diff options
Diffstat (limited to 'libowl')
| -rw-r--r-- | libowl/Makefile.am | 15 | ||||
| -rw-r--r-- | libowl/owlpaned.c | 349 | ||||
| -rw-r--r-- | libowl/owlpaned.h | 60 | ||||
| -rw-r--r-- | libowl/owltreemodelslice.c | 280 | ||||
| -rw-r--r-- | libowl/owltreemodelslice.h | 71 |
5 files changed, 775 insertions, 0 deletions
diff --git a/libowl/Makefile.am b/libowl/Makefile.am new file mode 100644 index 0000000..2386425 --- /dev/null +++ b/libowl/Makefile.am @@ -0,0 +1,15 @@ +libowlinclude_HEADERS = \ + owlpaned.h \ + owltreemodelslice.h + +libowlincludedir = $(includedir)/libowl/ + +lib_LTLIBRARIES = libowl.la + +libowl_la_SOURCES = \ + $(libowlinclude_HEADERS) \ + owlpaned.c \ + owltreemodelslice.c + +libowl_la_CPPFLAGS = $(GTK_CFLAGS) -Wall +libowl_la_LIBADD = $(GTK_LIBS) diff --git a/libowl/owlpaned.c b/libowl/owlpaned.c new file mode 100644 index 0000000..3a6d8c8 --- /dev/null +++ b/libowl/owlpaned.c @@ -0,0 +1,349 @@ +/* GTK - The GIMP Toolkit + * Copyright (C) 1995-1997 Peter Mattis, Spencer Kimball and Josh MacDonald + * + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser 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 + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser 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. + */ + +/* + * Modified by the GTK+ Team and others 1997-2000. See the AUTHORS + * file for a list of people on the GTK+ Team. See the ChangeLog + * files for a list of changes. These files are distributed with + * GTK+ at ftp://ftp.gtk.org/pub/gtk/. + */ + +#include "owlpaned.h" + +static void owl_paned_class_init (OwlPanedClass *klass); +static void owl_paned_init (OwlPaned *paned); +static void owl_paned_size_request (GtkWidget *widget, + GtkRequisition *requisition); +static void owl_paned_size_allocate_h (GtkWidget *widget, + GtkAllocation *allocation); +static void owl_paned_size_allocate_v (GtkWidget *widget, + GtkAllocation *allocation); + +G_DEFINE_TYPE(OwlPaned, owl_paned, GTK_TYPE_PANED); + +static void +owl_paned_class_init (OwlPanedClass *class) +{ + GtkWidgetClass *widget_class; + + widget_class = (GtkWidgetClass *) class; + + widget_class->size_request = owl_paned_size_request; + /* Default to horizontal */ + widget_class->size_allocate = owl_paned_size_allocate_h; +} + +static void +owl_paned_init (OwlPaned *owlpaned) +{ + GtkPaned *paned; + + g_return_if_fail (OWL_IS_PANED (owlpaned)); + + paned = GTK_PANED (owlpaned); + + paned->cursor_type = GDK_SB_H_DOUBLE_ARROW; + /* The orientation specified the orientation of the separator. */ + paned->orientation = GTK_ORIENTATION_VERTICAL; +} + +GtkWidget * +owl_paned_new (void) +{ + OwlPaned *paned; + + paned = g_object_new (OWL_TYPE_PANED, NULL); + + return GTK_WIDGET (paned); +} + +static GtkOrientation +get_orientation (GtkAllocation *allocation) +{ + g_assert (allocation); + + if (allocation->width >= allocation->height) + return GTK_ORIENTATION_VERTICAL; + else + return GTK_ORIENTATION_HORIZONTAL; +} + +static void +owl_paned_size_request (GtkWidget *widget, + GtkRequisition *requisition) +{ + GtkPaned *paned = GTK_PANED (widget); + GtkRequisition child_requisition; + + requisition->width = 0; + requisition->height = 0; + + if (paned->child1 && GTK_WIDGET_VISIBLE (paned->child1)) + { + gtk_widget_size_request (paned->child1, &child_requisition); + + requisition->height = child_requisition.height; + requisition->width = child_requisition.width; + } + + if (paned->child2 && GTK_WIDGET_VISIBLE (paned->child2)) + { + gtk_widget_size_request (paned->child2, &child_requisition); + + if (paned->orientation == GTK_ORIENTATION_VERTICAL) { + requisition->height = MAX(requisition->height, child_requisition.height); + requisition->width += child_requisition.width; + } else { + requisition->height += child_requisition.height; + requisition->width = MAX (requisition->width, child_requisition.width); + } + } + + requisition->width += GTK_CONTAINER (paned)->border_width * 2; + requisition->height += GTK_CONTAINER (paned)->border_width * 2; + + if (paned->child1 && GTK_WIDGET_VISIBLE (paned->child1) && + paned->child2 && GTK_WIDGET_VISIBLE (paned->child2)) + { + gint handle_size; + + gtk_widget_style_get (widget, "handle-size", &handle_size, NULL); + if (paned->orientation == GTK_ORIENTATION_VERTICAL) { + requisition->width += handle_size; + } else { + requisition->height += handle_size; + } + } +} + +static void +flip_child (GtkWidget *widget, GtkAllocation *child_pos) +{ + gint x = widget->allocation.x; + gint width = widget->allocation.width; + + child_pos->x = 2 * x + width - child_pos->x - child_pos->width; +} + +static void +owl_paned_size_allocate_h (GtkWidget *widget, + GtkAllocation *allocation) +{ + GtkPaned *paned = GTK_PANED (widget); + gint border_width = GTK_CONTAINER (paned)->border_width; + + if (get_orientation (allocation) != GTK_ORIENTATION_VERTICAL) { + GtkWidgetClass *widget_class = GTK_WIDGET_GET_CLASS (widget); + widget_class->size_allocate = owl_paned_size_allocate_v; + owl_paned_size_allocate_v (widget, allocation); + return; + } + + widget->allocation = *allocation; + + if (paned->child1 && GTK_WIDGET_VISIBLE (paned->child1) && + paned->child2 && GTK_WIDGET_VISIBLE (paned->child2)) + { + GtkAllocation child1_allocation; + GtkAllocation child2_allocation; + GtkRequisition child1_requisition; + GtkRequisition child2_requisition; + gint handle_size; + + gtk_widget_style_get (widget, "handle-size", &handle_size, NULL); + + gtk_widget_get_child_requisition (paned->child1, &child1_requisition); + gtk_widget_get_child_requisition (paned->child2, &child2_requisition); + + gtk_paned_compute_position (paned, + MAX (1, widget->allocation.width + - handle_size + - 2 * border_width), + child1_requisition.width, + child2_requisition.width); + + paned->handle_pos.x = widget->allocation.x + paned->child1_size + border_width; + paned->handle_pos.y = widget->allocation.y + border_width; + paned->handle_pos.width = handle_size; + paned->handle_pos.height = MAX (1, widget->allocation.height - 2 * border_width); + + child1_allocation.height = child2_allocation.height = MAX (1, (gint) allocation->height - border_width * 2); + child1_allocation.width = MAX (1, paned->child1_size); + child1_allocation.x = widget->allocation.x + border_width; + child1_allocation.y = child2_allocation.y = widget->allocation.y + border_width; + + child2_allocation.x = child1_allocation.x + paned->child1_size + paned->handle_pos.width; + child2_allocation.width = MAX (1, widget->allocation.x + widget->allocation.width - child2_allocation.x - border_width); + + if (gtk_widget_get_direction (GTK_WIDGET (widget)) == GTK_TEXT_DIR_RTL) + { + flip_child (widget, &(child2_allocation)); + flip_child (widget, &(child1_allocation)); + flip_child (widget, &(paned->handle_pos)); + } + + if (GTK_WIDGET_REALIZED (widget)) + { + if (GTK_WIDGET_MAPPED (widget)) + gdk_window_show (paned->handle); + gdk_window_move_resize (paned->handle, + paned->handle_pos.x, + paned->handle_pos.y, + handle_size, + paned->handle_pos.height); + } + + /* Now