@@ -146,9 +146,17 @@

 #define COLOR_SELNORMAL(re) re->theme.color_selnormal

 #define COLOR_CURLINE(re) re->theme.color_curline

+typedef enum typeprintout_t {

+        printoutView=0,

+        printoutCopy,

+        printoutHelp,

+        printoutManpage

+} typeprintout_t;

+

 typedef struct printout_t {

         reui_t *ui;

         redata_t *data;

+        typeprintout_t type;

         int originline;

         int origincol;

         int showonlyn;

@@ -287,7 +295,7 @@ int re_selectbuf_resize(re_t *re,long size);

 int re_selectbuf_fill(re_t *re,long frompos,long size, int nadditionalspaces);

 int re_selectbuf_replace(re_t *re,char *newdata);

 int re_clipget(re_t *re);

-int re_addprint(re_t *re);

+int re_addprint(re_t *re, typeprintout_t typeprintout);

 int re_delprint(re_t *re, int nprint);

 int re_rtrim(re_t *re, long curpos, int *trimmed);

 long re_getmatchingbracket(re_t *re,long posini, char originalchar, char *matchingchar);

@@ -1375,6 +1383,8 @@ fprintf(stderr,"SDL_KEYDOWN: BACKSPACE%s\n",(event==&fakeevent)?" (fake)":"");

                 re->command="";

                 re->command_first_key='q';

                 re->headerdirty=1;

+        } else if(event->key.keysym.sym==SDLK_F1 && (SDL_GetModState()&(KMOD_CTRL|KMOD_SHIFT|KMOD_ALT))==0) {

+                re_addprint(re,printoutHelp);

         } else if(event->key.keysym.sym==SDLK_F2 || (event->key.keysym.sym==SDLK_s && (SDL_GetModState()&KMOD_CTRL)!=0)) {

                 char *errormsg=NULL;

                 if(redata_save(re->data,re->filename,&errormsg)!=-1)

@@ -1482,7 +1492,7 @@ fprintf(stderr,"SDL_KEYDOWN: BACKSPACE%s\n",(event==&fakeevent)?" (fake)":"");

                 if(re->quirk_duplicates)

                         re->ignorenkeys++;

         } else if(/*re->selactive &&*/ event->key.keysym.sym==SDLK_p && (SDL_GetModState()&KMOD_CTRL)!=0) {

-                re_addprint(re);

+                re_addprint(re,printoutView);

         } else if(event->key.keysym.sym==SDLK_n && (SDL_GetModState()&KMOD_CTRL)!=0) {

                 re->showlinenumbers=1-re->showlinenumbers;

                 re_setuidata(re);

@@ -2225,7 +2235,7 @@ re_clipget(re_t *re)

 int

-re_addprint(re_t *re)

+re_addprint(re_t *re, typeprintout_t typeprintout)

 {

         int i;

         if(re==NULL)

@@ -2248,39 +2258,115 @@ re_addprint(re_t *re)

         /* setup window */

         if((re->prints[i].ui=reui_init(DEFAULTFONTHEIGHT*re->fontheightpercent/100,re->ui))==NULL)

                 return(-1); /* couldn't init window */

-#if 0

-/* option A: printouts are immutable */

-        if((re->prints[i].data=redata_init(redata_highlighter_register,NULL))==NULL) {

-                reui_free(re->prints[i].ui),re->prints[i].ui=NULL;

-                return(-1); /* couldn't init data store */

-        }

-        re->usedprints++;

-        /* copy contents (and set clipboard contents and unselect)*/

-        if(re->selactive) {

-                long frompos,topos;

-                int coldone;

-                if(redata_linecol2pos(re->data,re->sellinefrom,re->selcolfrom,&frompos,NULL)==0

-                  && redata_linecol2pos(re->data,re->sellineto,re->selcolto,&topos,&coldone)==0) {

-                        re_selectbuf_fill(re,frompos,topos-frompos,re->selcolto-coldone);

-                        redata_op_add(re->prints[i].data,0,re->selectbuf,strlen(re->selectbuf),NULL);

-                        SDL_SetClipboardText(re->selectbuf);

-                        re_sel_toggle(re);

+        if(typeprintout==printoutHelp

+          || typeprintout==printoutManpage

+          || typeprintout==printoutCopy) {

+                /* inmutable printout */

+                if((re->prints[i].data=redata_init(redata_highlighter_register,NULL))==NULL) {

