]> git.lyx.org Git - lyx.git/blobdiff - src/frontends/xforms/FormBase.C
Yet more dialog tweaking from Rob.
[lyx.git] / src / frontends / xforms / FormBase.C
index c1f17f9a4bf70c5560951f56631f3c76fd518724..4486572f8846d55616ad08e1c690dd35232d95e3 100644 (file)
@@ -1,87 +1,72 @@
-// -*- C++ -*-
-/* This file is part of
- * ====================================================== 
+/**
+ * \file FormBase.C
+ * This file is part of LyX, the document processor.
+ * Licence details can be found in the file COPYING.
  *
- *           LyX, The Document Processor
+ * \author Angus Leeming 
  *
- *           Copyright 2000 The LyX Team.
- *
- * ======================================================
+ * Full author contact details are available in file CREDITS
  */
 
 #include <config.h>
 
-#include FORMS_H_LOCATION
-
 #ifdef __GNUG__
 #pragma implementation
 #endif
 
-#include "Dialogs.h"
 #include "FormBase.h"
-#include "LyXView.h"
+
+#include "ControlButtons.h"
+#include "xformsBC.h"
+#include "xforms_resize.h"
+#include "Tooltips.h"
+
 #include "support/LAssert.h"
-//#include "debug.h"
+#include "support/filetools.h" //  LibFileSearch
 
-extern "C" int C_FormBaseWMHideCB(FL_FORM * ob, void * d)
-{
-       return FormBase::WMHideCB(ob, d);
-}
-extern "C" void C_FormBaseApplyCB(FL_OBJECT * ob, long d)
-{
-       FormBase::ApplyCB(ob, d);
-}
-extern "C" void C_FormBaseOKCB(FL_OBJECT * ob, long d)
-{
-       FormBase::OKCB(ob, d);
-}
-extern "C" void C_FormBaseCancelCB(FL_OBJECT * ob, long d)
-{
-       FormBase::CancelCB(ob, d);
-}
-extern "C" void C_FormBaseInputCB(FL_OBJECT * ob, long d)
-{
-       FormBase::InputCB(ob, d);
-}
-extern "C" void C_FormBaseRestoreCB(FL_OBJECT * ob, long d)
-{
-       FormBase::RestoreCB(ob, d);
-}
+#include FORMS_H_LOCATION
 
+extern "C" {
 
-FormBase::FormBase(LyXView * lv, Dialogs * d, string const & t,
-                  ButtonPolicy * bp, char const * close, char const * cancel)
-       : lv_(lv), bc_(bp, cancel, close), d_(d), h_(0), r_(0), title(t),
-         bp_(bp), minw_(0), minh_(0)
-{
-       Assert(lv && d && bp);
-}
+// Callback function invoked by xforms when the dialog is closed by the
+// window manager
+static int C_WMHideCB(FL_FORM * form, void *);
+
+// Callback function invoked by the xforms pre- and post-handler routines
+static int C_PrehandlerCB(FL_OBJECT *, int, FL_Coord, FL_Coord, int, void *);
+
+} // extern "C"
+
+
+FormBase::FormBase(string const & t, bool allowResize)
+       : ViewBase(), minw_(0), minh_(0), allow_resize_(allowResize),
+         title_(t), tooltips_(new Tooltips())
+{}
 
 
 FormBase::~FormBase()
 {
-       delete bp_;
+       delete tooltips_;
 }
 
 
-void FormBase::redraw()
+Tooltips & FormBase::tooltips()
 {
-       if (form() && form()->visible)
-               fl_redraw_form(form());
+       return *tooltips_;
 }
 
 
-void FormBase::connect()
+void FormBase::redraw()
 {
-       fl_set_form_minsize(form(), minw_, minh_);
-       r_ = Dialogs::redrawGUI.connect(slot(this, &FormBase::redraw));
+       if (form() && form()->visible)
+               fl_redraw_form(form());
 }
 
 
-void FormBase::disconnect()
+xformsBC & FormBase::bc()
 {
-       h_.disconnect();
-       r_.disconnect();
+       return static_cast<xformsBC &>(getController().bc());
+       // return dynamic_cast<GUIbc &>(controller_ptr_->bc());
 }
 
