gtk/gdk/linux-fb/gdkinput.c
Tim Janik afee2c67c5 applied patch from Andreas Persenius <ndap@swipnet.se> that updates the
Wed Jul 26 12:59:31 2000  Tim Janik  <timj@gtk.org>

        * *.[hc]: applied patch from Andreas Persenius <ndap@swipnet.se> that
        updates the license headers to the GNU Lesser General Public License,
        as well as updating the copyright year to 2000.
2000-07-26 11:33:08 +00:00

340 lines
7.8 KiB
C

/* GDK - The GIMP Drawing Kit
* Copyright (C) 1995-1997 Peter Mattis, Spencer Kimball and Josh MacDonald
*
* 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, write to the
* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
* Boston, MA 02111-1307, USA.
*/
/*
* Modified by the GTK+ Team and others 1997-2000. See the AUTHORS
* file for a list of people on the GTK+ Team. See the ChangeLog
* files for a list of changes. These files are distributed with
* GTK+ at ftp://ftp.gtk.org/pub/gtk/.
*/
#include <stdlib.h>
#include "config.h"
#include "gdkprivate-fb.h"
#include "gdkinput.h"
#include "gdkprivate.h"
#include "gdkinputprivate.h"
static const GdkDeviceAxis gdk_input_core_axes[] = {
{ GDK_AXIS_X, 0, 0 },
{ GDK_AXIS_Y, 0, 0 }
};
static GdkDevice gdk_input_core_info =
{
"Core Pointer",
GDK_SOURCE_MOUSE,
GDK_MODE_SCREEN,
TRUE,
2,
(GdkDeviceAxis *)gdk_input_core_axes,
0,
NULL
};
GdkDevice *gdk_core_pointer = (GdkDevice *)&gdk_input_core_info;
/* Global variables */
gchar *gdk_input_gxid_host;
gint gdk_input_gxid_port;
gint gdk_input_ignore_core;
GList *gdk_input_windows;
GList *gdk_input_devices;
GList *
gdk_devices_list (void)
{
return gdk_input_devices;
}
void
gdk_device_set_source (GdkDevice *device, GdkInputSource source)
{
device->source = source;
}
void
gdk_device_set_key (GdkDevice *device,
guint index,
guint keyval,
GdkModifierType modifiers)
{
g_return_if_fail (device != NULL);
g_return_if_fail (index < device->num_keys);
device->keys[index].keyval = keyval;
device->keys[index].modifiers = modifiers;
}
void
gdk_device_set_axis_use (GdkDevice *device,
guint index,
GdkAxisUse use)
{
g_return_if_fail (device != NULL);
g_return_if_fail (index < device->num_axes);
device->axes[index].use = use;
switch (use)
{
case GDK_AXIS_X:
case GDK_AXIS_Y:
device->axes[index].min = 0.;
device->axes[index].max = 0.;
break;
case GDK_AXIS_XTILT:
case GDK_AXIS_YTILT:
device->axes[index].min = -1.;
device->axes[index].max = 1;
break;
default:
device->axes[index].min = 0.;
device->axes[index].max = 1;
break;
}
}
void
gdk_device_get_state (GdkDevice *device,
GdkWindow *window,
gdouble *axes,
GdkModifierType *mask)
{
gint x_int, y_int;
g_assert(device == gdk_core_pointer);
gdk_window_get_pointer (window, &x_int, &y_int, mask);
if (axes)
{
axes[0] = x_int;
axes[1] = y_int;
}
}
void
gdk_device_free_history (GdkTimeCoord **events,
gint n_events)
{
gint i;
for (i=0; i<n_events; i++)
g_free (events[i]);
g_free (events);
}
gboolean
gdk_device_get_history (GdkDevice *device,
GdkWindow *window,
guint32 start,
guint32 stop,
GdkTimeCoord ***events,
gint *n_events)
{
g_return_val_if_fail (window != NULL, FALSE);
g_return_val_if_fail (GDK_IS_WINDOW (window), FALSE);
g_return_val_if_fail (events != NULL, FALSE);
g_return_val_if_fail (n_events != NULL, FALSE);
*n_events = 0;
*events = NULL;
return FALSE;
}
gboolean
gdk_device_set_mode (GdkDevice *device,
GdkInputMode mode)
{
return FALSE;
}
gint
gdk_input_enable_window (GdkWindow *window, GdkDevicePrivate *gdkdev)
{
return TRUE;
}
gint
