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58909abc685bf9ba33e8ed041ef7ff02f170bcdc
blender-archive/source/blender/editors/curve/editfont.c
Sybren A. Stüvel 33a74941c5 Cleanup: Editors, Clang-Tidy else-after-return fixes 
This addresses warnings from Clang-Tidy's `readability-else-after-return`
rule in the `source/blender/editors` module.

No functional changes.
2020-07-03 17:42:46 +02:00

2287 lines
52 KiB
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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) 2001-2002 by NaN Holding BV.
* All rights reserved.
*/
/** \file
* \ingroup edcurve
*/
#include <errno.h>
#include <fcntl.h>
#include <stdlib.h>
#include <string.h>
#include <wchar.h>
#include "MEM_guardedalloc.h"
#include "BLI_blenlib.h"
#include "BLI_math.h"
#include "BLI_string_cursor_utf8.h"
#include "BLI_utildefines.h"
#include "DNA_curve_types.h"
#include "DNA_object_types.h"
#include "DNA_scene_types.h"
#include "DNA_text_types.h"
#include "DNA_vfont_types.h"
#include "BKE_context.h"
#include "BKE_curve.h"
#include "BKE_font.h"
#include "BKE_lib_id.h"
#include "BKE_main.h"
#include "BKE_object.h"
#include "BKE_report.h"
#include "DEG_depsgraph.h"
#include "DEG_depsgraph_query.h"
#include "RNA_access.h"
#include "RNA_define.h"
#include "WM_api.h"
#include "WM_types.h"
#include "ED_curve.h"
#include "ED_object.h"
#include "ED_screen.h"
#include "ED_view3d.h"
#include "UI_interface.h"
#include "curve_intern.h"
#define MAXTEXT 32766
static int kill_selection(Object *obedit, int ins);
/** \} */
/* -------------------------------------------------------------------- */
/** \name Internal Utilities
* \{ */
static wchar_t findaccent(wchar_t char1, uint code)
{
wchar_t new = 0;
if (char1 == 'a') {
if (code == '`') {
new = 224;
}
else if (code == 39) {
new = 225;
}
else if (code == '^') {
new = 226;
}
else if (code == '~') {
new = 227;
}
else if (code == '"') {
new = 228;
}
else if (code == 'o') {
new = 229;
}
else if (code == 'e') {
new = 230;
}
else if (code == '-') {
new = 170;
}
}
else if (char1 == 'c') {
if (code == ',') {
new = 231;
}
else if (code == '|') {
new = 162;
}
else if (code == 'o') {
new = 169;
}
}
else if (char1 == 'e') {
if (code == '`') {
new = 232;
}
else if (code == 39) {
new = 233;
}
else if (code == '^') {
new = 234;
}
else if (code == '"') {
new = 235;
}
}
else if (char1 == 'i') {
if (code == '`') {
new = 236;
}
else if (code == 39) {
new = 237;
}
else if (code == '^') {
new = 238;
}
else if (code == '"') {
new = 239;
}
}
else if (char1 == 'n') {
if (code == '~') {
new = 241;
}
}
else if (char1 == 'o') {
if (code == '`') {
new = 242;
}
else if (code == 39) {
new = 243;
}
else if (code == '^') {
new = 244;
}
else if (code == '~') {
new = 245;
}
else if (code == '"') {
new = 246;
}
else if (code == '/') {
new = 248;
}
else if (code == '-') {
new = 186;
}
else if (code == 'e') {
new = 339;
}
else if (code == 'c') {
new = 169;
}
else if (code == 'r') {
new = 174;
}
}
else if (char1 == 'r') {
if (code == 'o') {
new = 174;
}
}
else if (char1 == 's') {
if (code == 's') {
new = 167;
}
}
else if (char1 == 't') {
if (code == 'm') {
new = 8482;
}
}
else if (char1 == 'u') {
if (code == '`') {
new = 249;
}
else if (code == 39) {
new = 250;
}
else if (code == '^') {
new = 251;
}
else if (code == '"') {
new = 252;
}
}
else if (char1 == 'y') {
if (code == 39) {
new = 253;
}
else if (code == '"') {
new = 255;
}
}
else if (char1 == 'A') {
if (code == '`') {
new = 192;
}
else if (code == 39) {
new = 193;
}
else if (code == '^') {
new = 194;
}
else if (code == '~') {
new = 195;
}
else if (code == '"') {
new = 196;
}
else if (code == 'o') {
new = 197;
}
else if (code == 'e') {
new = 198;
}
}
else if (char1 == 'C') {
if (code == ',') {
new = 199;
}
}
else if (char1 == 'E') {
if (code == '`') {
new = 200;
}
else if (code == 39) {
new = 201;
}
else if (code == '^') {
new = 202;
}
else if (code == '"') {
new = 203;
}
}
else if (char1 == 'I') {
if (code == '`') {
new = 204;
}
else if (code == 39) {
new = 205;
}
else if (code == '^') {
new = 206;
}
else if (code == '"') {
new = 207;
}
}
else if (char1 == 'N') {
if (code == '~') {
new = 209;
}
}
else if (char1 == 'O') {
if (code == '`') {
new = 210;
}
else if (code == 39) {
new = 211;
}
else if (code == '^') {
new = 212;
}
else if (code == '~') {
new = 213;
}
else if (code == '"') {
new = 214;
}
else if (code == '/') {
new = 216;
}
else if (code == 'e') {
new = 141;
}
}
else if (char1 == 'U') {
if (code == '`') {
new = 217;
}
else if (code == 39) {
new = 218;
}
else if (code == '^') {
new = 219;
}
else if (code == '"') {
new = 220;
}
}
else if (char1 == 'Y') {
if (code == 39) {
new = 221;
}
}
else if (char1 == '1') {
if (code == '4') {
new = 188;
}
if (code == '2') {
new = 189;
}
}
else if (char1 == '3') {
if (code == '4') {
new = 190;
}
}
else if (char1 == ':') {
if (code == '-') {
new = 247;
}
}
else if (char1 == '-') {
if (code == ':') {
new = 247;
}
if (code == '|') {
new = 8224;
}
if (code == '+') {
new = 177;
}
}
else if (char1 == '|') {
if (code == '-') {
new = 8224;
}
if (code == '=') {
new = 8225;
}
}
else if (char1 == '=') {
if (code == '|') {
new = 8225;
}
}
else if (char1 == '+') {
if (code == '-') {
new = 177;
}
}
if (new) {
return new;
}
return char1;
}
static int insert_into_textbuf(Object *obedit, uintptr_t c)
{
Curve *cu = obedit->data;
EditFont *ef = cu->editfont;
if (ef->len < MAXTEXT - 1) {
int x;
for (x = ef->len; x > ef->pos; x--) {
ef->textbuf[x] = ef->textbuf[x - 1];
}
for (x = ef->len; x > ef->pos; x--) {
ef->textbufinfo[x] = ef->textbufinfo[x - 1];
}
ef->textbuf[ef->pos] = c;
ef->textbufinfo[ef->pos] = cu->curinfo;
ef->textbufinfo[ef->pos].kern = 0;
ef->textbufinfo[ef->pos].mat_nr = obedit->actcol;
ef->pos++;
ef->len++;
ef->textbuf[ef->len] = '\0';
return 1;
}
return 0;
}
static void text_update_edited(bContext *C, Object *obedit, int mode)
