ui_pathsel.c

Gqview,Linux下基于GTK+库写成的轻量级而能丰富的图像浏览程序。

	else
		{
		const gchar *text;

		gtk_list_store_set(GTK_LIST_STORE(model), &iter, 0, new, 1, new_path, -1);

		text = gtk_entry_get_text(GTK_ENTRY(dd->entry));
		if (text && old_path && strcmp(text, old_path) == 0)
			{
			gtk_entry_set_text(GTK_ENTRY(dd->entry), new_path);
			}
		}

	g_free(old_path);
	g_free(new_path);

	return TRUE;
}

static void dest_view_rename(Dest_Data *dd, GtkTreeView *view)
{
	GtkTreeModel *model;
	GtkTreeIter iter;
	gchar *text;

	if (!dd->right_click_path) return;

	model = gtk_tree_view_get_model(view);
	gtk_tree_model_get_iter(model, &iter, dd->right_click_path);
	gtk_tree_model_get(model, &iter, 0, &text, -1);

	tree_edit_by_path(view, dd->right_click_path, 0, text,
			  dest_view_rename_cb, dd);

	g_free(text);
}

static void dest_view_delete_dlg_cancel(GenericDialog *gd, gpointer data)
{
	DestDel_Data *dl = data;

	dl->dd->gd = NULL;
	g_free(dl->path);
	g_free(dl);
}

static void dest_view_delete_dlg_ok_cb(GenericDialog *gd, gpointer data)
{
	DestDel_Data *dl = data;

	if (!unlink_file(dl->path))
		{
		gchar *text = g_strdup_printf(_("Unable to delete file:\n%s"), dl->path);
		warning_dialog(_("File deletion failed"), text, GTK_STOCK_DIALOG_WARNING, dl->dd->entry);
		g_free(text);
		}
	else if (dl->dd->path)
		{
		/* refresh list */
		gchar *path = g_strdup(dl->dd->path);
		dest_populate(dl->dd, path);
		g_free(path);
		}

	dest_view_delete_dlg_cancel(gd, data);
}

static void dest_view_delete(Dest_Data *dd, GtkTreeView *view)
{
	gchar *path;
	gchar *text;
	DestDel_Data *dl;
	GtkTreeModel *model;
	GtkTreeIter iter;

	if (view != GTK_TREE_VIEW(dd->f_view)) return;
	if (!dd->right_click_path) return;

	model = gtk_tree_view_get_model(view);
	gtk_tree_model_get_iter(model, &iter, dd->right_click_path);
	gtk_tree_model_get(model, &iter, 1, &path, -1);
	
	if (!path) return;

	dl = g_new(DestDel_Data, 1);
	dl->dd = dd;
	dl->path = path;

	if (dd->gd)
		{
		GenericDialog *gd = dd->gd;
		dest_view_delete_dlg_cancel(dd->gd, dd->gd->data);
		generic_dialog_close(gd);
		}

	dd->gd = generic_dialog_new(_("Delete file"), PACKAGE, "dlg_confirm",
				    dd->entry, TRUE,
				    dest_view_delete_dlg_cancel, dl);

	generic_dialog_add_button(dd->gd, GTK_STOCK_DELETE, NULL, dest_view_delete_dlg_ok_cb, TRUE);

	text = g_strdup_printf(_("About to delete the file:\n %s"), path);
	generic_dialog_add_message(dd->gd, GTK_STOCK_DIALOG_QUESTION,
				   _("Delete file"), text);
	g_free(text);

	gtk_widget_show(dd->gd->dialog);
}

static void dest_view_bookmark(Dest_Data *dd, GtkTreeView *view)
{
	GtkTreeModel *model;
	GtkTreeIter iter;
	gchar *path;

	if (!dd->right_click_path) return;

	model = gtk_tree_view_get_model(view);
	gtk_tree_model_get_iter(model, &iter, dd->right_click_path);
	gtk_tree_model_get(model, &iter, 1, &path, -1);

	bookmark_list_add(dd->bookmark_list, filename_from_path(path), path);
	g_free(path);
}

static void dest_popup_dir_rename_cb(GtkWidget *widget, gpointer data)
{
	Dest_Data *dd = data;
	dest_view_rename(dd, GTK_TREE_VIEW(dd->d_view));
}

static void dest_popup_dir_bookmark_cb(GtkWidget *widget, gpointer data)
{
	Dest_Data *dd = data;
	dest_view_bookmark(dd, GTK_TREE_VIEW(dd->d_view));
}

static void dest_popup_file_rename_cb(GtkWidget *widget, gpointer data)
{
	Dest_Data *dd = data;
	dest_view_rename(dd, GTK_TREE_VIEW(dd->f_view));
}

static void dest_popup_file_delete_cb(GtkWidget *widget, gpointer data)
{
	Dest_Data *dd = data;
	dest_view_delete(dd, GTK_TREE_VIEW(dd->f_view));
}

