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 "xform_macros.h"
  23
  24 C_RETURNCB(FormBase, WMHideCB)
  25 C_GENERICCB(FormBase, ApplyCB)
  26 C_GENERICCB(FormBase, CancelCB)
  27 C_GENERICCB(FormBase, InputCB)
  28 C_GENERICCB(FormBase, OKCB)
  29
  30 FormBase::FormBase(LyXView * lv, Dialogs * d, string const & t)
  31         : lv_(lv), d_(d), u_(0), h_(0), title(t), dialogIsOpen(false)
  32 {}
  33
  34
  35 void FormBase::show()
  36 {
  37         if (!form()) {
  38                 build();
  39                 fl_set_form_atclose(form(),
  40                                     C_FormBaseWMHideCB, 0);
  41         }
  42
  43         fl_freeze_form( form() );
  44         update();  // make sure its up-to-date
  45         fl_unfreeze_form( form() );
  46
  47         dialogIsOpen = true;
  48         if (form()->visible) {
  49                 fl_raise_form(form());
  50         } else {
  51                 fl_show_form(form(),
  52                              FL_PLACE_MOUSE | FL_FREE_SIZE,
  53                              FL_TRANSIENT,
  54                              title.c_str());
  55                 u_ = d_->updateBufferDependent.
  56                          connect(slot(this, &FormBase::update));
  57                 h_ = d_->hideBufferDependent.
  58                          connect(slot(this, &FormBase::hide));
  59         }
  60 }
  61
  62
  63 void FormBase::hide()
  64 {
  65         if (form() && form()->visible) {
  66                 fl_hide_form(form());
  67                 u_.disconnect();
  68                 h_.disconnect();
  69         }
  70
  71         // free up the dialog for another inset
  72         dialogIsOpen = false;
  73         clearStore();
  74 }
  75
  76
  77 int FormBase::WMHideCB(FL_FORM * form, void *)
  78 {
  79         // Ensure that the signals (u and h) are disconnected even if the
  80         // window manager is used to close the dialog.
  81         FormBase * pre = static_cast<FormBase*>(form->u_vdata);
  82         pre->hide();
  83         return FL_CANCEL;
  84 }
  85
  86
  87 void FormBase::ApplyCB(FL_OBJECT * ob, long)
  88 {
  89         FormBase * pre = static_cast<FormBase*>(ob->form->u_vdata);
  90         pre->apply();
  91 }
  92
  93
  94 void FormBase::CancelCB(FL_OBJECT * ob, long)
  95 {
  96         FormBase * pre = static_cast<FormBase*>(ob->form->u_vdata);
  97         pre->hide();
  98 }
  99
 100
 101 void FormBase::InputCB(FL_OBJECT * ob, long data )
 102 {
 103         FormBase * pre = static_cast<FormBase*>(ob->form->u_vdata);
 104         pre->input( data );
 105 }
 106
 107
 108 void FormBase::OKCB(FL_OBJECT * ob, long)
 109 {
 110         FormBase * pre = static_cast<FormBase*>(ob->form->u_vdata);
 111         pre->apply();
 112         pre->hide();
 113 }