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 #ifdef __GNUG__
  15 #pragma implementation
  16 #endif
  17
  18 #include "Dialogs.h"
  19 #include "FormBase.h"
  20 #include "xformsBC.h"
  21 #include "support/LAssert.h"
  22
  23 extern "C" int C_FormBaseWMHideCB(FL_FORM * form, void *);
  24
  25
  26 FormBase::FormBase(ControlBase & c, string const & t)
  27         : ViewBC<xformsBC>(c), minw_(0), minh_(0), title_(t)
  28 {}
  29
  30
  31 void FormBase::redraw()
  32 {
  33         if (form() && form()->visible)
  34                 fl_redraw_form(form());
  35 }
  36
  37
  38 void FormBase::show()
  39 {
  40         if (!form()) {
  41                 build();
  42                 fl_set_form_atclose(form(),
  43                                     C_FormBaseWMHideCB, 0);
  44         }
  45
  46         fl_freeze_form(form());
  47         update();  // make sure its up-to-date
  48         fl_unfreeze_form(form());
  49
  50         if (form()->visible) {
  51                 fl_raise_form(form());
  52                 /* This XMapWindow() will hopefully ensure that
  53                  * iconified dialogs are de-iconified. Mad props
  54                  * out to those crazy Xlib guys for forgetting a
  55                  * XDeiconifyWindow(). At least WindowMaker, when
  56                  * being notified of the redirected MapRequest will
  57                  * specifically de-iconify. From source, fvwm2 seems
  58                  * to do the same.
  59                  */
  60                 XMapWindow(fl_get_display(), form()->window);
  61         } else {
  62                 // calls to fl_set_form_minsize/maxsize apply only to the next
  63                 // fl_show_form(), so this comes first.
  64                 fl_set_form_minsize(form(), minw_, minh_);
  65                 fl_show_form(form(),
  66                              FL_PLACE_MOUSE | FL_FREE_SIZE, 0,
  67                              title_.c_str());
  68         }
  69 }
  70
  71
  72 void FormBase::hide()
  73 {
  74         if (form() && form()->visible)
  75                 fl_hide_form(form());
  76 }
  77
  78
  79 void FormBase::InputCB(FL_OBJECT * ob, long data)
  80 {
  81         bc().input(input(ob, data));
  82 }
  83
  84
  85 static FormBase * GetForm(FL_OBJECT * ob)
  86 {
  87         Assert(ob && ob->form && ob->form->u_vdata);
  88         FormBase * pre = static_cast<FormBase *>(ob->form->u_vdata);
  89         return pre;
  90 }
  91
  92
  93 extern "C" int C_FormBaseWMHideCB(FL_FORM * form, void *)
  94 {
  95         // Close the dialog cleanly, even if the WM is used to do so.
  96         Assert(form && form->u_vdata);
  97         FormBase * pre = static_cast<FormBase *>(form->u_vdata);
  98         pre->CancelButton();
  99         return FL_CANCEL;
 100 }
 101
 102
 103 extern "C" void C_FormBaseApplyCB(FL_OBJECT * ob, long)
 104 {
 105         GetForm(ob)->ApplyButton();
 106 }
 107
 108
 109 extern "C" void C_FormBaseOKCB(FL_OBJECT * ob, long)
 110 {
 111         GetForm(ob)->OKButton();
 112 }
 113
 114
 115 extern "C" void C_FormBaseCancelCB(FL_OBJECT * ob, long)
 116 {
 117         FormBase * form = GetForm(ob);
 118         form->CancelButton();
 119 }
 120
 121
 122 extern "C" void C_FormBaseRestoreCB(FL_OBJECT * ob, long)
 123 {
 124         GetForm(ob)->RestoreButton();
 125 }
 126
 127
 128 extern "C" void C_FormBaseInputCB(FL_OBJECT * ob, long d)
 129 {
 130         GetForm(ob)->InputCB(ob, d);
 131 }