1real_darktable = require "darktable"
2require "darktable.debug"
3local tmp_node
4
5local function sorted_pairs (t, f)
6  local a = {}
7  for n in pairs(t) do table.insert(a, n) end
8  table.sort(a, f)
9  local i = 0      -- iterator variable
10  local iter = function ()   -- iterator function
11    i = i + 1
12    if a[i] == nil then return nil
13    else return a[i], t[a[i]]
14    end
15  end
16  return iter
17end
18
19
20---------------------
21-- check for generator functions
22---------------------
23for _,v in pairs({"node_to_string","para","startlist","listel","endlist","code","emphasis","url"})   do
24	if _ENV[v]== nil then
25		error("function '"..v.."' not defined when requiring content")
26	end
27end
28---------------------
29-- check for database content
30---------------------
31if  #real_darktable.database == 0 then
32	error("The database needs to contain at least one image to generate documentation")
33end
34if  #real_darktable.styles == 0 then
35	error("The database needs to contain at least one style to generate documentation")
36end
37
38real_darktable.gui.libs.collect.filter({})
39
40doc = require "core"
41darktable = doc.toplevel.darktable
42types = doc.toplevel.types
43events = doc.toplevel.events
44attributes = doc.toplevel.attributes
45
46
47local function my_tostring(obj)
48	if not obj then
49		error("incorrect object")
50	end
51	return tostring(obj)
52end
53
54local function remove_all_children(node)
55	for k, v in node:all_children() do
56		v:remove_parent(node)
57		node[k] = nil
58	end
59end
60-- prevent some objects to appear at the wrong end of the tree
61remove_all_children(types.dt_lua_lib_t.views)
62
63----------------------
64--  REANAMINGS      --
65----------------------
66
67----------------------
68--  TOPLEVEL        --
69----------------------
70local prefix
71if real_darktable.configuration.api_version_suffix ~= "" then
72  prefix = [[This documentation is for the *development* version of darktable. for the stable version, please visit the user manual]]..para()
73else
74  prefix = ""
75end
76doc.toplevel:set_text(prefix..[[To access the darktable specific functions you must load the darktable environment:]]..
77code([[darktable = require "darktable"]])..
78[[All functions and data are accessed through the darktable module.]]..para()..
79[[This documentation for API version ]]..real_darktable.configuration.api_version_string..[[.]])
80----------------------
81--  DARKTABLE       --
82----------------------
83darktable:set_text([[The darktable library is the main entry point for all access to the darktable internals.]])
84darktable.print:set_text([[Will print a string to the darktable control log (the long overlaid window that appears over the main panel).]])
85darktable.print:add_parameter("message","string",[[The string to display which should be a single line.]])
86
87darktable.print_log:set_text([[This function will print its parameter if the Lua logdomain is activated. Start darktable with the "-d lua" command line option to enable the Lua logdomain.]])
88darktable.print_log:add_parameter("message","string",[[The string to display.]])
89darktable.print_error:set_text([[This function is similar to]]..my_tostring(darktable.print_log)..[[ but adds an ERROR prefix for clarity.]])
90darktable.print_error:add_parameter("message","string",[[The string to display.]])
91
92darktable.register_event:set_text([[This function registers a callback to be called when a given event happens.]]..para()..
93[[Events are documented ]]..node_to_string(events,[[in the event section.]]))
94darktable.register_event:add_parameter("event_type","string",[[The name of the event to register to.]])
95darktable.register_event:add_parameter("callback","function",[[The function to call on event. The signature of the function depends on the type of event.]])
96darktable.register_event:add_parameter("...","variable",[[Some events need extra parameters at registration time; these must be specified here.]])
97
98darktable.register_storage:set_text([[This function will add a new storage implemented in Lua.]]..para()..
99[[A storage is a module that is responsible for handling images once they have been generated during export. Examples of core storages include filesystem, e-mail, facebook...]])
100darktable.register_storage:add_parameter("plugin_name","string",[[A Unique name for the plugin.]])
101darktable.register_storage:add_parameter("name","string",[[A human readable name for the plugin.]])
102tmp_node = darktable.register_storage:add_parameter("store","function",[[This function is called once for each exported image. Images can be exported in parallel but the calls to this function will be serialized.]])
103tmp_node:set_attribute("optional",true)
104tmp_node:add_parameter("storage",types.dt_imageio_module_storage_t,[[The storage object used for the export.]])
105tmp_node:add_parameter("image",types.dt_lua_image_t,[[The exported image object.]])
106tmp_node:add_parameter("format",types.dt_imageio_module_format_t,[[The format object used for the export.]])
107tmp_node:add_parameter("filename","string",[[The name of a temporary file where the processed image is stored.]])
108tmp_node:add_parameter("number","integer",[[The number of the image out of the export series.]])
109tmp_node:add_parameter("total","integer",[[The total number of images in the export series.]])
110tmp_node:add_parameter("high_quality","boolean",[[True if the export is high quality.]])
111tmp_node:add_parameter("extra_data","table",[[An empty Lua table to take extra data. This table is common to the initialize, store and finalize calls in an export series.]])
112tmp_node = darktable.register_storage:add_parameter("finalize","function",[[This function is called once all images are processed and all store calls are finished.]])
113tmp_node:set_attribute("optional",true)
114tmp_node:add_parameter("storage",types.dt_imageio_module_storage_t,[[The storage object used for the export.]])
115tmp_node:add_parameter("image_table","table",[[A table keyed by the exported image objects and valued with the corresponding temporary export filename.]])
116tmp_node:add_parameter("extra_data","table",[[An empty Lua table to store extra data. This table is common to all calls to store and the call to finalize in a given export series.]])
117tmp_node = darktable.register_storage:add_parameter("supported","function",[[A function called to check if a given image format is supported by the Lua storage; this is used to build the dropdown format list for the GUI.]]..para()..
118[[Note that the parameters in the format are the ones currently set in the GUI; the user might change them before export.]])
119tmp_node:set_attribute("optional",true)
120tmp_node:add_parameter("storage",types.dt_imageio_module_storage_t,[[The storage object tested.]])
121tmp_node:add_parameter("format",types.dt_imageio_module_format_t,[[The format object to report about.]])
122tmp_node:add_return("boolean",[[True if the corresponding format is supported.]])
123tmp_node = darktable.register_storage:add_parameter("initialize","function",[[A function called before storage happens]]..para()..
124[[This function can change the list of exported functions]])
125tmp_node:set_attribute("optional",true)
126tmp_node:add_parameter("storage",types.dt_imageio_module_storage_t,[[The storage object tested.]])
127tmp_node:add_parameter("format",types.dt_imageio_module_format_t,[[The format object to report about.]])
128tmp_node:add_parameter("images","table of "..my_tostring(types.dt_lua_image_t),[[A table containing images to be exported.]])
129tmp_node:add_parameter("high_quality","boolean",[[True if the export is high quality.]])
130tmp_node:add_parameter("extra_data","table",[[An empty Lua table to take extra data. This table is common to the initialize, store and finalize calls in an export series.]])
131tmp_node:add_return("table or nil",[[The modified table of images to export or nil]]..para()..
132[[If nil (or nothing) is returned, the original list of images will be exported]]..para()..
133[[If a table of images is returned, that table will be used instead. The table can be empty. The images parameter can be modified and returned]])
134darktable.register_storage:add_parameter("widget",types.lua_widget,[[A widget to display in the export section of darktable's UI]]):set_attribute("optional",true)
135darktable.register_lib:set_text("Register a new lib object. A lib is a graphical element of darktable's user interface")
136darktable.register_lib:add_parameter("plugin_name","string","A unique name for your library")
137darktable.register_lib:add_parameter("name","string","A user-visible name for your library")
138darktable.register_lib:add_parameter("expandable","boolean","whether this lib should be expandable or not")
139darktable.register_lib:add_parameter("resettable","boolean","whether this lib has a reset button or not")
140darktable.register_lib:add_parameter("containers","table of "..my_tostring(types.dt_lua_view_t).." => [ "..my_tostring(types.dt_ui_container_t)..", int ]","A table associating to each view containing the lib the corresponding container and position")
141darktable.register_lib:add_parameter("widget",types.lua_widget,"The widget to display in the lib")
142tmp = darktable.register_lib:add_parameter("view_enter","function","A callback called when a view displaying the lib is entered")
143tmp:add_parameter("self",types.dt_lua_lib_t,"The lib on which the callback is called"):set_attribute("is_self",true)
144tmp:add_parameter("old_view",types.dt_lua_view_t,"The view that we are leaving")
145tmp:add_parameter("new_view",types.dt_lua_view_t,"The view that we are entering")
146tmp = darktable.register_lib:add_parameter("view_leave","function","A callback called when leaving a view displaying the lib")
147tmp:add_parameter("self",types.dt_lua_lib_t,"The lib on which the callback is called"):set_attribute("is_self",true)
148tmp:add_parameter("old_view",types.dt_lua_view_t,"The view that we are leaving")
149tmp:add_parameter("new_view",types.dt_lua_view_t,"The view that we are entering")
150
151
152
153darktable.films:set_text([[A table containing all the film objects in the database.]])
154darktable.films['#']:set_text([[Each film has a numeric entry in the database.]])
155darktable.films.new:set_text([[Creates a new empty film]]..para()..
156[[ see ]]..my_tostring(darktable.database.import)..[[ to import a directory with all its images and to add images to a film]])
157darktable.films.new:add_parameter("directory","string",[[The directory that the new film will represent. The directory must exist]])
158darktable.films.new:add_return(types.dt_lua_film_t,"The newly created film, or the existing film if the directory is already imported")
159
160darktable.new_format:set_text("Creates a new format object to export images")
161tmp =""
162for k,v in sorted_pairs(debug.getregistry().dt_lua_modules.format) do
163  tmp = tmp..listel(k)
164end
165darktable.new_format:add_parameter("type","string",[[The type of format object to create, one of : ]]..  startlist().. tmp..endlist())
166darktable.new_format:add_return(types.dt_imageio_module_format_t,"The newly created object. Exact type depends on the type passed")
167
168darktable.new_storage:set_text("Creates a new storage object to export images")
169tmp =""
170for k,v in sorted_pairs(debug.getregistry().dt_lua_modules.storage) do
171  tmp = tmp..listel(k)
172end
173darktable.new_storage:add_parameter("type","string",[[The type of storage object to create, one of : ]]..  startlist().. tmp..endlist().."(Other, lua-defined, storage types may appear.)")
174darktable.new_storage:add_return(types.dt_imageio_module_storage_t,"The newly created object. Exact type depends on the type passed")
175
176darktable.new_widget:set_text("Creates a new widget object to display in the UI")
177tmp =""
178for k,v in sorted_pairs(debug.getregistry().dt_lua_modules.widget) do
179  tmp = tmp..listel(k)
180end
181darktable.new_widget:add_parameter("type","string",[[The type of storage object to create, one of : ]]..  startlist().. tmp..endlist())
182darktable.new_widget:add_parameter("...","variable",[[Extra parameters, exact value are documented with each type]])
183darktable.new_widget:add_return(types.lua_widget,"The newly created object. Exact type depends on the type passed")
184----------------------
185--  DARKTABLE.GUI   --
186----------------------
187darktable.gui:set_text([[This subtable contains function and data to manipulate the darktable user interface with Lua.]]..para()..
