[gnome-settings-daemon/wip/carlosg/remove-device-mapper: 83/84] common: Drop unused input helper API

[Carlos Garnacho <carlosg src gnome org>]

commit 50de828e14177579ff43ce650b9370d6a98bc1f0
Author: Carlos Garnacho <carlosg gnome org>
Date:   Fri Apr 20 20:04:00 2018 +0200

    common: Drop unused input helper API

 plugins/common/gsd-input-helper.c | 310 --------------------------------------
 plugins/common/gsd-input-helper.h |  33 ----
 2 files changed, 343 deletions(-)
---
diff --git a/plugins/common/gsd-input-helper.c b/plugins/common/gsd-input-helper.c
index 58e136a0..186dee02 100644
--- a/plugins/common/gsd-input-helper.c
+++ b/plugins/common/gsd-input-helper.c
@@ -30,89 +30,6 @@
 
 #include "gsd-input-helper.h"
 
-#define ABS_MT_X "Abs MT Position X"
-#define ABS_MT_Y "Abs MT Position Y"
-#define ABS_X "Abs X"
-#define ABS_Y "Abs Y"
-
-typedef gboolean (* InfoIdentifyFunc) (XDeviceInfo *device_info);
-typedef gboolean (* DeviceIdentifyFunc) (XDevice *xdevice);
-
-gboolean
-device_set_property (XDevice        *xdevice,
-                     const char     *device_name,
-                     PropertyHelper *property)
-{
-        int rc, i;
-        Atom prop;
-        Atom realtype;
-        int realformat;
-        unsigned long nitems, bytes_after;
-        unsigned char *data;
-
-        prop = XInternAtom (GDK_DISPLAY_XDISPLAY (gdk_display_get_default ()),
-                            property->name, False);
-        if (!prop)
-                return FALSE;
-
-        gdk_error_trap_push ();
-
-        rc = XGetDeviceProperty (GDK_DISPLAY_XDISPLAY (gdk_display_get_default ()),
-                                 xdevice, prop, 0, property->nitems, False,
-                                 AnyPropertyType, &realtype, &realformat, &nitems,
-                                 &bytes_after, &data);
-
-        if (rc != Success ||
-            realtype != property->type ||
-            realformat != property->format ||
-            nitems < property->nitems) {
-                gdk_error_trap_pop_ignored ();
-                g_warning ("Error reading property \"%s\" for \"%s\"", property->name, device_name);
-                return FALSE;
-        }
-
-        for (i = 0; i < nitems; i++) {
-                switch (property->format) {
-                        case 8:
-                                data[i] = property->data.c[i];
-                                break;
-                        case 32:
-                                ((long*)data)[i] = property->data.i[i];
-                                break;
-                }
-        }
-
-        XChangeDeviceProperty (GDK_DISPLAY_XDISPLAY (gdk_display_get_default ()),
-                               xdevice, prop, realtype, realformat,
-                               PropModeReplace, data, nitems);
-
-        XFree (data);
-
-        if (gdk_error_trap_pop ()) {
-                g_warning ("Error in setting \"%s\" for \"%s\"", property->name, device_name);
-                return FALSE;
-        }
-
-        return TRUE;
-}
-
-static gboolean
-supports_xinput_devices_with_opcode (int *opcode)
-{
-        gint op_code, event, error;
-        gboolean retval;
-
-        retval = XQueryExtension (GDK_DISPLAY_XDISPLAY (gdk_display_get_default ()),
-                                 "XInputExtension",
-                                 &op_code,
-                                 &event,
-                                 &error);
-       if (opcode)
-               *opcode = op_code;
-
-       return retval;
-}
-
 gboolean
 supports_xtest (void)
 {
@@ -128,31 +45,6 @@ supports_xtest (void)
        return retval;
 }
 
