along with this program; if not, write to the Free Software
Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
- $Id$
*/
#include <pbd/error.h>
+#include <pbd/stacktrace.h>
#include <ardour/types.h>
#include <ardour/ardour.h>
+#include <gtkmm2ext/utils.h>
+
#include "public_editor.h"
#include "time_axis_view_item.h"
#include "time_axis_view.h"
#include "simplerect.h"
#include "utils.h"
+#include "canvas_impl.h"
#include "rgb_macros.h"
+#include "ardour_ui.h"
#include "i18n.h"
using namespace std;
using namespace Editing;
+using namespace Glib;
+using namespace PBD;
+using namespace ARDOUR;
//------------------------------------------------------------------------------
-/** Initialize static memeber data */
-Pango::FontDescription TimeAxisViewItem::NAME_FONT;
+/** Initialize const static memeber data */
+
+Pango::FontDescription* TimeAxisViewItem::NAME_FONT = 0;
bool TimeAxisViewItem::have_name_font = false;
const double TimeAxisViewItem::NAME_X_OFFSET = 15.0;
-const double TimeAxisViewItem::NAME_Y_OFFSET = 15.0 ; /* XXX depends a lot on the font size, sigh. */
-const double TimeAxisViewItem::NAME_HIGHLIGHT_SIZE = 15.0 ; /* ditto */
-const double TimeAxisViewItem::NAME_HIGHLIGHT_THRESH = 32.0 ; /* ditto */
const double TimeAxisViewItem::GRAB_HANDLE_LENGTH = 6 ;
+double TimeAxisViewItem::NAME_Y_OFFSET;
+double TimeAxisViewItem::NAME_HIGHLIGHT_SIZE;
+double TimeAxisViewItem::NAME_HIGHLIGHT_THRESH;
+
//---------------------------------------------------------------------------------------//
// Constructor / Desctructor
* @param start the start point of this item
* @param duration the duration of this item
*/
-TimeAxisViewItem::TimeAxisViewItem(std::string it_name, Gnome::Canvas::Group& parent, TimeAxisView& tv, double spu, Gdk::Color& base_color,
- jack_nframes_t start, jack_nframes_t duration,
- Visibility visibility)
+TimeAxisViewItem::TimeAxisViewItem(const string & it_name, ArdourCanvas::Group& parent, TimeAxisView& tv, double spu, Gdk::Color& base_color,
+ nframes_t start, nframes_t duration,
+ Visibility vis)
: trackview (tv)
{
if (!have_name_font) {
+
+ /* first constructed item sets up font info */
+
NAME_FONT = get_font_for_style (N_("TimeAxisViewItemName"));
+
+ Gtk::Window win;
+ Gtk::Label foo;
+ win.add (foo);
+
+ Glib::RefPtr<Pango::Layout> layout = foo.create_pango_layout (X_("Hg")); /* ascender + descender */
+ int width;
+ int height;
+
+ layout->set_font_description (*NAME_FONT);
+ Gtkmm2ext::get_ink_pixel_size (layout, width, height);
+
+ NAME_Y_OFFSET = height + 5;
+ 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 = 50;
+ // why? 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 Gnome::Canvas::Group (parent);
-
- vestigial_frame = new Gnome::Canvas::SimpleRect (*group);
- vestigial_frame->set_property ("x1", (double) 0.0);
- vestigial_frame->set_property ("y1", (double) 1.0);
- vestigial_frame->set_property ("x2", 2.0);
- vestigial_frame->set_property ("y2", (double) trackview.height);
- vestigial_frame->set_property ("outline_color_rgba", color_map[cVestigialFrameOutline]);
- vestigial_frame->set_property ("fill_color_rgba", color_map[cVestigialFrameFill]);
+ vestigial_frame = new ArdourCanvas::SimpleRect (*group);
+ vestigial_frame->property_x1() = (double) 0.0;
+ vestigial_frame->property_y1() = (double) 1.0;
+ vestigial_frame->property_x2() = 2.0;
+ vestigial_frame->property_y2() = (double) trackview.height;
