#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/settings.h"
#include "wx/dialog.h"
#include "wx/msgdlg.h"
+ #include "wx/msgout.h"
#include "wx/statusbr.h"
#include "wx/toolbar.h"
#include "wx/dcclient.h"
-#endif //WX_PRECOMP
-
-#if defined(__WXMAC__) && wxUSE_SCROLLBAR
#include "wx/scrolbar.h"
-#endif
-
-#if wxUSE_CONSTRAINTS
#include "wx/layout.h"
-#endif // wxUSE_CONSTRAINTS
-
-#include "wx/sizer.h"
+ #include "wx/sizer.h"
+ #include "wx/menu.h"
+#endif //WX_PRECOMP
#if wxUSE_DRAG_AND_DROP
#include "wx/dnd.h"
#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;
+#include "wx/platinfo.h"
+#include "wx/private/window.h"
+
+#ifdef __WXMSW__
+ #include "wx/msw/wrapwin.h"
#endif
+// Windows List
+WXDLLIMPEXP_DATA_CORE(wxWindowList) wxTopLevelWindows;
+
+// globals
+#if wxUSE_MENUS
+wxMenu *wxCurrentPopupMenu = NULL;
+#endif // wxUSE_MENUS
+
// ----------------------------------------------------------------------------
// 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_HELP(wxID_ANY, wxWindowBase::OnHelp)
#endif // wxUSE_HELP
+ EVT_SIZE(wxWindowBase::InternalOnSize)
END_EVENT_TABLE()
// ============================================================================
wxWindowBase::wxWindowBase()
{
// no window yet, no parent nor children
- m_parent = (wxWindow *)NULL;
+ m_parent = NULL;
m_windowId = wxID_ANY;
// no constraints on the minimal window size
#if wxUSE_VALIDATORS
// no validator
- m_windowValidator = (wxValidator *) NULL;
+ m_windowValidator = NULL;
#endif // wxUSE_VALIDATORS
// the colours/fonts are default for now, so leave m_font,
m_exStyle =
m_windowStyle = 0;
- m_backgroundStyle = wxBG_STYLE_SYSTEM;
+ m_backgroundStyle = wxBG_STYLE_ERASE;
#if wxUSE_CONSTRAINTS
// no constraints whatsoever
- m_constraints = (wxLayoutConstraints *) NULL;
- m_constraintsInvolvedIn = (wxWindowList *) NULL;
+ m_constraints = NULL;
+ m_constraintsInvolvedIn = NULL;
#endif // wxUSE_CONSTRAINTS
- m_windowSizer = (wxSizer *) NULL;
- m_containingSizer = (wxSizer *) NULL;
+ m_windowSizer = NULL;
+ m_containingSizer = NULL;
m_autoLayout = false;
#if wxUSE_DRAG_AND_DROP
- m_dropTarget = (wxDropTarget *)NULL;
+ m_dropTarget = NULL;
#endif // wxUSE_DRAG_AND_DROP
#if wxUSE_TOOLTIPS
- m_tooltip = (wxToolTip *)NULL;
+ m_tooltip = NULL;
#endif // wxUSE_TOOLTIPS
#if wxUSE_CARET
- m_caret = (wxCaret *)NULL;
+ m_caret = NULL;
#endif // wxUSE_CARET
#if wxUSE_PALETTE
m_virtualSize = wxDefaultSize;
- m_minVirtualWidth =
- m_maxVirtualWidth = wxDefaultCoord;
- m_minVirtualHeight =
- m_maxVirtualHeight = wxDefaultCoord;
+ m_scrollHelper = NULL;
m_windowVariant = wxWINDOW_VARIANT_NORMAL;
#if wxUSE_SYSTEM_OPTIONS
// Whether we're using the current theme for this window (wxGTK only for now)
m_themeEnabled = false;
- // VZ: this one shouldn't exist...
+ // This is set to true by SendDestroyEvent() which should be called by the
+ // most derived class to ensure that the destruction event is sent as soon
+ // as possible to allow its handlers to still see the undestroyed window
m_isBeingDeleted = false;
+
+ m_freezeCount = 0;
}
// common part of window creation process
bool wxWindowBase::CreateBase(wxWindowBase *parent,
wxWindowID id,
const wxPoint& WXUNUSED(pos),
- const wxSize& WXUNUSED(size),
+ const wxSize& size,
long style,
- const wxValidator& wxVALIDATOR_PARAM(validator),
const wxString& name)
{
-#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") );
+ wxASSERT_MSG( id == wxID_ANY || (id >= 0 && id < 32767) ||
+ (id >= wxID_AUTO_LOWEST && id <= wxID_AUTO_HIGHEST),
+ wxT("invalid id value") );
// generate a new id if the user doesn't care about it
- m_windowId = id == wxID_ANY ? NewControlId() : id;
+ if ( id == wxID_ANY )
+ {
+ m_windowId = NewControlId();
+ }
+ else // valid id specified
+ {
+ m_windowId = id;
+ }
+
+ // don't use SetWindowStyleFlag() here, this function should only be called
+ // to change the flag after creation as it tries to reflect the changes in
+ // flags by updating the window dynamically and we don't need this here
+ m_windowStyle = style;
+
+ // assume the user doesn't want this window to shrink beneath its initial
+ // size, this worked like this in wxWidgets 2.8 and before and generally
+ // often makes sense for child windows (for top level ones it definitely
+ // does not as the user should be able to resize the window)
+ //
+ // note that we can't use IsTopLevel() from ctor
+ if ( size != wxDefaultSize && !wxTopLevelWindows.Find((wxWindow *)this) )
+ SetMinSize(size);
SetName(name);
- SetWindowStyleFlag(style);
SetParent(parent);
+ return true;
+}
+
+bool wxWindowBase::CreateBase(wxWindowBase *parent,
+ wxWindowID id,
+ const wxPoint& pos,
+ const wxSize& size,
+ long style,
+ const wxValidator& wxVALIDATOR_PARAM(validator),
+ const wxString& name)
+{
+ if ( !CreateBase(parent, id, pos, size, style, name) )
+ return false;
+
#if wxUSE_VALIDATORS
SetValidator(validator);
#endif // wxUSE_VALIDATORS
return true;
}
+bool wxWindowBase::ToggleWindowStyle(int flag)
+{
+ wxASSERT_MSG( flag, wxT("flags with 0 value can't be toggled") );
+
+ bool rc;
+ long style = GetWindowStyleFlag();
+ if ( style & flag )
+ {
+ style &= ~flag;
+ rc = false;
+ }
+ else // currently off
+ {
+ style |= flag;
+ rc = true;
+ }
+
+ SetWindowStyleFlag(style);
+
+ return rc;
+}
+
// ----------------------------------------------------------------------------
// destruction
// ----------------------------------------------------------------------------
// we weren't a dialog class
wxTopLevelWindows.DeleteObject((wxWindow*)this);
+ // Any additional event handlers should be popped before the window is
+ // deleted as otherwise the last handler will be left with a dangling
+ // pointer to this window result in a difficult to diagnose crash later on.
+ wxASSERT_MSG( GetEventHandler() == this,
+ wxT("any pushed event handlers must have been removed") );
+
+#if wxUSE_MENUS
+ // The associated popup menu can still be alive, disassociate from it in
+ // this case
+ if ( wxCurrentPopupMenu && wxCurrentPopupMenu->GetInvokingWindow() == this )
+ wxCurrentPopupMenu->SetInvokingWindow(NULL);
+#endif // wxUSE_MENUS
+
wxASSERT_MSG( GetChildren().GetCount() == 0, wxT("children not destroyed") );
- // reset the dangling pointer our parent window may keep to us
+ // notify the parent about this window destruction
if ( m_parent )
- {
- if ( m_parent->GetDefaultItem() == this )
- {
- m_parent->SetDefaultItem(NULL);
- }
-
m_parent->RemoveChild(this);
- }
#if wxUSE_CARET
delete m_caret;
// This removes any dangling pointers to this window in other windows'
// constraintsInvolvedIn lists.
