WIP console text selection, modal selection operator and selection drawing.
[blender-staging.git] / source / blender / editors / space_console / console_draw.c
index 4f225bb8fcb1ee774f0b911751f6c4b6bae4fc35..ab1fc8a5fca28cc7d9bfab0f8632268d00f50fdf 100644 (file)
@@ -123,63 +123,120 @@ static void console_report_color(unsigned char *fg, unsigned char *bg, Report *r
                }
 
        }
+}
 
+typedef struct ConsoleDrawContext {
+       int cwidth;
+       int lheight;
+       int console_width;
+       int winx;
+       int ymin, ymax;
+       int *xy; // [2]
+       int *sel; // [2]
+       int *pos_pick;
+       int *mval; // [2]
+       int draw;
+} ConsoleDrawContext;
+
+static void console_draw_sel(int sel[2], int xy[2], int str_len, int cwidth, int console_width, int lheight)
+{
+       if(sel[0] < str_len && sel[1] > 0) {
+               int sta = MAX2(sel[0], 0);
+               int end = MIN2(sel[1], str_len);
+               {
+                       glEnable(GL_POLYGON_STIPPLE);
+                       glPolygonStipple(stipple_halftone);
+                       glEnable( GL_BLEND );
+                       glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
+                       glColor4ub(255, 255, 255, 96);
+               }
+               glRecti(xy[0]+(cwidth*sta), xy[1]-2 + lheight, xy[0]+(cwidth*end), xy[1]-2);
+               {
+                       glDisable(GL_POLYGON_STIPPLE);
+                       glDisable( GL_BLEND );
+               }
+       }
 
-
+       sel[0] -= str_len;
+       sel[1] -= str_len;
 }
 
 
 /* return 0 if the last line is off the screen
  * should be able to use this for any string type */
-static int console_draw_string(        char *str, int str_len,
-                                                                       int console_width, int lheight,
-                                                                       unsigned char *fg, unsigned char *bg,
-                                                                       int winx,
-                                                                       int ymin, int ymax,
-                                                                       int *x, int *y, int draw)
-{      
-       int rct_ofs= lheight/4;
-       int tot_lines = (str_len/console_width)+1; /* total number of lines for wrapping */
-       int y_next = (str_len > console_width) ? (*y)+lheight*tot_lines : (*y)+lheight;
+
+static int console_draw_string(ConsoleDrawContext *cdc, char *str, int str_len, unsigned char *fg, unsigned char *bg)
+{
+       int rct_ofs= cdc->lheight/4;
+       int tot_lines = (str_len/cdc->console_width)+1; /* total number of lines for wrapping */
+       int y_next = (str_len > cdc->console_width) ? cdc->xy[1]+cdc->lheight*tot_lines : cdc->xy[1]+cdc->lheight;
 
        /* just advance the height */
-       if(draw==0) {
-               *y= y_next;
+       if(cdc->draw==0) {
+               if(cdc->pos_pick) {
+                       if((cdc->mval[1] != INT_MAX) && cdc->xy[1] <= cdc->mval[1]) {
+                               if((cdc->xy[1]+cdc->lheight >= cdc->mval[1])) {
+                                       int ofs = (int)floor(((float)cdc->mval[0] / (float)cdc->cwidth));
+                                       *cdc->pos_pick += MIN2(ofs, str_len);
+                               } else
+                                       *cdc->pos_pick += str_len;
+                       }
+
+               }
+
+               cdc->xy[1]= y_next;
                return 1;
        }
-       else if (y_next-lheight < ymin) {
+       else if (y_next-cdc->lheight < cdc->ymin) {
                /* have not reached the drawable area so don't break */
-               *y= y_next;
+               cdc->xy[1]= y_next;
                return 1;
        }
 
