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Diffstat (limited to 'widgets/table/e-table-example-2.c')
| -rw-r--r-- | widgets/table/e-table-example-2.c | 330 |
1 files changed, 0 insertions, 330 deletions
diff --git a/widgets/table/e-table-example-2.c b/widgets/table/e-table-example-2.c deleted file mode 100644 index e9d8d9ea80..0000000000 --- a/widgets/table/e-table-example-2.c +++ /dev/null @@ -1,330 +0,0 @@ -/* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*- */ -/* This code is GPL. */ -#include <stdio.h> -#include <string.h> -#include <gnome.h> -#include "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 <gdk-pixbuf/gdk-pixbuf.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 void * 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 void *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 VIEW_COLS 4 -#define PHYSICAL_COLS 5 -#define VIRTUAL_COLS 6 - -#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=\"1\"/> </grouping> \ -</ETableSpecification>" - -char *headers[VIEW_COLS] = { - "Email", - "Full Name", - "Address", - "Phone" -}; - -/* Virtual Column list: - 0 Full Name - 1 Email - 2 Address - 3 Phone - 4 Importance field. This field will be a boolean. It also has a - special header, so doesn't appear in the headers list. - 5 Color field. This column is also not displayed. It is also - not stored in the database. It's calculated based on the - Importance field. -*/ - -char *table_data[ROWS][VIEW_COLS]; -gboolean importance_data[ROWS]; - -/* - * 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. */ - -static GdkColor *color1; -static GdkColor *color2; - -static int -my_col_count (ETableModel *etc, void *data) -{ - return VIRTUAL_COLS; -} - -static int -my_row_count (ETableModel *etc, void *data) -{ - return ROWS; -} - -static void * -my_value_at (ETableModel *etc, int col, int row, void *data) -{ - if (col == COLOR_COLUMN){ - if (importance_data[row]){ - return color1; - } else { - return color2; - } - } else if (col == IMPORTANCE_COLUMN){ - return (gpointer) importance_data[row]; - } else { - return (void *) table_data [row][col]; - } -} - -static void -my_set_value_at (ETableModel *etc, int col, int row, const void *val, void *data) -{ - if (col == COLOR_COLUMN){ - } else if (col == IMPORTANCE_COLUMN){ - importance_data[row] = (gboolean) val; - } else { - g_free (table_data [row][col]); - table_data [row][col] = g_strdup (val); - } -} - -static gboolean -my_is_cell_editable (ETableModel *etc, int col, int row, void *data) -{ - if (col == IMPORTANCE_COLUMN) - return FALSE; - else - return TRUE; -} - -static void * -my_duplicate_value (ETableModel *etc, int col, const void *value, void *data) -{ - if (col == COLOR_COLUMN){ - return (void *) value; - } else if (col == IMPORTANCE_COLUMN){ - return (void *) value; - } else { - return g_strdup (value); - } -} - -static void -my_free_value (ETableModel *etc, int col, void *value, void *data) -{ - if (col == COLOR_COLUMN){ - } else if (col == IMPORTANCE_COLUMN){ - } else { - g_free (value); - } -} - -static void * -my_initialize_value (ETableModel *etc, int col, void *data) -{ - if (col == COLOR_COLUMN){ - return NULL; - } else if (col == IMPORTANCE_COLUMN){ - return NULL; - } else { - return g_strdup (""); - } -} - -static gboolean -my_value_is_empty (ETableModel *etc, int col, const void *value, void *data) -{ - if (col == COLOR_COLUMN){ - return value == NULL; - } else if (col == IMPORTANCE_COLUMN){ - return value == NULL; - } else { - return !(value && *(char *)value); - } -} - -static char * -my_value_to_string (ETableModel *etc, int col, const void *value, void *data) -{ - if (col == COLOR_COLUMN){ - return g_strdup_printf("%d", (int) value); - } else if (col == IMPORTANCE_COLUMN){ - return g_strdup_printf("%d", (int) value); - } else { - return g_strdup(value); - } -} - -/* We create a window containing our new table. */ -static void -create_table () -{ - GtkWidget *e_table, *window, *frame; - ECell *cell_left_just; - ECell *cell_checkbox; - ETableHeader *e_table_header; - int i, j; - ETableModel *e_table_model = NULL; - ETableCol *ecol; - GdkPixbuf *pixbuf; - - /* First we fill in the simple data. */ - for (i = 0; i < ROWS; i++){ - for (j = 0; j < VIEW_COLS; j++){ - table_data[i][j] = g_strdup (""); - } - importance_data[i] = FALSE; - } - /* 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 < VIEW_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); - } - - /* Next we add a special column for the check box. */ - - cell_checkbox = e_cell_checkbox_new (); - pixbuf = gdk_pixbuf_new_from_file ("clip.png"); - ecol = e_table_col_new_with_pixbuf (i, pixbuf, 0.0, 18, cell_checkbox, g_int_compare, TRUE); - e_table_header_add_column (e_table_header, ecol, i); - - /* - * Setup GUI - */ - /* 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_usize (window, 200, 200); - /* Show it all. */ - gtk_widget_show_all (window); -} - - - -int -main (int argc, char *argv []) -{ - gnome_init ("TableExample", "TableExample", argc, argv); - e_cursors_init (); - - gtk_widget_push_visual (gdk_rgb_get_visual ()); - gtk_widget_push_colormap (gdk_rgb_get_cmap ()); - - create_table (); - - gtk_main (); - - e_cursors_shutdown (); - return 0; -} |