diff options
author | Jacques Lucke <jacques@blender.org> | 2021-04-24 18:00:19 +0300 |
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committer | Jacques Lucke <jacques@blender.org> | 2021-04-24 18:00:37 +0300 |
commit | 9cce18a5858cb93da626f5f0fd7e09cd66637e05 (patch) | |
tree | f8f14810168405e984c263e05381e77afac869ef /source/blender/editors/space_info/textview.c | |
parent | 82328797cfcb5bbe543e4eeec4623504bfd9ff0c (diff) |
Info Editor: move to c++
I'm currently doing some experiments in the info editor and
for that it is easier if the info editor is in c++ already.
Diffstat (limited to 'source/blender/editors/space_info/textview.c')
-rw-r--r-- | source/blender/editors/space_info/textview.c | 441 |
1 files changed, 0 insertions, 441 deletions
diff --git a/source/blender/editors/space_info/textview.c b/source/blender/editors/space_info/textview.c deleted file mode 100644 index aef59e89325..00000000000 --- a/source/blender/editors/space_info/textview.c +++ /dev/null @@ -1,441 +0,0 @@ -/* - * 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. - */ - -/** \file - * \ingroup spinfo - */ - -#include "MEM_guardedalloc.h" - -#include "BLF_api.h" - -#include "BLI_math.h" -#include "BLI_string_utf8.h" -#include "BLI_utildefines.h" - -#include "GPU_immediate.h" -#include "GPU_state.h" - -#include "DNA_userdef_types.h" /* For 'U.dpi_fac' */ - -#include "UI_interface.h" -#include "UI_interface_icons.h" - -#include "textview.h" - -static void textview_font_begin(const int font_id, const int lheight) -{ - /* Font size in relation to line height. */ - BLF_size(font_id, 0.8f * lheight, 72); -} - -typedef struct TextViewDrawState { - int font_id; - int cwidth; - int lheight; - /** Text vertical offset per line. */ - int lofs; - int row_vpadding; - /** Number of characters that fit into the width of the console (fixed width). */ - int columns; - /** For drawing text. */ - const rcti *draw_rect; - /** For drawing backgrounds colors which may extend beyond text. */ - const rcti *draw_rect_outer; - int scroll_ymin, scroll_ymax; - int *xy; // [2] - int *sel; // [2] - /* Bottom of view == 0, top of file == combine chars, end of line is lower than start. */ - int *mval_pick_offset; - const int *mval; // [2] - bool do_draw; -} TextViewDrawState; - -BLI_INLINE void textview_step_sel(TextViewDrawState *tds, const int step) -{ - tds->sel[0] += step; - tds->sel[1] += step; -} - -static void textview_draw_sel(const char *str, - const int xy[2], - const int str_len_draw, - TextViewDrawState *tds, - const uchar bg_sel[4]) -{ - const int sel[2] = {tds->sel[0], tds->sel[1]}; - const int cwidth = tds->cwidth; - const int lheight = tds->lheight; - - if (sel[0] <= str_len_draw && sel[1] >= 0) { - const int sta = BLI_str_utf8_offset_to_column(str, max_ii(sel[0], 0)); - const int end = BLI_str_utf8_offset_to_column(str, min_ii(sel[1], str_len_draw)); - - GPU_blend(GPU_BLEND_ALPHA); - - GPUVertFormat *format = immVertexFormat(); - uint pos = GPU_vertformat_attr_add(format, "pos", GPU_COMP_I32, 