| // Copyright 2010-2015, Google Inc. |
| // All rights reserved. |
| // |
| // Redistribution and use in source and binary forms, with or without |
| // modification, are permitted provided that the following conditions are |
| // met: |
| // |
| // * Redistributions of source code must retain the above copyright |
| // notice, this list of conditions and the following disclaimer. |
| // * 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. |
| // * Neither the name of Google Inc. nor the names of its |
| // contributors may be used to endorse or promote products derived from |
| // this software without specific prior written permission. |
| // |
| // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
| // "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 THE COPYRIGHT |
| // OWNER 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 "unix/ibus/gtk_candidate_window_handler.h" |
| |
| #include <unistd.h> |
| |
| #include "base/logging.h" |
| #include "renderer/renderer_command.pb.h" |
| #include "renderer/renderer_interface.h" |
| #include "renderer/unix/const.h" |
| |
| namespace mozc { |
| namespace ibus { |
| |
| namespace { |
| const char kDefaultFont[] = "SansSerif 11"; |
| } // namespace |
| |
| GtkCandidateWindowHandler::GtkCandidateWindowHandler( |
| renderer::RendererInterface *renderer) |
| : renderer_(renderer), |
| last_update_output_(new commands::Output()), |
| use_custom_font_description_(false) { |
| } |
| |
| GtkCandidateWindowHandler::~GtkCandidateWindowHandler() { |
| } |
| |
| bool GtkCandidateWindowHandler::SendUpdateCommand( |
| const commands::Output &output, bool visibility) const { |
| using commands::RendererCommand; |
| |
| RendererCommand command; |
| command.mutable_output()->CopyFrom(output); |
| command.set_type(commands::RendererCommand::UPDATE); |
| command.set_visible(visibility); |
| RendererCommand::ApplicationInfo *appinfo |
| = command.mutable_application_info(); |
| |
| // Set pid |
| static_assert(sizeof(::getpid()) <= sizeof(appinfo->process_id()), |
| "|appinfo->process_id()| must have sufficient room."); |
| appinfo->set_process_id(::getpid()); |
| |
| // Do not set thread_id returned from ::pthread_self() because: |
| // 1. the returned value is valid only in the caller process. |
| // 2. the returned value may exceed uint32. |
| // TODO(team): Consider to use ::gettid() |
| |
| // Set InputFramework type |
| appinfo->set_input_framework(RendererCommand::ApplicationInfo::IBus); |
| appinfo->set_pango_font_description(GetFontDescription()); |
| |
| return renderer_->ExecCommand(command); |
| } |
| |
| void GtkCandidateWindowHandler::Update(IBusEngine *engine, |
| const commands::Output &output) { |
| last_update_output_->CopyFrom(output); |
| |
| SendUpdateCommand(output, output.candidates().candidate_size() != 0); |
| } |
| |
| void GtkCandidateWindowHandler::Hide(IBusEngine *engine) { |
| SendUpdateCommand(*(last_update_output_.get()), false); |
| } |
| |
| void GtkCandidateWindowHandler::Show(IBusEngine *engine) { |
| SendUpdateCommand(*(last_update_output_.get()), true); |
| } |
| |
| void GtkCandidateWindowHandler::OnIBusCustomFontDescriptionChanged( |
| const string &custom_font_description) { |
| custom_font_description_.assign(custom_font_description); |
| } |
| |
| void GtkCandidateWindowHandler::OnIBusUseCustomFontDescriptionChanged( |
| bool use_custom_font_description) { |
| use_custom_font_description_ = use_custom_font_description; |
| } |
| |
| string GtkCandidateWindowHandler::GetFontDescription() const { |
| if (!use_custom_font_description_) { |
| // TODO(nona): Load application default font settings. |
| return kDefaultFont; |
| } |
| DCHECK(!custom_font_description_.empty()); |
| return custom_font_description_; |
| } |
| |
| } // namespace ibus |
| } // namespace mozc |