Include a Other Software section in Help file
[geeqie.git] / src / view_dir_tree.c
index ab8f469..e413450 100644 (file)
@@ -1,13 +1,22 @@
 /*
- * Geeqie
- * (C) 2006 John Ellis
- * Copyright (C) 2008 - 2010 The Geeqie Team
+ * Copyright (C) 2006 John Ellis
+ * Copyright (C) 2008 - 2016 The Geeqie Team
  *
  * Author: John Ellis
  *
- * This software is released under the GNU General Public License (GNU GPL).
- * Please read the included file COPYING for more information.
- * This software comes with no warranty of any kind, use at your own risk!
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * 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 General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program; if not, write to the Free Software Foundation, Inc.,
+ * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
  */
 
 #include "main.h"
@@ -53,10 +62,10 @@ static void set_cursor(GtkWidget *widget, GdkCursorType cursor_type)
 {
        GdkCursor *cursor = NULL;
 
-       if (!widget || !widget->window) return;
+       if (!widget || !gtk_widget_get_window(widget)) return;
 
        if (cursor_type > -1) cursor = gdk_cursor_new(cursor_type);
-       gdk_window_set_cursor(widget->window, cursor);
+       gdk_window_set_cursor(gtk_widget_get_window(widget), cursor);
        if (cursor) gdk_cursor_unref(cursor);
        gdk_flush();
 }
@@ -124,6 +133,8 @@ static void vdtree_expand_by_iter(ViewDir *vd, GtkTreeIter *iter, gboolean expan
 {
        GtkTreeModel *store;
        GtkTreePath *tpath;
+       NodeData *nd;
+       FileData *fd = NULL;
 
        store = gtk_tree_view_get_model(GTK_TREE_VIEW(vd->view));
        tpath = gtk_tree_model_get_path(store, iter);
@@ -134,7 +145,18 @@ static void vdtree_expand_by_iter(ViewDir *vd, GtkTreeIter *iter, gboolean expan
                   that the iter is populated */
                g_signal_handlers_block_by_func(G_OBJECT(vd->view), vdtree_row_expanded, vd);
                gtk_tree_view_expand_row(GTK_TREE_VIEW(vd->view), tpath, FALSE);
-               vdtree_icon_set_by_iter(vd, iter, vd->pf->open);
+               gtk_tree_model_get(store, iter, DIR_COLUMN_POINTER, &nd, -1);
+               fd = (nd) ? nd->fd : NULL;
+
+               if (fd && islink(fd->path))
+                       {
+                       vdtree_icon_set_by_iter(vd, iter, vd->pf->link);
+                       }
+               else
+                       {
+                       vdtree_icon_set_by_iter(vd, iter, vd->pf->open);
+                       }
+
                g_signal_handlers_unblock_by_func(G_OBJECT(vd->view), vdtree_row_expanded, vd);
                }
        else
@@ -307,27 +329,6 @@ static GList *parts_list_add_node_points(ViewDir *vd, GList *list)
        return list;
 }
 
-/*
- *----------------------------------------------------------------------------
- * misc
- *----------------------------------------------------------------------------
- */
-
-#if 0
-static void vdtree_row_deleted_cb(GtkTreeModel *tree_model, GtkTreePath *tpath, gpointer data)
-{
-       GtkTreeIter iter;
-       NodeData *nd;
-
-       gtk_tree_model_get_iter(tree_model, &iter, tpath);
-       gtk_tree_model_get(tree_model, &iter, DIR_COLUMN_POINTER, &nd, -1);
-
-       if (!nd) return;
-
-       file_data_unref(nd->fd);
-       g_free(nd);
-}
-#endif
 
 /*
  *----------------------------------------------------------------------------
@@ -391,12 +392,20 @@ static void vdtree_add_by_data(ViewDir *vd, FileData *fd, GtkTreeIter *parent)
        GdkPixbuf *pixbuf;
        NodeData *end;
        GtkTreeIter empty;
+       gchar *link = NULL;
 
        if (!fd) return;
 
        if (access_file(fd->path, R_OK | X_OK))
                {
-               pixbuf = vd->pf->close;
+               if (islink(fd->path))
+                       {
+                       pixbuf = vd->pf->link;
+                       }
+               else
+                       {
+                       pixbuf = vd->pf->close;
+                       }
                }
        else
                {
@@ -409,11 +418,21 @@ static void vdtree_add_by_data(ViewDir *vd, FileData *fd, GtkTreeIter *parent)
        nd->expanded = FALSE;
        nd->last_update = time(NULL);
 
