/* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*- */
/*
* e-table.c - A graphical view of a Table.
* Copyright 1999, 2000, 2001, Ximian, Inc.
*
* Authors:
* Chris Lahey <clahey@ximian.com>
* Miguel de Icaza <miguel@ximian.com>
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License, version 2, as published by the Free Software Foundation.
*
* This library is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
* 02111-1307, USA.
*/
#ifdef HAVE_CONFIG_H
#include <config.h>
#endif
#include <stdlib.h>
#include <string.h>
#include <stdio.h>
#include <gdk/gdk.h>
#include <gdk/gdkkeysyms.h>
#include <gtk/gtksignal.h>
#include <libgnomecanvas/gnome-canvas.h>
#include <libgnomecanvas/gnome-canvas-rect-ellipse.h>
#include "gal/util/e-i18n.h"
#include "gal/util/e-util.h"
#include "gal/widgets/e-canvas.h"
#include "gal/widgets/e-canvas-background.h"
#include "gal/widgets/e-canvas-vbox.h"
#include "gal/widgets/e-unicode.h"
#include "e-table.h"
#include "e-table-header-item.h"
#include "e-table-header-utils.h"
#include "e-table-subset.h"
#include "e-table-item.h"
#include "e-table-group.h"
#include "e-table-group-leaf.h"
#include "e-table-click-to-add.h"
#include "e-table-specification.h"
#include "e-table-state.h"
#include "e-table-column-specification.h"
#include "e-table-utils.h"
#define COLUMN_HEADER_HEIGHT 16
#define PARENT_TYPE gtk_table_get_type ()
#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
static GtkObjectClass *parent_class;
enum {
CURSOR_CHANGE,
CURSOR_ACTIVATED,
SELECTION_CHANGE,
DOUBLE_CLICK,
RIGHT_CLICK,
CLICK,
KEY_PRESS,
START_DRAG,
STATE_CHANGE,
WHITE_SPACE_EVENT,
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 {
ARG_0,
ARG_LENGTH_THRESHOLD,
ARG_MODEL,
ARG_UNIFORM_ROW_HEIGHT,
ARG_ALWAYS_SEARCH,
ARG_USE_CLICK_TO_ADD
};
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);
static void
et_disconnect_model (ETable *et)
{
if (et->model == NULL)
return;
if (et->table_model_change_id != 0)
g_signal_handler_disconnect (G_OBJECT (et->model),
et->table_model_change_id);
if (et->table_row_change_id != 0)
g_signal_handler_disconnect (G_OBJECT (et->model),
et->table_row_change_id);
if (et->table_cell_change_id != 0)
g_signal_handler_disconnect (G_OBJECT (et->model),
et->table_cell_change_id);
if (et->table_rows_inserted_id != 0)
g_signal_handler_disconnect (G_OBJECT (et->model),
et->table_rows_inserted_id);
if (et->table_rows_deleted_id != 0)
g_signal_handler_disconnect (G_OBJECT (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)
{
g_signal_emit (G_OBJECT (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_size_request (GtkWidget *widget, GtkRequisition *request)
{
ETable *et = E_TABLE (widget);
if (GTK_WIDGET_CLASS (parent_class)->size_request)
GTK_WIDGET_CLASS (parent_class)->size_request (widget, request);
if (et->horizontal_resize)
request->width = MAX (request->width, et->header_width);
}
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, int 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 (G_OBJECT (e_table->header),
e_table->structure_change_id);
if (e_table->expansion_change_id)
g_signal_handler_disconnect (G_OBJECT (e_table->header),
e_table->expansion_change_id);
if (e_table->dimension_change_id)
g_signal_handler_disconnect (G_OBJECT (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 (G_OBJECT (e_table->header), "structure_change",
G_CALLBACK (structure_changed), e_table);
e_table->expansion_change_id =
g_signal_connect (G_OBJECT (e_table->header), "expansion_change",
G_CALLBACK (expansion_changed), e_table);
e_table->dimension_change_id =
g_signal_connect (G_OBJECT (e_table->header), "dimension_change",
G_CALLBACK (dimension_changed), e_table);
}
static void
et_destroy (GtkObject *object)
{
ETable *et = E_TABLE (object);
et_disconnect_model (et);
if (et->search) {
if (et->search_search_id)
g_signal_handler_disconnect (G_OBJECT (et->search),
et->search_search_id);
if (et->search_accept_id)
g_signal_handler_disconnect (G_OBJECT (et->search),
et->search_accept_id);
g_object_unref (et->search);
et->search = NULL;
}
if (et->group_info_change_id) {
g_signal_handler_disconnect (G_OBJECT (et->sort_info),
et->group_info_change_id);
et->group_info_change_id = 0;
}
if (et->sort_info_change_id) {
g_signal_handler_disconnect (G_OBJECT (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;
(*parent_class->destroy)(object);
}
static void
et_unrealize (GtkWidget *widget)
{
scroll_off (E_TABLE (widget));
if (GTK_WIDGET_CLASS (parent_class)->unrealize)
GTK_WIDGET_CLASS (parent_class)->unrealize (widget);
}
static gboolean
check_row (ETable *et, int model_row, int col, ETableSearchFunc search, char *string)
{
const void *value;
value = e_table_model_value_at (et->model, col, model_row);
return search (value, string);
}
static gboolean
et_search_search (ETableSearch *search, char *string, ETableSearchFlags flags, ETable *et)
{
int cursor;
int rows;
int i;
ETableCol *col = current_search_col (et);
if (col == NULL)
return FALSE;
rows = e_table_model_row_count (et->model);
gtk_object_get(GTK_OBJECT(et->selection),
"cursor_row", &cursor,
NULL);
if ((flags & E_TABLE_SEARCH_FLAGS_CHECK_CURSOR_FIRST) && cursor < rows && cursor >= 0 && check_row (et, cursor, col->col_idx, col->search, string))
return TRUE;
cursor = e_sorter_model_to_sorted (E_SORTER (et->sorter), cursor);
for (i = cursor + 1; i < rows; i++) {
int model_row = e_sorter_sorted_to_model (E_SORTER (et->sorter), i);
