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blender-archive/source/blender/editors/space_text/space_text.c
Joshua Leung 0e7c973e06 Bugfix #21041: pressing tab, adds spaces depending on the end of the line 
The code used to calculate the number of spaces to insert for a tab (so that indention widths were aligned to multiples of the number of spaces to use) was incorrectly assuming that the line that this was to occur on was blank, using text->curl->len (i.e. the length of the current line). 

The code now uses the position of the cursor to determine how many spaces need to be added to it to move it to the next multiple of the tab width.

---

Also, added numpad enter to text-editor keymap for creating new lines for more consistency with user expectations.
2010-02-09 11:18:17 +00:00

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/**
* $Id:
*
* ***** 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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*
* The Original Code is Copyright (C) 2008 Blender Foundation.
* All rights reserved.
*
*
* Contributor(s): Blender Foundation
*
* ***** END GPL LICENSE BLOCK *****
*/
#include <string.h>
#include <stdio.h>
#include "DNA_text_types.h"
#include "DNA_object_types.h"
#include "DNA_space_types.h"
#include "DNA_scene_types.h"
#include "DNA_screen_types.h"
#include "DNA_userdef_types.h"
#include "MEM_guardedalloc.h"
#include "BLI_blenlib.h"
#include "BLI_math.h"
#include "BLI_rand.h"
#include "BKE_colortools.h"
#include "BKE_context.h"
#include "BKE_screen.h"
#include "ED_space_api.h"
#include "ED_screen.h"
#include "BIF_gl.h"
#include "WM_api.h"
#include "WM_types.h"
#include "UI_interface.h"
#include "UI_resources.h"
#include "UI_view2d.h"
#include "RNA_access.h"
#include "ED_markers.h"
#include "text_intern.h" // own include
/* ******************** default callbacks for text space ***************** */
static SpaceLink *text_new(const bContext *C)
{
ARegion *ar;
SpaceText *stext;
stext= MEM_callocN(sizeof(SpaceText), "inittext");
stext->spacetype= SPACE_TEXT;
stext->lheight= 12;
stext->tabnumber= 4;
/* header */
ar= MEM_callocN(sizeof(ARegion), "header for text");
BLI_addtail(&stext->regionbase, ar);
ar->regiontype= RGN_TYPE_HEADER;
ar->alignment= RGN_ALIGN_BOTTOM;
/* main area */
ar= MEM_callocN(sizeof(ARegion), "main area for text");
BLI_addtail(&stext->regionbase, ar);
ar->regiontype= RGN_TYPE_WINDOW;
return (SpaceLink *)stext;
}
/* not spacelink itself */
static void text_free(SpaceLink *sl)
{
SpaceText *stext= (SpaceText*) sl;
stext->text= NULL;
}
/* spacetype; init callback */
static void text_init(struct wmWindowManager *wm, ScrArea *sa)
