Merge remote-tracking branch 'origin/master'

13 files changed, 32 insertions, 438 deletions

diff --git a/src/Test_Plots/test.py b/src/Test_Plots/test.py
deleted file mode 100644
index 3fb0d51..0000000
--- a/src/Test_Plots/test.py
+++ /dev/null
@@ -1,57 +0,0 @@
-import dearpygui.dearpygui as dpg
-from math import sin
-
-import qpks as qp
-
-q = qp.qpsk_nogui()
-
-dpg.create_context()
-
-# data = q.analog_random_source_x_0
-
-sindatax = []
-sindatay = []
-for i in range(0, 100):
-    sindatax.append(i / 100)
-    sindatay.append(0.5 + 0.5 * sin(50 * i / 100))
-sindatay2 = []
-for i in range(0, 100):
-    sindatay2.append(2 + 0.5 * sin(50 * i / 100))
-
-with dpg.window(label="Tutorial", width=500, height=400):
-    # create a theme for the plot
-    with dpg.theme(tag="plot_theme"):
-        with dpg.theme_component(dpg.mvStemSeries):
-            dpg.add_theme_color(dpg.mvPlotCol_Line, (150, 255, 0), category=dpg.mvThemeCat_Plots)
-            dpg.add_theme_style(dpg.mvPlotStyleVar_Marker, dpg.mvPlotMarker_Diamond, category=dpg.mvThemeCat_Plots)
-            dpg.add_theme_style(dpg.mvPlotStyleVar_MarkerSize, 7, category=dpg.mvThemeCat_Plots)
-
-        with dpg.theme_component(dpg.mvScatterSeries):
-            dpg.add_theme_color(dpg.mvPlotCol_Line, (60, 150, 200), category=dpg.mvThemeCat_Plots)
-            dpg.add_theme_style(dpg.mvPlotStyleVar_Marker, dpg.mvPlotMarker_Square, category=dpg.mvThemeCat_Plots)
-            dpg.add_theme_style(dpg.mvPlotStyleVar_MarkerSize, 4, category=dpg.mvThemeCat_Plots)
-
-    # create plot
-    with dpg.plot(tag="plot", label="Line Series", height=-1, width=-1):
-
-        # optionally create legend
-        dpg.add_plot_legend()
-
-        # REQUIRED: create x and y axes
-        dpg.add_plot_axis(dpg.mvXAxis, label="x")
-        dpg.add_plot_axis(dpg.mvYAxis, label="y", tag="yaxis")
-
-        # series belong to a y axis
-        # dpg.add_stem_series(data, sindatay, label="Source", parent="yaxis", tag="series_data")
-        dpg.add_stem_series(sindatax, sindatay, label="0.5 + 0.5 * sin(x)", parent="yaxis", tag="series_data")
-        dpg.add_scatter_series(sindatax, sindatay2, label="2 + 0.5 * sin(x)", parent="yaxis", tag="series_data2")
-
-        # apply theme to series
-        dpg.bind_item_theme("series_data", "plot_theme")
-        dpg.bind_item_theme("series_data2", "plot_theme")
-
-dpg.create_viewport(title='Custom Title', width=800, height=600)
-dpg.setup_dearpygui()
-dpg.show_viewport()
-dpg.start_dearpygui()
-dpg.destroy_context()
\ No newline at end of file
diff --git a/src/Test_Plots/test10.py b/src/Test_Plots/test10.py
deleted file mode 100644
index d478d9a..0000000
--- a/src/Test_Plots/test10.py
+++ /dev/null
@@ -1,53 +0,0 @@
-from dearpygui.core import *
-from dearpygui.simple import *
-from math import cos
-
-def plot_callback(sender, data):
-    # keeping track of frames
-    frame_count = get_data("frame_count")
-    frame_count += 1
-    add_data("frame_count", frame_count)
-
-    # updating plot data
-    plot_datax = get_data("plot_datax")
-    plot_datay = get_data("plot_datay")
-    if len(plot_datax) > 2000:
-        frame_count = 0
