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[wxWidgets.git] / docs / changes.txt

---------------------------------------------------------------
wxWidgets Change Log - For more verbose changes, see the manual
---------------------------------------------------------------

INCOMPATIBLE CHANGES SINCE 2.6.x
================================

Changes in behaviour not resulting in compilation errors, please read this!
---------------------------------------------------------------------------

- For all wxInputStreams, Eof() becomes true after an attempt has been made
  to read _past_ the end of file.
- wxFileName::DirExists() checks if the path of the file is a directory, not
  if the whole name is a directory.
- wxDialog::CreateButtonSizer() may return NULL now, please see the manual.
- wxStaticBoxSizer now deletes the associated wxStaticBox when it is deleted.
- wxArray::Alloc() now works as reserve() and does not clear the array any more
- Windows calling CaptureMouse() are now required to handle the
  wxEVT_MOUSE_CAPTURE_LOST event and not call ReleaseMouse() in this case.
- wxInputStream::GetC() now returns an int in the range 0 - 255 on success
  instead of a char the range -128 - 127.


Changes in behaviour which may result in compilation errors
-----------------------------------------------------------

- Some classes (notably wxBitmap and wxImage) don't define operator==() as it
  used to work in somewhat unexpected way as it compared only internal pointers
  and not the object data. The code using it will have to be updated:
  * If the object was compared with wxNullXXX, use IsOk() method instead
  * If valid object need to be compared, use IsSameAs() to reproduce the old
    behaviour or change the code to avoid comparing bitmaps &c.
- wxFontData::GetColour() now returns a const colour.
- wxDC objects can't be created directly now (this never worked, now it doesn't
  even compile).
- wxCHECK family of macros now must be followed by a semicolon.
- wxMBConv::cMB2WC() and cWC2MB() take size of the input buffer and return
  length of the converted string in all cases now.
- wxHtmlWindow::OnCellClicked() now returns bool.
- wxHtmlCell::OnMouseClick() was deprecated and replaced with
  wxHtmlCell::ProcessMouseClick(); old code overriding OnMouseClick() will
  continue to work with WXWIN_COMPATIBILITY_2_6, but should be rewritten to
  use ProcessMouseClick().
- wxHtmlCell::GetCursor() was deprecated and replaced with
  wxHtmlCell::GetMouseCursor(); old code overriding GetCursor() will
  continue to work with WXWIN_COMPATIBILITY_2_6, but should be rewritten to
  use GetMouseCursor().
- wxHtmlCell::AdjustPagebreak() signature has changed, update your code if you
  override it.
- wxFontEnumerator::GetFacenames() and GetEncodings() now return arrays and
  not pointers to arrays.
- SetDefaultItem() method was moved from wxPanel to wxTopLevelWindow
- wxDialog::OnOK/OnCancel() don't exist any more, use SetAffirmative/EscapeId()
- wxPathList doesn't derive from (deprecated) wxStringList any more
- wxGLContext class has no 1:1 coupling to a wxGLCanvas class any more.
  As a consequence, the class interface changed largely. Code updates, if
  any are required at all, are easy to accomplish though.


Deprecated methods since 2.6.x and their replacements
-----------------------------------------------------

- wxGetWorkingDirectory() deprecated in favour of wxGetCwd().
- wxDC::BeginDrawing() and wxDC::EndDrawing() deprecated, don't use them.
- wxWindowBase::GetBestFittingSize --> wxWindowBase::GetEffectiveMinSize.
- wxWindowBase::SetBestFittingSize --> wxWindowBase::SetInitialSize.
- Seeking on a zip stream returned from wxFileSystem without using the new
  wxFS_SEEKABLE flags is deprecated. You can still seek, but use the flag.
- Constructor wxZipInputStream(const wxString& archive, const wxString& file)
  deprecated in favour of wxFileSystem (other zip ctors are not deprecated).
 


Major new features in 2.8 release
---------------------------------

- New AUI library supporting docking windows and much more.
- New rich text control library implementing a generic wxRichTextCtrl,
  using only the wxWidgets API. Also includes formatting dialogs, conversion
  to HTML, and printing classes.
- New wxComboCtrl class giving the ability to create custom, graphical
  comboboxes. Associated classes include wxOwnerDrawnComboBox, wxComboPopup
  and wxBitmapComboBox.
- Further functionality including wxAnimationCtrl (moved from contrib/src/anim
  and enhanced), wxSimpleHtmlListBox, wxHyperlinkCtrl, wxColourPickerCtrl,
  wxDirPickerCtrl, wxFilePickerCtrl, wxFontPickerCtrl, wxCollapsiblePane,
  wxAboutBox, wxTreebook, tar streams.


