/////////////////////////////////////////////////////////////////////////////
-// 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
+// Copyright: (c) wxWidgets team
// Licence: wxWindows licence
/////////////////////////////////////////////////////////////////////////////
// headers
// ----------------------------------------------------------------------------
-#if defined(__GNUG__) && !defined(NO_GCC_PRAGMA)
- #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/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 wxUSE_CONSTRAINTS
+ #include "wx/scrolbar.h"
#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/caret.h"
#endif // wxUSE_CARET
+#if wxUSE_SYSTEM_OPTIONS
+ #include "wx/sysopt.h"
+#endif
+
+#include "wx/platinfo.h"
+
+// Windows List
+WXDLLIMPEXP_DATA_CORE(wxWindowList) wxTopLevelWindows;
+
+// globals
+#if wxUSE_MENUS
+wxMenu *wxCurrentPopupMenu = NULL;
+#endif // wxUSE_MENUS
+
// ----------------------------------------------------------------------------
// static data
// ----------------------------------------------------------------------------
-#if 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_parent = NULL;
+ 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;
#if wxUSE_VALIDATORS
// no validator
- m_windowValidator = (wxValidator *) NULL;
+ m_windowValidator = 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_isBeingDeleted = FALSE;
+ m_hasFont = false;
+ m_inheritBgCol =
+ m_inheritFgCol =
+ m_inheritFont = false;
// no style bits
m_exStyle =
m_windowStyle = 0;
+ m_backgroundStyle = wxBG_STYLE_SYSTEM;
+
#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_autoLayout = FALSE;
+ 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_hasCustomPalette = FALSE;
+ m_hasCustomPalette = false;
#endif // wxUSE_PALETTE
#if wxUSE_ACCESSIBILITY
m_virtualSize = wxDefaultSize;
- m_minVirtualWidth =
- m_minVirtualHeight =
- m_maxVirtualWidth =
- m_maxVirtualHeight = -1;
+ m_scrollHelper = NULL;
+
+ m_windowVariant = wxWINDOW_VARIANT_NORMAL;
+#if wxUSE_SYSTEM_OPTIONS
+ if ( wxSystemOptions::HasOption(wxWINDOW_DEFAULT_VARIANT) )
+ {
+ m_windowVariant = (wxWindowVariant) wxSystemOptions::GetOptionInt( wxWINDOW_DEFAULT_VARIANT ) ;
+ }
+#endif
// Whether we're using the current theme for this window (wxGTK only for now)
- m_themeEnabled = FALSE;
+ m_themeEnabled = false;
+
+ // 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
// ids are limited to 16 bits under MSW so if you care about portability,
// it's not a good idea to use ids out of this range (and negative ids are
- // reserved for wxWindows own usage)
- wxASSERT_MSG( id == wxID_ANY || (id >= 0 && id < 32767),
+ // reserved for wxWidgets own usage)
+ wxASSERT_MSG( id == wxID_ANY || (id >= 0 && id < 32767) ||
+ (id >= wxID_AUTO_LOWEST && id <= wxID_AUTO_HIGHEST),
_T("invalid id value") );
// generate a new id if the user doesn't care about it
- m_windowId = id == 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;
SetName(name);
- SetWindowStyleFlag(style);
SetParent(parent);
#if wxUSE_VALIDATORS
SetExtraStyle(GetExtraStyle() | wxWS_EX_VALIDATE_RECURSIVELY);
}
- return TRUE;
+ return true;
+}
+
+bool wxWindowBase::ToggleWindowStyle(int flag)
+{
+ wxASSERT_MSG( flag, _T("flags with 0 value can't be toggled") );
+
+ bool rc;
+ long style = GetWindowStyleFlag();
+ if ( style & flag )
+ {
+ style &= ~flag;
+ rc = false;
+ }
+ else // currently off
+ {
+ style |= flag;
+ rc = true;
+ }
+
+ SetWindowStyleFlag(style);
+
+ return rc;
}
// ----------------------------------------------------------------------------
// we weren't a dialog class
wxTopLevelWindows.DeleteObject((wxWindow*)this);
+#if wxUSE_MENUS
+ // The associated popup menu can still be alive, disassociate from it in
+ // this case
+ if ( wxCurrentPopupMenu && wxCurrentPopupMenu->GetInvokingWindow() == this )
+ wxCurrentPopupMenu->SetInvokingWindow(NULL);
+#endif // wxUSE_MENUS
+
wxASSERT_MSG( GetChildren().GetCount() == 0, wxT("children not destroyed") );
- // 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;
#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 true;
}
bool wxWindowBase::Close(bool force)
event.SetEventObject(this);
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();
+ 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()") );
}
- 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;
-
- wxWindow *parent = NULL;
-
- if ( !(direction & wxCENTRE_ON_SCREEN) )
- {
- // find the parent to centre this window on: it should be the
- // immediate parent for the controls but the top level parent for the
- // top level windows (like dialogs)
- parent = GetParent();
- if ( IsTopLevel() )
- {
- while ( parent && !parent->IsTopLevel() )
- {
- parent = parent->GetParent();
- }
- }
-
- // there is no wxTopLevelWindow under wxMotif yet
-#ifndef __WXMOTIF__
- // we shouldn't center the dialog on the iconized window: under
- // Windows, for example, this places it completely off the screen
- if ( parent )
- {
- wxTopLevelWindow *winTop = wxDynamicCast(parent, wxTopLevelWindow);
- if ( winTop && winTop->IsIconized() )
- {
- parent = NULL;
- }
- }
-#endif // __WXMOTIF__
-
- // did we find the parent?
