gecko-dev/widget/gtk/nsScreenGtk.h

58 lines
1.5 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/. */
#ifndef nsScreenGtk_h___
#define nsScreenGtk_h___
#include "nsBaseScreen.h"
#include "nsRect.h"
#include "gdk/gdk.h"
#ifdef MOZ_X11
#include <X11/Xlib.h>
// from Xinerama.h
typedef struct {
int screen_number;
short x_org;
short y_org;
short width;
short height;
} XineramaScreenInfo;
#endif /* MOZ_X11 */
//------------------------------------------------------------------------
class nsScreenGtk : public nsBaseScreen
{
public:
nsScreenGtk();
~nsScreenGtk();
NS_IMETHOD GetId(uint32_t* aId) override;
NS_IMETHOD GetRect(int32_t* aLeft, int32_t* aTop,
int32_t* aWidth, int32_t* aHeight) override;
NS_IMETHOD GetAvailRect(int32_t* aLeft, int32_t* aTop,
int32_t* aWidth, int32_t* aHeight) override;
NS_IMETHOD GetPixelDepth(int32_t* aPixelDepth) override;
NS_IMETHOD GetColorDepth(int32_t* aColorDepth) override;
NS_IMETHOD GetDefaultCSSScaleFactor(double* aScaleFactor) override;
void Init(GdkWindow *aRootWindow);
#ifdef MOZ_X11
void Init(XineramaScreenInfo *aScreenInfo);
#endif /* MOZ_X11 */
static gint GetGtkMonitorScaleFactor();
static double GetDPIScale();
private:
uint32_t mScreenNum;
nsIntRect mRect;
nsIntRect mAvailRect;
uint32_t mId;
};
#endif // nsScreenGtk_h___