// Created: 13/07/98
// RCS-ID: $Id$
// Copyright: (c) wxWindows team
-// Licence: wxWindows license
+// Licence: wxWindows licence
/////////////////////////////////////////////////////////////////////////////
// ============================================================================
#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"
+ #include "wx/statusbr.h"
+ #include "wx/dcclient.h"
#endif //WX_PRECOMP
#if wxUSE_CONSTRAINTS
#include "wx/layout.h"
- #include "wx/sizer.h"
#endif // wxUSE_CONSTRAINTS
+#include "wx/sizer.h"
+
#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
// static data
// ----------------------------------------------------------------------------
+#if defined(__WXPM__)
+int wxWindowBase::ms_lastControlId = 2000;
+#else
int wxWindowBase::ms_lastControlId = -200;
+#endif
IMPLEMENT_ABSTRACT_CLASS(wxWindowBase, wxEvtHandler)
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(-1, wxWindowBase::OnHelp)
+#endif // wxUSE_HELP
+
END_EVENT_TABLE()
// ============================================================================
// no window yet, no parent nor children
m_parent = (wxWindow *)NULL;
m_windowId = -1;
- m_children.DeleteContents( FALSE ); // don't auto delete node data
// no constraints on the minimal window size
m_minWidth =
m_isShown = FALSE;
m_isEnabled = TRUE;
- // no client data (yet)
- m_clientData = NULL;
- m_clientDataType = ClientData_None;
-
// the default event handler is just this window
m_eventHandler = this;
#endif // wxUSE_VALIDATORS
// use the system default colours
- wxSystemSettings settings;
+ m_backgroundColour = wxSystemSettings::GetColour(wxSYS_COLOUR_BTNFACE);
+ m_foregroundColour = wxSystemSettings::GetColour(wxSYS_COLOUR_WINDOWTEXT);
+
+ // don't set the font here for wxMSW as we don't call WM_SETFONT here and
+ // so the font is *not* really set - but calls to SetFont() later won't do
+ // anything because m_font appears to be already set!
+#ifndef __WXMSW__
+ m_font = wxSystemSettings::GetFont(wxSYS_DEFAULT_GUI_FONT);
+#endif // __WXMSW__
+
+ // the colours/fonts are default for now
+ m_hasBgCol =
+ m_hasFgCol =
+ m_hasFont = FALSE;
+
+ m_isBeingDeleted = FALSE;
- m_backgroundColour = settings.GetSystemColour(wxSYS_COLOUR_BTNFACE);
- m_foregroundColour = *wxBLACK; // TODO take this from sys settings too?
-#if !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;
-
#if wxUSE_CONSTRAINTS
// no constraints whatsoever
m_constraints = (wxLayoutConstraints *) NULL;
m_constraintsInvolvedIn = (wxWindowList *) NULL;
+#endif // wxUSE_CONSTRAINTS
+
m_windowSizer = (wxSizer *) NULL;
+ m_containingSizer = (wxSizer *) NULL;
m_autoLayout = FALSE;
-#endif // wxUSE_CONSTRAINTS
#if wxUSE_DRAG_AND_DROP
m_dropTarget = (wxDropTarget *)NULL;
#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_minVirtualWidth =
+ m_minVirtualHeight =
+ m_maxVirtualWidth =
+ m_maxVirtualHeight = -1;
+
+ // Whether we're using the current theme for this window (wxGTK only for now)
+ m_themeEnabled = FALSE;
}
// common part of window creation process
const wxValidator& 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 wxWindows own usage)
+ wxASSERT_MSG( id == wxID_ANY || (id >= 0 && id < 32767),
+ _T("invalid id value") );
// generate a new id if the user doesn't care about it
- m_windowId = id == -1 ? NewControlId() : id;
+ m_windowId = id == wxID_ANY ? NewControlId() : id;
SetName(name);
SetWindowStyleFlag(style);
SetValidator(validator);
#endif // wxUSE_VALIDATORS
+ // if the parent window has wxWS_EX_VALIDATE_RECURSIVELY set, we want to
+ // have it too - like this it's possible to set it only in the top level
+ // dialog/frame and all children will inherit it by defult
+ if ( parent && (parent->GetExtraStyle() & wxWS_EX_VALIDATE_RECURSIVELY) )
+ {
+ SetExtraStyle(GetExtraStyle() | wxWS_EX_VALIDATE_RECURSIVELY);
+ }
+
return TRUE;
}
// 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
// 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);
wxASSERT_MSG( GetChildren().GetCount() == 0, wxT("children not destroyed") );
- // make sure that there are no dangling pointers left pointing to us
- wxPanel *panel = wxDynamicCast(GetParent(), wxPanel);
- if ( panel )
- {
- if ( panel->GetLastFocus() == this )
- {
- panel->SetLastFocus((wxWindow *)NULL);
- }
- }
-
#if wxUSE_CARET
if ( m_caret )
delete m_caret;
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.
