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gtk2/gdk/win32/gdkscreen-win32.c

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/* GDK - The GIMP Drawing Kit
* Copyright (C) 2002 Hans Breuer
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library. If not, see <http://www.gnu.org/licenses/>.
*/
#include "config.h"
#include "gdk.h"
#include "gdkprivate-win32.h"
#include "gdkscreenprivate.h"
#include "gdkwin32screen.h"
#include "gdkdisplayprivate.h"
#include "gdkvisualprivate.h"
#include <dwmapi.h>
typedef struct
{
gchar *name;
gint width_mm, height_mm;
GdkRectangle rect;
GdkRectangle work_rect;
} GdkWin32Monitor;
struct _GdkWin32Screen
{
GdkScreen parent_instance;
gint num_monitors;
GdkWin32Monitor *monitors;
GdkVisual *system_visual;
GdkVisual *rgba_visual;
gint available_visual_depths[1];
GdkVisualType available_visual_types[1];
GdkWindow *root_window;
gint always_composited : 1;
};
struct _GdkWin32ScreenClass
{
GdkScreenClass parent_class;
};
G_DEFINE_TYPE (GdkWin32Screen, gdk_win32_screen, GDK_TYPE_SCREEN)
static gint
get_color_precision (gulong mask)
{
gint p = 0;
while (mask & 0x1)
{
p++;
mask >>= 1;
}
return p;
}
static GdkVisual *
init_visual (GdkScreen *screen,
gboolean is_rgba)
{
GdkVisual *visual;
struct
{
BITMAPINFOHEADER bi;
union
{
RGBQUAD colors[256];
DWORD fields[256];
} u;
} bmi;
HBITMAP hbm;
const gint rastercaps = GetDeviceCaps (_gdk_display_hdc, RASTERCAPS);
const int numcolors = GetDeviceCaps (_gdk_display_hdc, NUMCOLORS);
gint bitspixel = GetDeviceCaps (_gdk_display_hdc, BITSPIXEL);
gint map_entries = 0;
visual = g_object_new (GDK_TYPE_VISUAL, NULL);
visual->screen = screen;
if (rastercaps & RC_PALETTE)
{
const int sizepalette = GetDeviceCaps (_gdk_display_hdc, SIZEPALETTE);
gchar *max_colors = getenv ("GDK_WIN32_MAX_COLORS");
visual->type = GDK_VISUAL_PSEUDO_COLOR;
g_assert (sizepalette == 256);
if (max_colors != NULL)
_gdk_max_colors = atoi (max_colors);
map_entries = _gdk_max_colors;
if (map_entries >= 16 && map_entries < sizepalette)
{
if (map_entries < 32)
{
map_entries = 16;
visual->type = GDK_VISUAL_STATIC_COLOR;
bitspixel = 4;
}
else if (map_entries < 64)
{
map_entries = 32;
bitspixel = 5;
}
else if (map_entries < 128)
{
map_entries = 64;
bitspixel = 6;
}
else if (map_entries < 256)
{
map_entries = 128;
bitspixel = 7;
}
else
g_assert_not_reached ();
}
else
map_entries = sizepalette;
}
else if (bitspixel == 1 && numcolors == 16)
{
bitspixel = 4;
visual->type = GDK_VISUAL_STATIC_COLOR;
map_entries = 16;
}
else if (bitspixel == 1)
{
visual->type = GDK_VISUAL_STATIC_GRAY;
map_entries = 2;
}
else if (bitspixel == 4)
{
visual->type = GDK_VISUAL_STATIC_COLOR;
map_entries = 16;
}
else if (bitspixel == 8)
{
visual->type = GDK_VISUAL_STATIC_COLOR;
map_entries = 256;
}
else if (bitspixel == 16)
{
visual->type = GDK_VISUAL_TRUE_COLOR;
#if 1
/* This code by Mike Enright,
* see http://www.users.cts.com/sd/m/menright/display.html
*/
memset (&bmi, 0, sizeof (bmi));
bmi.bi.biSize = sizeof (bmi.bi);
hbm = CreateCompatibleBitmap (_gdk_display_hdc, 1, 1);
GetDIBits (_gdk_display_hdc, hbm, 0, 1, NULL,
(BITMAPINFO *) &bmi, DIB_RGB_COLORS);
GetDIBits (_gdk_display_hdc, hbm, 0, 1, NULL,
(BITMAPINFO *) &bmi, DIB_RGB_COLORS);
DeleteObject (hbm);
if (bmi.bi.biCompression != BI_BITFIELDS)
{
/* Either BI_RGB or BI_RLE_something
* .... or perhaps (!!) something else.