188[[Most of these function won't do anything if the GUI is not enabled (i.e you are using the command line version darktable-cli instead of darktable).]])
189
190darktable.gui.action_images:set_text([[A table of ]]..my_tostring(types.dt_lua_image_t)..[[ on which the user expects UI actions to happen.]]..para()..
191[[It is based on both the hovered image and the selection and is consistent with the way darktable works.]]..para()..
192[[It is recommended to use this table to implement Lua actions rather than ]]..my_tostring(darktable.gui.hovered)..[[ or ]]..my_tostring(darktable.gui.selection)..[[ to be consistent with darktable's GUI.]])
193
194remove_all_children(darktable.gui.action_images)
195
196darktable.gui.hovered:set_text([[The image under the cursor or nil if no image is hovered.]])
197darktable.gui.hovered:set_reported_type(types.dt_lua_image_t)
198darktable.gui.selection:set_text([[Allows to change the set of selected images.]])
199darktable.gui.selection:add_parameter("selection","table of "..my_tostring(types.dt_lua_image_t),[[A table of images which will define the selected images. If this parameter is not given the selection will be untouched. If an empty table is given the selection will be emptied.]]):set_attribute("optional",true)
200darktable.gui.selection:add_return("table of "..my_tostring(types.dt_lua_image_t),[[A table containing the selection as it was before the function was called.]])
201darktable.gui.selection:set_attribute("implicit_yield",true)
202darktable.gui.current_view:set_text([[Allows to change the current view.]])
203darktable.gui.current_view:add_parameter("view",types.dt_lua_view_t,[[The view to switch to. If empty the current view is unchanged]]):set_attribute("optional",true)
204darktable.gui.current_view:add_return(types.dt_lua_view_t,[[the current view]])
205darktable.gui.create_job:set_text([[Create a new progress_bar displayed in ]]..my_tostring(darktable.gui.libs.backgroundjobs))
206darktable.gui.create_job:add_parameter("text","string",[[The text to display in the job entry]])
207darktable.gui.create_job:add_parameter("percentage","boolean",[[Should a progress bar be displayed]]):set_attribute("optional",true)
208tmp = darktable.gui.create_job:add_parameter("cancel_callback","function",[[A function called when the cancel button for that job is pressed]]..para().."note that the job won't be destroyed automatically. You need to set "..my_tostring(types.dt_lua_backgroundjob_t.valid).." to false for that")
209tmp:set_attribute("optional",true)
210tmp:add_parameter("job",types.dt_lua_backgroundjob_t,[[The job who is being cancelled]])
211darktable.gui.create_job:add_return(types.dt_lua_backgroundjob_t,[[The newly created job object]])
212
213-------------------------
214--  DARKTABLE.GUIDES   --
215-------------------------
216darktable.guides:set_text([[Guide lines to overlay over an image in crop and rotate.]]..para()..[[All guides are clipped to the drawing area.]])
217darktable.guides.register_guide:set_text([[Register a new guide.]])
218darktable.guides.register_guide:add_parameter("name", "string", [[The name of the guide to show in the GUI.]])
219tmp_node = darktable.guides.register_guide:add_parameter("draw_callback", "function", [[The function to call to draw the guide lines. The drawn lines will be stroked by darktable.]]..para()..[[THIS IS RUNNING IN THE GUI THREAD AND HAS TO BE FAST!]])
220tmp_node:add_parameter("cr", types.dt_lua_cairo_t, [[The cairo object used for drawing.]])
221tmp_node:add_parameter("x", "float", [[The x coordinate of the top left corner of the drawing area.]])
222tmp_node:add_parameter("y", "float", [[The y coordinate of the top left corner of the drawing area.]])
223tmp_node:add_parameter("width", "float", [[The width of the drawing area.]])
224tmp_node:add_parameter("height", "float", [[The height of the drawing area.]])
225tmp_node:add_parameter("zoom_scale", "float", [[The current zoom_scale. Only needed when setting the line thickness.]])
226darktable.guides.register_guide:add_parameter("gui_callback", "function", [[A function returning a widget to show when the guide is selected. It takes no arguments.]]):set_attribute("optional",true)
227
228----------------------
229--  DARKTABLE.TAGS  --
230----------------------
231darktable.tags:set_text([[Allows access to all existing tags.]])
232
233darktable.tags["#"]:set_text([[Each existing tag has a numeric entry in the tags table - use ipairs to iterate over them.]])
234darktable.tags.create:set_text([[Creates a new tag and return it. If the tag exists return the existing tag.]])
235darktable.tags.create:add_parameter("name","string",[[The name of the new tag.]])
236darktable.tags.find:set_text([[Returns the tag object or nil if the tag doesn't exist.]])
237darktable.tags.find:add_parameter("name","string",[[The name of the tag to find.]])
238darktable.tags.find:add_return(types.dt_lua_tag_t,[[The tag object or nil.]])
239darktable.tags.delete:set_text([[Deletes the tag object, detaching it from all images.]])
240darktable.tags.delete:add_parameter("tag",types.dt_lua_tag_t,[[The tag to be deleted.]])
241darktable.tags.delete:set_main_parent(darktable.tags)
242darktable.tags.attach:set_text([[Attach a tag to an image; the order of the parameters can be reversed.]])
243darktable.tags.attach:add_parameter("tag",types.dt_lua_tag_t,[[The tag to be attached.]])
244darktable.tags.attach:add_parameter("image",types.dt_lua_image_t,[[The image to attach the tag to.]])
245darktable.tags.attach:set_main_parent(darktable.tags)
246darktable.tags.detach:set_text([[Detach a tag from an image; the order of the parameters can be reversed.]])
247darktable.tags.detach:add_parameter("tag",types.dt_lua_tag_t,[[The tag to be detached.]])
248darktable.tags.detach:add_parameter("image",types.dt_lua_image_t,[[The image to detach the tag from.]])
249darktable.tags.detach:set_main_parent(darktable.tags)
250darktable.tags.get_tags:set_text([[Gets all tags attached to an image.]])
251darktable.tags.get_tags:add_parameter("image",types.dt_lua_image_t,[[The image to get the tags from.]])
252darktable.tags.get_tags:add_return("table of "..my_tostring(types.dt_lua_tag_t),[[A table of tags that are attached to the image.]])
253darktable.tags.get_tags:set_main_parent(darktable.tags)
254
255------------------------------
256--  DARKTABLE.CONFIGURATION --
257------------------------------
258darktable.configuration:set_text([[This table regroups values that describe details of the configuration of darktable.]])
259darktable.configuration.version:set_text([[The version number of darktable.]])
260darktable.configuration.has_gui:set_text([[True if darktable has a GUI (launched through the main darktable command, not darktable-cli).]])
261darktable.configuration.verbose:set_text([[True if the Lua logdomain is enabled.]])
262darktable.configuration.tmp_dir:set_text([[The name of the directory where darktable will store temporary files.]])
263darktable.configuration.config_dir:set_text([[The name of the directory where darktable will find its global configuration objects (modules).]])
264darktable.configuration.cache_dir:set_text([[The name of the directory where darktable will store its mipmaps.]])
265darktable.configuration.api_version_major:set_text([[The major version number of the lua API.]])
266darktable.configuration.api_version_minor:set_text([[The minor version number of the lua API.]])
267darktable.configuration.api_version_patch:set_text([[The patch version number of the lua API.]])
268darktable.configuration.api_version_suffix:set_text([[The version suffix of the lua API.]])
269darktable.configuration.api_version_string:set_text([[The version description of the lua API. This is a string compatible with the semantic versioning convention]])
270darktable.configuration.running_os:set_text([[The name of the Operating system darktable is currently running on]])
271darktable.configuration.check_version:set_text([[Check that a module is compatible with the running version of darktable]]..para().."Add the following line at the top of your module : "..
272code("darktable.configuration.check(...,{M,m,p},{M2,m2,p2})").."To document that your module has been tested with API version M.m.p and M2.m2.p2."..para()..
273"This will raise an error if the user is running a released version of DT and a warning if he is running a development version"..para().."(the ... here will automatically expand to your module name if used at the top of your script")
274darktable.configuration.check_version:add_parameter("module_name","string","The name of the module to report on error")
275darktable.configuration.check_version:add_parameter("...","table...","Tables of API versions that are known to work with the script")
276
277
278-----------------------------
279--  DARKTABLE.PREFERENCES  --
280-----------------------------
281darktable.preferences:set_text([[Lua allows you to manipulate preferences. Lua has its own namespace for preferences and you can't access nor write normal darktable preferences.]]..para()..
282[[Preference handling functions take a _script_ parameter. This is a string used to avoid name collision in preferences (i.e namespace). Set it to something unique, usually the name of the script handling the preference.]]..para()..
283[[Preference handling functions can't guess the type of a parameter. You must pass the type of the preference you are handling. ]]..para()..
284[[Note that the directory, enum, lua and file type preferences are stored internally as string. The user can only select valid values, but a lua script can set it to any string]])
285
286
287darktable.preferences.register:set_text([[Creates a new preference entry in the Lua tab of the preference screen. If this function is not called the preference can't be set by the user (you can still read and write invisible preferences).]])
288darktable.preferences.register:add_parameter("script","string",[[Invisible prefix to guarantee unicity of preferences.]])
289darktable.preferences.register:add_parameter("name","string",[[A unique name used with the script part to identify the preference.]])
290darktable.preferences.register:add_parameter("type",types.lua_pref_type,[[The type of the preference - one of the string values described above.]])
291darktable.preferences.register:add_parameter("label","string",[[The label displayed in the preference screen.]])
292darktable.preferences.register:add_parameter("tooltip","string",[[The tooltip to display in the preference menu.]])
293darktable.preferences.register:add_parameter("default","depends on type",[[Default value to use when not set explicitly or by the user.]]..para().."For the enum type of pref, this is mandatory"):set_attribute("optional",true)
294darktable.preferences.register:add_parameter("min","int or float",[[Minimum value (integer and float preferences only).]]):set_attribute("optional",true)
295darktable.preferences.register:add_parameter("max","int or float",[[Maximum value (integer and float preferences only).]]):set_attribute("optional",true)
296darktable.preferences.register:add_parameter("step","float",[[Step of the spinner (float preferences only).]]):set_attribute("optional",true)
297darktable.preferences.register:add_parameter("values","string...",[[Other allowed values (enum preferences only)]]):set_attribute("optional",true)
298darktable.preferences.register:add_parameter("wiget",types.lua_widget,[[The widget to use in preference(lua preferences only)]]):set_attribute("optional",true)
299tmp = darktable.preferences.register:add_parameter("set_callback","function",[[A function called when the widget needs to be updated from the preference]])
300tmp:set_attribute("optional",true)
301tmp:add_parameter("widget",types.lua_widget,"The widget to update")
302
303darktable.preferences.read:set_text([[Reads a value from a Lua preference.]])
