/*
- Copyright (C) 2003 Paul Davis
+ Copyright (C) 2003 Paul Davis
- This program is free software; you can redistribute it and/or modify
+ This program is free software; you an 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.
along with this program; if not, write to the Free Software
Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
- $Id$
*/
+#ifdef WAF_BUILD
+#include "gtk2ardour-config.h"
+#endif
+
+#include <pango/pangoft2.h> // for fontmap resolution control for GnomeCanvas
+#include <pango/pangocairo.h> // for fontmap resolution control for GnomeCanvas
+
#include <cstdlib>
+#include <clocale>
+#include <cstring>
#include <cctype>
+#include <fstream>
+#include <list>
+#include <sys/stat.h>
#include <libart_lgpl/art_misc.h>
+#include <gtkmm/rc.h>
#include <gtkmm/window.h>
#include <gtkmm/combo.h>
#include <gtkmm/label.h>
#include <gtkmm/paned.h>
#include <gtk/gtkpaned.h>
+#include <boost/algorithm/string.hpp>
+
+#include "pbd/file_utils.h"
#include <gtkmm2ext/utils.h>
+#include "ardour/rc_configuration.h"
+
+#include "ardour/filesystem_paths.h"
#include "ardour_ui.h"
+#include "debug.h"
+#include "public_editor.h"
#include "keyboard.h"
#include "utils.h"
#include "i18n.h"
#include "rgb_macros.h"
#include "canvas_impl.h"
+#include "gui_thread.h"
using namespace std;
using namespace Gtk;
-using namespace sigc;
-
-string
-short_version (string orig, string::size_type target_length)
-{
- /* this tries to create a recognizable abbreviation
- of "orig" by removing characters until we meet
- a certain target length.
+using namespace Glib;
+using namespace PBD;
+using Gtkmm2ext::Keyboard;
- note that we deliberately leave digits in the result
- without modification.
- */
-
-
- string::size_type pos;
-
- /* remove white-space and punctuation, starting at end */
+sigc::signal<void> DPIReset;
- while (orig.length() > target_length) {
- if ((pos = orig.find_last_of (_("\"\n\t ,<.>/?:;'[{}]~`!@#$%^&*()_-+="))) == string::npos) {
- break;
- }
- orig.replace (pos, 1, "");
- }
-
- /* remove lower-case vowels, starting at end */
-
- while (orig.length() > target_length) {
- if ((pos = orig.find_last_of (_("aeiou"))) == string::npos) {
- break;
- }
- orig.replace (pos, 1, "");
- }
-
- /* remove upper-case vowels, starting at end */
-
- while (orig.length() > target_length) {
- if ((pos = orig.find_last_of (_("AEIOU"))) == string::npos) {
- break;
- }
- orig.replace (pos, 1, "");
- }
-
- /* remove lower-case consonants, starting at end */
-
- while (orig.length() > target_length) {
- if ((pos = orig.find_last_of (_("bcdfghjklmnpqrtvwxyz"))) == string::npos) {
- break;
- }
- orig.replace (pos, 1, "");
- }
-
- /* remove upper-case consonants, starting at end */
-
- while (orig.length() > target_length) {
- if ((pos = orig.find_last_of (_("BCDFGHJKLMNPQRTVWXYZ"))) == string::npos) {
- break;
- }
- orig.replace (pos, 1, "");
- }
-
- /* whatever the length is now, use it */
-
- return orig;
-}
-
-string
-fit_to_pixels (ARDOUR::stringcr_t str, int pixel_width, ARDOUR::stringcr_t font)
-{
- Label foo;
- int width;
- int height;
- Pango::FontDescription fontdesc (font);
-
- int namelen = str.length();
- char cstr[namelen+1];
- strcpy (cstr, str.c_str());
-
- while (namelen) {
- Glib::RefPtr<Pango::Layout> layout = foo.create_pango_layout (cstr);
-
- layout->set_font_description (fontdesc);
- layout->get_pixel_size (width, height);
-
- if (width < (pixel_width)) {
- break;
- }
-
- --namelen;
- cstr[namelen] = '\0';
-
- }
-
- return cstr;
-}
-
-int
-atoi (const string& s)
-{
- return atoi (s.c_str());
-}
-
-double
-atof (const string& s)
-{
- return atof (s.c_str());
-}
+/** Add an element to a menu, settings its sensitivity.