2, GPU_FETCH_INT_TO_FLOAT); - immBindBuiltinProgram(GPU_SHADER_2D_UNIFORM_COLOR); - - immUniformColor4ubv(bg_sel); - immRecti(pos, xy[0] + (cwidth * sta), xy[1] + lheight, xy[0] + (cwidth * end), xy[1]); - - immUnbindProgram(); - - GPU_blend(GPU_BLEND_NONE); - } -} - -/** - * \warning Allocated memory for 'r_offsets' must be freed by caller. - * \return The length in bytes. - */ -static int textview_wrap_offsets( - const char *str, int len, int width, int *r_lines, int **r_offsets) -{ - int i, end; /* Offset as unicode code-point. */ - int j; /* Offset as bytes. */ - - *r_lines = 1; - - *r_offsets = MEM_callocN( - sizeof(**r_offsets) * - (len * BLI_UTF8_WIDTH_MAX / MAX2(1, width - (BLI_UTF8_WIDTH_MAX - 1)) + 1), - __func__); - (*r_offsets)[0] = 0; - - for (i = 0, end = width, j = 0; j < len && str[j]; j += BLI_str_utf8_size_safe(str + j)) { - int columns = BLI_str_utf8_char_width_safe(str + j); - - if (i + columns > end) { - (*r_offsets)[*r_lines] = j; - (*r_lines)++; - - end = i + width; - } - i += columns; - } - return j; -} - -/** - * return false if the last line is off the screen - * should be able to use this for any string type. - */ -static bool textview_draw_string(TextViewDrawState *tds, - const char *str, - int str_len, - const uchar fg[4], - const uchar bg[4], - int icon, - const uchar icon_fg[4], - const uchar icon_bg[4], - const uchar bg_sel[4]) -{ - int tot_lines; /* Total number of lines for wrapping. */ - int *offsets; /* Offsets of line beginnings for wrapping. */ - - str_len = textview_wrap_offsets(str, str_len, tds->columns, &tot_lines, &offsets); - - int line_height = (tot_lines * tds->lheight) + (tds->row_vpadding * 2); - int line_bottom = tds->xy[1]; - int line_top = line_bottom + line_height; - - int y_next = line_top; - - /* Just advance the height. */ - if (tds->do_draw == false) { - if (tds->mval_pick_offset && tds->mval[1] != INT_MAX && line_bottom <= tds->mval[1]) { - if (y_next >= tds->mval[1]) { - int ofs = 0; - - /* Wrap. */ - if (tot_lines > 1) { - int iofs = (int)((float)(y_next - tds->mval[1]) / tds->lheight); - ofs += offsets[MIN2(iofs, tot_lines - 1)]; - } - - /* Last part. */ - ofs += BLI_str_utf8_offset_from_column(str + ofs, - (int)floor((float)tds->mval[0] / tds->cwidth)); - - CLAMP(ofs, 0, str_len); - *tds->mval_pick_offset += str_len - ofs; - } - else { - *tds->mval_pick_offset += str_len + 1; - } - } - - tds->xy[1] = y_next; - MEM_freeN(offsets); - return true; - } - if (y_next < tds->scroll_ymin) { - /* Have not reached the drawable area so don't break. */ - tds->xy[1] = y_next; - - /* Adjust selection even if not drawing. */ - if (tds->sel[0] != tds->sel[1]) { - textview_step_sel(tds, -(str_len + 1)); - } - - MEM_freeN(offsets); - return true; - } - - size_t len; - const char *s; - int i; - - int sel_orig[2]; - copy_v2_v2_int(sel_orig, tds->sel); - - /* Invert and swap for wrapping. */ - tds->sel[0] = str_len - sel_orig[1]; - tds->sel[1] = str_len - sel_orig[0]; - - if (bg) { - GPUVertFormat *format = immVertexFormat(); - uint pos = GPU_vertformat_attr_add(format, "pos", GPU_COMP_I32, 2, GPU_FETCH_INT_TO_FLOAT); - immBindBuiltinProgram(GPU_SHADER_2D_UNIFORM_COLOR); - immUniformColor4ubv(bg); - immRecti(pos, tds->draw_rect_outer->xmin, line_bottom, tds->draw_rect_outer->xmax, line_top); - immUnbindProgram(); - } - - if (icon_bg) { - float col[4]; - int bg_size = UI_DPI_ICON_SIZE * 1.2; - float vpadding = (tds->lheight + (tds->row_vpadding * 2) - bg_size) / 2; - float hpadding = tds->draw_rect->xmin - (bg_size * 1.2f); - - rgba_uchar_to_float(col, icon_bg); - UI_draw_roundbox_corner_set(UI_CNR_ALL); - UI_draw_roundbox_4fv( - &(const rctf){ - .xmin = hpadding, - .xmax = bg_size + hpadding, - .ymin = line_top - bg_size - vpadding, - .ymax = line_top - vpadding, - }, - true, - 4 * UI_DPI_FAC, - col); - } - - if (icon) { - int vpadding = (tds->lheight + (tds->row_vpadding * 2) - UI_DPI_ICON_SIZE) / 2; - int hpadding = tds->draw_rect->xmin - (UI_DPI_ICON_SIZE * 1.3f); - - GPU_blend(GPU_BLEND_ALPHA); - UI_icon_draw_ex(hpadding, - line_top - UI_DPI_ICON_SIZE - vpadding, - icon, - (16 / UI_DPI_ICON_SIZE), - 1.0f, - 0.0f, - icon_fg, - false); - GPU_blend(GPU_BLEND_NONE); - } - - tds->xy[1] += tds->row_vpadding; - - /* Last part needs no clipping. */ - const int final_offset = offsets[tot_lines - 1]; - len = str_len - final_offset; - s = str + final_offset; - BLF_position(tds->font_id, tds->xy[0], tds->lofs + line_bottom + tds->row_vpadding, 0); - BLF_color4ubv(tds->font_id, fg); - BLF_draw_mono(tds->font_id, s, len, tds->cwidth); - - if (tds->sel[0] != tds->sel[1]) { - textview_step_sel(tds, -final_offset); - const int pos[2] = {tds->xy[0], line_bottom}; - textview_draw_sel(s, pos, len, tds, bg_sel); - } - - tds->xy[1] += tds->lheight; - - BLF_color4ubv(tds->font_id, fg); - - for (i = tot_lines - 1; i > 0; i--) { - len = offsets[i] - offsets[i - 1]; - s = str + offsets[i - 1]; - - BLF_position(tds->font_id, tds->xy[0], tds->lofs + tds->xy[1], 0); - BLF_draw_mono(tds->font_id, s, len, tds->cwidth); - - if (tds->sel[0] != tds->sel[1]) { - textview_step_sel(tds, len); - textview_draw_sel(s, tds->xy, len, tds, bg_sel); - } - - tds->xy[1] += tds->lheight; - - /* Check if we're out of view bounds. */ - if (tds->xy[1] > tds->scroll_ymax) { - MEM_freeN(offsets); - return false; - } - } - - tds->xy[1] = y_next; - - copy_v2_v2_int(tds->sel, sel_orig); - textview_step_sel(tds, -(str_len + 1)); - - MEM_freeN(offsets); - return true; -} - -/** - * \param r_mval_pick_item: The resulting item clicked on using \a mval_init. - * Set from the void pointer which holds the current iterator. - * Its type depends on the data being iterated over. - * \param r_mval_pick_offset: The offset in bytes of the \a mval_init. - * Use for selection. - */ -int textview_draw(TextViewContext *tvc, - const bool do_draw, - const int mval_init[2], - void **r_mval_pick_item, - int *r_mval_pick_offset) -{ - TextViewDrawState tds = {0}; - - const int x_orig = tvc->draw_rect.xmin, y_orig = tvc->draw_rect.ymin; - int