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"
#include "gtk/gtkscrolledwindow.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_MYSHADOW_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,
			     GtkMyShadowType  type)
{
    g_return_if_fail (myfixed != NULL);
    g_return_if_fail (GTK_IS_MYFIXED (myfixed));

    if ((GtkMyShadowType) 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) && GTK_IS_NOTEBOOK(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_MYSHADOW_NONE)
    {
        /* no border, no changes to sizes */
    } else
    if (myfixed->shadow_type == GTK_MYSHADOW_THIN)
    {
        /* GTK_MYSHADOW_THIN == wxSIMPLE_BORDER */
        attributes.x += 1;
        attributes.y += 1;
        attributes.width -= 2;
        attributes.height -= 2;
    } else
    {
        /* GTK_MYSHADOW_IN == wxSUNKEN_BORDER */
        /* GTK_MYSHADOW_OUT == wxRAISED_BORDER */
        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_MYSHADOW_NONE)
        border = 0;
    else
    if (myfixed->shadow_type == GTK_MYSHADOW_THIN)
        border = 1;
    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;

        if (GTK_WIDGET_VISIBLE (child->widget))
        {
/*          please look at the text in wxWindow::DoSetSize() on why the
            test GTK_WIDGET_REALIZED() has to be here   */
/*          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);

      children = myfixed->children;
      if (children)  /* mini optimisation */
         gtk_myfixed_paint (widget, area);

      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);

          /* security checks */
          g_return_if_fail (GTK_IS_WIDGET (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));

          /* security checks */
	  g_return_if_fail (GTK_IS_WIDGET (widget));

	  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	#include "gtk/gtkscrolledwindow.h"
	14
	15	#ifdef __cplusplus
	16	extern "C" {
	17	#endif /* __cplusplus */
	18
	19	static void gtk_myfixed_class_init (GtkMyFixedClass *klass);
	20	static void gtk_myfixed_init (GtkMyFixed *myfixed);
	21	static void gtk_myfixed_map (GtkWidget *widget);
	22	#if (GTK_MINOR_VERSION == 0)
	23	static void gtk_myfixed_unmap (GtkWidget *widget);
	24	#endif
	25	static void gtk_myfixed_realize (GtkWidget *widget);
	26	static void gtk_myfixed_size_request (GtkWidget *widget,
	27	GtkRequisition *requisition);
	28	static void gtk_myfixed_size_allocate (GtkWidget *widget,
	29	GtkAllocation *allocation);
	30	static void gtk_myfixed_paint (GtkWidget *widget,
	31	GdkRectangle *area);
	32	static void gtk_myfixed_draw (GtkWidget *widget,
	33	GdkRectangle *area);
	34	static gint gtk_myfixed_expose (GtkWidget *widget,
	35	GdkEventExpose *event);
	36	static void gtk_myfixed_add (GtkContainer *container,
	37	GtkWidget *widget);
	38	static void gtk_myfixed_remove (GtkContainer *container,
	39	GtkWidget *widget);
	40	static void gtk_myfixed_foreach (GtkContainer *container,
	41	#if (GTK_MINOR_VERSION > 0)
	42	gboolean include_internals,
	43	#endif
	44	GtkCallback callback,
	45	gpointer callback_data);
	46	#if (GTK_MINOR_VERSION > 0)
	47	static GtkType gtk_myfixed_child_type (GtkContainer *container);
	48	#endif
	49
