X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/7d9fd0047471220c860d0e5a15feb1c052a95c5a..777819af7b7b4ad98ac69a7cd5a96728c197b1fc:/src/common/wincmn.cpp diff --git a/src/common/wincmn.cpp b/src/common/wincmn.cpp index 0bc84593e1..5b3a22d1d8 100644 --- a/src/common/wincmn.cpp +++ b/src/common/wincmn.cpp @@ -1,12 +1,12 @@ ///////////////////////////////////////////////////////////////////////////// -// Name: common/window.cpp +// Name: src/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) wxWindows team -// Licence: wxWindows license +// Copyright: (c) wxWidgets team +// Licence: wxWindows licence ///////////////////////////////////////////////////////////////////////////// // ============================================================================ @@ -17,10 +17,6 @@ // headers // ---------------------------------------------------------------------------- -#ifdef __GNUG__ - #pragma implementation "windowbase.h" -#endif - // For compilers that support precompilation, includes "wx.h". #include "wx/wxprec.h" @@ -33,25 +29,36 @@ #include "wx/log.h" #include "wx/intl.h" #include "wx/frame.h" - #include "wx/defs.h" #include "wx/window.h" + #include "wx/control.h" #include "wx/checkbox.h" #include "wx/radiobut.h" + #include "wx/statbox.h" #include "wx/textctrl.h" #include "wx/settings.h" #include "wx/dialog.h" #include "wx/msgdlg.h" -#endif //WX_PRECOMP - -#if wxUSE_CONSTRAINTS + #include "wx/statusbr.h" + #include "wx/toolbar.h" + #include "wx/dcclient.h" + #include "wx/scrolbar.h" #include "wx/layout.h" #include "wx/sizer.h" -#endif // wxUSE_CONSTRAINTS + #include "wx/menu.h" +#endif //WX_PRECOMP #if wxUSE_DRAG_AND_DROP #include "wx/dnd.h" #endif // wxUSE_DRAG_AND_DROP +#if wxUSE_ACCESSIBILITY + #include "wx/access.h" +#endif + +#if wxUSE_HELP + #include "wx/cshelp.h" +#endif // wxUSE_HELP + #if wxUSE_TOOLTIPS #include "wx/tooltip.h" #endif // wxUSE_TOOLTIPS @@ -60,11 +67,34 @@ #include "wx/caret.h" #endif // wxUSE_CARET +#if wxUSE_SYSTEM_OPTIONS + #include "wx/sysopt.h" +#endif + +// For reporting compile- and runtime version of GTK+ in the ctrl+alt+mclick dialog. +// The gtk includes don't pull any other headers in, at least not on my system - MR +#ifdef __WXGTK__ + #ifdef __WXGTK20__ + #include + #else + #include + #endif +#endif + +#include "wx/platinfo.h" + +// Windows List +WXDLLIMPEXP_DATA_CORE(wxWindowList) wxTopLevelWindows; + +// globals +#if wxUSE_MENUS +wxMenu *wxCurrentPopupMenu = NULL; +#endif // wxUSE_MENUS + // ---------------------------------------------------------------------------- // static data // ---------------------------------------------------------------------------- -int wxWindowBase::ms_lastControlId = -200; IMPLEMENT_ABSTRACT_CLASS(wxWindowBase, wxEvtHandler) @@ -76,6 +106,11 @@ BEGIN_EVENT_TABLE(wxWindowBase, wxEvtHandler) EVT_SYS_COLOUR_CHANGED(wxWindowBase::OnSysColourChanged) EVT_INIT_DIALOG(wxWindowBase::OnInitDialog) EVT_MIDDLE_DOWN(wxWindowBase::OnMiddleClick) + +#if wxUSE_HELP + EVT_HELP(wxID_ANY, wxWindowBase::OnHelp) +#endif // wxUSE_HELP + END_EVENT_TABLE() // ============================================================================ @@ -87,26 +122,24 @@ END_EVENT_TABLE() // ---------------------------------------------------------------------------- // the default initialization -void wxWindowBase::InitBase() +wxWindowBase::wxWindowBase() { // no window yet, no parent nor children m_parent = (wxWindow *)NULL; - m_windowId = -1; - m_children.DeleteContents( FALSE ); // don't auto delete node data + m_windowId = wxID_ANY; // no constraints on the minimal window size m_minWidth = + m_maxWidth = wxDefaultCoord; m_minHeight = - m_maxWidth = - m_maxHeight = -1; + m_maxHeight = wxDefaultCoord; - // window is created enabled but it's not visible yet - m_isShown = FALSE; - m_isEnabled = TRUE; + // invalidiated cache value + m_bestSizeCache = wxDefaultSize; - // no client data (yet) - m_clientData = NULL; - m_clientDataType = ClientData_None; + // window are created enabled and visible by default + m_isShown = + m_isEnabled = true; // the default event handler is just this window m_eventHandler = this; @@ -116,35 +149,31 @@ void wxWindowBase::InitBase() 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? - m_foregroundColour = wxSystemSettings::GetSystemColour(wxSYS_COLOUR_WINDOWTEXT); + // the colours/fonts are default for now, so leave m_font, + // m_backgroundColour and m_foregroundColour uninitialized and set those + m_hasBgCol = + m_hasFgCol = + m_hasFont = false; + m_inheritBgCol = + m_inheritFgCol = + m_inheritFont = false; - // GRG, changed Mar/2000 -#if 0 // !defined(__WXMAC__) && !defined(__WXGTK__) - m_font = *wxSWISS_FONT; // and this? -#else - m_font = settings.GetSystemFont(wxSYS_DEFAULT_GUI_FONT); -#endif // no style bits m_exStyle = m_windowStyle = 0; - // an optimization for the event processing: checking this flag is much - // faster than using IsKindOf(CLASSINFO(wxWindow)) - m_isWindow = TRUE; + m_backgroundStyle = wxBG_STYLE_SYSTEM; #if wxUSE_CONSTRAINTS // no constraints whatsoever m_constraints = (wxLayoutConstraints *) NULL; m_constraintsInvolvedIn = (wxWindowList *) NULL; - m_windowSizer = (wxSizer *) NULL; - m_autoLayout = FALSE; #endif // wxUSE_CONSTRAINTS + m_windowSizer = (wxSizer *) NULL; + m_containingSizer = (wxSizer *) NULL; + m_autoLayout = false; + #if wxUSE_DRAG_AND_DROP m_dropTarget = (wxDropTarget *)NULL; #endif // wxUSE_DRAG_AND_DROP @@ -156,6 +185,34 @@ void wxWindowBase::InitBase() #if wxUSE_CARET m_caret = (wxCaret *)NULL; #endif // wxUSE_CARET + +#if wxUSE_PALETTE + m_hasCustomPalette = false; +#endif // wxUSE_PALETTE + +#if wxUSE_ACCESSIBILITY + m_accessible = NULL; +#endif + + m_virtualSize = wxDefaultSize; + + m_scrollHelper = (wxScrollHelper *) NULL; + + m_windowVariant = wxWINDOW_VARIANT_NORMAL; +#if wxUSE_SYSTEM_OPTIONS + if ( wxSystemOptions::HasOption(wxWINDOW_DEFAULT_VARIANT) ) + { + m_windowVariant = (wxWindowVariant) wxSystemOptions::GetOptionInt( wxWINDOW_DEFAULT_VARIANT ) ; + } +#endif + + // Whether we're using the current theme for this window (wxGTK only for now) + m_themeEnabled = false; + + // VZ: this one shouldn't exist... + m_isBeingDeleted = false; + + m_freezeCount = 0; } // common part of window creation process @@ -164,19 +221,43 @@ bool wxWindowBase::CreateBase(wxWindowBase *parent, const wxPoint& WXUNUSED(pos), const wxSize& WXUNUSED(size), long style, - const wxValidator& validator, + const wxValidator& wxVALIDATOR_PARAM(validator), 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!") ); +#if wxUSE_STATBOX + // wxGTK doesn't allow to create controls with static box as the parent so + // this will result in a crash when the program is ported to wxGTK so warn + // the user about it + + // if you get this assert, the correct solution is to create the controls + // as siblings of the static box + wxASSERT_MSG( !parent || !wxDynamicCast(parent, wxStaticBox), + _T("wxStaticBox can't be used as a window parent!") ); +#endif // wxUSE_STATBOX + + // ids are limited to 16 bits under MSW so if you care about portability, + // it's not a good idea to use ids out of this range (and negative ids are + // reserved for wxWidgets own usage) + wxASSERT_MSG( id == wxID_ANY || (id >= 0 && id < 32767) || + (id >= wxID_AUTO_LOWEST && id <= wxID_AUTO_HIGHEST), + _T("invalid id value") ); // generate a new id if the user doesn't care about it - m_windowId = id == -1 ? NewControlId() : id; + if ( id == wxID_ANY ) + { + m_windowId = NewControlId(); + } + else // valid id specified + { + m_windowId = id; + } + + // don't use SetWindowStyleFlag() here, this function should only be called + // to change the flag after creation as it tries to reflect the changes in + // flags by updating the window dynamically and we don't need this here + m_windowStyle = style; SetName(name); - SetWindowStyleFlag(style); SetParent(parent); #if wxUSE_VALIDATORS @@ -188,10 +269,32 @@ bool wxWindowBase::CreateBase(wxWindowBase *parent, // dialog/frame and all children will inherit it by defult if ( parent && (parent->GetExtraStyle() & wxWS_EX_VALIDATE_RECURSIVELY) ) { - SetExtraStyle(wxWS_EX_VALIDATE_RECURSIVELY); + SetExtraStyle(GetExtraStyle() | wxWS_EX_VALIDATE_RECURSIVELY); + } + + return true; +} + +bool wxWindowBase::ToggleWindowStyle(int flag) +{ + wxASSERT_MSG( flag, _T("flags with 0 value can't be toggled") ); + + bool rc; + long style = GetWindowStyleFlag(); + if ( style & flag ) + { + style &= ~flag; + rc = false; + } + else // currently off + { + style |= flag; + rc = true; } - return TRUE; + SetWindowStyleFlag(style); + + return rc; } // ---------------------------------------------------------------------------- @@ -201,6 +304,8 @@ bool wxWindowBase::CreateBase(wxWindowBase *parent, // common clean up wxWindowBase::~wxWindowBase() { + wxASSERT_MSG( GetCapture() != this, wxT("attempt to destroy window with mouse capture") ); + // FIXME if these 2 cases result from programming errors in the user code // we should probably assert here instead of silently fixing them @@ -210,34 +315,29 @@ wxWindowBase::~wxWindowBase() // Just in case we've loaded a top-level window via LoadNativeDialog but // we weren't a dialog class - wxTopLevelWindows.DeleteObject(this); + wxTopLevelWindows.DeleteObject((wxWindow*)this); + +#if wxUSE_MENUS + // The associated popup menu can still be alive, disassociate from it in + // this case + if ( wxCurrentPopupMenu && wxCurrentPopupMenu->GetInvokingWindow() == this ) + wxCurrentPopupMenu->SetInvokingWindow(NULL); +#endif // wxUSE_MENUS 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); - } - } + // notify the parent about this window destruction + if ( m_parent ) + m_parent->RemoveChild(this); #if wxUSE_CARET - if ( m_caret ) - delete m_caret; + delete m_caret; #endif // wxUSE_CARET #if wxUSE_VALIDATORS - if ( m_windowValidator ) - delete 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. @@ -251,47 +351,63 @@ wxWindowBase::~wxWindowBase() delete m_constraints; m_constraints = NULL; } +#endif // wxUSE_CONSTRAINTS - if ( m_windowSizer ) - delete m_windowSizer; + if ( m_containingSizer ) + m_containingSizer->Detach( (wxWindow*)this ); -#endif // wxUSE_CONSTRAINTS + delete m_windowSizer; #if wxUSE_DRAG_AND_DROP - if ( m_dropTarget ) - delete m_dropTarget; + delete m_dropTarget; #endif // wxUSE_DRAG_AND_DROP #if wxUSE_TOOLTIPS - if ( m_tooltip ) - delete m_tooltip; + delete m_tooltip; #endif // wxUSE_TOOLTIPS + +#if wxUSE_ACCESSIBILITY + delete m_accessible; +#endif + +#if wxUSE_HELP + // NB: this has to be called unconditionally, because we don't know + // whether this window has associated help text or not + wxHelpProvider *helpProvider = wxHelpProvider::Get(); + if ( helpProvider ) + helpProvider->RemoveHelp(this); +#endif +} + +void wxWindowBase::SendDestroyEvent() +{ + wxWindowDestroyEvent event; + event.SetEventObject(this); + event.SetId(GetId()); + GetEventHandler()->ProcessEvent(event); } bool wxWindowBase::Destroy() { delete this; - return TRUE; + 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 + // 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; + wxWindowList::compatibility_iterator node; for ( ;; ) { // we iterate until the list becomes empty @@ -301,15 +417,17 @@ bool wxWindowBase::DestroyChildren() wxWindow *child = node->GetData(); - wxASSERT_MSG( child, wxT("children list contains empty nodes") ); - + // note that we really want to call delete and not ->Destroy() here + // because we want to delete the child immediately, before we are + // deleted, and delayed deletion would result in problems as our (top + // level) child could outlive its parent delete child; wxASSERT_MSG( !GetChildren().Find(child), wxT("child didn't remove itself using RemoveChild()") ); } - return TRUE; + return true; } // ---------------------------------------------------------------------------- @@ -317,84 +435,131 @@ bool wxWindowBase::DestroyChildren() // ---------------------------------------------------------------------------- // centre the window with respect to its parent in either (or both) directions -void wxWindowBase::Centre(int direction) +void wxWindowBase::DoCentre(int dir) { - int widthParent, heightParent; + wxCHECK_RET( !