- if ( !parent )
- {
- // no other choice
- direction |= wxCENTRE_ON_SCREEN;
- }
- }
-
- if ( direction & wxCENTRE_ON_SCREEN )
- {
- // centre with respect to the whole screen
- wxDisplaySize(&widthParent, &heightParent);
- }
- else
- {
- if ( IsTopLevel() )
- {
- // centre on the parent
- parent->GetSize(&widthParent, &heightParent);
-
- // adjust to the parents position
- posParent = parent->GetPosition();
- }
- else
- {
- // centre inside the parents client rectangle
- parent->GetClientSize(&widthParent, &heightParent);
- }
- }
-
- int width, height;
- GetSize(&width, &height);
-
- int xNew = -1,
- yNew = -1;
+ wxCHECK_RET( !(dir & wxCENTRE_ON_SCREEN) && GetParent(),
+ _T("this method only implements centering child windows") );
- if ( direction & wxHORIZONTAL )
- xNew = (widthParent - width)/2;
-
- if ( direction & wxVERTICAL )
- yNew = (heightParent - height)/2;
-
- xNew += posParent.x;
- yNew += posParent.y;
-
- // Base size of the visible dimensions of the display
- // to take into account the taskbar
- wxRect rect = wxGetClientDisplayRect();
- wxSize size (rect.width,rect.height);
-
- // NB: in wxMSW, negative position may not neccessary mean "out of screen",
- // but it may mean that the window is placed on other than the main
- // display. Therefore we only make sure centered window is on the main display
- // if the parent is at least partially present here.
- if (posParent.x + widthParent >= 0) // if parent is (partially) on the main display
- {
- if (xNew < 0)
- xNew = 0;
- else if (xNew+width > size.x)
- xNew = size.x-width-1;
- }
- if (posParent.y + heightParent >= 0) // if parent is (partially) on the main display
- {
- if (yNew+height > size.y)
- yNew = size.y-height-1;
-
- // Make certain that the title bar is initially visible
- // always, even if this would push the bottom of the
- // dialog of the visible area of the display
- if (yNew < 0)
- yNew = 0;
- }
-
- // move the 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);
+ SetSize(GetRect().CentreIn(GetParent()->GetClientSize(), dir));
}
// fits the window around the children
void wxWindowBase::Fit()
{
- if ( GetChildren().GetCount() > 0 )
+ if ( !GetChildren().empty() )
{
- SetClientSize(DoGetBestSize());
+ SetSize(GetBestSize());
}
//else: do nothing if we have no children
}
}
}
+// On Mac, scrollbars are explicitly children.