UnsetConstraints(m_constraints);
- delete m_constraints;
- m_constraints = NULL;
+ wxDELETE(m_constraints);
}
#endif // wxUSE_CONSTRAINTS
#if wxUSE_ACCESSIBILITY
delete m_accessible;
#endif
+
+#if wxUSE_HELP
+ // NB: this has to be called unconditionally, because we don't know
+ // whether this window has associated help text or not
+ wxHelpProvider *helpProvider = wxHelpProvider::Get();
+ if ( helpProvider )
+ helpProvider->RemoveHelp(this);
+#endif
+}
+
+bool wxWindowBase::IsBeingDeleted() const
+{
+ return m_isBeingDeleted ||
+ (!IsTopLevel() && m_parent && m_parent->IsBeingDeleted());
+}
+
+void wxWindowBase::SendDestroyEvent()
+{
+ if ( m_isBeingDeleted )
+ {
+ // we could have been already called from a more derived class dtor,
+ // e.g. ~wxTLW calls us and so does ~wxWindow and the latter call
+ // should be simply ignored
+ return;
+ }
+
+ m_isBeingDeleted = true;
+
+ wxWindowDestroyEvent event;
+ event.SetEventObject(this);
+ event.SetId(GetId());
+ GetEventHandler()->ProcessEvent(event);
}
bool wxWindowBase::Destroy()
{
+ SendDestroyEvent();
+
delete this;
return true;
// return false if window wasn't closed because the application vetoed the
// close event
- return GetEventHandler()->ProcessEvent(event) && !event.GetVeto();
+ return HandleWindowEvent(event) && !event.GetVeto();
}
bool wxWindowBase::DestroyChildren()
wxWindow *child = node->GetData();
- // 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;
+ // note that we really want to delete it immediately so don't call the
+ // possible overridden Destroy() version which might not delete the
+ // child immediately resulting in problems with our (top level) child
+ // outliving its parent
+ child->wxWindowBase::Destroy();
wxASSERT_MSG( !GetChildren().Find(child),
wxT("child didn't remove itself using RemoveChild()") );
void wxWindowBase::DoCentre(int dir)
{
wxCHECK_RET( !(dir & wxCENTRE_ON_SCREEN) && GetParent(),
- _T("this method only implements centering child windows") );
+ wxT("this method only implements centering child windows") );
SetSize(GetRect().CentreIn(GetParent()->GetClientSize(), dir));
}
{
if ( !GetChildren().empty() )
{
- SetClientSize(GetBestSize());
+ SetSize(GetBestSize());
}
//else: do nothing if we have no children
}
}
// On Mac, scrollbars are explicitly children.
-#ifdef __WXMAC__
+#if defined( __WXMAC__ ) && !defined(__WXUNIVERSAL__)
static bool wxHasRealChildren(const wxWindowBase* win)
{
int realChildCount = 0;
node = node->GetNext() )
{
wxWindow *win = node->GetData();
- if ( !win->IsTopLevel() && win->IsShown() && !win->IsKindOf(CLASSINFO(wxScrollBar)))
+ if ( !win->IsTopLevel() && win->IsShown()
+#if wxUSE_SCROLLBAR
+ && !win->IsKindOf(CLASSINFO(wxScrollBar))
+#endif
+ )
realChildCount ++;
}
return (realChildCount > 0);
if ( m_windowSizer )
{
- best = GetWindowSizeForVirtualSize(m_windowSizer->GetMinSize());
+ best = m_windowSizer->GetMinSize();
}
#if wxUSE_CONSTRAINTS
else if ( m_constraints )
}
#endif // wxUSE_CONSTRAINTS
else if ( !GetChildren().empty()
-#ifdef __WXMAC__
+#if defined( __WXMAC__ ) && !defined(__WXUNIVERSAL__)
&& wxHasRealChildren(this)
#endif
)
{
- // our minimal acceptable size is such that all our visible child windows fit inside
+ // our minimal acceptable size is such that all our visible child
+ // windows fit inside
int maxX = 0,
maxY = 0;
node = node->GetNext() )
{
wxWindow *win = node->GetData();
- if ( win->IsTopLevel() || ( ! win->IsShown() )
+ if ( win->IsTopLevel()
+ || !win->IsShown()
#if wxUSE_STATUSBAR
- || wxDynamicCast(win, wxStatusBar)
+ || wxDynamicCast(win, wxStatusBar)
#endif // wxUSE_STATUSBAR
)
{
maxY = wy + wh;
}
- // for compatibility with the old versions and because it really looks
- // slightly more pretty like this, add a pad
- maxX += 7;
- maxY += 14;
-
best = wxSize(maxX, maxY);
}
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);
+ // if the window doesn't define its best size we assume that it can
+ // be arbitrarily small -- usually this is not the case, of course,
+ // but we have no way to know what the limit is, it should really
+ // override DoGetBestClientSize() itself to tell us
+ size.SetDefaults(wxSize(1, 1));
}
// return as-is, unadjusted by the client size difference.
return best;
}
+// helper of GetWindowBorderSize(): as many ports don't implement support for
+// wxSYS_BORDER/EDGE_X/Y metrics in their wxSystemSettings, use hard coded
+// fallbacks in this case
+static int wxGetMetricOrDefault(wxSystemMetric what, const wxWindowBase* win)
+{
+ int rc = wxSystemSettings::GetMetric(
+ what, static_cast<wxWindow*>(const_cast<wxWindowBase*>(win)));
+ if ( rc == -1 )
+ {
+ switch ( what )
+ {
+ case wxSYS_BORDER_X:
+ case wxSYS_BORDER_Y:
+ // 2D border is by default 1 pixel wide
+ rc = 1;
+ break;
+
+ case wxSYS_EDGE_X:
+ case wxSYS_EDGE_Y:
+ // 3D borders are by default 2 pixels
+ rc = 2;
+ break;
+
+ default:
+ wxFAIL_MSG( wxT("unexpected wxGetMetricOrDefault() argument") );
+ rc = 0;
+ }
+ }
+
+ return rc;
+}
-wxSize wxWindowBase::GetBestFittingSize() const
+wxSize wxWindowBase::GetWindowBorderSize() const
+{
+ wxSize size;
+
+ switch ( GetBorder() )
+ {
+ case wxBORDER_NONE:
+ // nothing to do, size is already (0, 0)
+ break;
+
+ case wxBORDER_SIMPLE:
+ case wxBORDER_STATIC:
+ size.x = wxGetMetricOrDefault(wxSYS_BORDER_X, this);
+ size.y = wxGetMetricOrDefault(wxSYS_BORDER_Y, this);
+ break;
+
+ case wxBORDER_SUNKEN:
+ case wxBORDER_RAISED:
+ size.x = wxMax(wxGetMetricOrDefault(wxSYS_EDGE_X, this),
+ wxGetMetricOrDefault(wxSYS_BORDER_X, this));
+ size.y = wxMax(wxGetMetricOrDefault(wxSYS_EDGE_Y, this),
+ wxGetMetricOrDefault(wxSYS_BORDER_Y, this));
+ break;
+
+ case wxBORDER_DOUBLE:
+ size.x = wxGetMetricOrDefault(wxSYS_EDGE_X, this) +
+ wxGetMetricOrDefault(wxSYS_BORDER_X, this);
+ size.y = wxGetMetricOrDefault(wxSYS_EDGE_Y, this) +
+ wxGetMetricOrDefault(wxSYS_BORDER_Y, this);
+ break;
+
+ default:
+ wxFAIL_MSG(wxT("Unknown border style."));
+ break;
+ }
+
+ // we have borders on both sides
+ return size*2;
+}
+
+wxSize wxWindowBase::GetEffectiveMinSize() const
{
// merge the best size with the min size, giving priority to the min size
wxSize min = GetMinSize();
+
if (min.x == wxDefaultCoord || min.y == wxDefaultCoord)
{
wxSize best = GetBestSize();
if (min.x == wxDefaultCoord) min.x = best.x;
if (min.y == wxDefaultCoord) min.y = best.y;
}
+
return min;
}
+wxSize wxWindowBase::DoGetBorderSize() const
