1 //
2 // "$Id$"
3 //
4 // Font demo program for the Fast Light Tool Kit (FLTK).
5 //
6 // Copyright 1998-2010 by Bill Spitzak and others.
7 //
8 // This library is free software. Distribution and use rights are outlined in
9 // the file "COPYING" which should have been included with this file. If this
10 // file is missing or damaged, see the license at:
11 //
12 // http://www.fltk.org/COPYING.php
13 //
14 // Please report all bugs and problems on the following page:
15 //
16 // http://www.fltk.org/str.php
17 //
18
19 #include <FL/Fl.H>
20 #include <FL/Fl_Double_Window.H>
21 #include <FL/Fl_Tile.H>
22 #include <FL/Fl_Hold_Browser.H>
23 #include <FL/fl_draw.H>
24 #include <FL/Fl_Box.H>
25 #include <stdio.h>
26 #include <stdlib.h>
27 #include <string.h>
28
29 Fl_Double_Window *form;
30 Fl_Tile *tile;
31
32 class FontDisplay : public Fl_Widget {
33 void draw();
34 public:
35 int font, size;
FontDisplay(Fl_Boxtype B,int X,int Y,int W,int H,const char * L=0)36 FontDisplay(Fl_Boxtype B, int X, int Y, int W, int H, const char* L = 0) :
37 Fl_Widget(X,Y,W,H,L) {box(B); font = 0; size = 14;}
38 };
draw()39 void FontDisplay::draw() {
40 draw_box();
41 fl_font((Fl_Font)font, size);
42 fl_color(FL_BLACK);
43 fl_draw(label(), x()+3, y()+3, w()-6, h()-6, align());
44 }
45
46 FontDisplay *textobj;
47
48 Fl_Hold_Browser *fontobj, *sizeobj;
49
50 int **sizes;
51 int *numsizes;
52 int pickedsize = 14;
53
font_cb(Fl_Widget *,long)54 void font_cb(Fl_Widget *, long) {
55 int fn = fontobj->value();
56 if (!fn) return;
57 fn--;
58 textobj->font = fn;
59 sizeobj->clear();
60 int n = numsizes[fn];
61 int *s = sizes[fn];
62 if (!n) {
63 // no sizes
64 } else if (s[0] == 0) {
65 // many sizes;
66 int j = 1;
67 for (int i = 1; i<64 || i<s[n-1]; i++) {
68 char buf[20];
69 if (j < n && i==s[j]) {sprintf(buf,"@b%d",i); j++;}
70 else sprintf(buf,"%d",i);
71 sizeobj->add(buf);
72 }
73 sizeobj->value(pickedsize);
74 } else {
75 // some sizes
76 int w = 0;
77 for (int i = 0; i < n; i++) {
78 if (s[i]<=pickedsize) w = i;
79 char buf[20];
80 sprintf(buf,"@b%d",s[i]);
81 sizeobj->add(buf);
82 }
83 sizeobj->value(w+1);
84 }
85 textobj->redraw();
86 }
87
size_cb(Fl_Widget *,long)88 void size_cb(Fl_Widget *, long) {
89 int i = sizeobj->value();
90 if (!i) return;
91 const char *c = sizeobj->text(i);
92 while (*c < '0' || *c > '9') c++;
93 pickedsize = atoi(c);
94 textobj->size = pickedsize;
95 textobj->redraw();
96 }
97
98 char label[0x1000];
99
create_the_forms()100 void create_the_forms() {
101 // create the sample string
102 int n = 0;
103 strcpy(label, "Hello, world!\n");
104 int i = strlen(label);
105 ulong c;
106 for (c = ' '+1; c < 127; c++) {
107 if (!(c&0x1f)) label[i++]='\n';
108 if (c=='@') label[i++]=c;
109 label[i++]=c;
110 }
111 label[i++] = '\n';
112 for (c = 0xA1; c < 0x600; c += 9) {
113 if (!(++n&(0x1f))) label[i++]='\n';
114 i += fl_utf8encode((unsigned int)c, label + i);
115 }
116 label[i] = 0;
117
118 // create the basic layout
119 form = new Fl_Double_Window(550,370);
120
121 tile = new Fl_Tile(0, 0, 550, 370);
122
123 Fl_Group *textgroup = new Fl_Group(0, 0, 550, 185);
124 textgroup->box(FL_FLAT_BOX);
125 textobj = new FontDisplay(FL_FRAME_BOX,10,10,530,170,label);
126 textobj->align(FL_ALIGN_TOP|FL_ALIGN_LEFT|FL_ALIGN_INSIDE|FL_ALIGN_CLIP);
127 textobj->color(9,47);
128 textgroup->resizable(textobj);
129 textgroup->end();
130
131 Fl_Group *fontgroup = new Fl_Group(0, 185, 550, 185);
132 fontgroup->box(FL_FLAT_BOX);
133 fontobj = new Fl_Hold_Browser(10, 190, 390, 170);
134 fontobj->box(FL_FRAME_BOX);
135 fontobj->color(53,3);
136 fontobj->callback(font_cb);
137 sizeobj = new Fl_Hold_Browser(410, 190, 130, 170);
138 sizeobj->box(FL_FRAME_BOX);
139 sizeobj->color(53,3);
140 sizeobj->callback(size_cb);
141 fontgroup->resizable(fontobj);
142 fontgroup->end();
143
144 tile->end();
145
146 form->resizable(tile);
147 form->end();
148 }
149
150 #include <FL/fl_ask.H>
151
main(int argc,char ** argv)152 int main(int argc, char **argv) {
153 Fl::scheme(NULL);
154 Fl::args(argc, argv);
155 Fl::get_system_colors();
156 create_the_forms();
157
158 // For the Unicode test, get all fonts...
159 //#ifdef __APPLE__
160 int i = 0;
161 //#else
162 // int i = fl_choice("Which fonts:","-*","iso8859","All");
163 //#endif
164 int k = Fl::set_fonts(i ? (i>1 ? "*" : 0) : "-*");
165 sizes = new int*[k];
166 numsizes = new int[k];
167 for (i = 0; i < k; i++) {
168 int t; const char *name = Fl::get_font_name((Fl_Font)i,&t);
169 char buffer[128];
170 #if 1
171 if (t) {
172 char *p = buffer;
173 if (t & FL_BOLD) {*p++ = '@'; *p++ = 'b';}
174 if (t & FL_ITALIC) {*p++ = '@'; *p++ = 'i';}
175 *p++ = '@'; *p++ = '.'; // Suppress subsequent formatting - some MS fonts have '@' in their name
176 strcpy(p,name);
177 name = buffer;
178 }
179 #else // this is neat, but really slow on some X servers:
180 sprintf(buffer, "@F%d@.%s", i, name);
181 name = buffer;
182 #endif
183 fontobj->add(name);
184 int *s; int n = Fl::get_font_sizes((Fl_Font)i, s);
185 numsizes[i] = n;
186 if (n) {
187 sizes[i] = new int[n];
188 for (int j=0; j<n; j++) sizes[i][j] = s[j];
189 }
190 }
191 fontobj->value(1);
192 font_cb(fontobj,0);
193 form->show(argc,argv);
194 return Fl::run();
195 }
196
197 //
198 // End of "$Id$".
199 //
200