m_constraints = NULL;
}
+#endif // wxUSE_CONSTRAINTS
+
+ if ( m_containingSizer )
+ m_containingSizer->Detach( (wxWindow*)this );
+
if ( m_windowSizer )
delete m_windowSizer;
-#endif // wxUSE_CONSTRAINTS
-
#if wxUSE_DRAG_AND_DROP
if ( m_dropTarget )
delete m_dropTarget;
if ( m_tooltip )
delete m_tooltip;
#endif // wxUSE_TOOLTIPS
+
+#if wxUSE_ACCESSIBILITY
+ if ( m_accessible )
+ delete m_accessible;
+#endif
+
+ // reset the dangling pointer our parent window may keep to us
+ if ( m_parent && m_parent->GetDefaultItem() == this )
+ {
+ m_parent->SetDefaultItem(NULL);
+ }
}
bool wxWindowBase::Destroy()
bool wxWindowBase::DestroyChildren()
{
- wxWindowList::Node *node;
+ wxWindowList::compatibility_iterator node;
for ( ;; )
{
// we iterate until the list becomes empty
wxASSERT_MSG( child, wxT("children list contains empty nodes") );
+ child->Show(FALSE);
delete child;
wxASSERT_MSG( !GetChildren().Find(child),
// centre the window with respect to its parent in either (or both) directions
void wxWindowBase::Centre(int direction)
{
+ // the position/size of the parent window or of the entire screen
+ wxPoint posParent;
int widthParent, heightParent;
- wxWindow *parent = GetParent();
- if ( !parent )
+ wxWindow *parent = NULL;
+
+ if ( !(direction & wxCENTRE_ON_SCREEN) )
{
- // no other choice
- direction |= wxCENTRE_ON_SCREEN;
+ // find the parent to centre this window on: it should be the
+ // immediate parent for the controls but the top level parent for the
+ // top level windows (like dialogs)
+ parent = GetParent();
+ if ( IsTopLevel() )
+ {
+ while ( parent && !parent->IsTopLevel() )
+ {
+ parent = parent->GetParent();
+ }
+ }
+
+ // there is no wxTopLevelWindow under wxMotif yet
+#ifndef __WXMOTIF__
+ // we shouldn't center the dialog on the iconized window: under
+ // Windows, for example, this places it completely off the screen
+ if ( parent )
+ {
+ wxTopLevelWindow *winTop = wxDynamicCast(parent, wxTopLevelWindow);
+ if ( winTop && winTop->IsIconized() )
+ {
+ parent = NULL;
+ }
+ }
+#endif // __WXMOTIF__
+
+ // did we find the parent?
+ if ( !parent )
+ {
+ // no other choice
+ direction |= wxCENTRE_ON_SCREEN;
+ }
}
if ( direction & wxCENTRE_ON_SCREEN )
}
else
{
- // centre inside the parents rectangle
- parent->GetClientSize(&widthParent, &heightParent);
+ if ( IsTopLevel() )
+ {
+ // centre on the parent
+ parent->GetSize(&widthParent, &heightParent);
+
+ // adjust to the parents position
+ posParent = parent->GetPosition();
+ }
+ else
+ {
+ // centre inside the parents client rectangle
+ parent->GetClientSize(&widthParent, &heightParent);
+ }
}
int width, height;
if ( direction & wxVERTICAL )
yNew = (heightParent - height)/2;
- // controls are always centered on their parent because it doesn't make
- // sense to centre them on the screen
- if ( !(direction & wxCENTRE_ON_SCREEN) || wxDynamicCast(this, wxControl) )
- {
- // theo nly chance to get this is to have a wxControl without parent
- wxCHECK_RET( parent, wxT("a control must have a parent") );
+ xNew += posParent.x;
+ yNew += posParent.y;
- // adjust to the parents client area origin
- wxPoint posParent = parent->ClientToScreen(wxPoint(0, 0));
+ // Base size of the visible dimensions of the display
+ // to take into account the taskbar
+ wxRect rect = wxGetClientDisplayRect();
+ wxSize size (rect.width,rect.height);
- xNew += posParent.x;
- yNew += posParent.y;
+ // NB: in wxMSW, negative position may not neccessary mean "out of screen",
+ // but it may mean that the window is placed on other than the main
+ // display. Therefore we only make sure centered window is on the main display
+ // if the parent is at least partially present here.
+ if (posParent.x + widthParent >= 0) // if parent is (partially) on the main display
+ {
+ if (xNew < 0)
+ xNew = 0;
+ else if (xNew+width > size.x)
+ xNew = size.x-width-1;
+ }
+ if (posParent.y + heightParent >= 0) // if parent is (partially) on the main display
+ {
+ if (yNew+height > size.y)
+ yNew = size.y-height-1;
+
+ // Make certain that the title bar is initially visible
+ // always, even if this would push the bottom of the
+ // dialog of the visible area of the display
+ if (yNew < 0)
+ yNew = 0;
}
- // move the centre of this window to this position
- Move(xNew, yNew);
+ // move the window to this position (keeping the old size but using
+ // SetSize() and not Move() to allow xNew and/or yNew to be -1)
+ SetSize(xNew, yNew, width, height, wxSIZE_ALLOW_MINUS_ONE);
}
// fits the window around the children
//else: do nothing if we have no children
}
+// fits virtual size (ie. scrolled area etc.) around children
+void wxWindowBase::FitInside()
+{
+ if ( GetChildren().GetCount() > 0 )
+ {
+ SetVirtualSize( GetBestVirtualSize() );
+ }
+}
+
// return the size best suited for the current window
wxSize wxWindowBase::DoGetBestSize() const
{
- if ( GetChildren().GetCount() > 0 )
+ if ( m_windowSizer )
+ {
+ return 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::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 :-(
+ }
+
+ return wxSize(maxX, maxY);
+ }
+#endif // wxUSE_CONSTRAINTS
+ else if ( GetChildren().GetCount() > 0 )
{
// our minimal acceptable size is such that all our windows fit inside
int maxX = 0,
maxY = 0;
- for ( wxWindowList::Node *node = GetChildren().GetFirst();
+ for ( wxWindowList::compatibility_iterator node = GetChildren().GetFirst();
node;
node = node->GetNext() )
{
wxWindow *win = node->GetData();
