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![Zhiyi Zhang](/assets/img/avatar_default.png)
Signed-off-by: Zhiyi Zhang <zzhang@codeweavers.com> Signed-off-by: Alexandre Julliard <julliard@winehq.org>
997 lines
34 KiB
C
997 lines
34 KiB
C
/*
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* Wine X11drv display settings functions
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*
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* Copyright 2003 Alexander James Pasadyn
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* Copyright 2020 Zhiyi Zhang for CodeWeavers
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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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#include "config.h"
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#include <stdlib.h>
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#define NONAMELESSUNION
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#define NONAMELESSSTRUCT
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#include "x11drv.h"
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#include "windef.h"
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#include "winreg.h"
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#include "wingdi.h"
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#include "wine/debug.h"
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#include "wine/heap.h"
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#include "wine/unicode.h"
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WINE_DEFAULT_DEBUG_CHANNEL(x11settings);
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struct x11drv_display_setting
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{
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ULONG_PTR id;
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BOOL placed;
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RECT new_rect;
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RECT desired_rect;
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DEVMODEW desired_mode;
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};
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struct x11drv_display_depth
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{
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struct list entry;
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ULONG_PTR display_id;
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DWORD depth;
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};
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/* Display device emulated depth list, protected by modes_section */
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static struct list x11drv_display_depth_list = LIST_INIT(x11drv_display_depth_list);
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/* All Windows drivers seen so far either support 32 bit depths, or 24 bit depths, but never both. So if we have
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* a 32 bit framebuffer, report 32 bit bpps, otherwise 24 bit ones.
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*/
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static const unsigned int depths_24[] = {8, 16, 24};
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static const unsigned int depths_32[] = {8, 16, 32};
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const unsigned int *depths;
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static struct x11drv_settings_handler handler;
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/* Cached display modes for a device, protected by modes_section */
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static WCHAR cached_device_name[CCHDEVICENAME];
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static DWORD cached_flags;
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static DEVMODEW *cached_modes;
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static UINT cached_mode_count;
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static CRITICAL_SECTION modes_section;
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static CRITICAL_SECTION_DEBUG modes_critsect_debug =
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{
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0, 0, &modes_section,
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{&modes_critsect_debug.ProcessLocksList, &modes_critsect_debug.ProcessLocksList},
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0, 0, {(DWORD_PTR)(__FILE__ ": modes_section")}
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};
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static CRITICAL_SECTION modes_section = {&modes_critsect_debug, -1, 0, 0, 0, 0};
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void X11DRV_Settings_SetHandler(const struct x11drv_settings_handler *new_handler)
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{
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if (new_handler->priority > handler.priority)
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{
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handler = *new_handler;
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TRACE("Display settings are now handled by: %s.\n", handler.name);
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}
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}
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/***********************************************************************
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* Default handlers if resolution switching is not enabled
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*
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*/
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static BOOL nores_get_id(const WCHAR *device_name, ULONG_PTR *id)
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{
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WCHAR primary_adapter[CCHDEVICENAME];
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if (!get_primary_adapter( primary_adapter ))
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return FALSE;
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*id = !lstrcmpiW( device_name, primary_adapter ) ? 1 : 0;
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return TRUE;
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}
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static BOOL nores_get_modes(ULONG_PTR id, DWORD flags, DEVMODEW **new_modes, UINT *mode_count)
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{
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RECT primary = get_host_primary_monitor_rect();
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DEVMODEW *modes;
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modes = heap_calloc(1, sizeof(*modes));
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if (!modes)
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{
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SetLastError(ERROR_NOT_ENOUGH_MEMORY);
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return FALSE;
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}
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modes[0].dmSize = sizeof(*modes);
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modes[0].dmDriverExtra = 0;
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modes[0].dmFields = DM_DISPLAYORIENTATION | DM_BITSPERPEL | DM_PELSWIDTH | DM_PELSHEIGHT |
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DM_DISPLAYFLAGS | DM_DISPLAYFREQUENCY;
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modes[0].u1.s2.dmDisplayOrientation = DMDO_DEFAULT;
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modes[0].dmBitsPerPel = screen_bpp;
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modes[0].dmPelsWidth = primary.right;
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modes[0].dmPelsHeight = primary.bottom;
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modes[0].u2.dmDisplayFlags = 0;
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modes[0].dmDisplayFrequency = 60;
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*new_modes = modes;
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*mode_count = 1;
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return TRUE;
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}
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static void nores_free_modes(DEVMODEW *modes)
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{
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heap_free(modes);
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}
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static BOOL nores_get_current_mode(ULONG_PTR id, DEVMODEW *mode)
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{
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RECT primary = get_host_primary_monitor_rect();
