gtk2/gdk/win32/gdkscreen-win32.c
Matthias Clasen e2682e62a8 win32: Remove all uses of get_root_window
This is following similar changes done in the x11 and
broadway backends, but it has not been built.
Some fixups may be needed.
2017-11-14 18:16:19 -05:00

125 lines
3.2 KiB
C

/* 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"
#define _WIN32_WINNT 0x0600
#include "gdk.h"
#include "gdkprivate-win32.h"
#include "gdkscreenprivate.h"
#include "gdkwin32screen.h"
#include "gdkdisplayprivate.h"
#include "gdkdisplay-win32.h"
#include "gdkmonitor-win32.h"
#include <dwmapi.h>
struct _GdkWin32Screen
{
GdkScreen parent_instance;
int width, height;
int window_scale;
};
struct _GdkWin32ScreenClass
{
GdkScreenClass parent_class;
};
G_DEFINE_TYPE (GdkWin32Screen, gdk_win32_screen, GDK_TYPE_SCREEN)
static void
init_root_window_size (GdkWin32Screen *screen)
{
GdkRectangle result;
int i;
GdkDisplay *display = _gdk_display;
int monitor_count;
GdkMonitor *monitor;
GdkWindowImplWin32 *root_impl;
monitor_count = gdk_display_get_n_monitors (display);
monitor = gdk_display_get_monitor (display, 0);
gdk_monitor_get_geometry (monitor, &result);
for (i = 1; i < monitor_count; i++)
{
GdkRectangle rect;
monitor = gdk_display_get_monitor (display, i);
gdk_monitor_get_geometry (monitor, &rect);
gdk_rectangle_union (&result, &rect, &result);
}
screen->width = result.width;
screen->height = result.height;
}
static void
init_root_window (GdkWin32Screen *screen_win32)
{
GdkScreen *screen;
GdkWin32Display *win32_display;
screen = GDK_SCREEN (screen_win32);
init_root_window_size (screen_win32);
win32_display = GDK_WIN32_DISPLAY (_gdk_display);
if (win32_display->dpi_aware_type != PROCESS_DPI_UNAWARE)
screen_win32->window_scale = _gdk_win32_display_get_monitor_scale_factor (win32_display,
NULL,
NULL,
NULL);
else
screen_win32->window_scale = 1;
}
static void
gdk_win32_screen_init (GdkWin32Screen *win32_screen)
{
GdkScreen *screen = GDK_SCREEN (win32_screen);
_gdk_win32_display_init_monitors (GDK_WIN32_DISPLAY (_gdk_display));
init_root_window (win32_screen);
}
void
_gdk_win32_screen_on_displaychange_event (GdkWin32Screen *screen)
{
_gdk_win32_display_init_monitors (GDK_WIN32_DISPLAY (_gdk_display));
init_root_window_size (screen);
}
static void
gdk_win32_screen_finalize (GObject *object)
{
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);
object_class->finalize = gdk_win32_screen_finalize;
}