-       if(str_len > console_width) { /* wrap? */
-               char *line_stride= str + ((tot_lines-1) * console_width);       /* advance to the last line and draw it first */
+       if(str_len > cdc->console_width) { /* wrap? */
+               char *line_stride= str + ((tot_lines-1) * cdc->console_width);  /* advance to the last line and draw it first */
                char eol;                                                                                                       /* baclup the end of wrapping */
                
                if(bg) {
                        glColor3ub(bg[0], bg[1], bg[2]);
-                       glRecti(0, *y-rct_ofs, winx, (*y+(lheight*tot_lines))+rct_ofs);
+                       glRecti(0, cdc->xy[1]-rct_ofs, cdc->winx, (cdc->xy[1]+(cdc->lheight*tot_lines))+rct_ofs);
                }
 
                glColor3ub(fg[0], fg[1], fg[2]);
 
                /* last part needs no clipping */
-               BLF_position(*x, *y, 0); (*y) += lheight;
+               BLF_position(cdc->xy[0], cdc->xy[1], 0);
                BLF_draw(line_stride);
-               line_stride -= console_width;
+
+               if(cdc->sel[0] != cdc->sel[1]) {
+                       cdc->sel[0] += str_len - (cdc->console_width % str_len);
+                       cdc->sel[1] += str_len - (cdc->console_width % str_len);
+                       console_draw_sel(cdc->sel, cdc->xy, cdc->console_width % str_len, cdc->cwidth, cdc->console_width, cdc->lheight);
+                       glColor3ub(fg[0], fg[1], fg[2]);
+               }
+
+               cdc->xy[1] += cdc->lheight;
+
+               line_stride -= cdc->console_width;
                
-               for(; line_stride >= str; line_stride -= console_width) {
-                       eol = line_stride[console_width];
-                       line_stride[console_width]= '\0';
+               for(; line_stride >= str; line_stride -= cdc->console_width) {
+                       eol = line_stride[cdc->console_width];
+                       line_stride[cdc->console_width]= '\0';
                        
-                       BLF_position(*x, *y, 0); (*y) += lheight;
+                       BLF_position(cdc->xy[0], cdc->xy[1], 0);
                        BLF_draw(line_stride);
                        
-                       line_stride[console_width] = eol; /* restore */
+                       if(cdc->sel[0] != cdc->sel[1]) {
+                               console_draw_sel(cdc->sel, cdc->xy, cdc->console_width, cdc->cwidth, cdc->console_width, cdc->lheight);
+                               glColor3ub(fg[0], fg[1], fg[2]);
+                       }
+
+                       cdc->xy[1] += cdc->lheight;
+
+                       line_stride[cdc->console_width] = eol; /* restore */
                        
                        /* check if were out of view bounds */
-                       if(*y > ymax)
+                       if(cdc->xy[1] > cdc->ymax)
                                return 0;
                }
        }
@@ -187,15 +244,20 @@ static int console_draw_string(   char *str, int str_len,
 
                if(bg) {
                        glColor3ub(bg[0], bg[1], bg[2]);
-                       glRecti(0, *y-rct_ofs, winx, *y+lheight-rct_ofs);
+                       glRecti(0, cdc->xy[1]-rct_ofs, cdc->winx, cdc->xy[1]+cdc->lheight-rct_ofs);
                }
 
                glColor3ub(fg[0], fg[1], fg[2]);
 
-               BLF_position(*x, *y, 0); (*y) += lheight;
+               BLF_position(cdc->xy[0], cdc->xy[1], 0);
                BLF_draw(str);
                
-               if(*y > ymax)
+               if(cdc->sel[0] != cdc->sel[1])
+                       console_draw_sel(cdc->sel, cdc->xy, str_len, cdc->cwidth, cdc->console_width, cdc->lheight);
+
+               cdc->xy[1] += cdc->lheight;
+
+               if(cdc->xy[1] > cdc->ymax)
                        return 0;
        }
 
@@ -205,32 +267,54 @@ static int console_draw_string(   char *str, int str_len,
 #define CONSOLE_DRAW_MARGIN 4
 #define CONSOLE_DRAW_SCROLL 16
 