* Theoretically biCompression might be
* mmioFourCC('c','v','i','d') but I doubt it.
*/
if (bmi.bi.biCompression == BI_RGB)
{
/* It's 555 */
bitspixel = 15;
visual->red_mask = 0x00007C00;
visual->green_mask = 0x000003E0;
visual->blue_mask = 0x0000001F;
}
else
{
g_assert_not_reached ();
}
}
else
{
DWORD allmasks =
bmi.u.fields[0] | bmi.u.fields[1] | bmi.u.fields[2];
int k = 0;
while (allmasks)
{
if (allmasks&1)
k++;
allmasks/=2;
}
bitspixel = k;
visual->red_mask = bmi.u.fields[0];
visual->green_mask = bmi.u.fields[1];
visual->blue_mask = bmi.u.fields[2];
}
#else
/* Old, incorrect (but still working) code. */
#if 0
visual->red_mask = 0x0000F800;
visual->green_mask = 0x000007E0;
visual->blue_mask = 0x0000001F;
#else
visual->red_mask = 0x00007C00;
visual->green_mask = 0x000003E0;
visual->blue_mask = 0x0000001F;
#endif
#endif
}
else if (bitspixel == 24 || bitspixel == 32)
{
if (!is_rgba)
bitspixel = 24;
visual->type = GDK_VISUAL_TRUE_COLOR;
visual->red_mask = 0x00FF0000;
visual->green_mask = 0x0000FF00;
visual->blue_mask = 0x000000FF;
}
else
g_error ("_gdk_visual_init: unsupported BITSPIXEL: %d\n", bitspixel);
visual->depth = bitspixel;
visual->byte_order = GDK_LSB_FIRST;
visual->bits_per_rgb = 42; /* Not used? */
if ((visual->type != GDK_VISUAL_TRUE_COLOR) &&
(visual->type != GDK_VISUAL_DIRECT_COLOR))
{
visual->red_mask = 0;
visual->green_mask = 0;
visual->blue_mask = 0;
}
else
map_entries = 1 << (MAX (get_color_precision (visual->red_mask),
MAX (get_color_precision (visual->green_mask),
get_color_precision (visual->blue_mask))));
visual->colormap_size = map_entries;
return visual;
}
static void
init_root_window_size (GdkWin32Screen *screen)
{
GdkRectangle rect;
int i;
rect = screen->monitors[0].rect;
for (i = 1; i < screen->num_monitors; i++)
gdk_rectangle_union (&rect, &screen->monitors[i].rect, &rect);
screen->root_window->width = rect.width;
screen->root_window->height = rect.height;
}
static void
init_root_window (GdkWin32Screen *screen_win32)
{
GdkScreen *screen;
GdkWindow *window;
GdkWindowImplWin32 *impl_win32;
screen = GDK_SCREEN (screen_win32);
g_assert (screen_win32->root_window == NULL);
window = _gdk_display_create_window (_gdk_display);
window->impl = g_object_new (GDK_TYPE_WINDOW_IMPL_WIN32, NULL);
impl_win32 = GDK_WINDOW_IMPL_WIN32 (window->impl);
impl_win32->wrapper = window;
window->impl_window = window;
window->visual = gdk_screen_get_system_visual (screen);
window->window_type = GDK_WINDOW_ROOT;
window->depth = window->visual->depth;
screen_win32->root_window = window;
init_root_window_size (screen_win32);
window->x = 0;
window->y = 0;
window->abs_x = 0;
window->abs_y = 0;
/* width and height already initialised in init_root_window_size() */
window->viewable = TRUE;
gdk_win32_handle_table_insert ((HANDLE *) &impl_win32->handle, window);
GDK_NOTE (MISC, g_print ("screen->root_window=%p\n", window));
}
static BOOL CALLBACK
count_monitor (HMONITOR hmonitor,
HDC hdc,
LPRECT rect,
LPARAM data)
{
gint *n = (gint *) data;
(*n)++;
return TRUE;
}
typedef struct {
GdkWin32Screen *screen;
gint index;
} EnumMonitorData;
static BOOL CALLBACK
enum_monitor (HMONITOR hmonitor,
HDC hdc,
LPRECT rect,
LPARAM param)
{
/* The struct MONITORINFOEX definition is for some reason different
* in the winuser.h bundled with mingw64 from that in MSDN and the
* official 32-bit mingw (the MONITORINFO part is in a separate "mi"
* member). So to keep this easily compileable with either, repeat
* the MSDN definition it here.
