224 lines
6.6 KiB
C++
224 lines
6.6 KiB
C++
/* SPDX-FileCopyrightText: 2010 Blender Authors
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*
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* SPDX-License-Identifier: GPL-2.0-or-later */
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/** \file
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* \ingroup spinfo
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*/
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#include <climits>
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#include <cstring>
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#include "DNA_screen_types.h"
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#include "UI_interface.hh"
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#include "UI_resources.hh"
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#include "UI_view2d.hh"
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#include "info_intern.hh"
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#include "textview.hh"
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static enum eTextViewContext_LineFlag report_line_data(TextViewContext *tvc,
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uchar fg[4],
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uchar bg[4],
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int *r_icon,
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uchar r_icon_fg[4],
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uchar r_icon_bg[4])
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{
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const Report *report = static_cast<const Report *>(tvc->iter);
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/* Same text color no matter what type of report. */
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UI_GetThemeColor4ubv((report->flag & SELECT) ? TH_INFO_SELECTED_TEXT : TH_TEXT, fg);
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/* Zebra striping for background. */
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int bg_id = (report->flag & SELECT) ? TH_INFO_SELECTED : TH_BACK;
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int shade = (tvc->iter_tmp % 2) ? 4 : -4;
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UI_GetThemeColorShade4ubv(bg_id, shade, bg);
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/* Don't show icon on subsequent rows of multi-row report. */
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*r_icon = (tvc->iter_char_begin != 0) ? ICON_NONE : UI_icon_from_report_type(report->type);
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int icon_fg_id = UI_text_colorid_from_report_type(report->type);
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int icon_bg_id = UI_icon_colorid_from_report_type(report->type);
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if (report->flag & SELECT) {
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icon_fg_id = TH_INFO_SELECTED;
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icon_bg_id = TH_INFO_SELECTED_TEXT;
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}
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if (*r_icon != ICON_NONE) {
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UI_GetThemeColor4ubv(icon_fg_id, r_icon_fg);
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/* This theme color is RGB only, so set alpha. */
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r_icon_fg[3] = 255;
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UI_GetThemeColor4ubv(icon_bg_id, r_icon_bg);
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return TVC_LINE_FG | TVC_LINE_BG | TVC_LINE_ICON | TVC_LINE_ICON_FG | TVC_LINE_ICON_BG;
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}
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return TVC_LINE_FG | TVC_LINE_BG;
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}
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/* reports! */
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static void report_textview_init__internal(TextViewContext *tvc)
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{
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const Report *report = static_cast<const Report *>(tvc->iter);
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const char *str = report->message;
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for (int i = tvc->iter_char_end - 1; i >= 0; i -= 1) {
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if (str[i] == '\n') {
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tvc->iter_char_begin = i + 1;
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return;
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}
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}
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tvc->iter_char_begin = 0;
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}
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static int report_textview_skip__internal(TextViewContext *tvc)
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{
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const SpaceInfo *sinfo = static_cast<const SpaceInfo *>(tvc->arg1);
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const int report_mask = info_report_mask(sinfo);
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while (tvc->iter && (((const Report *)tvc->iter)->type & report_mask) == 0) {
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tvc->iter = (void *)((Link *)tvc->iter)->prev;
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}
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return (tvc->iter != nullptr);
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}
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static int report_textview_begin(TextViewContext *tvc)
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{
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const ReportList *reports = static_cast<const ReportList *>(tvc->arg2);
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tvc->sel_start = 0;
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tvc->sel_end = 0;
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/* iterator */
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tvc->iter = reports->list.last;
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UI_ThemeClearColor(TH_BACK);
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tvc->iter_tmp = 0;
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if (tvc->iter && report_textview_skip__internal(tvc)) {
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/* init the newline iterator */
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const Report *report = static_cast<const Report *>(tvc->iter);
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tvc->iter_char_end = report->len;
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report_textview_init__internal(tvc);
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return true;
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}
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return false;
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}
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static void report_textview_end(TextViewContext * /*tvc*/)
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{
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/* pass */
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}
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static int report_textview_step(TextViewContext *tvc)
