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gimp/app/widgets/gimpdeviceinfo.c

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/* The GIMP -- an 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 2 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, write to the Free Software
* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
#include "config.h"
#include <string.h>
#include <gtk/gtk.h>
#include "widgets-types.h"
#include "core/gimp.h"
#include "core/gimpcontainer.h"
#include "core/gimpdatafactory.h"
#include "core/gimpmarshal.h"
#include "gimpdeviceinfo.h"
#define GIMP_DEVICE_INFO_DATA_KEY "gimp-device-info"
enum
{
CHANGED,
LAST_SIGNAL
};
/* local function prototypes */
static void gimp_device_info_class_init (GimpDeviceInfoClass *klass);
static void gimp_device_info_init (GimpDeviceInfo *device_info);
static void gimp_device_info_finalize (GObject *object);
static GimpContextClass *parent_class = NULL;
static guint device_info_signals[LAST_SIGNAL] = { 0 };
GType
gimp_device_info_get_type (void)
{
static GType device_info_type = 0;
if (! device_info_type)
{
static const GTypeInfo device_info_info =
{
sizeof (GimpDeviceInfoClass),
(GBaseInitFunc) NULL,
(GBaseFinalizeFunc) NULL,
(GClassInitFunc) gimp_device_info_class_init,
NULL, /* class_finalize */
NULL, /* class_data */
sizeof (GimpDeviceInfo),
0, /* n_preallocs */
(GInstanceInitFunc) gimp_device_info_init,
};
device_info_type = g_type_register_static (GIMP_TYPE_CONTEXT,
"GimpDeviceInfo",
&device_info_info, 0);
}
return device_info_type;
}
static void
gimp_device_info_class_init (GimpDeviceInfoClass *klass)
{
GObjectClass *object_class;
object_class = G_OBJECT_CLASS (klass);
parent_class = g_type_class_peek_parent (klass);
device_info_signals[CHANGED] =
g_signal_new ("changed",
G_TYPE_FROM_CLASS (klass),
G_SIGNAL_RUN_FIRST,
G_STRUCT_OFFSET (GimpDeviceInfoClass, changed),
NULL, NULL,
gimp_marshal_VOID__VOID,
G_TYPE_NONE, 0);
object_class->finalize = gimp_device_info_finalize;
}
static void
gimp_device_info_init (GimpDeviceInfo *device_info)
{
device_info->device = NULL;
device_info->mode = GDK_MODE_DISABLED;
device_info->num_axes = 0;
device_info->axes = NULL;
device_info->num_keys = 0;
device_info->keys = NULL;
}
static void
gimp_device_info_finalize (GObject *object)
{
GimpDeviceInfo *device_info;
device_info = GIMP_DEVICE_INFO (object);
if (device_info->axes)
g_free (device_info->axes);
if (device_info->keys)
g_free (device_info->keys);
G_OBJECT_CLASS (parent_class)->finalize (object);
}
GimpDeviceInfo *
gimp_device_info_new (Gimp *gimp,
const gchar *name)
{
GimpDeviceInfo *device_info;
GimpContext *context;
g_return_val_if_fail (GIMP_IS_GIMP (gimp), NULL);
g_return_val_if_fail (name != NULL, NULL);
device_info = g_object_new (GIMP_TYPE_DEVICE_INFO,
"name", name,
"gimp", gimp,
NULL);
context = GIMP_CONTEXT (device_info);
gimp_context_define_properties (context,
GIMP_DEVICE_INFO_CONTEXT_MASK,
FALSE);
gimp_context_copy_properties (gimp_get_user_context (gimp),
context,
GIMP_DEVICE_INFO_CONTEXT_MASK);
/*
* FIXME: this is ugly and needs to be done via "notify" once
* the contexts' properties are dynamic.
