src/frontends/xforms/FormCommand.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
  21 #include "Dialogs.h"
  22 #include "FormCommand.h"
  23 #include "xform_macros.h"
  24
  25 C_RETURNCB(FormCommand, WMHideCB)
  26 C_GENERICCB(FormCommand, ApplyCB)
  27 C_GENERICCB(FormCommand, CancelCB)
  28 C_GENERICCB(FormCommand, InputCB)
  29 C_GENERICCB(FormCommand, OKCB)
  30
  31 FormCommand::FormCommand(LyXView * lv, Dialogs * d, string const & t)
  32         : lv_(lv), d_(d), u_(0), h_(0), ih_(0),
  33           inset_(0), dialogIsOpen(false), title(t)
  34 {}
  35
  36
  37 void FormCommand::showInset( InsetCommand * const inset )
  38 {
  39         if( dialogIsOpen || inset == 0 ) return;
  40
  41         inset_ = inset;
  42         ih_ = inset_->hide.connect(slot(this, &FormCommand::hide));
  43
  44         params = inset->params();
  45         show();
  46 }
  47
  48
  49 void FormCommand::createInset( string const & arg )
  50 {
  51         if( dialogIsOpen ) return;
  52
  53         params.setFromString( arg );
  54         show();
  55 }
  56
  57
  58 void FormCommand::show()
  59 {
  60         if (!form()) {
  61                 build();
  62                 fl_set_form_atclose(form(),
  63                                     C_FormCommandWMHideCB, 0);
  64         }
  65
  66         fl_freeze_form( form() );
  67         update();  // make sure its up-to-date
  68         fl_unfreeze_form( form() );
  69
  70         dialogIsOpen = true;
  71         if (form()->visible) {
  72                 fl_raise_form(form());
  73         } else {
  74                 fl_show_form(form(),
  75                              FL_PLACE_MOUSE | FL_FREE_SIZE,
  76                              FL_TRANSIENT,
  77                              title.c_str());
  78                 u_ = d_->updateBufferDependent.
  79                          connect(slot(this, &FormCommand::update));
  80                 h_ = d_->hideBufferDependent.
  81                          connect(slot(this, &FormCommand::hide));
  82         }
  83 }
  84
  85
  86 void FormCommand::free()
  87 {
  88         // we don't need to delete u and h here because
  89         // hide() does that after disconnecting.
  90         if( form() ) {
  91                 if( form()->visible)
  92                         hide();
  93                 fl_free_form(form());
  94         }
  95 }
  96
  97
  98 void FormCommand::hide()
  99 {
 100         if (form() && form()->visible) {
 101                 fl_hide_form(form());
 102                 u_.disconnect();
 103                 h_.disconnect();
 104         }
 105
 106         // free up the dialog for another inset
 107         inset_ = 0;
 108         ih_.disconnect();
 109         dialogIsOpen = false;
 110 }
 111
 112
 113 int FormCommand::WMHideCB(FL_FORM * form, void *)
 114 {
 115         // Ensure that the signals (u and h) are disconnected even if the
 116         // window manager is used to close the dialog.
 117         FormCommand * pre = static_cast<FormCommand*>(form->u_vdata);
 118         pre->hide();
 119         return FL_CANCEL;
 120 }
 121
 122
 123 void FormCommand::ApplyCB(FL_OBJECT * ob, long)
 124 {
 125         FormCommand * pre = static_cast<FormCommand*>(ob->form->u_vdata);
 126         pre->apply();
 127 }
 128
 129
 130 void FormCommand::CancelCB(FL_OBJECT * ob, long)
 131 {
 132         FormCommand * pre = static_cast<FormCommand*>(ob->form->u_vdata);
 133         pre->hide();
 134 }
 135
 136
 137 void FormCommand::InputCB(FL_OBJECT * ob, long data )
 138 {
 139         FormCommand * pre = static_cast<FormCommand*>(ob->form->u_vdata);
 140         pre->input( data );
 141 }
 142
 143
 144 void FormCommand::OKCB(FL_OBJECT * ob, long)
 145 {
 146         FormCommand * pre = static_cast<FormCommand*>(ob->form->u_vdata);
 147         pre->apply();
 148         pre->hide();
 149 }
 150
 151