private void FocusMod(string key, bool exactMatch, bool showAsFirst = false)
{
DataGridViewRow current_row = ModList.CurrentRow;
int currentIndex = current_row != null ? current_row.Index : 0;
DataGridViewRow first_match = null;
var does_name_begin_with_key = new Func <DataGridViewRow, bool>(row =>
{
GUIMod mod = row.Tag as GUIMod;
bool row_match = false;
if (exactMatch)
{
row_match = mod.Name == key || mod.Identifier == key;
}
else
{
row_match = mod.Name.StartsWith(key, StringComparison.OrdinalIgnoreCase) ||
mod.Abbrevation.StartsWith(key, StringComparison.OrdinalIgnoreCase) ||
mod.Identifier.StartsWith(key, StringComparison.OrdinalIgnoreCase);
}
if (row_match && first_match == null)
{
// Remember the first match to allow cycling back to it if necessary
first_match = row;
}
if (key.Length == 1 && row_match && row.Index <= currentIndex)
{
// Keep going forward if it's a single key match and not ahead of the current row
return(false);
}
return(row_match);
});
ModList.ClearSelection();
var rows = ModList.Rows.Cast <DataGridViewRow>().Where(row => row.Visible);
DataGridViewRow match = rows.FirstOrDefault(does_name_begin_with_key);
if (match == null && first_match != null)
{
// If there were no matches after the first match, cycle over to the beginning
match = first_match;
}
if (match != null)
{
match.Selected = true;
// Setting this to the Name cell prevents the checkbox from being toggled
// by pressing Space while the row is not indicated as active
ModList.CurrentCell = match.Cells[2];
if (showAsFirst)
{
ModList.FirstDisplayedScrollingRowIndex = match.Index;
}
}
else
{
this.AddStatusMessage("Not found");
}
}
/// <summary>
/// Called on key press when the mod is focused. Scrolls to the first mod
/// with name begining with the key pressed.
/// </summary>
private void ModList_KeyPress(object sender, KeyPressEventArgs e)
{
var rows = ModList.Rows.Cast <DataGridViewRow>().Where(row => row.Visible);
var does_name_begin_with_char = new Func <DataGridViewRow, bool>(row =>
{
var modname = ((CkanModule)row.Tag).name;
var key = e.KeyChar.ToString();
return(modname.StartsWith(key, StringComparison.OrdinalIgnoreCase));
});
ModList.ClearSelection();
DataGridViewRow match = rows.FirstOrDefault(does_name_begin_with_char);
if (match != null)
{
match.Selected = true;
if (Util.IsLinux)
{
try
{
var first_row_index = ModList.GetType().GetField("first_row_index",
BindingFlags.NonPublic | BindingFlags.Instance);
var vertical_scroll_bar = ModList.GetType().GetField("verticalScrollBar",
BindingFlags.NonPublic | BindingFlags.Instance).GetValue(ModList);
var safe_set_method = vertical_scroll_bar.GetType().GetMethod("SafeValueSet",
BindingFlags.NonPublic | BindingFlags.Instance);
first_row_index.SetValue(ModList, match.Index);
safe_set_method.Invoke(vertical_scroll_bar,
new object[] { match.Index *match.Height });
}
catch
{
//Compared to crashing ignoring the keypress is fine.
}
ModList.FirstDisplayedScrollingRowIndex = match.Index;
ModList.Refresh();
}
else
{
//Not the best of names. Why not FirstVisableRowIndex?
ModList.FirstDisplayedScrollingRowIndex = match.Index;
}
}
}
private void ModList_MouseDown(object sender, MouseEventArgs e)
{
var rowIndex = ModList.HitTest(e.X, e.Y).RowIndex;
// Ignore header column to prevent errors.
if (rowIndex != -1 && e.Button == MouseButtons.Right)
{
// Detect the clicked cell and select the row.
ModList.ClearSelection();
ModList.Rows[rowIndex].Selected = true;
// Show the context menu.
ModListContextMenuStrip.Show(ModList, new Point(e.X, e.Y));
// Set the menu options.
var guiMod = (GUIMod)ModList.Rows[rowIndex].Tag;
downloadContentsToolStripMenuItem.Enabled = !guiMod.IsCached;
reinstallToolStripMenuItem.Enabled = guiMod.IsInstalled;
}
}
/// <summary>
/// Called on key press when the mod is focused. Scrolls to the first mod
/// with name begining with the key pressed. If space is pressed, the checkbox
/// at the current row is toggled.
