Better gui with optinal info label

src/dispersionapp/core.py

@@ -78,6 +78,8 @@ class Config(BaseModel):
 
 class LimitValues(NamedTuple):
     wl_zero_disp: float
+    soliton_ion_limit:float
+    soliton_sf_limit:float
     ion_lim: float
     sf_lim: float
 

src/dispersionapp/gui.py

@@ -77,6 +77,8 @@ def app(config_file: os.PathLike | None = None):
 
             return LimitValues(
                 wl_zero_disp,
+                ion_limit,
+                sf_limit,
                 energy(t0, w0, beta2, n2, core_radius, ion_limit),
                 energy(t0, w0, beta2, n2, core_radius, sf_limit),
             )
@@ -130,19 +132,28 @@ def app(config_file: os.PathLike | None = None):
         @app.update
         def draw_energy_limit(core_diameter_um: float, pressure_mbar: float, t_fwhm_fs: float):
             lim = compute_max_energy(core_diameter_um, pressure_mbar, t_fwhm_fs)
-            if lim.ion_lim > lim.sf_lim:
-                power = lim.sf_lim * 1e3 * config.rep_rate
-                app[0].set_line_name(
-                    "Capillary", f"Capillary, max energy = {power:.0f}mW (self-focusing)"
-                )
-            else:
-                power = lim.ion_lim * 1e3 * config.rep_rate
-                app[0].set_line_name(
-                    "Capillary", f"Capillary, max energy = {power:.0f}mW (ionization)"
-                )
-
             zdw = lim.wl_zero_disp * 1e9
             app[0].set_line_data("zdw", [zdw, zdw], [-3, 3])
-            app[0].set_line_name("zdw", f"ZDW = {zdw:.0f}nm")
+
+            info_lines = [
+                f"gas = {config.gas.title()}",
+                f"rep rate = {config.rep_rate*1e-3}kHz",
+                f"ZDW = {zdw:.0f}nm",
+            ]
+            if lim.ion_lim > lim.sf_lim:
+                power = lim.sf_lim * 1e3 * config.rep_rate
+                info_lines += [
+                    f"max energy = {power:.0f}mW",
+                    f"N = {lim.soliton_sf_limit:.1f}",
+                    "limited by self-focusing",
+                ]
+            else:
+                power = lim.ion_lim * 1e3 * config.rep_rate
+                info_lines += [
+                    f"max energy = {power:.0f}mW",
+                    f"N = {lim.soliton_sf_limit:.1f}",
+                    "limited by ionization",
+                ]
+            app.info_label.setText("\n".join(info_lines))
 
     config.save()

src/dispersionapp/plotapp.py

@@ -7,11 +7,11 @@ from functools import cache
 from types import MethodType
 from typing import Any, Callable, Iterable, Iterator, Optional, Type, Union, overload
 
-from PySide6 import QtCore, QtWidgets, QtGui
 import numpy as np
 import pyqtgraph as pg
 from pyqtgraph.dockarea import Dock, DockArea
 from pyqtgraph.graphicsItems.PlotDataItem import PlotDataItem
+from PySide6 import QtCore, QtGui, QtWidgets
 
 MPL_COLORS = [
     "#1f77b4",
@@ -130,8 +130,9 @@ class SliderField(Field):
         self.value_changed.emit(new_value)
 
     def field_changed(self):
+        try:
             new_val = self.dtype(self.field.text())
-        if new_val not in self.value_to_slider_map:
+        except (ValueError, TypeError):
             self.update_label()
             return
         self.value = new_val
@@ -349,7 +350,6 @@ class Plot:
         self.add_item(key, legend_item, line)
 
     def set_lim(self, *, xlim=None, ylim=None):
-
         x_auto = xlim is None
         y_auto = ylim is None
         if not x_auto:
@@ -497,6 +497,7 @@ class PlotApp:
     params_layout: QtWidgets.QVBoxLayout
     central_widget: QtWidgets.QWidget
     params_widget: QtWidgets.QWidget
+    info_label: QtWidgets.QLabel
     plots: dict[str, Plot]
     params: dict[str, Field]
     __cache_widget: Optional[CacheWidget] = None
@@ -508,13 +509,32 @@ class PlotApp:
         self.window.resize(1200, 800)
         self.central_widget = QtWidgets.QWidget()
         self.params_widget = QtWidgets.QWidget()
+        self.header_widget = QtWidgets.QWidget()
+        self.info_label = QtWidgets.QLabel()
         self.window.setCentralWidget(self.central_widget)
+
         self.central_layout = QtWidgets.QVBoxLayout()
         self.params_layout = QtWidgets.QVBoxLayout()
+        self.header_layout = QtWidgets.QHBoxLayout()
+
+        _pl = QtWidgets.QSizePolicy.Policy.Preferred
+        info_sp = QtWidgets.QSizePolicy(_pl, _pl)
+        info_sp.setHorizontalStretch(1)
+        params_sp = QtWidgets.QSizePolicy(_pl, _pl)
+        params_sp.setHorizontalStretch(5)
+
         self.central_layout.setContentsMargins(0, 0, 0, 0)
         self.central_widget.setLayout(self.central_layout)
         self.params_widget.setLayout(self.params_layout)
-        self.central_layout.addWidget(self.params_widget, stretch=0)
+        self.header_widget.setLayout(self.header_layout)
+
+        self.params_widget.setSizePolicy(params_sp)
+        self.info_label.setSizePolicy(info_sp)
+
+        self.central_layout.addWidget(self.header_widget)
+        self.header_layout.addWidget(self.info_label)
+        self.header_layout.addWidget(self.params_widget, stretch=0)
+
         self.dock_area = DockArea()
         self.plots = {}
 
@@ -718,5 +738,3 @@ class PlotApp:
         if key not in self.plots:
             self.plots[key] = Plot(key, self.dock_area)
         return self.plots[key]
-
-