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[wxWidgets.git] / docs / changes.txt

wxWindows 2 Change Log
----------------------

2.4.0
-----

wxBase:

- wxMimeTypesManager now can create file associations too

2.3.0
-----

wxMSW:

- threads: bug in wxCondition::Broadcast fixed (Pieter van der Meulen)

2.2.0
-----

wxBase:

- Fixed bug with directories with trailing (back)slashes in wxPathExists
- wxString: added wxArrayString::operator==() and !=()
- Fixes for wxCmdLineParser
- Added wxGetLocalTimeMillis
- Completed Czech translations
- Some stream corrections
- added missing consts to wxPoint operators
- wxDateTime ParseFormat fixes
- wxFile::Open(write_append) will create file if it doesn't exist
- small fixes to MIME mailcap test command handling, more MIME tests in the sample

All (GUI):

- wxGenericDragImage now allows virtual image drawing, and
  flicker-free dragging is now possible
- Added wxPrinter::GetLastError
- Fixed wxLogGui reentrancy problem
- Paper names now translated
- wxGrid fixes
- Generic validator now caters for more cases (integers in
  wxTextCtrl, strings in wxChoice, wxComboBox)
- Fixed crash when docview On... functions return FALSE. Show
  error message when an non-existent filename is typed into the Open
  File dialog.
- Corrected Baltic font encoding handling
- wxImage: enhanced TIFF code, added new platform-independent BMP
  writing code
- wxKeyEvent::GetKeyCode() and HasModifiers() added and documented
- Fixed wxPropertyForm crashes in sample
- wxWizard now calls TransferDataFromWindow() before calling
  wxWizardPage::GetNext() fixing an obvious bug

wxMSW:

- wxWindow::GetCharWidth/Height now calculated accurately.
  This will affect all .wxr dialog resources, so for
  backward compatibility, please set
  wxDIALOG_UNIT_COMPATIBILITY to 1 in setup.h
- wxListCtrl: set item text in LIST_ITEM_ACTIVATED events
- wxTextCtrl: implemented setting colours for rich edit controls
- wxColour now accepts both grey and gray
- BC++ DLL compilation fixed
- Watcom C++ makefiles improved for JPEG and TIFF compilation
- Fixed submenu accelerator bug
- Fixed dialog focus bug (crash if the previous window to have
  the focus was destroyed before the dialog closed)
- Too-small default wxTextCtrl height fixed
- fixed "missing" initial resize of wxMDIChildFrame
- wxFrame restores focus better
- Now ignore wxTHICK_FRAME in wxWindow constructor: only relevant to
  frames anddialogs, interferes with other window styles otherwise
  (sometimes you'd get a thick frame in a subwindow)
- wxTextCtrl insertion point set to the beginning of the control by SetValue
- Fix so wxMDIParentFrame is actually shown when Show(TRUE) is called.
- wxFileDialog: adjusts struct size if there's an error (struct
  sizes can be different on different versions of Windows)
- wxImageList::GetSize() documented and added to wxMSW
- fixed default dialog style to make them non resizeable again
- fixed wxFrame::IsShown() which always returned TRUE before

wxGTK:

- Please see docs/gtk/changes.txt.

wxMotif:

- Small compilation fixes

Documentation:

- wxCaret documented

2.1.16
------

wxBase:

All (GUI):

wxMSW:

- Various bug fixes
- Added wxCHMHelpController, for invoking MS HTML Help
  files. This works under VC++ only
- Modal dialog handling improved
- Printer dialog now modal

wxGTK:

- Various bug fixes

wxMotif:

- Various bug fixes

2.1.15
------

Documentation:

- Added docs/tech for technical notes

File hierarchy:

- Started new contrib hierarchy that mirrors
  the main lib structure; moved OGL and MMedia into it

wxBase:

- wxSocket support
- wxDateTime replaces and extends old wxDate and wxTime classes (still
  available but strongly deprecated) with many new features
- wxLongLong class provides support for (signed) 64 bit integers
- wxCmdLineParser class for parsing the command line (supporting short and
  long options, switches and parameters of different types)
- it is now possible to build wxBase under Win32 (using VC++ only so far)
  and BeOS (without thread support yet)
- wxThread class modified to support both detached and joinable threads, also
  added new GetCPUCount() and SetConcurrency() functions (useful under Solaris
  only so far)
- wxDir class for enumerating files in a directory
- wxLog functions are now (more) MT-safe
- wxStopWatch class, timer functions have more chances to return correct
  results for your platform (use ANSI functions where available)
- wxString::ToLong, ToULong, ToDouble methods and Format() static one added
- buffer overflows in wxString and wxLog classes fixed (if snprintf() function
  is available)
- wxArray::RemoveAt() replaces deprecated wxArray::Remove(index)

all (GUI):

