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blender-archive/source/blender/editors/interface/interface_intern.h
Campbell Barton 7d8f0fce7a patch [#23758] Better handling of UTF chars in UNITS fields (lengths, angles, etc.) 
from Lorenzo Tozzi (oni_niubbo) with minor edits.

--- from the tracker
The present situation is this: due to bug#22274, during editing, UTF chars are stripped from buttons with a unit associated
(length, angles, etc.).
Example: if the button displays '90°' and you click on it with LMB, the editing string will become '90'.

The problem arises if you use microns: '34µm' becomes '34' that blender interprets as 34 meters. So clicking on a button
and hitting enter won't confirm the previous value, but will change it (very badly also).

Of course nobody is using microns in blender, but the problem will arise when we will implement areas and option 'Separate
Units' will be enabled. The value '2m² 3cm²' will become '2m' during editing.

This patch solves the problem rewriting the string in a smarter way than just stripping the UTF chars: the unit is translated
from unit->name_short ('µm') to unit->name_alt ('um'). So clicking on '34µm' the editing string will become
'34um'.
--- end

note: rather then allowing empty strings in name_alt field I made it so if the unit system was the default one a NULL name_alt will just strip the string, since its the default its not needed.
2010-09-15 17:37:00 +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., 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.
*
* The Original Code is: all of this file.
*
* Contributor(s): none yet.
*
* ***** END GPL LICENSE BLOCK *****
*/
#ifndef INTERFACE_H
#define INTERFACE_H
#include "UI_resources.h"
#include "RNA_types.h"
struct ARegion;
struct bContext;
struct IDProperty;
struct uiHandleButtonData;
struct wmEvent;
struct wmOperatorType;
struct wmWindow;
struct uiStyle;
struct uiWidgetColors;
struct uiLayout;
struct bContextStore;
struct Scene;
struct ID;
struct ImBuf;
/* ****************** general defines ************** */
/* visual types for drawing */
/* for time being separated from functional types */
typedef enum {
/* default */
UI_WTYPE_REGULAR,
/* standard set */
UI_WTYPE_LABEL,
UI_WTYPE_TOGGLE,
UI_WTYPE_OPTION,
UI_WTYPE_RADIO,
UI_WTYPE_NUMBER,
UI_WTYPE_SLIDER,
UI_WTYPE_EXEC,
/* strings */
UI_WTYPE_NAME,
UI_WTYPE_NAME_LINK,
UI_WTYPE_POINTER_LINK,
UI_WTYPE_FILENAME,
/* menus */
UI_WTYPE_MENU_RADIO,
UI_WTYPE_MENU_ICON_RADIO,
UI_WTYPE_MENU_POINTER_LINK,
UI_WTYPE_PULLDOWN,
UI_WTYPE_MENU_ITEM,
UI_WTYPE_MENU_BACK,
/* specials */
UI_WTYPE_ICON,
UI_WTYPE_SWATCH,
UI_WTYPE_RGB_PICKER,
UI_WTYPE_NORMAL,
UI_WTYPE_BOX,
UI_WTYPE_SCROLL,
UI_WTYPE_LISTITEM,
UI_WTYPE_PROGRESSBAR,
} uiWidgetTypeEnum;
#define UI_MAX_DRAW_STR 400
#define UI_MAX_NAME_STR 128
#define UI_ARRAY 29
/* panel limits */
#define UI_PANEL_MINX 100
#define UI_PANEL_MINY 70
/* uiBut->flag */
#define UI_SELECT 1
#define UI_MOUSE_OVER 2
#define UI_ACTIVE 4
#define UI_HAS_ICON 8
#define UI_TEXTINPUT 16
#define UI_HIDDEN 32
/* warn: rest of uiBut->flag in UI_interface.h */
/* internal panel drawing defines */
#define PNL_GRID 4
#define PNL_HEADER 20
/* panel->flag */
#define PNL_SELECT 1
#define PNL_CLOSEDX 2
#define PNL_CLOSEDY 4
#define PNL_CLOSED 6
#define PNL_TABBED 8
#define PNL_OVERLAP 16
/* Button text selection:
* extension direction, selextend, inside ui_do_but_TEX */
#define EXTEND_LEFT 1