- if ( win->IsTopLevel() )
+ if ( win->IsTopLevel()
+#if wxUSE_STATUSBAR
+ || wxDynamicCast(win, wxStatusBar)
+#endif // wxUSE_STATUSBAR
+ )
{
// dialogs and frames lie in different top level windows -
- // don't deal with them here
+ // don't deal with them here; as for the status bars, they
+ // don't lie in the client area at all
continue;
}
int wx, wy, ww, wh;
win->GetPosition(&wx, &wy);
+
+ // if the window hadn't been positioned yet, assume that it is in
+ // the origin
+ if ( wx == -1 )
+ wx = 0;
+ if ( wy == -1 )
+ wy = 0;
+
win->GetSize(&ww, &wh);
if ( wx + ww > maxX )
maxX = wx + ww;
maxY = wy + wh;
}
- // leave a margin
- return wxSize(maxX + 7, maxY + 14);
+ // for compatibility with the old versions and because it really looks
+ // slightly more pretty like this, add a pad
+ maxX += 7;
+ maxY += 14;
+
+ return wxSize(maxX, maxY);
}
else
{
}
}
+// by default the origin is not shifted
+wxPoint wxWindowBase::GetClientAreaOrigin() const
+{
+ return wxPoint(0, 0);
+}
+
// 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))
{
+ // setting min width greater than max width leads to infinite loops under
+ // X11 and generally doesn't make any sense, so don't allow it
+ wxCHECK_RET( (minW == -1 || maxW == -1 || minW <= maxW) &&
+ (minH == -1 || maxH == -1 || minH <= maxH),
+ _T("min width/height must be less than max width/height!") );
+
m_minWidth = minW;
m_maxWidth = maxW;
m_minHeight = minH;
m_maxHeight = maxH;
}
+void wxWindowBase::SetVirtualSizeHints( int minW, int minH,
+ int maxW, int maxH )
+{
+ m_minVirtualWidth = minW;
+ m_maxVirtualWidth = maxW;
+ m_minVirtualHeight = minH;
+ m_maxVirtualHeight = maxH;
+}
+
+void wxWindowBase::DoSetVirtualSize( int x, int y )
+{
+ if ( m_minVirtualWidth != -1 && m_minVirtualWidth > x )
+ x = m_minVirtualWidth;
+ if ( m_maxVirtualWidth != -1 && m_maxVirtualWidth < x )
+ x = m_maxVirtualWidth;
+ if ( m_minVirtualHeight != -1 && m_minVirtualHeight > y )
+ y = m_minVirtualHeight;
+ if ( m_maxVirtualHeight != -1 && m_maxVirtualHeight < y )
+ y = m_maxVirtualHeight;
+
+ m_virtualSize = wxSize(x, y);
+}
+
+wxSize wxWindowBase::DoGetVirtualSize() const
+{
+ wxSize s( GetClientSize() );
+
+ return wxSize( wxMax( m_virtualSize.GetWidth(), s.GetWidth() ),
+ wxMax( m_virtualSize.GetHeight(), s.GetHeight() ) );
+}
+
// ----------------------------------------------------------------------------
// show/hide/enable/disable the window
// ----------------------------------------------------------------------------
{
wxCHECK_RET( child, wxT("can't add a NULL child") );
- GetChildren().Append(child);
+ // 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") );
+
+ GetChildren().Append((wxWindow*)child);
child->SetParent(this);
}
{
wxCHECK_RET( child, wxT("can't remove a NULL child") );
- GetChildren().DeleteObject(child);
- child->SetParent((wxWindow *)NULL);
+ GetChildren().DeleteObject((wxWindow *)child);
+ child->SetParent(NULL);
}
bool wxWindowBase::Reparent(wxWindowBase *newParent)
}
else
{
- wxTopLevelWindows.DeleteObject(this);
+ wxTopLevelWindows.DeleteObject((wxWindow *)this);
}
// add it to the new one
}
else
{
- wxTopLevelWindows.Append(this);
+ wxTopLevelWindows.Append((wxWindow *)this);
}
return TRUE;
void wxWindowBase::PushEventHandler(wxEvtHandler *handler)
{
- handler->SetNextHandler(GetEventHandler());
+ wxEvtHandler *handlerOld = GetEventHandler();
+
+ handler->SetNextHandler(handlerOld);
+
+ if ( handlerOld )
+ GetEventHandler()->SetPreviousHandler(handler);
+
SetEventHandler(handler);
}
{
wxEvtHandler *handlerB = handlerA->GetNextHandler();
handlerA->SetNextHandler((wxEvtHandler *)NULL);
+
+ if ( handlerB )
+ handlerB->SetPreviousHandler((wxEvtHandler *)NULL);
SetEventHandler(handlerB);
+
if ( deleteHandler )
{
delete handlerA;
return handlerA;
}
+bool wxWindowBase::RemoveEventHandler(wxEvtHandler *handler)
+{
+ wxCHECK_MSG( handler, FALSE, _T("RemoveEventHandler(NULL) called") );
+
+ wxEvtHandler *handlerPrev = NULL,
+ *handlerCur = GetEventHandler();
+ while ( handlerCur )
+ {
+ wxEvtHandler *handlerNext = handlerCur->GetNextHandler();
+
+ if ( handlerCur == handler )
+ {
+ if ( handlerPrev )
+ {
+ handlerPrev->SetNextHandler(handlerNext);
+ }
+ else
+ {
+ SetEventHandler(handlerNext);
+ }
+
+ if ( handlerNext )
+ {
+ handlerNext->SetPreviousHandler ( handlerPrev );
+ }
+ handler->SetNextHandler(NULL);
+
+ return TRUE;
+ }
+
+ handlerPrev = handlerCur;
+ handlerCur = handlerNext;
+ }
+
+ wxFAIL_MSG( _T("where has the event handler gone?") );
+
+ return FALSE;
+}
+
// ----------------------------------------------------------------------------
// cursors, fonts &c
// ----------------------------------------------------------------------------
m_backgroundColour = colour;
+ m_hasBgCol = TRUE;
+
return TRUE;
}
m_foregroundColour = colour;
+ m_hasFgCol = TRUE;
+
return TRUE;
}
bool wxWindowBase::SetCursor(const wxCursor& cursor)
{
- // don't try to set invalid cursor, always fall back to the default
- const wxCursor& cursorOk = cursor.Ok() ? cursor : *wxSTANDARD_CURSOR;
-
- if ( (wxCursor&)cursorOk == m_cursor )
+ // 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 = cursorOk;
+ m_cursor = cursor;
return TRUE;
}
// don't try to set invalid font, always fall back to the default
const wxFont& fontOk = font.Ok() ? font : *wxSWISS_FONT;
- if ( (wxFont&)fontOk == m_font )
+ if ( fontOk == m_font )
{
// no change
return FALSE;
m_font = fontOk;
