/////////////////////////////////////////////////////////////////////////////
-// 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
/////////////////////////////////////////////////////////////////////////////
// ============================================================================
// headers
// ----------------------------------------------------------------------------
-#ifdef __GNUG__
- #pragma implementation "windowbase.h"
-#endif
-
// For compilers that support precompilation, includes "wx.h".
#include "wx/wxprec.h"
#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"
#include "wx/statusbr.h"
-#endif //WX_PRECOMP
-
-#if wxUSE_CONSTRAINTS
+ #include "wx/toolbar.h"
+ #include "wx/dcclient.h"
+ #include "wx/scrolbar.h"
#include "wx/layout.h"
#include "wx/sizer.h"
-#endif // wxUSE_CONSTRAINTS
+#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
#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 <gtk/gtkversion.h>
+ #else
+ #include <gtk/gtkfeatures.h>
+ #endif
+ extern const unsigned int gtk_major_version;
+ extern const unsigned int gtk_minor_version;
+ extern const unsigned int gtk_micro_version;
+#endif
+
+#include "wx/platinfo.h"
+
+// Windows List
+WXDLLIMPEXP_DATA_CORE(wxWindowList) wxTopLevelWindows;
+
// ----------------------------------------------------------------------------
// static data
// ----------------------------------------------------------------------------
+#if defined(__WXPALMOS__)
+int wxWindowBase::ms_lastControlId = 32767;
+#elif defined(__WXPM__)
+int wxWindowBase::ms_lastControlId = 2000;
+#else
int wxWindowBase::ms_lastControlId = -200;
+#endif
IMPLEMENT_ABSTRACT_CLASS(wxWindowBase, wxEvtHandler)
EVT_MIDDLE_DOWN(wxWindowBase::OnMiddleClick)
#if wxUSE_HELP
- EVT_HELP(-1, wxWindowBase::OnHelp)
+ EVT_HELP(wxID_ANY, wxWindowBase::OnHelp)
#endif // wxUSE_HELP
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;
+
+ // invalidiated cache value
+ m_bestSizeCache = wxDefaultSize;
- // window is created enabled but it's not visible yet
- m_isShown = FALSE;
- m_isEnabled = TRUE;
+ // window are created enabled and visible by default
+ m_isShown =
+ m_isEnabled = true;
// the default event handler is just this window
m_eventHandler = this;
m_windowValidator = (wxValidator *) NULL;
#endif // wxUSE_VALIDATORS
- // use the system default colours
- 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
+ // 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_hasFont = false;
+ m_inheritBgCol =
+ m_inheritFgCol =
+ m_inheritFont = false;
// 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;
+#endif // wxUSE_CONSTRAINTS
+
m_windowSizer = (wxSizer *) NULL;
m_containingSizer = (wxSizer *) NULL;
- m_autoLayout = FALSE;
-#endif // wxUSE_CONSTRAINTS
+ m_autoLayout = false;
#if wxUSE_DRAG_AND_DROP
m_dropTarget = (wxDropTarget *)NULL;
#endif // wxUSE_CARET
#if wxUSE_PALETTE
- m_hasCustomPalette = FALSE;
+ m_hasCustomPalette = false;
#endif // wxUSE_PALETTE
+#if wxUSE_ACCESSIBILITY
+ m_accessible = NULL;
+#endif
+
+ m_virtualSize = wxDefaultSize;
+
+ m_scrollHelper = (wxScrollHelper *) NULL;
+
+ m_minVirtualWidth =
+ m_maxVirtualWidth = wxDefaultCoord;
+ m_minVirtualHeight =
+ m_maxVirtualHeight = wxDefaultCoord;
+
+ 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;
+ m_themeEnabled = false;
+
+ // VZ: this one shouldn't exist...
+ m_isBeingDeleted = false;
}
// common part of window creation process
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),
+ _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);
// 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;
+ return true;
}
// ----------------------------------------------------------------------------
// 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") );
+ // reset the top-level parent's default item if it is this widget
+ if ( m_parent )
+ {
+ wxTopLevelWindow *tlw = wxDynamicCast(wxGetTopLevelParent((wxWindow*)this),
+ wxTopLevelWindow);
+
+ if ( tlw && tlw->GetDefaultItem() == this )
+ tlw->SetDefaultItem(NULL);
+ if ( tlw && tlw->GetTmpDefaultItem() == this )
+ tlw->SetTmpDefaultItem(NULL);
+ }
+
+ // reset the dangling pointer our parent window may keep to us
+ 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
#if wxUSE_CONSTRAINTS
delete m_constraints;
m_constraints = NULL;
}
+#endif // wxUSE_CONSTRAINTS
if ( m_containingSizer )
- m_containingSizer->Remove((wxWindow*)this);
-
- if ( m_windowSizer )
- delete m_windowSizer;
+ 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
- // reset the dangling pointer our parent window may keep to us
- if ( m_parent && m_parent->GetDefaultItem() == this )
- {
- m_parent->SetDefaultItem(NULL);
- }
+#if wxUSE_ACCESSIBILITY
+ delete m_accessible;
+#endif
}
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
wxWindow *child = node->GetData();
- wxASSERT_MSG( child, wxT("children list contains empty nodes") );
-
- child->Show(FALSE);
+ // 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;
}
// ----------------------------------------------------------------------------
// ----------------------------------------------------------------------------
// centre the window with respect to its parent in either (or both) directions
-void wxWindowBase::Centre(int direction)
+void wxWindowBase::DoCentre(int dir)
{
- // the position/size of the parent window or of the entire screen
- wxPoint posParent;
- int widthParent, heightParent;
+ wxCHECK_RET( !(dir & wxCENTRE_ON_SCREEN) && GetParent(),
+ _T("this method only implements centering child windows") );
- wxWindow *parent = NULL;
+ SetSize(GetRect().CentreIn(GetParent()->GetClientSize(), dir));
+}
- if ( !(direction & wxCENTRE_ON_SCREEN) )
+// fits the window around the children
+void wxWindowBase::Fit()
+{
+ if ( !GetChildren().empty() )
{
- // 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();
- }
- }
-
- // did we find the parent?