{
Curve *cu = obedit->data;
EditFont *ef = cu->editfont;
BLI_assert(ef->len >= 0);
/* run update first since it can move the cursor */
if (mode == FO_EDIT) {
/* re-tesselllate */
DEG_id_tag_update(obedit->data, 0);
}
else {
/* depsgraph runs above, but since we're not tagging for update, call direct */
/* We need evaluated data here. */
Depsgraph *depsgraph = CTX_data_ensure_evaluated_depsgraph(C);
BKE_vfont_to_curve(DEG_get_evaluated_object(depsgraph, obedit), mode);
}
cu->curinfo = ef->textbufinfo[ef->pos ? ef->pos - 1 : 0];
if (obedit->totcol > 0) {
obedit->actcol = cu->curinfo.mat_nr;
/* since this array is calloc'd, it can be 0 even though we try ensure
* (mat_nr > 0) almost everywhere */
if (obedit->actcol < 1) {
obedit->actcol = 1;
}
}
DEG_id_tag_update(obedit->data, ID_RECALC_SELECT);
WM_event_add_notifier(C, NC_GEOM | ND_DATA, obedit->data);
}
static int kill_selection(Object *obedit, int ins) /* 1 == new character */
{
Curve *cu = obedit->data;
EditFont *ef = cu->editfont;
int selend, selstart, direction;
int offset = 0;
int getfrom;
direction = BKE_vfont_select_get(obedit, &selstart, &selend);
if (direction) {
int size;
if (ins) {
offset = 1;
}
if (ef->pos >= selstart) {
ef->pos = selstart + offset;
}
if ((direction == -1) && ins) {
selstart++;
selend++;
}
getfrom = selend + offset;
if (ins == 0) {
getfrom++;
}
size = (ef->len * sizeof(*ef->textbuf)) - (selstart * sizeof(*ef->textbuf)) +
(offset * sizeof(*ef->textbuf));
memmove(ef->textbuf + selstart, ef->textbuf + getfrom, size);
memmove(ef->textbufinfo + selstart,
ef->textbufinfo + getfrom,
((ef->len - selstart) + offset) * sizeof(CharInfo));
ef->len -= ((selend - selstart) + 1);
ef->selstart = ef->selend = 0;
}
return (direction);
}
/** \} */
/* -------------------------------------------------------------------- */
/** \name Generic Paste Functions
* \{ */
/* text_update_edited(C, scene, obedit, 1, FO_EDIT); */
static bool font_paste_wchar(Object *obedit,
const char32_t *str,
const size_t str_len,
/* optional */
struct CharInfo *str_info)
{
Curve *cu = obedit->data;
EditFont *ef = cu->editfont;
int selend, selstart;
if (BKE_vfont_select_get(obedit, &selstart, &selend) == 0) {
selstart = selend = 0;
}
/* Verify that the copy buffer => [copy buffer len] + ef->len < MAXTEXT */
if ((ef->len + str_len) - (selend - selstart) <= MAXTEXT) {
kill_selection(obedit, 0);
if (str_len) {
int size = (ef->len * sizeof(*ef->textbuf)) - (ef->pos * sizeof(*ef->textbuf)) +
sizeof(*ef->textbuf);
memmove(ef->textbuf + ef->pos + str_len, ef->textbuf + ef->pos, size);
memcpy(ef->textbuf + ef->pos, str, str_len * sizeof(*ef->textbuf));
memmove(ef->textbufinfo + ef->pos + str_len,
ef->textbufinfo + ef->pos,
(ef->len - ef->pos + 1) * sizeof(CharInfo));
if (str_info) {
memcpy(ef->textbufinfo + ef->pos, str_info, str_len * sizeof(CharInfo));
}
else {
memset(ef->textbufinfo + ef->pos, '\0', str_len * sizeof(CharInfo));
}
ef->len += str_len;
ef->pos += str_len;
}
return true;
}
return false;
}
static bool font_paste_utf8(bContext *C, const char *str, const size_t str_len)
{
Object *obedit = CTX_data_edit_object(C);
bool retval;
int tmplen;
char32_t *mem = MEM_mallocN((sizeof(*mem) * (str_len + 1)), __func__);
tmplen = BLI_str_utf8_as_utf32(mem, str, str_len + 1);
retval = font_paste_wchar(obedit, mem, tmplen, NULL);
MEM_freeN(mem);
return retval;
}
/** \} */
/* -------------------------------------------------------------------- */
/** \name Paste From File Operator
* \{ */
static int paste_from_file(bContext *C, ReportList *reports, const char *filename)
{
Object *obedit = CTX_data_edit_object(C);
char *strp;
size_t filelen;
int retval;
strp = BLI_file_read_text_as_mem(filename, 1, &filelen);
if (strp == NULL) {
BKE_reportf(reports, RPT_ERROR, "Failed to open file '%s'", filename);
return OPERATOR_CANCELLED;
}
strp[filelen] = 0;
if (font_paste_utf8(C, strp, filelen)) {
text_update_edited(C, obedit, FO_EDIT);
retval = OPERATOR_FINISHED;
}
else {
BKE_reportf(reports, RPT_ERROR, "File too long %s", filename);
retval = OPERATOR_CANCELLED;
}
MEM_freeN(strp);
return retval;
}
static int paste_from_file_exec(bContext *C, wmOperator *op)
{
char *path;
int retval;
path = RNA_string_get_alloc(op->ptr, "filepath", NULL, 0);
retval = paste_from_file(C, op->reports, path);
MEM_freeN(path);
return retval;
}
static int paste_from_file_invoke(bContext *C, wmOperator *op, const wmEvent *UNUSED(event))
{
if (RNA_struct_property_is_set(op->ptr, "filepath")) {
return paste_from_file_exec(C, op);
}
WM_event_add_fileselect(C, op);
return OPERATOR_RUNNING_MODAL;
}
void FONT_OT_text_paste_from_file(wmOperatorType *ot)
{
/* identifiers */
ot->name = "Paste File";
ot->description = "Paste contents from file";
ot->idname = "FONT_OT_text_paste_from_file";
/* api callbacks */
ot->exec = paste_from_file_exec;
ot->invoke = paste_from_file_invoke;
ot->poll = ED_operator_editfont;
/* flags */
ot->flag = OPTYPE_REGISTER | OPTYPE_UNDO;
/* properties */
WM_operator_properties_filesel(ot,
FILE_TYPE_FOLDER | FILE_TYPE_TEXT,
FILE_SPECIAL,
FILE_OPENFILE,
WM_FILESEL_FILEPATH,
FILE_DEFAULTDISPLAY,
FILE_SORT_ALPHA);
}
/** \} */
/* -------------------------------------------------------------------- */
/** \name Text To Object
* \{ */
static void txt_add_object(bContext *C, TextLine *firstline, int totline, const float offset[3])
{
Main *bmain = CTX_data_main(C);
Depsgraph *depsgraph = CTX_data_ensure_evaluated_depsgraph(C);
Scene *scene = CTX_data_scene(C);
ViewLayer *view_layer = CTX_data_view_layer(C);
Curve *cu;
Object *obedit;
Base *base;
struct TextLine *tmp;
int nchars = 0, nbytes = 0;
char *s;
int a;
float rot[3] = {0.f, 0.f, 0.f};
obedit = BKE_object_add(bmain, scene, view_layer, OB_FONT, NULL);
base = view_layer->basact;
