Initial revision
This commit is contained in:
Elliot Lee
687
gdk/x11/gdkinput-x11.c
Normal file
687
gdk/x11/gdkinput-x11.c
Normal file
@ -0,0 +1,687 @@
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/* GDK - The GIMP Drawing Kit
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* Copyright (C) 1995-1997 Peter Mattis, Spencer Kimball and Josh MacDonald
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Library General Public
|
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
||||
* Library General Public License for more details.
|
||||
*
|
||||
* You should have received a copy of the GNU Library General Public
|
||||
* License along with this library; if not, write to the Free
|
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* Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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*/
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#if defined(XINPUT_GXI) || defined(XINPUT_XFREE)
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/* Forward declarations */
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static void gdk_input_get_root_relative_geometry (Display *dpy, Window w,
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int *x_ret, int *y_ret,
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int *width_ret,
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int *height_ret);
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static GdkDevicePrivate *gdk_input_device_new(XDeviceInfo *device,
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gint include_core);
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static void gdk_input_common_find_events(GdkWindow *window,
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GdkDevicePrivate *gdkdev,
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gint mask,
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XEventClass *classes,
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int *num_classes);
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static void gdk_input_common_select_events(GdkWindow *window,
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GdkDevicePrivate *gdkdev);
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static void gdk_input_translate_coordinates(GdkDevicePrivate *gdkdev,
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GdkInputWindow *input_window,
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gint *axis_data,
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gdouble *x, gdouble *y,
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gdouble *pressure,
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gdouble *xtilt, gdouble *ytilt);
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static guint gdk_input_translate_state(guint state, guint device_state);
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static gint gdk_input_common_init(gint include_core);
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static gint gdk_input_common_other_event (GdkEvent *event,
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XEvent *xevent,
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GdkInputWindow *input_window,
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GdkDevicePrivate *gdkdev);
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static void gdk_input_common_set_axes (guint32 deviceid, GdkAxisUse *axes);
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static GdkTimeCoord * gdk_input_common_motion_events (GdkWindow *window,
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guint32 deviceid,
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guint32 start,
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guint32 stop,
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gint *nevents_return);
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static void gdk_input_common_get_pointer (GdkWindow *window,
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guint32 deviceid,
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gdouble *x,
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gdouble *y,
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gdouble *pressure,
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gdouble *xtilt,
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gdouble *ytilt,
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GdkModifierType *mask);
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/* Global variables */
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static gint gdk_input_root_width;
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static gint gdk_input_root_height;
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static void
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gdk_input_get_root_relative_geometry(Display *dpy, Window w, int *x_ret, int *y_ret,
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int *width_ret, int *height_ret)
