status
RedrawAreaButton(Button b, Area a)
{ int x, y, w, h;
int defb;
int rm = 0; /* right-margin */
PceWindow sw;
int kbf; /* Button has keyboard focus */
int obhf; /* Other button has focus */
int focus;
int swapbg = FALSE;
int up;
int flags = 0;
Elevation z;
if ( b->look == NAME_winMenuBar ||
b->look == NAME_gtkMenuBar )
return RedrawMenuBarButton(b, a);
if ( b->active == OFF )
flags |= LABEL_INACTIVE;
up = (b->status == NAME_active || b->status == NAME_inactive);
defb = (b->default_button == ON);
initialiseDeviceGraphical(b, &x, &y, &w, &h);
NormaliseArea(x, y, w, h);
if ( (sw = getWindowGraphical((Graphical)b)) )
{ kbf = (sw->keyboard_focus == (Graphical) b);
obhf = (!kbf && instanceOfObject(sw->keyboard_focus, ClassButton));
focus = (sw->input_focus == ON);
} else
kbf = obhf = focus = FALSE; /* should not happen */
if ( !ws_draw_button_face((DialogItem)b,
x, y, w, h,
up, defb, kbf && focus) )
draw_generic_button_face(b, x, y, w, h, up, defb, kbf && focus);
if ( b->look == NAME_openLook && b->status == NAME_preview &&
!((z = getClassVariableValueObject(b, NAME_elevation)) && notNil(z)) )
{ swapbg = TRUE;
r_swap_background_and_foreground();
}
if ( notNil(b->popup) && !instanceOfObject(b->label, ClassImage) )
rm = draw_button_popup_indicator(b, x, y, w, h, up);
RedrawLabelDialogItem(b, accelerator_code(b->accelerator),
x, y, w-rm, h,
NAME_center, NAME_center, flags);
if ( swapbg )
r_swap_background_and_foreground();
return RedrawAreaGraphical(b, a);
}
static status
RedrawMenuBarButton(Button b, Area a)
{ int x, y, w, h;
Any ofg = NIL;
int flags = 0;
initialiseDeviceGraphical(b, &x, &y, &w, &h);
NormaliseArea(x, y, w, h);
if ( b->status == NAME_preview )
{ Elevation e;
if ( b->look == NAME_gtkMenuBar &&
(e = getClassVariableValueObject(b, NAME_previewElevation)) &&
notNil(e) )
{ r_3d_box(x, y, w, h, 0, e, TRUE);
} else /* if ( b->look == NAME_winMenuBar ) */
{ Any fg = getClassVariableValueObject(b, NAME_selectedForeground);
Any bg = getClassVariableValueObject(b, NAME_selectedBackground);
if ( !fg ) fg = WHITE_COLOUR;
if ( !bg ) bg = BLACK_COLOUR;
r_fill(x, y, w, h, bg);
ofg = r_colour(fg);
}
}
if ( b->active == OFF )
flags |= LABEL_INACTIVE;
RedrawLabelDialogItem(b, accelerator_code(b->accelerator),
x, y, w, h,
NAME_center, NAME_center, flags);
if ( notNil(ofg) )
r_colour(ofg);
succeed;
}
static status
RedrawAreaTextItem(TextItem ti, Area a)
{ int x, y, w, h;
int al, av, am;
int lw, lh;
int fw = valInt(getExFont(ti->value_text->font));
Elevation z = getClassVariableValueObject(ti, NAME_elevation);
int tx, ty, tw, th;
TextObj vt = ti->value_text;
int flags = 0;
initialiseDeviceGraphical(ti, &x, &y, &w, &h);
al = valInt(getAscentFont(ti->label_font));
av = valInt(getAscentFont(vt->font)) + valInt(vt->border);
am = max(al, av);
compute_label_text_item(ti, &lw, &lh);
if ( ti->show_label == ON )
{ RedrawLabelDialogItem(ti,
accelerator_code(ti->accelerator),
x, y+am-al, lw-fw, h,
ti->label_format, NAME_top,
ti->active == ON ? 0 : LABEL_INACTIVE);
}
tx = x+lw;
ty = y+am-av;
tw = valInt(vt->area->w);
th = valInt(vt->area->h);
if ( ti->editable == ON && ti->active == ON )
flags |= TEXTFIELD_EDITABLE;
flags |= combo_flags(ti);
if ( !ws_entry_field(tx, ty, tw+text_item_combo_width(ti), th, flags) )
{ if ( flags & TEXTFIELD_EDITABLE )
{ if ( z && notNil(z) )
{ int zh = abs(valInt(z->height));
int ly = y+am+zh+valInt(getDescentFont(vt->font));