/* seems to assume view align ? TODO - look into this, could be an operator option */
ED_object_base_init_transform_on_add(base->object, NULL, rot);
BKE_object_where_is_calc(depsgraph, scene, obedit);
add_v3_v3(obedit->loc, offset);
cu = obedit->data;
cu->vfont = BKE_vfont_builtin_get();
id_us_plus(&cu->vfont->id);
for (tmp = firstline, a = 0; nbytes < MAXTEXT && a < totline; tmp = tmp->next, a++) {
size_t nchars_line, nbytes_line;
nchars_line = BLI_strlen_utf8_ex(tmp->line, &nbytes_line);
nchars += nchars_line + 1;
nbytes += nbytes_line + 1;
}
if (cu->str) {
MEM_freeN(cu->str);
}
if (cu->strinfo) {
MEM_freeN(cu->strinfo);
}
cu->str = MEM_mallocN(nbytes + 4, "str");
cu->strinfo = MEM_callocN((nchars + 4) * sizeof(CharInfo), "strinfo");
cu->len = 0;
cu->len_wchar = nchars - 1;
cu->pos = 0;
s = cu->str;
for (tmp = firstline, a = 0; cu->len < MAXTEXT && a < totline; tmp = tmp->next, a++) {
size_t nbytes_line;
nbytes_line = BLI_strcpy_rlen(s, tmp->line);
s += nbytes_line;
cu->len += nbytes_line;
if (tmp->next) {
nbytes_line = BLI_strcpy_rlen(s, "\n");
s += nbytes_line;
cu->len += nbytes_line;
}
}
cu->pos = cu->len_wchar;
*s = '\0';
WM_event_add_notifier(C, NC_OBJECT | NA_ADDED, obedit);
}
void ED_text_to_object(bContext *C, Text *text, const bool split_lines)
{
RegionView3D *rv3d = CTX_wm_region_view3d(C);
TextLine *line;
float offset[3];
int linenum = 0;
if (!text || !text->lines.first) {
return;
}
if (split_lines) {
for (line = text->lines.first; line; line = line->next) {
/* skip lines with no text, but still make space for them */
if (line->line[0] == '\0') {
linenum++;
continue;
}
/* do the translation */
offset[0] = 0;
offset[1] = -linenum;
offset[2] = 0;
if (rv3d) {
mul_mat3_m4_v3(rv3d->viewinv, offset);
}
txt_add_object(C, line, 1, offset);
linenum++;
}
}
else {
offset[0] = 0.0f;
offset[1] = 0.0f;
offset[2] = 0.0f;
txt_add_object(C, text->lines.first, BLI_listbase_count(&text->lines), offset);
}
}
/** \} */
/* -------------------------------------------------------------------- */
/** \name Set Style Operator
* \{ */
static const EnumPropertyItem style_items[] = {
{CU_CHINFO_BOLD, "BOLD", 0, "Bold", ""},
{CU_CHINFO_ITALIC, "ITALIC", 0, "Italic", ""},
{CU_CHINFO_UNDERLINE, "UNDERLINE", 0, "Underline", ""},
{CU_CHINFO_SMALLCAPS, "SMALL_CAPS", 0, "Small Caps", ""},
{0, NULL, 0, NULL, NULL},
};
static int set_style(bContext *C, const int style, const bool clear)
{
Object *obedit = CTX_data_edit_object(C);
Curve *cu = obedit->data;
EditFont *ef = cu->editfont;
int i, selstart, selend;
if (!BKE_vfont_select_get(obedit, &selstart, &selend)) {
return OPERATOR_CANCELLED;
}
for (i = selstart; i <= selend; i++) {
if (clear) {
ef->textbufinfo[i].flag &= ~style;
}
else {
ef->textbufinfo[i].flag |= style;
}
}
DEG_id_tag_update(obedit->data, 0);
WM_event_add_notifier(C, NC_GEOM | ND_DATA, obedit->data);
return OPERATOR_FINISHED;
}
static int set_style_exec(bContext *C, wmOperator *op)
{
const int style = RNA_enum_get(op->ptr, "style");
const bool clear = RNA_boolean_get(op->ptr, "clear");
return set_style(C, style, clear);
}
void FONT_OT_style_set(wmOperatorType *ot)
{
/* identifiers */
ot->name = "Set Style";
ot->description = "Set font style";
ot->idname = "FONT_OT_style_set";
/* api callbacks */
ot->exec = set_style_exec;
ot->poll = ED_operator_editfont;
/* flags */
ot->flag = OPTYPE_REGISTER | OPTYPE_UNDO;
/* properties */
RNA_def_enum(
ot->srna, "style", style_items, CU_CHINFO_BOLD, "Style", "Style to set selection to");
RNA_def_boolean(ot->srna, "clear", 0, "Clear", "Clear style rather than setting it");
}
/** \} */
/* -------------------------------------------------------------------- */
/** \name Toggle Style Operator
* \{ */
static int toggle_style_exec(bContext *C, wmOperator *op)
{
Object *obedit = CTX_data_edit_object(C);
Curve *cu = obedit->data;
int style, clear, selstart, selend;
if (!BKE_vfont_select_get(obedit, &selstart, &selend)) {
return OPERATOR_CANCELLED;
}
style = RNA_enum_get(op->ptr, "style");
cu->curinfo.flag ^= style;
clear = (cu->curinfo.flag & style) == 0;
return set_style(C, style, clear);
}
void FONT_OT_style_toggle(wmOperatorType *ot)
{
/* identifiers */
ot->name = "Toggle Style";
ot->description = "Toggle font style";
ot->idname = "FONT_OT_style_toggle";
/* api callbacks */
ot->exec = toggle_style_exec;
ot->poll = ED_operator_editfont;
/* flags */
ot->flag = OPTYPE_REGISTER | OPTYPE_UNDO;
/* properties */
RNA_def_enum(
ot->srna, "style", style_items, CU_CHINFO_BOLD, "Style", "Style to set selection to");
}
/** \} */
/* -------------------------------------------------------------------- */
/** \name Select All Operator
* \{ */
static int font_select_all_exec(bContext *C, wmOperator *UNUSED(op))
{
Object *obedit = CTX_data_edit_object(C);
Curve *cu = obedit->data;
EditFont *ef = cu->editfont;
if (ef->len) {
ef->selstart = 1;
ef->selend = ef->len;
ef->pos = ef->len;
text_update_edited(C, obedit, FO_SELCHANGE);
return OPERATOR_FINISHED;
}
return OPERATOR_CANCELLED;
}
void FONT_OT_select_all(wmOperatorType *ot)
{
/* identifiers */
ot->name = "Select All";
ot->description = "Select all text";
ot->idname = "FONT_OT_select_all";
/* api callbacks */
ot->exec = font_select_all_exec;
ot->poll = ED_operator_editfont;
/* flags */
ot->flag = OPTYPE_REGISTER | OPTYPE_UNDO;
}
/** \} */
/* -------------------------------------------------------------------- */
/** \name Copy Text Operator
* \{ */
static void copy_selection(Object *obedit)
{
int selstart, selend;
if (BKE_vfont_select_get(obedit, &selstart, &selend)) {
Curve *cu = obedit->data;
EditFont *ef = cu->editfont;
char *buf = NULL;
char32_t *text_buf;
size_t len_utf8;
/* internal clipboard (for style) */
BKE_vfont_clipboard_set(
ef->textbuf + selstart, ef->textbufinfo + selstart, selend - selstart + 1);
BKE_vfont_clipboard_get(&text_buf, NULL, &len_utf8, NULL);
