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Remove partial support for vertical zoom in the summary, basically because it's quite hard. See comments.

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git-svn-id: svn://localhost/ardour2/branches/3.0@5204 d708f5d6-7413-0410-9779-e7cbd77b26cf
This commit is contained in:
Carl Hetherington 2009-06-17 00:16:52 +00:00
parent 84184cbf7f
commit 5d285c0d64
2 changed files with 17 additions and 57 deletions
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59
gtk2_ardour/editor_summary.cc
View File

@ -332,47 +332,22 @@ EditorSummary::on_button_press_event (GdkEventButton* ev)
if (Keyboard::modifier_state_equals (ev->state, Keyboard::PrimaryModifier)) {
/* modifier-click inside the view rectangle: start a zoom drag */
_zoom_position = NONE;
double const hx = (xr.first + xr.second) * 0.5;
_zoom_left = ev->x < hx;
_zoom_dragging = true;
_editor->_dragging_playhead = true;
double const x1 = xr.first + (xr.second - xr.first) * 0.33;
double const x2 = xr.first + (xr.second - xr.first) * 0.67;
double const y1 = yr.first + (yr.second - yr.first) * 0.33;
double const y2 = yr.first + (yr.second - yr.first) * 0.67;
/* In theory, we could support vertical dragging, which logically
might scale track heights in order to make the editor reflect
the dragged viewbox. However, having tried this:
a) it's hard to do
b) it's quite slow
c) it doesn't seem particularly useful, especially with the
limited height of the summary
if (ev->x < x1) {
if (ev->y < y1) {
_zoom_position = TOP_LEFT;
} else if (ev->y > y2) {
_zoom_position = BOTTOM_LEFT;
} else {
_zoom_position = LEFT;
}
} else if (ev->x > x2) {
if (ev->y < y1) {
_zoom_position = TOP_RIGHT;
} else if (ev->y > y2) {
_zoom_position = BOTTOM_RIGHT;
} else {
_zoom_position = RIGHT;
}
} else {
if (ev->y < y1) {
_zoom_position = TOP;
} else if (ev->y > y2) {
_zoom_position = BOTTOM;
}
}
if (_zoom_position != NONE) {
_zoom_dragging = true;
_editor->_dragging_playhead = true;
}
So at the moment we don't support that...
*/
} else {
@ -424,11 +399,9 @@ EditorSummary::on_motion_notify_event (GdkEventMotion* ev)
double const dx = ev->x - _start_mouse_x;
if (_zoom_position == TOP_LEFT || _zoom_position == LEFT || _zoom_position == BOTTOM_LEFT) {
if (_zoom_left) {
xr.first += dx;
}
if (_zoom_position == TOP_RIGHT || _zoom_position == RIGHT || _zoom_position == BOTTOM_RIGHT) {
} else {
xr.second += dx;
}

15
gtk2_ardour/editor_summary.h
View File

@ -77,20 +77,7 @@ private:
bool _moved;
bool _zoom_dragging;
enum ZoomPosition {
TOP_LEFT,
TOP,
TOP_RIGHT,
RIGHT,
BOTTOM_RIGHT,
BOTTOM,
BOTTOM_LEFT,
LEFT,
NONE
};
ZoomPosition _zoom_position;
bool _zoom_left;
};
#endif