- Added wxImage::Rotate.
- new wxCalendarCtrl class for picking a date interactively
- wxMenu(Bar)::Insert() and Remove() functions for dynamic menu menagament
- wxToolBar supports arbitrary controls (not only buttons) and can be
  dynamically changed (Delete/Insert functions)
- vertical toolbars supported by MSW and GTK native wxToolBar classes
- wxTreeCtrl and wxListCtrl allow setting colour/fonts for individual items
- "file open" dialog allows selecting multiple files at once (contributed by
  John Norris)
- wxMimeTypesManager uses GNOME/KDE MIME database to get the icons for the
  MIME types if available (Unix only)
- wxDC::DrawRotatedText() (based on contribution by Hans-Joachim Baader)
- TIFF support added (libtiff required and included in the distribution)
- PCX files can now be written (256 and 24 bits)
- validators may work recursively if wxWS_EX_VALIDATE_RECURSIVELY is set
- wxScrolledWindow now has keyboard interface
- wxTextEntryDialog may be used for entering passwords (supports wxTE_PASSWORD)
- added wxEncodingConverter and improved wxFontMapper
  for dealing with convertions between different encodings,
  charsets support in wxLocale and wxHTML
- wxDragImage class added
- samples/help improved to show standard and advanced HTML help
  controllers, as well as native help
- moved wxTreeLayout class to main lib

wxMSW:

- wxFrame::MakeFullScreen added.
- support for enhanced metafiles added, support for copying/pasting metafiles
  (WMF and enhanced ones) fixed/added.
- implemented setting colours for push buttons
- wxStatusBar95 may be now used in dialogs, panels (not only frames) and can be
   positioned along the top of the screen and not only at the bottom
- wxTreeCtrl::IsVisible() bug fixed (thanks to Gary Chessun)
- loading/saving big (> 32K) files in wxTextCtrl works
- tooltips work with wxRadioBox
- wxBitmap/wxIcon may be constructed from XPM included into a program, as in
  Unix ports
- returning FALSE from OnPrintPage() aborts printing
- VC++ makefiles and project files made (mostly) consistent
- wxSetCursorEvent added

wxGTK:

- wxFontMapper endless recursion bug (on some systems) fixed
- wxGTK synthesizes wxActivateEvents
- UpdateUI handlers may be used with wxTextCtrl

wxMotif:

- wxMenu::Enable works
- wxToolBar bugs fixed
- OGL samples made to work again

wxHTML:

- almost complete rewrite of wxHtmlHelpController,
  including faster search, bookmarks, printing, setup dialog
  and cross-platform binary compatible .cached files for faster 
  loading of large helpbooks, case insensitive search
  splitted into 3 parts: wxHtmlHelpData, Frame and Controller
- added support for charsets and <meta> tag
- added support for font faces and justified paragraphs,
  taken some steps to prepare wxHTML for frames
- added dynamic pushing/poping of wxHtmlParser tag handlers
- improved HTML printing
- added extensive table of HTML characters substitutions (&nbsp; etc.)
- fixed wxHtmlWindow flickering, several minor bugfixes
- added some tags: <address>, <code>, <kbd>, <samp>, <small>, <big>,
  fixed handling of relative and absolute font sizes in <font size>


NOTE: for changes after wxWindows 2.1.0 b4, please see the CVS
change log.

2.1.0, b4, May 9th 1999
-----------------------

wxGTK:

- JPEG support added.
- Many fixes and changes not thought worth mentioning in this file :-)

wxMSW:

- wxNotebook changes: can add image only; wxNB_FIXEDWIDTH added;
  SetTabSize added.
- JPEG support added.
- Fixes for Cygwin compilation.
- Added wxGA_SMOOTH and wxFRAME_FLOAT_ON_PARENT styles.
- Many fixes people didn't tell this file about.

wxMotif:


General:

- Some changes for Unicode support, including wxchar.h/cpp.


