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#include <iostream.h>
#include <ClanLib/core.h>
#include <ClanLib/gui.h>
#include <ClanLib/gl.h>
#include <ClanLib/application.h>
#include <ClanLib/display.h>
#include "stylemanager_opengl.h"
class App : public CL_ClanApplication
{
public:
char *get_title() { return "OpenGL GUI"; }
bool quit;
int main(int argc, char** argv)
{
// Create a console window for text-output if not available
CL_ConsoleWindow console("Console");
console.redirect_stdio();
try
{
std::cout << std::endl;
std::cout << "This example shows an OpenGL GUI theme." << std::endl;
std::cout << std::endl;
CL_SetupCore::init();
CL_SetupGL::init();
CL_SetupGUI::init();
CL_SetupDisplay::init();
CL_Display::set_videomode(1024,768,16, false);
CL_OpenGL::disable_2d_projection();
// Setup a camera view:
float fov = 60.0f;
float nearZ = 1.0f;
float farZ = 20*100.0f;
float ratio = CL_Display::get_width() / (float) CL_Display::get_height();
glMatrixMode(GL_PROJECTION);
glLoadIdentity();
gluPerspective(
fov, // field of view
ratio, // aspect ratio
nearZ, // near clipping plane
farZ); // far clipping plane
glMatrixMode(GL_MODELVIEW);
glLoadIdentity();
float pos[3] = {0, 0, -800};
float center[3] = {320, 200, 0};
float up[3] = {0, -1, 0};
gluLookAt(
// position
pos[0],
pos[1],
pos[2],
// center
center[0],
center[1],
center[2],
// up
up[0],
up[1],
up[2]);
// Antialias lines
glHint(GL_LINE_SMOOTH_HINT, GL_NICEST);
glEnable(GL_LINE_SMOOTH);
CL_ResourceManager *resources = new CL_ResourceManager("resources.scr", false);
CL_StyleManager *style = new CL_StyleManager_OpenGL(resources);
CL_GUIManager *gui = new CL_GUIManager(style);
CL_Window *window1 = new CL_Window(CL_Rect(100, 100, 400, 300), "Window 1", gui);
CL_Button *button1 = new CL_Button(CL_Rect(10,10,80,30), "Dummy 1", window1->get_client_area());
CL_Button *button2 = new CL_Button(CL_Rect(10,40,80,60), "Dummy 2", window1->get_client_area());
CL_Button *button3 = new CL_Button(CL_Rect(10,70,80,90), "Dummy 3", window1->get_client_area());
CL_Button *button4 = new CL_Button(CL_Rect(10,100,80,120), "Dummy 4", window1->get_client_area());
CL_Button *button5 = new CL_Button(CL_Rect(10,130,80,150), "Dummy 5", window1->get_client_area());
CL_Window *window2 = new CL_Window(CL_Rect(200, 200, 500, 400), "Window 2", gui);
CL_Button *buttonQuit = new CL_Button(CL_Rect(10,10,60,30), "Quit", gui);
// Quit when user presses quit button
CL_Slot quitSlot = buttonQuit->sig_clicked().connect(this, &App::on_quit);
quit = false;
while (!CL_Keyboard::get_keycode(CL_KEY_ESCAPE) && quit == false)
{
CL_Display::clear_display();
gui->show();
CL_Display::draw_rect(0,0,639,479,1,1,0,1);
CL_System::keep_alive();
CL_Display::flip_display();
}
delete gui;
delete style;
delete resources;
CL_SetupDisplay::deinit();
CL_SetupGUI::deinit();
CL_SetupGL::deinit();
CL_SetupCore::deinit();
}
catch (CL_Error e)
{
std::cout << e.message.c_str() << std::endl;
// Display console close message and wait for a key
console.display_close_message();
}
return 0;
}
void on_quit()
{
quit = true;
}
} app;
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