allocate the childen, making sure, when resizing not to + * overlap the windows + */ + if (GTK_WIDGET_MAPPED (widget) && + paned->child1->allocation.width < child1_allocation.width) + { + gtk_widget_size_allocate (paned->child2, &child2_allocation); + gtk_widget_size_allocate (paned->child1, &child1_allocation); + } + else + { + gtk_widget_size_allocate (paned->child1, &child1_allocation); + gtk_widget_size_allocate (paned->child2, &child2_allocation); + } + } + else + { + GtkAllocation child_allocation; + + if (GTK_WIDGET_REALIZED (widget)) + gdk_window_hide (paned->handle); + + if (paned->child1) + gtk_widget_set_child_visible (paned->child1, TRUE); + if (paned->child2) + gtk_widget_set_child_visible (paned->child2, TRUE); + + child_allocation.x = widget->allocation.x + border_width; + child_allocation.y = widget->allocation.y + border_width; + child_allocation.width = MAX (1, allocation->width - 2 * border_width); + child_allocation.height = MAX (1, allocation->height - 2 * border_width); + + if (paned->child1 && GTK_WIDGET_VISIBLE (paned->child1)) + gtk_widget_size_allocate (paned->child1, &child_allocation); + else if (paned->child2 && GTK_WIDGET_VISIBLE (paned->child2)) + gtk_widget_size_allocate (paned->child2, &child_allocation); + } +} + +static void +owl_paned_size_allocate_v (GtkWidget *widget, + GtkAllocation *allocation) +{ + GtkPaned *paned = GTK_PANED (widget); + gint border_width = GTK_CONTAINER (paned)->border_width; + + if (get_orientation (allocation) != GTK_ORIENTATION_HORIZONTAL) { + GtkWidgetClass *widget_class = GTK_WIDGET_GET_CLASS (widget); + widget_class->size_allocate = owl_paned_size_allocate_h; + owl_paned_size_allocate_h (widget, allocation); + return; + } + + widget->allocation = *allocation; + + if (paned->child1 && GTK_WIDGET_VISIBLE (paned->child1) && + paned->child2 && GTK_WIDGET_VISIBLE (paned->child2)) + { + GtkRequisition child1_requisition; + GtkRequisition child2_requisition; + GtkAllocation child1_allocation; + GtkAllocation child2_allocation; + gint handle_size; + + gtk_widget_style_get (widget, "handle-size", &handle_size, NULL); + + gtk_widget_get_child_requisition (paned->child1, &child1_requisition); + gtk_widget_get_child_requisition (paned->child2, &child2_requisition); + + gtk_paned_compute_position (paned, + MAX (1, widget->allocation.height + - handle_size + - 2 * border_width), + child1_requisition.height, + child2_requisition.height); + + paned->handle_pos.x = widget->allocation.x + border_width; + paned->handle_pos.y = widget->allocation.y + paned->child1_size + border_width; + paned->handle_pos.width = MAX (1, (gint) widget->allocation.width - 2 * border_width); + paned->handle_pos.height = handle_size; + + if (GTK_WIDGET_REALIZED (widget)) + { + if (GTK_WIDGET_MAPPED (widget)) + gdk_window_show (paned->handle); + gdk_window_move_resize (paned->handle, + paned->handle_pos.x, + paned->handle_pos.y, + paned->handle_pos.width, + handle_size); + } + + child1_allocation.width = child2_allocation.width = MAX (1, (gint) allocation->width - border_width * 2); + child1_allocation.height = MAX (1, paned->child1_size); + child1_allocation.x = child2_allocation.x = widget->allocation.x + border_width; + child1_allocation.y = widget->allocation.y + border_width; + + child2_allocation.y = child1_allocation.y + paned->child1_size + paned->handle_pos.height; + child2_allocation.height = MAX (1, widget->allocation.y + widget->allocation.height - child2_allocation.y - border_width); + + /* Now allocate the