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/*======================================================================*/
/*= CHANGES AND UPDATES =*/
/*======================================================================*/
/*= date person file subject =*/
/*=--------------------------------------------------------------------=*/
/*= =*/
/*= 070793 hua buttons.hc created =*/
/*= =*/
/*======================================================================*/
#include "buttons.h"
#include "win.h"
button::button (win *b_w,
char b_label [],
int b_x,
int b_y,
bool b_with_repeat,
int b_dx,
int b_dy,
int b_dx_border,
int b_dy_border,
int b_label_color,
char b_label_font [])
{init_status;
calc_font;
perhaps_calc_size;
get_background;
show_button;
. get_background
{
/*
w->store_map (background, x, y, dx, dy);
*/
}.
. show_button
write (label).
. init_status
{strcpy (label, b_label);
w = b_w;
x = b_x;
y = b_y;
dx = b_dx;
dy = b_dy;
dx_border = win_default_i (b_dx_border, "button_border_dx");
dy_border = win_default_i (b_dy_border, "button_border_dy");
border_color_light = win_default_c ("button_border_light");
border_color_dark = win_default_c ("button_border_dark");
button_color = win_default_c ("button_background");
label_color = win_default_c (b_label_color, "button_foreground");
with_repeat = b_with_repeat;
is_pressed = false;
strcpy (button_dir, win_default_s ("button_dir"));
}.
. calc_font
{if (b_label_font == NULL)
strcpy (label_font, default_button_font);
else strcpy (label_font, b_label_font);
/*
w->set_font (label_font);
*/
}.
. perhaps_calc_size
if (dx == by_default || dy == by_default)
calc_size.
. calc_size
if (is_text_menu)
calc_text_dim
else calc_icon_dim.
. is_text_menu
(label [0] != '$' && label [0] != '/').
. calc_icon_dim
{char button_name [128];
calc_button_name;
bitmap_size (button_name, dx, dy);
dx += 2 * dx_border;
dy += 2 * dy_border;
x_label = x + dx_border;
y_label = y + dy_border;
is_icon = true;
}.
. calc_button_name
{if (label [0] == '/')
sprintf (button_name, "%s/%s", button_dir, &label [1]);
else strcpy (button_name, &label [1]);
}.
. calc_text_dim
{int label_dx;
int label_dy;
is_icon = false;
w->text_size (label, label_dx, label_dy);
dx = label_dx + 2 * dx_border + 10;
dy = label_dy + 2 * dy_border + 10;
x_label = x+dx_border+(((dx-2*dx_border)-label_dx)/2);
y_label = y+dy_border+label_dy+(((dy-2*dy_border)-label_dy)/2);
}.
}
button::~button ()
{
/*
w->show_map (x, y, background, dx, dy);
w->delete_map (background);
*/
w->tick ();
}
void button::press ()
{press (! is_pressed);
}
void button::press (bool mode)
{is_pressed = mode;
write (label, is_pressed);
}
bool button::eval ()
{int d;
return eval (d);
}
bool button::eval (int &button)
{int d;
int xe;
int ye;
int but;
bool is_mouse;
w->tick ();
skip_release_events;
is_mouse = w->is_mouse (xe, ye, button);
perhaps_grab_event;
perhaps_no_repeat;
return (is_mouse && at_button) ||
(with_repeat && w->mouse_is_pressed (0) && at_button);
. perhaps_grab_event
{if (is_mouse && at_button)
w->mouse (xe, ye, button);
}.
. at_button
(x < xe && xe < x + dx && y < ye && ye < y + dy).
. perhaps_no_repeat
if (is_mouse && at_button && ! with_repeat)
skip_input.
. skip_input
{w->tick ();
while (w->mouse (d, d, but))
{w->tick ();
};
}.
. skip_release_events
{while (w->is_mouse (xe, ye, but) && at_button && is_release)
w->mouse (xe, ye, but);
}.
. is_release
(but == button1release ||
but == button2release ||
but == button3release).
}
void button::write (char label_string [])
{strcpy (label, label_string);
write (label, is_pressed);
}
void button::write (char label [], bool is_pressed)
{draw_border;
if (is_icon)
write_icon
else write_text;
w->tick ();
. draw_border
{w->function (GXcopy);
if (is_pressed)
pressed_border
else none_pressed_border;
}.
. pressed_border
{clear;
for (int i = 0; i < dx_border; i++)
draw_pressed_line;
}.
. draw_pressed_line
{if (i <= dx_border / 2)
w->set_color (black);
else w->set_color (border_color_light);
w->line ( x+i, y + i, xe - i, y + i);
w->line ( x+i, y + i, x + i, ye - i);
if (i <= dx_border / 2)
w->set_color (black);
else w->set_color (border_color_dark);
w->line (x + i, ye - i, xe - i, ye - i);
w->line (xe - i, y + i, xe - i, ye - i);
}.
. none_pressed_border
{clear;
for (int i = 0; i < dx_border; i++)
draw_released_line;
}.
. draw_released_line
{w->set_color (border_color_light);
w->line ( x+i, y + i, xe - i, y + i);
w->line ( x+i, y + i, x + i, ye - i);
w->set_color (border_color_dark);
w->line (x + i, ye - i, xe - i, ye - i);
w->line (xe - i, y + i, xe - i, ye - i);
}.
. clear
{w->set_color (button_color);
w->fill (x, y, dx, dy);
}.
. write_icon
{char button_name [128];
calc_button_name;
w->set_background (button_color);
w->set_color (label_color);
w->show_map (x_label, y_label, button_name);
}.
. calc_button_name
{if (label [0] == '/')
sprintf (button_name, "%s/%s", button_dir, &label [1]);
else strcpy (button_name, &label [1]);
}.
. write_text
{w->function (GXcopy);
w->set_background (button_color);
w->set_color (label_color);
w->write (x_label, y_label, label);
w->tick ();
}.
. xe x + dx.
. ye y + dy.
}
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