(dir & wxCENTRE_ON_SCREEN) && GetParent(), + _T("this method only implements centering child windows") ); - wxWindow *parent = GetParent(); - if ( !parent ) - { - // no other choice - direction |= wxCENTRE_ON_SCREEN; - } + SetSize(GetRect().CentreIn(GetParent()->GetClientSize(), dir)); +} - if ( direction & wxCENTRE_ON_SCREEN ) +// fits the window around the children +void wxWindowBase::Fit() +{ + if ( !GetChildren().empty() ) { - // centre with respect to the whole screen - wxDisplaySize(&widthParent, &heightParent); + SetSize(GetBestSize()); } - else + //else: do nothing if we have no children +} + +// fits virtual size (ie. scrolled area etc.) around children +void wxWindowBase::FitInside() +{ + if ( GetChildren().GetCount() > 0 ) { - // centre inside the parents rectangle - parent->GetClientSize(&widthParent, &heightParent); + SetVirtualSize( GetBestVirtualSize() ); } +} - 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; +// On Mac, scrollbars are explicitly children. +#ifdef __WXMAC__ +static bool wxHasRealChildren(const wxWindowBase* win) +{ + int realChildCount = 0; - // controls are always centered on their parent because it doesn't make - // sense to centre them on the screen - if ( !(direction & wxCENTRE_ON_SCREEN) || !IsTopLevel() ) + for ( wxWindowList::compatibility_iterator node = win->GetChildren().GetFirst(); + node; + node = node->GetNext() ) { - // the only chance to get this is to have a not top level window - // without parent which shouldn't happen - wxCHECK_RET( parent, wxT("this window must have a parent") ); - - // adjust to the parents client area origin - wxPoint posParent = parent->ClientToScreen(wxPoint(0, 0)); - - xNew += posParent.x; - yNew += posParent.y; + wxWindow *win = node->GetData(); + if ( !win->IsTopLevel() && win->IsShown() && !win->IsKindOf(CLASSINFO(wxScrollBar))) + realChildCount ++; } - - // move the centre of this window to this position - Move(xNew, yNew); + return (realChildCount > 0); } +#endif -// fits the window around the children -void wxWindowBase::Fit() +void wxWindowBase::InvalidateBestSize() { - if ( GetChildren().GetCount() > 0 ) - { - SetClientSize(DoGetBestSize()); - } - //else: do nothing if we have no children + m_bestSizeCache = wxDefaultSize; + + // parent's best size calculation may depend on its children's + // as long as child window we are in is not top level window itself + // (because the TLW size is never resized automatically) + // so let's invalidate it as well to be safe: + if (m_parent && !IsTopLevel()) + m_parent->InvalidateBestSize(); } // return the size best suited for the current window wxSize wxWindowBase::DoGetBestSize() const { - if ( GetChildren().GetCount() > 0 ) + wxSize best; + + if ( m_windowSizer ) + { + best = m_windowSizer->GetMinSize(); + } +#if wxUSE_CONSTRAINTS + else if ( m_constraints ) { + wxConstCast(this, wxWindowBase)->SatisfyConstraints(); + // our minimal acceptable size is such that all our windows fit inside int maxX = 0, maxY = 0; - for ( wxWindowList::Node *node = GetChildren().GetFirst(); + for ( wxWindowList::compatibility_iterator node = GetChildren().GetFirst(); + node; + node = node->GetNext() ) + { + wxLayoutConstraints *c = node->GetData()->GetConstraints(); + if ( !c ) + { + // it's not normal that we have an unconstrained child, but + // what can we do about it? + continue; + } + + int x = c->right.GetValue(), + y = c->bottom.GetValue(); + + if ( x > maxX ) + maxX = x; + + if ( y > maxY ) + maxY = y; + + // TODO: we must calculate the overlaps somehow, otherwise we + // will never return a size bigger than the current one :-( + } + + best = wxSize(maxX, maxY); + } +#endif // wxUSE_CONSTRAINTS + else if ( !GetChildren().empty() +#ifdef __WXMAC__ + && wxHasRealChildren(this) +#endif + ) + { + // our minimal acceptable size is such that all our visible child + // windows fit inside + int maxX = 0, + maxY = 0; + + for ( wxWindowList::compatibility_iterator node = GetChildren().GetFirst(); node; node = node->GetNext() ) { wxWindow *win = node->GetData(); - if ( win->IsTopLevel() || wxDynamicCast(win, wxStatusBar) ) + if ( win->IsTopLevel() + || !win->IsShown() +#if wxUSE_STATUSBAR + || wxDynamicCast(win, wxStatusBar) +#endif // wxUSE_STATUSBAR + ) { // dialogs and frames lie in different top level windows - // don't deal with them here; as for the status bars, they @@ -407,9 +572,9 @@ wxSize wxWindowBase::DoGetBestSize() const // if the window hadn't been positioned yet, assume that it is in // the origin - if ( wx == -1 ) + if ( wx == wxDefaultCoord ) wx = 0; - if ( wy == -1 ) + if ( wy == wxDefaultCoord ) wy = 0; win->GetSize(&ww, &wh); @@ -419,453 +584,1237 @@ wxSize wxWindowBase::DoGetBestSize() const maxY = wy + wh; } - // leave a margin - return wxSize(maxX + 7, maxY + 14); + best = wxSize(maxX, maxY); } - else + else // ! has children { - // for a generic window there is no natural best size - just use the - // current one - return GetSize(); + // for a generic window there is no natural best size so, if the + // minimal size is not set, use the current size but take care to + // remember it as minimal size for the next time because our best size + // should be constant: otherwise we could get into a situation when the + // window is initially at some size, then expanded to a larger size and + // then, when the containing window is shrunk back (because our initial + // best size had been used for computing the parent min size), we can't + // be shrunk back any more because our best size is now bigger + wxSize size = GetMinSize(); + if ( !size.IsFullySpecified() ) + { + size.SetDefaults(GetSize()); + wxConstCast(this, wxWindowBase)->SetMinSize(size); + } + + // return as-is, unadjusted by the client size difference. + return size; } -} -// 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; -} + // Add any difference between size and client size + wxSize diff = GetSize() - GetClientSize(); + best.x += wxMax(0, diff.x); + best.y += wxMax(0, diff.y); -// ---------------------------------------------------------------------------- -// show/hide/enable/disable the window -// ---------------------------------------------------------------------------- + return best; +} -bool wxWindowBase::Show(bool show) +// helper of GetWindowBorderSize(): as many ports don't implement support for +// wxSYS_BORDER/EDGE_X/Y metrics in their wxSystemSettings, use hard coded +// fallbacks in this case +static int wxGetMetricOrDefault(wxSystemMetric what) { - if ( show != m_isShown ) - { - m_isShown = show; - - return TRUE; - } - else + int rc = wxSystemSettings::GetMetric(what); + if ( rc == -1 ) { - return FALSE; + switch ( what ) + { + case wxSYS_BORDER_X: + case wxSYS_BORDER_Y: + // 2D border is by default 1 pixel wide + rc = 1; + break; + + case wxSYS_EDGE_X: + case wxSYS_EDGE_Y: + // 3D borders are by default 2 pixels + rc = 2; + break; + + default: + wxFAIL_MSG( _T("unexpected wxGetMetricOrDefault() argument") ); + rc = 0; + } } + + return rc; } -bool wxWindowBase::Enable(bool enable) +wxSize wxWindowBase::GetWindowBorderSize() const { - if ( enable != m_isEnabled ) + wxSize size; + + switch ( GetBorder() ) { - m_isEnabled = enable; + case wxBORDER_NONE: + // nothing to do, size is already (0, 0) + break; + + case wxBORDER_SIMPLE: + case wxBORDER_STATIC: + size.x = wxGetMetricOrDefault(wxSYS_BORDER_X); + size.y = wxGetMetricOrDefault(wxSYS_BORDER_Y); + break; + + case wxBORDER_SUNKEN: + case wxBORDER_RAISED: + size.x = wxMax(wxGetMetricOrDefault(wxSYS_EDGE_X), + wxGetMetricOrDefault(wxSYS_BORDER_X)); + size.y = wxMax(wxGetMetricOrDefault(wxSYS_EDGE_Y), + wxGetMetricOrDefault(wxSYS_BORDER_Y)); + break; + + case wxBORDER_DOUBLE: + size.x = wxGetMetricOrDefault(wxSYS_EDGE_X) + + wxGetMetricOrDefault(wxSYS_BORDER_X); + size.y = wxGetMetricOrDefault(wxSYS_EDGE_Y) + + wxGetMetricOrDefault(wxSYS_BORDER_Y); + break; - return TRUE; + default: + wxFAIL_MSG(_T("Unknown border style.")); + break; } - else + + // we have borders on both sides + return size*2; +} + +wxSize wxWindowBase::GetEffectiveMinSize() const +{ + // merge the best size with the min size, giving priority to the min size + wxSize min = GetMinSize(); + if (min.x == wxDefaultCoord || min.y == wxDefaultCoord) { - return FALSE; + wxSize best = GetBestSize(); + if (min.x == wxDefaultCoord) min.x = best.x; + if (min.y == wxDefaultCoord) min.y = best.y; } + return min; } -// ---------------------------------------------------------------------------- -// RTTI -// ---------------------------------------------------------------------------- -bool wxWindowBase::IsTopLevel() const + +void wxWindowBase::SetInitialSize(const wxSize& size) { - return FALSE; + // Set the min size to the size passed in. This will usually either be + // wxDefaultSize or the size passed to this window's ctor/Create function. + SetMinSize(size); + + // Merge the size with the best size if needed + wxSize best = GetEffectiveMinSize(); + + // If the current size doesn't match then change it + if (GetSize() != best) + SetSize(best); } -// ---------------------------------------------------------------------------- -// reparenting the window -// ---------------------------------------------------------------------------- -void wxWindowBase::AddChild(wxWindowBase *child) +// by default the origin is not shifted +wxPoint wxWindowBase::GetClientAreaOrigin() const { - wxCHECK_RET( child, wxT("can't add a NULL child") ); + return wxPoint(0,0); +} - GetChildren().Append(child); - child->SetParent(this); +wxSize wxWindowBase::ClientToWindowSize(const wxSize& size) const +{ + const wxSize diff(GetSize() - GetClientSize()); + + return wxSize(size.x == -1 ? -1 : size.x + diff.x, + size.y == -1 ? -1 : size.y + diff.y); } -void wxWindowBase::RemoveChild(wxWindowBase *child) +wxSize wxWindowBase::WindowToClientSize(const wxSize& size) const { - wxCHECK_RET( child, wxT("can't remove a NULL child") ); + const wxSize diff(GetSize() - GetClientSize()); - GetChildren().DeleteObject(child); - child->SetParent((wxWindow *)NULL); + return wxSize(size.x == -1 ? -1 : size.x - diff.x, + size.y == -1 ? -1 : size.y - diff.y); } -bool wxWindowBase::Reparent(wxWindowBase *newParent) +void wxWindowBase::SetWindowVariant( wxWindowVariant variant ) { - wxWindow *oldParent = GetParent(); - if ( newParent == oldParent ) + if ( m_windowVariant != variant ) { - // nothing done - return FALSE; - } + m_windowVariant = variant; - // unlink this window from the existing parent. - if ( oldParent ) - { - oldParent->RemoveChild(this); - } - else - { - wxTopLevelWindows.DeleteObject(this); + DoSetWindowVariant(variant); } +} - // add it to the new one - if ( newParent ) - { - newParent->AddChild(this); - } - else +void wxWindowBase::DoSetWindowVariant( wxWindowVariant variant ) +{ + // adjust the font height to correspond to our new variant (notice that + // we're only called if something really changed) + wxFont font = GetFont(); + int size = font.GetPointSize(); + switch ( variant ) { - wxTopLevelWindows.Append(this); - } + case wxWINDOW_VARIANT_NORMAL: + break; - return TRUE; -} + case wxWINDOW_VARIANT_SMALL: + size *= 3; + size /= 4; + break; -// ---------------------------------------------------------------------------- -// event handler stuff -// ---------------------------------------------------------------------------- + case wxWINDOW_VARIANT_MINI: + size *= 2; + size /= 3; + break; -void wxWindowBase::PushEventHandler(wxEvtHandler *handler) -{ - handler->SetNextHandler(GetEventHandler()); - SetEventHandler(handler); + case wxWINDOW_VARIANT_LARGE: + size *= 5; + size /= 4; + break; + + default: + wxFAIL_MSG(_T("unexpected window variant")); + break; + } + + font.SetPointSize(size); + SetFont(font); } -wxEvtHandler *wxWindowBase::PopEventHandler(bool deleteHandler) +void wxWindowBase::DoSetSizeHints( int minW, int minH, + int maxW, int maxH, + int WXUNUSED(incW), int WXUNUSED(incH) ) { - wxEvtHandler *handlerA = GetEventHandler(); - if ( handlerA ) - { - wxEvtHandler *handlerB = handlerA->GetNextHandler(); - handlerA->SetNextHandler((wxEvtHandler *)NULL); - SetEventHandler(handlerB); - if ( deleteHandler ) - { - delete handlerA; - handlerA = (wxEvtHandler *)NULL; - } - } + wxCHECK_RET( (minW == wxDefaultCoord || maxW == wxDefaultCoord || minW <= maxW) && + (minH == wxDefaultCoord || maxH == wxDefaultCoord || minH <= maxH), + _T("min width/height must be less than max width/height!") ); - return handlerA; + m_minWidth = minW; + m_maxWidth = maxW; + m_minHeight = minH; + m_maxHeight = maxH; } -// ---------------------------------------------------------------------------- -// cursors, fonts &c -// ---------------------------------------------------------------------------- -bool wxWindowBase::SetBackgroundColour( const wxColour &colour ) +#if WXWIN_COMPATIBILITY_2_8 +void wxWindowBase::SetVirtualSizeHints(int WXUNUSED(minW), int WXUNUSED(minH), + int WXUNUSED(maxW), int WXUNUSED(maxH)) { - if ( !colour.Ok() || (colour == m_backgroundColour) ) - return FALSE; +} - m_backgroundColour = colour; +void wxWindowBase::SetVirtualSizeHints(const wxSize& WXUNUSED(minsize), + const wxSize& WXUNUSED(maxsize)) +{ +} +#endif // WXWIN_COMPATIBILITY_2_8 - return TRUE; +void wxWindowBase::DoSetVirtualSize( int x, int y ) +{ + m_virtualSize = wxSize(x, y); } -bool wxWindowBase::SetForegroundColour( const wxColour &colour ) +wxSize wxWindowBase::DoGetVirtualSize() const { - if ( !colour.Ok() || (colour == m_foregroundColour) ) - return FALSE; + // we should use the entire client area so if it is greater than our + // virtual size, expand it to fit (otherwise if the window is big enough we + // wouldn't be using parts of it) + wxSize size = GetClientSize(); + if ( m_virtualSize.x > size.x ) + size.x = m_virtualSize.x; - m_foregroundColour = colour; + if ( m_virtualSize.y >= size.y ) + size.y = m_virtualSize.y; - return TRUE; + return size; } -bool wxWindowBase::SetCursor(const wxCursor& cursor) +void wxWindowBase::DoGetScreenPosition(int *x, int *y) const { - // setting an invalid cursor is ok, it means that we don't have any special - // cursor - if ( m_cursor == cursor ) - { - // no change - return FALSE; - } - - m_cursor = cursor; - - return TRUE; + // screen position is the same as (0, 0) in client coords for non TLWs (and + // TLWs override this method) + if ( x ) + *x = 0; + if ( y ) + *y = 0; + + ClientToScreen(x, y); } -bool wxWindowBase::SetFont(const wxFont& font) +// ---------------------------------------------------------------------------- +// show/hide/enable/disable the window +// ---------------------------------------------------------------------------- + +bool wxWindowBase::Show(bool show) { - // don't try to set invalid font, always fall back to the default - const wxFont& fontOk = font.Ok() ? font : *wxSWISS_FONT; + if ( show != m_isShown ) + { + m_isShown = show; - if ( (wxFont&)fontOk == m_font ) + return true; + } + else { - // no change - return FALSE; + return false; } +} - m_font = fontOk; - - return TRUE; +bool wxWindowBase::IsEnabled() const +{ + return IsThisEnabled() && (IsTopLevel() || !GetParent() || GetParent()->IsEnabled()); } -#if wxUSE_CARET -void wxWindowBase::SetCaret(wxCaret *caret) +void wxWindowBase::NotifyWindowOnEnableChange(bool enabled) { - if ( m_caret ) +#ifndef wxHAS_NATIVE_ENABLED_MANAGEMENT + DoEnable(enabled); +#endif // !defined(wxHAS_NATIVE_ENABLED_MANAGEMENT) + + OnEnabled(enabled); + + // If we are top-level then the logic doesn't apply - otherwise + // showing a modal dialog would result in total greying out (and ungreying + // out later) of everything which would be really ugly + if ( IsTopLevel() ) + return; + + for ( wxWindowList::compatibility_iterator node = GetChildren().GetFirst(); + node; + node = node->GetNext() ) { - delete m_caret; + wxWindowBase * const child = node->GetData(); + if ( !child->IsTopLevel() && child->IsThisEnabled() ) + child->NotifyWindowOnEnableChange(enabled); } +} - m_caret = caret; +bool wxWindowBase::Enable(bool enable) +{ + if ( enable == IsThisEnabled() ) + return false; - if ( m_caret ) + m_isEnabled = enable; + +#ifdef wxHAS_NATIVE_ENABLED_MANAGEMENT + DoEnable(enable); +#else // !defined(wxHAS_NATIVE_ENABLED_MANAGEMENT) + wxWindowBase * const parent = GetParent(); + if( !IsTopLevel() && parent && !parent->IsEnabled() ) { - wxASSERT_MSG( m_caret->GetWindow() == this, - wxT("caret should be created associated to this window") ); + return true; } +#endif // !defined(wxHAS_NATIVE_ENABLED_MANAGEMENT) + + NotifyWindowOnEnableChange(enable); + + return true; +} + +bool wxWindowBase::IsShownOnScreen() const +{ + // A window is shown on screen if it itself is shown and so are all its + // parents. But if a window is toplevel one, then its always visible on + // screen if IsShown() returns true, even if it has a hidden parent. + return IsShown() && + (IsTopLevel() || GetParent() == NULL || GetParent()->IsShownOnScreen()); } -#endif // wxUSE_CARET -#if wxUSE_VALIDATORS // ---------------------------------------------------------------------------- -// validators +// RTTI // ---------------------------------------------------------------------------- -void wxWindowBase::SetValidator(const wxValidator& validator) +bool wxWindowBase::IsTopLevel() const { - if ( m_windowValidator ) - delete m_windowValidator; - - m_windowValidator = (wxValidator *)validator.Clone(); - - if ( m_windowValidator ) - m_windowValidator->SetWindow(this) ; + return false; } -#endif // wxUSE_VALIDATORS // ---------------------------------------------------------------------------- -// update region testing +// Freeze/Thaw // ---------------------------------------------------------------------------- -bool wxWindowBase::IsExposed(int x, int y) const +void wxWindowBase::Freeze() { - return m_updateRegion.Contains(x, y) != wxOutRegion; + if ( !m_freezeCount++ ) + { + // physically freeze this window: + DoFreeze(); + + // and recursively freeze all children: + for ( wxWindowList::iterator i = GetChildren().begin(); + i != GetChildren().end(); ++i ) + { + wxWindow *child = *i; + if ( child->IsTopLevel() ) + continue; + + child->Freeze(); + } + } } -bool wxWindowBase::IsExposed(int x, int y, int w, int h) const +void wxWindowBase::Thaw() { - return m_updateRegion.Contains(x, y, w, h) != wxOutRegion; + wxASSERT_MSG( m_freezeCount, "Thaw() without matching Freeze()" ); + + if ( !--m_freezeCount ) + { + // recursively thaw all children: + for ( wxWindowList::iterator i = GetChildren().begin(); + i != GetChildren().end(); ++i ) + { + wxWindow *child = *i; + if ( child->IsTopLevel() ) + continue; + + child->Thaw(); + } + + // physically thaw this window: + DoThaw(); + } } // ---------------------------------------------------------------------------- -// find window by id or name +// reparenting the window // ---------------------------------------------------------------------------- -wxWindow *wxWindowBase::FindWindow( long id ) +void wxWindowBase::AddChild(wxWindowBase *child) { - if ( id == m_windowId ) - return (wxWindow *)this; + wxCHECK_RET( child, wxT("can't add a NULL child") ); - 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 ); - } + // this should never happen and it will lead to a crash later if it does + // because RemoveChild() will remove only one node from the children list + // and the other(s) one(s) will be left with dangling pointers in them + wxASSERT_MSG( !GetChildren().Find((wxWindow*)child), _T("AddChild() called twice") ); - return (wxWindow *)res; + GetChildren().Append((wxWindow*)child); + child->SetParent(this); + + // adding a child while frozen will assert when thawn, so freeze it as if + // it had been already present when we were frozen + if ( IsFrozen() && !child->IsTopLevel() ) + child->Freeze(); } -wxWindow *wxWindowBase::FindWindow( const wxString& name ) +void wxWindowBase::RemoveChild(wxWindowBase *child) { - if ( name == m_windowName ) - return (wxWindow *)this; + wxCHECK_RET( child, wxT("can't remove a NULL child") ); - wxWindowBase *res = (wxWindow *)NULL; - wxWindowList::Node *node; - for ( node = m_children.GetFirst(); node && !res; node = node->GetNext() ) + // removing a child while frozen may result in permanently frozen window + // if used e.g. from Reparent(), so thaw it + if ( IsFrozen() && !child->IsTopLevel() ) + child->Thaw(); + + GetChildren().DeleteObject((wxWindow *)child); + child->SetParent(NULL); +} + +bool wxWindowBase::Reparent(wxWindowBase *newParent) +{ + wxWindow *oldParent = GetParent(); + if ( newParent == oldParent ) { - wxWindow *child = node->GetData(); - res = child->FindWindow(name); + // nothing done + return false; } - return (wxWindow *)res; -} + const bool oldEnabledState = IsEnabled(); -// ---------------------------------------------------------------------------- -// dialog oriented functions -// ---------------------------------------------------------------------------- + // unlink this window from the existing parent. + if ( oldParent ) + { + oldParent->RemoveChild(this); + } + else + { + wxTopLevelWindows.DeleteObject((wxWindow *)this); + } -void wxWindowBase::MakeModal(bool modal) -{ - // Disable all other windows - if ( IsTopLevel() ) + // add it to the new one + if ( newParent ) { - wxWindowList::Node *node = wxTopLevelWindows.GetFirst(); - while (node) - { - wxWindow *win = node->GetData(); - if (win != this) - win->Enable(!modal); + newParent->AddChild(this); + } + else + { + wxTopLevelWindows.Append((wxWindow *)this); + } - node = node->GetNext(); - } + // We need to notify window (and its subwindows) if by changing the parent + // we also change our enabled/disabled status. + const bool newEnabledState = IsEnabled(); + if ( newEnabledState != oldEnabledState ) + { + NotifyWindowOnEnableChange(newEnabledState); } + + return true; } -bool wxWindowBase::Validate() +// ---------------------------------------------------------------------------- +// event handler stuff +// ---------------------------------------------------------------------------- + +void wxWindowBase::PushEventHandler(wxEvtHandler *handler) { -#if wxUSE_VALIDATORS - bool recurse = (GetExtraStyle() & wxWS_EX_VALIDATE_RECURSIVELY) != 0; + wxEvtHandler *handlerOld = GetEventHandler(); - 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; - } + handler->SetNextHandler(handlerOld); - if ( recurse && !child->Validate() ) - { - return FALSE; - } - } -#endif // wxUSE_VALIDATORS + if ( handlerOld ) + GetEventHandler()->SetPreviousHandler(handler); - return TRUE; + SetEventHandler(handler); } -bool wxWindowBase::TransferDataToWindow() +wxEvtHandler *wxWindowBase::PopEventHandler(bool deleteHandler) { -#if wxUSE_VALIDATORS - bool recurse = (GetExtraStyle() & wxWS_EX_VALIDATE_RECURSIVELY) != 0; - - wxWindowList::Node *node; - for ( node = m_children.GetFirst(); node; node = node->GetNext() ) + wxEvtHandler *handlerA = GetEventHandler(); + if ( handlerA ) { - wxWindowBase *child = node->GetData(); - wxValidator *validator = child->GetValidator(); - if ( validator && !validator->TransferToWindow() ) - { - wxLogWarning(_("Could not transfer data to window")); - wxLog::FlushActive(); + wxEvtHandler *handlerB = handlerA->GetNextHandler(); + handlerA->SetNextHandler((wxEvtHandler *)NULL); - return FALSE; - } + if ( handlerB ) + handlerB->SetPreviousHandler((wxEvtHandler *)NULL); + SetEventHandler(handlerB); - if ( recurse ) + if ( deleteHandler ) { - if ( !child->TransferDataToWindow() ) - { - // warning already given - return FALSE; - } + delete handlerA; + handlerA = (wxEvtHandler *)NULL; } } -#endif // wxUSE_VALIDATORS - return TRUE; + return handlerA; } -bool wxWindowBase::TransferDataFromWindow() +bool wxWindowBase::RemoveEventHandler(wxEvtHandler *handler) { -#if wxUSE_VALIDATORS - bool recurse = (GetExtraStyle() & wxWS_EX_VALIDATE_RECURSIVELY) != 0; + wxCHECK_MSG( handler, false, _T("RemoveEventHandler(NULL) called") ); - wxWindowList::Node *node; - for ( node = m_children.GetFirst(); node; node = node->GetNext() ) + wxEvtHandler *handlerPrev = NULL, + *handlerCur = GetEventHandler(); + while ( handlerCur ) { - wxWindow *child = node->GetData(); - wxValidator *validator = child->GetValidator(); - if ( validator && !validator->TransferFromWindow() ) - { - // nop warning here because the application is supposed to give - // one itself - we don't know here what might have gone wrongly - - return FALSE; - } + wxEvtHandler *handlerNext = handlerCur->GetNextHandler(); - if ( recurse ) + if ( handlerCur == handler ) { - if ( !child->TransferDataFromWindow() ) + if ( handlerPrev ) { - // warning already given - return FALSE; + handlerPrev->SetNextHandler(handlerNext); + } + else + { + SetEventHandler(handlerNext); } + + if ( handlerNext ) + { + handlerNext->SetPreviousHandler ( handlerPrev ); + } + + handler->SetNextHandler(NULL); + handler->SetPreviousHandler(NULL); + + return true; } + + handlerPrev = handlerCur; + handlerCur = handlerNext; } -#endif // wxUSE_VALIDATORS - return TRUE; + wxFAIL_MSG( _T("where has the event handler gone?") ); + + return false; } -void wxWindowBase::InitDialog() +bool wxWindowBase::HandleWindowEvent(wxEvent& event) const { - wxInitDialogEvent event(GetId()); - event.SetEventObject( this ); - GetEventHandler()->ProcessEvent(event); + return GetEventHandler()->SafelyProcessEvent(event); } // ---------------------------------------------------------------------------- -// tooltips +// colours, fonts &c // ---------------------------------------------------------------------------- -#if wxUSE_TOOLTIPS - -void wxWindowBase::SetToolTip( const wxString &tip ) +void wxWindowBase::InheritAttributes() { - // don't create the new tooltip if we already have one - if ( m_tooltip ) - { - m_tooltip->SetTip( tip ); - } - else + const wxWindowBase * const parent = GetParent(); + if ( !parent ) + return; + + // we only inherit attributes which had been explicitly set for the parent + // which ensures that this only happens if the user really wants it and + // not by default which wouldn't make any sense in modern GUIs where the + // controls don't all use the same fonts (nor colours) + if ( parent->m_inheritFont && !m_hasFont ) + SetFont(parent->GetFont()); + + // in addition, there is a possibility to explicitly forbid inheriting + // colours at each class level by overriding ShouldInheritColours() + if ( ShouldInheritColours() ) { - SetToolTip( new wxToolTip( tip ) ); + if ( parent->m_inheritFgCol && !m_hasFgCol ) + SetForegroundColour(parent->GetForegroundColour()); + + // inheriting (solid) background colour is wrong as it totally breaks + // any kind of themed backgrounds + // + // instead, the controls should use the same background as their parent + // (ideally by not drawing it at all) +#if 0 + if ( parent->m_inheritBgCol && !m_hasBgCol ) + SetBackgroundColour(parent->GetBackgroundColour()); +#endif // 0 } - - // setting empty tooltip text does not remove the tooltip any more - use - // SetToolTip((wxToolTip *)NULL) for this } -void wxWindowBase::DoSetToolTip(wxToolTip *tooltip) +/* static */ wxVisualAttributes +wxWindowBase::GetClassDefaultAttributes(wxWindowVariant WXUNUSED(variant)) { - if ( m_tooltip ) - delete m_tooltip; - - m_tooltip = tooltip; + // it is important to return valid values for all attributes from here, + // GetXXX() below rely on this + wxVisualAttributes attrs; + attrs.font = wxSystemSettings::GetFont(wxSYS_DEFAULT_GUI_FONT); + attrs.colFg = wxSystemSettings::GetColour(wxSYS_COLOUR_WINDOWTEXT); + + // On Smartphone/PocketPC, wxSYS_COLOUR_WINDOW is a better reflection of + // the usual background colour than wxSYS_COLOUR_BTNFACE. + // It's a pity that wxSYS_COLOUR_WINDOW isn't always a suitable background + // colour on other platforms. + +#if defined(__WXWINCE__) && (defined(__SMARTPHONE__) || defined(__POCKETPC__)) + attrs.colBg = wxSystemSettings::GetColour(wxSYS_COLOUR_WINDOW); +#else + attrs.colBg = wxSystemSettings::GetColour(wxSYS_COLOUR_BTNFACE); +#endif + return attrs; } -#endif // wxUSE_TOOLTIPS +wxColour wxWindowBase::GetBackgroundColour() const +{ + if ( !m_backgroundColour.IsOk() ) + { + wxASSERT_MSG( !m_hasBgCol, _T("we have invalid explicit bg colour?") ); -// ---------------------------------------------------------------------------- -// constraints and sizers -// ---------------------------------------------------------------------------- + // get our default background colour + wxColour colBg = GetDefaultAttributes().colBg; -#if wxUSE_CONSTRAINTS + // we must return some valid colour to avoid redoing this every time + // and also to avoid surprizing the applications written for older + // wxWidgets versions where GetBackgroundColour() always returned + // something -- so give them something even if it doesn't make sense + // for this window (e.g. it has a themed background) + if ( !colBg.Ok() ) + colBg = GetClassDefaultAttributes().colBg; -void wxWindowBase::SetConstraints( wxLayoutConstraints *constraints ) + return colBg; + } + else + return m_backgroundColour; +} + +wxColour wxWindowBase::GetForegroundColour() const { - if ( m_constraints ) + // logic is the same as above + if ( !m_hasFgCol && !m_foregroundColour.Ok() ) { - UnsetConstraints(m_constraints); - delete m_constraints; + wxColour colFg = GetDefaultAttributes().colFg; + + if ( !colFg.IsOk() ) + colFg = GetClassDefaultAttributes().colFg; + + return colFg; } - m_constraints = constraints; - if ( m_constraints ) - { + else + return m_foregroundColour; +} + +bool wxWindowBase::SetBackgroundColour( const wxColour &colour ) +{ + if ( colour == m_backgroundColour ) + return false; + + m_hasBgCol = colour.IsOk(); + if ( m_backgroundStyle != wxBG_STYLE_CUSTOM ) + m_backgroundStyle = m_hasBgCol ? wxBG_STYLE_COLOUR : wxBG_STYLE_SYSTEM; + + m_inheritBgCol = m_hasBgCol; + m_backgroundColour = colour; + SetThemeEnabled( !m_hasBgCol && !m_foregroundColour.Ok() ); + return true; +} + +bool wxWindowBase::SetForegroundColour( const wxColour &colour ) +{ + if (colour == m_foregroundColour ) + return false; + + m_hasFgCol = colour.IsOk(); + m_inheritFgCol = m_hasFgCol; + m_foregroundColour = colour; + SetThemeEnabled( !m_hasFgCol && !m_backgroundColour.Ok() ); + return true; +} + +bool wxWindowBase::SetCursor(const wxCursor& cursor) +{ + // setting an invalid cursor is ok, it means that we don't have any special + // cursor + if ( m_cursor.IsSameAs(cursor) ) + { + // no change + return false; + } + + m_cursor = cursor; + + return true; +} + +wxFont wxWindowBase::GetFont() const +{ + // logic is the same as in GetBackgroundColour() + if ( !m_font.IsOk() ) + { + wxASSERT_MSG( !m_hasFont, _T("we have invalid explicit font?") ); + + wxFont font = GetDefaultAttributes().font; + if ( !font.IsOk() ) + font = GetClassDefaultAttributes().font; + + return font; + } + else + return m_font; +} + +bool wxWindowBase::SetFont(const wxFont& font) +{ + if ( font == m_font ) + { + // no change + return false; + } + + m_font = font; + m_hasFont = font.IsOk(); + m_inheritFont = m_hasFont; + + InvalidateBestSize(); + + return true; +} + +#if wxUSE_PALETTE + +void wxWindowBase::SetPalette(const wxPalette& pal) +{ + m_hasCustomPalette = true; + m_palette = pal; + + // VZ: can anyone explain me what do we do here? + wxWindowDC d((wxWindow *) this); + d.SetPalette(pal); +} + +wxWindow *wxWindowBase::GetAncestorWithCustomPalette() const +{ + wxWindow *win = (wxWindow *)this; + while ( win && !win->HasCustomPalette() ) + { + win = win->GetParent(); + } + + return win; +} + +#endif // wxUSE_PALETTE + +#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 stuff +// ---------------------------------------------------------------------------- + +wxRect wxWindowBase::GetUpdateClientRect() const +{ + wxRegion rgnUpdate = GetUpdateRegion(); + rgnUpdate.Intersect(GetClientRect()); + wxRect rectUpdate = rgnUpdate.GetBox(); + wxPoint ptOrigin = GetClientAreaOrigin(); + rectUpdate.x -= ptOrigin.x; + rectUpdate.y -= ptOrigin.y; + + return rectUpdate; +} + +bool wxWindowBase::DoIsExposed(int x, int y) const +{ + return m_updateRegion.Contains(x, y) != wxOutRegion; +} + +bool wxWindowBase::DoIsExposed(int x, int y, int w, int h) const +{ + return m_updateRegion.Contains(x, y, w, h) != wxOutRegion; +} + +void wxWindowBase::ClearBackground() +{ + // wxGTK uses its own version, no need to add never used code +#ifndef __WXGTK__ + wxClientDC dc((wxWindow *)this); + wxBrush brush(GetBackgroundColour(), wxSOLID); + dc.SetBackground(brush); + dc.Clear(); +#endif // __WXGTK__ +} + +// ---------------------------------------------------------------------------- +// find child window by id or name +// ---------------------------------------------------------------------------- + +wxWindow *wxWindowBase::FindWindow(long id) const +{ + if ( id == m_windowId ) + return (wxWindow *)this; + + wxWindowBase *res = (wxWindow *)NULL; + wxWindowList::compatibility_iterator 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) const +{ + if ( name == m_windowName ) + return (wxWindow *)this; + + wxWindowBase *res = (wxWindow *)NULL; + wxWindowList::compatibility_iterator node; + for ( node = m_children.GetFirst(); node && !res; node = node->GetNext() ) + { + wxWindow *child = node->GetData(); + res = child->FindWindow(name); + } + + return (wxWindow *)res; +} + + +// find any window by id or name or label: If parent is non-NULL, look through +// children for a label or title matching the specified string. If NULL, look +// through all top-level windows. +// +// to avoid duplicating code we reuse the same helper function but with +// different comparators + +typedef bool (*wxFindWindowCmp)(const wxWindow *win, + const wxString& label, long id); + +static +bool wxFindWindowCmpLabels(const wxWindow *win, const wxString& label, + long WXUNUSED(id)) +{ + return win->GetLabel() == label; +} + +static +bool wxFindWindowCmpNames(const wxWindow *win, const wxString& label, + long WXUNUSED(id)) +{ + return win->GetName() == label; +} + +static +bool wxFindWindowCmpIds(const wxWindow *win, const wxString& WXUNUSED(label), + long id) +{ + return win->GetId() == id; +} + +// recursive helper for the FindWindowByXXX() functions +static +wxWindow *wxFindWindowRecursively(const wxWindow *parent, + const wxString& label, + long id, + wxFindWindowCmp cmp) +{ + if ( parent ) + { + // see if this is the one we're looking for + if ( (*cmp)(parent, label, id) ) + return (wxWindow *)parent; + + // It wasn't, so check all its children + for ( wxWindowList::compatibility_iterator node = parent->GetChildren().GetFirst(); + node; + node = node->GetNext() ) + { + // recursively check each child + wxWindow *win = (wxWindow *)node->GetData(); + wxWindow *retwin = wxFindWindowRecursively(win, label, id, cmp); + if (retwin) + return retwin; + } + } + + // Not found + return NULL; +} + +// helper for FindWindowByXXX() +static +wxWindow *wxFindWindowHelper(const wxWindow *parent, + const wxString& label, + long id, + wxFindWindowCmp cmp) +{ + if ( parent ) + { + // just check parent and all its children + return wxFindWindowRecursively(parent, label, id, cmp); + } + + // start at very top of wx's windows + for ( wxWindowList::compatibility_iterator node = wxTopLevelWindows.GetFirst(); + node; + node = node->GetNext() ) + { + // recursively check each window & its children + wxWindow *win = node->GetData(); + wxWindow *retwin = wxFindWindowRecursively(win, label, id, cmp); + if (retwin) + return retwin; + } + + return NULL; +} + +/* static */ +wxWindow * +wxWindowBase::FindWindowByLabel(const wxString& title, const wxWindow *parent) +{ + return wxFindWindowHelper(parent, title, 0, wxFindWindowCmpLabels); +} + +/* static */ +wxWindow * +wxWindowBase::FindWindowByName(const wxString& title, const wxWindow *parent) +{ + wxWindow *win = wxFindWindowHelper(parent, title, 0, wxFindWindowCmpNames); + + if ( !win ) + { + // fall back to the label + win = FindWindowByLabel(title, parent); + } + + return win; +} + +/* static */ +wxWindow * +wxWindowBase::FindWindowById( long id, const wxWindow* parent ) +{ + return wxFindWindowHelper(parent, wxEmptyString, id, wxFindWindowCmpIds); +} + +// ---------------------------------------------------------------------------- +// dialog oriented functions +// ---------------------------------------------------------------------------- + +void wxWindowBase::MakeModal(bool modal) +{ + // Disable all other windows + if ( IsTopLevel() ) + { + wxWindowList::compatibility_iterator node = wxTopLevelWindows.GetFirst(); + while (node) + { + wxWindow *win = node->GetData(); + if (win != this) + win->Enable(!modal); + + node = node->GetNext(); + } + } +} + +bool wxWindowBase::Validate() +{ +#if wxUSE_VALIDATORS + bool recurse = (GetExtraStyle() & wxWS_EX_VALIDATE_RECURSIVELY) != 0; + + wxWindowList::compatibility_iterator 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; + } + + if ( recurse && !child->Validate() ) + { + return false; + } + } +#endif // wxUSE_VALIDATORS + + return true; +} + +bool wxWindowBase::TransferDataToWindow() +{ +#if wxUSE_VALIDATORS + bool recurse = (GetExtraStyle() & wxWS_EX_VALIDATE_RECURSIVELY) != 0; + + wxWindowList::compatibility_iterator node; + for ( node = m_children.GetFirst(); node; node = node->GetNext() ) + { + wxWindowBase *child = node->GetData(); + wxValidator *validator = child->GetValidator(); + if ( validator && !validator->TransferToWindow() ) + { + wxLogWarning(_("Could not transfer data to window")); +#if wxUSE_LOG + wxLog::FlushActive(); +#endif // wxUSE_LOG + + return false; + } + + if ( recurse ) + { + if ( !child->TransferDataToWindow() ) + { + // warning already given + return false; + } + } + } +#endif // wxUSE_VALIDATORS + + return true; +} + +bool wxWindowBase::TransferDataFromWindow() +{ +#if wxUSE_VALIDATORS + bool recurse = (GetExtraStyle() & wxWS_EX_VALIDATE_RECURSIVELY) != 0; + + wxWindowList::compatibility_iterator node; + for ( node = m_children.GetFirst(); node; node = node->GetNext() ) + { + wxWindow *child = node->GetData(); + wxValidator *validator = child->GetValidator(); + if ( validator && !validator->TransferFromWindow() ) + { + // nop warning here because the application is supposed to give + // one itself - we don't know here what might have gone wrongly + + return false; + } + + if ( recurse ) + { + if ( !child->TransferDataFromWindow() ) + { + // warning already given + return false; + } + } + } +#endif // wxUSE_VALIDATORS + + return true; +} + +void wxWindowBase::InitDialog() +{ + wxInitDialogEvent event(GetId()); + event.SetEventObject( this ); + GetEventHandler()->ProcessEvent(event); +} + +// ---------------------------------------------------------------------------- +// context-sensitive help support +// ---------------------------------------------------------------------------- + +#if wxUSE_HELP + +// associate this help text with this window +void wxWindowBase::SetHelpText(const wxString& text) +{ + wxHelpProvider *helpProvider = wxHelpProvider::Get(); + if ( helpProvider ) + { + helpProvider->AddHelp(this, text); + } +} + +#if WXWIN_COMPATIBILITY_2_8 +// associate this help text with all windows with the same id as this +// one +void wxWindowBase::SetHelpTextForId(const wxString& text) +{ + wxHelpProvider *helpProvider = wxHelpProvider::Get(); + if ( helpProvider ) + { + helpProvider->AddHelp(GetId(), text); + } +} +#endif // WXWIN_COMPATIBILITY_2_8 + +// get the help string associated with this window (may be empty) +// default implementation forwards calls to the help provider +wxString +wxWindowBase::GetHelpTextAtPoint(const wxPoint & WXUNUSED(pt), + wxHelpEvent::Origin WXUNUSED(origin)) const +{ + wxString text; + wxHelpProvider *helpProvider = wxHelpProvider::Get(); + if ( helpProvider ) + { + text = helpProvider->GetHelp(this); + } + + return text; +} + +// show help for this window +void wxWindowBase::OnHelp(wxHelpEvent& event) +{ + wxHelpProvider *helpProvider = wxHelpProvider::Get(); + if ( helpProvider ) + { + wxPoint pos = event.GetPosition(); + const wxHelpEvent::Origin origin = event.GetOrigin(); + if ( origin == wxHelpEvent::Origin_Keyboard ) + { + // if the help event was generated from keyboard it shouldn't + // appear at the mouse position (which is still the only position + // associated with help event) if the mouse is far away, although + // we still do use the mouse position if it's over the window + // because we suppose the user looks approximately at the mouse + // already and so it would be more convenient than showing tooltip + // at some arbitrary position which can be quite far from it + const wxRect rectClient = GetClientRect(); + if ( !rectClient.Contains(ScreenToClient(pos)) ) + { + // position help slightly under and to the right of this window + pos = ClientToScreen(wxPoint( + 2*GetCharWidth(), + rectClient.height + GetCharHeight() + )); + } + } + + if ( helpProvider->ShowHelpAtPoint(this, pos, origin) ) + { + // skip the event.Skip() below + return; + } + } + + event.Skip(); +} + +#endif // wxUSE_HELP + +// ---------------------------------------------------------------------------- +// 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 != 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); @@ -886,561 +1835,1490 @@ void wxWindowBase::SetConstraints( wxLayoutConstraints *constraints ) } } -// This removes any dangling pointers to this window in other windows' -// constraintsInvolvedIn lists. -void wxWindowBase::UnsetConstraints(wxLayoutConstraints *c) +// 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((wxWindow *)otherWin) ) + m_constraintsInvolvedIn->Append((wxWindow *)otherWin); +} + +// REMOVE back-pointer to other windows we're involved with. +void wxWindowBase::RemoveConstraintReference(wxWindowBase *otherWin) +{ + if ( m_constraintsInvolvedIn ) + m_constraintsInvolvedIn->DeleteObject((wxWindow *)otherWin); +} + +// Reset any constraints that mention this window +void wxWindowBase::DeleteRelatedConstraints() +{ + if ( m_constraintsInvolvedIn ) + { + wxWindowList::compatibility_iterator 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::compatibility_iterator next = node->GetNext(); + m_constraintsInvolvedIn->Erase(node); + node = next; + } + + delete m_constraintsInvolvedIn; + m_constraintsInvolvedIn = (wxWindowList *) NULL; + } +} + +#endif // wxUSE_CONSTRAINTS + +void wxWindowBase::SetSizer(wxSizer *sizer, bool deleteOld) +{ + if ( sizer == m_windowSizer) + return; + + if ( m_windowSizer ) + { + m_windowSizer->SetContainingWindow(NULL); + + if ( deleteOld ) + delete m_windowSizer; + } + + m_windowSizer = sizer; + if ( m_windowSizer ) + { + m_windowSizer->SetContainingWindow((wxWindow *)this); + } + + SetAutoLayout(m_windowSizer != NULL); +} + +void wxWindowBase::SetSizerAndFit(wxSizer *sizer, bool deleteOld) +{ + SetSizer( sizer, deleteOld ); + sizer->SetSizeHints( (wxWindow*) this ); +} + + +void wxWindowBase::SetContainingSizer(wxSizer* sizer) +{ + // adding a window to a sizer twice is going to result in fatal and + // hard to debug problems later because when deleting the second + // associated wxSizerItem we're going to dereference a dangling + // pointer; so try to detect this as early as possible + wxASSERT_MSG( !sizer || m_containingSizer != sizer, + _T("Adding a window to the same sizer twice?") ); + + m_containingSizer = sizer; +} + +#if wxUSE_CONSTRAINTS + +void wxWindowBase::SatisfyConstraints() +{ + wxLayoutConstraints *constr = GetConstraints(); + bool wasOk = constr && constr->AreSatisfied(); + + ResetConstraints(); // Mark all constraints as unevaluated + + int noChanges = 1; + + // if we're a top level panel (i.e. our parent is frame/dialog), our + // own constraints will never be satisfied any more unless we do it + // here + if ( wasOk ) + { + while ( noChanges > 0 ) + { + LayoutPhase1(&noChanges); + } + } + + LayoutPhase2(&noChanges); +} + +#endif // wxUSE_CONSTRAINTS + +bool wxWindowBase::Layout() +{ + // If there is a sizer, use it instead of the constraints + if ( GetSizer() ) + { + int w = 0, h = 0; + GetVirtualSize(&w, &h); + GetSizer()->SetDimension( 0, 0, w, h ); + } +#if wxUSE_CONSTRAINTS + else + { + SatisfyConstraints(); // Find the right constraints values + SetConstraintSizes(); // Recursively set the real window sizes + } +#endif + + return true; +} + +#if wxUSE_CONSTRAINTS + +// first phase of the constraints evaluation: set our own constraints +bool wxWindowBase::LayoutPhase1(int *noChanges) +{ + wxLayoutConstraints *constr = GetConstraints(); + + return !constr || constr->SatisfyConstraints(this, noChanges); +} + +// second phase: set the constraints for our children +bool wxWindowBase::LayoutPhase2(int *noChanges) +{ + *noChanges = 0; + + // Layout children + DoPhase(1); + + // Layout grand children + DoPhase(2); + + return true; +} + +// Do a phase of evaluating child constraints +bool wxWindowBase::DoPhase(int phase) +{ + // the list containing the children for which the constraints are already + // set correctly + wxWindowList succeeded; + + // the max number of iterations we loop before concluding that we can't set + // the constraints + static const int maxIterations = 500; + + for ( int noIterations = 0; noIterations < maxIterations; noIterations++ ) + { + int noChanges = 0; + + // loop over all children setting their constraints + for ( wxWindowList::compatibility_iterator node = GetChildren().GetFirst(); + node; + node = node->GetNext() ) + { + wxWindow *child = node->GetData(); + if ( child->IsTopLevel() ) + { + // top level children are not inside our client area + continue; + } + + if ( !child->GetConstraints() || succeeded.Find(child) ) + { + // this one is either already ok or nothing we can do about it + continue; + } + + int tempNoChanges = 0; + bool success = phase == 1 ? child->LayoutPhase1(&tempNoChanges) + : child->LayoutPhase2(&tempNoChanges); + noChanges += tempNoChanges; + + if ( success ) + { + succeeded.Append(child); + } + } + + if ( !noChanges ) + { + // constraints are set + break; + } + } + + 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::compatibility_iterator 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->AreSatisfied() ) + { + 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 ) + { + wxLogDebug(wxT("Constraints not satisfied for %s named '%s'."), + GetClassInfo()->GetClassName(), + GetName().c_str()); + } + + if ( recurse ) + { + wxWindowList::compatibility_iterator node = GetChildren().GetFirst(); + while (node) + { + wxWindow *win = node->GetData(); + if ( !win->IsTopLevel() && win->GetConstraints() ) + 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 != wxDefaultCoord ) + { + constr->left.SetValue(x); + constr->left.SetDone(true); + } + if ( y != wxDefaultCoord ) + { + constr->top.SetValue(y); + constr->top.SetDone(true); + } + if ( w != wxDefaultCoord ) + { + constr->width.SetValue(w); + constr->width.SetDone(true); + } + if ( h != wxDefaultCoord ) + { + constr->height.SetValue(h); + constr->height.SetDone(true); + } + } +} + +void wxWindowBase::MoveConstraint(int x, int y) +{ + wxLayoutConstraints *constr = GetConstraints(); + if ( constr ) + { + if ( x != wxDefaultCoord ) + { + constr->left.SetValue(x); + constr->left.SetDone(true); + } + if ( y != wxDefaultCoord ) + { + 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 + +void wxWindowBase::AdjustForParentClientOrigin(int& x, int& y, int sizeFlags) const +{ + // don't do it for the dialogs/frames - they float independently of their + // parent + if ( !IsTopLevel() ) + { + wxWindow *parent = GetParent(); + if ( !