if (check_row (et, model_row, col->col_idx, col->search, string)) {
e_selection_model_select_as_key_press(E_SELECTION_MODEL (et->selection), model_row, col->col_idx, GDK_CONTROL_MASK);
return TRUE;
}
}
for (i = 0; i < cursor; i++) {
int model_row = e_sorter_sorted_to_model (E_SORTER (et->sorter), i);
if (check_row (et, model_row, col->col_idx, col->search, string)) {
e_selection_model_select_as_key_press(E_SELECTION_MODEL (et->selection), model_row, col->col_idx, 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->col_idx, col->search, string));
}
static void
et_search_accept (ETableSearch *search, ETable *et)
{
int cursor;
ETableCol *col = current_search_col (et);
if (col == NULL)
return;
gtk_object_get(GTK_OBJECT(et->selection),
"cursor_row", &cursor,
NULL);
e_selection_model_select_as_key_press(E_SELECTION_MODEL (et->selection), cursor, col->col_idx, 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 (G_OBJECT (e_table->search), "search",
G_CALLBACK (et_search_search), e_table);
e_table->search_accept_id =
g_signal_connect (G_OBJECT (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 (parent_class)->finalize (object);
}
static void
e_table_init (GtkObject *object)
{
ETable *e_table = E_TABLE (object);
GtkTable *gtk_table = GTK_TABLE (object);
GTK_WIDGET_SET_FLAGS (e_table, GTK_CAN_FOCUS);
gtk_table->homogeneous = 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;
}
/* 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 (container)->focus_child) {
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)
{
double 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)
{
set_header_canvas_width (e_table);
/* 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 (GTK_WIDGET (e_table->header_canvas)->allocation.height !=
E_TABLE_HEADER_ITEM (e_table->header_item)->height)
gtk_widget_set_usize (GTK_WIDGET (e_table->header_canvas), -2,
E_TABLE_HEADER_ITEM (e_table->header_item)->height);
}
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) {
gtk_object_destroy (GTK_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)
{
char *pointer;
e_table->header_canvas = GNOME_CANVAS (e_canvas_new ());
GTK_WIDGET_UNSET_FLAGS (e_table->header_canvas, GTK_CAN_FOCUS);
gtk_widget_show (GTK_WIDGET (e_table->header_canvas));
pointer = g_strdup_printf("%p", 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 (
G_OBJECT (e_table->header_canvas), "size_allocate",
G_CALLBACK (header_canvas_size_allocate), e_table);
gtk_widget_set_usize (GTK_WIDGET (e_table->header_canvas), -2,
E_TABLE_HEADER_ITEM (e_table->header_item)->height);
}
static gboolean
table_canvas_reflow_idle (ETable *e_table)
{
gdouble height, width;
gdouble item_height;
gdouble oldheight, oldwidth;
GtkAllocation *alloc = &(GTK_WIDGET (e_table->table_canvas)->allocation);
gtk_object_get (GTK_OBJECT (e_table->canvas_vbox),
"height", &height,
"width", &width,
NULL);
item_height = height;
height = MAX ((int)height, alloc->height);
width = MAX((int)width, alloc->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;
gdouble item_height;
GValue *val = g_new0 (GValue, 1);
g_value_init (val, G_TYPE_DOUBLE);
width = alloc->width;
g_value_set_double (val, width);
gtk_object_get (GTK_OBJECT (e_table->canvas_vbox),
"height", &height,
NULL);
item_height = height;
height = MAX ((int)height, alloc->height);
gtk_object_set (GTK_OBJECT (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);
}
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, int row, int 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, int row, ETable *et)
{
ETableCursorLoc old_cursor_loc;
old_cursor_loc = et->cursor_loc;
et->cursor_loc = E_TABLE_CURSOR_LOC_TABLE;
g_signal_emit (G_OBJECT (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, int row, ETable *et)
{
g_signal_emit (G_OBJECT (et), et_signals [CURSOR_ACTIVATED], 0, row);
}
static void
group_double_click (ETableGroup *etg, int row, int col, GdkEvent *event, ETable *et)
{
g_signal_emit (G_OBJECT (et), et_signals [DOUBLE_CLICK], 0, row, col, event);
}
static gint
group_right_click (ETableGroup *etg, int row, int col, GdkEvent *event, ETable *et)
{
int return_val = 0;
g_signal_emit (G_OBJECT (et), et_signals [RIGHT_CLICK], 0, row, col, event, &return_val);
return return_val;
}
static gint
group_click (ETableGroup *etg, int row, int col, GdkEvent *event, ETable *et)
{
int return_val = 0;
g_signal_emit (G_OBJECT (et), et_signals [CLICK], 0, row, col, event, &return_val);
return return_val;
}
static gint
group_key_press (ETableGroup *etg, int row, int col, GdkEvent *event, ETable *et)
{
int return_val = 0;
GdkEventKey *key = (GdkEventKey *) event;
int y, row_local, col_local;
GtkAdjustment *vadj;
switch (key->keyval) {
case GDK_Page_Down:
case GDK_KP_Page_Down:
vadj = gtk_layout_get_vadjustment (GTK_LAYOUT (et->table_canvas));
y = CLAMP(vadj->value + (2 * vadj->page_size - 50), 0, vadj->upper);
y -= vadj->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_Page_Up:
case GDK_KP_Page_Up:
vadj = gtk_layout_get_vadjustment (GTK_LAYOUT (et->table_canvas));
y = CLAMP(vadj->value - (vadj->page_size - 50), 0, vadj->upper);
y -= vadj->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_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)) == 0
&& ((key->keyval >= GDK_a && key->keyval <= GDK_z) ||
(key->keyval >= GDK_A && key->keyval <= GDK_Z) ||
(key->keyval >= GDK_0 && key->keyval <= GDK_9)))
