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-rw-r--r--app/widgets/gimpdeviceinfo.c945
1 files changed, 945 insertions, 0 deletions
diff --git a/app/widgets/gimpdeviceinfo.c b/app/widgets/gimpdeviceinfo.c
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--- /dev/null
+++ b/app/widgets/gimpdeviceinfo.c
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+/* GIMP - The GNU Image Manipulation Program
+ * Copyright (C) 1995 Spencer Kimball and Peter Mattis
+ *
+ * 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 <https://www.gnu.org/licenses/>.
+ */
+
+#include "config.h"
+
+#include <string.h>
+
+#undef GSEAL_ENABLE
+
+#include <gegl.h>
+#include <gtk/gtk.h>
+
+#include "libgimpbase/gimpbase.h"
+#include "libgimpconfig/gimpconfig.h"
+#include "libgimpwidgets/gimpwidgets.h"
+
+#include "widgets-types.h"
+
+#include "core/gimp.h"
+#include "core/gimpcontext.h"
+#include "core/gimpcontainer.h"
+#include "core/gimpcurve.h"
+#include "core/gimpcurve-map.h"
+#include "core/gimpdatafactory.h"
+#include "core/gimpmarshal.h"
+#include "core/gimpparamspecs.h"
+#include "core/gimptoolinfo.h"
+
+#include "gimpdeviceinfo.h"
+
+#include "gimp-intl.h"
+
+
+#define GIMP_DEVICE_INFO_DATA_KEY "gimp-device-info"
+
+
+enum
+{
+ PROP_0,
+ PROP_DEVICE,
+ PROP_DISPLAY,
+ PROP_MODE,
+ PROP_AXES,
+ PROP_KEYS,
+ PROP_PRESSURE_CURVE
+};
+
+
+/* local function prototypes */
+
+static void gimp_device_info_constructed (GObject *object);
+static void gimp_device_info_finalize (GObject *object);
+static void gimp_device_info_set_property (GObject *object,
+ guint property_id,
+ const GValue *value,
+ GParamSpec *pspec);
+static void gimp_device_info_get_property (GObject *object,
+ guint property_id,
+ GValue *value,
+ GParamSpec *pspec);
+
+static void gimp_device_info_guess_icon (GimpDeviceInfo *info);
+
+
+G_DEFINE_TYPE (GimpDeviceInfo, gimp_device_info, GIMP_TYPE_TOOL_PRESET)
+
+#define parent_class gimp_device_info_parent_class
+
+
+static void
+gimp_device_info_class_init (GimpDeviceInfoClass *klass)
+{
+ GObjectClass *object_class = G_OBJECT_CLASS (klass);
+ GimpViewableClass *viewable_class = GIMP_VIEWABLE_CLASS (klass);
+ GParamSpec *param_spec;
+
+ object_class->constructed = gimp_device_info_constructed;
+ object_class->finalize = gimp_device_info_finalize;
+ object_class->set_property = gimp_device_info_set_property;
+ object_class->get_property = gimp_device_info_get_property;
+
+ viewable_class->default_icon_name = GIMP_ICON_INPUT_DEVICE;
+
+ g_object_class_install_property (object_class, PROP_DEVICE,
+ g_param_spec_object ("device",
+ NULL, NULL,
+ GDK_TYPE_DEVICE,
+ GIMP_PARAM_STATIC_STRINGS |
+ G_PARAM_READWRITE |
+ G_PARAM_CONSTRUCT));
+
+ g_object_class_install_property (object_class, PROP_DISPLAY,
+ g_param_spec_object ("display",
+ NULL, NULL,
+ GDK_TYPE_DISPLAY,
+ GIMP_PARAM_STATIC_STRINGS |
+ G_PARAM_READWRITE |
+ G_PARAM_CONSTRUCT));
+
+ GIMP_CONFIG_PROP_ENUM (object_class, PROP_MODE,
+ "mode",
+ _("Mode"),
+ NULL,
+ GDK_TYPE_INPUT_MODE,
+ GDK_MODE_DISABLED,
+ GIMP_PARAM_STATIC_STRINGS);
+
+ param_spec = g_param_spec_enum ("axis",
+ NULL, NULL,
+ GDK_TYPE_AXIS_USE,
+ GDK_AXIS_IGNORE,
+ GIMP_PARAM_READWRITE);
+ g_object_class_install_property (object_class, PROP_AXES,
