This is compatible with future scaling factors applicable to the GUI.
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Previously the X11 platform got an Fl_Shared_Image whereas other got an Fl_RGB_Image,
which made image deletion difficult. Now all platforms get an Fl_RGB_Image object.
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This #includes some headers that are #included in FLTK headers.
Although this is strictly not necessary, it removes assumptions that
these header files are included by FLTK headers.
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This depth was set to 4 at r.10999 to help dealing with images of windows with rounded
corners. But it was not such a good idea to have an image depth that changes with the platform.
For example, the shapedwindow example program was made more complicated.
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Now that Fl_Image_Surface can produce a depth-4 image, it is necessary
to control the A component of the image for the window shape to be correct.
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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.
git-svn-id: file:///fltk/svn/fltk/branches/branch-1.3@10712 ea41ed52-d2ee-0310-a9c1-e6b18d33e121
See also discussion in fltk.coredev of Sept 07, 2014 and later
with subject "Fixing the nearest-neighbour scaling".
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that gives a non-rectangular shape to a standard window. The benefit is that it works with Fl_Double_Window and Fl_Menu_Window as well.
It also works for free with Fl_Gl_Window on the X11 platform only.
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as noted by Albrecht on fltk.coredev today;
was giving warnings with Windows/MinGW builds.
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Use show(argc,argv) to enable command line arguments and colors,
fix indentation, Windows compilation warnings, and change tab
selection color, which was too dark on my Win7 system (low
contrast with tab labels).
I also added #define TAB_COLOR to make changing the tab selection
colors easier, if needed.
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The new class is fully Doxygen-documented.
Added an example program (example/shapedwindow.cxx) that exercises the new class.
Modified all IDE-supporting files accordingly.
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Added Fl_Image_Surface class to draw into an Fl_Image object.
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a volatile method that can be overridden by
subclasses to take drawing control of tree item's content.
This replaces the old "item_draw_callback()" technique
added a few months ago as an ABI feature; turned out the
new technique is a better way to go.
o The examples/tree-custom-draw-items.cxx demo adjusted
accordingly.
o Added missing docs for some methods that had none,
including label_[xywh]().
o Added related methods needed to implement this, including:
Fl_Tree_Item_Array::replace()
Fl_Tree_Item::replace()
Fl_Tree::root(item)
Fl_Tree::add() variations
Fl_Tree_Item::drawbgcolor()/drawfgcolor()
o Carefully worked the FLTK_ABI_VERSION macros so as to be
ABI compatible with 1.3.0.
o Verified 1.3.0 ABI compatibility with ABI Compliance Checker 1.99.8.5:
http://ispras.linuxbase.org/index.php/ABI_compliance_checker
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o Added examples/tree-custom-draw-items.cxx to demonstrate its use.
o Fixed small doc error for recent Fl_Tree::get_selected_items()
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before all other items have first been deselected.
Also: added some related demo code to tree-simple to demonstrate
'reselect' callbacks, where a callback can be invoked when an item
that's selected already is 're-selected'.
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o Prevent Fl_Output from erasing if value unchanged (allows text selection
and keyboard nav of the Fl_Output widget..)
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Based on an example I'd added to STR#1739 to demo someone's patch.
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o Changed behavior of example to be more predictable
o Enter key can be used to toggle edit mode
o User can navigate table cells with arrow keys or tab/shift-tab without slipping into cell edit mode
o Fixed other issues with Alt, Shift, multicell selection..
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o Replaced hard coded row/col counts.
o Enabled arrow keyboard navigation (setting Fl::OPTION_ARROW_FOCUS)
o Fixed small bug in handle() that was calling Fl_Table::handle() instead of Fl_Table_Row::handle()
that was preventing Fl_Table_Row's row selection from working..
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This example was written before 1.3, and was dependent on the 'old' FLTK behavior
where arrow keys could be used to navigate widget focus (in addition to Tab).
The 'new' FLTK behavior (1.3 and up) disables arrow key focus nav by default,
which is bad for this program, so we enable the old FLTK behavior with Fl::option().
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of a tree with custom resizing behavior, selectable contents, etc.
Also demonstrates the need for the new FL_TREE_ITEM_HEIGHT_FROM_WIDGET feature.
git-svn-id: file:///fltk/svn/fltk/branches/branch-1.3@9405 ea41ed52-d2ee-0310-a9c1-e6b18d33e121
o Fix STR#2828 (E): {Vertical|Widget} Gap
o Moved Fabien's reselected methods to Fl_Tree_Prefs,
return method made const, doxygen, removed underbars from methods
(to follow general API)
o Widgets can now appear to the right of labels.
This can be controlled with item_draw_mode(FL_TREE_ITEM_DRAW_LABEL_AND_WIDGET)
o Cleaned up Fl_Tree_Item::draw(), Fl_Tree::draw()
o New methods:
marginbottom() -- [ABI feature] extra space below last tree element when scrolling
widgetmarginleft() -- [ABI feature] space to left of widget
usericonmarginleft() -- space to left of usericon
labelmarginleft() -- space to left of label
item_draw_mode() -- control how items, widget() are drawn
o Updated Fl_Tree docs, tree-elements.png
o test/tree: added sliders to test the above new features,
added "open all" and "close all" buttons
o Probably other stuff..
TODO: Fix "scroll-beyond-bottom" (STR#2796)
TODO: Fix other items in STR#2828
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o Don't draw FLTK widgets outside tree's viewport.
o Added tree-as-container.cxx example program, demos tree
w/50k tree items each with 6 widgets (300k total)
git-svn-id: file:///fltk/svn/fltk/branches/branch-1.3@9356 ea41ed52-d2ee-0310-a9c1-e6b18d33e121
(as per a question on the newsgroup about how to do this..)
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