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mode->dmFields = DM_DISPLAYORIENTATION | DM_BITSPERPEL | DM_PELSWIDTH | DM_PELSHEIGHT |
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DM_DISPLAYFLAGS | DM_DISPLAYFREQUENCY | DM_POSITION;
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mode->u1.s2.dmDisplayOrientation = DMDO_DEFAULT;
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mode->u2.dmDisplayFlags = 0;
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mode->u1.s2.dmPosition.x = 0;
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mode->u1.s2.dmPosition.y = 0;
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if (id != 1)
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{
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FIXME("Non-primary adapters are unsupported.\n");
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mode->dmBitsPerPel = 0;
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mode->dmPelsWidth = 0;
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mode->dmPelsHeight = 0;
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mode->dmDisplayFrequency = 0;
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return TRUE;
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}
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mode->dmBitsPerPel = screen_bpp;
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mode->dmPelsWidth = primary.right;
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mode->dmPelsHeight = primary.bottom;
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mode->dmDisplayFrequency = 60;
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return TRUE;
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}
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static LONG nores_set_current_mode(ULONG_PTR id, DEVMODEW *mode)
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{
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WARN("NoRes settings handler, ignoring mode change request.\n");
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return DISP_CHANGE_SUCCESSFUL;
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}
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/* default handler only gets the current X desktop resolution */
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void X11DRV_Settings_Init(void)
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{
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struct x11drv_settings_handler nores_handler;
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depths = screen_bpp == 32 ? depths_32 : depths_24;
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nores_handler.name = "NoRes";
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nores_handler.priority = 1;
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nores_handler.get_id = nores_get_id;
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nores_handler.get_modes = nores_get_modes;
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nores_handler.free_modes = nores_free_modes;
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nores_handler.get_current_mode = nores_get_current_mode;
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nores_handler.set_current_mode = nores_set_current_mode;
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X11DRV_Settings_SetHandler(&nores_handler);
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}
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/* Initialize registry display settings when new display devices are added */
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void init_registry_display_settings(void)
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{
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DEVMODEW dm = {.dmSize = sizeof(dm)};
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DISPLAY_DEVICEW dd = {sizeof(dd)};
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DWORD i = 0;
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LONG ret;
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while (EnumDisplayDevicesW(NULL, i++, &dd, 0))
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{
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/* Skip if the device already has registry display settings */
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if (EnumDisplaySettingsExW(dd.DeviceName, ENUM_REGISTRY_SETTINGS, &dm, 0))
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continue;
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if (!EnumDisplaySettingsExW(dd.DeviceName, ENUM_CURRENT_SETTINGS, &dm, 0))
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{
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ERR("Failed to query current display settings for %s.\n", wine_dbgstr_w(dd.DeviceName));
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continue;
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}
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TRACE("Device %s current display mode %ux%u %ubits %uHz at %d,%d.\n",
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wine_dbgstr_w(dd.DeviceName), dm.dmPelsWidth, dm.dmPelsHeight, dm.dmBitsPerPel,
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dm.dmDisplayFrequency, dm.u1.s2.dmPosition.x, dm.u1.s2.dmPosition.y);
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ret = ChangeDisplaySettingsExW(dd.DeviceName, &dm, NULL,
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CDS_GLOBAL | CDS_NORESET | CDS_UPDATEREGISTRY, NULL);
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if (ret != DISP_CHANGE_SUCCESSFUL)
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ERR("Failed to save registry display settings for %s, returned %d.\n",
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wine_dbgstr_w(dd.DeviceName), ret);
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}
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}
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static BOOL get_display_device_reg_key(const WCHAR *device_name, WCHAR *key, unsigned len)
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{
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static const WCHAR display[] = {'\\','\\','.','\\','D','I','S','P','L','A','Y'};
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static const WCHAR video_value_fmt[] = {'\\','D','e','v','i','c','e','\\',
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'V','i','d','e','o','%','d',0};
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static const WCHAR video_key[] = {'H','A','R','D','W','A','R','E','\\',
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'D','E','V','I','C','E','M','A','P','\\',
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'V','I','D','E','O','\\',0};
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WCHAR value_name[MAX_PATH], buffer[MAX_PATH], *end_ptr;
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DWORD adapter_index, size;
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/* Device name has to be \\.\DISPLAY%d */
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if (strncmpiW(device_name, display, ARRAY_SIZE(display)))
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return FALSE;
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/* Parse \\.\DISPLAY* */
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adapter_index = strtolW(device_name + ARRAY_SIZE(display), &end_ptr, 10) - 1;
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if (*end_ptr)
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return FALSE;
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/* Open \Device\Video* in HKLM\HARDWARE\DEVICEMAP\VIDEO\ */
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sprintfW(value_name, video_value_fmt, adapter_index);
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size = sizeof(buffer);
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if (RegGetValueW(HKEY_LOCAL_MACHINE, video_key, value_name, RRF_RT_REG_SZ, NULL, buffer, &size))
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return FALSE;
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if (len < lstrlenW(buffer + 18) + 1)
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return FALSE;
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/* Skip \Registry\Machine\ prefix */
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lstrcpyW(key, buffer + 18);
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TRACE("display device %s registry settings key %s.\n", wine_dbgstr_w(device_name), wine_dbgstr_w(key));
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return TRUE;
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}
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static BOOL read_registry_settings(const WCHAR *device_name, DEVMODEW *dm)
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{
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WCHAR wine_x11_reg_key[MAX_PATH];
