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blender-archive/source/blender/editors/curve/editfont.c

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/*
* ***** BEGIN GPL LICENSE BLOCK *****
*
* 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.
*
* Contributor(s): Blender Foundation
*
* ***** END GPL LICENSE BLOCK *****
*/
/** \file blender/editors/curve/editfont.c
* \ingroup edcurve
*/
#include <stdlib.h>
#include <string.h>
#include <fcntl.h>
#include <wchar.h>
#include <errno.h>
#ifndef WIN32
# include <unistd.h>
#else
# include <io.h>
#endif
#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_vfont_types.h"
#include "DNA_scene_types.h"
#include "DNA_text_types.h"
#include "BKE_context.h"
#include "BKE_curve.h"
#include "BKE_depsgraph.h"
#include "BKE_font.h"
#include "BKE_library.h"
#include "BKE_main.h"
#include "BKE_object.h"
#include "BKE_report.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_util.h"
#include "ED_view3d.h"
#include "UI_interface.h"
#include "curve_intern.h"
#define MAXTEXT 32766
static int kill_selection(Object *obedit, int ins);
/************************* utilities ******************************/
static char findaccent(char char1, unsigned int code)
{
char 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 = 143;
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 = 153;
}
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 = 135;
if (code == '+') new = 177;
}
else if (char1 == '|') {
if (code == '-') new = 135;
if (code == '=') new = 136;
}
else if (char1 == '=') {
if (code == '|') new = 136;
}
else if (char1 == '+') {
if (code == '-') new = 177;
}
if (new) return new;
else 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;
}
else
return 0;
}
static void text_update_edited(bContext *C, Object *obedit, int mode)
{
struct Main *bmain = CTX_data_main(C);
Curve *cu = obedit->data;
EditFont *ef = cu->editfont;
cu->curinfo = ef->textbufinfo[ef->pos ? ef->pos - 1 : 0];
if (obedit->totcol > 0) {
obedit->actcol = ef->textbufinfo[ef->pos ? ef->pos - 1 : 0].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;
}
}
if (mode == FO_EDIT) {
/* re-tesselllate */
DAG_id_tag_update(obedit->data, 0);
}
else {
/* depsgraph runs above, but since we're not tagging for update, call direct */
BKE_vfont_to_curve(bmain, obedit, mode);
}
WM_event_add_notifier(C, NC_GEOM | ND_DATA, obedit->data);
}
/********************** insert lorem operator *********************/
static int insert_lorem_exec(bContext *C, wmOperator *UNUSED(op))
{
Object *obedit = CTX_data_edit_object(C);
const char *p, *p2;
int i;
static const char *lastlorem = NULL;
if (lastlorem)
p = lastlorem;
else
p = ED_lorem;
i = rand() / (RAND_MAX / 6) + 4;
for (p2 = p; *p2 && i; p2++) {
insert_into_textbuf(obedit, *p2);
if (*p2 == '.')
