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// Copyright 2021 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef UI_GTK_GTK_COMPAT_H_
#define UI_GTK_GTK_COMPAT_H_
#include <gdk-pixbuf/gdk-pixbuf.h>
#include <gdk/gdk.h>
#include <gio/gio.h>
#include <gtk/gtk.h>
#include <gtk/gtkunixprint.h>
#include <optional>
#include "base/files/file_path.h"
#include "base/version.h"
#include "ui/base/glib/scoped_gobject.h"
#include "ui/gfx/geometry/insets.h"
#include "ui/gtk/gtk_types.h"
#include "ui/linux/linux_ui_delegate.h"
#if GTK_CHECK_VERSION(4, 1, 1)
#define UI_GTK_CONST const
#else
#define UI_GTK_CONST
#endif
extern "C" {
#include "ui/gtk/gdk.sigs"
#include "ui/gtk/gdk_pixbuf.sigs"
#include "ui/gtk/gio.sigs"
#include "ui/gtk/gsk.sigs"
#include "ui/gtk/gtk.sigs"
}
#define GDK_KEY_PRESS Do_not_use_GDK_KEY_PRESS_because_it_is_not_ABI_compatible
#define GDK_KEY_RELEASE \
Do_not_use_GDK_KEY_RELEASE_because_it_is_not_ABI_compatible
using SkColor = uint32_t;
namespace gtk {
// Loads libgtk and related libraries and returns true on success.
bool LoadGtk(ui::LinuxUiBackend backend);
const base::Version& GtkVersion();
// Returns true iff the runtime version of Gtk used meets
// |major|.|minor|.|micro|. LoadGtk() must have been called
// prior to calling this function.
bool GtkCheckVersion(uint32_t major, uint32_t minor = 0, uint32_t micro = 0);
// The below functions replace GTK functions whose interface has
// changed across versions, but whose (symbol) names have not.
[[nodiscard]] bool GtkInitCheck(int* argc, char** argv);
gfx::Insets GtkStyleContextGetPadding(GtkStyleContext* context);
gfx::Insets GtkStyleContextGetBorder(GtkStyleContext* context);
gfx::Insets GtkStyleContextGetMargin(GtkStyleContext* context);
SkColor GtkStyleContextGetColor(GtkStyleContext* context);
// Only available in Gtk3.
SkColor GtkStyleContextGetBackgroundColor(GtkStyleContext* context);
// Only available in Gtk3.
std::optional<SkColor> GtkStyleContextLookupColor(GtkStyleContext* context,
const gchar* color_name);
bool GtkImContextFilterKeypress(GtkIMContext* context, GdkEventKey* event);
bool GtkFileChooserSetCurrentFolder(GtkFileChooser* dialog,
const base::FilePath& path);
void GtkRenderIcon(GtkStyleContext* context,
cairo_t* cr,
GdkPixbuf* pixbuf,
GdkTexture* texture,
double x,
double y);
GtkWidget* GtkToplevelWindowNew();
void GtkCssProviderLoadFromData(GtkCssProvider* css_provider,
const char* data,
gssize length);
ScopedGObject<GListModel> Gtk4FileChooserGetFiles(GtkFileChooser* dialog);
ScopedGObject<GtkIconInfo> Gtk3IconThemeLookupByGiconForScale(
GtkIconTheme* theme,
GIcon* icon,
int size,
int scale,
GtkIconLookupFlags flags);
ScopedGObject<GtkIconPaintable> Gtk4IconThemeLookupByGicon(
GtkIconTheme* theme,
GIcon* icon,
int size,
int scale,
GtkTextDirection direction,
GtkIconLookupFlags flags);
ScopedGObject<GtkIconPaintable> Gtk4IconThemeLookupIcon(
GtkIconTheme* theme,
const char* icon_name,
const char* fallbacks[],
int size,
int scale,
GtkTextDirection direction,
GtkIconLookupFlags flags);
// generate_stubs cannot forward to C-style variadic functions, so the
// functions below wrap the corresponding GTK va_list functions.
void GtkStyleContextGet(GtkStyleContext* context, ...);
void GtkStyleContextGetStyle(GtkStyleContext* context, ...);
// These variadic functions do not have corresponding va_list equivalents,
// so instances with only a fixed set of arguments are provided.
GtkWidget* GtkFileChooserDialogNew(const gchar* title,
GtkWindow* parent,
GtkFileChooserAction action,
const gchar* first_button_text,
GtkResponseType first_response,
const gchar* second_button_text,
GtkResponseType second_response);
GtkTreeStore* GtkTreeStoreNew(GType type);
// These functions have dropped "const" in their signatures, so cannot be
// declared in *.sigs.
GdkEventType GdkEventGetEventType(GdkEvent* event);
guint32 GdkEventGetTime(GdkEvent* event);
// Some enum values have changed between versions.
GdkEventType GdkKeyPress();
GdkEventType GdkKeyRelease();
} // namespace gtk
#endif // UI_GTK_GTK_COMPAT_H_
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