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HANDLE mutex;
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HKEY hkey;
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DWORD type, size;
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BOOL ret = TRUE;
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dm->dmFields = 0;
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mutex = get_display_device_init_mutex();
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if (!get_display_device_reg_key(device_name, wine_x11_reg_key, ARRAY_SIZE(wine_x11_reg_key)))
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{
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release_display_device_init_mutex(mutex);
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return FALSE;
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}
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if (RegOpenKeyExW(HKEY_CURRENT_CONFIG, wine_x11_reg_key, 0, KEY_READ, &hkey))
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{
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release_display_device_init_mutex(mutex);
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return FALSE;
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}
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#define query_value(name, data) \
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size = sizeof(DWORD); \
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if (RegQueryValueExA(hkey, name, 0, &type, (LPBYTE)(data), &size) || \
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type != REG_DWORD || size != sizeof(DWORD)) \
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ret = FALSE
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query_value("DefaultSettings.BitsPerPel", &dm->dmBitsPerPel);
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dm->dmFields |= DM_BITSPERPEL;
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query_value("DefaultSettings.XResolution", &dm->dmPelsWidth);
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dm->dmFields |= DM_PELSWIDTH;
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query_value("DefaultSettings.YResolution", &dm->dmPelsHeight);
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dm->dmFields |= DM_PELSHEIGHT;
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query_value("DefaultSettings.VRefresh", &dm->dmDisplayFrequency);
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dm->dmFields |= DM_DISPLAYFREQUENCY;
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query_value("DefaultSettings.Flags", &dm->u2.dmDisplayFlags);
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dm->dmFields |= DM_DISPLAYFLAGS;
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query_value("DefaultSettings.XPanning", &dm->u1.s2.dmPosition.x);
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query_value("DefaultSettings.YPanning", &dm->u1.s2.dmPosition.y);
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dm->dmFields |= DM_POSITION;
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query_value("DefaultSettings.Orientation", &dm->u1.s2.dmDisplayOrientation);
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dm->dmFields |= DM_DISPLAYORIENTATION;
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query_value("DefaultSettings.FixedOutput", &dm->u1.s2.dmDisplayFixedOutput);
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#undef query_value
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RegCloseKey(hkey);
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release_display_device_init_mutex(mutex);
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return ret;
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}
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static BOOL write_registry_settings(const WCHAR *device_name, const DEVMODEW *dm)
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{
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WCHAR wine_x11_reg_key[MAX_PATH];
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HANDLE mutex;
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HKEY hkey;
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BOOL ret = TRUE;
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mutex = get_display_device_init_mutex();
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if (!get_display_device_reg_key(device_name, wine_x11_reg_key, ARRAY_SIZE(wine_x11_reg_key)))
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{
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release_display_device_init_mutex(mutex);
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return FALSE;
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}
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if (RegCreateKeyExW(HKEY_CURRENT_CONFIG, wine_x11_reg_key, 0, NULL,
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REG_OPTION_VOLATILE, KEY_WRITE, NULL, &hkey, NULL))
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{
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release_display_device_init_mutex(mutex);
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return FALSE;
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}
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#define set_value(name, data) \
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if (RegSetValueExA(hkey, name, 0, REG_DWORD, (const BYTE*)(data), sizeof(DWORD))) \
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ret = FALSE
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set_value("DefaultSettings.BitsPerPel", &dm->dmBitsPerPel);
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set_value("DefaultSettings.XResolution", &dm->dmPelsWidth);
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set_value("DefaultSettings.YResolution", &dm->dmPelsHeight);
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set_value("DefaultSettings.VRefresh", &dm->dmDisplayFrequency);
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set_value("DefaultSettings.Flags", &dm->u2.dmDisplayFlags);
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set_value("DefaultSettings.XPanning", &dm->u1.s2.dmPosition.x);
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set_value("DefaultSettings.YPanning", &dm->u1.s2.dmPosition.y);
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set_value("DefaultSettings.Orientation", &dm->u1.s2.dmDisplayOrientation);
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set_value("DefaultSettings.FixedOutput", &dm->u1.s2.dmDisplayFixedOutput);
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#undef set_value
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RegCloseKey(hkey);
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release_display_device_init_mutex(mutex);
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return ret;
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}
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BOOL get_primary_adapter(WCHAR *name)
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{
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DISPLAY_DEVICEW dd;
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DWORD i;
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dd.cb = sizeof(dd);
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for (i = 0; EnumDisplayDevicesW(NULL, i, &dd, 0); ++i)
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{
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if (dd.StateFlags & DISPLAY_DEVICE_PRIMARY_DEVICE)
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{
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lstrcpyW(name, dd.DeviceName);
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return TRUE;
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}
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}
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return FALSE;
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}
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static int mode_compare(const void *p1, const void *p2)
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{
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DWORD a_width, a_height, b_width, b_height;
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const DEVMODEW *a = p1, *b = p2;
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/* Use the width and height in landscape mode for comparison */
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if (a->u1.s2.dmDisplayOrientation == DMDO_DEFAULT || a->u1.s2.dmDisplayOrientation == DMDO_180)
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{
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a_width = a->dmPelsWidth;
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a_height = a->dmPelsHeight;
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}
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else
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{