+ gimp_param_spec_value_array ("axes",
+ NULL, NULL,
+ param_spec,
+ GIMP_PARAM_STATIC_STRINGS |
+ GIMP_CONFIG_PARAM_FLAGS));
+
+ param_spec = g_param_spec_string ("key",
+ NULL, NULL,
+ NULL,
+ GIMP_PARAM_READWRITE);
+ g_object_class_install_property (object_class, PROP_KEYS,
+ gimp_param_spec_value_array ("keys",
+ NULL, NULL,
+ param_spec,
+ GIMP_PARAM_STATIC_STRINGS |
+ GIMP_CONFIG_PARAM_FLAGS));
+
+ GIMP_CONFIG_PROP_OBJECT (object_class, PROP_PRESSURE_CURVE,
+ "pressure-curve",
+ _("Pressure curve"),
+ NULL,
+ GIMP_TYPE_CURVE,
+ GIMP_CONFIG_PARAM_AGGREGATE);
+}
+
+static void
+gimp_device_info_init (GimpDeviceInfo *info)
+{
+ gimp_data_make_internal (GIMP_DATA (info), NULL);
+
+ info->mode = GDK_MODE_DISABLED;
+ info->pressure_curve = GIMP_CURVE (gimp_curve_new ("pressure curve"));
+
+ g_signal_connect (info, "notify::name",
+ G_CALLBACK (gimp_device_info_guess_icon),
+ NULL);
+}
+
+static void
+gimp_device_info_constructed (GObject *object)
+{
+ GimpDeviceInfo *info = GIMP_DEVICE_INFO (object);
+
+ G_OBJECT_CLASS (parent_class)->constructed (object);
+
+ gimp_assert ((info->device == NULL && info->display == NULL) ||
+ (GDK_IS_DEVICE (info->device) && GDK_IS_DISPLAY (info->display)));
+
+ if (info->device)
+ {
+ gint i;
+
+ g_object_set_data (G_OBJECT (info->device), GIMP_DEVICE_INFO_DATA_KEY,
+ info);
+
+ gimp_object_set_name (GIMP_OBJECT (info), info->device->name);
+
+ info->mode = gdk_device_get_mode (info->device);
+
+ info->n_axes = gdk_device_get_n_axes (info->device);
+ info->axes = g_new0 (GdkAxisUse, info->n_axes);
+ for (i = 0; i < info->n_axes; i++)
+ info->axes[i] = gdk_device_get_axis_use (info->device, i);
+
+ info->n_keys = gdk_device_get_n_keys (info->device);
+ info->keys = g_new0 (GdkDeviceKey, info->n_keys);
+ for (i = 0; i < info->n_keys; i++)
+ gdk_device_get_key (info->device, i,
+ &info->keys[i].keyval,
+ &info->keys[i].modifiers);
+ }
+}
+
+static void
+gimp_device_info_finalize (GObject *object)
+{
+ GimpDeviceInfo *info = GIMP_DEVICE_INFO (object);
+
+ g_clear_pointer (&info->axes, g_free);
+ g_clear_pointer (&info->keys, g_free);
+
+ g_clear_object (&info->pressure_curve);
+
+ G_OBJECT_CLASS (parent_class)->finalize (object);
+}
+
+static void
+gimp_device_info_set_property (GObject *object,
+ guint property_id,
+ const GValue *value,
+ GParamSpec *pspec)
+{
+ GimpDeviceInfo *info = GIMP_DEVICE_INFO (object);
+ GdkDevice *device = info->device;
+ GimpCurve *src_curve = NULL;
+ GimpCurve *dest_curve = NULL;
+
+ switch (property_id)
+ {
+ case PROP_DEVICE:
+ info->device = g_value_get_object (value);
+ break;
+
+ case PROP_DISPLAY:
+ info->display = g_value_get_object (value);
+ break;
+
+ case PROP_MODE:
+ gimp_device_info_set_mode (info, g_value_get_enum (value));
+ break;
+
+ case PROP_AXES:
+ {
+ GimpValueArray *array = g_value_get_boxed (value);
+
+ if (array)
+ {
+ gint i;
+ gint n_device_values = gimp_value_array_length (array);
+
+ if (device)
+ n_device_values = MIN (n_device_values,
+ gdk_device_get_n_axes (device));
+
+ info->n_axes = n_device_values;
+ info->axes = g_renew (GdkAxisUse, info->axes, info->n_axes);
+ memset (info->axes, 0, info->n_axes * sizeof (GdkAxisUse));
+
+ for (i = 0; i < n_device_values; i++)