	50	#if (GTK_MINOR_VERSION > 0)
	51	static void gtk_myfixed_scroll_set_adjustments (GtkMyFixed *myfixed,
	52	GtkAdjustment *hadj,
	53	GtkAdjustment *vadj);
	54	#endif
	55
	56
	57
	58	static GtkContainerClass *parent_class = NULL;
	59
	60	guint
	61	gtk_myfixed_get_type ()
	62	{
	63	static guint myfixed_type = 0;
	64
	65	if (!myfixed_type)
	66	{
	67	GtkTypeInfo myfixed_info =
	68	{
	69	"GtkMyFixed",
	70	sizeof (GtkMyFixed),
	71	sizeof (GtkMyFixedClass),
	72	(GtkClassInitFunc) gtk_myfixed_class_init,
	73	(GtkObjectInitFunc) gtk_myfixed_init,
	74	#if (GTK_MINOR_VERSION > 0)
	75	/* reserved_1 */ NULL,
	76	/* reserved_2 */ NULL,
	77	(GtkClassInitFunc) NULL,
	78	#else
	79	(GtkArgSetFunc) NULL,
	80	(GtkArgGetFunc) NULL,
	81	#endif
	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_MYSHADOW_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
	177	gtk_myfixed_scroll_set_adjustments (GtkMyFixed *myfixed,
	178	GtkAdjustment *hadj,
	179	GtkAdjustment *vadj)
	180	{
	181	/* OK, this is embarassing, but this function has to be here */
	182	}
	183
	184	void
	185	gtk_myfixed_set_shadow_type (GtkMyFixed *myfixed,
	186	GtkMyShadowType type)
	187	{
	188	g_return_if_fail (myfixed != NULL);
	189	g_return_if_fail (GTK_IS_MYFIXED (myfixed));
	190
	191	if ((GtkMyShadowType) myfixed->shadow_type != type)
	192	{
	193	myfixed->shadow_type = type;
	194
	195	if (GTK_WIDGET_VISIBLE (myfixed))
	196	{
	197	gtk_widget_size_allocate (GTK_WIDGET (myfixed), &(GTK_WIDGET (myfixed)->allocation));
	198	gtk_widget_queue_draw (GTK_WIDGET (myfixed));
	199	}
	200	}
	201	}
	202	#endif
	203
	204	void
	205	gtk_myfixed_put (GtkMyFixed *myfixed,
	206	GtkWidget *widget,
	207	gint16 x,
	208	gint16 y,
	209	gint16 width,
	210	gint16 height)
	211	{
	212	GtkMyFixedChild *child_info;
	213
	214	g_return_if_fail (myfixed != NULL);
	215	g_return_if_fail (GTK_IS_MYFIXED (myfixed));
	216	g_return_if_fail (widget != NULL);
	217
	218	child_info = g_new (GtkMyFixedChild, 1);
	219	child_info->widget = widget;
	220	child_info->x = x;
	221	child_info->y = y;
	222	child_info->width = width;
	223	child_info->height = height;
	224
	225	gtk_widget_set_parent (widget, GTK_WIDGET (myfixed));
	226
	227	myfixed->children = g_list_append (myfixed->children, child_info);
	228
	229	if (GTK_WIDGET_REALIZED (myfixed))
	230	gtk_widget_realize (widget);
	231
	232	if (GTK_WIDGET_VISIBLE (myfixed) && GTK_WIDGET_VISIBLE (widget))
	233	{
	234	if (GTK_WIDGET_MAPPED (myfixed))
	235	gtk_widget_map (widget);
	236
	237	gtk_widget_queue_resize (GTK_WIDGET (myfixed));
	238	}
	239	}
	240
	241	void
	242	gtk_myfixed_move (GtkMyFixed *myfixed,
	243	GtkWidget *widget,
	244	gint16 x,
	245	gint16 y)
	246	{
	247	GtkMyFixedChild *child;
	248	GList *children;
	249
	250	g_return_if_fail (myfixed != NULL);
	251	g_return_if_fail (GTK_IS_MYFIXED (myfixed));
	252	g_return_if_fail (widget != NULL);
	253
	254	children = myfixed->children;
	255	while (children)
	256	{
	257	child = children->data;
	258	children = children->next;
	259
	260	if (child->widget == widget)
	261	{
	262	gtk_myfixed_set_size( myfixed, widget, x, y, child->width, child->height );
	263	break;
	264	}
	265	}
	266	}
	267
	268	void
	269	gtk_myfixed_resize (GtkMyFixed *myfixed,
	270	GtkWidget *widget,
