src/gwave.h

   1
   2 /*
   3  * declarations and definitions for gwave - waveform viewer
   4  * Copyright 1998, 1999 Stephen G. Tell
   5  *
   6  * This program is free software; you can redistribute it and/or modify
   7  * it under the terms of the GNU General Public License as published by
   8  * the Free Software Foundation; either version 2 of the License, or
   9  * (at your option) any later version.
  10  *
  11  * This program is distributed in the hope that it will be useful,
  12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14  * GNU General Public License for more details.
  15  *
  16  * You should have received a copy of the GNU Library General Public
  17  * License along with this library; if not, write to the Free
  18  * Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
  19  *
  20  */
  21
  22 #ifndef GWAVE_H
  23 #define GWAVE_H
  24
  25 #ifndef SCWM_GUILE_H__
  26 #include <scwm_guile.h>
  27 #endif
  28
  29 #include <wavefile.h>
  30
  31 typedef struct _VBCursor VBCursor;
  32 typedef struct _SelRange SelRange;
  33 typedef struct _VisibleWave VisibleWave;
  34 typedef struct _WavePanel WavePanel;
  35 typedef struct _WaveTable WaveTable;
  36 typedef struct _GWDataFile GWDataFile;
  37 typedef struct _GWDnDData GWDnDData;
  38 typedef enum _GWMouseState GWMouseState;
  39 typedef struct _MeasureBtn MeasureBtn;
  40
  41
  42 /*
  43  * state of mouse for drag operations
  44  */
  45 enum _GWMouseState { M_NONE, M_CURSOR_DRAG,
  46                      M_SELRANGE_ARMED, M_SELRANGE_ACTIVE};
  47
  48 /* VBCursor - structure describing a vertical bar cursor */
  49 struct _VBCursor {
  50         int shown;      /* vertical bar cursor */
  51         double xval;
  52         char *color_name;
  53         GdkColor gdk_color;
  54         GdkGC *gdk_gc;
  55 };
  56
  57
  58 #define N_WTABLE_MBTNS 4
  59
  60 #define N_MOUSE_BUTTONS 6
  61
  62 /* rows of the WaveTable's ftable */
  63 #define WTABLE_FTR_TOOLBAR 0
  64 #define WTABLE_FTR_XMHBOX  1
  65 #define WTABLE_FTR_PTABLE  2
  66 #define WTABLE_FTR_BHBOX  3
  67 /*
  68  * WaveTable - structure describing
  69  *  all of the waveform-display panels and related elements
  70  */
  71 struct _WaveTable {
  72         int npanels;
  73         WavePanel **panels;
  74         GtkWidget *window; // formerly window_main
  75         GtkWidget *menubar;
  76         GtkWidget *var_list_submenu;
  77
  78         GtkWidget *ftable;      /* outer table framing most of the rest */
  79
  80         GtkWidget *toolbar;
  81         GtkWidget *xmeasure_hbox;  /* hbox with cursor measurements */
  82         MeasureBtn *cursor_mbtn[N_WTABLE_MBTNS];  /* someday: make this dynamic */
  83         GtkWidget *vswindow;    /* GtkSrolledWindow to hold panel table */
  84         GtkWidget *table;       /* scrolled table containing all panels */
  85
  86         GtkWidget *bot_vbox;
  87         GtkWidget *bot_hbox3;
  88         GtkWidget *xlhbox;      /* GtkHBox containing x-axis labels */
  89         GtkAdjustment *hsadj; // horizontal scrollbar
  90         GtkWidget *hsbar;
  91         GtkWidget *xlabel_left, *xlabel_right;
  92         GtkWidget *lab_xlogscale;
  93
  94         VBCursor *cursor[2];
  95         SelRange *srange;
  96         double min_xval;        /* minimum and maximum data x values, */
  97         double max_xval;        /* over all panels */
  98         double start_xval;      /* starting drawn x-value (independent var) */
  99         double end_xval;        /* ending drawn x-value */
 100         int suppress_redraw;    /* don't re-draw if 1 */
 101         int logx;       /* X axis scaling: 0=linear 1=log base 10 */
 102
 103         GtkWidget *popup_menu;
 104         WavePanel *popup_panel; /*panel cursor was in when panel-popup popped*/
 105         GWMouseState mstate;
 106         VBCursor *drag_cursor;
 107         int button_down;
 108         GtkTooltips *ttips;
 109 };
 110
 111 /*
 112  * structure sent as drag-and-drop-data for selecting waveforms.