-        plot_datax.clear()
-        plot_datay.clear()
-    plot_datax.append(3.14 * frame_count / 180)
-    plot_datay.append(cos(3 * 3.14 * frame_count / 180))
-    add_data("plot_datax", plot_datax)
-    add_data("plot_datay", plot_datay)
-
-    # plotting new data
-    add_line_series("Plot", "Cos", plot_datax, plot_datay, weight=2)
-
-with window("Tutorial", width=500, height=500):
-    add_plot("Plot", height=-1)
-    add_data("plot_datax", [])
-    add_data("plot_datay", [])
-    add_data("frame_count", 0)
-    add_input_text("freq")
-    with menu_bar("Main Menu Bar"):
-        with menu("File"):
-            add_menu_item("test")
-    set_render_callback(plot_callback)
-
-with window("Heat", width=500, height=500):
-    add_plot("HeatPlot", show_color_scale=False, scale_min=0.0, scale_max=6.0, 
-                         scale_height=400, no_legend=True, 
-                         no_mouse_pos=True, xaxis_lock_min=True, xaxis_lock_max=True, xaxis_no_gridlines=True, xaxis_no_tick_marks=True,
-                         yaxis_no_gridlines=True, yaxis_no_tick_marks=True, yaxis_lock_min=True, yaxis_lock_max=True, height=400)
-    set_color_map("HeatPlot", 6)
-    values = [0.8, 2.4, 2.5, 3.9, 0.0, 4.0, 0.0,
-                          2.4, 0.0, 4.0, 1.0, 2.7, 0.0, 0.0,
-                          1.1, 2.4, 0.8, 4.3, 1.9, 4.4, 0.0,
-                          0.6, 0.0, 0.3, 0.0, 3.1, 0.0, 0.0,
-                          0.7, 1.7, 0.6, 2.6, 2.2, 6.2, 0.0,
-                          1.3, 1.2, 0.0, 0.0, 0.0, 3.2, 5.1,
-                          0.1, 2.0, 0.0, 1.4, 0.0, 1.9, 6.3]
-    add_heat_series("HeatPlot", "heat data", values, 7, 7, 0, 6, format='')
-    
-
-start_dearpygui()
\ No newline at end of file
diff --git a/src/Test_Plots/test1_updating_series_data.py b/src/Test_Plots/test1_updating_series_data.py
deleted file mode 100644
index 1371008..0000000
--- a/src/Test_Plots/test1_updating_series_data.py
+++ /dev/null
@@ -1,30 +0,0 @@
-import dearpygui.dearpygui as dpg
-from math import sin
-
-dpg.create_context()
-
-# creating data
-sindatax = []
-sindatay = []
-for i in range(0, 500):
-    sindatax.append(i / 1000)
-    sindatay.append(0.5 + 0.5 * sin(50 * i / 1000))
-
-with dpg.window(label="Tutorial"):
-    # create plot
-    with dpg.plot(label="Line Series", height=400, width=400):
-        # optionally create legend
-        dpg.add_plot_legend()
-
-        # REQUIRED: create x and y axes
-        dpg.add_plot_axis(dpg.mvXAxis, label="x")
-        dpg.add_plot_axis(dpg.mvYAxis, label="y", tag="y_axis")
-
-        # series belong to a y axis
-        dpg.add_line_series(sindatax, sindatay, label="0.5 + 0.5 * sin(x)", parent="y_axis")
-
-dpg.create_viewport(title='Custom Title', width=800, height=600)
-dpg.setup_dearpygui()
-dpg.show_viewport()
-dpg.start_dearpygui()
-dpg.destroy_context()
\ No newline at end of file
diff --git a/src/Test_Plots/test2_axis_limis.py b/src/Test_Plots/test2_axis_limis.py
deleted file mode 100644
index bdfeda1..0000000
--- a/src/Test_Plots/test2_axis_limis.py
+++ /dev/null
@@ -1,40 +0,0 @@
-import dearpygui.dearpygui as dpg
-from math import sin, cos
-
-dpg.create_context()
-
-sindatax = []
