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Diffstat (limited to 'widgets/table/e-tree-example-2.c')
| -rw-r--r-- | widgets/table/e-tree-example-2.c | 727 |
1 files changed, 0 insertions, 727 deletions
diff --git a/widgets/table/e-tree-example-2.c b/widgets/table/e-tree-example-2.c deleted file mode 100644 index 6324333c19..0000000000 --- a/widgets/table/e-tree-example-2.c +++ /dev/null @@ -1,727 +0,0 @@ -/* -*- Mode: C; indent-tabs-mode: t; c-basic-offset: 8; tab-width: 8 -*- */ -/* e-tree-example-2.c - Test program for directory reading in the GNOME - Virtual File System. - - Copyright (C) 1999 Free Software Foundation - - The Gnome Library is free software; you can redistribute it and/or - modify it under the terms of the GNU Library General Public License as - published by the Free Software Foundation; either version 2 of the - License, or (at your option) any later version. - - The Gnome Library 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 - Library General Public License for more details. - - You should have received a copy of the GNU Library General Public - License along with the Gnome Library; see the file COPYING.LIB. If not, - write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330, - Boston, MA 02111-1307, USA. - - Author: Ettore Perazzoli <ettore@comm2000.it> */ - -#ifdef HAVE_CONFIG_H -#include <config.h> -#endif - -#include <stdio.h> -#include <gnome.h> -#include <libgnomevfs/gnome-vfs.h> -#include <libgnomevfs/gnome-vfs-mime-handlers.h> -#include "e-hpaned.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-scrolled.h" -#include "e-tree-simple.h" -#include <gdk-pixbuf/gdk-pixbuf.h> - -#include "art/tree-expanded.xpm" -#include "art/tree-unexpanded.xpm" - -GdkPixbuf *tree_expanded_pixbuf; -GdkPixbuf *tree_unexpanded_pixbuf; - -#define MINI_ICON_SIZE 16 - -#define RIGHT_COLS 4 -#define LEFT_COLS 4 - -#define RIGHT_E_TABLE_SPEC \ -"<ETableSpecification> \ - <columns-shown> \ - <column> 0 </column> \ - <column> 1 </column> \ - <column> 2 </column> \ - <column> 3 </column> \ - </columns-shown> \ - <grouping></grouping> \ -</ETableSpecification>" - -#define LEFT_E_TABLE_SPEC \ -"<ETableSpecification no-header=\"1\"> \ - <columns-shown> \ - <column> 0 </column> \ - </columns-shown> \ - <grouping></grouping> \ -</ETableSpecification>" - -char *left_headers [LEFT_COLS] = { - "Folder" -}; - -char *right_headers [RIGHT_COLS] = { - "Name", - "Size", - "Type", - "Mime Type" -}; - - - -GnomeVFSDirectoryFilter *left_filter; -GnomeVFSDirectoryFilter *right_filter; -GHashTable *mime_type_to_pixbuf; -GnomeVFSDirectoryList *right_list = NULL; -ETreePath *right_root; -ETreeModel *right_model = NULL; -ETreeModel *left_model = NULL; - -typedef struct { - char *node_uri; - GnomeVFSFileInfo *info; - - /* next two used only if the node is a directory */ - /* used if the node is expanded */ - GnomeVFSDirectoryList *list; - /* used if the node is collapsed */ - ETreePath *placeholder; -} VFSInfo; - -/* - * ETreeSimple callbacks - * These are the callbacks that define the behavior of our custom model. - */ - -static gchar * -type_to_string (GnomeVFSFileType type) -{ - switch (type) { - case GNOME_VFS_FILE_TYPE_UNKNOWN: - return "Unknown"; - case GNOME_VFS_FILE_TYPE_REGULAR: - return "Regular"; - case GNOME_VFS_FILE_TYPE_DIRECTORY: - return "Directory"; - case GNOME_VFS_FILE_TYPE_SYMBOLIC_LINK: - return "Symbolic Link"; - case GNOME_VFS_FILE_TYPE_FIFO: - return "FIFO"; - case GNOME_VFS_FILE_TYPE_SOCKET: - return "Socket"; - case