{
}
static SpaceLink *text_duplicate(SpaceLink *sl)
{
SpaceText *stextn= MEM_dupallocN(sl);
/* clear or remove stuff from old */
return (SpaceLink *)stextn;
}
static void text_listener(ScrArea *sa, wmNotifier *wmn)
{
SpaceText *st= sa->spacedata.first;
/* context changes */
switch(wmn->category) {
case NC_TEXT:
if(!wmn->reference || wmn->reference == st->text) {
ED_area_tag_redraw(sa);
if(wmn->action == NA_EDITED)
if(st->text)
text_update_edited(st->text);
}
else if(wmn->data == ND_DISPLAY)
ED_area_tag_redraw(sa);
break;
case NC_SPACE:
if(wmn->data == ND_SPACE_TEXT)
ED_area_tag_redraw(sa);
break;
}
}
static void text_operatortypes(void)
{
WM_operatortype_append(TEXT_OT_new);
WM_operatortype_append(TEXT_OT_open);
WM_operatortype_append(TEXT_OT_reload);
WM_operatortype_append(TEXT_OT_unlink);
WM_operatortype_append(TEXT_OT_save);
WM_operatortype_append(TEXT_OT_save_as);
WM_operatortype_append(TEXT_OT_make_internal);
WM_operatortype_append(TEXT_OT_run_script);
WM_operatortype_append(TEXT_OT_refresh_pyconstraints);
WM_operatortype_append(TEXT_OT_paste);
WM_operatortype_append(TEXT_OT_copy);
WM_operatortype_append(TEXT_OT_cut);
WM_operatortype_append(TEXT_OT_convert_whitespace);
WM_operatortype_append(TEXT_OT_uncomment);
WM_operatortype_append(TEXT_OT_comment);
WM_operatortype_append(TEXT_OT_unindent);
WM_operatortype_append(TEXT_OT_indent);
WM_operatortype_append(TEXT_OT_markers_clear);
WM_operatortype_append(TEXT_OT_next_marker);
WM_operatortype_append(TEXT_OT_previous_marker);
WM_operatortype_append(TEXT_OT_select_line);
WM_operatortype_append(TEXT_OT_select_all);
WM_operatortype_append(TEXT_OT_jump);
WM_operatortype_append(TEXT_OT_move);
WM_operatortype_append(TEXT_OT_move_select);
WM_operatortype_append(TEXT_OT_delete);
WM_operatortype_append(TEXT_OT_overwrite_toggle);
WM_operatortype_append(TEXT_OT_cursor_set);
WM_operatortype_append(TEXT_OT_scroll);
WM_operatortype_append(TEXT_OT_scroll_bar);
WM_operatortype_append(TEXT_OT_line_number);
WM_operatortype_append(TEXT_OT_line_break);
WM_operatortype_append(TEXT_OT_insert);
WM_operatortype_append(TEXT_OT_properties);
WM_operatortype_append(TEXT_OT_find);
WM_operatortype_append(TEXT_OT_find_set_selected);
WM_operatortype_append(TEXT_OT_replace);
WM_operatortype_append(TEXT_OT_replace_set_selected);
WM_operatortype_append(TEXT_OT_mark_all);
WM_operatortype_append(TEXT_OT_to_3d_object);
WM_operatortype_append(TEXT_OT_resolve_conflict);
}
static void text_keymap(struct wmKeyConfig *keyconf)
{
wmKeyMap *keymap;
wmKeyMapItem *kmi;
keymap= WM_keymap_find(keyconf, "Text", SPACE_TEXT, 0);
#ifdef __APPLE__