-sindatay = []
-for i in range(0, 500):
-    sindatax.append(i / 1000)
-    sindatay.append(0.5 + 0.5 * sin(50 * i / 1000))
-
-def update_series():
-
-    cosdatax = []
-    cosdatay = []
-    for i in range(0, 500):
-        cosdatax.append(i / 1000)
-        cosdatay.append(0.5 + 0.5 * cos(50 * i / 1000))
-    dpg.set_value('series_tag', [cosdatax, cosdatay])
-    dpg.set_item_label('series_tag', "0.5 + 0.5 * cos(x)")
-
-with dpg.window(label="Tutorial", tag="win"):
-    dpg.add_button(label="Update Series", callback=update_series)
-    # create plot
-    with dpg.plot(label="Line Series", height=400, width=400):
-        # optionally create legend
-        dpg.add_plot_legend()
-
-        # REQUIRED: create x and y axes
-        dpg.add_plot_axis(dpg.mvXAxis, label="x")
-        dpg.add_plot_axis(dpg.mvYAxis, label="y", tag="y_axis")
-
-        # series belong to a y axis
-        dpg.add_line_series(sindatax, sindatay, label="0.5 + 0.5 * sin(x)", parent="y_axis", tag="series_tag")
-
-dpg.create_viewport(title='Custom Title', width=800, height=600)
-dpg.setup_dearpygui()
-dpg.show_viewport()
-dpg.start_dearpygui()
-dpg.destroy_context()
diff --git a/src/Test_Plots/test3_custom_axis_labels.py b/src/Test_Plots/test3_custom_axis_labels.py
deleted file mode 100644
index be6b80b..0000000
--- a/src/Test_Plots/test3_custom_axis_labels.py
+++ /dev/null
@@ -1,34 +0,0 @@
-import dearpygui.dearpygui as dpg
-
-dpg.create_context()
-
-with dpg.window(label="Tutorial", width=400, height=400):
-    with dpg.group(horizontal=True):
-        dpg.add_button(label="fit y", callback=lambda: dpg.fit_axis_data("y_axis"))
-        dpg.add_button(label="unlock x limits", callback=lambda: dpg.set_axis_limits_auto("x_axis"))
-        dpg.add_button(label="unlock y limits", callback=lambda: dpg.set_axis_limits_auto("y_axis"))
-        dpg.add_button(label="print limits x", callback=lambda: print(dpg.get_axis_limits("x_axis")))
-        dpg.add_button(label="print limits y", callback=lambda: print(dpg.get_axis_limits("y_axis")))
-
-    with dpg.plot(label="Bar Series", height=-1, width=-1):
-        dpg.add_plot_legend()
-
-        # create x axis
-        dpg.add_plot_axis(dpg.mvXAxis, label="Student", no_gridlines=True, tag="x_axis")
-        dpg.set_axis_limits(dpg.last_item(), 9, 33)
-        dpg.set_axis_ticks(dpg.last_item(), (("S1", 11), ("S2", 21), ("S3", 31)))
-
-        # create y axis
-        dpg.add_plot_axis(dpg.mvYAxis, label="Score", tag="y_axis")
-        dpg.set_axis_limits("y_axis", 0, 110)
-
-        # add series to y axis
-        dpg.add_bar_series([10, 20, 30], [100, 75, 90], label="Final Exam", weight=1, parent="y_axis")
-        dpg.add_bar_series([11, 21, 31], [83, 75, 72], label="Midterm Exam", weight=1, parent="y_axis")
-        dpg.add_bar_series([12, 22, 32], [42, 68, 23], label="Course Grade", weight=1, parent="y_axis")
-
-dpg.create_viewport(title='Custom Title', width=800, height=600)
-dpg.setup_dearpygui()
-dpg.show_viewport()
-dpg.start_dearpygui()
-dpg.destroy_context()
\ No newline at end of file
diff --git a/src/Test_Plots/test4_multiple_y_axes.py b/src/Test_Plots/test4_multiple_y_axes.py
