113 lines
2.9 KiB
C
113 lines
2.9 KiB
C
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/* GDK - The GIMP Drawing Kit
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* Copyright (C) 2002 Hans Breuer
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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 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, see <http://www.gnu.org/licenses/>.
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*/
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#include "config.h"
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#include "gdk.h"
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#include "gdkprivate-win32.h"
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#include "gdkwin32screen.h"
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#include "gdkdisplayprivate.h"
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#include "gdkdisplay-win32.h"
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#include "gdkmonitor-win32.h"
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#include <dwmapi.h>
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struct _GdkWin32Screen
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{
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GObject parent_instance;
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int width, height;
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int surface_scale;
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};
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struct _GdkWin32ScreenClass
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{
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GObjectClass parent_class;
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};
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G_DEFINE_TYPE (GdkWin32Screen, gdk_win32_screen, G_TYPE_OBJECT)
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static void
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init_root_window_size (GdkWin32Screen *screen)
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{
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GdkRectangle result = { 0, };
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int i;
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GdkDisplay *display = _gdk_display;
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GListModel *monitors;
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GdkMonitor *monitor;
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monitors = gdk_display_get_monitors (display);
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for (i = 1; i < g_list_model_get_n_items (monitors); i++)
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{
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GdkRectangle rect;
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monitor = g_list_model_get_item (monitors, i);
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gdk_monitor_get_geometry (monitor, &rect);
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gdk_rectangle_union (&result, &rect, &result);
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g_object_unref (monitor);
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}
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screen->width = result.width;
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screen->height = result.height;
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}
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static void
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init_root_window (GdkWin32Screen *screen_win32)
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{
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GdkWin32Display *win32_display;
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init_root_window_size (screen_win32);
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win32_display = GDK_WIN32_DISPLAY (_gdk_display);
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if (win32_display->dpi_aware_type != PROCESS_DPI_UNAWARE)
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screen_win32->surface_scale = gdk_win32_display_get_monitor_scale_factor (win32_display,
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NULL,
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NULL);
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else
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screen_win32->surface_scale = 1;
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}
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static void
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gdk_win32_screen_init (GdkWin32Screen *win32_screen)
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{
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_gdk_win32_display_init_monitors (GDK_WIN32_DISPLAY (_gdk_display));
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init_root_window (win32_screen);
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}
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void
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_gdk_win32_screen_on_displaychange_event (GdkWin32Screen *screen)
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{
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_gdk_win32_display_init_monitors (GDK_WIN32_DISPLAY (_gdk_display));
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init_root_window_size (screen);
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}
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static void
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gdk_win32_screen_finalize (GObject *object)
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{
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G_OBJECT_CLASS (gdk_win32_screen_parent_class)->finalize (object);
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}
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static void
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gdk_win32_screen_class_init (GdkWin32ScreenClass *klass)
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{
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GObjectClass *object_class = G_OBJECT_CLASS (klass);
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object_class->finalize = gdk_win32_screen_finalize;
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}
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