+#ifdef __WXMAC__
+static bool wxHasRealChildren(const wxWindowBase* win)
+{
+ int realChildCount = 0;
+
+ 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
+
+void wxWindowBase::InvalidateBestSize()
+{
+ m_bestSizeCache = wxDefaultSize;
+
+ // parent's best size calculation may depend on its children's
+ // as long as child window we are in is not top level window itself
+ // (because the TLW size is never resized automatically)
+ // so let's invalidate it as well to be safe:
+ if (m_parent && !IsTopLevel())
+ m_parent->InvalidateBestSize();
+}
+
// return the size best suited for the current window
wxSize wxWindowBase::DoGetBestSize() const
{
+ wxSize best;
+
if ( m_windowSizer )
{
- return m_windowSizer->GetMinSize();
+ best = m_windowSizer->GetMinSize();
}
#if wxUSE_CONSTRAINTS
else if ( m_constraints )
// will never return a size bigger than the current one :-(
}
- return wxSize(maxX, maxY);
+ best = wxSize(maxX, maxY);
}
#endif // wxUSE_CONSTRAINTS
- else if ( GetChildren().GetCount() > 0 )
+ 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;
{
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;
}
- // 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);
+ }
- return wxSize(maxX, maxY);
+ // return as-is, unadjusted by the client size difference.
+ return size;
}
- else
+
+ // 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;
+}
+
+// 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( _T("unexpected wxGetMetricOrDefault() argument") );
+ rc = 0;
+ }
+ }
+
+ return rc;
+}
+
+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(_T("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)
{
- // 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;
+}
+
+wxSize wxWindowBase::GetBestSize() const
+{
+ if ((!m_windowSizer) && (m_bestSizeCache.IsFullySpecified()))
+ return m_bestSizeCache;
+
+ return DoGetBestSize();
+}
+
+void wxWindowBase::SetMinSize(const wxSize& minSize)
+{
+ m_minWidth = minSize.x;
+ m_minHeight = minSize.y;
+}
+
+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 = GetEffectiveMinSize();
+
+ // 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);
+}
+
+wxSize wxWindowBase::ClientToWindowSize(const wxSize& size) const
+{
+ const wxSize diff(GetSize() - GetClientSize());
+
+ return wxSize(size.x == -1 ? -1 : size.x + diff.x,
+ size.y == -1 ? -1 : size.y + diff.y);
+}
+
+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 )
+{
+ 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);
}
-// 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 == -1 || maxW == -1 || minW <= maxW) &&
- (minH == -1 || maxH == -1 || minH <= maxH),
+ 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_maxHeight = maxH;
}
-void wxWindowBase::SetVirtualSizeHints( int minW, int minH,
- int maxW, int maxH )
+
+#if WXWIN_COMPATIBILITY_2_8
+void wxWindowBase::SetVirtualSizeHints(int WXUNUSED(minW), int WXUNUSED(minH),
+ int WXUNUSED(maxW), int WXUNUSED(maxH))
+{
+}
+
+void wxWindowBase::SetVirtualSizeHints(const wxSize& WXUNUSED(minsize),
+ const wxSize& WXUNUSED(maxsize))
{
- m_minVirtualWidth = minW;
- m_maxVirtualWidth = maxW;
- m_minVirtualHeight = minH;
- m_maxVirtualHeight = maxH;
}
+#endif // WXWIN_COMPATIBILITY_2_8
void wxWindowBase::DoSetVirtualSize( int x, int y )
{
- if ( m_minVirtualWidth != -1 && m_minVirtualWidth > x )
- x = m_minVirtualWidth;
- if ( m_maxVirtualWidth != -1 && m_maxVirtualWidth < x )
- x = m_maxVirtualWidth;
- if ( m_minVirtualHeight != -1 && m_minVirtualHeight > y )
- y = m_minVirtualHeight;
- if ( m_maxVirtualHeight != -1 && m_maxVirtualHeight < y )
- y = m_maxVirtualHeight;
-
m_virtualSize = wxSize(x, y);
}
wxSize wxWindowBase::DoGetVirtualSize() const
{
- wxSize s( GetClientSize() );
+ // 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);
+}
+
+void wxWindowBase::SendSizeEvent(int flags)
+{
+ wxSizeEvent event(GetSize(), GetId());
+ event.SetEventObject(this);
+ if ( flags & wxSEND_EVENT_POST )
+ wxPostEvent(this, event);
+ else
+ HandleWindowEvent(event);
+}
- return wxSize( wxMax( m_virtualSize.GetWidth(), s.GetWidth() ),
