+++ /dev/null
-/* PSPPIRE - a graphical user interface for PSPP.
- Copyright (C) 2011, 2012 Free Software Foundation, Inc.
-
- This program is free software: you can redistribute it and/or modify
- it under the terms of the GNU General Public License as published by
- the Free Software Foundation, either version 3 of the License, or
- (at your option) any later version.
-
- This program 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 General Public License for more details.
-
- You should have received a copy of the GNU General Public License
- along with this program. If not, see <http://www.gnu.org/licenses/>. */
-
-/* gtktreeselection.h
- * Copyright (C) 2000 Red Hat, Inc., Jonathan Blandford <jrb@redhat.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.
- */
-
-#include <config.h>
-
-#include "ui/gui/pspp-sheet-private.h"
-
-#include <gtk/gtk.h>
-#include <string.h>
-
-#include "ui/gui/pspp-sheet-selection.h"
-
-#include "libpspp/range-set.h"
-
-static void pspp_sheet_selection_finalize (GObject *object);
-static gint pspp_sheet_selection_real_select_all (PsppSheetSelection *selection);
-static gint pspp_sheet_selection_real_unselect_all (PsppSheetSelection *selection);
-static gint pspp_sheet_selection_real_select_node (PsppSheetSelection *selection,
- int node,
- gboolean select);
-
-enum
-{
- CHANGED,
- LAST_SIGNAL
-};
-
-static guint tree_selection_signals [LAST_SIGNAL] = { 0 };
-
-G_DEFINE_TYPE (PsppSheetSelection, pspp_sheet_selection, G_TYPE_OBJECT)
-
-static void
-pspp_sheet_selection_class_init (PsppSheetSelectionClass *class)
-{
- GObjectClass *object_class;
-
- object_class = (GObjectClass*) class;
-
- object_class->finalize = pspp_sheet_selection_finalize;
- class->changed = NULL;
-
- tree_selection_signals[CHANGED] =
- g_signal_new ("changed",
- G_OBJECT_CLASS_TYPE (object_class),
- G_SIGNAL_RUN_FIRST,
- G_STRUCT_OFFSET (PsppSheetSelectionClass, changed),
- NULL, NULL,
- g_cclosure_marshal_VOID__VOID,
- G_TYPE_NONE, 0);
-}
-
-static void
-pspp_sheet_selection_init (PsppSheetSelection *selection)
-{
- selection->type = PSPP_SHEET_SELECTION_SINGLE;
-}
-
-static void
-pspp_sheet_selection_finalize (GObject *object)
-{
- G_OBJECT_CLASS (pspp_sheet_selection_parent_class)->finalize (object);
-}
-
-/**
- * _pspp_sheet_selection_new:
- *
- * Creates a new #PsppSheetSelection object. This function should not be invoked,
- * as each #PsppSheetView will create its own #PsppSheetSelection.
- *
- * Return value: A newly created #PsppSheetSelection object.
- **/
-PsppSheetSelection*
-_pspp_sheet_selection_new (void)
-{
- PsppSheetSelection *selection;
-
- selection = g_object_new (PSPP_TYPE_SHEET_SELECTION, NULL);
-
- return selection;
-}
-
-/**
- * _pspp_sheet_selection_new_with_tree_view:
- * @tree_view: The #PsppSheetView.
- *
- * Creates a new #PsppSheetSelection object. This function should not be invoked,
- * as each #PsppSheetView will create its own #PsppSheetSelection.
- *
- * Return value: A newly created #PsppSheetSelection object.
- **/
-PsppSheetSelection*
-_pspp_sheet_selection_new_with_tree_view (PsppSheetView *tree_view)
-{
- PsppSheetSelection *selection;
-
- g_return_val_if_fail (PSPP_IS_SHEET_VIEW (tree_view), NULL);
-
- selection = _pspp_sheet_selection_new ();
- _pspp_sheet_selection_set_tree_view (selection, tree_view);
-
- return selection;
-}
-
-/**
- * _pspp_sheet_selection_set_tree_view:
- * @selection: A #PsppSheetSelection.
- * @tree_view: The #PsppSheetView.
- *
- * Sets the #PsppSheetView of @selection. This function should not be invoked, as
- * it is used internally by #PsppSheetView.
- **/
-void
-_pspp_sheet_selection_set_tree_view (PsppSheetSelection *selection,
- PsppSheetView *tree_view)
-{
- g_return_if_fail (PSPP_IS_SHEET_SELECTION (selection));
- if (tree_view != NULL)
- g_return_if_fail (PSPP_IS_SHEET_VIEW (tree_view));
-
- selection->tree_view = tree_view;
-}
-
-/**
- * pspp_sheet_selection_set_mode:
- * @selection: A #PsppSheetSelection.
- * @type: The selection mode
- *
- * Sets the selection mode of the @selection. If the previous type was
- * #PSPP_SHEET_SELECTION_MULTIPLE or #PSPP_SHEET_SELECTION_RECTANGLE, then the
- * anchor is kept selected, if it was previously selected.
