Only enable the queue button if we can actually queue something.

diff --git a/futatabi/mainwindow.cpp b/futatabi/mainwindow.cpp
index 4a4c0d658f2a54f478d84847295020ec37888163..b39d8d4a3e55290501216a499e4fddec38571ce7 100644 (file)
--- a/futatabi/mainwindow.cpp
+++ b/futatabi/mainwindow.cpp
@@ -203,6 +203,7 @@ MainWindow::MainWindow()
 
        connect(ui->clip_list->selectionModel(), &QItemSelectionModel::currentChanged,
                this, &MainWindow::clip_list_selection_changed);
+       enable_or_disable_queue_button();
 
        // Find out how many cameras we have in the existing frames;
        // if none, we start with two cameras.
@@ -285,6 +286,7 @@ void MainWindow::cue_in_clicked()
        QModelIndex index = cliplist_clips->index(cliplist_clips->size() - 1, int(ClipList::Column::IN));
        ui->clip_list->selectionModel()->setCurrentIndex(index, QItemSelectionModel::ClearAndSelect);
        ui->clip_list->scrollToBottom();
+       enable_or_disable_queue_button();
 }
 
 void MainWindow::cue_out_clicked()
@@ -300,10 +302,13 @@ void MainWindow::cue_out_clicked()
        QModelIndex index = cliplist_clips->index(cliplist_clips->size() - 1, int(ClipList::Column::OUT));
        ui->clip_list->selectionModel()->setCurrentIndex(index, QItemSelectionModel::ClearAndSelect);
        ui->clip_list->scrollToBottom();
+       enable_or_disable_queue_button();
 }
 
 void MainWindow::queue_clicked()
 {
+       // See also enable_or_disable_queue_button().
+
        if (cliplist_clips->empty()) {
                return;
        }
@@ -846,6 +851,7 @@ void MainWindow::clip_list_selection_changed(const QModelIndex &current, const Q
                camera_selected = current.column() - int(ClipList::Column::CAMERA_1);
        }
        highlight_camera_input(camera_selected);
+       enable_or_disable_queue_button();
 }
 
 void MainWindow::report_disk_space(off_t free_bytes, double estimated_seconds_left)
@@ -1057,6 +1063,30 @@ void MainWindow::enable_or_disable_preview_button()
        ui->preview_btn->setEnabled(!cliplist_clips->empty());
 }
 
+void MainWindow::enable_or_disable_queue_button()
+{
+       // Follows the logic in queue_clicked().
+       // TODO: Perhaps only enable this if something is actually selected.
+
+       bool enabled;
+
+       if (cliplist_clips->empty()) {
+               enabled = false;
+       } else {
+               QItemSelectionModel *selected = ui->clip_list->selectionModel();
+               if (!selected->hasSelection()) {
+                       Clip clip = *cliplist_clips->back();
+                       enabled = clip.pts_out != -1;
+               } else {
+                       QModelIndex index = selected->currentIndex();
+                       Clip clip = *cliplist_clips->clip(index.row());
+                       enabled = clip.pts_out != -1;
+               }
+       }
+
+       ui->queue_btn->setEnabled(enabled);
+}
+
 void MainWindow::set_output_status(const string &status)
 {
        ui->live_label->setText(QString::fromStdString("Current output (" + status + ")"));

diff --git a/futatabi/mainwindow.h b/futatabi/mainwindow.h
index d7e037c37ee7205a6c177d22509ce25f85fa990b..3628bf4690596c712ed00523088f816359e113a8 100644 (file)
--- a/futatabi/mainwindow.h
+++ b/futatabi/mainwindow.h
@@ -139,6 +139,7 @@ private:
 
        void highlight_camera_input(int stream_idx);
        void enable_or_disable_preview_button();
+       void enable_or_disable_queue_button();
 
        template<class Model>
        void replace_model(QTableView *view, Model **model, Model *new_model);