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-rw-r--r--widgets/table/e-table-header.c910
1 files changed, 0 insertions, 910 deletions
diff --git a/widgets/table/e-table-header.c b/widgets/table/e-table-header.c
deleted file mode 100644
index ad585bdc2b..0000000000
--- a/widgets/table/e-table-header.c
+++ /dev/null
@@ -1,910 +0,0 @@
-/* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*- */
-/*
- * e-table-header.c
- * Copyright 1999, 2000, 2001, Ximian, Inc.
- *
- * Authors:
- * Chris Lahey <clahey@ximian.com>
- * Miguel de Icaza <miguel@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 <string.h>
-#include <gtk/gtkobject.h>
-#include <gtk/gtksignal.h>
-#include "e-table-header.h"
-#include "e-table-defines.h"
-#include "gal/util/e-util.h"
-
-/* The arguments we take */
-enum {
- ARG_0,
- ARG_SORT_INFO,
- ARG_WIDTH,
- ARG_WIDTH_EXTRAS,
-};
-
-enum {
- STRUCTURE_CHANGE,
- DIMENSION_CHANGE,
- EXPANSION_CHANGE,
- REQUEST_WIDTH,
- LAST_SIGNAL
-};
-
-static void eth_set_size (ETableHeader *eth, int idx, int size);
-static void eth_calc_widths (ETableHeader *eth);
-
-static guint eth_signals [LAST_SIGNAL] = { 0, };
-
-static GtkObjectClass *e_table_header_parent_class;
-
-struct two_ints {
- int column;
- int width;
-};
-
-static void
-eth_set_width (ETableHeader *eth, int width)
-{
- eth->width = width;
-}
-
-static void
-dequeue (ETableHeader *eth, int *column, int *width)
-{
- GSList *head;
- struct two_ints *store;
- head = eth->change_queue;
- eth->change_queue = eth->change_queue->next;
- if (!eth->change_queue)
- eth->change_tail = NULL;
- store = head->data;
- g_slist_free_1(head);
- if (column)
- *column = store->column;
- if (width)
- *width = store->width;
- g_free(store);
-}
-
-static gboolean
-dequeue_idle (ETableHeader *eth)
-{
- int column, width;
-
- dequeue (eth, &column, &width);
- while (eth->change_queue && ((struct two_ints *) eth->change_queue->data)->column == column)
- dequeue (eth, &column, &width);
-
- if (column == -1)
- eth_set_width (eth, width);
- else if (column < eth->col_count)
- eth_set_size (eth, column, width);
- if (eth->change_queue)
- return TRUE;
- else {
- eth_calc_widths (eth);
- eth->idle = 0;
- return FALSE;
- }
-}
-
-static void
-enqueue (ETableHeader *eth, int column, int width)
-{
- struct two_ints *store;
- store = g_new(struct two_ints, 1);
- store->column = column;
- store->width = width;
-
- eth->change_tail = g_slist_last(g_slist_append(eth->change_tail, store));
- if (!eth->change_queue)
- eth->change_queue = eth->change_tail;
-
- if (!eth->idle) {
- eth->idle = g_idle_add_full(G_PRIORITY_LOW, (GSourceFunc) dequeue_idle, eth, NULL);
- }
-}
-
-void
-e_table_header_set_size (ETableHeader *eth, int idx, int size)
-{
- g_return_if_fail (eth != NULL);
- g_return_if_fail (E_IS_TABLE_HEADER (eth));
-
- enqueue (eth, idx, size);
-}
-
-static void
-eth_do_remove (ETableHeader *eth, int idx, gboolean do_unref)
-{
- if (do_unref)
- gtk_object_unref (GTK_OBJECT (eth->columns [idx]));
-
- memmove (&eth->columns [idx], &eth->columns [idx+1],
- sizeof (ETableCol *) * (eth->col_count - idx - 1));
- eth->col_count--;
-}
-
-static void
-eth_destroy (GtkObject *object)