deleted file mode 100644
index ebaac7e..0000000
--- a/src/Test_Plots/test4_multiple_y_axes.py
+++ /dev/null
@@ -1,25 +0,0 @@
-import dearpygui.dearpygui as dpg
-
-dpg.create_context()
-
-with dpg.window(label="Tutorial", width=400, height=400):
-    with dpg.plot(label="Bar Series", height=-1, width=-1):
-        dpg.add_plot_legend()
-
-        # create x axis
-        dpg.add_plot_axis(dpg.mvXAxis, label="Student", no_gridlines=True)
-        dpg.set_axis_ticks(dpg.last_item(), (("S1", 11), ("S2", 21), ("S3", 31)))
-
-        # create y axis
-        dpg.add_plot_axis(dpg.mvYAxis, label="Score", tag="yaxis_tag")
-
-        # add series to y axis
-        dpg.add_bar_series([10, 20, 30], [100, 75, 90], label="Final Exam", weight=1, parent="yaxis_tag")
-        dpg.add_bar_series([11, 21, 31], [83, 75, 72], label="Midterm Exam", weight=1, parent="yaxis_tag")
-        dpg.add_bar_series([12, 22, 32], [42, 68, 23], label="Course Grade", weight=1, parent="yaxis_tag")
-
-dpg.create_viewport(title='Custom Title', width=800, height=600)
-dpg.setup_dearpygui()
-dpg.show_viewport()
-dpg.start_dearpygui()
-dpg.destroy_context()
\ No newline at end of file
diff --git a/src/Test_Plots/test5_annotations.py b/src/Test_Plots/test5_annotations.py
deleted file mode 100644
index 9deff6b..0000000
--- a/src/Test_Plots/test5_annotations.py
+++ /dev/null
@@ -1,32 +0,0 @@
-import dearpygui.dearpygui as dpg
-from math import sin
-
-dpg.create_context()
-
-
-sindatax = []
-sindatay = []
-for i in range(0, 100):
-    sindatax.append(i / 100)
-    sindatay.append(0.5 + 0.5 * sin(50 * i / 100))
-
-with dpg.window(label="Tutorial", width=400, height=400):
-    with dpg.plot(label="Annotations", height=-1, width=-1):
-        dpg.add_plot_legend()
-        dpg.add_plot_axis(dpg.mvXAxis, label="x")
-        dpg.add_plot_axis(dpg.mvYAxis, label="y")
-        dpg.add_line_series(sindatax, sindatay, label="0.5 + 0.5 * sin(x)", parent=dpg.last_item())
-
-        # annotations belong to the plot NOT axis
-        dpg.add_plot_annotation(label="BL", default_value=(0.25, 0.25), offset=(-15, 15), color=[255, 255, 0, 255])
-        dpg.add_plot_annotation(label="BR", default_value=(0.75, 0.25), offset=(15, 15), color=[255, 255, 0, 255])
-        dpg.add_plot_annotation(label="TR not clampled", default_value=(0.75, 0.75), offset=(-15, -15),
-                                color=[255, 255, 0, 255], clamped=False)
-        dpg.add_plot_annotation(label="TL", default_value=(0.25, 0.75), offset=(-15, -15), color=[255, 255, 0, 255])
-        dpg.add_plot_annotation(label="Center", default_value=(0.5, 0.5), color=[255, 255, 0, 255])
-
-dpg.create_viewport(title='Custom Title', width=800, height=600)
-dpg.setup_dearpygui()
-dpg.show_viewport()
-dpg.start_dearpygui()
-dpg.destroy_context()
diff --git a/src/Test_Plots/test6_drag_points_and_lines.py b/src/Test_Plots/test6_drag_points_and_lines.py
deleted file mode 100644
index c6d8862..0000000
--- a/src/Test_Plots/test6_drag_points_and_lines.py
+++ /dev/null
@@ -1,26 +0,0 @@
-import dearpygui.dearpygui as dpg
-
-dpg.create_context()
-
-def print_val(sender):
-    print(dpg.get_value(sender))
-