+ * @param m Menu to add to.
+ * @param e Element to add.
+ * @param s true to make sensitive, false to make insensitive
+ */
void
-strip_whitespace_edges (string& str)
+add_item_with_sensitivity (Menu_Helpers::MenuList& m, Menu_Helpers::MenuElem e, bool s)
{
- string::size_type i;
- string::size_type len;
- string::size_type s;
-
- len = str.length();
-
- for (i = 0; i < len; ++i) {
- if (isgraph (str[i])) {
- break;
- }
- }
-
- s = i;
-
- for (i = len - 1; i >= 0; --i) {
- if (isgraph (str[i])) {
- break;
- }
+ m.push_back (e);
+ if (!s) {
+ m.back().set_sensitive (false);
}
-
- str = str.substr (s, (i - s) + 1);
}
-vector<string>
-internationalize (const char **array)
-{
- vector<string> v;
-
- for (uint32_t i = 0; array[i]; ++i) {
- v.push_back (_(array[i]));
- }
-
- return v;
-}
gint
-just_hide_it (GdkEventAny *ev, Gtk::Window *win)
+just_hide_it (GdkEventAny */*ev*/, Gtk::Window *win)
{
- win->hide_all ();
- return TRUE;
+ win->hide ();
+ return 0;
}
/* xpm2rgb copied from nixieclock, which bore the legend:
uint32_t t, x, y, colors, cpp;
unsigned char c;
unsigned char *savergb, *rgb;
-
+
// PARSE HEADER
-
+
if ( sscanf(xpm[0], "%u%u%u%u", &w, &h, &colors, &cpp) != 4 ) {
error << string_compose (_("bad XPM header %1"), xpm[0])
<< endmsg;
return 0;
}
- savergb = rgb = (unsigned char*)art_alloc (h * w * 3);
-
+ savergb = rgb = (unsigned char*) malloc (h * w * 3);
+
// LOAD XPM COLORMAP LONG ENOUGH TO DO CONVERSION
for (t = 0; t < colors; ++t) {
sscanf (xpm[t+1], "%c c #%lx", &c, &val);
vals[c] = val;
}
-
+
// COLORMAP -> RGB CONVERSION
// Get low 3 bytes from vals[]
//
return 0;
}
- savergb = rgb = (unsigned char*)art_alloc (h * w * 4);
-
+ savergb = rgb = (unsigned char*) malloc (h * w * 4);
+
// LOAD XPM COLORMAP LONG ENOUGH TO DO CONVERSION
if (strstr (xpm[1], "None")) {
sscanf (xpm[t+1], "%c c #%lx", &c, &val);
vals[c] = val;
}
-
+
// COLORMAP -> RGB CONVERSION
// Get low 3 bytes from vals[]
//
}
ArdourCanvas::Points*
-get_canvas_points (string who, uint32_t npoints)
+get_canvas_points (string /*who*/, uint32_t npoints)
{
// cerr << who << ": wants " << npoints << " canvas points" << endl;
#ifdef TRAP_EXCESSIVE_POINT_REQUESTS
return new ArdourCanvas::Points (npoints);
}
-int
-channel_combo_get_channel_count (Gtk::ComboBoxText& combo)
+Pango::FontDescription
+get_font_for_style (string widgetname)
{
- string str = combo.get_active_text();
- int chns;
-
- if (str == _("mono")) {
- return 1;
- } else if (str == _("stereo")) {
- return 2;
- } else if ((chns = atoi (str)) != 0) {
- return chns;
- } else {
- return 0;
+ Gtk::Window window (WINDOW_TOPLEVEL);
+ Gtk::Label foobar;
+ Glib::RefPtr<Gtk::Style> style;
+
+ window.add (foobar);
+ foobar.set_name (widgetname);
+ foobar.ensure_style();
+
+ style = foobar.get_style ();
+
+ Glib::RefPtr<const Pango::Layout> layout = foobar.get_layout();
+
+ PangoFontDescription *pfd = const_cast<PangoFontDescription *> (pango_layout_get_font_description(const_cast<PangoLayout *>(layout->gobj())));
+
+ if (!pfd) {
+
+ /* layout inherited its font description from a PangoContext */
+
+ PangoContext* ctxt = (PangoContext*) pango_layout_get_context (const_cast<PangoLayout*>(layout->gobj()));
+ pfd = pango_context_get_font_description (ctxt);
+ return Pango::FontDescription (pfd); /* make a copy */
}
+
+ return Pango::FontDescription (pfd); /* make a copy */
}
-static int32_t
-int_from_hex (char hic, char loc)
+uint32_t
+rgba_from_style (string style, uint32_t r, uint32_t g, uint32_t b, uint32_t a, string attr, int state, bool rgba)
{
- int hi; /* hi byte */
- int lo; /* low byte */
+ /* In GTK+2, styles aren't set up correctly if the widget is not
+ attached to a toplevel window that has a screen pointer.
