/*
* This program 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.
*
* 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 Lesser General Public License
* along with this program; if not, see <http://www.gnu.org/licenses/>.
*
*
* Authors:
* Chris Lahey <clahey@ximian.com>
* Miguel de Icaza <miguel@ximian.com>
*
* Copyright (C) 1999-2008 Novell, Inc. (www.novell.com)
*
*/
#include "evolution-config.h"
#include <string.h>
#include <gtk/gtk.h>
#include "e-marshal.h"
#include "e-table-defines.h"
#include "e-table-header.h"
enum {
PROP_0,
PROP_SORT_INFO,
PROP_WIDTH,
PROP_WIDTH_EXTRAS
};
enum {
STRUCTURE_CHANGE,
DIMENSION_CHANGE,
EXPANSION_CHANGE,
REQUEST_WIDTH,
LAST_SIGNAL
};
static void eth_set_size (ETableHeader *eth, gint idx, gint size);
static void eth_calc_widths (ETableHeader *eth);
static guint eth_signals[LAST_SIGNAL] = { 0, };
G_DEFINE_TYPE (ETableHeader, e_table_header, G_TYPE_OBJECT)
struct two_ints {
gint column;
gint width;
};
static void
eth_set_width (ETableHeader *eth,
gint width)
{
eth->width = width;
}
static void
dequeue (ETableHeader *eth,
gint *column,
gint *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)
{
gint 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,
gint column,
gint 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,
gint idx,
gint 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,
gint idx,
gboolean do_unref)
{
if (do_unref)
g_object_unref (eth->columns[idx]);
memmove (
ð->columns[idx], ð->columns[idx + 1],
sizeof (ETableCol *) * (eth->col_count - idx - 1));
eth->col_count--;
}
static void
eth_finalize (GObject *object)
{
ETableHeader *eth = E_TABLE_HEADER (object);
const gint cols = eth->col_count;
gint i;
if (eth->sort_info) {
if (eth->sort_info_group_change_id)
g_signal_handler_disconnect (
eth->sort_info,
eth->sort_info_group_change_id);
g_object_unref (eth->sort_info);
eth->sort_info = NULL;
}
if (eth->idle)
g_source_remove (eth->idle);
eth->idle = 0;
if (eth->change_queue) {
g_slist_foreach (eth->change_queue, (GFunc) g_free, NULL);
g_slist_free (eth->change_queue);
eth->change_queue = NULL;
}
/*
* Destroy columns
*/
for (i = cols - 1; i >= 0; i--) {
eth_do_remove (eth, i, TRUE);
}
g_free (eth->columns);
eth->col_count = 0;
eth->columns = NULL;
/* Chain up to parent's finalize() method. */
G_OBJECT_CLASS (e_table_header_parent_class)->finalize (object);
}
static void
eth_group_info_changed (ETableSortInfo *info,
ETableHeader *eth)
{
enqueue (eth, -1, eth->nominal_width);
}
static void
eth_set_property (GObject *object,
guint property_id,
const GValue *val,
GParamSpec *pspec)
{
ETableHeader *eth = E_TABLE_HEADER (object);
switch (property_id) {
case PROP_WIDTH:
eth->nominal_width = g_value_get_double (val);
enqueue (eth, -1, eth->nominal_width);
break;
case PROP_WIDTH_EXTRAS:
eth->width_extras = g_value_get_double (val);
enqueue (eth, -1, eth->nominal_width);
break;
case PROP_SORT_INFO:
if (eth->sort_info) {
if (eth->sort_info_group_change_id)
g_signal_handler_disconnect (
eth->sort_info,
eth->sort_info_group_change_id);
g_object_unref (eth->sort_info);
}
eth->sort_info = E_TABLE_SORT_INFO (g_value_get_object (val));
if (eth->sort_info) {
g_object_ref (eth->sort_info);
eth->sort_info_group_change_id = g_signal_connect (
eth->sort_info, "group_info_changed",
G_CALLBACK (eth_group_info_changed), eth);
}
enqueue (eth, -1, eth->nominal_width);
break;
default:
break;
}
}
static void
eth_get_property (GObject *object,
guint property_id,
GValue *val,
GParamSpec *pspec)
{
ETableHeader *eth = E_TABLE_HEADER (object);
switch (property_id) {
case PROP_SORT_INFO:
g_value_set_object (val, eth->sort_info);
break;
case PROP_WIDTH:
g_value_set_double (val, eth->nominal_width);
break;
case PROP_WIDTH_EXTRAS:
g_value_set_double (val, eth->width_extras);
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);
break;
}
}
static void
e_table_header_class_init (ETableHeaderClass *class)
{
GObjectClass *object_class = G_OBJECT_CLASS (class);
object_class->finalize = eth_finalize;
object_class->set_property = eth_set_property;
object_class->get_property = eth_get_property;