 
@@ -89,8 +74,22 @@ void FormBase::show()
 {
        if (!form()) {
                build();
-               fl_set_form_atclose(form(),
-                                   C_FormBaseWMHideCB, 0);
+       }
+
+       // use minw_ to flag whether the dialog has ever been shown
+       // (Needed now that build() is/should be called from the controller)
+       if (minw_ == 0) {
+               double const scale = scale_to_fit_tabs(form());
+               if (scale > 1.001)
+                       scale_form(form(), scale);
+
+               bc().refresh();
+
+               // work around dumb xforms sizing bug
+               minw_ = form()->w;
+               minh_ = form()->h;
+
+               fl_set_form_atclose(form(), C_WMHideCB, 0);
        }
 
        fl_freeze_form(form());
@@ -99,125 +98,166 @@ void FormBase::show()
 
        if (form()->visible) {
                fl_raise_form(form());
+               /* This XMapWindow() will hopefully ensure that
+                * iconified dialogs are de-iconified. Mad props
+                * out to those crazy Xlib guys for forgetting a
+                * XDeiconifyWindow(). At least WindowMaker, when
+                * being notified of the redirected MapRequest will
+                * specifically de-iconify. From source, fvwm2 seems
+                * to do the same.
+                */
+               XMapWindow(fl_get_display(), form()->window);
        } else {
                // calls to fl_set_form_minsize/maxsize apply only to the next
-               // fl_show_form(), so connect() comes first.
-               connect();
+               // fl_show_form(), so this comes first.
+               fl_set_form_minsize(form(), minw_, minh_);
+               if (!allow_resize_)
+                       fl_set_form_maxsize(form(), minw_, minh_);
+
+               string const maximize_title = "LyX: " + title_;
+               int const iconify_policy = getController().IconifyWithMain() ?
+                                               FL_TRANSIENT : 0;
+
                fl_show_form(form(),
                             FL_PLACE_MOUSE | FL_FREE_SIZE,
-                            FL_TRANSIENT,
-                            title.c_str());
+                            iconify_policy,
+                            maximize_title.c_str());
+
+               if (iconify_policy == 0) {
+                       // set title for minimized form
+                       string const minimize_title = title_;
+                       fl_winicontitle(form()->window, minimize_title.c_str());
+
+                       //  assign an icon to form
+                       string const iconname = LibFileSearch("images", "lyx", "xpm");
+                       if (!iconname.empty()) {
+                               unsigned int w, h;
+                               Pixmap icon_mask;
+                               Pixmap const icon_p = fl_read_pixmapfile(fl_root,
+                                                       iconname.c_str(),
+                                                       &w,
+                                                       &h,
+                                                       &icon_mask,
+                                                       0, 0, 0); // this leaks
+                               fl_set_form_icon(form(), icon_p, icon_mask);
+                       }
+               }
        }
+
+       tooltips().set();
 }
 
 
 void FormBase::hide()
 {
-       if (form() && form()->visible) {
-               // some dialogs might do things to the form first
-               // such as the nested tabfolder problem in Preferences
-               disconnect();
+       // xforms sometimes tries to process a hint-type MotionNotify, and
+       // use XQueryPointer, without verifying if the window still exists.
+       // So we try to clear out motion events in the queue before the
+       // DestroyNotify
+       XSync(fl_get_display(), false);
+
+       if (form() && form()->visible)
                fl_hide_form(form());
-       }
 }
 
 
-int FormBase::WMHideCB(FL_FORM * form, void *)
+void FormBase::setPrehandler(FL_OBJECT * ob)
 {
-       Assert(form);
-       // Ensure that the signals (u and h) are disconnected even if the
-       // window manager is used to close the dialog.
-       FormBase * pre = static_cast<FormBase*>(form->u_vdata);
-       Assert(pre);
-       pre->hide();
-       pre->bc_.hide();
-       return FL_CANCEL;
+       lyx::Assert(ob);
+       fl_set_object_prehandler(ob, C_PrehandlerCB);
 }
 
 
-void FormBase::ApplyCB(FL_OBJECT * ob, long)
+void FormBase::InputCB(FL_OBJECT * ob, long data)
 {
-       Assert(ob && ob->form);
-       FormBase * pre = static_cast<FormBase*>(ob->form->u_vdata);
-       Assert(pre);
-       pre->apply();
-       pre->bc_.apply();
+       // It is possible to set the choice to 0 when using the
+       // keyboard shortcuts. This work-around deals with the problem.
+       if (ob && ob->objclass == FL_CHOICE && fl_get_choice(ob) < 1) {
+               fl_set_choice(ob, 1);
+       }
+
+       bc().input(input(ob, data));
 }
 
