b65f8073ba
git-svn-id: svn://localhost/ardour2/branches/3.0@5403 d708f5d6-7413-0410-9779-e7cbd77b26cf
469 lines
9.0 KiB
C++
469 lines
9.0 KiB
C++
/*
|
|
Copyright (C) 2004 Paul Davis
|
|
This program is free software; you can redistribute it and/or modify
|
|
it under the terms of the GNU General Public License as published by
|
|
the Free Software Foundation; either version 2 of the License, or
|
|
(at your option) any later version.
|
|
|
|
This program is distributed in the hope that it will be useful,
|
|
but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
GNU General Public License for more details.
|
|
|
|
You should have received a copy of the GNU General Public License
|
|
along with this program; if not, write to the Free Software
|
|
Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
|
|
|
|
$Id$
|
|
*/
|
|
|
|
#include <string>
|
|
#include <climits>
|
|
#include <cstdio>
|
|
#include <cmath>
|
|
#include <algorithm>
|
|
|
|
#include <pbd/controllable.h>
|
|
|
|
#include <gtkmm2ext/gtk_ui.h>
|
|
#include <gtkmm2ext/utils.h>
|
|
#include <gtkmm2ext/barcontroller.h>
|
|
|
|
#include "i18n.h"
|
|
|
|
using namespace std;
|
|
using namespace Gtk;
|
|
using namespace Gtkmm2ext;
|
|
|
|
BarController::BarController (Gtk::Adjustment& adj,
|
|
boost::shared_ptr<PBD::Controllable> mc)
|
|
|
|
: adjustment (adj),
|
|
binding_proxy (mc),
|
|
spinner (adjustment)
|
|
|
|
{
|
|
_style = LeftToRight;
|
|
grabbed = false;
|
|
switching = false;
|
|
switch_on_release = false;
|
|
use_parent = false;
|
|
|
|
layout = darea.create_pango_layout("");
|
|
|
|
set_shadow_type (SHADOW_NONE);
|
|
|
|
initial_value = adjustment.get_value ();
|
|
|
|
adjustment.signal_value_changed().connect (mem_fun (*this, &Gtk::Widget::queue_draw));
|
|
adjustment.signal_changed().connect (mem_fun (*this, &Gtk::Widget::queue_draw));
|
|
|
|
darea.add_events (Gdk::BUTTON_RELEASE_MASK|
|
|
Gdk::BUTTON_PRESS_MASK|
|
|
Gdk::POINTER_MOTION_MASK|
|
|
Gdk::ENTER_NOTIFY_MASK|
|
|
Gdk::LEAVE_NOTIFY_MASK|
|
|
Gdk::SCROLL_MASK);
|
|
|
|
darea.signal_expose_event().connect (mem_fun (*this, &BarController::expose));
|
|
darea.signal_motion_notify_event().connect (mem_fun (*this, &BarController::motion));
|
|
darea.signal_button_press_event().connect (mem_fun (*this, &BarController::button_press), false);
|
|
darea.signal_button_release_event().connect (mem_fun (*this, &BarController::button_release), false);
|
|
darea.signal_scroll_event().connect (mem_fun (*this, &BarController::scroll));
|
|
|
|
spinner.signal_activate().connect (mem_fun (*this, &BarController::entry_activated));
|
|
spinner.signal_focus_out_event().connect (mem_fun (*this, &BarController::entry_focus_out));
|
|
spinner.signal_input().connect (mem_fun (*this, &BarController::entry_input));
|
|
spinner.signal_output().connect (mem_fun (*this, &BarController::entry_output));
|
|
spinner.set_digits (3);
|
|
|
|
add (darea);
|
|
show_all ();
|
|
}
|
|
|
|
void
|
|
BarController::drop_grab ()
|
|
{
|
|
if (grabbed) {
|
|
grabbed = false;
|
|
darea.remove_modal_grab();
|
|
StopGesture ();
|
|
}
|
|
}
|
|
|
|
bool
|
|
BarController::button_press (GdkEventButton* ev)
|
|
{
|
|
double fract;
|
|
|
|
if (binding_proxy.button_press_handler (ev)) {
|
|
return true;
|
|
}
|
|
|
|
switch (ev->button) {
|
|
case 1:
|
|
if (ev->type == GDK_2BUTTON_PRESS) {
|
|
switch_on_release = true;
|
|
drop_grab ();
|
|
} else {
|
|
switch_on_release = false;
|
|
darea.add_modal_grab();
|
|
grabbed = true;
