diff options
Diffstat (limited to 'source/blender/editors/space_info')
-rw-r--r-- | source/blender/editors/space_info/textview.c | 119 |
1 files changed, 83 insertions, 36 deletions
diff --git a/source/blender/editors/space_info/textview.c b/source/blender/editors/space_info/textview.c index 66f4904c340..58418f2befd 100644 --- a/source/blender/editors/space_info/textview.c +++ b/source/blender/editors/space_info/textview.c @@ -31,14 +31,19 @@ #include <limits.h> #include <assert.h> +#include "MEM_guardedalloc.h" + #include "BLF_api.h" #include "BLI_math.h" #include "BLI_utildefines.h" +#include "BLI_string_utf8.h" #include "BIF_gl.h" #include "BIF_glutil.h" +#include "BKE_text.h" + #include "ED_datafiles.h" #include "textview.h" @@ -68,12 +73,12 @@ BLI_INLINE void console_step_sel(ConsoleDrawContext *cdc, const int step) cdc->sel[1] += step; } -static void console_draw_sel(const int sel[2], const int xy[2], const int str_len_draw, int cwidth, int lheight, - const unsigned char bg_sel[4]) +static void console_draw_sel(const char *str, const int sel[2], const int xy[2], const int str_len_draw, + int cwidth, int lheight, const unsigned char bg_sel[4]) { if (sel[0] <= str_len_draw && sel[1] >= 0) { - const int sta = max_ii(sel[0], 0); - const int end = min_ii(sel[1], str_len_draw); + const int sta = txt_utf8_offset_to_column(str, max_ii(sel[0], 0)); + const int end = txt_utf8_offset_to_column(str, min_ii(sel[1], str_len_draw)); glEnable(GL_BLEND); glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA); @@ -85,38 +90,72 @@ static void console_draw_sel(const int sel[2], const int xy[2], const int str_le } } +/* warning: allocated memory for 'offsets' must be freed by caller */ +static int console_wrap_offsets(const char *str, int len, int width, int *lines, int **offsets) +{ + int i, end; /* column */ + int j; /* mem */ + + *lines = 1; + + *offsets = MEM_callocN(sizeof(**offsets) * (len * BLI_UTF8_WIDTH_MAX / MAX2(1, width - (BLI_UTF8_WIDTH_MAX - 1)) + 1), + "console_wrap_offsets"); + (*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) { + (*offsets)[*lines] = j; + (*lines)++; + + end = i + width; + } + i += columns; + } + return j; /* return actual length */ +} + /* 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, const char *str, const int str_len, +static int console_draw_string(ConsoleDrawContext *cdc, const char *str, int str_len, const unsigned char fg[3], const unsigned char bg[3], const unsigned char bg_sel[4]) { 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; + int tot_lines; /* total number of lines for wrapping */ + int *offsets; /* offsets of line beginnings for wrapping */ + int y_next; const int mono = blf_mono_font; + str_len = console_wrap_offsets(str, str_len, cdc->console_width, &tot_lines, &offsets); + y_next = cdc->xy[1] + cdc->lheight * tot_lines; + /* 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; + if (cdc->pos_pick && cdc->mval[1] != INT_MAX && cdc->xy[1] <= cdc->mval[1]) { + if (y_next >= cdc->mval[1]) { + int ofs = 0; + + /* wrap */ + if (tot_lines > 1) { + int iofs = (int)((float)(y_next - cdc->mval[1]) / cdc->lheight); + ofs += offsets[MIN2(iofs, tot_lines - 1)]; } - else - *cdc->pos_pick += str_len + 1; + + /* last part */ + ofs += txt_utf8_column_to_offset(str + ofs, + (int)floor((float)cdc->mval[0] / cdc->cwidth)); + + CLAMP(ofs, 0, str_len); + *cdc->pos_pick += str_len - ofs; } + else + *cdc->pos_pick += str_len + 1; } cdc->xy[1] = y_next; + MEM_freeN(offsets); return 1; } else if (y_next - cdc->lheight < cdc->ymin) { @@ -128,12 +167,15 @@ static int console_draw_string(ConsoleDrawContext *cdc, const char *str, const i console_step_sel(cdc, -(str_len + 1)); } + MEM_freeN(offsets); return 1; } if (tot_lines > 1) { /* wrap? */ - const int initial_offset = ((tot_lines - 1) * cdc->console_width); - const char *line_stride = str + initial_offset; /* advance to the last line and draw it first */ + const int initial_offset = offsets[tot_lines - 1]; + size_t len = str_len - initial_offset; + const char *s = str + initial_offset; + int i; int sel_orig[2]; copy_v2_v2_int(sel_orig, cdc->sel); @@ -151,36 +193,38 @@ static int console_draw_string(ConsoleDrawContext *cdc, const char *str, const i /* last part needs no clipping */ BLF_position(mono, cdc->xy[0], cdc->xy[1], 0); - BLF_draw(mono, line_stride, str_len - initial_offset); + BLF_draw_mono(mono, s, len, cdc->cwidth); if (cdc->sel[0] != cdc->sel[1]) { console_step_sel(cdc, -initial_offset); // glColor4ub(255, 0, 0, 96); // debug - console_draw_sel(cdc->sel, cdc->xy, str_len % cdc->console_width, cdc->cwidth, cdc->lheight, bg_sel); - console_step_sel(cdc, cdc->console_width); + console_draw_sel(s, cdc->sel, cdc->xy, len, cdc->cwidth, cdc->lheight, bg_sel); glColor3ubv(fg); } cdc->xy[1] += cdc->lheight; - line_stride -= cdc->console_width; - - for (; line_stride >= str; line_stride -= cdc->console_width) { + for (i = tot_lines - 1; i > 0; i--) { + len = offsets[i] - offsets[i - 1]; + s = str + offsets[i - 1]; + BLF_position(mono, cdc->xy[0], cdc->xy[1], 0); - BLF_draw(mono, line_stride, cdc->console_width); + BLF_draw_mono(mono, s, len, cdc->cwidth); if (cdc->sel[0] != cdc->sel[1]) { + console_step_sel(cdc, len); // glColor4ub(0, 255, 0, 96); // debug - console_draw_sel(cdc->sel, cdc->xy, cdc->console_width, cdc->cwidth, cdc->lheight, bg_sel); - console_step_sel(cdc, cdc->console_width); + console_draw_sel(s, cdc->sel, cdc->xy, len, cdc->cwidth, cdc->lheight, bg_sel); glColor3ubv(fg); } cdc->xy[1] += cdc->lheight; /* check if were out of view bounds */ - if (cdc->xy[1] > cdc->ymax) + if (cdc->xy[1] > cdc->ymax) { + MEM_freeN(offsets); return 0; + } } copy_v2_v2_int(cdc->sel, sel_orig); @@ -196,7 +240,7 @@ static int console_draw_string(ConsoleDrawContext *cdc, const char *str, const i glColor3ubv(fg); BLF_position(mono, cdc->xy[0], cdc->xy[1], 0); - BLF_draw(mono, str, str_len); + BLF_draw_mono(mono, str, str_len, cdc->cwidth); if (cdc->sel[0] != cdc->sel[1]) { int isel[2]; @@ -205,16 +249,19 @@ static int console_draw_string(ConsoleDrawContext *cdc, const char *str, const i isel[1] = str_len - cdc->sel[0]; // glColor4ub(255, 255, 0, 96); // debug - console_draw_sel(isel, cdc->xy, str_len, cdc->cwidth, cdc->lheight, bg_sel); + console_draw_sel(str, isel, cdc->xy, str_len, cdc->cwidth, cdc->lheight, bg_sel); console_step_sel(cdc, -(str_len + 1)); } cdc->xy[1] += cdc->lheight; - if (cdc->xy[1] > cdc->ymax) + if (cdc->xy[1] > cdc->ymax) { + MEM_freeN(offsets); return 0; + } } + MEM_freeN(offsets); return 1; } |