+       if (islink(fd->path))
+               {
+               link = realpath(fd->path, NULL);
+               }
+       else
+               {
+               link = NULL;
+               }
+
        store = GTK_TREE_STORE(gtk_tree_view_get_model(GTK_TREE_VIEW(vd->view)));
        gtk_tree_store_append(store, &child, parent);
        gtk_tree_store_set(store, &child, DIR_COLUMN_POINTER, nd,
                                         DIR_COLUMN_ICON, pixbuf,
                                         DIR_COLUMN_NAME, nd->fd->name,
+                                        DIR_COLUMN_LINK, link,
                                         DIR_COLUMN_COLOR, FALSE, -1);
 
        /* all nodes are created with an "empty" node, so that the expander is shown
@@ -441,6 +460,8 @@ static void vdtree_add_by_data(ViewDir *vd, FileData *fd, GtkTreeIter *parent)
                        }
                gtk_tree_path_free(tpath);
                }
+
+       g_free(link);
 }
 
 gboolean vdtree_populate_path_by_iter(ViewDir *vd, GtkTreeIter *iter, gboolean force, FileData *target_fd)
@@ -452,6 +473,8 @@ gboolean vdtree_populate_path_by_iter(ViewDir *vd, GtkTreeIter *iter, gboolean f
        time_t current_time;
        GtkTreeIter child;
        NodeData *nd;
+       gboolean add_hidden = FALSE;
+       gchar *link = NULL;
 
        store = gtk_tree_view_get_model(GTK_TREE_VIEW(vd->view));
        gtk_tree_model_get(store, iter, DIR_COLUMN_POINTER, &nd, -1);
@@ -475,13 +498,9 @@ gboolean vdtree_populate_path_by_iter(ViewDir *vd, GtkTreeIter *iter, gboolean f
                        DEBUG_1("Too frequent update of %s", nd->fd->path);
                        return TRUE;
                        }
-               if (nd->fd->version == nd->version) return TRUE;
+               file_data_check_changed_files(nd->fd); /* make sure we have recent info */
                }
 
-       vdtree_busy_push(vd);
-
-       filelist_read(nd->fd, NULL, &list);
-
        /* when hidden files are not enabled, and the user enters a hidden path,
         * allow the tree to display that path by specifically inserting the hidden entries
         */
@@ -493,21 +512,32 @@ gboolean vdtree_populate_path_by_iter(ViewDir *vd, GtkTreeIter *iter, gboolean f
 
                n = strlen(nd->fd->path);
                if (target_fd->path[n] == G_DIR_SEPARATOR && target_fd->path[n+1] == '.')
-                       {
-                       gchar *name8;
+                       add_hidden = TRUE;
+               }
 
-                       n++;
+       if (nd->expanded && (!force && !add_hidden) && nd->fd->version == nd->version)
+               return TRUE;
 
-                       while (target_fd->path[n] != '\0' && target_fd->path[n] != G_DIR_SEPARATOR) n++;
-                       name8 = g_strndup(target_fd->path, n);
+       vdtree_busy_push(vd);
 
-                       if (isdir(name8))
-                               {
-                               list = g_list_prepend(list, file_data_new_dir(name8));
-                               }
+       filelist_read(nd->fd, NULL, &list);
+
+       if (add_hidden)
+               {
+               gint n;
+               gchar *name8;
 
-                       g_free(name8);
+               n = strlen(nd->fd->path) + 1;
+
+               while (target_fd->path[n] != '\0' && target_fd->path[n] != G_DIR_SEPARATOR) n++;
+               name8 = g_strndup(target_fd->path, n);
+
+               if (isdir(name8))
+                       {
+                       list = g_list_prepend(list, file_data_new_dir(name8));
                        }
+
+               g_free(name8);
                }
 
        old = NULL;
@@ -546,6 +576,18 @@ gboolean vdtree_populate_path_by_iter(ViewDir *vd, GtkTreeIter *iter, gboolean f
                                        }
 
