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gimp/app/widgets/gimpsessioninfo.c

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/* GIMP - The GNU Image Manipulation Program
* Copyright (C) 1995 Spencer Kimball and Peter Mattis
*
* gimpsessioninfo.c
* Copyright (C) 2001-2008 Michael Natterer <mitch@gimp.org>
*
* 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 3 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, see <http://www.gnu.org/licenses/>.
*/
#include "config.h"
#include <string.h>
#include <gtk/gtk.h>
#include "libgimpconfig/gimpconfig.h"
#include "widgets-types.h"
#include "config/gimpguiconfig.h"
#include "core/gimp.h"
#include "core/gimpcontext.h"
#include "gimpdialogfactory.h"
#include "gimpdock.h"
#include "gimpdockwindow.h"
#include "gimpsessioninfo.h"
#include "gimpsessioninfo-aux.h"
#include "gimpsessioninfo-book.h"
#include "gimpsessioninfo-dock.h"
#include "gimpsessioninfo-private.h"
#include "gimp-log.h"
enum
{
SESSION_INFO_FACTORY_ENTRY,
SESSION_INFO_POSITION,
SESSION_INFO_SIZE,
SESSION_INFO_OPEN,
SESSION_INFO_AUX,
SESSION_INFO_DOCK,
SESSION_INFO_GIMP_DOCK,
SESSION_INFO_GIMP_TOOLBOX
};
#define DEFAULT_SCREEN -1
static void gimp_session_info_config_iface_init (GimpConfigInterface *iface);
static void gimp_session_info_finalize (GObject *object);
static gint64 gimp_session_info_get_memsize (GimpObject *object,
gint64 *gui_size);
static gboolean gimp_session_info_serialize (GimpConfig *config,
GimpConfigWriter *writer,
gpointer data);
static gboolean gimp_session_info_deserialize (GimpConfig *config,
GScanner *scanner,
gint nest_level,
gpointer data);
static gboolean gimp_session_info_is_for_dock_window (GimpSessionInfo *info);
G_DEFINE_TYPE_WITH_CODE (GimpSessionInfo, gimp_session_info, GIMP_TYPE_OBJECT,
G_IMPLEMENT_INTERFACE (GIMP_TYPE_CONFIG,
gimp_session_info_config_iface_init))
#define parent_class gimp_session_info_parent_class
static void
gimp_session_info_class_init (GimpSessionInfoClass *klass)
{
GObjectClass *object_class = G_OBJECT_CLASS (klass);
GimpObjectClass *gimp_object_class = GIMP_OBJECT_CLASS (klass);
object_class->finalize = gimp_session_info_finalize;
gimp_object_class->get_memsize = gimp_session_info_get_memsize;
g_type_class_add_private (klass, sizeof (GimpSessionInfoPrivate));
}
static void
gimp_session_info_init (GimpSessionInfo *info)
{
info->p = G_TYPE_INSTANCE_GET_PRIVATE (info,
GIMP_TYPE_SESSION_INFO,
GimpSessionInfoPrivate);
info->p->screen = DEFAULT_SCREEN;
}
static void
gimp_session_info_config_iface_init (GimpConfigInterface *iface)
{
iface->serialize = gimp_session_info_serialize;
iface->deserialize = gimp_session_info_deserialize;
}
static void
gimp_session_info_finalize (GObject *object)
{
GimpSessionInfo *info = GIMP_SESSION_INFO (object);
gimp_session_info_clear_info (info);
G_OBJECT_CLASS (parent_class)->finalize (object);
}
static gint64
gimp_session_info_get_memsize (GimpObject *object,
gint64 *gui_size)
{
#if 0
GimpSessionInfo *info = GIMP_SESSION_INFO (object);
#endif
gint64 memsize = 0;
return memsize + GIMP_OBJECT_CLASS (parent_class)->get_memsize (object,
gui_size);
}
static gboolean
gimp_session_info_serialize (GimpConfig *config,
GimpConfigWriter *writer,
gpointer data)
{
GimpSessionInfo *info = GIMP_SESSION_INFO (config);
GimpSessionInfoClass *klass = GIMP_SESSION_INFO_GET_CLASS (info);
GList *iter = NULL;
gint x_to_write;
gint y_to_write;
gint w_to_write;
gint h_to_write;