- if ( !parent )
- {
- // no other choice
- direction |= wxCENTRE_ON_SCREEN;
- }
+ SetSize(GetBestSize());
}
+ //else: do nothing if we have no children
+}
- if ( direction & wxCENTRE_ON_SCREEN )
- {
- // centre with respect to the whole screen
- wxDisplaySize(&widthParent, &heightParent);
- }
- else
+// fits virtual size (ie. scrolled area etc.) around children
+void wxWindowBase::FitInside()
+{
+ if ( GetChildren().GetCount() > 0 )
{
- 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);
- }
+ SetVirtualSize( GetBestVirtualSize() );
}
+}
- int width, height;
- GetSize(&width, &height);
-
- int xNew = -1,
- yNew = -1;
+// On Mac, scrollbars are explicitly children.
+#ifdef __WXMAC__
+static bool wxHasRealChildren(const wxWindowBase* win)
+{
+ int realChildCount = 0;
- if ( direction & wxHORIZONTAL )
- xNew = (widthParent - width)/2;
+ for ( wxWindowList::compatibility_iterator node = win->GetChildren().GetFirst();
+ node;
+ node = node->GetNext() )
+ {
+ wxWindow *win = node->GetData();
+ if ( !win->IsTopLevel() && win->IsShown() && !win->IsKindOf(CLASSINFO(wxScrollBar)))
+ realChildCount ++;
+ }
+ return (realChildCount > 0);
+}
+#endif
- if ( direction & wxVERTICAL )
- yNew = (heightParent - height)/2;
+void wxWindowBase::InvalidateBestSize()
+{
+ m_bestSizeCache = wxDefaultSize;
- xNew += posParent.x;
- yNew += posParent.y;
+ // 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();
+}
- // Base size of the visible dimensions of the display
- // to take into account the taskbar
- wxRect rect = wxGetClientDisplayRect();
- wxSize size (rect.width,rect.height);
+// return the size best suited for the current window
+wxSize wxWindowBase::DoGetBestSize() const
+{
+ wxSize best;
-#ifndef __WXMGL__ // FIXME - temporary dirty hack!!
- if (posParent.x >= 0) // if parent is on the main display
-#endif
+ if ( m_windowSizer )
{
- if (xNew < 0)
- xNew = 0;
- else if (xNew+width > size.x)
- xNew = size.x-width-1;
+ best = GetWindowSizeForVirtualSize(m_windowSizer->GetMinSize());
}
-#ifndef __WXMGL__ // FIXME - temporary dirty hack!!
- if (posParent.y >= 0) // if parent is on the main display
-#endif
+#if wxUSE_CONSTRAINTS
+ else if ( m_constraints )
{
- if (yNew+height > size.y)
- yNew = size.y-height-1;
+ wxConstCast(this, wxWindowBase)->SatisfyConstraints();
- // 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;
- }
+ // our minimal acceptable size is such that all our windows fit inside
+ int maxX = 0,
+ maxY = 0;
- // 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);
-}
+ 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;
+ }
-// fits the window around the children
-void wxWindowBase::Fit()
-{
- if ( GetChildren().GetCount() > 0 )
- {
- wxSize size = DoGetBestSize();
+ int x = c->right.GetValue(),
+ y = c->bottom.GetValue();
- // for compatibility with the old versions and because it really looks
- // slightly more pretty like this, add a pad
- size.x += 7;
- size.y += 14;
+ if ( x > maxX )
+ maxX = x;
- SetClientSize(size);
- }
- //else: do nothing if we have no children
-}
+ if ( y > maxY )
+ maxY = y;
-// return the size best suited for the current window
-wxSize wxWindowBase::DoGetBestSize() const
-{
- if ( GetChildren().GetCount() > 0 )
+ // 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 windows fit inside
+ // our minimal acceptable size is such that all our visible child
+ // 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()
+ || !win->IsShown()
#if wxUSE_STATUSBAR
- || wxDynamicCast(win, wxStatusBar)
+ || wxDynamicCast(win, wxStatusBar)
#endif // wxUSE_STATUSBAR
)
{
// 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);
maxY = wy + wh;
}
- return wxSize(maxX, maxY);
+ best = wxSize(maxX, maxY);
}
- else
+ else // ! has children
+ {
+ // 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;
+ }
+
