/*
* e-table.c - A graphical view of a Table.
*
* 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; either
* version 2 of the License, or (at your option) version 3.
*
* 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with the program; if not, see
*
*
* Authors:
* Chris Lahey
* Miguel de Icaza
*
* Copyright (C) 1999-2008 Novell, Inc. (www.novell.com)
*
*/
#ifdef HAVE_CONFIG_H
#include
#endif
#include "e-table.h"
#include
#include
#include
#include
#include
#include
#include
#include
#include "e-canvas-background.h"
#include "e-canvas-vbox.h"
#include "e-canvas.h"
#include "e-table-click-to-add.h"
#include "e-table-column-specification.h"
#include "e-table-group-leaf.h"
#include "e-table-header-item.h"
#include "e-table-header-utils.h"
#include "e-table-subset.h"
#include "e-table-utils.h"
#include "e-unicode.h"
#include "gal-a11y-e-table.h"
#define COLUMN_HEADER_HEIGHT 16
#define d(x)
#if d(!)0
#define e_table_item_leave_edit_(x) \
(e_table_item_leave_edit ((x)), \
g_print ("%s: e_table_item_leave_edit\n", __FUNCTION__))
#else
#define e_table_item_leave_edit_(x) (e_table_item_leave_edit((x)))
#endif
enum {
CURSOR_CHANGE,
CURSOR_ACTIVATED,
SELECTION_CHANGE,
DOUBLE_CLICK,
RIGHT_CLICK,
CLICK,
KEY_PRESS,
START_DRAG,
STATE_CHANGE,
WHITE_SPACE_EVENT,
CUT_CLIPBOARD,
COPY_CLIPBOARD,
PASTE_CLIPBOARD,
SELECT_ALL,
TABLE_DRAG_BEGIN,
TABLE_DRAG_END,
TABLE_DRAG_DATA_GET,
TABLE_DRAG_DATA_DELETE,
TABLE_DRAG_LEAVE,
TABLE_DRAG_MOTION,
TABLE_DRAG_DROP,
TABLE_DRAG_DATA_RECEIVED,
LAST_SIGNAL
};
enum {
PROP_0,
PROP_LENGTH_THRESHOLD,
PROP_MODEL,
PROP_UNIFORM_ROW_HEIGHT,
PROP_ALWAYS_SEARCH,
PROP_USE_CLICK_TO_ADD,
PROP_HADJUSTMENT,
PROP_VADJUSTMENT,
PROP_HSCROLL_POLICY,
PROP_VSCROLL_POLICY,
PROP_IS_EDITING
};
enum {
ET_SCROLL_UP = 1 << 0,
ET_SCROLL_DOWN = 1 << 1,
ET_SCROLL_LEFT = 1 << 2,
ET_SCROLL_RIGHT = 1 << 3
};
static guint et_signals[LAST_SIGNAL] = { 0 };
static void e_table_fill_table (ETable *e_table, ETableModel *model);
static gboolean changed_idle (gpointer data);
static void et_grab_focus (GtkWidget *widget);
static void et_drag_begin (GtkWidget *widget,
GdkDragContext *context,
ETable *et);
static void et_drag_end (GtkWidget *widget,
GdkDragContext *context,
ETable *et);
static void et_drag_data_get (GtkWidget *widget,
GdkDragContext *context,
GtkSelectionData *selection_data,
guint info,
guint time,
ETable *et);
static void et_drag_data_delete (GtkWidget *widget,
GdkDragContext *context,
ETable *et);
static void et_drag_leave (GtkWidget *widget,
GdkDragContext *context,
guint time,
ETable *et);
static gboolean et_drag_motion (GtkWidget *widget,
GdkDragContext *context,
gint x,
gint y,
guint time,
ETable *et);
static gboolean et_drag_drop (GtkWidget *widget,
GdkDragContext *context,
gint x,
gint y,
guint time,
ETable *et);
static void et_drag_data_received (GtkWidget *widget,
GdkDragContext *context,
gint x,
gint y,
GtkSelectionData *selection_data,
guint info,
guint time,
ETable *et);
static gint et_focus (GtkWidget *container, GtkDirectionType direction);
static void scroll_off (ETable *et);
static void scroll_on (ETable *et, guint scroll_direction);
G_DEFINE_TYPE_WITH_CODE (ETable, e_table, GTK_TYPE_TABLE,
G_IMPLEMENT_INTERFACE (GTK_TYPE_SCROLLABLE, NULL))
static void
et_disconnect_model (ETable *et)
{
if (et->model == NULL)
return;
if (et->table_model_change_id != 0)
g_signal_handler_disconnect (
et->model, et->table_model_change_id);
if (et->table_row_change_id != 0)
g_signal_handler_disconnect (
et->model, et->table_row_change_id);
if (et->table_cell_change_id != 0)
g_signal_handler_disconnect (
et->model, et->table_cell_change_id);
if (et->table_rows_inserted_id != 0)
g_signal_handler_disconnect (
et->model, et->table_rows_inserted_id);
if (et->table_rows_deleted_id != 0)
g_signal_handler_disconnect (
et->model, et->table_rows_deleted_id);
et->table_model_change_id = 0;
et->table_row_change_id = 0;
et->table_cell_change_id = 0;
et->table_rows_inserted_id = 0;
et->table_rows_deleted_id = 0;
}
static void
e_table_state_change (ETable *et)
{
if (et->state_change_freeze)
et->state_changed = TRUE;
else
g_signal_emit (et, et_signals[STATE_CHANGE], 0);
}
#define CHECK_HORIZONTAL(et) \
if ((et)->horizontal_scrolling || (et)->horizontal_resize) \
e_table_header_update_horizontal (et->header);
static void
clear_current_search_col (ETable *et)
{
et->search_col_set = FALSE;
}
static ETableCol *
current_search_col (ETable *et)
{
if (!et->search_col_set) {
et->current_search_col =
e_table_util_calculate_current_search_col (
et->header,
et->full_header,
et->sort_info,
et->always_search);
et->search_col_set = TRUE;
}
return et->current_search_col;
}
static void
et_get_preferred_width (GtkWidget *widget,
gint *minimum,
gint *natural)
{
ETable *et = E_TABLE (widget);
GTK_WIDGET_CLASS (e_table_parent_class)->
get_preferred_width (widget, minimum, natural);
if (et->horizontal_resize) {
*minimum = MAX (*minimum, et->header_width);
*natural = MAX (*natural, et->header_width);
}
}
static void
et_get_preferred_height (GtkWidget *widget,
gint *minimum,
gint *natural)
{
GTK_WIDGET_CLASS (e_table_parent_class)->
get_preferred_height (widget, minimum, natural);
}
static void
set_header_width (ETable *et)
{
if (et->horizontal_resize) {
et->header_width = e_table_header_min_width (et->header);
gtk_widget_queue_resize (GTK_WIDGET (et));
}
}
static void
structure_changed (ETableHeader *header,
ETable *et)
{
e_table_state_change (et);
set_header_width (et);
clear_current_search_col (et);
}
static void
expansion_changed (ETableHeader *header,
ETable *et)
{
e_table_state_change (et);
set_header_width (et);
}
static void
dimension_changed (ETableHeader *header,
gint total_width,
ETable *et)
{
set_header_width (et);
}
static void
disconnect_header (ETable *e_table)
{
if (e_table->header == NULL)
return;
if (e_table->structure_change_id)
g_signal_handler_disconnect (
e_table->header, e_table->structure_change_id);
if (e_table->expansion_change_id)
g_signal_handler_disconnect (
e_table->header, e_table->expansion_change_id);
if (e_table->dimension_change_id)
g_signal_handler_disconnect (
e_table->header, e_table->dimension_change_id);
g_object_unref (e_table->header);
e_table->header = NULL;
}
static void
connect_header (ETable *e_table,
ETableState *state)
{
if (e_table->header != NULL)
disconnect_header (e_table);
e_table->header = e_table_state_to_header (
GTK_WIDGET (e_table), e_table->full_header, state);
e_table->structure_change_id = g_signal_connect (
e_table->header, "structure_change",
G_CALLBACK (structure_changed), e_table);
e_table->expansion_change_id = g_signal_connect (
e_table->header, "expansion_change",
G_CALLBACK (expansion_changed), e_table);
e_table->dimension_change_id = g_signal_connect (
e_table->header, "dimension_change",
G_CALLBACK (dimension_changed), e_table);
}
static void
et_dispose (GObject *object)
{
ETable *et = E_TABLE (object);
et_disconnect_model (et);
if (et->search) {
if (et->search_search_id)
g_signal_handler_disconnect (
et->search, et->search_search_id);
if (et->search_accept_id)
g_signal_handler_disconnect (
et->search, et->search_accept_id);
g_object_unref (et->search);
et->search = NULL;
}
if (et->group_info_change_id) {
g_signal_handler_disconnect (
et->sort_info, et->group_info_change_id);
et->group_info_change_id = 0;
}
if (et->sort_info_change_id) {
g_signal_handler_disconnect (
et->sort_info, et->sort_info_change_id);
et->sort_info_change_id = 0;
}
if (et->reflow_idle_id) {
g_source_remove (et->reflow_idle_id);
et->reflow_idle_id = 0;
}
scroll_off (et);
disconnect_header (et);
if (et->model) {
g_object_unref (et->model);
et->model = NULL;
}
if (et->full_header) {
g_object_unref (et->full_header);
et->full_header = NULL;
}
if (et->sort_info) {
g_object_unref (et->sort_info);
et->sort_info = NULL;
}
if (et->sorter) {
g_object_unref (et->sorter);
et->sorter = NULL;
}
if (et->selection) {
g_object_unref (et->selection);
et->selection = NULL;
}
if (et->spec) {
g_object_unref (et->spec);
et->spec = NULL;
}
if (et->header_canvas != NULL) {
gtk_widget_destroy (GTK_WIDGET (et->header_canvas));
et->header_canvas = NULL;
}
if (et->site != NULL) {
e_table_drag_source_unset (et);
et->site = NULL;
}
if (et->table_canvas != NULL) {
gtk_widget_destroy (GTK_WIDGET (et->table_canvas));
et->table_canvas = NULL;
}
if (et->rebuild_idle_id != 0) {
g_source_remove (et->rebuild_idle_id);
et->rebuild_idle_id = 0;
}
g_free (et->click_to_add_message);
et->click_to_add_message = NULL;
g_free (et->domain);
et->domain = NULL;
G_OBJECT_CLASS (e_table_parent_class)->dispose (object);
}
static void
et_unrealize (GtkWidget *widget)
{
scroll_off (E_TABLE (widget));
if (GTK_WIDGET_CLASS (e_table_parent_class)->unrealize)
GTK_WIDGET_CLASS (e_table_parent_class)->unrealize (widget);
}
static gboolean
check_row (ETable *et,
gint model_row,
gint col,
ETableSearchFunc search,
gchar *string)
{
gconstpointer value;
value = e_table_model_value_at (et->model, col, model_row);
return search (value, string);
}
static gboolean
et_search_search (ETableSearch *search,
gchar *string,
ETableSearchFlags flags,
ETable *et)
{
gint cursor;
gint rows;
gint i;
ETableCol *col = current_search_col (et);
if (col == NULL)
return FALSE;
rows = e_table_model_row_count (et->model);
g_object_get (
et->selection,
"cursor_row", &cursor,
NULL);
if ((flags & E_TABLE_SEARCH_FLAGS_CHECK_CURSOR_FIRST) &&
