gtk2/gdk/win32/gdkproperty-win32.c
Руслан Ижбулатов 8da56cef79 GDK W32: Fix property setting to correctly use static strings
The strings that are set are static, so g_value_set_static_string() should
be used to set them instead of g_value_set_string().
2019-03-22 16:59:03 +00:00

227 lines
7.9 KiB
C

/* 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 "gdkproperty.h"
#include "gdkdisplayprivate.h"
#include "gdkprivate-win32.h"
#include "gdkwin32.h"
static gchar*
_get_system_font_name (HDC hdc)
{
NONCLIENTMETRICSW ncm;
PangoFontDescription *font_desc;
gchar *result, *font_desc_string;
int logpixelsy;
gint 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;
}
/*
For reference, from gdk/x11/gdksettings.c:
"Net/DoubleClickTime\0" "gtk-double-click-time\0"
"Net/DoubleClickDistance\0" "gtk-double-click-distance\0"
"Net/DndDragThreshold\0" "gtk-dnd-drag-threshold\0"
"Net/CursorBlink\0" "gtk-cursor-blink\0"
"Net/CursorBlinkTime\0" "gtk-cursor-blink-time\0"
"Net/ThemeName\0" "gtk-theme-name\0"
"Net/IconThemeName\0" "gtk-icon-theme-name\0"
"Gtk/ColorPalette\0" "gtk-color-palette\0"
"Gtk/FontName\0" "gtk-font-name\0"
"Gtk/KeyThemeName\0" "gtk-key-theme-name\0"
"Gtk/Modules\0" "gtk-modules\0"
"Gtk/CursorBlinkTimeout\0" "gtk-cursor-blink-timeout\0"
"Gtk/CursorThemeName\0" "gtk-cursor-theme-name\0"
"Gtk/CursorThemeSize\0" "gtk-cursor-theme-size\0"
"Gtk/ColorScheme\0" "gtk-color-scheme\0"
"Gtk/EnableAnimations\0" "gtk-enable-animations\0"
"Xft/Antialias\0" "gtk-xft-antialias\0"
"Xft/Hinting\0" "gtk-xft-hinting\0"
"Xft/HintStyle\0" "gtk-xft-hintstyle\0"
"Xft/RGBA\0" "gtk-xft-rgba\0"
"Xft/DPI\0" "gtk-xft-dpi\0"
"Gtk/EnableAccels\0" "gtk-enable-accels\0"
"Gtk/ScrolledWindowPlacement\0" "gtk-scrolled-window-placement\0"
"Gtk/IMModule\0" "gtk-im-module\0"
"Fontconfig/Timestamp\0" "gtk-fontconfig-timestamp\0"
"Net/SoundThemeName\0" "gtk-sound-theme-name\0"
"Net/EnableInputFeedbackSounds\0" "gtk-enable-input-feedback-sounds\0"
"Net/EnableEventSounds\0" "gtk-enable-event-sounds\0";
More, from various places in gtk sources:
gtk-entry-select-on-focus
gtk-split-cursor
*/
gboolean
_gdk_win32_get_setting (const gchar *name,
GValue *value)
{
/*
* XXX : if these values get changed through the Windoze UI the
* respective gdk_events are not generated yet.
*/
if (strcmp ("gtk-double-click-time", name) == 0)
{
gint 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-double-click-distance", name) == 0)
{
gint 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-dnd-drag-threshold", name) == 0)
{
gint 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-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-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-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-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-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-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;
}
else if (strcmp ("gtk-font-name", name) == 0)
{
gchar *font_name = _get_system_font_name (_gdk_display_hdc);
if (font_name)
{
/* The pango font fallback list got fixed during 1.43, before that
* using anything but "Segoe UI" would lead to a poor glyph coverage */
if (pango_version_check (1, 43, 0) != NULL &&
g_ascii_strncasecmp (font_name, "Segoe UI", strlen ("Segoe UI")) != 0)
{
g_free (font_name);
return FALSE;
}
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_screen_get_setting: Detecting the system font failed");
return FALSE;
}
}
else if (strcmp ("gtk-im-module", name) == 0)
{
if (_gdk_input_locale_is_ime)
g_value_set_static_string (value, "ime");
else
g_value_set_static_string (value, "");
return TRUE;
}
return FALSE;
}