2.0.1 (release), March 1st 1999
-------------------------------

wxGTK:

- wxGLCanvas fixes.
- Slider/spinbutton fixes.

wxMSW:

- Fixed problems with <return> in dialogs/panels.
- Fixed window cursor setting.
- Fixed toolbar sizing and edge-clipping problems.
- Some makefile fixes.

wxMotif:

- None.

General:

- Added wxUSE_SOCKETS.
- More topic overviews.
- Put wxPrintPaperType, wxPrintPaperDatabase into
  prntbase.h/cpp for use in non-PostScript situations
  (e.g. Win16 wxPageSetupDialog).


Beta 5, February 18th 1999
--------------------------

wxGTK:

- wxExecute improved.

wxMSW:

- Fixed wxWindow::IsShown (::IsWindowVisible doesn't behave as
  expected).
- Changed VC++ makefiles (.vc) so that it's possible to have
  debug/release/DLL versions of the library available simultaneously,
  with names wx.lib, wx_d.lib, wx200.lib(dll), wx200_d.lib(dll).
- Added BC++ 5 IDE files and instructions.
- Fixed wxChoice, wxComboBox constructor bugs (m_noStrings initialisation).
- Fixed focus-related crash.

wxMotif:

- Cured asynchronous wxExecute crash.
- Added repaint event handlers to wxFrame, wxMDIChildFrame.

General:

- wxLocale documented.
- Added include filenames to class reference.
- wxHelpController API changed: SetBrowser becomes SetViewer,
  DisplaySection works for WinHelp, help sample compiles under Windows
  (though doesn't display help yet).

Beta 4, February 12th 1999
--------------------------

wxGTK:

- Miscellaneous fixes.

wxMSW:

- Makefiles for more compilers and samples; Cygwin makefiles
  rationalised.
- Added VC++ project file for compiling wxWindows as DLL.

wxMotif:

- Added OnEraseBackground invocation.
- Added wxRETAINED implementation for wxScrolledWindow.
- Cured scrolling display problem by adding XmUpdateDisplay.
- Tried to make lex-ing in the makefile more generic (command line
  syntax should apply to both lex and flex).
- Changed file selector colours for consistency (except for buttons:
  crashes for some reason).
- Fixed wxMotif version of wxImage::ConvertToBitmap (used new instead
  of malloc, which causes memory problems).

General:

- Further doc improvements.
- wxGenericValidator added.
- Added wxImageModule to image.cpp, so adds/cleans up standard handlers
  automatically.

Beta 3, January 31st 1999
-------------------------

wxGTK:

- wxClipboard/DnD API changes (still in progress).
- wxToolTip class added.
- Miscellaneous fixes.

wxMSW:

- wxRegConfig DeleteAll bug fixed.
- Makefiles for more compilers.
- TWIN32 support added.
- Renamed VC++ makefiles from .nt to .vc, and
  factored out program/library settings.
- Fixed wxIniConfig bug.

wxMotif:

- A few more colour fixes.
- wxGLCanvas and OpenGL samples working.
- Some compiler warnings fixed.
- wxChoice crash fix.
- Dialog Editor starting to work on Motif.

General:

- wxBusyCursor class added.
- Added samples/dde.
- More doc improvements, incl. expanding docs/html/index.htm.

Beta 2, January 1999
--------------------

wxGTK:

wxMSW:

- 16-bit BC++ compilation/linking works albeit without the resource system.

wxMotif:

- Cured wxScreenDC origin problem so e.g. sash window sash is drawn at
  the right place.
- Cured some widget table clashes.
- Added thread support (Robert).
- wxPoem sample now works.

General:

- Rearranged documentation a bit.
- Sash window uses area of first frame/dialog to paint over when drawing
  the dragged sash, not just the sash window itself (it clipped to the right
  or below).
- Made resource sample use the correct Cancel button id.
- Moved wxProp to main library (generic directory), created proplist
  sample.
- Added bombs and fractal samples.

Beta 1, December 24th 1998
--------------------------

wxGTK:

- Various

wxMSW, wxMotif: not in sync with this release.


