diff options
author | Robin Gareus <robin@gareus.org> | 2017-08-09 15:04:42 +0200 |
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committer | Robin Gareus <robin@gareus.org> | 2017-08-10 02:26:16 +0200 |
commit | 8fbc2c64842d5dc637dbe16e2d312545d1cff18b (patch) | |
tree | 9690d8c22003506a357212d3c4f1788719fd36f2 /scripts | |
parent | e983e08f1d70bc872aa4c8cc11afb2c739e9981d (diff) |
Add some more Lua script examples
Diffstat (limited to 'scripts')
-rw-r--r-- | scripts/_session_load_hook.lua | 32 | ||||
-rw-r--r-- | scripts/_system_exec.lua | 20 | ||||
-rw-r--r-- | scripts/_template_example.lua | 40 |
3 files changed, 92 insertions, 0 deletions
diff --git a/scripts/_session_load_hook.lua b/scripts/_session_load_hook.lua new file mode 100644 index 0000000000..82546814f8 --- /dev/null +++ b/scripts/_session_load_hook.lua @@ -0,0 +1,32 @@ +ardour { + ["type"] = "EditorHook", + name = "Load Session Hook Example", + author = "Ardour Lua Task Force", + description = "Display some dialogs during session load and execute actions", +} + +-- subscribe to signals +-- http://manual.ardour.org/lua-scripting/class_reference/#LuaSignal.LuaSignal +function signals () + s = LuaSignal.Set() + s:add ({[LuaSignal.SetSession] = true}) + return s +end + +-- create callback functions +function factory () return function (signal, ...) + assert (signal == LuaSignal.SetSession) + local md = LuaDialog.Message ("Set Session", "Loading Session:" .. Session:name(), LuaDialog.MessageType.Info, LuaDialog.ButtonType.Close) + md:run() + + local dialog_options = { + { type = "checkbox", key = "tempo", default = true, title = "Show Tempo Ruler" }, + { type = "checkbox", key = "meter", default = true, title = "Show Meter Ruler" }, + } + local dlg = LuaDialog.Dialog ("Tweak Rulers", dialog_options) + local rv = dlg:run() + if (rv) then + Editor:set_toggleaction ("Rulers", "toggle-tempo-ruler", rv['tempo']) + Editor:set_toggleaction ("Rulers", "toggle-meter-ruler", rv['meter']) + end +end end diff --git a/scripts/_system_exec.lua b/scripts/_system_exec.lua new file mode 100644 index 0000000000..281f5dee0b --- /dev/null +++ b/scripts/_system_exec.lua @@ -0,0 +1,20 @@ +ardour { ["type"] = "EditorAction", name = "System Exec" } + +function factory () return function () + -- ** EXAMPLES TO RUN EXTERNAL APPLICATIONS ** -- + + -- run a command in a shell and wait for it to complete. + -- + -- Details: basically just system(3), except on Unix like systems with + -- memory-locking, this call is special-cased to use vfork and close + -- file-descriptors. On other systems it defaults to Lua's os-library + -- built-in os.execute system() call. + os.execute ("date > /tmp/testdate") + + -- os.forkexec() works as fire-and-forget. execv(3) style + -- + -- Details: It calls vfork() and exec() under the hood, passing each + -- argument separately to exec (and needs a full-path to the binary). + os.forkexec ("/usr/bin/xterm") + os.forkexec ("/bin/sh", "-c", "import --frame \"/tmp/scr_$(date).png\"") +end end diff --git a/scripts/_template_example.lua b/scripts/_template_example.lua new file mode 100644 index 0000000000..e219cb209e --- /dev/null +++ b/scripts/_template_example.lua @@ -0,0 +1,40 @@ +-- +-- Session Template setup-hook +-- +-- If a script named 'template.lua' exists in a session-template folder +-- the `template_load` function of the script is called after +-- creating the session from the template. +-- +-- (e.g. ~/.config/ardour5/templates/Template-Name/template.lua +-- + +function template_load () + local e = Session:engine() + -- from the engine's POV readable/capture ports are "outputs" + local _, t = e:get_backend_ports ("", ARDOUR.DataType("audio"), ARDOUR.PortFlags.IsOutput | ARDOUR.PortFlags.IsPhysical, C.StringVector()) + -- table 't' holds argument references. t[4] is the C.StringVector (return value) + local tracks = t[4]:size(); + + local dialog_options = { + { type = "heading", title = "Customize Session: " .. Session:name () }, + { type = "number", key = "tracks", title = "Create Tracks", min = 0, max = 128, step = 1, digits = 0, default = tracks }, + { type = "checkbox", key = "recarm", default = false, title = "Record Arm Tracks" }, + } + + local dlg = LuaDialog.Dialog ("Template Setup", dialog_options) + local rv = dlg:run() + if (not rv or rv['tracks'] == 0) then + return + end + + -- create tracks + local tl = Session:new_audio_track (1, 2, nil, rv['tracks'], "", ARDOUR.PresentationInfo.max_order, ARDOUR.TrackMode.Normal) + -- and optionally record-arm them + if rv['recarm'] then + for track in tl:iter() do + track:rec_enable_control ():set_value (1, PBD.GroupControlDisposition.NoGroup) + end + end + + Session:save_state(""); +end |