GNOME_VFS_FILE_TYPE_CHARACTER_DEVICE: - return "Character device"; - case GNOME_VFS_FILE_TYPE_BLOCK_DEVICE: - return "Block device"; - default: - return "???"; - } -} - -/* This function returns the value at a particular point in our ETreeModel. */ -static void * -tree_value_at (ETreeModel *etm, ETreePath *path, int col, void *model_data) -{ - VFSInfo *vfs_info = e_tree_model_node_get_data (etm, path); - - switch (col) { - case 0: /* filename */ - if (vfs_info->info) - return vfs_info->info->name; - else - return vfs_info->node_uri; - case 1: /* size */ { - static char buf[15]; - if (vfs_info->info) { - if (vfs_info->info->type == GNOME_VFS_FILE_TYPE_DIRECTORY) - return ""; - else { - g_snprintf (buf, sizeof(buf), "%ld", (glong) vfs_info->info->size); - return buf; - } - } - else - return ""; - } - case 2: /* file type */ - if (vfs_info->info) - return type_to_string (vfs_info->info->type); - else - return ""; - case 3: /* mime type */ - if (vfs_info->info) { - const char *mime_type = gnome_vfs_file_info_get_mime_type (vfs_info->info); - if (mime_type == NULL) - mime_type = "(Unknown)"; - return (void*)mime_type; - } - else { - return ""; - } - default: return ""; - } -} - -/* This function returns the number of columns in our ETableModel. */ -static int -tree_col_count (ETableModel *etc, void *data) -{ - return RIGHT_COLS; -} - -/* This function duplicates the value passed to it. */ -static void * -tree_duplicate_value (ETableModel *etc, int col, const void *value, void *data) -{ - return g_strdup (value); -} - -/* This function frees the value passed to it. */ -static void -tree_free_value (ETableModel *etc, int col, void *value, void *data) -{ - g_free (value); -} - -/* This function creates an empty value. */ -static void * -tree_initialize_value (ETableModel *etc, int col, void *data) -{ - return g_strdup (""); -} - -/* This function reports if a value is empty. */ -static gboolean -tree_value_is_empty (ETableModel *etc, int col, const void *value, void *data) -{ - return !(value && *(char *)value); -} - -/* This function reports if a value is empty. */ -static char * -tree_value_to_string (ETableModel *etc, int col, const void *value, void *data) -{ - return g_strdup(value); -} - -static GdkPixbuf * -tree_icon_at (ETreeModel *etm, ETreePath *path, void *model_data) -{ - VFSInfo *vfs_info = e_tree_model_node_get_data (etm, path); - const char *mime_type; - GdkPixbuf *scaled_pixbuf = NULL; - - if (vfs_info->info == NULL) - return NULL; - - mime_type = gnome_vfs_file_info_get_mime_type (vfs_info->info); - if (mime_type == NULL) - mime_type = "(Unknown)"; - - scaled_pixbuf = g_hash_table_lookup (mime_type_to_pixbuf, mime_type); - if (!scaled_pixbuf) { - const char *icon_filename = gnome_vfs_mime_get_icon (mime_type); - if (icon_filename) { - GdkPixbuf *pixbuf = gdk_pixbuf_new_from_file (icon_filename); - - if (pixbuf) { - scaled_pixbuf = gdk_pixbuf_new (gdk_pixbuf_get_colorspace (pixbuf), - gdk_pixbuf_get_has_alpha (pixbuf), - gdk_pixbuf_get_bits_per_sample (pixbuf), - MINI_ICON_SIZE, MINI_ICON_SIZE); - - gdk_pixbuf_scale (pixbuf, scaled_pixbuf, - 0, 0, MINI_ICON_SIZE, MINI_ICON_SIZE, - 0.0, 0.0, - (double) MINI_ICON_SIZE / gdk_pixbuf_get_width (pixbuf), - (double) MINI_ICON_SIZE / gdk_pixbuf_get_height (pixbuf), - GDK_INTERP_HYPER); - - g_hash_table_insert (mime_type_to_pixbuf, (char*)mime_type, scaled_pixbuf); - - gdk_pixbuf_unref (pixbuf); - } - } - } - - return scaled_pixbuf; -} - -/* This function sets the value at a particular point in our