+ // Add any difference between size and client size
+ wxSize diff = GetSize() - GetClientSize();
+ best.x += wxMax(0, diff.x);
+ best.y += wxMax(0, diff.y);
+
+ return best;
+}
+
+
+wxSize wxWindowBase::GetBestFittingSize() 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)
{
- // for a generic window there is no natural best size - just use the
- // current one
- return GetSize();
+ wxSize best = GetBestSize();
+ if (min.x == wxDefaultCoord) min.x = best.x;
+ if (min.y == wxDefaultCoord) min.y = best.y;
}
+ return min;
+}
+
+
+void wxWindowBase::SetBestFittingSize(const wxSize& size)
+{
+ // 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 = GetBestFittingSize();
+
+ // If the current size doesn't match then change it
+ if (GetSize() != best)
+ SetSize(best);
}
+
// by default the origin is not shifted
wxPoint wxWindowBase::GetClientAreaOrigin() const
{
- return wxPoint(0, 0);
+ 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))
+void wxWindowBase::DoSetSizeHints(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 == wxDefaultCoord || maxW == wxDefaultCoord || minW <= maxW) &&
+ (minH == wxDefaultCoord || maxH == wxDefaultCoord || 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::SetWindowVariant( wxWindowVariant variant )
+{
+ if ( m_windowVariant != variant )
+ {
+ m_windowVariant = variant;
+
+ DoSetWindowVariant(variant);
+ }
+}
+
+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 )
+ {
+ case wxWINDOW_VARIANT_NORMAL:
+ break;
+
+ case wxWINDOW_VARIANT_SMALL:
+ size *= 3;
+ size /= 4;
+ break;
+
+ case wxWINDOW_VARIANT_MINI:
+ size *= 2;
+ size /= 3;
+ break;
+
+ case wxWINDOW_VARIANT_LARGE:
+ size *= 5;
+ size /= 4;
+ break;
+
+ default:
+ wxFAIL_MSG(_T("unexpected window variant"));
+ break;
+ }
+
+ font.SetPointSize(size);
+ SetFont(font);
+}
+
+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 != wxDefaultCoord && m_minVirtualWidth > x )
+ x = m_minVirtualWidth;
+ if ( m_maxVirtualWidth != wxDefaultCoord && m_maxVirtualWidth < x )
+ x = m_maxVirtualWidth;
+ if ( m_minVirtualHeight != wxDefaultCoord && m_minVirtualHeight > y )
+ y = m_minVirtualHeight;
+ if ( m_maxVirtualHeight != wxDefaultCoord && m_maxVirtualHeight < y )
+ y = m_maxVirtualHeight;
+
+ m_virtualSize = wxSize(x, y);
+}
+
+wxSize wxWindowBase::DoGetVirtualSize() const
+{
+ // 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;
+
+ if ( m_virtualSize.y >= size.y )
+ size.y = m_virtualSize.y;
+
+ return size;
+}
+
+void wxWindowBase::DoGetScreenPosition(int *x, int *y) const
+{
+ // 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);
+}
+
// ----------------------------------------------------------------------------
// show/hide/enable/disable the window
// ----------------------------------------------------------------------------
{
m_isShown = show;
- return TRUE;
+ return true;
}
else
{
- return FALSE;
+ return false;
}
}
{
m_isEnabled = enable;
- return TRUE;
+ return true;
}
else
{
- return FALSE;
+ return false;
}
}
+
+bool wxWindowBase::IsShownOnScreen() const
+{
+ return IsShown() &&
+ (GetParent() == NULL || GetParent()->IsShownOnScreen());
+}
+
// ----------------------------------------------------------------------------
// RTTI
// ----------------------------------------------------------------------------
bool wxWindowBase::IsTopLevel() const
{
- return FALSE;
+ return false;
}
// ----------------------------------------------------------------------------
// 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(child), _T("AddChild() called twice") );
+ wxASSERT_MSG( !GetChildren().Find((wxWindow*)child), _T("AddChild() called twice") );
- GetChildren().Append(child);
+ 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)
if ( newParent == oldParent )
{
// nothing done
- return FALSE;
+ return false;
}
// unlink this window from the existing parent.
