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gtk/gdk/win32/gdkproperty-win32.c

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/* GDK - The GIMP Drawing Kit
* Copyright (C) 1995-1997 Peter Mattis, Spencer Kimball and Josh MacDonald
* Copyright (C) 1998-2002 Tor Lillqvist
*
* 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/>.
*/
/*
* Modified by the GTK+ Team and others 1997-2000. See the AUTHORS
* file for a list of people on the GTK+ Team. See the ChangeLog
* files for a list of changes. These files are distributed with
* GTK+ at ftp://ftp.gtk.org/pub/gtk/.
*/
#include "config.h"
#include <string.h>
#include <stdlib.h>
#include <glib/gprintf.h>
#include <pango/pangowin32.h>
#include "gdkdisplayprivate.h"
#include "gdkprivate-win32.h"
#include "gdkdisplay-win32.h"
#include "gdkwin32.h"
static char *
_get_system_font_name (HDC hdc)
{
NONCLIENTMETRICSW ncm;
PangoFontDescription *font_desc;
char *result, *font_desc_string;
int logpixelsy;
int font_size;
ncm.cbSize = sizeof(NONCLIENTMETRICSW);
if (!SystemParametersInfoW (SPI_GETNONCLIENTMETRICS, ncm.cbSize, &ncm, 0))
return NULL;
logpixelsy = GetDeviceCaps (hdc, LOGPIXELSY);
font_desc = pango_win32_font_description_from_logfontw (&ncm.lfMessageFont);
font_desc_string = pango_font_description_to_string (font_desc);
pango_font_description_free (font_desc);
/* https://docs.microsoft.com/en-us/windows/desktop/api/wingdi/ns-wingdi-taglogfonta */
font_size = -MulDiv (ncm.lfMessageFont.lfHeight, 72, logpixelsy);
result = g_strdup_printf ("%s %d", font_desc_string, font_size);
g_free (font_desc_string);
return result;
}
gboolean
_gdk_win32_get_setting (const char *name,
GValue *value)
{
if (strcmp ("gtk-alternative-button-order", name) == 0)
{
GDK_NOTE(MISC, g_print("gdk_display_get_setting(\"%s\") : TRUE\n", name));
g_value_set_boolean (value, TRUE);
return TRUE;
}
else if (strcmp ("gtk-alternative-sort-arrows", name) == 0)
{
GDK_NOTE(MISC, g_print("gdk_display_get_setting(\"%s\") : TRUE\n", name));
g_value_set_boolean (value, TRUE);
return TRUE;
}
else if (strcmp ("gtk-cursor-blink", name) == 0)
{
gboolean blinks = (GetCaretBlinkTime () != INFINITE);
GDK_NOTE(MISC, g_print("gdk_display_get_setting(\"%s\") : %s\n", name, blinks ? "TRUE" : "FALSE"));
g_value_set_boolean (value, blinks);
return TRUE;
}
else if (strcmp ("gtk-cursor-theme-size", name) == 0)
{
int cursor_size = GetSystemMetrics (SM_CXCURSOR);
GDK_NOTE(MISC, g_print("gdk_display_get_setting(\"%s\") : %d\n", name, cursor_size));
g_value_set_int (value, cursor_size);
return TRUE;
}
else if (strcmp ("gtk-dnd-drag-threshold", name) == 0)
{
int i = MAX(GetSystemMetrics (SM_CXDRAG), GetSystemMetrics (SM_CYDRAG));
GDK_NOTE(MISC, g_print("gdk_display_get_setting(\"%s\") : %d\n", name, i));
g_value_set_int (value, i);
return TRUE;
}
else if (strcmp ("gtk-double-click-distance", name) == 0)
{
int i = MAX(GetSystemMetrics (SM_CXDOUBLECLK), GetSystemMetrics (SM_CYDOUBLECLK));
GDK_NOTE(MISC, g_print("gdk_display_get_setting(\"%s\") : %d\n", name, i));
g_value_set_int (value, i);
return TRUE;
}
else if (strcmp ("gtk-double-click-time", name) == 0)
{
int i = GetDoubleClickTime ();
GDK_NOTE(MISC, g_print("gdk_display_get_setting(\"%s\") : %d\n", name, i));
g_value_set_int (value, i);
return TRUE;
}
else if (strcmp ("gtk-font-name", name) == 0)
{
char *font_name = NULL;
HDC hdc = NULL;
if ((hdc = GetDC (HWND_DESKTOP)) != NULL)
{
font_name = _get_system_font_name (hdc);
ReleaseDC (HWND_DESKTOP, hdc);
hdc = NULL;
}
if (font_name)
{
GDK_NOTE(MISC, g_print("gdk_screen_get_setting(\"%s\") : %s\n", name, font_name));
g_value_take_string (value, font_name);
