diff options
author | Carl Hetherington <carl@carlh.net> | 2010-01-16 00:44:56 +0000 |
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committer | Carl Hetherington <carl@carlh.net> | 2010-01-16 00:44:56 +0000 |
commit | 5bdc03ab5ce43722e175b5bc139f768e9cb0a744 (patch) | |
tree | 33a867f5bf1aa5251bd3e692d07c237f624ba47f /gtk2_ardour/editor_summary.cc | |
parent | d73d3f3652edc8f249f483f1b3bd7594842130bc (diff) |
When dragging the summary viewbox with a click outside the viewbox, clamp x and y
if the drag started below/above or to the left/right of the box, respectively.
Also scale maximum track height in the summary according to the summary's height.
git-svn-id: svn://localhost/ardour2/branches/3.0@6504 d708f5d6-7413-0410-9779-e7cbd77b26cf
Diffstat (limited to 'gtk2_ardour/editor_summary.cc')
-rw-r--r-- | gtk2_ardour/editor_summary.cc | 34 |
1 files changed, 28 insertions, 6 deletions
diff --git a/gtk2_ardour/editor_summary.cc b/gtk2_ardour/editor_summary.cc index aae814d8e5..a6168fee2a 100644 --- a/gtk2_ardour/editor_summary.cc +++ b/gtk2_ardour/editor_summary.cc @@ -153,11 +153,10 @@ EditorSummary::render (cairo_t* cr) _y_scale = static_cast<double> (_height) / h; /* tallest a region should ever be in the summary, in pixels */ - int const tallest_region_pixels = 4; + int const tallest_region_pixels = _height / 16; if (max_height * _y_scale > tallest_region_pixels) { _y_scale = static_cast<double> (tallest_region_pixels) / max_height; - } /* render regions */ @@ -292,6 +291,22 @@ EditorSummary::on_button_press_event (GdkEventButton* ev) _start_mouse_x = ev->x; _start_mouse_y = ev->y; + if ( + _start_editor_x.first <= _start_mouse_x && _start_mouse_x <= _start_editor_x.second && + _start_editor_y.first <= _start_mouse_y && _start_mouse_y <= _start_editor_y.second + ) { + + _start_position = IN_VIEWBOX; + + } else if (_start_editor_x.first <= _start_mouse_x && _start_mouse_x <= _start_editor_x.second) { + + _start_position = BELOW_OR_ABOVE_VIEWBOX; + + } else { + + _start_position = TO_LEFT_OR_RIGHT_OF_VIEWBOX; + } + if (Keyboard::modifier_state_equals (ev->state, Keyboard::PrimaryModifier)) { /* primary-modifier-click: start a zoom drag */ @@ -358,10 +373,17 @@ EditorSummary::on_motion_notify_event (GdkEventMotion* ev) _moved = true; - xr.first += ev->x - _start_mouse_x; - xr.second += ev->x - _start_mouse_x; - yr.first += ev->y - _start_mouse_y; - yr.second += ev->y - _start_mouse_y; + /* don't alter x if we clicked outside and above or below the viewbox */ + if (_start_position == IN_VIEWBOX || _start_position == TO_LEFT_OR_RIGHT_OF_VIEWBOX) { + xr.first += ev->x - _start_mouse_x; + xr.second += ev->x - _start_mouse_x; + } + + /* don't alter y if we clicked outside and to the left or right of the viewbox */ + if (_start_position == IN_VIEWBOX || _start_position == BELOW_OR_ABOVE_VIEWBOX) { + yr.first += ev->y - _start_mouse_y; + yr.second += ev->y - _start_mouse_y; + } if (xr.first < 0) { xr.second -= xr.first; |