*/
g_signal_connect_swapped (G_OBJECT (context), "foreground_changed",
G_CALLBACK (gimp_device_info_changed),
device_info);
g_signal_connect_swapped (G_OBJECT (context), "background_changed",
G_CALLBACK (gimp_device_info_changed),
device_info);
g_signal_connect_swapped (G_OBJECT (context), "tool_changed",
G_CALLBACK (gimp_device_info_changed),
device_info);
g_signal_connect_swapped (G_OBJECT (context), "brush_changed",
G_CALLBACK (gimp_device_info_changed),
device_info);
g_signal_connect_swapped (G_OBJECT (context), "pattern_changed",
G_CALLBACK (gimp_device_info_changed),
device_info);
g_signal_connect_swapped (G_OBJECT (context), "gradient_changed",
G_CALLBACK (gimp_device_info_changed),
device_info);
return device_info;
}
GimpDeviceInfo *
gimp_device_info_set_from_device (GimpDeviceInfo *device_info,
GdkDevice *device)
{
g_return_val_if_fail (GIMP_IS_DEVICE_INFO (device_info), NULL);
g_return_val_if_fail (GDK_IS_DEVICE (device), NULL);
g_object_set_data (G_OBJECT (device), GIMP_DEVICE_INFO_DATA_KEY, device_info);
device_info->device = device;
device_info->mode = device->mode;
device_info->num_axes = device->num_axes;
device_info->axes = NULL;
device_info->num_keys = device->num_keys;
device_info->keys = NULL;
return device_info;
}
GimpDeviceInfo *
gimp_device_info_set_from_rc (GimpDeviceInfo *device_info,
GimpDeviceValues values,
GdkInputMode mode,
gint num_axes,
const GdkAxisUse *axes,
gint num_keys,
const GdkDeviceKey *keys,
const gchar *tool_name,
const GimpRGB *foreground,
const GimpRGB *background,
const gchar *brush_name,
const gchar *pattern_name,
const gchar *gradient_name)
{
GimpContext *context;
g_return_val_if_fail (GIMP_IS_DEVICE_INFO (device_info), NULL);
context = GIMP_CONTEXT (device_info);
if (values & GIMP_DEVICE_VALUE_MODE)
{
device_info->mode = mode;
if (device_info->device)
{
gdk_device_set_mode (device_info->device, mode);
}
}
if (values & GIMP_DEVICE_VALUE_AXES)
{
device_info->num_axes = num_axes;
device_info->axes = g_new (GdkAxisUse, num_axes);
memcpy (device_info->axes, axes, num_axes * sizeof (GdkAxisUse));
if (device_info->device && (num_axes >= device_info->device->num_axes))
{
gint i;
for (i = 0; i < MIN (num_axes, device_info->device->num_axes); i++)
{
gdk_device_set_axis_use (device_info->device, i, axes[i]);
}
}
}
if (values & GIMP_DEVICE_VALUE_KEYS)
{
device_info->num_keys = num_keys;
device_info->keys = g_new (GdkDeviceKey, num_keys);
memcpy (device_info->keys, axes, num_keys * sizeof (GdkDeviceKey));
if (device_info->device && (num_keys >= device_info->device->num_keys))
{
gint i;
for (i = 0; i < MIN (num_keys, device_info->device->num_keys); i++)
{
gdk_device_set_key (device_info->device, i,
keys[i].keyval,
keys[i].modifiers);
}
}
}
if (values & GIMP_DEVICE_VALUE_TOOL)
{
GimpToolInfo *tool_info;
tool_info = (GimpToolInfo *)
gimp_container_get_child_by_name (context->gimp->tool_info_list,
tool_name);
if (tool_info)
{
gimp_context_set_tool (context, tool_info);
}
else
{
g_free (context->tool_name);
context->tool_name = g_strdup (tool_name);
}
}
if (values & GIMP_DEVICE_VALUE_FOREGROUND)
{
gimp_context_set_foreground (context, foreground);
}
if (values & GIMP_DEVICE_VALUE_BACKGROUND)
{
gimp_context_set_background (context, background);
}
if (values & GIMP_DEVICE_VALUE_BRUSH)
{
GimpBrush *brush;
brush = (GimpBrush *)
gimp_container_get_child_by_name (context->gimp->brush_factory->container,
brush_name);
if (brush)
{
gimp_context_set_brush (context, brush);
}
else if (context->gimp->no_data)
{
g_free (context->brush_name);
context->brush_name = g_strdup (brush_name);
}
}
if (values & GIMP_DEVICE_VALUE_PATTERN)
{
GimpPattern *pattern;
pattern = (GimpPattern *)
gimp_container_get_child_by_name (context->gimp->pattern_factory->container,
pattern_name);
if (pattern)
{
gimp_context_set_pattern (context, pattern);
}
else if (context->gimp->no_data)
{
g_free (context->pattern_name);
context->pattern_name = g_strdup (pattern_name);
}
}
if (values & GIMP_DEVICE_VALUE_GRADIENT)
{
GimpGradient *gradient;
gradient = (GimpGradient *)
gimp_container_get_child_by_name (context->gimp->gradient_factory->container,