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a_width = a->dmPelsHeight;
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a_height = a->dmPelsWidth;
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}
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if (b->u1.s2.dmDisplayOrientation == DMDO_DEFAULT || b->u1.s2.dmDisplayOrientation == DMDO_180)
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{
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b_width = b->dmPelsWidth;
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b_height = b->dmPelsHeight;
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}
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else
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{
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b_width = b->dmPelsHeight;
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b_height = b->dmPelsWidth;
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}
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/* Depth in descending order */
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if (a->dmBitsPerPel != b->dmBitsPerPel)
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return b->dmBitsPerPel - a->dmBitsPerPel;
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/* Width in ascending order */
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if (a_width != b_width)
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return a_width - b_width;
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/* Height in ascending order */
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if (a_height != b_height)
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return a_height - b_height;
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/* Frequency in descending order */
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if (a->dmDisplayFrequency != b->dmDisplayFrequency)
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return b->dmDisplayFrequency - a->dmDisplayFrequency;
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/* Orientation in ascending order */
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return a->u1.s2.dmDisplayOrientation - b->u1.s2.dmDisplayOrientation;
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}
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static void set_display_depth(ULONG_PTR display_id, DWORD depth)
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{
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struct x11drv_display_depth *display_depth;
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EnterCriticalSection(&modes_section);
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LIST_FOR_EACH_ENTRY(display_depth, &x11drv_display_depth_list, struct x11drv_display_depth, entry)
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{
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if (display_depth->display_id == display_id)
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{
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display_depth->depth = depth;
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LeaveCriticalSection(&modes_section);
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return;
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}
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}
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display_depth = heap_alloc(sizeof(*display_depth));
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if (!display_depth)
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{
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ERR("Failed to allocate memory.\n");
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LeaveCriticalSection(&modes_section);
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return;
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}
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display_depth->display_id = display_id;
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display_depth->depth = depth;
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list_add_head(&x11drv_display_depth_list, &display_depth->entry);
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LeaveCriticalSection(&modes_section);
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}
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static DWORD get_display_depth(ULONG_PTR display_id)
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{
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struct x11drv_display_depth *display_depth;
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DWORD depth;
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EnterCriticalSection(&modes_section);
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LIST_FOR_EACH_ENTRY(display_depth, &x11drv_display_depth_list, struct x11drv_display_depth, entry)
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{
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if (display_depth->display_id == display_id)
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{
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depth = display_depth->depth;
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LeaveCriticalSection(&modes_section);
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return depth;
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}
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}
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LeaveCriticalSection(&modes_section);
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return screen_bpp;
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}
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/***********************************************************************
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* EnumDisplaySettingsEx (X11DRV.@)
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*
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*/
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BOOL CDECL X11DRV_EnumDisplaySettingsEx( LPCWSTR name, DWORD n, LPDEVMODEW devmode, DWORD flags)
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{
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static const WCHAR dev_name[CCHDEVICENAME] =
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{ 'W','i','n','e',' ','X','1','1',' ','d','r','i','v','e','r',0 };
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DEVMODEW *modes;
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UINT mode_count;
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ULONG_PTR id;
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if (n == ENUM_REGISTRY_SETTINGS)
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{
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|
if (!read_registry_settings(name, devmode))
|
|
{
|
|
ERR("Failed to get %s registry display settings.\n", wine_dbgstr_w(name));
|
|
return FALSE;
|
|
}
|
|
goto done;
|
|
}
|
|
|
|
if (n == ENUM_CURRENT_SETTINGS)
|
|
{
|
|
if (!handler.get_id(name, &id) || !handler.get_current_mode(id, devmode))
|
|
{
|
|
ERR("Failed to get %s current display settings.\n", wine_dbgstr_w(name));
|
|
return FALSE;
|
|
}
|
|
|
|
if (!is_detached_mode(devmode))
|
|
devmode->dmBitsPerPel = get_display_depth(id);
|
|
|
|
goto done;
|
|
}
|
|
|
|
EnterCriticalSection(&modes_section);
|
|
if (n == 0 || lstrcmpiW(cached_device_name, name) || cached_flags != flags)
|
|
{
|
|
if (!handler.get_id(name, &id) || !handler.get_modes(id, flags, &modes, &mode_count))
|
|
{
|
|
ERR("Failed to get %s supported display modes.\n", wine_dbgstr_w(name));
|
|
LeaveCriticalSection(&modes_section);
|
|
return FALSE;
|
|
}
|
|
|
|
qsort(modes, mode_count, sizeof(*modes) + modes[0].dmDriverExtra, mode_compare);
|
|
|
|
if (cached_modes)
|
|
handler.free_modes(cached_modes);
|
|
lstrcpyW(cached_device_name, name);
|
|
cached_flags = flags;
|
|
cached_modes = modes;
|
|
cached_mode_count = mode_count;
|
|
}
|
|
|
|
if (n >= cached_mode_count)
|
|
{
|
|
LeaveCriticalSection(&modes_section);
|
|
WARN("handler:%s device:%s mode index:%#x not found.\n", handler.name, wine_dbgstr_w(name), n);
|
|
SetLastError(ERROR_NO_MORE_FILES);
|
|
return FALSE;
|
|
}
|
|
|
|
memcpy(devmode, (BYTE *)cached_modes + (sizeof(*cached_modes) + cached_modes[0].dmDriverExtra) * n, sizeof(*devmode));
|
|
LeaveCriticalSection(&modes_section);
|
|
|
|
done:
|
|
/* Set generic fields */
|
|
devmode->dmSize = FIELD_OFFSET(DEVMODEW, dmICMMethod);
|
|
devmode->dmDriverExtra = 0;
|
|
devmode->dmSpecVersion = DM_SPECVERSION;
|
|
devmode->dmDriverVersion = DM_SPECVERSION;
|
|
lstrcpyW(devmode->dmDeviceName, dev_name);
|
|
return TRUE;
|
|
}
|
|
|
|
BOOL is_detached_mode(const DEVMODEW *mode)
|
|
{
|
|
return mode->dmFields & DM_POSITION &&
|
|
mode->dmFields & DM_PELSWIDTH &&
|
|
mode->dmFields & DM_PELSHEIGHT &&
|
|
mode->dmPelsWidth == 0 &&
|
|
mode->dmPelsHeight == 0;
|
|
}
|
|
|
|
/* Get the full display mode with all the necessary fields set.