ETreeModel. */ -static void -tree_set_value_at (ETreeModel *etm, ETreePath *path, int col, const void *val, void *model_data) -{ -} - -/* This function returns whether a particular cell is editable. */ -static gboolean -tree_is_editable (ETreeModel *etm, ETreePath *path, int col, void *model_data) -{ - return FALSE; -} - -static void -sort_list (GnomeVFSDirectoryList *list) -{ - GnomeVFSDirectorySortRule rules[] = { - GNOME_VFS_DIRECTORY_SORT_DIRECTORYFIRST, - GNOME_VFS_DIRECTORY_SORT_BYNAME, - GNOME_VFS_DIRECTORY_SORT_NONE - }; - - - gnome_vfs_directory_list_sort (list, FALSE, rules); -} - - - -static void -node_collapsed (ETreeModel *etm, ETreePath *path, void *data) -{ - VFSInfo *vfs_info = e_tree_model_node_get_data (etm, path); - char *name; - ETreePath **paths; - int num_children, i; - - if (vfs_info->info) - name = vfs_info->info->name; - else - name = vfs_info->node_uri; - - gnome_vfs_directory_list_destroy (vfs_info->list); - - /* remove the children of this node, and replace the placeholder */ - num_children = e_tree_model_node_get_children (etm, path, &paths); - for (i = 0; i < num_children; i ++) - e_tree_model_node_remove (etm, paths[i]); - vfs_info->placeholder = e_tree_model_node_insert (etm, path, 0, NULL); -} - -static void -node_expanded (ETreeModel *etm, ETreePath *path, gboolean *allow_expand, void *data) -{ - VFSInfo *vfs_info = e_tree_model_node_get_data (etm, path); - GnomeVFSFileInfo *info; - GnomeVFSResult result; - char *name; - - if (vfs_info->info) - name = vfs_info->info->name; - else - name = vfs_info->node_uri; - - /* Load with no filters and without requesting any metadata. */ - result = gnome_vfs_directory_list_load - (&vfs_info->list, vfs_info->node_uri, - (GNOME_VFS_FILE_INFO_GET_MIME_TYPE - | GNOME_VFS_FILE_INFO_FORCE_FAST_MIME_TYPE - | GNOME_VFS_FILE_INFO_FOLLOW_LINKS), - left_filter); - - *allow_expand = (result == GNOME_VFS_OK); - - if (!*allow_expand) { - char *buf = g_strdup_printf ("Cannot open directory %s : %s\n", - vfs_info->info->name, gnome_vfs_result_to_string (result)); - gnome_error_dialog (buf); - g_free (buf); - return; - } - - sort_list (vfs_info->list); - - /* remove the placeholder and insert all the children of this node */ - e_tree_model_node_remove (etm, vfs_info->placeholder); - - info = gnome_vfs_directory_list_first (vfs_info->list); - - if (info == NULL) { - /* no files */ - return; - } - - while (info != NULL) { - if (info->type == GNOME_VFS_FILE_TYPE_DIRECTORY) { - ETreePath *new_node; - VFSInfo *new_vfs_info = g_new0(VFSInfo, 1); - new_vfs_info->info = info; - - new_node = e_tree_model_node_insert (etm, path, -1, new_vfs_info); - new_vfs_info->placeholder = e_tree_model_node_insert (etm, new_node, -1, NULL); - new_vfs_info->node_uri = g_strdup_printf("%s%s/", vfs_info->node_uri, info->name); - } - - info = gnome_vfs_directory_list_next (vfs_info->list); - } -} - -static void -on_cursor_change (ETable *table, - int row, - gpointer user_data) -{ - int num_children, i; - GnomeVFSFileInfo *info; - GnomeVFSResult result; - ETreePath **paths; - ETreePath *left_path = e_tree_model_node_at_row (left_model, row); - VFSInfo *vfs_info = e_tree_model_node_get_data (left_model, left_path); - - if (right_list) { - gnome_vfs_directory_list_destroy (right_list); - right_list = NULL; - } - - /* remove the children of this node, and replace the placeholder */ - num_children = e_tree_model_node_get_children (right_model, right_root, &paths); - for (i = 0; i < num_children; i ++) - e_tree_model_node_remove (right_model, paths[i]); - - /* Load with no filters and without requesting any metadata. */ - result = gnome_vfs_directory_list_load - (&right_list, vfs_info->node_uri, - (GNOME_VFS_FILE_INFO_GET_MIME_TYPE - | GNOME_VFS_FILE_INFO_FORCE_FAST_MIME_TYPE - | GNOME_VFS_FILE_INFO_FOLLOW_LINKS), - right_filter); - - if (result != GNOME_VFS_OK) - return; - - info = gnome_vfs_directory_list_first (right_list); - if (!info) - return; - - while (info != NULL) { - ETreePath *new_node; - VFSInfo *new_vfs_info = g_new0(VFSInfo, 1); - new_vfs_info->info = info; - - new_node = e_tree_model_node_insert (right_model, right_root, -1, new_vfs_info); - - new_vfs_info->node_uri = g_strdup_printf("%s%s", vfs_info->node_uri, info->name); - - info = gnome_vfs_directory_list_next (right_list); - } - -} - -static void -on_double_click (ETable *etable, - int row, - void *data) -{ - GnomeVFSMimeApplication *app; - ETreePath *path = e_tree_model_node_at_row (right_model, row); - VFSInfo *vfs_info = e_tree_model_node_get_data (right_model, path); - const char *mime_type = gnome_vfs_file_info_get_mime_type (vfs_info->info); - if (mime_type == NULL) - mime_type = "(Unknown)"; - - app = gnome_vfs_mime_get_default_application (mime_type); - - if (app) - printf ("exec %s\n", app->command); - else - printf ("no command for mime type %s\n", mime_type); -} - -/* create the table on the right */ -static GtkWidget* -create_right_tree(GtkWidget *paned) -{ - GtkWidget *e_table; - GtkWidget *frame; - ECell *cell_left_just; - ECell *cell_tree; - ETableHeader *e_table_header; - int i; - - right_filter = gnome_vfs_directory_filter_new (GNOME_VFS_DIRECTORY_FILTER_NONE, - GNOME_VFS_DIRECTORY_FILTER_NODIRS, - NULL); - - /* here we create our model. This uses the functions we defined - earlier. */ - right_model = e_tree_simple_new (tree_col_count, - tree_duplicate_value, - tree_free_value, - tree_initialize_value, - tree_value_is_empty, - tree_value_to_string, - tree_icon_at, - tree_value_at, - tree_set_value_at, - tree_is_editable, - NULL); - - /* create the unexpanded root node and it's placeholder child. */ - right_root = e_tree_model_node_insert (right_model, NULL, - 0, NULL); - e_tree_model_root_node_set_visible (right_model, FALSE); - - /* - * 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(right_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(right_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 < RIGHT_COLS; i++) { - /* Create the column. */ - ETableCol *ecol = e_table_col_new ( - i, right_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); - } - - /* 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_scrolled_new (e_table_header, E_TABLE_MODEL(right_model), RIGHT_E_TABLE_SPEC); - - gtk_signal_connect (GTK_OBJECT (e_table), "double_click", GTK_SIGNAL_FUNC (on_double_click), NULL); - - /* Build the gtk widget hierarchy. */ - gtk_container_add (GTK_CONTAINER (frame), e_table); - gtk_container_add (GTK_CONTAINER (paned), frame); - - return e_table; -} - -/* We create a window containing our new tree. */ -static GtkWidget * -create_left_tree (GtkWidget *paned, char *root_uri) -{ - GtkWidget *scrolled; - GtkWidget *e_table; - GtkWidget *frame; - ECell *cell_left_just; - ECell *cell_tree; - ETableHeader *e_table_header; - ETreePath *root_node; - VFSInfo *root_vfs_info; - ETableCol *ecol; - - left_filter = gnome_vfs_directory_filter_new (GNOME_VFS_DIRECTORY_FILTER_NONE, - /* putting DIRSONLY doesn't work here, so we filter - files out in node_expanded. */ - (GNOME_VFS_DIRECTORY_FILTER_NOSELFDIR - | GNOME_VFS_DIRECTORY_FILTER_NOPARENTDIR), - NULL); - - - /* here we create our model. This uses the functions we defined - earlier. */ - left_model = e_tree_simple_new (tree_col_count, - tree_duplicate_value, - tree_free_value, - tree_initialize_value, - tree_value_is_empty, - tree_value_to_string, - tree_icon_at, - tree_value_at, - tree_set_value_at, - tree_is_editable, - NULL); - - /* catch collapsed/expanded signals */ - gtk_signal_connect (GTK_OBJECT (left_model), "node_expanded", - GTK_SIGNAL_FUNC (node_expanded), NULL); - - gtk_signal_connect (GTK_OBJECT (left_model), "node_collapsed", - GTK_SIGNAL_FUNC (node_collapsed), NULL); - - /* create the unexpanded root node and it's placeholder child. */ - root_vfs_info = g_new0 (VFSInfo, 1); - root_vfs_info->node_uri = g_strdup (root_uri); - root_vfs_info->info = gnome_vfs_file_info_new(); - - gnome_vfs_get_file_info (root_uri, root_vfs_info->info, - GNOME_VFS_FILE_INFO_GET_MIME_TYPE - | GNOME_VFS_FILE_INFO_FORCE_FAST_MIME_TYPE - | GNOME_VFS_FILE_INFO_FOLLOW_LINKS); - - root_node = e_tree_model_node_insert (left_model, NULL, - 0, - root_vfs_info); - e_tree_model_node_set_expanded (left_model, root_node, FALSE); - - root_vfs_info->placeholder = e_tree_model_node_insert (left_model, root_node, 0, NULL); - - e_tree_model_root_node_set_visible (left_model, TRUE); - - /* - * 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(left_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(left_model), - tree_expanded_pixbuf, tree_unexpanded_pixbuf, - TRUE, cell_left_just); - - /* Create the column. */ - ecol = e_table_col_new (0, left_headers [0], - 80, 20, - cell_tree, - g_str_compare, TRUE); - - e_table_header_add_column (e_table_header, ecol, 0); - - /* 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(left_model), LEFT_E_TABLE_SPEC); - - gtk_object_set (GTK_OBJECT (e_table), - "cursor_mode", E_TABLE_CURSOR_LINE, - NULL); - - scrolled = gtk_scrolled_window_new (NULL, NULL); - gtk_scrolled_window_set_policy (GTK_SCROLLED_WINDOW (scrolled), - GTK_POLICY_AUTOMATIC, GTK_POLICY_AUTOMATIC); - - /* Build the gtk widget hierarchy. */ - gtk_container_add (GTK_CONTAINER (scrolled), e_table); - gtk_container_add (GTK_CONTAINER (frame), scrolled); - gtk_container_add (GTK_CONTAINER (paned), frame); - - return e_table; -} - -static void -create_window(char *root_uri) -{ - GtkWidget *paned; - GtkWidget *window, *left_tree, *right_tree; - - window = gtk_window_new (GTK_WINDOW_TOPLEVEL); - paned = e_hpaned_new (); - - gtk_container_add (GTK_CONTAINER (window), paned); - - left_tree = create_left_tree (paned, root_uri); - right_tree = create_right_tree (paned); - - /* Show it all. */ - gtk_widget_show_all (window); - - gtk_signal_connect (GTK_OBJECT (left_tree), "cursor_change", GTK_SIGNAL_FUNC (on_cursor_change), NULL); - gtk_signal_connect (GTK_OBJECT (window), "delete-event", gtk_main_quit, NULL); - - /* kick things off by selecting the root node */ - e_table_set_cursor_row (E_TABLE (left_tree), 0); - on_cursor_change (E_TABLE(left_tree), 0, NULL); -} - - -int -main (int argc, char **argv) -{ - gchar *root_uri; - - if (argv[1] == NULL) - root_uri = "file:///"; - else - root_uri = argv[1]; - - gnome_init ("TableExample", "TableExample", argc, argv); - e_cursors_init (); - gnome_vfs_init (); - - mime_type_to_pixbuf = g_hash_table_new (g_str_hash, g_str_equal); - - 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_window (root_uri); - - gtk_main (); - - e_cursors_shutdown (); - return 0; -} |