cursor < rows && cursor >= 0 &&
check_row (et, cursor, col->spec->model_col, col->search, string))
return TRUE;
cursor = e_sorter_model_to_sorted (E_SORTER (et->sorter), cursor);
for (i = cursor + 1; i < rows; i++) {
gint model_row = e_sorter_sorted_to_model (E_SORTER (et->sorter), i);
if (check_row (et, model_row, col->spec->model_col, col->search, string)) {
e_selection_model_select_as_key_press (
E_SELECTION_MODEL (et->selection),
model_row, col->spec->model_col,
GDK_CONTROL_MASK);
return TRUE;
}
}
for (i = 0; i < cursor; i++) {
gint model_row = e_sorter_sorted_to_model (E_SORTER (et->sorter), i);
if (check_row (et, model_row, col->spec->model_col, col->search, string)) {
e_selection_model_select_as_key_press (
E_SELECTION_MODEL (et->selection),
model_row, col->spec->model_col,
GDK_CONTROL_MASK);
return TRUE;
}
}
cursor = e_sorter_sorted_to_model (E_SORTER (et->sorter), cursor);
/* Check if the cursor row is the only matching row. */
return (!(flags & E_TABLE_SEARCH_FLAGS_CHECK_CURSOR_FIRST) &&
cursor < rows && cursor >= 0 &&
check_row (et, cursor, col->spec->model_col, col->search, string));
}
static void
et_search_accept (ETableSearch *search,
ETable *et)
{
gint cursor;
ETableCol *col = current_search_col (et);
if (col == NULL)
return;
g_object_get (et->selection, "cursor_row", &cursor, NULL);
e_selection_model_select_as_key_press (
E_SELECTION_MODEL (et->selection),
cursor, col->spec->model_col, 0);
}
static void
init_search (ETable *e_table)
{
if (e_table->search != NULL)
return;
e_table->search = e_table_search_new ();
e_table->search_search_id = g_signal_connect (
e_table->search, "search",
G_CALLBACK (et_search_search), e_table);
e_table->search_accept_id = g_signal_connect (
e_table->search, "accept",
G_CALLBACK (et_search_accept), e_table);
}
static void
et_finalize (GObject *object)
{
ETable *et = E_TABLE (object);
g_free (et->click_to_add_message);
et->click_to_add_message = NULL;
g_free (et->domain);
et->domain = NULL;
G_OBJECT_CLASS (e_table_parent_class)->finalize (object);
}
static void
e_table_init (ETable *e_table)
{
gtk_widget_set_can_focus (GTK_WIDGET (e_table), TRUE);
gtk_table_set_homogeneous (GTK_TABLE (e_table), FALSE);
e_table->sort_info = NULL;
e_table->group_info_change_id = 0;
e_table->sort_info_change_id = 0;
e_table->structure_change_id = 0;
e_table->expansion_change_id = 0;
e_table->dimension_change_id = 0;
e_table->reflow_idle_id = 0;
e_table->scroll_idle_id = 0;
e_table->alternating_row_colors = 1;
e_table->horizontal_draw_grid = 1;
e_table->vertical_draw_grid = 1;
e_table->draw_focus = 1;
e_table->cursor_mode = E_CURSOR_SIMPLE;
e_table->length_threshold = 200;
e_table->uniform_row_height = FALSE;
e_table->need_rebuild = 0;
e_table->rebuild_idle_id = 0;
e_table->horizontal_scrolling = FALSE;
e_table->horizontal_resize = FALSE;
e_table->click_to_add_message = NULL;
e_table->domain = NULL;
e_table->drop_row = -1;
e_table->drop_col = -1;
e_table->site = NULL;
e_table->do_drag = 0;
e_table->sorter = NULL;
e_table->selection = e_table_selection_model_new ();
e_table->cursor_loc = E_TABLE_CURSOR_LOC_NONE;
e_table->spec = NULL;
e_table->always_search = g_getenv ("GAL_ALWAYS_SEARCH") ? TRUE : FALSE;
e_table->search = NULL;
e_table->search_search_id = 0;
e_table->search_accept_id = 0;
e_table->current_search_col = NULL;
e_table->header_width = 0;
e_table->state_changed = FALSE;
e_table->state_change_freeze = 0;
}
/* Grab_focus handler for the ETable */
static void
et_grab_focus (GtkWidget *widget)
{
ETable *e_table;
e_table = E_TABLE (widget);
gtk_widget_grab_focus (GTK_WIDGET (e_table->table_canvas));
}
/* Focus handler for the ETable */
static gint
et_focus (GtkWidget *container,
GtkDirectionType direction)
{
ETable *e_table;
e_table = E_TABLE (container);
if (gtk_container_get_focus_child (GTK_CONTAINER (container))) {
gtk_container_set_focus_child (GTK_CONTAINER (container), NULL);
return FALSE;
}
return gtk_widget_child_focus (GTK_WIDGET (e_table->table_canvas), direction);
}
static void
set_header_canvas_width (ETable *e_table)
{
gdouble oldwidth, oldheight, width;
if (!(e_table->header_item && e_table->header_canvas && e_table->table_canvas))
return;
gnome_canvas_get_scroll_region (
GNOME_CANVAS (e_table->table_canvas),
NULL, NULL, &width, NULL);
gnome_canvas_get_scroll_region (
GNOME_CANVAS (e_table->header_canvas),
NULL, NULL, &oldwidth, &oldheight);
if (oldwidth != width ||
oldheight != E_TABLE_HEADER_ITEM (e_table->header_item)->height - 1)
gnome_canvas_set_scroll_region (
GNOME_CANVAS (e_table->header_canvas),
0, 0, width, /* COLUMN_HEADER_HEIGHT - 1 */
E_TABLE_HEADER_ITEM (e_table->header_item)->height - 1);
}
static void
header_canvas_size_allocate (GtkWidget *widget,
GtkAllocation *alloc,
ETable *e_table)
{
GtkAllocation allocation;
set_header_canvas_width (e_table);
gtk_widget_get_allocation (
GTK_WIDGET (e_table->header_canvas), &allocation);
/* When the header item is created ->height == 0,
* as the font is only created when everything is realized.
* So we set the usize here as well, so that the size of the
* header is correct */
if (allocation.height != E_TABLE_HEADER_ITEM (e_table->header_item)->height)
g_object_set (
e_table->header_canvas, "height-request",
E_TABLE_HEADER_ITEM (e_table->header_item)->height,
NULL);
}
static void
group_info_changed (ETableSortInfo *info,
ETable *et)
{
gboolean will_be_grouped = e_table_sort_info_grouping_get_count (info) > 0;
clear_current_search_col (et);
if (et->is_grouped || will_be_grouped) {
et->need_rebuild = TRUE;
if (!et->rebuild_idle_id) {
g_object_run_dispose (G_OBJECT (et->group));
et->group = NULL;
et->rebuild_idle_id = g_idle_add_full (20, changed_idle, et, NULL);
}
}
e_table_state_change (et);
}
static void
sort_info_changed (ETableSortInfo *info,
ETable *et)
{
clear_current_search_col (et);
e_table_state_change (et);
}
static void
e_table_setup_header (ETable *e_table)
{
gchar *pointer;
e_table->header_canvas = GNOME_CANVAS (e_canvas_new ());
gtk_widget_show (GTK_WIDGET (e_table->header_canvas));
pointer = g_strdup_printf ("%p", (gpointer) e_table);
e_table->header_item = gnome_canvas_item_new (
gnome_canvas_root (e_table->header_canvas),
e_table_header_item_get_type (),
"ETableHeader", e_table->header,
"full_header", e_table->full_header,
"sort_info", e_table->sort_info,
"dnd_code", pointer,
"table", e_table,
NULL);
g_free (pointer);
g_signal_connect (
e_table->header_canvas, "size_allocate",
G_CALLBACK (header_canvas_size_allocate), e_table);
g_object_set (
e_table->header_canvas, "height-request",
E_TABLE_HEADER_ITEM (e_table->header_item)->height, NULL);
}
static gboolean
table_canvas_reflow_idle (ETable *e_table)
{
gdouble height, width;
gdouble oldheight, oldwidth;
GtkAllocation allocation;
gtk_widget_get_allocation (
GTK_WIDGET (e_table->table_canvas), &allocation);
g_object_get (
e_table->canvas_vbox,
"height", &height, "width", &width, NULL);
height = MAX ((gint) height, allocation.height);
width = MAX ((gint) width, allocation.width);
/* I have no idea why this needs to be -1, but it works. */
gnome_canvas_get_scroll_region (
GNOME_CANVAS (e_table->table_canvas),
NULL, NULL, &oldwidth, &oldheight);
if (oldwidth != width - 1 ||
oldheight != height - 1) {
gnome_canvas_set_scroll_region (
GNOME_CANVAS (e_table->table_canvas),
0, 0, width - 1, height - 1);
set_header_canvas_width (e_table);
}
e_table->reflow_idle_id = 0;
return FALSE;
}
static void
table_canvas_size_allocate (GtkWidget *widget,
GtkAllocation *alloc,
ETable *e_table)
{
gdouble width;
gdouble height;
GValue *val = g_new0 (GValue, 1);
g_value_init (val, G_TYPE_DOUBLE);
width = alloc->width;
g_value_set_double (val, width);
g_object_get (
e_table->canvas_vbox,
"height", &height,
NULL);
height = MAX ((gint) height, alloc->height);
g_object_set (
e_table->canvas_vbox,
"width", width,
NULL);
g_object_set_property (G_OBJECT (e_table->header), "width", val);
g_free (val);
if (e_table->reflow_idle_id)
g_source_remove (e_table->reflow_idle_id);
table_canvas_reflow_idle (e_table);
e_table->size_allocated = TRUE;
if (e_table->need_rebuild && !e_table->rebuild_idle_id)
e_table->rebuild_idle_id = g_idle_add_full (20, changed_idle, e_table, NULL);
}
static void
table_canvas_reflow (GnomeCanvas *canvas,
ETable *e_table)
{
if (!e_table->reflow_idle_id)
e_table->reflow_idle_id = g_idle_add_full (
400, (GSourceFunc) table_canvas_reflow_idle,
e_table, NULL);
}
static void
click_to_add_cursor_change (ETableClickToAdd *etcta,
gint row,
gint col,
ETable *et)
{
if (et->cursor_loc == E_TABLE_CURSOR_LOC_TABLE) {
e_selection_model_clear (E_SELECTION_MODEL (et->selection));
}
et->cursor_loc = E_TABLE_CURSOR_LOC_ETCTA;
}
static void
group_cursor_change (ETableGroup *etg,
gint row,
ETable *et)
{
ETableCursorLoc old_cursor_loc;
old_cursor_loc = et->cursor_loc;
et->cursor_loc = E_TABLE_CURSOR_LOC_TABLE;
g_signal_emit (et, et_signals[CURSOR_CHANGE], 0, row);
if (old_cursor_loc == E_TABLE_CURSOR_LOC_ETCTA && et->click_to_add)
e_table_click_to_add_commit (E_TABLE_CLICK_TO_ADD (et->click_to_add));
}
static void
group_cursor_activated (ETableGroup *etg,
gint row,
ETable *et)
{
g_signal_emit (et, et_signals[CURSOR_ACTIVATED], 0, row);
}
static void
group_double_click (ETableGroup *etg,
gint row,
gint col,
GdkEvent *event,
ETable *et)
{
g_signal_emit (et, et_signals[DOUBLE_CLICK], 0, row, col, event);
}
static gboolean
group_right_click (ETableGroup *etg,