if (info->p->factory_entry && info->p->factory_entry->identifier)
{
gimp_config_writer_open (writer, "factory-entry");
gimp_config_writer_string (writer, info->p->factory_entry->identifier);
gimp_config_writer_close (writer);
}
x_to_write = gimp_session_info_class_apply_position_accuracy (klass,
info->p->x);
y_to_write = gimp_session_info_class_apply_position_accuracy (klass,
info->p->y);
w_to_write = gimp_session_info_class_apply_position_accuracy (klass,
info->p->width);
h_to_write = gimp_session_info_class_apply_position_accuracy (klass,
info->p->height);
gimp_config_writer_open (writer, "position");
gimp_config_writer_printf (writer, "%d %d", x_to_write, y_to_write);
gimp_config_writer_close (writer);
if (info->p->width > 0 && info->p->height > 0)
{
gimp_config_writer_open (writer, "size");
gimp_config_writer_printf (writer, "%d %d", w_to_write, h_to_write);
gimp_config_writer_close (writer);
}
if (info->p->open)
{
gimp_config_writer_open (writer, "open-on-exit");
if (info->p->screen != DEFAULT_SCREEN)
gimp_config_writer_printf (writer, "%d", info->p->screen);
gimp_config_writer_close (writer);
}
if (info->p->aux_info)
gimp_session_info_aux_serialize (writer, info->p->aux_info);
for (iter = info->p->docks; iter; iter = g_list_next (iter))
gimp_session_info_dock_serialize (writer, iter->data);
return TRUE;
}
/*
* This function is just like gimp_scanner_parse_int(), but it is allows
* to detect the special value '-0'. This is used as in X geometry strings.
*/
static gboolean
gimp_session_info_parse_offset (GScanner *scanner,
gint *dest,
gboolean *negative)
{
if (g_scanner_peek_next_token (scanner) == '-')
{
*negative = TRUE;
g_scanner_get_next_token (scanner);
}
else
{
*negative = FALSE;
}
if (g_scanner_peek_next_token (scanner) != G_TOKEN_INT)
return FALSE;
g_scanner_get_next_token (scanner);
if (*negative)
*dest = -scanner->value.v_int64;
else
*dest = scanner->value.v_int64;
return TRUE;
}
static gboolean
gimp_session_info_deserialize (GimpConfig *config,
GScanner *scanner,
gint nest_level,
gpointer data)
{
GimpSessionInfo *info = GIMP_SESSION_INFO (config);
GTokenType token;
guint scope_id;
guint old_scope_id;
scope_id = g_type_qname (G_TYPE_FROM_INSTANCE (config));
old_scope_id = g_scanner_set_scope (scanner, scope_id);
g_scanner_scope_add_symbol (scanner, scope_id, "factory-entry",
GINT_TO_POINTER (SESSION_INFO_FACTORY_ENTRY));
g_scanner_scope_add_symbol (scanner, scope_id, "position",
GINT_TO_POINTER (SESSION_INFO_POSITION));
g_scanner_scope_add_symbol (scanner, scope_id, "size",
GINT_TO_POINTER (SESSION_INFO_SIZE));
g_scanner_scope_add_symbol (scanner, scope_id, "open-on-exit",
GINT_TO_POINTER (SESSION_INFO_OPEN));
g_scanner_scope_add_symbol (scanner, scope_id, "aux-info",
GINT_TO_POINTER (SESSION_INFO_AUX));
g_scanner_scope_add_symbol (scanner, scope_id, "gimp-dock",
GINT_TO_POINTER (SESSION_INFO_GIMP_DOCK));
g_scanner_scope_add_symbol (scanner, scope_id, "gimp-toolbox",
GINT_TO_POINTER (SESSION_INFO_GIMP_TOOLBOX));
/* For sessionrc files from version <= GIMP 2.6 */
g_scanner_scope_add_symbol (scanner, scope_id, "dock",
GINT_TO_POINTER (SESSION_INFO_DOCK));
token = G_TOKEN_LEFT_PAREN;
while (g_scanner_peek_next_token (scanner) == token)
{
token = g_scanner_get_next_token (scanner);
switch (token)
{
case G_TOKEN_LEFT_PAREN:
token = G_TOKEN_SYMBOL;
break;
case G_TOKEN_SYMBOL:
switch (GPOINTER_TO_INT (scanner->value.v_symbol))
{
case SESSION_INFO_FACTORY_ENTRY:
{
gchar *identifier = NULL;