#define EXTEND_RIGHT 2
/* for scope resize zone */
#define SCOPE_RESIZE_PAD 9
typedef struct {
short xim, yim;
unsigned int *rect;
short xofs, yofs;
} uiIconImage;
typedef struct uiLinkLine { /* only for draw/edit */
struct uiLinkLine *next, *prev;
short flag, pad;
struct uiBut *from, *to;
} uiLinkLine;
typedef struct {
void **poin; /* pointer to original pointer */
void ***ppoin; /* pointer to original pointer-array */
short *totlink; /* if pointer-array, here is the total */
short maxlink, pad;
short fromcode, tocode;
ListBase lines;
} uiLink;
struct uiBut {
struct uiBut *next, *prev;
short type, pointype, bit, bitnr, retval, strwidth, ofs, pos, selsta, selend;
short alignnr;
int flag;
char *str;
char strdata[UI_MAX_NAME_STR];
char drawstr[UI_MAX_DRAW_STR];
float x1, y1, x2, y2;
char *poin;
float hardmin, hardmax, softmin, softmax;
float a1, a2, hsv[3]; // hsv is temp memory for hsv buttons
float aspect;
uiButHandleFunc func;
void *func_arg1;
void *func_arg2;
void *func_arg3;
uiButHandleNFunc funcN;
void *func_argN;
struct bContextStore *context;
/* not ysed yet, was used in 2.4x for ui_draw_pulldown_round & friends */
/*
void (*embossfunc)(int , int , float, float, float, float, float, int);
void (*sliderfunc)(int , float, float, float, float, float, float, int);
*/
uiButCompleteFunc autocomplete_func;
void *autofunc_arg;
uiButSearchFunc search_func;
void *search_arg;
uiButHandleRenameFunc rename_func;
void *rename_arg1;
void *rename_orig;
uiLink *link;
short linkto[2];
char *tip, *lockstr;
BIFIconID icon;
short but_align; /* aligning buttons, horiz/vertical */
short lock;
short modifier_key;
short iconadd, dt;
/* IDPOIN data */
uiIDPoinFuncFP idpoin_func;
ID **idpoin_idpp;
/* BLOCK data */
uiBlockCreateFunc block_create_func;
/* PULLDOWN/MENU data */
uiMenuCreateFunc menu_create_func;
/* RNA data */
struct PointerRNA rnapoin;
struct PropertyRNA *rnaprop;
int rnaindex;
struct PointerRNA rnasearchpoin;
struct PropertyRNA *rnasearchprop;
/* Operator data */
struct wmOperatorType *optype;
struct IDProperty *opproperties;
struct PointerRNA *opptr;
short opcontext;
/* Draggable data, type is WM_DRAG_... */
short dragtype;
void *dragpoin;
struct ImBuf *imb;
float imb_scale;
/* active button data */
struct uiHandleButtonData *active;
char *editstr;
double *editval;
float *editvec;
void *editcoba;
void *editcumap;
/* pointer back */
uiBlock *block;
};
struct uiBlock {
uiBlock *next, *prev;
ListBase buttons;
Panel *panel;
uiBlock *oldblock;
ListBase layouts;
struct uiLayout *curlayout;
ListBase contexts;
char name[UI_MAX_NAME_STR];
float winmat[4][4];
float minx, miny, maxx, maxy;
float aspect;
short alignnr;
uiButHandleFunc func;
void *func_arg1;
void *func_arg2;
uiButHandleNFunc funcN;
void *func_argN;
uiMenuHandleFunc butm_func;
void *butm_func_arg;
uiBlockHandleFunc handle_func;
void *handle_func_arg;
/* custom extra handling */
int (*block_event_func)(const struct bContext *C, struct uiBlock *, struct wmEvent *);
/* extra draw function for custom blocks */
void (*drawextra)(const struct bContext *C, void *idv, void *arg1, void *arg2, rcti *rect);
void *drawextra_arg1;
void *drawextra_arg2;
int afterval, flag;
short direction, dt;
short auto_open, in_use;
double auto_open_last;
int lock;
char *lockstr;
float xofs, yofs; // offset to parent button
int dobounds, mx, my; // for doing delayed
int bounds, minbounds; // for doing delayed
int endblock; // uiEndBlock done?