i--;
}
lastlorem = p2 + 1;
if (strlen(lastlorem) < 5)
lastlorem = ED_lorem;
insert_into_textbuf(obedit, '\n');
insert_into_textbuf(obedit, '\n');
DAG_id_tag_update(obedit->data, 0);
WM_event_add_notifier(C, NC_GEOM | ND_DATA, obedit->data);
return OPERATOR_FINISHED;
}
void FONT_OT_insert_lorem(wmOperatorType *ot)
{
/* identifiers */
ot->name = "Insert Lorem";
ot->description = "Insert placeholder text";
ot->idname = "FONT_OT_insert_lorem";
/* api callbacks */
ot->exec = insert_lorem_exec;
ot->poll = ED_operator_editfont;
/* flags */
ot->flag = OPTYPE_REGISTER | OPTYPE_UNDO;
}
/* -------------------------------------------------------------------- */
/* Generic Paste Functions */
/* text_update_edited(C, scene, obedit, 1, FO_EDIT); */
static bool font_paste_wchar(Object *obedit, const wchar_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(wchar_t)) - (ef->pos * sizeof(wchar_t)) + sizeof(wchar_t);
memmove(ef->textbuf + ef->pos + str_len, ef->textbuf + ef->pos, size);
memcpy(ef->textbuf + ef->pos, str, str_len * sizeof(wchar_t));
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;
wchar_t *mem = MEM_mallocN((sizeof(wchar_t) * (str_len + 1)), __func__);
tmplen = BLI_strncpy_wchar_from_utf8(mem, str, str_len + 1);
retval = font_paste_wchar(obedit, mem, tmplen, NULL);
MEM_freeN(mem);
return retval;
}
/* -------------------------------------------------------------------- */
/* Paste From File*/
static int paste_from_file(bContext *C, ReportList *reports, const char *filename)
{
Object *obedit = CTX_data_edit_object(C);
FILE *fp;
char *strp;
int filelen;
int retval;
fp = BLI_fopen(filename, "r");
if (!fp) {
BKE_reportf(reports, RPT_ERROR, "Failed to open file '%s'", filename);
return OPERATOR_CANCELLED;
}
fseek(fp, 0L, SEEK_END);
errno = 0;
filelen = ftell(fp);
if (filelen == -1) {
goto fail;
}
if (filelen <= MAXTEXT) {
strp = MEM_mallocN(filelen + 4, "tempstr");
fseek(fp, 0L, SEEK_SET);
/* fread() instead of read(), because windows read() converts text
* to DOS \r\n linebreaks, causing double linebreaks in the 3d text */
errno = 0;
filelen = fread(strp, 1, filelen, fp);
if (filelen == -1) {
MEM_freeN(strp);
goto fail;
}
strp[filelen] = 0;
}
else {
strp = NULL;
}
fclose(fp);
if (strp && 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;
}
if (strp) {
MEM_freeN(strp);
}
return retval;
/* failed to seek or read */
fail:
BKE_reportf(reports, RPT_ERROR, "Failed to read file '%s', %s", filename, strerror(errno));
fclose(fp);
return OPERATOR_CANCELLED;
}
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, FOLDERFILE | TEXTFILE, FILE_SPECIAL, FILE_OPENFILE,
WM_FILESEL_FILEPATH, FILE_DEFAULTDISPLAY);
}
/* -------------------------------------------------------------------- */
/* Paste From Clipboard */
static int paste_from_clipboard(bContext *C, ReportList *reports)
{
Object *obedit = CTX_data_edit_object(C);
char *strp;
int filelen;
int retval;
strp = WM_clipboard_text_get(false, &filelen);
if (strp == NULL) {
BKE_report(reports, RPT_ERROR, "Clipboard empty");
return OPERATOR_CANCELLED;
}
if ((filelen <= MAXTEXT) && font_paste_utf8(C, strp, filelen)) {
text_update_edited(C, obedit, FO_EDIT);
retval = OPERATOR_FINISHED;
}
else {
BKE_report(reports, RPT_ERROR, "Clipboard too long");
retval = OPERATOR_CANCELLED;
}
MEM_freeN(strp);
return retval;
}
static int paste_from_clipboard_exec(bContext *C, wmOperator *op)
{
int retval;
retval = paste_from_clipboard(C, op->reports);
return retval;
}
void FONT_OT_text_paste_from_clipboard(wmOperatorType *ot)
{
/* identifiers */
ot->name = "Paste Clipboard";
ot->description = "Paste contents from system clipboard";
ot->idname = "FONT_OT_text_paste_from_clipboard";
/* api callbacks */
ot->exec = paste_from_clipboard_exec;
ot->poll = ED_operator_editfont;
/* flags */
ot->flag = OPTYPE_REGISTER | OPTYPE_UNDO;
/* properties */
WM_operator_properties_filesel(ot, FOLDERFILE | TEXTFILE, FILE_SPECIAL, FILE_OPENFILE,
WM_FILESEL_FILEPATH, FILE_DEFAULTDISPLAY);
}
/******************* text to object operator ********************/