}
else
{
- wxTopLevelWindows.DeleteObject(this);
+ wxTopLevelWindows.DeleteObject((wxWindow *)this);
}
// add it to the new one
}
else
{
- wxTopLevelWindows.Append(this);
+ wxTopLevelWindows.Append((wxWindow *)this);
}
- return TRUE;
+ 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;
bool wxWindowBase::RemoveEventHandler(wxEvtHandler *handler)
{
- wxCHECK_MSG( handler, FALSE, _T("RemoveEventHandler(NULL) called") );
+ wxCHECK_MSG( handler, false, _T("RemoveEventHandler(NULL) called") );
wxEvtHandler *handlerPrev = NULL,
*handlerCur = GetEventHandler();
SetEventHandler(handlerNext);
}
+ if ( handlerNext )
+ {
+ handlerNext->SetPreviousHandler ( handlerPrev );
+ }
+
handler->SetNextHandler(NULL);
+ handler->SetPreviousHandler(NULL);
- return TRUE;
+ return true;
}
handlerPrev = handlerCur;
wxFAIL_MSG( _T("where has the event handler gone?") );
- return FALSE;
+ return false;
}
// ----------------------------------------------------------------------------
-// cursors, fonts &c
+// colours, fonts &c
// ----------------------------------------------------------------------------
-bool wxWindowBase::SetBackgroundColour( const wxColour &colour )
+void wxWindowBase::InheritAttributes()
{
- if ( !colour.Ok() || (colour == m_backgroundColour) )
- return FALSE;
+ const wxWindowBase * const parent = GetParent();
+ if ( !parent )
+ return;
- m_backgroundColour = colour;
+ // 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());
- m_hasBgCol = TRUE;
+ // in addition, there is a possibility to explicitly forbid inheriting
+ // colours at each class level by overriding ShouldInheritColours()
+ if ( ShouldInheritColours() )
+ {
+ if ( parent->m_inheritFgCol && !m_hasFgCol )
+ SetForegroundColour(parent->GetForegroundColour());
- return TRUE;
+ // 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
+ }
}
-bool wxWindowBase::SetForegroundColour( const wxColour &colour )
+/* static */ wxVisualAttributes
+wxWindowBase::GetClassDefaultAttributes(wxWindowVariant WXUNUSED(variant))
{
- if ( !colour.Ok() || (colour == m_foregroundColour) )
- return FALSE;
+ // 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);
- m_foregroundColour = colour;
+ // 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;
+}
+
+wxColour wxWindowBase::GetBackgroundColour() const
+{
+ if ( !m_backgroundColour.Ok() )
+ {
+ wxASSERT_MSG( !m_hasBgCol, _T("we have invalid explicit bg colour?") );
+
+ // get our default background colour
+ wxColour colBg = GetDefaultAttributes().colBg;
+
+ // 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;
+
+ return colBg;
+ }
+ else
+ return m_backgroundColour;
+}
+
+wxColour wxWindowBase::GetForegroundColour() const
+{
+ // logic is the same as above
+ if ( !m_hasFgCol && !m_foregroundColour.Ok() )
+ {
+ wxASSERT_MSG( !m_hasFgCol, _T("we have invalid explicit fg colour?") );
+
+ wxColour colFg = GetDefaultAttributes().colFg;
+
+ if ( !colFg.Ok() )
+ colFg = GetClassDefaultAttributes().colFg;
+
+ return colFg;
+ }
+ else
+ return m_foregroundColour;
+}
+
+bool wxWindowBase::SetBackgroundColour( const wxColour &colour )
+{
+ if ( colour == m_backgroundColour )
+ return false;
+
+ m_hasBgCol = colour.Ok();
+ 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;
+}
- m_hasFgCol = TRUE;
+bool wxWindowBase::SetForegroundColour( const wxColour &colour )
+{
+ if (colour == m_foregroundColour )
+ return false;
- return TRUE;
+ m_hasFgCol = colour.Ok();
+ m_inheritFgCol = m_hasFgCol;
+ m_foregroundColour = colour;
+ SetThemeEnabled( !m_hasFgCol && !m_backgroundColour.Ok() );
+ return true;
}
bool wxWindowBase::SetCursor(const wxCursor& cursor)
if ( m_cursor == cursor )
{
// no change
- return FALSE;
+ return false;
}
m_cursor = cursor;
- return TRUE;
+ return true;
}
-bool wxWindowBase::SetFont(const wxFont& font)
+wxFont wxWindowBase::GetFont() const
{
- // don't try to set invalid font, always fall back to the default
- const wxFont& fontOk = font.Ok() ? font : *wxSWISS_FONT;
+ // logic is the same as in GetBackgroundColour()
+ if ( !m_font.Ok() )
+ {
+ wxASSERT_MSG( !m_hasFont, _T("we have invalid explicit font?") );
+
+ wxFont font = GetDefaultAttributes().font;
+ if ( !font.Ok() )
+ font = GetClassDefaultAttributes().font;
+
+ return font;
+ }
+ else
+ return m_font;
+}
- if ( fontOk == m_font )
+bool wxWindowBase::SetFont(const wxFont& font)
+{
+ if ( font == m_font )
{
// no change
- return FALSE;
+ return false;
}
- m_font = fontOk;
+ m_font = font;
+ m_hasFont = font.Ok();
+ m_inheritFont = m_hasFont;
- m_hasFont = TRUE;
+ InvalidateBestSize();
- return TRUE;
+ return true;
}
#if wxUSE_PALETTE
void wxWindowBase::SetPalette(const wxPalette& pal)
{
- m_hasCustomPalette = TRUE;
+ m_hasCustomPalette = true;
m_palette = pal;
// VZ: can anyone explain me what do we do here?