+ {
+ GdkAxisUse axis_use;
+
+ axis_use = g_value_get_enum (gimp_value_array_index (array, i));
+
+ gimp_device_info_set_axis_use (info, i, axis_use);
+ }
+ }
+ }
+ break;
+
+ case PROP_KEYS:
+ {
+ GimpValueArray *array = g_value_get_boxed (value);
+
+ if (array)
+ {
+ gint i;
+ gint n_device_values = gimp_value_array_length (array);
+
+ if (device)
+ n_device_values = MIN (n_device_values,
+ gdk_device_get_n_keys (device));
+
+ info->n_keys = n_device_values;
+ info->keys = g_renew (GdkDeviceKey, info->keys, info->n_keys);
+ memset (info->keys, 0, info->n_keys * sizeof (GdkDeviceKey));
+
+ for (i = 0; i < n_device_values; i++)
+ {
+ const gchar *accel;
+ guint keyval;
+ GdkModifierType modifiers;
+
+ accel = g_value_get_string (gimp_value_array_index (array, i));
+
+ gtk_accelerator_parse (accel, &keyval, &modifiers);
+
+ gimp_device_info_set_key (info, i, keyval, modifiers);
+ }
+ }
+ }
+ break;
+
+ case PROP_PRESSURE_CURVE:
+ src_curve = g_value_get_object (value);
+ dest_curve = info->pressure_curve;
+ break;
+
+ default:
+ G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);
+ break;
+ }
+
+ if (src_curve && dest_curve)
+ {
+ gimp_config_copy (GIMP_CONFIG (src_curve),
+ GIMP_CONFIG (dest_curve),
+ GIMP_CONFIG_PARAM_SERIALIZE);
+ }
+}
+
+static void
+gimp_device_info_get_property (GObject *object,
+ guint property_id,
+ GValue *value,
+ GParamSpec *pspec)
+{
+ GimpDeviceInfo *info = GIMP_DEVICE_INFO (object);
+
+ switch (property_id)
+ {
+ case PROP_DEVICE:
+ g_value_set_object (value, info->device);
+ break;
+
+ case PROP_DISPLAY:
+ g_value_set_object (value, info->display);
+ break;
+
+ case PROP_MODE:
+ g_value_set_enum (value, gimp_device_info_get_mode (info));
+ break;
+
+ case PROP_AXES:
+ {
+ GimpValueArray *array;
+ GValue enum_value = G_VALUE_INIT;
+ gint n_axes;
+ gint i;
+
+ array = gimp_value_array_new (6);
+ g_value_init (&enum_value, GDK_TYPE_AXIS_USE);
+
+ n_axes = gimp_device_info_get_n_axes (info);
+
+ for (i = 0; i < n_axes; i++)
+ {
+ g_value_set_enum (&enum_value,
+ gimp_device_info_get_axis_use (info, i));
+
+ gimp_value_array_append (array, &enum_value);
+ }
+
+ g_value_unset (&enum_value);
+
+ g_value_take_boxed (value, array);
+ }
+ break;
+
+ case PROP_KEYS:
+ {
+ GimpValueArray *array;
+ GValue string_value = G_VALUE_INIT;
+ gint n_keys;
+ gint i;
+
+ array = gimp_value_array_new (32);
+ g_value_init (&string_value, G_TYPE_STRING);
+
+ n_keys = gimp_device_info_get_n_keys (info);
+
+ for (i = 0; i < n_keys; i++)
+ {
+ guint keyval;
+ GdkModifierType modifiers;
+
+ gimp_device_info_get_key (info, i, &keyval, &modifiers);
+
+ if (keyval)
+ {
+ gchar *accel;
+ gchar *escaped;
+
+ accel = gtk_accelerator_name (keyval, modifiers);
+ escaped = g_strescape (accel, NULL);
+ g_free (accel);
+
+ g_value_set_string (&string_value, escaped);
+ g_free (escaped);
+ }
+ else
+ {
+ g_value_set_string (&string_value, "");
+ }
+
+ gimp_value_array_append (array, &string_value);
+ }
+
+ g_value_unset (&string_value);
+
+ g_value_take_boxed (value, array);
+ }
+ break;
+
+ case PROP_PRESSURE_CURVE:
+ g_value_set_object (value, info->pressure_curve);
+ break;
+
+ default:
+ G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);
+ break;
+ }
+}
+