+{
+ // there is one case in which we can implement it for all ports easily
+ if ( GetBorder() == wxBORDER_NONE )
+ return wxSize(0, 0);
+
+ // otherwise use the difference between the real size and the client size
+ // as a fallback: notice that this is incorrect in general as client size
+ // also doesn't take the scrollbars into account
+ return GetSize() - GetClientSize();
+}
+
+wxSize wxWindowBase::GetBestSize() const
+{
+ if ( !m_windowSizer && m_bestSizeCache.IsFullySpecified() )
+ return m_bestSizeCache;
+
+ // call DoGetBestClientSize() first, if a derived class overrides it wants
+ // it to be used
+ wxSize size = DoGetBestClientSize();
+ if ( size != wxDefaultSize )
+ {
+ size += DoGetBorderSize();
+
+ CacheBestSize(size);
+ return size;
+ }
+
+ return DoGetBestSize();
+}
+
+void wxWindowBase::SetMinSize(const wxSize& minSize)
+{
+ m_minWidth = minSize.x;
+ m_minHeight = minSize.y;
+}
-void wxWindowBase::SetBestFittingSize(const wxSize& size)
+void wxWindowBase::SetMaxSize(const wxSize& maxSize)
+{
+ m_maxWidth = maxSize.x;
+ m_maxHeight = maxSize.y;
+}
+
+void wxWindowBase::SetInitialSize(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();
+ wxSize best = GetEffectiveMinSize();
// If the current size doesn't match then change it
if (GetSize() != best)
return wxPoint(0,0);
}
-// set the min/max size of the window
-void wxWindowBase::DoSetSizeHints(int minW, int minH,
- int maxW, int maxH,
- int WXUNUSED(incW), int WXUNUSED(incH))
+wxSize wxWindowBase::ClientToWindowSize(const wxSize& size) const
{
- // 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!") );
+ const wxSize diff(GetSize() - GetClientSize());
- m_minWidth = minW;
- m_maxWidth = maxW;
- m_minHeight = minH;
- m_maxHeight = maxH;
+ return wxSize(size.x == -1 ? -1 : size.x + diff.x,
+ size.y == -1 ? -1 : size.y + diff.y);
+}
+
+wxSize wxWindowBase::WindowToClientSize(const wxSize& size) const
+{
+ const wxSize diff(GetSize() - GetClientSize());
+
+ return wxSize(size.x == -1 ? -1 : size.x - diff.x,
+ size.y == -1 ? -1 : size.y - diff.y);
}
void wxWindowBase::SetWindowVariant( wxWindowVariant variant )
break;
case wxWINDOW_VARIANT_SMALL:
- size *= 3;
- size /= 4;
+ size = wxRound(size * 3.0 / 4.0);
break;
case wxWINDOW_VARIANT_MINI:
- size *= 2;
- size /= 3;
+ size = wxRound(size * 2.0 / 3.0);
break;
case wxWINDOW_VARIANT_LARGE:
- size *= 5;
- size /= 4;
+ size = wxRound(size * 5.0 / 4.0);
break;
default:
- wxFAIL_MSG(_T("unexpected window variant"));
+ wxFAIL_MSG(wxT("unexpected window variant"));
break;
}
SetFont(font);
}
-void wxWindowBase::SetVirtualSizeHints( int minW, int minH,
- int maxW, int maxH )
+void wxWindowBase::DoSetSizeHints( int minW, int minH,
+ int maxW, int maxH,
+ int WXUNUSED(incW), int WXUNUSED(incH) )
{
- m_minVirtualWidth = minW;
- m_maxVirtualWidth = maxW;
- m_minVirtualHeight = minH;
- m_maxVirtualHeight = maxH;
+ wxCHECK_RET( (minW == wxDefaultCoord || maxW == wxDefaultCoord || minW <= maxW) &&
+ (minH == wxDefaultCoord || maxH == wxDefaultCoord || minH <= maxH),
+ wxT("min width/height must be less than max width/height!") );
+
+ m_minWidth = minW;
+ m_maxWidth = maxW;
+ m_minHeight = minH;
+ m_maxHeight = maxH;
}
-void wxWindowBase::DoSetVirtualSize( int x, int y )
+
+#if WXWIN_COMPATIBILITY_2_8
+void wxWindowBase::SetVirtualSizeHints(int WXUNUSED(minW), int WXUNUSED(minH),
+ int WXUNUSED(maxW), int WXUNUSED(maxH))
{
- 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;
+}
+void wxWindowBase::SetVirtualSizeHints(const wxSize& WXUNUSED(minsize),
+ const wxSize& WXUNUSED(maxsize))
+{
+}
+#endif // WXWIN_COMPATIBILITY_2_8
+
+void wxWindowBase::DoSetVirtualSize( int x, int y )
+{
m_virtualSize = wxSize(x, y);
}
if ( y )
*y = 0;
- return ClientToScreen(x, y);
+ ClientToScreen(x, y);
+}
+
+void wxWindowBase::SendSizeEvent(int flags)
+{
+ wxSizeEvent event(GetSize(), GetId());
+ event.SetEventObject(this);
+ if ( flags & wxSEND_EVENT_POST )
+ wxPostEvent(this, event);
+ else
+ HandleWindowEvent(event);
+}
+
+void wxWindowBase::SendSizeEventToParent(int flags)
+{
+ wxWindow * const parent = GetParent();
+ if ( parent && !parent->IsBeingDeleted() )
+ parent->SendSizeEvent(flags);
+}
+
+bool wxWindowBase::HasScrollbar(int orient) const
+{
+ // if scrolling in the given direction is disabled, we can't have the
+ // corresponding scrollbar no matter what
+ if ( !CanScroll(orient) )
+ return false;
+
+ const wxSize sizeVirt = GetVirtualSize();
+ const wxSize sizeClient = GetClientSize();
+
+ return orient == wxHORIZONTAL ? sizeVirt.x > sizeClient.x
+ : sizeVirt.y > sizeClient.y;
}
// ----------------------------------------------------------------------------
}
}
-bool wxWindowBase::Enable(bool enable)
+bool wxWindowBase::IsEnabled() const
{
- if ( enable != m_isEnabled )
- {
- m_isEnabled = enable;
+ return IsThisEnabled() && (IsTopLevel() || !GetParent() || GetParent()->IsEnabled());
+}
- return true;
- }
- else
+void wxWindowBase::NotifyWindowOnEnableChange(bool enabled)
+{
+ // Under some platforms there is no need to update the window state
+ // explicitly, it will become disabled when its parent is. On other ones we
+ // do need to disable all windows recursively though.
+#ifndef wxHAS_NATIVE_ENABLED_MANAGEMENT
+ DoEnable(enabled);
+#endif // !defined(wxHAS_NATIVE_ENABLED_MANAGEMENT)
+
+ OnEnabled(enabled);
+
+ // Disabling a top level window is typically done when showing a modal
+ // dialog and we don't need to disable its children in this case, they will
+ // be logically disabled anyhow (i.e. their IsEnabled() will return false)
+ // and the TLW won't accept any input for them. Moreover, explicitly
+ // disabling them would look ugly as the entire TLW would be greyed out
+ // whenever a modal dialog is shown and no native applications under any
+ // platform behave like this.
+ if ( IsTopLevel() && !enabled )
+ return;
+
+ // When disabling (or enabling back) a non-TLW window we need to
+ // recursively propagate the change of the state to its children, otherwise
+ // they would still show as enabled even though they wouldn't actually
+ // accept any input (at least under MSW where children don't accept input
+ // if any of the windows in their parent chain is enabled).
+ //
+ // Notice that we must do this even for wxHAS_NATIVE_ENABLED_MANAGEMENT
+ // platforms as we still need to call the children OnEnabled() recursively.
