Checked in initial draft of the new tree widget.

2000-10-04    <jrb@redhat.com>

	* gtk/gtk{tree,cell}?*.[ch]: Checked in initial draft of the new
	tree widget.

1 files changed, 191 insertions, 0 deletions

diff --git a/gtk/gtktreeprivate.h b/gtk/gtktreeprivate.h
new file mode 100644
index 000000000..0274f3289
--- /dev/null
+++ b/gtk/gtktreeprivate.h
@@ -0,0 +1,191 @@
+/* gtktreeprivate.h
+ * Copyright (C) 2000  Red Hat, Inc.,  Jonathan Blandford <jrb@redhat.com>
+ *
+ * This 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.
+ *
+ * This 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 this library; if not, write to the
+ * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+ * Boston, MA 02111-1307, USA.
+ */
+
+#ifndef __GTK_TREE_PRIVATE_H__
+#define __GTK_TREE_PRIVATE_H__
+
+
+#ifdef __cplusplus
+extern "C" {
+#endif /* __cplusplus */
+
+#include <gtk/gtktreeview.h>
+#include <gtk/gtktreeselection.h>
+#include <gtk/gtkrbtree.h>
+
+typedef enum {
+  GTK_TREE_VIEW_IS_LIST = 1 << 0,
+  GTK_TREE_VIEW_SHOW_EXPANDERS = 1 << 1,
+  GTK_TREE_VIEW_IN_COLUMN_RESIZE = 1 << 2,
+  GTK_TREE_VIEW_ARROW_PRELIT = 1 << 3,
+  GTK_TREE_VIEW_HEADERS_VISIBLE = 1 << 4,
+  GTK_TREE_VIEW_DRAW_KEYFOCUS = 1 << 5,
+  GTK_TREE_VIEW_MODEL_SETUP = 1 << 6
+} GtkTreeViewFlags;
+
+#define GTK_TREE_VIEW_SET_FLAG(tree_view, flag)   G_STMT_START{ (tree_view->priv->flags|=flag); }G_STMT_END
+#define GTK_TREE_VIEW_UNSET_FLAG(tree_view, flag) G_STMT_START{ (tree_view->priv->flags&=~(flag)); }G_STMT_END
+#define GTK_TREE_VIEW_FLAG_SET(tree_view, flag)   ((tree_view->priv->flags&flag)==flag)
+#define TREE_VIEW_HEADER_HEIGHT(tree_view)        (GTK_TREE_VIEW_FLAG_SET (tree_view, GTK_TREE_VIEW_HEADERS_VISIBLE)?tree_view->priv->header_height:0)
+#define TREE_VIEW_COLUMN_SIZE(column)             (CLAMP (column->size, (column->min_width!=-1)?column->min_width:column->size, (column->max_width!=-1)?column->max_width:column->size))
+#define TREE_VIEW_DRAW_EXPANDERS(tree_view)       (!GTK_TREE_VIEW_FLAG_SET (tree_view, GTK_TREE_VIEW_IS_LIST)&&GTK_TREE_VIEW_FLAG_SET (tree_view, GTK_TREE_VIEW_SHOW_EXPANDERS))
+
+struct _GtkTreeViewPrivate
+{
+  GtkTreeModel *model;
+
+  guint flags;
+  /* tree information */
+  GtkRBTree *tree;
+
+  gint tab_offset;
+  GtkRBNode *button_pressed_node;
+  GtkRBTree *button_pressed_tree;
+
+  GList *children;
+  gint width;
+  gint height;
+
+  GtkAdjustment *hadjustment;
+  GtkAdjustment *vadjustment;
+
+  GdkWindow *bin_window;
+  GdkWindow *header_window;
+
+  /* Selection stuff */
+  GtkTreePath *anchor;
+  GtkTreePath *cursor;
+
+  /* Column Resizing */
+  GdkCursor *cursor_drag;
+  GdkGC *xor_gc;
+  gint drag_pos;
+  gint x_drag;
+
+  /* Prelight information */
+  GtkRBNode *prelight_node;
+  GtkRBTree *prelight_tree;
+  gint prelight_offset;
+
+  /* Selection information */
+  GtkTreeSelection *selection;
+
+  /* Header information */
+  gint columns;
+  GList *column;
+  gint header_height;
+};
+
+#ifdef __GNUC__
+
+#define TREE_VIEW_INTERNAL_ASSERT(expr, ret)     G_STMT_START{          \
+     if (!(expr))                                                       \
+       {                                                                \
+         g_log (G_LOG_DOMAIN,                                           \
+                G_LOG_LEVEL_CRITICAL,                                   \
+		"file %s: line %d (%s): assertion `%s' failed.\n"       \
+	        "There is a disparity between the internal view of the GtkTreeView,\n"    \
+		"and the GtkTreeModel.  This generally means that the model has changed\n"\
+		"without letting the view know.  Any display from now on is likely to\n"  \
+		"be incorrect.\n",                                                        \
+                __FILE__,                                               \
+                __LINE__,                                               \
+                __PRETTY_FUNCTION__,                                    \
+                #expr);                                                 \
+         return ret;                                                    \
+       };                               }G_STMT_END
+
+#define TREE_VIEW_INTERNAL_ASSERT_VOID(expr)     G_STMT_START{             \