	271	gint16 width,
	272	gint16 height)
	273	{
	274	GtkMyFixedChild *child;
	275	GList *children;
	276
	277	g_return_if_fail (myfixed != NULL);
	278	g_return_if_fail (GTK_IS_MYFIXED (myfixed));
	279	g_return_if_fail (widget != NULL);
	280
	281	children = myfixed->children;
	282	while (children)
	283	{
	284	child = children->data;
	285	children = children->next;
	286
	287	if (child->widget == widget)
	288	{
	289	gtk_myfixed_set_size( myfixed, widget, child->x, child->y, width, height );
	290	break;
	291	}
	292	}
	293	}
	294
	295	void
	296	gtk_myfixed_set_size (GtkMyFixed *myfixed,
	297	GtkWidget *widget,
	298	gint16 x,
	299	gint16 y,
	300	gint16 width,
	301	gint16 height)
	302	{
	303	GtkMyFixedChild *child;
	304	GList *children;
	305	GtkAllocation child_allocation;
	306
	307	g_return_if_fail (myfixed != NULL);
	308	g_return_if_fail (GTK_IS_MYFIXED (myfixed));
	309	g_return_if_fail (widget != NULL);
	310
	311	children = myfixed->children;
	312	while (children)
	313	{
	314	child = children->data;
	315	children = children->next;
	316
	317	if (child->widget == widget)
	318	{
	319	if ((child->x == x) &&
	320	(child->y == y) &&
	321	(child->width == width) &&
	322	(child->height == height)) return;
	323
	324	child->x = x;
	325	child->y = y;
	326	child->width = width;
	327	child->height = height;
	328
	329	if (GTK_WIDGET_VISIBLE (widget) && GTK_WIDGET_VISIBLE (myfixed))
	330	{
	331	if ( (child->width > 1) &&
	332	(child->height > 1) &&
	333	!(GTK_WIDGET_REALIZED(widget) && GTK_IS_NOTEBOOK(widget)) )
	334	{
	335	child_allocation.x = child->x;
	336	child_allocation.y = child->y;
	337	child_allocation.width = MAX( child->width, 1 );
	338	child_allocation.height = MAX( child->height, 1 );
	339
	340	/* work around for GTK bug when moving widgets outside
	341	the X window -> do NOT move them entirely outside */
	342	if (child_allocation.y + child_allocation.height < 0)
	343	child_allocation.y = -child_allocation.height;
	344	if (child_allocation.x + child_allocation.width < 0)
	345	child_allocation.x = -child_allocation.width;
	346
	347	gtk_widget_size_allocate (widget, &child_allocation);
	348	}
	349	else
	350	{
	351	gtk_widget_queue_resize (GTK_WIDGET (myfixed));
	352	}
	353	}
	354	break;
	355	}
	356	}
	357	}
	358
	359	static void
	360	gtk_myfixed_map (GtkWidget *widget)
	361	{
	362	GtkMyFixed *myfixed;
	363	GtkMyFixedChild *child;
	364	GList *children;
	365
	366	g_return_if_fail (widget != NULL);
	367	g_return_if_fail (GTK_IS_MYFIXED (widget));
	368
	369	GTK_WIDGET_SET_FLAGS (widget, GTK_MAPPED);
	370	myfixed = GTK_MYFIXED (widget);
	371
	372	children = myfixed->children;
	373	while (children)
	374	{
	375	child = children->data;
	376	children = children->next;
	377
	378	if (GTK_WIDGET_VISIBLE (child->widget) && !GTK_WIDGET_MAPPED (child->widget))
	379	gtk_widget_map (child->widget);
	380	}
	381
	382	gdk_window_show (widget->window);
	383	}
	384
	385	#if (GTK_MINOR_VERSION == 0)
	386	static void
	387	gtk_myfixed_unmap (GtkWidget *widget)
	388	{
	389	g_return_if_fail (widget != NULL);
	390	g_return_if_fail (GTK_IS_MYFIXED (widget));
	391
	392	GTK_WIDGET_UNSET_FLAGS (widget, GTK_MAPPED);
	393	}
	394	#endif
	395
	396	static void
	397	gtk_myfixed_realize (GtkWidget *widget)