304darktable.preferences.read:add_parameter("script","string",[[Invisible prefix to guarantee unicity of preferences.]])
305darktable.preferences.read:add_parameter("name","string",[[The name of the preference displayed in the preference screen.]])
306darktable.preferences.read:add_parameter("type",types.lua_pref_type,[[The type of the preference.]])
307darktable.preferences.read:add_return("depends on type",[[The value of the preference.]])
308
309darktable.preferences.write:set_text([[Writes a value to a Lua preference.]])
310darktable.preferences.write:add_parameter("script","string",[[Invisible prefix to guarantee unicity of preferences.]])
311darktable.preferences.write:add_parameter("name","string",[[The name of the preference displayed in the preference screen.]])
312darktable.preferences.write:add_parameter("type",types.lua_pref_type,[[The type of the preference.]])
313darktable.preferences.write:add_parameter("value","depends on type",[[The value to set the preference to.]])
314
315
316-----------------------
317--  DARKTABLE.STYLES --
318-----------------------
319
320darktable.styles:set_text([[This pseudo table allows you to access and manipulate styles.]])
321
322darktable.styles["#"]:set_text([[Each existing style has a numeric index; you can iterate them using ipairs.]])
323
324darktable.styles.create:set_text([[Create a new style based on an image.]])
325darktable.styles.create:add_parameter("image",types.dt_lua_image_t,[[The image to create the style from.]])
326darktable.styles.create:add_parameter("name","string",[[The name to give to the new style.]])
327darktable.styles.create:add_parameter("description","string",[[The description of the new style.]]):set_attribute("optional")
328darktable.styles.create:add_return(types.dt_style_t,[[The new style object.]])
329darktable.styles.create:set_main_parent(darktable.styles)
330
331darktable.styles.delete:set_text([[Deletes an existing style.]])
332darktable.styles.delete:add_parameter("style",types.dt_style_t,[[the style to delete]])
333darktable.styles.delete:set_main_parent(darktable.styles)
334
335darktable.styles.duplicate:set_text([[Create a new style based on an existing style.]])
336darktable.styles.duplicate:add_parameter("style",types.dt_style_t,[[The style to base the new style on.]])
337darktable.styles.duplicate:add_parameter("name","string",[[The new style's name.]])
338darktable.styles.duplicate:add_parameter("description","string",[[The new style's description.]]):set_attribute("optional")
339darktable.styles.duplicate:add_return(types.dt_style_t,[[The new style object.]])
340darktable.styles.duplicate:set_main_parent(darktable.styles)
341
342darktable.styles.apply:set_text([[Apply a style to an image. The order of parameters can be inverted.]])
343darktable.styles.apply:add_parameter("style",types.dt_style_t,[[The style to use.]])
344darktable.styles.apply:add_parameter("image",types.dt_lua_image_t,[[The image to apply the style to.]])
345darktable.styles.apply:set_main_parent(darktable.styles)
346
347darktable.styles.import:set_text([[Import a style from an external .dtstyle file]])
348darktable.styles.import:add_parameter("filename","string","The file to import");
349darktable.styles.import:set_main_parent(darktable.styles)
350
351darktable.styles.export:set_text([[Export a style to an external .dtstyle file]])
352darktable.styles.export:add_parameter("style",types.dt_style_t,"The style to export");
353darktable.styles.export:add_parameter("directory","string","The directory to export to");
354darktable.styles.export:add_parameter("overwrite","boolean","Is overwriting an existing file allowed"):set_attribute("optional")
355darktable.styles.export:set_main_parent(darktable.styles)
356-------------------------
357--  DARKTABLE.DATABASE --
358-------------------------
359
360darktable.database:set_text([[Allows to access the database of images. Note that duplicate images (images with the same RAW but different XMP) will appear multiple times with different duplicate indexes. Also note that all images are here. This table is not influenced by any GUI filtering (collections, stars etc...).]])
361
362
363darktable.database["#"]:set_text([[Each image in the database appears with a numerical index; you can iterate them using ipairs.]])
364darktable.database.duplicate:set_text([[Creates a duplicate of an image and returns it.]])
365darktable.database.duplicate:add_parameter("image",types.dt_lua_image_t,[[the image to duplicate]])
366darktable.database.duplicate:add_return(types.dt_lua_image_t,[[The new image object.]])
367darktable.database.duplicate:set_main_parent(darktable.database)
368
369darktable.database.import:set_text([[Imports new images into the database.]])
370darktable.database.import:add_parameter("location","string",[[The filename or directory to import images from.
371
372NOTE: If the images are set to be imported recursively in preferences only the toplevel film is returned (the one whose path was given as a parameter).
373
374NOTE2: If the parameter is a directory the call is non-blocking; the film object will not have the newly imported images yet. Use a post-import-film filtering on that film to react when images are actually imported.
375
376
377]])
378darktable.database.import:add_return(types.dt_lua_image_t,[[The created image if an image is imported or the toplevel film object if a film was imported.]])
379darktable.database.move_image:set_text([[Physically moves an image (and all its duplicates) to another film.]]..para()..
380[[This will move the image file, the related XMP and all XMP for the duplicates to the directory of the new film]]..para()..
381[[Note that the parameter order is not relevant.]])
382darktable.database.move_image:add_parameter("image",types.dt_lua_image_t,[[The image to move]])
383darktable.database.move_image:add_parameter("film",types.dt_lua_film_t,[[The film to move to]])
384darktable.database.move_image:set_main_parent(darktable.database)
385darktable.database.copy_image:set_text([[Physically copies an image to another film.]]..para()..
386[[This will copy the image file and the related XMP to the directory of the new film]]..para()..
387[[If there is already a file with the same name as the image file, it will create a duplicate from that file instead]]..para()..
388[[Note that the parameter order is not relevant.]])
389darktable.database.copy_image:add_parameter("image",types.dt_lua_image_t,[[The image to copy]])
390darktable.database.copy_image:add_parameter("film",types.dt_lua_film_t,[[The film to copy to]])
391darktable.database.copy_image:add_return(types.dt_lua_image_t,[[The new image]])
392darktable.database.copy_image:set_main_parent(darktable.database)
393darktable.collection:set_text([[Allows to access the currently worked on images, i.e the ones selected by the collection lib. Filtering (rating etc) does not change that collection.]])
394
395
396darktable.collection["#"]:set_text([[Each image in the collection appears with a numerical index; you can iterate them using ipairs.]])
397
398
399for k, v in darktable.gui.views:unskiped_children() do
400	v:set_main_parent(darktable.gui.views)
401end
402darktable.gui.views:set_text([[The different views in darktable]])
403darktable.gui.views.map:set_text([[The map view]])
404darktable.gui.views.map.latitude:set_text([[The latitude of the center of the map]])
405darktable.gui.views.map.longitude:set_text([[The longitude of the center of the map]])
406darktable.gui.views.map.zoom:set_text([[The current zoom level of the map]])
407
408darktable.gui.views.darkroom:set_text([[The darkroom view]])
409darktable.gui.views.lighttable:set_text([[The lighttable view]])
410darktable.gui.views.tethering:set_text([[The tethering view]])
411darktable.gui.views.slideshow:set_text([[The slideshow view]])
412darktable.gui.views.print:set_text([[The print view]])
413darktable.gui.views.knight:set_skiped()
414
415--[[
416for k, v in darktable.gui.libs:unskiped_children() do
417	local real_node = real_darktable.gui.libs[k]
418	v:set_attribute("position",real_node.position);
419	v:set_attribute("container",real_node.container);
420	local matching_views={}
421	for k2,v2 in pairs(real_node.views) do
422		table.insert(matching_views,darktable.gui.views[v2.id])
423	end
424	v:set_attribute("views",matching_views);
425end
426]]
427darktable.gui.libs:set_text([[This table allows to reference all lib objects]]..para()..
428[[lib are the graphical blocks within each view.]]..para()..
429[[To quickly figure out what lib is what, you can use the following code which will make a given lib blink.]]..para()..
430code([[local tested_module="global_toolbox"
431dt.gui.libs[tested_module].visible=false
432coroutine.yield("WAIT_MS",2000)
433while true do
434	dt.gui.libs[tested_module].visible = not dt.gui.libs[tested_module].visible
435	coroutine.yield("WAIT_MS",2000)
436end]]))
437
438
439darktable.gui.libs.snapshots:set_text([[The UI element that manipulates snapshots in darkroom]])
440darktable.gui.libs.snapshots.ratio:set_text([[The place in the screen where the line separating the snapshot is. Between 0 and 1]])
441darktable.gui.libs.snapshots.direction:set_text([[The direction of the snapshot overlay]]):set_reported_type(types.snapshot_direction_t)
442
443darktable.gui.libs.snapshots["#"]:set_text([[The different snapshots for the image]])
444darktable.gui.libs.snapshots.selected:set_text([[The currently selected snapshot]])
445darktable.gui.libs.snapshots.selected:set_reported_type(types.dt_lua_snapshot_t)
446darktable.gui.libs.snapshots.take_snapshot:set_text([[Take a snapshot of the current image and add it to the UI]]..para()..[[The snapshot file will be generated at the next redraw of the main window]])
447darktable.gui.libs.snapshots.max_snapshot:set_text([[The maximum number of snapshots]])
448
449darktable.gui.libs.collect:set_text([[The collection UI element that allows to filter images by collection]])
450darktable.gui.libs.collect.filter:set_text([[Allows to get or change the list of visible images]])
451darktable.gui.libs.collect.filter:add_parameter("rules","array of"..my_tostring(types.dt_lib_collect_params_rule_t),[[A table of rules describing the filter. These rules will be applied after this call]]):set_attribute("optional",true)
452darktable.gui.libs.collect.filter:add_return("array of"..my_tostring(types.dt_lib_collect_params_rule_t),[[The rules that were applied before this call.]])