(sizeFlags & wxSIZE_NO_ADJUSTMENTS) && parent ) + { + wxPoint pt(parent->GetClientAreaOrigin()); + x += pt.x; + y += pt.y; + } + } +} + +// ---------------------------------------------------------------------------- +// Update UI processing +// ---------------------------------------------------------------------------- + +void wxWindowBase::UpdateWindowUI(long flags) +{ + wxUpdateUIEvent event(GetId()); + event.SetEventObject(this); + + if ( GetEventHandler()->ProcessEvent(event) ) + { + DoUpdateWindowUI(event); + } + + if (flags & wxUPDATE_UI_RECURSE) + { + wxWindowList::compatibility_iterator node = GetChildren().GetFirst(); + while (node) + { + wxWindow* child = (wxWindow*) node->GetData(); + child->UpdateWindowUI(flags); + node = node->GetNext(); + } + } +} + +// do the window-specific processing after processing the update event +void wxWindowBase::DoUpdateWindowUI(wxUpdateUIEvent& event) +{ + if ( event.GetSetEnabled() ) + Enable(event.GetEnabled()); + + if ( event.GetSetShown() ) + Show(event.GetShown()); +} + +// ---------------------------------------------------------------------------- +// dialog units translations +// ---------------------------------------------------------------------------- + +wxPoint wxWindowBase::ConvertPixelsToDialog(const wxPoint& pt) +{ + int charWidth = GetCharWidth(); + int charHeight = GetCharHeight(); + wxPoint pt2 = wxDefaultPosition; + if (pt.x != wxDefaultCoord) + pt2.x = (int) ((pt.x * 4) / charWidth); + if (pt.y != wxDefaultCoord) + pt2.y = (int) ((pt.y * 8) / charHeight); + + return pt2; +} + +wxPoint wxWindowBase::ConvertDialogToPixels(const wxPoint& pt) +{ + int charWidth = GetCharWidth(); + int charHeight = GetCharHeight(); + wxPoint pt2 = wxDefaultPosition; + if (pt.x != wxDefaultCoord) + pt2.x = (int) ((pt.x * charWidth) / 4); + if (pt.y != wxDefaultCoord) + pt2.y = (int) ((pt.y * charHeight) / 8); + + return pt2; +} + +// ---------------------------------------------------------------------------- +// event handlers +// ---------------------------------------------------------------------------- + +// propagate the colour change event to the subwindows +void wxWindowBase::OnSysColourChanged(wxSysColourChangedEvent& event) +{ + wxWindowList::compatibility_iterator node = GetChildren().GetFirst(); + while ( node ) + { + // Only propagate to non-top-level windows + wxWindow *win = node->GetData(); + if ( !win->IsTopLevel() ) + { + wxSysColourChangedEvent event2; + event.SetEventObject(win); + win->GetEventHandler()->ProcessEvent(event2); + } + + node = node->GetNext(); + } + + Refresh(); +} + +// the default action is to populate dialog with data when it's created, +// and nudge the UI into displaying itself correctly in case +// we've turned the wxUpdateUIEvents frequency down low. +void wxWindowBase::OnInitDialog( wxInitDialogEvent &WXUNUSED(event) ) { - if ( c ) + TransferDataToWindow(); + + // Update the UI at this point + UpdateWindowUI(wxUPDATE_UI_RECURSE); +} + +// ---------------------------------------------------------------------------- +// menu-related functions +// ---------------------------------------------------------------------------- + +#if wxUSE_MENUS + +bool wxWindowBase::PopupMenu(wxMenu *menu, int x, int y) +{ + wxCHECK_MSG( menu, false, "can't popup NULL menu" ); + + wxCurrentPopupMenu = menu; + const bool rc = DoPopupMenu(menu, x, y); + wxCurrentPopupMenu = NULL; + + return rc; +} + +// this is used to pass the id of the selected item from the menu event handler +// to the main function itself +// +// it's ok to use a global here as there can be at most one popup menu shown at +// any time +static int gs_popupMenuSelection = wxID_NONE; + +void wxWindowBase::InternalOnPopupMenu(wxCommandEvent& event) +{ + // store the id in a global variable where we'll retrieve it from later + gs_popupMenuSelection = event.GetId(); +} + +int +wxWindowBase::DoGetPopupMenuSelectionFromUser(wxMenu& menu, int x, int y) +{ + gs_popupMenuSelection = wxID_NONE; + + Connect(wxEVT_COMMAND_MENU_SELECTED, + wxCommandEventHandler(wxWindowBase::InternalOnPopupMenu), + NULL, + this); + + PopupMenu(&menu, x, y); + + Disconnect(wxEVT_COMMAND_MENU_SELECTED, + wxCommandEventHandler(wxWindowBase::InternalOnPopupMenu), + NULL, + this); + + return gs_popupMenuSelection; +} + +#endif // wxUSE_MENUS + +// methods for drawing the sizers in a visible way +#ifdef __WXDEBUG__ + +static void DrawSizers(wxWindowBase *win); + +static void DrawBorder(wxWindowBase *win, const wxRect& rect, bool fill = false) +{ + wxClientDC dc((wxWindow *)win); + dc.SetPen(*wxRED_PEN); + dc.SetBrush(fill ? wxBrush(*wxRED, wxCROSSDIAG_HATCH): *wxTRANSPARENT_BRUSH); + dc.DrawRectangle(rect.Deflate(1, 1)); +} + +static void DrawSizer(wxWindowBase *win, wxSizer *sizer) +{ + const wxSizerItemList& items = sizer->GetChildren(); + for ( wxSizerItemList::const_iterator i = items.begin(), + end = items.end(); + i != end; + ++i ) { - 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); + wxSizerItem *item = *i; + if ( item->IsSizer() ) + { + DrawBorder(win, item->GetRect().Deflate(2)); + DrawSizer(win, item->GetSizer()); + } + else if ( item->IsSpacer() ) + { + DrawBorder(win, item->GetRect().Deflate(2), true); + } + else if ( item->IsWindow() ) + { + DrawSizers(item->GetWindow()); + } } } -// 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) +static void DrawSizers(wxWindowBase *win) { - if ( !m_constraintsInvolvedIn ) - m_constraintsInvolvedIn = new wxWindowList; - if ( !m_constraintsInvolvedIn->Find(otherWin) ) - m_constraintsInvolvedIn->Append(otherWin); + wxSizer *sizer = win->GetSizer(); + if ( sizer ) + { + DrawBorder(win, win->GetClientSize()); + DrawSizer(win, sizer); + } + else // no sizer, still recurse into the children + { + const wxWindowList& children = win->GetChildren(); + for ( wxWindowList::const_iterator i = children.begin(), + end = children.end(); + i != end; + ++i ) + { + DrawSizers(*i); + } + } } -// REMOVE back-pointer to other windows we're involved with. -void wxWindowBase::RemoveConstraintReference(wxWindowBase *otherWin) +#endif // __WXDEBUG__ + +// process special middle clicks +void wxWindowBase::OnMiddleClick( wxMouseEvent& event ) { - if ( m_constraintsInvolvedIn ) - m_constraintsInvolvedIn->DeleteObject(otherWin); + if ( event.ControlDown() && event.AltDown() ) + { +#ifdef __WXDEBUG__ + // Ctrl-Alt-Shift-mclick makes the sizers visible in debug builds + if ( event.ShiftDown() ) + { + DrawSizers(this); + return; + } +#endif // __WXDEBUG__ + ::wxInfoMessageBox((wxWindow*)this); + } + else + { + event.Skip(); + } } -// Reset any constraints that mention this window -void wxWindowBase::DeleteRelatedConstraints() +// ---------------------------------------------------------------------------- +// accessibility +// ---------------------------------------------------------------------------- + +#if wxUSE_ACCESSIBILITY +void wxWindowBase::SetAccessible(wxAccessible* accessible) { - if ( m_constraintsInvolvedIn ) + if (m_accessible && (accessible != m_accessible)) + delete m_accessible; + m_accessible = accessible; + if (m_accessible) + m_accessible->SetWindow((wxWindow*) this); +} + +// Returns the accessible object, creating if necessary. +wxAccessible* wxWindowBase::GetOrCreateAccessible() +{ + if (!m_accessible) + m_accessible = CreateAccessible(); + return m_accessible; +} + +// Override to create a specific accessible object. +wxAccessible* wxWindowBase::CreateAccessible() +{ + return new wxWindowAccessible((wxWindow*) this); +} + +#endif + +// ---------------------------------------------------------------------------- +// list classes implementation +// ---------------------------------------------------------------------------- + +#if wxUSE_STL + +#include "wx/listimpl.cpp" +WX_DEFINE_LIST(wxWindowList) + +#else // !wxUSE_STL + +void wxWindowListNode::DeleteData() +{ + delete (wxWindow *)GetData(); +} + +#endif // wxUSE_STL/!wxUSE_STL + +// ---------------------------------------------------------------------------- +// borders +// ---------------------------------------------------------------------------- + +wxBorder wxWindowBase::GetBorder(long flags) const +{ + wxBorder border = (wxBorder)(flags & wxBORDER_MASK); + if ( border == wxBORDER_DEFAULT ) { - wxWindowList::Node *node = m_constraintsInvolvedIn->GetFirst(); - while (node) + border = GetDefaultBorder(); + } + else if ( border == wxBORDER_THEME ) + { + border = GetDefaultBorderForControl(); + } + + return border; +} + +wxBorder wxWindowBase::GetDefaultBorder() const +{ + return wxBORDER_NONE; +} + +// ---------------------------------------------------------------------------- +// hit testing +// ---------------------------------------------------------------------------- + +wxHitTest wxWindowBase::DoHitTest(wxCoord x, wxCoord y) const +{ + // here we just check if the point is inside the window or not + + // check the top and left border first + bool outside = x < 0 || y < 0; + if ( !outside ) + { + // check the right and bottom borders too + wxSize size = GetSize(); + outside = x >= size.x || y >= size.y; + } + + return outside ? wxHT_WINDOW_OUTSIDE : wxHT_WINDOW_INSIDE; +} + +// ---------------------------------------------------------------------------- +// mouse capture +// ---------------------------------------------------------------------------- + +struct WXDLLEXPORT wxWindowNext +{ + wxWindow *win; + wxWindowNext *next; +} *wxWindowBase::ms_winCaptureNext = NULL; +wxWindow *wxWindowBase::ms_winCaptureCurrent = NULL; +bool wxWindowBase::ms_winCaptureChanging = false; + +void wxWindowBase::CaptureMouse() +{ + wxLogTrace(_T("mousecapture"), _T("CaptureMouse(%p)"), wx_static_cast(void*, this)); + + wxASSERT_MSG( !ms_winCaptureChanging, _T("recursive CaptureMouse call?") ); + + ms_winCaptureChanging = true; + + wxWindow *winOld = GetCapture(); + if ( winOld ) + { + ((wxWindowBase*) winOld)->DoReleaseMouse(); + + // save it on stack + wxWindowNext *item = new wxWindowNext; + item->win = winOld; + item->next = ms_winCaptureNext; + ms_winCaptureNext = item; + } + //else: no mouse capture to save + + DoCaptureMouse(); + ms_winCaptureCurrent = (wxWindow*)this; + + ms_winCaptureChanging = false; +} + +void wxWindowBase::ReleaseMouse() +{ + wxLogTrace(_T("mousecapture"), _T("ReleaseMouse(%p)"), wx_static_cast(void*, this)); + + wxASSERT_MSG( !ms_winCaptureChanging, _T("recursive ReleaseMouse call?") ); + + wxASSERT_MSG( GetCapture() == this, wxT("attempt to release mouse, but this window hasn't captured it") ); + + ms_winCaptureChanging = true; + + DoReleaseMouse(); + ms_winCaptureCurrent = NULL; + + if ( ms_winCaptureNext ) + { + ((wxWindowBase*)ms_winCaptureNext->win)->DoCaptureMouse(); + ms_winCaptureCurrent = ms_winCaptureNext->win; + + wxWindowNext *item = ms_winCaptureNext; + ms_winCaptureNext = item->next; + delete item; + } + //else: stack is empty, no previous capture + + ms_winCaptureChanging = false; + + wxLogTrace(_T("mousecapture"), + (const wxChar *) _T("After ReleaseMouse() mouse is captured by %p"), + wx_static_cast(void*, GetCapture())); +} + +static void DoNotifyWindowAboutCaptureLost(wxWindow *win) +{ + wxMouseCaptureLostEvent event(win->GetId()); + event.SetEventObject(win); + if ( !win->GetEventHandler()->ProcessEvent(event) ) + { + // windows must handle this event, otherwise the app wouldn't behave + // correctly if it loses capture unexpectedly; see the discussion here: + // http://sourceforge.net/tracker/index.php?func=detail&aid=1153662&group_id=9863&atid=109863 + // http://article.gmane.org/gmane.comp.lib.wxwidgets.devel/82376 + wxFAIL_MSG( _T("window that captured the mouse didn't process wxEVT_MOUSE_CAPTURE_LOST") ); + } +} + +/* static */ +void wxWindowBase::NotifyCaptureLost() +{ + // don't do anything if capture lost was expected, i.e. resulted from + // a wx call to ReleaseMouse or CaptureMouse: + if ( ms_winCaptureChanging ) + return; + + // if the capture was lost unexpectedly, notify every window that has + // capture (on stack or current) about it and clear the stack: + + if ( ms_winCaptureCurrent ) + { + DoNotifyWindowAboutCaptureLost(ms_winCaptureCurrent); + ms_winCaptureCurrent = NULL; + } + + while ( ms_winCaptureNext ) + { + wxWindowNext *item = ms_winCaptureNext; + ms_winCaptureNext = item->next; + + DoNotifyWindowAboutCaptureLost(item->win); + + delete item; + } +} + +#if wxUSE_HOTKEY + +bool +wxWindowBase::RegisterHotKey(int WXUNUSED(hotkeyId), + int WXUNUSED(modifiers), + int WXUNUSED(keycode)) +{ + // not implemented + return false; +} + +bool wxWindowBase::UnregisterHotKey(int WXUNUSED(hotkeyId)) +{ + // not implemented + return false; +} + +#endif // wxUSE_HOTKEY + +// ---------------------------------------------------------------------------- +// event processing +// ---------------------------------------------------------------------------- + +bool wxWindowBase::TryValidator(wxEvent& wxVALIDATOR_PARAM(event)) +{ +#if wxUSE_VALIDATORS + // Can only use the validator of the window which + // is receiving the event + if ( event.GetEventObject() == this ) + { + wxValidator *validator = GetValidator(); + if ( validator && validator->ProcessEvent(event) ) { - wxWindow *win = node->GetData(); - wxLayoutConstraints *constr = win->GetConstraints(); + return true; + } + } +#endif // wxUSE_VALIDATORS - // Reset any constraints involving this window - if ( constr ) + return false; +} + +bool wxWindowBase::TryParent(wxEvent& event) +{ + // carry on up the parent-child hierarchy if the propagation count hasn't + // reached zero yet + if ( event.ShouldPropagate() ) + { + // honour the requests to stop propagation at this window: this is + // used by the dialogs, for example, to prevent processing the events + // from the dialog controls in the parent frame which rarely, if ever, + // makes sense + if ( !