ui_node_string.c

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/*
Copyright (C) 2002-2010 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_tooltip.h"
#include "../ui_render.h"
#include "ui_node_string.h"
#include "ui_node_abstractnode.h"

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

static void UI_StringNodeDraw (uiNode_t *node)
{
    vec2_t nodepos;
    const char *font = UI_GetFontFromNode(node);
    const char* ref = UI_GetReferenceString(node, node->text);
    static vec4_t disabledColor = {0.5, 0.5, 0.5, 1.0};
    vec_t *color;

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

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

    R_Color(color);
    if (node->size[0] == 0)
        UI_DrawString(font, node->textalign, nodepos[0], nodepos[1], nodepos[0], node->size[0], 0, ref, 0, 0, NULL, qfalse, 0);
    else
        UI_DrawStringInBox(font, node->textalign, nodepos[0] + node->padding, nodepos[1] + node->padding, node->size[0] - node->padding - node->padding, node->size[1] - node->padding - node->padding, ref, EXTRADATA(node).longlines);
    R_Color(NULL);
}

static void UI_StringNodeDrawTooltip (uiNode_t *node, int x, int y)
{
    if (node->tooltip) {
        UI_Tooltip(node, x, y);
    } else {
        const char *font = UI_GetFontFromNode(node);
        const char* text = UI_GetReferenceString(node, node->text);
        qboolean isTruncated;
        if (!text)
            return;

        R_FontTextSize(font, text, node->size[0] - node->padding - node->padding, EXTRADATA(node).longlines, NULL, NULL, NULL, &isTruncated);
        if (isTruncated) {
            const int tooltipWidth = 250;
            static char tooltiptext[MAX_VAR * 4];
            tooltiptext[0] = '\0';
            Q_strcat(tooltiptext, text, sizeof(tooltiptext));
            UI_DrawTooltip(tooltiptext, x, y, tooltipWidth);
        }
    }
}

static void UI_StringNodeLoading (uiNode_t *node)
{
    node->padding = 3;
    Vector4Set(node->color, 1.0, 1.0, 1.0, 1.0);
    EXTRADATA(node).longlines = LONGLINES_PRETTYCHOP;
}

static const value_t properties[] = {
    /* 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
     */
    {"longlines", V_INT, UI_EXTRADATA_OFFSETOF(EXTRADATA_TYPE, longlines), MEMBER_SIZEOF(EXTRADATA_TYPE, longlines)},

    {NULL, V_NULL, 0, 0}
};

void UI_RegisterStringNode (uiBehaviour_t *behaviour)
{
    behaviour->name = "string";
    behaviour->properties = properties;
    behaviour->draw = UI_StringNodeDraw;
    behaviour->drawTooltip = UI_StringNodeDrawTooltip;
    behaviour->loading = UI_StringNodeLoading;
    behaviour->extraDataSize = sizeof(EXTRADATA_TYPE);
}