m_windowValidator = (wxValidator *)validator.Clone();
if ( m_windowValidator )
- m_windowValidator->SetWindow(this) ;
+ m_windowValidator->SetWindow(this);
}
#endif // wxUSE_VALIDATORS
return rectUpdate;
}
-bool wxWindowBase::IsExposed(int x, int y) const
+bool wxWindowBase::DoIsExposed(int x, int y) const
{
return m_updateRegion.Contains(x, y) != wxOutRegion;
}
-bool wxWindowBase::IsExposed(int x, int y, int w, int h) const
+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 window by id or name
+// find child window by id or name
// ----------------------------------------------------------------------------
-wxWindow *wxWindowBase::FindWindow( long id )
+wxWindow *wxWindowBase::FindWindow(long id) const
{
if ( id == m_windowId )
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 *)res;
}
-wxWindow *wxWindowBase::FindWindow( const wxString& name )
+wxWindow *wxWindowBase::FindWindow(const wxString& name) const
{
if ( name == m_windowName )
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;
}
-// ----------------------------------------------------------------------------
-// dialog oriented functions
-// ----------------------------------------------------------------------------
-void wxWindowBase::MakeModal(bool modal)
+// 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))
{
- // Disable all other windows
- if ( IsTopLevel() )
- {
- wxWindowList::Node *node = wxTopLevelWindows.GetFirst();
- while (node)
- {
+ 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);
#if wxUSE_VALIDATORS
bool recurse = (GetExtraStyle() & wxWS_EX_VALIDATE_RECURSIVELY) != 0;
- wxWindowList::Node *node;
+ 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;
+ return false;
}
if ( recurse && !child->Validate() )
{
- return FALSE;
+ return false;
}
}
#endif // wxUSE_VALIDATORS
- return TRUE;
+ return true;
}
bool wxWindowBase::TransferDataToWindow()
#if wxUSE_VALIDATORS
bool recurse = (GetExtraStyle() & wxWS_EX_VALIDATE_RECURSIVELY) != 0;
- wxWindowList::Node *node;
+ wxWindowList::compatibility_iterator node;
for ( node = m_children.GetFirst(); node; node = node->GetNext() )
{
wxWindowBase *child = node->GetData();
if ( validator && !validator->TransferToWindow() )
{
wxLogWarning(_("Could not transfer data to window"));
+#if wxUSE_LOG
wxLog::FlushActive();
+#endif // wxUSE_LOG
- return FALSE;
+ return false;
}
if ( recurse )
if ( !child->TransferDataToWindow() )
{
// warning already given
- return FALSE;
+ return false;
}
}
}
#endif // wxUSE_VALIDATORS
- return TRUE;
+ return true;
}
bool wxWindowBase::TransferDataFromWindow()
#if wxUSE_VALIDATORS
bool recurse = (GetExtraStyle() & wxWS_EX_VALIDATE_RECURSIVELY) != 0;
- wxWindowList::Node *node;
+ wxWindowList::compatibility_iterator node;
for ( node = m_children.GetFirst(); node; node = node->GetNext() )
{
wxWindow *child = node->GetData();
// nop warning here because the application is supposed to give
// one itself - we don't know here what might have gone wrongly
- return FALSE;
+ return false;
}
if ( recurse )
if ( !child->TransferDataFromWindow() )
{
// warning already given
- return FALSE;
+ return false;
}
}
}
#endif // wxUSE_VALIDATORS
- return TRUE;
+ return true;
}
void wxWindowBase::InitDialog()
}
// get the help string associated with this window (may be empty)
-wxString wxWindowBase::GetHelpText() const
+// 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();
wxHelpProvider *helpProvider = wxHelpProvider::Get();
if ( helpProvider )
{
- if ( helpProvider->ShowHelp(this) )
+ if ( helpProvider->ShowHelpAtPoint(this, event.GetPosition(), event.GetOrigin()) )
{
// skip the event.Skip() below
return;
void wxWindowBase::DoSetToolTip(wxToolTip *tooltip)
{
- if ( m_tooltip )
- delete m_tooltip;
+ if ( m_tooltip != tooltip )
+ {
+ if ( m_tooltip )
+ delete m_tooltip;
- m_tooltip = tooltip;
+ m_tooltip = tooltip;
+ }
}
#endif // 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)
+#endif // wxUSE_CONSTRAINTS
+
+void wxWindowBase::SetSizer(wxSizer *sizer, bool deleteOld)
{
- if (m_windowSizer) delete m_windowSizer;
+ 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, h;
- GetClientSize(&w, &h);
-
+ int w = 0, h = 0;
+ GetVirtualSize(&w, &h);
GetSizer()->SetDimension( 0, 0, w, h );
}
+#if wxUSE_CONSTRAINTS
else
{
- wxLayoutConstraints *constr = GetConstraints();
- bool wasOk = constr && constr->AreSatisfied();
-
- ResetConstraints(); // Mark all constraints as unevaluated
-
- // 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);
- }
- }
-
- DoPhase(1); // Layout children
- DoPhase(2); // Layout grand children
+ SatisfyConstraints(); // Find the right constraints values
SetConstraintSizes(); // Recursively set the real window sizes
}
+#endif
- return TRUE;
+ 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;
+
+ 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;
+ 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);
+ constr->left.SetDone(false);
