mirror of https://github.com/GNOME/gimp.git
831 lines
22 KiB
C
831 lines
22 KiB
C
/* GTK - The GIMP Toolkit
|
|
* Copyright (C) 1995-1997 Peter Mattis, Spencer Kimball and Josh MacDonald
|
|
*
|
|
* GtkWrapBox: Wrapping box widget
|
|
* Copyright (C) 1999 Tim Janik
|
|
*
|
|
* This library is free software; you can redistribute it and/or
|
|
* modify it under the terms of the GNU Library General Public
|
|
* License as published by the Free Software Foundation; either
|
|
* version 2 of the License, or (at your option) any later version.
|
|
*
|
|
* This library is distributed in the hope that it will be useful,
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
|
* Library General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU Library General Public
|
|
* License along with this library; if not, write to the
|
|
* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
|
|
* Boston, MA 02111-1307, USA.
|
|
*/
|
|
#include <math.h>
|
|
|
|
#include "gtkwrapbox.h"
|
|
|
|
|
|
/* --- arguments --- */
|
|
enum {
|
|
ARG_0,
|
|
ARG_HOMOGENEOUS,
|
|
ARG_JUSTIFY,
|
|
ARG_HSPACING,
|
|
ARG_VSPACING,
|
|
ARG_LINE_JUSTIFY,
|
|
ARG_ASPECT_RATIO,
|
|
ARG_CURRENT_RATIO,
|
|
ARG_CHILD_LIMIT
|
|
};
|
|
enum {
|
|
CHILD_ARG_0,
|
|
CHILD_ARG_POSITION,
|
|
CHILD_ARG_HEXPAND,
|
|
CHILD_ARG_HFILL,
|
|
CHILD_ARG_VEXPAND,
|
|
CHILD_ARG_VFILL,
|
|
CHILD_ARG_FORCED_BREAK
|
|
};
|
|
|
|
|
|
/* --- prototypes --- */
|
|
static void gtk_wrap_box_class_init (GtkWrapBoxClass *klass);
|
|
static void gtk_wrap_box_init (GtkWrapBox *wbox);
|
|
static void gtk_wrap_box_get_arg (GtkObject *object,
|
|
GtkArg *arg,
|
|
guint arg_id);
|
|
static void gtk_wrap_box_set_arg (GtkObject *object,
|
|
GtkArg *arg,
|
|
guint arg_id);
|
|
static void gtk_wrap_box_set_child_arg (GtkContainer *container,
|
|
GtkWidget *child,
|
|
GtkArg *arg,
|
|
guint arg_id);
|
|
static void gtk_wrap_box_get_child_arg (GtkContainer *container,
|
|
GtkWidget *child,
|
|
GtkArg *arg,
|
|
guint arg_id);
|
|
static void gtk_wrap_box_map (GtkWidget *widget);
|
|
static void gtk_wrap_box_unmap (GtkWidget *widget);
|
|
static void gtk_wrap_box_draw (GtkWidget *widget,
|
|
GdkRectangle *area);
|
|
static gint gtk_wrap_box_expose (GtkWidget *widget,
|
|
GdkEventExpose *event);
|
|
static void gtk_wrap_box_add (GtkContainer *container,
|
|
GtkWidget *widget);
|
|
static void gtk_wrap_box_remove (GtkContainer *container,
|
|
GtkWidget *widget);
|
|
static void gtk_wrap_box_forall (GtkContainer *container,
|
|
gboolean include_internals,
|
|
GtkCallback callback,
|
|
gpointer callback_data);
|
|
static GtkType gtk_wrap_box_child_type (GtkContainer *container);
|
|
|
|
|
|
/* --- variables --- */
|
|
static gpointer parent_class = NULL;
|
|
|
|
|
|
/* --- functions --- */
|
|
GtkType
|
|
