John's splash patch

git-svn-id: svn://svn.lyx.org/lyx/lyx-devel/trunk@1740 a592a061-630c-0410-9148-cb99ea01b6c8

src/BufferView_pimpl.C

@@ -349,7 +349,8 @@ int BufferView::Pimpl::resizeCurrentBuffer()
 	bv_->setState();
 	AllowInput(bv_);
 
-	owner_->getDialogs()->hideSplash();
+	/// get rid of the splash screen if it's not gone already
+	owner_->getDialogs()->destroySplash();
  
 	return 0;
 }

src/ChangeLog

@@ -3,6 +3,10 @@
 	* lyx.C:
 	* lyx.h: strip external form
 
+2001-03-12  John Levon  <moz@compsoc.man.ac.uk>
+
+	* BufferView_pimpl.C: add comment, destroySplash()
+
 2001-03-12  Lars Gullik Bjønnes  <larsbj@trylle.birdstep.com>
 
 	* buffer.C: add using std::stringstream.

src/frontends/ChangeLog

@@ -2,6 +2,12 @@
 
 	* Dialogs.h: add showExternal signal
 
+2001-03-12  John Levon  <moz@compsoc.man.ac.uk>
+
+	* Dialogs.h: add pointer to splash form
+
+	* GUIRunTime.h: minor cleanup
+
 2001-02-26  John Levon  <moz@compsoc.man.ac.uk>
 
 	* Makefile.am

src/frontends/Dialogs.h

@@ -29,6 +29,8 @@ class DialogBase;
 // Maybe this should be a UIFunc modelled on LyXFunc
 class LyXView;
 
+class FormSplash;
+
 class InsetGraphics;
 class InsetBibKey;
 class InsetBibtex;
@@ -139,8 +141,8 @@ public:
 	Signal0<void> showSearch;
 	/// pop up the splash
 	Signal0<void> showSplash;
-	/// hide the splash immediately
-	Signal0<void> hideSplash;
+	/// destroy the splash dialog
+	void destroySplash();
 	///
 	Signal1<void, InsetTabular *> showTabular;
 	///
@@ -159,8 +161,10 @@ public:
 	Signal0<void> updateCharacter;  // allow update as cursor moves
 	//@}
 private:
-	///
+	/// the dialogs being managed
 	std::vector<DialogBase *> dialogs_;
+	/// the splash dialog
+	FormSplash * splash_;
 };
 
 #endif

src/frontends/GUIRunTime.h

@@ -15,20 +15,19 @@
 #pragma interface
 #endif
 
-class LyXView;
-
 /** The LyX GUI independent guiruntime class
     The GUI interface is implemented in the corresponding
     frontends GUIRunTime.C file.
 */
 class GUIRunTime {
 public:
+	/// initialise the toolkit 
 	static
 	int initApplication(int argc, char * argv[]);
-	///
+	/// process pending events
 	static
 	void processEvents();
-	///
+	/// enter the permanent event loop until "finished" becomes false
 	static
 	void runTime();
 	/// This is run first in the LyXGUI constructor.

src/frontends/xforms/ChangeLog

@@ -9,6 +9,18 @@
 	* xforms/forms/makefile:
 	* forms/form_external.fd: add FormExternal
 
+2001-03-12  John Levon  <moz@compsoc.man.ac.uk>
+
+	* Dialogs.C: add destroySplash()
+
+	* form_splash.h:
+	* form_splash.C:
+	* forms/form_splash.fd:
+	* FormSplash.h:
+	* FormSplash.C: make independent of FormBase, tidy
+	
+	* Menubar_pimpl.C: destroy splash on interaction
+
 2001-03-12  Lars Gullik Bjønnes  <larsbj@trylle.birdstep.com>
 
 	* FormToc.h: use Buffer::typedef

src/frontends/xforms/Dialogs.C

@@ -51,6 +51,8 @@ Signal0<void> Dialogs::redrawGUI;
 
 Dialogs::Dialogs(LyXView * lv)
 {
+	splash_ = new FormSplash(lv, this);
+ 
 	dialogs_.push_back(new FormBibitem(lv, this));
 	dialogs_.push_back(new FormBibtex(lv, this));
 	dialogs_.push_back(new FormCharacter(lv, this));
@@ -70,7 +72,6 @@ Dialogs::Dialogs(LyXView * lv)
 	dialogs_.push_back(new FormPrint(lv, this));
 	dialogs_.push_back(new FormRef(lv, this));
 	dialogs_.push_back(new FormSearch(lv, this));
-	dialogs_.push_back(new FormSplash(lv, this));
 	dialogs_.push_back(new FormTabular(lv, this));
 	dialogs_.push_back(new FormTabularCreate(lv, this));
 	dialogs_.push_back(new FormToc(lv, this));
@@ -90,6 +91,14 @@ Dialogs::~Dialogs()
 	     ++iter) {
 		delete *iter;
 	}
+	delete splash_;
+}
+
+
+void Dialogs::destroySplash()
+{
+	delete splash_;
+	splash_ = 0;
 }
  