+ m_hasFont = TRUE;
+
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)
{
#endif // wxUSE_VALIDATORS
// ----------------------------------------------------------------------------
-// update region testing
+// 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::IsExposed(int x, int y) const
{
return m_updateRegion.Contains(x, y) != wxOutRegion;
}
// ----------------------------------------------------------------------------
-// find window by id or name
+// find child window by id or name
// ----------------------------------------------------------------------------
wxWindow *wxWindowBase::FindWindow( long id )
return (wxWindow *)this;
wxWindowBase *res = (wxWindow *)NULL;
- wxWindowList::Node *node;
+ wxWindowList::compatibility_iterator node;
for ( node = m_children.GetFirst(); node && !res; node = node->GetNext() )
{
wxWindowBase *child = node->GetData();
return (wxWindow *)this;
wxWindowBase *res = (wxWindow *)NULL;
- wxWindowList::Node *node;
+ wxWindowList::compatibility_iterator node;
for ( node = m_children.GetFirst(); node && !res; node = node->GetNext() )
{
wxWindow *child = node->GetData();
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, _T(""), id, wxFindWindowCmpIds);
+}
+
// ----------------------------------------------------------------------------
// dialog oriented functions
// ----------------------------------------------------------------------------
// Disable all other windows
if ( IsTopLevel() )
{
- wxWindowList::Node *node = wxTopLevelWindows.GetFirst();
+ wxWindowList::compatibility_iterator node = wxTopLevelWindows.GetFirst();
while (node)
{
wxWindow *win = node->GetData();
bool wxWindowBase::Validate()
{
#if wxUSE_VALIDATORS
- wxWindowList::Node *node;
+ 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();
{
return FALSE;
}
+
+ if ( recurse && !child->Validate() )
+ {
+ return FALSE;
+ }
}
#endif // wxUSE_VALIDATORS
bool wxWindowBase::TransferDataToWindow()
{
#if wxUSE_VALIDATORS
- wxWindowList::Node *node;
+ 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() )
{
- wxLog *log = wxLog::GetActiveTarget();
- if ( log )
- {
- wxLogWarning(_("Could not transfer data to window"));
- log->Flush();
- }
+ 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
bool wxWindowBase::TransferDataFromWindow()
{
#if wxUSE_VALIDATORS
- wxWindowList::Node *node;
+ 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();
- if ( child->GetValidator() &&
- !child->GetValidator()->TransferFromWindow() )
+ 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
}
// ----------------------------------------------------------------------------
-// tooltips
+// 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);
+ }
+}
+
+// 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);
+ }
+}
+
+// get the help string associated with this window (may be empty)
+wxString wxWindowBase::GetHelpText() 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 )
+ {
+ if ( helpProvider->ShowHelp(this) )
+ {
+ // skip the event.Skip() below
+ return;
+ }
+ }
+
+ event.Skip();
+}
+
+#endif // wxUSE_HELP
+
+// ----------------------------------------------------------------------------
+// tooltipsroot.Replace("\\", "/");
// ----------------------------------------------------------------------------
#if wxUSE_TOOLTIPS
{
if ( !m_constraintsInvolvedIn )
m_constraintsInvolvedIn = new wxWindowList;
- if ( !m_constraintsInvolvedIn->Find(otherWin) )
- m_constraintsInvolvedIn->Append(otherWin);
+ 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(otherWin);
+ m_constraintsInvolvedIn->DeleteObject((wxWindow *)otherWin);
}
// Reset any constraints that mention this window
{
if ( m_constraintsInvolvedIn )
{
- wxWindowList::Node *node = m_constraintsInvolvedIn->GetFirst();
+ wxWindowList::compatibility_iterator node = m_constraintsInvolvedIn->GetFirst();
while (node)
{
wxWindow *win = node->GetData();
constr->centreY.ResetIfWin(this);
}
- wxWindowList::Node *next = node->GetNext();
- delete node;
+ wxWindowList::compatibility_iterator next = node->GetNext();
+ m_constraintsInvolvedIn->Erase(node);
node = next;
}
}
}
-void wxWindowBase::SetSizer(wxSizer *sizer)
-{
- if (m_windowSizer) delete m_windowSizer;
+#endif // wxUSE_CONSTRAINTS
+
+void wxWindowBase::SetSizer(wxSizer *sizer, bool deleteOld)
+{
+ if ( deleteOld )
+ delete m_windowSizer;
m_windowSizer = sizer;
+
+ SetAutoLayout( sizer != NULL );
}
-bool wxWindowBase::Layout()
+void wxWindowBase::SetSizerAndFit(wxSizer *sizer, bool deleteOld)
+{
+ SetSizer( sizer, deleteOld );
+ sizer->SetSizeHints( (wxWindow*) this );
+}
+
+#if wxUSE_CONSTRAINTS
+
+void wxWindowBase::SatisfyConstraints()
{
- int w, h;
- GetClientSize(&w, &h);
+ 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, h;
+ GetVirtualSize(&w, &h);
GetSizer()->SetDimension( 0, 0, w, h );
- return TRUE;
}
-
- if ( GetConstraints() )
+#if wxUSE_CONSTRAINTS
+ else
{
- GetConstraints()->width.SetValue(w);
- GetConstraints()->height.SetValue(h);
+ SatisfyConstraints(); // Find the right constraints values
+ SetConstraintSizes(); // Recursively set the real window sizes
}
-
- // Evaluate child constraints
- ResetConstraints(); // Mark all constraints as unevaluated
- DoPhase(1); // Just one phase need if no sizers involved
- DoPhase(2);
- SetConstraintSizes(); // Recursively set the real window sizes
+#endif
return TRUE;
}
+#if wxUSE_CONSTRAINTS
-// 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.
