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/*
* gdkdisplay-win32.h
*
* Copyright 2014 Chun-wei Fan <fanc999@yahoo.com.tw>
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public
* License along with this library. If not, see <http://www.gnu.org/licenses/>.
*/
#include "gdkdisplayprivate.h"
#ifndef __GDK_DISPLAY__WIN32_H__
#define __GDK_DISPLAY__WIN32_H__
#include "gdkwin32screen.h"
#include "gdkwin32cursor.h"
#ifdef GDK_WIN32_ENABLE_EGL
# include <epoxy/egl.h>
#endif
/* Define values used to set DPI-awareness */
typedef enum _GdkWin32ProcessDpiAwareness {
PROCESS_DPI_UNAWARE = 0,
PROCESS_SYSTEM_DPI_AWARE = 1,
PROCESS_PER_MONITOR_DPI_AWARE = 2,
PROCESS_PER_MONITOR_DPI_AWARE_V2 = 3, /* Newer HiDPI type for Windows 10 1607+ */
} GdkWin32ProcessDpiAwareness;
/* From https://docs.microsoft.com/en-US/windows/win32/hidpi/dpi-awareness-context */
/* DPI_AWARENESS_CONTEXT is declared by DEFINE_HANDLE */
#ifndef DPI_AWARENESS_CONTEXT_UNAWARE
#define DPI_AWARENESS_CONTEXT_UNAWARE (HANDLE)-1
#endif
#ifndef DPI_AWARENESS_CONTEXT_SYSTEM_AWARE
#define DPI_AWARENESS_CONTEXT_SYSTEM_AWARE (HANDLE)-2
#endif
#ifndef DPI_AWARENESS_CONTEXT_PER_MONITOR_AWARE_V2
#define DPI_AWARENESS_CONTEXT_PER_MONITOR_AWARE_V2 (HANDLE)-4
#endif
typedef enum _GdkWin32MonitorDpiType {
MDT_EFFECTIVE_DPI = 0,
MDT_ANGULAR_DPI = 1,
MDT_RAW_DPI = 2,
MDT_DEFAULT = MDT_EFFECTIVE_DPI
} GdkWin32MonitorDpiType;
/* APIs from shcore.dll */
typedef HRESULT (WINAPI *funcSetProcessDpiAwareness) (GdkWin32ProcessDpiAwareness value);
typedef HRESULT (WINAPI *funcGetProcessDpiAwareness) (HANDLE handle, GdkWin32ProcessDpiAwareness *awareness);
typedef HRESULT (WINAPI *funcGetDpiForMonitor) (HMONITOR monitor,
GdkWin32MonitorDpiType dpi_type,
UINT *dpi_x,
UINT *dpi_y);
typedef struct _GdkWin32ShcoreFuncs
{
HMODULE hshcore;
funcSetProcessDpiAwareness setDpiAwareFunc;
funcGetProcessDpiAwareness getDpiAwareFunc;
funcGetDpiForMonitor getDpiForMonitorFunc;
} GdkWin32ShcoreFuncs;
/* DPI awareness APIs from user32.dll */
typedef BOOL (WINAPI *funcSetProcessDPIAware) (void);
typedef BOOL (WINAPI *funcIsProcessDPIAware) (void);
/*
* funcSPDAC is SetProcessDpiAwarenessContext() and
* funcGTDAC is GetThreadDpiAwarenessContext() and
* funcADACE is AreDpiAwarenessContextsEqual() provided by user32.dll, on
* Windows 10 Creator Edition and later.
* Treat HANDLE as void*, for convenience, since DPI_AWARENESS_CONTEXT is
* declared using DEFINE_HANDLE.
*/
typedef BOOL (WINAPI *funcSPDAC) (void *);
typedef HANDLE (WINAPI *funcGTDAC) (void);
typedef BOOL (WINAPI *funcADACE) (void *, void *);
typedef struct _GdkWin32User32DPIFuncs
{
funcSetProcessDPIAware setDpiAwareFunc;
funcIsProcessDPIAware isDpiAwareFunc;
funcSPDAC setPDAC;
funcGTDAC getTDAC;
funcADACE areDACEqual;
} GdkWin32User32DPIFuncs;
/* Detect running architecture */
typedef BOOL (WINAPI *funcIsWow64Process2) (HANDLE, USHORT *, USHORT *);
typedef struct _GdkWin32KernelCPUFuncs
{
funcIsWow64Process2 isWow64Process2;
} GdkWin32KernelCPUFuncs;
struct _GdkWin32Display
{
GdkDisplay display;
GdkWin32Screen *screen;
Win32CursorTheme *cursor_theme;
char *cursor_theme_name;
int cursor_theme_size;
HWND hwnd;
/* WGL/OpenGL Items */
guint have_wgl : 1;
guint gl_version;
HWND gl_hwnd;
#ifdef GDK_WIN32_ENABLE_EGL
/* EGL (Angle) Items */
guint have_egl : 1;
guint egl_version;
EGLDisplay egl_disp;
HDC hdc_egl_temp;
#endif
GListModel *monitors;
guint hasWglARBCreateContext : 1;
guint hasWglEXTSwapControl : 1;
guint hasWglOMLSyncControl : 1;
guint hasWglARBPixelFormat : 1;
guint hasWglARBmultisample : 1;
#ifdef GDK_WIN32_ENABLE_EGL
guint hasEglKHRCreateContext : 1;
guint hasEglSurfacelessContext : 1;
EGLint egl_min_swap_interval;
#endif
/* HiDPI Items */
guint have_at_least_win81 : 1;
GdkWin32ProcessDpiAwareness dpi_aware_type;
guint has_fixed_scale : 1;
guint surface_scale;
GdkWin32ShcoreFuncs shcore_funcs;
GdkWin32User32DPIFuncs user32_dpi_funcs;
/* Cursor Items (GdkCursor->GdkWin32HCursor) */
GHashTable *cursors;
/* The cursor that is used by current grab (if any) */
GdkWin32HCursor *grab_cursor;
/* HCURSOR -> GdkWin32HCursorTableEntry */
GHashTable *cursor_reftable;
/* ID of the idle callback scheduled to destroy cursors */
guint idle_cursor_destructor_id;
/* A list of cursor handles slated for destruction. */
GList *cursors_for_destruction;
/* Message filters */
GList *filters;
/* Running CPU items */
guint running_on_arm64 : 1;
GdkWin32KernelCPUFuncs cpu_funcs;
};
struct _GdkWin32DisplayClass
{
GdkDisplayClass display_class;
};
void _gdk_win32_display_init_monitors (GdkWin32Display *display);
GPtrArray *_gdk_win32_display_get_monitor_list (GdkWin32Display *display);
void gdk_win32_display_check_composited (GdkWin32Display *display);
guint _gdk_win32_display_get_monitor_scale_factor (GdkWin32Display *win32_display,
HMONITOR hmonitor,
HWND hwnd,
int *dpi);
typedef struct _GdkWin32MessageFilter GdkWin32MessageFilter;
struct _GdkWin32MessageFilter
{
GdkWin32MessageFilterFunc function;
gpointer data;
gboolean removed;
guint ref_count;
};
#endif /* __GDK_DISPLAY__WIN32_H__ */
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