update UI

Author: semuadmin

src/pygpsclient/chart_frame.py

@@ -38,16 +38,22 @@
     W,
 )
 
-from pygpsclient.globals import BGCOL, READONLY, RPTDELAY, WIDGETU6, AreaXY
+from pygpsclient.globals import (
+    AXISCOL,
+    BGCOL,
+    GRIDCOL,
+    READONLY,
+    RPTDELAY,
+    WIDGETU6,
+    AreaXY,
+)
 from pygpsclient.helpers import data2xy, get_grid, scale_font, time2str
 
 MAXCHANS = 4
 RESFONT = 28  # font size relative to widget size
 MINFONT = 8  # minimum font size
 PLOTWID = 1
 PLOTCOLS = ("yellow", "cyan", "magenta", "deepskyblue")
-AXISCOL = "white"
-GRIDCOL = "grey40"
 GRIDMINCOL = "grey30"
 LBLGRID = 5
 GRIDSTEPS = get_grid(21)
@@ -368,7 +374,7 @@ def _on_clear(self, event):  # pylint: disable=unused-argument
         """
 
         for chn in range(self._num_chans):
-            self._chart_data[chn] = [(time(), 0)]
+            self._chart_data[chn] = []
         self._mintim = 1e20
         self._maxtim = 0
         self._can_chartview.delete(ALL)
@@ -555,7 +561,8 @@ def _update_plot(self, data: dict):
             self._draw_yaxis_labels(w, h, bounds, minval[chn], maxval[chn], chn)
 
             # plot each data point in channel
-            for idx, (tim, val) in enumerate(data[chn]):
+            inr = False
+            for tim, val in data[chn]:
 
                 if val is None:  # not numeric
                     continue
@@ -572,22 +579,24 @@ def _update_plot(self, data: dict):
                     val,
                     self._xoff,
                 )
+                if x <= self._xoff:
+                    inr = False
                 # plot line
-                if idx:
+                if inr:
                     x2, y2 = x, y
-                    if idx:
-                        self._can_chartview.create_line(
-                            x1,
-                            y1,
-                            x2,
-                            y2,
-                            fill=chncol,
-                            width=PLOTWID,
-                            tags=f"plot_{chn:1d}",
-                        )
+                    self._can_chartview.create_line(
+                        x1,
+                        y1,
+                        x2,
+                        y2,
+                        fill=chncol,
+                        width=PLOTWID,
+                        tags=f"plot_{chn:1d}",
+                    )
                     x1, y1 = x2, y2
                 else:
-                    x1, y1 = x, y
+                    x1, y1 = max(x, self._xoff), y
+                inr = True
 
     def _draw_xaxis_labels(
         self, w: int, h: int, bounds: AreaXY, mintim: float, maxtim: float

src/pygpsclient/console_frame.py

@@ -37,7 +37,7 @@
 from pygpsclient.strings import HALTTAGWARN
 
 HALT = "HALT"
-CONSOLELINES = 10
+CONSOLELINES = 20
 
 
 class ConsoleFrame(Frame):
@@ -91,7 +91,7 @@ def _body(self):
             yscrollcommand=self.sblogv.set,
             xscrollcommand=self.sblogh.set,
             wrap=NONE,
-            height=CONSOLELINES,
+            height=15,
         )
         self.sblogh.config(command=self.txt_console.xview)
         self.sblogv.config(command=self.txt_console.yview)

src/pygpsclient/globals.py

@@ -45,6 +45,7 @@ def create_circle(self, x, y, r, **kwargs):
 
 HOME = Path.home()
 APPNAME = __name__.split(".", 1)[0]  # i.e. "pygpsclient"
+AXISCOL = "white"
 BADCOL = "red"
 BGCOL = "gray24"  # default widget background color
 BPSRATES = (
@@ -138,6 +139,7 @@ def create_circle(self, x, y, r, **kwargs):
     'http://www.topografix.com/GPX/1/1/gpx.xsd"'
 )
 GPX_TRACK_INTERVAL = 1  # minimum GPS track update interval (seconds)
+GRIDCOL = "grey40"
 GUI_UPDATE_INTERVAL = 0.5  # minimum GUI widget update interval (seconds)
 ICON_APP128 = path.join(DIRNAME, "resources/app-128.png")
 ICON_BLANK = path.join(DIRNAME, "resources/blank-1-24.png")

src/pygpsclient/graphview_frame.py

@@ -14,15 +14,21 @@
 
 from tkinter import ALL, BOTH, YES, Canvas, E, Frame
 
-from pygpsclient.globals import BGCOL, FGCOL, GNSS_LIST, MAX_SNR, WIDGETU2
+from pygpsclient.globals import (
+    AXISCOL,
+    BGCOL,
+    FGCOL,
+    GNSS_LIST,
+    GRIDCOL,
+    MAX_SNR,
+    WIDGETU2,
+)
 from pygpsclient.helpers import scale_font, snr2col
 
 # Relative offsets of graph axes and legend
 AXIS_XL = 19
 AXIS_XR = 10
 AXIS_Y = 22
-AXISCOL = "white"
-GRIDCOL = "grey40"
 OL_WID = 2
 LEG_XOFF = AXIS_XL + 10
 LEG_YOFF = 5

src/pygpsclient/settings_frame.py

@@ -124,8 +124,8 @@
 
 MAXLINES = ("200", "500", "1000", "2000", "100")
 MAPTYPES = (WORLD, MAP, SAT, CUSTOM)
-MINHEIGHT = 750
-MINWIDTH = 390
+MINHEIGHT = 45  # font linespace units
+MINWIDTH = 31  # font metric width units
 
 
 class SettingsFrame(Frame):
@@ -195,9 +195,8 @@ def _container(self):
         function which invokes the on_expand() method here.
         """
 
-        fontw = font.Font.measure(self.__app.font_md, "W") * 28
-        fonth = font.Font.metrics(self.__app.font_md, "linespace") * 28
-        dimw, dimh = fontw, fonth
+        dimw = font.Font.measure(self.__app.font_md, "W") * MINWIDTH
+        dimh = font.Font.metrics(self.__app.font_md, "linespace") * MINHEIGHT
         self._frm_main = Frame(self)
         self._frm_main.pack(fill=BOTH, expand=1)
         self_frm_scrollx = Frame(self._frm_main)

src/pygpsclient/spectrum_frame.py

@@ -21,6 +21,7 @@
     BGCOL,
     FGCOL,
     GNSS_LIST,
+    GRIDCOL,
     PNTCOL,
     SPECTRUMVIEW,
     WIDGETU2,
@@ -39,7 +40,6 @@
 MAX_HZ = 1650000000
 TICK_DB = 20  # 20 dB divisions
 TICK_GHZ = 40000000  # 40 MHz divisions
-TICK_COL = "grey"
 RF_BANDS = {
     "B1": 1575420000,
     "B3": 1268520000,
@@ -170,7 +170,7 @@ def init_frame(self):
                 y1,
                 x2 + 1,
                 y1,
-                fill=TICK_COL if i else FGCOL,
+                fill=GRIDCOL if i else FGCOL,
                 tags=MODEINIT,
             )
             self.can_spectrumview.create_text(
@@ -195,7 +195,7 @@ def init_frame(self):
                 y1 - 1,
                 x1,
                 y2,
-                fill=TICK_COL if i else FGCOL,
+                fill=GRIDCOL if i else FGCOL,
                 tags=MODEINIT,
             )
             self.can_spectrumview.create_text(