453darktable.gui.libs.collect.filter:set_attribute("implicit_yield",true)
454darktable.gui.libs.collect.new_rule:set_text([[Returns a newly created rule object]])
455darktable.gui.libs.collect.new_rule:add_return(my_tostring(types.dt_lib_collect_params_rule_t),[[The newly created rule]])
456
457darktable.gui.libs.import:set_text([[The buttons to start importing images]])
458darktable.gui.libs.import.register_widget:set_text([[Add a widget in the option expander of the import dialog]])
459darktable.gui.libs.import.register_widget:add_parameter("widget",types.lua_widget,[[The widget to add to the dialog. The reset callback of the widget will be called whenever the dialog is opened]])
460
461
462
463darktable.gui.libs.styles:set_text([[The style selection menu]])
464darktable.gui.libs.metadata_view:set_text([[The widget displaying metadata about the current image]])
465darktable.gui.libs.metadata_view.register_info:set_text([[Register a function providing extra info to display in the widget]])
466darktable.gui.libs.metadata_view.register_info:add_parameter("name","string","The name displayed for the new information")
467tmp = darktable.gui.libs.metadata_view.register_info:add_parameter("callback","function","The function providing the info")
468tmp:add_parameter("image",types.dt_lua_image_t,"The image to analyze")
469tmp:add_return("string","The extra information to display")
470darktable.gui.libs.metadata:set_text([[The widget allowing modification of metadata fields on the current image]])
471darktable.gui.libs.hinter:set_text([[The small line of text at the top of the UI showing the number of selected images]])
472darktable.gui.libs.filmstrip:set_text([[The filmstrip at the bottom of some views]])
473darktable.gui.libs.viewswitcher:set_text([[The labels allowing to switch view]])
474darktable.gui.libs.darktable_label:set_text([[The darktable logo in the upper left corner]])
475darktable.gui.libs.tagging:set_text([[The tag manipulation UI]])
476darktable.gui.libs.geotagging:set_text([[The geotagging time synchronisation UI]])
477darktable.gui.libs.recentcollect:set_text([[The recent collection UI element]])
478darktable.gui.libs.global_toolbox:set_text([[The common tools to all view (settings, grouping...)]])
479darktable.gui.libs.global_toolbox.grouping:set_text([[The current status of the image grouping option]])
480darktable.gui.libs.global_toolbox.show_overlays:set_text([[the current status of the image overlays option]])
481darktable.gui.libs.filter:set_text([[The image-filter menus at the top of the UI]])
482darktable.gui.libs.ratings:set_text([[The starts to set the rating of an image]])
483darktable.gui.libs.select:set_text([[The buttons that allow to quickly change the selection]])
484darktable.gui.libs.select.register_selection:set_text([[Add a new button and call a callback when it is clicked]])
485darktable.gui.libs.select.register_selection:add_parameter("label","string","The label to display on the button")
486tmp = darktable.gui.libs.select.register_selection:add_parameter("callback","function","The function to call when the button is pressed")
487tmp:add_parameter("event","string","The name of the button that was pressed")
488tmp:add_parameter("images","table of"..tostring(types.dt_lua_image_t),"The images in the current collection. This is the same content as"..my_tostring(darktable.collection))
489tmp:add_return("table of"..tostring(types.dt_lua_image_t),"The images to set the selection to")
490darktable.gui.libs.select.register_selection:add_parameter("tooltip","string","The tooltip to use on the new button"):set_attribute("optional",true)
491darktable.gui.libs.colorlabels:set_text([[The color buttons that allow to set labels on an image]])
492darktable.gui.libs.lighttable_mode:set_text([[The navigation and zoom level UI in lighttable]])
493darktable.gui.libs.copy_history:set_text([[The UI element that manipulates history]])
494darktable.gui.libs.image:set_text([[The UI element that manipulates the current images]])
495darktable.gui.libs.image.register_action:set_text([[Add a new button and call a callback when it is clicked]])
496darktable.gui.libs.image.register_action:add_parameter("label","string","The label to display on the button")
497tmp = darktable.gui.libs.image.register_action:add_parameter("callback","function","The function to call when the button is pressed")
498tmp:add_parameter("event","string","The name of the button that was pressed")
499tmp:add_parameter("images","table of"..tostring(types.dt_lua_image_t),"The images to act on when the button was clicked")
500darktable.gui.libs.image.register_action:add_parameter("tooltip","string","The tooltip to use on the new button"):set_attribute("optional",true)
501darktable.gui.libs.modulegroups:set_text([[The icons describing the different iop groups]])
502darktable.gui.libs.module_toolbox:set_text([[The tools on the bottom line of the UI (overexposure)]])
503darktable.gui.libs.session:set_text([[The session UI when tethering]])
504darktable.gui.libs.histogram:set_text([[The histogram widget]])
505darktable.gui.libs.export:set_text([[The export menu]])
506darktable.gui.libs.history:set_text([[The history manipulation menu]])
507darktable.gui.libs.colorpicker:set_text([[The colorpicker menu]])
508darktable.gui.libs.navigation:set_text([[The full image preview to allow navigation]])
509darktable.gui.libs.masks:set_text([[The masks window]])
510darktable.gui.libs.view_toolbox:set_text([[]])
511darktable.gui.libs.live_view:set_text([[The liveview window]])
512darktable.gui.libs.map_settings:set_text([[The map setting window]])
513darktable.gui.libs.camera:set_text([[The camera selection UI]])
514darktable.gui.libs.location:set_text([[The location ui]])
515darktable.gui.libs.backgroundjobs:set_text([[The window displaying the currently running jobs]])
516darktable.gui.libs.print_settings:set_text([[The settings window in the print view]])
517
518
519darktable.control:set_text([[This table contain function to manipulate the control flow of lua programs. It provides ways to do background jobs and other related functions]])
520darktable.control.ending:set_text([[TRUE when darktable is terminating]]..para()..
521[[Use this variable to detect when you should finish long running jobs]])
522darktable.control.dispatch:set_text([[Runs a function in the background. This function will be run at a later point, after luarc has finished running. If you do a loop in such a function, please check ]]..my_tostring(darktable.control.ending)..[[ in your loop to finish the function when DT exits]])
523darktable.control.dispatch:add_parameter("function","function",[[The call to dispatch]])
524darktable.control.dispatch:add_parameter("...","anything",[[extra parameters to pass to the function]])
525darktable.control.sleep:set_text("Suspends execution while not blocking darktable")
526darktable.control.sleep:add_parameter("delay","int","The delay in millisecond to sleep")
527darktable.control.execute:set_text("Run a command in a shell while not blocking darktable")
528darktable.control.execute:add_parameter("command","string","The command to run, as in 'sh -c'")
529darktable.control.execute:add_return("int","The result of the system call")
530darktable.control.read:set_text("Block until a file is readable while not blocking darktable"..para()..emphasis("This function is not available on Windows builds"))
531darktable.control.read:add_parameter("file","file","The file object to wait for")
532
533
534darktable.gettext:set_text([[This table contains functions related to translating lua scripts]])
535darktable.gettext.gettext:set_text([[Translate a string using the darktable textdomain]])
536darktable.gettext.gettext:add_parameter("msgid","string","The string to translate");
537darktable.gettext.gettext:add_return("string","The translated string");
538darktable.gettext.dgettext:set_text([[Translate a string using the specified textdomain]])
539darktable.gettext.dgettext:add_parameter("domainname","string","The domain to use for that translation");
540darktable.gettext.dgettext:add_parameter("msgid","string","The string to translate");
541darktable.gettext.dgettext:add_return("string","The translated string");
542darktable.gettext.ngettext:set_text([[Translate a string depending on the number of objects using the darktable textdomain]])
543darktable.gettext.ngettext:add_parameter("msgid","string","The string to translate");
544darktable.gettext.ngettext:add_parameter("msgid_plural","string","The string to translate in plural form");
545darktable.gettext.ngettext:add_parameter("n","int","The number of objects");
546darktable.gettext.ngettext:add_return("string","The translated string");
547darktable.gettext.dngettext:set_text([[Translate a string depending on the number of objects using the specified textdomain]])
548darktable.gettext.dngettext:add_parameter("domainname","string","The domain to use for that translation");
549darktable.gettext.dngettext:add_parameter("msgid","string","The string to translate");
550darktable.gettext.dngettext:add_parameter("msgid_plural","string","The string to translate in plural form");
551darktable.gettext.dngettext:add_parameter("n","int","The number of objects");
552darktable.gettext.dngettext:add_return("string","The translated string");
553darktable.gettext.bindtextdomain:set_text([[Tell gettext where to find the .mo file translating messages for a particular domain]])
554darktable.gettext.bindtextdomain:add_parameter("domainname","string","The domain to use for that translation");
555darktable.gettext.bindtextdomain:add_parameter("dirname","string","The base directory to look for the file. The file should be placed in "..emphasis("dirname").."/"..emphasis("locale name").."/LC_MESSAGES/"..emphasis("domain")..".mo");
556
557----------------------
558--  DARKTABLE.DEBUG --
559----------------------
560darktable.debug:set_text([[This section must be activated separately by calling
561
562require "darktable.debug"
563]])
564
565darktable.debug.dump:set_text([[This will return a string describing everything Lua knows about an object, used to know what an object is.
566
567This function is recursion-safe and can be used to dump _G if needed.]])
568darktable.debug.dump:add_parameter("object","anything",[[The object to dump.]])
569darktable.debug.dump:add_parameter("name","string",[[A name to use for the object.]]):set_attribute("optional",true)
570tmp_node = darktable.debug.dump:add_parameter("known","table",[[A table of object,string pairs. Any object in that table will not be dumped, the string will be printed instead.]]..para().."defaults to "..my_tostring(darktable.debug.known).." if not set")
571tmp_node:set_attribute("optional",true)
572darktable.debug.dump:add_return("string",[[A string containing a text description of the object - can be very long.]])
573
574darktable.debug.debug:set_text([[Initialized to false; set it to true to also dump information about metatables.]])
575darktable.debug.max_depth:set_text([[Initialized to 10; The maximum depth to recursively dump content.]])
576
577remove_all_children(darktable.debug.known) -- debug values, not interesting
578darktable.debug.known:set_text([[A table containing the default value of ]]..my_tostring(tmp_node))
579darktable.debug.type:set_text([[Similar to the system function type() but it will return the real type instead of "userdata" for darktable specific objects.]])
580  darktable.debug.type:add_parameter("object","anything",[[The object whose type must be reported.]])
581	darktable.debug.type:add_return("string",[[A string describing the type of the object.]])
582
583	----------------------
584	--  TYPES           --
585	----------------------
586	types:set_text([[This section documents types that are specific to darktable's Lua API.]])
587
588	types.lua_os_type:set_text([[The type of OS we darktable can run on]])
589
590	types.dt_lua_image_t:set_text([[Image objects represent an image in the database. This is slightly different from a file on disk since a file can have multiple developments.
591
592	Note that this is the real image object; changing the value of a field will immediately change it in darktable and will be reflected on any copy of that image object you may have kept.]])
593
594
595	types.dt_lua_image_t.id:set_text([[A unique id identifying the image in the database.]])
596	types.dt_lua_image_t.path:set_text([[The file the directory containing the image.]])
597	types.dt_lua_image_t.film:set_text([[The film object that contains this image.]])
598	types.dt_lua_image_t.filename:set_text([[The filename of the image.]])
599  types.dt_lua_image_t.sidecar:set_text([[The filename of the image's sidecar file.]])
600	types.dt_lua_image_t.duplicate_index:set_text([[If there are multiple images based on a same file, each will have a unique number, starting from 0.]])
601
602
603	types.dt_lua_image_t.publisher:set_text([[The publisher field of the image.]])
604	types.dt_lua_image_t.title:set_text([[The title field of the image.]])