 
-void FormBase::OKCB(FL_OBJECT * ob, long)
+ButtonPolicy::SMInput FormBase::input(FL_OBJECT *, long)
 {
-       Assert(ob && ob->form);
-       FormBase * pre = static_cast<FormBase*>(ob->form->u_vdata);
-       Assert(pre);
-       pre->ok();
-       pre->bc_.ok();
+       return ButtonPolicy::SMI_VALID;
 }
 
 
-void FormBase::CancelCB(FL_OBJECT * ob, long)
+namespace {
+
+FormBase * GetForm(FL_OBJECT * ob)
 {
-       Assert(ob && ob->form);
-       FormBase * pre = static_cast<FormBase*>(ob->form->u_vdata);
-       Assert(pre);
-       pre->cancel();
-       pre->bc_.cancel();
+       lyx::Assert(ob && ob->form && ob->form->u_vdata);
+       FormBase * ptr = static_cast<FormBase *>(ob->form->u_vdata);
+       return ptr;
 }
 
+} // namespace anon
 
-void FormBase::InputCB(FL_OBJECT * ob, long data)
+
+extern "C" {
+
+void C_FormBaseApplyCB(FL_OBJECT * ob, long)
 {
-       Assert(ob && ob->form);
-       FormBase * pre = static_cast<FormBase*>(ob->form->u_vdata);
-       Assert(ob);
-       pre->bc_.valid(pre->input(ob, data));
+       GetForm(ob)->getController().ApplyButton();
 }
 
 
-void FormBase::RestoreCB(FL_OBJECT * ob, long)
+void C_FormBaseOKCB(FL_OBJECT * ob, long)
 {
-       Assert(ob && ob->form);
-       FormBase * pre = static_cast<FormBase*>(ob->form->u_vdata);
-       Assert(ob);
-       pre->restore();
-       pre->bc_.undoAll();
+       GetForm(ob)->getController().OKButton();
 }
 
 
-FormBaseBI::FormBaseBI(LyXView * lv, Dialogs * d, string const & t,
-                      ButtonPolicy * bp,
-                      char const * close, char const * cancel)
-       : FormBase(lv, d, t, bp, close, cancel)
-{}
+void C_FormBaseCancelCB(FL_OBJECT * ob, long)
+{
+       FormBase * form = GetForm(ob);
+       form->getController().CancelButton();
+}
 
 
-void FormBaseBI::connect()
+void C_FormBaseRestoreCB(FL_OBJECT * ob, long)
 {
-       h_ = d_->hideAll.connect(slot(this, &FormBaseBI::hide));
-       FormBase::connect();
+       GetForm(ob)->getController().RestoreButton();
 }
 
 
-FormBaseBD::FormBaseBD(LyXView * lv, Dialogs * d, string const & t,
-                      ButtonPolicy * bp,
-                      char const * close, char const * cancel)
-       : FormBase(lv, d, t, bp, close, cancel),
-         u_(0)
-{}
+void C_FormBaseInputCB(FL_OBJECT * ob, long d)
+{
+       GetForm(ob)->InputCB(ob, d);
+}
 
 
-void FormBaseBD::connect()
+static int C_WMHideCB(FL_FORM * form, void *)
 {
-       u_ = d_->updateBufferDependent.
-                connect(slot(this, &FormBaseBD::updateSlot));
-       h_ = d_->hideBufferDependent.
-                connect(slot(this, &FormBaseBD::hide));
-       FormBase::connect();
+       // Close the dialog cleanly, even if the WM is used to do so.
+       lyx::Assert(form && form->u_vdata);
+       FormBase * ptr = static_cast<FormBase *>(form->u_vdata);
+       ptr->getController().CancelButton();
+       return FL_CANCEL;
 }
 
-
-void FormBaseBD::disconnect()
+static int C_PrehandlerCB(FL_OBJECT * ob, int event,
+                         FL_Coord, FL_Coord, int key, void *)
 {
-       u_.disconnect();
-       FormBase::disconnect();
+       // Note that the return value is important in the pre-emptive handler.
+       // Don't return anything other than 0.
+       lyx::Assert(ob);
+
+       // Don't Assert this one, as it can happen quite naturally when things
+       // are being deleted in the d-tor.
+       //Assert(ob->form);
+       if (!ob->form) return 0;
+
+       FormBase * ptr = static_cast<FormBase *>(ob->form->u_vdata);
+
+       if (ptr)
+               ptr->PrehandlerCB(ob, event, key);
+
+       return 0;
 }
+
+} // extern "C"