gint row,
gint col,
GdkEvent *event,
ETable *et)
{
gboolean return_val = FALSE;
g_signal_emit (
et, et_signals[RIGHT_CLICK], 0,
row, col, event, &return_val);
return return_val;
}
static gboolean
group_click (ETableGroup *etg,
gint row,
gint col,
GdkEvent *event,
ETable *et)
{
gboolean return_val = 0;
g_signal_emit (
et, et_signals[CLICK], 0,
row, col, event, &return_val);
return return_val;
}
static gboolean
group_key_press (ETableGroup *etg,
gint row,
gint col,
GdkEvent *event,
ETable *et)
{
gboolean return_val = FALSE;
GdkEventKey *key = (GdkEventKey *) event;
gint y, row_local, col_local;
GtkAdjustment *adjustment;
GtkScrollable *scrollable;
gdouble page_size;
gdouble upper;
gdouble value;
scrollable = GTK_SCROLLABLE (et->table_canvas);
adjustment = gtk_scrollable_get_vadjustment (scrollable);
switch (key->keyval) {
case GDK_KEY_Page_Down:
case GDK_KEY_KP_Page_Down:
page_size = gtk_adjustment_get_page_size (adjustment);
upper = gtk_adjustment_get_value (adjustment);
value = gtk_adjustment_get_value (adjustment);
y = CLAMP (value + (2 * page_size - 50), 0, upper);
y -= value;
e_table_get_cell_at (et, 30, y, &row_local, &col_local);
if (row_local == -1)
row_local = e_table_model_row_count (et->model) - 1;
row_local = e_table_view_to_model_row (et, row_local);
col_local = e_selection_model_cursor_col (E_SELECTION_MODEL (et->selection));
e_selection_model_select_as_key_press (
E_SELECTION_MODEL (et->selection),
row_local, col_local, key->state);
return_val = 1;
break;
case GDK_KEY_Page_Up:
case GDK_KEY_KP_Page_Up:
page_size = gtk_adjustment_get_page_size (adjustment);
upper = gtk_adjustment_get_upper (adjustment);
value = gtk_adjustment_get_value (adjustment);
y = CLAMP (value - (page_size - 50), 0, upper);
y -= value;
e_table_get_cell_at (et, 30, y, &row_local, &col_local);
if (row_local == -1)
row_local = 0;
row_local = e_table_view_to_model_row (et, row_local);
col_local = e_selection_model_cursor_col (E_SELECTION_MODEL (et->selection));
e_selection_model_select_as_key_press (
E_SELECTION_MODEL (et->selection),
row_local, col_local, key->state);
return_val = 1;
break;
case GDK_KEY_BackSpace:
init_search (et);
if (e_table_search_backspace (et->search))
return TRUE;
/* Fall through */
default:
init_search (et);
if ((key->state & ~(GDK_SHIFT_MASK | GDK_LOCK_MASK |
GDK_MOD1_MASK | GDK_MOD2_MASK | GDK_MOD3_MASK |
GDK_MOD4_MASK | GDK_MOD5_MASK)) == 0
&& ((key->keyval >= GDK_KEY_a && key->keyval <= GDK_KEY_z) ||
(key->keyval >= GDK_KEY_A && key->keyval <= GDK_KEY_Z) ||
(key->keyval >= GDK_KEY_0 && key->keyval <= GDK_KEY_9)))
e_table_search_input_character (et->search, key->keyval);
g_signal_emit (
et, et_signals[KEY_PRESS], 0,
row, col, event, &return_val);
break;
}
return return_val;
}
static gboolean
group_start_drag (ETableGroup *etg,
gint row,
gint col,
GdkEvent *event,
ETable *et)
{
gboolean return_val = TRUE;
g_signal_emit (
et, et_signals[START_DRAG], 0,
row, col, event, &return_val);
return return_val;
}
static void
et_table_model_changed (ETableModel *model,
ETable *et)
{
et->need_rebuild = TRUE;
if (!et->rebuild_idle_id) {
g_object_run_dispose (G_OBJECT (et->group));
et->group = NULL;
et->rebuild_idle_id = g_idle_add_full (20, changed_idle, et, NULL);
}
}
static void
et_table_row_changed (ETableModel *table_model,
gint row,
ETable *et)
{
if (!et->need_rebuild) {
if (e_table_group_remove (et->group, row))
e_table_group_add (et->group, row);
CHECK_HORIZONTAL (et);
}
}
static void
et_table_cell_changed (ETableModel *table_model,
gint view_col,
gint row,
ETable *et)
{
et_table_row_changed (table_model, row, et);
}
static void
et_table_rows_inserted (ETableModel *table_model,
gint row,
gint count,
ETable *et)
{
/* This number has already been decremented. */
gint row_count = e_table_model_row_count (table_model);
if (!et->need_rebuild) {
gint i;
if (row != row_count - count)
e_table_group_increment (et->group, row, count);
for (i = 0; i < count; i++)
e_table_group_add (et->group, row + i);
CHECK_HORIZONTAL (et);
}
}
static void
et_table_rows_deleted (ETableModel *table_model,
gint row,
gint count,
ETable *et)
{
gint row_count = e_table_model_row_count (table_model);
if (!et->need_rebuild) {
gint i;
for (i = 0; i < count; i++)
e_table_group_remove (et->group, row + i);
if (row != row_count)
e_table_group_decrement (et->group, row, count);
CHECK_HORIZONTAL (et);
}
}
static void
group_is_editing_changed_cb (ETableClickToAdd *etcta,
GParamSpec *param,
ETable *table)
{
g_return_if_fail (E_IS_TABLE (table));
g_object_notify (G_OBJECT (table), "is-editing");
}
static void
et_build_groups (ETable *et)
{
gboolean was_grouped = et->is_grouped;
et->is_grouped = e_table_sort_info_grouping_get_count (et->sort_info) > 0;
et->group = e_table_group_new (
GNOME_CANVAS_GROUP (et->canvas_vbox),
et->full_header,
et->header,
et->model,
et->sort_info,
0);
if (et->use_click_to_add_end)
e_canvas_vbox_add_item_start (
E_CANVAS_VBOX (et->canvas_vbox),
GNOME_CANVAS_ITEM (et->group));
else
e_canvas_vbox_add_item (
E_CANVAS_VBOX (et->canvas_vbox),
GNOME_CANVAS_ITEM (et->group));
gnome_canvas_item_set (
GNOME_CANVAS_ITEM (et->group),
"alternating_row_colors", et->alternating_row_colors,
"horizontal_draw_grid", et->horizontal_draw_grid,
"vertical_draw_grid", et->vertical_draw_grid,
"drawfocus", et->draw_focus,
"cursor_mode", et->cursor_mode,
"length_threshold", et->length_threshold,
"uniform_row_height", et->uniform_row_height,
"selection_model", et->selection,
NULL);
g_signal_connect (
et->group, "cursor_change",
G_CALLBACK (group_cursor_change), et);
g_signal_connect (
et->group, "cursor_activated",
G_CALLBACK (group_cursor_activated), et);
g_signal_connect (
et->group, "double_click",
G_CALLBACK (group_double_click), et);
g_signal_connect (
et->group, "right_click",
G_CALLBACK (group_right_click), et);
g_signal_connect (
et->group, "click",
G_CALLBACK (group_click), et);
g_signal_connect (
et->group, "key_press",
G_CALLBACK (group_key_press), et);
g_signal_connect (
et->group, "start_drag",
G_CALLBACK (group_start_drag), et);
g_signal_connect (
et->group, "notify::is-editing",
G_CALLBACK (group_is_editing_changed_cb), et);
if (!(et->is_grouped) && was_grouped)
et_disconnect_model (et);
if (et->is_grouped && (!was_grouped)) {
et->table_model_change_id = g_signal_connect (
et->model, "model_changed",
G_CALLBACK (et_table_model_changed), et);
et->table_row_change_id = g_signal_connect (
et->model, "model_row_changed",
G_CALLBACK (et_table_row_changed), et);
et->table_cell_change_id = g_signal_connect (
et->model, "model_cell_changed",
G_CALLBACK (et_table_cell_changed), et);
et->table_rows_inserted_id = g_signal_connect (
et->model, "model_rows_inserted",
G_CALLBACK (et_table_rows_inserted), et);
et->table_rows_deleted_id = g_signal_connect (
et->model, "model_rows_deleted",
G_CALLBACK (et_table_rows_deleted), et);
}
if (et->is_grouped)
e_table_fill_table (et, et->model);
}
static gboolean
changed_idle (gpointer data)
{
ETable *et = E_TABLE (data);
/* Wait until we have a valid size allocation. */
if (et->need_rebuild && et->size_allocated) {
GtkWidget *widget;
GtkAllocation allocation;
if (et->group)
g_object_run_dispose (G_OBJECT (et->group));
et_build_groups (et);
widget = GTK_WIDGET (et->table_canvas);
gtk_widget_get_allocation (widget, &allocation);
g_object_set (
et->canvas_vbox,
"width", (gdouble) allocation.width,
NULL);
table_canvas_size_allocate (widget, &allocation, et);
et->need_rebuild = 0;
}
et->rebuild_idle_id = 0;
CHECK_HORIZONTAL (et);
return FALSE;
}
static void
et_canvas_realize (GtkWidget *canvas,
ETable *e_table)
{
GtkWidget *widget;
GtkStyle *style;
widget = GTK_WIDGET (e_table->table_canvas);
style = gtk_widget_get_style (widget);
gnome_canvas_item_set (
e_table->white_item,
"fill_color_gdk", &style->base[GTK_STATE_NORMAL],
NULL);
CHECK_HORIZONTAL (e_table);
set_header_width (e_table);
}
static gboolean
white_item_event (GnomeCanvasItem *white_item,
GdkEvent *event,
ETable *e_table)
{
gboolean return_val = 0;
g_signal_emit (
e_table, et_signals[WHITE_SPACE_EVENT], 0,
event, &return_val);
return return_val;
}
static void
et_eti_leave_edit (ETable *et)
{
GnomeCanvas *canvas = et->table_canvas;
if (gtk_widget_has_focus (GTK_WIDGET (canvas))) {
GnomeCanvasItem *item = GNOME_CANVAS (canvas)->focused_item;
if (E_IS_TABLE_ITEM (item)) {
e_table_item_leave_edit_(E_TABLE_ITEM (item));
}
}
}
static gint
et_canvas_root_event (GnomeCanvasItem *root,
GdkEvent *event,
ETable *e_table)
{
switch (event->type) {
case GDK_BUTTON_PRESS:
case GDK_2BUTTON_PRESS:
case GDK_BUTTON_RELEASE:
if (event->button.button != 4 && event->button.button != 5) {
et_eti_leave_edit (e_table);
return TRUE;
}
break;
default:
break;
}
return FALSE;
}
/* Finds the first descendant of the group that is an ETableItem and focuses it */
static void
focus_first_etable_item (ETableGroup *group)
{
GnomeCanvasGroup *cgroup;
GList *l;
cgroup = GNOME_CANVAS_GROUP (group);
for (l = cgroup->item_list; l; l = l->next) {
GnomeCanvasItem *i;
i = GNOME_CANVAS_ITEM (l->data);
if (E_IS_TABLE_GROUP (i))
focus_first_etable_item (E_TABLE_GROUP (i));
else if (E_IS_TABLE_ITEM (i)) {
e_table_item_set_cursor (E_TABLE_ITEM (i), 0, 0);
gnome_canvas_item_grab_focus (i);
}
}
}
/* Handler for focus events in the table_canvas; we have to repaint ourselves
* always, and also give the focus to some ETableItem if we get focused.
