151 lines
5.8 KiB
C
151 lines
5.8 KiB
C
/*
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* ***** BEGIN GPL LICENSE BLOCK *****
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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*
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* The Original Code is Copyright (C) 2001-2002 by NaN Holding BV.
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* All rights reserved.
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*
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* The Original Code is: all of this file.
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*
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* Contributor(s): Joshua Leung
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*
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* ***** END GPL LICENSE BLOCK *****
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*/
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/** \file DNA_view2d_types.h
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* \ingroup DNA
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*/
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#ifndef __DNA_VIEW2D_TYPES_H__
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#define __DNA_VIEW2D_TYPES_H__
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#include "DNA_vec_types.h"
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/* ---------------------------------- */
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/* View 2D data - stored per region */
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typedef struct View2D {
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rctf tot, cur; /* tot - area that data can be drawn in; cur - region of tot that is visible in viewport */
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rcti vert, hor; /* vert - vertical scrollbar region; hor - horizontal scrollbar region */
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rcti mask; /* mask - region (in screenspace) within which 'cur' can be viewed */
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float min[2], max[2]; /* min/max sizes of 'cur' rect (only when keepzoom not set) */
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float minzoom, maxzoom; /* self explanatory. allowable zoom factor range (only when keepzoom set) */
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short scroll; /* scroll - scrollbars to display (bitflag) */
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short scroll_ui; /* scroll_ui - temp settings used for UI drawing of scrollers */
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short keeptot; /* keeptot - 'cur' rect cannot move outside the 'tot' rect? */
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short keepzoom; /* keepzoom - axes that zooming cannot occur on, and also clamp within zoom-limits */
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short keepofs; /* keepofs - axes that translation is not allowed to occur on */
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short flag; /* settings */
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short align; /* alignment of content in totrect */
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short winx, winy; /* storage of current winx/winy values, set in UI_view2d_size_update */
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short oldwinx, oldwiny; /* storage of previous winx/winy values encountered by UI_view2d_curRect_validate(), for keepaspect */
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short around; /* pivot point for transforms (rotate and scale) */
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float *tab_offset; /* different offset per tab, for buttons */
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int tab_num; /* number of tabs stored */
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int tab_cur; /* current tab */
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} View2D;
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/* ---------------------------------- */
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/* view zooming restrictions, per axis (v2d->keepzoom) */
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/* zoom is clamped to lie within limits set by minzoom and maxzoom */
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#define V2D_LIMITZOOM 0x0001
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/* aspect ratio is maintained on view resize */
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#define V2D_KEEPASPECT 0x0002
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/* zoom is kept when the window resizes */
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#define V2D_KEEPZOOM 0x0004
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/* zooming on x-axis is not allowed */
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#define V2D_LOCKZOOM_X 0x0100
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/* zooming on y-axis is not allowed */
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#define V2D_LOCKZOOM_Y 0x0200
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/* view panning restrictions, per axis (v2d->keepofs) */
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/* panning on x-axis is not allowed */
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#define V2D_LOCKOFS_X (1<<1)
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/* panning on y-axis is not allowed */
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#define V2D_LOCKOFS_Y (1<<2)
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/* on resize, keep the x offset */
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#define V2D_KEEPOFS_X (1<<3)
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/* on resize, keep the y offset */
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#define V2D_KEEPOFS_Y (1<<4)
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/* view extent restrictions (v2d->keeptot) */
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/* 'cur' view can be out of extents of 'tot' */
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#define V2D_KEEPTOT_FREE 0
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/* 'cur' rect is adjusted so that it satisfies the extents of 'tot', with some compromises */
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#define V2D_KEEPTOT_BOUNDS 1
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/* 'cur' rect is moved so that the 'minimum' bounds of the 'tot' rect are always respected (particularly in x-axis) */
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#define V2D_KEEPTOT_STRICT 2
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/* general refresh settings (v2d->flag) */
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/* global view2d horizontal locking (for showing same time interval) */
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#define V2D_VIEWSYNC_SCREEN_TIME (1<<0)
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/* within area (i.e. between regions) view2d vertical locking */
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#define V2D_VIEWSYNC_AREA_VERTICAL (1<<1)
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/* apply pixel offsets on x-axis when setting view matrices */
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#define V2D_PIXELOFS_X (1<<2)
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/* apply pixel offsets on y-axis when setting view matrices */
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#define V2D_PIXELOFS_Y (1<<3)
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/* view settings need to be set still... */
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#define V2D_IS_INITIALISED (1<<10)
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/* scroller flags for View2D (v2d->scroll) */
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/* left scrollbar */
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#define V2D_SCROLL_LEFT (1<<0)
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#define V2D_SCROLL_RIGHT (1<<1)
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#define V2D_SCROLL_VERTICAL (V2D_SCROLL_LEFT|V2D_SCROLL_RIGHT)
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/* horizontal scrollbar */
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#define V2D_SCROLL_TOP (1<<2)
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#define V2D_SCROLL_BOTTOM (1<<3)
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/* special hack for outliner hscroll - prevent hanging older versions of Blender */
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#define V2D_SCROLL_BOTTOM_O (1<<4)
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#define V2D_SCROLL_HORIZONTAL (V2D_SCROLL_TOP|V2D_SCROLL_BOTTOM|V2D_SCROLL_BOTTOM_O)
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/* scale markings - vertical */
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#define V2D_SCROLL_SCALE_VERTICAL (1<<5)
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/* scale markings - horizontal */
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#define V2D_SCROLL_SCALE_HORIZONTAL (1<<6)
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/* induce hiding of scrollbars - set by region drawing in response to size of region */
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#define V2D_SCROLL_VERTICAL_HIDE (1<<7)
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#define V2D_SCROLL_HORIZONTAL_HIDE (1<<8)
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/* scrollbar extends beyond its available window - set when calculating scrollbars for drawing */
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#define V2D_SCROLL_VERTICAL_FULLR (1<<9)
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#define V2D_SCROLL_HORIZONTAL_FULLR (1<<10)
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/* scroll_ui, activate flag for drawing */
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#define V2D_SCROLL_H_ACTIVE (1<<0)
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#define V2D_SCROLL_V_ACTIVE (1<<1)
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/* alignment flags for totrect, flags use 'shading-out' convention (v2d->align) */
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/* all quadrants free */
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#define V2D_ALIGN_FREE 0
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/* horizontal restrictions */
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#define V2D_ALIGN_NO_POS_X (1<<0)
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#define V2D_ALIGN_NO_NEG_X (1<<1)
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/* vertical restrictions */
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#define V2D_ALIGN_NO_POS_Y (1<<2)
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#define V2D_ALIGN_NO_NEG_Y (1<<3)
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#endif
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