Add a Mandelbrot set program

ChangeLog

@@ -1,5 +1,6 @@
 2015-24-05  Markus Gans  <guru.mail@muenster.de>
 	* Bug fix in FLineEdit (ypos from the label)
+	* Bug fix in FDialog onWindowActive (status bar check)
 
 2015-15-05  Markus Gans  <guru.mail@muenster.de>
         * Remove never read value from code

src/fdialog.cpp

@@ -552,7 +552,8 @@ void FDialog::onWindowActive (FEvent*)
     {
       focus_widget->setFocus();
       focus_widget->redraw();
-      statusBar()->drawMessage();
+      if ( statusBar() )
+        statusBar()->drawMessage();
     }
     else
       focusFirstChild();

test/Makefile.am

@@ -9,6 +9,7 @@ noinst_PROGRAMS = \
 	hello \
 	dialog \
 	input-dialog \
+	mandelbrot \
 	fstring \
 	timer \
 	ui 
@@ -16,6 +17,7 @@ noinst_PROGRAMS = \
 hello_SOURCES = hello.cpp
 dialog_SOURCES = dialog.cpp
 input_dialog_SOURCES = input-dialog.cpp
+mandelbrot_SOURCES = mandelbrot.cpp
 fstring_SOURCES = fstring.cpp
 timer_SOURCES = timer.cpp
 ui_SOURCES = ui.cpp

test/Makefile.clang

@@ -12,13 +12,14 @@ MAKEFILE = -f Makefile.clang
 LDFLAGS = -L../src -lfinal
 INCLUDES = -I../src
 RM = rm -f
-PROGS = hello dialog input-dialog fstring timer ui 
+PROGS = hello dialog input-dialog mandelbrot fstring timer ui 
 OBJS1 = hello.o
 OBJS2 = dialog.o
 OBJS3 = input-dialog.o
-OBJS4 = fstring.o
+OBJS4 = mandelbrot.o
-OBJS5 = timer.o
+OBJS5 = fstring.o
-OBJS6 = ui.o
+OBJS6 = timer.o
+OBJS7 = ui.o
 
 ifdef DEBUG
   OPTIMIZE = -O0
@@ -44,14 +45,17 @@ dialog: $(OBJS2)
 input-dialog: $(OBJS3)
 	$(CXX) $(CCXFLAGS) $(INCLUDES) $(LDFLAGS) -o input-dialog $(OBJS3)
 
-fstring: $(OBJS4)
+mandelbrot: $(OBJS4)
-	$(CXX) $(CCXFLAGS) $(INCLUDES) $(LDFLAGS) -o fstring $(OBJS4)
+	$(CXX) $(CCXFLAGS) $(INCLUDES) $(LDFLAGS) -o mandelbrot $(OBJS4)
 
-timer: $(OBJS5)
+fstring: $(OBJS5)
-	$(CXX) $(CCXFLAGS) $(INCLUDES) $(LDFLAGS) -o timer $(OBJS5)
+	$(CXX) $(CCXFLAGS) $(INCLUDES) $(LDFLAGS) -o fstring $(OBJS5)
 
-ui: $(OBJS6)
+timer: $(OBJS6)
-	$(CXX) $(CCXFLAGS) $(INCLUDES) $(LDFLAGS) -o ui $(OBJS6)
+	$(CXX) $(CCXFLAGS) $(INCLUDES) $(LDFLAGS) -o timer $(OBJS6)
+
+ui: $(OBJS7)
+	$(CXX) $(CCXFLAGS) $(INCLUDES) $(LDFLAGS) -o ui $(OBJS7)
 
 debug:
 	$(MAKE) $(MAKEFILE) DEBUG="-g -D DEBUG -W -Wall  -Weverything -Wpadded -pedantic"
@@ -61,7 +65,7 @@ profile:
 