-gboolean
-supports_xinput2_devices (int *opcode)
-{
-        int major, minor;
-
-        if (supports_xinput_devices_with_opcode (opcode) == FALSE)
-                return FALSE;
-
-        gdk_error_trap_push ();
-
-        major = 2;
-        minor = 3;
-
-        if (XIQueryVersion (GDK_DISPLAY_XDISPLAY (gdk_display_get_default ()), &major, &minor) != Success) {
-                gdk_error_trap_pop_ignored ();
-                    return FALSE;
-        }
-        gdk_error_trap_pop_ignored ();
-
-        if ((major * 1000 + minor) < (2000))
-                return FALSE;
-
-        return TRUE;
-}
-
 char *
 xdevice_get_device_node (int deviceid)
 {
@@ -200,205 +92,3 @@ out:
         XFree (data);
         return NULL;
 }
-
-#define TOOL_ID_FORMAT_SIZE 32
-static int
-get_id_for_index (guchar *data,
-                 guint   idx)
-{
-       guchar *ptr;
-       int id;
-
-       ptr = data;
-       ptr += TOOL_ID_FORMAT_SIZE / 8 * idx;
-
-       id = *((int32_t*)ptr);
-       id = id & 0xfffff;
-
-       return id;
-}
-
-
-#define STYLUS_DEVICE_ID        0x02
-#define ERASER_DEVICE_ID        0x0A
-
-int
-xdevice_get_last_tool_id (int  deviceid)
-{
-        Atom           prop;
-        Atom           act_type;
-        int            act_format;
-        unsigned long  nitems, bytes_after;
-        unsigned char *data;
-        int            id;
-
-        id = -1;
-
-        gdk_display_sync (gdk_display_get_default ());
-
-        prop = XInternAtom (GDK_DISPLAY_XDISPLAY (gdk_display_get_default ()), WACOM_SERIAL_IDS_PROP, False);
-        if (!prop)
-                return -1;
-
-        data = NULL;
-
-        gdk_error_trap_push ();
-
-        if (XIGetProperty (GDK_DISPLAY_XDISPLAY (gdk_display_get_default ()),
-                            deviceid, prop, 0, 1000, False,
-                            AnyPropertyType, &act_type, &act_format,
-                            &nitems, &bytes_after, &data) != Success) {
-                gdk_error_trap_pop_ignored ();
-                goto out;
-        }
-
-        if (gdk_error_trap_pop ())
-                goto out;
-
-       if (nitems != 4 && nitems != 5)
-               goto out;
-
-       if (act_type != XA_INTEGER)
-               goto out;
-
-       if (act_format != TOOL_ID_FORMAT_SIZE)
-               goto out;
-
-       /* item 0 = tablet ID
-        * item 1 = old device serial number (== last tool in proximity)
-        * item 2 = old hardware serial number (including tool ID)
-        * item 3 = current serial number (0 if no tool in proximity)
-        * item 4 = current tool ID (since Feb 2012)
-        *
-        * Get the current tool ID first, if available, then the old one */
-       id = 0x0;
-       if (nitems == 5)
-               id = get_id_for_index (data, 4);
-       if (id == 0x0)
-               id = get_id_for_index (data, 2);
-
-       /* That means that no tool was set down yet */
-       if (id == STYLUS_DEVICE_ID ||
-           id == ERASER_DEVICE_ID)
-               id = 0x0;
-
-out:
-        if (data != NULL)
-                XFree (data);
-        return id;
-}
-
-gboolean
-set_device_enabled (int device_id,
-                    gboolean enabled)
-{
-        Atom prop;
-        guchar value;
-
-        prop = XInternAtom (GDK_DISPLAY_XDISPLAY (gdk_display_get_default ()), "Device Enabled", False);
-        if (!prop)
-                return FALSE;
-
-        gdk_error_trap_push ();
-
-        value = enabled ? 1 : 0;
-        XIChangeProperty (GDK_DISPLAY_XDISPLAY (gdk_display_get_default ()),
-                          device_id, prop, XA_INTEGER, 8, PropModeReplace, &value, 1);
-
-        if (gdk_error_trap_pop ())
-                return FALSE;
-
-        return TRUE;
-}
-
-const char *
-xdevice_get_wacom_tool_type (int deviceid)
-{
-        unsigned long nitems, bytes_after;
-        unsigned char *data = NULL;
-        Atom prop, realtype, tool;
-        GdkDisplay *display;
-        int realformat, rc;
-        const gchar *ret = NULL;
-
-        gdk_error_trap_push ();
-
-        display = gdk_display_get_default ();
-        prop = gdk_x11_get_xatom_by_name ("Wacom Tool Type");
-
-        rc = XIGetProperty (GDK_DISPLAY_XDISPLAY (display),
-                            deviceid, prop, 0, 1, False,
-                            XA_ATOM, &realtype, &realformat, &nitems,
-                            &bytes_after, &data);
-
-        gdk_error_trap_pop_ignored ();
-
-        if (rc != Success || nitems == 0)
-                return NULL;
-
-        if (realtype == XA_ATOM) {
-                tool = *((Atom*) data);
-                ret = gdk_x11_get_xatom_name (tool);
-        }
-
-        XFree (data);
-
-        return ret;
-}
-
-void
-xdevice_close (XDevice *xdevice)
-{
-    gdk_error_trap_push ();
-    XCloseDevice (GDK_DISPLAY_XDISPLAY (gdk_display_get_default ()), xdevice);
-    gdk_error_trap_pop_ignored();
-}
-
-gboolean
-xdevice_get_dimensions (int    deviceid,
-                        guint *width,
-                        guint *height)
-{
-        GdkDisplay *display = gdk_display_get_default ();
-        XIDeviceInfo *info;
-        guint *value, w, h;
-        int i, n_info;
-
-        gdk_error_trap_push ();
-
-        info = XIQueryDevice (GDK_DISPLAY_XDISPLAY (display), deviceid, &n_info);
-        *width = *height = w = h = 0;
-
-        if (gdk_error_trap_pop ())
-                return FALSE;
-
-        if (!info)
-                return FALSE;
-
-        for (i = 0; i < info->num_classes; i++) {
-                XIValuatorClassInfo *valuator_info;
-
-                if (info->classes[i]->type != XIValuatorClass)
-                        continue;
-
-                valuator_info = (XIValuatorClassInfo *) info->classes[i];
-
-                if (valuator_info->label == gdk_x11_get_xatom_by_name_for_display (display, ABS_X) ||
-                    valuator_info->label == gdk_x11_get_xatom_by_name_for_display (display, ABS_MT_X))
-                        value = &w;
-                else if (valuator_info->label == gdk_x11_get_xatom_by_name_for_display (display, ABS_Y) ||
-                         valuator_info->label == gdk_x11_get_xatom_by_name_for_display (display, ABS_MT_Y))
-                        value = &h;
-                else
-                        continue;
-
-                *value = (valuator_info->max -  valuator_info->min) * 1000 / valuator_info->resolution;
-        }
-
-        *width = w;
-        *height = h;
-
-        XIFreeDeviceInfo (info);
-
-        return (w != 0 && h != 0);
-}
diff --git a/plugins/common/gsd-input-helper.h b/plugins/common/gsd-input-helper.h
index 25a96289..b99fae4e 100644
--- a/plugins/common/gsd-input-helper.h
+++ b/plugins/common/gsd-input-helper.h
@@ -26,42 +26,9 @@ G_BEGIN_DECLS
 #include <X11/extensions/XInput.h>
 #include <X11/extensions/XIproto.h>
 