*/
static gint
table_canvas_focus_event_cb (GtkWidget *widget,
GdkEventFocus *event,
gpointer data)
{
GnomeCanvas *canvas;
ECanvas *ecanvas;
ETable *etable;
gtk_widget_queue_draw (widget);
canvas = GNOME_CANVAS (widget);
ecanvas = E_CANVAS (widget);
if (!event->in) {
gtk_im_context_focus_out (ecanvas->im_context);
return FALSE;
} else {
gtk_im_context_focus_in (ecanvas->im_context);
}
etable = E_TABLE (data);
if (e_table_model_row_count (etable->model) < 1
&& (etable->click_to_add)
&& !(E_TABLE_CLICK_TO_ADD (etable->click_to_add)->row)) {
gnome_canvas_item_grab_focus (etable->canvas_vbox);
gnome_canvas_item_grab_focus (etable->click_to_add);
} else if (!canvas->focused_item && etable->group) {
focus_first_etable_item (etable->group);
} else if (canvas->focused_item) {
ESelectionModel *selection = (ESelectionModel *) etable->selection;
/* check whether click_to_add already got the focus */
if (etable->click_to_add) {
GnomeCanvasItem *row = E_TABLE_CLICK_TO_ADD (etable->click_to_add)->row;
if (canvas->focused_item == row)
return TRUE;
}
if (e_selection_model_cursor_row (selection) == -1)
focus_first_etable_item (etable->group);
}
return FALSE;
}
static gboolean
canvas_vbox_event (ECanvasVbox *vbox,
GdkEventKey *key,
ETable *etable)
{
if (key->type != GDK_KEY_PRESS &&
key->type != GDK_KEY_RELEASE) {
return FALSE;
}
switch (key->keyval) {
case GDK_KEY_Tab:
case GDK_KEY_KP_Tab:
case GDK_KEY_ISO_Left_Tab:
if ((key->state & GDK_CONTROL_MASK) && etable->click_to_add) {
gnome_canvas_item_grab_focus (etable->click_to_add);
break;
}
default:
return FALSE;
}
return TRUE;
}
static void
click_to_add_is_editing_changed_cb (ETableClickToAdd *etcta,
GParamSpec *param,
ETable *table)
{
g_return_if_fail (E_IS_TABLE (table));
g_object_notify (G_OBJECT (table), "is-editing");
}
static gboolean
click_to_add_event (ETableClickToAdd *etcta,
GdkEventKey *key,
ETable *etable)
{
if (key->type != GDK_KEY_PRESS &&
key->type != GDK_KEY_RELEASE) {
return FALSE;
}
switch (key->keyval) {
case GDK_KEY_Tab:
case GDK_KEY_KP_Tab:
case GDK_KEY_ISO_Left_Tab:
if (key->state & GDK_CONTROL_MASK) {
if (etable->group) {
if (e_table_model_row_count (etable->model) > 0)
focus_first_etable_item (etable->group);
else
gtk_widget_child_focus (
gtk_widget_get_toplevel (
GTK_WIDGET (etable->table_canvas)),
GTK_DIR_TAB_FORWARD);
break;
}
}
default:
return FALSE;
}
return FALSE;
}
static void
e_table_setup_table (ETable *e_table,
ETableHeader *full_header,
ETableHeader *header,
ETableModel *model)
{
GtkWidget *widget;
GtkStyle *style;
e_table->table_canvas = GNOME_CANVAS (e_canvas_new ());
g_signal_connect (
e_table->table_canvas, "size_allocate",
G_CALLBACK (table_canvas_size_allocate), e_table);
g_signal_connect (
e_table->table_canvas, "focus_in_event",
G_CALLBACK (table_canvas_focus_event_cb), e_table);
g_signal_connect (
e_table->table_canvas, "focus_out_event",
G_CALLBACK (table_canvas_focus_event_cb), e_table);
g_signal_connect (
e_table, "drag_begin",
G_CALLBACK (et_drag_begin), e_table);
g_signal_connect (
e_table, "drag_end",
G_CALLBACK (et_drag_end), e_table);
g_signal_connect (
e_table, "drag_data_get",
G_CALLBACK (et_drag_data_get), e_table);
g_signal_connect (
e_table, "drag_data_delete",
G_CALLBACK (et_drag_data_delete), e_table);
g_signal_connect (
e_table, "drag_motion",
G_CALLBACK (et_drag_motion), e_table);
g_signal_connect (
e_table, "drag_leave",
G_CALLBACK (et_drag_leave), e_table);
g_signal_connect (
e_table, "drag_drop",
G_CALLBACK (et_drag_drop), e_table);
g_signal_connect (
e_table, "drag_data_received",
G_CALLBACK (et_drag_data_received), e_table);
g_signal_connect (
e_table->table_canvas, "reflow",
G_CALLBACK (table_canvas_reflow), e_table);
widget = GTK_WIDGET (e_table->table_canvas);
style = gtk_widget_get_style (widget);
gtk_widget_show (widget);
e_table->white_item = gnome_canvas_item_new (
gnome_canvas_root (e_table->table_canvas),
e_canvas_background_get_type (),
"fill_color_gdk", &style->base[GTK_STATE_NORMAL],
NULL);
g_signal_connect (
e_table->white_item, "event",
G_CALLBACK (white_item_event), e_table);
g_signal_connect (
e_table->table_canvas, "realize",
G_CALLBACK (et_canvas_realize), e_table);
g_signal_connect (
gnome_canvas_root (e_table->table_canvas), "event",
G_CALLBACK (et_canvas_root_event), e_table);
e_table->canvas_vbox = gnome_canvas_item_new (
gnome_canvas_root (e_table->table_canvas),
e_canvas_vbox_get_type (),
"spacing", 10.0,
NULL);
g_signal_connect (
e_table->canvas_vbox, "event",
G_CALLBACK (canvas_vbox_event), e_table);
et_build_groups (e_table);
if (e_table->use_click_to_add) {
e_table->click_to_add = gnome_canvas_item_new (
GNOME_CANVAS_GROUP (e_table->canvas_vbox),
e_table_click_to_add_get_type (),
"header", e_table->header,
"model", e_table->model,
"message", e_table->click_to_add_message,
NULL);
if (e_table->use_click_to_add_end)
e_canvas_vbox_add_item (
E_CANVAS_VBOX (e_table->canvas_vbox),
e_table->click_to_add);
else
e_canvas_vbox_add_item_start (
E_CANVAS_VBOX (e_table->canvas_vbox),
e_table->click_to_add);
g_signal_connect (
e_table->click_to_add, "event",
G_CALLBACK (click_to_add_event), e_table);
g_signal_connect (
e_table->click_to_add, "cursor_change",
G_CALLBACK (click_to_add_cursor_change), e_table);
g_signal_connect (
e_table->click_to_add, "notify::is-editing",
G_CALLBACK (click_to_add_is_editing_changed_cb), e_table);
}
}
static void
e_table_fill_table (ETable *e_table,
ETableModel *model)
{
e_table_group_add_all (e_table->group);
}
/**
* e_table_set_state_object:
* @e_table: The #ETable object to modify
* @state: The #ETableState to use
*
* This routine sets the state of the #ETable from the given
* #ETableState.
*
**/
void
e_table_set_state_object (ETable *e_table,
ETableState *state)
{
GValue *val;
GtkWidget *widget;
GtkAllocation allocation;
val = g_new0 (GValue, 1);
g_value_init (val, G_TYPE_DOUBLE);
connect_header (e_table, state);
widget = GTK_WIDGET (e_table->table_canvas);
gtk_widget_get_allocation (widget, &allocation);
g_value_set_double (val, (gdouble) allocation.width);
g_object_set_property (G_OBJECT (e_table->header), "width", val);
g_free (val);
if (e_table->sort_info) {
if (e_table->group_info_change_id)
g_signal_handler_disconnect (
e_table->sort_info,
e_table->group_info_change_id);
if (e_table->sort_info_change_id)
g_signal_handler_disconnect (
e_table->sort_info,
e_table->sort_info_change_id);
g_object_unref (e_table->sort_info);
}
if (state->sort_info) {
e_table->sort_info = e_table_sort_info_duplicate (state->sort_info);
e_table_sort_info_set_can_group (
e_table->sort_info, e_table->allow_grouping);
e_table->group_info_change_id = g_signal_connect (
e_table->sort_info, "group_info_changed",
G_CALLBACK (group_info_changed), e_table);
e_table->sort_info_change_id = g_signal_connect (
e_table->sort_info, "sort_info_changed",
G_CALLBACK (sort_info_changed), e_table);
}
else
e_table->sort_info = NULL;
if (e_table->sorter)
g_object_set (
e_table->sorter,
"sort_info", e_table->sort_info,
NULL);
if (e_table->header_item)
g_object_set (
e_table->header_item,
"ETableHeader", e_table->header,
"sort_info", e_table->sort_info,
NULL);
if (e_table->click_to_add)
g_object_set (
e_table->click_to_add,
"header", e_table->header,
NULL);
e_table->need_rebuild = TRUE;
if (!e_table->rebuild_idle_id)
e_table->rebuild_idle_id = g_idle_add_full (20, changed_idle, e_table, NULL);
e_table_state_change (e_table);
}
/**
* e_table_load_state:
* @e_table: The #ETable object to modify
* @filename: name of the file to use
*
* This routine sets the state of the #ETable from a file.
*
**/
void
e_table_load_state (ETable *e_table,
const gchar *filename)
{
ETableState *state;
g_return_if_fail (E_IS_TABLE (e_table));
g_return_if_fail (filename != NULL);
state = e_table_state_new (e_table->spec);
e_table_state_load_from_file (state, filename);
if (state->col_count > 0)
e_table_set_state_object (e_table, state);
g_object_unref (state);
}
/**
* e_table_get_state_object:
* @e_table: #ETable object to act on
*
* Builds an #ETableState corresponding to the current state of the
* #ETable.
*
* Return value:
* The %ETableState object generated.
**/
ETableState *
e_table_get_state_object (ETable *e_table)
{
ETableState *state;
GPtrArray *columns;
gint full_col_count;
gint i, j;
columns = e_table_specification_ref_columns (e_table->spec);
state = e_table_state_new (e_table->spec);
g_clear_object (&state->sort_info);
state->sort_info = g_object_ref (e_table->sort_info);
state->col_count = e_table_header_count (e_table->header);
full_col_count = e_table_header_count (e_table->full_header);
state->column_specs = g_new (
ETableColumnSpecification *, state->col_count);
state->expansions = g_new (gdouble, state->col_count);
for (i = 0; i < state->col_count; i++) {
ETableCol *col = e_table_header_get_column (e_table->header, i);
state->column_specs[i] = NULL;
for (j = 0; j < full_col_count; j++) {
if (col->spec->model_col == e_table_header_index (e_table->full_header, j)) {
state->column_specs[i] =
g_object_ref (columns->pdata[j]);
break;
}
}
state->expansions[i] = col->expansion;
}
g_ptr_array_unref (columns);
return state;
}
/**
* e_table_save_state:
* @e_table: The #ETable to act on
* @filename: name of the file to save to
*
* Saves the state of the @e_table object into the file pointed by
* @filename.
*
**/
void
e_table_save_state (ETable *e_table,
const gchar *filename)
{
ETableState *state;
state = e_table_get_state_object (e_table);
e_table_state_save_to_file (state, filename);
g_object_unref (state);
}
static void
et_selection_model_selection_changed (ETableGroup *etg,
ETable *et)
{
g_signal_emit (et, et_signals[SELECTION_CHANGE], 0);
}
static void
et_selection_model_selection_row_changed (ETableGroup *etg,
gint row,
ETable *et)
{
g_signal_emit (et, et_signals[SELECTION_CHANGE], 0);
}
static ETable *
et_real_construct (ETable *e_table,
ETableModel *etm,
ETableExtras *ete,
ETableSpecification *specification,
ETableState *state)
{
gint row = 0;
gint col_count, i;
GValue *val;
GtkAdjustment *adjustment;
GtkScrollable *scrollable;
val = g_new0 (GValue, 1);
g_value_init (val, G_TYPE_OBJECT);
if (ete)
g_object_ref (ete);
else {
ete = e_table_extras_new ();
}
e_table->domain = g_strdup (specification->domain);
e_table->use_click_to_add = specification->click_to_add;
e_table->use_click_to_add_end = specification->click_to_add_end;
e_table->click_to_add_message = specification->click_to_add_message ?
