testgtk.c

开发linux应用-用gtk+和gdk开发linux图形用户界面应用－－的实例

      gtk_box_pack_start (GTK_BOX (box1), box2, FALSE, TRUE, 0);

      button = gtk_button_new_with_label ("close");
      gtk_signal_connect_object (GTK_OBJECT (button), "clicked",
				 GTK_SIGNAL_FUNC(gtk_widget_destroy),
				 GTK_OBJECT (window));
      gtk_box_pack_start (GTK_BOX (box2), button, TRUE, TRUE, 0);
      GTK_WIDGET_SET_FLAGS (button, GTK_CAN_DEFAULT);
      gtk_widget_grab_default (button);
    }

  if (!GTK_WIDGET_VISIBLE (window))
    gtk_widget_show_all (window);
  else
    gtk_widget_destroy (window);
}

/*
 * GtkButtonBox
 */

static GtkWidget *
create_bbox (gint  horizontal,
	     char* title, 
	     gint  spacing,
	     gint  child_w, 
	     gint  child_h, 
	     gint  layout)
{
  GtkWidget *frame;
  GtkWidget *bbox;
  GtkWidget *button;
	
  frame = gtk_frame_new (title);

  if (horizontal)
    bbox = gtk_hbutton_box_new ();
  else
    bbox = gtk_vbutton_box_new ();

  gtk_container_border_width (GTK_CONTAINER (bbox), 5);
  gtk_container_add (GTK_CONTAINER (frame), bbox);

  gtk_button_box_set_layout (GTK_BUTTON_BOX (bbox), layout);
  gtk_button_box_set_spacing (GTK_BUTTON_BOX (bbox), spacing);
  gtk_button_box_set_child_size (GTK_BUTTON_BOX (bbox), child_w, child_h);
  
  button = gtk_button_new_with_label ("OK");
  gtk_container_add (GTK_CONTAINER (bbox), button);
  
  button = gtk_button_new_with_label ("Cancel");
  gtk_container_add (GTK_CONTAINER (bbox), button);
  
  button = gtk_button_new_with_label ("Help");
  gtk_container_add (GTK_CONTAINER (bbox), button);

  return frame;
}

static void
create_button_box (void)
{
  static GtkWidget* window = NULL;
  GtkWidget *main_vbox;
  GtkWidget *vbox;
  GtkWidget *hbox;
  GtkWidget *frame_horz;
  GtkWidget *frame_vert;
	
  if (!window)
  {
    window = gtk_window_new (GTK_WINDOW_TOPLEVEL);
    gtk_window_set_title (GTK_WINDOW (window), "Button Boxes");
    
    gtk_signal_connect (GTK_OBJECT (window), "destroy",
			GTK_SIGNAL_FUNC(gtk_widget_destroyed),
			&window);
    
    gtk_container_border_width (GTK_CONTAINER (window), 10);

    main_vbox = gtk_vbox_new (FALSE, 0);
    gtk_container_add (GTK_CONTAINER (window), main_vbox);
    
    frame_horz = gtk_frame_new ("Horizontal Button Boxes");
    gtk_box_pack_start (GTK_BOX (main_vbox), frame_horz, TRUE, TRUE, 10);
    
    vbox = gtk_vbox_new (FALSE, 0);
    gtk_container_border_width (GTK_CONTAINER (vbox), 10);
    gtk_container_add (GTK_CONTAINER (frame_horz), vbox);

    gtk_box_pack_start (GTK_BOX (vbox), 
	   create_bbox (TRUE, "Spread", 40, 85, 20, GTK_BUTTONBOX_SPREAD),
			TRUE, TRUE, 0);

    gtk_box_pack_start (GTK_BOX (vbox), 
	   create_bbox (TRUE, "Edge", 40, 85, 20, GTK_BUTTONBOX_EDGE),
			TRUE, TRUE, 5);

    gtk_box_pack_start (GTK_BOX (vbox), 
	   create_bbox (TRUE, "Start", 40, 85, 20, GTK_BUTTONBOX_START),
			TRUE, TRUE, 5);

    gtk_box_pack_start (GTK_BOX (vbox), 
	   create_bbox (TRUE, "End", 40, 85, 20, GTK_BUTTONBOX_END),
			TRUE, TRUE, 5);

    frame_vert = gtk_frame_new ("Vertical Button Boxes");
    gtk_box_pack_start (GTK_BOX (main_vbox), frame_vert, TRUE, TRUE, 10);
    
    hbox = gtk_hbox_new (FALSE, 0);
    gtk_container_border_width (GTK_CONTAINER (hbox), 10);
    gtk_container_add (GTK_CONTAINER (frame_vert), hbox);

