diff options
Diffstat (limited to 'src/Fl_Tile.cxx')
| -rw-r--r-- | src/Fl_Tile.cxx | 29 |
1 files changed, 26 insertions, 3 deletions
diff --git a/src/Fl_Tile.cxx b/src/Fl_Tile.cxx index 142b286bb..0eb7e0a70 100644 --- a/src/Fl_Tile.cxx +++ b/src/Fl_Tile.cxx @@ -585,7 +585,7 @@ void Fl_Tile::resize(int X,int Y,int W,int H) { c->position(c->x()+dx, c->y()+dy); } } - // check the bounding box of all children at minimum size + // check the current bounding box of all children init_sizes(); Fl_Rect *p = bounds(); int bbr = X, bbb = Y; @@ -605,11 +605,34 @@ void Fl_Tile::resize(int X,int Y,int W,int H) { // perform the actual resize within a safe range if ((dw!=0) || (dh!=0)) { Fl_Widget *r = resizable(); + // Find the target right and bottom position of the resizable child. + int trr = 0, trb = 0; + if (r) { + trr = r->x() + r->w() - dw; + trb = r->y() + r->h() - dh; + } + // Grow width and/or height of tile and adjust all children as needed. + if ((dw < 0) && (dh < 0)) { + move_intersection(bbr, bbb, bbr-dw, bbb-dh); + } else if (dw < 0) { + move_intersection(bbr, bbb, bbr-dw, bbb); + } else if (dh < 0) { + move_intersection(bbr, bbb, bbr, bbb-dh); + } + // Fix the resizable child, trying to keep its size plus all other + // widgets within their limits. if (r) { int rr = r->x() + r->w(), rb = r->y() + r->h(); - move_intersection(rr, rb, rr-dw, rb-dh); + move_intersection(rr, rb, trr, trb); + } + // Shrink width and/or height of tile and adjust all children as needed. + if ((dw > 0) && (dh > 0)) { + move_intersection(bbr, bbb, bbr-dw, bbb-dh); + } else if (dw > 0) { + move_intersection(bbr, bbb, bbr-dw, bbb); + } else if (dh > 0) { + move_intersection(bbr, bbb, bbr, bbb-dh); } - move_intersection(bbr, bbb, bbr-dw, bbb-dh); init_sizes(); } // resize the tile itself |