+ */
- hi = (int) hic;
+ static Gtk::Window* window = 0;
- if( ('0'<=hi) && (hi<='9') ) {
- hi -= '0';
- } else if( ('a'<= hi) && (hi<= 'f') ) {
- hi -= ('a'-10);
- } else if( ('A'<=hi) && (hi<='F') ) {
- hi -= ('A'-10);
+ if (window == 0) {
+ window = new Window (WINDOW_TOPLEVEL);
}
-
- lo = (int) loc;
-
- if( ('0'<=lo) && (lo<='9') ) {
- lo -= '0';
- } else if( ('a'<=lo) && (lo<='f') ) {
- lo -= ('a'-10);
- } else if( ('A'<=lo) && (lo<='F') ) {
- lo -= ('A'-10);
+
+ Gtk::Label foo;
+
+ window->add (foo);
+
+ foo.set_name (style);
+ foo.ensure_style ();
+
+ GtkRcStyle* rc = foo.get_style()->gobj()->rc_style;
+
+ if (rc) {
+ if (attr == "fg") {
+ r = rc->fg[state].red / 257;
+ g = rc->fg[state].green / 257;
+ b = rc->fg[state].blue / 257;
+
+ /* what a hack ... "a" is for "active" */
+ if (state == Gtk::STATE_NORMAL && rgba) {
+ a = rc->fg[GTK_STATE_ACTIVE].red / 257;
+ }
+ } else if (attr == "bg") {
+ r = g = b = 0;
+ r = rc->bg[state].red / 257;
+ g = rc->bg[state].green / 257;
+ b = rc->bg[state].blue / 257;
+ } else if (attr == "base") {
+ r = rc->base[state].red / 257;
+ g = rc->base[state].green / 257;
+ b = rc->base[state].blue / 257;
+ } else if (attr == "text") {
+ r = rc->text[state].red / 257;
+ g = rc->text[state].green / 257;
+ b = rc->text[state].blue / 257;
+ }
+ } else {
+ warning << string_compose (_("missing RGBA style for \"%1\""), style) << endl;
+ }
+
+ window->remove ();
+
+ if (state == Gtk::STATE_NORMAL && rgba) {
+ return (uint32_t) RGBA_TO_UINT(r,g,b,a);
+ } else {
+ return (uint32_t) RGB_TO_UINT(r,g,b);
}
+}
- return lo + (16 * hi);
+bool
+canvas_item_visible (ArdourCanvas::Item* item)
+{
+ return (item->gobj()->object.flags & GNOME_CANVAS_ITEM_VISIBLE) ? true : false;
}
void
-url_decode (string& url)
+set_color (Gdk::Color& c, int rgb)
+{
+ c.set_rgb((rgb >> 16)*256, ((rgb & 0xff00) >> 8)*256, (rgb & 0xff)*256);
+}
+
+bool
+relay_key_press (GdkEventKey* ev, Gtk::Window* win)
+{
+ if (!key_press_focus_accelerator_handler (*win, ev)) {
+ return PublicEditor::instance().on_key_press_event(ev);
+ } else {
+ return true;
+ }
+}
+
+bool
+forward_key_press (GdkEventKey* ev)
{
- string::iterator last;
- string::iterator next;
+ return PublicEditor::instance().on_key_press_event(ev);
+}
- for (string::iterator i = url.begin(); i != url.end(); ++i) {
- if ((*i) == '+') {
- *i = ' ';
+bool
+key_press_focus_accelerator_handler (Gtk::Window& window, GdkEventKey* ev)
+{
+ GtkWindow* win = window.gobj();
+ GtkWidget* focus = gtk_window_get_focus (win);
+ bool special_handling_of_unmodified_accelerators = false;
+ bool allow_activating = true;
+ /* consider all relevant modifiers but not LOCK or SHIFT */
+ const guint mask = (Keyboard::RelevantModifierKeyMask & ~(Gdk::SHIFT_MASK|Gdk::LOCK_MASK));
+
+ if (focus) {
+ if (GTK_IS_ENTRY(focus) || Keyboard::some_magic_widget_has_focus()) {
+ special_handling_of_unmodified_accelerators = true;
}
}
- if (url.length() <= 3) {
- return;
+#ifdef GTKOSX
+ /* at one time this appeared to be necessary. As of July 2012, it does not
+ appear to be. if it ever is necessar, figure out if it should apply
+ to all platforms.
