nuclear@3: #include <stdio.h>
nuclear@3: #include <math.h>
nuclear@0: #include <string>
nuclear@2: #include <sstream>
nuclear@0: #include "widget.h"
nuclear@2: #include "boolanm.h"
nuclear@3: #include "theme.h"
nuclear@0: 
nuclear@4: namespace goatkit {
nuclear@0: 
nuclear@2: struct WidgetImpl {
nuclear@3: 	std::string type_str;
nuclear@0: 	std::string name;
nuclear@0: 	BBox box;
nuclear@0: 
nuclear@2: 	BoolAnim visible, active, press, hover;
nuclear@0: };
nuclear@0: 
nuclear@0: 
nuclear@0: Widget::Widget()
nuclear@0: {
nuclear@0: 	static int widget_count;
nuclear@0: 
nuclear@3: 	widget = new WidgetImpl;
nuclear@3: 	set_type_string("widget");
nuclear@3: 
nuclear@0: 	std::stringstream sstr;
nuclear@3: 	sstr << widget->type_str << widget_count++;
nuclear@3: 	widget->name = sstr.str();
nuclear@0: 
nuclear@3: 	widget->box.bmin = Vec2(0, 0);
nuclear@3: 	widget->box.bmax = Vec2(1, 1);
nuclear@0: 
nuclear@3: 	widget->visible.set(true);
nuclear@3: 	widget->active.set(true);
nuclear@0: 
nuclear@3: 	widget->hover.set_transition_duration(250);
nuclear@3: 	widget->press.set_transition_duration(50);
nuclear@0: }
nuclear@0: 
nuclear@0: Widget::~Widget()
nuclear@0: {
nuclear@3: 	delete widget;
nuclear@0: }
nuclear@0: 
nuclear@0: void Widget::show()
nuclear@0: {
nuclear@3: 	widget->visible.change(true);
nuclear@0: }
nuclear@0: 
nuclear@0: void Widget::hide()
nuclear@0: {
nuclear@3: 	widget->visible.change(false);
nuclear@0: }
nuclear@0: 
nuclear@0: float Widget::get_visibility() const
nuclear@0: {
nuclear@3: 	return widget->visible.get_value();
nuclear@3: }
nuclear@0: 
nuclear@3: bool Widget::is_visible() const
nuclear@3: {
nuclear@3: 	return widget->visible.get_state();
nuclear@0: }
nuclear@0: 
nuclear@1: void Widget::activate()
nuclear@1: {
nuclear@3: 	widget->active.change(true);
nuclear@1: }
nuclear@1: 
nuclear@3: void Widget::deactivate()
nuclear@0: {
nuclear@3: 	widget->active.change(false);
nuclear@0: }
nuclear@0: 
nuclear@3: float Widget::get_active() const
nuclear@0: {
nuclear@3: 	return widget->active.get_value();
nuclear@3: }
nuclear@0: 
nuclear@3: bool Widget::is_active() const
nuclear@3: {
nuclear@3: 	return widget->active.get_state();
nuclear@3: }
nuclear@3: 
nuclear@3: void Widget::press()
nuclear@3: {
nuclear@3: 	widget->press.change(true);
nuclear@3: }
nuclear@3: 
nuclear@3: void Widget::release()
nuclear@3: {
nuclear@3: 	widget->press.change(false);
nuclear@3: }
nuclear@3: 
nuclear@3: float Widget::get_pressed() const
nuclear@3: {
nuclear@3: 	return widget->press.get_value();
nuclear@3: }
nuclear@3: 
nuclear@3: bool Widget::is_pressed() const
nuclear@3: {
nuclear@3: 	return widget->press.get_state();
nuclear@3: }
nuclear@3: 
nuclear@3: void Widget::mousein()
nuclear@3: {
nuclear@3: 	widget->hover.change(true);
nuclear@3: }
nuclear@3: 
nuclear@3: void Widget::mouseout()
nuclear@3: {
nuclear@3: 	widget->hover.change(false);
nuclear@3: }
nuclear@3: 
nuclear@3: float Widget::get_under_mouse() const
nuclear@3: {
nuclear@3: 	return widget->hover.get_value();
nuclear@3: }
nuclear@3: 
nuclear@3: bool Widget::is_under_mouse() const
nuclear@3: {
nuclear@3: 	return widget->hover.get_state();
nuclear@3: }
nuclear@3: 
nuclear@3: void Widget::set_position(float x, float y)
nuclear@3: {
nuclear@3: 	set_position(Vec2(x, y));
nuclear@3: }
nuclear@3: 
nuclear@3: void Widget::set_position(const Vec2 &pos)
nuclear@3: {
nuclear@3: 	Vec2 sz = get_size();
nuclear@3: 
nuclear@3: 	widget->box.bmin = pos;
nuclear@3: 	widget->box.bmax.x = pos.x + sz.x;
nuclear@3: 	widget->box.bmax.y = pos.y + sz.y;
nuclear@3: }
nuclear@3: 
nuclear@3: const Vec2 &Widget::get_position() const