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{
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Window root,parent;
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Window *children;
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int nchildren;
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int x,y,width,height;
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int xc,yc,widthc,heightc,border_widthc,depthc;
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XQueryTree(dpy,w,&root,&parent,&children,&nchildren);
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if (children) XFree(children);
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XGetGeometry(dpy,w,&root,&x,&y,&width,&height,&border_widthc,
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&depthc);
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x += border_widthc;
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y += border_widthc;
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while (root != parent)
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{
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w = parent;
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XQueryTree(dpy,w,&root,&parent,&children,&nchildren);
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if (children) XFree(children);
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XGetGeometry(dpy,w,&root,&xc,&yc,&widthc,&heightc,
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&border_widthc,&depthc);
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x += xc + border_widthc;
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y += yc + border_widthc;
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}
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if (x_ret)
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*x_ret = x;
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if (y_ret)
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*y_ret = y;
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if (width_ret)
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*width_ret = width;
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if (height_ret)
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*height_ret = height;
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}
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static GdkDevicePrivate *
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gdk_input_device_new(XDeviceInfo *device, gint include_core)
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{
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GdkDevicePrivate *gdkdev;
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gchar *tmp_name, *p;
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XAnyClassPtr class;
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gint i,j;
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gdkdev = g_new(GdkDevicePrivate,1);
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gdkdev->info.deviceid = device->id;
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if (device->name[0]) {
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gdkdev->info.name = g_new(char, strlen(device->name)+1);
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strcpy(gdkdev->info.name,device->name);
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} else {
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/* XFree86 3.2 gives an empty name to the default core devices,
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(fixed in 3.2A) */
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gdkdev->info.name = g_strdup("pointer");
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strcpy(gdkdev->info.name,"pointer");
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gdkdev->info.source = GDK_SOURCE_MOUSE;
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}
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gdkdev->info.mode = GDK_MODE_DISABLED;
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/* Try to figure out what kind of device this is by its name -
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could invite a very, very, long list... Lowercase name
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for comparison purposes */
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tmp_name = g_strdup(gdkdev->info.name);
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for (p = tmp_name; *p; p++)
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{
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if (*p >= 'A' && *p <= 'Z')
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*p += 'a' - 'A';
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}
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if (!strcmp (tmp_name, "pointer"))
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gdkdev->info.source = GDK_SOURCE_MOUSE;