e_table_search_input_character (et->search, key->keyval);
g_signal_emit (G_OBJECT (et), et_signals [KEY_PRESS], 0,
row, col, event, &return_val);
break;
}
return return_val;
}
static gint
group_start_drag (ETableGroup *etg, int row, int col, GdkEvent *event, ETable *et)
{
int return_val = 0;
g_signal_emit (G_OBJECT (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) {
gtk_object_destroy (GTK_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, int 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, int view_col, int row, ETable *et)
{
et_table_row_changed (table_model, row, et);
}
static void
et_table_rows_inserted (ETableModel *table_model, int row, int count, ETable *et)
{
/* This number has already been decremented. */
int row_count = e_table_model_row_count(table_model);
if (!et->need_rebuild) {
int 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, int row, int count, ETable *et)
{
int row_count = e_table_model_row_count(table_model);
if (!et->need_rebuild) {
int 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
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 (G_OBJECT (et->group), "cursor_change",
G_CALLBACK (group_cursor_change), et);
g_signal_connect (G_OBJECT (et->group), "cursor_activated",
G_CALLBACK (group_cursor_activated), et);
g_signal_connect (G_OBJECT (et->group), "double_click",
G_CALLBACK (group_double_click), et);
g_signal_connect (G_OBJECT (et->group), "right_click",
G_CALLBACK (group_right_click), et);
g_signal_connect (G_OBJECT (et->group), "click",
G_CALLBACK (group_click), et);
g_signal_connect (G_OBJECT (et->group), "key_press",
G_CALLBACK (group_key_press), et);
g_signal_connect (G_OBJECT (et->group), "start_drag",
G_CALLBACK (group_start_drag), 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 (G_OBJECT (et->model), "model_changed",
G_CALLBACK (et_table_model_changed), et);
et->table_row_change_id = g_signal_connect (G_OBJECT (et->model), "model_row_changed",
G_CALLBACK (et_table_row_changed), et);
et->table_cell_change_id = g_signal_connect (G_OBJECT (et->model), "model_cell_changed",
G_CALLBACK (et_table_cell_changed), et);
et->table_rows_inserted_id = g_signal_connect (G_OBJECT (et->model), "model_rows_inserted",
G_CALLBACK (et_table_rows_inserted), et);
et->table_rows_deleted_id = g_signal_connect (G_OBJECT (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);
if (et->need_rebuild) {
if (et->group)
gtk_object_destroy (GTK_OBJECT (et->group));
et_build_groups(et);
gtk_object_set (GTK_OBJECT (et->canvas_vbox),
"width", (double) GTK_WIDGET (et->table_canvas)->allocation.width,
NULL);
if (GTK_WIDGET_REALIZED(et->table_canvas))
table_canvas_size_allocate (GTK_WIDGET(et->table_canvas), >K_WIDGET(et->table_canvas)->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)
{
gnome_canvas_item_set(
e_table->white_item,
"fill_color_gdk", >K_WIDGET(e_table->table_canvas)->style->base[GTK_STATE_NORMAL],
NULL);
CHECK_HORIZONTAL(e_table);
set_header_width (e_table);
}
static gint
white_item_event (GnomeCanvasItem *white_item, GdkEvent *event, ETable *e_table)
{
int return_val = 0;
g_signal_emit (GTK_OBJECT (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(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;
ETable *etable;
gtk_widget_queue_draw (widget);
if (!event->in)
return TRUE;
canvas = GNOME_CANVAS (widget);
etable = E_TABLE (data);
if (!canvas->focused_item && etable->group)
focus_first_etable_item (etable->group);
return TRUE;
}
static void
e_table_setup_table (ETable *e_table, ETableHeader *full_header, ETableHeader *header,
ETableModel *model)
{
e_table->table_canvas = GNOME_CANVAS (e_canvas_new ());
g_signal_connect (
G_OBJECT (e_table->table_canvas), "size_allocate",
G_CALLBACK (table_canvas_size_allocate), e_table);
g_signal_connect (
G_OBJECT (e_table->table_canvas), "focus_in_event",
G_CALLBACK (table_canvas_focus_event_cb), e_table);
g_signal_connect (
G_OBJECT (e_table->table_canvas), "focus_out_event",
G_CALLBACK (table_canvas_focus_event_cb), e_table);
g_signal_connect (
G_OBJECT (e_table), "drag_begin",
G_CALLBACK (et_drag_begin), e_table);
g_signal_connect (
G_OBJECT (e_table), "drag_end",
G_CALLBACK (et_drag_end), e_table);
g_signal_connect (
G_OBJECT (e_table), "drag_data_get",
G_CALLBACK (et_drag_data_get), e_table);
g_signal_connect (
G_OBJECT (e_table), "drag_data_delete",
G_CALLBACK (et_drag_data_delete), e_table);
g_signal_connect (
G_OBJECT (e_table), "drag_motion",
G_CALLBACK (et_drag_motion), e_table);
g_signal_connect (
G_OBJECT (e_table), "drag_leave",
G_CALLBACK (et_drag_leave), e_table);
g_signal_connect (
G_OBJECT (e_table), "drag_drop",
G_CALLBACK (et_drag_drop), e_table);
g_signal_connect (
G_OBJECT (e_table), "drag_data_received",
G_CALLBACK (et_drag_data_received), e_table);
g_signal_connect (G_OBJECT(e_table->table_canvas), "reflow",
G_CALLBACK (table_canvas_reflow), e_table);
gtk_widget_show (GTK_WIDGET (e_table->table_canvas));
e_table->white_item = gnome_canvas_item_new(
gnome_canvas_root(e_table->table_canvas),
e_canvas_background_get_type(),
"fill_color_gdk", >K_WIDGET(e_table->table_canvas)->style->base[GTK_STATE_NORMAL],
NULL);
g_signal_connect (G_OBJECT (e_table->white_item), "event",
G_CALLBACK (white_item_event), e_table);
g_signal_connect (G_OBJECT(e_table->table_canvas), "realize",
G_CALLBACK(et_canvas_realize), e_table);
