src/frontends/xforms/FormSpellchecker.C

   1 /**
   2  * \file FormSpellchecker.C
   3  * This file is part of LyX, the document processor.
   4  * Licence details can be found in the file COPYING.
   5  *
   6  * \author Edwin Leuven
   7  *
   8  * Full author contact details are available in file CREDITS
   9  */
  10
  11 #include <config.h>
  12
  13 #ifdef __GNUG__
  14 #pragma implementation
  15 #endif
  16
  17 #include "Tooltips.h"
  18 #include "xformsBC.h"
  19 #include "xforms_helpers.h"
  20 #include "ControlSpellchecker.h"
  21 #include "FormSpellchecker.h"
  22 #include "forms/form_spellchecker.h"
  23 #include "support/lstrings.h"
  24
  25 #include FORMS_H_LOCATION
  26
  27 typedef FormCB<ControlSpellchecker, FormDB<FD_spellchecker> > base_class;
  28
  29
  30 FormSpellchecker::FormSpellchecker()
  31         : base_class(_("Spellchecker")), state_(STOP)
  32 {}
  33
  34
  35 void FormSpellchecker::build()
  36 {
  37         dialog_.reset(build_spellchecker(this));
  38
  39         // Manage the buttons
  40         bc().setCancel(dialog_->button_close);
  41
  42         // disable for read-only documents
  43         bc().addReadOnly(dialog_->button_replace);
  44
  45         // trigger an input event for cut&paste with middle mouse button.
  46         setPrehandler(dialog_->input_replacement);
  47
  48         fl_set_input_return(dialog_->input_replacement, FL_RETURN_CHANGED);
  49
  50         // callback for double click in browser
  51         fl_set_browser_dblclick_callback(dialog_->browser_suggestions,
  52                                          C_FormBaseInputCB, 2);
  53
  54         // do not allow setting of slider by the mouse
  55         fl_deactivate_object(dialog_->slider_progress);
  56
  57         // set up the tooltips
  58         string str = _("Type replacement for unknown word "
  59                         " or select from suggestions.");
  60         tooltips().init(dialog_->input_replacement, str);
  61         str = _("List of replacement suggestions from dictionary.");
  62         tooltips().init(dialog_->browser_suggestions, str);
  63         // Work-around xforms' bug; enable tooltips for browser widgets.
  64         setPrehandler(dialog_->browser_suggestions);
  65         str = _("Start the spellingchecker.");
  66         tooltips().init(dialog_->button_start, str);
  67         str = _("Replace unknown word.");
  68         tooltips().init(dialog_->button_replace, str);
  69         str = _("Ignore unknown word.");
  70         tooltips().init(dialog_->button_ignore, str);
  71         str = _("Accept unknown word as known in this session.");
  72         tooltips().init(dialog_->button_accept, str);
  73         str = _("Add unknown word to personal dictionary.");
  74         tooltips().init(dialog_->button_add, str);
  75         str = _("Shows word count and progress on spell check.");
  76         tooltips().init(dialog_->slider_progress, str);
  77 }
  78
  79
  80 void FormSpellchecker::updateState(State state)
  81 {
  82         switch (state) {
  83         case START:
  84                 fl_set_slider_value(dialog_->slider_progress, 0.0);
  85                 fl_set_object_label(dialog_->slider_progress, "0 %");
  86                 break;
  87
  88         case RUNNING:
  89         {
  90                 controller().check();
  91
  92                 int const progress = controller().getProgress();
  93                 if (progress == 0)
  94                         break;
  95
  96                 double const wordcount = controller().getCount();
  97                 double const total = 100.0 * wordcount / progress;
  98                 string const label = tostr(progress) + " %";
  99
 100                 fl_set_slider_bounds(dialog_->slider_progress, 0.0, total);
 101                 fl_set_slider_value(dialog_->slider_progress, wordcount);
 102                 fl_set_object_label(dialog_->slider_progress, label.c_str());
 103                 break;
 104         }
 105
 106         case STOP:
 107         {
 108                 controller().stop();
 109
 110                 double const wordcount = controller().getCount();
 111
 112                 fl_set_slider_bounds(dialog_->slider_progress, 0.0, wordcount);
 113                 fl_set_slider_value(dialog_->slider_progress, wordcount);
 114                 fl_set_object_label(dialog_->slider_progress, "100 %");
 115                 break;
 116         }
 117         }
 118
 119         bool const state_change = state_ != state;
 120         state_ = state;
 121
 122         if (!state_change)
 123                 return;
 124
 125         bool const set_running = (state == RUNNING);
 126         string const label = set_running ? _("Stop") : _("Start");
 127
 128         fl_set_object_label(dialog_->button_start, label.c_str());
 129         fl_set_button_shortcut(dialog_->button_start, "#S", 1);
 130         fl_redraw_object(dialog_->button_start);
 131
 132         string const tip = set_running ?
