diff options
Diffstat (limited to 'e-util/e-table-field-chooser.c')
-rw-r--r-- | e-util/e-table-field-chooser.c | 335 |
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 new file mode 100644 index 0000000000..c402edb7fe --- /dev/null +++ b/e-util/e-table-field-chooser.c @@ -0,0 +1,335 @@ +/* + * 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; + } +} |