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authorChristopher James Lahey <clahey@helixcode.com>2000-06-11 05:13:07 +0800
committerChris Lahey <clahey@src.gnome.org>2000-06-11 05:13:07 +0800
commit5dc1015e9666ef59682c46e306ed3a4add0a9356 (patch)
tree7bc125bde4c0c8064d0bd9a4c9733b1faf15e5bd /widgets
parent3976b6b155858f116261befc5aeb435de7e06c65 (diff)
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Added e-printable.c and e-printable.h.
2000-06-10 Christopher James Lahey <clahey@helixcode.com> * Makefile.am: Added e-printable.c and e-printable.h. * e-printable.c, e-printable.h: This new class is a printing context. Other classes return an EPrintable which represents a context for printing that object. * e-util.c, e-util.h: Added e_marshal_NONE__OBJECT_DOUBLE_DOUBLE_BOOL and e_marshal_DOUBLE__OBJECT_DOUBLE_DOUBLE. svn path=/trunk/; revision=3510
Diffstat (limited to 'widgets')
-rw-r--r--widgets/misc/e-printable.c172
-rw-r--r--widgets/misc/e-printable.h58
2 files changed, 230 insertions, 0 deletions
diff --git a/widgets/misc/e-printable.c b/widgets/misc/e-printable.c
new file mode 100644
index 0000000000..27170fef84
--- /dev/null
+++ b/widgets/misc/e-printable.c
@@ -0,0 +1,172 @@
+/* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*- */
+/*
+ * e-printable.c: an object printer.
+ *
+ * Author:
+ * Christopher James Lahey <clahey@helixcode.com>
+ *
+ * (C) 2000 Helix Code, Inc.
+ */
+#include <config.h>
+#include <gtk/gtksignal.h>
+#include "e-util.h"
+#include "e-printable.h"
+
+#define EP_CLASS(e) ((EPrintableClass *)((GtkObject *)e)->klass)
+
+#define PARENT_TYPE gtk_object_get_type ()
+
+
+static GtkObjectClass *e_printable_parent_class;
+
+enum {
+ PRINT_PAGE,
+ DATA_LEFT,
+ RESET,
+ HEIGHT,
+ LAST_SIGNAL
+};
+
+static guint e_printable_signals [LAST_SIGNAL] = { 0, };
+
+static void
+e_printable_class_init (GtkObjectClass *object_class)
+{
+ EPrintableClass *klass = E_PRINTABLE_CLASS(object_class);
+ e_printable_parent_class = gtk_type_class (PARENT_TYPE);
+
+ e_printable_signals [PRINT_PAGE] =
+ gtk_signal_new ("print_page",
+ GTK_RUN_LAST,
+ object_class->type,
+ GTK_SIGNAL_OFFSET (EPrintableClass, print_page),
+ e_marshal_NONE__OBJECT_DOUBLE_DOUBLE_BOOL,
+ GTK_TYPE_NONE, 4, GTK_TYPE_OBJECT, GTK_TYPE_DOUBLE, GTK_TYPE_DOUBLE, GTK_TYPE_BOOL);
+
+ e_printable_signals [DATA_LEFT] =
+ gtk_signal_new ("data_left",
+ GTK_RUN_LAST,
+ object_class->type,
+ GTK_SIGNAL_OFFSET (EPrintableClass, data_left),
+ gtk_marshal_BOOL__NONE,
+ GTK_TYPE_BOOL, 0, GTK_TYPE_NONE);
+
+ e_printable_signals [RESET] =
+ gtk_signal_new ("reset",
+ GTK_RUN_LAST,
+ object_class->type,
+ GTK_SIGNAL_OFFSET (EPrintableClass, reset),
+ gtk_marshal_NONE__NONE,
+ GTK_TYPE_NONE, 0, GTK_TYPE_NONE);
+
+ e_printable_signals [HEIGHT] =
+ gtk_signal_new ("height",
+ GTK_RUN_LAST,
+ object_class->type,
+ GTK_SIGNAL_OFFSET (EPrintableClass, height),
+ e_marshal_DOUBLE__OBJECT_DOUBLE_DOUBLE,
+ GTK_TYPE_DOUBLE, 3, GTK_TYPE_OBJECT, GTK_TYPE_DOUBLE, GTK_TYPE_DOUBLE);
+
+ gtk_object_class_add_signals (object_class, e_printable_signals, LAST_SIGNAL);
+
+ klass->print_page = NULL;
+ klass->data_left = NULL;
+ klass->reset = NULL;
+ klass->height = NULL;
+}
+
+
+guint
+e_printable_get_type (void)
+{
+ static guint type = 0;
+
+ if (!type)
+ {
+ GtkTypeInfo info =
+ {
+ "EPrintable",
+ sizeof (EPrintable),
+ sizeof (EPrintableClass),
+ (GtkClassInitFunc) e_printable_class_init,
+ NULL,
+ /* reserved_1 */ NULL,
