Make width and height customizable

src/WallpaperEngine/Application/CApplicationContext.cpp

@@ -25,6 +25,8 @@ struct option long_options [] = {
     {"list-properties", no_argument,       nullptr, 'l'},
     {"set-property",    required_argument, nullptr, 'o'},
     {"class",           required_argument, nullptr, 'x'},
+    {"width",           required_argument, nullptr, 'w'},
+    {"height",          required_argument, nullptr, 't'},
     {nullptr,                           0, nullptr,   0}
 };
 
@@ -51,6 +53,8 @@ CApplicationContext::CApplicationContext (int argc, char* argv[]) :
     audioEnabled (true),
     onlyListProperties (false),
     window_class (""),
+    window_width(1280),
+    window_height(720)
 {
     int c;
 
@@ -116,6 +120,13 @@ CApplicationContext::CApplicationContext (int argc, char* argv[]) :
             case 'x':
                 this->window_class = optarg;
                 break;
+            case 'w':
+                this->window_width = atoi(optarg);
+                break;
+
+            case 't':
+                this->window_height = atoi(optarg);
+                break;
         }
     }
 
@@ -203,4 +214,6 @@ void CApplicationContext::printHelp (const char* route)
     sLog.out ("\t--list-properties\t\t\tList all the available properties and their possible values");
     sLog.out ("\t--set-property <name=value>\tOverrides the default value of the given property");
     sLog.out ("\t--class <class name>\t\t\tSets X11 window class");
+    sLog.out ("\t--width <width>\t\t\tSets the window width");
+    sLog.out ("\t--height <height>\t\t\tSets the window height");
 }

src/WallpaperEngine/Application/CApplicationContext.h

@@ -25,6 +25,8 @@ namespace WallpaperEngine::Application
         bool onlyListProperties;
         FREE_IMAGE_FORMAT screenshotFormat;
         std::string window_class;
+        int window_width;
+        int window_height;
 
     private:
         void validatePath ();

src/WallpaperEngine/Application/CWallpaperApplication.cpp

@@ -272,4 +272,9 @@ void CWallpaperApplication::show ()
 void CWallpaperApplication::signal (int signal)
 {
     g_KeepRunning = false;
+}
+
+const CApplicationContext& CWallpaperApplication::get_context () const
+{
+    return this->m_context;
 }

src/WallpaperEngine/Application/CWallpaperApplication.h

@@ -22,6 +22,7 @@ namespace WallpaperEngine::Application
 
         void show ();
         void signal (int signal);
+        const CApplicationContext& get_context () const;
 
     private:
         void setupContainer ();

src/WallpaperEngine/Render/CRenderContext.cpp

@@ -12,8 +12,6 @@
 #include "CRenderContext.h"
 #include "CVideo.h"
 
-#define DEFAULT_WINDOW_WIDTH 1280
-#define DEFAULT_WINDOW_HEIGHT 720
 
 using namespace WallpaperEngine::Render;
 
@@ -81,7 +79,7 @@ void CRenderContext::initialize ()
 void CRenderContext::setupWindow ()
 {
     this->m_driver.showWindow ();
-    this->m_driver.resizeWindow ({DEFAULT_WINDOW_WIDTH, DEFAULT_WINDOW_HEIGHT});
+    this->m_driver.resizeWindow ({this->m_app.get_context().window_width, this->m_app.get_context().window_height});
 }
 
 void CRenderContext::setupScreens ()