/* system clipboard */
buf = MEM_mallocN(len_utf8 + 1, __func__);
if (buf) {
BLI_str_utf32_as_utf8(buf, text_buf, len_utf8 + 1);
WM_clipboard_text_set(buf, false);
MEM_freeN(buf);
}
}
}
static int copy_text_exec(bContext *C, wmOperator *UNUSED(op))
{
Object *obedit = CTX_data_edit_object(C);
copy_selection(obedit);
return OPERATOR_FINISHED;
}
void FONT_OT_text_copy(wmOperatorType *ot)
{
/* identifiers */
ot->name = "Copy Text";
ot->description = "Copy selected text to clipboard";
ot->idname = "FONT_OT_text_copy";
/* api callbacks */
ot->exec = copy_text_exec;
ot->poll = ED_operator_editfont;
}
/** \} */
/* -------------------------------------------------------------------- */
/** \name Cut Text Operator
* \{ */
static int cut_text_exec(bContext *C, wmOperator *UNUSED(op))
{
Object *obedit = CTX_data_edit_object(C);
int selstart, selend;
if (!BKE_vfont_select_get(obedit, &selstart, &selend)) {
return OPERATOR_CANCELLED;
}
copy_selection(obedit);
kill_selection(obedit, 0);
text_update_edited(C, obedit, FO_EDIT);
return OPERATOR_FINISHED;
}
void FONT_OT_text_cut(wmOperatorType *ot)
{
/* identifiers */
ot->name = "Cut Text";
ot->description = "Cut selected text to clipboard";
ot->idname = "FONT_OT_text_cut";
/* api callbacks */
ot->exec = cut_text_exec;
ot->poll = ED_operator_editfont;
/* flags */
ot->flag = OPTYPE_REGISTER | OPTYPE_UNDO;
}
/** \} */
/* -------------------------------------------------------------------- */
/** \name Paste Text Operator
* \{ */
static bool paste_selection(Object *obedit, ReportList *reports)
{
char32_t *text_buf;
CharInfo *info_buf;
size_t len;
BKE_vfont_clipboard_get(&text_buf, &info_buf, NULL, &len);
if (font_paste_wchar(obedit, text_buf, len, info_buf)) {
return true;
}
BKE_report(reports, RPT_WARNING, "Text too long");
return false;
}
static int paste_text_exec(bContext *C, wmOperator *op)
{
Object *obedit = CTX_data_edit_object(C);
int retval;
size_t len_utf8;
char32_t *text_buf;
/* Store both clipboards as utf8 for comparison,
* Give priority to the internal 'vfont' clipboard with its 'CharInfo' text styles
* as long as its synchronized with the systems clipboard. */
struct {
char *buf;
int len;
} clipboard_system = {NULL}, clipboard_vfont = {NULL};
clipboard_system.buf = WM_clipboard_text_get(false, &clipboard_system.len);
if (clipboard_system.buf == NULL) {
return OPERATOR_CANCELLED;
}
BKE_vfont_clipboard_get(&text_buf, NULL, &len_utf8, NULL);
if (text_buf) {
clipboard_vfont.buf = MEM_mallocN(len_utf8 + 1, __func__);
if (clipboard_vfont.buf == NULL) {
MEM_freeN(clipboard_system.buf);
return OPERATOR_CANCELLED;
}
BLI_str_utf32_as_utf8(clipboard_vfont.buf, text_buf, len_utf8 + 1);
}
if (clipboard_vfont.buf && STREQ(clipboard_vfont.buf, clipboard_system.buf)) {
retval = paste_selection(obedit, op->reports) ? OPERATOR_FINISHED : OPERATOR_CANCELLED;
}
else {
if ((clipboard_system.len <= MAXTEXT) &&
font_paste_utf8(C, clipboard_system.buf, clipboard_system.len)) {
text_update_edited(C, obedit, FO_EDIT);
retval = OPERATOR_FINISHED;
}
else {
BKE_report(op->reports, RPT_ERROR, "Clipboard too long");
retval = OPERATOR_CANCELLED;
}
/* free the existent clipboard buffer */
BKE_vfont_clipboard_free();
}
if (retval != OPERATOR_CANCELLED) {
text_update_edited(C, obedit, FO_EDIT);
}
/* cleanup */
if (clipboard_vfont.buf) {
MEM_freeN(clipboard_vfont.buf);
}
MEM_freeN(clipboard_system.buf);
return retval;
}
void FONT_OT_text_paste(wmOperatorType *ot)
{
/* identifiers */
ot->name = "Paste Text";
ot->description = "Paste text from clipboard";
ot->idname = "FONT_OT_text_paste";
/* api callbacks */
ot->exec = paste_text_exec;
ot->poll = ED_operator_editfont;
/* flags */
ot->flag = OPTYPE_REGISTER | OPTYPE_UNDO;
}
/** \} */
/* -------------------------------------------------------------------- */
/** \name Move Operator
* \{ */
static const EnumPropertyItem move_type_items[] = {
{LINE_BEGIN, "LINE_BEGIN", 0, "Line Begin", ""},
{LINE_END, "LINE_END", 0, "Line End", ""},
{PREV_CHAR, "PREVIOUS_CHARACTER", 0, "Previous Character", ""},
{NEXT_CHAR, "NEXT_CHARACTER", 0, "Next Character", ""},
{PREV_WORD, "PREVIOUS_WORD", 0, "Previous Word", ""},
{NEXT_WORD, "NEXT_WORD", 0, "Next Word", ""},
{PREV_LINE, "PREVIOUS_LINE", 0, "Previous Line", ""},
{NEXT_LINE, "NEXT_LINE", 0, "Next Line", ""},
{PREV_PAGE, "PREVIOUS_PAGE", 0, "Previous Page", ""},
{NEXT_PAGE, "NEXT_PAGE", 0, "Next Page", ""},
{0, NULL, 0, NULL, NULL},
};
static int move_cursor(bContext *C, int type, const bool select)
{
Depsgraph *depsgraph = CTX_data_ensure_evaluated_depsgraph(C);
Object *obedit = CTX_data_edit_object(C);
Curve *cu = obedit->data;
EditFont *ef = cu->editfont;
int cursmove = -1;
if ((select) && (ef->selstart == 0)) {
ef->selstart = ef->selend = ef->pos + 1;
}
switch (type) {
case LINE_BEGIN:
while (ef->pos > 0) {
if (ef->textbuf[ef->pos - 1] == '\n') {
break;
}
if (ef->textbufinfo[ef->pos - 1].flag & CU_CHINFO_WRAP) {
break;
}
ef->pos--;
}
cursmove = FO_CURS;
break;
case LINE_END:
while (ef->pos < ef->len) {
if (ef->textbuf[ef->pos] == 0) {
break;
}
if (ef->textbuf[ef->pos] == '\n') {
break;
}
if (ef->textbufinfo[ef->pos].flag & CU_CHINFO_WRAP) {
break;
}
ef->pos++;
}
cursmove = FO_CURS;
break;
case PREV_WORD: {
int pos = ef->pos;
BLI_str_cursor_step_utf32(
ef->textbuf, ef->len, &pos, STRCUR_DIR_PREV, STRCUR_JUMP_DELIM, true);
ef->pos = pos;
cursmove = FO_CURS;
break;
}
case NEXT_WORD: {
int pos = ef->pos;
BLI_str_cursor_step_utf32(
ef->textbuf, ef->len, &pos, STRCUR_DIR_NEXT, STRCUR_JUMP_DELIM, true);
ef->pos = pos;
cursmove = FO_CURS;
break;
}
case PREV_CHAR:
ef->pos--;
cursmove = FO_CURS;
break;
case NEXT_CHAR:
ef->pos++;
cursmove = FO_CURS;
break;
case PREV_LINE:
cursmove = FO_CURSUP;
break;
case NEXT_LINE:
cursmove = FO_CURSDOWN;
break;
case PREV_PAGE:
cursmove = FO_PAGEUP;
break;
case NEXT_PAGE:
cursmove = FO_PAGEDOWN;
