The cairo_test program would redraw the window vertically flipped after the window was
hidden or miniaturized when layer-backed windows were used.
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The problem was visible with test/mandelbrot and with layer-backed views.
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Mojave support requires to draw windows using so-called "layer-backed views".
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The regression was detected by "FLTK 1.4 on macOS: Trouble compiling my Application with Makefile"
in fltk.general.
The fix is to have unbundled apps initialize under MacOS 10.13 as under earlier OS,
thus the new initialization procedure introduced for 10.13 is for bundled apps only.
Tested OK on 10.13.6 and 10.14 public beta 10.
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The new procedure essentially resizes the window, as done on the X11+EWMH and Windows platforms.
This improves in particular the possibility to turn an Fl_Gl_Window fullscreen on and off.
MacOS 10.10+ is required because the procedure isn't stable (random crashes during fast switches) with 10.9.
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The ABI compatibility was checked with the abi-compliance-checker tool.
The same code has already been committed in the 1.4 branch.
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FLTK now transforms that into \n as is expected under MacOS.
Older MS Office apps used \r as old MacOS software.
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Some border lines were too short or too long, the shading code would draw
too many shaded lines, and the code was hard to understand.
With this commit all background pixels of the box are drawn exactly once.
The border lines are consistent, but some pixels of the border are not
drawn at all so the background shines through. This is intended for
backwards compatibility.
A minor change is that the drawn background does no longer overlap the
border lines. Hence undrawn pixels that previously displayed the colored
box background are now transparent and show the parent widget's color.
This commit adds comments and implementation notes to make the code easier
to understand and better maintainable (hopefully).
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Because opening a file can call the event loop and thus access the list of dropped files,
it's necessary to remove the object from the list before opening the file.
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With MacOS 10.13 "High Sierra", it was necessary to change what happens at application start time.
The new procedure is:
fl_open_display() calls [NSApp run], and during this call:
the main event loop is started;
the app delegate receives an openFile: message for each file dropped on the app icon. Each
such filename is memorised in an NSMutableArray called dropped_files_list;
the app delegate receives applicationDidFinishLaunching and stops the main event loop
(this seems to occur unpredictably after the first openFile: message or after all of them).
When the FLTK event loop begins, it checks whether dropped_files_list is empty. If it is not,
the first element of this list is a filename which is opened and is removed from dropped_files_list.
This new setup allows to turn resizable windows fullscreen and back as expected under MacOS,
and to support launching apps while dropping file(s) on its icon.
For now, the new setup is used only when MacOS 10.13 is running.
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With MacOS 10.13 "High Sierra", when a window is made fullscreen by clicking on the green window button,
the window hides the system menubar, but it's not possible to show the menubar by moving the pointer
to the very top of the window. This new way of starting apps fixes this problem.
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This public, inline, and read-only accessor is intended for debugging
purposes but can be useful for user code as well.
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Function load_xfont_for_xft2() tries to load an X font corresponding to a given xft font, to use it
with GL. Under Ubuntu, always the same font was loaded, whatever the family, style and size.
With this fix, style and size requests are honored under Ubuntu. Family request may not be honored.
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The widget's handle method may change the value of Fl::e_text.
This occurs for instance if this method calls fl_choice().
So, memorize the value of Fl::e_text before, to delete the correct array after the call to the handle method.
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There are still files that need changes, but with this commit the
majority of files is up-to-date.
Files left to be updated later:
- ANNOUNCEMENT partly done, needs RELEASE DATE !
- CHANGES up-to-date (?), but needs RELEASE DATE !
- KNOWN_BUGS.html needs more work (snapshot)
- maybe more (unknown)
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See fltk.general "Fl_Text_Buffer constructor bug" on Dec 5, 2016.
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