GtkBoxConvertor Celsius în Fahrenheit

Convertire de temperatura din Celsius în Fahrenheit.

 Programul poate fi descarcat de pe github.com: https://github.com/mhcrnl/GtkBoxConvertor


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#include <stdlib.h>
#include <gtk/gtk.h>
#include <glib.h>
#include <glib/gi18n.h>

//#include <libgnome/gnome-i18n.h>

#define max 30

#define GETTEXT_PACKAGE "gtk20"
#include <glib/gi18n-lib.h>
/*
*   GLOBAL VARIABLES
*/
const gchar *title = _("GtkBox Convertor Cels To Fahr");
const gchar *authors[] = {_("Mihai Cornel mhcrnl@gmail.com"), NULL,};
const gchar *date  = _("24 noe 2018");
const gchar *version = "0.01";
const gchar *license = "GPL3v";

//#include "on_help_about.h"
GtkWidget *en_fahr = NULL;
/*
*   FUNCTIONS
*/
static void calculate(GtkWidget *wid, GtkWidget *entry);
static void helloWorld (GtkWidget *wid, GtkWidget *win);
void help_about(void);

static void calculate(GtkWidget *wid, GtkWidget *entry)
{
    float celsius = atof(gtk_entry_get_text(GTK_ENTRY(entry)));
    float fahrenheit = (celsius * 9/5) + 32;

    gchar s_fahr[max];
    g_sprintf(s_fahr, "%.2f", fahrenheit);

    gtk_entry_set_text(GTK_ENTRY(en_fahr), s_fahr);
}

static void helloWorld (GtkWidget *wid, GtkWidget *win)
{
  GtkWidget *dialog = NULL;

  dialog = gtk_message_dialog_new (GTK_WINDOW (win), GTK_DIALOG_MODAL, GTK_MESSAGE_INFO, GTK_BUTTONS_CLOSE, "Hello World!");
  gtk_window_set_position (GTK_WINDOW (dialog), GTK_WIN_POS_CENTER);
  gtk_dialog_run (GTK_DIALOG (dialog));
  gtk_widget_destroy (dialog);
}

void help_about(void)
{
 GtkWidget * about_dialog = gtk_about_dialog_new();
 gtk_about_dialog_set_authors(GTK_ABOUT_DIALOG(about_dialog), authors);
 gtk_about_dialog_set_license(GTK_ABOUT_DIALOG(about_dialog), license);
 gtk_dialog_run(GTK_DIALOG(about_dialog));
 gtk_widget_destroy(about_dialog);
}


int main (int argc, char *argv[])
{
  setlocale();
  bindtextdomain(GETTEXT_PACKAGE, "/locale");
  bind_textdomain_codeset(GETTEXT_PACKAGE, "UTF-8");
  textdomain(GETTEXT_PACKAGE);

  GtkWidget *button = NULL;
  GtkWidget *win = NULL;
  GtkWidget *vbox = NULL;

  GtkWidget *hbox = NULL;
  GtkWidget *lb_cels = NULL;
  GtkWidget *en_cels = NULL;

  GtkWidget *hbox1 = NULL;
  GtkWidget *lb_fahr = NULL;
  //GtkWidget *en_fahr = NULL;
  GtkWidget *bt_calc = NULL;

  GtkWidget *hbox2 = NULL;

  /* Initialize GTK+ */
  g_log_set_handler ("Gtk", G_LOG_LEVEL_WARNING, (GLogFunc) gtk_false, NULL);
  gtk_init (&argc, &argv);
  g_log_set_handler ("Gtk", G_LOG_LEVEL_WARNING, g_log_default_handler, NULL);

  /* Create the main window */
  win = gtk_window_new (GTK_WINDOW_TOPLEVEL);
  gtk_container_set_border_width (GTK_CONTAINER (win), 8);
  gtk_window_set_title (GTK_WINDOW (win), title);
  gtk_window_set_position (GTK_WINDOW (win), GTK_WIN_POS_CENTER);
  gtk_widget_realize (win);
  g_signal_connect (win, "destroy", gtk_main_quit, NULL);

  /* Create a vertical box with buttons */
  vbox = gtk_vbox_new (TRUE, 6);
  gtk_container_add (GTK_CONTAINER (win), vbox);
  /*
  * Gtk_HBox
  */
  hbox = gtk_hbox_new(TRUE,6);
  gtk_container_add(GTK_CONTAINER(vbox), hbox);

  lb_cels = gtk_label_new("Celsius");
  gtk_container_add(GTK_CONTAINER(hbox), lb_cels);

  en_cels = gtk_entry_new();
  gtk_container_add(GTK_CONTAINER(hbox), en_cels);

  button = gtk_button_new_from_stock (GTK_STOCK_DIALOG_INFO);
  g_signal_connect (G_OBJECT (button), "clicked", G_CALLBACK (help_about), NULL);
  gtk_box_pack_start (GTK_BOX (hbox), button, TRUE, TRUE, 0);

  hbox1 = gtk_hbox_new(TRUE,6);
  gtk_container_add(GTK_CONTAINER(vbox), hbox1);

  lb_fahr = gtk_label_new("Fahrenheit");
  gtk_container_add(GTK_CONTAINER(hbox1), lb_fahr);

  en_fahr = gtk_entry_new();
  gtk_container_add(GTK_CONTAINER(hbox1), en_fahr);

  bt_calc = gtk_button_new_with_label("Calculate");
  gtk_container_add(GTK_CONTAINER(hbox1), bt_calc);
  g_signal_connect(G_OBJECT(bt_calc), "clicked", G_CALLBACK(calculate), en_cels);

  hbox2 = gtk_hbox_new(TRUE,6);
  gtk_container_add(GTK_CONTAINER(vbox), hbox2);

  button = gtk_button_new_from_stock (GTK_STOCK_CLOSE);
  g_signal_connect (button, "clicked", gtk_main_quit, NULL);
  gtk_box_pack_start (GTK_BOX (hbox2), button, TRUE, TRUE, 0);

  /* Enter the main loop */
  gtk_widget_show_all (win);
  gtk_main ();
  return 0;
}

Locația: București, România

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