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split tooltip and drag drag windows apart, for better functionality 

git-svn-id: svn://localhost/ardour2/branches/3.0@8383 d708f5d6-7413-0410-9779-e7cbd77b26cf
This commit is contained in:
Paul Davis 2010-12-30 14:37:40 +00:00
parent cf9f7d17cc
commit 0218522b72
2 changed files with 65 additions and 9 deletions
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67
gtk2_ardour/stereo_panner.cc
View File

@ -64,6 +64,8 @@ StereoPanner::StereoPanner (boost::shared_ptr<PBD::Controllable> position, boost
, drag_start_x (0)
, last_drag_x (0)
, accumulated_delta (0)
, drag_data_window (0)
, drag_data_label (0)
{
if (!have_colors) {
set_colors ();
@ -72,8 +74,8 @@ StereoPanner::StereoPanner (boost::shared_ptr<PBD::Controllable> position, boost
position_control->Changed.connect (connections, invalidator(*this), boost::bind (&StereoPanner::value_change, this), gui_context());
width_control->Changed.connect (connections, invalidator(*this), boost::bind (&StereoPanner::value_change, this), gui_context());
set_tooltip ();
set_tooltip ();
set_flags (Gtk::CAN_FOCUS);
add_events (Gdk::ENTER_NOTIFY_MASK|Gdk::LEAVE_NOTIFY_MASK|
@ -87,11 +89,30 @@ StereoPanner::StereoPanner (boost::shared_ptr<PBD::Controllable> position, boost
StereoPanner::~StereoPanner ()
{
delete drag_data_window;
}
void
StereoPanner::set_tooltip ()
{
Gtkmm2ext::UI::instance()->set_tip (this,
string_compose (_("0 -> set width to zero\n%4-uparrow -> set width to 100\n%4-downarrow -> set width to -100"),
Keyboard::secondary_modifier_name()).c_str());
}
void
StereoPanner::unset_tooltip ()
{
Gtkmm2ext::UI::instance()->set_tip (this, "");
}
void
StereoPanner::set_drag_data ()
{
if (!drag_data_label) {
return;
}
double pos = position_control->get_value(); // 0..1
/* We show the position of the center of the image relative to the left & right.
@ -102,18 +123,16 @@ StereoPanner::set_tooltip ()
the center of the USA isn't Kansas, its (50LA, 50NY) and it will all make sense.
*/
Gtkmm2ext::UI::instance()->set_tip (this,
string_compose (_("L:%1 R:%2 Width: %3%%\n\n0 -> set width to zero\n%4-uparrow -> set width to 100\n%4-downarrow -> set width to -100"),
(int) rint (100.0 * (1.0 - pos)),
(int) rint (100.0 * pos),
(int) floor (100.0 * width_control->get_value()),
Keyboard::secondary_modifier_name()).c_str());
drag_data_label->set_markup (string_compose (_("L:%1 R:%2 Width: %3%%"),
(int) rint (100.0 * (1.0 - pos)),
(int) rint (100.0 * pos),
(int) floor (100.0 * width_control->get_value())));
}
void
StereoPanner::value_change ()
{
set_tooltip ();
set_drag_data ();
queue_draw ();
}
@ -329,6 +348,13 @@ StereoPanner::on_button_release_event (GdkEventButton* ev)
dragging_left = false;
dragging_right = false;
accumulated_delta = 0;
if (drag_data_window) {
drag_data_window->hide ();
}
set_tooltip ();
return true;
}
@ -375,6 +401,31 @@ StereoPanner::on_motion_notify_event (GdkEventMotion* ev)
return false;
}
if (!drag_data_window) {
drag_data_window = new Window (WINDOW_POPUP);
drag_data_window->set_position (WIN_POS_MOUSE);
drag_data_window->set_decorated (false);
drag_data_label = manage (new Label);
drag_data_label->set_use_markup (true);
drag_data_window->set_border_width (6);
drag_data_window->add (*drag_data_label);
drag_data_label->show ();
Window* toplevel = dynamic_cast<Window*> (get_toplevel());
if (toplevel) {
drag_data_window->set_transient_for (*toplevel);
}
}
if (!drag_data_window->is_visible ()) {
/* move the window a little away from the mouse */
drag_data_window->move (ev->x_root+30, ev->y_root+30);
drag_data_window->present ();
unset_tooltip ();
}
int w = get_width();
double delta = (ev->x - last_drag_x) / (double) w;

7
gtk2_ardour/stereo_panner.h
View File

@ -58,9 +58,14 @@ class StereoPanner : public Gtk::DrawingArea
int last_drag_x;
double accumulated_delta;
Gtk::Window* drag_data_window;
Gtk::Label* drag_data_label;
void value_change ();
void set_drag_data ();
void set_tooltip ();
void unset_tooltip ();
struct ColorScheme {
uint32_t outline;
uint32_t fill;