g_strdup (
dgettext (e_table->domain,
specification->click_to_add_message)) : NULL;
e_table->alternating_row_colors = specification->alternating_row_colors;
e_table->horizontal_draw_grid = specification->horizontal_draw_grid;
e_table->vertical_draw_grid = specification->vertical_draw_grid;
e_table->draw_focus = specification->draw_focus;
e_table->cursor_mode = specification->cursor_mode;
e_table->full_header = e_table_spec_to_full_header (specification, ete);
col_count = e_table_header_count (e_table->full_header);
for (i = 0; i < col_count; i++) {
ETableCol *col = e_table_header_get_column (e_table->full_header, i);
if (col && col->search) {
e_table->current_search_col = col;
e_table->search_col_set = TRUE;
break;
}
}
e_table->model = etm;
g_object_ref (etm);
connect_header (e_table, state);
e_table->horizontal_scrolling = specification->horizontal_scrolling;
e_table->horizontal_resize = specification->horizontal_resize;
e_table->allow_grouping = specification->allow_grouping;
e_table->sort_info = g_object_ref (state->sort_info);
e_table_sort_info_set_can_group (
e_table->sort_info, e_table->allow_grouping);
e_table->group_info_change_id = g_signal_connect (
e_table->sort_info, "group_info_changed",
G_CALLBACK (group_info_changed), e_table);
e_table->sort_info_change_id = g_signal_connect (
e_table->sort_info, "sort_info_changed",
G_CALLBACK (sort_info_changed), e_table);
g_value_set_object (val, e_table->sort_info);
g_object_set_property (G_OBJECT (e_table->header), "sort_info", val);
g_free (val);
e_table->sorter = e_table_sorter_new (
etm, e_table->full_header, e_table->sort_info);
g_object_set (
e_table->selection,
"model", etm,
"selection_mode", specification->selection_mode,
"cursor_mode", specification->cursor_mode,
"sorter", e_table->sorter,
"header", e_table->header,
NULL);
g_signal_connect (
e_table->selection, "selection_changed",
G_CALLBACK (et_selection_model_selection_changed), e_table);
g_signal_connect (
e_table->selection, "selection_row_changed",
G_CALLBACK (et_selection_model_selection_row_changed), e_table);
if (!specification->no_headers)
e_table_setup_header (e_table);
e_table_setup_table (
e_table, e_table->full_header, e_table->header, etm);
e_table_fill_table (e_table, etm);
scrollable = GTK_SCROLLABLE (e_table->table_canvas);
adjustment = gtk_scrollable_get_vadjustment (scrollable);
gtk_adjustment_set_step_increment (adjustment, 20);
adjustment = gtk_scrollable_get_hadjustment (scrollable);
gtk_adjustment_set_step_increment (adjustment, 20);
if (!specification->no_headers) {
/* The header */
gtk_table_attach (
GTK_TABLE (e_table), GTK_WIDGET (e_table->header_canvas),
0, 1, 0 + row, 1 + row,
GTK_FILL | GTK_EXPAND,
GTK_FILL, 0, 0);
row++;
}
gtk_table_attach (
GTK_TABLE (e_table), GTK_WIDGET (e_table->table_canvas),
0, 1, 0 + row, 1 + row,
GTK_FILL | GTK_EXPAND,
GTK_FILL | GTK_EXPAND,
0, 0);
g_object_unref (ete);
return e_table;
}
/**
* e_table_construct:
* @e_table: The newly created #ETable object.
* @etm: The model for this table.
* @ete: An optional #ETableExtras. (%NULL is valid.)
* @specification: an #ETableSpecification
*
* This is the internal implementation of e_table_new() for use by
* subclasses or language bindings. See e_table_new() for details.
*
* Return value:
* The passed in value @e_table or %NULL if there's an error.
**/
ETable *
e_table_construct (ETable *e_table,
ETableModel *etm,
ETableExtras *ete,
ETableSpecification *specification)
{
ETableState *state;
g_return_val_if_fail (E_IS_TABLE (e_table), NULL);
g_return_val_if_fail (E_IS_TABLE_MODEL (etm), NULL);
g_return_val_if_fail (ete == NULL || E_IS_TABLE_EXTRAS (ete), NULL);
g_return_val_if_fail (E_IS_TABLE_SPECIFICATION (specification), NULL);
g_object_ref (etm);
state = g_object_ref (specification->state);
e_table = et_real_construct (e_table, etm, ete, specification, state);
e_table->spec = g_object_ref (specification);
g_object_unref (state);
return e_table;
}
/**
* e_table_new:
* @etm: The model for this table.
* @ete: An optional #ETableExtras. (%NULL is valid.)
* @specification: an #ETableSpecification
*
* This function creates an #ETable from the given parameters. The
* #ETableModel is a table model to be represented. The #ETableExtras
* is an optional set of pixbufs, cells, and sorting functions to be
* used when interpreting the spec. If you pass in %NULL it uses the
* default #ETableExtras. (See e_table_extras_new()).
*
* @specification is the specification of the set of viewable columns and the
* default sorting state and such. @state is an optional string specifying
* the current sorting state and such.
*
* Return value:
* The newly created #ETable or %NULL if there's an error.
**/
GtkWidget *
e_table_new (ETableModel *etm,
ETableExtras *ete,
ETableSpecification *specification)
{
ETable *e_table;
g_return_val_if_fail (E_IS_TABLE_MODEL (etm), NULL);
g_return_val_if_fail (ete == NULL || E_IS_TABLE_EXTRAS (ete), NULL);
g_return_val_if_fail (E_IS_TABLE_SPECIFICATION (specification), NULL);
e_table = g_object_new (E_TYPE_TABLE, NULL);
e_table = e_table_construct (e_table, etm, ete, specification);
return GTK_WIDGET (e_table);
}
/**
* e_table_set_cursor_row:
* @e_table: The #ETable to set the cursor row of
* @row: The row number
*
* Sets the cursor row and the selection to the given row number.
**/
void
e_table_set_cursor_row (ETable *e_table,
gint row)
{
g_return_if_fail (E_IS_TABLE (e_table));
g_return_if_fail (row >= 0);
g_object_set (
e_table->selection,
"cursor_row", row,
NULL);
}
/**
* e_table_get_cursor_row:
* @e_table: The #ETable to query
*
* Calculates the cursor row. -1 means that we don't have a cursor.
*
* Return value:
* Cursor row
**/
gint
e_table_get_cursor_row (ETable *e_table)
{
gint row;
g_return_val_if_fail (E_IS_TABLE (e_table), -1);
g_object_get (
e_table->selection,
"cursor_row", &row,
NULL);
return row;
}
/**
* e_table_selected_row_foreach:
* @e_table: The #ETable to act on
* @callback: The callback function to call
* @closure: The value passed to the callback's closure argument
*
* Calls the given @callback function once for every selected row.
*
* If you change the selection or delete or add rows to the table
* during these callbacks, problems can occur. A standard thing to do
* is to create a list of rows or objects the function is called upon
* and then act upon that list. (In inverse order if it's rows.)
**/
void
e_table_selected_row_foreach (ETable *e_table,
EForeachFunc callback,
gpointer closure)
{
g_return_if_fail (E_IS_TABLE (e_table));
e_selection_model_foreach (E_SELECTION_MODEL (e_table->selection),
callback,
closure);
}
/**
* e_table_selected_count:
* @e_table: The #ETable to query
*
* Counts the number of selected rows.
*
* Return value:
* The number of rows selected.
**/
gint
e_table_selected_count (ETable *e_table)
{
g_return_val_if_fail (E_IS_TABLE (e_table), -1);
return e_selection_model_selected_count (E_SELECTION_MODEL (e_table->selection));
}
/**
* e_table_select_all:
* @table: The #ETable to modify
*
* Selects all the rows in @table.
**/
void
e_table_select_all (ETable *table)
{
g_return_if_fail (E_IS_TABLE (table));
e_selection_model_select_all (E_SELECTION_MODEL (table->selection));
}
/**
* e_table_get_printable:
* @e_table: #ETable to query
*
* Used for printing your #ETable.
*
* Return value:
* The #EPrintable to print.
**/
EPrintable *
e_table_get_printable (ETable *e_table)
{
g_return_val_if_fail (E_IS_TABLE (e_table), NULL);
return e_table_group_get_printable (e_table->group);
}
/**
* e_table_right_click_up:
* @table: The #ETable to modify.
*
* Call this function when you're done handling the right click if you
* return TRUE from the "right_click" signal.
**/
void
e_table_right_click_up (ETable *table)
{
e_selection_model_right_click_up (E_SELECTION_MODEL (table->selection));
}
/**
* e_table_commit_click_to_add:
* @table: The #ETable to modify
*
* Commits the current values in the click to add to the table.
**/
void
e_table_commit_click_to_add (ETable *table)
{
et_eti_leave_edit (table);
if (table->click_to_add)
e_table_click_to_add_commit (
E_TABLE_CLICK_TO_ADD (table->click_to_add));
}
static void
et_get_property (GObject *object,
guint property_id,
GValue *value,
GParamSpec *pspec)
{
ETable *etable = E_TABLE (object);
switch (property_id) {
case PROP_MODEL:
g_value_set_object (value, etable->model);
break;
case PROP_UNIFORM_ROW_HEIGHT:
g_value_set_boolean (value, etable->uniform_row_height);
break;
case PROP_ALWAYS_SEARCH:
g_value_set_boolean (value, etable->always_search);
break;
case PROP_USE_CLICK_TO_ADD:
g_value_set_boolean (value, etable->use_click_to_add);
break;
case PROP_HADJUSTMENT:
if (etable->table_canvas)
g_object_get_property (
G_OBJECT (etable->table_canvas),
"hadjustment", value);
else
g_value_set_object (value, NULL);
break;
case PROP_VADJUSTMENT:
if (etable->table_canvas)
g_object_get_property (
G_OBJECT (etable->table_canvas),
"vadjustment", value);
else
g_value_set_object (value, NULL);
break;
case PROP_HSCROLL_POLICY:
if (etable->table_canvas)
g_object_get_property (
G_OBJECT (etable->table_canvas),
"hscroll-policy", value);
else
g_value_set_enum (value, 0);
break;
case PROP_VSCROLL_POLICY:
if (etable->table_canvas)
g_object_get_property (
G_OBJECT (etable->table_canvas),
"vscroll-policy", value);
else
g_value_set_enum (value, 0);
break;
case PROP_IS_EDITING:
g_value_set_boolean (value, e_table_is_editing (etable));
break;
default:
break;
}
}
typedef struct {
gchar *arg;
gboolean setting;
} bool_closure;
static void
et_set_property (GObject *object,
guint property_id,
const GValue *value,
GParamSpec *pspec)
{
ETable *etable = E_TABLE (object);
switch (property_id) {
case PROP_LENGTH_THRESHOLD:
etable->length_threshold = g_value_get_int (value);
if (etable->group) {
gnome_canvas_item_set (
GNOME_CANVAS_ITEM (etable->group),
"length_threshold",
etable->length_threshold,
NULL);
}
break;
case PROP_UNIFORM_ROW_HEIGHT:
etable->uniform_row_height = g_value_get_boolean (value);
if (etable->group) {
gnome_canvas_item_set (
GNOME_CANVAS_ITEM (etable->group),
"uniform_row_height",
etable->uniform_row_height,
NULL);
}
break;
case PROP_ALWAYS_SEARCH:
if (etable->always_search == g_value_get_boolean (value))
return;
etable->always_search = g_value_get_boolean (value);
clear_current_search_col (etable);
break;
case PROP_USE_CLICK_TO_ADD:
if (etable->use_click_to_add == g_value_get_boolean (value))
return;
etable->use_click_to_add = g_value_get_boolean (value);
clear_current_search_col (etable);
if (etable->use_click_to_add) {
etable->click_to_add = gnome_canvas_item_new (
GNOME_CANVAS_GROUP (etable->canvas_vbox),
e_table_click_to_add_get_type (),
"header", etable->header,
"model", etable->model,
"message", etable->click_to_add_message,
NULL);
if (etable->use_click_to_add_end)
e_canvas_vbox_add_item (
E_CANVAS_VBOX (etable->canvas_vbox),
etable->click_to_add);
else
e_canvas_vbox_add_item_start (
E_CANVAS_VBOX (etable->canvas_vbox),
etable->click_to_add);
g_signal_connect (
etable->click_to_add, "event",
G_CALLBACK (click_to_add_event), etable);
g_signal_connect (
etable->click_to_add, "cursor_change",
G_CALLBACK (click_to_add_cursor_change),
etable);
g_signal_connect (
etable->click_to_add, "notify::is-editing",
G_CALLBACK (click_to_add_is_editing_changed_cb), etable);
} else {
g_object_run_dispose (G_OBJECT (etable->click_to_add));
etable->click_to_add = NULL;
}
break;
case PROP_HADJUSTMENT:
if (etable->table_canvas)
g_object_set_property (
G_OBJECT (etable->table_canvas),
"hadjustment", value);
break;
case PROP_VADJUSTMENT:
if (etable->table_canvas)
g_object_set_property (
G_OBJECT (etable->table_canvas),
"vadjustment", value);
break;
case PROP_HSCROLL_POLICY:
if (etable->table_canvas)
g_object_set_property (
G_OBJECT (etable->table_canvas),
"hscroll-policy", value);
break;
case PROP_VSCROLL_POLICY:
if (etable->table_canvas)
g_object_set_property (
G_OBJECT (etable->table_canvas),
"vscroll-policy", value);
break;
}
}
/**
* e_table_get_next_row:
* @e_table: The #ETable to query
* @model_row: The model row to go from
*
* This function is used when your table is sorted, but you're using
* model row numbers. It returns the next row in sorted order as a model row.
