src/frontends/xforms/FormPrint.C

   1 /* FormPrint.C
   2  * FormPrint Interface Class Implementation
   3  */
   4
   5 #include <config.h>
   6
   7 #include FORMS_H_LOCATION
   8
   9 #ifdef __GNUG__
  10 #pragma implementation
  11 #endif
  12
  13 #include "FormPrint.h"
  14 #include "form_print.h"
  15 #include "input_validators.h"
  16 #include "LyXView.h"
  17 #include "Dialogs.h"
  18 #include "support/lstrings.h"
  19 #include "lyxrc.h"
  20 #include "PrinterParams.h"
  21 #include "Liason.h"
  22 #include "debug.h"
  23 #include "BufferView.h"
  24 #include "lyx_gui_misc.h"       // WriteAlert
  25
  26 #ifdef SIGC_CXX_NAMESPACES
  27 using SigC::slot;
  28 #endif
  29
  30 #ifdef CXX_WORKING_NAMESPACES
  31 using Liason::printBuffer;
  32 using Liason::getPrinterParams;
  33 #endif
  34
  35
  36 FormPrint::FormPrint(LyXView * lv, Dialogs * d)
  37         : FormBaseBD(lv, d, _("Print"), new OkApplyCancelPolicy),
  38           dialog_(0), target_(2), order_(2), which_(3)
  39 {
  40         // let the dialog be shown
  41         // This is a permanent connection so we won't bother
  42         // storing a copy because we won't be disconnecting.
  43         d->showPrint.connect(slot(this, &FormPrint::show));
  44 }
  45
  46
  47 FormPrint::~FormPrint()
  48 {
  49         delete dialog_;
  50 }
  51
  52
  53 void FormPrint::build()
  54 {
  55         dialog_ = build_print();
  56
  57         // manage the ok, apply and cancel/close buttons
  58         bc_.setOK(dialog_->button_ok);
  59         bc_.setApply(dialog_->button_apply);
  60         bc_.setCancel(dialog_->button_cancel);
  61         bc_.refresh();
  62
  63         // allow controlling of input and ok/apply (de)activation
  64         fl_set_input_return(dialog_->input_printer,
  65                             FL_RETURN_CHANGED);
  66         fl_set_input_return(dialog_->input_file,
  67                             FL_RETURN_CHANGED);
  68         fl_set_input_return(dialog_->input_from_page,
  69                             FL_RETURN_CHANGED);
  70         fl_set_input_return(dialog_->input_to_page,
  71                             FL_RETURN_CHANGED);
  72         fl_set_input_return(dialog_->input_count,
  73                             FL_RETURN_CHANGED);
  74
  75         // limit these inputs to unsigned integers
  76         fl_set_input_filter(dialog_->input_from_page,
  77                             fl_unsigned_int_filter);
  78         fl_set_input_filter(dialog_->input_to_page,
  79                             fl_unsigned_int_filter);
  80         fl_set_input_filter(dialog_->input_count,
  81                             fl_unsigned_int_filter);
  82
  83         // what limits (if any) make sense for these?
  84         fl_set_input_maxchars(dialog_->input_printer, 255);
  85         fl_set_input_maxchars(dialog_->input_file, 255);
  86         fl_set_input_maxchars(dialog_->input_from_page, 4); // 9999
  87         fl_set_input_maxchars(dialog_->input_to_page, 4);   // 9999
  88         fl_set_input_maxchars(dialog_->input_count, 4);     // 9999
  89
  90         target_.reset();
  91         target_.registerRadioButton(dialog_->radio_printer,
  92                                     PrinterParams::PRINTER);
  93         target_.registerRadioButton(dialog_->radio_file,
  94                                     PrinterParams::FILE);
  95         order_.reset();
  96         order_.registerRadioButton(dialog_->radio_order_reverse,
  97                                    true);
  98         order_.registerRadioButton(dialog_->radio_order_normal,
  99                                    false);
 100         which_.reset();
 101         which_.registerRadioButton(dialog_->radio_odd_pages,
 102                                    PrinterParams::ODD);
 103         which_.registerRadioButton(dialog_->radio_even_pages,
 104                                    PrinterParams::EVEN);
 105         which_.registerRadioButton(dialog_->radio_all_pages,
 106                                    PrinterParams::ALL);
 107 }
 108
 109
 110 void FormPrint::connect()
 111 {
 112         FormBaseBD::connect();
 113         fl_set_form_minsize(dialog_->form,
 114                             dialog_->form->w,
 115                             dialog_->form->h);
 116 }
 117
 118
 119 FL_FORM * FormPrint::form() const
 120 {
 121         if (dialog_) return dialog_->form;
 122         return 0;
 123 }
 124
 125
 126 void FormPrint::apply()
 127 {
 128         if (!lv_->view()->available()) {
 129                 return;
 130         }
 131
 132         PrinterParams::WhichPages
 133                 wp(static_cast<PrinterParams::WhichPages>(which_.getButton()));
 134
 135         string from;
 136         int to(0);
 137         if (strlen(fl_get_input(dialog_->input_from_page)) > 0) {
 138                 // we have at least one page requested
 139                 from = fl_get_input(dialog_->input_from_page);
 140                 if (strlen(fl_get_input(dialog_->input_to_page)) > 0) {
 141                         // okay we have a range
 142                         to = strToInt(fl_get_input(dialog_->input_to_page));
 143                 } // else we only print one page.