RNA_enum_set(WM_keymap_add_item(keymap, "TEXT_OT_move", LEFTARROWKEY, KM_PRESS, KM_OSKEY, 0)->ptr, "type", LINE_BEGIN);
RNA_enum_set(WM_keymap_add_item(keymap, "TEXT_OT_move", RIGHTARROWKEY, KM_PRESS, KM_OSKEY, 0)->ptr, "type", LINE_BEGIN);
RNA_enum_set(WM_keymap_add_item(keymap, "TEXT_OT_move_select", LEFTARROWKEY, KM_PRESS, KM_SHIFT|KM_OSKEY, 0)->ptr, "type", LINE_BEGIN);
RNA_enum_set(WM_keymap_add_item(keymap, "TEXT_OT_move_select", RIGHTARROWKEY, KM_PRESS, KM_SHIFT|KM_OSKEY, 0)->ptr, "type", LINE_BEGIN);
WM_keymap_add_item(keymap, "TEXT_OT_save", SKEY, KM_PRESS, KM_ALT|KM_OSKEY, 0);
WM_keymap_add_item(keymap, "TEXT_OT_save_as", SKEY, KM_PRESS, KM_ALT|KM_SHIFT|KM_OSKEY, 0);
WM_keymap_add_item(keymap, "TEXT_OT_cut", XKEY, KM_PRESS, KM_OSKEY, 0);
WM_keymap_add_item(keymap, "TEXT_OT_copy", CKEY, KM_PRESS, KM_OSKEY, 0);
WM_keymap_add_item(keymap, "TEXT_OT_paste", VKEY, KM_PRESS, KM_OSKEY, 0);
WM_keymap_add_item(keymap, "TEXT_OT_properties", FKEY, KM_PRESS, KM_OSKEY, 0);
WM_keymap_add_item(keymap, "TEXT_OT_find_set_selected", EKEY, KM_PRESS, KM_OSKEY, 0);
WM_keymap_add_item(keymap, "TEXT_OT_find", GKEY, KM_PRESS, KM_OSKEY, 0);
WM_keymap_add_item(keymap, "TEXT_OT_select_all", AKEY, KM_PRESS, KM_OSKEY, 0);
WM_keymap_add_item(keymap, "TEXT_OT_select_line", AKEY, KM_PRESS, KM_SHIFT|KM_OSKEY, 0);
#endif
kmi = WM_keymap_add_item(keymap, "WM_OT_context_cycle_int", WHEELUPMOUSE, KM_PRESS, KM_CTRL, 0);
RNA_string_set(kmi->ptr, "path", "space_data.font_size");
RNA_boolean_set(kmi->ptr, "reverse", 0);
kmi = WM_keymap_add_item(keymap, "WM_OT_context_cycle_int", WHEELDOWNMOUSE, KM_PRESS, KM_CTRL, 0);
RNA_string_set(kmi->ptr, "path", "space_data.font_size");
RNA_boolean_set(kmi->ptr, "reverse", 1);
kmi = WM_keymap_add_item(keymap, "WM_OT_context_cycle_int", PADPLUSKEY, KM_PRESS, KM_CTRL, 0);
RNA_string_set(kmi->ptr, "path", "space_data.font_size");
RNA_boolean_set(kmi->ptr, "reverse", 0);
kmi = WM_keymap_add_item(keymap, "WM_OT_context_cycle_int", PADMINUS, KM_PRESS, KM_CTRL, 0);
RNA_string_set(kmi->ptr, "path", "space_data.font_size");
RNA_boolean_set(kmi->ptr, "reverse", 1);
WM_keymap_add_item(keymap, "TEXT_OT_new", NKEY, KM_PRESS, KM_ALT, 0);
WM_keymap_add_item(keymap, "TEXT_OT_open", OKEY, KM_PRESS, KM_ALT, 0);
WM_keymap_add_item(keymap, "TEXT_OT_reload", RKEY, KM_PRESS, KM_ALT, 0);
WM_keymap_add_item(keymap, "TEXT_OT_save", SKEY, KM_PRESS, KM_ALT, 0);
WM_keymap_add_item(keymap, "TEXT_OT_save_as", SKEY, KM_PRESS, KM_ALT|KM_SHIFT|KM_CTRL, 0);
WM_keymap_add_item(keymap, "TEXT_OT_run_script", PKEY, KM_PRESS, KM_ALT, 0);
WM_keymap_add_item(keymap, "TEXT_OT_cut", XKEY, KM_PRESS, KM_CTRL, 0);
WM_keymap_add_item(keymap, "TEXT_OT_copy", CKEY, KM_PRESS, KM_CTRL, 0);
