Add an input method subsystem

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

diff --git a/source/root.h b/source/root.h
index 53f8ff3d74c37aa81a59478d37371719ad0e85c9..b0751b688985265d76566894c5dab694863ef5c5 100644 (file)
--- a/source/root.h
+++ b/source/root.h
@@ -2,9 +2,12 @@
 #define MSP_GLTK_ROOT_H_
 
 #include <sigc++/trackable.h>
+#include <msp/gl/camera.h>
+#include <msp/gl/program.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 "panel.h"
 
@@ -14,10 +17,8 @@ namespace GLtk {
 class Label;
 
 /**
-A Root is a special type of Panel that covers and entire Window and accepts
-input from it.  When created, a Root widget will take its size from the window
-it is created for.  The size can be changed, but a Root should always be
-rendered to fill the window in order to get coordinates mapped correctly.
+A Root is a special type of Panel that covers the entire viewport and receives
+input from keyboard and mouse.
 */
 class Root: public Panel, public sigc::trackable
 {
@@ -26,18 +27,32 @@ public:
 
 private:
        const Resources &resources;
-       Graphics::Window &window;
-       Input::Keyboard keyboard;
-       Input::Mouse mouse;
+       Input::Keyboard *keyboard;
+       InputMethod *input_method;
+       Input::Mouse *mouse;
+       Input::Touchscreen *touchscreen;
+       bool own_input;
        Label *lbl_tooltip;
        int pointer_x;
        int pointer_y;
        Time::TimeStamp tooltip_timeout;
        Widget *tooltip_target;
+       Msp::GL::Camera camera;
+       Msp::GL::Program *shprog;
 
 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 &);
 
+       /** 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();
+
        virtual const char *get_class() const { return "root"; }
 
        const Resources &get_resources() const { return resources; }
@@ -48,14 +63,19 @@ public:
        void render() const;
 
 private:
-       void button_press_event(unsigned);
-       void button_release_event(unsigned);
-       void axis_motion_event(unsigned, float, float);
-       void key_press_event(unsigned);
-       void key_release_event(unsigned);
-       void character_event(StringCodec::unichar);
+       bool button_press_event(unsigned);
+       bool button_release_event(unsigned);
+       bool axis_motion_event(unsigned, float, float);
+       bool touch_press_event(unsigned);
+       bool touch_release_event(unsigned);
+       bool touch_motion_event(unsigned, float, float);
 
        void get_pointer(int &, int &);
+       void get_touch(unsigned, int &, int &);
+       void update_camera();
+
+       virtual void on_geometry_change();
+       virtual void on_child_added(Widget &);
 };
 
 } // namespace GLtk