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blender-archive/source/blender/editors/space_console/console_draw.c

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C

/**
* $Id$
*
* ***** BEGIN GPL LICENSE BLOCK *****
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software Foundation,
* Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*
* The Original Code is Copyright (C) 2001-2002 by NaN Holding BV.
* All rights reserved.
*
* The Original Code is: all of this file.
*
* Contributor(s): Campbell Barton
*
* ***** END GPL LICENSE BLOCK *****
*/
#include <math.h>
#include <stdlib.h>
#include <string.h>
#include <sys/stat.h>
#include <limits.h>
#include "BLF_api.h"
#include "BLI_blenlib.h"
#include "DNA_space_types.h"
#include "DNA_screen_types.h"
// #include "BKE_suggestions.h"
#include "BKE_report.h"
#include "BKE_utildefines.h"
#include "MEM_guardedalloc.h"
#include "BIF_gl.h"
#include "BIF_glutil.h"
#include "ED_datafiles.h"
#include "ED_types.h"
#include "UI_resources.h"
#include "console_intern.h"
static int mono= -1; // XXX needs proper storage and change all the BLF_* here!
static void console_font_begin(SpaceConsole *sc)
{
if(mono == -1)
mono= BLF_load_mem("monospace", (unsigned char*)datatoc_bmonofont_ttf, datatoc_bmonofont_ttf_size);
BLF_aspect(mono, 1.0);
BLF_size(mono, sc->lheight-2, 72);
}
static void console_line_color(unsigned char *fg, int type)
{
switch(type) {
case CONSOLE_LINE_OUTPUT:
UI_GetThemeColor3ubv(TH_CONSOLE_OUTPUT, (char *)fg);
break;
case CONSOLE_LINE_INPUT:
UI_GetThemeColor3ubv(TH_CONSOLE_INPUT, (char *)fg);
break;
case CONSOLE_LINE_INFO:
UI_GetThemeColor3ubv(TH_CONSOLE_INFO, (char *)fg);
break;
case CONSOLE_LINE_ERROR:
UI_GetThemeColor3ubv(TH_CONSOLE_ERROR, (char *)fg);
break;
}
}
static void console_report_color(unsigned char *fg, unsigned char *bg, Report *report, int bool)
{
/*
if (type & RPT_ERROR_ALL) { fg[0]=220; fg[1]=0; fg[2]=0; }
else if (type & RPT_WARNING_ALL) { fg[0]=220; fg[1]=96; fg[2]=96; }
else if (type & RPT_OPERATOR_ALL) { fg[0]=96; fg[1]=128; fg[2]=255; }
else if (type & RPT_INFO_ALL) { fg[0]=0; fg[1]=170; fg[2]=0; }
else if (type & RPT_DEBUG_ALL) { fg[0]=196; fg[1]=196; fg[2]=196; }
else { fg[0]=196; fg[1]=196; fg[2]=196; }
*/
if(report->flag & SELECT) {
fg[0]=255; fg[1]=255; fg[2]=255;
if(bool) {
bg[0]=96; bg[1]=128; bg[2]=255;
}
else {
bg[0]=90; bg[1]=122; bg[2]=249;
}
}
else {
fg[0]=0; fg[1]=0; fg[2]=0;
if(bool) {
bg[0]=120; bg[1]=120; bg[2]=120;
}
else {
bg[0]=114; bg[1]=114; bg[2]=114;
}
}
}
typedef struct ConsoleDrawContext {
int cwidth;
int lheight;
int console_width;
int winx;
int ymin, ymax;
int *xy; // [2]
int *sel; // [2]
int *pos_pick; // bottom of view == 0, top of file == combine chars, end of line is lower then start.
