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 = MAX( child->width, 1 );
                    child_allocation.height = MAX( child->height, 1 );

		    /* work around for GTK bug when moving widgets outside
		       the X window -> do NOT move them entirely outside */
		    if (child_allocation.y + child_allocation.height < 0)
		        child_allocation.y = -child_allocation.height;
		    if (child_allocation.x + child_allocation.width < 0)
		        child_allocation.x = -child_allocation.width;

                    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);

    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);
    }

    gdk_window_show (widget->window);
}

#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;
    GtkRequisition child_requisition;

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

    myfixed = GTK_MYFIXED (widget);

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

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

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

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))
        {
/*          if (GTK_IS_NOTEBOOK(child->widget) && !GTK_WIDGET_REALIZED(child->widget))
            {
	        gtk_widget_queue_resize( child->widget );
	    }
	    else */
	    {
	        child_allocation.x = child->x;
	        child_allocation.y = child->y;
                child_allocation.width = MAX( child->width, 1 );
                child_allocation.height = MAX( child->height, 1 );

		/* work around for GTK bug when moving widgets outside
		   the X window -> do NOT move them entirely outside */
		if (child_allocation.y + child_allocation.height < 0)
		    child_allocation.y = -child_allocation.height;
		if (child_allocation.x + child_allocation.width < 0)
		    child_allocation.x = -child_allocation.width;

	        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)
	{
	  gboolean was_visible = GTK_WIDGET_VISIBLE (widget);

	  gtk_widget_unparent (widget);