- **/
-void
-pspp_sheet_selection_set_mode (PsppSheetSelection *selection,
- PsppSheetSelectionMode type)
-{
- g_return_if_fail (PSPP_IS_SHEET_SELECTION (selection));
-
- if (selection->type == type)
- return;
-
- if (type == PSPP_SHEET_SELECTION_NONE)
- {
- pspp_sheet_selection_unselect_all (selection);
-
- gtk_tree_row_reference_free (selection->tree_view->priv->anchor);
- selection->tree_view->priv->anchor = NULL;
- }
- else if (type == PSPP_SHEET_SELECTION_SINGLE ||
- type == PSPP_SHEET_SELECTION_BROWSE)
- {
- int node = -1;
- gint selected = FALSE;
- GtkTreePath *anchor_path = NULL;
-
- if (selection->tree_view->priv->anchor)
- {
- anchor_path = gtk_tree_row_reference_get_path (selection->tree_view->priv->anchor);
-
- if (anchor_path)
- {
- _pspp_sheet_view_find_node (selection->tree_view,
- anchor_path,
- &node);
-
- if (node >= 0 && pspp_sheet_view_node_is_selected (selection->tree_view, node))
- selected = TRUE;
- }
- }
-
- /* We do this so that we unconditionally unset all rows
- */
- pspp_sheet_selection_unselect_all (selection);
-
- if (node >= 0 && selected)
- _pspp_sheet_selection_internal_select_node (selection,
- node,
- anchor_path,
- 0,
- FALSE);
- if (anchor_path)
- gtk_tree_path_free (anchor_path);
- }
-
- /* XXX unselect all columns when switching to/from rectangular selection? */
-
- selection->type = type;
-}
-
-/**
- * pspp_sheet_selection_get_mode:
- * @selection: a #PsppSheetSelection
- *
- * Gets the selection mode for @selection. See
- * pspp_sheet_selection_set_mode().
- *
- * Return value: the current selection mode
- **/
-PsppSheetSelectionMode
-pspp_sheet_selection_get_mode (PsppSheetSelection *selection)
-{
- g_return_val_if_fail (PSPP_IS_SHEET_SELECTION (selection), PSPP_SHEET_SELECTION_SINGLE);
-
- return selection->type;
-}
-
-/**
- * pspp_sheet_selection_get_tree_view:
- * @selection: A #PsppSheetSelection
- *
- * Returns the tree view associated with @selection.
- *
- * Return value: A #PsppSheetView
- **/
-PsppSheetView *
-pspp_sheet_selection_get_tree_view (PsppSheetSelection *selection)
-{
- g_return_val_if_fail (PSPP_IS_SHEET_SELECTION (selection), NULL);
-
- return selection->tree_view;
-}
-
-/**
- * pspp_sheet_selection_get_selected:
- * @selection: A #PsppSheetSelection.
- * @model: (out) (allow-none): A pointer to set to the #GtkTreeModel, or NULL.
- * @iter: (allow-none): The #GtkTreeIter, or NULL.
- *
- * Sets @iter to the currently selected node if @selection is set to
- * #PSPP_SHEET_SELECTION_SINGLE or #PSPP_SHEET_SELECTION_BROWSE. @iter may be
- * NULL if you just want to test if @selection has any selected nodes. @model
- * is filled with the current model as a convenience. This function will not
- * work if @selection's mode is #PSPP_SHEET_SELECTION_MULTIPLE or
- * #PSPP_SHEET_SELECTION_RECTANGLE.
- *
- * Return value: TRUE, if there is a selected node.
- **/
-gboolean
-pspp_sheet_selection_get_selected (PsppSheetSelection *selection,
- GtkTreeModel **model,
- GtkTreeIter *iter)
-{
- int node;
- GtkTreePath *anchor_path;
- gboolean retval;
-
- g_return_val_if_fail (PSPP_IS_SHEET_SELECTION (selection), FALSE);
- g_return_val_if_fail (selection->type != PSPP_SHEET_SELECTION_MULTIPLE &&
- selection->type != PSPP_SHEET_SELECTION_RECTANGLE,
- FALSE);
- g_return_val_if_fail (selection->tree_view != NULL, FALSE);
-
- /* Clear the iter */
- if (iter)
- memset (iter, 0, sizeof (GtkTreeIter));
-
- if (model)
- *model = selection->tree_view->priv->model;
-
- if (selection->tree_view->priv->anchor == NULL)
- return FALSE;
-
- anchor_path = gtk_tree_row_reference_get_path (selection->tree_view->priv->anchor);
-
- if (anchor_path == NULL)
- return FALSE;
-
- retval = FALSE;
-
- _pspp_sheet_view_find_node (selection->tree_view,
- anchor_path,
- &node);
-
- if (pspp_sheet_view_node_is_selected (selection->tree_view, node))
- {
- /* we only want to return the anchor if it exists in the rbtree and
- * is selected.
- */
- if (iter == NULL)
- retval = TRUE;
- else
- retval = gtk_tree_model_get_iter (selection->tree_view->priv->model,
- iter,
- anchor_path);
- }
- else
- {
- /* We don't want to return the anchor if it isn't actually selected.
- */
- retval = FALSE;
- }
-
- gtk_tree_path_free (anchor_path);
-
- return retval;
-}
-
-/**
- * pspp_sheet_selection_get_selected_rows:
- * @selection: A #PsppSheetSelection.
- * @model: (allow-none): A pointer to set to the #GtkTreeModel, or NULL.
- *
- * Creates a list of path of all selected rows. Additionally, if you are
- * planning on modifying the model after calling this function, you may
- * want to convert the returned list into a list of #GtkTreeRowReference<!-- -->s.
- * To do this, you can use gtk_tree_row_reference_new().