int *mval; // [2]
int draw;
} ConsoleDrawContext;
static void console_draw_sel(int sel[2], int xy[2], int str_len_draw, int cwidth, int console_width, int lheight)
{
if(sel[0] <= str_len_draw && sel[1] >= 0) {
int sta = MAX2(sel[0], 0);
int end = MIN2(sel[1], str_len_draw);
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 );
}
}
/* 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(ConsoleDrawContext *cdc, char *str, int str_len, unsigned char *fg, unsigned char *bg)
{
#define STEP_SEL(value) cdc->sel[0] += (value); cdc->sel[1] += (value)
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(cdc->draw==0) {
if(cdc->pos_pick && (cdc->mval[1] != INT_MAX)) {
if(cdc->xy[1] <= cdc->mval[1]) {
if((y_next >= cdc->mval[1])) {
int ofs = (int)floor(((float)cdc->mval[0] / (float)cdc->cwidth));
/* wrap */
if(str_len > cdc->console_width)
ofs += (cdc->console_width * ((int)((((float)(y_next - cdc->mval[1]) / (float)(y_next-cdc->xy[1])) * tot_lines))));
CLAMP(ofs, 0, str_len);
*cdc->pos_pick += str_len - ofs;
} else
*cdc->pos_pick += str_len + 1;
}
}
cdc->xy[1]= y_next;
return 1;
}
else if (y_next-cdc->lheight < cdc->ymin) {
/* have not reached the drawable area so don't break */
cdc->xy[1]= y_next;
/* adjust selection even if not drawing */
if(cdc->sel[0] != cdc->sel[1]) {
STEP_SEL(-(str_len + 1));
}
return 1;
}
if(str_len > cdc->console_width) { /* wrap? */
const int initial_offset= ((tot_lines-1) * cdc->console_width);
char *line_stride= str + initial_offset; /* advance to the last line and draw it first */
char eol; /* baclup the end of wrapping */
int sel_orig[2];
VECCOPY2D(sel_orig, cdc->sel);
/* invert and swap for wrapping */
cdc->sel[0] = str_len - sel_orig[1];
cdc->sel[1] = str_len - sel_orig[0];
if(bg) {
glColor3ubv(bg);
glRecti(0, cdc->xy[1]-rct_ofs, cdc->winx, (cdc->xy[1]+(cdc->lheight*tot_lines))+rct_ofs);
}
glColor3ubv(fg);
/* last part needs no clipping */
BLF_position(mono, cdc->xy[0], cdc->xy[1], 0);
BLF_draw(mono, line_stride);
if(cdc->sel[0] != cdc->sel[1]) {
STEP_SEL(-initial_offset);
// glColor4ub(255, 0, 0, 96); // debug
console_draw_sel(cdc->sel, cdc->xy, str_len % cdc->console_width, cdc->cwidth, cdc->console_width, cdc->lheight);
STEP_SEL(cdc->console_width);
glColor3ubv(fg);
}
cdc->xy[1] += cdc->lheight;
line_stride -= cdc->console_width;
for(; line_stride >= str; line_stride -= cdc->console_width) {
eol = line_stride[cdc->console_width];
line_stride[cdc->console_width]= '\0';
BLF_position(mono, cdc->xy[0], cdc->xy[1], 0);
BLF_draw(mono, line_stride);
if(cdc->sel[0] != cdc->sel[1]) {
// glColor4ub(0, 255, 0, 96); // debug
console_draw_sel(cdc->sel, cdc->xy, cdc->console_width, cdc->cwidth, cdc->console_width, cdc->lheight);
STEP_SEL(cdc->console_width);
glColor3ubv(fg);
}
cdc->xy[1] += cdc->lheight;
line_stride[cdc->console_width] = eol; /* restore */
/* check if were out of view bounds */
if(cdc->xy[1] > cdc->ymax)
return 0;
}
VECCOPY2D(cdc->sel, sel_orig);
STEP_SEL(-(str_len + 1));
}
else { /* simple, no wrap */
if(bg) {
glColor3ubv(bg);
glRecti(0, cdc->xy[1]-rct_ofs, cdc->winx, cdc->xy[1]+cdc->lheight-rct_ofs);
}
glColor3ubv(fg);
BLF_position(mono, cdc->xy[0], cdc->xy[1], 0);
BLF_draw(mono, str);
if(cdc->sel[0] != cdc->sel[1]) {
int isel[2]= {str_len - cdc->sel[1], str_len - cdc->sel[0]};
// glColor4ub(255, 255, 0, 96); // debug
console_draw_sel(isel, cdc->xy, str_len, cdc->cwidth, cdc->console_width, cdc->lheight);
