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acid trip big clock - do not use with any other medication

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git-svn-id: svn://localhost/ardour2/branches/3.0@6735 d708f5d6-7413-0410-9779-e7cbd77b26cf
This commit is contained in:
Paul Davis 2010-03-05 12:43:40 +00:00
parent ec047d8981
commit 05fb76e653
1 changed files with 42 additions and 86 deletions
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128
gtk2_ardour/ardour_ui_ed.cc
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@ -23,8 +23,7 @@
is to cut down on the nasty compile times for both these classes.
*/
#include "pbd/file_utils.h"
#include "pbd/fpu.h"
#include <cmath>
#include <glibmm/miscutils.h>
@ -32,6 +31,9 @@
#include <gtkmm2ext/window_title.h>
#include <gtk/gtk.h>
#include "pbd/file_utils.h"
#include "pbd/fpu.h"
#include "ardour_ui.h"
#include "public_editor.h"
#include "audio_clock.h"
@ -578,105 +580,59 @@ ARDOUR_UI::big_clock_size_allocate (Gtk::Allocation& allocation)
big_clock_window->set_size_request (allocation.get_width() - 2, allocation.get_height() - 1);
}
static int old_big_clock_width = -1;
static int old_big_clock_height = -1;
bool
ARDOUR_UI::idle_big_clock_text_resizer (int win_w, int win_h)
{
extern void get_pixel_size (Glib::RefPtr<Pango::Layout> layout, int& width, int& height);
Glib::RefPtr<Gdk::Window> win = big_clock_window->get_window();
assert (win);
big_clock_resize_in_progress = false;
Glib::RefPtr<Gdk::Window> win = big_clock_window->get_window();
int x, y, winw, winh, d;
win->get_geometry (x, y, winw, winh, d);
if (old_big_clock_width < 0 || old_big_clock_height < 0) {
old_big_clock_height = winh;
old_big_clock_width = winw;
return false;
}
double scale;
scale = min (((double) winw / (double)old_big_clock_width),
((double) winh / (double) old_big_clock_height));
Pango::FontDescription fd (big_clock.get_style()->get_font());
string family = fd.get_family();
int size = fd.get_size ();
int original_size;
bool absolute = fd.get_size_is_absolute ();
int stepsize;
int original_size;
if (!absolute) {
size /= PANGO_SCALE;
}
original_size = size;
original_size = size;
size = lrintf (size * scale);
int x, y, winw, winh, d;
int w, h;
int slop;
int limit;
win->get_geometry (x, y, winw, winh, d);
Glib::RefPtr<Pango::Layout> layout = big_clock.create_pango_layout ("0");
get_pixel_size (layout, w, h);
/* we want about 10% of the font height as padding, and we'll allow 10% of slop
in the accuracy of the fit.
*/
slop = 10;
limit = winh - (h/4);
if (h < limit && limit - h < slop) {
/* current font is smaller than the window height but not by too much */
return false;
}
stepsize = 16;
if (h > limit) {
/* font is too big, lets get smaller */
size -= stepsize;
} else {
/* font is too big, lets get bigger */
size += stepsize;
}
while (1) {
char buf[family.length()+16];
snprintf (buf, family.length()+16, "%s %d", family.c_str(), size);
Pango::FontDescription fd (buf);
layout->set_font_description (fd);
get_pixel_size (layout, w, h);
if (abs (h - limit) < slop) {
cerr << "error is less than the slop, use " << h << endl;
if (size != original_size) {
/* use the size from the last loop */
Glib::RefPtr<Gtk::RcStyle> rcstyle = big_clock.get_modifier_style ();
rcstyle->set_font (fd);
big_clock.modify_style (rcstyle);
}
break;
}
if (h > limit) {
/* too big, stepsize should be smaller */
cerr << h << " is too big, reduce by " << stepsize << endl;
if (size < 2) {
break;
}
size -= stepsize;
stepsize /= 2;
} else if (h < limit) {
cerr << h << " is too small, increase by " << stepsize << endl;
/* too small (but not small enough): step size should be bigger */
if (size > 720) {
break;
}
size += stepsize;
stepsize *= 2;
}
}
if (size != original_size) {
char buf[family.length()+16];
snprintf (buf, family.length()+16, "%s %d", family.c_str(), size);
try {
Pango::FontDescription fd (buf);
Glib::RefPtr<Gtk::RcStyle> rcstyle = big_clock.get_modifier_style ();
rcstyle->set_font (fd);
big_clock.modify_style (rcstyle);
}
catch (...) {
/* oh well, do nothing */
}
}
return false;
}