- *
- * To free the return value, use:
- * |[
- * g_list_foreach (list, (GFunc) gtk_tree_path_free, NULL);
- * g_list_free (list);
- * ]|
- *
- * Return value: (element-type GtkTreePath) (transfer full): A #GList containing a #GtkTreePath for each selected row.
- *
- * Since: 2.2
- **/
-GList *
-pspp_sheet_selection_get_selected_rows (PsppSheetSelection *selection,
- GtkTreeModel **model)
-{
- const struct range_tower_node *node;
- unsigned long int start;
- GList *list = NULL;
-
- g_return_val_if_fail (PSPP_IS_SHEET_SELECTION (selection), NULL);
- g_return_val_if_fail (selection->tree_view != NULL, NULL);
-
- if (model)
- *model = selection->tree_view->priv->model;
-
- if (selection->tree_view->priv->row_count == 0)
- return NULL;
-
- if (selection->type == PSPP_SHEET_SELECTION_NONE)
- return NULL;
- else if (selection->type != PSPP_SHEET_SELECTION_MULTIPLE &&
- selection->type != PSPP_SHEET_SELECTION_RECTANGLE)
- {
- GtkTreeIter iter;
-
- if (pspp_sheet_selection_get_selected (selection, NULL, &iter))
- {
- GtkTreePath *path;
-
- path = gtk_tree_model_get_path (selection->tree_view->priv->model, &iter);
- list = g_list_append (list, path);
-
- return list;
- }
-
- return NULL;
- }
-
- RANGE_TOWER_FOR_EACH (node, start, selection->tree_view->priv->selected)
- {
- unsigned long int width = range_tower_node_get_width (node);
- unsigned long int index;
-
- for (index = start; index < start + width; index++)
- list = g_list_prepend (list, gtk_tree_path_new_from_indices (index, -1));
- }
-
- return g_list_reverse (list);
-}
-
-/**
- * pspp_sheet_selection_count_selected_rows:
- * @selection: A #PsppSheetSelection.
- *
- * Returns the number of rows that have been selected in @tree.
- *
- * Return value: The number of rows selected.
- *
- * Since: 2.2
- **/
-gint
-pspp_sheet_selection_count_selected_rows (PsppSheetSelection *selection)
-{
- const struct range_tower_node *node;
- unsigned long int start;
- gint count = 0;
-
- g_return_val_if_fail (PSPP_IS_SHEET_SELECTION (selection), 0);
- g_return_val_if_fail (selection->tree_view != NULL, 0);
-
- if (selection->tree_view->priv->row_count == 0)
- return 0;
-
- if (selection->type == PSPP_SHEET_SELECTION_SINGLE ||
- selection->type == PSPP_SHEET_SELECTION_BROWSE)
- {
- if (pspp_sheet_selection_get_selected (selection, NULL, NULL))
- return 1;
- else
- return 0;
- }
-
- count = 0;
- RANGE_TOWER_FOR_EACH (node, start, selection->tree_view->priv->selected)
- count += range_tower_node_get_width (node);
-
- return count;
-}
-
-/* pspp_sheet_selection_selected_foreach helper */
-static void
-model_changed (gpointer data)
-{
- gboolean *stop = (gboolean *)data;
-
- *stop = TRUE;
-}
-
-/**
- * pspp_sheet_selection_selected_foreach:
- * @selection: A #PsppSheetSelection.
- * @func: The function to call for each selected node.
- * @data: user data to pass to the function.
- *
- * Calls a function for each selected node. Note that you cannot modify
- * the tree or selection from within this function. As a result,
- * pspp_sheet_selection_get_selected_rows() might be more useful.
- **/
-void
-pspp_sheet_selection_selected_foreach (PsppSheetSelection *selection,
- PsppSheetSelectionForeachFunc func,
- gpointer data)
-{
- const struct range_tower_node *node;
- unsigned long int start;
- GtkTreePath *path;
- GtkTreeIter iter;
- GtkTreeModel *model;
-
- gulong inserted_id, deleted_id, reordered_id, changed_id;
- gboolean stop = FALSE;
-
- g_return_if_fail (PSPP_IS_SHEET_SELECTION (selection));
- g_return_if_fail (selection->tree_view != NULL);
-
- if (func == NULL ||
- selection->tree_view->priv->row_count == 0)
- return;
-
- if (selection->type == PSPP_SHEET_SELECTION_SINGLE ||
- selection->type == PSPP_SHEET_SELECTION_BROWSE)
- {
- if (gtk_tree_row_reference_valid (selection->tree_view->priv->anchor))
- {
- path = gtk_tree_row_reference_get_path (selection->tree_view->priv->anchor);
- gtk_tree_model_get_iter (selection->tree_view->priv->model, &iter, path);
- (* func) (selection->tree_view->priv->model, path, &iter, data);
- gtk_tree_path_free (path);
- }
- return;
- }
-
- model = selection->tree_view->priv->model;
- g_object_ref (model);
-
- /* connect to signals to monitor changes in treemodel */
- inserted_id = g_signal_connect_swapped (model, "row-inserted",
- G_CALLBACK (model_changed),
- &stop);
- deleted_id = g_signal_connect_swapped (model, "row-deleted",
- G_CALLBACK (model_changed),
- &stop);
- reordered_id = g_signal_connect_swapped (model, "rows-reordered",
- G_CALLBACK (model_changed),
- &stop);
- changed_id = g_signal_connect_swapped (selection->tree_view, "notify::model",
- G_CALLBACK (model_changed),
- &stop);
-
- RANGE_TOWER_FOR_EACH (node, start, selection->tree_view->priv->selected)
- {
- unsigned long int width = range_tower_node_get_width (node);
- unsigned long int index;
-
- for (index = start; index < start + width; index++)
- {
- GtkTreePath *path;
- GtkTreeIter iter;
-
- path = gtk_tree_path_new_from_indices (index, -1);
- gtk_tree_model_get_iter (model, &iter, path);
- (* func) (model, path, &iter, data);
- gtk_tree_path_free (path);
- }
- }
-
- g_signal_handler_disconnect (model, inserted_id);
- g_signal_handler_disconnect (model, deleted_id);
- g_signal_handler_disconnect (model, reordered_id);
- g_signal_handler_disconnect (selection->tree_view, changed_id);
- g_object_unref (model);
-
- /* check if we have to spew a scary message */
- if (stop)
- g_warning ("The model has been modified from within pspp_sheet_selection_selected_foreach.\n"
- "This function is for observing the selections of the tree only. If\n"
- "you are trying to get all selected items from the tree, try using\n"
- "pspp_sheet_selection_get_selected_rows instead.\n");
-}
-
-/**
- * pspp_sheet_selection_select_path:
- * @selection: A #PsppSheetSelection.
