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Diffstat (limited to 'widgets/e-table/e-tree-example-1.c')
| -rw-r--r-- | widgets/e-table/e-tree-example-1.c | 403 |
1 files changed, 0 insertions, 403 deletions
diff --git a/widgets/e-table/e-tree-example-1.c b/widgets/e-table/e-tree-example-1.c deleted file mode 100644 index 308f462f64..0000000000 --- a/widgets/e-table/e-tree-example-1.c +++ /dev/null @@ -1,403 +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-header.h" -#include "e-table-header-item.h" -#include "e-table-item.h" -#include "e-cell-text.h" -#include "e-cell-tree.h" -#include "e-cell-checkbox.h" -#include "e-table.h" -#include "e-tree-simple.h" -#include "libgnomeprint/gnome-print.h" -#include "libgnomeprint/gnome-print-preview.h" - -#include <gdk-pixbuf/gdk-pixbuf.h> - -#include "tree-expanded.xpm" -#include "tree-unexpanded.xpm" - -GdkPixbuf *tree_expanded_pixbuf; -GdkPixbuf *tree_unexpanded_pixbuf; - -#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></grouping> \ -</ETableSpecification>" - -/* - * Virtual Column list: - * 0 Subject - * 1 Full Name - * 2 Email - * 3 Date - */ -char *headers [COLS] = { - "Subject", - "Full Name", - "Email", - "Date" -}; - -GtkWidget *e_table; - -/* - * ETreeSimple callbacks - * These are the callbacks that define the behavior of our custom model. - */ - -/* This function returns the value at a particular point in our ETreeModel. */ -static void * -my_value_at (ETreeModel *etm, ETreePath *path, int col, void *model_data) -{ - switch (col) { - case 0: return e_tree_model_node_get_data (etm, path); - case 1: return "Chris Toshok"; - case 2: return "toshok@helixcode.com"; - case 3: return "Jun 07 2000"; - default: return NULL; - } -} - -static GdkPixbuf * -my_icon_at (ETreeModel *etm, ETreePath *path, void *model_data) -{ - if (e_tree_model_node_is_expanded (etm, path)) - return tree_expanded_pixbuf; - else - return tree_unexpanded_pixbuf; -} - -/* This function sets the value at a particular point in our ETreeModel. */ -static void -my_set_value_at (ETreeModel *etm, ETreePath *path, int col, const void *val, void *model_data) -{ - if (col == 0) { - char *str = e_tree_model_node_get_data (etm, path); - g_free (str); - e_tree_model_node_set_data (etm, path, g_strdup(val)); - } -} - -/* This function returns whether a particular cell is editable. */ -static gboolean -my_is_editable (ETreeModel *etm, ETreePath *path, int col, void *model_data) -{ - if (col == 0) - return TRUE; - else - return FALSE; -} - -static void -toggle_root (GtkButton *button, gpointer data) -{ - ETreeModel *e_tree_model = (ETreeModel*)data; - e_tree_model_root_node_set_visible (e_tree_model, !e_tree_model_root_node_is_visible (e_tree_model)); -} - -static void -add_sibling (GtkButton *button, gpointer data) -{ - ETreeModel *e_tree_model = E_TREE_MODEL (data); - int selected_row; - ETreePath *selected_node; - ETreePath *parent_node; - - selected_row = e_table_get_cursor_row (E_TABLE (e_table)); - if (selected_row == -1) - return; - - selected_node = e_tree_model_node_at_row (e_tree_model, selected_row); - g_assert (selected_node); - - parent_node = e_tree_model_node_get_parent (e_tree_model, selected_node); - - e_tree_model_node_insert_before (e_tree_model, parent_node, - selected_node, - g_strdup("User added sibling")); - -} - -static void -add_child (GtkButton *button, gpointer data) -{ - ETreeModel *e_tree_model = E_TREE_MODEL (data); - int selected_row; - ETreePath *selected_node; - - selected_row = e_table_get_cursor_row (E_TABLE (e_table)); - if (selected_row == -1) - return; - - selected_node = e_tree_model_node_at_row (e_tree_model, selected_row); - g_assert (selected_node); - - e_tree_model_node_insert (e_tree_model, selected_node, - 0, - g_strdup("User added child")); -} - -static void -remove_node (GtkButton *button, gpointer data) -{ - ETreeModel *e_tree_model = E_TREE_MODEL (data); - int selected_row; - char *str; - ETreePath *selected_node; - - selected_row = e_table_get_cursor_row (E_TABLE (e_table)); - if (selected_row == -1) - return; - - selected_node = e_tree_model_node_at_row (e_tree_model, selected_row); - g_assert (selected_node); - - if (e_tree_model_node_get_children (e_tree_model, selected_node, NULL) > 0) - return; - - str = (char*)e_tree_model_node_remove (e_tree_model, selected_node); - printf ("removed node %s\n", str); - g_free (str); -} - -static void -expand_all (GtkButton *button, gpointer data) -{ - ETreeModel *e_tree_model = E_TREE_MODEL (data); - int selected_row; - ETreePath *selected_node; - - selected_row = e_table_get_cursor_row (E_TABLE (e_table)); - if (selected_row == -1) - return; - - selected_node = e_tree_model_node_at_row (e_tree_model, selected_row); - g_assert (selected_node); - - e_tree_model_node_set_expanded_recurse (e_tree_model, selected_node, TRUE); -} - -static void -collapse_all (GtkButton *button, gpointer data) -{ - ETreeModel *e_tree_model = E_TREE_MODEL (data); - int selected_row; - ETreePath *selected_node; - - selected_row = e_table_get_cursor_row (E_TABLE (e_table)); - if (selected_row == -1) - return; - - selected_node = e_tree_model_node_at_row (e_tree_model, selected_row); - g_assert (selected_node); - - e_tree_model_node_set_expanded_recurse (e_tree_model, selected_node, FALSE); -} - -static void -print_tree (GtkButton *button, gpointer data) -{ - EPrintable *printable = e_table_get_printable (E_TABLE (e_table)); - GnomePrintContext *gpc; - - gpc = gnome_print_context_new (gnome_printer_new_generic_ps ("tree-out.ps")); - - e_printable_print_page (printable, gpc, 8*72, 10*72, FALSE); - - gnome_print_context_close (gpc); -} - -/* We create a window containing our new tree. */ -static void -create_tree (void) -{ - GtkWidget *window, *frame, *button, *vbox; - ECell *cell_left_just; - ECell *cell_tree; - ETableHeader *e_table_header; - int i, j; - ETreeModel *e_tree_model = NULL; - ETreePath *root_node; - - /* here we create our model. This uses the functions we defined - earlier. */ - e_tree_model = e_tree_simple_new (my_icon_at, - my_value_at, - my_set_value_at, - my_is_editable, - NULL); - - /* create a root node with 5 children */ - root_node = e_tree_model_node_insert (e_tree_model, NULL, - 0, - g_strdup("Root Node")); - - for (i = 0; i < 5; i++){ - ETreePath *n = e_tree_model_node_insert (e_tree_model, - root_node, 0, - g_strdup("First level of children")); - for (j = 0; j < 5; j ++) { - e_tree_model_node_insert (e_tree_model, - n, 0, - g_strdup("Second level of children")); - } - } - - /* - * 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(e_tree_model), NULL, GTK_JUSTIFY_LEFT); - - /* - * This renderer is used for the tree column (the leftmost one), and - * has as its subcell renderer the text renderer. this means that - * text is displayed to the right of the tree pipes. - */ - cell_tree = e_cell_tree_new (E_TABLE_MODEL(e_tree_model), - tree_expanded_pixbuf, tree_unexpanded_pixbuf, - TRUE, cell_left_just); - - /* - * 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], - 80, 20, - i == 0 ? cell_tree - : 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. */ - vbox = gtk_vbox_new (FALSE, 0); - 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(e_tree_model), INITIAL_SPEC); - - if (!e_table) printf ("BAH!"); - - /* Build the gtk widget hierarchy. */ - gtk_container_add (GTK_CONTAINER (frame), e_table); - gtk_box_pack_start (GTK_BOX (vbox), frame, TRUE, TRUE, 0); - - button = gtk_button_new_with_label ("Toggle Root Node"); - gtk_signal_connect (GTK_OBJECT (button), "clicked", toggle_root, e_tree_model); - gtk_box_pack_start (GTK_BOX (vbox), button, FALSE, FALSE, 0); - - button = gtk_button_new_with_label ("Add Sibling"); - gtk_signal_connect (GTK_OBJECT (button), "clicked", add_sibling, e_tree_model); - gtk_box_pack_start (GTK_BOX (vbox), button, FALSE, FALSE, 0); - - button = gtk_button_new_with_label ("Add Child"); - gtk_signal_connect (GTK_OBJECT (button), "clicked", add_child, e_tree_model); - gtk_box_pack_start (GTK_BOX (vbox), button, FALSE, FALSE, 0); - - button = gtk_button_new_with_label ("Remove Node"); - gtk_signal_connect (GTK_OBJECT (button), "clicked", remove_node, e_tree_model); - gtk_box_pack_start (GTK_BOX (vbox), button, FALSE, FALSE, 0); - - button = gtk_button_new_with_label ("Expand All Below"); - gtk_signal_connect (GTK_OBJECT (button), "clicked", expand_all, e_tree_model); - gtk_box_pack_start (GTK_BOX (vbox), button, FALSE, FALSE, 0); - - button = gtk_button_new_with_label ("Collapse All Below"); - gtk_signal_connect (GTK_OBJECT (button), "clicked", collapse_all, e_tree_model); - gtk_box_pack_start (GTK_BOX (vbox), button, FALSE, FALSE, 0); - - button = gtk_button_new_with_label ("Print Tree"); - gtk_signal_connect (GTK_OBJECT (button), "clicked", print_tree, e_tree_model); - gtk_box_pack_end (GTK_BOX (vbox), button, FALSE, FALSE, 0); - - gtk_container_add (GTK_CONTAINER (window), vbox); - - /* Size the initial window. */ - gtk_widget_set_usize (window, 200, 200); - - /* Show it all. */ - gtk_widget_show_all (window); -} - -/* This is the main function which just initializes gnome and call our create_tree function */ - -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 our pixbuf for expanding/unexpanding - */ - tree_expanded_pixbuf = gdk_pixbuf_new_from_xpm_data((const char**)tree_expanded_xpm); - tree_unexpanded_pixbuf = gdk_pixbuf_new_from_xpm_data((const char**)tree_unexpanded_xpm); - - create_tree (); - - gtk_main (); - - e_cursors_shutdown (); - return 0; -} - |