*
* Return value:
* The model row number.
**/
gint
e_table_get_next_row (ETable *e_table,
gint model_row)
{
g_return_val_if_fail (E_IS_TABLE (e_table), -1);
if (e_table->sorter) {
gint i;
i = e_sorter_model_to_sorted (E_SORTER (e_table->sorter), model_row);
i++;
if (i < e_table_model_row_count (e_table->model)) {
return e_sorter_sorted_to_model (E_SORTER (e_table->sorter), i);
} else
return -1;
} else
if (model_row < e_table_model_row_count (e_table->model) - 1)
return model_row + 1;
else
return -1;
}
/**
* e_table_get_prev_row:
* @e_table: The #ETable to query
* @model_row: The model row to go from
*
* This function is used when your table is sorted, but you're using
* model row numbers. It returns the previous row in sorted order as
* a model row.
*
* Return value:
* The model row number.
**/
gint
e_table_get_prev_row (ETable *e_table,
gint model_row)
{
g_return_val_if_fail (E_IS_TABLE (e_table), -1);
if (e_table->sorter) {
gint i;
i = e_sorter_model_to_sorted (E_SORTER (e_table->sorter), model_row);
i--;
if (i >= 0)
return e_sorter_sorted_to_model (E_SORTER (e_table->sorter), i);
else
return -1;
} else
return model_row - 1;
}
/**
* e_table_model_to_view_row:
* @e_table: The #ETable to query
* @model_row: The model row number
*
* Turns a model row into a view row.
*
* Return value:
* The view row number.
**/
gint
e_table_model_to_view_row (ETable *e_table,
gint model_row)
{
g_return_val_if_fail (E_IS_TABLE (e_table), -1);
if (e_table->sorter)
return e_sorter_model_to_sorted (E_SORTER (e_table->sorter), model_row);
else
return model_row;
}
/**
* e_table_view_to_model_row:
* @e_table: The #ETable to query
* @view_row: The view row number
*
* Turns a view row into a model row.
*
* Return value:
* The model row number.
**/
gint
e_table_view_to_model_row (ETable *e_table,
gint view_row)
{
g_return_val_if_fail (E_IS_TABLE (e_table), -1);
if (e_table->sorter)
return e_sorter_sorted_to_model (E_SORTER (e_table->sorter), view_row);
else
return view_row;
}
/**
* e_table_get_cell_at:
* @table: An #ETable widget
* @x: X coordinate for the pixel
* @y: Y coordinate for the pixel
* @row_return: Pointer to return the row value
* @col_return: Pointer to return the column value
*
* Return the row and column for the cell in which the pixel at (@x, @y) is
* contained.
**/
void
e_table_get_cell_at (ETable *table,
gint x,
gint y,
gint *row_return,
gint *col_return)
{
GtkAdjustment *adjustment;
GtkScrollable *scrollable;
g_return_if_fail (E_IS_TABLE (table));
g_return_if_fail (row_return != NULL);
g_return_if_fail (col_return != NULL);
/* FIXME it would be nice if it could handle a NULL row_return or
* col_return gracefully. */
scrollable = GTK_SCROLLABLE (table->table_canvas);
adjustment = gtk_scrollable_get_hadjustment (scrollable);
x += gtk_adjustment_get_value (adjustment);
adjustment = gtk_scrollable_get_vadjustment (scrollable);
y += gtk_adjustment_get_value (adjustment);
e_table_group_compute_location (
table->group, &x, &y, row_return, col_return);
}
/**
* e_table_get_cell_geometry:
* @table: The #ETable.
* @row: The row to get the geometry of.
* @col: The col to get the geometry of.
* @x_return: Returns the x coordinate of the upper left hand corner
* of the cell with respect to the widget.
* @y_return: Returns the y coordinate of the upper left hand corner
* of the cell with respect to the widget.
* @width_return: Returns the width of the cell.
* @height_return: Returns the height of the cell.
*
* Returns the x, y, width, and height of the given cell. These can
* all be #NULL and they just won't be set.
**/
void
e_table_get_cell_geometry (ETable *table,
gint row,
gint col,
gint *x_return,
gint *y_return,
gint *width_return,
gint *height_return)
{
GtkAllocation allocation;
GtkAdjustment *adjustment;
GtkScrollable *scrollable;
g_return_if_fail (E_IS_TABLE (table));
scrollable = GTK_SCROLLABLE (table->table_canvas);
e_table_group_get_cell_geometry (
table->group, &row, &col, x_return, y_return,
width_return, height_return);
if (x_return && table->table_canvas) {
adjustment = gtk_scrollable_get_hadjustment (scrollable);
(*x_return) -= gtk_adjustment_get_value (adjustment);
}
if (y_return) {
if (table->table_canvas) {
adjustment = gtk_scrollable_get_vadjustment (scrollable);
(*y_return) -= gtk_adjustment_get_value (adjustment);
}
if (table->header_canvas) {
gtk_widget_get_allocation (
GTK_WIDGET (table->header_canvas),
&allocation);
(*y_return) += allocation.height;
}
}
}
/**
* e_table_get_mouse_over_cell:
*
* Similar to e_table_get_cell_at, only here we check
* based on the mouse motion information in the group.
**/
void
e_table_get_mouse_over_cell (ETable *table,
gint *row,
gint *col)
{
g_return_if_fail (E_IS_TABLE (table));
if (!table->group)
return;
e_table_group_get_mouse_over (table->group, row, col);
}
/**
* e_table_get_selection_model:
* @table: The #ETable to query
*
* Returns the table's #ESelectionModel in case you want to access it
* directly.
*
* Return value:
* The #ESelectionModel.
**/
ESelectionModel *
e_table_get_selection_model (ETable *table)
{
g_return_val_if_fail (E_IS_TABLE (table), NULL);
return E_SELECTION_MODEL (table->selection);
}
struct _ETableDragSourceSite
{
GdkModifierType start_button_mask;
GtkTargetList *target_list; /* Targets for drag data */
GdkDragAction actions; /* Possible actions */
GdkPixbuf *pixbuf; /* Icon for drag data */
/* Stored button press information to detect drag beginning */
gint state;
gint x, y;
gint row, col;
};
typedef enum
{
GTK_DRAG_STATUS_DRAG,
GTK_DRAG_STATUS_WAIT,
GTK_DRAG_STATUS_DROP
} GtkDragStatus;
typedef struct _GtkDragDestInfo GtkDragDestInfo;
typedef struct _GtkDragSourceInfo GtkDragSourceInfo;
struct _GtkDragDestInfo
{
GtkWidget *widget; /* Widget in which drag is in */
GdkDragContext *context; /* Drag context */
GtkDragSourceInfo *proxy_source; /* Set if this is a proxy drag */
GtkSelectionData *proxy_data; /* Set while retrieving proxied data */
guint dropped : 1; /* Set after we receive a drop */
guint32 proxy_drop_time; /* Timestamp for proxied drop */
guint proxy_drop_wait : 1; /* Set if we are waiting for a
* status reply before sending
* a proxied drop on.
*/
gint drop_x, drop_y; /* Position of drop */
};
struct _GtkDragSourceInfo
{
GtkWidget *widget;
GtkTargetList *target_list; /* Targets for drag data */
GdkDragAction possible_actions; /* Actions allowed by source */
GdkDragContext *context; /* drag context */
GtkWidget *icon_window; /* Window for drag */
GtkWidget *ipc_widget; /* GtkInvisible for grab, message passing */
GdkCursor *cursor; /* Cursor for drag */
gint hot_x, hot_y; /* Hot spot for drag */
gint button; /* mouse button starting drag */
GtkDragStatus status; /* drag status */
GdkEvent *last_event; /* motion event waiting for response */
gint start_x, start_y; /* Initial position */
gint cur_x, cur_y; /* Current Position */
GList *selections; /* selections we've claimed */
GtkDragDestInfo *proxy_dest; /* Set if this is a proxy drag */
guint drop_timeout; /* Timeout for aborting drop */
guint destroy_icon : 1; /* If true, destroy icon_window
*/
};
/* Drag & drop stuff. */
/* Target */
/**
* e_table_drag_get_data:
* @table:
* @row:
* @col:
* @context:
* @target:
* @time:
*
*
**/
void
e_table_drag_get_data (ETable *table,
gint row,
gint col,
GdkDragContext *context,
GdkAtom target,
guint32 time)
{
g_return_if_fail (E_IS_TABLE (table));
gtk_drag_get_data (
GTK_WIDGET (table),
context,
target,
time);
}
/**
* e_table_drag_highlight:
* @table: The #ETable to highlight
* @row: The row number of the cell to highlight
* @col: The column number of the cell to highlight
*
* Set col to -1 to highlight the entire row. If row is -1, this is
* identical to e_table_drag_unhighlight().
**/
void
e_table_drag_highlight (ETable *table,
gint row,
gint col)
{
GtkAllocation allocation;
GtkAdjustment *adjustment;
GtkScrollable *scrollable;
GtkStyle *style;
g_return_if_fail (E_IS_TABLE (table));
scrollable = GTK_SCROLLABLE (table->table_canvas);
style = gtk_widget_get_style (GTK_WIDGET (table));
gtk_widget_get_allocation (GTK_WIDGET (scrollable), &allocation);
if (row != -1) {
gint x, y, width, height;
if (col == -1) {
e_table_get_cell_geometry (table, row, 0, &x, &y, &width, &height);
x = 0;
width = allocation.width;
} else {
e_table_get_cell_geometry (table, row, col, &x, &y, &width, &height);
adjustment = gtk_scrollable_get_hadjustment (scrollable);
x += gtk_adjustment_get_value (adjustment);
}
adjustment = gtk_scrollable_get_vadjustment (scrollable);
y += gtk_adjustment_get_value (adjustment);
if (table->drop_highlight == NULL) {
table->drop_highlight = gnome_canvas_item_new (
gnome_canvas_root (table->table_canvas),
gnome_canvas_rect_get_type (),
"fill_color", NULL,
"outline_color_gdk", &style->fg[GTK_STATE_NORMAL],
NULL);
}
gnome_canvas_item_set (
table->drop_highlight,
"x1", (gdouble) x,
"x2", (gdouble) x + width - 1,
"y1", (gdouble) y,
"y2", (gdouble) y + height - 1,
NULL);
} else {
if (table->drop_highlight) {
g_object_run_dispose (G_OBJECT (table->drop_highlight));
table->drop_highlight = NULL;
}
}
}
/**
* e_table_drag_unhighlight:
* @table: The #ETable to unhighlight
*
* Removes the highlight from an #ETable.
**/
void
e_table_drag_unhighlight (ETable *table)
{
g_return_if_fail (E_IS_TABLE (table));
if (table->drop_highlight) {
g_object_run_dispose (G_OBJECT (table->drop_highlight));
table->drop_highlight = NULL;
}
}
void
e_table_drag_dest_set (ETable *table,
GtkDestDefaults flags,
const GtkTargetEntry *targets,
gint n_targets,
GdkDragAction actions)
{
g_return_if_fail (E_IS_TABLE (table));
gtk_drag_dest_set (
GTK_WIDGET (table), flags, targets, n_targets, actions);
}
void
e_table_drag_dest_set_proxy (ETable *table,
GdkWindow *proxy_window,
GdkDragProtocol protocol,
gboolean use_coordinates)
{
g_return_if_fail (E_IS_TABLE (table));
gtk_drag_dest_set_proxy (
GTK_WIDGET (table), proxy_window, protocol, use_coordinates);
}
/*
* There probably should be functions for setting the targets
* as a GtkTargetList
*/
void
e_table_drag_dest_unset (GtkWidget *widget)
{
g_return_if_fail (E_IS_TABLE (widget));
gtk_drag_dest_unset (widget);
}
/* Source side */
static gint
et_real_start_drag (ETable *table,
gint row,
gint col,
GdkEvent *event)
{
GtkDragSourceInfo *info;
GdkDragContext *context;
ETableDragSourceSite *site;
if (table->do_drag) {
site = table->site;
site->state = 0;
context = e_table_drag_begin (
table, row, col,
site->target_list,
site->actions,
1, event);
if (context) {
info = g_dataset_get_data (context, "gtk-info");
if (info && !info->icon_window) {
if (site->pixbuf)
gtk_drag_set_icon_pixbuf (
context,
site->pixbuf,
-2, -2);
else
gtk_drag_set_icon_default (context);
}
}
return TRUE;
}
return FALSE;
}
/**
* e_table_drag_source_set:
* @table: The #ETable to set up as a drag site
* @start_button_mask: Mask of allowed buttons to start drag
* @targets: Table of targets for this source
* @n_targets: Number of targets in @targets
* @actions: Actions allowed for this source
*
* Registers this table as a drag site, and possibly adds default behaviors.