-static int console_text_main__internal(struct SpaceConsole *sc, struct ARegion *ar, ReportList *reports, int draw, int mouse_y, void **mouse_pick)
+static int console_text_main__internal(struct SpaceConsole *sc, struct ARegion *ar, ReportList *reports, int draw, int mval[2], void **mouse_pick, int *pos_pick)
 {
        View2D *v2d= &ar->v2d;
 
        ConsoleLine *cl= sc->history.last;
+       ConsoleDrawContext cdc;
        
        int x_orig=CONSOLE_DRAW_MARGIN, y_orig=CONSOLE_DRAW_MARGIN;
-       int x,y, y_prev;
+       int xy[2], y_prev;
        int cwidth;
        int console_width; /* number of characters that fit into the width of the console (fixed width) */
+       int sel[2]= {-1, -1}; /* defaults disabled */
        unsigned char fg[3];
-       
+
        console_font_begin(sc);
        cwidth = BLF_fixed_width();
        
        console_width= (ar->winx - (CONSOLE_DRAW_SCROLL + CONSOLE_DRAW_MARGIN*2) )/cwidth;
        if (console_width < 8) console_width= 8;
        
-       x= x_orig; y= y_orig;
+       xy[0]= x_orig; xy[1]= y_orig;
        
-       if(mouse_y != INT_MAX)
-               mouse_y += (v2d->cur.ymin+CONSOLE_DRAW_MARGIN);
-
+       if(mval[1] != INT_MAX)
+               mval[1] += (v2d->cur.ymin + CONSOLE_DRAW_MARGIN);
+
+       if(pos_pick)
+               *pos_pick = 0;
+
+       /* constants for the sequencer context */
+       cdc.cwidth= cwidth;
+       cdc.lheight= sc->lheight;
+       cdc.console_width= console_width;
+       cdc.winx= ar->winx-(CONSOLE_DRAW_MARGIN+CONSOLE_DRAW_SCROLL);
+       cdc.ymin= v2d->cur.ymin;
+       cdc.ymax= v2d->cur.ymax;
+       cdc.xy= xy;
+       cdc.sel= sel;
+       cdc.pos_pick= pos_pick;
+       cdc.mval= mval;
+       cdc.draw= draw;
 
        if(sc->type==CONSOLE_TYPE_PYTHON) {
                int prompt_len;
+
+               if(sc->sel_start != sc->sel_end) {
+                       sel[0]= sc->sel_start;
+                       sel[1]= sc->sel_end;
+               }
                
                /* text */
                if(draw) {
@@ -240,42 +324,36 @@ static int console_text_main__internal(struct SpaceConsole *sc, struct ARegion *
 
                        /* command line */
                        if(prompt_len) {
-                               BLF_position(x, y, 0); x += cwidth * prompt_len;
+                               BLF_position(xy[0], xy[1], 0); xy[0] += cwidth * prompt_len;
                                BLF_draw(sc->prompt);
                        }
-                       BLF_position(x, y, 0);
+                       BLF_position(xy[0], xy[1], 0);
                        BLF_draw(cl->line);
 
                        /* cursor */
                        console_line_color(fg, CONSOLE_LINE_ERROR); /* lazy */
                        glColor3ub(fg[0], fg[1], fg[2]);
-                       glRecti(x+(cwidth*cl->cursor) -1, y-2, x+(cwidth*cl->cursor) +1, y+sc->lheight-2);
+                       glRecti(xy[0]+(cwidth*cl->cursor) -1, xy[1]-2, xy[0]+(cwidth*cl->cursor) +1, xy[1]+sc->lheight-2);
 
-                       x= x_orig; /* remove prompt offset */
+                       xy[0]= x_orig; /* remove prompt offset */
                }
                
-               y += sc->lheight;
+               xy[1] += sc->lheight;
                
                for(cl= sc->scrollback.last; cl; cl= cl->prev) {
-                       y_prev= y;
+                       y_prev= xy[1];
 
                        if(draw)
                                console_line_color(fg, cl->type);
 
