picker.qc

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#include "picker.qh"

.bool pressed;

entity makeXonoticPicker()
{
    entity me;
    me = NEW(XonoticPicker);
    me.configureXonoticPicker(me);
    return me;
}

void XonoticPicker_configureXonoticPicker(entity me)
{
    me.realCellSize = eX / me.columns + eY / me.rows;
}

float XonoticPicker_mouseMove(entity me, vector coords)
{
    vector prevFocusedCell = me.focusedCell;
    me.focusedCell_x = floor(coords.x * me.columns);
    me.focusedCell_y = floor(coords.y * me.rows);

    if(me.focusedCell.x < 0 || me.focusedCell.y < 0 ||
       me.focusedCell.x >= me.columns || me.focusedCell.y >= me.rows)
    {
        me.focusedCell = '-1 -1 0';
        return 0;
    }

    if(me.focusedCell != prevFocusedCell)
        me.focusedCellAlpha = SKINALPHA_LISTBOX_FOCUSED;

    return 1;
}

float XonoticPicker_mouseDrag(entity me, vector coords)
{
    return me.mouseMove(me, coords);
}

METHOD(XonoticPicker, mousePress, bool(XonoticPicker this, vector pos))
{
    this.mouseMove(this, pos);

    if(this.focusedCell.x >= 0)
    {
        this.pressed = 1;
        this.pressedCell = this.focusedCell;
    }

    return true;
}

float XonoticPicker_mouseRelease(entity me, vector coords)
{
    if(!me.pressed)
        return 0;

    me.mouseMove(me, coords);

    if(me.focusedCell == me.pressedCell)
        me.cellSelect(me, me.focusedCell);

    me.pressed = 0;
    return 1;
}

float XonoticPicker_keyDown(entity me, float key, float ascii, float shift)
{
    switch(key)
    {
        case K_END:
        case K_KP_END:
            // lower left cell then left arrow to select the last valid cell
            me.focusedCell = eY * (me.rows - 1);
        case K_LEFTARROW:
        case K_KP_LEFTARROW:
            me.moveFocus(me, me.focusedCell, '-1 0 0');
            return 1;
        case K_HOME:
        case K_KP_HOME:
            // upper right cell then right arrow to select the first valid cell
            me.focusedCell = eX * (me.columns - 1);
        case K_RIGHTARROW:
        case K_KP_RIGHTARROW:
            me.moveFocus(me, me.focusedCell, '1 0 0');
            return 1;
        case K_UPARROW:
        case K_KP_UPARROW:
            me.moveFocus(me, me.focusedCell, '0 -1 0');
            return 1;
        case K_DOWNARROW:
        case K_KP_DOWNARROW:
            me.moveFocus(me, me.focusedCell, '0 1 0');
            return 1;
        case K_ENTER:
        case K_KP_ENTER:
        case K_INS:
        case K_KP_INS:
            me.cellSelect(me, me.focusedCell);
            return 1;
    }
    return 0;
}

void XonoticPicker_moveFocus(entity me, vector initialCell, vector step)
{
    me.focusedCell_x = mod(me.focusedCell.x + step.x + me.columns, me.columns);
    me.focusedCell_y = mod(me.focusedCell.y + step.y + me.rows, me.rows);

    if(me.focusedCell != initialCell) // Recursion break
        if(!me.cellIsValid(me, me.focusedCell))
            me.moveFocus(me, initialCell, step);

    me.focusedCellAlpha = SKINALPHA_LISTBOX_FOCUSED;
}

void XonoticPicker_cellSelect(entity me, vector cell)
{
    me.selectedCell = cell;
}

bool XonoticPicker_cellIsValid(entity me, vector cell)
{
    return true;
}

void XonoticPicker_cellDraw(entity me, vector cell, vector cellPos)
{
}

void XonoticPicker_draw(entity me)
{
    float save;

    me.focusable = !me.disabled;

    save = draw_alpha;
    if(me.disabled)
        draw_alpha *= me.disabledAlpha;

    vector cell, cellPos;
    cell = '0 0 0';
    cellPos = '0 0 0';

    for(cell_y = 0; cell.y < me.rows; ++cell.y)
    {
        cellPos_y = mod(cell.y, me.rows) / me.rows;
        for(cell_x = 0; cell.x < me.columns; ++cell.x)
        {
            if(!me.cellIsValid(me, cell))
                continue;

            cellPos_x = mod(cell.x, me.columns) / me.columns;

            if(cell == me.selectedCell)
                draw_Fill(cellPos, me.realCellSize, SKINCOLOR_LISTBOX_SELECTED, SKINALPHA_LISTBOX_SELECTED);
            else if(cell == me.focusedCell && me.focused)
            {
                if(!me.pressed || me.focusedCell == me.pressedCell)
                {
                    me.focusedCellAlpha = getFadedAlpha(me.focusedCellAlpha, SKINALPHA_LISTBOX_FOCUSED, SKINFADEALPHA_LISTBOX_FOCUSED);
                    draw_Fill(cellPos, me.realCellSize, SKINCOLOR_LISTBOX_FOCUSED, me.focusedCellAlpha);
                }
            }

            me.cellDraw(me, cell, cellPos);
        }
    }

    draw_alpha = save;

    SUPER(XonoticPicker).draw(me);
}