tested menus after Print derivation, PASSED

Author: neu-rah

examples/gfx_menu/gfx_menu.ino

@@ -1,6 +1,7 @@
 /********************
 Arduino generic menu system
 GFX menu - unsing adafruit gfx screens
+tested on ATmega2560
 http://www.r-site.net/?at=//op%5B%40id=%273090%27%5D
 
 Sept. 2014 Rui Azevedo - ruihfazevedo(@rrob@)gmail.com

menu.cpp

@@ -74,6 +74,7 @@ void menu::activate(menuOut& p,Stream& c,bool canExit) {
   if (op>=0&&op<sz) {
   	sel=op;
     if (data[op]->enabled) {
+      printMenu(p,canExit);//clearing old selection
     	data[op]->activate(p,c,true);
     }
   } else if (op==-1) {//then exit

menu.h

@@ -164,13 +164,6 @@ www.r-site.net
     virtual void clearLine(int ln)=0;
     virtual void clear()=0;
     virtual void setCursor(int x,int y)=0;
-    /*virtual void print(char ch)=0;
-    virtual void print(const char *text)=0;
-    virtual void println(const char *text="")=0;
-    virtual void print(unsigned long)=0;
-    virtual void println(unsigned long)=0;
-    virtual void print(double)=0;
-    virtual void println(double)=0;*/
     virtual void printPrompt(prompt &o,bool selected,int idx,int posY,int width);
 		virtual void printMenu(menu&,bool drawExit)=0;
   };

menuGFX.h

@@ -61,34 +61,25 @@ www.r-site.net
     	setCursor(0,0);
     }
     virtual void setCursor(int x,int y) {gfx.setCursor(x*resX,y*resY);}
-    virtual void print(char ch) {gfx.print(ch);}
-    virtual void print(const char *text) {gfx.print(text);}
-    virtual void println(const char *text="") {gfx.println(text);};
-    virtual void print(unsigned long i) {gfx.print(i);};
-    virtual void println(unsigned long i) {gfx.println(i);};
-    virtual void print(double i) {gfx.print(i);};
-    virtual void println(double i) {gfx.println(i);};
-    virtual void print(prompt &o,bool selected,int idx,int posY,int width) {
+    virtual size_t write(uint8_t ch) {return gfx.write(ch);}
+    virtual void printPrompt(prompt &o,bool selected,int idx,int posY,int width) {
     	gfx.fillRect(0,posY*resY,maxX*resX,resY,selected?hiliteColor:bgColor);
     	gfx.setTextColor(o.enabled?enabledColor:disabledColor);
     	setCursor(0,posY);
     	o.printTo(*this);
-    	//println();
     }
 		virtual void printMenu(menu& m,bool drawExit) {
 			if (drawn!=&m) clear();//clear all screen when changing menu
 			if (m.sel-top>=maxY) top=m.sel-maxY+1;//selected option outside device (bottom)
 			else if (m.sel<top) top=m.sel;//selected option outside device (top)
 			int i=top;for(;i<m.sz;i++) {
-				//if ((i>=top)&&((i-top)<maxY)) {
 				  if(i-top>=maxY) break;
 				  if (needRedraw(m,i)) {
-				  	print(*m.data[i],i==m.sel,i+1,i-top,m.width);
+				  	printPrompt(*m.data[i],i==m.sel,i+1,i-top,m.width);
 				  }
-				//}
 			}
 			if (drawExit&&i-top<maxY&&needRedraw(m,i))
-				print(menu::exitOption,m.sel==m.sz,0,i-top,m.width);
+				printPrompt(menu::exitOption,m.sel==m.sz,0,i-top,m.width);
 			lastTop=top;
 			lastSel=m.sel;
 			drawn=&m;

