212 lines
11 KiB
Plaintext
212 lines
11 KiB
Plaintext
Changes in FLTK 1.4.0 Released: ??? ?? 2019
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General Information about this Release
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- FLTK 1.4.0 is based on FLTK 1.3.4 (released Nov 15 2016),
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see CHANGES_1.3.txt for more information.
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- CMake is the primary supported build system in FLTK 1.4.0 and later.
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CMake can be used to generate Makefiles, IDE project files, and
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several other build systems by using different "generators" provided
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by CMake (for instance Ninja, CodeBlocks, Eclipse, KDevelop3, Xcode, etc.).
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See README.CMake.txt for more information.
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- autoconf/configure is still supported by the FLTK team for backwards
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compatibility with older systems that lack CMake support.
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New Features and Extensions
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- (add new items here)
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- Fl_Printer::begin_job() uses by default the Gnome print dialog on the X11
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platform when the GTK library is available at run-time. That can be turned off
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with Fl::option(OPTION_PRINTER_USES_GTK, false).
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- New member functions Fl_Paged_Device::begin_job() and begin_page()
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replace start_job() and start_page(). The start_... names are maintained
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for API compatibility.
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- New member function Fl_Image::scale(int width, int height) to set
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the drawing size of an image independently from its data size. The
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same function was previously available only for class Fl_Shared_Image
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and with FL_ABI_VERSION >= 10304. New member functions Fl_Image::data_w()
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and Fl_Image::data_h() give the width and height of the image data.
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- OpenGL draws text using textures on all platforms, when the necessary
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hardware support is present (a backup mechanism is available in absence
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of this support). Thus, all text drawable in Fl_Window's can be drawn
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in Fl_Gl_Window's (STR#3450).
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- New member functions Fl::program_should_quit(void),
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and Fl::program_should_quit(int) to support detection by the library
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of a request to terminate cleanly the program.
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- MacOS platform: the processing of the application menu's "Quit" item
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has been changed. With FLTK 1.3.x, the application terminated when all
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windows were closed even before Fl::run() of Fl::wait() could return.
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With FLTK 1.4, Fl::run() returns so the app follows its normal termination path.
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- MacOS platform: Added support for rescaling the GUI of any app at run-time
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using the command/+/-/0/ keystrokes.
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- MSWindows platform: Added support for rescaling the GUI of any app
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at run-time using the ctrl/+/-/0/ keystrokes. All applications
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detect the desktop scaling factor and automatically scale their GUI
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accordingly. This effectively renders WIN32 FLTK apps "per-monitor DPI-aware"
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whereas they were "DPI-unaware" with FLTK 1.3.4.
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- FLTK apps on the MacOS platform contain automatically a Window menu, which,
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under MacOS ≥ 10.12, allows to group/ungroup windows in tabbed form. The new
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Fl_Sys_Menu_Bar::window_menu_style() function allows to specify various
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styles for the Window menu, even not to create it.
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- New function: int fl_open_ext(const char* fname, int binary, int oflags, ...)
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to control the opening of files in binary/text mode in a cross-platform way.
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- New Fl_SVG_Image class: gives support of scalable vector graphics images
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to FLTK using the nanosvg software.
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- Fl_Text_Selection got a new method length() and returns 0 in length()
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and in all offsets (start(), end(), position()) if no text is selected
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(selected() == false). The behavior in FLTK 1.3 and earlier versions
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(returning undefined values if !selected()) was confusing.
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- Added support for MacOS 10.13 "High Sierra".
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- New method Fl_Group::bounds() replaces Fl_Group::sizes() which is now
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deprecated. Fl_Group::bounds() uses the new class Fl_Rect that contains
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widget coordinates and sizes x(), y(), w(), and h() (STR #3385).
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Documentation for bounds() and its internal structure was added.
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- X11 platform: Added support for HiDPI displays and for rescaling any window
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at run-time under user control. Under the gnome desktop, FLTK applications
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detect the current gnome scaling factor and use it to scale all FLTK windows.
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Under other desktops, the FLTK_SCALING_FACTOR environment variable can be
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used to set the starting scaling factor of all FLTK applications.
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In addition, it is possible to rescale all FLTK windows mapped to a screen
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by typing ctrl-'+' (enlarge), ctrl-'-' (shrink) or ctrl-'0' (back to starting
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factor value). Windows moved between screens adjust to the scaling factor of
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their screen. This supports desktops mixing screens with distinct resolutions.
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- New method shadow(int) allows to disable the shadows of the hands
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of Fl_Clock, Fl_Clock_Output, and derived widgets.
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- New method Fl_Tabs::tab_align() allows to set alignment of tab labels,
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particularly to support icons on tab labels (STR #3076).
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- Added '--enable-print' option to configure effective under X11 platforms
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and with 'yes' default value. Using '--enable-print=no' removes print
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and PostScript support from the FLTK library, thus reducing its size.
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- Added Fl_Surface_Device::push_current(new_surface) and
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Fl_Surface_Device::pop_current() to set/unset the current surface
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receiving graphics commands.
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- X11 platform: Added support for drawing text with the pango library
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which allows to draw most scripts supported by Unicode, including CJK
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and right-to-left scripts. The corresponding CMake option is
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OPTION_USE_PANGO. The corresponding configure option is --enable-pango.
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This option is OFF by default.
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New Configuration Options (ABI Version)
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- The library can be built without support for SVG images using the
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--disable-nanosvg configure option or turning off OPTION_USE_NANOSVG in CMake.
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- FLTK's ABI version can be configured with 'configure' and CMake.
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See documentation in README.abi-version.txt.
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1.4.0 ABI FEATURES
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- None. FLTK 1.4.0 has a new ABI, breaking 1.3.x ABI.