+     if (!(expr))                                                       \
+       {                                                                \
+         g_log (G_LOG_DOMAIN,                                           \
+                G_LOG_LEVEL_CRITICAL,                                   \
+		"file %s: line %d (%s): assertion `%s' failed.\n"       \
+	        "There is a disparity between the internal view of the GtkTreeView,\n"    \
+		"and the GtkTreeModel.  This generally means that the model has changed\n"\
+		"without letting the view know.  Any display from now on is likely to\n"  \
+		"be incorrect.\n",                                                        \
+                __FILE__,                                               \
+                __LINE__,                                               \
+                __PRETTY_FUNCTION__,                                    \
+                #expr);                                                 \
+         return;                                                        \
+       };                               }G_STMT_END
+
+#else
+
+#define TREE_VIEW_INTERNAL_ASSERT(expr, ret)     G_STMT_START{          \
+     if (!(expr))                                                       \
+       {                                                                \
+         g_log (G_LOG_DOMAIN,                                           \
+                G_LOG_LEVEL_CRITICAL,                                   \
+		"file %s: line %d: assertion `%s' failed.\n"       \
+	        "There is a disparity between the internal view of the GtkTreeView,\n"    \
+		"and the GtkTreeModel.  This generally means that the model has changed\n"\
+		"without letting the view know.  Any display from now on is likely to\n"  \
+		"be incorrect.\n",                                                        \
+                __FILE__,                                               \
+                __LINE__,                                               \
+                #expr);                                                 \
+         return ret;                                                    \
+       };                               }G_STMT_END
+
+#define TREE_VIEW_INTERNAL_ASSERT_VOID(expr)     G_STMT_START{          \
+     if (!(expr))                                                       \
+       {                                                                \
+         g_log (G_LOG_DOMAIN,                                           \
+                G_LOG_LEVEL_CRITICAL,                                   \
+		"file %s: line %d: assertion '%s' failed.\n"            \
+	        "There is a disparity between the internal view of the GtkTreeView,\n"    \
+		"and the GtkTreeModel.  This generally means that the model has changed\n"\
+		"without letting the view know.  Any display from now on is likely to\n"  \
+		"be incorrect.\n",                                                        \
+                __FILE__,                                               \
+                __LINE__,                                               \
+                #expr);                                                 \
+         return;                                                        \
+       };                               }G_STMT_END
+#endif
+
+/* functions that shouldn't be exported */
+void         _gtk_tree_selection_internal_select_node (GtkTreeSelection  *selection,
+						       GtkRBNode         *node,
+						       GtkRBTree         *tree,
+						       GtkTreePath       *path,
+						       GdkModifierType    state);
+gboolean     _gtk_tree_view_find_node                 (GtkTreeView       *tree_view,
+						       GtkTreePath       *path,
+						       GtkRBTree        **tree,
+						       GtkRBNode        **node);
+GtkTreePath *_gtk_tree_view_find_path                 (GtkTreeView       *tree_view,
+						       GtkRBTree         *tree,
+						       GtkRBNode         *node);
+void         _gtk_tree_view_set_size                  (GtkTreeView       *tree_view,
+						       gint               width,
+						       gint               height);
+
+
+
+#ifdef __cplusplus
+}
+#endif /* __cplusplus */
+
+
+#endif /* __GTK_TREE_PRIVATE_H__ */
+