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-rw-r--r--e-util/e-table-field-chooser.c335
1 files changed, 335 insertions, 0 deletions
diff --git a/e-util/e-table-field-chooser.c b/e-util/e-table-field-chooser.c
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+++ b/e-util/e-table-field-chooser.c
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+/*
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2 of the License, or (at your option) version 3.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with the program; if not, see <http://www.gnu.org/licenses/>
+ *
+ *
+ * Authors:
+ * Chris Lahey <clahey@ximian.com>
+ *
+ * Copyright (C) 1999-2008 Novell, Inc. (www.novell.com)
+ *
+ */
+
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+
+#include "e-table-field-chooser.h"
+
+#include <gtk/gtk.h>
+#include <glib/gi18n.h>
+#include <libgnomecanvas/libgnomecanvas.h>
+
+#include "e-canvas.h"
+#include "e-table-field-chooser-item.h"
+#include "e-util-private.h"
+
+static void e_table_field_chooser_set_property (GObject *object, guint property_id, const GValue *value, GParamSpec *pspec);
+static void e_table_field_chooser_get_property (GObject *object, guint property_id, GValue *value, GParamSpec *pspec);
+static void e_table_field_chooser_dispose (GObject *object);
+
+enum {
+ PROP_0,
+ PROP_FULL_HEADER,
+ PROP_HEADER,
+ PROP_DND_CODE
+};
+
+G_DEFINE_TYPE (ETableFieldChooser, e_table_field_chooser, GTK_TYPE_VBOX)
+
+static void
+e_table_field_chooser_class_init (ETableFieldChooserClass *class)
+{
+ GObjectClass *object_class;
+
+ object_class = (GObjectClass *) class;
+
+ object_class->set_property = e_table_field_chooser_set_property;
+ object_class->get_property = e_table_field_chooser_get_property;
+ object_class->dispose = e_table_field_chooser_dispose;
+
+ g_object_class_install_property (
+ object_class,
+ PROP_DND_CODE,
+ g_param_spec_string (
+ "dnd_code",
+ "DnD code",
+ NULL,
+ NULL,
+ G_PARAM_READWRITE));
+
+ g_object_class_install_property (
+ object_class,
+ PROP_FULL_HEADER,
+ g_param_spec_object (
+ "full_header",
+ "Full Header",
+ NULL,
+ E_TYPE_TABLE_HEADER,
+ G_PARAM_READWRITE));
+
+ g_object_class_install_property (
+ object_class,
+ PROP_HEADER,
+ g_param_spec_object (
+ "header",
+ "Header",
+ NULL,
+ E_TYPE_TABLE_HEADER,
+ G_PARAM_READWRITE));
+}
+
+static void
+ensure_nonzero_step_increments (ETableFieldChooser *etfc)
+{
+ GtkAdjustment *va, *ha;
+
+ va = gtk_scrollable_get_vadjustment (GTK_SCROLLABLE (etfc->canvas));
+ ha = gtk_scrollable_get_hadjustment (GTK_SCROLLABLE (etfc->canvas));
+
+ /*
+ it looks pretty complicated to get height of column header
+ so use 16 pixels which should be OK
+ */
+ if (va)
+ gtk_adjustment_set_step_increment (va, 16.0);
+ if (ha)
+ gtk_adjustment_set_step_increment (ha, 16.0);
+}
+
+static void allocate_callback (GtkWidget *canvas, GtkAllocation *allocation, ETableFieldChooser *etfc)
+{
+ gdouble height;
+ etfc->last_alloc = *allocation;
+ gnome_canvas_item_set (
+ etfc->item,
+ "width", (gdouble) allocation->width,
+ NULL);
+ g_object_get (
+ etfc->item,
+ "height", &height,
+ NULL);
+ height = MAX (height, allocation->height);
+ gnome_canvas_set_scroll_region (GNOME_CANVAS (etfc->canvas), 0, 0, allocation->width - 1, height - 1);
+ gnome_canvas_item_set (
+ etfc->rect,
+ "x2", (gdouble) allocation->width,
+ "y2", (gdouble) height,
+ NULL);
+ ensure_nonzero_step_increments (etfc);
+}
+
+static void resize (GnomeCanvas *canvas, ETableFieldChooser *etfc)
+{
+ gdouble height;
+ g_object_get (
+ etfc->item,
+ "height", &height,
+ NULL);
+
+ height = MAX (height, etfc->last_alloc.height);
+
+ gnome_canvas_set_scroll_region (GNOME_CANVAS (etfc->canvas), 0, 0, etfc->last_alloc.width - 1, height - 1);
+ gnome_canvas_item_set (
+ etfc->rect,
+ "x2", (gdouble) etfc->last_alloc.width,
+ "y2", (gdouble) height,
+ NULL);
+ ensure_nonzero_step_increments (etfc);
+}
+
+static GtkWidget *
+create_content (GnomeCanvas **canvas)
+{
+ GtkWidget *vbox_top;
+ GtkWidget *label1;
+ GtkWidget *scrolledwindow1;
+ GtkWidget *canvas_buttons;
+
+ g_return_val_if_fail (canvas != NULL, NULL);
+
+ vbox_top = gtk_vbox_new (FALSE, 4);
+ gtk_widget_show (vbox_top);
+
+ label1 = gtk_label_new (_("To add a column to your table, drag it into\nthe location in which you want it to appear."));
