-
- 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;
- 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, x2, y1, y2;
- gint w, h;
- double fract;
-
- w = darea.get_width() - 2;
- h = darea.get_height() - 2;
-
- fract = ((adjustment.get_value() - adjustment.get_lower()) /
- (adjustment.get_upper() - adjustment.get_lower()));
-
- switch (_style) {
- case Line:
- 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_height());
- }
-
- win->draw_line (get_style()->get_base_gc (get_state()), x1, 0, x1, darea.get_height());
- break;
-
- case CenterOut:
- break;
-
- case LeftToRight:
- 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;
- }
-
- if (with_text) {
- /* draw label */
-
- char buf[64];
- buf[0] = '\0';
-
- label_callback (buf, 64);
-
- if (buf[0] != '\0') {
-
- layout->set_text (buf);
-
- int width, height;
- layout->get_pixel_size (width, height);
-
- int xpos;
-
- 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_with_text (bool yn)
-{
- if (with_text != yn) {
- with_text = yn;
- queue_draw ();
- }