+ for ( wxWindowList::compatibility_iterator node = GetChildren().GetFirst();
+ node;
+ node = node->GetNext() )
{
- return false;
+ wxWindowBase * const child = node->GetData();
+ if ( !child->IsTopLevel() && child->IsThisEnabled() )
+ child->NotifyWindowOnEnableChange(enabled);
}
}
+
+bool wxWindowBase::Enable(bool enable)
+{
+ if ( enable == IsThisEnabled() )
+ return false;
+
+ m_isEnabled = enable;
+
+ // If we call DoEnable() from NotifyWindowOnEnableChange(), we don't need
+ // to do it from here.
+#ifdef wxHAS_NATIVE_ENABLED_MANAGEMENT
+ DoEnable(enable);
+#endif // !defined(wxHAS_NATIVE_ENABLED_MANAGEMENT)
+
+ NotifyWindowOnEnableChange(enable);
+
+ return true;
+}
+
+bool wxWindowBase::IsShownOnScreen() const
+{
+ // A window is shown on screen if it itself is shown and so are all its
+ // parents. But if a window is toplevel one, then its always visible on
+ // screen if IsShown() returns true, even if it has a hidden parent.
+ return IsShown() &&
+ (IsTopLevel() || GetParent() == NULL || GetParent()->IsShownOnScreen());
+}
+
// ----------------------------------------------------------------------------
// RTTI
// ----------------------------------------------------------------------------
return false;
}
+// ----------------------------------------------------------------------------
+// Freeze/Thaw
+// ----------------------------------------------------------------------------
+
+void wxWindowBase::Freeze()
+{
+ if ( !m_freezeCount++ )
+ {
+ // physically freeze this window:
+ DoFreeze();
+
+ // and recursively freeze all children:
+ for ( wxWindowList::iterator i = GetChildren().begin();
+ i != GetChildren().end(); ++i )
+ {
+ wxWindow *child = *i;
+ if ( child->IsTopLevel() )
+ continue;
+
+ child->Freeze();
+ }
+ }
+}
+
+void wxWindowBase::Thaw()
+{
+ wxASSERT_MSG( m_freezeCount, "Thaw() without matching Freeze()" );
+
+ if ( !--m_freezeCount )
+ {
+ // recursively thaw all children:
+ for ( wxWindowList::iterator i = GetChildren().begin();
+ i != GetChildren().end(); ++i )
+ {
+ wxWindow *child = *i;
+ if ( child->IsTopLevel() )
+ continue;
+
+ child->Thaw();
+ }
+
+ // physically thaw this window:
+ DoThaw();
+ }
+}
+
// ----------------------------------------------------------------------------
// reparenting the window
// ----------------------------------------------------------------------------
// 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") );
+ wxASSERT_MSG( !GetChildren().Find((wxWindow*)child), wxT("AddChild() called twice") );
GetChildren().Append((wxWindow*)child);
child->SetParent(this);
+
+ // adding a child while frozen will assert when thawed, so freeze it as if
+ // it had been already present when we were frozen
+ if ( IsFrozen() && !child->IsTopLevel() )
+ child->Freeze();
}
void wxWindowBase::RemoveChild(wxWindowBase *child)
{
wxCHECK_RET( child, wxT("can't remove a NULL child") );
+ // removing a child while frozen may result in permanently frozen window
+ // if used e.g. from Reparent(), so thaw it
+ //
+ // NB: IsTopLevel() doesn't return true any more when a TLW child is being
+ // removed from its ~wxWindowBase, so check for IsBeingDeleted() too
+ if ( IsFrozen() && !child->IsBeingDeleted() && !child->IsTopLevel() )
+ child->Thaw();
+
GetChildren().DeleteObject((wxWindow *)child);
child->SetParent(NULL);
}
return false;
}
+ const bool oldEnabledState = IsEnabled();
+
// unlink this window from the existing parent.
if ( oldParent )
{
wxTopLevelWindows.Append((wxWindow *)this);
}
+ // We need to notify window (and its subwindows) if by changing the parent
+ // we also change our enabled/disabled status.
+ const bool newEnabledState = IsEnabled();
+ if ( newEnabledState != oldEnabledState )
+ {
+ NotifyWindowOnEnableChange(newEnabledState);
+ }
+
return true;
}
// event handler stuff
// ----------------------------------------------------------------------------
-void wxWindowBase::PushEventHandler(wxEvtHandler *handler)
+void wxWindowBase::SetEventHandler(wxEvtHandler *handler)
{
+ wxCHECK_RET(handler != NULL, "SetEventHandler(NULL) called");
+
+ m_eventHandler = handler;
+}
+
+void wxWindowBase::SetNextHandler(wxEvtHandler *WXUNUSED(handler))
+{
+ // disable wxEvtHandler chain mechanism for wxWindows:
+ // wxWindow uses its own stack mechanism which doesn't mix well with wxEvtHandler's one
+
+ wxFAIL_MSG("wxWindow cannot be part of a wxEvtHandler chain");
+}
+void wxWindowBase::SetPreviousHandler(wxEvtHandler *WXUNUSED(handler))
+{
+ // we can't simply wxFAIL here as in SetNextHandler: in fact the last
+ // handler of our stack when is destroyed will be Unlink()ed and thus
+ // will call this function to update the pointer of this window...
+
+ //wxFAIL_MSG("wxWindow cannot be part of a wxEvtHandler chain");
+}
+
+void wxWindowBase::PushEventHandler(wxEvtHandler *handlerToPush)
+{
+ wxCHECK_RET( handlerToPush != NULL, "PushEventHandler(NULL) called" );
+
+ // the new handler is going to be part of the wxWindow stack of event handlers:
+ // it can't be part also of an event handler double-linked chain:
+ wxASSERT_MSG(handlerToPush->IsUnlinked(),
+ "The handler being pushed in the wxWindow stack shouldn't be part of "
+ "a wxEvtHandler chain; call Unlink() on it first");
+
wxEvtHandler *handlerOld = GetEventHandler();
+ wxCHECK_RET( handlerOld, "an old event handler is NULL?" );
+
+ // now use wxEvtHandler double-linked list to implement a stack:
+ handlerToPush->SetNextHandler(handlerOld);
- handler->SetNextHandler(handlerOld);
+ if (handlerOld != this)
+ handlerOld->SetPreviousHandler(handlerToPush);
- if ( handlerOld )
- GetEventHandler()->SetPreviousHandler(handler);
+ SetEventHandler(handlerToPush);
- SetEventHandler(handler);
+#if wxDEBUG_LEVEL
+ // final checks of the operations done above:
+ wxASSERT_MSG( handlerToPush->GetPreviousHandler() == NULL,
+ "the first handler of the wxWindow stack should "
+ "have no previous handlers set" );
+ wxASSERT_MSG( handlerToPush->GetNextHandler() != NULL,
+ "the first handler of the wxWindow stack should "
+ "have non-NULL next handler" );
+
+ wxEvtHandler* pLast = handlerToPush;
+ while ( pLast && pLast != this )
+ pLast = pLast->GetNextHandler();
+ wxASSERT_MSG( pLast->GetNextHandler() == NULL,
+ "the last handler of the wxWindow stack should "
+ "have this window as next handler" );
+#endif // wxDEBUG_LEVEL
}
wxEvtHandler *wxWindowBase::PopEventHandler(bool deleteHandler)
{
- wxEvtHandler *handlerA = GetEventHandler();
- if ( handlerA )
- {
- wxEvtHandler *handlerB = handlerA->GetNextHandler();
- handlerA->SetNextHandler((wxEvtHandler *)NULL);
+ // we need to pop the wxWindow stack, i.e. we need to remove the first handler
- if ( handlerB )
- handlerB->SetPreviousHandler((wxEvtHandler *)NULL);
- SetEventHandler(handlerB);
+ wxEvtHandler *firstHandler = GetEventHandler();
+ wxCHECK_MSG( firstHandler != NULL, NULL, "wxWindow cannot have a NULL event handler" );
+ wxCHECK_MSG( firstHandler != this, NULL, "cannot pop the wxWindow itself" );
+ wxCHECK_MSG( firstHandler->GetPreviousHandler() == NULL, NULL,
+ "the first handler of the wxWindow stack should have no previous handlers set" );
- if ( deleteHandler )
- {
- delete handlerA;
- handlerA = (wxEvtHandler *)NULL;
- }
+ wxEvtHandler *secondHandler = firstHandler->GetNextHandler();
+ wxCHECK_MSG( secondHandler != NULL, NULL,
+ "the first handler of the wxWindow stack should have non-NULL next handler" );
+
+ firstHandler->SetNextHandler(NULL);
+ secondHandler->SetPreviousHandler(NULL);
+
+ // now firstHandler is completely unlinked; set secondHandler as the new window event handler
+ SetEventHandler(secondHandler);
+
+ if ( deleteHandler )
+ {
+ wxDELETE(firstHandler);
}
- return handlerA;
+ return firstHandler;
}
-bool wxWindowBase::RemoveEventHandler(wxEvtHandler *handler)
+bool wxWindowBase::RemoveEventHandler(wxEvtHandler *handlerToRemove)
{
- wxCHECK_MSG( handler, false, _T("RemoveEventHandler(NULL) called") );
+ wxCHECK_MSG( handlerToRemove != NULL, false, "RemoveEventHandler(NULL) called" );
+ wxCHECK_MSG( handlerToRemove != this, false, "Cannot remove the window itself" );