  

src/frontends/xforms/FormSplash.C

@@ -19,54 +19,46 @@
 #include "LyXView.h"
 #include "form_splash.h"
 #include "FormSplash.h"
-#include "xforms_helpers.h"
 #include "version.h"
 #include "support/filetools.h"
 #include "lyxrc.h"
 
-/* FIXME: Really, we shouldn't leave Splash hanging around, but I'm not sure
- * how to make it self-destructive - jbl
- */
  
-extern "C" void C_FormSplashTimerCB(FL_OBJECT * ob, long)
+extern "C" int C_FormSplashCloseCB(FL_FORM * forms, void *)
 {
-        FormSplash::CloseCB(ob);
+	Assert(forms);
+	FormSplash * form = static_cast<FormSplash*>(forms->u_vdata);
+	form->hide();
+	return 0;
 }
 
-extern "C" int C_FormSplashWMHideCB(FL_FORM * ob, void * d)
+
+extern "C" void C_FormSplashCB(FL_OBJECT * ob, long)
 {
-	return FormBase::WMHideCB(ob, d);
+	FormSplash * form = static_cast<FormSplash*>(ob->form->u_vdata);
+	form->hide();
 }
  
-FormSplash::FormSplash(LyXView * lv, Dialogs * d)
-	: FormBaseBI(lv, d, (string(_("LyX ")) + LYX_VERSION).c_str(), new IgnorantPolicy),
-	  dialog_(0)
+ 
+FormSplash::FormSplash(LyXView *, Dialogs * d)
+	: dialog_(0), d_(d)
 {
-	d->showSplash.connect(slot(this, &FormSplash::show));
-	d->hideSplash.connect(slot(this, &FormSplash::hide));
+	c_ = d->showSplash.connect(slot(this, &FormSplash::show));
 }
 
 
 FormSplash::~FormSplash()
 {
+	c_.disconnect();
 	delete dialog_;
 }
 
 
-void FormSplash::CloseCB(FL_OBJECT * ob)
-{
-	FormSplash * pre = static_cast<FormSplash*>(ob->form->u_vdata);
-	pre->hide();
-	delete pre->dialog_;
-	pre->dialog_ = 0;
-}
-
-
 void FormSplash::show()
 {
 	if (!dialog_) {
 		build();
-		fl_set_form_atclose(dialog_->form, C_FormSplashWMHideCB, 0);
+		fl_set_form_atclose(dialog_->form, C_FormSplashCloseCB, 0);
 	}
 
 	int const xpos = WidthOfScreen(ScreenOfDisplay(fl_get_display(), fl_screen));
@@ -77,34 +69,34 @@ void FormSplash::show()
 	// Show the title form at most 5 secs
 	fl_set_timer(dialog_->splash_timer, 5);
 
-	if (form()->visible)
-		fl_raise_form(form());
-	else {
-		connect();
-		fl_show_form(dialog_->form, FL_PLACE_CENTER, FL_NOBORDER, title.c_str());
-	}
+	if (dialog_->form->visible)
+		fl_raise_form(dialog_->form);
+	else
+		fl_show_form(dialog_->form, FL_PLACE_CENTER, FL_NOBORDER, "");
 }
 
 
-FL_FORM * FormSplash::form() const
+void FormSplash::hide()
 {
-	if (dialog_)
-		return dialog_->form;
-	return 0;
+	d_->destroySplash();
 }
 
  
 void FormSplash::build()
 {
-	dialog_ = build_splash();
-
-	// Workaround dumb xforms sizing bug
-	minw_ = form()->w;
-	minh_ = form()->h;
+	if (!lyxrc.show_banner)
+		return;
  
 	string banner_file = LibFileSearch("images", "banner", "xpm");
  
