dplug.host.window source code

1 /**
2  * Host window creation.
3  *
4  * Copyright: Copyright Auburn Sounds 2016
5  * License:   $(LINK2 http://www.boost.org/LICENSE_1_0.txt, Boost License 1.0)
6  * Authors:   Guillaume Piolat
7  */
8 module dplug.host.window;
9 
10 import gfm.math.box;
11 import dplug.window;
12 import dplug.graphics.image;
13 import dplug.graphics.color;
14 import dplug.host.host;
15 
16 /// Creates a new native window suitable to host the plugin window.
17 /// This window may keep a reference to pluginHost
18 IWindow createHostWindow(IPluginHost pluginHost)
19 {    
20     int[2] windowSize = pluginHost.getUISize();
21 
22     auto hostWindow = createWindow(WindowUsage.host, null, null,
23                                    new NullWindowListener, WindowBackend.autodetect, windowSize[0], windowSize[1]);
24     pluginHost.openUI(hostWindow.systemHandle());
25 
26     return hostWindow;
27 }
28 
29 /// A listener to ignore window events, since we are not interested in host windows events.
30 class NullWindowListener : IWindowListener
31 {
32 nothrow:
33 @nogc:
34 
35     bool onMouseClick(int x, int y, MouseButton mb, bool isDoubleClick, MouseState mstate)
36     {
37         return false;
38     }
39 
40     bool onMouseRelease(int x, int y, MouseButton mb, MouseState mstate)
41     {
42         return false;
43     }
44 
45     bool onMouseWheel(int x, int y, int wheelDeltaX, int wheelDeltaY, MouseState mstate)
46     {
47         return false;
48     }
49 
50     void onMouseMove(int x, int y, int dx, int dy, MouseState mstate)
51     {
52     }
53 
54     bool onKeyDown(Key key)
55     {
56         return false;
57     }
58 
59     bool onKeyUp(Key key)
60     {
61         return false;
62     }
63 
64     void onDraw(WindowPixelFormat pf)
65     {
66     }
67 
68     ImageRef!RGBA onResized(int width, int height)
69     {
70         ImageRef!RGBA fake;
71         fake.w = width;
72         fake.h = height;
73         fake.pixels = null;
74         fake.pitch = width*RGBA.sizeof;
75         return fake;
76     }
77 
78     void recomputeDirtyAreas()
79     {
80     }
81 
82     box2i getDirtyRectangle()
83     { 
84         // return empty box since the host window itself is nothing interesting to draw
85         return box2i(0, 0, 0, 0); 
86     }
87 
88     void onMouseCaptureCancelled()
89     {
90     }
91 
92     void onAnimate(double dt, double time)
93     {
94     }
95 }