+ gtk_widget_show (label1);
+ gtk_box_pack_start (GTK_BOX (vbox_top), label1, FALSE, FALSE, 0);
+ gtk_label_set_justify (GTK_LABEL (label1), GTK_JUSTIFY_CENTER);
+
+ scrolledwindow1 = gtk_scrolled_window_new (NULL, NULL);
+ gtk_widget_show (scrolledwindow1);
+ gtk_box_pack_start (GTK_BOX (vbox_top), scrolledwindow1, TRUE, TRUE, 0);
+ gtk_widget_set_can_focus (scrolledwindow1, FALSE);
+ gtk_scrolled_window_set_policy (GTK_SCROLLED_WINDOW (scrolledwindow1), GTK_POLICY_AUTOMATIC, GTK_POLICY_AUTOMATIC);
+
+ canvas_buttons = e_canvas_new ();
+ gtk_widget_show (canvas_buttons);
+ gtk_container_add (GTK_CONTAINER (scrolledwindow1), canvas_buttons);
+ gtk_widget_set_can_focus (canvas_buttons, FALSE);
+ gtk_widget_set_can_default (canvas_buttons, FALSE);
+
+ *canvas = GNOME_CANVAS (canvas_buttons);
+
+ return vbox_top;
+}
+
+static void
+e_table_field_chooser_init (ETableFieldChooser *etfc)
+{
+ GtkWidget *widget;
+
+ widget = create_content (&etfc->canvas);
+ if (!widget) {
+ return;
+ }
+
+ gtk_widget_set_size_request (widget, -1, 250);
+ gtk_box_pack_start (GTK_BOX (etfc), widget, TRUE, TRUE, 0);
+
+ etfc->rect = gnome_canvas_item_new (
+ gnome_canvas_root (GNOME_CANVAS (etfc->canvas)),
+ gnome_canvas_rect_get_type (),
+ "x1", (gdouble) 0,
+ "y1", (gdouble) 0,
+ "x2", (gdouble) 100,
+ "y2", (gdouble) 100,
+ "fill_color", "white",
+ NULL);
+
+ etfc->item = gnome_canvas_item_new (
+ gnome_canvas_root (etfc->canvas),
+ e_table_field_chooser_item_get_type (),
+ "width", (gdouble) 100,
+ "full_header", etfc->full_header,
+ "header", etfc->header,
+ "dnd_code", etfc->dnd_code,
+ NULL);
+
+ g_signal_connect (
+ etfc->canvas, "reflow",
+ G_CALLBACK (resize), etfc);
+
+ gnome_canvas_set_scroll_region (
+ GNOME_CANVAS (etfc->canvas),
+ 0, 0, 100, 100);
+
+ /* Connect the signals */
+ g_signal_connect (
+ etfc->canvas, "size_allocate",
+ G_CALLBACK (allocate_callback), etfc);
+
+ gtk_widget_show_all (widget);
+}
+
+static void
+e_table_field_chooser_dispose (GObject *object)
+{
+ ETableFieldChooser *etfc = E_TABLE_FIELD_CHOOSER (object);
+
+ g_free (etfc->dnd_code);
+ etfc->dnd_code = NULL;
+
+ if (etfc->full_header)
+ g_object_unref (etfc->full_header);
+ etfc->full_header = NULL;
+
+ if (etfc->header)
+ g_object_unref (etfc->header);
+ etfc->header = NULL;
+
+ /* Chain up to parent's dispose() method. */
+ G_OBJECT_CLASS (e_table_field_chooser_parent_class)->dispose (object);
+}
+
+GtkWidget *
+e_table_field_chooser_new (void)
+{
+ return g_object_new (E_TYPE_TABLE_FIELD_CHOOSER, NULL);
+}
+
+static void
+e_table_field_chooser_set_property (GObject *object,
+ guint property_id,
+ const GValue *value,
+ GParamSpec *pspec)
+{
+ ETableFieldChooser *etfc = E_TABLE_FIELD_CHOOSER (object);
+
+ switch (property_id) {
+ case PROP_DND_CODE:
+ g_free (etfc->dnd_code);
+ etfc->dnd_code = g_strdup (g_value_get_string (value));
+ if (etfc->item)
+ g_object_set (
+ etfc->item,
+ "dnd_code", etfc->dnd_code,
+ NULL);
+ break;
+ case PROP_FULL_HEADER:
+ if (etfc->full_header)
+ g_object_unref (etfc->full_header);
+ if (g_value_get_object (value))
+ etfc->full_header = E_TABLE_HEADER (g_value_get_object (value));
+ else
+ etfc->full_header = NULL;
+ if (etfc->full_header)
+ g_object_ref (etfc->full_header);
+ if (etfc->item)
+ g_object_set (
+ etfc->item,
+ "full_header", etfc->full_header,
+ NULL);
+ break;
+ case PROP_HEADER:
+ if (etfc->header)
+ g_object_unref (etfc->header);
+ if (g_value_get_object (value))
+ etfc->header = E_TABLE_HEADER (g_value_get_object (value));
+ else
+ etfc->header = NULL;
+ if (etfc->header)
+ g_object_ref (etfc->header);
+ if (etfc->item)
+ g_object_set (
+ etfc->item,
+ "header", etfc->header,
+ NULL);
+ break;
+ default:
+ break;
+ }
+}
+
+static void
+e_table_field_chooser_get_property (GObject *object,
+ guint property_id,
+ GValue *value,
+ GParamSpec *pspec)
+{
+ ETableFieldChooser *etfc = E_TABLE_FIELD_CHOOSER (object);
+
+ switch (property_id) {
+ case PROP_DND_CODE:
+ g_value_set_string (value, etfc->dnd_code);
+ break;
+ case PROP_FULL_HEADER:
+ g_value_set_object (value, etfc->full_header);
+ break;
+ case PROP_HEADER:
+ g_value_set_object (value, etfc->header);
+ break;
+ default:
+ G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);
+ break;
+ }
+}
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