gtk2/gdk/win32/gdkdisplay-win32.h
2017-11-17 13:47:15 -05:00

116 lines
3.6 KiB
C

/*
* 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"
#include "gdkscreen-win32.h"
#ifndef __GDK_DISPLAY__WIN32_H__
#define __GDK_DISPLAY__WIN32_H__
/* 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
} GdkWin32ProcessDpiAwareness;
/* 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);
typedef struct _GdkWin32User32DPIFuncs
{
funcSetProcessDPIAware setDpiAwareFunc;
funcIsProcessDPIAware isDpiAwareFunc;
} GdkWin32User32DPIFuncs;
struct _GdkWin32Display
{
GdkDisplay display;
GdkWin32Screen *screen;
Win32CursorTheme *cursor_theme;
gchar *cursor_theme_name;
int cursor_theme_size;
HWND hwnd;
HWND clipboard_hwnd;
/* WGL/OpenGL Items */
guint have_wgl : 1;
guint gl_version;
HWND gl_hwnd;
GPtrArray *monitors;
guint hasWglARBCreateContext : 1;
guint hasWglEXTSwapControl : 1;
guint hasWglOMLSyncControl : 1;
guint hasWglARBPixelFormat : 1;
guint hasWglARBmultisample : 1;
/* HiDPI Items */
guint have_at_least_win81 : 1;
GdkWin32ProcessDpiAwareness dpi_aware_type;
guint has_fixed_scale : 1;
guint window_scale;
GdkWin32ShcoreFuncs shcore_funcs;
GdkWin32User32DPIFuncs user32_dpi_funcs;
/* Cursor Items (GdkCursor->HCURSOR) */
GHashTable *cursors;
GdkCursor *grab_cursor;
};
struct _GdkWin32DisplayClass
{
GdkDisplayClass display_class;
};
gboolean _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,
gint *dpi);
#endif /* __GDK_DISPLAY__WIN32_H__ */