Skip to content

Destroying unnecessary zoom level handles #1680

New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Merged
merged 1 commit into from
Dec 19, 2024
Merged

Destroying unnecessary zoom level handles #1680

Show file tree
Hide file tree
Changes from all commits
Commits
Show all changes
1 commit
Select commit
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
1 change: 1 addition & 0 deletions bundles/org.eclipse.swt/Eclipse SWT PI/win32/org/eclipse/swt/internal/win32/OS.java
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -1752,6 +1752,7 @@ public class OS extends C {
public static final int WM_DEADCHAR = 0x103;
public static final int WM_DESTROY = 0x2;
public static final int WM_DPICHANGED = 0x02E0;
public static final int WM_DISPLAYCHANGE = 0x7E;
public static final int WM_DRAWITEM = 0x2b;
public static final int WM_ENDSESSION = 0x16;
public static final int WM_ENTERIDLE = 0x121;
Expand Down
9 changes: 9 additions & 0 deletions bundles/org.eclipse.swt/Eclipse SWT/win32/org/eclipse/swt/widgets/Control.java
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -4856,6 +4856,7 @@ long windowProc (long hwnd, int msg, long wParam, long lParam) {
case OS.WM_XBUTTONDOWN: result = WM_XBUTTONDOWN (wParam, lParam); break;
case OS.WM_XBUTTONUP: result = WM_XBUTTONUP (wParam, lParam); break;
case OS.WM_DPICHANGED: result = WM_DPICHANGED (wParam, lParam); break;
case OS.WM_DISPLAYCHANGE: result = WM_DISPLAYCHANGE(wParam, lParam); break;
}
if (result != null) return result.value;
// widget could be disposed at this point
Expand Down Expand Up @@ -4967,6 +4968,14 @@ LRESULT WM_DPICHANGED (long wParam, long lParam) {
return LRESULT.ONE;
}

LRESULT WM_DISPLAYCHANGE (long wParam, long lParam) {
if (getDisplay().isRescalingAtRuntime()) {
Device.win32_destroyUnusedHandles(getDisplay());
return LRESULT.ZERO;
}
return LRESULT.ONE;
}

LRESULT WM_DRAWITEM (long wParam, long lParam) {
DRAWITEMSTRUCT struct = new DRAWITEMSTRUCT ();
OS.MoveMemory (struct, lParam, DRAWITEMSTRUCT.sizeof);
Expand Down
Loading