gtk_wrap_box_get_type (void)
|
|
{
|
|
static GtkType wrap_box_type = 0;
|
|
|
|
if (!wrap_box_type)
|
|
{
|
|
static const GtkTypeInfo wrap_box_info =
|
|
{
|
|
"GtkWrapBox",
|
|
sizeof (GtkWrapBox),
|
|
sizeof (GtkWrapBoxClass),
|
|
(GtkClassInitFunc) gtk_wrap_box_class_init,
|
|
(GtkObjectInitFunc) gtk_wrap_box_init,
|
|
/* reserved_1 */ NULL,
|
|
/* reserved_2 */ NULL,
|
|
(GtkClassInitFunc) NULL,
|
|
};
|
|
|
|
wrap_box_type = gtk_type_unique (GTK_TYPE_CONTAINER, &wrap_box_info);
|
|
}
|
|
|
|
return wrap_box_type;
|
|
}
|
|
|
|
static void
|
|
gtk_wrap_box_class_init (GtkWrapBoxClass *class)
|
|
{
|
|
GtkObjectClass *object_class;
|
|
GtkWidgetClass *widget_class;
|
|
GtkContainerClass *container_class;
|
|
|
|
object_class = GTK_OBJECT_CLASS (class);
|
|
widget_class = GTK_WIDGET_CLASS (class);
|
|
container_class = GTK_CONTAINER_CLASS (class);
|
|
|
|
parent_class = gtk_type_class (GTK_TYPE_CONTAINER);
|
|
|
|
object_class->set_arg = gtk_wrap_box_set_arg;
|
|
object_class->get_arg = gtk_wrap_box_get_arg;
|
|
|
|
widget_class->map = gtk_wrap_box_map;
|
|
widget_class->unmap = gtk_wrap_box_unmap;
|
|
widget_class->draw = gtk_wrap_box_draw;
|
|
widget_class->expose_event = gtk_wrap_box_expose;
|
|
|
|
container_class->add = gtk_wrap_box_add;
|
|
container_class->remove = gtk_wrap_box_remove;
|
|
container_class->forall = gtk_wrap_box_forall;
|
|
container_class->child_type = gtk_wrap_box_child_type;
|
|
container_class->set_child_arg = gtk_wrap_box_set_child_arg;
|
|
container_class->get_child_arg = gtk_wrap_box_get_child_arg;
|
|
|
|
class->rlist_line_children = NULL;
|
|
|
|
gtk_object_add_arg_type ("GtkWrapBox::homogeneous",
|
|
GTK_TYPE_BOOL, GTK_ARG_READWRITE, ARG_HOMOGENEOUS);
|
|
gtk_object_add_arg_type ("GtkWrapBox::justify",
|
|
GTK_TYPE_JUSTIFICATION, GTK_ARG_READWRITE, ARG_JUSTIFY);
|
|
gtk_object_add_arg_type ("GtkWrapBox::hspacing",
|
|
GTK_TYPE_UINT, GTK_ARG_READWRITE, ARG_HSPACING);
|
|
gtk_object_add_arg_type ("GtkWrapBox::vspacing",
|
|
GTK_TYPE_UINT, GTK_ARG_READWRITE, ARG_VSPACING);
|
|
gtk_object_add_arg_type ("GtkWrapBox::line_justify",
|
|
GTK_TYPE_JUSTIFICATION, GTK_ARG_READWRITE, ARG_LINE_JUSTIFY);
|
|
gtk_object_add_arg_type ("GtkWrapBox::aspect_ratio",
|
|
GTK_TYPE_FLOAT, GTK_ARG_READWRITE, ARG_ASPECT_RATIO);
|
|
gtk_object_add_arg_type ("GtkWrapBox::current_ratio",
|
|
GTK_TYPE_FLOAT, GTK_ARG_READABLE, ARG_CURRENT_RATIO);
|
|
gtk_object_add_arg_type ("GtkWrapBox::max_children_per_line",
|
|
GTK_TYPE_UINT, GTK_ARG_READWRITE, ARG_CHILD_LIMIT);
|
|
gtk_container_add_child_arg_type ("GtkWrapBox::position",
|
|
GTK_TYPE_INT, GTK_ARG_READWRITE, CHILD_ARG_POSITION);
|
|
gtk_container_add_child_arg_type ("GtkWrapBox::hexpand",
|
|
GTK_TYPE_BOOL, GTK_ARG_READWRITE, CHILD_ARG_HEXPAND);
|
|
gtk_container_add_child_arg_type ("GtkWrapBox::hfill",