nuclear@3: {
nuclear@3: 	return widget->box.bmin;
nuclear@3: }
nuclear@3: 
nuclear@3: void Widget::set_size(float x, float y)
nuclear@3: {
nuclear@3: 	set_size(Vec2(x, y));
nuclear@3: }
nuclear@3: 
nuclear@3: void Widget::set_size(const Vec2 &sz)
nuclear@3: {
nuclear@3: 	widget->box.bmax.x = widget->box.bmin.x + sz.x;
nuclear@3: 	widget->box.bmax.y = widget->box.bmin.y + sz.y;
nuclear@3: }
nuclear@3: 
nuclear@3: const Vec2 Widget::get_size() const
nuclear@3: {
nuclear@3: 	return Vec2(widget->box.bmax.x - widget->box.bmin.x,
nuclear@3: 			widget->box.bmax.y - widget->box.bmin.y);
nuclear@3: }
nuclear@3: 
nuclear@3: 
nuclear@3: const BBox &Widget::get_box() const
nuclear@3: {
nuclear@3: 	return widget->box;
nuclear@3: }
nuclear@3: 
nuclear@3: bool Widget::hit_test(const Vec2 &pt) const
nuclear@3: {
nuclear@3: 	return pt.x >= widget->box.bmin.x && pt.x < widget->box.bmax.x &&
nuclear@3: 		pt.y >= widget->box.bmin.y && pt.y < widget->box.bmax.y;
nuclear@3: }
nuclear@3: 
nuclear@3: void Widget::draw() const
nuclear@3: {
nuclear@3: 	widget_draw_func draw_func = default_draw_func;
nuclear@3: 
nuclear@3: 	if(theme) {
nuclear@3: 		draw_func = theme->get_draw_func(widget->type_str.c_str());
nuclear@0: 	}
nuclear@3: 
nuclear@3: 	draw_func(this);
nuclear@0: }
nuclear@3: 
nuclear@3: // dummy event handlers
nuclear@3: void Widget::on_mouse_button(const ButtonEvent &ev)
nuclear@3: {
nuclear@3: }
nuclear@3: 
nuclear@3: void Widget::on_mouse_motion(const MotionEvent &ev)
nuclear@3: {
nuclear@3: }
nuclear@3: 
nuclear@3: void Widget::on_mouse_focus(const FocusEvent &ev)
nuclear@3: {
nuclear@3: }
nuclear@3: 
nuclear@3: void Widget::on_key(const KeyEvent &ev)
nuclear@3: {
nuclear@3: }
nuclear@3: 
nuclear@3: void Widget::on_click()
nuclear@3: {
nuclear@3: }
nuclear@3: 
nuclear@3: void Widget::on_double_click()
nuclear@3: {
nuclear@3: }
nuclear@3: 
nuclear@3: void Widget::on_change()
nuclear@3: {
nuclear@3: }
nuclear@3: 
nuclear@3: 
nuclear@3: void Widget::set_type_string(const char *type_str)
nuclear@3: {
nuclear@3: 	widget->type_str = type_str;
nuclear@3: }
nuclear@3: 
nuclear@3: /* the event dispatcher generates high-level events (click, etc)
nuclear@3:  * and calls the on_whatever() functions for both low and high-level
nuclear@3:  * events.
nuclear@3:  * The on_whatever functions are called *after* any other actions performed
nuclear@3:  * here, to give subclasses the opportunity to override them easily, by
nuclear@3:  * overriding the on_ functions, without having to override handle_event itself
nuclear@3:  */
nuclear@3: // TODO also call callbacks here I guess...
nuclear@3: void Widget::handle_event(const Event &ev)
nuclear@3: {
nuclear@3: 	switch(ev.type) {
nuclear@3: 	case EV_MOUSE_BUTTON:
nuclear@3: 		if(ev.button.press) {
nuclear@3: 			press();
nuclear@3: 		} else {
nuclear@3: 			if(is_pressed()) {
nuclear@3: 				on_click();
nuclear@3: 			}
nuclear@3: 			release();
nuclear@3: 		}
nuclear@3: 		on_mouse_button(ev.button);
nuclear@3: 		break;
nuclear@3: 
nuclear@3: 	case EV_MOUSE_MOTION:
nuclear@3: 		on_mouse_motion(ev.motion);
nuclear@3: 		break;
nuclear@3: 
nuclear@3: 	case EV_MOUSE_FOCUS:
nuclear@3: 		if(ev.focus.enter) {
nuclear@3: 			mousein();
nuclear@3: 		} else {
nuclear@3: 			mouseout();
nuclear@3: 		}
nuclear@3: 		on_mouse_focus(ev.focus);
nuclear@3: 		break;
nuclear@3: 
nuclear@3: 	case EV_KEY:
nuclear@3: 		on_key(ev.key);
nuclear@3: 		break;
nuclear@3: 
nuclear@3: 	default:
nuclear@3: 		fprintf(stderr, "%s: unknown event id: %d\n", __func__, ev.type);
nuclear@3: 	}
nuclear@3: }
nuclear@3: 
nuclear@3: 
nuclear@4: }	// namespace goatkit