return TRUE;
}
else
{
g_warning ("gdk_win32_get_setting: Detecting the system font failed");
return FALSE;
}
}
else if (strcmp ("gtk-hint-font-metrics", name) == 0)
{
gboolean hint_font_metrics = TRUE;
GDK_NOTE(MISC, g_print("gdk_screen_get_setting(\"%s\") : %s\n", name,
hint_font_metrics ? "TRUE" : "FALSE"));
g_value_set_boolean (value, hint_font_metrics);
return TRUE;
}
else if (strcmp ("gtk-im-module", name) == 0)
{
const char *im_module = _gdk_input_locale_is_ime ? "ime" : "";
GDK_NOTE(MISC, g_print("gdk_screen_get_setting(\"%s\") : %s\n", name, im_module));
g_value_set_static_string (value, im_module);
return TRUE;
}
else if (strcmp ("gtk-overlay-scrolling", name) == 0)
{
DWORD val = 0;
DWORD sz = sizeof (val);
LSTATUS ret = 0;
ret = RegGetValueW (HKEY_CURRENT_USER, L"Control Panel\\Accessibility", L"DynamicScrollbars", RRF_RT_DWORD, NULL, &val, &sz);
if (ret == ERROR_SUCCESS)
{
gboolean overlay_scrolling = val != 0;
GDK_NOTE(MISC, g_print("gdk_screen_get_setting(\"%s\") : %s\n", name,
overlay_scrolling ? "TRUE" : "FALSE"));
g_value_set_boolean (value, overlay_scrolling);
return TRUE;
}
}
else if (strcmp ("gtk-shell-shows-desktop", name) == 0)
{
GDK_NOTE(MISC, g_print("gdk_display_get_setting(\"%s\") : TRUE\n", name));
g_value_set_boolean (value, TRUE);
return TRUE;
}
else if (strcmp ("gtk-split-cursor", name) == 0)
{
GDK_NOTE(MISC, g_print("gdk_display_get_setting(\"%s\") : FALSE\n", name));
g_value_set_boolean (value, FALSE);
return TRUE;
}
else if (strcmp ("gtk-theme-name", name) == 0)
{
HIGHCONTRASTW hc;
memset (&hc, 0, sizeof (hc));
hc.cbSize = sizeof (hc);
if (API_CALL (SystemParametersInfoW, (SPI_GETHIGHCONTRAST, sizeof (hc), &hc, 0)))
{
if (hc.dwFlags & HCF_HIGHCONTRASTON)
{
const char *theme_name = "Default-hc";
GDK_NOTE(MISC, g_print("gdk_display_get_setting(\"%s\") : %s\n", name, theme_name));
g_value_set_string (value, theme_name);
return TRUE;
}
}
}
else if (strcmp ("gtk-xft-antialias", name) == 0)
{
GDK_NOTE(MISC, g_print ("gdk_screen_get_setting(\"%s\") : 1\n", name));
g_value_set_int (value, 1);
return TRUE;
}
else if (strcmp ("gtk-xft-dpi", name) == 0)
{
GdkWin32Display *display = GDK_WIN32_DISPLAY (_gdk_display);
if (display->dpi_aware_type == PROCESS_SYSTEM_DPI_AWARE &&
!display->has_fixed_scale)
{
HDC hdc = GetDC (NULL);
if (hdc != NULL)
{
int dpi = GetDeviceCaps (GetDC (NULL), LOGPIXELSX);
ReleaseDC (NULL, hdc);
if (dpi >= 96)
{
int xft_dpi = 1024 * dpi / display->surface_scale;
GDK_NOTE(MISC, g_print ("gdk_screen_get_setting(\"%s\") : %d\n", name, xft_dpi));
g_value_set_int (value, xft_dpi);
return TRUE;
}
}
}
}
else if (strcmp ("gtk-xft-hinting", name) == 0)
{
GDK_NOTE(MISC, g_print ("gdk_screen_get_setting(\"%s\") : 1\n", name));
g_value_set_int (value, 1);
return TRUE;
}
else if (strcmp ("gtk-xft-hintstyle", name) == 0)
{
g_value_set_static_string (value, "hintfull");
GDK_NOTE(MISC, g_print ("gdk_screen_get_setting(\"%s\") : %s\n", name, g_value_get_string (value)));
return TRUE;
}
else if (strcmp ("gtk-xft-rgba", name) == 0)
{
unsigned int orientation = 0;
if (SystemParametersInfoW (SPI_GETFONTSMOOTHINGORIENTATION, 0, &orientation, 0))
{
if (orientation == FE_FONTSMOOTHINGORIENTATIONRGB)
g_value_set_static_string (value, "rgb");
else if (orientation == FE_FONTSMOOTHINGORIENTATIONBGR)
g_value_set_static_string (value, "bgr");
else
g_value_set_static_string (value, "none");
}
else
g_value_set_static_string (value, "none");
GDK_NOTE(MISC, g_print ("gdk_screen_get_setting(\"%s\") : %s\n", name, g_value_get_string (value)));
return TRUE;
}
return FALSE;
}
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