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/*
* declarations and definitions for gwave - waveform viewer
* Steve Tell
*
* $Log: gwave.h,v $
* Revision 1.3 1998/09/30 21:50:41 tell
* Add stuff for dragging of cursors and zoom-to-window,
* and associated restructuring of zoom commands and mouse-button event handling
*
* Revision 1.2 1998/09/17 18:30:19 tell
* Lots of changes. multiple panels, multiple files, etc.
*
* Revision 1.1 1998/08/31 21:01:20 tell
* Initial revision
*
*/
#ifndef GWAVE_H
#define GWAVE_H
typedef struct _VBCursor VBCursor;
typedef struct _SelRange SelRange;
typedef struct _VisibleWave VisibleWave;
typedef struct _WavePanel WavePanel;
typedef struct _WaveTable WaveTable;
typedef struct _GWDataFile GWDataFile;
typedef struct _GWDnDData GWDnDData;
typedef enum _GWMouseState GWMouseState;
/*
* state of mouse for drag operations
*/
enum _GWMouseState { M_NONE, M_CURSOR_DRAG,
M_SELRANGE_ARMED, M_SELRANGE_ACTIVE};
/* VBCursor - structure describing a vertical bar cursor */
struct _VBCursor {
int shown; /* vertical bar cursor */
double xval;
char *color_name;
GdkColor gdk_color;
GdkGC *gdk_gc;
};
typedef void (*SRFunc)(WavePanel *wp, int x1, int x2, gpointer data);
/* selecting a portion of the X axis */
struct _SelRange {
int drawn;
WavePanel *wp;
GdkGC *gc;
GdkColor gdk_color;
int y;
int x1, x2;
SRFunc done_callback;
gpointer done_data;
};
/* VisibleWave -- a waveform and anciliary stuff needed to show it
* in a panel.
*/
struct _VisibleWave {
DVar *var;
GWDataFile *gdf;
int colorn;
GdkGC *gc;
GtkWidget *label;
GtkWidget *button;
};
/*
* WavePanel -- describes a single panel containing zero or more waveforms.
*/
struct _WavePanel {
GList *vwlist; /* list of waves shown in this panel. NULL if none */
double min_yval; /* min/max data x/y values over whole vwlist */
double max_yval;
double min_xval;
double max_xval;
/* starting and ending drawn x-value (independent var),
* copied from corresponding wtable values when we scroll/zoom,
* later we may allow individual panels to be "locked"
* from global scroll/zoom or otherwise controlled independently */
double start_xval;
double end_xval;
GtkWidget *lvbox; /* for Y-labels */
GtkWidget *lab_min, *lab_max;
GtkWidget *drawing; /* DrawingArea for waveforms */
GdkPixmap *pixmap;
int width, height;
int nextcolor; /* color to use for next added waveform */
};
/*
* WaveTable - structure describing
* all of the waveform-display panels and related elements
*/
struct _WaveTable {
int npanels;
WavePanel *panels;
GtkWidget *table;
VBCursor *cursor[2];
SelRange *srange;
double min_xval; /* minimum and maximum data x values, */
double max_xval; /* over all panels */
double start_xval; /* starting drawn x-value (independent var) */
double end_xval; /* ending drawn x-value */
int suppress_redraw; /* don't re-draw if 1 */
GWMouseState mstate;
VBCursor *drag_cursor;
int button_down;
};
/*
* Structure to hold data for a single loaded waveform file.
*/
struct _GWDataFile {
DataFile *df;
GtkWidget *wlist_win; /* window with scrolling variable list */
GtkWidget *menu_item; /* item in main window submenu */
char *ftag; /* short tag used to help identify which file is which */
};
/*
* structure sent as drag-and-drop-data for selecting waveforms.
*/
struct _GWDnDData {
DVar *dv;
};
/* globals defined in gwave.c */
extern char *prog_name;
extern GtkAdjustment *win_hsadj;
extern GtkWidget *win_main;
extern GtkWidget *win_hsbar;
extern GtkWidget *win_xlabel_left, *win_xlabel_right;
extern GtkWidget *win_status_label;
extern GtkWidget *var_list_submenu;
extern WaveTable *wtable;
extern const int NWColors;
extern int colors_initialized;
extern char *bg_color_name;
extern GdkColor bg_gdk_color;
extern GdkGC *bg_gdk_gc;
extern GdkColormap *win_colormap; /* colormap for main waveform window */
/* defined in cmd.c */
extern gint cmd_zoom_full(GtkWidget *widget);
extern gint cmd_zoom_in(GtkWidget *widget);
extern gint cmd_zoom_out(GtkWidget *widget);
extern gint cmd_zoom_cursors(GtkWidget *widget);
extern gint cmd_zoom_window(GtkWidget *widget);
extern gint cmd_delete_selected_waves(GtkWidget *widget);
extern void remove_wave_from_panel(WavePanel *wp, VisibleWave *vw);
extern void add_var_to_panel(WavePanel *wp, DVar *dv);
extern void wavepanel_update_data(WavePanel *wp);
extern void wavetable_update_data();
/* defined in draw.c */
extern void vw_wp_visit_draw(VisibleWave *vw, WavePanel *wp);
extern void draw_wavepanel(GtkWidget *widget, GdkEventExpose *event,
WavePanel *wp);
extern void draw_labels(void);
extern int val2y(double val, double top, double bot, int height);
extern double x2val(WavePanel *wp, int x);
extern int val2x(WavePanel *wp, double val);
extern char *val2txt(double val);
extern void alloc_colors(GtkWidget *widget);
extern void setup_colors(WaveTable *wtable);
extern void vw_wp_setup_gc(VisibleWave *vw, WavePanel *wp);
/* defined in event.c */
extern void draw_srange(SelRange *sr);
extern void select_x_range(SRFunc func, gpointer data);
extern gint button_press_handler(GtkWidget *widget, GdkEventButton *event,
gpointer data);
extern gint button_release_handler(GtkWidget *widget, GdkEventButton *event,
gpointer data);
extern gint motion_handler(GtkWidget *widget, GdkEventMotion *event,
gpointer data);
extern gint scroll_handler(GtkWidget *widget);
extern gint expose_handler(GtkWidget *widget, GdkEventExpose *ev,
WavePanel *wp);
extern void destroy_handler(GtkWidget *widget, gpointer data);
extern void wavepanel_dnd_drop (GtkWidget *button, GdkEvent *ev, gpointer d);
/* defined in pixmaps.c */
extern char *drag_no_xpm[];
extern char *wave_drag_ok_xpm[];
/* defined in wavelist.c */
void cmd_show_wave_list(GtkWidget *widget, GWDataFile *wdata);
extern int load_wave_file(char *name, char *type);
extern void get_fname_load_file(GtkWidget *w, gpointer d);
extern char *possible_drag_types[];
extern char *accepted_drop_types[];
extern GList *wdata_list; /* List of GWDataFile *'s */
/* defined in wavewin.c */
extern void create_wdata_submenuitem(GWDataFile *wdata, GtkWidget *submenu);
extern void setup_waveform_window();
extern void vw_get_label_string(char *buf, int buflen, VisibleWave *vw);
extern void vw_wp_create_button(VisibleWave *vw, WavePanel *wp);
#endif
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