+ /* reserved_2 */ NULL,
+ (GtkClassInitFunc) NULL,
+ };
+
+ type = gtk_type_unique (gtk_object_get_type (), &info);
+ }
+
+ return type;
+}
+
+EPrintable *
+e_printable_new(void)
+{
+ return E_PRINTABLE(gtk_type_new(e_printable_get_type()));
+}
+
+void
+e_printable_print_page (EPrintable *e_printable,
+ GnomePrintContext *context,
+ gdouble width,
+ gdouble height,
+ gboolean quantized)
+{
+ g_return_if_fail (e_printable != NULL);
+ g_return_if_fail (E_IS_PRINTABLE (e_printable));
+
+ gtk_signal_emit (GTK_OBJECT (e_printable),
+ e_printable_signals [PRINT_PAGE],
+ context,
+ width,
+ height,
+ quantized);
+}
+
+gboolean
+e_printable_data_left (EPrintable *e_printable)
+{
+ gboolean ret_val;
+
+ g_return_val_if_fail (e_printable != NULL, FALSE);
+ g_return_val_if_fail (E_IS_PRINTABLE (e_printable), FALSE);
+
+ gtk_signal_emit (GTK_OBJECT (e_printable),
+ e_printable_signals [DATA_LEFT],
+ &ret_val);
+
+ return ret_val;
+}
+
+void
+e_printable_reset (EPrintable *e_printable)
+{
+ g_return_if_fail (e_printable != NULL);
+ g_return_if_fail (E_IS_PRINTABLE (e_printable));
+
+ gtk_signal_emit (GTK_OBJECT (e_printable),
+ e_printable_signals [RESET]);
+}
+
+gdouble
+e_printable_height (EPrintable *e_printable,
+ GnomePrintContext *context,
+ gdouble width,
+ gdouble max_height)
+{
+ gdouble ret_val;
+
+ g_return_val_if_fail (e_printable != NULL, -1);
+ g_return_val_if_fail (E_IS_PRINTABLE (e_printable), -1);
+
+ gtk_signal_emit (GTK_OBJECT (e_printable),
+ e_printable_signals [HEIGHT],
+ context,
+ width,
+ max_height,
+ &ret_val);
+
+ return ret_val;
+}
diff --git a/widgets/misc/e-printable.h b/widgets/misc/e-printable.h
new file mode 100644
index 0000000000..2f8532e0ec
--- /dev/null
+++ b/widgets/misc/e-printable.h
@@ -0,0 +1,58 @@
+/* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*- */
+/*
+ * e-printable.h: an object printer.
+ *
+ * Author:
+ * Christopher James Lahey <clahey@helixcode.com>
+ *
+ * (C) 2000 Helix Code, Inc.
+ */
+#ifndef _E_PRINTABLE_H_
+#define _E_PRINTABLE_H_
+
+#include <gtk/gtkobject.h>
+#include <libgnomeprint/gnome-print.h>
+
+#define E_PRINTABLE_TYPE (e_printable_get_type ())
+#define E_PRINTABLE(o) (GTK_CHECK_CAST ((o), E_PRINTABLE_TYPE, EPrintable))
+#define E_PRINTABLE_CLASS(k) (GTK_CHECK_CLASS_CAST((k), E_PRINTABLE_TYPE, EPrintableClass))
+#define E_IS_PRINTABLE(o) (GTK_CHECK_TYPE ((o), E_PRINTABLE_TYPE))
+#define E_IS_PRINTABLE_CLASS(k) (GTK_CHECK_CLASS_TYPE ((k), E_PRINTABLE_TYPE))
+
+typedef struct {
+ GtkObject base;
+} EPrintable;
+
+typedef struct {
+ GtkObjectClass parent_class;
+
+ /*
+ * Signals
+ */
+
+ void (*print_page) (EPrintable *etm, GnomePrintContext *context, gdouble width, gdouble height, gboolean quantized);
+ gboolean (*data_left) (EPrintable *etm);
+ void (*reset) (EPrintable *etm);
+ gdouble (*height) (EPrintable *etm, GnomePrintContext *context, gdouble width, gdouble max_height);
+} EPrintableClass;
+
+GtkType e_printable_get_type (void);
+
+EPrintable *e_printable_new (void);
+
+/*
+ * Routines for emitting signals on the e_table
+ */
+void e_printable_print_page (EPrintable *e_printable,
+ GnomePrintContext *context,
+ gdouble width,
+ gdouble height,
+ gboolean quantized);
+gboolean e_printable_data_left (EPrintable *e_printable);
+void e_printable_reset (EPrintable *e_printable);
+gdouble e_printable_height (EPrintable *e_printable,
+ GnomePrintContext *context,
+ gdouble width,
+ gdouble max_height);
+
+#endif /* _E_PRINTABLE_H_ */