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  * \author Angus Leeming <a.leeming@ic.ac.uk>
  12  */
  13
  14 #include <config.h>
  15
  16 #ifdef __GNUG__
  17 #pragma implementation
  18 #endif
  19
  20 #include "Dialogs.h"
  21 #include "FormBase.h"
  22 #include "xformsBC.h"
  23 #include "support/LAssert.h"
  24
  25 extern "C" int C_FormBaseWMHideCB(FL_FORM * form, void *);
  26
  27
  28 FormBase::FormBase(ControlButton & c, string const & t)
  29         : ViewBC<xformsBC>(c), minw_(0), minh_(0), title_(t)
  30 {}
  31
  32
  33 void FormBase::redraw()
  34 {
  35         if (form() && form()->visible)
  36                 fl_redraw_form(form());
  37 }
  38
  39
  40 void FormBase::show()
  41 {
  42         if (!form()) {
  43                 build();
  44
  45                 // work around dumb xforms sizing bug
  46                 minw_ = form()->w;
  47                 minh_ = form()->h;
  48
  49                 fl_set_form_atclose(form(),
  50                                     C_FormBaseWMHideCB, 0);
  51         }
  52
  53         fl_freeze_form(form());
  54         update();  // make sure its up-to-date
  55         fl_unfreeze_form(form());
  56
  57         if (form()->visible) {
  58                 fl_raise_form(form());
  59                 /* This XMapWindow() will hopefully ensure that
  60                  * iconified dialogs are de-iconified. Mad props
  61                  * out to those crazy Xlib guys for forgetting a
  62                  * XDeiconifyWindow(). At least WindowMaker, when
  63                  * being notified of the redirected MapRequest will
  64                  * specifically de-iconify. From source, fvwm2 seems
  65                  * to do the same.
  66                  */
  67                 XMapWindow(fl_get_display(), form()->window);
  68         } else {
  69                 // calls to fl_set_form_minsize/maxsize apply only to the next
  70                 // fl_show_form(), so this comes first.
  71                 fl_set_form_minsize(form(), minw_, minh_);
  72                 fl_show_form(form(),
  73                              FL_PLACE_MOUSE | FL_FREE_SIZE, 0,
  74                              title_.c_str());
  75         }
  76 }
  77
  78
  79 void FormBase::hide()
  80 {
  81         if (form() && form()->visible)
  82                 fl_hide_form(form());
  83 }
  84
  85
  86 void FormBase::InputCB(FL_OBJECT * ob, long data)
  87 {
  88         bc().input(input(ob, data));
  89 }
  90
  91
  92 ButtonPolicy::SMInput FormBase::input(FL_OBJECT *, long)
  93 {
  94         return ButtonPolicy::SMI_VALID;
  95 }
  96
  97
  98 namespace {
  99
 100 FormBase * GetForm(FL_OBJECT * ob)
 101 {
 102         Assert(ob && ob->form && ob->form->u_vdata);
 103         FormBase * pre = static_cast<FormBase *>(ob->form->u_vdata);
 104         return pre;
 105 }
 106
 107 } // namespace anon
 108
 109
 110 extern "C" int C_FormBaseWMHideCB(FL_FORM * form, void *)
 111 {
 112         // Close the dialog cleanly, even if the WM is used to do so.
 113         Assert(form && form->u_vdata);
 114         FormBase * pre = static_cast<FormBase *>(form->u_vdata);
 115         pre->CancelButton();
 116         return FL_CANCEL;
 117 }
 118
 119
 120 extern "C" void C_FormBaseApplyCB(FL_OBJECT * ob, long)
 121 {
 122         GetForm(ob)->ApplyButton();
 123 }
 124
 125
 126 extern "C" void C_FormBaseOKCB(FL_OBJECT * ob, long)
 127 {
 128         GetForm(ob)->OKButton();
 129 }
 130
 131
 132 extern "C" void C_FormBaseCancelCB(FL_OBJECT * ob, long)
 133 {
 134         FormBase * form = GetForm(ob);
 135         form->CancelButton();
 136 }
 137
 138
 139 extern "C" void C_FormBaseRestoreCB(FL_OBJECT * ob, long)
 140 {
 141         GetForm(ob)->RestoreButton();
 142 }
 143
 144
 145 extern "C" void C_FormBaseInputCB(FL_OBJECT * ob, long d)
 146 {
 147         GetForm(ob)->InputCB(ob, d);
 148 }