 .PHONY: clean dep
 clean:
-	$(RM) $(PROGS) $(OBJS1) $(OBJS2) $(OBJS3) $(OBJS4) $(OBJS5) $(OBJS6) .depend  *.gch *.plist *~
+	$(RM) $(PROGS) $(OBJS1) $(OBJS2) $(OBJS3) $(OBJS4) $(OBJS5) $(OBJS6) $(OBJS7) .depend  *.gch *.plist *~
 
 dep:
 	$(CXX) -MM $(INCLUDES) *.cpp >.depend

test/Makefile.gcc

@@ -12,13 +12,14 @@ MAKEFILE = -f Makefile.gcc
 LDFLAGS = -L../src -lfinal
 INCLUDES = -I../src
 RM = rm -f
-PROGS = hello dialog input-dialog fstring timer ui 
+PROGS = hello dialog input-dialog mandelbrot fstring timer ui 
 OBJS1 = hello.o
 OBJS2 = dialog.o
 OBJS3 = input-dialog.o
-OBJS4 = fstring.o
+OBJS4 = mandelbrot.o
-OBJS5 = timer.o
+OBJS5 = fstring.o
-OBJS6 = ui.o
+OBJS6 = timer.o
+OBJS7 = ui.o
 
 ifdef DEBUG
   OPTIMIZE = -O0
@@ -44,14 +45,17 @@ dialog: $(OBJS2)
 input-dialog: $(OBJS3)
 	$(CXX) $(CCXFLAGS) $(INCLUDES) $(LDFLAGS) -o input-dialog $(OBJS3)
 
-fstring: $(OBJS4)
+mandelbrot: $(OBJS4)
-	$(CXX) $(CCXFLAGS) $(INCLUDES) $(LDFLAGS) -o fstring $(OBJS4)
+	$(CXX) $(CCXFLAGS) $(INCLUDES) $(LDFLAGS) -o mandelbrot $(OBJS4)
 
-timer: $(OBJS5)
+fstring: $(OBJS5)
-	$(CXX) $(CCXFLAGS) $(INCLUDES) $(LDFLAGS) -o timer $(OBJS5)
+	$(CXX) $(CCXFLAGS) $(INCLUDES) $(LDFLAGS) -o fstring $(OBJS5)
 
-ui: $(OBJS6)
+timer: $(OBJS6)
-	$(CXX) $(CCXFLAGS) $(INCLUDES) $(LDFLAGS) -o ui $(OBJS6)
+	$(CXX) $(CCXFLAGS) $(INCLUDES) $(LDFLAGS) -o timer $(OBJS6)
+
+ui: $(OBJS7)
+	$(CXX) $(CCXFLAGS) $(INCLUDES) $(LDFLAGS) -o ui $(OBJS7)
 
 debug:
 	$(MAKE) $(MAKEFILE) DEBUG="-g -D DEBUG -W -Wall -pedantic"
@@ -61,7 +65,7 @@ profile:
 
 .PHONY: clean dep
 clean:
-	$(RM) $(PROGS) $(OBJS1) $(OBJS2) $(OBJS3) $(OBJS4) $(OBJS5) $(OBJS6) .depend *~
+	$(RM) $(PROGS) $(OBJS1) $(OBJS2) $(OBJS3) $(OBJS4) $(OBJS5) $(OBJS6) $(OBJ6) .depend *~
 