605	types.dt_lua_image_t.creator:set_text([[The creator field of the image.]])
606	types.dt_lua_image_t.rights:set_text([[The rights field of the image.]])
607	types.dt_lua_image_t.description:set_text([[The description field for the image.]])
608
609	types.dt_lua_image_t.exif_maker:set_text([[The maker exif data.]])
610	types.dt_lua_image_t.exif_model:set_text([[The camera model used.]])
611	types.dt_lua_image_t.exif_lens:set_text([[The id string of the lens used.]])
612	types.dt_lua_image_t.exif_aperture:set_text([[The aperture saved in the exif data.]])
613	types.dt_lua_image_t.exif_exposure:set_text([[The exposure time of the image.]])
614	types.dt_lua_image_t.exif_focal_length:set_text([[The focal length of the image.]])
615	types.dt_lua_image_t.exif_iso:set_text([[The iso used on the image.]])
616	types.dt_lua_image_t.exif_datetime_taken:set_text([[The date and time of the image.]])
617	types.dt_lua_image_t.exif_focus_distance:set_text([[The distance of the subject.]])
618	types.dt_lua_image_t.exif_crop:set_text([[The exif crop data.]])
619	types.dt_lua_image_t.latitude:set_text([[GPS latitude data of the image, nil if not set.]])
620	types.dt_lua_image_t.latitude:set_reported_type("float or nil")
621	types.dt_lua_image_t.longitude:set_text([[GPS longitude data of the image, nil if not set.]])
622	types.dt_lua_image_t.longitude:set_reported_type("float or nil")
623	types.dt_lua_image_t.elevation:set_text([[GPS altitude data of the image, nil if not set.]])
624	types.dt_lua_image_t.elevation:set_reported_type("float or nil")
625	types.dt_lua_image_t.is_raw:set_text([[True if the image is a RAW file.]])
626	types.dt_lua_image_t.is_ldr:set_text([[True if the image is a ldr image.]])
627	types.dt_lua_image_t.is_hdr:set_text([[True if the image is a hdr image.]])
628  types.dt_lua_image_t.has_txt:set_text([[True if the image has a txt sidecar file.]])
629  types.dt_lua_image_t.width:set_text([[The width of the image.]])
630	types.dt_lua_image_t.height:set_text([[The height of the image.]])
631  types.dt_lua_image_t.rating:set_text([[The rating of the image (-1 for rejected).]])
632  types.dt_lua_image_t.red:set_text([[True if the image has the corresponding colorlabel.]])
633	types.dt_lua_image_t.red:set_alias(types.dt_lua_image_t.blue)
634	types.dt_lua_image_t.red:set_alias(types.dt_lua_image_t.green)
635	types.dt_lua_image_t.red:set_alias(types.dt_lua_image_t.yellow)
636	types.dt_lua_image_t.red:set_alias(types.dt_lua_image_t.purple)
637	types.dt_lua_image_t.reset:set_text([[Removes all processing from the image, resetting it back to its original state]])
638	types.dt_lua_image_t.reset:add_parameter("self",types.dt_lua_image_t,[[The image whose history will be deleted]]):set_attribute("is_self",true)
639	types.dt_lua_image_t.delete:set_text([[Removes an image from the database]])
640	types.dt_lua_image_t.delete:add_parameter("self",types.dt_lua_image_t,[[The image to remove]]):set_attribute("is_self",true)
641
642	types.dt_lua_image_t.group_with:set_text([[Puts the first image in the same group as the second image. If no second image is provided the image will be in its own group.]])
643	types.dt_lua_image_t.group_with:add_parameter("self",types.dt_lua_image_t,[[The image whose group must be changed.]]):set_attribute("is_self",true)
644	types.dt_lua_image_t.group_with:add_parameter("image",types.dt_lua_image_t,[[The image we want to group with.]]):set_attribute("optional",true)
645	types.dt_lua_image_t.make_group_leader:set_text([[Makes the image the leader of its group.]])
646	types.dt_lua_image_t.make_group_leader:add_parameter("self",types.dt_lua_image_t,[[The image we want as the leader.]]):set_attribute("is_self",true)
647	types.dt_lua_image_t.get_group_members:set_text([[Returns a table containing all ]]..my_tostring(types.dt_lua_image_t)..[[ of the group. The group leader is both at a numeric key and at the "leader" special key (so you probably want to use ipairs to iterate through that table).]])
648	types.dt_lua_image_t.get_group_members:add_parameter("self",types.dt_lua_image_t,[[The image whose group we are querying.]]):set_attribute("is_self",true)
649	types.dt_lua_image_t.get_group_members:add_return("table of "..my_tostring(types.dt_lua_image_t),[[A table of image objects containing all images that are in the same group as the image.]])
650	darktable.tags.attach:set_alias(types.dt_lua_image_t.attach_tag)
651	types.dt_lua_image_t.group_leader:set_text([[The image which is the leader of the group this image is a member of.]])
652	types.dt_lua_image_t.local_copy:set_text([[True if the image has a copy in the local cache]])
653	types.dt_lua_image_t.drop_cache:set_text("drops the cached version of this image."..para()..
654	"This function should be called if an image is modified out of darktable to force DT to regenerate the thumbnail"..para()..
655	"darktable will regenerate the thumbnail by itself when it is needed")
656	types.dt_lua_image_t.drop_cache:add_parameter("self",types.dt_lua_image_t,[[The image whose cache must be dropped.]]):set_attribute("is_self",true)
657
658	types.dt_imageio_module_format_t:set_text([[A virtual type representing all format types.]])
659	types.dt_imageio_module_format_t.plugin_name:set_text([[A unique name for the plugin.]])
660	types.dt_imageio_module_format_t.name:set_text([[A human readable name for the plugin.]])
661	types.dt_imageio_module_format_t.extension:set_text([[The typical filename extension for that format.]])
662	types.dt_imageio_module_format_t.mime:set_text([[The mime type associated with the format.]])
663	types.dt_imageio_module_format_t.max_width:set_text([[The max width allowed for the format (0 = unlimited).]])
664	types.dt_imageio_module_format_t.max_height:set_text([[The max height allowed for the format (0 = unlimited).]])
665	types.dt_imageio_module_format_t.write_image:set_text([[Exports an image to a file. This is a blocking operation that will not return until the image is exported.]])
666	types.dt_imageio_module_format_t.write_image:set_attribute("implicit_yield",true)
667	types.dt_imageio_module_format_t.write_image:add_parameter("self",types.dt_imageio_module_format_t,[[The format that will be used to export.]]):set_attribute("is_self",true)
668	types.dt_imageio_module_format_t.write_image:add_parameter("image",types.dt_lua_image_t,[[The image object to export.]])
669	types.dt_imageio_module_format_t.write_image:add_parameter("filename","string",[[The filename to export to.]])
670	types.dt_imageio_module_format_t.write_image:add_parameter("allow_upscale","boolean",[[Set to true to allow upscaling of the image.]]):set_attribute("optional",true)
671	types.dt_imageio_module_format_t.write_image:add_return("boolean",[[Returns true on success.]])
672
673	types.dt_imageio_module_format_data_png:set_text([[Type object describing parameters to export to png.]])
674	types.dt_imageio_module_format_data_png.bpp:set_text([[The bpp parameter to use when exporting.]])
675	types.dt_imageio_module_format_data_tiff:set_text([[Type object describing parameters to export to tiff.]])
676	types.dt_imageio_module_format_data_tiff.bpp:set_text([[The bpp parameter to use when exporting.]])
677	types.dt_imageio_module_format_data_exr:set_text([[Type object describing parameters to export to exr.]])
678	types.dt_imageio_module_format_data_exr.compression:set_text([[The compression parameter to use when exporting.]])
679	types.dt_imageio_module_format_data_copy:set_text([[Type object describing parameters to export to copy.]])
680	types.dt_imageio_module_format_data_pfm:set_text([[Type object describing parameters to export to pfm.]])
681	types.dt_imageio_module_format_data_jpeg:set_text([[Type object describing parameters to export to jpeg.]])
682	types.dt_imageio_module_format_data_jpeg.quality:set_text([[The quality to use at export time.]])
683	types.dt_imageio_module_format_data_ppm:set_text([[Type object describing parameters to export to ppm.]])
684	types.dt_imageio_module_format_data_webp:set_text([[Type object describing parameters to export to webp.]])
685	types.dt_imageio_module_format_data_webp.quality:set_text([[The quality to use at export time.]])
686	types.dt_imageio_module_format_data_webp.comp_type:set_text([[The overall quality to use; can be one of "webp_lossy" or "webp_lossless".]]):set_reported_type(types.comp_type_t);
687	types.dt_imageio_module_format_data_webp.hint:set_text([[A hint on the overall content of the image.]]):set_reported_type(types.hint_t)
688	types.dt_imageio_module_format_data_j2k:set_text([[Type object describing parameters to export to jpeg2000.]])
689	types.dt_imageio_module_format_data_j2k.quality:set_text([[The quality to use at export time.]])
690	types.dt_imageio_module_format_data_j2k.bpp:set_text([[The bpp parameter to use when exporting.]])
691	types.dt_imageio_module_format_data_j2k.format:set_text([[The format to use.]]):set_reported_type(types.dt_imageio_j2k_format_t)
692	types.dt_imageio_module_format_data_j2k.preset:set_text([[The preset to use.]]):set_reported_type(types.dt_imageio_j2k_preset_t)
693
694
695	types.dt_imageio_module_format_data_pdf:set_text([[Type object describing parameters to export to pdf.]])
696  types.dt_imageio_module_format_data_pdf.dpi:set_text([[The dot per inch value to use at export]])
697  types.dt_imageio_module_format_data_pdf.icc:set_text([[Should the images be tagged with their embedded profile]])
698  types.dt_imageio_module_format_data_pdf.border:set_text([[Empty space around the PDF images]])
699  types.dt_imageio_module_format_data_pdf.orientation:set_text([[Orientation of the pages in the document]])
700  types.dt_imageio_module_format_data_pdf.title:set_text([[The title for the document
701  types.dt_imageio_module_format_data_pdf.rotate:set_text([[Should the images be rotated to match the PDF orientation]])
702  types.dt_imageio_module_format_data_pdf.mode:set_text([[The image mode to use at export time]])
703  types.dt_imageio_module_format_data_pdf.size:set_text([[The paper size to use]])
704  types.dt_imageio_module_format_data_pdf.compression:set_text([[Compression mode to use for images]])
705  types.dt_imageio_module_format_data_pdf.pages:set_text([[The page type to use]])
706  types.dt_imageio_module_format_data_pdf.rotate:set_text([[Should the images be rotated in the resulting PDF]])
707  types._pdf_mode_t:set_text([[The export mode to use for PDF document]])
708  types._pdf_pages_t:set_text([[The different page types for PDF export]])
709  types.dt_pdf_stream_encoder_t:set_text([[The compression mode for PDF document]])
710
711
712	types.dt_imageio_module_storage_t:set_text([[A virtual type representing all storage types.]])