- wxMax( m_virtualSize.GetHeight(), s.GetHeight() ) );
+void wxWindowBase::SendSizeEventToParent(int flags)
+{
+ wxWindow * const parent = GetParent();
+ if ( parent && !parent->IsBeingDeleted() )
+ parent->SendSizeEvent(flags);
}
// ----------------------------------------------------------------------------
{
m_isShown = show;
- return TRUE;
+ return true;
}
else
{
- return FALSE;
+ return false;
}
}
-bool wxWindowBase::Enable(bool enable)
+bool wxWindowBase::IsEnabled() const
{
- if ( enable != m_isEnabled )
- {
- m_isEnabled = enable;
+ return IsThisEnabled() && (IsTopLevel() || !GetParent() || GetParent()->IsEnabled());
+}
+
+void wxWindowBase::NotifyWindowOnEnableChange(bool enabled)
+{
+#ifndef wxHAS_NATIVE_ENABLED_MANAGEMENT
+ DoEnable(enabled);
+#endif // !defined(wxHAS_NATIVE_ENABLED_MANAGEMENT)
- return TRUE;
+ OnEnabled(enabled);
+
+ // If we are top-level then the logic doesn't apply - otherwise
+ // showing a modal dialog would result in total greying out (and ungreying
+ // out later) of everything which would be really ugly
+ if ( IsTopLevel() )
+ return;
+
+ for ( wxWindowList::compatibility_iterator node = GetChildren().GetFirst();
+ node;
+ node = node->GetNext() )
+ {
+ wxWindowBase * const child = node->GetData();
+ if ( !child->IsTopLevel() && child->IsThisEnabled() )
+ child->NotifyWindowOnEnableChange(enabled);
}
- else
+}
+
+bool wxWindowBase::Enable(bool enable)
+{
+ if ( enable == IsThisEnabled() )
+ return false;
+
+ m_isEnabled = enable;
+
+#ifdef wxHAS_NATIVE_ENABLED_MANAGEMENT
+ DoEnable(enable);
+#else // !defined(wxHAS_NATIVE_ENABLED_MANAGEMENT)
+ wxWindowBase * const parent = GetParent();
+ if( !IsTopLevel() && parent && !parent->IsEnabled() )
{
- return FALSE;
+ return true;
}
+#endif // !defined(wxHAS_NATIVE_ENABLED_MANAGEMENT)
+
+ NotifyWindowOnEnableChange(enable);
+
+ return true;
}
+
+bool wxWindowBase::IsShownOnScreen() const
+{
+ // A window is shown on screen if it itself is shown and so are all its
+ // parents. But if a window is toplevel one, then its always visible on
+ // screen if IsShown() returns true, even if it has a hidden parent.
+ return IsShown() &&
+ (IsTopLevel() || GetParent() == NULL || GetParent()->IsShownOnScreen());
+}
+
// ----------------------------------------------------------------------------
// RTTI
// ----------------------------------------------------------------------------
bool wxWindowBase::IsTopLevel() const
{
- return FALSE;
+ 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();
+ }
}
// ----------------------------------------------------------------------------
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);
}
if ( newParent == oldParent )
{
// nothing done
- return FALSE;
+ return false;
}
+ const bool oldEnabledState = IsEnabled();
+
// unlink this window from the existing parent.
if ( oldParent )
{
wxTopLevelWindows.Append((wxWindow *)this);
}
- return TRUE;
+ // 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);
+#ifdef __WXDEBUG__
+ // 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
}
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 )
+ {
+ delete firstHandler;
+ firstHandler = NULL;
}
- 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" );
+
+ if (handlerToRemove == GetEventHandler())
+ {
+ // removing the first event handler is equivalent to "popping" the stack
+ PopEventHandler(false);
+ return true;
+ }
- wxEvtHandler *handlerPrev = NULL,
- *handlerCur = GetEventHandler();
- while ( handlerCur )
+ // NOTE: the wxWindow event handler list is always terminated with "this" handler
+ wxEvtHandler *handlerCur = GetEventHandler()->GetNextHandler();
+ while ( handlerCur != this )
{
wxEvtHandler *handlerNext = handlerCur->GetNextHandler();
- if ( handlerCur == handler )
+ if ( handlerCur == handlerToRemove )
{
- if ( handlerPrev )
- {
- handlerPrev->SetNextHandler(handlerNext);
- }
- else
- {
- SetEventHandler(handlerNext);
- }
+ handlerCur->Unlink();
- if ( handlerNext )
- {
- handlerNext->SetPreviousHandler ( handlerPrev );
- }
- handler->SetNextHandler(NULL);
-
- return TRUE;
