feat: add live button, from and to time entries

1 files changed, 67 insertions, 7 deletions

diff --git a/remote_plot.c b/remote_plot.c
index ca2db60..ee8b577 100644
--- a/remote_plot.c
+++ b/remote_plot.c
@@ -187,8 +187,14 @@ typedef struct {
 	GtkWidget *checkbutton[VOLTLEN+TEMPLEN];
 	GtkWidget *volt_label;
 	GtkWidget *temp_label;
+	GtkWidget *live_toggle;
+	GtkWidget *from_entry;
+	GtkWidget *to_entry;
 	// .csv file already read offset
 	uint32_t offset;
+	uint32_t from_time;
+	uint32_t to_time;
+	bool from_time_entered;
 }DATA;
 
 static gboolean sftp_read_sync(gpointer user_data)
@@ -401,12 +407,23 @@ static void draw_function (GtkDrawingArea *area,
 	if(!ListIsEmpty(&(data->cans)))
 	{
 		//printf("draw begin\n");
-		PLFLT xmin=data->cans.head->item.t;
-		PLFLT xmax=data->cans.end->item.t;
+		//PLFLT xmin=data->cans.head->item.t;
+		//PLFLT xmax=data->cans.end->item.t;
+		PLFLT xmin,xmax;
 		PLFLT ymin, ymax;
 		int plot_counts=0;
 		gboolean active_checkbutton[VOLTLEN+TEMPLEN];
 
+		if(gtk_toggle_button_get_active(GTK_TOGGLE_BUTTON(data->live_toggle)))
+			xmax=data->cans.end->item.t;
+		else
+			xmax=data->to_time;
+
+		if(data->from_time_entered)
+			xmin=data->from_time;
+		else
+			xmin=data->cans.head->item.t;
+
 		for(int i=0;i<(VOLTLEN+TEMPLEN);i++)
 			if((active_checkbutton[i]=gtk_check_button_get_active(GTK_CHECK_BUTTON(data->checkbutton[i]))))
 				plot_counts++;
@@ -467,12 +484,15 @@ static void draw_function (GtkDrawingArea *area,
 				// hershey font code see http://plplot.sourceforge.net/examples.php?demo=07 ?
 				{
 					Node * pnode = data->cans.head;
-					while(pnode!=NULL)
+					while(pnode!=NULL && ((pnode->item.t <= xmax) || gtk_toggle_button_get_active(GTK_TOGGLE_BUTTON(data->live_toggle))) )
 					{
-						if(i<VOLTLEN)
-							plptex(pnode->item.t,pnode->item.volt[i],1.,0.,0.5,"#(727)");
-						else
-							plptex(pnode->item.t,pnode->item.temp[i-VOLTLEN],1.,0.,0.5,"#(727)");
+						if(pnode->item.t >= xmin)
+						{
+							if(i<VOLTLEN)
+								plptex(pnode->item.t,pnode->item.volt[i],1.,0.,0.5,"#(727)");
+							else
+								plptex(pnode->item.t,pnode->item.temp[i-VOLTLEN],1.,0.,0.5,"#(727)");
+						}
 						pnode=pnode->next;
 					}
 				}
@@ -495,6 +515,23 @@ static void print_data (GtkWidget *widget, gpointer user_data)
 	putchar('\n');
 }
 
+static void set_from_time (GtkWidget *widget, gpointer user_data)
+{
+	DATA *data=user_data;
+	if(!(data->from_time_entered))
+		data->from_time_entered=true;
+	data->from_time=strtoul(gtk_editable_get_text(GTK_EDITABLE(data->from_entry)),NULL,10);
+	gtk_widget_queue_draw(data->area);
+}
+
+static void set_to_time (GtkWidget *widget, gpointer user_data)
+{
+	DATA *data=user_data;
+	gtk_toggle_button_set_active(GTK_TOGGLE_BUTTON(data->live_toggle),FALSE);
+	data->to_time=strtoul(gtk_editable_get_text(GTK_EDITABLE(data->to_entry)),NULL,10);
+	gtk_widget_queue_draw(data->area);
+}
+
 static void activate (GtkApplication *app, gpointer user_data)
 {
 	DATA *data=user_data;
@@ -507,9 +544,28 @@ static void activate (GtkApplication *app, gpointer user_data)
 	GtkWidget *flowbox_temp = gtk_flow_box_new();
 	GtkWidget *expander_volt = gtk_expander_new("Choose cell voltages to plot");
 	GtkWidget *expander_temp = gtk_expander_new("Choose cell temperatures to plot");
+	GtkWidget *from_box = gtk_box_new(GTK_ORIENTATION_HORIZONTAL,0);
+	GtkWidget *to_box = gtk_box_new(GTK_ORIENTATION_HORIZONTAL,0);
+	GtkWidget *from_button = gtk_button_new_with_label ("Enter from time");
+	GtkWidget *to_button = gtk_button_new_with_label ("Enter to time");
+
+	data->from_entry = gtk_entry_new();
+	data->to_entry = gtk_entry_new();
+	// TODO: gtk_entry_set_placeholder_text()
+	//gtk_entry_set_placeholder_text(GTK_ENTRY(data->from_entry),"...");
+	gtk_entry_set_max_length(GTK_ENTRY(data->from_entry),10);
+	gtk_entry_set_max_length(GTK_ENTRY(data->to_entry),10);
+	gtk_box_append(GTK_BOX(from_box), data->from_entry);
+	gtk_box_append(GTK_BOX(from_box), from_button);
+	gtk_box_append(GTK_BOX(to_box), data->to_entry);
+	gtk_box_append(GTK_BOX(to_box), to_button);
+	g_signal_connect (from_button, "clicked", G_CALLBACK (set_from_time), user_data);
+	g_signal_connect (to_button, "clicked", G_CALLBACK (set_to_time), user_data);
 
 	data->volt_label=gtk_label_new("Average voltage:");
 	data->temp_label=gtk_label_new("Average temperature:");
+	data->live_toggle = gtk_toggle_button_new_with_label("Live");
+	gtk_toggle_button_set_active(GTK_TOGGLE_BUTTON(data->live_toggle),TRUE);
 
 	for(int i=0;i<(VOLTLEN+TEMPLEN);i++)
 		data->checkbutton[i]=gtk_check_button_new_with_label(checkbutton_names[i]);
@@ -551,6 +607,9 @@ static void activate (GtkApplication *app, gpointer user_data)
 	gtk_box_append(GTK_BOX(box), button);
 	gtk_box_append(GTK_BOX(box), data->volt_label);
 	gtk_box_append(GTK_BOX(box), data->temp_label);
+	gtk_box_append(GTK_BOX(box), data->live_toggle);
+	gtk_box_append(GTK_BOX(box), from_box);
+	gtk_box_append(GTK_BOX(box), to_box);
 	gtk_box_append(GTK_BOX(box), expander_volt);
 	gtk_box_append(GTK_BOX(box), expander_temp);
 	gtk_box_append(GTK_BOX(box), data->area);
@@ -655,6 +714,7 @@ int main (int argc, char **argv)
 		exit(1);
 	}
 	data.offset=0;
+	data.from_time_entered=false;
 
 	//printf("after init\n");