*/
typedef struct tagMONITORINFOEXA2 {
DWORD cbSize;
RECT rcMonitor;
RECT rcWork;
DWORD dwFlags;
CHAR szDevice[CCHDEVICENAME];
} MONITORINFOEXA2;
EnumMonitorData *data = (EnumMonitorData *) param;
GdkWin32Monitor *monitor;
MONITORINFOEXA2 monitor_info;
HDC hDC;
g_assert (data->index < data->screen->num_monitors);
monitor = data->screen->monitors + data->index;
monitor_info.cbSize = sizeof (MONITORINFOEXA2);
GetMonitorInfoA (hmonitor, (MONITORINFO *) &monitor_info);
#ifndef MONITORINFOF_PRIMARY
#define MONITORINFOF_PRIMARY 1
#endif
monitor->name = g_strdup (monitor_info.szDevice);
hDC = CreateDCA ("DISPLAY", monitor_info.szDevice, NULL, NULL);
monitor->width_mm = GetDeviceCaps (hDC, HORZSIZE);
monitor->height_mm = GetDeviceCaps (hDC, VERTSIZE);
DeleteDC (hDC);
monitor->rect.x = monitor_info.rcMonitor.left;
monitor->rect.y = monitor_info.rcMonitor.top;
monitor->rect.width = monitor_info.rcMonitor.right - monitor_info.rcMonitor.left;
monitor->rect.height = monitor_info.rcMonitor.bottom - monitor_info.rcMonitor.top;
monitor->work_rect.x = monitor_info.rcWork.left;
monitor->work_rect.y = monitor_info.rcWork.top;
monitor->work_rect.width = monitor_info.rcWork.right - monitor_info.rcWork.left;
monitor->work_rect.height = monitor_info.rcWork.bottom - monitor_info.rcWork.top;
if (monitor_info.dwFlags & MONITORINFOF_PRIMARY && data->index != 0)
{
/* Put primary monitor at index 0, just in case somebody needs
* to know which one is the primary.
*/
GdkWin32Monitor temp = *monitor;
*monitor = data->screen->monitors[0];
data->screen->monitors[0] = temp;
}
data->index++;
return TRUE;
}
static void
init_monitors (GdkWin32Screen *screen)
{
gint count;
EnumMonitorData data;
gint i;
count = 0;
EnumDisplayMonitors (NULL, NULL, count_monitor, (LPARAM) &count);
screen->num_monitors = count;
screen->monitors = g_renew (GdkWin32Monitor, screen->monitors, screen->num_monitors);
data.screen = screen;
data.index = 0;
EnumDisplayMonitors (NULL, NULL, enum_monitor, (LPARAM) &data);
_gdk_offset_x = G_MININT;
_gdk_offset_y = G_MININT;
/* Calculate offset */
for (i = 0; i < screen->num_monitors; i++)
{
GdkRectangle *rect = &screen->monitors[i].rect;
_gdk_offset_x = MAX (_gdk_offset_x, -rect->x);
_gdk_offset_y = MAX (_gdk_offset_y, -rect->y);
}
GDK_NOTE (MISC, g_print ("Multi-monitor offset: (%d,%d)\n",
_gdk_offset_x, _gdk_offset_y));
/* Translate monitor coords into GDK coordinate space */
for (i = 0; i < screen->num_monitors; i++)
{
GdkRectangle *rect;
rect = &screen->monitors[i].rect;
rect->x += _gdk_offset_x;
rect->y += _gdk_offset_y;
rect = &screen->monitors[i].work_rect;
rect->x += _gdk_offset_x;
rect->y += _gdk_offset_y;
GDK_NOTE (MISC, g_print ("Monitor %d: %dx%d@%+d%+d\n", i,
rect->width, rect->height, rect->x, rect->y));
}
}
static void
gdk_win32_screen_init (GdkWin32Screen *win32_screen)
{
GdkScreen *screen = GDK_SCREEN (win32_screen);
HDC screen_dc;
int logpixelsx = -1;
const gchar *font_resolution;
screen_dc = GetDC (NULL);
if (screen_dc)
{
logpixelsx = GetDeviceCaps(screen_dc, LOGPIXELSX);
ReleaseDC (NULL, screen_dc);
}
font_resolution = g_getenv ("GDK_WIN32_FONT_RESOLUTION");
if (font_resolution)
{
int env_logpixelsx = atol (font_resolution);
if (env_logpixelsx > 0)
logpixelsx = env_logpixelsx;
}
if (logpixelsx > 0)