 dep:
 	$(CXX) -MM $(INCLUDES) *.cpp >.depend

test/Makefile.in

@@ -83,7 +83,8 @@ POST_UNINSTALL = :
 build_triplet = @build@
 host_triplet = @host@
 noinst_PROGRAMS = hello$(EXEEXT) dialog$(EXEEXT) input-dialog$(EXEEXT) \
-	fstring$(EXEEXT) timer$(EXEEXT) ui$(EXEEXT)
+	mandelbrot$(EXEEXT) fstring$(EXEEXT) timer$(EXEEXT) \
+	ui$(EXEEXT)
 subdir = test
 DIST_COMMON = $(srcdir)/Makefile.in $(srcdir)/Makefile.am \
 	$(top_srcdir)/depcomp
@@ -114,6 +115,9 @@ hello_LDADD = $(LDADD)
 am_input_dialog_OBJECTS = input-dialog.$(OBJEXT)
 input_dialog_OBJECTS = $(am_input_dialog_OBJECTS)
 input_dialog_LDADD = $(LDADD)
+am_mandelbrot_OBJECTS = mandelbrot.$(OBJEXT)
+mandelbrot_OBJECTS = $(am_mandelbrot_OBJECTS)
+mandelbrot_LDADD = $(LDADD)
 am_timer_OBJECTS = timer.$(OBJEXT)
 timer_OBJECTS = $(am_timer_OBJECTS)
 timer_LDADD = $(LDADD)
@@ -155,9 +159,11 @@ am__v_CXXLD_ = $(am__v_CXXLD_@AM_DEFAULT_V@)
 am__v_CXXLD_0 = @echo "  CXXLD   " $@;
 am__v_CXXLD_1 = 
 SOURCES = $(dialog_SOURCES) $(fstring_SOURCES) $(hello_SOURCES) \
-	$(input_dialog_SOURCES) $(timer_SOURCES) $(ui_SOURCES)
+	$(input_dialog_SOURCES) $(mandelbrot_SOURCES) $(timer_SOURCES) \
+	$(ui_SOURCES)
 DIST_SOURCES = $(dialog_SOURCES) $(fstring_SOURCES) $(hello_SOURCES) \
-	$(input_dialog_SOURCES) $(timer_SOURCES) $(ui_SOURCES)
+	$(input_dialog_SOURCES) $(mandelbrot_SOURCES) $(timer_SOURCES) \
+	$(ui_SOURCES)
 am__can_run_installinfo = \
   case $$AM_UPDATE_INFO_DIR in \
     n|no|NO) false;; \
@@ -309,6 +315,7 @@ AM_CPPFLAGS = -Wall -Werror -I$(top_srcdir)/src
 hello_SOURCES = hello.cpp
 dialog_SOURCES = dialog.cpp
 input_dialog_SOURCES = input-dialog.cpp
+mandelbrot_SOURCES = mandelbrot.cpp
 fstring_SOURCES = fstring.cpp
 timer_SOURCES = timer.cpp
 ui_SOURCES = ui.cpp
@@ -372,6 +379,10 @@ input-dialog$(EXEEXT): $(input_dialog_OBJECTS) $(input_dialog_DEPENDENCIES) $(EX
 	@rm -f input-dialog$(EXEEXT)
 	$(AM_V_CXXLD)$(CXXLINK) $(input_dialog_OBJECTS) $(input_dialog_LDADD) $(LIBS)
 
+mandelbrot$(EXEEXT): $(mandelbrot_OBJECTS) $(mandelbrot_DEPENDENCIES) $(EXTRA_mandelbrot_DEPENDENCIES) 
+	@rm -f mandelbrot$(EXEEXT)
+	$(AM_V_CXXLD)$(CXXLINK) $(mandelbrot_OBJECTS) $(mandelbrot_LDADD) $(LIBS)
+
 timer$(EXEEXT): $(timer_OBJECTS) $(timer_DEPENDENCIES) $(EXTRA_timer_DEPENDENCIES) 
 	@rm -f timer$(EXEEXT)
 	$(AM_V_CXXLD)$(CXXLINK) $(timer_OBJECTS) $(timer_LDADD) $(LIBS)
@@ -390,6 +401,7 @@ distclean-compile:
 @AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/fstring.Po@am__quote@
 @AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/hello.Po@am__quote@
 @AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/input-dialog.Po@am__quote@
+@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/mandelbrot.Po@am__quote@
 @AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/timer.Po@am__quote@
 @AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/ui.Po@am__quote@
 