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else if (!strcmp (tmp_name, "wacom") ||
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!strcmp (tmp_name, "pen"))
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gdkdev->info.source = GDK_SOURCE_PEN;
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else if (!strcmp (tmp_name, "eraser"))
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gdkdev->info.source = GDK_SOURCE_ERASER;
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else if (!strcmp (tmp_name, "cursor"))
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gdkdev->info.source = GDK_SOURCE_CURSOR;
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else
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gdkdev->info.source = GDK_SOURCE_PEN;
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g_free(tmp_name);
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gdkdev->xdevice = NULL;
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/* step through the classes */
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gdkdev->info.num_axes = 0;
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gdkdev->axes = 0;
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gdkdev->info.has_cursor = 0;
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gdkdev->needs_update = FALSE;
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gdkdev->claimed = FALSE;
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gdkdev->button_state = 0;
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class = device->inputclassinfo;
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for (i=0;i<device->num_classes;i++)
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{
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switch (class->class) {
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case ButtonClass:
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{
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break;
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}
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case ValuatorClass:
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{
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XValuatorInfo *xvi = (XValuatorInfo *)class;
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gdkdev->info.num_axes = xvi->num_axes;
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gdkdev->axes = g_new(GdkAxisInfo, xvi->num_axes);
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gdkdev->info.axes = g_new(GdkAxisUse, xvi->num_axes);
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for (j=0;j<xvi->num_axes;j++)
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{
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gdkdev->axes[j].resolution =
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gdkdev->axes[j].xresolution = xvi->axes[j].resolution;
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gdkdev->axes[j].min_value =
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gdkdev->axes[j].xmin_value = xvi->axes[j].min_value;
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gdkdev->axes[j].max_value =
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gdkdev->axes[j].xmax_value = xvi->axes[j].max_value;
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gdkdev->info.axes[j] = GDK_AXIS_IGNORE;
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}
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j=0;
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if (j<xvi->num_axes)
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gdkdev->info.axes[j++] = GDK_AXIS_X;
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if (j<xvi->num_axes)
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gdkdev->info.axes[j++] = GDK_AXIS_Y;
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if (j<xvi->num_axes)
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gdkdev->info.axes[j++] = GDK_AXIS_PRESSURE;
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if (j<xvi->num_axes)
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gdkdev->info.axes[j++] = GDK_AXIS_XTILT;
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if (j<xvi->num_axes)
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gdkdev->info.axes[j++] = GDK_AXIS_YTILT;
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/* set up reverse lookup on axis use */
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for (j=GDK_AXIS_IGNORE;j<GDK_AXIS_LAST;j++)
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gdkdev->axis_for_use[j] = -1;
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for (j=0;j<xvi->num_axes;j++)
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if (gdkdev->info.axes[j] != GDK_AXIS_IGNORE)
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gdkdev->axis_for_use[gdkdev->info.axes[j]] = j;
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break;
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}
