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(ControlButtons & 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                 bc().refresh();
  46
  47                 // work around dumb xforms sizing bug
  48                 minw_ = form()->w;
  49                 minh_ = form()->h;
  50
  51                 fl_set_form_atclose(form(),
  52                                     C_FormBaseWMHideCB, 0);
  53         }
  54
  55         fl_freeze_form(form());
  56         update();  // make sure its up-to-date
  57         fl_unfreeze_form(form());
  58
  59         if (form()->visible) {
  60                 fl_raise_form(form());
  61                 /* This XMapWindow() will hopefully ensure that
  62                  * iconified dialogs are de-iconified. Mad props
  63                  * out to those crazy Xlib guys for forgetting a
  64                  * XDeiconifyWindow(). At least WindowMaker, when
  65                  * being notified of the redirected MapRequest will
  66                  * specifically de-iconify. From source, fvwm2 seems
  67                  * to do the same.
  68                  */
  69                 XMapWindow(fl_get_display(), form()->window);
  70         } else {
  71                 // calls to fl_set_form_minsize/maxsize apply only to the next
  72                 // fl_show_form(), so this comes first.
  73                 fl_set_form_minsize(form(), minw_, minh_);
  74                 fl_show_form(form(),
  75                              FL_PLACE_MOUSE | FL_FREE_SIZE, 0,
  76                              title_.c_str());
  77         }
  78 }
  79
  80
  81 void FormBase::hide()
  82 {
  83         if (form() && form()->visible)
  84                 fl_hide_form(form());
  85 }
  86
  87
  88 void FormBase::InputCB(FL_OBJECT * ob, long data)
  89 {
  90         bc().input(input(ob, data));
  91 }
  92
  93
  94 ButtonPolicy::SMInput FormBase::input(FL_OBJECT *, long)
  95 {
  96         return ButtonPolicy::SMI_VALID;
  97 }
  98
  99
 100 namespace {
 101
 102 FormBase * GetForm(FL_OBJECT * ob)
 103 {
 104         Assert(ob && ob->form && ob->form->u_vdata);
 105         FormBase * pre = static_cast<FormBase *>(ob->form->u_vdata);
 106         return pre;
 107 }
 108
 109 } // namespace anon
 110
 111
 112 extern "C" int C_FormBaseWMHideCB(FL_FORM * form, void *)
 113 {
 114         // Close the dialog cleanly, even if the WM is used to do so.
 115         Assert(form && form->u_vdata);
 116         FormBase * pre = static_cast<FormBase *>(form->u_vdata);
 117         pre->CancelButton();
 118         return FL_CANCEL;
 119 }
 120
 121
 122 extern "C" void C_FormBaseApplyCB(FL_OBJECT * ob, long)
 123 {
 124         GetForm(ob)->ApplyButton();
 125 }
 126
 127
 128 extern "C" void C_FormBaseOKCB(FL_OBJECT * ob, long)
 129 {
 130         GetForm(ob)->OKButton();
 131 }
 132
 133
 134 extern "C" void C_FormBaseCancelCB(FL_OBJECT * ob, long)
 135 {
 136         FormBase * form = GetForm(ob);
 137         form->CancelButton();
 138 }
 139
 140
 141 extern "C" void C_FormBaseRestoreCB(FL_OBJECT * ob, long)
 142 {
 143         GetForm(ob)->RestoreButton();
 144 }
 145
 146
 147 extern "C" void C_FormBaseInputCB(FL_OBJECT * ob, long d)
 148 {
 149         GetForm(ob)->InputCB(ob, d);
 150 }