childen, making sure, when resizing not to + * overlap the windows + */ + if (GTK_WIDGET_MAPPED (widget) && + paned->child1->allocation.height < child1_allocation.height) + { + gtk_widget_size_allocate (paned->child2, &child2_allocation); + gtk_widget_size_allocate (paned->child1, &child1_allocation); + } + else + { + gtk_widget_size_allocate (paned->child1, &child1_allocation); + gtk_widget_size_allocate (paned->child2, &child2_allocation); + } + } + else + { + GtkAllocation child_allocation; + + if (GTK_WIDGET_REALIZED (widget)) + gdk_window_hide (paned->handle); + + if (paned->child1) + gtk_widget_set_child_visible (paned->child1, TRUE); + if (paned->child2) + gtk_widget_set_child_visible (paned->child2, TRUE); + + child_allocation.x = widget->allocation.x + border_width; + child_allocation.y = widget->allocation.y + border_width; + child_allocation.width = MAX (1, allocation->width - 2 * border_width); + child_allocation.height = MAX (1, allocation->height - 2 * border_width); + + if (paned->child1 && GTK_WIDGET_VISIBLE (paned->child1)) + gtk_widget_size_allocate (paned->child1, &child_allocation); + else if (paned->child2 && GTK_WIDGET_VISIBLE (paned->child2)) + gtk_widget_size_allocate (paned->child2, &child_allocation); + } +} diff --git a/libowl/owlpaned.h b/libowl/owlpaned.h new file mode 100644 index 0000000..b7bc7ea --- /dev/null +++ b/libowl/owlpaned.h @@ -0,0 +1,60 @@ +/* GTK - The GIMP Toolkit + * Copyright (C) 1995-1997 Peter Mattis, Spencer Kimball and Josh MacDonald + * + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser 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 + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser 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. + */ + +/* + * Modified by the GTK+ Team and others 1997-2000. See the AUTHORS + * file for a list of people on the GTK+ Team. See the ChangeLog + * files for a list of changes. These files are distributed with + * GTK+ at ftp://ftp.gtk.org/pub/gtk/. + */ + +#ifndef __OWL_PANED_H__ +#define __OWL_PANED_H__ + +#include <gtk/gtkpaned.h> + +G_BEGIN_DECLS + +#define OWL_TYPE_PANED (owl_paned_get_type ()) +#define OWL_PANED(obj) (G_TYPE_CHECK_INSTANCE_CAST ((obj), OWL_TYPE_PANED, OwlPaned)) +#define OWL_PANED_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST ((klass), OWL_TYPE_PANED, OwlPanedClass)) +#define OWL_IS_PANED(obj) (G_TYPE_CHECK_INSTANCE_TYPE ((obj), OWL_TYPE_PANED)) +#define OWL_IS_PANED_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), OWL_TYPE_PANED)) +#define OWL_PANED_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS ((obj), OWL_TYPE_PANED, OwlPanedClass)) + + +typedef struct _OwlPaned OwlPaned; +typedef struct _OwlPanedClass OwlPanedClass; + +struct _OwlPaned +{ + GtkPaned paned; +}; + +struct _OwlPanedClass +{ + GtkPanedClass parent_class; +}; + +GType owl_paned_get_type (void) G_GNUC_CONST; +GtkWidget *owl_paned_new (void); + +G_END_DECLS + +#endif /* __OWL_PANED_H__ */ diff --git a/libowl/owltreemodelslice.c b/libowl/owltreemodelslice.c new file mode 100644 index 0000000..356683f --- /dev/null +++ b/libowl/owltreemodelslice.c @@ -0,0 +1,280 @@ +#include <gtk/gtk.h> + +#include "owltreemodelslice.h" + +struct _OwlTreeModelSlicePrivate { + GtkTreeModel *child_model; + GtkTreePath *root; +}; + +#define OWL_TREE_MODEL_SLICE_GET_PRIVATE(obj) (G_TYPE_INSTANCE_GET_PRIVATE ((obj), OWL_TYPE_TREE_MODEL_SLICE, OwlTreeModelSlicePrivate)) + +static void owl_tree_model_slice_tree_model_init (GtkTreeModelIface *iface); + +/* + * Implementation