Title: [240922] trunk/Source/WebKit
Revision
240922
Author
[email protected]
Date
2019-02-04 07:47:07 -0800 (Mon, 04 Feb 2019)

Log Message

[GTK] Allow pinch zoom on touchpad
https://bugs.webkit.org/show_bug.cgi?id=194201

Patch by Alexander Mikhaylenko <[email protected]> on 2019-02-04
Reviewed by Michael Catanzaro.

Enable touchpad events for WebkitWebViewBase, then feed touchpad
pinch events to GestureController.

* UIProcess/API/gtk/WebKitWebViewBase.cpp:
(webkitWebViewBaseRealize): Added GDK_TOUCHPAD_GESTURE_MASK to event mask.
(webkitWebViewBaseEvent): Added.
(webkit_web_view_base_class_init): Override event vfunc.

Modified Paths

Diff

Modified: trunk/Source/WebKit/ChangeLog (240921 => 240922)


--- trunk/Source/WebKit/ChangeLog	2019-02-04 15:39:48 UTC (rev 240921)
+++ trunk/Source/WebKit/ChangeLog	2019-02-04 15:47:07 UTC (rev 240922)
@@ -1,3 +1,18 @@
+2019-02-04  Alexander Mikhaylenko  <[email protected]>
+
+        [GTK] Allow pinch zoom on touchpad
+        https://bugs.webkit.org/show_bug.cgi?id=194201
+
+        Reviewed by Michael Catanzaro.
+
+        Enable touchpad events for WebkitWebViewBase, then feed touchpad
+        pinch events to GestureController.
+
+        * UIProcess/API/gtk/WebKitWebViewBase.cpp:
+        (webkitWebViewBaseRealize): Added GDK_TOUCHPAD_GESTURE_MASK to event mask.
+        (webkitWebViewBaseEvent): Added.
+        (webkit_web_view_base_class_init): Override event vfunc.
+
 2019-02-04  Michael Catanzaro  <[email protected]>
 
         Unreviewed, only force settings.acceleratedCompositingEnabled() to true for Cocoa ports

Modified: trunk/Source/WebKit/UIProcess/API/gtk/WebKitWebViewBase.cpp (240921 => 240922)


--- trunk/Source/WebKit/UIProcess/API/gtk/WebKitWebViewBase.cpp	2019-02-04 15:39:48 UTC (rev 240921)
+++ trunk/Source/WebKit/UIProcess/API/gtk/WebKitWebViewBase.cpp	2019-02-04 15:47:07 UTC (rev 240922)
@@ -364,6 +364,9 @@
         | GDK_BUTTON2_MOTION_MASK
         | GDK_BUTTON3_MOTION_MASK
         | GDK_TOUCH_MASK;
+#if HAVE(GTK_GESTURES)
+    attributes.event_mask |= GDK_TOUCHPAD_GESTURE_MASK;
+#endif
 
     gint attributesMask = GDK_WA_X | GDK_WA_Y | GDK_WA_VISUAL;
 
@@ -1192,6 +1195,16 @@
 }
 #endif // ENABLE(DRAG_SUPPORT)
 
+static gboolean webkitWebViewBaseEvent(GtkWidget* widget, GdkEvent* event)
+{
+#if HAVE(GTK_GESTURES)
+    if (event->type == GDK_TOUCHPAD_PINCH)
+        webkitWebViewBaseGestureController(WEBKIT_WEB_VIEW_BASE(widget)).handleEvent(event);
+#endif
+
+    return GDK_EVENT_PROPAGATE;
+}
+
 static AtkObject* webkitWebViewBaseGetAccessible(GtkWidget* widget)
 {
     // If the socket has already been created and embedded a plug ID, return it.
@@ -1315,6 +1328,7 @@
     widgetClass->drag_drop = webkitWebViewBaseDragDrop;
     widgetClass->drag_data_received = webkitWebViewBaseDragDataReceived;
 #endif // ENABLE(DRAG_SUPPORT)
+    widgetClass->event = webkitWebViewBaseEvent;
     widgetClass->get_accessible = webkitWebViewBaseGetAccessible;
     widgetClass->hierarchy_changed = webkitWebViewBaseHierarchyChanged;
     widgetClass->destroy = webkitWebViewBaseDestroy;
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