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Simplify API for extending wxListCtrl background display

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Replace SetListRulesAlternateColourOnBlank() taking 2 arguments, with
the second of them being used only when the first one is true, with a
simpler but still sufficient ExtendRulesAndAlternateColour(bool).

Make the new method virtual and define it as doing nothing in
wxListCtrlBase class, so that it's still available, even if currently
not implemented, in wxMSW.

Also simplify the implementation, fix style problems and other minor
improvements.
This commit is contained in:
Vadim Zeitlin
2020-11-09 00:37:55 +01:00
parent 584d1ae47d
commit 5ae2a8ebb8
7 changed files with 80 additions and 96 deletions
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23
samples/listctrl/listtest.cpp
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@@ -134,9 +134,7 @@ wxBEGIN_EVENT_TABLE(MyFrame, wxFrame)
EVT_MENU(LIST_SET_FG_COL, MyFrame::OnSetFgColour)
EVT_MENU(LIST_SET_BG_COL, MyFrame::OnSetBgColour)
EVT_MENU(LIST_ROW_LINES, MyFrame::OnSetRowLines)
#if !defined(__WXMSW__)
EVT_MENU(LIST_ROW_LINES_ON_BLANK, MyFrame::OnSetRowLinesOnBlank)
#endif
EVT_MENU(LIST_CUSTOM_HEADER_ATTR, MyFrame::OnCustomHeaderAttr)
EVT_MENU(LIST_TOGGLE_MULTI_SEL, MyFrame::OnToggleMultiSel)
EVT_MENU(LIST_SHOW_COL_INFO, MyFrame::OnShowColInfo)
@@ -168,9 +166,7 @@ wxBEGIN_EVENT_TABLE(MyFrame, wxFrame)
EVT_UPDATE_UI(LIST_TOGGLE_CHECKBOXES, MyFrame::OnUpdateToggleCheckBoxes)
EVT_UPDATE_UI(LIST_TOGGLE_HEADER, MyFrame::OnUpdateToggleHeader)
EVT_UPDATE_UI(LIST_ROW_LINES, MyFrame::OnUpdateRowLines)
#if !defined(__WXMSW__)
EVT_UPDATE_UI(LIST_ROW_LINES_ON_BLANK, MyFrame::OnUpdateRowLines)
#endif
EVT_UPDATE_UI(LIST_ROW_LINES_ON_BLANK, MyFrame::OnUpdateUIEnableInReport)
wxEND_EVENT_TABLE()
// My frame constructor
@@ -283,9 +279,7 @@ MyFrame::MyFrame(const wxString& title)
menuCol->Append(LIST_SET_FG_COL, "&Foreground colour...");
menuCol->Append(LIST_SET_BG_COL, "&Background colour...");
menuCol->AppendCheckItem(LIST_ROW_LINES, "Alternating colours");
#if !defined(__WXMSW__)
menuCol->AppendCheckItem(LIST_ROW_LINES_ON_BLANK, "Alternating colours on Blank");
#endif
menuCol->AppendCheckItem(LIST_ROW_LINES_ON_BLANK, "Extend to whole window");
menuCol->AppendCheckItem(LIST_CUSTOM_HEADER_ATTR, "&Custom header attributes");
wxMenuBar *menubar = new wxMenuBar;
@@ -529,9 +523,7 @@ void MyFrame::RecreateList(long flags, bool withText)
}
GetMenuBar()->Check(LIST_ROW_LINES, false);
#if !defined(__WXMSW__)
GetMenuBar()->Check(LIST_ROW_LINES_ON_BLANK, false);
#endif
m_logWindow->Clear();
}
@@ -952,19 +944,10 @@ void MyFrame::OnSetRowLines(wxCommandEvent& event)
m_listCtrl->Refresh();
}
#if !defined(__WXMSW__)
void MyFrame::OnSetRowLinesOnBlank(wxCommandEvent& event)
{
wxColour color = wxGetColourFromUser(this);
m_listCtrl->SetSingleStyle(wxLC_HRULES | wxLC_VRULES, event.IsChecked());
if (event.IsChecked())
m_listCtrl->SetAlternateRowColour(color);
else
m_listCtrl->EnableAlternateRowColours(event.IsChecked());
m_listCtrl->SetListRulesAlternateColourOnBlank(event.IsChecked(), color);
m_listCtrl->Refresh();
m_listCtrl->ExtendRulesAndAlternateColour(event.IsChecked());
}
#endif
void MyFrame::OnCustomHeaderAttr(wxCommandEvent& event)
{