GimpDialogFactoryEntry *entry = NULL;
token = G_TOKEN_STRING;
if (! gimp_scanner_parse_string (scanner, &identifier))
goto error;
entry = gimp_dialog_factory_find_entry (gimp_dialog_factory_get_singleton (),
identifier);
if (! entry)
goto error;
gimp_session_info_set_factory_entry (info, entry);
g_free (identifier);
}
break;
case SESSION_INFO_POSITION:
token = G_TOKEN_INT;
if (! gimp_session_info_parse_offset (scanner,
&info->p->x,
&info->p->right_align))
goto error;
if (! gimp_session_info_parse_offset (scanner,
&info->p->y,
&info->p->bottom_align))
goto error;
break;
case SESSION_INFO_SIZE:
token = G_TOKEN_INT;
if (! gimp_scanner_parse_int (scanner, &info->p->width))
goto error;
if (! gimp_scanner_parse_int (scanner, &info->p->height))
goto error;
break;
case SESSION_INFO_OPEN:
info->p->open = TRUE;
/* the screen number is optional */
if (g_scanner_peek_next_token (scanner) == G_TOKEN_RIGHT_PAREN)
break;
token = G_TOKEN_INT;
if (! gimp_scanner_parse_int (scanner, &info->p->screen))
goto error;
break;
case SESSION_INFO_AUX:
token = gimp_session_info_aux_deserialize (scanner,
&info->p->aux_info);
if (token != G_TOKEN_LEFT_PAREN)
goto error;
break;
case SESSION_INFO_GIMP_TOOLBOX:
case SESSION_INFO_GIMP_DOCK:
case SESSION_INFO_DOCK:
{
GimpSessionInfoDock *dock_info = NULL;
const gchar *identifier = NULL;
/* Handle old sessionrc:s from versions <= GIMP 2.6 */
if (GPOINTER_TO_INT (scanner->value.v_symbol) == SESSION_INFO_DOCK &&
info->p->factory_entry &&
info->p->factory_entry->identifier &&
strcmp ("gimp-toolbox-window", info->p->factory_entry->identifier) == 0)
{
identifier = "gimp-toolbox";
}
else
{
identifier = ((GPOINTER_TO_INT (scanner->value.v_symbol) ==
SESSION_INFO_GIMP_TOOLBOX) ?
"gimp-toolbox" :
"gimp-dock");
}
g_scanner_set_scope (scanner, scope_id + 1);
token = gimp_session_info_dock_deserialize (scanner, scope_id + 1,
&dock_info,
identifier);
if (token == G_TOKEN_LEFT_PAREN)
{
g_scanner_set_scope (scanner, scope_id);
info->p->docks = g_list_append (info->p->docks, dock_info);
}
else
goto error;
}
break;
default:
break;
}
token = G_TOKEN_RIGHT_PAREN;
break;
case G_TOKEN_RIGHT_PAREN:
token = G_TOKEN_LEFT_PAREN;
break;
default:
break;
}
}
error:
/* If we don't have docks, assume it is a toolbox dock window from a
* sessionrc file from GIMP <= 2.6 and add a toolbox dock manually
*/
if (! info->p->docks &&
strcmp ("gimp-toolbox-window",
info->p->factory_entry->identifier) == 0)
{
info->p->docks =
g_list_append (info->p->docks,
gimp_session_info_dock_new ("gimp-toolbox"));
}
g_scanner_scope_remove_symbol (scanner, scope_id, "factory-entry");
g_scanner_scope_remove_symbol (scanner, scope_id, "position");
g_scanner_scope_remove_symbol (scanner, scope_id, "size");
g_scanner_scope_remove_symbol (scanner, scope_id, "open-on-exit");
g_scanner_scope_remove_symbol (scanner, scope_id, "aux-info");
g_scanner_scope_remove_symbol (scanner, scope_id, "gimp-dock");
g_scanner_scope_remove_symbol (scanner, scope_id, "gimp-toolbox");
g_scanner_scope_remove_symbol (scanner, scope_id, "dock");
g_scanner_set_scope (scanner, old_scope_id);
return gimp_config_deserialize_return (scanner, token, nest_level);
}
/**
* gimp_session_info_is_for_dock_window:
* @info:
*
* Helper function to determine if the session info is for a dock. It
* uses the dialog factory entry state and the associated widget state
* if any to determine that.
*
* Returns: %TRUE if session info is for a dock, %FALSE otherwise.