- * @path: The #GtkTreePath to be selected.
- *
- * Select the row at @path.
- **/
-void
-pspp_sheet_selection_select_path (PsppSheetSelection *selection,
- GtkTreePath *path)
-{
- int node;
- GtkTreeSelectMode mode = 0;
-
- g_return_if_fail (PSPP_IS_SHEET_SELECTION (selection));
- g_return_if_fail (selection->tree_view != NULL);
- g_return_if_fail (path != NULL);
-
- _pspp_sheet_view_find_node (selection->tree_view,
- path,
- &node);
-
- if (node < 0 || pspp_sheet_view_node_is_selected (selection->tree_view, node))
- return;
-
- if (selection->type == PSPP_SHEET_SELECTION_MULTIPLE ||
- selection->type == PSPP_SHEET_SELECTION_RECTANGLE)
- mode = GTK_TREE_SELECT_MODE_TOGGLE;
-
- _pspp_sheet_selection_internal_select_node (selection,
- node,
- path,
- mode,
- FALSE);
-}
-
-/**
- * pspp_sheet_selection_unselect_path:
- * @selection: A #PsppSheetSelection.
- * @path: The #GtkTreePath to be unselected.
- *
- * Unselects the row at @path.
- **/
-void
-pspp_sheet_selection_unselect_path (PsppSheetSelection *selection,
- GtkTreePath *path)
-{
- int node;
-
- g_return_if_fail (PSPP_IS_SHEET_SELECTION (selection));
- g_return_if_fail (selection->tree_view != NULL);
- g_return_if_fail (path != NULL);
-
- _pspp_sheet_view_find_node (selection->tree_view,
- path,
- &node);
-
- if (node < 0 || !pspp_sheet_view_node_is_selected (selection->tree_view, node))
- return;
-
- _pspp_sheet_selection_internal_select_node (selection,
- node,
- path,
- GTK_TREE_SELECT_MODE_TOGGLE,
- TRUE);
-}
-
-/**
- * pspp_sheet_selection_select_iter:
- * @selection: A #PsppSheetSelection.
- * @iter: The #GtkTreeIter to be selected.
- *
- * Selects the specified iterator.
- **/
-void
-pspp_sheet_selection_select_iter (PsppSheetSelection *selection,
- GtkTreeIter *iter)
-{
- GtkTreePath *path;
-
- g_return_if_fail (PSPP_IS_SHEET_SELECTION (selection));
- g_return_if_fail (selection->tree_view != NULL);
- g_return_if_fail (selection->tree_view->priv->model != NULL);
- g_return_if_fail (iter != NULL);
-
- path = gtk_tree_model_get_path (selection->tree_view->priv->model,
- iter);
-
- if (path == NULL)
- return;
-
- pspp_sheet_selection_select_path (selection, path);
- gtk_tree_path_free (path);
-}
-
-
-/**
- * pspp_sheet_selection_unselect_iter:
- * @selection: A #PsppSheetSelection.
- * @iter: The #GtkTreeIter to be unselected.
- *
- * Unselects the specified iterator.
- **/
-void
-pspp_sheet_selection_unselect_iter (PsppSheetSelection *selection,
- GtkTreeIter *iter)
-{
- GtkTreePath *path;
-
- g_return_if_fail (PSPP_IS_SHEET_SELECTION (selection));
- g_return_if_fail (selection->tree_view != NULL);
- g_return_if_fail (selection->tree_view->priv->model != NULL);
- g_return_if_fail (iter != NULL);
-
- path = gtk_tree_model_get_path (selection->tree_view->priv->model,
- iter);
-
- if (path == NULL)
- return;
-
- pspp_sheet_selection_unselect_path (selection, path);
- gtk_tree_path_free (path);
-}
-
-/**
- * pspp_sheet_selection_path_is_selected:
- * @selection: A #PsppSheetSelection.
- * @path: A #GtkTreePath to check selection on.
- *
- * Returns %TRUE if the row pointed to by @path is currently selected. If @path
- * does not point to a valid location, %FALSE is returned
- *
- * Return value: %TRUE if @path is selected.
