Learning_GTK4_tree/gdk/gdkdevicetool.c

253 lines
7.6 KiB
C

/* GDK - The GIMP Drawing Kit
* Copyright (C) 2009 Carlos Garnacho <carlosg@gnome.org>
*
* This library 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) any later version.
*
* This library 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 this library. If not, see <http://www.gnu.org/licenses/>.
*/
#include "config.h"
#include <math.h>
#include "gdkdevicetoolprivate.h"
#include "gdkenumtypes.h"
#include <glib/gi18n-lib.h>
/**
* GdkDeviceTool:
*
* A physical tool associated to a `GdkDevice`.
*/
G_DEFINE_TYPE (GdkDeviceTool, gdk_device_tool, G_TYPE_OBJECT)
enum {
TOOL_PROP_0,
TOOL_PROP_SERIAL,
TOOL_PROP_TOOL_TYPE,
TOOL_PROP_AXES,
TOOL_PROP_HARDWARE_ID,
N_TOOL_PROPS
};
GParamSpec *tool_props[N_TOOL_PROPS] = { 0 };
static void
gdk_device_tool_set_property (GObject *object,
guint prop_id,
const GValue *value,
GParamSpec *pspec)
{
GdkDeviceTool *tool = GDK_DEVICE_TOOL (object);
switch (prop_id)
{
case TOOL_PROP_SERIAL:
tool->serial = g_value_get_uint64 (value);
break;
case TOOL_PROP_TOOL_TYPE:
tool->type = g_value_get_enum (value);
break;
case TOOL_PROP_AXES:
tool->tool_axes = g_value_get_flags (value);
break;
case TOOL_PROP_HARDWARE_ID:
tool->hw_id = g_value_get_uint64 (value);
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
break;
}
}
static void
gdk_device_tool_get_property (GObject *object,
guint prop_id,
GValue *value,
GParamSpec *pspec)
{
GdkDeviceTool *tool = GDK_DEVICE_TOOL (object);
switch (prop_id)
{
case TOOL_PROP_SERIAL:
g_value_set_uint64 (value, tool->serial);
break;
case TOOL_PROP_TOOL_TYPE:
g_value_set_enum (value, tool->type);
break;
case TOOL_PROP_AXES:
g_value_set_flags (value, tool->tool_axes);
break;
case TOOL_PROP_HARDWARE_ID:
g_value_set_uint64 (value, tool->hw_id);
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
break;
}
}
static void
gdk_device_tool_class_init (GdkDeviceToolClass *klass)
{
GObjectClass *object_class = G_OBJECT_CLASS (klass);
object_class->set_property = gdk_device_tool_set_property;
object_class->get_property = gdk_device_tool_get_property;
/**
* GdkDeviceTool:serial: (attributes org.gtk.Property.get=gdk_device_tool_get_serial)
*
* The serial number of the tool.
*/
tool_props[TOOL_PROP_SERIAL] = g_param_spec_uint64 ("serial", NULL, NULL,
0, G_MAXUINT64, 0,
G_PARAM_READWRITE |
G_PARAM_CONSTRUCT_ONLY |
G_PARAM_STATIC_STRINGS);
/**
* GdkDeviceTool:tool-type: (attributes org.gtk.Property.get=gdk_device_tool_get_tool_type)
*
* The type of the tool.
*/
tool_props[TOOL_PROP_TOOL_TYPE] = g_param_spec_enum ("tool-type", NULL, NULL,
GDK_TYPE_DEVICE_TOOL_TYPE,
GDK_DEVICE_TOOL_TYPE_UNKNOWN,
G_PARAM_READWRITE |
G_PARAM_CONSTRUCT_ONLY |
G_PARAM_STATIC_STRINGS);
/**
* GdkDeviceTool:axes: (attributes org.gtk.Property.get=gdk_device_tool_get_axes)
*
* The axes of the tool.
*/
tool_props[TOOL_PROP_AXES] = g_param_spec_flags ("axes", NULL, NULL,
GDK_TYPE_AXIS_FLAGS, 0,
G_PARAM_READWRITE |
G_PARAM_CONSTRUCT_ONLY);
/**
* GdkDeviceTool:hardware-id: (attributes org.gtk.Property.get=gdk_device_tool_get_hardware_id)
*
* The hardware ID of the tool.
*/
tool_props[TOOL_PROP_HARDWARE_ID] = g_param_spec_uint64 ("hardware-id", NULL, NULL,
0, G_MAXUINT64, 0,
G_PARAM_READWRITE |
G_PARAM_CONSTRUCT_ONLY |
G_PARAM_STATIC_STRINGS);
g_object_class_install_properties (object_class, N_TOOL_PROPS, tool_props);
}
static void
gdk_device_tool_init (GdkDeviceTool *tool)
{
}
GdkDeviceTool *
gdk_device_tool_new (guint64 serial,
guint64 hw_id,
GdkDeviceToolType type,
GdkAxisFlags tool_axes)
{
return g_object_new (GDK_TYPE_DEVICE_TOOL,
"serial", serial,
"hardware-id", hw_id,
"tool-type", type,
"axes", tool_axes,
NULL);
}
/**
* gdk_device_tool_get_serial: (attributes org.gtk.Method.get_property=serial)
* @tool: a `GdkDeviceTool`
*
* Gets the serial number of this tool.
*
* This value can be used to identify a physical tool
* (eg. a tablet pen) across program executions.
*
* Returns: The serial ID for this tool
*/
guint64
gdk_device_tool_get_serial (GdkDeviceTool *tool)
{
g_return_val_if_fail (tool != NULL, 0);
return tool->serial;
}
/**
* gdk_device_tool_get_hardware_id: (attributes org.gtk.Method.get_property=hardware-id)
* @tool: a `GdkDeviceTool`
*
* Gets the hardware ID of this tool, or 0 if it's not known.
*
* When non-zero, the identifier is unique for the given tool model,
* meaning that two identical tools will share the same @hardware_id,
* but will have different serial numbers (see
* [method@Gdk.DeviceTool.get_serial]).
*
* This is a more concrete (and device specific) method to identify
* a `GdkDeviceTool` than [method@Gdk.DeviceTool.get_tool_type],
* as a tablet may support multiple devices with the same
* `GdkDeviceToolType`, but different hardware identifiers.
*
* Returns: The hardware identifier of this tool.
*/
guint64
gdk_device_tool_get_hardware_id (GdkDeviceTool *tool)
{
g_return_val_if_fail (tool != NULL, 0);
return tool->hw_id;
}
/**
* gdk_device_tool_get_tool_type: (attributes org.gtk.Method.get_property=tool-type)
* @tool: a `GdkDeviceTool`
*
* Gets the `GdkDeviceToolType` of the tool.
*
* Returns: The physical type for this tool. This can be used to
* figure out what sort of pen is being used, such as an airbrush
* or a pencil.
*/
GdkDeviceToolType
gdk_device_tool_get_tool_type (GdkDeviceTool *tool)
{
g_return_val_if_fail (tool != NULL, GDK_DEVICE_TOOL_TYPE_UNKNOWN);
return tool->type;
}
/**
* gdk_device_tool_get_axes: (attributes org.gtk.Method.get_property=axes)
* @tool: a `GdkDeviceTool`
*
* Gets the axes of the tool.
*
* Returns: the axes of @tool
*/
GdkAxisFlags
gdk_device_tool_get_axes (GdkDeviceTool *tool)
{
g_return_val_if_fail (tool != NULL, 0);
return tool->tool_axes;
}