diff options
Diffstat (limited to 'gdk/x11/gdkinput-gxi.c')
| -rw-r--r-- | gdk/x11/gdkinput-gxi.c | 574 |
1 files changed, 0 insertions, 574 deletions
diff --git a/gdk/x11/gdkinput-gxi.c b/gdk/x11/gdkinput-gxi.c deleted file mode 100644 index 44e3acdd9..000000000 --- a/gdk/x11/gdkinput-gxi.c +++ /dev/null @@ -1,574 +0,0 @@ -/* 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 "gdkinputprivate.h" -#include "gdkx.h" - -/* #define DEBUG_SWITCHING */ - -#include <gxid_lib.h> - -/* Forward declarations */ -static void gdk_input_gxi_select_notify (GdkDevicePrivate *gdkdev); -static gint gdk_input_is_extension_device (GdkDevicePrivate *device_private); -static void gdk_input_gxi_update_device (GdkDevicePrivate *gdkdev); - -static Window gdk_input_find_root_child(Display *dpy, Window w); -static void gdk_input_compute_obscuring(GdkInputWindow *input_window); -static gint gdk_input_is_obscured(GdkInputWindow *input_window, gdouble x, - gdouble y); - -/* Local variables */ - -static GdkDevicePrivate *gdk_input_current_device; -static GdkDevicePrivate *gdk_input_core_pointer; - -void -_gdk_input_init(void) -{ - GList *tmp_list; - - _gdk_init_input_core (); - _gdk_input_ignore_core = FALSE; - gdk_input_core_pointer = NULL; - - if (!_gdk_input_gxid_host) - { - _gdk_input_gxid_host = getenv("GXID_HOST"); - } - if (!_gdk_input_gxid_port) - { - char *t = getenv("GXID_PORT"); - if (t) - _gdk_input_gxid_port = atoi(t); - } - - gdk_input_common_init(TRUE); - - /* find initial core pointer */ - - for (tmp_list = _gdk_input_devices; tmp_list; tmp_list = tmp_list->next) - { - GdkDevicePrivate *gdkdev = (GdkDevicePrivate *)tmp_list->data; - if (gdk_input_is_extension_device (gdkdev)) - { - gdk_input_gxi_select_notify (gdkdev); - } - else - { - if (!GDK_IS_CORE (gdkdev)) - gdk_input_core_pointer = gdkdev; - } - } -} - -static void -gdk_input_gxi_select_notify (GdkDevicePrivate *gdkdev) -{ - XEventClass class; - - ChangeDeviceNotify (gdkdev->xdevice, gdkdev->changenotify_type, class); - - XSelectExtensionEvent (gdk_display, _gdk_root_window, &class, 1); -} - -/* Set the core pointer. Device should already be enabled. */ -static gint -gdk_input_gxi_set_core_pointer(GdkDevicePrivate *gdkdev) -{ - gint x_axis = -1; - gint y_axis = -1; - gint i; - - g_return_val_if_fail(gdkdev->xdevice,FALSE); - - for (i=0; i<gdkdev->info.num_axes; i++) - { - if (gdkdev->info.axes[i].use == GDK_AXIS_X) - x_axis = i; - else if (gdkdev->info.axes[i].use == GDK_AXIS_Y) - y_axis = i; - } - - g_return_val_if_fail (x_axis != -1 && y_axis != -1,FALSE); - - /* core_pointer might not be up to date so we check with the server - before change the pointer */ - - if (!gdk_input_is_extension_device (gdkdev)) - { -#if 0 - if (gdkdev != gdk_input_core_pointer) - g_warning("core pointer inconsistency"); -#endif - return TRUE; - } - - if ( XChangePointerDevice(gdk_display,gdkdev->xdevice, x_axis, y_axis) - != Success ) - { - return FALSE; - } - else - { - gdk_input_gxi_update_device (gdk_input_core_pointer); - gdk_input_core_pointer = gdkdev; - return TRUE; - } -} - - -/* FIXME, merge with the XFree implementation */ - -gboolean -gdk_device_set_mode (GdkDevice *device, - GdkInputMode mode) -{ - GList *tmp_list; - GdkDevicePrivate *gdkdev; - GdkInputMode old_mode; - GdkInputWindow *input_window; - - if (GDK_IS_CORE (device)) - return FALSE; - - gdkdev = (GdkDevicePrivate *)device; - - if (device->mode == mode) - return TRUE; - - old_mode = device->mode; - device->mode = mode; - - if (old_mode != GDK_MODE_DISABLED) - { - for (tmp_list = _gdk_input_windows; tmp_list; tmp_list = tmp_list->next) - { - input_window = (GdkInputWindow *)tmp_list->data; - if (input_window->mode != GDK_EXTENSION_EVENTS_CURSOR) - _gdk_input_disable_window (input_window->window, gdkdev); - } - } - - if (mode != GDK_MODE_DISABLED) - { - for (tmp_list = _gdk_input_windows; tmp_list; tmp_list = tmp_list->next) - { - input_window = (GdkInputWindow *)tmp_list->data; - if (input_window->mode != GDK_EXTENSION_EVENTS_CURSOR) - if (!_gdk_input_enable_window(input_window->window, gdkdev)) - { - gdk_device_set_mode (device, old_mode); - return FALSE; - } - } - } - - return TRUE; -} - -gint -gdk_input_is_extension_device (GdkDevicePrivate *private) -{ - XDeviceInfo *devices; - int num_devices, loop; - - if (GDK_IS_CORE (private)) - return FALSE; - - devices = XListInputDevices(gdk_display, &num_devices); - for(loop=0; loop<num_devices; loop++) - { - if ((devices[loop].id == private->deviceid) && - (devices[loop].use == IsXExtensionDevice)) - { - XFreeDeviceList(devices); - return TRUE; - } - } - - XFreeDeviceList(devices); - return FALSE; -} - -void -_gdk_input_configure_event (XConfigureEvent *xevent, GdkWindow *window) -{ - GdkInputWindow *input_window; - gint root_x, root_y; - - input_window = gdk_input_window_find(window); - g_return_if_fail (input_window != NULL); - - gdk_input_get_root_relative_geometry(gdk_display,GDK_WINDOW_XWINDOW(window), - &root_x, &root_y, NULL, NULL); - input_window->root_x = root_x; - input_window->root_y = root_y; - gdk_input_compute_obscuring(input_window); -} - -void -_gdk_input_enter_event (XCrossingEvent *xevent, GdkWindow *window) -{ - GdkInputWindow *input_window; - - input_window = gdk_input_window_find(window); - g_return_if_fail (input_window != NULL); - - gdk_input_compute_obscuring(input_window); -} - -gint -_gdk_input_other_event (GdkEvent *event, - XEvent *xevent, - GdkWindow *window) -{ - GdkInputWindow *input_window; - GdkWindowImplX11 *impl; - - GdkDevicePrivate *gdkdev; - gint return_val; - - input_window = gdk_input_window_find(window); - g_return_val_if_fail (window != NULL, -1); - - impl = GDK_WINDOW_IMPL_X11 (((GdkWindowObject *) input_window->window)->impl); - - /* This is a sort of a hack, as there isn't any XDeviceAnyEvent - - but it's potentially faster than scanning through the types of - every device. If we were deceived, then it won't match any of - the types for the device anyways */ - gdkdev = gdk_input_find_device(((XDeviceButtonEvent *)xevent)->deviceid); - - if (!gdkdev) - { - return -1; /* we don't handle it - not an XInput event */ - } - - if (gdkdev->info.mode == GDK_MODE_DISABLED || - input_window->mode == GDK_EXTENSION_EVENTS_CURSOR) - return FALSE; - - if (gdkdev != gdk_input_current_device && - xevent->type != gdkdev->changenotify_type) - { - gdk_input_current_device = gdkdev; - } - - return_val = gdk_input_common_other_event (event, xevent, - input_window, gdkdev); - - if (return_val > 0 && event->type == GDK_MOTION_NOTIFY && - (!gdkdev->button_state) && (!input_window->grabbed) && - ((event->motion.x < 0) || (event->motion.y < 0) || - (event->motion.x > impl->width) || - (event->motion.y > impl->height) || - gdk_input_is_obscured(input_window,event->motion.x,event->motion.y))) - { -#ifdef DEBUG_SWITCHING - g_print("gdkinput: Setting core pointer to %d on motion at (%f,%f)\n", - gdkdev->info.deviceid,event->motion.x,event->motion.y); - g_print(" window geometry is: %dx%d\n", - ((GdkWindowPrivate *)window)->width, - ((GdkWindowPrivate *)window)->height); -#endif - gdk_input_gxi_set_core_pointer(gdkdev); - return FALSE; - } - else - return return_val; - -} - -static void -gdk_input_gxi_update_device (GdkDevicePrivate *gdkdev) -{ - GList *t; - - if (gdk_input_is_extension_device (gdkdev)) - { - if (!gdkdev->xdevice) - { - gdkdev->xdevice = XOpenDevice(gdk_display, gdkdev->deviceid); - gdk_input_gxi_select_notify (gdkdev); - gdkdev->needs_update = 1; - } - if (gdkdev->needs_update && gdkdev->xdevice) - { - for (t = _gdk_input_windows; t; t = t->next) - gdk_input_common_select_events (((GdkInputWindow *)t->data)->window, - gdkdev); - gdkdev->needs_update = 0; - } - } -} - -gint -_gdk_input_window_none_event (GdkEvent *event, XEvent *xevent) -{ - GdkDevicePrivate *gdkdev = - gdk_input_find_device(((XDeviceButtonEvent *)xevent)->deviceid); - - if (!gdkdev) { - return -1; /* we don't handle it - not an XInput event */ - } - - if (xevent->type == gdkdev->changenotify_type) - { - if (gdk_input_core_pointer != gdkdev) - { -#ifdef DEBUG_SWITCHING - g_print("ChangeNotify from %d to %d:\n", - gdk_input_core_pointer->info.deviceid, - gdkdev->info.deviceid); -#endif - gdk_input_gxi_update_device (gdk_input_core_pointer); - gdk_input_core_pointer = gdkdev; - } - } - - return FALSE; -} - -gboolean -_gdk_input_enable_window (GdkWindow *window, GdkDevicePrivate *gdkdev) -{ - GdkInputWindow *input_window; - - input_window = gdk_input_window_find (window); - g_return_val_if_fail (input_window != NULL, FALSE); - - if (!gdkdev->claimed) - { - if (_gxid_claim_device(_gdk_input_gxid_host, _gdk_input_gxid_port, - gdkdev->deviceid, - GDK_WINDOW_XWINDOW(window), FALSE) != - GXID_RETURN_OK) - { - g_warning("Could not get device (is gxid running?)\n"); - return FALSE; - } - gdkdev->claimed = TRUE; - } - - if (gdkdev->xdevice && gdkdev != gdk_input_core_pointer) - gdk_input_common_select_events(window, gdkdev); - else - gdkdev->needs_update = TRUE; - - return TRUE; -} - -gboolean -_gdk_input_disable_window (GdkWindow *window, GdkDevicePrivate *gdkdev) -{ - GdkInputWindow *input_window; - - input_window = gdk_input_window_find (window); - g_return_val_if_fail (input_window != NULL, FALSE); - - if (gdkdev->claimed) - { - _gxid_release_device(_gdk_input_gxid_host, _gdk_input_gxid_port, - gdkdev->deviceid, - GDK_WINDOW_XWINDOW(window)); - - gdkdev->claimed = FALSE; - } - - if (gdkdev->xdevice && gdkdev != gdk_input_core_pointer) - gdk_input_common_select_events(window, gdkdev); - else - gdkdev->needs_update = TRUE; - - return TRUE; -} - -static gint -gdk_input_is_obscured(GdkInputWindow *input_window, gdouble x, gdouble y) -{ - int i; - for (i=0;i<input_window->num_obscuring;i++) - { - GdkRectangle *rect = &input_window->obscuring[i]; - if ((x >= rect->x) && - (y >= rect->y) && - (x < rect->x + rect->width) && - (y < rect->y + rect->height)) - return TRUE; - } - return FALSE; -} - -/* If this routine needs fixing, the corresponding routine - in gxid.c will need it too. */ - -static Window -gdk_input_find_root_child(Display *dpy, Window w) -{ - Window root,parent; - Window *children; - int nchildren; - - parent = w; - do - { - w = parent; - XQueryTree(dpy,w,&root,&parent,&children,&nchildren); - if (children) XFree(children); - } - while (parent != root); - - return w; -} - -static void -gdk_input_compute_obscuring(GdkInputWindow *input_window) -{ - int i; - int x,y,width,height; - int xc,yc,widthc,heightc,border_widthc,depthc; - - Window root,parent; - Window *children; - int nchildren; - - Window w = GDK_WINDOW_XWINDOW(input_window->window); - Window root_child = gdk_input_find_root_child(gdk_display,w); - gdk_input_get_root_relative_geometry(gdk_display,w,&x,&y,&width,&height); - - input_window->root_x = x; - input_window->root_y = y; - - XQueryTree(gdk_display,GDK_ROOT_WINDOW(), - &root,&parent,&children,&nchildren); - - - if (input_window->obscuring) - g_free(input_window->obscuring); - input_window->obscuring = 0; - input_window->num_obscuring = 0; - - for (i=0;i<nchildren;i++) - if (children[i] == root_child) - break; - - if (i>=nchildren-1) - { - if (nchildren) - XFree(children); - return; - } - - input_window->obscuring = g_new(GdkRectangle,(nchildren-i-1)); - - for (i=i+1;i<nchildren;i++) - { - int xmin, xmax, ymin, ymax; - XGetGeometry(gdk_display,children[i],&root,&xc,&yc,&widthc,&heightc, - &border_widthc, &depthc); - xmin = xc>x ? xc : x; - xmax = (xc+widthc)<(x+width) ? xc+widthc : x+width; - ymin = yc>y ? yc : y; - ymax = (yc+heightc)<(y+height) ? yc+heightc : y+height; - if ((xmin < xmax) && (ymin < ymax)) - { - XWindowAttributes attributes; - XGetWindowAttributes(gdk_display,children[i],&attributes); - if (attributes.map_state == IsViewable) - { - GdkRectangle *rect = &input_window->obscuring[input_window->num_obscuring]; - - /* we store the whole window, not just the obscuring part */ - rect->x = xc - x; - rect->y = yc - y; - rect->width = widthc; - rect->height = heightc; - input_window->num_obscuring++; - } - } - } - - if (nchildren) - XFree(children); -} - -gint -_gdk_input_grab_pointer (GdkWindow * window, - gint owner_events, - GdkEventMask event_mask, - GdkWindow * confine_to, - guint32 time) -{ - GList *tmp_list; - GdkInputWindow *input_window; - GdkDevicePrivate *gdkdev; - - tmp_list = _gdk_input_windows; - while (tmp_list) - { - input_window = (GdkInputWindow *)tmp_list->data; - - if (input_window->window == window) - input_window->grabbed = TRUE; - else if (input_window->grabbed) - input_window->grabbed = FALSE; - - tmp_list = tmp_list->next; - } - - tmp_list = _gdk_input_devices; - while (tmp_list) - { - gdkdev = (GdkDevicePrivate *)tmp_list->data; - if (!GDK_IS_CORE (gdkdev) && - gdkdev->xdevice && - (gdkdev->button_state != 0)) - gdkdev->button_state = 0; - - tmp_list = tmp_list->next; - } - - return Success; -} - -void -_gdk_input_ungrab_pointer (guint32 time) -{ - GdkInputWindow *input_window; - GList *tmp_list; - - tmp_list = _gdk_input_windows; - while (tmp_list) - { - input_window = (GdkInputWindow *)tmp_list->data; - if (input_window->grabbed) - input_window->grabbed = FALSE; - tmp_list = tmp_list->next; - } -} |