713	types.dt_imageio_module_storage_t.plugin_name:set_text([[A unique name for the plugin.]])
714	types.dt_imageio_module_storage_t.name:set_text([[A human readable name for the plugin.]])
715	types.dt_imageio_module_storage_t.width:set_text([[The currently selected width for the plugin.]])
716	types.dt_imageio_module_storage_t.height:set_text([[The currently selected height for the plugin.]])
717	types.dt_imageio_module_storage_t.recommended_width:set_text([[The recommended width for the plugin.]])
718	types.dt_imageio_module_storage_t.recommended_height:set_text([[The recommended height for the plugin.]])
719	types.dt_imageio_module_storage_t.supports_format:set_text([[Checks if a format is supported by this storage.]])
720	types.dt_imageio_module_storage_t.supports_format:add_parameter("self",types.dt_imageio_module_storage_t,[[The storage type to check against.]]):set_attribute("is_self",true)
721	types.dt_imageio_module_storage_t.supports_format:add_parameter("format",types.dt_imageio_module_format_t,[[The format type to check.]])
722	types.dt_imageio_module_storage_t.supports_format:add_return("boolean",[[True if the format is supported by the storage.]])
723
724	types.dt_imageio_module_storage_data_email:set_text([[An object containing parameters to export to email.]])
725	types.dt_imageio_module_storage_data_flickr:set_text([[An object containing parameters to export to flickr.]])
726	types.dt_imageio_module_storage_data_facebook:set_text([[An object containing parameters to export to facebook.]])
727	types.dt_imageio_module_storage_data_latex:set_text([[An object containing parameters to export to latex.]])
728	types.dt_imageio_module_storage_data_latex.filename:set_text([[The filename to export to.]])
729	types.dt_imageio_module_storage_data_latex.title:set_text([[The title to use for export.]])
730	types.dt_imageio_module_storage_data_picasa:set_text([[An object containing parameters to export to picasa.]])
731	types.dt_imageio_module_storage_data_gallery:set_text([[An object containing parameters to export to gallery.]])
732	types.dt_imageio_module_storage_data_gallery.filename:set_text([[The filename to export to.]])
733	types.dt_imageio_module_storage_data_gallery.title:set_text([[The title to use for export.]])
734	types.dt_imageio_module_storage_data_disk:set_text([[An object containing parameters to export to disk.]])
735	types.dt_imageio_module_storage_data_disk.filename:set_text([[The filename to export to.]])
736
737	types.dt_lua_film_t:set_text([[A film in darktable; this represents a directory containing imported images.]])
738	types.dt_lua_film_t["#"]:set_text([[The different images within the film.]])
739	types.dt_lua_film_t.id:set_text([[A unique numeric id used by this film.]])
740	types.dt_lua_film_t.path:set_text([[The path represented by this film.]])
741	types.dt_lua_film_t.delete:set_text([[Removes the film from the database.]])
742	types.dt_lua_film_t.delete:add_parameter("self",types.dt_lua_film_t,[[The film to remove.]]):set_attribute("is_self",true)
743	types.dt_lua_film_t.delete:add_parameter("force","Boolean",[[Force removal, even if the film is not empty.]]):set_attribute("optional",true)
744
745	types.dt_style_t:set_text([[A style that can be applied to an image.]])
746	types.dt_style_t.name:set_text([[The name of the style.]])
747	types.dt_style_t.description:set_text([[The description of the style.]])
748	types.dt_style_t["#"]:set_text([[The different items that make the style.]])
749
750	types.dt_style_item_t:set_text([[An element that is part of a style.]])
751	types.dt_style_item_t.name:set_text([[The name of the style item.]])
752	types.dt_style_item_t.num:set_text([[The position of the style item within its style.]])
753
754	types.dt_lua_tag_t:set_text([[A tag that can be attached to an image.]])
755	types.dt_lua_tag_t.name:set_text([[The name of the tag.]])
756	types.dt_lua_tag_t["#"]:set_text([[The images that have that tag attached to them.]])
757	types.dt_lua_tag_t["#"]:set_reported_type(types.dt_lua_image_t)
758
759	types.dt_lua_lib_t:set_text([[The type of a UI lib]])
760	types.dt_lua_lib_t.id:set_text([[A unit string identifying the lib]])
761	types.dt_lua_lib_t.name:set_text([[The translated title of the UI element]])
762	types.dt_lua_lib_t.version:set_text([[The version of the internal data of this lib]])
763	types.dt_lua_lib_t.visible:set_text([[Allow to make a lib module completely invisible to the user.]]..para()..
764	[[Note that if the module is invisible the user will have no way to restore it without lua]])
765	types.dt_lua_lib_t.visible:set_attribute("implicit_yield",true)
766	types.dt_lua_lib_t.container:set_text([[The location of the lib in the darktable UI]]):set_reported_type(types.dt_ui_container_t)
767	types.dt_lua_lib_t.expandable:set_text([[True if the lib can be expanded/retracted]]);
768	types.dt_lua_lib_t.expanded:set_text([[True if the lib is expanded]]);
769	types.dt_lua_lib_t.position:set_text([[A value deciding the position of the lib within its container]])
770	types.dt_lua_lib_t.views:set_text([[A table of all the views that display this widget]])
771	types.dt_lua_lib_t.reset:set_text([[A function to reset the lib to its default values]]..para()..
772	[[This function will do nothing if the lib is not visible or can't be reset]])
773	types.dt_lua_lib_t.reset:add_parameter("self",types.dt_lua_lib_t,[[The lib to reset]]):set_attribute("is_self",true)
774	types.dt_lua_lib_t.on_screen:set_text([[True if the lib is currently visible on the screen]])
775
776	types.dt_lua_view_t:set_text([[A darktable view]])
777	types.dt_lua_view_t.id:set_text([[A unique string identifying the view]])
778	types.dt_lua_view_t.name:set_text([[The name of the view]])
779
780
781	types.dt_lua_backgroundjob_t:set_text([[A lua-managed entry in the backgroundjob lib]])
782	types.dt_lua_backgroundjob_t.percent:set_text([[The value of the progress bar, between 0 and 1. will return nil if there is no progress bar, will raise an error if read or written on an invalid job]])
783	types.dt_lua_backgroundjob_t.valid:set_text([[True if the job is displayed, set it to false to destroy the entry]]..para().."An invalid job cannot be made valid again")
784
785
786	types.dt_lua_snapshot_t:set_text([[The description of a snapshot in the snapshot lib]])
787	types.dt_lua_snapshot_t.filename:set_text([[The filename of an image containing the snapshot]])
788	types.dt_lua_snapshot_t.select:set_text([[Activates this snapshot on the display. To deactivate all snapshot you need to call this function on the active snapshot]])
789	types.dt_lua_snapshot_t.select:add_parameter("self",types.dt_lua_snapshot_t,[[The snapshot to activate]]):set_attribute("is_self",true)
790	types.dt_lua_snapshot_t.name:set_text([[The name of the snapshot, as seen in the UI]])
791
792	types.hint_t:set_text([[a hint on the way to encode a webp image]])
793	types.dt_ui_container_t:set_text([[A place in the darktable UI where a lib can be placed]])
794	types.snapshot_direction_t:set_text([[Which part of the main window is occupied by a snapshot]])
795	types.dt_imageio_j2k_format_t:set_text([[J2K format type]])
796	types.dt_imageio_j2k_preset_t:set_text([[J2K preset type]])
797	types.comp_type_t:set_text([[Type of compression for webp]])
798	types.lua_pref_type:set_text([[The type of value to save in a preference]])
799
800
801  types.dt_imageio_exr_compression_t:set_text("The type of compression to use for the EXR image")
802
803  types.dt_lib_collect_params_rule_t:set_text("A single rule for filtering a collection");
804  types.dt_lib_collect_params_rule_t.mode:set_text("How this rule is applied after the previous one. Unused for the first rule");
805  types.dt_lib_collect_params_rule_t.mode:set_reported_type(types.dt_lib_collect_mode_t)
806  types.dt_lib_collect_params_rule_t.data:set_text("The text segment of the rule. Exact content depends on the type of rule");
807  types.dt_lib_collect_params_rule_t.item:set_text("The item on which this rule filter. i.e the type of the rule");
808  types.dt_lib_collect_params_rule_t.item:set_reported_type(types.dt_collection_properties_t)
809  types.dt_lib_collect_mode_t:set_text("The logical operators to apply between rules");
810  types.dt_collection_properties_t:set_text("The different elements on which a collection can be filtered");
811
812  types.dt_lua_orientation_t:set_text("A possible orientation for a widget")
813
814  types.dt_lua_align_t:set_text("The alignment of a label")
815
816  types.dt_lua_ellipsize_mode_t:set_text("The ellipsize mode of a label")
817
818  types.dt_lua_cairo_t:set_text("A wrapper around a cairo drawing context."..para().."You probably shouldn't use this after the callback that got it passed returned."..para().."For more details of the member functions have a look at the cairo documentation for "..url("http://www.cairographics.org/manual/cairo-cairo-t.html", "the drawing context")..", "..url("http://www.cairographics.org/manual/cairo-Transformations.html", "transformations").." and "..url("http://www.cairographics.org/manual/cairo-Paths.html", "paths")..".")
819  types.dt_lua_cairo_t.save:set_text("Save the state of the drawing context.")
820  types.dt_lua_cairo_t.save:set_reported_type("function")
821  types.dt_lua_cairo_t.save:add_parameter("self", types.dt_lua_cairo_t, "The context to modify."):set_attribute("is_self", true)
822  types.dt_lua_cairo_t.restore:set_text("Restore a previously saved state.")
823  types.dt_lua_cairo_t.restore:set_reported_type("function")
824  types.dt_lua_cairo_t.restore:add_parameter("self", types.dt_lua_cairo_t, "The context to modify."):set_attribute("is_self", true)
825  types.dt_lua_cairo_t.move_to:set_text("Begin a new sub-path.")
826  types.dt_lua_cairo_t.move_to:set_reported_type("function")
827  types.dt_lua_cairo_t.move_to:add_parameter("self", types.dt_lua_cairo_t, "The context to modify"):set_attribute("is_self", true)
828  types.dt_lua_cairo_t.move_to:add_parameter("x", "float", "The x coordinate of the new position.")
829  types.dt_lua_cairo_t.move_to:add_parameter("y", "float", "The y coordinate of the new position.")
830  types.dt_lua_cairo_t.line_to:set_text("Add a line to the path.")
831  types.dt_lua_cairo_t.line_to:set_reported_type("function")
832  types.dt_lua_cairo_t.line_to:add_parameter("self", types.dt_lua_cairo_t, "The context to modify."):set_attribute("is_self", true)
833  types.dt_lua_cairo_t.line_to:add_parameter("x", "float", "The x coordinate of the end of the new line.")
834  types.dt_lua_cairo_t.line_to:add_parameter("y", "float", "The y coordinate of the end of the new line.")