rctf safety; // pulldowns, to detect outside, can differ per case how it is created
ListBase saferct; // uiSafetyRct list
uiPopupBlockHandle *handle; // handle
int tooltipdisabled; // to avoid tooltip after click
int active; // to keep blocks while drawing and free them afterwards
int puphash; // popup menu hash for memory
int color_profile; // color profile for correcting linear colors for display
void *evil_C; // XXX hack for dynamic operator enums
};
typedef struct uiSafetyRct {
struct uiSafetyRct *next, *prev;
rctf parent;
rctf safety;
} uiSafetyRct;
/* interface.c */
extern void ui_delete_linkline(uiLinkLine *line, uiBut *but);
extern int ui_translate_buttons(void);
extern int ui_translate_menus(void);
extern int ui_translate_tooltips(void);
void ui_fontscale(short *points, float aspect);
extern void ui_block_to_window_fl(const struct ARegion *ar, uiBlock *block, float *x, float *y);
extern void ui_block_to_window(const struct ARegion *ar, uiBlock *block, int *x, int *y);
extern void ui_block_to_window_rct(const struct ARegion *ar, uiBlock *block, rctf *graph, rcti *winr);
extern void ui_window_to_block_fl(const struct ARegion *ar, uiBlock *block, float *x, float *y);
extern void ui_window_to_block(const struct ARegion *ar, uiBlock *block, int *x, int *y);
extern void ui_window_to_region(const ARegion *ar, int *x, int *y);
extern double ui_get_but_val(uiBut *but);
extern void ui_set_but_val(uiBut *but, double value);
extern void ui_set_but_hsv(uiBut *but);
extern void ui_get_but_vectorf(uiBut *but, float *vec);
extern void ui_set_but_vectorf(uiBut *but, float *vec);
extern void ui_hsvcircle_vals_from_pos(float *valrad, float *valdist, rcti *rect, float mx, float my);
extern void ui_get_but_string(uiBut *but, char *str, int maxlen);
extern void ui_convert_to_unit_alt_name(uiBut *but, char *str, int maxlen);
extern int ui_set_but_string(struct bContext *C, uiBut *but, const char *str);
extern int ui_get_but_string_max_length(uiBut *but);
extern void ui_set_but_default(struct bContext *C, uiBut *but);
extern void ui_set_but_soft_range(uiBut *but, double value);
extern void ui_check_but(uiBut *but);
extern int ui_is_but_float(uiBut *but);
extern int ui_is_but_unit(uiBut *but);
extern void ui_bounds_block(uiBlock *block);
extern void ui_block_translate(uiBlock *block, int x, int y);
extern void ui_block_do_align(uiBlock *block);
/* interface_regions.c */
struct uiPopupBlockHandle {
/* internal */
struct ARegion *region;
int towardsx, towardsy;
double towardstime;
int dotowards;
int popup;
void (*popup_func)(struct bContext *C, void *arg, int event);
void (*cancel_func)(void *arg);
void *popup_arg;
/* for operator popups */
struct wmOperatorType *optype;
int opcontext;
ScrArea *ctx_area;
ARegion *ctx_region;
/* return values */
int butretval;
int menuretval;
float retvalue;
float retvec[4];
};
uiBlock *ui_block_func_COL(struct bContext *C, uiPopupBlockHandle *handle, void *arg_but);
void ui_block_func_ICONROW(struct bContext *C, uiLayout *layout, void *arg_but);
void ui_block_func_ICONTEXTROW(struct bContext *C, uiLayout *layout, void *arg_but);
struct ARegion *ui_tooltip_create(struct bContext *C, struct ARegion *butregion, uiBut *but);
void ui_tooltip_free(struct bContext *C, struct ARegion *ar);
uiBut *ui_popup_menu_memory(uiBlock *block, uiBut *but);
/* searchbox for string button */
ARegion *ui_searchbox_create(struct bContext *C, struct ARegion *butregion, uiBut *but);
int ui_searchbox_inside(struct ARegion *ar, int x, int y);
void ui_searchbox_update(struct bContext *C, struct ARegion *ar, uiBut *but, int reset);
void ui_searchbox_autocomplete(struct bContext *C, struct ARegion *ar, uiBut *but, char *str);
void ui_searchbox_event(struct bContext *C, struct ARegion *ar, uiBut *but, struct wmEvent *event);
void ui_searchbox_apply(uiBut *but, struct ARegion *ar);
void ui_searchbox_free(struct bContext *C, struct ARegion *ar);
typedef uiBlock* (*uiBlockHandleCreateFunc)(struct bContext *C, struct uiPopupBlockHandle *handle, void *arg1);
uiPopupBlockHandle *ui_popup_block_create(struct bContext *C, struct ARegion *butregion, uiBut *but,