-	if (lyxrc.show_banner && !banner_file.empty()) {
+	if (banner_file.empty())
+		return;
+ 
+	dialog_ = build_splash();
+
+	// Workaround dumb xforms sizing bug
+	fl_set_form_minsize(dialog_->form, dialog_->form->w, dialog_->form->h);
+ 
 	fl_set_form_dblbuffer(dialog_->form, 1); // use dbl buffer
 	fl_addto_form(dialog_->form);
 	FL_OBJECT * obj = fl_add_pixmapbutton(FL_NORMAL_BUTTON, 0, 0, 425, 290, "");
@@ -113,7 +105,7 @@ void FormSplash::build()
 	fl_set_pixmapbutton_focus_outline(obj, 3);
 	fl_set_button_shortcut(obj, "^M ^[", 1);
 	fl_set_object_boxtype(obj, FL_NO_BOX);
-		fl_set_object_callback(obj, C_FormSplashTimerCB, 0);
+	fl_set_object_callback(obj, C_FormSplashCB, 0);
 	
 	obj = fl_add_text(FL_NORMAL_TEXT, 248, 265, 170, 16, LYX_VERSION);
 	fl_set_object_lsize(obj, FL_NORMAL_SIZE);
@@ -125,4 +117,3 @@ void FormSplash::build()
 	fl_set_object_lstyle(obj, FL_BOLD_STYLE);
 	fl_end_form();
 }
-}

src/frontends/xforms/FormSplash.h

@@ -10,37 +10,41 @@
 #ifndef FORMSPLASH_H
 #define FORMSPLASH_H
 
-#include "FormBase.h"
-
 #ifdef __GNUG__
 #pragma interface
 #endif
 
+#include "DialogBase.h"
+ 
 struct FD_form_splash;
+class Dialogs; 
+class LyXView;
 
 /** The startup splash screen
  */
-class FormSplash : public FormBaseBI {
+class FormSplash : public DialogBase {
 public:
 	FormSplash(LyXView *, Dialogs *);
 
 	~FormSplash();
 
-	/// close the dialog
-	static void CloseCB(FL_OBJECT *);
+	/// hide (and destroy) the dialog
+	void hide();
  
 private:
 	/// show the dialog
-	virtual void show(); 
+	void show(); 
 	/// Build the dialog
-	virtual void build();
-	/// Pointer to the actual instantiation of the xforms form
-	virtual FL_FORM * form() const;
+	void build();
 	/// Fdesign generated method
 	FD_form_splash * build_splash();
 
 	/// Real GUI implementation.
 	FD_form_splash * dialog_;
+	/// our container
+	Dialogs * d_; 
+	/// the show connection
+	Connection c_; 
 };
 
 #endif // FORMSPLASH_H

src/frontends/xforms/Menubar_pimpl.C

@@ -21,6 +21,7 @@
 #include "lyxfunc.h"
 #include "kbmap.h"
 #include "buffer.h"
+#include "Dialogs.h"
 #include "LyXView.h"
 #include "MenuBackend.h"
 #include "Menubar_pimpl.h"
@@ -577,6 +578,12 @@ void Menubar::Pimpl::MenuCallback(FL_OBJECT * ob, long button)
 	LyXView * view = iteminfo->pimpl_->owner_;
 	MenuItem const * item = iteminfo->item_.get();
 
+	/* get the splash out of the way. It would be nicer
+	 * to only have this code at the start, but xforms
+	 * makes it too ugly to do
+	 */
+	view->getDialogs()->destroySplash();
+ 
 	if (button == 1) {
 		// set the pseudo menu-button
 		fl_set_object_boxtype(ob, FL_DOWN_BOX);

src/frontends/xforms/form_splash.C

@@ -27,7 +27,7 @@ FD_form_splash * FormSplash::build_splash()
   obj = fl_add_box(FL_UP_BOX, 0, 0, 420, 290, "");
     fl_set_object_color(obj, FL_BLACK, FL_TOP_BCOL);
   fdui->splash_timer = obj = fl_add_timer(FL_HIDDEN_TIMER, 110, 170, 190, 60, "");
-    fl_set_object_callback(obj, C_FormSplashTimerCB, 0);
+    fl_set_object_callback(obj, C_FormSplashCB, 0);
   fl_end_form();
 
   fdui->form->fdui = fdui;

src/frontends/xforms/form_splash.h

@@ -5,7 +5,7 @@
 #define FD_form_splash_h_
 
 /** Callbacks, globals and object handlers **/
-extern  "C" void C_FormSplashTimerCB(FL_OBJECT *, long);
+extern  "C" void C_FormSplashCB(FL_OBJECT *, long);
 
 
 /**** Forms and Objects ****/

src/frontends/xforms/forms/form_splash.fd

@@ -45,7 +45,7 @@ shortcut:
 resize: FL_RESIZE_ALL
 gravity: FL_NoGravity FL_NoGravity
 name: splash_timer
-callback: C_FormSplashTimerCB
+callback: C_FormSplashCB
 argument: 0
 
 ==============================