prototypes + */ + +static GtkTreeModelFlags owl_tree_model_slice_get_flags (GtkTreeModel *model); +static gint owl_tree_model_slice_get_n_columns (GtkTreeModel *model); +static GType owl_tree_model_slice_get_column_type (GtkTreeModel *model, gint index); +static gboolean owl_tree_model_slice_get_iter (GtkTreeModel *model, GtkTreeIter *iter, GtkTreePath *path); +// TODO get_path +static void owl_tree_model_slice_get_value (GtkTreeModel *tree_model, GtkTreeIter *iter, gint column, GValue *value); +static gboolean owl_tree_model_slice_iter_next (GtkTreeModel *tree_model, GtkTreeIter *iter); +static gboolean owl_tree_model_slice_iter_children (GtkTreeModel *model, GtkTreeIter *iter, GtkTreeIter *parent); +static gboolean owl_tree_model_slice_iter_has_child (GtkTreeModel *model, GtkTreeIter *iter); +static gint owl_tree_model_slice_iter_n_children (GtkTreeModel *model, GtkTreeIter *iter); +static gboolean owl_tree_model_slice_iter_nth_child (GtkTreeModel *model, GtkTreeIter *iter, GtkTreeIter *parent, gint n); +static gboolean owl_tree_model_slice_iter_parent (GtkTreeModel *model, GtkTreeIter *iter, GtkTreeIter *child); +// TODO ref node +// TODO unref node + +G_DEFINE_TYPE_EXTENDED (OwlTreeModelSlice, + owl_tree_model_slice, + G_TYPE_OBJECT, + 0, + G_IMPLEMENT_INTERFACE (GTK_TYPE_TREE_MODEL, + owl_tree_model_slice_tree_model_init)); + +static void +owl_tree_model_slice_init (OwlTreeModelSlice *slice) +{ + slice->priv = OWL_TREE_MODEL_SLICE_GET_PRIVATE (slice); +} + +static void +owl_tree_model_slice_class_init (OwlTreeModelSliceClass *klass) +{ + g_type_class_add_private (G_OBJECT_CLASS (klass), sizeof (OwlTreeModelSlicePrivate)); +} + +static void +owl_tree_model_slice_tree_model_init (GtkTreeModelIface *iface) +{ + iface->get_flags = owl_tree_model_slice_get_flags; + iface->get_n_columns = owl_tree_model_slice_get_n_columns; + iface->get_column_type = owl_tree_model_slice_get_column_type; + iface->get_iter = owl_tree_model_slice_get_iter; + //iface->get_path = owl_tree_model_slice_get_path; + iface->get_value = owl_tree_model_slice_get_value; + iface->iter_next = owl_tree_model_slice_iter_next; + iface->iter_children = owl_tree_model_slice_iter_children; + iface->iter_has_child = owl_tree_model_slice_iter_has_child; + iface->iter_n_children = owl_tree_model_slice_iter_n_children; + iface->iter_nth_child = owl_tree_model_slice_iter_nth_child; + iface->iter_parent = owl_tree_model_slice_iter_parent; + // iface->ref_node = owl_tree_model_slice_ref_node; + // iface->unref_node = owl_tree_model_slice_unref_node; +} + +static GtkTreeModelFlags +owl_tree_model_slice_get_flags (GtkTreeModel *model) +{ + OwlTreeModelSlice *slice = OWL_TREE_MODEL_SLICE (model); + + g_return_val_if_fail (slice != NULL, 0); + g_return_val_if_fail (slice->priv->child_model != NULL, 0); + + return gtk_tree_model_get_flags (slice->priv->child_model) | GTK_TREE_MODEL_LIST_ONLY; +} + +static gint +owl_tree_model_slice_get_n_columns (GtkTreeModel *model) +{ + OwlTreeModelSlice *slice = OWL_TREE_MODEL_SLICE (model); + + g_return_val_if_fail (slice != NULL, 0); + g_return_val_if_fail (slice->priv->child_model != NULL, 0); + + return gtk_tree_model_get_n_columns (slice->priv->child_model); +} + +static GType +owl_tree_model_slice_get_column_type (GtkTreeModel *model, gint index) +{ + OwlTreeModelSlice *slice = OWL_TREE_MODEL_SLICE (model); + + g_return_val_if_fail (slice != NULL, G_TYPE_INVALID); + g_return_val_if_fail (slice->priv->child_model != NULL, G_TYPE_INVALID); + + return