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Other Improvements
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- (add new items here)
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- Class Fl_Native_File_Chooser uses in priority the file chooser dialog
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of GTK version 3 when available on the running X11 platform, and falls back
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to version 2 when V3 is not available. In contrast, GTK version 2 was used
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in priority by FLTK 1.3.x
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- Added support for macOS 10.15 "Catalina"
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- Improved documentation for '@' symbols in labels (STR #2940).
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- Fl_Roller can now be controlled via the mouse wheel (STR #3120).
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- Tooltips hide by themselves after 12 seconds (STR #2584).
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- Added widget visibility indicator to Fluid (STR #2669).
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- Added Fl_Input_::append() method (STR #2953).
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- Fix for STR#3473 (and its duplicate STR#3507) to restore configure-based
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builds on recent Linux/Unix distributions where the freetype-config
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command has been replaced by pkg-config.
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- Added support for MacOS 10.14 "Mojave": all drawing to windows is done
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through "layer-backed views" when the app is linked to SDK 10.14.
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- MacOS ≥ 10.10: Fl_Window::fullscreen() and fullscreen_off() no longer
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proceed by Fl_Window::hide() + Fl_Window::show() but essentially
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resize the window, as done on the X11+EWMH and Windows platforms.
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- Fl_Cairo_Window constructors are now compatible with Fl_Double_Window
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constructors - fixed missing constructors (STR #3160).
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- The include file for platform specific functions and definitions
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(FL/x.H) has been replaced with FL/platform.H. FL/x.H is deprecated
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but still available for backwards compatibility (STR #3435).
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FL/x.H will be removed in a (not yet specified) future FLTK release.
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We recommend to change your #include statements accordingly.
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- The Fl_Boxtype and Fl_Labeltype definitions contained enum values
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(names) with a leading underscore (e.g. _FL_MULTI_LABEL) that had to
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be used in this form. Now all boxtypes and labeltypes can and should
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be used without the leading underscore. A note was added to the enum
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documentations to make clear that the leading underscore must not be
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used in user code, although the enum documentation still contains
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leading underscores for technical reasons (internal use).
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- The blocks demo program got a new keyboard shortcut (ALT+SHIFT+H) to
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reset the user's high score. It is now slower than before in higher
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levels, hence you can expect higher scores (due to a bug fix in the
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timer code). You can use the '+' key to increase the level at all times.
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- Some methods of Fl_Tabs are now virtual and/or protected for easier
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subclassing without code duplication (STR #3211 and others).
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To be continued...
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- Separated Fl_Input_Choice.H and Fl_Input_Choice.cxx (STR #2750, #2752).
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- Separated Fl_Spinner.H and Fl_Spinner.cxx (STR #2776).
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- New method Fl_Spinner::wrap(int) allows to set wrap mode at bounds if
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value is changed by pressing or holding one of the buttons (STR #3365).
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- Fl_Spinner now handles Up and Down keys when the input field has
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keyboard focus (STR #2989).
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- Renamed test/help.cxx demo program to test/help_dialog.cxx to avoid
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name conflict with CMake's auto-generated target 'help'.
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- Many documentation fixes, clarifications, and enhancements.
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Bug Fixes
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- (add new items here)
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- Fixed all Pixmaps to be '*const' (STR #3108).
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- Fixed Fl_Text_Editor selection range after paste (STR #3248).
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- Fixed crash for very small Fl_Color_Chooser (STR #3490).
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- Removed all shadow lint in header files (STR #2714).
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- Fixed pulldown menu position when at the bottom of the screen (STR #2880).
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- Fixed missing item handling in Fl_Chekc_Browser (STR #3480).
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- Fixed Delete key in Fl_Input deleting entire widgets in Fluid (STR #2841).
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- Reorganized Fluid Template feature (STR #3336).
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- Updated Fluid documentation and image (STR #3328).
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- Duplicating Widget Class in Fluid no longer crashes (STR #3445).
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- Fl_Check_Browser::add(item) now accepts NULL (STR #3498).
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- Interface to set maximum width of spinner text field (STR #3386).
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- Fl_Text_Display no longer wiggles (STR #2531).
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- Fixed Help_View return value (STR #3430).
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- Fix 'fluid.app' on case sensitive macOS (was: Fluid.app).
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- Fix FL_PUSH event handling of Fl_Check_Browser (STR #3004).
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- Fix a potential crash when a program exits before it opens a window
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(Windows only, STR #3484).
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- Fix Fl_PNG_Image error handling. An error was potentially caused
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by error handling of the image library with setjmp/longjmp.
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- Fix Fl_Browser background and text color parsing (STR #3376).
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- Fix Windows CreateDC/DeleteDC mismatch (STR #3373).
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- Fix Fl_Tabs label drawing for Fl_Window children (STR #3075).
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- Fix line number alignment in Fl_Text_Display/Editor (STR #3363).
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- Fix ignored buffer pre-allocation (requestedSize) in Fl_Text_Buffer.
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See fltk.general "Fl_Text_Buffer constructor bug" on Dec 5, 2016.
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- Fix build with configure --enable-cairo --enable-cairoext,
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see this report in fltk.general:
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https://groups.google.com/forum/#!topic/fltkgeneral/x80qQ6wt0s4
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Removed Features
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- Bundled IDE project files (Xcode and Visual Studio) have been
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removed. Please use CMake to generate your IDE project files.
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See README.CMake.txt for more information.
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Changes in FLTK 1.3
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See CHANGES_1.3.txt
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Changes in FLTK 1.1
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See CHANGES_1.1.txt
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Changes in FLTK 1.0
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See CHANGES_1.0.txt
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