	398	{
	399	GtkMyFixed *myfixed;
	400	GdkWindowAttr attributes;
	401	gint attributes_mask;
	402
	403	g_return_if_fail (widget != NULL);
	404	g_return_if_fail (GTK_IS_MYFIXED (widget));
	405
	406	myfixed = GTK_MYFIXED (widget);
	407
	408	GTK_WIDGET_SET_FLAGS (widget, GTK_REALIZED);
	409
	410	attributes.window_type = GDK_WINDOW_CHILD;
	411
	412	#if (GTK_MINOR_VERSION > 0)
	413	attributes.x = widget->allocation.x;
	414	attributes.y = widget->allocation.y;
	415	attributes.width = widget->allocation.width;
	416	attributes.height = widget->allocation.height;
	417
	418	if (myfixed->shadow_type == GTK_MYSHADOW_NONE)
	419	{
	420	/* no border, no changes to sizes */
	421	} else
	422	if (myfixed->shadow_type == GTK_MYSHADOW_THIN)
	423	{
	424	/* GTK_MYSHADOW_THIN == wxSIMPLE_BORDER */
	425	attributes.x += 1;
	426	attributes.y += 1;
	427	attributes.width -= 2;
	428	attributes.height -= 2;
	429	} else
	430	{
	431	/* GTK_MYSHADOW_IN == wxSUNKEN_BORDER */
	432	/* GTK_MYSHADOW_OUT == wxRAISED_BORDER */
	433	attributes.x += 2;
	434	attributes.y += 2;
	435	attributes.width -= 4;
	436	attributes.height -= 4;
	437	}
	438
	439	if (attributes.width < 2) attributes.width = 2;
	440	if (attributes.height < 2) attributes.height = 2;
	441	#else
	442	attributes.x = widget->allocation.x;
	443	attributes.y = widget->allocation.y;
	444	attributes.width = 32000;
	445	attributes.height = 32000;
	446	#endif
	447	attributes.wclass = GDK_INPUT_OUTPUT;
	448	attributes.visual = gtk_widget_get_visual (widget);
	449	attributes.colormap = gtk_widget_get_colormap (widget);
	450	attributes.event_mask = gtk_widget_get_events (widget);
	451	attributes.event_mask \|=
	452	GDK_EXPOSURE_MASK \|
	453	GDK_POINTER_MOTION_MASK \|
	454	GDK_POINTER_MOTION_HINT_MASK \|
	455	GDK_BUTTON_MOTION_MASK \|
	456	GDK_BUTTON1_MOTION_MASK \|
	457	GDK_BUTTON2_MOTION_MASK \|
	458	GDK_BUTTON3_MOTION_MASK \|
	459	GDK_BUTTON_PRESS_MASK \|
	460	GDK_BUTTON_RELEASE_MASK \|
	461	GDK_KEY_PRESS_MASK \|
	462	GDK_KEY_RELEASE_MASK \|
	463	GDK_ENTER_NOTIFY_MASK \|
	464	GDK_LEAVE_NOTIFY_MASK \|
	465	GDK_FOCUS_CHANGE_MASK;
	466	attributes_mask = GDK_WA_X \| GDK_WA_Y \| GDK_WA_VISUAL \| GDK_WA_COLORMAP;
	467
	468	widget->window = gdk_window_new( gtk_widget_get_parent_window (widget), &attributes,
	469	attributes_mask);
	470	gdk_window_set_user_data (widget->window, widget);
	471
	472	widget->style = gtk_style_attach (widget->style, widget->window);
	473	gtk_style_set_background (widget->style, widget->window, GTK_STATE_NORMAL);
	474	}
	475
	476	static void
	477	gtk_myfixed_size_request (GtkWidget *widget,
	478	GtkRequisition *requisition)
	479	{
	480	GtkMyFixed *myfixed;
	481	GtkMyFixedChild *child;
	482	GList *children;
	483	GtkRequisition child_requisition;
	484
	485	g_return_if_fail (widget != NULL);
	486	g_return_if_fail (GTK_IS_MYFIXED (widget));
	487	g_return_if_fail (requisition != NULL);
	488
	489	myfixed = GTK_MYFIXED (widget);
	490
	491	children = myfixed->children;
	492	while (children)
	493	{
	494	child = children->data;
	495	children = children->next;
	496
	497	if (GTK_WIDGET_VISIBLE (child->widget))
	498	{
	499	gtk_widget_size_request (child->widget, &child_requisition);
	500	}
	501	}
	502
