src/frontends/qt3/QVSpace.C

   1 /**
   2  * \file QVSpace.C
   3  * This file is part of LyX, the document processor.
   4  * Licence details can be found in the file COPYING.
   5  *
   6  * \author André Pönitz
   7  * \author Jürgen Vigna
   8  * \author Rob Lahaye
   9  * \author Angus Leeming
  10  * \author Edwin Leuven
  11  * \author Jürgen Spitzmüller
  12  *
  13  * Full author contact details are available in file CREDITS.
  14  */
  15
  16 #include <config.h>
  17
  18 #include "QVSpace.h"
  19 #include "QVSpaceDialog.h"
  20 #include "Qt2BC.h"
  21
  22 #include "checkedwidgets.h"
  23 #include "lengthcombo.h"
  24 #include "qt_helpers.h"
  25
  26 #include "lyxrc.h" // to set the default length values
  27 #include "Spacing.h"
  28 #include "vspace.h"
  29
  30 #include "controllers/ControlVSpace.h"
  31 #include "controllers/helper_funcs.h"
  32
  33 #include "support/lstrings.h"
  34
  35 #include <qcombobox.h>
  36 #include <qlineedit.h>
  37 #include <qcheckbox.h>
  38 #include <qpushbutton.h>
  39
  40
  41 using std::string;
  42
  43 namespace lyx {
  44 namespace frontend {
  45
  46 namespace {
  47
  48 void setWidgetsFromVSpace(VSpace const & space,
  49                           QComboBox * spacing,
  50                           QLineEdit * value,
  51                           LengthCombo * unit,
  52                           QCheckBox * keep)
  53 {
  54         int item = 0;
  55         switch (space.kind()) {
  56         case VSpace::DEFSKIP:
  57                 item = 0;
  58                 break;
  59         case VSpace::SMALLSKIP:
  60                 item = 1;
  61                 break;
  62         case VSpace::MEDSKIP:
  63                 item = 2;
  64                 break;
  65         case VSpace::BIGSKIP:
  66                 item = 3;
  67                 break;
  68         case VSpace::VFILL:
  69                 item = 4;
  70                 break;
  71         case VSpace::LENGTH:
  72                 item = 5;
  73                 break;
  74         }
  75         spacing->setCurrentItem(item);
  76         keep->setChecked(space.keep());
  77
  78         LyXLength::UNIT default_unit =
  79                         (lyxrc.default_papersize > 3) ? LyXLength::CM : LyXLength::IN;
  80         bool const custom_vspace = space.kind() == VSpace::LENGTH;
  81         if (custom_vspace) {
  82                 value->setEnabled(true);
  83                 unit->setEnabled(true);
  84                 string length = space.length().asString();
  85                 lengthToWidgets(value, unit, length, default_unit);
  86         } else {
  87                 lengthToWidgets(value, unit, "", default_unit);
  88                 value->setEnabled(false);
  89                 unit->setEnabled(false);
  90         }
  91 }
  92
  93
  94 VSpace setVSpaceFromWidgets(int spacing,
  95                             QLineEdit * value,
  96                             LengthCombo * unit,
  97                             bool keep)
  98 {
  99         VSpace space;
 100
 101         switch (spacing) {
 102         case 0:
 103                 space = VSpace(VSpace::DEFSKIP);
 104                 break;
 105         case 1:
 106                 space = VSpace(VSpace::SMALLSKIP);
 107                 break;
 108         case 2:
 109                 space = VSpace(VSpace::MEDSKIP);
 110                 break;
 111         case 3:
 112                 space = VSpace(VSpace::BIGSKIP);
 113                 break;
 114         case 4:
 115                 space = VSpace(VSpace::VFILL);
 116                 break;
 117         case 5:
 118                 space = VSpace(LyXGlueLength(
 119                                       widgetsToLength(value, unit)));
 120                 break;
 121         }
 122
 123         space.setKeep(keep);
 124         return space;
 125 }
 126
 127 } // namespace anon
 128
 129
 130 typedef QController<ControlVSpace, QView<QVSpaceDialog> > base_class;
 131
 132 QVSpace::QVSpace(Dialog & parent)
 133         : base_class(parent, _("Vertical Space Settings"))
 134 {}
 135
 136
 137 void QVSpace::build_dialog()
 138 {
 139         // the tabbed folder
 140         dialog_.reset(new QVSpaceDialog(this));
 141
 142         // Manage the ok, apply, restore and cancel/close buttons
 143         bcview().setOK(dialog_->okPB);
 144         bcview().setApply(dialog_->applyPB);
 145         bcview().setCancel(dialog_->closePB);
 146
 147         // disable for read-only documents
 148         bcview().addReadOnly(dialog_->spacingCO);
 149         bcview().addReadOnly(dialog_->valueLE);
 150         bcview().addReadOnly(dialog_->unitCO);
 151         bcview().addReadOnly(dialog_->keepCB);
 152
 153         // initialize the length validator
 154         addCheckedLineEdit(bcview(), dialog_->valueLE, dialog_->valueL);
 155
 156         // remove the %-items from the unit choice
 157         dialog_->unitCO->noPercents();
 158 }
 159
 160
 161 void QVSpace::apply()
 162 {
 163         // spacing
 164         // If a vspace choice is "Length" but there's no text in
 165         // the input field, do not insert a vspace at all.
 166         if (dialog_->spacingCO->currentItem() == 5
 167             && dialog_->valueLE->text().isEmpty())
 168                 return;
 169
 170         VSpace const space =
 171                 setVSpaceFromWidgets(dialog_->spacingCO->currentItem(),
 172                                      dialog_->valueLE,
 173                                      dialog_->unitCO,
 174                                      dialog_->keepCB->isChecked());
 175
 176         controller().params() = space;
 177 }
 178
 179
 180 void QVSpace::update_contents()
 181 {
 182         setWidgetsFromVSpace(controller().params(),
 183                              dialog_->spacingCO,
 184                              dialog_->valueLE,
 185                              dialog_->unitCO,
 186                              dialog_->keepCB);
 187 }
 188
 189 } // namespace frontend
 190 } // namespace lyx