|
|
* Return NULL on failure. Caller should call free_full_mode() to free the returned mode. */
|
|
static DEVMODEW *get_full_mode(ULONG_PTR id, DEVMODEW *dev_mode)
|
|
{
|
|
DEVMODEW *modes, *full_mode, *found_mode = NULL;
|
|
UINT mode_count, mode_idx;
|
|
|
|
if (is_detached_mode(dev_mode))
|
|
return dev_mode;
|
|
|
|
if (!handler.get_modes(id, EDS_ROTATEDMODE, &modes, &mode_count))
|
|
return NULL;
|
|
|
|
qsort(modes, mode_count, sizeof(*modes) + modes[0].dmDriverExtra, mode_compare);
|
|
for (mode_idx = 0; mode_idx < mode_count; ++mode_idx)
|
|
{
|
|
found_mode = (DEVMODEW *)((BYTE *)modes + (sizeof(*modes) + modes[0].dmDriverExtra) * mode_idx);
|
|
|
|
if (dev_mode->dmFields & DM_BITSPERPEL &&
|
|
dev_mode->dmBitsPerPel &&
|
|
found_mode->dmBitsPerPel != dev_mode->dmBitsPerPel)
|
|
continue;
|
|
if (dev_mode->dmFields & DM_PELSWIDTH && found_mode->dmPelsWidth != dev_mode->dmPelsWidth)
|
|
continue;
|
|
if (dev_mode->dmFields & DM_PELSHEIGHT && found_mode->dmPelsHeight != dev_mode->dmPelsHeight)
|
|
continue;
|
|
if (dev_mode->dmFields & DM_DISPLAYFREQUENCY &&
|
|
dev_mode->dmDisplayFrequency &&
|
|
found_mode->dmDisplayFrequency &&
|
|
dev_mode->dmDisplayFrequency != 1 &&
|
|
dev_mode->dmDisplayFrequency != found_mode->dmDisplayFrequency)
|
|
continue;
|
|
if (dev_mode->dmFields & DM_DISPLAYORIENTATION &&
|
|
found_mode->u1.s2.dmDisplayOrientation != dev_mode->u1.s2.dmDisplayOrientation)
|
|
continue;
|
|
|
|
break;
|
|
}
|
|
|
|
if (!found_mode || mode_idx == mode_count)
|
|
{
|
|
handler.free_modes(modes);
|
|
return NULL;
|
|
}
|
|
|
|
if (!(full_mode = heap_alloc(sizeof(*found_mode) + found_mode->dmDriverExtra)))
|
|
{
|
|
handler.free_modes(modes);
|
|
return NULL;
|
|
}
|
|
|
|
memcpy(full_mode, found_mode, sizeof(*found_mode) + found_mode->dmDriverExtra);
|
|
handler.free_modes(modes);
|
|
|
|
full_mode->dmFields |= DM_POSITION;
|
|
full_mode->u1.s2.dmPosition = dev_mode->u1.s2.dmPosition;
|
|
return full_mode;
|
|
}
|
|
|
|
static void free_full_mode(DEVMODEW *mode)
|
|
{
|
|
if (!is_detached_mode(mode))
|
|
heap_free(mode);
|
|
}
|
|
|
|
static LONG get_display_settings(struct x11drv_display_setting **new_displays,
|
|
INT *new_display_count, const WCHAR *dev_name, DEVMODEW *dev_mode)
|
|
{
|
|
struct x11drv_display_setting *displays;
|
|
DEVMODEW registry_mode, current_mode;
|
|
INT display_idx, display_count = 0;
|
|
DISPLAY_DEVICEW display_device;
|
|
LONG ret = DISP_CHANGE_FAILED;
|
|
|
|
display_device.cb = sizeof(display_device);
|
|
for (display_idx = 0; EnumDisplayDevicesW(NULL, display_idx, &display_device, 0); ++display_idx)
|
|
++display_count;
|
|
|
|
displays = heap_calloc(display_count, sizeof(*displays));
|
|
if (!displays)
|
|
goto done;
|
|
|
|
for (display_idx = 0; display_idx < display_count; ++display_idx)
|
|
{
|
|
if (!EnumDisplayDevicesW(NULL, display_idx, &display_device, 0))
|
|
goto done;
|
|
|
|
if (!handler.get_id(display_device.DeviceName, &displays[display_idx].id))
|
|
{
|
|
ret = DISP_CHANGE_BADPARAM;
|
|
goto done;
|
|
}
|
|
|
|
if (!dev_mode)
|
|
{
|
|
memset(®istry_mode, 0, sizeof(registry_mode));
|
|
registry_mode.dmSize = sizeof(registry_mode);
|
|
if (!EnumDisplaySettingsExW(display_device.DeviceName, ENUM_REGISTRY_SETTINGS, ®istry_mode, 0))
|
|
goto done;
|
|
|
|
displays[display_idx].desired_mode = registry_mode;
|
|
}
|
|
else if (!lstrcmpiW(dev_name, display_device.DeviceName))
|
|
{
|
|
displays[display_idx].desired_mode = *dev_mode;
|
|
if (!(dev_mode->dmFields & DM_POSITION))
|
|
{
|
|
memset(¤t_mode, 0, sizeof(current_mode));
|
|
current_mode.dmSize = sizeof(current_mode);
|
|
if (!EnumDisplaySettingsExW(display_device.DeviceName, ENUM_CURRENT_SETTINGS, ¤t_mode, 0))
|
|
goto done;
|
|
|
|
displays[display_idx].desired_mode.dmFields |= DM_POSITION;
|
|
displays[display_idx].desired_mode.u1.s2.dmPosition = current_mode.u1.s2.dmPosition;