g_signal_connect (G_OBJECT(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);
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 (
G_OBJECT (e_table->click_to_add), "cursor_change",
G_CALLBACK (click_to_add_cursor_change), 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 = g_new0 (GValue, 1);
g_value_init (val, G_TYPE_DOUBLE);
connect_header (e_table, state);
g_value_set_double (val, (double) (GTK_WIDGET(e_table->table_canvas)->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 (G_OBJECT (e_table->sort_info),
e_table->group_info_change_id);
if (e_table->sort_info_change_id)
g_signal_handler_disconnect (G_OBJECT (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 (G_OBJECT (e_table->sort_info), "group_info_changed",
G_CALLBACK (group_info_changed), e_table);
e_table->sort_info_change_id =
g_signal_connect (G_OBJECT (e_table->sort_info), "sort_info_changed",
G_CALLBACK (sort_info_changed), e_table);
}
else
e_table->sort_info = NULL;
if (e_table->sorter)
gtk_object_set(GTK_OBJECT(e_table->sorter),
"sort_info", e_table->sort_info,
NULL);
if (e_table->header_item)
gtk_object_set(GTK_OBJECT(e_table->header_item),
"ETableHeader", e_table->header,
"sort_info", e_table->sort_info,
NULL);
if (e_table->click_to_add)
gtk_object_set(GTK_OBJECT(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_set_state:
* @e_table: The #ETable object to modify
* @state_str: a string representing an #ETableState
*
* This routine sets the state of the #ETable from a string.
*
**/
void
e_table_set_state (ETable *e_table,
const gchar *state_str)
{
ETableState *state;
g_return_if_fail(e_table != NULL);
g_return_if_fail(E_IS_TABLE(e_table));
g_return_if_fail(state_str != NULL);
state = e_table_state_new();
e_table_state_load_from_string(state, state_str);
if (state->col_count > 0)
e_table_set_state_object(e_table, state);
g_object_unref(state);
}
/**
* 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_table != NULL);
g_return_if_fail(E_IS_TABLE(e_table));
g_return_if_fail(filename != NULL);
state = e_table_state_new();
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;
int full_col_count;
int i, j;
state = e_table_state_new();
state->sort_info = e_table->sort_info;
g_object_ref(state->sort_info);
state->col_count = e_table_header_count (e_table->header);
full_col_count = e_table_header_count (e_table->full_header);
state->columns = g_new(int, state->col_count);
state->expansions = g_new(double, state->col_count);
for (i = 0; i < state->col_count; i++) {
ETableCol *col = e_table_header_get_column(e_table->header, i);
state->columns[i] = -1;
for (j = 0; j < full_col_count; j++) {
if (col->col_idx == e_table_header_index(e_table->full_header, j)) {
state->columns[i] = j;
break;
}
}
state->expansions[i] = col->expansion;
}
return state;
}
/**
* e_table_get_state:
* @e_table: The #ETable to act on.
*
* Builds a state object based on the current state and returns the
* string corresponding to that state.
*
* Return value:
* A string describing the current state of the #ETable.
**/
gchar *e_table_get_state (ETable *e_table)
{
ETableState *state;
gchar *string;
state = e_table_get_state_object(e_table);
string = e_table_state_save_to_string(state);
g_object_unref(state);
return string;
}
/**
* 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 (G_OBJECT (et), et_signals [SELECTION_CHANGE], 0);
}
static void
et_selection_model_selection_row_changed (ETableGroup *etg, int row, ETable *et)
{
g_signal_emit (G_OBJECT (et), et_signals [SELECTION_CHANGE], 0);
}
static ETable *
et_real_construct (ETable *e_table, ETableModel *etm, ETableExtras *ete,
ETableSpecification *specification, ETableState *state)
{
int row = 0;
int col_count, i;
GValue *val = g_new0 (GValue, 1);
g_value_init (val, G_TYPE_OBJECT);
if (ete)
g_object_ref(ete);
else {
ete = e_table_extras_new();
g_object_ref(ete);
}
e_table->domain = g_strdup (specification->domain);
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 = e_utf8_from_locale_string (dgettext (e_table->domain, specification->click_to_add_message));
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);
g_object_ref (e_table->full_header);
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);
gtk_widget_push_colormap (gdk_rgb_get_cmap ());
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 = state->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 (G_OBJECT (e_table->sort_info), "group_info_changed",
G_CALLBACK (group_info_changed), e_table);
e_table->sort_info_change_id =
g_signal_connect (G_OBJECT (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_ref (e_table->sorter);
gtk_object_sink (GTK_OBJECT (e_table->sorter));
gtk_object_set (GTK_OBJECT (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(G_OBJECT(e_table->selection), "selection_changed",
G_CALLBACK (et_selection_model_selection_changed), e_table);
g_signal_connect(G_OBJECT(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);
gtk_layout_get_vadjustment (GTK_LAYOUT (e_table->table_canvas))->step_increment = 20;
gtk_adjustment_changed(gtk_layout_get_vadjustment (GTK_LAYOUT (e_table->table_canvas)));
gtk_layout_get_hadjustment (GTK_LAYOUT (e_table->table_canvas))->step_increment = 20;
gtk_adjustment_changed(gtk_layout_get_hadjustment (GTK_LAYOUT (e_table->table_canvas)));
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);
gtk_widget_pop_colormap ();
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.)
