src/gtk/win_gtk.c

/* ///////////////////////////////////////////////////////////////////////////
// Name:        win_gtk.c
// Purpose:     native GTK+ widget for wxWindows
// Author:      Robert Roebling
// Id:          $Id$
// Copyright:   (c) 1998 Robert Roebling
// Licence:   	wxWindows licence
/////////////////////////////////////////////////////////////////////////// */

#include "wx/gtk/win_gtk.h"
#include "gtk/gtksignal.h"
#include "gtk/gtknotebook.h"

#ifdef __cplusplus
extern "C" {
#endif /* __cplusplus */

static void gtk_myfixed_class_init    (GtkMyFixedClass    *klass);
static void gtk_myfixed_init          (GtkMyFixed         *myfixed);
static void gtk_myfixed_map           (GtkWidget        *widget);
#if (GTK_MINOR_VERSION == 0)
static void gtk_myfixed_unmap         (GtkWidget        *widget);
#endif
static void gtk_myfixed_realize       (GtkWidget        *widget);
static void gtk_myfixed_size_request  (GtkWidget        *widget,
				     GtkRequisition   *requisition);
static void gtk_myfixed_size_allocate (GtkWidget        *widget,
				     GtkAllocation    *allocation);
static void gtk_myfixed_paint         (GtkWidget        *widget,
				     GdkRectangle     *area);
static void gtk_myfixed_draw          (GtkWidget        *widget,
				     GdkRectangle     *area);
static gint gtk_myfixed_expose        (GtkWidget        *widget,
				     GdkEventExpose   *event);
static void gtk_myfixed_add           (GtkContainer     *container,
				     GtkWidget        *widget);
static void gtk_myfixed_remove        (GtkContainer     *container,
				     GtkWidget        *widget);
static void gtk_myfixed_foreach       (GtkContainer     *container,
#if (GTK_MINOR_VERSION > 0)
				     gboolean	      include_internals,
#endif
				     GtkCallback      callback,
				     gpointer         callback_data);
#if (GTK_MINOR_VERSION > 0)
static GtkType gtk_myfixed_child_type (GtkContainer     *container);
#endif

#if (GTK_MINOR_VERSION > 0)
static void  gtk_myfixed_scroll_set_adjustments    (GtkMyFixed   *myfixed,
					       GtkAdjustment *hadj,
					       GtkAdjustment *vadj);
#endif


static GtkContainerClass *parent_class = NULL;

guint
gtk_myfixed_get_type ()
{
  static guint myfixed_type = 0;

  if (!myfixed_type)
    {
      GtkTypeInfo myfixed_info =
      {
	"GtkMyFixed",
	sizeof (GtkMyFixed),
	sizeof (GtkMyFixedClass),
	(GtkClassInitFunc) gtk_myfixed_class_init,
	(GtkObjectInitFunc) gtk_myfixed_init,
#if (GTK_MINOR_VERSION > 0)
	/* reserved_1 */ NULL,
        /* reserved_2 */ NULL,
        (GtkClassInitFunc) NULL,
#else
        (GtkArgSetFunc) NULL,
        (GtkArgGetFunc) NULL,
#endif
      };

      myfixed_type = gtk_type_unique (gtk_container_get_type (), &myfixed_info);
    }

  return myfixed_type;
}

static void
gtk_myfixed_class_init (GtkMyFixedClass *klass)
{
  GtkObjectClass *object_class;
  GtkWidgetClass *widget_class;
  GtkContainerClass *container_class;

  object_class = (GtkObjectClass*) klass;
  widget_class = (GtkWidgetClass*) klass;
  container_class = (GtkContainerClass*) klass;

#if (GTK_MINOR_VERSION > 0)
  parent_class = gtk_type_class (GTK_TYPE_CONTAINER);
#else
  parent_class = gtk_type_class (gtk_container_get_type ());
#endif

  widget_class->map = gtk_myfixed_map;
#if (GTK_MINOR_VERSION == 0)
  widget_class->unmap = gtk_myfixed_unmap;
#endif
  widget_class->realize = gtk_myfixed_realize;
  widget_class->size_request = gtk_myfixed_size_request;
  widget_class->size_allocate = gtk_myfixed_size_allocate;
  widget_class->draw = gtk_myfixed_draw;
  widget_class->expose_event = gtk_myfixed_expose;

  container_class->add = gtk_myfixed_add;
  container_class->remove = gtk_myfixed_remove;
#if (GTK_MINOR_VERSION > 0)
  container_class->forall = gtk_myfixed_foreach;
#else
  container_class->foreach = gtk_myfixed_foreach;
#endif

#if (GTK_MINOR_VERSION > 0)
  container_class->child_type = gtk_myfixed_child_type;
#endif

#if (GTK_MINOR_VERSION > 0)
  klass->set_scroll_adjustments = gtk_myfixed_scroll_set_adjustments;

  widget_class->set_scroll_adjustments_signal =
    gtk_signal_new ("set_scroll_adjustments",
		    GTK_RUN_LAST,
		    object_class->type,
		    GTK_SIGNAL_OFFSET (GtkMyFixedClass, set_scroll_adjustments),
		    gtk_marshal_NONE__POINTER_POINTER,
		    GTK_TYPE_NONE, 2, GTK_TYPE_ADJUSTMENT, GTK_TYPE_ADJUSTMENT);
#endif
}

#if (GTK_MINOR_VERSION > 0)
static GtkType
gtk_myfixed_child_type (GtkContainer     *container)
{
  return GTK_TYPE_WIDGET;
}
#endif

static void
gtk_myfixed_init (GtkMyFixed *myfixed)
{
  GTK_WIDGET_UNSET_FLAGS (myfixed, GTK_NO_WINDOW);

