Foundation classes for a basic GUI implementing simple widgets and events
Dependents: TouchScreenGUIDemo
Core/Rectangle.h@18:d849f3ada858, 2016-05-28 (annotated)
- Committer:
- duncanFrance
- Date:
- Sat May 28 14:50:14 2016 +0000
- Revision:
- 18:d849f3ada858
- Parent:
- 13:6714534e7974
Moved the event queue into the EventDispatcher; Improved event handling across Window/Widget
Who changed what in which revision?
User | Revision | Line number | New contents of line |
---|---|---|---|
duncanFrance | 12:63db16fea709 | 1 | #ifndef SIMPLEGUI_RECTANGLE_H |
duncanFrance | 12:63db16fea709 | 2 | #define SIMPLEGUI_RECTANGLE_H |
duncanFrance | 12:63db16fea709 | 3 | |
duncanFrance | 12:63db16fea709 | 4 | #include <algorithm> |
duncanFrance | 13:6714534e7974 | 5 | #include "Point.h" |
duncanFrance | 12:63db16fea709 | 6 | |
duncanFrance | 12:63db16fea709 | 7 | class Rectangle |
duncanFrance | 12:63db16fea709 | 8 | { |
duncanFrance | 12:63db16fea709 | 9 | |
duncanFrance | 12:63db16fea709 | 10 | public: |
duncanFrance | 12:63db16fea709 | 11 | |
duncanFrance | 12:63db16fea709 | 12 | Rectangle(int _x, int _y, int _w, int _h) : |
duncanFrance | 12:63db16fea709 | 13 | x(_x), y(_y), width(_w), height(_h) {} |
duncanFrance | 12:63db16fea709 | 14 | |
duncanFrance | 12:63db16fea709 | 15 | void resize(const Rectangle &outer, int padding) { |
duncanFrance | 12:63db16fea709 | 16 | x = outer.x+padding; |
duncanFrance | 12:63db16fea709 | 17 | y = outer.y+padding; |
duncanFrance | 12:63db16fea709 | 18 | width = outer.width - 2 * padding; |
duncanFrance | 12:63db16fea709 | 19 | height = outer.height - 2 * padding; |
duncanFrance | 12:63db16fea709 | 20 | } |
duncanFrance | 12:63db16fea709 | 21 | |
duncanFrance | 12:63db16fea709 | 22 | bool contains(int pointX, int pointY) { |
duncanFrance | 12:63db16fea709 | 23 | return pointX >= x |
duncanFrance | 12:63db16fea709 | 24 | && pointX <= (x+width) |
duncanFrance | 12:63db16fea709 | 25 | && pointY >= y |
duncanFrance | 12:63db16fea709 | 26 | && pointY <= (y+height); |
duncanFrance | 12:63db16fea709 | 27 | } |
duncanFrance | 12:63db16fea709 | 28 | |
duncanFrance | 12:63db16fea709 | 29 | bool intersects(const Rectangle &r) { |
duncanFrance | 12:63db16fea709 | 30 | int x1 = std::max(x, r.x); |
duncanFrance | 12:63db16fea709 | 31 | int x2 = std::min(x+width, r.x + r.width); |
duncanFrance | 12:63db16fea709 | 32 | int y1 = std::max(y, r.y); |
duncanFrance | 12:63db16fea709 | 33 | int y2 = std::min(y+height, r.y + r.height); |
duncanFrance | 12:63db16fea709 | 34 | if((x2 < x1) || (y2 < y1)) { |
duncanFrance | 12:63db16fea709 | 35 | return false; |
duncanFrance | 12:63db16fea709 | 36 | } |
duncanFrance | 12:63db16fea709 | 37 | return true; |
duncanFrance | 12:63db16fea709 | 38 | } |
duncanFrance | 13:6714534e7974 | 39 | |
duncanFrance | 13:6714534e7974 | 40 | bool isLocatedAt(Point *p) { |
duncanFrance | 13:6714534e7974 | 41 | return p->x() == x && p->y() == y; |
duncanFrance | 13:6714534e7974 | 42 | } |
duncanFrance | 12:63db16fea709 | 43 | |
duncanFrance | 12:63db16fea709 | 44 | int x, y, width, height; |
duncanFrance | 12:63db16fea709 | 45 | }; |
duncanFrance | 12:63db16fea709 | 46 | |
duncanFrance | 12:63db16fea709 | 47 | #endif |