| /* |
| * Copyright (C) 2015 Savoir-Faire Linux Inc. |
| * Author: Stepan Salenikovich <stepan.salenikovich@savoirfairelinux.com> |
| * |
| * This program is free software; you can redistribute it and/or modify |
| * it under the terms of the GNU General Public License as published by |
| * the Free Software Foundation; either version 3 of the License, or |
| * (at your option) any later version. |
| * |
| * This program 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 General Public License for more details. |
| * |
| * You should have received a copy of the GNU General Public License |
| * along with this program; if not, write to the Free Software |
| * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. |
| * |
| * Additional permission under GNU GPL version 3 section 7: |
| * |
| * If you modify this program, or any covered work, by linking or |
| * combining it with the OpenSSL project's OpenSSL library (or a |
| * modified version of that library), containing parts covered by the |
| * terms of the OpenSSL or SSLeay licenses, Savoir-Faire Linux Inc. |
| * grants you additional permission to convey the resulting work. |
| * Corresponding Source for a non-source form of such a combination |
| * shall include the source code for the parts of OpenSSL used as well |
| * as that of the covered work. |
| */ |
| |
| #include "videosettingsview.h" |
| |
| #include <gtk/gtk.h> |
| #include "models/gtkqtreemodel.h" |
| #include "video/video_widget.h" |
| #include <video/previewmanager.h> |
| #include <video/configurationproxy.h> |
| #include <QtCore/QItemSelectionModel> |
| |
| struct _VideoSettingsView |
| { |
| GtkBox parent; |
| }; |
| |
| struct _VideoSettingsViewClass |
| { |
| GtkBoxClass parent_class; |
| }; |
| |
| typedef struct _VideoSettingsViewPrivate VideoSettingsViewPrivate; |
| |
| struct _VideoSettingsViewPrivate |
| { |
| GtkWidget *combobox_device; |
| GtkWidget *combobox_channel; |
| GtkWidget *combobox_resolution; |
| GtkWidget *combobox_framerate; |
| GtkWidget *button_startstop; |
| GtkWidget *vbox_camera_preview; |
| GtkWidget *video_widget; |
| |
| /* this is used to keep track of the state of the preview when the settings |
| * are opened; if a call is in progress, then the preview should already be |
| * started and we don't want to stop it when the settings are closed, in this |
| * case */ |
| gboolean video_started_by_settings; |
| |
| QMetaObject::Connection local_renderer_connection; |
| QMetaObject::Connection device_selection; |
| QMetaObject::Connection channel_selection; |
| QMetaObject::Connection resolution_selection; |
| QMetaObject::Connection rate_selection; |
| }; |
| |
| G_DEFINE_TYPE_WITH_PRIVATE(VideoSettingsView, video_settings_view, GTK_TYPE_BOX); |
| |
| #define VIDEO_SETTINGS_VIEW_GET_PRIVATE(obj) (G_TYPE_INSTANCE_GET_PRIVATE ((obj), VIDEO_SETTINGS_VIEW_TYPE, VideoSettingsViewPrivate)) |
| |
| static void |
| video_settings_view_dispose(GObject *object) |
| { |
| VideoSettingsView *view = VIDEO_SETTINGS_VIEW(object); |
| VideoSettingsViewPrivate *priv = VIDEO_SETTINGS_VIEW_GET_PRIVATE(view); |
| |
| QObject::disconnect(priv->local_renderer_connection); |
| QObject::disconnect(priv->device_selection); |
| QObject::disconnect(priv->channel_selection); |