|
|
GTK_TYPE_BOOL, GTK_ARG_READWRITE, CHILD_ARG_HFILL);
|
|
gtk_container_add_child_arg_type ("GtkWrapBox::vexpand",
|
|
GTK_TYPE_BOOL, GTK_ARG_READWRITE, CHILD_ARG_VEXPAND);
|
|
gtk_container_add_child_arg_type ("GtkWrapBox::vfill",
|
|
GTK_TYPE_BOOL, GTK_ARG_READWRITE, CHILD_ARG_VFILL);
|
|
gtk_container_add_child_arg_type ("GtkWrapBox::forcebreak",
|
|
GTK_TYPE_BOOL, GTK_ARG_READWRITE, CHILD_ARG_FORCED_BREAK);
|
|
}
|
|
|
|
static void
|
|
gtk_wrap_box_init (GtkWrapBox *wbox)
|
|
{
|
|
GTK_WIDGET_SET_FLAGS (wbox, GTK_NO_WINDOW);
|
|
|
|
wbox->homogeneous = FALSE;
|
|
wbox->hspacing = 0;
|
|
wbox->vspacing = 0;
|
|
wbox->justify = GTK_JUSTIFY_LEFT;
|
|
wbox->line_justify = GTK_JUSTIFY_BOTTOM;
|
|
wbox->n_children = 0;
|
|
wbox->children = NULL;
|
|
wbox->aspect_ratio = 1;
|
|
wbox->child_limit = 32767;
|
|
}
|
|
|
|
static void
|
|
gtk_wrap_box_set_arg (GtkObject *object,
|
|
GtkArg *arg,
|
|
guint arg_id)
|
|
{
|
|
GtkWrapBox *wbox = GTK_WRAP_BOX (object);
|
|
|
|
switch (arg_id)
|
|
{
|
|
case ARG_HOMOGENEOUS:
|
|
gtk_wrap_box_set_homogeneous (wbox, GTK_VALUE_BOOL (*arg));
|
|
break;
|
|
case ARG_JUSTIFY:
|
|
gtk_wrap_box_set_justify (wbox, GTK_VALUE_ENUM (*arg));
|
|
break;
|
|
case ARG_LINE_JUSTIFY:
|
|
gtk_wrap_box_set_line_justify (wbox, GTK_VALUE_ENUM (*arg));
|
|
break;
|
|
case ARG_HSPACING:
|
|
gtk_wrap_box_set_hspacing (wbox, GTK_VALUE_UINT (*arg));
|
|
break;
|
|
case ARG_VSPACING:
|
|
gtk_wrap_box_set_vspacing (wbox, GTK_VALUE_UINT (*arg));
|
|
break;
|
|
case ARG_ASPECT_RATIO:
|
|
gtk_wrap_box_set_aspect_ratio (wbox, GTK_VALUE_FLOAT (*arg));
|
|
break;
|
|
case ARG_CHILD_LIMIT:
|
|
if (wbox->child_limit != GTK_VALUE_UINT (*arg))
|
|
{
|
|
wbox->child_limit = CLAMP (GTK_VALUE_UINT (*arg), 1, 32767);
|
|
gtk_widget_queue_resize (GTK_WIDGET (wbox));
|
|
}
|
|
break;
|
|
}
|
|
}
|
|
|
|
static void
|
|
gtk_wrap_box_get_arg (GtkObject *object,
|
|
GtkArg *arg,
|
|
guint arg_id)
|
|
{
|
|
GtkWrapBox *wbox = GTK_WRAP_BOX (object);
|
|
GtkWidget *widget = GTK_WIDGET (object);
|
|
|
|
switch (arg_id)
|
|
{
|
|
case ARG_HOMOGENEOUS:
|
|
GTK_VALUE_BOOL (*arg) = wbox->homogeneous;
|
|
break;
|
|
case ARG_JUSTIFY:
|
|
GTK_VALUE_ENUM (*arg) = wbox->justify;
|
|
break;
|
|
case ARG_LINE_JUSTIFY:
|
|
GTK_VALUE_ENUM (*arg) = wbox->line_justify;
|
|
break;
|
|
case ARG_HSPACING:
|
|
GTK_VALUE_UINT (*arg) = wbox->hspacing;
|
|
break;
|
|
case ARG_VSPACING:
|
|
GTK_VALUE_UINT (*arg) = wbox->vspacing;
|
|
break;
|
|
case ARG_ASPECT_RATIO:
|
|
GTK_VALUE_FLOAT (*arg) = wbox->aspect_ratio;
|
|
break;
|
|
case ARG_CURRENT_RATIO:
|
|
GTK_VALUE_FLOAT (*arg) = (((gfloat) widget->allocation.width) /
|
|
((gfloat) widget->allocation.height));
|
|
break;
|
|
case ARG_CHILD_LIMIT:
|
|
GTK_VALUE_UINT (*arg) = wbox->child_limit;
|
|
break;