+// first phase of the constraints evaluation: set our own constraints
bool wxWindowBase::LayoutPhase1(int *noChanges)
{
wxLayoutConstraints *constr = GetConstraints();
- if ( constr )
- {
- return constr->SatisfyConstraints(this, noChanges);
- }
- else
- return TRUE;
+
+ 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)
{
- int noIterations = 0;
- int maxIterations = 500;
- int noChanges = 1;
- int noFailures = 0;
+ // the list containing the children for which the constraints are already
+ // set correctly
wxWindowList succeeded;
- while ((noChanges > 0) && (noIterations < maxIterations))
+
+ // 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++ )
{
- noChanges = 0;
- noFailures = 0;
- wxWindowList::Node *node = GetChildren().GetFirst();
- while (node)
+ 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() )
+ 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);
- }
- }
- }
+ // 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);
}
- node = node->GetNext();
}
- noIterations++;
+ if ( !noChanges )
+ {
+ // constraints are set
+ break;
+ }
}
return TRUE;
constr->centreX.SetDone(FALSE);
constr->centreY.SetDone(FALSE);
}
- wxWindowList::Node *node = GetChildren().GetFirst();
+
+ wxWindowList::compatibility_iterator node = GetChildren().GetFirst();
while (node)
{
wxWindow *win = node->GetData();
void wxWindowBase::SetConstraintSizes(bool recurse)
{
wxLayoutConstraints *constr = GetConstraints();
- if ( constr && constr->left.GetDone() && constr->right.GetDone( ) &&
- constr->width.GetDone() && constr->height.GetDone())
+ if ( constr && constr->AreSatisfied() )
{
int x = constr->left.GetValue();
int y = constr->top.GetValue();
}
else if ( constr )
{
- wxChar *windowClass = GetClassInfo()->GetClassName();
-
- wxString winName;
- if ( GetName() == wxT("") )
- winName = wxT("unnamed");
- else
- winName = GetName();
- wxLogDebug( wxT("Constraint(s) not satisfied for window of type %s, name %s:\n"),
- (const wxChar *)windowClass,
- (const wxChar *)winName);
- if ( !constr->left.GetDone()) wxLogDebug( wxT(" unsatisfied 'left' constraint.\n") );
- if ( !constr->right.GetDone()) wxLogDebug( wxT(" unsatisfied 'right' constraint.\n") );
- if ( !constr->width.GetDone()) wxLogDebug( wxT(" unsatisfied 'width' constraint.\n") );
- if ( !constr->height.GetDone()) wxLogDebug( wxT(" unsatisfied 'height' constraint.\n") );
- wxLogDebug( wxT("Please check constraints: try adding AsIs() constraints.\n") );
+ wxLogDebug(wxT("Constraints not satisfied for %s named '%s'."),
+ GetClassInfo()->GetClassName(),
+ GetName().c_str());
}
if ( recurse )
{
- wxWindowList::Node *node = GetChildren().GetFirst();
+ wxWindowList::compatibility_iterator node = GetChildren().GetFirst();
while (node)
{
wxWindow *win = node->GetData();
- if ( !win->IsTopLevel() )
+ if ( !win->IsTopLevel() && win->GetConstraints() )
win->SetConstraintSizes();
node = node->GetNext();
}
#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;
+ }
+ }
+}
+
// ----------------------------------------------------------------------------
// do Update UI processing for child controls
// ----------------------------------------------------------------------------
-// TODO: should this be implemented for the child window rather
-// than the parent? Then you can override it e.g. for wxCheckBox
-// to do the Right Thing rather than having to assume a fixed number
-// of control classes.
-void wxWindowBase::UpdateWindowUI()
+void wxWindowBase::UpdateWindowUI(long flags)
{
wxUpdateUIEvent event(GetId());
event.m_eventObject = this;
if ( GetEventHandler()->ProcessEvent(event) )
{
- if ( event.GetSetEnabled() )
- Enable(event.GetEnabled());
+ DoUpdateWindowUI(event);
+ }
- if ( event.GetSetText() )
+ if (flags & wxUPDATE_UI_RECURSE)
+ {
+ wxWindowList::compatibility_iterator node = GetChildren().GetFirst();
+ while (node)
{
- wxControl *control = wxDynamicCast(this, wxControl);
- if ( control )
- {
- wxTextCtrl *text = wxDynamicCast(control, wxTextCtrl);
- if ( text )
- text->SetValue(event.GetText());
- else
- control->SetLabel(event.GetText());
- }
+ wxWindow* child = (wxWindow*) node->GetData();
+ child->UpdateWindowUI(flags);
+ node = node->GetNext();
}
+ }
+}
+// do the window-specific processing after processing the update event
+// TODO: take specific knowledge out of this function and
+// put in each control's base class. Unfortunately we don't
+// yet have base implementation files for wxCheckBox and wxRadioButton.