**/
static gboolean
gimp_session_info_is_for_dock_window (GimpSessionInfo *info)
{
gboolean entry_state_for_dock = info->p->factory_entry == NULL;
gboolean widget_state_for_dock = (info->p->widget == NULL ||
GIMP_IS_DOCK_WINDOW (info->p->widget));
return entry_state_for_dock && widget_state_for_dock;
}
/* public functions */
GimpSessionInfo *
gimp_session_info_new (void)
{
return g_object_new (GIMP_TYPE_SESSION_INFO, NULL);
}
void
gimp_session_info_restore (GimpSessionInfo *info,
GimpDialogFactory *factory)
{
GtkWidget *dialog = NULL;
GdkDisplay *display = NULL;
GdkScreen *screen = NULL;
GList *iter = NULL;
g_return_if_fail (GIMP_IS_SESSION_INFO (info));
g_return_if_fail (GIMP_IS_DIALOG_FACTORY (factory));
display = gdk_display_get_default ();
if (info->p->screen != DEFAULT_SCREEN)
screen = gdk_display_get_screen (display, info->p->screen);
if (! screen)
screen = gdk_display_get_default_screen (display);
info->p->open = FALSE;
info->p->screen = DEFAULT_SCREEN;
if (info->p->factory_entry &&
! info->p->factory_entry->dockable)
{
GimpCoreConfig *config = gimp_dialog_factory_get_context (factory)->gimp->config;
GIMP_LOG (DIALOG_FACTORY, "restoring toplevel \"%s\" (info %p)",
info->p->factory_entry->identifier,
info);
dialog =
gimp_dialog_factory_dialog_new (factory, screen,
NULL /*ui_manager*/,
info->p->factory_entry->identifier,
info->p->factory_entry->view_size,
! GIMP_GUI_CONFIG (config)->hide_docks);
g_object_set_data (G_OBJECT (dialog), GIMP_DIALOG_VISIBILITY_KEY,
GINT_TO_POINTER (GIMP_GUI_CONFIG (config)->hide_docks ?
GIMP_DIALOG_VISIBILITY_HIDDEN :
GIMP_DIALOG_VISIBILITY_VISIBLE));
if (dialog && info->p->aux_info)
gimp_session_info_aux_set_list (dialog, info->p->aux_info);
}
/* We expect expect there to always be docks. In sessionrc files
* from <= 2.6 not all dock window entries had dock entries, but we
* take care of that during sessionrc parsing
*/
for (iter = info->p->docks; iter; iter = g_list_next (iter))
gimp_session_info_dock_restore ((GimpSessionInfoDock *)iter->data,
factory,
screen,
GIMP_DOCK_WINDOW (dialog));
}
/* This function mostly lifted from
* gtk+/gdk/gdkscreen.c:gdk_screen_get_monitor_at_window()
*/
static gint
gimp_session_info_get_appropriate_monitor (GdkScreen *screen,
gint x,
gint y,
gint w,
gint h)
{
GdkRectangle rect;
gint area = 0;
gint monitor = -1;
gint num_monitors;
gint i;
rect.x = x;
rect.y = y;
rect.width = w;
rect.height = h;
num_monitors = gdk_screen_get_n_monitors (screen);
for (i = 0; i < num_monitors; i++)
{
GdkRectangle geometry;
gdk_screen_get_monitor_geometry (screen, i, &geometry);
if (gdk_rectangle_intersect (&rect, &geometry, &geometry) &&
geometry.width * geometry.height > area)
{
area = geometry.width * geometry.height;
monitor = i;
}
}
if (monitor >= 0)
return monitor;
else
return gdk_screen_get_monitor_at_point (screen,
rect.x + rect.width / 2,
rect.y + rect.height / 2);
}
/**
* gimp_session_info_apply_geometry:
* @info:
*
* Apply the geometry stored in the session info object to the
* associated widget.
**/
void
gimp_session_info_apply_geometry (GimpSessionInfo *info)
{
GdkScreen *screen;
GdkRectangle rect;
gchar geom[32];
gint monitor;
gboolean use_size;
g_return_if_fail (GIMP_IS_SESSION_INFO (info));
g_return_if_fail (GTK_IS_WINDOW (info->p->widget));
screen = gtk_widget_get_screen (info->p->widget);
use_size = (gimp_session_info_get_remember_size (info) &&
info->p->width > 0 &&
info->p->height > 0);
if (use_size)
{
monitor = gimp_session_info_get_appropriate_monitor (screen,
info->p->x,
info->p->y,
info->p->width,
info->p->height);
}
else
{
monitor = gdk_screen_get_monitor_at_point (screen, info->p->x, info->p->y);
}
gdk_screen_get_monitor_geometry (screen, monitor, &rect);
info->p->x = CLAMP (info->p->x,
rect.x,
rect.x + rect.width - (info->p->width > 0 ?