break;
}
if (cursmove == -1) {
return OPERATOR_CANCELLED;
}
if (ef->pos > ef->len) {
ef->pos = ef->len;
}
else if (ef->pos >= MAXTEXT) {
ef->pos = MAXTEXT;
}
else if (ef->pos < 0) {
ef->pos = 0;
}
/* apply vertical cursor motion to position immediately
* otherwise the selection will lag behind */
if (FO_CURS_IS_MOTION(cursmove)) {
BKE_vfont_to_curve(DEG_get_evaluated_object(depsgraph, obedit), cursmove);
cursmove = FO_CURS;
}
if (select == 0) {
if (ef->selstart) {
ef->selstart = ef->selend = 0;
BKE_vfont_to_curve(DEG_get_evaluated_object(depsgraph, obedit), FO_SELCHANGE);
}
}
if (select) {
ef->selend = ef->pos;
}
text_update_edited(C, obedit, cursmove);
return OPERATOR_FINISHED;
}
static int move_exec(bContext *C, wmOperator *op)
{
int type = RNA_enum_get(op->ptr, "type");
return move_cursor(C, type, false);
}
void FONT_OT_move(wmOperatorType *ot)
{
/* identifiers */
ot->name = "Move Cursor";
ot->description = "Move cursor to position type";
ot->idname = "FONT_OT_move";
/* api callbacks */
ot->exec = move_exec;
ot->poll = ED_operator_editfont;
/* flags */
ot->flag = OPTYPE_REGISTER | OPTYPE_UNDO;
/* properties */
RNA_def_enum(ot->srna, "type", move_type_items, LINE_BEGIN, "Type", "Where to move cursor to");
}
/** \} */
/* -------------------------------------------------------------------- */
/** \name Move Select Operator
* \{ */
static int move_select_exec(bContext *C, wmOperator *op)
{
int type = RNA_enum_get(op->ptr, "type");
return move_cursor(C, type, true);
}
void FONT_OT_move_select(wmOperatorType *ot)
{
/* identifiers */
ot->name = "Move Select";
ot->description = "Move the cursor while selecting";
ot->idname = "FONT_OT_move_select";
/* api callbacks */
ot->exec = move_select_exec;
ot->poll = ED_operator_editfont;
/* flags */
ot->flag = OPTYPE_REGISTER | OPTYPE_UNDO;
/* properties */
RNA_def_enum(ot->srna,
"type",
move_type_items,
LINE_BEGIN,
"Type",
"Where to move cursor to, to make a selection");
}
/** \} */
/* -------------------------------------------------------------------- */
/** \name Change Spacing
* \{ */
static int change_spacing_exec(bContext *C, wmOperator *op)
{
Object *obedit = CTX_data_edit_object(C);
Curve *cu = obedit->data;
EditFont *ef = cu->editfont;
int kern, delta = RNA_int_get(op->ptr, "delta");
int selstart, selend;
bool changed = false;
const bool has_select = BKE_vfont_select_get(obedit, &selstart, &selend);
if (has_select) {
selstart -= 1;
}
else {
selstart = selend = ef->pos - 1;
}
selstart = max_ii(0, selstart);
for (int i = selstart; i <= selend; i++) {
kern = ef->textbufinfo[i].kern + delta;
CLAMP(kern, -20, 20);
if (ef->textbufinfo[i].kern != kern) {
ef->textbufinfo[i].kern = kern;
changed = true;
}
}
if (changed) {
text_update_edited(C, obedit, FO_EDIT);
return OPERATOR_FINISHED;
}
return OPERATOR_CANCELLED;
}
void FONT_OT_change_spacing(wmOperatorType *ot)
{
/* identifiers */
ot->name = "Change Spacing";
ot->description = "Change font spacing";
ot->idname = "FONT_OT_change_spacing";
/* api callbacks */
ot->exec = change_spacing_exec;
ot->poll = ED_operator_editfont;
/* flags */
ot->flag = OPTYPE_REGISTER | OPTYPE_UNDO;
/* properties */
RNA_def_int(ot->srna,
"delta",
1,
-20,
20,
"Delta",
"Amount to decrease or increase character spacing with",
-20,
20);
}
/** \} */
/* -------------------------------------------------------------------- */
/** \name Change Character
* \{ */
static int change_character_exec(bContext *C, wmOperator *op)
{
Object *obedit = CTX_data_edit_object(C);
Curve *cu = obedit->data;
EditFont *ef = cu->editfont;
int character, delta = RNA_int_get(op->ptr, "delta");
if (ef->pos <= 0) {
return OPERATOR_CANCELLED;
}
character = ef->textbuf[ef->pos - 1];
character += delta;
CLAMP(character, 0, 255);
if (character == ef->textbuf[ef->pos - 1]) {
return OPERATOR_CANCELLED;
}
ef->textbuf[ef->pos - 1] = character;
text_update_edited(C, obedit, FO_EDIT);
return OPERATOR_FINISHED;
}
void FONT_OT_change_character(wmOperatorType *ot)
{
/* identifiers */
ot->name = "Change Character";
ot->description = "Change font character code";
ot->idname = "FONT_OT_change_character";
/* api callbacks */
ot->exec = change_character_exec;
ot->poll = ED_operator_editfont;
/* flags */
ot->flag = OPTYPE_REGISTER | OPTYPE_UNDO;
/* properties */
RNA_def_int(ot->srna,
"delta",
1,
-255,
255,
"Delta",
"Number to increase or decrease character code with",
-255,
255);
}
/** \} */
/* -------------------------------------------------------------------- */
/** \name Line Break Operator
* \{ */
static int line_break_exec(bContext *C, wmOperator *UNUSED(op))
{
Object *obedit = CTX_data_edit_object(C);
Curve *cu = obedit->data;
EditFont *ef = cu->editfont;
insert_into_textbuf(obedit, '\n');
ef->selstart = ef->selend = 0;
text_update_edited(C, obedit, FO_EDIT);
return OPERATOR_FINISHED;
}
void FONT_OT_line_break(wmOperatorType *ot)
{
/* identifiers */
ot->name = "Line Break";
ot->description = "Insert line break at cursor position";
ot->idname = "FONT_OT_line_break";
/* api callbacks */
ot->exec = line_break_exec;
ot->poll = ED_operator_editfont;
/* flags */
ot->flag = OPTYPE_REGISTER | OPTYPE_UNDO;
}
/** \} */
/* -------------------------------------------------------------------- */
/** \name Delete Operator
* \{ */
static const EnumPropertyItem delete_type_items[] = {
{DEL_NEXT_CHAR, "NEXT_CHARACTER", 0, "Next Character", ""},
{DEL_PREV_CHAR, "PREVIOUS_CHARACTER", 0, "Previous Character", ""},
{DEL_NEXT_WORD, "NEXT_WORD", 0, "Next Word", ""},
{DEL_PREV_WORD, "PREVIOUS_WORD", 0, "Previous Word", ""},
{DEL_SELECTION, "SELECTION", 0, "Selection", ""},
{DEL_NEXT_SEL, "NEXT_OR_SELECTION", 0, "Next or Selection", ""},
{DEL_PREV_SEL, "PREVIOUS_OR_SELECTION", 0, "Previous or Selection", ""},
{0, NULL, 0, NULL, NULL},
};
static int delete_exec(bContext *C, wmOperator *op)
{