+void wxWindowBase::DoUpdateWindowUI(wxUpdateUIEvent& event)
+{
+ if ( event.GetSetEnabled() )
+ Enable(event.GetEnabled());
+
+#if wxUSE_CONTROLS
+ if ( event.GetSetText() )
+ {
+ wxControl *control = wxDynamicCastThis(wxControl);
+ if ( control )
+ {
+ if ( event.GetText() != control->GetLabel() )
+ control->SetLabel(event.GetText());
+ }
#if wxUSE_CHECKBOX
- wxCheckBox *checkbox = wxDynamicCast(this, wxCheckBox);
+ wxCheckBox *checkbox = wxDynamicCastThis(wxCheckBox);
if ( checkbox )
{
if ( event.GetSetChecked() )
#endif // wxUSE_CHECKBOX
#if wxUSE_RADIOBTN
- wxRadioButton *radiobtn = wxDynamicCast(this, wxRadioButton);
+ wxRadioButton *radiobtn = wxDynamicCastThis(wxRadioButton);
if ( radiobtn )
{
if ( event.GetSetChecked() )
radiobtn->SetValue(event.GetChecked());
}
#endif // wxUSE_RADIOBTN
+ }
+#endif
+}
+
+#if 0
+// call internal idle recursively
+// may be obsolete (wait until OnIdle scheme stabilises)
+void wxWindowBase::ProcessInternalIdle()
+{
+ OnInternalIdle();
+
+ wxWindowList::compatibility_iterator node = GetChildren().GetFirst();
+ while (node)
+ {
+ wxWindow *child = node->GetData();
+ child->ProcessInternalIdle();
+ node = node->GetNext();
}
}
+#endif
// ----------------------------------------------------------------------------
// dialog units translations
}
// ----------------------------------------------------------------------------
-// client data
+// event handlers
// ----------------------------------------------------------------------------
-void wxWindowBase::DoSetClientObject( wxClientData *data )
+// 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.m_eventObject = win;
+ win->GetEventHandler()->ProcessEvent(event2);
+ }
+
+ node = node->GetNext();
+ }
+}
+
+// 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) )
+{
+ TransferDataToWindow();
+
+ // Update the UI at this point
+ UpdateWindowUI(wxUPDATE_UI_RECURSE);
+}
+
+// process Ctrl-Alt-mclick
+void wxWindowBase::OnMiddleClick( wxMouseEvent& event )
{
- wxASSERT_MSG( m_clientDataType != ClientData_Void,
- wxT("can't have both object and void client data") );
+#if wxUSE_MSGDLG
+ if ( event.ControlDown() && event.AltDown() )
+ {
+ // don't translate these strings
+ wxString port;
+
+#ifdef __WXUNIVERSAL__
+ port = _T("Univ/");
+#endif // __WXUNIVERSAL__
- if ( m_clientObject )
- delete m_clientObject;
+ switch ( wxGetOsVersion() )
+ {
+ case wxMOTIF_X: port += _T("Motif"); break;
+ case wxMAC:
+ case wxMAC_DARWIN: 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;
+ }
- m_clientObject = data;
- m_clientDataType = ClientData_Object;
+ wxMessageBox(wxString::Format(
+ _T(
+ " wxWindows Library (%s port)\nVersion %u.%u.%u%s, compiled at %s %s\n Copyright (c) 1995-2002 wxWindows team"
+ ),
+ port.c_str(),
+ wxMAJOR_VERSION,
+ wxMINOR_VERSION,
+ wxRELEASE_NUMBER,
+#if wxUSE_UNICODE
+ L" (Unicode)",
+#else
+ "",
+#endif
+ __TDATE__,
+ __TTIME__
+ ),
+ _T("wxWindows information"),
+ wxICON_INFORMATION | wxOK,
+ (wxWindow *)this);
+ }
+ else
+#endif // wxUSE_MSGDLG
+ {
+ event.Skip();
+ }
}
-wxClientData *wxWindowBase::DoGetClientObject() const
+// ----------------------------------------------------------------------------
+// accessibility
+// ----------------------------------------------------------------------------
+
+#if wxUSE_ACCESSIBILITY
+void wxWindowBase::SetAccessible(wxAccessible* accessible)
{
- wxASSERT_MSG( m_clientDataType == ClientData_Object,
- wxT("this window doesn't have object client data") );
+ 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);
+}
- return m_clientObject;
+#endif
+
+#if !wxUSE_STL
+// ----------------------------------------------------------------------------
+// list classes implementation
+// ----------------------------------------------------------------------------
+
+void wxWindowListNode::DeleteData()
+{
+ delete (wxWindow *)GetData();
}
+#endif
-void wxWindowBase::DoSetClientData( void *data )
+// ----------------------------------------------------------------------------
+// borders
+// ----------------------------------------------------------------------------
+
+wxBorder wxWindowBase::GetBorder(long flags) const
{
- wxASSERT_MSG( m_clientDataType != ClientData_Object,
- wxT("can't have both object and void client data") );
+ wxBorder border = (wxBorder)(flags & wxBORDER_MASK);
+ if ( border == wxBORDER_DEFAULT )
+ {
+ border = GetDefaultBorder();
+ }
- m_clientData = data;
- m_clientDataType = ClientData_Void;
+ return border;
}
-void *wxWindowBase::DoGetClientData() const
+wxBorder wxWindowBase::GetDefaultBorder() const
{
- wxASSERT_MSG( m_clientDataType == ClientData_Void,
- wxT("this window doesn't have void client data") );
+ 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 m_clientData;
+ return outside ? wxHT_WINDOW_OUTSIDE : wxHT_WINDOW_INSIDE;
}
// ----------------------------------------------------------------------------
-// event handlers
+// mouse capture
// ----------------------------------------------------------------------------
-// propagate the colour change event to the subwindows
-void wxWindowBase::OnSysColourChanged(wxSysColourChangedEvent& event)
+struct WXDLLEXPORT wxWindowNext
{
- wxWindowList::Node *node = GetChildren().GetFirst();
- while ( node )
+ wxWindow *win;
+ wxWindowNext *next;
+} *wxWindowBase::ms_winCaptureNext = NULL;
+
+void wxWindowBase::CaptureMouse()
+{
+ wxLogTrace(_T("mousecapture"), _T("CaptureMouse(%p)"), this);
+
+ wxWindow *winOld = GetCapture();
+ if ( winOld )
{
- // Only propagate to non-top-level windows
- wxWindow *win = node->GetData();
- if ( !win->IsTopLevel() )
+ ((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();
+}
+