info->p->width : 128));
info->p->y = CLAMP (info->p->y,
rect.y,
rect.y + rect.height - (info->p->height > 0 ?
info->p->height : 128));
if (info->p->right_align && info->p->bottom_align)
{
g_strlcpy (geom, "-0-0", sizeof (geom));
}
else if (info->p->right_align)
{
g_snprintf (geom, sizeof (geom), "-0%+d", info->p->y);
}
else if (info->p->bottom_align)
{
g_snprintf (geom, sizeof (geom), "%+d-0", info->p->x);
}
else
{
g_snprintf (geom, sizeof (geom), "%+d%+d", info->p->x, info->p->y);
}
gtk_window_parse_geometry (GTK_WINDOW (info->p->widget), geom);
if (use_size)
gtk_window_set_default_size (GTK_WINDOW (info->p->widget),
info->p->width, info->p->height);
}
/**
* gimp_session_info_read_geometry:
* @info:
*
* Read geometry related information from the associated widget.
**/
void
gimp_session_info_read_geometry (GimpSessionInfo *info)
{
GdkWindow *window;
g_return_if_fail (GIMP_IS_SESSION_INFO (info));
g_return_if_fail (GTK_IS_WINDOW (info->p->widget));
window = gtk_widget_get_window (info->p->widget);
if (window)
{
gint x, y;
gdk_window_get_root_origin (window, &x, &y);
/* Don't write negative values to the sessionrc, they are
* interpreted as relative to the right, respective bottom edge
* of the screen.
*/
info->p->x = MAX (0, x);
info->p->y = MAX (0, y);
if (gimp_session_info_get_remember_size (info))
{
gdk_drawable_get_size (GDK_DRAWABLE (window),
&info->p->width, &info->p->height);
}
else
{
info->p->width = 0;
info->p->height = 0;
}
}
info->p->open = FALSE;
if (gimp_session_info_get_remember_if_open (info))
{
GimpDialogVisibilityState visibility;
visibility =
GPOINTER_TO_INT (g_object_get_data (G_OBJECT (info->p->widget),
GIMP_DIALOG_VISIBILITY_KEY));
switch (visibility)
{
case GIMP_DIALOG_VISIBILITY_UNKNOWN:
info->p->open = gtk_widget_get_visible (info->p->widget);
break;
case GIMP_DIALOG_VISIBILITY_INVISIBLE:
info->p->open = FALSE;
break;
case GIMP_DIALOG_VISIBILITY_HIDDEN:
case GIMP_DIALOG_VISIBILITY_VISIBLE:
/* Even if a dialog is hidden (with Windows->Hide docks) it
* is still considered open. It will be restored the next
* time GIMP starts
*/
info->p->open = TRUE;
break;
}
}
info->p->screen = DEFAULT_SCREEN;
if (info->p->open)
{
GdkDisplay *display = gtk_widget_get_display (info->p->widget);
GdkScreen *screen = gtk_widget_get_screen (info->p->widget);
if (screen != gdk_display_get_default_screen (display))
info->p->screen = gdk_screen_get_number (screen);
}
}
void
gimp_session_info_get_info (GimpSessionInfo *info)
{
g_return_if_fail (GIMP_IS_SESSION_INFO (info));
g_return_if_fail (GTK_IS_WIDGET (info->p->widget));
gimp_session_info_read_geometry (info);
info->p->aux_info = gimp_session_info_aux_get_list (info->p->widget);
if (GIMP_IS_DOCK_WINDOW (info->p->widget))
{
GList *iter = NULL;
for (iter = gimp_dock_window_get_docks (GIMP_DOCK_WINDOW (info->p->widget));
iter;
iter = g_list_next (iter))
{
GimpDock *dock = GIMP_DOCK (iter->data);
info->p->docks =
g_list_append (info->p->docks,
gimp_session_info_dock_from_widget (dock));
}
}
}
void
gimp_session_info_clear_info (GimpSessionInfo *info)
{
g_return_if_fail (GIMP_IS_SESSION_INFO (info));
if (info->p->aux_info)
{
g_list_foreach (info->p->aux_info,
(GFunc) gimp_session_info_aux_free, NULL);
g_list_free (info->p->aux_info);
info->p->aux_info = NULL;
}
if (info->p->docks)
{
g_list_foreach (info->p->docks,
(GFunc) gimp_session_info_dock_free, NULL);
g_list_free (info->p->docks);
info->p->docks = NULL;
}
}
gboolean
gimp_session_info_is_singleton (GimpSessionInfo *info)
