SolverLog: Add colors.

src/View/RunSolver/Window.py

@@ -92,7 +92,7 @@ class SolverLogWindow(ASubMainWindow, ListedSubWindow):
         self._alarm.start(500)
         self._output = Queue()
 
-        self._log(f" *** Run solver {self._solver.name}")
+        self._log(f" *** Run solver {self._solver.name}", color="blue")
         self._solver.run(self._process, self._output)
 
     def setup_action(self):
@@ -110,13 +110,21 @@ class SolverLogWindow(ASubMainWindow, ListedSubWindow):
 
         self._alarm.timeout.connect(self.update)
 
-    def _log(self, msg):
+    def _log(self, msg, color=None):
         if type(msg) == str:
             msg = msg.rsplit('\n')[0]
+
+            if color is not None:
+                msg = f"<font color=\"{color}\">" + msg + "</font>"
+
             self.find(QTextEdit, "textEdit").append(msg)
+
         elif type(msg) == int:
+            color = "blue" if msg == 0 else "red"
             self.find(QTextEdit, "textEdit")\
-                .append(f" *** Solver finished with code {msg}")
+                .append(f"<font color=\"{color}\">" +
+                        f"*** Solver finished with code {msg}" +
+                        "</font>")
 
     def update(self):
         while self._output.qsize() != 0:
@@ -124,7 +132,7 @@ class SolverLogWindow(ASubMainWindow, ListedSubWindow):
             self._log(s)
 
     def start(self):
-        self._log(" *** Start")
+        self._log(" *** Start", color="blue")
 
         self._solver.start()
 
@@ -133,7 +141,7 @@ class SolverLogWindow(ASubMainWindow, ListedSubWindow):
         self.find(QAction, "action_stop").setEnabled(True)
 
     def pause(self):
-        self._log(" *** Pause")
+        self._log(" *** Pause", color="blue")
 
         self._solver.pause()
 
@@ -142,7 +150,7 @@ class SolverLogWindow(ASubMainWindow, ListedSubWindow):
         self.find(QAction, "action_stop").setEnabled(True)
 
     def stop(self):
-        self._log(" *** Stop")
+        self._log(" *** Stop", color="blue")
 
         self._solver.kill()