Make the guess button work.

[nageru] / midi_mapping_dialog.h

diff --git a/midi_mapping_dialog.h b/midi_mapping_dialog.h
index 6d9919bbb93da5a70610f6faeec14632dd1eb5cc..efc770d28a1cc81433bd73cda828acd2e138062e 100644 (file)
--- a/midi_mapping_dialog.h
+++ b/midi_mapping_dialog.h
@@ -3,6 +3,7 @@
 
 #include <QDialog>
 #include <string>
+#include <utility>
 #include <vector>
 #include <sys/time.h>
 
@@ -28,6 +29,8 @@ public:
        MIDIMappingDialog(MIDIMapper *mapper);
        ~MIDIMappingDialog();
 
+       bool eventFilter(QObject *obj, QEvent *event) override;
+
        // For use in midi_mapping_dialog.cpp only.
        struct Control {
                std::string label;
@@ -58,6 +61,7 @@ public:
        void note_on(unsigned note) override;
 
 public slots:
+       void guess_clicked();
        void ok_clicked();
        void cancel_clicked();
        void save_clicked();
@@ -73,11 +77,22 @@ private:
                          const MIDIMappingProto &mapping_proto, const std::vector<Control> &controls);
        void fill_controls_from_mapping(const MIDIMappingProto &mapping_proto);
 
+       // Tries to find a source bus and an offset to it that would give
+       // a consistent offset for the rest of the mappings in this bus.
+       // Returns -1 for the bus (the first element) if no consistent offset
+       // can be found.
+       std::pair<int, int> guess_offset(unsigned bus_idx);
+       bool bus_is_empty(unsigned bus_idx);
+
+       void update_guess_button_state();
+       int find_focus_bus();
+
        std::unique_ptr<MIDIMappingProto> construct_mapping_proto_from_ui();
 
        Ui::MIDIMappingDialog *ui;
        MIDIMapper *mapper;
        ControllerReceiver *old_receiver;
+       int last_focus_bus_idx{-1};
 
        // All controllers actually laid out on the grid (we need to store them
        // so that we can move values back and forth between the controls and
@@ -94,6 +109,9 @@ private:
        std::vector<InstantiatedSpinner> controller_spinners;
        std::vector<InstantiatedSpinner> button_spinners;
        std::vector<InstantiatedComboBox> bank_combo_boxes;
+
+       // Keyed on bus index, then field number.
+       std::map<unsigned, std::map<unsigned, QSpinBox *>> spinners;
 };
 
 #endif  // !defined(_MIDI_MAPPING_DIALOG_H)