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libgimpwidgets: add GimpSpinButton

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GimpSpinButton is a drop-in replacement for (and a subclass of)
GtkSpinButton.  Unlike GtkSpinButton, it avoids updating the
adjustment value when losing focus, unless the entry text has
changed.  This prevents accidental loss of precision, when the
adjustment value can't be accurately displayed in the entry.

Note that libgimpwidgets already defines a (deprecated)
gimp_spin_button_new() function.  This commit stays compatible with
the old function, by defining GimpSpinButton's _new() function as
gimp_spin_button_new_(), and defining a variadic
gimp_spin_button_new() macro, which expands to either the old or
the new function, based on the number of arguments, so that either
function can be used transparently as gimp_spin_button_new().  This
is all gone in master.
This commit is contained in:
Ell
2018-11-10 06:26:46 -05:00
parent 934d896fa8
commit d928ed7252
9 changed files with 345 additions and 0 deletions
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4
devel-docs/libgimpwidgets/libgimpwidgets-docs.sgml
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@ -136,6 +136,10 @@
<title>Index of new symbols in GIMP 2.10.4</title>
<xi:include href="xml/api-index-2.10.4.xml"><xi:fallback /></xi:include>
</index>
<index role="2.10.10" id="api-index-2-10-10">
<title>Index of new symbols in GIMP 2.10.10</title>
<xi:include href="xml/api-index-2.10.10.xml"><xi:fallback /></xi:include>
</index>
<index role="deprecated" id="api-index-deprecated">
<title>Index of deprecated symbols</title>
<xi:include href="xml/api-index-deprecated.xml"><xi:fallback /></xi:include>