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Clean up APIs: Make async a setting instead of separate calls. Combine

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2006-06-07  Alexander Larsson  <alexl@redhat.com>

	* gtk/gtk.symbols:
	* gtk/gtkprintoperation-private.h:
	* gtk/gtkprintoperation-unix.c:
	* gtk/gtkprintoperation.[ch]:
	Clean up APIs:
	Make async a setting instead of separate calls.
	Combine settings like show_dialog, show_preview and pdf_target into
	an action enum that you pass to gtk_print_dialog_run().

	* tests/print-editor.c:
	* tests/testnouiprint.c:
	* tests/testprint.c:
	* demos/gtk-demo/printing.c:
	Update to new APIs
This commit is contained in:
Alexander Larsson 2006-06-07 15:09:03 +00:00 committed by Alexander Larsson
parent 36f7ed300a
commit 9bea38595f
11 changed files with 320 additions and 273 deletions
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17
ChangeLog
View File

@ -1,3 +1,20 @@
2006-06-07 Alexander Larsson <alexl@redhat.com>
* gtk/gtk.symbols:
* gtk/gtkprintoperation-private.h:
* gtk/gtkprintoperation-unix.c:
* gtk/gtkprintoperation.[ch]:
Clean up APIs:
Make async a setting instead of separate calls.
Combine settings like show_dialog, show_preview and pdf_target into
an action enum that you pass to gtk_print_dialog_run().
* tests/print-editor.c:
* tests/testnouiprint.c:
* tests/testprint.c:
* demos/gtk-demo/printing.c:
Update to new APIs
2006-06-07 Bastien Nocera <hadess@hadess.net>
* configure.in: Update the ATK requirements (#344148)

17
ChangeLog.pre-2-10
View File

@ -1,3 +1,20 @@
2006-06-07 Alexander Larsson <alexl@redhat.com>
* gtk/gtk.symbols:
* gtk/gtkprintoperation-private.h:
* gtk/gtkprintoperation-unix.c:
* gtk/gtkprintoperation.[ch]:
Clean up APIs:
Make async a setting instead of separate calls.
Combine settings like show_dialog, show_preview and pdf_target into
an action enum that you pass to gtk_print_dialog_run().
* tests/print-editor.c:
* tests/testnouiprint.c:
* tests/testprint.c:
* demos/gtk-demo/printing.c:
Update to new APIs
2006-06-07 Bastien Nocera <hadess@hadess.net>
* configure.in: Update the ATK requirements (#344148)

2
demos/gtk-demo/printing.c
View File

@ -156,7 +156,7 @@ do_printing (GtkWidget *do_widget)
g_signal_connect (G_OBJECT (operation), "end-print",
G_CALLBACK (end_print), data);
gtk_print_operation_run (operation, GTK_WINDOW (do_widget), &error);
gtk_print_operation_run (operation, GTK_PRINT_OPERATION_ACTION_PRINT_DIALOG, GTK_WINDOW (do_widget), &error);
g_object_unref (operation);

4
gtk/gtk.symbols
View File

@ -2697,14 +2697,12 @@ gtk_print_operation_set_n_pages
gtk_print_operation_set_current_page
gtk_print_operation_set_use_full_page
gtk_print_operation_set_unit
gtk_print_operation_set_show_dialog
gtk_print_operation_set_pdf_target
gtk_print_operation_set_track_print_status
gtk_print_operation_set_show_progress
gtk_print_operation_set_show_preview
gtk_print_operation_set_custom_tab_label
gtk_print_operation_get_error
gtk_print_operation_run
gtk_print_operation_run_async
gtk_print_operation_get_status
gtk_print_operation_get_status_string
gtk_print_operation_is_finished

13
gtk/gtkprintoperation-private.h
View File

@ -27,7 +27,9 @@ G_BEGIN_DECLS
struct _GtkPrintOperationPrivate
{
GtkPrintOperationAction action;
GtkPrintStatus status;
GError *error;
gchar *status_string;
GtkPageSetup *default_page_setup;
GtkPrintSettings *print_settings;
@ -37,11 +39,10 @@ struct _GtkPrintOperationPrivate
GtkUnit unit;
gchar *pdf_target;
guint use_full_page : 1;
guint show_dialog : 1;
guint show_preview : 1;
guint track_print_status : 1;
guint show_progress : 1;
guint cancelled : 1;
guint allow_async : 1;
guint is_sync : 1;
guint print_pages_idle_id;
@ -84,13 +85,15 @@ struct _GtkPrintOperationPrivate
typedef void (* GtkPrintOperationPrintFunc) (GtkPrintOperation *op,
GtkWindow *parent,
gboolean is_preview);
gboolean do_print,
GtkPrintOperationResult result);
GtkPrintOperationResult _gtk_print_operation_platform_backend_run_dialog (GtkPrintOperation *operation,
gboolean show_dialog,
GtkWindow *parent,
gboolean *do_print,
GError **error);
gboolean *do_print);
void _gtk_print_operation_platform_backend_run_dialog_async (GtkPrintOperation *op,
gboolean show_dialog,
GtkWindow *parent,
GtkPrintOperationPrintFunc print_cb);
void _gtk_print_operation_platform_backend_launch_preview (GtkPrintOperation *op,