+                        reui_free(re->prints[i].ui),re->prints[i].ui=NULL;

+                        return(-1); /* couldn't init data store */

+                }

+                re->usedprints++;

+                if(typeprintout==printoutCopy) {

+                        /* copy contents (and set clipboard contents and unselect)*/

+                        if(re->selactive) {

+                                long frompos,topos;

+                                int coldone;

+                                if(redata_linecol2pos(re->data,re->sellinefrom,re->selcolfrom,&frompos,NULL)==0

+                                  && redata_linecol2pos(re->data,re->sellineto,re->selcolto,&topos,&coldone)==0) {

+                                        re_selectbuf_fill(re,frompos,topos-frompos,re->selcolto-coldone);

+                                        redata_op_add(re->prints[i].data,0,re->selectbuf,strlen(re->selectbuf),NULL);

+                                        SDL_SetClipboardText(re->selectbuf);

+                                        re_sel_toggle(re);

+                                        re->contentsdirty=1;

+                                }

+                        } else {

+                                re_selectbuf_fill(re,0,redata_getused(re->data),0);

+                                redata_op_add(re->prints[i].data,0,re->selectbuf,strlen(re->selectbuf),NULL);

+                                SDL_SetClipboardText(re->selectbuf);

+                                re->contentsdirty=1;

+                        }

+                } else if(typeprintout==printoutHelp) {

+                        static char helptext[]={"\

+Recenteditor help\n\

+=================\n\

+\n\

+ F1           - Open a printout with this help\n\

+ Shift+F1     - (TODO) Update hints with functions definitions of all open editors\n\

+ Control+F1   - (TODO) Open manpage of word under the cursor in a printout\n\

+ F2           - Save\n\

+\n\

+ Cursor keys        - Move cursor\n\

+ PageUp/PageDn      - Scroll one page up/down\n\

+ Shift+Cursor       - Select\n\

+ Mousewheel         - Scroll\n\

+ Mouse click        - Change cursor position\n\

+                      Click and hold on status bar to open function list\n\

+ Control+Click      - Search function body of function name under the mouse\n\

+ Tab key            - Insert 8 spaces\n\

+ Control+Tab key    - Insert TAB character\n\

+ Alt+Left/Right     - Change indentation of selection\n\

+ Control+PgUp/PgDn  - Go to the beginning/end of the document\n\

+ Home/End           - Go to the start/end of the line\n\

+ Control+'0'        - Set default font size\n\

+ Shift+Ctrl+'0'     - Set default color permutation\n\

+ Control+C          - Copy selection to clipboard. Will deselect current selection.\n\

+ Control+K+Command  - Block command, see below\n\

+ Control+L          - Search next (requires a previous search with Control+Q+F)\n\

+ Control+N          - Show/hide line numbers\n\

+ Control+P          - Open printout window with current file or selection\n\

+ Control+Q+Command  - Editing command, see below\n\

+ Control+S          - Save\n\

+ Control+X          - Cut selection into clipboard\n\

+ Control+V          - Paste clipboard into current cursor position\n\

+ Control+Z          - Undo\n\

+ Control+'+'/'-'    - Iterates between font sizes\n\

+ Shift+Ctrl+'+'/'-' - Iterates between color permutations\n\

+\n\

+\n\

+Editing commands (Control+Q+Command)\n\

+------------------------------------\n\

+\n\

+ Control+Q+L - Go to line number\n\

+ Control+Q+F - Find\n\

+ Control+Q+A - Search and replace\n\

+\n\

+\n\

+Block commands (Control+K+Command)\n\

+----------------------------------\n\

+\n\

+ Control+K+Q - Close editor (exit program -- don\'t ask, it is a legacy key combo)\n\

+ Control+K+H - Show/hide selection\n\

+ Control+K+B - Set start of selection to cursor position\n\

+ Control+K+K - Set end of selection to cursor position\n\

+ Control+K+Y - Delete selection\n\

+ Control+K+C - Copy selection to current cursor position (doesn\'t use clipboard)\n\

+ Control+K+V - Move selection to current cursor position (doesn\'t use clipboard)\n\

+\n\

+\n\

+Printout window\n\

+---------------\n\

+\n\

+ Cursor/PageUp/PageDown - Scroll printout\n\

+ Mousewheel             - Scroll printout\n\

+"};

+                        reui_title(re->prints[i].ui,"help");

