*/
#include <pbd/error.h>
+#include <pbd/stacktrace.h>
#include <ardour/types.h>
#include <ardour/ardour.h>
layout->set_font_description (NAME_FONT);
Gtkmm2ext::get_ink_pixel_size (layout, width, height);
- NAME_Y_OFFSET = height + 4;
+ NAME_Y_OFFSET = height + 6;
NAME_HIGHLIGHT_SIZE = height + 6;
NAME_HIGHLIGHT_THRESH = NAME_HIGHLIGHT_SIZE * 2;
have_name_font = true;
}
+ group = new ArdourCanvas::Group (parent);
+
+ init (it_name, spu, base_color, start, duration, vis);
+
+}
+
+TimeAxisViewItem::TimeAxisViewItem (const TimeAxisViewItem& other)
+ : trackview (other.trackview)
+{
+
+ Gdk::Color c;
+ int r,g,b,a;
+
+ UINT_TO_RGBA (other.fill_color, &r, &g, &b, &a);
+ c.set_rgb_p (r/255.0, g/255.0, b/255.0);
+
+ /* share the other's parent, but still create a new group */
+
+ Gnome::Canvas::Group* parent = other.group->property_parent();
+
+ group = new ArdourCanvas::Group (*parent);
+
+ init (other.item_name, other.samples_per_unit, c, other.frame_position, other.item_duration, other.visibility);
+}
+
+
+void
+TimeAxisViewItem::init (const string& it_name, double spu, Gdk::Color& base_color, nframes_t start, nframes_t duration, Visibility vis)
+{
item_name = it_name ;
+ name_text_width = ::pixel_width (it_name, NAME_FONT);
+ last_name_text_width = 0;
samples_per_unit = spu ;
should_show_selection = true;
frame_position = start ;
item_duration = duration ;
name_connected = false;
- fill_opacity = 130;
+ fill_opacity = 60;
position_locked = false ;
max_item_duration = ARDOUR::max_frames;
min_item_duration = 0 ;
show_vestigial = true;
visibility = vis;
+ _sensitive = true;
if (duration == 0) {
warning << "Time Axis Item Duration == 0" << endl ;
}
- group = new ArdourCanvas::Group (parent);
-
vestigial_frame = new ArdourCanvas::SimpleRect (*group);
vestigial_frame->property_x1() = (double) 0.0;
vestigial_frame->property_y1() = (double) 1.0;
set_position (start, this) ;
}
-
/**
* Destructor
*/
if (new_name != item_name) {
std::string temp_name = item_name ;
item_name = new_name ;
+ name_text_width = ::pixel_width (new_name, NAME_FONT);
NameChanged (item_name, temp_name, src) ; /* EMIT_SIGNAL */
}
}
* @param new_name the new name text to display
*/
void
-TimeAxisViewItem::set_name_text(std::string new_name)
+TimeAxisViewItem::set_name_text(const ustring& new_name)
{
if (name_text) {
- name_text->property_text() = new_name.c_str();
+ name_text->property_text() = new_name;
+ name_text_width = pixel_width (new_name, NAME_FONT);
+ name_text_size_cache.clear ();
}
}
/**
- * Set the height of this item
+ * Set the y position and height of this item.
