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authorChristopher James Lahey <clahey@helixcode.com>2000-03-12 15:59:42 +0800
committerChris Lahey <clahey@src.gnome.org>2000-03-12 15:59:42 +0800
commit1f7ba945b16cd5f8c01641dd864a9671d791a651 (patch)
treeb673bc2f8f4b07554ca42cbd714ccc98efd14f9b /widgets/table/e-table-text-model.c
parentf669ff481f57cf5b609ea2e8fe30cfb8dece8587 (diff)
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Rearranged SUBDIRS for dependencies.
2000-03-12 Christopher James Lahey <clahey@helixcode.com> * widgets/Makefile.am: Rearranged SUBDIRS for dependencies. * widgets/e-text/e-text-model.c, widgets/e-text-model.h: New object which stores a piece of text data. All methods are virtual. * widgets/e-text/e-text.c, widgets/e-text/e-text.h: Modified this to use an ETextModel for its data. * widgets/e-text/Makefile.am: Added e-text-model.c and e-text-model.h. * widgets/e-minicard/test-minicard-label.c: Made this work again. * widgets/e-minicard/e-minicard.c, widgets/e-minicard/e-minicard.h: Made this use an ETableModel to get its data. * widgets/e-minicard/e-minicard-label.c, widgets/e-minicard/e-minicard-label.h: Added the ability to set the text model used for the contained text widget. * widgets/e-minicard/Makefile.am: Added e-table since e-minicard is now dependent on an e-table-model for its data. * e-util/e-canvas.c, e-util/e-canvas.h: Fixed some bugs here to speed up reflow and to make it fail less often. * addressbook/demo, addressbook/demo/.cvsignore, addressbook/demo/Makefile.am, addressbook/demo/demo.c, addressbook/demo/spec: A new program to test ETable and EMinicard integration. * configure.in: Added addressbook/demo/Makefile. * addressbook/Makefile.am: Added the demo/ subdirectory. in widgets/e-table/: 2000-03-12 Christopher James Lahey <clahey@helixcode.com> * e-table.c: Made this use an ECanvas. Fixed a bug where e_table_new_from_spec_file was calling e_table_construct instead of e_table_construct_from_spec_file. * e-table-item.c, e-table-header-item.c, e-table-column-item.c: Switched these to use GTK_TYPE_OBJECT and GTK_VALUE_OBJECT instead of GTK_TYPE_POINTER and GTK_TYPE_OBJECT. * e-cell-text.c: Got rid of a crashing bug. * e-table-text-model.c, e-table-text-model.h: A new object which is an e-text-model which uses an e-table-model for its data. * Makefile.am: Added e-table-text-model.c and e-table-text-model.h. * .cvsignore: Added table-example-1 and table-example-2. svn path=/trunk/; revision=2101
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+/* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*- */
+/* ETableTextModel - Text item model for evolution.
+ * Copyright (C) 2000 Helix Code, Inc.
+ *
+ * Author: Chris Lahey <clahey@umich.edu>
+ *
+ * A majority of code taken from:
+ *
+ * Text item type for GnomeCanvas widget
+ *
+ * GnomeCanvas is basically a port of the Tk toolkit's most excellent
+ * canvas widget. Tk is copyrighted by the Regents of the University
+ * of California, Sun Microsystems, and other parties.
+ *
+ * Copyright (C) 1998 The Free Software Foundation
+ *
+ * Author: Federico Mena <federico@nuclecu.unam.mx> */
+
+#include <config.h>
+#include <ctype.h>
+#include "e-table-text-model.h"
+
+static void e_table_text_model_class_init (ETableTextModelClass *class);
+static void e_table_text_model_init (ETableTextModel *model);
+static void e_table_text_model_destroy (GtkObject *object);
+
+static gchar *e_table_text_model_get_text(ETextModel *model);
+static void e_table_text_model_set_text(ETextModel *model, gchar *text);
+static void e_table_text_model_insert(ETextModel *model, gint postion, gchar *text);
+static void e_table_text_model_insert_length(ETextModel *model, gint postion, gchar *text, gint length);
+static void e_table_text_model_delete(ETextModel *model, gint postion, gint length);
+
+static GtkObject *parent_class;
+
+
+
+/**
+ * e_table_text_model_get_type:
+ * @void:
+ *
+ * Registers the &ETableTextModel class if necessary, and returns the type ID
+ * associated to it.
+ *
+ * Return value: The type ID of the &ETableTextModel class.