    gtk_box_pack_start (GTK_BOX (hbox), 
	   create_bbox (FALSE, "Spread", 30, 85, 20, GTK_BUTTONBOX_SPREAD),
			TRUE, TRUE, 0);

    gtk_box_pack_start (GTK_BOX (hbox), 
	   create_bbox (FALSE, "Edge", 30, 85, 20, GTK_BUTTONBOX_EDGE),
			TRUE, TRUE, 5);

    gtk_box_pack_start (GTK_BOX (hbox), 
	   create_bbox (FALSE, "Start", 30, 85, 20, GTK_BUTTONBOX_START),
			TRUE, TRUE, 5);

    gtk_box_pack_start (GTK_BOX (hbox), 
	   create_bbox (FALSE, "End", 30, 85, 20, GTK_BUTTONBOX_END),
			TRUE, TRUE, 5);
  }

  if (!GTK_WIDGET_VISIBLE (window))
    gtk_widget_show_all (window);
  else
    gtk_widget_destroy (window);
}

/*
 * GtkToolBar
 */

static GtkWidget*
new_pixmap (char      *filename,
	    GdkWindow *window,
	    GdkColor  *background)
{
  GtkWidget *wpixmap;
  GdkPixmap *pixmap;
  GdkBitmap *mask;

  pixmap = gdk_pixmap_create_from_xpm (window, &mask,
				       background,
				       filename);
  wpixmap = gtk_pixmap_new (pixmap, mask);

  return wpixmap;
}

static void
set_toolbar_horizontal (GtkWidget *widget,
			gpointer   data)
{
  gtk_toolbar_set_orientation (GTK_TOOLBAR (data), GTK_ORIENTATION_HORIZONTAL);
}

static void
set_toolbar_vertical (GtkWidget *widget,
		      gpointer   data)
{
  gtk_toolbar_set_orientation (GTK_TOOLBAR (data), GTK_ORIENTATION_VERTICAL);
}

static void
set_toolbar_icons (GtkWidget *widget,
		   gpointer   data)
{
  gtk_toolbar_set_style (GTK_TOOLBAR (data), GTK_TOOLBAR_ICONS);
}

static void
set_toolbar_text (GtkWidget *widget,
	          gpointer   data)
{
  gtk_toolbar_set_style (GTK_TOOLBAR (data), GTK_TOOLBAR_TEXT);
}

static void
set_toolbar_both (GtkWidget *widget,
		  gpointer   data)
{
  gtk_toolbar_set_style (GTK_TOOLBAR (data), GTK_TOOLBAR_BOTH);
}

static void
set_toolbar_small_space (GtkWidget *widget,
			 gpointer   data)
{
  gtk_toolbar_set_space_size (GTK_TOOLBAR (data), 5);
}

static void
set_toolbar_big_space (GtkWidget *widget,
		       gpointer   data)
{
  gtk_toolbar_set_space_size (GTK_TOOLBAR (data), 10);
}

static void
set_toolbar_enable (GtkWidget *widget,
		    gpointer   data)
{
  gtk_toolbar_set_tooltips (GTK_TOOLBAR (data), TRUE);
}

static void
set_toolbar_disable (GtkWidget *widget,
		     gpointer   data)
{
  gtk_toolbar_set_tooltips (GTK_TOOLBAR (data), FALSE);
}

static void
set_toolbar_borders (GtkWidget *widget,
		     gpointer   data)
{
  gtk_toolbar_set_button_relief (GTK_TOOLBAR (data), GTK_RELIEF_NORMAL);
}

static void
set_toolbar_borderless (GtkWidget *widget,
			gpointer   data)
{
  gtk_toolbar_set_button_relief (GTK_TOOLBAR (data), GTK_RELIEF_NONE);
}

static void
create_toolbar (void)
{
  static GtkWidget *window = NULL;
  GtkWidget *toolbar;
  GtkWidget *entry;

  if (!window)
    {
      window = gtk_window_new (GTK_WINDOW_TOPLEVEL);
      gtk_window_set_title (GTK_WINDOW (window), "Toolbar test");
      gtk_window_set_policy (GTK_WINDOW (window), FALSE, TRUE, TRUE);

      gtk_signal_connect (GTK_OBJECT (window), "destroy",
			  GTK_SIGNAL_FUNC (gtk_widget_destroyed),
			  &window);

      gtk_container_border_width (GTK_CONTAINER (window), 0);
      gtk_widget_realize (window);

      toolbar = gtk_toolbar_new (GTK_ORIENTATION_HORIZONTAL, GTK_TOOLBAR_BOTH);
      gtk_toolbar_set_button_relief (GTK_TOOLBAR (toolbar), GTK_RELIEF_NONE);

