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 #include "xforms_helpers.h"     // for browseFile
  26
  27 #ifdef SIGC_CXX_NAMESPACES
  28 using SigC::slot;
  29 #endif
  30
  31 #ifdef CXX_WORKING_NAMESPACES
  32 using Liason::printBuffer;
  33 using Liason::getPrinterParams;
  34 #endif
  35
  36 using std::make_pair;
  37
  38 FormPrint::FormPrint(LyXView * lv, Dialogs * d)
  39         : FormBaseBD(lv, d, _("Print")),
  40           target_(2), order_(2), which_(3)
  41 {
  42         // let the dialog be shown
  43         // This is a permanent connection so we won't bother
  44         // storing a copy because we won't be disconnecting.
  45         d->showPrint.connect(slot(this, &FormPrint::show));
  46 }
  47
  48
  49 void FormPrint::build()
  50 {
  51         dialog_.reset(build_print());
  52
  53         // Workaround dumb xforms sizing bug
  54         minw_ = form()->w;
  55         minh_ = form()->h;
  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 FL_FORM * FormPrint::form() const
 111 {
 112         if (dialog_.get())
 113                 return dialog_->form;
 114         return 0;
 115 }
 116
 117
 118 void FormPrint::apply()
 119 {
 120         if (!lv_->view()->available()) {
 121                 return;
 122         }
 123
 124         PrinterParams::WhichPages
 125                 wp(static_cast<PrinterParams::WhichPages>(which_.getButton()));
 126
 127         string from;
 128         int to(0);
 129         if (strlen(fl_get_input(dialog_->input_from_page)) > 0) {
 130                 // we have at least one page requested
 131                 from = fl_get_input(dialog_->input_from_page);
 132                 if (strlen(fl_get_input(dialog_->input_to_page)) > 0) {
 133                         // okay we have a range
 134                         to = strToInt(fl_get_input(dialog_->input_to_page));
 135                 } // else we only print one page.
 136         }
 137
 138         PrinterParams::Target
 139                 t(static_cast<PrinterParams::Target>(target_.getButton()));
 140
 141         // we really should use the return value here I think.
 142         if (!printBuffer(lv_->buffer(),
 143                          PrinterParams(t,
 144                                        string(fl_get_input(dialog_->input_printer)),
 145                                        string(fl_get_input(dialog_->input_file)),
 146                                        wp, from, to,
 147                                        static_cast<bool>(order_.getButton()),
 148                                        !static_cast<bool>(fl_get_button(dialog_->
 149                                                                         radio_collated)),
 150                                        strToInt(fl_get_input(dialog_->input_count))))) {
 151                 WriteAlert(_("Error:"),
 152                            _("Unable to print"),
 153                            _("Check that your parameters are correct"));
 154         }
 155 }
 156
 157
 158 void FormPrint::update()
 159 {
 160         if (dialog_.get()
 161             && lv_->view()->available()) {
 162                 PrinterParams pp(getPrinterParams(lv_->buffer()));
 163
 164                 fl_set_input(dialog_->input_printer, pp.printer_name.c_str());
 165                 fl_set_input(dialog_->input_file, pp.file_name.c_str());
 166
 167                 target_.setButton(pp.target);
 168                 order_.setButton(pp.reverse_order);
 169                 which_.setButton(pp.which_pages);
 170
 171                 // hmmm... maybe a bit weird but maybe not
 172                 // we might just be remembering the last
 173                 // time this was printed.
 174                 if (!pp.from_page.empty()) {
 175                         fl_set_input(dialog_->input_from_page,
 176                                      pp.from_page.c_str());
 177                         // we only set the "to" page of a range
 178                         // if there's a corresponding "from"
 179                         fl_activate_object(dialog_->input_to_page);
 180                         if (pp.to_page) {
 181                                 fl_set_input(dialog_->input_to_page,
 182                                              tostr(pp.to_page).c_str());
 183                         } else {
 184                                 fl_set_input(dialog_->input_to_page,"");
 185                         }
 186                 } else {
 187                         fl_deactivate_object(dialog_->input_to_page);
 188                         fl_set_input(dialog_->input_to_page,"");
 189                         fl_set_input(dialog_->input_from_page,"");
 190                 }
 191
 192                 fl_set_input(dialog_->input_count,
 193                              tostr(pp.count_copies).c_str());
 194                 bc().valid(true);
 195         }
 196 }
 197
 198
 199 // It would be nice if we checked for cases like:
 200 // Print only-odd-pages and from_page == an even number
 201 //
 202 bool FormPrint::input(FL_OBJECT * ob, long)
 203 {
 204         bool activate = true;
 205
 206         // using a fl_input_filter that only permits numbers no '-' or '+'
 207         // and the user cannot enter a negative number even if they try.
 208         if (strlen(fl_get_input(dialog_->input_from_page))) {
 209                 // using a page range so activate the "to" field
 210                 fl_activate_object(dialog_->input_to_page);
 211                 if (strlen(fl_get_input(dialog_->input_to_page))
 212                     && (strToInt(fl_get_input(dialog_->input_from_page))
 213                         > strToInt(fl_get_input(dialog_->input_to_page)))) {
 214                         // both from and to have values but from > to
 215                         // We could have code to silently swap these
 216                         // values but I'll disable the ok/apply until
 217                         // the user fixes it since they may be editting
 218                         // one of the fields.
 219                         activate = false;
 220                         // set both backgrounds to red?
 221                 }
 222         } else if (strlen(fl_get_input(dialog_->input_to_page))) {
 223                 // from is empty but to exists so probably editting from
 224                 // therefore deactivate ok and apply until form is valid again
 225                 activate = false;
 226         } else {
 227                 // both from and to are empty.  This is valid so activate
 228                 // ok and apply but deactivate to
 229                 fl_deactivate_object(dialog_->input_to_page);
 230         }
 231
 232         if (fl_get_button(dialog_->radio_file)
 233             && !strlen(fl_get_input(dialog_->input_file))) {
 234                 activate = false;
 235         }
 236
 237         if (ob == dialog_->button_browse) {
 238                 browse();
 239         }
 240
 241         // it is probably legal to have no printer name since the system will
 242         // have a default printer set.  Or should have.
 243 //      if (fl_get_button(dialog_->radio_printer)
 244 //          && !strlen(fl_get_input(dialog_->input_printer))) {
 245 //              activate = false;
 246 //      }
 247         return activate;
 248 }
 249
 250
 251 void FormPrint::browse()
 252 {
 253         // Get the filename from the dialog
 254         string const filename = fl_get_input(dialog_->input_file);
 255
 256         string const title = N_("Print to file");
 257         string const pattern = "*.ps";
 258
 259         // Show the file browser dialog
 260         string const new_filename =
 261                 browseFile(lv_, filename, title, pattern,
 262                            make_pair(string(), string()),
 263                            make_pair(string(), string()));
 264
 265         // Save the filename to the dialog
 266         if (new_filename != filename && !new_filename.empty()) {
 267                 fl_set_input(dialog_->input_file, new_filename.c_str());
 268                 input(0, 0);
 269         }
 270 }