1 files changed, 73 insertions, 0 deletions
diff --git a/unix/columns.h b/unix/columns.h
new file mode 100644
index 00000000..bca306b4
--- /dev/null
+++ b/unix/columns.h
@@ -0,0 +1,73 @@
+/*
+ * columns.h - header file for a columns-based widget container
+ * capable of supporting the PuTTY portable dialog box layout
+ * mechanism.
+ */
+
+#ifndef COLUMNS_H
+#define COLUMNS_H
+
+#include <gdk/gdk.h>
+#include <gtk/gtk.h>
+
+#ifdef __cplusplus
+extern "C" {
+#endif /* __cplusplus */
+
+#define TYPE_COLUMNS (columns_get_type())
+#define COLUMNS(obj) (G_TYPE_CHECK_INSTANCE_CAST((obj), TYPE_COLUMNS, Columns))
+#define COLUMNS_CLASS(klass)                                            \
+    (G_TYPE_CHECK_CLASS_CAST((klass), TYPE_COLUMNS, ColumnsClass))
+#define IS_COLUMNS(obj) (G_TYPE_CHECK_INSTANCE_TYPE((obj), TYPE_COLUMNS))
+#define IS_COLUMNS_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE((klass), TYPE_COLUMNS))
+
+typedef struct Columns_tag Columns;
+typedef struct ColumnsClass_tag ColumnsClass;
+typedef struct ColumnsChild_tag ColumnsChild;
+
+struct Columns_tag {
+    GtkContainer container;
+    /* private after here */
+    GList *children;                   /* this holds ColumnsChild structures */
+    GList *taborder;                   /* this just holds GtkWidgets */
+    ColumnsChild *vexpand;
+    gint spacing;
+};
+
+struct ColumnsClass_tag {
+    GtkContainerClass parent_class;
+};
+
+struct ColumnsChild_tag {
+    /* If `widget' is non-NULL, this entry represents an actual widget. */
+    GtkWidget *widget;
+    gint colstart, colspan;
+    bool force_left;                  /* for recalcitrant GtkLabels */
+    /* Otherwise, this entry represents a change in the column setup. */
+    gint ncols;
+    gint *percentages;
+    gint x, y, w, h;           /* used during an individual size computation */
+
+    /* Circularly linked list of children that are vertically aligned
+     * with each other. */
+    ColumnsChild *valign_next, *valign_prev;
+
+    /* Temporary space used within some methods */
+    bool visited;
+};
+
+GType columns_get_type(void);
+GtkWidget *columns_new(gint spacing);
+void columns_set_cols(Columns *cols, gint ncols, const gint *percentages);
+void columns_add(Columns *cols, GtkWidget *child,
+                 gint colstart, gint colspan);
+void columns_taborder_last(Columns *cols, GtkWidget *child);
+void columns_force_left_align(Columns *cols, GtkWidget *child);
+void columns_align_next_to(Columns *cols, GtkWidget *ch1, GtkWidget *ch2);
+void columns_vexpand(Columns *cols, GtkWidget *child);
+
+#ifdef __cplusplus
+}
+#endif /* __cplusplus */
+
+#endif /* COLUMNS_H */