Implement the history graph in the workflow status screen.

Lua API.html

@@ -2787,6 +2787,14 @@ <h3><a class="toc-backref" href="#id49">Label class</a></h3>
 <li><p class="first"><tt class="docutils literal">token.tile = pen</tt></p>
 <p>Specifies a pen to paint as one tile before the main part of the token.</p>
 </li>
+<li><p class="first"><tt class="docutils literal">token.width = ...</tt></p>
+<p>If specified either as a value or a callback, the text field is padded
+or truncated to the specified number.</p>
+</li>
+<li><p class="first"><tt class="docutils literal">token.pad_char = <span class="pre">'?'</span></tt></p>
+<p>If specified together with <tt class="docutils literal">width</tt>, the padding area is filled with
+this character instead of just being skipped over.</p>
+</li>
 <li><p class="first"><tt class="docutils literal">token.key = <span class="pre">'...'</span></tt></p>
 <p>Specifies the keycode associated with the token. The string description
 of the key binding is added to the text content of the token.</p>
@@ -2848,7 +2856,9 @@ <h3><a class="toc-backref" href="#id50">List class</a></h3>
 </tr>
 <tr class="field"><th class="field-name">icon_pen:</th><td class="field-body">Default pen for icons.</td>
 </tr>
-<tr class="field"><th class="field-name">on_select:</th><td class="field-body">Selection change callback; called as <tt class="docutils literal">on_select(index,choice)</tt>.</td>
+<tr class="field"><th class="field-name">on_select:</th><td class="field-body">Selection change callback; called as <tt class="docutils literal">on_select(index,choice)</tt>.
+This is also called with <em>nil</em> arguments if <tt class="docutils literal">setChoices</tt> is called
+with an empty list.</td>
 </tr>
 <tr class="field"><th class="field-name">on_submit:</th><td class="field-body">Enter key callback; if specified, the list reacts to the key
 and calls it as <tt class="docutils literal">on_submit(index,choice)</tt>.</td>
@@ -2928,6 +2938,8 @@ <h3><a class="toc-backref" href="#id51">FilteredList class</a></h3>
 <tbody valign="top">
 <tr class="field"><th class="field-name">edit_pen:</th><td class="field-body">If specified, used instead of <tt class="docutils literal">cursor_pen</tt> for the edit field.</td>
 </tr>
+<tr class="field"><th class="field-name">edit_below:</th><td class="field-body">If true, the edit field is placed below the list instead of above.</td>
+</tr>
 <tr class="field"><th class="field-name" colspan="2">not_found_label:</th></tr>
 <tr class="field"><td>&nbsp;</td><td class="field-body">Specifies the text of the label shown when no items match the filter.</td>
 </tr>

Lua API.rst

@@ -2785,6 +2785,8 @@ It has the following attributes:
 :inactive_pen: If specified, used for the cursor when the widget is not active.
 :icon_pen: Default pen for icons.
 :on_select: Selection change callback; called as ``on_select(index,choice)``.
+            This is also called with *nil* arguments if ``setChoices`` is called
+            with an empty list.
 :on_submit: Enter key callback; if specified, the list reacts to the key
             and calls it as ``on_submit(index,choice)``.
 :on_submit2: Shift-Enter key callback; if specified, the list reacts to the key

Readme.html

@@ -3034,11 +3034,11 @@ <h2><a class="toc-backref" href="#id145">gui/workflow</a></h2>
 current count is below the lower bound of the range, the job is resumed; if it
 is above or equal to the top bound, it will be suspended. Within the range, the
 specific constraint has no effect on the job; others may still affect it.</p>
-<p>Pressing 'c' switches the current constraint between counting stacks or items.
-Pressing 'm' lets you input the range directly; 'e', 'r', 'd', 'f' adjust the
-bounds by 1, 5, or 25 depending on the direction and the 'c' setting (counting
-items and expanding the range each gives a 5x bonus).</p>
-<p>Pressing 'n' produces a list of possible outputs of this job as guessed by
+<p>Pressing 'I' switches the current constraint between counting stacks or items.
+Pressing 'R' lets you input the range directly; 'e', 'r', 'd', 'f' adjust the
+bounds by 5, 10, or 20 depending on the direction and the 'I' setting (counting
+items and expanding the range each gives a 2x bonus).</p>
+<p>Pressing 'A' produces a list of possible outputs of this job as guessed by
 workflow, and lets you create a new constraint by choosing one as template. If you
 don't see the choice you want in the list, it likely means you have to adjust
 the job material first using <tt class="docutils literal">job <span class="pre">item-material</span></tt> or <tt class="docutils literal"><span class="pre">gui/workshop-job</span></tt>,
@@ -3050,6 +3050,23 @@ <h2><a class="toc-backref" href="#id145">gui/workflow</a></h2>
 next dialog, which allows you to edit the suggested constraint parameters to
 suit your need, and set the item count range.</p>
 <img alt="images/workflow-new2.png" src="images/workflow-new2.png" />
+<p>Pressing 'S' (or, with the example config, Alt-W in the 'z' stocks screen)
+opens the overall status screen, which was copied from the C++ implementation
+by falconne for better integration with the rest of the lua script:</p>
+<img alt="images/workflow-status.png" src="images/workflow-status.png" />
+<p>This screen shows all currently existing workflow constraints, and allows
+monitoring and/or changing them from one screen. The constraint list can
+be filtered by typing text in the field below.</p>
+<p>The color of the stock level number indicates how &quot;healthy&quot; the stock level
+is, based on current count and trend. Bright green is very good, green is good,
+red is bad, bright red is very bad.</p>
+<p>The limit number is also color-coded. Red means that there are currently no
+workshops producing that item (i.e. no jobs). If it's yellow, that means the
+production has been delayed, possibly due to lack of input materials.</p>
+<p>The chart on the right is a plot of the last 14 days (28 half day plots) worth
+of stock history for the selected item, with the rightmost point representing
+the current stock value. The bright green dashed line is the target
+limit (maximum) and the dark green line is that minus the gap (minimum).</p>
 </div>
 <div class="section" id="gui-assign-rack">
 <h2><a class="toc-backref" href="#id146">gui/assign-rack</a></h2>