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

	  if (was_visible && 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	myfixed_type = gtk_type_unique (gtk_container_get_type (), &myfixed_info);
	83	}
	84
	85	return myfixed_type;
	86	}
	87
	88	static void
	89	gtk_myfixed_class_init (GtkMyFixedClass *klass)
	90	{
	91	GtkObjectClass *object_class;
	92	GtkWidgetClass *widget_class;
	93	GtkContainerClass *container_class;
	94
	95	object_class = (GtkObjectClass*) klass;
	96	widget_class = (GtkWidgetClass*) klass;
	97	container_class = (GtkContainerClass*) klass;
	98
	99	#if (GTK_MINOR_VERSION > 0)
	100	parent_class = gtk_type_class (GTK_TYPE_CONTAINER);
	101	#else
	102	parent_class = gtk_type_class (gtk_container_get_type ());
	103	#endif
	104
	105	widget_class->map = gtk_myfixed_map;
	106	#if (GTK_MINOR_VERSION == 0)
	107	widget_class->unmap = gtk_myfixed_unmap;
	108	#endif
	109	widget_class->realize = gtk_myfixed_realize;
	110	widget_class->size_request = gtk_myfixed_size_request;
	111	widget_class->size_allocate = gtk_myfixed_size_allocate;
	112	widget_class->draw = gtk_myfixed_draw;
	113	widget_class->expose_event = gtk_myfixed_expose;
	114
	115	container_class->add = gtk_myfixed_add;
	116	container_class->remove = gtk_myfixed_remove;
	117	#if (GTK_MINOR_VERSION > 0)
	118	container_class->forall = gtk_myfixed_foreach;
	119	#else
	120	container_class->foreach = gtk_myfixed_foreach;
	121	#endif
	122
	123	#if (GTK_MINOR_VERSION > 0)
	124	container_class->child_type = gtk_myfixed_child_type;
	125	#endif
	126
	127	#if (GTK_MINOR_VERSION > 0)
	128	klass->set_scroll_adjustments = gtk_myfixed_scroll_set_adjustments;
	129
	130	widget_class->set_scroll_adjustments_signal =
	131	gtk_signal_new ("set_scroll_adjustments",
	132	GTK_RUN_LAST,
	133	object_class->type,
	134	GTK_SIGNAL_OFFSET (GtkMyFixedClass, set_scroll_adjustments),
	135	gtk_marshal_NONE__POINTER_POINTER,
	136	GTK_TYPE_NONE, 2, GTK_TYPE_ADJUSTMENT, GTK_TYPE_ADJUSTMENT);
	137	#endif
	138	}
	139
	140	#if (GTK_MINOR_VERSION > 0)
	141	static GtkType
	142	gtk_myfixed_child_type (GtkContainer *container)
	143	{
	144	return GTK_TYPE_WIDGET;
	145	}
	146	#endif
	147
	148	static void
	149	gtk_myfixed_init (GtkMyFixed *myfixed)
	150	{
	151	GTK_WIDGET_UNSET_FLAGS (myfixed, GTK_NO_WINDOW);
	152
	153	#if (GTK_MINOR_VERSION == 0)
	154	GTK_WIDGET_SET_FLAGS (myfixed, GTK_BASIC);
	155	#endif
	156
	157	#if (GTK_MINOR_VERSION > 0)
	158	myfixed->shadow_type = GTK_SHADOW_NONE;
	159	#endif
	160
	161	myfixed->children = NULL;
	162	}
	163
	164	GtkWidget*
	165	gtk_myfixed_new ()
	166	{
	167	GtkMyFixed *myfixed;
	168
	169	myfixed = gtk_type_new (gtk_myfixed_get_type ());
	170
	171	return GTK_WIDGET (myfixed);
	172	}
	173
	174	#if (GTK_MINOR_VERSION > 0)
	175	void
	176	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 = MAX( child->width, 1 );
	335	child_allocation.height = MAX( child->height, 1 );
	336
	337	/* work around for GTK bug when moving widgets outside
	338	the X window -> do NOT move them entirely outside */
	339	if (child_allocation.y + child_allocation.height < 0)
	340	child_allocation.y = -child_allocation.height;
	341	if (child_allocation.x + child_allocation.width < 0)
	342	child_allocation.x = -child_allocation.width;
	343
	344	gtk_widget_size_allocate (widget, &child_allocation);
	345	}
	346	else
	347	{
	348	gtk_widget_queue_resize (GTK_WIDGET (myfixed));
	349	}
	350	}
	351	break;
	352	}
	353	}
	354	}
	355
	356	static void
	357	gtk_myfixed_map (GtkWidget *widget)
	358	{
	359	GtkMyFixed *myfixed;
	360	GtkMyFixedChild *child;
	361	GList *children;
	362
	363	g_return_if_fail (widget != NULL);
	364	g_return_if_fail (GTK_IS_MYFIXED (widget));
	365
	366	GTK_WIDGET_SET_FLAGS (widget, GTK_MAPPED);
	367	myfixed = GTK_MYFIXED (widget);
	368
	369	children = myfixed->children;
	370	while (children)
	371	{
	372	child = children->data;
	373	children = children->next;
	374
	375	if (GTK_WIDGET_VISIBLE (child->widget) && !GTK_WIDGET_MAPPED (child->widget))
	376	gtk_widget_map (child->widget);
	377	}
	378
	379	gdk_window_show (widget->window);
	380	}
	381
	382	#if (GTK_MINOR_VERSION == 0)
	383	static void
	384	gtk_myfixed_unmap (GtkWidget *widget)
	385	{
	386	g_return_if_fail (widget != NULL);
	387	g_return_if_fail (GTK_IS_MYFIXED (widget));
	388
	389	GTK_WIDGET_UNSET_FLAGS (widget, GTK_MAPPED);
	390	}
	391	#endif
	392
	393	static void
	394	gtk_myfixed_realize (GtkWidget *widget)
	395	{
	396	GtkMyFixed *myfixed;
	397	GdkWindowAttr attributes;