+static void
+gimp_device_info_guess_icon (GimpDeviceInfo *info)
+{
+ GimpViewable *viewable = GIMP_VIEWABLE (info);
+
+ if (gimp_object_get_name (viewable) &&
+ ! strcmp (gimp_viewable_get_icon_name (viewable),
+ GIMP_VIEWABLE_GET_CLASS (viewable)->default_icon_name))
+ {
+ const gchar *icon_name = NULL;
+ gchar *down = g_ascii_strdown (gimp_object_get_name (viewable),
+ -1);
+
+ if (strstr (down, "eraser"))
+ {
+ icon_name = GIMP_ICON_TOOL_ERASER;
+ }
+ else if (strstr (down, "pen"))
+ {
+ icon_name = GIMP_ICON_TOOL_PAINTBRUSH;
+ }
+ else if (strstr (down, "airbrush"))
+ {
+ icon_name = GIMP_ICON_TOOL_AIRBRUSH;
+ }
+ else if (strstr (down, "cursor") ||
+ strstr (down, "mouse") ||
+ strstr (down, "pointer") ||
+ strstr (down, "touchpad") ||
+ strstr (down, "trackpoint"))
+ {
+ icon_name = GIMP_ICON_CURSOR;
+ }
+
+ g_free (down);
+
+ if (icon_name)
+ gimp_viewable_set_icon_name (viewable, icon_name);
+ }
+}
+
+
+/* public functions */
+
+GimpDeviceInfo *
+gimp_device_info_new (Gimp *gimp,
+ GdkDevice *device,
+ GdkDisplay *display)
+{
+ GimpContext *context;
+ GimpToolInfo *tool_info;
+
+ g_return_val_if_fail (GIMP_IS_GIMP (gimp), NULL);
+ g_return_val_if_fail (GDK_IS_DEVICE (device), NULL);
+ g_return_val_if_fail (GDK_IS_DISPLAY (display), NULL);
+
+ context = gimp_get_user_context (gimp);
+ tool_info = gimp_context_get_tool (context);
+
+ g_return_val_if_fail (tool_info != NULL, NULL);
+
+ return g_object_new (GIMP_TYPE_DEVICE_INFO,
+ "gimp", gimp,
+ "device", device,
+ "display", display,
+ "tool-options", tool_info->tool_options,
+ NULL);
+}
+
+GdkDevice *
+gimp_device_info_get_device (GimpDeviceInfo *info,
+ GdkDisplay **display)
+{
+ g_return_val_if_fail (GIMP_IS_DEVICE_INFO (info), NULL);
+
+ if (display)
+ *display = info->display;
+
+ return info->device;
+}
+
+gboolean
+gimp_device_info_set_device (GimpDeviceInfo *info,
+ GdkDevice *device,
+ GdkDisplay *display)
+{
+ gint i;
+
+ g_return_val_if_fail (GIMP_IS_DEVICE_INFO (info), FALSE);
+ g_return_val_if_fail ((device == NULL && display == NULL) ||
+ (GDK_IS_DEVICE (device) && GDK_IS_DISPLAY (display)),
+ FALSE);
+
+ if (device && info->device)
+ {
+ g_printerr ("%s: trying to set GdkDevice '%s' on GimpDeviceInfo "
+ "which already has a device\n",
+ G_STRFUNC, gdk_device_get_name (device));
+
+#ifdef G_OS_WIN32
+ /* This is a very weird/dirty difference we make between Win32 and
+ * Linux. On Linux, we had breakage because of duplicate devices,
+ * fixed by overwriting the info's old device (assuming it to be
+ * dead) with the new one. Unfortunately doing this on Windows
+ * too broke a lot of devices (which used to work with the old
+ * way). See the regression bug #2495.
+ *
+ * NOTE that this only happens if something is wrong on the USB
+ * or udev or libinput or whatever side and the same device is
+ * present multiple times. Therefore there doesn't seem to be an
+ * absolute single "solution" to this problem (well there is, but
+ * probably not in GIMP, where we can only react). This is more
+ * of an experimenting-in-real-life kind of bug.
+ * Also we had no clear report on macOS or BSD (AFAIK) of broken
+ * tablets with any of the version of the code. So let's keep
+ * these similar to Linux for now.
