finished exercise12 for chapter12

Author: trapperdot00

Chapter12/README.md

@@ -132,3 +132,6 @@ Define a class `Box` that is a closed shape like a `Rectangle` (so it has fill c
 
 ## [Exercise 11](exercises/11)
 Define a `Group` to be a container of `Shape`s with suitable operations applied to the various members of the `Group`. Hint: `Vector_ref`. Use a `Group` to define a checkers (draughts) boardwhere pieces can be moved under program control.
+
+## [Exercise 12](exercises/12)
+Define a class `Pseudo_window` that looks as much like a `Window` as you can make it without heroic efforts. It should have rounded corners, a label, and control icons. Maybe you could add some fake "contents", such as an image. It need not actually do anything. It is acceptable (and indeed recommended) to have it appear within a `Simple_window`.

Chapter12/exercises/12/cat.png

@@ -46,26 +46,74 @@ class Pseudo_window {
 public:
     Pseudo_window(Point tl, int w, int h, const std::string& s)
         : b{tl, w, h, c_radius},
-        l{Point{tl.x, tl.y + 20}, Point{tl.x + w, tl.y + 20}},
-        t{tl, s}
+        l{Point{tl.x, tl.y + top_bar_height}, Point{tl.x + w, tl.y + top_bar_height}},
+        t{tl, s},
+        mi{Point{tl.x + w - 3 * icon_spacing, tl.y + top_bar_height / 2}, top_bar_height / 3},
+        mi_i{
+            Point{tl.x + w - 3 * icon_spacing - top_bar_height / 3, tl.y + top_bar_height / 2},
+            Point{tl.x + w - 3 * icon_spacing + top_bar_height / 3, tl.y + top_bar_height / 2}
+        },
+        ma{Point{tl.x + w - 2 * icon_spacing, tl.y + top_bar_height / 2}, top_bar_height / 3},
+        ma_i{Point{tl.x + w - 2 * icon_spacing - top_bar_height / 6,
+            tl.y + top_bar_height / 2 - top_bar_height / 6}, top_bar_height / 3, top_bar_height / 3
+        },
+        cl{Point{tl.x + w - icon_spacing, tl.y + top_bar_height / 2}, top_bar_height / 3},
+        cl_i{
+            Point{tl.x + w - icon_spacing - top_bar_height / 6, tl.y + top_bar_height / 2 - top_bar_height / 6},
+            Point{tl.x + w - icon_spacing + top_bar_height / 6, tl.y + top_bar_height / 2 + top_bar_height / 6},
+            Point{tl.x + w - icon_spacing - top_bar_height / 6, tl.y + top_bar_height / 2 + top_bar_height / 6},
+            Point{tl.x + w - icon_spacing + top_bar_height / 6, tl.y + top_bar_height / 2 - top_bar_height / 6}
+        }
     {
         b.set_color(Color::invisible);
         b.set_fill_color(Color{100, 100, 100});
         t.set_color(Color::white);
+        mi.set_fill_color(Color::green);
+        ma.set_fill_color(Color{255, 200, 0});
+        cl.set_fill_color(Color::red);
     }
     void attach_to(Window& w) {
         w.attach(b);
         w.attach(l);
         w.attach(t);
+        w.attach(mi);
+        w.attach(mi_i);
+        w.attach(ma);
+        w.attach(ma_i);
+        w.attach(cl);
+        w.attach(cl_i);
     }
+    void move(int dx, int dy) {
+        b.move(dx, dy);
+        l.move(dx, dy);
+        t.move(dx, dy);
+        mi.move(dx, dy);
+        mi_i.move(dx, dy);
+        ma.move(dx, dy);
+        ma_i.move(dx, dy);
+        cl.move(dx, dy);
+        cl_i.move(dx, dy);
+    }
+    static const int c_radius;        // Corner radius
+    static const int top_bar_height;
+    static const int icon_spacing;
 private:
-    Box b;
-    Line l;
-    Text t;
-    static int c_radius;
+    Box b;      // Background
+    Line l;     // Top bar separator
+    Text t;     // Label
+    // Control icons
+    Circle mi;  // Minimize
+    Line mi_i;  // Minimize icon
+    Circle ma;  // Maximize
+    Rectangle ma_i; // Maximize icon
+    Circle cl;  // Close
+    Lines cl_i; // Close icon
+
 };
 
-int Pseudo_window::c_radius = 10;
+const int Pseudo_window::c_radius = 8;
+const int Pseudo_window::top_bar_height = 20;
+const int Pseudo_window::icon_spacing = 20;
 
 int main(int /*argc*/, char * /*argv*/[])
 {
@@ -83,8 +131,11 @@ int main(int /*argc*/, char * /*argv*/[])
     const std::string label = "Pseudo_window";
     Simple_window win{Point{win_x, win_y}, win_width, win_height, label};
 
-    Pseudo_window ps{Point{100, 100}, 600, 400, "Pseudo_window"};
-
+    Pseudo_window ps{Point{100, 100}, 600, 400, "Felis catus"};
     ps.attach_to(win);
+
+    Image i{Point{100 + 600 / 2 - 240 / 2, 100 + 400 / 2 - 287 / 2 + Pseudo_window::top_bar_height / 2}, "../../cat.png"};
+    win.attach(i);
+
     win.wait_for_button();
 }