Merge pull request #209 from OpenVicProject/scrollbar

Added GUIScrollbar and GFXCorneredTileSupportingTexture

1 files changed, 102 insertions, 0 deletions

diff --git a/extension/src/openvic-extension/classes/GUIScrollbar.hpp b/extension/src/openvic-extension/classes/GUIScrollbar.hpp
new file mode 100644
index 0000000..7af7b57
--- /dev/null
+++ b/extension/src/openvic-extension/classes/GUIScrollbar.hpp
@@ -0,0 +1,102 @@
+#pragma once
+
+#include <godot_cpp/classes/control.hpp>
+#include <godot_cpp/classes/input_event.hpp>
+
+#include <openvic-simulation/interface/GUI.hpp>
+
+#include "openvic-extension/classes/GFXSpriteTexture.hpp"
+
+namespace OpenVic {
+	class GUIScrollbar : public godot::Control {
+		GDCLASS(GUIScrollbar, godot::Control)
+
+		static godot::StringName const& _signal_value_changed();
+
+		GUI::Scrollbar const* PROPERTY(gui_scrollbar);
+
+		godot::Ref<GFXSpriteTexture> slider_texture;
+		godot::Ref<GFXSpriteTexture> track_texture;
+		godot::Ref<GFXSpriteTexture> less_texture;
+		godot::Ref<GFXSpriteTexture> more_texture;
+
+		godot::Rect2 slider_rect;
+		real_t slider_start, slider_distance;
+		godot::Rect2 track_rect;
+		godot::Rect2 less_rect;
+		godot::Rect2 more_rect;
+
+		godot::Ref<GFXSpriteTexture> range_limit_min_texture;
+		godot::Ref<GFXSpriteTexture> range_limit_max_texture;
+
+		godot::Rect2 range_limit_min_rect;
+		godot::Rect2 range_limit_max_rect;
+
+		godot::Orientation PROPERTY(orientation);
+
+		int32_t PROPERTY(value);
+		int32_t PROPERTY(min_value);
+		int32_t PROPERTY(max_value);
+
+		bool PROPERTY_CUSTOM_PREFIX(range_limited, is);
+		int32_t PROPERTY(range_limit_min);
+		int32_t PROPERTY(range_limit_max);
+
+		bool hover_slider, hover_track, hover_less, hover_more;
+		bool pressed_slider, pressed_track, pressed_less, pressed_more;
+
+		/* The time between value changes while the less/more button is held down (in seconds). */
+		static constexpr double BUTTON_CHANGE_DELAY = 1.0 / 60.0;
+		/* The time between value change rate increases while the less/more button is held down (in seconds). */
+		static constexpr double BUTTON_CHANGE_ACCELERATE_DELAY = 10.0 * BUTTON_CHANGE_DELAY;
+
+		/* When the less/more button is pressed, button_change_value_base is initialised based on the shift and control keys
+		 * and button_change_value is initialised to 0. Every BUTTON_CHANGE_ACCELERATE_DELAY seconds button_change_value
+		 * increases by button_change_value_base, and every BUTTON_CHANGE_DELAY seconds value changes by button_change_value.
+		 * If button_change_value is still 0 when the button is released, then value will be increased by
+		 * button_change_value_base so that short clicks still have an effect.*/
+		int32_t button_change_value_base, button_change_value;
+		double button_change_accelerate_timer, button_change_timer;
+
+		void _start_button_change(bool shift_pressed, bool control_pressed);
+		void _stop_button_change();
+
+		/* Changes value by button_change_value with the direction determined by orientation and pressed_less or pressed_more.
+		 * Returns true if a change occured, otherwise false. */
+		bool _update_button_change();
+
+		float _value_to_ratio(int32_t val) const;
+
+		void _calculate_rects();
+
+		void _constrain_value();
+		godot::Error _constrain_range_limits();
+		godot::Error _constrain_limits();
+
+	protected:
+		static void _bind_methods();
+		void _notification(int what);
+
+	public:
+		GUIScrollbar();
+
+		godot::Vector2 _get_minimum_size() const override;
+		void _gui_input(godot::Ref<godot::InputEvent> const& event) override;
+
+		void emit_value_changed();
+		godot::Error reset();
+		void clear();
+
+		godot::Error set_gui_scrollbar(GUI::Scrollbar const* new_gui_scrollbar);
+		godot::Error set_gui_scrollbar_name(godot::String const& gui_scene, godot::String const& gui_scrollbar_name);
+		godot::String get_gui_scrollbar_name() const;
+
+		void set_value(int32_t new_value, bool signal = true);
+
+		float get_value_as_ratio() const;
+		void set_value_as_ratio(float new_ratio, bool signal = true);
+
+		godot::Error set_range_limits(int32_t new_range_limit_min, int32_t new_range_limit_max, bool signal = true);
+		godot::Error set_limits(int32_t new_min_value, int32_t new_max_value, bool signal = true);
+	};
+}