#if (GTK_MINOR_VERSION == 0)
  GTK_WIDGET_SET_FLAGS (myfixed, GTK_BASIC);
#endif

#if (GTK_MINOR_VERSION > 0)
  myfixed->shadow_type = GTK_SHADOW_NONE;
#endif

  myfixed->children = NULL;
}

GtkWidget*
gtk_myfixed_new ()
{
  GtkMyFixed *myfixed;

  myfixed = gtk_type_new (gtk_myfixed_get_type ());

  return GTK_WIDGET (myfixed);
}

#if (GTK_MINOR_VERSION > 0)
void  gtk_myfixed_scroll_set_adjustments (GtkMyFixed     *myfixed,
					       GtkAdjustment *hadj,
					       GtkAdjustment *vadj)
{
   /* OK, this is embarassing, but this function has to be here */
}

void
gtk_myfixed_set_shadow_type (GtkMyFixed   *myfixed,
			      GtkShadowType  type)
{
  g_return_if_fail (myfixed != NULL);
  g_return_if_fail (GTK_IS_MYFIXED (myfixed));

  if ((GtkShadowType) myfixed->shadow_type != type)
    {
      myfixed->shadow_type = type;

      if (GTK_WIDGET_VISIBLE (myfixed))
	{
	  gtk_widget_size_allocate (GTK_WIDGET (myfixed), &(GTK_WIDGET (myfixed)->allocation));
	  gtk_widget_queue_draw (GTK_WIDGET (myfixed));
	}
    }
}
#endif

void
gtk_myfixed_put (GtkMyFixed   *myfixed,
                 GtkWidget      *widget,
                 gint16         x,
                 gint16         y,
	         gint16         width,
	         gint16         height)
{
  GtkMyFixedChild *child_info;

  g_return_if_fail (myfixed != NULL);
  g_return_if_fail (GTK_IS_MYFIXED (myfixed));
  g_return_if_fail (widget != NULL);

  child_info = g_new (GtkMyFixedChild, 1);
  child_info->widget = widget;
  child_info->x = x;
  child_info->y = y;
  child_info->width = width;
  child_info->height = height;

  gtk_widget_set_parent (widget, GTK_WIDGET (myfixed));

  myfixed->children = g_list_append (myfixed->children, child_info);

  if (GTK_WIDGET_REALIZED (myfixed))
    gtk_widget_realize (widget);

  if (GTK_WIDGET_VISIBLE (myfixed) && GTK_WIDGET_VISIBLE (widget))
    {
      if (GTK_WIDGET_MAPPED (myfixed))
	gtk_widget_map (widget);

      gtk_widget_queue_resize (GTK_WIDGET (myfixed));
    }
}

void
gtk_myfixed_move (GtkMyFixed     *myfixed,
                  GtkWidget      *widget,
                  gint16         x,
                  gint16         y)
{
  GtkMyFixedChild *child;
  GList *children;

  g_return_if_fail (myfixed != NULL);
  g_return_if_fail (GTK_IS_MYFIXED (myfixed));
  g_return_if_fail (widget != NULL);

  children = myfixed->children;
  while (children)
    {
      child = children->data;
      children = children->next;

      if (child->widget == widget)
        {
           gtk_myfixed_set_size( myfixed, widget, x, y, child->width, child->height );
	   break;
	}
    }
}

void
gtk_myfixed_resize (GtkMyFixed     *myfixed,
                    GtkWidget      *widget,
		    gint16         width,
		    gint16         height)
{
  GtkMyFixedChild *child;
  GList *children;

  g_return_if_fail (myfixed != NULL);
  g_return_if_fail (GTK_IS_MYFIXED (myfixed));
  g_return_if_fail (widget != NULL);

  children = myfixed->children;
  while (children)
    {
      child = children->data;
      children = children->next;

      if (child->widget == widget)
        {
           gtk_myfixed_set_size( myfixed, widget, child->x, child->y, width, height );
	   break;
	}
    }
}

void
gtk_myfixed_set_size (GtkMyFixed     *myfixed,
                      GtkWidget      *widget,
                      gint16         x,
                      gint16         y,
		      gint16         width,
		      gint16         height)
{
  GtkMyFixedChild *child;
  GList *children;
  GtkAllocation child_allocation;

  g_return_if_fail (myfixed != NULL);
  g_return_if_fail (GTK_IS_MYFIXED (myfixed));
  g_return_if_fail (widget != NULL);

  children = myfixed->children;
  while (children)
    {
      child = children->data;
      children = children->next;

      if (child->widget == widget)
        {
	  if ((child->x == x) &&
	      (child->y == y) &&
	      (child->width == width) &&
	      (child->height == height)) return;

          child->x = x;
          child->y = y;
          child->width = width;
          child->height = height;

          if (GTK_WIDGET_VISIBLE (widget) && GTK_WIDGET_VISIBLE (myfixed))
	  {
             if ((child->width > 1) && (child->height > 1) && (GTK_WIDGET_REALIZED(widget)))
	     {
                child_allocation.x = child->x;
                child_allocation.y = child->y;
                child_allocation.width = child->width;
                child_allocation.height = child->height;
                gtk_widget_size_allocate (widget, &child_allocation);
             }
	     else
	     {
                gtk_widget_queue_resize (GTK_WIDGET (myfixed));
	     }
	  }

          break;
        }
    }
}

static void
gtk_myfixed_map (GtkWidget *widget)
{
  GtkMyFixed *myfixed;
  GtkMyFixedChild *child;
  GList *children;

  g_return_if_fail (widget != NULL);
  g_return_if_fail (GTK_IS_MYFIXED (widget));

  GTK_WIDGET_SET_FLAGS (widget, GTK_MAPPED);
  myfixed = GTK_MYFIXED (widget);

  gdk_window_show (widget->window);

  children = myfixed->children;
  while (children)
    {
      child = children->data;
      children = children->next;

      if (GTK_WIDGET_VISIBLE (child->widget) &&
	  !GTK_WIDGET_MAPPED (child->widget))
	gtk_widget_map (child->widget);
    }
}