29
gtk/gtkprintoperation-unix.c
View File

@ -350,7 +350,6 @@ typedef struct
{
GtkPrintOperation *op;
gboolean do_print;
GError **error;
GtkPrintOperationResult result;
GtkPrintOperationPrintFunc print_cb;
GDestroyNotify destroy;
@ -391,7 +390,7 @@ finish_print (PrintResponseData *rdata,
GtkPrintOperationUnix *op_unix;
cairo_t *cr;
op_unix = g_new0 (GtkPrintOperationUnix, 1);
op_unix = g_new0 (GtkPrintOperationUnix, 1);
priv->platform_data = op_unix;
priv->free_platform_data = (GDestroyNotify) op_unix_free;
op_unix->parent = rdata->parent;
@ -404,9 +403,10 @@ finish_print (PrintResponseData *rdata,
op_unix->job = job;
gtk_print_job_set_track_print_status (job, priv->track_print_status);
op_unix->surface = gtk_print_job_get_surface (job, rdata->error);
op_unix->surface = gtk_print_job_get_surface (job, &priv->error);
if (op_unix->surface == NULL)
{
rdata->result = GTK_PRINT_OPERATION_RESULT_ERROR;
rdata->do_print = FALSE;
goto out;
}
@ -435,12 +435,7 @@ finish_print (PrintResponseData *rdata,
}
out:
if (rdata->print_cb)
{
if (rdata->do_print)
rdata->print_cb (op, rdata->parent, is_preview);
else
_gtk_print_operation_set_status (op, GTK_PRINT_STATUS_FINISHED_ABORTED, NULL);
}
rdata->print_cb (op, rdata->do_print, rdata->parent, rdata->result);
if (rdata->destroy)
rdata->destroy (rdata);
@ -504,10 +499,7 @@ found_printer (GtkPrinter *printer,
if (printer != NULL)
{
if (priv->show_preview)
rdata->result = GTK_PRINT_OPERATION_RESULT_PREVIEW;
else
rdata->result = GTK_PRINT_OPERATION_RESULT_APPLY;
rdata->result = GTK_PRINT_OPERATION_RESULT_APPLY;
rdata->do_print = TRUE;
@ -536,6 +528,7 @@ found_printer (GtkPrinter *printer,
void
_gtk_print_operation_platform_backend_run_dialog_async (GtkPrintOperation *op,
gboolean show_dialog,
GtkWindow *parent,
GtkPrintOperationPrintFunc print_cb)
{
@ -547,13 +540,12 @@ _gtk_print_operation_platform_backend_run_dialog_async (GtkPrintOperation
rdata->op = g_object_ref (op);
rdata->do_print = FALSE;
rdata->result = GTK_PRINT_OPERATION_RESULT_CANCEL;
rdata->error = NULL;
rdata->print_cb = print_cb;
rdata->parent = parent;
rdata->loop = NULL;
rdata->destroy = print_response_data_free;
if (op->priv->show_dialog)
if (show_dialog)
{
pd = get_print_dialog (op, parent);
gtk_window_set_modal (GTK_WINDOW (pd), TRUE);
@ -608,9 +600,9 @@ _gtk_print_operation_platform_backend_resize_preview_surface (GtkPrintOperation
GtkPrintOperationResult
_gtk_print_operation_platform_backend_run_dialog (GtkPrintOperation *op,
gboolean show_dialog,
GtkWindow *parent,
gboolean *do_print,
GError **error)
gboolean *do_print)
{
GtkWidget *pd;
PrintResponseData rdata;
@ -620,13 +612,12 @@ _gtk_print_operation_platform_backend_run_dialog (GtkPrintOperation *op,
rdata.op = op;
rdata.do_print = FALSE;
rdata.result = GTK_PRINT_OPERATION_RESULT_CANCEL;
rdata.error = error;
rdata.print_cb = NULL;
rdata.destroy = NULL;
rdata.parent = parent;
rdata.loop = NULL;
if (op->priv->show_dialog)
if (show_dialog)
{
pd = get_print_dialog (op, parent);