+void wxWindowBase::ReleaseMouse()
+{
+ wxLogTrace(_T("mousecapture"), _T("ReleaseMouse(%p)"), this);
+
+ wxASSERT_MSG( GetCapture() == this, wxT("attempt to release mouse, but this window hasn't captured it") );
+
+ DoReleaseMouse();
+
+ if ( ms_winCaptureNext )
+ {
+ ((wxWindowBase*)ms_winCaptureNext->win)->DoCaptureMouse();
+
+ wxWindowNext *item = ms_winCaptureNext;
+ ms_winCaptureNext = item->next;
+ delete item;
+ }
+ //else: stack is empty, no previous capture
+
+ wxLogTrace(_T("mousecapture"),
+ _T("After ReleaseMouse() mouse is captured by %p"),
+ GetCapture());
+}
+
+#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
+
+void wxWindowBase::SendDestroyEvent()
+{
+ wxWindowDestroyEvent event;
+ event.SetEventObject(this);
+ event.SetId(GetId());
+ GetEventHandler()->ProcessEvent(event);
+}
+
+// ----------------------------------------------------------------------------
+// event processing
+// ----------------------------------------------------------------------------
+
+#if wxUSE_VALIDATORS
+
+bool wxWindowBase::TryValidator(wxEvent& event)
+{
+ // 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) )
{
- wxSysColourChangedEvent event2;
- event.m_eventObject = win;
- win->GetEventHandler()->ProcessEvent(event2);
+ return TRUE;
}
+ }
- node = node->GetNext();
+ return FALSE;
+}
+
+#endif // wxUSE_VALIDATORS
+
+bool wxWindowBase::TryParent(wxEvent& event)
+{
+ // Carry on up the parent-child hierarchy, but only if event is a command
+ // event: it wouldn't make sense for a parent to receive a child's size
+ // event, for example
+ if ( event.IsCommandEvent() )
+ {
+ // 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() )
+ return parent->GetEventHandler()->ProcessEvent(event);
+ }
}
+
+ return wxEvtHandler::TryParent(event);
}
-// the default action is to populate dialog with data when it's created
-void wxWindowBase::OnInitDialog( wxInitDialogEvent &WXUNUSED(event) )
+// ----------------------------------------------------------------------------
+// global functions
+// ----------------------------------------------------------------------------
+
+wxWindow* wxGetTopLevelParent(wxWindow *win)
{
- TransferDataToWindow();
+ while ( win && !win->IsTopLevel() )
+ win = win->GetParent();
+
+ return win;
}
+#if wxUSE_ACCESSIBILITY
// ----------------------------------------------------------------------------
-// list classes implementation
+// accessible object for windows
// ----------------------------------------------------------------------------
-void wxWindowListNode::DeleteData()
+// Can return either a child object, or an integer
+// representing the child element, starting from 1.
+wxAccStatus wxWindowAccessible::HitTest(const wxPoint& pt, int* childId, wxAccessible** childObject)
{
- delete (wxWindow *)GetData();
+ wxASSERT( GetWindow() != NULL );
+ if (!GetWindow())
+ return wxACC_FAIL;
+
+ return wxACC_NOT_IMPLEMENTED;
+}
+
+// Returns the rectangle for this object (id = 0) or a child element (id > 0).
+wxAccStatus wxWindowAccessible::GetLocation(wxRect& rect, int elementId)
+{
+ wxASSERT( GetWindow() != NULL );
+ if (!GetWindow())
+ return wxACC_FAIL;
+
+ wxWindow* win = NULL;
+ if (elementId == 0)
+ {
+ win = GetWindow();
+ }
+ else
+ {
+ if (elementId <= (int) GetWindow()->GetChildren().GetCount())
+ {
+ win = (wxWindow*) GetWindow()->GetChildren().Nth(elementId-1)->GetData();
+ }
+ else
+ return wxACC_FAIL;
+ }
+ if (win)
+ {
+ rect = win->GetRect();
+ if (win->GetParent() && !win->IsKindOf(CLASSINFO(wxTopLevelWindow)))
+ rect.SetPosition(win->GetParent()->ClientToScreen(rect.GetPosition()));
+ return wxACC_OK;
+ }
+
+ return wxACC_NOT_IMPLEMENTED;
+}
+
+// Navigates from fromId to toId/toObject.
+wxAccStatus wxWindowAccessible::Navigate(wxNavDir navDir, int fromId,
+ int* toId, wxAccessible** toObject)
+{
+ wxASSERT( GetWindow() != NULL );
+ if (!GetWindow())
+ return wxACC_FAIL;
+
+ switch (navDir)
+ {
+ case wxNAVDIR_FIRSTCHILD:
+ {
+ if (GetWindow()->GetChildren().GetCount() == 0)
+ return wxACC_FALSE;
+ wxWindow* childWindow = (wxWindow*) GetWindow()->GetChildren().GetFirst()->GetData();
+ *toObject = childWindow->GetOrCreateAccessible();
+
+ return wxACC_OK;
+ }
+ case wxNAVDIR_LASTCHILD:
+ {
+ if (GetWindow()->GetChildren().GetCount() == 0)
+ return wxACC_FALSE;
+ wxWindow* childWindow = (wxWindow*) GetWindow()->GetChildren().GetLast()->GetData();
+ *toObject = childWindow->GetOrCreateAccessible();
+
+ return wxACC_OK;
+ }
+ case wxNAVDIR_RIGHT:
+ case wxNAVDIR_DOWN:
+ case wxNAVDIR_NEXT:
+ {
+ wxWindowList::compatibility_iterator node = NULL;
+ 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().Nth(fromId-1);
+ }
+
+ if (node && node->GetNext())
+ {
+ wxWindow* nextWindow = (wxWindow*) node->GetNext()->Data();
+ *toObject = nextWindow->GetOrCreateAccessible();
+ return wxACC_OK;
+ }
+ else
+ return wxACC_FALSE;
+ }
+ case wxNAVDIR_LEFT:
+ case wxNAVDIR_UP:
+ case wxNAVDIR_PREVIOUS:
+ {
+ wxWindowList::compatibility_iterator node = NULL;
+ 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().Nth(fromId-1);
+ }
+
+ if (node && node->GetPrevious())
+ {
+ wxWindow* previousWindow = (wxWindow*) node->GetPrevious()->Data();
+ *toObject = previousWindow->GetOrCreateAccessible();
+ return wxACC_OK;
+ }
+ else
+ return wxACC_FALSE;
+ }
+ }
+
+ return wxACC_NOT_IMPLEMENTED;
+}
+
+// Gets the name of the specified object.
+wxAccStatus wxWindowAccessible::GetName(int childId, wxString* name)
+{
+ wxASSERT( GetWindow() != NULL );
+ if (!GetWindow())
+ return wxACC_FAIL;
+
+ wxString title;
+
+ // If a child, leave wxWindows 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 wxWindows
+ // control or window.
