diff options
Diffstat (limited to 'gr-wxgui/src/python/fft_window.py')
| -rw-r--r-- | gr-wxgui/src/python/fft_window.py | 53 |
1 files changed, 52 insertions, 1 deletions
diff --git a/gr-wxgui/src/python/fft_window.py b/gr-wxgui/src/python/fft_window.py index 4ee5520f7..f4f485f4b 100644 --- a/gr-wxgui/src/python/fft_window.py +++ b/gr-wxgui/src/python/fft_window.py @@ -1,5 +1,5 @@ # -# Copyright 2008, 2009 Free Software Foundation, Inc. +# Copyright 2008, 2009, 2010 Free Software Foundation, Inc. # # This file is part of GNU Radio # @@ -37,6 +37,7 @@ import forms ################################################## SLIDER_STEPS = 100 AVG_ALPHA_MIN_EXP, AVG_ALPHA_MAX_EXP = -3, 0 +PERSIST_ALPHA_MIN_EXP, PERSIST_ALPHA_MAX_EXP = -2, 0 DEFAULT_WIN_SIZE = (600, 300) DEFAULT_FRAME_RATE = gr.prefs().get_long('wxgui', 'fft_rate', 30) DB_DIV_MIN, DB_DIV_MAX = 1, 20 @@ -97,7 +98,38 @@ class control_panel(wx.Panel): for widget in (avg_alpha_text, avg_alpha_slider): parent.subscribe(AVERAGE_KEY, widget.Enable) widget.Enable(parent[AVERAGE_KEY]) + parent.subscribe(AVERAGE_KEY, widget.ShowItems) + #allways show initially, so room is reserved for them + widget.ShowItems(True) # (parent[AVERAGE_KEY]) + + parent.subscribe(AVERAGE_KEY, self._update_layout) + + forms.check_box( + sizer=options_box, parent=self, label='Persistence', + ps=parent, key=USE_PERSISTENCE_KEY, + ) + #static text and slider for persist alpha + persist_alpha_text = forms.static_text( + sizer=options_box, parent=self, label='Persist Alpha', + converter=forms.float_converter(lambda x: '%.4f'%x), + ps=parent, key=PERSIST_ALPHA_KEY, width=50, + ) + persist_alpha_slider = forms.log_slider( + sizer=options_box, parent=self, + min_exp=PERSIST_ALPHA_MIN_EXP, + max_exp=PERSIST_ALPHA_MAX_EXP, + num_steps=SLIDER_STEPS, + ps=parent, key=PERSIST_ALPHA_KEY, + ) + for widget in (persist_alpha_text, persist_alpha_slider): + parent.subscribe(USE_PERSISTENCE_KEY, widget.Enable) + widget.Enable(parent[USE_PERSISTENCE_KEY]) + parent.subscribe(USE_PERSISTENCE_KEY, widget.ShowItems) + #allways show initially, so room is reserved for them + widget.ShowItems(True) # (parent[USE_PERSISTENCE_KEY]) + parent.subscribe(USE_PERSISTENCE_KEY, self._update_layout) + #trace menu for trace in TRACES: trace_box = wx.BoxSizer(wx.HORIZONTAL) @@ -144,6 +176,7 @@ class control_panel(wx.Panel): ) #set sizer self.SetSizerAndFit(control_box) + #mouse wheel event def on_mouse_wheel(event): if event.GetWheelRotation() < 0: self._on_incr_ref_level(event) @@ -161,6 +194,14 @@ class control_panel(wx.Panel): self.parent[Y_PER_DIV_KEY] = min(DB_DIV_MAX, common.get_clean_incr(self.parent[Y_PER_DIV_KEY])) def _on_decr_db_div(self, event): self.parent[Y_PER_DIV_KEY] = max(DB_DIV_MIN, common.get_clean_decr(self.parent[Y_PER_DIV_KEY])) + ################################################## + # subscriber handlers + ################################################## + def _update_layout(self,key): + # Just ignore the key value we get + # we only need to now that the visability or size of something has changed + self.parent.Layout() + #self.parent.Fit() ################################################## # FFT window with plotter and control panel @@ -183,7 +224,10 @@ class fft_window(wx.Panel, pubsub.pubsub): avg_alpha_key, peak_hold, msg_key, + use_persistence, + persist_alpha, ): + pubsub.pubsub.__init__(self) #setup self.samples = EMPTY_TRACE @@ -204,6 +248,8 @@ class fft_window(wx.Panel, pubsub.pubsub): self[REF_LEVEL_KEY] = ref_level self[BASEBAND_FREQ_KEY] = baseband_freq self[RUNNING_KEY] = True + self[USE_PERSISTENCE_KEY] = use_persistence + self[PERSIST_ALPHA_KEY] = persist_alpha for trace in TRACES: #a function that returns a function #so the function wont use local trace @@ -232,6 +278,8 @@ class fft_window(wx.Panel, pubsub.pubsub): self.plotter.enable_legend(True) self.plotter.enable_point_label(True) self.plotter.enable_grid_lines(True) + self.plotter.set_use_persistence(use_persistence) + self.plotter.set_persist_alpha(persist_alpha) #setup the box with plot and controls self.control_panel = control_panel(self) main_box = wx.BoxSizer(wx.HORIZONTAL) @@ -247,9 +295,12 @@ class fft_window(wx.Panel, pubsub.pubsub): Y_PER_DIV_KEY, X_DIVS_KEY, Y_DIVS_KEY, REF_LEVEL_KEY, ): self.subscribe(key, self.update_grid) + self.subscribe(USE_PERSISTENCE_KEY, self.plotter.set_use_persistence) + self.subscribe(PERSIST_ALPHA_KEY, self.plotter.set_persist_alpha) #initial update self.update_grid() + def autoscale(self, *args): """ Autoscale the fft plot to the last frame. |