mirror of
https://github.com/roytam1/basilisk55.git
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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 -*- */
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#include "WidgetUtilsGtk.h"
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namespace mozilla {
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namespace widget {
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int32_t WidgetUtilsGTK::IsTouchDeviceSupportPresent()
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{
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PointerCapabilities caps;
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GetPointerCapabilities(caps);
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return caps.haveTouchscreen ? 1 : 0;
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}
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void WidgetUtilsGTK::GetPointerCapabilities(PointerCapabilities& aCaps)
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{
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aCaps.haveCoarsePointer = false;
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aCaps.haveFinePointer = false;
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aCaps.haveHoverCapablePointer = false;
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aCaps.haveHoverIncapablePointer = false;
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aCaps.haveTouchscreen = false;
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#if GTK_CHECK_VERSION(3,4,0)
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GdkDisplay* display = gdk_display_get_default();
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if (!display) {
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// Assume a mouse.
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aCaps.haveFinePointer = true;
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aCaps.haveHoverCapablePointer = true;
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return;
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}
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GdkDeviceManager* manager = gdk_display_get_device_manager(display);
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if (!manager) {
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// Assume a mouse.
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aCaps.haveFinePointer = true;
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aCaps.haveHoverCapablePointer = true;
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return;
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}
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GList* devices =
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gdk_device_manager_list_devices(manager, GDK_DEVICE_TYPE_SLAVE);
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GList* list = devices;
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while (devices) {
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GdkDevice* device = static_cast<GdkDevice*>(devices->data);
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switch (gdk_device_get_source(device)) {
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case GDK_SOURCE_MOUSE:
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case GDK_SOURCE_TOUCHPAD:
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case GDK_SOURCE_TRACKPOINT:
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aCaps.haveFinePointer = true;
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aCaps.haveHoverCapablePointer = true;
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break;
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case GDK_SOURCE_PEN:
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case GDK_SOURCE_ERASER:
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case GDK_SOURCE_CURSOR:
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case GDK_SOURCE_TABLET_PAD:
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aCaps.haveCoarsePointer = true;
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aCaps.haveHoverIncapablePointer = true;
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break;
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case GDK_SOURCE_TOUCHSCREEN:
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aCaps.haveCoarsePointer = true;
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aCaps.haveHoverIncapablePointer = true;
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aCaps.haveTouchscreen = true;
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break;
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case GDK_SOURCE_KEYBOARD:
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break;
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}
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devices = devices->next;
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}
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if (list) {
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g_list_free(list);
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}
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#else
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// Assume a mouse.
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aCaps.haveFinePointer = true;
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aCaps.haveHoverCapablePointer = true;
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#endif
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}
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} // namespace widget
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} // namespace mozilla
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