|
|
default:
|
|
arg->type = GTK_TYPE_INVALID;
|
|
break;
|
|
}
|
|
}
|
|
|
|
static void
|
|
gtk_wrap_box_set_child_arg (GtkContainer *container,
|
|
GtkWidget *child,
|
|
GtkArg *arg,
|
|
guint arg_id)
|
|
{
|
|
GtkWrapBox *wbox = GTK_WRAP_BOX (container);
|
|
gboolean hexpand = FALSE, hfill = FALSE, vexpand = FALSE, vfill = FALSE;
|
|
|
|
if (arg_id != CHILD_ARG_POSITION)
|
|
gtk_wrap_box_query_child_packing (wbox, child, &hexpand, &hfill, &vexpand, &vfill);
|
|
|
|
switch (arg_id)
|
|
{
|
|
case CHILD_ARG_POSITION:
|
|
gtk_wrap_box_reorder_child (wbox, child, GTK_VALUE_INT (*arg));
|
|
break;
|
|
case CHILD_ARG_HEXPAND:
|
|
gtk_wrap_box_set_child_packing (wbox, child,
|
|
GTK_VALUE_BOOL (*arg), hfill,
|
|
vexpand, vfill);
|
|
break;
|
|
case CHILD_ARG_HFILL:
|
|
gtk_wrap_box_set_child_packing (wbox, child,
|
|
hexpand, GTK_VALUE_BOOL (*arg),
|
|
vexpand, vfill);
|
|
break;
|
|
case CHILD_ARG_VEXPAND:
|
|
gtk_wrap_box_set_child_packing (wbox, child,
|
|
hexpand, hfill,
|
|
GTK_VALUE_BOOL (*arg), vfill);
|
|
break;
|
|
case CHILD_ARG_VFILL:
|
|
gtk_wrap_box_set_child_packing (wbox, child,
|
|
hexpand, hfill,
|
|
vexpand, GTK_VALUE_BOOL (*arg));
|
|
break;
|
|
case CHILD_ARG_FORCED_BREAK:
|
|
gtk_wrap_box_set_child_forced_break (wbox, child,
|
|
GTK_VALUE_BOOL (*arg));
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
}
|
|
|
|
static void
|
|
gtk_wrap_box_get_child_arg (GtkContainer *container,
|
|
GtkWidget *child,
|
|
GtkArg *arg,
|
|
guint arg_id)
|
|
{
|
|
GtkWrapBox *wbox = GTK_WRAP_BOX (container);
|
|
gboolean hexpand = FALSE, hfill = FALSE, vexpand = FALSE, vfill = FALSE;
|
|
|
|
if (arg_id != CHILD_ARG_POSITION)
|
|
gtk_wrap_box_query_child_packing (wbox, child, &hexpand, &hfill, &vexpand, &vfill);
|
|
|
|
switch (arg_id)
|
|
{
|
|
GtkWrapBoxChild *child_info;
|
|
case CHILD_ARG_POSITION:
|
|
GTK_VALUE_INT (*arg) = 0;
|
|
for (child_info = wbox->children; child_info; child_info = child_info->next)
|
|
{
|
|
if (child_info->widget == child)
|
|
break;
|
|
GTK_VALUE_INT (*arg)++;
|
|
}
|
|
if (!child_info)
|
|
GTK_VALUE_INT (*arg) = -1;
|
|
break;
|
|
case CHILD_ARG_HEXPAND:
|
|
GTK_VALUE_BOOL (*arg) = hexpand;
|
|
break;
|
|
case CHILD_ARG_HFILL:
|
|
GTK_VALUE_BOOL (*arg) = hfill;
|
|
break;
|
|
case CHILD_ARG_VEXPAND:
|
|
GTK_VALUE_BOOL (*arg) = vexpand;
|
|
break;
|
|
case CHILD_ARG_VFILL:
|
|
GTK_VALUE_BOOL (*arg) = vfill;
|
|
break;
|
|
default:
|
|
arg->type = GTK_TYPE_INVALID;
|
|
break;
|
|
}
|
|
}
|
|
|
|
static GtkType
|
|
gtk_wrap_box_child_type (GtkContainer *container)
|
|
{
|
|
return GTK_TYPE_WIDGET;
|
|
}
|
|
|
|
void
|
|
gtk_wrap_box_set_homogeneous (GtkWrapBox *wbox,
|
|
gboolean homogeneous)
|
|
{
|
|
g_return_if_fail (GTK_IS_WRAP_BOX (wbox));
|
|
|
|
homogeneous = homogeneous != FALSE;
|
|