xy[2]; - /* Disable selection by. */ - int sel[2] = {-1, -1}; - uchar fg[4], bg[4], icon_fg[4], icon_bg[4]; - int icon = 0; - const int font_id = blf_mono_font; - - textview_font_begin(font_id, tvc->lheight); - - xy[0] = x_orig; - xy[1] = y_orig; - - /* Offset and clamp the results, - * clamping so moving the cursor out of the bounds doesn't wrap onto the other lines. */ - const int mval[2] = { - (mval_init[0] == INT_MAX) ? - INT_MAX : - CLAMPIS(mval_init[0], tvc->draw_rect.xmin, tvc->draw_rect.xmax) - tvc->draw_rect.xmin, - (mval_init[1] == INT_MAX) ? - INT_MAX : - CLAMPIS(mval_init[1], tvc->draw_rect.ymin, tvc->draw_rect.ymax) + tvc->scroll_ymin, - }; - - if (r_mval_pick_offset != NULL) { - *r_mval_pick_offset = 0; - } - - /* Constants for the text-view context. */ - tds.font_id = font_id; - tds.cwidth = (int)BLF_fixed_width(font_id); - BLI_assert(tds.cwidth > 0); - tds.lheight = tvc->lheight; - tds.row_vpadding = tvc->row_vpadding; - tds.lofs = -BLF_descender(font_id); - /* Note, scroll bar must be already subtracted. */ - tds.columns = (tvc->draw_rect.xmax - tvc->draw_rect.xmin) / tds.cwidth; - /* Avoid divide by zero on small windows. */ - if (tds.columns < 1) { - tds.columns = 1; - } - tds.draw_rect = &tvc->draw_rect; - tds.draw_rect_outer = &tvc->draw_rect_outer; - tds.scroll_ymin = tvc->scroll_ymin; - tds.scroll_ymax = tvc->scroll_ymax; - tds.xy = xy; - tds.sel = sel; - tds.mval_pick_offset = r_mval_pick_offset; - tds.mval = mval; - tds.do_draw = do_draw; - - if (tvc->sel_start != tvc->sel_end) { - sel[0] = tvc->sel_start; - sel[1] = tvc->sel_end; - } - - if (tvc->begin(tvc)) { - uchar bg_sel[4] = {0}; - - if (do_draw && tvc->const_colors) { - tvc->const_colors(tvc, bg_sel); - } - - int iter_index = 0; - do { - const char *ext_line; - int ext_len; - int data_flag = 0; - - const int y_prev = xy[1]; - - if (do_draw) { - data_flag = tvc->line_data(tvc, fg, bg, &icon, icon_fg, icon_bg); - } - - tvc->line_get(tvc, &ext_line, &ext_len); - - const bool is_out_of_view_y = !textview_draw_string( - &tds, - ext_line, - ext_len, - (data_flag & TVC_LINE_FG) ? fg : NULL, - (data_flag & TVC_LINE_BG) ? bg : NULL, - (data_flag & TVC_LINE_ICON) ? icon : 0, - (data_flag & TVC_LINE_ICON_FG) ? icon_fg : NULL, - (data_flag & TVC_LINE_ICON_BG) ? icon_bg : NULL, - bg_sel); - - if (do_draw) { - /* We always want the cursor to draw. */ - if (tvc->draw_cursor && iter_index == 0) { - tvc->draw_cursor(tvc, tds.cwidth, tds.columns); - } - - /* When drawing, if we pass v2d->cur.ymax, then quit. */ - if (is_out_of_view_y) { - break; - } - } - - if ((mval[1] != INT_MAX) && (mval[1] >= y_prev && mval[1] <= xy[1])) { - *r_mval_pick_item = (void *)tvc->iter; - break; - } - - iter_index++; - - } while (tvc->step(tvc)); - } - - tvc->end(tvc); - - /* Sanity checks (bugs here can be tricky to track down). */ - BLI_assert(tds.lheight == tvc->lheight); - BLI_assert(tds.row_vpadding == tvc->row_vpadding); - BLI_assert(tds.do_draw == do_draw); - - xy[1] += tvc->lheight * 2; - - return xy[1] - y_orig; -} |