 144         }
 145
 146         PrinterParams::Target
 147                 t(static_cast<PrinterParams::Target>(target_.getButton()));
 148
 149         // we really should use the return value here I think.
 150         if (!printBuffer(lv_->buffer(),
 151                          PrinterParams(t,
 152                                        string(fl_get_input(dialog_->input_printer)),
 153                                        string(fl_get_input(dialog_->input_file)),
 154                                        wp, from, to,
 155                                        static_cast<bool>(order_.getButton()),
 156                                        !static_cast<bool>(fl_get_button(dialog_->
 157                                                                         radio_collated)),
 158                                        strToInt(fl_get_input(dialog_->input_count))))) {
 159                 WriteAlert(_("Error:"),
 160                            _("Unable to print"),
 161                            _("Check that your parameters are correct"));
 162         }
 163 }
 164
 165
 166 // we can safely ignore the parameter because we can always update
 167 void FormPrint::update(bool)
 168 {
 169         if (dialog_
 170             && lv_->view()->available()) {
 171                 PrinterParams pp(getPrinterParams(lv_->buffer()));
 172
 173                 fl_set_input(dialog_->input_printer, pp.printer_name.c_str());
 174                 fl_set_input(dialog_->input_file, pp.file_name.c_str());
 175
 176                 target_.setButton(pp.target);
 177                 order_.setButton(pp.reverse_order);
 178                 which_.setButton(pp.which_pages);
 179
 180                 // hmmm... maybe a bit weird but maybe not
 181                 // we might just be remembering the last
 182                 // time this was printed.
 183                 if (!pp.from_page.empty()) {
 184                         fl_set_input(dialog_->input_from_page,
 185                                      pp.from_page.c_str());
 186                         // we only set the "to" page of a range
 187                         // if there's a corresponding "from"
 188                         fl_activate_object(dialog_->input_to_page);
 189                         if (pp.to_page) {
 190                                 fl_set_input(dialog_->input_to_page,
 191                                              tostr(pp.to_page).c_str());
 192                         } else {
 193                                 fl_set_input(dialog_->input_to_page,"");
 194                         }
 195                 } else {
 196                         fl_deactivate_object(dialog_->input_to_page);
 197                         fl_set_input(dialog_->input_to_page,"");
 198                         fl_set_input(dialog_->input_from_page,"");
 199                 }
 200
 201                 fl_set_input(dialog_->input_count,
 202                              tostr(pp.count_copies).c_str());
 203         }
 204 }
 205
 206
 207 // It would be nice if we checked for cases like:
 208 // Print only-odd-pages and from_page == an even number
 209 //
 210 bool FormPrint::input(FL_OBJECT *, long)
 211 {
 212         bool activate = true;
 213
 214         // using a fl_input_filter that only permits numbers no '-' or '+'
 215         // and the user cannot enter a negative number even if they try.
 216         if (strlen(fl_get_input(dialog_->input_from_page))) {
 217                 // using a page range so activate the "to" field
 218                 fl_activate_object(dialog_->input_to_page);
 219                 if (strlen(fl_get_input(dialog_->input_to_page))
 220                     && (strToInt(fl_get_input(dialog_->input_from_page))
 221                         > strToInt(fl_get_input(dialog_->input_to_page)))) {
 222                         // both from and to have values but from > to
 223                         // We could have code to silently swap these
 224                         // values but I'll disable the ok/apply until
 225                         // the user fixes it since they may be editting
 226                         // one of the fields.
 227                         activate = false;
 228                         // set both backgrounds to red?
 229                 }
 230         } else if (strlen(fl_get_input(dialog_->input_to_page))) {
 231                 // from is empty but to exists so probably editting from
 232                 // therefore deactivate ok and apply until form is valid again
 233                 activate = false;
 234         } else {
 235                 // both from and to are empty.  This is valid so activate
 236                 // ok and apply but deactivate to
 237                 fl_deactivate_object(dialog_->input_to_page);
 238         }
 239
 240         if (fl_get_button(dialog_->radio_file)
 241             && !strlen(fl_get_input(dialog_->input_file))) {
 242                 activate = false;
 243         }
 244
 245         // it is probably legal to have no printer name since the system will
 246         // have a default printer set.  Or should have.
 247 //      if (fl_get_button(dialog_->radio_printer)
 248 //          && !strlen(fl_get_input(dialog_->input_printer))) {
 249 //              activate = false;
 250 //      }
 251         return activate;
 252 }