#if (GTK_MINOR_VERSION == 0)
static void
gtk_myfixed_unmap (GtkWidget *widget)
{
  g_return_if_fail (widget != NULL);
  g_return_if_fail (GTK_IS_MYFIXED (widget));

  GTK_WIDGET_UNSET_FLAGS (widget, GTK_MAPPED);
}
#endif

static void
gtk_myfixed_realize (GtkWidget *widget)
{
  GtkMyFixed *myfixed;
  GdkWindowAttr attributes;
  gint attributes_mask;

  g_return_if_fail (widget != NULL);
  g_return_if_fail (GTK_IS_MYFIXED (widget));

  myfixed = GTK_MYFIXED (widget);

  GTK_WIDGET_SET_FLAGS (widget, GTK_REALIZED);

  attributes.window_type = GDK_WINDOW_CHILD;

#if (GTK_MINOR_VERSION > 0)
  attributes.x = widget->allocation.x;
  attributes.y = widget->allocation.y;
  attributes.width = widget->allocation.width;
  attributes.height = widget->allocation.height;

  if (myfixed->shadow_type != GTK_SHADOW_NONE)
  {
      attributes.x += 2;
      attributes.y += 2;
      attributes.width -= 4;
      attributes.height -= 4;
  }

  if (attributes.width < 2) attributes.width = 2;
  if (attributes.height < 2) attributes.height = 2;
#else
  attributes.x = widget->allocation.x;
  attributes.y = widget->allocation.y;
  attributes.width = 32000;
  attributes.height = 32000;
#endif
  attributes.wclass = GDK_INPUT_OUTPUT;
  attributes.visual = gtk_widget_get_visual (widget);
  attributes.colormap = gtk_widget_get_colormap (widget);
  attributes.event_mask = gtk_widget_get_events (widget);
  attributes.event_mask |=
  GDK_EXPOSURE_MASK	|
  GDK_POINTER_MOTION_MASK	|
  GDK_POINTER_MOTION_HINT_MASK  |
  GDK_BUTTON_MOTION_MASK	|
  GDK_BUTTON1_MOTION_MASK	|
  GDK_BUTTON2_MOTION_MASK	|
  GDK_BUTTON3_MOTION_MASK	|
  GDK_BUTTON_PRESS_MASK		|
  GDK_BUTTON_RELEASE_MASK	|
  GDK_KEY_PRESS_MASK		|
  GDK_KEY_RELEASE_MASK		|
  GDK_ENTER_NOTIFY_MASK		|
  GDK_LEAVE_NOTIFY_MASK		|
  GDK_FOCUS_CHANGE_MASK;

  attributes_mask = GDK_WA_X | GDK_WA_Y | GDK_WA_VISUAL | GDK_WA_COLORMAP;

  widget->window = gdk_window_new (gtk_widget_get_parent_window (widget), &attributes,
				   attributes_mask);
  gdk_window_set_user_data (widget->window, widget);

  widget->style = gtk_style_attach (widget->style, widget->window);
  gtk_style_set_background (widget->style, widget->window, GTK_STATE_NORMAL);
}

static void
gtk_myfixed_size_request (GtkWidget      *widget,
			GtkRequisition *requisition)
{
  GtkMyFixed *myfixed;
  GtkMyFixedChild *child;
  GList *children;

  g_return_if_fail (widget != NULL);
  g_return_if_fail (GTK_IS_MYFIXED (widget));
  g_return_if_fail (requisition != NULL);

  myfixed = GTK_MYFIXED (widget);

  /* request very little, I'm not sure if requesting nothing
     will always have positive effects on stability... */
  requisition->width = 2;
  requisition->height = 2;

  children = myfixed->children;
  while (children)
    {
      child = children->data;
      children = children->next;

      if (GTK_WIDGET_VISIBLE (child->widget))
	{
          gtk_widget_size_request (child->widget, &child->widget->requisition);
	}
    }
}

static void
gtk_myfixed_size_allocate (GtkWidget     *widget,
			   GtkAllocation *allocation)
{
  GtkMyFixed *myfixed;
  gint border;
  GtkMyFixedChild *child;
  GtkAllocation child_allocation;
  GList *children;

  g_return_if_fail (widget != NULL);
  g_return_if_fail (GTK_IS_MYFIXED(widget));
  g_return_if_fail (allocation != NULL);

  myfixed = GTK_MYFIXED (widget);

    widget->allocation = *allocation;
#if (GTK_MINOR_VERSION > 0)
  if (myfixed->shadow_type == GTK_SHADOW_NONE)
    border = 0;
  else
    border = 2;
#else
  border = 0;
#endif

  if (GTK_WIDGET_REALIZED (widget))
  {
    gdk_window_move_resize( widget->window,
                            allocation->x+border, allocation->y+border,
#if (GTK_MINOR_VERSION > 0)
			    allocation->width-border*2, allocation->height-border*2
#else
			    32000, 32000
#endif
                           );
  }

  children = myfixed->children;
  while (children)
    {
      child = children->data;
      children = children->next;

