]> 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 d2547f63202e869bfa86321ab08c584059381678..4486572f8846d55616ad08e1c690dd35232d95e3 100644 (file)
@@ -1,12 +1,11 @@
-// -*- 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>
 #pragma implementation
 #endif
 
-#include "Dialogs.h"
 #include "FormBase.h"
+
+#include "ControlButtons.h"
 #include "xformsBC.h"
+#include "xforms_resize.h"
+#include "Tooltips.h"
+
 #include "support/LAssert.h"
+#include "support/filetools.h" //  LibFileSearch
+
+#include FORMS_H_LOCATION
+
+extern "C" {
+
+// 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" int C_FormBaseWMHideCB(FL_FORM * form, void *);
+} // extern "C"
 
 
-FormBase::FormBase(ControlBase & c, string const & t)
-       : ViewBC<xformsBC>(c), minw_(0), minh_(0), title_(t)
+FormBase::FormBase(string const & t, bool allowResize)
+       : ViewBase(), minw_(0), minh_(0), allow_resize_(allowResize),
+         title_(t), tooltips_(new Tooltips())
 {}
 
 
+FormBase::~FormBase()
+{
+       delete tooltips_;
+}
+
+
+Tooltips & FormBase::tooltips()
+{
+       return *tooltips_;
+}
+
+
 void FormBase::redraw()
 {
        if (form() && form()->visible)
@@ -35,17 +63,33 @@ void FormBase::redraw()
 }
 
 
+xformsBC & FormBase::bc()
+{
+       return static_cast<xformsBC &>(getController().bc());
+       // return dynamic_cast<GUIbc &>(controller_ptr_->bc());
+}
+
+
 void FormBase::show()
 {
        if (!form()) {
                build();
+       }
+
+       // 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_FormBaseWMHideCB, 0);
+               fl_set_form_atclose(form(), C_WMHideCB, 0);
        }
 
        fl_freeze_form(form());
@@ -54,87 +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);
+               /* 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 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, 0,
-                            title_.c_str());
+                            FL_PLACE_MOUSE | FL_FREE_SIZE,
+                            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()
 {
+       // 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());
 }
 
 
+void FormBase::setPrehandler(FL_OBJECT * ob)
+{
+       lyx::Assert(ob);
+       fl_set_object_prehandler(ob, C_PrehandlerCB);
+}
+
+
 void FormBase::InputCB(FL_OBJECT * ob, long data)
 {
+       // 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));
 }
 
 
+ButtonPolicy::SMInput FormBase::input(FL_OBJECT *, long)
+{
+       return ButtonPolicy::SMI_VALID;
+}
+
+
 namespace {
 
 FormBase * GetForm(FL_OBJECT * ob)
 {
-       Assert(ob && ob->form && ob->form->u_vdata);
-       FormBase * pre = static_cast<FormBase *>(ob->form->u_vdata);
-       return pre;
+       lyx::Assert(ob && ob->form && ob->form->u_vdata);
+       FormBase * ptr = static_cast<FormBase *>(ob->form->u_vdata);
+       return ptr;
 }
 
 } // namespace anon
 
 
-extern "C" int C_FormBaseWMHideCB(FL_FORM * form, void *)
+extern "C" {
+
+void C_FormBaseApplyCB(FL_OBJECT * ob, long)
 {
-       // Close the dialog cleanly, even if the WM is used to do so.
-       Assert(form && form->u_vdata);
-       FormBase * pre = static_cast<FormBase *>(form->u_vdata);
-       pre->CancelButton();
-       return FL_CANCEL;
+       GetForm(ob)->getController().ApplyButton();
 }
 
 
-extern "C" void C_FormBaseApplyCB(FL_OBJECT * ob, long)
+void C_FormBaseOKCB(FL_OBJECT * ob, long)
 {
-       GetForm(ob)->ApplyButton();
+       GetForm(ob)->getController().OKButton();
 }
 
 
-extern "C" void C_FormBaseOKCB(FL_OBJECT * ob, long)
+void C_FormBaseCancelCB(FL_OBJECT * ob, long)
 {
-       GetForm(ob)->OKButton();
+       FormBase * form = GetForm(ob);
+       form->getController().CancelButton();
 }
 
 
-extern "C" void C_FormBaseCancelCB(FL_OBJECT * ob, long)
+void C_FormBaseRestoreCB(FL_OBJECT * ob, long)
 {
-       FormBase * form = GetForm(ob);
-       form->CancelButton();
+       GetForm(ob)->getController().RestoreButton();
 }
 
 
-extern "C" void C_FormBaseRestoreCB(FL_OBJECT * ob, long)
+void C_FormBaseInputCB(FL_OBJECT * ob, long d)
 {
-       GetForm(ob)->RestoreButton();
+       GetForm(ob)->InputCB(ob, d);
 }
 
 
-extern "C" void C_FormBaseInputCB(FL_OBJECT * ob, long d)
+static int C_WMHideCB(FL_FORM * form, void *)
 {
-       GetForm(ob)->InputCB(ob, d);
+       // 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;
 }
+
+static int C_PrehandlerCB(FL_OBJECT * ob, int event,
+                         FL_Coord, FL_Coord, int key, void *)
+{
+       // 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"