diff options
Diffstat (limited to 'source/blender/editors/space_info/info_draw.cc')
| -rw-r--r-- | source/blender/editors/space_info/info_draw.cc | 246 |
1 files changed, 246 insertions, 0 deletions
diff --git a/source/blender/editors/space_info/info_draw.cc b/source/blender/editors/space_info/info_draw.cc new file mode 100644 index 00000000000..852447372d6 --- /dev/null +++ b/source/blender/editors/space_info/info_draw.cc @@ -0,0 +1,246 @@ +/* + * 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 <climits> +#include <cstring> + +#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 "info_intern.hh" +#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 = (const 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 multi-row 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 (enum eTextViewContext_LineFlag)(TVC_LINE_FG | TVC_LINE_BG | TVC_LINE_ICON | + TVC_LINE_ICON_FG | TVC_LINE_ICON_BG); + } + + return (enum eTextViewContext_LineFlag)(TVC_LINE_FG | TVC_LINE_BG); +} + +/* reports! */ +static void report_textview_init__internal(TextViewContext *tvc) +{ + const Report *report = (const 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 = (const SpaceInfo *)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 != nullptr); +} + +static int report_textview_begin(TextViewContext *tvc) +{ + const ReportList *reports = (const ReportList *)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 = (const 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 = (const 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 = (const 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 = (const 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 = nullptr; + + 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 = nullptr; + const int mval[2] = {0, mouse_y}; + + info_textview_main__internal(sinfo, region, reports, false, mval, &mval_pick_item, nullptr); + 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, nullptr, nullptr); +} + +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, nullptr, nullptr); +} |