+ vestigial_frame->property_outline_what() = 0xF;
+ vestigial_frame->property_outline_color_rgba() = ARDOUR_UI::config()->canvasvar_VestigialFrame.get();
+ vestigial_frame->property_fill_color_rgba() = ARDOUR_UI::config()->canvasvar_VestigialFrame.get();
vestigial_frame->hide ();
if (visibility & ShowFrame) {
- frame = new Gnome::Canvas::SimpleRect (*group);
- frame->set_property ("x1", (double) 0.0);
- frame->set_property ("y1", (double) 1.0);
- frame->set_property ("x2", (double) trackview.editor.frame_to_pixel(duration));
- frame->set_property ("y2", (double) trackview.height);
- frame->set_property ("outline_color_rgba", color_map[cTimeAxisFrameOutline]);
- frame->set_property ("fill_color_rgba", color_map[cTimeAxisFrameFill]);
+ frame = new ArdourCanvas::SimpleRect (*group);
+ frame->property_x1() = (double) 0.0;
+ frame->property_y1() = (double) 1.0;
+ frame->property_x2() = (double) trackview.editor.frame_to_pixel(duration);
+ frame->property_y2() = (double) trackview.height;
+ frame->property_outline_what() = 0xF;
+ frame->property_outline_color_rgba() = ARDOUR_UI::config()->canvasvar_TimeAxisFrame.get();
+ frame->property_fill_color_rgba() = ARDOUR_UI::config()->canvasvar_TimeAxisFrame.get();
+
+ /* by default draw all 4 edges */
+
+ uint32_t outline_what = 0x1|0x2|0x4|0x8;
+
+ if (visibility & HideFrameLeft) {
+ outline_what &= ~(0x1);
+ }
+
+ if (visibility & HideFrameRight) {
+ outline_what &= ~(0x2);
+ }
+ if (visibility & HideFrameTB) {
+ outline_what &= ~(0x4 | 0x8);
+ }
+
+ frame->property_outline_what() = outline_what;
+
} else {
frame = 0;
}
if (visibility & ShowNameHighlight) {
- name_highlight = new Gnome::Canvas::SimpleRect (*group);
- name_highlight->set_property ("x1", (double) 1.0);
- name_highlight->set_property ("x2", (double) (trackview.editor.frame_to_pixel(item_duration)) - 1);
- name_highlight->set_property ("y1", (double) (trackview.height - TimeAxisViewItem::NAME_HIGHLIGHT_SIZE));
- name_highlight->set_property ("y2", (double) (trackview.height - 1));
- name_highlight->set_property ("outline_color_rgba", color_map[cNameHighlightFill]);
- name_highlight->set_property ("fill_color_rgba", color_map[cNameHighlightOutline]);
+ name_highlight = new ArdourCanvas::SimpleRect (*group);
+ if (visibility & FullWidthNameHighlight) {
+ name_highlight->property_x1() = (double) 0.0;
+ name_highlight->property_x2() = (double) (trackview.editor.frame_to_pixel(item_duration));
+ } else {
+ name_highlight->property_x1() = (double) 1.0;
+ name_highlight->property_x2() = (double) (trackview.editor.frame_to_pixel(item_duration)) - 1;
+ }
+ name_highlight->property_y1() = (double) (trackview.height - TimeAxisViewItem::NAME_HIGHLIGHT_SIZE);
+ name_highlight->property_y2() = (double) (trackview.height - 1);
+ name_highlight->property_outline_color_rgba() = ARDOUR_UI::config()->canvasvar_NameHighlightFill.get();
+ name_highlight->property_fill_color_rgba() = ARDOUR_UI::config()->canvasvar_NameHighlightOutline.get();
name_highlight->set_data ("timeaxisviewitem", this);
}
if (visibility & ShowNameText) {
- name_text = new Gnome::Canvas::Text (*group);
- name_text->set_property ("x", (double) TimeAxisViewItem::NAME_X_OFFSET);
- name_text->set_property ("y", (double) trackview.height + 1.0 - TimeAxisViewItem::NAME_Y_OFFSET);
- name_text->set_property ("font", NAME_FONT);
- name_text->set_property ("anchor", GTK_ANCHOR_NW);