+ constr->top.SetDone(false);
+ constr->right.SetDone(false);
+ constr->bottom.SetDone(false);
+ constr->width.SetDone(false);
+ constr->height.SetDone(false);
+ constr->centreX.SetDone(false);
+ constr->centreY.SetDone(false);
}
- wxWindowList::Node *node = GetChildren().GetFirst();
+ wxWindowList::compatibility_iterator node = GetChildren().GetFirst();
while (node)
{
wxWindow *win = node->GetData();
if ( recurse )
{
- wxWindowList::Node *node = GetChildren().GetFirst();
+ wxWindowList::compatibility_iterator node = GetChildren().GetFirst();
while (node)
{
wxWindow *win = node->GetData();
wxLayoutConstraints *constr = GetConstraints();
if ( constr )
{
- if ( x != -1 )
+ if ( x != wxDefaultCoord )
{
constr->left.SetValue(x);
- constr->left.SetDone(TRUE);
+ constr->left.SetDone(true);
}
- if ( y != -1 )
+ if ( y != wxDefaultCoord )
{
constr->top.SetValue(y);
- constr->top.SetDone(TRUE);
+ constr->top.SetDone(true);
}
- if ( w != -1 )
+ if ( w != wxDefaultCoord )
{
constr->width.SetValue(w);
- constr->width.SetDone(TRUE);
+ constr->width.SetDone(true);
}
- if ( h != -1 )
+ if ( h != wxDefaultCoord )
{
constr->height.SetValue(h);
- constr->height.SetDone(TRUE);
+ constr->height.SetDone(true);
}
}
}
wxLayoutConstraints *constr = GetConstraints();
if ( constr )
{
- if ( x != -1 )
+ if ( x != wxDefaultCoord )
{
constr->left.SetValue(x);
- constr->left.SetDone(TRUE);
+ constr->left.SetDone(true);
}
- if ( y != -1 )
+ if ( y != wxDefaultCoord )
{
constr->top.SetValue(y);
- constr->top.SetDone(TRUE);
+ constr->top.SetDone(true);
}
}
}
GetClientSize(w, h);
}
-void wxWindowBase::AdjustForParentClientOrigin(int& x, int& y, int sizeFlags)
+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
}
}
-
-void wxWindowBase::GetPositionConstraint(int *x, int *y) const
-{
- wxLayoutConstraints *constr = GetConstraints();
- if ( constr )
- {
- *x = constr->left.GetValue();
- *y = constr->top.GetValue();
- }
- else
- GetPosition(x, y);
-}
-
-#endif // wxUSE_CONSTRAINTS
-
// ----------------------------------------------------------------------------
// do Update UI processing for child controls
// ----------------------------------------------------------------------------
-// TODO: should this be implemented for the child window rather
-// than the parent? Then you can override it e.g. for wxCheckBox
-// to do the Right Thing rather than having to assume a fixed number
-// of control classes.
-void wxWindowBase::UpdateWindowUI()
+void wxWindowBase::UpdateWindowUI(long flags)
{
-#if wxUSE_CONTROLS
wxUpdateUIEvent event(GetId());
- event.m_eventObject = this;
+ event.SetEventObject(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 = wxDynamicCastThis(wxControl);
- if ( control )
- {
-#if wxUSE_TEXTCTRL
- wxTextCtrl *text = wxDynamicCast(control, wxTextCtrl);
- if ( text )
- text->SetValue(event.GetText());
- else
-#endif // wxUSE_TEXTCTRL
- control->SetLabel(event.GetText());
- }
+ wxWindow* child = (wxWindow*) node->GetData();
+ child->UpdateWindowUI(flags);
+ node = node->GetNext();
}
+ }
+}
-#if wxUSE_CHECKBOX
- wxCheckBox *checkbox = wxDynamicCastThis(wxCheckBox);
- if ( checkbox )
- {
- if ( event.GetSetChecked() )
- checkbox->SetValue(event.GetChecked());
- }
-#endif // wxUSE_CHECKBOX
+// do the window-specific processing after processing the update event
+void wxWindowBase::DoUpdateWindowUI(wxUpdateUIEvent& event)
+{
+ if ( event.GetSetEnabled() )
+ Enable(event.GetEnabled());
-#if wxUSE_RADIOBTN
- wxRadioButton *radiobtn = wxDynamicCastThis(wxRadioButton);
- if ( radiobtn )
- {
- if ( event.GetSetChecked() )
- radiobtn->SetValue(event.GetChecked());
- }
-#endif // wxUSE_RADIOBTN
+ if ( event.GetSetShown() )
+ Show(event.GetShown());
+}
+
+#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 // wxUSE_CONTROLS
}
+#endif
// ----------------------------------------------------------------------------
// dialog units translations
{
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) ;
+ 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;
}
{
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) ;
+ 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;
}
// propagate the colour change event to the subwindows
void wxWindowBase::OnSysColourChanged(wxSysColourChangedEvent& event)
{
- wxWindowList::Node *node = GetChildren().GetFirst();
+ wxWindowList::compatibility_iterator node = GetChildren().GetFirst();
while ( node )
{
// Only propagate to non-top-level windows
if ( !win->IsTopLevel() )
{
wxSysColourChangedEvent event2;
- event.m_eventObject = win;
+ event.SetEventObject(win);
win->GetEventHandler()->ProcessEvent(event2);
}
node = node->GetNext();
}
+
+ Refresh();
}
-// the default action is to populate dialog with data when it's created
+// 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 )
+// 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)
{
-#if wxUSE_MSGDLG
- if ( event.ControlDown() && event.AltDown() )