373
gtk/gtkprintoperation.c
View File

@ -37,6 +37,7 @@
#define GTK_PRINT_OPERATION_GET_PRIVATE(obj)(G_TYPE_INSTANCE_GET_PRIVATE ((obj), GTK_TYPE_PRINT_OPERATION, GtkPrintOperationPrivate))
enum {
DONE,
BEGIN_PRINT,
PAGINATE,
REQUEST_PAGE_SETUP,
@ -59,9 +60,8 @@ enum {
PROP_USE_FULL_PAGE,
PROP_TRACK_PRINT_STATUS,
PROP_UNIT,
PROP_SHOW_DIALOG,
PROP_SHOW_PREVIEW,
PROP_SHOW_PROGRESS,
PROP_ALLOW_ASYNC,
PROP_PDF_TARGET,
PROP_STATUS,
PROP_STATUS_STRING,
@ -128,6 +128,9 @@ gtk_print_operation_finalize (GObject *object)
if (priv->show_progress_timeout_id > 0)
g_source_remove (priv->show_progress_timeout_id);
if (priv->error)
g_error_free (priv->error);
G_OBJECT_CLASS (gtk_print_operation_parent_class)->finalize (object);
}
@ -146,8 +149,6 @@ gtk_print_operation_init (GtkPrintOperation *operation)
priv->nr_of_pages = -1;
priv->current_page = -1;
priv->use_full_page = FALSE;
priv->show_dialog = TRUE;
priv->show_preview = FALSE;
priv->show_progress = FALSE;
priv->pdf_target = NULL;
priv->track_print_status = FALSE;
@ -183,6 +184,9 @@ preview_iface_end_preview (GtkPrintOperationPreview *preview)
g_main_loop_quit (op->priv->rloop);
op->priv->end_run (op, op->priv->is_sync, TRUE);
g_signal_emit (op, signals[DONE], 0,
GTK_PRINT_OPERATION_RESULT_APPLY);
}
static gboolean
@ -282,11 +286,8 @@ gtk_print_operation_set_property (GObject *object,
case PROP_UNIT:
gtk_print_operation_set_unit (op, g_value_get_enum (value));
break;
case PROP_SHOW_DIALOG:
gtk_print_operation_set_show_dialog (op, g_value_get_boolean (value));
break;
case PROP_SHOW_PREVIEW:
gtk_print_operation_set_show_preview (op, g_value_get_boolean (value));
case PROP_ALLOW_ASYNC:
gtk_print_operation_set_allow_async (op, g_value_get_boolean (value));
break;
case PROP_SHOW_PROGRESS:
gtk_print_operation_set_show_progress (op, g_value_get_boolean (value));
@ -338,11 +339,8 @@ gtk_print_operation_get_property (GObject *object,
case PROP_UNIT:
g_value_set_enum (value, priv->unit);
break;
case PROP_SHOW_DIALOG:
g_value_set_boolean (value, priv->show_dialog);
break;
case PROP_SHOW_PREVIEW:
g_value_set_boolean (value, priv->show_preview);
case PROP_ALLOW_ASYNC:
g_value_set_boolean (value, priv->allow_async);
break;
case PROP_SHOW_PROGRESS:
g_value_set_boolean (value, priv->show_progress);
@ -547,6 +545,31 @@ gtk_print_operation_class_init (GtkPrintOperationClass *class)
g_type_class_add_private (gobject_class, sizeof (GtkPrintOperationPrivate));
/**
* GtkPrintOperation::done:
* @operation: the #GtkPrintOperation on which the signal was emitted
* @result: the result of the print operation
*
* Gets emitted when the print operation run has finished doing
* everything required for printing. @result gives you information
* about what happened during the run. If @result is
* GTK_PRINT_OPERATION_RESULT_ERROR then you can call
* gtk_print_operation_get_error() for more information.
*
* If you enabled print status tracking then gtk_print_operation_is_finished()
* may still return false after this was emitted.
*
* Since: 2.10
*/
signals[DONE] =
g_signal_new (I_("done"),
G_TYPE_FROM_CLASS (gobject_class),
G_SIGNAL_RUN_LAST,
G_STRUCT_OFFSET (GtkPrintOperationClass, done),
NULL, NULL,
g_cclosure_marshal_VOID__INT,
G_TYPE_NONE, 1, G_TYPE_INT);
/**
* GtkPrintOperation::begin-print:
* @operation: the #GtkPrintOperation on which the signal was emitted
@ -980,38 +1003,6 @@ gtk_print_operation_class_init (GtkPrintOperationClass *class)
GTK_UNIT_PIXEL,
GTK_PARAM_READWRITE));
/**
* GtkPrintOperation:show-dialog:
*
* Determines whether calling gtk_print_operation_run() will present
* a print dialog to the user, or just print to the default printer.
*
* Since: 2.10
*/
g_object_class_install_property (gobject_class,
PROP_SHOW_DIALOG,
g_param_spec_boolean ("show-dialog",
P_("Show Dialog"),
P_("TRUE if gtk_print_operation_run() should show the print dialog."),
TRUE,
GTK_PARAM_READWRITE));
/**
* GtkPrintOperation:show-preview:
*