+ name_text = new ArdourCanvas::Text (*group);
+ name_text->property_x() = (double) TimeAxisViewItem::NAME_X_OFFSET;
+ /* trackview.height is the bottom of the trackview. subtract 1 to get back to the bottom of the highlight,
+ then NAME_Y_OFFSET to position the text in the vertical center of the highlight
+ */
+ name_text->property_y() = (double) trackview.height - 1.0 - TimeAxisViewItem::NAME_Y_OFFSET;
+ name_text->property_font_desc() = *NAME_FONT;
+ name_text->property_anchor() = Gtk::ANCHOR_NW;
name_text->set_data ("timeaxisviewitem", this);
/* create our grab handles used for trimming/duration etc */
if (visibility & ShowHandles) {
- frame_handle_start = new Gnome::Canvas::SimpleRect (*group);
- frame_handle_start->set_property ("x1", (double) 0.0);
- frame_handle_start->set_property ("x2", (double) TimeAxisViewItem::GRAB_HANDLE_LENGTH);
- frame_handle_start->set_property ("y1", (double) 1.0);
- frame_handle_start->set_property ("y2", (double) TimeAxisViewItem::GRAB_HANDLE_LENGTH+1);
- frame_handle_start->set_property ("outline_color_rgba", color_map[cFrameHandleStartOutline]);
- frame_handle_start->set_property ("fill_color_rgba", color_map[cFrameHandleStartFill]);
+ frame_handle_start = new ArdourCanvas::SimpleRect (*group);
+ frame_handle_start->property_x1() = (double) 0.0;
+ frame_handle_start->property_x2() = (double) TimeAxisViewItem::GRAB_HANDLE_LENGTH;
+ frame_handle_start->property_y1() = (double) 1.0;
+ frame_handle_start->property_y2() = (double) TimeAxisViewItem::GRAB_HANDLE_LENGTH+1;
+ frame_handle_start->property_outline_color_rgba() = ARDOUR_UI::config()->canvasvar_FrameHandle.get();
+ frame_handle_start->property_fill_color_rgba() = ARDOUR_UI::config()->canvasvar_FrameHandle.get();
- frame_handle_end = new Gnome::Canvas::SimpleRect (*group);
- frame_handle_end->set_property ("x1", (double) (trackview.editor.frame_to_pixel(get_duration())) - (TimeAxisViewItem::GRAB_HANDLE_LENGTH));
- frame_handle_end->set_property ("x2", (double) trackview.editor.frame_to_pixel(get_duration()));
- frame_handle_end->set_property ("y1", (double) 1);
- frame_handle_end->set_property ("y2", (double) TimeAxisViewItem::GRAB_HANDLE_LENGTH + 1);
- frame_handle_end->set_property ("outline_color_rgba", color_map[cFrameHandleEndOutline]);
- frame_handle_end->set_property ("fill_color_rgba", color_map[cFrameHandleEndFill]);
+ frame_handle_end = new ArdourCanvas::SimpleRect (*group);
+ frame_handle_end->property_x1() = (double) (trackview.editor.frame_to_pixel(get_duration())) - (TimeAxisViewItem::GRAB_HANDLE_LENGTH);
+ frame_handle_end->property_x2() = (double) trackview.editor.frame_to_pixel(get_duration());
+ frame_handle_end->property_y1() = (double) 1;
+ frame_handle_end->property_y2() = (double) TimeAxisViewItem::GRAB_HANDLE_LENGTH + 1;
+ frame_handle_end->property_outline_color_rgba() = ARDOUR_UI::config()->canvasvar_FrameHandle.get();
+ frame_handle_end->property_fill_color_rgba() = ARDOUR_UI::config()->canvasvar_FrameHandle.get();
} else {
frame_handle_start = 0;
set_position (start, this) ;
}
-
/**
* Destructor
*/
* @return true if the position change was a success, false otherwise
*/
bool
-TimeAxisViewItem::set_position(jack_nframes_t pos, void* src, double* delta)
+TimeAxisViewItem::set_position(nframes_t pos, void* src, double* delta)
{
if (position_locked) {
return false;
double old_unit_pos ;