(GetExtraStyle() & wxWS_EX_BLOCK_EVENTS) ) + { + wxWindow *parent = GetParent(); + if ( parent && !parent->IsBeingDeleted() ) { - 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); - } + wxPropagateOnce propagateOnce(event); - wxWindowList::Node *next = node->GetNext(); - delete node; - node = next; + return parent->GetEventHandler()->ProcessEvent(event); + } } - - delete m_constraintsInvolvedIn; - m_constraintsInvolvedIn = (wxWindowList *) NULL; } + + return wxEvtHandler::TryParent(event); +} + +// ---------------------------------------------------------------------------- +// window relationships +// ---------------------------------------------------------------------------- + +wxWindow *wxWindowBase::DoGetSibling(WindowOrder order) const +{ + wxCHECK_MSG( GetParent(), NULL, + _T("GetPrev/NextSibling() don't work for TLWs!") ); + + wxWindowList& siblings = GetParent()->GetChildren(); + wxWindowList::compatibility_iterator i = siblings.Find((wxWindow *)this); + wxCHECK_MSG( i, NULL, _T("window not a child of its parent?") ); + + if ( order == OrderBefore ) + i = i->GetPrevious(); + else // OrderAfter + i = i->GetNext(); + + return i ? i->GetData() : NULL; } -void wxWindowBase::SetSizer(wxSizer *sizer) +// ---------------------------------------------------------------------------- +// keyboard navigation +// ---------------------------------------------------------------------------- + +// Navigates in the specified direction inside this window +bool wxWindowBase::DoNavigateIn(int flags) { - if (m_windowSizer) delete m_windowSizer; - - m_windowSizer = sizer; +#ifdef wxHAS_NATIVE_TAB_TRAVERSAL + // native code doesn't process our wxNavigationKeyEvents anyhow + wxUnusedVar(flags); + return false; +#else // !wxHAS_NATIVE_TAB_TRAVERSAL + wxNavigationKeyEvent eventNav; + wxWindow *focused = FindFocus(); + eventNav.SetCurrentFocus(focused); + eventNav.SetEventObject(focused); + eventNav.SetFlags(flags); + return GetEventHandler()->ProcessEvent(eventNav); +#endif // wxHAS_NATIVE_TAB_TRAVERSAL/!wxHAS_NATIVE_TAB_TRAVERSAL } -bool wxWindowBase::Layout() +bool wxWindowBase::HandleAsNavigationKey(const wxKeyEvent& event) { - // If there is a sizer, use it instead of the constraints - if ( GetSizer() ) - { - int w, h; - GetClientSize(&w, &h); + if ( event.GetKeyCode() != WXK_TAB ) + return false; - GetSizer()->SetDimension( 0, 0, w, h ); - } + int flags = wxNavigationKeyEvent::FromTab; + + if ( event.ShiftDown() ) + flags |= wxNavigationKeyEvent::IsBackward; else - { - wxLayoutConstraints *constr = GetConstraints(); - bool wasOk = constr && constr->AreSatisfied(); + flags |= wxNavigationKeyEvent::IsForward; - ResetConstraints(); // Mark all constraints as unevaluated + if ( event.ControlDown() ) + flags |= wxNavigationKeyEvent::WinChange; - // if we're a top level panel (i.e. our parent is frame/dialog), our - // own constraints will never be satisfied any more unless we do it - // here - if ( wasOk ) - { - int noChanges = 1; - while ( noChanges > 0 ) - { - constr->SatisfyConstraints(this, &noChanges); - } - } + Navigate(flags); + return true; +} - DoPhase(1); // Layout children - DoPhase(2); // Layout grand children - SetConstraintSizes(); // Recursively set the real window sizes +void wxWindowBase::DoMoveInTabOrder(wxWindow *win, WindowOrder move) +{ + // check that we're not a top level window + wxCHECK_RET( GetParent(), + _T("MoveBefore/AfterInTabOrder() don't work for TLWs!") ); + + // detect the special case when we have nothing to do anyhow and when the + // code below wouldn't work + if ( win == this ) + return; + + // find the target window in the siblings list + wxWindowList& siblings = GetParent()->GetChildren(); + wxWindowList::compatibility_iterator i = siblings.Find(win); + wxCHECK_RET( i, _T("MoveBefore/AfterInTabOrder(): win is not a sibling") ); + + // unfortunately, when wxUSE_STL == 1 DetachNode() is not implemented so we + // can't just move the node around + wxWindow *self = (wxWindow *)this; + siblings.DeleteObject(self); + if ( move == OrderAfter ) + { + i = i->GetNext(); } - return TRUE; + if ( i ) + { + siblings.Insert(i, self); + } + else // OrderAfter and win was the last sibling + { + siblings.Append(self); + } } +// ---------------------------------------------------------------------------- +// focus handling +// ---------------------------------------------------------------------------- -// 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) +/*static*/ wxWindow* wxWindowBase::FindFocus() { - wxLayoutConstraints *constr = GetConstraints(); - if ( constr ) - { - return constr->SatisfyConstraints(this, noChanges); - } - else - return TRUE; + wxWindowBase *win = DoFindFocus(); + return win ? win->GetMainWindowOfCompositeControl() : NULL; } -bool wxWindowBase::LayoutPhase2(int *noChanges) +bool wxWindowBase::HasFocus() const { - *noChanges = 0; - - // Layout children - DoPhase(1); - DoPhase(2); - return TRUE; + wxWindowBase *win = DoFindFocus(); + return win == this || + win == wxConstCast(this, wxWindowBase)->GetMainWindowOfCompositeControl(); } -// 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(); - } +// ---------------------------------------------------------------------------- +// global functions +// ---------------------------------------------------------------------------- - noIterations++; - } +wxWindow* wxGetTopLevelParent(wxWindow *win) +{ + while ( win && !win->IsTopLevel() ) + win = win->GetParent(); - return TRUE; + return win; } -void wxWindowBase::ResetConstraints() +#if wxUSE_ACCESSIBILITY +// ---------------------------------------------------------------------------- +// accessible object for windows +// ---------------------------------------------------------------------------- + +// Can return either a child object, or an integer +// representing the child element, starting from 1. +wxAccStatus wxWindowAccessible::HitTest(const wxPoint& WXUNUSED(pt), int* WXUNUSED(childId), wxAccessible** WXUNUSED(childObject)) { - 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); - } + wxASSERT( GetWindow() != NULL ); + if (!GetWindow()) + return wxACC_FAIL; - wxWindowList::Node *node = GetChildren().GetFirst(); - while (node) - { - wxWindow *win = node->GetData(); - if ( !win->IsTopLevel() ) - win->ResetConstraints(); - node = node->GetNext(); - } + return wxACC_NOT_IMPLEMENTED; } -// Need to distinguish between setting the 'fake' size for windows and sizers, -// and setting the real values. -void wxWindowBase::SetConstraintSizes(bool recurse) +// Returns the rectangle for this object (id = 0) or a child element (id > 0). +wxAccStatus wxWindowAccessible::GetLocation(wxRect& rect, int elementId) { - wxLayoutConstraints *constr = GetConstraints(); - if ( constr && constr->AreSatisfied() ) - { - int x = constr->left.GetValue(); - int y = constr->top.GetValue(); - int w = constr->width.GetValue(); - int h = constr->height.GetValue(); + wxASSERT( GetWindow() != NULL ); + if (!GetWindow()) + return wxACC_FAIL; - if ( (constr->width.GetRelationship() != wxAsIs ) || - (constr->height.GetRelationship() != wxAsIs) ) + wxWindow* win = NULL; + if (elementId == 0) + { + win = GetWindow(); + } + else + { + if (elementId <= (int) GetWindow()->GetChildren().GetCount()) { - SetSize(x, y, w, h); + win = GetWindow()->GetChildren().Item(elementId-1)->GetData(); } else - { - // If we don't want to resize this window, just move it... - Move(x, y); - } + return wxACC_FAIL; } - else if ( constr ) + if (win) { - wxLogDebug(wxT("Constraints not satisfied for %s named '%s'."), - GetClassInfo()->GetClassName(), - GetName().c_str()); + rect = win->GetRect(); + if (win->GetParent() && !win->IsKindOf(CLASSINFO(wxTopLevelWindow))) + rect.SetPosition(win->GetParent()->ClientToScreen(rect.GetPosition())); + return wxACC_OK; } - if ( recurse ) - { - wxWindowList::Node *node = GetChildren().GetFirst(); - while (node) - { - wxWindow *win = node->GetData(); - if ( !win->IsTopLevel() ) - win->SetConstraintSizes(); - node = node->GetNext(); - } - } + return wxACC_NOT_IMPLEMENTED; } -// Only set the size/position of the constraint (if any) -void wxWindowBase::SetSizeConstraint(int x, int y, int w, int h) +// Navigates from fromId to toId/toObject. +wxAccStatus wxWindowAccessible::Navigate(wxNavDir navDir, int fromId, + int* WXUNUSED(toId), wxAccessible** toObject) { - wxLayoutConstraints *constr = GetConstraints(); - if ( constr ) + wxASSERT( GetWindow() != NULL ); + if (!GetWindow()) + return wxACC_FAIL; + + switch (navDir) { - if ( x != -1 ) + case wxNAVDIR_FIRSTCHILD: { - constr->left.SetValue(x); - constr->left.SetDone(TRUE); + if (GetWindow()->GetChildren().GetCount() == 0) + return wxACC_FALSE; + wxWindow* childWindow = (wxWindow*) GetWindow()->GetChildren().GetFirst()->GetData(); + *toObject = childWindow->GetOrCreateAccessible(); + + return wxACC_OK; } - if ( y != -1 ) + case wxNAVDIR_LASTCHILD: { - constr->top.SetValue(y); - constr->top.SetDone(TRUE); + if (GetWindow()->GetChildren().GetCount() == 0) + return wxACC_FALSE; + wxWindow* childWindow = (wxWindow*) GetWindow()->GetChildren().GetLast()->GetData(); + *toObject = childWindow->GetOrCreateAccessible(); + + return wxACC_OK; } - if ( w != -1 ) + case wxNAVDIR_RIGHT: + case wxNAVDIR_DOWN: + case wxNAVDIR_NEXT: { - constr->width.SetValue(w); - constr->width.SetDone(TRUE); + wxWindowList::compatibility_iterator node = + wxWindowList::compatibility_iterator(); + if (fromId == 0) + { + // Can't navigate to sibling of this window + // if we're a top-level window. + if (!GetWindow()->GetParent()) + return wxACC_NOT_IMPLEMENTED; + + node = GetWindow()->GetParent()->GetChildren().Find(GetWindow()); + } + else + { + if (fromId <= (int) GetWindow()->GetChildren().GetCount()) + node = GetWindow()->GetChildren().Item(fromId-1); + } + + if (node && node->GetNext()) + { + wxWindow* nextWindow = node->GetNext()->GetData(); + *toObject = nextWindow->GetOrCreateAccessible(); + return wxACC_OK; + } + else + return wxACC_FALSE; } - if ( h != -1 ) + case wxNAVDIR_LEFT: + case wxNAVDIR_UP: + case wxNAVDIR_PREVIOUS: { - constr->height.SetValue(h); - constr->height.SetDone(TRUE); + wxWindowList::compatibility_iterator node = + wxWindowList::compatibility_iterator(); + if (fromId == 0) + { + // Can't navigate to sibling of this window + // if we're a top-level window. + if (!GetWindow()->GetParent()) + return wxACC_NOT_IMPLEMENTED; + + node = GetWindow()->GetParent()->GetChildren().Find(GetWindow()); + } + else + { + if (fromId <= (int) GetWindow()->GetChildren().GetCount()) + node = GetWindow()->GetChildren().Item(fromId-1); + } + + if (node && node->GetPrevious()) + { + wxWindow* previousWindow = node->GetPrevious()->GetData(); + *toObject = previousWindow->GetOrCreateAccessible(); + return wxACC_OK; + } + else + return wxACC_FALSE; } } + + return wxACC_NOT_IMPLEMENTED; } -void wxWindowBase::MoveConstraint(int x, int y) +// Gets the name of the specified object. +wxAccStatus wxWindowAccessible::GetName(int childId, wxString* name) { - wxLayoutConstraints *constr = GetConstraints(); - if ( constr ) + wxASSERT( GetWindow() != NULL ); + if (!GetWindow()) + return wxACC_FAIL; + + wxString title; + + // If a child, leave wxWidgets to call the function on the actual + // child object. + if (childId > 0) + return wxACC_NOT_IMPLEMENTED; + + // This will eventually be replaced by specialised + // accessible classes, one for each kind of wxWidgets + // control or window. +#if wxUSE_BUTTON + if (GetWindow()->IsKindOf(CLASSINFO(wxButton))) + title = ((wxButton*) GetWindow())->GetLabel(); + else +#endif + title = GetWindow()->GetName(); + + if (!title.empty()) { - if ( x != -1 ) - { - constr->left.SetValue(x); - constr->left.SetDone(TRUE); - } - if ( y != -1 ) - { - constr->top.SetValue(y); - constr->top.SetDone(TRUE); - } + *name = title; + return wxACC_OK; } + else + return wxACC_NOT_IMPLEMENTED; } -void wxWindowBase::GetSizeConstraint(int *w, int *h) const +// Gets the number of children. +wxAccStatus