_gdk_screen_set_resolution (screen, logpixelsx);
win32_screen->system_visual = init_visual (screen, FALSE);
win32_screen->rgba_visual = init_visual (screen, TRUE);
win32_screen->available_visual_depths[0] = win32_screen->rgba_visual->depth;
win32_screen->available_visual_types[0] = win32_screen->rgba_visual->type;
init_monitors (win32_screen);
init_root_window (win32_screen);
/* On Windows 8 and later, DWM (composition) is always enabled */
win32_screen->always_composited = g_win32_check_windows_version (6, 2, 0, G_WIN32_OS_ANY);
}
void
_gdk_win32_screen_on_displaychange_event (GdkWin32Screen *screen)
{
init_monitors (screen);
init_root_window_size (screen);
g_signal_emit_by_name (screen, "size-changed");
}
static GdkDisplay *
gdk_win32_screen_get_display (GdkScreen *screen)
{
return _gdk_display;
}
static gint
gdk_win32_screen_get_width (GdkScreen *screen)
{
return GDK_WIN32_SCREEN (screen)->root_window->width;
}
static gint
gdk_win32_screen_get_height (GdkScreen *screen)
{
return GDK_WIN32_SCREEN (screen)->root_window->height;
}
static gint
gdk_win32_screen_get_width_mm (GdkScreen *screen)
{
return (double) gdk_screen_get_width (screen) / GetDeviceCaps (_gdk_display_hdc, LOGPIXELSX) * 25.4;
}
static gint
gdk_win32_screen_get_height_mm (GdkScreen *screen)
{
return (double) gdk_screen_get_height (screen) / GetDeviceCaps (_gdk_display_hdc, LOGPIXELSY) * 25.4;
}
static GdkWindow *
gdk_win32_screen_get_root_window (GdkScreen *screen)
{
return GDK_WIN32_SCREEN (screen)->root_window;
}
static gint
gdk_win32_screen_get_n_monitors (GdkScreen *screen)
{
g_return_val_if_fail (screen == gdk_display_get_default_screen (gdk_display_get_default ()), 0);
return GDK_WIN32_SCREEN (screen)->num_monitors;
}
static gint
gdk_win32_screen_get_primary_monitor (GdkScreen *screen)
{
g_return_val_if_fail (screen == gdk_display_get_default_screen (gdk_display_get_default ()), 0);
return 0;
}
static gint
gdk_win32_screen_get_monitor_width_mm (GdkScreen *screen,
gint num_monitor)
{
GdkWin32Screen *win32_screen = GDK_WIN32_SCREEN (screen);
g_return_val_if_fail (screen == gdk_display_get_default_screen (gdk_display_get_default ()), 0);
g_return_val_if_fail (num_monitor < win32_screen->num_monitors, 0);
return win32_screen->monitors[num_monitor].width_mm;
}
static gint
gdk_win32_screen_get_monitor_height_mm (GdkScreen *screen,
gint num_monitor)
{
GdkWin32Screen *win32_screen = GDK_WIN32_SCREEN (screen);
g_return_val_if_fail (screen == gdk_display_get_default_screen (gdk_display_get_default ()), 0);
g_return_val_if_fail (num_monitor < win32_screen->num_monitors, 0);
return win32_screen->monitors[num_monitor].height_mm;
}
static gchar *
gdk_win32_screen_get_monitor_plug_name (GdkScreen *screen,
gint num_monitor)
{
GdkWin32Screen *win32_screen = GDK_WIN32_SCREEN (screen);
g_return_val_if_fail (screen == gdk_display_get_default_screen (gdk_display_get_default ()), NULL);
g_return_val_if_fail (num_monitor < win32_screen->num_monitors, NULL);
return g_strdup (win32_screen->monitors[num_monitor].name);
}
static void
gdk_win32_screen_get_monitor_geometry (GdkScreen *screen,
gint num_monitor,
GdkRectangle *dest)
{
GdkWin32Screen *win32_screen = GDK_WIN32_SCREEN (screen);
g_return_if_fail (screen == gdk_display_get_default_screen (gdk_display_get_default ()));