* @spec_str: The spec.
* @state_str: An optional state. (%NULL is valid.)
*
* 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,
const char *spec_str, const char *state_str)
{
ETableSpecification *specification;
ETableState *state;
g_return_val_if_fail(e_table != NULL, NULL);
g_return_val_if_fail(E_IS_TABLE(e_table), NULL);
g_return_val_if_fail(etm != NULL, 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(spec_str != NULL, NULL);
g_object_ref (etm);
specification = e_table_specification_new();
g_object_ref (specification);
if (!e_table_specification_load_from_string(specification, spec_str)) {
g_object_unref(specification);
return NULL;
}
if (state_str) {
state = e_table_state_new();
g_object_ref (state);
e_table_state_load_from_string(state, state_str);
if (state->col_count <= 0) {
g_object_unref(state);
state = specification->state;
g_object_ref(state);
}
} else {
state = specification->state;
g_object_ref(state);
}
e_table = et_real_construct (e_table, etm, ete, specification, state);
e_table->spec = specification;
g_object_unref(state);
return e_table;
}
/**
* e_table_construct_from_spec_file:
* @e_table: The newly created #ETable object.
* @etm: The model for this table.
* @ete: An optional #ETableExtras. (%NULL is valid.)
* @spec_fn: The filename of the spec.
* @state_fn: An optional state file. (%NULL is valid.)
*
* This is the internal implementation of e_table_new_from_spec_file()
* for use by subclasses or language bindings. See
* e_table_new_from_spec_file() for details.
*
* Return value:
* The passed in value @e_table or %NULL if there's an error.
**/
ETable *
e_table_construct_from_spec_file (ETable *e_table, ETableModel *etm, ETableExtras *ete,
const char *spec_fn, const char *state_fn)
{
ETableSpecification *specification;
ETableState *state;
g_return_val_if_fail(e_table != NULL, NULL);
g_return_val_if_fail(E_IS_TABLE(e_table), NULL);
g_return_val_if_fail(etm != NULL, 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(spec_fn != NULL, NULL);
specification = e_table_specification_new();
if (!e_table_specification_load_from_file(specification, spec_fn)) {
g_object_unref(specification);
return NULL;
}
if (state_fn) {
state = e_table_state_new();
if (!e_table_state_load_from_file(state, state_fn)) {
g_object_unref(state);
state = specification->state;
g_object_ref(state);
}
if (state->col_count <= 0) {
g_object_unref(state);
state = specification->state;
g_object_ref(state);
}
} else {
state = specification->state;
g_object_ref(state);
}
e_table = et_real_construct (e_table, etm, ete, specification, state);
e_table->spec = specification;
g_object_unref(state);
return e_table;
}
/**
* e_table_new:
* @etm: The model for this table.
* @ete: An optional #ETableExtras. (%NULL is valid.)
* @spec: The spec.
* @state: An optional state. (%NULL is valid.)
*
* 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()).
*
* @spec 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. If @state is NULL,
* then the default state from the spec will be used.
*
* Return value:
* The newly created #ETable or %NULL if there's an error.
**/
GtkWidget *
e_table_new (ETableModel *etm, ETableExtras *ete, const char *spec, const char *state)
{
ETable *e_table;
g_return_val_if_fail(etm != NULL, 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(spec != NULL, NULL);
e_table = gtk_type_new (e_table_get_type ());
e_table = e_table_construct (e_table, etm, ete, spec, state);
return GTK_WIDGET (e_table);
}
/**
* e_table_new_from_spec_file:
* @etm: The model for this table.
* @ete: An optional #ETableExtras. (%NULL is valid.)
* @spec_fn: The filename of the spec.
* @state_fn: An optional state file. (%NULL is valid.)
*
* This is very similar to e_table_new(), except instead of passing in
* strings you pass in the file names of the spec and state to load.
*
* @spec_fn is the filename of the spec to load. If this file doesn't
* exist, e_table_new_from_spec_file will return %NULL.
*
* @state_fn is the filename of the initial state to load. If this is
* %NULL or if the specified file doesn't exist, the default state
* from the spec file is used.
*
* Return value:
* The newly created #ETable or %NULL if there's an error.