835  types.dt_lua_cairo_t.rectangle:set_text("Add a closed sub-path rectangle.")
836  types.dt_lua_cairo_t.rectangle:set_reported_type("function")
837  types.dt_lua_cairo_t.rectangle:add_parameter("self", types.dt_lua_cairo_t, "The context to modify."):set_attribute("is_self", true)
838  types.dt_lua_cairo_t.rectangle:add_parameter("x", "float", "The x coordinate of the top left corner of the rectangle.")
839  types.dt_lua_cairo_t.rectangle:add_parameter("y", "float", "The y coordinate of the top left corner of the rectangle.")
840  types.dt_lua_cairo_t.rectangle:add_parameter("width", "float", "The width of the rectangle.")
841  types.dt_lua_cairo_t.rectangle:add_parameter("height", "float", "The height of the rectangle.")
842  types.dt_lua_cairo_t.arc:set_text("Add a circular arc.")
843  types.dt_lua_cairo_t.arc:set_reported_type("function")
844  types.dt_lua_cairo_t.arc:add_parameter("self", types.dt_lua_cairo_t, "The context to modify."):set_attribute("is_self", true)
845  types.dt_lua_cairo_t.arc:add_parameter("x", "float", "The x position of the center of the arc.")
846  types.dt_lua_cairo_t.arc:add_parameter("y", "float", "The y position of the center of the arc.")
847  types.dt_lua_cairo_t.arc:add_parameter("radius", "float", "The radius of the arc.")
848  types.dt_lua_cairo_t.arc:add_parameter("angle1", "float", "The start angle, in radians.")
849  types.dt_lua_cairo_t.arc:add_parameter("angle2", "float", "The end angle, in radians.")
850  types.dt_lua_cairo_t.arc_negative:set_text("Add a circular arc. It only differs in the direction from "..my_tostring(types.dt_lua_cairo_t.arc)..".")
851  types.dt_lua_cairo_t.arc_negative:set_reported_type("function")
852  types.dt_lua_cairo_t.arc_negative:add_parameter("self", types.dt_lua_cairo_t, "The context to modify."):set_attribute("is_self", true)
853  types.dt_lua_cairo_t.arc_negative:add_parameter("x", "float", "The x position of the center of the arc.")
854  types.dt_lua_cairo_t.arc_negative:add_parameter("y", "float", "The y position of the center of the arc.")
855  types.dt_lua_cairo_t.arc_negative:add_parameter("radius", "float", "The radius of the arc.")
856  types.dt_lua_cairo_t.arc_negative:add_parameter("angle1", "float", "The start angle, in radians.")
857  types.dt_lua_cairo_t.arc_negative:add_parameter("angle2", "float", "The end angle, in radians.")
858  types.dt_lua_cairo_t.rotate:set_text("Add a rotation to the transformation matrix.")
859  types.dt_lua_cairo_t.rotate:set_reported_type("function")
860  types.dt_lua_cairo_t.rotate:add_parameter("self", types.dt_lua_cairo_t, "The context to modify."):set_attribute("is_self", true)
861  types.dt_lua_cairo_t.rotate:add_parameter("angle", "float", "The angle (in radians) by which the user-space axes will be rotated.")
862  types.dt_lua_cairo_t.scale:set_text("Add a scaling to the transformation matrix.")
863  types.dt_lua_cairo_t.scale:set_reported_type("function")
864  types.dt_lua_cairo_t.scale:add_parameter("self", types.dt_lua_cairo_t, "The context to modify."):set_attribute("is_self", true)
865  types.dt_lua_cairo_t.scale:add_parameter("x", "float", "The scale factor for the x dimension.")
866  types.dt_lua_cairo_t.scale:add_parameter("y", "float", "The scale factor for the y dimension.")
867  types.dt_lua_cairo_t.translate:set_text("Add a translation to the transformation matrix.")
868  types.dt_lua_cairo_t.translate:set_reported_type("function")
869  types.dt_lua_cairo_t.translate:add_parameter("self", types.dt_lua_cairo_t, "The context to modify."):set_attribute("is_self", true)
870  types.dt_lua_cairo_t.translate:add_parameter("x", "float", "Amount to translate in the x direction")
871  types.dt_lua_cairo_t.translate:add_parameter("y", "float", "Amount to translate in the y direction")
872  types.dt_lua_cairo_t.new_sub_path:set_text("Begin a new sub-path.")
873  types.dt_lua_cairo_t.new_sub_path:set_reported_type("function")
874  types.dt_lua_cairo_t.new_sub_path:add_parameter("self", types.dt_lua_cairo_t, "The context to modify."):set_attribute("is_self", true)
875  types.dt_lua_cairo_t.draw_line:set_text("Helper function to draw a line with a given start and end.")
876  types.dt_lua_cairo_t.draw_line:set_reported_type("function")
877  types.dt_lua_cairo_t.draw_line:add_parameter("self", types.dt_lua_cairo_t, "The context to modify."):set_attribute("is_self", true)
878  types.dt_lua_cairo_t.draw_line:add_parameter("x_start", "float", "The x coordinate of the start of the new line.")
879  types.dt_lua_cairo_t.draw_line:add_parameter("y_start", "float", "The y coordinate of the start of the new line.")
880  types.dt_lua_cairo_t.draw_line:add_parameter("x_end", "float", "The x coordinate of the end of the new line.")
881  types.dt_lua_cairo_t.draw_line:add_parameter("y_end", "float", "The y coordinate of the end of the new line.")
882
883
884  types.lua_widget:set_text("Common parent type for all lua-handled widgets");
885  types.lua_widget.extra_registration_parameters:set_text("This widget has no extra registration parameters")
886  types.lua_widget.sensitive:set_text("Set if the widget is enabled/disabled");
887  types.lua_widget.tooltip:set_text("Tooltip to display for the widget");
888  types.lua_widget.tooltip:set_reported_type("string or nil")
889  types.lua_widget.reset_callback:set_text("A function to call when the widget needs to reset itself"..para()..
890  "Note that some widgets have a default implementation that can be overridden, (containers in particular will recursively reset their children). If you replace that default implementation you need to reimplement that functionality or call the original function within your callback")
891  types.lua_widget.reset_callback:set_reported_type("function")
892  types.lua_widget.reset_callback:add_parameter("widget",types.lua_widget,"The widget that triggered the callback")
893  types.lua_widget.__call:set_main_parent(types.lua_widget)
894  types.lua_widget.__call:set_text("Using a lua widget as a function Allows to set multiple attributes of that widget at once. This is mainly used to create UI elements in a more readable way"..para()..
895      "For example:"..code([[
896local widget = dt.new_widget("button"){
897    label ="my label",
898    clicked_callback = function() print "hello world" end
899    }]]))
900  types.lua_widget.__call:add_parameter("attributes","table","A table of attributes => value to set")
901  types.lua_widget.__call:add_return(types.lua_widget,"The object called itself, to allow chaining")
902
903
904  types.lua_container:set_text("A widget containing other widgets");
905  types.lua_container.extra_registration_parameters:set_text("This widget has no extra registration parameters")
906	types.lua_container["#"]:set_reported_type(types.lua_widget)
907	types.lua_container["#"]:set_text("The widgets contained by the box"..para()..
908      "You can append widgets by adding them at the end of the list"..para()..
909      "You can remove widgets by setting them to nil")
910
911  types.lua_check_button:set_text("A checkable button with a label next to it");
912  types.lua_check_button.extra_registration_parameters:set_text("This widget has no extra registration parameters")
913  types.lua_check_button.label:set_reported_type("string")
914  types.lua_check_button.label:set_text("The label displayed next to the button");
915  types.lua_check_button.value:set_text("If the widget is checked or not");
916  types.lua_check_button.clicked_callback:set_text("A function to call on button click")
917  types.lua_check_button.clicked_callback:set_reported_type("function")
918  types.lua_check_button.clicked_callback:add_parameter("widget",types.lua_widget,"The widget that triggered the callback")
919
920  types.lua_label:set_text("A label containing some text");
921  types.lua_label.extra_registration_parameters:set_text("This widget has no extra registration parameters")
922  types.lua_label.label:set_text("The label displayed");
923  types.lua_label.selectable:set_text("True if the label content should be selectable");
924  types.lua_label.halign:set_text("The horizontal alignment of the label");
925  types.lua_label.halign:set_reported_type(types.dt_lua_align_t)
926  types.lua_label.ellipsize:set_text("The ellipsize mode of the label");
927  types.lua_label.ellipsize:set_reported_type(types.dt_lua_ellipsize_mode_t)
928
929  types.lua_button:set_text("A clickable button");
930  types.lua_button.extra_registration_parameters:set_text("This widget has no extra registration parameters")
931  types.lua_button.label:set_reported_type("string")
932  types.lua_button.label:set_text("The label displayed on the button");
933  types.lua_button.clicked_callback:set_text("A function to call on button click")
934  types.lua_button.clicked_callback:set_reported_type("function")
935  types.lua_button.clicked_callback:add_parameter("widget",types.lua_widget,"The widget that triggered the callback")
936
937  types.lua_box:set_text("A container for widget in a horizontal or vertical list");
938  types.lua_box.extra_registration_parameters:set_text("This widget has no extra registration parameters")
939  types.lua_box.orientation:set_text("The orientation of the box.")
940  types.lua_box.orientation:set_reported_type(types.dt_lua_orientation_t)
941
942  types.lua_entry:set_text("A widget in which the user can input text")
943  types.lua_entry.extra_registration_parameters:set_text("This widget has no extra registration parameters")
944  types.lua_entry.text:set_text("The content of the entry")
945  types.lua_entry.placeholder:set_reported_type("string")
946  types.lua_entry.placeholder:set_text("The text to display when the entry is empty")
947  types.lua_entry.is_password:set_text("True if the text content should be hidden")
948  types.lua_entry.editable:set_text("False if the entry should be read-only")
949
950  types.lua_separator:set_text("A widget providing a separation in the UI.")
951  types.lua_separator.extra_registration_parameters:set_text("This widget has no extra registration parameters")
952  types.lua_separator.orientation:set_text("The orientation of the separator.")
953
954  types.lua_combobox:set_text("A widget with multiple text entries in a menu"..para()..
955      "This widget can be set as editable at construction time."..para()..
956      "If it is editable the user can type a value and is not constrained by the values in the menu")
957  types.lua_combobox.extra_registration_parameters:set_text("This widget has no extra registration parameters")
958  types.lua_combobox.value:set_reported_type("string")
959  types.lua_combobox.value:set_text("The text content of the selected entry, can be nil"..para()..
960      "You can set it to a number to select the corresponding entry from the menu"..para()..
961      "If the combo box is editable, you can set it to any string"..para()..
962      "You can set it to nil to deselect all entries")
963  types.lua_combobox.selected:set_text("The index of the selected entry, or 0 if nothing is selected"..para()..
964      "You can set it to a number to select the corresponding entry from the menu, or to 0 to select nothing"..para()..