+ 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( _T("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
+// ----------------------------------------------------------------------------
+
+void wxWindowBase::InheritAttributes()
+{
+ const wxWindowBase * const parent = GetParent();
+ if ( !parent )
+ return;
+
+ // we only inherit attributes which had been explicitly set for the parent
+ // which ensures that this only happens if the user really wants it and
+ // not by default which wouldn't make any sense in modern GUIs where the
+ // controls don't all use the same fonts (nor colours)
+ if ( parent->m_inheritFont && !m_hasFont )
+ SetFont(parent->GetFont());
+
+ // in addition, there is a possibility to explicitly forbid inheriting
+ // colours at each class level by overriding ShouldInheritColours()
+ if ( ShouldInheritColours() )
+ {
+ if ( parent->m_inheritFgCol && !m_hasFgCol )
+ SetForegroundColour(parent->GetForegroundColour());
+
+ // inheriting (solid) background colour is wrong as it totally breaks
+ // any kind of themed backgrounds
+ //
+ // instead, the controls should use the same background as their parent
+ // (ideally by not drawing it at all)
+#if 0
+ if ( parent->m_inheritBgCol && !m_hasBgCol )
+ SetBackgroundColour(parent->GetBackgroundColour());
+#endif // 0
+ }
+}
+
+/* static */ wxVisualAttributes
+wxWindowBase::GetClassDefaultAttributes(wxWindowVariant WXUNUSED(variant))
+{
+ // it is important to return valid values for all attributes from here,
+ // GetXXX() below rely on this
+ wxVisualAttributes attrs;
+ attrs.font = wxSystemSettings::GetFont(wxSYS_DEFAULT_GUI_FONT);
+ attrs.colFg = wxSystemSettings::GetColour(wxSYS_COLOUR_WINDOWTEXT);
+
+ // On Smartphone/PocketPC, wxSYS_COLOUR_WINDOW is a better reflection of
+ // the usual background colour than wxSYS_COLOUR_BTNFACE.
+ // It's a pity that wxSYS_COLOUR_WINDOW isn't always a suitable background
+ // colour on other platforms.
+
+#if defined(__WXWINCE__) && (defined(__SMARTPHONE__) || defined(__POCKETPC__))
+ attrs.colBg = wxSystemSettings::GetColour(wxSYS_COLOUR_WINDOW);
+#else
+ attrs.colBg = wxSystemSettings::GetColour(wxSYS_COLOUR_BTNFACE);
+#endif
+ return attrs;
+}
+
+wxColour wxWindowBase::GetBackgroundColour() const
+{
+ if ( !m_backgroundColour.IsOk() )
+ {
+ 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() )
+ {
+ wxColour colFg = GetDefaultAttributes().colFg;
- return FALSE;
-}
+ if ( !colFg.IsOk() )
+ colFg = GetClassDefaultAttributes().colFg;
-// ----------------------------------------------------------------------------
-// cursors, fonts &c
-// ----------------------------------------------------------------------------
+ return colFg;
+ }
+ else
+ return m_foregroundColour;
+}
bool wxWindowBase::SetBackgroundColour( const wxColour &colour )
{
- if ( !colour.Ok() || (colour == m_backgroundColour) )
- return FALSE;
-
- m_backgroundColour = colour;
+ if ( colour == m_backgroundColour )
+ return false;
- m_hasBgCol = TRUE;
+ m_hasBgCol = colour.IsOk();
+ if ( m_backgroundStyle != wxBG_STYLE_CUSTOM )
+ m_backgroundStyle = m_hasBgCol ? wxBG_STYLE_COLOUR : wxBG_STYLE_SYSTEM;
- return TRUE;
+ m_inheritBgCol = m_hasBgCol;
+ m_backgroundColour = colour;
+ SetThemeEnabled( !m_hasBgCol && !m_foregroundColour.Ok() );
+ return true;
}
bool wxWindowBase::SetForegroundColour( const wxColour &colour )
{
- if ( !colour.Ok() || (colour == m_foregroundColour) )
- return FALSE;
+ if (colour == m_foregroundColour )
+ return false;
+ m_hasFgCol = colour.IsOk();
+ m_inheritFgCol = m_hasFgCol;
m_foregroundColour = colour;
-
- m_hasFgCol = TRUE;
-
- return TRUE;
+ SetThemeEnabled( !m_hasFgCol && !m_backgroundColour.Ok() );
+ return true;
}
bool wxWindowBase::SetCursor(const wxCursor& cursor)
{
// setting an invalid cursor is ok, it means that we don't have any special
// cursor
- if ( m_cursor == cursor )
+ if ( m_cursor.IsSameAs(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.IsOk() )
+ {
+ wxASSERT_MSG( !m_hasFont, _T("we have invalid explicit font?") );
+
+ wxFont font = GetDefaultAttributes().font;
+ if ( !font.IsOk() )
