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           minw_(0), minh_(0)
  37 {}
  38
  39
  40 FormBase::~FormBase()
  41 {
  42         delete bp_;
  43 }
  44
  45
  46 void FormBase::connect()
  47 {
  48         fl_set_form_minsize( form(), minw_, minh_ );
  49 }
  50
  51
  52 void FormBase::show()
  53 {
  54         if (!form()) {
  55                 build();
  56                 fl_set_form_atclose(form(),
  57                                     C_FormBaseWMHideCB, 0);
  58         }
  59
  60         fl_freeze_form( form() );
  61         update();  // make sure its up-to-date
  62         fl_unfreeze_form( form() );
  63
  64         if (form()->visible) {
  65                 fl_raise_form(form());
  66         } else {
  67                 // calls to fl_set_form_minsize/maxsize apply only to the next
  68                 // fl_show_form(), so connect() comes first.
  69                 connect();
  70                 fl_show_form(form(),
  71                              FL_PLACE_MOUSE | FL_FREE_SIZE,
  72                              FL_TRANSIENT,
  73                              title.c_str());
  74         }
  75 }
  76
  77
  78 void FormBase::hide()
  79 {
  80         if (form() && form()->visible) {
  81                 // some dialogs might do things to the form first
  82                 // such as the nested tabfolder problem in Preferences
  83                 disconnect();
  84                 fl_hide_form(form());
  85         }
  86 }
  87
  88
  89 int FormBase::WMHideCB(FL_FORM * form, void *)
  90 {
  91         // Ensure that the signals (u and h) are disconnected even if the
  92         // window manager is used to close the dialog.
  93         FormBase * pre = static_cast<FormBase*>(form->u_vdata);
  94         pre->hide();
  95         pre->bc_.hide();
  96         return FL_CANCEL;
  97 }
  98
  99
 100 void FormBase::ApplyCB(FL_OBJECT * ob, long)
 101 {
 102         FormBase * pre = static_cast<FormBase*>(ob->form->u_vdata);
 103         pre->apply();
 104         pre->bc_.apply();
 105 }
 106
 107
 108 void FormBase::OKCB(FL_OBJECT * ob, long)
 109 {
 110         FormBase * pre = static_cast<FormBase*>(ob->form->u_vdata);
 111         pre->ok();
 112         pre->bc_.ok();
 113 }
 114
 115
 116 void FormBase::CancelCB(FL_OBJECT * ob, long)
 117 {
 118         FormBase * pre = static_cast<FormBase*>(ob->form->u_vdata);
 119         pre->cancel();
 120         pre->bc_.cancel();
 121 }
 122
 123
 124 void FormBase::InputCB(FL_OBJECT * ob, long data )
 125 {
 126         FormBase * pre = static_cast<FormBase*>(ob->form->u_vdata);
 127         pre->bc_.valid( pre->input( ob, data ) );
 128 }
 129
 130
 131 void FormBase::RestoreCB(FL_OBJECT * ob, long)
 132 {
 133         FormBase * pre = static_cast<FormBase*>(ob->form->u_vdata);
 134         pre->restore();
 135         pre->bc_.undoAll();
 136 }
 137
 138
 139 FormBaseBI::FormBaseBI(LyXView * lv, Dialogs * d, string const & t,
 140                        ButtonPolicy * bp,
 141                        char const * close, char const * cancel)
 142         : FormBase( lv, d, t, bp, close, cancel )
 143 {}
 144
 145
 146 void FormBaseBI::connect()
 147 {
 148         h_ = d_->hideAll.connect(slot(this, &FormBaseBI::hide));
 149         FormBase::connect();
 150 }
 151
 152
 153 void FormBaseBI::disconnect()
 154 {
 155         h_.disconnect();
 156 }
 157
 158
 159 FormBaseBD::FormBaseBD(LyXView * lv, Dialogs * d, string const & t,
 160                        ButtonPolicy * bp,
 161                        char const * close, char const * cancel)
 162         : FormBase( lv, d, t, bp, close, cancel ),
 163           u_(0)
 164 {}
 165
 166
 167 void FormBaseBD::connect()
 168 {
 169         u_ = d_->updateBufferDependent.
 170                  connect(slot(this, &FormBaseBD::updateSlot));
 171         h_ = d_->hideBufferDependent.
 172                  connect(slot(this, &FormBaseBD::hide));
 173         FormBase::connect();
 174 }
 175
 176
 177 void FormBaseBD::disconnect()
 178 {
 179         u_.disconnect();
 180         h_.disconnect();
 181 }