+ if (GetWindow()->IsKindOf(CLASSINFO(wxButton)))
+ title = ((wxButton*) GetWindow())->GetLabel();
+ else
+ title = GetWindow()->GetName();
+
+ if (!title.IsEmpty())
+ {
+ *name = title;
+ return wxACC_OK;
+ }
+ else
+ return wxACC_NOT_IMPLEMENTED;
+}
+
+// Gets the number of children.
+wxAccStatus wxWindowAccessible::GetChildCount(int* childId)
+{
+ wxASSERT( GetWindow() != NULL );
+ if (!GetWindow())
+ return wxACC_FAIL;
+
+ *childId = (int) GetWindow()->GetChildren().GetCount();
+ return wxACC_OK;
+}
+
+// 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)
+{
+ wxASSERT( GetWindow() != NULL );
+ if (!GetWindow())
+ return wxACC_FAIL;
+
+ if (childId == 0)
+ {
+ *child = this;
+ return wxACC_OK;
+ }
+
+ if (childId > (int) GetWindow()->GetChildren().GetCount())
+ return wxACC_FAIL;
+
+ wxWindow* childWindow = (wxWindow*) GetWindow()->GetChildren().Nth(childId-1)->GetData();
+ *child = childWindow->GetOrCreateAccessible();
+ if (*child)
+ return wxACC_OK;
+ else
+ return wxACC_FAIL;
+}
+
+// Gets the parent, or NULL.
+wxAccStatus wxWindowAccessible::GetParent(wxAccessible** parent)
+{
+ wxASSERT( GetWindow() != NULL );
+ if (!GetWindow())
+ return wxACC_FAIL;
+
+ wxWindow* parentWindow = GetWindow()->GetParent();
+ if (!parentWindow)
+ {
+ *parent = NULL;
+ return wxACC_OK;
+ }
+ else
+ {
+ *parent = parentWindow->GetOrCreateAccessible();
+ if (*parent)
+ return wxACC_OK;
+ else
+ return wxACC_FAIL;
+ }
+}
+
+// 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 childId)
+{
+ wxASSERT( GetWindow() != NULL );
+ if (!GetWindow())
+ return wxACC_FAIL;
+
+ return wxACC_NOT_IMPLEMENTED;
+}
+
+// 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 childId, wxString* actionName)
+{
+ wxASSERT( GetWindow() != NULL );
+ if (!GetWindow())
+ return wxACC_FAIL;
+
+ return wxACC_NOT_IMPLEMENTED;
+}
+
+// Returns the description for this object or a child.
+wxAccStatus wxWindowAccessible::GetDescription(int childId, wxString* description)
+{
+ wxASSERT( GetWindow() != NULL );
+ if (!GetWindow())
+ return wxACC_FAIL;
+
+ wxString ht(GetWindow()->GetHelpText());
+ if (!ht.IsEmpty())
+ {
+ *description = ht;
+ return wxACC_OK;
+ }
+ return wxACC_NOT_IMPLEMENTED;
+}
+
+// Returns help text for this object or a child, similar to tooltip text.
+wxAccStatus wxWindowAccessible::GetHelpText(int childId, wxString* helpText)
+{
+ wxASSERT( GetWindow() != NULL );
+ if (!GetWindow())
+ return wxACC_FAIL;
+
+ wxString ht(GetWindow()->GetHelpText());
+ if (!ht.IsEmpty())
+ {
+ *helpText = ht;
+ return wxACC_OK;
+ }
+ return wxACC_NOT_IMPLEMENTED;
+}
+
+// Returns the keyboard shortcut for this object or child.
+// Return e.g. ALT+K
+wxAccStatus wxWindowAccessible::GetKeyboardShortcut(int childId, wxString* shortcut)
+{
+ wxASSERT( GetWindow() != NULL );
+ if (!GetWindow())
+ return wxACC_FAIL;
+
+ return wxACC_NOT_IMPLEMENTED;
+}
+
+// Returns a role constant.
+wxAccStatus wxWindowAccessible::GetRole(int childId, wxAccRole* role)
+{
+ wxASSERT( GetWindow() != NULL );
+ if (!GetWindow())
+ return wxACC_FAIL;
+
+ // If a child, leave wxWindows 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
+
+ //*role = wxROLE_SYSTEM_CLIENT;
+ *role = wxROLE_SYSTEM_CLIENT;
+ return wxACC_OK;
+
+ return wxACC_NOT_IMPLEMENTED;
+}
+
+// Returns a state constant.
+wxAccStatus wxWindowAccessible::GetState(int childId, long* state)
+{
+ wxASSERT( GetWindow() != NULL );
+ if (!GetWindow())
+ return wxACC_FAIL;
+
+ // If a child, leave wxWindows 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
+
+ *state = 0;
+ return wxACC_OK;
+
+ return wxACC_NOT_IMPLEMENTED;
+}
+
+// Returns a localized string representing the value for the object
+// or child.
+wxAccStatus wxWindowAccessible::GetValue(int childId, wxString* strValue)
+{
+ wxASSERT( GetWindow() != NULL );
+ if (!GetWindow())
+ return wxACC_FAIL;
+
+ return wxACC_NOT_IMPLEMENTED;
+}
+
+// Selects the object or child.
+wxAccStatus wxWindowAccessible::Select(int childId, wxAccSelectionFlags selectFlags)
+{
+ wxASSERT( GetWindow() != NULL );
+ if (!GetWindow())
+ return wxACC_FAIL;
+
+ return wxACC_NOT_IMPLEMENTED;
+}
+
+// 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* childId, wxAccessible** child)
+{
+ wxASSERT( GetWindow() != NULL );
+ if (!GetWindow())
+ return wxACC_FAIL;
+
+ return wxACC_NOT_IMPLEMENTED;
+}
+
+// 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* selections)
+{
+ wxASSERT( GetWindow() != NULL );
+ if (!GetWindow())
+ return wxACC_FAIL;
+
+ return wxACC_NOT_IMPLEMENTED;
}
+#endif // wxUSE_ACCESSIBILITY
projects / wxWidgets.git / blobdiff