better detent handling, and dbl-click behaviour for lower half improvements
git-svn-id: svn://localhost/ardour2/branches/3.0@8391 d708f5d6-7413-0410-9779-e7cbd77b26cf
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@ -64,6 +64,7 @@ StereoPanner::StereoPanner (boost::shared_ptr<PBD::Controllable> position, boost
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, drag_start_x (0)
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, drag_start_x (0)
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, last_drag_x (0)
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, last_drag_x (0)
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, accumulated_delta (0)
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, accumulated_delta (0)
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, detented (false)
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, drag_data_window (0)
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, drag_data_window (0)
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, drag_data_label (0)
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, drag_data_label (0)
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{
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{
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@ -289,7 +290,59 @@ StereoPanner::on_button_press_event (GdkEventButton* ev)
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dragging_position = false;
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dragging_position = false;
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dragging_left = false;
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dragging_left = false;
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dragging_right = false;
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dragging_right = false;
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dragging = false;
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accumulated_delta = 0;
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accumulated_delta = 0;
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detented = false;
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if (ev->type == GDK_2BUTTON_PRESS) {
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int width = get_width();
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if (Keyboard::modifier_state_contains (ev->state, Keyboard::TertiaryModifier)) {
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/* handled by button release */
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return true;
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}
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if (ev->y < 20) {
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/* lower section: adjusts position, constrained by width */
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if (ev->x >= width/2 - 10 && ev->x <= width/2 + 10) {
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/* double click near center, reset position to center */
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position_control->set_value (0.5);
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} else {
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if (ev->x < width/2) {
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/* double click on left, collapse to hard left */
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width_control->set_value (0);
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position_control->set_value (0);
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} else {
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/* double click on right, collapse to hard right */
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width_control->set_value (0);
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position_control->set_value (1.0);
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}
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}
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} else {
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/* lower section: adjusts width, constrained by position */
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if (ev->x <= width/3) {
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/* left side dbl click */
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width_control->set_value (1.0); // reset width to 100%
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} else if (ev->x > 2*width/3) {
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/* right side dbl click */
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width_control->set_value (-1.0); // reset width to inverted 100%
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} else {
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/* center dbl click */
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width_control->set_value (0); // collapse width to 0%
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}
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}
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dragging = false;
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} else if (ev->type == GDK_BUTTON_PRESS) {
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if (Keyboard::modifier_state_contains (ev->state, Keyboard::TertiaryModifier)) {
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/* handled by button release */
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return true;
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}
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if (ev->y < 20) {
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if (ev->y < 20) {
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/* top section of widget is for position drags */
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/* top section of widget is for position drags */
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@ -314,37 +367,6 @@ StereoPanner::on_button_press_event (GdkEventButton* ev)
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}
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}
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if (ev->type == GDK_2BUTTON_PRESS) {
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if (dragging_position) {
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int width = get_width();
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if (ev->x >= width/2 - 10 && ev->x <= width/2 + 10) {
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/* double click near center, reset position to center */
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position_control->set_value (0.5);
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} else {
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if (ev->x < width/2) {
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/* double click on left, collapse to hard left */
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width_control->set_value (0);
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position_control->set_value (0);
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} else {
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/* double click on right, collapse to hard right */
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width_control->set_value (0);
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position_control->set_value (1.0);
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}
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}
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} else {
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if (dragging_left) {
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width_control->set_value (1.0); // reset width to 100%
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} else if (dragging_right) {
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width_control->set_value (-1.0); // reset width to inverted 100%
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} else {
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width_control->set_value (0); // collapse width to 0%
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}
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}
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dragging = false;
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} else {
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dragging = true;
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dragging = true;
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}
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}
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@ -359,11 +381,18 @@ StereoPanner::on_button_release_event (GdkEventButton* ev)
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dragging_left = false;
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dragging_left = false;
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dragging_right = false;
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dragging_right = false;
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accumulated_delta = 0;
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accumulated_delta = 0;
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detented = false;
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if (drag_data_window) {
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if (drag_data_window) {
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drag_data_window->hide ();
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drag_data_window->hide ();
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}
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}
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if (Keyboard::modifier_state_contains (ev->state, Keyboard::TertiaryModifier)) {
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/* reset to default */
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position_control->set_value (0.5);
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width_control->set_value (1.0);
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}
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set_tooltip ();
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set_tooltip ();
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return true;
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return true;
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@ -452,16 +481,24 @@ StereoPanner::on_motion_notify_event (GdkEventMotion* ev)
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/* create a detent close to the center */
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/* create a detent close to the center */
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if (fabs (current_width) < 0.1) {
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if (!detented && fabs (current_width) < 0.02) {
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accumulated_delta += delta;
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detented = true;
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/* in the detent - have we pulled far enough to escape ? */
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if (fabs (accumulated_delta) >= 0.1) {
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width_control->set_value (current_width + accumulated_delta);
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accumulated_delta = 0;
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} else {
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/* snap to zero */
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/* snap to zero */
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width_control->set_value (0);
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width_control->set_value (0);
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}
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}
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if (detented) {
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accumulated_delta += delta;
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/* have we pulled far enough to escape ? */
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if (fabs (accumulated_delta) >= 0.1) {
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width_control->set_value (current_width + accumulated_delta);
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detented = false;
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accumulated_delta = false;
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}
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} else {
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} else {
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width_control->set_value (current_width + delta);
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width_control->set_value (current_width + delta);
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}
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}
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