+ */
+#if 0
+ if (Keyboard::some_magic_widget_has_focus ()) {
+ allow_activating = false;
}
+#endif
+#endif
+
+
+ DEBUG_TRACE (DEBUG::Accelerators, string_compose ("Win = %1 focus = %7 Key event: code = %2 state = %3 special handling ? %4 magic widget focus ? %5 allow_activation ? %6\n",
+ win,
+ ev->keyval,
+ ev->state,
+ special_handling_of_unmodified_accelerators,
+ Keyboard::some_magic_widget_has_focus(),
+ allow_activating,
+ focus));
+
+ /* This exists to allow us to override the way GTK handles
+ key events. The normal sequence is:
+
+ a) event is delivered to a GtkWindow
+ b) accelerators/mnemonics are activated
+ c) if (b) didn't handle the event, propagate to
+ the focus widget and/or focus chain
+
+ The problem with this is that if the accelerators include
+ keys without modifiers, such as the space bar or the
+ letter "e", then pressing the key while typing into
+ a text entry widget results in the accelerator being
+ activated, instead of the desired letter appearing
+ in the text entry.
+
+ There is no good way of fixing this, but this
+ represents a compromise. The idea is that
+ key events involving modifiers (not Shift)
+ get routed into the activation pathway first, then
+ get propagated to the focus widget if necessary.
+
+ If the key event doesn't involve modifiers,
+ we deliver to the focus widget first, thus allowing
+ it to get "normal text" without interference
+ from acceleration.
+
+ Of course, this can also be problematic: if there
+ is a widget with focus, then it will swallow
+ all "normal text" accelerators.
+ */
+
+ if (!special_handling_of_unmodified_accelerators) {
+
+ /* XXX note that for a brief moment, the conditional above
+ * included "|| (ev->state & mask)" so as to enforce the
+ * implication of special_handling_of_UNMODIFIED_accelerators.
+ * however, this forces any key that GTK doesn't allow and that
+ * we have an alternative (see next comment) for to be
+ * automatically sent through the accel groups activation
+ * pathway, which prevents individual widgets & canvas items
+ * from ever seeing it if is used by a key binding.
+ *
+ * specifically, this hid Ctrl-down-arrow from MIDI region
+ * views because it is also bound to an action.
+ *
+ * until we have a robust, clean binding system, this
+ * quirk will have to remain in place.
+ */
+
+ /* pretend that certain key events that GTK does not allow
+ to be used as accelerators are actually something that
+ it does allow. but only where there are no modifiers.
+ */
+
+ uint32_t fakekey = ev->keyval;
- last = url.end();
+ if (Gtkmm2ext::possibly_translate_keyval_to_make_legal_accelerator (fakekey)) {
+ DEBUG_TRACE (DEBUG::Accelerators, string_compose ("\tactivate (was %1 now %2) without special hanlding of unmodified accels\n",
+ ev->keyval, fakekey));
- --last; /* points at last char */
- --last; /* points at last char - 1 */
+ GdkModifierType mod = GdkModifierType (ev->state);
- for (string::iterator i = url.begin(); i != last; ) {
+ mod = GdkModifierType (mod & gtk_accelerator_get_default_mod_mask());
+#ifdef GTKOSX
+ /* GTK on OS X is currently (February 2012) setting both
+ the Meta and Mod2 bits in the event modifier state if
+ the Command key is down.
- if (*i == '%') {
+ gtk_accel_groups_activate() does not invoke any of the logic
+ that gtk_window_activate_key() will that sorts out that stupid
+ state of affairs, and as a result it fails to find a match
+ for the key event and the current set of accelerators.
- next = i;
+ to fix this, if the meta bit is set, remove the mod2 bit
+ from the modifier. this assumes that our bindings use Primary
+ which will have set the meta bit in the accelerator entry.
