4caa8326ab
git-svn-id: svn://svn.rockbox.org/rockbox/trunk@28009 a1c6a512-1295-4272-9138-f99709370657
123 lines
4.3 KiB
C
123 lines
4.3 KiB
C
/***************************************************************************
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* __________ __ ___.
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* Open \______ \ ____ ____ | | _\_ |__ _______ ___
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* Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
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* Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
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* Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
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* \/ \/ \/ \/ \/
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* $Id$
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*
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* Copyright (C) 2009 - Jonathan Gordon
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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 software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
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* KIND, either express or implied.
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*
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****************************************************************************/
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#include "config.h"
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#include <stdio.h>
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#include "action.h"
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#include "skin_engine.h"
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#include "wps_internals.h"
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/** Disarms all touchregions. */
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void skin_disarm_touchregions(struct wps_data *data)
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{
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struct skin_token_list *regions = data->touchregions;
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while (regions)
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{
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((struct touchregion *)regions->token->value.data)->armed = false;
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regions = regions->next;
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}
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}
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/* Get the touched action.
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* egde_offset is a percentage value for the position of the touch
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* inside the bar for regions which arnt WPS_TOUCHREGION_ACTION type.
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*/
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int skin_get_touchaction(struct wps_data *data, int* edge_offset,
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struct touchregion **retregion)
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{
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int returncode = ACTION_NONE;
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short x,y;
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short vx, vy;
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int type = action_get_touchscreen_press(&x, &y);
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static int last_action = ACTION_NONE;
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struct touchregion *r;
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bool repeated = (type == BUTTON_REPEAT);
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bool released = (type == BUTTON_REL);
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bool pressed = (type == BUTTON_TOUCHSCREEN);
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struct skin_token_list *regions = data->touchregions;
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while (regions)
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{
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r = (struct touchregion *)regions->token->value.data;
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/* make sure this region's viewport is visible */
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if (r->wvp->hidden_flags&VP_DRAW_HIDDEN)
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{
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regions = regions->next;
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continue;
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}
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/* check if it's inside this viewport */
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if (viewport_point_within_vp(&(r->wvp->vp), x, y))
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{ /* reposition the touch inside the viewport since touchregions
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* are relative to a preceding viewport */
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vx = x - r->wvp->vp.x;
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vy = y - r->wvp->vp.y;
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/* now see if the point is inside this region */
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if (vx >= r->x && vx < r->x+r->width &&
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vy >= r->y && vy < r->y+r->height)
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{
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/* reposition the touch within the area */
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vx -= r->x;
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vy -= r->y;
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switch(r->type)
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{
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case WPS_TOUCHREGION_ACTION:
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if (r->armed && ((repeated && r->repeat) || (released && !r->repeat)))
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{
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last_action = r->action;
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returncode = r->action;
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if (retregion)
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*retregion = r;
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}
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if (pressed)
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r->armed = true;
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break;
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default:
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if (edge_offset)
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{
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if(r->width > r->height)
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*edge_offset = vx*100/r->width;
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else
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*edge_offset = vy*100/r->height;
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if (r->reverse_bar)
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*edge_offset = 100 - *edge_offset;
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}
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returncode = r->type;
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if (retregion)
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*retregion = r;
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break;
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}
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}
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}
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regions = regions->next;
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}
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/* On release, all regions are disarmed. */
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if (released)
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skin_disarm_touchregions(data);
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if (returncode != ACTION_NONE)
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return returncode;
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last_action = ACTION_TOUCHSCREEN;
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return ACTION_TOUCHSCREEN;
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}
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