src/Fl_Help_Dialog.cxx

   1 //
   2 // "$Id: Fl_Help_Dialog.cxx 7903 2010-11-28 21:06:39Z matt $"
   3 //
   4 // Fl_Help_Dialog dialog for the Fast Light Tool Kit (FLTK).
   5 //
   6 // Copyright 1998-2010 by Bill Spitzak and others.
   7 //
   8 // This library is free software; you can redistribute it and/or
   9 // modify it under the terms of the GNU Library General Public
  10 // License as published by the Free Software Foundation; either
  11 // version 2 of the License, or (at your option) any later version.
  12 //
  13 // This library is distributed in the hope that it will be useful,
  14 // but WITHOUT ANY WARRANTY; without even the implied warranty of
  15 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  16 // Library General Public License for more details.
  17 //
  18 // You should have received a copy of the GNU Library General Public
  19 // License along with this library; if not, write to the Free Software
  20 // Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
  21 // USA.
  22 //
  23 // Please report all bugs and problems on the following page:
  24 //
  25 //     http://www.fltk.org/str.php
  26 //
  27
  28 // generated by Fast Light User Interface Designer (fluid) version 1.0108
  29
  30 #include "../FL/Fl_Help_Dialog.H"
  31 #include "flstring.h"
  32 #include <FL/fl_ask.H>
  33
  34 void Fl_Help_Dialog::cb_back__i(Fl_Button*, void*) {
  35   if (index_ > 0)
  36   index_ --;
  37
  38 if (index_ == 0)
  39   back_->deactivate();
  40
  41 forward_->activate();
  42
  43 int l = line_[index_];
  44
  45 if (strcmp(view_->filename(), file_[index_]) != 0)
  46   view_->load(file_[index_]);
  47
  48 view_->topline(l);
  49 }
  50 void Fl_Help_Dialog::cb_back_(Fl_Button* o, void* v) {
  51   ((Fl_Help_Dialog*)(o->parent()->parent()->user_data()))->cb_back__i(o,v);
  52 }
  53
  54 void Fl_Help_Dialog::cb_forward__i(Fl_Button*, void*) {
  55   if (index_ < max_)
  56   index_ ++;
  57
  58 if (index_ >= max_)
  59   forward_->deactivate();
  60
  61 back_->activate();
  62
  63 int l = view_->topline();
  64
  65 if (strcmp(view_->filename(), file_[index_]) != 0)
  66   view_->load(file_[index_]);
  67
  68 view_->topline(l);
  69 }
  70 void Fl_Help_Dialog::cb_forward_(Fl_Button* o, void* v) {
  71   ((Fl_Help_Dialog*)(o->parent()->parent()->user_data()))->cb_forward__i(o,v);
  72 }
  73
  74 void Fl_Help_Dialog::cb_smaller__i(Fl_Button*, void*) {
  75   if (view_->textsize() > 8)
  76   view_->textsize(view_->textsize() - 2);
  77
  78 if (view_->textsize() <= 8)
  79   smaller_->deactivate();
  80 larger_->activate();
  81 }
  82 void Fl_Help_Dialog::cb_smaller_(Fl_Button* o, void* v) {
  83   ((Fl_Help_Dialog*)(o->parent()->parent()->user_data()))->cb_smaller__i(o,v);
  84 }
  85
  86 void Fl_Help_Dialog::cb_larger__i(Fl_Button*, void*) {
  87   if (view_->textsize() < 18)
  88   view_->textsize(view_->textsize() + 2);
  89
  90 if (view_->textsize() >= 18)
  91   larger_->deactivate();
  92 smaller_->activate();
  93 }
  94 void Fl_Help_Dialog::cb_larger_(Fl_Button* o, void* v) {
  95   ((Fl_Help_Dialog*)(o->parent()->parent()->user_data()))->cb_larger__i(o,v);
  96 }
  97
  98 void Fl_Help_Dialog::cb_find__i(Fl_Input*, void*) {
  99   find_pos_ = view_->find(find_->value(), find_pos_);
 100 }
 101 void Fl_Help_Dialog::cb_find_(Fl_Input* o, void* v) {
 102   ((Fl_Help_Dialog*)(o->parent()->parent()->parent()->user_data()))->cb_find__i(o,v);
 103 }
 104
 105 void Fl_Help_Dialog::cb_view__i(Fl_Help_View*, void*) {
 106   if (view_->filename())
 107 {
 108   if (view_->changed())
 109   {
 110     index_ ++;
 111
 112     if (index_ >= 100)
 113     {
 114       memmove(line_, line_ + 10, sizeof(line_[0]) * 90);
 115       memmove(file_, file_ + 10, sizeof(file_[0]) * 90);
 116       index_ -= 10;
 117     }
 118
 119     max_ = index_;
 120
 121     strlcpy(file_[index_], view_->filename(),sizeof(file_[0]));
 122     line_[index_] = view_->topline();
 123
 124     if (index_ > 0)
 125       back_->activate();
 126     else
 127       back_->deactivate();
 128
 129     forward_->deactivate();
 130     window_->label(view_->title());
 131   }
 132   else // if ! view_->changed()
 133   {
 134     strlcpy(file_[index_], view_->filename(), sizeof(file_[0]));
 135     line_[index_] = view_->topline();
 136   }
 137 } else { // if ! view_->filename()
 138   index_ = 0; // hitting an internal page will disable the back/fwd buffer
 139   file_[index_][0] = 0; // unnamed internal page
 140   line_[index_] = view_->topline();
 141   back_->deactivate();
 142   forward_->deactivate();
 143 };
 144 }
 145 void Fl_Help_Dialog::cb_view_(Fl_Help_View* o, void* v) {