+ */
+ if (mod & GDK_META_MASK) {
+ mod = GdkModifierType (mod & ~GDK_MOD2_MASK);
+ }
+#endif
- url.erase (i);
-
- i = next;
- ++next;
-
- if (isxdigit (*i) && isxdigit (*next)) {
- /* replace first digit with char */
- *i = int_from_hex (*i,*next);
- ++i; /* points at 2nd of 2 digits */
- url.erase (i);
+ if (allow_activating && gtk_accel_groups_activate(G_OBJECT(win), fakekey, mod)) {
+ DEBUG_TRACE (DEBUG::Accelerators, "\taccel group activated by fakekey\n");
+ return true;
+ }
+ }
+ }
+
+ if (!special_handling_of_unmodified_accelerators || (ev->state & mask)) {
+
+ /* no special handling or there are modifiers in effect: accelerate first */
+
+ DEBUG_TRACE (DEBUG::Accelerators, "\tactivate, then propagate\n");
+
+ if (allow_activating) {
+ DEBUG_TRACE (DEBUG::Accelerators, "\tsending to window\n");
+ if (gtk_window_activate_key (win, ev)) {
+ DEBUG_TRACE (DEBUG::Accelerators, "\t\thandled\n");
+ return true;
}
} else {
- ++i;
+ DEBUG_TRACE (DEBUG::Accelerators, "\tactivation skipped\n");
}
+
+ DEBUG_TRACE (DEBUG::Accelerators, "\tnot accelerated, now propagate\n");
+
+ return gtk_window_propagate_key_event (win, ev);
}
+
+ /* no modifiers, propagate first */
+
+ DEBUG_TRACE (DEBUG::Accelerators, "\tpropagate, then activate\n");
+
+ if (!gtk_window_propagate_key_event (win, ev)) {
+ DEBUG_TRACE (DEBUG::Accelerators, "\tpropagation didn't handle, so activate\n");
+ if (allow_activating) {
+ return gtk_window_activate_key (win, ev);
+ } else {
+ DEBUG_TRACE (DEBUG::Accelerators, "\tactivation skipped\n");
+ }
+
+ } else {
+ DEBUG_TRACE (DEBUG::Accelerators, "\thandled by propagate\n");
+ return true;
+ }
+
+ DEBUG_TRACE (DEBUG::Accelerators, "\tnot handled\n");
+ return true;
}
-Pango::FontDescription
-get_font_for_style (string widgetname)
+Glib::RefPtr<Gdk::Pixbuf>
+get_xpm (std::string name)
{
- Gtk::Window window (WINDOW_TOPLEVEL);
- Gtk::Label foobar;
- Glib::RefPtr<Style> style;
+ if (!xpm_map[name]) {
- window.add (foobar);
- foobar.set_name (widgetname);
- foobar.ensure_style();
+ SearchPath spath(ARDOUR::ardour_data_search_path());
- style = foobar.get_style ();
- return style->get_font();
+ spath.add_subdirectory_to_paths("pixmaps");
+
+ std::string data_file_path;
+
+ if(!find_file_in_search_path (spath, name, data_file_path)) {
+ fatal << string_compose (_("cannot find XPM file for %1"), name) << endmsg;
+ }
+
+ try {
+ xpm_map[name] = Gdk::Pixbuf::create_from_file (data_file_path);
+ } catch(const Glib::Error& e) {
+ warning << "Caught Glib::Error: " << e.what() << endmsg;
+ }
+ }
+
+ return xpm_map[name];
}
-gint
-pane_handler (GdkEventButton* ev, Gtk::Paned* pane)
+std::string
+get_icon_path (const char* cname)
{
- if (ev->window != Gtkmm2ext::get_paned_handle (*pane)) {
- return FALSE;
+ string name = cname;
+ name += X_(".png");
+
+ SearchPath spath(ARDOUR::ardour_data_search_path());
+
+ spath.add_subdirectory_to_paths("icons");
+
+ std::string data_file_path;
+
+ if (!find_file_in_search_path (spath, name, data_file_path)) {
+ fatal << string_compose (_("cannot find icon image for %1 using %2"), name, spath.to_string()) << endmsg;
}
- if (Keyboard::is_delete_event (ev)) {
+ return data_file_path;
+}
- gint pos;
- gint cmp;
-
- pos = pane->get_position ();
+Glib::RefPtr<Gdk::Pixbuf>
