зеркало из https://github.com/mozilla/gecko-dev.git
101 строка
2.8 KiB
C++
101 строка
2.8 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"
|
|
|
|
#include "mozilla/UniquePtr.h"
|
|
#include "nsReadableUtils.h"
|
|
#include "nsWindow.h"
|
|
|
|
#include <gtk/gtk.h>
|
|
#include <dlfcn.h>
|
|
#include <glib.h>
|
|
|
|
namespace mozilla::widget {
|
|
|
|
int32_t WidgetUtilsGTK::IsTouchDeviceSupportPresent() {
|
|
int32_t result = 0;
|
|
GdkDisplay* display = gdk_display_get_default();
|
|
if (!display) {
|
|
return 0;
|
|
}
|
|
|
|
GdkDeviceManager* manager = gdk_display_get_device_manager(display);
|
|
if (!manager) {
|
|
return 0;
|
|
}
|
|
|
|
GList* devices =
|
|
gdk_device_manager_list_devices(manager, GDK_DEVICE_TYPE_SLAVE);
|
|
GList* list = devices;
|
|
|
|
while (devices) {
|
|
GdkDevice* device = static_cast<GdkDevice*>(devices->data);
|
|
if (gdk_device_get_source(device) == GDK_SOURCE_TOUCHSCREEN) {
|
|
result = 1;
|
|
break;
|
|
}
|
|
devices = devices->next;
|
|
}
|
|
|
|
if (list) {
|
|
g_list_free(list);
|
|
}
|
|
|
|
return result;
|
|
}
|
|
|
|
bool IsMainWindowTransparent() {
|
|
return nsWindow::IsToplevelWindowTransparent();
|
|
}
|
|
|
|
// We avoid linking gdk_*_display_get_type directly in order to avoid a runtime
|
|
// dependency on GTK built with both backends. Other X11- and Wayland-specific
|
|
// functions get stubbed out by libmozgtk and crash when called, but those
|
|
// should only be called when the matching backend is already in use.
|
|
|
|
bool GdkIsWaylandDisplay(GdkDisplay* display) {
|
|
static auto sGdkWaylandDisplayGetType =
|
|
(GType(*)())dlsym(RTLD_DEFAULT, "gdk_wayland_display_get_type");
|
|
return sGdkWaylandDisplayGetType &&
|
|
G_TYPE_CHECK_INSTANCE_TYPE(display, sGdkWaylandDisplayGetType());
|
|
}
|
|
|
|
bool GdkIsX11Display(GdkDisplay* display) {
|
|
static auto sGdkX11DisplayGetType =
|
|
(GType(*)())dlsym(RTLD_DEFAULT, "gdk_x11_display_get_type");
|
|
return sGdkX11DisplayGetType &&
|
|
G_TYPE_CHECK_INSTANCE_TYPE(display, sGdkX11DisplayGetType());
|
|
}
|
|
|
|
bool GdkIsWaylandDisplay() {
|
|
static bool isWaylandDisplay =
|
|
gdk_display_get_default() ? GdkIsWaylandDisplay(gdk_display_get_default())
|
|
: false;
|
|
return isWaylandDisplay;
|
|
}
|
|
|
|
bool GdkIsX11Display() {
|
|
static bool isX11Display = gdk_display_get_default()
|
|
? GdkIsX11Display(gdk_display_get_default())
|
|
: false;
|
|
return isX11Display;
|
|
}
|
|
|
|
nsTArray<nsCString> ParseTextURIList(const nsACString& aData) {
|
|
UniquePtr<char[]> data(ToNewCString(aData));
|
|
gchar** uris = g_uri_list_extract_uris(data.get());
|
|
|
|
nsTArray<nsCString> result;
|
|
for (size_t i = 0; i < g_strv_length(uris); i++) {
|
|
result.AppendElement(nsCString(uris[i]));
|
|
}
|
|
|
|
g_strfreev(uris);
|
|
return result;
|
|
}
|
|
|
|
} // namespace mozilla::widget
|