+ **/
+GtkType
+e_table_text_model_get_type (void)
+{
+ static GtkType model_type = 0;
+
+ if (!model_type) {
+ GtkTypeInfo model_info = {
+ "ETableTextModel",
+ sizeof (ETableTextModel),
+ sizeof (ETableTextModelClass),
+ (GtkClassInitFunc) e_table_text_model_class_init,
+ (GtkObjectInitFunc) e_table_text_model_init,
+ NULL, /* reserved_1 */
+ NULL, /* reserved_2 */
+ (GtkClassInitFunc) NULL
+ };
+
+ model_type = gtk_type_unique (e_text_model_get_type (), &model_info);
+ }
+
+ return model_type;
+}
+
+/* Class initialization function for the text item */
+static void
+e_table_text_model_class_init (ETableTextModelClass *klass)
+{
+ GtkObjectClass *object_class;
+ ETextModelClass *model_class;
+
+ object_class = (GtkObjectClass *) klass;
+ model_class = (ETextModelClass *) klass;
+
+ parent_class = gtk_type_class (e_text_model_get_type ());
+
+ model_class->get_text = e_table_text_model_get_text;
+ model_class->set_text = e_table_text_model_set_text;
+ model_class->insert = e_table_text_model_insert;
+ model_class->insert_length = e_table_text_model_insert_length;
+ model_class->delete = e_table_text_model_delete;
+
+ object_class->destroy = e_table_text_model_destroy;
+}
+
+/* Object initialization function for the text item */
+static void
+e_table_text_model_init (ETableTextModel *model)
+{
+ model->model = NULL;
+ model->row = 0;
+ model->model_col = 0;
+ model->cell_changed_signal_id = 0;
+ model->row_changed_signal_id = 0;
+}
+
+/* Destroy handler for the text item */
+static void
+e_table_text_model_destroy (GtkObject *object)
+{
+ ETableTextModel *model;
+
+ g_return_if_fail (object != NULL);
+ g_return_if_fail (E_IS_TEXT_MODEL (object));
+
+ model = E_TABLE_TEXT_MODEL (object);
+
+ if (model->cell_changed_signal_id)
+ gtk_signal_disconnect(GTK_OBJECT(model->model),
+ model->cell_changed_signal_id);
+
+ if (model->row_changed_signal_id)
+ gtk_signal_disconnect(GTK_OBJECT(model->model),
+ model->row_changed_signal_id);
+
+ if (model->model)
+ gtk_object_unref(GTK_OBJECT(model->model));
+
+ if (GTK_OBJECT_CLASS (parent_class)->destroy)
+ (* GTK_OBJECT_CLASS (parent_class)->destroy) (object);
+}
+static gchar *
+e_table_text_model_get_text(ETextModel *text_model)
+{
+ ETableTextModel *model = E_TABLE_TEXT_MODEL(text_model);
+ if ( model->model )
+ return (gchar *)e_table_model_value_at(model->model, model->model_col, model->row);
+ else
+ return "";
+}
+
+static void
+e_table_text_model_set_text(ETextModel *text_model, gchar *text)
+{
+ ETableTextModel *model = E_TABLE_TEXT_MODEL(text_model);
+ if ( model->model )
+ e_table_model_set_value_at(model->model, model->model_col, model->row, (void *) text);
+}
+
+static void
+e_table_text_model_insert(ETextModel *text_model, gint position, gchar *text)
+{
+ ETableTextModel *model = E_TABLE_TEXT_MODEL(text_model);
+ if ( model->model ) {
+ gchar *temp = (gchar *)e_table_model_value_at(model->model, model->model_col, model->row);
+ temp = g_strdup_printf("%.*s%s%s", position, temp, text, temp + position);
+ e_table_model_set_value_at(model->model, model->model_col, model->row, temp);
+ g_free(temp);
+ }
+}
+
+static void
+e_table_text_model_insert_length(ETextModel *text_model, gint position, gchar *text, gint length)
+{
+ ETableTextModel *model = E_TABLE_TEXT_MODEL(text_model);
+ if ( model->model ) {
+ gchar *temp = (gchar *)e_table_model_value_at(model->model, model->model_col, model->row);
+ temp = g_strdup_printf("%.*s%.*s%s", position, temp, length, text, temp + position);
+ e_table_model_set_value_at(model->model, model->model_col, model->row, temp);
+ g_free(temp);
+ }
+}
+
+static void
+e_table_text_model_delete(ETextModel *text_model, gint position, gint length)
+{
+ ETableTextModel *model = E_TABLE_TEXT_MODEL(text_model);
+ if ( model->model ) {
+ gchar *temp = (gchar *)e_table_model_value_at(model->model, model->model_col, model->row);
+ temp = g_strdup_printf("%.*s%s", position, temp, temp + position + length);
+ e_table_model_set_value_at(model->model, model->model_col, model->row, temp);
+ g_free(temp);
+ }
+}
+
+static void
+cell_changed(ETableModel *table_model, int model_col, int row, ETableTextModel *model)
+{
+ if (model->model_col == model_col &&
+ model->row == row)
+ e_text_model_changed(E_TEXT_MODEL(model));
+}
+
+static void
+row_changed(ETableModel *table_model, int row, ETableTextModel *model)
+{
+ if (model->row == row)
+ e_text_model_changed(E_TEXT_MODEL(model));
+}
+
+ETableTextModel *
+e_table_text_model_new(ETableModel *table_model, int row, int model_col)
+{
+ ETableTextModel *model = gtk_type_new (e_table_text_model_get_type ());
+ model->model = table_model;
+ if ( model->model ) {
+ gtk_object_ref(GTK_OBJECT(model->model));
+ model->cell_changed_signal_id =
+ gtk_signal_connect(GTK_OBJECT(model->model),
+ "model_cell_changed",
+ GTK_SIGNAL_FUNC(cell_changed),
+ model);
+ model->row_changed_signal_id =
+ gtk_signal_connect(GTK_OBJECT(model->model),
+ "model_row_changed",
+ GTK_SIGNAL_FUNC(row_changed),
+ model);
+ }
+ model->row = row;
+ model->model_col = model_col;
+ return model;
+}
+