+get_icon (const char* cname)
+{
+ Glib::RefPtr<Gdk::Pixbuf> img;
+ try {
+ img = Gdk::Pixbuf::create_from_file (get_icon_path (cname));
+ } catch (const Gdk::PixbufError &e) {
+ cerr << "Caught PixbufError: " << e.what() << endl;
+ } catch (...) {
+ error << string_compose (_("Caught exception while loading icon named %1"), cname) << endmsg;
+ }
- if (dynamic_cast<VPaned*>(pane)) {
- cmp = pane->get_height();
- } else {
- cmp = pane->get_width();
- }
+ return img;
+}
- /* we have to use approximations here because we can't predict the
- exact position or sizes of the pane (themes, etc)
- */
+string
+longest (vector<string>& strings)
+{
+ if (strings.empty()) {
+ return string ("");
+ }
- if (pos < 10 || abs (pos - cmp) < 10) {
+ vector<string>::iterator longest = strings.begin();
+ string::size_type longest_length = (*longest).length();
- /* already collapsed: restore it (note that this is cast from a pointer value to int, which is tricky on 64bit */
-
- pane->set_position ((gint64) pane->get_data ("rpos"));
+ vector<string>::iterator i = longest;
+ ++i;
- } else {
+ while (i != strings.end()) {
- int collapse_direction;
+ string::size_type len = (*i).length();
- /* store the current position */
+ if (len > longest_length) {
+ longest = i;
+ longest_length = len;
+ }
- pane->set_data ("rpos", (gpointer) pos);
+ ++i;
+ }
- /* collapse to show the relevant child in full */
-
- collapse_direction = (gint64) pane->get_data ("collapse-direction");
+ return *longest;
+}
- if (collapse_direction) {
- pane->set_position (1);
+bool
+key_is_legal_for_numeric_entry (guint keyval)
+{
+ /* we assume that this does not change over the life of the process
+ */
+
+ static int comma_decimal = -1;
+
+ switch (keyval) {
+ case GDK_period:
+ case GDK_comma:
+ if (comma_decimal < 0) {
+ std::lconv* lc = std::localeconv();
+ if (strchr (lc->decimal_point, ',') != 0) {
+ comma_decimal = 1;
} else {
- if (dynamic_cast<VPaned*>(pane)) {
- pane->set_position (pane->get_height());
- } else {
- pane->set_position (pane->get_width());
- }
+ comma_decimal = 0;
}
}
+ break;
+ default:
+ break;
+ }
- return TRUE;
- }
+ switch (keyval) {
+ case GDK_decimalpoint:
+ case GDK_KP_Separator:
+ return true;
+
+ case GDK_period:
+ if (comma_decimal) {
+ return false;
+ } else {
+ return true;
+ }
+ break;
+ case GDK_comma:
+ if (comma_decimal) {
+ return true;
+ } else {
+ return false;
+ }
+ break;
+ case GDK_minus:
+ case GDK_plus:
+ case GDK_0:
+ case GDK_1:
+ case GDK_2:
+ case GDK_3:
+ case GDK_4:
+ case GDK_5:
+ case GDK_6:
+ case GDK_7:
+ case GDK_8:
+ case GDK_9:
+ case GDK_KP_Add:
+ case GDK_KP_Subtract:
+ case GDK_KP_Decimal:
+ case GDK_KP_0:
+ case GDK_KP_1:
+ case GDK_KP_2:
+ case GDK_KP_3:
+ case GDK_KP_4:
+ case GDK_KP_5:
+ case GDK_KP_6:
+ case GDK_KP_7:
+ case GDK_KP_8:
+ case GDK_KP_9:
+ case GDK_Return:
+ case GDK_BackSpace:
+ case GDK_Delete:
+ case GDK_KP_Enter:
+ case GDK_Home:
+ case GDK_End:
+ case GDK_Left:
+ case GDK_Right:
+ return true;
+
+ default:
+ break;
+ }
- return FALSE;
+ return false;
}
-uint32_t
-rgba_from_style (string style, uint32_t r, uint32_t g, uint32_t b, uint32_t a)
+void
+set_pango_fontsize ()
{
- /* In GTK+2, styles aren't set up correctly if the widget is not
- attached to a toplevel window that has a screen pointer.