      gtk_toolbar_append_item (GTK_TOOLBAR (toolbar),
			       "Horizontal", "Horizontal toolbar layout", "Toolbar/Horizontal",
			       new_pixmap ("test.xpm", window->window, &window->style->bg[GTK_STATE_NORMAL]),
			       (GtkSignalFunc) set_toolbar_horizontal, toolbar);
      gtk_toolbar_append_item (GTK_TOOLBAR (toolbar),
			       "Vertical", "Vertical toolbar layout", "Toolbar/Vertical",
			       new_pixmap ("test.xpm", window->window, &window->style->bg[GTK_STATE_NORMAL]),
			       (GtkSignalFunc) set_toolbar_vertical, toolbar);

      gtk_toolbar_append_space (GTK_TOOLBAR(toolbar));

      gtk_toolbar_append_item (GTK_TOOLBAR (toolbar),
			       "Icons", "Only show toolbar icons", "Toolbar/IconsOnly",
			       new_pixmap ("test.xpm", window->window, &window->style->bg[GTK_STATE_NORMAL]),
			       (GtkSignalFunc) set_toolbar_icons, toolbar);
      gtk_toolbar_append_item (GTK_TOOLBAR (toolbar),
			       "Text", "Only show toolbar text", "Toolbar/TextOnly",
			       new_pixmap ("test.xpm", window->window, &window->style->bg[GTK_STATE_NORMAL]),
			       (GtkSignalFunc) set_toolbar_text, toolbar);
      gtk_toolbar_append_item (GTK_TOOLBAR (toolbar),
			       "Both", "Show toolbar icons and text", "Toolbar/Both",
			       new_pixmap ("test.xpm", window->window, &window->style->bg[GTK_STATE_NORMAL]),
			       (GtkSignalFunc) set_toolbar_both, toolbar);

      gtk_toolbar_append_space (GTK_TOOLBAR (toolbar));

      entry = gtk_entry_new ();

      gtk_toolbar_append_widget (GTK_TOOLBAR (toolbar), entry, "This is an unusable GtkEntry ;)", "Hey don't click me!!!");

      gtk_toolbar_append_space (GTK_TOOLBAR (toolbar));

      gtk_toolbar_append_item (GTK_TOOLBAR (toolbar),
			       "Small", "Use small spaces", "Toolbar/Small",
			       new_pixmap ("test.xpm", window->window, &window->style->bg[GTK_STATE_NORMAL]),
			       (GtkSignalFunc) set_toolbar_small_space, toolbar);
      gtk_toolbar_append_item (GTK_TOOLBAR (toolbar),
			       "Big", "Use big spaces", "Toolbar/Big",
			       new_pixmap ("test.xpm", window->window, &window->style->bg[GTK_STATE_NORMAL]),
			       (GtkSignalFunc) set_toolbar_big_space, toolbar);

      gtk_toolbar_append_space (GTK_TOOLBAR (toolbar));

      gtk_toolbar_append_item (GTK_TOOLBAR (toolbar),
			       "Enable", "Enable tooltips", NULL,
			       new_pixmap ("test.xpm", window->window, &window->style->bg[GTK_STATE_NORMAL]),
			       (GtkSignalFunc) set_toolbar_enable, toolbar);
      gtk_toolbar_append_item (GTK_TOOLBAR (toolbar),
			       "Disable", "Disable tooltips", NULL,
			       new_pixmap ("test.xpm", window->window, &window->style->bg[GTK_STATE_NORMAL]),
			       (GtkSignalFunc) set_toolbar_disable, toolbar);

      gtk_toolbar_append_space (GTK_TOOLBAR (toolbar));

      gtk_toolbar_append_item (GTK_TOOLBAR (toolbar),
			       "Borders", "Show Borders", NULL,
			       new_pixmap ("test.xpm", window->window, &window->style->bg[GTK_STATE_NORMAL]),
			       (GtkSignalFunc) set_toolbar_borders, toolbar);
      gtk_toolbar_append_item (GTK_TOOLBAR (toolbar),
			       "Borderless", "Hide Borders", NULL,
			       new_pixmap ("test.xpm", window->window, &window->style->bg[GTK_STATE_NORMAL]),
			       (GtkSignalFunc) set_toolbar_borderless, toolbar);

      gtk_container_add (GTK_CONTAINER (window), toolbar);
    }

  if (!GTK_WIDGET_VISIBLE (window))
    gtk_widget_show_all (window);
  else
    gtk_widget_destroy (window);
}

static GtkWidget*
make_toolbar (GtkWidget *window)
{
  GtkWidget *toolbar;

  if (!GTK_WIDGET_REALIZED (window))
    gtk_widget_realize (window);