-{
- ETableHeader *eth = E_TABLE_HEADER (object);
- const int cols = eth->col_count;
- int i;
-
- if (eth->sort_info) {
- if (eth->sort_info_group_change_id)
- gtk_signal_disconnect(GTK_OBJECT(eth->sort_info),
- eth->sort_info_group_change_id);
- gtk_object_unref(GTK_OBJECT(eth->sort_info));
- }
-
- if (eth->idle)
- g_source_remove(eth->idle);
- g_slist_foreach(eth->change_queue, (GFunc) g_free, NULL);
- g_slist_free(eth->change_queue);
-
- /*
- * Destroy columns
- */
- for (i = cols - 1; i >= 0; i--){
- eth_do_remove (eth, i, TRUE);
- }
- g_free (eth->columns);
-
- if (e_table_header_parent_class->destroy)
- e_table_header_parent_class->destroy (object);
-}
-
-static void
-eth_group_info_changed(ETableSortInfo *info, ETableHeader *eth)
-{
- enqueue(eth, -1, eth->nominal_width);
-}
-
-static void
-eth_set_arg (GtkObject *object, GtkArg *arg, guint arg_id)
-{
- ETableHeader *eth = E_TABLE_HEADER (object);
-
- switch (arg_id) {
- case ARG_WIDTH:
- eth->nominal_width = GTK_VALUE_DOUBLE (*arg);
- enqueue(eth, -1, GTK_VALUE_DOUBLE (*arg));
- break;
- case ARG_WIDTH_EXTRAS:
- eth->width_extras = GTK_VALUE_DOUBLE (*arg);
- enqueue(eth, -1, eth->nominal_width);
- break;
- case ARG_SORT_INFO:
- if (eth->sort_info) {
- if (eth->sort_info_group_change_id)
- gtk_signal_disconnect(GTK_OBJECT(eth->sort_info), eth->sort_info_group_change_id);
- gtk_object_unref(GTK_OBJECT(eth->sort_info));
- }
- eth->sort_info = E_TABLE_SORT_INFO(GTK_VALUE_OBJECT (*arg));
- if (eth->sort_info) {
- gtk_object_ref(GTK_OBJECT(eth->sort_info));
- eth->sort_info_group_change_id
- = gtk_signal_connect(GTK_OBJECT(eth->sort_info), "group_info_changed",
- GTK_SIGNAL_FUNC(eth_group_info_changed), eth);
- }
- enqueue(eth, -1, eth->nominal_width);
- break;
- default:
- break;
- }
-}
-
-static void
-eth_get_arg (GtkObject *object, GtkArg *arg, guint arg_id)
-{
- ETableHeader *eth = E_TABLE_HEADER (object);
-
- switch (arg_id) {
- case ARG_SORT_INFO:
- GTK_VALUE_OBJECT (*arg) = GTK_OBJECT(eth->sort_info);
- break;
- case ARG_WIDTH:
- GTK_VALUE_DOUBLE (*arg) = eth->nominal_width;
- break;
- case ARG_WIDTH_EXTRAS:
- GTK_VALUE_DOUBLE (*arg) = eth->width_extras;
- break;
- default:
- arg->type = GTK_TYPE_INVALID;
- break;
- }
-}
-
-static void
-e_table_header_class_init (GtkObjectClass *object_class)
-{
- ETableHeaderClass *klass = E_TABLE_HEADER_CLASS (object_class);
-
- object_class->destroy = eth_destroy;
- object_class->set_arg = eth_set_arg;
- object_class->get_arg = eth_get_arg;
-
- e_table_header_parent_class = (gtk_type_class (gtk_object_get_type ()));
-
- gtk_object_add_arg_type ("ETableHeader::width", GTK_TYPE_DOUBLE,
- GTK_ARG_READWRITE, ARG_WIDTH);
- gtk_object_add_arg_type ("ETableHeader::width_extras", GTK_TYPE_DOUBLE,
- GTK_ARG_READWRITE, ARG_WIDTH_EXTRAS);
- gtk_object_add_arg_type ("ETableHeader::sort_info", GTK_TYPE_OBJECT,
- GTK_ARG_READWRITE, ARG_SORT_INFO);
-
- eth_signals [STRUCTURE_CHANGE] =
- gtk_signal_new ("structure_change",
- GTK_RUN_LAST,
- E_OBJECT_CLASS_TYPE (object_class),
- GTK_SIGNAL_OFFSET (ETableHeaderClass, structure_change),
- gtk_marshal_NONE__NONE,
- GTK_TYPE_NONE, 0);
- eth_signals [DIMENSION_CHANGE] =