Alpha 18, December 29th 1998
----------------------------

wxMSW:

- Win16 support working again (VC++ 1.5)
- Win16 now uses generic wxNotebook, wxListCtrl,
  wxTreeCtrl -- more or less working now, although
  a little work on wxNotebook is still needed.
  Under 16-bit Windows, get assertion when you click
  on a tab.
- Wrote 16-bit BC++ makefiles: samples don't yet link.
- Added CodeWarrior support to distribution courtesy
  of Stefan Csomor.

wxMotif:

- Cured scrolling problem: scrollbars now show/hide themselves
  without (permanently) resizing the window.
- Removed some commented-out lines in wxScrolledWindow::AdjustScrollbars
  that disabled scrollbar paging.
- Set background colour of drawing area in wxWindow, so e.g. wxListCtrl
  colours correctly.
- Removed major bug whereby dialogs were unmanaged automatically
  when any button was pressed.
- Fixed colours of wxWindow scrollbars, made list and text controls
  have a white background.
- Fixed dialog colour setting.
- Added settable fonts and colours for wxMenu/wxMenuBar. Now
  they have sensible colours by default.
- Fixed a bug in wxStaticBox.
- Cured wxTreeCtrl bug: now works pretty well!
- Debugged DrawEllipticArc (a ! in the wrong place).
- Added SetClippingRegion( const wxRegion& region ).
- Added wxPoint, wxSize, wxRect versions of SetSize etc.

Alpha 17, November 22nd 1998
----------------------------

wxMSW:

- More documentation updates, especially for
  wxLayoutWindow classes and debugging facilities.
- Changed wxDebugContext to use wxDebugLog instead
  of wxTrace.
- Now supports VC++ 6.0, and hopefully BC++ 5.0.
  However, DLL support may be broken for BC++ since
  VC++ 6 required changing of WXDLLEXPORT keyword
  position.
- Numerous miscellaneous changes.

wxMotif:

- Reimplemented MDI using wxNotebook instead of the MDI widgets, which
  were too buggy (probably not design for dynamic addition/removal of
  child frames).
- Some improvements to the wxNotebook implementation.
- wxToolBar now uses a bulletin board instead of a form, in an attempt
  to make it possible to add ordinary wxControls to a toolbar.
- Cured problem with not being able to use global memory operators,
  by defining two more global operators, so that the delete will match
  the debugging implementation.
- Added wxUSE_DEBUG_NEW_ALWAYS so we can distinguish between using
  global memory operators (usually OK) and #defining new to be
  WXDEBUG_NEW (sometimes it might not be OK).
- Added time.cpp to makefile; set wxUSE_DATETIME to 1.
- Added a parent-existance check to popup menu code to make it not crash.
- Added some optimization in wxWindow::SetSize to produce less flicker.
  It remains to be seen whether this produces any resize bugs.

It's a long time since I updated this file. Previously done:

- wxFrame, wxDialog done.
- wxScrolledWindow done (but backing pixmap not used at present).
- wxBitmap done though could be tidied it up at some point.
- Most basic controls are there, if not rigorously tested.
- Some MDI support (menus appear on child frames at present).
- wxNotebook almost done.
- wxToolBar done (horizontal only, which would be easy to extend
  to vertical toolbars).

More recently:

- Colour and font changing done (question mark over what happens
  to scrollbars).
- Accelerators done (for menu items and buttons). Also event loop
  tidied up in wxApp so that events are filtered through ProcessXEvent.
- wxWindow::GetUpdateRegion should now work.

Alpha 16, September 8th 1998
----------------------------

wxMSW:

- Added wxSashWindow, wxSashLayoutWindow classes, and sashtest
  sample.
- Guilhem's socket classes added, plus wxsocket sample.
- A few more makefiles added.
- GnuWin32/BC++ compatibility mods.
- Further doc updates.
- wxProp updates for correct working with wxGTK.

wxMotif:

- First start at Motif port.
- Made makefiles for wxMotif source directory and minimal sample.
- First go at wxApp, wxWindow, wxDialog, wxPen, wxBrush, wxFont,
  wxColour, wxButton, wxCheckBox, wxTextCtrl, wxStaticText,
  wxMenu, wxMenuItem, wxMenuBar

Alpha 15, August 31st 1998
--------------------------

wxMSW:

- wxBitmap debugged.
- wxDC::GetDepth added.
- Contribution added whereby wxBitmap will be
  converted to DC depth if they don't match.
- wxConfig API improved, documentation updated.
- Printing classes name conventions cleaned up.
- wxUpdateUIEvent now derives from wxCommandEvent
  so event can travel up the window hierachy.

