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/*======================================================================*/
/*= CHANGES AND UPDATES =*/
/*======================================================================*/
/*= date person file subject =*/
/*=--------------------------------------------------------------------=*/
/*= =*/
/*= 060794 hua multi_dial.hc created =*/
/*= =*/
/*======================================================================*/
#include "multi_dial.h"
#include "masks.h"
#define font "-misc-*-*-*-*-*-*-*-*-*-*-*-*-*"
#define line_dy 20
multi_dial::multi_dial (char name [],
char buttons [],
bool used_history)
{init;
pharse_params;
open_w;
init_values;
perhaps_load;
open_dials;
. init
{is_history = used_history;
strcpy (title, name);
}.
. init_values
{for (int i = 0; i < num_buttons; i++)
values [i] = true;
}.
. perhaps_load
{if (is_history)
load (name);
}.
. open_w
{w = new win (title, "", by_fix, by_fix,
max_b_title_dx + 44,
num_buttons * line_dy + 24);
background (w);
}.
. open_dials
{for (int i = 0; i < num_buttons; i++)
d_buttons [i] = new dial (w,
b_title [i],
max_b_title_dx + 12,
12, i * line_dy + 14,
values [i]);
}.
. pharse_params
{int p = 0;
XFontStruct *font_info;
Display *display;
num_buttons = 0;
max_b_title_dx = 0;
open_font_info;
while (get_cmd (buttons, p, act_title))
{grab_button;
};
close_font_info;
}.
. open_font_info
{char name [128];
strcpy (name, getenv ("DISPLAY"));
display = XOpenDisplay (name);
font_info = XLoadQueryFont (display, font);
}.
. close_font_info
{XFreeFont (display, font_info);
XCloseDisplay (display);
}.
. grab_button
{max_b_title_dx = i_max (max_b_title_dx, title_length);
num_buttons++;
}.
. title_length
XTextWidth (font_info, act_title, strlen (act_title)).
. act_title
b_title [num_buttons].
}
multi_dial::~multi_dial ()
{if (is_history)
save (title);
for (int i = 0; i < num_buttons; i++)
delete (d_buttons [i]);
delete (w);
}
void multi_dial::save (char name [])
{FILE *f;
open_f;
write_values;
fclose (f);
. open_f
{f = fopen (complete (name, ".mulopt"), "w");
}.
. write_values
{for (int i = 0; i < num_buttons; i++)
fprintf (f, "%d\n", values [i]);
}.
}
void multi_dial::load (char name [])
{FILE *f;
bool exists;
if (open_f)
perform_load;
. perform_load
{read_values;
fclose (f);
}.
. open_f
(f = fopen (complete (name, ".mulopt"), "r")) != NULL.
. read_values
{for (int i = 0; i < num_buttons; i++)
fscanf (f, "%d", &values [i]);
}.
}
bool multi_dial::eval ()
{bool anything = false;
w->mark_mouse ();
for (int i = 0; i < num_buttons; i++)
anything |= d_buttons [i]->eval (values [i]);
w->scratch_mouse ();
return anything;
}
bool multi_dial::pressed (int bno)
{return values [bno];
}
void multi_dial::press (int bno, bool mode)
{values [bno] = mode;
eval ();
}
bool multi_dial::get_cmd (char cmds [], int &p, char cmd [])
{if (eof)
return false;
else read_cmd;
return true;
. read_cmd
{int c = 0;
bool skip_mode = false;
skip_icon_symbol;
while (cmd_char != ':' && ! eof)
{handle_skip_mode;
store_char;
p++;
};
cmd [c] = 0;
p++;
}.
. handle_skip_mode
{if (cmd_char == ';')
switch_skip_mode;
}.
. store_char
{if (! skip_mode)
cmd [c++] = cmd_char;
}.
. switch_skip_mode
{skip_mode = ! skip_mode;
p++;
}.
. skip_icon_symbol
if (cmd_char == '$' || cmd_char == '&')
p++.
. eof
(p >= strlen (cmds)).
. cmd_char
cmds [p].
}
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