- gtk_signal_new ("dimension_change",
- GTK_RUN_LAST,
- E_OBJECT_CLASS_TYPE (object_class),
- GTK_SIGNAL_OFFSET (ETableHeaderClass, dimension_change),
- gtk_marshal_NONE__INT,
- GTK_TYPE_NONE, 1, GTK_TYPE_INT);
- eth_signals [EXPANSION_CHANGE] =
- gtk_signal_new ("expansion_change",
- GTK_RUN_LAST,
- E_OBJECT_CLASS_TYPE (object_class),
- GTK_SIGNAL_OFFSET (ETableHeaderClass, expansion_change),
- gtk_marshal_NONE__NONE,
- GTK_TYPE_NONE, 0);
- eth_signals [REQUEST_WIDTH] =
- gtk_signal_new ("request_width",
- GTK_RUN_LAST,
- E_OBJECT_CLASS_TYPE (object_class),
- GTK_SIGNAL_OFFSET (ETableHeaderClass, request_width),
- gtk_marshal_INT__INT,
- GTK_TYPE_INT, 1, GTK_TYPE_INT);
-
- E_OBJECT_CLASS_ADD_SIGNALS (object_class, eth_signals, LAST_SIGNAL);
-
- klass->structure_change = NULL;
- klass->dimension_change = NULL;
- klass->expansion_change = NULL;
- klass->request_width = NULL;
-}
-
-static void
-e_table_header_init (ETableHeader *eth)
-{
- eth->col_count = 0;
- eth->width = 0;
-
- eth->sort_info = NULL;
- eth->sort_info_group_change_id = 0;
-
- eth->columns = NULL;
-
- eth->change_queue = NULL;
- eth->change_tail = NULL;
-
- eth->width_extras = 0;
-}
-
-/**
- * e_table_header_new:
- *
- * Returns: A new @ETableHeader object.
- */
-ETableHeader *
-e_table_header_new (void)
-{
- ETableHeader *eth;
-
- eth = gtk_type_new (e_table_header_get_type ());
-
- return eth;
-}
-
-static void
-eth_update_offsets (ETableHeader *eth)
-{
- int i;
- int x = 0;
-
- for (i = 0; i < eth->col_count; i++){
- ETableCol *etc = eth->columns [i];
-
- etc->x = x;
- x += etc->width;
- }
-}
-
-static void
-eth_do_insert (ETableHeader *eth, int pos, ETableCol *val)
-{
- memmove (&eth->columns [pos+1], &eth->columns [pos],
- sizeof (ETableCol *) * (eth->col_count - pos));
- eth->columns [pos] = val;
- eth->col_count ++;
-}
-
-/**
- * e_table_header_add_column:
- * @eth: the table header to add the column to.
- * @tc: the ETableCol definition
- * @pos: position where the ETableCol will go.
- *
- * This function adds the @tc ETableCol definition into the @eth ETableHeader
- * at position @pos. This is the way you add new ETableCols to the
- * ETableHeader. The header will assume ownership of the @tc; you should not
- * unref it after you add it.
- *
- * This function will emit the "structure_change" signal on the @eth object.
- * The ETableCol is assumed
- */
-void
-e_table_header_add_column (ETableHeader *eth, ETableCol *tc, int pos)
-{
- g_return_if_fail (eth != NULL);
- g_return_if_fail (E_IS_TABLE_HEADER (eth));
- g_return_if_fail (tc != NULL);
- g_return_if_fail (E_IS_TABLE_COL (tc));
- g_return_if_fail (pos >= -1 && pos <= eth->col_count);
-
- if (pos == -1)
- pos = eth->col_count;
- eth->columns = g_realloc (eth->columns, sizeof (ETableCol *) * (eth->col_count + 1));
-
- /*
- * We are the primary owners of the column
- */
- gtk_object_ref (GTK_OBJECT (tc));
- gtk_object_sink (GTK_OBJECT (tc));
-
- eth_do_insert (eth, pos, tc);
-
- enqueue(eth, -1, eth->nominal_width);
- gtk_signal_emit (GTK_OBJECT (eth), eth_signals [STRUCTURE_CHANGE]);
-}
-
-/**
- * e_table_header_get_column:
- * @eth: the ETableHeader to query
- * @column: the column inside the @eth.
