+ if (!(w == self->area.width && h == self->area.height)) {
+ w -= self->base_size.width;
+ h -= self->base_size.height;
+
+ if (user) {
+ /* for interactive resizing. have to move half an increment in each
+ direction. */
+
+ /* how far we are towards the next size inc */
+ int mw = w % self->size_inc.width;
+ int mh = h % self->size_inc.height;
+ /* amount to add */
+ int aw = self->size_inc.width / 2;
+ int ah = self->size_inc.height / 2;
+ /* don't let us move into a new size increment */
+ if (mw + aw >= self->size_inc.width)
+ aw = self->size_inc.width - mw - 1;
+ if (mh + ah >= self->size_inc.height)
+ ah = self->size_inc.height - mh - 1;
+ w += aw;
+ h += ah;
+
+ /* if this is a user-requested resize, then check against min/max
+ sizes and aspect ratios */
+
+ /* smaller than min size or bigger than max size? */
+ if (w > self->max_size.width) w = self->max_size.width;
+ if (w < self->min_size.width) w = self->min_size.width;
+ if (h > self->max_size.height) h = self->max_size.height;
+ if (h < self->min_size.height) h = self->min_size.height;
+
+ /* adjust the height ot match the width for the aspect ratios */
+ if (self->min_ratio)
+ if (h * self->min_ratio > w) h = (int)(w / self->min_ratio);
+ if (self->max_ratio)
+ if (h * self->max_ratio < w) h = (int)(w / self->max_ratio);
+ }
+
+ /* keep to the increments */
+ w /= self->size_inc.width;
+ h /= self->size_inc.height;
+
+ /* you cannot resize to nothing */
+ if (w < 1) w = 1;
+ if (h < 1) h = 1;