| QObject::disconnect(priv->resolution_selection); |
| QObject::disconnect(priv->rate_selection); |
| |
| G_OBJECT_CLASS(video_settings_view_parent_class)->dispose(object); |
| } |
| |
| static QModelIndex |
| get_index_from_combobox(GtkComboBox *box) |
| { |
| GtkTreeIter iter; |
| GtkTreeModel *model = gtk_combo_box_get_model(box); |
| if (gtk_combo_box_get_active_iter(box, &iter)) { |
| return gtk_q_tree_model_get_source_idx(GTK_Q_TREE_MODEL(model), &iter); |
| } else { |
| return QModelIndex(); |
| } |
| } |
| |
| static void |
| update_selection(GtkComboBox *box, QItemSelectionModel *selection_model) |
| { |
| QModelIndex idx = get_index_from_combobox(box); |
| if (idx.isValid()) |
| selection_model->setCurrentIndex(idx, QItemSelectionModel::ClearAndSelect); |
| } |
| |
| static QMetaObject::Connection |
| connect_combo_box_qmodel(GtkComboBox *box, QAbstractItemModel *qmodel, QItemSelectionModel *selection_model) |
| { |
| QMetaObject::Connection connection; |
| GtkCellRenderer *renderer; |
| GtkQTreeModel *model = gtk_q_tree_model_new(qmodel, |
| 1, |
| Qt::DisplayRole, G_TYPE_STRING); |
| |
| gtk_combo_box_set_model(box, GTK_TREE_MODEL(model)); |
| renderer = gtk_cell_renderer_text_new(); |
| gtk_cell_layout_pack_start(GTK_CELL_LAYOUT(box), renderer, FALSE); |
| gtk_cell_layout_set_attributes(GTK_CELL_LAYOUT(box), renderer, |
| "text", 0, NULL); |
| |
| /* connect signals to and from the selection model */ |
| connection = QObject::connect( |
| selection_model, |
| &QItemSelectionModel::currentChanged, |
| [=](const QModelIndex & current, G_GNUC_UNUSED const QModelIndex & previous) { |
| /* select the current */ |
| if (current.isValid()) { |
| GtkTreeIter new_iter; |
| GtkTreeModel *model = gtk_combo_box_get_model(box); |
| g_return_if_fail(model != NULL); |
| if (gtk_q_tree_model_source_index_to_iter(GTK_Q_TREE_MODEL(model), current, &new_iter)) { |
| gtk_combo_box_set_active_iter(box, &new_iter); |
| } else { |
| g_warning("SelectionModel changed to invalid QModelIndex?"); |
| } |
| } |
| } |
| ); |
| g_signal_connect(box, |
| "changed", |
| G_CALLBACK(update_selection), |
| selection_model); |
| |
| /* sync the initial selection */ |
| QModelIndex idx = selection_model->currentIndex(); |
| if (idx.isValid()) { |
| GtkTreeIter iter; |
| if (gtk_q_tree_model_source_index_to_iter(model, idx, &iter)) |
| gtk_combo_box_set_active_iter(box, &iter); |
| } |
| |
| return connection; |
| } |
| |
| static void |
| video_settings_view_init(VideoSettingsView *view) |
| { |
| gtk_widget_init_template(GTK_WIDGET(view)); |
| |
| VideoSettingsViewPrivate *priv = VIDEO_SETTINGS_VIEW_GET_PRIVATE(view); |
| |
| priv->device_selection = connect_combo_box_qmodel(GTK_COMBO_BOX(priv->combobox_device), |
| Video::ConfigurationProxy::deviceModel(), |
| Video::ConfigurationProxy::deviceSelectionModel()); |
| priv->channel_selection = connect_combo_box_qmodel(GTK_COMBO_BOX(priv->combobox_channel), |
| Video::ConfigurationProxy::channelModel(), |
| Video::ConfigurationProxy::channelSelectionModel()); |
| priv->resolution_selection = connect_combo_box_qmodel(GTK_COMBO_BOX(priv->combobox_resolution), |
| Video::ConfigurationProxy::resolutionModel(), |
| Video::ConfigurationProxy::resolutionSelectionModel()); |