double new_unit_pos = pos / samples_per_unit ;
- group->get_property ("x", &old_unit_pos);
+ old_unit_pos = group->property_x();
if (new_unit_pos != old_unit_pos) {
group->move (new_unit_pos - old_unit_pos, 0.0);
*
* @return the position of this item
*/
-jack_nframes_t
+nframes_t
TimeAxisViewItem::get_position() const
{
return frame_position;
* @return true if the duration change was succesful, false otherwise
*/
bool
-TimeAxisViewItem::set_duration (jack_nframes_t dur, void* src)
+TimeAxisViewItem::set_duration (nframes_t dur, void* src)
{
if ((dur > max_item_duration) || (dur < min_item_duration)) {
warning << string_compose (_("new duration %1 frames is out of bounds for %2"), get_item_name(), dur)
item_duration = dur;
- double pixel_width = trackview.editor.frame_to_pixel (dur);
-
- reset_width_dependent_items (pixel_width);
+ reset_width_dependent_items (trackview.editor.frame_to_pixel (dur));
DurationChanged (dur, src) ; /* EMIT_SIGNAL */
return true;
* Returns the duration of this item
*
*/
-jack_nframes_t
+nframes_t
TimeAxisViewItem::get_duration() const
{
return (item_duration);
* @param src the identity of the object that initiated the change
*/
void
-TimeAxisViewItem::set_max_duration(jack_nframes_t dur, void* src)
+TimeAxisViewItem::set_max_duration(nframes_t dur, void* src)
{
max_item_duration = dur ;
MaxDurationChanged(max_item_duration, src) ; /* EMIT_SIGNAL */
*
* @return the maximum duration that this item may be set to
*/
-jack_nframes_t
+nframes_t
TimeAxisViewItem::get_max_duration() const
{
return (max_item_duration) ;
* @param src the identity of the object that initiated the change
*/
void
-TimeAxisViewItem::set_min_duration(jack_nframes_t dur, void* src)
+TimeAxisViewItem::set_min_duration(nframes_t dur, void* src)
{
min_item_duration = dur ;
MinDurationChanged(max_item_duration, src) ; /* EMIT_SIGNAL */
*
* @return the nimum duration that this item mey be set to
*/
-jack_nframes_t
+nframes_t
TimeAxisViewItem::get_min_duration() const
{
return(min_item_duration) ;
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 src the identity of the object that initiated the change
*/
void
-TimeAxisViewItem::set_selected(bool yn, void* src)
+TimeAxisViewItem::set_selected(bool yn)
{
if (_selected != yn) {
- _selected = yn ;
+ Selectable::set_selected (yn);
set_frame_color ();
- Selected (_selected) ; /* EMIT_SIGNAL */
}
}
-/**
- * Returns whether this item is currently selected.
- *
- * @return true if this item is currently selected, false otherwise
- */
-bool
-TimeAxisViewItem::get_selected() const
-{
- return (_selected) ;
-}
-
void
TimeAxisViewItem::set_should_show_selection (bool yn)
{
* @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->set_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();
- name_text->hide();
+ if (name_text) {
+ name_text->hide();
+ }
} else {
name_highlight->show();
- name_text->show();
+ if (name_text) {
+ name_text->show();
+ }
}
- if (height > NAME_HIGHLIGHT_SIZE) {
- name_highlight->set_property ("y1", (double) height+1 - NAME_HIGHLIGHT_SIZE);
- name_highlight->set_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->set_property ("y1", (double) 1.0);
- name_highlight->set_property ("y2", (double) height);
+ name_highlight->property_y1() = (double) y;
+ name_highlight->property_y2() = (double) y + h;
}
}
if (name_text) {
- name_text->set ("y", height+1 - NAME_Y_OFFSET, NULL);