* Determines whether calling gtk_print_operation_run() will present
* the print preview to the user.
*
* Since: 2.10
*/
g_object_class_install_property (gobject_class,
PROP_SHOW_PREVIEW,
g_param_spec_boolean ("show-preview",
P_("Show Preview"),
P_("TRUE if gtk_print_operation_run() should show the print preview."),
TRUE,
GTK_PARAM_READWRITE));
/**
* GtkPrintOperation:show-progress:
@ -1028,7 +1019,24 @@ gtk_print_operation_class_init (GtkPrintOperationClass *class)
P_("TRUE if a progress dialog is shown while printing."),
FALSE,
GTK_PARAM_READWRITE));
/**
* GtkPrintOperation:allow-async:
*
* Determines whether the print operation may run asynchronous or not.
* Some systems don't support asynchronous printing, but those that do
* will return GTK_PRINT_OPERATION_RESULT_IN_PROGRESS as the status, and
* emit the done signal when the operation is actually done.
*
* Since: 2.10
*/
g_object_class_install_property (gobject_class,
PROP_ALLOW_ASYNC,
g_param_spec_boolean ("allow-async",
P_("Allow Async"),
P_("TRUE if print process may run asynchronous."),
FALSE,
GTK_PARAM_READWRITE));
/**
* GtkPrintOperation:pdf-target:
@ -1548,6 +1556,10 @@ gtk_print_operation_get_status_string (GtkPrintOperation *op)
* is finished, either successfully (%GTK_PRINT_STATUS_FINISHED)
* or unsuccessfully (%GTK_PRINT_STATUS_FINISHED_ABORTED).
*
* Note: when you enable print status tracking the print operation
* can be in a non-finished state even after done has been called, as
* the operation status then tracks the print job status on the printer.
*
* Return value: %TRUE, if the print operation is finished.
*
* Since: 2.10
@ -1565,67 +1577,6 @@ gtk_print_operation_is_finished (GtkPrintOperation *op)
priv->status == GTK_PRINT_STATUS_FINISHED;
}
/**
* gtk_print_operation_set_show_dialog:
* @op: a #GtkPrintOperation
* @show_dialog: %TRUE to show the print dialog
*
* Sets whether calling gtk_print_operation_run() will present
* a print dialog to the user, or just print to the default printer.
*
* Since: 2.10
*/
void
gtk_print_operation_set_show_dialog (GtkPrintOperation *op,
gboolean show_dialog)
{
GtkPrintOperationPrivate *priv;
g_return_if_fail (GTK_IS_PRINT_OPERATION (op));
priv = op->priv;
show_dialog = show_dialog != FALSE;
if (priv->show_dialog != show_dialog)
{
priv->show_dialog = show_dialog;
g_object_notify (G_OBJECT (op), "show-dialog");
}
}
/**
* gtk_print_operation_set_show_preview:
* @op: a #GtkPrintOperation
* @show_preview: %TRUE to show the print preview
*
* Sets whether calling gtk_print_operation_run() will present
* the print preview to the user.
*
* Since: 2.10
*/
void
gtk_print_operation_set_show_preview (GtkPrintOperation *op,
gboolean show_preview)
{
GtkPrintOperationPrivate *priv;
g_return_if_fail (GTK_IS_PRINT_OPERATION (op));
priv = op->priv;
show_preview = show_preview != FALSE;
if (priv->show_preview != show_preview)
{
priv->show_preview = show_preview;
g_object_notify (G_OBJECT (op), "show-preview");
}
}
/**
* gtk_print_operation_set_show_progress:
* @op: a #GtkPrintOperation
@ -1656,6 +1607,27 @@ gtk_print_operation_set_show_progress (GtkPrintOperation *op,
}
}
void
gtk_print_operation_set_allow_async (GtkPrintOperation *op,
gboolean allow_async)
{
GtkPrintOperationPrivate *priv;
g_return_if_fail (GTK_IS_PRINT_OPERATION (op));
priv = op->priv;
allow_async = allow_async != FALSE;
if (priv->allow_async != allow_async)
{
priv->allow_async = allow_async;
g_object_notify (G_OBJECT (op), "allow-async");
}
}
/**
* gtk_print_operation_set_custom_tag_label:
* @op: a #GtkPrintOperation
@ -1801,18 +1773,21 @@ pdf_end_run (GtkPrintOperation *op,
static GtkPrintOperationResult
run_pdf (GtkPrintOperation *op,
GtkWindow *parent,
gboolean *do_print,
GError **error)
gboolean *do_print)
{
GtkPrintOperationPrivate *priv = op->priv;
GtkPageSetup *page_setup;
cairo_surface_t *surface;
cairo_t *cr;
double width, height;
/* This will be overwritten later by the non-default size, but
we need to pass some size: */