|
|
grab_x = ev->x;
|
|
grab_window = ev->window;
|
|
StartGesture ();
|
|
}
|
|
return true;
|
|
break;
|
|
|
|
case 2:
|
|
fract = ev->x / (darea.get_width() - 2.0);
|
|
adjustment.set_value (adjustment.get_lower() + fract * (adjustment.get_upper() - adjustment.get_lower()));
|
|
|
|
case 3:
|
|
break;
|
|
|
|
case 4:
|
|
case 5:
|
|
break;
|
|
}
|
|
|
|
return false;
|
|
}
|
|
|
|
bool
|
|
BarController::button_release (GdkEventButton* ev)
|
|
{
|
|
drop_grab ();
|
|
|
|
switch (ev->button) {
|
|
case 1:
|
|
if (switch_on_release) {
|
|
Glib::signal_idle().connect (mem_fun (*this, &BarController::switch_to_spinner));
|
|
return true;
|
|
}
|
|
|
|
if ((ev->state & (GDK_SHIFT_MASK|GDK_CONTROL_MASK)) == GDK_SHIFT_MASK) {
|
|
adjustment.set_value (initial_value);
|
|
} else {
|
|
double scale;
|
|
|
|
if ((ev->state & (GDK_CONTROL_MASK|GDK_SHIFT_MASK)) == (GDK_CONTROL_MASK|GDK_SHIFT_MASK)) {
|
|
scale = 0.01;
|
|
} else if (ev->state & GDK_CONTROL_MASK) {
|
|
scale = 0.1;
|
|
} else {
|
|
scale = 1.0;
|
|
}
|
|
|
|
mouse_control (ev->x, ev->window, scale);
|
|
}
|
|
break;
|
|
|
|
case 2:
|
|
break;
|
|
|
|
case 3:
|
|
return false;
|
|
|
|
default:
|
|
break;
|
|
}
|
|
|
|
return true;
|
|
}
|
|
|
|
bool
|
|
BarController::scroll (GdkEventScroll* ev)
|
|
{
|
|
double scale;
|
|
|
|
if ((ev->state & (GDK_CONTROL_MASK|GDK_SHIFT_MASK)) == (GDK_CONTROL_MASK|GDK_SHIFT_MASK)) {
|
|
scale = 0.01;
|
|
} else if (ev->state & GDK_CONTROL_MASK) {
|
|
scale = 0.1;
|
|
} else {
|
|
scale = 1.0;
|
|
}
|
|
|
|
switch (ev->direction) {
|
|
case GDK_SCROLL_UP:
|
|
case GDK_SCROLL_RIGHT:
|
|
adjustment.set_value (adjustment.get_value() + (scale * adjustment.get_step_increment()));
|
|
break;
|
|
|
|
case GDK_SCROLL_DOWN:
|
|
case GDK_SCROLL_LEFT:
|
|
adjustment.set_value (adjustment.get_value() - (scale * adjustment.get_step_increment()));
|
|
break;
|
|
}
|
|
|
|
return true;
|
|
}
|
|
|
|
bool
|
|
BarController::motion (GdkEventMotion* ev)
|
|
{
|
|
double scale;
|
|
|
|
if (!grabbed) {
|
|
return true;
|
|
}
|
|
|
|
if ((ev->state & (GDK_SHIFT_MASK|GDK_CONTROL_MASK)) == GDK_SHIFT_MASK) {
|
|
return TRUE;
|
|
}
|
|
|
|
if ((ev->state & (GDK_CONTROL_MASK|GDK_SHIFT_MASK)) == (GDK_CONTROL_MASK|GDK_SHIFT_MASK)) {
|
|
scale = 0.01;
|
|
} else if (ev->state & GDK_CONTROL_MASK) {
|
|
scale = 0.1;
|
|
} else {
|
|
scale = 1.0;
|
|
}
|
|
|
|
return mouse_control (ev->x, ev->window, scale);
|
|
}
|
|
|
|
gint
|
|
BarController::mouse_control (double x, GdkWindow* window, double scaling)
|
|
{
|
|
double fract = 0.0;
|
|
double delta;
|
|
|
|
if (window != grab_window) {
|
|
grab_x = x;
|
|
grab_window = window;
|
|
return TRUE;
|
|
}
|
|
|
|
delta = x - grab_x;
|
|
grab_x = x;
|
|
|
|
switch (_style) {
|
|
case Line:
|
|
case LeftToRight:
|
|
fract = scaling * (delta / (darea.get_width() - 2));
|
|
fract = min (1.0, fract);
|
|
fract = max (-1.0, fract);
|
|
adjustment.set_value (adjustment.get_value() + fract * (adjustment.get_upper() - adjustment.get_lower()));
|
|
break;
|
|
|
|
default:
|
|
fract = 0.0;
|
|
}
|
|
|
|
|
|
return TRUE;
|
|
}
|
|
|
|
bool
|
|
BarController::expose (GdkEventExpose* /*event*/)
|
|
{
|
|
Glib::RefPtr<Gdk::Window> win (darea.get_window());
|
|
Widget* parent;
|
|
gint x1=0, x2=0, y1=0, y2=0;
|
|
gint w, h;
|
|
double fract;
|
|
|
|
fract = ((adjustment.get_value() - adjustment.get_lower()) /
|
|
(adjustment.get_upper() - adjustment.get_lower()));
|
|
|
|
switch (_style) {
|
|
case Line:
|
|