Readme.rst

@@ -2295,12 +2295,12 @@ current count is below the lower bound of the range, the job is resumed; if it
 is above or equal to the top bound, it will be suspended. Within the range, the
 specific constraint has no effect on the job; others may still affect it.
 
-Pressing 'c' switches the current constraint between counting stacks or items.
-Pressing 'm' lets you input the range directly; 'e', 'r', 'd', 'f' adjust the
-bounds by 1, 5, or 25 depending on the direction and the 'c' setting (counting
-items and expanding the range each gives a 5x bonus).
+Pressing 'I' switches the current constraint between counting stacks or items.
+Pressing 'R' lets you input the range directly; 'e', 'r', 'd', 'f' adjust the
+bounds by 5, 10, or 20 depending on the direction and the 'I' setting (counting
+items and expanding the range each gives a 2x bonus).
 
-Pressing 'n' produces a list of possible outputs of this job as guessed by
+Pressing 'A' produces a list of possible outputs of this job as guessed by
 workflow, and lets you create a new constraint by choosing one as template. If you
 don't see the choice you want in the list, it likely means you have to adjust
 the job material first using ``job item-material`` or ``gui/workshop-job``,
@@ -2316,6 +2316,29 @@ suit your need, and set the item count range.
 
 .. image:: images/workflow-new2.png
 
+Pressing 'S' (or, with the example config, Alt-W in the 'z' stocks screen)
+opens the overall status screen, which was copied from the C++ implementation
+by falconne for better integration with the rest of the lua script:
+
+.. image:: images/workflow-status.png
+
+This screen shows all currently existing workflow constraints, and allows
+monitoring and/or changing them from one screen. The constraint list can
+be filtered by typing text in the field below.
+
+The color of the stock level number indicates how "healthy" the stock level
+is, based on current count and trend. Bright green is very good, green is good,
+red is bad, bright red is very bad.
+
+The limit number is also color-coded. Red means that there are currently no
+workshops producing that item (i.e. no jobs). If it's yellow, that means the
+production has been delayed, possibly due to lack of input materials.
+
+The chart on the right is a plot of the last 14 days (28 half day plots) worth
+of stock history for the selected item, with the rightmost point representing
+the current stock value. The bright green dashed line is the target
+limit (maximum) and the dark green line is that minus the gap (minimum).
+
 
 gui/assign-rack
 ===============

dfhack.init-example

@@ -91,6 +91,7 @@ keybinding add Alt-A@dwarfmode/QueryBuilding/Some/Workshop/Job gui/workshop-job
 
 # workflow front-end
 keybinding add Alt-W@dwarfmode/QueryBuilding/Some/Workshop/Job gui/workflow
+keybinding add Alt-W@overallstatus "gui/workflow status"
 
 # assign weapon racks to squads so that they can be used
 keybinding add P@dwarfmode/QueryBuilding/Some/Weaponrack gui/assign-rack

library/lua/gui/widgets.lua

@@ -418,7 +418,13 @@ List.ATTRS{
 function List:init(info)
     self.page_top = 1
     self.page_size = 1
-    self:setChoices(info.choices, info.selected)
+
+    if info.choices then
+        self:setChoices(info.choices, info.selected)
+    else
+        self.choices = {}
+        self.selected = 1
+    end
 end
 
 function List:setChoices(choices, selected)
@@ -481,6 +487,9 @@ function List:moveCursor(delta, force_cb)
     if cnt < 1 then
         self.page_top = 1
         self.selected = 1
+        if force_cb and self.on_select then
+            self.on_select(nil,nil)
+        end
         return
     end
 
@@ -657,13 +666,17 @@ function FilteredList:init(info)
         end
     end
     self.not_found = Label{
-        visible = false,
+        visible = true,
         text = info.not_found_label or 'No matches',
         text_pen = COLOR_LIGHTRED,
         frame = { l = info.icon_width, t = self.list.frame.t },
     }
     self:addviews{ self.edit, self.list, self.not_found }
-    self:setChoices(info.choices, info.selected)
+    if info.choices then
+        self:setChoices(info.choices, info.selected)
+    else
+        self.choices = {}
+    end
 end
 
 function FilteredList:getChoices()