hvirtual/cinelerra/timebar.h

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#ifndef TIMEBAR_H
#define TIMEBAR_H

#include "edl.inc"
#include "guicast.h"
#include "filexml.inc"
#include "labels.inc"
#include "labeledit.inc"
#include "mwindow.inc"
#include "recordlabel.inc"
#include "testobject.h"
#include "timebar.inc"
#include "vwindowgui.inc"

class TimeBarLeftArrow;
class TimeBarRightArrow;

class LabelGUI;
class InPointGUI;
class OutPointGUI;
class PresentationGUI;

// Operations for cursor
#define TIMEBAR_NONE        0
#define TIMEBAR_DRAG        1
#define TIMEBAR_DRAG_LEFT   2
#define TIMEBAR_DRAG_RIGHT  3
#define TIMEBAR_DRAG_CENTER 4

class LabelGUI : public BC_Toggle
{
public:
        LabelGUI(MWindow *mwindow, 
                TimeBar *timebar, 
                int64_t pixel, 
                int y, 
                double position,
                VFrame **data = 0);
        virtual ~LabelGUI();

        static int translate_pixel(MWindow *mwindow, int pixel);
        virtual int handle_event();
        static int get_y(MWindow *mwindow, TimeBar *timebar);
        void reposition();

        Label *label;
        int button_press_event();
        MWindow *mwindow;
        VWindowGUI *gui;
        TimeBar *timebar;
        int64_t pixel;
        double position;
};

class TestPointGUI : public LabelGUI
{
public:
        TestPointGUI(MWindow *mwindow, 
                TimeBar *timebar, 
                int64_t pixel, 
                double position);
};

class InPointGUI : public LabelGUI
{
public:
        InPointGUI(MWindow *mwindow, 
                TimeBar *timebar, 
                int64_t pixel, 
                double position);
        virtual ~InPointGUI();
        static int get_y(MWindow *mwindow, TimeBar *timebar);
};

class OutPointGUI : public LabelGUI
{
public:
        OutPointGUI(MWindow *mwindow, 
                TimeBar *timebar, 
                int64_t pixel, 
                double position);
        virtual ~OutPointGUI();
        static int get_y(MWindow *mwindow, TimeBar *timebar);
};

class PresentationGUI : public LabelGUI
{
public:
        PresentationGUI(MWindow *mwindow, 
                TimeBar *timebar, 
                int64_t pixel, 
                double position);
        ~PresentationGUI();
};

class TimeBar : public BC_SubWindow
{
public:
        TimeBar(MWindow *mwindow, 
                BC_WindowBase *gui,
                int x, 
                int y,
                int w,
                int h);
        virtual ~TimeBar();

        int create_objects();
        int update_defaults();
        int button_press_event();
        int button_release_event();
        int cursor_motion_event();
        int repeat_event(int64_t duration);

        LabelEdit *label_edit;

// Synchronize label, in/out, presentation display with master EDL
        void update(int do_range = 1, int do_others = 1);
        virtual void draw_time();
// Called by update and draw_time.
        virtual void draw_range();
        virtual void select_label(double position);
        virtual void stop_playback();
        virtual EDL* get_edl();
        virtual int test_preview(int buttonpress);
        virtual void update_preview();
        virtual int64_t position_to_pixel(double position);
        int move_preview(int &redraw);


        void update_labels();
        void update_points();
        void update_presentations();
// Make sure widgets are highlighted according to selection status
        void update_highlights();
// Update highlight cursor during a drag
        void update_cursor();

// ================================= file operations

        int save(FileXML *xml);
        int load(FileXML *xml, int undo_type);

        int delete_project();        // clear timebar of labels

        int draw();                  // draw everything over
        int samplemovement();
        int refresh_labels();

// ========================================= editing

        int select_region(double position);
        void get_edl_length();

        MWindow *mwindow;
        BC_WindowBase *gui;
        int flip_vertical(int w, int h);
        int delete_arrows();    // for flipping vertical

// Operation started by a buttonpress
        int current_operation;


private:
        int get_preview_pixels(int &x1, int &x2);
        int draw_bevel();
        ArrayList<LabelGUI*> labels;
        InPointGUI *in_point;
        OutPointGUI *out_point;
        ArrayList<PresentationGUI*> presentations;


// Records for dragging operations
        double start_position;
        double starting_start_position;
        double starting_end_position;
        double time_per_pixel;
        double edl_length;
        int start_cursor_x;
};


#endif

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