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}
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class = (XAnyClassPtr)(((char *)class) + class->length);
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}
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/* return NULL if no axes */
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if (!gdkdev->info.num_axes || !gdkdev->axes ||
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(!include_core && device->use == IsXPointer))
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{
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g_free(gdkdev->info.name);
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if (gdkdev->axes)
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g_free(gdkdev->axes);
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g_free(gdkdev);
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return NULL;
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}
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if (device->use != IsXPointer)
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gdkdev->xdevice = XOpenDevice(gdk_display, gdkdev->info.deviceid);
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return gdkdev;
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}
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static void
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gdk_input_common_find_events(GdkWindow *window,
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GdkDevicePrivate *gdkdev,
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gint mask,
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XEventClass *classes,
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int *num_classes)
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{
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gint i;
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XEventClass class;
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i = 0;
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/* We have to track press and release events in pairs to keep
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track of button state correctly and implement grabbing */
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if (mask & GDK_BUTTON_PRESS_MASK || mask & GDK_BUTTON_RELEASE_MASK)
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{
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DeviceButtonPress (gdkdev->xdevice, gdkdev->buttonpress_type,
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class);
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if (class != 0)
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classes[i++] = class;
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DeviceButtonRelease (gdkdev->xdevice, gdkdev->buttonrelease_type,
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class);
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if (class != 0)
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classes[i++] = class;
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}
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if (mask & GDK_POINTER_MOTION_MASK)
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{
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DeviceMotionNotify (gdkdev->xdevice, gdkdev->motionnotify_type, class);
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if (class != 0)
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classes[i++] = class;
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}
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if (mask & GDK_POINTER_MOTION_HINT_MASK)
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{
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/* We'll get into trouble if the macros change, but at least we'll
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know about it, and we avoid warnings now */
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DevicePointerMotionHint (gdkdev->xdevice, 0, class);
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if (class != 0)
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classes[i++] = class;
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}
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if (mask & GDK_PROXIMITY_IN_MASK)
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{
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ProximityIn (gdkdev->xdevice, gdkdev->proximityin_type, class);
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if (class != 0)
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classes[i++] = class;
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}
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if (mask & GDK_PROXIMITY_OUT_MASK)
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{
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ProximityOut (gdkdev->xdevice, gdkdev->proximityout_type, class);
