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GUI: add resize() and draw()

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This commit is contained in:
Josh Holtrop 2014-06-26 11:15:34 -04:00
parent 23a24e4af4
commit 3c22fed1fe
2 changed files with 35 additions and 2 deletions
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35
src/gui/GUI.cc
View File

@ -100,8 +100,8 @@ namespace jes
int GUI::run()
{
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
SDL_GL_SwapWindow(m_window);
resize();
draw();
SDL_Event event;
while (SDL_WaitEvent(&event))
@ -113,8 +113,39 @@ namespace jes
if (event.key.keysym.sym == SDLK_ESCAPE)
break;
}
else if (event.type == SDL_WINDOWEVENT)
{
switch (event.window.event)
{
case SDL_WINDOWEVENT_EXPOSED:
draw();
break;
case SDL_WINDOWEVENT_RESIZED:
resize();
draw();
break;
}
}
}
return 0;
}
void GUI::resize()
{
GLint viewport_size[2];
SDL_GetWindowSize(m_window, &viewport_size[0], &viewport_size[1]);
glViewport(0, 0, viewport_size[0], viewport_size[1]);
for (int i = 0; i < PROGRAM_COUNT; i++)
{
m_programs[i]->use();
glUniform2iv(m_programs[i]->get_uniform("viewport_size"), 1, &viewport_size[0]);
}
}
void GUI::draw()
{
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
SDL_GL_SwapWindow(m_window);
}
}

2
src/gui/GUI.h
View File

@ -22,6 +22,8 @@ namespace jes
int run();
protected:
bool load_shaders();
void resize();
void draw();
SDL_Window * m_window;
FontManagerRef m_font_manager;