Numerous GUI enhancements.

[pspp] / src / ui / gui / psppire-keypad.h

diff --git a/src/ui/gui/psppire-keypad.h b/src/ui/gui/psppire-keypad.h
new file mode 100644 (file)
index 0000000..340696c
--- /dev/null
+++ b/src/ui/gui/psppire-keypad.h
@@ -0,0 +1,117 @@
+/* PSPP - computes sample statistics.
+   Copyright (C) 2007 Free Software Foundation, Inc.
+
+   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. */
+
+/*
+ This module implements a keypad widget, similar to that dipicted
+ below:
+
+ +---+---+---+---+---+
+ |                  |
+ | +   <   7   8   9 |
+ +                  +
+ |                  |
+ | -   >   4   5   6 |
+ +                  +
+ |                  |
+ | *  <=   1   2   3 |
+ +                  +
+ |                          |
+ | /  >=     0            . |
+ +                  +
+ | y  !=   =   (   ) |
+ |x                 |
+ +---+---+---+---+---+
+
+ It's intended for dialog boxes which produce PSPP syntax.  Thus,
+ a "insert-syntax" signal is emitted whenever a key is clicked.
+ The signal supports the following callback:
+
+ void insert_syntax (Keypad *kp, const char *syntax, gpointer user_data);
+
+*/
+
+#ifndef __PSPPIRE_KEYPAD_H__
+#define __PSPPIRE_KEYPAD_H__
+
+
+#include <glib.h>
+#include <glib-object.h>
+#include <gtk/gtkeventbox.h>
+
+
+G_BEGIN_DECLS
+
+#define PSPPIRE_KEYPAD_TYPE            (psppire_keypad_get_type ())
+#define PSPPIRE_KEYPAD(obj)            (G_TYPE_CHECK_INSTANCE_CAST ((obj), PSPPIRE_KEYPAD_TYPE, Psppire_Keypad))
+#define PSPPIRE_KEYPAD_CLASS(klass)    (G_TYPE_CHECK_CLASS_CAST ((klass), PSPPIRE_KEYPAD_TYPE, Psppire_KeypadClass))
+#define PSPPIRE_IS_KEYPAD(obj)         (G_TYPE_CHECK_INSTANCE_TYPE ((obj), PSPPIRE_KEYPAD_TYPE))
+#define PSPPIRE_IS_KEYPAD_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), PSPPIRE_KEYPAD_TYPE))
+
+
+typedef struct _PsppireKeypad       PsppireKeypad;
+typedef struct _PsppireKeypadClass  PsppireKeypadClass;
+
+/* All members are private. */
+struct _PsppireKeypad
+{
+  GtkEventBox parent;
+
+  /* Hash of syntax fragments indexed by pointer to widget (button) */
+  GHashTable *frag_table;
+  GtkWidget *table;
+
+  /* The order of everything here is important */
+  GtkWidget *digit[10];
+  GtkWidget *dot;
+  GtkWidget *plus;
+  GtkWidget *minus;
+  GtkWidget *star;
+  GtkWidget *star_star;
+  GtkWidget *slash;
+  GtkWidget *eq;
+  GtkWidget *neq;
+  GtkWidget *lt;
+  GtkWidget *le;
+  GtkWidget *gt;
+  GtkWidget *ge;
+  GtkWidget *and;
+  GtkWidget *or;
+  GtkWidget *not;
+
+
+  GtkWidget *parentheses;
+  GtkWidget *delete;
+
+
+  gboolean dispose_has_run;
+};
+
+
+struct _PsppireKeypadClass
+{
+  GtkTableClass parent_class;
+  void (*keypad)(PsppireKeypad*);
+};
+
+
+GType          psppire_keypad_get_type        (void);
+GtkWidget*     psppire_keypad_new             (void);
+
+G_END_DECLS
+
+#endif /* __PSPPIRE_KEYPAD_H__ */