ui_node_string.cpp

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/*
Copyright (C) 2002-2020 UFO: Alien Invasion.

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.

*/

#include "../ui_nodes.h"
#include "../ui_font.h"
#include "../ui_parse.h"
#include "../ui_behaviour.h"
#include "../ui_tooltip.h"
#include "../ui_render.h"
#include "ui_node_string.h"
#include "ui_node_abstractnode.h"

#include "../../../common/scripts_lua.h"

#define EXTRADATA_TYPE stringExtraData_t
#define EXTRADATA(node) UI_EXTRADATA(node, EXTRADATA_TYPE)
#define EXTRADATACONST(node) UI_EXTRADATACONST(node, EXTRADATA_TYPE)

void uiStringNode::draw (uiNode_t* node)
{
    vec2_t nodepos;
    const char* font = UI_GetFontFromNode(node);
    const char* ref = UI_GetReferenceString(node, node->text);
    vec_t* color;

    if (!ref)
        return;
    UI_GetNodeAbsPos(node, nodepos);

    if (node->disabled)
        color = node->disabledColor;
    else
        color = node->color;

    R_Color(color);
    if (node->box.size[0] == 0)
        UI_DrawString(font, (align_t)node->contentAlign, nodepos[0], nodepos[1], nodepos[0], node->box.size[0], 0, ref);
    else
        UI_DrawStringInBox(font, (align_t)node->contentAlign, nodepos[0] + node->padding, nodepos[1] + node->padding, node->box.size[0] - node->padding - node->padding, node->box.size[1] - node->padding - node->padding, ref, (longlines_t) EXTRADATA(node).longlines);
    R_Color(nullptr);
}

void uiStringNode::drawTooltip (const uiNode_t* node, int x, int y) const
{
    if (node->tooltip) {
        UI_Tooltip(node, x, y);
        return;
    }
    const char* font = UI_GetFontFromNode(node);
    const char* text = UI_GetReferenceString(node, node->text);
    bool isTruncated;
    if (!text)
        return;

    const int maxWidth = node->box.size[0] - node->padding - node->padding;
    const longlines_t longLines = (longlines_t)EXTRADATACONST(node).longlines;
    R_FontTextSize(font, text, maxWidth, longLines, nullptr, nullptr, nullptr, &isTruncated);
    if (!isTruncated)
        return;

    const int tooltipWidth = 250;
    static char tooltiptext[256];
    tooltiptext[0] = '\0';
    Q_strcat(tooltiptext, sizeof(tooltiptext), "%s", text);
    UI_DrawTooltip(tooltiptext, x, y, tooltipWidth);
}

void uiStringNode::onLoading (uiNode_t* node)
{
    node->padding = 3;
    Vector4Set(node->color, 1.0, 1.0, 1.0, 1.0);
    Vector4Set(node->disabledColor, 0.5, 0.5, 0.5, 1.0);
    EXTRADATA(node).longlines = LONGLINES_PRETTYCHOP;
}

void UI_RegisterStringNode (uiBehaviour_t* behaviour)
{
    behaviour->name = "string";
    behaviour->manager = UINodePtr(new uiStringNode());
    behaviour->extraDataSize = sizeof(EXTRADATA_TYPE);
    behaviour->lua_SWIG_typeinfo = UI_SWIG_TypeQuery("uiStringNode_t *");

    /* What to do with text lines longer than node width. Default is to wordwrap them to make multiple lines.
     * It can be LONGLINES_WRAP, LONGLINES_CHOP, LONGLINES_PRETTYCHOP
     */
    UI_RegisterExtradataNodeProperty(behaviour, "longlines", V_INT, EXTRADATA_TYPE, longlines);
}