 146   ((Fl_Help_Dialog*)(o->parent()->user_data()))->cb_view__i(o,v);
 147 }
 148
 149 Fl_Help_Dialog::Fl_Help_Dialog() {
 150   { window_ = new Fl_Double_Window(530, 385, "Help Dialog");
 151     window_->user_data((void*)(this));
 152     { Fl_Group* o = new Fl_Group(10, 10, 511, 25);
 153       { back_ = new Fl_Button(10, 10, 25, 25, "@<-");
 154         back_->tooltip("Show the previous help page.");
 155         back_->shortcut(0xff51);
 156         back_->labelcolor((Fl_Color)2);
 157         back_->callback((Fl_Callback*)cb_back_);
 158       } // Fl_Button* back_
 159       { forward_ = new Fl_Button(45, 10, 25, 25, "@->");
 160         forward_->tooltip("Show the next help page.");
 161         forward_->shortcut(0xff53);
 162         forward_->labelcolor((Fl_Color)2);
 163         forward_->callback((Fl_Callback*)cb_forward_);
 164       } // Fl_Button* forward_
 165       { smaller_ = new Fl_Button(80, 10, 25, 25, "F");
 166         smaller_->tooltip("Make the help text smaller.");
 167         smaller_->labelfont(1);
 168         smaller_->labelsize(10);
 169         smaller_->callback((Fl_Callback*)cb_smaller_);
 170       } // Fl_Button* smaller_
 171       { larger_ = new Fl_Button(115, 10, 25, 25, "F");
 172         larger_->tooltip("Make the help text larger.");
 173         larger_->labelfont(1);
 174         larger_->labelsize(16);
 175         larger_->callback((Fl_Callback*)cb_larger_);
 176       } // Fl_Button* larger_
 177       { Fl_Group* o = new Fl_Group(350, 10, 171, 25);
 178         o->box(FL_DOWN_BOX);
 179         o->color(FL_BACKGROUND2_COLOR);
 180         { find_ = new Fl_Input(375, 12, 143, 21, "@search");
 181           find_->tooltip("find text in document");
 182           find_->box(FL_FLAT_BOX);
 183           find_->labelsize(13);
 184           find_->textfont(4);
 185           find_->callback((Fl_Callback*)cb_find_);
 186           find_->when(FL_WHEN_ENTER_KEY_ALWAYS);
 187         } // Fl_Input* find_
 188         o->end();
 189       } // Fl_Group* o
 190       { Fl_Box* o = new Fl_Box(150, 10, 190, 25);
 191         Fl_Group::current()->resizable(o);
 192       } // Fl_Box* o
 193       o->end();
 194     } // Fl_Group* o
 195     { view_ = new Fl_Help_View(10, 45, 510, 330);
 196       view_->box(FL_DOWN_BOX);
 197       view_->callback((Fl_Callback*)cb_view_);
 198       Fl_Group::current()->resizable(view_);
 199     } // Fl_Help_View* view_
 200     window_->size_range(260, 150);
 201     window_->end();
 202   } // Fl_Double_Window* window_
 203   back_->deactivate();
 204 forward_->deactivate();
 205
 206 index_    = -1;
 207 max_      = 0;
 208 find_pos_ = 0;
 209
 210 fl_register_images();
 211 }
 212
 213 Fl_Help_Dialog::~Fl_Help_Dialog() {
 214   delete window_;
 215 }
 216
 217 int Fl_Help_Dialog::h() {
 218   return (window_->h());
 219 }
 220
 221 void Fl_Help_Dialog::hide() {
 222   window_->hide();
 223 }
 224
 225 void Fl_Help_Dialog::load(const char *f) {
 226   view_->set_changed();
 227 view_->load(f);
 228 window_->label(view_->title());
 229 }
 230
 231 void Fl_Help_Dialog::position(int xx, int yy) {
 232   window_->position(xx, yy);
 233 }
 234
 235 void Fl_Help_Dialog::resize(int xx, int yy, int ww, int hh) {
 236   window_->resize(xx, yy, ww, hh);
 237 }
 238
 239 void Fl_Help_Dialog::show() {
 240   window_->show();
 241 }
 242
 243 void Fl_Help_Dialog::show(int argc, char **argv) {
 244   window_->show(argc, argv);
 245 }
 246
 247 void Fl_Help_Dialog::textsize(Fl_Fontsize s) {
 248   view_->textsize(s);
 249
 250 if (s <= 8)
 251   smaller_->deactivate();
 252 else
 253   smaller_->activate();
 254
 255 if (s >= 18)
 256   larger_->deactivate();
 257 else
 258   larger_->activate();
 259 }
 260
 261 Fl_Fontsize Fl_Help_Dialog::textsize() {
 262   return (view_->textsize());
 263 }
 264
 265 void Fl_Help_Dialog::topline(const char *n) {
 266   view_->topline(n);
 267 }
 268
 269 void Fl_Help_Dialog::topline(int n) {
 270   view_->topline(n);
 271 }
 272
 273 void Fl_Help_Dialog::value(const char *f) {
 274   view_->set_changed();
 275 view_->value(f);
 276 window_->label(view_->title());
 277 }
 278
 279 const char * Fl_Help_Dialog::value() const {
 280   return view_->value();
 281 }
 282
 283 int Fl_Help_Dialog::visible() {
 284   return (window_->visible());
 285 }
 286
 287 int Fl_Help_Dialog::w() {
 288   return (window_->w());
 289 }
 290
 291 int Fl_Help_Dialog::x() {
 292   return (window_->x());
 293 }
 294
 295 int Fl_Help_Dialog::y() {
 296   return (window_->y());
 297 }
 298
 299 //
 300 // End of "$Id: Fl_Help_Dialog.cxx 7903 2010-11-28 21:06:39Z matt $".
 301 //