g_return_if_fail (num_monitor < win32_screen->num_monitors);
*dest = win32_screen->monitors[num_monitor].rect;
}
static void
gdk_win32_screen_get_monitor_workarea (GdkScreen *screen,
gint num_monitor,
GdkRectangle *dest)
{
GdkWin32Screen *win32_screen = GDK_WIN32_SCREEN (screen);
g_return_if_fail (screen == gdk_display_get_default_screen (gdk_display_get_default ()));
g_return_if_fail (num_monitor < win32_screen->num_monitors);
*dest = win32_screen->monitors[num_monitor].work_rect;
}
static gint
gdk_win32_screen_get_number (GdkScreen *screen)
{
g_return_val_if_fail (screen == gdk_display_get_default_screen (gdk_display_get_default ()), 0);
return 0;
}
static gchar *
gdk_win32_screen_make_display_name (GdkScreen *screen)
{
return g_strdup (gdk_display_get_name (_gdk_display));
}
static GdkWindow *
gdk_win32_screen_get_active_window (GdkScreen *screen)
{
g_return_val_if_fail (GDK_IS_SCREEN (screen), NULL);
return NULL;
}
static GList *
gdk_win32_screen_get_window_stack (GdkScreen *screen)
{
g_return_val_if_fail (GDK_IS_SCREEN (screen), NULL);
return NULL;
}
static gboolean
gdk_win32_screen_is_composited (GdkScreen *screen)
{
if (GDK_WIN32_SCREEN (screen)->always_composited)
return TRUE;
else
{
gboolean is_composited;
if (DwmIsCompositionEnabled (&is_composited) != S_OK)
return FALSE;
return is_composited;
}
}
static gint
gdk_win32_screen_visual_get_best_depth (GdkScreen *screen)
{
return GDK_WIN32_SCREEN (screen)->available_visual_depths[0];
}
static GdkVisualType
gdk_win32_screen_visual_get_best_type (GdkScreen *screen)
{
return GDK_WIN32_SCREEN (screen)->available_visual_types[0];
}
static GdkVisual *
gdk_win32_screen_get_system_visual (GdkScreen *screen)
{
return GDK_WIN32_SCREEN (screen)->system_visual;
}
static GdkVisual *
gdk_win32_screen_get_rgba_visual (GdkScreen *screen)
{
return GDK_WIN32_SCREEN (screen)->rgba_visual;
}
static GdkVisual*
gdk_win32_screen_visual_get_best (GdkScreen *screen)
{
return GDK_WIN32_SCREEN (screen)->rgba_visual;
}
static GdkVisual *
gdk_win32_screen_visual_get_best_with_depth (GdkScreen *screen,
gint depth)
{
GdkWin32Screen *win32_screen = GDK_WIN32_SCREEN (screen);
if (depth == win32_screen->rgba_visual->depth)
return win32_screen->rgba_visual;
else if (depth == win32_screen->system_visual->depth)
return win32_screen->system_visual;
return NULL;
}
static GdkVisual *
gdk_win32_screen_visual_get_best_with_type (GdkScreen *screen,
GdkVisualType visual_type)
{
GdkWin32Screen *win32_screen = GDK_WIN32_SCREEN (screen);
if (visual_type == win32_screen->rgba_visual->type)
return win32_screen->rgba_visual;
else if (visual_type == win32_screen->system_visual->type)
return win32_screen->system_visual;
return NULL;
}
static GdkVisual *
gdk_win32_screen_visual_get_best_with_both (GdkScreen *screen,
gint depth,
GdkVisualType visual_type)
{
GdkWin32Screen *win32_screen = GDK_WIN32_SCREEN (screen);
if ((depth == win32_screen->rgba_visual->depth) && (visual_type == win32_screen->rgba_visual->type))
return win32_screen->rgba_visual;
else if ((depth == win32_screen->system_visual->depth) && (visual_type == win32_screen->system_visual->type))
return win32_screen->system_visual;
return NULL;
}
static void
gdk_win32_screen_query_depths (GdkScreen *screen,