Object *obedit = CTX_data_edit_object(C);
Curve *cu = obedit->data;
EditFont *ef = cu->editfont;
int selstart, selend, type = RNA_enum_get(op->ptr, "type");
int range[2] = {0, 0};
bool has_select = false;
if (ef->len == 0) {
return OPERATOR_CANCELLED;
}
if (BKE_vfont_select_get(obedit, &selstart, &selend)) {
if (type == DEL_NEXT_SEL) {
type = DEL_SELECTION;
}
else if (type == DEL_PREV_SEL) {
type = DEL_SELECTION;
}
has_select = true;
}
else {
if (type == DEL_NEXT_SEL) {
type = DEL_NEXT_CHAR;
}
else if (type == DEL_PREV_SEL) {
type = DEL_PREV_CHAR;
}
}
switch (type) {
case DEL_SELECTION:
if (!kill_selection(obedit, 0)) {
return OPERATOR_CANCELLED;
}
break;
case DEL_PREV_CHAR:
if (ef->pos <= 0) {
return OPERATOR_CANCELLED;
}
range[0] = ef->pos - 1;
range[1] = ef->pos;
ef->pos--;
break;
case DEL_NEXT_CHAR:
if (ef->pos >= ef->len) {
return OPERATOR_CANCELLED;
}
range[0] = ef->pos;
range[1] = ef->pos + 1;
break;
case DEL_NEXT_WORD: {
int pos = ef->pos;
BLI_str_cursor_step_utf32(
ef->textbuf, ef->len, &pos, STRCUR_DIR_NEXT, STRCUR_JUMP_DELIM, true);
range[0] = ef->pos;
range[1] = pos;
break;
}
case DEL_PREV_WORD: {
int pos = ef->pos;
BLI_str_cursor_step_utf32(
ef->textbuf, ef->len, &pos, STRCUR_DIR_PREV, STRCUR_JUMP_DELIM, true);
range[0] = pos;
range[1] = ef->pos;
ef->pos = pos;
break;
}
default:
return OPERATOR_CANCELLED;
}
if (range[0] != range[1]) {
BLI_assert(range[0] < range[1]);
int len_remove = range[1] - range[0];
int len_tail = ef->len - range[1];
if (has_select) {
for (int i = 0; i < 2; i++) {
int *sel = i ? &ef->selend : &ef->selstart;
if (*sel <= range[0]) {
/* pass */
}
else if (*sel >= range[1]) {
*sel -= len_remove;
}
else if (*sel < range[1]) {
/* pass */
*sel = range[0];
}
}
}
memmove(&ef->textbuf[range[0]], &ef->textbuf[range[1]], sizeof(*ef->textbuf) * len_tail);
memmove(&ef->textbufinfo[range[0]],
&ef->textbufinfo[range[1]],
sizeof(*ef->textbufinfo) * len_tail);
ef->len -= len_remove;
ef->textbuf[ef->len] = '\0';
BKE_vfont_select_clamp(obedit);
}
text_update_edited(C, obedit, FO_EDIT);
return OPERATOR_FINISHED;
}
void FONT_OT_delete(wmOperatorType *ot)
{
/* identifiers */
ot->name = "Delete";
ot->description = "Delete text by cursor position";
ot->idname = "FONT_OT_delete";
/* api callbacks */
ot->exec = delete_exec;
ot->poll = ED_operator_editfont;
/* flags */
ot->flag = OPTYPE_REGISTER | OPTYPE_UNDO;
/* properties */
RNA_def_enum(ot->srna,
"type",
delete_type_items,
DEL_PREV_CHAR,
"Type",
"Which part of the text to delete");
}
/** \} */
/* -------------------------------------------------------------------- */
/** \name Insert Text Operator
* \{ */
static int insert_text_exec(bContext *C, wmOperator *op)
{
Object *obedit = CTX_data_edit_object(C);
char *inserted_utf8;
char32_t *inserted_text;
int a, len;
if (!RNA_struct_property_is_set(op->ptr, "text")) {
return OPERATOR_CANCELLED;
}
inserted_utf8 = RNA_string_get_alloc(op->ptr, "text", NULL, 0);
len = BLI_strlen_utf8(inserted_utf8);
inserted_text = MEM_callocN(sizeof(char32_t) * (len + 1), "FONT_insert_text");
len = BLI_str_utf8_as_utf32(inserted_text, inserted_utf8, MAXTEXT);
for (a = 0; a < len; a++) {
insert_into_textbuf(obedit, inserted_text[a]);
}
MEM_freeN(inserted_text);
MEM_freeN(inserted_utf8);
kill_selection(obedit, 1);
text_update_edited(C, obedit, FO_EDIT);
return OPERATOR_FINISHED;
}
static int insert_text_invoke(bContext *C, wmOperator *op, const wmEvent *event)
{
Object *obedit = CTX_data_edit_object(C);
Curve *cu = obedit->data;
EditFont *ef = cu->editfont;
static int accentcode = 0;
uintptr_t ascii = event->ascii;
int alt = event->alt, shift = event->shift, ctrl = event->ctrl;
int event_type = event->type, event_val = event->val;
wchar_t inserted_text[2] = {0};
if (RNA_struct_property_is_set(op->ptr, "text")) {
return insert_text_exec(C, op);
}
if (RNA_struct_property_is_set(op->ptr, "accent")) {
if (ef->len != 0 && ef->pos > 0) {
accentcode = 1;
}
return OPERATOR_FINISHED;
}
/* tab should exit editmode, but we allow it to be typed using modifier keys */
if (event_type == EVT_TABKEY) {
if ((alt || ctrl || shift) == 0) {
return OPERATOR_PASS_THROUGH;
}
ascii = 9;
}
if (event_type == EVT_BACKSPACEKEY) {
if (alt && ef->len != 0 && ef->pos > 0) {
accentcode = 1;
}
return OPERATOR_PASS_THROUGH;
}
if (event_val && (ascii || event->utf8_buf[0])) {
/* handle case like TAB (== 9) */
if ((ascii > 31 && ascii < 254 && ascii != 127) || (ascii == 13) || (ascii == 10) ||
(ascii == 8) || (event->utf8_buf[0])) {
if (accentcode) {
if (ef->pos > 0) {
inserted_text[0] = findaccent(ef->textbuf[ef->pos - 1], ascii);
ef->textbuf[ef->pos - 1] = inserted_text[0];
}
accentcode = 0;
}
else if (event->utf8_buf[0]) {
inserted_text[0] = BLI_str_utf8_as_unicode(event->utf8_buf);
ascii = inserted_text[0];
insert_into_textbuf(obedit, ascii);
accentcode = 0;
}
else if (ascii) {
insert_into_textbuf(obedit, ascii);
accentcode = 0;
}
else {
BLI_assert(0);
}
kill_selection(obedit, 1);
text_update_edited(C, obedit, FO_EDIT);
}
else {
inserted_text[0] = ascii;
insert_into_textbuf(obedit, ascii);
text_update_edited(C, obedit, FO_EDIT);
}
}
else {
return OPERATOR_PASS_THROUGH;
}
if (inserted_text[0]) {
/* store as utf8 in RNA string */
char inserted_utf8[8] = {0};
BLI_strncpy_wchar_as_utf8(inserted_utf8, inserted_text, sizeof(inserted_utf8));
RNA_string_set(op->ptr, "text", inserted_utf8);
}
/* reset property? */
if (event_val == 0) {
accentcode = 0;
}
return OPERATOR_FINISHED;
}
void FONT_OT_text_insert(wmOperatorType *ot)
{
/* identifiers */
ot->name = "Insert Text";
ot->description = "Insert text at cursor position";
ot->idname = "FONT_OT_text_insert";
/* api callbacks */
ot->exec = insert_text_exec;
ot->invoke = insert_text_invoke;
ot->poll = ED_operator_editfont;
/* flags */
ot->flag = OPTYPE_UNDO;
/* properties */