priv->print_context = _gtk_print_context_new (op);
page_setup = create_page_setup (op);
_gtk_print_context_set_page_setup (priv->print_context, page_setup);
/* This will be overwritten later by the non-default size, but
we need to pass some size: */
width = gtk_page_setup_get_paper_width (page_setup, GTK_UNIT_POINTS);
height = gtk_page_setup_get_paper_height (page_setup, GTK_UNIT_POINTS);
g_object_unref (page_setup);
@ -1939,11 +1914,17 @@ print_pages_idle_done (gpointer user_data)
if (data->progress)
gtk_widget_destroy (data->progress);
g_object_unref (data->op);
if (priv->rloop && !data->is_preview)
if (priv->rloop && !data->is_preview)
g_main_loop_quit (priv->rloop);
if (!data->is_preview)
g_signal_emit (data->op, signals[DONE], 0,
priv->cancelled ?
GTK_PRINT_OPERATION_RESULT_CANCEL :
GTK_PRINT_OPERATION_RESULT_APPLY);
g_object_unref (data->op);
g_free (data);
GDK_THREADS_LEAVE ();
@ -2194,16 +2175,23 @@ show_progress_timeout (PrintPagesData *data)
static void
print_pages (GtkPrintOperation *op,
GtkWindow *parent,
gboolean is_preview)
gboolean do_print,
GtkPrintOperationResult result)
{
GtkPrintOperationPrivate *priv = op->priv;
PrintPagesData *data;
if (!do_print) {
_gtk_print_operation_set_status (op, GTK_PRINT_STATUS_FINISHED_ABORTED, NULL);
g_signal_emit (op, signals[DONE], 0, result);
return;
}
_gtk_print_operation_set_status (op, GTK_PRINT_STATUS_PREPARING, NULL);
data = g_new0 (PrintPagesData, 1);
data->op = g_object_ref (op);
data->is_preview = is_preview;
data->is_preview = (result == GTK_PRINT_OPERATION_RESULT_PREVIEW);
if (priv->show_progress)
{
@ -2224,7 +2212,7 @@ print_pages (GtkPrintOperation *op,
data->progress = progress;
}
if (is_preview)
if (data->is_preview)
{
gboolean handled;
@ -2259,10 +2247,8 @@ print_pages (GtkPrintOperation *op,
print_pages_idle,
data,
print_pages_idle_done);
/* Recursive main loop to make sure we don't exit
* on sync operations
*/
/* Recursive main loop to make sure we don't exit on sync operations */
if (priv->is_sync)
{
priv->rloop = g_main_loop_new (NULL, FALSE);
@ -2276,9 +2262,32 @@ print_pages (GtkPrintOperation *op,
}
}
/**
* gtk_print_operation_get_error:
* @op: a #GtkPrintOperation
*
* Call this when the result of a print operation is
* GTK_PRINT_OPERATION_RESULT_ERROR, either as returned by gtk_print_operation_run (),
* or in the ::done signal handler. The returned #GError will contain more details
* on what went wrong.
*
* Return value: a GError representing the error, or NULL
*
* Since: 2.10
**/
GError *
gtk_print_operation_get_error (GtkPrintOperation *op)
{
g_return_val_if_fail (GTK_IS_PRINT_OPERATION (op), NULL);
return op->priv->error;
}
/**
* gtk_print_operation_run:
* @op: a #GtkPrintOperation
* @action: the action to start
* @parent: Transient parent of the dialog, or %NULL
* @error: Return location for errors, or %NULL
*
@ -2286,11 +2295,16 @@ print_pages (GtkPrintOperation *op,
* print settings in the print dialog, and then print the
* document.
*
* Note that this function does not return until the rendering of all
* Normally that this function does not return until the rendering of all
* pages is complete. You can connect to the ::status-changed signal on
* @op to obtain some information about the progress of the print operation.
* Furthermore, it may use a recursive mainloop to show the print dialog.
* See gtk_print_operation_run_async() if this is a problem.
*
* If you call gtk_print_operation_set_allow_async () or set the allow-async
* property the operation will run asyncronously if this is supported on the
* platform. The ::done signal will be emitted with the operation results when
* the operation is done (i.e. when the dialog is canceled, or when the print
* succeeds or fails).
*
* <informalexample><programlisting>
* if (settings != NULL)
@ -2304,7 +2318,7 @@ print_pages (GtkPrintOperation *op,
* g_signal_connect (print, "draw-page",
* G_CALLBACK (draw_page), &amp;data);
*
* res = gtk_print_operation_run (print, parent, &amp;error);