**/
GtkWidget *
e_table_new_from_spec_file (ETableModel *etm, ETableExtras *ete, const char *spec_fn, const char *state_fn)
{
ETable *e_table;
g_return_val_if_fail(etm != NULL, 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(spec_fn != NULL, NULL);
e_table = gtk_type_new (e_table_get_type ());
e_table = e_table_construct_from_spec_file (e_table, etm, ete, spec_fn, state_fn);
return GTK_WIDGET (e_table);
}
#if 0
static xmlNode *
et_build_column_spec (ETable *e_table)
{
xmlNode *columns_shown;
gint i;
gint col_count;
columns_shown = xmlNewNode (NULL, "columns-shown");
col_count = e_table_header_count (e_table->header);
for (i = 0; i < col_count; i++){
gchar *text = g_strdup_printf ("%d", e_table_header_index(e_table->header, i));
xmlNewChild (columns_shown, NULL, "column", text);
g_free (text);
}
return columns_shown;
}
static xmlNode *
et_build_grouping_spec (ETable *e_table)
{
xmlNode *node;
xmlNode *grouping;
int i;
const int sort_count = e_table_sort_info_sorting_get_count (e_table->sort_info);
const int group_count = e_table_sort_info_grouping_get_count (e_table->sort_info);
grouping = xmlNewNode (NULL, "grouping");
node = grouping;
for (i = 0; i < group_count; i++) {
ETableSortColumn column = e_table_sort_info_grouping_get_nth(e_table->sort_info, i);
xmlNode *new_node = xmlNewChild(node, NULL, "group", NULL);
e_xml_set_integer_prop_by_name (new_node, "column", column.column);
e_xml_set_integer_prop_by_name (new_node, "ascending", column.ascending);
node = new_node;
}
for (i = 0; i < sort_count; i++) {
ETableSortColumn column = e_table_sort_info_sorting_get_nth(e_table->sort_info, i);
xmlNode *new_node = xmlNewChild(node, NULL, "leaf", NULL);
e_xml_set_integer_prop_by_name (new_node, "column", column.column);
e_xml_set_integer_prop_by_name (new_node, "ascending", column.ascending);
node = new_node;
}
return grouping;
}
static xmlDoc *
et_build_tree (ETable *e_table)
{
xmlDoc *doc;
xmlNode *root;
doc = xmlNewDoc ("1.0");
if (doc == NULL)
return NULL;
root = xmlNewDocNode (doc, NULL, "ETableSpecification", NULL);
xmlDocSetRootElement (doc, root);
xmlAddChild (root, et_build_column_spec (e_table));
xmlAddChild (root, et_build_grouping_spec (e_table));
return doc;
}
gchar *
e_table_get_specification (ETable *e_table)
{
xmlDoc *doc;
xmlChar *buffer;
gint size;
g_return_val_if_fail(e_table != NULL, NULL);
g_return_val_if_fail(E_IS_TABLE(e_table), NULL);
doc = et_build_tree (e_table);
xmlDocDumpMemory (doc, &buffer, &size);
xmlFreeDoc (doc);
return buffer;
}
int
e_table_set_specification (ETable *e_table, const char *spec)
{
xmlDoc *xmlSpec;
int ret;
g_return_val_if_fail(e_table != NULL, -1);
g_return_val_if_fail(E_IS_TABLE(e_table), -1);
g_return_val_if_fail(spec != NULL, -1);
/* doesn't work yet, sigh */
xmlSpec = xmlParseMemory ((char *)spec, strlen(spec));
ret = et_real_set_specification(e_table, xmlSpec);
xmlFreeDoc (xmlSpec);
return ret;
}
void
e_table_save_specification (ETable *e_table, const char *filename)
{
xmlDoc *doc = et_build_tree (e_table);
g_return_if_fail(e_table != NULL);
g_return_if_fail(E_IS_TABLE(e_table));
g_return_if_fail(filename != NULL);
e_xml_save_file (filename, doc);
xmlFreeDoc (doc);
}
int
e_table_load_specification (ETable *e_table, gchar *filename)
{
xmlDoc *xmlSpec;
int ret;
g_return_val_if_fail(e_table != NULL, -1);
g_return_val_if_fail(E_IS_TABLE(e_table), -1);
g_return_val_if_fail(filename != NULL, -1);
/* doesn't work yet, yay */
xmlSpec = xmlParseFile (filename);
ret = et_real_set_specification(e_table, xmlSpec);
xmlFreeDoc (xmlSpec);
return ret;
}
#endif
/**
* 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, int row)
{
g_return_if_fail(e_table != NULL);
g_return_if_fail(E_IS_TABLE(e_table));
g_return_if_fail(row >= 0);
gtk_object_set(GTK_OBJECT(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
**/
int
e_table_get_cursor_row (ETable *e_table)
{
int row;
g_return_val_if_fail(e_table != NULL, -1);
g_return_val_if_fail(E_IS_TABLE(e_table), -1);
gtk_object_get(GTK_OBJECT(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_table != NULL);
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_table != NULL, -1);
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 (table != NULL);
g_return_if_fail (E_IS_TABLE (table));
e_selection_model_select_all (E_SELECTION_MODEL (table->selection));
}
/**
* e_table_invert_selection:
* @table: The #ETable to modify
*
* Inverts the selection in @table.
**/
void
e_table_invert_selection (ETable *table)
{
g_return_if_fail (table != NULL);
g_return_if_fail (E_IS_TABLE (table));
e_selection_model_invert_selection (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_table != NULL, NULL);
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_arg (GtkObject *o, GtkArg *arg, guint arg_id)
{
ETable *etable = E_TABLE (o);
switch (arg_id){
case ARG_MODEL:
GTK_VALUE_OBJECT (*arg) = (GtkObject *) etable->model;
break;
case ARG_UNIFORM_ROW_HEIGHT:
GTK_VALUE_BOOL (*arg) = etable->uniform_row_height;
break;
case ARG_ALWAYS_SEARCH:
GTK_VALUE_BOOL (*arg) = etable->always_search;
break;
case ARG_USE_CLICK_TO_ADD:
GTK_VALUE_BOOL (*arg) = etable->use_click_to_add;
break;
default:
break;
}
}
typedef struct {
char *arg;
gboolean setting;
} bool_closure;
static void
et_set_arg (GtkObject *o, GtkArg *arg, guint arg_id)
{
ETable *etable = E_TABLE (o);
switch (arg_id){
case ARG_LENGTH_THRESHOLD:
etable->length_threshold = GTK_VALUE_INT (*arg);
if (etable->group) {
