128 lines
3.0 KiB
C++
128 lines
3.0 KiB
C++
/* demo of Fl::set_fonts() */
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#include <FL/Fl.H>
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#include <FL/Fl_Window.H>
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#include <FL/Fl_Hold_Browser.H>
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#include <FL/fl_draw.H>
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#include <FL/Fl_Box.H>
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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Fl_Window *form;
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Fl_Box *textobj;
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Fl_Hold_Browser *fontobj, *sizeobj;
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int *sizes[1000];
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int numsizes[1000];
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int pickedsize = 14;
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void font_cb(Fl_Widget *, long) {
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int fn = fontobj->value();
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if (!fn) return;
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fn--;
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textobj->labelfont(fn);
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sizeobj->clear();
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int n = numsizes[fn];
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int *s = sizes[fn];
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if (!n) {
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// no sizes
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} else if (s[0] == 0) {
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// many sizes;
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int j = 1;
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for (int i = 1; i<64 || i<s[n-1]; i++) {
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char buf[20];
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if (j < n && i==s[j]) {sprintf(buf,"@b%d",i); j++;}
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else sprintf(buf,"%d",i);
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sizeobj->add(buf);
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}
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sizeobj->value(pickedsize);
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} else {
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// some sizes
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int w = 0;
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for (int i = 0; i < n; i++) {
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if (s[i]<=pickedsize) w = i;
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char buf[20];
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sprintf(buf,"@b%d",s[i]);
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sizeobj->add(buf);
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}
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sizeobj->value(w+1);
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}
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textobj->redraw();
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}
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void size_cb(Fl_Widget *, long) {
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int i = sizeobj->value();
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if (!i) return;
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const char *c = sizeobj->text(i);
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while (*c < '0' || *c > '9') c++;
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pickedsize = atoi(c);
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textobj->labelsize(pickedsize);
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textobj->redraw();
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}
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char label[400];
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void create_the_forms() {
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form = new Fl_Window(550,370);
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strcpy(label, "Hello, world!\n");
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int i = strlen(label);
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uchar c;
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for (c = ' '+1; c < 127; c++) {if (!(c&0x1f)) label[i++]='\n'; label[i++]=c;}
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label[i++] = '\n';
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for (c = 0xA1; c; c++) {if (!(c&0x1f)) label[i++]='\n'; label[i++]=c;}
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label[i] = 0;
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textobj = new Fl_Box(FL_FRAME_BOX,10,10,530,170,label);
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textobj->align(FL_ALIGN_TOP|FL_ALIGN_LEFT|FL_ALIGN_INSIDE|FL_ALIGN_CLIP);
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textobj->color(9,47);
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fontobj = new Fl_Hold_Browser(10, 190, 390, 170);
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fontobj->box(FL_FRAME_BOX);
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fontobj->color(53,3);
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fontobj->callback(font_cb);
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form->resizable(fontobj);
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sizeobj = new Fl_Hold_Browser(410, 190, 130, 170);
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sizeobj->box(FL_FRAME_BOX);
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sizeobj->color(53,3);
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sizeobj->callback(size_cb);
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form->end();
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}
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#include <FL/fl_ask.H>
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int main(int argc, char **argv) {
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create_the_forms();
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int i = fl_choice("Which fonts:","-*","iso8859","All");
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int k = Fl::set_fonts(i ? (i>1 ? "*" : 0) : "-*");
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for (i = 0; i < k; i++) {
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int t; const char *name = Fl::get_font_name((Fl_Font)i,&t);
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char buffer[128];
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#if 1
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if (t) {
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char *p = buffer;
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if (t & FL_BOLD) {*p++ = '@'; *p++ = 'b';}
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if (t & FL_ITALIC) {*p++ = '@'; *p++ = 'i';}
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strcpy(p,name);
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name = buffer;
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}
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#else // this is neat, but really slow on some X servers:
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sprintf(buffer, "@F%d@.%s", i, name);
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name = buffer;
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#endif
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fontobj->add(name);
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int *s; int n = Fl::get_font_sizes((Fl_Font)i, s);
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numsizes[i] = n;
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if (n) {
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sizes[i] = new int[n];
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for (int j=0; j<n; j++) sizes[i][j] = s[j];
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}
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}
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fontobj->value(1);
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font_cb(fontobj,0);
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form->show(argc,argv);
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return Fl::run();
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}
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