Alpha 14, July 31st 1998
------------------------

wxMSW:

- Toolbar API has been simplified, and now
  wxFrame::GetClientArea returns the available client
  area when toolbar, status bar etc. have been accounted for.
  wxFrame::CreateToolBar added in line with CreateStatusBar.
- Documentation updates, incl. for wxToolBar.
- New wxAcceleratorTable class plus wxFrame::SetAcceleratorTable.
- Various additions from other folk, e.g. streams, wxConfig
  changes, wxNotebook.
- Added wxDocMDIParentFrame, wxDocMDIChildFrame for doc/view.

Alpha 13, July 8th 1998
-----------------------

wxMSW:

- Implemented wxPoint as identical to POINT on Windows, and
  altered wxDC wxPoint functions to use wxPoint directly in
  Windows functions, for efficiency.
- Cured wxASSERT bug in wxStatusBar95.
- #ifdefed out some bits in oleutils.cpp for compilers that
  don't support it.
- Added some operators to wxPoint, wxSize.
- Added inline wxDC functions using wxPoint, wxSize, wxRect.

Alpha 12, July 7th 1998
-----------------------

wxMSW:

- Added wxApp::GetComCtl32Version, and wxTB_FLAT style, so can
  have flat toolbars on Win98 or Win95 with IE >= 3 installed.

Alpha 11, July 3rd 1998
-----------------------

wxMSW:

- Added thread.h, thread.cpp.
- Changed Enabled, Checked to IsEnabled, IsChecked in wxMenu,
  wxMenuBar.
- Changed wxMenuItem::SetBackColor to SetBackgroundColour,
  SetTextColor to SetTextColour, and added or made public several
  wxMenuItem accessors.
- Added two overloads to wxRegion::Contains. Added
  wxRegion::IsEmpty for a more consistent naming convention.
- Added Vadim's wxDataObject and wxDropSource.
- ENTER/LEAVE events now work.
- Cured wxMemoryDC bug where the DC wasn't being deleted.
- Cured wxGauge SetSize major bugginess.
- Cured problem where if a GDI object was created on the stack,
  then went out of scope, then another object was selected into
  the DC, GDI objects would leak. This is because the assignment
  to e.g. wxDC::m_pen would delete the GDI object without it first
  being selected out of the DC. Cured by selecting the old DC object
  first, then doing the assignment.
- Split up wxGaugeMSW, wxGauge95, wxSliderMSW, wxSlider95
- Various other bug fixes and additions.

Generic:

- Major work on Dialog Editor (still plenty to go).
- Expanded documentation a bit more.

Alpha 10, May 7th 1998
----------------------

wxMSW:

- Added desiredWidth, desiredHeight parameters to wxBitmapHandler
  and wxIcon functions so that you can specify what size of
  icon should be loaded. Probably will remain a Windows-specific thing.
- wxStatusBar95 now works for MDI frames.
- Toolbars in MDI frames now behave normally. They still
  require application-supplied positioning code though.
- Changed installation instructions, makefiles and batch files
  for compiling with Gnu-Win32/Mingw32/EGCS. Also timercmn.cpp
  change to support Mingw32/EGCS. Bison now used by default.

Alpha 9, April 27th 1998
------------------------

wxMSW:

- Cured bug in wxStatusBar95 that caused a crash if multiple
  fields were used.
- Added Gnu-Win32 b19/Mingw32 support by changing resource
  compilation and pragmas.
- Cured wxMenu bug introduced in alpha 8 - didn't respond to
  commands because VZ changed the id setting in wxMenu::MSWCommand.

Generic:

- Corrected some bugs, such as the wxModule compilation problem.
- Added Gnu-Win32 b19/Mingw32 support by changing resource
  compilation and pragmas.
- Changed SIZEOF to WXSIZEOF.

