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<strong>Xlib</strong> − C LibraryX11, Release 6.7 DRAFTStatus XrmCombineFileDatabase(filename, target_db, override)char *filename;XrmDatabase *target_db;Bool override;filenametarget_dboverrideSpecifies the resource database file name.Specifies the resource database into which the source database is to be merged.Specifies whether source entries override target ones.The XrmCombineFileDatabase function merges the contents of a resource file into a database.If the same specifier is used for an entry in both the file and the database, the entry in the file willreplace the entry in the database if override is True; otherwise, the entry in the file is discarded.The file is parsed in the current locale. If the file cannot be read, a zero status is returned; otherwise,a nonzero status is returned. If target_db contains NULL, XrmCombineFileDatabase createsand returns a new database to it. Otherwise, the database pointed to by target_db is notdestroyed by the merge. The database entries are merged without changing values or types,regardless of the locale of the database. The locale of the target database is not modified.To merge the contents of one database into another database, use XrmCombineDatabase.void XrmCombineDatabase(source_db, target_db, override)XrmDatabase source_db, *target_db;Bool override;source_dbtarget_dboverrideSpecifies the resource database that is to be merged into the target database.Specifies the resource database into which the source database is to be merged.Specifies whether source entries override target ones.The XrmCombineDatabase function merges the contents of one database into another. Ifthesame specifier is used for an entry in both databases, the entry in the source_db will replace theentry in the target_db if override is True; otherwise, the entry in source_db is discarded. If target_dbcontains NULL, XrmCombineDatabase simply stores source_db in it. Otherwise,source_db is destroyed by the merge, but the database pointed to by target_db is not destroyed.The database entries are merged without changing values or types, regardless of the locales of thedatabases. The locale of the target database is not modified.To merge the contents of one database into another database with override semantics, use Xrm-MergeDatabases.void XrmMergeDatabases(source_db, target_db)XrmDatabase source_db, *target_db;source_dbtarget_dbSpecifies the resource database that is to be merged into the target database.Specifies the resource database into which the source database is to be merged.Calling the XrmMergeDatabases function is equivalent to calling the XrmCombineDatabasefunction with an override argument of True.391
<strong>Xlib</strong> − C LibraryX11, Release 6.7 DRAFT15.6. Looking Up ResourcesTo retrieve a resource from a resource database, use XrmGetResource, XrmQGetResource, orXrmQGetSearchResource.Bool XrmGetResource(database, str_name, str_class, str_type_return, value_return)XrmDatabase database;char *str_name;char *str_class;char **str_type_return;XrmValue *value_return;databasestr_namestr_classSpecifies the database that is to be used.Specifies the fully qualified name of the value being retrieved (as a string).Specifies the fully qualified class of the value being retrieved (as a string).str_type_returnReturns the representation type of the destination (as a string).value_returnReturns the value in the database.Bool XrmQGetResource(database, quark_name, quark_class, quark_type_return, value_return)XrmDatabase database;XrmNameList quark_name;XrmClassList quark_class;XrmRepresentation *quark_type_return;XrmValue *value_return;databasequark_namequark_classSpecifies the database that is to be used.Specifies the fully qualified name of the value being retrieved (as a quark).Specifies the fully qualified class of the value being retrieved (as a quark).quark_type_returnReturns the representation type of the destination (as a quark).value_returnReturns the value in the database.The XrmGetResource and XrmQGetResource functions retrieve a resource from the specifieddatabase. Both take afully qualified name/class pair, adestination resource representation, andthe address of a value (size/address pair). The value and returned type point into database memory;therefore, you must not modify the data.The database only frees or overwrites entries on XrmPutResource, XrmQPutResource, orXrmMergeDatabases. Aclient that is not storing new values into the database or is not mergingthe database should be safe using the address passed back at any time until it exits. If aresourcewas found, both XrmGetResource and XrmQGetResource return True; otherwise, they returnFalse.392
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AcknowledgmentsThe design and imple
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Release 6Stephen Gildea (X Consorti
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Xlib − C LibraryX11, Release 6.7
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4.2. Translating Screen Coordinates
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10.7. Input Focus Events . . . . .
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13.5.6.1. Input Style . . . . . . .
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