Visual tweaks to Soundcloud panel

[ardour.git] / gtk2_ardour / utils.cc

diff --git a/gtk2_ardour/utils.cc b/gtk2_ardour/utils.cc
index 8b05eb7108a77cd56d13612058792e7685fe7304..a8b46f1f57853496f91d028ce831208b2e5961ae 100644 (file)
--- a/gtk2_ardour/utils.cc
+++ b/gtk2_ardour/utils.cc
@@ -28,10 +28,10 @@
 #include <clocale>
 #include <cstring>
 #include <cctype>
+#include <cmath>
 #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>
@@ -44,8 +44,8 @@
 
 #include <gtkmm2ext/utils.h>
 #include "ardour/rc_configuration.h"
-
 #include "ardour/filesystem_paths.h"
+#include "canvas/item.h"
 
 #include "ardour_ui.h"
 #include "debug.h"
@@ -54,7 +54,6 @@
 #include "utils.h"
 #include "i18n.h"
 #include "rgb_macros.h"
-#include "canvas_impl.h"
 #include "gui_thread.h"
 
 using namespace std;
@@ -65,6 +64,10 @@ using Gtkmm2ext::Keyboard;
 
 sigc::signal<void>  DPIReset;
 
+#ifdef PLATFORM_WINDOWS
+#define random() rand()
+#endif
+
 
 /** Add an element to a menu, settings its sensitivity.
  * @param m Menu to add to.
@@ -201,18 +204,6 @@ xpm2rgba (const char** xpm, uint32_t& w, uint32_t& h)
        return (savergb);
 }
 
-ArdourCanvas::Points*
-get_canvas_points (string /*who*/, uint32_t npoints)
-{
-       // cerr << who << ": wants " << npoints << " canvas points" << endl;
-#ifdef TRAP_EXCESSIVE_POINT_REQUESTS
-       if (npoints > (uint32_t) gdk_screen_width() + 4) {
-               abort ();
-       }
-#endif
-       return new ArdourCanvas::Points (npoints);
-}
-
 Pango::FontDescription
 get_font_for_style (string widgetname)
 {
@@ -348,12 +339,6 @@ rgba_p_from_style (string style, float *r, float *g, float *b, string attr, int
        return true;
 }
 
-bool
-canvas_item_visible (ArdourCanvas::Item* item)
-{
-       return (item->gobj()->object.flags & GNOME_CANVAS_ITEM_VISIBLE) ? true : false;
-}
-
 void
 set_color (Gdk::Color& c, int rgb)
 {
@@ -363,8 +348,14 @@ set_color (Gdk::Color& c, int rgb)
 bool
 relay_key_press (GdkEventKey* ev, Gtk::Window* win)
 {
+       PublicEditor& ed (PublicEditor::instance());
+
        if (!key_press_focus_accelerator_handler (*win, ev)) {
-               return PublicEditor::instance().on_key_press_event(ev);
+               if (&ed == 0) {
+                       /* early key press in pre-main-window-dialogs, no editor yet */
+                       return false;
+               }
+               return ed.on_key_press_event(ev);
        } else {
                return true;
        }
@@ -395,7 +386,7 @@ emulate_key_event (Gtk::Widget* w, unsigned int keyval)
        ev.state = 0;
        ev.keyval = keyval;
        ev.length = 0;
-       ev.string = (const gchar*) "";
+       ev.string = const_cast<gchar*> ("");
        ev.hardware_keycode = keymapkey[0].keycode;
        ev.group = keymapkey[0].group;
        g_free(keymapkey);
@@ -581,7 +572,7 @@ get_xpm (std::string name)
 {
        if (!xpm_map[name]) {
 
-               SearchPath spath(ARDOUR::ardour_data_search_path());
+               Searchpath spath(ARDOUR::ardour_data_search_path());
 
                spath.add_subdirectory_to_paths("pixmaps");
 
@@ -607,7 +598,7 @@ get_icon_path (const char* cname)
        string name = cname;
        name += X_(".png");
 
-       SearchPath spath(ARDOUR::ardour_data_search_path());
+       Searchpath spath(ARDOUR::ardour_data_search_path());
 
        spath.add_subdirectory_to_paths("icons");
 
@@ -754,7 +745,9 @@ set_pango_fontsize ()
 
        /* FT2 rendering - used by GnomeCanvas, sigh */
 
+#ifndef PLATFORM_WINDOWS
        pango_ft2_font_map_set_resolution ((PangoFT2FontMap*) pango_ft2_font_map_new(), val/1024, val/1024);
+#endif
 
        /* Cairo rendering, in case there is any */
 
@@ -822,15 +815,15 @@ unique_random_color (list<Gdk::Color>& used_colors)
 
        while (1) {
 
-               /* avoid neon/glowing tones by limiting them to the
-                  "inner section" (paler) of a color wheel/circle.
-               */
+               double h, s, v;
 
-               const int32_t max_saturation = 48000; // 65535 would open up the whole color wheel
+               h = fmod (random(), 360.0);
+               s = (random() % 65535) / 65535.0;
+               v = (random() % 65535) / 65535.0;
 
-               newcolor.set_red (random() % max_saturation);
-               newcolor.set_blue (random() % max_saturation);
-               newcolor.set_green (random() % max_saturation);
+               s = min (0.5, s); /* not too saturated */
+               v = max (0.9, v);  /* not too bright */
+               newcolor.set_hsv (h, s, v);
 
                if (used_colors.size() == 0) {
                        used_colors.push_back (newcolor);
@@ -846,6 +839,7 @@ unique_random_color (list<Gdk::Color>& used_colors)
                        gdelta = newcolor.get_green() - c.get_green();
 
                        if (sqrt (rdelta*rdelta + bdelta*bdelta + gdelta*gdelta) > 25.0) {
+                               /* different enough */
                                used_colors.push_back (newcolor);
                                return newcolor;
                        }
@@ -854,3 +848,15 @@ unique_random_color (list<Gdk::Color>& used_colors)
                /* XXX need throttle here to make sure we don't spin for ever */
        }
 }
+
+string 
+rate_as_string (float r)
+{
+       char buf[32];
+       if (fmod (r, 1000.0f)) {
+               snprintf (buf, sizeof (buf), "%.1f kHz", r/1000.0);
+       } else {
+               snprintf (buf, sizeof (buf), "%.0f kHz", r/1000.0);
+       }
+       return buf;
+}