menuLCD.h

@@ -28,14 +28,8 @@ www.r-site.net
     }
     virtual void clear() {lcd.clear();}
     virtual void setCursor(int x,int y) {lcd.setCursor(x*resX,y*resY);}
-    virtual void print(char ch) {lcd.print(ch);}
-    virtual void print(const char *text) {lcd.print(text);}
-    virtual void println(const char *text="") {lcd.print(text);};
-    virtual void print(unsigned long i) {lcd.print(i);};
-    virtual void println(unsigned long i) {lcd.println(i);};
-    virtual void print(double i) {lcd.print(i);};
-    virtual void println(double i) {lcd.println(i);};
-		virtual void print(prompt &o,bool selected,int idx,int posY,int width) {
+    virtual size_t write(uint8_t ch) {return lcd.write(ch);}
+		virtual void printPrompt(prompt &o,bool selected,int idx,int posY,int width) {
 			clearLine(posY);
 			print(selected?(o.enabled?menu::enabledCursor:menu::disabledCursor):' ');
 			o.printTo(*this);
@@ -46,14 +40,13 @@ www.r-site.net
 			else if (m.sel<top) top=m.sel;//selected option outside device (top)
 			int i=0;for(;i<m.sz;i++) {
 				if ((i>=top)&&((i-top)<maxY)) {
-				  //if(i-top>=maxY) break;
 				  if (needRedraw(m,i)) {
-				  	print(*m.data[i],i==m.sel,i+1,i-top,m.width);
+				  	printPrompt(*m.data[i],i==m.sel,i+1,i-top,m.width);
 				  }
 				}
 			}
 			if (drawExit&&i-top<maxY&&needRedraw(m,i))
-				print(menu::exitOption,m.sel==m.sz,0,i-top,m.width);
+				printPrompt(menu::exitOption,m.sel==m.sz,0,i-top,m.width);
 			lastTop=top;
 			lastSel=m.sel;
 			drawn=&m;

menuLCDs.h

@@ -31,14 +31,8 @@ www.r-site.net
     }//clear current line
     virtual void clear() {lcd.clear();}
     virtual void setCursor(int x,int y) {lcd.setCursor(x*resX,y*resY);}
-    virtual void print(char ch) {lcd.print(ch);}
-    virtual void print(const char *text) {lcd.print(text);}
-    virtual void println(const char *text="") {lcd.print(text);};
-    virtual void print(unsigned long i) {lcd.print(i);};
-    virtual void println(unsigned long i) {lcd.println(i);};
-    virtual void print(double i) {lcd.print(i);};
-    virtual void println(double i) {lcd.println(i);};
-		virtual void print(prompt &o,bool selected,int idx,int posY,int width) {
+    virtual size_t write(uint8_t ch) {return lcd.write(ch);}
+		virtual void printPrompt(prompt &o,bool selected,int idx,int posY,int width) {
 			clearLine(posY);
 			print(selected?(o.enabled?menu::enabledCursor:menu::disabledCursor):' ');
 			o.printTo(*this);
@@ -48,14 +42,12 @@ www.r-site.net
 			else if (m.sel<top) top=m.sel;//selected option outside device (top)
 			if (drawn!=&m||top!=lastTop) clear();
 			int i=top;for(;i<m.sz;i++) {
-				//if ((i>=top)&&((i-top)<maxY)) {
-				  if(i-top>=maxY) break;
-				  if (needRedraw(m,i))
-				  	print(*m.data[i],i==m.sel,i+1,i-top,m.width);
-				//}
+			  if(i-top>=maxY) break;
+			  if (needRedraw(m,i))
+			  	printPrompt(*m.data[i],i==m.sel,i+1,i-top,m.width);
 			}
 			if (drawExit&&i-top<maxY&&needRedraw(m,i))
-				print(menu::exitOption,m.sel==m.sz,0,i-top,m.width);
+				printPrompt(menu::exitOption,m.sel==m.sz,0,i-top,m.width);
 			lastTop=top;
 			lastSel=m.sel;
 			drawn=&m;

menuPrint.h

@@ -22,14 +22,8 @@ www.r-site.net
     virtual void clearLine(int ln) {}
     virtual void clear() {device.println("");device.println("");}
     virtual void setCursor(int x,int y) {device.println("");}
-    virtual void print(char ch) {device.print(ch);}
-    virtual void print(const char *text) {device.print(text);}
-    virtual void println(const char *text="") {device.println(text);}
-    virtual void print(unsigned long i) {device.print(i);};
-    virtual void println(unsigned long i) {device.println(i);};
-    virtual void print(double i) {device.print(i);};
-    virtual void println(double i) {device.println(i);};
-		virtual void print(prompt &o,bool selected,int idx,int posY,int width) {
+    virtual size_t write(uint8_t ch) {return device.write(ch);}
+		virtual void printPrompt(prompt &o,bool selected,int idx,int posY,int width) {
       print(idx<10?" ":"");
       print((unsigned long)idx);
 			print(selected?(o.enabled?menu::enabledCursor:menu::disabledCursor):' ');
@@ -41,8 +35,8 @@ www.r-site.net
 			clear();
 			int i=0;
 			for(;i<m.sz;i++)
-			  print(*m.data[i],i==m.sel,i+1,i-top,m.width);
-			if (drawExit) print(menu::exitOption,m.sel==m.sz,0,i-top,m.width);
+			  printPrompt(*m.data[i],i==m.sel,i+1,i-top,m.width);
+			if (drawExit) printPrompt(menu::exitOption,m.sel==m.sz,0,i-top,m.width);
 			lastTop=top;
 			lastSel=m.sel;
 			drawn=&m;