src/frontends/xforms/FormBase.C

   1 // -*- C++ -*-
   2 /* This file is part of
   3  * ======================================================
   4  *
   5  *           LyX, The Document Processor
   6  *
   7  *           Copyright 2000 The LyX Team.
   8  *
   9  * ======================================================
  10  */
  11
  12 #include <config.h>
  13
  14 #include FORMS_H_LOCATION
  15
  16 #ifdef __GNUG__
  17 #pragma implementation
  18 #endif
  19
  20 #include "Dialogs.h"
  21 #include "FormBase.h"
  22 #include "LyXView.h"
  23 #include "xform_macros.h"
  24
  25 C_RETURNCB (FormBase, WMHideCB)
  26 C_GENERICCB(FormBase, ApplyCB)
  27 C_GENERICCB(FormBase, OKCB)
  28 C_GENERICCB(FormBase, CancelCB)
  29 C_GENERICCB(FormBase, InputCB)
  30 C_GENERICCB(FormBase, RestoreCB)
  31
  32
  33 FormBase::FormBase(LyXView * lv, Dialogs * d, string const & t,
  34                    ButtonPolicy * bp, char const * close, char const * cancel)
  35         : lv_(lv), bc_(bp, cancel, close), d_(d), h_(0), title(t), bp_(bp)
  36 {}
  37
  38
  39 FormBase::~FormBase()
  40 {
  41         delete bp_;
  42 }
  43
  44
  45 void FormBase::show()
  46 {
  47         if (!form()) {
  48                 build();
  49                 fl_set_form_atclose(form(),
  50                                     C_FormBaseWMHideCB, 0);
  51         }
  52
  53         fl_freeze_form( form() );
  54         update();  // make sure its up-to-date
  55         fl_unfreeze_form( form() );
  56
  57         if (form()->visible) {
  58                 fl_raise_form(form());
  59         } else {
  60                 fl_show_form(form(),
  61                              FL_PLACE_MOUSE | FL_FREE_SIZE,
  62                              FL_TRANSIENT,
  63                              title.c_str());
  64                 connect();
  65         }
  66 }
  67
  68
  69 void FormBase::hide()
  70 {
  71         if (form() && form()->visible) {
  72                 // some dialogs might do things to the form first
  73                 // such as the nested tabfolder problem in Preferences
  74                 disconnect();
  75                 fl_hide_form(form());
  76         }
  77 }
  78
  79
  80 int FormBase::WMHideCB(FL_FORM * form, void *)
  81 {
  82         // Ensure that the signals (u and h) are disconnected even if the
  83         // window manager is used to close the dialog.
  84         FormBase * pre = static_cast<FormBase*>(form->u_vdata);
  85         pre->hide();
  86         pre->bc_.hide();
  87         return FL_CANCEL;
  88 }
  89
  90
  91 void FormBase::ApplyCB(FL_OBJECT * ob, long)
  92 {
  93         FormBase * pre = static_cast<FormBase*>(ob->form->u_vdata);
  94         pre->apply();
  95         pre->bc_.apply();
  96 }
  97
  98
  99 void FormBase::OKCB(FL_OBJECT * ob, long)
 100 {
 101         FormBase * pre = static_cast<FormBase*>(ob->form->u_vdata);
 102         pre->ok();
 103         pre->bc_.ok();
 104 }
 105
 106
 107 void FormBase::CancelCB(FL_OBJECT * ob, long)
 108 {
 109         FormBase * pre = static_cast<FormBase*>(ob->form->u_vdata);
 110         pre->cancel();
 111         pre->bc_.cancel();
 112 }
 113
 114
 115 void FormBase::InputCB(FL_OBJECT * ob, long data )
 116 {
 117         FormBase * pre = static_cast<FormBase*>(ob->form->u_vdata);
 118         pre->bc_.valid( pre->input( ob, data ) );
 119 }
 120
 121
 122 void FormBase::RestoreCB(FL_OBJECT * ob, long)
 123 {
 124         FormBase * pre = static_cast<FormBase*>(ob->form->u_vdata);
 125         pre->restore();
 126         pre->bc_.undoAll();
 127 }
 128
 129
 130 FormBaseBI::FormBaseBI(LyXView * lv, Dialogs * d, string const & t,
 131                        ButtonPolicy * bp,
 132                        char const * close, char const * cancel)
 133         : FormBase( lv, d, t, bp, close, cancel )
 134 {}
 135
 136
 137 void FormBaseBI::connect()
 138 {
 139         h_ = d_->hideAll.connect(slot(this, &FormBaseBI::hide));
 140 }
 141
 142
 143 void FormBaseBI::disconnect()
 144 {
 145         h_.disconnect();
 146 }
 147
 148
 149 FormBaseBD::FormBaseBD(LyXView * lv, Dialogs * d, string const & t,
 150                        ButtonPolicy * bp,
 151                        char const * close, char const * cancel)
 152         : FormBase( lv, d, t, bp, close, cancel ),
 153           u_(0)
 154 {}
 155
 156
 157 void FormBaseBD::connect()
 158 {
 159         u_ = d_->updateBufferDependent.
 160                  connect(slot(this, &FormBaseBD::update));
 161         h_ = d_->hideBufferDependent.
 162                  connect(slot(this, &FormBaseBD::hide));
 163 }
 164
 165
 166 void FormBaseBD::disconnect()
 167 {
 168         u_.disconnect();
 169         h_.disconnect();
 170 }