From: Jon Turney <jon.turney@dronecode.org.uk>
To: cygwin-apps@cygwin.com
Cc: Jon Turney <jon.turney@dronecode.org.uk>
Subject: [PATCH setup 02/13] Add OnNotify virtual function to class Window for WM_NOTIFY notifications
Date: Sun, 05 Aug 2018 22:09:00 -0000 [thread overview]
Message-ID: <20180805220851.270212-3-jon.turney@dronecode.org.uk> (raw)
In-Reply-To: <20180805220851.270212-1-jon.turney@dronecode.org.uk>
Add OnNotify virtual function to class Window for WM_NOTIFY notifications
Note that the result is returned via DWLP_MSGRESULT
---
proppage.cc | 14 +++++++++++++-
window.h | 7 +++++++
2 files changed, 20 insertions(+), 1 deletion(-)
diff --git a/proppage.cc b/proppage.cc
index 6b83640..8da1c52 100644
--- a/proppage.cc
+++ b/proppage.cc
@@ -140,7 +140,18 @@ PropertyPage::DialogProc (UINT message, WPARAM wParam, LPARAM lParam)
return TRUE;
}
case WM_NOTIFY:
- switch (((NMHDR FAR *) lParam)->code)
+ {
+ NMHDR *pNmHdr = (NMHDR *) lParam;
+
+ // offer to subclass first
+ LRESULT result = 0;
+ if (OnNotify (pNmHdr, &result))
+ {
+ SetWindowLongPtr (GetHWND (), DWLP_MSGRESULT, result);
+ return TRUE;
+ }
+
+ switch (pNmHdr->code)
{
case PSN_APPLY:
{
@@ -261,6 +272,7 @@ PropertyPage::DialogProc (UINT message, WPARAM wParam, LPARAM lParam)
return FALSE;
}
}
+ }
break;
case WM_COMMAND:
{
diff --git a/window.h b/window.h
index ca6baa6..d8b712b 100644
--- a/window.h
+++ b/window.h
@@ -138,6 +138,13 @@ public:
return false;
};
+ virtual bool OnNotify (NMHDR *pNmHdr, LRESULT *pResult)
+ {
+ // Not processed by default. Override in derived classes to
+ // do something with command messages if you need to.
+ return false;
+ };
+
RECT GetWindowRect() const;
RECT GetClientRect() const;
--
2.17.0
next prev parent reply other threads:[~2018-08-05 22:09 UTC|newest]
Thread overview: 20+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-08-05 22:09 [PATCH setup 00/13] ListView Package Chooser Jon Turney
2018-08-05 22:09 ` Jon Turney [this message]
2018-08-05 22:09 ` [PATCH setup 01/13] Change packagemeta::_actions to an enum Jon Turney
2018-08-05 22:09 ` [PATCH setup 03/13] Drop 'using namespace std;' from PickView.cc Jon Turney
2018-08-05 22:10 ` [PATCH setup 09/13] Use an icon to represent expanded/collapsed state Jon Turney
2018-08-05 22:10 ` [PATCH setup 08/13] Show the count of packages in a category Jon Turney
2018-08-05 22:10 ` [PATCH setup 06/13] Add methods for listing possible actions on, and applying one to, a package Jon Turney
2018-08-05 22:10 ` [PATCH setup 07/13] Custom draw popup menus in ListView control Jon Turney
2018-08-05 22:10 ` [PATCH setup 04/13] Use a ListView common control rather than a hand-built grid Jon Turney
2018-08-05 22:10 ` [PATCH setup 05/13] Custom draw checkboxes in ListView control Jon Turney
2018-08-05 22:11 ` [PATCH setup 10/13] Use indents in category view Jon Turney
2018-08-05 22:12 ` [PATCH setup 12/13] Restore packagemeta::LDesc() Jon Turney
2018-08-05 22:12 ` [PATCH setup 11/13] Add LDesc() accessor method to SolvableVersion Jon Turney
2018-08-05 22:12 ` [PATCH setup 13/13] Add ldesc tooltips to sdesc column of listview Jon Turney
2018-08-06 14:15 ` [PATCH setup 00/13] ListView Package Chooser Ken Brown
2018-08-06 16:41 ` Achim Gratz
2018-08-06 16:47 ` Achim Gratz
2018-08-06 19:19 ` Ken Brown
2018-10-13 18:46 ` Jon Turney
2018-08-06 16:40 ` Achim Gratz
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