186 lines
6.0 KiB
C
186 lines
6.0 KiB
C
/*
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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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/** \file
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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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/** Tot - area that data can be drawn in; cur - region of tot that is visible in viewport. */
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rctf tot, cur;
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/** Vert - vertical scrollbar region; hor - horizontal scrollbar region. */
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rcti vert, hor;
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/** Mask - region (in screenspace) within which 'cur' can be viewed. */
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rcti mask;
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/** Min/max sizes of 'cur' rect (only when keepzoom not set). */
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float min[2], max[2];
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/** Allowable zoom factor range (only when (keepzoom & V2D_LIMITZOOM)) is set. */
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float minzoom, maxzoom;
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/** Scroll - scrollbars to display (bitflag). */
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short scroll;
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/** Scroll_ui - temp settings used for UI drawing of scrollers. */
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short scroll_ui;
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/** Keeptot - 'cur' rect cannot move outside the 'tot' rect?. */
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short keeptot;
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/** Keepzoom - axes that zooming cannot occur on, and also clamp within zoom-limits. */
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short keepzoom;
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/** Keepofs - axes that translation is not allowed to occur on. */
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short keepofs;
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/** Settings. */
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short flag;
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/** Alignment of content in totrect. */
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short align;
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/** Storage of current winx/winy values, set in UI_view2d_size_update. */
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short winx, winy;
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/** Storage of previous winx/winy values encountered by UI_view2d_curRect_validate(),
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* for keepaspect. */
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short oldwinx, oldwiny;
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/** Pivot point for transforms (rotate and scale). */
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short around;
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/** Different offset per tab, for buttons. */
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float *tab_offset;
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/** Number of tabs stored. */
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int tab_num;
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/** Current tab. */
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int tab_cur;
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/* Usually set externally (as in, not in view2d files). */
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/** Alpha of vertical and horizontal scrollbars (range is [0, 255]). */
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char alpha_vert, alpha_hor;
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char _pad[6];
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/* animated smooth view */
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struct SmoothView2DStore *sms;
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struct wmTimer *smooth_timer;
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} View2D;
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/* ---------------------------------- */
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/* view zooming restrictions, per axis (v2d->keepzoom) */
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enum {
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/* zoom is clamped to lie within limits set by minzoom and maxzoom */
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V2D_LIMITZOOM = (1 << 0),
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/* aspect ratio is maintained on view resize */
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V2D_KEEPASPECT = (1 << 1),
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/* zoom is kept when the window resizes */
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V2D_KEEPZOOM = (1 << 2),
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/* zooming on x-axis is not allowed */
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V2D_LOCKZOOM_X = (1 << 8),
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/* zooming on y-axis is not allowed */
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V2D_LOCKZOOM_Y = (1 << 9),
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};
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/* view panning restrictions, per axis (v2d->keepofs) */
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enum {
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/* panning on x-axis is not allowed */
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V2D_LOCKOFS_X = (1 << 1),
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/* panning on y-axis is not allowed */
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V2D_LOCKOFS_Y = (1 << 2),
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/* on resize, keep the x offset */
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V2D_KEEPOFS_X = (1 << 3),
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/* on resize, keep the y offset */
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V2D_KEEPOFS_Y = (1 << 4),
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};
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/* view extent restrictions (v2d->keeptot) */
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enum {
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/** 'cur' view can be out of extents of 'tot' */
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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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V2D_KEEPTOT_BOUNDS = 1,
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/** 'cur' rect is moved so that the 'minimum' bounds of the 'tot' rect are always respected
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* (particularly in x-axis) */
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V2D_KEEPTOT_STRICT = 2,
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};
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/* general refresh settings (v2d->flag) */
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enum {
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/* global view2d horizontal locking (for showing same time interval) */
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/* TODO: this flag may be set in old files but is not accessible currently,
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* should be exposed from RNA - Campbell */
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V2D_VIEWSYNC_SCREEN_TIME = (1 << 0),
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/* within area (i.e. between regions) view2d vertical locking */
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V2D_VIEWSYNC_AREA_VERTICAL = (1 << 1),
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/* apply pixel offsets on x-axis when setting view matrices */
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V2D_PIXELOFS_X = (1 << 2),
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/* apply pixel offsets on y-axis when setting view matrices */
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V2D_PIXELOFS_Y = (1 << 3),
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/* view settings need to be set still... */
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V2D_IS_INITIALISED = (1 << 10),
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};
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/* scroller flags for View2D (v2d->scroll) */
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enum {
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/* left scrollbar */
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V2D_SCROLL_LEFT = (1 << 0),
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V2D_SCROLL_RIGHT = (1 << 1),
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V2D_SCROLL_VERTICAL = (V2D_SCROLL_LEFT | V2D_SCROLL_RIGHT),
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/* horizontal scrollbar */
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V2D_SCROLL_TOP = (1 << 2),
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V2D_SCROLL_BOTTOM = (1 << 3),
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/* UNUSED = (1 << 4), */
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V2D_SCROLL_HORIZONTAL = (V2D_SCROLL_TOP | V2D_SCROLL_BOTTOM),
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/* display vertical scale handles */
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V2D_SCROLL_VERTICAL_HANDLES = (1 << 5),
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/* display horizontal scale handles */
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V2D_SCROLL_HORIZONTAL_HANDLES = (1 << 6),
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/* induce hiding of scrollbars - set by region drawing in response to size of region */
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V2D_SCROLL_VERTICAL_HIDE = (1 << 7),
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V2D_SCROLL_HORIZONTAL_HIDE = (1 << 8),
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/* scrollbar extends beyond its available window -
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* set when calculating scrollbars for drawing */
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V2D_SCROLL_VERTICAL_FULLR = (1 << 9),
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V2D_SCROLL_HORIZONTAL_FULLR = (1 << 10),
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};
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/* scroll_ui, activate flag for drawing */
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enum {
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V2D_SCROLL_H_ACTIVE = (1 << 0),
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V2D_SCROLL_V_ACTIVE = (1 << 1),
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};
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/* alignment flags for totrect, flags use 'shading-out' convention (v2d->align) */
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enum {
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/* all quadrants free */
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V2D_ALIGN_FREE = 0,
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/* horizontal restrictions */
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V2D_ALIGN_NO_POS_X = (1 << 0),
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V2D_ALIGN_NO_NEG_X = (1 << 1),
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/* vertical restrictions */
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V2D_ALIGN_NO_POS_Y = (1 << 2),
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V2D_ALIGN_NO_NEG_Y = (1 << 3),
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};
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#endif
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