container.qc

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#include "container.qh"
 
    void Container_enterSubitem(entity me, entity sub)
    {
        me.enterLieSubitem(me, sub.Container_origin, sub.Container_size, sub.Container_fontscale, sub.Container_alpha);
    }
 
    void Container_enterLieSubitem(entity me, vector o, vector s, vector f, float a)
    {
        me.Container_save_shift = draw_shift;
        me.Container_save_scale = draw_scale;
        me.Container_save_alpha = draw_alpha;
        me.Container_save_fontscale = draw_fontscale;
 
        draw_shift = boxToGlobal(o, draw_shift, draw_scale);
        draw_scale = boxToGlobalSize(s, draw_scale);
        if (f != '0 0 0') draw_fontscale = boxToGlobalSize(f, draw_fontscale);
        draw_alpha *= a;
    }
 
    void Container_leaveSubitem(entity me)
    {
        draw_shift = me.Container_save_shift;
        draw_scale = me.Container_save_scale;
        draw_alpha = me.Container_save_alpha;
        draw_fontscale = me.Container_save_fontscale;
    }
 
    void Container_showNotify(entity me)
    {
        entity e;
        if (me.shown) return;
        me.shown = true;
        for (e = me.firstChild; e; e = e.nextSibling)
            if (e.Container_alpha > 0) e.showNotify(e);
    }
 
    void Container_hideNotify(entity me)
    {
        entity e;
        if (!me.shown) return;
        me.shown = false;
        for (e = me.firstChild; e; e = e.nextSibling)
            if (e.Container_alpha > 0) e.hideNotify(e);
    }
 
    void Container_setAlphaOf(entity me, entity other, float theAlpha)
    {
        if (theAlpha <= 0)
        {
            if (other.Container_alpha > 0) other.hideNotify(other);
        }
        else  // value > 0
        {
            if (other.Container_alpha <= 0) other.showNotify(other);
        }
        other.Container_alpha = theAlpha;
    }
 
    void Container_resizeNotifyLie(entity me, vector relOrigin, vector relSize, vector absOrigin, vector absSize, .vector originField, .vector sizeField, .vector fontScaleField)
    {
        entity e;
        vector o, s;
        float d;
        for (e = me.firstChild; e; e = e.nextSibling)
        {
            o = e.(originField);
            s = e.(sizeField);
            me.enterLieSubitem(me, o, s, e.(fontScaleField), e.Container_alpha);
            e.resizeNotify(e, o, s, boxToGlobal(o, absOrigin, absSize), boxToGlobalSize(s, absSize));
            me.leaveSubitem(me);
        }
        do
        {
            d = 0;
            for (e = me.firstChild; e; e = e.nextSibling)
                if (e.resized)
                {
                    e.resized = 0;
                    d = 1;
                    o = e.(originField);
                    s = e.(sizeField);
                    me.enterLieSubitem(me, o, s, e.(fontScaleField), e.Container_alpha);
                    e.resizeNotify(e, o, s, boxToGlobal(o, absOrigin, absSize), boxToGlobalSize(s, absSize));
                    me.leaveSubitem(me);
                }
        }
        while (d);
        SUPER(Container).resizeNotify(me, relOrigin, relSize, absOrigin, absSize);
    }
 
    void Container_resizeNotify(entity me, vector relOrigin, vector relSize, vector absOrigin, vector absSize)
    {
        me.resizeNotifyLie(me, relOrigin, relSize, absOrigin, absSize, Container_origin, Container_size, Container_fontscale);
    }
 
    entity Container_itemFromPoint(entity me, vector pos)
    {
        entity e;
        vector o, s;
        for (e = me.lastChild; e; e = e.prevSibling)
        {
            o = e.Container_origin;
            s = e.Container_size;
            if (pos.x < o.x) continue;
            if (pos.y < o.y) continue;
            if (pos.x >= o.x + s.x) continue;
            if (pos.y >= o.y + s.y) continue;
            return e;
        }
        return NULL;
    }
 
    void Container_draw(entity me)
    {
        entity e;
 
        me.focusable = false;
        for (e = me.firstChild; e; e = e.nextSibling)
        {
            if (e.focusable) me.focusable = true;
            if (e.Container_alpha < 0.003)  // can't change color values anyway
                continue;
            me.enterSubitem(me, e);
            e.draw(e);
            me.leaveSubitem(me);
        }
 