	503	/* request very little, I'm not sure if requesting nothing
	504	will always have positive effects on stability... */
	505	requisition->width = 2;
	506	requisition->height = 2;
	507	}
	508
	509	static void
	510	gtk_myfixed_size_allocate (GtkWidget *widget,
	511	GtkAllocation *allocation)
	512	{
	513	GtkMyFixed *myfixed;
	514	gint border;
	515	GtkMyFixedChild *child;
	516	GtkAllocation child_allocation;
	517	GList *children;
	518
	519	g_return_if_fail (widget != NULL);
	520	g_return_if_fail (GTK_IS_MYFIXED(widget));
	521	g_return_if_fail (allocation != NULL);
	522
	523	myfixed = GTK_MYFIXED (widget);
	524
	525	widget->allocation = *allocation;
	526	#if (GTK_MINOR_VERSION > 0)
	527	if (myfixed->shadow_type == GTK_MYSHADOW_NONE)
	528	border = 0;
	529	else
	530	if (myfixed->shadow_type == GTK_MYSHADOW_THIN)
	531	border = 1;
	532	else
	533	border = 2;
	534	#else
	535	border = 0;
	536	#endif
	537
	538	if (GTK_WIDGET_REALIZED (widget))
	539	{
	540	gdk_window_move_resize( widget->window,
	541	allocation->x+border, allocation->y+border,
	542	#if (GTK_MINOR_VERSION > 0)
	543	allocation->width-border2, allocation->height-border2
	544	#else
	545	32000, 32000
	546	#endif
	547	);
	548	}
	549
	550	children = myfixed->children;
	551	while (children)
	552	{
	553	child = children->data;
	554	children = children->next;
	555
	556	if (GTK_WIDGET_VISIBLE (child->widget))
	557	{
	558	/* please look at the text in wxWindow::DoSetSize() on why the
	559	test GTK_WIDGET_REALIZED() has to be here */
	560	/* if (GTK_IS_NOTEBOOK(child->widget) && !GTK_WIDGET_REALIZED(child->widget))
	561	{
	562	gtk_widget_queue_resize( child->widget );
	563	}
	564	else */
	565	{
	566	child_allocation.x = child->x;
	567	child_allocation.y = child->y;
	568	child_allocation.width = MAX( child->width, 1 );
	569	child_allocation.height = MAX( child->height, 1 );
	570
	571	/* work around for GTK bug when moving widgets outside
	572	the X window -> do NOT move them entirely outside */
	573	if (child_allocation.y + child_allocation.height < 0)
	574	child_allocation.y = -child_allocation.height;
	575	if (child_allocation.x + child_allocation.width < 0)
	576	child_allocation.x = -child_allocation.width;
	577
	578	gtk_widget_size_allocate (child->widget, &child_allocation);
	579	}
	580	}
	581	}
	582	}
	583
	584	static void
	585	gtk_myfixed_paint (GtkWidget *widget,
	586	GdkRectangle *area)
	587	{
	588	g_return_if_fail (widget != NULL);
	589	g_return_if_fail (GTK_IS_MYFIXED (widget));
	590	g_return_if_fail (area != NULL);
	591
	592	if (GTK_WIDGET_DRAWABLE (widget))
	593	gdk_window_clear_area (widget->window,
	594	area->x, area->y,
	595	area->width, area->height);
	596	}
	597
	598	static void
	599	gtk_myfixed_draw (GtkWidget *widget,
	600	GdkRectangle *area)
	601	{
	602	GtkMyFixed *myfixed;
	603	GtkMyFixedChild *child;
	604	GdkRectangle child_area;
	605	GList *children;
	606
	607	g_return_if_fail (widget != NULL);
	608	g_return_if_fail (GTK_IS_MYFIXED (widget));
	609
	610	if (GTK_WIDGET_DRAWABLE (widget))
	611	{
	612	myfixed = GTK_MYFIXED (widget);
	613
	614	children = myfixed->children;
	615	if (children) /* mini optimisation */
	616	gtk_myfixed_paint (widget, area);
	617
	618	while (children)
	619	{
	620	child = children->data;
