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Change find-previous hotkey to Shift+F3

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The range-select behavior that was giving us problems can be worked
around by switching the control to single-select mode when changing
the selection.
This commit is contained in:
Andy McFadden 2019-10-17 12:45:10 -07:00
parent bd11aea4a4
commit c8dfa94ce2
3 changed files with 15 additions and 12 deletions
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8
SourceGen/MainController.cs
View File

@ -2191,13 +2191,7 @@ namespace SourceGen {
if (matchPos >= 0) {
//Debug.WriteLine("Match " + index + ": " + searchStr);
mMainWin.CodeListView_EnsureVisible(index);
mMainWin.CodeListView_DeselectAll();
mMainWin.CodeListView_SelectRange(index, 1);
// TODO(someday): I think we need to do something with the ListView
// keyboard nav state here. Otherwise Shift+F3 is regarded as selection
// movement with shift held down, and it does a range select. Currently
// working around this by using Ctrl+F3 instead. See also maybe the
// ItemContainerGenerator stuff in MainWindow.
return;
}
@ -2460,7 +2454,6 @@ namespace SourceGen {
mMainWin.CodeListView_EnsureVisible(topLineIndex);
// Update the selection.
mMainWin.CodeListView_DeselectAll();
mMainWin.CodeListView_SelectRange(topLineIndex, lastLineIndex - topLineIndex);
if (doPush) {
@ -2512,7 +2505,6 @@ namespace SourceGen {
mMainWin.CodeListView_EnsureVisible(lineIndex);
// Update the selection.
mMainWin.CodeListView_DeselectAll();
mMainWin.CodeListView_SelectRange(lineIndex, 1);
if (doPush) {

3
SourceGen/WpfGui/MainWindow.xaml
View File

@ -103,8 +103,7 @@ limitations under the License.
</RoutedUICommand>
<RoutedUICommand x:Key="FindPreviousCmd" Text="Find Previous">
<RoutedUICommand.InputGestures>
<!-- should be Shift+F3, but that causes ListView to do range selection -->
<KeyGesture>Ctrl+F3</KeyGesture>
<KeyGesture>Shift+F3</KeyGesture>
</RoutedUICommand.InputGestures>
</RoutedUICommand>
<RoutedUICommand x:Key="FormatAsWordCmd" Text="Format As Word">

16
SourceGen/WpfGui/MainWindow.xaml.cs
View File

@ -758,7 +758,7 @@ namespace SourceGen.WpfGui {
}
/// <summary>
/// Selects a range of values. Does not clear the previous selection.
/// Selects a range of values. Clears the previous selection.
/// </summary>
/// <param name="start">First line to select.</param>
/// <param name="count">Number of lines to select.</param>
@ -766,8 +766,20 @@ namespace SourceGen.WpfGui {
Debug.Assert(start >= 0 && start < CodeDisplayList.Count);
Debug.Assert(count > 0 && start + count <= CodeDisplayList.Count);
CodeListView_DeselectAll();
if (count == 1) {
codeListView.SelectedItems.Add(CodeDisplayList[start]);
//codeListView.SelectedItems.Add(CodeDisplayList[start]);
// Special handling for single-item selection, for the benefit of Shift+F3. If
// we're in multi-select mode, and we select an item while the shift key is
// down, the control will do a range select instead (as if you shift-clicked).
// We work around this by temporarily switching to single-select mode.
//
// This could cause problems if we wanted to select multiple single lines.
codeListView.SelectionMode = SelectionMode.Single;
codeListView.SelectedItem = CodeDisplayList[start];
codeListView.SelectionMode = SelectionMode.Extended;
return;
}