        SUPER(Container).draw(me);
    }
 
    void Container_focusLeave(entity me)
    {
        me.setFocus(me, NULL);
    }
 
    float Container_keyUp(entity me, float scan, float ascii, float shift)
    {
        entity f = me.focusedChild;
        if (f)
        {
            me.enterSubitem(me, f);
            float r = f.keyUp(f, scan, ascii, shift);
            me.leaveSubitem(me);
            return r;
        }
        return 0;
    }
 
    float Container_keyDown(entity me, float scan, float ascii, float shift)
    {
        entity f = me.focusedChild;
        if (f)
        {
            me.enterSubitem(me, f);
            float r = f.keyDown(f, scan, ascii, shift);
            me.leaveSubitem(me);
            return r;
        }
        return 0;
    }
 
    float Container_mouseMove(entity me, vector pos)
    {
        entity f = me.focusedChild;
        if (f)
        {
            me.enterSubitem(me, f);
            float r = f.mouseMove(f, globalToBox(pos, f.Container_origin, f.Container_size));
            me.leaveSubitem(me);
            return r;
        }
        return 0;
    }
    METHOD(Container, mousePress, bool(Container this, vector pos))
    {
        entity f = this.focusedChild;
        if (f)
        {
            this.enterSubitem(this, f);
            vector v = globalToBox(pos, f.Container_origin, f.Container_size);
            // If something in this container is focused but somehow the cursor is outside of the container it then
            // remove the focus on mouse press.
            //   This situation can happen after a stand-alone dialog like "Advanced Settings" is opened and then closed
            //   because the focused item of the current window is saved (by saveFocus) and then restored on close,
            //   regardless of mouse position.
            //   If the focus wasn't removed then clicking outside of the current window would do nothing instead of
            //   closing the current window and returning to the main menu.
            if (v.x < 0 || v.x > 1 || v.y < 0 || v.y > 1)
                this.setFocus(this, NULL);
            bool r = f.mousePress(f, v);
            this.leaveSubitem(this);
            return r;
        }
        return false;
    }
    float Container_mouseDrag(entity me, vector pos)
    {
        entity f = me.focusedChild;
        if (f)
        {
            me.enterSubitem(me, f);
            float r = f.mouseDrag(f, globalToBox(pos, f.Container_origin, f.Container_size));
            me.leaveSubitem(me);
            return r;
        }
        return 0;
    }
    float Container_mouseRelease(entity me, vector pos)
    {
        entity f = me.focusedChild;
        if (f)
        {
            me.enterSubitem(me, f);
            float r = f.mouseRelease(f, globalToBox(pos, f.Container_origin, f.Container_size));
            me.leaveSubitem(me);
            return r;
        }
        return 0;
    }
 
    void Container_addItemCentered(entity me, entity other, vector theSize, float theAlpha)
    {
        me.addItem(me, other, '0.5 0.5 0' - 0.5 * theSize, theSize, theAlpha);
    }
 
    void Container_addItemRightCentered(entity me, entity other, vector theSize, float theAlpha)
    {
        me.addItem(me, other, '1 0.5 0' - 0.5 * theSize, theSize, theAlpha);
    }
 
    void Container_addItem(entity me, entity other, vector theOrigin, vector theSize, float theAlpha)
    {
        if (other.parent) error("Can't add already added item!");
 
        if (other.focusable) me.focusable = true;
 
        if (theSize.x > 1)
        {
            theOrigin.x -= 0.5 * (theSize.x - 1);
            theSize.x = 1;
        }
        if (theSize.y > 1)
        {
            theOrigin.y -= 0.5 * (theSize.y - 1);
            theSize.y = 1;
        }
        theOrigin.x = bound(0, theOrigin.x, 1 - theSize.x);
        theOrigin.y = bound(0, theOrigin.y, 1 - theSize.y);
 
        other.parent = me;
        other.Container_origin = theOrigin;
        other.Container_size = theSize;
 