-with dpg.window(label="Tutorial", width=400, height=400):
-    with dpg.plot(label="Drag Lines/Points", height=-1, width=-1):
-        dpg.add_plot_legend()
-        dpg.add_plot_axis(dpg.mvXAxis, label="x")
-        dpg.set_axis_limits(dpg.last_item(), -5, 5)
-        dpg.add_plot_axis(dpg.mvYAxis, label="y")
-        dpg.set_axis_limits(dpg.last_item(), -5, 5)
-
-        # drag lines/points belong to the plot NOT axis
-        dpg.add_drag_line(label="dline1", color=[255, 0, 0, 255], default_value=2.0, callback=print_val)
-        dpg.add_drag_line(label="dline2", color=[255, 255, 0, 255], vertical=False, default_value=-2, callback=print_val)
-        dpg.add_drag_point(label="dpoint1", color=[255, 0, 255, 255], default_value=(1.0, 1.0), callback=print_val)
-        dpg.add_drag_point(label="dpoint2", color=[255, 0, 255, 255], default_value=(-1.0, 1.0), callback=print_val)
-
-dpg.create_viewport(title='Custom Title', width=800, height=600)
-dpg.setup_dearpygui()
-dpg.show_viewport()
-dpg.start_dearpygui()
-dpg.destroy_context()
\ No newline at end of file
diff --git a/src/Test_Plots/test7_querying.py b/src/Test_Plots/test7_querying.py
deleted file mode 100644
index 06f3ceb..0000000
--- a/src/Test_Plots/test7_querying.py
+++ /dev/null
@@ -1,37 +0,0 @@
-import dearpygui.dearpygui as dpg
-from math import sin
-
-dpg.create_context()
-
-sindatax = []
-sindatay = []
-for i in range(0, 100):
-    sindatax.append(i / 100)
-    sindatay.append(0.5 + 0.5 * sin(50 * i / 100))
-
-with dpg.window(label="Tutorial", width=400, height=600):
-    dpg.add_text("Click and drag the middle mouse button over the top plot!")
-
-
-    def query(sender, app_data, user_data):
-        dpg.set_axis_limits("xaxis_tag2", app_data[0], app_data[1])
-        dpg.set_axis_limits("yaxis_tag2", app_data[2], app_data[3])
-
-
-    # plot 1
-    with dpg.plot(no_title=True, height=200, callback=query, query=True, no_menus=True, width=-1):
-        dpg.add_plot_axis(dpg.mvXAxis, label="x")
-        dpg.add_plot_axis(dpg.mvYAxis, label="y")
-        dpg.add_line_series(sindatax, sindatay, parent=dpg.last_item())
-
-    # plot 2
-    with dpg.plot(no_title=True, height=200, no_menus=True, width=-1):
-        dpg.add_plot_axis(dpg.mvXAxis, label="x1", tag="xaxis_tag2")
-        dpg.add_plot_axis(dpg.mvYAxis, label="y1", tag="yaxis_tag2")
-        dpg.add_line_series(sindatax, sindatay, parent="yaxis_tag2")
-
-dpg.create_viewport(title='Custom Title', width=800, height=600)
-dpg.setup_dearpygui()
-dpg.show_viewport()
-dpg.start_dearpygui()
-dpg.destroy_context()
\ No newline at end of file
diff --git a/src/Test_Plots/test8_custom_context_menus.py b/src/Test_Plots/test8_custom_context_menus.py
deleted file mode 100644
index b459d15..0000000
--- a/src/Test_Plots/test8_custom_context_menus.py
+++ /dev/null
@@ -1,33 +0,0 @@
-import dearpygui.dearpygui as dpg
-from math import sin
-
-dpg.create_context()
-
-sindatax = []
-sindatay = []
-for i in range(0, 100):
-    sindatax.append(i / 100)
-    sindatay.append(0.5 + 0.5 * sin(50 * i / 100))
-
-with dpg.window(label="Tutorial", width=400, height=400):
-    # create plot
-    dpg.add_text("Right click a series in the legend!")