Alpha 8, April 17th 1998
------------------------

wxMSW:

- Added IsNull to wxGDIObject to check if the ref data is present or not.
- Added PNG handler and sample - doesn't work for 16-bit PNGs for
  some reason :-(
- Added wxJoystick class and event handling, and simple demo.
- Added simple wxWave class. Needs Stop() function.
- Added wxModule (module.h/module.cpp) to allow definition
  of modules to be initialized and cleaned up on wxWindows
  startup/exit.
- Start of Mingw32 compatibility (see minimal and dialogs samples
  makefile.m95 files, and install.txt).
- Note: Windows printing has stopped working... will investigate.
VADIM'S CHANGES:
- Updated wxString: bug fixes, added wxArrayString, some
  compatibility functions.
- Updated log.h/cpp, added wxApp::CreateLogTarget.
- file.h: new wxTempFile class.
- defs.h: added wxSB_SIZE_GRIP for wxStatusBar95
- statbr95: wxStatusBar95 control.
- registry.h/cpp: wxRegKey class for Win95 registry.
- listbox.cpp: corrected some bugs with owner-drawn listboxes.
- wxConfig and wxFileConfig classes.

Generic:

- Added src/other/png, src/other/zlib directories.
- Added samples/png.
- IMPORTANT: Changed 'no id' number from 0 to -1, in wxEVT_ macros.
  Porters, please check particularly your wxTreeCtrl and wxListCtrl
  header files.
- Added modules.h/cpp, config.cpp, fileconf.cpp, textfile.cpp/h.

Alpha 7, March 30th 1998
------------------------

wxMSW:

- Added tab classes, tab sample.
- Now can return FALSE from OnInit and windows will be
  cleaned up properly before exit.
- Improved border handling so panels don't get borders
  automatically.
- Debugged MDI activation from Window menu.
- Changes to memory debug handling, including checking for
  memory leaks on application exit - but see issues.txt for
  unresolved issues.
- Added wxTaskBarIcon (taskbar.cpp/h, plus samples/taskbar)
  to allow maintenance of an icon in the Windows 95 taskbar
  tray area.
- Got MFC sample working (MFC and wxWindows in the same
  application), partly by tweaking ntwxwin.mak settings.
- Got DLL compilation working again (VC++).
- Changed wxProp/Dialog Editor filenames.

Generic:

- Added tab classes, tab sample.
- Revised memory.cpp, memory.h slightly; memory.h now #defines
  new to WXDEBUG_NEW in DEBUG mode. Windows implementation app.cpp
  now checks for leaks on exit. Added memcheck sample.
  See src/msw/issues.txt for more details.
- resource.h, resource.cpp changed to make wxDefaultResourceTable
  a pointer. Now initialize resource system with
  wxInitializeResourceSystem and wxCleanUpResourceSystem, to
  allow better control of memory.
- wxString now derives from wxObject, to enable memory leak
  checking.
- Added some #include fixes in various files, plus changed
  float to long in wxToolBar files.

Alpha 6, March 10th 1998
------------------------

wxMSW:

- Found stack error bug - stopped unwanted OnIdle recursion.
- Removed bug in wxTreeCtrl::InsertItem I added in alpha 5.
- Changed exit behaviour in wxApp/wxFrame/wxDialog. Now will
  check if the number of top-level windows is zero before
  exiting. Also, wxApp::GetTopWindow will return either
  m_topWindow or the first member of wxTopLevelWindows, so you
  don't have to call wxApp::SetTopWindow.
- Added dynarray.h/dynarray.cpp (from Vadim).
- Added first cut at OLE drag and drop (from Vadim). dnd sample
  added. Drop target only at this stage. See src/msw/ole/*.cpp,
  wx/include/msw/ole/*.h. WIN32 only because of UUID usage.
  Doesn't work with GnuWin32 - no appropriate headers e.g. for
  IUnknown.
  Doesn't work with BC++ either - crashes on program startup.
- Added Vadim's owner-draw modifications - will probably remain
  Windows-only. This enhances wxMenu, wxListBox. See ownerdrw sample.
- Added wxLB_OWNERDRAW for owner-draw listboxes.
- Vadim's wxCheckListBox derives from wxListBox. See checklst sample.
  Doesn't entirely work for WIN16.
- Vadim has added wxMenuItem as a separate file menuitem.cpp. It
  can also be used as an argument to wxMenu::Append, not just for
  internal implementation.
- Some #ifdefs done for MINGW32 compilation (just alter OPTIONS
  in makeg95.env, together with mingw32.bat). However, resource
  binding is not working yet so most apps with dialogs crash.

Generic:

- Added Vadim's dynarray.h, dynarray.cpp.
- Added Vadim's menuitem.cpp.
- Added Windows-specific wxCheckListBox,
  owner-draw wxListBox, and drag-and-drop
  (see docs/msw/changes.txt).

