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
  43                 // work around dumb xforms sizing bug
  44                 minw_ = form()->w;
  45                 minh_ = form()->h;
  46
  47                 fl_set_form_atclose(form(),
  48                                     C_FormBaseWMHideCB, 0);
  49         }
  50
  51         fl_freeze_form(form());
  52         update();  // make sure its up-to-date
  53         fl_unfreeze_form(form());
  54
  55         if (form()->visible) {
  56                 fl_raise_form(form());
  57                 /* This XMapWindow() will hopefully ensure that
  58                  * iconified dialogs are de-iconified. Mad props
  59                  * out to those crazy Xlib guys for forgetting a
  60                  * XDeiconifyWindow(). At least WindowMaker, when
  61                  * being notified of the redirected MapRequest will
  62                  * specifically de-iconify. From source, fvwm2 seems
  63                  * to do the same.
  64                  */
  65                 XMapWindow(fl_get_display(), form()->window);
  66         } else {
  67                 // calls to fl_set_form_minsize/maxsize apply only to the next
  68                 // fl_show_form(), so this comes first.
  69                 fl_set_form_minsize(form(), minw_, minh_);
  70                 fl_show_form(form(),
  71                              FL_PLACE_MOUSE | FL_FREE_SIZE, 0,
  72                              title_.c_str());
  73         }
  74 }
  75
  76
  77 void FormBase::hide()
  78 {
  79         if (form() && form()->visible)
  80                 fl_hide_form(form());
  81 }
  82
  83
  84 void FormBase::InputCB(FL_OBJECT * ob, long data)
  85 {
  86         bc().input(input(ob, data));
  87 }
  88
  89
  90 static FormBase * GetForm(FL_OBJECT * ob)
  91 {
  92         Assert(ob && ob->form && ob->form->u_vdata);
  93         FormBase * pre = static_cast<FormBase *>(ob->form->u_vdata);
  94         return pre;
  95 }
  96
  97
  98 extern "C" int C_FormBaseWMHideCB(FL_FORM * form, void *)
  99 {
 100         // Close the dialog cleanly, even if the WM is used to do so.
 101         Assert(form && form->u_vdata);
 102         FormBase * pre = static_cast<FormBase *>(form->u_vdata);
 103         pre->CancelButton();
 104         return FL_CANCEL;
 105 }
 106
 107
 108 extern "C" void C_FormBaseApplyCB(FL_OBJECT * ob, long)
 109 {
 110         GetForm(ob)->ApplyButton();
 111 }
 112
 113
 114 extern "C" void C_FormBaseOKCB(FL_OBJECT * ob, long)
 115 {
 116         GetForm(ob)->OKButton();
 117 }
 118
 119
 120 extern "C" void C_FormBaseCancelCB(FL_OBJECT * ob, long)
 121 {
 122         FormBase * form = GetForm(ob);
 123         form->CancelButton();
 124 }
 125
 126
 127 extern "C" void C_FormBaseRestoreCB(FL_OBJECT * ob, long)
 128 {
 129         GetForm(ob)->RestoreButton();
 130 }
 131
 132
 133 extern "C" void C_FormBaseInputCB(FL_OBJECT * ob, long d)
 134 {
 135         GetForm(ob)->InputCB(ob, d);
 136 }