mirror of
https://github.com/roytam1/UXP.git
synced 2026-05-26 22:13:05 +00:00
Moonchild
5d989634a1
This implements `hover`, `pointer`, `any-hover` and `any-pointer` and the values `course`/`fine` (pointer) and `hover`. A best effort is made to get capabilities from the system but if unknown always falls back to assuming a mouse is present.
91 lines
2.4 KiB
C++
91 lines
2.4 KiB
C++
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
|
|
/* This Source Code Form is subject to the terms of the Mozilla Public
|
|
* License, v. 2.0. If a copy of the MPL was not distributed with this
|
|
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
|
|
|
|
#include "WidgetUtilsGtk.h"
|
|
|
|
namespace mozilla {
|
|
|
|
namespace widget {
|
|
|
|
int32_t WidgetUtilsGTK::IsTouchDeviceSupportPresent()
|
|
{
|
|
PointerCapabilities caps;
|
|
GetPointerCapabilities(caps);
|
|
return caps.haveTouchscreen ? 1 : 0;
|
|
}
|
|
|
|
void WidgetUtilsGTK::GetPointerCapabilities(PointerCapabilities& aCaps)
|
|
{
|
|
aCaps.haveCoarsePointer = false;
|
|
aCaps.haveFinePointer = false;
|
|
aCaps.haveHoverCapablePointer = false;
|
|
aCaps.haveHoverIncapablePointer = false;
|
|
aCaps.haveTouchscreen = false;
|
|
|
|
#if GTK_CHECK_VERSION(3,4,0)
|
|
GdkDisplay* display = gdk_display_get_default();
|
|
if (!display) {
|
|
// Assume a mouse.
|
|
aCaps.haveFinePointer = true;
|
|
aCaps.haveHoverCapablePointer = true;
|
|
return;
|
|
}
|
|
|
|
GdkDeviceManager* manager = gdk_display_get_device_manager(display);
|
|
if (!manager) {
|
|
// Assume a mouse.
|
|
aCaps.haveFinePointer = true;
|
|
aCaps.haveHoverCapablePointer = true;
|
|
return;
|
|
}
|
|
|
|
GList* devices =
|
|
gdk_device_manager_list_devices(manager, GDK_DEVICE_TYPE_SLAVE);
|
|
GList* list = devices;
|
|
|
|
while (devices) {
|
|
GdkDevice* device = static_cast<GdkDevice*>(devices->data);
|
|
switch (gdk_device_get_source(device)) {
|
|
case GDK_SOURCE_MOUSE:
|
|
case GDK_SOURCE_TOUCHPAD:
|
|
case GDK_SOURCE_TRACKPOINT:
|
|
aCaps.haveFinePointer = true;
|
|
aCaps.haveHoverCapablePointer = true;
|
|
break;
|
|
|
|
case GDK_SOURCE_PEN:
|
|
case GDK_SOURCE_ERASER:
|
|
case GDK_SOURCE_CURSOR:
|
|
case GDK_SOURCE_TABLET_PAD:
|
|
aCaps.haveCoarsePointer = true;
|
|
aCaps.haveHoverIncapablePointer = true;
|
|
break;
|
|
|
|
case GDK_SOURCE_TOUCHSCREEN:
|
|
aCaps.haveCoarsePointer = true;
|
|
aCaps.haveHoverIncapablePointer = true;
|
|
aCaps.haveTouchscreen = true;
|
|
break;
|
|
|
|
case GDK_SOURCE_KEYBOARD:
|
|
break;
|
|
}
|
|
devices = devices->next;
|
|
}
|
|
|
|
if (list) {
|
|
g_list_free(list);
|
|
}
|
|
#else
|
|
// Assume a mouse.
|
|
aCaps.haveFinePointer = true;
|
|
aCaps.haveHoverCapablePointer = true;
|
|
#endif
|
|
}
|
|
|
|
} // namespace widget
|
|
|
|
} // namespace mozilla
|