Add panel boilerplate and weather boilerplate

src/panel/panel.hpp

@@ -17,7 +17,7 @@
 #include <SDL2/SDL_image.h>
 #include <SDL2/SDL_ttf.h>
 
-namespace dashboard {
+namespace dashboard::panel {
     class panel {
     public:
         panel() = default;

src/panel/weather.cpp

@@ -0,0 +1,50 @@
+///////////////////////////////////////////////////////////////////////////////
+// Tyler Perkins
+// 19-9-21
+// weather panel
+//
+
+#include "weather.hpp"
+
+using namespace dashboard::panel;
+
+///////////////////////////////////////////////////////////////////////////////
+// Constructors ///////////////////////////////////////////////////////////////
+///////////////////////////////////////////////////////////////////////////////
+
+weather::weather(){
+    _time_on_screen = WEATHER_DEFAULT_ON_SCREEN_TIME;
+    _update_interval = std::chrono::milliseconds{UPDATE_INTERVAL};
+    _last_update = std::chrono::high_resolution_clock::now();
+}
+
+weather::~weather(){
+
+}
+
+///////////////////////////////////////////////////////////////////////////////
+// Draw function //////////////////////////////////////////////////////////////
+///////////////////////////////////////////////////////////////////////////////
+
+void weather::draw(){
+    std::cerr << "WEATHER DRAW FUNC\n";
+    std::cerr << "url_source : " << WEATHER_URL_SOURCE << "\n";
+
+    //check if its time to update
+    if((std::chrono::high_resolution_clock::now() - _last_update) > _update_interval){
+        //TODO multithread this
+        update();
+    }
+
+}
+
+///////////////////////////////////////////////////////////////////////////////
+// Helper functions ///////////////////////////////////////////////////////////
+///////////////////////////////////////////////////////////////////////////////
+
+void weather::update() {
+    std::cerr << "WEATHER::UPDATE\n";
+    _last_update = std::chrono::high_resolution_clock::now();
+
+    //fetch updates
+}

src/panel/weather.hpp

@@ -0,0 +1,33 @@
+///////////////////////////////////////////////////////////////////////////////
+// Tyler Perkins
+// 19-9-21
+// weather panel
+//
+
+#pragma once
+
+#include "panel.hpp"
+
+#include "weather_config.hpp"
+#include <chrono>
+
+#include <SDL.h>
+#include <SDL2/SDL_image.h>
+#include <SDL2/SDL_ttf.h>
+
+#include <iostream>
+
+namespace dashboard::panel {
+    class weather : public panel {
+    public:
+        weather();
+        ~weather();
+
+        void draw();
+
+    private:
+        std::chrono::time_point<std::chrono::high_resolution_clock> _last_update;
+        std::chrono::milliseconds  _update_interval;
+        void update();
+    };
+}

src/panel/weather_config.hpp

@@ -0,0 +1,21 @@
+///////////////////////////////////////////////////////////////////////////////
+// Tyler Perkins
+// 19-9-21
+// weather panel configuration
+//
+
+#pragma once
+
+namespace dashboard::panel {
+    //New York RSS feed
+    static const char* WEATHER_URL_SOURCE = "http://rss.accuweather.com/rss/liveweather_rss.asp?locCode=10007";
+
+    //Default time the slide is shown on screen, in ms
+    //Default 5s
+    constexpr size_t WEATHER_DEFAULT_ON_SCREEN_TIME = 5000;
+
+    //How long should we wait between updates? in ms
+    //Default 1 hour
+    constexpr int    UPDATE_INTERVAL = 3600000;
+}
+