2.8.0
-----

All:

- wxArrayString::Alloc() now works as reserve() and doesn't clear array contents
- Fixed long standing bug in wxFileConfig groups renaming (Antti Koivisto).
- New option wxFS_READ | wxFS_SEEKABLE for wxFileSystem::OpenFile() to return
  a stream that is seekable.
- Fixed bug in wxCalendarCtrl::HitTest() when clicking on month change arrows
- Added wxWindow::GetWindowBorderSize() and corrected wxTreeCtrl::GetBestSize()
  for a control with borders (Tim Kosse)

wxMSW:

- Fixed version script problems when using configure with cygwin/mingw32.
- Use system default paper size for printing instead of A4.
- Fix colours when converting wxBitmap with alpha to wxImage (nusi).


2.7.2
-----

All:

- Added wxFFile overload to wxFileName::CreateTemporaryFileName().
- Added GetTempDir() to wxFileName and wxStandardPaths.
- Added wxTar streams.
- Added wxFilterFSHandler and wxArchiveFSHandler.
- Added wxString::ToLongLong() and ToULongLong().

All (GUI): 

- wxMemoryDC constructor now optionally accepts a wxBitmap parameter,
  calling SelectObject itself if a valid bitmap is passed.
- Reverted wxBuffered[Paint]DC to pre 2.7.1 state, added
  wxAutoBufferedPaintDC and wxAutoBufferedPaintDCFactory.
- Renamed wxProgressDialog::UpdatePulse() to just Pulse().
- Added wxCollapsiblePane (Francesco Montorsi).
- Added wxSimpleHtmlListBox (Francesco Montorsi).
- Printing framework fixes by Robert J. Lang. Bugs fixed,
  wxPrinterDC::GetPaperRect() and other functions added to allow
  easier printing implementation, and the documentation updated.
- Many enhancements to wxRichTextCtrl including URL support,
  formatting and symbol dialogs, print/preview, and better list
  formatting.
- Support for loading TGA files added (Seth Jackson).
- Added wxTB_RIGHT style for right-aligned toolbars (Igor Korot).
- wxHtmlWindow now generates events on link clicks (Francesco Montorsi).
- wxHtmlWindow now also generates wxEVT_COMMAND_TEXT_COPY event.

Unix Ports:

- Added autopackage for wxGTK and an example of using autopackage for a wx
  program (Francesco Montorsi).

wxGTK:

- More RTL work.
- Support wxALWAYS_SHOW_SB.
- Speed up MIME types loading. Only the GNOME database should be loaded under
  GNOME etc. For this, the code queries the X11 session protocol.
- wxCaret redraw problem during scrolling fixed.


2.7.1
-----

All:

- Added wxDir::FindFirst() (Francesco Montorsi).
- Added wxPlatformInfo class (Francesco Montorsi).
- Added wxLocale::IsAvailable() (Creighton).
- Added Malay translations (Mahrazi Mohd Kamal).
- Added reference counting for wxVariant.
- For consistency, all classes having Ok() method now also have IsOk() one, use
  of the latter form is preferred although the former hasn't been deprecated yet.
- Added wxFileName::Is(Dir|File)(Writ|Read|Execut)able() (Francesco Montorsi).
- Added wxFileName::GetSize() and GetHumanReadableSize() (Francesco Montorsi).
- Added wxSizer::Replace (Francesco Montorsi).
- wxXmlDocument can now optionally preserve whitespace (Francesco Montorsi).
- Added wxBookCtrl::ChangeSelection() and wxTextCtrl::ChangeValue() to provide
  event-free alternatives to SetSelection() and SetValue() functions; see the
  "Events generated by the user vs programmatically generated events" paragraph
  in the "Event handling overview" topic for more info.

All (GUI):

- Support for right-to-left text layout (started by Diaa Sami during Google Summer of
  Code, with a lot of help from Tim Kosse and others).
- wxAnimationCtrl added (Francesco Montorsi).
- Added wxAboutBox() function for displaying the standard about dialog.
- Added wxID_PAGE_SETUP standard id.
- Added wxSize::IncBy() and DecBy() methods.
- Added wxTextCtrl::IsEmpty().
- Added file type parameter to wxTextCtrl::LoadFile, wxTextCtrl::SaveFile for
  consistency with wxRichTextCtrl.
- wxRichTextCtrl: fixed range out-by-one bug to be consistent with wxTextCtrl API,
  fixed some attribute bugs and added wxRichTextStyleComboCtrl.
- Added wxWindow::IsDoubleBuffered().
- Added wxHL_ALIGN_* flags to wxHyperlinkCtrl (Francesco Montorsi).
- Added wxGauge::Pulse() and wxProgressDialog::UpdatePulse() (Francesco Montorsi).

