2 Copyright (C) 2004 Paul Davis
3 This program is free software; you can redistribute it and/or modify
4 it under the terms of the GNU General Public License as published by
5 the Free Software Foundation; either version 2 of the License, or
6 (at your option) any later version.
8 This program is distributed in the hope that it will be useful,
9 but WITHOUT ANY WARRANTY; without even the implied warranty of
10 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
11 GNU General Public License for more details.
13 You should have received a copy of the GNU General Public License
14 along with this program; if not, write to the Free Software
15 Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
26 #include <pbd/controllable.h>
28 #include <gtkmm2ext/gtk_ui.h>
29 #include <gtkmm2ext/utils.h>
30 #include <gtkmm2ext/barcontroller.h>
36 using namespace Gtkmm2ext;
38 BarController::BarController (Gtk::Adjustment& adj,
39 PBD::Controllable& mc,
40 sigc::slot<void,char*,unsigned int> lc)
51 switch_on_release = false;
55 layout = darea.create_pango_layout("");
57 set_shadow_type (SHADOW_NONE);
59 initial_value = adjustment.get_value ();
61 adjustment.signal_value_changed().connect (mem_fun (*this, &Gtk::Widget::queue_draw));
62 adjustment.signal_changed().connect (mem_fun (*this, &Gtk::Widget::queue_draw));
64 darea.add_events (Gdk::BUTTON_RELEASE_MASK|
65 Gdk::BUTTON_PRESS_MASK|
66 Gdk::POINTER_MOTION_MASK|
67 Gdk::ENTER_NOTIFY_MASK|
68 Gdk::LEAVE_NOTIFY_MASK|
71 darea.signal_expose_event().connect (mem_fun (*this, &BarController::expose));
72 darea.signal_motion_notify_event().connect (mem_fun (*this, &BarController::motion));
73 darea.signal_button_press_event().connect (mem_fun (*this, &BarController::button_press));
74 darea.signal_button_release_event().connect (mem_fun (*this, &BarController::button_release));
75 darea.signal_scroll_event().connect (mem_fun (*this, &BarController::scroll));
77 spinner.signal_activate().connect (mem_fun (*this, &BarController::entry_activated));
78 spinner.signal_focus_out_event().connect (mem_fun (*this, &BarController::entry_focus_out));
79 spinner.set_digits (3);
86 BarController::button_press (GdkEventButton* ev)
88 if (binding_proxy.button_press_handler (ev)) {
94 if (ev->type == GDK_2BUTTON_PRESS) {
95 switch_on_release = true;
97 darea.remove_modal_grab();
99 switch_on_release = false;
100 darea.add_modal_grab();
103 grab_window = ev->window;
122 BarController::button_release (GdkEventButton* ev)
124 switch (ev->button) {
126 if (switch_on_release) {
127 Glib::signal_idle().connect (mem_fun (*this, &BarController::switch_to_spinner));
131 if ((ev->state & (GDK_SHIFT_MASK|GDK_CONTROL_MASK)) == GDK_SHIFT_MASK) {
132 adjustment.set_value (initial_value);
136 if (ev->state & (GDK_CONTROL_MASK|GDK_SHIFT_MASK) == (GDK_CONTROL_MASK|GDK_SHIFT_MASK)) {
138 } else if (ev->state & GDK_CONTROL_MASK) {
144 mouse_control (ev->x, ev->window, scale);
146 darea.remove_modal_grab();
153 if (true) { // XXX FIX ME
157 fract = ev->x / (darea.get_width() - 2.0);
158 adjustment.set_value (adjustment.get_lower() +
159 fract * (adjustment.get_upper() - adjustment.get_lower()));
174 BarController::scroll (GdkEventScroll* ev)