if (wbox->homogeneous != homogeneous)
|
|
{
|
|
wbox->homogeneous = homogeneous;
|
|
gtk_widget_queue_resize (GTK_WIDGET (wbox));
|
|
}
|
|
}
|
|
|
|
void
|
|
gtk_wrap_box_set_hspacing (GtkWrapBox *wbox,
|
|
guint hspacing)
|
|
{
|
|
g_return_if_fail (GTK_IS_WRAP_BOX (wbox));
|
|
|
|
if (wbox->hspacing != hspacing)
|
|
{
|
|
wbox->hspacing = hspacing;
|
|
gtk_widget_queue_resize (GTK_WIDGET (wbox));
|
|
}
|
|
}
|
|
|
|
void
|
|
gtk_wrap_box_set_vspacing (GtkWrapBox *wbox,
|
|
guint vspacing)
|
|
{
|
|
g_return_if_fail (GTK_IS_WRAP_BOX (wbox));
|
|
|
|
if (wbox->vspacing != vspacing)
|
|
{
|
|
wbox->vspacing = vspacing;
|
|
gtk_widget_queue_resize (GTK_WIDGET (wbox));
|
|
}
|
|
}
|
|
|
|
void
|
|
gtk_wrap_box_set_justify (GtkWrapBox *wbox,
|
|
GtkJustification justify)
|
|
{
|
|
g_return_if_fail (GTK_IS_WRAP_BOX (wbox));
|
|
g_return_if_fail (justify <= GTK_JUSTIFY_FILL);
|
|
|
|
if (wbox->justify != justify)
|
|
{
|
|
wbox->justify = justify;
|
|
gtk_widget_queue_resize (GTK_WIDGET (wbox));
|
|
}
|
|
}
|
|
|
|
void
|
|
gtk_wrap_box_set_line_justify (GtkWrapBox *wbox,
|
|
GtkJustification line_justify)
|
|
{
|
|
g_return_if_fail (GTK_IS_WRAP_BOX (wbox));
|
|
g_return_if_fail (line_justify <= GTK_JUSTIFY_FILL);
|
|
|
|
if (wbox->line_justify != line_justify)
|
|
{
|
|
wbox->line_justify = line_justify;
|
|
gtk_widget_queue_resize (GTK_WIDGET (wbox));
|
|
}
|
|
}
|
|
|
|
void
|
|
gtk_wrap_box_set_aspect_ratio (GtkWrapBox *wbox,
|
|
gfloat aspect_ratio)
|
|
{
|
|
g_return_if_fail (GTK_IS_WRAP_BOX (wbox));
|
|
|
|
aspect_ratio = CLAMP (aspect_ratio, 1.0 / 256.0, 256.0);
|
|
|
|
if (wbox->aspect_ratio != aspect_ratio)
|
|
{
|
|
wbox->aspect_ratio = aspect_ratio;
|
|
gtk_widget_queue_resize (GTK_WIDGET (wbox));
|
|
}
|
|
}
|
|
|
|
void
|
|
gtk_wrap_box_pack (GtkWrapBox *wbox,
|
|
GtkWidget *child,
|
|
gboolean hexpand,
|
|
gboolean hfill,
|
|
gboolean vexpand,
|
|
gboolean vfill)
|
|
{
|
|
GtkWrapBoxChild *child_info;
|
|
|
|
g_return_if_fail (GTK_IS_WRAP_BOX (wbox));
|
|
g_return_if_fail (GTK_IS_WIDGET (child));
|
|
g_return_if_fail (child->parent == NULL);
|
|
|
|
child_info = g_new (GtkWrapBoxChild, 1);
|
|
child_info->widget = child;
|
|
child_info->hexpand = hexpand ? TRUE : FALSE;
|
|
child_info->hfill = hfill ? TRUE : FALSE;
|
|
child_info->vexpand = vexpand ? TRUE : FALSE;
|
|
child_info->vfill = vfill ? TRUE : FALSE;
|
|
child_info->forced_break = FALSE;
|
|
child_info->next = NULL;
|
|
if (wbox->children)
|
|
{
|
|
GtkWrapBoxChild *last = wbox->children;
|
|
|
|
while (last->next)
|
|
last = last->next;
|
|
last->next = child_info;
|
|
}
|
|
else
|
|
wbox->children = child_info;
|
|
wbox->n_children++;
|
|
|
|
gtk_widget_set_parent (child, GTK_WIDGET (wbox));
|
|
|
|
if (GTK_WIDGET_REALIZED (wbox))
|
|
gtk_widget_realize (child);
|
|
|
|