* res = gtk_print_operation_run (print, GTK_PRINT_OPERATION_ACTION_PRINT_DIALOG, parent, &amp;error);
*
* if (res == GTK_PRINT_OPERATION_RESULT_ERROR)
* {
@ -2331,85 +2345,78 @@ print_pages (GtkPrintOperation *op,
* %GTK_PRINT_OPERATION_RESULT_APPLY indicates that the printing was
* completed successfully. In this case, it is a good idea to obtain
* the used print settings with gtk_print_operation_get_print_settings()
* and store them for reuse with the next print operation.
* and store them for reuse with the next print operation. A value of
* %GTK_PRINT_OPERATION_RESULT_IN_PROGRESS means the operation is running
* asynchronously, and will emit the ::done signal when done.
*
* Since: 2.10
**/
GtkPrintOperationResult
gtk_print_operation_run (GtkPrintOperation *op,
GtkPrintOperationAction action,
GtkWindow *parent,
GError **error)
GError **opt_error)
{
GtkPrintOperationPrivate *priv;
GtkPrintOperationResult result;
GtkPageSetup *page_setup;
gboolean do_print;
g_return_val_if_fail (GTK_IS_PRINT_OPERATION (op),
GTK_PRINT_OPERATION_RESULT_ERROR);
priv = op->priv;
priv->is_sync = TRUE;
if (priv->pdf_target != NULL)
result = run_pdf (op, parent, &do_print, error);
else
result = _gtk_print_operation_platform_backend_run_dialog (op,
parent,
&do_print,
error);
if (do_print)
print_pages (op, parent, result == GTK_PRINT_OPERATION_RESULT_PREVIEW);
else
_gtk_print_operation_set_status (op, GTK_PRINT_STATUS_FINISHED_ABORTED, NULL);
do_print = FALSE;
priv->error = NULL;
priv->action = action;
return result;
}
/**
* gtk_print_operation_run_async:
* @op: a #GtkPrintOperation
* @parent: Transient parent of the dialog, or %NULL
*
* Runs the print operation, by first letting the user modify
* print settings in the print dialog, and then print the
* document.
*
* In contrast to gtk_print_operation_run(), this function returns after
* showing the print dialog on platforms that support this, and handles
* the printing by connecting a signal handler to the ::response signal
* of the dialog.
*
* If you use this function, it is recommended that you store the modified
* #GtkPrintSettings in a ::begin-print or ::end-print signal handler.
*
* Since: 2.10
**/
void
gtk_print_operation_run_async (GtkPrintOperation *op,
GtkWindow *parent)
{
GtkPrintOperationPrivate *priv;
gboolean do_print;
g_return_if_fail (GTK_IS_PRINT_OPERATION (op));
priv = op->priv;
priv->is_sync = FALSE;
if (priv->pdf_target != NULL)
if (priv->print_settings == NULL)
priv->print_settings = gtk_print_settings_new ();
if (action == GTK_PRINT_OPERATION_ACTION_EXPORT)
{
run_pdf (op, parent, &do_print, NULL);
if (do_print)
print_pages (op, parent, FALSE);
else
_gtk_print_operation_set_status (op, GTK_PRINT_STATUS_FINISHED_ABORTED, NULL);
priv->is_sync = TRUE;
g_return_val_if_fail (priv->pdf_target != NULL, GTK_PRINT_OPERATION_RESULT_ERROR);
result = run_pdf (op, parent, &do_print);
}
else if (action == GTK_PRINT_OPERATION_ACTION_PREVIEW)
{
priv->print_context = _gtk_print_context_new (op);
page_setup = create_page_setup (op);
_gtk_print_context_set_page_setup (priv->print_context, page_setup);
g_object_unref (page_setup);
do_print = TRUE;
result = GTK_PRINT_OPERATION_RESULT_PREVIEW;
priv->is_sync = !priv->allow_async;
}
else if (priv->allow_async)
{
priv->is_sync = FALSE;
_gtk_print_operation_platform_backend_run_dialog_async (op,
action == GTK_PRINT_OPERATION_ACTION_PRINT_DIALOG,
parent,
print_pages);
result = GTK_PRINT_OPERATION_RESULT_IN_PROGRESS;
}
else
_gtk_print_operation_platform_backend_run_dialog_async (op,
parent,
print_pages);
}
{
priv->is_sync = TRUE;
result = _gtk_print_operation_platform_backend_run_dialog (op,
action == GTK_PRINT_OPERATION_ACTION_PRINT_DIALOG,
parent,
&do_print);
}
if (result != GTK_PRINT_OPERATION_RESULT_IN_PROGRESS)
print_pages (op, parent, do_print, result);
if (priv->error && opt_error)
*opt_error = g_error_copy (priv->error);
return result;
}
/**
* gtk_print_operation_cancel:

35
gtk/gtkprintoperation.h
View File

@ -56,6 +56,22 @@ typedef enum {
GTK_PRINT_STATUS_FINISHED_ABORTED
} GtkPrintStatus;
typedef enum {
GTK_PRINT_OPERATION_RESULT_ERROR,
GTK_PRINT_OPERATION_RESULT_APPLY,
GTK_PRINT_OPERATION_RESULT_CANCEL,
GTK_PRINT_OPERATION_RESULT_PREVIEW,
GTK_PRINT_OPERATION_RESULT_IN_PROGRESS
} GtkPrintOperationResult;
typedef enum {
GTK_PRINT_OPERATION_ACTION_PRINT_DIALOG,
GTK_PRINT_OPERATION_ACTION_PRINT,
GTK_PRINT_OPERATION_ACTION_PREVIEW,
GTK_PRINT_OPERATION_ACTION_EXPORT,
} GtkPrintOperationAction;
struct _GtkPrintOperation
{
GObject parent_instance;
@ -67,6 +83,8 @@ struct _GtkPrintOperationClass
{
GObjectClass parent_class;
void (*done) (GtkPrintOperation *operation,
GtkPrintOperationResult result);
void (*begin_print) (GtkPrintOperation *operation,
GtkPrintContext *context);
gboolean (*paginate) (GtkPrintOperation *operation,
@ -102,13 +120,6 @@ struct _GtkPrintOperationClass
void (*_gtk_reserved7) (void);
};
typedef enum {
GTK_PRINT_OPERATION_RESULT_ERROR,
GTK_PRINT_OPERATION_RESULT_APPLY,
GTK_PRINT_OPERATION_RESULT_CANCEL,
GTK_PRINT_OPERATION_RESULT_PREVIEW
} GtkPrintOperationResult;
#define GTK_PRINT_ERROR gtk_print_error_quark ()
typedef enum
@ -138,23 +149,21 @@ void gtk_print_operation_set_use_full_page (GtkPrintOper
gboolean full_page);
void gtk_print_operation_set_unit (GtkPrintOperation *op,
GtkUnit unit);
void gtk_print_operation_set_show_dialog (GtkPrintOperation *op,
gboolean show_dialog);
void gtk_print_operation_set_show_preview (GtkPrintOperation *op,
gboolean show_preview);
void gtk_print_operation_set_pdf_target (GtkPrintOperation *op,
const gchar *filename);
void gtk_print_operation_set_track_print_status (GtkPrintOperation *op,
gboolean track_status);
void gtk_print_operation_set_show_progress (GtkPrintOperation *op,
gboolean show_progress);
void gtk_print_operation_set_allow_async (GtkPrintOperation *op,
gboolean allow_async);
void gtk_print_operation_set_custom_tab_label (GtkPrintOperation *op,
const gchar *label);
GtkPrintOperationResult gtk_print_operation_run (GtkPrintOperation *op,
GtkPrintOperationAction action,
GtkWindow *parent,
GError **error);
void gtk_print_operation_run_preview (GtkPrintOperation *op,
GtkWindow *parent);
GError * gtk_print_operation_get_error (GtkPrintOperation *op);
GtkPrintStatus gtk_print_operation_get_status (GtkPrintOperation *op);
G_CONST_RETURN gchar * gtk_print_operation_get_status_string (GtkPrintOperation *op);
gboolean gtk_print_operation_is_finished (GtkPrintOperation *op);

