SearchContext

open class SearchContext(pointer: <Error class: unknown class><<Error class: unknown class>>)

Search context.

A GtkSourceSearchContext is used for the search and replace in a class@Buffer. The search settings are represented by a class@SearchSettings object. There can be a many-to-many relationship between buffers and search settings, with the search contexts in-between: a search settings object can be shared between several search contexts; and a buffer can contain several search contexts at the same time.

The total number of search occurrences can be retrieved with method@SearchContext.get_occurrences_count. To know the position of a certain match, use method@SearchContext.get_occurrence_position.

The buffer is scanned asynchronously, so it doesn't block the user interface. For each search, the buffer is scanned at most once. After that, navigating through the occurrences doesn't require to re-scan the buffer entirely.

To search forward, use method@SearchContext.forward or method@SearchContext.forward_async for the asynchronous version. The backward search is done similarly. To replace a search match, or all matches, use method@SearchContext.replace and method@SearchContext.replace_all.

The search occurrences are highlighted by default. To disable it, use method@SearchContext.set_highlight. You can enable the search highlighting for several GtkSourceSearchContexts attached to the same buffer. Moreover, each of those GtkSourceSearchContexts can have a different text style associated. Use method@SearchContext.set_match_style to specify the class@Style to apply on search matches.

Note that the property@SearchContext:highlight and property@SearchContext:match-style properties are in the GtkSourceSearchContext class, not class@SearchSettings. Appearance settings should be tied to one, and only one buffer, as different buffers can have different style scheme associated (a class@SearchSettings object can be bound indirectly to several buffers).

The concept of "current match" doesn't exist yet. A way to highlight differently the current match is to select it.

A search occurrence's position doesn't depend on the cursor position or other parameters. Take for instance the buffer "aaaa" with the search text "aa". The two occurrences are at positions 0:2 and 2:4. If you begin to search at position 1, you will get the occurrence 2:4, not 1:3. This is a prerequisite for regular expression searches. The pattern ".*" matches the entire line. If the cursor is at the middle of the line, you don't want the rest of the line as the occurrence, you want an entire line. (As a side note, regular expression searches can also match multiple lines.)

In the GtkSourceView source code, there is an example of how to use the search and replace API: see the tests/test-search.c file. It is a mini application for the search and replace, with a basic user interface.

Skipped during bindings generation

  • parameter has_wrapped_around: has_wrapped_around: Out parameter is not supported

  • parameter has_wrapped_around: has_wrapped_around: Out parameter is not supported

  • parameter has_wrapped_around: has_wrapped_around: Out parameter is not supported

  • parameter has_wrapped_around: has_wrapped_around: Out parameter is not supported

  • method match-style: Property TypeInfo of getter and setter do not match

Constructors

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constructor(buffer: Buffer, settings: SearchSettings? = null)

Creates a new search context, associated with @buffer, and customized with

constructor(pointer: <Error class: unknown class><<Error class: unknown class>>)

Types

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object Companion

Properties

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open val buffer: Buffer

The class@Buffer associated to the search context.

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val gtksourceSearchContextPointer: <Error class: unknown class><<Error class: unknown class>>
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open var highlight: Boolean

Highlight the search occurrences.

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The total number of search occurrences. If the search is disabled, the value is 0. If the buffer is not already fully scanned, the value is -1.

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open val regexError: <Error class: unknown class>?

If the regex search pattern doesn't follow all the rules, this #GError property will be set. If the pattern is valid, the value is null.

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The class@SearchSettings associated to the search context.

Functions

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open fun backwardAsync(iter: <Error class: unknown class>, cancellable: <Error class: unknown class>? = null, callback: <Error class: unknown class>)

The asynchronous version of method@SearchContext.backward.

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open fun forwardAsync(iter: <Error class: unknown class>, cancellable: <Error class: unknown class>? = null, callback: <Error class: unknown class>)

The asynchronous version of method@SearchContext.forward.

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open fun getBuffer(): Buffer
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open fun getHighlight(): Boolean
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open fun getMatchStyle(): Style
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open fun getOccurrencePosition(matchStart: <Error class: unknown class>, matchEnd: <Error class: unknown class>): Int

Gets the position of a search occurrence.

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Gets the total number of search occurrences.

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open fun getRegexError(): <Error class: unknown class>?

Regular expression patterns must follow certain rules. If property@SearchSettings:search-text breaks a rule, the error can be retrieved with this function.

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open fun replace(matchStart: <Error class: unknown class>, matchEnd: <Error class: unknown class>, replace: String, replaceLength: Int): <Error class: unknown class><Boolean>

Replaces a search match by another text. If @match_start and @match_end doesn't correspond to a search match, false is returned.

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open fun replaceAll(replace: String, replaceLength: Int): <Error class: unknown class><<Error class: unknown class>>

Replaces all search matches by another text.

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open fun setHighlight(highlight: Boolean)

Enables or disables the search occurrences highlighting.

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open fun setMatchStyle(matchStyle: Style? = null)

Set the style to apply on search matches.