Rework how widget ownership works in Container

[libs/gltk.git] / source / root.h

diff --git a/source/root.h b/source/root.h
index 5d721c0c2370f5e1ac68d68ef1aee8e987bdbde0..29fff237430c156e0a2b94ef3ad89bbb269d38fb 100644 (file)
--- a/source/root.h
+++ b/source/root.h
@@ -1,14 +1,18 @@
 #ifndef MSP_GLTK_ROOT_H_
 #define MSP_GLTK_ROOT_H_
 
+#include <memory>
 #include <sigc++/trackable.h>
+#include <msp/gl/blend.h>
 #include <msp/gl/camera.h>
 #include <msp/gl/program.h>
+#include <msp/gl/renderable.h>
 #include <msp/graphics/window.h>
 #include <msp/input/keyboard.h>
 #include <msp/input/mouse.h>
 #include <msp/input/touchscreen.h>
 #include <msp/time/timestamp.h>
+#include "mspgltk_api.h"
 #include "panel.h"
 
 namespace Msp {
@@ -18,56 +22,57 @@ class Label;
 
 /**
 A Root is a special type of Panel that covers the entire viewport and receives
-input from keyboard and mouse.
+input from keyboard and mouse.  It can be used by itself or in a GL::Pipeline.
+Due to its specialized nature it's recommended to not use it with Scenes or
+other containers.
 */
-class Root: public Panel, public sigc::trackable
+class MSPGLTK_API Root: public Panel, public GL::Renderable, public sigc::trackable
 {
 public:
        sigc::signal<std::string, int, int> signal_tooltip;
 
 private:
-       const Resources &resources;
-       Input::Keyboard *keyboard;
-       Input::Mouse *mouse;
-       Input::Touchscreen *touchscreen;
-       bool own_input;
-       Label *lbl_tooltip;
-       int pointer_x;
-       int pointer_y;
+       Resources &resources;
+       Input::Keyboard *keyboard = nullptr;
+       std::unique_ptr<InputMethod> input_method;
+       Input::Mouse *mouse = nullptr;
+       Input::Touchscreen *touchscreen = nullptr;
+       std::unique_ptr<Input::Device> own_input[2];
+       Label *lbl_tooltip = nullptr;
+       int pointer_x = 0;
+       int pointer_y = 0;
        Time::TimeStamp tooltip_timeout;
-       Widget *tooltip_target;
+       Time::TimeStamp last_tick;
+       Widget *tooltip_target = nullptr;
        Msp::GL::Camera camera;
-       Msp::GL::Program *shprog;
+       Msp::GL::Program *shprog = nullptr;
+       Msp::GL::Blend blend;
+
+       Root(Resources &, Graphics::Window &, std::unique_ptr<Input::Keyboard>, std::unique_ptr<Input::Mouse>);
 
 public:
        /** Creates a Root widget for a window.  The geometry is set to match the
        window's size, and input devices are created automatically. */
-       Root(const Resources &, Graphics::Window &);
+       Root(Resources &, Graphics::Window &);
 
        /** Creates a Root widget with custom input devices.  If window is not null,
        it is used to set the widget's initial geometry. */
-       Root(const Resources &, Graphics::Window *, Input::Keyboard *, Input::Mouse *, Input::Touchscreen * = 0);
-private:
-       void init(Graphics::Window *);
-public:
-       virtual ~Root();
+       Root(Resources &, Graphics::Window *, Input::Keyboard *, Input::Mouse *, Input::Touchscreen * = nullptr);
 
-       virtual const char *get_class() const { return "root"; }
+       const char *get_class() const override { return "root"; }
 
-       const Resources &get_resources() const { return resources; }
+       Resources &get_resources() const { return resources; }
        virtual unsigned get_width() const { return geom.w; }
        virtual unsigned get_height() const { return geom.h; }
 
        void tick();
-       void render() const;
+       void setup_frame(GL::Renderer &) override;
+       void render(GL::Renderer &, GL::Tag = GL::Tag()) const override;
 
 private:
        bool button_press_event(unsigned);
        bool button_release_event(unsigned);
        bool axis_motion_event(unsigned, float, float);
-       bool key_press_event(unsigned);
-       bool key_release_event(unsigned);
-       bool character_event(StringCodec::unichar);
        bool touch_press_event(unsigned);
        bool touch_release_event(unsigned);
        bool touch_motion_event(unsigned, float, float);
@@ -76,8 +81,8 @@ private:
        void get_touch(unsigned, int &, int &);
        void update_camera();
 
-       virtual void on_geometry_change();
-       virtual void on_child_added(Widget &);
+       void on_size_change() override;
+       void on_child_added(Widget &) override;
 };
 
 } // namespace GLtk