-    with dpg.plot(label="Line Series", height=-1, width=-1):
-        dpg.add_plot_legend()
-
-        dpg.add_plot_axis(dpg.mvXAxis, label="x")
-        dpg.add_plot_axis(dpg.mvYAxis, label="y", tag="yaxis")
-
-        # series 1
-        dpg.add_line_series(sindatax, sindatay, label="series 1", parent="yaxis", tag="series_1")
-        dpg.add_button(label="Delete Series 1", parent=dpg.last_item(), callback=lambda: dpg.delete_item("series_1"))
-
-        # series 2
-        dpg.add_line_series(sindatax, sindatay, label="series 2", parent="yaxis", tag="series_2")
-        dpg.add_button(label="Delete Series 2", parent=dpg.last_item(), callback=lambda: dpg.delete_item("series_2"))
-
-dpg.create_viewport(title='Custom Title', width=800, height=600)
-dpg.setup_dearpygui()
-dpg.show_viewport()
-dpg.start_dearpygui()
-dpg.destroy_context()
diff --git a/src/Test_Plots/test9_colors_and_styles.py b/src/Test_Plots/test9_colors_and_styles.py
deleted file mode 100644
index 2f1c7ef..0000000
--- a/src/Test_Plots/test9_colors_and_styles.py
+++ /dev/null
@@ -1,50 +0,0 @@
-import dearpygui.dearpygui as dpg
-from math import sin
-
-dpg.create_context()
-
-sindatax = []
-sindatay = []
-for i in range(0, 100):
-    sindatax.append(i / 100)
-    sindatay.append(0.5 + 0.5 * sin(50 * i / 100))
-sindatay2 = []
-for i in range(0, 100):
-    sindatay2.append(2 + 0.5 * sin(50 * i / 100))
-
-with dpg.window(label="Tutorial", width=500, height=400):
-    # create a theme for the plot
-    with dpg.theme(tag="plot_theme"):
-        with dpg.theme_component(dpg.mvStemSeries):
-            dpg.add_theme_color(dpg.mvPlotCol_Line, (150, 255, 0), category=dpg.mvThemeCat_Plots)
-            dpg.add_theme_style(dpg.mvPlotStyleVar_Marker, dpg.mvPlotMarker_Diamond, category=dpg.mvThemeCat_Plots)
-            dpg.add_theme_style(dpg.mvPlotStyleVar_MarkerSize, 7, category=dpg.mvThemeCat_Plots)
-
-        with dpg.theme_component(dpg.mvScatterSeries):
-            dpg.add_theme_color(dpg.mvPlotCol_Line, (60, 150, 200), category=dpg.mvThemeCat_Plots)
-            dpg.add_theme_style(dpg.mvPlotStyleVar_Marker, dpg.mvPlotMarker_Square, category=dpg.mvThemeCat_Plots)
-            dpg.add_theme_style(dpg.mvPlotStyleVar_MarkerSize, 4, category=dpg.mvThemeCat_Plots)
-
-    # create plot
-    with dpg.plot(tag="plot", label="Line Series", height=-1, width=-1):
-
-        # optionally create legend
-        dpg.add_plot_legend()
-
-        # REQUIRED: create x and y axes
-        dpg.add_plot_axis(dpg.mvXAxis, label="x")
-        dpg.add_plot_axis(dpg.mvYAxis, label="y", tag="yaxis")
-
-        # series belong to a y axis
-        dpg.add_stem_series(sindatax, sindatay, label="0.5 + 0.5 * sin(x)", parent="yaxis", tag="series_data")
-        dpg.add_scatter_series(sindatax, sindatay2, label="2 + 0.5 * sin(x)", parent="yaxis", tag="series_data2")
-
-        # apply theme to series
-        dpg.bind_item_theme("series_data", "plot_theme")
-        dpg.bind_item_theme("series_data2", "plot_theme")
