src/frontends/xforms/FormBase.C

   1 /* This file is part of
   2  * ======================================================
   3  *
   4  *           LyX, The Document Processor
   5  *
   6  *           Copyright 2000-2001 The LyX Team.
   7  *
   8  * ======================================================
   9  *
  10  * \author Angus Leeming <a.leeming@ic.ac.uk>
  11  */
  12
  13 #include <config.h>
  14
  15 #ifdef __GNUG__
  16 #pragma implementation
  17 #endif
  18
  19 #include "Dialogs.h"
  20 #include "FormBase.h"
  21 #include "xformsBC.h"
  22 #include "support/LAssert.h"
  23
  24 extern "C" int C_FormBaseWMHideCB(FL_FORM * form, void *);
  25
  26
  27 FormBase::FormBase(ControlButtons & c, string const & t)
  28         : ViewBC<xformsBC>(c), minw_(0), minh_(0), title_(t)
  29 {}
  30
  31
  32 void FormBase::redraw()
  33 {
  34         if (form() && form()->visible)
  35                 fl_redraw_form(form());
  36 }
  37
  38
  39 void FormBase::show()
  40 {
  41         if (!form()) {
  42                 build();
  43
  44                 bc().refresh();
  45
  46                 // work around dumb xforms sizing bug
  47                 minw_ = form()->w;
  48                 minh_ = form()->h;
  49
  50                 fl_set_form_atclose(form(), 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         lyx::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"
 111 int C_FormBaseWMHideCB(FL_FORM * form, void *)
 112 {
 113         // Close the dialog cleanly, even if the WM is used to do so.
 114         lyx::Assert(form && form->u_vdata);
 115         FormBase * pre = static_cast<FormBase *>(form->u_vdata);
 116         pre->CancelButton();
 117         return FL_CANCEL;
 118 }
 119
 120
 121 extern "C" void C_FormBaseApplyCB(FL_OBJECT * ob, long)
 122 {
 123         GetForm(ob)->ApplyButton();
 124 }
 125
 126
 127 extern "C" void C_FormBaseOKCB(FL_OBJECT * ob, long)
 128 {
 129         GetForm(ob)->OKButton();
 130 }
 131
 132
 133 extern "C" void C_FormBaseCancelCB(FL_OBJECT * ob, long)
 134 {
 135         FormBase * form = GetForm(ob);
 136         form->CancelButton();
 137 }
 138
 139
 140 extern "C" void C_FormBaseRestoreCB(FL_OBJECT * ob, long)
 141 {
 142         GetForm(ob)->RestoreButton();
 143 }
 144
 145
 146 extern "C" void C_FormBaseInputCB(FL_OBJECT * ob, long d)
 147 {
 148         GetForm(ob)->InputCB(ob, d);
 149 }