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, ApplyHideCB)
  27 C_GENERICCB(FormBase, HideCB)
  28 C_GENERICCB(FormBase, InputCB)
  29
  30
  31 FormBase::FormBase(LyXView * lv, Dialogs * d, BufferDependency bd, string const & t)
  32         : dialogIsOpen(false), lv_(lv), u_(0), h_(0), title(t)
  33 {
  34         switch( bd ) {
  35         case BUFFER_DEPENDENT:
  36                 hSignal_ = &d->hideBufferDependent;
  37                 uSignal_ = &d->updateBufferDependent;
  38                 break;
  39         case BUFFER_INDEPENDENT:
  40                 hSignal_ = &d->hideAll;
  41                 uSignal_ = 0;
  42                 break;
  43         }
  44 }
  45
  46
  47 void FormBase::show()
  48 {
  49         if (!form()) {
  50                 build();
  51                 fl_set_form_atclose(form(),
  52                                     C_FormBaseWMHideCB, 0);
  53         }
  54
  55         fl_freeze_form( form() );
  56         update();  // make sure its up-to-date
  57         fl_unfreeze_form( form() );
  58
  59         dialogIsOpen = true;
  60         if (form()->visible) {
  61                 fl_raise_form(form());
  62         } else {
  63                 fl_show_form(form(),
  64                              FL_PLACE_MOUSE | FL_FREE_SIZE,
  65                              FL_TRANSIENT,
  66                              title.c_str());
  67                 connect();
  68         }
  69 }
  70
  71
  72 void FormBase::hide()
  73 {
  74         if (form() && form()->visible) {
  75                 fl_hide_form(form());
  76                 disconnect();
  77         }
  78
  79         // free up the dialog for another inset
  80         dialogIsOpen = false;
  81         clearStore();
  82 }
  83
  84
  85 void FormBase::connect()
  86 {
  87         if ( uSignal_ ) {
  88                 u_ = uSignal_->connect(slot(this, &FormBase::update));
  89         }
  90         h_ = hSignal_->connect(slot(this, &FormBase::hide));
  91 }
  92
  93
  94 void FormBase::disconnect()
  95 {
  96         if (u_) {
  97                 u_.disconnect();
  98         }
  99         h_.disconnect();
 100 }
 101
 102
 103 int FormBase::WMHideCB(FL_FORM * form, void *)
 104 {
 105         // Ensure that the signals (u and h) are disconnected even if the
 106         // window manager is used to close the dialog.
 107         FormBase * pre = static_cast<FormBase*>(form->u_vdata);
 108         pre->hide();
 109         return FL_CANCEL;
 110 }
 111
 112
 113 void FormBase::ApplyCB(FL_OBJECT * ob, long)
 114 {
 115         FormBase * pre = static_cast<FormBase*>(ob->form->u_vdata);
 116         pre->apply();
 117 }
 118
 119
 120 void FormBase::ApplyHideCB(FL_OBJECT * ob, long)
 121 {
 122         FormBase * pre = static_cast<FormBase*>(ob->form->u_vdata);
 123         pre->apply();
 124         pre->hide();
 125 }
 126
 127
 128 void FormBase::HideCB(FL_OBJECT * ob, long)
 129 {
 130         FormBase * pre = static_cast<FormBase*>(ob->form->u_vdata);
 131         pre->hide();
 132 }
 133
 134
 135 void FormBase::InputCB(FL_OBJECT * ob, long data )
 136 {
 137         FormBase * pre = static_cast<FormBase*>(ob->form->u_vdata);
 138         pre->input( data );
 139 }