r_3d_line(x+lw, ly, x+lw+tw, ly, z, TRUE);
} else if ( ti->pen != ZERO )
{ int pen = valInt(ti->pen);
int ly = y+am+1+pen/2;
r_dash(ti->texture);
r_thickness(valInt(ti->pen));
r_line(x+lw, ly, x+lw+tw, ly);
}
}
if ( flags & (TEXTFIELD_COMBO|TEXTFIELD_COMBO_DOWN) )
{ int trh = 8;
int trw = 9;
int trx, try;
int up = (flags & TEXTFIELD_COMBO) ? TRUE : FALSE;
trx = tx+tw+5;
try = y + (h-trh)/2;
r_3d_triangle(trx+trw/2, try+trh, trx, try, trx+trw, try, z, up, 0x3);
}
if ( flags & TEXTFIELD_STEPPER )
{ int sw = STEPPER_BOX_W;
int bx = x+w-sw;
int bh = (h+1)/2;
int iw, ih, ix, dy;
Elevation e = getClassVariableValueClass(ClassButton, NAME_elevation);
r_3d_box(bx, y, sw, bh, 0, e, !(flags & TEXTFIELD_INCREMENT));
r_3d_box(bx, y+bh, sw, h-bh, 0, e, !(flags & TEXTFIELD_DECREMENT));
iw = valInt(INT_ITEM_IMAGE->size->w)/2;
ih = valInt(INT_ITEM_IMAGE->size->h);
ix = x + w - (sw+iw+1)/2;
dy = (bh-ih+1)/2;
r_image(INT_ITEM_IMAGE, 0, 0, ix, y+dy, iw, ih, ON);
r_image(INT_ITEM_IMAGE, iw, 0, ix, y+h-dy-ih, iw, ih, ON);
}
}
static status
RedrawAreaSlider(Slider s, Area a)
{ int x, y, w, h;
int ny, vx, vy, lx, ly, sx, sy, hx, hy;
int vv;
int bw = (s->look == NAME_x ? BAR_WIDTH : OL_BOX_WIDTH);
float lv = convert_value(s->low);
float hv = convert_value(s->high);
float dv = convert_value(s->displayed_value);
int lflags = (s->active == ON ? 0 : LABEL_INACTIVE);
if ( dv < lv )
dv = lv;
else if ( dv > hv )
dv = hv;
if ( hv > lv )
vv = rfloat(((float) (valInt(s->width) - bw) * (dv - lv)) / (hv - lv));
else
vv = 0;
initialiseDeviceGraphical(s, &x, &y, &w, &h);
NormaliseArea(x, y, w, h);
r_thickness(valInt(s->pen));
r_dash(s->texture);
compute_slider(s, &ny, &vx, &vy, &lx, &ly, &sx, &sy, &hx, &hy);
r_clear(x, y, w, h);
if ( s->show_label == ON )
{ int ex = valInt(getExFont(s->label_font));
RedrawLabelDialogItem(s,
accelerator_code(s->accelerator),
x, y+ny, vx-ex, 0,
s->label_format, NAME_top,
lflags);
}
if ( s->look == NAME_motif )
{ int by = y+sy+(SLIDER_HEIGHT-OL_BAR_HEIGHT)/2;
int ex = x + sx + valInt(s->width);
Elevation z = getClassVariableValueObject(s, NAME_elevation);
r_3d_box(x+sx, by, vv, OL_BAR_HEIGHT, 0, z, FALSE);
r_3d_box(x+sx+vv+bw, by, ex-(x+sx+vv+bw), OL_BAR_HEIGHT, 0, z, FALSE);
r_3d_box(x+sx+vv, y+sy, bw, SLIDER_HEIGHT, 0, z, TRUE);
} else if ( s->look == NAME_openLook )
{ int by = y+sy+(SLIDER_HEIGHT-OL_BAR_HEIGHT)/2;
int ly2 = by+OL_BAR_HEIGHT-1;
int ex = x + sx + valInt(s->width);
r_fill(x+sx, by+1, 1, OL_BAR_HEIGHT-2, BLACK_IMAGE);
r_fill(x+sx+1, by, vv-2, OL_BAR_HEIGHT, BLACK_IMAGE);
r_line(x+sx+1+vv+bw, by, ex-2, by);
r_line(x+sx+1+vv+bw, ly2, ex-2, ly2);
r_line(ex-1, by+1, ex-1, ly2-1);
r_shadow_box(x+sx+vv, y+sy, bw, SLIDER_HEIGHT, 0, 1, NIL);
} else
{ r_fill(x+sx, y+sy, vv, SLIDER_HEIGHT, GREY50_IMAGE);
r_box(x+sx, y+sy, valInt(s->width), SLIDER_HEIGHT, 0, NIL);
r_fill(x+sx+vv, y+sy, bw, SLIDER_HEIGHT, BLACK_IMAGE);
}
if ( s->show_value == ON )
{ char buf[100];
string str;
buf[0] = '[';
format_value(s, &buf[1], s->displayed_value);
strcat(buf, "]");
str_set_ascii(&str, buf);
str_label(&str, 0, s->value_font,
x+vx, y+vy, 0, 0, NAME_left, NAME_top, lflags);
format_value(s, buf, s->low);
str_set_ascii(&str, buf);
str_label(&str, 0, s->value_font,
x+lx, y+ly, 0, 0, NAME_left, NAME_top, lflags);
format_value(s, buf, s->high);
str_set_ascii(&str, buf);
str_label(&str, 0, s->value_font,
x+hx, y+hy, 0, 0, NAME_left, NAME_top, lflags);
}
return RedrawAreaGraphical(s, a);
}