- *
- * Returns: The ETableCol at @column in the @eth object
- */
-ETableCol *
-e_table_header_get_column (ETableHeader *eth, int column)
-{
- g_return_val_if_fail (eth != NULL, NULL);
- g_return_val_if_fail (E_IS_TABLE_HEADER (eth), NULL);
-
- if (column < 0)
- return NULL;
-
- if (column >= eth->col_count)
- return NULL;
-
- return eth->columns [column];
-}
-
-/**
- * e_table_header_get_column_by_col_id:
- * @eth: the ETableHeader to query
- * @col_id: the col_id to search for.
- *
- * Returns: The ETableCol with col_idx = @col_idx in the @eth object
- */
-ETableCol *
-e_table_header_get_column_by_col_idx (ETableHeader *eth, int col_idx)
-{
- int i;
- g_return_val_if_fail (eth != NULL, NULL);
- g_return_val_if_fail (E_IS_TABLE_HEADER (eth), NULL);
-
- for (i = 0; i < eth->col_count; i++) {
- if (eth->columns[i]->col_idx == col_idx) {
- return eth->columns [i];
- }
- }
-
- return NULL;
-}
-
-/**
- * e_table_header_count:
- * @eth: the ETableHeader to query
- *
- * Returns: the number of columns in this ETableHeader.
- */
-int
-e_table_header_count (ETableHeader *eth)
-{
- g_return_val_if_fail (eth != NULL, 0);
- g_return_val_if_fail (E_IS_TABLE_HEADER (eth), 0);
-
- return eth->col_count;
-}
-
-/**
- * e_table_header_index:
- * @eth: the ETableHeader to query
- * @col: the column to fetch.
- *
- * ETableHeaders contain the visual list of columns that the user will
- * view. The visible columns will typically map to different columns
- * in the ETableModel (because the user reordered the data for
- * example).
- *
- * Returns: the column in the model that the @col column
- * in the ETableHeader points to. */
-int
-e_table_header_index (ETableHeader *eth, int col)
-{
- g_return_val_if_fail (eth != NULL, -1);
- g_return_val_if_fail (E_IS_TABLE_HEADER (eth), -1);
- g_return_val_if_fail (col >= 0 && col < eth->col_count, -1);
-
- return eth->columns [col]->col_idx;
-}
-
-/**
- * e_table_header_get_index_at:
- * @eth: the ETableHeader to query
- * @x_offset: a pixel count from the beginning of the ETableHeader
- *
- * This will return the ETableHeader column that would contain
- * the @x_offset pixel.
- *
- * Returns: the column that contains pixel @x_offset, or -1
- * if no column inside this ETableHeader contains that pixel.
- */
-int
-e_table_header_get_index_at (ETableHeader *eth, int x_offset)
-{
- int i, total;
-
- g_return_val_if_fail (eth != NULL, 0);
- g_return_val_if_fail (E_IS_TABLE_HEADER (eth), 0);
-
- total = 0;
- for (i = 0; i < eth->col_count; i++){
- total += eth->columns [i]->width;
-
- if (x_offset < total)
- return i;
- }
-
- return -1;
-}
-
-/**
- * e_table_header_get_columns:
- * @eth: The ETableHeader to query
- *
- * Returns: A NULL terminated array of the ETableCols
- * contained in the ETableHeader @eth. Note that every
- * returned ETableCol in the array has been referenced, to release
- * this information you need to g_free the buffer returned
- * and you need to gtk_object_unref every element returned
- */
-ETableCol **
-e_table_header_get_columns (ETableHeader *eth)
-{
- ETableCol **ret;
- int i;
-
- g_return_val_if_fail (eth != NULL, 0);
- g_return_val_if_fail (E_IS_TABLE_HEADER (eth), 0);
-
- ret = g_new (ETableCol *, eth->col_count + 1);
- memcpy (ret, eth->columns, sizeof (ETableCol *) * eth->col_count);
- ret [eth->col_count] = NULL;
-
- for (i = 0; i < eth->col_count; i++) {
- gtk_object_ref(GTK_OBJECT(ret[i]));
- }
-
- return ret;
-}
-
-/**
- * e_table_header_get_selected:
- * @eth: The ETableHeader to query
- *
- * Returns: The number of selected columns in the @eth object.
