Michael Weghorn
f26084217a
In the past, weld.hxx used to contain the class definitions for weld::Widget and all subclasses. By now, weld::Widget and almost all subclasses have been moved to separate headers, to make it easier to keep the overview and to avoid having to recompile ~all UI code when one class changes. By now, only weld::Button is left in weld.hxx. Rename the header to Button.hxx. Drop weld.hxx includes and instead add Button.hxx includes (or weld::Button forward declarations) where weld::Button is used. (Don't simply replace all weld.hxx includes with Button.hxx ones, since many of them were for the use of other widgets that have since been moved to their own headers.) Add further includes where needed now that the (direct or transitive) includes of weld.hxx were removed. Change-Id: I8ea6201446a418d5e38b46337059dcd517ee29d7 Reviewed-on: https://gerrit.libreoffice.org/c/core/+/205937 Reviewed-by: Michael Weghorn <m.weghorn@posteo.de> Tested-by: Jenkins
LibreOffice Filters
Filter registration and some simple filters (also descriptions).
Desperate splitting of code into small shared libraries for historical
reasons presumably (OS/2 and Windows 3.x). The libraries produced from
the code in each subdirectory of filter/source/graphicfilter are
graphic format import or export filters. But they don't have uniform
API. Some have either a GraphicImport or GraphicExport entry point,
and are loaded and used in a uniform fashion from code in
svtools/source/filter/filter.cxx. Others have different API and are
loaded from other places. For instance icgm has ImportCGM, and is
loaded and used by sd/source/filter/cgm/sdcgmfilter.cxx (!).
Svgreader is used for "File -> Open" and then to choose the svg file.
For "Insert -> Picture -> From File", see svgio/source/svgreader directory.
Filter Configuration
The filter configuration consists of two parts, the type definition in
filter/source/config/fragments/types/ and the actual filter definition
in filter/source/config/fragments/filters/.
Each file type e.g. text file should be represented by exactly one type definition. This type can then be referenced by several different filters, e.g. calc text, writer text.