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the continuing co-evolution of Editor,EditingContext & MidiCueEditor

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This commit is contained in:
Paul Davis 2024-02-04 21:21:00 -07:00
parent 10244c0360
commit f425a974d6
13 changed files with 163 additions and 140 deletions
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81
gtk2_ardour/editing_context.cc
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@ -61,6 +61,7 @@ Gtkmm2ext::Bindings* EditingContext::button_bindings = nullptr;
Glib::RefPtr<Gtk::ActionGroup> EditingContext::_midi_actions;
std::queue<EditingContext*> EditingContext::ec_stack;
std::vector<std::string> EditingContext::grid_type_strings;
MouseCursors* EditingContext::_cursors = nullptr;
static const gchar *_grid_type_strings[] = {
N_("No Grid"),
@ -106,7 +107,6 @@ EditingContext::EditingContext ()
, selection (new Selection (this, true))
, cut_buffer (new Selection (this, false))
, _selection_memento (new SelectionMemento())
, _cursors (nullptr)
, _verbose_cursor (nullptr)
, samples_per_pixel (2048)
, zoom_focus (ZoomFocusPlayhead)
@ -116,6 +116,8 @@ EditingContext::EditingContext ()
, _visible_canvas_width (0)
, _visible_canvas_height (0)
, quantize_dialog (nullptr)
, vertical_adjustment (0.0, 0.0, 10.0, 400.0)
, horizontal_adjustment (0.0, 0.0, 1e16)
{
if (!button_bindings) {
button_bindings = new Bindings ("editor-mouse");
@ -131,6 +133,12 @@ EditingContext::EditingContext ()
if (grid_type_strings.empty()) {
grid_type_strings = I18N (_grid_type_strings);
}
if (!_cursors) {
_cursors = new MouseCursors;
_cursors->set_cursor_set (UIConfiguration::instance().get_icon_set());
std::cerr << "Set cursor set to " << UIConfiguration::instance().get_icon_set() << std::endl;
}
}
EditingContext::~EditingContext()
@ -1978,3 +1986,74 @@ EditingContext::pop_editing_context ()
{
ec_stack.pop ();
}
double
EditingContext::horizontal_position () const
{
return sample_to_pixel (_leftmost_sample);
}
void
EditingContext::set_horizontal_position (double p)
{
p = std::max (0., p);
std::cerr << "new hp: " << p << std::endl;
horizontal_adjustment.set_value (p);
_leftmost_sample = (samplepos_t) floor (p * samples_per_pixel);
}
Gdk::Cursor*
EditingContext::get_canvas_cursor () const
{
/* The top of the cursor stack is always the currently visible cursor. */
return _cursor_stack.back();
}
void
EditingContext::set_canvas_cursor (Gdk::Cursor* cursor)
{
Glib::RefPtr<Gdk::Window> win = get_canvas_viewport()->get_window();
if (win && !_cursors->is_invalid (cursor)) {
/* glibmm 2.4 doesn't allow null cursor pointer because it uses
a Gdk::Cursor& as the argument to Gdk::Window::set_cursor().
But a null pointer just means "use parent window cursor",
and so should be allowed. Gtkmm 3.x has fixed this API.
For now, drop down and use C API
*/
gdk_window_set_cursor (win->gobj(), cursor ? cursor->gobj() : 0);
}
}
size_t
EditingContext::push_canvas_cursor (Gdk::Cursor* cursor)
{
if (!_cursors->is_invalid (cursor)) {
_cursor_stack.push_back (cursor);
set_canvas_cursor (cursor);
}
return _cursor_stack.size() - 1;
}
void
EditingContext::pop_canvas_cursor ()
{
while (true) {
if (_cursor_stack.size() <= 1) {
PBD::error << "attempt to pop default cursor" << endmsg;
return;
}
_cursor_stack.pop_back();
if (_cursor_stack.back()) {
/* Popped to an existing cursor, we're done. Otherwise, the
context that created this cursor has been destroyed, so we need
to skip to the next down the stack. */
set_canvas_cursor (_cursor_stack.back());
return;
}
}
}