- */
-int
-e_table_header_get_selected (ETableHeader *eth)
-{
- int i;
- int selected = 0;
-
- g_return_val_if_fail (eth != NULL, 0);
- g_return_val_if_fail (E_IS_TABLE_HEADER (eth), 0);
-
- for (i = 0; i < eth->col_count; i++){
- if (eth->columns [i]->selected)
- selected++;
- }
-
- return selected;
-}
-
-/**
- * e_table_header_total_width:
- * @eth: The ETableHeader to query
- *
- * Returns: the number of pixels used by the @eth object
- * when rendered on screen
- */
-int
-e_table_header_total_width (ETableHeader *eth)
-{
- int total, i;
-
- g_return_val_if_fail (eth != NULL, 0);
- g_return_val_if_fail (E_IS_TABLE_HEADER (eth), 0);
-
- total = 0;
- for (i = 0; i < eth->col_count; i++)
- total += eth->columns [i]->width;
-
- return total;
-}
-
-/**
- * e_table_header_move:
- * @eth: The ETableHeader to operate on.
- * @source_index: the source column to move.
- * @target_index: the target location for the column
- *
- * This function moves the column @source_index to @target_index
- * inside the @eth ETableHeader. The signals "dimension_change"
- * and "structure_change" will be emmited
- */
-void
-e_table_header_move (ETableHeader *eth, int source_index, int target_index)
-{
- ETableCol *old;
-
- g_return_if_fail (eth != NULL);
- g_return_if_fail (E_IS_TABLE_HEADER (eth));
- g_return_if_fail (source_index >= 0);
- g_return_if_fail (target_index >= 0);
- g_return_if_fail (source_index < eth->col_count);
- g_return_if_fail (target_index < eth->col_count + 1); /* Can be moved beyond the last item. */
-
- if (source_index < target_index)
- target_index --;
-
- old = eth->columns [source_index];
- eth_do_remove (eth, source_index, FALSE);
- eth_do_insert (eth, target_index, old);
- eth_update_offsets (eth);
-
- gtk_signal_emit (GTK_OBJECT (eth), eth_signals [DIMENSION_CHANGE]);
- gtk_signal_emit (GTK_OBJECT (eth), eth_signals [STRUCTURE_CHANGE]);
-}
-
-/**
- * e_table_header_remove:
- * @eth: The ETableHeader to operate on.
- * @idx: the index to the column to be removed.
- *
- * Removes the column at @idx position in the ETableHeader @eth.
- * This emmits the "structure_change" signal on the @eth object.
- */
-void
-e_table_header_remove (ETableHeader *eth, int idx)
-{
- g_return_if_fail (eth != NULL);
- g_return_if_fail (E_IS_TABLE_HEADER (eth));
- g_return_if_fail (idx >= 0);
- g_return_if_fail (idx < eth->col_count);
-
- eth_do_remove (eth, idx, TRUE);
- enqueue(eth, -1, eth->nominal_width);
- gtk_signal_emit (GTK_OBJECT (eth), eth_signals [STRUCTURE_CHANGE]);
-}
-
-/*
- * FIXME: deprecated?
- */
-void
-e_table_header_set_selection (ETableHeader *eth, gboolean allow_selection)
-{
- g_return_if_fail (eth != NULL);
- g_return_if_fail (E_IS_TABLE_HEADER (eth));
-}
-
-static void
-eth_set_size (ETableHeader *eth, int idx, int size)
-{
- double expansion;
- double old_expansion;
- int min_width;
- int left_width;
- int total_extra;
- int expandable_count;
- int usable_width;
- int i;
- g_return_if_fail (eth != NULL);
- g_return_if_fail (E_IS_TABLE_HEADER (eth));
- g_return_if_fail (idx >= 0);
- g_return_if_fail (idx < eth->col_count);
-
- /* If this column is not resizable, don't do anything. */
- if (!eth->columns[idx]->resizable)
- return;
-
- expansion = 0;
- min_width = 0;
- left_width = 0;
- expandable_count = -1;
-
- /* Calculate usable area. */
- for (i = 0; i < idx; i++) {
- left_width += eth->columns[i]->width;
- }
- /* - 1 to account for the last pixel border. */
- usable_width = eth->width - left_width - 1;
-
- if (eth->sort_info)
- usable_width -= e_table_sort_info_grouping_get_count(eth->sort_info) * GROUP_INDENT;
-
- /* Calculate minimum_width of stuff on the right as well as
- * total usable expansion on the right.