- if (height < NAME_HIGHLIGHT_THRESH) {
- name_text->set_property ("fill_color_rgba", fill_color, NULL) ;
+ name_text->property_y() = y + h + 1 - NAME_Y_OFFSET;
+ if (h < NAME_HIGHLIGHT_THRESH) {
+ name_text->property_fill_color_rgba() = fill_color;
}
else {
- name_text->set_property ("fill_color_rgba", label_color, NULL) ;
+ name_text->property_fill_color_rgba() = label_color;
}
}
if (frame) {
- frame->set_property ("y2", height+1, NULL) ;
+ frame->property_y1() = y;
+ frame->property_y2() = y + h + 1;
}
- vestigial_frame->set_property ("y2", height+1, NULL) ;
+ vestigial_frame->property_y1() = y;
+ vestigial_frame->property_y2() = y + h + 1;
}
/**
/**
*
*/
-GnomeCanvasItem*
+ArdourCanvas::Item*
TimeAxisViewItem::get_canvas_frame()
{
return(frame) ;
/**
*
*/
-GnomeCanvasItem*
+ArdourCanvas::Item*
TimeAxisViewItem::get_canvas_group()
{
- return(group) ;
+ return (group) ;
}
/**
*
*/
-GnomeCanvasItem*
+ArdourCanvas::Item*
TimeAxisViewItem::get_name_highlight()
{
- return(name_highlight) ;
+ return (name_highlight) ;
}
/**
*
*/
-GnomeCanvasItem*
+ArdourCanvas::Text*
TimeAxisViewItem::get_name_text()
{
- return(name_text) ;
+ return (name_text) ;
}
/**
r = base_color.get_red()/256 ;
g = base_color.get_green()/256 ;
b = base_color.get_blue()/256 ;
- fill_color = RGBA_TO_UINT(r,g,b,255) ;
+ fill_color = RGBA_TO_UINT(r,g,b,160) ;
/* for minor colors:
if the overall saturation is strong, make the minor colors light.
double height = NAME_HIGHLIGHT_THRESH;
if (frame) {
- frame->get_property ("y2", &height);
+ height = frame->property_y2();
}
if (height < NAME_HIGHLIGHT_THRESH) {
- name_text->set_property ("fill_color_rgba", fill_color);
+ name_text->property_fill_color_rgba() = fill_color;
}
else {
- name_text->set_property ("fill_color_rgba", label_color);
+ name_text->property_fill_color_rgba() = label_color;
}
}
if (name_highlight) {
- name_highlight->set_property ("fill_color_rgba", fill_color);
- name_highlight->set_property ("outline_color_rgba", fill_color);
+ name_highlight->property_fill_color_rgba() = fill_color;
+ name_highlight->property_outline_color_rgba() = fill_color;
}
set_trim_handle_colors() ;
}
uint32_t r,g,b,a;
if (_selected && should_show_selection) {
- UINT_TO_RGBA(color_map[cSelectedFrameBase], &r, &g, &b, &a);
- frame->set_property ("fill_color_rgba", RGBA_TO_UINT(r, g, b, fill_opacity));
+ UINT_TO_RGBA(ARDOUR_UI::config()->canvasvar_SelectedFrameBase.get(), &r, &g, &b, &a);
+ frame->property_fill_color_rgba() = RGBA_TO_UINT(r, g, b, a);
} else {
- UINT_TO_RGBA(color_map[cFrameBase], &r, &g, &b, &a);
- frame->set_property ("fill_color_rgba", RGBA_TO_UINT(r, g, b, fill_opacity));
+ UINT_TO_RGBA(ARDOUR_UI::config()->canvasvar_FrameBase.get(), &r, &g, &b, &a);
+ frame->property_fill_color_rgba() = RGBA_TO_UINT(r, g, b, a);
}
}
}
{
if (frame_handle_start) {
if (position_locked) {
- frame_handle_start->set_property ("fill_color_rgba", color_map[cTrimHandleLockedStart]);
- frame_handle_end->set_property ("fill_color_rgba", color_map[cTrimHandleLockedEnd]);
+ frame_handle_start->property_fill_color_rgba() = ARDOUR_UI::config()->canvasvar_TrimHandleLocked.get();
+ frame_handle_end->property_fill_color_rgba() = ARDOUR_UI::config()->canvasvar_TrimHandleLocked.get();
} else {
- frame_handle_start->set_property ("fill_color_rgba", color_map[cTrimHandleStart]);
- frame_handle_end->set_property ("fill_color_rgba", color_map[cTrimHandleEnd]);