- **/
-gboolean
-pspp_sheet_selection_path_is_selected (PsppSheetSelection *selection,
- GtkTreePath *path)
-{
- int node;
-
- g_return_val_if_fail (PSPP_IS_SHEET_SELECTION (selection), FALSE);
- g_return_val_if_fail (path != NULL, FALSE);
- g_return_val_if_fail (selection->tree_view != NULL, FALSE);
-
- if (selection->tree_view->priv->model == NULL)
- return FALSE;
-
- _pspp_sheet_view_find_node (selection->tree_view,
- path,
- &node);
-
- if (node < 0 || !pspp_sheet_view_node_is_selected (selection->tree_view, node))
- return FALSE;
-
- return TRUE;
-}
-
-/**
- * pspp_sheet_selection_iter_is_selected:
- * @selection: A #PsppSheetSelection
- * @iter: A valid #GtkTreeIter
- *
- * Returns %TRUE if the row at @iter is currently selected.
- *
- * Return value: %TRUE, if @iter is selected
- **/
-gboolean
-pspp_sheet_selection_iter_is_selected (PsppSheetSelection *selection,
- GtkTreeIter *iter)
-{
- GtkTreePath *path;
- gboolean retval;
-
- g_return_val_if_fail (PSPP_IS_SHEET_SELECTION (selection), FALSE);
- g_return_val_if_fail (iter != NULL, FALSE);
- g_return_val_if_fail (selection->tree_view != NULL, FALSE);
- g_return_val_if_fail (selection->tree_view->priv->model != NULL, FALSE);
-
- path = gtk_tree_model_get_path (selection->tree_view->priv->model, iter);
- if (path == NULL)
- return FALSE;
-
- retval = pspp_sheet_selection_path_is_selected (selection, path);
- gtk_tree_path_free (path);
-
- return retval;
-}
-
-
-/* We have a real_{un,}select_all function that doesn't emit the signal, so we
- * can use it in other places without fear of the signal being emitted.
- */
-static gint
-pspp_sheet_selection_real_select_all (PsppSheetSelection *selection)
-{
- const struct range_tower_node *node;
- int row_count = selection->tree_view->priv->row_count;
-
- if (row_count == 0)
- return FALSE;
-
- node = range_tower_first (selection->tree_view->priv->selected);
- if (node
- && range_tower_node_get_start (node) == 0
- && range_tower_node_get_width (node) >= row_count)
- return FALSE;
-
- range_tower_set1 (selection->tree_view->priv->selected, 0, row_count);
- pspp_sheet_selection_select_all_columns (selection);
-
- /* XXX we could invalidate individual visible rows instead */
- gdk_window_invalidate_rect (selection->tree_view->priv->bin_window, NULL, TRUE);
-
- return TRUE;
-}
-
-/**
- * pspp_sheet_selection_select_all:
- * @selection: A #PsppSheetSelection.
- *
- * Selects all the nodes and column. @selection must be set to
- * #PSPP_SHEET_SELECTION_MULTIPLE or #PSPP_SHEET_SELECTION_RECTANGLE mode.
- **/
-void
-pspp_sheet_selection_select_all (PsppSheetSelection *selection)
-{
- g_return_if_fail (PSPP_IS_SHEET_SELECTION (selection));
- g_return_if_fail (selection->tree_view != NULL);
-
- if (selection->tree_view->priv->row_count == 0 || selection->tree_view->priv->model == NULL)
- return;
-
- g_return_if_fail (selection->type == PSPP_SHEET_SELECTION_MULTIPLE ||
- selection->type == PSPP_SHEET_SELECTION_RECTANGLE);
-
- if (pspp_sheet_selection_real_select_all (selection))
- g_signal_emit (selection, tree_selection_signals[CHANGED], 0);
-}
-
-static gint
-pspp_sheet_selection_real_unselect_all (PsppSheetSelection *selection)
-{
- if (selection->type == PSPP_SHEET_SELECTION_SINGLE ||
- selection->type == PSPP_SHEET_SELECTION_BROWSE)
- {
- int node = -1;
- GtkTreePath *anchor_path;
-
- if (selection->tree_view->priv->anchor == NULL)
- return FALSE;
-
- anchor_path = gtk_tree_row_reference_get_path (selection->tree_view->priv->anchor);
-
- if (anchor_path == NULL)
- return FALSE;
-
- _pspp_sheet_view_find_node (selection->tree_view,
- anchor_path,
- &node);
-
- gtk_tree_path_free (anchor_path);
-
- if (node < 0)
- return FALSE;
-
- if (pspp_sheet_view_node_is_selected (selection->tree_view, node))
- {
- if (pspp_sheet_selection_real_select_node (selection, node, FALSE))
- {
- gtk_tree_row_reference_free (selection->tree_view->priv->anchor);
- selection->tree_view->priv->anchor = NULL;
- return TRUE;
- }
- }
- return FALSE;
- }
- else if (range_tower_is_empty (selection->tree_view->priv->selected))
- return FALSE;
- else
- {
- range_tower_set0 (selection->tree_view->priv->selected, 0, ULONG_MAX);
- pspp_sheet_selection_unselect_all_columns (selection);
-
- /* XXX we could invalidate individual visible rows instead */
- gdk_window_invalidate_rect (selection->tree_view->priv->bin_window, NULL, TRUE);
-
- return TRUE;
- }
-}
-
-/**
- * pspp_sheet_selection_unselect_all:
- * @selection: A #PsppSheetSelection.
- *
- * Unselects all the nodes and columns.
