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/*
* Copyright (C) 2024 Igalia S.L.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library 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
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public License
* along with this library; see the file COPYING.LIB. If not, write to
* the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
* Boston, MA 02110-1301, USA.
*/
#include "config.h"
#include "WebKitInputMethodContextImplWPE.h"
#if ENABLE(WPE_PLATFORM)
#include <wpe/wpe-platform.h>
#include <wtf/MathExtras.h>
#include <wtf/glib/GRefPtr.h>
#include <wtf/glib/WTFGType.h>
struct _WebKitInputMethodContextImplWPEPrivate {
GRefPtr<WPEInputMethodContext> context;
};
WEBKIT_DEFINE_FINAL_TYPE(WebKitInputMethodContextImplWPE, webkit_input_method_context_impl_wpe, WEBKIT_TYPE_INPUT_METHOD_CONTEXT, WebKitInputMethodContext)
static WPEInputPurpose toWPEInputPurpose(WebKitInputPurpose purpose)
{
switch (purpose) {
case WEBKIT_INPUT_PURPOSE_FREE_FORM:
return WPE_INPUT_PURPOSE_FREE_FORM;
case WEBKIT_INPUT_PURPOSE_DIGITS:
return WPE_INPUT_PURPOSE_DIGITS;
case WEBKIT_INPUT_PURPOSE_NUMBER:
return WPE_INPUT_PURPOSE_NUMBER;
case WEBKIT_INPUT_PURPOSE_PHONE:
return WPE_INPUT_PURPOSE_PHONE;
case WEBKIT_INPUT_PURPOSE_URL:
return WPE_INPUT_PURPOSE_URL;
case WEBKIT_INPUT_PURPOSE_EMAIL:
return WPE_INPUT_PURPOSE_EMAIL;
case WEBKIT_INPUT_PURPOSE_PASSWORD:
return WPE_INPUT_PURPOSE_PASSWORD;
}
RELEASE_ASSERT_NOT_REACHED();
}
static WPEInputHints toWPEInputHints(WebKitInputHints hints)
{
unsigned wpeHints = 0;
if (hints & WEBKIT_INPUT_HINT_SPELLCHECK)
wpeHints |= WPE_INPUT_HINT_SPELLCHECK;
if (hints & WEBKIT_INPUT_HINT_LOWERCASE)
wpeHints |= WPE_INPUT_HINT_LOWERCASE;
if (hints & WEBKIT_INPUT_HINT_UPPERCASE_CHARS)
wpeHints |= WPE_INPUT_HINT_UPPERCASE_CHARS;
if (hints & WEBKIT_INPUT_HINT_UPPERCASE_WORDS)
wpeHints |= WPE_INPUT_HINT_UPPERCASE_WORDS;
if (hints & WEBKIT_INPUT_HINT_UPPERCASE_SENTENCES)
wpeHints |= WPE_INPUT_HINT_UPPERCASE_SENTENCES;
if (hints & WEBKIT_INPUT_HINT_INHIBIT_OSK)
wpeHints |= WPE_INPUT_HINT_INHIBIT_OSK;
return static_cast<WPEInputHints>(wpeHints);
}
static void inputPurposeChangedCallback(WebKitInputMethodContextImplWPE* context)
{
g_object_set(context->priv->context.get(), "input-purpose", toWPEInputPurpose(webkit_input_method_context_get_input_purpose(WEBKIT_INPUT_METHOD_CONTEXT(context))), nullptr);
}
static void inputHintsChangedCallback(WebKitInputMethodContextImplWPE* context)
{
g_object_set(context->priv->context.get(), "input-hints", toWPEInputHints(webkit_input_method_context_get_input_hints(WEBKIT_INPUT_METHOD_CONTEXT(context))), nullptr);
}
static void wpeIMContextPreeditStartCallback(WebKitInputMethodContextImplWPE* context)
{
g_signal_emit_by_name(context, "preedit-started", nullptr);
}
static void wpeIMContextPreeditChangedCallback(WebKitInputMethodContextImplWPE* context)
{
g_signal_emit_by_name(context, "preedit-changed", nullptr);
}
static void wpeIMContextPreeditEndCallback(WebKitInputMethodContextImplWPE* context)
{
g_signal_emit_by_name(context, "preedit-finished", nullptr);
}
static void wpeIMContextCommitCallback(WebKitInputMethodContextImplWPE* context, const char* text)
{
g_signal_emit_by_name(context, "committed", text, nullptr);
}
static void wpeIMContextDeleteSurrounding(WebKitInputMethodContextImplWPE* context, gint offset, guint characterCount)
{
g_signal_emit_by_name(context, "delete-surrounding", offset, characterCount, nullptr);
}
static void webkitInputMethodContextImplWPEGetPreedit(WebKitInputMethodContext* context, char** text, GList** underlines, guint* cursorOffset)
{
auto* priv = WEBKIT_INPUT_METHOD_CONTEXT_IMPL_WPE(context)->priv;
GList* wpeUnderlines = nullptr;
guint offset;
wpe_input_method_context_get_preedit_string(priv->context.get(), text, underlines ? &wpeUnderlines : nullptr, &offset);
if (underlines) {
*underlines = nullptr;
if (wpeUnderlines) {
for (auto* it = wpeUnderlines; it; it = g_list_next(it)) {
auto* wpeUnderline = static_cast<WPEInputMethodUnderline*>(it->data);
auto* wpeColor = wpe_input_method_underline_get_color(wpeUnderline);
auto* underline = webkit_input_method_underline_new(