| priv->rate_selection = connect_combo_box_qmodel(GTK_COMBO_BOX(priv->combobox_framerate), |
| Video::ConfigurationProxy::rateModel(), |
| Video::ConfigurationProxy::rateSelectionModel()); |
| } |
| |
| static void |
| video_settings_view_class_init(VideoSettingsViewClass *klass) |
| { |
| G_OBJECT_CLASS(klass)->dispose = video_settings_view_dispose; |
| |
| gtk_widget_class_set_template_from_resource(GTK_WIDGET_CLASS (klass), |
| "/cx/ring/RingGnome/videosettingsview.ui"); |
| |
| gtk_widget_class_bind_template_child_private(GTK_WIDGET_CLASS (klass), VideoSettingsView, combobox_device); |
| gtk_widget_class_bind_template_child_private(GTK_WIDGET_CLASS (klass), VideoSettingsView, combobox_channel); |
| gtk_widget_class_bind_template_child_private(GTK_WIDGET_CLASS (klass), VideoSettingsView, combobox_resolution); |
| gtk_widget_class_bind_template_child_private(GTK_WIDGET_CLASS (klass), VideoSettingsView, combobox_framerate); |
| gtk_widget_class_bind_template_child_private(GTK_WIDGET_CLASS (klass), VideoSettingsView, vbox_camera_preview); |
| } |
| |
| GtkWidget * |
| video_settings_view_new() |
| { |
| gpointer view = g_object_new(VIDEO_SETTINGS_VIEW_TYPE, NULL); |
| |
| return (GtkWidget *)view; |
| } |
| |
| void |
| video_settings_show_preview(VideoSettingsView *self, gboolean show_preview) |
| { |
| g_return_if_fail(IS_VIDEO_SETTINGS_VIEW(self)); |
| VideoSettingsViewPrivate *priv = VIDEO_SETTINGS_VIEW_GET_PRIVATE(self); |
| |
| /* if TRUE, create a VideoWidget, then check if the preview has already been |
| * started (because a call was in progress); if not, then start it. |
| * if FALSE, check if the preview was started by this function, if so |
| * then stop the preview; then destroy the VideoWidget to make sure we don't |
| * get useless frame updates */ |
| |
| if (show_preview) { |
| /* put video widget in */ |
| priv->video_widget = video_widget_new(); |
| gtk_widget_show_all(priv->video_widget); |
| gtk_box_pack_start(GTK_BOX(priv->vbox_camera_preview), priv->video_widget, TRUE, TRUE, 0); |
| |
| if (Video::PreviewManager::instance()->isPreviewing()) { |
| priv->video_started_by_settings = FALSE; |
| |
| /* local renderer, but set as "remote" so that it takes up the whole screen */ |
| video_widget_push_new_renderer(VIDEO_WIDGET(priv->video_widget), |
| Video::PreviewManager::instance()->previewRenderer(), |
| VIDEO_RENDERER_REMOTE); |
| } else { |
| priv->video_started_by_settings = TRUE; |
| priv->local_renderer_connection = QObject::connect( |
| Video::PreviewManager::instance(), |
| &Video::PreviewManager::previewStarted, |
| [=](Video::Renderer *renderer) { |
| video_widget_push_new_renderer(VIDEO_WIDGET(priv->video_widget), |
| renderer, |
| VIDEO_RENDERER_REMOTE); |
| } |
| ); |
| Video::PreviewManager::instance()->startPreview(); |
| } |
| } else { |
| if (priv->video_started_by_settings) { |
| Video::PreviewManager::instance()->stopPreview(); |
| QObject::disconnect(priv->local_renderer_connection); |
| priv->video_started_by_settings = FALSE; |
| } |
| |
| if (priv->video_widget && IS_VIDEO_WIDGET(priv->video_widget)) |
| gtk_container_remove(GTK_CONTAINER(priv->vbox_camera_preview), priv->video_widget); |
| priv->video_widget = NULL; |
| } |
| |
| } |