static void dest_popup_file_bookmark_cb(GtkWidget *widget, gpointer data)
{
	Dest_Data *dd = data;
	dest_view_bookmark(dd, GTK_TREE_VIEW(dd->f_view));
}

static void dest_popup_position_cb(GtkMenu *menu, gint *x, gint *y,
				   gboolean *push_in, gpointer data)
{
	Dest_Data *dd = data;
	GtkTreeView *view;
	gint cw, ch;

	view = g_object_get_data(G_OBJECT(menu), "active_view");

	tree_view_get_cell_clamped(view, dd->right_click_path, 0, TRUE, x, y, &cw, &ch);
	*y += ch;
	popup_menu_position_clamp(menu, x, y, 0);
}

static gint dest_popup_menu(Dest_Data *dd, GtkTreeView *view,
			    gint button, guint32 time, gint local)
{
	GtkWidget *menu;

	if (!dd->right_click_path) return FALSE;

	if (view == GTK_TREE_VIEW(dd->d_view))
		{
		GtkTreeModel *model;
		GtkTreeIter iter;
		gchar *text;
		gint normal_dir;

		model = gtk_tree_view_get_model(view);
		gtk_tree_model_get_iter(model, &iter, dd->right_click_path);
		gtk_tree_model_get(model, &iter, 0, &text, -1);

		if (!text) return FALSE;
	       
		normal_dir = (strcmp(text, ".") == 0 || strcmp(text, "..") == 0);

		menu = popup_menu_short_lived();
		menu_item_add_sensitive(menu, _("_Rename"), !normal_dir,
			      G_CALLBACK(dest_popup_dir_rename_cb), dd);
		menu_item_add_stock(menu, _("Add _Bookmark"), GTK_STOCK_JUMP_TO,
			      G_CALLBACK(dest_popup_dir_bookmark_cb), dd);
		}
	else
		{
		menu = popup_menu_short_lived();
		menu_item_add(menu, _("_Rename"),
				G_CALLBACK(dest_popup_file_rename_cb), dd);
		menu_item_add_stock(menu, _("_Delete"), GTK_STOCK_DELETE,
				G_CALLBACK(dest_popup_file_delete_cb), dd);
		menu_item_add_stock(menu, _("Add _Bookmark"), GTK_STOCK_JUMP_TO,
				G_CALLBACK(dest_popup_file_bookmark_cb), dd);
		}

	if (local)
		{
		g_object_set_data(G_OBJECT(menu), "active_view", view);
		gtk_menu_popup(GTK_MENU(menu), NULL, NULL,
			       dest_popup_position_cb, dd, button, time);
		}
	else
		{
		gtk_menu_popup(GTK_MENU(menu), NULL, NULL, NULL, NULL, button, time);
		}

	return TRUE;
}

static gint dest_press_cb(GtkWidget *view, GdkEventButton *event, gpointer data)
{
	Dest_Data *dd = data;
	GtkTreePath *tpath;
	GtkTreeViewColumn *column;
	gint cell_x, cell_y;
	GtkTreeModel *model;
	GtkTreeIter iter;
	GtkTreeSelection *selection;

	if (event->button != 3 ||
	    !gtk_tree_view_get_path_at_pos(GTK_TREE_VIEW(view), event->x, event->y,
					   &tpath, &column, &cell_x, &cell_y))
		{
		return FALSE;
		}

	model = gtk_tree_view_get_model(GTK_TREE_VIEW(view));
	gtk_tree_model_get_iter(model, &iter, tpath);

	selection = gtk_tree_view_get_selection(GTK_TREE_VIEW(view));
	gtk_tree_selection_select_iter(selection, &iter);

	if (dd->right_click_path) gtk_tree_path_free(dd->right_click_path);
	dd->right_click_path = tpath;

	return dest_popup_menu(dd, GTK_TREE_VIEW(view), 0, event->time, FALSE);
}

static gboolean dest_keypress_cb(GtkWidget *view, GdkEventKey *event, gpointer data)
{
	Dest_Data *dd = data;

	switch (event->keyval)
		{
		case GDK_F10:
			if (!(event->state & GDK_CONTROL_MASK)) return FALSE;
		case GDK_Menu:
			dest_view_store_selection(dd, GTK_TREE_VIEW(view));
			dest_popup_menu(dd, GTK_TREE_VIEW(view), 0, event->time, TRUE);
			return TRUE;
			break;
		case 'R': case 'r':
			if (event->state & GDK_CONTROL_MASK)
				{
				dest_view_store_selection(dd, GTK_TREE_VIEW(view));
				dest_view_rename(dd, GTK_TREE_VIEW(view));
				return TRUE;
				}
			break;
		case GDK_Delete:
			dest_view_store_selection(dd, GTK_TREE_VIEW(view));
			dest_view_delete(dd, GTK_TREE_VIEW(view));
			return TRUE;
			break;
		case 'B' : case 'b':
			if (event->state & GDK_CONTROL_MASK)
				{
				dest_view_store_selection(dd, GTK_TREE_VIEW(view));
				dest_view_bookmark(dd, GTK_TREE_VIEW(view));
				return TRUE;
				}
			break;
		}