- wxEvtHandler *handlerPrev = NULL,
- *handlerCur = GetEventHandler();
- while ( handlerCur )
+ if (handlerToRemove == GetEventHandler())
+ {
+ // removing the first event handler is equivalent to "popping" the stack
+ PopEventHandler(false);
+ return true;
+ }
+
+ // NOTE: the wxWindow event handler list is always terminated with "this" handler
+ wxEvtHandler *handlerCur = GetEventHandler()->GetNextHandler();
+ while ( handlerCur != this && handlerCur )
{
wxEvtHandler *handlerNext = handlerCur->GetNextHandler();
- if ( handlerCur == handler )
+ if ( handlerCur == handlerToRemove )
{
- if ( handlerPrev )
- {
- handlerPrev->SetNextHandler(handlerNext);
- }
- else
- {
- SetEventHandler(handlerNext);
- }
-
- if ( handlerNext )
- {
- handlerNext->SetPreviousHandler ( handlerPrev );
- }
-
- handler->SetNextHandler(NULL);
- handler->SetPreviousHandler(NULL);
+ handlerCur->Unlink();
+ wxASSERT_MSG( handlerCur != GetEventHandler(),
+ "the case Remove == Pop should was already handled" );
return true;
}
- handlerPrev = handlerCur;
handlerCur = handlerNext;
}
- wxFAIL_MSG( _T("where has the event handler gone?") );
+ wxFAIL_MSG( wxT("where has the event handler gone?") );
return false;
}
+bool wxWindowBase::HandleWindowEvent(wxEvent& event) const
+{
+ // SafelyProcessEvent() will handle exceptions nicely
+ return GetEventHandler()->SafelyProcessEvent(event);
+}
+
// ----------------------------------------------------------------------------
// colours, fonts &c
// ----------------------------------------------------------------------------
wxColour wxWindowBase::GetBackgroundColour() const
{
- if ( !m_backgroundColour.Ok() )
+ if ( !m_backgroundColour.IsOk() )
{
- wxASSERT_MSG( !m_hasBgCol, _T("we have invalid explicit bg colour?") );
+ wxASSERT_MSG( !m_hasBgCol, wxT("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
+ // and also to avoid surprising 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)
// 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() )
+ if ( !colFg.IsOk() )
colFg = GetClassDefaultAttributes().colFg;
return colFg;
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_hasBgCol = colour.IsOk();
m_inheritBgCol = m_hasBgCol;
m_backgroundColour = colour;
if (colour == m_foregroundColour )
return false;
- m_hasFgCol = colour.Ok();
+ m_hasFgCol = colour.IsOk();
m_inheritFgCol = m_hasFgCol;
m_foregroundColour = colour;
SetThemeEnabled( !m_hasFgCol && !m_backgroundColour.Ok() );
{
// setting an invalid cursor is ok, it means that we don't have any special
// cursor
- if ( m_cursor == cursor )
+ if ( m_cursor.IsSameAs(cursor) )
{
// no change
return false;
wxFont wxWindowBase::GetFont() const
{
// logic is the same as in GetBackgroundColour()
- if ( !m_font.Ok() )
+ if ( !m_font.IsOk() )
{
- wxASSERT_MSG( !m_hasFont, _T("we have invalid explicit font?") );
+ wxASSERT_MSG( !m_hasFont, wxT("we have invalid explicit font?") );
wxFont font = GetDefaultAttributes().font;
- if ( !font.Ok() )
+ if ( !font.IsOk() )
font = GetClassDefaultAttributes().font;
return font;
}
m_font = font;
- m_hasFont = font.Ok();
+ m_hasFont = font.IsOk();
m_inheritFont = m_hasFont;
InvalidateBestSize();
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;
}
// wxGTK uses its own version, no need to add never used code
#ifndef __WXGTK__
wxClientDC dc((wxWindow *)this);
- wxBrush brush(GetBackgroundColour(), wxSOLID);
+ wxBrush brush(GetBackgroundColour(), wxBRUSHSTYLE_SOLID);
dc.SetBackground(brush);
dc.Clear();
#endif // __WXGTK__
if ( id == m_windowId )
return (wxWindow *)this;
- wxWindowBase *res = (wxWindow *)NULL;
+ wxWindowBase *res = NULL;
wxWindowList::compatibility_iterator node;
for ( node = m_children.GetFirst(); node && !res; node = node->GetNext() )
{
if ( name == m_windowName )
return (wxWindow *)this;
- wxWindowBase *res = (wxWindow *)NULL;
+ wxWindowBase *res = NULL;
wxWindowList::compatibility_iterator node;
for ( node = m_children.GetFirst(); node && !res; node = node->GetNext() )
{
}
}
+#if WXWIN_COMPATIBILITY_2_8
// associate this help text with all windows with the same id as this
// one
void wxWindowBase::SetHelpTextForId(const wxString& text)
helpProvider->AddHelp(GetId(), text);
}
}
+#endif // WXWIN_COMPATIBILITY_2_8
// 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) )
+ wxPoint pos = event.GetPosition();
+ const wxHelpEvent::Origin origin = event.GetOrigin();
+ if ( origin == wxHelpEvent::Origin_Keyboard )
+ {
+ // if the help event was generated from keyboard it shouldn't
+ // appear at the mouse position (which is still the only position
+ // associated with help event) if the mouse is far away, although
+ // we still do use the mouse position if it's over the window
+ // because we suppose the user looks approximately at the mouse
+ // already and so it would be more convenient than showing tooltip
+ // at some arbitrary position which can be quite far from it
+ const wxRect rectClient = GetClientRect();
+ if ( !rectClient.Contains(ScreenToClient(pos)) )
+ {
+ // position help slightly under and to the right of this window
+ pos = ClientToScreen(wxPoint(
+ 2*GetCharWidth(),
+ rectClient.height + GetCharHeight()
+ ));
+ }
+ }
+
+ if ( helpProvider->ShowHelpAtPoint(this, pos, origin) )
{
// skip the event.Skip() below
return;
#endif // wxUSE_HELP
// ----------------------------------------------------------------------------
-// tooltipsroot.Replace("\\", "/");
+// tooltips
// ----------------------------------------------------------------------------
#if wxUSE_TOOLTIPS
+wxString wxWindowBase::GetToolTipText() const
+{
+ return m_tooltip ? m_tooltip->GetTip() : wxString();
+}
+
void wxWindowBase::SetToolTip( const wxString &tip )
{
// don't create the new tooltip if we already have one
}
// setting empty tooltip text does not remove the tooltip any more - use
- // SetToolTip((wxToolTip *)NULL) for this
+ // SetToolTip(NULL) for this
}
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
node = next;
}
- delete m_constraintsInvolvedIn;
- m_constraintsInvolvedIn = (wxWindowList *) NULL;
+ wxDELETE(m_constraintsInvolvedIn);
}
}
if ( sizer == m_windowSizer)
return;
- if ( deleteOld )
- delete m_windowSizer;
+ if ( m_windowSizer )
+ {
+ m_windowSizer->SetContainingWindow(NULL);
+
+ if ( deleteOld )
+ delete m_windowSizer;
+ }
m_windowSizer = sizer;
+ if ( m_windowSizer )
+ {
+ m_windowSizer->SetContainingWindow((wxWindow *)this);
+ }
- SetAutoLayout( sizer != NULL );
+ SetAutoLayout(m_windowSizer != NULL);
}
void wxWindowBase::SetSizerAndFit(wxSizer *sizer, bool deleteOld)
// 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?") );
+ wxT("Adding a window to the same sizer twice?") );
m_containingSizer = sizer;
}
return true;
}
+void wxWindowBase::InternalOnSize(wxSizeEvent& event)
+{
+ if ( GetAutoLayout() )
+ Layout();
+
+ event.Skip();
+}
+
#if wxUSE_CONSTRAINTS
// first phase of the constraints evaluation: set our own constraints
if ( (constr->width.GetRelationship() != wxAsIs ) ||
(constr->height.GetRelationship() != wxAsIs) )
{
- SetSize(x, y, w, h);
+ // We really shouldn't set negative sizes for the windows so make
+ // them at least of 1*1 size
+ SetSize(x, y, w > 0 ? w : 1, h > 0 ? h : 1);
}
else
{
}
// ----------------------------------------------------------------------------
-// do Update UI processing for child controls
+// Update UI processing
// ----------------------------------------------------------------------------
void wxWindowBase::UpdateWindowUI(long flags)
Show(event.GetShown());
}
-#if 0
-// call internal idle recursively
-// may be obsolete (wait until OnIdle scheme stabilises)
-void wxWindowBase::ProcessInternalIdle()
+// ----------------------------------------------------------------------------
+// dialog units translations
+// ----------------------------------------------------------------------------
+
+// Windows' computes dialog units using average character width over upper-
+// and lower-case ASCII alphabet and not using the average character width
+// metadata stored in the font; see
+// http://support.microsoft.com/default.aspx/kb/145994 for detailed discussion.