RNA_def_string(ot->srna, "text", NULL, 0, "Text", "Text to insert at the cursor position");
RNA_def_boolean(
ot->srna,
"accent",
0,
"Accent mode",
"Next typed character will strike through previous, for special character input");
}
/** \} */
/* -------------------------------------------------------------------- */
/** \name Textbox Add Operator
* \{ */
static int textbox_add_exec(bContext *C, wmOperator *UNUSED(op))
{
Object *obedit = CTX_data_active_object(C);
Curve *cu = obedit->data;
int i;
if (cu->totbox < 256) {
for (i = cu->totbox; i > cu->actbox; i--) {
cu->tb[i] = cu->tb[i - 1];
}
cu->tb[cu->actbox] = cu->tb[cu->actbox - 1];
cu->actbox++;
cu->totbox++;
}
DEG_id_tag_update(obedit->data, 0);
WM_event_add_notifier(C, NC_GEOM | ND_DATA, obedit->data);
return OPERATOR_FINISHED;
}
void FONT_OT_textbox_add(wmOperatorType *ot)
{
/* identifiers */
ot->name = "Add Textbox";
ot->description = "Add a new text box";
ot->idname = "FONT_OT_textbox_add";
/* api callbacks */
ot->exec = textbox_add_exec;
ot->poll = ED_operator_object_active_editable_font;
/* flags */
ot->flag = OPTYPE_REGISTER | OPTYPE_UNDO;
}
/** \} */
/* -------------------------------------------------------------------- */
/** \name Textbox Remove Operator
* \{ */
static int textbox_remove_exec(bContext *C, wmOperator *op)
{
Object *obedit = CTX_data_active_object(C);
Curve *cu = obedit->data;
int i;
int index = RNA_int_get(op->ptr, "index");
if (cu->totbox > 1) {
for (i = index; i < cu->totbox; i++) {
cu->tb[i] = cu->tb[i + 1];
}
cu->totbox--;
if (cu->actbox >= index) {
cu->actbox--;
}
}
DEG_id_tag_update(obedit->data, 0);
WM_event_add_notifier(C, NC_GEOM | ND_DATA, obedit->data);
return OPERATOR_FINISHED;
}
void FONT_OT_textbox_remove(wmOperatorType *ot)
{
/* identifiers */
ot->name = "Remove Textbox";
ot->description = "Remove the textbox";
ot->idname = "FONT_OT_textbox_remove";
/* api callbacks */
ot->exec = textbox_remove_exec;
ot->poll = ED_operator_object_active_editable_font;
/* flags */
ot->flag = OPTYPE_REGISTER | OPTYPE_UNDO;
RNA_def_int(ot->srna, "index", 0, 0, INT_MAX, "Index", "The current text box", 0, INT_MAX);
}
/** \} */
/* -------------------------------------------------------------------- */
/** \name Editmode Enter/Exit
* \{ */
void ED_curve_editfont_make(Object *obedit)
{
Curve *cu = obedit->data;
EditFont *ef = cu->editfont;
int len_wchar;
if (ef == NULL) {
ef = cu->editfont = MEM_callocN(sizeof(EditFont), "editfont");
ef->textbuf = MEM_callocN((MAXTEXT + 4) * sizeof(*ef->textbuf), "texteditbuf");
ef->textbufinfo = MEM_callocN((MAXTEXT + 4) * sizeof(CharInfo), "texteditbufinfo");
}
/* Convert the original text to wchar_t */
len_wchar = BLI_str_utf8_as_utf32(ef->textbuf, cu->str, MAXTEXT + 4);
BLI_assert(len_wchar == cu->len_wchar);
ef->len = len_wchar;
BLI_assert(ef->len >= 0);
memcpy(ef->textbufinfo, cu->strinfo, ef->len * sizeof(CharInfo));
ef->pos = cu->pos;
if (ef->pos > ef->len) {
ef->pos = ef->len;
}
cu->curinfo = ef->textbufinfo[ef->pos ? ef->pos - 1 : 0];
/* Other vars */
ef->selstart = cu->selstart;
ef->selend = cu->selend;
/* text may have been modified by Python */
BKE_vfont_select_clamp(obedit);
}
void ED_curve_editfont_load(Object *obedit)
{
Curve *cu = obedit->data;
EditFont *ef = cu->editfont;
/* Free the old curve string */
MEM_freeN(cu->str);
/* Calculate the actual string length in UTF-8 variable characters */
cu->len_wchar = ef->len;
cu->len = BLI_str_utf32_as_utf8_len(ef->textbuf);
/* Alloc memory for UTF-8 variable char length string */
cu->str = MEM_mallocN(cu->len + sizeof(char32_t), "str");
/* Copy the wchar to UTF-8 */
BLI_str_utf32_as_utf8(cu->str, ef->textbuf, cu->len + 1);
if (cu->strinfo) {
MEM_freeN(cu->strinfo);
}
cu->strinfo = MEM_callocN((cu->len_wchar + 4) * sizeof(CharInfo), "texteditinfo");
memcpy(cu->strinfo, ef->textbufinfo, cu->len_wchar * sizeof(CharInfo));
/* Other vars */
cu->pos = ef->pos;
cu->selstart = ef->selstart;
cu->selend = ef->selend;
}
void ED_curve_editfont_free(Object *obedit)
{
BKE_curve_editfont_free((Curve *)obedit->data);
}
/** \} */
/* -------------------------------------------------------------------- */
/** \name Set Case Operator
* \{ */
static const EnumPropertyItem case_items[] = {
{CASE_LOWER, "LOWER", 0, "Lower", ""},
{CASE_UPPER, "UPPER", 0, "Upper", ""},
{0, NULL, 0, NULL, NULL},
};
static int set_case(bContext *C, int ccase)
{
Object *obedit = CTX_data_edit_object(C);
Curve *cu = obedit->data;
EditFont *ef = cu->editfont;
char32_t *str;
int len;
int selstart, selend;
if (BKE_vfont_select_get(obedit, &selstart, &selend)) {
len = (selend - selstart) + 1;
str = &ef->textbuf[selstart];
while (len) {
if (*str >= 'a' && *str <= 'z') {
*str -= 32;
}
len--;
str++;
}
if (ccase == CASE_LOWER) {
len = (selend - selstart) + 1;
str = &ef->textbuf[selstart];
while (len) {
if (*str >= 'A' && *str <= 'Z') {
*str += 32;
}
len--;
str++;
}
}
text_update_edited(C, obedit, FO_EDIT);
}
return OPERATOR_FINISHED;
}
static int set_case_exec(bContext *C, wmOperator *op)
{
return set_case(C, RNA_enum_get(op->ptr, "case"));
}
void FONT_OT_case_set(wmOperatorType *ot)
{
/* identifiers */
ot->name = "Set Case";
ot->description = "Set font case";
ot->idname = "FONT_OT_case_set";
/* api callbacks */
ot->exec = set_case_exec;
ot->poll = ED_operator_editfont;
/* flags */
ot->flag = OPTYPE_REGISTER | OPTYPE_UNDO;
/* properties */
RNA_def_enum(ot->srna, "case", case_items, CASE_LOWER, "Case", "Lower or upper case");
}
/** \} */
/* -------------------------------------------------------------------- */
/** \name Toggle Case Operator
* \{ */
static int toggle_case_exec(bContext *C, wmOperator *UNUSED(op))
{
Object *obedit = CTX_data_edit_object(C);
Curve *cu = obedit->data;
EditFont *ef = cu->editfont;
char32_t *str;
int ccase = CASE_UPPER;
str = ef->textbuf;
while (*str) {
if (*str >= 'a' && *str <= 'z') {