      /* please look at the text in wxWindow::DoSetSize() on why the
         test GTK_WIDGET_REALIZED() has to be here */
      if (GTK_WIDGET_VISIBLE (child->widget) &&
         !(!GTK_WIDGET_REALIZED(child->widget) &&
	    GTK_IS_NOTEBOOK(child->widget) ))
	{
	  child_allocation.x = child->x;
	  child_allocation.y = child->y;
	  child_allocation.width = child->width;
	  child_allocation.height = child->height;
	  gtk_widget_size_allocate (child->widget, &child_allocation);
	}
    }
}

static void
gtk_myfixed_paint (GtkWidget    *widget,
		   GdkRectangle *area)
{
  g_return_if_fail (widget != NULL);
  g_return_if_fail (GTK_IS_MYFIXED (widget));
  g_return_if_fail (area != NULL);

  if (GTK_WIDGET_DRAWABLE (widget))
      gdk_window_clear_area (widget->window,
			     area->x, area->y,
			     area->width, area->height);
}

static void
gtk_myfixed_draw (GtkWidget    *widget,
		  GdkRectangle *area)
{
  GtkMyFixed *myfixed;
  GtkMyFixedChild *child;
  GdkRectangle child_area;
  GList *children;

  g_return_if_fail (widget != NULL);
  g_return_if_fail (GTK_IS_MYFIXED (widget));

  if (GTK_WIDGET_DRAWABLE (widget))
    {
      myfixed = GTK_MYFIXED (widget);
      gtk_myfixed_paint (widget, area);

      children = myfixed->children;
      while (children)
	{
	  child = children->data;
	  children = children->next;

	  if (gtk_widget_intersect (child->widget, area, &child_area))
	    gtk_widget_draw (child->widget, &child_area);
	}
    }
}

static gint
gtk_myfixed_expose (GtkWidget      *widget,
		    GdkEventExpose *event)
{
  GtkMyFixed *myfixed;
  GtkMyFixedChild *child;
  GdkEventExpose child_event;
  GList *children;

  g_return_val_if_fail (widget != NULL, FALSE);
  g_return_val_if_fail (GTK_IS_MYFIXED (widget), FALSE);
  g_return_val_if_fail (event != NULL, FALSE);

  if (GTK_WIDGET_DRAWABLE (widget))
    {
      myfixed = GTK_MYFIXED (widget);

      child_event = *event;

      children = myfixed->children;
      while (children)
	{
	  child = children->data;
	  children = children->next;

	  if (GTK_WIDGET_NO_WINDOW (child->widget) &&
	      gtk_widget_intersect (child->widget, &event->area,
				    &child_event.area))
	    gtk_widget_event (child->widget, (GdkEvent*) &child_event);
	}
    }

  return FALSE;
}

static void
gtk_myfixed_add (GtkContainer *container,
	       GtkWidget    *widget)
{
  g_return_if_fail (container != NULL);
  g_return_if_fail (GTK_IS_MYFIXED (container));
  g_return_if_fail (widget != NULL);

  gtk_myfixed_put (GTK_MYFIXED (container), widget, 0, 0, 20, 20 );
}

static void
gtk_myfixed_remove (GtkContainer *container,
		  GtkWidget    *widget)
{
  GtkMyFixed *myfixed;
  GtkMyFixedChild *child;
  GList *children;

  g_return_if_fail (container != NULL);
  g_return_if_fail (GTK_IS_MYFIXED (container));
  g_return_if_fail (widget != NULL);

  myfixed = GTK_MYFIXED (container);

  children = myfixed->children;
  while (children)
    {
      child = children->data;

      if (child->widget == widget)
	{
	  gtk_widget_unparent (widget);

	  myfixed->children = g_list_remove_link (myfixed->children, children);
	  g_list_free (children);
	  g_free (child);

	  if (GTK_WIDGET_VISIBLE (widget) && GTK_WIDGET_VISIBLE (container))
	    gtk_widget_queue_resize (GTK_WIDGET (container));

	  break;
	}

      children = children->next;
    }
}

static void
gtk_myfixed_foreach (GtkContainer *container,
#if (GTK_MINOR_VERSION > 0)
		   gboolean	 include_internals,
#endif
		   GtkCallback   callback,
		   gpointer      callback_data)
{
  GtkMyFixed *myfixed;
  GtkMyFixedChild *child;
  GList *children;

  g_return_if_fail (container != NULL);
  g_return_if_fail (GTK_IS_MYFIXED (container));
  g_return_if_fail (callback != NULL);

  myfixed = GTK_MYFIXED (container);

  children = myfixed->children;
  while (children)
    {
      child = children->data;
      children = children->next;

