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use clock text scaling for big clock window

This commit is contained in:
Paul Davis 2014-12-31 07:20:38 -05:00
parent d8405e2ebe
commit 9ca0ce4b7f
2 changed files with 28 additions and 95 deletions
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94
gtk2_ardour/big_clock_window.cc
View File

@ -36,15 +36,12 @@ using namespace ARDOUR_UI_UTILS;
BigClockWindow::BigClockWindow (AudioClock& c)
: ArdourWindow (_("Big Clock"))
, clock (c)
, resize_in_progress (false)
, original_height (0)
, original_width (0)
, original_font_size (0)
{
ARDOUR_UI::Clock.connect (sigc::mem_fun (clock, &AudioClock::set));
clock.set_corner_radius (0.0);
clock.mode_changed.connect (sigc::mem_fun (*this, &BigClockWindow::reset_aspect_ratio));
set_keep_above (true);
set_border_width (0);
@ -69,24 +66,11 @@ BigClockWindow::on_key_press_event (GdkEventKey* ev)
void
BigClockWindow::on_realize ()
{
int x, y, w, d, h;
ArdourWindow::on_realize ();
get_window()->set_decorations (Gdk::DECOR_BORDER|Gdk::DECOR_RESIZEH);
get_window()->get_geometry (x, y, w, h, d);
reset_aspect_ratio ();
original_height = h;
original_width = w;
Pango::FontDescription fd (clock.get_style()->get_font());
original_font_size = fd.get_size ();
if (!fd.get_size_is_absolute ()) {
original_font_size /= PANGO_SCALE;
}
int x, y, d;
get_window()->get_geometry (x, y, original_width, original_height, d);
}
void
@ -94,67 +78,21 @@ BigClockWindow::on_size_allocate (Gtk::Allocation& alloc)
{
ArdourWindow::on_size_allocate (alloc);
if (!resize_in_progress) {
Glib::signal_idle().connect (sigc::bind (sigc::mem_fun (*this, &BigClockWindow::text_resizer), 0, 0));
resize_in_progress = true;
if (original_width) {
clock.set_scale ((double) alloc.get_width() / original_width,
(double) alloc.get_height() / original_height);
std::cerr << "Rescale to "
<< (double) alloc.get_width() / original_width
<< " x "
<< (double) alloc.get_height() / original_height
<< " using " << alloc.get_width() << " vs. " << original_width
<< " and " << alloc.get_height() << " vs. " << original_height
<< std::endl;
}
}
void
BigClockWindow::reset_aspect_ratio ()
{
Gtk::Requisition req = { 0, 0 };
clock.size_request (req);
float aspect = req.width/(float)req.height;
Gdk::Geometry geom;
geom.min_aspect = aspect;
geom.max_aspect = aspect;
set_geometry_hints (clock, geom, Gdk::HINT_ASPECT);
}
bool
BigClockWindow::text_resizer (int, int)
{
resize_in_progress = false;
Glib::RefPtr<Gdk::Window> win = get_window();
Pango::FontDescription fd (clock.get_style()->get_font());
int current_size = fd.get_size ();
int x, y, w, h, d;
if (!fd.get_size_is_absolute ()) {
current_size /= PANGO_SCALE;
}
win->get_geometry (x, y, w, h, d);
double scale = min (((double) w / (double) original_width),
((double) h / (double) original_height));
int size = (int) lrintf (original_font_size * scale);
if (size != current_size) {
string family = fd.get_family();
std::vector<char> buf(family.length()+16);
snprintf (&buf[0], family.length()+16, "%s %d", family.c_str(), size);
try {
Pango::FontDescription fd (&buf[0]);
Glib::RefPtr<Gtk::RcStyle> rcstyle = clock.get_modifier_style ();
rcstyle->set_font (fd);
clock.modify_style (rcstyle);
}
catch (...) {
/* oh well, do nothing */
}
}
return false;
}

29
gtk2_ardour/big_clock_window.h
View File

@ -26,23 +26,18 @@ class AudioClock;
class BigClockWindow : public ArdourWindow
{
public:
BigClockWindow (AudioClock&);
private:
AudioClock& clock;
bool resize_in_progress;
int original_height;
int original_width;
int original_font_size;
void on_size_allocate (Gtk::Allocation&);
void on_realize ();
void on_unmap ();
bool on_key_press_event (GdkEventKey*);
bool text_resizer (int, int);
void reset_aspect_ratio ();
public:
BigClockWindow (AudioClock&);
private:
AudioClock& clock;
int original_height;
int original_width;
void on_size_allocate (Gtk::Allocation&);
void on_realize ();
void on_unmap ();
bool on_key_press_event (GdkEventKey*);
};
#endif // __ardour_window_h__