#include "ardour/rc_configuration.h" // for widget prelight preference
#include "ardour_dropdown.h"
-#include "ardour_ui.h"
-#include "global_signals.h"
-#include "i18n.h"
+#include "pbd/i18n.h"
#define REFLECTION_HEIGHT 2
using namespace Gtk;
using namespace Glib;
using namespace PBD;
-using std::max;
-using std::min;
using namespace std;
ArdourDropdown::ArdourDropdown (Element e)
+ : _scrolling_disabled(false)
{
- signal_button_press_event().connect (sigc::mem_fun(*this, &ArdourDropdown::on_mouse_pressed));
+// signal_button_press_event().connect (sigc::mem_fun(*this, &ArdourDropdown::on_mouse_pressed));
+ _menu.signal_size_request().connect (sigc::mem_fun(*this, &ArdourDropdown::menu_size_request));
+
+ _menu.set_reserve_toggle_size(false);
add_elements(e);
add_elements(ArdourButton::Menu);
{
}
+void
+ArdourDropdown::menu_size_request(Requisition *req) {
+ req->width = max(req->width, get_allocation().get_width());
+}
+
+void
+ArdourDropdown::position_menu(int& x, int& y, bool& push_in) {
+ using namespace Menu_Helpers;
+
+ /* TODO: lacks support for rotated dropdown buttons */
+
+ if (!has_screen () || !get_has_window ()) {
+ return;
+ }
+
+ Rectangle monitor;
+ {
+ const int monitor_num = get_screen ()->get_monitor_at_window (get_window ());
+ get_screen ()->get_monitor_geometry ((monitor_num < 0) ? 0 : monitor_num,
+ monitor);
+ }
+
+ const Requisition menu_req = _menu.size_request();
+ const Rectangle allocation = get_allocation();
+
+ /* The x and y position are handled separately.
+ *
+ * For the x position if the direction is LTR (or RTL), then we try in order:
+ * a) align the left (right) of the menu with the left (right) of the button
+ * if there's enough room until the right (left) border of the screen;
+ * b) align the right (left) of the menu with the right (left) of the button
+ * if there's enough room until the left (right) border of the screen;
+ * c) align the right (left) border of the menu with the right (left) border
+ * of the screen if there's enough space;
+ * d) align the left (right) border of the menu with the left (right) border
+ * of the screen, with the rightmost (leftmost) part of the menu that
+ * overflows the screen.
+ * XXX We always align left regardless of the direction because if x is
+ * left of the current monitor, the menu popup code after us notices it
+ * and enforces that the menu stays in the monitor that's at the left...*/
+
+ get_window ()->get_origin (x, y);
+
+ if (get_direction() == TEXT_DIR_RTL) {
+ if (monitor.get_x() <= x + allocation.get_width() - menu_req.width) {
+ /* a) align menu right and button right */
+ x += allocation.get_width() - menu_req.width;
+ } else if (x + menu_req.width <= monitor.get_x() + monitor.get_width()) {
+ /* b) align menu left and button left: nothing to do*/
+ } else if (menu_req.width > monitor.get_width()) {
+ /* c) align menu left and screen left, guaranteed to fit */
+ x = monitor.get_x();
+ } else {
+ /* d) XXX align left or the menu might change monitors */
+ x = monitor.get_x();
+ }
+ } else { /* LTR */
+ if (x + menu_req.width <= monitor.get_x() + monitor.get_width()) {
+ /* a) align menu left and button left: nothing to do*/
+ } else if (monitor.get_x() <= x + allocation.get_width() - menu_req.width) {
+ /* b) align menu right and button right */
+ x += allocation.get_width() - menu_req.width;
+ } else if (menu_req.width > monitor.get_width()) {
+ /* c) align menu right and screen right, guaranteed to fit */
+ x = monitor.get_x() + monitor.get_width() - menu_req.width;
+ } else {
+ /* d) align left */
+ x = monitor.get_x();
+ }
+ }
+
+ /* For the y position, try in order:
+ * a) if there is a menu item with the same text as the button, align it
+ * with the button, unless that makes the menu overflow the monitor.