      (* callback) (child->widget, callback_data);
    }
}


#ifdef __cplusplus
}
#endif /* __cplusplus */
Commit	Line	Data
	1	/* ///////////////////////////////////////////////////////////////////////////
	2	// Name: win_gtk.c
	3	// Purpose: native GTK+ widget for wxWindows
	4	// Author: Robert Roebling
	5	// Id: $Id$
	6	// Copyright: (c) 1998 Robert Roebling
	7	// Licence: wxWindows licence
	8	/////////////////////////////////////////////////////////////////////////// */
	9
	10	#include "wx/gtk/win_gtk.h"
	11	#include "gtk/gtksignal.h"
	12	#include "gtk/gtknotebook.h"
	13
	14	#ifdef __cplusplus
	15	extern "C" {
	16	#endif /* __cplusplus */
	17
	18	static void gtk_myfixed_class_init (GtkMyFixedClass *klass);
	19	static void gtk_myfixed_init (GtkMyFixed *myfixed);
	20	static void gtk_myfixed_map (GtkWidget *widget);
	21	#if (GTK_MINOR_VERSION == 0)
	22	static void gtk_myfixed_unmap (GtkWidget *widget);
	23	#endif
	24	static void gtk_myfixed_realize (GtkWidget *widget);
	25	static void gtk_myfixed_size_request (GtkWidget *widget,
	26	GtkRequisition *requisition);
	27	static void gtk_myfixed_size_allocate (GtkWidget *widget,
	28	GtkAllocation *allocation);
	29	static void gtk_myfixed_paint (GtkWidget *widget,
	30	GdkRectangle *area);
	31	static void gtk_myfixed_draw (GtkWidget *widget,
	32	GdkRectangle *area);
	33	static gint gtk_myfixed_expose (GtkWidget *widget,
	34	GdkEventExpose *event);
	35	static void gtk_myfixed_add (GtkContainer *container,
	36	GtkWidget *widget);
	37	static void gtk_myfixed_remove (GtkContainer *container,
	38	GtkWidget *widget);
	39	static void gtk_myfixed_foreach (GtkContainer *container,
	40	#if (GTK_MINOR_VERSION > 0)
	41	gboolean include_internals,
	42	#endif
	43	GtkCallback callback,
	44	gpointer callback_data);
	45	#if (GTK_MINOR_VERSION > 0)
	46	static GtkType gtk_myfixed_child_type (GtkContainer *container);
	47	#endif
	48
	49	#if (GTK_MINOR_VERSION > 0)
	50	static void gtk_myfixed_scroll_set_adjustments (GtkMyFixed *myfixed,
	51	GtkAdjustment *hadj,
	52	GtkAdjustment *vadj);
	53	#endif
	54
	55
	56
	57	static GtkContainerClass *parent_class = NULL;
	58
	59	guint
	60	gtk_myfixed_get_type ()
	61	{
	62	static guint myfixed_type = 0;
	63
	64	if (!myfixed_type)
	65	{
	66	GtkTypeInfo myfixed_info =
	67	{
	68	"GtkMyFixed",
	69	sizeof (GtkMyFixed),
	70	sizeof (GtkMyFixedClass),
	71	(GtkClassInitFunc) gtk_myfixed_class_init,
	72	(GtkObjectInitFunc) gtk_myfixed_init,
	73	#if (GTK_MINOR_VERSION > 0)
	74	/* reserved_1 */ NULL,
	75	/* reserved_2 */ NULL,
	76	(GtkClassInitFunc) NULL,
	77	#else
	78	(GtkArgSetFunc) NULL,
	79	(GtkArgGetFunc) NULL,
	80	#endif
	81	};
	82
	83	myfixed_type = gtk_type_unique (gtk_container_get_type (), &myfixed_info);
	84	}
	85
	86	return myfixed_type;
	87	}
	88
	89	static void
	90	gtk_myfixed_class_init (GtkMyFixedClass *klass)
	91	{
	92	GtkObjectClass *object_class;
	93	GtkWidgetClass *widget_class;
	94	GtkContainerClass *container_class;
	95
	96	object_class = (GtkObjectClass*) klass;
	97	widget_class = (GtkWidgetClass*) klass;
	98	container_class = (GtkContainerClass*) klass;
	99
	100	#if (GTK_MINOR_VERSION > 0)
	101	parent_class = gtk_type_class (GTK_TYPE_CONTAINER);
	102	#else
	103	parent_class = gtk_type_class (gtk_container_get_type ());
	104	#endif
	105
	106	widget_class->map = gtk_myfixed_map;
	107	#if (GTK_MINOR_VERSION == 0)
	108	widget_class->unmap = gtk_myfixed_unmap;
	109	#endif
	110	widget_class->realize = gtk_myfixed_realize;
	111	widget_class->size_request = gtk_myfixed_size_request;
	112	widget_class->size_allocate = gtk_myfixed_size_allocate;
	113	widget_class->draw = gtk_myfixed_draw;
	114	widget_class->expose_event = gtk_myfixed_expose;
	115
	116	container_class->add = gtk_myfixed_add;
	117	container_class->remove = gtk_myfixed_remove;
	118	#if (GTK_MINOR_VERSION > 0)
	119	container_class->forall = gtk_myfixed_foreach;
	120	#else
	121	container_class->foreach = gtk_myfixed_foreach;
	122	#endif
	123
	124	#if (GTK_MINOR_VERSION > 0)
	125	container_class->child_type = gtk_myfixed_child_type;
	126	#endif
	127
	128	#if (GTK_MINOR_VERSION > 0)
	129	klass->set_scroll_adjustments = gtk_myfixed_scroll_set_adjustments;
	130
	131	widget_class->set_scroll_adjustments_signal =
	132	gtk_signal_new ("set_scroll_adjustments",
	133	GTK_RUN_LAST,
	134	object_class->type,
	135	GTK_SIGNAL_OFFSET (GtkMyFixedClass, set_scroll_adjustments),
	136	gtk_marshal_NONE__POINTER_POINTER,
	137	GTK_TYPE_NONE, 2, GTK_TYPE_ADJUSTMENT, GTK_TYPE_ADJUSTMENT);
	138	#endif
	139	}
	140
	141	#if (GTK_MINOR_VERSION > 0)
	142	static GtkType
	143	gtk_myfixed_child_type (GtkContainer *container)
	144	{
	145	return GTK_TYPE_WIDGET;
	146	}
	147	#endif
	148
	149	static void
	150	gtk_myfixed_init (GtkMyFixed *myfixed)