gdk_input_disable_window (GdkWindow *window, GdkDevicePrivate *gdkdev)
{
return TRUE;
}
GdkInputWindow *
gdk_input_window_find(GdkWindow *window)
{
GList *tmp_list;
for (tmp_list=gdk_input_windows; tmp_list; tmp_list=tmp_list->next)
if (((GdkInputWindow *)(tmp_list->data))->window == window)
return (GdkInputWindow *)(tmp_list->data);
return NULL; /* Not found */
}
/* FIXME: this routine currently needs to be called between creation
and the corresponding configure event (because it doesn't get the
root_relative_geometry). This should work with
gtk_window_set_extension_events, but will likely fail in other
cases */
void
gdk_input_set_extension_events (GdkWindow *window, gint mask,
GdkExtensionMode mode)
{
GdkWindowPrivate *window_private;
GList *tmp_list;
GdkInputWindow *iw;
g_return_if_fail (window != NULL);
g_return_if_fail (GDK_IS_WINDOW (window));
window_private = (GdkWindowPrivate*) window;
if (mode == GDK_EXTENSION_EVENTS_NONE)
mask = 0;
if (mask != 0)
{
iw = g_new(GdkInputWindow,1);
iw->window = window;
iw->mode = mode;
iw->obscuring = NULL;
iw->num_obscuring = 0;
iw->grabbed = FALSE;
gdk_input_windows = g_list_append(gdk_input_windows,iw);
window_private->extension_events = mask;
/* Add enter window events to the event mask */
/* FIXME, this is not needed for XINPUT_NONE */
gdk_window_set_events (window,
gdk_window_get_events (window) |
GDK_ENTER_NOTIFY_MASK);
}
else
{
iw = gdk_input_window_find (window);
if (iw)
{
gdk_input_windows = g_list_remove(gdk_input_windows,iw);
g_free(iw);
}
window_private->extension_events = 0;
}
for (tmp_list = gdk_input_devices; tmp_list; tmp_list = tmp_list->next)
{
GdkDevicePrivate *gdkdev = (GdkDevicePrivate *)(tmp_list->data);
if (gdkdev != (GdkDevicePrivate *)gdk_core_pointer)
{
if (mask != 0 && gdkdev->info.mode != GDK_MODE_DISABLED
&& (gdkdev->info.has_cursor || mode == GDK_EXTENSION_EVENTS_ALL))
gdk_input_enable_window(window,gdkdev);
else
gdk_input_disable_window(window,gdkdev);
}
}
}
void
gdk_input_window_destroy (GdkWindow *window)
{
GdkInputWindow *input_window;
input_window = gdk_input_window_find (window);
g_return_if_fail (input_window != NULL);
gdk_input_windows = g_list_remove (gdk_input_windows,input_window);
g_free(input_window);
}
void
gdk_input_exit (void)
{
GList *tmp_list;
GdkDevicePrivate *gdkdev;
for (tmp_list = gdk_input_devices; tmp_list; tmp_list = tmp_list->next)
{
gdkdev = (GdkDevicePrivate *)(tmp_list->data);
if (gdkdev != (GdkDevicePrivate *)gdk_core_pointer)
{
gdk_device_set_mode((GdkDevice *)gdkdev, GDK_MODE_DISABLED);
g_free(gdkdev->info.name);
g_free(gdkdev->info.axes);
g_free(gdkdev->info.keys);
g_free(gdkdev);
}
}
g_list_free(gdk_input_devices);
for (tmp_list = gdk_input_windows; tmp_list; tmp_list = tmp_list->next)
{
g_free(tmp_list->data);
}
g_list_free(gdk_input_windows);
}
/**
* gdk_device_get_axis:
* @axis: a #GdkDevice
* @axes: pointer to an array of axes
* @use: the use to look for
* @value: location to store the found value.
*
* Interprets an array of double as axis values for a given device,
* and locates the value in the array for a given axis use.
*
* Return value: %TRUE if the given axis use was found, otherwies %FALSE
**/
gboolean
gdk_device_get_axis (GdkDevice *device, gdouble *axes, GdkAxisUse use, gdouble *value)
{
gint i;
g_return_val_if_fail (device != NULL, FALSE);
if (axes == NULL)
return FALSE;
for (i=0; i<device->num_axes; i++)
if (device->axes[i].use == use)
{
if (value)
*value = axes[i];
return TRUE;
}
return FALSE;
}