	398	gint attributes_mask;
	399
	400	g_return_if_fail (widget != NULL);
	401	g_return_if_fail (GTK_IS_MYFIXED (widget));
	402
	403	myfixed = GTK_MYFIXED (widget);
	404
	405	GTK_WIDGET_SET_FLAGS (widget, GTK_REALIZED);
	406
	407	attributes.window_type = GDK_WINDOW_CHILD;
	408
	409	#if (GTK_MINOR_VERSION > 0)
	410	attributes.x = widget->allocation.x;
	411	attributes.y = widget->allocation.y;
	412	attributes.width = widget->allocation.width;
	413	attributes.height = widget->allocation.height;
	414
	415	if (myfixed->shadow_type != GTK_SHADOW_NONE)
	416	{
	417	attributes.x += 2;
	418	attributes.y += 2;
	419	attributes.width -= 4;
	420	attributes.height -= 4;
	421	}
	422
	423	if (attributes.width < 2) attributes.width = 2;
	424	if (attributes.height < 2) attributes.height = 2;
	425	#else
	426	attributes.x = widget->allocation.x;
	427	attributes.y = widget->allocation.y;
	428	attributes.width = 32000;
	429	attributes.height = 32000;
	430	#endif
	431	attributes.wclass = GDK_INPUT_OUTPUT;
	432	attributes.visual = gtk_widget_get_visual (widget);
	433	attributes.colormap = gtk_widget_get_colormap (widget);
	434	attributes.event_mask = gtk_widget_get_events (widget);
	435	attributes.event_mask \|=
	436	GDK_EXPOSURE_MASK \|
	437	GDK_POINTER_MOTION_MASK \|
	438	GDK_POINTER_MOTION_HINT_MASK \|
	439	GDK_BUTTON_MOTION_MASK \|
	440	GDK_BUTTON1_MOTION_MASK \|
	441	GDK_BUTTON2_MOTION_MASK \|
	442	GDK_BUTTON3_MOTION_MASK \|
	443	GDK_BUTTON_PRESS_MASK \|
	444	GDK_BUTTON_RELEASE_MASK \|
	445	GDK_KEY_PRESS_MASK \|
	446	GDK_KEY_RELEASE_MASK \|
	447	GDK_ENTER_NOTIFY_MASK \|
	448	GDK_LEAVE_NOTIFY_MASK \|
	449	GDK_FOCUS_CHANGE_MASK;
	450	attributes_mask = GDK_WA_X \| GDK_WA_Y \| GDK_WA_VISUAL \| GDK_WA_COLORMAP;
	451
	452	widget->window = gdk_window_new( gtk_widget_get_parent_window (widget), &attributes,
	453	attributes_mask);
	454	gdk_window_set_user_data (widget->window, widget);
	455
	456	widget->style = gtk_style_attach (widget->style, widget->window);
	457	gtk_style_set_background (widget->style, widget->window, GTK_STATE_NORMAL);
	458	}
	459
	460	static void
	461	gtk_myfixed_size_request (GtkWidget *widget,
	462	GtkRequisition *requisition)
	463	{
	464	GtkMyFixed *myfixed;
	465	GtkMyFixedChild *child;
	466	GList *children;
	467	GtkRequisition child_requisition;
	468
	469	g_return_if_fail (widget != NULL);
	470	g_return_if_fail (GTK_IS_MYFIXED (widget));
	471	g_return_if_fail (requisition != NULL);
	472
	473	myfixed = GTK_MYFIXED (widget);
	474
	475	children = myfixed->children;
	476	while (children)
	477	{
	478	child = children->data;
	479	children = children->next;
	480
	481	if (GTK_WIDGET_VISIBLE (child->widget))
	482	{
	483	gtk_widget_size_request (child->widget, &child_requisition);
	484	}
	485	}
	486
	487	/* request very little, I'm not sure if requesting nothing
	488	will always have positive effects on stability... */
	489	requisition->width = 2;
	490	requisition->height = 2;
	491	}
	492
	493	static void
	494	gtk_myfixed_size_allocate (GtkWidget *widget,
	495	GtkAllocation *allocation)
	496	{
	497	GtkMyFixed *myfixed;
	498	gint border;
	499	GtkMyFixedChild *child;
	500	GtkAllocation child_allocation;
	501	GList *children;
	502
	503	g_return_if_fail (widget != NULL);
	504	g_return_if_fail (GTK_IS_MYFIXED(widget));
	505	g_return_if_fail (allocation != NULL);
	506
	507	myfixed = GTK_MYFIXED (widget);
	508
	509	widget->allocation = *allocation;
	510	#if (GTK_MINOR_VERSION > 0)
	511	if (myfixed->shadow_type == GTK_SHADOW_NONE)
	512	border = 0;
	513	else
	514	border = 2;
	515	#else
	516	border = 0;
	517	#endif
	518
	519	if (GTK_WIDGET_REALIZED (widget))
	520	{
	521	gdk_window_move_resize( widget->window,
	522	allocation->x+border, allocation->y+border,
	523	#if (GTK_MINOR_VERSION > 0)
	524	allocation->width-border2, allocation->height-border2
	525	#else
	526	32000, 32000
	527	#endif
	528	);
	529	}
	530
	531	children = myfixed->children;
	532	while (children)
	533	{
	534	child = children->data;
	535	children = children->next;
	536
	537	/* please look at the text in wxWindow::DoSetSize() on why the
	538	test GTK_WIDGET_REALIZED() has to be here */
	539	if (GTK_WIDGET_VISIBLE (child->widget))
	540	{
	541	/* if (GTK_IS_NOTEBOOK(child->widget) && !GTK_WIDGET_REALIZED(child->widget))
	542	{
	543	gtk_widget_queue_resize( child->widget );
	544	}
	545	else */
	546	{
	547	child_allocation.x = child->x;
	548	child_allocation.y = child->y;
	549	child_allocation.width = MAX( child->width, 1 );
