refactoring: application mode code split

drivermouseinput.h

@@ -0,0 +1,95 @@
+/*
+This Source Code Form is subject to the
+terms of the Mozilla Public License, v.
+2.0. If a copy of the MPL was not
+distributed with this file, You can
+obtain one at
+http://mozilla.org/MPL/2.0/.
+*/
+
+#pragma once
+
+#include <unordered_map>
+#include "command.h"
+
+// virtual slider; value determined by position of the mouse
+class mouse_slider {
+
+public:
+// constructors
+    mouse_slider() = default;
+// methods
+    void
+        bind( user_command const &Command );
+    void
+        release();
+    void
+        on_move( double const Mousex, double const Mousey );
+    inline
+    user_command
+        command() const {
+            return m_command; }
+    double
+        value() const {
+            return m_value; }
+
+private:
+// members
+    user_command m_command { user_command::none };
+    double m_value { 0.0 };
+    double m_valuerange { 0.0 };
+    bool m_analogue { false };
+    glm::dvec2 m_cursorposition { 0.0 };
+};
+
+class mouse_input {
+
+public:
+// constructors
+    mouse_input() { default_bindings(); }
+
+// methods
+    bool
+        init();
+    void
+        button( int const Button, int const Action );
+    int
+        button( int const Button ) const;
+    void
+        move( double const Mousex, double const Mousey );
+    void
+        poll();
+    user_command
+        command() const;
+
+private:
+// types
+    struct mouse_commands {
+
+        user_command left;
+        user_command right;
+    };
+
+    typedef std::unordered_map<std::string, mouse_commands> controlcommands_map;
+
+// methods
+    void
+        default_bindings();
+
+// members
+    command_relay m_relay;
+    mouse_slider m_slider; // virtual control, when active translates intercepted mouse position to a value
+    controlcommands_map m_mousecommands;
+    user_command m_mousecommandleft { user_command::none }; // last if any command issued with left mouse button
+    user_command m_mousecommandright { user_command::none }; // last if any command issued with right mouse button
+    double m_updaterate { 0.075 };
+    double m_updatedelay { 0.25 };
+    double m_updateaccumulator { 0.0 };
+    bool m_pickmodepanning { false }; // indicates mouse is in view panning mode
+    glm::dvec2 m_cursorposition; // stored last cursor position, used for panning
+    bool m_varyingpollrate { false }; // indicates rate of command repeats is affected by the cursor position
+    glm::dvec2 m_varyingpollrateorigin; // helper, cursor position when the command was initiated
+    std::array<int, GLFW_MOUSE_BUTTON_LAST> m_buttons;
+};
+
+//---------------------------------------------------------------------------