 133                 _("Stop the spellingchecker.") :
 134                 _("Start the spellingchecker.");
 135         tooltips().init(dialog_->button_start, tip);
 136
 137         setEnabled(dialog_->button_replace,      set_running);
 138         setEnabled(dialog_->button_ignore,       set_running);
 139         setEnabled(dialog_->button_accept,       set_running);
 140         setEnabled(dialog_->button_add,          set_running);
 141         setEnabled(dialog_->browser_suggestions, set_running);
 142         setEnabled(dialog_->input_replacement,   set_running);
 143 }
 144
 145
 146 void FormSpellchecker::update()
 147 {
 148         // clear input fields
 149         fl_set_input(dialog_->input_replacement, "");
 150         fl_set_object_label(dialog_->text_unknown, "");
 151         fl_clear_browser(dialog_->browser_suggestions);
 152
 153         // reset dialog and buttons into start condition
 154         updateState(START);
 155 }
 156
 157
 158 ButtonPolicy::SMInput FormSpellchecker::input(FL_OBJECT * ob, long ob_value)
 159 {
 160         if (ob == dialog_->button_start) {
 161                 updateState(RUNNING);
 162
 163         } else if (ob == dialog_->button_replace) {
 164                 string const tmp = getString(dialog_->input_replacement);
 165                 controller().replace(tmp);
 166
 167         } else if (ob == dialog_->button_ignore) {
 168                 controller().check();
 169
 170         } else if (ob == dialog_->button_accept) {
 171                 controller().ignoreAll();
 172
 173         } else if (ob == dialog_->button_add) {
 174                 controller().insert();
 175
 176         } else if (ob == dialog_->browser_suggestions) {
 177                 string const tmp = getString(dialog_->browser_suggestions);
 178                 if (tmp.empty())
 179                         return ButtonPolicy::SMI_NOOP;
 180
 181                 if (ob_value != 2) {
 182                         // single-click
 183                         // place the chosen string in the input as feedback
 184                         fl_set_input(dialog_->input_replacement, tmp.c_str());
 185
 186                 } else {
 187                         // double-click
 188                         controller().replace(tmp);
 189                         // reset the browser so that the following
 190                         // single-click callback doesn't do anything
 191                         fl_deselect_browser(dialog_->browser_suggestions);
 192                 }
 193         }
 194
 195         return ButtonPolicy::SMI_VALID;
 196 }
 197
 198
 199 void FormSpellchecker::partialUpdate(int id)
 200 {
 201         switch (id) {
 202         case 1:
 203         {
 204                 // Set suggestions.
 205                 string w = controller().getWord();
 206                 fl_set_input(dialog_->input_replacement, w.c_str());
 207                 fl_set_object_label(dialog_->text_unknown, w.c_str());
 208                 fl_clear_browser(dialog_->browser_suggestions);
 209                 while (!(w = controller().getSuggestion()).empty()) {
 210                         fl_add_browser_line(dialog_->browser_suggestions,
 211                                             w.c_str());
 212                 }
 213                 break;
 214         }
 215         case 2:
 216                 // End of spell checking.
 217                 updateState(STOP);
 218                 break;
 219         }
 220 }