test/mandelbrot.cpp

@@ -0,0 +1,145 @@
+// mandelbrot.cpp
+
+#include "fapp.h"
+#include "fdialog.h"
+#include "fmessagebox.h"
+
+//----------------------------------------------------------------------
+// class Mandelbrot
+//----------------------------------------------------------------------
+
+#pragma pack(push)
+#pragma pack(1)
+
+class Mandelbrot : public FDialog
+{
+ private:
+   virtual void draw();
+
+ public:
+   Mandelbrot (FWidget* parent=0);  // constructor
+  ~Mandelbrot();  // destructor
+   void onAccel (FAccelEvent*);
+   void onClose (FCloseEvent*);
+
+ protected:
+   void adjustSize();
+};
+#pragma pack(pop)
+
+//----------------------------------------------------------------------
+Mandelbrot::Mandelbrot (FWidget* parent) : FDialog(parent)
+{
+  setText ("Mandelbrot set");
+}
+
+//----------------------------------------------------------------------
+Mandelbrot::~Mandelbrot()
+{
+}
+
+//----------------------------------------------------------------------
+void Mandelbrot::draw()
+{
+  int iter, max_iter;
+  int Cols, Lines, xoffset, yoffset, current_line;
+  double x, y, xtemp, x0, y0, dX, dY;
+  double x_min, x_max, y_min, y_max;
+
+  FDialog::draw();
+
+  if ( Encoding == fc::VT100 )
+    unsetVT100altChar();
+
+  x_min = -2.20;
+  x_max =  1.0;
+  y_min = -1.05;
+  y_max =  1.05;
+  max_iter = 99;
+
+  xoffset = xpos+xmin;
+  yoffset = ypos+ymin;
+  Cols  = getClientWidth();
+  Lines = getClientHeight();
+  current_line = 1;
+
+  dX = (x_max - x_min) / (Cols - 1);
+  dY = (y_max - y_min) / Lines;
+
+  for (y0=y_min; y0 < y_max && current_line-1 < Lines; y0+=dY)
+  {
+    gotoxy (xoffset, yoffset+current_line);
+
+    for (x0=x_min; x0 < x_max; x0+=dX)
+    {
+      x = 0.0;
+      y = 0.0;
+      iter = 0;
+
+      while ( x*x + y*y < 4 && iter < max_iter )
+      {
+        xtemp = x*x - y*y + x0;
+        y = 2*x*y + y0;
+        x = xtemp;
+        iter++;
+      }
+      if ( iter < max_iter )
+        setColor(fc::Black, iter%16);
+      else
+        setColor(fc::Black, 0);
+      print(' ');
+    }
+    current_line++;
+  }
+
+  setUpdateVTerm(true);
+}
+
+//----------------------------------------------------------------------
+void Mandelbrot::onAccel (FAccelEvent* ev)
+{
+  close();
+  ev->accept();
+}
+
+//----------------------------------------------------------------------
+void Mandelbrot::onClose (FCloseEvent* event)
+{
+  int ret = FMessageBox::info ( this, "Quit",
+                                "Do you really want\n"
+                                "to quit the program ?",
+                                FMessageBox::Yes,
+                                FMessageBox::No );
+  if ( ret == FMessageBox::Yes )
+    event->accept();
+  else
+    event->ignore();
+}
+
+//----------------------------------------------------------------------
+void Mandelbrot::adjustSize()
+{
+  int h = parentWidget()->getHeight() - 1;
+  int w = parentWidget()->getWidth() - 10;
+  setGeometry(6, 1, w, h, false);
+  FDialog::adjustSize();
+}
+
+//----------------------------------------------------------------------
+//                               main part
+//----------------------------------------------------------------------
+int main (int argc, char* argv[])
+{
+  // Create the application object
+  FApplication app(argc, argv);
+
+  // Create a simple dialog box
+  Mandelbrot mb(&app);
+  mb.setGeometry (6, 1, 70, 23);
+  mb.addAccelerator('q');  // press 'q' to quit
+  mb.setShadow();
+
+  app.setMainWidget(&mb);
+  mb.show();
+  return app.exec();
+}

test/ui.cpp

@@ -408,11 +408,11 @@ MyDialog::~MyDialog()
 //----------------------------------------------------------------------
 void MyDialog::onClose (FCloseEvent* event)
 {
-  int ret = FMessageBox::info (this, "Quit",
+  int ret = FMessageBox::info ( this, "Quit",
-                               "Do you really want\n"
+                                "Do you really want\n"
-                               "to quit the program ?",
+                                "to quit the program ?",
-                               FMessageBox::Yes,
+                                FMessageBox::Yes,
-                               FMessageBox::No);
+                                FMessageBox::No );
   if ( ret == FMessageBox::Yes )
     event->accept();
   else