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Diffstat (limited to 'widgets/misc/e-selection-model-array.c')
| -rw-r--r-- | widgets/misc/e-selection-model-array.c | 550 |
1 files changed, 0 insertions, 550 deletions
diff --git a/widgets/misc/e-selection-model-array.c b/widgets/misc/e-selection-model-array.c deleted file mode 100644 index 76efe13de3..0000000000 --- a/widgets/misc/e-selection-model-array.c +++ /dev/null @@ -1,550 +0,0 @@ -/* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*- */ -/* - * e-selection-model-array.c - * Copyright 2000, 2001, Ximian, Inc. - * - * Authors: - * Chris Lahey <clahey@ximian.com> - * - * This library is free software; you can redistribute it and/or - * modify it under the terms of the GNU Library General Public - * License, version 2, as published by the Free Software Foundation. - * - * 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 <gtk/gtksignal.h> -#include "e-selection-model-array.h" -#include "gal/util/e-util.h" - -#define ESMA_CLASS(e) ((ESelectionModelArrayClass *)((GtkObject *)e)->klass) - -#define PARENT_TYPE e_selection_model_get_type () - -static ESelectionModelClass *parent_class; - -enum { - ARG_0, - ARG_CURSOR_ROW, - ARG_CURSOR_COL -}; - -void -e_selection_model_array_confirm_row_count(ESelectionModelArray *esma) -{ - if (esma->eba == NULL) { - int row_count = e_selection_model_array_get_row_count(esma); - esma->eba = e_bit_array_new(row_count); - esma->selected_row = -1; - esma->selected_range_end = -1; - } -} - -/* FIXME: Should this deal with moving the selection if it's in single mode? */ -void -e_selection_model_array_delete_rows(ESelectionModelArray *esma, int row, int count) -{ - if (esma->eba) { - if (E_SELECTION_MODEL(esma)->mode == GTK_SELECTION_SINGLE) - e_bit_array_delete_single_mode(esma->eba, row, count); - else - e_bit_array_delete(esma->eba, row, count); - - if (esma->cursor_row > row + count) - esma->cursor_row -= count; - else if (esma->cursor_row > row) - esma->cursor_row = row; - - if (esma->cursor_row >= e_bit_array_bit_count (esma->eba)) { - esma->cursor_row = e_bit_array_bit_count (esma->eba) - 1; - } else if (esma->cursor_row < 0) { - esma->cursor_row = -1; - } - if (esma->cursor_row >= 0) - e_bit_array_change_one_row(esma->eba, esma->cursor_row, TRUE); - - esma->selected_row = -1; - esma->selected_range_end = -1; - e_selection_model_selection_changed(E_SELECTION_MODEL(esma)); - e_selection_model_cursor_changed(E_SELECTION_MODEL(esma), esma->cursor_row, esma->cursor_col); - } -} - -void -e_selection_model_array_insert_rows(ESelectionModelArray *esma, int row, int count) -{ - if (esma->eba) { - e_bit_array_insert(esma->eba, row, count); - - if (esma->cursor_row >= row) - esma->cursor_row += count; - - esma->selected_row = -1; - esma->selected_range_end = -1; - e_selection_model_selection_changed(E_SELECTION_MODEL(esma)); - e_selection_model_cursor_changed(E_SELECTION_MODEL(esma), esma->cursor_row, esma->cursor_col); - } -} - -void -e_selection_model_array_move_row(ESelectionModelArray *esma, int old_row, int new_row) -{ - ESelectionModel *esm = E_SELECTION_MODEL(esma); - - if (esma->eba) { - gboolean selected = e_bit_array_value_at(esma->eba, old_row); - gboolean cursor = (esma->cursor_row == old_row); - - if (old_row < esma->cursor_row && esma->cursor_row < new_row) - esma->cursor_row --; - else if (new_row < esma->cursor_row && esma->cursor_row < old_row) - esma->cursor_row ++; - - e_bit_array_move_row(esma->eba, old_row, new_row); - - if (selected) { - if (esm->mode == GTK_SELECTION_SINGLE) - e_bit_array_select_single_row (esma->eba, new_row); - else - e_bit_array_change_one_row(esma->eba, new_row, TRUE); - } - if (cursor) { - esma->cursor_row = new_row; - } - esma->selected_row = -1; - esma->selected_range_end = -1; - e_selection_model_selection_changed(esm); - e_selection_model_cursor_changed(esm, esma->cursor_row, esma->cursor_col); - } -} - -static void -esma_destroy (GtkObject *object) -{ - ESelectionModelArray *esma; - - esma = E_SELECTION_MODEL_ARRAY (object); - - if (esma->eba) { - gtk_object_unref(GTK_OBJECT(esma->eba)); - esma->eba = NULL; - } - - if (GTK_OBJECT_CLASS (parent_class)->destroy) - (* GTK_OBJECT_CLASS (parent_class)->destroy) (object); -} - -static void -esma_get_arg (GtkObject *o, GtkArg *arg, guint arg_id) -{ - ESelectionModelArray *esma = E_SELECTION_MODEL_ARRAY (o); - - switch (arg_id){ - case ARG_CURSOR_ROW: - GTK_VALUE_INT(*arg) = esma->cursor_row; - break; - - case ARG_CURSOR_COL: - GTK_VALUE_INT(*arg) = esma->cursor_col; - break; - } -} - -static void -esma_set_arg (GtkObject *o, GtkArg *arg, guint arg_id) -{ - ESelectionModel *esm = E_SELECTION_MODEL (o); - ESelectionModelArray *esma = E_SELECTION_MODEL_ARRAY (o); - - switch (arg_id){ - case ARG_CURSOR_ROW: - e_selection_model_do_something(esm, GTK_VALUE_INT(*arg), esma->cursor_col, 0); - break; - - case ARG_CURSOR_COL: - e_selection_model_do_something(esm, esma->cursor_row, GTK_VALUE_INT(*arg), 0); - break; - } -} - -/** - * e_selection_model_is_row_selected - * @selection: #ESelectionModel to check - * @n: The row to check - * - * This routine calculates whether the given row is selected. - * - * Returns: %TRUE if the given row is selected - */ -static gboolean -esma_is_row_selected (ESelectionModel *selection, - gint n) -{ - ESelectionModelArray *esma = E_SELECTION_MODEL_ARRAY(selection); - if (esma->eba) - return e_bit_array_value_at(esma->eba, n); - else - return FALSE; -} - -/** - * e_selection_model_foreach - * @selection: #ESelectionModel to traverse - * @callback: The callback function to call back. - * @closure: The closure - * - * This routine calls the given callback function once for each - * selected row, passing closure as the closure. - */ -static void -esma_foreach (ESelectionModel *selection, - EForeachFunc callback, - gpointer closure) -{ - ESelectionModelArray *esma = E_SELECTION_MODEL_ARRAY(selection); - if (esma->eba) - e_bit_array_foreach(esma->eba, callback, closure); -} - -/** - * e_selection_model_clear - * @selection: #ESelectionModel to clear - * - * This routine clears the selection to no rows selected. - */ -static void -esma_clear(ESelectionModel *selection) -{ - ESelectionModelArray *esma = E_SELECTION_MODEL_ARRAY(selection); - if (esma->eba) { - gtk_object_unref(GTK_OBJECT(esma->eba)); - esma->eba = NULL; - } - esma->cursor_row = -1; - esma->cursor_col = -1; - esma->selected_row = -1; - esma->selected_range_end = -1; - e_selection_model_selection_changed(E_SELECTION_MODEL(esma)); - e_selection_model_cursor_changed(E_SELECTION_MODEL(esma), -1, -1); -} - -#define PART(x,n) (((x) & (0x01010101 << n)) >> n) -#define SECTION(x, n) (((x) >> (n * 8)) & 0xff) - -/** - * e_selection_model_selected_count - * @selection: #ESelectionModel to count - * - * This routine calculates the number of rows selected. - * - * Returns: The number of rows selected in the given model. - */ -static gint -esma_selected_count (ESelectionModel *selection) -{ - ESelectionModelArray *esma = E_SELECTION_MODEL_ARRAY(selection); - if (esma->eba) - return e_bit_array_selected_count(esma->eba); - else - return 0; -} - -/** - * e_selection_model_select_all - * @selection: #ESelectionModel to select all - * - * This routine selects all the rows in the given - * #ESelectionModel. - */ -static void -esma_select_all (ESelectionModel *selection) -{ - ESelectionModelArray *esma = E_SELECTION_MODEL_ARRAY(selection); - - e_selection_model_array_confirm_row_count(esma); - - e_bit_array_select_all(esma->eba); - - esma->cursor_col = 0; - esma->cursor_row = 0; - esma->selection_start_row = 0; - esma->selected_row = -1; - esma->selected_range_end = -1; - e_selection_model_selection_changed(E_SELECTION_MODEL(esma)); - e_selection_model_cursor_changed(E_SELECTION_MODEL(esma), 0, 0); -} - -/** - * e_selection_model_invert_selection - * @selection: #ESelectionModel to invert - * - * This routine inverts all the rows in the given - * #ESelectionModel. - */ -static void -esma_invert_selection (ESelectionModel *selection) -{ - ESelectionModelArray *esma = E_SELECTION_MODEL_ARRAY(selection); - - e_selection_model_array_confirm_row_count(esma); - - e_bit_array_invert_selection(esma->eba); - - esma->cursor_col = -1; - esma->cursor_row = -1; - esma->selection_start_row = 0; - esma->selected_row = -1; - esma->selected_range_end = -1; - e_selection_model_selection_changed(E_SELECTION_MODEL(esma)); - e_selection_model_cursor_changed(E_SELECTION_MODEL(esma), -1, -1); -} - -static int -esma_row_count (ESelectionModel *selection) -{ - ESelectionModelArray *esma = E_SELECTION_MODEL_ARRAY(selection); - e_selection_model_array_confirm_row_count(esma); - return e_bit_array_bit_count(esma->eba); -} - -static void -esma_change_one_row(ESelectionModel *selection, int row, gboolean grow) -{ - ESelectionModelArray *esma = E_SELECTION_MODEL_ARRAY(selection); - e_selection_model_array_confirm_row_count(esma); - e_bit_array_change_one_row(esma->eba, row, grow); -} - -static void -esma_change_cursor (ESelectionModel *selection, int row, int col) -{ - ESelectionModelArray *esma; - - g_return_if_fail(selection != NULL); - g_return_if_fail(E_IS_SELECTION_MODEL(selection)); - - esma = E_SELECTION_MODEL_ARRAY(selection); - - esma->cursor_row = row; - esma->cursor_col = col; -} - -static void -esma_change_range(ESelectionModel *selection, int start, int end, gboolean grow) -{ - int i; - ESelectionModelArray *esma = E_SELECTION_MODEL_ARRAY(selection); - if (start != end) { - if (selection->sorter && e_sorter_needs_sorting(selection->sorter)) { - for ( i = start; i < end; i++) { - e_bit_array_change_one_row(esma->eba, e_sorter_sorted_to_model(selection->sorter, i), grow); - } - } else { - e_selection_model_array_confirm_row_count(esma); - e_bit_array_change_range(esma->eba, start, end, grow); - } - } -} - -static int -esma_cursor_row (ESelectionModel *selection) -{ - ESelectionModelArray *esma = E_SELECTION_MODEL_ARRAY(selection); - return esma->cursor_row; -} - -static int -esma_cursor_col (ESelectionModel *selection) -{ - ESelectionModelArray *esma = E_SELECTION_MODEL_ARRAY(selection); - return esma->cursor_col; -} - -static void -esma_real_select_single_row (ESelectionModel *selection, int row) -{ - ESelectionModelArray *esma = E_SELECTION_MODEL_ARRAY(selection); - - e_selection_model_array_confirm_row_count(esma); - - e_bit_array_select_single_row(esma->eba, row); - - esma->selection_start_row = row; - esma->selected_row = row; - esma->selected_range_end = row; -} - -static void -esma_select_single_row (ESelectionModel *selection, int row) -{ - ESelectionModelArray *esma = E_SELECTION_MODEL_ARRAY(selection); - int selected_row = esma->selected_row; - esma_real_select_single_row (selection, row); - - if (selected_row != -1 && esma->eba && selected_row < e_bit_array_bit_count (esma->eba)) { - if (selected_row != row) { - e_selection_model_selection_row_changed(selection, selected_row); - e_selection_model_selection_row_changed(selection, row); - } - } else { - e_selection_model_selection_changed(selection); - } -} - -static void -esma_toggle_single_row (ESelectionModel *selection, int row) -{ - ESelectionModelArray *esma = E_SELECTION_MODEL_ARRAY(selection); - - e_selection_model_array_confirm_row_count(esma); - e_bit_array_toggle_single_row(esma->eba, row); - - esma->selection_start_row = row; - esma->selected_row = -1; - esma->selected_range_end = -1; - e_selection_model_selection_row_changed(E_SELECTION_MODEL(esma), row); -} - -static void -esma_real_move_selection_end (ESelectionModel *selection, int row) -{ - ESelectionModelArray *esma = E_SELECTION_MODEL_ARRAY(selection); - int old_start; - int old_end; - int new_start; - int new_end; - if (selection->sorter && e_sorter_needs_sorting(selection->sorter)) { - old_start = MIN (e_sorter_model_to_sorted(selection->sorter, esma->selection_start_row), - e_sorter_model_to_sorted(selection->sorter, esma->cursor_row)); - old_end = MAX (e_sorter_model_to_sorted(selection->sorter, esma->selection_start_row), - e_sorter_model_to_sorted(selection->sorter, esma->cursor_row)) + 1; - new_start = MIN (e_sorter_model_to_sorted(selection->sorter, esma->selection_start_row), - e_sorter_model_to_sorted(selection->sorter, row)); - new_end = MAX (e_sorter_model_to_sorted(selection->sorter, esma->selection_start_row), - e_sorter_model_to_sorted(selection->sorter, row)) + 1; - } else { - old_start = MIN (esma->selection_start_row, esma->cursor_row); - old_end = MAX (esma->selection_start_row, esma->cursor_row) + 1; - new_start = MIN (esma->selection_start_row, row); - new_end = MAX (esma->selection_start_row, row) + 1; - } - /* This wouldn't work nearly so smoothly if one end of the selection weren't held in place. */ - if (old_start < new_start) - esma_change_range(selection, old_start, new_start, FALSE); - if (new_start < old_start) - esma_change_range(selection, new_start, old_start, TRUE); - if (old_end < new_end) - esma_change_range(selection, old_end, new_end, TRUE); - if (new_end < old_end) - esma_change_range(selection, new_end, old_end, FALSE); - esma->selected_row = -1; - esma->selected_range_end = -1; -} - -static void -esma_move_selection_end (ESelectionModel *selection, int row) -{ - esma_real_move_selection_end (selection, row); - e_selection_model_selection_changed(selection); -} - -static void -esma_set_selection_end (ESelectionModel *selection, int row) -{ - ESelectionModelArray *esma = E_SELECTION_MODEL_ARRAY(selection); - int selected_range_end = esma->selected_range_end; - int view_row = e_sorter_model_to_sorted(selection->sorter, row); - - esma_real_select_single_row(selection, esma->selection_start_row); - esma->cursor_row = esma->selection_start_row; - esma_real_move_selection_end(selection, row); - - esma->selected_range_end = view_row; - if (selected_range_end != -1 && view_row != -1) { - if (selected_range_end == view_row - 1 || - selected_range_end == view_row + 1) { - e_selection_model_selection_row_changed(selection, selected_range_end); - e_selection_model_selection_row_changed(selection, view_row); - return; - } - } - e_selection_model_selection_changed(selection); -} - -int -e_selection_model_array_get_row_count (ESelectionModelArray *esma) -{ - g_return_val_if_fail(esma != NULL, 0); - g_return_val_if_fail(E_IS_SELECTION_MODEL_ARRAY(esma), 0); - - if (ESMA_CLASS(esma)->get_row_count) - return ESMA_CLASS(esma)->get_row_count (esma); - else - return 0; -} - - -static void -e_selection_model_array_init (ESelectionModelArray *esma) -{ - esma->eba = NULL; - esma->selection_start_row = 0; - esma->cursor_row = -1; - esma->cursor_col = -1; - - esma->selected_row = -1; - esma->selected_range_end = -1; -} - -static void -e_selection_model_array_class_init (ESelectionModelArrayClass *klass) -{ - GtkObjectClass *object_class; - ESelectionModelClass *esm_class; - - parent_class = gtk_type_class (e_selection_model_get_type ()); - - object_class = GTK_OBJECT_CLASS(klass); - esm_class = E_SELECTION_MODEL_CLASS(klass); - - object_class->destroy = esma_destroy; - object_class->get_arg = esma_get_arg; - object_class->set_arg = esma_set_arg; - - esm_class->is_row_selected = esma_is_row_selected ; - esm_class->foreach = esma_foreach ; - esm_class->clear = esma_clear ; - esm_class->selected_count = esma_selected_count ; - esm_class->select_all = esma_select_all ; - esm_class->invert_selection = esma_invert_selection ; - esm_class->row_count = esma_row_count ; - - esm_class->change_one_row = esma_change_one_row ; - esm_class->change_cursor = esma_change_cursor ; - esm_class->cursor_row = esma_cursor_row ; - esm_class->cursor_col = esma_cursor_col ; - - esm_class->select_single_row = esma_select_single_row ; - esm_class->toggle_single_row = esma_toggle_single_row ; - esm_class->move_selection_end = esma_move_selection_end ; - esm_class->set_selection_end = esma_set_selection_end ; - - klass->get_row_count = NULL ; - - gtk_object_add_arg_type ("ESelectionModelArray::cursor_row", GTK_TYPE_INT, - GTK_ARG_READWRITE, ARG_CURSOR_ROW); - gtk_object_add_arg_type ("ESelectionModelArray::cursor_col", GTK_TYPE_INT, - GTK_ARG_READWRITE, ARG_CURSOR_COL); -} - -E_MAKE_TYPE(e_selection_model_array, "ESelectionModelArray", ESelectionModelArray, - e_selection_model_array_class_init, e_selection_model_array_init, PARENT_TYPE) |