gradient_name);
if (gradient)
{
gimp_context_set_gradient (context, gradient);
}
else if (context->gimp->no_data)
{
g_free (context->gradient_name);
context->gradient_name = g_strdup (gradient_name);
}
}
return device_info;
}
void
gimp_device_info_changed (GimpDeviceInfo *device_info)
{
g_return_if_fail (GIMP_IS_DEVICE_INFO (device_info));
g_signal_emit (G_OBJECT (device_info), device_info_signals[CHANGED], 0);
}
void
gimp_device_info_save (GimpDeviceInfo *device_info,
FILE *fp)
{
GimpContext *context;
GdkDevice *device;
gchar *mode = NULL;
gint i;
g_return_if_fail (GIMP_IS_DEVICE_INFO (device_info));
g_return_if_fail (fp != NULL);
context = GIMP_CONTEXT (device_info);
device = device_info->device;
fprintf (fp, "(device \"%s\"", GIMP_OBJECT (device_info)->name);
switch (device ? device->mode : device_info->mode)
{
case GDK_MODE_DISABLED:
mode = "disabled";
break;
case GDK_MODE_SCREEN:
mode = "screen";
break;
case GDK_MODE_WINDOW:
mode = "window";
break;
}
fprintf (fp, "\n (mode %s)", mode);
fprintf (fp, "\n (axes %d",
device ? device->num_axes : device_info->num_axes);
for (i = 0; i < (device ? device->num_axes : device_info->num_axes); i++)
{
gchar *axis_type = NULL;
switch (device ? device->axes[i].use : device_info->axes[i])
{
case GDK_AXIS_IGNORE:
axis_type = "ignore";
break;
case GDK_AXIS_X:
axis_type = "x";
break;
case GDK_AXIS_Y:
axis_type = "y";
break;
case GDK_AXIS_PRESSURE:
axis_type = "pressure";
break;
case GDK_AXIS_XTILT:
axis_type = "xtilt";
break;
case GDK_AXIS_YTILT:
axis_type = "ytilt";
break;
case GDK_AXIS_WHEEL:
axis_type = "wheel";
break;
}
fprintf (fp, " %s",axis_type);
}
fprintf (fp,")");
fprintf (fp, "\n (keys %d",
device ? device->num_keys : device_info->num_keys);
for (i = 0; i < (device ? device->num_keys : device_info->num_keys); i++)
{
GdkModifierType modifiers = (device ? device->keys[i].modifiers :
device_info->keys[i].modifiers);
guint keyval = (device ? device->keys[i].keyval :
device_info->keys[i].keyval);
if (keyval)
{
/* FIXME: integrate this back with menus_install_accelerator */
gchar accel[64];
gchar t2[2];
accel[0] = '\0';
if (modifiers & GDK_CONTROL_MASK)
strcat (accel, "<control>");
if (modifiers & GDK_SHIFT_MASK)
strcat (accel, "<shift>");
if (modifiers & GDK_MOD1_MASK)
strcat (accel, "<alt>");
t2[0] = keyval;
t2[1] = '\0';
strcat (accel, t2);
fprintf (fp, " \"%s\"",accel);
}
else
{
fprintf (fp, " \"\"");
}
}
fprintf (fp,")");
if (gimp_context_get_tool (context))
{
fprintf (fp, "\n (tool \"%s\")",
GIMP_OBJECT (gimp_context_get_tool (context))->name);
}
{
GimpRGB color;
gchar buf[3][G_ASCII_DTOSTR_BUF_SIZE];
gimp_context_get_foreground (context, &color);
g_ascii_formatd (buf[0], G_ASCII_DTOSTR_BUF_SIZE, "%f", color.r);
g_ascii_formatd (buf[1], G_ASCII_DTOSTR_BUF_SIZE, "%f", color.g);
g_ascii_formatd (buf[2], G_ASCII_DTOSTR_BUF_SIZE, "%f", color.b);
fprintf (fp, "\n (foreground (color-rgb %s %s %s))",
buf[0], buf[1], buf[2]);
gimp_context_get_background (context, &color);
g_ascii_formatd (buf[0], G_ASCII_DTOSTR_BUF_SIZE, "%f", color.r);
g_ascii_formatd (buf[1], G_ASCII_DTOSTR_BUF_SIZE, "%f", color.g);
g_ascii_formatd (buf[2], G_ASCII_DTOSTR_BUF_SIZE, "%f", color.b);
fprintf (fp, "\n (background (color-rgb %s %s %s))",
buf[0], buf[1], buf[2]);
}
if (gimp_context_get_brush (context))
{
fprintf (fp, "\n (brush \"%s\")",
GIMP_OBJECT (gimp_context_get_brush (context))->name);
}
if (gimp_context_get_pattern (context))
{
fprintf (fp, "\n (pattern \"%s\")",
GIMP_OBJECT (gimp_context_get_pattern (context))->name);
}
if (gimp_context_get_gradient (context))
{
fprintf (fp, "\n (gradient \"%s\")",
GIMP_OBJECT (gimp_context_get_gradient (context))->name);
}
fprintf(fp,")\n");
}
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);
}
void
gimp_device_info_changed_by_device (GdkDevice *device)
{
GimpDeviceInfo *device_info;
g_return_if_fail (GDK_IS_DEVICE (device));
device_info = g_object_get_data (G_OBJECT (device), GIMP_DEVICE_INFO_DATA_KEY);
if (device_info)
gimp_device_info_changed (device_info);
}
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