Draw and event position relative to parent (for pages)

include/Theme.hpp

@@ -11,6 +11,7 @@ namespace gsr {
         Theme& operator=(const Theme&) = delete;
 
         mgl::Color tint_color = mgl::Color(118, 185, 0);
+        mgl::Color scrollable_page_bg_color = mgl::Color(38, 43, 47);
     };
 
     void init_theme(const gsr::GsrInfo &gsr_info);

include/gui/Button.hpp

@@ -1,25 +1,28 @@
 #pragma once
 
 #include "Widget.hpp"
-#include <string>
 #include <functional>
 
+#include <mglpp/graphics/Color.hpp>
+#include <mglpp/graphics/Text.hpp>
+
 namespace gsr {
     class Button : public Widget {
     public:
-        Button(mgl::vec2f size);
+        Button(mgl::Font *font, const char *text, mgl::vec2f size, mgl::Color bg_color);
         Button(const Button&) = delete;
         Button& operator=(const Button&) = delete;
 
-        bool on_event(mgl::Event &event, mgl::Window &window) override;
-        void draw(mgl::Window &window) override;
+        bool on_event(mgl::Event &event, mgl::Window &window, mgl::vec2f offset) override;
+        void draw(mgl::Window &window, mgl::vec2f offset) override;
 
         mgl::vec2f get_size() const { return size; }
 
         std::function<void()> on_click;
     private:
         mgl::vec2f size;
+        mgl::Color bg_color;
         bool mouse_inside = false;
-        bool pressed_inside = false;
+        mgl::Text text;
     };
 }

include/gui/ComboBox.hpp

@@ -12,8 +12,8 @@ namespace gsr {
         ComboBox(const ComboBox&) = delete;
         ComboBox& operator=(const ComboBox&) = delete;
 
-        bool on_event(mgl::Event &event, mgl::Window &window) override;
-        void draw(mgl::Window &window) override;
+        bool on_event(mgl::Event &event, mgl::Window &window, mgl::vec2f offset) override;
+        void draw(mgl::Window &window, mgl::vec2f offset) override;
 
         void add_item(const std::string &text, const std::string &id);
 

include/gui/DropdownButton.hpp

@@ -14,8 +14,8 @@ namespace gsr {
         DropdownButton(const DropdownButton&) = delete;
         DropdownButton& operator=(const DropdownButton&) = delete;
 
-        bool on_event(mgl::Event &event, mgl::Window &window) override;
-        void draw(mgl::Window &window) override;
+        bool on_event(mgl::Event &event, mgl::Window &window, mgl::vec2f offset) override;
+        void draw(mgl::Window &window, mgl::vec2f offset) override;
 
         void add_item(const std::string &text, const std::string &id);
         void set_item_label(const std::string &id, const std::string &new_label);

include/gui/Page.hpp

@@ -1,27 +1,19 @@
 #pragma once
 
+#include "Widget.hpp"
 #include <vector>
 #include <memory>
 
-namespace mgl {
-    class Event;
-    class Window;
-}
-
 namespace gsr {
-    class Widget;
-
-    class Page {
+    class Page : public Widget {
     public:
         Page() = default;
         Page(const Page&) = delete;
         Page& operator=(const Page&) = delete;
+        virtual ~Page() = default;
 
         void add_widget(std::unique_ptr<Widget> widget);
-
-        void on_event(mgl::Event &event, mgl::Window &window);
-        void draw(mgl::Window &window);
-    private:
+    protected:
         std::vector<std::unique_ptr<Widget>> widgets;
     };
 }

include/gui/ScrollablePage.hpp

@@ -0,0 +1,21 @@
+#pragma once
+
+#include "Page.hpp"
+
+namespace gsr {
+    class ScrollablePage : public Page {
+    public:
+        ScrollablePage(mgl::vec2f size);
+        ScrollablePage(const ScrollablePage&) = delete;
+        ScrollablePage& operator=(const ScrollablePage&) = delete;
+
+        bool on_event(mgl::Event &event, mgl::Window &window, mgl::vec2f offset) override;
+        void draw(mgl::Window &window, mgl::vec2f offset) override;
+
+        mgl::vec2f get_size() const { return size; }
+    private:
+        float get_border_size(mgl::Window &window) const;
+    private:
+        mgl::vec2f size;
+    };
+}

include/gui/StaticPage.hpp

@@ -0,0 +1,15 @@
+#pragma once
+
+#include "Page.hpp"
+
+namespace gsr {
+    class StaticPage : public Page {
+    public:
+        StaticPage() = default;
+        StaticPage(const StaticPage&) = delete;
+        StaticPage& operator=(const StaticPage&) = delete;
+
+        bool on_event(mgl::Event &event, mgl::Window &window, mgl::vec2f offset) override;
+        void draw(mgl::Window &window, mgl::vec2f offset) override;
+    };
+}

include/gui/Widget.hpp

@@ -9,7 +9,8 @@ namespace mgl {
 
 namespace gsr {
     class Widget {
-        friend class Page;
+        friend class StaticPage;
+        friend class ScrollablePage;
     public:
         Widget();
         Widget(const Widget&) = delete;
@@ -17,8 +18,8 @@ namespace gsr {
         virtual ~Widget();
 
         // Return true to allow other widgets to also process the event
-        virtual bool on_event(mgl::Event &event, mgl::Window &window) = 0;
-        virtual void draw(mgl::Window &window) = 0;
+        virtual bool on_event(mgl::Event &event, mgl::Window &window, mgl::vec2f offset) = 0;
+        virtual void draw(mgl::Window &window, mgl::vec2f offset) = 0;
         virtual void set_position(mgl::vec2f position);
 
         virtual mgl::vec2f get_position() const;