- **/
-void
-pspp_sheet_selection_unselect_all (PsppSheetSelection *selection)
-{
- g_return_if_fail (PSPP_IS_SHEET_SELECTION (selection));
- g_return_if_fail (selection->tree_view != NULL);
-
- if (selection->tree_view->priv->row_count == 0 || selection->tree_view->priv->model == NULL)
- return;
-
- if (pspp_sheet_selection_real_unselect_all (selection))
- g_signal_emit (selection, tree_selection_signals[CHANGED], 0);
-}
-
-enum
-{
- RANGE_SELECT,
- RANGE_UNSELECT
-};
-
-static gint
-pspp_sheet_selection_real_modify_range (PsppSheetSelection *selection,
- gint mode,
- GtkTreePath *start_path,
- GtkTreePath *end_path)
-{
- int start_node, end_node;
- GtkTreePath *anchor_path = NULL;
- gboolean dirty = FALSE;
-
- switch (gtk_tree_path_compare (start_path, end_path))
- {
- case 1:
- _pspp_sheet_view_find_node (selection->tree_view,
- end_path,
- &start_node);
- _pspp_sheet_view_find_node (selection->tree_view,
- start_path,
- &end_node);
- anchor_path = start_path;
- break;
- case 0:
- _pspp_sheet_view_find_node (selection->tree_view,
- start_path,
- &start_node);
- end_node = start_node;
- anchor_path = start_path;
- break;
- case -1:
- _pspp_sheet_view_find_node (selection->tree_view,
- start_path,
- &start_node);
- _pspp_sheet_view_find_node (selection->tree_view,
- end_path,
- &end_node);
- anchor_path = start_path;
- break;
- }
-
- g_return_val_if_fail (start_node >= 0, FALSE);
- g_return_val_if_fail (end_node >= 0, FALSE);
-
- if (anchor_path)
- {
- if (selection->tree_view->priv->anchor)
- gtk_tree_row_reference_free (selection->tree_view->priv->anchor);
-
- selection->tree_view->priv->anchor =
- gtk_tree_row_reference_new_proxy (G_OBJECT (selection->tree_view),
- selection->tree_view->priv->model,
- anchor_path);
- }
-
- do
- {
- dirty |= pspp_sheet_selection_real_select_node (selection, start_node, (mode == RANGE_SELECT)?TRUE:FALSE);
-
- if (start_node == end_node)
- break;
-
- start_node = pspp_sheet_view_node_next (selection->tree_view, start_node);
- if (start_node < 0)
- {
- /* we just ran out of tree. That means someone passed in bogus values.
- */
- return dirty;
- }
- }
- while (TRUE);
-
- return dirty;
-}
-
-/**
- * pspp_sheet_selection_select_range:
- * @selection: A #PsppSheetSelection.
- * @start_path: The initial node of the range.
- * @end_path: The final node of the range.
- *
- * Selects a range of nodes, determined by @start_path and @end_path inclusive.
- * @selection must be set to #PSPP_SHEET_SELECTION_MULTIPLE or
- * #PSPP_SHEET_SELECTION_RECTANGLE mode.
- **/
-void
-pspp_sheet_selection_select_range (PsppSheetSelection *selection,
- GtkTreePath *start_path,
- GtkTreePath *end_path)
-{
- g_return_if_fail (PSPP_IS_SHEET_SELECTION (selection));
- g_return_if_fail (selection->tree_view != NULL);
- g_return_if_fail (selection->type == PSPP_SHEET_SELECTION_MULTIPLE ||
- selection->type == PSPP_SHEET_SELECTION_RECTANGLE);
- g_return_if_fail (selection->tree_view->priv->model != NULL);
-
- if (pspp_sheet_selection_real_modify_range (selection, RANGE_SELECT, start_path, end_path))
- g_signal_emit (selection, tree_selection_signals[CHANGED], 0);
-}
-
-/**
- * pspp_sheet_selection_unselect_range:
- * @selection: A #PsppSheetSelection.
- * @start_path: The initial node of the range.
- * @end_path: The initial node of the range.
- *
- * Unselects a range of nodes, determined by @start_path and @end_path
- * inclusive.
- *
- * Since: 2.2
- **/
-void
-pspp_sheet_selection_unselect_range (PsppSheetSelection *selection,
- GtkTreePath *start_path,
- GtkTreePath *end_path)
-{
- g_return_if_fail (PSPP_IS_SHEET_SELECTION (selection));
- g_return_if_fail (selection->tree_view != NULL);
- g_return_if_fail (selection->tree_view->priv->model != NULL);
-
- if (pspp_sheet_selection_real_modify_range (selection, RANGE_UNSELECT, start_path, end_path))
- g_signal_emit (selection, tree_selection_signals[CHANGED], 0);
-}
-
-struct range_set *
-pspp_sheet_selection_get_range_set (PsppSheetSelection *selection)
-{
- const struct range_tower_node *node;
- unsigned long int start;
- struct range_set *set;
-
- g_return_val_if_fail (PSPP_IS_SHEET_SELECTION (selection),
- range_set_create ());
- g_return_val_if_fail (selection->tree_view != NULL, range_set_create ());
-
- set = range_set_create ();
- RANGE_TOWER_FOR_EACH (node, start, selection->tree_view->priv->selected)
- range_set_set1 (set, start, range_tower_node_get_width (node));
- return set;
-}
-
-/* Called internally by gtktreeview.c It handles actually selecting the tree.
