diff options
Diffstat (limited to 'e-util/e-printable.c')
| -rw-r--r-- | e-util/e-printable.c | 226 |
1 files changed, 226 insertions, 0 deletions
diff --git a/e-util/e-printable.c b/e-util/e-printable.c new file mode 100644 index 0000000000..3f1403f03c --- /dev/null +++ b/e-util/e-printable.c @@ -0,0 +1,226 @@ +/* + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; either + * version 2 of the License, or (at your option) version 3. + * + * 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 + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with the program; if not, see <http://www.gnu.org/licenses/> + * + * + * Authors: + * Chris Lahey <clahey@ximian.com> + * + * Copyright (C) 1999-2008 Novell, Inc. (www.novell.com) + * + */ + +#ifdef HAVE_CONFIG_H +#include <config.h> +#endif + +#include <gtk/gtk.h> + +#include "e-printable.h" + +#include "e-marshal.h" + +#define EP_CLASS(e) ((EPrintableClass *)((GObject *)e)->class) + +G_DEFINE_TYPE ( + EPrintable, + e_printable, + G_TYPE_INITIALLY_UNOWNED) + +enum { + PRINT_PAGE, + DATA_LEFT, + RESET, + HEIGHT, + WILL_FIT, + LAST_SIGNAL +}; + +static guint e_printable_signals[LAST_SIGNAL] = { 0, }; + +static void +e_printable_class_init (EPrintableClass *class) +{ + GObjectClass *object_class = G_OBJECT_CLASS (class); + + e_printable_signals[PRINT_PAGE] = g_signal_new ( + "print_page", + G_OBJECT_CLASS_TYPE (object_class), + G_SIGNAL_RUN_LAST, + G_STRUCT_OFFSET (EPrintableClass, print_page), + NULL, NULL, + e_marshal_NONE__OBJECT_DOUBLE_DOUBLE_BOOLEAN, + G_TYPE_NONE, 4, + G_TYPE_OBJECT, + G_TYPE_DOUBLE, + G_TYPE_DOUBLE, + G_TYPE_BOOLEAN); + + e_printable_signals[DATA_LEFT] = g_signal_new ( + "data_left", + G_OBJECT_CLASS_TYPE (object_class), + G_SIGNAL_RUN_LAST, + G_STRUCT_OFFSET (EPrintableClass, data_left), + NULL, NULL, + e_marshal_BOOLEAN__NONE, + G_TYPE_BOOLEAN, 0, + G_TYPE_NONE); + + e_printable_signals[RESET] = g_signal_new ( + "reset", + G_OBJECT_CLASS_TYPE (object_class), + G_SIGNAL_RUN_LAST, + G_STRUCT_OFFSET (EPrintableClass, reset), + NULL, NULL, + g_cclosure_marshal_VOID__VOID, + G_TYPE_NONE, 0, + G_TYPE_NONE); + + e_printable_signals[HEIGHT] = g_signal_new ( + "height", + G_OBJECT_CLASS_TYPE (object_class), + G_SIGNAL_RUN_LAST, + G_STRUCT_OFFSET (EPrintableClass, height), + NULL, NULL, + e_marshal_DOUBLE__OBJECT_DOUBLE_DOUBLE_BOOLEAN, + G_TYPE_DOUBLE, 4, + G_TYPE_OBJECT, + G_TYPE_DOUBLE, + G_TYPE_DOUBLE, + G_TYPE_BOOLEAN); + + e_printable_signals[WILL_FIT] = g_signal_new ( + "will_fit", + G_OBJECT_CLASS_TYPE (object_class), + G_SIGNAL_RUN_LAST, + G_STRUCT_OFFSET (EPrintableClass, will_fit), + NULL, NULL, + e_marshal_BOOLEAN__OBJECT_DOUBLE_DOUBLE_BOOLEAN, + G_TYPE_BOOLEAN, 4, + G_TYPE_OBJECT, + G_TYPE_DOUBLE, + G_TYPE_DOUBLE, + G_TYPE_BOOLEAN); + + class->print_page = NULL; + class->data_left = NULL; + class->reset = NULL; + class->height = NULL; + class->will_fit = NULL; +} + +static void +e_printable_init (EPrintable *e_printable) +{ + /* nothing to do */ +} + +EPrintable * +e_printable_new (void) +{ + return E_PRINTABLE (g_object_new (E_PRINTABLE_TYPE, NULL)); +} + +void +e_printable_print_page (EPrintable *e_printable, + GtkPrintContext *context, + gdouble width, + gdouble height, + gboolean quantized) +{ + g_return_if_fail (e_printable != NULL); + g_return_if_fail (E_IS_PRINTABLE (e_printable)); + + g_signal_emit ( + e_printable, + e_printable_signals[PRINT_PAGE], 0, + 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); + + g_signal_emit ( + e_printable, + e_printable_signals[DATA_LEFT], 0, + &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)); + + g_signal_emit ( + e_printable, + e_printable_signals[RESET], 0); +} + +gdouble +e_printable_height (EPrintable *e_printable, + GtkPrintContext *context, + gdouble width, + gdouble max_height, + gboolean quantized) +{ + gdouble ret_val; + + g_return_val_if_fail (e_printable != NULL, -1); + g_return_val_if_fail (E_IS_PRINTABLE (e_printable), -1); + + g_signal_emit ( + e_printable, + e_printable_signals[HEIGHT], 0, + context, + width, + max_height, + quantized, + &ret_val); + + return ret_val; +} + +gboolean +e_printable_will_fit (EPrintable *e_printable, + GtkPrintContext *context, + gdouble width, + gdouble max_height, + gboolean quantized) +{ + gboolean ret_val; + + g_return_val_if_fail (e_printable != NULL, FALSE); + g_return_val_if_fail (E_IS_PRINTABLE (e_printable), FALSE); + + g_signal_emit ( + e_printable, + e_printable_signals[WILL_FIT], 0, + context, + width, + max_height, + quantized, + &ret_val); + + return ret_val; +} |