+// It's important that we perform the conversion in identical way, because
+// dialog units natively exist only on Windows and Windows HIG is expressed
+// using them.
+wxSize wxWindowBase::GetDlgUnitBase() const
{
- OnInternalIdle();
+ const wxWindow *parent = wxGetTopLevelParent((wxWindow*)this);
- wxWindowList::compatibility_iterator node = GetChildren().GetFirst();
- while (node)
+ if ( !parent->m_font.IsOk() )
{
- wxWindow *child = node->GetData();
- child->ProcessInternalIdle();
- node = node->GetNext();
+ // Default GUI font is used. This is the most common case, so
+ // cache the results.
+ static wxSize s_defFontSize;
+ if ( s_defFontSize.x == 0 )
+ s_defFontSize = wxPrivate::GetAverageASCIILetterSize(*parent);
+ return s_defFontSize;
+ }
+ else
+ {
+ // Custom font, we always need to compute the result
+ return wxPrivate::GetAverageASCIILetterSize(*parent);
}
}
-#endif
-// ----------------------------------------------------------------------------
-// dialog units translations
-// ----------------------------------------------------------------------------
-
-wxPoint wxWindowBase::ConvertPixelsToDialog(const wxPoint& pt)
+wxPoint wxWindowBase::ConvertPixelsToDialog(const wxPoint& pt) const
{
- int charWidth = GetCharWidth();
- int charHeight = GetCharHeight();
+ const wxSize base = GetDlgUnitBase();
+
+ // NB: wxMulDivInt32() is used, because it correctly rounds the result
+
wxPoint pt2 = wxDefaultPosition;
if (pt.x != wxDefaultCoord)
- pt2.x = (int) ((pt.x * 4) / charWidth);
+ pt2.x = wxMulDivInt32(pt.x, 4, base.x);
if (pt.y != wxDefaultCoord)
- pt2.y = (int) ((pt.y * 8) / charHeight);
+ pt2.y = wxMulDivInt32(pt.y, 8, base.y);
return pt2;
}
-wxPoint wxWindowBase::ConvertDialogToPixels(const wxPoint& pt)
+wxPoint wxWindowBase::ConvertDialogToPixels(const wxPoint& pt) const
{
- int charWidth = GetCharWidth();
- int charHeight = GetCharHeight();
+ const wxSize base = GetDlgUnitBase();
+
wxPoint pt2 = wxDefaultPosition;
if (pt.x != wxDefaultCoord)
- pt2.x = (int) ((pt.x * charWidth) / 4);
+ pt2.x = wxMulDivInt32(pt.x, base.x, 4);
if (pt.y != wxDefaultCoord)
- pt2.y = (int) ((pt.y * charHeight) / 8);
+ pt2.y = wxMulDivInt32(pt.y, base.y, 8);
return pt2;
}
// ----------------------------------------------------------------------------
// propagate the colour change event to the subwindows
-void wxWindowBase::OnSysColourChanged(wxSysColourChangedEvent& event)
+void wxWindowBase::OnSysColourChanged(wxSysColourChangedEvent& WXUNUSED(event))
{
wxWindowList::compatibility_iterator node = GetChildren().GetFirst();
while ( node )
if ( !win->IsTopLevel() )
{
wxSysColourChangedEvent event2;
- event.SetEventObject(win);
+ event2.SetEventObject(win);
win->GetEventHandler()->ProcessEvent(event2);
}
UpdateWindowUI(wxUPDATE_UI_RECURSE);
}
-// methods for drawing the sizers in a visible way
-#ifdef __WXDEBUG__
+// ----------------------------------------------------------------------------
+// menu-related functions
+// ----------------------------------------------------------------------------
+
+#if wxUSE_MENUS
+
+bool wxWindowBase::PopupMenu(wxMenu *menu, int x, int y)
+{
+ wxCHECK_MSG( menu, false, "can't popup NULL menu" );
+
+ wxMenuInvokingWindowSetter
+ setInvokingWin(*menu, static_cast<wxWindow *>(this));
+
+ wxCurrentPopupMenu = menu;
+ const bool rc = DoPopupMenu(menu, x, y);
+ wxCurrentPopupMenu = NULL;
+
+ return rc;
+}
+
+// this is used to pass the id of the selected item from the menu event handler
+// to the main function itself
+//
+// it's ok to use a global here as there can be at most one popup menu shown at
+// any time
+static int gs_popupMenuSelection = wxID_NONE;
+
+void wxWindowBase::InternalOnPopupMenu(wxCommandEvent& event)
+{
+ // store the id in a global variable where we'll retrieve it from later
+ gs_popupMenuSelection = event.GetId();
+}
+
+void wxWindowBase::InternalOnPopupMenuUpdate(wxUpdateUIEvent& WXUNUSED(event))
+{
+ // nothing to do but do not skip it
+}
+
+int
+wxWindowBase::DoGetPopupMenuSelectionFromUser(wxMenu& menu, int x, int y)
+{
+ gs_popupMenuSelection = wxID_NONE;
+
+ Connect(wxEVT_COMMAND_MENU_SELECTED,
+ wxCommandEventHandler(wxWindowBase::InternalOnPopupMenu),
+ NULL,
+ this);
+
+ // it is common to construct the menu passed to this function dynamically
+ // using some fixed range of ids which could clash with the ids used
+ // elsewhere in the program, which could result in some menu items being
+ // unintentionally disabled or otherwise modified by update UI handlers
+ // elsewhere in the program code and this is difficult to avoid in the
+ // program itself, so instead we just temporarily suspend UI updating while
+ // this menu is shown
+ Connect(wxEVT_UPDATE_UI,
+ wxUpdateUIEventHandler(wxWindowBase::InternalOnPopupMenuUpdate),
+ NULL,
+ this);
+
+ PopupMenu(&menu, x, y);
+
+ Disconnect(wxEVT_UPDATE_UI,
+ wxUpdateUIEventHandler(wxWindowBase::InternalOnPopupMenuUpdate),
+ NULL,
+ this);
+ Disconnect(wxEVT_COMMAND_MENU_SELECTED,
+ wxCommandEventHandler(wxWindowBase::InternalOnPopupMenu),
+ NULL,
+ this);
+
+ return gs_popupMenuSelection;
+}
+
+#endif // wxUSE_MENUS
+
+// methods for drawing the sizers in a visible way: this is currently only
+// enabled for "full debug" builds with wxDEBUG_LEVEL==2 as it doesn't work
+// that well and also because we don't want to leave it enabled in default
+// builds used for production
+#if wxDEBUG_LEVEL > 1
static void DrawSizers(wxWindowBase *win);
-static void DrawBorder(wxWindowBase *win, const wxRect& rect, bool fill = false)
+static void DrawBorder(wxWindowBase *win, const wxRect& rect, bool fill, const wxPen* pen)
{
wxClientDC dc((wxWindow *)win);
- dc.SetPen(*wxRED_PEN);
- dc.SetBrush(fill ? wxBrush(*wxRED, wxCROSSDIAG_HATCH): *wxTRANSPARENT_BRUSH);
+ dc.SetPen(*pen);
+ dc.SetBrush(fill ? wxBrush(pen->GetColour(), wxBRUSHSTYLE_CROSSDIAG_HATCH) :