if (GTK_WIDGET_VISIBLE (wbox) && GTK_WIDGET_VISIBLE (child))
|
|
{
|
|
if (GTK_WIDGET_MAPPED (wbox))
|
|
gtk_widget_map (child);
|
|
|
|
gtk_widget_queue_resize (child);
|
|
}
|
|
}
|
|
|
|
void
|
|
gtk_wrap_box_reorder_child (GtkWrapBox *wbox,
|
|
GtkWidget *child,
|
|
gint position)
|
|
{
|
|
GtkWrapBoxChild *child_info, *last = NULL;
|
|
|
|
g_return_if_fail (GTK_IS_WRAP_BOX (wbox));
|
|
g_return_if_fail (GTK_IS_WIDGET (child));
|
|
|
|
for (child_info = wbox->children; child_info; last = child_info, child_info = last->next)
|
|
if (child_info->widget == child)
|
|
break;
|
|
|
|
if (child_info && wbox->children->next)
|
|
{
|
|
GtkWrapBoxChild *tmp;
|
|
|
|
if (last)
|
|
last->next = child_info->next;
|
|
else
|
|
wbox->children = child_info->next;
|
|
|
|
last = NULL;
|
|
tmp = wbox->children;
|
|
while (position && tmp->next)
|
|
{
|
|
position--;
|
|
last = tmp;
|
|
tmp = last->next;
|
|
}
|
|
|
|
if (position)
|
|
{
|
|
tmp->next = child_info;
|
|
child_info->next = NULL;
|
|
}
|
|
else
|
|
{
|
|
child_info->next = tmp;
|
|
if (last)
|
|
last->next = child_info;
|
|
else
|
|
wbox->children = child_info;
|
|
}
|
|
|
|
if (GTK_WIDGET_VISIBLE (child) && GTK_WIDGET_VISIBLE (wbox))
|
|
gtk_widget_queue_resize (child);
|
|
}
|
|
}
|
|
|
|
void
|
|
gtk_wrap_box_query_child_packing (GtkWrapBox *wbox,
|
|
GtkWidget *child,
|
|
gboolean *hexpand,
|
|
gboolean *hfill,
|
|
gboolean *vexpand,
|
|
gboolean *vfill)
|
|
{
|
|
GtkWrapBoxChild *child_info;
|
|
|
|
g_return_if_fail (GTK_IS_WRAP_BOX (wbox));
|
|
g_return_if_fail (GTK_IS_WIDGET (child));
|
|
|
|
for (child_info = wbox->children; child_info; child_info = child_info->next)
|
|
if (child_info->widget == child)
|
|
break;
|
|
|
|
if (child_info)
|
|
{
|
|
if (hexpand)
|
|
*hexpand = child_info->hexpand;
|
|
if (hfill)
|
|
*hfill = child_info->hfill;
|
|
if (vexpand)
|
|
*vexpand = child_info->vexpand;
|
|
if (vfill)
|
|
*vfill = child_info->vfill;
|
|
}
|
|
}
|
|
|
|
void
|
|
gtk_wrap_box_query_child_forced_break (GtkWrapBox *wbox,
|
|
GtkWidget *child,
|
|
gboolean *forced_break)
|
|
{
|
|
GtkWrapBoxChild *child_info;
|
|
|
|
g_return_if_fail (GTK_IS_WRAP_BOX (wbox));
|
|
g_return_if_fail (GTK_IS_WIDGET (child));
|
|
|
|
for (child_info = wbox->children; child_info; child_info = child_info->next)
|
|
if (child_info->widget == child)
|
|
break;
|
|
|
|
if (child_info)
|
|
{
|
|
if (forced_break)
|
|
*forced_break = child_info->forced_break;
|
|
}
|
|
}
|
|
|
|
void
|
|
gtk_wrap_box_set_child_packing (GtkWrapBox *wbox,
|
|
GtkWidget *child,
|
|
gboolean hexpand,
|
|
gboolean hfill,
|
|
gboolean vexpand,
|
|
gboolean vfill)
|
|
{
|
|
GtkWrapBoxChild *child_info;
|
|
|
|
g_return_if_fail (GTK_IS_WRAP_BOX (wbox));
|
|
g_return_if_fail (GTK_IS_WIDGET (child));
|
|
|
|
hexpand = hexpand != FALSE;
|