/// </summary>
private void ModList_KeyPress(object sender, KeyPressEventArgs e)
{
// Check the key. If it is space, mark the current mod as selected.
if (e.KeyChar.ToString() == " ")
{
var selected_row = ModList.CurrentRow;
if (selected_row != null)
{
// Get the checkbox.
var selected_row_check_box = selected_row.Cells["Installed"] as DataGridViewCheckBoxCell;
// Invert the value.
if (selected_row_check_box != null)
{
bool selected_value = (bool)selected_row_check_box.Value;
selected_row_check_box.Value = !selected_value;
}
}
e.Handled = true;
return;
}
var rows = ModList.Rows.Cast <DataGridViewRow>().Where(row => row.Visible);
var does_name_begin_with_char = new Func <DataGridViewRow, bool>(row =>
{
var modname = ((GUIMod)row.Tag).ToCkanModule().name;
var key = e.KeyChar.ToString();
return(modname.StartsWith(key, StringComparison.OrdinalIgnoreCase));
});
ModList.ClearSelection();
DataGridViewRow match = rows.FirstOrDefault(does_name_begin_with_char);
if (match != null)
{
match.Selected = true;
ModList.CurrentCell = match.Cells[0];
}
}
/// <summary>
/// Called on key press when the mod is focused. Scrolls to the first mod
/// with name begining with the key pressed. If more than one unique keys are pressed
/// in under a second, it searches for the combination of the keys pressed.
/// If the same key is being pressed repeatedly, it cycles through mods names
/// beginnng with that key. If space is pressed, the checkbox at the current row is toggled.
/// </summary>
private void ModList_KeyPress(object sender, KeyPressEventArgs e)
{
var current_row = ModList.CurrentRow;
var key = e.KeyChar.ToString();
// Check the key. If it is space and the current row is selected, mark the current mod as selected.
if (key == " ")
{
if (current_row != null && current_row.Selected)
{
// Get the checkbox.
var selected_row_check_box = current_row.Cells["Installed"] as DataGridViewCheckBoxCell;
// Invert the value.
if (selected_row_check_box != null)
{
bool selected_value = (bool)selected_row_check_box.Value;
selected_row_check_box.Value = !selected_value;
}
}
e.Handled = true;
return;
}
if (e.KeyChar == (char)Keys.Enter)
{
// Don't try to search for newlines
return;
}
var rows = ModList.Rows.Cast <DataGridViewRow>().Where(row => row.Visible);
// Determine time passed since last key press
TimeSpan interval = DateTime.Now - this.lastSearchTime;
if (interval.TotalSeconds < 1)
{
// Last keypress was < 1 sec ago, so combine the last and current keys
key = this.lastSearchKey + key;
}
// Remember the current time and key
this.lastSearchTime = DateTime.Now;
this.lastSearchKey = key;
if (key.Distinct().Count() == 1)
{
// Treat repeating and single keypresses the same
key = key.Substring(0, 1);
}
var current_name = ((GUIMod)current_row.Tag).ToCkanModule().name;
var current_match = current_name.StartsWith(key, StringComparison.OrdinalIgnoreCase);
DataGridViewRow first_match = null;
var does_name_begin_with_key = new Func <DataGridViewRow, bool>(row =>
{
var modname = ((GUIMod)row.Tag).ToCkanModule().name;
var row_match = modname.StartsWith(key, StringComparison.OrdinalIgnoreCase);
if (row_match && first_match == null)
{
// Remember the first match to allow cycling back to it if necessary
first_match = row;
}
if (key.Length == 1 && row_match && row.Index <= current_row.Index)
{
// Keep going forward if it's a single key match and not ahead of the current row
return(false);
}
return(row_match);
});
ModList.ClearSelection();
DataGridViewRow match = rows.FirstOrDefault(does_name_begin_with_key);
if (match == null && first_match != null)
{
// If there were no matches after the first match, cycle over to the beginning
match = first_match;
}
if (match != null)
{
match.Selected = true;
// Setting this to the Name cell prevents the checkbox from being toggled
// by pressing Space while the row is not indicated as active
ModList.CurrentCell = match.Cells[2];
}
else
{
this.AddStatusMessage("Not found");
}
e.Handled = true;
}