	621	children = children->next;
	622
	623	if (gtk_widget_intersect (child->widget, area, &child_area))
	624	gtk_widget_draw (child->widget, &child_area);
	625	}
	626	}
	627	}
	628
	629	static gint
	630	gtk_myfixed_expose (GtkWidget *widget,
	631	GdkEventExpose *event)
	632	{
	633	GtkMyFixed *myfixed;
	634	GtkMyFixedChild *child;
	635	GdkEventExpose child_event;
	636	GList *children;
	637
	638	g_return_val_if_fail (widget != NULL, FALSE);
	639	g_return_val_if_fail (GTK_IS_MYFIXED (widget), FALSE);
	640	g_return_val_if_fail (event != NULL, FALSE);
	641
	642	if (GTK_WIDGET_DRAWABLE (widget))
	643	{
	644	myfixed = GTK_MYFIXED (widget);
	645
	646	child_event = *event;
	647
	648	children = myfixed->children;
	649	while (children)
	650	{
	651	child = children->data;
	652	children = children->next;
	653
	654	if (GTK_WIDGET_NO_WINDOW (child->widget) &&
	655	gtk_widget_intersect (child->widget, &event->area,
	656	&child_event.area))
	657	gtk_widget_event (child->widget, (GdkEvent*) &child_event);
	658	}
	659	}
	660
	661	return FALSE;
	662	}
	663
	664	static void
	665	gtk_myfixed_add (GtkContainer *container,
	666	GtkWidget *widget)
	667	{
	668	g_return_if_fail (container != NULL);
	669	g_return_if_fail (GTK_IS_MYFIXED (container));
	670	g_return_if_fail (widget != NULL);
	671
	672	gtk_myfixed_put (GTK_MYFIXED (container), widget, 0, 0, 20, 20 );
	673	}
	674
	675	static void
	676	gtk_myfixed_remove (GtkContainer *container,
	677	GtkWidget *widget)
	678	{
	679	GtkMyFixed *myfixed;
	680	GtkMyFixedChild *child;
	681	GList *children;
	682
	683	g_return_if_fail (container != NULL);
	684	g_return_if_fail (GTK_IS_MYFIXED (container));
	685	g_return_if_fail (widget != NULL);
	686
	687	myfixed = GTK_MYFIXED (container);
	688
	689	children = myfixed->children;
	690	while (children)
	691	{
	692	child = children->data;
	693
	694	if (child->widget == widget)
	695	{
	696	gboolean was_visible = GTK_WIDGET_VISIBLE (widget);
	697
	698	gtk_widget_unparent (widget);
	699
	700	/* security checks */
	701	g_return_if_fail (GTK_IS_WIDGET (widget));
	702
	703	myfixed->children = g_list_remove_link (myfixed->children, children);
	704	g_list_free (children);
	705	g_free (child);
	706
	707	if (was_visible && GTK_WIDGET_VISIBLE (container))
	708	gtk_widget_queue_resize (GTK_WIDGET (container));
	709
	710	/* security checks */
	711	g_return_if_fail (GTK_IS_WIDGET (widget));
	712
	713	break;
	714	}
	715
	716	children = children->next;
	717	}
	718	}
	719
	720	static void
	721	gtk_myfixed_foreach (GtkContainer *container,
	722	#if (GTK_MINOR_VERSION > 0)
	723	gboolean include_internals,
	724	#endif
	725	GtkCallback callback,
	726	gpointer callback_data)
	727	{
	728	GtkMyFixed *myfixed;
	729	GtkMyFixedChild *child;
	730	GList *children;
	731
	732	g_return_if_fail (container != NULL);
	733	g_return_if_fail (GTK_IS_MYFIXED (container));
	734	g_return_if_fail (callback != NULL);
	735
	736	myfixed = GTK_MYFIXED (container);
	737
	738	children = myfixed->children;
	739	while (children)
	740	{
	741	child = children->data;
	742	children = children->next;
	743
	744	(* callback) (child->widget, callback_data);
	745	}
	746	}
	747
	748
	749	#ifdef __cplusplus
	750	}
	751	#endif /* __cplusplus */
	752