+ * b) align the top of the menu with the bottom of the button if there is
+ * enough room below the button;
+ * c) align the bottom of the menu with the top of the button if there is
+ * enough room above the button;
+ * d) align the bottom of the menu with the bottom of the monitor if there
+ * is enough room, but avoid moving the menu to another monitor */
+
+ const MenuList& items = _menu.items ();
+ const std::string button_text = get_text();
+ int offset = 0;
+
+ MenuList::const_iterator i = items.begin();
+ for ( ; i != items.end(); ++i) {
+ if (button_text == ((std::string) i->get_label())) {
+ break;
+ }
+ offset += i->size_request().height;
+ }
+ if (i != items.end() &&
+ y - offset >= monitor.get_y() &&
+ y - offset + menu_req.height <= monitor.get_y() + monitor.get_height()) {
+ y -= offset;
+ } else if (y + allocation.get_height() + menu_req.height <= monitor.get_y() + monitor.get_height()) {
+ y += allocation.get_height(); /* a) */
+ } else if ((y - menu_req.height) >= monitor.get_y()) {
+ y -= menu_req.height; /* b) */
+ } else {
+ y = monitor.get_y() + max(0, monitor.get_height() - menu_req.height);
+ }
+
+ push_in = false;
+}
+
bool
-ArdourDropdown::on_mouse_pressed (GdkEventButton*)
+ArdourDropdown::on_button_press_event (GdkEventButton* ev)
{
- _menu.popup (1, gtk_get_current_event_time());
+ if (ev->type == GDK_BUTTON_PRESS) {
+ _menu.popup (sigc::mem_fun(this, &ArdourDropdown::position_menu),
+ 1, ev->time);
+ }
return true;
}
+bool
+ArdourDropdown::on_scroll_event (GdkEventScroll* ev)
+{
+ using namespace Menu_Helpers;
+
+ if (_scrolling_disabled) {
+ return false;
+ }
+
+ const MenuItem * current_active = _menu.get_active();
+ const MenuList& items = _menu.items ();
+ int c = 0;
+
+ if (!current_active) {
+ return true;
+ }
+
+ /* work around another gtkmm API clusterfuck
+ * const MenuItem* get_active () const
+ * void set_active (guint index)
+ *
+ * also MenuList.activate_item does not actually
+ * set it as active in the menu.
+ *
+ */
+
+ switch (ev->direction) {
+ case GDK_SCROLL_UP:
+
+ for (MenuList::const_reverse_iterator i = items.rbegin(); i != items.rend(); ++i, ++c) {
+ if ( &(*i) != current_active) {
+ continue;
+ }
+ if (++i != items.rend()) {
+ c = items.size() - 2 - c;
+ assert(c >= 0);
+ _menu.set_active(c);
+ _menu.activate_item(*i);
+ }
+ break;
+ }
+ break;
+ case GDK_SCROLL_DOWN:
+ for (MenuList::const_iterator i = items.begin(); i != items.end(); ++i, ++c) {
+ if ( &(*i) != current_active) {
+ continue;
+ }
+ if (++i != items.end()) {
+ assert(c + 1 < (int) items.size());
+ _menu.set_active(c + 1);
+ _menu.activate_item(*i);
+ }
+ break;
+ }
+ break;
+ default:
+ break;
+ }
+ return true;
+}
void
-ArdourDropdown::AddMenuElem (Menu_Helpers::MenuElem e)
+ArdourDropdown::clear_items ()
+{
+ _menu.items ().clear ();
+}
+
+void
+ArdourDropdown::AddMenuElem (Menu_Helpers::Element e)
{
using namespace Menu_Helpers;
MenuList& items = _menu.items ();
-
+
items.push_back (e);
}
-
+void
+ArdourDropdown::disable_scrolling()
+{
+ _scrolling_disabled = true;
+}
projects / ardour.git / blobdiff