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/*
* Copyright (C) 2021 Purism SPC
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY
* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
* OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include "config.h"
#include "SystemSettingsManagerProxy.h"
#include <WebCore/PlatformScreen.h>
#include <WebCore/SystemSettings.h>
#include <gtk/gtk.h>
#include <wtf/glib/GUniquePtr.h>
namespace WebKit {
String SystemSettingsManagerProxy::themeName() const
{
if (auto* themeNameEnv = g_getenv("GTK_THEME")) {
String name = String::fromUTF8(themeNameEnv);
if (name.endsWithIgnoringASCIICase("-dark"_s) || name.endsWith(":dark"_s))
return name.left(name.length() - 5);
return name;
}
GUniqueOutPtr<char> themeNameSetting;
g_object_get(m_settings, "gtk-theme-name", &themeNameSetting.outPtr(), nullptr);
String name = String::fromUTF8(themeNameSetting.get());
if (name.endsWithIgnoringASCIICase("-dark"_s))
return name.left(name.length() - 5);
return name;
}
bool SystemSettingsManagerProxy::darkMode() const
{
gboolean preferDarkTheme;
g_object_get(m_settings, "gtk-application-prefer-dark-theme", &preferDarkTheme, nullptr);
if (preferDarkTheme)
return true;
// FIXME: These are just heuristics, we should get the dark mode from libhandy/libadwaita, falling back to the settings portal.
// Or maybe just use the settings portal, because we don't want to depend on libhandy, and maybe don't want to depend on libadwaita?
if (const char* themeNameEnv = g_getenv("GTK_THEME")) {
String themeNameEnvString = String::fromUTF8(themeNameEnv);
return themeNameEnvString.endsWith("-dark"_s) || themeNameEnvString.endsWith("-Dark"_s) || themeNameEnvString.endsWith(":dark"_s);
}
GUniqueOutPtr<char> themeName;
g_object_get(m_settings, "gtk-theme-name", &themeName.outPtr(), nullptr);
if (themeName) {
String themeNameString = String::fromUTF8(themeName.get());
if (themeNameString.endsWith("-dark"_s) || themeNameString.endsWith("-Dark"_s))
return true;
}
return false;
}
String SystemSettingsManagerProxy::fontName() const
{
GUniqueOutPtr<char> fontNameSetting;
g_object_get(m_settings, "gtk-font-name", &fontNameSetting.outPtr(), nullptr);
return String::fromUTF8(fontNameSetting.get());
}
int SystemSettingsManagerProxy::xftAntialias() const
{
int antialiasSetting;
g_object_get(m_settings, "gtk-xft-antialias", &antialiasSetting, nullptr);
return antialiasSetting;
}
int SystemSettingsManagerProxy::xftHinting() const
{
int hintingSetting;
g_object_get(m_settings, "gtk-xft-hinting", &hintingSetting, nullptr);
return hintingSetting;
}
String SystemSettingsManagerProxy::xftHintStyle() const
{
GUniqueOutPtr<char> hintStyleSetting;
g_object_get(m_settings, "gtk-xft-hintstyle", &hintStyleSetting.outPtr(), nullptr);
return String::fromUTF8(hintStyleSetting.get());
}
String SystemSettingsManagerProxy::xftRGBA() const
{
GUniqueOutPtr<char> rgbaSetting;
g_object_get(m_settings, "gtk-xft-rgba", &rgbaSetting.outPtr(), nullptr);
return String::fromUTF8(rgbaSetting.get());
}
int SystemSettingsManagerProxy::xftDPI() const
{
#if !USE(GTK4)
// The code in this conditionally-compiled block is needed in order to
// respect the GDK_DPI_SCALE setting that was present in GTK3 as an
// additional font scaling factor.