ccase = CASE_LOWER;
break;
}
str++;
}
return set_case(C, ccase);
}
void FONT_OT_case_toggle(wmOperatorType *ot)
{
/* identifiers */
ot->name = "Toggle Case";
ot->description = "Toggle font case";
ot->idname = "FONT_OT_case_toggle";
/* api callbacks */
ot->exec = toggle_case_exec;
ot->poll = ED_operator_editfont;
/* flags */
ot->flag = OPTYPE_REGISTER | OPTYPE_UNDO;
}
/* **************** Open Font ************** */
static void font_ui_template_init(bContext *C, wmOperator *op)
{
PropertyPointerRNA *pprop;
op->customdata = pprop = MEM_callocN(sizeof(PropertyPointerRNA), "OpenPropertyPointerRNA");
UI_context_active_but_prop_get_templateID(C, &pprop->ptr, &pprop->prop);
}
static void font_open_cancel(bContext *UNUSED(C), wmOperator *op)
{
MEM_freeN(op->customdata);
op->customdata = NULL;
}
static int font_open_exec(bContext *C, wmOperator *op)
{
struct Main *bmain = CTX_data_main(C);
VFont *font;
PropertyPointerRNA *pprop;
PointerRNA idptr;
char filepath[FILE_MAX];
RNA_string_get(op->ptr, "filepath", filepath);
font = BKE_vfont_load(bmain, filepath);
if (!font) {
if (op->customdata) {
MEM_freeN(op->customdata);
}
return OPERATOR_CANCELLED;
}
if (!op->customdata) {
font_ui_template_init(C, op);
}
/* hook into UI */
pprop = op->customdata;
if (pprop->prop) {
/* when creating new ID blocks, use is already 1, but RNA
* pointer use also increases user, so this compensates it */
id_us_min(&font->id);
RNA_id_pointer_create(&font->id, &idptr);
RNA_property_pointer_set(&pprop->ptr, pprop->prop, idptr, NULL);
RNA_property_update(C, &pprop->ptr, pprop->prop);
}
MEM_freeN(op->customdata);
return OPERATOR_FINISHED;
}
static int open_invoke(bContext *C, wmOperator *op, const wmEvent *UNUSED(event))
{
VFont *vfont = NULL;
const char *path;
PointerRNA idptr;
PropertyPointerRNA *pprop;
font_ui_template_init(C, op);
/* hook into UI */
pprop = op->customdata;
if (pprop->prop) {
idptr = RNA_property_pointer_get((PointerRNA *)pprop, pprop->prop);
vfont = (VFont *)idptr.owner_id;
}
path = (vfont && !BKE_vfont_is_builtin(vfont)) ? vfont->filepath : U.fontdir;
if (RNA_struct_property_is_set(op->ptr, "filepath")) {
return font_open_exec(C, op);
}
RNA_string_set(op->ptr, "filepath", path);
WM_event_add_fileselect(C, op);
return OPERATOR_RUNNING_MODAL;
}
void FONT_OT_open(wmOperatorType *ot)
{
/* identifiers */
ot->name = "Open Font";
ot->idname = "FONT_OT_open";
ot->description = "Load a new font from a file";
/* api callbacks */
ot->exec = font_open_exec;
ot->invoke = open_invoke;
ot->cancel = font_open_cancel;
/* flags */
ot->flag = OPTYPE_REGISTER | OPTYPE_UNDO;
/* properties */
WM_operator_properties_filesel(ot,
FILE_TYPE_FOLDER | FILE_TYPE_FTFONT,
FILE_SPECIAL,
FILE_OPENFILE,
WM_FILESEL_FILEPATH | WM_FILESEL_RELPATH,
FILE_DEFAULTDISPLAY,
FILE_SORT_ALPHA);
}
/** \} */
/* -------------------------------------------------------------------- */
/** \name Delete Operator
* \{ */
static int font_unlink_exec(bContext *C, wmOperator *op)
{
VFont *builtin_font;
PointerRNA idptr;
PropertyPointerRNA pprop;
UI_context_active_but_prop_get_templateID(C, &pprop.ptr, &pprop.prop);
if (pprop.prop == NULL) {
BKE_report(op->reports, RPT_ERROR, "Incorrect context for running font unlink");
return OPERATOR_CANCELLED;
}
builtin_font = BKE_vfont_builtin_get();
RNA_id_pointer_create(&builtin_font->id, &idptr);
RNA_property_pointer_set(&pprop.ptr, pprop.prop, idptr, NULL);
RNA_property_update(C, &pprop.ptr, pprop.prop);
return OPERATOR_FINISHED;
}
void FONT_OT_unlink(wmOperatorType *ot)
{
/* identifiers */
ot->name = "Unlink";
ot->idname = "FONT_OT_unlink";
ot->description = "Unlink active font data-block";
/* api callbacks */
ot->exec = font_unlink_exec;
}
/**
* TextBox selection
*/
bool ED_curve_editfont_select_pick(
bContext *C, const int mval[2], bool extend, bool deselect, bool toggle)
{
Depsgraph *depsgraph = CTX_data_ensure_evaluated_depsgraph(C);
Object *obedit = CTX_data_edit_object(C);
Curve *cu = obedit->data;
ViewContext vc;
/* bias against the active, in pixels, allows cycling */
const float active_bias_px = 4.0f;
const float mval_fl[2] = {UNPACK2(mval)};
const int i_actbox = max_ii(0, cu->actbox - 1);
int i_iter, actbox_select = -1;
const float dist = ED_view3d_select_dist_px();
float dist_sq_best = dist * dist;
ED_view3d_viewcontext_init(C, &vc, depsgraph);
ED_view3d_init_mats_rv3d(vc.obedit, vc.rv3d);
/* currently only select active */
(void)extend;
(void)deselect;
(void)toggle;
for (i_iter = 0; i_iter < cu->totbox; i_iter++) {
int i = (i_iter + i_actbox) % cu->totbox;
float dist_sq_min;
int j, j_prev;
float obedit_co[4][3];
float screen_co[4][2];
rctf rect;
int project_ok = 0;
BKE_curve_rect_from_textbox(cu, &cu->tb[i], &rect);
copy_v3_fl3(obedit_co[0], rect.xmin, rect.ymin, 0.0f);
copy_v3_fl3(obedit_co[1], rect.xmin, rect.ymax, 0.0f);
copy_v3_fl3(obedit_co[2], rect.xmax, rect.ymax, 0.0f);
copy_v3_fl3(obedit_co[3], rect.xmax, rect.ymin, 0.0f);
for (j = 0; j < 4; j++) {
if (ED_view3d_project_float_object(
vc.region, obedit_co[j], screen_co[j], V3D_PROJ_TEST_CLIP_BB) == V3D_PROJ_RET_OK) {
project_ok |= (1 << j);
}
}
dist_sq_min = dist_sq_best;
for (j = 0, j_prev = 3; j < 4; j_prev = j++) {
if ((project_ok & (1 << j)) && (project_ok & (1 << j_prev))) {
const float dist_test_sq = dist_squared_to_line_segment_v2(
mval_fl, screen_co[j_prev], screen_co[j]);
if (dist_sq_min > dist_test_sq) {
dist_sq_min = dist_test_sq;
}
}
}
/* Bias in pixels to cycle selection. */
if (i_iter == 0) {
dist_sq_min += active_bias_px;
}
if (dist_sq_min < dist_sq_best) {
dist_sq_best = dist_sq_min;
actbox_select = i + 1;
}
}
if (actbox_select != -1) {
if (cu->actbox != actbox_select) {
cu->actbox = actbox_select;
WM_event_add_notifier(C, NC_GEOM | ND_DATA, obedit->data);
}
return true;
}
return false;
}
/** \} */
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