	151	{
	152	GTK_WIDGET_UNSET_FLAGS (myfixed, GTK_NO_WINDOW);
	153
	154	#if (GTK_MINOR_VERSION == 0)
	155	GTK_WIDGET_SET_FLAGS (myfixed, GTK_BASIC);
	156	#endif
	157
	158	#if (GTK_MINOR_VERSION > 0)
	159	myfixed->shadow_type = GTK_SHADOW_NONE;
	160	#endif
	161
	162	myfixed->children = NULL;
	163	}
	164
	165	GtkWidget*
	166	gtk_myfixed_new ()
	167	{
	168	GtkMyFixed *myfixed;
	169
	170	myfixed = gtk_type_new (gtk_myfixed_get_type ());
	171
	172	return GTK_WIDGET (myfixed);
	173	}
	174
	175	#if (GTK_MINOR_VERSION > 0)
	176	void gtk_myfixed_scroll_set_adjustments (GtkMyFixed *myfixed,
	177	GtkAdjustment *hadj,
	178	GtkAdjustment *vadj)
	179	{
	180	/* OK, this is embarassing, but this function has to be here */
	181	}
	182
	183	void
	184	gtk_myfixed_set_shadow_type (GtkMyFixed *myfixed,
	185	GtkShadowType type)
	186	{
	187	g_return_if_fail (myfixed != NULL);
	188	g_return_if_fail (GTK_IS_MYFIXED (myfixed));
	189
	190	if ((GtkShadowType) myfixed->shadow_type != type)
	191	{
	192	myfixed->shadow_type = type;
	193
	194	if (GTK_WIDGET_VISIBLE (myfixed))
	195	{
	196	gtk_widget_size_allocate (GTK_WIDGET (myfixed), &(GTK_WIDGET (myfixed)->allocation));
	197	gtk_widget_queue_draw (GTK_WIDGET (myfixed));
	198	}
	199	}
	200	}
	201	#endif
	202
	203	void
	204	gtk_myfixed_put (GtkMyFixed *myfixed,
	205	GtkWidget *widget,
	206	gint16 x,
	207	gint16 y,
	208	gint16 width,
	209	gint16 height)
	210	{
	211	GtkMyFixedChild *child_info;
	212
	213	g_return_if_fail (myfixed != NULL);
	214	g_return_if_fail (GTK_IS_MYFIXED (myfixed));
	215	g_return_if_fail (widget != NULL);
	216
	217	child_info = g_new (GtkMyFixedChild, 1);
	218	child_info->widget = widget;
	219	child_info->x = x;
	220	child_info->y = y;
	221	child_info->width = width;
	222	child_info->height = height;
	223
	224	gtk_widget_set_parent (widget, GTK_WIDGET (myfixed));
	225
	226	myfixed->children = g_list_append (myfixed->children, child_info);
	227
	228	if (GTK_WIDGET_REALIZED (myfixed))
	229	gtk_widget_realize (widget);
	230
	231	if (GTK_WIDGET_VISIBLE (myfixed) && GTK_WIDGET_VISIBLE (widget))
	232	{
	233	if (GTK_WIDGET_MAPPED (myfixed))
	234	gtk_widget_map (widget);
	235
	236	gtk_widget_queue_resize (GTK_WIDGET (myfixed));
	237	}
	238	}
	239
	240	void
	241	gtk_myfixed_move (GtkMyFixed *myfixed,
	242	GtkWidget *widget,
	243	gint16 x,
	244	gint16 y)
	245	{
	246	GtkMyFixedChild *child;
	247	GList *children;
	248
	249	g_return_if_fail (myfixed != NULL);
	250	g_return_if_fail (GTK_IS_MYFIXED (myfixed));
	251	g_return_if_fail (widget != NULL);
	252
	253	children = myfixed->children;
	254	while (children)
	255	{
	256	child = children->data;
	257	children = children->next;
	258
	259	if (child->widget == widget)
	260	{
	261	gtk_myfixed_set_size( myfixed, widget, x, y, child->width, child->height );
	262	break;
	263	}
	264	}
	265	}
	266
	267	void
	268	gtk_myfixed_resize (GtkMyFixed *myfixed,
	269	GtkWidget *widget,
	270	gint16 width,
	271	gint16 height)
	272	{
	273	GtkMyFixedChild *child;
	274	GList *children;
	275
	276	g_return_if_fail (myfixed != NULL);
	277	g_return_if_fail (GTK_IS_MYFIXED (myfixed));
	278	g_return_if_fail (widget != NULL);
	279
	280	children = myfixed->children;
	281	while (children)
	282	{
	283	child = children->data;
	284	children = children->next;
	285
	286	if (child->widget == widget)
	287	{
	288	gtk_myfixed_set_size( myfixed, widget, child->x, child->y, width, height );
	289	break;
	290	}
	291	}
	292	}
	293
	294	void
	295	gtk_myfixed_set_size (GtkMyFixed *myfixed,
	296	GtkWidget *widget,
	297	gint16 x,
	298	gint16 y,
	299	gint16 width,
	300	gint16 height)
	301	{
	302	GtkMyFixedChild *child;
	303	GList *children;
	304	GtkAllocation child_allocation;
	305
	306	g_return_if_fail (myfixed != NULL);
	307	g_return_if_fail (GTK_IS_MYFIXED (myfixed));
	308	g_return_if_fail (widget != NULL);
	309
	310	children = myfixed->children;
	311	while (children)
	312	{
	313	child = children->data;
	314	children = children->next;
	315
	316	if (child->widget == widget)
	317	{
	318	if ((child->x == x) &&
	319	(child->y == y) &&
	320	(child->width == width) &&
	321	(child->height == height)) return;
	322
	323	child->x = x;
	324	child->y = y;
	325	child->width = width;
	326	child->height = height;
	327
	328	if (GTK_WIDGET_VISIBLE (widget) && GTK_WIDGET_VISIBLE (myfixed))
	329	{
	330	if ((child->width > 1) && (child->height > 1) && (GTK_WIDGET_REALIZED(widget)))
	331	{
	332	child_allocation.x = child->x;
	333	child_allocation.y = child->y;
	334	child_allocation.width = child->width;
	335	child_allocation.height = child->height;
	336	gtk_widget_size_allocate (widget, &child_allocation);
	337	}
	338	else
	339	{
	340	gtk_widget_queue_resize (GTK_WIDGET (myfixed));
	341	}
	342	}
	343
	344	break;