g_object_class_install_property (
object_class,
PROP_WIDTH,
g_param_spec_double (
"width", "Width", "Width",
0.0, G_MAXDOUBLE, 0.0,
G_PARAM_READWRITE));
g_object_class_install_property (
object_class,
PROP_WIDTH_EXTRAS,
g_param_spec_double (
"width_extras",
"Width of Extras",
"Width of Extras",
0.0, G_MAXDOUBLE, 0.0,
G_PARAM_READWRITE));
g_object_class_install_property (
object_class,
PROP_SORT_INFO,
g_param_spec_object (
"sort_info",
"Sort Info",
"Sort Info",
E_TYPE_TABLE_SORT_INFO,
G_PARAM_READWRITE));
eth_signals[STRUCTURE_CHANGE] = g_signal_new (
"structure_change",
G_TYPE_FROM_CLASS (object_class),
G_SIGNAL_RUN_LAST,
G_STRUCT_OFFSET (ETableHeaderClass, structure_change),
(GSignalAccumulator) NULL, NULL,
g_cclosure_marshal_VOID__VOID,
G_TYPE_NONE, 0);
eth_signals[DIMENSION_CHANGE] = g_signal_new (
"dimension_change",
G_TYPE_FROM_CLASS (object_class),
G_SIGNAL_RUN_LAST,
G_STRUCT_OFFSET (ETableHeaderClass, dimension_change),
(GSignalAccumulator) NULL, NULL,
g_cclosure_marshal_VOID__INT,
G_TYPE_NONE, 1,
G_TYPE_INT);
eth_signals[EXPANSION_CHANGE] = g_signal_new (
"expansion_change",
G_TYPE_FROM_CLASS (object_class),
G_SIGNAL_RUN_LAST,
G_STRUCT_OFFSET (ETableHeaderClass, expansion_change),
(GSignalAccumulator) NULL, NULL,
g_cclosure_marshal_VOID__VOID,
G_TYPE_NONE, 0);
eth_signals[REQUEST_WIDTH] = g_signal_new (
"request_width",
G_TYPE_FROM_CLASS (object_class),
G_SIGNAL_RUN_LAST,
G_STRUCT_OFFSET (ETableHeaderClass, request_width),
(GSignalAccumulator) NULL, NULL,
e_marshal_INT__INT,
G_TYPE_INT, 1,
G_TYPE_INT);
class->structure_change = NULL;
class->dimension_change = NULL;
class->expansion_change = NULL;
class->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)
{
return g_object_new (E_TYPE_TABLE_HEADER, NULL);
}
static void
eth_update_offsets (ETableHeader *eth)
{
gint i;
gint 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,
gint pos,
ETableCol *val)
{
memmove (
ð->columns[pos + 1], ð->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,
gint 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
*/
g_object_ref (tc);
eth_do_insert (eth, pos, tc);
enqueue (eth, -1, eth->nominal_width);
g_signal_emit (eth, eth_signals[STRUCTURE_CHANGE], 0);
}
/**
* 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,
gint 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_spec:
* @eth: the ETableHeader to query
* @spec: an #ETableColumnSpecification
*
* Returns the #ETableCol having @spec as the column specification, or
* %NULL if there is no matching #ETableCol.
*
* Returns: an #ETableCol, or %NULL
**/
ETableCol *
e_table_header_get_column_by_spec (ETableHeader *eth,
ETableColumnSpecification *spec)
{
gint ii;
g_return_val_if_fail (E_IS_TABLE_HEADER (eth), NULL);
g_return_val_if_fail (E_IS_TABLE_COLUMN_SPECIFICATION (spec), NULL);
for (ii = 0; ii < eth->col_count; ii++) {
gboolean column_specs_equal;
column_specs_equal = e_table_column_specification_equal (
spec, eth->columns[ii]->spec);
if (column_specs_equal)
return eth->columns[ii];
}
return NULL;
}
/**
* 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,
gint col_idx)
{
gint 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]->spec->model_col == 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.
*/
gint
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. */
gint
e_table_header_index (ETableHeader *eth,
gint 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]->spec->model_col;
}
/**
* 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.
*/
gint
e_table_header_get_index_at (ETableHeader *eth,
gint x_offset)
{
gint 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 g_object_unref every element returned
*/
ETableCol **
e_table_header_get_columns (ETableHeader *eth)
{
ETableCol **ret;
gint i;
g_return_val_if_fail (eth != NULL, NULL);
g_return_val_if_fail (E_IS_TABLE_HEADER (eth), NULL);
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++) {
g_object_ref (ret[i]);
}
return ret;
}
/**
* e_table_header_get_selected:
* @eth: The ETableHeader to query
*
* Returns: The number of selected columns in the @eth object.