- */
-
-/*
- * docs about the 'override_browse_mode', we set this flag when we want to
- * unset select the node and override the select browse mode behaviour (that is
- * 'one node should *always* be selected').
- */
-void
-_pspp_sheet_selection_internal_select_node (PsppSheetSelection *selection,
- int node,
- GtkTreePath *path,
- GtkTreeSelectMode mode,
- gboolean override_browse_mode)
-{
- gint dirty = FALSE;
- GtkTreePath *anchor_path = NULL;
-
- if (selection->type == PSPP_SHEET_SELECTION_NONE)
- return;
-
- if (selection->tree_view->priv->anchor)
- anchor_path = gtk_tree_row_reference_get_path (selection->tree_view->priv->anchor);
-
- if (selection->type == PSPP_SHEET_SELECTION_SINGLE ||
- selection->type == PSPP_SHEET_SELECTION_BROWSE)
- {
- /* just unselect */
- if (selection->type == PSPP_SHEET_SELECTION_BROWSE && override_browse_mode)
- {
- dirty = pspp_sheet_selection_real_unselect_all (selection);
- }
- /* Did we try to select the same node again? */
- else if (selection->type == PSPP_SHEET_SELECTION_SINGLE &&
- anchor_path && gtk_tree_path_compare (path, anchor_path) == 0)
- {
- if ((mode & GTK_TREE_SELECT_MODE_TOGGLE) == GTK_TREE_SELECT_MODE_TOGGLE)
- {
- dirty = pspp_sheet_selection_real_unselect_all (selection);
- }
- }
- else
- {
- if (anchor_path)
- {
- dirty = pspp_sheet_selection_real_unselect_all (selection);
-
- /* if dirty is TRUE at this point, we successfully unselected the
- * old one, and can then select the new one */
- if (dirty)
- {
- if (selection->tree_view->priv->anchor)
- {
- gtk_tree_row_reference_free (selection->tree_view->priv->anchor);
- selection->tree_view->priv->anchor = NULL;
- }
-
- if (pspp_sheet_selection_real_select_node (selection, node, TRUE))
- {
- selection->tree_view->priv->anchor =
- gtk_tree_row_reference_new_proxy (G_OBJECT (selection->tree_view), selection->tree_view->priv->model, path);
- }
- }
- }
- else
- {
- if (pspp_sheet_selection_real_select_node (selection, node, TRUE))
- {
- dirty = TRUE;
- if (selection->tree_view->priv->anchor)
- gtk_tree_row_reference_free (selection->tree_view->priv->anchor);
-
- selection->tree_view->priv->anchor =
- gtk_tree_row_reference_new_proxy (G_OBJECT (selection->tree_view), selection->tree_view->priv->model, path);
- }
- }
- }
- }
- else if (selection->type == PSPP_SHEET_SELECTION_MULTIPLE ||
- selection->type == PSPP_SHEET_SELECTION_RECTANGLE)
- {
- if ((mode & GTK_TREE_SELECT_MODE_EXTEND) == GTK_TREE_SELECT_MODE_EXTEND
- && (anchor_path == NULL))
- {
- if (selection->tree_view->priv->anchor)
- gtk_tree_row_reference_free (selection->tree_view->priv->anchor);
-
- selection->tree_view->priv->anchor =
- gtk_tree_row_reference_new_proxy (G_OBJECT (selection->tree_view), selection->tree_view->priv->model, path);
- dirty = pspp_sheet_selection_real_select_node (selection, node, TRUE);
- }
- else if ((mode & (GTK_TREE_SELECT_MODE_EXTEND | GTK_TREE_SELECT_MODE_TOGGLE)) == (GTK_TREE_SELECT_MODE_EXTEND | GTK_TREE_SELECT_MODE_TOGGLE))
- {
- pspp_sheet_selection_select_range (selection,
- anchor_path,
- path);
- }
- else if ((mode & GTK_TREE_SELECT_MODE_TOGGLE) == GTK_TREE_SELECT_MODE_TOGGLE)
- {
- bool selected = pspp_sheet_view_node_is_selected (selection->tree_view, node);
- if (selection->tree_view->priv->anchor)
- gtk_tree_row_reference_free (selection->tree_view->priv->anchor);
-
- selection->tree_view->priv->anchor =
- gtk_tree_row_reference_new_proxy (G_OBJECT (selection->tree_view), selection->tree_view->priv->model, path);
-
- if (selected)
- dirty |= pspp_sheet_selection_real_select_node (selection, node, FALSE);
- else
- dirty |= pspp_sheet_selection_real_select_node (selection, node, TRUE);
- }
- else if ((mode & GTK_TREE_SELECT_MODE_EXTEND) == GTK_TREE_SELECT_MODE_EXTEND)
- {
- dirty = pspp_sheet_selection_real_unselect_all (selection);
- dirty |= pspp_sheet_selection_real_modify_range (selection,
- RANGE_SELECT,
- anchor_path,
- path);
- }
- else
- {
- dirty = pspp_sheet_selection_real_unselect_all (selection);
-
- if (selection->tree_view->priv->anchor)
- gtk_tree_row_reference_free (selection->tree_view->priv->anchor);
-
- selection->tree_view->priv->anchor =
- gtk_tree_row_reference_new_proxy (G_OBJECT (selection->tree_view), selection->tree_view->priv->model, path);
-
- dirty |= pspp_sheet_selection_real_select_node (selection, node, TRUE);
- }
- }
-
- if (anchor_path)
- gtk_tree_path_free (anchor_path);
-
- if (dirty)
- g_signal_emit (selection, tree_selection_signals[CHANGED], 0);
-}
-
-
-void
-_pspp_sheet_selection_emit_changed (PsppSheetSelection *selection)
-{
- g_signal_emit (selection, tree_selection_signals[CHANGED], 0);
-}
-
-/* NOTE: Any {un,}selection ever done _MUST_ be done through this function!
