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/*
* 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) 2010 Blender Foundation.
* All rights reserved.
*/
/** \file
* \ingroup spinfo
*/
#include <limits.h>
#include <string.h>
#include "BLI_utildefines.h"
#include "DNA_screen_types.h"
#include "DNA_space_types.h"
#include "BKE_report.h"
#include "UI_interface.h"
#include "UI_resources.h"
#include "UI_view2d.h"
#include "GPU_framebuffer.h"
#include "info_intern.h"
#include "textview.h"
static enum eTextViewContext_LineFlag report_line_data(TextViewContext *tvc,
uchar fg[4],
uchar bg[4],
int *r_icon,
uchar r_icon_fg[4],
uchar r_icon_bg[4])
{
const Report *report = tvc->iter;
/* Same text color no matter what type of report. */
UI_GetThemeColor4ubv((report->flag & SELECT) ? TH_INFO_SELECTED_TEXT : TH_TEXT, fg);
/* Zebra striping for background. */
int bg_id = (report->flag & SELECT) ? TH_INFO_SELECTED : TH_BACK;
int shade = (tvc->iter_tmp % 2) ? 4 : -4;
UI_GetThemeColorShade4ubv(bg_id, shade, bg);
/* Don't show icon on subsequent rows of multirow report. */
*r_icon = (tvc->iter_char_begin != 0) ? ICON_NONE : UI_icon_from_report_type(report->type);
int icon_fg_id = UI_text_colorid_from_report_type(report->type);
int icon_bg_id = UI_icon_colorid_from_report_type(report->type);
if (report->flag & SELECT) {
icon_fg_id = TH_INFO_SELECTED;
icon_bg_id = TH_INFO_SELECTED_TEXT;
}
if (*r_icon != ICON_NONE) {
UI_GetThemeColor4ubv(icon_fg_id, r_icon_fg);
/* This theme color is RGB only, so set alpha. */
r_icon_fg[3] = 255;
UI_GetThemeColor4ubv(icon_bg_id, r_icon_bg);
return TVC_LINE_FG | TVC_LINE_BG | TVC_LINE_ICON | TVC_LINE_ICON_FG | TVC_LINE_ICON_BG;
}
return TVC_LINE_FG | TVC_LINE_BG;
}
/* reports! */
static void report_textview_init__internal(TextViewContext *tvc)
{
const Report *report = tvc->iter;
const char *str = report->message;
for (int i = tvc->iter_char_end - 1; i >= 0; i -= 1) {
if (str[i] == '\n') {
tvc->iter_char_begin = i + 1;
return;
}
}
tvc->iter_char_begin = 0;
}
static int report_textview_skip__internal(TextViewContext *tvc)
{
const SpaceInfo *sinfo = tvc->arg1;
const int report_mask = info_report_mask(sinfo);
while (tvc->iter && (((const Report *)tvc->iter)->type & report_mask) == 0) {
tvc->iter = (void *)((Link *)tvc->iter)->prev;
}
return (tvc->iter != NULL);
}
static int report_textview_begin(TextViewContext *tvc)
{
const ReportList *reports = tvc->arg2;
tvc->sel_start = 0;
tvc->sel_end = 0;
/* iterator */
tvc->iter = reports->list.last;
UI_ThemeClearColor(TH_BACK);
tvc->iter_tmp = 0;
if (tvc->iter && report_textview_skip__internal(tvc)) {
/* init the newline iterator */
const Report *report = tvc->iter;
tvc->iter_char_end = report->len;
report_textview_init__internal(tvc);
return true;
}
return false;
}
static void report_textview_end(TextViewContext *UNUSED(tvc))
{
/* pass */
}
static int report_textview_step(TextViewContext *tvc)
{
/* simple case, but no newline support */
const Report *report = tvc->iter;
if (tvc->iter_char_begin <= 0) {
tvc->iter = (void *)((Link *)tvc->iter)->prev;
if (tvc->iter && report_textview_skip__internal(tvc)) {
tvc->iter_tmp++;
report = tvc->iter;
tvc->iter_char_end = report->len; /* reset start */
report_textview_init__internal(tvc);
return true;
}
return false;
}
/* step to the next newline */
tvc->iter_char_end = tvc->iter_char_begin - 1;
report_textview_init__internal(tvc);
return true;
}
static void report_textview_line_get(TextViewContext *tvc, const char **r_line, int *r_len)
{
const Report *report = tvc->iter;
*r_line = report->message + tvc->iter_char_begin;
*r_len = tvc->iter_char_end - tvc->iter_char_begin;
}
static void info_textview_draw_rect_calc(const ARegion *region,
rcti *r_draw_rect,
rcti *r_draw_rect_outer)
{
const int margin = 0.45f * U.widget_unit;
r_draw_rect->xmin = margin + UI_UNIT_X;
r_draw_rect->xmax = region->winx - V2D_SCROLL_WIDTH;
r_draw_rect->ymin = margin;
r_draw_rect->ymax = region->winy;
/* No margin at the top (allow text to scroll off the window). */
r_draw_rect_outer->xmin = 0;
r_draw_rect_outer->xmax = region->winx;
r_draw_rect_outer->ymin = 0;
r_draw_rect_outer->ymax = region->winy;
}
static int info_textview_main__internal(const SpaceInfo *sinfo,
const ARegion *region,
const ReportList *reports,
const bool do_draw,
const int mval[2],
void **r_mval_pick_item,
int *r_mval_pick_offset)
{
int ret = 0;
const View2D *v2d = ®ion->v2d;
TextViewContext tvc = {0};
tvc.begin = report_textview_begin;
tvc.end = report_textview_end;
tvc.step = report_textview_step;
tvc.line_get = report_textview_line_get;
tvc.line_data = report_line_data;
tvc.const_colors = NULL;
tvc.arg1 = sinfo;
tvc.arg2 = reports;
/* view */
tvc.sel_start = 0;
tvc.sel_end = 0;
tvc.lheight = 17 * UI_DPI_FAC;
tvc.row_vpadding = 0.4 * tvc.lheight;
tvc.scroll_ymin = v2d->cur.ymin;
tvc.scroll_ymax = v2d->cur.ymax;
info_textview_draw_rect_calc(region, &tvc.draw_rect, &tvc.draw_rect_outer);
ret = textview_draw(&tvc, do_draw, mval, r_mval_pick_item, r_mval_pick_offset);
return ret;
}
void *info_text_pick(const SpaceInfo *sinfo,
const ARegion *region,
const ReportList *reports,
int mouse_y)
{
void *mval_pick_item = NULL;
const int mval[2] = {0, mouse_y};
info_textview_main__internal(sinfo, region, reports, false, mval, &mval_pick_item, NULL);
return (void *)mval_pick_item;
}
int info_textview_height(const SpaceInfo *sinfo, const ARegion *region, const ReportList *reports)
{
const int mval[2] = {INT_MAX, INT_MAX};
return info_textview_main__internal(sinfo, region, reports, false, mval, NULL, NULL);
}
void info_textview_main(const SpaceInfo *sinfo, const ARegion *region, const ReportList *reports)
{
const int mval[2] = {INT_MAX, INT_MAX};
info_textview_main__internal(sinfo, region, reports, true, mval, NULL, NULL);
}
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