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Diffstat (limited to 'widgets/table/e-table-example-1.c')
| -rw-r--r-- | widgets/table/e-table-example-1.c | 305 |
1 files changed, 0 insertions, 305 deletions
diff --git a/widgets/table/e-table-example-1.c b/widgets/table/e-table-example-1.c deleted file mode 100644 index a45868bf72..0000000000 --- a/widgets/table/e-table-example-1.c +++ /dev/null @@ -1,305 +0,0 @@ -/* - * 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) - * - */ - -#include <stdio.h> -#include <string.h> -#include <gdk-pixbuf/gdk-pixbuf.h> - -#include "gal/e-util/e-cursors.h" -#include "e-table-simple.h" -#include "e-table-header.h" -#include "e-table-header-item.h" -#include "e-table-item.h" -#include "e-cell-text.h" -#include "e-cell-checkbox.h" -#include "e-table.h" - -#include "table-test.h" - -/* - * One way in which we make it simpler to build an ETableModel is through - * the ETableSimple class. Instead of creating your own ETableModel - * class, you simply create a new object of the ETableSimple class. You - * give it a bunch of functions that act as callbacks. - * - * You also get to pass a gpointer to ETableSimple and it gets passed to - * your callbacks. This would be for having multiple models of the same - * type. This is just an example though, so we statically define all the - * data and ignore the gpointer data parameter. - * - * In our example we will be creating a table model with 6 columns and 10 - * rows. This corresponds to having 6 different types of information and - * 10 different sets of data in our database. - * - * The headers will be hard coded, as will be the example data. - * - */ - -/* - * There are two different meanings to the word "column". The first is - * the model column. A model column corresponds to a specific type of - * data. This is very much like the usage in a database table where a - * column is a field in the database. - * - * The second type of column is a view column. A view column - * corresponds to a visually displayed column. Each view column - * corresponds to a specific model column, though a model column may - * have any number of view columns associated with it, from zero to - * greater than one. - * - * Also, a view column doesn't necessarily depend on only one model - * column. In some cases, the view column renderer can be given a - * reference to another column to get extra information about its - * display. -*/ - -#define ROWS 10 -#define COLS 4 - -#define IMPORTANCE_COLUMN 4 -#define COLOR_COLUMN 5 - -/* - * Here we define the initial layout of the table. This is an xml - * format that allows you to change the initial ordering of the - * columns or to do sorting or grouping initially. This specification - * shows all 5 columns, but moves the importance column nearer to the - * front. It also sorts by the "Full Name" column (ascending.) - * Sorting and grouping take the model column as their arguments - * (sorting is specified by the "column" argument to the leaf elemnt. - */ - -#define INITIAL_SPEC "<ETableSpecification> \ - <columns-shown> \ - <column> 0 </column> \ - <column> 4 </column> \ - <column> 1 </column> \ - <column> 2 </column> \ - <column> 3 </column> \ - </columns-shown> \ - <grouping> <leaf column=\"1\" ascending=\"true\"/> </grouping> \ -</ETableSpecification>" - -gchar *headers [COLS] = { - "Email", - "Full Name", - "Address", - "Phone" -}; - -/* - * Virtual Column list: - * 0 Email - * 1 Full Name - * 2 Address - * 3 Phone - */ - -gchar *table_data [ROWS] [COLS]; - -/* - * ETableSimple callbacks - * These are the callbacks that define the behavior of our custom model. - */ - -/* - * Since our model is a constant size, we can just return its size in - * the column and row count fields. - */ - -/* This function returns the number of columns in our ETableModel. */ -static gint -my_col_count (ETableModel *etc, gpointer data) -{ - return COLS; -} - -/* This function returns the number of rows in our ETableModel. */ -static gint -my_row_count (ETableModel *etc, gpointer data) -{ - return ROWS; -} - -/* This function returns the value at a particular point in our ETableModel. */ -static gpointer -my_value_at (ETableModel *etc, gint col, gint row, gpointer data) -{ - return (gpointer) table_data [row] [col]; -} - -/* This function sets the value at a particular point in our ETableModel. */ -static