- */
-
-static gint
-pspp_sheet_selection_real_select_node (PsppSheetSelection *selection,
- int node,
- gboolean select)
-{
- select = !! select;
- if (pspp_sheet_view_node_is_selected (selection->tree_view, node) != select)
- {
- if (select)
- pspp_sheet_view_node_select (selection->tree_view, node);
- else
- pspp_sheet_view_node_unselect (selection->tree_view, node);
-
- _pspp_sheet_view_queue_draw_node (selection->tree_view, node, NULL);
-
- return TRUE;
- }
-
- return FALSE;
-}
-
-void
-pspp_sheet_selection_unselect_all_columns (PsppSheetSelection *selection)
-{
- PsppSheetView *sheet_view = selection->tree_view;
- gboolean changed;
- GList *list;
-
- changed = FALSE;
- for (list = sheet_view->priv->columns; list; list = list->next)
- {
- PsppSheetViewColumn *column = list->data;
- if (column->selected)
- {
- column->selected = FALSE;
- changed = TRUE;
- }
- }
- if (changed && selection->type == PSPP_SHEET_SELECTION_RECTANGLE)
- {
- gtk_widget_queue_draw (GTK_WIDGET (selection->tree_view));
- _pspp_sheet_selection_emit_changed (selection);
- }
-}
-
-GList *
-pspp_sheet_selection_get_selected_columns (PsppSheetSelection *selection)
-{
- PsppSheetView *sheet_view = selection->tree_view;
- GList *selected_columns = NULL;
- GList *iter;
-
- g_return_val_if_fail (PSPP_IS_SHEET_SELECTION (selection), NULL);
- g_return_val_if_fail (selection->tree_view != NULL, NULL);
-
- if (selection->type != PSPP_SHEET_SELECTION_RECTANGLE)
- return NULL;
-
- for (iter = sheet_view->priv->columns; iter; iter = iter->next)
- {
- PsppSheetViewColumn *column = iter->data;
- if (column->selected)
- selected_columns = g_list_prepend (selected_columns, column);
- }
- return g_list_reverse (selected_columns);
-}
-
-gint
-pspp_sheet_selection_count_selected_columns (PsppSheetSelection *selection)
-{
- PsppSheetView *sheet_view = selection->tree_view;
- GList *list;
- gint n;
-
- n = 0;
- for (list = sheet_view->priv->columns; list; list = list->next)
- {
- PsppSheetViewColumn *column = list->data;
- if (column->selected)
- n++;
- }
- return n;
-}
-
-void
-pspp_sheet_selection_select_all_columns (PsppSheetSelection *selection)
-{
- PsppSheetView *sheet_view = selection->tree_view;
- gboolean changed;
- GList *list;
-
- changed = FALSE;
- for (list = sheet_view->priv->columns; list; list = list->next)
- {
- PsppSheetViewColumn *column = list->data;
- if (!column->selected && column->selectable)
- {
- /* XXX should use pspp_sheet_view_column_set_selected() here (and
- elsewhere) but we want to call
- _pspp_sheet_selection_emit_changed() only once for all the
- columns. */
- column->selected = TRUE;
- changed = TRUE;
- }
- }
- if (changed && selection->type == PSPP_SHEET_SELECTION_RECTANGLE)
- {
- _pspp_sheet_selection_emit_changed (selection);
- gtk_widget_queue_draw (GTK_WIDGET (selection->tree_view));
- }
-}
-
-void
-pspp_sheet_selection_select_column (PsppSheetSelection *selection,
- PsppSheetViewColumn *column)
-{
- if (!column->selected && column->selectable)
- {
- column->selected = TRUE;
- if (selection->type == PSPP_SHEET_SELECTION_RECTANGLE)
- {
- _pspp_sheet_selection_emit_changed (selection);
- gtk_widget_queue_draw (GTK_WIDGET (selection->tree_view));
- }
- }
-}
-
-void
-pspp_sheet_selection_select_column_range (PsppSheetSelection *selection,
- PsppSheetViewColumn *first,
- PsppSheetViewColumn *last)
-{
- PsppSheetView *sheet_view = selection->tree_view;
- gboolean in_range;
- gboolean changed;
- GList *list;
-
- in_range = FALSE;
- changed = FALSE;
- for (list = sheet_view->priv->columns; list; list = list->next)
- {
- PsppSheetViewColumn *column = list->data;
- gboolean c0 = column == first;
- gboolean c1 = column == last;
-
- if (in_range || c0 || c1)
- {
- if (!column->selected && column->selectable)
- {
- column->selected = TRUE;
- changed = TRUE;
- }
- }
-
- in_range = in_range ^ c0 ^ c1;
- }
- if (changed && selection->type == PSPP_SHEET_SELECTION_RECTANGLE)
- {
- _pspp_sheet_selection_emit_changed (selection);
- gtk_widget_queue_draw (GTK_WIDGET (selection->tree_view));
- }
-}
projects / pspp / blobdiff