- */
+ long val = ARDOUR::Config->get_font_scale();
- static Gtk::Window* window = 0;
+ /* FT2 rendering - used by GnomeCanvas, sigh */
- if (window == 0) {
- window = new Window (WINDOW_TOPLEVEL);
- }
+ pango_ft2_font_map_set_resolution ((PangoFT2FontMap*) pango_ft2_font_map_for_display(), val/1024, val/1024);
- Gtk::Label foo;
-
- window->add (foo);
+ /* Cairo rendering, in case there is any */
- foo.set_name (style);
- foo.ensure_style ();
-
- GtkRcStyle* waverc = foo.get_style()->gobj()->rc_style;
+ pango_cairo_font_map_set_resolution ((PangoCairoFontMap*) pango_cairo_font_map_get_default(), val/1024);
+}
- if (waverc) {
- r = waverc->fg[Gtk::STATE_NORMAL].red / 257;
- g = waverc->fg[Gtk::STATE_NORMAL].green / 257;
- b = waverc->fg[Gtk::STATE_NORMAL].blue / 257;
+void
+reset_dpi ()
+{
+ long val = ARDOUR::Config->get_font_scale();
+ set_pango_fontsize ();
+ /* Xft rendering */
- /* what a hack ... "a" is for "active" */
+ gtk_settings_set_long_property (gtk_settings_get_default(),
+ "gtk-xft-dpi", val, "ardour");
+ DPIReset();//Emit Signal
+}
- a = waverc->fg[GTK_STATE_ACTIVE].red / 257;
+void
+resize_window_to_proportion_of_monitor (Gtk::Window* window, int max_width, int max_height)
+{
+ Glib::RefPtr<Gdk::Screen> screen = window->get_screen ();
+ Gdk::Rectangle monitor_rect;
+ screen->get_monitor_geometry (0, monitor_rect);
- } else {
- warning << string_compose (_("missing RGBA style for \"%1\""), style) << endl;
+ int const w = std::min (int (monitor_rect.get_width() * 0.8), max_width);
+ int const h = std::min (int (monitor_rect.get_height() * 0.8), max_height);
+
+ window->resize (w, h);
+}
+
+
+/** Replace _ with __ in a string; for use with menu item text to make underscores displayed correctly */
+string
+escape_underscores (string const & s)
+{
+ string o;
+ string::size_type const N = s.length ();
+
+ for (string::size_type i = 0; i < N; ++i) {
+ if (s[i] == '_') {
+ o += "__";
+ } else {
+ o += s[i];
+ }
}
- window->remove ();
-
- return (uint32_t) RGBA_TO_UINT(r,g,b,a);
+ return o;
}
-bool
-canvas_item_visible (ArdourCanvas::Item* item)
+/** Replace < and > with < and > respectively to make < > display correctly in markup strings */
+string
+escape_angled_brackets (string const & s)
{
- return (item->gobj()->object.flags & GNOME_CANVAS_ITEM_VISIBLE) ? true : false;
+ string o = s;
+ boost::replace_all (o, "<", "<");
+ boost::replace_all (o, ">", ">");
+ return o;
+}
+
+Gdk::Color
+unique_random_color (list<Gdk::Color>& used_colors)
+{
+ Gdk::Color newcolor;
+
+ while (1) {
+
+ /* avoid neon/glowing tones by limiting them to the
+ "inner section" (paler) of a color wheel/circle.
+ */
+
+ const int32_t max_saturation = 48000; // 65535 would open up the whole color wheel
+
+ newcolor.set_red (random() % max_saturation);
+ newcolor.set_blue (random() % max_saturation);
+ newcolor.set_green (random() % max_saturation);
+
+ if (used_colors.size() == 0) {
+ used_colors.push_back (newcolor);
+ return newcolor;
+ }
+
+ for (list<Gdk::Color>::iterator i = used_colors.begin(); i != used_colors.end(); ++i) {
+ Gdk::Color c = *i;
+ float rdelta, bdelta, gdelta;
+
+ rdelta = newcolor.get_red() - c.get_red();
+ bdelta = newcolor.get_blue() - c.get_blue();
+ gdelta = newcolor.get_green() - c.get_green();
+
+ if (sqrt (rdelta*rdelta + bdelta*bdelta + gdelta*gdelta) > 25.0) {
+ used_colors.push_back (newcolor);
+ return newcolor;
+ }
+ }
+
+ /* XXX need throttle here to make sure we don't spin for ever */
+ }
}