w = darea.get_width() - 1;
|
|
h = darea.get_height();
|
|
x1 = (gint) floor (w * fract);
|
|
x2 = x1;
|
|
y1 = 0;
|
|
y2 = h - 1;
|
|
|
|
if (use_parent) {
|
|
parent = get_parent();
|
|
|
|
if (parent) {
|
|
win->draw_rectangle (parent->get_style()->get_fg_gc (parent->get_state()),
|
|
true,
|
|
0, 0, darea.get_width(), darea.get_height());
|
|
}
|
|
|
|
} else {
|
|
|
|
win->draw_rectangle (get_style()->get_bg_gc (get_state()),
|
|
true,
|
|
0, 0, darea.get_width() - ((darea.get_width()+1) % 2), darea.get_height());
|
|
}
|
|
|
|
win->draw_line (get_style()->get_fg_gc (get_state()), x1, 0, x1, h);
|
|
break;
|
|
|
|
case CenterOut:
|
|
break;
|
|
|
|
case LeftToRight:
|
|
|
|
w = darea.get_width() - 2;
|
|
h = darea.get_height() - 2;
|
|
|
|
x1 = 0;
|
|
x2 = (gint) floor (w * fract);
|
|
y1 = 0;
|
|
y2 = h - 1;
|
|
|
|
win->draw_rectangle (get_style()->get_bg_gc (get_state()),
|
|
false,
|
|
0, 0, darea.get_width() - 1, darea.get_height() - 1);
|
|
|
|
/* draw active box */
|
|
|
|
win->draw_rectangle (get_style()->get_fg_gc (get_state()),
|
|
true,
|
|
1 + x1,
|
|
1 + y1,
|
|
x2,
|
|
1 + y2);
|
|
|
|
/* draw inactive box */
|
|
|
|
win->draw_rectangle (get_style()->get_fg_gc (STATE_INSENSITIVE),
|
|
true,
|
|
1 + x2,
|
|
1 + y1,
|
|
w - x2,
|
|
1 + y2);
|
|
|
|
break;
|
|
|
|
case RightToLeft:
|
|
break;
|
|
case TopToBottom:
|
|
break;
|
|
case BottomToTop:
|
|
break;
|
|
}
|
|
|
|
/* draw label */
|
|
|
|
int xpos = -1;
|
|
std::string const label = get_label (xpos);
|
|
|
|
if (!label.empty()) {
|
|
|
|
layout->set_text (label);
|
|
|
|
int width, height;
|
|
layout->get_pixel_size (width, height);
|
|
|
|
if (xpos == -1) {
|
|
xpos = max (3, 1 + (x2 - (width/2)));
|
|
xpos = min (darea.get_width() - width - 3, xpos);
|
|
}
|
|
|
|
win->draw_layout (get_style()->get_text_gc (get_state()),
|
|
xpos,
|
|
(darea.get_height()/2) - (height/2),
|
|
layout);
|
|
}
|
|
|
|
return true;
|
|
}
|
|
|
|
void
|
|
BarController::set_style (Style s)
|
|
{
|
|
_style = s;
|
|
darea.queue_draw ();
|
|
}
|
|
|
|
gint
|
|
BarController::switch_to_bar ()
|
|
{
|
|
if (switching) {
|
|
return FALSE;
|
|
}
|
|
|
|
switching = true;
|
|
|
|
if (get_child() == &darea) {
|
|
return FALSE;
|
|
}
|
|
|
|
remove ();
|
|
add (darea);
|
|
darea.show ();
|
|
|
|
switching = false;
|
|
return FALSE;
|
|
}
|
|
|
|
gint
|
|
BarController::switch_to_spinner ()
|
|
{
|
|
if (switching) {
|
|
return FALSE;
|
|
}
|
|
|
|
switching = true;
|
|
|
|
if (get_child() == &spinner) {
|
|
return FALSE;
|
|
}
|
|
|
|
remove ();
|
|
add (spinner);
|
|
spinner.show ();
|
|
spinner.select_region (0, spinner.get_text_length());
|
|
spinner.grab_focus ();
|
|
|
|
switching = false;
|
|
return FALSE;
|
|
}
|
|
|
|
void
|
|
BarController::entry_activated ()
|
|
{
|
|
string text = spinner.get_text ();
|
|
float val;
|
|
|
|
if (sscanf (text.c_str(), "%f", &val) == 1) {
|
|
adjustment.set_value (val);
|
|
}
|
|
|
|
switch_to_bar ();
|
|
}
|
|
|
|
bool
|
|
BarController::entry_focus_out (GdkEventFocus* /*ev*/)
|
|
{
|
|
entry_activated ();
|
|
return true;
|
|
}
|
|
|
|
void
|
|
BarController::set_use_parent (bool yn)
|
|
{
|
|
use_parent = yn;
|
|
queue_draw ();
|
|
}
|
|
|
|
void
|
|
BarController::set_sensitive (bool yn)
|
|
{
|
|
Frame::set_sensitive (yn);
|
|
darea.set_sensitive (yn);
|
|
}
|
|
|
|
bool
|
|
BarController::entry_input (double* /*v*/)
|
|
{
|
|
return false;
|
|
}
|
|
|
|
bool
|
|
BarController::entry_output ()
|
|
{
|
|
return false;
|
|
}
|
|
|
|
|