src/frontends/xforms/FormCopyright.C

   1 /* FormCopyright.C
   2  * FormCopyright Interface Class Implementation
   3  */
   4
   5 #include <config.h>
   6
   7 #include FORMS_H_LOCATION
   8
   9 #ifdef __GNUG__
  10 #pragma implementation
  11 #endif
  12
  13 #include "xform_macros.h"
  14 #include "form_copyright.h"
  15 #include "FormCopyright.h"
  16 #include "Dialogs.h"
  17 #include "LyXView.h"
  18 #include "lyx_gui_misc.h"
  19 #include "gettext.h"
  20
  21 C_RETURNCB(FormCopyright, WMHideCB)
  22 C_GENERICCB(FormCopyright, OKCB)
  23
  24 FormCopyright::FormCopyright(LyXView * lv, Dialogs * d)
  25         : dialog_(0), lv_(lv), d_(d), h_(0)
  26 {
  27         // let the dialog be shown
  28         // This is a permanent connection so we won't bother
  29         // storing a copy because we won't be disconnecting.
  30         d->showCopyright.connect(slot(this, &FormCopyright::show));
  31 }
  32
  33
  34 FormCopyright::~FormCopyright()
  35 {
  36         free();
  37 }
  38
  39
  40 void FormCopyright::build()
  41 {
  42   dialog_ = build_copyright();
  43 }
  44
  45
  46 void FormCopyright::show()
  47 {
  48         if (!dialog_) {
  49                 build();
  50                 fl_set_form_atclose(dialog_->form_copyright,
  51                                     C_FormCopyrightWMHideCB, 0);
  52         }
  53
  54         if (dialog_->form_copyright->visible) {
  55                 fl_raise_form(dialog_->form_copyright);
  56         } else {
  57                 fl_show_form(dialog_->form_copyright,
  58                              FL_PLACE_MOUSE,
  59                              FL_FULLBORDER,
  60                              _("Copyright and Warranty"));
  61                 h_ = d_->hideAll.connect(slot(this, &FormCopyright::hide));
  62         }
  63 }
  64
  65
  66 void FormCopyright::hide()
  67 {
  68         if (dialog_
  69             && dialog_->form_copyright
  70             && dialog_->form_copyright->visible) {
  71                 fl_hide_form(dialog_->form_copyright);
  72                 h_.disconnect();
  73         }
  74         free();
  75 }
  76
  77
  78 void FormCopyright::free()
  79 {
  80         // we don't need to delete h here because
  81         // hide() does that after disconnecting.
  82         if (dialog_) {
  83                 if (dialog_->form_copyright
  84                     && dialog_->form_copyright->visible) {
  85                         hide();
  86                 }
  87                 fl_free_form(dialog_->form_copyright);
  88                 delete dialog_;
  89                 dialog_ = 0;
  90         }
  91 }
  92
  93
  94 int FormCopyright::WMHideCB(FL_FORM * form, void *)
  95 {
  96         // Ensure that the signal h is disconnected even if the
  97         // window manager is used to close the dialog.
  98         FormCopyright * pre = static_cast<FormCopyright*>(form->u_vdata);
  99         pre->hide();
 100         return FL_CANCEL;
 101 }
 102
 103
 104 void FormCopyright::OKCB(FL_OBJECT * ob, long)
 105 {
 106         FormCopyright * pre = static_cast<FormCopyright*>(ob->form->u_vdata);
 107         pre->hide();
 108 }