Decreased region opacity, smoothed out canvas/tempo line colours.
[ardour.git] / gtk2_ardour / time_axis_view_item.cc
index fb6b5cf6a50a70e5d3e06efab945f4b62eea0a36..a008e2af1a97bf54ef254a1f8eff2eaaf7a23c0c 100644 (file)
@@ -23,6 +23,8 @@
 #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"
 using namespace std;
 using namespace Editing;
 using namespace Glib;
+using namespace PBD;
 
 //------------------------------------------------------------------------------
-/** Initialize static memeber data */
+/** Initialize const static memeber data */
+
 Pango::FontDescription TimeAxisViewItem::NAME_FONT;
 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
@@ -62,13 +67,32 @@ const double TimeAxisViewItem::GRAB_HANDLE_LENGTH = 6 ;
  * @param start the start point of this item
  * @param duration the duration of this item
  */
-TimeAxisViewItem::TimeAxisViewItem(std::string it_name, ArdourCanvas::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 + 4;
+               NAME_HIGHLIGHT_SIZE = height + 6;
+               NAME_HIGHLIGHT_THRESH = NAME_HIGHLIGHT_SIZE * 2;
+
                have_name_font = true;
        }
 
@@ -78,11 +102,12 @@ TimeAxisViewItem::TimeAxisViewItem(std::string it_name, ArdourCanvas::Group& par
        frame_position = start ;
        item_duration = duration ;
        name_connected = false;
-       fill_opacity = 50;
+       fill_opacity = 130;
        position_locked = false ;
        max_item_duration = ARDOUR::max_frames;
        min_item_duration = 0 ;
        show_vestigial = true;
+       visibility = vis;
 
        if (duration == 0) {
                warning << "Time Axis Item Duration == 0" << endl ;
@@ -108,14 +133,37 @@ TimeAxisViewItem::TimeAxisViewItem(std::string it_name, ArdourCanvas::Group& par
                frame->property_outline_color_rgba() = color_map[cTimeAxisFrameOutline];
                frame->property_fill_color_rgba() = color_map[cTimeAxisFrameFill];
 
+               /* 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 ArdourCanvas::SimpleRect (*group);
-               name_highlight->property_x1() = (double) 1.0;
-               name_highlight->property_x2() = (double) (trackview.editor.frame_to_pixel(item_duration)) - 1;
+               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() = color_map[cNameHighlightFill];
@@ -130,7 +178,10 @@ TimeAxisViewItem::TimeAxisViewItem(std::string it_name, ArdourCanvas::Group& par
        if (visibility & ShowNameText) {
                name_text = new ArdourCanvas::Text (*group);
                name_text->property_x() = (double) TimeAxisViewItem::NAME_X_OFFSET;
-               name_text->property_y() = (double) trackview.height + 1.0 - TimeAxisViewItem::NAME_Y_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;
 
@@ -191,7 +242,7 @@ TimeAxisViewItem::~TimeAxisViewItem()
  * @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;
@@ -231,7 +282,7 @@ TimeAxisViewItem::set_position(jack_nframes_t pos, void* src, double* delta)
  *
  * @return the position of this item
  */
-jack_nframes_t
+nframes_t
 TimeAxisViewItem::get_position() const
 {
        return frame_position;
@@ -245,7 +296,7 @@ TimeAxisViewItem::get_position() const
  * @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)
@@ -259,9 +310,7 @@ TimeAxisViewItem::set_duration (jack_nframes_t dur, void* src)
 
        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;
@@ -271,7 +320,7 @@ TimeAxisViewItem::set_duration (jack_nframes_t dur, void* src)
  * Returns the duration of this item
  *
  */
-jack_nframes_t
+nframes_t
 TimeAxisViewItem::get_duration() const
 {
        return (item_duration);
@@ -284,7 +333,7 @@ TimeAxisViewItem::get_duration() const
  * @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 */
@@ -295,7 +344,7 @@ TimeAxisViewItem::set_max_duration(jack_nframes_t dur, void* src)
  *
  * @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) ;
@@ -308,7 +357,7 @@ TimeAxisViewItem::get_max_duration() const
  * @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 */
@@ -319,7 +368,7 @@ TimeAxisViewItem::set_min_duration(jack_nframes_t dur, void* src)
  *
  * @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) ;
@@ -438,26 +487,14 @@ TimeAxisViewItem::get_item_name() const
  * @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)
 {
@@ -508,10 +545,14 @@ TimeAxisViewItem::set_height(double height)
        if (name_highlight) {
                if (height < 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) {
@@ -567,7 +608,7 @@ TimeAxisViewItem::get_canvas_frame()
 ArdourCanvas::Item*
 TimeAxisViewItem::get_canvas_group()
 {
-       return(group) ;
+       return (group) ;
 }
 
 /**
@@ -576,7 +617,7 @@ TimeAxisViewItem::get_canvas_group()
 ArdourCanvas::Item*
 TimeAxisViewItem::get_name_highlight()
 {
-       return(name_highlight) ;
+       return (name_highlight) ;
 }
 
 /**
@@ -585,7 +626,7 @@ TimeAxisViewItem::get_name_highlight()
 ArdourCanvas::Text*
 TimeAxisViewItem::get_name_text()
 {
-       return(name_text) ;
+       return (name_text) ;
 }
 
 /**
@@ -780,7 +821,9 @@ TimeAxisViewItem::reset_width_dependent_items (double pixel_width)
 
                if (name_highlight) {
                        name_highlight->hide();
-                       name_text->hide();
+                       if (name_text) {
+                               name_text->hide();
+                       }
                }
 
                if (frame) {
@@ -801,14 +844,23 @@ TimeAxisViewItem::reset_width_dependent_items (double pixel_width)
 
                        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->property_x2() = pixel_width - 1.0;
                }
 
                if (frame) {
@@ -832,35 +884,15 @@ TimeAxisViewItem::reset_width_dependent_items (double pixel_width)
 void
 TimeAxisViewItem::reset_name_width (double pixel_width)
 {
-       int width;
-       int height;
-       ustring ustr;
-       Pango::FontDescription fd (NAME_FONT);
-
        if (name_text == 0) {
                return;
        }
                        
-       ustr = item_name;
-       int namelen = ustr.length();
-
-       Glib::RefPtr<Pango::Layout> layout = group->get_canvas()->create_pango_layout (ustr);
-       layout->set_font_description (fd);
-
-       while (namelen) {
-               
-               layout->set_text (ustr);
-               layout->get_pixel_size (width, height);
-
-               if (width < (pixel_width - NAME_X_OFFSET)) {
-                       break;
-               }
-
-               --namelen;
-               ustr = ustr.substr (0, namelen);
-       }
+       int width;
+       
+       ustring ustr = fit_to_pixels (item_name, (int) floor (pixel_width - NAME_X_OFFSET), NAME_FONT, width);
 
-       if (namelen == 0) {
+       if (ustr.empty()) {
                
                name_text->hide ();
                
@@ -920,8 +952,8 @@ TimeAxisViewItem::remove_this_item(void* src)
 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;
 }