|
|
}
|
|
}
|
|
else
|
|
{
|
|
memset(¤t_mode, 0, sizeof(current_mode));
|
|
current_mode.dmSize = sizeof(current_mode);
|
|
if (!EnumDisplaySettingsExW(display_device.DeviceName, ENUM_CURRENT_SETTINGS, ¤t_mode, 0))
|
|
goto done;
|
|
|
|
displays[display_idx].desired_mode = current_mode;
|
|
}
|
|
|
|
SetRect(&displays[display_idx].desired_rect,
|
|
displays[display_idx].desired_mode.u1.s2.dmPosition.x,
|
|
displays[display_idx].desired_mode.u1.s2.dmPosition.y,
|
|
displays[display_idx].desired_mode.u1.s2.dmPosition.x + displays[display_idx].desired_mode.dmPelsWidth,
|
|
displays[display_idx].desired_mode.u1.s2.dmPosition.y + displays[display_idx].desired_mode.dmPelsHeight);
|
|
lstrcpyW(displays[display_idx].desired_mode.dmDeviceName, display_device.DeviceName);
|
|
}
|
|
|
|
*new_displays = displays;
|
|
*new_display_count = display_count;
|
|
return DISP_CHANGE_SUCCESSFUL;
|
|
|
|
done:
|
|
heap_free(displays);
|
|
return ret;
|
|
}
|
|
|
|
static INT offset_length(POINT offset)
|
|
{
|
|
return offset.x * offset.x + offset.y * offset.y;
|
|
}
|
|
|
|
/* Check if a rect overlaps with placed display rects */
|
|
static BOOL overlap_placed_displays(const RECT *rect, const struct x11drv_display_setting *displays, INT display_count)
|
|
{
|
|
INT display_idx;
|
|
RECT intersect;
|
|
|
|
for (display_idx = 0; display_idx < display_count; ++display_idx)
|
|
{
|
|
if (displays[display_idx].placed &&
|
|
IntersectRect(&intersect, &displays[display_idx].new_rect, rect))
|
|
return TRUE;
|
|
}
|
|
return FALSE;
|
|
}
|
|
|
|
/* Get the offset with minimum length to place a display next to the placed displays with no spacing and overlaps */
|
|
static POINT get_placement_offset(const struct x11drv_display_setting *displays, INT display_count, INT placing_idx)
|
|
{
|
|
POINT points[8], left_top, offset, min_offset = {0, 0};
|
|
INT display_idx, point_idx, point_count, vertex_idx;
|
|
BOOL has_placed = FALSE, first = TRUE;
|
|
INT width, height;
|
|
RECT rect;
|
|
|
|
/* If the display to be placed is detached, no offset is needed to place it */
|
|
if (IsRectEmpty(&displays[placing_idx].desired_rect))
|
|
return min_offset;
|
|
|
|
/* If there is no placed and attached display, place this display as it is */
|
|
for (display_idx = 0; display_idx < display_count; ++display_idx)
|
|
{
|
|
if (displays[display_idx].placed && !IsRectEmpty(&displays[display_idx].new_rect))
|
|
{
|
|
has_placed = TRUE;
|
|
break;
|
|
}
|
|
}
|
|
|
|
if (!has_placed)
|
|
return min_offset;
|
|
|
|
/* Try to place this display with each of its four vertices at every vertex of the placed
|
|
* displays and see which combination has the minimum offset length */
|
|
width = displays[placing_idx].desired_rect.right - displays[placing_idx].desired_rect.left;
|
|
height = displays[placing_idx].desired_rect.bottom - displays[placing_idx].desired_rect.top;
|
|
|
|
for (display_idx = 0; display_idx < display_count; ++display_idx)
|
|
{
|
|
if (!displays[display_idx].placed || IsRectEmpty(&displays[display_idx].new_rect))
|
|
continue;
|
|
|
|
/* Get four vertices of the placed display rectangle */
|
|
points[0].x = displays[display_idx].new_rect.left;
|
|
points[0].y = displays[display_idx].new_rect.top;
|
|
points[1].x = displays[display_idx].new_rect.left;
|
|
points[1].y = displays[display_idx].new_rect.bottom;
|
|
points[2].x = displays[display_idx].new_rect.right;
|
|
points[2].y = displays[display_idx].new_rect.top;
|
|
points[3].x = displays[display_idx].new_rect.right;
|
|
points[3].y = displays[display_idx].new_rect.bottom;
|
|
point_count = 4;
|
|
|
|
/* Intersected points when moving the display to be placed horizontally */
|
|
if (displays[placing_idx].desired_rect.bottom >= displays[display_idx].new_rect.top &&
|
|
displays[placing_idx].desired_rect.top <= displays[display_idx].new_rect.bottom)