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if (class != 0)
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classes[i++] = class;
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}
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*num_classes = i;
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}
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static void
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gdk_input_common_select_events(GdkWindow *window,
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GdkDevicePrivate *gdkdev)
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{
|
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XEventClass classes[6];
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gint num_classes;
|
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|
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if (gdkdev->info.mode == GDK_MODE_DISABLED)
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gdk_input_common_find_events(window, gdkdev, 0, classes, &num_classes);
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else
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gdk_input_common_find_events(window, gdkdev,
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((GdkWindowPrivate *)window)->extension_events,
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classes, &num_classes);
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XSelectExtensionEvent (gdk_display,
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GDK_WINDOW_XWINDOW(window),
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classes, num_classes);
|
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}
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gint
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gdk_input_common_init(gint include_core)
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{
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char **extensions;
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XDeviceInfo *devices;
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int num_devices;
|
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int num_extensions, loop;
|
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Display *display = gdk_display;
|
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/* Init global vars */
|
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gdk_window_get_geometry(NULL, /* use root window */
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NULL,NULL,
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&gdk_input_root_width,&gdk_input_root_height,
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NULL);
|
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|
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/* Init XInput extension */
|
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extensions = XListExtensions(display, &num_extensions);
|
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for (loop = 0; loop < num_extensions &&
|
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(strcmp(extensions[loop], "XInputExtension") != 0); loop++);
|
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XFreeExtensionList(extensions);
|
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if (loop == num_extensions) /* XInput extension not found */
|
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return FALSE;
|
||||
|
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gdk_input_devices = 0;
|
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devices = XListInputDevices(display, &num_devices);
|
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|
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for(loop=0; loop<num_devices; loop++)
|
||||
{
|
||||
GdkDevicePrivate *gdkdev = gdk_input_device_new(&devices[loop],
|
||||
include_core);
|
||||
if (gdkdev)
|
||||
gdk_input_devices = g_list_append(gdk_input_devices, gdkdev);
|
||||
}
|
||||
XFreeDeviceList(devices);
|
||||
|
||||
gdk_input_devices = g_list_append (gdk_input_devices, &gdk_input_core_info);
|
||||
|
||||
return TRUE;
|
||||
}
|
||||
|
||||
static void
|
||||
gdk_input_translate_coordinates (GdkDevicePrivate *gdkdev,
|
||||
GdkInputWindow *input_window,
|
||||
gint *axis_data,
|
||||
gdouble *x, gdouble *y, gdouble *pressure,
|
||||
gdouble *xtilt, gdouble *ytilt)
|
||||
{
|
||||
GdkWindowPrivate *win_priv;
|
||||
|
||||
int x_axis, y_axis, pressure_axis, xtilt_axis, ytilt_axis;
|
||||
|
||||
double device_width, device_height;
|
||||
double x_offset, y_offset, x_scale, y_scale;
|
||||
|
||||
win_priv = (GdkWindowPrivate *) input_window->window;
|
||||
|
||||
x_axis = gdkdev->axis_for_use[GDK_AXIS_X];
|
||||
y_axis = gdkdev->axis_for_use[GDK_AXIS_Y];
|
||||
pressure_axis = gdkdev->axis_for_use[GDK_AXIS_PRESSURE];
|
||||
xtilt_axis = gdkdev->axis_for_use[GDK_AXIS_XTILT];
|
||||