	345	}
	346	}
	347	}
	348
	349	static void
	350	gtk_myfixed_map (GtkWidget *widget)
	351	{
	352	GtkMyFixed *myfixed;
	353	GtkMyFixedChild *child;
	354	GList *children;
	355
	356	g_return_if_fail (widget != NULL);
	357	g_return_if_fail (GTK_IS_MYFIXED (widget));
	358
	359	GTK_WIDGET_SET_FLAGS (widget, GTK_MAPPED);
	360	myfixed = GTK_MYFIXED (widget);
	361
	362	gdk_window_show (widget->window);
	363
	364	children = myfixed->children;
	365	while (children)
	366	{
	367	child = children->data;
	368	children = children->next;
	369
	370	if (GTK_WIDGET_VISIBLE (child->widget) &&
	371	!GTK_WIDGET_MAPPED (child->widget))
	372	gtk_widget_map (child->widget);
	373	}
	374	}
	375
	376	#if (GTK_MINOR_VERSION == 0)
	377	static void
	378	gtk_myfixed_unmap (GtkWidget *widget)
	379	{
	380	g_return_if_fail (widget != NULL);
	381	g_return_if_fail (GTK_IS_MYFIXED (widget));
	382
	383	GTK_WIDGET_UNSET_FLAGS (widget, GTK_MAPPED);
	384	}
	385	#endif
	386
	387	static void
	388	gtk_myfixed_realize (GtkWidget *widget)
	389	{
	390	GtkMyFixed *myfixed;
	391	GdkWindowAttr attributes;
	392	gint attributes_mask;
	393
	394	g_return_if_fail (widget != NULL);
	395	g_return_if_fail (GTK_IS_MYFIXED (widget));
	396
	397	myfixed = GTK_MYFIXED (widget);
	398
	399	GTK_WIDGET_SET_FLAGS (widget, GTK_REALIZED);
	400
	401	attributes.window_type = GDK_WINDOW_CHILD;
	402
	403	#if (GTK_MINOR_VERSION > 0)
	404	attributes.x = widget->allocation.x;
	405	attributes.y = widget->allocation.y;
	406	attributes.width = widget->allocation.width;
	407	attributes.height = widget->allocation.height;
	408
	409	if (myfixed->shadow_type != GTK_SHADOW_NONE)
	410	{
	411	attributes.x += 2;
	412	attributes.y += 2;
	413	attributes.width -= 4;
	414	attributes.height -= 4;
	415	}
	416
	417	if (attributes.width < 2) attributes.width = 2;
	418	if (attributes.height < 2) attributes.height = 2;
	419	#else
	420	attributes.x = widget->allocation.x;
	421	attributes.y = widget->allocation.y;
	422	attributes.width = 32000;
	423	attributes.height = 32000;
	424	#endif
	425	attributes.wclass = GDK_INPUT_OUTPUT;
	426	attributes.visual = gtk_widget_get_visual (widget);
	427	attributes.colormap = gtk_widget_get_colormap (widget);
	428	attributes.event_mask = gtk_widget_get_events (widget);
	429	attributes.event_mask \|=
	430	GDK_EXPOSURE_MASK \|
	431	GDK_POINTER_MOTION_MASK \|
	432	GDK_POINTER_MOTION_HINT_MASK \|
	433	GDK_BUTTON_MOTION_MASK \|
	434	GDK_BUTTON1_MOTION_MASK \|
	435	GDK_BUTTON2_MOTION_MASK \|
	436	GDK_BUTTON3_MOTION_MASK \|
	437	GDK_BUTTON_PRESS_MASK \|
	438	GDK_BUTTON_RELEASE_MASK \|
	439	GDK_KEY_PRESS_MASK \|
	440	GDK_KEY_RELEASE_MASK \|
	441	GDK_ENTER_NOTIFY_MASK \|
	442	GDK_LEAVE_NOTIFY_MASK \|
	443	GDK_FOCUS_CHANGE_MASK;
	444
	445	attributes_mask = GDK_WA_X \| GDK_WA_Y \| GDK_WA_VISUAL \| GDK_WA_COLORMAP;
	446
	447	widget->window = gdk_window_new (gtk_widget_get_parent_window (widget), &attributes,
	448	attributes_mask);
	449	gdk_window_set_user_data (widget->window, widget);
	450
	451	widget->style = gtk_style_attach (widget->style, widget->window);
	452	gtk_style_set_background (widget->style, widget->window, GTK_STATE_NORMAL);
	453	}
	454
	455	static void
	456	gtk_myfixed_size_request (GtkWidget *widget,
	457	GtkRequisition *requisition)
	458	{
	459	GtkMyFixed *myfixed;
	460	GtkMyFixedChild *child;
	461	GList *children;
	462
	463	g_return_if_fail (widget != NULL);
	464	g_return_if_fail (GTK_IS_MYFIXED (widget));
	465	g_return_if_fail (requisition != NULL);
	466
	467	myfixed = GTK_MYFIXED (widget);
	468
	469	/* request very little, I'm not sure if requesting nothing
	470	will always have positive effects on stability... */
	471	requisition->width = 2;
	472	requisition->height = 2;
	473
	474	children = myfixed->children;
	475	while (children)
	476	{
	477	child = children->data;
	478	children = children->next;
	479
	480	if (GTK_WIDGET_VISIBLE (child->widget))
	481	{
	482	gtk_widget_size_request (child->widget, &child->widget->requisition);
	483	}
	484	}
	485	}
	486
	487	static void
	488	gtk_myfixed_size_allocate (GtkWidget *widget,
	489	GtkAllocation *allocation)
	490	{
	491	GtkMyFixed *myfixed;
	492	gint border;
	493	GtkMyFixedChild *child;
	494	GtkAllocation child_allocation;
	495	GList *children;
	496
	497	g_return_if_fail (widget != NULL);
	498	g_return_if_fail (GTK_IS_MYFIXED(widget));
	499	g_return_if_fail (allocation != NULL);
	500
	501	myfixed = GTK_MYFIXED (widget);
	502
	503	widget->allocation = *allocation;
	504	#if (GTK_MINOR_VERSION > 0)
	505	if (myfixed->shadow_type == GTK_SHADOW_NONE)
	506	border = 0;
	507	else
	508	border = 2;
	509	#else
	510	border = 0;
	511	#endif
	512
	513	if (GTK_WIDGET_REALIZED (widget))
	514	{
	515	gdk_window_move_resize( widget->window,