+ font = GetClassDefaultAttributes().font;
+
+ return font;
+ }
+ else
+ return m_font;
+}
- 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.IsOk();
+ 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;
}
// 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__
// 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;
+ wxWindowBase *res = NULL;
wxWindowList::compatibility_iterator node;
for ( node = m_children.GetFirst(); node && !res; node = node->GetNext() )
{
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;
+ wxWindowBase *res = NULL;
wxWindowList::compatibility_iterator node;
for ( node = m_children.GetFirst(); node && !res; node = node->GetNext() )
{
wxWindow *
wxWindowBase::FindWindowById( long id, const wxWindow* parent )
{
- return wxFindWindowHelper(parent, _T(""), id, wxFindWindowCmpIds);
+ return wxFindWindowHelper(parent, wxEmptyString, id, wxFindWindowCmpIds);
}
// ----------------------------------------------------------------------------
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()
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()
// 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()
}
}
+#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
}
// 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
}
delete m_constraintsInvolvedIn;
- m_constraintsInvolvedIn = (wxWindowList *) NULL;
+ m_constraintsInvolvedIn = NULL;
}
}
void wxWindowBase::SetSizer(wxSizer *sizer, bool deleteOld)
{
- if ( deleteOld )
- 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( sizer != NULL );
+ SetAutoLayout(m_windowSizer != NULL);
}
void wxWindowBase::SetSizerAndFit(wxSizer *sizer, bool 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()
// If there is a sizer, use it instead of the constraints
if ( GetSizer() )
{
- int w, h;
+ int w = 0, h = 0;
GetVirtualSize(&w, &h);
GetSizer()->SetDimension( 0, 0, w, h );
}
}
#endif
- return TRUE;
+ return true;
}
#if wxUSE_CONSTRAINTS
// Layout grand children
DoPhase(2);
- return TRUE;
+ return true;
}
// Do a phase of evaluating child constraints
}
}
- 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::compatibility_iterator node = GetChildren().GetFirst();
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);
}
}
}
}
// ----------------------------------------------------------------------------
-// do Update UI processing for child controls
+// Update UI processing
// ----------------------------------------------------------------------------
void wxWindowBase::UpdateWindowUI(long flags)
{
wxUpdateUIEvent event(GetId());
- event.m_eventObject = this;
+ event.SetEventObject(this);
if ( GetEventHandler()->ProcessEvent(event) )
{
}
// do the window-specific processing after processing the update event
-// TODO: take specific knowledge out of this function and
-// put in each control's base class. Unfortunately we don't
-// yet have base implementation files for wxCheckBox and wxRadioButton.
void wxWindowBase::DoUpdateWindowUI(wxUpdateUIEvent& event)
{
if ( event.GetSetEnabled() )
Enable(event.GetEnabled());
-
-#if wxUSE_CONTROLS
- if ( event.GetSetText() )
- {
- wxControl *control = wxDynamicCastThis(wxControl);
- if ( control )
- {
- if ( event.GetText() != control->GetLabel() )
- control->SetLabel(event.GetText());
- }
-#if wxUSE_CHECKBOX
- wxCheckBox *checkbox = wxDynamicCastThis(wxCheckBox);
- if ( checkbox )
- {
- if ( event.GetSetChecked() )
- checkbox->SetValue(event.GetChecked());
- }
-#endif // wxUSE_CHECKBOX
-
-#if wxUSE_RADIOBTN
- wxRadioButton *radiobtn = wxDynamicCastThis(wxRadioButton);
- if ( radiobtn )
- {
- if ( event.GetSetChecked() )
- radiobtn->SetValue(event.GetChecked());
- }
-#endif // wxUSE_RADIOBTN
- }
-#endif
-}
-
-#if 0
-// call internal idle recursively
-// may be obsolete (wait until OnIdle scheme stabilises)
-void wxWindowBase::ProcessInternalIdle()
-{
- OnInternalIdle();
- wxWindowList::compatibility_iterator node = GetChildren().GetFirst();
- while (node)
- {
- wxWindow *child = node->GetData();
- child->ProcessInternalIdle();
- node = node->GetNext();
- }
+ if ( event.GetSetShown() )
+ Show(event.GetShown());