*/
gint
e_table_header_get_selected (ETableHeader *eth)
{
gint i;
gint 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
*/
gint
e_table_header_total_width (ETableHeader *eth)
{
gint 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_min_width:
* @eth: The ETableHeader to query
*
* Returns: the minimum number of pixels required by the @eth object.
**/
gint
e_table_header_min_width (ETableHeader *eth)
{
gint 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]->min_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,
gint source_index,
gint 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);
/* Can be moved beyond the last item. */
g_return_if_fail (target_index < eth->col_count + 1);
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);
g_signal_emit (eth, eth_signals[DIMENSION_CHANGE], 0, eth->width);
g_signal_emit (eth, eth_signals[STRUCTURE_CHANGE], 0);
}
/**
* 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,
gint 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);
g_signal_emit (eth, eth_signals[STRUCTURE_CHANGE], 0);
}
/*
* 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,
gint idx,
gint size)
{
gdouble expansion;
gdouble old_expansion;
gint min_width;
gint left_width;
gint total_extra;
gint expandable_count;
gint usable_width;
gint 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]->spec->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]->spec->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;
}
g_signal_emit (eth, eth_signals[EXPANSION_CHANGE], 0);
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;
}
g_signal_emit (eth, eth_signals[EXPANSION_CHANGE], 0);
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;
}
g_signal_emit (eth, eth_signals[EXPANSION_CHANGE], 0);
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 * (((gdouble)(size - (eth->columns[idx]->min_width +
eth->width_extras))) / ((gdouble) 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]->spec->resizable) {
/* expandable_count != 0 by (1) */
eth->columns[i]->expansion = expansion / expandable_count;
}
}
g_signal_emit (eth, eth_signals[EXPANSION_CHANGE], 0);
return;
}
for (i = idx + 1; i < eth->col_count; i++) {
if (eth->columns[idx]->spec->resizable) {
/* old_expansion != 0 by (2) */
eth->columns[i]->expansion *= expansion / old_expansion;
}
}
g_signal_emit (eth, eth_signals[EXPANSION_CHANGE], 0);
}
/**
* 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
*/
gint
e_table_header_col_diff (ETableHeader *eth,
gint start_col,
gint end_col)
{
gint 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)
{
gint i;
gint extra;
gdouble expansion;
gint last_position = 0;
gdouble next_position = 0;
gint last_resizable = -1;
gint *widths;
gboolean changed;
widths = g_new0 (int, eth->col_count + 1);
extra = eth->width;
expansion = 0;
for (i = 0; i < eth->col_count; i++) {
extra -= eth->columns[i]->min_width + eth->width_extras;
if (eth->columns[i]->spec->resizable && eth->columns[i]->expansion > 0)
last_resizable = i;
expansion += eth->columns[i]->spec->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]->spec->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)
g_signal_emit (eth, eth_signals[DIMENSION_CHANGE], 0, eth->width);
eth_update_offsets (eth);
}
void
e_table_header_update_horizontal (ETableHeader *eth)
{
gint i;
gint cols;
cols = eth->col_count;
for (i = 0; i < cols; i++) {
gint width = 0;
g_signal_emit_by_name (
eth, "request_width", i, &width);
eth->columns[i]->min_width = width + 10;
eth->columns[i]->expansion = 1;
}
enqueue (eth, -1, eth->nominal_width);
g_signal_emit (eth, eth_signals[EXPANSION_CHANGE], 0);
}
gint
e_table_header_prioritized_column (ETableHeader *eth)
{
gint best_model_col = 0;
gint best_priority;
gint i;
gint count;
count = e_table_header_count (eth);
if (count == 0)
return -1;
best_priority = e_table_header_get_column (eth, 0)->spec->priority;
best_model_col = e_table_header_get_column (eth, 0)->spec->model_col;
for (i = 1; i < count; i++) {
gint priority = e_table_header_get_column (eth, i)->spec->priority;
if (priority > best_priority) {
best_priority = priority;
best_model_col = e_table_header_get_column (eth, i)->spec->model_col;
}
}
return best_model_col;
}
ETableCol *
e_table_header_prioritized_column_selected (ETableHeader *eth,
ETableColCheckFunc check_func,
gpointer user_data)
{
ETableCol *best_col = NULL;
gint best_priority = G_MININT;
gint i;
gint count;
count = e_table_header_count (eth);
if (count == 0)
return NULL;
for (i = 1; i < count; i++) {
ETableCol *col = e_table_header_get_column (eth, i);
if (col) {
if ((best_col == NULL || col->spec->priority > best_priority)
&& check_func (col, user_data)) {
best_priority = col->spec->priority;
best_col = col;
}
}
}
return best_col;
}