diff options
Diffstat (limited to 'widgets/table/e-table-field-chooser-item.c')
| -rw-r--r-- | widgets/table/e-table-field-chooser-item.c | 691 |
1 files changed, 0 insertions, 691 deletions
diff --git a/widgets/table/e-table-field-chooser-item.c b/widgets/table/e-table-field-chooser-item.c deleted file mode 100644 index 5bd71a1fbc..0000000000 --- a/widgets/table/e-table-field-chooser-item.c +++ /dev/null @@ -1,691 +0,0 @@ -/* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*- */ -/* - * e-table-field-chooser-item.c - * Copyright 2000, 2001, Ximian, Inc. - * - * Authors: - * Chris Lahey <clahey@ximian.com> - * - * This library is free software; you can redistribute it and/or - * modify it under the terms of the GNU Library General Public - * License, version 2, as published by the Free Software Foundation. - * - * This library is distributed in the hope that it will be useful, but - * WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - * Library General Public License for more details. - * - * You should have received a copy of the GNU Library General Public - * License along with this library; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA - * 02111-1307, USA. - */ - -#include <config.h> -#include <string.h> -#include <gtk/gtksignal.h> -#include <gtk/gtkdnd.h> -#include <libgnomeui/gnome-canvas.h> -#include <libgnomeui/gnome-canvas-util.h> -#include <libgnomeui/gnome-canvas-polygon.h> -#include <libgnomeui/gnome-canvas-rect-ellipse.h> -#include <gdk-pixbuf/gdk-pixbuf.h> - -#include "gal/util/e-util.h" -#include "gal/util/e-xml-utils.h" -#include "gal/widgets/e-canvas.h" - -#include "e-table-header.h" -#include "e-table-col-dnd.h" -#include "e-table-defines.h" -#include "e-table-header-utils.h" - -#include "e-table-field-chooser-item.h" - -#if 0 -enum { - BUTTON_PRESSED, - LAST_SIGNAL -}; - -static guint etfci_signals [LAST_SIGNAL] = { 0, }; -#endif - -#define PARENT_OBJECT_TYPE gnome_canvas_item_get_type () - -#define ELEMENTS(x) (sizeof (x) / sizeof (x[0])) - -static GnomeCanvasItemClass *etfci_parent_class; - -static void etfci_drop_table_header (ETableFieldChooserItem *etfci); -static void etfci_drop_full_header (ETableFieldChooserItem *etfci); - -enum { - ARG_0, - ARG_FULL_HEADER, - ARG_HEADER, - ARG_DND_CODE, - ARG_WIDTH, - ARG_HEIGHT, -}; - -static void -etfci_destroy (GtkObject *object){ - ETableFieldChooserItem *etfci = E_TABLE_FIELD_CHOOSER_ITEM (object); - - etfci_drop_table_header (etfci); - etfci_drop_full_header (etfci); - if (etfci->combined_header != NULL) - gtk_object_unref (GTK_OBJECT (etfci->combined_header)); - - gdk_font_unref(etfci->font); - - if (GTK_OBJECT_CLASS (etfci_parent_class)->destroy) - (*GTK_OBJECT_CLASS (etfci_parent_class)->destroy) (object); -} - -static gint -etfci_find_button (ETableFieldChooserItem *etfci, double loc) -{ - int i; - int count; - double height = 0; - GtkStyle *style; - - style = GTK_WIDGET (GNOME_CANVAS_ITEM (etfci)->canvas)->style; - - count = e_table_header_count(etfci->combined_header); - for (i = 0; i < count; i++) { - ETableCol *ecol; - - ecol = e_table_header_get_column (etfci->combined_header, i); - if (ecol->disabled) - continue; - height += e_table_header_compute_height (ecol, style, etfci->font); - if (height > loc) - return i; - } - return MAX(0, count - 1); -} - -static void -etfci_rebuild_combined (ETableFieldChooserItem *etfci) -{ - int count; - GHashTable *hash; - int i; - - if (etfci->combined_header != NULL) - gtk_object_unref (GTK_OBJECT (etfci->combined_header)); - - etfci->combined_header = e_table_header_new (); - - hash = g_hash_table_new (NULL, NULL); - - count = e_table_header_count (etfci->header); - for (i = 0; i < count; i++) { - ETableCol *ecol = e_table_header_get_column (etfci->header, i); - if (ecol->disabled) - continue; - g_hash_table_insert (hash, GINT_TO_POINTER (ecol->col_idx), GINT_TO_POINTER (1)); - } - - count = e_table_header_count (etfci->full_header); - for (i = 0; i < count; i++) { - ETableCol *ecol = e_table_header_get_column (etfci->full_header, i); - if (ecol->disabled) - continue; - if (! (GPOINTER_TO_INT (g_hash_table_lookup (hash, GINT_TO_POINTER (ecol->col_idx))))) - e_table_header_add_column (etfci->combined_header, ecol, -1); - } - - g_hash_table_destroy (hash); -} - -static void -etfci_reflow (GnomeCanvasItem *item, gint flags) -{ - ETableFieldChooserItem *etfci = E_TABLE_FIELD_CHOOSER_ITEM (item); - double old_height; - int i; - int count; - double height = 0; - GtkStyle *style; - - etfci_rebuild_combined (etfci); - - style = GTK_WIDGET (GNOME_CANVAS_ITEM (etfci)->canvas)->style; - - old_height = etfci->height; - - count = e_table_header_count(etfci->combined_header); - for (i = 0; i < count; i++) { - ETableCol *ecol; - - ecol = e_table_header_get_column (etfci->combined_header, i); - if (ecol->disabled) - continue; - height += e_table_header_compute_height (ecol, style, etfci->font); - } - - etfci->height = height; - - if (old_height != etfci->height) - e_canvas_item_request_parent_reflow(item); - - gnome_canvas_item_request_update(item); -} - -static void -etfci_update (GnomeCanvasItem *item, double *affine, ArtSVP *clip_path, int flags) -{ - ETableFieldChooserItem *etfci = E_TABLE_FIELD_CHOOSER_ITEM (item); - double i2c [6]; - ArtPoint c1, c2, i1, i2; - - if (GNOME_CANVAS_ITEM_CLASS (etfci_parent_class)->update) - (*GNOME_CANVAS_ITEM_CLASS (etfci_parent_class)->update)(item, affine, clip_path, flags); - - i1.x = i1.y = 0; - i2.x = etfci->width; - i2.y = etfci->height; - - gnome_canvas_item_i2c_affine (item, i2c); - art_affine_point (&c1, &i1, i2c); - art_affine_point (&c2, &i2, i2c); - - if (item->x1 != c1.x || - item->y1 != c1.y || - item->x2 != c2.x || - item->y2 != c2.y) - { - gnome_canvas_request_redraw (item->canvas, item->x1, item->y1, item->x2, item->y2); - item->x1 = c1.x; - item->y1 = c1.y; - item->x2 = c2.x; - item->y2 = c2.y; - - gnome_canvas_group_child_bounds (GNOME_CANVAS_GROUP (item->parent), item); - } - gnome_canvas_request_redraw (item->canvas, item->x1, item->y1, item->x2, item->y2); -} - -static void -etfci_font_load (ETableFieldChooserItem *etfci) -{ - if (etfci->font) - gdk_font_unref (etfci->font); - - etfci->font = GTK_WIDGET(GNOME_CANVAS_ITEM(etfci)->canvas)->style->font; - gdk_font_ref(etfci->font); -} - -static void -etfci_drop_full_header (ETableFieldChooserItem *etfci) -{ - GtkObject *header; - - if (!etfci->full_header) - return; - - header = GTK_OBJECT (etfci->full_header); - if (etfci->full_header_structure_change_id) - gtk_signal_disconnect (header, etfci->full_header_structure_change_id); - if (etfci->full_header_dimension_change_id) - gtk_signal_disconnect (header, etfci->full_header_dimension_change_id); - etfci->full_header_structure_change_id = 0; - etfci->full_header_dimension_change_id = 0; - - if (header) - gtk_object_unref (header); - etfci->full_header = NULL; - etfci->height = 0; - e_canvas_item_request_reflow(GNOME_CANVAS_ITEM(etfci)); -} - -static void -full_header_structure_changed (ETableHeader *header, ETableFieldChooserItem *etfci) -{ - e_canvas_item_request_reflow(GNOME_CANVAS_ITEM(etfci)); -} - -static void -full_header_dimension_changed (ETableHeader *header, int col, ETableFieldChooserItem *etfci) -{ - e_canvas_item_request_reflow(GNOME_CANVAS_ITEM(etfci)); -} - -static void -etfci_add_full_header (ETableFieldChooserItem *etfci, ETableHeader *header) -{ - etfci->full_header = header; - gtk_object_ref (GTK_OBJECT (etfci->full_header)); - - etfci->full_header_structure_change_id = gtk_signal_connect ( - GTK_OBJECT (header), "structure_change", - GTK_SIGNAL_FUNC(full_header_structure_changed), etfci); - etfci->full_header_dimension_change_id = gtk_signal_connect ( - GTK_OBJECT (header), "dimension_change", - GTK_SIGNAL_FUNC(full_header_dimension_changed), etfci); - e_canvas_item_request_reflow(GNOME_CANVAS_ITEM(etfci)); -} - -static void -etfci_drop_table_header (ETableFieldChooserItem *etfci) -{ - GtkObject *header; - - if (!etfci->header) - return; - - header = GTK_OBJECT (etfci->header); - if (etfci->table_header_structure_change_id) - gtk_signal_disconnect (header, etfci->table_header_structure_change_id); - if (etfci->table_header_dimension_change_id) - gtk_signal_disconnect (header, etfci->table_header_dimension_change_id); - etfci->table_header_structure_change_id = 0; - etfci->table_header_dimension_change_id = 0; - - if (header) - gtk_object_unref (header); - etfci->header = NULL; - etfci->height = 0; - e_canvas_item_request_reflow(GNOME_CANVAS_ITEM(etfci)); -} - -static void -table_header_structure_changed (ETableHeader *header, ETableFieldChooserItem *etfci) -{ - e_canvas_item_request_reflow(GNOME_CANVAS_ITEM(etfci)); -} - -static void -table_header_dimension_changed (ETableHeader *header, int col, ETableFieldChooserItem *etfci) -{ - e_canvas_item_request_reflow(GNOME_CANVAS_ITEM(etfci)); -} - -static void -etfci_add_table_header (ETableFieldChooserItem *etfci, ETableHeader *header) -{ - etfci->header = header; - gtk_object_ref (GTK_OBJECT (etfci->header)); - - etfci->table_header_structure_change_id = gtk_signal_connect ( - GTK_OBJECT (header), "structure_change", - GTK_SIGNAL_FUNC(table_header_structure_changed), etfci); - etfci->table_header_dimension_change_id = gtk_signal_connect ( - GTK_OBJECT (header), "dimension_change", - GTK_SIGNAL_FUNC(table_header_dimension_changed), etfci); - e_canvas_item_request_reflow(GNOME_CANVAS_ITEM(etfci)); -} - -static void -etfci_set_arg (GtkObject *o, GtkArg *arg, guint arg_id) -{ - GnomeCanvasItem *item; - ETableFieldChooserItem *etfci; - - item = GNOME_CANVAS_ITEM (o); - etfci = E_TABLE_FIELD_CHOOSER_ITEM (o); - - switch (arg_id){ - case ARG_FULL_HEADER: - etfci_drop_full_header (etfci); - if (GTK_VALUE_OBJECT (*arg)) - etfci_add_full_header (etfci, E_TABLE_HEADER(GTK_VALUE_OBJECT (*arg))); - break; - - case ARG_HEADER: - etfci_drop_table_header (etfci); - if (GTK_VALUE_OBJECT (*arg)) - etfci_add_table_header (etfci, E_TABLE_HEADER(GTK_VALUE_OBJECT (*arg))); - break; - - case ARG_DND_CODE: - g_free(etfci->dnd_code); - etfci->dnd_code = g_strdup(GTK_VALUE_STRING (*arg)); - break; - - case ARG_WIDTH: - etfci->width = GTK_VALUE_DOUBLE (*arg); - gnome_canvas_item_request_update(item); - break; - } -} - -static void -etfci_get_arg (GtkObject *o, GtkArg *arg, guint arg_id) -{ - GnomeCanvasItem *item; - ETableFieldChooserItem *etfci; - - item = GNOME_CANVAS_ITEM (o); - etfci = E_TABLE_FIELD_CHOOSER_ITEM (o); - - switch (arg_id){ - - case ARG_DND_CODE: - GTK_VALUE_STRING (*arg) = g_strdup (etfci->dnd_code); - break; - case ARG_WIDTH: - GTK_VALUE_DOUBLE (*arg) = etfci->width; - break; - case ARG_HEIGHT: - GTK_VALUE_DOUBLE (*arg) = etfci->height; - break; - default: - arg->type = GTK_TYPE_INVALID; - break; - } -} - -static void -etfci_drag_data_get (GtkWidget *widget, - GdkDragContext *context, - GtkSelectionData *selection_data, - guint info, - guint time, - ETableFieldChooserItem *etfci) -{ - if (etfci->drag_col != -1) { - gchar *string = g_strdup_printf("%d", etfci->drag_col); - gtk_selection_data_set(selection_data, - GDK_SELECTION_TYPE_STRING, - sizeof(string[0]), - string, - strlen(string)); - g_free(string); - } -} - -static void -etfci_drag_end (GtkWidget *canvas, - GdkDragContext *context, - ETableFieldChooserItem *etfci) -{ - etfci->drag_col = -1; -} - -static void -etfci_realize (GnomeCanvasItem *item) -{ - ETableFieldChooserItem *etfci = E_TABLE_FIELD_CHOOSER_ITEM (item); - GdkWindow *window; - - if (GNOME_CANVAS_ITEM_CLASS (etfci_parent_class)-> realize) - (*GNOME_CANVAS_ITEM_CLASS (etfci_parent_class)->realize)(item); - - window = GTK_WIDGET (item->canvas)->window; - - if (!etfci->font) - etfci_font_load (etfci); - - etfci->drag_end_id = gtk_signal_connect ( - GTK_OBJECT (item->canvas), "drag_end", - GTK_SIGNAL_FUNC (etfci_drag_end), etfci); - etfci->drag_data_get_id = gtk_signal_connect ( - GTK_OBJECT (item->canvas), "drag_data_get", - GTK_SIGNAL_FUNC (etfci_drag_data_get), etfci); - e_canvas_item_request_reflow(GNOME_CANVAS_ITEM(etfci)); -} - -static void -etfci_unrealize (GnomeCanvasItem *item) -{ - ETableFieldChooserItem *etfci = E_TABLE_FIELD_CHOOSER_ITEM (item); - - if (etfci->font) - gdk_font_unref (etfci->font); - etfci->font = NULL; - - gtk_signal_disconnect (GTK_OBJECT (item->canvas), etfci->drag_end_id); - etfci->drag_end_id = 0; - gtk_signal_disconnect (GTK_OBJECT (item->canvas), etfci->drag_data_get_id); - etfci->drag_data_get_id = 0; - - if (GNOME_CANVAS_ITEM_CLASS (etfci_parent_class)->unrealize) - (*GNOME_CANVAS_ITEM_CLASS (etfci_parent_class)->unrealize)(item); -} - -static void -etfci_draw (GnomeCanvasItem *item, GdkDrawable *drawable, int x, int y, int width, int height) -{ - ETableFieldChooserItem *etfci = E_TABLE_FIELD_CHOOSER_ITEM (item); - GnomeCanvas *canvas = item->canvas; - int rows; - int y1, y2; - int row; - GtkStyle *style; - GtkStateType state; - - if (etfci->combined_header == NULL) - return; - - rows = e_table_header_count (etfci->combined_header); - - style = GTK_WIDGET (canvas)->style; - state = GTK_WIDGET_STATE (canvas); - - y1 = y2 = 0; - for (row = 0; row < rows; row++, y1 = y2){ - ETableCol *ecol; - - ecol = e_table_header_get_column (etfci->combined_header, row); - - if (ecol->disabled) - continue; - - y2 += e_table_header_compute_height (ecol, style, etfci->font); - - if (y1 > (y + height)) - break; - - if (y2 < y) - continue; - - e_table_header_draw_button (drawable, ecol, - style, etfci->font, state, - GTK_WIDGET (canvas), - -x, y1 - y, - width, height, - etfci->width, y2 - y1, - E_TABLE_COL_ARROW_NONE); - } -} - -static double -etfci_point (GnomeCanvasItem *item, double x, double y, int cx, int cy, - GnomeCanvasItem **actual_item) -{ - *actual_item = item; - return 0.0; -} - -static gboolean -etfci_maybe_start_drag (ETableFieldChooserItem *etfci, double x, double y) -{ - if (!etfci->maybe_drag) - return FALSE; - - if (MAX (abs (etfci->click_x - x), - abs (etfci->click_y - y)) <= 3) - return FALSE; - - return TRUE; -} - -static void -etfci_start_drag (ETableFieldChooserItem *etfci, GdkEvent *event, double x, double y) -{ - GtkWidget *widget = GTK_WIDGET (GNOME_CANVAS_ITEM (etfci)->canvas); - GtkTargetList *list; - GdkDragContext *context; - ETableCol *ecol; - GdkPixmap *pixmap; - int drag_col; - int button_height; - - GtkTargetEntry etfci_drag_types [] = { - { TARGET_ETABLE_COL_TYPE, 0, TARGET_ETABLE_COL_HEADER }, - }; - - if (etfci->combined_header == NULL) - return; - - drag_col = etfci_find_button(etfci, y); - - if (drag_col < 0 || drag_col > e_table_header_count(etfci->combined_header)) - return; - - ecol = e_table_header_get_column (etfci->combined_header, drag_col); - - if (ecol->disabled) - return; - - etfci->drag_col = ecol->col_idx; - - etfci_drag_types[0].target = g_strdup_printf("%s-%s", etfci_drag_types[0].target, etfci->dnd_code); - list = gtk_target_list_new (etfci_drag_types, ELEMENTS (etfci_drag_types)); - context = gtk_drag_begin (widget, list, GDK_ACTION_MOVE, 1, event); - g_free(etfci_drag_types[0].target); - - button_height = e_table_header_compute_height (ecol, widget->style, etfci->font); - pixmap = gdk_pixmap_new (widget->window, etfci->width, button_height, -1); - - e_table_header_draw_button (pixmap, ecol, - widget->style, etfci->font, GTK_WIDGET_STATE (widget), - widget, - 0, 0, - etfci->width, button_height, - etfci->width, button_height, - E_TABLE_COL_ARROW_NONE); - - gtk_drag_set_icon_pixmap (context, - gdk_window_get_colormap (widget->window), - pixmap, - NULL, - etfci->width / 2, - button_height / 2); - gdk_pixmap_unref (pixmap); - etfci->maybe_drag = FALSE; -} - -/* - * Handles the events on the ETableFieldChooserItem - */ -static int -etfci_event (GnomeCanvasItem *item, GdkEvent *e) -{ - ETableFieldChooserItem *etfci = E_TABLE_FIELD_CHOOSER_ITEM (item); - GnomeCanvas *canvas = item->canvas; - int x, y; - - switch (e->type){ - case GDK_MOTION_NOTIFY: - gnome_canvas_w2c (canvas, e->motion.x, e->motion.y, &x, &y); - - if (etfci_maybe_start_drag (etfci, x, y)) - etfci_start_drag (etfci, e, x, y); - break; - - case GDK_BUTTON_PRESS: - gnome_canvas_w2c (canvas, e->button.x, e->button.y, &x, &y); - - if (e->button.button == 1){ - etfci->click_x = x; - etfci->click_y = y; - etfci->maybe_drag = TRUE; - } - break; - - case GDK_BUTTON_RELEASE: { - etfci->maybe_drag = FALSE; - break; - } - - default: - return FALSE; - } - return TRUE; -} - -static void -etfci_class_init (GtkObjectClass *object_class) -{ - GnomeCanvasItemClass *item_class = (GnomeCanvasItemClass *) object_class; - - etfci_parent_class = gtk_type_class (PARENT_OBJECT_TYPE); - - object_class->destroy = etfci_destroy; - object_class->set_arg = etfci_set_arg; - object_class->get_arg = etfci_get_arg; - - item_class->update = etfci_update; - item_class->realize = etfci_realize; - item_class->unrealize = etfci_unrealize; - item_class->draw = etfci_draw; - item_class->point = etfci_point; - item_class->event = etfci_event; - - gtk_object_add_arg_type ("ETableFieldChooserItem::dnd_code", GTK_TYPE_STRING, - GTK_ARG_READWRITE, ARG_DND_CODE); - gtk_object_add_arg_type ("ETableFieldChooserItem::full_header", GTK_TYPE_OBJECT, - GTK_ARG_WRITABLE, ARG_FULL_HEADER); - gtk_object_add_arg_type ("ETableFieldChooserItem::header", GTK_TYPE_OBJECT, - GTK_ARG_WRITABLE, ARG_HEADER); - gtk_object_add_arg_type ("ETableFieldChooserItem::width", GTK_TYPE_DOUBLE, - GTK_ARG_READWRITE, ARG_WIDTH); - gtk_object_add_arg_type ("ETableFieldChooserItem::height", GTK_TYPE_DOUBLE, - GTK_ARG_READABLE, ARG_HEIGHT); -} - -static void -etfci_init (GnomeCanvasItem *item) -{ - ETableFieldChooserItem *etfci = E_TABLE_FIELD_CHOOSER_ITEM (item); - - etfci->full_header = NULL; - etfci->header = NULL; - etfci->combined_header = NULL; - - etfci->height = etfci->width = 0; - - etfci->font = NULL; - - etfci->full_header_structure_change_id = 0; - etfci->full_header_dimension_change_id = 0; - etfci->table_header_structure_change_id = 0; - etfci->table_header_dimension_change_id = 0; - - etfci->dnd_code = NULL; - - etfci->maybe_drag = 0; - etfci->drag_end_id = 0; - - e_canvas_item_set_reflow_callback(item, etfci_reflow); -} - -GtkType -e_table_field_chooser_item_get_type (void) -{ - static GtkType type = 0; - - if (!type){ - GtkTypeInfo info = { - "ETableFieldChooserItem", - sizeof (ETableFieldChooserItem), - sizeof (ETableFieldChooserItemClass), - (GtkClassInitFunc) etfci_class_init, - (GtkObjectInitFunc) etfci_init, - NULL, /* reserved 1 */ - NULL, /* reserved 2 */ - (GtkClassInitFunc) NULL - }; - - type = gtk_type_unique (PARENT_OBJECT_TYPE, &info); - } - - return type; -} - |