Panda3D Manual: The Window Framework
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Note: The WindowFramework class is for use in C++ only. If you use Python, you can just use DirectStart to open a window and skip this page.

This page will explain how to use the WindowFramework class in C++ to open a blank window. First of all, we need to include the appropiate header files:

#include "pandaFramework.h"
#include "pandaSystem.h"

Second, we need to create an instance of the WindowFramework class and open the main int of course.

PandaFramework framework;
int main(int argc, char *argv[]) {

Now, we must open the framework, give the window a nice title and open the window:

framework.open_framework(argc, argv);
framework.set_window_title("Hello World!");
//open it!
WindowFramework *window = framework.open_window();

Now, we're going to check if the window has opened successfully. If so, the main loop must be called, using the function framework.main_loop(). This is equal to the run() function in Python.

if (window != (WindowFramework *)NULL) {
  nout << "Opened the window successfully!\n";

  //put here your own code, such as the loading of your models

  framework.main_loop();
} else {
  nout << "Could not load the window!\n";
}

Afterwards, we need to close the framework:

  framework.close_framework();
  return (0);
}

Now, compile and run your file and you have your own window opened!

For the lazy ones among us, here is the full code:

//include all the stuff
#include "pandaFramework.h"
#include "pandaSystem.h"

//init the PandaFramework class
PandaFramework framework;

int main(int argc, char *argv[]) {
  //open the framework
  framework.open_framework(argc, argv);
  //set a nice title
  framework.set_window_title("Hello World!");
  //open it!
  WindowFramework *window = framework.open_window();
  //check whether the window is loaded correctly
  if (window != (WindowFramework *)NULL) {
    nout << "Opened the window successfully!\n";

    //put here your own code, such as the loading of your models
    //do the main loop
    framework.main_loop();
  } else {
    nout << "Could not load the window!\n";
  }
  //close the framework
  framework.close_framework();
  return (0);
}
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