gnome_canvas_item_set (GNOME_CANVAS_ITEM(etable->group),
"length_threshold", GTK_VALUE_INT (*arg),
NULL);
}
break;
case ARG_UNIFORM_ROW_HEIGHT:
etable->uniform_row_height = GTK_VALUE_BOOL (*arg);
if (etable->group) {
gnome_canvas_item_set (GNOME_CANVAS_ITEM(etable->group),
"uniform_row_height", GTK_VALUE_BOOL (*arg),
NULL);
}
break;
case ARG_ALWAYS_SEARCH:
if (etable->always_search == GTK_VALUE_BOOL (*arg))
return;
etable->always_search = GTK_VALUE_BOOL (*arg);
clear_current_search_col (etable);
break;
case ARG_USE_CLICK_TO_ADD:
if (etable->use_click_to_add == GTK_VALUE_BOOL (*arg))
return;
etable->use_click_to_add = GTK_VALUE_BOOL (*arg);
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 (G_OBJECT (etable->click_to_add), "cursor_change",
G_CALLBACK (click_to_add_cursor_change), etable);
} else {
gtk_object_destroy (GTK_OBJECT (etable->click_to_add));
etable->click_to_add = NULL;
}
break;
}
}
static void
set_scroll_adjustments (ETable *table,
GtkAdjustment *hadjustment,
GtkAdjustment *vadjustment)
{
if (vadjustment != NULL) {
vadjustment->step_increment = 20;
gtk_adjustment_changed(vadjustment);
}
if (hadjustment != NULL) {
hadjustment->step_increment = 20;
gtk_adjustment_changed(hadjustment);
}
gtk_layout_set_hadjustment (GTK_LAYOUT(table->table_canvas),
hadjustment);
gtk_layout_set_vadjustment (GTK_LAYOUT(table->table_canvas),
vadjustment);
if (table->header_canvas != NULL)
gtk_layout_set_hadjustment (GTK_LAYOUT(table->header_canvas),
hadjustment);
}
/**
* 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_table != NULL, -1);
g_return_val_if_fail(E_IS_TABLE(e_table), -1);
if (e_table->sorter) {
int 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_table != NULL, -1);
g_return_val_if_fail(E_IS_TABLE(e_table), -1);
if (e_table->sorter) {
int 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_table != NULL, -1);
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_table != NULL, -1);
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,
int x, int y,
int *row_return, int *col_return)
{
g_return_if_fail (table != NULL);
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. */
x += GTK_LAYOUT(table->table_canvas)->hadjustment->value;
y += GTK_LAYOUT(table->table_canvas)->vadjustment->value;
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,
int row, int col,
int *x_return, int *y_return,
int *width_return, int *height_return)
{
g_return_if_fail (table != NULL);
g_return_if_fail (E_IS_TABLE (table));
e_table_group_get_cell_geometry(table->group, &row, &col, x_return, y_return, width_return, height_return);
if (x_return)
(*x_return) -= GTK_LAYOUT(table->table_canvas)->hadjustment->value;
if (y_return) {
(*y_return) -= GTK_LAYOUT(table->table_canvas)->vadjustment->value;
(*y_return) += GTK_WIDGET(table->header_canvas)->allocation.height;
}
}
/**
* 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 (table != NULL, NULL);
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 */
GdkColormap *colormap; /* Colormap for drag icon */
GdkPixmap *pixmap; /* Icon for drag data */
GdkBitmap *mask;
/* 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 */
gboolean dropped : 1; /* Set after we receive a drop */
guint32 proxy_drop_time; /* Timestamp for proxied drop */
gboolean 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,
int row,
int col,
GdkDragContext *context,
GdkAtom target,
guint32 time)
{
g_return_if_fail(table != NULL);
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,
int row,
int col)
{
g_return_if_fail(table != NULL);
g_return_if_fail(E_IS_TABLE(table));
if (row != -1) {
int x, y, width, height;
if (col == -1) {
e_table_get_cell_geometry (table, row, 0, &x, &y, &width, &height);
x = 0;
width = GTK_WIDGET (table->table_canvas)->allocation.width;
} else {
e_table_get_cell_geometry (table, row, col, &x, &y, &width, &height);
x += GTK_LAYOUT(table->table_canvas)->hadjustment->value;
}
y += GTK_LAYOUT(table->table_canvas)->vadjustment->value;
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", "black",
"width_pixels", 1,*/
"outline_color_gdk", &(GTK_WIDGET (table)->style->fg[GTK_STATE_NORMAL]),
NULL);
}
gnome_canvas_item_set (table->drop_highlight,
"x1", (double) x,
"x2", (double) x + width - 1,
"y1", (double) y,
"y2", (double) y + height - 1,
NULL);
} else {
if (table->drop_highlight) {
gtk_object_destroy (GTK_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(table != NULL);
g_return_if_fail(E_IS_TABLE(table));
if (table->drop_highlight) {
gtk_object_destroy (GTK_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(table != NULL);
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(table != NULL);
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(widget != NULL);
g_return_if_fail(E_IS_TABLE(widget));
gtk_drag_dest_unset(widget);
}
/* Source side */
static gint
et_real_start_drag (ETable *table, int row, int 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->pixmap)
gtk_drag_set_icon_pixmap (context,
site->colormap,
site->pixmap,
site->mask, -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(table != NULL);
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 (table != NULL);
g_return_if_fail (E_IS_TABLE(table));
site = table->site;
if (site) {
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,
int row,
int col,
GtkTargetList *targets,
GdkDragAction actions,
gint button,
GdkEvent *event)
{
g_return_val_if_fail (table != NULL, NULL);