- */
- for (; i < eth->col_count; i++) {
- min_width += eth->columns[i]->min_width + eth->width_extras;
- if (eth->columns[i]->resizable) {
- expansion += eth->columns[i]->expansion;
- expandable_count ++;
- }
- }
- /* If there's no room for anything, don't change. */
- if (expansion == 0)
- return;
-
- /* (1) If none of the columns to the right are expandable, use
- * all the expansion space in this column.
- */
- if(expandable_count == 0) {
- eth->columns[idx]->expansion = expansion;
- for (i = idx + 1; i < eth->col_count; i++) {
- eth->columns[i]->expansion = 0;
- }
-
- gtk_signal_emit (GTK_OBJECT (eth), eth_signals [EXPANSION_CHANGE]);
- return;
- }
-
- total_extra = usable_width - min_width;
- /* If there's no extra space, set all expansions to 0. */
- if (total_extra <= 0) {
- for (i = idx; i < eth->col_count; i++) {
- eth->columns[i]->expansion = 0;
- }
- gtk_signal_emit (GTK_OBJECT (eth), eth_signals [EXPANSION_CHANGE]);
- return;
- }
-
- /* If you try to resize smaller than the minimum width, it
- * uses the minimum. */
- if (size < eth->columns[idx]->min_width + eth->width_extras)
- size = eth->columns[idx]->min_width + eth->width_extras;
-
- /* If all the extra space will be used up in this column, use
- * all the expansion and set all others to 0.
- */
- if (size >= total_extra + eth->columns[idx]->min_width + eth->width_extras) {
- eth->columns[idx]->expansion = expansion;
- for (i = idx + 1; i < eth->col_count; i++) {
- eth->columns[i]->expansion = 0;
- }
- gtk_signal_emit (GTK_OBJECT (eth), eth_signals [EXPANSION_CHANGE]);
- return;
- }
-
- /* The old_expansion used by columns to the right. */
- old_expansion = expansion;
- old_expansion -= eth->columns[idx]->expansion;
- /* Set the new expansion so that it will generate the desired size. */
- eth->columns[idx]->expansion = expansion * (((double)(size - (eth->columns[idx]->min_width + eth->width_extras)))/((double)total_extra));
- /* The expansion left for the columns on the right. */
- expansion -= eth->columns[idx]->expansion;
-
- /* (2) If the old columns to the right didn't have any
- * expansion before, expand them evenly. old_expansion > 0 by
- * expansion = SUM(i=idx to col_count -1,
- * columns[i]->min_width) - columns[idx]->min_width) =
- * SUM(non-negatives).
- */
- if (old_expansion == 0) {
- for (i = idx + 1; i < eth->col_count; i++) {
- if (eth->columns[idx]->resizable) {
- /* expandable_count != 0 by (1) */
- eth->columns[i]->expansion = expansion / expandable_count;
- }
- }
- gtk_signal_emit (GTK_OBJECT (eth), eth_signals [EXPANSION_CHANGE]);
- return;
- }
-
- /* Remove from total_extra the amount used for this column. */
- total_extra -= size - (eth->columns[idx]->min_width + eth->width_extras);
- for (i = idx + 1; i < eth->col_count; i++) {
- if (eth->columns[idx]->resizable) {
- /* old_expansion != 0 by (2) */
- eth->columns[i]->expansion *= expansion / old_expansion;
- }
- }
- gtk_signal_emit (GTK_OBJECT (eth), eth_signals [EXPANSION_CHANGE]);
-}
-
-/**
- * e_table_header_col_diff:
- * @eth: the ETableHeader to query.
- * @start_col: the starting column
- * @end_col: the ending column.
- *
- * Computes the number of pixels between the columns @start_col and
- * @end_col.
