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- //
- // "$Id: fl_labeltype.cxx,v 1.6 1999/01/07 19:17:40 mike Exp $"
- //
- // Label drawing routines for the Fast Light Tool Kit (FLTK).
- //
- // Copyright 1998-1999 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@easysw.com".
- //
-
- // 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>
-
- 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);
- fl_draw(o->value, X, Y, W, H, align);
- }
-
- void
- fl_normal_measure(const Fl_Label* o, int& W, int& H) {
- fl_font(o->font, o->size);
- fl_measure(o->value, W, H);
- }
-
- #define MAX_LABELTYPE 16
-
- static Fl_Label_Draw_F* table[MAX_LABELTYPE] = {
- fl_normal_label,
- fl_no_label,
- fl_normal_label, // _FL_SYMBOL_LABEL,
- fl_normal_label, // _FL_SHADOW_LABEL,
- fl_normal_label, // _FL_ENGRAVED_LABEL,
- fl_normal_label, // _FL_EMBOSSED_LABEL,
- fl_no_label, // _FL_BITMAP_LABEL,
- fl_no_label, // _FL_PIXMAP_LABEL,
- fl_no_label, // _FL_IMAGE_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,
- };
-
- 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) return;
- table[type](this, X, Y, W, H, align);
- }
-
- void Fl_Label::measure(int& W, int& H) const {
- if (!value) 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:
- extern char fl_draw_shortcut;
- 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 = inactive((Fl_Color)l1.color);
- 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 1999/01/07 19:17:40 mike Exp $".
- //
-