diff -r 000000000000 -r 804d8803eade ui/gtk/container.h
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/ui/gtk/container.h	Wed Dec 09 11:32:01 2020 +0100
@@ -0,0 +1,138 @@
+/*
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
+ *
+ * Copyright 2017 Olaf Wintermann. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *
+ *   1. Redistributions of source code must retain the above copyright
+ *      notice, this list of conditions and the following disclaimer.
+ *
+ *   2. Redistributions in binary form must reproduce the above copyright
+ *      notice, this list of conditions and the following disclaimer in the
+ *      documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#ifndef CONTAINER_H
+#define	CONTAINER_H
+
+#include "../ui/toolkit.h"
+#include "../ui/container.h"
+#include <string.h>
+
+#ifdef	__cplusplus
+extern "C" {
+#endif
+
+#define ui_reset_layout(layout) memset(&(layout), 0, sizeof(UiLayout))
+#define ui_lb2bool(b) ((b) == UI_LAYOUT_TRUE ? TRUE : FALSE)
+#define ui_bool2lb(b) ((b) ? UI_LAYOUT_TRUE : UI_LAYOUT_FALSE)
+    
+typedef void (*ui_container_add_f)(UiContainer*, GtkWidget*, UiBool);
+
+typedef struct UiDocumentView UiDocumentView;
+
+typedef struct UiLayout UiLayout;
+typedef enum UiLayoutBool UiLayoutBool;
+
+enum UiLayoutBool {
+    UI_LAYOUT_UNDEFINED = 0,
+    UI_LAYOUT_TRUE,
+    UI_LAYOUT_FALSE,
+};
+
+struct UiLayout {
+    UiLayoutBool fill;
+    UiBool       newline;
+    char         *label;
+    UiBool       hexpand;
+    UiBool       vexpand;
+    int          width;
+    int          gridwidth;
+};
+
+struct UiContainer {
+    GtkWidget *widget;
+    GtkMenu *menu;
+    GtkWidget *current;
+    
+    void (*add)(UiContainer*, GtkWidget*, UiBool);
+    UiLayout layout;
+    
+    int close;
+};
+
+typedef struct UiBoxContainer {
+    UiContainer container;
+    UiBool has_fill;
+} UiBoxContainer;
+
+typedef struct UiGridContainer {
+    UiContainer container;
+    int x;
+    int y;
+#ifdef UI_GTK2
+    int width;
+    int height;
+#endif
+} UiGridContainer;
+
+typedef struct UiPanedContainer {
+    UiContainer container;
+    GtkWidget *current_pane;
+    int orientation;
+    int max;
+    int cur;
+} UiPanedContainer;
+
+typedef struct UiTabViewContainer {
+    UiContainer container;
+} UiTabViewContainer;
+
+GtkWidget* ui_gtk_vbox_new(int spacing);
+GtkWidget* ui_gtk_hbox_new(int spacing);
+
+UiContainer* ui_frame_container(UiObject *obj, GtkWidget *frame);
+void ui_frame_container_add(UiContainer *ct, GtkWidget *widget, UiBool fill);
+
+UiContainer* ui_box_container(UiObject *obj, GtkWidget *box);
+void ui_box_container_add(UiContainer *ct, GtkWidget *widget, UiBool fill);
+
+UiContainer* ui_grid_container(UiObject *obj, GtkWidget *grid);
+void ui_grid_container_add(UiContainer *ct, GtkWidget *widget, UiBool fill);
+
+UiContainer* ui_scrolledwindow_container(UiObject *obj, GtkWidget *scrolledwindow);
+void ui_scrolledwindow_container_add(UiContainer *ct, GtkWidget *widget, UiBool fill);
+
+UiContainer* ui_tabview_container(UiObject *obj, GtkWidget *tabview);
+void ui_tabview_container_add(UiContainer *ct, GtkWidget *widget, UiBool fill);
+
+void ui_paned_container_add(UiContainer *ct, GtkWidget *widget, UiBool fill);
+
+void ui_split_container_add1(UiContainer *ct, GtkWidget *widget, UiBool fill);
+void ui_split_container_add2(UiContainer *ct, GtkWidget *widget, UiBool fill);
+
+
+UiObject* ui_add_document_tab(UiDocumentView *view);
+void ui_tab_set_document(UiContext *ctx, void *document);
+void ui_tab_detach_document(UiContext *ctx);
+
+#ifdef	__cplusplus
+}
+#endif
+
+#endif	/* CONTAINER_H */
+