|
|
{
|
|
points[point_count].x = displays[display_idx].new_rect.left;
|
|
points[point_count++].y = displays[placing_idx].desired_rect.top;
|
|
points[point_count].x = displays[display_idx].new_rect.right;
|
|
points[point_count++].y = displays[placing_idx].desired_rect.top;
|
|
}
|
|
/* Intersected points when moving the display to be placed vertically */
|
|
if (displays[placing_idx].desired_rect.left <= displays[display_idx].new_rect.right &&
|
|
displays[placing_idx].desired_rect.right >= displays[display_idx].new_rect.left)
|
|
{
|
|
points[point_count].x = displays[placing_idx].desired_rect.left;
|
|
points[point_count++].y = displays[display_idx].new_rect.top;
|
|
points[point_count].x = displays[placing_idx].desired_rect.left;
|
|
points[point_count++].y = displays[display_idx].new_rect.bottom;
|
|
}
|
|
|
|
/* Try moving each vertex of the display rectangle to each points */
|
|
for (point_idx = 0; point_idx < point_count; ++point_idx)
|
|
{
|
|
for (vertex_idx = 0; vertex_idx < 4; ++vertex_idx)
|
|
{
|
|
switch (vertex_idx)
|
|
{
|
|
/* Move the bottom right vertex to the point */
|
|
case 0:
|
|
left_top.x = points[point_idx].x - width;
|
|
left_top.y = points[point_idx].y - height;
|
|
break;
|
|
/* Move the bottom left vertex to the point */
|
|
case 1:
|
|
left_top.x = points[point_idx].x;
|
|
left_top.y = points[point_idx].y - height;
|
|
break;
|
|
/* Move the top right vertex to the point */
|
|
case 2:
|
|
left_top.x = points[point_idx].x - width;
|
|
left_top.y = points[point_idx].y;
|
|
break;
|
|
/* Move the top left vertex to the point */
|
|
case 3:
|
|
left_top.x = points[point_idx].x;
|
|
left_top.y = points[point_idx].y;
|
|
break;
|
|
}
|
|
|
|
offset.x = left_top.x - displays[placing_idx].desired_rect.left;
|
|
offset.y = left_top.y - displays[placing_idx].desired_rect.top;
|
|
rect = displays[placing_idx].desired_rect;
|
|
OffsetRect(&rect, offset.x, offset.y);
|
|
if (!overlap_placed_displays(&rect, displays, display_count))
|
|
{
|
|
if (first)
|
|
{
|
|
min_offset = offset;
|
|
first = FALSE;
|
|
continue;
|
|
}
|
|
|
|
if (offset_length(offset) < offset_length(min_offset))
|
|
min_offset = offset;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
return min_offset;
|
|
}
|
|
|
|
static void place_all_displays(struct x11drv_display_setting *displays, INT display_count)
|
|
{
|
|
INT left_most = INT_MAX, top_most = INT_MAX;
|
|
INT placing_idx, display_idx;
|
|
POINT min_offset, offset;
|
|
|
|
/* Place all displays with no extra space between them and no overlapping */
|
|
while (1)
|
|
{
|
|
/* Place the unplaced display with the minimum offset length first */
|
|
placing_idx = -1;
|
|
for (display_idx = 0; display_idx < display_count; ++display_idx)
|
|
{
|
|
if (displays[display_idx].placed)
|
|
continue;
|
|
|
|
offset = get_placement_offset(displays, display_count, display_idx);
|
|
if (placing_idx == -1 || offset_length(offset) < offset_length(min_offset))
|
|
{
|
|
min_offset = offset;
|
|
placing_idx = display_idx;
|
|
}
|
|
}
|
|
|
|
/* If all displays are placed */
|
|
if (placing_idx == -1)
|
|
break;
|
|
|
|
displays[placing_idx].new_rect = displays[placing_idx].desired_rect;
|
|
OffsetRect(&displays[placing_idx].new_rect, min_offset.x, min_offset.y);
|
|
displays[placing_idx].placed = TRUE;
|
|
}
|
|
|
|
for (display_idx = 0; display_idx < display_count; ++display_idx)
|
|
{
|
|
displays[display_idx].desired_mode.u1.s2.dmPosition.x = displays[display_idx].new_rect.left;
|
|
displays[display_idx].desired_mode.u1.s2.dmPosition.y = displays[display_idx].new_rect.top;
|
|
left_most = min(left_most, displays[display_idx].new_rect.left);
|
|
top_most = min(top_most, displays[display_idx].new_rect.top);
|
|
}
|
|
|
|
/* Convert virtual screen coordinates to root coordinates */
|
|
for (display_idx = 0; display_idx < display_count; ++display_idx)
