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1c94bf396f
When this Retina mode is enabled and the primary display is in the user's
default configuration, Wine gets told that screen and window sizes and mouse
coordinates are twice what Cocoa reports them as in its virtual coordinate
system ("points"). The Windows apps then renders at that high resolution and
the Mac driver blits it to screen. If the screen is actually a Retina display
in a high-DPI mode, then this extra detail will be preserved. Otherwise, the
rendering will be downsampled and blurry.
This is intended to be combined with increasing the Windows DPI, as via winecfg.
If that is doubled to 192, then, in theory, graphical elements will remain the
same visual size on screen but be rendered with finer detail. Unfortunately,
many Windows programs don't correctly handle non-standard DPI so the results
are not always perfect.
The registry setting to enable Retina mode is:
[HKEY_CURRENT_USER\Software\Wine\Mac Driver]
"RetinaMode"="y"
Note that this setting is not looked for in the AppDefaults\<exe name> key
because it doesn't make sense for only some processes in a Wine session to see
the high-resolution sizes and coordinates.
Signed-off-by: Ken Thomases <ken@codeweavers.com>
Signed-off-by: Alexandre Julliard <julliard@winehq.org>
105 lines
3.5 KiB
Objective-C
105 lines
3.5 KiB
Objective-C
/*
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* MACDRV Cocoa display settings
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*
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* Copyright 2011, 2012 Ken Thomases for CodeWeavers Inc.
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
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*/
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#import <AppKit/AppKit.h>
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#include "macdrv_cocoa.h"
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/***********************************************************************
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* convert_display_rect
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*
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* Converts an NSRect in Cocoa's y-goes-up-from-bottom coordinate system
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* to a CGRect in y-goes-down-from-top coordinates.
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*/
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static inline void convert_display_rect(CGRect* out_rect, NSRect in_rect,
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NSRect primary_frame)
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{
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*out_rect = NSRectToCGRect(in_rect);
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out_rect->origin.y = NSMaxY(primary_frame) - NSMaxY(in_rect);
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}
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/***********************************************************************
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* macdrv_get_displays
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*
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* Returns information about the displays.
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*
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* Returns 0 on success and *displays contains a newly-allocated array
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* of macdrv_display structures and *count contains the number of
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* elements in that array. The first element of the array is the
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* primary display. When the caller is done with the array, it should
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* use macdrv_free_displays() to deallocate it.
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*
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* Returns non-zero on failure and *displays and *count are unchanged.
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*/
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int macdrv_get_displays(struct macdrv_display** displays, int* count)
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{
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int ret = -1;
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NSAutoreleasePool* pool = [[NSAutoreleasePool alloc] init];
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NSArray* screens = [NSScreen screens];
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if (screens)
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{
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NSUInteger num_screens = [screens count];
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struct macdrv_display* disps = malloc(num_screens * sizeof(disps[0]));
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if (disps)
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{
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NSRect primary_frame;
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NSUInteger i;
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for (i = 0; i < num_screens; i++)
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{
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NSScreen* screen = [screens objectAtIndex:i];
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NSRect frame = [screen frame];
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NSRect visible_frame = [screen visibleFrame];
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if (i == 0)
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primary_frame = frame;
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disps[i].displayID = [[[screen deviceDescription] objectForKey:@"NSScreenNumber"] unsignedIntValue];
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convert_display_rect(&disps[i].frame, frame, primary_frame);
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convert_display_rect(&disps[i].work_frame, visible_frame,
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primary_frame);
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disps[i].frame = cgrect_win_from_mac(disps[i].frame);
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disps[i].work_frame = cgrect_win_from_mac(disps[i].work_frame);
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}
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*displays = disps;
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*count = num_screens;
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ret = 0;
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}
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}
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[pool release];
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return ret;
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}
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/***********************************************************************
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* macdrv_free_displays
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*
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* Deallocates an array of macdrv_display structures previously returned
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* from macdrv_get_displays().
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*/
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void macdrv_free_displays(struct macdrv_display* displays)
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{
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free(displays);
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}
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