122 lines
3.7 KiB
C++
122 lines
3.7 KiB
C++
//
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// "$Id: fl_labeltype.cxx,v 1.6 1999/01/07 19:17:40 mike Exp $"
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//
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// Label drawing routines for the Fast Light Tool Kit (FLTK).
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//
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// Copyright 1998-1999 by Bill Spitzak and others.
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//
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// This library is free software; you can redistribute it and/or
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// modify it under the terms of the GNU Library General Public
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// License as published by the Free Software Foundation; either
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// version 2 of the License, or (at your option) any later version.
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//
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// This library is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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// Library General Public License for more details.
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//
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// You should have received a copy of the GNU Library General Public
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// License along with this library; if not, write to the Free Software
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// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
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// USA.
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//
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// Please report all bugs and problems to "fltk-bugs@easysw.com".
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//
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// Drawing code for the (one) common label types.
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// Other label types (symbols) are in their own source files
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// to avoid linking if not used.
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#include <FL/Fl.H>
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#include <FL/Fl_Widget.H>
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#include <FL/Fl_Group.H>
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#include <FL/fl_draw.H>
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void
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fl_no_label(const Fl_Label*,int,int,int,int,Fl_Align) {}
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void
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fl_normal_label(const Fl_Label* o, int X, int Y, int W, int H, Fl_Align align)
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{
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fl_font(o->font, o->size);
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fl_color((Fl_Color)o->color);
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fl_draw(o->value, X, Y, W, H, align);
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}
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void
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fl_normal_measure(const Fl_Label* o, int& W, int& H) {
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fl_font(o->font, o->size);
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fl_measure(o->value, W, H);
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}
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#define MAX_LABELTYPE 16
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static Fl_Label_Draw_F* table[MAX_LABELTYPE] = {
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fl_normal_label,
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fl_no_label,
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fl_normal_label, // _FL_SYMBOL_LABEL,
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fl_normal_label, // _FL_SHADOW_LABEL,
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fl_normal_label, // _FL_ENGRAVED_LABEL,
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fl_normal_label, // _FL_EMBOSSED_LABEL,
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fl_no_label, // _FL_BITMAP_LABEL,
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fl_no_label, // _FL_PIXMAP_LABEL,
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fl_no_label, // _FL_IMAGE_LABEL,
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// FL_FREE_LABELTYPE+n:
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fl_no_label, fl_no_label, fl_no_label,
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fl_no_label, fl_no_label, fl_no_label, fl_no_label,
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};
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static Fl_Label_Measure_F* measure[MAX_LABELTYPE];
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void Fl::set_labeltype(Fl_Labeltype t,Fl_Label_Draw_F* f,Fl_Label_Measure_F*m)
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{
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table[t] = f; measure[t] = m;
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}
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////////////////////////////////////////////////////////////////
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// draw label with arbitrary alignment in arbitrary box:
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void Fl_Label::draw(int X, int Y, int W, int H, Fl_Align align) const {
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if (!value) return;
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table[type](this, X, Y, W, H, align);
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}
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void Fl_Label::measure(int& W, int& H) const {
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if (!value) return;
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Fl_Label_Measure_F* f = ::measure[type]; if (!f) f = fl_normal_measure;
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f(this, W, H);
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}
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// The normal call for a draw() method:
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void Fl_Widget::draw_label() const {
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int X = x_+Fl::box_dx(box());
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int W = w_-Fl::box_dw(box());
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if (W > 11 && align()&(FL_ALIGN_LEFT|FL_ALIGN_RIGHT)) {X += 3; W -= 6;}
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draw_label(X, y_+Fl::box_dy(box()), W, h_-Fl::box_dh(box()));
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}
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// draw() can use this instead to change the bounding box:
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void Fl_Widget::draw_label(int X, int Y, int W, int H) const {
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// quit if we are not drawing a label inside the widget:
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if ((align()&15) && !(align() & FL_ALIGN_INSIDE)) return;
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draw_label(X,Y,W,H,align());
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}
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// Anybody can call this to force the label to draw anywhere:
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extern char fl_draw_shortcut;
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void Fl_Widget::draw_label(int X, int Y, int W, int H, Fl_Align a) const {
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if (flags()&SHORTCUT_LABEL) fl_draw_shortcut = 1;
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Fl_Label l1 = label_;
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if (!active_r()) l1.color = inactive((Fl_Color)l1.color);
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l1.draw(X,Y,W,H,a);
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fl_draw_shortcut = 0;
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}
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// include these vars here so they can be referenced without including
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// Fl_Input_ code:
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#include <FL/Fl_Input_.H>
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//
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// End of "$Id: fl_labeltype.cxx,v 1.6 1999/01/07 19:17:40 mike Exp $".
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//
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