCREEN ) + { + // centre with respect to the whole screen + wxDisplaySize(&widthParent, &heightParent); + } + else + { + // centre inside the parents rectangle + parent->GetClientSize(&widthParent, &heightParent); + } + + int width, height; + GetSize(&width, &height); + + int xNew = -1, + yNew = -1; + + if ( direction & wxHORIZONTAL ) + xNew = (widthParent - width)/2; + + if ( direction & wxVERTICAL ) + yNew = (heightParent - height)/2; + + // controls are always centered on their parent because it doesn't make + // sense to centre them on the screen + if ( !(direction & wxCENTRE_ON_SCREEN) || wxDynamicCast(this, wxControl) ) + { + // theo nly chance to get this is to have a wxControl without parent + wxCHECK_RET( parent, wxT("a control must have a parent") ); + + // adjust to the parents client area origin + wxPoint posParent = parent->ClientToScreen(wxPoint(0, 0)); + + xNew += posParent.x; + yNew += posParent.y; + } + + // move the centre of this window to this position + Move(xNew, yNew); +} + +// fits the window around the children +void wxWindowBase::Fit() +{ + if ( GetChildren().GetCount() > 0 ) + { + SetClientSize(DoGetBestSize()); + } + //else: do nothing if we have no children +} + +// return the size best suited for the current window +wxSize wxWindowBase::DoGetBestSize() const +{ + if ( GetChildren().GetCount() > 0 ) + { + // our minimal acceptable size is such that all our windows fit inside + int maxX = 0, + maxY = 0; + + for ( wxWindowList::Node *node = GetChildren().GetFirst(); + node; + node = node->GetNext() ) + { + wxWindow *win = node->GetData(); + if ( win->IsTopLevel() ) + { + // dialogs and frames lie in different top level windows - + // don't deal with them here + continue; + } + + int wx, wy, ww, wh; + win->GetPosition(&wx, &wy); + win->GetSize(&ww, &wh); + if ( wx + ww > maxX ) + maxX = wx + ww; + if ( wy + wh > maxY ) + maxY = wy + wh; + } + + // leave a margin + return wxSize(maxX + 7, maxY + 14); + } + else + { + // for a generic window there is no natural best size - just use the + // current one + return GetSize(); + } +} + +// set the min/max size of the window +void wxWindowBase::SetSizeHints(int minW, int minH, + int maxW, int maxH, + int WXUNUSED(incW), int WXUNUSED(incH)) +{ + m_minWidth = minW; + m_maxWidth = maxW; + m_minHeight = minH; + m_maxHeight = maxH; +} + +// ---------------------------------------------------------------------------- +// show/hide/enable/disable the window +// ---------------------------------------------------------------------------- + +bool wxWindowBase::Show(bool show) +{ + if ( show != m_isShown ) + { + m_isShown = show; + + return TRUE; + } + else + { + return FALSE; + } +} + +bool wxWindowBase::Enable(bool enable) +{ + if ( enable != m_isEnabled ) + { + m_isEnabled = enable; + + return TRUE; + } + else + { + return FALSE; + } +} +// ---------------------------------------------------------------------------- +// RTTI +// ---------------------------------------------------------------------------- + +bool wxWindowBase::IsTopLevel() const +{ + return FALSE; +} + +// ---------------------------------------------------------------------------- +// reparenting the window +// ---------------------------------------------------------------------------- + +void wxWindowBase::AddChild(wxWindowBase *child) +{ + wxCHECK_RET( child, wxT("can't add a NULL child") ); + + GetChildren().Append(child); + child->SetParent(this); +} + +void wxWindowBase::RemoveChild(wxWindowBase *child) +{ + wxCHECK_RET( child, wxT("can't remove a NULL child") ); + + GetChildren().DeleteObject(child); + child->SetParent((wxWindow *)NULL); +} + +bool wxWindowBase::Reparent(wxWindowBase *newParent) +{ + wxWindow *oldParent = GetParent(); + if ( newParent == oldParent ) + { + // nothing done + return FALSE; + } + + // unlink this window from the existing parent. + if ( oldParent ) + { + oldParent->RemoveChild(this); + } + else + { + wxTopLevelWindows.DeleteObject(this); + } + + // add it to the new one + if ( newParent ) + { + newParent->AddChild(this); + } + else + { + wxTopLevelWindows.Append(this); + } + + return TRUE; +} + +// ---------------------------------------------------------------------------- +// event handler stuff +// ---------------------------------------------------------------------------- + +void wxWindowBase::PushEventHandler(wxEvtHandler *handler) +{ + handler->SetNextHandler(GetEventHandler()); + SetEventHandler(handler); +} + +wxEvtHandler *wxWindowBase::PopEventHandler(bool deleteHandler) +{ + wxEvtHandler *handlerA = GetEventHandler(); + if ( handlerA ) + { + wxEvtHandler *handlerB = handlerA->GetNextHandler(); + handlerA->SetNextHandler((wxEvtHandler *)NULL); + SetEventHandler(handlerB); + if ( deleteHandler ) + { + delete handlerA; + handlerA = (wxEvtHandler *)NULL; + } + } + + return handlerA; +} + +// ---------------------------------------------------------------------------- +// cursors, fonts &c +// ---------------------------------------------------------------------------- + +bool wxWindowBase::SetBackgroundColour( const wxColour &colour ) +{ + if ( !colour.Ok() || (colour == m_backgroundColour) ) + return FALSE; + + m_backgroundColour = colour; + + return TRUE; +} + +bool wxWindowBase::SetForegroundColour( const wxColour &colour ) +{ + if ( !colour.Ok() || (colour == m_foregroundColour) ) + return FALSE; + + m_foregroundColour = colour; + + return TRUE; +} + +bool wxWindowBase::SetCursor(const wxCursor& cursor) +{ + // don't try to set invalid cursor, always fall back to the default + const wxCursor& cursorOk = cursor.Ok() ? cursor : *wxSTANDARD_CURSOR; + + if ( (wxCursor&)cursorOk == m_cursor ) + { + // no change + return FALSE; + } + + m_cursor = cursorOk; + + return TRUE; +} + +bool wxWindowBase::SetFont(const wxFont& font) +{ + // don't try to set invalid font, always fall back to the default + const wxFont& fontOk = font.Ok() ? font : *wxSWISS_FONT; + + if ( (wxFont&)fontOk == m_font ) + { + // no change + return FALSE; + } + + m_font = fontOk; + + return TRUE; +} + +#if wxUSE_CARET +void wxWindowBase::SetCaret(wxCaret *caret) +{ + if ( m_caret ) + { + delete m_caret; + } + + m_caret = caret; + + if ( m_caret ) + { + wxASSERT_MSG( m_caret->GetWindow() == this, + wxT("caret should be created associated to this window") ); + } +} +#endif // wxUSE_CARET + +#if wxUSE_VALIDATORS +// ---------------------------------------------------------------------------- +// validators +// ---------------------------------------------------------------------------- + +void wxWindowBase::SetValidator(const wxValidator& validator) +{ + if ( m_windowValidator ) + delete m_windowValidator; + + m_windowValidator = (wxValidator *)validator.Clone(); + + if ( m_windowValidator ) + m_windowValidator->SetWindow(this) ; +} +#endif // wxUSE_VALIDATORS + +// ---------------------------------------------------------------------------- +// update region testing +// ---------------------------------------------------------------------------- + +bool wxWindowBase::IsExposed(int x, int y) const +{ + return m_updateRegion.Contains(x, y) != wxOutRegion; +} + +bool wxWindowBase::IsExposed(int x, int y, int w, int h) const +{ + return m_updateRegion.Contains(x, y, w, h) != wxOutRegion; +} + +// ---------------------------------------------------------------------------- +// find window by id or name +// ---------------------------------------------------------------------------- + +wxWindow *wxWindowBase::FindWindow( long id ) +{ + if ( id == m_windowId ) + return (wxWindow *)this; + + wxWindowBase *res = (wxWindow *)NULL; + wxWindowList::Node *node; + for ( node = m_children.GetFirst(); node && !res; node = node->GetNext() ) + { + wxWindowBase *child = node->GetData(); + res = child->FindWindow( id ); + } + + return (wxWindow *)res; +} + +wxWindow *wxWindowBase::FindWindow( const wxString& name ) +{ + if ( name == m_windowName ) + return (wxWindow *)this; + + wxWindowBase *res = (wxWindow *)NULL; + wxWindowList::Node *node; + for ( node = m_children.GetFirst(); node && !res; node = node->GetNext() ) + { + wxWindow *child = node->GetData(); + res = child->FindWindow(name); + } + + return (wxWindow *)res; +} + +// ---------------------------------------------------------------------------- +// dialog oriented functions +// ---------------------------------------------------------------------------- + +void wxWindowBase::MakeModal(bool modal) +{ + // Disable all other windows + if ( IsTopLevel() ) + { + wxWindowList::Node *node = wxTopLevelWindows.GetFirst(); + while (node) + { + wxWindow *win = node->GetData(); + if (win != this) + win->Enable(!modal); + + node = node->GetNext(); + } + } +} + +bool wxWindowBase::Validate() +{ +#if wxUSE_VALIDATORS + wxWindowList::Node *node; + for ( node = m_children.GetFirst(); node; node = node->GetNext() ) + { + wxWindowBase *child = node->GetData(); + wxValidator *validator = child->GetValidator(); + if ( validator && !validator->Validate((wxWindow *)this) ) + { + return FALSE; + } + } +#endif // wxUSE_VALIDATORS + + return TRUE; +} + +bool wxWindowBase::TransferDataToWindow() +{ +#if wxUSE_VALIDATORS + wxWindowList::Node *node; + for ( node = m_children.GetFirst(); node; node = node->GetNext() ) + { + wxWindowBase *child = node->GetData(); + wxValidator *validator = child->GetValidator(); + if ( validator && !validator->TransferToWindow() ) + { + wxLog *log = wxLog::GetActiveTarget(); + if ( log ) + { + wxLogWarning(_("Could not transfer data to window")); + log->Flush(); + } + + return FALSE; + } + } +#endif // wxUSE_VALIDATORS + + return TRUE; +} + +bool wxWindowBase::TransferDataFromWindow() +{ +#if wxUSE_VALIDATORS + wxWindowList::Node *node; + for ( node = m_children.GetFirst(); node; node = node->GetNext() ) + { + wxWindow *child = node->GetData(); + if ( child->GetValidator() && + !child->GetValidator()->TransferFromWindow() ) + { + return FALSE; + } + } +#endif // wxUSE_VALIDATORS + + return TRUE; +} + +void wxWindowBase::InitDialog() +{ + wxInitDialogEvent event(GetId()); + event.SetEventObject( this ); + GetEventHandler()->ProcessEvent(event); +} + +// ---------------------------------------------------------------------------- +// tooltips +// ---------------------------------------------------------------------------- + +#if wxUSE_TOOLTIPS + +void wxWindowBase::SetToolTip( const wxString &tip ) +{ + // don't create the new tooltip if we already have one + if ( m_tooltip ) + { + m_tooltip->SetTip( tip ); + } + else + { + SetToolTip( new wxToolTip( tip ) ); + } + + // setting empty tooltip text does not remove the tooltip any more - use + // SetToolTip((wxToolTip *)NULL) for this +} + +void wxWindowBase::DoSetToolTip(wxToolTip *tooltip) +{ + if ( m_tooltip ) + delete m_tooltip; + + m_tooltip = tooltip; +} + +#endif // wxUSE_TOOLTIPS + +// ---------------------------------------------------------------------------- +// constraints and sizers +// ---------------------------------------------------------------------------- + +#if wxUSE_CONSTRAINTS + +void wxWindowBase::SetConstraints( wxLayoutConstraints *constraints ) +{ + if ( m_constraints ) + { + UnsetConstraints(m_constraints); + delete m_constraints; + } + m_constraints = constraints; + if ( m_constraints ) + { + // Make sure other windows know they're part of a 'meaningful relationship' + if ( m_constraints->left.GetOtherWindow() && (m_constraints->left.GetOtherWindow() != this) ) + m_constraints->left.GetOtherWindow()->AddConstraintReference(this); + if ( m_constraints->top.GetOtherWindow() && (m_constraints->top.GetOtherWindow() != this) ) + m_constraints->top.GetOtherWindow()->AddConstraintReference(this); + if ( m_constraints->right.GetOtherWindow() && (m_constraints->right.GetOtherWindow() != this) ) + m_constraints->right.GetOtherWindow()->AddConstraintReference(this); + if ( m_constraints->bottom.GetOtherWindow() && (m_constraints->bottom.GetOtherWindow() != this) ) + m_constraints->bottom.GetOtherWindow()->AddConstraintReference(this); + if ( m_constraints->width.GetOtherWindow() && (m_constraints->width.GetOtherWindow() != this) ) + m_constraints->width.GetOtherWindow()->AddConstraintReference(this); + if ( m_constraints->height.GetOtherWindow() && (m_constraints->height.GetOtherWindow() != this) ) + m_constraints->height.GetOtherWindow()->AddConstraintReference(this); + if ( m_constraints->centreX.GetOtherWindow() && (m_constraints->centreX.GetOtherWindow() != this) ) + m_constraints->centreX.GetOtherWindow()->AddConstraintReference(this); + if ( m_constraints->centreY.GetOtherWindow() && (m_constraints->centreY.GetOtherWindow() != this) ) + m_constraints->centreY.GetOtherWindow()->AddConstraintReference(this); + } +} + +// This removes any dangling pointers to this window in other windows' +// constraintsInvolvedIn lists. +void wxWindowBase::UnsetConstraints(wxLayoutConstraints *c) +{ + if ( c ) + { + if ( c->left.GetOtherWindow() && (c->top.GetOtherWindow() != this) ) + c->left.GetOtherWindow()->RemoveConstraintReference(this); + if ( c->top.GetOtherWindow() && (c->top.GetOtherWindow() != this) ) + c->top.GetOtherWindow()->RemoveConstraintReference(this); + if ( c->right.GetOtherWindow() && (c->right.GetOtherWindow() != this) ) + c->right.GetOtherWindow()->RemoveConstraintReference(this); + if ( c->bottom.GetOtherWindow() && (c->bottom.GetOtherWindow() != this) ) + c->bottom.GetOtherWindow()->RemoveConstraintReference(this); + if ( c->width.GetOtherWindow() && (c->width.GetOtherWindow() != this) ) + c->width.GetOtherWindow()->RemoveConstraintReference(this); + if ( c->height.GetOtherWindow() && (c->height.GetOtherWindow() != this) ) + c->height.GetOtherWindow()->RemoveConstraintReference(this); + if ( c->centreX.GetOtherWindow() && (c->centreX.GetOtherWindow() != this) ) + c->centreX.GetOtherWindow()->RemoveConstraintReference(this); + if ( c->centreY.GetOtherWindow() && (c->centreY.GetOtherWindow() != this) ) + c->centreY.GetOtherWindow()->RemoveConstraintReference(this); + } +} + +// Back-pointer to other windows we're involved with, so if we delete this +// window, we must delete any constraints we're involved with. +void wxWindowBase::AddConstraintReference(wxWindowBase *otherWin) +{ + if ( !m_constraintsInvolvedIn ) + m_constraintsInvolvedIn = new wxWindowList; + if ( !m_constraintsInvolvedIn->Find(otherWin) ) + m_constraintsInvolvedIn->Append(otherWin); +} + +// REMOVE back-pointer to other windows we're involved with. +void wxWindowBase::RemoveConstraintReference(wxWindowBase *otherWin) +{ + if ( m_constraintsInvolvedIn ) + m_constraintsInvolvedIn->DeleteObject(otherWin); +} + +// Reset any constraints that mention this window +void wxWindowBase::DeleteRelatedConstraints() +{ + if ( m_constraintsInvolvedIn ) + { + wxWindowList::Node *node = m_constraintsInvolvedIn->GetFirst(); + while (node) + { + wxWindow *win = node->GetData(); + wxLayoutConstraints *constr = win->GetConstraints(); + + // Reset any constraints involving this window + if ( constr ) + { + constr->left.ResetIfWin(this); + constr->top.ResetIfWin(this); + constr->right.ResetIfWin(this); + constr->bottom.ResetIfWin(this); + constr->width.ResetIfWin(this); + constr->height.ResetIfWin(this); + constr->centreX.ResetIfWin(this); + constr->centreY.ResetIfWin(this); + } + + wxWindowList::Node *next = node->GetNext(); + delete node; + node = next; + } + + delete m_constraintsInvolvedIn; + m_constraintsInvolvedIn = (wxWindowList *) NULL; + } +} + +void wxWindowBase::SetSizer(wxSizer *sizer) +{ + if (m_windowSizer) delete m_windowSizer; + + m_windowSizer = sizer; +} + +bool wxWindowBase::Layout() +{ + int w, h; + GetClientSize(&w, &h); + + // If there is a sizer, use it instead of the constraints + if ( GetSizer() ) + { + GetSizer()->SetDimension( 0, 0, w, h ); + return TRUE; + } + + if ( GetConstraints() ) + { + GetConstraints()->width.SetValue(w); + GetConstraints()->height.SetValue(h); + } + + // Evaluate child constraints + ResetConstraints(); // Mark all constraints as unevaluated + DoPhase(1); // Just one phase need if no sizers involved + DoPhase(2); + SetConstraintSizes(); // Recursively set the real window sizes + + return TRUE; +} + + +// Do a phase of evaluating constraints: the default behaviour. wxSizers may +// do a similar thing, but also impose their own 'constraints' and order the +// evaluation differently. +bool wxWindowBase::LayoutPhase1(int *noChanges) +{ + wxLayoutConstraints *constr = GetConstraints(); + if ( constr ) + { + return constr->SatisfyConstraints(this, noChanges); + } + else + return TRUE; +} + +bool wxWindowBase::LayoutPhase2(int *noChanges) +{ + *noChanges = 0; + + // Layout children + DoPhase(1); + DoPhase(2); + return TRUE; +} + +// Do a phase of evaluating child constraints +bool wxWindowBase::DoPhase(int phase) +{ + int noIterations = 0; + int maxIterations = 500; + int noChanges = 1; + int noFailures = 0; + wxWindowList succeeded; + while ((noChanges > 0) && (noIterations < maxIterations)) + { + noChanges = 0; + noFailures = 0; + wxWindowList::Node *node = GetChildren().GetFirst(); + while (node) + { + wxWindow *child = node->GetData(); + if ( !child->IsTopLevel() ) + { + wxLayoutConstraints *constr = child->GetConstraints(); + if ( constr ) + { + if ( !succeeded.Find(child) ) + { + int tempNoChanges = 0; + bool success = ( (phase == 1) ? child->LayoutPhase1(&tempNoChanges) : child->LayoutPhase2(&tempNoChanges) ) ; + noChanges += tempNoChanges; + if ( success ) + { + succeeded.Append(child); + } + } + } + } + node = node->GetNext(); + } + + noIterations++; + } + + return TRUE; +} + +void wxWindowBase::ResetConstraints() +{ + wxLayoutConstraints *constr = GetConstraints(); + if ( constr ) + { + constr->left.SetDone(FALSE); + constr->top.SetDone(FALSE); + constr->right.SetDone(FALSE); + constr->bottom.SetDone(FALSE); + constr->width.SetDone(FALSE); + constr->height.SetDone(FALSE); + constr->centreX.SetDone(FALSE); + constr->centreY.SetDone(FALSE); + } + wxWindowList::Node *node = GetChildren().GetFirst(); + while (node) + { + wxWindow *win = node->GetData(); + if ( !win->IsTopLevel() ) + win->ResetConstraints(); + node = node->GetNext(); + } +} + +// Need to distinguish between setting the 'fake' size for windows and sizers, +// and setting the real values. +void wxWindowBase::SetConstraintSizes(bool recurse) +{ + wxLayoutConstraints *constr = GetConstraints(); + if ( constr && constr->left.GetDone() && constr->right.GetDone( ) && + constr->width.GetDone() && constr->height.GetDone()) + { + int x = constr->left.GetValue(); + int y = constr->top.GetValue(); + int w = constr->width.GetValue(); + int h = constr->height.GetValue(); + + if ( (constr->width.GetRelationship() != wxAsIs ) || + (constr->height.GetRelationship() != wxAsIs) ) + { + SetSize(x, y, w, h); + } + else + { + // If we don't want to resize this window, just move it... + Move(x, y); + } + } + else if ( constr ) + { + wxChar *windowClass = GetClassInfo()->GetClassName(); + + wxString winName; + if ( GetName() == wxT("") ) + winName = wxT("unnamed"); + else + winName = GetName(); + wxLogDebug( wxT("Constraint(s) not satisfied for window of type %s, name %s:\n"), + (const wxChar *)windowClass, + (const wxChar *)winName); + if ( !constr->left.GetDone()) wxLogDebug( wxT(" unsatisfied 'left' constraint.