52 lines
1.2 KiB
Markdown
52 lines
1.2 KiB
Markdown
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---
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title: darktable.gui.libs.metadata_view
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id: metadata_view
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weight: 250
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draft: false
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author: "people"
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---
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The widget displaying metadata about the current image
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Attributes:
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* [has_tostring](../../../Attributes#has_tostring)
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* [parent](../Attributes#parent) : [types.dt_lua_lib_t](../../../types/dt_lua_lib_t)
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## darktable.gui.libs.metadata_view.register_info
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```
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function(
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name : string,
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callback : function
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)
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```
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Register a field in the image information module with a callback function to update the field
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* **name** - _string_ - The name displayed for the new information
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* **callback** - _function_ - The function providing the info
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callback -
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```
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function(
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image : types.dt_lua_image_t
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) : string
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```
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* **image** - _[types.dt_lua_image_t](../../../types/dt_lua_image_t)_ - The image to analyze
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* **return** - _string_ - The extra information to display
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## darktable.gui.libs.metadata_view.destroy_info
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```
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function(
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name : string
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)
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```
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Remove the named field from the image information module and it's associated callback
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* **name** - _string_ - The name of the field, created by [darktable.gui.libs.metadata_view.register_info](#darktable.gui.libs.metadata_view.register_info), to remove
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