**/
void
e_table_drag_source_set (ETable *table,
GdkModifierType start_button_mask,
const GtkTargetEntry *targets,
gint n_targets,
GdkDragAction actions)
{
ETableDragSourceSite *site;
GtkWidget *canvas;
g_return_if_fail (E_IS_TABLE (table));
canvas = GTK_WIDGET (table->table_canvas);
site = table->site;
gtk_widget_add_events (
canvas,
gtk_widget_get_events (canvas) |
GDK_BUTTON_PRESS_MASK | GDK_BUTTON_RELEASE_MASK |
GDK_BUTTON_MOTION_MASK | GDK_STRUCTURE_MASK);
table->do_drag = TRUE;
if (site) {
if (site->target_list)
gtk_target_list_unref (site->target_list);
} else {
site = g_new0 (ETableDragSourceSite, 1);
table->site = site;
}
site->start_button_mask = start_button_mask;
if (targets)
site->target_list = gtk_target_list_new (targets, n_targets);
else
site->target_list = NULL;
site->actions = actions;
}
/**
* e_table_drag_source_unset:
* @table: The #ETable to un set up as a drag site
*
* Unregisters this #ETable as a drag site.
**/
void
e_table_drag_source_unset (ETable *table)
{
ETableDragSourceSite *site;
g_return_if_fail (E_IS_TABLE (table));
site = table->site;
if (site) {
if (site->target_list)
gtk_target_list_unref (site->target_list);
g_free (site);
table->site = NULL;
}
table->do_drag = FALSE;
}
/* There probably should be functions for setting the targets
* as a GtkTargetList
*/
/**
* e_table_drag_begin:
* @table: The #ETable to drag from
* @row: The row number of the cell
* @col: The col number of the cell
* @targets: The list of targets supported by the drag
* @actions: The available actions supported by the drag
* @button: The button held down for the drag
* @event: The event that initiated the drag
*
* Start a drag from this cell.
*
* Return value:
* The drag context.
**/
GdkDragContext *
e_table_drag_begin (ETable *table,
gint row,
gint col,
GtkTargetList *targets,
GdkDragAction actions,
gint button,
GdkEvent *event)
{
g_return_val_if_fail (E_IS_TABLE (table), NULL);
table->drag_row = row;
table->drag_col = col;
return gtk_drag_begin (
GTK_WIDGET (table), targets, actions, button, event);
}
static void
et_drag_begin (GtkWidget *widget,
GdkDragContext *context,
ETable *et)
{
g_signal_emit (
et, et_signals[TABLE_DRAG_BEGIN], 0,
et->drag_row, et->drag_col, context);
}
static void
et_drag_end (GtkWidget *widget,
GdkDragContext *context,
ETable *et)
{
g_signal_emit (
et, et_signals[TABLE_DRAG_END], 0,
et->drag_row, et->drag_col, context);
}
static void
et_drag_data_get (GtkWidget *widget,
GdkDragContext *context,
GtkSelectionData *selection_data,
guint info,
guint time,
ETable *et)
{
g_signal_emit (
et, et_signals[TABLE_DRAG_DATA_GET], 0,
et->drag_row, et->drag_col, context, selection_data,
info, time);
}
static void
et_drag_data_delete (GtkWidget *widget,
GdkDragContext *context,
ETable *et)
{
g_signal_emit (
et, et_signals[TABLE_DRAG_DATA_DELETE], 0,
et->drag_row, et->drag_col, context);
}
static gboolean
do_drag_motion (ETable *et,
GdkDragContext *context,
gint x,
gint y,
guint time)
{
gboolean ret_val;
gint row = -1, col = -1;
e_table_get_cell_at (et, x, y, &row, &col);
if (row != et->drop_row && col != et->drop_row) {
g_signal_emit (
et, et_signals[TABLE_DRAG_LEAVE], 0,
et->drop_row, et->drop_col, context, time);
}
et->drop_row = row;
et->drop_col = col;
g_signal_emit (
et, et_signals[TABLE_DRAG_MOTION], 0,
et->drop_row, et->drop_col, context, x, y, time, &ret_val);
return ret_val;
}
static gboolean
scroll_timeout (gpointer data)
{
ETable *et = data;
gint dx = 0, dy = 0;
GtkAdjustment *adjustment;
GtkScrollable *scrollable;
gdouble old_h_value;
gdouble new_h_value;
gdouble old_v_value;
gdouble new_v_value;
gdouble page_size;
gdouble lower;
gdouble upper;
if (et->scroll_direction & ET_SCROLL_DOWN)
dy += 20;
if (et->scroll_direction & ET_SCROLL_UP)
dy -= 20;
if (et->scroll_direction & ET_SCROLL_RIGHT)
dx += 20;
if (et->scroll_direction & ET_SCROLL_LEFT)
dx -= 20;
scrollable = GTK_SCROLLABLE (et->table_canvas);
adjustment = gtk_scrollable_get_hadjustment (scrollable);
lower = gtk_adjustment_get_lower (adjustment);
upper = gtk_adjustment_get_upper (adjustment);
page_size = gtk_adjustment_get_page_size (adjustment);
old_h_value = gtk_adjustment_get_value (adjustment);
new_h_value = CLAMP (old_h_value + dx, lower, upper - page_size);
gtk_adjustment_set_value (adjustment, new_h_value);
adjustment = gtk_scrollable_get_vadjustment (scrollable);
lower = gtk_adjustment_get_lower (adjustment);
upper = gtk_adjustment_get_upper (adjustment);
page_size = gtk_adjustment_get_page_size (adjustment);
old_v_value = gtk_adjustment_get_value (adjustment);
new_v_value = CLAMP (old_v_value + dy, lower, upper - page_size);
gtk_adjustment_set_value (adjustment, new_v_value);
if (new_h_value != old_h_value || new_v_value != old_v_value)
do_drag_motion (
et,
et->last_drop_context,
et->last_drop_x,
et->last_drop_y,
et->last_drop_time);
return TRUE;
}
static void
scroll_on (ETable *et,
guint scroll_direction)
{
if (et->scroll_idle_id == 0 || scroll_direction != et->scroll_direction) {
if (et->scroll_idle_id != 0)
g_source_remove (et->scroll_idle_id);
et->scroll_direction = scroll_direction;
et->scroll_idle_id = g_timeout_add (100, scroll_timeout, et);
}
}
static void
scroll_off (ETable *et)
{
if (et->scroll_idle_id) {
g_source_remove (et->scroll_idle_id);
et->scroll_idle_id = 0;
}
}
static void
context_destroyed (gpointer data)
{
ETable *et = data;
/* if (!G_OBJECT_DESTROYED (et)) */
/* FIXME: */
{
et->last_drop_x = 0;
et->last_drop_y = 0;
et->last_drop_time = 0;
et->last_drop_context = NULL;
scroll_off (et);
}
g_object_unref (et);
}
static void
context_connect (ETable *et,
GdkDragContext *context)
{
if (g_dataset_get_data (context, "e-table") == NULL) {
g_object_ref (et);
g_dataset_set_data_full (context, "e-table", et, context_destroyed);
}
}
static void
et_drag_leave (GtkWidget *widget,
GdkDragContext *context,
guint time,
ETable *et)
{
g_signal_emit (
et, et_signals[TABLE_DRAG_LEAVE], 0,
et->drop_row, et->drop_col, context, time);
et->drop_row = -1;
et->drop_col = -1;
scroll_off (et);
}
static gboolean
et_drag_motion (GtkWidget *widget,
GdkDragContext *context,
gint x,
gint y,
guint time,
ETable *et)
{
GtkAllocation allocation;
gboolean ret_val;
guint direction = 0;
gtk_widget_get_allocation (widget, &allocation);
et->last_drop_x = x;
et->last_drop_y = y;
et->last_drop_time = time;
et->last_drop_context = context;
context_connect (et, context);
ret_val = do_drag_motion (et, context, x, y, time);
if (y < 20)
direction |= ET_SCROLL_UP;
if (y > allocation.height - 20)
direction |= ET_SCROLL_DOWN;
if (x < 20)
direction |= ET_SCROLL_LEFT;
if (x > allocation.width - 20)
direction |= ET_SCROLL_RIGHT;
if (direction != 0)
scroll_on (et, direction);
else
scroll_off (et);
return ret_val;
}
static gboolean
et_drag_drop (GtkWidget *widget,
GdkDragContext *context,
gint x,
gint y,
guint time,
ETable *et)
{
gboolean ret_val;
gint row, col;
e_table_get_cell_at (et, x, y, &row, &col);
if (row != et->drop_row && col != et->drop_row) {
g_signal_emit (
et, et_signals[TABLE_DRAG_LEAVE], 0,
et->drop_row, et->drop_col, context, time);
g_signal_emit (
et, et_signals[TABLE_DRAG_MOTION], 0,
row, col, context, x, y, time, &ret_val);
}
et->drop_row = row;
et->drop_col = col;
g_signal_emit (
et, et_signals[TABLE_DRAG_DROP], 0,
et->drop_row, et->drop_col, context, x, y, time, &ret_val);
et->drop_row = -1;
et->drop_col = -1;
scroll_off (et);
return ret_val;
}
static void
et_drag_data_received (GtkWidget *widget,
GdkDragContext *context,
gint x,
gint y,
GtkSelectionData *selection_data,
guint info,
guint time,
ETable *et)
{
gint row, col;
e_table_get_cell_at (et, x, y, &row, &col);
g_signal_emit (
et, et_signals[TABLE_DRAG_DATA_RECEIVED], 0,
row, col, context, x, y, selection_data, info, time);
}
static void
e_table_class_init (ETableClass *class)
{
GObjectClass *object_class;
GtkWidgetClass *widget_class;
object_class = (GObjectClass *) class;
widget_class = (GtkWidgetClass *) class;
object_class->dispose = et_dispose;
object_class->finalize = et_finalize;
object_class->set_property = et_set_property;
object_class->get_property = et_get_property;
widget_class->grab_focus = et_grab_focus;
widget_class->unrealize = et_unrealize;
widget_class->get_preferred_width = et_get_preferred_width;
widget_class->get_preferred_height = et_get_preferred_height;
widget_class->focus = et_focus;
class->cursor_change = NULL;
class->cursor_activated = NULL;
