bool prepareMouseButtonEvent(GdkEvent* event, int button)
{
WebKitWebView* view = webkit_web_frame_get_web_view(mainFrame);
if (!view)
return false;
memset(event, 0, sizeof(event));
event->button.button = button;
event->button.x = lastMousePositionX;
event->button.y = lastMousePositionY;
event->button.window = GTK_WIDGET(view)->window;
event->button.device = gdk_device_get_core_pointer();
event->button.state = getStateFlags();
// Mouse up & down events dispatched via g_signal_emit_by_name must offset
// their time value, so that WebKit can detect where sequences of mouse
// clicks begin and end. This should not interfere with GDK or GTK+ event
// processing, because the event is only seen by the widget.
event->button.time = GDK_CURRENT_TIME + timeOffset;
int xRoot, yRoot;
#if GTK_CHECK_VERSION(2, 17, 3)
gdk_window_get_root_coords(GTK_WIDGET(view)->window, lastMousePositionX, lastMousePositionY, &xRoot, &yRoot);
#else
getRootCoords(GTK_WIDGET(view), &xRoot, &yRoot);
#endif
event->button.x_root = xRoot;
event->button.y_root = yRoot;
return true;
}
static JSValueRef mouseDownCallback(JSContextRef context, JSObjectRef function, JSObjectRef thisObject, size_t argumentCount, const JSValueRef arguments[], JSValueRef* exception)
{
WebKitWebView* view = webkit_web_frame_get_web_view(mainFrame);
if (!view)
return JSValueMakeUndefined(context);
down = true;
GdkEvent event;
memset(&event, 0, sizeof(event));
event.type = GDK_BUTTON_PRESS;
event.button.button = 1;
if (argumentCount == 1) {
event.button.button = (int)JSValueToNumber(context, arguments[0], exception) + 1;
g_return_val_if_fail((!exception || !*exception), JSValueMakeUndefined(context));
}
currentEventButton = event.button.button;
event.button.x = lastMousePositionX;
event.button.y = lastMousePositionY;
event.button.window = GTK_WIDGET(view)->window;
event.button.time = GDK_CURRENT_TIME;
event.button.device = gdk_device_get_core_pointer();
int x_root, y_root;
#if GTK_CHECK_VERSION(2,17,3)
gdk_window_get_root_coords(GTK_WIDGET(view)->window, lastMousePositionX, lastMousePositionY, &x_root, &y_root);
#else
getRootCoords(GTK_WIDGET(view), &x_root, &y_root);
#endif
event.button.x_root = x_root;
event.button.y_root = y_root;
updateClickCount(event.button.button);
if (!msgQueue[endOfQueue].delay) {
webkit_web_frame_layout(mainFrame);
gboolean return_val;
g_signal_emit_by_name(view, "button_press_event", &event, &return_val);
if (clickCount == 2) {
event.type = GDK_2BUTTON_PRESS;
g_signal_emit_by_name(view, "button_press_event", &event, &return_val);
}
} else {
// replaySavedEvents should have the required logic to make leapForward delays work
msgQueue[endOfQueue++].event = event;
replaySavedEvents();
}
return JSValueMakeUndefined(context);
}
static JSValueRef mouseUpCallback(JSContextRef context, JSObjectRef function, JSObjectRef thisObject, size_t argumentCount, const JSValueRef arguments[], JSValueRef* exception)
{
WebKitWebView* view = webkit_web_frame_get_web_view(mainFrame);
if (!view)
return JSValueMakeUndefined(context);
GdkEvent event;
memset(&event, 0, sizeof(event));
event.type = GDK_BUTTON_RELEASE;
event.button.button = 1;
if (argumentCount == 1) {
event.button.button = (int)JSValueToNumber(context, arguments[0], exception) + 1;
g_return_val_if_fail((!exception || !*exception), JSValueMakeUndefined(context));
}
currentEventButton = event.button.button;
event.button.x = lastMousePositionX;
event.button.y = lastMousePositionY;
event.button.window = GTK_WIDGET(view)->window;
event.button.time = GDK_CURRENT_TIME;
event.button.device = gdk_device_get_core_pointer();
event.button.state = getStateFlags();
down = false;
int x_root, y_root;
#if GTK_CHECK_VERSION(2,17,3)
gdk_window_get_root_coords(GTK_WIDGET(view)->window, lastMousePositionX, lastMousePositionY, &x_root, &y_root);
#else
getRootCoords(GTK_WIDGET(view), &x_root, &y_root);
#endif
event.button.x_root = x_root;
event.button.y_root = y_root;
if ((dragMode && !replayingSavedEvents) || msgQueue[endOfQueue].delay) {
msgQueue[endOfQueue].event = event;
msgQueue[endOfQueue++].isDragEvent = true;
replaySavedEvents();
} else {
webkit_web_frame_layout(mainFrame);
gboolean return_val;
g_signal_emit_by_name(view, "button_release_event", &event, &return_val);
}
lastClickPositionX = lastMousePositionX;
lastClickPositionY = lastMousePositionY;
return JSValueMakeUndefined(context);
}
static JSValueRef mouseMoveToCallback(JSContextRef context, JSObjectRef function, JSObjectRef thisObject, size_t argumentCount, const JSValueRef arguments[], JSValueRef* exception)
{
WebKitWebView* view = webkit_web_frame_get_web_view(mainFrame);
if (!view)
return JSValueMakeUndefined(context);
if (argumentCount < 2)
return JSValueMakeUndefined(context);
lastMousePositionX = (int)JSValueToNumber(context, arguments[0], exception);
g_return_val_if_fail((!exception || !*exception), JSValueMakeUndefined(context));
lastMousePositionY = (int)JSValueToNumber(context, arguments[1], exception);
g_return_val_if_fail((!exception || !*exception), JSValueMakeUndefined(context));
GdkEvent event;
memset(&event, 0, sizeof(event));
event.type = GDK_MOTION_NOTIFY;
event.motion.x = lastMousePositionX;
event.motion.y = lastMousePositionY;
event.motion.time = GDK_CURRENT_TIME;
event.motion.window = GTK_WIDGET(view)->window;
event.motion.device = gdk_device_get_core_pointer();
event.motion.state = getStateFlags();
int xRoot, yRoot;
#if GTK_CHECK_VERSION(2,17,3)
gdk_window_get_root_coords(GTK_WIDGET(view)->window, lastMousePositionX, lastMousePositionY, &xRoot, &yRoot);
#else
getRootCoords(GTK_WIDGET(view), &xRoot, &yRoot);
#endif
event.motion.x_root = xRoot;
event.motion.y_root = yRoot;
sendOrQueueEvent(event);
return JSValueMakeUndefined(context);
}