wxMSW:

- Implemented wxComboBox::SetEditable().
- wxSemaphore::Post() returns wxSEMA_OVERFLOW as documented (Christian Walther)
- Fixed a bug whereby static controls didn't use the correct text colour if the
  parent's background colour had been set (most noticeable when switching to a
  high-contrast theme).
- Respect wxBU_EXACTFIT style in wxToggleButton (Alexander Borovsky).

wxMac:

- Add parameter to the --enable-universal_binary configure option for the path
  to the SDK.

wxGTK:

- Automatically use stock items for menu items with standard ids.
- Setting cursor now works for all controls.
- Implemented right-to-left support.
- Implemented left indentation and tab stops support in wxTextCtrl (Tim Kosse).
- Fixed wxHTML rendering of underlined text of multiple words (Mart Raudsepp).

wxUniv:

- Added wxTLW::UseNativeDecorations() and UseNativeDecorationsByDefault().


2.7.0
-----

All:

- Added positional parameters support to wxVsnprintf() (Francesco Montorsi).
- wx(F)File, wxTextFile and wxInputStreams recognize Unicode BOM now.
- Many fixes for UTF-16/32 handling in Unicode builds.
- wxLaunchDefaultBrowser() now supports wxBROWSER_NEW_WINDOW flag.
- Added wxStandardPaths::GetResourcesDir() and GetLocalizedResourcesDir()
- Added wxStandardPaths::GetDocumentsDir() (Ken Thomases).
- Added wxStringTokenizer::GetLastDelimiter(); improved documentation.
- Fixed wxTextFile in Unicode build.
- Added possibility to specify dependencies for a wxModule.
- Speed improvements to wxRegEx when matching is done in a loop such as
  during a search and replace.
- Fix regerror and regfree name conficts when built-in regex and system regex
  are both used in the same program.
- Basic authentication supported added to wxHTTP.
- wxCondition::WaitTimeout() now returns correct value when timeout occurs.
- Fixed occasional wxThread cleanup crash.
- Bug in wxLogStream::DoLogString in Unicode builds fixed.
- Added support for memo fields to wxODBC.
- Fixed Unicode builds using SunPro compiler by defining__WCHAR_TYPE__.
- wxFileName now also looks for TMPDIR on Unix.
- Fixed build error in list.h with VC++ 2005.
- Fixed wxODBC buffer overflow problem in Unicode builds.
- Fixed wxSocketBase::InterruptWait on wxBase.
- Important code cleanup (Paul Cornett).
- Added support for wxLongLong in wx stream classes (Mark Junker).
- wxSOCKET_REUSEADDR can be used with wxSocketClient.
- Overloaded Connect() and SetLocal() methods for binding to local address/port.
- Albanian translation added (Besnik Bleta).
- Assert messages now show the function in which assert failed.
- wxApp::OnAssertFailure() should now be used instead the old wxApp::OnAssert().
- Fixed several bugs in wxDateTime::ParseDate().
- The WXK*PRIOR and WXK*NEXT constants are now aliases for WXK*PAGEUP
  and WXK*PAGEDOWN.  If you have switch statements that use both
  constants from a set then you need to remove the PRIOR/NEXT
  versions in order to eliminate compiler errors.
- Fixed bug where wxDateTime::Now() would sometimes return an incorrect value
  the first time it was called.
- Added wxString::rbegin() and rend().
- Added wxString::EndsWith().
- wxSocket::_Read continues reading from socket after exhausting pushback buffer.
  Previously, only the buffer would be returned, even if more data was requested.
- Added wxPowerEvent (currently MSW-only).
- Make wx-config compatible with Bourne shells.
- Fixed wxDb::Open(wxDbConnectInf) when using connection string (Hellwolf Misty).
- Fixed crash in wxDb::Open() in Unicode build (Massimiliano Marretta).
- Fixed wxTimeSpan::Format() for negative time spans.
- Optionally count repeating wxLog messages instead of logging all (Lauri Nurmi).

