Add window set_view and get_view

3 files changed, 29 insertions, 0 deletions

diff --git a/depends/mgl b/depends/mgl
-Subproject def772cc0efd7c22c6154c6d9f73df1a08fa267
+Subproject 61279a1947328df0b8004edebcbe405ab7b1c09
diff --git a/include/mglpp/window/Window.hpp b/include/mglpp/window/Window.hpp
index 88a025c..2ef6526 100644
--- a/include/mglpp/window/Window.hpp
+++ b/include/mglpp/window/Window.hpp
@@ -18,6 +18,11 @@ namespace mgl {
     class Shader;
     class Vertex;
 
+    struct View {
+        vec2i position;
+        vec2i size;
+    };
+
     class Window {
     public:
         class Delegate {
@@ -49,6 +54,16 @@ namespace mgl {
         void set_cursor_visible(bool visible);
         vec2i get_size() const;
         vec2i get_cursor_position() const;
+        
+        /*
+            This should be called every frame to retain the view.
+            Make sure to set the view back to the previous view after rendering items
+            by saving the previous view with |get_view| and then call
+            |set_view| with that saved view.
+        */
+        void set_view(const View &new_view);
+        View get_view();
+
         WindowHandle get_system_handle() const;
     private:
         mgl_window window;
diff --git a/src/window/Window.cpp b/src/window/Window.cpp
index 580737d..7f1fe38 100644
--- a/src/window/Window.cpp
+++ b/src/window/Window.cpp
@@ -112,6 +112,20 @@ namespace mgl {
         return { window.cursor_position.x, window.cursor_position.y };
     }
 
+    void Window::set_view(const View &new_view) {
+        if(!window.window)
+            return;
+        mgl_window_set_view(&window, (mgl_view*)&new_view);
+    }
+
+    View Window::get_view() {
+        View view;
+        if(!window.window)
+            return view;
+        mgl_window_get_view(&window, (mgl_view*)&view);
+        return view;
+    }
+
     WindowHandle Window::get_system_handle() const {
         return window.window;
     }