}
-#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;
}
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,
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 )
+// ----------------------------------------------------------------------------
+// menu-related functions
+// ----------------------------------------------------------------------------
+
+#if wxUSE_MENUS
+
+bool wxWindowBase::PopupMenu(wxMenu *menu, int x, int y)
{
-#if wxUSE_MSGDLG
- if ( event.ControlDown() && event.AltDown() )
+ wxCHECK_MSG( menu, false, "can't popup NULL menu" );
+
+ wxCurrentPopupMenu = menu;
+ const bool rc = DoPopupMenu(menu, x, y);
+ wxCurrentPopupMenu = NULL;
+
+ return rc;
+}
+
+// this is used to pass the id of the selected item from the menu event handler
+// to the main function itself
+//
+// it's ok to use a global here as there can be at most one popup menu shown at
+// any time
+static int gs_popupMenuSelection = wxID_NONE;
+
+void wxWindowBase::InternalOnPopupMenu(wxCommandEvent& event)
+{
+ // store the id in a global variable where we'll retrieve it from later
+ gs_popupMenuSelection = event.GetId();
+}
+
+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
+#ifdef __WXDEBUG__
+
+static void DrawSizers(wxWindowBase *win);
+
+static void DrawBorder(wxWindowBase *win, const wxRect& rect, bool fill, const wxPen* pen)
+{
+ wxClientDC dc((wxWindow *)win);
+ dc.SetPen(*pen);
+ dc.SetBrush(fill ? wxBrush(pen->GetColour(), wxBRUSHSTYLE_CROSSDIAG_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 )
{
- // don't translate these strings
- wxString port;
+ wxSizerItem *item = *i;
+ if ( item->IsSizer() )
+ {
+ DrawBorder(win, item->GetRect().Deflate(2), false, wxRED_PEN);
+ DrawSizer(win, item->GetSizer());
+ }
+ else if ( item->IsSpacer() )
+ {
+ DrawBorder(win, item->GetRect().Deflate(2), true, wxBLUE_PEN);
+ }
+ else if ( item->IsWindow() )
+ {
+ DrawSizers(item->GetWindow());
+ }
+ else
+ wxFAIL_MSG("inconsistent wxSizerItem status!");
+ }
+}
-#ifdef __WXUNIVERSAL__
- port = _T("Univ/");
-#endif // __WXUNIVERSAL__
+static void DrawSizers(wxWindowBase *win)
+{
+ DrawBorder(win, win->GetClientSize(), false, wxGREEN_PEN);
- switch ( wxGetOsVersion() )
+ wxSizer *sizer = win->GetSizer();
+ if ( sizer )
+ {
+ 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 )
{
- 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(*i);
}
- wxMessageBox(wxString::Format(
- _T(
- " wxWindows Library (%s port)\nVersion %u.%u.%u%s, compiled at %s %s\n Copyright (c) 1995-2002 wxWindows team"
- ),
- port.c_str(),
- wxMAJOR_VERSION,
- wxMINOR_VERSION,
- wxRELEASE_NUMBER,
-#if wxUSE_UNICODE
- L" (Unicode)",
-#else
- "",
-#endif
- __TDATE__,
- __TTIME__
- ),
- _T("wxWindows information"),
- wxICON_INFORMATION | wxOK,
- (wxWindow *)this);
+ // 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__
+
+// 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() )
+ {
+ DrawSizers(this);
+ return;
+ }
+#endif // __WXDEBUG__
+ ::wxInfoMessageBox((wxWindow*)this);
}
else
-#endif // wxUSE_MSGDLG
{
event.Skip();
}
#endif
-#if !wxUSE_STL
// ----------------------------------------------------------------------------
// list classes implementation
// ----------------------------------------------------------------------------
+#if wxUSE_STL
+
+#include "wx/listimpl.cpp"
+WX_DEFINE_LIST(wxWindowList)
+
+#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(_T("mousecapture"), _T("CaptureMouse(%p)"), static_cast<void*>(this));
+
+ wxASSERT_MSG( !ms_winCaptureChanging, _T("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(_T("mousecapture"), _T("ReleaseMouse(%p)"), 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,
+ "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" );
+
+ 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
+ ms_winCaptureChanging = false;
+
wxLogTrace(_T("mousecapture"),
- _T("After ReleaseMouse() mouse is captured by %p"),
- GetCapture());
+ (const wxChar *) _T("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( _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
