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prepare mono panner rework move to pango

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This commit is contained in:
Robin Gareus 2014-01-09 19:20:41 +01:00
parent 62d5b617d3
commit e5cad21a81
2 changed files with 29 additions and 10 deletions
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36
gtk2_ardour/mono_panner.cc
View File

@ -23,6 +23,7 @@
#include <cmath>
#include <gtkmm/window.h>
#include <pangomm/layout.h>
#include "pbd/controllable.h"
#include "pbd/compose.h"
@ -58,6 +59,9 @@ static const int top_step = 2;
MonoPanner::ColorScheme MonoPanner::colors;
bool MonoPanner::have_colors = false;
Pango::AttrList MonoPanner::panner_font_attributes;
bool MonoPanner::have_font = false;
MonoPanner::MonoPanner (boost::shared_ptr<ARDOUR::PannerShell> p)
: PannerInterface (p->panner())
, _panner_shell (p)
@ -73,6 +77,17 @@ MonoPanner::MonoPanner (boost::shared_ptr<ARDOUR::PannerShell> p)
set_colors ();
have_colors = true;
}
if (!have_font) {
Pango::FontDescription font;
Pango::AttrFontDesc* font_attr;
font = Pango::FontDescription ("ArdourMono");
font.set_weight (Pango::WEIGHT_BOLD);
font.set_size(9 * PANGO_SCALE);
font_attr = new Pango::AttrFontDesc (Pango::Attribute::create_attr_font_desc (font));
panner_font_attributes.change(*font_attr);
delete font_attr;
have_font = true;
}
position_control->Changed.connect (connections, invalidator(*this), boost::bind (&MonoPanner::value_change, this), gui_context());
@ -186,13 +201,15 @@ MonoPanner::on_expose_event (GdkEventExpose*)
context->fill ();
/* add text */
int tw, th;
Glib::RefPtr<Pango::Layout> layout = Pango::Layout::create(get_pango_context());
layout->set_attributes (panner_font_attributes);
context->move_to (
left - half_lr_box + 3,
(lr_box_size/2) + step_down + 13);
context->select_font_face ("sans-serif", Cairo::FONT_SLANT_NORMAL, Cairo::FONT_WEIGHT_BOLD);
layout->set_text (_("L"));
layout->get_pixel_size(tw, th);
context->move_to (rint(left - tw/2), rint(lr_box_size + step_down - th/2));
context->set_source_rgba (UINT_RGBA_R_FLT(t), UINT_RGBA_G_FLT(t), UINT_RGBA_B_FLT(t), UINT_RGBA_A_FLT(t));
context->show_text (_("L"));
pango_cairo_show_layout (context->cobj(), layout->gobj());
/* right box */
@ -206,12 +223,11 @@ MonoPanner::on_expose_event (GdkEventExpose*)
context->fill ();
/* add text */
context->move_to (
right - half_lr_box + 3,
(lr_box_size/2)+step_down + 13);
layout->set_text (_("R"));
layout->get_pixel_size(tw, th);
context->move_to (rint(right - tw/2), rint(lr_box_size + step_down - th/2));
context->set_source_rgba (UINT_RGBA_R_FLT(t), UINT_RGBA_G_FLT(t), UINT_RGBA_B_FLT(t), UINT_RGBA_A_FLT(t));
context->show_text (_("R"));
pango_cairo_show_layout (context->cobj(), layout->gobj());
/* 2 lines that connect them both */
context->set_source_rgba (UINT_RGBA_R_FLT(o), UINT_RGBA_G_FLT(o), UINT_RGBA_B_FLT(o), UINT_RGBA_A_FLT(o));

3
gtk2_ardour/mono_panner.h
View File

@ -81,6 +81,9 @@ class MonoPanner : public PannerInterface
bool _dragging;
static Pango::AttrList panner_font_attributes;
static bool have_font;
static ColorScheme colors;
static void set_colors ();
static bool have_colors;