Added a disribution line.

main.c

@@ -2,7 +2,7 @@
 // TODOS:                                                               //
 // [X] Lower the the time text lower below the activity title.          //
 // [ ] On timeline, hower, display additional activity chunk info.      //
-// [ ] Display distribution timeline below the activity line.           //
+// [X] Display distribution timeline below the activity line.           //
 // [ ] Better file save error handling.                                 //
 //////////////////////////////////////////////////////////////////////////
 
@@ -17,7 +17,7 @@
 #include <sys/stat.h>
 #include <stdio.h>
 #include <time.h>
-#include "math.h"
+#include <math.h>
 
 #include "sourcecodepro.h"
 #include "third_party/raylib/src/raylib.h"
@@ -136,7 +136,6 @@ Color activity_type_color_representation[activity_type_COUNT] = {
 
 typedef struct activity {
     activity_type type;
-    Color color;
     U64 began;
     U64 ended;
 } activity;
@@ -167,7 +166,6 @@ void switch_activity(activity *activities, U32 *current_activity, activity_type
         (*current_activity)++;
 
         activities[*current_activity].type = type;
-        activities[*current_activity].color = activity_type_color_representation[type];
         activities[*current_activity].began = time;
         activities[*current_activity].ended = time;
     }
@@ -238,21 +236,14 @@ FILE *load_activities(char *file_path, activity *activities, U32 *current_activi
                 continue;
 
             activity_type type = other;
-            if(strcmp(activity_name, activity_type_string_representation[other]) == 0)
+            for(U32 i = 0; i < activity_type_COUNT; i++) {
-                type = other;
+                if(strcmp(activity_name, activity_type_string_representation[i]) == 0)
-            else if(strcmp(activity_name, activity_type_string_representation[studying]) == 0)
+                    type = i;
-                type = studying;
+                else
-            else if(strcmp(activity_name, activity_type_string_representation[projects]) == 0)
+                    continue;
-                type = projects;
+            }
-            else if(strcmp(activity_name, activity_type_string_representation[gaming]) == 0)
-                type = gaming;
-            else if(strcmp(activity_name, activity_type_string_representation[exercise]) == 0)
-                type = exercise;
-            else
-                continue;
 
             activities[*current_activity].type = type;
-            activities[*current_activity].color = activity_type_color_representation[type];
             activities[*current_activity].began = lower;
             activities[*current_activity].ended = upper;
 
@@ -292,10 +283,12 @@ void save_activities(FILE *f, char *file_path, U32 current_activity, activity *a
 
 int main(int argc, char *argv[])
 {
+    // TODO: Move into global state.
     activity activities[256]; // TODO: This should be a dynamic array.
     memset(activities, 0, sizeof(activities));
     U32 current_activity = 0;
 
+    // TODO: Move into global state.
     Activity_Stat activities_stats[activity_type_COUNT];
     memset(activities_stats, 0, sizeof(activities_stats));
 
@@ -305,6 +298,7 @@ int main(int argc, char *argv[])
     char *dir_path = get_dir();
     char *file_path = get_file(dir_path, t);
 
+    // TODO: Move into load_activities.
     if(!is_directory(dir_path)) {
         if(mkdir(dir_path, 0700) == -1) {
             fprintf(stderr, "mkdir(%s) failed: %s\n", dir_path, strerror(errno));
@@ -339,7 +333,6 @@ int main(int argc, char *argv[])
 
     // Initialize to default activity at the start.
     activities[current_activity].type = other;
-    activities[current_activity].color = RED;
     activities[current_activity].began = now();
     activities[current_activity].ended = now();
 
@@ -373,7 +366,6 @@ int main(int argc, char *argv[])
             current_activity = 0;
 
             activities[current_activity].type = old_type;
-            activities[current_activity].color = activity_type_color_representation[old_type];
             activities[current_activity].began = now();
         }
 
@@ -393,31 +385,43 @@ int main(int argc, char *argv[])
 
         activities[current_activity].ended = now_s;
 
+        U64 total_seconds = 0;
+        for(U32 i = 0; i <= current_activity; i++) {
+            U64 difference = activities[i].ended - activities[i].began;
+
+            activities_stats[activities[i].type].total_seconds += difference;
+            total_seconds += difference;
+        }
+
         BeginDrawing();
             ClearBackground(BLACK);
 
             F32 padding_x = 10.0f;
-            // F32 padding_y = 10.0f;
 
             DrawRectangle(0, 0, state.window_w, 40, GRAY);
-
             for(U32 i = 0; i <= current_activity; i++) {
                 F32 start_x = floor((F32)(activities[i].began - lower_bound_s) / (F32)(upper_bound_s - lower_bound_s) * (F32)(state.window_w));
                 F32 end_x = floor(((F32)(activities[i].ended - lower_bound_s) / (F32)(upper_bound_s - lower_bound_s)) * (F32)(state.window_w));
-                DrawRectangle(start_x, 0, end_x - start_x, 40, activities[i].color);
+                DrawRectangle(start_x, 0, end_x - start_x, 40, activity_type_color_representation[activities[i].type]);
+            }
+
+            DrawRectangle(0, 40, state.window_w, 40, GRAY);
+            F32 last_x = 0.0f;
+            for(U32 i = 0; i <= activity_type_COUNT; i++) {
+                F32 ratio = (F32)(activities_stats[i].total_seconds) / (F32)total_seconds;
+
+                F32 x = ((F32)(state.window_w) * ratio);
+                DrawRectangle(last_x, 40, x, 40, activity_type_color_representation[i]);
+                last_x += x;
             }
 
             F32 width = (state.window_w-padding_x*(float)(activity_type_COUNT+1)) / (float)activity_type_COUNT;
 
-            for(U32 i = 0; i <= current_activity; i++) {
-                activities_stats[activities[i].type].total_seconds += activities[i].ended - activities[i].began;
-            }
-
             for(U32 i = 0; i < activity_type_COUNT; i ++) {
                 Hours time = break_time(activities_stats[i].total_seconds);
                 snprintf(activities_stats[i].seconds_str, sizeof(activities_stats[i].seconds_str), "%02llu:%02llu:%02llu", time.hours, time.minutes, time.seconds);
 
-                Rectangle rect = { (padding_x*(i+1))+(width*i), 60, width, (state.window_h-70) };
+                Rectangle rect = { (padding_x*(i+1))+(width*i), 100, width, (state.window_h-110) };
                 if(activity_button(rect, activity_type_string_representation[i], activities_stats[i].seconds_str, state.font_size, (activities[current_activity].type == i ? WHITE : BLACK), activity_type_color_representation[i])) {
                     if(activities[current_activity].type != i) {
                         switch_activity(activities, &current_activity, i, now_s);