Alpha 5, 14th February 1998
--------------------------

wxMSW:

- GENERIC AND MSW-SPECIFIC CODE NOW TREATED AS TWO SEPARATE
  DISTRIBUTIONS. This change log will therefore now refer to
  the Windows-specific code only. See docs/changes.txt for generic
  changes.
- Removed Windows-specific reference counting system (GDI
  resources were cleaned up in idle time) - minimal
  advantages now we have a wxWin reference counting system.
- Added missing WXDLLEXPORT keywords so DLL compilation works
  again.
- Removed most warnings for GnuWin32 compilation.
- Added wxRegion/wxRegionIterator, but haven't yet used it in
  e.g. wxDC.

Generic:

- GENERIC AND MSW-SPECIFIC CODE NOW TREATED AS TWO SEPARATE
  DISTRIBUTIONS. This change log will therefore now refer to
  the generic code only. See docs/msw/changes.txt for Windows-specific
  changes.
- Readmes, change logs and installation files now go in
  platform-specific directories under docs, e.g. docs/msw,
  docs/gtk.
- Added DECLARE_APP and IMPLEMENT_APP macros so wxApp object gets
  created dynamically, not as a global object.
- Put wxColour into wx/msw/colour.h, src/msw/colour.cpp.
- Changed names of some include/wx/generic headers to be
  consistent and to conform to gcc pragma conventions. Also
  changed choicesg.cpp to choicdgg.cpp.
- Added gcc pragmas.
- Added gtk inclusion in include/wx headers.
- Added consistent file headings to source and headers.
- Removed lang.cpp, lang.h and references to wxSTR_... variables;
  added a few references to wxTransString.
- Added operator to wxTransString that converts automatically
  to wxString, so we can say e.g. wxMessageBox(wxTransString("Hello"), ...).
- samples/internat now works (minimally).
- Added wxMouseEvent::GetPosition and
  wxMouseEvent::GetLogicalPosition, both returning wxPoints.
- Made wxSize and wxRect contain longs not ints.
- Cured some lemory leaks (thanks Vadim).
- Tidied up OnIdle and introduced RequestMore/MoreRequested so
  will only keep processing OnIdle if it returns TRUE from
  MoreRequested.

Alpha 4, 31st January 1998
--------------------------

All:

- Changed wxDC functions to take longs instead of floats. GetSize now takes
  integer pointers, plus a version that returns a wxSize.
- const keyword added to various wxDC functions.
- Under Windows, wxDC no longer has any knowledge of whether
  an associated window is scrolled or not. Instead, the device
  origin is set by wxScrolledWindow in wxScrolledWindow::PrepareDC.
- wxScrolledWindow applications can optionally override the virtual OnDraw
  function instead of using the OnPaint event handler. The wxDC passed to
  OnDraw will be translated by PrepareDC to reflect scrolling.
  When drawing outside of OnDraw, must call PrepareDC explicitly.
- wxToolBarBase/wxToolBarSimple similarly changed to allow for
  scrolling toolbars.
- Integrated wxPostScriptDC patches for 1.xx by Chris Breeze,
  to help printing with multiple pages.
- IPC classes given base classes (wxConnectionBase etc.) which
  define the API used by different implementations. DDE
  implementation updated to use these base classes.
- wxHelpInstance now separated into wxHelpControllerBase (base
  for all implementations), wxWinHelpController (uses standard
  WinHelp), wxXLPHelPController (talks to wxHelp by DDE or
  TCP/IP). There will be others eventually, such as
  wxHTMLHelpController for Microsoft (and Netscape?) HTML Help.
- Added Vadim Zeitlin's wxString class plus
  internationalization code (gettext simulation, wxLocale, etc.).
  New files from Vadim:
  include\wx\string.h
  include\wx\debug.h
  include\wx\file.h
  include\wx\log.h
  include\wx\intl.h
  src\common\string.cpp
  src\common\log.cpp
  src\common\intl.cpp
  src\common\file.cpp
  No longer use GNU wxString files.
- Split off file-related functions into include\wx\filefn.h and
  src\common\filefn.cpp.
- Borland C++ support (WIN32) for main library and
  samples, using makefile.b32 files.
- Preparation done for allowing BC++ to compile wxWin as a DLL,
  including changes to defs.h.
- wxIntPoint removed, wxPoint is now int, and wxRealPoint
  introduced.
- Added wxShowEvent (generated when window is being shown or
  hidden).
- Got minimal, docview, mdi samples working for 16-bit VC++ and
  cured 16-bit problem with wxTextCtrl (removed global memory
  trick).
- Updated GnuWin32 makefiles, checked minimal, mdi, docview samples.

