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//
// "$Id: fl_labeltype.cxx,v 1.6.2.3.2.4 2001/10/29 03:44:33 easysw Exp $"
//
// Label drawing routines for the Fast Light Tool Kit (FLTK).
//
// Copyright 1998-2001 by Bill Spitzak and others.
//
// This library is free software; you can redistribute it and/or
// modify it under the terms of the GNU Library General Public
// License as published by the Free Software Foundation; either
// version 2 of the License, or (at your option) any later version.
//
// This library is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
// Library General Public License for more details.
//
// You should have received a copy of the GNU Library General Public
// License along with this library; if not, write to the Free Software
// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
// USA.
//
// Please report all bugs and problems to "fltk-bugs@fltk.org".
//
// Drawing code for the (one) common label types.
// Other label types (symbols) are in their own source files
// to avoid linking if not used.
#include <FL/Fl.H>
#include <FL/Fl_Widget.H>
#include <FL/Fl_Group.H>
#include <FL/fl_draw.H>
#include <FL/Fl_Image.H>
void
fl_no_label(const Fl_Label*,int,int,int,int,Fl_Align) {}
void
fl_normal_label(const Fl_Label* o, int X, int Y, int W, int H, Fl_Align align)
{
fl_font(o->font, o->size);
fl_color((Fl_Color)o->color);
if (o->image) {
if (align & FL_ALIGN_TEXT_OVER_IMAGE) {
fl_draw(o->value, X, Y, W, H, align, o->image);
} else {
fl_draw(o->value, X, Y, W, H, align, o->image);
}
}
else {
fl_draw(o->value, X, Y, W, H, align, o->image);
}
}
void
fl_normal_measure(const Fl_Label* o, int& W, int& H) {
fl_font(o->font, o->size);
fl_measure(o->value, W, H);
if (o->image) {
if (o->image->w() > W) W = o->image->w();
H += o->image->h();
}
}
#define MAX_LABELTYPE 16
static Fl_Label_Draw_F* table[MAX_LABELTYPE] = {
fl_normal_label,
fl_no_label,
fl_normal_label, // _FL_SHADOW_LABEL,
fl_normal_label, // _FL_ENGRAVED_LABEL,
fl_normal_label, // _FL_EMBOSSED_LABEL,
fl_no_label, // _FL_MULTI_LABEL,
fl_no_label, // _FL_ICON_LABEL,
// FL_FREE_LABELTYPE+n:
fl_no_label, fl_no_label, fl_no_label,
fl_no_label, fl_no_label, fl_no_label,
fl_no_label, fl_no_label, fl_no_label
};
static Fl_Label_Measure_F* measure[MAX_LABELTYPE];
void Fl::set_labeltype(Fl_Labeltype t,Fl_Label_Draw_F* f,Fl_Label_Measure_F*m)
{
table[t] = f; measure[t] = m;
}
////////////////////////////////////////////////////////////////
// draw label with arbitrary alignment in arbitrary box:
void Fl_Label::draw(int X, int Y, int W, int H, Fl_Align align) const {
if (!value && !image) return;
table[type](this, X, Y, W, H, align);
}
void Fl_Label::measure(int& W, int& H) const {
if (!value && !image) {
W = H = 0;
return;
}
Fl_Label_Measure_F* f = ::measure[type]; if (!f) f = fl_normal_measure;
f(this, W, H);
}
// The normal call for a draw() method:
void Fl_Widget::draw_label() const {
int X = x_+Fl::box_dx(box());
int W = w_-Fl::box_dw(box());
if (W > 11 && align()&(FL_ALIGN_LEFT|FL_ALIGN_RIGHT)) {X += 3; W -= 6;}
draw_label(X, y_+Fl::box_dy(box()), W, h_-Fl::box_dh(box()));
}
// draw() can use this instead to change the bounding box:
void Fl_Widget::draw_label(int X, int Y, int W, int H) const {
// quit if we are not drawing a label inside the widget:
if ((align()&15) && !(align() & FL_ALIGN_INSIDE)) return;
draw_label(X,Y,W,H,align());
}
// Anybody can call this to force the label to draw anywhere:
void Fl_Widget::draw_label(int X, int Y, int W, int H, Fl_Align a) const {
if (flags()&SHORTCUT_LABEL) fl_draw_shortcut = 1;
Fl_Label l1 = label_;
if (!active_r()) {
l1.color = fl_inactive((Fl_Color)l1.color);
if (l1.deimage) l1.image = l1.deimage;
}
l1.draw(X,Y,W,H,a);
fl_draw_shortcut = 0;
}
// include these vars here so they can be referenced without including
// Fl_Input_ code:
#include <FL/Fl_Input_.H>
//
// End of "$Id: fl_labeltype.cxx,v 1.6.2.3.2.4 2001/10/29 03:44:33 easysw Exp $".
//
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