ytilt_axis = gdkdev->axis_for_use[GDK_AXIS_YTILT];
|
||||
|
||||
device_width = gdkdev->axes[x_axis].max_value -
|
||||
gdkdev->axes[x_axis].min_value;
|
||||
device_height = gdkdev->axes[y_axis].max_value -
|
||||
gdkdev->axes[y_axis].min_value;
|
||||
|
||||
if (gdkdev->info.mode == GDK_MODE_SCREEN)
|
||||
{
|
||||
x_scale = gdk_input_root_width / device_width;
|
||||
y_scale = gdk_input_root_height / device_height;
|
||||
|
||||
x_offset = - input_window->root_x;
|
||||
y_offset = - input_window->root_y;
|
||||
}
|
||||
else /* GDK_MODE_WINDOW */
|
||||
{
|
||||
double device_aspect = (device_height*gdkdev->axes[y_axis].resolution) /
|
||||
(device_width*gdkdev->axes[x_axis].resolution);
|
||||
|
||||
if (device_aspect * win_priv->width >= win_priv->height)
|
||||
{
|
||||
/* device taller than window */
|
||||
x_scale = win_priv->width / device_width;
|
||||
y_scale = (x_scale * gdkdev->axes[x_axis].resolution)
|
||||
/ gdkdev->axes[y_axis].resolution;
|
||||
|
||||
x_offset = 0;
|
||||
y_offset = -(device_height * y_scale -
|
||||
win_priv->height)/2;
|
||||
}
|
||||
else
|
||||
{
|
||||
/* window taller than device */
|
||||
y_scale = win_priv->height / device_height;
|
||||
x_scale = (y_scale * gdkdev->axes[y_axis].resolution)
|
||||
/ gdkdev->axes[x_axis].resolution;
|
||||
|
||||
y_offset = 0;
|
||||
x_offset = - (device_width * x_scale - win_priv->width)/2;
|
||||
}
|
||||
}
|
||||
|
||||
if (x) *x = x_offset + x_scale*axis_data[x_axis];
|
||||
if (y) *y = y_offset + y_scale*axis_data[y_axis];
|
||||
|
||||
if (pressure)
|
||||
{
|
||||
if (pressure_axis != -1)
|
||||
*pressure = ((double)axis_data[pressure_axis]
|
||||
- gdkdev->axes[pressure_axis].min_value)
|
||||
/ (gdkdev->axes[pressure_axis].max_value
|
||||
- gdkdev->axes[pressure_axis].min_value);
|
||||
else
|
||||
*pressure = 0.5;
|
||||
}
|
||||
|
||||
if (xtilt)
|
||||
{
|
||||
if (xtilt_axis != -1)
|
||||
{
|
||||
*xtilt = 2. * (double)(axis_data[xtilt_axis] -
|
||||
(gdkdev->axes[xtilt_axis].min_value +
|
||||
gdkdev->axes[xtilt_axis].max_value)/2) /
|
||||
(gdkdev->axes[xtilt_axis].max_value -
|
||||
gdkdev->axes[xtilt_axis].min_value);
|
||||
}
|
||||
else *xtilt = 0;
|
||||
}
|
||||
|
||||
if (ytilt)
|
||||
{
|
||||
if (ytilt_axis != -1)
|
||||
{
|
||||
*ytilt = 2. * (double)(axis_data[ytilt_axis] -
|
||||
(gdkdev->axes[ytilt_axis].min_value +
|
||||
gdkdev->axes[ytilt_axis].max_value)/2) /
|
||||
(gdkdev->axes[ytilt_axis].max_value -
|
||||
gdkdev->axes[ytilt_axis].min_value);
|
||||
}
|
||||
else
|
||||
*ytilt = 0;
|
||||
}
|
||||
}
|
||||
|
||||
/* combine the state of the core device and the device state
|
||||
into one - for now we do this in a simple-minded manner -
|
||||
we just take the keyboard portion of the core device and
|
||||
the button portion (all of?) the device state.
|
||||
Any button remapping should go on here. */
|
||||
static guint
|
||||
gdk_input_translate_state(guint state, guint device_state)
|
||||
{
|
||||
return device_state | (state & 0xFF);
|
||||
}
|
||||
|
||||
static gint
|
||||
gdk_input_common_other_event (GdkEvent *event,
|
||||
XEvent *xevent,
|
||||
GdkInputWindow *input_window,
|
||||
GdkDevicePrivate *gdkdev)
|
||||
{
|
||||
if ((xevent->type == gdkdev->buttonpress_type) ||
|
||||
(xevent->type == gdkdev->buttonrelease_type))
|
||||
{
|
||||
XDeviceButtonEvent *xdbe = (XDeviceButtonEvent *)(xevent);
|
||||
|
||||
if (xdbe->type == gdkdev->buttonpress_type)
|
||||
{
|
||||
event->button.type = GDK_BUTTON_PRESS;
|
||||
gdkdev->button_state |= 1 << xdbe->button;
|
||||
}
|
||||
else
|
||||
{
|
||||
event->button.type = GDK_BUTTON_RELEASE;
|
||||
gdkdev->button_state &= ~(1 << xdbe->button);
|
||||
}
|
||||
event->button.window = input_window->window;
|
||||
event->button.time = xdbe->time;
|
||||
event->button.source = gdkdev->info.source;
|
||||
event->button.deviceid = xdbe->deviceid;
|
||||
|
||||
gdk_input_translate_coordinates (gdkdev,input_window, xdbe->axis_data,
|
||||
&event->button.x,&event->button.y,
|
||||
&event->button.pressure,
|
||||
&event->button.xtilt,
|
||||
&event->button.ytilt);
|
||||
event->button.state = gdk_input_translate_state(xdbe->state,xdbe->device_state);
|
||||
event->button.button = xdbe->button;
|
||||
|
||||
return TRUE;
|
||||
}
|
||||
|
||||
if (xevent->type == gdkdev->motionnotify_type)
|
||||
{
|
||||
XDeviceMotionEvent *xdme = (XDeviceMotionEvent *)(xevent);
|
||||
|
||||
gdk_input_translate_coordinates(gdkdev,input_window,xdme->axis_data,
|
||||
&event->motion.x,&event->motion.y,
|
||||
&event->motion.pressure,
|
||||
&event->motion.xtilt,
|
||||
&event->motion.ytilt);
|
||||
|
||||
event->motion.type = GDK_MOTION_NOTIFY;
|
||||
event->motion.window = input_window->window;
|
||||
event->motion.time = xdme->time;
|
||||
event->motion.deviceid = xdme->deviceid;
|
||||
event->motion.state = gdk_input_translate_state(xdme->state,
|
||||
xdme->device_state);
|
||||
event->motion.source = gdkdev->info.source;
|
||||
