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Rework needed for LayoutView management

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The application got unstable on exit under various conditions
(e.g. LayoutView created in script). Reason was the ownership
management of LayoutView which interfered with Qt widget
lifetime management.

The solution now is based on a clean widget/view hierarchy
and a consistent plugin parent/child relationship.

In addition, a new class is enabled which allows creating
a true QWidget (rather QFrame) for a LayoutView again.
This commit is contained in:
Matthias Koefferlein
2022-09-02 00:47:21 +02:00
parent 0248834afb
commit 3c53950eaa
20 changed files with 259 additions and 107 deletions
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src/plugins/tools/diff/lay_plugin/layDiffPlugin.cc
+10 -9
View File
@@ -27,6 +27,8 @@
#include "layLayoutViewBase.h"
#include "layUtils.h"
#include <QPointer>
namespace lay
{
@@ -34,20 +36,19 @@ class DiffPlugin
: public lay::Plugin
{
public:
DiffPlugin (Plugin *parent, lay::LayoutViewBase *view)
: lay::Plugin (parent), mp_view (view)
DiffPlugin (lay::LayoutViewBase *view)
: lay::Plugin (view), mp_view (view)
{
if (lay::has_gui ()) {
mp_dialog = new lay::DiffToolDialog (0);
} else {
mp_dialog = 0;
}
}
~DiffPlugin ()
{
delete mp_dialog;
mp_dialog = 0;
if (mp_dialog) {
delete mp_dialog.data ();
}
}
void menu_activated (const std::string &symbol)
@@ -65,7 +66,7 @@ public:
private:
lay::LayoutViewBase *mp_view;
lay::DiffToolDialog *mp_dialog;
QPointer<lay::DiffToolDialog> mp_dialog;
};
class DiffPluginDeclaration
@@ -108,9 +109,9 @@ public:
// .. nothing yet ..
}
lay::Plugin *create_plugin (db::Manager *, lay::Dispatcher *root, lay::LayoutViewBase *view) const
lay::Plugin *create_plugin (db::Manager *, lay::Dispatcher *, lay::LayoutViewBase *view) const
{
return new DiffPlugin (root, view);
return new DiffPlugin (view);
}
};