if (auto* display = gdk_display_get_default()) {
if (auto* screen = gdk_display_get_default_screen(display))
return gdk_screen_get_resolution(screen) * 1024;
}
#endif
int dpiSetting;
g_object_get(m_settings, "gtk-xft-dpi", &dpiSetting, nullptr);
return dpiSetting;
}
bool SystemSettingsManagerProxy::followFontSystemSettings() const
{
#if USE(GTK4)
#if GTK_CHECK_VERSION(4, 16, 0)
GtkFontRendering fontRendering;
g_object_get(m_settings, "gtk-font-rendering", &fontRendering, nullptr);
return fontRendering == GTK_FONT_RENDERING_MANUAL;
#else
return false;
#endif
#endif
return true;
}
bool SystemSettingsManagerProxy::cursorBlink() const
{
gboolean cursorBlinkSetting;
g_object_get(m_settings, "gtk-cursor-blink", &cursorBlinkSetting, nullptr);
return cursorBlinkSetting ? true : false;
}
int SystemSettingsManagerProxy::cursorBlinkTime() const
{
int cursorBlinkTimeSetting;
g_object_get(m_settings, "gtk-cursor-blink-time", &cursorBlinkTimeSetting, nullptr);
return cursorBlinkTimeSetting;
}
bool SystemSettingsManagerProxy::primaryButtonWarpsSlider() const
{
gboolean buttonSetting;
g_object_get(m_settings, "gtk-primary-button-warps-slider", &buttonSetting, nullptr);
return buttonSetting ? true : false;
}
bool SystemSettingsManagerProxy::overlayScrolling() const
{
gboolean overlayScrollingSetting;
g_object_get(m_settings, "gtk-overlay-scrolling", &overlayScrollingSetting, nullptr);
return overlayScrollingSetting ? true : false;
}
bool SystemSettingsManagerProxy::enableAnimations() const
{
gboolean enableAnimationsSetting;
g_object_get(m_settings, "gtk-enable-animations", &enableAnimationsSetting, nullptr);
return enableAnimationsSetting ? true : false;
}
void SystemSettingsManagerProxy::updateFontProperties(const String& fontName, WebCore::SystemSettingsState& changedState)
{
changedState.fontName = fontName;
changedState.fontFamily = std::nullopt;
changedState.fontSize = std::nullopt;
changedState.fontWeight = std::nullopt;
if (fontName.isEmpty())
return;
PangoFontDescription* pangoDescription = pango_font_description_from_string(fontName.utf8().data());
if (!pangoDescription)
return;
int size = pango_font_description_get_size(pangoDescription) / PANGO_SCALE;
// If the size of the font is in points, we need to convert it to pixels.
if (!pango_font_description_get_size_is_absolute(pangoDescription))
size = size * (fontDPI() / 72.0);
changedState.fontFamily = String::fromUTF8(unsafeSpan8(pango_font_description_get_family(pangoDescription)));
changedState.fontSize = static_cast<float>(size);
changedState.fontWeight = pango_font_description_get_weight(pangoDescription);
pango_font_description_free(pangoDescription);
}
SystemSettingsManagerProxy::SystemSettingsManagerProxy()
: m_settings(gtk_settings_get_default())
{
auto settingsChangedCallback = +[](SystemSettingsManagerProxy* settingsManager) {
settingsManager->settingsDidChange();
};
g_signal_connect_swapped(m_settings, "notify::gtk-theme-name", G_CALLBACK(settingsChangedCallback), this);
g_signal_connect_swapped(m_settings, "notify::gtk-font-name", G_CALLBACK(settingsChangedCallback), this);
g_signal_connect_swapped(m_settings, "notify::gtk-xft-antialias", G_CALLBACK(settingsChangedCallback), this);
g_signal_connect_swapped(m_settings, "notify::gtk-xft-dpi", G_CALLBACK(settingsChangedCallback), this);
g_signal_connect_swapped(m_settings, "notify::gtk-xft-hinting", G_CALLBACK(settingsChangedCallback), this);
g_signal_connect_swapped(m_settings, "notify::gtk-xft-hintstyle", G_CALLBACK(settingsChangedCallback), this);
g_signal_connect_swapped(m_settings, "notify::gtk-xft-rgba", G_CALLBACK(settingsChangedCallback), this);
#if GTK_CHECK_VERSION(4, 16, 0)
g_signal_connect_swapped(m_settings, "notify::gtk-font-rendering", G_CALLBACK(settingsChangedCallback), this);
#endif
g_signal_connect_swapped(m_settings, "notify::gtk-cursor-blink", G_CALLBACK(settingsChangedCallback), this);
g_signal_connect_swapped(m_settings, "notify::gtk-cursor-blink-time", G_CALLBACK(settingsChangedCallback), this);
g_signal_connect_swapped(m_settings, "notify::gtk-primary-button-warps-slider", G_CALLBACK(settingsChangedCallback), this);
g_signal_connect_swapped(m_settings, "notify::gtk-overlay-scrolling", G_CALLBACK(settingsChangedCallback), this);
g_signal_connect_swapped(m_settings, "notify::gtk-enable-animations", G_CALLBACK(settingsChangedCallback), this);
g_signal_connect_swapped(m_settings, "notify::gtk-application-prefer-dark-theme", G_CALLBACK(settingsChangedCallback), this);
settingsDidChange();
}
} // namespace WebKit
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