melonvpn/src/impl/gui/main.c

#include <gtk/gtk.h>
#include <gdk-pixbuf/gdk-pixbuf.h>
#include <libappindicator/app-indicator.h>

#include "states.h"
#include "statusicon.h"
#include "magic_code.h"

GtkApplication *app;
GdkPixbuf *appicon;
char *statusiconoff;
char *statusiconon;
States currentstate;

void update_state(States state) {
  currentstate = state;
  if(currentstate == CONNECTED) {
    status_icon_set_state(APP_INDICATOR_STATUS_ATTENTION);
  } else if(currentstate == DISCONNECTED) {
    status_icon_set_state(APP_INDICATOR_STATUS_PASSIVE);
  } else {
    status_icon_set_state(APP_INDICATOR_STATUS_ACTIVE);
  }
}

void open_about(GtkApplication* app) {
  GtkWidget *about = gtk_about_dialog_new();
  gtk_about_dialog_set_program_name(GTK_ABOUT_DIALOG(about),"Melon VPN");
  gtk_about_dialog_set_version(GTK_ABOUT_DIALOG(about),"v1.0.0");
  gtk_about_dialog_set_copyright(GTK_ABOUT_DIALOG(about),"Copyright OnPointCoding");
  gtk_about_dialog_set_license_type(GTK_ABOUT_DIALOG(about),GTK_LICENSE_UNKNOWN);
  gtk_about_dialog_set_website(GTK_ABOUT_DIALOG(about),"https://software.onpointcoding.net");
  gtk_about_dialog_set_website_label(GTK_ABOUT_DIALOG(about),"OnPointCoding.net");
  gtk_about_dialog_set_logo(GTK_ABOUT_DIALOG(about),appicon);

  const char *authors[2] = {"MrMelon54",NULL};
  gtk_about_dialog_set_authors(GTK_ABOUT_DIALOG(about),authors);

  const char *artists[2] = {"MrMelon54",NULL};
  gtk_about_dialog_set_artists(GTK_ABOUT_DIALOG(about),artists);

  gtk_widget_show_all(about);
}

void open_paint_btn(GtkButton *button) {
  update_state((currentstate + 1) % 3);
}

void open_about_btn(GtkButton *button) {
  open_about(app);
}

void activate(GtkApplication* app) {
  GtkWidget *window;
  GtkWidget *box;
  GtkWidget *button;
  GtkWidget *button2;

  window = gtk_application_window_new(app);
  gtk_window_set_title(GTK_WINDOW(window),"Melon VPN");
  gtk_window_set_default_size(GTK_WINDOW(window),400,400);

  // Setup status icon now window is available
  status_icon_create(window,statusiconoff,statusiconon);
  status_icon_set_state(APP_INDICATOR_STATUS_PASSIVE);

  gtk_container_set_border_width(GTK_CONTAINER(window),8);

  button = gtk_button_new_with_label("Start");
  g_signal_connect(button,"clicked",G_CALLBACK(open_paint_btn),NULL);

  button2 = gtk_button_new_with_label("About");
  g_signal_connect(button2,"clicked",G_CALLBACK(open_about_btn),NULL);

  box = gtk_fixed_new();

  gtk_container_add(GTK_CONTAINER(window),box);
  gtk_fixed_put(GTK_FIXED(box),button,5,5);
  gtk_fixed_put(GTK_FIXED(box),button2,100,60);

  gtk_widget_show_all(window);
}

void get_magic_code(int *a, int *b) {
  *a = MAGIC_CODE_A;
  *b = MAGIC_CODE_B;
}

int run_gui(int argc, char **argv) {
  int status;

  statusiconoff = "";
  statusiconon = "";

  if(access("melonvpn.png",R_OK) == 0) {
    appicon = gdk_pixbuf_new_from_file("melonvpn.png",NULL);
  } else if(access("/usr/lib/melonvpn/melonvpn.png",R_OK) == 0) {
    appicon = gdk_pixbuf_new_from_file("/usr/lib/melonvpn/melonvpn.png",NULL);
  }

  if(access("/usr/lib/melonvpn/statusmelonoff.png",R_OK) == 0) {
    statusiconoff = "/usr/lib/melonvpn/statusmelonoff.png";
  } else {
    fprintf(stderr,"WARN: Unable to find statusmelonoff.png\n");
  }

  if(access("/usr/lib/melonvpn/statusmelonon.png",R_OK) == 0) {
    statusiconon = "/usr/lib/melonvpn/statusmelonon.png";
  } else {
    fprintf(stderr,"WARN: Unable to find statusmelonon.png\n");
  }

  if(appicon == NULL) {
    fprintf(stderr,"ERROR: Failed to load program logo\n");
    return 1;
  }
  if(statusiconoff == NULL) {
    fprintf(stderr,"ERROR: Failed to load status off icon\n");
    return 1;
  }
  if(statusiconon == NULL) {
    fprintf(stderr,"ERROR: Failed to load status on icon\n");
    return 1;
  }

  currentstate = DISCONNECTED;

  app = gtk_application_new("net.onpointcoding.melonvpn",G_APPLICATION_FLAGS_NONE);
  g_signal_connect(app,"activate",G_CALLBACK(activate),NULL);
  status = g_application_run(G_APPLICATION(app),argc,argv);
  g_object_unref(app);

  return status;
}