uiBlockCreateFunc create_func, uiBlockHandleCreateFunc handle_create_func, void *arg);
uiPopupBlockHandle *ui_popup_menu_create(struct bContext *C, struct ARegion *butregion, uiBut *but,
uiMenuCreateFunc create_func, void *arg, char *str);
void ui_popup_block_free(struct bContext *C, uiPopupBlockHandle *handle);
void ui_set_name_menu(uiBut *but, int value);
int ui_step_name_menu(uiBut *but, int step);
struct AutoComplete;
struct AutoComplete *autocomplete_begin(char *startname, int maxlen);
void autocomplete_do_name(struct AutoComplete *autocpl, const char *name);
void autocomplete_end(struct AutoComplete *autocpl, char *autoname);
/* interface_panel.c */
extern int ui_handler_panel_region(struct bContext *C, struct wmEvent *event);
extern void ui_draw_aligned_panel(struct ARegion *ar, struct uiStyle *style, uiBlock *block, rcti *rect);
/* interface_draw.c */
extern void ui_dropshadow(rctf *rct, float radius, float aspect, int select);
void ui_draw_gradient(rcti *rect, float *rgb, int type, float alpha);
void ui_draw_but_HISTOGRAM(ARegion *ar, uiBut *but, struct uiWidgetColors *wcol, rcti *rect);
void ui_draw_but_WAVEFORM(ARegion *ar, uiBut *but, struct uiWidgetColors *wcol, rcti *rect);
void ui_draw_but_VECTORSCOPE(ARegion *ar, uiBut *but, struct uiWidgetColors *wcol, rcti *rect);
void ui_draw_but_COLORBAND(uiBut *but, struct uiWidgetColors *wcol, rcti *rect);
void ui_draw_but_NORMAL(uiBut *but, struct uiWidgetColors *wcol, rcti *rect);
void ui_draw_but_CURVE(ARegion *ar, uiBut *but, struct uiWidgetColors *wcol, rcti *rect);
void ui_draw_but_IMAGE(ARegion *ar, uiBut *but, struct uiWidgetColors *wcol, rcti *rect);
/* interface_handlers.c */
extern void ui_button_activate_do(struct bContext *C, struct ARegion *ar, uiBut *but);
extern void ui_button_active_free(const struct bContext *C, uiBut *but);
extern int ui_button_is_active(struct ARegion *ar);
/* interface_widgets.c */
void ui_draw_anti_tria(float x1, float y1, float x2, float y2, float x3, float y3);
void ui_draw_menu_back(struct uiStyle *style, uiBlock *block, rcti *rect);
void ui_draw_search_back(struct uiStyle *style, uiBlock *block, rcti *rect);
int ui_link_bezier_points(rcti *rect, float coord_array[][2], int resol);
void ui_draw_link_bezier(rcti *rect);
extern void ui_draw_but(const struct bContext *C, ARegion *ar, struct uiStyle *style, uiBut *but, rcti *rect);
/* theme color init */
struct ThemeUI;
void ui_widget_color_init(struct ThemeUI *tui);
void ui_draw_menu_item(struct uiFontStyle *fstyle, rcti *rect, char *name, int iconid, int state);
void ui_draw_preview_item(struct uiFontStyle *fstyle, rcti *rect, char *name, int iconid, int state);
/* interface_style.c */
void uiStyleInit(void);
/* interface_icons.c */
void ui_id_icon_render(struct bContext *C, struct ID *id, int preview);
int ui_id_icon_get(struct bContext *C, struct ID *id, int preview);
/* resources.c */
void init_userdef_do_versions(void);
void ui_theme_init_default(void);
void ui_resources_init(void);
void ui_resources_free(void);
/* interface_layout.c */
void ui_layout_add_but(uiLayout *layout, uiBut *but);
int ui_but_can_align(uiBut *but);
void ui_but_add_search(uiBut *but, PointerRNA *ptr, PropertyRNA *prop, PointerRNA *searchptr, PropertyRNA *searchprop);
/* interface_anim.c */
void ui_but_anim_flag(uiBut *but, float cfra);
void ui_but_anim_insert_keyframe(struct bContext *C);
void ui_but_anim_delete_keyframe(struct bContext *C);
void ui_but_anim_add_driver(struct bContext *C);
void ui_but_anim_remove_driver(struct bContext *C);
void ui_but_anim_copy_driver(struct bContext *C);
void ui_but_anim_paste_driver(struct bContext *C);
void ui_but_anim_add_keyingset(struct bContext *C);
void ui_but_anim_remove_keyingset(struct bContext *C);
int ui_but_anim_expression_get(uiBut *but, char *str, int maxlen);
int ui_but_anim_expression_set(uiBut *but, const char *str);
void ui_but_anim_autokey(struct bContext *C, uiBut *but, struct Scene *scene, float cfra);
#endif
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