965      "You can set it to nil to deselect all entries")
966  types.lua_combobox.selected:set_reported_type("integer")
967  types.lua_combobox["#"]:set_text("The various menu entries."..para()..
968      "You can add new entries by writing to the first element beyond the end"..para()..
969      "You can removes entries by setting them to nil")
970  types.lua_combobox["#"]:set_reported_type("string")
971  types.lua_combobox.changed_callback:set_text("A function to call when the value field changes (character entered or value selected)")
972  types.lua_combobox.changed_callback:set_reported_type("function")
973  types.lua_combobox.changed_callback:add_parameter("widget",types.lua_widget,"The widget that triggered the callback")
974  types.lua_combobox.editable:set_text("True is the user is allowed to type a string in the combobox")
975  types.lua_combobox.label:set_text("The label displayed on the combobox");
976
977  types.lua_file_chooser_button:set_text("A button that allows the user to select an existing file")
978  types.lua_file_chooser_button.extra_registration_parameters:set_text("This widget has no extra registration parameters")
979  types.lua_file_chooser_button.title:set_text("The title of the window when choosing a file")
980  types.lua_file_chooser_button.value:set_text("The currently selected file")
981  types.lua_file_chooser_button.value:set_reported_type("string")
982  types.lua_file_chooser_button.changed_callback:set_text("A function to call when the value field changes (character entered or value selected)")
983  types.lua_file_chooser_button.changed_callback:set_reported_type("function")
984  types.lua_file_chooser_button.changed_callback:add_parameter("widget",types.lua_widget,"The widget that triggered the callback")
985  types.lua_file_chooser_button.is_directory:set_text("True if the file chooser button only allows directories to be selected")
986
987  types.lua_stack:set_text("A container that will only show one of its child at a time")
988  types.lua_stack.extra_registration_parameters:set_text("This widget has no extra registration parameters")
989  types.lua_stack.active:set_text("The currently selected child, can be nil if the container has no child, can be set to one of the child widget or to an index in the child table")
990  types.lua_stack.active:set_reported_type(my_tostring(types.lua_widget).." or nil")
991
992  types.lua_slider:set_text("A slider that can be set by the user")
993  types.lua_slider.extra_registration_parameters:set_text("This widget has no extra registration parameters")
994  types.lua_slider.soft_min:set_text("The soft minimum value for the slider, the slider can't go beyond this point")
995  types.lua_slider.soft_max:set_text("The soft maximum value for the slider, the slider can't go beyond this point")
996  types.lua_slider.hard_min:set_text("The hard minimum value for the slider, the user can't manually enter a value beyond this point")
997  types.lua_slider.hard_max:set_text("The hard maximum value for the slider, the user can't manually enter a value beyond this point")
998  types.lua_slider.step:set_text("The step width of the slider")
999  types.lua_slider.digits:set_text("The number of decimal digits shown on the slider")
1000  types.lua_slider.digits:set_reported_type("integer")
1001  types.lua_slider.value:set_text("The current value of the slider")
1002  types.lua_slider.label:set_text("The label next to the slider")
1003  types.lua_slider.label:set_reported_type("string")
1004
1005  types.lua_text_view:set_text("A multiline text input widget")
1006  types.lua_text_view.extra_registration_parameters:set_text("This widget has no extra registration parameters")
1007  types.lua_text_view.text:set_text("The text in the widget")
1008  types.lua_text_view.editable:set_text("False if the entry should be read-only")
1009
1010  types.lua_section_label:set_text("A section label");
1011  types.lua_section_label.extra_registration_parameters:set_text("This widget has no extra registration parameters")
1012  types.lua_section_label.label:set_text("The section name");
1013
1014	----------------------
1015	--  EVENTS          --
1016	----------------------
1017	events:set_text([[This section documents events that can be used to trigger Lua callbacks.]])
1018
1019
1020	events["intermediate-export-image"]:set_text([[This event is called each time an image is exported, once for each image after the image has been processed to an image format but before the storage has moved the image to its final destination. The call is blocking.]])
1021	events["intermediate-export-image"].callback:add_parameter("event","string",[[The name of the event that triggered the callback.]])
1022	events["intermediate-export-image"].callback:add_parameter("image",types.dt_lua_image_t,[[The image object that has been exported.]])
1023	events["intermediate-export-image"].callback:add_parameter("filename","string",[[The name of the file that is the result of the image being processed.]])
1024	events["intermediate-export-image"].callback:add_parameter("format",types.dt_imageio_module_format_t,[[The format used to export the image.]])
1025	events["intermediate-export-image"].callback:add_parameter("storage",types.dt_imageio_module_storage_t,[[The storage used to export the image (can be nil).]])
1026	events["intermediate-export-image"].extra_registration_parameters:set_text([[This event has no extra registration parameters.]])
1027
1028
1029	events["post-import-image"]:set_text([[This event is triggered whenever a new image is imported into the database.
1030
1031	This event can be registered multiple times, all callbacks will be called. The call is blocking.]])
1032	events["post-import-image"].callback:add_parameter("event","string",[[The name of the event that triggered the callback.]])
1033	events["post-import-image"].callback:add_parameter("image",types.dt_lua_image_t,[[The image object that has been imported.]])
1034	events["post-import-image"].extra_registration_parameters:set_text([[This event has no extra registration parameters.]])
1035
1036
1037	events["shortcut"]:set_text([[This event registers a new keyboard shortcut. The shortcut isn't bound to any key until the users does so in the preference panel.
1038
1039	The event is triggered whenever the shortcut is triggered.
1040
1041
1042	This event can only be registered once per value of shortcut.
1043	]])
1044	events["shortcut"].callback:add_parameter("event","string",[[The name of the event that triggered the callback.]])
1045
1046	events["shortcut"].callback:add_parameter("shortcut","string",[[The tooltip string that was given at registration time.]])
1047	events["shortcut"].extra_registration_parameters:set_text("")
1048	events["shortcut"].extra_registration_parameters:add_parameter("tooltip","string",[[The string that will be displayed on the shortcut preference panel describing the shortcut.]])
1049
1050
1051
1052	events["post-import-film"]:set_text([[This event is triggered when an film import is finished (all post-import-image callbacks have already been triggered). This event can be registered multiple times.
1053	]])
1054	events["post-import-film"].callback:add_parameter("event","string",[[The name of the event that triggered the callback.]])
1055
1056	events["post-import-film"].callback:add_parameter("film",types.dt_lua_film_t,[[The new film that has been added. If multiple films were added recursively only the top level film is reported.]])
1057	events["post-import-film"].extra_registration_parameters:set_text([[This event has no extra registration parameters.]])
1058
1059	events["view-changed"]:set_text([[This event is triggered after the user changed the active view]])
1060	events["view-changed"].callback:add_parameter("event","string",[[The name of the event that triggered the callback.]])
1061	events["view-changed"].callback:add_parameter("old_view",types.dt_lua_view_t,[[The view that we just left]])
1062	events["view-changed"].callback:add_parameter("new_view",types.dt_lua_view_t,[[The view we are now in]])
1063	events["view-changed"].extra_registration_parameters:set_text([[This event has no extra registration parameters.]])
1064
1065	events["global_toolbox-grouping_toggle"]:set_text([[This event is triggered after the user toggled the grouping button.]])
1066	events["global_toolbox-grouping_toggle"].callback:add_parameter("toggle", "boolean", [[the new grouping status.]]);
1067	events["global_toolbox-grouping_toggle"].extra_registration_parameters:set_text([[This event has no extra registration parameters.]])
1068	events["global_toolbox-overlay_toggle"]:set_text([[This event is triggered after the user toggled the overlay button.]])
1069	events["global_toolbox-overlay_toggle"].callback:add_parameter("toggle", "boolean", [[the new overlay status.]]);
1070	events["global_toolbox-overlay_toggle"].extra_registration_parameters:set_text([[This event has no extra registration parameters.]])
1071
1072  events["mouse-over-image-changed"]:set_text([[This event is triggered whenever the image under the mouse changes]])
1073	events["mouse-over-image-changed"].callback:add_parameter("event","string",[[The name of the event that triggered the callback.]])
1074  events["mouse-over-image-changed"].callback:add_parameter("image",types.dt_lua_image_t,[[The new image under the mouse, can be nil if there is no image under the mouse]])
1075	events["mouse-over-image-changed"].extra_registration_parameters:set_text([[This event has no extra registration parameters.]])
1076  events["exit"]:set_text([[This event is triggered when darktable exits, it allows lua scripts to do cleanup jobs]])
1077	events["exit"].extra_registration_parameters:set_text([[This event has no extra registration parameters.]])
1078
1079  events["pre-import"]:set_text("This event is trigger before any import action");
1080	events["pre-import"].callback:add_parameter("event","string",[[The name of the event that triggered the callback.]])
1081	events["pre-import"].callback:add_parameter("images","table of string",[[The files that will be imported. Modifying this table will change the list of files that will be imported"]])
1082	events["pre-import"].extra_registration_parameters:set_text([[This event has no extra registration parameters.]])
1083	----------------------
1084	--  ATTRIBUTES      --
1085	----------------------
1086	function invisible_attr(attr)
1087		attr:set_skiped()
1088		attr:set_attribute("internal_attr",true);
1089	end
1090	attributes:set_text([[This section documents various attributes used throughout the documentation.]])
1091	invisible_attr(attributes.ret_val)
1092	invisible_attr(attributes.signature)
1093	invisible_attr(attributes.reported_type)
1094	invisible_attr(attributes.is_singleton)
1095	invisible_attr(attributes.optional)
1096	invisible_attr(attributes.skiped)
1097	invisible_attr(attributes.is_attribute)
1098	invisible_attr(attributes.internal_attr)
1099	invisible_attr(attributes.read)
1100	invisible_attr(attributes.has_pairs)
1101	invisible_attr(attributes.is_self)
1102	invisible_attr(attributes.has_length)
1103	attributes.write:set_text([[This object is a variable that can be written to.]])
1104  --attributes.has_pairs:set_text([[This object can be used as an argument to the system function "pairs" and iterated upon.]])
1105	--attributes.has_equal:set_text([[This object has a specific comparison function that will be used when comparing it to an object of the same type.]])
1106	--attributes.has_length:set_text([[This object has a specific length function that will be used by the # operator.]])
1107	attributes.has_tostring:set_text([[This object has a specific reimplementation of the "tostring" method that allows pretty-printing it.]])
1108	attributes.implicit_yield:set_text([[This call will release the Lua lock while executing, thus allowing other Lua callbacks to run.]])
1109	attributes.parent:set_text([[This object inherits some methods from another object. You can call the methods from the parent on the child object]])
1110	--attributes.views:set_skiped();
1111	--attributes.position:set_skiped();
1112	--attributes.container:set_skiped();
1113	attributes.values:set_skiped();
1114
1115--
1116-- vim: shiftwidth=2 expandtab tabstop=2 cindent syntax=lua
1117