+ frame_handle_start->property_fill_color_rgba() = ARDOUR_UI::config()->canvasvar_TrimHandle.get();
+ frame_handle_end->property_fill_color_rgba() = ARDOUR_UI::config()->canvasvar_TrimHandle.get();
}
}
}
} if (pixel_width < 2.0) {
if (show_vestigial) {
- vestigial_frame->hide ();
+ vestigial_frame->show();
}
if (name_highlight) {
name_highlight->hide();
- name_text->hide();
+ if (name_text) {
+ name_text->hide();
+ }
}
if (frame) {
- frame->hide ();
+ frame->hide();
}
if (frame_handle_start) {
if (name_highlight) {
- name_highlight->get_property ("y2", &height);
+ double height = name_highlight->property_y2 ();
if (height < NAME_HIGHLIGHT_THRESH) {
name_highlight->hide();
- name_text->hide();
+ if (name_text) {
+ name_text->hide();
+ }
} else {
name_highlight->show();
- name_text->show();
- reset_name_width (pixel_width);
+ if (name_text && !get_item_name().empty()) {
+ name_text->show();
+ reset_name_width (pixel_width);
+ }
+ }
+
+ if (visibility & FullWidthNameHighlight) {
+ name_highlight->property_x2() = pixel_width;
+ } else {
+ name_highlight->property_x2() = pixel_width - 1.0;
}
- name_highlight->set_property ("x1", pixel_width - 1.0, NULL);
}
if (frame) {
frame->show();
- frame->set_property ("x2", pixel_width, NULL);
+ frame->property_x2() = pixel_width;
}
if (frame_handle_start) {
frame_handle_start->hide();
frame_handle_end->hide();
}
- frame_handle_end->set_property ("x1", pixel_width - (TimeAxisViewItem::GRAB_HANDLE_LENGTH ), NULL) ;
+ frame_handle_start->show();
+ frame_handle_end->property_x1() = pixel_width - (TimeAxisViewItem::GRAB_HANDLE_LENGTH);
frame_handle_end->show();
- frame_handle_end->set_property ("x2", pixel_width, NULL) ;
+ frame_handle_end->property_x2() = pixel_width;
}
}
}
void
TimeAxisViewItem::reset_name_width (double pixel_width)
{
- int width;
- int height;
- FontDescription fd (NAME_FONT);
-
if (name_text == 0) {
return;
}
- int namelen = item_name.length();
- char cstr[namelen+1];
- strcpy (cstr, item_name.c_str());
-
- RefPtr<Pango::Layout> layout = group.get_canvas()->create_pango_layout();
- layout->set_font_description (fd);
+ 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;
+ }
- while (namelen) {
-
- layout->set_text (cstr);
- layout->get_pixel_size (width, height);
+ /* now check the cache of existing truncations */
- if (width < (pixel_width - NAME_X_OFFSET)) {
- break;
- }
+ Gtk::Label foo;
+ Glib::RefPtr<Pango::Layout> layout = foo.create_pango_layout ("");
- --namelen;
- cstr[namelen] = '\0';
+ for (n = item_name.length(); n > 0; --n) {
+
+ map<ustring::size_type,int>::iterator i;
- }
+ if ((i = name_text_size_cache.find (n)) != name_text_size_cache.end()) {
- if (namelen == 0) {
-
- name_text->hide ();
-
- } else {
-
- /* don't use name for event handling if it leaves no room
- for trimming to work.
- */
-
- if (pixel_width - width < (NAME_X_OFFSET * 2.0)) {
- if (name_connected) {
- name_connected = false;
+ /* 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->set_property ("text", cstr);
- 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;
+
}
gint
TimeAxisViewItem::idle_remove_this_item(TimeAxisViewItem* item, void* src)
{
- item->ItemRemoved(item->get_item_name(), src) ; /* EMIT_SIGNAL */
- delete item ;
- item = 0 ;
- return(false) ;
+ item->ItemRemoved (item->get_item_name(), src) ; /* EMIT_SIGNAL */
+ delete item;
+ item = 0;
+ return false;
}