+ */
+ return FALSE;
+#endif /* G_OS_WIN32 */
+ }
+ else if (! device && ! info->device)
+ {
+ g_printerr ("%s: trying to unset GdkDevice of GimpDeviceInfo '%s'"
+ "which has no device\n",
+ G_STRFUNC, gimp_object_get_name (info));
+
+ /* bail out, unsetting twice makes no sense */
+ return FALSE;
+ }
+
+ g_return_val_if_fail (device == NULL ||
+ strcmp (gdk_device_get_name (device),
+ gimp_object_get_name (info)) == 0, FALSE);
+
+ if (device)
+ {
+ info->device = device;
+ info->display = display;
+
+ g_object_set_data (G_OBJECT (device), GIMP_DEVICE_INFO_DATA_KEY, info);
+
+ gimp_device_info_set_mode (info, info->mode);
+
+ if (info->n_axes != device->num_axes)
+ g_printerr ("%s: stored 'num-axes' for device '%s' doesn't match "
+ "number of axes present in device\n",
+ G_STRFUNC, device->name);
+
+ for (i = 0; i < MIN (info->n_axes, device->num_axes); i++)
+ gimp_device_info_set_axis_use (info, i,
+ info->axes[i]);
+
+ if (info->n_keys != device->num_keys)
+ g_printerr ("%s: stored 'num-keys' for device '%s' doesn't match "
+ "number of keys present in device\n",
+ G_STRFUNC, device->name);
+
+ for (i = 0; i < MIN (info->n_keys, device->num_keys); i++)
+ gimp_device_info_set_key (info, i,
+ info->keys[i].keyval,
+ info->keys[i].modifiers);
+ }
+ else
+ {
+ device = info->device;
+ display = info->display;
+
+ info->device = NULL;
+ info->display = NULL;
+
+ g_object_set_data (G_OBJECT (device), GIMP_DEVICE_INFO_DATA_KEY, NULL);
+
+ gimp_device_info_set_mode (info, device->mode);
+
+ info->n_axes = device->num_axes;
+ info->axes = g_renew (GdkAxisUse, info->axes, info->n_axes);
+ memset (info->axes, 0, info->n_axes * sizeof (GdkAxisUse));
+
+ for (i = 0; i < info->n_axes; i++)
+ gimp_device_info_set_axis_use (info, i,
+ device->axes[i].use);
+
+ info->n_keys = device->num_keys;
+ info->keys = g_renew (GdkDeviceKey, info->keys, info->n_keys);
+ memset (info->keys, 0, info->n_keys * sizeof (GdkDeviceKey));
+
+ for (i = 0; i < MIN (info->n_keys, device->num_keys); i++)
+ gimp_device_info_set_key (info, i,
+ device->keys[i].keyval,
+ device->keys[i].modifiers);
+ }
+
+ /* sort order depends on device presence */
+ gimp_object_name_changed (GIMP_OBJECT (info));
+
+ g_object_notify (G_OBJECT (info), "device");
+
+ return TRUE;
+}
+
+void
+gimp_device_info_set_default_tool (GimpDeviceInfo *info)
+{
+ g_return_if_fail (GIMP_IS_DEVICE_INFO (info));
+
+ if (info->device &&
+ gdk_device_get_source (info->device) == GDK_SOURCE_ERASER)
+ {
+ GimpContainer *tools = GIMP_TOOL_PRESET (info)->gimp->tool_info_list;
+ GimpToolInfo *eraser;
+
+ eraser =
+ GIMP_TOOL_INFO (gimp_container_get_child_by_name (tools,
+ "gimp-eraser-tool"));
+
+ if (eraser)
+ g_object_set (info,
+ "tool-options", eraser->tool_options,
+ NULL);
+ }
+}
+
+void
+gimp_device_info_save_tool (GimpDeviceInfo *info)
+{
+ GimpToolPreset *preset = GIMP_TOOL_PRESET (info);
+ GimpContext *user_context;
+ GimpToolInfo *tool_info;
+ GimpContextPropMask serialize_props;
+
+ g_return_if_fail (GIMP_IS_DEVICE_INFO (info));
+
+ user_context = gimp_get_user_context (GIMP_TOOL_PRESET (info)->gimp);
+
+ tool_info = gimp_context_get_tool (user_context);