96
tests/print-editor.c
View File

@ -603,18 +603,57 @@ do_preview (GtkPrintOperation *op,
return TRUE;
}
/* FIXME had to move this to the heap, since previewing
* returns too early from the sync api
*/
PrintData *print_data;
static void
print_done (GtkPrintOperation *op,
GtkPrintOperationResult res,
PrintData *print_data)
{
GError *error;
if (res == GTK_PRINT_OPERATION_RESULT_ERROR)
{
GtkWidget *error_dialog;
error = gtk_print_operation_get_error (op);
error_dialog = gtk_message_dialog_new (GTK_WINDOW (main_window),
GTK_DIALOG_DESTROY_WITH_PARENT,
GTK_MESSAGE_ERROR,
GTK_BUTTONS_CLOSE,
"Error printing file:\n%s",
error ? error->message : "no details");
g_signal_connect (error_dialog, "response", G_CALLBACK (gtk_widget_destroy), NULL);
gtk_widget_show (error_dialog);
}
else if (res == GTK_PRINT_OPERATION_RESULT_APPLY)
{
if (settings != NULL)
g_object_unref (settings);
settings = g_object_ref (gtk_print_operation_get_print_settings (op));
}
g_free (print_data->text);
g_free (print_data->font);
g_free (print_data);
if (!gtk_print_operation_is_finished (op))
{
g_object_ref (op);
active_prints = g_list_append (active_prints, op);
update_statusbar ();
/* This ref is unref:ed when we get the final state change */
g_signal_connect (op, "status_changed",
G_CALLBACK (status_changed_cb), NULL);
}
}
static void
do_print (GtkAction *action)
{
GtkWidget *error_dialog;
GtkPrintOperation *print;
GtkPrintOperationResult res;
GError *error;
PrintData *print_data;
print_data = g_new0 (PrintData, 1);
@ -637,49 +676,16 @@ do_print (GtkAction *action)
g_signal_connect (print, "custom_widget_apply", G_CALLBACK (custom_widget_apply), print_data);
g_signal_connect (print, "preview", G_CALLBACK (do_preview), print_data);
error = NULL;
g_signal_connect (print, "done", G_CALLBACK (print_done), print_data);
#if 1
res = gtk_print_operation_run (print, GTK_WINDOW (main_window), &error);
gtk_print_operation_set_pdf_target (print, "test.pdf");
if (res == GTK_PRINT_OPERATION_RESULT_ERROR)
{
error_dialog = gtk_message_dialog_new (GTK_WINDOW (main_window),
GTK_DIALOG_DESTROY_WITH_PARENT,
GTK_MESSAGE_ERROR,
GTK_BUTTONS_CLOSE,
"Error printing file:\n%s",
error ? error->message : "no details");
g_signal_connect (error_dialog, "response", G_CALLBACK (gtk_widget_destroy), NULL);
gtk_widget_show (error_dialog);
g_error_free (error);
}
else if (res == GTK_PRINT_OPERATION_RESULT_APPLY)
{
if (settings != NULL)
g_object_unref (settings);
settings = g_object_ref (gtk_print_operation_get_print_settings (print));
}
if (!gtk_print_operation_is_finished (print))
{
g_object_ref (print);
active_prints = g_list_append (active_prints, print);
update_statusbar ();
/* This ref is unref:ed when we get the final state change */
g_signal_connect (print, "status_changed",
G_CALLBACK (status_changed_cb), NULL);
}
#else
gtk_print_operation_run_async (print, GTK_WINDOW (main_window));
#if 0
gtk_print_operation_set_allow_async (print, TRUE);
#endif
gtk_print_operation_run (print, GTK_PRINT_OPERATION_ACTION_PREVIEW, GTK_WINDOW (main_window), NULL);
g_object_unref (print);
#if 0
g_free (print_data.text);
g_free (print_data.font);
#endif
}
static void

3
tests/testnouiprint.c
View File

@ -99,9 +99,8 @@ main (int argc, char **argv)
gtk_print_operation_set_print_settings (print, settings);
gtk_print_operation_set_n_pages (print, 1);
gtk_print_operation_set_unit (print, GTK_UNIT_MM);
gtk_print_operation_set_show_dialog (print, FALSE);
g_signal_connect (print, "draw_page", G_CALLBACK (draw_page), NULL);
res = gtk_print_operation_run (print, NULL, NULL);
res = gtk_print_operation_run (print, GTK_PRINT_OPERATION_ACTION_PRINT, NULL, NULL);
return 0;
}

4
tests/testprint.c
View File

@ -111,13 +111,13 @@ main (int argc, char **argv)
gtk_print_operation_set_pdf_target (print, "test.pdf");
g_signal_connect (print, "draw_page", G_CALLBACK (draw_page), NULL);
g_signal_connect (print, "request_page_setup", G_CALLBACK (request_page_setup), NULL);
res = gtk_print_operation_run (print, NULL, NULL);
res = gtk_print_operation_run (print, GTK_PRINT_OPERATION_ACTION_EXPORT, NULL, NULL);
/* Test subclassing of GtkPrintOperation */
print_file = test_print_file_operation_new ("testprint.c");
test_print_file_operation_set_font_size (print_file, 12.0);
gtk_print_operation_set_pdf_target (GTK_PRINT_OPERATION (print_file), "test2.pdf");
res = gtk_print_operation_run (GTK_PRINT_OPERATION (print_file), NULL, NULL);
res = gtk_print_operation_run (GTK_PRINT_OPERATION (print_file), GTK_PRINT_OPERATION_ACTION_EXPORT, NULL, NULL);
return 0;
}