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add GUI class

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This commit is contained in:
Josh Holtrop 2014-06-10 21:58:23 -04:00
parent dc47bf5256
commit 6767062155
3 changed files with 93 additions and 68 deletions
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69
src/gui/GUI.cc Normal file
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@ -0,0 +1,69 @@
#include "GUI.h"
#include "gl3w.h"
#include <iostream>
#define WIDTH 500
#define HEIGHT 500
namespace jes
{
GUI::GUI()
{
if (SDL_Init(SDL_INIT_VIDEO))
{
std::cerr << "Failed to initialize SDL!" << std::endl;
return;
}
atexit(SDL_Quit);
m_window = SDL_CreateWindow("jes",
SDL_WINDOWPOS_UNDEFINED,
SDL_WINDOWPOS_UNDEFINED,
WIDTH,
HEIGHT,
SDL_WINDOW_OPENGL);
if (!m_window)
{
std::cerr << "Failed to create window!" << std::endl;
SDL_Quit();
return;
}
(void)SDL_GL_CreateContext(m_window);
if (gl3wInit() != 0)
{
std::cerr << "Failed to gl3wInit()" << std::endl;
SDL_Quit();
return;
}
if (!gl3wIsSupported(3, 0))
{
std::cerr << "OpenGL 3.0 is not supported!" << std::endl;
SDL_Quit();
return;
}
glClearColor (0.0, 0.0, 0.0, 0.0);
}
void GUI::run()
{
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
SDL_GL_SwapWindow(m_window);
SDL_Event event;
while (SDL_WaitEvent(&event))
{
if (event.type == SDL_QUIT)
break;
else if (event.type == SDL_KEYDOWN)
{
if (event.key.keysym.sym == SDLK_ESCAPE)
break;
}
}
}
}

21
src/gui/GUI.h Normal file
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@ -0,0 +1,21 @@
#ifndef JES_GUI_H
#define JES_GUI_H
#include "jes/Ref.h"
#include <SDL.h>
namespace jes
{
class GUI
{
public:
GUI();
void run();
protected:
SDL_Window * m_window;
};
typedef Ref<GUI> GUIRef;
}
#endif

71
src/gui/main.cc
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@ -1,75 +1,10 @@
#include "gl3w.h"
#include <SDL.h>
#include <iostream>
#include "GUI.h"
using namespace std;
#define WIDTH 500
#define HEIGHT 500
void init(void)
{
glClearColor (0.0, 0.0, 0.0, 0.0);
}
void display(SDL_Window * window)
{
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
SDL_GL_SwapWindow(window);
}
int main(int argc, char *argv[])
{
if (SDL_Init(SDL_INIT_VIDEO))
{
cerr << "Failed to initialize SDL!" << endl;
return 1;
}
atexit(SDL_Quit);
SDL_Window * window = SDL_CreateWindow(argv[0],
SDL_WINDOWPOS_UNDEFINED,
SDL_WINDOWPOS_UNDEFINED,
WIDTH,
HEIGHT,
SDL_WINDOW_OPENGL);
if (!window)
{
cerr << "Failed to create window!" << endl;
SDL_Quit();
return 2;
}
(void)SDL_GL_CreateContext(window);
if (gl3wInit() != 0)
{
cerr << "Failed to gl3wInit()" << endl;
SDL_Quit();
return 2;
}
if (!gl3wIsSupported(3, 0))
{
cerr << "OpenGL 3.0 is not supported!" << endl;
SDL_Quit();
return 2;
}
init();
display(window);
SDL_Event event;
while (SDL_WaitEvent(&event))
{
if (event.type == SDL_QUIT)
break;
else if (event.type == SDL_KEYDOWN)
{
if (event.key.keysym.sym == SDLK_ESCAPE)
break;
if (event.key.keysym.sym == SDLK_RETURN)
display(window);
}
}
jes::GUIRef gui = new jes::GUI();
gui->run();
}