+
+ g_object_set (info,
+ "tool-options", tool_info->tool_options,
+ NULL);
+
+ serialize_props =
+ gimp_context_get_serialize_properties (GIMP_CONTEXT (preset->tool_options));
+
+ g_object_set (preset,
+ "use-fg-bg",
+ (serialize_props & GIMP_CONTEXT_PROP_MASK_FOREGROUND) ||
+ (serialize_props & GIMP_CONTEXT_PROP_MASK_BACKGROUND),
+
+ "use-brush",
+ (serialize_props & GIMP_CONTEXT_PROP_MASK_BRUSH) != 0,
+
+ "use-dynamics",
+ (serialize_props & GIMP_CONTEXT_PROP_MASK_DYNAMICS) != 0,
+
+ "use-mypaint-brush",
+ (serialize_props & GIMP_CONTEXT_PROP_MASK_MYBRUSH) != 0,
+
+ "use-gradient",
+ (serialize_props & GIMP_CONTEXT_PROP_MASK_GRADIENT) != 0,
+
+ "use-pattern",
+ (serialize_props & GIMP_CONTEXT_PROP_MASK_PATTERN) != 0,
+
+ "use-palette",
+ (serialize_props & GIMP_CONTEXT_PROP_MASK_PALETTE) != 0,
+
+ "use-font",
+ (serialize_props & GIMP_CONTEXT_PROP_MASK_FONT) != 0,
+
+ NULL);
+}
+
+void
+gimp_device_info_restore_tool (GimpDeviceInfo *info)
+{
+ GimpToolPreset *preset;
+ GimpContext *user_context;
+
+ g_return_if_fail (GIMP_IS_DEVICE_INFO (info));
+
+ preset = GIMP_TOOL_PRESET (info);
+
+ user_context = gimp_get_user_context (GIMP_TOOL_PRESET (info)->gimp);
+
+ if (preset->tool_options)
+ {
+ if (gimp_context_get_tool_preset (user_context) != preset)
+ {
+ gimp_context_set_tool_preset (user_context, preset);
+ }
+ else
+ {
+ gimp_context_tool_preset_changed (user_context);
+ }
+ }
+}
+
+GdkInputMode
+gimp_device_info_get_mode (GimpDeviceInfo *info)
+{
+ g_return_val_if_fail (GIMP_IS_DEVICE_INFO (info), GDK_MODE_DISABLED);
+
+ if (info->device)
+ return info->device->mode;
+ else
+ return info->mode;
+}
+
+void
+gimp_device_info_set_mode (GimpDeviceInfo *info,
+ GdkInputMode mode)
+{
+ g_return_if_fail (GIMP_IS_DEVICE_INFO (info));
+
+ if (mode != gimp_device_info_get_mode (info))
+ {
+ if (info->device)
+ gdk_device_set_mode (info->device, mode);
+ else
+ info->mode = mode;
+
+ g_object_notify (G_OBJECT (info), "mode");
+ }
+}
+
+gboolean
+gimp_device_info_has_cursor (GimpDeviceInfo *info)
+{
+ g_return_val_if_fail (GIMP_IS_DEVICE_INFO (info), FALSE);
+
+ if (info->device)
+ return info->device->has_cursor;
+
+ return FALSE;
+}
+
+gint
+gimp_device_info_get_n_axes (GimpDeviceInfo *info)
+{
+ g_return_val_if_fail (GIMP_IS_DEVICE_INFO (info), 0);
+
+ if (info->device)
+ return info->device->num_axes;
+ else
+ return info->n_axes;
+}
+
+GdkAxisUse
+gimp_device_info_get_axis_use (GimpDeviceInfo *info,
+ gint axis)
+{
+ g_return_val_if_fail (GIMP_IS_DEVICE_INFO (info), GDK_AXIS_IGNORE);
+ g_return_val_if_fail (axis >= 0 && axis < gimp_device_info_get_n_axes (info),
+ GDK_AXIS_IGNORE);
+
+ if (info->device)
+ return info->device->axes[axis].use;
+ else
+ return info->axes[axis];
+}
+
+void
+gimp_device_info_set_axis_use (GimpDeviceInfo *info,
+ gint axis,
+ GdkAxisUse use)
+{
+ g_return_if_fail (GIMP_IS_DEVICE_INFO (info));
+ g_return_if_fail (axis >= 0 && axis < gimp_device_info_get_n_axes (info));
+
+ if (use != gimp_device_info_get_axis_use (info, axis))
+ {
+ if (info->device)
+ gdk_device_set_axis_use (info->device, axis, use);
+
