static void
linewidth_area_draw (GtkWidget *linewidth_area)
{
GdkColor *win_bg;
GdkColor line;
int width, height;
int i;
int x_offs;
if (!linewidth_area_pixmap) /* we haven't gotten initial expose yet,
* no point in drawing anything */
return;
if (!linewidth_area_gc) {
linewidth_area_gc = gdk_gc_new (linewidth_area_pixmap);
gdk_gc_set_line_attributes(linewidth_area_gc, 1,
GDK_LINE_ON_OFF_DASH,
GDK_CAP_BUTT,
GDK_JOIN_MITER);
}
gdk_drawable_get_size (linewidth_area_pixmap, &width, &height);
win_bg = &(linewidth_area->style->bg[GTK_STATE_NORMAL]);
line = color_gdk_black;
gdk_gc_set_foreground (linewidth_area_gc, win_bg);
gdk_draw_rectangle (linewidth_area_pixmap, linewidth_area_gc, 1,
0, 0, width, height);
gdk_gc_set_foreground (linewidth_area_gc, &line);
for (i=0;i<=NUMLINES;i++) {
x_offs = X_OFFSET(i);
gdk_draw_rectangle (linewidth_area_pixmap, linewidth_area_gc, 1,
x_offs, 2, i, height-4);
}
if (active_linewidth != 0) {
gdk_draw_rectangle (linewidth_area_pixmap, linewidth_area_gc, 0,
X_OFFSET(active_linewidth)-2, 0,
active_linewidth+4, height-1);
}
gdk_draw_drawable (linewidth_area->window, linewidth_area_gc, linewidth_area_pixmap,
0, 0, 0, 0, width, height);
}
void lmt_compute_param_x(WYSIWYG *wn, int i, int32 *anchor_x, int32 *width)
{
int32 h, wr, left = 0, right = 0, x_center;
LAYOUT(wn) wo = lmt_off_to_abs(wn, X_REF, WIDTH_OFFSET(i)); /*wid offst */
h = lmt_off_to_abs(wn, X_REF, X_OFFSET(i)); /* horizontal offset */
wr = lmt_rel_to_abs(wn, 7, 4, &FRAME_DATA(i) rel_data);
/* i4 width relationship */
switch(LOCKPOINT(i)) /* the lock point */
{
case TL: /* 'x' = left */
case BL:
case CL:
case HL:
h += lmt_rel_to_abs(wn, 3, 0, &FRAME_DATA(i) rel_data);
/* offset + relationship */
left = h;
if (wr)
right = wr + LAYOUT(wn) wo;
else
right = h + LAYOUT(wn) wo;
*anchor_x = left;
break;
case TR: /* 'x' = right */
case BR:
case CR:
case HR:
h += lmt_rel_to_abs(wn, 4, 0, &FRAME_DATA(i) rel_data);
/* offset + relationship */
right = h;
if (wr)
left = wr + LAYOUT(wn) wo;
else
left = h - LAYOUT(wn) wo;
*anchor_x = right;
break;
case TC: /* 'x' = center */
case BC:
case CC:
case HC:
h += lmt_rel_to_abs(wn, 5, 0, &FRAME_DATA(i) rel_data);
/* offset + relationship */
x_center = h; /* x-center */
if (wr)
{
LAYOUT(wn) wo += wr;
LAYOUT(wn) wo -= h;
(LAYOUT(wn) wo < 0) ? (LAYOUT(wn) wo *= -2) : (LAYOUT(wn) wo *= 2);
}
left = (h - (LAYOUT(wn) wo / 2)); /* left */
right = (h + (LAYOUT(wn) wo / 2)); /* right */
*anchor_x = x_center;
break;
}
*width = right - left;
}
void lmt_compute_x(WYSIWYG *wn, int i)
{
int32 h, wr;
h = lmt_off_to_abs(wn, X_REF, X_OFFSET(i)); /* horizontal offset */
wr = lmt_rel_to_abs(wn, 7, 4, &FRAME_DATA(i) rel_data);
/* i4 width relationship */
switch(LOCKPOINT(i)) /* the lock point */
{
case TL: /* 'x' = left */
case BL:
case CL:
case HL:
h += lmt_rel_to_abs(wn, 3, 0, &FRAME_DATA(i) rel_data);
/* offset + relationship */
ELE_DATA(i) rot_rect_left = h; /* left */
if (wr) /* right */
ELE_DATA(i) rot_rect_right = wr + LAYOUT(wn) wo;
else
ELE_DATA(i) rot_rect_right = h + LAYOUT(wn) wo;
ELE_DATA(i) rot_rect_x_center = /* x-center */
(ELE_DATA(i) rot_rect_right + h) / 2;
break;
case TR: /* 'x' = right */
case BR:
case CR:
case HR:
h += lmt_rel_to_abs(wn, 4, 0, &FRAME_DATA(i) rel_data);
/* offset + relationship */
ELE_DATA(i) rot_rect_right = h; /* right */
if (wr) /* left */
ELE_DATA(i) rot_rect_left = wr + LAYOUT(wn) wo;
else
ELE_DATA(i) rot_rect_left = h - LAYOUT(wn) wo;
ELE_DATA(i) rot_rect_x_center = /* x-center */
(h + ELE_DATA(i) rot_rect_left) / 2;
break;
case TC: /* 'x' = center */
case BC:
case CC:
case HC:
h += lmt_rel_to_abs(wn, 5, 0, &FRAME_DATA(i) rel_data);
/* offset + relationship */
ELE_DATA(i) rot_rect_x_center = h; /* x-center */
if (wr)
{
LAYOUT(wn) wo += wr;
LAYOUT(wn) wo -= h;
(LAYOUT(wn) wo < 0) ? (LAYOUT(wn) wo *= -2) : (LAYOUT(wn) wo *= 2);
}
ELE_DATA(i) rot_rect_left = (h - (LAYOUT(wn) wo / 2)); /* left */
ELE_DATA(i) rot_rect_right = (h + (LAYOUT(wn) wo / 2)); /* right */
break;
}
}
static int
linewidth_area_target (int x, int y)
{
int i;
int x_offs;
for (i=1;i<=NUMLINES;i++) {
x_offs = X_OFFSET(i);
if ((x>=x_offs-PIXELS_BETWEEN_LINES/2) &&
(x<x_offs+i+PIXELS_BETWEEN_LINES/2))
return i;
}
return 0;
}
