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// forms.C
// Forms library compatability functions.
// Many more functions are defined as inlines in forms.h!
#include <FL/forms.H>
#include <stdlib.h>
char fl_flip = 2;
void fl_end_form() {
while (Fl_Group::current()) Fl_Group::current()->forms_end();
}
void Fl_Group::forms_end() {
// set the dimensions of a group to surround contents
if (children() && !w()) {
Fl_Widget*const* a = array();
Fl_Widget* o = *a++;
int rx = o->x();
int ry = o->y();
int rw = rx+o->w();
int rh = ry+o->h();
for (int i=children_-1; i--;) {
o = *a++;
if (o->x() < rx) rx = o->x();
if (o->y() < ry) ry = o->y();
if (o->x()+o->w() > rw) rw = o->x()+o->w();
if (o->y()+o->h() > rh) rh = o->y()+o->h();
}
x(rx);
y(ry);
w(rw-rx);
h(rh-ry);
}
// flip all the children's coordinate systems:
if (fl_flip) {
Fl_Widget* o = (type()>=FL_WINDOW) ? this : window();
int Y = o->h();
Fl_Widget*const* a = array();
for (int i=children(); i--;) {
Fl_Widget* o = *a++;
int newy = Y-o->y()-o->h();
o->y(newy);
}
}
end();
}
static int initargc;
static char **initargv;
void fl_initialize(int *argc, char **argv, const char *, FL_CMD_OPT *, int) {
initargc = *argc;
initargv = new char*[*argc+1];
int i,j;
for (i=0; i<=*argc; i++) initargv[i] = argv[i];
for (i=j=1; i<*argc; ) {
if (Fl::arg(*argc,argv,i));
else argv[j++] = argv[i++];
}
argv[j] = 0;
*argc = j;
if (fl_flip==2) fl_flip = 0;
}
char fl_modal_next; // set by fl_freeze_forms()
void fl_show_form(Fl_Window *f,int place,int b,const char *n) {
Fl::enable_symbols();
f->label(n);
if (!b) f->clear_border();
if (fl_modal_next || b==FL_TRANSIENT) {f->set_modal(); fl_modal_next = 0;}
if (place & FL_PLACE_MOUSE) f->hotspot(f);
if (place & FL_PLACE_CENTER)
f->position((Fl::w()-f->w())/2, (Fl::h()-f->h())/2);
if (place & FL_PLACE_FULLSCREEN)
f->fullscreen();
if (place & (FL_PLACE_POSITION | FL_PLACE_GEOMETRY))
f->position(
(f->x() < 0) ? Fl::w()-f->w()+f->x()-1 : f->x(),
(f->y() < 0) ? Fl::h()-f->h()+f->y()-1 : f->y());
// if (place & FL_PLACE_ASPECT) {
// this is not yet implemented
// it can be done by setting size_range().
if (place == FL_PLACE_FREE || place == FL_PLACE_SIZE)
f->free_position();
if (place == FL_PLACE_FREE || place & FL_FREE_SIZE)
if (!f->resizable()) f->resizable(f);
if (initargc) {f->show(initargc,initargv); initargc = 0;}
else f->show();
}
Fl_Widget *fl_do_forms(void) {
Fl_Widget *obj;
while (!(obj = Fl::readqueue())) if (!Fl::wait()) exit(0);
return obj;
}
Fl_Widget *fl_check_forms() {
Fl::check();
return Fl::readqueue();
}
void fl_set_graphics_mode(int /*r*/,int /*d*/) {}
void Fl_FormsText::draw() {
draw_box();
align(align()|FL_ALIGN_INSIDE); // questionable method of compatability
draw_label();
}
// Create a forms button by selecting correct fltk subclass:
#include <FL/Fl_Return_Button.H>
#include <FL/Fl_Repeat_Button.H>
Fl_Button *fl_add_button(uchar t,int x,int y,int w,int h,const char *l) {
Fl_Button *b;
switch (t) {
case FL_RETURN_BUTTON:
case FL_HIDDEN_RET_BUTTON:
b = new Fl_Return_Button(x,y,w,h,l);
break;
case FL_TOUCH_BUTTON:
b = new Fl_Repeat_Button(x,y,w,h,l);
break;
default:
b = new Fl_Button(x,y,w,h,l);
}
switch (t) {
case FL_TOGGLE_BUTTON:
case FL_RADIO_BUTTON:
b->type(t);
break;
case FL_HIDDEN_BUTTON:
case FL_HIDDEN_RET_BUTTON:
b->type(FL_HIDDEN_BUTTON);
break;
case FL_INOUT_BUTTON:
b->when(FL_WHEN_CHANGED);
break;
}
return b;
}
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