WM_keymap_add_item(keymap, "TEXT_OT_paste", VKEY, KM_PRESS, KM_CTRL, 0);
if(U.uiflag & USER_MMB_PASTE) // XXX not dynamic
RNA_boolean_set(WM_keymap_add_item(keymap, "TEXT_OT_paste", MIDDLEMOUSE, KM_PRESS, 0, 0)->ptr, "selection", 1);
WM_keymap_add_item(keymap, "TEXT_OT_jump", JKEY, KM_PRESS, KM_CTRL, 0);
WM_keymap_add_item(keymap, "TEXT_OT_find", GKEY, KM_PRESS, KM_CTRL, 0);
WM_keymap_add_item(keymap, "TEXT_OT_properties", FKEY, KM_PRESS, KM_CTRL, 0);
WM_keymap_add_item(keymap, "TEXT_OT_replace", HKEY, KM_PRESS, KM_CTRL, 0);
WM_keymap_add_item(keymap, "TEXT_OT_to_3d_object", MKEY, KM_PRESS, KM_ALT, 0);
WM_keymap_add_item(keymap, "TEXT_OT_select_all", AKEY, KM_PRESS, KM_CTRL, 0);
WM_keymap_add_item(keymap, "TEXT_OT_select_line", AKEY, KM_PRESS, KM_SHIFT|KM_CTRL, 0);
WM_keymap_add_item(keymap, "TEXT_OT_indent", TABKEY, KM_PRESS, 0, 0);
WM_keymap_add_item(keymap, "TEXT_OT_unindent", TABKEY, KM_PRESS, KM_SHIFT, 0);
WM_keymap_add_item(keymap, "TEXT_OT_uncomment", DKEY, KM_PRESS, KM_CTRL|KM_SHIFT, 0);
RNA_enum_set(WM_keymap_add_item(keymap, "TEXT_OT_move", HOMEKEY, KM_PRESS, 0, 0)->ptr, "type", LINE_BEGIN);
RNA_enum_set(WM_keymap_add_item(keymap, "TEXT_OT_move", ENDKEY, KM_PRESS, 0, 0)->ptr, "type", LINE_END);
RNA_enum_set(WM_keymap_add_item(keymap, "TEXT_OT_move", EKEY, KM_PRESS, KM_CTRL, 0)->ptr, "type", LINE_END);
RNA_enum_set(WM_keymap_add_item(keymap, "TEXT_OT_move", EKEY, KM_PRESS, KM_CTRL|KM_SHIFT, 0)->ptr, "type", LINE_END);
RNA_enum_set(WM_keymap_add_item(keymap, "TEXT_OT_move", LEFTARROWKEY, KM_PRESS, 0, 0)->ptr, "type", PREV_CHAR);
RNA_enum_set(WM_keymap_add_item(keymap, "TEXT_OT_move", RIGHTARROWKEY, KM_PRESS, 0, 0)->ptr, "type", NEXT_CHAR);
RNA_enum_set(WM_keymap_add_item(keymap, "TEXT_OT_move", LEFTARROWKEY, KM_PRESS, KM_CTRL, 0)->ptr, "type", PREV_WORD);
RNA_enum_set(WM_keymap_add_item(keymap, "TEXT_OT_move", RIGHTARROWKEY, KM_PRESS, KM_CTRL, 0)->ptr, "type", NEXT_WORD);
RNA_enum_set(WM_keymap_add_item(keymap, "TEXT_OT_move", UPARROWKEY, KM_PRESS, 0, 0)->ptr, "type", PREV_LINE);
RNA_enum_set(WM_keymap_add_item(keymap, "TEXT_OT_move", DOWNARROWKEY, KM_PRESS, 0, 0)->ptr, "type", NEXT_LINE);
RNA_enum_set(WM_keymap_add_item(keymap, "TEXT_OT_move", PAGEUPKEY, KM_PRESS, 0, 0)->ptr, "type", PREV_PAGE);
RNA_enum_set(WM_keymap_add_item(keymap, "TEXT_OT_move", PAGEDOWNKEY, KM_PRESS, 0, 0)->ptr, "type", NEXT_PAGE);
RNA_enum_set(WM_keymap_add_item(keymap, "TEXT_OT_move_select", HOMEKEY, KM_PRESS, KM_SHIFT, 0)->ptr, "type", LINE_BEGIN);
RNA_enum_set(WM_keymap_add_item(keymap, "TEXT_OT_move_select", ENDKEY, KM_PRESS, KM_SHIFT, 0)->ptr, "type", LINE_END);