+ *wxTRANSPARENT_BRUSH);
dc.DrawRectangle(rect.Deflate(1, 1));
}
wxSizerItem *item = *i;
if ( item->IsSizer() )
{
- DrawBorder(win, item->GetRect().Deflate(2));
+ DrawBorder(win, item->GetRect().Deflate(2), false, wxRED_PEN);
DrawSizer(win, item->GetSizer());
}
else if ( item->IsSpacer() )
{
- DrawBorder(win, item->GetRect().Deflate(2), true);
+ DrawBorder(win, item->GetRect().Deflate(2), true, wxBLUE_PEN);
}
else if ( item->IsWindow() )
{
DrawSizers(item->GetWindow());
}
+ else
+ wxFAIL_MSG("inconsistent wxSizerItem status!");
}
}
static void DrawSizers(wxWindowBase *win)
{
+ DrawBorder(win, win->GetClientSize(), false, wxGREEN_PEN);
+
wxSizer *sizer = win->GetSizer();
if ( sizer )
{
- DrawBorder(win, win->GetClientSize());
DrawSizer(win, sizer);
}
else // no sizer, still recurse into the children
{
DrawSizers(*i);
}
+
+ // show all kind of sizes of this window; see the "window sizing" topic
+ // overview for more info about the various differences:
+ wxSize fullSz = win->GetSize();
+ wxSize clientSz = win->GetClientSize();
+ wxSize bestSz = win->GetBestSize();
+ wxSize minSz = win->GetMinSize();
+ wxSize maxSz = win->GetMaxSize();
+ wxSize virtualSz = win->GetVirtualSize();
+
+ wxMessageOutputDebug dbgout;
+ dbgout.Printf(
+ "%-10s => fullsz=%4d;%-4d clientsz=%4d;%-4d bestsz=%4d;%-4d minsz=%4d;%-4d maxsz=%4d;%-4d virtualsz=%4d;%-4d\n",
+ win->GetName(),
+ fullSz.x, fullSz.y,
+ clientSz.x, clientSz.y,
+ bestSz.x, bestSz.y,
+ minSz.x, minSz.y,
+ maxSz.x, maxSz.y,
+ virtualSz.x, virtualSz.y);
}
}
-#endif // __WXDEBUG__
+#endif // wxDEBUG_LEVEL
// process special middle clicks
void wxWindowBase::OnMiddleClick( wxMouseEvent& event )
{
if ( event.ControlDown() && event.AltDown() )
{
-#ifdef __WXDEBUG__
+#if wxDEBUG_LEVEL > 1
// Ctrl-Alt-Shift-mclick makes the sizers visible in debug builds
if ( event.ShiftDown() )
{
DrawSizers(this);
- return;
}
+ else
#endif // __WXDEBUG__
-
-#if wxUSE_MSGDLG
- // don't translate these strings
- wxString port;
-
-#ifdef __WXUNIVERSAL__
- port = _T("Univ/");
-#endif // __WXUNIVERSAL__
-
- 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;
- case wxPALMOS: port += _T("Palm OS"); break;
- case wxWINDOWS_CE: port += _T("Windows CE (generic)"); break;
- case wxWINDOWS_POCKETPC: port += _T("Windows CE PocketPC"); break;
- case wxWINDOWS_SMARTPHONE: port += _T("Windows CE Smartphone"); break;
- default: port += _T("unknown"); break;
+ // just Ctrl-Alt-middle click shows information about wx version
+ ::wxInfoMessageBox((wxWindow*)this);
}
-
- wxMessageBox(wxString::Format(
- _T(
- " wxWidgets Library (%s port)\nVersion %d.%d.%d%s%s, compiled at %s %s%s\n Copyright (c) 1995-2006 wxWidgets team"
- ),
- port.c_str(),
- wxMAJOR_VERSION,
- wxMINOR_VERSION,
- wxRELEASE_NUMBER,
-#if wxUSE_UNICODE
- L" (Unicode)",
-#else
- "",
-#endif
-#ifdef __WXDEBUG__
- _T(" Debug build"),
-#else
- wxEmptyString,
-#endif
- __TDATE__,
- __TTIME__,
-#ifdef __WXGTK__
- wxString::Format(_T("\nagainst GTK+ %d.%d.%d. Runtime GTK+ version: %d.%d.%d"), GTK_MAJOR_VERSION, GTK_MINOR_VERSION, GTK_MICRO_VERSION, gtk_major_version, gtk_minor_version, gtk_micro_version).c_str()
-#else
- ""
-#endif
- ),
- _T("wxWidgets information"),
- wxICON_INFORMATION | wxOK,
- (wxWindow *)this);
}
else
-#endif // wxUSE_MSGDLG
{
event.Skip();
}
#include "wx/listimpl.cpp"
WX_DEFINE_LIST(wxWindowList)
-#else
+#else // !wxUSE_STL
void wxWindowListNode::DeleteData()
{
delete (wxWindow *)GetData();
}
-#endif
+#endif // wxUSE_STL/!wxUSE_STL
// ----------------------------------------------------------------------------
// borders
{
border = GetDefaultBorder();
}
+ else if ( border == wxBORDER_THEME )
+ {
+ border = GetDefaultBorderForControl();
+ }
return border;
}
wxWindow *win;
wxWindowNext *next;
} *wxWindowBase::ms_winCaptureNext = NULL;
+wxWindow *wxWindowBase::ms_winCaptureCurrent = NULL;
+bool wxWindowBase::ms_winCaptureChanging = false;
void wxWindowBase::CaptureMouse()
{
- wxLogTrace(_T("mousecapture"), _T("CaptureMouse(%p)"), this);
+ wxLogTrace(wxT("mousecapture"), wxT("CaptureMouse(%p)"), static_cast<void*>(this));
+
+ wxASSERT_MSG( !ms_winCaptureChanging, wxT("recursive CaptureMouse call?") );
+
+ ms_winCaptureChanging = true;
wxWindow *winOld = GetCapture();
if ( winOld )
//else: no mouse capture to save
DoCaptureMouse();
+ ms_winCaptureCurrent = (wxWindow*)this;
+
+ ms_winCaptureChanging = false;
}
void wxWindowBase::ReleaseMouse()
{
- wxLogTrace(_T("mousecapture"), _T("ReleaseMouse(%p)"), this);
+ wxLogTrace(wxT("mousecapture"), wxT("ReleaseMouse(%p)"), static_cast<void*>(this));
+
+ wxASSERT_MSG( !ms_winCaptureChanging, wxT("recursive ReleaseMouse call?") );
+
+ wxASSERT_MSG( GetCapture() == this,
+ "attempt to release mouse, but this window hasn't captured it" );
+ wxASSERT_MSG( ms_winCaptureCurrent == this,
+ "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 )
{
((wxWindowBase*)ms_winCaptureNext->win)->DoCaptureMouse();
+ ms_winCaptureCurrent = ms_winCaptureNext->win;
wxWindowNext *item = ms_winCaptureNext;
ms_winCaptureNext = item->next;
}
//else: stack is empty, no previous capture
- wxLogTrace(_T("mousecapture"),
- (const wxChar *) _T("After ReleaseMouse() mouse is captured by %p"),
- GetCapture());
+ ms_winCaptureChanging = false;
+
+ wxLogTrace(wxT("mousecapture"),
+ (const wxChar *) wxT("After ReleaseMouse() mouse is captured by %p"),
+ static_cast<void*>(GetCapture()));
+}
+
+static void DoNotifyWindowAboutCaptureLost(wxWindow *win)
+{
+ wxMouseCaptureLostEvent event(win->GetId());
+ event.SetEventObject(win);
+ if ( !win->GetEventHandler()->ProcessEvent(event) )
+ {
+ // windows must handle this event, otherwise the app wouldn't behave
+ // correctly if it loses capture unexpectedly; see the discussion here:
+ // http://sourceforge.net/tracker/index.php?func=detail&aid=1153662&group_id=9863&atid=109863
+ // http://article.gmane.org/gmane.comp.lib.wxwidgets.devel/82376