- *
- * Returns: the number of pixels between @start_col and @end_col on the
- * @eth ETableHeader object
- */
-int
-e_table_header_col_diff (ETableHeader *eth, int start_col, int end_col)
-{
- int total, col;
-
- g_return_val_if_fail (eth != NULL, 0);
- g_return_val_if_fail (E_IS_TABLE_HEADER (eth), 0);
-
- if (start_col < 0)
- start_col = 0;
- if (end_col > eth->col_count)
- end_col = eth->col_count;
-
- total = 0;
- for (col = start_col; col < end_col; col++){
-
- total += eth->columns [col]->width;
- }
-
- return total;
-}
-
-static void
-eth_calc_widths (ETableHeader *eth)
-{
- int i;
- int extra;
- double expansion;
- int last_position = 0;
- double next_position = 0;
- int last_resizable = -1;
- int *widths;
- gboolean changed;
-
- widths = g_new (int, eth->col_count);
-
- /* - 1 to account for the last pixel border. */
- extra = eth->width - 1;
- expansion = 0;
- for (i = 0; i < eth->col_count; i++) {
- extra -= eth->columns[i]->min_width + eth->width_extras;
- if (eth->columns[i]->resizable && eth->columns[i]->expansion > 0)
- last_resizable = i;
- expansion += eth->columns[i]->resizable ? eth->columns[i]->expansion : 0;
- widths[i] = eth->columns[i]->min_width + eth->width_extras;
- }
- if (eth->sort_info)
- extra -= e_table_sort_info_grouping_get_count(eth->sort_info) * GROUP_INDENT;
- if (expansion != 0 && extra > 0) {
- for (i = 0; i < last_resizable; i++) {
- next_position += extra * (eth->columns[i]->resizable ? eth->columns[i]->expansion : 0)/expansion;
- widths[i] += next_position - last_position;
- last_position = next_position;
- }
- widths[i] += extra - last_position;
- }
-
- changed = FALSE;
-
- for (i = 0; i < eth->col_count; i++) {
- if (eth->columns[i]->width != widths[i]) {
- changed = TRUE;
- eth->columns[i]->width = widths[i];
- }
- }
- g_free (widths);
- if (changed)
- gtk_signal_emit (GTK_OBJECT (eth), eth_signals [DIMENSION_CHANGE]);
- eth_update_offsets (eth);
-}
-
-void
-e_table_header_update_horizontal (ETableHeader *eth)
-{
- int i;
- int cols;
-
- cols = eth->col_count;
-
- for (i = 0; i < cols; i++) {
- int width = 0;
-
- gtk_signal_emit_by_name (GTK_OBJECT (eth),
- "request_width",
- i, &width);
- eth->columns[i]->min_width = width + 10;
- eth->columns[i]->expansion = 1;
- }
- enqueue(eth, -1, eth->nominal_width);
- gtk_signal_emit (GTK_OBJECT (eth), eth_signals [EXPANSION_CHANGE]);
-}
-
-GtkType
-e_table_header_get_type (void)
-{
- static GtkType type = 0;
-
- if (!type){
- GtkTypeInfo info = {
- "ETableHeader",
- sizeof (ETableHeader),
- sizeof (ETableHeaderClass),
- (GtkClassInitFunc) e_table_header_class_init,
- (GtkObjectInitFunc) e_table_header_init,
- NULL, /* reserved 1 */
- NULL, /* reserved 2 */
- (GtkClassInitFunc) NULL
- };
-
- type = gtk_type_unique (gtk_object_get_type (), &info);
- }
-
- return type;
-}
-
-int
-e_table_header_prioritized_column (ETableHeader *eth)
-{
- int best_model_col = 0;
- int best_priority;
- int i;
- int count;
-
- count = e_table_header_count (eth);
- if (count == 0)
- return -1;
- best_priority = e_table_header_get_column (eth, 0)->priority;
- best_model_col = e_table_header_get_column (eth, 0)->col_idx;
- for (i = 1; i < count; i++) {
- int priority = e_table_header_get_column (eth, i)->priority;
- if (priority > best_priority) {
- best_priority = priority;
- best_model_col = e_table_header_get_column (eth, i)->col_idx;
- }
- }
- return best_model_col;
-}