178 if (ev->state & (GDK_CONTROL_MASK|GDK_SHIFT_MASK) == (GDK_CONTROL_MASK|GDK_SHIFT_MASK)) {
180 } else if (ev->state & GDK_CONTROL_MASK) {
186 switch (ev->direction) {
188 case GDK_SCROLL_RIGHT:
189 adjustment.set_value (adjustment.get_value() + (scale * adjustment.get_step_increment()));
192 case GDK_SCROLL_DOWN:
193 case GDK_SCROLL_LEFT:
194 adjustment.set_value (adjustment.get_value() - (scale * adjustment.get_step_increment()));
202 BarController::motion (GdkEventMotion* ev)
210 if ((ev->state & (GDK_SHIFT_MASK|GDK_CONTROL_MASK)) == GDK_SHIFT_MASK) {
214 if (ev->state & (GDK_CONTROL_MASK|GDK_SHIFT_MASK) == (GDK_CONTROL_MASK|GDK_SHIFT_MASK)) {
216 } else if (ev->state & GDK_CONTROL_MASK) {
222 return mouse_control (ev->x, ev->window, scale);
226 BarController::mouse_control (double x, GdkWindow* window, double scaling)
231 if (window != grab_window) {
233 grab_window = window;
243 fract = scaling * (delta / (darea.get_width() - 2));
244 fract = min (1.0, fract);
245 fract = max (-1.0, fract);
246 adjustment.set_value (adjustment.get_value() + fract * (adjustment.get_upper() - adjustment.get_lower()));
258 BarController::expose (GdkEventExpose* event)
260 Glib::RefPtr<Gdk::Window> win (darea.get_window());
266 w = darea.get_width() - 2;
267 h = darea.get_height() - 2;
269 fract = ((adjustment.get_value() - adjustment.get_lower()) /
270 (adjustment.get_upper() - adjustment.get_lower()));
274 x1 = (gint) floor (w * fract);
280 parent = get_parent();
283 win->draw_rectangle (parent->get_style()->get_fg_gc (parent->get_state()),
285 0, 0, darea.get_width(), darea.get_height());
288 win->draw_rectangle (get_style()->get_bg_gc (get_state()),
290 0, 0, darea.get_width(), darea.get_height());
294 win->draw_rectangle (get_style()->get_fg_gc (get_state()),
295 true, x1, 1, 2, darea.get_height() - 2);
297 win->draw_rectangle (get_style()->get_fg_gc (get_state()),
298 true, x1 - 1, 1, 3, darea.get_height() - 2);
307 x2 = (gint) floor (w * fract);
311 win->draw_rectangle (get_style()->get_bg_gc (get_state()),
313 0, 0, darea.get_width() - 1, darea.get_height() - 1);
315 /* draw active box */
317 win->draw_rectangle (get_style()->get_fg_gc (get_state()),
324 /* draw inactive box */
326 win->draw_rectangle (get_style()->get_fg_gc (STATE_INSENSITIVE),
349 label_callback (buf, 64);
351 if (buf[0] != '\0') {
353 layout->set_text (buf);
356 layout->get_pixel_size (width, height);
360 xpos = max (3, 1 + (x2 - (width/2)));
361 xpos = min (darea.get_width() - width - 3, xpos);
363 win->draw_layout (get_style()->get_text_gc (get_state()),
365 (darea.get_height()/2) - (height/2),
374 BarController::set_with_text (bool yn)
376 if (with_text != yn) {
383 BarController::set_style (Style s)
390 BarController::switch_to_bar ()
398 if (get_child() == &darea) {
411 BarController::switch_to_spinner ()
419 if (get_child() == &spinner) {
426 spinner.select_region (0, spinner.get_text_length());
427 spinner.grab_focus ();
434 BarController::entry_activated ()
436 string text = spinner.get_text ();
439 if (sscanf (text.c_str(), "%f", &val) == 1) {
440 adjustment.set_value (val);
447 BarController::entry_focus_out (GdkEventFocus* ev)
454 BarController::set_use_parent (bool yn)