gint **depths,
gint *count)
{
*count = 1;
*depths = GDK_WIN32_SCREEN (screen)->available_visual_depths;
}
static void
gdk_win32_screen_query_visual_types (GdkScreen *screen,
GdkVisualType **visual_types,
gint *count)
{
*count = 1;
*visual_types = GDK_WIN32_SCREEN (screen)->available_visual_types;
}
static GList *
gdk_win32_screen_list_visuals (GdkScreen *screen)
{
GdkWin32Screen *win32_screen = GDK_WIN32_SCREEN (screen);
GList *result = NULL;
result = g_list_append (result, win32_screen->rgba_visual);
result = g_list_append (result, win32_screen->system_visual);
return result;
}
static void
gdk_win32_screen_finalize (GObject *object)
{
GdkWin32Screen *screen = GDK_WIN32_SCREEN (object);
gint i;
for (i = 0; i < screen->num_monitors; i++)
g_free (screen->monitors[i].name);
g_free (screen->monitors);
G_OBJECT_CLASS (gdk_win32_screen_parent_class)->finalize (object);
}
static void
gdk_win32_screen_class_init (GdkWin32ScreenClass *klass)
{
GObjectClass *object_class = G_OBJECT_CLASS (klass);
GdkScreenClass *screen_class = GDK_SCREEN_CLASS (klass);
object_class->finalize = gdk_win32_screen_finalize;
screen_class->get_display = gdk_win32_screen_get_display;
screen_class->get_width = gdk_win32_screen_get_width;
screen_class->get_height = gdk_win32_screen_get_height;
screen_class->get_width_mm = gdk_win32_screen_get_width_mm;
screen_class->get_height_mm = gdk_win32_screen_get_height_mm;
screen_class->get_number = gdk_win32_screen_get_number;
screen_class->get_root_window = gdk_win32_screen_get_root_window;
screen_class->get_n_monitors = gdk_win32_screen_get_n_monitors;
screen_class->get_primary_monitor = gdk_win32_screen_get_primary_monitor;
screen_class->get_monitor_width_mm = gdk_win32_screen_get_monitor_width_mm;
screen_class->get_monitor_height_mm = gdk_win32_screen_get_monitor_height_mm;
screen_class->get_monitor_plug_name = gdk_win32_screen_get_monitor_plug_name;
screen_class->get_monitor_geometry = gdk_win32_screen_get_monitor_geometry;
screen_class->get_monitor_workarea = gdk_win32_screen_get_monitor_workarea;
screen_class->is_composited = gdk_win32_screen_is_composited;
screen_class->make_display_name = gdk_win32_screen_make_display_name;
screen_class->get_active_window = gdk_win32_screen_get_active_window;
screen_class->get_window_stack = gdk_win32_screen_get_window_stack;
screen_class->get_setting = _gdk_win32_screen_get_setting;
screen_class->get_system_visual = gdk_win32_screen_get_system_visual;
screen_class->get_rgba_visual = gdk_win32_screen_get_rgba_visual;
screen_class->visual_get_best_depth = gdk_win32_screen_visual_get_best_depth;
screen_class->visual_get_best_type = gdk_win32_screen_visual_get_best_type;
screen_class->visual_get_best = gdk_win32_screen_visual_get_best;
screen_class->visual_get_best_with_depth = gdk_win32_screen_visual_get_best_with_depth;
screen_class->visual_get_best_with_type = gdk_win32_screen_visual_get_best_with_type;
screen_class->visual_get_best_with_both = gdk_win32_screen_visual_get_best_with_both;
screen_class->query_depths = gdk_win32_screen_query_depths;
screen_class->query_visual_types = gdk_win32_screen_query_visual_types;
screen_class->list_visuals = gdk_win32_screen_list_visuals;
}
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