This example code shows how to subclass Fl_Surface_Device and Fl_Graphics_Driver to
endow FLTK with a new kind of graphics output.
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Replace compiler/preprocessor/platform macro "WIN32" with "_WIN32".
Replace "WIN32" in text and documentation with "Windows".
Replace "MSWindows" with "Windows".
To do: README.Windows.txt (and maybe other documentation as well)
needs updates.
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This second step replaces FL/x.H with FL/platform.H in all source files.
Dependencies have been adjusted as well.
This commit completes the replacement of FL/x.H with FL/platform.H.
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opengl apps were left out of the targets list on purpose
so that only non-opengl apps would build.
TODO: Determine a way to detect the presence of fltk opengl libs
from within the Makefile using only fltk-config, so as to
conditionally build the opengl examples.
Do NOT use fltk's own build system (../makeinclude or cmake)
to determine this, so the Makefiles will work as user examples.
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The example posts a warning dialog if it's not (vis a vis test/cube demo)
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... except in driver code that uses Fl_System_Driver::getenv().
Todo: Check if all remaining calls of getenv() in driver code are correct
or might use ::getenv() to avoid one calling level for optimization.
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Since svn r12443 we can use all labeltypes (including FL_IMAGE_LABEL and
FL_MULTI_LABEL) w/o leading underscore. We can also use both documented
variants to assign an FL_MULTI_LABEL to an Fl_Menu_Item.
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Refer to discussion if fltk.general, thread "Drag and drop issue"
in August September 2017.
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MinGW wouldn't flush the output before closing the window.
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FLTK_ABI_VERSION has been renamed to FL_ABI_VERSION in FLTK 1.4.0.
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These warnings and errors were found using gcc 6.1 (64-bit) under Windows.
The error in examples/howto-add_fd-and-popen.cxx (-fpermissive) is due
to the wrong definition of Fl_FD_Handler under Windows 64-bit (FL_SOCKET!).
This should really be fixed in a better way in FLTK 1.4.
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This adds missing headers that were previously included in other
FLTK header files.
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Everything related to Fl_Tree and its test and demo programs has been
cleaned.
Documentation needs updates.
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Methods Fl::event_x_pixel() and Fl::event_y_pixel() committed at r.10941
are removed. Instead method Fl_Gl_Window::pixels_per_unit() is added.
The documentation explains in more detail how to write cross-platform
FLTK code supporting high resolution OpenGL windows on retina displays.
The examples/OpenGL3test.cxx app exercises Fl_Gl_Window::pixels_per_unit().
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in pixel units that differ from FLTK units for OpenGL windows mapped to a retina display.
On non Mac OS platforms, these are synonyms of Fl::event_x() and Fl::event_y().
The example/OpenGL3test demo program is modified to call these new functions.
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On the X11/MSWindows platforms, this requires external installation of the GLEW library.
This fixes STR#3198 and STR#3257.
Added two new examples programs.
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This way someone hitting 'End' can see where the "cursor" is.
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This program can be used to verify that the FLTK runtime system
(ABI version) is binary compatible with the compiled and linked program.
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See also discussion in fltk.coredev of Sept 07, 2014 and later
with subject "Fixing the nearest-neighbour scaling".
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Albrecht Schlosser