{
g_return_val_if_fail (GIMP_IS_SESSION_INFO (info), FALSE);
return (! gimp_session_info_is_for_dock_window (info) &&
info->p->factory_entry &&
info->p->factory_entry->singleton);
}
gboolean
gimp_session_info_is_session_managed (GimpSessionInfo *info)
{
g_return_val_if_fail (GIMP_IS_SESSION_INFO (info), FALSE);
return (gimp_session_info_is_for_dock_window (info) ||
(info->p->factory_entry &&
info->p->factory_entry->session_managed));
}
gboolean
gimp_session_info_get_remember_size (GimpSessionInfo *info)
{
g_return_val_if_fail (GIMP_IS_SESSION_INFO (info), FALSE);
return (gimp_session_info_is_for_dock_window (info) ||
(info->p->factory_entry &&
info->p->factory_entry->remember_size));
}
gboolean
gimp_session_info_get_remember_if_open (GimpSessionInfo *info)
{
g_return_val_if_fail (GIMP_IS_SESSION_INFO (info), FALSE);
return (gimp_session_info_is_for_dock_window (info) ||
(info->p->factory_entry &&
info->p->factory_entry->remember_if_open));
}
GtkWidget *
gimp_session_info_get_widget (GimpSessionInfo *info)
{
g_return_val_if_fail (GIMP_IS_SESSION_INFO (info), FALSE);
return info->p->widget;
}
void
gimp_session_info_set_widget (GimpSessionInfo *info,
GtkWidget *widget)
{
g_return_if_fail (GIMP_IS_SESSION_INFO (info));
info->p->widget = widget;
}
GimpDialogFactoryEntry *
gimp_session_info_get_factory_entry (GimpSessionInfo *info)
{
g_return_val_if_fail (GIMP_IS_SESSION_INFO (info), FALSE);
return info->p->factory_entry;
}
void
gimp_session_info_set_factory_entry (GimpSessionInfo *info,
GimpDialogFactoryEntry *entry)
{
g_return_if_fail (GIMP_IS_SESSION_INFO (info));
info->p->factory_entry = entry;
}
gboolean
gimp_session_info_get_open (GimpSessionInfo *info)
{
g_return_val_if_fail (GIMP_IS_SESSION_INFO (info), FALSE);
return info->p->open;
}
gint
gimp_session_info_get_x (GimpSessionInfo *info)
{
g_return_val_if_fail (GIMP_IS_SESSION_INFO (info), 0);
return info->p->x;
}
gint
gimp_session_info_get_y (GimpSessionInfo *info)
{
g_return_val_if_fail (GIMP_IS_SESSION_INFO (info), 0);
return info->p->y;
}
gint
gimp_session_info_get_width (GimpSessionInfo *info)
{
g_return_val_if_fail (GIMP_IS_SESSION_INFO (info), 0);
return info->p->width;
}
gint
gimp_session_info_get_height (GimpSessionInfo *info)
{
g_return_val_if_fail (GIMP_IS_SESSION_INFO (info), 0);
return info->p->height;
}
/**
* gimp_session_info_class_set_position_accuracy:
* @accuracy:
*
* When writing sessionrc, make positions and sizes a multiple of
* @accuracy. Meant to be used by test cases that does regression
* testing on session managed window positions and sizes, to allow for
* some deviations from the original setup, that the window manager
* might impose.
**/
void
gimp_session_info_class_set_position_accuracy (GimpSessionInfoClass *klass,
gint accuracy)
{
g_return_if_fail (GIMP_IS_SESSION_INFO_CLASS (klass));
klass->position_accuracy = accuracy;
}
/**
* gimp_session_info_class_apply_position_accuracy:
* @position:
*
* Rounds @position to the nearest multiple of what was set with
* gimp_session_info_class_set_position_accuracy().
*
* Returns: Result.
**/
gint
gimp_session_info_class_apply_position_accuracy (GimpSessionInfoClass *klass,
gint position)
{
g_return_val_if_fail (GIMP_IS_SESSION_INFO_CLASS (klass), position);
if (klass->position_accuracy > 0)
{
gint to_floor = position + klass->position_accuracy / 2;
return to_floor - to_floor % klass->position_accuracy;
}
return position;
}
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