-                       if(!console_draw_string(        cl->line, cl->len,
-                                                                               console_width, sc->lheight,
-                                                                               fg, NULL,
-                                                                               ar->winx-(CONSOLE_DRAW_MARGIN+CONSOLE_DRAW_SCROLL),
-                                                                               v2d->cur.ymin, v2d->cur.ymax,
-                                                                               &x, &y, draw))
-                       {
+                       if(!console_draw_string(&cdc, cl->line, cl->len, fg, NULL)) {
                                /* when drawing, if we pass v2d->cur.ymax, then quit */
                                if(draw) {
                                        break; /* past the y limits */
                                }
                        }
 
-                       if((mouse_y != INT_MAX) && (mouse_y >= y_prev && mouse_y <= y)) {
+                       if((mval[1] != INT_MAX) && (mval[1] >= y_prev && mval[1] <= xy[1])) {
                                *mouse_pick= (void *)cl;
                                break;
                        }
@@ -298,24 +376,18 @@ static int console_text_main__internal(struct SpaceConsole *sc, struct ARegion *
                for(report=reports->list.last; report; report=report->prev) {
                        
                        if(report->type & report_mask) {
-                               y_prev= y;
+                               y_prev= xy[1];
 
                                if(draw)
                                        console_report_color(fg, bg, report, bool);
 
-                               if(!console_draw_string(        report->message, report->len,
-                                                                                       console_width, sc->lheight,
-                                                                                       fg, bg,
-                                                                                       ar->winx-(CONSOLE_DRAW_MARGIN+CONSOLE_DRAW_SCROLL),
-                                                                                       v2d->cur.ymin, v2d->cur.ymax,
-                                                                                       &x, &y, draw))
-                               {
+                               if(!console_draw_string(&cdc, report->message, report->len, fg, bg)) {
                                        /* when drawing, if we pass v2d->cur.ymax, then quit */
                                        if(draw) {
                                                break; /* past the y limits */
                                        }
                                }
-                               if((mouse_y != INT_MAX) && (mouse_y >= y_prev && mouse_y <= y)) {
+                               if((mval[1] != INT_MAX) && (mval[1] >= y_prev && mval[1] <= xy[1])) {
                                        *mouse_pick= (void *)report;
                                        break;
                                }
@@ -324,25 +396,37 @@ static int console_text_main__internal(struct SpaceConsole *sc, struct ARegion *
                        }
                }
        }
-       y += sc->lheight*2;
+       xy[1] += sc->lheight*2;
 
        
-       return y-y_orig;
+       return xy[1]-y_orig;
 }
 
 void console_text_main(struct SpaceConsole *sc, struct ARegion *ar, ReportList *reports)
 {
-       console_text_main__internal(sc, ar, reports, 1,  INT_MAX, NULL);
+       int mval[2] = {INT_MAX, INT_MAX};
+       console_text_main__internal(sc, ar, reports, 1,  mval, NULL, NULL);
 }
 
 int console_text_height(struct SpaceConsole *sc, struct ARegion *ar, ReportList *reports)
 {
-       return console_text_main__internal(sc, ar, reports, 0,  INT_MAX, NULL);
+       int mval[2] = {INT_MAX, INT_MAX};
+       return console_text_main__internal(sc, ar, reports, 0,  mval, NULL, NULL);
 }
 
 void *console_text_pick(struct SpaceConsole *sc, struct ARegion *ar, ReportList *reports, int mouse_y)
 {
+       int mval[2] = {0, mouse_y};
        void *mouse_pick= NULL;
-       console_text_main__internal(sc, ar, reports, 0, mouse_y, &mouse_pick);
+       console_text_main__internal(sc, ar, reports, 0, mval, &mouse_pick, NULL);
        return (void *)mouse_pick;
 }
+
+// XXX - breaks with line wrap
+int console_char_pick(struct SpaceConsole *sc, struct ARegion *ar, ReportList *reports, int mval[2])
+{
+       int pos_pick= 0;
+       void *mouse_pick= NULL;
+       console_text_main__internal(sc, ar, reports, 0, mval, &mouse_pick, &pos_pick);
+       return pos_pick;
+}