+ info->axes[axis] = use;
+
+ g_object_notify (G_OBJECT (info), "axes");
+ }
+}
+
+gint
+gimp_device_info_get_n_keys (GimpDeviceInfo *info)
+{
+ g_return_val_if_fail (GIMP_IS_DEVICE_INFO (info), 0);
+
+ if (info->device)
+ return info->device->num_keys;
+ else
+ return info->n_keys;
+}
+
+void
+gimp_device_info_get_key (GimpDeviceInfo *info,
+ gint key,
+ guint *keyval,
+ GdkModifierType *modifiers)
+{
+ g_return_if_fail (GIMP_IS_DEVICE_INFO (info));
+ g_return_if_fail (key >= 0 && key < gimp_device_info_get_n_keys (info));
+ g_return_if_fail (keyval != NULL);
+ g_return_if_fail (modifiers != NULL);
+
+ if (info->device)
+ {
+ *keyval = info->device->keys[key].keyval;
+ *modifiers = info->device->keys[key].modifiers;
+ }
+ else
+ {
+ *keyval = info->keys[key].keyval;
+ *modifiers = info->keys[key].modifiers;
+ }
+}
+
+void
+gimp_device_info_set_key (GimpDeviceInfo *info,
+ gint key,
+ guint keyval,
+ GdkModifierType modifiers)
+{
+ guint old_keyval;
+ GdkModifierType old_modifiers;
+
+ g_return_if_fail (GIMP_IS_DEVICE_INFO (info));
+ g_return_if_fail (key >= 0 && key < gimp_device_info_get_n_keys (info));
+
+ gimp_device_info_get_key (info, key, &old_keyval, &old_modifiers);
+
+ if (keyval != old_keyval ||
+ modifiers != old_modifiers)
+ {
+ if (info->device)
+ gdk_device_set_key (info->device, key, keyval, modifiers);
+
+ info->keys[key].keyval = keyval;
+ info->keys[key].modifiers = modifiers;
+
+ g_object_notify (G_OBJECT (info), "keys");
+ }
+}
+
+GimpCurve *
+gimp_device_info_get_curve (GimpDeviceInfo *info,
+ GdkAxisUse use)
+{
+ g_return_val_if_fail (GIMP_IS_DEVICE_INFO (info), NULL);
+
+ switch (use)
+ {
+ case GDK_AXIS_PRESSURE:
+ return info->pressure_curve;
+ break;
+
+ default:
+ return NULL;
+ }
+}
+
+gdouble
+gimp_device_info_map_axis (GimpDeviceInfo *info,
+ GdkAxisUse use,
+ gdouble value)
+{
+ g_return_val_if_fail (GIMP_IS_DEVICE_INFO (info), value);
+
+ /* CLAMP() the return values be safe against buggy XInput drivers */
+
+ switch (use)
+ {
+ case GDK_AXIS_PRESSURE:
+ return gimp_curve_map_value (info->pressure_curve, value);
+
+ case GDK_AXIS_XTILT:
+ return CLAMP (value, GIMP_COORDS_MIN_TILT, GIMP_COORDS_MAX_TILT);
+
+ case GDK_AXIS_YTILT:
+ return CLAMP (value, GIMP_COORDS_MIN_TILT, GIMP_COORDS_MAX_TILT);
+
+ case GDK_AXIS_WHEEL:
+ return CLAMP (value, GIMP_COORDS_MIN_WHEEL, GIMP_COORDS_MAX_WHEEL);
+
+ default:
+ break;
+ }
+
+ return value;
+}
+
+GimpDeviceInfo *
+gimp_device_info_get_by_device (GdkDevice *device)
+{
+ g_return_val_if_fail (GDK_IS_DEVICE (device), NULL);
+
+ return g_object_get_data (G_OBJECT (device), GIMP_DEVICE_INFO_DATA_KEY);
+}
+
+gint
+gimp_device_info_compare (GimpDeviceInfo *a,
+ GimpDeviceInfo *b)
+{
+ if (a->device && a->display &&
+ a->device == gdk_display_get_core_pointer (a->display))
+ {
+ return -1;
+ }
+ else if (b->device && b->display &&
+ b->device == gdk_display_get_core_pointer (b->display))
+ {
+ return 1;
+ }
+ else if (a->device && ! b->device)
+ {
+ return -1;
+ }
+ else if (! a->device && b->device)
+ {
+ return 1;
+ }
+ else
+ {
+ return gimp_object_name_collate ((GimpObject *) a,
+ (GimpObject *) b);
+ }
+}