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refactor: add ability to set offset for resize area

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This commit is contained in:
Sergey Malenkov
2016-09-07 22:58:51 +03:00
parent 09fd00287d
commit 6168fd0d2c
1 changed files with 57 additions and 33 deletions
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platform/platform-impl/src/com/intellij/ui/WindowResizeListener.java
+57 -33
View File
@@ -16,6 +16,8 @@
package com.intellij.ui;
import com.intellij.util.ui.JBInsets;
import javax.swing.Icon;
import java.awt.*;
@@ -39,6 +41,32 @@ public class WindowResizeListener extends WindowMouseListener {
myCorner = corner;
}
/**
* @param content the window content to find a window, or {@code null} to use a component from a mouse event
* @param corner the corner icon that specifies a Mac-specific area to resize
*/
public WindowResizeListener(Component content, Icon corner) {
super(content);
myBorder = null;
myCorner = corner;
}
/**
* @param view the component to resize
* @return an insets indicating inactive outer area
*/
protected Insets getResizeOffset(Component view) {
return null;
}
/**
* @param view the component to resize
* @return an insets indicating active inner area
*/
protected Insets getResizeBorder(Component view) {
return myBorder;
}
@Override
int getCursorType(Component view, Point location) {
if (view instanceof Dialog) {
@@ -55,26 +83,26 @@ public class WindowResizeListener extends WindowMouseListener {
if (parent != null) {
convertPointFromScreen(location, parent);
}
int top = location.y - view.getY();
if (top < 0) {
return CUSTOM_CURSOR;
}
int left = location.x - view.getX();
if (left < 0) {
return CUSTOM_CURSOR;
}
int right = view.getWidth() - left;
if (right < 0) {
return CUSTOM_CURSOR;
}
int bottom = view.getHeight() - top;
if (bottom < 0) {
return CUSTOM_CURSOR;
}
Rectangle bounds = view.getBounds();
JBInsets.removeFrom(bounds, getResizeOffset(view));
int top = location.y - bounds.y;
if (top < 0) return CUSTOM_CURSOR;
int left = location.x - bounds.x;
if (left < 0) return CUSTOM_CURSOR;
int right = bounds.width - left;
if (right < 0) return CUSTOM_CURSOR;
int bottom = bounds.height - top;
if (bottom < 0) return CUSTOM_CURSOR;
if (myCorner != null && right < myCorner.getIconWidth() && bottom < myCorner.getIconHeight()) {
return DEFAULT_CURSOR;
}
if (myBorder != null) {
Insets expected = getResizeBorder(view);
if (expected != null) {
if (view instanceof Frame) {
Frame frame = (Frame)view;
if (isStateSet(frame, Frame.MAXIMIZED_HORIZ)) {
@@ -86,28 +114,24 @@ public class WindowResizeListener extends WindowMouseListener {
bottom = Integer.MAX_VALUE;
}
}
if (top < myBorder.top) {
if (left < myBorder.left) {
return NW_RESIZE_CURSOR;
}
if (right < myBorder.right) {
return NE_RESIZE_CURSOR;
}
if (top < expected.top) {
if (left < expected.left * 2) return NW_RESIZE_CURSOR;
if (right < expected.right * 2) return NE_RESIZE_CURSOR;
return N_RESIZE_CURSOR;
}
if (bottom < myBorder.bottom) {
if (left < myBorder.left) {
return SW_RESIZE_CURSOR;
}
if (right < myBorder.right) {
return SE_RESIZE_CURSOR;
}
if (bottom < expected.bottom) {
if (left < expected.left * 2) return SW_RESIZE_CURSOR;
if (right < expected.right * 2) return SE_RESIZE_CURSOR;
return S_RESIZE_CURSOR;
}
if (left < myBorder.left) {
if (left < expected.left) {
if (top < expected.top * 2) return NW_RESIZE_CURSOR;
if (bottom < expected.bottom * 2) return SW_RESIZE_CURSOR;
return W_RESIZE_CURSOR;
}
if (right < myBorder.right) {
if (right < expected.right) {
if (top < expected.top * 2) return NE_RESIZE_CURSOR;
if (bottom < expected.bottom * 2) return SE_RESIZE_CURSOR;
return E_RESIZE_CURSOR;
}
}