                                gtk_tree_store_set(GTK_TREE_STORE(store), &child, DIR_COLUMN_NAME, fd->name, -1);
+
+                               if (islink(fd->path))
+                                       {
+                                       link = realpath(fd->path, NULL);
+                                       }
+                               else
+                                       {
+                                       link = NULL;
+                                       }
+
+                               gtk_tree_store_set(GTK_TREE_STORE(store), &child, DIR_COLUMN_LINK, link, -1);
+
                                cnd->version = fd->version;
                                old = g_list_remove(old, cnd);
                                file_data_unref(fd);
@@ -581,6 +623,8 @@ gboolean vdtree_populate_path_by_iter(ViewDir *vd, GtkTreeIter *iter, gboolean f
        nd->expanded = TRUE;
        nd->last_update = current_time;
 
+       g_free(link);
+
        return TRUE;
 }
 
@@ -714,12 +758,12 @@ gboolean vdtree_set_fd(ViewDir *vd, FileData *dir_fd)
 
                gtk_tree_view_get_cursor(GTK_TREE_VIEW(vd->view), &old_tpath, NULL);
                tpath = gtk_tree_model_get_path(store, &iter);
-               
+
                if (!old_tpath || gtk_tree_path_compare(tpath, old_tpath) != 0)
                        {
                        /* setting the cursor scrolls the view; do not do that unless it is necessary */
                        gtk_tree_view_set_cursor(GTK_TREE_VIEW(vd->view), tpath, NULL, FALSE);
-                       
+
                        /* gtk_tree_view_set_cursor scrolls the window itself, but it sometimes
                           does not work (switch from dir_list to dir_tree) */
                        tree_view_row_make_visible(GTK_TREE_VIEW(vd->view), &iter, TRUE);
@@ -731,13 +775,6 @@ gboolean vdtree_set_fd(ViewDir *vd, FileData *dir_fd)
        return TRUE;
 }
 
-#if 0
-const gchar *vdtree_get_path(ViewDir *vd)
-{
-       return vd->path;
-}
-#endif
-
 void vdtree_refresh(ViewDir *vd)
 {
        vdtree_populate_path(vd, vd->dir_fd, FALSE, TRUE);
@@ -745,6 +782,7 @@ void vdtree_refresh(ViewDir *vd)
 
 const gchar *vdtree_row_get_path(ViewDir *vd, gint row)
 {
+/** @FIXME no get row path */
        log_printf("FIXME: no get row path\n");
        return NULL;
 }
@@ -779,7 +817,7 @@ gboolean vdtree_press_key_cb(GtkWidget *widget, GdkEventKey *event, gpointer dat
 
        switch (event->keyval)
                {
-               case GDK_Menu:
+               case GDK_KEY_Menu:
                        vd->click_fd = fd;
                        vd_color_set(vd, vd->click_fd, TRUE);
 
@@ -788,13 +826,21 @@ gboolean vdtree_press_key_cb(GtkWidget *widget, GdkEventKey *event, gpointer dat
 
                        return TRUE;
                        break;
-               case GDK_plus:
-               case GDK_Right:
-               case GDK_KP_Add:
+               case GDK_KEY_plus:
+               case GDK_KEY_Right:
+               case GDK_KEY_KP_Add:
                        if (fd)
                                {
                                vdtree_populate_path_by_iter(vd, &iter, FALSE, vd->dir_fd);
-                               vdtree_icon_set_by_iter(vd, &iter, vd->pf->open);
+
+                               if (islink(fd->path))
+                                       {
+                                       vdtree_icon_set_by_iter(vd, &iter, vd->pf->link);
+                                       }
+                               else
+                                       {
+                                       vdtree_icon_set_by_iter(vd, &iter, vd->pf->open);
+                                       }
                                }
                        break;
                }
@@ -833,6 +879,7 @@ gboolean vdtree_press_cb(GtkWidget *widget, GdkEventButton *bevent, gpointer dat
        GtkTreeViewColumn *column;
        GtkTreeIter iter;
        NodeData *nd = NULL;
+       FileData *fd;
 
        if (gtk_tree_view_get_path_at_pos(GTK_TREE_VIEW(widget), bevent->x, bevent->y,
                                          &tpath, &column, NULL, NULL))
@@ -857,7 +904,16 @@ gboolean vdtree_press_cb(GtkWidget *widget, GdkEventButton *bevent, gpointer dat
                            !gtk_tree_view_row_expanded(GTK_TREE_VIEW(vd->view), tpath))
                                {
                                vdtree_populate_path_by_iter(vd, &iter, FALSE, vd->dir_fd);
-                               vdtree_icon_set_by_iter(vd, &iter, vd->pf->open);
+
+                               fd = (nd) ? nd->fd : NULL;
+                               if (fd && islink(fd->path))
+                                       {
+                                       vdtree_icon_set_by_iter(vd, &iter, vd->pf->link);
+                                       }
+                               else
+                                       {
+                                       vdtree_icon_set_by_iter(vd, &iter, vd->pf->open);
+                                       }
                                }
 
