nuclear@0: #include <stdio.h>
nuclear@0: #include <stdlib.h>
nuclear@0: #include <assert.h>
nuclear@3: #include <vector>
nuclear@0: #include <GL/glut.h>
nuclear@4: #include "goatkit.h"
nuclear@0: 
nuclear@0: static bool init();
nuclear@0: static void cleanup();
nuclear@0: static void disp();
nuclear@3: static void idle();
nuclear@0: static void reshape(int x, int y);
nuclear@0: static void keypress(unsigned char key, int x, int y);
nuclear@0: static void keyrelease(unsigned char key, int x, int y);
nuclear@0: static void skeypress(int key, int x, int y);
nuclear@0: static void skeyrelease(int key, int x, int y);
nuclear@0: static void mouse(int bn, int st, int x, int y);
nuclear@0: static void motion(int x, int y);
nuclear@0: 
nuclear@4: static std::vector<goatkit::Widget*> widgets;
nuclear@3: 
nuclear@0: int main(int argc, char **argv)
nuclear@0: {
nuclear@0: 	glutInitWindowSize(800, 600);
nuclear@0: 	glutInit(&argc, argv);
nuclear@0: 	glutInitDisplayMode(GLUT_RGB | GLUT_DEPTH | GLUT_DOUBLE);
nuclear@4: 	glutCreateWindow("goatkit test");
nuclear@0: 
nuclear@0: 	glutDisplayFunc(disp);
nuclear@3: 	glutIdleFunc(idle);
nuclear@0: 	glutReshapeFunc(reshape);
nuclear@0: 	glutKeyboardFunc(keypress);
nuclear@0: 	glutKeyboardUpFunc(keyrelease);
nuclear@0: 	glutSpecialFunc(skeypress);
nuclear@0: 	glutSpecialUpFunc(skeyrelease);
nuclear@0: 	glutMouseFunc(mouse);
nuclear@0: 	glutMotionFunc(motion);
nuclear@0: 	glutPassiveMotionFunc(motion);
nuclear@0: 
nuclear@0: 	if(!init()) {
nuclear@0: 		return 1;
nuclear@0: 	}
nuclear@0: 	atexit(cleanup);
nuclear@0: 
nuclear@0: 	glutMainLoop();
nuclear@0: 	return 0;
nuclear@0: }
nuclear@0: 
nuclear@0: 
nuclear@0: static bool init()
nuclear@0: {
nuclear@4: 	goatkit::Button *button = new goatkit::Button;
nuclear@3: 	button->set_position(350, 280);
nuclear@3: 	button->set_size(100, 40);
nuclear@3: 	widgets.push_back(button);
nuclear@3: 
nuclear@0: 	return true;
nuclear@0: }
nuclear@0: 
nuclear@0: static void cleanup()
nuclear@0: {
nuclear@3: 	for(size_t i=0; i<widgets.size(); i++) {
nuclear@3: 		delete widgets[i];
nuclear@3: 	}
nuclear@0: }
nuclear@0: 
nuclear@0: static void disp()
nuclear@0: {
nuclear@3: 	glClearColor(0.2, 0.2, 0.2, 1.0);
nuclear@0: 	glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
nuclear@0: 
nuclear@3: 	for(size_t i=0; i<widgets.size(); i++) {
nuclear@3: 		widgets[i]->draw();
nuclear@3: 	}
nuclear@3: 
nuclear@0: 	glutSwapBuffers();
nuclear@0: 	assert(glGetError() == GL_NO_ERROR);
nuclear@0: }
nuclear@0: 
nuclear@3: static void idle()
nuclear@3: {
nuclear@3: 	glutPostRedisplay();
nuclear@3: }
nuclear@3: 
nuclear@0: static void reshape(int x, int y)
nuclear@0: {
nuclear@0: 	glViewport(0, 0, x, y);
nuclear@0: 	glMatrixMode(GL_PROJECTION);
nuclear@0: 	glLoadIdentity();
nuclear@3: 	glOrtho(0, x, 0, y, -1, 1);
nuclear@0: }
nuclear@0: 
nuclear@0: static void keypress(unsigned char key, int x, int y)
nuclear@0: {
nuclear@0: 	if(key == 27) {
nuclear@0: 		exit(0);
nuclear@0: 	}
nuclear@0: }
nuclear@0: 
nuclear@0: static void keyrelease(unsigned char key, int x, int y)
nuclear@0: {
nuclear@0: }
nuclear@0: 
nuclear@0: static void skeypress(int key, int x, int y)
nuclear@0: {
nuclear@0: }
nuclear@0: 
nuclear@0: static void skeyrelease(int key, int x, int y)
nuclear@0: {
nuclear@0: }
nuclear@0: 
nuclear@0: static void mouse(int bn, int st, int x, int y)
nuclear@0: {
nuclear@3: 	int bidx = bn - GLUT_LEFT_BUTTON;
nuclear@3: 	bool down = st == GLUT_DOWN;
nuclear@3: 
nuclear@3: 	for(size_t i=0; i<widgets.size(); i++) {
nuclear@4: 		goatkit::Widget *w = widgets[i];
nuclear@3: 
nuclear@4: 		if(w->hit_test(goatkit::Vec2(x, y))) {
nuclear@4: 			goatkit::Event ev;
nuclear@4: 			ev.type = goatkit::EV_MOUSE_BUTTON;
nuclear@3: 			ev.button.button = bidx;
nuclear@3: 			ev.button.press = down;
nuclear@4: 			ev.button.pos = goatkit::Vec2(x, y);
nuclear@3: 			w->handle_event(ev);
nuclear@3: 		}
nuclear@3: 	}
nuclear@0: }
nuclear@0: 
nuclear@0: static void motion(int x, int y)
nuclear@0: {
nuclear@4: 	static goatkit::Widget *active;
nuclear@3: 
nuclear@4: 	if(active && !active->hit_test(goatkit::Vec2(x, y))) {
nuclear@4: 		goatkit::Event ev;
nuclear@4: 		ev.type = goatkit::EV_MOUSE_FOCUS;
nuclear@3: 		ev.focus.enter = false;
nuclear@3: 		active->handle_event(ev);
nuclear@3: 		active = 0;
nuclear@3: 	}
nuclear@3: 
nuclear@3: 	for(size_t i=0; i<widgets.size(); i++) {
nuclear@4: 		goatkit::Widget *w = widgets[i];
nuclear@3: 
nuclear@4: 		if(w->hit_test(goatkit::Vec2(x, y))) {
nuclear@3: 			if(active != w) {
nuclear@4: 				goatkit::Event ev;
nuclear@4: 				ev.type = goatkit::EV_MOUSE_FOCUS;
nuclear@3: 				ev.focus.enter = true;
nuclear@3: 				w->handle_event(ev);
nuclear@3: 				active = w;
nuclear@3: 			}
nuclear@3: 		}
nuclear@3: 	}
nuclear@0: }