void -my_set_value_at (ETableModel *etc, gint col, gint row, gconstpointer val, gpointer data) -{ - g_free (table_data [row] [col]); - table_data [row] [col] = g_strdup (val); -} - -/* This function returns whether a particular cell is editable. */ -static gboolean -my_is_cell_editable (ETableModel *etc, gint col, gint row, gpointer data) -{ - return TRUE; -} - -/* This function duplicates the value passed to it. */ -static gpointer -my_duplicate_value (ETableModel *etc, gint col, gconstpointer value, gpointer data) -{ - return g_strdup (value); -} - -/* This function frees the value passed to it. */ -static void -my_free_value (ETableModel *etc, gint col, gpointer value, gpointer data) -{ - g_free (value); -} - -/* This function creates an empty value. */ -static gpointer -my_initialize_value (ETableModel *etc, gint col, gpointer data) -{ - return g_strdup (""); -} - -/* This function reports if a value is empty. */ -static gboolean -my_value_is_empty (ETableModel *etc, gint col, gconstpointer value, gpointer data) -{ - return !(value && *(gchar *)value); -} - -/* This function reports if a value is empty. */ -static gchar * -my_value_to_string (ETableModel *etc, gint col, gconstpointer value, gpointer data) -{ - return g_strdup(value); -} - -/* We create a window containing our new table. */ -static void -create_table (void) -{ - GtkWidget *e_table, *window, *frame; - ECell *cell_left_just; - ETableHeader *e_table_header; - gint i, j; - ETableModel *e_table_model = NULL; - - /* First we fill in the simple data. */ - for (i = 0; i < ROWS; i++) { - for (j = 0; j < COLS; j++) - table_data [i] [j] = g_strdup (""); - } - /* Next we create our model. This uses the functions we defined - earlier. */ - e_table_model = e_table_simple_new ( - my_col_count, my_row_count, my_value_at, - my_set_value_at, my_is_cell_editable, - my_duplicate_value, my_free_value, - my_initialize_value, my_value_is_empty, - my_value_to_string, - NULL); - /* - * Next we create a header. The ETableHeader is used in two - * different way. The first is the full_header. This is the - * list of possible columns in the view. The second use is - * completely internal. Many of the ETableHeader functions are - * for that purpose. The only functions we really need are - * e_table_header_new and e_table_header_add_col. - * - * First we create the header. - */ - e_table_header = e_table_header_new (); - - /* - * Next we have to build renderers for all of the columns. - * Since all our columns are text columns, we can simply use - * the same renderer over and over again. If we had different - * types of columns, we could use a different renderer for - * each column. - */ - cell_left_just = e_cell_text_new (e_table_model, NULL, GTK_JUSTIFY_LEFT); - - /* - * Next we create a column object for each view column and add - * them to the header. We don't create a column object for - * the importance column since it will not be shown. - */ - for (i = 0; i < COLS; i++) { - /* Create the column. */ - ETableCol *ecol = e_table_col_new ( - i, headers [i], - 1.0, 20, cell_left_just, - g_str_compare, TRUE); - /* Add it to the header. */ - e_table_header_add_column (e_table_header, ecol, i); - } - - /* - * Here we create a window for our new table. This window - * will get shown and the person will be able to test their - * item. - */ - window = gtk_window_new (GTK_WINDOW_TOPLEVEL); - - /* This frame is simply to get a bevel around our table. */ - frame = gtk_frame_new (NULL); - - /* - * Here we create the table. We give it the three pieces of - * the table we've created, the header, the model, and the - * initial layout. It does the rest. - */ - e_table = e_table_new (e_table_header, e_table_model, INITIAL_SPEC); - - /* Build the gtk widget hierarchy. */ - gtk_container_add (GTK_CONTAINER (frame), e_table); - gtk_container_add (GTK_CONTAINER (window), frame); - - /* Size the initial window. */ - gtk_widget_set_size_request (window, 200, 200); - - /* Show it all. */ - gtk_widget_show_all (window); -} - -/* This is the main function which just initializes gnome and call our create_table function */ - -gint -main (gint argc, gchar *argv []) -{ - gnome_init ("TableExample", "TableExample", argc, argv); - e_cursors_init (); - - gtk_widget_push_colormap (gdk_rgb_get_colormap ()); - - create_table (); - - gtk_main (); - - e_cursors_shutdown (); - return 0; -} - |