                        gtk_tree_path_free(tpath);
@@ -883,16 +939,51 @@ gboolean vdtree_press_cb(GtkWidget *widget, GdkEventButton *bevent, gpointer dat
 static void vdtree_row_expanded(GtkTreeView *treeview, GtkTreeIter *iter, GtkTreePath *tpath, gpointer data)
 {
        ViewDir *vd = data;
+       GtkTreeModel *store;
+       NodeData *nd = NULL;
+       FileData *fd;
+
+       gtk_tree_view_set_tooltip_column(treeview, DIR_COLUMN_LINK);
 
        vdtree_populate_path_by_iter(vd, iter, FALSE, NULL);
-       vdtree_icon_set_by_iter(vd, iter, vd->pf->open);
+       store = gtk_tree_view_get_model(GTK_TREE_VIEW(treeview));
+
+       gtk_tree_model_get_iter(store, iter, tpath);
+       gtk_tree_model_get(store, iter, DIR_COLUMN_POINTER, &nd, -1);
+
+       fd = (nd) ? nd->fd : NULL;
+       if (fd && islink(fd->path))
+               {
+               vdtree_icon_set_by_iter(vd, iter, vd->pf->link);
+               }
+       else
+               {
+               vdtree_icon_set_by_iter(vd, iter, vd->pf->open);
+               }
 }
 
 static void vdtree_row_collapsed(GtkTreeView *treeview, GtkTreeIter *iter, GtkTreePath *tpath, gpointer data)
 {
        ViewDir *vd = data;
+       GtkTreeModel *store;
+       NodeData *nd = NULL;
+       FileData *fd;
+
+       vdtree_populate_path_by_iter(vd, iter, FALSE, NULL);
+       store = gtk_tree_view_get_model(GTK_TREE_VIEW(treeview));
+
+       gtk_tree_model_get_iter(store, iter, tpath);
+       gtk_tree_model_get(store, iter, DIR_COLUMN_POINTER, &nd, -1);
 
-       vdtree_icon_set_by_iter(vd, iter, vd->pf->close);
+       fd = (nd) ? nd->fd : NULL;
+       if (fd && islink(fd->path))
+               {
+               vdtree_icon_set_by_iter(vd, iter, vd->pf->link);
+               }
+       else
+               {
+               vdtree_icon_set_by_iter(vd, iter, vd->pf->close);
+               }
 }
 
 static gint vdtree_sort_cb(GtkTreeModel *store, GtkTreeIter *a, GtkTreeIter *b, gpointer data)
@@ -969,7 +1060,7 @@ ViewDir *vdtree_new(ViewDir *vd, FileData *dir_fd)
        vd->dnd_drop_leave_func = vdtree_dnd_drop_expand_cancel;
        vd->dnd_drop_update_func = vdtree_dnd_drop_expand;
 
-       store = gtk_tree_store_new(4, G_TYPE_POINTER, GDK_TYPE_PIXBUF, G_TYPE_STRING, G_TYPE_INT);
+       store = gtk_tree_store_new(6, G_TYPE_POINTER, GDK_TYPE_PIXBUF, G_TYPE_STRING, G_TYPE_INT, G_TYPE_STRING, G_TYPE_STRING);
        vd->view = gtk_tree_view_new_with_model(GTK_TREE_MODEL(store));
        g_object_unref(store);
 
@@ -998,6 +1089,8 @@ ViewDir *vdtree_new(ViewDir *vd, FileData *dir_fd)
 
        gtk_tree_view_append_column(GTK_TREE_VIEW(vd->view), column);
 
+       gtk_tree_view_set_tooltip_column(GTK_TREE_VIEW(vd->view), DIR_COLUMN_LINK);
+
        vdtree_setup_root(vd);
 
        g_signal_connect(G_OBJECT(vd->view), "row_expanded",