	516	allocation->x+border, allocation->y+border,
	517	#if (GTK_MINOR_VERSION > 0)
	518	allocation->width-border2, allocation->height-border2
	519	#else
	520	32000, 32000
	521	#endif
	522	);
	523	}
	524
	525	children = myfixed->children;
	526	while (children)
	527	{
	528	child = children->data;
	529	children = children->next;
	530
	531	/* please look at the text in wxWindow::DoSetSize() on why the
	532	test GTK_WIDGET_REALIZED() has to be here */
	533	if (GTK_WIDGET_VISIBLE (child->widget) &&
	534	!(!GTK_WIDGET_REALIZED(child->widget) &&
	535	GTK_IS_NOTEBOOK(child->widget) ))
	536	{
	537	child_allocation.x = child->x;
	538	child_allocation.y = child->y;
	539	child_allocation.width = child->width;
	540	child_allocation.height = child->height;
	541	gtk_widget_size_allocate (child->widget, &child_allocation);
	542	}
	543	}
	544	}
	545
	546	static void
	547	gtk_myfixed_paint (GtkWidget *widget,
	548	GdkRectangle *area)
	549	{
	550	g_return_if_fail (widget != NULL);
	551	g_return_if_fail (GTK_IS_MYFIXED (widget));
	552	g_return_if_fail (area != NULL);
	553
	554	if (GTK_WIDGET_DRAWABLE (widget))
	555	gdk_window_clear_area (widget->window,
	556	area->x, area->y,
	557	area->width, area->height);
	558	}
	559
	560	static void
	561	gtk_myfixed_draw (GtkWidget *widget,
	562	GdkRectangle *area)
	563	{
	564	GtkMyFixed *myfixed;
	565	GtkMyFixedChild *child;
	566	GdkRectangle child_area;
	567	GList *children;
	568
	569	g_return_if_fail (widget != NULL);
	570	g_return_if_fail (GTK_IS_MYFIXED (widget));
	571
	572	if (GTK_WIDGET_DRAWABLE (widget))
	573	{
	574	myfixed = GTK_MYFIXED (widget);
	575	gtk_myfixed_paint (widget, area);
	576
	577	children = myfixed->children;
	578	while (children)
	579	{
	580	child = children->data;
	581	children = children->next;
	582
	583	if (gtk_widget_intersect (child->widget, area, &child_area))
	584	gtk_widget_draw (child->widget, &child_area);
	585	}
	586	}
	587	}
	588
	589	static gint
	590	gtk_myfixed_expose (GtkWidget *widget,
	591	GdkEventExpose *event)
	592	{
	593	GtkMyFixed *myfixed;
	594	GtkMyFixedChild *child;
	595	GdkEventExpose child_event;
	596	GList *children;
	597
	598	g_return_val_if_fail (widget != NULL, FALSE);
	599	g_return_val_if_fail (GTK_IS_MYFIXED (widget), FALSE);
	600	g_return_val_if_fail (event != NULL, FALSE);
	601
	602	if (GTK_WIDGET_DRAWABLE (widget))
	603	{
	604	myfixed = GTK_MYFIXED (widget);
	605
	606	child_event = *event;
	607
	608	children = myfixed->children;
	609	while (children)
	610	{
	611	child = children->data;
	612	children = children->next;
	613
	614	if (GTK_WIDGET_NO_WINDOW (child->widget) &&
	615	gtk_widget_intersect (child->widget, &event->area,
	616	&child_event.area))
	617	gtk_widget_event (child->widget, (GdkEvent*) &child_event);
	618	}
	619	}
	620
	621	return FALSE;
	622	}
	623
	624	static void
	625	gtk_myfixed_add (GtkContainer *container,
	626	GtkWidget *widget)
	627	{
	628	g_return_if_fail (container != NULL);
	629	g_return_if_fail (GTK_IS_MYFIXED (container));
	630	g_return_if_fail (widget != NULL);
	631
	632	gtk_myfixed_put (GTK_MYFIXED (container), widget, 0, 0, 20, 20 );
	633	}
	634
	635	static void
	636	gtk_myfixed_remove (GtkContainer *container,
	637	GtkWidget *widget)
	638	{
	639	GtkMyFixed *myfixed;
	640	GtkMyFixedChild *child;
	641	GList *children;
	642
	643	g_return_if_fail (container != NULL);
	644	g_return_if_fail (GTK_IS_MYFIXED (container));
	645	g_return_if_fail (widget != NULL);
	646
	647	myfixed = GTK_MYFIXED (container);
	648
	649	children = myfixed->children;
	650	while (children)
	651	{
	652	child = children->data;
	653
	654	if (child->widget == widget)
	655	{
	656	gtk_widget_unparent (widget);
	657
	658	myfixed->children = g_list_remove_link (myfixed->children, children);
	659	g_list_free (children);
	660	g_free (child);
	661
	662	if (GTK_WIDGET_VISIBLE (widget) && GTK_WIDGET_VISIBLE (container))
	663	gtk_widget_queue_resize (GTK_WIDGET (container));
	664
	665	break;
	666	}
	667
	668	children = children->next;
	669	}
	670	}
	671
	672	static void
	673	gtk_myfixed_foreach (GtkContainer *container,
	674	#if (GTK_MINOR_VERSION > 0)
	675	gboolean include_internals,
	676	#endif
	677	GtkCallback callback,
	678	gpointer callback_data)
	679	{
	680	GtkMyFixed *myfixed;
	681	GtkMyFixedChild *child;
	682	GList *children;
	683
	684	g_return_if_fail (container != NULL);
	685	g_return_if_fail (GTK_IS_MYFIXED (container));
	686	g_return_if_fail (callback != NULL);
	687
	688	myfixed = GTK_MYFIXED (container);
	689
	690	children = myfixed->children;
	691	while (children)
	692	{
	693	child = children->data;
	694	children = children->next;
	695
	696	(* callback) (child->widget, callback_data);
	697	}
	698	}
	699
	700
	701	#ifdef __cplusplus
	702	}
	703	#endif /* __cplusplus */
	704