diff options
Diffstat (limited to 'source/blender/editors/space_text/text_autocomplete.c')
| -rw-r--r-- | source/blender/editors/space_text/text_autocomplete.c | 352 |
1 files changed, 352 insertions, 0 deletions
diff --git a/source/blender/editors/space_text/text_autocomplete.c b/source/blender/editors/space_text/text_autocomplete.c new file mode 100644 index 00000000000..044c5322f23 --- /dev/null +++ b/source/blender/editors/space_text/text_autocomplete.c @@ -0,0 +1,352 @@ +/* + * ***** 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) 2008 Blender Foundation. + * All rights reserved. + * + * + * Contributor(s): Blender Foundation + * + * ***** END GPL LICENSE BLOCK ***** + */ + +/** \file blender/editors/space_text/text_python.c + * \ingroup sptext + */ + +#include <ctype.h> + +#include "DNA_screen_types.h" +#include "DNA_space_types.h" +#include "DNA_text_types.h" +#include "DNA_userdef_types.h" + +#include "BKE_suggestions.h" +#include "BKE_text.h" + +#include "BLI_blenlib.h" + +#include "WM_types.h" + +#include "text_intern.h" + +int text_do_suggest_select(SpaceText *st, ARegion *ar) +{ + SuggItem *item, *first, *last /* , *sel */ /* UNUSED */; + TextLine *tmp; + int l, x, y, w, h, i; + int tgti, *top; + int mval[2] = {0, 0}; + + if (!st || !st->text) return 0; + if (!texttool_text_is_active(st->text)) return 0; + + first = texttool_suggest_first(); + last = texttool_suggest_last(); + /* sel = texttool_suggest_selected(); */ /* UNUSED */ + top = texttool_suggest_top(); + + if (!last || !first) + return 0; + + /* Count the visible lines to the cursor */ + for (tmp = st->text->curl, l = -st->top; tmp; tmp = tmp->prev, l++) ; + if (l < 0) return 0; + + text_update_character_width(st); + + if (st->showlinenrs) { + x = st->cwidth * (st->text->curc - st->left) + TXT_OFFSET + TEXTXLOC - 4; + } + else { + x = st->cwidth * (st->text->curc - st->left) + TXT_OFFSET - 4; + } + y = ar->winy - st->lheight_dpi * l - 2; + + w = SUGG_LIST_WIDTH * st->cwidth + U.widget_unit; + h = SUGG_LIST_SIZE * st->lheight_dpi + 0.4f * U.widget_unit; + + // XXX getmouseco_areawin(mval); + + if (mval[0] < x || x + w < mval[0] || mval[1] < y - h || y < mval[1]) + return 0; + + /* Work out which of the items is at the top of the visible list */ + for (i = 0, item = first; i < *top && item->next; i++, item = item->next) ; + + /* Work out the target item index in the visible list */ + tgti = (y - mval[1] - 4) / st->lheight_dpi; + if (tgti < 0 || tgti > SUGG_LIST_SIZE) + return 1; + + for (i = tgti; i > 0 && item->next; i--, item = item->next) ; + if (item) + texttool_suggest_select(item); + return 1; +} + +void text_pop_suggest_list(void) +{ + SuggItem *item, *sel; + int *top, i; + + item = texttool_suggest_first(); + sel = texttool_suggest_selected(); + top = texttool_suggest_top(); + + i = 0; + while (item && item != sel) { + item = item->next; + i++; + } + if (i > *top + SUGG_LIST_SIZE - 1) + *top = i - SUGG_LIST_SIZE + 1; + else if (i < *top) + *top = i; +} + +static void get_suggest_prefix(Text *text, int offset) +{ + int i, len; + char *line; + + if (!text) return; + if (!texttool_text_is_active(text)) return; + + line = text->curl->line; + for (i = text->curc - 1 + offset; i >= 0; i--) + if (!text_check_identifier(line[i])) + break; + i++; + len = text->curc - i + offset; + texttool_suggest_prefix(line + i, len); +} + +static void confirm_suggestion(Text *text, int skipleft) +{ + SuggItem *sel; + int i, over = 0; + char *line; + + if (!text) return; + if (!texttool_text_is_active(text)) return; + + sel = texttool_suggest_selected(); + if (!sel) return; + + line = text->curl->line; + i = text->curc - skipleft - 1; + while (i >= 0) { + if (!text_check_identifier(line[i])) + break; + over++; + i--; + } + + for (i = 0; i < skipleft; i++) + txt_move_left(text, 0); + for (i = 0; i < over; i++) + txt_move_left(text, 1); + + txt_insert_buf(text, sel->name); + + for (i = 0; i < skipleft; i++) + txt_move_right(text, 0); + + texttool_text_clear(); +} + +// XXX +#define LR_SHIFTKEY 0 +#define LR_ALTKEY 0 +#define LR_CTRLKEY 0 + +// XXX +static int doc_scroll = 0; + +static short UNUSED_FUNCTION(do_texttools) (SpaceText * st, char ascii, unsigned short evnt, short val) +{ + ARegion *ar = NULL; // XXX + int qual = 0; // XXX + int draw = 0, tools = 