52 if (SunToolkit.getSunAwtNoerasebackground()) { |
51 if (SunToolkit.getSunAwtNoerasebackground()) { |
53 disableBackgroundErase(); |
52 disableBackgroundErase(); |
54 } |
53 } |
55 } |
54 } |
56 |
55 |
57 void resetTargetGC(Component target) { |
56 /* Get a GraphicsConfig with the same visual on the new |
58 ComponentAccessor.resetGC(target); |
57 * screen, which should be easy in Xinerama mode. |
|
58 */ |
|
59 public GraphicsConfiguration getAppropriateGraphicsConfiguration( |
|
60 GraphicsConfiguration gc) |
|
61 { |
|
62 if (graphicsConfig == null || gc == null) { |
|
63 return gc; |
|
64 } |
|
65 // Opt: Only need to do if we're not using the default GC |
|
66 |
|
67 int screenNum = ((X11GraphicsDevice)gc.getDevice()).getScreen(); |
|
68 |
|
69 X11GraphicsConfig parentgc; |
|
70 // save vis id of current gc |
|
71 int visual = graphicsConfig.getVisual(); |
|
72 |
|
73 X11GraphicsDevice newDev = (X11GraphicsDevice) GraphicsEnvironment. |
|
74 getLocalGraphicsEnvironment(). |
|
75 getScreenDevices()[screenNum]; |
|
76 |
|
77 for (int i = 0; i < newDev.getNumConfigs(screenNum); i++) { |
|
78 if (visual == newDev.getConfigVisualId(i, screenNum)) { |
|
79 // use that |
|
80 graphicsConfig = (X11GraphicsConfig)newDev.getConfigurations()[i]; |
|
81 break; |
|
82 } |
|
83 } |
|
84 // just in case... |
|
85 if (graphicsConfig == null) { |
|
86 graphicsConfig = (X11GraphicsConfig) GraphicsEnvironment. |
|
87 getLocalGraphicsEnvironment(). |
|
88 getScreenDevices()[screenNum]. |
|
89 getDefaultConfiguration(); |
|
90 } |
|
91 |
|
92 return graphicsConfig; |
59 } |
93 } |
60 |
94 |
61 /* |
|
62 * Called when the Window this |
|
63 * Canvas is on is moved onto another Xinerama screen. |
|
64 * |
|
65 * Canvases can be created with a non-defulat GraphicsConfiguration. The |
|
66 * GraphicsConfiguration needs to be changed to one on the new screen, |
|
67 * preferably with the same visual ID. |
|
68 * |
|
69 * Up-called for other windows peer instances (XPanelPeer, XWindowPeer). |
|
70 * |
|
71 * Should only be called from the event thread. |
|
72 */ |
|
73 public void displayChanged(int screenNum) { |
|
74 resetLocalGC(screenNum); |
|
75 resetTargetGC(target); |
|
76 } |
|
77 |
|
78 /* Set graphicsConfig to a GraphicsConfig with the same visual on the new |
|
79 * screen, which should be easy in Xinerama mode. |
|
80 * |
|
81 * Should only be called from displayChanged(), and therefore only from |
|
82 * the event thread. |
|
83 */ |
|
84 void resetLocalGC(int screenNum) { |
|
85 // Opt: Only need to do if we're not using the default GC |
|
86 if (graphicsConfig != null) { |
|
87 X11GraphicsConfig parentgc; |
|
88 // save vis id of current gc |
|
89 int visual = graphicsConfig.getVisual(); |
|
90 |
|
91 X11GraphicsDevice newDev = (X11GraphicsDevice) GraphicsEnvironment. |
|
92 getLocalGraphicsEnvironment(). |
|
93 getScreenDevices()[screenNum]; |
|
94 |
|
95 for (int i = 0; i < newDev.getNumConfigs(screenNum); i++) { |
|
96 if (visual == newDev.getConfigVisualId(i, screenNum)) { |
|
97 // use that |
|
98 graphicsConfig = (X11GraphicsConfig)newDev.getConfigurations()[i]; |
|
99 break; |
|
100 } |
|
101 } |
|
102 // just in case... |
|
103 if (graphicsConfig == null) { |
|
104 graphicsConfig = (X11GraphicsConfig) GraphicsEnvironment. |
|
105 getLocalGraphicsEnvironment(). |
|
106 getScreenDevices()[screenNum]. |
|
107 getDefaultConfiguration(); |
|
108 } |
|
109 } |
|
110 } |
|
111 protected boolean shouldFocusOnClick() { |
95 protected boolean shouldFocusOnClick() { |
112 // Canvas should always be able to be focused by mouse clicks. |
96 // Canvas should always be able to be focused by mouse clicks. |
113 return true; |
97 return true; |
114 } |
98 } |
115 |
99 |