static void txt_add_object(bContext *C, TextLine *firstline, int totline, const float offset[3])
{
Main *bmain = CTX_data_main(C);
Scene *scene = CTX_data_scene(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, OB_FONT);
base = scene->basact;
/* seems to assume view align ? TODO - look into this, could be an operator option */
ED_object_base_init_transform(C, base, NULL, rot);
BKE_object_where_is_calc(scene, obedit);
add_v3_v3(obedit->loc, offset);
cu = obedit->data;
cu->vfont = BKE_vfont_builtin_get();
cu->vfont->id.us++;
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_countlist(&text->lines), offset);
}
}
/********************** utilities ***************************/
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(wchar_t)) - (selstart * sizeof(wchar_t)) + (offset * sizeof(wchar_t));
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);
}
/******************* set style operator ********************/
static 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;
}
DAG_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");
}
/******************* 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");
}
/* -------------------------------------------------------------------- */
/* Select All */
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;
}
else {
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;
}
/******************* 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;
memcpy(ef->copybuf, ef->textbuf + selstart, ((selend - selstart) + 1) * sizeof(wchar_t));
ef->copybuf[(selend - selstart) + 1] = 0;
memcpy(ef->copybufinfo, ef->textbufinfo + selstart, ((selend - selstart) + 1) * sizeof(CharInfo));
}
}
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;
}
/******************* 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;
}
/******************* paste text operator ********************/
static bool paste_selection(Object *obedit, ReportList *reports)
{
Curve *cu = obedit->data;
EditFont *ef = cu->editfont;
int len = wcslen(ef->copybuf);
if (font_paste_wchar(obedit, ef->copybuf, len, ef->copybufinfo)) {
return true;
}
else {
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);
if (!paste_selection(obedit, op->reports))
return OPERATOR_CANCELLED;
text_update_edited(C, obedit, FO_EDIT);
return OPERATOR_FINISHED;
}
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;
}
/************************ move operator ************************/
static 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)
{
Object *obedit = CTX_data_edit_object(C);
Curve *cu = obedit->data;
EditFont *ef = cu->editfont;
int cursmove = -1;
switch (type) {
case LINE_BEGIN:
if ((select) && (ef->selstart == 0)) ef->selstart = ef->selend = ef->pos + 1;
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:
if ((select) && (ef->selstart == 0)) ef->selstart = ef->selend = ef->pos + 1;
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;
if ((select) && (ef->selstart == 0)) ef->selstart = ef->selend = ef->pos + 1;
BLI_str_cursor_step_wchar(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;
if ((select) && (ef->selstart == 0)) ef->selstart = ef->selend = ef->pos + 1;
BLI_str_cursor_step_wchar(ef->textbuf, ef->len, &pos, STRCUR_DIR_NEXT, STRCUR_JUMP_DELIM, true);
ef->pos = pos;
cursmove = FO_CURS;
break;
}
case PREV_CHAR:
if ((select) && (ef->selstart == 0)) ef->selstart = ef->selend = ef->pos + 1;
ef->pos--;
cursmove = FO_CURS;
break;
case NEXT_CHAR:
if ((select) && (ef->selstart == 0)) ef->selstart = ef->selend = ef->pos + 1;
ef->pos++;
cursmove = FO_CURS;
break;
case PREV_LINE:
if ((select) && (ef->selstart == 0)) ef->selstart = ef->selend = ef->pos + 1;
cursmove = FO_CURSUP;
break;
case NEXT_LINE:
if ((select) && (ef->selstart == 0)) ef->selstart = ef->selend = ef->pos + 1;
cursmove = FO_CURSDOWN;
break;
case PREV_PAGE:
if ((select) && (ef->selstart == 0)) ef->selstart = ef->selend = ef->pos + 1;
cursmove = FO_PAGEUP;
break;
case NEXT_PAGE:
if ((select) && (ef->selstart == 0)) ef->selstart = ef->selend = ef->pos + 1;
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;
if (select == 0) {
if (ef->selstart) {
struct Main *bmain = CTX_data_main(C);
ef->selstart = ef->selend = 0;
BKE_vfont_to_curve(bmain, 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");
}
/******************* 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");
}
/************************* 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");
kern = ef->textbufinfo[ef->pos - 1].kern;
kern += delta;
CLAMP(kern, -20, 20);
if (ef->textbufinfo[ef->pos - 1].kern == kern)
return OPERATOR_CANCELLED;
ef->textbufinfo[ef->pos - 1].kern = kern;
text_update_edited(C, obedit, FO_EDIT);
return OPERATOR_FINISHED;
}
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);
}
/************************* 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);
}
/******************* 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;
}
/******************* delete operator **********************/
static EnumPropertyItem delete_type_items[] = {
{DEL_ALL, "ALL", 0, "All", ""},
{DEL_NEXT_CHAR, "NEXT_CHARACTER", 0, "Next Character", ""},
{DEL_PREV_CHAR, "PREVIOUS_CHARACTER", 0, "Previous Character", ""},
{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 x, selstart, selend, type = RNA_enum_get(op->ptr, "type");
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;
}
else {
if (type == DEL_NEXT_SEL) type = DEL_NEXT_CHAR;
else if (type == DEL_PREV_SEL) type = DEL_PREV_CHAR;
}
switch (type) {
case DEL_ALL:
ef->len = ef->pos = 0;
ef->textbuf[0] = 0;
break;
case DEL_SELECTION:
if (!kill_selection(obedit, 0))
return OPERATOR_CANCELLED;
break;
case DEL_PREV_CHAR:
if (ef->pos <= 0)
return OPERATOR_CANCELLED;
for (x = ef->pos; x <= ef->len; x++)
ef->textbuf[x - 1] = ef->textbuf[x];
for (x = ef->pos; x <= ef->len; x++)
ef->textbufinfo[x - 1] = ef->textbufinfo[x];
ef->pos--;
ef->textbuf[--ef->len] = '\0';
break;
case DEL_NEXT_CHAR:
if (ef->pos >= ef->len)
return OPERATOR_CANCELLED;
for (x = ef->pos; x < ef->len; x++)
ef->textbuf[x] = ef->textbuf[x + 1];
for (x = ef->pos; x < ef->len; x++)
ef->textbufinfo[x] = ef->textbufinfo[x + 1];
ef->textbuf[--ef->len] = '\0';
break;
default:
return OPERATOR_CANCELLED;
}
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_ALL, "Type", "Which part of the text to delete");
}
/*********************** insert text operator *************************/
static int insert_text_exec(bContext *C, wmOperator *op)
{
Object *obedit = CTX_data_edit_object(C);
char *inserted_utf8;
wchar_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(wchar_t) * (len + 1), "FONT_insert_text");
BLI_strncpy_wchar_from_utf8(inserted_text, inserted_utf8, len + 1);
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 == TABKEY) {
if ((alt || ctrl || shift) == 0)
return OPERATOR_PASS_THROUGH;
else
ascii = 9;
}
if (event_type == 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]) {
BLI_strncpy_wchar_from_utf8(inserted_text, event->utf8_buf, 2);
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_REGISTER | 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");
}
/*********************** 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++;
}
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;
}
/*********************** 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--;
}
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);
}
/***************** editmode enter/exit ********************/
void make_editText(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(wchar_t), "texteditbuf");
ef->textbufinfo = MEM_callocN((MAXTEXT + 4) * sizeof(CharInfo), "texteditbufinfo");
ef->copybuf = MEM_callocN((MAXTEXT + 4) * sizeof(wchar_t), "texteditcopybuf");
ef->copybufinfo = MEM_callocN((MAXTEXT + 4) * sizeof(CharInfo), "texteditcopybufinfo");
}
/* Convert the original text to wchar_t */
len_wchar = BLI_strncpy_wchar_from_utf8(ef->textbuf, cu->str, MAXTEXT + 4);
BLI_assert(len_wchar == cu->len_wchar);
ef->len = len_wchar;