#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->ProcessEventHere(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 propgation count hasn't
+ // carry on up the parent-child hierarchy if the propagation count hasn't
// reached zero yet
if ( event.ShouldPropagate() )
{
}
}
- return wxEvtHandler::TryParent(event);
+ return wxEvtHandler::TryAfter(event);
+}
+
+// ----------------------------------------------------------------------------
+// window relationships
+// ----------------------------------------------------------------------------
+
+wxWindow *wxWindowBase::DoGetSibling(WindowOrder order) const
+{
+ wxCHECK_MSG( GetParent(), NULL,
+ _T("GetPrev/NextSibling() don't work for TLWs!") );
+
+ wxWindowList& siblings = GetParent()->GetChildren();
+ wxWindowList::compatibility_iterator i = siblings.Find((wxWindow *)this);
+ wxCHECK_MSG( i, NULL, _T("window not a child of its parent?") );
+
+ if ( order == OrderBefore )
+ i = i->GetPrevious();
+ else // OrderAfter
+ i = i->GetNext();
+
+ return i ? i->GetData() : NULL;
+}
+
+// ----------------------------------------------------------------------------
+// keyboard navigation
+// ----------------------------------------------------------------------------
+
+// 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);
+ 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, WindowOrder move)
+{
+ // check that we're not a top level window
+ wxCHECK_RET( GetParent(),
+ _T("MoveBefore/AfterInTabOrder() don't work for TLWs!") );
+
+ // detect the special case when we have nothing to do anyhow and when the
+ // code below wouldn't work
+ if ( win == this )
+ return;
+
+ // find the target window in the siblings list
+ wxWindowList& siblings = GetParent()->GetChildren();
+ wxWindowList::compatibility_iterator i = siblings.Find(win);
+ wxCHECK_RET( i, _T("MoveBefore/AfterInTabOrder(): win is not a sibling") );
+
+ // unfortunately, when wxUSE_STL == 1 DetachNode() is not implemented so we
+ // can't just move the node around
+ wxWindow *self = (wxWindow *)this;
+ siblings.DeleteObject(self);
+ if ( move == OrderAfter )
+ {
+ i = i->GetNext();
+ }
+
+ if ( i )
+ {
+ siblings.Insert(i, self);
+ }
+ else // OrderAfter and win was the last sibling
+ {
+ siblings.Append(self);
+ }
+}
+
+// ----------------------------------------------------------------------------
+// focus handling
+// ----------------------------------------------------------------------------
+
+/*static*/ wxWindow* wxWindowBase::FindFocus()
+{
+ wxWindowBase *win = DoFindFocus();
+ 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
// ----------------------------------------------------------------------------
wxString title;
- // If a child, leave wxWindows to call the function on the actual
+ // 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 wxWindows
+ // 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.IsEmpty())
+
+ if (!title.empty())
{
*name = title;
return wxACC_OK;
if (!GetWindow())
return wxACC_FAIL;
- wxString ht(GetWindow()->GetHelpText());
- if (!ht.IsEmpty())
+ wxString ht(GetWindow()->GetHelpTextAtPoint(wxDefaultPosition, wxHelpEvent::Origin_Keyboard));
+ if (!ht.empty())
{
*description = ht;
return wxACC_OK;
if (!GetWindow())
return wxACC_FAIL;
- wxString ht(GetWindow()->GetHelpText());
- if (!ht.IsEmpty())
+ wxString ht(GetWindow()->GetHelpTextAtPoint(wxDefaultPosition, wxHelpEvent::Origin_Keyboard));
+ if (!ht.empty())
{
*helpText = ht;
return wxACC_OK;
if (!GetWindow())
return wxACC_FAIL;
- // If a child, leave wxWindows to call the function on the actual
+ // If a child, leave wxWidgets to call the function on the actual
// child object.
if (childId > 0)
return wxACC_NOT_IMPLEMENTED;
if (!GetWindow())
return wxACC_FAIL;
- // If a child, leave wxWindows to call the function on the actual
+ // If a child, leave wxWidgets to call the function on the actual
// child object.
if (childId > 0)
return wxACC_NOT_IMPLEMENTED;
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 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")
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