        // don't call setAlphaOf, it would uneccessarily trigger showNotify
        //me.setAlphaOf(me, other, theAlpha);
        other.Container_alpha = theAlpha;
 
        entity l = me.lastChild;
 
        if (l) l.nextSibling = other;
        else me.firstChild = other;
 
        other.prevSibling = l;
        other.nextSibling = NULL;
        me.lastChild = other;
    }
 
    void Container_removeItem(entity me, entity other)
    {
        if (other.parent != me) error("Can't remove from wrong container!");
 
        if (other.focusable) me.focusable = false;
 
        other.parent = NULL;
 
        entity n, p;
        n = other.nextSibling;
        p = other.prevSibling;
 
        if (p) p.nextSibling = n;
        else me.firstChild = n;
 
        if (n) n.prevSibling = p;
        else me.lastChild = p;
    }
 
    void Container_setFocus(entity me, entity other)
    {
        if (me.focusedChild == other) return;
 
        if (me.focusedChild)
        {
            me.focusedChild.focused = false;
            me.focusedChild.focusLeave(me.focusedChild);
            me.focusedChild = NULL;
        }
 
        if (other)
        {
            if (!me.focused) error("Trying to set focus in a non-focused control!");
 
            if (me.savedFocus)
            {
                me.focusedChild = me.savedFocus;
                me.savedFocus = NULL;
                me.focusedChild.focused = true;
                me.focusedChild.focusEnter(me.focusedChild);
 
                if (me.focusedChild.instanceOfContainer)
                    me.focusedChild.setFocus(me.focusedChild, me.focusedChild.savedFocus);
            }
            else
            {
                me.focusedChild = other;
                me.focusedChild.focused = true;
                me.focusedChild.focusEnter(me.focusedChild);
            }
        }
    }
 
    void Container_saveFocus(entity me)
    {
        me.savedFocus = me.focusedChild;
 
        if (me.focusedChild.instanceOfContainer) me.focusedChild.saveFocus(me.focusedChild);
    }
 
    void Container_moveItemAfter(entity me, entity other, entity dest)
    {
        // first: remove other from the chain
        entity n, p;
 
        if (other.parent != me) error("Can't move in wrong container!");
 
        n = other.nextSibling;
        p = other.prevSibling;
 
        if (p) p.nextSibling = n;
        else me.firstChild = n;
 
        if (n) n.prevSibling = p;
        else me.lastChild = p;
 
        // now other got removed. Insert it behind dest now.
        other.prevSibling = dest;
        if (dest) other.nextSibling = dest.nextSibling;
        else other.nextSibling = me.firstChild;
 
        if (dest) dest.nextSibling = other;
        else me.firstChild = other;
 
        if (other.nextSibling) other.nextSibling.prevSibling = other;
        else me.lastChild = other;
    }
 
    entity Container_preferredFocusedGrandChild(entity me)
    {
        entity e, e2;
        entity best = NULL;
 
        for (e = me.firstChild; e; e = e.nextSibling)
        {
            if (e.instanceOfContainer)
            {
                e2 = e.preferredFocusedGrandChild(e);
                if (e2)
                    if (!best || best.preferredFocusPriority < e2.preferredFocusPriority) best = e2;
            }
            if (e)
                if (!best || best.preferredFocusPriority < e.preferredFocusPriority) best = e;
        }
 
        return best;
    }