|
hfill = hfill != FALSE;
|
|
vexpand = vexpand != FALSE;
|
|
vfill = vfill != FALSE;
|
|
|
|
for (child_info = wbox->children; child_info; child_info = child_info->next)
|
|
if (child_info->widget == child)
|
|
break;
|
|
|
|
if (child_info &&
|
|
(child_info->hexpand != hexpand || child_info->vexpand != vexpand ||
|
|
child_info->hfill != hfill || child_info->vfill != vfill))
|
|
{
|
|
child_info->hexpand = hexpand;
|
|
child_info->hfill = hfill;
|
|
child_info->vexpand = vexpand;
|
|
child_info->vfill = vfill;
|
|
|
|
if (GTK_WIDGET_VISIBLE (child) && GTK_WIDGET_VISIBLE (wbox))
|
|
gtk_widget_queue_resize (child);
|
|
}
|
|
}
|
|
|
|
void
|
|
gtk_wrap_box_set_child_forced_break (GtkWrapBox *wbox,
|
|
GtkWidget *child,
|
|
gboolean forced_break)
|
|
{
|
|
GtkWrapBoxChild *child_info;
|
|
|
|
g_return_if_fail (GTK_IS_WRAP_BOX (wbox));
|
|
g_return_if_fail (GTK_IS_WIDGET (child));
|
|
|
|
forced_break = forced_break != FALSE;
|
|
|
|
for (child_info = wbox->children; child_info; child_info = child_info->next)
|
|
if (child_info->widget == child)
|
|
break;
|
|
|
|
if (child_info &&
|
|
(child_info->forced_break != forced_break))
|
|
{
|
|
child_info->forced_break = forced_break;
|
|
|
|
if (GTK_WIDGET_VISIBLE (child) && GTK_WIDGET_VISIBLE (wbox))
|
|
gtk_widget_queue_resize (child);
|
|
}
|
|
}
|
|
|
|
guint*
|
|
gtk_wrap_box_query_line_lengths (GtkWrapBox *wbox,
|
|
guint *_n_lines)
|
|
{
|
|
GtkWrapBoxChild *next_child = NULL;
|
|
GtkAllocation area, *allocation;
|
|
gboolean expand_line;
|
|
GSList *slist;
|
|
guint max_child_size, border, n_lines = 0, *lines = NULL;
|
|
|
|
if (_n_lines)
|
|
*_n_lines = 0;
|
|
g_return_val_if_fail (GTK_IS_WRAP_BOX (wbox), NULL);
|
|
|
|
allocation = >K_WIDGET (wbox)->allocation;
|
|
border = GTK_CONTAINER (wbox)->border_width;
|
|
area.x = allocation->x + border;
|
|
area.y = allocation->y + border;
|
|
area.width = MAX (1, (gint) allocation->width - border * 2);
|
|
area.height = MAX (1, (gint) allocation->height - border * 2);
|
|
|
|
next_child = wbox->children;
|
|
slist = GTK_WRAP_BOX_GET_CLASS (wbox)->rlist_line_children (wbox,
|
|
&next_child,
|
|
&area,
|
|
&max_child_size,
|
|
&expand_line);
|
|
while (slist)
|
|
{
|
|
guint l = n_lines++;
|
|
|
|
lines = g_renew (guint, lines, n_lines);
|
|
lines[l] = g_slist_length (slist);
|
|
g_slist_free (slist);
|
|
|
|
slist = GTK_WRAP_BOX_GET_CLASS (wbox)->rlist_line_children (wbox,
|
|
&next_child,
|
|
&area,
|
|
&max_child_size,
|
|
&expand_line);
|
|
}
|
|
|
|
if (_n_lines)
|
|
*_n_lines = n_lines;
|
|
|
|
return lines;
|
|
}
|
|
|
|
static void
|
|
gtk_wrap_box_map (GtkWidget *widget)
|
|
{
|
|
GtkWrapBox *wbox = GTK_WRAP_BOX (widget);
|
|
GtkWrapBoxChild *child;
|
|
|
|
GTK_WIDGET_SET_FLAGS (wbox, GTK_MAPPED);
|
|
|
|