*
+ * @param y the new y position
* @param h the new height
*/
void
-TimeAxisViewItem::set_height(double height)
+TimeAxisViewItem::set_y_position_and_height (double y, double h)
{
if (name_highlight) {
- if (height < NAME_HIGHLIGHT_THRESH) {
+ if (h < NAME_HIGHLIGHT_THRESH) {
name_highlight->hide();
if (name_text) {
name_text->hide();
}
}
- if (height > NAME_HIGHLIGHT_SIZE) {
- name_highlight->property_y1() = (double) height+1 - NAME_HIGHLIGHT_SIZE;
- name_highlight->property_y2() = (double) height;
+ if (h > NAME_HIGHLIGHT_SIZE) {
+ name_highlight->property_y1() = (double) y + h + 1 - NAME_HIGHLIGHT_SIZE;
+ name_highlight->property_y2() = (double) y + h;
}
else {
/* it gets hidden now anyway */
- name_highlight->property_y1() = (double) 1.0;
- name_highlight->property_y2() = (double) height;
+ name_highlight->property_y1() = (double) y;
+ name_highlight->property_y2() = (double) y + h;
}
}
if (name_text) {
- name_text->property_y() = height+1 - NAME_Y_OFFSET;
- if (height < NAME_HIGHLIGHT_THRESH) {
+ name_text->property_y() = y + h + 1 - NAME_Y_OFFSET;
+ if (h < NAME_HIGHLIGHT_THRESH) {
name_text->property_fill_color_rgba() = fill_color;
}
else {
}
if (frame) {
- frame->property_y2() = height+1;
+ frame->property_y1() = y;
+ frame->property_y2() = y + h + 1;
}
- vestigial_frame->property_y2() = height+1;
+ vestigial_frame->property_y1() = y;
+ vestigial_frame->property_y2() = y + h + 1;
}
/**
if (name_text == 0) {
return;
}
-
- int width;
-
- ustring ustr = fit_to_pixels (item_name, (int) floor (pixel_width - NAME_X_OFFSET), NAME_FONT, width);
- if (ustr.empty()) {
-
- name_text->hide ();
-
- } else {
-
- /* don't use name for event handling if it leaves no room
- for trimming to work.
- */
+ int limit = (int) floor (pixel_width - NAME_X_OFFSET);
+ bool shrinking = (last_name_text_width > pixel_width);
+ int actual_width;
+ ustring ustr;
+ ustring::size_type n;
+
+ if ((last_name_text_width && // we did this once
+ shrinking && // we're getting smaller
+ (name_text_width <= limit) && // fits the new size
+ (name_text_width <= last_name_text_width - NAME_X_OFFSET))) { // fit into the old size too
+ last_name_text_width = pixel_width;
+ return;
+ }
+
+ /* now check the cache of existing truncations */
+
+ Gtk::Label foo;
+ Glib::RefPtr<Pango::Layout> layout = foo.create_pango_layout ("");
+
+ for (n = item_name.length(); n > 0; --n) {
- if (pixel_width - width < (NAME_X_OFFSET * 2.0)) {
- if (name_connected) {
- name_connected = false;
+ map<ustring::size_type,int>::iterator i;
+
+ if ((i = name_text_size_cache.find (n)) != name_text_size_cache.end()) {
+
+ /* we know the length of this substring already */
+
+ if ((actual_width = (*i).second) < limit) {
+
+ /* it fits, use it */
+
+ ustr = item_name.substr (0, n);
+ break;
}
+
} else {
- if (!name_connected) {
- name_connected = true;
+
+ /* we don't know the length of this substring already, so compute
+ it and put it into the cache.
+ */
+
+ layout->set_text (item_name.substr (0, n));
+
+ int width, height;
+ Gtkmm2ext::get_ink_pixel_size (layout, width, height);
+
+ name_text_size_cache[n] = width;
+
+ if ((actual_width = width) < limit) {
+ ustr = item_name.substr (0, n);
+ break;
}
}
-
- name_text->property_text() = ustr;
- name_text->show();
}
+
+ if (n == 0) {
+ name_text->property_text() = "";
+ last_name_text_width = pixel_width;
+ return;
+ }
+
+ /* don't use name for event handling if it leaves no room
+ for trimming to work.
+ */
+
+ if (pixel_width - actual_width < (NAME_X_OFFSET * 2.0)) {
+ if (name_connected) {
+ name_connected = false;
+ }
+ } else {
+ if (!name_connected) {
+ name_connected = true;
+ }
+ }
+
+ name_text->property_text() = ustr;
+ name_text_width = actual_width;
+ name_text->show();
+ last_name_text_width = pixel_width;
+
}
projects / ardour.git / blobdiff