All (GUI):

- New AUI (Advanced User Interface) library for docking windows and much more.
- Added wxComboCtrl and wxOwnerDrawnComboBox (Jaakko Salli).
- Added wxTreebook (uses a wxTreeCtrl to control pages).
- Added wxColour/Dir/File/Font/PickerCtrls (Francesco Montorsi).
- Added wxDC::GradientFillLinear/Concentric().
- Added wxHyperlinkCtrl (Francesco Montorsi).
- Added clipboard events (wxEVT_COMMAND_TEXT_COPY/CUT/PASTE).
- Allow to reorder wxGrid columns by drag-and-drop (Santiago Palacios).
- Added wxRadioBox::SetItemToolTip().
- Added support for CMYK JPEG images loading (Robert Wruck).
- Added wxListCtrl::GetSubItemRect() and subitem hit testing (Agron Selimaj).
- Added wxKeyEvent::GetModifiers().
- Added wxDialog::SetEscapeId().
- wxItemContainerImmutable::FindString unified (affects wxRadioBox, wxListBox,
  wxComboBox and wxChoice).
- wxWindow::Fit() now works correctly for frames and dialogs too.
- Added access to the border size between pages and controller in book
  based controls (wxBookCtrlBase::Get/SetInternalBorder).
- Added initial wxRichTextCtrl implementation.
- All book based controls (notebook, treebook etc.) share now the same
  options for orientation (wxBK_TOP, wxBK_DEFAULT, ...) instead of duplicated
  wxLB_TOP, wxNB_TOP, wxCHB_TOP, wxTBK_TOP.
- Added parent window parameter to wxHelpController constructor
  and added SetParentWindow/GetParentWindow.
- wxMultiChoiceDialog uses now wxCheckListBox if possible, wxListBox if not.
- Added wxBitmapButton::SetHoverBitmap().
- Access to titles through Get/SetTitle is available now only for top level
  windows (wxDialog, wxFrame).
- Fixed memory leak of pending events in wxEvtHandler.
- Added wxRadioBox::IsItemEnabled/Shown().
- Added space after list item number in wxHTML.
- Implemented <sub> and <sup> handling in wxHTML (based on patch
  by Sandro Sigala).
- Added caption parameter to wxGetFontFromUser and wxGetColourFromUser.
- Added wxGetMouseState function.
- Added wxHtmlHelpWindow, wxHtmlHelpDialog and wxHtmlModalHelp classes,
  allowing HTML help to be embedded in an application.
- wxCalendarCtrl positioning and hit-testing fixes for dimensions other than
  best size.
- wxCalendarCtrl colour schema changed and adjusted to system settings.
- wxImage::Mirror() and GetSubBitmap() now support alpha (Mickey Rose).
- More checking of image validity before loading into wxImage.
- Added wxImage::ConvertToGreyscale.
- Added ability to use templates with static event tables
  with BEGIN_EVENT_TABLE_TEMPLATEn() macros.
- Added play, pause, and state change events to wxMediaCtrl.
- Added double-buffering to wxVListBox and fixed a scrolling issue.
- Added wxToolbook (uses a wxToolBar to control pages).
- Added SetSheetStyle to wxPropertySheetDialog and allowed it to
  behave like a Mac OS X settings dialog.
- Added <disabled> XRC tag for wxToolBar elements and <bg> for wxToolBar itself.
- Fixed centering of top level windows on secondary displays.
- Implemented wxDisplay::GetFromWindow() for platforms other than MSW.
- UpdateUI handler can now show/hide the window too (Ronald Weiss).
- More than one filter allowed in in wxDocTemplate filter.
- Added wxListBox::HitTest().
- Added wxDisplay::GetClientArea().
- Indices and counts in wxControlWithItems derived API are unsigned.
- Added support for links to wxHtmlListBox; use code has to override
  wxHtmlListBox::OnLinkClicked() to take advantage of it.
- Added an easier to use wxMenu::AppendSubMenu().
- wxString <-> wxColour conversions in wxColour class (Francesco Montorsi).
- Fixed bug with ignoring blank lines in multiline wxGrid cell labels.
- Added wxTextAttr::Merge() (Marcin Simonides).
- Added wxTB_NO_TOOLTIPS style (Igor Korot).
- Added wxGenericDirCtrl::CollapsePath() (Christian Buhtz).
- Added wxTreeCtrl::ExpandAllChildren() (Christian Buhtz)
- Fixed 64-bit issue in wxNotebook causing segfaults on Tru64 Unix.
- Made it possible to associate context help to a region of a window.
- Added support for tabs in wxRichTextCtrl (Ashish More).
- Fixed problem with zoom setting in print preview.
- Moved wxRichTextCtrl from the advanced library to its own.
- wxNB_HITTEST_* flags renamed to wxBK_HITTEST_* to serve all book controls.
- Added wxTopLevelWindow::SetTransparent and CanSetTransparent, with
  implementations (so far) for wxMSW and wxMac.