  toolbar = gtk_toolbar_new (GTK_ORIENTATION_HORIZONTAL, GTK_TOOLBAR_BOTH);
  gtk_toolbar_set_button_relief (GTK_TOOLBAR (toolbar), GTK_RELIEF_NONE);

  gtk_toolbar_append_item (GTK_TOOLBAR (toolbar),
			   "Horizontal", "Horizontal toolbar layout", NULL,
			   new_pixmap ("test.xpm", window->window, &window->style->bg[GTK_STATE_NORMAL]),
			   (GtkSignalFunc) set_toolbar_horizontal, toolbar);
  gtk_toolbar_append_item (GTK_TOOLBAR (toolbar),
			   "Vertical", "Vertical toolbar layout", NULL,
			   new_pixmap ("test.xpm", window->window, &window->style->bg[GTK_STATE_NORMAL]),
			   (GtkSignalFunc) set_toolbar_vertical, toolbar);

  gtk_toolbar_append_space (GTK_TOOLBAR(toolbar));

  gtk_toolbar_append_item (GTK_TOOLBAR (toolbar),
			   "Icons", "Only show toolbar icons", NULL,
			   new_pixmap ("test.xpm", window->window, &window->style->bg[GTK_STATE_NORMAL]),
			   (GtkSignalFunc) set_toolbar_icons, toolbar);
  gtk_toolbar_append_item (GTK_TOOLBAR (toolbar),
			   "Text", "Only show toolbar text", NULL,
			   new_pixmap ("test.xpm", window->window, &window->style->bg[GTK_STATE_NORMAL]),
			   (GtkSignalFunc) set_toolbar_text, toolbar);
  gtk_toolbar_append_item (GTK_TOOLBAR (toolbar),
			   "Both", "Show toolbar icons and text", NULL,
			   new_pixmap ("test.xpm", window->window, &window->style->bg[GTK_STATE_NORMAL]),
			   (GtkSignalFunc) set_toolbar_both, toolbar);

  gtk_toolbar_append_space (GTK_TOOLBAR (toolbar));

  gtk_toolbar_append_item (GTK_TOOLBAR (toolbar),
			   "Small", "Use small spaces", NULL,
			   new_pixmap ("test.xpm", window->window, &window->style->bg[GTK_STATE_NORMAL]),
			   (GtkSignalFunc) set_toolbar_small_space, toolbar);
  gtk_toolbar_append_item (GTK_TOOLBAR (toolbar),
			   "Big", "Use big spaces", "Toolbar/Big",
			   new_pixmap ("test.xpm", window->window, &window->style->bg[GTK_STATE_NORMAL]),
			   (GtkSignalFunc) set_toolbar_big_space, toolbar);

  gtk_toolbar_append_space (GTK_TOOLBAR (toolbar));

  gtk_toolbar_append_item (GTK_TOOLBAR (toolbar),
			   "Enable", "Enable tooltips", NULL,
			   new_pixmap ("test.xpm", window->window, &window->style->bg[GTK_STATE_NORMAL]),
			   (GtkSignalFunc) set_toolbar_enable, toolbar);
  gtk_toolbar_append_item (GTK_TOOLBAR (toolbar),
			   "Disable", "Disable tooltips", NULL,
			   new_pixmap ("test.xpm", window->window, &window->style->bg[GTK_STATE_NORMAL]),
			   (GtkSignalFunc) set_toolbar_disable, toolbar);

  gtk_toolbar_append_space (GTK_TOOLBAR (toolbar));
  
  gtk_toolbar_append_item (GTK_TOOLBAR (toolbar),
			   "Borders", "Show Borders", NULL,
			   new_pixmap ("test.xpm", window->window, &window->style->bg[GTK_STATE_NORMAL]),
			   (GtkSignalFunc) set_toolbar_borders, toolbar);
  gtk_toolbar_append_item (GTK_TOOLBAR (toolbar),
			   "Borderless", "Hide Borders", NULL,
			   new_pixmap ("test.xpm", window->window, &window->style->bg[GTK_STATE_NORMAL]),
			   (GtkSignalFunc) set_toolbar_borderless, toolbar);

  return toolbar;
}

/*
 * GtkStatusBar
 */

static guint statusbar_counter = 1;

static void
statusbar_push (GtkWidget *button,
		GtkStatusbar *statusbar)
{
  gchar text[1024];

  sprintf (text, "something %d", statusbar_counter++);

  gtk_statusbar_push (statusbar, 1, text);
}

static void
statusbar_pop (GtkWidget *button,
	       GtkStatusbar *statusbar)
{
  gtk_statusbar_pop (statusbar, 1);
}

static void