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{
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/* simple case, but no newline support */
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if (tvc->iter_char_begin <= 0) {
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tvc->iter = (void *)((Link *)tvc->iter)->prev;
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if (tvc->iter && report_textview_skip__internal(tvc)) {
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tvc->iter_tmp++;
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const Report *report = static_cast<const Report *>(tvc->iter);
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tvc->iter_char_end = report->len; /* reset start */
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report_textview_init__internal(tvc);
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return true;
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}
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return false;
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}
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/* step to the next newline */
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tvc->iter_char_end = tvc->iter_char_begin - 1;
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report_textview_init__internal(tvc);
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return true;
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}
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static void report_textview_line_get(TextViewContext *tvc, const char **r_line, int *r_len)
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{
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const Report *report = static_cast<const Report *>(tvc->iter);
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*r_line = report->message + tvc->iter_char_begin;
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*r_len = tvc->iter_char_end - tvc->iter_char_begin;
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}
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static void info_textview_draw_rect_calc(const ARegion *region,
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rcti *r_draw_rect,
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rcti *r_draw_rect_outer)
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{
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const int margin = 0.45f * U.widget_unit;
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r_draw_rect->xmin = margin + UI_UNIT_X;
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r_draw_rect->xmax = region->winx - V2D_SCROLL_WIDTH;
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r_draw_rect->ymin = margin;
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r_draw_rect->ymax = region->winy;
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/* No margin at the top (allow text to scroll off the window). */
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r_draw_rect_outer->xmin = 0;
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r_draw_rect_outer->xmax = region->winx;
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r_draw_rect_outer->ymin = 0;
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r_draw_rect_outer->ymax = region->winy;
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}
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static int info_textview_main__internal(const SpaceInfo *sinfo,
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const ARegion *region,
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const ReportList *reports,
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const bool do_draw,
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const int mval[2],
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void **r_mval_pick_item,
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int *r_mval_pick_offset)
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{
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int ret = 0;
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const View2D *v2d = ®ion->v2d;
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TextViewContext tvc = {0};
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tvc.begin = report_textview_begin;
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tvc.end = report_textview_end;
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tvc.step = report_textview_step;
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tvc.line_get = report_textview_line_get;
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tvc.line_data = report_line_data;
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tvc.const_colors = nullptr;
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tvc.arg1 = sinfo;
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tvc.arg2 = reports;
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/* view */
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tvc.sel_start = 0;
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tvc.sel_end = 0;
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tvc.lheight = 17 * UI_SCALE_FAC;
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tvc.row_vpadding = 0.4 * tvc.lheight;
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tvc.scroll_ymin = v2d->cur.ymin;
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tvc.scroll_ymax = v2d->cur.ymax;
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info_textview_draw_rect_calc(region, &tvc.draw_rect, &tvc.draw_rect_outer);
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ret = textview_draw(&tvc, do_draw, mval, r_mval_pick_item, r_mval_pick_offset);
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return ret;
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}
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void *info_text_pick(const SpaceInfo *sinfo,
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const ARegion *region,
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const ReportList *reports,
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int mouse_y)
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{
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void *mval_pick_item = nullptr;
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const int mval[2] = {0, mouse_y};
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info_textview_main__internal(sinfo, region, reports, false, mval, &mval_pick_item, nullptr);
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return mval_pick_item;
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}
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int info_textview_height(const SpaceInfo *sinfo, const ARegion *region, const ReportList *reports)
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{
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const int mval[2] = {INT_MAX, INT_MAX};
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return info_textview_main__internal(sinfo, region, reports, false, mval, nullptr, nullptr);
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}
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void info_textview_main(const SpaceInfo *sinfo, const ARegion *region, const ReportList *reports)
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{
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const int mval[2] = {INT_MAX, INT_MAX};
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info_textview_main__internal(sinfo, region, reports, true, mval, nullptr, nullptr);
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}
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