	550	child_allocation.height = MAX( child->height, 1 );
	551
	552	/* work around for GTK bug when moving widgets outside
	553	the X window -> do NOT move them entirely outside */
	554	if (child_allocation.y + child_allocation.height < 0)
	555	child_allocation.y = -child_allocation.height;
	556	if (child_allocation.x + child_allocation.width < 0)
	557	child_allocation.x = -child_allocation.width;
	558
	559	gtk_widget_size_allocate (child->widget, &child_allocation);
	560	}
	561	}
	562	}
	563	}
	564
	565	static void
	566	gtk_myfixed_paint (GtkWidget *widget,
	567	GdkRectangle *area)
	568	{
	569	g_return_if_fail (widget != NULL);
	570	g_return_if_fail (GTK_IS_MYFIXED (widget));
	571	g_return_if_fail (area != NULL);
	572
	573	if (GTK_WIDGET_DRAWABLE (widget))
	574	gdk_window_clear_area (widget->window,
	575	area->x, area->y,
	576	area->width, area->height);
	577	}
	578
	579	static void
	580	gtk_myfixed_draw (GtkWidget *widget,
	581	GdkRectangle *area)
	582	{
	583	GtkMyFixed *myfixed;
	584	GtkMyFixedChild *child;
	585	GdkRectangle child_area;
	586	GList *children;
	587
	588	g_return_if_fail (widget != NULL);
	589	g_return_if_fail (GTK_IS_MYFIXED (widget));
	590
	591	if (GTK_WIDGET_DRAWABLE (widget))
	592	{
	593	myfixed = GTK_MYFIXED (widget);
	594	gtk_myfixed_paint (widget, area);
	595
	596	children = myfixed->children;
	597	while (children)
	598	{
	599	child = children->data;
	600	children = children->next;
	601
	602	if (gtk_widget_intersect (child->widget, area, &child_area))
	603	gtk_widget_draw (child->widget, &child_area);
	604	}
	605	}
	606	}
	607
	608	static gint
	609	gtk_myfixed_expose (GtkWidget *widget,
	610	GdkEventExpose *event)
	611	{
	612	GtkMyFixed *myfixed;
	613	GtkMyFixedChild *child;
	614	GdkEventExpose child_event;
	615	GList *children;
	616
	617	g_return_val_if_fail (widget != NULL, FALSE);
	618	g_return_val_if_fail (GTK_IS_MYFIXED (widget), FALSE);
	619	g_return_val_if_fail (event != NULL, FALSE);
	620
	621	if (GTK_WIDGET_DRAWABLE (widget))
	622	{
	623	myfixed = GTK_MYFIXED (widget);
	624
	625	child_event = *event;
	626
	627	children = myfixed->children;
	628	while (children)
	629	{
	630	child = children->data;
	631	children = children->next;
	632
	633	if (GTK_WIDGET_NO_WINDOW (child->widget) &&
	634	gtk_widget_intersect (child->widget, &event->area,
	635	&child_event.area))
	636	gtk_widget_event (child->widget, (GdkEvent*) &child_event);
	637	}
	638	}
	639
	640	return FALSE;
	641	}
	642
	643	static void
	644	gtk_myfixed_add (GtkContainer *container,
	645	GtkWidget *widget)
	646	{
	647	g_return_if_fail (container != NULL);
	648	g_return_if_fail (GTK_IS_MYFIXED (container));
	649	g_return_if_fail (widget != NULL);
	650
	651	gtk_myfixed_put (GTK_MYFIXED (container), widget, 0, 0, 20, 20 );
	652	}
	653
	654	static void
	655	gtk_myfixed_remove (GtkContainer *container,
	656	GtkWidget *widget)
	657	{
	658	GtkMyFixed *myfixed;
	659	GtkMyFixedChild *child;
	660	GList *children;
	661
	662	g_return_if_fail (container != NULL);
	663	g_return_if_fail (GTK_IS_MYFIXED (container));
	664	g_return_if_fail (widget != NULL);
	665
	666	myfixed = GTK_MYFIXED (container);
	667
	668	children = myfixed->children;
	669	while (children)
	670	{
	671	child = children->data;
	672
	673	if (child->widget == widget)
	674	{
	675	gboolean was_visible = GTK_WIDGET_VISIBLE (widget);
	676
	677	gtk_widget_unparent (widget);
	678
	679	myfixed->children = g_list_remove_link (myfixed->children, children);
	680	g_list_free (children);
	681	g_free (child);
	682
	683	if (was_visible && GTK_WIDGET_VISIBLE (container))
	684	gtk_widget_queue_resize (GTK_WIDGET (container));
	685
	686	break;
	687	}
	688
	689	children = children->next;
	690	}
	691	}
	692
	693	static void
	694	gtk_myfixed_foreach (GtkContainer *container,
	695	#if (GTK_MINOR_VERSION > 0)
	696	gboolean include_internals,
	697	#endif
	698	GtkCallback callback,
	699	gpointer callback_data)
	700	{
	701	GtkMyFixed *myfixed;
	702	GtkMyFixedChild *child;
	703	GList *children;
	704
	705	g_return_if_fail (container != NULL);
	706	g_return_if_fail (GTK_IS_MYFIXED (container));
	707	g_return_if_fail (callback != NULL);
	708
	709	myfixed = GTK_MYFIXED (container);
	710
	711	children = myfixed->children;
	712	while (children)
	713	{
	714	child = children->data;
	715	children = children->next;
	716
	717	(* callback) (child->widget, callback_data);
	718	}
	719	}
	720
	721
	722	#ifdef __cplusplus
	723	}
	724	#endif /* __cplusplus */
	725