Alpha 3, September 1997
-----------------------

All:

- wxListCtrl, wxTreeCtrl, wxImageList classes done.
- Instigated new file hierarchy, split files and classes up more logically.
- PrologIO and some other utils now put into core library.
- Revamped print/preview classes, added wxPageSetupDialog.
- Started documentation.

Alpha 2, 30th April 1997
------------------------

All:

- EVT_... macros now have at least one argument, for conformance
  with MetroWerks compiler.
- Added ids to .wxr file format.
- Got Dialog Editor compiled and running again but need
  to extend functionality to be in line with new controls.
  Added dialoged\test app to allow dynamic loading of .wxr files
  for testing purposes.
- Rewrote wxBitmap to allow installable file type
  handlers.
- Rewrote wxBitmapButton, wxStaticBitmap to not use Fafa.
- Wrote most of wxTreeCtrl and sample (need wxImageList to implement it
  fully).
- Added back wxRadioBox.
- Tidied up wx_main.cpp, wxApp class, putting PenWin code in
  a separate file.

Alpha 1, 5th April 1997
-----------------------

Generic:

At this point, the following has been achieved:

- A lot, but not all, of the code has been revamped for better
  naming conventions, protection of data members, and use of
  wxString instead of char *.
- Obsolete functionality deleted (e.g. default wxPanel layout,
  old system event system) and code size reduced.
- Class hierarchy changed (see design doc) - base classes such
  as wxbWindow now removed.
- No longer includes windows.h in wxWin headers, by using stand-in
  Windows types where needed e.g. WXHWND.
- PrologIO revised.
- wxScrolledWindow, wxStatusBar and new MDI classes added.
  MDI is now achived using separate classes, not window styles.
- wxSystemSettings added, and made use of to reflect standard
  Windows settings.
- SetButtonFont/SetLabelFont replaced by SetFont; font and colour
  settings mucho rationalised.
- All windows are now subclassed with the same window proc to make
  event handling far more consistent. Old internal wxWnd and derived
  classes removed.
- API for controls revised, in particular addition of
  wxValidator parameters and removal of labels for some controls.
- 1 validator written: see examples/validate.
- Event table system introduced (see most samples and
  wx_event.cpp/ProcessEvent, wx_event.h). wxEvtHandler
  made more flexible, with Push/PopEventHandler allowing a chain
  of event handlers.
- wxRadioBox removed - will be added back soon.
- Toolbar class hierarchy revised:
  wxToolBarBase
  wxToolBarSimple (= old wxToolBar)
  wxToolBar95 (= old wxButtonBar under Win95
  wxToolBarMSW (= old wxButtonBar under WIN16/WIN32)
- Constraint system debugged somewhat (sizers now work properly).
- wxFileDialog, wxDirDialog added; other common dialogs now
  have class equivalents. Generic colour and font dialogs
  rewritten to not need obsolete panel layout.
- .wxr resource system partially reinstated, though needs
  an integer ID for controls. Hopefully the resource system
  will be replaced by something better and more efficient
  in the future.
- Device contexts no longer stored with window and accessed
  with GetDC - use wxClientDC, wxPaintDC, wxWindowDC stack
  variables instead.
- wxSlider uses trackbar class under Win95, and wxSL_LABELS flag
  determines whether labels are shown. Other Win95-specific flags
  introduced, e.g. for showing ticks.
- Styles introduced for dealing with 3D effects per window, for
  any window: all Win95 3D effects supported, plus transparent windows.
- Major change to allow 3D effect support without CTL3D, under
  Win95.
- Bitmap versions of button and checkbox separated out into new
  classes, but unimplemented as yet because I intend to remove
  the need for Fafa - it apparently causes GPFs in Win95 OSR 2.
- utils/wxprop classes working (except maybe wxPropertyFormView)
  in preparation for use in Dialog Editor.
- GNU-WIN32 compilation verified (a month or so ago).