STEP_SEL(-(str_len + 1));
}
cdc->xy[1] += cdc->lheight;
if(cdc->xy[1] > cdc->ymax)
return 0;
}
return 1;
#undef STEP_SEL
}
void console_scrollback_prompt_begin(struct SpaceConsole *sc, ConsoleLine *cl_dummy)
{
/* fake the edit line being in the scroll buffer */
ConsoleLine *cl= sc->history.last;
cl_dummy->type= CONSOLE_LINE_INPUT;
cl_dummy->len= cl_dummy->len_alloc= strlen(sc->prompt) + cl->len;
cl_dummy->len_alloc= cl_dummy->len + 1;
cl_dummy->line= MEM_mallocN(cl_dummy->len_alloc, "cl_dummy");
memcpy(cl_dummy->line, sc->prompt, (cl_dummy->len_alloc - cl->len));
memcpy(cl_dummy->line + ((cl_dummy->len_alloc - cl->len)) - 1, cl->line, cl->len + 1);
BLI_addtail(&sc->scrollback, cl_dummy);
}
void console_scrollback_prompt_end(struct SpaceConsole *sc, ConsoleLine *cl_dummy)
{
MEM_freeN(cl_dummy->line);
BLI_remlink(&sc->scrollback, cl_dummy);
}
#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 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 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(mono);
console_width= (ar->winx - (CONSOLE_DRAW_SCROLL + CONSOLE_DRAW_MARGIN*2) )/cwidth;
if (console_width < 8) console_width= 8;
xy[0]= x_orig; xy[1]= y_orig;
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) {
ConsoleLine cl_dummy= {0};
int prompt_len= strlen(sc->prompt);
if(sc->sel_start != sc->sel_end) {
sel[0]= sc->sel_start;
sel[1]= sc->sel_end;
}
/* text */
if(draw) {
/* cursor */
UI_GetThemeColor3ubv(TH_CONSOLE_CURSOR, (char *)fg);
glColor3ubv(fg);
glRecti(xy[0]+(cwidth*(cl->cursor+prompt_len)) -1, xy[1]-2, xy[0]+(cwidth*(cl->cursor+prompt_len)) +1, xy[1]+sc->lheight-2);
xy[0]= x_orig; /* remove prompt offset */
}
console_scrollback_prompt_begin(sc, &cl_dummy);
for(cl= sc->scrollback.last; cl; cl= cl->prev) {
y_prev= xy[1];
if(draw)
console_line_color(fg, cl->type);
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((mval[1] != INT_MAX) && (mval[1] >= y_prev && mval[1] <= xy[1])) {
*mouse_pick= (void *)cl;
break;
}
}
console_scrollback_prompt_end(sc, &cl_dummy);
}
else {
Report *report;
int report_mask= 0;
int bool= 0;
unsigned char bg[3];
if(draw) {
glClearColor(120.0/255.0, 120.0/255.0, 120.0/255.0, 1.0);
glClear(GL_COLOR_BUFFER_BIT);
}
/* convert our display toggles into a flag compatible with BKE_report flags */
report_mask= console_report_mask(sc);
for(report=reports->list.last; report; report=report->prev) {
if(report->type & report_mask) {
y_prev= xy[1];
if(draw)
console_report_color(fg, bg, report, bool);
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((mval[1] != INT_MAX) && (mval[1] >= y_prev && mval[1] <= xy[1])) {
*mouse_pick= (void *)report;
break;
}
bool = !(bool);
}
}
}
xy[1] += sc->lheight*2;
return xy[1]-y_orig;
}
void console_text_main(struct SpaceConsole *sc, struct ARegion *ar, ReportList *reports)
{
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)
{
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, mval, &mouse_pick, NULL);
return (void *)mouse_pick;
}
int console_char_pick(struct SpaceConsole *sc, struct ARegion *ar, ReportList *reports, int mval[2])
{
int pos_pick= 0;
void *mouse_pick= NULL;
int mval_clamp[2];
mval_clamp[0]= CLAMPIS(mval[0], CONSOLE_DRAW_MARGIN, ar->winx-(CONSOLE_DRAW_SCROLL + CONSOLE_DRAW_MARGIN));
mval_clamp[1]= CLAMPIS(mval[1], CONSOLE_DRAW_MARGIN, ar->winy-CONSOLE_DRAW_MARGIN);
console_text_main__internal(sc, ar, reports, 0, mval_clamp, &mouse_pick, &pos_pick);
return pos_pick;
}