-#define WACOM_SERIAL_IDS_PROP "Wacom Serial IDs"
-
-/* Generic property setting code. Fill up the struct property with the property
- * data and pass it into device_set_property together with the device to be
- * changed.  Note: doesn't cater for non-zero offsets yet, but we don't have
- * any settings that require that.
- */
-typedef struct {
-        const char *name;       /* property name */
-        gint nitems;            /* number of items in data */
-        gint format;            /* CARD8 or CARD32 sized-items */
-        gint type;              /* Atom representing data type */
-        union {
-                const gchar *c; /* 8 bit data */
-                const gint *i;  /* 32 bit data */
-        } data;
-} PropertyHelper;
-
-gboolean  supports_xinput2_devices (int *opcode);
 gboolean  supports_xtest           (void);
 
-gboolean set_device_enabled       (int device_id,
-                                   gboolean enabled);
-
-gboolean  device_set_property     (XDevice                *xdevice,
-                                   const char             *device_name,
-                                   PropertyHelper         *property);
-
 char *    xdevice_get_device_node  (int                     deviceid);
-int       xdevice_get_last_tool_id (int                     deviceid);
-gboolean  xdevice_get_dimensions   (int                     deviceid,
-                                    guint                  *width,
-                                    guint                  *height);
-void      xdevice_close      (XDevice                *xdevice);
-
-const char * xdevice_get_wacom_tool_type (int               deviceid);
 
 G_END_DECLS