event->motion.deviceid = xdme->deviceid;
|
||||
|
||||
if (gdk_show_events)
|
||||
g_print ("motion notify:\t\twindow: %ld device: %ld x,y: %f %f hint: %s\n",
|
||||
xdme->window,
|
||||
xdme->deviceid,
|
||||
event->motion.x, event->motion.y,
|
||||
(xevent->xmotion.is_hint) ? "true" : "false");
|
||||
|
||||
|
||||
return TRUE;
|
||||
}
|
||||
|
||||
if (xevent->type == gdkdev->proximityin_type ||
|
||||
xevent->type == gdkdev->proximityout_type)
|
||||
{
|
||||
XProximityNotifyEvent *xpne = (XProximityNotifyEvent *)(xevent);
|
||||
|
||||
event->proximity.type = (xevent->type == gdkdev->proximityin_type)?
|
||||
GDK_PROXIMITY_IN:GDK_PROXIMITY_OUT;
|
||||
event->proximity.window = input_window->window;
|
||||
event->proximity.time = xpne->time;
|
||||
event->proximity.source = gdkdev->info.source;
|
||||
event->proximity.deviceid = xpne->deviceid;
|
||||
|
||||
return TRUE;
|
||||
}
|
||||
|
||||
return -1; /* wasn't one of our event types */
|
||||
}
|
||||
|
||||
static void
|
||||
gdk_input_common_set_axes (guint32 deviceid, GdkAxisUse *axes)
|
||||
{
|
||||
int i;
|
||||
GdkDevicePrivate *gdkdev = gdk_input_find_device(deviceid);
|
||||
g_return_if_fail (gdkdev != NULL);
|
||||
|
||||
for (i=GDK_AXIS_IGNORE;i<GDK_AXIS_LAST;i++)
|
||||
{
|
||||
gdkdev->axis_for_use[i] = -1;
|
||||
}
|
||||
|
||||
for (i=0;i<gdkdev->info.num_axes;i++)
|
||||
{
|
||||
gdkdev->info.axes[i] = axes[i];
|
||||
gdkdev->axis_for_use[axes[i]] = i;
|
||||
}
|
||||
}
|
||||
|
||||
static GdkTimeCoord *
|
||||
gdk_input_common_motion_events (GdkWindow *window,
|
||||
guint32 deviceid,
|
||||
guint32 start,
|
||||
guint32 stop,
|
||||
gint *nevents_return)
|
||||
{
|
||||
GdkTimeCoord *coords;
|
||||
XDeviceTimeCoord *device_coords;
|
||||
GdkInputWindow *input_window;
|
||||
GdkDevicePrivate *gdkdev;
|
||||
|
||||
int mode_return;
|
||||
int axis_count_return;
|
||||
int i;
|
||||
|
||||
gdkdev = gdk_input_find_device (deviceid);
|
||||
input_window = gdk_input_window_find (window);
|
||||
|
||||
g_return_val_if_fail (gdkdev != NULL, NULL);
|
||||
g_return_val_if_fail (gdkdev->xdevice != NULL, NULL);
|
||||
g_return_val_if_fail (input_window != NULL, NULL);
|
||||
|
||||
device_coords = XGetDeviceMotionEvents (gdk_display,
|
||||
gdkdev->xdevice,
|
||||
start, stop,
|
||||
nevents_return, &mode_return,
|
||||
&axis_count_return);
|
||||
|
||||
if (device_coords)
|
||||
{
|
||||
coords = g_new (GdkTimeCoord, *nevents_return);
|
||||
|
||||
for (i=0; i<*nevents_return; i++)
|
||||
{
|
||||
gdk_input_translate_coordinates (gdkdev, input_window,
|
||||
device_coords[i].data,
|
||||
&coords[i].x, &coords[i].y,
|
||||
&coords[i].pressure,
|
||||
&coords[i].xtilt, &coords[i].ytilt);
|
||||
}
|
||||
XFreeDeviceMotionEvents (device_coords);
|
||||
|
||||
return coords;
|
||||
}
|
||||
else
|
||||
return NULL;
|
||||
}
|
||||
|
||||
static void
|
||||
gdk_input_common_get_pointer (GdkWindow *window,
|
||||
guint32 deviceid,
|
||||
gdouble *x,
|
||||
gdouble *y,
|
||||
gdouble *pressure,
|
||||
gdouble *xtilt,
|
||||
gdouble *ytilt,
|
||||
GdkModifierType *mask)
|
||||
{
|
||||
GdkDevicePrivate *gdkdev;
|
||||
GdkInputWindow *input_window;
|
||||
XDeviceState *state;
|
||||
XInputClass *input_class;
|
||||
gint x_int, y_int;
|
||||
gint i;
|
||||
|
||||
/* we probably need to get the mask in any case */
|
||||
|
||||
if (deviceid == GDK_CORE_POINTER)
|
||||
{
|
||||
gdk_window_get_pointer (window, &x_int, &y_int, mask);
|
||||
if (x) *x = x_int;
|
||||
if (y) *y = y_int;
|
||||
if (pressure) *pressure = 0.5;
|
||||
if (xtilt) *xtilt = 0;
|
||||
if (ytilt) *ytilt = 0;
|
||||
}
|
||||
else
|
||||
{
|
||||
if (mask)
|
||||
gdk_window_get_pointer (window, NULL, NULL, mask);
|
||||
|
||||
gdkdev = gdk_input_find_device (deviceid);
|
||||
input_window = gdk_input_window_find (window);
|
||||
|
||||
g_return_if_fail (gdkdev != NULL);
|
||||
g_return_if_fail (gdkdev->xdevice != NULL);
|
||||
g_return_if_fail (input_window != NULL);
|
||||
|
||||
state = XQueryDeviceState (gdk_display, gdkdev->xdevice);
|
||||
input_class = state->data;
|
||||
for (i=0; i<state->num_classes; i++)
|
||||
{
|
||||
switch (input_class->class)
|
||||
{
|
||||
case ValuatorClass:
|
||||
gdk_input_translate_coordinates(gdkdev, input_window,
|
||||
((XValuatorState *)input_class)->valuators,
|
||||
x, y, pressure,
|
||||
xtilt, ytilt);
|
||||
|
||||
|
||||
break;
|
||||
case ButtonClass:
|
||||
if (mask)
|
||||
{
|
||||
*mask &= ~(GDK_BUTTON1_MASK | GDK_BUTTON2_MASK |
|
||||
GDK_BUTTON3_MASK | GDK_BUTTON4_MASK |
|
||||
GDK_BUTTON5_MASK);
|
||||
for (i=0; i < ((XButtonState *)input_class)->num_buttons; i++)
|
||||
{
|
||||
if (((XButtonState *)input_class)->buttons[i])
|
||||
*mask |= GDK_BUTTON1_MASK << i;
|
||||
}
|
||||
}
|
||||
break;
|
||||
}
|
||||
input_class = (XInputClass *)(((char *)input_class)+input_class->length);
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
#endif
|
||||
Reference in New Issue
Block a user