	return FALSE;
}
	
static void dest_new_dir_cb(GtkWidget *widget, gpointer data)
{
	Dest_Data *dd = data;
	gchar *path;
	gchar *buf;
	const gchar *tmp;
	gint from_text = FALSE;

	tmp = gtk_entry_get_text(GTK_ENTRY(dd->entry));
	if (!isname(tmp))
		{
		path = g_strdup(tmp);
		from_text = TRUE;
		}
	else
		{
		buf = concat_dir_and_file(dd->path, _("New folder"));
		path = unique_filename(buf, NULL, " ", FALSE);
		g_free(buf);
		}

	if (!mkdir_utf8(path, 0755))
		{
		/* failed */
		gchar *text;

		text = g_strdup_printf(_("Unable to create folder:\n%s"), filename_from_path(path));
		warning_dialog(_("Error creating folder"), text, GTK_STOCK_DIALOG_ERROR, dd->entry);
		g_free(text);
		}
	else
		{
		GtkTreeIter iter;
		GtkListStore *store;
		const gchar *text;

		if (from_text) gtk_entry_set_text(GTK_ENTRY(dd->entry), dd->path);

		store = GTK_LIST_STORE(gtk_tree_view_get_model(GTK_TREE_VIEW(dd->d_view)));

		text = filename_from_path(path);

		gtk_list_store_append(store, &iter);
		gtk_list_store_set(store, &iter, 0, text, 1, path, -1);

		if (dd->right_click_path) gtk_tree_path_free(dd->right_click_path);
		dd->right_click_path = gtk_tree_model_get_path(GTK_TREE_MODEL(store), &iter);

		tree_edit_by_path(GTK_TREE_VIEW(dd->d_view), dd->right_click_path, 0, text,
				  dest_view_rename_cb, dd);
		}

	g_free(path);
}

/*
 *-----------------------------------------------------------------------------
 * destination widget file selection, traversal, view options
 *-----------------------------------------------------------------------------
 */ 

static void dest_select_cb(GtkTreeSelection *selection, gpointer data)
{
	Dest_Data *dd = data;
	GtkTreeView *view;
	GtkTreeModel *store;
	GtkTreeIter iter;
	gchar *path;

	if (!gtk_tree_selection_get_selected(selection, NULL, &iter)) return;

	view = gtk_tree_selection_get_tree_view(selection);
	store = gtk_tree_view_get_model(view);
	gtk_tree_model_get(store, &iter, 1, &path, -1);

	if (view == GTK_TREE_VIEW(dd->d_view))
		{
		dest_change_dir(dd, path, (dd->f_view != NULL));
		}
	else
		{
		gtk_entry_set_text(GTK_ENTRY(dd->entry), path);
		}

	g_free(path);
}

static void dest_activate_cb(GtkWidget *view, GtkTreePath *tpath, GtkTreeViewColumn *column, gpointer data)
{
	Dest_Data *dd = data;
	GtkTreeModel *store;
	GtkTreeIter iter;
	gchar *path;

	store = gtk_tree_view_get_model(GTK_TREE_VIEW(view));
	gtk_tree_model_get_iter(store, &iter, tpath);
	gtk_tree_model_get(store, &iter, 1, &path, -1);

	if (view == dd->d_view)
		{
		dest_change_dir(dd, path, (dd->f_view != NULL));
		}
	else
		{
		if (dd->select_func)
			{
			dd->select_func(path, dd->select_data);
			}
		}

	g_free(path);
}

static void dest_home_cb(GtkWidget *widget, gpointer data)
{
	Dest_Data *dd = data;

	dest_change_dir(dd, homedir(), (dd->f_view != NULL));
}

static void dest_show_hidden_cb(GtkWidget *widget, gpointer data)
{
	Dest_Data *dd = data;
	gchar *buf;

	dd->show_hidden = gtk_toggle_button_get_active(GTK_TOGGLE_BUTTON(dd->hidden_button));

	buf = g_strdup(dd->path);
	dest_populate(dd, buf);
	g_free(buf);
}

static void dest_entry_changed_cb(GtkEditable *editable, gpointer data)
{
	Dest_Data *dd = data;
	const gchar *path;
	gchar *buf;

	path = gtk_entry_get_text(GTK_ENTRY(dd->entry));
	if (dd->path && strcmp(path, dd->path) == 0) return;

	buf = remove_level_from_path(path);