src/frontends/xforms/FormCopyright.C

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