Implement simple GUI.

boot/default.ks

@@ -10,7 +10,7 @@ CORE:doaction("Open Terminal", true).
 
 print "==================== BOOTING =====================".
 wait until SHIP:loaded and SHIP:unpacked.
-wait 0.001.  // wait one physics tick
+wait 0.  // wait one physics tick
 
 if HOMECONNECTION:isconnected {
     copy_scripts().
@@ -73,3 +73,6 @@ local function should_copy {
     }
     return false.
 }
+
+
+run "gui".

gui.ks

@@ -0,0 +1,171 @@
+@LAZYGLOBAL OFF.
+
+run once "lib/node".
+run once "lib/target".
+run once "lib/vectors".
+run once "ascend".
+run once "dock".
+
+
+// Tabs bar & main frame
+local window is gui(350).
+local tabs_bar is window:addhlayout().
+local tab_frame is window:addstack().
+
+
+function add_tab {
+    parameter name.
+
+    local frame is tab_frame:addvbox().
+    local tab_button is tabs_bar:addbutton(name).
+    set tab_button:exclusive to true. // TODO
+    set tab_button:onclick to { tab_frame:showonly(frame). }.
+
+    return frame.
+}
+
+
+function add_parameters_layout {
+    parameter widget.
+
+    local layout is widget:addvlayout().
+    local text_parameters is layout:addhlayout().
+
+    return LEXICON(
+        "names", text_parameters:addvlayout(),
+        "inputs", text_parameters:addvlayout(),
+        "units", text_parameters:addvlayout(),
+        "checkboxes", layout:addvlayout()
+    ).
+}
+
+function add_parameter {
+    parameter parameters_layout.
+    parameter name.
+    parameter default is "".
+    parameter unit is "".
+
+    if default:istype("Boolean") {  // checkbox
+        return parameters_layout["checkboxes"]:addcheckbox(name, default).
+    }
+    parameters_layout["names"]:addlabel(name).
+    parameters_layout["units"]:addlabel(unit).
+    return parameters_layout["inputs"]:addtextfield(default).
+}
+
+
+
+// ASCEND GUIDANCE
+{
+    local tab is add_tab("Ascend").
+    local parameters is add_parameters_layout(tab).
+
+    local target_orbit_altitude is add_parameter(parameters, "Target orbit altitude", "100", "km").
+    local target_orbit_inclination is add_parameter(parameters, "Target orbit inclination (0-180)", "0", "°").
+    local pitchover_tilt is add_parameter(parameters, "Pitchover tilt", "20", "°").
+    local pitchover_altitude is add_parameter(parameters, "Pitchover altitude", "1000", "m").
+    local pitchover_velocity is add_parameter(parameters, "Pitchover velocity", "100", "m/s").
+    local auto_stage is add_parameter(parameters, "Auto stage", true).
+    local auto_deploy_solar_panels is add_parameter(parameters, "Auto deplay solar panels", true).
+    local auto_deploy_fairings is add_parameter(parameters, "Auto deplay fairings", true).
+    local auto_extend_antennas is add_parameter(parameters, "Auto extend antennas", true).
+
+    set tab:addbutton("Launch"):onclick to {
+        launch(target_orbit_altitude:text:tonumber*1000,
+               target_orbit_inclination:text:tonumber,
+               pitchover_tilt:text:tonumber,
+               pitchover_altitude:text:tonumber,
+               pitchover_velocity:text:tonumber,
+               auto_stage:pressed,
+               auto_deploy_solar_panels:pressed,
+               auto_deploy_fairings:pressed,
+               auto_extend_antennas:pressed).
+    }.
+}
+
+
+// DOCKING
+{
+    local tab is add_tab("Docking").
+
+    local local_vdraw is vdraw(V(0,0,0), V(0,0,0), CYAN).
+    local target_vdraw is vdraw(V(0,0,0), V(0,0,0), CYAN).
+
+    local function add_port_popup {
+        parameter label.
+        parameter draw.
+        parameter options is LIST().
+
+        tab:addlabel(label).
+        local popup is tab:addpopupmenu().
+        set popup:optionsuffix to "title".  // make the popup display the port's :title instead of :tostring
+        for port in options {
+            popup:addoption(port).
+        }
+
+        set popup:onchange to {
+            parameter value.
+            set draw:show to true.
+            set draw:startupdater to {return value:nodeposition.}.
+            set draw:vecupdater to {return value:portfacing:vector.}.
+        }.
+
+        return popup.
+    }
+
+    local local_ports is add_port_popup("Local docking port", local_vdraw, SHIP:dockingports).
+    local target_ports is add_port_popup("Target docking port", target_vdraw).
+    set tab:addbutton("Refresh"):onclick to {
+        target_ports:clear().
+        if not HASTARGET {
+            print "No target".
+            return.
+        }
+        for port in target_ship():dockingports {
+            target_ports:addoption(port).
+        }
+    }.
+
+    local parameters is add_parameters_layout(tab).
+    local max_translation_speed is add_parameter(parameters, "Max translation speed", "1.0", "m/s").
+    local final_docking_speed is add_parameter(parameters, "Final docking speed", "0.1", "m/s").
+
+    set tab:addbutton("Dock"):onclick to {
+        local_ports:value:CONTROLFROM().
+        set TARGET to target_ports:value.
+        set local_vdraw:show to false.
+        set target_vdraw:show to false.
+        dock(max_translation_speed:text:tonumber,
+             final_docking_speed:text:tonumber).
+    }.
+}
+
+
+// MANEUVERS
+{
+    local tab is add_tab("Maneuvers").
+
+    // TODO: Like MechJebs "circularize at apoapsis/periapsis, change inclination etc.
+    // tab:addbutton("Add Maneuver Node") ...
+
+    set tab:addbutton("Execute Next Maneuver Node"):onclick to { execute_burn(NEXTNODE). }.
+}
+
+
+// RENDEZVOUS
+{
+    local tab is add_tab("Rendezvous").
+
+    // TODO: What about tolerance parameter?
+    set tab:addbutton("Kill Relative Velocity"):onclick to { kill_relative_velocity(). }.
+}
+
+
+
+// Close button
+tabs_bar:addspacing(10).
+local close_button is tabs_bar:addbutton("X").
+window:show().
+
+wait until close_button:pressed.
+window:hide().

lib/vectors.ks

@@ -19,10 +19,11 @@ function vdraw {
     //
     // Wrapper for the VECDRAW-function that doesn't hide the vector by default.
     //
-    parameter start.  // vector or function. For example, pass {return UP:vector.} to automatically update the draw
+    parameter start is V(0,0,0).  // vector or function. For example, pass {return UP:vector.} to automatically update the draw
-    parameter vector.  // same as start
+    parameter vector is V(0,0,0).  // same as start
     parameter color is RED.
     parameter label is "".
+    parameter show is true.
     parameter scale is 1.0.
     parameter width is 0.2.
 
@@ -32,7 +33,7 @@ function vdraw {
       color,
       label,
       scale,
-      true,  // show
+      show,
       width
     ).
 }