clampTo<unsigned>(wpe_input_method_underline_get_start_offset(wpeUnderline)),
clampTo<unsigned>(wpe_input_method_underline_get_end_offset(wpeUnderline)));
WebKitColor color = { wpeColor->red, wpeColor->green, wpeColor->blue, wpeColor->alpha };
webkit_input_method_underline_set_color(underline, &color);
*underlines = g_list_prepend(*underlines, underline);
}
g_list_free_full(wpeUnderlines, reinterpret_cast<GDestroyNotify>(wpe_input_method_underline_free));
}
}
if (cursorOffset)
*cursorOffset = clampTo<unsigned>(offset);
}
static gboolean webkitInputMethodContextImplWPEFilterKeyEvent(WebKitInputMethodContext* context, void* keyEvent)
{
auto* priv = WEBKIT_INPUT_METHOD_CONTEXT_IMPL_WPE(context)->priv;
auto* wpeEvent = static_cast<WPEEvent*>(keyEvent);
return wpe_input_method_context_filter_key_event(priv->context.get(), wpeEvent);
}
static void webkitInputMethodContextImplWPENotifyFocusIn(WebKitInputMethodContext* context)
{
auto* priv = WEBKIT_INPUT_METHOD_CONTEXT_IMPL_WPE(context)->priv;
wpe_input_method_context_focus_in(priv->context.get());
}
static void webkitInputMethodContextImplWPENotifyFocusOut(WebKitInputMethodContext* context)
{
auto* priv = WEBKIT_INPUT_METHOD_CONTEXT_IMPL_WPE(context)->priv;
wpe_input_method_context_focus_out(priv->context.get());
}
static void webkitInputMethodContextImplWPENotifyCursorArea(WebKitInputMethodContext* context, int x, int y, int width, int height)
{
auto* priv = WEBKIT_INPUT_METHOD_CONTEXT_IMPL_WPE(context)->priv;
wpe_input_method_context_set_cursor_area(priv->context.get(), x, y, width, height);
}
static void webkitInputMethodContextImplWPENotifySurrounding(WebKitInputMethodContext* context, const gchar* text, unsigned length, unsigned cursorIndex, unsigned selectionIndex)
{
auto* priv = WEBKIT_INPUT_METHOD_CONTEXT_IMPL_WPE(context)->priv;
wpe_input_method_context_set_surrounding(priv->context.get(), text, length, cursorIndex, selectionIndex);
}
static void webkitInputMethodContextImplWPEReset(WebKitInputMethodContext* context)
{
auto* priv = WEBKIT_INPUT_METHOD_CONTEXT_IMPL_WPE(context)->priv;
wpe_input_method_context_reset(priv->context.get());
}
static void webkit_input_method_context_impl_wpe_class_init(WebKitInputMethodContextImplWPEClass* klass)
{
auto* imClass = WEBKIT_INPUT_METHOD_CONTEXT_CLASS(klass);
imClass->get_preedit = webkitInputMethodContextImplWPEGetPreedit;
imClass->filter_key_event = webkitInputMethodContextImplWPEFilterKeyEvent;
imClass->notify_focus_in = webkitInputMethodContextImplWPENotifyFocusIn;
imClass->notify_focus_out = webkitInputMethodContextImplWPENotifyFocusOut;
imClass->notify_cursor_area = webkitInputMethodContextImplWPENotifyCursorArea;
imClass->notify_surrounding = webkitInputMethodContextImplWPENotifySurrounding;
imClass->reset = webkitInputMethodContextImplWPEReset;
}
WebKitInputMethodContext* webkitInputMethodContextImplWPENew(WPEView *view)
{
auto* context = WEBKIT_INPUT_METHOD_CONTEXT(g_object_new(WEBKIT_TYPE_INPUT_METHOD_CONTEXT_IMPL_WPE, nullptr));
g_signal_connect_swapped(context, "notify::input-purpose", G_CALLBACK(inputPurposeChangedCallback), context);
g_signal_connect_swapped(context, "notify::input-hints", G_CALLBACK(inputHintsChangedCallback), context);
auto* priv = WEBKIT_INPUT_METHOD_CONTEXT_IMPL_WPE(context)->priv;
priv->context = adoptGRef(wpe_input_method_context_new(view) );
g_signal_connect_object(priv->context.get(), "preedit-started", G_CALLBACK(wpeIMContextPreeditStartCallback), context, G_CONNECT_SWAPPED);
g_signal_connect_object(priv->context.get(), "preedit-changed", G_CALLBACK(wpeIMContextPreeditChangedCallback), context, G_CONNECT_SWAPPED);
g_signal_connect_object(priv->context.get(), "preedit-finished", G_CALLBACK(wpeIMContextPreeditEndCallback), context, G_CONNECT_SWAPPED);
g_signal_connect_object(priv->context.get(), "committed", G_CALLBACK(wpeIMContextCommitCallback), context, G_CONNECT_SWAPPED);
g_signal_connect_object(priv->context.get(), "delete-surrounding", G_CALLBACK(wpeIMContextDeleteSurrounding), context, G_CONNECT_SWAPPED);
return context;
}
#endif // ENABLE(WPE_PLATFORM)
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