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 (G_OBJECT (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 (G_OBJECT (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 (G_OBJECT (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 (G_OBJECT (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;
int row, col;
GtkWidget *widget;
widget = GTK_WIDGET (et);
x -= widget->allocation.x;
y -= widget->allocation.y;
e_table_get_cell_at (et, x, y, &row, &col);
if (row != et->drop_row && col != et->drop_row) {
g_signal_emit (G_OBJECT (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 (G_OBJECT (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;
int dx = 0, dy = 0;
GtkAdjustment *h, *v;
double hvalue, vvalue;
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;
h = GTK_LAYOUT(et->table_canvas)->hadjustment;
v = GTK_LAYOUT(et->table_canvas)->vadjustment;
hvalue = h->value;
vvalue = v->value;
gtk_adjustment_set_value(h, CLAMP(h->value + dx, h->lower, h->upper - h->page_size));
gtk_adjustment_set_value(v, CLAMP(v->value + dy, v->lower, v->upper - v->page_size));
if (h->value != hvalue ||
v->value != vvalue)
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 (!GTK_OBJECT_DESTROYED (et)) */
#ifndef NO_WARNINGS
#warning FIXME
#endif
{
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 (G_OBJECT (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)
{
gboolean ret_val;
guint direction = 0;
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);
x -= widget->allocation.x;
y -= widget->allocation.y;
if (y < 20)
direction |= ET_SCROLL_UP;
if (y > widget->allocation.height - 20)
direction |= ET_SCROLL_DOWN;
if (x < 20)
direction |= ET_SCROLL_LEFT;
if (x > widget->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;
int row, col;
x -= widget->allocation.x;
y -= widget->allocation.y;
e_table_get_cell_at (et, x, y, &row, &col);
if (row != et->drop_row && col != et->drop_row) {
g_signal_emit (G_OBJECT (et), et_signals [TABLE_DRAG_LEAVE], 0,
et->drop_row, et->drop_col, context, time);
g_signal_emit (G_OBJECT (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 (G_OBJECT (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)
{
int row, col;
x -= widget->allocation.x;
y -= widget->allocation.y;
e_table_get_cell_at (et, x, y, &row, &col);
g_signal_emit (G_OBJECT (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)
{
GtkObjectClass *object_class;
GtkWidgetClass *widget_class;
GtkContainerClass *container_class;
object_class = (GtkObjectClass *) class;
widget_class = (GtkWidgetClass *) class;
container_class = (GtkContainerClass *) class;
parent_class = g_type_class_peek_parent (class);
object_class->destroy = et_destroy;
G_OBJECT_CLASS (object_class)->finalize = et_finalize;
object_class->set_arg = et_set_arg;
object_class->get_arg = et_get_arg;
widget_class->grab_focus = et_grab_focus;
widget_class->unrealize = et_unrealize;
widget_class->size_request = et_size_request;
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,
e_marshal_NONE__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,
e_marshal_NONE__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,
e_marshal_NONE__NONE,
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);
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),
NULL, NULL,
e_marshal_INT__INT_INT_BOXED,
G_TYPE_INT, 3, G_TYPE_INT,
G_TYPE_INT, GDK_TYPE_EVENT);
et_signals [CLICK] =
g_signal_new ("click",
G_OBJECT_CLASS_TYPE (object_class),
G_SIGNAL_RUN_LAST,
G_STRUCT_OFFSET (ETableClass, click),
NULL, NULL,
e_marshal_INT__INT_INT_BOXED,
G_TYPE_INT, 3, G_TYPE_INT,
G_TYPE_INT, GDK_TYPE_EVENT);
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),
NULL, NULL,
e_marshal_INT__INT_INT_BOXED,
G_TYPE_INT, 3, G_TYPE_INT,
G_TYPE_INT, GDK_TYPE_EVENT);
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),
NULL, NULL,
e_marshal_INT__INT_INT_BOXED,
G_TYPE_INT, 3, G_TYPE_INT,
G_TYPE_INT, GDK_TYPE_EVENT);
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,
e_marshal_NONE__NONE,
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),
NULL, NULL,
e_marshal_INT__BOXED,
G_TYPE_INT, 1, GDK_TYPE_EVENT);
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_TYPE_UINT,
G_TYPE_UINT);
et_signals[TABLE_DRAG_DATA_DELETE] =
g_signal_new ("table_drag_data_delete",
GTK_RUN_LAST,
E_OBJECT_CLASS_TYPE (object_class),
GTK_SIGNAL_OFFSET (ETableClass, table_drag_data_delete),
NULL, NULL,
e_marshal_NONE__INT_INT_OBJECT,
GTK_TYPE_NONE, 3,
GTK_TYPE_INT,
GTK_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_TYPE_UINT,
G_TYPE_UINT);
class->set_scroll_adjustments = set_scroll_adjustments;
widget_class->set_scroll_adjustments_signal =
g_signal_new ("set_scroll_adjustments",
G_OBJECT_CLASS_TYPE (object_class),
G_SIGNAL_RUN_LAST,
G_STRUCT_OFFSET (ETableClass, set_scroll_adjustments),
NULL, NULL,
e_marshal_NONE__OBJECT_OBJECT,
G_TYPE_NONE, 2, GTK_TYPE_ADJUSTMENT, GTK_TYPE_ADJUSTMENT);
gtk_object_add_arg_type ("ETable::length_threshold", GTK_TYPE_INT,
GTK_ARG_WRITABLE, ARG_LENGTH_THRESHOLD);
gtk_object_add_arg_type ("ETable::uniform_row_height", GTK_TYPE_BOOL,
GTK_ARG_READWRITE, ARG_UNIFORM_ROW_HEIGHT);
gtk_object_add_arg_type ("ETable::always_search", GTK_TYPE_BOOL,
GTK_ARG_READWRITE, ARG_ALWAYS_SEARCH);
gtk_object_add_arg_type ("ETable::use_click_to_add", GTK_TYPE_BOOL,
GTK_ARG_READWRITE, ARG_USE_CLICK_TO_ADD);
gtk_object_add_arg_type ("ETable::model", E_TABLE_MODEL_TYPE,
GTK_ARG_READABLE, ARG_MODEL);
}
E_MAKE_TYPE(e_table, "ETable", ETable, e_table_class_init, e_table_init, PARENT_TYPE)