File: about.c

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hintview 2.3.0-1
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#include <gtk/gtk.h>
#include "basetypes.h"
#include "main.h"
#include "error.h"


static GtkWidget *get_logo(void)
{  static GtkWidget *logo=NULL;
    if (logo==NULL)
    { logo=gtk_image_new_from_resource ("/edu/hm/cs/hintview/logo");
      g_object_ref(logo);
    }
    return logo;
}

static void do_message(const char *title, const char *header, const char *body)
{ GtkWidget *dialog,*content_area,*label, *hbox;
  
  dialog = gtk_dialog_new_with_buttons (title,NULL,
					GTK_DIALOG_MODAL,
					"OK",
                                        GTK_RESPONSE_OK,
					NULL);

  gtk_window_set_resizable(GTK_WINDOW(dialog),FALSE);
  gtk_window_set_type_hint(GTK_WINDOW(dialog),GDK_WINDOW_TYPE_HINT_DIALOG);
  
  content_area = gtk_dialog_get_content_area (GTK_DIALOG (dialog));
  hbox = gtk_box_new (GTK_ORIENTATION_HORIZONTAL, 8);
  gtk_container_set_border_width (GTK_CONTAINER (hbox), 8);
  gtk_box_pack_start (GTK_BOX (content_area), hbox, FALSE, FALSE, 10);
  
  gtk_box_pack_start (GTK_BOX (hbox), get_logo(), FALSE, FALSE, 0);

  label=gtk_label_new(NULL);
  gtk_label_set_markup (GTK_LABEL (label),header);
  gtk_box_pack_start (GTK_BOX (hbox), label, TRUE, FALSE, 20);

  label=gtk_label_new(NULL);
  gtk_label_set_markup (GTK_LABEL (label), body);
  gtk_container_add (GTK_CONTAINER (content_area), label);

  gtk_widget_show_all (dialog);
  gtk_dialog_run (GTK_DIALOG (dialog));
  gtk_widget_destroy (dialog);
}

#define STR(S) EXP(S)
#define EXP(S) #S

void
do_about (void)
{ do_message(
  "About HintView",
  "<b>HintView: An application to view HINT files.</b>\n",
  "© Martin Ruckert 2025\n"
  "\n"				   
  "HintView Version: " STR(VERSION) "." STR(MINOR_VERSION) " (" STR(REVISION) ")\n"
  "HINT File Format Version: " HINT_VERSION_STRING "\n"
  "\n"
  "Documentation:\n"
  "\t<a href=\"https://hint.userweb.mwn.de/hint/hintview.html\">"
     "The HintView home page</a>\n"
  "\n"				   
  "Credits:\n"   				   
  "\t<a href=\"http://www.opengl-tutorial.org\">The OpenGL Tutorial</a>\n"
  "\t<a href=\"https://docs.gtk.org/gtk3/\">GTK-3</a>\n"
  "\t<a href=\"https://www.tug.org/texlive\">TeX Live</a>\n"
  "\t<a href=\"http://freetype.org\">Freetype 2</a>\n"
  "\t<a href=\"https://www.zlib.net\">zlib</a>\n"
  "\n"
  "<a href=\"https://hint.userweb.mwn.de/hint/privacy.html\">Data protection declaration</a>\n"
  "\n"
  );
}

void
do_help (void)
{ do_message(
  "HintView Help",
  "",
   "<b>The HintView Manual</b>\n"
   "\tUse <i>man hintview</i> on Linux.\n"
   "\tIf the manual is not installed, download it here: "
   "<a href=\"https://hint.userweb.mwn.de/hint/linux/hintview.1\">hintview.1</a>\n"
  "\tAlternatively download it as a HINT file here: "
  "<a href=\"https://hint.userweb.mwn.de/hint/examples/hintview.hnt\">hintview.hnt</a>\n"
  "\n"
  "<a href=\"https://hint.userweb.mwn.de/hint/video/\">"
  "<b>The HINT Video Collection</b></a>\n"
  "\n"
  "<a href=\"https://hint.userweb.mwn.de/hint/examples/\">"
  "<b>The HINT Examples Collection</b></a>\n"
  "\n"
  );
}



void hint_message(char *title, char *format, ...)
{ 
  char str[1024];
  va_list vargs;
  va_start(vargs,format);
  vsnprintf(str, 1024, format, vargs);
  do_message(title,"",str);
}

int hint_error(const char *title, const char *msg)
{ do_message("HintView Error",title,msg);
  return 0;
}