 113  */
 114 struct _GWDnDData {
 115         int magic;
 116         WaveVar *dv;
 117 };
 118
 119 /* globals defined in gwave.c */
 120 extern char *prog_name;
 121 extern WaveTable *wtable;
 122 extern const int NWColors;
 123 extern int colors_initialized;
 124 extern char *bg_color_name;
 125 extern GdkColor bg_gdk_color;
 126 extern GdkGC *bg_gdk_gc;
 127 extern char *pg_color_name;
 128 extern GdkColor pg_gdk_color;
 129 extern GdkGC *pg_gdk_gc;
 130 extern char *hl_color_name;
 131 extern GdkColor hl_gdk_color;
 132 extern GdkGC *hl_gdk_gc;
 133 extern GdkColormap *win_colormap; /* colormap for main waveform window */
 134 extern void create_about_window();
 135 extern int v_flag;
 136 extern SCM scm_gwave_debug;
 137 #define gwave_debug SCM_NFALSEP(SCM_CDR(scm_gwave_debug))
 138
 139 /* defined in cmd.c */
 140 extern gint cmd_zoom_full(GtkWidget *widget);
 141 extern gint cmd_zoom_in(GtkWidget *widget);
 142 extern gint cmd_zoom_out(GtkWidget *widget);
 143 extern gint cmd_zoom_cursors(GtkWidget *widget);
 144 extern gint cmd_zoom_window(GtkWidget *widget);
 145 extern gint cmd_delete_selected_waves(GtkWidget *widget);
 146 extern void remove_wfile_waves(GWDataFile *wdata);
 147 extern void remove_wave_from_panel(WavePanel *wp, VisibleWave *vw);
 148 extern SCM add_var_to_panel(WavePanel *wp, WaveVar *dv);
 149 extern void wavepanel_update_data(WavePanel *wp);
 150 extern void wavetable_update_data();
 151 extern void update_wfile_waves(GWDataFile *wdata);
 152
 153 /* defined in draw.c */
 154 extern void vw_wp_visit_draw(VisibleWave *vw, WavePanel *wp);
 155 extern void draw_wavepanel(GtkWidget *widget, GdkEventExpose *event,
 156                            WavePanel *wp);
 157 extern void draw_labels(WaveTable *wt);
 158 extern double y2val(WavePanel *wp, int y);
 159 extern int val2y(WavePanel *wp, double val);
 160 extern double x2val(WavePanel *wp, int x, int log);
 161 extern int val2x(WavePanel *wp, double val, int log);
 162 extern char *val2txt(double val, int style);
 163 extern void alloc_colors(GtkWidget *widget);
 164 extern void setup_colors(WaveTable *wtable);
 165 extern void vw_wp_setup_gc(VisibleWave *vw, WavePanel *wp);
 166 extern SCM wtable_redraw_x();
 167
 168 /* defined in event.c */
 169 extern void draw_srange(SelRange *sr);
 170 extern gint button_press_handler(GtkWidget *widget, GdkEventButton *event,
 171                           gpointer data);
 172 extern gint button_release_handler(GtkWidget *widget, GdkEventButton *event,
 173                           gpointer data);
 174 extern gint motion_handler(GtkWidget *widget, GdkEventMotion *event,
 175                           gpointer data);
 176 extern gint scroll_handler(GtkWidget *widget);
 177 extern gint expose_handler(GtkWidget *widget, GdkEventExpose *ev,
 178                            WavePanel *wp);
 179 extern void destroy_handler(GtkWidget *widget, gpointer data);
 180 extern void wavepanel_dnd_drop (GtkWidget *button, GdkEvent *ev, gpointer d);
 181 extern void update_cursor(VBCursor *csp, double xval);
 182
 183 /* defined in pixmaps.c */
 184 extern char *drag_no_xpm[];
 185 extern char *wave_drag_ok_xpm[];
 186
 187 /* defined in wavelist.c */
 188 void cmd_show_wave_list(GtkWidget *widget, GWDataFile *wdata);
 189 extern GWDataFile *load_wave_file(char *name, char *type);
 190 extern void get_fname_load_file(GtkWidget *w, gpointer d);
 191 extern void reload_all_wave_files(GtkWidget *w);
 192
 193 extern char *possible_drag_types[];
 194 extern char *accepted_drop_types[];
 195 extern GList *wdata_list;  /* List of GWDataFile *'s */
 196 extern GtkTooltips *get_gwave_tooltips();
 197 extern SCM glist2scm(GList *list, SCM (*toscm)(void*));
 198
 199 #endif