class->selection_change = NULL;
class->double_click = NULL;
class->right_click = NULL;
class->click = NULL;
class->key_press = NULL;
class->start_drag = et_real_start_drag;
class->state_change = NULL;
class->white_space_event = NULL;
class->table_drag_begin = NULL;
class->table_drag_end = NULL;
class->table_drag_data_get = NULL;
class->table_drag_data_delete = NULL;
class->table_drag_leave = NULL;
class->table_drag_motion = NULL;
class->table_drag_drop = NULL;
class->table_drag_data_received = NULL;
et_signals[CURSOR_CHANGE] = g_signal_new (
"cursor_change",
G_OBJECT_CLASS_TYPE (object_class),
G_SIGNAL_RUN_LAST,
G_STRUCT_OFFSET (ETableClass, cursor_change),
NULL, NULL,
g_cclosure_marshal_VOID__INT,
G_TYPE_NONE, 1, G_TYPE_INT);
et_signals[CURSOR_ACTIVATED] = g_signal_new (
"cursor_activated",
G_OBJECT_CLASS_TYPE (object_class),
G_SIGNAL_RUN_LAST,
G_STRUCT_OFFSET (ETableClass, cursor_activated),
NULL, NULL,
g_cclosure_marshal_VOID__INT,
G_TYPE_NONE, 1, G_TYPE_INT);
et_signals[SELECTION_CHANGE] = g_signal_new (
"selection_change",
G_OBJECT_CLASS_TYPE (object_class),
G_SIGNAL_RUN_LAST,
G_STRUCT_OFFSET (ETableClass, selection_change),
NULL, NULL,
g_cclosure_marshal_VOID__VOID,
G_TYPE_NONE, 0);
et_signals[DOUBLE_CLICK] = g_signal_new (
"double_click",
G_OBJECT_CLASS_TYPE (object_class),
G_SIGNAL_RUN_LAST,
G_STRUCT_OFFSET (ETableClass, double_click),
NULL, NULL,
e_marshal_NONE__INT_INT_BOXED,
G_TYPE_NONE, 3,
G_TYPE_INT,
G_TYPE_INT,
GDK_TYPE_EVENT | G_SIGNAL_TYPE_STATIC_SCOPE);
et_signals[RIGHT_CLICK] = g_signal_new (
"right_click",
G_OBJECT_CLASS_TYPE (object_class),
G_SIGNAL_RUN_LAST,
G_STRUCT_OFFSET (ETableClass, right_click),
g_signal_accumulator_true_handled, NULL,
e_marshal_BOOLEAN__INT_INT_BOXED,
G_TYPE_BOOLEAN, 3,
G_TYPE_INT,
G_TYPE_INT,
GDK_TYPE_EVENT | G_SIGNAL_TYPE_STATIC_SCOPE);
et_signals[CLICK] = g_signal_new (
"click",
G_OBJECT_CLASS_TYPE (object_class),
G_SIGNAL_RUN_LAST,
G_STRUCT_OFFSET (ETableClass, click),
g_signal_accumulator_true_handled, NULL,
e_marshal_BOOLEAN__INT_INT_BOXED,
G_TYPE_BOOLEAN, 3,
G_TYPE_INT,
G_TYPE_INT,
GDK_TYPE_EVENT | G_SIGNAL_TYPE_STATIC_SCOPE);
et_signals[KEY_PRESS] = g_signal_new (
"key_press",
G_OBJECT_CLASS_TYPE (object_class),
G_SIGNAL_RUN_LAST,
G_STRUCT_OFFSET (ETableClass, key_press),
g_signal_accumulator_true_handled, NULL,
e_marshal_BOOLEAN__INT_INT_BOXED,
G_TYPE_BOOLEAN, 3,
G_TYPE_INT,
G_TYPE_INT,
GDK_TYPE_EVENT | G_SIGNAL_TYPE_STATIC_SCOPE);
et_signals[START_DRAG] = g_signal_new (
"start_drag",
G_OBJECT_CLASS_TYPE (object_class),
G_SIGNAL_RUN_LAST,
G_STRUCT_OFFSET (ETableClass, start_drag),
g_signal_accumulator_true_handled, NULL,
e_marshal_BOOLEAN__INT_INT_BOXED,
G_TYPE_BOOLEAN, 3,
G_TYPE_INT,
G_TYPE_INT,
GDK_TYPE_EVENT | G_SIGNAL_TYPE_STATIC_SCOPE);
et_signals[STATE_CHANGE] = g_signal_new (
"state_change",
G_OBJECT_CLASS_TYPE (object_class),
G_SIGNAL_RUN_LAST,
G_STRUCT_OFFSET (ETableClass, state_change),
NULL, NULL,
g_cclosure_marshal_VOID__VOID,
G_TYPE_NONE, 0);
et_signals[WHITE_SPACE_EVENT] = g_signal_new (
"white_space_event",
G_OBJECT_CLASS_TYPE (object_class),
G_SIGNAL_RUN_LAST,
G_STRUCT_OFFSET (ETableClass, white_space_event),
g_signal_accumulator_true_handled, NULL,
e_marshal_BOOLEAN__BOXED,
G_TYPE_BOOLEAN, 1,
GDK_TYPE_EVENT | G_SIGNAL_TYPE_STATIC_SCOPE);
et_signals[TABLE_DRAG_BEGIN] = g_signal_new (
"table_drag_begin",
G_OBJECT_CLASS_TYPE (object_class),
G_SIGNAL_RUN_LAST,
G_STRUCT_OFFSET (ETableClass, table_drag_begin),
NULL, NULL,
e_marshal_NONE__INT_INT_OBJECT,
G_TYPE_NONE, 3,
G_TYPE_INT,
G_TYPE_INT,
GDK_TYPE_DRAG_CONTEXT);
et_signals[TABLE_DRAG_END] = g_signal_new (
"table_drag_end",
G_OBJECT_CLASS_TYPE (object_class),
G_SIGNAL_RUN_LAST,
G_STRUCT_OFFSET (ETableClass, table_drag_end),
NULL, NULL,
e_marshal_NONE__INT_INT_OBJECT,
G_TYPE_NONE, 3,
G_TYPE_INT,
G_TYPE_INT,
GDK_TYPE_DRAG_CONTEXT);
et_signals[TABLE_DRAG_DATA_GET] = g_signal_new (
"table_drag_data_get",
G_OBJECT_CLASS_TYPE (object_class),
G_SIGNAL_RUN_LAST,
G_STRUCT_OFFSET (ETableClass, table_drag_data_get),
NULL, NULL,
e_marshal_NONE__INT_INT_OBJECT_BOXED_UINT_UINT,
G_TYPE_NONE, 6,
G_TYPE_INT,
G_TYPE_INT,
GDK_TYPE_DRAG_CONTEXT,
GTK_TYPE_SELECTION_DATA | G_SIGNAL_TYPE_STATIC_SCOPE,
G_TYPE_UINT,
G_TYPE_UINT);
et_signals[TABLE_DRAG_DATA_DELETE] = g_signal_new (
"table_drag_data_delete",
G_OBJECT_CLASS_TYPE (object_class),
G_SIGNAL_RUN_LAST,
G_STRUCT_OFFSET (ETableClass, table_drag_data_delete),
NULL, NULL,
e_marshal_NONE__INT_INT_OBJECT,
G_TYPE_NONE, 3,
G_TYPE_INT,
G_TYPE_INT,
GDK_TYPE_DRAG_CONTEXT);
et_signals[TABLE_DRAG_LEAVE] = g_signal_new (
"table_drag_leave",
G_OBJECT_CLASS_TYPE (object_class),
G_SIGNAL_RUN_LAST,
G_STRUCT_OFFSET (ETableClass, table_drag_leave),
NULL, NULL,
e_marshal_NONE__INT_INT_OBJECT_UINT,
G_TYPE_NONE, 4,
G_TYPE_INT,
G_TYPE_INT,
GDK_TYPE_DRAG_CONTEXT,
G_TYPE_UINT);
et_signals[TABLE_DRAG_MOTION] = g_signal_new (
"table_drag_motion",
G_OBJECT_CLASS_TYPE (object_class),
G_SIGNAL_RUN_LAST,
G_STRUCT_OFFSET (ETableClass, table_drag_motion),
NULL, NULL,
e_marshal_BOOLEAN__INT_INT_OBJECT_INT_INT_UINT,
G_TYPE_BOOLEAN, 6,
G_TYPE_INT,
G_TYPE_INT,
GDK_TYPE_DRAG_CONTEXT,
G_TYPE_INT,
G_TYPE_INT,
G_TYPE_UINT);
et_signals[TABLE_DRAG_DROP] = g_signal_new (
"table_drag_drop",
G_OBJECT_CLASS_TYPE (object_class),
G_SIGNAL_RUN_LAST,
G_STRUCT_OFFSET (ETableClass, table_drag_drop),
NULL, NULL,
e_marshal_BOOLEAN__INT_INT_OBJECT_INT_INT_UINT,
G_TYPE_BOOLEAN, 6,
G_TYPE_INT,
G_TYPE_INT,
GDK_TYPE_DRAG_CONTEXT,
G_TYPE_INT,
G_TYPE_INT,
G_TYPE_UINT);
et_signals[TABLE_DRAG_DATA_RECEIVED] = g_signal_new (
"table_drag_data_received",
G_OBJECT_CLASS_TYPE (object_class),
G_SIGNAL_RUN_LAST,
G_STRUCT_OFFSET (ETableClass, table_drag_data_received),
NULL, NULL,
e_marshal_NONE__INT_INT_OBJECT_INT_INT_BOXED_UINT_UINT,
G_TYPE_NONE, 8,
G_TYPE_INT,
G_TYPE_INT,
GDK_TYPE_DRAG_CONTEXT,
G_TYPE_INT,
G_TYPE_INT,
GTK_TYPE_SELECTION_DATA | G_SIGNAL_TYPE_STATIC_SCOPE,
G_TYPE_UINT,
G_TYPE_UINT);
g_object_class_install_property (
object_class,
PROP_LENGTH_THRESHOLD,
g_param_spec_int (
"length_threshold",
"Length Threshold",
NULL,
0, G_MAXINT, 0,
G_PARAM_WRITABLE));
g_object_class_install_property (
object_class,
PROP_UNIFORM_ROW_HEIGHT,
g_param_spec_boolean (
"uniform_row_height",
"Uniform row height",
NULL,
FALSE,
G_PARAM_READWRITE));
g_object_class_install_property (
object_class,
PROP_ALWAYS_SEARCH,
g_param_spec_boolean (
"always_search",
"Always search",
NULL,
FALSE,
G_PARAM_READWRITE));
g_object_class_install_property (
object_class,
PROP_USE_CLICK_TO_ADD,
g_param_spec_boolean (
"use_click_to_add",
"Use click to add",
NULL,
FALSE,
G_PARAM_READWRITE));
g_object_class_install_property (
object_class,
PROP_MODEL,
g_param_spec_object (
"model",
"Model",
NULL,
E_TYPE_TABLE_MODEL,
G_PARAM_READABLE));
g_object_class_install_property (
object_class,
PROP_IS_EDITING,
g_param_spec_boolean (
"is-editing",
"Whether is in an editing mode",
"Whether is in an editing mode",
FALSE,
G_PARAM_READABLE));
gtk_widget_class_install_style_property (
widget_class,
g_param_spec_int (
"vertical-spacing",
"Vertical Row Spacing",
"Vertical space between rows. "
"It is added to top and to bottom of a row",
0, G_MAXINT, 3,
G_PARAM_READABLE |
G_PARAM_STATIC_STRINGS));
/* Scrollable interface */
g_object_class_override_property (
object_class, PROP_HADJUSTMENT, "hadjustment");
g_object_class_override_property (
object_class, PROP_VADJUSTMENT, "vadjustment");
g_object_class_override_property (
object_class, PROP_HSCROLL_POLICY, "hscroll-policy");
g_object_class_override_property (
object_class, PROP_VSCROLL_POLICY, "vscroll-policy");
gal_a11y_e_table_init ();
}
void
e_table_freeze_state_change (ETable *table)
{
g_return_if_fail (table != NULL);
table->state_change_freeze++;
if (table->state_change_freeze == 1)
table->state_changed = FALSE;
g_return_if_fail (table->state_change_freeze != 0);
}
void
e_table_thaw_state_change (ETable *table)
{
g_return_if_fail (table != NULL);
g_return_if_fail (table->state_change_freeze != 0);
table->state_change_freeze--;
if (table->state_change_freeze == 0 && table->state_changed) {
table->state_changed = FALSE;
e_table_state_change (table);
}
}
gboolean
e_table_is_editing (ETable *table)
{
g_return_val_if_fail (E_IS_TABLE (table), FALSE);
return (table->click_to_add && e_table_click_to_add_is_editing (E_TABLE_CLICK_TO_ADD (table->click_to_add))) ||
(table->group && e_table_group_is_editing (table->group));
}