Merge pull request #19 from dpavlin/master

fix panning on page in ZOOM_BY_VALUE mode

Makefile

@@ -90,9 +90,11 @@ lfs.o: $(LFSDIR)/src/lfs.c
 	$(CC) -c $(CFLAGS) -I$(LUADIR)/src -I$(LFSDIR)/src $(LFSDIR)/src/lfs.c -o $@
 
 fetchthirdparty:
-	-rmdir mupdf
-	-rmdir lua
-	-rm lua
+	-rm -Rf mupdf
+	-rm -Rf lua lua-5.1.4*
+	-rm -Rf lsqlite3_svn08*
+	-rm -Rf sqlite-amalgamation-3070900*
+	-rm -Rf luafilesystem*
 	git clone git://git.ghostscript.com/mupdf.git
 	( cd mupdf ; wget http://www.mupdf.com/download/mupdf-thirdparty.zip && unzip mupdf-thirdparty.zip )
 	wget http://www.lua.org/ftp/lua-5.1.4.tar.gz && tar xvzf lua-5.1.4.tar.gz && ln -s lua-5.1.4 lua

keys.lua

@@ -115,7 +115,7 @@ function set_emu_keycodes()
 	KEY_FW_DOWN = 116
 	KEY_FW_LEFT = 113
 	KEY_FW_RIGHT = 114
-	KEY_FW_PRESS = 36 -- enter for now
+	KEY_FW_PRESS = 115 -- end for now (above arrows)
 	KEY_SPACE = 65
 
 	KEY_ENTER = 36

pdfreader.lua

@@ -437,8 +437,8 @@ function PDFReader:inputloop()
 					x = self.shift_x / 5
 					y = self.shift_y / 5
 				elseif self.pan_by_page then
-					x = self.width  - 5; -- small overlap when moving by page
-					y = self.height - 5;
+					x = width  - 5; -- small overlap when moving by page
+					y = height - 5;
 				else
 					x = self.shift_x
 					y = self.shift_y
@@ -453,11 +453,17 @@ function PDFReader:inputloop()
 					if self.offset_x > 0 then
 						self.offset_x = 0
 					end
+					if self.pan_by_page then
+						self.offset_y = 0
+					end
 				elseif ev.code == KEY_FW_RIGHT then
 					self.offset_x = self.offset_x - x
 					if self.offset_x < self.min_offset_x then
 						self.offset_x = self.min_offset_x
 					end
+					if self.pan_by_page then
+						self.offset_y = 0
+					end
 				elseif ev.code == KEY_FW_UP then
 					self.offset_y = self.offset_y + y
 					if self.offset_y > 0 then