RNA_enum_set(WM_keymap_add_item(keymap, "TEXT_OT_move_select", LEFTARROWKEY, KM_PRESS, KM_SHIFT, 0)->ptr, "type", PREV_CHAR);
RNA_enum_set(WM_keymap_add_item(keymap, "TEXT_OT_move_select", RIGHTARROWKEY, KM_PRESS, KM_SHIFT, 0)->ptr, "type", NEXT_CHAR);
RNA_enum_set(WM_keymap_add_item(keymap, "TEXT_OT_move_select", LEFTARROWKEY, KM_PRESS, KM_SHIFT|KM_CTRL, 0)->ptr, "type", PREV_WORD);
RNA_enum_set(WM_keymap_add_item(keymap, "TEXT_OT_move_select", RIGHTARROWKEY, KM_PRESS, KM_SHIFT|KM_CTRL, 0)->ptr, "type", NEXT_WORD);
RNA_enum_set(WM_keymap_add_item(keymap, "TEXT_OT_move_select", UPARROWKEY, KM_PRESS, KM_SHIFT, 0)->ptr, "type", PREV_LINE);
RNA_enum_set(WM_keymap_add_item(keymap, "TEXT_OT_move_select", DOWNARROWKEY, KM_PRESS, KM_SHIFT, 0)->ptr, "type", NEXT_LINE);
RNA_enum_set(WM_keymap_add_item(keymap, "TEXT_OT_move_select", PAGEUPKEY, KM_PRESS, KM_SHIFT, 0)->ptr, "type", PREV_PAGE);
RNA_enum_set(WM_keymap_add_item(keymap, "TEXT_OT_move_select", PAGEDOWNKEY, KM_PRESS, KM_SHIFT, 0)->ptr, "type", NEXT_PAGE);
RNA_enum_set(WM_keymap_add_item(keymap, "TEXT_OT_delete", DELKEY, KM_PRESS, 0, 0)->ptr, "type", DEL_NEXT_CHAR);
RNA_enum_set(WM_keymap_add_item(keymap, "TEXT_OT_delete", DKEY, KM_PRESS, KM_CTRL, 0)->ptr, "type", DEL_NEXT_CHAR);
RNA_enum_set(WM_keymap_add_item(keymap, "TEXT_OT_delete", BACKSPACEKEY, KM_PRESS, 0, 0)->ptr, "type", DEL_PREV_CHAR);
RNA_enum_set(WM_keymap_add_item(keymap, "TEXT_OT_delete", DELKEY, KM_PRESS, KM_CTRL, 0)->ptr, "type", DEL_NEXT_WORD);
RNA_enum_set(WM_keymap_add_item(keymap, "TEXT_OT_delete", BACKSPACEKEY, KM_PRESS, KM_CTRL, 0)->ptr, "type", DEL_PREV_WORD);
WM_keymap_add_item(keymap, "TEXT_OT_overwrite_toggle", INSERTKEY, KM_PRESS, 0, 0);
WM_keymap_add_item(keymap, "TEXT_OT_scroll", MIDDLEMOUSE, KM_PRESS, 0, 0);
WM_keymap_add_item(keymap, "TEXT_OT_scroll", MOUSEPAN, 0, 0, 0);
WM_keymap_add_item(keymap, "TEXT_OT_scroll_bar", LEFTMOUSE, KM_PRESS, 0, 0);
WM_keymap_add_item(keymap, "TEXT_OT_cursor_set", LEFTMOUSE, KM_PRESS, 0, 0);
RNA_boolean_set(WM_keymap_add_item(keymap, "TEXT_OT_cursor_set", LEFTMOUSE, KM_PRESS, KM_SHIFT, 0)->ptr, "select", 1);
RNA_int_set(WM_keymap_add_item(keymap, "TEXT_OT_scroll", WHEELUPMOUSE, KM_PRESS, 0, 0)->ptr, "lines", -1);
RNA_int_set(WM_keymap_add_item(keymap, "TEXT_OT_scroll", WHEELDOWNMOUSE, KM_PRESS, 0, 0)->ptr, "lines", 1);
WM_keymap_add_item(keymap, "TEXT_OT_line_break", RETKEY, KM_PRESS, 0, 0);
WM_keymap_add_item(keymap, "TEXT_OT_line_break", PADENTER, KM_PRESS, 0, 0);
WM_keymap_add_item(keymap, "TEXT_OT_line_number", KM_TEXTINPUT, KM_ANY, KM_ANY, 0);
WM_keymap_add_item(keymap, "TEXT_OT_insert", KM_TEXTINPUT, KM_ANY, KM_ANY, 0); // last!