wxWindowAccessible::GetChildCount(int* childId) { - wxLayoutConstraints *constr = GetConstraints(); - if ( constr ) - { - *w = constr->width.GetValue(); - *h = constr->height.GetValue(); - } - else - GetSize(w, h); + wxASSERT( GetWindow() != NULL ); + if (!GetWindow()) + return wxACC_FAIL; + + *childId = (int) GetWindow()->GetChildren().GetCount(); + return wxACC_OK; } -void wxWindowBase::GetClientSizeConstraint(int *w, int *h) const +// Gets the specified child (starting from 1). +// If *child is NULL and return value is wxACC_OK, +// this means that the child is a simple element and +// not an accessible object. +wxAccStatus wxWindowAccessible::GetChild(int childId, wxAccessible** child) { - wxLayoutConstraints *constr = GetConstraints(); - if ( constr ) + wxASSERT( GetWindow() != NULL ); + if (!GetWindow()) + return wxACC_FAIL; + + if (childId == 0) { - *w = constr->width.GetValue(); - *h = constr->height.GetValue(); + *child = this; + return wxACC_OK; } + + if (childId > (int) GetWindow()->GetChildren().GetCount()) + return wxACC_FAIL; + + wxWindow* childWindow = GetWindow()->GetChildren().Item(childId-1)->GetData(); + *child = childWindow->GetOrCreateAccessible(); + if (*child) + return wxACC_OK; else - GetClientSize(w, h); + return wxACC_FAIL; } -void wxWindowBase::GetPositionConstraint(int *x, int *y) const +// Gets the parent, or NULL. +wxAccStatus wxWindowAccessible::GetParent(wxAccessible** parent) { - wxLayoutConstraints *constr = GetConstraints(); - if ( constr ) + wxASSERT( GetWindow() != NULL ); + if (!GetWindow()) + return wxACC_FAIL; + + wxWindow* parentWindow = GetWindow()->GetParent(); + if (!parentWindow) { - *x = constr->left.GetValue(); - *y = constr->top.GetValue(); + *parent = NULL; + return wxACC_OK; } else - GetPosition(x, y); + { + *parent = parentWindow->GetOrCreateAccessible(); + if (*parent) + return wxACC_OK; + else + return wxACC_FAIL; + } } -#endif // wxUSE_CONSTRAINTS +// Performs the default action. childId is 0 (the action for this object) +// or > 0 (the action for a child). +// Return wxACC_NOT_SUPPORTED if there is no default action for this +// window (e.g. an edit control). +wxAccStatus wxWindowAccessible::DoDefaultAction(int WXUNUSED(childId)) +{ + wxASSERT( GetWindow() != NULL ); + if (!GetWindow()) + return wxACC_FAIL; -// ---------------------------------------------------------------------------- -// do Update UI processing for child controls -// ---------------------------------------------------------------------------- + return wxACC_NOT_IMPLEMENTED; +} -// 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. -void wxWindowBase::UpdateWindowUI() +// Gets the default action for this object (0) or > 0 (the action for a child). +// Return wxACC_OK even if there is no action. actionName is the action, or the empty +// string if there is no action. +// The retrieved string describes the action that is performed on an object, +// not what the object does as a result. For example, a toolbar button that prints +// a document has a default action of "Press" rather than "Prints the current document." +wxAccStatus wxWindowAccessible::GetDefaultAction(int WXUNUSED(childId), wxString* WXUNUSED(actionName)) { - wxUpdateUIEvent event(GetId()); - event.m_eventObject = this; - - if ( GetEventHandler()->ProcessEvent(event) ) - { - if ( event.GetSetEnabled() ) - Enable(event.GetEnabled()); + wxASSERT( GetWindow() != NULL ); + if (!GetWindow()) + return wxACC_FAIL; - 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()); - } - } + return wxACC_NOT_IMPLEMENTED; +} -#if wxUSE_CHECKBOX - wxCheckBox *checkbox = wxDynamicCast(this, wxCheckBox); - if ( checkbox ) - { - if ( event.GetSetChecked() ) - checkbox->SetValue(event.GetChecked()); - } -#endif // wxUSE_CHECKBOX +// Returns the description for this object or a child. +wxAccStatus wxWindowAccessible::GetDescription(int WXUNUSED(childId), wxString* description) +{ + wxASSERT( GetWindow() != NULL ); + if (!GetWindow()) + return wxACC_FAIL; -#if wxUSE_RADIOBTN - wxRadioButton *radiobtn = wxDynamicCast(this, wxRadioButton); - if ( radiobtn ) - { - if ( event.GetSetChecked() ) - radiobtn->SetValue(event.GetChecked()); - } -#endif // wxUSE_RADIOBTN + wxString ht(GetWindow()->GetHelpTextAtPoint(wxDefaultPosition, wxHelpEvent::Origin_Keyboard)); + if (!ht.empty()) + { + *description = ht; + return wxACC_OK; } + return wxACC_NOT_IMPLEMENTED; } -// ---------------------------------------------------------------------------- -// dialog units translations -// ---------------------------------------------------------------------------- - -wxPoint wxWindowBase::ConvertPixelsToDialog(const wxPoint& pt) +// Returns help text for this object or a child, similar to tooltip text. +wxAccStatus wxWindowAccessible::GetHelpText(int WXUNUSED(childId), wxString* helpText) { - 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) ; + wxASSERT( GetWindow() != NULL ); + if (!GetWindow()) + return wxACC_FAIL; - return pt2; + wxString ht(GetWindow()->GetHelpTextAtPoint(wxDefaultPosition, wxHelpEvent::Origin_Keyboard)); + if (!ht.empty()) + { + *helpText = ht; + return wxACC_OK; + } + return wxACC_NOT_IMPLEMENTED; } -wxPoint wxWindowBase::ConvertDialogToPixels(const wxPoint& pt) +// Returns the keyboard shortcut for this object or child. +// Return e.g. ALT+K +wxAccStatus wxWindowAccessible::GetKeyboardShortcut(int WXUNUSED(childId), wxString* WXUNUSED(shortcut)) { - 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) ; + wxASSERT( GetWindow() != NULL ); + if (!GetWindow()) + return wxACC_FAIL; - return pt2; + return wxACC_NOT_IMPLEMENTED; } -// ---------------------------------------------------------------------------- -// client data -// ---------------------------------------------------------------------------- - -void wxWindowBase::DoSetClientObject( wxClientData *data ) +// Returns a role constant. +wxAccStatus wxWindowAccessible::GetRole(int childId, wxAccRole* role) { - wxASSERT_MSG( m_clientDataType != ClientData_Void, - wxT("can't have both object and void client data") ); + wxASSERT( GetWindow() != NULL ); + if (!GetWindow()) + return wxACC_FAIL; + + // If a child, leave wxWidgets to call the function on the actual + // child object. + if (childId > 0) + return wxACC_NOT_IMPLEMENTED; + + if (GetWindow()->IsKindOf(CLASSINFO(wxControl))) + return wxACC_NOT_IMPLEMENTED; +#if wxUSE_STATUSBAR + if (GetWindow()->IsKindOf(CLASSINFO(wxStatusBar))) + return wxACC_NOT_IMPLEMENTED; +#endif +#if wxUSE_TOOLBAR + if (GetWindow()->IsKindOf(CLASSINFO(wxToolBar))) + return wxACC_NOT_IMPLEMENTED; +#endif - if ( m_clientObject ) - delete m_clientObject; + //*role = wxROLE_SYSTEM_CLIENT; + *role = wxROLE_SYSTEM_CLIENT; + return wxACC_OK; - m_clientObject = data; - m_clientDataType = ClientData_Object; + #if 0 + return wxACC_NOT_IMPLEMENTED; + #endif } -wxClientData *wxWindowBase::DoGetClientObject() const +// Returns a state constant. +wxAccStatus wxWindowAccessible::GetState(int childId, long* state) { - // it's not an error to call GetClientObject() on a window which doesn't - // have client data at all - NULL will be returned - wxASSERT_MSG( m_clientDataType != ClientData_Void, - wxT("this window doesn't have object client data") ); + wxASSERT( GetWindow() != NULL ); + if (!GetWindow()) + return wxACC_FAIL; - return m_clientObject; -} + // If a child, leave wxWidgets to call the function on the actual + // child object. + if (childId > 0) + return wxACC_NOT_IMPLEMENTED; -void wxWindowBase::DoSetClientData( void *data ) -{ - wxASSERT_MSG( m_clientDataType != ClientData_Object, - wxT("can't have both object and void client data") ); + if (GetWindow()->IsKindOf(CLASSINFO(wxControl))) + return wxACC_NOT_IMPLEMENTED; + +#if wxUSE_STATUSBAR + if (GetWindow()->IsKindOf(CLASSINFO(wxStatusBar))) + return wxACC_NOT_IMPLEMENTED; +#endif +#if wxUSE_TOOLBAR + if (GetWindow()->IsKindOf(CLASSINFO(wxToolBar))) + return wxACC_NOT_IMPLEMENTED; +#endif + + *state = 0; + return wxACC_OK; - m_clientData = data; - m_clientDataType = ClientData_Void; + #if 0 + return wxACC_NOT_IMPLEMENTED; + #endif } -void *wxWindowBase::DoGetClientData() const +// Returns a localized string representing the value for the object +// or child. +wxAccStatus wxWindowAccessible::GetValue(int WXUNUSED(childId), wxString* WXUNUSED(strValue)) { - // it's not an error to call GetClientData() on a window which doesn't have - // client data at all - NULL will be returned - wxASSERT_MSG( m_clientDataType != ClientData_Object, - wxT("this window doesn't have void client data") ); + wxASSERT( GetWindow() != NULL ); + if (!GetWindow()) + return wxACC_FAIL; - return m_clientData; + return wxACC_NOT_IMPLEMENTED; } -// ---------------------------------------------------------------------------- -// event handlers -// ---------------------------------------------------------------------------- - -// propagate the colour change event to the subwindows -void wxWindowBase::OnSysColourChanged(wxSysColourChangedEvent& event) +// Selects the object or child. +wxAccStatus wxWindowAccessible::Select(int WXUNUSED(childId), wxAccSelectionFlags WXUNUSED(selectFlags)) { - 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); - } + wxASSERT( GetWindow() != NULL ); + if (!GetWindow()) + return wxACC_FAIL; - node = node->GetNext(); - } + return wxACC_NOT_IMPLEMENTED; } -// the default action is to populate dialog with data when it's created -void wxWindowBase::OnInitDialog( wxInitDialogEvent &WXUNUSED(event) ) +// Gets the window with the keyboard focus. +// If childId is 0 and child is NULL, no object in +// this subhierarchy has the focus. +// If this object has the focus, child should be 'this'. +wxAccStatus wxWindowAccessible::GetFocus(int* WXUNUSED(childId), wxAccessible** WXUNUSED(child)) { - TransferDataToWindow(); + wxASSERT( GetWindow() != NULL ); + if (!GetWindow()) + return wxACC_FAIL; + + return wxACC_NOT_IMPLEMENTED; } -// process Ctrl-Alt-mclick -void wxWindowBase::OnMiddleClick( wxMouseEvent& event ) +#if wxUSE_VARIANT +// Gets a variant representing the selected children +// of this object. +// Acceptable values: +// - a null variant (IsNull() returns true) +// - a list variant (GetType() == wxT("list") +// - an integer representing the selected child element, +// or 0 if this object is selected (GetType() == wxT("long") +// - a "void*" pointer to a wxAccessible child object +wxAccStatus wxWindowAccessible::GetSelections(wxVariant* WXUNUSED(selections)) { - if ( event.ControlDown() && event.AltDown() ) - { - // don't translate these strings - wxString port; - switch ( wxGetOsVersion() ) - { - case wxMOTIF_X: port = _T("Motif"); break; - case wxMACINTOSH: port = _T("Mac"); break; - case wxBEOS: port = _T("BeOS"); break; - case wxGTK: - case wxGTK_WIN32: - case wxGTK_OS2: - case wxGTK_BEOS: port = _T("GTK"); break; - case wxWINDOWS: - case wxPENWINDOWS: - case wxWINDOWS_NT: - case wxWIN32S: - case wxWIN95: - case wxWIN386: port = _T("MS Windows"); break; - case wxMGL_UNIX: - case wxMGL_X: - case wxMGL_WIN32: - case wxMGL_OS2: port = _T("MGL"); break; - case wxWINDOWS_OS2: - case wxOS2_PM: port = _T("OS/2"); break; - default: port = _T("unknown"); break; - } + wxASSERT( GetWindow() != NULL ); + if (!GetWindow()) + return wxACC_FAIL; - wxMessageBox(wxString::Format( - _T( - " wxWindows Library (%s port)\n" - "Version %u.%u.%u, compiled at %s %s\n" - " Copyright (c) 1995-2000 wxWindows team" - ), - port.c_str(), - wxMAJOR_VERSION, - wxMINOR_VERSION, - wxRELEASE_NUMBER, - __DATE__, - __TIME__ - ), - _T("wxWindows information"), - wxICON_INFORMATION | wxOK, - (wxWindow *)this); - } - else - { - event.Skip(); - } + return wxACC_NOT_IMPLEMENTED; } +#endif // wxUSE_VARIANT + +#endif // wxUSE_ACCESSIBILITY // ---------------------------------------------------------------------------- -// list classes implementation +// RTL support // ---------------------------------------------------------------------------- -void wxWindowListNode::DeleteData() +wxCoord +wxWindowBase::AdjustForLayoutDirection(wxCoord x, + wxCoord width, + wxCoord widthTotal) const { - delete (wxWindow *)GetData(); + if ( GetLayoutDirection() == wxLayout_RightToLeft ) + { + x = widthTotal - x - width; + } + + return x; } +