+ 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 )
+ {
+ 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());
+ }
+ }
+}
+
+static void DrawSizers(wxWindowBase *win)
+{
+ wxSizer *sizer = win->GetSizer();
+ if ( sizer )
{
- // don't translate these strings
- wxString port;
+ 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);
+ }
+ }
+}
-#ifdef __WXUNIVERSAL__
- port = _T("Univ/");
-#endif // __WXUNIVERSAL__
+#endif // __WXDEBUG__
- switch ( wxGetOsVersion() )
+// process special middle clicks
+void wxWindowBase::OnMiddleClick( wxMouseEvent& event )
+{
+ if ( event.ControlDown() && event.AltDown() )
+ {
+#ifdef __WXDEBUG__
+ // Ctrl-Alt-Shift-mclick makes the sizers visible in debug builds
+ if ( event.ShiftDown() )
{
- 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;
+ DrawSizers(this);
+ return;
}
+#endif // __WXDEBUG__
- 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_MSGDLG
+ // don't translate these strings, they're for diagnostics purposes only
+ wxString msg;
+ msg.Printf(_T("wxWidgets Library (%s port)\n")
+ _T("Version %d.%d.%d%s%s, compiled at %s %s\n")
+ _T("Runtime version of toolkit used is %d.%d.%s\n")
+ _T("Copyright (c) 1995-2006 wxWidgets team"),
+ wxPlatformInfo::Get().GetPortIdName().c_str(),
+ wxMAJOR_VERSION,
+ wxMINOR_VERSION,
+ wxRELEASE_NUMBER,
#if wxUSE_UNICODE
- L" (Unicode)",
+ L" (Unicode)",
#else
- "",
+ wxEmptyString,
#endif
- __TDATE__,
- __TTIME__
- ),
- _T("wxWindows information"),
+#ifdef __WXDEBUG__
+ _T(" Debug build"),
+#else
+ wxEmptyString,
+#endif
+ __TDATE__,
+ __TTIME__,
+ wxPlatformInfo::Get().GetToolkitMajorVersion(),
+ wxPlatformInfo::Get().GetToolkitMinorVersion(),
+#ifdef __WXGTK__
+ wxString::Format(_T("\nThe compile-time GTK+ version is %d.%d.%d."), GTK_MAJOR_VERSION, GTK_MINOR_VERSION, GTK_MICRO_VERSION).c_str()
+#else
+ wxEmptyString
+#endif
+ );
+
+ wxMessageBox(msg, _T("wxWidgets information"),
wxICON_INFORMATION | wxOK,
(wxWindow *)this);
}
}
}
+// ----------------------------------------------------------------------------
+// accessibility
+// ----------------------------------------------------------------------------
+
+#if wxUSE_ACCESSIBILITY
+void wxWindowBase::SetAccessible(wxAccessible* accessible)
+{
+ 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
+
void wxWindowListNode::DeleteData()
{
delete (wxWindow *)GetData();
}
+#endif
+
// ----------------------------------------------------------------------------
// borders
// ----------------------------------------------------------------------------
-wxBorder wxWindowBase::GetBorder() const
+wxBorder wxWindowBase::GetBorder(long flags) const
{
- wxBorder border = (wxBorder)(m_windowStyle & wxBORDER_MASK);
+ wxBorder border = (wxBorder)(flags & wxBORDER_MASK);
if ( border == wxBORDER_DEFAULT )
{
border = GetDefaultBorder();
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(0x%08x)"), this);
+ 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 )
{
- // I think this is correct, but not compatible with some ports
-#if defined(__WXX11__) || defined(__WXMGL__)
- ((wxWindowBase*) winOld)->DoReleaseMouse();
-#endif
-
+ ((wxWindowBase*) winOld)->DoReleaseMouse();
+
// save it on stack
wxWindowNext *item = new wxWindowNext;
item->win = winOld;
//else: no mouse capture to save
DoCaptureMouse();
+ ms_winCaptureCurrent = (wxWindow*)this;
+
+ ms_winCaptureChanging = false;
}
void wxWindowBase::ReleaseMouse()
{
- wxLogTrace(_T("mousecapture"), _T("ReleaseMouse(0x%08x)"), this);
+ 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") );
- 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 )
{
- // I think this is correct, but not compatible with some ports
-#if defined(__WXX11__) || defined(__WXMGL__)
((wxWindowBase*)ms_winCaptureNext->win)->DoCaptureMouse();
-#else
- ms_winCaptureNext->win->CaptureMouse();
-#endif
-
+ 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"),
- _T("After ReleaseMouse() mouse is captured by 0x%08x"),
- GetCapture());
+ (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) )
+ {
+ 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
+
+void wxWindowBase::SendDestroyEvent()
+{
+ wxWindowDestroyEvent event;
+ event.SetEventObject(this);
+ event.SetId(GetId());
+ GetEventHandler()->ProcessEvent(event);
+}
+
+// ----------------------------------------------------------------------------
+// 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) )
+ {
+ return true;
+ }
+ }
+#endif // wxUSE_VALIDATORS
+
+ 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() )
+ {
+ wxPropagateOnce propagateOnce(event);
+
+ return parent->GetEventHandler()->ProcessEvent(event);
+ }
+ }
+ }
+
+ return wxEvtHandler::TryParent(event);
+}
+
+// ----------------------------------------------------------------------------
+// keyboard navigation
+// ----------------------------------------------------------------------------
+
+// Navigates in the specified direction.