+                        redata_op_add(re->prints[i].data,0,helptext,sizeof(helptext)-1,NULL);

                         re->contentsdirty=1;

                 }

         } else {

-                re_selectbuf_fill(re,0,redata_getused(re->data),0);

-                redata_op_add(re->prints[i].data,0,re->selectbuf,strlen(re->selectbuf),NULL);

-                SDL_SetClipboardText(re->selectbuf);

-                re->contentsdirty=1;

-        }

-#else

-/* option B: printouts are a window into a fixed place of the file */

-        re->prints[i].data=NULL;

-        re->prints[i].originline=(re->selactive)?re->sellinefrom:0;

-        re->prints[i].origincol=0;

-        re->prints[i].showonlyn=0 /* (re->selactive)?re->sellineto-re->sellinefrom+1:0 */ ;

-        re->usedprints++;

-#endif

+                char mytitle[256];

+                snprintf(mytitle,sizeof(mytitle),"view %s",re->filename);

+                mytitle[sizeof(mytitle)-1]='\0';

+                reui_title(re->prints[i].ui,mytitle);

+                /* printout is a window into a fixed place of the file */

+                re->prints[i].data=NULL;

+                re->prints[i].originline=(re->selactive)?re->sellinefrom:0;

+                re->prints[i].origincol=0;

+                re->prints[i].showonlyn=0 /* (re->selactive)?re->sellineto-re->sellinefrom+1:0 */ ;

+                re->usedprints++;

+        }

+        re->prints[i].type=typeprintout;

         re->prints[i].dirty=1;

         return(0);

 }

@@ -2485,6 +2571,7 @@ re_drawcontents(re_t *re, printout_t *printout)

 {

         reui_t *ui;

         redata_t *data;

+        char *bgcolor;

         int x0,y0,w,h;

         int originline,origincol;

         int curline,curcol;

@@ -2523,7 +2610,9 @@ re_drawcontents(re_t *re, printout_t *printout)

         maxcol=re->maxcol;

         maxrow=re->maxrow;

         showonlyn=0;

-        flaglineno=(printout==NULL)?re->showlinenumbers:0;

+        flaglineno=(printout==NULL)?re->showlinenumbers:

+                   (printout->type==printoutHelp)?0:

+                   1;

         linenosize=linenowidth=0;

         if(printout==NULL && re->viewonly==1) {

                 memset(&fakeprintout,0,sizeof(printout_t));

@@ -2544,7 +2633,6 @@ re_drawcontents(re_t *re, printout_t *printout)

                 maxcol=w/ui->fontwidth-1;

                 maxrow=h/ui->fontheight-1;

                 showonlyn=printout->showonlyn;

-                flaglineno=1;

         }

         if(flaglineno) {

                 linenosize=6;

@@ -2556,7 +2644,10 @@ re_drawcontents(re_t *re, printout_t *printout)

         }

         if(redata_linecol2pos(data,curline,curcol,&cursorpos,NULL)!=0)

                 return(0); /* error obtaining position */

-        reui_fill(ui,x0-linenowidth,y0,w,h,COLOR_BACKGROUND(re));

+        bgcolor=(printout!=NULL && (printout->type==printoutHelp || printout->type==printoutManpage))

+                ?COLOR_PRINTOUTSTRIPE(re)

+                :COLOR_BACKGROUND(re);

+        reui_fill(ui,x0-linenowidth,y0,w,h,bgcolor);

         row=curline-originline;

         pos=cursorpos;

         /* get position/row/col of character at top left of screen */

@@ -2570,6 +2661,8 @@ re_drawcontents(re_t *re, printout_t *printout)

         /* highlight current line (in printouts, highlight alternating lines) */

         if(printout==NULL) {

                 reui_fill(ui,x0-linenowidth,y0+(curline-originline)*ui->fontheight,w,ui->fontheight+1,COLOR_PRINTOUTSTRIPE(re));

+        } else if(printout!=NULL && (printout->type==printoutHelp || printout->type==printoutManpage)) {

+                ; /* help bgcolor already filled */

         } else {

                 for(y=y0+((printout->data==NULL)?1:(printout->originline%2))*ui->fontheight;y<(y0+h);y+=ui->fontheight*2)

                         reui_fill(ui,x0-linenowidth,y,w,ui->fontheight+1,COLOR_PRINTOUTSTRIPE(re));