}
static int text_context(const bContext *C, const char *member, bContextDataResult *result)
{
SpaceText *st= CTX_wm_space_text(C);
if(CTX_data_dir(member)) {
static const char *dir[] = {"edit_text", NULL};
CTX_data_dir_set(result, dir);
return 1;
}
else if(CTX_data_equals(member, "edit_text")) {
CTX_data_id_pointer_set(result, &st->text->id);
return 1;
}
return 0;
}
/********************* main region ********************/
/* add handlers, stuff you only do once or on area/region changes */
static void text_main_area_init(wmWindowManager *wm, ARegion *ar)
{
wmKeyMap *keymap;
UI_view2d_region_reinit(&ar->v2d, V2D_COMMONVIEW_STANDARD, ar->winx, ar->winy);
/* own keymap */
keymap= WM_keymap_find(wm->defaultconf, "Text", SPACE_TEXT, 0);
WM_event_add_keymap_handler_bb(&ar->handlers, keymap, &ar->v2d.mask, &ar->winrct);
}
static void text_main_area_draw(const bContext *C, ARegion *ar)
{
/* draw entirely, view changes should be handled here */
SpaceText *st= CTX_wm_space_text(C);
//View2D *v2d= &ar->v2d;
float col[3];
/* clear and setup matrix */
UI_GetThemeColor3fv(TH_BACK, col);
glClearColor(col[0], col[1], col[2], 0.0);
glClear(GL_COLOR_BUFFER_BIT);
// UI_view2d_view_ortho(C, v2d);
/* data... */
draw_text_main(st, ar);
/* reset view matrix */
// UI_view2d_view_restore(C);
/* scrollers? */
}
static void text_cursor(wmWindow *win, ScrArea *sa, ARegion *ar)
{
WM_cursor_set(win, BC_TEXTEDITCURSOR);
}
/****************** header region ******************/
/* add handlers, stuff you only do once or on area/region changes */
static void text_header_area_init(wmWindowManager *wm, ARegion *ar)
{
ED_region_header_init(ar);
}
static void text_header_area_draw(const bContext *C, ARegion *ar)
{
ED_region_header(C, ar);
}
/****************** properties region ******************/
/* add handlers, stuff you only do once or on area/region changes */
static void text_properties_area_init(wmWindowManager *wm, ARegion *ar)
{
ED_region_panels_init(wm, ar);
}
static void text_properties_area_draw(const bContext *C, ARegion *ar)
{
ED_region_panels(C, ar, 1, NULL, -1);
}
/********************* registration ********************/
/* only called once, from space/spacetypes.c */
void ED_spacetype_text(void)
{
SpaceType *st= MEM_callocN(sizeof(SpaceType), "spacetype text");
ARegionType *art;
st->spaceid= SPACE_TEXT;
strncpy(st->name, "Text", BKE_ST_MAXNAME);
st->new= text_new;
st->free= text_free;
st->init= text_init;
st->duplicate= text_duplicate;
st->operatortypes= text_operatortypes;
st->keymap= text_keymap;
st->listener= text_listener;
st->context= text_context;
/* regions: main window */
art= MEM_callocN(sizeof(ARegionType), "spacetype text region");
art->regionid = RGN_TYPE_WINDOW;
art->init= text_main_area_init;
art->draw= text_main_area_draw;
art->cursor= text_cursor;
BLI_addhead(&st->regiontypes, art);
/* regions: properties */
art= MEM_callocN(sizeof(ARegionType), "spacetype text region");
art->regionid = RGN_TYPE_UI;
art->prefsizex= UI_COMPACT_PANEL_WIDTH;
art->keymapflag= ED_KEYMAP_UI|ED_KEYMAP_VIEW2D;
art->init= text_properties_area_init;
art->draw= text_properties_area_draw;
BLI_addhead(&st->regiontypes, art);
/* regions: header */
art= MEM_callocN(sizeof(ARegionType), "spacetype text region");
art->regionid = RGN_TYPE_HEADER;
art->prefsizey= HEADERY;
art->keymapflag= ED_KEYMAP_UI|ED_KEYMAP_VIEW2D|ED_KEYMAP_HEADER;
art->init= text_header_area_init;
art->draw= text_header_area_draw;
BLI_addhead(&st->regiontypes, art);
BKE_spacetype_register(st);
}
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