+bool wxWindowBase::Navigate(int flags)
+{
+ wxNavigationKeyEvent eventNav;
+ eventNav.SetFlags(flags);
+ eventNav.SetEventObject(this);
+ if ( GetParent()->GetEventHandler()->ProcessEvent(eventNav) )
+ {
+ return true;
+ }
+ return false;
+}
+
+void wxWindowBase::DoMoveInTabOrder(wxWindow *win, MoveKind 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 == MoveAfter )
+ {
+ i = i->GetNext();
+ }
+
+ if ( i )
+ {
+ siblings.Insert(i, self);
+ }
+ else // MoveAfter and win was the last sibling
+ {
+ siblings.Append(self);
+ }
+}
+
+// ----------------------------------------------------------------------------
+// focus handling
+// ----------------------------------------------------------------------------
+
+/*static*/ wxWindow* wxWindowBase::FindFocus()
+{
+ wxWindowBase *win = DoFindFocus();
+ return win ? win->GetMainWindowOfCompositeControl() : NULL;
+}
+
+// ----------------------------------------------------------------------------
+// global functions
+// ----------------------------------------------------------------------------
+
+wxWindow* wxGetTopLevelParent(wxWindow *win)
+{
+ while ( win && !win->IsTopLevel() )
+ win = win->GetParent();
+
+ return win;
+}
+
+#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))
+{
+ 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 = GetWindow()->GetChildren().Item(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* WXUNUSED(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 =
+ 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;
+ }
+ case wxNAVDIR_LEFT:
+ case wxNAVDIR_UP:
+ case wxNAVDIR_PREVIOUS:
+ {
+ 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;
+}
+
+// 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 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())
+ {
+ *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 = GetWindow()->GetChildren().Item(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 WXUNUSED(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 WXUNUSED(childId), wxString* WXUNUSED(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 WXUNUSED(childId), wxString* description)
+{
+ wxASSERT( GetWindow() != NULL );
+ if (!GetWindow())
+ return wxACC_FAIL;
+
+ wxString ht(GetWindow()->GetHelpTextAtPoint(wxDefaultPosition, wxHelpEvent::Origin_Keyboard));
+ if (!ht.empty())
+ {
+ *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 WXUNUSED(childId), wxString* helpText)
+{
+ wxASSERT( GetWindow() != NULL );
+ if (!GetWindow())
+ return wxACC_FAIL;
+
+ wxString ht(GetWindow()->GetHelpTextAtPoint(wxDefaultPosition, wxHelpEvent::Origin_Keyboard));
+ if (!ht.empty())
+ {
+ *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 WXUNUSED(childId), wxString* WXUNUSED(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 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
+
+ //*role = wxROLE_SYSTEM_CLIENT;
+ *role = wxROLE_SYSTEM_CLIENT;
+ return wxACC_OK;
+
+ #if 0
+ return wxACC_NOT_IMPLEMENTED;
+ #endif
+}
+
+// Returns a state constant.
+wxAccStatus wxWindowAccessible::GetState(int childId, long* state)
+{
+ 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
+
+ *state = 0;
+ return wxACC_OK;
+
+ #if 0
+ return wxACC_NOT_IMPLEMENTED;
+ #endif
+}
+
+// Returns a localized string representing the value for the object
+// or child.
+wxAccStatus wxWindowAccessible::GetValue(int WXUNUSED(childId), wxString* WXUNUSED(strValue))
+{
+ wxASSERT( GetWindow() != NULL );
+ if (!GetWindow())
+ return wxACC_FAIL;
+
+ return wxACC_NOT_IMPLEMENTED;
+}
+
+// Selects the object or child.
+wxAccStatus wxWindowAccessible::Select(int WXUNUSED(childId), wxAccSelectionFlags WXUNUSED(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* WXUNUSED(childId), wxAccessible** WXUNUSED(child))
+{
+ wxASSERT( GetWindow() != NULL );
+ if (!GetWindow())
+ return wxACC_FAIL;
+
+ return wxACC_NOT_IMPLEMENTED;
+}
+
+#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))
+{
+ wxASSERT( GetWindow() != NULL );
+ if (!GetWindow())
+ return wxACC_FAIL;
+
+ return wxACC_NOT_IMPLEMENTED;
+}
+#endif // wxUSE_VARIANT
+
+#endif // wxUSE_ACCESSIBILITY
+
+// ----------------------------------------------------------------------------
+// RTL support
+// ----------------------------------------------------------------------------
+
+wxCoord
+wxWindowBase::AdjustForLayoutDirection(wxCoord x,
+ wxCoord width,
+ wxCoord widthTotal) const
+{
+ if ( GetLayoutDirection() == wxLayout_RightToLeft )
+ {
+ x = widthTotal - x - width;
+ }
+
+ return x;
}
projects / wxWidgets.git / blobdiff