memcpy(ef->textbufinfo, cu->strinfo, ef->len * sizeof(CharInfo));
if (ef->pos > ef->len) ef->pos = ef->len;
cu->curinfo = ef->textbufinfo[ef->pos ? ef->pos - 1 : 0];
/* Other vars */
ef->pos = cu->pos;
ef->selstart = cu->selstart;
ef->selend = cu->selend;
}
void load_editText(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_wstrlen_utf8(ef->textbuf);
/* Alloc memory for UTF-8 variable char length string */
cu->str = MEM_mallocN(cu->len + sizeof(wchar_t), "str");
/* Copy the wchar to UTF-8 */
BLI_strncpy_wchar_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 free_editText(Object *obedit)
{
BKE_curve_editfont_free((Curve *)obedit->data);
}
/********************** set case operator *********************/
static 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;
wchar_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");
}
/********************** 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;
wchar_t *str;
int len, ccase = CASE_UPPER;
len = wcslen(ef->textbuf);
str = ef->textbuf;
while (len) {
if (*str >= 'a' && *str <= 'z') {
ccase = CASE_LOWER;
break;
}
len--;
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");
uiIDContextProperty(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 se also increases user, so this compensates it */
font->id.us--;
RNA_id_pointer_create(&font->id, &idptr);
RNA_property_pointer_set(&pprop->ptr, pprop->prop, idptr);
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 = idptr.id.data;
}
path = (vfont && !BKE_vfont_is_builtin(vfont)) ? vfont->name : 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, FOLDERFILE | FTFONTFILE, FILE_SPECIAL, FILE_OPENFILE,
WM_FILESEL_FILEPATH | WM_FILESEL_RELPATH, FILE_DEFAULTDISPLAY);
}
/******************* delete operator *********************/
static int font_unlink_exec(bContext *C, wmOperator *op)
{
VFont *builtin_font;
PointerRNA idptr;
PropertyPointerRNA pprop;
uiIDContextProperty(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);
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;
}
/* **************** undo for font object ************** */
static void undoFont_to_editFont(void *strv, void *ecu, void *UNUSED(obdata))
{
Curve *cu = (Curve *)ecu;
EditFont *ef = cu->editfont;
const char *str = strv;
ef->pos = *((short *)str);
ef->len = *((short *)(str + 2));
memcpy(ef->textbuf, str + 4, (ef->len + 1) * sizeof(wchar_t));
memcpy(ef->textbufinfo, str + 4 + (ef->len + 1) * sizeof(wchar_t), ef->len * sizeof(CharInfo));
ef->selstart = ef->selend = 0;
}
static void *editFont_to_undoFont(void *ecu, void *UNUSED(obdata))
{
Curve *cu = (Curve *)ecu;
EditFont *ef = cu->editfont;
char *str;
/* The undo buffer includes [MAXTEXT+6]=actual string and [MAXTEXT+4]*sizeof(CharInfo)=charinfo */
str = MEM_callocN((MAXTEXT + 6) * sizeof(wchar_t) + (MAXTEXT + 4) * sizeof(CharInfo), "string undo");
/* Copy the string and string information */
memcpy(str + 4, ef->textbuf, (ef->len + 1) * sizeof(wchar_t));
memcpy(str + 4 + (ef->len + 1) * sizeof(wchar_t), ef->textbufinfo, ef->len * sizeof(CharInfo));
*((short *)(str + 0)) = ef->pos;
*((short *)(str + 2)) = ef->len;
return str;
}
static void free_undoFont(void *strv)
{
MEM_freeN(strv);
}
static void *get_undoFont(bContext *C)
{
Object *obedit = CTX_data_edit_object(C);
if (obedit && obedit->type == OB_FONT) {
return obedit->data;
}
return NULL;
}
/* and this is all the undo system needs to know */
void undo_push_font(bContext *C, const char *name)
{
undo_editmode_push(C, name, get_undoFont, free_undoFont, undoFont_to_editFont, editFont_to_undoFont, NULL);
}
/**
* TextBox selection
*/
bool mouse_font(bContext *C, const int mval[2], bool extend, bool deselect, bool toggle)
{
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;
view3d_set_viewcontext(C, &vc);
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.ar, 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 seletion */
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;
}
else {
return false;
}
}
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