|
|
{
|
|
displays[display_idx].desired_mode.u1.s2.dmPosition.x -= left_most;
|
|
displays[display_idx].desired_mode.u1.s2.dmPosition.y -= top_most;
|
|
}
|
|
}
|
|
|
|
static LONG apply_display_settings(struct x11drv_display_setting *displays, INT display_count, BOOL do_attach)
|
|
{
|
|
DEVMODEW *full_mode;
|
|
BOOL attached_mode;
|
|
INT display_idx;
|
|
LONG ret;
|
|
|
|
for (display_idx = 0; display_idx < display_count; ++display_idx)
|
|
{
|
|
attached_mode = !is_detached_mode(&displays[display_idx].desired_mode);
|
|
if ((attached_mode && !do_attach) || (!attached_mode && do_attach))
|
|
continue;
|
|
|
|
full_mode = get_full_mode(displays[display_idx].id, &displays[display_idx].desired_mode);
|
|
if (!full_mode)
|
|
return DISP_CHANGE_BADMODE;
|
|
|
|
TRACE("handler:%s changing %s to position:(%d,%d) resolution:%ux%u frequency:%uHz "
|
|
"depth:%ubits orientation:%#x.\n", handler.name,
|
|
wine_dbgstr_w(displays[display_idx].desired_mode.dmDeviceName),
|
|
full_mode->u1.s2.dmPosition.x, full_mode->u1.s2.dmPosition.y, full_mode->dmPelsWidth,
|
|
full_mode->dmPelsHeight, full_mode->dmDisplayFrequency, full_mode->dmBitsPerPel,
|
|
full_mode->u1.s2.dmDisplayOrientation);
|
|
|
|
ret = handler.set_current_mode(displays[display_idx].id, full_mode);
|
|
if (attached_mode && ret == DISP_CHANGE_SUCCESSFUL)
|
|
set_display_depth(displays[display_idx].id, full_mode->dmBitsPerPel);
|
|
free_full_mode(full_mode);
|
|
if (ret != DISP_CHANGE_SUCCESSFUL)
|
|
return ret;
|
|
}
|
|
|
|
return DISP_CHANGE_SUCCESSFUL;
|
|
}
|
|
|
|
static BOOL all_detached_settings(const struct x11drv_display_setting *displays, INT display_count)
|
|
{
|
|
INT display_idx;
|
|
|
|
for (display_idx = 0; display_idx < display_count; ++display_idx)
|
|
{
|
|
if (!is_detached_mode(&displays[display_idx].desired_mode))
|
|
return FALSE;
|
|
}
|
|
|
|
return TRUE;
|
|
}
|
|
|
|
/***********************************************************************
|
|
* ChangeDisplaySettingsEx (X11DRV.@)
|
|
*
|
|
*/
|
|
LONG CDECL X11DRV_ChangeDisplaySettingsEx( LPCWSTR devname, LPDEVMODEW devmode,
|
|
HWND hwnd, DWORD flags, LPVOID lpvoid )
|
|
{
|
|
struct x11drv_display_setting *displays;
|
|
INT display_idx, display_count;
|
|
DEVMODEW *full_mode;
|
|
LONG ret;
|
|
|
|
ret = get_display_settings(&displays, &display_count, devname, devmode);
|
|
if (ret != DISP_CHANGE_SUCCESSFUL)
|
|
return ret;
|
|
|
|
if (flags & CDS_UPDATEREGISTRY && devname && devmode)
|
|
{
|
|
for (display_idx = 0; display_idx < display_count; ++display_idx)
|
|
{
|
|
if (!lstrcmpiW(displays[display_idx].desired_mode.dmDeviceName, devname))
|
|
{
|
|
full_mode = get_full_mode(displays[display_idx].id, &displays[display_idx].desired_mode);
|
|
if (!full_mode)
|
|
{
|
|
heap_free(displays);
|
|
return DISP_CHANGE_BADMODE;
|
|
}
|
|
|
|
if (!write_registry_settings(devname, full_mode))
|
|
{
|
|
ERR("Failed to write %s display settings to registry.\n", wine_dbgstr_w(devname));
|
|
free_full_mode(full_mode);
|
|
heap_free(displays);
|
|
return DISP_CHANGE_NOTUPDATED;
|
|
}
|
|
|
|
free_full_mode(full_mode);
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
|
|
if (flags & (CDS_TEST | CDS_NORESET))
|
|
{
|
|
heap_free(displays);
|
|
return DISP_CHANGE_SUCCESSFUL;
|
|
}
|
|
|
|
if (all_detached_settings(displays, display_count))
|
|
{
|
|
WARN("Detaching all displays is not permitted.\n");
|
|
heap_free(displays);
|
|
return DISP_CHANGE_SUCCESSFUL;
|
|
}
|
|
|
|
place_all_displays(displays, display_count);
|
|
|
|
/* Detach displays first to free up CRTCs */
|
|
ret = apply_display_settings(displays, display_count, FALSE);
|
|
if (ret == DISP_CHANGE_SUCCESSFUL)
|
|
ret = apply_display_settings(displays, display_count, TRUE);
|
|
if (ret == DISP_CHANGE_SUCCESSFUL)
|
|
X11DRV_DisplayDevices_Update(TRUE);
|
|
heap_free(displays);
|
|
return ret;
|
|
}
|