-
-dpg.create_viewport(title='Custom Title', width=800, height=600)
-dpg.setup_dearpygui()
-dpg.show_viewport()
-dpg.start_dearpygui()
-dpg.destroy_context()
diff --git a/src/sketch.py b/src/gui.py
index 5f170b2..58e36a3 100755
--- a/src/sketch.py
+++ b/src/gui.py
@@ -36,7 +36,7 @@ create_viewport()
 setup_dearpygui()
 
 # Show demo for dev
-# show_demo()
+show_demo()
 
 #================================================
 # Custom GNURadio blocks
@@ -122,25 +122,40 @@ sim.connect((sim.digital_costas_loop_cc_0, 0), (locked_time_plot, 0))
 # Settings Window
 
 with window(label="Settings", width=200, height=400, pos=(25, 450), tag="sim_win"):
-    add_button(label="Toggle Fullscreen", callback= toggle_viewport_fullscreen)
+    with child_window(autosize_x=True, height=100):
+        add_button(label="Toggle Fullscreen", callback= toggle_viewport_fullscreen)
 
-    add_text("Simulation running:")
-    add_text("false", tag="sim_running_lbl")
+    with child_window(autosize_x=True):
+        with group(horizontal=True):
+            add_text("Simulation running:")
+            add_text("false", tag="sim_running_lbl")
 
-    with group(horizontal=True):
-        def on_sim_start_btn_clicked():
-            sim.start()
-            sim_runnig = True
-            logger.debug("Started simulation")
+        with group(tag="sim_grp", horizontal=True):
+            def on_sim_start_btn_clicked():
+                global sim_running
 
-        def on_sim_stop_btn_clicked():
-            sim.stop()
-            sim.wait()
-            sim_running = False
-            logger.debug("Stopped simulation")
+                if sim_running:
+                    logger.error("Simulation is already running")
+                    return
 
-        add_button(label="Start", tag="sim_start_btn", callback=on_sim_start_btn_clicked)
-        add_button(label="Stop", tag="sim_stop_btn", callback=on_sim_stop_btn_clicked)
+                sim.start()
+                sim_running = True
+                logger.debug("Started simulation")
+
+            def on_sim_stop_btn_clicked():
+                global sim_running
+
+                if not sim_running:
+                    logger.error("Simulation not running")
+                    return
+
+                sim.stop()
+                sim.wait()
+                sim_running = False
+                logger.debug("Stopped simulation")
+
+            add_button(label="Start", tag="sim_start_btn", callback=on_sim_start_btn_clicked)
+            add_button(label="Stop", tag="sim_stop_btn", callback=on_sim_stop_btn_clicked)
 
 #================================================
 # Flow Graph Window
@@ -196,8 +211,3 @@ start_dearpygui()
 
 # clean up gui
 destroy_context()
-
-# Stop GNURadio 
-if sim_running:
-    sim.stop()
-    sim.wait()
diff --git a/src/qam.py b/src/qam.py
new file mode 120000
index 0000000..a59366b
--- /dev/null
+++ b/src/qam.py
@@ -0,0 +1 @@
+../simulation/QAM/qam_nogui.py
\ No newline at end of file