\n") ); + if ( !constr->right.GetDone()) wxLogDebug( wxT(" unsatisfied 'right' constraint.\n") ); + if ( !constr->width.GetDone()) wxLogDebug( wxT(" unsatisfied 'width' constraint.\n") ); + if ( !constr->height.GetDone()) wxLogDebug( wxT(" unsatisfied 'height' constraint.\n") ); + wxLogDebug( wxT("Please check constraints: try adding AsIs() constraints.\n") ); + } + + if ( recurse ) + { + wxWindowList::Node *node = GetChildren().GetFirst(); + while (node) + { + wxWindow *win = node->GetData(); + if ( !win->IsTopLevel() ) + win->SetConstraintSizes(); + node = node->GetNext(); + } + } +} + +// Only set the size/position of the constraint (if any) +void wxWindowBase::SetSizeConstraint(int x, int y, int w, int h) +{ + wxLayoutConstraints *constr = GetConstraints(); + if ( constr ) + { + if ( x != -1 ) + { + constr->left.SetValue(x); + constr->left.SetDone(TRUE); + } + if ( y != -1 ) + { + constr->top.SetValue(y); + constr->top.SetDone(TRUE); + } + if ( w != -1 ) + { + constr->width.SetValue(w); + constr->width.SetDone(TRUE); + } + if ( h != -1 ) + { + constr->height.SetValue(h); + constr->height.SetDone(TRUE); + } + } +} + +void wxWindowBase::MoveConstraint(int x, int y) +{ + wxLayoutConstraints *constr = GetConstraints(); + if ( constr ) + { + if ( x != -1 ) + { + constr->left.SetValue(x); + constr->left.SetDone(TRUE); + } + if ( y != -1 ) + { + constr->top.SetValue(y); + constr->top.SetDone(TRUE); + } + } +} + +void wxWindowBase::GetSizeConstraint(int *w, int *h) const +{ + wxLayoutConstraints *constr = GetConstraints(); + if ( constr ) + { + *w = constr->width.GetValue(); + *h = constr->height.GetValue(); + } + else + GetSize(w, h); +} + +void wxWindowBase::GetClientSizeConstraint(int *w, int *h) const +{ + wxLayoutConstraints *constr = GetConstraints(); + if ( constr ) + { + *w = constr->width.GetValue(); + *h = constr->height.GetValue(); + } + else + GetClientSize(w, h); +} + +void wxWindowBase::GetPositionConstraint(int *x, int *y) const +{ + wxLayoutConstraints *constr = GetConstraints(); + if ( constr ) + { + *x = constr->left.GetValue(); + *y = constr->top.GetValue(); + } + else + GetPosition(x, y); +} + +#endif // wxUSE_CONSTRAINTS + +// ---------------------------------------------------------------------------- +// do Update UI processing for child controls +// ---------------------------------------------------------------------------- // TODO: should this be implemented for the child window rather // than the parent? Then you can override it e.g. for wxCheckBox // to do the Right Thing rather than having to assume a fixed number // of control classes. -#include "wx/checkbox.h" -#include "wx/radiobut.h" - -void wxWindow::UpdateWindowUI() +void wxWindowBase::UpdateWindowUI() { - wxWindowID id = GetId(); - if (id > 0) - { - wxUpdateUIEvent event(id); + wxUpdateUIEvent event(GetId()); event.m_eventObject = this; - if (this->GetEventHandler()->ProcessEvent(event)) - { - if (event.GetSetEnabled()) - this->Enable(event.GetEnabled()); - - if (event.GetSetText() && this->IsKindOf(CLASSINFO(wxControl))) - ((wxControl*)this)->SetLabel(event.GetText()); - - if (this->IsKindOf(CLASSINFO(wxCheckBox))) - { - if (event.GetSetChecked()) - ((wxCheckBox *) this)->SetValue(event.GetChecked()); - } - // @@@ No radio buttons in wxGTK yet -#ifndef __WXGTK__ - else if (this->IsKindOf(CLASSINFO(wxRadioButton))) - { - if (event.GetSetChecked()) - ((wxRadioButton *) this)->SetValue(event.GetChecked()); - } -#endif + if ( GetEventHandler()->ProcessEvent(event) ) + { + if ( event.GetSetEnabled() ) + Enable(event.GetEnabled()); + + if ( event.GetSetText() ) + { + wxControl *control = wxDynamicCast(this, wxControl); + if ( control ) + { + wxTextCtrl *text = wxDynamicCast(control, wxTextCtrl); + if ( text ) + text->SetValue(event.GetText()); + else + control->SetLabel(event.GetText()); + } + } + +#if wxUSE_CHECKBOX + wxCheckBox *checkbox = wxDynamicCast(this, wxCheckBox); + if ( checkbox ) + { + if ( event.GetSetChecked() ) + checkbox->SetValue(event.GetChecked()); + } +#endif // wxUSE_CHECKBOX + +#if wxUSE_RADIOBUTTON + wxRadioButton *radiobtn = wxDynamicCast(this, wxRadioButton); + if ( radiobtn ) + { + if ( event.GetSetChecked() ) + radiobtn->SetValue(event.GetChecked()); + } +#endif // wxUSE_RADIOBUTTON + } +} + +// ---------------------------------------------------------------------------- +// dialog units translations +// ---------------------------------------------------------------------------- + +wxPoint wxWindowBase::ConvertPixelsToDialog(const wxPoint& pt) +{ + int charWidth = GetCharWidth(); + int charHeight = GetCharHeight(); + wxPoint pt2(-1, -1); + if (pt.x != -1) + pt2.x = (int) ((pt.x * 4) / charWidth) ; + if (pt.y != -1) + pt2.y = (int) ((pt.y * 8) / charHeight) ; + + return pt2; +} + +wxPoint wxWindowBase::ConvertDialogToPixels(const wxPoint& pt) +{ + int charWidth = GetCharWidth(); + int charHeight = GetCharHeight(); + wxPoint pt2(-1, -1); + if (pt.x != -1) + pt2.x = (int) ((pt.x * charWidth) / 4) ; + if (pt.y != -1) + pt2.y = (int) ((pt.y * charHeight) / 8) ; + + return pt2; +} + +// ---------------------------------------------------------------------------- +// client data +// ---------------------------------------------------------------------------- + +void wxWindowBase::DoSetClientObject( wxClientData *data ) +{ + wxASSERT_MSG( m_clientDataType != ClientData_Void, + wxT("can't have both object and void client data") ); + + if ( m_clientObject ) + delete m_clientObject; + + m_clientObject = data; + m_clientDataType = ClientData_Object; +} + +wxClientData *wxWindowBase::DoGetClientObject() const +{ + wxASSERT_MSG( m_clientDataType == ClientData_Object, + wxT("this window doesn't have object client data") ); + + return m_clientObject; +} + +void wxWindowBase::DoSetClientData( void *data ) +{ + wxASSERT_MSG( m_clientDataType != ClientData_Object, + wxT("can't have both object and void client data") ); + + m_clientData = data; + m_clientDataType = ClientData_Void; +} + +void *wxWindowBase::DoGetClientData() const +{ + wxASSERT_MSG( m_clientDataType == ClientData_Void, + wxT("this window doesn't have void client data") ); + + return m_clientData; +} + +// ---------------------------------------------------------------------------- +// event handlers +// ---------------------------------------------------------------------------- + +// propagate the colour change event to the subwindows +void wxWindowBase::OnSysColourChanged(wxSysColourChangedEvent& event) +{ + wxWindowList::Node *node = GetChildren().GetFirst(); + while ( node ) + { + // Only propagate to non-top-level windows + wxWindow *win = node->GetData(); + if ( !win->IsTopLevel() ) + { + wxSysColourChangedEvent event2; + event.m_eventObject = win; + win->GetEventHandler()->ProcessEvent(event2); + } + + node = node->GetNext(); } - } } + +// the default action is to populate dialog with data when it's created +void wxWindowBase::OnInitDialog( wxInitDialogEvent &WXUNUSED(event) ) +{ + TransferDataToWindow(); +} + +// ---------------------------------------------------------------------------- +// list classes implementation +// ---------------------------------------------------------------------------- + +void wxWindowListNode::DeleteData() +{ + delete (wxWindow *)GetData(); +} +