+ wxFAIL_MSG( wxT("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
#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))
+bool wxWindowBase::TryBefore(wxEvent& 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) )
+ wxValidator * const validator = GetValidator();
+ if ( validator && validator->ProcessEventLocally(event) )
{
return true;
}
}
#endif // wxUSE_VALIDATORS
- return false;
+ return wxEvtHandler::TryBefore(event);
}
-bool wxWindowBase::TryParent(wxEvent& event)
+bool wxWindowBase::TryAfter(wxEvent& event)
{
// carry on up the parent-child hierarchy if the propagation count hasn't
// reached zero yet
}
}
- return wxEvtHandler::TryParent(event);
+ return wxEvtHandler::TryAfter(event);
+}
+
+// ----------------------------------------------------------------------------
+// window relationships
+// ----------------------------------------------------------------------------
+
+wxWindow *wxWindowBase::DoGetSibling(WindowOrder order) const
+{
+ wxCHECK_MSG( GetParent(), NULL,
+ wxT("GetPrev/NextSibling() don't work for TLWs!") );
+
+ wxWindowList& siblings = GetParent()->GetChildren();
+ wxWindowList::compatibility_iterator i = siblings.Find((wxWindow *)this);
+ wxCHECK_MSG( i, NULL, wxT("window not a child of its parent?") );
+
+ if ( order == OrderBefore )
+ i = i->GetPrevious();
+ else // OrderAfter
+ i = i->GetNext();
+
+ return i ? i->GetData() : NULL;
}
// ----------------------------------------------------------------------------
// keyboard navigation
// ----------------------------------------------------------------------------
-// Navigates in the specified direction.
-bool wxWindowBase::Navigate(int flags)
+// Navigates in the specified direction inside this window
+bool wxWindowBase::DoNavigateIn(int flags)
{
+#ifdef wxHAS_NATIVE_TAB_TRAVERSAL
+ // native code doesn't process our wxNavigationKeyEvents anyhow
+ wxUnusedVar(flags);
+ return false;
+#else // !wxHAS_NATIVE_TAB_TRAVERSAL
wxNavigationKeyEvent eventNav;
+ wxWindow *focused = FindFocus();
+ eventNav.SetCurrentFocus(focused);
+ eventNav.SetEventObject(focused);
eventNav.SetFlags(flags);
- eventNav.SetEventObject(this);
- if ( GetParent()->GetEventHandler()->ProcessEvent(eventNav) )
- {
- return true;
- }
- return false;
+ return GetEventHandler()->ProcessEvent(eventNav);
+#endif // wxHAS_NATIVE_TAB_TRAVERSAL/!wxHAS_NATIVE_TAB_TRAVERSAL
+}
+
+bool wxWindowBase::HandleAsNavigationKey(const wxKeyEvent& event)
+{
+ if ( event.GetKeyCode() != WXK_TAB )
+ return false;
+
+ int flags = wxNavigationKeyEvent::FromTab;
+
+ if ( event.ShiftDown() )
+ flags |= wxNavigationKeyEvent::IsBackward;
+ else
+ flags |= wxNavigationKeyEvent::IsForward;
+
+ if ( event.ControlDown() )
+ flags |= wxNavigationKeyEvent::WinChange;
+
+ Navigate(flags);
+ return true;
}
-void wxWindowBase::DoMoveInTabOrder(wxWindow *win, MoveKind move)
+void wxWindowBase::DoMoveInTabOrder(wxWindow *win, WindowOrder move)
{
// check that we're not a top level window
wxCHECK_RET( GetParent(),
- _T("MoveBefore/AfterInTabOrder() don't work for TLWs!") );
+ wxT("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
// 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") );
+ wxCHECK_RET( i, wxT("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 )
+ if ( move == OrderAfter )
{
i = i->GetNext();
}
{
siblings.Insert(i, self);
}
- else // MoveAfter and win was the last sibling
+ else // OrderAfter and win was the last sibling
{
siblings.Append(self);
}
return win ? win->GetMainWindowOfCompositeControl() : NULL;
}
+bool wxWindowBase::HasFocus() const
+{
+ wxWindowBase *win = DoFindFocus();
+ return win == this ||
+ win == wxConstCast(this, wxWindowBase)->GetMainWindowOfCompositeControl();
+}
+
+// ----------------------------------------------------------------------------
+// drag and drop
+// ----------------------------------------------------------------------------
+
+#if wxUSE_DRAG_AND_DROP && !defined(__WXMSW__)
+
+namespace
+{
+
+class DragAcceptFilesTarget : public wxFileDropTarget
+{
+public:
+ DragAcceptFilesTarget(wxWindowBase *win) : m_win(win) {}
+
+ virtual bool OnDropFiles(wxCoord x, wxCoord y,
+ const wxArrayString& filenames)
+ {
+ wxDropFilesEvent event(wxEVT_DROP_FILES,
+ filenames.size(),
+ wxCArrayString(filenames).Release());
+ event.SetEventObject(m_win);
+ event.m_pos.x = x;
+ event.m_pos.y = y;
+
+ return m_win->HandleWindowEvent(event);
+ }
+
+private:
+ wxWindowBase * const m_win;
+
+ wxDECLARE_NO_COPY_CLASS(DragAcceptFilesTarget);
+};
+
+
+} // anonymous namespace
+
+// Generic version of DragAcceptFiles(). It works by installing a simple
+// wxFileDropTarget-to-EVT_DROP_FILES adaptor and therefore cannot be used
+// together with explicit SetDropTarget() calls.
+void wxWindowBase::DragAcceptFiles(bool accept)
+{
+ if ( accept )
+ {
+ wxASSERT_MSG( !GetDropTarget(),
+ "cannot use DragAcceptFiles() and SetDropTarget() together" );
+ SetDropTarget(new DragAcceptFilesTarget(this));
+ }
+ else
+ {
+ SetDropTarget(NULL);
+ }
+}
+
+#endif // wxUSE_DRAG_AND_DROP && !defined(__WXMSW__)
+
// ----------------------------------------------------------------------------
// global functions
// ----------------------------------------------------------------------------
if (!GetWindow())
return wxACC_FAIL;
- wxString ht(GetWindow()->GetHelpText());
+ wxString ht(GetWindow()->GetHelpTextAtPoint(wxDefaultPosition, wxHelpEvent::Origin_Keyboard));
if (!ht.empty())
{
*description = ht;
if (!GetWindow())
return wxACC_FAIL;
- wxString ht(GetWindow()->GetHelpText());
+ wxString ht(GetWindow()->GetHelpTextAtPoint(wxDefaultPosition, wxHelpEvent::Origin_Keyboard));
if (!ht.empty())
{
*helpText = ht;
return wxACC_NOT_IMPLEMENTED;
}
+#if wxUSE_VARIANT
// Gets a variant representing the selected children
// of this object.
// Acceptable values:
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