gtk_tree_model_get_column_type (slice->priv->child_model, index); +} + +static GtkTreePath* +convert_to_child (OwlTreeModelSlice *slice, GtkTreePath *path) +{ + GtkTreePath *new_path; + gint depth; + gint *indices; + + g_assert (slice); + g_assert (path); + + if (slice->priv->root == NULL) + return path; + + new_path = gtk_tree_path_copy (slice->priv->root); + depth = gtk_tree_path_get_depth (path); + indices = gtk_tree_path_get_indices (path); + while (depth--) + gtk_tree_path_append_index (new_path, *indices++); + return new_path; +} + +static gboolean +owl_tree_model_slice_get_iter (GtkTreeModel *model, + GtkTreeIter *iter, + GtkTreePath *path) +{ + OwlTreeModelSlice *slice = OWL_TREE_MODEL_SLICE (model); + GtkTreePath *new_path; + + g_return_val_if_fail (slice != NULL, FALSE); + g_return_val_if_fail (slice->priv->child_model != NULL, FALSE); + + new_path = convert_to_child (slice, path); + + return gtk_tree_model_get_iter (slice->priv->child_model, iter, new_path); +} + +static void +owl_tree_model_slice_get_value (GtkTreeModel *model, + GtkTreeIter *iter, + gint column, + GValue *value) +{ + OwlTreeModelSlice *slice = OWL_TREE_MODEL_SLICE (model); + + g_return_if_fail (slice != NULL); + g_return_if_fail (slice->priv->child_model != NULL); + + gtk_tree_model_get_value (slice->priv->child_model, iter, column, value); +} + +static gboolean +owl_tree_model_slice_iter_next (GtkTreeModel *model, + GtkTreeIter *iter) +{ + OwlTreeModelSlice *slice = OWL_TREE_MODEL_SLICE (model); + + g_return_val_if_fail (slice != NULL, FALSE); + g_return_val_if_fail (slice->priv->child_model != NULL, FALSE); + + return gtk_tree_model_iter_next (slice->priv->child_model, iter); +} + +static gboolean +owl_tree_model_slice_iter_children (GtkTreeModel *model, + GtkTreeIter *iter, + GtkTreeIter *parent) +{ + OwlTreeModelSlice *slice = OWL_TREE_MODEL_SLICE (model); + + g_return_val_if_fail (slice != NULL, FALSE); + g_return_val_if_fail (slice->priv->child_model != NULL, FALSE); + + if (parent == NULL) + return gtk_tree_model_get_iter_first (model, iter); + else + return FALSE; +} + +static gboolean +owl_tree_model_slice_iter_has_child (GtkTreeModel *model, + GtkTreeIter *iter) +{ + OwlTreeModelSlice *slice = OWL_TREE_MODEL_SLICE (model); + + g_return_val_if_fail (slice != NULL, FALSE); + g_return_val_if_fail (slice->priv->child_model != NULL, FALSE); + + return FALSE; +} + +static gint +owl_tree_model_slice_iter_n_children (GtkTreeModel *model, + GtkTreeIter *iter) +{ + OwlTreeModelSlice *slice = OWL_TREE_MODEL_SLICE (model); + + g_return_val_if_fail (slice != NULL, 0); + g_return_val_if_fail (slice->priv->child_model != NULL, 0); + + if (iter) { + return 0; + } else { + GtkTreeIter child_iter; + if (!gtk_tree_model_get_iter (slice->priv->child_model, &child_iter, slice->priv->root)) { + g_warning ("Cannot get child iterator"); + return 0; + } + return gtk_tree_model_iter_n_children (slice->priv->child_model, &child_iter); + } +} + + +static gboolean +owl_tree_model_slice_iter_nth_child (GtkTreeModel *model, + GtkTreeIter *iter, + GtkTreeIter *parent, + gint n) +{ + OwlTreeModelSlice *slice = OWL_TREE_MODEL_SLICE (model); + + g_return_val_if_fail (slice != NULL, FALSE); + g_return_val_if_fail (slice->priv->child_model != NULL, FALSE); + + if (parent != NULL) + return FALSE; + else + return gtk_tree_model_iter_nth_child (slice->priv->child_model, iter, parent, n); +} + +static gboolean +owl_tree_model_slice_iter_parent (GtkTreeModel *model, GtkTreeIter *iter, GtkTreeIter *child) +{ + OwlTreeModelSlice *slice = OWL_TREE_MODEL_SLICE (model); + + g_return_val_if_fail (slice != NULL, FALSE); + g_return_val_if_fail (slice->priv->child_model != NULL, FALSE); + + return FALSE; +} + +GtkTreeModel * +owl_tree_model_slice_new (GtkTreeModel *child_model, + GtkTreePath *root) +{ + OwlTreeModelSlice *slice; + + g_return_val_if_fail (child_model != NULL, NULL); + + slice = g_object_new (OWL_TYPE_TREE_MODEL_SLICE, NULL); + + slice->priv->child_model = child_model; + slice->priv->root = root; + + return (GtkTreeModel *)slice; +} + +GtkTreeModel * +gtk_tree_model_slice_get_model (OwlTreeModelSlice *slice) +{ + g_return_val_if_fail (OWL_IS_TREE_MODEL_SLICE (slice), NULL); + + return slice->priv->child_model; +} + + +/* TODO */ +void owl_tree_model_slice_convert_child_iter_to_iter (OwlTreeModelSlice *slice, + GtkTreeIter *slice_iter, + GtkTreeIter *child_iter); +void owl_tree_model_slice_convert_iter_to_child_iter (OwlTreeModelSlice *slice, + GtkTreeIter *child_iter, + GtkTreeIter *slice_iter); +GtkTreePath *owl_tree_model_slice_convert_child_path_to_path (OwlTreeModelSlice *slice, + GtkTreePath *child_path); +GtkTreePath *owl_tree_model_slice_convert_path_to_child_path (OwlTreeModelSlice *slice, + GtkTreePath *slice_path); diff --git a/libowl/owltreemodelslice.h b/libowl/owltreemodelslice.h new file mode 100644 index 0000000..5564503 --- /dev/null +++ b/libowl/owltreemodelslice.h @@ -0,0 +1,71 @@ +/* + * Copyright (C) 2006 Ross Burton <ross@openedhand.com> + * + * 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. + */ + +#ifndef __OWL_TREE_MODEL_SLICE_H__ +#define __OWL_TREE_MODEL_SLICE_H__ + +#include <gtk/gtktreemodel.h> + +G_BEGIN_DECLS + +#define OWL_TYPE_TREE_MODEL_SLICE (owl_tree_model_slice_get_type ()) +#define OWL_TREE_MODEL_SLICE(obj) (G_TYPE_CHECK_INSTANCE_CAST ((obj), OWL_TYPE_TREE_MODEL_SLICE, OwlTreeModelSlice)) +#define OWL_TREE_MODEL_SLICE_CLASS(vtable) (G_TYPE_CHECK_CLASS_CAST ((vtable), OWL_TYPE_TREE_MODEL_SLICE, OwlTreeModelSliceClass)) +#define OWL_IS_TREE_MODEL_SLICE(obj) (G_TYPE_CHECK_INSTANCE_TYPE ((obj), OWL_TYPE_TREE_MODEL_SLICE)) +#define OWL_IS_TREE_MODEL_SLICE_CLASS(vtable) (G_TYPE_CHECK_CLASS_TYPE ((vtable), OWL_TYPE_TREE_MODEL_SLICE)) +#define OWL_TREE_MODEL_SLICE_GET_CLASS(inst) (G_TYPE_INSTANCE_GET_CLASS ((obj), OWL_TYPE_TREE_MODEL_SLICE, OwlTreeModelSliceClass)) + +typedef struct _OwlTreeModelSlice OwlTreeModelSlice; +typedef struct _OwlTreeModelSliceClass OwlTreeModelSliceClass; +typedef struct _OwlTreeModelSlicePrivate OwlTreeModelSlicePrivate; + +struct _OwlTreeModelSlice +{ + GObject parent; + + /*< private >*/ + OwlTreeModelSlicePrivate *priv; +}; + +struct _OwlTreeModelSliceClass +{ + GObjectClass parent_class; +}; + +GType owl_tree_model_slice_get_type (void) G_GNUC_CONST; +GtkTreeModel *owl_tree_model_slice_new (GtkTreeModel *child_model, + GtkTreePath *root); + +GtkTreeModel *gtk_tree_model_slice_get_model (OwlTreeModelSlice *slice); + +/* TODO */ +void owl_tree_model_slice_convert_child_iter_to_iter (OwlTreeModelSlice *slice, + GtkTreeIter *slice_iter, + GtkTreeIter *child_iter); +void owl_tree_model_slice_convert_iter_to_child_iter (OwlTreeModelSlice *slice, + GtkTreeIter *child_iter, + GtkTreeIter *slice_iter); +GtkTreePath *owl_tree_model_slice_convert_child_path_to_path (OwlTreeModelSlice *slice, + GtkTreePath *child_path); +GtkTreePath *owl_tree_model_slice_convert_path_to_child_path (OwlTreeModelSlice *slice, + GtkTreePath *slice_path); + +G_END_DECLS + +#endif /* __OWL_TREE_MODEL_SLICE_H__ */ |