From 080bac39c844bd16b7e1493797c6e7644badf0ab Mon Sep 17 00:00:00 2001
From: Povilas Kanapickas <povilas@radix.lt>
Date: Sun, 30 May 2021 13:26:32 +0300
Subject: xi: Implement grab support for new gesture event types

---
 Xi/exevents.c      |  6 +++---
 Xi/xipassivegrab.c | 29 +++++++++++++++++++++++++----
 2 files changed, 28 insertions(+), 7 deletions(-)

(limited to 'Xi')

diff --git a/Xi/exevents.c b/Xi/exevents.c
index c8751ce18..83ea387ab 100644
--- a/Xi/exevents.c
+++ b/Xi/exevents.c
@@ -2427,8 +2427,8 @@ GrabWindow(ClientPtr client, DeviceIntPtr dev, int type,
 
 /* Touch grab */
 int
-GrabTouch(ClientPtr client, DeviceIntPtr dev, DeviceIntPtr mod_dev,
-          GrabParameters *param, GrabMask *mask)
+GrabTouchOrGesture(ClientPtr client, DeviceIntPtr dev, DeviceIntPtr mod_dev,
+                   int type, GrabParameters *param, GrabMask *mask)
 {
     WindowPtr pWin;
     GrabPtr grab;
@@ -2446,7 +2446,7 @@ GrabTouch(ClientPtr client, DeviceIntPtr dev, DeviceIntPtr mod_dev,
         return rc;
 
     grab = CreateGrab(client->index, dev, mod_dev, pWin, XI2,
-                      mask, param, XI_TouchBegin, 0, NullWindow, NullCursor);
+                      mask, param, type, 0, NullWindow, NullCursor);
     if (!grab)
         return BadAlloc;
 
diff --git a/Xi/xipassivegrab.c b/Xi/xipassivegrab.c
index d30f51f3c..2769fb7c9 100644
--- a/Xi/xipassivegrab.c
+++ b/Xi/xipassivegrab.c
@@ -114,14 +114,18 @@ ProcXIPassiveGrabDevice(ClientPtr client)
         stuff->grab_type != XIGrabtypeKeycode &&
         stuff->grab_type != XIGrabtypeEnter &&
         stuff->grab_type != XIGrabtypeFocusIn &&
-        stuff->grab_type != XIGrabtypeTouchBegin) {
+        stuff->grab_type != XIGrabtypeTouchBegin &&
+        stuff->grab_type != XIGrabtypeGesturePinchBegin &&
+        stuff->grab_type != XIGrabtypeGestureSwipeBegin) {
         client->errorValue = stuff->grab_type;
         return BadValue;
     }
 
     if ((stuff->grab_type == XIGrabtypeEnter ||
          stuff->grab_type == XIGrabtypeFocusIn ||
-         stuff->grab_type == XIGrabtypeTouchBegin) && stuff->detail != 0) {
+         stuff->grab_type == XIGrabtypeTouchBegin ||
+         stuff->grab_type == XIGrabtypeGesturePinchBegin ||
+         stuff->grab_type == XIGrabtypeGestureSwipeBegin) && stuff->detail != 0) {
         client->errorValue = stuff->detail;
         return BadValue;
     }
@@ -217,7 +221,16 @@ ProcXIPassiveGrabDevice(ClientPtr client)
             status = GrabWindow(client, dev, stuff->grab_type, &param, &mask);
             break;
         case XIGrabtypeTouchBegin:
-            status = GrabTouch(client, dev, mod_dev, &param, &mask);
+            status = GrabTouchOrGesture(client, dev, mod_dev, XI_TouchBegin,
+                                        &param, &mask);
+            break;
+        case XIGrabtypeGesturePinchBegin:
+            status = GrabTouchOrGesture(client, dev, mod_dev,
+                                        XI_GesturePinchBegin, &param, &mask);
+            break;
+        case XIGrabtypeGestureSwipeBegin:
+            status = GrabTouchOrGesture(client, dev, mod_dev,
+                                        XI_GestureSwipeBegin, &param, &mask);
             break;
         }
 
@@ -307,7 +320,9 @@ ProcXIPassiveUngrabDevice(ClientPtr client)
         stuff->grab_type != XIGrabtypeKeycode &&
         stuff->grab_type != XIGrabtypeEnter &&
         stuff->grab_type != XIGrabtypeFocusIn &&
-        stuff->grab_type != XIGrabtypeTouchBegin) {
+        stuff->grab_type != XIGrabtypeTouchBegin &&
+        stuff->grab_type != XIGrabtypeGesturePinchBegin &&
+        stuff->grab_type != XIGrabtypeGestureSwipeBegin) {
         client->errorValue = stuff->grab_type;
         return BadValue;
     }
@@ -348,6 +363,12 @@ ProcXIPassiveUngrabDevice(ClientPtr client)
     case XIGrabtypeTouchBegin:
         tempGrab->type = XI_TouchBegin;
         break;
+    case XIGrabtypeGesturePinchBegin:
+        tempGrab->type = XI_GesturePinchBegin;
+        break;
+    case XIGrabtypeGestureSwipeBegin:
+        tempGrab->type = XI_GestureSwipeBegin;
+        break;
     }
     tempGrab->grabtype = XI2;
     tempGrab->modifierDevice = mod_dev;
-- 
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