0, swallow = 0, scroll = 1; + if (!texttool_text_is_active(st->text)) return 0; + if (!st->text || st->text->id.lib) return 0; + + if (st->doplugins && texttool_text_is_active(st->text)) { + if (texttool_suggest_first()) tools |= TOOL_SUGG_LIST; + if (texttool_docs_get()) tools |= TOOL_DOCUMENT; + } + + if (ascii) { + if (tools & TOOL_SUGG_LIST) { + if ((ascii != '_' && ascii != '*' && ispunct(ascii)) || text_check_whitespace(ascii)) { + confirm_suggestion(st->text, 0); + text_update_line_edited(st->text->curl); + } + else if ((st->overwrite && txt_replace_char(st->text, ascii)) || txt_add_char(st->text, ascii)) { + get_suggest_prefix(st->text, 0); + text_pop_suggest_list(); + swallow = 1; + draw = 1; + } + } + if (tools & TOOL_DOCUMENT) texttool_docs_clear(), doc_scroll = 0, draw = 1; + + } + else if (val == 1 && evnt) { + switch (evnt) { + case LEFTMOUSE: + if (text_do_suggest_select(st, ar)) + swallow = 1; + else { + if (tools & TOOL_SUGG_LIST) texttool_suggest_clear(); + if (tools & TOOL_DOCUMENT) texttool_docs_clear(), doc_scroll = 0; + } + draw = 1; + break; + case MIDDLEMOUSE: + if (text_do_suggest_select(st, ar)) { + confirm_suggestion(st->text, 0); + text_update_line_edited(st->text->curl); + swallow = 1; + } + else { + if (tools & TOOL_SUGG_LIST) texttool_suggest_clear(); + if (tools & TOOL_DOCUMENT) texttool_docs_clear(), doc_scroll = 0; + } + draw = 1; + break; + case ESCKEY: + draw = swallow = 1; + if (tools & TOOL_SUGG_LIST) texttool_suggest_clear(); + else if (tools & TOOL_DOCUMENT) texttool_docs_clear(), doc_scroll = 0; + else draw = swallow = 0; + break; + case RETKEY: + if (tools & TOOL_SUGG_LIST) { + confirm_suggestion(st->text, 0); + text_update_line_edited(st->text->curl); + swallow = 1; + draw = 1; + } + if (tools & TOOL_DOCUMENT) texttool_docs_clear(), doc_scroll = 0, draw = 1; + break; + case LEFTARROWKEY: + case BACKSPACEKEY: + if (tools & TOOL_SUGG_LIST) { + if (qual) + texttool_suggest_clear(); + else { + /* Work out which char we are about to delete/pass */ + if (st->text->curl && st->text->curc > 0) { + char ch = st->text->curl->line[st->text->curc - 1]; + if ((ch == '_' || !ispunct(ch)) && !text_check_whitespace(ch)) { + get_suggest_prefix(st->text, -1); + text_pop_suggest_list(); + } + else + texttool_suggest_clear(); + } + else + texttool_suggest_clear(); + } + } + if (tools & TOOL_DOCUMENT) texttool_docs_clear(), doc_scroll = 0; + break; + case RIGHTARROWKEY: + if (tools & TOOL_SUGG_LIST) { + if (qual) + texttool_suggest_clear(); + else { + /* Work out which char we are about to pass */ + if (st->text->curl && st->text->curc < st->text->curl->len) { + char ch = st->text->curl->line[st->text->curc + 1]; + if ((ch == '_' || !ispunct(ch)) && !text_check_whitespace(ch)) { + get_suggest_prefix(st->text, 1); + text_pop_suggest_list(); + } + else + texttool_suggest_clear(); + } + else + texttool_suggest_clear(); + } + } + if (tools & TOOL_DOCUMENT) texttool_docs_clear(), doc_scroll = 0; + break; + case PAGEDOWNKEY: + scroll = SUGG_LIST_SIZE - 1; + case WHEELDOWNMOUSE: + case DOWNARROWKEY: + if (tools & TOOL_DOCUMENT) { + doc_scroll++; + swallow = 1; + draw = 1; + break; + } + else if (tools & TOOL_SUGG_LIST) { + SuggItem *sel = texttool_suggest_selected(); + if (!sel) { + texttool_suggest_select(texttool_suggest_first()); + } + else { + while (sel && sel != texttool_suggest_last() && sel->next && scroll--) { + texttool_suggest_select(sel->next); + sel = sel->next; + } + } + text_pop_suggest_list(); + swallow = 1; + draw = 1; + break; + } + case PAGEUPKEY: + scroll = SUGG_LIST_SIZE - 1; + case WHEELUPMOUSE: + case UPARROWKEY: + if (tools & TOOL_DOCUMENT) { + if (doc_scroll > 0) doc_scroll--; + swallow = 1; + draw = 1; + break; + } + else if (tools & TOOL_SUGG_LIST) { + SuggItem *sel = texttool_suggest_selected(); + while (sel && sel != texttool_suggest_first() && sel->prev && scroll--) { + texttool_suggest_select(sel->prev); + sel = sel->prev; + } + text_pop_suggest_list(); + swallow = 1; + draw = 1; + break; + } + case RIGHTSHIFTKEY: + case LEFTSHIFTKEY: + break; + default: + if (tools & TOOL_SUGG_LIST) texttool_suggest_clear(), draw = 1; + if (tools & TOOL_DOCUMENT) texttool_docs_clear(), doc_scroll = 0, draw = 1; + } + } + + if (draw) { + // XXX redraw_alltext(); + } + + return swallow; +} |