for (child = wbox->children; child; child = child->next)
|
|
if (GTK_WIDGET_VISIBLE (child->widget) &&
|
|
!GTK_WIDGET_MAPPED (child->widget))
|
|
gtk_widget_map (child->widget);
|
|
}
|
|
|
|
static void
|
|
gtk_wrap_box_unmap (GtkWidget *widget)
|
|
{
|
|
GtkWrapBox *wbox = GTK_WRAP_BOX (widget);
|
|
GtkWrapBoxChild *child;
|
|
|
|
GTK_WIDGET_UNSET_FLAGS (wbox, GTK_MAPPED);
|
|
|
|
for (child = wbox->children; child; child = child->next)
|
|
if (GTK_WIDGET_VISIBLE (child->widget) &&
|
|
GTK_WIDGET_MAPPED (child->widget))
|
|
gtk_widget_unmap (child->widget);
|
|
}
|
|
|
|
static void
|
|
gtk_wrap_box_draw (GtkWidget *widget,
|
|
GdkRectangle *area)
|
|
{
|
|
GtkWrapBox *wbox = GTK_WRAP_BOX (widget);
|
|
GtkWrapBoxChild *child;
|
|
GdkRectangle child_area;
|
|
|
|
if (GTK_WIDGET_DRAWABLE (widget))
|
|
for (child = wbox->children; child; child = child->next)
|
|
if (GTK_WIDGET_DRAWABLE (child->widget) &&
|
|
gtk_widget_intersect (child->widget, area, &child_area))
|
|
gtk_widget_draw (child->widget, &child_area);
|
|
}
|
|
|
|
static gint
|
|
gtk_wrap_box_expose (GtkWidget *widget,
|
|
GdkEventExpose *event)
|
|
{
|
|
GtkWrapBox *wbox = GTK_WRAP_BOX (widget);
|
|
GtkWrapBoxChild *child;
|
|
GdkEventExpose child_event = *event;
|
|
|
|
g_return_val_if_fail (event != NULL, FALSE);
|
|
|
|
if (GTK_WIDGET_DRAWABLE (widget))
|
|
for (child = wbox->children; child; child = child->next)
|
|
if (GTK_WIDGET_DRAWABLE (child->widget) &&
|
|
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 TRUE;
|
|
}
|
|
|
|
static void
|
|
gtk_wrap_box_add (GtkContainer *container,
|
|
GtkWidget *widget)
|
|
{
|
|
gtk_wrap_box_pack (GTK_WRAP_BOX (container), widget, FALSE, TRUE, FALSE, TRUE);
|
|
}
|
|
|
|
static void
|
|
gtk_wrap_box_remove (GtkContainer *container,
|
|
GtkWidget *widget)
|
|
{
|
|
GtkWrapBox *wbox = GTK_WRAP_BOX (container);
|
|
GtkWrapBoxChild *child, *last = NULL;
|
|
|
|
child = wbox->children;
|
|
while (child)
|
|
{
|
|
if (child->widget == widget)
|
|
{
|
|
gboolean was_visible;
|
|
|
|
was_visible = GTK_WIDGET_VISIBLE (widget);
|
|
gtk_widget_unparent (widget);
|
|
|
|
if (last)
|
|
last->next = child->next;
|
|
else
|
|
wbox->children = child->next;
|
|
g_free (child);
|
|
wbox->n_children--;
|
|
|
|
if (was_visible)
|
|
gtk_widget_queue_resize (GTK_WIDGET (container));
|
|
|
|
break;
|
|
}
|
|
|
|
last = child;
|
|
child = last->next;
|
|
}
|
|
}
|
|
|
|
static void
|
|
gtk_wrap_box_forall (GtkContainer *container,
|
|
gboolean include_internals,
|
|
GtkCallback callback,
|
|
gpointer callback_data)
|
|
{
|
|
GtkWrapBox *wbox = GTK_WRAP_BOX (container);
|
|
GtkWrapBoxChild *child;
|
|
|
|
child = wbox->children;
|
|
while (child)
|
|
{
|
|
GtkWidget *widget = child->widget;
|
|
|
|
child = child->next;
|
|
|
|
callback (widget, callback_data);
|
|
}
|
|
}
|